CN114378391A

CN114378391A - Printed circuit board assembling equipment and method thereof

Info

Publication number: CN114378391A
Application number: CN202210010458.XA
Authority: CN
Inventors: 史周建
Original assignee: Individual
Current assignee: Shenzhen Yuya Technology Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-04-22
Anticipated expiration: 2042-01-06
Also published as: CN114378391B

Abstract

The invention relates to the field of circuit board production and assembly, in particular to a printed circuit board assembly device and a method thereof, wherein the printed circuit board assembly device comprises a circulating conveying device, a PCB feeding mechanical arm, a shaping device, an FPC feeding mechanical arm, a hot pressing device, a finished product pushing device, a finished product mechanical arm and a discharging device; one side of the PCB feeding device is provided with a PCB feeding manipulator, and the PCB feeding manipulator grabs a PCB in the PCB feeding device and vertically feeds the PCB into the circulating conveying device; the shaping device shapes the top of the PCB; one side of the FPC feeding device is provided with an FPC feeding mechanical arm, and the FPC feeding mechanical arm grabs the FPC in the FPC feeding device and feeds the FPC to the top of the PCB; the hot pressing device fixes the FPC on the top of the PCB in a hot pressing mode; the finished product pushing device pushes the finished product upwards from the circulating conveying device, and the finished product manipulator grabs the pushed finished product and places the pushed finished product into the discharging device. This patent realizes PCB board and FPC's automatic assembly, improves production efficiency.

Description

Printed circuit board assembling equipment and method thereof

Technical Field

The invention relates to the field of circuit board production and assembly, in particular to a printed circuit board assembly device and a method thereof.

Background

Pcb (printed circuit board), one of the important components in the electronics industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the various components. The printed circuit board consists of an insulating base plate, connecting leads and a welding disc for assembling and welding electronic elements, and has double functions of a conducting circuit and the insulating base plate. The circuit can replace complex wiring to realize electrical connection among elements in the circuit, thereby simplifying the assembly and welding work of electronic products, reducing the wiring workload in the traditional mode and greatly lightening the labor intensity of workers; and the volume of the whole machine is reduced, the product cost is reduced, and the quality and the reliability of the electronic equipment are improved. The printed circuit board has good product consistency, can adopt a standardized design, and is beneficial to realizing mechanization and automation in the production process. Meanwhile, the whole printed circuit board after assembly and debugging can be used as an independent spare part, so that the exchange and maintenance of the whole machine product are facilitated. Printed wiring boards are now used in a very wide range of applications in the manufacture of electronic products. The FPC (Flexible Printed Circuit, abbreviated as FPC) is a Flexible Printed Circuit board which is made of polyimide or polyester film as a base material and has high reliability and excellent performance. The high-density light-weight LED lamp has the characteristics of high wiring density, light weight, thin thickness and good bending property.

At present, a low-cost scheme is adopted for connecting a PCB and an FPC, namely, a layer of solder paste is pre-coated on a PCB or FPC bonding pad, the solder paste is heated and solidified on the PCB or FPC bonding pad through a reflow oven, during pressure welding, the PCB and the FPC bonding pad are aligned and placed into a hot press, a hot press pressure head applies pressure to the FPC bonding pad position and heats the FPC bonding pad position to about 300 ℃, and the hot pressing process is completed within about 5 seconds. Chinese utility model patent (publication No. CN205566825U, published Japanese 20160907) discloses a FPC hot pressing head and FPC hot pressing device with the same. The FPC hot pressing head comprises a hot pressing head body, the hot pressing head body comprises a main body portion, step portions are arranged on two sides of the main body portion, the main body portion is provided with a hot pressing surface, and the step portions are opposite to the hot pressing surface of the main body portion.

However, the above method has the following problems:

the PCB is long in length, and the FPC needs to be installed at the end of the PCB and hot-pressed, so that assembly difficulty is high.

The PCB is in a long strip shape, and the FPC board needs to be assembled at the end part, so that the PCB is not easy to fix.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a printed circuit board assembly apparatus and method thereof, which facilitates assembly between a PCB and an FPC, ensures product consistency, and improves production efficiency.

For the purpose of the invention, the following technical scheme is adopted for implementation:

a printed circuit board assembly device comprises a rack, a circulating conveying device, a PCB feeding mechanical arm, a shaping device, an FPC feeding mechanical arm, a hot pressing device, a finished product push-out device, a finished product mechanical arm and a discharging device, wherein the circulating conveying device, the PCB feeding mechanical arm, the shaping device, the FPC feeding mechanical arm, the hot pressing device, the finished product push-out device, the finished product mechanical arm and the discharging device are mounted on the rack; the circular conveying device is sequentially provided with a PCB loading station, a shaping station, an FPC loading station, a hot pressing station and a discharging station which are encircled into a ring shape; the PCB feeding device is arranged on the circulating conveying device, the position of the PCB feeding device corresponds to a PCB feeding station, one side of the PCB feeding device is provided with a PCB feeding manipulator, the PCB feeding manipulator grabs a PCB in the PCB feeding device and vertically feeds the PCB into the circulating conveying device, and the head end of the PCB is upward; the shaping device corresponds to the shaping station in position and shapes the positioning top of the PCB; the position of the FPC feeding device corresponds to the FPC feeding station, one side of the FPC feeding device is provided with an FPC feeding mechanical arm, and the FPC feeding mechanical arm grabs the FPC in the FPC feeding device and feeds the FPC to the top of a PCB; the position of the hot pressing device corresponds to the hot pressing station, and the hot pressing device fixes the FPC on the top of the PCB in a hot pressing mode; the position of the finished product pushing device corresponds to the discharging station, the finished product pushing device pushes the finished product upwards from the circulating conveying device, a finished product manipulator and a discharging device are arranged on one side of the finished product pushing device, and the finished product manipulator grabs the pushed finished product and places the grabbed finished product into the discharging device.

Preferably, the circulating conveying device comprises a base, a first belt assembly, a carrier track and a carrier locking assembly; the upper part of the base is provided with a first belt assembly and an annular carrier track, the first belt assembly comprises a first belt, and a plurality of carriers are arranged on the first belt at intervals; the bottom of the carrier is arranged on the carrier track in a sliding manner; a carrier locking assembly is arranged on the side surface of the base, the position of the carrier locking assembly corresponds to each station, and the carrier locking assembly is used for fixing the carrier when each station works;

the carrier comprises a carrier body, a carrier bottom plate, pulleys, an outer side positioning column, an inner side connecting seat, an inner side connecting rod and a belt connecting seat; the outer side of the carrier main body extends out of the base, and is provided with a limiting clamping groove which penetrates up and down, a step surface is arranged in the limiting clamping groove, and the step surface is used for supporting the upper part of the PCB; the cross section of the limiting clamping groove is matched with the cross section of the PCB; the bottom of the carrier main body is provided with a carrier bottom plate, the inner side and the outer side of the bottom of the carrier bottom plate are both provided with pulleys along the transverse direction, and the pulleys are arranged on two sides of the carrier track in a sliding manner; the outer side of the carrier base plate is also provided with an outer side positioning column which is used for matching with the carrier locking assembly so as to lock the carrier main body; the inner side of the carrier base plate is also provided with an inner side connecting seat, the inner side connecting seat is provided with an inner side connecting rod and is rotationally connected with a belt connecting seat through the inner side connecting rod, and the belt connecting seat is fixedly arranged on the side surface of the first belt; the belt connecting seat is provided with a chute for the inner and outer movement of the inner connecting rod;

the carrier locking assembly comprises a carrier locking cylinder and a locking block; the carrier locking cylinder is vertically arranged on the side face of the base, the output end of the carrier locking cylinder is provided with a locking block, the upper end of the locking block is provided with a locking groove with an upward opening, and the position and the shape of the locking groove correspond to those of the outer side positioning column.

Preferably, the PCB feeding device comprises a PCB feeding track, a second belt assembly, a roller mounting frame, a roller, a PCB storage assembly and a storage assembly positioning assembly; the PCB feeding track is arranged along the transverse direction, and a baffle is arranged at the front end of the PCB feeding track; a second belt assembly is arranged at the lower part of the PCB feeding track and comprises two second belts positioned at two sides of the PCB feeding track, a roller mounting frame is arranged above each second belt, and a plurality of transversely-rotating rollers are arranged on the roller mounting frame at intervals; the bottom of the PCB board storage component is arranged on the second belt, and the PCB board storage component is positioned between the rollers on the two sides; the storage component positioning component is positioned below the front end of the PCB feeding track;

the PCB storage component comprises a storage bottom plate, a middle storage limiting plate and a storage connecting column; a plurality of first PCB storage tanks with upward openings are arranged on the storage bottom plate, and the bottoms of the first PCB storage tanks are closed; a middle storage limiting plate is arranged above the storage bottom plate through a storage connecting column, a second PCB storage groove corresponding to the first PCB storage groove is arranged on the middle storage limiting plate, and the second PCB storage groove penetrates through the upper part and the lower part; the bottom of the material storage bottom plate is provided with a conical positioning pin;

the storage component positioning assembly comprises a positioning support, a positioning cylinder, a positioning lifting plate and a positioning column; the positioning support is fixedly arranged on the rack, a vertical positioning cylinder is arranged on the lower portion of the positioning support, a positioning lifting plate is arranged at the output end of the positioning cylinder, positioning columns with the number and the positions corresponding to the conical positioning pins are fixedly arranged on the top of the positioning lifting plate, and the top of each positioning column is conical.

Preferably, the PCB loading manipulator comprises a PCB transverse moving assembly, a PCB longitudinal moving assembly and a PCB clamping jaw assembly; the PCB transverse moving assembly is arranged along the transverse direction, the PCB longitudinal moving assembly is arranged at the output end of the PCB transverse moving assembly, and the PCB transverse moving assembly controls the PCB longitudinal moving assembly to move back and forth between the circulating conveying device and the PCB feeding device; the PCB longitudinal moving assembly is longitudinally arranged, the output end of the PCB longitudinal moving assembly is provided with a PCB clamping jaw assembly, and the PCB longitudinal moving assembly controls the PCB clamping jaw assembly to longitudinally move; the PCB clamping jaw assembly comprises a clamping jaw fixing plate, a clamping jaw air cylinder and a PCB clamping jaw; the clamping jaw fixing plate is arranged at the output end of the PCB longitudinal moving assembly, one side of the clamping jaw fixing plate is provided with a vertical clamping jaw cylinder, the output end of the clamping jaw cylinder is provided with a pair of PCB clamping jaws, and the inner side of each PCB clamping jaw is provided with a PCB clamping groove matched with the middle section of the PCB;

the end part of the PCB clamping jaw is provided with a pull rod extending outwards, and a return spring is arranged between the two pull rods on the same side, so that the pair of PCB clamping jaws are in a normally closed state.

Preferably, the FPC feeding device comprises an FPC feeding frame, a full-disc storage clamping assembly, a full-disc lifting material taking assembly, a full-disc transverse moving assembly, a middle lifting material receiving assembly, an empty-disc lifting material receiving assembly and an empty-disc storage assembly; a full-disc material storage station, a middle-part material loading station and an empty-disc material storage station are sequentially arranged on the FPC material loading frame; the full-disc material storage clamping assembly and the full-disc lifting material taking assembly are positioned in a full-disc material storage station; the full-reel storage clamping assembly is arranged at the upper part of the FPC feeding frame and used for clamping full reels from two sides; the full-tray lifting material taking assembly is arranged at the lower part of the FPC feeding frame and used for taking out full trays in the full-tray material storing and clamping assembly one by one from the lower part; the full-disc transverse moving assembly is transversely arranged among the full-disc storage station, the middle feeding station and the empty-disc storage station in a penetrating mode, and is used for conveying full discs in the full-disc storage station to the middle feeding station and conveying empty discs in the middle feeding station to the empty-disc storage station; the middle lifting material receiving assembly is positioned in the middle feeding station, the middle lifting material receiving assembly is arranged at the lower part of the FPC feeding frame, and the middle lifting material receiving assembly is used for receiving full discs from a full disc storage station; the empty tray lifting material receiving assembly and the empty tray material storing assembly are positioned in an empty tray material storing station; the empty tray lifting material receiving assembly is arranged at the lower part of the FPC feeding frame and used for receiving an empty tray from a middle feeding station; empty dish storage component sets up the upper portion at FPC material loading frame, and empty dish storage component is arranged in receiving empty dish lift and connects the empty dish in the material subassembly and from piling up down.

Preferably, the full-disc storage clamping assembly comprises a full-disc storage clamping cylinder and a full-disc supporting plate; the full-disc storage clamping cylinder is transversely arranged at the upper part of the FPC feeding frame, the output end of the full-disc storage clamping cylinder is provided with a full-disc supporting plate, the bottom of the full-disc supporting plate is provided with a full-disc supporting part which extends out along the transverse direction, the full-disc supporting part faces the inner side of the FPC feeding frame, and the upper end surface of the full-disc supporting part is provided with a full-disc supporting limiting groove for positioning an FPC feeding disc;

the full-plate lifting material taking assembly comprises a full-plate lifting cylinder, a full-plate lifting plate and a full-plate positioning column; the full-plate lifting cylinder is vertically arranged, the output end of the full-plate lifting cylinder is provided with a full-plate lifting plate, the full-plate lifting plate is provided with a full-plate positioning column which protrudes upwards, and the position of the full-plate positioning column corresponds to a material plate hole at the bottom of the FPC material plate;

the full-plate transverse moving assembly comprises a full-plate transverse moving cylinder, a full-plate transverse moving sliding plate, a full-plate transverse moving sliding seat, a synchronizing wheel, an adapter plate, a connecting shaft and a transverse moving positioning column; the full-disc transverse moving cylinder is transversely arranged at the upper part of the FPC feeding frame, two transverse full-disc transverse moving sliding seats are arranged at the lower part of the FPC feeding frame, a full-disc transverse moving sliding plate is arranged at the top of each full-disc transverse moving sliding seat in a sliding mode, and the output end of each full-disc transverse moving cylinder is connected with one full-disc transverse moving sliding plate; the side surfaces of the two full-disc transverse moving sliding seats are provided with synchronous wheels, the synchronous wheels on the same side are connected through synchronous belts, the synchronous belts are connected with the full-disc transverse moving sliding plates through adapter plates, and the synchronous wheels on the two sides are connected through connecting shafts, so that the full-disc transverse moving air cylinder can simultaneously push the two full-disc transverse moving sliding plates to slide; the upper end surface of the full-plate transverse moving sliding plate is provided with a transverse moving positioning column protruding upwards;

the middle lifting material receiving assembly comprises a middle lifting cylinder, a middle lifting plate, a middle lifting rod and a middle positioning column; the middle lifting cylinder is vertically arranged at the lower part of the FPC feeding frame, the output end of the middle lifting cylinder is provided with a middle lifting plate, the middle lifting plate is connected with two middle lifting rods along the transverse direction, and the full-tray lifting material taking assembly and the empty-tray lifting material receiving assembly are respectively arranged at two ends of the middle lifting rod; the upper end surface of the middle lifting plate is provided with a middle positioning column which protrudes upwards; the position of the middle positioning column corresponds to a feed tray hole at the bottom of the FPC feed tray;

the empty tray lifting material receiving assembly comprises an empty tray lifting cylinder, an empty tray lifting plate and an empty tray positioning column; the empty tray lifting cylinder is vertically arranged, the output end of the empty tray lifting cylinder is provided with an empty tray lifting plate, the upper end surface of the empty tray lifting plate is provided with an empty tray positioning column which protrudes upwards, and the position of the empty tray positioning column corresponds to a tray hole at the bottom of the FPC tray;

the empty tray storage component comprises an empty tray storage seat, a side fixing block, a one-way shifting block, a shifting block connecting shaft, a shifting block limiting shaft and an empty tray side baffle; the empty tray storage seat is arranged at the top of the FPC feeding frame, two sides of the empty tray storage seat are respectively provided with a side fixing block, the inner side of the side fixing block is provided with a one-way shifting block, the lower part of the one-way shifting block is rotatably arranged on the side fixing block through a shifting block connecting shaft, the outer side of the upper part of the one-way shifting block is movably connected with a shifting block limiting shaft, and the other end of the shifting block limiting shaft is movably connected with the inner side of the upper part of the side fixing block; the one-way poking block can only be opened from inside to outside, so that the FPC tray can only pass through from bottom to top in one way; the inner side of the upper part of the one-way toggle block is provided with a supporting part which protrudes inwards, the upper end surface of the supporting part is a plane, and the inner side surface is an inclined plane; an empty tray side baffle is arranged above the empty tray storage seat.

Preferably, the structure of the discharging device is the same as that of the FPC feeding device.

Preferably, the shaping device comprises a shaping support, a shaping cylinder and a shaping pressure plate; the upper part of the shaping support is provided with a vertical shaping cylinder, the output end of the shaping cylinder is provided with a transverse shaping pressing plate, and the bottom of the shaping pressing plate is provided with a shaping hole corresponding to a synapse at the top of the PCB;

the hot-pressing device comprises a hot-pressing support, a hot-pressing cylinder, a hot-pressing head connecting seat, a heat insulation plate, a hot-pressing head, an air blow pipe, a hot-pressing support cylinder and a hot-pressing support plate; the upper part of the hot pressing support is vertically provided with a hot pressing cylinder, the output end of the hot pressing cylinder is provided with a hot pressing head connecting seat, the lower part of the hot pressing head connecting seat is provided with a heat insulation plate, the bottom of the heat insulation plate is provided with a hot pressing head, and the bottom of the hot pressing head is provided with a hot pressing column, the position of the hot pressing column corresponds to the synapse at the top of the PCB; one side of the hot pressing head is provided with an air blowing pipe; a transverse hot-pressing supporting cylinder is arranged in the middle of the hot-pressing support, a hot-pressing supporting plate is arranged at the output end of the hot-pressing supporting cylinder, and a groove is formed in one side, facing the circulating conveying device, of the hot-pressing supporting plate; the hot-pressing support plate is used for providing support below the hot-pressing support plate;

the finished product pushing device comprises a first pushing cylinder, a cylinder mounting plate, a second pushing cylinder and a finished product pushing plate; the first release cylinder is vertically arranged, the output end of the first release cylinder is provided with a cylinder mounting plate, a vertical second release cylinder is arranged on the cylinder mounting plate, the output end of the second release cylinder is provided with a horizontal finished product push plate, and the finished product push plate is positioned in a discharging station and is arranged at the lower part of the circulating conveying device.

Preferably, a visual detection device for detecting the hot pressing quality is further arranged between the hot pressing station and the discharging station.

A printed circuit board assembly method sequentially comprises the following steps:

s1: a PCB storage assembly in the PCB loading device is positioned through a storage assembly positioning assembly;

s2: the PCB feeding manipulator grabs the PCB in the PCB storage assembly and places the PCB into a carrier positioned in a PCB feeding station of the circulating conveying device;

s3: the first belt assembly drives the carrier to move to the next station along the carrier track, and the carrier is locked through the carrier locking assembly;

s4: the shaping device shapes the PCB in the shaping station;

s5: the first belt assembly drives the carrier to move to the next station along the carrier track, and the carrier is locked through the carrier locking assembly;

s6: the FPC feeding manipulator grabs the FPC positioned in a middle feeding station in the FPC feeding device and places the FPC on the top of the PCB;

s7: the first belt assembly drives the carrier to move to the next station along the carrier track, and the carrier is locked through the carrier locking assembly;

s8: the FPC and the PCB are hot-pressed together by a hot-pressing device;

s9: the first belt assembly drives the carrier to move to the next station along the carrier track, and the carrier is locked through the carrier locking assembly;

s10: the finished product pushing device pushes the finished product out of the carrier from the lower part, and the finished product manipulator grabs the pushed finished product and puts the gripped finished product into the discharging device.

In summary, the invention has the advantages that the PCB is vertically installed in the circular conveying device through the mutual matching of the PCB loading device and the PCB loading manipulator, and the top of the PCB is upward, so that the subsequent FPC assembly is facilitated. The shaping device shapes synapses on the top of the PCB, and installation of the FPC is further facilitated. FPC loading attachment and FPC material loading manipulator mutually support, realize feeding FPC to the top of PCB board. The hot press unit hot presses the FPC to the PCB, and the consistency of each product is guaranteed. The finished product pushing device pushes the finished product out of the circulating conveying device from the lower part, so that the finished product can be conveniently grabbed by the finished product manipulator and discharged by the discharging device. The mutual cooperation of the device realizes the automatic assembly of the PCB and the FPC, improves the assembly efficiency and ensures the consistency of products.

Drawings

Fig. 1 is a schematic structural diagram of a circuit board assembling apparatus.

Fig. 2 is a schematic structural view of a PCB and an FPC.

Fig. 3 is a schematic structural view of the FPC tray.

Fig. 4 is a bottom view of the FPC tray.

Fig. 5 is a schematic structural diagram of a finished material tray.

Fig. 6 is a bottom view of the finished tray.

Fig. 7 is a partial enlarged view of a portion a in fig. 5.

Fig. 8 is a schematic structural view of the circulation conveying device.

Fig. 9 is a schematic structural view of a carrier, a carrier rail and a carrier locking assembly.

Fig. 10 is a schematic structural view of the carrier body.

Fig. 11 is a partial enlarged view of fig. 10 at B.

Fig. 12 is a schematic structural diagram of the carrier.

Fig. 13 is a schematic structural view of a PCB board loading device.

Fig. 14 is a schematic view of a PCB board magazine assembly.

FIG. 15 is a schematic view of the magazine assembly positioning assembly.

Fig. 16 is a schematic structural view of a PCB board loading robot.

Fig. 17 is a schematic structural view of a PCB board jaw assembly.

Figure 18 is a top view of a pair of PCB board jaws.

Fig. 19 is a schematic structural view of the shaping device.

Fig. 20 is a bottom view of the orthopedic platen.

Fig. 21 is a schematic structural view of an FPC feeding device.

Fig. 22 is a schematic view of the full magazine clamping assembly.

Fig. 23 is a schematic structural view of a full tray lifting material taking assembly, a middle lifting material receiving assembly and an empty tray lifting material receiving assembly.

FIG. 24 is a schematic view of the full tray traverse assembly.

Fig. 25 is a schematic view of the configuration of an empty magazine assembly.

Fig. 26 is a schematic structural view of a side fixing block, a one-way toggle block, a toggle block connecting shaft and a toggle block limiting shaft.

Fig. 27 is a schematic structural view of a hot press apparatus.

Fig. 28 is a schematic structural view of the thermal head.

Fig. 29 is a schematic structural view of the finished product push-out apparatus.

Detailed Description

As shown in fig. 1, the printed circuit board assembling equipment comprises a frame, and a circulating conveying device 1, a PCB board feeding device 2, a PCB board feeding manipulator 3, a shaping device 4, an FPC feeding device 5, an FPC feeding manipulator 6, a hot pressing device 7, a finished product pushing device 8, a finished product manipulator 9 and a discharging device 10 which are arranged on the frame. The circulating conveying device 1 is sequentially provided with a PCB loading station, a shaping station, an FPC loading station, a hot pressing station and a discharging station which are encircled to form a ring. The position of the PCB feeding device 2 corresponds to the PCB feeding station, one side of the PCB feeding device 2 is provided with a PCB feeding manipulator 3, and the PCB feeding manipulator 3 grabs the PCB in the PCB feeding device 2 and feeds the PCB into the circulating conveying device 1. The position of the shaping device 4 corresponds to the shaping station, and the shaping device 4 shapes the positioning of the PCB. The position of FPC loading attachment 5 corresponds with FPC material loading station, and one side of FPC loading attachment 5 sets up FPC material loading manipulator 6, and FPC material loading manipulator 6 snatchs the FPC in FPC loading attachment 5 and feeds it to the top of PCB board. The position of the hot pressing device 7 corresponds to the hot pressing station, and the hot pressing device 7 fixes the FPC on the top of the PCB in a hot pressing mode. The position of the finished product push-out device 8 corresponds to the discharging station, the finished product push-out device 8 pushes the finished product upwards from the circulating conveying device 1, a finished product manipulator 9 and a discharging device 10 are arranged on one side of the finished product push-out device 8, and the finished product manipulator 9 grabs the pushed-out finished product and places the grabbed-out finished product into the discharging device 10. Preferably, a visual detection device for detecting the hot pressing quality is further arranged between the hot pressing station and the discharging station.

As shown in fig. 2, the PCB 13 is in a strip shape, two synapses 131 are disposed on the top of the PCB 13, the LED lamp 14 is disposed between the two synapses 131, and the FPC is disposed on the top of the PCB 13 through the synapses 131.

As shown in fig. 3 and 4, the upper end surface of the FPC tray 15 is provided with a plurality of FPC troughs, and the left and right sides of the FPC tray 15 are provided with first gripper portions 151 that facilitate gripping the FPC tray. The bottom of the FPC charging tray 15 is provided with a plurality of first charging tray holes 152, and the first charging tray holes 152 are convenient for the subsequent movement of the FPC charging tray in the FPC feeding device 5.

As shown in fig. 5 to 7, the upper end surface of the finished product tray 16 is provided with a plurality of finished product troughs 162, finished products are transversely placed on the finished product tray 16, and the left and right sides of the finished product tray 16 are provided with second gripper portions 162 for gripping the finished product tray 16. The bottom of the finished material tray 16 is provided with a plurality of second tray holes 161, and the second tray holes 161 facilitate the subsequent movement of the finished material tray 16 in the discharging device 10.

As shown in fig. 8, the endless conveyor 1 includes a base 101, a first belt assembly 102, a carrier 103, a carrier rail 104, and a carrier locking assembly 105. The upper part of the base 101 is provided with a first belt assembly 102 and an annular carrier track 104, the first belt assembly 102 comprises a first belt 1021, and a plurality of carriers 103 are arranged on the first belt 1021 at intervals. The bottom of the carrier 103 is slidably disposed on the carrier rail 104. The side of the base 101 is provided with a carrier locking assembly 105, the position of the carrier locking assembly 105 corresponds to each station, and the carrier locking assembly 105 is used for fixing the carrier 103 when each station works.

As shown in fig. 9 to 12, the carrier 103 includes a carrier body 1031, a carrier base plate 1032, a pulley 1033, an outer positioning column 1034, an inner connecting seat 1035, an inner connecting rod 1036, and a belt connecting seat 1037. The outer side of the carrier main body 1031 extends to the outside of the base 101, and is provided with a limiting clamping groove 10311 which penetrates up and down, a step surface 10312 is arranged in the limiting clamping groove 10311, the step surface 10312 is used for supporting the upper part of the PCB, and the lower part of the PCB 13 extends to the lower part of the limiting clamping groove 10311. The cross section of limiting clamping groove 10311 is adapted to the cross section of the PCB. The bottom of the carrier body 1031 is provided with a carrier bottom plate 1032, the inner side and the outer side of the bottom of the carrier bottom plate 1032 are both provided with pulleys 1033 along the transverse direction, and the pulleys 1033 are arranged at the two sides of the carrier rail 104 in a sliding manner, so that the carrier bottom plate 1032 can slide on the carrier rail 104 conveniently. An outer positioning post 1034 is also disposed on the outer side of the carrier base plate 1032, and the outer positioning post 1034 is used to cooperate with the carrier locking assembly 105 to lock the carrier body 1031. The inner side of the carrier base plate 1032 is further provided with an inner connecting seat 1035, the inner connecting seat 1035 is provided with an inner connecting rod 1036, and is rotatably connected with a belt connecting seat 1037 through the inner connecting rod 1036, and the belt connecting seat 1037 is fixedly arranged on the side surface of the first belt 1021. Inner link block 1035 and belt link block 1037 are pivotally connected to facilitate sliding movement of carrier base 1032. Preferably, the belt connecting seat 1037 is provided with a sliding groove 10371 for the inner and outer movement of the inner connecting rod 1036, so as to further improve the moving stability of the carrier base plate 1032.

As shown in fig. 9, the carrier lock assembly 105 includes a carrier lock cylinder 1051 and a lock block 1052. The vertical setting of carrier locking cylinder 1051 is on the side of base 101, and the output of carrier locking cylinder 1051 sets up latch 1052, and the upper end of latch 1052 is provided with the locking groove 10521 of upwards opening, and the position and the shape of locking groove 10521 all correspond with outside reference column 1034. When locking is needed, the carrier locking cylinder 1051 drives the locking block 1052 to move upwards, so that the outer positioning column 1034 is located in the locking groove 10521, the carrier 103 is prevented from moving transversely, and the locking effect is achieved.

The circulating conveying device 1 solves the problem that the PCB is long-strip-shaped, and the FPC board needs to be assembled at the end part, so that the PCB is not easy to fix. The circulating conveying device 1 has an advantage that a limiting clamping groove 10311 penetrating up and down is arranged on the carrier main body 1031, so that the strip-shaped PCB 13 can be placed in the limiting clamping groove 10311. A step surface 10312 is arranged on the upper portion of the limiting clamping groove 10311, and the upper portion of the PCB 13 is supported by the step surface 10312, so that only the portion of the PCB 13, which needs to be assembled with the FPC, is left above the carrier main body 1031, thereby facilitating the assembly of the subsequent FPC. The lower part of the carrier main body 1031 is provided with a pulley 1033, the carrier main body 1031 is arranged on the carrier track 104 in a sliding manner through the pulley 1033, the movement of the carrier main body 1031 is facilitated, and the carrier main body 1031 is connected to the belt 1021 through an inner side connecting seat 1035 and a belt connecting seat 1037 which are mutually connected in a rotating manner on the inner side of the carrier main body 1031, so that the carrier main body 1031 can be recycled, and the production efficiency is improved.

As shown in fig. 13, the PCB board loading apparatus 2 includes a PCB board loading track 201, a second belt assembly 202, a roller mounting bracket 203, a roller 204, a PCB board magazine assembly 205, and a magazine positioning assembly 206. The PCB board feeding rail 201 is arranged along the horizontal direction, and a baffle 2011 is arranged at the front end of the PCB board feeding rail 201 and used for blocking the PCB board storage assembly 205 when the PCB board storage assembly moves to the front end. The second belt assembly 202 is arranged at the lower part of the PCB board feeding rail 201, and the second belt assembly 202 comprises two second belts 2021 positioned at two sides of the PCB board feeding rail 201, so that the PCB board storage assembly 205 can be conveniently conveyed by arranging the two second belt assemblies 202. A roller mounting frame 203 is arranged above each second belt 2021, and a plurality of transverse rotating rollers 204 are arranged on the roller mounting frame 203 at intervals, so that the stability of the PCB storage assembly 205 during conveying is further improved. The bottom of the magazine 205 is disposed on the second belt 2021, and the magazine 205 is located between the rollers 204 on both sides. The magazine assembly positioning assembly 206 is located below the forward end of the PCB board feeding track 201.

As shown in fig. 13 and 14, the PCB magazine assembly 205 includes a magazine floor 2051, a middle magazine limit plate 2052, and a magazine connection post 2053. A plurality of first PCB storage grooves 20511 which are opened upwards are formed in the storage bottom plate 2051, and the bottoms of the first PCB storage grooves 20511 are closed. The middle storage limiting plate 2052 is arranged above the storage bottom plate 2051 through a storage connecting column 2053, a second PCB storage groove 20521 corresponding to the first PCB storage groove 20511 is arranged on the middle storage limiting plate 2052, and the second PCB storage groove 20521 penetrates up and down. When the PCB 13 is in the PCB magazine assembly 205, the bottom of the PCB 13 is supported by the first PCB magazine 20511, and the middle of the PCB 13 is limited by the second PCB magazine 20521. The bottom of the magazine base 2051 is provided with tapered locating pins 20512 to facilitate the magazine assembly locating assemblies 206 to fix the PCB board magazine assembly 205 and prevent the PCB board magazine assembly 205 from moving laterally. Preferably, the side of the middle magazine limit plate 2052 is provided with a handle 20522 to facilitate removal of an empty PCB board magazine assembly 205 from the PCB board feeding track 201.

As shown in fig. 15, the magazine positioning assembly 206 includes a positioning bracket 2061, a positioning cylinder 2062, a positioning lift plate 2063, and a positioning post 2064. The positioning support 2061 is fixedly arranged on the frame, the lower part of the positioning support 2061 is provided with a vertical positioning cylinder 2062, the output end of the positioning cylinder 2062 is provided with a positioning lifting plate 2063, the top of the positioning lifting plate 2063 is fixedly provided with positioning columns 2064, the number and the positions of the positioning columns are corresponding to the conical positioning pins 20512, and the top of each positioning column 2064 is conical. When the magazine assembly positioning assembly 206 is actuated, the positioning cylinder 2062 drives the positioning lifting plate 2063 to move upwards, and the positioning column 2064 extends upwards into the tapered positioning pin 20512, so that the PCB magazine assembly 205 is fixed.

As shown in fig. 16, the PCB board loading robot 3 includes a PCB board lateral transfer assembly 301, a PCB board longitudinal transfer assembly 302, and a PCB board gripper assembly 303. The PCB transverse moving assembly 301 is arranged along the transverse direction, the PCB longitudinal moving assembly 302 is arranged at the output end of the PCB transverse moving assembly 301, and the PCB transverse moving assembly 301 controls the PCB longitudinal moving assembly 302 to move back and forth between the circular conveying device 1 and the PCB feeding device 2. The PCB longitudinal moving assembly 302 is longitudinally arranged, the PCB clamping jaw assembly 303 is arranged at the output end of the PCB longitudinal moving assembly 302, and the PCB longitudinal moving assembly 302 controls the PCB clamping jaw assembly 303 to longitudinally move.

As shown in fig. 17 and 18, the PCB board clamp assembly 303 includes a clamp jaw fixing plate 3031, a clamp jaw cylinder 3032, and a PCB board clamp jaw 3033. The clamping jaw fixing plate 3031 is arranged at the output end of the PCB longitudinal moving assembly 302, a vertical clamping jaw cylinder 3032 is arranged on one side of the clamping jaw fixing plate 3031, a pair of PCB clamping jaws 3033 is arranged at the output end of the clamping jaw cylinder 3032, and a PCB clamping groove 30331 matched with the middle section of the PCB is arranged on the inner side of the PCB clamping jaw 3033.

As shown in fig. 17, a pull rod (not shown) extending outward is provided at an end of the PCB board clamp 3033, and a return spring 3034 is provided between the two pull rods on the same side, so that the pair of PCB board clamp 3033 is in a normally closed state.

As shown in fig. 19 and 20, the shaping device 4 includes a shaping holder 401, a shaping cylinder 402, and a shaping platen 403. The upper part of the shaping support 401 is provided with a vertical shaping cylinder 402, the output end of the shaping cylinder 402 is provided with a transverse shaping pressing plate 403, the bottom of the shaping pressing plate 403 is provided with a shaping hole 4031 corresponding to a synapse on the top of a PCB, and the synapse is shaped through the shaping hole 4031, so that the subsequent FPC can be conveniently installed.

As shown in fig. 21, the FPC feeding device 5 includes an FPC feeding frame 501, a full tray storage clamping assembly 502, a full tray lifting and taking assembly 503, a full tray horizontal moving assembly 504, a middle lifting and receiving assembly 505, an empty tray lifting and receiving assembly 506, and an empty tray storage assembly 507. The FPC feeding frame 501 is sequentially provided with a full disc storage station, a middle feeding station and an empty disc storage station. The full magazine clamping assembly 502 and the full lift take out assembly 503 are located in the full magazine station. The full reel magazine clamping assembly 502 is arranged at the upper portion of the FPC feeding frame 501, and the full reel magazine clamping assembly 502 is used for clamping full reels from both sides. The full-tray lifting and taking assembly 503 is arranged at the lower part of the FPC feeding frame 501, and the full-tray lifting and taking assembly 503 is used for taking out full trays in the full-tray storing and clamping assembly 502 one by one from the lower part. The full-disc transverse moving assembly 504 transversely penetrates among the full-disc storage station, the middle feeding station and the empty-disc storage station, and the full-disc transverse moving assembly 504 is used for conveying full discs in the full-disc storage station to the middle feeding station and conveying empty discs in the middle feeding station to the empty-disc storage station. The middle lifting material receiving assembly 505 is located in the middle feeding station, the middle lifting material receiving assembly 505 is arranged at the lower portion of the FPC feeding frame 501, and the middle lifting material receiving assembly 505 is used for receiving full trays from a full tray storage station. The empty tray lifting and receiving assembly 506 and the empty tray storage assembly 507 are positioned in the empty tray storage station. The empty tray lifting material receiving assembly 506 is arranged at the lower part of the FPC feeding frame 501, and the empty tray lifting material receiving assembly 506 is used for receiving an empty tray from a middle feeding station. The empty tray storage component 507 is arranged on the upper portion of the FPC feeding frame 501, and the empty tray storage component 507 is used for receiving empty trays in the empty tray lifting material receiving component 506 and stacking the empty trays from bottom to top.

As shown in fig. 22, the full reel magazine clamp assembly 502 includes a full reel magazine clamp cylinder 5021 and a full reel pallet 5022. Full set of storage die clamping cylinder 5021 transversely sets up the upper portion at FPC material loading frame 501, full set of storage die clamping cylinder 5021's output sets up full set layer board 5022, full set layer board 5022's bottom is provided with along the horizontal full set of material portion 50221 that holds in the palm of stretching out, full set of material portion 50221 is towards the inboard of FPC material loading frame 501, and be provided with the full set of material spacing groove 50222 that holds in the palm that is used for fixing a position the FPC charging tray on full set material portion 50221's the up end, first tongs portion 151 on the FPC charging tray 15 is fixed a position and is supported through full set material spacing groove 50222.

As shown in fig. 23, the full-tray lifting and material-taking assembly 503 includes a full-tray lifting cylinder 5031, a full-tray lifting plate 5032 and a full-tray positioning column 5033. The full tray lifting cylinder 5031 is vertically arranged, the full tray lifting plate 5032 is arranged at the output end of the full tray lifting cylinder 5031, a full tray positioning column 5033 protruding upwards is arranged on the full tray lifting plate 5032, and the position of the full tray positioning column 5033 corresponds to the first tray hole 152 at the bottom of the FPC tray.

As shown in fig. 24, the full-tray traverse assembly 504 includes a full-tray traverse cylinder 5041, a full-tray traverse slide 5042, a full-tray traverse slide 5043, a synchronizing wheel 5044, an adapter plate 5045, a connecting shaft 5046, and a traverse positioning post 5047. The full-disc traversing cylinder 5041 is transversely arranged at the upper part of the FPC feeding frame 501, two transverse full-disc traversing sliding seats 5043 are arranged at the lower part of the FPC feeding frame 501, a full-disc traversing sliding plate 5042 is arranged at the top of the full-disc traversing sliding seat 5043 in a sliding manner, and the output end of the full-disc traversing cylinder 5041 is connected with one full-disc traversing sliding plate 5042. Synchronizing wheels 5044 are arranged on the side faces of the two full-disc transverse sliding sliders 5043, the synchronizing wheels 5044 on the same side are connected through a synchronizing belt, the synchronizing belt is connected with the full-disc transverse sliding plate 5042 through an adapter plate 5045, and the synchronizing wheels 5044 on the two sides are connected through a connecting shaft 5046, so that the full-disc transverse sliding cylinder 5041 can simultaneously push the two full-disc transverse sliding plates 5042 to slide. The upper end face of the full-plate transverse moving sliding plate 5042 is provided with a transverse moving positioning column 5047 protruding upwards.

As shown in fig. 23, the middle lifting and receiving assembly 505 includes a middle lifting cylinder 5051, a middle lifting plate 5052, a middle lifting rod 5053, and a middle positioning column 5054. The middle lifting cylinder 5051 is vertically arranged at the lower portion of the FPC feeding frame 501, the output end of the middle lifting cylinder 5051 is provided with a middle lifting plate 5052, the middle lifting plate 5052 is connected with two middle lifting rods 5053 along the transverse direction, and the full-tray lifting material taking assembly 503 and the empty-tray lifting material receiving assembly 506 are respectively arranged at two ends of the middle lifting rods 5053. An upwardly projecting middle locating post 5054 is provided on the upper end of the middle lifting plate 5052. The position of the middle positioning column 5054 corresponds to a tray hole at the bottom of the FPC tray.

As shown in fig. 23, the empty tray lifting and receiving assembly 506 includes an empty tray lifting cylinder 5061, an empty tray lifting plate 5062 and an empty tray positioning column 5063. The vertical setting of blank dish lift cylinder 5061, the output of blank dish lift cylinder 5061 sets up blank dish lift board 5062, sets up bellied blank dish reference column 5063 that makes progress on the up end of blank dish lift board 5062, and the position of blank dish reference column 5063 corresponds with the charging tray hole of FPC charging tray bottom.

As shown in fig. 25, the empty magazine assembly 507 includes an empty magazine seat 5071, a side fixing block 5072, a unidirectional shifting block 5073, a shifting block connecting shaft 5074, a shifting block spacing shaft 5075, and an empty magazine side dam 5076. Empty plate storage seat 5071 is arranged at the top of FPC feeding frame 501, two sides of empty plate storage seat 5071 are respectively provided with a side fixing block 5072, the inner side of side fixing block 5072 is provided with a one-way shifting block 5073, the lower part of the one-way shifting block 5073 is rotatably arranged on the side fixing block 5072 through a shifting block connecting shaft 5074, the outer side of the upper part of the one-way shifting block 5073 is movably connected with a shifting block limiting shaft 5075, and the other end of the shifting block limiting shaft 5075 is movably connected with the inner side of the upper part of the side fixing block 5072. The one-way shifting block 5073 can only be opened from inside to outside, so that the FPC tray can only pass through from bottom to top in one way. An inwardly protruding support part 50731 is provided on the inner side of the upper part of the one-way toggle block 5073, the upper end surface of the support part 50731 is a flat surface, and the inner side surface is an inclined surface. An empty side dam 5076 is positioned above the empty magazine 5071.

When the FPC feeding device 5 is actuated, the FPC tray 15 filled with the FPC is stacked and then placed in the full tray storage and clamping assembly 502, and the first gripper 151 of the FPC tray 15 is supported and clamped by the full tray supporting plate 5022. When material is required to be taken, the full-tray lifting cylinder 5031 drives the full-tray lifting plate 5032 to move upwards, so that the full-tray positioning column 5033 extends into the first tray hole 152 of the lowest FPC tray 15, then the full-tray storage clamping assembly 502 releases the FPC tray 15, so that the FPC tray 15 falls on the full-tray supporting plate 5022, then the full-tray lifting cylinder 5031 drives the full-tray lifting plate 5032 to move downwards by the height of one tray, the full-tray storage clamping assembly 502 clamps the penultimate FPC tray 15, the taken-off FPC tray 15 falls on the full-tray transverse moving assembly 504, the FPC tray 15 is positioned by the transverse moving positioning column 5047, and then the full-tray transverse moving cylinder 5041 drives the full-tray transverse moving sliding plate 5042 to move rightwards to the middle feeding station. The middle lift cylinder 5051 drives the middle lift plate 5052 to move upward such that the middle positioning post 5054 extends into the first tray hole 152 of the FPC tray 15 and removes it from the full-tray traverse assembly 504. After the feeding of the FPC tray in the middle feeding station is completed, the middle lifting cylinder 5051 resets, the empty FPC tray 15 falls into the full tray traverse assembly 504 again, the full tray traverse assembly 504 moves the FPC tray 15 to the right above the empty tray lifting and receiving assembly 506, then the empty tray lifting cylinder 5061 drives the empty tray lifting plate 5062 to move upwards, so that the empty tray positioning column 5063 extends into the first tray hole 152 of the FPC tray 15, the empty FPC tray 15 is taken out of the full tray traverse assembly 504, the taken-out FPC tray 15 continues to move upwards and is supported by the upper end face of the one-way poking block 5073 after passing through the one-way poking block 5073.

The structure of the discharging device 10 is the same as that of the FPC feeding device 5, and the size of the discharging device is adjusted correspondingly to be suitable for a finished material tray 16.

As shown in fig. 27 and 28, the hot press apparatus 7 includes a hot press holder 701, a hot press cylinder 702, a hot press head connecting base 703, a heat insulating plate 704, a hot press head 705, a blow pipe 706, a hot press support cylinder 707, and a hot press support plate 708. The upper part of the hot pressing support 701 is vertically provided with a hot pressing cylinder 702, the output end of the hot pressing cylinder 702 is provided with a hot pressing head connecting seat 703, the lower part of the hot pressing head connecting seat 703 is provided with a heat insulation plate 704, the bottom of the heat insulation plate 704 is provided with a hot pressing head 705, and the bottom of the hot pressing head 705 is provided with a hot pressing column 7051, the position of which corresponds to the synapse at the top of the PCB. One side of the hot-pressing head 705 is provided with an air blowing pipe 706, which is convenient for cooling the finished product after hot pressing. The middle part of the hot pressing support 701 is provided with a transverse hot pressing support cylinder 707, the output end of the hot pressing support cylinder 707 is provided with a hot pressing support plate 708, one side of the hot pressing support plate 708 facing the circulating conveying device 1 is provided with a groove 7081, and the groove 7081 is used for accommodating the lower part of the PCB during hot pressing. The hot press support plate 708 is used to provide support for the carrier 103 below during hot pressing.

As shown in fig. 29, the finished product push-out apparatus 8 includes a first push-out cylinder 801, a cylinder mounting plate 802, a second push-out cylinder 803, and a finished product push plate 804. The first push-out cylinder 801 is vertically arranged, the output end of the first push-out cylinder 801 is provided with a cylinder mounting plate 802, the cylinder mounting plate 802 is provided with a vertical second push-out cylinder 803, the output end of the second push-out cylinder 803 is provided with a horizontal finished product push plate 804, and the finished product push plate 804 is positioned in the discharging station and at the lower part of the circulating conveying device 1.

s1: the magazine assembly 205 of PCB boards in the PCB board loading device 2 is positioned by the magazine assembly positioning assembly 206.

S2: the PCB board feeding manipulator 3 picks up the PCB board in the PCB board storage assembly 205 and places the PCB board into the carrier 103 located in the PCB board feeding station of the circulating conveyor 1.

S3: the first belt assembly 102 drives the carrier 103 to move to the next station along the carrier track 104, and the carrier 103 is locked by the carrier locking assembly 105.

S4: the shaping device 4 shapes the PCB in the shaping station.

S5: the first belt assembly 102 drives the carrier 103 to move to the next station along the carrier track 104, and the carrier 103 is locked by the carrier locking assembly 105.

S6: the FPC feeding manipulator 6 picks the FPC located in the middle feeding station in the FPC feeding device 5 and places it on top of the PCB board.

S7: the first belt assembly 102 drives the carrier 103 to move to the next station along the carrier track 104, and the carrier 103 is locked by the carrier locking assembly 105.

S8: the FPC and PCB are hot pressed together by the hot press 7.

S9: the first belt assembly 102 drives the carrier 103 to move to the next station along the carrier track 104, and the carrier 103 is locked by the carrier locking assembly 105.

S10: the product ejection device 8 ejects the product from below from the carrier 103, and the product robot 9 picks up the ejected product and places it in the ejection device 10.

The invention solves the problem that the assembly difficulty is higher because the PCB is longer and the FPC needs to be installed at the end part of the PCB and hot-pressed. The invention has the advantages that the PCB is vertically arranged in the circular conveying device 1 by the mutual matching of the PCB feeding device 2 and the PCB feeding manipulator 3, and the top of the PCB is upward, thereby facilitating the subsequent assembly of FPC. The shaping device 4 shapes synapses on the top of the PCB, and installation of the FPC is further facilitated. The FPC feeding device 5 and the FPC feeding mechanical arm 6 are matched with each other to feed FPC to the top of the PCB. The hot press unit 7 hot presses the FPC to the PCB board, ensuring the consistency of each product. The finished product pushing device 8 pushes the finished product out of the circulating conveying device 1 from the lower part, so that the finished product can be conveniently grabbed by the finished product manipulator 9 and discharged by the discharging device 10. The mutual cooperation of the device realizes the automatic assembly of the PCB and the FPC, improves the assembly efficiency and ensures the consistency of products.

Claims

1. A printed circuit board assembling device is characterized by comprising a rack, a circulating conveying device (1), a PCB feeding device (2), a PCB feeding mechanical arm (3), a shaping device (4), an FPC feeding device (5), an FPC feeding mechanical arm (6), a hot pressing device (7), a finished product push-out device (8), a finished product mechanical arm (9) and a discharging device (10), wherein the circulating conveying device, the PCB feeding device, the FPC feeding mechanical arm and the shaping device are mounted on the rack; the circular conveying device (1) is sequentially provided with a PCB loading station, a shaping station, an FPC loading station, a hot pressing station and a discharging station which are encircled into a ring shape; the position of the PCB feeding device (2) corresponds to a PCB feeding station, one side of the PCB feeding device (2) is provided with a PCB feeding manipulator (3), the PCB feeding manipulator (3) grabs a PCB in the PCB feeding device (2) and vertically feeds the PCB into the circulating conveying device (1), and the head end of the PCB is upward; the position of the shaping device (4) corresponds to the shaping station, and the shaping device (4) shapes the top of the PCB; the position of the FPC feeding device (5) corresponds to an FPC feeding station, one side of the FPC feeding device (5) is provided with an FPC feeding mechanical arm (6), and the FPC feeding mechanical arm (6) grabs the FPC in the FPC feeding device (5) and feeds the FPC to the top of a PCB; the position of the hot-pressing device (7) corresponds to a hot-pressing station, and the hot-pressing device (7) fixes the FPC on the top of the PCB in a hot-pressing mode; the position of the finished product pushing device (8) corresponds to the discharging station, the finished product pushing device (8) pushes the finished product upwards from the circulating conveying device (1), a finished product manipulator (9) and a discharging device (10) are arranged on one side of the finished product pushing device (8), and the finished product manipulator (9) grabs the pushed finished product and places the grabbed finished product into the discharging device (10).

2. A printed wiring board assembly apparatus as in claim 1, wherein the endless conveyor (1) comprises a base (101), a first belt assembly (102), a carrier (103), a carrier track (104), a carrier locking assembly (105); a first belt assembly (102) and an annular carrier track (104) are arranged at the upper part of the base (101), the first belt assembly (102) comprises a first belt (1021), and a plurality of carriers (103) are arranged on the first belt (1021) at intervals; the bottom of the carrier (103) is arranged on the carrier track (104) in a sliding manner; a carrier locking assembly (105) is arranged on the side surface of the base (101), the position of the carrier locking assembly (105) corresponds to each station, and the carrier locking assembly (105) is used for fixing the carrier (103) when each station works;

the carrier (103) comprises a carrier main body (1031), a carrier bottom plate (1032), a pulley (1033), an outer side positioning column (1034), an inner side connecting seat (1035), an inner side connecting rod (1036) and a belt connecting seat (1037); the outer side of the carrier main body (1031) extends out of the base (101), a limiting clamping groove (10311) which penetrates through the carrier main body up and down is formed in the carrier main body, a step surface (10312) is arranged in the limiting clamping groove (10311), and the step surface (10312) is used for supporting the upper portion of a PCB; the cross section of the limiting clamping groove (10311) is adapted to the cross section of the PCB; a carrier bottom plate (1032) is arranged at the bottom of the carrier main body (1031), pulleys (1033) along the transverse direction are arranged on the inner side and the outer side of the bottom of the carrier bottom plate (1032), and the pulleys (1033) are arranged on two sides of the carrier track (104) in a sliding manner; an outer side positioning column (1034) is further arranged on the outer side of the carrier base plate (1032), and the outer side positioning column (1034) is used for being matched with the carrier locking component (105) so as to lock the carrier main body (1031); the inner side of the carrier base plate (1032) is also provided with an inner side connecting seat (1035), the inner side connecting seat (1035) is provided with an inner side connecting rod (1036), the inner side connecting rod (1036) is rotatably connected with a belt connecting seat (1037) through the inner side connecting rod (1036), and the belt connecting seat (1037) is fixedly arranged on the side surface of the first belt (1021); the belt connecting seat (1037) is provided with a sliding groove (10371) for the inner and outer movement of the inner connecting rod (1036);

the carrier locking assembly (105) comprises a carrier locking cylinder (1051) and a locking block (1052); the vertical setting of carrier locking cylinder (1051) is on the side of base (101), and the output of carrier locking cylinder (1051) sets up latch segment (1052), and the upper end of latch segment (1052) is provided with open-ended locking groove (10521) that makes progress, and the position and the shape in locking groove (10521) all correspond with outside reference column (1034).

3. A printed wiring board assembly apparatus according to claim 1, wherein the PCB board loading device (2) comprises a PCB board loading track (201), a second belt assembly (202), a roller mounting bracket (203), a roller (204), a PCB board magazine assembly (205) and a magazine assembly positioning assembly (206); the PCB feeding rail (201) is arranged along the transverse direction, and a baffle (2011) is arranged at the front end of the PCB feeding rail (201); a second belt assembly (202) is arranged at the lower part of the PCB feeding track (201), the second belt assembly (202) comprises two second belts (2021) positioned at two sides of the PCB feeding track (201), a roller mounting rack (203) is arranged above each second belt (2021), and a plurality of rollers (204) which transversely rotate are arranged on the roller mounting rack (203) at intervals; the bottom of the PCB board storage assembly (205) is arranged on the second belt (2021), and the PCB board storage assembly (205) is positioned between the rollers (204) on the two sides; the storage component positioning component (206) is positioned below the front end of the PCB feeding track (201);

the PCB storage component (205) comprises a storage bottom plate (2051), a middle storage limiting plate (2052) and a storage connecting column (2053); a plurality of first PCB storage grooves (20511) which are opened upwards are formed in the storage bottom plate (2051), and the bottoms of the first PCB storage grooves (20511) are closed; a middle storage limiting plate (2052) is arranged above the storage bottom plate (2051) through a storage connecting column (2053), a second PCB storage groove (20521) corresponding to the first PCB storage groove (20511) is arranged on the middle storage limiting plate (2052), and the second PCB storage groove (20521) penetrates through the upper part and the lower part; the bottom of the material storage bottom plate (2051) is provided with a conical positioning pin (20512);

the storage component positioning assembly (206) comprises a positioning support (2061), a positioning cylinder (2062), a positioning lifting plate (2063) and a positioning column (2064); the positioning support (2061) is fixedly arranged on the frame, the lower part of the positioning support (2061) is provided with a vertical positioning cylinder (2062), the output end of the positioning cylinder (2062) is provided with a positioning lifting plate (2063), the top of the positioning lifting plate (2063) is fixedly provided with positioning columns (2064) with the number and the positions corresponding to the conical positioning pins (20512), and the top of each positioning column (2064) is conical.

4. A printed wiring board assembly apparatus according to claim 1, wherein the PCB board loading robot (3) comprises a PCB board lateral transfer assembly (301), a PCB board longitudinal transfer assembly (302) and a PCB board gripper assembly (303); the PCB transverse moving assembly (301) is arranged along the transverse direction, the PCB longitudinal moving assembly (302) is arranged at the output end of the PCB transverse moving assembly (301), and the PCB transverse moving assembly (301) controls the PCB longitudinal moving assembly (302) to move back and forth between the circulating conveying device (1) and the PCB feeding device (2); the PCB longitudinal moving assembly (302) is longitudinally arranged, the PCB clamping jaw assembly (303) is arranged at the output end of the PCB longitudinal moving assembly (302), and the PCB longitudinal moving assembly (302) controls the PCB clamping jaw assembly (303) to longitudinally move; the PCB clamping jaw assembly (303) comprises a clamping jaw fixing plate (3031), a clamping jaw cylinder (3032) and a PCB clamping jaw (3033); the clamping jaw fixing plate (3031) is arranged at the output end of the PCB longitudinal moving assembly (302), a vertical clamping jaw cylinder (3032) is arranged at one side of the clamping jaw fixing plate (3031), a pair of PCB clamping jaws (3033) is arranged at the output end of the clamping jaw cylinder (3032), and a PCB clamping groove (30331) matched with the middle section of the PCB is arranged at the inner side of each PCB clamping jaw (3033);

the end part of the PCB clamping jaw (3033) is provided with a pull rod extending outwards, and a return spring (3034) is arranged between the two pull rods on the same side, so that the pair of PCB clamping jaws (3033) are in a normally closed state.

5. The printed circuit board assembly equipment according to claim 1, wherein the FPC feeding device (5) comprises an FPC feeding frame (501), a full tray storage clamping assembly (502), a full tray lifting and taking assembly (503), a full tray traversing assembly (504), a middle lifting and receiving assembly (505), an empty tray lifting and receiving assembly (506) and an empty tray storage assembly (507); a full-disc storage station, a middle-part loading station and an empty-disc storage station are sequentially arranged on the FPC loading frame (501); the full-disc storage clamping assembly (502) and the full-disc lifting material taking assembly (503) are positioned in a full-disc storage station; the full-disc storage clamping assembly (502) is arranged at the upper part of the FPC feeding frame (501), and the full-disc storage clamping assembly (502) is used for clamping full discs from two sides; the full-tray lifting and taking assembly (503) is arranged at the lower part of the FPC feeding frame (501), and the full-tray lifting and taking assembly (503) is used for taking out full trays in the full-tray storing and clamping assembly (502) one by one from the lower part; the full-disc transverse moving assembly (504) is transversely arranged among the full-disc storage station, the middle feeding station and the empty-disc storage station in a penetrating mode, and the full-disc transverse moving assembly (504) is used for conveying full discs in the full-disc storage station to the middle feeding station and conveying empty discs in the middle feeding station to the empty-disc storage station; the middle lifting material receiving assembly (505) is positioned in the middle feeding station, the middle lifting material receiving assembly (505) is arranged at the lower part of the FPC feeding frame (501), and the middle lifting material receiving assembly (505) is used for receiving full trays from a full tray storage station; the empty tray lifting material receiving assembly (506) and the empty tray storage assembly (507) are positioned in an empty tray storage station; the empty tray lifting material receiving assembly (506) is arranged at the lower part of the FPC feeding frame (501), and the empty tray lifting material receiving assembly (506) is used for receiving an empty tray from a middle feeding station; the empty tray storage component (507) is arranged on the upper portion of the FPC feeding frame (501), and the empty tray storage component (507) is used for receiving empty trays in the empty tray lifting material receiving component (506) and stacking the empty trays from bottom to top.

6. The printed wiring board assembly apparatus of claim 5, wherein the full reel magazine clamp assembly (502) comprises a full reel magazine clamp cylinder (5021) and a full reel pallet (5022); the full-tray storage clamping cylinder (5021) is transversely arranged at the upper part of the FPC feeding rack (501), the full-tray supporting plate (5022) is arranged at the output end of the full-tray storage clamping cylinder (5021), the full-tray supporting part (50221) transversely extending out is arranged at the bottom of the full-tray supporting plate (5022), the full-tray supporting part (50221) faces the inner side of the FPC feeding rack (501), and a full-tray supporting limiting groove (50222) used for positioning an FPC feeding tray is arranged on the upper end face of the full-tray supporting part (50221);

the full-tray lifting material taking assembly (503) comprises a full-tray lifting cylinder (5031), a full-tray lifting plate (5032) and a full-tray positioning column (5033); the full-tray lifting cylinder (5031) is vertically arranged, the output end of the full-tray lifting cylinder (5031) is provided with a full-tray lifting plate (5032), the full-tray lifting plate (5032) is provided with a full-tray positioning column (5033) which protrudes upwards, and the position of the full-tray positioning column (5033) corresponds to a tray hole at the bottom of the FPC tray;

the full-plate transverse moving assembly (504) comprises a full-plate transverse moving cylinder (5041), a full-plate transverse moving sliding plate (5042), a full-plate transverse moving sliding seat (5043), a synchronizing wheel (5044), an adapter plate (5045), a connecting shaft (5046) and a transverse moving positioning column (5047); the full-disc transverse moving cylinder (5041) is transversely arranged at the upper part of the FPC feeding frame (501), two transverse full-disc transverse moving sliding seats (5043) are arranged at the lower part of the FPC feeding frame (501), a full-disc transverse moving sliding plate (5042) is arranged at the top of the full-disc transverse moving sliding seat (5043) in a sliding mode, and the output end of the full-disc transverse moving cylinder (5041) is connected with one full-disc transverse moving sliding plate (5042); synchronizing wheels (5044) are arranged on the side faces of the two full-disc transverse sliding seats (5043), the synchronizing wheels (5044) on the same side are connected through synchronizing belts, the synchronizing belts are connected with the full-disc transverse sliding plates (5042) through adapter plates (5045), and the synchronizing wheels (5044) on the two sides are connected through connecting shafts (5046), so that the full-disc transverse moving cylinder (5041) can simultaneously push the two full-disc transverse sliding plates (5042) to slide; the upper end surface of the full-plate transverse moving sliding plate (5042) is provided with a transverse moving positioning column (5047) protruding upwards;

the middle lifting material receiving assembly (505) comprises a middle lifting cylinder (5051), a middle lifting plate (5052), a middle lifting rod (5053) and a middle positioning column (5054); the middle lifting cylinder (5051) is vertically arranged at the lower part of the FPC feeding frame (501), the output end of the middle lifting cylinder (5051) is provided with a middle lifting plate (5052), the middle lifting plate (5052) is connected with two middle lifting rods (5053) along the transverse direction, and the full-tray lifting material taking assembly (503) and the empty-tray lifting material receiving assembly (506) are respectively arranged at two ends of the middle lifting rods (5053); the upper end surface of the middle lifting plate (5052) is provided with a middle positioning column (5054) protruding upwards; the position of the middle positioning column (5054) corresponds to a tray hole at the bottom of the FPC tray;

the empty tray lifting and receiving assembly (506) comprises an empty tray lifting cylinder (5061), an empty tray lifting plate (5062) and an empty tray positioning column (5063); the empty tray lifting cylinder (5061) is vertically arranged, an empty tray lifting plate (5062) is arranged at the output end of the empty tray lifting cylinder (5061), an upward convex empty tray positioning column (5063) is arranged on the upper end surface of the empty tray lifting plate (5062), and the position of the empty tray positioning column (5063) corresponds to a tray hole in the bottom of the FPC tray;

the empty tray storage component (507) comprises an empty tray storage seat (5071), a side fixing block (5072), a one-way shifting block (5073), a shifting block connecting shaft (5074), a shifting block limiting shaft (5075) and an empty tray side baffle (5076); the empty tray storage seat (5071) is arranged at the top of the FPC feeding frame (501), two sides of the empty tray storage seat (5071) are respectively provided with a side fixing block (5072), the inner side of the side fixing block (5072) is provided with a one-way shifting block (5073), the lower part of the one-way shifting block (5073) is rotatably arranged on the side fixing block (5072) through a shifting block connecting shaft (5074), the outer side of the upper part of the one-way shifting block (5073) is movably connected with a shifting block limiting shaft (5075), and the other end of the shifting block limiting shaft (5075) is movably connected to the inner side of the upper part of the side fixing block (5072); the one-way shifting block (5073) can only be opened from inside to outside, so that the FPC tray can only pass through from bottom to top in one way; the inner side of the upper part of the one-way shifting block (5073) is provided with a supporting part (50731) which protrudes inwards, the upper end surface of the supporting part (50731) is a plane, and the inner side surface is an inclined surface; an empty tray side baffle (5076) is arranged above the empty tray storage seat (5071).

7. A printed wiring board assembly apparatus as in claim 5, wherein the structure of the take-off means (10) is the same as that of the FPC feeding means (5).

8. A printed wiring board assembly apparatus as claimed in claim 1, wherein the shaping device (4) comprises a shaping support (401), a shaping cylinder (402) and a shaping platen (403); a vertical shaping cylinder (402) is arranged at the upper part of the shaping support (401), a transverse shaping pressing plate (403) is arranged at the output end of the shaping cylinder (402), and a shaping hole (4031) corresponding to a synapse at the top of the PCB is arranged at the bottom of the shaping pressing plate (403);

the hot-pressing device (7) comprises a hot-pressing support (701), a hot-pressing cylinder (702), a hot-pressing head connecting seat (703), a heat insulation plate (704), a hot-pressing head (705), a gas blowing pipe (706), a hot-pressing supporting cylinder (707) and a hot-pressing supporting plate (708); the upper part of the hot pressing support (701) is vertically provided with a hot pressing cylinder (702), the output end of the hot pressing cylinder (702) is provided with a hot pressing head connecting seat (703), the lower part of the hot pressing head connecting seat (703) is provided with a heat insulation board (704), the bottom of the heat insulation board (704) is provided with a hot pressing head (705), and the bottom of the hot pressing head (705) is provided with a hot pressing column (7051) the position of which corresponds to the synapse at the top of the PCB; an air blowing pipe (706) is arranged on one side of the hot pressing head (705); a transverse hot-pressing supporting cylinder (707) is arranged in the middle of the hot-pressing support (701), a hot-pressing supporting plate (708) is arranged at the output end of the hot-pressing supporting cylinder (707), and a groove (7081) is formed in one side, facing the circulating conveying device (1), of the hot-pressing supporting plate (708); the hot-pressing support plate (708) is used for providing support below during hot pressing;

the finished product pushing device (8) comprises a first pushing cylinder (801), a cylinder mounting plate (802), a second pushing cylinder (803) and a finished product pushing plate (804); the first vertical setting of cylinder (801) of releasing, the output of first cylinder (801) of releasing sets up cylinder mounting panel (802), sets up vertical second on cylinder mounting panel (802) and releases cylinder (803), and the output of second cylinder (803) of releasing sets up a horizontally finished product push pedal (804), and finished product push pedal (804) are located ejection of compact station, and in the lower part of circulating conveyor (1).

9. The printed wiring board assembly apparatus of claim 1, wherein a visual inspection device for inspecting the quality of the hot pressing is further provided between the hot pressing station and the discharging station.

10. A printed circuit board assembly method is characterized by sequentially comprising the following steps:

s1: a PCB storage assembly (205) in the PCB loading device (2) is positioned through a storage assembly positioning assembly (206);

s2: the PCB feeding manipulator (3) grabs the PCB in the PCB storage assembly (205) and places the PCB into a carrier (103) in a PCB feeding station of the circulating conveying device (1);

s3: the first belt assembly (102) drives the carrier (103) to move to the next station along the carrier track (104), and the carrier (103) is locked through the carrier locking assembly (105);

s4: the shaping device (4) shapes the PCB in the shaping station;

s5: the first belt assembly (102) drives the carrier (103) to move to the next station along the carrier track (104), and the carrier (103) is locked through the carrier locking assembly (105);

s6: the FPC feeding manipulator (6) grabs the FPC in the middle feeding station in the FPC feeding device (5) and places the FPC on the top of the PCB;

s7: the first belt assembly (102) drives the carrier (103) to move to the next station along the carrier track (104), and the carrier (103) is locked through the carrier locking assembly (105);

s8: the FPC and the PCB are hot-pressed together by a hot-pressing device (7);

s9: the first belt assembly (102) drives the carrier (103) to move to the next station along the carrier track (104), and the carrier (103) is locked through the carrier locking assembly (105);

s10: the finished product pushing device (8) pushes the finished product out of the carrier (103) from below, and the finished product manipulator (9) grabs the pushed finished product and places the gripped finished product into the discharging device (10).