CN110902341A

CN110902341A - Thin plate turnover device and using method thereof

Info

Publication number: CN110902341A
Application number: CN201911095438.1A
Authority: CN
Inventors: 高亚松
Original assignee: Dongguan Hongren Automation Equipment Technology Co ltd
Current assignee: Dongguan Hongren Automation Equipment Technology Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-03-24

Abstract

The invention discloses a sheet turnover device and a use method thereof, and the device comprises a workbench, a positioning table and a mechanical arm for carrying a sheet, and a first temporary storage area and a second temporary storage area are formed; the thin plate with the exposed upper surface is placed in the first temporary storage area, the thin plate is fixed to the upper surface of the thin plate through the first positioning piece on the mechanical arm, the thin plate is conveyed to the rotary table to enable the lower surface of the thin plate to be fixed to the second positioning piece, the thin plate is loosened through the first positioning piece, the driving piece drives the thin plate to rotate to the lower surface of the thin plate to face towards the first positioning piece, the second positioning piece is loosened after the first positioning piece and the lower surface of the thin plate are fixed, the thin plate is conveyed to the second temporary storage area through the mechanical arm, the lower surface of the thin plate faces upwards at the moment, the turnover operation of the thin plate is automatically achieved, the workload of workers is effectively reduced, and.

Description

Thin plate turnover device and using method thereof

Technical Field

The invention relates to the field of circuit board production equipment, in particular to a thin plate turnover device and a using method thereof.

Background

In the manufacturing process of the printed circuit board, before the exposure of the substrate, a photoresist layer and a film adhered to the surface of the photoresist layer are respectively formed on the upper surface and the lower surface of the substrate, and after the upper surface and the lower surface of the PCB are respectively exposed on an exposure machine, the film is stripped to expose the photoresist layer, so that the subsequent developing and etching processes can be conveniently carried out. In the above exposure process, the exposure machine can expose only one surface of the PCB at a time, which is not problematic in operation for the PCB requiring only one-side exposure, but sometimes the PCB requiring two-side exposure is encountered, so that after one-side exposure is completed in operation, the PCB needs to be turned over manually and then re-exposed, especially in the case of large production, the workload of workers is greatly increased.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a thin plate turnover device which can automatically turn over a thin plate and effectively reduce the workload of workers.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a sheet metal turn-over device, includes the workstation, still includes the robotic arm of location platform and transport sheet metal, the workstation includes first stage body and second stage body, form first temporary storage area on the first stage body, form the second temporary storage area on the second stage body, it is connected with the revolving stage to rotate on the platform of location, be provided with on the platform of location and order about revolving stage pivoted driving piece, the last first setting element that is provided with fixed sheet metal of robotic arm, be provided with fixed sheet metal's second setting element on the revolving stage.

The thin plate with the exposed upper surface is placed in the first temporary storage area, the thin plate is fixed to the upper surface of the thin plate through the first positioning piece on the mechanical arm, the thin plate is conveyed to the rotary table to enable the lower surface of the thin plate to be fixed to the second positioning piece, the thin plate is loosened through the first positioning piece, the driving piece drives the thin plate to rotate to enable the lower surface of the thin plate to face towards the first positioning piece, the second positioning piece is loosened after the first positioning piece is fixed to the lower surface of the thin plate, the thin plate is conveyed to the second temporary storage area through the mechanical arm, the lower surface of the thin plate faces upwards at the moment, the turnover operation of the thin plate is automatically achieved, the workload of workers is effectively reduced, the turnover efficiency is improved, the thin plate is suitable for mass production, the lower surface of the thin plate is rotated to face towards the first positioning piece through the rotary table during the turnover operation, the.

The invention further provides that: first setting element and second setting element all include the adsorption disc, the adsorption disc is provided with a plurality of adsorption heads, be provided with the logical groove that supplies adsorption head to pass through on the robotic arm on the adsorption disc of revolving stage.

First setting element and second setting element all realize with the help of the vacuum adsorption of adsorption head with the fixed of sheet metal, simple structure just can not cause the damage to the sheet metal surface, adsorb stably and be difficult for appearing dropping, wherein lead to the groove set up mainly to play and dodge the effect, after the revolving stage rotates, the adsorption head on the robotic arm can be fixed through leading to the lower surface adsorption of groove with the sheet metal.

The invention further provides that: spacing strips are formed between adjacent through grooves on the adsorption disc, and the adsorption heads are vacuum suction heads and are uniformly distributed on the spacing strips.

Make the distribution of adsorption head more even like this for sheet metal surface many point positions all obtain good absorption fixed, and absorption stability and fastness are more secure, avoid the condition that the sheet metal dropped to appear in the handling.

The invention further provides that: the rotary table is vertically arranged and the rotation axis is vertical.

Make the second setting element rotate on the horizontal plane like this, realize simultaneously that simple structure and easily realization change the face for the rotation of first setting element to sheet metal on the second setting element.

The invention further provides that: the rotary table is horizontally arranged, and the rotation axis is horizontal.

The horizontal turntable enables the second positioning piece to rotate on a vertical plane, so that the thin plate on the second positioning piece can be parallel to the surface of the first temporary storage area, and then the rotating operation can be reduced when the mechanical arm carries the thin plate, and the carrying action efficiency is faster and the time is effectively shortened.

The invention further provides that: first setting element includes evenly distributed's absorption head, the second setting element includes the baffle that the interval set up, forms the slot that supplies the sheet metal to peg graft between the adjacent baffle, the interval is equipped with the logical groove that supplies the last absorption head of robotic arm to pass through on the baffle, it runs through the baffle top and forms the access & exit to lead to the groove top.

The second setting element is set up by the baffle interval and forms, and it is fixed to realize the joint in the slot with the sheet metal grafting in the use, and the rotatory back of second setting element is ensured in the setting of leading to the groove, and the last adsorption head of robotic arm can pass through logical groove and adsorb on the surface of sheet metal, can realize equally well fixing a position to the sheet metal, and the structure is simpler and with low costs moreover, and the setting of access & exit is convenient for inserting and taking out of sheet metal.

The invention further provides that: the width of the slot is equal to the thickness of the thin plate.

Therefore, the inserting firmness of the thin plate and the inserting groove is ensured to be better guaranteed when the device is used specifically, and the thin plate is not easy to move under the centrifugal action and even is thrown out and falls off in the rotating process.

The invention further provides that: the first positioning piece comprises an adsorption disc, the second positioning piece comprises a positioning groove which is formed in the surface of the rotary table and used for the thin plate to be inserted, and a vacuum suction hole is formed in the bottom wall of the positioning groove.

In the specific use process, the bottom end of the thin plate is inserted into the positioning groove in the surface of the rotary table to realize positioning, and the thin plate is further adsorbed and fixed by means of the vacuum suction hole in the bottom, so that the bottom end of the thin plate is well fixed, the second positioning piece cannot cause certain damage to the surface of the thin plate, and the thin plate is well protected in the carrying process.

The invention further provides that: the locating slot runs through the setting along length direction both ends.

Run through the setting with the both ends of constant head tank, improve the application scope of constant head tank for it is applicable to the sheet metal that length is longer than constant head tank length, possesses better suitability and practicality.

The invention also aims to provide a using method of the thin plate turnover device, which has the advantages of suitability for batch thin plate turnover and high turnover efficiency.

In order to realize the technical purpose, the invention provides the following technical scheme:

the use method of the thin plate turnover device comprises the following steps:

step 1, placing a thin plate in a first temporary storage area of a first table body;

step 2, fixing a first positioning piece of the mechanical arm with the upper surface of the thin plate on the first temporary storage area, carrying the thin plate to a turntable, and loosening the first positioning piece after the lower surface of the thin plate is fixed with a second positioning piece on the turntable;

step 3, driving the turntable to rotate by the driving part;

and 4, fixing the first positioning piece on the mechanical arm and the lower surface of the thin plate, loosening the second positioning piece, and carrying the thin plate to a second temporary storage area of the second table body, wherein the original lower surface of the thin plate is arranged upwards.

Like this will come the sheet metal on the first temporary storage area to carry out orderly placing at the second temporary storage area after the turn-over through full automatic mode, the follow-up processing of being convenient for is used, is applicable to in batch production to the orderly turn-over and the transport of sheet metal, and whole turn-over is efficient moreover and can effectively reduce workman's work load.

In conclusion, the invention has the following beneficial effects:

1. the thin plates on the first temporary storage area can be orderly placed at the second temporary storage area after being turned over by means of a combination mode of a mechanical arm and a positioning table, and turning operation on the batch of thin plates is realized in a full-automatic mode;

2. the turnover efficiency is good, the turnover mechanism is suitable for batch production of thin plates, manual operation of workers is effectively reduced, and workload is reduced;

3. the second positioning piece is fixed on the surface of the thin plate in different modes, the whole structure is simple and easy to realize, the surface of the thin plate is not easily damaged in the period, and the surface of the thin plate is well protected.

Drawings

FIG. 1 is an overall structural view of embodiment 1;

FIG. 2 is a structural diagram of a robot arm for carrying a thin plate to a positioning table in embodiment 1;

FIG. 3 is a view showing the construction of the robot arm for taking out a thin plate from the positioning table in embodiment 1;

FIG. 4 is a diagram showing the structure of the robot arm placing the sheet in the second buffer area in embodiment 1;

FIG. 5 is an overall structural view of embodiment 2;

FIG. 6 is a structural view of a positioning table in embodiment 3;

fig. 7 is a sectional view of a junction between a turntable and a thin plate in example 4.

Reference numerals: 1. a robot arm; 2. a work table; 21. a first stage body; 221. a first temporary storage area; 22. a second stage body; 221. a second temporary storage area; 23. a first space; 24. a second space; 3. a positioning table; 31. a turntable; 32. a motor; 4. an adsorption tray; 5. a through groove; 6. a spacer bar; 7. an adsorption head; 8. a partition plate; 9. a slot; 10. an entrance and an exit; 11. positioning a groove; 12. vacuum suction holes; 13. closing the plate; 14. a thin plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: a sheet turnover device is shown in figure 1 and comprises a workbench 2, a positioning table 3 and a mechanical arm 1, wherein the workbench 2 comprises a first workbench body 21 and a second workbench body 22 which are vertically arranged, a first temporary storage area 221 for storing a sheet 14 is formed on the surface of the first workbench body 21, a second temporary storage area 221 is formed on the second workbench body 22, a first space 23 and a second space 24 are formed at the edge parts of the first workbench body 21 and the second workbench body 22, and the mechanical arm 1 and the positioning table 3 are both installed and fixed in the first space 23; the mechanical arm 1 is a six-degree-of-freedom mechanical arm and can grab any object in space; the positioning table 3 is rotatably connected with a rotary table 31, the positioning table 3 is vertically arranged in the embodiment, the rotary table 31 is rotated on a horizontal plane, and a driving part for driving the rotary table 31 to rotate is arranged in the positioning table 3 and is a motor 32.

In addition, a first positioning piece for fixing the thin plate 14 is arranged at the end of the mechanical arm 1, a second positioning piece for fixing the thin plate 14 is arranged on the rotary table 31, the first positioning piece and the second positioning piece both comprise adsorption discs 4, the adsorption discs 4 are respectively fixed on the rotary table 31 and the mechanical arm 1, meanwhile, through grooves 5 at intervals are formed in the adsorption discs 4 to form spacing bars 6, adsorption heads 7 are uniformly distributed on the spacing bars 6, and the adsorption heads 7 are connected with an air compressor, so that the thin plate 14 is fixed by the adsorption force.

The implementation principle of the embodiment is as follows: firstly, placing the thin plate 14 with the exposed upper surface in the first temporary storage area 221 of the first table body 21, then attaching the upper surface of the thin plate 14 by means of the adsorption disc 4 on the mechanical arm 1, enabling the adsorption head 7 to generate suction to adsorb and fix the thin plate 14 when the air compressor works, and then enabling the mechanical arm 1 to convey the thin plate 14 to the positioning table 3, as shown in fig. 2, the thin plate 14 is vertically arranged and parallel to the adsorption disc 4 on the rotary table 31, and the unexposed lower surface of the thin plate 14 faces the adsorption disc 4 on the rotary table 31, so that the lower surface of the thin plate 14 is attached to the adsorption disc 4 on the rotary table 31 and is adsorbed and fixed by the adsorption; then the adsorption head 7 on the mechanical arm 1 does not generate suction to loosen the thin plate 14, and the mechanical arm 1 is removed; the driving member on the positioning table 3 drives the turntable 31 to rotate 180 degrees, as shown in fig. 3, so that the unexposed lower surface of the thin plate 14 faces the adsorption head 7 on the robot arm 1, the robot arm 1 moves to enable the adsorption head 7 on the first positioning member to pass through the through groove 5 and attach to the lower surface of the thin plate 14, the adsorption head 7 on the first positioning member adsorbs the thin plate 14 during working, and then the adsorption head 7 on the positioning table 3 stops working and does not adsorb any more; then, the robot arm 1 transports the thin plate 14 to the second temporary storage area 221 of the second table 22, as shown in fig. 4, the unexposed lower surface of the thin plate 14 placed at the second temporary storage area 221 is disposed upward, thereby completing the full-automatic flanging operation of the thin plate 14, and then directly performing the subsequent processing on the unexposed surface of the thin plate 14 at the second temporary storage area 221.

Example 2: a sheet turnover device, as shown in fig. 5, which is different from embodiment 1 mainly in the location of the positioning table 3, in this embodiment the positioning table 3 is fixedly disposed in the second space 24, and wherein the positioning table 3 is disposed horizontally, i.e., wherein the turntable 31 and the second positioning member rotate on the vertical plane; like this at the in-process that specifically uses on the locating platform 3 adsorption disc 4 initial position be the level, adsorption head 7 on the adsorption disc 4 sets up, this moment the adsorption disc 4 on the locating platform 3 is on a parallel with the sheet metal 14 of placing in first temporary storage area 221 department, and then robotic arm 1 can directly place it on the adsorption disc 4 of locating platform 3 after lifting up sheet metal 14, then accomplish the absorption fixedly with the help of the adsorption disc 4 on the revolving stage 31, it rotates the rotation operation of vertical state to follow the horizontal state with sheet metal 14 to have saved robotic arm 1 during this time, make robotic arm 1 higher to the handling efficiency of sheet metal 14, the time is shorter, effectively improve handling efficiency.

Example 3: a sheet turning device is disclosed, as shown in FIG. 6, which is different from embodiment 1 mainly in the structure of a second positioning member, in this embodiment, the second positioning member includes partition plates 8 arranged at intervals, the bottoms of the partition plates 8 are fixed on the top surface of a rotary table 31, a slot 9 for inserting a sheet 14 is formed between adjacent partition plates 8, the width of the slot 9 is equal to the thickness of the sheet 14, meanwhile, through grooves 5 penetrating and strip-shaped are arranged on the sheet 14 at intervals, the top ends of the through grooves 5 penetrate through the sheet 14 to form an entrance 10, the entrance 10 is used for inserting and taking out the sheet 14, wherein the through grooves 5 are used for passing through an adsorption head 7 on a robot arm 1, so that the adsorption head 7 on the robot arm 1 can be adsorbed and fixed with the surface of the sheet; therefore, the thin plate 14 can be positioned and fixed by being inserted into the slot 9 in the specific using process, so that the overall structure of the second positioning piece is simpler and more practical, and the production cost is reduced.

Example 4: a sheet turning device, as shown in FIG. 7, the difference from embodiment 1 is mainly the difference of the structure of a second positioning member, in this embodiment, the second positioning member includes a positioning groove 11 formed on the surface of a turntable 31, the positioning groove 11 is used for inserting the bottom end of a sheet 14, in order to further improve the fixation of the bottom end of the sheet 14, a vacuum suction hole 12 is formed on the bottom wall of the positioning groove 11, the vacuum suction hole 12 is connected with an air compressor, the bottom wall of the sheet 14 is fixed on the bottom wall of the positioning groove 11 through vacuum adsorption, and the firmness and stability of splicing are improved; wherein vacuum suction hole 12 sets up a plurality ofly along 11 length direction intervals of constant head tank, further improves and adsorbs fixed effect, and wherein constant head tank 11 length direction's both ends run through the setting moreover, improve constant head tank 11's accommodation for it is applicable to the sheet metal 14 that length is longer than constant head tank 11 length, possesses better suitability and practicality, adopts the fixed mode of location like this can not cause the damage to sheet metal 14's surface, effectively protects sheet metal 14's surface.

In addition there is shrouding 13 in the articulated shrouding 13 in the opening part both sides of constant head tank 11, this shrouding 13 one side articulates on the inner wall of constant head tank 11 with the help of the hinge, and articulated department is provided with the torsional spring (not shown in the figure) that orders about shrouding 13 and reset to the horizontality, thereby in shrouding 13 do not pegged graft to constant head tank 11, two shrouding 13 are in the horizontality and seal the opening under the torsional spring effect, effectively prevent that external dust impurity from entering into the phenomenon that blocks up vacuum suction hole 12 in the constant head tank 11, and order about shrouding 13 to turn over laminating constant head tank 11 inner wall down in sheet metal 14 pegs graft to constant head tank 11, when not influencing the smooth grafting of sheet metal 14, and both sides shrouding 13 can also provide.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a sheet metal turn-over device, includes workstation (2), characterized by: still including robotic arm (1) of location platform (3) and transport sheet metal (14), workstation (2) include first stage body (21) and second stage body (22), form first temporary storage area (221) on first stage body (21), form second temporary storage area (221) on second stage body (22), it is connected with revolving stage (31) to rotate on location platform (3), be provided with on location platform (3) and order about revolving stage (31) pivoted driving piece, be provided with the first locating piece of fixed sheet metal (14) on robotic arm (1), be provided with the second locating piece of fixed sheet metal (14) on revolving stage (31).

2. The sheet turnover device as set forth in claim 1, wherein: first setting element and second setting element all include adsorption disc (4), adsorption disc (4) are provided with a plurality of adsorption head (7), be provided with logical groove (5) that supply adsorption head (7) to pass through on robotic arm (1) on adsorption disc (4) of revolving stage (31).

3. The sheet turnover device as set forth in claim 2, wherein: form space bar (6) between adjacent logical groove (5) on adsorption disc (4), adsorption head (7) are vacuum suction head and evenly distributed on space bar (6).

4. The sheet turnover device as set forth in claim 1, wherein: the rotary table (31) is arranged vertically, and the rotation axis is vertical.

5. The sheet turnover device as set forth in claim 1, wherein: the rotary table (31) is horizontally arranged, and the rotation axis is horizontal.

6. The sheet turnover device as set forth in claim 4, wherein: first locating part includes evenly distributed's absorption head (7), the second locating part includes baffle (8) that the interval set up, forms slot (9) that supply sheet metal (14) to peg graft between adjacent baffle (8), spaced apart on baffle (8) is equipped with logical groove (5) that supply on robotic arm (1) absorption head (7) to pass through, it runs through baffle (8) top and forms access & exit (10) to lead to groove (5) top.

7. The sheet turnover device as set forth in claim 6, wherein: the width of the slot (9) is equal to the thickness of the thin plate (14).

8. The sheet turnover device as set forth in claim 1, wherein: first locating part includes adsorption disc (4), the second locating part is including offering locating groove (11) on revolving stage (31) surface and supplying sheet metal (14) to peg graft, vacuum suction hole (12) have been seted up on locating groove (11) diapire.

9. The sheet turnover device as set forth in claim 8, wherein: the positioning groove (11) is arranged at two ends in the length direction in a penetrating mode.

10. A method of using the sheet turnover device as claimed in any one of claims 1 to 9, comprising the steps of:

step 1, a thin plate (14) is placed in a first temporary storage area (221) of a first table body (21);

step 2, fixing a first positioning piece of the mechanical arm (1) with the upper surface of the thin plate (14) on the first temporary storage area (221), conveying the thin plate (14) to the rotary table (31), and loosening the first positioning piece after the lower surface of the thin plate (14) is fixed with a second positioning piece on the rotary table (31);

step 3, driving the turntable (31) to rotate by the driving part;

and 4, fixing the first positioning piece on the mechanical arm (1) and the lower surface of the thin plate (14), loosening the second positioning piece, and then conveying the thin plate (14) to a second temporary storage area (221) of the second table body (22), wherein the original lower surface of the thin plate (14) is arranged upwards.