CN106041497B

CN106041497B - Equipment for assembling sheath and bottle inserting needle

Info

Publication number: CN106041497B
Application number: CN201610581325.2A
Authority: CN
Inventors: 梁启明
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-20
Filing date: 2016-07-20
Publication date: 2023-10-27
Anticipated expiration: 2036-07-20
Also published as: CN106041497A

Abstract

The invention provides equipment for assembling a sheath and a bottle inserting needle, which comprises a sheath discharging device, a sheath pushing device and a sheath and bottle inserting needle assembling device, wherein the sheath discharging device comprises a sheath conveying device and a sheath receiving device, the sheath pushing device comprises a sheath jacking device and a sheath guiding device, the sheath and bottle inserting needle assembling device comprises a sheath positioning device for positioning a plurality of sheaths at the same time and a bottle inserting needle positioning clamping device for clamping and fixing the plurality of bottle inserting needles, the sheath conveying device is used for conveying the sheath to the sheath receiving device, and the sheath jacking device jacks the sheath positioned on the sheath receiving device into the sheath guiding device; the sheath in the sheath guiding device is nested on the bottle inserting needle clamped and fixed in the bottle inserting needle positioning and clamping device along the sheath positioning device. The invention has simple structure and good performance, and ensures that the sheath discharging and pushing and the assembly between the sheath and the bottle inserting needle are accurate, efficient and timely.

Description

Equipment for assembling sheath and bottle inserting needle

Technical Field

The invention relates to the technical field of bottle inserting needle assembling equipment in medical equipment, in particular to equipment for assembling a sheath and a bottle inserting needle.

Background

The medical bottle-inserting needle assembly is used in a medical infusion device and consists of a connecting pipe, bottle-inserting needles and a sheath, one end of the connecting pipe is inserted into the connecting end of the bottle-inserting needles, the sheath is sleeved on the bottle-inserting needles to prevent the needle heads of the bottle-inserting needles from being polluted, and the needle heads of the bottle-inserting needles are prevented from being pricked elsewhere.

At present, the medical bottle-inserting needle assemblies are assembled manually, and the greatest defect of manual assembly is that germs are easy to adhere to the medical bottle-inserting needle assemblies, so that the product sanitation requirements are disqualified, meanwhile, the assembly speed of manual assembly is very low, and the production efficiency is low, so that how to improve the production efficiency and reduce pollution of the medical bottle-inserting needle assemblies to the greatest extent is a problem to be solved urgently.

In order to solve the above-mentioned problems or technical drawbacks, a series of automatic production devices for assembling infusion components (including assembling between the bottle inserting needle and the sheath) are developed by those skilled in the art, for example, a full-automatic bottle inserting needle assembling machine is disclosed in chinese patent (patent No. 201510209731.1, publication No. CN104842357 a), the invention specifically describes a full-automatic bottle inserting needle assembling machine, which comprises a workbench, a rotatable large turntable is arranged on the workbench, a plurality of clamps for clamping and placing workpieces are arranged on the large turntable, and for each clamp and each clamp, an upper sheath station for sheathing the bottle inserting needle, an upper filter membrane station for installing a filter membrane on the bottle inserting needle, an upper cap station for installing a cap on the bottle inserting needle, a rejection station for rejecting unqualified products after installation and a discharge station for outputting qualified products are respectively arranged on the workbench; the workbench is externally provided with a sheath conveying cylinder for conveying the sheath to the upper sheath station, a bottle inserting needle conveying cylinder for conveying the bottle inserting needle to the upper bottle inserting needle station and a cap conveying cylinder for conveying the cap to the upper cap station.

Wherein: the jacket feeding station comprises a jacket pushing machine and a positioning machine, wherein the jacket pushing machine comprises a jacket pushing component pushing the jacket to the clamp, a lifting cylinder controlling the jacket pushing component to slide along the Z-axis direction and an axial cylinder controlling the jacket pushing component to slide along the Y-axis direction; the positioning machine comprises a positioning bracket and a positioning table in sliding connection with the positioning bracket, wherein a plurality of positioning grooves for accommodating the sheath are formed in the positioning table, and the positioning grooves are positioned at the output end of the sheath conveying cylinder. The sheath conveying cylinder conveys the sheath into the positioning groove, the positioning table slides to the position right below the ejector component on the positioning support, the lifting cylinder controls the ejector component to descend, the ejector pin in the ejector component stretches out and stretches into the sheath to prop up the sheath, the lifting cylinder controls the ejector component to ascend to be flush with the clamp, the axial cylinder controls the ejector component to move forwards, and the ejector pin stretches the sheath into the clamp. When the sheath is arranged on the clamp, the large turntable rotates, and the clamp containing the sheath can rotate to the corresponding upper bottle inserting needle station. The upper bottle inserting needle station comprises a frame and a rotating shaft which is rotationally connected with the frame, a mechanical arm used for inserting and conveying bottle inserting needles is arranged on the rotating shaft, a driving motor used for controlling the rotating shaft to rotate is arranged on the frame, and a limiting rod corresponding to the conveying and outputting end of the bottle inserting needle conveying cylinder is arranged on the frame. The manipulator comprises a mounting frame and a telescopic cylinder for driving the mounting frame to stretch out and draw back, and a plurality of clamping devices for clamping the bottle inserting needle are arranged in the mounting frame. The clamping device is a finger cylinder, a sliding block is arranged on a clamping finger of the finger cylinder, a sliding groove is formed in the sliding block, and the clamping finger is in sliding connection with the sliding groove. The bottle inserting needle conveying cylinder conveys bottle inserting needles to the limiting rod, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the mechanical arm to rotate vertically to the bottle inserting needles, the telescopic cylinder controls the clamping device to descend, fingers are clamped by the clamping device in the middle of the clamping device to clamp the bottle inserting needles, the rotating shaft rotates the mechanical arm, the clamping fingers are enabled to be flush with the clamp, the bottle inserting needles are inserted into the sheath by the clamping fingers, and the clamping cylinder controls the clamping fingers to loosen the bottle inserting needles. After the bottle inserting needle of the sheath is installed, the large turntable rotates, and the clamp rotates to the stable jacking station. After the connection stability of the bottle inserting needle and the sheath is further improved through the jacking device on the jacking station, the large turntable rotates, and the clamp is rotated to the upper filtering membrane station.

Obviously is: the assembly between the sheath and the bottle inserting needle comprises a sheath feeding station, a sheath pushing or conveying station and a bottle inserting needle feeding station disclosed in the patent content, but the control process is complex: the device is required to be operated in a fine manner by a plurality of cylinders (including a lifting cylinder, an axial cylinder, a telescopic cylinder and a clamping cylinder) repeatedly, and the positional relationship (such as control level, rotation, lifting and lowering, clamping and loosening and the like) is required to be aligned; therefore, the process of being too complex and requiring fine manipulation is difficult to ensure the accurate and efficient assembly between the bottle inserting needle and the sheath.

Disclosure of Invention

The invention aims to overcome the defects of the prior art on the basis of the prior bottle inserting needle assembly technical scheme, and provides the equipment for assembling the sheath and the bottle inserting needle, which has simple structure and good performance, and ensures accurate, efficient and timely sheath discharging, pushing and assembly between the sheath and the bottle inserting needle.

In order to achieve the above purpose, the invention is realized by the following technical scheme:

the invention provides equipment for assembling a sheath and a bottle inserting needle, which comprises a sheath discharging device, a sheath pushing device and an assembling device for the sheath and the bottle inserting needle, wherein the sheath discharging device comprises a sheath conveying device for storing and timely conveying the sheath and a sheath receiving device for receiving the sheath conveyed out of the sheath conveying device, the sheath pushing device comprises a sheath jacking device for jacking the sheath positioned in the sheath receiving device and a sheath guiding device for guiding and conveying the sheath jacked out of the sheath receiving device, the assembling device for the sheath and the bottle inserting needle comprises a sheath positioning device for simultaneously positioning a plurality of sheaths and a bottle inserting needle positioning and clamping device for clamping and fixing the bottle inserting needle, the sheath conveying device is used for conveying the sheath to the sheath receiving device, and the sheath jacking device jacks the sheath positioned on the sheath receiving device into the sheath guiding device; the sheath in the sheath guiding device is nested on the bottle inserting needle clamped and fixed in the bottle inserting needle positioning and clamping device along the sheath positioning device.

Preferably, the sheath conveying device comprises a sheath vibration disc, a sheath conveying track and a stock tank, wherein the sheath vibration disc is communicated with the stock tank through the sheath conveying track; the plurality of jackets placed/stored in the jacket vibrating tray are conveyed side by side along the jacket conveying rail into the storage tank, waiting for the jacket receiving device to receive the jackets one by one.

Wherein: the conveying tail end of the sheath conveying track is kept at a certain inclination angle alpha (preferably 20-70 degrees), so that a plurality of sheaths positioned on the conveying tail end of the sheath conveying track have a certain inclination state, and the sheaths can be automatically embedded into the sheath receiving device according to the gravity factors of the sheaths.

The sheath receiving device comprises a movable jig for receiving the sheath, and a plurality of grooves I which can be nested and matched with the sheath are arranged in the movable jig side by side.

Preferably, a barrier strip is arranged at the bottom end of the moving jig, and an upward or outward convex edge is arranged on the barrier strip so as to ensure that the sheath embedded in the groove I generates unnecessary detachment in the process of left and right reciprocating movement of the moving jig; through holes communicated with the grooves I are respectively arranged below the bottom ends of the grooves I and in the barrier strips, and the inner diameters of the through holes are required to be smaller than the outer diameters of the sheaths so as to prevent the sheaths embedded in the grooves I from falling off along the through holes or being embedded into and blocked in the through holes.

Preferably, the cross section of the groove I is arc-shaped (preferably semicircular), and the inner wall of the groove I and the edges thereof are smooth structures. The sheath in the storage groove can smoothly enter the groove of the moving jig through the structural design. And: the movable jig has a certain installation angle requirement, and mainly ensures that a groove I in the movable jig is inclined at a certain angle beta (preferably 20-70 degrees), and after the sheath is conveyed into the groove I of the movable jig through the stock groove, the sheath can be obliquely placed in the groove I, so that the effect that the sheath can be stably embedded in the groove I is achieved.

Wherein: the mathematical relationship between α and β is α+β=90°. The structural design ensures that the conveying direction of the sheath along the conveying tail end of the sheath conveying track is mutually perpendicular to the axial direction of the groove I on the moving jig, and can effectively offset and avoid outward impact force generated between the sheath in the sliding process and the moving jig in the left-right reciprocating process due to a certain speed in the sheath conveying track.

Preferably, the moving jig can reciprocate left and right under the drive of the driving device; in the process of one left-right reciprocating movement, a sheath can be embedded in each slot I in the moving jig, and then the sheath in the moving jig can be pushed for the next step; the jackets are arranged in parallel along the jacket conveying track and conveyed into the storage groove, namely, are positioned above the movable jig, and then the movable jig is embedded into the corresponding groove I on the movable jig one by one in the process of left-right reciprocating movement under the driving action of the driving device.

Preferably, the driving device comprises a servo motor, a screw rod and a cylinder connecting block, wherein the servo motor is in transmission connection with the screw rod, one end of the cylinder connecting block is in threaded connection with the screw rod, and the other end of the cylinder connecting block is fixedly connected with the movable jig; the lead screw rotates under the driving action of the servo motor, so that the moving jig and the cylinder connecting block reciprocate left and right.

Preferably, the movable jig is movably connected with the linear slide rail arranged on the bottom support plate through the adapter plate, so that the adapter plate and the linear slide rail can be used as a stable support at the bottom of the movable jig through the structural design, and the movable jig is ensured to smoothly and reciprocally slide along with the cylinder connecting block.

Preferably, the invention further comprises a photoelectric sensing control device, wherein the photoelectric sensing control device comprises a photoelectric sensor and a photoelectric sensing switch, the photoelectric sensor and the photoelectric sensing switch are respectively arranged at two sides of the reciprocating movement stroke of the moving jig, the photoelectric sensing control device is electrically connected with the driving device, and the moving stroke information of the moving jig detected by the photoelectric sensor on the photoelectric sensing control device can be transmitted to the driving device in real time, so that the driving device can control the moving jig to start, move forwards/stop and move backwards in time.

Preferably, the sheath jacking device comprises a plurality of ejector rods for jacking the sheath and an ejector rod driving device for driving the ejector rods to reciprocate along the extending direction of the inner groove I of the moving jig; the ejector rod driving device comprises an ejector rod seat and an jacking cylinder for driving the ejector rod seat to reciprocate, a plurality of ejector rod holes for embedding the ejector rods are arranged on the ejector rod seat side by side, the ejector rod holes and the ejector rods embedded in the ejector rod holes are arranged in the extending directions of the groove I and the through holes of the inner groove of the moving jig, after the ejector rods are embedded into the corresponding ejector rod holes, the ejector rod seat can reciprocate along the axial extending direction of the groove I on the moving jig under the driving action of the jacking cylinder; and the ejector rods can penetrate through corresponding through holes on the moving jig and reciprocate up and down along the corresponding grooves I.

Preferably, the sheath guiding device comprises a guiding plate for receiving and guiding and conveying the lifted sheath, a plurality of grooves II for conveying the sheath are arranged in the guiding plate side by side, each groove II comprises an arc-shaped groove section II and a linear groove section II, each arc-shaped groove section II extends to the top end of each groove II, each linear groove section II extends to the bottom end of each groove II, each arc-shaped groove section II is communicated with each linear groove section II, the notch II at the top end of each groove II is located in the extending direction of the reciprocating movement of a plurality of ejector rods embedded in the ejector rod holes, and the notch II at the top end of each groove II is correspondingly located in the extending direction of each groove I in the moving jig. The arc-shaped groove section II arranged in the groove II is combined with the top end of the groove I in the movable jig to form a smooth transition structure capable of realizing sheath conveying; the structure design enables the jacked sheath to be smoothly and smoothly transited and conveyed into the guide plate inner groove II of the sheath guide device through the groove I in the moving jig.

Preferably, the sheath guiding device further comprises a baffle plate II for preventing the sheath from separating from the groove II, wherein the baffle plate II is fixed on one side (particularly the upper side) of the guiding plate, on which a plurality of grooves II are formed, namely, the upper sides of the grooves II in the guiding plate are encapsulated, so that the grooves II are only kept in a communicated state with the top ends and the bottom ends of the grooves II; this ensures that the sheath can only enter along the top end of the slot II and exit along the bottom end of the slot II.

Preferably, the slot II comprises an arc-shaped slot section II and a linear slot section II, wherein the arc-shaped slot section II extends to the top end of the slot II, the linear slot section II extends to the bottom end of the slot II, the arc-shaped slot section II is communicated with the linear slot section II, and the notch II at the top end of the slot II is positioned in the extending direction of the ejector rod in a reciprocating manner.

Preferably, the pushing device of the bottle inserting needle sheath further comprises an air blowing device, wherein the air blowing device comprises an air blowing pipe used for blowing the sheath to move downwards along the groove II on the guide plate, and a plurality of air blowing through holes facing to the groove II in the guide plate are arranged in the air blowing pipe side by side. After the blowing device is started, gas in the blowing pipe can flow towards the guide plate inner groove II along the blowing through holes and pass through the rectangular opening in the first baffle, so that the guide plate inner groove II forms a certain-speed gas flow, and the fact that the inner sheath of the groove II can be smoothly conveyed to a preset position or a position of the sheath to be assembled is ensured.

Preferably, the ejector rod is arranged at an inclination angle gamma with the horizontal plane, the groove II is arranged at an inclination angle delta with the horizontal plane, and a mathematical relation exists between gamma and delta: gamma+delta is less than or equal to 90 DEG, wherein: 0< gamma <90 DEG and 0< delta <90 deg. The angle design forms a smooth transition structure for sheath conveying, so that the lifted sheath can be smoothly and transitionally conveyed into the guide plate inner groove II of the sheath guide device by the groove I in the movable jig.

Preferably, the sheath positioning device comprises a reference positioning plate and a rear positioning plate, wherein a plurality of grooves III are arranged on the reference positioning plate side by side, and a plurality of grooves IV are arranged on the rear positioning plate side by side; the groove III comprises an arc-shaped groove section III and a linear groove section III, the arc-shaped groove section III extends upwards to a notch III at the top end of the groove III, the linear groove section III extends downwards to the bottle inserting needle positioning and clamping device, and the arc-shaped groove section III is communicated with the linear groove section III.

Preferably, the notch III at the top end of the groove III is an opening with a wide upper part and a narrow lower part; specifically: the notch III may be in the shape of an inverted splayed opening or a circular arc opening. Such a structural design facilitates smooth and steady entry of the sheath along the slot iii into the slot iii of the sheath positioning device.

When the side surface of the reference positioning plate, which is provided with the groove III, is attached to the side surface of the rear positioning plate, which is provided with the groove IV, a plurality of grooves III on the reference positioning plate and a plurality of corresponding grooves IV on the rear positioning plate form a plurality of sheath positioning channels with wide upper parts and narrow lower parts. Under the action of self gravity of the sheath, the sheath can enter the slot III from wide to narrow and is embedded at the bottom end of the slot III or penetrates through the slot III to be embedded on the bottle inserting needle.

Preferably, the assembling device of the bottle inserting needle in the invention further comprises a first driving device for driving the reference positioning plate to reciprocate and a second driving device for driving the rear positioning plate to reciprocate; the first driving device comprises a back cushion plate I and an air cylinder I, wherein the back cushion plate I is fixedly connected with the reference positioning plate, the air cylinder I is connected with the back cushion plate I through an air cylinder push rod I arranged in the air cylinder I, and the reference positioning plate can reciprocate back and forth along the front-back telescopic movement direction of the air cylinder push rod I under the driving action of the air cylinder I and the air cylinder push rod I; the second driving device comprises a back cushion plate II and a cylinder II, wherein the back cushion plate II is fixedly connected with a back positioning plate, the cylinder II is connected with the back cushion plate II through a cylinder push rod II arranged in the cylinder II, and the back positioning plate can reciprocate back and forth along the back and forth telescopic movement direction of the cylinder push rod II under the driving action of the cylinder II and the cylinder push rod II.

After the first driving device and the second driving device are started, namely after the cylinder I and the cylinder II are started, the reference positioning plate and the rear positioning plate are mutually close and attached to form a plurality of sheath positioning channels with wide upper parts and narrow lower parts; or the reference positioning plate and the rear positioning plate are separated from each other and are close to the respective fixing seats.

Wherein: the reference positioning plate and the rear positioning plate are mutually close and attached to form a plurality of sheath positioning channels with wide upper part and narrow lower part, and the sheath positioning channels mainly ensure that the top end parts of a plurality of bottle inserting needles clamped and fixed on the bottle inserting needle positioning and clamping device are guided or positioned in the bottoms of the corresponding sheath positioning channels, so that the sheaths which are embedded from top to bottom in the sheath positioning channels can be aligned with the top end parts of the bottle inserting needles, and the sheaths are accurately nested on the bottle inserting needles.

Preferably, the bottle inserting needle positioning and clamping device comprises a first positioning plate and a second positioning plate, wherein a plurality of first tooth grooves are arranged on the first positioning plate side by side, a plurality of second tooth grooves are arranged on the second positioning plate side by side, and a plurality of clamping tooth groove pairs for fixing and clamping the bottle inserting needle are formed by the opposite arrangement of the first tooth grooves on the first positioning plate and the second tooth grooves on the second positioning plate.

Preferably, the plurality of clamping tooth grooves in the bottle inserting needle positioning and clamping device guide or position the top end parts of the plurality of bottle inserting needles fixed on the bottle inserting needle positioning and clamping device in the bottom of the corresponding sheath positioning channel when the reference positioning plate and the rear positioning plate are mutually close and attached to form a plurality of sheath positioning channels with wide upper part and narrow lower part.

Preferably, the assembling device of the bottle inserting needle further comprises a pressing sheath device used for pressing down the sheath and clamping the sheath onto the bottle inserting needle, the pressing sheath device comprises a pressing plate, a pressing plate and a pressing cylinder, the pressing plate is fixedly connected to the bottom end face of the pressing cylinder through the pressing plate, and under the driving action of the pressing cylinder and a pressing cylinder push rod arranged in the pressing cylinder, the pressing plate can move up and down in a reciprocating manner along the up-and-down telescopic movement direction of the pressing cylinder push rod.

Preferably, the bottle inserting needle positioning and clamping device can move to the lower position of the pressing sheath device through the sliding rail, when the bottle inserting needle positioning and clamping device moves a plurality of bottle inserting needles nested with the sheath to the lower position of the pressing sheath device through the moving sliding rail, the pressing cylinder is started at the same time, and the pressing cylinder drives the pad pressing plate and the pressing plate to move downwards, and the pressing plate performs proper pressing action on the sheath nested on the bottle inserting needle, so that the preset firm matching connection relationship between the sheath and the bottle inserting needle is ensured. And then after the sheath is pressed down, the push rod of the pressing cylinder is retracted upwards, and the cushion pressing plate and the pressing plate are driven to return to the original positions upwards.

Preferably, the present invention further includes a sheath guard for stably embedding the sheath in the sheath receiving device, the sheath guard being installed directly above or obliquely above a moving stroke of the sheath receiving device. The arrangement of the sheath retaining device is mainly used for preventing the sheath from being separated from the groove I of the movable jig outwards in the jacking or other operation processes, and ensuring that the sheath is separated upwards along the groove I of the movable jig and is conveyed to a corresponding station.

Specifically: the sheath protecting device comprises a first baffle and a second baffle, wherein the first baffle is positioned at the original position of the moving jig (namely, near the rightmost end of the device), the second baffle is positioned at the return position of the moving jig (namely, near the leftmost end of the device), the second baffle is just arranged at the upper position of the left moving stroke of the moving jig in the process that the moving jig moves leftwards and approaches towards the return position of the moving jig, and the second baffle is attached to the upper surface of the moving jig or keeps a tiny gap, so that the sheath conveyed into by the stock groove can be stably embedded in the groove I of the moving jig; similarly, in the process that the moving jig moves rightwards and approaches to the original position, the first baffle is arranged at the upper position of the rightwards moving stroke of the moving jig, and the first baffle is attached to the upper surface of the moving jig or keeps a tiny gap, so that the sheath conveyed into by the stock groove can be stably embedded in the groove I of the moving jig.

The first baffle comprises an upper baffle edge, a lower baffle edge and a rectangular opening formed between the upper baffle edge and the lower baffle edge, and a plurality of mounting holes are formed in the upper baffle edge; corresponding connecting pieces are embedded in a plurality of mounting holes on the upper flange of the first baffle plate and enter the top end of the guide plate, so that the first baffle plate and the guide plate are fixedly connected.

Preferably, the invention further comprises a photoelectric induction control device, wherein the photoelectric induction control device is mainly used for detecting the reciprocating movement stroke of the moving jig; the photoelectric sensing control device comprises a photoelectric sensor and a photoelectric sensing switch, the photoelectric sensor and the photoelectric sensing switch are respectively arranged on two sides of the reciprocating movement stroke of the moving jig, the photoelectric sensing control device is electrically connected with the driving device, and moving stroke information of the moving jig detected by the photoelectric sensor on the photoelectric sensing control device can be transmitted to the driving device in real time, so that the driving device can control the moving jig to start and move forwards/stop and move backwards in time.

Compared with the prior art, the invention has the following beneficial effects:

according to the technical scheme provided by the invention, the sheath can be effectively and stably, accurately, efficiently and timely discharged through the sheath discharging device, namely, the sheath is conveyed along the sheath conveying track in the sheath conveying device and is embedded into the groove I of the moving jig on the sheath receiving device, the sheath can be embedded into each groove I on the moving jig in each left-right reciprocating movement process of the moving jig, and redundant sheaths are accumulated in the sheath conveying track, so that overflow of the sheath or a plurality of grooves I in the moving jig are not in an empty groove state.

Meanwhile, the sheath can be effectively pushed to an assembly station required between the subsequent bottle inserting needle and the sheath stably, accurately, efficiently and timely through the sheath pushing device; the assembling device of the sheath and the bottle inserting needle can effectively achieve the purpose of nesting the sheath on the bottle inserting needle stably, accurately, efficiently and timely; the plurality of sheaths are guided or positioned in the bottoms of the corresponding sheath positioning channels along the sheath positioning channels with the upper wide part and the lower narrow part, and the top end parts of the plurality of bottle inserting needles which are clamped and fixed on the bottle inserting needle positioning and clamping device, and then the sheaths are embedded from top to bottom and simultaneously aligned with the top end parts of the bottle inserting needles, so that the sheaths are accurately embedded into the bottle inserting needles.

The sheath and bottle inserting needle assembling equipment is simple in structure, the operation and control process is simple and clear, only the driving device is needed to drive the sheath receiving device to move the jig to reciprocate left and right in the horizontal direction, the ejector rod in the sheath jacking device reciprocates up and down along the groove I on the moving jig to jack the sheath into the groove II on the guide plate, and the driving device (namely the first driving device and the second driving device) drives the reference positioning plate and the rear positioning plate to be mutually close and attached to form a plurality of sheath positioning channels with wide upper part and narrow lower part; the repeated refined operation actions of rotating, ascending and descending, clamping and loosening and the like of various different cylinders (including a telescopic cylinder and a clamping cylinder) are completely avoided, and the accurate and efficient assembly of the bottle inserting needle and the sheath are effectively ensured.

Drawings

Fig. 1-1 is a schematic diagram of the overall structure of the present invention.

FIGS. 1-2 are schematic diagrams of the overall structure of the present invention.

Fig. 1-3 are partial schematic views of the structure of fig. 1-1.

FIGS. 1-4 are two partial schematic views of the structure of FIGS. 1-1.

FIGS. 1-5 are three partial schematic views of the structure of FIG. 1-1.

Fig. 1-6 are schematic structural views of the assembly device of the sheath and the bottle-inserting needle in fig. 1-1.

Fig. 2 is a schematic diagram of the position structure of the invention in the bottle inserting needle production line.

Fig. 3 is a schematic structural diagram of a moving jig in the present invention.

Fig. 4 is a schematic structural view of a sheath feeding device according to the present invention.

Fig. 5 is a schematic structural diagram of a storage tank in the present invention.

Fig. 6-1 is a schematic structural view of a guide plate according to the present invention.

Fig. 6-2 is a second schematic structural view of the guide plate according to the present invention.

Fig. 7 is a schematic structural view of a first baffle plate in the present invention.

Fig. 8 is a schematic structural view of a carrier bar seat according to the present invention.

Fig. 9 is a schematic view of the structure of the air blowing pipe in the present invention.

Reference numerals:

sheath 000, sheath conveying device 100, sheath vibrating disk 110, sheath conveying track 120, stock tank 130, cover plate 140, connecting plate 150, and sheath receiving device 200;

the movable jig 210, the slot I211, the through hole 212, the baffle strip 213, the convex edge 214, the adapter plate 220, the linear slide rail 230 and the slide block 240;

Sheath guide 300, baffle II 310, guide plate 320, slot II 330, arc-shaped slot section II 331, straight slot section II 332, blowing device 400, blowing pipe 410, blowing through hole 411, and fixed link 420;

the first baffle 510, the second baffle 502, the upper baffle 511, the rectangular opening 512, the lower baffle 513, the mounting hole 514, the lower pressing sheath device 600, the lower pressing plate 610, the cushion pressing plate 620, the lower pressing cylinder 630 and the bottom support plate 700;

sheath jacking device 800, ejector rod 810, ejector rod seat 820, ejector rod hole 830, jacking cylinder 840;

the device comprises a driving device 900, a servo motor 910, a screw rod 920, a cylinder connecting block 930, a photoelectric sensor 1010 and a photoelectric sensing switch 1020;

reference positioning plate 1100, slot III 1110, slot III 1111, arc-shaped slot section III 1112, straight-line slot section III 1113, fixed connection hole III 1120, rear positioning plate 1200, slot IV 1210, fixed connection Kong 1220, first driving device 1120, rear pad I1121, cylinder I1122, cylinder vertical fixing plate I1123, reinforcing rib I1124, cylinder base fixing plate I1125, second driving device 1230, rear pad II 1231, cylinder II 1232, cylinder vertical fixing plate II 1233, reinforcing rib II 1234, cylinder base fixing plate II 1235, first positioning plate 1300, first tooth slot 1310, second positioning plate 1400.

Detailed Description

The invention will be further described with reference to the drawings and preferred embodiments.

It should be noted that the terms "first," "second," "left," "right," "upper," "lower," "i," "ii," "iii," "iv," and the like in the description and in the claims are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that such constructions are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

As shown in fig. 1 to 9, the present invention provides a specific embodiment of an assembling device for a sheath and a bottle inserting needle, which includes a sheath discharging device, a sheath pushing device, and an assembling device for a sheath and a bottle inserting needle.

As shown in fig. 1-1 and 1-2, the sheath discharging device includes a sheath feeding device 100 for storing and feeding the sheath 000 in time, a sheath receiving device 200 for receiving the sheath 000 fed from the sheath feeding device 100, a photo-electric sensing control device for detecting the reciprocating travel of the moving jig 210, and a sheath retaining device for stably inserting the sheath 000 in the sheath receiving device 200.

As shown in fig. 1 to 3 and fig. 1 to 4, the sheath pushing device includes a sheath lifting device 800 for lifting up the sheath located in the sheath receiving device 200 and a sheath guiding device 300 for guiding and conveying the sheath lifted up from the sheath receiving device 200, the sheath and pin assembling device includes a sheath positioning device for positioning a plurality of sheaths simultaneously and a pin positioning and clamping device for clamping and fixing a plurality of pins, the sheath conveying device 100 is used for conveying the sheath to the sheath receiving device 200, and the sheath lifting device 800 lifts up the sheath located on the sheath receiving device 200 into the sheath guiding device 300; the sheath in the sheath guide 300 is nested along the sheath positioning device onto the vial held in the vial positioning holding device. The sheath conveying device 100 comprises a sheath vibration disc 110, a sheath conveying track 120 and a stock tank 130, wherein the sheath vibration disc 110 is communicated with the stock tank 130 through the sheath conveying track 120; the plurality of jackets placed/stored in the jacket vibration plate 110 are conveyed side by side along the jacket conveying rail 120 into the storage tank 130, waiting for the jacket receiving device 200 to receive the jackets one by one.

As shown in fig. 4: the conveying end of the sheath conveying track 120 is kept at a certain inclination angle alpha (preferably 20-70 degrees), so that a plurality of sheaths on the conveying end of the sheath conveying track 120 have a certain inclination state, and the sheaths can be automatically embedded into the sheath receiving device 200 according to the gravity factors of the sheaths.

As shown in fig. 1-3, fig. 1-4 and fig. 3, the sheath receiving device 200 includes a moving jig 210 for receiving the sheath, and a plurality of grooves i 211 capable of being nested with the sheath are disposed in the moving jig 210 side by side.

As shown in fig. 5, the storage tank 130 is provided with a storage port capable of being seamlessly connected with the jacket conveying rail 120, the storage port is three-sided open, and a cover plate 140 is disposed on the top surface of the storage port, and the cover plate 140 is mainly used for covering a plurality of jackets in the storage port, so as to avoid overflowing or separating from the top surface of the storage port due to excessive overstock of the jackets in the storage port. The bottom of the storage tank 130 is also connected with a connecting plate 150, and the connecting plate 150 is mainly used for ensuring the stability of the storage tank 130 and the sheath conveying track 120, namely ensuring that the sheath in the storage tank 130 can be accurately conveyed into the sheath receiving device 200.

As shown in fig. 3, a stop strip 213 is disposed at the bottom end of the moving jig 210, and an upward or outward protruding edge 214 is disposed on the stop strip 213 to ensure that the sheath embedded in the slot i 211 is unnecessarily separated during the reciprocating movement of the moving jig 210; through holes 212 communicating with the respective grooves i 211 are respectively provided below the bottom ends of the grooves i 211 and in the stopper bars 213, and the inside diameters of the through holes 212 are required to be smaller than the outside diameters of the sheaths so as to prevent the sheaths fitted in the grooves i 211 from being separated downward along the through holes 212 or from being fitted into the through holes 212. The cross section of the groove I211 is arc-shaped (preferably semicircular), and the inner wall of the groove I211 and the edges thereof are smooth structures. Such a structural design allows the sheath side-by-side within the storage slot 130 to smoothly nest into the slot of the mobile jig 210. In addition, the moving jig 210 has a certain installation angle requirement in the embodiment of the invention, and mainly ensures that the grooves I211 in the moving jig 210 form a certain inclination angle beta (preferably 20-70 degrees), and after the sheath is conveyed into the grooves I211 of the moving jig 210 through the storage groove 130, the sheath can be obliquely placed in the grooves I211, so that the effect that the sheath can be stably embedded in the grooves I211 is achieved.

Wherein: the mathematical relationship between α and β is α+β=90°. The structural design ensures that the conveying direction of the sheath along the conveying end of the sheath conveying track 120 is mutually perpendicular to the axial direction of the groove I211 on the moving jig 210, and can effectively offset and avoid outward impact force generated between the sheath with a certain speed in the sheath conveying track 120 and in the sliding process and the moving jig 210 in the left-right reciprocating process.

The moving jig 210 can reciprocate left and right under the driving action of the driving device 900; in the process of one left-right reciprocating movement, a sheath can be embedded in each slot I211 in the moving jig 210, and then the sheath in the moving jig 210 can be pushed in the next step; that is, a plurality of jackets are conveyed side by side along the jacket conveying track 120 into the storage tank 130, that is, above the moving jig 210, and then the jackets side by side in the storage tank 130 are embedded into the corresponding grooves i 211 on the moving jig 210 one by one in the process that the moving jig 210 reciprocates left and right under the driving action of the driving device 900.

As shown in fig. 1-3 and fig. 1-4, the driving device 900 includes a servo motor 910, a screw rod, and a cylinder connection block 930, wherein the servo motor 910 is in transmission connection with the screw rod 920, one end of the cylinder connection block 930 is in threaded connection with the screw rod, and the other end of the cylinder connection block 930 is fixedly connected with the moving jig 210; the screw is rotated by the driving of the servo motor 910, so that the moving jig 210 and the cylinder connection block 930 reciprocate left and right.

As shown in fig. 1 to 5, a linear slide rail 230 is fixedly installed on a bottom support plate 700, a slide block 240 capable of sliding smoothly left and right along the linear slide rail 230 is nested on the linear slide rail 230, and the moving jig 210 is fixedly connected with the slide block 240 through an adapter plate 220, so that the moving jig 210 is provided with the adapter plate 220 and the linear slide rail 230 at the bottom thereof as a stable support, and the moving jig 210 is ensured to smoothly slide back and forth along the linear slide rail 230 smoothly along a cylinder connecting block 930.

As shown in fig. 1-3-1-5, the photoelectric sensing control device includes a photoelectric sensor 1010 and a photoelectric sensing switch 1020, the photoelectric sensor 1010 and the photoelectric sensing switch 1020 are respectively mounted at two sides of the reciprocating movement stroke of the moving jig 210, the photoelectric sensing control device is electrically connected with the driving device 900, and the moving stroke information of the moving jig 210 detected by the photoelectric sensor 1010 on the photoelectric sensing control device can be transmitted to the driving device 900 in real time, so as to ensure that the driving device 900 can control the moving jig 210 to start, move forward/stop and move backward in time.

As shown in fig. 8, the sheath lifting device 800 includes a plurality of ejector pins 810 for lifting the sheath, and an ejector pin 810 driving device 900 for driving the ejector pins 810 to reciprocate along the extending direction of the groove i 211 in the moving jig 210; the ejector rod 810 driving device 900 includes an ejector rod seat 820 and an ejection cylinder 840 for driving the ejector rod seat 820 to reciprocate, a plurality of ejector rod holes 830 for embedding the ejector rod 810 are arranged on the ejector rod seat 820 side by side, the ejector rod holes 830 and the ejector rods 810 embedded in the ejector rod holes 830 are all arranged in the extending direction of the groove I211 and the through holes 212 in the moving jig 210, after the ejector rods 810 are embedded in the corresponding ejector rod holes 830, and under the driving action of the ejection cylinder 840, the ejector rod seat 820 and the plurality of ejector rods 810 embedded in the ejector rod holes 830 can reciprocate along the axial extending direction of the groove I211 in the moving jig 210; and the push rods 810 can pass through the corresponding through holes 212 on the moving jig 210 and reciprocate up and down along the corresponding grooves i 211.

As shown in fig. 6-1 to 6-2, the sheath guiding device 300 includes a guiding plate 320 for receiving and guiding the lifted sheath, a plurality of slots ii 330 for conveying the sheath are disposed in the guiding plate 320 side by side, the slots ii 330 include an arc-shaped slot ii 331 and a linear slot ii 332, the arc-shaped slot ii 331 extends to the top end of the slot ii 330, the linear slot ii 332 extends to the bottom end of the slot ii 330, and the arc-shaped slot ii 331 is in communication with the linear slot ii 332, the slots ii at the top ends of the slots ii 330 are located in the extending direction of the reciprocating movement of the plurality of ejector pins 810 embedded in the ejector pin holes 830, and the slots ii at the top ends of the slots ii 330 are respectively located in the extending direction of the slot i 211 in the moving jig 210. Because the arc-shaped groove section II 331 arranged in the groove II 330 is combined with the top end of the groove I211 in the movable jig 210 to form a smooth transition structure capable of realizing sheath conveying; that is, the structure design enables the lifted sheath to be smoothly and smoothly transited from the groove I211 in the moving jig 210 to the groove II 330 in the guide plate 320 of the sheath guide 300.

The sheath guiding device 300 further comprises a baffle ii 310 for preventing the sheath from separating from the groove ii 330, wherein the baffle ii 310 is fixed on the upper side surface of the guiding plate 320, on which a plurality of grooves ii 330 are formed, i.e. the upper sides of the grooves ii 330 in the guiding plate 320 are encapsulated, so that the grooves ii 330 are only kept in a communicating state with respect to the top and bottom ends thereof; this ensures that the sheath can only enter along the top end of the groove ii 330 and exit along the bottom end of the groove ii 330.

The slot II 330 comprises an arc-shaped slot II 331 and a linear slot II 332, the arc-shaped slot II 331 extends to the top end of the slot II 330, the linear slot II 332 extends to the bottom end of the slot II 330, the arc-shaped slot II 331 is communicated with the linear slot II 332, and the notch II at the top end of the slot II 330 is positioned in the extending direction of the reciprocating movement of the ejector rod 810.

As shown in fig. 1-1 to 1-4 and fig. 9, the pushing device for the pin sheath in the embodiment of the present invention further includes an air blowing device 400, where the air blowing device 400 includes an air blowing pipe 410 for blowing the sheath to move downward along the groove ii 330 on the guide plate 320, and a plurality of air blowing through holes 411 facing the groove ii 330 in the guide plate 320 are disposed in the air blowing pipe 410 side by side. And the blowing pipe 410 is fixedly connected to the base plate 700 through two fixed links 420. After the blowing device 400 is started, the gas in the gas blowing pipe 410 can flow along the blowing through holes 411 and pass through the rectangular openings 512 in the first baffle 510 towards the groove II 330 in the guide plate 320, so that the groove II 330 in the guide plate 320 forms a certain rate of gas flow, and the smooth conveying of the sheath in the groove II 330 to a preset position or a position where the sheath is to be assembled is ensured. The ejector rod 810 is arranged at an inclined angle gamma with the horizontal plane, the groove II 330 is arranged at an inclined angle delta with the horizontal plane, and a mathematical relation exists between gamma and delta: gamma+delta is less than or equal to 90 DEG, wherein: 0< gamma <90 DEG and 0< delta <90 deg. The angle design forms a smooth transition structure for sheath conveying, so that the lifted sheath can be smoothly and transitionally conveyed into the groove II 330 in the guide plate 320 of the sheath guide device 300 by the groove I211 in the moving jig 210.

As shown in fig. 1-6, the sheath positioning device comprises a reference positioning plate 1100 and a rear positioning plate 1200, wherein a plurality of grooves iii 1110 are arranged on the reference positioning plate 1100 side by side, and a plurality of grooves iv 1210 are arranged on the rear positioning plate 1200 side by side; the slot III 1110 includes an arcuate slot section III 1112 and a linear slot section III 1113, the arcuate slot section III 1112 extending upwardly to a notch III 1111 at the top of the slot III 1110, the linear slot section III 1113 extending downwardly to a pin positioning clamp, and the arcuate slot section III 1112 being in communication with the linear slot section III 1113. The notch III 1111 at the top end of the groove III 1110 is an opening with a wide upper part and a narrow lower part; specifically: the notch III 1111 may be inverted splayed or circular arc open. Such a structural design facilitates smooth entry of the sheath along notch III 1111 into slot III 1110 of the sheath positioning device. When the side surface of the reference positioning plate 1100 provided with the groove iii 1110 is attached to the side surface of the rear positioning plate 1200 provided with the groove iv 1210, the grooves iii 1110 on the reference positioning plate 1100 and the corresponding grooves iv 1210 on the rear positioning plate 1200 form a plurality of jacket positioning channels with wide upper part and narrow lower part. Under the self-gravity action of the sheath, the sheath can enter the slot III 1110 from wide to narrow and is embedded at the bottom end of the slot III 1110 or penetrates the slot III 1110 to be embedded on the bottle inserting needle.

The assembling device of the bottle inserting needle in the embodiment of the invention further comprises a first driving device 1120 for driving the reference positioning plate 1100 to reciprocate and a second driving device 1230 for driving the rear positioning plate 1200 to reciprocate; the first driving device 1120 comprises a back cushion plate I1121 and an air cylinder I1122, wherein the back cushion plate I1121 is fixedly connected with the reference positioning plate 1100, the air cylinder I1122 is connected with the back cushion plate I1121 through an air cylinder push rod I arranged in the air cylinder I1122, and the reference positioning plate 1100 can reciprocate back and forth along the back and forth telescopic movement direction of the air cylinder push rod I under the driving action of the air cylinder I1122 and the air cylinder push rod I; the second driving device 1230 includes a back cushion plate ii 1231 and a cylinder ii 1232, where the back cushion plate ii 1231 is fixedly connected to the back positioning plate 1200, the cylinder ii 1232 is connected to the back cushion plate ii 1231 through a cylinder push rod ii disposed in the cylinder ii 1232, and under the driving action of the cylinder ii 1232 and the cylinder push rod ii, the back positioning plate 1200 can perform a back-and-forth reciprocating movement along the back-and-forth telescopic movement direction of the cylinder push rod ii.

The reference positioning plate 1100 is further provided with a plurality of fixing connection holes iii 1120, and the connecting piece iii is embedded in the fixing connection holes iii 1120 and fixedly connected to the backing plate i 1121; the cylinder I1122 is fixedly connected with the cylinder base fixing plate I1125 through a cylinder vertical fixing plate I1123, and a reinforcing rib plate I1124 is arranged between the cylinder vertical fixing plate I1123 and the cylinder base fixing plate I1125. A plurality of fixed connections Kong 1220 are also arranged on the rear positioning plate 1200, and the connecting piece IV is embedded in the fixed connections Kong 1220 and fixedly connected to the rear cushion plate II 1231; cylinder II 1232 is through cylinder vertical fixation board II 1233 and cylinder base fixed plate II 1235 fixed connection, installs deep floor II 1234 between cylinder vertical fixation board II 1233 and the cylinder base fixed plate II 1235 moreover.

After the first driving device 1120 and the second driving device 1230 are started, namely, after the cylinder I1122 and the cylinder II 1232 are started, the reference positioning plate 1100 and the rear positioning plate 1200 are mutually close and attached to form a plurality of sheath positioning channels with wide upper parts and narrow lower parts; or the reference positioning plate 1100 and the rear positioning plate 1200 are separated from each other toward the respective fixing bases. Wherein: after the reference positioning plate 1100 and the rear positioning plate 1200 are mutually close and attached, a plurality of sheath positioning channels with wide upper part and narrow lower part are formed, and the top end parts of a plurality of bottle inserting needles clamped and fixed on the bottle inserting needle positioning and clamping device are mainly guaranteed to be guided or positioned in the bottoms of the corresponding sheath positioning channels, so that the sheaths which are embedded from top to bottom in the sheath positioning channels can be aligned with the top end parts of the bottle inserting needles, and the sheaths are accurately embedded and inserted into the bottle inserting needles.

As shown in fig. 1-6, the positioning and clamping device for the pins comprises a first positioning plate 1300 and a second positioning plate 1400, wherein a plurality of first tooth grooves 1310 are arranged on the first positioning plate 1300 side by side, a plurality of second tooth grooves are arranged on the second positioning plate 1400 side by side, and a plurality of clamping tooth groove pairs for fixing and clamping the pins are formed by the first tooth grooves 1310 on the first positioning plate 1300 and the second tooth grooves on the second positioning plate 1400.

The plurality of clamping tooth grooves in the bottle inserting needle positioning and clamping device guide or position the top end parts of the plurality of bottle inserting needles fixed on the bottle inserting needle positioning and clamping device in the bottom of the corresponding sheath positioning channel when the reference positioning plate 1100 and the rear positioning plate 1200 are mutually close and attached to form a plurality of upper wide lower narrow sheath positioning channels.

The assembly device for the bottle inserting needle in the embodiment of the invention further comprises a pressing sheath device 600 for pressing down the sheath and clamping the sheath onto the bottle inserting needle, wherein the pressing sheath device 600 comprises a pressing plate 610, a pad pressing plate 620 and a pressing cylinder 630, the pressing plate 610 is fixedly connected to the bottom end surface of the pressing cylinder 630 through the pad pressing plate 620, and the pressing plate 610 can reciprocate up and down along the up-and-down telescopic movement direction of the pressing rod of the pressing cylinder 630 under the driving action of the pressing cylinder 630 and the pressing rod of the pressing cylinder 630 arranged in the pressing cylinder 630.

The pin positioning and clamping device can move to the lower position of the pressing sheath device 600 through the sliding rail, when the pin positioning and clamping device moves a plurality of pins nested with the sheath to the lower position of the pressing sheath device 600 through the moving sliding rail, the pressing cylinder 630 is started simultaneously, and in the downward movement process of the pressing cylinder 630 driving the pad pressing plate 620 and the pressing plate 610, the pressing plate 610 performs proper pressing action on the sheath nested on the pin, so as to ensure that the preset and stable matching connection relationship between the sheath and the pin is achieved. Then, after the sheath is pushed down, the push rod of the pushing cylinder 630 is retracted upward, and the pad pressing plate 620 and the pushing plate 610 are driven to return upward to the original positions.

The sheath guard is installed directly above or obliquely above the moving stroke of the sheath receiving device 200. The arrangement of the sheath retaining device is mainly to prevent the sheath from being separated from the groove I211 of the moving jig 210 in the process of being lifted or other operations, so that the sheath is ensured to be separated and transferred to the groove II 330 of the guide plate 320 along the groove I211 of the moving jig 210 normally.

The sheath protecting device comprises a first baffle 510 and a second baffle 502, wherein the first baffle 510 is located at an original position of the moving jig 210 (i.e. near the right end of the sheath discharging device), the second baffle 502 is located at a return position of the moving jig 210 (i.e. near the left end of the sheath discharging device), the second baffle 502 is disposed at a position right above (i.e. right above or obliquely above) the left moving stroke of the moving jig 210 during the leftward movement of the moving jig 210 and the second baffle 502 is attached to or kept in a slight gap with the upper surface of the moving jig 210, so that the sheath conveyed by the stock tank 130 can be stably embedded in the groove i 211 of the moving jig 210;

likewise, in the process of moving the moving jig 210 rightward and approaching toward its original position, the first barrier 510 is disposed at a position just above (i.e., directly above or obliquely above) the rightward movement stroke of the moving jig 210, and the first barrier 510 is attached to the upper surface of the moving jig 210 or maintains a slight gap, so that the jacket fed by the stock tank 130 can be stably inserted in the groove i 211 of the moving jig 210.

As shown in fig. 7, the first baffle 510 includes an upper flange 511, a lower flange 513, and a rectangular opening 512 formed between the upper flange 511 and the lower flange 513, and a plurality of mounting holes 514 are formed in the upper flange 511; corresponding connecting pieces are embedded in a plurality of mounting holes 514 on the upper flange 511 of the first baffle 510 and are embedded into the top end of the guide plate 320, so that the first baffle 510 and the guide plate 320 are fixedly connected.

The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.

Claims

1. The equipment for assembling the sheath and the bottle inserting needle is characterized by comprising a sheath discharging device, a sheath pushing device and an assembling device for the sheath and the bottle inserting needle, wherein the sheath discharging device comprises a sheath conveying device (100) and a sheath receiving device (200), the sheath pushing device comprises a sheath jacking device (800) and a sheath guiding device (300), the assembling device for the sheath and the bottle inserting needle comprises a sheath positioning device and a bottle inserting needle positioning clamping device, the sheath conveying device (100) is used for conveying the sheath to the sheath receiving device (200), and the sheath jacking device (800) jacks the sheath positioned on the sheath receiving device (200) into the sheath guiding device (300); the sheath in the sheath guiding device (300) is nested on the bottle inserting needle clamped and fixed in the bottle inserting needle positioning and clamping device through the sheath positioning device, the sheath conveying device (100) comprises a sheath vibrating disc (110), a sheath conveying track (120) and a stock tank (130), and the sheath vibrating disc (110) is communicated with the stock tank (130) through the sheath conveying track (120); the sheath receiving device (200) comprises a moving jig (210) for receiving the sheath, a plurality of grooves I (211) are arranged in the moving jig (210) side by side, barrier strips (213) are arranged at the bottom ends of the moving jig (210), and through holes (212) which are communicated with the grooves I (211) are respectively formed below the bottom ends of the grooves I (211) and in the barrier strips (213); the movable jig (210) can reciprocate under the drive action of the drive device (900), the sheath jacking device (800) comprises a plurality of ejector rods (810) for jacking the sheath and an ejector rod drive device for driving the ejector rods (810) to reciprocate along the extending direction of the groove I (211) in the movable jig (210), the sheath guide device (300) comprises a guide plate (320) for receiving and guiding the sheath after being jacked, a plurality of grooves II (330) for guiding the sheath are arranged in the guide plate (320) side by side, the grooves II (330) comprise an arc-shaped groove section II (331) and a linear groove section II (332), the arc-shaped groove section II (331) extends to the top end of the groove II (330), the linear groove section II (332) extends to the bottom end of the groove II (330), the arc-shaped groove section II (331) is communicated with the linear groove section II (332), the notch II at the top end of the groove II (330) is positioned in the guide plate (320) and is positioned in the reciprocating direction of the air blowing pipe (400), the blowing device (410) is arranged in the blowing device (410) and comprises a plurality of blowing devices (410), the sheath positioning device comprises a reference positioning plate (1100) and a rear positioning plate (1200), wherein a plurality of grooves III (1110) are arranged on the reference positioning plate (1100) side by side, and a plurality of grooves IV (1210) are arranged on the rear positioning plate (1200) side by side; the groove III (1110) comprises an arc-shaped groove section III (1112) and a linear groove section III (1113), the arc-shaped groove section III (1112) extends upwards to a notch III (1111) at the top end of the groove III (1110), the linear groove section III (1113) extends downwards to the bottle inserting needle positioning and clamping device, the arc-shaped groove section III (1112) is communicated with the linear groove section III (1113), and the notch III (1111) at the top end of the groove III (1110) is an opening with a wide upper part and a narrow lower part; when the side surface of the reference positioning plate (1100) provided with the groove III (1110) is attached to the side surface of the rear positioning plate (1200) provided with the groove IV (1210), the grooves III (1110) on the reference positioning plate (1100) and the corresponding grooves IV (1210) on the rear positioning plate (1200) form a plurality of jacket positioning channels with wide upper part and narrow lower part, the bottle inserting needle positioning and clamping device comprises a first positioning plate (1300) and a second positioning plate (1400), a plurality of first tooth grooves (1310) are arranged on the first positioning plate (1300) side by side, a plurality of second tooth grooves are arranged on the second positioning plate (1400) side by side, a plurality of clamping tooth groove pairs for fixedly clamping bottle inserting needles are formed by the plurality of first tooth grooves (1310) on the first positioning plate (1300) and the plurality of second tooth grooves on the second positioning plate (1400) in a corresponding manner, and the clamping tooth groove pairs are arranged in the downward extending direction of the plurality of jacket positioning channels in the jacket positioning device.

2. The apparatus for assembling a sheath and a vial needle according to claim 1, further comprising a sheath guard mounted directly above or obliquely above the sheath receiving means (200), the sheath guard including a first baffle (510), and the top end extending directions of the plurality of grooves ii (330) in the guide plate (320) being blocked by the first baffle (510).