CN213042924U

CN213042924U - Screen printing device for bonding bipolar plates of fuel cell

Info

Publication number: CN213042924U
Application number: CN202021643082.9U
Authority: CN
Inventors: 杨青龙; 郭桂华; 葛荣军; 杨波
Original assignee: Wuhan Himalaya Photoelectric Technology Co ltd
Current assignee: Wuhan Himalaya Photoelectric Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-04-23
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a screen printing device for bonding of fuel cell bipolar plate, including base, polar plate positioning jig, horizontal migration mechanism, elevating system, centre gripping subassembly and silk screen printing otter board, polar plate positioning jig level is established on the base, silk screen printing otter board level sets up polar plate positioning jig's top, and with the connection can be dismantled to the centre gripping subassembly, the centre gripping subassembly with the transmission of horizontal migration mechanism is connected, horizontal migration mechanism is in with the setting on the base the elevating system transmission is connected. The utility model provides a but brush screen printing device that is used for fuel cell bipolar plate to bond of gluing fast.

Description

Screen printing device for bonding bipolar plates of fuel cell

Technical Field

The utility model relates to a fuel cell processing equipment field. More specifically, the present invention relates to a screen printing apparatus for bonding a bipolar plate of a fuel cell.

Background

The bipolar plate is a core component of the fuel cell and is formed by bonding an anode plate and a cathode plate. At present, the glue dispensing process is generally adopted in the industry during batch bonding, and the process has the following defects at present:

1. the track of the carbon plate sealing glue groove is complicated and repeated, and the dispensing process consumes a long time.

2. At present, the glue dispensing equipment is less in glue type influenced by the glue dispensing equipment, the price of the glue dispensing equipment is high, and the glue dispensing cost is greatly improved. And is easy to be polluted by environment, the bonding yield is seriously influenced, and in addition, the quality guarantee period is short, and the mass storage is not facilitated.

3. The glue dispenser equipment is complicated, long-term and heavy maintenance is needed to ensure the equipment performance and reliability, and a great deal of labor and time are consumed by staff.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a but quick brush is glued is used for screen printing device that fuel cell bipolar plate bonds

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a screen printing device for bonding of fuel cell bipolar plate, includes base, polar plate positioning jig, horizontal migration mechanism, elevating system, centre gripping subassembly and silk screen net board, polar plate positioning jig level is established on the base, silk screen net board level sets up polar plate positioning jig's top, and with the connection can be dismantled to the centre gripping subassembly, the centre gripping subassembly with the transmission of horizontal migration mechanism is connected, horizontal migration mechanism is in with the setting on the base the elevating system transmission is connected.

Preferably, in the screen printing device for bonding the fuel cell bipolar plate, the clamping assembly comprises two clamping pieces which are arranged at left and right intervals, the two clamping pieces are in transmission connection with the horizontal moving mechanism, the horizontal moving mechanism drives the two clamping pieces to be close to or far away from each other, and the left end and the right end of the screen printing screen plate are detachably connected with the two clamping pieces respectively.

Preferably, in the screen printing device for bonding the fuel cell bipolar plate, the clamping pieces comprise clamping piece bodies and positioning assemblies, through grooves are formed in the front and back directions of the two ends, close to each other, of the two clamping piece bodies, the left end and the right end of the screen printing screen plate respectively extend into the two through grooves, and the two ends of the screen printing screen plate are connected and fixed with the corresponding clamping piece bodies through the positioning assemblies.

Preferably, in the screen printing device for bonding the fuel cell bipolar plate, the positioning assembly comprises a plurality of vertically arranged first bolts, a plurality of first threaded through holes which are equal in number and in one-to-one correspondence with the first bolts are arranged on the top wall of the through groove at intervals, the first bolts are all installed in the corresponding first threaded through holes in a threaded manner, and a disc is coaxially arranged at the lower ends of the first bolts.

Preferably, in the screen printing apparatus for bonding a bipolar plate of a fuel cell, the horizontal movement mechanism includes a horizontally disposed cross member, the lower end of one end of the beam close to the clamping piece body is horizontally provided with a strip-shaped guide rail arranged along the left-right direction, a strip-shaped groove is arranged in the middle of the guide rail along the left-right direction, a slide block arranged along the left-right direction is vertically arranged at one end of the upper end of the clamping piece body close to the cross beam, one end of the sliding block close to the cross beam is provided with a notch matched with the guide rail, the sliding block is arranged on the guide rail in a sliding way through the notch, be equipped with second screw thread through-hole along the fore-and-aft direction on the inner wall of breach, corresponding second bolt is installed to equal screw thread in the second screw thread through-hole, screws up second bolt to its with the diapire in bar groove is contradicted and can be with the slider is fixed on the guide rail.

Preferably, the screen printing device for bonding the fuel cell bipolar plate comprises two support rods and a telescopic cylinder, wherein the two support rods are vertically arranged on the base, through holes are vertically formed in the left end and the right end of the upper end of the cross beam, the two support rods respectively penetrate through the two through holes and are slidably attached to the inner walls of the corresponding through holes, a cylinder body of the telescopic cylinder is arranged on the base, and a telescopic rod of the telescopic cylinder is vertically arranged and is connected with the middle of the lower end of the cross beam.

The utility model has the advantages that:

1. the glue brushing speed is high, the speed is improved by 30 percent relative to the glue dispensing process, and the speed is not influenced by the complexity of a glue groove.

2. The silk-screen printing process can select glue with a wide range, and can adopt the glue with high quality and low price, thereby being beneficial to improving the yield of products and reducing the production cost.

3. The equipment structure is relatively simple, easy to maintain, and greatly saves time and energy.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a screen printing apparatus according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

FIG. 1 is a screen printing device for bonding a fuel cell bipolar plate provided by an embodiment of the present invention, which comprises a base 1, a polar plate positioning jig 2, a horizontal moving mechanism, a lifting mechanism, a clamping assembly and a screen printing plate 3, wherein the screen track of the screen printing plate 3 is matched with a glue slot on a cathode plate, the polar plate positioning jig 2 is horizontally arranged on the base 1, the screen printing plate 3 is horizontally arranged above the polar plate positioning jig 2 and detachably connected with the clamping assembly, the clamping assembly is in transmission connection with the horizontal moving mechanism, the horizontal moving mechanism is in transmission connection with the lifting mechanism arranged on the base 1, the clamping assembly comprises two clamping pieces arranged at left and right intervals, the two clamping pieces are in transmission connection with the horizontal moving mechanism, the horizontal moving mechanism drives the two clamping pieces to be close to or far away from each other, the left end and the right end of the screen printing screen plate 3 are detachably connected with the two clamping pieces respectively, each clamping piece comprises a clamping piece body 4 and a positioning assembly, one end, close to each other, of each clamping piece body 4 is provided with a through groove along the front-back direction, the left end and the right end of the screen printing screen plate 3 extend into the two through grooves respectively and are connected and fixed with the corresponding clamping piece bodies 4 through the positioning assemblies, each positioning assembly comprises a plurality of vertically arranged first bolts 5, a plurality of first threaded through holes which are equal in number to the first bolts 5 and correspond to the first bolts 5 one by one are arranged on the top wall of each through groove at intervals, the first bolts 5 are installed in the corresponding first threaded through holes in a threaded mode, and the lower ends of the first bolts are coaxially provided with a disc 6; the horizontal moving mechanism comprises a horizontal beam 7, the horizontal beam 7 is arranged horizontally, a guide rail which is long in strip shape and is arranged along the left and right directions is horizontally arranged at the lower end of one end, close to the clamping piece body 4, of the beam 7, a strip-shaped groove 9 is arranged at the middle part of the guide rail along the left and right directions, a sliding block 10 which is arranged along the left and right directions is vertically arranged at one end, close to the beam 7, of the clamping piece body 4, the sliding block 10 is arranged at one end, close to the beam 7, of the guide rail in a matched mode, the sliding block 10 is arranged on the guide rail in a sliding mode through the notch, second thread through holes are formed in the inner wall of the notch along the front and back directions, corresponding second bolts 11 are installed in the second thread through holes in a threaded mode, the second bolts 11 are screwed tightly, the sliding block 10 can be fixed on the guide rail due to the fact that the, two the equal vertical setting of bracing piece 12 is in on the base 1, the equal vertical through-hole that is equipped with in both ends about the upper end of crossbeam 7, two bracing piece 12 runs through two respectively the through-hole to with correspond the laminating of the inner wall slidable of through-hole, the cylinder body setting of telescoping cylinder 13 is in on the base 1, the vertical setting of its telescopic link, and with the lower extreme middle part of crossbeam 7 is connected.

In this embodiment, the specific operation flow of bonding the fuel cell bipolar plate by the screen printing device is as follows:

1. placing the cathode plate on the upper end of the polar plate positioning jig 2, and driving the horizontal moving mechanism, the clamping assembly and the silk screen plate 3 to move downwards by the lifting mechanism so that the silk screen plate 3 moves to the position above the cathode plate; the polar plate positioning jig 2 can be easily realized by adopting the prior art, and the details are not described here;

2. two ends of a screen printing screen plate 3 respectively extend into through grooves of clamping piece bodies 4, the positions of the two clamping piece bodies 4 and the screen printing screen plate 3 are adjusted and corrected through a horizontal moving mechanism, so that the screen plate track is aligned to a cathode plate glue groove, then a plurality of first bolts 5 on the clamping piece bodies 4 are screwed, and the fixed screen plate is firmly fixed on a clamping piece;

3. and pouring glue on the screen printing screen plate 3, and smearing the glue back and forth once by using a scraper so that the glue is completely and uniformly adhered to the negative plate cooling liquid sealing glue groove.

4. The lifting mechanism drives the horizontal moving mechanism, the clamping assembly and the screen printing screen plate 3 to move upwards, after the screen printing screen plate 3 is lifted, the cathode plate is taken out to be adhered to the corresponding anode plate, and a new cathode plate is placed on the upper end of the polar plate positioning jig 2 to carry out the next operation.

5. And (4) repeatedly carrying out the step (4) until all the negative plates are brushed with glue, scraping residual glue by using a scraper, wiping the silk screen plate 3 by using dust-free paper and alcohol, and finally taking down the silk screen plate 3 for storage.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields suitable for the invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and embodiments shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. The utility model provides a screen printing device for bonding of fuel cell bipolar plate, its characterized in that, includes base (1), polar plate positioning jig (2), horizontal migration mechanism, elevating system, centre gripping subassembly and silk screen printing otter board (3), polar plate positioning jig (2) level is established on base (1), silk screen printing otter board (3) level sets up the top of polar plate positioning jig (2), and with the connection can be dismantled to the centre gripping subassembly, the centre gripping subassembly with the transmission of horizontal migration mechanism is connected, horizontal migration mechanism is in with the setting on base (1) the elevating system transmission is connected.

2. The screen printing device for bonding the bipolar plate of the fuel cell as claimed in claim 1, wherein the clamping assembly comprises two clamping members which are arranged at a distance from each other, the two clamping members are in transmission connection with the horizontal moving mechanism, the horizontal moving mechanism drives the two clamping members to move close to or away from each other, and the left end and the right end of the screen printing screen plate (3) are respectively detachably connected with the two clamping members.

3. The screen printing device for bonding the bipolar plate of the fuel cell as claimed in claim 2, wherein the clamping member comprises clamping member bodies (4) and a positioning assembly, one end of each of the two clamping member bodies (4) close to each other is provided with a through groove along the front-back direction, and the left end and the right end of the screen printing screen plate (3) respectively extend into the two through grooves and are fixedly connected with the corresponding clamping member bodies (4) through the positioning assembly.

4. A screen printing device for bonding a fuel cell bipolar plate according to claim 3, wherein the positioning assembly comprises a plurality of vertically arranged first bolts (5), a plurality of first threaded through holes which are equal in number and correspond to the first bolts (5) are arranged on the top wall of the through groove at intervals, the first bolts (5) are all installed in the corresponding first threaded through holes in a threaded manner, and a disc (6) is coaxially arranged at the lower end of each first bolt.

5. The screen printing apparatus for bonding a fuel cell bipolar plate according to any one of claims 2 to 4, wherein the horizontal moving mechanism comprises a horizontally arranged cross beam (7), the lower end of the cross beam (7) near one end of the clamping member body (4) is horizontally provided with an elongated guide rail (8) arranged in the left-right direction, the middle part of the guide rail is provided with a strip-shaped groove (9) in the left-right direction, the upper end of the clamping member body (4) near one end of the cross beam (7) is vertically provided with a slide block (10) arranged in the left-right direction, one end of the slide block (10) near the cross beam (7) is provided with a notch matched with the guide rail, the slide block (10) is slidably arranged on the guide rail through the notch, and the inner wall of the notch is provided with a second threaded through hole in the front-back direction, corresponding second bolts (11) are installed in the second threaded through holes in a threaded mode, and the second bolts (11) are screwed down to be abutted to the bottom wall of the strip-shaped groove (9) so that the sliding block (10) can be fixed on the guide rail.

6. The screen printing device for bonding the bipolar plate of the fuel cell as claimed in claim 5, wherein the lifting mechanism comprises two support rods (12) and a telescopic cylinder (13), the two support rods (12) are vertically arranged on the base (1), the left end and the right end of the upper end of the cross beam (7) are vertically provided with through holes, the two support rods (12) respectively penetrate through the two through holes and are slidably attached to the inner walls of the corresponding through holes, the cylinder body of the telescopic cylinder (13) is arranged on the base (1), and the telescopic rod of the telescopic cylinder is vertically arranged and is connected with the middle part of the lower end of the cross beam (7).