阅读说明：本技术 一种双极板点胶工装 (Bipolar plate dispensing tool ) 是由 徐黎明 于 2020-07-20 设计创作，主要内容包括：本发明公开一种双极板点胶工装,包括底座、氢面盖框、氧面盖框以及支撑面板,底座、氢面盖框和氧面盖框的边角处均开设有同轴的滑动定位孔,滑动定位孔内置有滑动定位销,底座上装设有支撑面板,支撑面板的上表面与氢面盖框的上表面共面,氢面盖框和氧面盖框的边角处还开设有同轴的双极板定位孔,双极板定位孔位于滑动定位孔的内侧且内置有双极板定位销。基于上述,双极板的边角处开设有与双极板定位销上下滑动配合的定位孔,双极板夹设于氢面盖框和氧面盖框之间,并通过双极板与双极板定位销插配,可使双极板水平锁定在氢面盖框和氧面盖框之间,支撑面板对双极板形成稳定支撑,此时点胶时,点胶更加均匀、稳定,有助于提高双极板点胶的均一性。(The invention discloses a bipolar plate dispensing tool which comprises a base, a hydrogen surface cover frame, an oxygen surface cover frame and a support panel, wherein the corners of the base, the hydrogen surface cover frame and the oxygen surface cover frame are respectively provided with a coaxial sliding positioning hole, a sliding positioning pin is arranged in the sliding positioning hole, the base is provided with the support panel, the upper surface of the support panel is coplanar with the upper surface of the hydrogen surface cover frame, the corners of the hydrogen surface cover frame and the oxygen surface cover frame are also provided with coaxial bipolar plate positioning holes, and the bipolar plate positioning holes are positioned on the inner sides of the sliding positioning holes and are internally provided with bipolar plate positioning pins. Based on the aforesaid, bipolar plate's edge is seted up with bipolar plate locating pin about sliding fit's locating hole, bipolar plate presss from both sides and locates between hydrogen face lid frame and the oxygen face lid frame to insert through bipolar plate and bipolar plate locating pin and join in marriage, can make bipolar plate horizontal locking between hydrogen face lid frame and oxygen face lid frame, support panel forms stable support to bipolar plate, when gluing this moment, the point is glued more evenly, stably, helps improving the homogeneity that bipolar plate point was glued.)

1. The utility model provides a frock is glued to bipolar plate point, includes base (1), the upper surface of base (1) is by supreme hydrogen face lid frame (2) and the oxygen face lid frame (3) of superposing in proper order down, coaxial slide locating hole (51) have all been seted up to two at least edges of base (1), hydrogen face lid frame (2) and oxygen face lid frame (3), slide locating hole (51) embeds there is slide locating pin (52), base (1) facial make-up is equipped with supporting panel (4), the upper surface of supporting panel (4) and the upper surface coplane of hydrogen face lid frame (2), its characterized in that:

at least two corners of the hydrogen surface cover frame (2) and the oxygen surface cover frame (3) are also provided with coaxial bipolar plate positioning holes, and the bipolar plate positioning holes are positioned on the inner sides of the sliding positioning holes (51) and are internally provided with bipolar plate positioning pins.

2. The bipolar plate dispensing tool according to claim 1, wherein: the hydrogen-side cover frame (2) and the oxygen-side cover frame (3) have at least two parallel bipolar plate clamping stations (7).

3. The bipolar plate dispensing tool according to claim 2, wherein: the number of the bipolar plate clamping stations (7) is three.

4. The bipolar plate dispensing tool according to claim 2, wherein: the bipolar plate positioning pins on any bipolar plate clamping station (7) comprise large-diameter bipolar plate positioning pins (61) and small-diameter bipolar plate positioning pins (62), and the large-diameter bipolar plate positioning pins (61) and the small-diameter bipolar plate positioning pins (62) are positioned on the same diagonal of the bipolar plate clamping station (7).

5. The bipolar plate dispensing tool according to claim 2, wherein: a plurality of first grooves are uniformly formed in the lower surface of the oxygen surface cover frame (3), first magnets are embedded in the first grooves, second grooves (21) which are vertically opposite to the first grooves are formed in the upper surface of the hydrogen surface cover frame (2), and second magnets (22) which are magnetically attracted and matched with the first magnets are embedded in the second grooves (21).

6. The bipolar plate dispensing tool according to claim 2, wherein: the opposite side surfaces of the hydrogen surface cover frame (2) and the oxygen surface cover frame (3) are respectively and fixedly provided with a handle (9).

7. The bipolar plate dispensing tool according to claim 1, wherein: the inner side surface of the oxygen surface cover frame (3) is provided with a first edge part (31) matched with the dispensing track of the bipolar plate, and the inner side surface of the hydrogen surface cover frame (2) is provided with a second edge part (23) vertically superposed with the first edge part (31).

8. The bipolar plate dispensing tool according to claim 1, wherein: be equipped with dislocation prevention locating pin (82) on hydrogen face lid frame (2), set up dislocation prevention hole (81) with dislocation prevention locating pin (82) matched with on oxygen face lid frame (3).

Technical Field

The invention relates to the technical field of dispensing machine tools, in particular to a bipolar plate dispensing tool.

Background

Metal bipolar plates, also known as collector plates, are one of the important components of fuel cells. The bipolar plate has the following functions and properties: separating the fuel from the oxidant to prevent gas permeation; current is collected and conducted, and the conductivity is high; designing and processing flow channel, and uniformly distributing gas to the reaction layer of the electrode to perform electrode reaction; heat can be discharged, and the temperature field of the battery is kept uniform; corrosion resistance; impact and vibration resistance; the thickness is thin; the weight is light; meanwhile, the cost is low, the mechanical processing is easy, and the method is suitable for batch manufacturing and the like.

Metal bipolar plate belongs to fuel cell core part, and the point gum machine is glued for the specific position of bipolar plate hydrogen face and oxygen face and is done the point, and one side point is glued and is accomplished the back, carries out artifical upset back, again to the another side point glue, and the purpose of gluing is used for following the bonding between other parts, exists not enough during the point is glued to metal bipolar plate among the prior art:

1. single-chip glue dispensing can only be realized, and the manual operation needs to be carried out for one time every 3.5min, so that the time and the labor are wasted;

2. frequent feeding and discharging enables the equipment to have long waiting time, glue leakage (waste and cost increase) can occur to glue, and the glue outlet is too much gathered glue (the glue amount of the starting end is large when the glue is dispensed for the second time).

3. Because the metal bipolar plate has certain deformation in the reprocessing process, the traditional glue dispensing equipment can cause uneven glue dispensing.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a bipolar plate dispensing tool to solve at least one of the technical problems.

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

the utility model provides a frock is glued to bipolar plate point, includes the base, the upper surface of base is by supreme hydrogen face lid frame and the oxygen face lid frame of having superimposed in proper order down, coaxial slide locating hole has all been seted up to two at least edges of base, hydrogen face lid frame and oxygen face lid frame, slide locating hole embeds there is slide locating pin, the base facial make-up is equipped with support panel, support panel's upper surface and hydrogen face lid frame's upper surface coplane, coaxial bipolar plate locating hole has still been seted up to two at least edges of hydrogen face lid frame and oxygen face lid frame, the bipolar plate locating hole is located slide locating hole's inboard and embeds there is the bipolar plate locating pin.

Based on above-mentioned bipolar plate point is glued frock, bipolar plate's edge is seted up and is gone up sliding fit's locating hole with the bipolar plate locating pin, and bipolar plate presss from both sides and locates between hydrogen face lid frame and the oxygen face lid frame to insert through bipolar plate and bipolar plate locating pin and join in marriage, can make bipolar plate horizontal locking between hydrogen face lid frame and oxygen face lid frame, support panel forms stable support to bipolar plate, and when gluing this moment, the point is glued more evenly, stably, helps improving the homogeneity that bipolar plate point was glued.

As an improved technical scheme, the hydrogen face cover frame and the oxygen face cover frame are at least provided with two parallel bipolar plate clamping stations.

As an improved technical scheme, the bipolar plate clamping stations are three.

As an improved technical scheme, the bipolar plate positioning pin on any bipolar plate clamping station comprises a large-diameter bipolar plate positioning pin and a small-diameter bipolar plate positioning pin, and the large-diameter bipolar plate positioning pin and the small-diameter bipolar plate positioning pin are positioned on the same diagonal line of the bipolar plate clamping station.

As an improved technical scheme, a plurality of first grooves are uniformly formed in the lower surface of the oxygen surface cover frame, first magnets are embedded in the first grooves, second grooves which are vertically opposite to the first grooves are formed in the upper surface of the hydrogen surface cover frame, and second magnets which are matched with the first magnets in a magnetic attraction mode are embedded in the second grooves.

As an improved technical scheme, handles are fixedly arranged on the opposite side surfaces of the hydrogen surface cover frame and the oxygen surface cover frame respectively.

As an improved technical scheme, a first edge part matched with the dispensing track of the bipolar plate is arranged on the inner side surface of the oxygen surface cover frame, and a second edge part vertically overlapped with the first edge part is arranged on the inner side surface of the hydrogen surface cover frame.

As an improved technical scheme, the hydrogen surface cover frame is provided with a dislocation prevention positioning pin, and the oxygen surface cover frame is provided with a dislocation prevention hole matched with the dislocation prevention positioning pin.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic perspective view of a bipolar plate dispensing tool structure according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

reference numerals: the device comprises a base 1, a hydrogen cover frame 2, an oxygen cover frame 3, a support panel 4, a sliding positioning hole 51, a sliding positioning pin 52, a large-diameter bipolar plate positioning pin 61, a small-diameter bipolar plate positioning pin 62, a bipolar plate clamping station 7, a dislocation prevention hole 81, a dislocation prevention positioning pin 82 and a handle 9.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms than those herein described and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to," "disposed on," or "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, a bipolar plate dispensing tool includes a base 1, a hydrogen cover frame 2, an oxygen cover frame 3, and a support panel 4.

Specifically, the oxygen face cover frame 3 and the hydrogen face cover frame 2 are sequentially stacked on the upper surface of the base 1 from top to bottom, at least two corners of the base 1, the hydrogen face cover frame 2 and the oxygen face cover frame 3 are provided with coaxial sliding positioning holes 51, the sliding positioning holes 51 are internally provided with sliding positioning pins 52, the base 1 is provided with a supporting panel 4, the upper surface of the supporting panel 4 is coplanar with the upper surface of the hydrogen face cover frame 2, at least two corners of the hydrogen face cover frame 2 and the oxygen face cover frame 3 are also provided with coaxial bipolar plate positioning holes, and the bipolar plate positioning holes are positioned on the inner side of the sliding positioning holes 51 and internally provided with bipolar plate positioning pins.

Based on above-mentioned bipolar plate point is glued frock, bipolar plate's edge is seted up with bipolar plate locating pin about sliding fit's locating hole, bipolar plate presss from both sides and is located between hydrogen face lid frame 2 and the oxygen face lid frame 3 to insert through bipolar plate and bipolar plate locating pin and join in marriage, can make bipolar plate horizontal locking cover between frame 2 and the oxygen face lid frame 3, support panel 4 forms stable support to bipolar plate, when gluing this moment, the point is glued more evenly, stably, helps improving the homogeneity that bipolar plate point was glued.

In this embodiment, at least two bipolar plate clamping stations 7 arranged in parallel are formed between the hydrogen cover frame 2 and the oxygen cover frame 3, preferably, there are three bipolar plate clamping stations 7, and by increasing the number of the bipolar plate clamping stations 7, the dispensing time of a single bipolar plate can be shortened, the turning times and the feeding times are reduced, and the dispensing efficiency is comprehensively improved.

In this embodiment, the bipolar plate positioning pins on any bipolar plate clamping station 7 include a large-diameter bipolar plate positioning pin 61 and a small-diameter bipolar plate positioning pin 62, the large-diameter bipolar plate positioning pin 61 and the small-diameter bipolar plate positioning pin 62 are located on the same diagonal of the bipolar plate clamping station 7, the large-diameter bipolar plate positioning pin 61 and the small-diameter bipolar plate positioning pin 62 are arranged to be matched with the positioning holes on the bipolar plate, and the positioning holes with different diameters are formed in the bipolar plate to facilitate operators to quickly identify the installation direction of the bipolar plate.

Preferably, the slide positioning hole 51 on the base 1 is a threaded through hole, the slide positioning holes 51 of the hydrogen cover frame 2 and the oxygen cover frame 3 can be through holes, when in use, the slide positioning pin 52 can be inserted into a preset hole of the linear driver moving part after being screwed through the threaded through hole, and the slide positioning pin 52 is in clearance fit with the slide positioning holes 51 of the hydrogen cover frame 2 and the oxygen cover frame 3. This helps the worker to quickly attach and detach the tool to and from the moving part of the linear actuator.

As shown in fig. 2, a plurality of first grooves (not shown in the figure) are uniformly formed in the lower surface of the oxygen surface cover frame 3, a first magnet (not shown in the figure) is embedded in the first grooves, a second groove 21 which is vertically opposite to the first grooves is formed in the upper surface of the hydrogen surface cover frame 2, and a second magnet 22 which is magnetically matched with the first magnet is embedded in the second groove 21.

In this embodiment, the first through-hole of wearing to establish oxygen face lid frame 3 is seted up to first recess, the second through-hole of wearing to establish hydrogen face lid frame 2 is seted up to second recess 21, first magnet inlays the dress in first recess through the screw of wearing to establish first through-hole, second magnet 22 inlays the dress in second recess 21 through the screw of wearing to establish the second through-hole, can make oxygen face lid frame 3 and hydrogen face lid frame 2 magnetism inhale the connection through setting up first magnet and second magnet 22, the staff of being convenient for like this with oxygen face lid frame 3, hydrogen face lid frame 2 combines fast or the separation.

In this embodiment, hydrogen face lid frame 2 and the relative side of oxygen face lid frame 3 have set firmly respectively handle 9, set up handle 9 and be convenient for the staff and take hydrogen face lid frame 2 and oxygen face lid frame 3 fast, help shortening the point and glue the upset time.

In the embodiment, the inner side surface of the oxygen surface cover frame 3 is provided with a first edge portion 31 matched with the glue dispensing track of the bipolar plate, the inner side surface of the hydrogen surface cover frame 2 is provided with a second edge portion 23 vertically overlapped with the first edge portion 31, and the shapes of the first edge portion 31 and the second edge portion 23 are processed according to the glue dispensing track of the bipolar plate, so that the glue dispensing precision is improved.

In this embodiment, the hydrogen cover frame 2 is provided with the anti-dislocation positioning pin 82, the oxygen cover frame 3 is provided with two anti-dislocation holes 81 matched with the anti-dislocation positioning pin 82, and the two anti-dislocation holes 81 are preferably arranged at two ends of one side of the hydrogen cover frame 2, and the anti-dislocation positioning pin 82 and the anti-dislocation hole 81 are arranged to facilitate the rapid alignment of the hydrogen cover frame 2 and the hydrogen cover frame 2.

The bipolar plate dispensing tool provided by the embodiment can reduce the labor cost of at least 1/2 and can improve the production efficiency by 40 percent.

Specifically, in the prior art, the dispensing time of a single bipolar plate is 2min, the manual turning time is 0.5min, the time for installing the bipolar plate is 1min, and the turning times are 17 pieces/h, so that 17 pieces of bipolar plates can be dispensed in one hour.

According to the bipolar plate glue dispensing tool provided by the embodiment, the continuous glue dispensing time of three bipolar plates is 4.5min, the manual turnover time is 0.5min, the time for installing the bipolar plates is 1.5min, and the turnover frequency is 8 pieces/h, so that glue dispensing can be performed on 24 bipolar plates in one hour.

In the dispensing process, the waiting time of the dispensing machine is shortened, the glue gathering amount of a glue outlet of the dispensing machine is reduced, multiple pieces of glue are dispensed to facilitate the uniformity of glue, the problem of glue leakage is reduced, and in addition, one worker can simultaneously control two dispensing machines to work.