Auxiliary tool for battery cell to penetrate through plate

Abstract

The utility model discloses an auxiliary tool for a battery cell to penetrate through a plate, and particularly relates to the field of lithium battery processing. The PCB supporting piece is arranged on the side face of the bottom plate and comprises a PCB supporting and fixing plate, and a clamping face is arranged in the PCB supporting and fixing plate and used for clamping a PCB; the tab separating part comprises a tab movable comb which is vertically and slidably connected with the sliding groove, a space for containing a PCB is reserved between the PCB supporting and fixing plate and the tab movable comb, the tab movable comb comprises a plurality of comb teeth, the comb teeth are used for separating tabs of adjacent battery cells, a plurality of tab penetrating holes are formed in the PCB supporting and fixing plate in a penetrating mode, and the tab penetrating holes are communicated with the PCB supporting and fixing plate. According to the scheme, it is guaranteed that the PCB is always in an upright state, meanwhile, the tabs between the adjacent battery cells are separated through the tab movable comb, the tab penetrating holes formed in the PCB supporting and fixing plate can run single tabs to be turned over and then welded, the welding efficiency is improved, and the welding quality is improved. The accidental lap joint of the tabs in the later welding process is avoided, the insulation protection of the tabs is realized, and the welding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lithium battery processing, more specifically, the utility model relates to a kind of auxiliary tool of battery cell plate insertion. BACKGROUND

[0002] Battery cell plate insertion procedure refers to the process step that structure parts such as battery module assembly process, PCB board and the like are fixed together by welding or other connection mode.

[0003] The existing tooling is only used to support PCB board, after standing up PCB board, move battery cell to specified position for welding, to weld battery cell to PCB board, this operation mode does not separate the pole lug between battery cell, causing pole lug to exist unexpected lap joint in welding process, and the danger of short circuit is caused. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the embodiment of the utility model provides a kind of auxiliary tool of battery cell plate insertion, and the technical problems to be solved by the utility model are: how to improve the splicing efficiency between battery cell module and PCB board by tooling assembly, reduce risk.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of auxiliary tool of battery cell plate insertion, including bottom plate;PCB support, it is located at the side of bottom plate, including the PCB support fixed plate of inner set joint surface for jointing PCB board;Pole lug separating piece, including and the vertical sliding connection of slide groove pole lug movable comb, the space of accommodating PCB board is reserved between PCB support fixed plate and pole lug movable comb, pole lug movable comb includes several comb teeth, and comb tooth is used to separate the pole lug of adjacent battery cell.

[0006] In a preferred embodiment, the pole lug separating piece further includes a movable pin and a hovering slot, the movable pin transversely penetrates the side wall of the PCB support fixed plate, the movable pin and the PCB support fixed plate are connected by a spring, the side surface of the pole lug movable comb is provided with a hovering slot matching the end surface of the movable pin, and the movable pin is located on the movement path of the hovering slot.

[0007] In a preferred embodiment, a U-shaped slot is formed in the PCB support fixed plate, and the pole lug movable comb is vertically slidably arranged in the U-shaped slot, the side surface of the pole lug movable comb is outwardly arched to form a circular chamfer, and the circular chamfer is in contact with the inner wall of the U-shaped slot.

[0008] In a preferred embodiment, a plurality of pole lug through holes are formed in the PCB support fixed plate, the pole lug through holes are used to accommodate the pole lug of the corresponding battery cell penetrating the PCB board, and the side wall of adjacent pole lug through holes is raised to form a pole lug retaining wall.

[0009] In a preferred embodiment, the height of the pole lug retaining wall is within ±3mm of the height of the battery cell pole lug.

[0010] In a preferred embodiment, the PCB support further comprises a sliding groove and a sliding rail, the sliding groove is opened in the bottom plate, the sliding rail is connected in the sliding groove, and the PCB support fixing plate and the sliding rail are slidingly connected.

[0011] In a preferred embodiment, a bump bead is embedded in the bottom plate, a limiting groove is opened in the side wall of the PCB support fixing plate, and the movable spherical head of the bump bead is used to form a clamping fit with the limiting groove, and the spherical head is located on the moving path of the clamping groove.

[0012] In a preferred embodiment, handles are arranged on the left and right sides of the PCB support fixing plate.

[0013] In a preferred embodiment, the bottom plate comprises a bearing plate and a clamp clamping groove, the upper end surface of the bearing plate is used to support the battery cell, and the clamp clamping groove is opened in the sunken upper end surface of the bearing plate.

[0014] In a preferred embodiment, a rubber bonding avoidance step is opened in the sunken upper end surface of the bearing plate, and the position of the rubber bonding avoidance step corresponds to the position of the adhesive tape used to bind the battery cell.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] The scheme of the application ensures that the PCB is always in a standing state, separates the tabs between adjacent battery cells through the movable tab comb, and enables the tab perforation opened on the PCB support fixing plate to run after the single tab is folded and welded, thereby avoiding accidental lapping of the tabs during the later welding process, achieving insulation protection of the tabs, and improving the welding efficiency. DRAWINGS

[0017] The drawings are used to provide a further understanding of the technical scheme of the utility model, and form a part of the utility model. The embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute an improper limitation on the utility model.

[0018] Figure 1 It is a structure diagram of the battery cell plate-penetrating auxiliary tool of the utility model.

[0019] Figure 2 It is Figure 1 It is an enlarged view of A in the middle.

[0020] Figure 3 It is a structure diagram of the back of the PCB support fixing plate in the utility model.

[0021] Figure 4 It is a structure diagram of the front of the PCB support fixing plate with the embedded PCB in the utility model.

[0022] Figure 5The utility model discloses a structure diagram of the movable comb of the pole lug which is attached to the PCB.

[0023] The figure mark is: 1, bottom plate, 11, bearing plate, 12, clamp clamping groove, 13, adhesive avoiding step, 2, PCB support piece, 21, sliding slot, 22, PCB support fixed plate, 23, sliding rail, 24, bumping bead, 3, pole lug separating piece, 31, movable comb of pole lug, 32, movable pin, 33, round chamfer, 34, hovering groove. DETAILED DESCRIPTION

[0024] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations may, however, be implemented in many different forms and should not be construed as limited to the examples set forth herein; rather, these example implementations are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example implementations to those skilled in the art. Accompanying drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and serve to explain the principles of the present disclosure. Features shown in the drawings are not necessarily drawn to scale.

[0025] In addition, the described features, structures, or characteristics can be combined in any suitable manner in one or more example implementations. In the following description, numerous specific details are provided to give a thorough understanding of example implementations of the present disclosure. One skilled in the relevant art will recognize, however, that the

[0026] EMBODIMENTS

[0027] As Figures 1-5 An electric core penetrating plate auxiliary tool generally includes a bottom plate 1, a PCB support piece 2, and a pole lug separating piece 3.

[0028] The bottom plate 1 serves as a bottom support and is placed on a tooling table. The bottom of the bottom plate 1 has been leveled and calibrated before use. The electric core is placed on the bottom plate 1.

[0029] The bottom plate 1 includes a bearing plate 11, a clamp clamping groove 12, and an adhesive avoiding step 13. The bottom of the bearing plate 11 is leveled in advance. The upper end of the bearing plate 11 is recessed downward to form the clamp clamping groove 12 and the adhesive avoiding step 13. The clamp clamping groove 12 and the adhesive avoiding step 13 are adjacent but connected. The clamp clamping groove 12 facilitates hoisting and transporting the electric core with a hoisting tool. The adhesive avoiding step 13 is a sunken step groove with a width of 30 mm, which is used for distance setting and avoiding adhesive tape wrapped around the periphery of the electric core. The adhesive tape is used to fix a plurality of electric cores to combine the plurality of electric cores into a large electric core module.

[0030] The PCB support 2 comprises a sliding groove 21, a PCB support fixing plate 22 and a sliding rail 23, the sliding groove 21 is formed in the inner top surface of the side of the bearing plate 11, the sliding rail 23 is detachably connected in the sliding groove 21 by screws, the PCB support fixing plate 22 is slidingly connected with the sliding rail 23, and the PCB support fixing plate 22 can slide forward and backward in the sliding groove 21 through the sliding rail 23, so as to push the battery cell on the bottom plate 1 when necessary.

[0031] Preferably, the inner surface of the PCB support fixing plate 22 can be clamped with the edge of the PCB to be welded, so as to improve the stability of the placement of the PCB.

[0032] Preferably, handles for hand holding are fixed on the left and right sides of the PCB support fixing plate 22, so as to facilitate the user to push and pull by leverage.

[0033] Further, the PCB support fixing plate 22 is provided with a plurality of tab through holes, the tabs of the battery cell pass through the corresponding tab through holes, the side wall of the tab through hole is a tab blocking wall, and two adjacent tab through holes can share one tab blocking wall.

[0034] Preferably, the height of the tab blocking wall on the PCB support fixing plate 22 is controlled to be greater than or equal to the exposed height of the tab minus 3mm and less than or equal to the exposed height of the tab plus 3mm, so as to avoid short circuit and sparking caused by unequal potential tab overlap during the process of penetrating the plate and tab folding, and the single potential pad is independently separated by the tool.

[0035] Further, a limiting hole is formed in the bearing plate 11, and a bump bead 24 is additionally provided, the bump bead 24 comprises a column body and a spherical head, the column body is connected to the inside of the limiting hole, the spherical head and the column body are elastically and slidingly connected, the spherical head can be extended or retracted at the end of the column body, a limiting groove is formed in the side wall of the PCB support fixing plate 22, and the limiting groove and the spherical head are clamped at the specified position when the PCB support fixing plate 22 slides in the sliding groove 21, so as to fix the PCB support fixing plate 22.

[0036] The tab separating piece 3 comprises a tab movable comb 31, a movable pin 32, a circular chamfer 33 and a hovering groove 34, a U-shaped groove is formed in the PCB support fixing plate 22, the tab movable comb 31 is vertically and slidingly arranged in the U-shaped groove, the hovering groove 34 in the form of a concave spherical surface is formed at the bottom of the tab movable comb 31, and the movable pin 32 is transversely and elastically and slidingly connected to the PCB support fixing plate 22, when the tab movable comb 31 moves upward and the end of the movable pin 32 is attached to the hovering groove 34, the movable pin 32 and the hovering groove 34 are clamped and can fix the position of the tab movable comb 31, when it is needed to move the tab movable comb 31 downward, the tab movable comb 31 is pressed, and the extrusion of the tab movable comb 31 will drive the movable pin 32 to move outward against the elastic force.

[0037] Preferably, the bottom of the tab movable comb 31 is provided with an outwardly arched round chamfer 33, which can avoid the tab movable comb 31 from being stuck due to tilting when the round chamfer 33 slides with the inner wall of the U-shaped groove.

[0038] In use, the present application has the following steps:

[0039] S1: pull up the tab movable comb 31, when the movable pin 32 and the hovering groove 34 are engaged, the tab movable comb 31 can be hovered, at this time, the PCB board is attached to the inner surface of the PCB support fixed plate 22, and then the tab movable comb 31 is pressed to the bottom, so that the PCB board is placed between the PCB support fixed plate 22 and the tab movable comb 31.

[0040] S2: place the battery cell on the bearing plate 11, and then pass the tab of the battery cell through the comb gap of the tab movable comb 31, the tab hole of the PCB support fixed plate 22 and the PCB board in sequence, and then bundle the battery cells with adhesive tape to form a battery cell module.

[0041] S3: weld the connection between the folded tab and the PCB board.

[0042] S4: after welding, pull up the tab movable comb 31 and make it hover, and then push the PCB support fixed plate 22, so that the PCB support fixed plate 22 slides in the sliding groove 21, and the connected battery cell module and PCB board are pushed out to separate from the tooling.

[0043] S5: if moving, use a crane to hoist the tooling.

[0044] The present application has the following technical advantages: the present application ensures that the PCB board is always in an upright state, separates the tabs between adjacent battery cells through the tab movable comb 31, and opens the tab hole on the PCB support fixed plate 22 to run a single tab after folding and welding, so as to avoid accidental lapping of the tab in the later welding process, realize the insulation protection of the tab, and improve the welding efficiency.

[0045] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without deviating from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above figures and description are illustrative in nature and should not be understood as limiting the scope of protection of the present application.

[0046] Finally should be explained a few points are: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0047] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0048] Finally: the above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A cell insertion auxiliary tooling, characterized in that, The utility model relates to a kind of battery cell PCB support device, including: Base plate (1); PCB support (2) is located at the side of base plate (1), including PCB support fixed plate (22) with inner set joint surface is used to joint PCB board; Tab separating piece (3), including and vertical sliding connection of slide groove (21) tab movable comb (31), PCB support fixed plate (22) and tab movable comb (31) between reserved space for accommodating PCB board, tab movable comb (31) includes several comb teeth, comb tooth is used to separate the tab of adjacent battery cell.

2. The cell plate-piercing auxiliary tool according to claim 1, wherein The tab separating piece (3) further includes movable pin (32) and hovering groove (34), movable pin (32) transversely penetrates the side wall of PCB support fixed plate (22), movable pin (32) and PCB support fixed plate (22) are connected by spring, the bottom of the side of tab movable comb (31) is provided with hovering groove (34) that matches the end surface of movable pin (32), and movable pin (32) is located on the movement path of hovering groove (34).

3. The cell plate-piercing auxiliary tool according to claim 1, wherein The U-shaped groove is provided in the PCB support fixed plate (22), and the tab movable comb (31) is vertically slidably arranged in the U-shaped groove.

4. The cell plate-piercing auxiliary tool according to claim 1, wherein The PCB support fixed plate (22) is provided with a plurality of tab perforations penetrating through, and the tab perforations are used to accommodate the tabs of corresponding battery cells penetrating through the PCB board.

5. The cell plate-piercing auxiliary tool according to claim 4, wherein The height of the tab retaining wall is within ±3mm of the height of the battery cell tab.

6. The cell plate-piercing auxiliary tool according to claim 1, wherein The PCB support (2) further includes slide groove (21) and slide rail (23), the slide groove (21) is provided in the base plate (1), the slide rail (23) is connected in the slide groove (21), and the PCB support fixed plate (22) and the slide rail (23) are slidably connected.

7. The cell plate-piercing auxiliary tool according to claim 6, wherein The base plate (1) is embedded with a bump bead (24), and the side wall of the PCB support fixed plate (22) is provided with a limiting groove.

8. The cell plate-piercing auxiliary tool according to claim 1, wherein The left and right sides of the PCB support fixed plate (22) are provided with handles.

9. The cell plate-piercing auxiliary tool according to claim 1, wherein The base plate (1) includes a bearing plate (11) and a clamp slot (12), and the upper end surface of the bearing plate (11) is used to support the battery cell.

10. The cell plate-piercing auxiliary tool according to claim 9, wherein The upper end surface of the bearing plate (11) is sunken to provide a tape avoiding step (13), and the position of the tape avoiding step (13) corresponds to the position of the adhesive tape used for binding the battery cell.

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