CN218556807U

CN218556807U - Clamp for battery cell tray and battery cell jig adopting clamp

Info

Publication number: CN218556807U
Application number: CN202222660203.6U
Authority: CN
Inventors: 王永新; 丁涛; 荣青; 王银华; 祖向军
Original assignee: Tianyong Lithium Technology Dongguan Co ltd
Current assignee: Tianyong Lithium Technology Dongguan Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-03
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a clamp of an electric core tray, which relates to the field of lithium battery manufacturing and comprises a bottom plate, a clamping device and a guide rod, wherein the clamping device and the guide rod are arranged on the bottom plate; the connecting rod assembly comprises a fixed rod fixed on the top shaft and movable rods which are arranged on two sides of the fixed rod and are hinged with the fixed rod, the other ends of the two movable rods are hinged with the first clamping block, the guide rod is fixed on the first clamping block, fixing holes are formed in two sides of the bottom plate, the guide rod slides in the fixing holes, and the sliding direction of the guide rod is perpendicular to the movement direction of the top shaft; the utility model provides an among the prior art lithium cell clamp with high costs, technical problem that production efficiency is low.

Description

Anchor clamps of electricity core tray and adopt electric core tool of this anchor clamps

Technical Field

The utility model relates to a lithium cell makes technical field, especially relates to an electric core tray's anchor clamps and adopt electric core tool of this anchor clamps.

Background

The lithium battery always needs accurate positioning and clamping in the manufacturing process, but generally at least two air cylinders are needed, and the air cylinders are used for driving the X-axis and the Y-axis to move, so that the positioning and the clamping are realized. However, the positioning and clamping manner has high cost, and the clamping force is not flexible enough, so that the battery cell is easy to damage; some clamping devices adopt manual clamping, but the problem of low clamping precision easily exists due to human errors, a large amount of labor is also needed, the production efficiency is low, the production cost is high, and the product percent of pass is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide an electric core tray's anchor clamps and adopt electric core tool of this anchor clamps, it solves among the prior art lithium cell clamp with high costs, technical problem that production efficiency is low.

In order to achieve the above object, the utility model provides a clamp for an electric core tray, which comprises a bottom plate, a clamping device and a guide rod, wherein the clamping device and the guide rod are arranged on the bottom plate, the clamping device comprises a top shaft horizontally arranged on the bottom plate, an elastic device arranged at one end of the top shaft, a connecting rod assembly arranged at the other end of the top shaft, a toggle block fixedly connected with the top shaft and a first clamping block, and the elastic device drives the top shaft to move in the horizontal direction; link assembly installs in the dead lever both sides and the articulated movable rod of being connected with the dead lever including fixing the dead lever on the apical axis, two the other one end of movable rod is articulated with first tight piece of clamp, the guide arm is fixed on first tight piece of clamp, the both sides of bottom plate all are provided with the fixed orifices, and the guide arm slides in the fixed orifices, and the direction mutually perpendicular of the gliding direction of guide arm and apical axis motion.

When using this technical scheme, the movement of resilient means drive apical axis for the dead lever of apical axis other end moves along with the removal of apical axis, thereby drives the movable rod and removes, nevertheless because the other end of movable rod and the articulated fixing of first tight piece of clamp, and be provided with the guide arm on the first tight piece of clamp, the guide arm slides in the fixed orifices of bottom plate, thereby still can drive first tight piece of clamp and remove when the movable rod removes. And the sliding direction of the guide rod is perpendicular to the moving direction of the top shaft, so that the moving directions of the first clamping block and the top shaft are perpendicular to each other, and the top shaft moves and drives the first clamping block to approach to realize the clamping function.

Among the above-mentioned technical scheme, be provided with first fretwork groove, second fretwork groove and through-hole on the bottom plate, the apical axis sets up in the through-hole and passes first fretwork groove and second fretwork groove, resilient means sets up at first fretwork groove, link assembly, first clamp piece and guide arm all set up in second fretwork groove, the fixed orifices is followed the outer wall intercommunication second fretwork groove of bottom plate, reduces this technical scheme's quality, the installation of each spare part of being convenient for.

In the above technical scheme, the clamping device further comprises a second clamping block fixedly connected with the shifting block.

Among the above-mentioned technical scheme, still including setting up the stopper on the guide arm.

Among the above-mentioned technical scheme, still include the mount pad, the movable rod is articulated mutually with one side of mount pad, the guide arm sets up the opposite side at the mount pad, first clamp is tight, and install at the top of mount pad.

In the above technical scheme, the bottom plate is provided with at least two positioning columns.

The technical scheme also provides a battery cell jig, which adopts the clamp in the technical scheme and also comprises a battery cell tray arranged on the bottom plate; the battery cell tray is provided with a fixing area for placing a battery cell, the two sides of the fixing area are provided with avoidance grooves used for being clamped by a clamping device, a positioning plate is arranged on the battery cell tray and positioned at the top of the battery cell on the fixing area, the two sides of the fixing area are used for clamping first clamping blocks on the two sides of the battery cell, and a second clamping block is positioned at the tail end of the fixing area and used for enabling the top of the battery cell in the fixing area to abut against the positioning plate, and the battery cell tray is provided with a positioning hole.

When the technical scheme is used, the battery core is placed in the fixing area, the first clamping blocks clamp and fix the left side and the right side of the battery core, the second clamping blocks and the positioning plate clamp and fix the front end and the rear end of the battery core, the top of the battery core is abutted against the positioning plate, then the battery core tray is placed on the bottom plate, and the first clamping blocks can penetrate through the avoiding grooves to clamp the battery core tray.

In the technical scheme, the battery cell fixing device further comprises a battery cell supporting plate arranged on the battery cell tray and used for forming a fixing area, and the battery cell supporting plate is matched with the appearance size of a battery cell.

In the technical scheme, the battery cell tray is provided with a first slide rail matched with the first clamping block and a second slide rail matched with the second clamping block, a plurality of second adjusting holes are formed in the first slide rail and the second slide rail, second mounting holes are formed in the first clamping block and the second clamping block, the first clamping block slides in the first slide rail, and the second clamping block slides in the second slide rail.

Among the above-mentioned technical scheme, the both sides of electricity core tray all are provided with the handle, all are provided with hollow out construction on the electricity core tray, reduce this technical scheme's weight.

Compared with the prior art, the beneficial effects of the utility model reside in that:

according to the technical scheme, the elastic device drives the jacking shaft, the connecting rod assembly and the first clamping block to flexibly clamp the battery cell, so that the battery cell is not easily damaged, and the clamp can be used for conveniently taking and replacing different battery cell jigs; this technical scheme's clamping device is in the clamping state always, when needs loosen electric core tray, only needs to adopt a drive apical axis motion, and the resilient means of the apical axis other end is compressed the back, and clamping device will loosen, has greatly reduced equipment cost, and this technical scheme need not artifical clamp tightly, can also effectively improve the positioning accuracy of electric core to can improve the machining precision of electric core.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a fixture for a cell tray provided by the present invention;

fig. 2 is a schematic structural diagram of a fixture of a cell tray provided by the present invention at another angle;

fig. 3 is a schematic structural diagram of a bottom plate provided by the present invention;

fig. 4 is a schematic structural diagram of an electrical core fixture provided by the present invention;

fig. 5 is an exploded view of the battery cell jig provided by the present invention.

The reference numbers of the figures are: 1. a base plate; 11. a first hollow-out groove; 12. a second hollow-out groove; 13. a through hole; 14. a fixing hole; 15. a positioning column; 2. a clamping device; 21. a top shaft; 22. an elastic device; 23. a connecting rod assembly; 231. fixing the rod; 232. a movable rod; 24. a first clamping block; 25. a shifting block; 26. a second clamping block; 3. a cell tray; 31. a fixation region; 32. a first slide rail; 321. a second adjustment aperture; 33. a second slide rail; 34. positioning holes; 35. a handle; 36. a hollow structure; 37. an avoidance groove; 4. positioning a plate; 5. a first clamping block; 51. a second mounting hole; 6. a second clamp block; 7. a cell supporting plate; 8. a guide bar; 9. a limiting block; 10. and (7) mounting a seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to fig. 3, the present embodiment provides a fixture for a cell tray, which includes a bottom plate 1, and further includes a clamping device 2 disposed on the bottom plate 1. The clamping device 2 comprises a top shaft 21, an elastic device 22, a connecting rod assembly 23, a first clamping block 24 and a shifting block 25. The elastic device 22 may be a spring or a tension spring, but not limited thereto.

The elastic means 22 is provided at one end of the top shaft 21, and the link assembly 23 is provided at the other end of the top shaft 21. The toggle block 25 is fixedly connected with the top shaft 21. The elastic device 22 drives the top shaft 21 to move in the horizontal direction, so that the link assembly 23 fixed on the top shaft 21 can be driven to move. The link assembly 23 includes a fixed rod 231 and two movable rods 232. The fixing rod 231 is fixed on the top shaft 21, and the two movable rods 232 are respectively installed at both sides of the fixing rod 231 and hinged with the fixing rod 231. The other ends of the two movable rods 232 are hinged to the first clamping block 24. Both sides of the bottom plate 1 are provided with fixing holes 14, the two first clamping blocks 24 are provided with guide rods 8, the guide rods 8 slide in the fixing holes 14, and the sliding direction of the guide rods 8 is perpendicular to the moving direction of the top shaft 21.

Specifically, the elastic device 22 drives the top shaft 21 to move, so that the connecting rod assembly 23 at the other end of the top shaft 21 is moved by the top shaft 21. Because the fixed rod 231 moves along with the movement of the top shaft 21, the movable rod 232 also moves along with the movement of the fixed rod 231, but because the other end of the movable rod 232 is hinged and fixed with the first clamping block 24, the first clamping block 24 is provided with the guide rod 8, and the guide rod 8 slides in the fixing hole 14 of the bottom plate 1, so that the movable rod 232 also drives the first clamping block 24 to move while moving. And the sliding direction of the guide rod 8 is perpendicular to the moving direction of the top shaft 21, the moving directions of the first clamping block 24 and the top shaft 21 are perpendicular to each other. The present embodiment further preferably includes a mounting base 10, the movable rod 232 is hinged to one side of the mounting base 10, the guide rod 8 is disposed on the other side of the mounting base 10, and the first clamping block 24 is disposed on the top of the mounting base 10. Therefore, the assembly among the movable rod 232, the guide rod 8 and the first clamping block 24 is facilitated, and the processing and manufacturing of each part are facilitated.

If the moving direction of the top shaft 21 is a Y-axis and the moving direction of the first clamping block 24 is an X-axis, when the elastic device 22 drives the top shaft 21 to move in the Y-axis direction, the link assembly 23 is driven to move in the Y-axis direction, and the link assembly 23 drives the first clamping block 24 to move, because the position of the fixing hole 14 on the Y-axis is fixed, the guide rod 8 and the first clamping block 24 only move in the X-axis direction, so that the top shaft 21 moves in the Y-axis direction, and the fixing rod 231 on the link assembly 23 is far away from the first clamping block 24, so that the angle at the hinged position of the movable rod 232 and the fixing rod 231 is reduced, and the first clamping block 24 is driven to move in the X-axis direction and move in the direction close to the top shaft 21, thereby achieving the clamping effect. Preferably, the present embodiment further includes a limiting block 9 disposed on the guide rod 8. The limiting block 9 limits the moving distance of the guide rod 8 in the fixing hole 14, so that the moving distance of the top shaft 21 can be controlled, the phenomenon that the top shaft 21 moves excessively to cause dragging between the connecting rod assembly 23 and the first clamping block 24 is avoided, and the service life of the embodiment is prolonged. The toggle block 25 is arranged on the top shaft 21 and is in the movement direction of the toggle top shaft 21. When the top shaft 21 moves on the Y axis and drives the fixing rod 231 on the connecting rod assembly 23 to be close to the first clamping block 24, the angle of the hinged position of the movable rod 232 and the fixing rod 231 is increased, so that the first clamping block 24 can move towards the direction away from the top shaft 21, and further the loosening effect is achieved. The clamping and loosening functions can be performed through the top shaft 21, the elastic device 22, the connecting rod assembly 23, the guide rod 8 and the first clamping block 24, no air cylinder or other electric equipment is needed to be additionally used, the structure is simple and compact, the quality is light and thin, the clamping force of the first clamping block 24 is controlled by controlling the elastic force of the elastic device 22, the cost is low, and the clamping device is suitable for different production lines.

Referring to fig. 3, the bottom plate 1 is provided with a first hollow groove 11, a second hollow groove 12 and a through hole 13, the top shaft 21 is disposed in the through hole 13 and passes through the first hollow groove 11 and the second hollow groove 12, the elastic device 22 and the toggle block 25 are preferably disposed in the first hollow groove 11, the connecting rod assembly 23, the first clamping block 24 and the guide rod 8 are disposed in the second hollow groove 12, and the fixing hole 14 is communicated with the second hollow groove 12 from the outer wall of the bottom plate 1. Like this, first fretwork groove 11, second fretwork groove 12 have been seted up to bottom plate 1, not only can be convenient for the manufacturing of bottom plate 1 to the assembly of clamping device 2 on bottom plate 1 is convenient for, and in addition, bottom plate 1 can also be more please just, makes the quality of this embodiment lighter, and the cost is lower.

The present embodiment also preferably includes a second clamping block 26 fixedly connected to the toggle block 25. When apical axis 21 moved to the direction of keeping away from first tight piece 24 of clamp, first tight piece 24 of clamp will be driven and be close to apical axis 21, when electric core tray placed on bottom plate 1, can realize pressing from both sides tight effect in the left and right sides, and the tight piece 26 of second clamp will move along with the removal of apical axis 21, can exert pressure in the Y axle direction, and then can reach tight effect of clamp.

At least two positioning columns 15 are arranged on the bottom plate 1 of the embodiment, so that the battery cell tray can be conveniently fixed on the bottom plate 1 of the embodiment.

Example two

Referring to fig. 4 to 5, the present embodiment further provides a battery cell jig, which employs the fixture in the first embodiment, and further includes a battery cell tray 3 disposed on the bottom plate 1 and clamped by the clamping device 2, and a positioning plate 4, a first clamping block 5, and a second clamping block 6 respectively disposed on the battery cell tray 3. The battery cell tray 3 is provided with a positioning hole 34, the battery cell tray 3 is provided with a fixing area 31 for placing a battery cell, two sides of the fixing area 31 are provided with avoidance grooves 37 for being clamped by the clamping device 2, specifically, the toggle block 25 is toggled first, so that the first clamping block 24 is kept away from each other, the second clamping block 26 is also kept away, then the battery cell tray 3 is placed on the bottom plate 1, at this time, the positioning hole 34 will pass through the positioning column 15 on the bottom plate 1, the positioning column 15 will fix the battery cell tray 3 in the X-axis and Y-axis directions, the first clamping block 24 and the second clamping block 26 will pass through the avoidance grooves 37 and are respectively located around the fixing area 11, then the toggle block 25 is loosened, the elastic device 22 will drive the top shaft 21 to move, thereby driving the first clamping block 24 to be close to each other, the second clamping block 26 is also close to the battery cell tray 3, because the battery cell tray 3 cannot move in the X-axis and Y-axis directions, and the battery cell tray 3 is subjected to clamping force in three directions, thereby being fixed on the bottom plate 1.

Be provided with fixed area 31 on electric core tray 3, locating plate 4 sets up one side on electric core tray 3 and is located the top of the electric core on fixed area 31, and first clamp splice 5 is located the both sides of fixed area 31 and is used for pressing from both sides tight both sides of electric core, and first clamp splice 5 can move on the horizontal direction of the both sides of electric core, can move in the left and right sides direction of the both sides of electric core. The second clamp splice 6 is located the tail end of the fixed area 31 and makes the top of the electric core in the fixed area 31 abut against the positioning plate 4, and the second clamp splice 6 can move back and forth in the direction of the tail part of the electric core, so that the electric core can be driven to move in the front and back directions, and the top of the electric core is driven to abut against the positioning plate 4. The first clamping block 5, the second clamping block 6 and the positioning plate 4 respectively clamp and position the battery cell in the front, back, left and right directions of the battery cell, so that the battery cell is fixed in the fixing area 31. In addition, the first clamping block 5 and the second clamping block 6 can be adjusted and moved, so that the battery cells of different models can be compatible, and the battery cells of different models can be fixed on the battery cell tray 3 of the embodiment. Preferably, the present embodiment further includes a cell support plate 7 mounted on the cell tray 3, and the cell support plate 7 is adapted to the external shape and size of the cell and is used to form the fixing area 31. Place electric core on electric core layer board 7, can further protect electric core, improve the security of this embodiment.

The cell tray 3 is provided with a first slide rail 32 adapted to the first clamping block 5, and a second slide rail 33 adapted to the second clamping block 6. All be provided with a plurality of second regulation hole 321 in first slide rail 32 and the second slide rail 33, all be provided with second mounting hole 51 on first clamp splice 5 and the second clamp splice 6, first clamp splice 5 slides in first slide rail 32, after first clamp splice 5 slides and targets in place and presss from both sides tight electric core, use the screw, bolt or other fixing device pass second mounting hole 51 and fix in second regulation hole 321, so that first clamp splice 5 is fixed in first slide rail 32 on electric core tray 3, second clamp splice 6 slides in second slide rail 33.

Be provided with first clamp splice 5 on the electric core tray 3 of this embodiment, second clamp splice 6 and locating plate 4, thereby can be compatible the electric core of different models, fix electric core back on electric core tray 3, put electric core tray 3 on anchor clamps, anchor clamps can press from both sides tight electric core tray 3, it can make anchor clamps to electric core tray 3 self-holding to dial movable block 25 through using drive arrangement to drive, this embodiment need not adopt the manual work to press from both sides tightly, can also effectively improve the positioning accuracy of electric core, thereby can improve the machining precision of electric core, for example can be to automatic positioning in ultrasonic bonding, then weld process, and therefore, the production cost is reduced, and the product percent of pass is high.

Both sides of the battery cell tray 3 are provided with handles 35, so that the battery cell tray 3 can be conveniently lifted from the bottom plate 1. The cell tray 3 is provided with a hollow structure 36. Therefore, the requirements of transportation, fixation and convenience in processing can be met, the quality of the jig of the embodiment can be greatly reduced, and the production efficiency of the battery cell can be effectively improved.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The clamp for the battery cell tray comprises a bottom plate (1) and is characterized by further comprising a clamping device (2) and a guide rod (8) which are arranged on the bottom plate (1), wherein the clamping device (2) comprises a top shaft (21) which is horizontally arranged on the bottom plate (1), an elastic device (22) which is arranged at one end of the top shaft (21), a connecting rod assembly (23) which is arranged at the other end of the top shaft (21), a poking block (25) which is fixedly connected with the top shaft (21) and a first clamping block (24), and the elastic device (22) drives the top shaft (21) to move in the horizontal direction;

link assembly (23) are including fixing dead lever (231) on apical axis (21), install dead lever (231) both sides and with dead lever (231) articulated movable rod (232) of being connected, two the other one end of movable rod (232) is articulated with first clamp piece (24), guide arm (8) are fixed on first clamp piece (24), the both sides of bottom plate (1) all are provided with fixed orifices (14), and guide arm (8) slide in fixed orifices (14), and the direction mutually perpendicular of guide arm (8) gliding direction and apical axis (21) motion.

2. The clamp for the battery cell tray, according to claim 1, is characterized in that a first hollowed-out groove (11), a second hollowed-out groove (12) and a through hole (13) are formed in the bottom plate (1), the top shaft (21) is disposed in the through hole (13) and penetrates through the first hollowed-out groove (11) and the second hollowed-out groove (12), the elastic device (22) is disposed in the first hollowed-out groove (11), the connecting rod assembly (23), the first clamping block (24) and the guide rod (8) are disposed in the second hollowed-out groove (12), and the fixing hole (14) is communicated with the second hollowed-out groove (12) from the outer wall of the bottom plate (1).

3. The clamp for the cell tray is characterized by further comprising a second clamping block (26) fixedly connected with the shifting block (25).

4. The clamp for the battery cell tray as claimed in claim 1, further comprising a limiting block (9) disposed on the guide rod (8).

5. The clamp for the cell tray, according to claim 1, further comprising a mounting seat (10), wherein the movable rod (232) is hinged to one side of the mounting seat (10), the guide rod (8) is disposed on the other side of the mounting seat (10), and the first clamping block (24) is disposed on the top of the mounting seat (10).

6. The cell tray clamp according to claim 1, wherein at least two positioning posts (15) are arranged on the bottom plate (1).

7. A battery cell jig, characterized in that the jig of any one of claims 1 to 6 is adopted, and the jig further comprises a battery cell tray (3) arranged on the bottom plate (1); be provided with fixed area (31) that are used for placing electric core on electric core tray (3), the both sides of fixed area (31) are provided with and are used for dodging groove (37) that are pressed from both sides tightly by clamping device (2), set up locating plate (4) on electric core tray (3) and lie in the top of electric core on fixed area (31), lie in the both sides of fixed area (31) and be used for pressing from both sides tight first clamp splice (5) of electric core both sides and lie in the tail end of fixed area (31) and make the top of electric core support and lean on second clamp splice (6) on locating plate (4) in fixed area (31), be provided with locating hole (34) on electric core tray (3).

8. The cell jig according to claim 7, further comprising a cell supporting plate (7) disposed on the cell tray (3) and configured to form the fixing region (31), wherein the cell supporting plate (7) is adapted to the external size of the cell.

9. The cell jig according to claim 7, characterized in that the cell tray (3) is provided with a first slide rail (32) adapted to the first clamping block (5) and a second slide rail (33) adapted to the second clamping block (6), the first slide rail (32) and the second slide rail (33) are respectively provided with a plurality of second adjusting holes (321), the first clamping block (5) and the second clamping block (6) are respectively provided with a second mounting hole (51), the first clamping block (5) slides in the first slide rail (32), and the second clamping block (6) slides in the second slide rail (33).

10. The electrical core jig according to claim 7, characterized in that handles (35) are disposed on both sides of the electrical core tray (3), and a hollow structure (36) is disposed on each electrical core tray (3).