CN211182408U

CN211182408U - Lithium cell electricity core anchor clamps

Info

Publication number: CN211182408U
Application number: CN201921014783.3U
Authority: CN
Inventors: 陈代强
Original assignee: Shenzhen City Borui Precison Machine Science & Technology Co ltd
Current assignee: Shenzhen City Borui Precison Machine Science & Technology Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-08-04
Anticipated expiration: 2029-07-02

Abstract

The utility model provides a lithium battery cell clamp, a tab clamp driving mechanism and a cell clamping plate driving mechanism are fixed on a fixed seat, a first tab clamp and a second tab clamp are arranged oppositely, the first cell clamping plate and the second cell clamping plate are arranged oppositely, the tab clamp driving mechanism is used for providing driving force to enable the first tab clamp and the second tab clamp to approach or keep away from each other, the cell clamping plate driving mechanism is used for providing driving force to enable the first cell clamping plate and the second cell clamping plate to approach or keep away from each other, the first tab clamp and the second tab clamp both comprise a clamping part, a limiting part and a supporting part, the clamping part is used for clamping the cell negative pole and leaking the top end of the cell negative pole, the clamping part and the supporting part are respectively used for supporting the two ends of a spacing ring, the limiting part is used for forming a limiting space, the limiting space is used for limiting the spacing ring sleeved on the cell from, the purpose of improving the success rate of the spacing ring of the battery cell sleeve of the lithium battery is achieved.

Description

Lithium cell electricity core anchor clamps

Technical Field

The utility model belongs to the technical field of the lithium cell, more specifically say, relate to a lithium cell electricity core anchor clamps.

Background

In the existing production process of the lithium battery, the bottom of the battery core of the lithium battery needs to be firstly pasted with an adhesive tape, then the positive pole lug of the battery core is bent, the upper part of the battery core is provided with a spacing ring and the adhesive tape, and then the bent positive pole lug is straightened back, so that the purposes of spacing ring and adhesive tape pasting on the battery core of the lithium battery are achieved. Current lithium cell spacer ring rubberizing device is including installing at the positive electric core automatic feeding device of workstation, the spacer ring automatic feeding device of side, table surface installs and is equipped with electric core clamping device's multistation gyration dish at each station, and from controlling device, the electric core clamping station linking department installation at electric core automatic feeding device exit end and multistation gyration dish is provided with electric core fixed position device and electric core bottom rubberizing device, the electric core handling device that is equipped with in electric core positioner's top and the electric core clamping device of multistation gyration dish electric core clamping station, spacer ring automatic feeding installation device, electric core upper portion rubberizing is transferred the device, the utmost point ear device of turning back of bending, the automatic unloader of electric core. After a multi-station rotary disc rotates to an electric core clamping device of an electric core clamping station, and an electric core of a bottom adhesive tape is clamped in the electric core clamping device, the multi-station rotary disc rotates to an electric core lug leveling and bending station, a negative pole lug leveling mechanism of the electric core lug leveling and bending device folds towards the center, the negative pole lug on the electric core is straightened, the positive pole lug bending mechanism pulls one side of the electric core lug out, the pulled positive pole lug is bent, then a spacer ring is directly placed on the electric core by an automatic spacer ring feeding device, and due to the friction force between the spacer ring automatic feeding device and the spacer ring, when the spacer ring is released by the automatic spacer ring feeding device, the dropping position of the spacer ring can deviate, the spacer ring cannot be accurately sleeved on the negative pole of the electric core, so that the accuracy rate of placing the spacer ring on the electric core is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell electricity core anchor clamps to solve exist among the prior art because there is frictional force between space ring automatic feeding device and the space ring, when space ring automatic feeding device releases the space ring, the skew can take place for the position that drops of space ring, and the space ring can not accurate cover on the negative pole of electric core, thereby reduces the technical problem of placing the space ring the rate of accuracy on electric core.

In order to achieve the above object, the utility model adopts the following technical scheme: the lithium battery cell clamp comprises a fixed seat, a first tab clamping piece, a second tab clamping piece, a first battery cell clamping plate, a second battery cell clamping plate, a tab clamping piece driving mechanism and a battery cell clamping plate driving mechanism, wherein the tab clamping piece driving mechanism and the battery cell clamping plate driving mechanism are fixed on the fixed seat, the first tab clamping piece and the second tab clamping piece are oppositely arranged, the first battery cell clamping plate and the second battery cell clamping plate are oppositely arranged, the tab clamping piece driving mechanism is used for providing driving force to enable the first tab clamping piece and the second tab clamping piece to be close to or far away from each other, the battery cell clamping plate driving mechanism is used for providing driving force to enable the first battery cell clamping plate and the second battery cell clamping plate to be close to or far away from each other, first utmost point ear folder with second utmost point ear folder all includes clamping part, spacing portion and supporting part, the clamping part is used for pressing from both sides tight electric core negative pole and spills the top of electric core negative pole, the clamping part with the supporting part is used for supporting the both ends of spacer ring respectively, spacing portion is used for forming spacing space, spacing space is used for the restriction cover to establish the spacer ring on electric core to electric core both sides activity.

Further, the first tab clamping piece comprises a first tab fixing plate, a first fixing block and a first lug, the first fixing block is connected to the output end of the tab clamping piece driving mechanism, the first fixing block is fixed on the first tab fixing plate, and the first lug is integrally connected to the first fixing block and arranged along the periphery of the first fixing block;

the second lug clamping piece comprises a second lug fixing plate, a second fixing block and a second bump, the second fixing block is connected to the output end of the lug clamping piece driving mechanism, the second fixing block is fixed on the second lug fixing plate, and the second bump is integrally connected to the second fixing block and arranged along the periphery of the second fixing block;

the first lug fixing plate and the second lug fixing plate are oppositely arranged; the first fixing block and the second fixing block are positioned between the first lug fixing plate and the second lug fixing plate; the first bump and the second bump are arranged oppositely, the first bump and the second bump are arranged to be the clamping part, and the opposite surface between the first fixing block and the second fixing block is arranged to be the limiting part.

Furthermore, a first guide mechanism is arranged on the fixing seat, and the first tab clamping piece and the second tab clamping piece are connected to the first guide mechanism in a sliding mode.

Further, be equipped with first utmost point ear guiding hole and second utmost point ear guiding hole on the fixing base, sliding connection has first utmost point ear guide block in the first utmost point ear guiding hole, second utmost point ear guiding hole sliding connection has the second utmost point ear guide block, utmost point ear folder actuating mechanism sets up deviating from of fixing base one side of first guide mechanism, utmost point ear folder actuating mechanism's output shaft in first utmost point ear guide block with second utmost point ear guide block utmost point ear folder actuating mechanism, first utmost point ear guide block connect in first utmost point ear folder, second utmost point ear guide block connect in second utmost point ear folder.

Further, utmost point ear folder actuating mechanism includes first drive gear, first utmost point ear rack, second utmost point ear rack and first drive rack, first drive gear swivelling joint in the fixing base, first utmost point ear rack connect in first utmost point ear guide block, second utmost point ear rack connect in second utmost point ear guide block, first utmost point ear rack second utmost point ear rack with first drive rack mesh in first drive gear, first drive rack is used for connecting a linear drive device.

Further, the lithium battery cell clamp further comprises a connecting piece and a third guide mechanism, and the tab clamp driving mechanism further comprises a first sliding block and a first control rod;

the connecting piece is fixed on the fixed seat, the third guide mechanism is detachably connected on the connecting piece, the first sliding block is slidably connected on the third guide mechanism, the first driving rack is fixed on the first sliding block, the first control rod is connected on the first sliding block, and the first control rod penetrates through the connecting piece;

the first driving gear is rotationally connected to the third guide mechanism, and the first control rod is used for being connected with an output shaft of the first linear driving device.

Furthermore, be equipped with first guiding hole and second guiding hole on the fixing base, sliding connection has first guide block in the first guiding hole, second guiding hole sliding connection has the second guide block, electric core splint actuating mechanism sets up deviate from on the fixing base one side of first guide mechanism, first guide block connect in first electric core splint, the second guide block connect in second electric core splint, electric core splint actuating mechanism's output shaft connect in first guide block with the second guide block.

Further, the cell clamping plate driving mechanism comprises a second driving gear, a first rack, a second rack and a second driving rack, the second driving gear is rotatably connected to the fixing seat, the first rack is connected to the first guide block, the second rack is connected to the second guide block, the first rack, the second rack and the second driving rack are meshed with the second driving gear, and the second driving rack is used for being connected with a second linear driving device.

Further, the cell clamping plate driving mechanism further comprises a second sliding block and a second control rod;

the second slider is connected on the third guide mechanism in a sliding mode, the second driving rack is fixed on the second slider, the second control rod is connected on the second slider, the second control rod penetrates through the connecting piece, the second driving gear is connected on the third guide mechanism in a rotating mode, and the second control rod is used for being connected with an output shaft of the second linear driving device.

Furthermore, a second guide mechanism is arranged on the fixing seat, and the first battery cell clamping plate and the second battery cell clamping plate are connected to the second guide mechanism in a sliding mode.

The utility model provides a pair of lithium cell electricity core anchor clamps's beneficial effect lies in: compared with the prior art, the utility model discloses a spacer does not directly overlap and establish on electric core negative pole, but cup joints on electric core along electric core negative pole, has improved the success rate of lithium cell electricity core cover spacer. The supporting part and the clamping part are matched to play a role in supporting the space ring, the space ring is conveniently and directly placed on the first lug clamping piece and the second lug clamping piece, and the space ring is accurately sleeved on the battery cell negative electrode by taking the first lug clamping piece and the second lug clamping piece as a reference system. First electric core splint and the cooperation of second electric core splint guarantee that electric core stabilizes the centre gripping on lithium cell electricity core anchor clamps, guarantee first utmost point ear folder and second utmost point ear folder normal work. When the multi-station rotary disc is used for moving the lithium battery cell clamp to the next station, the position of the space ring on the battery cell is not prone to shifting, and the battery cell and the space ring are convenient to process on the next step. The lug clamp driving mechanism and the battery cell clamping plate driving mechanism are connected together, so that the lug clamp driving mechanism and the battery cell clamping plate driving mechanism are managed in a unified manner, and the convenience of installing the lug clamp driving mechanism and the battery cell clamping plate driving mechanism on a multi-station rotary disc is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is an exploded schematic view of a lithium battery cell clamp according to an embodiment of the present invention;

fig. 2 is the embodiment of the utility model provides a lithium battery cell anchor clamps's schematic structure diagram.

Wherein, in the figures, the respective reference numerals:

1. a first tab clamp; 11. a first tab fixing plate; 12. a first fixed block; 13. a first bump; 2. a second tab clamp; 21. a second lug fixing plate; 22. a second fixed block; 23. a second bump; 12a, a clamping part; 12b, a limiting part; 12c, a support portion; 3. a first cell clamping plate; 4. a second cell clamping plate; 5. a tab clamp driving mechanism; 51. a first drive gear; 52. a first tab rack; 53. a second lug rack; 54. a first drive rack; 55. a first slider; 56. a first control lever; 6. a cell clamping plate driving mechanism; 61. a second drive gear; 62. a first rack; 63. a second rack; 64. a second drive rack; 65. a second slider; 66. a second control lever; 7. a fixed seat; 71. a first guide mechanism; 72. a first tab guiding hole; 721. a first tab guide block; 73. a second lug guide hole; 731. a second lug guide block; 74. a second guide mechanism; 75. a first guide hole; 751. a first guide block; 76. a second guide hole; 761. a second guide block; 8. a connecting member; 9. and a third guide mechanism.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and fig. 2, a lithium battery cell fixture provided by the present invention will now be described. A lithium battery core clamp is used for being arranged on a multi-station rotary disc and comprises a fixed seat 7, a first tab clamping piece 1, a second tab clamping piece 2, a first battery core clamping plate 3, a second battery core clamping plate 4, a tab clamping piece driving mechanism 5 and a battery core clamping plate driving mechanism 6, wherein the tab clamping piece driving mechanism 5 and the battery core clamping plate driving mechanism 6 are fixed on the fixed seat 7, the first tab clamping piece 1 and the second tab clamping piece 2 are oppositely arranged, the first battery core clamping plate 3 and the second battery core clamping plate 4 are oppositely arranged, the tab clamping piece driving mechanism 5 is used for providing driving force to enable the first tab clamping piece 1 and the second tab clamping piece 2 to be close to or far away from each other, the battery core clamping plate driving mechanism 6 is used for providing driving force to enable the first battery core clamping plate 3 and the second battery core clamping plate 4 to be close to or far away from each other, and the first tab clamping piece 1 and the second tab clamping piece 2, Spacing portion 12b and supporting part 12c, clamping part 12a are used for pressing from both sides tight electric core negative pole and spill the top of electric core negative pole, and clamping part 12a and supporting part 12c are used for supporting the both ends of space ring respectively, and spacing portion 12b is used for forming spacing space, and spacing space is used for limiting the space ring that the cover was established on electric core to electric core both sides activity.

The use process comprises the following steps: the first tab clamping piece 1 is driven to be far away from the second tab clamping piece 2 by the tab clamping piece driving mechanism 5, and meanwhile, the first cell clamping plate 3 is driven to be far away from the second cell clamping plate 4 by the cell clamping plate driving mechanism 6; placing a battery cell between the first battery cell clamping plate 3 and the second battery cell clamping plate 4, wherein a battery cell cathode is positioned between the clamping parts 12 a; then, the tab clamping piece driving mechanism 5 drives the first tab clamping piece 1 to be close to the second tab clamping piece 2, and the cell clamping plate driving mechanism 6 drives the first cell clamping plate 3 to be close to the second cell clamping plate 4, so that the clamping part 12a clamps the cell negative electrode, and the first cell clamping plate 3 and the second cell clamping plate 4 clamp the cell; then, two ends of the space ring are respectively placed on the clamping part 12a and the supporting part 12c, the clamping part 12a and the supporting part 12c are matched to enable the space ring to be horizontally placed on the first tab clamp 1 and the second tab clamp 2, and the top end of the battery cell negative electrode is located in a ring hole of the space ring; then, the first tab clamping piece 1 is driven to be away from the second tab clamping piece 2 through the tab clamping piece driving mechanism 5, and meanwhile, the first cell clamping plate 3 is driven to be away from the second cell clamping plate 4 through the cell clamping plate driving mechanism 6, so that the spacer ring falls on the cell along the cell negative pole, and the spacer ring is sleeved on the lithium battery cell; through then being close to second utmost point ear clamp 2 through utmost point ear clamp actuating mechanism 5 drive first utmost point ear clamp 1, drive first electric core splint 3 through electric core splint actuating mechanism 6 simultaneously and be close to second electric core splint 4, make spacing portion 12b form spacing space to the space ring is spacing on electric core, and the space ring is difficult for moving about to electric core both sides, and the many stations of rethread gyration dish removes lithium cell electricity core anchor clamps to next station.

The utility model provides a pair of lithium cell electricity core anchor clamps, compared with the prior art, the spacer ring does not directly overlap and establishes on electric core negative pole, but cup joints on electric core along electric core negative pole, has improved the success rate of lithium cell electricity core cover spacer ring. The supporting portion 12c and the clamping portion 12a are matched to play a role in supporting the space ring, so that the space ring can be directly placed on the first tab clamping piece 1 and the second tab clamping piece 2, and the space ring is accurately sleeved on the negative electrode of the battery cell by taking the first tab clamping piece 1 and the second tab clamping piece 2 as a reference system. First electric core splint 3 and second electric core splint 4 cooperation are guaranteed that electric core is stabilized the centre gripping on lithium cell electricity core anchor clamps, guarantee first utmost point ear folder 1 and second utmost point ear folder 2 and normally work. Spacing space has played the effect that the difficult emergence skew in position of spacer ring on the electric core when the multistation gyration dish removes lithium cell electricity core anchor clamps to next station, is convenient for the next processing of electric core and spacer ring. The tab clamping piece driving mechanism 5 and the electric core clamping plate driving mechanism 6 are connected together, so that unified management of the tab clamping piece driving mechanism 5 and the electric core clamping plate driving mechanism 6 is facilitated, and convenience of installing the tab clamping piece driving mechanism 5 and the electric core clamping plate driving mechanism 6 on a multi-station rotary disc is improved.

Further, please refer to fig. 1 and fig. 2 together, as a specific embodiment of the lithium battery cell clamp provided by the present invention, the first tab clamping member 1 includes a first tab fixing plate 11, a first fixing block 12 and a first protrusion 13, the first fixing block 12 is connected to the output end of the tab clamping member driving mechanism 5, the first fixing block 12 is fixed on the first tab fixing plate 11, and the first protrusion 13 is integrally connected to the first fixing block 12 and disposed along the periphery of the first fixing block 12;

the second tab clamping member 2 comprises a second tab fixing plate 21, a second fixing block 22 and a second bump 23, the second fixing block 22 is connected to the output end of the tab clamping member driving mechanism 5, the second fixing block 22 is fixed on the second tab fixing plate 21, and the second bump 23 is integrally connected to the second fixing block 22 and arranged along the periphery of the second fixing block 22;

the first tab fixing plate 11 and the second tab fixing plate 21 are oppositely arranged; the first fixing block 12 and the second fixing block 22 are positioned between the first tab fixing plate 11 and the second tab fixing plate 21; the first projection 13 and the second projection 23 are disposed opposite to each other, the first projection 13 and the second projection 23 are formed as a holding portion 12a, and an opposing surface between the first fixing block 12 and the second fixing block 22 is formed as a stopper portion 12 b.

The first tab clamping piece 1 and the second tab clamping piece 2 are simple in structure and very practical. The first fixing block 12 and the first bump 13 are integrally formed, so that the die sinking manufacture of the first fixing block 12 and the first bump 13 is facilitated. The second fixing block 22 and the second bump 23 are integrally formed, so that the die sinking manufacture of the second fixing block 22 and the second bump 23 is facilitated.

Specifically, the first fixing block 12 and the second fixing block 22 are concave blocks or rectangular blocks. The first bump 13 and the second bump 23 are rectangular blocks or square blocks. The first protrusion 13 is fixed at one side of the notch of the first fixing block 12, and the supporting portion 12c of the first fixing block 12 is located at the other side of the notch of the first fixing block 12. The second protrusion 23 is fixed at one side of the notch of the second fixing block 22, and the supporting portion 12c of the second fixing block 22 is located at the other side of the notch of the second fixing block 22.

Further, please refer to fig. 1 and fig. 2 together, as a specific embodiment of the present invention, a first guiding mechanism 71 is disposed on the fixing base 7, and the first tab clamping member 1 and the second tab clamping member 2 are slidably connected to the first guiding mechanism 71.

The first guide mechanism 71 improves the stability of the movement of the first tab clamping piece 1 and the second tab clamping piece 2, and the first tab clamping piece 1 and the second tab clamping piece 2 are not easy to separate from the fixed seat 7, so that the first tab clamping piece 1 and the second tab clamping piece 2 are not easy to separate from the tab clamping piece driving mechanism 5, and the stability of the tab clamping piece driving mechanism 5 in connection with the first tab clamping piece 1 and the second tab clamping piece 2 is improved.

Further, please refer to fig. 1 and fig. 2 together, as the utility model provides a specific implementation of a lithium battery electric core clamp, be equipped with first utmost point ear guiding hole 72 and second utmost point ear guiding hole 73 on the fixing base 7, sliding connection has first utmost point ear guide block 721 in first utmost point ear guiding hole 72, second utmost point ear guiding hole 73 sliding connection has second utmost point ear guide block 731, utmost point ear folder actuating mechanism 5 sets up the one side that deviates from first guide mechanism 71 at the fixing base 7, utmost point ear folder actuating mechanism 5's output shaft is connected in first utmost point ear guide block 721 and second utmost point ear guide block 731 utmost point ear folder actuating mechanism 5, first utmost point ear guide block 721 is connected in first utmost point ear folder 1, second utmost point ear guide block 731 is connected in second utmost point ear folder 2.

One side of fixing base 7 sets up utmost point ear clamp actuating mechanism 5, and one side sets up first utmost point ear clamp 1 and second utmost point ear clamp 2 in addition, is favorable to the space of make full use of fixing base 7 both sides, makes between this lithium cell electricity core anchor clamps's the structure inseparabler, is favorable to reducing the volume of lithium cell electricity core anchor clamps.

Further, please refer to fig. 1 and fig. 2 together, as a specific embodiment of the present invention, the tab clamping member driving mechanism 5 includes a first driving gear 51, a first tab rack 52, a second tab rack 53 and a first driving rack 54, the first driving gear 51 is rotatably connected to the fixing base 7, the first tab rack 52 is connected to the first tab guiding block 721, the second tab rack 53 is connected to the second tab guiding block 731, the first tab rack 52, the second tab rack 53 and the first driving rack 54 are engaged with the first driving gear 51, and the first driving rack 54 is used for connecting a first linear driving device (not shown).

Through the mode of gear drive, through the synchronous activity of a first utmost point ear clamp piece 1 of a first linear drive device control and second utmost point ear clamp piece 2 in order to realize pressing from both sides tightly or keeping away from between first utmost point ear clamp piece 1 and the second utmost point ear clamp piece 2, make the distance between first utmost point ear clamp piece 1 and the second utmost point ear clamp piece 2 obtain controlling, reduce the quantity and the cost that first linear drive device set up.

Specifically, the first linear driving device is a cylinder or a linear motor.

Further, please refer to fig. 1 and fig. 2 together, as a specific implementation manner of the lithium battery cell clamp provided by the present invention, the lithium battery cell clamp further includes a connecting member 8 and a third guiding mechanism 9, and the tab clamping member driving mechanism 5 further includes a first slider 55 and a first control rod 56;

the connecting piece 8 is fixed on the fixed seat 7, the third guide mechanism 9 is detachably connected on the connecting piece 8, the first slide block 55 is slidably connected on the third guide mechanism 9, the first driving rack 54 is fixed on the first slide block 55, the first control rod 56 is connected on the first slide block 55, and the first control rod 56 penetrates through the connecting piece 8;

the first drive gear 51 is rotatably connected to the third guide mechanism 9, and the first control lever 56 is used for connecting an output shaft of the first linear drive device.

The connecting piece 8 enables the third guide mechanism 9 to be fixed on the fixing seat 7, the third guide mechanism 9 is not in direct contact with the fixing seat 7, the first driving gear 51 is convenient to mount, and the first driving gear 51 is convenient to detach. The first control rod 56 penetrates through the connecting piece 8, so that the first control rod 56 is stable in movement, and the normal work of the output shaft of the first linear driving device is ensured.

Further, please refer to fig. 1 and fig. 2 together, a first guide hole 75 and a second guide hole 76 are disposed on the fixing base 7, a first guide block 751 is slidably connected in the first guide hole 75, a second guide block 761 is slidably connected in the second guide hole 76, the cell clamping plate driving mechanism 6 is disposed on the fixing base 7 on a side away from the first guide mechanism 71, the first guide block 751 is connected to the first cell clamping plate 3, the second guide block 761 is connected to the second cell clamping plate 4, and an output shaft of the cell clamping plate driving mechanism 6 is connected to the first guide block 751 and the second guide block 761.

One side of fixing base 7 sets up electric core splint actuating mechanism 6, and one side sets up first electric core splint 3 and second electric core splint 4 in addition, is favorable to the space of make full use of fixing base 7 both sides, makes between this lithium cell electricity core anchor clamps's the structure inseparabler, is favorable to reducing the volume of lithium cell electricity core anchor clamps. The first guide hole 75 and the second guide hole 76 enable the cell clamping plate driving mechanism 6 to be connected to the first cell clamping plate 3 and the second cell clamping plate 4.

Further, please refer to fig. 1 and fig. 2 together, as a specific embodiment of the lithium battery cell clamp provided by the present invention, the cell clamping plate driving mechanism 6 includes a second driving gear 61, a first rack 62, a second rack 63 and a second driving rack 64, the second driving gear 61 is rotatably connected to the fixing base 7, the first rack 62 is connected to the first guide block 751, the second rack 63 is connected to the second guide block 761, the first rack 62, the second rack 63 and the second driving rack 64 are engaged with the second driving gear 61, and the second driving rack 64 is used for connecting a second linear driving device (not shown).

The third guide mechanism 9 enables the first driving rack 54 and the second driving rack 64 to slide on the same guide mechanism, so that the number of the guide mechanisms is reduced, and the cost of the lithium battery cell clamp is reduced. The first control rod 56 and the second control rod 66 are arranged through the connecting piece 8, so that the first control rod 56 and the second control rod 66 can stably move on the connecting piece 8. The first control lever 56 protects the first drive rack 54 by not directly connecting the first drive rack 54 to the first linear drive. The second control rod 66 protects the second drive rack 64 by not directly connecting the second drive rack 64 to the second linear drive.

Further, referring to fig. 1 and fig. 2 together, as a specific embodiment of the lithium battery cell fixture provided by the present invention, the cell clamping plate driving mechanism 6 further includes a second slider 65 and a second control rod 66;

the second slider 65 is slidably connected to the third guide mechanism 9, the second driving rack 64 is fixed to the second slider 65, the second control rod 66 is connected to the second slider 65, the second control rod 66 penetrates through the connecting piece 8, the second driving gear 61 is rotatably connected to the third guide mechanism 9, and the second control rod 66 is used for connecting an output shaft of the second linear driving device.

The second linear driving device drives the second control rod 66 to move, so that the second slide block 65 moves along the third guide mechanism 9; the second slider 65 slides stably on the third guide mechanism 9, so that the second driving rack 64 slides stably on the third guide mechanism 9, and the second driving rack 64 controls the second driving gear 61 to move stably.

Specifically, the second linear driving device is a cylinder or a linear motor.

Further, please refer to fig. 1 and fig. 2 together, as a specific embodiment of the present invention, a second guiding mechanism 74 is disposed on the fixing base 7, and the first cell clamping plate 3 and the second cell clamping plate 4 are slidably connected to the second guiding mechanism 74.

Second guiding mechanism 74 improves the stability of first electric core splint 3 and the activity of second electric core splint 4, and first electric core splint 3 and second electric core splint 4 are difficult for breaking away from fixing base 7 to first electric core splint 3 and second electric core splint 4 are difficult for breaking away from utmost point ear folder actuating mechanism 5, have improved the stability that utmost point ear folder actuating mechanism 5 is connected with first electric core splint 3 and second electric core splint 4.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A lithium battery core clamp is characterized by comprising a fixing seat, a first tab clamping piece, a second tab clamping piece, a first battery core clamping plate, a second battery core clamping plate, a tab clamping piece driving mechanism and a battery core clamping plate driving mechanism, wherein the tab clamping piece driving mechanism and the battery core clamping plate driving mechanism are fixed on the fixing seat, the first tab clamping piece and the second tab clamping piece are oppositely arranged, the first battery core clamping plate and the second battery core clamping plate are oppositely arranged, the tab clamping piece driving mechanism is used for providing driving force to enable the first tab clamping piece and the second tab clamping piece to be close to or far away from each other, and the battery core clamping plate driving mechanism is used for providing driving force to enable the first battery core clamping plate and the second battery core clamping plate to be close to or far away from each other, first utmost point ear folder with second utmost point ear folder all includes clamping part, spacing portion and supporting part, the clamping part is used for pressing from both sides tight electric core negative pole and spills the top of electric core negative pole, the clamping part with the supporting part is used for supporting the both ends of spacer ring respectively, spacing portion is used for forming spacing space, spacing space is used for the restriction cover to establish the spacer ring on electric core to electric core both sides activity.

2. The lithium battery cell clamp of claim 1, wherein the first tab clamping device comprises a first tab fixing plate, a first fixing block and a first protrusion, the first fixing block is connected to an output end of the tab clamping device driving mechanism, the first fixing block is fixed to the first tab fixing plate, and the first protrusion is integrally connected to the first fixing block and arranged along a periphery of the first fixing block;

3. The lithium battery cell clamp of claim 1, wherein the fixing base is provided with a first guide mechanism, and the first tab clamping member and the second tab clamping member are slidably connected to the first guide mechanism.

4. The lithium battery cell clamp of claim 3, wherein the fixing base is provided with a first tab guide hole and a second tab guide hole, the first tab guide hole is connected with a first tab guide block in a sliding manner, the second tab guide hole is connected with a second tab guide block in a sliding manner, the tab clamping driving mechanism is disposed on a side of the fixing base away from the first guide mechanism, an output shaft of the tab clamping driving mechanism is connected to the first tab guide block and the second tab guide block tab clamping driving mechanism, the first tab guide block is connected to the first tab clamping, and the second tab guide block is connected to the second tab clamping.

5. The lithium battery cell clamp of claim 4, wherein the tab clamping member driving mechanism comprises a first driving gear, a first tab rack, a second tab rack, and a first driving rack, the first driving gear is rotatably connected to the fixing base, the first tab rack is connected to the first tab guide block, the second tab rack is connected to the second tab guide block, the first tab rack, the second tab rack, and the first driving rack are engaged with the first driving gear, and the first driving rack is used for connecting a first linear driving device.

6. The lithium battery cell clamp of claim 5, further comprising a connecting member and a third guiding mechanism, wherein the tab clamp driving mechanism further comprises a first slider and a first control rod;

7. The lithium battery cell clamp of claim 6, wherein the fixing base is provided with a first guide hole and a second guide hole, the first guide hole is slidably connected with a first guide block, the second guide hole is slidably connected with a second guide block, the cell clamping plate driving mechanism is disposed on the fixing base on a side away from the first guide mechanism, the first guide block is connected to the first cell clamping plate, the second guide block is connected to the second cell clamping plate, and an output shaft of the cell clamping plate driving mechanism is connected to the first guide block and the second guide block.

8. The lithium battery cell holder of claim 7, wherein the cell clamping plate driving mechanism comprises a second driving gear, a first rack, a second rack, and a second driving rack, the second driving gear is rotatably connected to the fixing base, the first rack is connected to the first guide block, the second rack is connected to the second guide block, the first rack, the second rack, and the second driving rack are engaged with the second driving gear, and the second driving rack is used for connecting a second linear driving device.

9. The lithium battery cell clamp of claim 8, wherein the cell clamping plate drive mechanism further comprises a second slider and a second lever;

10. The lithium battery cell holder of claim 1, wherein a second guide mechanism is disposed on the fixing base, and the first cell clamping plate and the second cell clamping plate are slidably connected to the second guide mechanism.