CN219945109U - Lithium battery negative electrode electric welding clamp - Google Patents

Abstract

The utility model relates to a lithium battery cathode electric welding clamp which comprises a workbench, wherein a rotating rod is rotatably arranged at the bottom of the workbench, a connecting rod extending into the workbench is fixedly arranged at the top of the rotating rod, first conical gears are fixedly arranged at the top of the connecting rod, screw rods are rotatably arranged on the inner walls of the left side and the right side of the workbench, second conical gears meshed with the first conical gears are fixedly arranged at the opposite ends of the two screw rods, moving blocks are arranged on the surfaces of the two screw rods in a threaded manner, sliding rods extending to the tops of the workbench are fixedly arranged at the tops of the two moving blocks, and a fixed plate is fixedly arranged at the tops of the two sliding rods. This lithium cell negative pole electric welding adds clamping apparatus can carry out the centre gripping to not unidimensional square lithium cell for the lithium cell is more stable at the in-process of electric welding, has improved the efficiency of electric welding, makes the practicality of device higher simultaneously.

Description

Lithium battery negative electrode electric welding clamp

Technical Field

The utility model relates to the technical field of lithium battery processing clamps, in particular to a lithium battery cathode electric welding processing clamp.

Background

The lithium battery is a battery using lithium metal or lithium alloy as an anode material, metal lithium or metal alloy thereof as a cathode material and using a nonaqueous electrolyte solution, and the lithium battery has long not been applied because the lithium metal has very active chemical characteristics, so that the lithium metal is processed, stored and used, and the environmental requirements are very high. With the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing, and high requirements are put on power supplies, so that lithium batteries enter a large-scale practical stage.

Chinese patent CN216177882U discloses a fixture for lithium cell negative pole electric welding process, through rectangular frame, first sealed holding strip, second sealed holding strip, drive gear, the cylinder, support guide cylinder, connecting rod and compression spring's cooperation is used, the negative pole piece supports under the effect of two second sealed holding strips and is located the pan feeding slotted hole, the cylinder stretches out and draws back and drive the lithium cell in the support guide cylinder and reciprocate, and drive two sealed holding strips relatively outside under the effect of connecting rod, and two first airtight holding strips seal the pan feeding hole top relatively in under the effect of drive gear, make the lithium cell up move time with the mutual laminating welding of negative pole piece, the efficiency of lithium cell processing has been improved, and automatic positioning to negative pole piece welding has guaranteed lithium cell negative pole welded quality, the practicality is stronger.

By comparing the above prior art documents, the present inventors consider that the following drawbacks exist: the lithium battery of contrast file only can carry out the centre gripping to single size, is difficult to carry out the centre gripping to the lithium battery of equidimension, receives the restriction easily in the in-service use, has reduced the practicality of device, from this we propose this novel solution above problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the lithium battery cathode electric welding clamp which has the advantages of clamping square lithium batteries with different sizes and the like, and solves the problems that a comparison file can only clamp lithium batteries with single size, is difficult to clamp lithium batteries with different sizes, is easy to limit in actual use and reduces the practicability of the device.

In order to achieve the purpose of clamping square lithium batteries with different sizes, the utility model provides the following technical scheme: the utility model provides a lithium cell negative pole electric welding adds clamping apparatus, includes the workstation, the bottom of workstation rotates installs the bull stick, the top fixed mounting of bull stick has the connecting rod that extends to the workstation inside, the top fixed mounting of connecting rod has first conical gear, the equal rotation of inner wall of workstation left and right sides installs the lead screw, two the equal fixed mounting of the relative one end of lead screw has the second conical gear with first conical gear engaged with, two the equal screw thread of surface mounting of lead screw has the movable block, two the equal fixed mounting in top of movable block has the slide bar that extends to the workstation top, two the equal fixed mounting in top of slide bar has the fixed plate, two the mounting groove has all been seted up to the inside of fixed plate, two the inner bottom wall of mounting groove has all rotated the threaded rod that one end extends to the fixed plate top, two the equal fixed mounting in top of threaded rod has the thread bush, two the equal fixed mounting in one side that the thread bush is relative has the fixed rod that extends to the fixed plate outside, two the equal fixed mounting in the opposite side of threaded bush has the fixed mounting of fixed plate, two the centre gripping board has two opposite fixed mounting spring top, two opposite mounting has the fixed mounting top.

Further, the top of installation cover is the opening setting, two the opposite side of limiting plate is all fixed mounting has the slipmat.

Further, two first sliding grooves are formed in the inner bottom wall of the workbench, and first sliding blocks with one ends extending to the corresponding first sliding grooves are fixedly arranged at the bottoms of the two moving blocks.

Further, two second sliding grooves are formed in the top of the workbench, and the two sliding rods are respectively connected with the corresponding second sliding grooves in a sliding mode.

Further, a third sliding groove is formed in one side, opposite to the fixing plates, of each fixing rod, and the fixing rods are respectively connected with the corresponding third sliding grooves in a sliding mode.

Further, the bottom of workstation just is located the equal fixed mounting of left and right sides of bull stick and has the supporting legs, two the equal fixed mounting in bottom of supporting legs has the bottom plate, two the logical groove has all been seted up on the surface of bottom plate.

Compared with the prior art, the utility model provides the lithium battery cathode electric welding clamp, which has the following beneficial effects:

1. this lithium cell negative pole electric welding adds clamping apparatus rotates the bull stick and makes first conical gear rotatory to make two lead screws rotate through second conical gear, two lead screws can make two movable blocks remove to relative or opposite direction when rotating, thereby make the distance between two limiting plates can be adjusted, rotate the runner simultaneously and make the threaded rod rotate, thereby make the limiting plate can reciprocate through the thread bush, can carry out the centre gripping to the lateral wall of lithium cell through two limiting plates, cooperate the centre gripping of spring and grip block to the lithium cell bottom, from this make the device can carry out the centre gripping to the square lithium cell of equidimension, make the lithium cell more stable at the in-process of electric welding, the efficiency of electric welding has been improved, simultaneously make the practicality of device higher.

2. This lithium cell negative pole electric welding adds clamping apparatus, through the slipmat that sets up for frictional force is bigger when contacting with the lithium cell two limiting plates, thereby makes two limiting plates more stable when carrying out the centre gripping to the lithium cell, has further improved the stability when the lithium cell electric welding from this.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a schematic view of the fixing plate, threaded rod, threaded sleeve, fixing rod, limiting plate and anti-slip mat of the present utility model.

In the figure: 1. a work table; 2. a rotating rod; 3. a connecting rod; 4. a first bevel gear; 5. a screw rod; 6. a second bevel gear; 7. a slide bar; 8. a fixing plate; 9. a threaded rod; 10. a thread sleeve; 11. a fixed rod; 12. a limiting plate; 13. a rotating wheel; 14. a mounting cover; 15. a spring; 16. a clamping plate; 17. a sloping plate; 18. a first chute; 19. a first slider; 20. a second chute; 21. a moving block; 22. supporting feet; 23. a bottom plate; 24. a mounting groove; 25. a third chute; 26. an anti-slip mat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2 and fig. 3, including workstation 1, the bottom of workstation 1 rotates and installs bull stick 2, the top fixed mounting of bull stick 2 has the connecting rod 3 that extends to workstation 1 inside, the top fixed mounting of connecting rod 3 has first conical gear 4, the inner wall of the left and right sides of workstation 1 all rotates and installs lead screw 5, the second conical gear 6 that meshes with first conical gear 4 is all installed to the relative one end of two lead screws 5, the equal screw thread of surface mounting of two lead screws 5 has movable block 21, the slide bar 7 that extends to workstation 1 top is all fixed to the top of two movable block 21, the equal fixed mounting of top of two slide bar 7 has fixed plate 8, mounting groove 24 has all been seted up to the inside of two fixed plate 8, the inner bottom wall of two mounting groove 24 all rotates and installs threaded rod 9 that one end extends to the fixed plate 8 top, the top of two threaded rod 13, the equal screw thread bush 10 of the equal surface mounting of two threaded rod 9 has, the equal fixed mounting of one side of two threaded bush 10 extends to the corresponding fixed plate 8, the equal fixed plate 11 is installed to the two fixed plate 11 outside, the two fixed plate 16 is installed to the fixed plate 16, the centre gripping plate 15 is installed to the two fixed plate 15 is fixed plate's the top, the two fixed plate's of the inside is installed to the fixed plate is installed to the top is fixed plate 15, the fixed plate is fixed plate 15 is installed to the top is fixed plate 15, the centre gripping plate is fixed to the top is installed to the two fixed plate is fixed plate 15.

The rotation bull stick 2 makes first conical gear 4 rotatory to make two lead screws 5 rotate through second conical gear 6, two lead screws 5 can make two movable blocks 21 to opposite or opposite directions remove when rotating, thereby make the distance between two limiting plates 12 adjustable, simultaneously rotate runner 13 and make threaded rod 9 rotate, thereby make limiting plate 12 can reciprocate through thread bush 10, can carry out the centre gripping to lithium cell's lateral wall through two limiting plates 12, cooperate spring 15 and grip block 16 to the centre gripping of lithium cell bottom, make the device from this can carry out the centre gripping to the square lithium cell of equidimension, make the lithium cell more stable at the in-process of electric welding, the efficiency of electric welding has been improved, simultaneously make the practicality of device higher.

Wherein, through the swash plate 17 that sets up, conveniently insert the lithium cell.

In this embodiment, the top of the mounting cover 14 is provided with an opening, and the opposite sides of the two limiting plates 12 are fixedly provided with anti-slip pads 26.

Through the slipmat 26 that sets up for frictional force is bigger when contacting with the lithium cell two limiting plates 12, thereby makes two limiting plates 12 more stable when carrying out the centre gripping to the lithium cell, has thereby further improved the stability when the lithium cell electric welding.

In this embodiment, two first sliding grooves 18 are formed in the inner bottom wall of the workbench 1, and first sliding blocks 19 with one ends extending into the corresponding first sliding grooves 18 are fixedly mounted at the bottoms of the two moving blocks 21.

Through the first chute 18 and the first slide block 19, the movable blocks 21 are limited, and the two movable blocks 21 are more stable in moving.

In this embodiment, two second sliding grooves 20 are formed on the top of the workbench 1, and two sliding rods 7 are respectively connected with the corresponding second sliding grooves 20 in a sliding manner.

The sliding rod 7 is convenient to move through the second sliding groove 20.

Referring to fig. 3, in the present embodiment, a third sliding groove 25 is formed on one side of the two fixing plates 8 opposite to each other, and the two fixing rods 11 are slidably connected with the corresponding third sliding grooves 25.

The fixing rod 11 is conveniently moved up and down by the third chute 25.

In this embodiment, the bottom of the workbench 1 and the left and right sides of the rotating rod 2 are fixedly provided with supporting feet 22, the bottoms of the two supporting feet 22 are fixedly provided with bottom plates 23, and the surfaces of the two bottom plates 23 are provided with through grooves.

The workbench 1 is convenient to install through the supporting legs 22, the bottom plate 23 and the through grooves.

When using, when workstation 1 installs the back, insert square lithium cell with the inside of negative pole up direction to installing cover 14, two grip blocks 16 can carry out the centre gripping to square lithium cell's bottom, rotate bull stick 2 and make first conical gear 4 rotatory, thereby make two lead screws 5 rotate through second conical gear 6, two lead screws 5 can make two movable blocks 21 remove to relative direction when rotating, thereby make two limiting plates 12 carry out the centre gripping to square lithium cell's lateral wall, the outside electric welding device of rethread is to the negative pole of direction lithium cell can, very simple and convenient, and the device can carry out the centre gripping to not unidimensional square lithium cell, this novel practicality has been improved greatly.

The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a lithium cell negative pole electric welding adds clamping apparatus, includes workstation (1), its characterized in that: the bottom of the workbench (1) is rotatably provided with a rotating rod (2), the top of the rotating rod (2) is fixedly provided with a connecting rod (3) which extends to the inside of the workbench (1), the top of the connecting rod (3) is fixedly provided with a first conical gear (4), the inner walls of the left side and the right side of the workbench (1) are rotatably provided with a screw rod (5), two opposite ends of the screw rod (5) are fixedly provided with a second conical gear (6) meshed with the first conical gear (4), the surfaces of the two screw rods (5) are provided with moving blocks (21) in a threaded manner, the tops of the moving blocks (21) are fixedly provided with sliding rods (7) which extend to the top of the workbench (1), the tops of the sliding rods (7) are fixedly provided with fixed plates (8), the inside of the fixed plates (8) are provided with mounting grooves (24), the inner bottom walls of the two mounting grooves (24) are rotatably provided with second conical gears (6) with one ends which extend to the tops of the fixed plates (8), the two inner bottom walls of the two mounting grooves (24) are provided with corresponding threaded rods (9), the two rotating wheels (10) are fixedly provided with corresponding threaded sleeves (10) on the surfaces of the two rotating wheels (9) which are fixedly provided with the corresponding threaded sleeves (10), two equal fixed mounting of opposite one end of dead lever (11) has limiting plate (12), the centre fixed mounting at workstation (1) top has installing cover (14), the equal fixed mounting of inner wall of installing cover (14) left and right sides has spring (15), two equal fixed mounting of the opposite one end of spring (15) has grip block (16), two equal fixed mounting in top of grip block (16) has swash plate (17).

2. The lithium battery negative electrode electric welding fixture according to claim 1, wherein: the top of the mounting cover (14) is provided with an opening, and anti-skid pads (26) are fixedly arranged on one sides of the two limiting plates (12) opposite to each other.

3. The lithium battery negative electrode electric welding fixture according to claim 1, wherein: two first sliding grooves (18) are formed in the inner bottom wall of the workbench (1), and first sliding blocks (19) with one ends extending into the corresponding first sliding grooves (18) are fixedly arranged at the bottoms of the two moving blocks (21).

4. The lithium battery negative electrode electric welding fixture according to claim 1, wherein: two second sliding grooves (20) are formed in the top of the workbench (1), and the two sliding rods (7) are respectively connected with the corresponding second sliding grooves (20) in a sliding mode.

5. The lithium battery negative electrode electric welding fixture according to claim 1, wherein: and a third sliding groove (25) is formed in one side, opposite to the two fixing plates (8), of each fixing plate, and the two fixing rods (11) are respectively connected with the corresponding third sliding grooves (25) in a sliding mode.

6. The lithium battery negative electrode electric welding fixture according to claim 1, wherein: the bottom of workstation (1) and lie in the left and right sides of bull stick (2) all fixed mounting have supporting legs (22), two the bottom of supporting legs (22) is all fixed mounting have bottom plate (23), two the logical groove has all been seted up on the surface of bottom plate (23).