CN217045232U

CN217045232U - Spot welding fixing clamp for processing square lithium battery

Info

Publication number: CN217045232U
Application number: CN202220703297.8U
Authority: CN
Inventors: 王佳飞
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-07-26
Anticipated expiration: 2032-03-29

Abstract

The utility model provides a spot welding mounting fixture is used in processing of square lithium cell, it includes working plate and clamping mechanism, clamping mechanism includes first clamping component, second clamping component and drive assembly, wherein first clamping component fixed mounting is on the working plate, second clamping component symmetry sets up in first clamping component one side, first clamping component and second clamping component structure are the same, wherein, second clamping component includes U-shaped board, slide bar, clamp plate and spring, U-shaped inboard wall fixedly connected with slide bar, slidable mounting has two clamp plates that are parallel to each other on the slide bar, the cover is equipped with on the slide bar between clamp plate and the U-shaped inboard wall the spring, drive assembly is connected with the U-shaped board on the second clamping component. The utility model discloses can press from both sides tightly square lithium cell all around, can fix square lithium cell firmly, be convenient for carry out spot welding to square lithium cell, prevent the crooked condition from appearing in the spot welding process, reduce the error of spot welding.

Description

Spot welding fixing clamp for processing square lithium battery

Technical Field

The utility model relates to a lithium cell production manufacturing equipment technical field especially relates to a spot welding mounting fixture is used in processing of square lithium cell.

Background

The lithium battery is a battery made of lithium metal and a non-aqueous electrolyte solution, at the present stage, a square lithium battery is widely applied, the square lithium battery needs a stable environment for processing, the danger caused by excessively active chemical properties of internal substances is avoided, spot welding is needed in the square lithium battery processing, a fixing device is needed for fixing the square lithium battery in the spot welding, and shaking and deviation are avoided; the existing spot welding fixture structure for assembling and manufacturing the square lithium battery can only clamp two opposite sides of the battery, and cannot clamp the battery in all directions, so that the clamping effect of the battery is unstable, the situation of deflection is easy to occur, and the spot welding of the square lithium battery is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a square spot welding mounting fixture for lithium cell processing solves the unstable problem of square lithium cell centre gripping.

The technical scheme of the utility model is realized like this:

the utility model provides a spot welding fixing clamp for processing square lithium battery, which comprises a working plate and a clamping mechanism arranged on the working plate, wherein the clamping mechanism comprises a first clamping component, a second clamping component and a driving component, the first clamping component is fixedly arranged on the working plate, the second clamping component is symmetrically arranged at one side of the first clamping component, the driving component is used for driving the second clamping component to move towards the first clamping component to match the first clamping component to clamp the square lithium battery, the first clamping component and the second clamping component have the same structure, wherein the second clamping component comprises a U-shaped plate, a sliding rod, a clamping plate and a spring, the inner wall of the U-shaped plate is fixedly connected with the sliding rod, two clamping plates which are parallel to each other are arranged on the sliding rod in a sliding way, the spring is sheathed on the sliding rod between the clamping plate and the inner wall of the U-shaped plate, the driving assembly is connected with the U-shaped plate on the second clamping assembly.

On the basis of the technical scheme, preferably, drive assembly includes fixed plate and electric putter, fixed plate fixed mounting is on the working plate of second clamping component one side, and electric putter's stiff end fixed mounting is on the fixed plate, and electric putter's free end pass the fixed plate and with the horizontal fixed connection of U-shaped board outer wall on the second clamping component.

Further, preferably, the driving assembly further comprises two first guide rods, the two first guide rods are symmetrically arranged on two sides of the electric push rod and are parallel to the electric push rod, one end of each first guide rod is fixedly connected with the outer wall of the U-shaped plate on the second clamping assembly, and the other end of each first guide rod movably penetrates through the fixing plate.

Preferably, the cross section of the sliding rod is of a square structure.

On above-mentioned technical scheme's basis, it is preferred, still including cleaning the mechanism, clean the mechanism setting on the working plate of clamping mechanism one side, and be located between first clamping component and the second clamping component, clean the mechanism including articulated seat, well hollow plate, threaded rod, connecting block and clearance brush, articulated horizontal fixed mounting of seat is on the working plate, and the one end of well hollow plate articulates on articulated seat, and the upper and lower both sides inner wall of well hollow plate rotates installs the threaded rod, and threaded connection has the connecting block on the threaded rod, connecting block front side fixed connection the clearance brush.

Further, preferably, one end of the threaded rod passes through the hollow plate and is connected with an adjusting knob or a motor.

Further, it is preferred, clean the mechanism and still include two second guide bars, two second guide bars symmetries set up in the both sides of threaded rod, and be parallel to each other with the threaded rod, the both ends of second guide bar respectively with the upper and lower both sides inner wall fixed connection of cavity board, the connecting block slides and sets up on the second guide bar.

Further, it is preferred, clean the mechanism and still include the setting element, the setting element is fixed to be set up on the work board of clamping mechanism opposite side, and the setting element aligns each other with articulated seat, and when the cavity board was for articulated seat upset level, the setting element supported the cavity board.

Further, preferably, the thickness of the positioning member is greater than that of the U-shaped plate.

Further, preferably, at least one positioning hole is formed in the positioning piece, and a positioning pin matched with the positioning hole is arranged on the hollow plate.

The utility model discloses following beneficial effect has for prior art:

(1) the utility model discloses a spot welding fixing clamp is used in processing of square lithium cell, through setting up first clamping component and second clamping component, can adjust the interval between second clamping component and the first clamping component through drive assembly simultaneously, and use through the cooperation of U-shaped board, the slide bar, clamp plate and spring, can press from both sides tightly square lithium cell all around, can fix square lithium cell firmly, be convenient for carry out spot welding to square lithium cell, prevent the crooked condition from appearing in the spot welding process, reduce the error of spot welding, use through the cooperation of clamp plate and spring, make clamp plate have elasticity, be convenient for adjust according to the different sizes of square lithium cell, it is very convenient to use;

(2) clean the mechanism through the setting to use through the cooperation of well hollow plate, threaded rod, connecting block and clearance brush, after square lithium cell carries out spot welding operation, can clean the ash floating on the square lithium cell, avoid the ash floating to adhere to and influence its outward appearance testing performance on lithium cell surface, also avoid causing the influence to the follow-up production process after the battery pollution.

Drawings

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

Fig. 1 is a schematic plane structure diagram of a spot welding fixing clamp for processing a square lithium battery disclosed by the utility model;

fig. 2 is a schematic structural view of the clamping mechanism and the cleaning mechanism disclosed by the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

the attached drawings are as follows:

1. a working plate; 2. a clamping mechanism; 21. a first clamping assembly; 22. a second clamping assembly; 23. a drive assembly; 210. a U-shaped plate; 220. a slide bar; 230. a clamping plate; 240. a spring; 231. a fixing plate; 232. an electric push rod; 233. a first guide bar; 3. a cleaning mechanism; 31. a hinged seat; 32. a hollow plate; 33. a threaded rod; 34. connecting blocks; 35. cleaning brushes; 36. a second guide bar; 37. a positioning member; 371. positioning holes; 321. and positioning pins.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to 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 work all belong to the protection scope of the present invention.

As shown in fig. 1, with reference to fig. 2 and 3, an embodiment of the present invention discloses a spot welding fixing fixture for processing a square lithium battery, which includes a working plate 1 and a clamping mechanism 2 installed on the working plate 1.

The working plate 1 is a flat plate and can be arranged on a machine table or a matched tool of a production line.

The clamping mechanism 2 comprises a first clamping component 21, a second clamping component 22 and a driving component 23, wherein, the first clamping assembly 21 is fixedly arranged on the working plate 1, the second clamping assemblies 22 are symmetrically arranged at one side of the first clamping assembly 21, the driving assembly 23 is used for driving the second clamping assembly 22 to move towards the first clamping assembly 21 so as to match the first clamping assembly 21 to clamp the lithium battery, the first clamping assembly 21 and the second clamping assembly 22 have the same structure, the second clamping assembly 22 comprises a U-shaped plate 210, a sliding rod 220, clamping plates 230 and springs 240, the sliding rod 220 is fixedly connected to the inner wall of the U-shaped plate 210, the two clamping plates 230 which are parallel to each other are slidably mounted on the sliding rod 220, the springs 240 are sleeved on the sliding rod 220 between the clamping plates 230 and the inner wall of the U-shaped plate 210, and the driving assembly 23 is connected with the U-shaped plate 210 on the second clamping assembly 22.

By adopting the technical scheme, when the square lithium battery is clamped, the distance between the first clamping component 21 and the second clamping component 22 is adjusted according to the size of the square lithium battery, the driving component 23 drives the second clamping component 22 to horizontally move towards the first clamping component 21, after the proper distance is adjusted, the square lithium battery is horizontally placed between the two clamping plates 230 by separating a certain gap from each other through the two clamping plates 230, opposite edges at two ends of the square lithium battery can be clamped through the two groups of clamping plates 230, and when the driving component 23 drives the second clamping component 22 to move towards the first clamping component 21, the other group of opposite edges of the square lithium battery can be clamped through the inner wall of the U-shaped plate 210. From this can be to firm centre gripping around the square lithium cell, be convenient for spot welding square lithium cell, prevent the crooked condition of spot welding in-process appearance, reduce the error of spot welding, use through the cooperation of clamp plate 230 and spring 240 for clamp plate 230 has elasticity, is convenient for adjust according to the not unidimensional of square lithium cell, and it is very convenient to use.

In some preferred embodiments, the driving assembly 23 includes a fixing plate 231 and an electric push rod 232, the fixing plate 231 is fixedly mounted on the working plate 1 on one side of the second clamping assembly 22, a fixed end of the electric push rod 232 is fixedly mounted on the fixing plate 231, and a free end of the electric push rod 232 passes through the fixing plate 231 and is horizontally and fixedly connected with the outer wall of the U-shaped plate 210 on the second clamping assembly 22. Therefore, the electric push rod 232 can drive the second clamping assembly 22 to move horizontally, and then the distance between the second clamping assembly 22 and the first clamping assembly 21 is adjusted.

In order to make the second clamping assembly 22 move smoothly when moving horizontally, the present embodiment adopts the following scheme: the driving assembly 23 further includes two first guide rods 233, the two first guide rods 233 are symmetrically disposed on two sides of the electric push rod 232 and parallel to the electric push rod 232, one end of the first guide rod 233 is fixedly connected to an outer wall of the U-shaped plate 210 on the second clamping assembly 22, and the other end of the first guide rod 233 movably penetrates through the fixing plate 231. With this arrangement, when the electric push rod 232 drives the second clamping assembly 22 to move horizontally, the electric push rod can slide on the fixing plate 231 through the first guide rod 233, so as to avoid the second clamping assembly 22 from shifting or turning over when moving horizontally, and ensure the stability of clamping.

Since the clamping plate 230 slides on the sliding rod 220, in order to ensure that the clamping plate 230 does not rotate around the sliding rod 220 after clamping the square lithium battery, the present embodiment adopts the following scheme: the cross section of the sliding rod 220 is a square structure, so that the sliding rod 220 can limit the rotation of the clamping plate 230 after the clamping plate 230 is sleeved on the sliding rod 220.

The dust on the surface of the square lithium battery can directly influence the appearance detection performance of the square lithium battery because the dust is attached to the surface of the lithium battery in the production process of the square lithium battery and can also be attached to the surface of the lithium battery in the spot welding operation process, and after the square lithium battery is delivered from a warehouse and before the coating process, the dust on the surface of a battery core can influence the coating quality on one hand and the appearance defect of the battery on the other hand.

Therefore, the utility model discloses a scheme is: still set up on this disclosed square spot welding mounting fixture for lithium cell processing cleans mechanism 3, and is concrete, clean mechanism 3 and set up on the working plate 1 of 2 one sides of clamping mechanism, and be located between first clamping component 21 and the second clamping component 22, clean mechanism 3 including articulated seat 31, well hollow plate 32, threaded rod 33, connecting block 34 and clearance brush 35, articulated seat 31 horizontal fixed mounting is on working plate 1, and the one end of well hollow plate 32 articulates on articulated seat 31, and the upper and lower both sides inner wall of well hollow plate 32 rotates installs threaded rod 33, and threaded connection has connecting block 34 on threaded rod 33, connecting block 34 front side fixed connection clearance brush 35. From this setting, accomplish the fixed mounting back on clamping mechanism 2 when the lithium cell, with well cavity board 32 around articulated seat 31 upset between first clamping component 21 and the second clamping component 22, after well cavity board 32 upset level, rotate through drive threaded rod 33, drive connecting block 34 horizontal migration, and then drive cleaning brush 35 and clean the side type lithium cell surface, avoid floating the ash to adhere to and influence its outward appearance testing performance at lithium cell surface, also avoid causing the influence to follow-up production process after the battery pollution.

In this embodiment, the threaded rod 33 is driven to rotate in two ways, one way is that one end of the threaded rod 33 penetrates through the hollow plate 32 and is connected with the adjusting knob, the threaded rod 33 is driven to rotate by the rotation of the adjusting knob, the other way is that one end of the threaded rod 33 penetrates through the hollow plate 32 and is connected with the motor, and the threaded rod 33 is driven to rotate by the rotation of the motor.

As some preferred embodiments, the cleaning mechanism 3 further includes two second guide rods 36, the two second guide rods 36 are symmetrically disposed on both sides of the threaded rod 33 and are parallel to the threaded rod 33, both ends of the second guide rods 36 are fixedly connected to the inner walls of the upper and lower sides of the hollow plate 32, respectively, and the connecting block 34 is slidably disposed on the second guide rods 36. Therefore, when the connecting block 34 horizontally slides on the threaded rod 33, the second guide rod 36 can be used for guiding, and the connecting block 34 is ensured to move stably.

After the hollow plate 32 is turned over horizontally, the hollow plate 32 needs to be fixed, and the scheme adopted by the embodiment is as follows: the cleaning mechanism 3 further comprises a positioning element 37, the positioning element 37 is fixedly arranged on the working plate 1 on the other side of the clamping mechanism 2, and the positioning element 37 is aligned with the hinge seat 31, so that the positioning element 37 supports the hollow plate 32 when the hollow plate 32 is turned over and horizontal relative to the hinge seat 31.

Preferably, the thickness of the spacer 37 is greater than the thickness of the U-shaped plate 210. Therefore, the hollow plate 32 can be prevented from being positioned between the first clamping assembly 21 and the second clamping assembly 22 and invading a battery clamping area, and cleaning after the battery is fixed can not be guaranteed.

In some preferred embodiments, the positioning member 37 is provided with at least one positioning hole 371, and the hollow plate 32 is provided with a positioning pin 321 matching with the positioning hole 371. Therefore, after the hollow plate 32 is turned over to be horizontal, the positioning pin 321 on the hollow plate 32 can be matched with the positioning hole 371 on the positioning piece 37, the hollow plate 32 and the positioning piece 37 can be positioned on the horizontal plane, and the hollow plate 32 is prevented from moving or turning.

The utility model discloses a theory of operation is:

the distance between the first clamping assembly 21 and the second clamping assembly 22 is adjusted according to the size of the square lithium battery, the driving assembly 23 drives the second clamping assembly 22 to horizontally move towards the first clamping assembly 21, after the distance is adjusted to a proper value, the square lithium battery is horizontally placed between the two clamping plates 230 by separating a certain gap between the two clamping plates 230, opposite sides of two ends of the square lithium battery can be clamped through the two groups of clamping plates 230, and when the driving assembly 23 drives the second clamping assembly 22 to move towards the first clamping assembly 21, the other group of opposite sides of the square lithium battery can be clamped through the inner wall of the U-shaped plate 210. From this can be to firm centre gripping around the square lithium cell, be convenient for carry out spot welding to square lithium cell, prevent the crooked condition from appearing in the spot welding process. After the lithium cell accomplished fixed mounting on clamping mechanism 2, with well hollow plate 32 around articulated seat 31 upset between first clamping component 21 and the second clamping component 22, after well hollow plate 32 upset level, cooperate the location with setting element 37, rotate through drive threaded rod 33, drive connecting block 34 horizontal migration, and then drive cleaning brush 35 and clean the side type lithium cell surface, avoid floating the ash to adhere to and influence its outward appearance detection performance on the lithium cell surface, also avoid causing the influence to follow-up production process after the battery pollution.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a spot welding mounting fixture is used in processing of square lithium cell, its includes work board (1) and installs clamping mechanism (2) on work board (1), its characterized in that: the clamping mechanism (2) comprises a first clamping assembly (21), a second clamping assembly (22) and a driving assembly (23), wherein the first clamping assembly (21) is fixedly installed on the working plate (1), the second clamping assembly (22) is symmetrically arranged on one side of the first clamping assembly (21), the driving assembly (23) is used for driving the second clamping assembly (22) to move towards the first clamping assembly (21) so as to be matched with the first clamping assembly (21) to clamp the square lithium battery, the first clamping assembly (21) and the second clamping assembly (22) are identical in structure, the second clamping assembly (22) comprises a U-shaped plate (210), a sliding rod (220), a clamping plate (230) and a spring (240), the inner wall of the U-shaped plate (210) is fixedly connected with the sliding rod (220), and two clamping plates (230) which are parallel to each other are slidably installed on the sliding rod (220), the spring (240) is sleeved on the sliding rod (220) between the clamping plate (230) and the inner wall of the U-shaped plate (210), and the driving assembly (23) is connected with the U-shaped plate (210) on the second clamping assembly (22).

2. The spot welding fixing jig for processing a square lithium battery as claimed in claim 1, wherein: the driving assembly (23) comprises a fixing plate (231) and an electric push rod (232), the fixing plate (231) is fixedly installed on the working plate (1) on one side of the second clamping assembly (22), the fixed end of the electric push rod (232) is fixedly installed on the fixing plate (231), and the free end of the electric push rod (232) penetrates through the fixing plate (231) and is horizontally and fixedly connected with the outer wall of the U-shaped plate (210) on the second clamping assembly (22).

3. The spot welding fixing jig for processing a square lithium battery as claimed in claim 2, wherein: the driving assembly (23) further comprises two first guide rods (233), the two first guide rods (233) are symmetrically arranged on two sides of the electric push rod (232) and are parallel to the electric push rod (232), one end of each first guide rod (233) is fixedly connected with the outer wall of the U-shaped plate (210) on the second clamping assembly (22), and the other end of each first guide rod (233) movably penetrates through the fixing plate (231).

4. The spot welding fixture for square lithium battery processing as claimed in claim 1, wherein: the cross section of the sliding rod (220) is of a square structure.

5. The spot welding fixture for square lithium battery processing as claimed in claim 1, wherein: still including cleaning mechanism (3), clean mechanism (3) and set up on working plate (1) of clamping mechanism (2) one side, and be located between first clamping component (21) and second clamping component (22), clean mechanism (3) including articulated seat (31), well hollow plate (32), threaded rod (33), connecting block (34) and clearance brush (35), articulated seat (31) horizontal fixed mounting is on working plate (1), and the one end of well hollow plate (32) articulates on articulated seat (31), and threaded rod (33) are installed in the rotation of the upper and lower both sides inner wall of well hollow plate (32), and threaded rod (33) are gone up threaded connection and are had connecting block (34), connecting block (34) front side fixed connection clearance brush (35).

6. The spot welding fixing jig for processing a square lithium battery as claimed in claim 5, wherein: one end of the threaded rod (33) penetrates through the hollow plate (32) and is connected with an adjusting knob or a motor.

7. The spot welding fixture for square lithium battery processing as claimed in claim 5, wherein: cleaning mechanism (3) still include two second guide bars (36), and two second guide bars (36) symmetry set up in the both sides of threaded rod (33), and are parallel to each other with threaded rod (33), the both ends of second guide bar (36) respectively with the upper and lower both sides inner wall fixed connection of cavity board (32), connecting block (34) slide and set up on second guide bar (36).

8. The spot welding fixture for square lithium battery processing as claimed in claim 5, wherein: cleaning mechanism (3) still include setting element (37), setting element (37) are fixed to be set up on work board (1) of clamping mechanism (2) opposite side, and setting element (37) and articulated seat (31) align each other, and when well hollow plate (32) overturned the level for articulated seat (31), setting element (37) support well hollow plate (32).

9. The spot welding fixture for square lithium battery processing as claimed in claim 8, wherein: the thickness of the positioning piece (37) is higher than that of the U-shaped plate (210).

10. The spot welding fixture for square lithium battery processing as claimed in claim 9, wherein: the positioning piece (37) is provided with at least one positioning hole (371), and the hollow plate (32) is provided with a positioning pin (321) matched with the positioning hole (371).