CN215034412U - Electrode spot welding device for lithium ion battery - Google Patents

Abstract

The utility model relates to a spot welding technical field just discloses a lithium ion battery electrode spot welding device, including electric welding device body, the positive lower extreme fixed mounting of electric welding device body has the workstation, the dwang has been cup jointed in the inner wall activity of workstation, the motion piece has been cup jointed in the outer wall activity of dwang, the lower bottom surface fixedly connected with stopper of motion piece. The utility model discloses a L-shaped piece, a spring, cooperation between fixed block and the rotary rod, utilize the restriction that the circumference of rotary rod rotated and combines the T-shaped piece, the horizontal motion of fixed block has been realized, the effect of L-shaped piece to lithium ion battery machinery centre gripping has been reached, artifical hand problem has been solved effectively, the machinery centre gripping replaces artifical hand, the work load of staff has been alleviateed, the direct contact with spot welding device of staff has still been avoided simultaneously, the risk of accident has been reduced during staff adds man-hour to lithium ion battery electrode spot welding.

Description

Electrode spot welding device for lithium ion battery

Technical Field

The utility model relates to a spot welding technical field specifically is a lithium ion battery electrode spot welding device.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode, and is chargedDuring discharge, Li⁺Intercalation and deintercalation to and from two electrodes: upon charging, Li⁺The lithium ion battery is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; when discharging, the opposite is true, and the step of spot welding is needed in the processing production of the lithium ion battery electrode, and the spot welding refers to that a columnar electrode is utilized during welding, a welding method for forming welding spots between the contact surfaces of two overlapped workpieces features that during spot welding, the workpieces are pressed to make them contact closely and then connected to electric current, the contact position of the workpiece is melted under the action of resistance heat, a welding spot is formed after cooling, an electric welding machine is needed when the processing requirement of spot welding is met, the spot welding machine adopts the principle of double-sided double-point overcurrent welding, two electrodes pressurize the workpiece when the spot welding machine works, so that two layers of metal form certain contact resistance under the pressure of the two electrodes, when the welding current flows from one electrode to the other electrode, instant thermal welding is formed at two contact resistance points, and the welding current instantly flows from the other electrode to the electrode along the two workpieces to form a loop, and the internal structure of the workpiece to be welded is not damaged.

However, in the existing spot welding processing of the lithium electronic battery electrode, the lithium electronic battery electrode needs to be manually held and moved for spot welding processing, working fatigue is easy to occur when workers work for a long time, and the workers working in fatigue directly contact with the spot welding device during spot welding, so that the risk of accidents of the workers is increased; the manual handheld mode also easily appears the inaccuracy of spot welding position, leads to appearing many places and has not welded the condition of success, has increased the step of secondary spot welding processing, has still reduced the quality and the quality of spot welding simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lithium ion battery electrode spot welding device, possess the mechanical clamping and replace artifical handheld, reduce the risk that staff's accident takes place, improve the quality of lithium ion battery motor spot welding and the advantage of the efficiency of improvement spot welding processing, solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: a lithium ion battery electrode spot welding device comprises an electric welding device body, wherein a workbench is fixedly mounted at the front lower end of the electric welding device body, a rotating rod is sleeved on the inner wall of the workbench, a moving block is sleeved on the outer wall of the rotating rod, a limiting block is fixedly connected to the lower bottom surface of the moving block, a round rod is sleeved on the inner wall of the limiting block, the left end and the right end of the round rod are fixedly connected with the left side and the right side of the inner wall of the workbench, a bottom plate is fixedly connected to one side of the moving block away from the limiting block, the upper side of the bottom plate extends to the outside of the workbench, a support positioned above the workbench is fixedly mounted on the right side of the bottom plate, a rotating shaft is sleeved on the inner part of the support in a movable mode, a main gear is fixedly sleeved on the outer wall of the rotating shaft, a sub gear positioned on the inner wall of the bottom plate is movably connected to the left side of the outer wall of the main gear, and the outer wall of the sub gear is meshed with the outer wall of the main gear, a straight ruler strip is movably connected to one side of the pinion, which is far away from the main gear, the front end and the rear end of the straight ruler strip extend to the outside of the bottom plate, the lower bottom surface of the bottom plate is fixedly connected with a slide block, the left side of the bottom plate is fixedly connected with a convex block, the upper surface of the ruler strip is fixedly provided with a base, the upper side of the base extends to the upper part of the bottom plate, the inner wall of the base is movably sleeved with a rotating rod, the outer wall of the rotating rod is movably sleeved with a movable block, the lower bottom surface of the movable block is fixedly provided with a T-shaped block, the right sides of the upper surface of the movable block and the upper surface of the base are both fixedly provided with fixed blocks, the bottom surface of the inner wall of the fixed block is fixedly provided with a spring, one end of the spring far away from the fixed block is fixedly provided with an L-shaped block, and the upper end of L-shaped piece extends to the top of fixed block, the left and right sides fixed mounting of L-shaped piece has the supporting shoe that is located the inside of fixed block.

Preferably, the right side of the workbench is provided with a rotating hole, the left side of the inner wall of the workbench is provided with a rotating groove corresponding to the rotating hole, the upper surface of the workbench is provided with a rectangular hole, and the inner wall of the rectangular hole is movably sleeved with the lower end of the outer wall of the bottom plate.

Preferably, the right-hand member fixed mounting of dwang has the runner that is located the workstation outside, the right side of dwang outer wall cup joints with the inner wall activity in the rotation hole of workstation, the outer wall of dwang left end cup joints with the inner wall activity in the rotation groove of workstation, the outer wall of dwang is provided with a screw thread, the outer wall of dwang cup joints with the inner wall screw thread of motion piece, and the inner wall of motion piece is provided with a screw thread corresponding with the dwang outer wall.

Preferably, the left side of the inner wall of the bottom plate is provided with a groove, the inner wall of the groove is movably sleeved with the outer wall of the convex block, the lower bottom surface of the inner wall of the bottom plate is provided with a sliding groove, the inner wall of the sliding groove is movably sleeved with the outer wall of the sliding block, the upper surface of the bottom plate is provided with a moving hole corresponding to the position of the sliding groove, the inner wall of the moving hole is movably sleeved with the lower end of the outer wall of the base, the right side of the bottom plate is provided with a through hole, and the inner wall of the through hole is movably sleeved with the outer wall of the main gear.

Preferably, a rotating hole is formed in the left side of the base, a rotating groove corresponding to the rotating hole is formed in the right side of the inner wall of the base, a moving hole is formed in the upper surface of the base, the inner wall of the moving hole is movably sleeved with the outer wall of the moving block, a T-shaped groove corresponding to the moving hole is formed in the bottom surface of the inner wall of the base, and the inner wall of the T-shaped groove is movably sleeved with the outer wall of the T-shaped block.

Preferably, the left side of rotary rod outer wall cup joints with the inner wall activity in the rotatory hole that the base was seted up, the outer wall of rotary rod right-hand member cup joints with the inner wall activity in the rotatory groove that the base was seted up, the outer wall of rotary rod is provided with No. two threads, the outer wall of rotary rod cup joints with the inner wall thread of movable block, and the inner wall of movable block is provided with No. two threads corresponding with the rotary rod outer wall.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a L-shaped piece, a spring, cooperation between fixed block and the rotary rod, utilize the restriction that the circumference of rotary rod rotated and combines the T-shaped piece, the horizontal motion of fixed block has been realized, the effect of L-shaped piece to lithium ion battery machinery centre gripping has been reached, artifical hand problem has been solved effectively, the machinery centre gripping replaces artifical hand, the work load of staff has been alleviateed, the direct contact with spot welding device of staff has still been avoided simultaneously, the risk of accident has been reduced during staff adds man-hour to lithium ion battery electrode spot welding.

2. The utility model discloses an pinion, the ruler strip, the cooperation between dwang and the motion piece, utilize the motion that the pinion drove the ruler strip, the effect of the back-and-forth movement of lithium ion battery electrode spot welding processing has been realized, and simultaneously, the rotation that utilizes the dwang provides power for moving about the motion piece, the effect of moving about lithium ion battery electrode spot welding processing has been realized, lithium ion battery's removal problem in the spot welding processing has been solved effectively, the flexibility and the mobility of spot welding device have been increased, the quality and the quality of lithium ion battery spot welding have still been increased simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the inventive ruler strip;

fig. 3 is a top view of the bottom plate of the present invention;

fig. 4 is a top view of the L-shaped block of the present invention;

fig. 5 is a right side view of the movable block of the present invention.

In the figure: 1. an electric welding device body; 2. a work table; 3. rotating the rod; 4. a motion block; 5. a limiting block; 6. a round bar; 7. a base plate; 8. a support; 9. a rotating shaft; 10. a main gear; 11. a pinion gear; 12. a straight rule strip; 13. a slider; 14. a bump; 15. a base; 16. rotating the rod; 17. a movable block; 18. a T-shaped block; 19. a fixed block; 20. a spring; 21. an L-shaped block; 22. and (7) a supporting block.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, a lithium ion battery electrode spot welding device comprises an electric welding device body 1, a workbench 2 is fixedly mounted at the lower end of the front surface of the electric welding device body 1, the workbench 2 is mounted to provide a supporting function for mounting of each part, a rotating rod 3 is movably sleeved on the inner wall of the workbench 2, a moving block 4 is movably sleeved on the outer wall of the rotating rod 3, a limiting block 5 is fixedly connected to the lower bottom surface of the moving block 4, the rotating rod 3 is rotated along the circumference and is combined with the limiting block 5 to limit the limiting block 5, so that the horizontal movement of the moving block 4 is realized, the effect of left and right movement in the lithium ion battery spot welding processing is achieved, the functionality of the spot welding device is increased, the utilization rate of the spot welding device is improved, a round rod 6 is movably sleeved on the inner wall of the limiting block 5, the round rod 6 is mounted to provide a support and a platform for the movement of the limiting block 5, and the left and right ends of the round rod 6 are fixedly connected with the left and right sides of the inner wall of the workbench 2, a bottom plate 7 is fixedly connected to one side of the motion block 4 far away from the limiting block 5, the upper side of the bottom plate 7 extends to the outside of the workbench 2, the bottom plate 7 is installed to provide a platform for the left and right movement of the lithium ion battery, a bracket 8 positioned above the workbench 2 is fixedly installed on the right side of the bottom plate 7, the bracket 8 is installed to reinforce the stability of the rotating shaft 9 during installation and rotation, the rotating shaft 9 is movably sleeved in the bracket 8, the rotating shaft 9 is installed to provide power support for the rotation of a main gear 10, a main gear 10 is fixedly sleeved on the outer wall of the rotating shaft 9, an auxiliary gear 11 positioned on the inner wall of the bottom plate 7 is movably connected to the left side of the outer wall of the main gear 10, the outer wall of the auxiliary gear 11 is meshed with the outer wall insection of the main gear 10, the connection mode of insection meshing realizes the forward and backward motion of driving the straight ruler 12 through the gear transmission, and the side of the auxiliary gear 11 far away from the main gear 10 is movably connected with the straight ruler 12, the front end and the rear end of the straight ruler strip 12 extend to the outside of the bottom plate 7, the front and the rear ends of the straight ruler strip 12 extend to the outside of the bottom plate 7, the front and the rear movement of the lithium ion battery is realized through the front and the rear movement of the straight ruler strip 12, the support is provided for the operation of the front and the rear movement of the lithium ion battery, the flexibility of the spot welding device is increased, the lower bottom surface of the bottom plate 7 is fixedly connected with a slide block 13, the installation of the slide block 13 plays a role in supporting the straight ruler strip 12, the left side of the bottom plate 7 is fixedly connected with a convex block 14, the installation of the convex block 14 plays a role in limiting the movement direction of the straight ruler strip 12, the upper surface of the straight ruler strip 12 is fixedly provided with a base 15, the upper side of the base 15 extends to the upper side of the bottom plate 7, the inner wall of the base 15 is movably sleeved with a rotating rod 16, the outer wall of the rotating rod 16 is movably sleeved with a movable block 17, the lower bottom surface of the movable block 17 is fixedly provided with a T-shaped block 18, the installation of the T-shaped block 18 playing a role in limiting the function in limiting the movable block 17 to only making left and right horizontal movement, the upper surface of the movable block 17 and the right side of the upper surface of the base 15 are both fixedly provided with a fixed block 19, the bottom surface of the inner wall of the fixed block 19 is fixedly provided with a spring 20, the elasticity of the spring 20 is utilized to play a role in compressing the lithium ion battery, one end of the spring 20 far away from the fixed block 19 is fixedly provided with an L-shaped block 21, the upper end of the L-shaped block 21 extends to the upper part of the fixed block 19, the installation of the fixed block 19 and the L-shaped block 21 plays a role in clamping the electrode spot welding processing of the lithium ion battery, the stability of the spot welding of the lithium ion battery is enhanced, the accuracy of the spot welding position of the lithium ion battery is improved, the quality and quality of the spot welding processing are improved, meanwhile, the mechanical clamping replaces the manual hand holding mode, the risk of accidents of workers is reduced, the supporting blocks 22 positioned inside the fixed block 19 are fixedly installed on the left side and the right side of the L-shaped block 21, and the installation of the supporting blocks 22 strengthens the motion stability of the L-shaped block 21, the falling off of L-shaped block 21 is avoided.

Wherein, the rotation hole has been seted up on the right side of workstation 2, and the rotation groove corresponding with rotation hole position has been seted up in the left side of workstation 2 inner wall, and the rectangular hole has been seted up to the upper surface of workstation 2, and the inner wall in rectangular hole cup joints with the lower extreme activity of bottom plate 7 outer wall, and the offering of rectangular hole provides the space for moving about bottom plate 7.

Wherein, the right-hand member fixed mounting of dwang 3 has the runner that is located 2 outsides of workstation, the installation of runner is convenient for the staff to the rotation of dwang 3, the right side of dwang 3 outer wall cup joints with the inner wall activity in workstation 2's rotation hole, the outer wall of dwang 3 left end cup joints with the inner wall activity in workstation 2's rotation groove, dwang 3 cup joints with the activity in rotation hole and rotation groove respectively, dwang 3 pivoted route has been restricted, stability when dwang 3 rotates has still been consolidated simultaneously, the outer wall of dwang 3 is provided with a screw thread, the outer wall of dwang 3 cup joints with the inner wall screw thread of motion piece 4, and the inner wall of motion piece 4 is provided with a screw thread corresponding with dwang 3 outer wall, the connected mode that the screw thread cup joints provides the support of power for the motion of motion piece 4.

Wherein, the left side of bottom plate 7 inner wall is seted up flutedly, and the inner wall of recess cup joints with the outer wall activity of lug 14, the direction of motion and the route of lug 14 have been restricted in seting up of recess, the spout has been seted up to the lower bottom surface of bottom plate 7 inner wall, and the inner wall of spout cup joints with the outer wall activity of slider 13, seting up of spout provides the platform for the motion of slider 13, the upper surface of bottom plate 7 is seted up with the removal hole that the spout position corresponds, and the inner wall in removal hole cup joints with the lower extreme activity of base 15 outer wall, the seting up of removal hole is convenient for base 15 to take place the motion from beginning to end, the through-hole has been seted up on the right side of bottom plate 7, and the inner wall of through-hole cup joints with the outer wall activity of master gear 10.

Wherein, rotatory hole has been seted up in the left side of base 15, the rotatory groove corresponding with rotatory hole position has been seted up on the right side of the inner wall of base 15, the movable hole has been seted up to the upper surface of base 15, and the inner wall in movable hole cup joints with the outer wall activity of movable block 17, the seting up of movable hole provides space and platform for the motion of movable block 17, the T-slot corresponding with movable hole position has been seted up to the bottom surface of base 15 inner wall, and the inner wall in T-slot cup joints with the outer wall activity of T-block 18, seting up of T-slot provides the platform for the motion of T-block 18.

Wherein, the left side of rotary rod 16 outer wall cup joints with the inner wall activity in the rotatory hole that base 15 seted up, the outer wall of rotary rod 16 right-hand member cup joints with the inner wall activity in the rotatory groove that base 15 seted up, rotary rod 16 cup joints with the activity in rotatory groove and rotatory hole respectively, rotary rod 16 has been realized keeping throughout with the rotation of ground horizontal direction, stability when rotary rod 16 rotates has still been consolidated simultaneously, rotary rod 16's outer wall is provided with No. two threads, rotary rod 16's outer wall cup joints with the inner wall thread of movable block 17, and movable block 17's inner wall is provided with No. two threads corresponding with rotary rod 16 outer wall, the connected mode that the screw cup joints has realized through the horizontal movement who drives movable block 17 under T-shaped block 18's restrictive action to rotary rod 16's circumference pivoted, the fixed effect of centre gripping to lithium ion battery has been reached.

The working principle is as follows: when the lithium ion battery is used, firstly, a lithium ion battery is placed on the surface of a base 15, then a rotating rod 16 is rotated, the circular rotation of the rotating rod 16 generates horizontal movement under the limiting action of a T-shaped block 18, the rotating rod 16 can be stopped to rotate until a left moving block 17 and a right moving block 17 are tightly attached to the left side and the right side of the lithium ion battery, then an L-shaped block 21 is pulled, a spring 20 generates stretching movement while the L-shaped block 21 is pulled, the lithium ion battery is tightly pressed by the L-shaped block 21 by utilizing the resilience of the spring 20, then, after the position of the lithium ion battery is fixed, when the lithium ion battery needs to move back and forth, a rotating shaft 9 is rotated, the rotating shaft 9 drives a main gear 10 to rotate in the same direction while rotating, the main gear 10 drives an auxiliary gear 11 to rotate while the auxiliary gear 11 drives a straight ruler bar 12 to move back and forth, and forth when the lithium ion battery needs to move left and right, the dwang 3 is rotated, and the horizontal motion about the motion piece 4 is driven under the limiting action of stopper 5 in the time of the dwang 3 circumference pivoted, and the equidirectional motion of drive bottom plate 7 in the time of the motion piece 4 motion can be accomplished and the operation that removes about lithium ion battery.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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

Claims (6)

1. The utility model provides a lithium ion battery electrode spot welding device, includes electric welding device body (1), its characterized in that: the electric welding device comprises an electric welding device body (1), wherein a workbench (2) is fixedly arranged at the front lower end of the electric welding device body (1), a rotating rod (3) is sleeved on the inner wall of the workbench (2), a moving block (4) is sleeved on the outer wall of the rotating rod (3), a limiting block (5) is fixedly connected to the lower bottom surface of the moving block (4), a round rod (6) is sleeved on the inner wall of the limiting block (5), the left end and the right end of the round rod (6) are fixedly connected with the left side and the right side of the inner wall of the workbench (2), a bottom plate (7) is fixedly connected to one side, away from the limiting block (5), of the moving block (4), of the bottom plate (7) extends to the outside of the workbench (2), a support (8) positioned above the workbench (2) is fixedly arranged on the right side of the bottom plate (7), a rotating shaft (9) is sleeved on the inner wall of the rotating shaft (9), a main gear (10) is fixedly sleeved on the outer wall of the rotating shaft (9), the left side of the outer wall of the main gear (10) is movably connected with an auxiliary gear (11) positioned on the inner wall of the bottom plate (7), the outer wall of the auxiliary gear (11) is meshed with the outer wall of the main gear (10) in a toothed manner, one side, far away from the main gear (10), of the auxiliary gear (11) is movably connected with a straight ruler strip (12), the front end and the rear end of the straight ruler strip (12) extend to the outside of the bottom plate (7), a sliding block (13) is fixedly connected to the lower bottom surface of the bottom plate (7), a convex block (14) is fixedly connected to the left side of the bottom plate (7), a base (15) is fixedly installed on the upper surface of the straight ruler strip (12), the upper side of the base (15) extends to the upper side of the bottom plate (7), a rotating rod (16) is movably sleeved on the inner wall of the base (15), a movable block (17) is movably sleeved on the outer wall of the rotating rod (16), a T-shaped block (18) is fixedly installed on the lower bottom surface of the movable block (17), the utility model discloses a fixing block for the automobile seat, including base (15), the equal fixed mounting in upper surface of movable block (17) and the right side of base (15) upper surface have fixed block (19), the bottom surface fixed mounting of fixed block (19) inner wall has spring (20), the one end fixed mounting that fixed block (19) were kept away from in spring (20) has L-shaped piece (21), and the upper end of L-shaped piece (21) extends to the top of fixed block (19), the left and right sides fixed mounting of L-shaped piece (21) has supporting shoe (22) that are located fixed block (19) inside.

2. The electrode spot welding device for the lithium ion battery according to claim 1, wherein: the right side of workstation (2) has been seted up and has been rotated the hole, the left side of workstation (2) inner wall is seted up and is rotated the corresponding rotation groove in hole position, the rectangular hole has been seted up to the upper surface of workstation (2), and the inner wall in rectangular hole cup joints with the lower extreme activity of bottom plate (7) outer wall.

3. The electrode spot welding device for the lithium ion battery according to claim 1, wherein: the right-hand member fixed mounting of dwang (3) has the runner that is located workstation (2) outside, the right side of dwang (3) outer wall cup joints with the inner wall activity in the rotation hole of workstation (2), the outer wall of dwang (3) left end cup joints with the inner wall activity in the rotation groove of workstation (2), the outer wall of dwang (3) is provided with a screw thread, the outer wall of dwang (3) cup joints with the inner wall screw thread of motion piece (4), and the inner wall of motion piece (4) is provided with a screw thread corresponding with dwang (3) outer wall.

4. The electrode spot welding device for the lithium ion battery according to claim 1, wherein: the left side of bottom plate (7) inner wall is seted up flutedly, and the inner wall of recess cup joints with the outer wall activity of lug (14), the spout has been seted up to the lower bottom surface of bottom plate (7) inner wall, and the inner wall of spout cup joints with the outer wall activity of slider (13), the upper surface of bottom plate (7) is seted up and is put corresponding removal hole with the spout, and the inner wall that removes the hole cup joints with the lower extreme activity of base (15) outer wall, the through-hole has been seted up on the right side of bottom plate (7), and the inner wall of through-hole cup joints with the outer wall activity of master gear (10).

5. The electrode spot welding device for the lithium ion battery according to claim 1, wherein: the left side of base (15) has been seted up rotatory hole, the right side of the inner wall of base (15) has been seted up with the rotatory groove that the rotatory hole position is corresponding, the activity hole has been seted up to the upper surface of base (15), and the inner wall in activity hole cup joints with the outer wall activity of movable block (17), the T-slot corresponding with the activity hole position is seted up to the bottom surface of base (15) inner wall, and the inner wall in T-slot cup joints with the outer wall activity of T-shaped piece (18).

6. The electrode spot welding device for the lithium ion battery according to claim 1, wherein: the inner wall activity in the rotatory hole that rotary rod (16) outer wall left side and base (15) were seted up cup joints, the outer wall of rotary rod (16) right-hand member cup joints with the inner wall activity in the rotatory groove that base (15) were seted up, the outer wall of rotary rod (16) is provided with No. two threads, the outer wall of rotary rod (16) cup joints with the inner wall thread of movable block (17), and the inner wall of movable block (17) is provided with No. two threads corresponding with rotary rod (16) outer wall.

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