CN218657434U

CN218657434U - Spot welding device capable of preventing displacement

Info

Publication number: CN218657434U
Application number: CN202222656839.3U
Authority: CN
Inventors: 渠慎程; 王健余
Original assignee: Jiangsu Chuangneng New Energy Technology Co ltd
Current assignee: Jiangsu Chuangneng New Energy Technology Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-21
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a spot welding device capable of preventing displacement, which comprises a base, support rods symmetrically arranged at the top of the base, a crossbeam arranged at the top of the support rods, a motor arranged at one end of the crossbeam, a first lead screw connected with the output end of the motor extending to the inner side of the crossbeam, and a first end of the first lead screw rotatably connected with the inner side of the crossbeam, the utility model discloses an anti-displacement mechanism arranged to enable the first clamp plate to pre-clamp and fix a lithium battery under the action of a first spring, and then to drive an L-shaped frame through a second lead screw so as to enable the second clamp plate to extrude and clamp the lithium battery, thereby realizing secondary fixation, improving fixation effect, thereby avoiding the lithium battery from being displaced during welding, and having stronger practicability; through the use of telescopic link two, draw runner and rail bar cooperation spin, make it can make the processing seat drive the lithium cell and carry out the fore-and-aft direction and remove, conveniently get the lithium cell to different positions lithium cell welding simultaneously, it is more convenient to use.

Description

Spot welding device capable of preventing displacement

Technical Field

The utility model relates to a lithium cell production welding technology field specifically is spot welding device that can prevent the displacement.

Background

With the continuous importance on energy conservation and environmental protection, the new energy technology rises rapidly, a series of new energy products such as electric automobiles and electric bicycles are continuously integrated into various fields in life of people, and because the environmental protection property, the economical efficiency, the repeatability and the sustainability of the new energy products are widely welcomed by people, the lithium battery is one of the power energy sources of the new energy products, and the amount of the lithium battery in the new energy products is particularly prominent. Lithium batteries are a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive electrode or a negative electrode material. Because the chemical characteristics of lithium metal are very active, the lithium metal has very high requirements on the environment in processing, storage and use. With the development of scientific technology, lithium batteries have become the mainstream. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.

In the production process of lithium cell group, need be in the same place a plurality of lithium cell unit welding series connection, when present lithium cell spot welding device was fixed to the lithium cell, adopt to place corresponding slotted hole usually or carry out simple spacing fixed through the frame, and the fixed effect of this kind of fixed mode is not good, leads to the lithium cell to squint easily when carrying out spot welding, leads to spot welding position mistake, influences the machining efficiency of lithium cell very much, has reduced the finished product quality of lithium cell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent spot welding device of displacement to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the spot welding device capable of preventing displacement comprises a base, supporting rods symmetrically arranged on the top of the base, a cross beam arranged on the top of the supporting rods, a motor, a first lead screw connected with the output end of the motor and extending to the inner side of the cross beam, one end of the first lead screw is rotatably connected with the inner side of the cross beam, a sliding block is sleeved on the outer side of the first lead screw on the inner side of the cross beam, a first telescopic rod is arranged at the bottom of the sliding block, a telescopic end of the first telescopic rod is connected with a welding mechanism, a welding head is connected with the lower end of the welding mechanism, a processing seat is arranged on the top of the base, the processing seat is connected with the base through a moving mechanism, a first anti-deviation mechanism is arranged on the top of the processing seat and comprises a supporting plate symmetrically arranged on the top of the processing seat, first clamping plates are symmetrically arranged on the opposite inner sides of the supporting plate, guide rods are symmetrically arranged between the first clamping plates, one end of each guide rod is fixedly connected with the first clamping plate, a limiting block is arranged on the outer wall of the guide rods between the first clamping plate and the supporting plate, a first spring is sleeved on the outer wall of the supporting plate, a rotating rod, a winding drum is symmetrically arranged on the outer side of the supporting frame, and a fixing frame is symmetrically arranged on the two ends of the supporting frame.

Further, the deviation preventing mechanism also comprises an adjusting handle arranged right ahead the processing seat, the adjusting handle is fixedly connected with the rotating rod, fixing blocks I are symmetrically arranged on two sides of the rotating rod between the front surface of the processing seat and the winding drum arranged in front of the processing seat, fixing blocks II are symmetrically arranged on two side walls of the rotating rod on one side, away from the processing seat, of the winding drum arranged behind the back surface of the processing seat, the winding drum is provided with a limiting groove matched with the fixing blocks I and the fixing blocks II, a baffle is sleeved on the outer wall of the rotating rod on one side, close to the front surface of the processing seat, in the processing seat, a spring II is sleeved on the outer side of the rotating rod between the baffle and the inner side wall surface of the processing seat, a gear I is sleeved on the outer side of the rotating rod behind the baffle in the processing seat, processing seat internal gear bilateral symmetry is equipped with gear two, gear two's inboard is equipped with lead screw two, and two one ends of lead screw rotate with a lateral wall in the processing seat and be connected, base top bilateral symmetry is equipped with L shape frame, L shape frame upper portion one end is connected with splint two, base top symmetry sets up the spout with L shape frame looks adaptation, L shape frame lower extreme passes the spout and extends to in the base and overlap and establish in the two outsides of lead screw, through preventing excursion mechanism, makes it carry out the preliminary extrusion fixed to its lithium cell under the effect of spring through splint one, later carries out the secondary extrusion through splint two and fixes to improve fixed effect, thereby avoid taking place the aversion at welding process lithium cell to influence its welding effect.

Further, the slide bar that moving mechanism was equipped with including processing seat bottom intermediate position, the slide rail with slide bar looks adaptation is seted up at the base top, the base back corresponds the slide bar position and is equipped with telescopic link two, the flexible end of telescopic link two inserts in the slide rail and is connected with the slide bar, processing seat bottom slide bar bilateral symmetry is equipped with the rail strip, the rail groove with rail strip looks adaptation is seted up to base top symmetry, through the moving mechanism who is equipped with, makes it can promote the removal of processing seat fore-and-aft direction, and then changes the lithium cell fore-and-aft direction position to weld the lithium cell of different positions better, also conveniently push away processing seat to base one side simultaneously so that get and put the lithium cell.

Furthermore, the clamping plate I and the winding barrel are connected through a steel wire rope at the same side, the steel wire rope penetrates through the supporting plate, and the support is rotatably connected with the winding barrel so that the clamping plate can be pulled to move relatively to the outer side, and therefore the lithium battery can be placed conveniently.

Furthermore, the rotating rod is rotatably connected with the baffle through a bearing, and two ends of the second spring are respectively fixedly connected with the baffle and one side arm in the processing seat, so that the rotating rod can independently rotate relative to the baffle.

Further, both sides wall and interior diapire all rotate to inlay and establish and install a plurality of spin in the rail groove, the lateral wall of rail and bottom all set up with spin looks adaptation's guide slot, make sliding friction change into rolling friction, reduce the friction loss.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a use of extension board, splint one, guide arm, spring one, bull stick, regulation handle, take-up drum, support, mount, fixed block one, fixed block two, baffle, spring two, gear one, gear two, lead screw two, L shape frame and splint two that are equipped with makes it can make splint one carry out the centre gripping to the lithium cell in advance under the effect of spring one earlier and fix, later drives L shape frame and then makes splint two extrude centre gripping lithium cell through lead screw two, thereby realizes the secondary fixation, improves fixed effect, thereby the lithium cell takes place to squint when avoiding welding, and the practicality is stronger;

2. the utility model discloses a use of the telescopic link two, draw runner and the rail strip cooperation spin that are equipped with makes it can make the processing seat drive the lithium cell and carry out the fore-and-aft direction and remove, and the convenience is conveniently got the lithium cell to different positions lithium cell welding simultaneously, and it is more convenient to use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a schematic view of the rear view structure between the processing seat and the support plate of the present invention;

FIG. 4 is a schematic top view of the machining seat and the support plate of the present invention;

FIG. 5 is a schematic view of the internal structure of the processing base according to the present invention;

FIG. 6 is a schematic structural view between the baffle, the second spring and the processing seat of the present invention;

in the figure: 1. a base; 2. a strut; 3. a cross beam; 4. a motor; 5. a first screw rod; 6. a slider; 7. a first telescopic rod; 8. a welding mechanism; 9. welding a head; 10. processing a base; 11. a support plate; 12. a first clamping plate; 13. a guide bar; 14. a first spring; 15. a rotating rod; 16. an adjusting handle; 17. winding the roll; 18. a support; 19. a fixed mount; 20. a first fixed block; 21. a second fixed block; 22. a baffle plate; 23. a second spring; 24. a first gear; 25. a second gear; 26. a second screw rod; 27. an L-shaped frame; 28. a second clamping plate; 29. a second telescopic rod; 30. a slide bar; 31. a rail.

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.

The spot welding device capable of preventing displacement, as shown in fig. 1-6, comprises a base 1, support rods 2 symmetrically arranged on the top of the base 1, a cross beam 3 arranged on the top of the support rods 2, a motor 4 arranged at one end of the cross beam 3, a first lead screw 5 connected with the output end of the motor 4 extending to the inner side of the cross beam 3, one end of the first lead screw 5 rotatably connected with the inner side of the cross beam 3, a slider 6 sleeved on the outer side of the first lead screw 5 inside the cross beam 3, the first lead screw 5 connected with the slider 6 through a lead screw nut, a first telescopic rod 7 arranged at the bottom of the slider 6, a welding mechanism 8 connected with the telescopic end of the first telescopic rod 7, wherein the welding mechanism 8 can be an electric welding machine in the prior art, which is not described in detail in this example, a welding head 9 connected with the lower end of the welding mechanism 8, a processing base 10 arranged on the top of the base 1, and the processing base 10 connected with the base 1 through a moving mechanism, the top of the processing seat 10 is provided with an anti-deviation mechanism, the anti-deviation mechanism comprises support plates 11 symmetrically arranged on the top of the processing seat 10, the opposite inner sides of the support plates 11 are symmetrically provided with first clamping plates 12, guide rods 13 are symmetrically arranged between the first clamping plates 12 and the support plates 11, one ends of the guide rods 13 are fixedly connected with the first clamping plates 12, the other ends of the guide rods pass through the support plates 11 and are connected with limiting blocks, a first spring 14 is sleeved on the outer wall of the guide rod 13 between the first clamping plates 12 and the support plates 11, a rotating rod 15 is arranged at the middle position of the inner side of the processing seat 10, two ends of the rotating rod 15 respectively pass through two side walls of the processing seat 10, winding cylinders 17 are sleeved on the outer side of the rotating rods 15 at two sides of the processing seat 10, the winding cylinders 17 are slidably connected with the rotating rods 15, brackets 18 are symmetrically sleeved at two ends of the outer sides of the winding cylinders 17, two sides of the brackets 18 are symmetrically provided with fixing frames 19, and one ends of the fixing frames 19 are fixedly connected with the processing seat 10.

In this example, the anti-deviation mechanism further comprises an adjusting handle 16 arranged right in front of the processing seat 10, the adjusting handle 16 is fixedly connected with the rotating rod 15, first fixing blocks 20 are symmetrically arranged on two sides of the rotating rod 15 between the front surface of the processing seat 10 and the winding drum 17 arranged in front of the processing seat, second fixing blocks 21 are symmetrically arranged on two side walls of the rotating rod 15 on one side of the winding drum 17 arranged behind the back surface of the processing seat 10, which is far away from the processing seat 10, the winding drum 17 is provided with a limiting groove matched with the first fixing blocks 20 and the second fixing blocks 21, a baffle plate 22 is sleeved on the outer wall of the rotating rod 15 on one side close to the front surface of the processing seat 10 in the processing seat 10, a second spring 23 is sleeved on the outer side of the rotating rod 15 between the baffle plate 22 and the inner side wall surface of the processing seat 10, a first gear 24 is sleeved on the outer side of the rotating rod 15 behind the baffle plate 22 in the processing seat 10, two gears 25 are symmetrically arranged on two sides of the first gear 24 in the processing seat 10, in this example, the first gear 24 is meshed with the second gear 25, the inner side of the second gear 25 is provided with a second screw rod 26, the second screw rod 26 and the rotating rod 15 are mutually perpendicular and distributed, one end of the second screw rod 26 is rotatably connected with one side wall in the processing seat 10, two sides of the top of the base 1 are symmetrically provided with L-shaped frames 27, one end of the upper parts of the L-shaped frames 27 is connected with a second clamping plate 28, the top of the base 1 is symmetrically provided with sliding grooves matched with the L-shaped frames 27, the lower ends of the L-shaped frames 27 penetrate through the sliding grooves and extend into the base 1 to be sleeved outside the second screw rods 26, the L-shaped frames 27 are connected with the second screw rods 26 through screw nuts, through the deviation preventing mechanism, the lithium batteries are pre-extruded and fixed under the action of the first springs 14 through the first clamping plates 12, and then secondary extrusion and fixation is carried out through the second clamping plates 28, so that the fixing effect is improved, and the lithium batteries are prevented from shifting in the welding process, and the welding effect is influenced.

In this example, the moving mechanism includes the draw runner 30 that is equipped with in the middle position of processing seat 10 bottom, the slide rail with draw runner 30 looks adaptation is seted up at base 1 top, the 1 back of base corresponds draw runner 30 position and is equipped with two 29 telescopic links, the flexible end of two 29 telescopic links inserts in the slide rail and is connected with draw runner 30, the draw runner 30 bilateral symmetry is equipped with rail 31 in processing seat 10 bottom, the rail groove with rail 31 looks adaptation is seted up to base 1 top symmetry, through the moving mechanism who is equipped with, make it can promote the direction removal of processing seat 10 back and forth, and then change lithium cell fore-and-aft direction position, so that weld the lithium cell of different positions better, also conveniently push processing seat 10 to base 1 one side so that get and put the lithium cell simultaneously.

In this example, the first clamping plate 12 and the winding drum 17 on the same side are connected through a steel wire rope, the steel wire rope penetrates through the support plate 11, and the bracket 18 is rotatably connected with the winding drum 17 so as to pull the first clamping plate 12 to move towards the outer side relatively, so that a lithium battery can be placed conveniently.

In this example, the rotating rod 15 is rotatably connected to the baffle 22 through a bearing, and both ends of the second spring 23 are fixedly connected to the baffle 22 and one side arm in the machining seat 10, respectively, so that the rotating rod 15 can independently rotate relative to the baffle 22.

In this example, the first telescopic rod 7 and the second telescopic rod 29 are one of hydraulic telescopic rods, electric telescopic rods or air cylinders, and hydraulic telescopic rods are adopted in this example.

In this example, both sides wall in the rail groove and interior diapire all rotate to inlay and establish and install a plurality of spin, and the lateral wall of rail 31 and bottom all set up the guide slot with spin looks adaptation, make sliding friction change into rolling friction, reduce the friction loss.

The utility model discloses a theory of operation: when the lithium battery coiling and uncoiling device is used, the telescopic end of the second telescopic rod 29 pushes the sliding strip 30 to slide to drive the machining seat 10 to synchronously move, and simultaneously, the rail bar 31 is driven to move to a proper position under the auxiliary action of the rolling ball, so that a lithium battery can be placed or taken out, the regulating handle 16 is pulled to drive the rotating rod 15 and further drive the first gear 24 to synchronously move, the rotating rod 15 drives the baffle 22 to extrude the second spring 23, the first fixing block 20 and the second fixing block 21 are respectively inserted into the coiling barrel 17 on one side of the rolling rod, then, the regulating handle 16 can be twisted to drive the rotating rod 15 and further drive the first fixing block 20 and the second fixing block 21, so that the first clamping plate 12 moves towards the outer side and further pushes the first spring 14 under the matching action of the support plate 11, then, a lithium battery needing to be welded can be placed between the first clamping plates 12 on the top of the machining seat 10, then, the regulating handle 16 is pushed to drive the rotating rod 15, the rotating rod 15 is pushed by the baffle 22 to drive the rotating rod 15 to reset, so that the first clamping rod 20 and the second fixing block 21 reset, so that the first clamping rod 24 and the second clamping plate 24 and the gear 25 synchronously push the second clamping rod 12 to rotate, so that the first clamping rod 24 and the second clamping rod 24 synchronously push the second clamping plate 14, so that the second clamping plate 24 synchronously push the second clamping rod 17 to rotate, so that the clamping plate 24 and the second clamping rod 17 rotate, so that the clamping rod 24 and the clamping rod 17 synchronously rotate, thereby improve its centre gripping fixed effect, make it fixed more firm to the lithium cell takes place to shift when avoiding welding, thereby influences its welding effect, and the practicality is stronger.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Can prevent spot welding device of displacement, branch (2) that are equipped with including base (1), base (1) top symmetry, crossbeam (3) that branch (2) top was equipped with, crossbeam (3) one end is equipped with motor (4), the output of motor (4) extends to crossbeam (3) inboard and is connected with lead screw (5), the one end and the crossbeam (3) inboard rotation of lead screw (5) are connected, crossbeam (3) inboard lead screw (5) outside cover is equipped with slider (6), the bottom of slider (6) is equipped with telescopic link (7), the flexible end of telescopic link (7) is connected with welding mechanism (8), the lower extreme of welding mechanism (8) is connected with soldered connection (9), its characterized in that:

the processing seat is characterized in that a processing seat (10) is arranged at the top of the base (1), the processing seat (10) is connected with the base (1) through a moving mechanism, a deviation preventing mechanism is arranged at the top of the processing seat (10), the deviation preventing mechanism comprises a processing seat (10) and a symmetrical support plate (11), the relative inner side of the support plate (11) is symmetrically provided with a first clamping plate (12), guide rods (13) are symmetrically arranged between the first clamping plate (12) and the support plate (11), one end of each guide rod (13) is fixedly connected with the first clamping plate (12), the other end of each guide rod (13) penetrates through the corresponding support plate (11) to be connected with a limiting block, a first spring (14) is sleeved on the outer wall of each guide rod (13) between the first clamping plate (12) and the corresponding support plate (11), a rotating rod (15) is arranged at the middle position of the inner side of the processing seat (10), two ends of each rotating rod (15) penetrate through two side walls of the processing seat (10), winding drums (17) are sleeved with winding drums (17), two symmetrical ends of each winding drum (17) are provided with a support (18), and one end of each support (19) is connected with a fixing frame (19).

2. A displacement preventive spot welding device according to claim 1, wherein: the anti-deviation mechanism further comprises an adjusting handle (16) arranged in front of the processing seat (10), the adjusting handle (16) is fixedly connected with the rotating rod (15), fixing blocks I (20) are symmetrically arranged on two sides of the rotating rod (15) between the front of the processing seat (10) and a winding drum (17) arranged in front of the processing seat (10), fixing blocks II (21) are symmetrically arranged on two side walls of the rotating rod (15) far away from one side of the processing seat (10) on the winding drum (17) arranged at the rear of the back of the processing seat (10), the winding drum (17) is provided with a limiting groove matched with the fixing blocks I (20) and the fixing blocks II (21), the processing seat (10) is internally provided with a baffle (22) close to the outer wall of a rotating rod (15) on one side of the front surface of the processing seat (10), a spring II (23) is sleeved on the outer side of the rotating rod (15) between the baffle (22) and the inner side wall surface of the processing seat (10), a gear I (24) is sleeved on the outer side of the rotating rod (15) at the rear part of the baffle (22) in the processing seat (10), gears II (25) are symmetrically arranged on two sides of the gear I (24) in the processing seat (10), a screw rod II (26) is arranged on the inner side of the gear II (25), one end of the screw rod II (26) is rotatably connected with one side wall in the processing seat (10), and an L-shaped frame (27) is symmetrically arranged on two sides of the top of the base (1), l shape frame (27) upper portion one end is connected with splint two (28), the spout with L shape frame (27) looks adaptation is seted up to base (1) top symmetry, L shape frame (27) lower extreme passes the spout and extends to in base (1) and overlaps and establish in the lead screw two (26) outside.

3. A displacement preventive spot welding device according to claim 1, wherein: the moving mechanism comprises a slide bar (30) arranged at the middle position of the bottom of a processing seat (10), a slide rail matched with the slide bar (30) is arranged at the top of the base (1), a telescopic rod II (29) is arranged at the position, corresponding to the slide bar (30), of the back of the base (1), the telescopic end of the telescopic rod II (29) is inserted into the slide rail and connected with the slide bar (30), rail bars (31) are symmetrically arranged on two sides of the slide bar (30) at the bottom of the processing seat (10), and rail grooves matched with the rail bars (31) are symmetrically arranged on the top of the base (1).

4. A displacement preventive spot welding device according to claim 2, wherein: the first clamping plate (12) and the winding drum (17) on the same side are connected through a steel wire rope, the steel wire rope penetrates through the support plate (11), and the support (18) is rotatably connected with the winding drum (17).

5. A displacement preventive spot welding device according to claim 2, wherein: the rotating rod (15) is rotatably connected with the baffle (22) through a bearing, and two ends of the second spring (23) are fixedly connected with the baffle (22) and one side arm in the processing seat (10) respectively.

6. A displacement preventive spot welding device according to claim 3, wherein: both sides wall and interior diapire all rotate to inlay and establish and install a plurality of spin in the rail groove, the lateral wall and the bottom of rail strip (31) all set up with the guide slot of spin looks adaptation.