CN212704981U

CN212704981U - Clamp for laser welding of lithium battery

Info

Publication number: CN212704981U
Application number: CN202021359229.1U
Authority: CN
Inventors: 汤欣平
Original assignee: Hunan Jiusun New Energy Co ltd
Current assignee: Hunan Jiusun New Energy Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-03-16
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses an anchor clamps for lithium cell laser welding, concretely relates to lithium cell welding technical field, including base and time relay, bolt fixed mounting time relay is passed through at the base top. The utility model discloses an accessible circular arc rubber piece is extruded the lithium cell in the double-layered hole after first electric telescopic handle extension, thereby the person of facilitating the use adjusts the flexible length of first electric telescopic handle and fixes the lithium cell of different specifications and size, be applicable to the laser welding of multiple lithium cell, still can fix the pole piece through fixed rubber piece after the extension of second electric telescopic handle, thereby fix pole piece and lithium cell firmly on anchor clamps, prevent that pole piece and lithium cell from taking place to remove when laser welding, time relay can cut off the time and open the motor, make anchor clamps physical stamina after the rotation stop the lithium cell in the laser welding machine bottom one by one, the laser-beam welding machine of being convenient for welds lithium cell and pole piece one by one, the practicality of anchor clamps has been improved.

Description

Clamp for laser welding of lithium battery

Technical Field

The utility model relates to a lithium cell welding technology field, more specifically say, the utility model relates to a lithium cell is anchor clamps for laser welding.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. In the production process of the lithium battery, a laser welding means is often used for welding the lithium battery and the pole piece, laser beams are used as energy sources in the laser welding, a focusing device is used for enabling laser to be gathered into high-power-density light beams to irradiate the surface of a workpiece for heating, and the interior of a material is dissolved under the heat conduction action of a metal material to form a specific dissolving tank. When laser welding is adopted, the heat affected zone of the workpiece is small; the welding spot is small, and the welding size precision is high; the welding mode belongs to non-contact welding, no external force is needed, and the product deformation is small; the welding quality is high; high efficiency and easy realization of automatic production.

Some anchor clamps can only fix the lithium cell with the specification with the size, and the more volume of lithium cell specification is not of uniform size for these anchor clamps can't be fixed multiple specification and the lithium cell of size, and lithium cell and pole piece welding back need the manpower to take off welded lithium cell from anchor clamps one by one, and is hard when taking time, so can't satisfy prior art needs.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a lithium cell is anchor clamps for laser welding, the utility model aims to solve the technical problem that: through the setting of third electric telescopic handle and inserted bar, the problem of taking off welded lithium cell from anchor clamps that can't labour saving and time saving has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: a fixture for laser welding of lithium batteries comprises a base and a time relay, wherein the top of the base is fixedly provided with the time relay through bolts, a motor is fixedly arranged in a round hole formed in the base, the top of the output end of the motor is welded with a rotating rod, the top end of the rotating rod penetrates through the base, the top of the rotating rod is welded with a fixture body, clamp holes are uniformly formed in the fixture body, a first electric telescopic rod is fixedly arranged on the inner wall of each clamp hole through bolts, an arc rubber block is bonded on the output end of the first electric telescopic rod, one side, away from the first electric telescopic rod, of the arc rubber block is contacted with a lithium battery, the lithium battery is clamped between the arc rubber block and the inner wall of the clamp hole, the top of the lithium battery is contacted with a pole piece, the pole piece is movably sleeved on the top of the inner wall of the clamp hole, a fixed, second electric telescopic handle output bottom bonds and has fixed block rubber, fixed block rubber bottom contacts with the pole piece top, there is third electric telescopic handle through bolt fixed mounting on the fixed block of bull stick bottom one side welded, the welding of third electric telescopic handle output top has the slip lagging, slip lagging slip cover is at the bull stick outer wall, the welding of slip lagging top has evenly distributed's inserted bar, inserted bar top movable sleeve is inside pressing from both sides the downthehole portion, the inserted bar top contacts with the lithium cell bottom.

In a preferred embodiment, the electric motor is electrically connected to a time relay.

In a preferred embodiment, the time relay, the first electric telescopic rod, the second electric telescopic rod and the third electric telescopic rod are all electrically connected with an external power supply, and the motor is a low-speed motor of YDS 63.

In a preferred embodiment, the fixing plate has a circular ring shape, and the clamp body has a cylindrical shape.

In a preferred embodiment, the fixed plate, the second electric telescopic rod and the fixed rubber block are distributed in a triangular shape.

In a preferred embodiment, an anti-skid rubber pad is bonded in the clamping hole, and the first electric telescopic rod penetrates through the anti-skid rubber pad.

In a preferred embodiment, the inner wall of the anti-skid rubber pad is in contact with the outer wall of the lithium battery.

In a preferred embodiment, the third electric telescopic rod is located on top of the base.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an accessible circular arc rubber piece is extruded the lithium cell in the double-layered hole after first electric telescopic handle extension, thereby the person of facilitating the use adjusts the flexible length of first electric telescopic handle and fixes the lithium cell of different specifications and size, be applicable to the laser welding of multiple lithium cell, still can fix the pole piece through fixed rubber piece after the extension of second electric telescopic handle, thereby fix pole piece and lithium cell firmly on anchor clamps, prevent that pole piece and lithium cell from taking place to remove when laser welding, time relay can cut off the time and open the motor, make anchor clamps physical stamina after the rotation stop the lithium cell in the laser welding machine bottom one by one, the laser-beam welding machine of being convenient for welds lithium cell and pole piece one by one, the practicality of anchor clamps has been improved.

2. The utility model discloses a second electric telescopic handle shortens the fixed of the lithium cell top after can canceling the welding, first electric telescopic handle shortens the fixed of the lithium cell side after can canceling the welding, can push into the double-layered hole with the inserted bar after the extension of third electric telescopic handle, make the inserted bar with the ejecting double-layered hole of lithium cell after the welding, reveal at the anchor clamps top, the user only needs to pick up the lithium cell after the welding at the anchor clamps top, need not the manpower and take off the lithium cell after the welding from fixed establishment one by one, it is laborsaving to save trouble relatively, still can support the lithium cell bottom the lithium cell at the welding inserted bar, the suitability of anchor clamps is improved.

Drawings

Fig. 1 is a front sectional view of the overall structure of the present invention.

Fig. 2 is an enlarged view of the structure a in fig. 1 of the present invention.

Fig. 3 is a front view of the overall structure of the present invention.

Fig. 4 is a top view of the overall structure of the present invention.

Fig. 5 is an enlarged view of the structure B in fig. 4 according to the present invention.

The reference signs are: 1. a base; 11. a time relay; 12. a motor; 13. a rotating rod; 2. a clamp body; 21. a clamping hole; 22. an anti-skid rubber pad; 23. a first electric telescopic rod; 24. a circular arc rubber block; 25. a lithium battery; 3. a fixing plate; 31. a second electric telescopic rod; 32. fixing the rubber block; 33. pole pieces; 4. a third electric telescopic rod; 41. a sliding sleeve plate; 42. and (4) inserting the rod.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Referring to fig. 1-5, the utility model provides a fixture for laser welding of lithium battery, which comprises a base 1 and a time relay 11, wherein the time relay 11 is fixedly installed on the top of the base 1 through a bolt, a motor 12 is fixedly installed in a circular hole formed in the base 1, a rotating rod 13 is welded on the top of the output end of the motor 12, the time relay 11 can cut off the time to open and close the motor 12, so that the rotating rod 13 on the top of the motor 12 rotates and stops for a while, thereby facilitating the laser welding, the top end of the rotating rod 13 penetrates through the base 1, a fixture body 2 is welded on the top of the rotating rod 13, the bottom end of the rotating rod 13 is positioned at the center of the bottom of the fixture body 2, thereby facilitating the rotation of the fixture body 2, clamping holes 21 are uniformly formed in the fixture body 2, a first electric telescopic rod 23 is fixedly installed on the inner wall of the clamping holes 21 through bolts, the first electric telescopic rod 23, the side, far away from the first electric telescopic rod 23, of the arc rubber block 24 is contacted with a lithium battery 25, the lithium battery 25 is clamped between the arc rubber block 24 and the inner wall of the clamping hole 21, the arc rubber block 24 is arc-shaped, as shown in fig. 5, the lithium batteries 25 with different sizes are conveniently pressed on the clamping hole 21, the arc rubber block 24 is also soft to prevent the lithium battery 25 from being damaged by pressure, the top of the lithium battery 25 is contacted with a pole piece 35, the pole piece 35 is movably sleeved on the top of the inner wall of the clamping hole 21, a fixing plate 3 is welded on the top of the inner wall of the clamp body 2, the inner wall of the fixing plate 3 is fixedly provided with uniformly distributed second electric telescopic rods 31 through bolts, the fixing plate 3 can support a plurality of second electric telescopic rods 31, the bottom of the output end of each second electric telescopic rod 31 is bonded with a fixing rubber block 32, the bottom, and fixed rubber block 32 also has the compliance, prevent to give pole piece 35 and crush, there is third electric telescopic handle 4 through bolt fixed mounting on the fixed block of the welding of bull stick 13 bottom one side, the welding of 4 output tops of third electric telescopic handle has slip lagging 41, third electric telescopic handle 4 can support slip lagging 41, slip lagging 41 slip cover is at bull stick 13 outer wall, bull stick 13 can carry on spacingly to slip lagging 41, the welding of slip lagging 41 top has evenly distributed's inserted bar 42, the movable sleeve of inserted bar 42 top is inside pressing from both sides hole 21, the inserted bar 42 top contacts with lithium cell 25 bottom, the inserted bar 42 top can support lithium cell 25 bottom.

The motor 12 is electrically connected with the time relay 11, the time relay 11 controls the opening and closing time of the motor 12, the time relay 11, the first electric telescopic rod 23, the second electric telescopic rod 31 and the third electric telescopic rod 4 are electrically connected with an external power supply, the external power supply supplies power to a plurality of electric appliances, the motor 12 is a low-speed motor with the model of YDS63, the low-speed motor is convenient for adjusting the rotation of the clamp body 2, the fixing plate 3 is in a circular ring shape, the clamp body 2 is in a cylindrical shape, the fixing plate 3, the second electric telescopic rod 31 and the fixed rubber block 32 are distributed in a triangular shape, the fixed rubber block 32 can be moved away from the top of the pole piece 33 after the second telescopic rod 31 is shortened, the anti-skid rubber pad 22 is bonded in the clamp hole 21, the anti-skid rubber pad 22 is clamped in the clamp hole 21 for skid prevention, the first electric telescopic rod 23 penetrates through the anti-skid rubber pad 22, the antiskid rubber pad 22 can carry out soft protection to the lithium cell 25, and third electric telescopic handle 4 is located the base 1 top.

The utility model discloses the theory of operation: when in use, according to the specification and the volume of the lithium battery 25, the first electric telescopic rod 23 is opened, the first electric telescopic rod 23 is extended to drive the arc rubber block 24 to extrude the lithium battery 25 into the clamp hole 21, the lithium battery 25 is fixed, the pole piece 33 is placed at the top of the lithium battery 25, the second electric telescopic rod 31 is opened, the second electric telescopic rod 31 is extended to drive the fixing rubber block 32 to press the pole piece 33 on the lithium battery 25 and the clamp body 2, so that the pole piece 33 and the lithium battery 25 are firmly fixed on the clamp, the time relay 11 can cut off the time to open the motor 12, the motor 12 can drive the clamp body 2 to rotate after being opened, the rotating clamp body 2 can stop the lithium battery 25 at the bottom of the laser welding machine one by one, the laser welding machine can weld the lithium battery 25 and the pole piece 33 one by one, the second electric telescopic rod 31 can shorten the fixation to the top of the lithium battery 25 after cancellation, first electric telescopic handle 23 shortens the fixed of can cancelling the lithium cell 25 side after the welding, third electric telescopic handle extension 4 back can drive slip lagging 41 and inserted bar 42 and rise, in advancing inserted bar 42 top clamp hole 21, make inserted bar 42 with the ejecting 21 holes that press from both sides of welded lithium cell 25, expose at 2 tops of the anchor clamps body, the user only needs to pick up the lithium cell 25 after the welding at 2 tops of the anchor clamps body, need not the manpower and take off welded lithium cell 25 from fixed establishment one by one, it is laborsaving to save trouble relatively, still can support lithium cell 25 in the welding inserted bar 42 bottom lithium cell 25, the suitability of anchor clamps has been improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the 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 lithium cell anchor clamps for laser welding, includes base (1) and time relay (11), its characterized in that: the novel clamp is characterized in that a time relay (11) is fixedly installed at the top of the base (1) through a bolt, a motor (12) is fixedly installed in a round hole formed in the base (1), a rotating rod (13) is welded at the top of the output end of the motor (12), the base (1) is penetrated through the top end of the rotating rod (13), a clamp body (2) is welded at the top of the rotating rod (13), clamp holes (21) are uniformly formed in the clamp body (2), a first electric telescopic rod (23) is fixedly installed on the inner wall of each clamp hole (21) through a bolt, an arc rubber block (24) is bonded at the output end of the first electric telescopic rod (23), a lithium battery (25) is contacted with one side, away from the first electric telescopic rod (23), of the arc rubber block (24), the lithium battery (25) is clamped between the arc rubber block (24) and the inner wall of each clamp hole (21), and, the pole piece (35) movable sleeve is arranged at the top of the inner wall of the clamp hole (21), the fixed plate (3) is welded at the top of the inner wall of the clamp body (2), the inner wall of the fixed plate (3) is provided with a second electric telescopic rod (31) with uniform distribution through bolt fixing, the bottom of the output end of the second electric telescopic rod (31) is bonded with a fixed rubber block (32), the bottom of the fixed rubber block (32) is contacted with the top of the pole piece (35), a third electric telescopic rod (4) is fixedly arranged on the fixed block welded at one side of the bottom of the rotating rod (13) through a bolt, the top of the output end of the third electric telescopic rod (4) is welded with a sliding sleeve plate (41), the sliding sleeve of the sliding sleeve plate (41) is arranged on the outer wall of the rotating rod (13), the top of the sliding sleeve plate (41) is welded with uniformly distributed insertion rods (42, the top end of the inserted rod (42) is contacted with the bottom of the lithium battery (25).

2. The jig for laser welding of lithium batteries according to claim 1, characterized in that: the motor (12) is electrically connected with the time relay (11).

3. The jig for laser welding of lithium batteries according to claim 2, characterized in that: time relay (11), first electric telescopic handle (23), second electric telescopic handle (31) and third electric telescopic handle (4) all with external power source electric connection, the model of motor (12) is YDS 63's low-speed motor.

4. The jig for laser welding of lithium batteries according to claim 1, characterized in that: the fixing plate (3) is in a circular ring shape, and the clamp body (2) is in a cylindrical shape.

5. The jig for laser welding of lithium batteries according to claim 1, characterized in that: the fixing plate (3), the second electric telescopic rod (31) and the fixing rubber block (32) are distributed in a triangular shape.

6. The jig for laser welding of lithium batteries according to claim 1, characterized in that: an anti-skid rubber pad (22) is bonded in the clamping hole (21), and the first electric telescopic rod (23) penetrates through the anti-skid rubber pad (22).

7. The jig for laser welding of lithium batteries as claimed in claim 6, wherein: the inner wall of the anti-skid rubber pad (22) is in contact with the outer wall of the lithium battery (25).

8. The jig for laser welding of lithium batteries according to claim 1, characterized in that: the third electric telescopic rod (4) is positioned at the top of the base (1).