Lithium battery cap pressure welding device

Abstract

The utility model relates to the technical field of pressure welding devices, and discloses a lithium battery cap pressure welding device. The lithium battery cap pressure welding device comprises a base, a supporting frame is arranged on the top wall of the base, an electric push rod is arranged on the top wall of an inner cavity of the supporting frame, a lifting plate is arranged at the telescopic end of the electric push rod, welding guns are evenly arranged on the bottom wall of the lifting plate, and sliding rod frames are arranged on the left side and the right side of the top wall of the base correspondingly; according to the scheme, the base, the supporting frame, the electric push rod and other devices are arranged to be matched, so that the device can conveniently clamp and limit a welded lithium battery, the lithium battery is prevented from deviating during welding, and the machining efficiency of the lithium battery is improved through simultaneous welding of multiple groups of lithium batteries; and through cooperation of the rotating frame, the traction spring, the positioning frame and other devices, the device can conveniently position the welding position of the cover cap, the cover cap is prevented from shifting in the welding process, and welding production of the lithium battery is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of pressure welding devices, in particular to a pressure welding device for a lithium battery cap. Background Art

[0002] Lithium battery is a kind of battery that uses lithium metal or lithium alloy as negative electrode material and non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. Handheld lithium batteries are prone to shaking during pressure welding, which reduces stability, affects the pressure welding effect of lithium battery caps, and reduces processing efficiency. For this reason, we propose a lithium battery cap pressure welding device. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a lithium battery cap pressure welding device, which effectively solves the problem that handheld lithium batteries are prone to shaking during pressure welding, reducing stability, affecting the pressure welding effect of the lithium battery cap, and reducing processing efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium battery cap pressure welding device, comprising a base, a support frame is provided on the top wall of the base, an electric push rod is provided on the top wall of the inner cavity of the support frame, a lifting plate is provided at the telescopic end of the electric push rod, a welding gun is evenly provided on the bottom wall of the lifting plate, a slide bar frame is provided on the left and right sides of the top wall of the base, a moving block is provided on the outer wall of the slide bar frame, a connecting rod is provided on the top wall of the moving block, the other end of the connecting rod is provided on the bottom wall of the lifting plate, a pushing spring is evenly provided on the front side wall of the moving block, a clamping block is provided on the front end of the pushing spring, a fixed block is provided on the front side of the bottom wall of the base, and arc-shaped clamping grooves are evenly provided on the opposite side walls of the clamping block and the fixed block.

[0005] Preferably, a rotating rack is provided on the front side wall of the fixed block, a groove is provided on the top wall of the rotating rack, a pulling spring is provided on the bottom wall of the inner cavity of the groove, a positioning rack is provided on the top wall of the pulling spring, and positioning holes are evenly provided on the top wall of the positioning rack.

[0006] Preferably, a fixing ring is provided on the front side of the exterior of the slide rod frame, a return spring is provided on the rear wall of the fixing ring, and a rear end of the return spring is provided on the front side wall of the moving block.

[0007] Preferably, telescopic grooves are evenly formed on the front side walls of the moving block, telescopic rods are provided on the inner walls of the telescopic grooves, and the front ends of the telescopic rods are provided on the rear side walls of the clamping block.

[0008] Preferably, a sliding groove is provided on the rear side wall of the support frame, the sliding groove is arranged in a T-shape, and the lifting plate is located in the inner cavity of the sliding groove.

[0009] Preferably, the inner walls of the arc-shaped clamping grooves are provided with buffer pads, the buffer pads are made of rubber material, and the top wall of the base is provided with insulating pads.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The lithium battery cap pressure welding device can facilitate the clamping and limiting of the welded lithium battery by arranging a base, a support frame and an electric push rod, so as to avoid the displacement of the lithium battery during welding. The simultaneous welding of multiple groups is conducive to improving the processing efficiency of the lithium battery.

[0012] 2. The lithium battery cap pressure welding device can facilitate the positioning of the cap welding position by arranging a rotating frame, a pulling spring and a positioning frame, thereby avoiding the cap from shifting during the welding process, which is beneficial to the welding production of lithium batteries;

[0013] 3. The lithium battery cap pressure welding device, by arranging a reset spring, a clamping block and a moving block and other devices in coordination, can make the device easy to drive the clamping block to reset and move, facilitate the subsequent placement of the lithium battery, and help improve the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0015] In the attached picture:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the clamping block of the utility model;

[0018] Figure 3 It is a cross-sectional structural schematic diagram of the rotating frame of the utility model;

[0019] In the figure: 100, base; 101, support frame; 102, electric push rod; 103, lifting plate; 104, welding gun; 105, slide rod frame; 106, moving block; 107, connecting rod; 108, pushing spring; 109, clamping block; 110, fixing block; 111, rotating frame; 112, pulling spring; 113, positioning frame; 114, fixing ring; 115, reset spring; 116, telescopic rod; 117, buffer pad. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Depend on Figure 1 , Figure 2 and Figure 3The utility model provides a lithium battery cap pressure welding device, the top wall of the base 100 is fixedly connected to a support frame 101, and the support frame 101 is convenient for supporting an electric push rod 102, the top wall of the inner cavity of the support frame 101 is fixedly connected to an electric push rod 102, and the electric push rod 102 is convenient for driving a lifting plate 103 to move, the telescopic end of the electric push rod 102 is fixedly connected to the lifting plate 103, and the lifting plate 103 drives a welding gun 104 to move, and the bottom wall of the lifting plate 103 is evenly fixedly connected to the welding gun 104. By arranging multiple groups of welding guns 104, it is convenient to weld multiple groups of lithium batteries, which is beneficial to improving welding efficiency. The left and right sides of the top wall of the base 100 are fixedly connected to sliding rod frames 105, and the sliding rod frames 105 are convenient for guiding and limiting the movement of a moving block 106, and the outer wall of the sliding rod frame 105 is slidably connected to a moving block 106, and the moving block 106 is convenient for The pushing spring 108 is driven to move, and the top wall of the moving block 106 is rotatably connected to the connecting rod 107, which is convenient for pushing the moving block 106 to move. The other end of the connecting rod 107 is rotatably connected to the bottom wall of the lifting plate 103, and the front side wall of the moving block 106 is evenly fixedly connected with a pushing spring 108, which is convenient for driving the clamping block 109 to move, and the elastic force of the pushing spring 108 is convenient for squeezing the clamping block 109, and the front end of the pushing spring 108 is fixedly connected with the clamping block 109, and the clamping block 109 moves and cooperates with the fixed block 110 to clamp and limit the lithium battery, and the front side of the bottom wall of the base 100 is fixedly connected with the fixed block 110, and the fixed block 110 is convenient for clamping the lithium battery, and the opposite side walls of the clamping block 109 and the fixed block 110 are evenly provided with arc clamping grooves, and the arc clamping grooves are convenient for positioning and fixing the lithium battery;Multiple groups of lithium batteries are evenly placed in the inner cavity of the arc-shaped clamping groove opened on the fixed block 110, and the lifting plate 103 is driven to move by the electric push rod 102, and the welding gun 104 is driven to move by the lifting plate 103, and the connecting rod 107 is driven to move by the lifting plate 103, and the moving block 106 is driven to move by the connecting rod 107, and the moving block 106 drives the pushing spring 108 to move, and the pushing spring 108 drives the clamping block 109 to move, so that the clamping block 109 is against the lithium battery, and the lifting plate 103 is continuously pressed down to squeeze the pushing spring 108, and the clamping block 109 is pushed by the elastic force of the pushing spring 108 to clamp and limit the lithium battery, and the welding gun 104 is moved to the top wall of the lithium battery to cap it. The welding is convenient for welding multiple groups of lithium batteries at the same time, and the device can be used to clamp and limit the welded lithium batteries to avoid the deviation of the lithium batteries during welding, which is beneficial to improving the processing efficiency of the lithium batteries. The front side wall of the fixed block 110 is rotatably connected to a rotating frame 111, and the rotating frame 111 is used to support the pulling spring 112. The top wall of the rotating frame 111 is provided with a groove, and the movement of the positioning frame 113 is limited by the groove. The bottom wall of the inner cavity of the groove is fixedly connected to a pulling spring 112, and the pulling spring 112 is used to pull the positioning frame 113 to reset. The top wall of the pulling spring 112 is fixedly connected to the positioning frame 113, and the positioning frame 113 is used to position the cap. The top wall of the positioning frame 113 is evenly opened. A positioning hole is provided; after the lithium battery is placed, the positioning frame 113 is driven to move by rotating the rotating frame 111, so that the positioning frame 113 moves to the upper side of the lithium battery, and the lower side of the positioning frame 113 is pulled by the elastic force of the pulling spring 112, so that the positioning frame 113 is located on the top wall of the lithium battery, and the cap is evenly placed in the inner cavity of the positioning hole, which can make the device convenient for positioning the welding position of the cap, avoid the cap from shifting during the welding process, and is conducive to the welding production of lithium batteries. The front side of the outer side of the sliding rod frame 105 is fixedly connected with a fixing ring 114, and the fixing ring 114 is convenient for supporting the reset spring 115. The rear wall of the fixing ring 114 is fixedly connected with a reset spring 115, and the reset spring 115 is convenient for pushing the moving block 106 to reset The rear end of the reset spring 115 is arranged on the front side wall of the moving block 106; the fixing ring 114 is arranged to support the reset spring 115, and the elastic force of the reset spring 115 is used to push the moving block 106 to move and reset, so that the device can easily drive the clamping block 109 to reset and move, which is convenient for the subsequent placement of the lithium battery and is beneficial to improving the working efficiency of the device. The front side wall of the moving block 106 is evenly provided with telescopic grooves, and the telescopic grooves are used to facilitate the movement of the telescopic rod 116 to limit and guide. The inner walls of the telescopic grooves are fixedly connected with the telescopic rod 116, and the telescopic rod 116 is used to facilitate the movement of the clamping block 109 to limit and guide. The front end of the telescopic rod 116 is fixedly connected to the rear side wall of the clamping block 109.The telescopic groove is convenient for limiting the movement of the telescopic rod 116, and the telescopic rod 116 is convenient for limiting the clamping block 109 to prevent the clamping block 109 from deflecting and affecting the clamping of the lithium battery. The rear side wall of the support frame 101 is provided with a sliding groove, which is T-shaped, and the lifting plate 103 is located in the inner cavity of the sliding groove; the sliding groove is convenient for limiting the movement of the lifting plate 103, and the movement of the lifting plate 103 is convenient for guiding to avoid deflection. The inner wall of the arc-shaped clamping groove is fixedly connected with a buffer pad 117, which is made of rubber material, and its surface is frosted. The buffer pad 117 is made of rubber material, and the top wall of the base 100 is provided with an insulating pad; the buffer pad 117 is convenient for buffering during clamping to avoid damage to the lithium battery. The insulating pad can play an insulating role to prevent the lithium battery from generating a path discharge. ;

[0022] Working principle: multiple groups of lithium batteries are evenly placed in the inner cavity of the arc-shaped clamping groove opened on the fixed block 110, and the lifting plate 103 is driven to move by the electric push rod 102, and the welding gun 104 is driven to move by the lifting plate 103, and the connecting rod 107 is driven to move by the lifting plate 103, and the moving block 106 is driven to move by the connecting rod 107, and the moving block 106 drives the pushing spring 108 to move, and the pushing spring 108 drives the clamping block 109 to move, so that the clamping block 109 is against the lithium battery, and the lifting plate 103 is continuously pressed down to squeeze the pushing spring 108, and the elastic force of the pushing spring 108 pushes the clamping block 109 to clamp and limit the lithium battery, and the lifting plate 103 is continuously pressed down to squeeze the pushing spring 108, and the clamping block 109 is pushed by the elastic force of the pushing spring 108 to clamp and limit the lithium battery. The welding gun 104 moves to the top wall of the lithium battery to weld the cap, which is convenient for welding multiple groups of lithium batteries at the same time. The device can clamp and limit the welded lithium battery to avoid the displacement of the lithium battery during welding, which is beneficial to improving the processing efficiency of the lithium battery. After the lithium battery is placed, the positioning frame 113 is driven to move by rotating the rotating frame 111, so that the positioning frame 113 moves to the upper side of the lithium battery, and the positioning frame 113 is pulled to the lower side by the elastic force of the pulling spring 112, so that the positioning frame 113 is located on the top wall of the lithium battery, and the cap is evenly placed in the inner cavity of the positioning hole, which can make the device easy to position the welding position of the cap, avoid the displacement of the cap during the welding process, and is beneficial to the welding production of lithium batteries.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium battery cap pressure welding device, comprising a base (100), characterized in that: The top wall of the base (100) is provided with a support frame (101), the top wall of the inner cavity of the support frame (101) is provided with an electric push rod (102), the telescopic end of the electric push rod (102) is provided with a lifting plate (103), the bottom wall of the lifting plate (103) is evenly provided with welding guns (104), the left and right sides of the top wall of the base (100) are provided with sliding rod frames (105), the outer wall of the sliding rod frame (105) is provided with a moving block (106), and the moving block (106) is provided with a movable block (106). A connecting rod (107) is arranged on the top wall of the lifting plate (106), the other end of the connecting rod (107) is arranged on the bottom wall of the lifting plate (103), a pushing spring (108) is evenly arranged on the front side wall of the moving block (106), a clamping block (109) is arranged at the front end of the pushing spring (108), a fixing block (110) is arranged on the front side of the bottom wall of the base (100), and arc-shaped clamping grooves are evenly opened on the opposite side walls of the clamping block (109) and the fixing block (110).

2. A lithium battery cap pressure welding device according to claim 1, characterized in that: A rotating frame (111) is provided on the front side wall of the fixed block (110), a groove is provided on the top wall of the rotating frame (111), a pulling spring (112) is provided on the bottom wall of the inner cavity of the groove, a positioning frame (113) is provided on the top wall of the pulling spring (112), and positioning holes are evenly provided on the top wall of the positioning frame (113).

3. A lithium battery cap pressure welding device according to claim 1, characterized in that: A fixing ring (114) is arranged on the front side of the outside of the slide rod frame (105), a return spring (115) is arranged on the rear wall of the fixing ring (114), and the rear end of the return spring (115) is arranged on the front side wall of the moving block (106).

4. A lithium battery cap pressure welding device according to claim 1, characterized in that: The front side wall of the moving block (106) is evenly provided with telescopic grooves, the inner walls of the telescopic grooves are provided with telescopic rods (116), and the front ends of the telescopic rods (116) are arranged on the rear side wall of the clamping block (109).

5. A lithium battery cap pressure welding device according to claim 1, characterized in that: The rear side wall of the support frame (101) is provided with a sliding groove, the sliding groove is arranged in a T-shape, and the lifting plate (103) is located in the inner cavity of the sliding groove.

6. A lithium battery cap pressure welding device according to claim 1, characterized in that: The inner walls of the arc-shaped clamping grooves are provided with buffer pads (117), the buffer pads (117) are made of rubber material, and the top wall of the base (100) is provided with an insulating pad.

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