Novel cam turret type point bottom welding equipment
The cam turret spot bottom welding equipment uses a cam turret to drive the lifting frame to lift the battery cell for spot welding, which solves the positioning accuracy and welding concentricity problems of traditional equipment and realizes high-precision and low-cost battery cell production.
Patent Information
- Application Number
- CN202422642755.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-10-31
AI Technical Summary
The traditional cam-link structure battery cell bottom welding equipment has deficiencies in positioning accuracy and welding concentricity, resulting in reduced welding accuracy, high battery cell scrap rate, and increased maintenance costs.
The cam turret structure is adopted. The cam turret drives the lifting frame and the top column seat to lift the battery cell to the bottom end of the spot welder. Spot welding is performed with the welding needle to ensure welding accuracy and stability, extend service life, and reduce battery cell scrap rate.
It improves the welding concentricity accuracy, extends the service life of the equipment, reduces the battery cell scrap rate and maintenance costs, and meets the needs of mass production.
Smart Images

Figure CN223353194U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of welding equipment, in particular to a novel cam turret type spot bottom welding equipment. Background Art
[0002] As the energy crisis and environmental problems become increasingly severe, with the country's strong support for the new energy industry, key technologies for power batteries have gradually matured, and various types of power batteries have been widely used in electric cars, electric motorcycles, electric bicycles, solar energy, mobile communication terminal products and energy storage products.
[0003] Battery cell bottom welding is an essential process in battery cell manufacturing. Traditional battery cell bottom welding uses a cam-and-link structure, which introduces a certain tolerance when positioning the cell steel shell. This leads to less stable positioning accuracy over time, shortening the lifespan and increasing maintenance costs. Furthermore, this reduces weld concentricity accuracy, and the welding needle can damage the diaphragm inside the center hole of the core during bottom welding, rendering the cell scrapped and increasing costs. Therefore, a new cam-turret bottom welding device has been proposed. Utility Model Content
[0004] In order to overcome the above-mentioned shortcomings, the present invention aims to provide a technical solution that can solve the above-mentioned problems.
[0005] A new type of cam turret point bottom welding equipment includes a cam turret, and a turret cam ring is provided at the bottom end of the outside of the cam turret, and the turret cam ring and the cam turret have the same movement direction, a first support ring is provided in the middle position of the cam turret, and the cam turret rotates at the middle position of the first support ring, the first support ring is formed with a card slot, and the card slots are vertically distributed around the side of the outside of the first support ring, and a battery cell is vertically placed inside the card slot, a connecting cylinder is horizontally provided at the top end of the outside of the cam turret, and the cam turret rotates at the middle position of the connecting cylinder, and the connecting cylinder and the first The support rings are parallel to each other, a fixing frame is vertically provided on the outside of the connecting tube, and a spot welder is vertically provided on the bottom end of the fixing frame, and a welding pin is vertically provided on the bottom end of the spot welder, and the welding pin and the card slot are parallel to each other, a lifting frame is vertically provided on the first support ring, and the lifting frame passes through the first support ring and is lifted and lowered on the inner side of the first support ring, a top column seat is vertically provided on the side of the lifting frame, and the top column seat is located at the bottom end of the first support ring, and the top column seat and the card slot are parallel to each other, the top column seat and the lifting frame have the same movement direction, and the lifting frame is driven and cooperated with the turret cam ring.
[0006] Preferably, a cam is provided between the lifting frame and the turret cam ring, and the cam is vertically located at the bottom end of the lifting frame, and the cam is drivingly engaged with the turret cam ring.
[0007] Preferably, a second support ring is provided between the connecting tube and the first support ring, and the second support ring is mounted on the outside of the cam turret, and the cam turret rotates at the middle position of the second support ring, and the lifting frame passes through the second support ring, and the lifting frame is lifted and lowered on the inner side of the second support ring.
[0008] Preferably, the second support ring is provided with a clamping seat, and the clamping seat is distributed laterally around the surface of the second support ring, and the lifting frame passes through the clamping seat, the clamping seat is driven to be provided with a clamping claw, and the clamping claw is laterally located on the side of the clamping seat, and the clamping claw and the second support ring are parallel to each other.
[0009] Preferably, a rotating column is vertically arranged inside the cam turret, and the rotating column and the cam turret have the same movement direction. A driving gear is horizontally arranged at the bottom end of the rotating column, and the driving gear and the rotating column have the same movement direction, and the driving gear is engaged with an external driving device.
[0010] Compared with the prior art, the beneficial effects of the present invention are: when the cam turret drives the turret cam ring to rotate, the lifting frame is driven to lift up together with the top column seat, and then the battery cell inside the slot is lifted to the bottom end of the spot welder and the spot welder drives the welding needle to spot weld the battery cell, ensuring the accurate centering accuracy of the battery cell during welding, convenient debugging, strong stability, long service life, high efficiency and low cost, avoiding the problem that the diaphragm inside the center hole of the core is damaged when the welding needle performs spot bottom welding, reducing the scrap rate of the battery cell, ensuring the production quality and production efficiency of the battery cell, and meeting the needs of mass production.
[0011] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0013] Figure 1 This is a structural diagram of a new type of cam turret point bottom welding equipment;
[0014] Figure 2 This is another structural schematic diagram of a new type of cam turret point bottom welding equipment.
[0015] Shown in the figure: 1. Cam turret, 2. First support ring, 3. Connecting cylinder, 4. Fixed frame, 5. Second support ring, 6. Slot, 7. Cam, 8. Rotating column, 9. Driving gear, 10. Lifting frame, 11. Pillar platform, 12. Clamping seat, 13. Clamping claw, 14. Spot welder, 15. Welding needle. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0017] See also Figure 1-2 In an embodiment of the present invention, a new type of cam turret spot bottom welding equipment includes a cam turret 1, and a turret cam ring (not shown in the figure) is provided at the bottom end of the outer side of the cam turret 1, and the turret cam ring and the cam turret 1 have the same movement direction, a first support ring 2 is provided in the middle position of the cam turret 1, and the cam turret 1 rotates at the middle position of the first support ring 2, the first support ring 2 is formed with a card slot 6, and the card slots 6 are vertically distributed around the side of the outer side of the first support ring 2, and a battery cell (not shown in the figure) is vertically placed inside the card slot 6, a connecting tube 3 is horizontally provided at the top end of the outer side of the cam turret 1, and the cam turret 1 rotates at the middle position of the connecting tube 3, and the connecting tube 3 and the first support ring 2 are parallel to each other, a fixing frame 4 is vertically provided on the outside of the connecting tube 3, and a spot welder 14 is vertically provided at the bottom end of the fixing frame 4, and a welding needle 15 is vertically provided at the bottom end of the spot welder 14, and the welding needle 15 and the card slot 6 are parallel to each other, the first support ring 2 A lifting frame 10 is vertically provided, and the lifting frame 10 passes through the first support ring 2 and is lifted and lowered on the inner side of the first support ring 2. A top column seat 11 is vertically provided on the side of the lifting frame 10, and the top column seat 11 is located at the bottom end of the first support ring 2, and the top column seat 11 and the card slot 6 are parallel to each other. The top column seat 11 and the lifting frame 10 have the same movement direction, and the lifting frame 10 is driven and matched with the turret cam ring, so that the cam turret 1 drives the turret cam ring to rotate. When the battery is in the working state, the lifting frame 10 is driven to lift up together with the top column seat 11, and then the battery cell inside the card slot 6 is lifted to the bottom end of the spot welder 14 and the welding needle 15 is driven by the spot welder 14 to spot weld the battery cell, ensuring that the center degree of the battery cell is accurate during welding, convenient debugging, strong stability, long service life, high efficiency and low cost, avoiding the problem that the diaphragm inside the center hole of the core is damaged when the welding needle performs spot bottom welding, reducing the scrap rate of the battery cell, ensuring the production quality and production efficiency of the battery cell, and meeting the needs of mass production.
[0018] A cam 7 is provided between the lifting frame 10 and the turret cam ring, and the cam 7 is vertically located at the bottom end of the lifting frame 10. The cam 7 and the turret cam ring are driven to cooperate with each other, so that when the cam turret 1 drives the turret cam ring to rotate, the cam 7 moves in a wave-like manner along the trajectory inside the turret cam ring, thereby driving the lifting frame 10 and the top column seat 11 to be lifted.
[0019] A second support ring 5 is provided between the connecting tube 3 and the first support ring 2, and the second support ring 5 is mounted on the outside of the cam turret 1, and the cam turret 1 rotates at the middle position of the second support ring 5. The lifting frame 10 passes through the second support ring 5, and the lifting frame 10 is lifted and lowered on the inner side of the second support ring 5.
[0020] The second support ring 5 is provided with a clamping seat 12, and the clamping seat 12 is distributed laterally around the surface of the second support ring 5, and the lifting frame 10 passes through the clamping seat 12. The clamping seat 12 is driven to be provided with a clamping claw 13, and the clamping claw 13 is laterally located on the side of the clamping seat 12, and the clamping claw 13 is parallel to the second support ring 5, and then the lifted battery cell is clamped by the clamping claw 13 for subsequent spot welding by the spot welder 14.
[0021] A rotating column 8 is vertically arranged inside the cam turret 1, and the rotating column 8 and the cam turret 1 have the same movement direction. A driving gear 9 is horizontally arranged at the bottom end of the rotating column 8, and the driving gear 9 and the rotating column 8 have the same movement direction. The driving gear 9 is engaged with an external driving device, and the cam turret 1 is driven to rotate by the external driving device.
[0022] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced within the present invention.
Claims
1. A new type of cam turret point bottom welding equipment, characterized in that, It includes a cam turret, and a turret cam ring is provided at the bottom end of the outside of the cam turret, and the turret cam ring and the cam turret have the same movement direction, a first support ring is provided at the middle position of the cam turret, and the cam turret rotates at the middle position of the first support ring, the first support ring is formed with a card slot, and the card slots are vertically distributed around the side of the outside of the first support ring, and the battery core is vertically placed inside the card slot, a connecting cylinder is horizontally provided at the top end of the outside of the cam turret, and the cam turret rotates at the middle position of the connecting cylinder, and the connecting cylinder and the first support ring are parallel to each other. A fixing frame is vertically provided on the outside of the connecting tube, and a spot welder is vertically provided on the bottom end of the fixing frame, and a welding pin is vertically provided on the bottom end of the spot welder, and the welding pin and the card slot are parallel to each other, a lifting frame is vertically provided on the first support ring, and the lifting frame passes through the first support ring and is lifted and lowered on the inner side of the first support ring, a top column seat is vertically provided on the side of the lifting frame, and the top column seat is located at the bottom end of the first support ring, and the top column seat and the card slot are parallel to each other, the top column seat and the lifting frame have the same movement direction, and the lifting frame is driven and cooperated with the turret cam ring.
2. The novel cam turret type spot bottom welding equipment according to claim 1 is characterized in that: A cam is provided between the lifting frame and the turret cam ring, and the cam is vertically located at the bottom end of the lifting frame, and the cam is driven and matched with the turret cam ring.
3. The novel cam turret type spot bottom welding equipment according to claim 1 is characterized in that: A second support ring is provided between the connecting tube and the first support ring, and the second support ring is sleeved on the outside of the cam turret, and the cam turret rotates at the middle position of the second support ring, and the lifting frame passes through the second support ring, and the lifting frame is lifted and lowered on the inner side of the second support ring.
4. The novel cam turret type spot bottom welding equipment according to claim 3 is characterized in that: The second support ring is provided with a clamping seat, and the clamping seat is distributed transversely around the surface of the second support ring, and the lifting frame passes through the clamping seat. The clamping seat is driven to be provided with a clamping claw, and the clamping claw is transversely located on the side of the clamping seat, and the clamping claw and the second support ring are parallel to each other.
5. The novel cam turret type spot bottom welding equipment according to claim 1 is characterized in that: A rotating column is vertically arranged inside the cam turret, and the rotating column and the cam turret have the same movement direction. A driving gear is horizontally arranged at the bottom end of the rotating column, and the driving gear and the rotating column have the same movement direction, and the driving gear is engaged with an external driving device.