Welding equipment suitable for collector plate
By designing a turret-type welding equipment, the synchronous operation of multiple workpieces in the collector plate is realized, which speeds up the welding of battery cells, improves production efficiency, reduces costs, and solves the problem of long process changeover time in existing technologies.
Patent Information
- Application Number
- CN202520205720.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-10
AI Technical Summary
In existing linear manifold welding equipment, the process changeover time is long, resulting in low production efficiency and high costs.
The turret welding equipment uses a turntable and a flipping mechanism to achieve simultaneous operation of multiple workpieces. It also utilizes a flip plate and laser welding machine to quickly switch between different workstations, thus optimizing the number of operating equipment.
It improves production efficiency, reduces the number of welds per unit time, and lowers production costs. High-efficiency welding can be achieved with just one laser welding machine.
Smart Images
Figure CN223748765U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of current collection disc welding, especially a welding equipment suitable for current collection disc. BACKGROUND
[0002] The current mainstream mode of current collection disc welding is linear laser welding.
[0003] The above linear refers to the mechanism of each process such as turning and welding of the current collection disc, which is integrated on a straight line. The linear laser welding equipment contains multiple laser welding heads and other devices. When entering a process in the linear mode, the time for changing workpieces is relatively long. In order to ensure production efficiency, a certain number of laser welding heads and other series of operation devices are required.
[0004] This is not conducive to cost savings for the manufacturer, and the efficiency is also at a low level. INVENTION CONTENTS
[0005] To solve the above problems, the utility model provides a welding equipment suitable for current collection disc, which provides a turret type welding mode. Multiple workpieces are processed at different positions at the same time. This synchronous operation mode shortens the welding time and improves the overall production efficiency.
[0006] To achieve the above purpose, the utility model adopts the technical scheme of:
[0007] A welding equipment suitable for current collection disc, characterized by at least containing a group of welding mechanisms and a carrying mechanism for transferring the battery cell between the two welding mechanisms. The structures of the welding mechanisms are the same. The welding mechanism contains a turntable, a turning mechanism and a laser welding machine. The turning mechanism is arranged on the turntable. The turning mechanism has a positioning table for positioning the battery cell and a turning plate for turning on the positioning table. The turning plate is provided with a slot structure for accommodating the current collection disc. The slot structure presses the current collection disc on the end of the battery cell by rotating the turning plate. The turning plate is provided with an opening. The output end of the laser welding machine corresponds to the opening.
[0008] The utility model has the beneficial effects of:
[0009] The utility model discloses a kind of turret type welding structures, after negative pole completes welding, current battery is sent into the working range of carrying mechanism immediately by rotating disc, and is placed into positive pole welding area by carrying mechanism, simultaneously, rotating disc is sent into the work area range of welding mechanism in the way of rotating in front, in this mode, the synchronous operation of different stations speeds up the welding of battery, and production efficiency is improved.Synchronous operation of different stations makes the number of operation equipment be optimized, in other words, the length of pause operation in the middle of laser welding machine is greatly shortened, and the number of welding in unit time is significantly improved, under the same result, the utility model only has a laser welding machine, and production cost is greatly reduced.
[0010] Specifically, the turnover mechanism has multiple, the number of turnover mechanism corresponds to the number of each station, to ensure that each station can be synchronized production.In this embodiment, the turnover mechanism is provided with 4.
[0011] The turnover mechanism includes a turnover cylinder, a rack, a gear and a turnover seat, the turnover seat is provided with a rotating shaft, a flap is arranged on the turnover seat through the rotating shaft, the flap and the turnover seat are relatively rotated, the rotating shaft extends out of the turnover seat and is sleeved by the gear, the rack is slidably connected with the rotating disc, the teeth on the rack are engaged with the gear, the output end of the turnover cylinder is connected with the side surface of the rack, under the action of the turnover cylinder, the rack is linearly moved on the rotating disc, the flap sleeved on the rotating shaft is driven to rotate by the engagement connection effect of the rack, so that the turnover action of the flap is realized.
[0012] As can be seen, this design is made for the structure of battery, and the form of side output ensures the flatness in the notch structure to avoid affecting the placement of current collector plate in the notch structure.
[0013] The positioning table is used to support the face of the battery and is provided with a groove, specifically, the groove is V-shaped, which not only avoids the battery from separating from the positioning table, but also facilitates the subsequent removal of the battery from the positioning table.
[0014] A support table is also provided in the central region of the rotating disc, and the support table is connected with the rotating disc through a bearing, and the support table is fixed, and a cylinder finger for stripping is provided on the support table, after the welding is completed, the cylinder finger clamps the battery on the positioning table, and the turnover cylinder controls the rack to return, which solves the problem that the current collector plate is still connected with the flap after welding.
[0015] A pushing cylinder corresponding to the inner end of the battery is also provided on the support table, and when the flap turns over the current collector plate to the outer end of the battery, the battery will move on the positioning table at the moment of contacting the battery, at this time, the pushing cylinder exerts pressure on the inner end of the battery to re-calibrate the position of the battery.
[0016] The laser welding machine further comprises a positioning part, which is arranged on the support table and used for abutting against the inner end of the battery cell to prevent the battery cell from being displaced during welding.
[0017] The displacement of the battery cell during welding is mainly based on the linear movement mechanism and the vacuumizing assembly arranged on the linear movement mechanism in the laser welding machine. The vacuumizing assembly comprises a springing nozzle in the shape of a tapered table. The springing nozzle is hollow and has open structures on the front and back surfaces. The springing nozzle ensures the compact contact between the current collector and the battery cell. The laser passes through the open structures to weld the current collector.
[0018] The vacuumizing assembly comprises a vacuumizing chamber in the shape of a ring. The inner ring surface of the vacuumizing chamber is provided with a plurality of negative pressure ports. The springing nozzle is arranged on the back surface of the vacuumizing chamber. The dust generated during welding directly passes through the springing nozzle and is sucked away by the negative pressure ports.
[0019] Usage of the embodiment:
[0020] S1, the manipulator places the negative current collector into the first flap.
[0021] S2, the turntable starts to rotate clockwise to bring the current collector to the next station. Another manipulator places the battery cell on the first positioning table.
[0022] S3, the pushing cylinder and the first flap cooperate to make the current collector cover the end of the battery cell and contact the battery cell.
[0023] S4, the turntable continues to rotate to the welding station. The positioning part abuts against the inner end of the battery cell. At the same time, the linear movement mechanism pushes the vacuumizing chamber to move towards the outer end of the battery cell. The springing nozzle is located between the vacuumizing chamber and the outer end of the battery cell. Under the action of the linear movement mechanism, the springing nozzle abuts against the first flap. The secondary pressing action makes the contact between the battery cell and the current collector more compact. After positioning, the laser is shot onto the current collector for welding.
[0024] S6, after the welding is completed, the battery cell continues to move following the rotation of the turntable. After rotation, the battery cell corresponds to the cylinder finger. The cylinder finger clamps the battery cell to reset the first flap to separate the first flap from the battery cell.
[0025] S7, the carrying mechanism transfers the battery cell with the welded negative current collector to the adjacent positive welding mechanism. In the positive welding mechanism, the same procedures as S1-S6 are performed.
[0026] The above-mentioned carrying mechanism, linear movement mechanism and positioning part are prior art, and thus their structures are not described in detail. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 is a perspective view of the utility model.
[0028] Figure 2 is a perspective view of the negative electrode welding mechanism.
[0029] Figure 3 is a schematic view in the material stripping station.
[0030] Figure 4 is a schematic view before the current collector plate is put into the turnover plate.
[0031] Figure 5 is Figure 2 a perspective view of another aspect.
[0032] Figure 6 is a schematic view of the material pushing air cylinder used in cooperation with the turnover plate.
[0033] Figure 7 is a schematic view when the battery cell is welded.
[0034] Figure 8 is a perspective view of the laser welding machine.
[0035] Figure 9 is Figure 8 an enlarged schematic view of E of the utility model.
[0036] Figure 10 is Figure 8 a perspective view of another aspect.
[0037] Figure 11 is Figure 10 an enlarged schematic view of F of the utility model. DETAILED DESCRIPTION
[0038] As shown in Figures 1-11 , a kind of welding equipment suitable for current collector plate, at least contains a set of welding mechanism 1, and the battery cell 3 is transferred between two welding mechanism 1 and realizes the handling mechanism (not shown in the figure), the structure same between welding mechanism 1, welding mechanism 1 contains carousel 100, turnover mechanism, laser welding machine 103, turnover mechanism is arranged on carousel 100, turnover mechanism has the positioning table 101 for positioning battery cell 3 and the turnover of the turnover plate 102 on positioning table 101, turnover plate 102 is equipped with the slot structure 102a containing current collector plate 4, the slot structure 102a is pressed on the end of battery cell 3 by the rotation of turnover plate 102, turnover plate 102 is equipped with opening, and the output end of laser welding machine 103 corresponds with the above-mentioned opening.
[0039] The utility model has the beneficial effects that:
[0040] The utility model discloses a kind of turret type welding structures, after negative current collector 4 is completed welding, current battery 3 is sent into the working range of carrying mechanism immediately by rotating disc 100, and is placed into positive electrode welding area by carrying mechanism, simultaneously, rotating disc 100 is sent into the work area range of welding mechanism 1 in the way of rotating in front, in this mode, the synchronous operation of different stations speeds up the welding of battery 3, and improves production efficiency.Synchronous operation of different stations makes the number of operation equipment be optimized, in other words, the length of pause operation in laser welding machine 103 is greatly shortened, and the number of welding in unit time is significantly improved, under the same result, the utility model only has a laser welding machine 103, and production cost is greatly reduced.
[0041] Specifically, the turnover mechanism has multiple, the number of turnover mechanism corresponds to the number of each station, to ensure that each station can be synchronized production.In the embodiment, the turnover mechanism is provided with 4.
[0042] Turnover mechanism includes turnover cylinder 103, rack 104, gear 105 and turnover seat 106, turnover seat 106 is provided with pivot, flap 102 is arranged on turnover seat 106 through pivot, flap 102 and turnover seat 106 are relatively rotated, pivot extends out of turnover seat 106 again, and is covered by gear 105, rack 104 and rotating disc 100 are slidingly connected, the teeth on rack 104 are engaged with gear 105, the output end of turnover cylinder 103 is connected with the side surface of rack 104, under the action of turnover cylinder 103, rack 104 is pushed to do linear movement on rotating disc 100, rack 104 drives flap 102 on pivot to rotate through the engagement connection effect, to realize the turnover action of flap 102.
[0043] It is not difficult to see that this design is made for the structure of battery 3, from the form of side output, ensure the flatness in notch structure 102a, to avoid affecting the placement of current collector 4 in notch structure 102a.
[0044] Positioning table 101 is used to support the face of battery 3 and is provided with groove, specifically, the groove is V-shaped 101A, in addition to avoiding battery 3 from separating from positioning table 101, also facilitate subsequent extraction of battery 3 from positioning table 101.
[0045] Supporting table 107 is further provided in the central region of rotating disc 100, supporting table 107 is connected with rotating disc 100 through bearing, supporting table 107 is fixed, cylinder finger 108 for stripping is provided on supporting table 107, after finishing welding, cylinder finger 108 is clamped battery 3 on positioning table 101, turnover cylinder 103 controls rack 104 to reset, which solves the problem that current collector 4 is connected with flap 102 after welding.
[0046] The support table 107 is provided with a pushing cylinder 109 corresponding to the inner end of the battery cell 3. When the flap 102 flips the current collector 4 to the outer end of the battery cell 3, the battery cell 3 will move on the positioning table 101 at the moment of contacting the battery cell 3. At this time, the pushing cylinder 109 exerts pressure on the inner end of the battery cell 3 to re-align the position of the battery cell 3.
[0047] The laser welding machine 103 further comprises a positioning portion 103a, which is also provided on the support table 107 and used to abut against the inner end of the battery cell 3 to prevent displacement of the battery cell 3 during welding.
[0048] The displacement of the battery cell 3 during welding is mainly based on the linear movement mechanism 103b and the vacuum extraction assembly provided on the linear movement mechanism 103b in the laser welding machine 103. The vacuum extraction assembly comprises a tapered nozzle 103c, which is hollow inside and has open structures on the front and back surfaces. The nozzle 103c ensures that the contact between the current collector 4 and the battery cell 3 is compact, and the laser in the laser head 103e passes through the open structure to weld the current collector 4.
[0049] The vacuum extraction assembly comprises a vacuum extraction chamber 103d with an annular structure. The inner annular surface of the vacuum extraction chamber 103d is provided with a plurality of negative pressure ports. The nozzle 103c is arranged on the back surface of the vacuum extraction chamber 103d. The dust generated during welding directly passes through the nozzle 103c and is sucked away by the negative pressure ports.
[0050] Usage of the specific embodiment:
[0051] S1, in the negative electrode welding mechanism 1b, the robot places the current collector 4 of the negative electrode into the first flap 102;
[0052] S2, the turntable 100 starts to rotate clockwise to bring the current collector 4 to the next station, and another robot places the battery cell 3 on the first positioning table 101;
[0053] S3, the pushing cylinder 109 and the first flap 102 cooperate to make the current collector 4 cover the end of the battery cell 3 and contact the battery cell 3;
[0054] S4, the rotating disc 100 continues to rotate into the welding station, the positioning part 103a is against the inner end of the battery cell 3, at the same time, the linear moving mechanism 103b pushes the vacuumizing chamber 103d to move to the outer end of the battery cell 3, the spring-pressing nozzle 103c is located between the vacuumizing chamber 103d and the outer end of the battery cell 3, under the action of the linear moving mechanism 103b, the spring-pressing nozzle 103c is against the first flap 102, the secondary pressing action makes the contact between the battery cell 3 and the current collecting disc 4 more compact; after the positioning is finished, the laser is shot onto the current collecting disc 4 to perform welding;
[0055] S6, after the welding is finished, the battery cell 3 continues to move following the rotating disc 100, and the battery cell 3 corresponds to the cylinder finger 108 after rotating, the cylinder finger 108 clamps the battery cell 3 to reset the first flap 102, so that the first flap 102 is separated from the battery cell 3;
[0056] S7, the carrying mechanism transfers the battery cell 3 with the welded negative current collecting disc 4 to the positive welding mechanism 1a of the adjacent wall, in the positive welding mechanism 1a, the same procedures as S1-S6 are performed.
[0057] The above carrying mechanism, linear moving mechanism 103b and positioning part 103a are all prior art, therefore, the structure will not be described again.
[0058] The above embodiment only describes the preferred embodiment of the present application, and does not limit the scope of the present application, under the premise of not departing from the design spirit of the present application, various deformations and improvements of the technical scheme of the present application made by the ordinary engineering technical personnel in the field should fall into the protection scope determined by the claims of the present application.
Claims
1. A welding apparatus suitable for use with a current collector plate, characterized by, At least one set of welding mechanism and the transport mechanism to achieve the transfer of the battery between two welding mechanism, welding mechanism between the same structure, welding mechanism contains a turntable, turnover mechanism, laser welding machine, turnover mechanism is set on the turntable, turnover mechanism has a positioning table for positioning the battery and the turnover plate on the positioning table, the turnover plate is provided with a notch structure containing the current collector, the notch structure is pressed on the end of the battery by the turnover plate rotation, the turnover plate is provided with an opening, the output end of the laser welding machine corresponds to the opening.
2. The welding apparatus for a current collector plate according to claim 1, wherein The turnover mechanism contains a turnover cylinder, a rack, a gear and a turnover seat, the turnover seat is provided with a rotating shaft, the turnover plate is arranged on the turnover seat through the rotating shaft, the turnover plate and the turnover seat are relatively rotated, the rotating shaft extends out of the turnover seat and is sleeved by the gear, the rack is slidably connected with the turntable, the teeth on the rack are engaged with the gear, the output end of the turnover cylinder is connected with the side surface of the rack.
3. The welding apparatus for a current collector plate according to claim 1, wherein The positioning table is used for supporting the face of the battery and is provided with a groove, specifically, the groove is V-shaped.
4. The welding apparatus for a current collector plate according to claim 1, wherein In the center area of the turntable, a supporting table is also provided, the supporting table is connected with the turntable through a bearing, the supporting table is fixed, the supporting table is provided with a cylinder finger for stripping material.
5. The welding apparatus suitable for use with a current collector plate of claim 4, wherein, The supporting table is provided with a pushing cylinder corresponding to the inner end of the battery.
6. The welding apparatus suitable for use with a current collector plate of claim 4, wherein, The laser welding machine also contains a positioning part, which is also arranged on the supporting table.
7. The welding apparatus suitable for use with a current collector plate of claim 4, wherein, The laser welding machine contains a linear moving mechanism and an evacuation assembly arranged on the linear moving mechanism, the evacuation assembly contains a spring pressure nozzle in the shape of a tapered table, the inside of the spring pressure nozzle is hollow, and the front and back surfaces are provided with an open structure.
8. The welding apparatus suitable for use with a current collector plate of claim 7, wherein, The evacuation assembly contains an evacuation warehouse with a ring structure, the inner ring surface of the evacuation warehouse is provided with a plurality of negative pressure ports, and the spring pressure nozzle is arranged on the back surface of the evacuation warehouse.