Ox horn capacitor laser welding device
The pins and terminals of the core pack and the sealing cover are directly welded through the Niuke Capacitor laser welding device, which solved the problem of poor height and pin contact of Huasi, and improved the storage capacity of the capacitor and the reliability of the connection.
Patent Information
- Application Number
- CN202421113715.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-05-21
AI Technical Summary
In the connection between the core package and sealing cover of the existing horn capacitor, the existence of Huasi occupyes a height, affecting the capacitance capacity, and the pins and Huasi are fixed through the puncture process, which is prone to poor contact over time.
Using a horn capacitor laser welding device, the pins of the core pack and the terminals of the sealing cover are directly welded through the laser welding machine, and the terminals of the sealing cover are omitted to ensure a firm connection between the pins and the terminals.
This achieves increasing the storage charge capacity of the bullhorn capacitor at the same height and avoids poor contact at the pin and terminal connections.
Smart Images
Figure CN222643495U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of capacitors, in particular to a horn capacitor laser welding device. Background Art
[0002] The manufacturing process of capacitors mainly includes the processes of nailing and winding electrode foil and electrolytic paper, electrolyte impregnation, pin piercing, cover riveting, aluminum shell glue filling, core package into shell, aluminum shell sealing, high temperature aging, etc. The ox-horn electrolytic capacitor, also known as the "ox-horn capacitor", is a compact capacitor in a DC circuit, which is characterized by high voltage, small size and small capacity. The ox-horn capacitor includes a shell, a core package and a sealing cover. The core package is composed of an electrode foil, an electrolytic paper and two pins. The two pins are divided into an anode and a cathode. During the winding process of the electrode foil and the electrolytic paper, the aluminum foil is riveted to the corresponding electrode foil according to the anode and the cathode respectively. After the electrode foil and the electrolytic paper are wound, they are stacked together to form the core package pins. Among them, the pin piercing is to fix the washer (spring washer) to the capacitor pin through a piercing process.
[0003] The sealing cover has two terminals, each terminal corresponds to a pin. After the two pins are pierced, the two terminals pass through the corresponding pins and washers, and then the pins are flattened. The following problems often occur after the core package and sealing cover of the existing horn capacitor are connected: first, the presence of the washers will occupy a certain height, thereby affecting the capacity of the capacitor to store charge; second, the pins and washers are fixed together through the piercing process, and as the use time increases, a gap will appear at the connection between the pins and the washers, resulting in poor contact. Utility Model Content
[0004] The utility model provides a horn capacitor laser welding device, the main purpose of which is to overcome the above-mentioned existing problems.
[0005] The utility model is implemented by the following scheme:
[0006] A horn capacitor laser welding device comprises a support seat, a rotating platform, a workbench, a flattening structure and a laser welding machine, wherein the rotating platform is connected to the top surface of the support seat, the workbench is connected to the top surface of the rotating platform, the flattening structure and the laser welding machine are located on the outside of the workbench, and the top surface of the workbench is provided with a plurality of openable and closable clamps and a plurality of sealing cover placement platforms, and each sealing cover placement platform corresponds to a clamp.
[0007] Furthermore, the flattening structure includes a base and a mounting frame, wherein the mounting frame is arranged on the top surface of the base, the mounting frame is a front-end opening structure, and a liftable support platform and a liftable flattening block are provided at the front end of the mounting frame, and the flattening block is located above the support platform.
[0008] Furthermore, a KK module is provided on the top surface of the base, and a first motor for driving the slide of the KK module to move forward and backward is provided at the rear end of the KK module, and the top surface of the slide of the KK module is connected to two lower hinged seats arranged on the left and right, and a first mounting plate is provided at the front end of the mounting frame, and two first slide rails arranged on the left and right are provided on the front end surface of the first mounting plate, and a first slider slidably matched therewith is provided on the two first slide rails, and a second mounting plate is connected to the front end surface of the first slider, and the second mounting plate is connected to the two upper hinged seats arranged on the left and right on the front end surface, and the support platform is connected to the top surfaces of the two upper hinged seats, and a connecting rod is provided between the two upper hinged seats and the two lower hinged seats, and the top of the connecting rod is hinged between the two upper hinged seats, and the bottom of the connecting rod is hinged between the two lower hinged seats.
[0009] The top surface of the base is provided with a motor mounting bracket, the top of the motor mounting bracket is provided with a second motor, the upper part of the mounting frame is provided with an upper rotating shaft and a lower rotating shaft, the output shaft of the second motor is connected to the lower rotating shaft, the lower rotating shaft is connected to a cam, the upper rotating shaft is connected to a swing arm, the rear end of the swing arm is provided with a roller that conflicts with the cam, the front end of the swing arm is hinged with a connecting rod, the bottom of the connecting rod is connected to a second mounting plate, the front end surface of the second mounting plate is provided with the flattening block, the front end of the mounting frame is connected to a third mounting plate, and a cross roller guide is connected between the third mounting plate and the second mounting plate, the front end of the mounting frame is provided with two upper spring mounting rods arranged on the left and right, the two upper spring mounting rods are located above the second mounting plate, the front end of the second mounting plate is provided with two lower spring mounting rods arranged on the left and right, each upper spring mounting rod corresponds to a lower spring mounting rod, and a first spring is provided between the corresponding upper spring mounting rod and the lower spring mounting rod.
[0010] Furthermore, the laser welding machine is connected to a Z-axis lifting platform, and a protective cover penetrating from top to bottom is provided below the laser welding machine.
[0011] Furthermore, the utility model also includes a first camera mounting frame and a first manipulator, the first camera mounting frame is located between the flattening structure and the laser welding machine, the first camera mounting frame is provided with a first camera, the first manipulator is located at one side of the laser welding machine, and a first material receiving box is provided below the first manipulator.
[0012] Furthermore, the utility model also includes a second camera mounting bracket and a second manipulator, the second camera mounting bracket is located on one side of the laser welding machine, a second camera is provided on the second camera mounting bracket, the second manipulator is located on one side of the second camera mounting bracket, and a second material receiving box is provided below the second manipulator.
[0013] Furthermore, the utility model also includes a third manipulator, and the third manipulator is located on one side of the laser welding machine.
[0014] Furthermore, the fixture includes a fixture mounting plate, two clamping blocks arranged on the left and right, and two swing arms arranged on the left and right. A core package placement platform is provided in the middle of the top surface of the fixture mounting plate, and the sealing cover placement platform is provided at the rear end of the top surface of the fixture mounting plate. The top surface of the fixture mounting plate is provided with two second slide rails arranged on the left and right, and the two second slide rails are provided with a second slider that slidably cooperates with them, and the second slider is connected to the bottom of the clamping block. A fourth mounting plate is provided at the bottom of the front end of the fixture mounting plate, and a third slide rail is provided on the front end surface of the fourth mounting plate. The third slide rail is provided with a third slider that slides with it, and the third slider is connected to a lifting block. Each swing arm corresponds to a clamping block. The top of the swing arm is hinged to the front end surface of the clamping block, and the bottom of the swing arm is hinged to the front end surface of the lifting block. The two swing arms are in a "V" shape. A second spring is provided between the front ends of the two clamping blocks. A lifting rod is provided on the bottom surface of the lifting block. Several lifting cylinders are provided under the workbench, each lifting cylinder corresponds to a lifting rod of a clamp, and the piston rod of the lifting cylinder faces upward and is connected to a lifting block.
[0015] From the above description of the utility model, it can be seen that compared with the prior art, the utility model has the following advantages: the utility model makes it unnecessary to use a washer when connecting the two pins of the core package to the terminal posts of the sealing cover. After the pins of the core package are pierced, the two terminal posts on the sealing cover are directly inserted into the holes of the corresponding pins. Then, the core package and the sealing cover after the pins are connected to the terminal posts are placed in the fixture and on the sealing cover placement table respectively. Then, the flattening structure flattens the two terminal posts on the sealing cover, and finally, the laser welding machine welds the two flattened terminal posts and the two pins. The utility model directly welds the two pins of the core package to the terminal posts of the sealing cover, and the washer can be omitted. At the same height as the existing horn capacitor, the improved capacitor can increase the height of the core package, thereby increasing the capacity of the horn capacitor to store charge; moreover, there will be no poor contact between the pins and the terminal posts by welding. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural diagram of the utility model.
[0017] Figure 2 It is a structural diagram of the utility model at another angle.
[0018] Figure 3 It is a structural diagram of the flattening structure of the utility model.
[0019] Figure 4 It is a structural exploded view of the flattening structure of the utility model.
[0020] Figure 5 This is a structural diagram of the clamp of the utility model.
[0021] Figure 6 This is a structural diagram of the core package and sealing cover of the horn capacitor. DETAILED DESCRIPTION
[0022] Reference Figure 1 and Figure 2 , including a support base 1, a rotating platform 2, a workbench 3, a flattening structure 4 and a laser welding machine 5, wherein the rotating platform 2 is connected to the top surface of the support base 1, the workbench 3 is connected to the top surface of the rotating platform 2, and the flattening structure 4 and the laser welding machine 5 are located outside the workbench 3. The top surface of the workbench 3 is provided with a plurality of openable and closable clamps 6 and a plurality of sealing cover placement platforms 7, and each sealing cover placement platform 7 corresponds to a clamp 6.
[0023] Reference Figure 2 and Figure 3 The flattening structure 4 includes a base 8 and a mounting frame 9. The mounting frame 9 is arranged on the top surface of the base 8. The mounting frame 9 is a front-end open structure. A liftable support platform 10 and a liftable flattening block 11 are provided at the front end of the mounting frame 9. The flattening block 11 is located above the support platform 10.
[0024] Reference Figure 3 and Figure 4 The top surface of the base 8 is provided with a KK module 12, and the rear end of the KK module 12 is provided with a first motor 13 for driving the slide of the KK module 12 to move forward and backward. The top surface of the slide of the KK module 12 is connected with two lower hinge seats 14 arranged on the left and right. The front end of the mounting frame 9 is provided with a first mounting plate 15, and the front end surface of the first mounting plate 15 is provided with two first slide rails 16 arranged on the left and right. The two first slide rails 16 are provided with a first slider 17 that slidably cooperates with them, and the front end surface of the first slider 17 is connected with a second mounting plate 18, and the front end surface of the second mounting plate 18 is connected with two upper hinge seats 19 arranged on the left and right. The support platform 10 is connected to the top surface of the two upper hinge seats 19. A connecting rod 20 is provided between the two upper hinge seats 19 and the two lower hinge seats 14, and the top of the connecting rod 20 is hinged between the two upper hinge seats 19, and the bottom of the connecting rod 20 is hinged between the two lower hinge seats 14. The first motor 13 is used to drive the slide of the KK module 12 to move forward and backward. When the slide of the KK module 12 moves forward, the two lower hinged seats 14 also move forward, thereby pulling the bottom of the connecting rod 20 to move forward. When the bottom of the connecting rod 20 moves forward, the top of the connecting rod 20 pulls the support platform 10 to move downward along the two first slide rails 16; conversely, when the slide of the KK module 12 moves backward, the support platform 10 moves upward along the two first slide rails 16.
[0025] Reference Figure 3 and Figure 4 The top surface of the base 8 is provided with a motor mounting frame 21, and the top of the motor mounting frame 21 is provided with a second motor 22. The upper part of the mounting frame 9 is provided with an upper rotating shaft 23 and a lower rotating shaft 24. The output shaft of the second motor 22 is connected to the lower rotating shaft 24, and the lower rotating shaft 24 is connected with a cam 25. The upper rotating shaft 23 is connected with a swing rod 26, and the rear end of the swing rod 26 is provided with a roller 27 that conflicts with the cam 25. The front end of the swing rod 26 is hinged with a connecting rod 28, and the bottom of the connecting rod 28 is connected with a second mounting plate 29, and the front end surface of the second mounting plate 29 is provided with the flattening block 11. The front end of the mounting frame 9 is connected with a third mounting plate 30, and a cross roller guide 31 is connected between the third mounting plate 30 and the second mounting plate 29. The front end of the mounting frame 9 is provided with two upper spring mounting rods 32 arranged on the left and right, and the two upper spring mounting rods 32 are located above the second mounting plate 29. The front end of the second mounting plate 29 is provided with two lower spring mounting rods 33 arranged on the left and right, and each upper spring mounting rod 32 corresponds to a lower spring mounting rod 33, and a first spring 34 is provided between the corresponding upper spring mounting rods 32 and lower spring mounting rods 33. The second motor 22 is used to drive the cam 25 to rotate. When the cam 25 rotates, the rear end of the swing rod 26 is lifted, so that the front end of the swing rod 26 descends, thereby driving the second mounting plate 29 and the flattening block 11 to descend, and the first spring 34 is stretched. During the rotation of the cam 25, the front end of the swing rod 26 automatically rises under the action of the first spring 34, thereby driving the second mounting plate 29 and the flattening block 11 to rise.
[0026] Reference Figure 1 and Figure 2 The laser welding machine 5 is connected to a Z-axis lifting platform 35. A protective cover 36 that penetrates from top to bottom is provided below the laser welding machine 5. The laser welding machine 5 can perform welding through the protective cover 36. The Z-axis lifting platform 35 is an existing device, and its specific structure is not described here.
[0027] Reference Figure 1 and Figure 2, the utility model further includes a first camera mounting frame 37, a first manipulator 38, a second camera mounting frame 39, a second manipulator 40 and a third manipulator 41. The first camera mounting frame 37 is located between the flattening structure 4 and the laser welding machine 5, the first camera mounting frame 37 is provided with a first camera 42, the first manipulator 38 is located at one side of the laser welding machine 5, and a first material receiving box 43 is provided below the first manipulator 41. The second camera mounting frame 39 is located at one side of the laser welding machine 5, the second camera mounting frame 39 is provided with a second camera 44, the second manipulator 40 is located at one side of the second camera mounting frame 39, a second material receiving box 45 is provided below the second manipulator 40, and the third manipulator 41 is located at one side of the laser welding machine 5. In this embodiment, the flattening structure 4, the first camera mounting frame 37, the laser welding machine 5, the second camera mounting frame 39, the third manipulator 41, the first manipulator 38 and the second manipulator 40 are arranged in sequence. The first camera 42 is used to detect whether the flattened terminal 64 meets the standard. If not, the first manipulator 38 grabs the core package 61 and the sealing cover 63 into the first receiving box 43. The second camera 44 is used to detect whether the pin 62 and the terminal 64 meet the standard after welding. If not, the second manipulator 40 grabs the core package 61 and the sealing cover 63 into the second receiving box 45. The third manipulator 41 grabs the core package 61 and the sealing cover 63 that meet the welding standard to the next process. The first manipulator 38, the second manipulator 40 and the third manipulator 41 are all existing devices, and their specific structures are not repeated here.
[0028] Reference Figure 1 , Figure 2 and Figure 5The fixture 6 includes a fixture mounting plate 46, two clamping blocks 47 arranged on the left and right, and two swing arms 48 arranged on the left and right. A core package placement platform 49 is provided in the middle of the top surface of the fixture mounting plate 46, and the sealing cover placement platform 7 is provided at the rear end of the top surface of the fixture mounting plate 46. Two second slide rails 50 arranged on the left and right are provided on the top surface of the fixture mounting plate 46. The two second slide rails 50 are each provided with a second slider 51 that is slidably matched therewith, and the second slider 51 is connected to the bottom of the clamping block 47. A fourth mounting plate 52 is provided at the bottom of the front end of the fixture mounting plate 46, and a third slide rail 53 is provided on the front end surface of the fourth mounting plate 52. The third slide rail 53 is provided with a third slider 54 that is slidably matched therewith, and the third slider 54 is connected to a lifting block 55. Each swing arm 48 corresponds to a clamping block 47, the top of the swing arm 48 is hinged to the front end surface of the clamping block 47, the bottom of the swing arm 48 is hinged to the front end surface of the lifting block 55, the two swing arms 48 are in a "V" shape, a second spring 56 is provided between the front ends of the two clamping blocks 47, a lifting rod 57 is provided on the bottom surface of the lifting block 55, and a plurality of lifting cylinders 58 are provided under the workbench 3, each lifting cylinder 58 corresponds to a lifting rod 57 of a fixture 6, and the piston rod of the lifting cylinder 58 faces upward and is connected to a lifting block 59. In this embodiment, there are four lifting cylinders 58, one for each of the first manipulator 38, the second manipulator 40 and the third manipulator 41, and the other one is used for the initial placement of the core package; there are at least eight fixtures 6, and in this embodiment, there are twelve fixtures 6. When the piston rod of the lifting cylinder 58 rises, the lifting block 59 pushes the lifting rod 57 and the lifting block 55 to rise. At this time, the tops of the two swing arms 48 open, causing the two clamping blocks 47 to open, thereby loosening the core package; conversely, when the piston rod of the lifting cylinder 58 descends, the two clamping blocks 47 clamp under the left and right of the second spring 56, thereby clamping the core package 61.
[0029] Reference Figures 1 to 6The working principle of the utility model is as follows: the utility model is installed on a table 60, and after the pin 62 of the core package 61 is pierced, the two terminals 64 on the sealing cover 63 are directly inserted into the holes corresponding to the pins 62, and then the core package 61 and the sealing cover 63 after the pins 62 and the terminals 64 are connected are placed in the fixture 6 and on the sealing cover placement table 7 respectively, then the support table 10 rises to support the sealing cover placement table 7, and then the flattening block 11 descends to flatten the two terminals 64 on the sealing cover 63, and after the two terminals 64 on the sealing cover 63 are flattened, the support table 10 descends, and the workbench 3 rotates to send the flattened sealing cover 63 and the core package 61 to the first A camera 42 is used to detect below. After the detection is completed, the workbench 3 continues to rotate. If the flattening test is qualified, the laser welding machine 5 welds the pins 62 and the flattened terminals 64. If the flattening test is unqualified, the first manipulator 38 grabs the core package 61 and the sealing cover 63 into the first receiving box 43. The workbench 3 continues to rotate, and the second camera 44 detects the welded pins 62 and the terminals 64. If the welding test is qualified, the third manipulator 41 grabs the core package 61 and the sealing cover 63 that meet the welding standards to the next process. If the welding test is unqualified, the second manipulator 40 grabs the core package and the sealing cover into the second receiving box 45.
[0030] The above is only a specific implementation method of the utility model, but the design concept of the utility model is not limited to this. Any non-substantial changes to the utility model using this concept shall be deemed as an infringement of the protection scope of the utility model.
Claims
1. A horn capacitor laser welding device, characterized in that: It includes a support base, a rotating platform, a workbench, a flattening structure and a laser welding machine, the rotating platform is connected to the top surface of the support base, the workbench is connected to the top surface of the rotating platform, the flattening structure and the laser welding machine are located on the outside of the workbench, and the top surface of the workbench is provided with a plurality of openable and closable clamps and a plurality of sealing cover placement platforms, and each sealing cover placement platform corresponds to a clamp.
2. A horn capacitor laser welding device as claimed in claim 1, characterized in that: The flattening structure includes a base and a mounting frame. The mounting frame is arranged on the top surface of the base. The mounting frame is a front-end open structure. A liftable support platform and a liftable flattening block are arranged at the front end of the mounting frame. The flattening block is located above the support platform.
3. A horn capacitor laser welding device as claimed in claim 2, characterized in that: A KK module is provided on the top surface of the base, and a first motor is provided at the rear end of the KK module to drive the slide of the KK module to move forward and backward. The top surface of the slide of the KK module is connected to two lower hinged seats arranged on the left and right. A first mounting plate is provided at the front end of the mounting frame, and two first slide rails arranged on the left and right are provided on the front end surface of the first mounting plate. The two first slide rails are provided with a first slider that slides with them. The front end surface of the first slider is connected to a second mounting plate, and the front end surface of the second mounting plate is connected to two upper hinged seats arranged on the left and right. The support platform is connected to the top surfaces of the two upper hinged seats, and a connecting rod is provided between the two upper hinged seats and the two lower hinged seats. The top of the connecting rod is hinged between the two upper hinged seats, and the bottom of the connecting rod is hinged between the two lower hinged seats.
4. A horn capacitor laser welding device as claimed in claim 2, characterized in that: The top surface of the base is provided with a motor mounting bracket, the top of the motor mounting bracket is provided with a second motor, the upper part of the mounting frame is provided with an upper rotating shaft and a lower rotating shaft, the output shaft of the second motor is connected to the lower rotating shaft, the lower rotating shaft is connected to a cam, the upper rotating shaft is connected to a swing arm, the rear end of the swing arm is provided with a roller that conflicts with the cam at the front end of the swing arm, the bottom of the connecting rod is hinged with a connecting rod, the second mounting plate is connected with the third mounting plate at the front end surface of the second mounting plate, the front end of the mounting frame is connected with a third mounting plate, and a cross roller guide is connected between the third mounting plate and the second mounting plate. The front end of the mounting frame is provided with two upper spring mounting rods arranged on the left and right, the two upper spring mounting rods are located above the second mounting plate, and the front end of the second mounting plate is provided with two lower spring mounting rods arranged on the left and right, each upper spring mounting rod corresponds to a lower spring mounting rod, and a first spring is provided between the corresponding upper spring mounting rod and the lower spring mounting rod.
5. A horn capacitor laser welding device as claimed in claim 1, characterized in that: The laser welding machine is connected to a Z-axis lifting platform, and a protective cover penetrating from top to bottom is provided below the laser welding machine.
6. A horn capacitor laser welding device as claimed in claim 1, characterized in that: It also includes a first camera mounting frame and a first manipulator. The first camera mounting frame is located between the flattening structure and the laser welding machine. The first camera mounting frame is provided with a first camera. The first manipulator is located at one side of the laser welding machine. A first material receiving box is provided below the first manipulator.
7. A horn capacitor laser welding device as claimed in claim 1, characterized in that: It also includes a second camera mounting bracket and a second manipulator. The second camera mounting bracket is located at one side of the laser welding machine. A second camera is provided on the second camera mounting bracket. The second manipulator is located at one side of the second camera mounting bracket. A second material receiving box is provided below the second manipulator.
8. A horn capacitor laser welding device as claimed in claim 1, characterized in that: It also includes a third robot, which is located on one side of the laser welding machine.
9. A horn capacitor laser welding device as claimed in claim 1, characterized in that: The clamp comprises a clamp mounting plate, two clamping blocks arranged on the left and right, and two swing arms arranged on the left and right. A core package placement platform is provided in the middle of the top surface of the clamp mounting plate, and the sealing cover placement platform is provided at the rear end of the top surface of the clamp mounting plate. The top surface of the clamp mounting plate is provided with two second slide rails arranged on the left and right, and the two second slide rails are provided with a second slider that slidably cooperates with them, and the second slider is connected to the bottom of the clamping block. A fourth mounting plate is provided at the bottom of the front end of the clamp mounting plate, and a third slide rail is provided on the front end surface of the fourth mounting plate. The three slide rails are provided with a third slider that slides with them, and the third slider is connected to a lifting block. Each swing arm corresponds to a clamping block. The top of the swing arm is hinged to the front end surface of the clamping block, and the bottom of the swing arm is hinged to the front end surface of the lifting block. The two swing arms are in a "V" shape. A second spring is provided between the front ends of the two clamping blocks, and a lifting rod is provided on the bottom surface of the lifting block. A number of lifting cylinders are provided under the workbench, and each lifting cylinder corresponds to a lifting rod of a clamp. The piston rod of the lifting cylinder faces upward and is connected to a lifting block.