Thin film capacitor positioning and welding device

Abstract

The utility model belongs to the technical field of thin-film capacitor processing equipment, and particularly relates to a thin-film capacitor positioning and welding device which comprises a rotating plate, a thin-film capacitor positioning assembly and a fixing assembly are installed on the upper surface of the rotating plate, and the fixing assembly is located on one side of the thin-film capacitor positioning assembly. A rotating shaft is installed in the center of the lower surface of the rotating plate, the bottom end of the rotating shaft penetrates through a bearing in the center of the surface of the supporting plate and is installed in a bearing seat, a driven gear is installed below the outer wall of the rotating shaft, and the driven gear is connected with the driving gear in an engaged mode. The welding stability between the pin body and the thin-film capacitor body is effectively improved, the welding efficiency is also improved, the thin-film capacitor body and the pin body of different models can be welded by replacing the thin-film capacitor positioning assemblies of different models, and the practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of film capacitor processing equipment, and in particular relates to a film capacitor positioning welding device. Background Art

[0002] Film capacitors are capacitors with excellent performance. Their main characteristics are as follows: non-polarity, high insulation impedance, excellent frequency characteristics (wide frequency range), and low dielectric loss. Due to their excellent performance, film capacitors are promoted in the electronics, home appliances, communications, power and other industries. After the film capacitor elements undergo processes such as energization, pin welding, and packaging, they become finished film capacitors.

[0003] After searching, the patent announcement number CN210677254U discloses a pin welding device for film capacitor processing, including a working box, the working box is a cylindrical hollow structure, the center position of the inner bottom surface of the working box is rotatably connected to a mounting rod through a rolling bearing, the upper end of the mounting rod is fixedly connected to a fixture base through screws, a servo motor is fixedly connected to one side of the inner bottom surface of the working box, the output end of the servo motor is fixedly connected to a bevel gear 1 through a key, the middle rod body outer wall of the mounting rod is also fixedly connected to a bevel gear 2, and the bevel gear 2 is meshed with the bevel gear 1, and a capacitor fixing mechanism is also provided on the outer side of the upper end of the fixture base, the capacitor fixing mechanism includes a fixing block, the fixing block is fixedly connected to the upper end surface of the fixture base by screws, and a fixing groove is provided at the center position of the upper end surface of the fixing block. The utility model can realize continuous operation, has high work efficiency, and firmly fixes the wire, which well guarantees the welding quality of the pins of the film capacitor.

[0004] When the existing film capacitor welding device is actually used, when the welding structure is used to weld the pins and the film capacitors, the connection between the pins and the film capacitors is in an unstable state during the welding process, which can easily lead to deviations in the solder joints between the pins and the film capacitors, and it is not easy to perform welding operations on film capacitors of different models and pins. For this reason, we propose a film capacitor positioning welding device to solve the existing problems. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a film capacitor positioning welding device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A film capacitor positioning welding device comprises a rotating plate: a film capacitor positioning assembly and a fixing assembly are installed on the upper surface of the rotating plate, and the fixing assembly is located on one side of the film capacitor positioning assembly; a rotating shaft is installed at the center position of the lower surface of the rotating plate, the bottom end of the rotating shaft passes through the bearing at the center position of the support plate surface and is installed in the bearing seat, and a driven gear is installed below the outer wall of the rotating shaft, the driven gear is meshed and connected with the driving gear, and the driving gear is installed on the output shaft of the stepper motor, the bearing seat and the stepper motor are both installed on the upper surface of the base, and the bearing seat is located on one side of the stepper motor, a hydraulic telescopic rod is installed on one side of the upper surface of the base, a top plate is installed on the top of the hydraulic telescopic rod, and a laser welding machine is installed on one side of the lower surface of the top plate.

[0008] Furthermore, there are four film capacitor positioning components and four fixing components, and the four film capacitor positioning components and the four fixing components are distributed in a ring array.

[0009] Furthermore, arc-shaped sliders are installed on both sides of the lower surface of the rotating plate, the bottom ends of the arc-shaped sliders are installed on the hollow annular slide rails, and the arc-shaped sliders and the hollow annular slide rails are slidably connected, the hollow annular slide rails are installed on the upper surface of the support plate, and support rods are installed on the lower surface of the support plate. There are four support rods, and the four support rods are distributed in a ring array, and the bases of the support rods are installed on the upper surface of the base.

[0010] Furthermore, support feet are installed at four corners of the lower surface of the base.

[0011] Furthermore, the fixing assembly is composed of a mounting plate, a second connecting rod, a second fixing clamping plate, an electric push rod, a third connecting rod and a third fixing clamping plate. A mounting plate is installed on the top end of the electric push rod, and the lower surface of the mounting plate is respectively connected to the second fixing clamping plate and the third fixing clamping plate through the second connecting rod and the third connecting rod, and the bottom end of the electric push rod is installed on the upper surface of the rotating plate.

[0012] Furthermore, a film capacitor positioning cylinder is provided on the film capacitor positioning assembly, a positioning groove is opened at the top center position of the film capacitor positioning cylinder, a film capacitor body is arranged in the positioning groove, the groove wall of the positioning groove is connected to the first fixed clamping plate through a spring, one side of the top end of the film capacitor positioning cylinder is connected to the pin placement groove body through a first connecting rod, and a pin body is arranged on the inner side of the pin placement groove body.

[0013] Furthermore, a threaded column is installed at the center of the bottom end of the film capacitor positioning cylinder, the threaded column is installed in the threaded hole, and the outer wall of the threaded column is connected with the hole wall of the threaded hole with a gap.

[0014] By means of the above technical solution, the utility model provides a film capacitor positioning welding device, which has at least the following beneficial effects:

[0015] 1. The utility model adopts the coordinated arrangement of the fixing assembly and other structures, and the fixing assembly can limit and fix the pin body on the film capacitor positioning assembly, thereby enhancing the stability of the connection between the pin body and the film capacitor body during the welding process, thereby avoiding the occurrence of large deviations in the solder joints between the pin body and the film capacitor body, and improving the quality of welding between the pin body and the film capacitor body.

[0016] 2. The utility model uses the coordinated arrangement of the rotating plate, the film capacitor positioning assembly and other structures to facilitate the staff to disassemble and assemble the film capacitor positioning assembly and to replace film capacitor positioning assemblies of different types. Thus, the utility model can perform welding operations on film capacitor bodies and pin bodies of different types by replacing film capacitor positioning assemblies of different types.

[0017] 3. The utility model is provided with four film capacitor positioning components through the coordination of structures such as a stepping motor, a rotating plate, a rotating shaft, a driven gear, and a driving gear. The upper surface of the rotating plate is provided with four film capacitor positioning components, and the four film capacitor positioning components are provided with the pin bodies and film capacitor bodies required for welding. When the stepping motor is started, the rotating plate is driven to rotate. The rotation of the rotating plate is driven to rotate the four film capacitor positioning components, and the film capacitor positioning components are moved to the bottom of the laser welding machine. The laser welding machine welds the welding points between the pin bodies on the film capacitor positioning components and the film capacitor bodies. When the laser welding machine laser welds the pin bodies and the film capacitor bodies on one film capacitor positioning component, the staff can disassemble the film capacitor bodies welded on another film capacitor positioning component and place new pin bodies and film capacitor bodies required for welding. When the pin bodies and the film capacitor bodies are laser welded, the staff must wait until the welding between the pin bodies and the film capacitor bodies is completed before disassembling the welded film capacitor bodies and placing new pin bodies and film capacitor bodies required for welding, thereby improving the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0019] Figure 1 Schematic diagram of the three-dimensional structure of the film capacitor positioning welding device provided in the embodiment of the present application Figure 1 ;

[0020] Figure 2Schematic diagram of the three-dimensional structure of the film capacitor positioning welding device provided in the embodiment of the present application Figure 2 ;

[0021] Figure 3 A schematic diagram of the internal structure of a film capacitor positioning welding device provided in an embodiment of the present application;

[0022] Figure 4 A schematic diagram of the structure of a fixing component of a film capacitor positioning welding device provided in an embodiment of the present application;

[0023] Figure 5 Schematic diagram of the structure of the film capacitor positioning assembly of the film capacitor positioning welding device provided in the embodiment of the present application Figure 1 ;

[0024] Figure 6 A schematic structural diagram of a film capacitor positioning assembly of a film capacitor positioning welding device provided in an embodiment of the present application without a pin body and a film capacitor body;

[0025] Figure 7 Schematic diagram of the structure of the film capacitor positioning assembly of the film capacitor positioning welding device provided in the embodiment of the present application Figure 2 ;

[0026] Figure 8 Schematic diagram of the rotating plate structure of the film capacitor positioning welding device provided in the embodiment of the present application Figure 1 ;

[0027] Fig. 9 Schematic diagram of the rotating plate structure of the film capacitor positioning welding device provided in the embodiment of the present application Figure 2 .

[0028] In the figure: 1. top plate; 2. laser welding machine; 3. hydraulic telescopic rod; 4. film capacitor positioning assembly; 401. pin placement slot; 402. first connecting rod; 403. film capacitor positioning cylinder; 404. spring; 405. pin body; 406. film capacitor body; 407. positioning groove; 408. first fixed clamping plate; 409. threaded column; 5. rotating plate; 501. arc slider; 502. threaded hole; 6. support plate; 601. support rod; 602. hollow annular slide rail; 7. stepping motor; 8. base; 9. support foot; 10. fixing assembly; 1001. mounting plate; 1002. second connecting rod; 1003. second fixed clamping plate; 1004. electric push rod; 1005. third connecting rod; 1006. third fixed clamping plate; 11. bearing seat; 12. rotating shaft; 13. driven gear; 14. driving gear. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figures 1 to 9 The film capacitor positioning welding device of the utility model mainly comprises a rotating plate 5: a film capacitor positioning component 4 and a fixing component 10 are installed on the upper surface of the rotating plate 5, and the fixing component 10 is located on one side of the film capacitor positioning component 4, a rotating shaft 12 is installed at the center position of the lower surface of the rotating plate 5, the bottom end of the rotating shaft 12 passes through the bearing at the center position of the surface of the supporting plate 6 and is installed in the bearing seat 11, and a driven gear 13 is installed below the outer wall of the rotating shaft 12, the driven gear 13 is meshed and connected with the driving gear 14, and the driving gear 14 is installed on the output shaft of the stepping motor 7, the bearing seat 11 and the stepping motor 7 are both installed on the upper surface of the base 8, and the bearing seat 11 is located on one side of the stepping motor 7, a hydraulic telescopic rod 3 is installed on one side of the upper surface of the base 8, a top plate 1 is installed on the top of the hydraulic telescopic rod 3, and a laser welding machine 2 is installed on one side of the lower surface of the top plate 1;

[0031] There are four film capacitor positioning components 4 and four fixing components 10, and the four film capacitor positioning components 4 and the four fixing components 10 are distributed in a ring array. Arc sliders 501 are installed on both sides of the lower surface of the rotating plate 5. The bottom end of the arc slider 501 is installed on the hollow annular slide rail 602, and the arc slider 501 and the hollow annular slide rail 602 are slidably connected. The matching setting of the arc slider 501 and the hollow annular slide rail 602 can play a role in limiting and guiding the rotation of the rotating plate 5, thereby enhancing the stability of the film capacitor positioning component 4 during rotation. The hollow annular slide rail 602 is installed on the support plate 6. The upper surface of the support plate 6 is provided with a support rod 601, and the support rod 601 is four in number, and the four support rods 601 are distributed in a ring array, and the base 8 of the support rod 601 is provided on the upper surface of the base 8, and the four corners of the lower surface of the base 8 are provided with support feet 9, and the fixing assembly 10 is composed of a mounting plate 1001, a second connecting rod 1002, a second fixing clamping plate 1003, an electric push rod 1004, a third connecting rod 1005 and a third fixing clamping plate 1006. The top of the electric push rod 1004 is provided with a mounting plate 1001, and the lower surface of the mounting plate 1001 is provided with a second connecting rod 1002 and a third connecting rod 1005. The connecting rod 1005 is connected to the second fixed clamping plate 1003 and the third fixed clamping plate 1006 respectively. The bottom end of the electric push rod 1004 is installed on the upper surface of the rotating plate 5. The film capacitor positioning cylinder 403 is provided on the film capacitor positioning assembly 4. A positioning groove 407 is provided at the top center of the film capacitor positioning cylinder 403. A film capacitor body 406 is provided in the positioning groove 407. The groove wall of the positioning groove 407 is connected to the first fixed clamping plate 408 through a spring 404. The positioning groove 407, the spring 404 and the first fixed clamping plate 408 are arranged in a coordinated manner. The film capacitor body 406 is installed in the positioning groove 4 07, the first fixing clamp 408 fixes and clamps the film capacitor body 406, further enhancing the stability of the connection between the pin body 405 and the film capacitor body 406 during the welding process, the top side of the film capacitor positioning cylinder 403 is connected to the pin placement slot 401 through the first connecting rod 402, the inner side of the pin placement slot 401 is provided with the pin body 405, and the bottom center of the film capacitor positioning cylinder 403 is installed with a threaded column 409, the threaded column 409 is installed in the threaded hole 502, and the outer wall of the threaded column 409 and the hole wall of the threaded hole 502 are connected with a gap.

[0032] When in use, the staff places the pin body 405 on the inner side of the pin placement slot 401, and one end of the pin body 405 is located at the welding point on the film capacitor body 406. The staff starts the utility model, and the extension of the electric push rod 1004 will drive the second fixed clamping plate 1003 and the third fixed clamping plate 1006 to move in the Y-axis direction. The extension of the electric push rod 1004 drives the second fixed clamping plate 1003 and the third fixed clamping plate 1006 to limit and fix the pin body 405, thereby avoiding the occurrence of large deviations in the welding points between the pin body 405 and the film capacitor body 406, thereby improving the pin body The quality of welding between the pin body 405 and the film capacitor body 406 is improved. The extension of the hydraulic telescopic rod 3 drives the laser welding machine 2 to move in the Y-axis direction. The extension of the hydraulic telescopic rod 3 drives the laser welding machine 2 to weld the welding point between the pin body 405 and the film capacitor body 406. When the welding between the pin body 405 and the film capacitor body 406 on a film capacitor positioning component 4 is completed, the stepper motor 7 starts to drive the rotating plate 5 to rotate. The rotation of the rotating plate 5 drives the four film capacitor positioning components 4 to rotate, and moves another film capacitor positioning component 4 to the bottom of the laser welding machine 2. The laser The welding machine 2 welds the welding point between the pin body 405 and the film capacitor body 406 on the film capacitor positioning component 4, so that when the laser welding machine 2 performs laser welding on the pin body 405 and the film capacitor body 406 on one film capacitor positioning component 4, the staff can disassemble the welded film capacitor body 406 on another film capacitor positioning component 4 and place the new pin body 405 and film capacitor body 406 to be welded, so that when the pin body 405 and the film capacitor body 406 are laser welded, the staff does not need to wait for the pin body 405 and the film capacitor body 406 to be welded. After the welding between the film capacitor bodies 406 is completed, the welded film capacitor bodies 406 are disassembled and new pin bodies 405 and film capacitor bodies 406 to be welded are placed, thereby improving the welding efficiency. When the staff needs to perform welding operations on pin bodies 405 and film capacitor bodies 406 of different models, the staff disassembles and assembles the film capacitor positioning assembly 4 and replaces the film capacitor positioning assembly 4 of different models. Therefore, the utility model can perform welding operations on film capacitor bodies 406 and pin bodies 405 of different models by replacing the film capacitor positioning assemblies 4 of different models.

[0033] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes 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 apparatus.

[0034] Although 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 film capacitor positioning welding device, characterized in that: The invention comprises a rotating plate (5): a film capacitor positioning component (4) and a fixing component (10) are installed on the upper surface of the rotating plate (5), and the fixing component (10) is located on one side of the film capacitor positioning component (4); a rotating shaft (12) is installed at the center position of the lower surface of the rotating plate (5); the bottom end of the rotating shaft (12) passes through the bearing at the center position of the surface of the support plate (6) and is installed in the bearing seat (11); and a driven gear (13) is installed below the outer wall of the rotating shaft (12); the driven gear (13) is installed at the bottom of the outer wall of the rotating shaft (12); The gear (13) is meshedly connected with the driving gear (14), and the driving gear (14) is mounted on the output shaft of the stepper motor (7). The bearing seat (11) and the stepper motor (7) are both mounted on the upper surface of the base (8), and the bearing seat (11) is located on one side of the stepper motor (7). A hydraulic telescopic rod (3) is mounted on one side of the upper surface of the base (8), a top plate (1) is mounted on the top of the hydraulic telescopic rod (3), and a laser welding machine (2) is mounted on one side of the lower surface of the top plate (1).

2. The film capacitor positioning welding device according to claim 1, characterized in that: There are four of each of the film capacitor positioning components (4) and the fixing components (10), and the four film capacitor positioning components (4) and the four fixing components (10) are distributed in a ring-shaped array.

3. The film capacitor positioning welding device according to claim 1, characterized in that: Arc-shaped sliders (501) are installed on both sides of the lower surface of the rotating plate (5), the bottom end of the arc-shaped slider (501) is installed on the hollow annular slide rail (602), and the arc-shaped slider (501) and the hollow annular slide rail (602) are slidably connected, the hollow annular slide rail (602) is installed on the upper surface of the support plate (6), and the lower surface of the support plate (6) is installed with support rods (601), there are four support rods (601), the four support rods (601) are distributed in a ring array, and the bases (8) of the support rods (601) are installed on the upper surface of the base (8).

4. The film capacitor positioning welding device according to claim 1, characterized in that: Support feet (9) are installed at the four corners of the lower surface of the base (8).

5. The film capacitor positioning welding device according to claim 1, characterized in that: The fixing assembly (10) is composed of a mounting plate (1001), a second connecting rod (1002), a second fixing clamping plate (1003), an electric push rod (1004), a third connecting rod (1005) and a third fixing clamping plate (1006); the mounting plate (1001) is mounted on the top of the electric push rod (1004); the lower surface of the mounting plate (1001) is connected to the second fixing clamping plate (1003) and the third fixing clamping plate (1006) via the second connecting rod (1002) and the third connecting rod (1005), respectively; and the bottom end of the electric push rod (1004) is mounted on the upper surface of the rotating plate (5).

6. The film capacitor positioning welding device according to claim 1, characterized in that: The film capacitor positioning assembly (4) is provided with a film capacitor positioning cylinder (403), a positioning groove (407) is provided at the center of the top end of the film capacitor positioning cylinder (403), a film capacitor body (406) is provided in the positioning groove (407), a groove wall of the positioning groove (407) is connected to a first fixed clamping plate (408) via a spring (404), a top side of the film capacitor positioning cylinder (403) is connected to a pin placement groove body (401) via a first connecting rod (402), and a pin body (405) is provided on the inner side of the pin placement groove body (401).

7. The film capacitor positioning welding device according to claim 6, characterized in that: A threaded column (409) is installed at the center of the bottom end of the film capacitor positioning cylinder (403); the threaded column (409) is installed in the threaded hole (502), and a gap is formed between the outer wall of the threaded column (409) and the hole wall of the threaded hole (502).

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