Capacitor lead welding device with automatic lead feeding function

Abstract

The invention provides a capacitor lead welding device with an automatic lead feeding function, and relates to the technical field of capacitor lead processing, the capacitor lead welding device comprises a device main body component, an auxiliary driving mechanism is mounted below the device main body component, and the auxiliary driving mechanism can perform driving feeding on a lead. The auxiliary driving mechanism can drive the rubber protruding plate to ascend and descend, the rubber protruding plate is matched with the limiting cylinder to be used for conveying and feeding leads and can also drive the lifting plate to ascend and descend, and ascending and descending of the lifting plate can provide power to drive the mounting metal plate to synchronously move towards the middle or expand towards the outer side. The movable seat can be switched according to the cylindrical shape and the rectangular shape of the capacitor by sliding the handle, so that the cylindrical or rectangular capacitor can be positioned and fixed, the structure of the device has relatively high linkage, and meanwhile, the multifunctionality of the device is improved; and not only can the lead be positioned, but also capacitors with different shapes can be positioned.

Description

Technical Field

[0001] The invention relates to the technical field of capacitor lead processing, in particular to a capacitor lead welding device with an automatic lead feeding function. Background Art

[0002] Capacitors are devices that store electric charge and are widely used in circuit devices such as circuit boards. During the capacitor production process, two positive and negative lead pins need to be welded. The leads serve as a conductive connection and can electrically connect the capacitor and the circuit board to store the charge on the circuit board.

[0003] At present, in the prior art, before the lead wires are welded to the capacitors, they need to be pre-cut according to the length requirements and then welded to the capacitors, which results in poor feeding and positioning of the lead wires, thereby affecting the production efficiency of the capacitors. The shapes of the capacitors are divided into cylindrical and rectangular shapes, and it is not easy to position capacitors of different shapes during the positioning process of the capacitors. Therefore, the present invention proposes a capacitor lead welding device with an automatic lead feeding function. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings in the prior art that it is difficult to position capacitors of different shapes when processing cylindrical and rectangular capacitors, and the leads are pre-cut according to length requirements and then welded and connected to the capacitors, resulting in poor feeding and positioning effects of the leads.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a capacitor lead welding device with automatic lead feeding function, comprising a device main body component, an auxiliary driving mechanism is installed below the device main body component, the auxiliary driving mechanism can drive the lead to feed, a cutting and splicing mechanism is installed on one side of the auxiliary driving mechanism, the cutting and splicing mechanism can cut the lead and weld it at the same time, and switching clamping mechanisms are also installed on both sides of the auxiliary driving mechanism, and the switching clamping mechanisms can be switched according to the shape of the capacitor, so as to facilitate the positioning of the capacitor; the device main body component comprises a mounting seat, the mounting seat has mounting base plates fixedly connected on both sides of the lower surface, threaded holes are arranged at the edges of both sides of the mounting base plate, a processing chamber is arranged in the middle of the mounting seat, and mounting holes are arranged on both sides of the mounting seat; the auxiliary driving mechanism comprises an assembly plate, two transmission sheet metals are rotatably installed on one side of the assembly plate, and a tilting rod is rotatably installed on one side of the two transmission sheet metals, and the two tilting rods are located on one side of the mounting seat, and a connecting bracket is fixedly connected on the other side of the assembly plate.

[0006] In at least some embodiments, a side fixing rod is fixedly connected to the edge of the upper surface of the mounting seat, one end of the two side fixing rods is fixedly connected to a No. 1 connecting plate, one side of the No. 1 connecting plate is fixedly connected to two limiting cylinders, and a sliding groove is provided on the inner surface of the two side fixing rods.

[0007] In at least some embodiments, an electric push rod is fixedly connected to one side of the assembly plate, and the electric push rod is fixedly connected to the lower surface of the mounting seat. A connecting shaft is fixedly connected between the two tilting rods, and a center seat is rotatably mounted on the connecting shaft. The center seat is fixedly connected to one side surface of the mounting seat, and a No. 2 limiting groove is provided at the upper end of the two tilting rods, and a top block is installed in the No. 2 limiting groove. Two rubber convex plates are fixedly connected to one side of the top block, and the rubber convex plates are located in the limiting cylinder.

[0008] In at least some embodiments, an extension plate is fixedly connected to the other side of the top block, a telescopic rod is fixedly connected to the lower surface of the extension plate, the telescopic rod is fixedly connected to the upper surface of the mounting seat, a No. 1 tooth plate is fixedly connected to one side of the interior of the connecting bracket, a driving gear is meshedly connected to one side of the No. 1 tooth plate, a driving screw is fixedly connected to the center of the upper surface of the driving gear, the driving screw is rotatably mounted on the mounting seat, the driving screw is meshedly connected to a lifting plate, the upper end of the driving screw is fixedly connected to a support plate, and the support plate is located in the processing chamber.

[0009] In at least some embodiments, the switching clamping mechanism includes two mounting sheet metals, both of which are slidably installed in the mounting holes, and transmission rods are rotatably installed on both sides of the two mounting sheet metals. The other end of each transmission rod is rotatably installed on the lifting plate, and a No. 1 limit groove is provided in the middle of the mounting sheet metal, and a loading plate is provided in the No. 1 limit groove, and a center axis is fixedly connected on both sides of the loading plate.

[0010] In at least some embodiments, the central axis is rotatably installed on the inner wall of the No. 1 limit groove, the lower surface of the loading plate is fixedly connected to a No. 2 connecting plate, the lower surface of the No. 2 connecting plate is fixedly connected to a rectangular clamping plate, one side of the upper surface of the loading plate is fixedly connected to a connecting seat, two No. 1 connecting sheet metals are rotatably installed in the connecting seat, and one side of the two No. 1 connecting sheet metals are fixedly connected to an arc clamping plate.

[0011] In at least some embodiments, a connecting rod is rotatably mounted on one side of the connecting seat, a movable seat is rotatably mounted on one end of the connecting rod, a handle is fixedly connected to one side of the movable seat, an upright slide rail is mounted on the outer side of the movable seat, mounting grooves are provided on both side surfaces of the movable seat, and a side limit plate is rotatably mounted in each mounting groove.

[0012] In at least some embodiments, the cutting and splicing mechanism includes a sliding seat, a cutter is fixedly connected to the lower surface of the sliding seat, a driving motor is installed in the sliding seat, a transmission screw is fixedly connected to the output shaft of the driving motor, a bevel gear is installed at the lower end of the transmission screw, a rotating shaft is installed on the transmission screw through the bevel gear, and the rotating shaft is located above the sliding seat.

[0013] In at least some embodiments, the fixed sleeves on both sides of the rotating shaft are provided with driving gears, the rotating shaft is rotatably installed on the upper surface of the sliding seat, a No. 2 tooth plate is meshedly connected below the driving gear, the No. 2 tooth plate is fixedly connected to the upper surface of the side fixed rod, a lifting sleeve is meshedly connected on the transmission screw, a pushing rod is rotatably installed on one side of the lifting sleeve, a No. 2 connecting sheet metal is rotatably installed on the lower end of the pushing rod, mounting brackets are fixedly connected on both sides of the No. 2 connecting sheet metal, both mounting brackets are rotatably installed inside and below the sliding seat, and a welding head is fixedly connected to the lower end of each mounting bracket.

[0014] Compared with the prior art, the advantages and positive effects of the present invention are: 1. In the present invention, the electric push rod drives the rubber convex plate to move, and the rubber convex plate can drive the lead wire to be located in the limiting cylinder for loading operation, which can not only position the lead wire but also feed the lead wire. In combination with the cutting and splicing mechanism, the cutter can be driven to cut the lead wire and the welding head can be linked to weld and connect the lead wire and the capacitor, thereby saving manual labor and improving the work efficiency of lead wire processing.

[0015] 2. In the present invention, the auxiliary driving mechanism can drive the rubber convex plate to rise and fall, and the rubber convex plate cooperates with the limiting cylinder to be used for conveying and feeding the lead wire, and can also drive the lifting plate to rise and fall. The lifting of the lifting plate can provide power to drive the installation sheet metal to move synchronously toward the middle or unfold toward the outside, and the movable seat can be switched according to the cylindrical and rectangular shapes of the capacitor by sliding the handle, so as to realize the positioning and fixation of the cylindrical or rectangular capacitor, so that the structure of the device has strong linkage and improves the versatility of the device, which can not only position the lead wire but also position capacitors of different shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention provides a schematic three-dimensional diagram of the overall structure of one side for processing an organic thin film capacitor; Figure 2 The present invention proposes a schematic three-dimensional diagram of the overall structure of the other side for processing an organic thin film capacitor; Figure 3 The present invention provides a schematic three-dimensional diagram of the overall structure of the main components of an apparatus for processing organic thin film capacitors; Figure 4The present invention provides a schematic three-dimensional diagram of the combined structure of a main component and an auxiliary driving mechanism of an organic film capacitor processing device; Figure 5 The present invention provides a schematic three-dimensional diagram of the partial structure of an auxiliary driving mechanism for processing an organic thin film capacitor; Figure 6 A schematic three-dimensional diagram of another part of the structure of an auxiliary driving mechanism for processing an organic thin film capacitor proposed by the present invention; Figure 7 The present invention provides a schematic three-dimensional diagram of the combined structure of an auxiliary driving mechanism and a switching clamping mechanism for processing an organic thin film capacitor; Figure 8 The present invention provides a schematic three-dimensional diagram of the overall structure of a switching clamping mechanism for processing an organic thin film capacitor; Fig. 9 The present invention provides a schematic three-dimensional diagram of a cutting and splicing mechanism and a combined structure of a main body component of an organic film capacitor. Fig.10 The present invention provides a three-dimensional diagram showing the overall structure of a cutting and splicing mechanism for processing organic film capacitors.

[0017] Legend: 100, device main body; 200, switching clamping mechanism; 300, auxiliary drive mechanism; 400, cutting and splicing mechanism; 101, mounting base; 102, threaded hole; 103, mounting seat; 104, mounting hole; 105, processing chamber; 106, side fixing rod; 107, No. 1 connecting plate; 108, limiting cylinder; 109, slide groove; 201, transmission rod; 202, mounting sheet metal; 203, No. 1 limiting groove; 204, center axis; 205, loading plate; 206, No. 2 connecting plate; 207, rectangular clamping plate; 208, connecting seat; 209, No. 1 connecting sheet metal; 210, arc clamping plate; 211, connecting rod; 212, movable seat; 213, upright slide rail; 214, handle; 215, mounting groove; 216, Side limit plate; 301, tilting rod; 302, connecting shaft; 303, center seat; 304, transmission sheet metal; 305, assembly plate; 306, electric push rod; 307, connecting bracket; 308, No. 1 tooth plate; 309, driving gear; 310, driving screw; 311, lifting plate; 312, supporting plate; 313, telescopic rod; 314, top block; 315, rubber convex plate; 316, extension plate; 317, No. 2 limit groove; 401, sliding seat; 402, transmission screw; 403, lifting sleeve; 404, pushing rod; 405, No. 2 tooth plate; 406, bevel gear; 407, rotating shaft; 408, driving gear; 409, cutting knife; 410, driving motor; 411, No. 2 connecting sheet metal; 412, mounting bracket; 413, welding head. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0020] Embodiment, according to Figure 1-Figure 10 ,like Figure 1-Figure 2 As shown, a capacitor lead welding device with an automatic lead feeding function provided by an embodiment of the present invention includes a device main body component 100, an auxiliary driving mechanism 300 is installed below the device main body component 100, and the auxiliary driving mechanism 300 can drive the lead to be fed, and a cutting and splicing mechanism 400 is installed on one side of the auxiliary driving mechanism 300, and the cutting and splicing mechanism 400 can cut the lead and weld it at the same time, and switching clamping mechanisms 200 are also installed on both sides of the auxiliary driving mechanism 300, and the switching clamping mechanism 200 can be switched according to the shape of the capacitor, so as to facilitate the positioning of the capacitor; as shown in FIG. Figure 3 As shown, the main body component 100 of the device includes a mounting seat 103, and the mounting base 101 is fixedly connected to the two sides of the lower surface of the mounting seat 103. The edges of the two sides of the mounting base 101 are provided with threaded holes 102, and the threaded holes 102 are convenient for fixing the device with bolts. A processing chamber 105 is provided in the middle of the mounting seat 103, and mounting holes 104 are provided on both sides of the mounting seat 103; Figure 6 As shown, the auxiliary driving mechanism 300 includes an assembly plate 305, and two transmission sheet metals 304 are rotatably installed on one side of the assembly plate 305. A tilting rod 301 is rotatably installed on one side of the two transmission sheet metals 304. The two tilting rods 301 are located on one side of the mounting seat 103. A connecting bracket 307 is fixedly connected to the other side of the assembly plate 305. The assembly plate 305 plays a role in connecting the transmission. When the connecting bracket 307 and the assembly plate 305 move, the transmission sheet metal 304 can be driven to move synchronously.

[0021] like Figure 3As shown, a side fixing rod 106 is fixedly connected to the edge of the upper surface of the mounting seat 103, one end of the two side fixing rods 106 is fixedly connected to a No. 1 connecting plate 107, one side of the No. 1 connecting plate 107 is fixedly connected to two limiting cylinders 108, and a sliding groove 109 is provided on the inner surface of the two side fixing rods 106. When one end of the lead wire is inserted into the limiting cylinder 108, the limiting cylinder 108 can limit one side of the lead wire.

[0022] like Figure 4-Figure 6 As shown, one side of the assembly plate 305 is fixedly connected to an electric push rod 306, and the electric push rod 306 is fixedly connected to the lower surface of the mounting seat 103. A connecting shaft 302 is fixedly connected between the two tilting rods 301. A center seat 303 is rotatably installed on the connecting shaft 302, and the center seat 303 is fixedly connected to the surface of one side of the mounting seat 103. The electric push rod 306 drives the assembly plate 305 to move, thereby supporting the tilting rod 301 to rotate around the connecting shaft 302. The upper ends of the two tilting rods 301 are both provided with a second limiting groove 317, and a top block 314 is installed in the second limiting groove 317. Two rubber convex plates 315 are fixedly connected to one side of the top block 314, and the rubber convex plate 315 is located in the limiting cylinder 108. The tilting rod 301 drives the cushion block 314 to tilt up, and the rubber convex plate 315 can push the lead wire to be transported in the limiting cylinder 108. The other side of the top block 314 is fixed An extension plate 316 is connected, and a telescopic rod 313 is fixedly connected to the lower surface of the extension plate 316. The telescopic rod 313 is fixedly connected to the upper surface of the mounting seat 103. The telescopic rod 313 limits the movement of the top block 314 to make it rise and fall vertically. A No. 1 tooth plate 308 is fixedly connected to one side of the interior of the connecting bracket 307, and a driving gear 309 is meshedly connected to one side of the No. 1 tooth plate 308. A driving screw 310 is fixedly connected to the center of the upper surface of the driving gear 309. The driving screw 310 is rotatably mounted on the mounting seat 103. The driving screw 310 is meshedly connected to the lifting plate 311. The upper end of the driving screw 310 is fixedly connected to a supporting plate 312, and the supporting plate 312 is located in the processing chamber 105. The connecting bracket 307 will also move with the assembly plate 305, and the connecting bracket 307 drives the driving gear 309 and the driving screw 310 to rotate through the No. 1 tooth plate 308.

[0023] like Figure 8-Figure 9As shown, the switching clamping mechanism 200 includes two mounting sheet metals 202, and the two mounting sheet metals 202 are both slidably installed in the mounting holes 104. Transmission rods 201 are rotatably installed on both sides of the two mounting sheet metals 202, and the other end of each transmission rod 201 is rotatably installed on the lifting plate 311. When the lifting plate 311 moves up and down along the driving screw rod 310, the two mounting sheet metals 202 can be driven to be located in the mounting hole 104, and move inward or unfold outward synchronously. A No. 1 limiting groove 203 is provided in the middle of the mounting sheet metal 202, and a loading plate 205 is provided in the No. 1 limiting groove 203. The loading plate 205 is fixedly connected with a central shaft 204 on both sides, and the central shaft 204 is rotatably installed on the inner wall of the No. 1 limiting groove 203. The lower surface of the loading plate 205 is fixedly connected with a No. 2 connecting plate 206, and the lower surface of the No. 2 connecting plate 206 is fixedly connected with a rectangular clamping plate 207. A connection seat 208 is fixedly connected to one side of the upper surface, and two No. 1 connection sheet metals 209 are rotatably installed in the connection seat 208. One side of the two No. 1 connection sheet metals 209 is fixedly connected to an arc-shaped clamping plate 210. A connecting rod 211 is rotatably installed on one side of the connection seat 208. A movable seat 212 is rotatably installed on one end of the connecting rod 211. A handle 214 is fixedly connected to one side of the movable seat 212. An upright slide rail 213 is installed on the outer side of the movable seat 212. Mounting grooves 215 are arranged on both side surfaces of the movable seat 212. A side limiting plate 216 is rotatably installed in each of the mounting grooves 215. The movable seat 212 is lifted and lowered along the upright slide rail 213 by holding the handle 214. The movable seat 212 can drive the loading plate 205 to rotate around the central axis 204 through the connecting rod 211 to limit the rectangular clamping plate 207 and the arc-shaped clamping plate 210, so that it is suitable for processing rectangular and cylindrical capacitors.

[0024] like Figure 9-10As shown, the cutting and splicing mechanism 400 includes a sliding seat 401, a cutter 409 is fixedly connected to the lower surface of the sliding seat 401, a driving motor 410 is installed in the sliding seat 401, and the output shaft of the driving motor 410 is fixedly connected to a transmission screw 402, a bevel gear 406 is installed at the lower end of the transmission screw 402, and a rotating shaft 407 is installed on the transmission screw 402 through the bevel gear 406. The rotating shaft 407 is located above the sliding seat 401, and driving gears 408 are fixedly sleeved on both sides of the rotating shaft 407. The rotating shaft 407 is rotatably installed on the upper surface of the sliding seat 401, and the driving motor 410 drives the transmission screw 402 to rotate, and the transmission screw 402 drives the rotating shaft 407 to rotate through the bevel gear 406, and the rotating shaft 407 can drive the sliding seat 401 along the slide groove through the driving gear 408. 109 moves, and the cutter 409 on the lower surface of the sliding seat 401 can cut the lead wire. A second tooth plate 405 is meshedly connected below the driving gear 408, and the second tooth plate 405 is fixedly connected to the upper surface of the side fixed rod 106. A lifting sleeve 403 is meshedly connected on the transmission screw 402, and a pushing rod 404 is rotatably installed on one side of the lifting sleeve 403. A second connecting sheet metal 411 is rotatably installed on the lower end of the pushing rod 404, and mounting brackets 412 are fixedly connected on both sides of the second connecting sheet metal 411. The two mounting brackets 412 are both rotatably installed at the lower part of the sliding seat 401, and a welding head 413 is fixedly connected to the lower end of each mounting bracket 412. The lifting sleeve 403 rises and falls along the transmission screw 402, and drives the mounting bracket 412 to rotate through the pushing rod 404, so that the lead wire is welded to the capacitor.

[0025] The working principle of the present invention is as follows: according to the shape of the capacitor, the handle 214 is pulled to drive the movable seat 212 to rise and fall along the vertical slide rail 213, and then the connecting rod 211 is driven to drive the loading plate 205 to rotate around the central axis 204. When the movable seat 212 moves to the top of the vertical slide rail 213, the side limit plates 216 on both sides of the movable seat 212 are unfolded to realize the positioning of the movable seat 212. The rectangular clamping plate 207 and the arc clamping plate 210 can be switched between by rotating the loading plate 205. When facing the cylindrical and When a rectangular capacitor is assembled, it can be clamped and fixed, and then the lead wire is inserted into the limiting cylinder 108 and the electric push rod 306 is started to push the assembly plate 305 to move. On the one hand, the assembly plate 305 cooperates with the transmission sheet metal 304 to drive the tilting rod 301 to rotate around the center seat 303, and then drives the top block 314 to rise and fall along the telescopic rod 313, and the rubber convex plate 315 of the top block 314 will extend into the limiting cylinder 108 to realize the uniform feeding of the lead wire. On the other hand, the assembly plate 305 can also drive the connecting bracket 307 to move horizontally, and the connecting bracket 307 can be connected to the connecting bracket 307. The bracket 307 is meshed with the driving gear 309 through the No. 1 tooth plate 308 on the inner side thereof, thereby driving the driving screw 310 to rotate, and then the driving screw 310 drives the lifting plate 311 to rise and fall, and the lifting plate 311 is connected to the mounting sheet metal 202 through the transmission rod 201, and the lifting and falling of the lifting plate 311 drives the two mounting sheet metals 202 to shrink inwardly or expand outwardly synchronously, and when the lead wire contacts the capacitor, the driving motor 410 is started to drive the transmission screw 402 to rotate, and the transmission screw 402 is driven by the bevel gear 406. The linkage rotating shaft 407 rotates, and the driving gears 408 at both ends of the rotating shaft 407 are meshed and connected to the second gear plate 405, thereby driving the sliding seat 401 to move inward along the slide groove 109, and the lead can be cut by the cutter 409 on the lower surface of the sliding seat 401. At the same time, the rotation of the transmission screw rod 402 can drive the lifting sleeve 403 to rise and fall, and then the transmission of the push rod 404 can drive the installation bracket 412 to rotate, and the welding head 413 on the lower surface of the installation bracket 412 moves to the connection between the lead and the capacitor for welding and fixing.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A capacitor lead welding device with an automatic lead feeding function, comprising a device main body component (100), characterized in that: An auxiliary driving mechanism (300) is installed below the main body component (100) of the device, and the auxiliary driving mechanism (300) can drive the lead wire to be loaded; a cutting and splicing mechanism (400) is installed on one side of the auxiliary driving mechanism (300); the cutting and splicing mechanism (400) can cut the lead wire and perform welding processing on it at the same time; switching clamping mechanisms (200) are also installed on both sides of the auxiliary driving mechanism (300); the switching clamping mechanisms (200) can be switched according to the shape of the capacitor, thereby facilitating the positioning of the capacitor; The device main body component (100) comprises a mounting seat (103), a mounting base plate (101) is fixedly connected to both sides of the lower surface of the mounting seat (103), threaded holes (102) are arranged at both side edges of the mounting base plate (101), a processing chamber (105) is arranged in the middle of the mounting seat (103), and mounting holes (104) are arranged on both sides of the mounting seat (103); The auxiliary drive mechanism (300) comprises an assembly plate (305), one side of the assembly plate (305) being rotatably mounted with two transmission sheet metals (304), one side of the two transmission sheet metals (304) being rotatably mounted with a tilting rod (301), the two tilting rods (301) being located on one side of the mounting seat (103), and the other side of the assembly plate (305) being fixedly connected with a connecting bracket (307).

2. A capacitor lead welding device with automatic lead feeding function according to claim 1, characterized in that: A side fixing rod (106) is fixedly connected to the edge of the upper surface of the mounting seat (103); one end of the two side fixing rods (106) is fixedly connected to a No. 1 connecting plate (107); one side of the No. 1 connecting plate (107) is fixedly connected to two limiting cylinders (108); and a sliding groove (109) is provided on the inner side surfaces of the two side fixing rods (106).

3. The capacitor lead welding device with automatic lead feeding function according to claim 1, characterized in that: An electric push rod (306) is fixedly connected to one side of the assembly plate (305), and the electric push rod (306) is fixedly connected to the lower surface of the mounting seat (103). A connecting shaft (302) is fixedly connected between the two tilting rods (301), and a center seat (303) is rotatably mounted on the connecting shaft (302), and the center seat (303) is fixedly connected to the surface of one side of the mounting seat (103). A second limiting groove (317) is provided at the upper end of the two tilting rods (301), and a top block (314) is installed in the second limiting groove (317). Two rubber convex plates (315) are fixedly connected to one side of the top block (314), and the rubber convex plates (315) are located in the limiting cylinder (108).

4. A capacitor lead welding device with automatic lead feeding function according to claim 3, characterized in that: The other side of the top block (314) is fixedly connected to an extension plate (316), the lower surface of the extension plate (316) is fixedly connected to a telescopic rod (313), the telescopic rod (313) is fixedly connected to the upper surface of the mounting seat (103), the inner side of the connecting bracket (307) is fixedly connected to a first tooth plate (308), one side of the first tooth plate (308) is meshingly connected to a driving gear (309), the center of the upper surface of the driving gear (309) is fixedly connected to a driving screw (310), the driving screw (310) is rotatably mounted on the mounting seat (103), the driving screw (310) is meshingly connected to a lifting plate (311), the upper end of the driving screw (310) is fixedly connected to a support plate (312), and the support plate (312) is located in the processing chamber (105).

5. The capacitor lead welding device with automatic lead feeding function according to claim 1, characterized in that: The switching clamping mechanism (200) comprises two mounting sheet metals (202), the two mounting sheet metals (202) are both slidably mounted in the mounting holes (104), transmission rods (201) are rotatably mounted on both sides of the two mounting sheet metals (202), the other end of each transmission rod (201) is rotatably mounted on the lifting plate (311), a first limiting groove (203) is provided in the middle of the mounting sheet metal (202), a loading plate (205) is provided in the first limiting groove (203), and a central shaft (204) is fixedly connected to both sides of the loading plate (205).

6. A capacitor lead welding device with automatic lead feeding function according to claim 5, characterized in that: The central shaft (204) is rotatably mounted on the inner wall of the No. 1 limiting groove (203); the lower surface of the loading plate (205) is fixedly connected to the No. 2 connecting plate (206); the lower surface of the No. 2 connecting plate (206) is fixedly connected to the rectangular clamping plate (207); one side of the upper surface of the loading plate (205) is fixedly connected to a connecting seat (208); two No. 1 connecting sheet metals (209) are rotatably mounted in the connecting seat (208); one side of the two No. 1 connecting sheet metals (209) is fixedly connected to an arc clamping plate (210).

7. A capacitor lead welding device with automatic lead feeding function according to claim 6, characterized in that: A connecting rod (211) is rotatably mounted on one side of the connecting seat (208), a movable seat (212) is rotatably mounted on one end of the connecting rod (211), a handle (214) is fixedly connected to one side of the movable seat (212), an upright slide rail (213) is mounted on the outer side of the movable seat (212), mounting grooves (215) are provided on both side surfaces of the movable seat (212), and a side limit plate (216) is rotatably mounted in each mounting groove (215).

8. The capacitor lead welding device with automatic lead feeding function according to claim 1, characterized in that: The cutting and splicing mechanism (400) comprises a sliding seat (401), a cutter (409) being fixedly connected to the lower surface of the sliding seat (401), a driving motor (410) being installed in the sliding seat (401), a transmission screw (402) being fixedly connected to the output shaft of the driving motor (410), a bevel gear (406) being installed at the lower end of the transmission screw (402), a rotating shaft (407) being installed on the transmission screw (402) via the bevel gear (406), and the rotating shaft (407) being located above the sliding seat (401).

9. A capacitor lead welding device with automatic lead feeding function according to claim 8, characterized in that: The fixed sleeves on both sides of the rotating shaft (407) are provided with driving gears (408); the rotating shaft (407) is rotatably mounted on the upper surface of the sliding seat (401); a second tooth plate (405) is meshedly connected below the driving gear (408); the second tooth plate (405) is fixedly connected to the upper surface of the side fixed rod (106); a lifting sleeve (403) is meshedly connected on the transmission screw (402); a push rod (404) is rotatably mounted on one side of the lifting sleeve (403); a second connecting sheet metal (411) is rotatably mounted at the lower end of the push rod (404); mounting brackets (412) are fixedly connected to both sides of the second connecting sheet metal (411); the two mounting brackets (412) are both rotatably mounted inside and below the sliding seat (401); and a welding head (413) is fixedly connected to the lower end of each mounting bracket (412).

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