Capacitor pin welding apparatus

Abstract

The utility model belongs to capacitor technical field, concretely relates to a capacitor pin welding set, including the first welding head, the second welding head of slidable setting, the first welding head, the second welding head respectively slide and be equipped with first wire feeding clamp jaw, second wire feeding clamp jaw, and first wire feeding clamp jaw, second wire feeding clamp jaw and capacitor body adjacent one end respectively protrude from the first welding head, second welding head setting, first wire feeding clamp jaw, second wire feeding clamp jaw top respectively be equipped with adjusting mechanism, adjusting mechanism include respectively fixedly be equipped with the limiting block on two wire feeding clamp jaws, and be fixedly set up opposite frame and respectively located two wire feeding clamp jaws top's fixed frame, the fixed frame is equipped with the telescopic adjusting lever towards the limiting block, the fixed frame and wire feeding clamp jaw main part are connected with the tension spring of being stretched. Through the setting of above -mentioned component, avoid the problem such as local melting, deformation of lead in advance heat, guarantee the accurate delivery and positioning of lead.

Description

Technical Field

[0001] This utility model belongs to the field of capacitor technology, specifically relating to a capacitor lead welding device. Background Technology

[0002] In the electronics manufacturing industry, capacitors, as an important energy storage component, are widely used in various electronic devices. The performance stability of a capacitor is closely related to the connection quality of its various components. Among them, the soldering quality between the capacitor body and the leads is one of the key factors affecting the electrical performance and service life of the capacitor.

[0003] To achieve efficient and reliable welding of capacitor bodies and leads, capacitor lead welding machines have emerged. In existing technology, the wire feeding jaws are directly mounted on the welding head. The lead wire is directly fed into the jaws with the part to be welded facing the welding head. After being clamped by the jaws, the lead wire abuts against the welding head. By driving the welding head towards the capacitor body, the jaws are simultaneously moved, bringing the lead wire into contact with the welding points on both sides of the capacitor body, thus completing the welding. In this structure, because the welding head needs continuous heating during operation to achieve welding, its heat is easily conducted to the lead wire. This causes the lead wire held by the jaws to be preheated by the radiant heat of the welding head before reaching the preset welding position. Preheating of the lead wire can easily lead to localized melting and deformation, causing the jaws and lead wire to stick together, affecting the accurate feeding and positioning of the lead wire. It can also cause deviations in the effective length of the lead wire during welding, resulting in weak welds and other defects, seriously affecting the electrical performance and product consistency of the capacitor. Utility Model Content

[0004] The purpose of this invention is to provide a capacitor lead welding device, which aims to solve the technical problem in the prior art where the leads of capacitor lead welding devices are prone to local melting due to premature heating, resulting in an increase in defective products.

[0005] To achieve the above objectives, this utility model provides a capacitor lead welding device, including a welding mechanism. The welding mechanism includes a first welding head and a second welding head that are slidably disposed. A capacitor body is fixed between the first welding head and the second welding head. A wire feeding mechanism is provided above the welding mechanism. The wire feeding mechanism includes a first wire feeding claw and a second wire feeding claw that are slidably disposed on the first welding head and the second welding head, respectively. The ends of the first wire feeding claw and the second wire feeding claw adjacent to the capacitor body protrude from the first welding head and the second welding head, respectively. An adjustment mechanism is provided above the first wire feeding claw and the second wire feeding claw. The adjustment mechanism includes a limiting block that is fixedly disposed on the two wire feeding claws, and a fixed frame that is fixed relative to the frame and located above the two wire feeding claws. The fixed frame is provided with a retractable adjustment rod that faces the limiting block. The adjustment rod is correspondingly disposed with the limiting block and there is a gap between the adjustment rod and the limiting block. A tension spring is connected to the fixed frame and the wire feeding claw body, and the tension spring keeps the wire feeding claw protruding from the corresponding welding head.

[0006] Preferably, the adjustment mechanism further includes a slide rail and a slide track. The slide rail is respectively disposed on the side of the two welding heads that contact the corresponding wire feeding jaws, and the slide track is respectively disposed on the side of the two wire feeding jaws that contact the welding heads in cooperation with the corresponding slide rail.

[0007] Preferably, a stop is provided at one end of the slide rail adjacent to the capacitor body. The stop restricts the range of motion of the corresponding wire feeding claw and, in cooperation with the tension spring, keeps the wire feeding claw in a state protruding from the welding head.

[0008] Preferably, the fixing frame is provided with a threaded hole, and the adjusting rod is a screw.

[0009] Preferably, by adjusting the length of the adjusting rod protruding from the fixed frame, the distance between the adjusting rod and the limiting block is adjusted, thereby achieving the purpose of adjusting the range of motion of the wire feeding clamp.

[0010] Preferably, the tension spring is always in a stretched state.

[0011] Preferably, a wire feeding mechanism is provided between the first welding head and the second welding head, and the wire feeding mechanism is provided with two leads, and the distance between the two leads is greater than the distance between the two pins of the capacitor body.

[0012] Preferably, the wire feeding mechanism further includes a wire cutting assembly, which is disposed above the first wire feeding jaw and the second wire feeding jaw. The wire cutting assembly is connected to a cylinder to realize an opening and closing movement, thereby cutting the lead wire to a preset length.

[0013] Preferably, a feeding mechanism is provided between the first welding head and the second welding head. The feeding mechanism is disc-shaped and located below the first welding head and the second welding head. The feeding mechanism rotates relative to the first welding head and the second welding head. Multiple fixing clamps are provided around the feeding mechanism. A capacitor body is fixed in the fixing clamps. The capacitor body rotates between the first welding head and the second welding head under the drive of the feeding mechanism.

[0014] The capacitor lead welding device provided in this embodiment of the utility model has at least one of the following technical effects:

[0015] This invention discloses a capacitor lead welding device. With the cooperation of a welding head, a wire feeding clamp, and an adjustment mechanism, the wire feeding clamp protrudes from the welding head, thus keeping the lead away from the welding head. When the wire feeding clamp moves with the welding head and brings the lead into contact with the capacitor body, the clamp is stopped from moving further with the welding head by the adjusting rod in the adjustment mechanism, keeping the lead in the clamp still with the capacitor body. The welding head can then continue to move towards the capacitor body, bringing it into contact with both the capacitor body and the lead, completing the welding process. This avoids problems such as premature heating of the lead, resulting in localized melting or deformation, ensuring accurate lead delivery and positioning, preventing deviations in the effective length of the lead during welding, and improving the electrical performance and product consistency of the capacitor. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A front view of a capacitor lead welding device provided in an embodiment of this utility model.

[0018] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0019] Figure 3 A partial perspective view of a capacitor lead welding device provided in an embodiment of this utility model.

[0020] Figure 4 This is a top view of a capacitor lead welding device provided in an embodiment of the present invention.

[0021] Figure 5 for Figure 4 A three-dimensional view after cross-section at point BB.

[0022] Figure 6 for Figure 5 Enlarged view of point C in the middle.

[0023] The following are the labeling elements in the figure:

[0024] 10—Wire feeding mechanism; 11—Wire cutting assembly; 20—Wire delivery mechanism; 21—First wire delivery gripper.

[0025] 22—Second wire feed gripper; 30—Welding mechanism; 31—First welding head; 32—Second welding head

[0026] 40—Adjusting mechanism; 41—Slide rail; 411—Stop block; 42—Slide path; 43—Tension spring

[0027] 44—Fixed frame 45—Adjusting rod 46—Limit block 50—Feeding mechanism 51—Fixed clamp

[0028] 60—Limiting mechanism; 61—Cylinder; 62—Blocking bar; 70—Capacitor body; 71—Pin. Detailed Implementation

[0029] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0030] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0032] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0033] In one embodiment of this utility model, such as Figure 1 As shown, a capacitor lead welding device is provided, including a wire feeding mechanism 10, a wire delivery mechanism 20, a welding mechanism 30, an adjustment mechanism 40, a feeding mechanism 50, and a limiting mechanism 60 for producing and processing capacitors. The capacitor includes a capacitor body 70 and leads 71 ​​located on both sides of the capacitor body 70.

[0034] The wire feeding mechanism 10 is located at the top of the device and in the middle position. Inside the wire feeding mechanism 10, there are two parallel lead wire feeding channels vertically arranged, and the distance between the two lead wire feeding channels is greater than the distance between the pins on both sides of the capacitor to be welded. The bottom surface of the wire feeding mechanism 10 is flat. The wire feeding mechanism 10 is used to continuously, stably, and controllably feed the uncut lead wires to the wire feeding mechanism 20 below. Through the design of parallel lead wire feeding channels, the independence of the two lead wires is ensured, reducing process interruptions caused by lead wire entanglement. At the same time, it can be adapted to capacitors with different pin spacings, improving the versatility of the device.

[0035] like Figure 2 As shown, a wire cutting assembly 11 is provided below the wire feeding mechanism 10. The wire cutting assembly 11 consists of two cutters. The cutters are slidably disposed on both sides of the bottom surface of the wire feeding mechanism 10 and are in contact with the bottom surface of the wire feeding mechanism 10. Each cutter is connected to a cylinder. When the lead wire is fed out from the bottom surface of the wire feeding mechanism 10 to a preset length through the lead wire feeding channel, the two cutters slide rapidly through the extension and retraction movement of the cylinders. The cutters cooperate with the bottom surface of the wire feeding mechanism 10 to apply shearing force to the lead wire and complete the cutting of the lead wire.

[0036] The wire feeding mechanism 20 includes a first wire feeding jaw 21 and a second wire feeding jaw 22. Both the first wire feeding jaw 21 and the second wire feeding jaw 22 are openable and closable cylinder jaw structures. The first wire feeding jaw 21 and the second wire feeding jaw 22 are symmetrically arranged below the wire feeding mechanism 10. The first wire feeding jaw 21 and the second wire feeding jaw 22 are located on both sides of the capacitor body 70. The end of the first wire feeding jaw 21 and the second wire feeding jaw 22 adjacent to the capacitor body 70 is the clamping part. The clamping part of the first wire feeding jaw 21 and the second wire feeding jaw 22 is located directly below the uncut lead wire in the wire feeding mechanism 10. In the initial state, the first wire feeding jaw 21 and the second wire feeding jaw 22 are in the open state, receiving the lead wire fed by the wire feeding mechanism 10. After the lead wire is fed into place, the first wire feeding jaw 21 and the second wire feeding jaw 22 close to firmly clamp the lead wire, and then the wire cutting assembly 11 cuts the lead wire.

[0037] The welding mechanism 30 includes a first welding head 31 and a second welding head 32 that are slidably disposed. The first welding head 31 and the second welding head 32 are respectively disposed below the first wire feeding claw 21 and the second wire feeding claw 22. The first wire feeding claw 21 is slidably disposed on the first welding head 31 and the second wire feeding claw 22 is slidably disposed on the second welding head 32. The first welding head 31 and the second welding head 32 are respectively connected to a driving device (not shown). The driving device is preferably a cylinder. The driving device can drive the first welding head 31 and the second welding head 32 to reciprocate relative to each other, so that the first wire feeding claw 21 and the second wire feeding claw 22 can move synchronously with the first welding head 31 and the second welding head 32, respectively. The first welding head 31 and the second welding head 32 are adjacent to the capacitor body 70 at one end, which is a working end adapted to the capacitor leads 71. The working end has a built-in heating component, which allows the first welding head 31 and the second welding head 32 to apply pressure and heat at the same time when contacting the lead wire and the capacitor body, so that the lead wire and the capacitor body 70 are fused together. After the lead wire is welded, it becomes the leads 71 ​​on both sides of the capacitor body 70, and the welding is completed. A gap is reserved between the working end and the clamping part.

[0038] like Figure 3-6 As shown, the adjustment mechanism 40 is located above the first wire feeding claw 21. The adjustment mechanism 40 includes a slide rail 41, a slide 42, a tension spring 43, a fixing frame 44, an adjustment rod 45, and a limiting block 46.

[0039] like Figure 6 As shown, the slide rail 41 is a long strip structure. The length direction of the slide rail 41 is parallel to the sliding direction of the first welding head 31. The slide rail 41 is fixedly installed on the end face of the first welding head 31 that contacts the first wire feeding claw 21. The cross-section of the slide rail 41 is "T" shaped to ensure stability during the sliding process.

[0040] The slide 42 is a groove structure adapted to the slide rail 41. It is located on the end face where the first wire feeding claw 21 contacts the first welding head 31 and is located in the fixed base part of the first wire feeding claw 21 to avoid affecting the normal opening and closing of the claw. The slide 42 and the slide rail 41 slide together, so that the first wire feeding claw 21 can slide smoothly relative to the first welding head 31 along the length direction of the slide rail 41.

[0041] A stop 411 is integrally formed at one end of the slide rail 41 near the capacitor body 70. The stop 411 is set perpendicular to the surface of the slide rail 41 and its height is higher than the thickness of the slide rail 41. In the initial state, when the first wire feeding claw 21 abuts against the stop 411, the gripping part of the first wire feeding claw 21 protrudes from the working end of the first welding head 31. The stop 411 restricts the first wire feeding claw 21 from continuing to slide towards the capacitor body 70, thereby keeping the gripping part of the first wire feeding claw 21 stably protruding from the working end of the first welding head 31, ensuring that the lead wire is away from the heating area of ​​the first welding head 31 in the initial state.

[0042] The fixing frame 44 is an L-shaped plate structure. One end of the fixing frame 44 is fixed to the machine frame with bolts, and the other end extends above the first wire feeding claw 21, with a gap reserved between it and the first wire feeding claw 21 to avoid interference with the sliding of the wire feeding claw. A horizontally arranged threaded hole is provided in the fixing frame 44.

[0043] The adjusting rod 45 is a screw with threads on its outer surface, and the adjusting rod 45 passes through the threaded hole and is threadedly engaged with the threaded hole.

[0044] The limiting block 46 is a block structure, fixed to the top of the first wire feeding claw 21 by welding or bolting, and is positioned directly opposite the adjusting rod 45. Initially, there is a gap between the adjusting rod 45 and the limiting block 46. This gap can be adjusted by rotating the adjusting rod 45. When the adjusting rod 45 is rotated clockwise, the length of the adjusting rod 45 protruding from the fixing frame 44 increases, and the gap between the adjusting rod 45 and the limiting block 46 decreases. When the adjusting rod 45 is rotated counterclockwise, the length of the adjusting rod 45 protruding from the fixing frame 44 shortens, and the gap between it and the limiting block 46 increases. By adjusting the length of the adjusting rod 45 protruding from the fixing frame 44, the movement distance of the first wire feeding claw 21 under the action of the first welding head 31 is controlled. When the lead wire diameter is large, the gap between the adjusting rod 45 and the limiting block 46 is reduced to ensure more precise contact between the lead wire and the welding point of the capacitor body 70.

[0045] One end of the tension spring 43 is hooked to the side of the fixing frame 44, and the other end is hooked to the end of the first wire feeding claw 21 away from the capacitor body 70. The tension spring 43 is always in a stretched state, thereby applying a continuous pulling force to the wire feeding claw. The pulling force is directed along the slide rail 41 towards the stop block 411. During the process of the first welding head 31 driving the first wire feeding claw 21 to move towards the capacitor body 70, when the limiting block 46 above the first wire feeding claw 21 abuts against the adjusting rod 45, the first wire feeding claw 21 stops moving. With the cooperation of the slide rail 41 and the slide 42, the first welding head 31 can continue to move until the first welding head 31 abuts against the lead wire. During this process, the tension of the tension spring 43 decreases, but it can still keep the limiting block 46 and the adjusting rod 45 in abutment.

[0046] An adjustment mechanism 40 is also provided above the second wire feeding gripper 22.

[0047] The two adjustment mechanisms 40 ensure that the first wire feeding claw 21 and the second wire feeding claw 22 protrude from the first welding head 31 and the second welding head 32 respectively in the initial state, keeping the lead wire away from the heating area of ​​the first welding head 31 and the second welding head 32. They also allow for precise control of the maximum sliding distance of the first wire feeding claw 21 and the second wire feeding claw 22 through the cooperation of the adjustment rod 45 and the limit block 46, thereby ensuring the positional accuracy of the lead wire contacting the capacitor body 70 and improving the automation level and working stability of the device.

[0048] The feeding mechanism 50 is located between the first welding head 31 and the second welding head 32. The feeding mechanism 50 includes a rotating disk and a driving device for driving the rotating disk to rotate. The rotating disk can rotate relative to the welding mechanism 30. A plurality of fixed clamps 51 are evenly arranged around the periphery of the rotating disk. The fixed clamps 51 are used to hold the capacitor body 70. The rotating disk rotates and the fixed clamps 51 drive the capacitor body 70 to rotate to the welding station. The lead welding points on both sides of the capacitor body 70 protrude from the fixed clamps 51, and the lead welding points are in contact with the end of the lead wire away from the tangent assembly 11 and are waiting to be welded.

[0049] There are two limiting mechanisms 60, each including a cylinder 61 and a blocking bar 62. The cylinder 61 is fixed to the side of the first welding head 31 and the second welding head 32, respectively. The output end of the cylinder 61 is connected to the blocking bar 62 via a connecting rod. The blocking bar 62 is a high-temperature resistant, non-deformable, and high-strength metal strip, and is perpendicular to the lead wire. When the cylinder 61 is in the retracted state, the blocking bar 62 is located in the gap between the welding head and the wire feeding jaws, tangentially behind the working end of the welding head. The height of the blocking bar 62 is higher than the lead welding point. When the cylinder 61 is in the extended state, the blocking bar 62 is pushed out of the working end of the welding head.

[0050] When the first welding head 31 and the second welding head 32 move toward the capacitor body 70, they simultaneously drive the cylinder 61 and the blocking bar 62 to approach the capacitor body 70. After the first welding head 31 and the second welding head 32 finish welding the lead wire, the cylinder 61 extends and drives the blocking bar 62 to move toward the working end of the welding head until it abuts against the lead wire welded to the capacitor body 70. At this time, the first welding head 31 and the second welding head 32 retract and reset, driving the limiting mechanism 60 to retract synchronously. At this time, the cylinder 61 extends and the speed of the cylinder 61 extension is consistent with the speed of the welding head retraction, so that the blocking bar 62 is kept in contact with the lead wire, thereby keeping the lead wire on the capacitor body 70 and preventing it from being taken away by the welding head. Subsequently, the blocking bar 62 separates from the lead wire under the driving force of the first welding head 31 and the second welding head 32 continuing to retract. At the same time, the blocking bar 62 resets under the action of the cylinder 61.

[0051] The working process of this embodiment is as follows:

[0052] In the initial state, the first welding head 31 and the second welding head 32 are positioned relatively far from the welding station. The first wire feeding claw 21 and the second wire feeding claw 22 are in the open state. The two uncut leads in the wire feeding mechanism 10 are respectively inserted into the clamping parts of the first wire feeding claw 21 and the second wire feeding claw 22, and the end face of the lead is on the same horizontal plane as the bottom surface of the first welding head 31 and the second welding head 32. Under the combined action of the slide rail 41, the stop block 411, the slide 42, and the tension spring 43, the first wire feeding claw 21 and the second wire feeding claw 22 protrude relative to the first welding head 31 and the second welding head 32, and the lead does not contact the welding head. The cylinder 61 of the limiting mechanism 60 is in the retracted state, and the blocking bar 62 is located directly above the welding head.

[0053] At this time, the first wire feeding jaw 21 and the second wire feeding jaw 22 close to clamp the lead wire; the wire cutting assembly 11 of the wire feeding mechanism 10 moves under the drive of the cylinder, and the wire cutting assembly 11 cooperates with the bottom surface of the wire feeding mechanism 10 to form a shearing force to cut the lead wire to a preset length.

[0054] Subsequently, the drive device of the welding mechanism 30 is activated, driving the first welding head 31 and the second welding head 32 to move towards each other, so that the first welding head 31 and the second welding head 32 move closer to the capacitor body 70, and simultaneously drive the first wire feeding claw 21, the second wire feeding claw 22 and the cylinder 61 and the blocking bar 62 of the limiting mechanism 60 to move.

[0055] At the same time, the feeding mechanism 50 rotates, driving the fixed clamp 51 and the capacitor body 70 it holds to rotate to the welding station between the first welding head 31 and the second welding head 32, with the leads 71 ​​on both sides of the capacitor corresponding to the working ends of the first welding head 31 and the second welding head 32 respectively.

[0056] The first wire feeding jaw 21 and the second wire feeding jaw 22, carrying the cut lead wire, continue to move towards each other with the welding head until the lead wire contacts the welding points of the pins 71 on both sides of the capacitor. At this point, the corresponding adjusting rods 45 on the first wire feeding jaw 21 and the second wire feeding jaw 22 abut against the limiting block 46, and the first wire feeding jaw 21 and the second wire feeding jaw 22 stop moving, keeping the lead wire in contact with the welding points of the pins 71 on both sides of the capacitor.

[0057] The first welding head 31 and the second welding head 32 continue to move until they come into contact with the lead wire. The welding of the lead wire to the capacitor body 70 is completed by heating and pressurizing. During this process, the first wire feeding claw 21 and the second wire feeding claw 22 are restricted in position by the adjusting rod 45 and the limiting block 46. The first wire feeding claw 21 and the second wire feeding claw 22 slide along the corresponding slide rail 41 provided on the first welding head 31 and the second welding head 32, respectively. The first wire feeding claw 21 and the second wire feeding claw 22 separate from the stop block 411.

[0058] After welding is completed, the cylinder 61 of the limiting mechanism 60 extends, driving the blocking bar 62 to move towards the lead wire until the blocking bar 62 abuts against the lead wire, thus limiting the lead wire.

[0059] Subsequently, the first wire feeding jaw 21 and the second wire feeding jaw 22 open, releasing the lead wire; the driving device drives the first welding head 31 and the second welding head 32 to move in the opposite direction to reset, synchronously driving the wire feeding jaw and the limiting mechanism 60 to reset. During this process, the cylinder 61 continues to extend, and the extension speed of the telescopic rod in the cylinder 61 is consistent with the speed of the welding head movement, so that the blocking bar 62 and the lead wire continue to be in contact until the blocking bar 62 moves from directly above the welding head to between the working end and the capacitor body, thereby keeping the lead wire at the pin 71; and during this process, the first wire feeding jaw 21 and the second wire feeding jaw 22 return to the state of contact with the stop block 411 under the action of the tension spring 43, and the first wire feeding jaw 21 and the second wire feeding jaw 22 protrude from the first welding head 31 and the second welding head 32 respectively.

[0060] Subsequently, as the first welding head 31 and the second welding head 32 continue to retract, the blocking strip 62 separates from the lead wire. At the same time, the blocking strip 62 is reset by the action of the cylinder 61. During this process, the tension spring 43 is stretched, and the first wire feeding claw 21, the second wire feeding claw 22 move synchronously with the first welding head 31 and the second welding head 32.

[0061] Subsequently, the wire feeding mechanism 10 delivers new leads to the wire feeding grippers, and the feeding mechanism 50 continues to rotate, delivering the welded capacitor and simultaneously delivering the next capacitor body 70 to the welding station to enter the next welding cycle.

[0062] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A capacitor lead soldering device, comprising a soldering mechanism (30), the soldering mechanism (30) comprising a first soldering head (31) and a second soldering head (32) slidably disposed therebetween, a capacitor body (70) being fixed between the first soldering head (31) and the second soldering head (32), and a wire feeding mechanism (20) being provided above the soldering mechanism (30), characterized in that: The wire feeding mechanism (20) includes a first wire feeding jaw (21) slidably disposed on a first welding head (31) and a second wire feeding jaw (22) slidably disposed on a second welding head (32), wherein the ends of the first wire feeding jaw (21) and the second wire feeding jaw (22) adjacent to the capacitor body (70) respectively protrude from the first welding head (31) and the second welding head (32); an adjustment mechanism (40) is provided above the first wire feeding jaw (21) and the second wire feeding jaw (22), and the adjustment mechanism (40) includes respectively A limiting block (46) is fixedly mounted on the two wire feeding jaws, and a fixing frame (44) is fixedly mounted relative to the frame and located above the two wire feeding jaws respectively. The fixing frame (44) is provided with a retractable adjusting rod (45) facing the limiting block (46). The adjusting rod (45) is correspondingly mounted to the limiting block (46) and there is a gap between the adjusting rod (45) and the limiting block (46). The fixing frame (44) is connected to the wire feeding jaw body by a stretched tension spring (43). The tension spring (43) keeps the wire feeding jaw protruding from the corresponding welding head.

2. The capacitor lead soldering device according to claim 1, characterized in that: The adjustment mechanism (40) further includes a slide rail (41) and a slide rail (42). The slide rail (41) is respectively located on the side where the two welding heads contact the corresponding wire feeding jaws. The slide rail (42) is respectively located on the side where the two wire feeding jaws contact the welding heads in cooperation with the corresponding slide rail (41).

3. The capacitor lead soldering device according to claim 2, characterized in that: The slide rail (41) is provided with a stop (411) at one end adjacent to the capacitor body (70). The stop (411) restricts the range of motion of the corresponding wire feeding claw and, in cooperation with the tension spring (43), keeps the wire feeding claw in a state protruding from the welding head.

4. The capacitor lead soldering device according to claim 1, characterized in that: The fixing frame (44) is provided with a threaded hole, and the adjusting rod (45) is a screw.

5. A capacitor lead soldering device according to claim 1, characterized in that: By adjusting the length of the adjusting rod (45) protruding from the fixing frame (44), the distance between the adjusting rod (45) and the limiting block (46) can be adjusted, thereby achieving the purpose of adjusting the range of motion of the wire feeding clamp.

6. The capacitor lead soldering device according to claim 1, characterized in that: The tension spring (43) is always in a stretched state.

7. The capacitor lead soldering device according to claim 1, characterized in that: A wire feeding mechanism (10) is provided between the first welding head (31) and the second welding head (32). The wire feeding mechanism (10) has two leads, and the distance between the two leads is greater than the distance between the two pins (71) of the capacitor body (70).

8. A capacitor lead soldering device according to claim 1, characterized in that: The wire feeding mechanism (10) also includes a wire cutting assembly (11), which is located above the first wire feeding jaw (21) and the second wire feeding jaw (22). The wire cutting assembly (11) is connected to a cylinder (61) to realize the opening and closing movement, thereby cutting the lead wire to a preset length.

9. A capacitor lead soldering device according to claim 1, characterized in that: A feeding mechanism (50) is provided between the first welding head (31) and the second welding head (32). The feeding mechanism (50) is disc-shaped and located below the first welding head (31) and the second welding head (32). The feeding mechanism (50) rotates relative to the first welding head (31) and the second welding head (32). Multiple fixing clamps (51) are provided around the feeding mechanism (50). A capacitor body (70) is fixed in the fixing clamp (51). The capacitor body (70) rotates between the first welding head (31) and the second welding head (32) under the drive of the feeding mechanism (50).

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