CN213794690U - Tin wire conveying assembly of feed mechanism for feed-through capacitor tin wires - Google Patents

Abstract

The utility model relates to the field of feedthrough capacitors, in particular to a feedthrough capacitor tin wire feeding mechanism tin wire conveying assembly which is used for conveying tin wires; the tin wire conveying assembly comprises a conveying bottom plate, a tin wire conveying rack, a tin wire driving motor, a tin wire driving gear and a tin wire guide pipe, wherein the tin wire conveying rack, the tin wire driving motor, the tin wire driving gear and the tin wire guide pipe are fixed on the conveying bottom plate; when the solder wires are fed, the solder wire driving motor acts to drive the solder wire driving gear connected with the solder wire driving motor to rotate, the solder wire driving pressing wheel rotates to drive the solder wire driven wheel connected with the solder wire driving pressing wheel to rotate, and the solder wires move between the solder wire driving pressing wheel and the solder wire driven wheel along the solder wires; and the solder wire penetrates through the inner hole of the guide pipe and moves to a welding station along the bent shape of the solder wire guide pipe to complete the solder wire feeding process.

Description

Tin wire conveying assembly of feed mechanism for feed-through capacitor tin wires

Technical Field

The utility model relates to a cross-core electric capacity field especially relates to a cross-core electric capacity tin silk feed mechanism tin silk conveying component.

Background

The feedthrough capacitor is a three-terminal capacitor, but compared with the common three-terminal capacitor, the feedthrough capacitor is smaller in grounding inductance and hardly influenced by lead inductance because the feedthrough capacitor is directly mounted on a metal panel, and in addition, the input end and the output end of the feedthrough capacitor are isolated by metal plates, so that high-frequency coupling is eliminated, and the two characteristics determine that the feedthrough capacitor has a filtering effect close to an ideal capacitor. And the pin length of the feedthrough capacitor is less than 20mm, and when the feedthrough capacitor is installed on a circuit board or is connected with other components, a lead is usually required to be additionally connected with the feedthrough capacitor pin so that the feedthrough capacitor can be more conveniently connected with other terminals and parts.

The patent name of the feedthrough capacitor with a lead wire terminal is CN2594952Y, which is disclosed by the Chinese intellectual property office, and the feedthrough capacitor comprises core wire terminals welded at two ends of the feedthrough capacitor, lead wires and the core wire terminals welded, and terminals with the types welded after a thermoplastic conduit is threaded. Then, the lead wire and the core wire terminal are welded, and the thermoplastic conduit are threaded, and then the printed board is pressed and connected to the lead wire by the terminal with the plug model T2500J. Finally, the position of each section of thermoplastic conduit is adjusted, and hot air is used for thermal shrinkage. Other types of plug terminals for printed boards may be used. The utility model discloses the quality of welding, crimping is reliable, simple to operate when using on the printing board.

The prior art has the following defects: 1. when tin soldering is added to the through capacitor pin and the lead, the electric soldering iron is directly driven by the air cylinder to move downwards to a welding position, and the through capacitor pin and the lead are welded; the cylinder drives the electric soldering iron to move only up and down, and the welding angle of the electric soldering iron relative to the pin of the feedthrough capacitor is not changed; when the shape of the pin of the feedthrough capacitor changes, the welding angle of the electric soldering iron cannot be adjusted to adapt to the shape of the pin of the feedthrough capacitor, so that the adaptability of a welding mechanism is low; meanwhile, when the feedthrough capacitor pin and the lead are welded, smoke generated in the welding process of the tin wire is not treated, so that the environmental quality in the welding process is reduced. 2. When the solder wires are fed, the solder wires between the pressing wheels are directly driven to move forwards by the rotation of the two pressing wheels, so that the feeding process of the solder wires is completed; the pressing wheel rotates to convey the soldering tin wire, the soldering tin wire can only be driven to move through the friction force of the pressing wheel, and no mechanism is used for limiting the moving direction of the soldering tin wire after the soldering tin wire is not in contact with the pressing wheel; when the pinch roller output is far away from the punching capacitor welding position, the length of the output free end solder wire is long, and the free end solder wire is more easily affected by gravity and folded down, so that the loading position of the solder wire is inaccurate.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at: the tin wire conveying assembly of the feed-through capacitance tin wire feed mechanism is provided, and the tin wire conveying assembly limits the output direction of the tin wires and guarantees the accuracy of the feeding position of the tin wires.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tin wire conveying assembly of a feed mechanism of a feed-through capacitor is used for conveying tin wires; the tin wire conveying assembly comprises a conveying bottom plate, a tin wire conveying rack, a tin wire driving motor, a tin wire driving gear and a tin wire guide pipe, wherein the tin wire conveying rack, the tin wire driving motor, the tin wire driving gear and the tin wire guide pipe are fixed on the conveying bottom plate; the tin wire conveying frame is matched with the tin wire coil; the output end of the tin wire driving motor is connected with the tin wire driving gear; the tin wire driving gear comprises a tin wire driving gear and a tin wire driven gear; the tin wire guide pipe is made of plastic materials, and the shape of the tin wire guide pipe is matched with a tin wire conveying curve; the solder wires extending out of the solder wire coil respectively penetrate through the joint of the solder wire guide pipe and the solder wire driving gear and the solder wire driven wheel, and the tail ends of the solder wires are contacted with the solder wire welding mechanism; the tin wire conveying frame is used for storing the tin wire coil; the tin wire driving motor and the tin wire driving gear are used for driving the tin wire to move; the solder wire guide tube is used for adjusting the solder wire conveying path.

Preferably, the tin wire guide tube comprises a first guide tube, a second guide tube and a third guide tube; the first guide pipe, the second guide pipe and the third guide pipe are all fixed on the conveying bottom plate; the upper end of the first guide pipe is connected with the soldering tin wire coil, the lower end of the third guide pipe is connected with the soldering tin wire welding mechanism, and the upper end and the lower end of the second guide pipe are respectively connected with the lower end of the first guide pipe and the upper end of the third guide pipe.

Preferably, the plurality of tin wire driving gears and the plurality of tin wire driven wheels are distributed up and down, and the tin wire driving gears and the tin wire driven wheels at the same height are connected. The tin wire driving gear comprises a tin wire driving gear tooth and a tin wire driving pressing wheel; the tin wire driving gear teeth are meshed with the output end of the tin wire driving motor; the tin wire driving pressing wheel is positioned at the outer end of the tin wire driving wheel teeth, the tin wire driving pressing wheel is connected with the tin wire driven wheel, and the outer surface of the tin wire driving pressing wheel is in contact with the surface of the tin wire.

Preferably, the second conduit is located between the upper and lower wire drive gears. The first conduit, the second conduit and the third conduit all comprise conduit outer walls and conduit inner holes; the inner hole of the conduit is a through hole and is connected with the solder wire. The inner hole of the conduit is a circular inner hole. The diameter of the inner hole of the circular guide pipe is larger than that of the solder wire.

The utility model adopts the above technical scheme a feedthrough electric capacity tin silk feed mechanism tin silk conveying component's advantage is:

by arranging the tin wire conveying assembly; when the solder wires are fed, the solder wire driving motor acts to drive the solder wire driving gear connected with the solder wire driving motor to rotate, the solder wire driving pressing wheel rotates to drive the solder wire driven wheel connected with the solder wire driving pressing wheel to rotate, and the solder wires move between the solder wire driving pressing wheel and the solder wire driven wheel along the solder wires; and the solder wire penetrates through the inner hole of the guide pipe and moves to a welding station along the bent shape of the solder wire guide pipe to complete the solder wire feeding process. The solder wires are conveyed along the solder wire guide pipe when being conveyed forwards; the tin wire guide pipe is made of a plastic material and can be bent into a corresponding shape according to a conveying path, so that the conveying direction of the tin wires output from the driving pressing wheel and the tin wire driven wheel is limited; when the output end of the pinch roller is far away from the welding position of the feedthrough capacitor, the length of the output free end solder wire is long, and the solder wire penetrates through the inner hole of the guide pipe at the output end of the pinch roller so as to obtain the support of the outer wall of the guide pipe and the limiting effect of the bending shape of the solder wire guide pipe on the output direction of the guide pipe; thereby avoiding the solder wire to receive the influence of gravity and roll over down, having guaranteed the accuracy of solder wire material loading position.

Drawings

Fig. 1 is a schematic structural diagram of a soldering apparatus.

Fig. 2 is a schematic product structure diagram of a feedthrough capacitor product.

Fig. 3 is a schematic structural diagram of a tin wire welding mechanism.

Fig. 4 is a schematic structural diagram of a tin wire feeding mechanism.

Fig. 5 is a schematic structural view of a tin wire driving gear.

Fig. 6 is a partially enlarged structural view of the tin wire guide tube.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the accompanying drawings.

Example 1

The soldering device 3 shown in fig. 1 includes a soldering frame 31, and a solder wire feeding mechanism 32 and a solder wire welding mechanism 33 fixed to the soldering frame 31; the soldering tin frame 31 is fixed on the workbench; the output end of the tin wire feeding mechanism 32 is contacted with the output end of the tin wire welding mechanism 33, and the output end of the tin wire feeding mechanism 32 and the output end of the tin wire welding mechanism 33 are respectively connected with the feed-through capacitor product; the solder wire feeding mechanism 32 is used for feeding solder wires; the solder wire bonding mechanism 33 is used for wire bonding between the feedthrough capacitor leads and the leads.

The flow direction of the feed-through capacitor product is as follows: a wire feed mechanism 32 to a wire bonding mechanism 33.

Fig. 2 is a schematic structural diagram of a feedthrough capacitor product. The feed-through capacitor product comprises a feed-through capacitor a and a lead c: the feedthrough capacitor a is cylindrical, and two ends of the feedthrough capacitor a comprise feedthrough capacitor pins b; the pin b of the feedthrough capacitor is connected with the lead c by spot welding and then further fixed by soldering tin.

As shown in fig. 3, the tin wire welding mechanism 33 includes an electric iron adjusting assembly 34 and a pollution discharging assembly 35; the electric soldering iron adjusting assembly 34 comprises a rotary adjusting bottom plate 36, an up-down adjusting cylinder 37, an up-down adjusting guide rail 38 and an electric soldering iron element 39; the rotary adjustment base plate 36 includes a rotary base plate fixing hole 361 and a rotary base plate rotating hole 362; the rotating bottom plate fixing hole 361 is connected with a circular hole of the soldering tin rack 31, and the rotating bottom plate rotating hole 362 is connected with a circular arc-shaped sliding groove of the soldering tin rack 31; the up-down adjusting cylinder 37 and the up-down adjusting guide rail 38 are fixed on the rotary adjusting base plate 36; the output end of the up-down adjusting cylinder 37 is connected with an electric soldering iron element 39, the electric soldering iron element 39 is connected with the movable end of the up-down adjusting guide rail 38, and the output end of the electric soldering iron element 39 is connected with the output end of the tin wire feeding mechanism 32; the sewage drainage assembly 35 includes a sewage drainage housing 351 and a sewage drainage suction pipe 352; the blowdown stander 351 is fixed on the soldering tin stander 31, and the blowdown suction pipe 352 is fixed on the blowdown stander 351; one end of the blow-down suction pipe 352 is connected with the vacuum suction device, and the other end of the blow-down suction pipe 352 is connected with the output end of the electric soldering iron element 39.

As shown in fig. 1, the electric soldering iron element 39 comprises an electric soldering iron bottom plate 391, an electric soldering iron upper clamping block 392, an electric soldering iron lower clamping block 393 and an electric soldering iron 394; the electric soldering iron bottom plate 391 is connected with the movable end of the upper and lower adjusting guide rail 38, the electric soldering iron upper clamping block 392 and the electric soldering iron lower clamping block 393 are fixed on the electric soldering iron bottom plate 391, and the electric soldering iron upper clamping block 392 and the electric soldering iron lower clamping block 393 are respectively connected with the upper end and the lower end of the electric soldering iron 394; the electric iron upper clamp block 392 includes an upper clamp block hole 395; the electric iron lower clamping block 393 comprises a lower clamping block hole 396; the diameters of the upper clamping block hole 395 and the lower clamping block hole 396 correspond to the diameters of the clamped parts at the upper end and the lower end of the electric soldering iron 394 respectively; the blowdown suction pipe 352 comprises a blowdown upper suction pipe 353, a blowdown transition suction pipe 354 and a blowdown lower suction pipe 355; the upper end of the upper sewage drainage suction pipe 353 is connected with a vacuum suction device, and the lower end of the lower sewage drainage suction pipe 355 is connected with the output end of the electric soldering iron element 39; two ends of the sewage discharge transition suction pipe 354 are respectively connected with the lower end of the sewage discharge upper suction pipe 353 and the upper end of the sewage discharge lower suction pipe 355; the waste upper suction pipe 353 and the waste lower suction pipe 355 are both cylindrical, and the diameter of the waste upper suction pipe 353 is larger than that of the waste lower suction pipe 355.

The tin wire welding mechanism 33 is in the working process: 1) the jig conveying device 1 drives the corresponding feedthrough capacitor to move to a welding station, and the solder wire feeding mechanism 32 conveys the solder wire to a welding position; 2) adjusting the connecting position of the rotating hole 362 of the rotating bottom plate and the arc-shaped chute of the soldering tin rack 31 according to the shape of the feedthrough capacitor pin, so that the welding position of the welding head of the electric soldering iron 394 is opposite to the welding position of the feedthrough capacitor pin; 3) the up-down adjusting cylinder 37 acts to drive the electric soldering iron 394 to move downwards to a soldering position to solder the lead capacitor pin and the lead wire; 4) the vacuum suction device drives the blow-down suction pipe 352 to generate suction force, and the blow-down suction pipe 355 sucks away smoke generated by the electric soldering iron element 39 connected with the blow-down suction pipe to complete the tin wire welding process.

The tin wire welding mechanism 33 solves the problem that when tin soldering is added to the through capacitor pin and the lead, the electric soldering iron is directly driven by the air cylinder to move downwards to a welding position, and the through capacitor pin and the lead are welded; the cylinder drives the electric soldering iron to move only up and down, and the welding angle of the electric soldering iron relative to the pin of the feedthrough capacitor is not changed; when the shape of the pin of the feedthrough capacitor changes, the welding angle of the electric soldering iron cannot be adjusted to adapt to the shape of the pin of the feedthrough capacitor, so that the adaptability of a welding mechanism is low; meanwhile, when the feedthrough capacitor pin and the lead are welded, smoke generated in the welding process of the tin wire is not treated, so that the problem of reduced environment quality in the welding process is caused. An electric soldering iron adjusting assembly 34 and a pollution discharge assembly 35 are arranged; when the feedthrough capacitor pin and the lead are welded, the connecting position of the rotating hole 362 of the rotating bottom plate and the arc-shaped chute of the soldering tin rack 31 is adjusted according to the shape of the feedthrough capacitor pin, so that the welding position of the welding head of the electric soldering iron 394 is opposite to the welding position of the feedthrough capacitor pin; the up-down adjusting cylinder 37 acts to drive the electric soldering iron 394 to move downwards to a soldering position to solder the lead capacitor pin and the lead wire; the vacuum suction device drives the blow-down suction pipe 352 to generate suction force, and the blow-down suction pipe 355 sucks away smoke generated by the electric soldering iron element 39 connected with the blow-down suction pipe to complete the tin wire welding process. The connection position of the rotary bottom plate rotating hole 362 and the arc-shaped sliding groove of the soldering tin rack 31 is adjusted, so that the electric soldering iron 394 can rotate around the rotary bottom plate fixing hole 361, and the welding angle of a welding head of the electric soldering iron 394 relative to the through capacitor pin is adjusted; when the shape of the feedthrough capacitor pin changes, the welding head of the electric soldering iron 394 can be adjusted to a position matched with the shape of the feedthrough capacitor pin, so that the tin wire welding mechanism 33 is suitable for various feedthrough capacitor pins; meanwhile, the pollution discharge suction pipe 352 can suck away smoke generated in the welding process when the through-electrode capacitor pin is welded, the influence of the smoke of the solder wire on the working environment is reduced, and the environmental quality of the welding process is improved.

As shown in fig. 4, the solder wire feeding mechanism 32 includes a solder wire feeding rack 321, a feeding cylinder 322, a feeding guide 323, and a solder wire conveying assembly 324; the tin wire feeding rack 321 is fixed on the tin soldering rack 31, and the feeding cylinder 322 and the feeding guide rail 323 are fixed on the tin wire feeding rack 321; the output end of the feeding cylinder 322 and the movable end of the feeding guide rail 323 are respectively connected with the tin wire conveying assembly 324, and the output end of the tin wire conveying assembly 324 is contacted with the tin wire welding mechanism 33; the feeding cylinder 322 is used for driving the tin wire conveying assembly 324 to move along the feeding guide rail 323; the solder wire conveying assembly 324 is used for conveying solder wires; the tin wire conveying assembly 324 comprises a conveying bottom plate 325, a tin wire conveying rack 326 fixed on the conveying bottom plate 325, a tin wire driving motor 327, a tin wire driving gear 328 and a tin wire guide tube 329; the solder wire carriage 326 cooperates with the solder wire coil; the output end of the tin wire driving motor 327 is connected with a tin wire driving gear 328; the tin wire driving gear 328 comprises a tin wire driving gear 3281 and a tin wire driven gear 3282; the tin wire guide tube 329 is made of plastic materials, and the shape of the tin wire guide tube 329 is matched with a tin wire conveying curve; the solder wires extending out of the solder wire coil respectively penetrate through the joint of the solder wire guide tube 329 and the solder wire driving gear 3281 with the solder wire driven wheel 3282, and the tail ends of the solder wires are contacted with the solder wire welding mechanism 33; the solder wire rack 326 is used for storing solder wire coils; the tin wire driving motor 327 and the tin wire driving gear 328 are used for driving the tin wires to move; the wire guide 329 is used to adjust the wire feed path. The tin wire conduit 329 includes a first conduit 3291, a second conduit 3292, and a third conduit 3293; first, second, and third conduits 3291, 3292, 3293 are all secured to a transport base 325; the upper end of a first guide pipe 3291 is connected with a soldering tin wire coil, the lower end of a third guide pipe 3293 is connected with a soldering tin wire welding mechanism 33, and the upper end and the lower end of a second guide pipe 3292 are respectively connected with the lower end of the first guide pipe 3291 and the upper end of the third guide pipe 3293; the plurality of tin wire driving gears 3281 and the plurality of tin wire driven gears 3282 are arranged, the plurality of tin wire driving gears 3281 and the plurality of tin wire driven gears 3282 are distributed up and down, and the tin wire driving gears 3281 and the tin wire driven gears 3282 are connected at the same height.

As shown in fig. 5, the solder wire driving gear 3281 includes solder wire driving gear teeth 32811 and a solder wire driving stitching wheel 32812; the tin wire driving gear teeth 32811 are meshed with the output end of the tin wire driving motor 327; the tin wire driving pressing wheel 32812 is positioned at the outer end of the tin wire driving gear teeth 32811, the tin wire driving pressing wheel 32812 is connected with the tin wire driven wheel 3282, and the outer surface of the tin wire driving pressing wheel 32812 is in contact with the surface of the tin wire; the second conduit is located between the upper and lower wire drive gears 3281.

As shown in fig. 6, the first, second, and third conduits 3291, 3292, 3293 each include a conduit outer wall 3294 and a conduit inner bore 3295; the inner hole 3295 of the guide tube is a through hole, and the inner hole 3295 of the guide tube is connected with a solder wire; the conduit bore 3295 is a circular bore; the diameter of the inner bore 3295 of the circular tube is larger than that of the solder wire.

During the operation of the tin wire feeding mechanism 32: 1) the jig conveying device 1 drives the corresponding feedthrough capacitor to move to the welding station, and the feeding cylinder 322 acts to drive the tin wire conveying assembly 324 to move downwards to a position connected with the tin wire welding mechanism 33; 2) the tin wire driving motor 327 operates to drive the tin wire driving gear 3281 connected with the tin wire driving motor to rotate, the tin wire driving pressing wheel 32812 rotates to drive the tin wire driven wheel 3282 connected with the tin wire driving pressing wheel to rotate, and the tin wire moves between the tin wire driving pressing wheel 32812 and the tin wire driven wheel 3282; 3) the solder wire passes through the guide tube inner hole 3295 and moves to a welding station along the bent shape of the solder wire guide tube 329 to complete the solder wire feeding process.

The solder wire feeding mechanism 32 solves the problem that when solder wires are fed, the solder wires between the pressing wheels are directly driven to move forwards by the rotation of the two pressing wheels to complete the feeding process of the solder wires; the pressing wheel rotates to convey the soldering tin wire, the soldering tin wire can only be driven to move through the friction force of the pressing wheel, and no mechanism is used for limiting the moving direction of the soldering tin wire after the soldering tin wire is not in contact with the pressing wheel; when the pinch roller output is far away from the punching capacitor welding position, the length of the output free end solder wire is long, and the free end solder wire is more easily affected by gravity and folded down, so that the problem that the loading position of the solder wire is inaccurate is caused. By providing a wire feed assembly 324; when the solder wires are fed, the solder wire driving motor 327 operates to drive the solder wire driving gear 3281 connected with the solder wire driving motor to rotate, the solder wire driving pressing wheel 32812 rotates to drive the solder wire driven wheel 3282 connected with the solder wire driving pressing wheel to rotate, and the solder wires move between the solder wire driving pressing wheel 32812 and the solder wire driven wheel 3282; the solder wire passes through the guide tube inner hole 3295 and moves to a welding station along the bent shape of the solder wire guide tube 329 to complete the solder wire feeding process. The solder wire is conveyed along the solder wire guide tube 329 when being conveyed forwards; the tin wire guide tube 329 is made of a plastic material and can be bent into a corresponding shape according to a conveying path, so that the conveying direction of the tin wires output from the driving pressing wheel 32812 and the tin wire driven wheel 3282 is limited; when the output end of the pressing wheel is far away from the welding position of the feedthrough capacitor, the length of the output free end solder wire is long, and the solder wire penetrates through a guide tube inner hole 3295 of the output end of the pressing wheel, so that the support of a guide tube outer wall 3294 and the limiting effect of the bending shape of the solder wire guide tube 329 on the output direction of the guide tube are obtained; thereby avoiding the solder wire to receive the influence of gravity and roll over down, having guaranteed the accuracy of solder wire material loading position.

Claims (8)

1. A tin wire conveying assembly of a feed mechanism of a feed-through capacitor tin wire is characterized in that the tin wire conveying assembly (324) is used for conveying the tin wire; the tin wire conveying assembly (324) comprises a conveying bottom plate (325), and a tin wire conveying rack (326), a tin wire driving motor (327), a tin wire driving gear (328) and a tin wire guide pipe (329) which are fixed on the conveying bottom plate (325); the tin wire conveying frame (326) is matched with the tin wire coil; the output end of the tin wire driving motor (327) is connected with a tin wire driving gear (328); the tin wire driving gear (328) comprises a tin wire driving gear (3281) and a tin wire driven gear (3282); the tin wire guide pipe (329) is made of a plastic material, and the shape of the tin wire guide pipe (329) is matched with a tin wire conveying curve; the solder wires extending out of the solder wire coil respectively penetrate through the joint of the solder wire guide tube (329) and the solder wire driving gear (3281) and the solder wire driven wheel (3282), and the tail ends of the solder wires are contacted with a solder wire welding mechanism; the tin wire conveying frame (326) is used for storing the tin wire coil; the tin wire driving motor (327) and the tin wire driving gear (328) are used for driving the tin wires to move; the solder wire guide tube (329) is used for adjusting the solder wire conveying path.

2. A feed-through capacitive tin wire feed mechanism tin wire transport assembly as claimed in claim 1 wherein the tin wire conduit (329) comprises a first conduit (3291), a second conduit (3292) and a third conduit (3293); the first guide pipe (3291), the second guide pipe (3292) and the third guide pipe (3293) are all fixed on the conveying bottom plate (325); the upper end of the first guide pipe (3291) is connected with the soldering tin wire coil, the lower end of the third guide pipe (3293) is connected with the soldering tin wire welding mechanism, and the upper end and the lower end of the second guide pipe (3292) are respectively connected with the lower end of the first guide pipe (3291) and the upper end of the third guide pipe (3293).

3. The tin wire conveying assembly of the feed-through capacitive tin wire feeding mechanism is characterized in that the number of the tin wire driving gears (3281) and the number of the tin wire driven gears (3282) are multiple, the number of the tin wire driving gears (3281) and the number of the tin wire driven gears (3282) are distributed up and down, and the tin wire driving gears (3281) and the tin wire driven gears (3282) are connected at the same height.

4. The tin wire feeding mechanism of claim 1, wherein the tin wire driving gear (3281) comprises a tin wire driving gear (32811) and a tin wire driving pressing wheel (32812); the tin wire driving gear teeth (32811) are meshed with the output end of the tin wire driving motor (327); the tin wire driving pressing wheel (32812) is located at the outer end of the tin wire driving gear teeth (32811), the tin wire driving pressing wheel (32812) is connected with the tin wire driven wheel (3282), and the outer surface of the tin wire driving pressing wheel (32812) is in contact with the surface of a tin wire.

5. The feed-through capacitive tin wire feed mechanism tin wire transport assembly of claim 2, wherein the second conduit (3292) is located between the upper and lower tin wire drive gears (3281).

6. A feed-through capacitive tin wire feed mechanism tin wire feed assembly as claimed in claim 2, wherein the first conduit (3291), the second conduit (3292) and the third conduit (3293) each comprise a conduit outer wall (3294) and a conduit inner bore (3295); the inner bore (3295) of the conduit is a through hole, and the inner bore (3295) of the conduit is connected with the solder wire.

7. The feed-through capacitive tin wire feed mechanism tin wire conveying assembly as claimed in claim 6, wherein the guide tube inner bore (3295) is a circular inner bore.

8. The feed-through capacitive solder wire feed mechanism solder wire handling assembly of claim 6, wherein the diameter of the circular conduit bore (3295) is larger than the diameter of the solder wire.

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