CN116191163B

CN116191163B - Pin forming machine

Info

Publication number: CN116191163B
Application number: CN202310487897.4A
Authority: CN
Inventors: 尧禹杰; 尧章华
Original assignee: Jiangxi Haihua Electronics Co ltd
Current assignee: Jiangxi Haihua Electronics Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-07-07
Anticipated expiration: 2043-05-04
Also published as: CN116191163A

Abstract

The invention relates to the field of contact pin production, in particular to a contact pin forming machine, which comprises a substrate, wherein a groove is formed in the middle of the upper surface of the substrate, a notch is further formed in one side of the upper surface of the substrate, which is positioned on the groove, along the length direction of the substrate, the notch penetrates to the tail end of the substrate, a through hole is formed in the position, close to the inner bottom surface of the groove, of the notch, and a punching unit is arranged above the through hole; the upper surface of the substrate is provided with a through groove along the length direction of the substrate, the through groove penetrates through the groove and the notch, and the through groove is used for conveying copper wires; the punching unit comprises a cutting module and a punching module, wherein the cutting module is connected with the output end of the first hydraulic cylinder, the cutting module is used for cutting the copper wire, and one end part of the copper wire is punched to be flat by the punching module and a hole is punched. The PIN forming machine can realize the processing and forming of the PIN PIN in one device, and compared with the prior production process and device, the PIN forming machine reduces the processing links, saves the investment of the device and reduces the cost.

Description

Pin forming machine

Technical Field

The invention relates to the field of pin production, in particular to a pin forming machine.

Background

The PIN is widely applied, products such as various electronic elements, connectors, transformer inductors, electronic switches, modularized power supplies, new energy sources of automobiles, medical equipment and the like are guided by the PIN, and most of the PIN is processed by an elastic copper rod with good conductivity. The surface adopts gold plating and silver plating, so as to achieve the purposes of low contact resistance and corrosion resistance.

The PIN PINs are various, the shapes of the PIN PINs are designed according to the use environment, one ends of the shapes of some PIN PINs are flat, the round cake part is provided with a wire connecting hole, the other ends of the PIN PINs are straight, and when the PIN PINs are designed and manufactured, copper wires are cut into a plurality of short bars, and then each short bar is processed one by one; the structural design of the existing production and processing equipment enables PIN contact PIN production and processing to be completed in a plurality of links, namely, raw materials are cut into short bars firstly, then the short bars are collected, then punching and drilling holes are arranged one by one, and the links are matched with processing, so that more equipment is input, and the PIN contact PIN production cost is high.

Accordingly, a pin molding machine is proposed to address the above-described problems.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the pin forming machine comprises a substrate, wherein a groove is formed in the middle of the upper surface of the substrate along the width direction of the substrate, a notch is further formed in one side, located on the groove, of the upper surface of the substrate along the length direction of the substrate, the notch penetrates to the tail end of the substrate, a through hole is formed in the position, close to the inner bottom surface of the groove, of the notch, and a punching unit is arranged above the through hole; the upper surface of the substrate is provided with a through groove along the length direction of the substrate, the through groove penetrates through the groove and the notch, and the through groove is used for conveying copper wires;

the stamping unit comprises a U-shaped supporting frame, a first hydraulic cylinder and a second hydraulic cylinder; two ends of the opening end of the support frame are fixed on the base plate, the inner top surface of the support frame is fixedly connected with a first hydraulic cylinder, and the output end of the first hydraulic cylinder is connected with a cutting module and a punching module;

the cutting module comprises a cutting disc, the cutting disc corresponds to the opening end of the groove, and the cutting disc is used for cutting copper wires;

the punching module comprises a second hydraulic cylinder and a cylinder body, wherein the output end of the second hydraulic cylinder is connected to the inside of the cylinder body in a sliding manner, an ejector rod is arranged at the end part of the output end of the second hydraulic cylinder, and the lower end of the ejector rod can penetrate to the outside of the cylinder body; the column body is used for stamping the copper wire to be flat; the ejector rod is used for punching holes on the flat copper wire; the PIN forming machine can realize the processing and forming of the PIN PIN in one device, and compared with the prior production process and device, the PIN forming machine reduces the processing links, saves the investment of the device and reduces the cost.

Preferably, two rows of discharging wheels are arranged up and down in the notch, the discharging wheels are connected to the inner wall of the notch in a rotating way, and the upper discharging wheel and the lower discharging wheel are used for pushing the cut PIN contact PIN out of the notch; the shaft body of the discharging wheel extends to the inside of the substrate, a motor is arranged in the substrate and drives the discharging wheel to rotate, and the discharging wheel rubs the PIN PINs which are produced completely, so that the PIN PINs are pushed out of the notch in time; the PIN is prevented from being produced, and when the end of the copper wire which is subsequently moved in is ejected, the end of the copper wire is misplaced with the PIN, so that the PIN is not ejected effectively.

Preferably, a feeding mechanism is arranged at one side of the substrate far away from the notch; the feeding mechanism comprises driving wheels, the left side and the right side of the driving wheels are provided with connecting plates which are connected with each other in a vertical rotating mode, the connecting plates are fixed on the ground, motors are fixedly connected to the connecting plates above the connecting plates, and the output ends of the motors penetrate through the connecting plates and are fixedly connected with the driving wheels; the feeding mechanism is arranged at the head end of the substrate, the end part of the copper wire is arranged between the two driving wheels, the driving wheels squeeze and rub the copper wire, the copper wire is fed into the through groove, and then rubbed by the feeding mechanism in the rectangular groove and fed into the notch, so that the smoothness and stability of the movement of the copper wire are ensured.

Preferably, a rectangular groove is further formed in the other side of the upper surface of the substrate, located on the groove, along the length direction of the substrate, two rows of feeding wheels are arranged up and down in the rectangular groove, the feeding wheels are rotationally connected to the inner wall of the rectangular groove, the upper feeding wheel and the lower feeding wheel are used for pushing copper wires to the groove, annular grooves are formed in the outer ring of each feeding wheel, a plurality of friction plates are arranged in the annular grooves, and the friction plates are fixedly arranged in a circumferential array; the rotating shaft of the feeding wheel extends to the inside of the substrate, the motor is arranged in the substrate and drives the feeding wheel to rotate, the feeding wheel rubs the copper wire to push towards the notch direction, the annular groove is arranged on the outer ring of the feeding wheel, the moving path of the copper wire is further restrained, the copper wire is extruded and straightened, the end part of the copper wire is convenient to move forwards, the friction plate is arranged in the annular groove, extrusion pressure between the annular groove and the surface of the copper wire is indirectly increased, friction is increased, and smoothness and stability of movement of the copper wire are improved again.

Preferably, the outer edge of each friction plate is in a concave arc shape, and a plurality of salient points are fixedly connected at the concave edge position of the friction plate; and salient points are arranged at the edge positions of the friction plates, so that the extrusion pressure between the edges of the friction plates and the surfaces of the copper wires is enhanced, and the rubbing stability between the copper wires and the first wheel and the second wheel is enhanced again.

Preferably, the notch is internally and symmetrically provided with L-shaped sliding grooves close to the groove, the sliding grooves are symmetrically arranged on two sides of the through hole, the sliding grooves penetrate through the lower surface of the base plate, the sliding grooves are internally provided with L-shaped extrusion plates, the horizontal ends of the extrusion plates are attached to the inner bottom surface of the notch and slide, and are arranged on two sides of the through hole, the vertical ends of the extrusion plates extend to the lower surface of the base plate, the lower surface of the base plate is symmetrically and fixedly connected with a third hydraulic cylinder, and the output ends of the third hydraulic cylinder are fixedly connected with the vertical ends of the extrusion plates; the end of copper material silk is the flat shape after being extruded by the cylinder, this flat shape edge can extrude at the notch internal surface, and this increases the frictional force between PIN contact PIN and the notch internal surface, influence the removal of PIN contact PIN, the stripper that this set up, before the cylinder does not push down, no. three pneumatic cylinders drive two stripper plates and be close to each other, the horizontal tip of two stripper plates is close to each other, and enclose into the copper material silk and follow-up by the punching press and be the region of flat shape, restraint copper material silk is extruded and is the flat shape back size, and enclose into the region of flat shape and then be less than the width of notch, consequently, the extrusion is then less than the width of notch in the position of flat shape, make things convenient for the PIN contact PIN of production shaping to break away from the notch smoothly.

Preferably, the tail end of the substrate is fixedly connected with a base, and a polishing mechanism is arranged on the base; the polishing mechanism comprises a supporting plate, guide grooves are symmetrically formed in two sides of the upper surface of the base, a screw rod is arranged in the guide grooves, the lower surface of the supporting plate is in transmission connection with the screw rod, a polishing motor is fixedly connected to the supporting plate, the output end of the polishing motor points to a notch, a polishing block is fixedly connected to the output end of the polishing motor, a polishing groove is formed in the end part of the polishing block, the polishing groove is in a circular truncated cone shape, and the diameter of the inner bottom surface of the polishing groove is smaller than that of the notch of the polishing groove; a discharge hole is formed in the middle of the base; after the copper wire is cut off by the cutting disc, burrs remain on the surface of a cut-off opening at the other end of the PIN contact PIN, and the burrs can influence the subsequent use of the PIN contact PIN product; the discharging wheel rubs PIN contact PIN and removes, simultaneously the lead screw passes through external motor drive and rotates, drive the motor of polishing and remove backward, simultaneously the other end cut-off of PIN contact PIN inserts the grinding inslot, the grinding inslot surface is equipped with the granule of polishing, the motor of polishing moves with PIN contact PIN synchronization, PIN contact PIN removes on one side, the other end cut-off of PIN contact PIN is polished by the grinding inslot and is slick and sly awl shape, after polishing, the flat shape position of PIN contact PIN breaks away from the notch, the PIN contact PIN breaks away from the grinding inslot under self gravity, and drop from the relief hole.

Preferably, the polishing block is provided with a plurality of chip removal holes, and the chip removal holes penetrate into the polishing groove; when the grinding groove is used for grinding the other end cut-off port of the PIN contact PIN, generated scraps are thrown out from the chip removal hole, and the scraps are prevented from being deposited in the grinding groove, so that the grinding efficiency and quality are affected.

Preferably, a guide plate is arranged up and down in the notch at a position close to the tail end of the substrate, and the inner end of the guide plate is arranged in a flaring shape; through setting up the deflector, the other end fracture direction of movement of guide PIN contact PIN, introduce the groove of polishing with the other end fracture of PIN contact PIN, guarantee that the other end fracture of PIN contact PIN can be smooth and successfully insert the inslot of polishing.

Preferably, the chip groove is arranged at the fixedly connected position of the base and the base, the chip groove penetrates through the base, the chip groove is communicated with the discharge hole, and the chip groove is arranged, so that the base is convenient for cleaning the chips by polishing, the chips are cleaned to the chip groove, and the chips are collected and cleaned in a concentrated mode.

The invention has the advantages that:

1. the PIN forming machine can realize the processing and forming of the PIN PIN in one device when producing and processing the PIN PIN, and compared with the prior production process and device, the PIN forming machine reduces the processing links, saves the input of the device and reduces the cost.

2. According to the invention, the PIN PINs which are produced are rubbed by the discharging wheel, so that the PIN PINs are pushed out of the notches in time, and the PIN PINs which are produced are prevented from being ejected out due to dislocation between the ends of the copper wires and the PIN PINs when the ends of the copper wires which are subsequently moved in are ejected out.

Drawings

FIG. 1 is a perspective view of a pin molding machine according to a first aspect of the present invention;

FIG. 2 is a perspective view of a second view of the pin molding machine of the present invention;

FIG. 3 is a third perspective view of the pin molding machine of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a front view of the press unit of the present invention;

FIG. 6 is a cross-sectional view of a cylinder in accordance with the present invention;

FIG. 7 is a perspective view of the feed wheel of the present invention;

FIG. 8 is a perspective view of the extrusion plate and column of the present invention;

FIG. 9 is a perspective view of a sanding block of the present invention;

FIG. 10 is a cross-sectional view of a sanding block of the present invention;

FIG. 11 is a cross-sectional view of the mating of the guide plate and notch of the present invention;

FIG. 12 is a top view of a pin molding machine according to the present invention;

fig. 13 is a first perspective view of a stamping unit according to the present invention;

fig. 14 is a second perspective view of the stamping unit of the present invention;

fig. 15 is a third perspective view of the stamping unit of the present invention.

In the figure: 1. a substrate; 2. a groove; 3. a notch; 301. a discharging wheel; 4. a through hole; 5. a through groove; 6. copper wire; 7. a support frame; 8. a first hydraulic cylinder; 81. a first plate; 82. a first rod; 83. a second rod; 84. a sleeve; 85. a support block; 86 cutting the motor; 9. a second hydraulic cylinder; 10. a cutting disc; 11. a column; 111. a first slide hole; 112 number two slide holes; 12. a spring; 13. a push rod; 14. a driving wheel; 15. a splice plate; 16. rectangular grooves; 17. a feed wheel; 171. a rotating shaft; 18. an annular groove; 19. a friction plate; 20. a bump; 21. a chute; 22. an extrusion plate; 23. a third hydraulic cylinder; 24. a base; 25. a supporting plate; 26. a guide groove; 27. polishing a motor; 28. polishing the block; 29. grinding the groove; 30. a discharge hole; 31. chip removal holes; 32. a guide plate; 33. chip removal groove.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Embodiment one:

referring to fig. 1, 2, 3, 4, 5, 6, 13, 14 and 15, the pin forming machine comprises a substrate 1, a groove 2 is formed in the middle of the upper surface of the substrate 1 along the width direction of the substrate 1, a notch 3 is further formed in one side of the upper surface of the substrate 1, which is located on the groove 2, along the length direction of the substrate 1, the notch 3 penetrates to the tail end of the substrate 1, a through hole 4 is formed in the position, close to the inner bottom surface of the groove 2, of the notch 3, and a punching unit is arranged above the through hole 4; the upper surface of the base plate 1 is provided with a through groove 5 along the length direction of the base plate 1, the through groove 5 penetrates through the groove 2 and the notch 3, and the through groove 5 is used for conveying copper wires 6;

the stamping unit comprises a U-shaped supporting frame 7, a first hydraulic cylinder 8 and a second hydraulic cylinder 9; two ends of the opening end of the support frame 7 are fixed on the base plate 1, the inner top surface of the support frame 7 is fixedly connected with a first hydraulic cylinder 8, and the output end of the first hydraulic cylinder 8 is connected with a cutting module and a punching module; specifically, the cutting module and the punching die are driven to move up and down by a first hydraulic cylinder 8;

the cutting module comprises a cutting disc 10, wherein the cutting disc 10 corresponds to the opening end of the groove 2, and the cutting disc 10 is used for cutting the copper wire 6;

the punching module comprises a second hydraulic cylinder 9 and a cylinder 11, wherein the output end of the second hydraulic cylinder 9 is inserted into the cylinder 11 in a sliding manner, a push rod 13 is arranged at the end part of the output end of the second hydraulic cylinder 9, and the lower end of the push rod 13 can penetrate to the outside of the cylinder 11; the column 11 is used for punching the copper wire 6 to be flat; the ejector rod 13 is used for punching holes on the flat copper wire 6;

in a specific implementation of the above scheme, the punching module may further include a first hydraulic cylinder 8, an output end of the first hydraulic cylinder 8 is fixedly connected with a first plate 81, two sides of a lower surface of the first plate 81 are fixedly connected with a first rod 82 respectively, a middle position of a lower surface of the first plate 81 is fixedly connected with a cylinder body of a second hydraulic cylinder 9, an output end of the second hydraulic cylinder 9 is slidably connected inside the cylinder 11, a first slide hole 111 and a second slide hole 112 are specifically formed in an inner axis position of the cylinder 11 up and down, a diameter of the first slide hole 111 is larger than that of the second slide hole 112, a depth of the first slide hole 111 is half of a height of the cylinder 11, an output end of the second hydraulic cylinder 9 can move up and down in the first slide hole 111, a push rod 13 can slide up and down between the first slide hole 111 and the second slide hole 112, a spring 12 is arranged between the output end of the second hydraulic cylinder 9 and an inner bottom of the first slide hole 111, and an end of the push rod 13 penetrates through the spring 12; the outer surface of the column 11 is fixedly connected with a cutting motor 86, and the output end of the cutting motor 86 is fixedly connected with a cutting disc 10; two sides of the cylinder body of the second hydraulic cylinder 9 are symmetrically provided with a second rod 83, the upper end of the second rod 83 is fixedly connected with a first plate 81, and the lower end of the second rod 83 is fixedly connected with the outer surface wall of the cylinder 11; the lower end of the first rod 82 is sleeved with a sleeve 84, the upper end of the sleeve 84 is fixedly connected with a supporting block 85, the second rod 83 penetrates through the supporting block 85 in a sliding manner, and the lower end of the sleeve 84 is fixedly connected to the base plate 1;

the copper wire 6 moves along the through groove 5, the end part of the copper wire 6 passes over the position above the through hole 4, and the passing length is the length of the PIN contact PIN to be produced and processed; firstly, driving a first hydraulic cylinder 8 to push down a first plate 81, driving a second hydraulic cylinder 9 and a column 11 to move downwards by the first plate 81, moving a second rod 83 to the depth of a sleeve 84 in the downward movement process, cutting a copper wire 6 by a cutting disc 10, and then continuing to move down the first plate 81, wherein the cutting disc 10 stretches into a groove 2; the cylinder 11 is supported by the second rod 83, the cylinder 11 punches the cut end part of the copper wire 6 into a flat shape, then the output end of the first hydraulic cylinder 8 is controlled to be stopped and is driven to be stopped, the second hydraulic cylinder 9 is driven, the output end of the second hydraulic cylinder 9 is pressed down to the ejector rod 13, the lower end of the ejector rod 13 extends out of the lower part of the second sliding hole 112, the lower end of the ejector rod 13 punches a wire connecting hole at the flat part of the copper wire 6, the punched redundant waste is discharged along the through hole 4, at the moment, one PIN contact PIN is produced, the copper wire 6 moves along the through groove 5, and the actions are circulated; the PIN forming machine can realize the processing and forming of the PIN PIN in one device, and compared with the prior production process and device, the PIN forming machine reduces the processing links, saves the investment of the device and reduces the cost.

Referring to fig. 11 and 12, two rows of discharging wheels 301 are arranged up and down in the notch 3, the discharging wheels 301 are rotatably connected to the inner wall of the notch 3, and the discharging wheels 301 are used for pushing the cut copper wire 6 out of the notch 3; the shaft body of the discharging wheel 301 extends into the substrate 1, a motor is arranged in the substrate 1 and drives the discharging wheel 301 to rotate, the discharging wheel 301 rubs the PIN PINs which are produced completely, and the PIN PINs are pushed out of the notch 3 in time; the PIN is prevented from being produced, and when the end of the copper wire 6 which is subsequently moved in is ejected, the end of the copper wire 6 is misplaced with the PIN, so that the PIN is not ejected.

Referring to fig. 1 and 2, a feeding mechanism is arranged on one side of the substrate 1 away from the notch 3; the feeding mechanism comprises a driving wheel 14, the left side and the right side of the driving wheel 14 are provided, the driving wheel 14 is connected with a connecting plate 15 in a vertical rotating way, the connecting plate 15 is fixed on the ground, a motor is fixedly connected to the connecting plate 15 above, and the output end of the motor penetrates through the connecting plate 15 and is fixedly connected with the driving wheel 14; the feeding mechanism is arranged at the head end of the substrate 1, the end part of the copper wire 6 is arranged between the two driving wheels 14, the driving wheels 14 squeeze and rub the copper wire 6, the copper wire 6 is fed into the through groove 5, and then rubbed by the feeding mechanism in the rectangular groove 16 and fed into the notch 3, so that the smoothness and stability of the movement of the copper wire 6 are ensured.

Referring to fig. 2, 7 and 12, a rectangular groove 16 is further formed on the upper surface of the substrate 1 along the length direction of the substrate 1 and located at the other side of the groove 2, two rows of feeding wheels 17 are arranged on the rectangular groove 16 up and down, the feeding wheels 17 are rotatably connected to the inner wall of the rectangular groove 16, the feeding wheels 17 are used for pushing the copper wire 6 to the position of the groove 2 up and down, annular grooves 18 are formed on the outer ring of each feeding wheel 17, a plurality of friction plates 19 are arranged on the annular grooves 18, and the friction plates 19 are fixedly arranged in a circumferential array; the rotating shaft 171 of the feeding wheel 17 extends to the inside of the substrate 1, a motor is arranged in the substrate 1 and drives the feeding wheel 17 to rotate, the feeding wheel 17 rubs the copper wire 6 to push towards the notch 3, an annular groove 18 is arranged on the outer ring of the feeding wheel 17 to further restrict the moving path of the copper wire 6, the copper wire 6 is extruded and straightened, the end part of the copper wire 6 is convenient to move forwards, meanwhile, a friction plate 19 is arranged in the annular groove 18, the extrusion pressure between the annular groove 18 and the surface of the copper wire 6 is indirectly increased, friction is increased, and the smoothness and stability of the movement of the copper wire 6 are improved again.

Referring to fig. 7, the outer edge of each friction plate 19 is in a concave arc shape, and a plurality of protruding points 20 are fixedly connected at the concave edge position of the friction plate 19; the salient points 20 are arranged at the edge positions of the friction plates 19, so that the extrusion pressure between the edges of the friction plates 19 and the surface of the copper wire 6 is enhanced, and the rubbing stability between the copper wire 6 and the first wheel and the second wheel is enhanced again.

Referring to fig. 3, fig. 4, fig. 8 and fig. 15, the position in the recess 3 near the groove 2 is symmetrically provided with an L-shaped chute 21, the chute 21 is symmetrically arranged at two sides of the through hole 4, the chute 21 penetrates through the lower surface of the base plate 1, the chute 21 is internally provided with an L-shaped extrusion plate 22, the horizontal end of the extrusion plate 22 is attached to the inner bottom surface of the recess 3 to slide and is arranged at two sides of the through hole 4, the vertical end of the extrusion plate 22 extends to the lower surface of the base plate 1, the lower surface of the base plate 1 is symmetrically and fixedly connected with a third hydraulic cylinder 23, and the output end of the third hydraulic cylinder 23 is fixedly connected with the vertical end of the extrusion plate 22; the end of copper wire 6 is the flat shape after being extruded by cylinder 11, this flat shape edge can extrude at notch 3 internal surface, and this increases the frictional force between PIN contact PIN and the notch 3 internal surface, influence the removal of PIN contact PIN, the stripper plate 22 that this set up, before cylinder 11 does not push down, no. three pneumatic cylinder 23 drive two stripper plates 22 are close to each other, the horizontal tip of two stripper plates 22 is close to each other, and enclose into copper wire 6 follow-up by the punching press and take shape the region of flat shape, restraint copper wire 6 is extruded and takes shape the back size of flat shape, and the region of enclosing takes shape is then be less than the width of notch 3, consequently, the extrusion takes shape the position then be less than the width of notch 3, make things convenient for the PIN contact PIN of production shaping to break away from notch 3 smoothly.

Referring to fig. 1, 2, 9 and 10, a base 24 is fixedly connected to the end of the substrate 1, and a polishing mechanism is arranged on the base 24; the polishing mechanism comprises a supporting plate 25, guide grooves 26 are symmetrically formed in two sides of the upper surface of a base 24, a screw rod is arranged in the guide grooves 26, the lower surface of the supporting plate 25 is in transmission connection with the screw rod, a polishing motor 27 is fixedly connected to the supporting plate 25, the output end of the polishing motor 27 points to a notch 3, a polishing block 28 is fixedly connected to the output end of the polishing motor 27, a polishing groove 29 is formed in the end part of the polishing block 28, the polishing groove 29 is in a circular truncated cone shape, and the diameter of the inner bottom surface of the polishing groove 29 is smaller than that of the notch of the polishing groove 29; a discharge hole 30 is formed in the middle of the base 24; after the copper wire 6 is cut off by the cutting disc 10, burrs remain on the surface of a cut-off opening at the other end of the PIN contact PIN, and the burrs can influence the subsequent use of the PIN contact PIN product; the discharging wheel 301 rubs the PIN contact PIN to move, and simultaneously the screw rod drives to rotate through an external motor, drives the polishing motor 27 to move backwards, and simultaneously the other end cutting port of the PIN contact PIN is inserted into the polishing groove 29, polishing particles are arranged on the inner surface of the polishing groove 29, the polishing motor 27 and the PIN contact PIN synchronously move, the other end cutting port of the PIN contact PIN moves on one side, the other end cutting port of the PIN contact PIN is polished by the polishing groove 29 to be in a smooth cone shape, after polishing, the flat shape part of the PIN contact PIN is separated from the notch 3, and the PIN contact PIN is separated from the polishing groove 29 under the self gravity and falls from the discharging hole 30.

Referring to fig. 9 and 10, the grinding block 28 is provided with a plurality of chip removing holes 31, and the chip removing holes 31 penetrate into the grinding groove 29; when the grinding groove 29 grinds the other end cut-off port of the PIN, generated scraps are thrown out from the scraps discharging hole 31, and the scraps are prevented from being deposited in the grinding groove 29, so that the grinding efficiency and quality are affected.

Referring to fig. 11, a guide plate 32 is arranged up and down in the notch 3 at a position close to the tail end of the substrate 1, and the inner end of the guide plate 32 is arranged in a flaring shape; through setting up deflector 32, the other end fracture direction of movement of guide PIN contact PIN, the other end fracture of guide PIN contact PIN is introduced into grinding groove 29, guarantees that the other end fracture of guide PIN contact PIN can be smooth and successfully insert in the grinding groove 29.

Embodiment two:

referring to fig. 12, in a first comparative example, as another embodiment of the present invention, a chip groove 33 is formed at a position where the base 24 is fixedly connected to the substrate 1, the chip groove 33 penetrates through the base 24, the chip groove 33 is communicated with the discharge hole 30, and by providing the chip groove 33, the cleaning of the polished chips on the base 24 is facilitated, the chips are cleaned to the position of the chip groove 33, and the chips are collected and cleaned in a concentrated manner.

Working principle: the end part of the copper wire 6 is arranged between two driving wheels 14, the driving wheels 14 squeeze and rub the copper wire 6, the copper wire 6 is sent into the through groove 5 and then extends into the rectangular groove 16, the motor drives the feeding wheel 17 to rotate, the feeding wheel 17 rubs the copper wire 6 to push towards the notch 3, the end part of the copper wire 6 passes over the position above the through hole 4, and the passing length is the length of the PIN contact PIN to be produced and processed; firstly, driving a first hydraulic cylinder 8 to push down a first plate 81, driving a second hydraulic cylinder 9 and a column 11 to move downwards by the first plate 81, moving a second rod 83 to the depth of a sleeve 84 in the downward movement process, cutting a copper wire 6 by a cutting disc 10, and then continuing to move down the first plate 81, wherein the cutting disc 10 stretches into a groove 2; the cylinder 11 is supported by the second rod 83, the cylinder 11 punches the cut end part of the copper wire 6 into a flat shape, then the output end of the first hydraulic cylinder 8 is controlled to be stopped and is driven to be stopped, the second hydraulic cylinder 9 is driven, the output end of the second hydraulic cylinder 9 is pressed down to the ejector rod 13, the lower end of the ejector rod 13 extends out of the lower part of the second sliding hole 112, the lower end of the ejector rod 13 punches a wire connecting hole at the flat part of the copper wire 6, the punched redundant waste is discharged along the through hole 4, at the moment, one PIN contact PIN is produced, the copper wire 6 moves along the through groove 5, and the actions are circulated; after the PIN PIN is produced, the discharging wheel 301 rubs the PIN PIN, pushes the PIN PIN out of the notch 3 in time, and polishes the cut surface of the PIN PIN into a smooth cone shape; the discharging wheel 301 rubs the PIN contact PIN to move, and simultaneously the screw rod drives to rotate through an external motor, drives the polishing motor 27 to move backwards, and simultaneously the other end cutting port of the PIN contact PIN is inserted into the polishing groove 29, polishing particles are arranged on the inner surface of the polishing groove 29, the polishing motor 27 and the PIN contact PIN synchronously move, the other end cutting port of the PIN contact PIN moves on one side, the other end cutting port of the PIN contact PIN is polished by the polishing groove 29 to be in a smooth cone shape, after polishing, the flat shape part of the PIN contact PIN is separated from the notch 3, and the PIN contact PIN is separated from the polishing groove 29 under the self gravity and falls from the discharging hole 30.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a contact pin make-up machine which characterized in that: the novel plastic packaging structure comprises a substrate (1), wherein a groove (2) is formed in the middle of the upper surface of the substrate (1) along the width direction of the substrate (1), a notch (3) is formed in one side of the upper surface of the substrate (1) which is positioned on the groove (2) along the length direction of the substrate (1), the notch (3) penetrates to the tail end of the substrate (1), a through hole (4) is formed in the position, close to the inner bottom surface of the groove (2), of the notch (3), and a punching unit is arranged above the through hole (4); the upper surface of the substrate (1) is provided with a through groove (5) along the length direction of the substrate (1), the through groove (5) penetrates through the groove (2) and the notch (3), and the through groove (5) is used for conveying copper wires (6);

the stamping unit comprises a U-shaped supporting frame (7), a first hydraulic cylinder (8) and a second hydraulic cylinder (9); two ends of the opening end of the support frame (7) are fixed on the base plate (1), the inner top surface of the support frame (7) is fixedly connected with a first hydraulic cylinder (8), and the output end of the first hydraulic cylinder (8) is connected with a cutting module and a punching module;

the cutting module comprises a cutting disc (10), wherein the cutting disc (10) corresponds to the opening end of the groove (2), and the cutting disc (10) is used for cutting copper wires (6);

the punching module comprises a second hydraulic cylinder (9) and a cylinder body (11), wherein the output end of the second hydraulic cylinder (9) is connected to the inside of the cylinder body (11) in a sliding mode, a push rod (13) is arranged at the end portion of the output end of the second hydraulic cylinder (9), and the lower end of the push rod (13) can penetrate through the outside of the cylinder body (11); the column body (11) is used for stamping the copper wire (6) to be flat; the ejector rod (13) is used for punching holes on the flat copper wire (6);

a base (24) is fixedly connected to the tail end of the base plate (1), and a polishing mechanism is arranged on the base (24); the polishing mechanism comprises a supporting plate (25), guide grooves (26) are symmetrically formed in two sides of the upper surface of a base (24), a screw rod is arranged in the guide grooves (26), the lower surface of the supporting plate (25) is in transmission connection with the screw rod, a polishing motor (27) is fixedly connected to the supporting plate (25), the output end of the polishing motor (27) points to a notch (3), a polishing block (28) is fixedly connected to the output end of the polishing motor (27), a polishing groove (29) is formed in the end part of the polishing block (28), the polishing groove (29) is in a circular truncated cone shape, and the diameter of the inner bottom surface of the polishing groove (29) is smaller than the diameter of a notch of the polishing groove (29); a discharge hole (30) is formed in the middle of the base (24);

a plurality of chip removal holes (31) are formed in the polishing block (28), and the chip removal holes (31) penetrate into the polishing groove (29);

a guide plate (32) is arranged in the notch (3) at a position close to the tail end of the substrate (1) up and down, and the inner end surface of the guide plate (32) is arranged in a flaring shape;

chip grooves (33) are formed in the fixedly connected position of the base (24) and the substrate (1), the chip grooves (33) penetrate through the base (24), and the chip grooves (33) are communicated with the discharge holes (30).

2. A pin molding machine as defined in claim 1, wherein: two rows of discharging wheels (301) are arranged in the notch (3) up and down, the discharging wheels (301) are rotatably connected to the inner wall of the notch (3), and the discharging wheels (301) are used for pushing the cut PIN PINs out of the notch (3).

3. A pin molding machine as defined in claim 1, wherein: a feeding mechanism is arranged at one side of the substrate (1) far away from the notch (3); the feeding mechanism comprises driving wheels (14), wherein the left side and the right side of the driving wheels (14) are provided with connecting plates (15) which are connected with each other in a vertical rotating mode, the connecting plates (15) are fixed on the ground, motors are fixedly connected to the connecting plates (15) above the connecting plates, and the output ends of the motors penetrate through the connecting plates (15) and are fixedly connected with the driving wheels (14).

4. A pin molding machine as defined in claim 1, wherein: the upper surface of base plate (1) is located the opposite side of recess (2) and has still seted up rectangular channel (16) along base plate (1) length direction, and rectangular channel (16) are equipped with two rows of feed wheels (17) from top to bottom, and feed wheel (17) rotate and connect on the inner wall of rectangular channel (16), and from top to bottom feed wheel (17) are used for pushing copper wire (6) to recess (2) position, annular channel (18) are respectively seted up in feed wheel (17) outer lane, and annular channel (18) are equipped with a plurality of friction plates (19), and friction plate (19) are circumference array fixed setting.

5. The pin molding machine of claim 4, wherein: the outer edge of each friction plate (19) is in a concave arc shape, and a plurality of salient points (20) are fixedly connected at the concave edge position of each friction plate (19).

6. A pin molding machine as defined in claim 1, wherein: the groove (3) is internally provided with L-shaped sliding grooves (21) which are symmetrically arranged at positions close to the grooves (2), the sliding grooves (21) are symmetrically arranged at two sides of the through holes (4), the sliding grooves (21) penetrate through the lower surface of the base plate (1), the sliding grooves (21) are internally provided with L-shaped extrusion plates (22), the horizontal ends of the extrusion plates (22) are attached to the inner bottom surface of the groove (3) to slide, the horizontal ends of the extrusion plates are arranged at two sides of the through holes (4), the vertical ends of the extrusion plates (22) extend to the lower surface of the base plate (1), the lower surface of the base plate (1) is symmetrically fixedly connected with a third hydraulic cylinder (23), and the output ends of the third hydraulic cylinder (23) are fixedly connected with the vertical ends of the extrusion plates (22).