CN208191140U - A high-speed needle insertion mechanism - Google Patents

Abstract

The utility model discloses a high-speed PIN inserting mechanism, which comprises a frame, a main mounting frame, a longitudinal driving motor, a feeding device, a wire guiding device, a cam type longitudinal driving device, a wire feeding roller device, a wire clamping device, a wire cutting device, a direct insertion press mounting device and a bending press mounting device, wherein the main mounting frame is arranged on the frame, the feeding device and the wire guiding device are respectively arranged on the top of the frame, the wire guiding device, the wire feeding roller device and the direct insertion press mounting device are sequentially arranged from top to bottom, the longitudinal driving motor is in transmission connection with the wire cutting device, the wire clamping device and the direct insertion press mounting device through the cam type longitudinal driving device, the direct insertion press mounting device can move up and down relative to the main mounting frame, the wire cutting device is arranged on two sides of the direct insertion press mounting device, the bending press mounting device is arranged on the bottom end of the main mounting frame, the PIN inserting mechanism integrates automatic feeding, and the PIN can be inserted with a bent PIN and can be suitable for the insertion of the PIN with a larger length range.

Description

A high-speed needle insertion mechanism

technical field

The utility model relates to the technical field of automatic pin insertion equipment, in particular to a high-speed pin insertion mechanism.

Background technique

In the process of PCB board production, it is sometimes necessary to assemble a large number of PIN pins on the PCB board, and the PIN pin is a metal pin with a smaller size. The traditional PIN pin assembly process is to manually insert the purchased metal pins into the pin holes of the PCB board one by one, and then press the metal pins tightly through the clamp, or insert the PCB board with the metal pins Placed on a small stamping machine to press metal needles tightly, the traditional method has low work efficiency, high production costs, and difficult to guarantee product quality. In recent years, with the development of science and technology, some automatic pin insertion devices for PIN pins have appeared on the market, but the existing automatic pin insertion devices for PIN pins can only be inserted with straight PIN pins or curved PIN pins alone. Pins, one device cannot be inserted into both straight PIN pins and curved PIN pins, which increases the purchase cost of the device and occupies a large space.

Utility model content

The purpose of the utility model is to overcome the above-mentioned defects in the prior art, and provide a high-speed pin-inserting mechanism integrating automatic feeding, thread cutting, pin-inserting and bending functions.

In order to achieve the above purpose, the utility model provides a high-speed needle insertion mechanism, including a frame, a main mounting frame, a longitudinal drive motor, a feeding device for supplying steel wires, and a vertically conveying steel wires downwards to The wire device of the wire feeding roller device, the cam type longitudinal driving device used to drive the wire cutting device, the wire clamping device and the in-line pressing device, the wire feeding roller device used to provide power for the delivery of the steel wire, used to feed the wire The clamping device for clamping the steel wire delivered by the roller device, the thread cutting device for cutting the steel wire into steel needles, the in-line pressing device for inserting the steel needles directly into the PCB board, and the in-line pressing device for cutting the steel needles A bending and press-fitting device that bends the needle and inserts it on the PCB board, the main mounting frame is installed on the frame, and the longitudinal drive motor is installed on the top of the main mounting frame and connected to the main mounting frame inside The cam type longitudinal driving device is connected by transmission, the feeding device and the wire device are respectively installed on the top of the frame, the wire device is located on one side of the feeding device, and the wire feeding roller device is installed on the main mounting On the front panel, the in-line press-fitting device is slidingly connected to the front panel of the main mounting frame and can move up and down relative to the main mounting frame. Between the boards, the wire device, the wire feeding roller device and the in-line press-fit device are arranged sequentially from top to bottom, the thread-cutting device is located on both sides of the in-line press-fit device, and the bending press-fit device is located in the main The bottom end of the mounting frame is also connected between the in-line press-fitting device and the main mounting frame, and the cam type longitudinal driving device is transmission-connected with the thread cutting device, the clamping device and the in-line press-fitting device.

As a preferred embodiment, the feeding device includes a wire wheel bracket, a pay-off wheel and a tension wheel, the pay-off wheel is installed on the wire wheel bracket through the pay-off wheel shaft, and the tension wheel is mounted on the wire wheel shaft through the tension wheel shaft. It is arranged on the wire wheel bracket and is located on the discharge side of the pay-off wheel; the wire device includes a wire bracket, a wire wheel with a grating disc, a photoelectric sensor, a first correction wheel group and a second correction wheel group, and the wire The wheel, the first correction wheel group and the second correction wheel group are sequentially installed on the wire support from top to bottom. The photoelectric sensor is installed on the wire support and is located on the side of the grating disk. The first correction wheel The group is perpendicular to the direction of the second correction wheel group.

As a preferred embodiment, the cam type longitudinal driving device includes a transmission shaft, a pin driving cam, a pin swing arm, a pin roller, a pin swing arm link, a thread tension driving cam, and a thread tension swing arm support seat , thread clamping swing arm, thread clamping swing arm rolling element, left tangential driving cam, left tangential main arm, left bearing connection seat, left tangential rolling element, left tangential swing arm, right tangential driving cam, right tangential main arm, right bearing Connecting seat, right tangent roller and right tangent swing arm, the transmission shaft is longitudinally installed inside the main installation frame, the upper end of the transmission shaft is connected with the longitudinal drive motor, the pin drives the cam, and the thread tension drives The cam, the right tangential driving cam and the left tangential driving cam are installed on the transmission shaft in sequence from top to bottom, and the pin rolling part is installed on the pin swing arm and inserted into the outer ring track groove of the pin driving cam Among them, one end of the pin swing arm passes through the front surface of the main mounting frame and is connected to the in-line press-fitting device through the pin swing arm connecting rod, and the clamping swing arm is fixedly connected to the main mounting frame. The supporting seat of the thread clamping swing arm is installed on one side of the thread clamping driving cam, and the rolling part of the thread clamping swing arm is installed on the thread clamping swing arm and contacts with the outer wall of the thread clamping driving cam. One end of the arm passes through the front surface of the main mounting frame and is connected to the wire clamping device in transmission, and one end of the left tangential main arm and the left tangential swing arm are respectively connected to the rotating shaft of the left bearing connecting seat fixed with the main mounting frame, The left thread tangent roller is mounted on the left thread tangent main arm and contacts the outer wall of the left tangent driving cam, and the other end of the left tangent swing arm passes through the front plate surface of the main installation frame and drives the left thread tangent device. connected, one end of the right tangential active arm and the right tangential swing arm are respectively connected to the rotating shaft of the right bearing connection seat fixed with the main installation frame, and the right tangential rolling element is installed on the right tangential active arm and is connected with the right tangential The outer side wall of the driving cam is in contact, and the other end of the right thread cutting swing arm passes through the front plate surface of the main installation frame and is in transmission connection with the thread cutting device on the right side.

As a preferred embodiment, the wire feeding roller device includes a first wire feeding roller gear, a second wire feeding roller gear and a wire feeding driving motor, and the first wire feeding roller gear and the second wire feeding roller gear are respectively installed On the front surface of the main installation frame, the first wire feeding rolling gear is located on the side of the second wire feeding rolling gear, and the wire feeding driving motor is connected with the first wire feeding rolling gear and drives it to rotate.

As a preferred embodiment, the in-line press-fitting device includes a pin sliding block, a pin longitudinal slide rail, a base, a pivot seat, a pin, a needle pressing rod, and a needle pressing rod rolling element, and the pin sliding block and The pin longitudinal slide rail installed on the front surface of the main mounting bracket is slidably connected, the pin sliding block is driven by the cam type longitudinal driving device to move up and down, and the pivot joint seat is installed on the pin slide through the base. On the block, the needle press rod is rotatably mounted on the pivot seat through a pin, a return spring is installed between the upper end of the needle press rod and the pivot seat, and the needle press rod rolling element is installed on the press The side of the needle bar rolling member is in contact with the opening and closing driving block of the pressing bar fixed on one of the thread cutting devices.

As a preferred embodiment, the thread clamping device includes an unclamp swing arm, an unclamp swing arm rolling element, an unclamp transverse slide rail, an unclamp traverse block, a longitudinal groove seat, a slider mounting seat, an unclamp slider, Connecting block, slider swing arm, left clamping slider, right clamping slider, left clamping head and right clamping head. Rail sliding connection, the clamping and traversing block is driven by the cam type longitudinal drive device to move horizontally left and right, the longitudinal groove seat is installed on the clamping and traversing block, and the rolling part of the clamping swing arm is installed on the opening The upper end of the clip swing arm is movably installed in the longitudinal chute of the longitudinal groove seat, the slider mounting seat is installed on the pin slider, and the clip opening slider, left clip slider and right clip slider are respectively It is movably installed in the corresponding transverse chute of the slider mounting seat, the clip-opening slider is located above the left clip slider and the right clip slider, and the clip-opening slider is connected with the left clip slider through a connecting block, The clip opening slider is connected with the right clip slider through the slider swing arm, the left clip is installed on the left clip slider, the right clip is installed on the right clip slider, and the opening The lower end of the clip swing arm passes through the base and is inserted into the insertion slot provided on the top of the clip-opening slider.

As a preferred embodiment, the two thread cutting devices each include a cutter holder, a cover plate, a cutter slider, a cutter, a baffle and an adjusting screw, and the cutter holder is installed on the front of the main installation frame. On the board surface, the cutter slider and the cutter are movably installed in the transverse chute of the cutter fixing seat, the cutter slider is driven by the cam type longitudinal driving device to move left and right laterally, and the baffle is installed At the outer end of the cutter slider, the adjusting screw is arranged on the baffle and connected with the outer end of the cutter, and the cover plate is arranged on the front of the cutter fixing seat.

As a preferred embodiment, the bending and pressing device includes a pressing rod mounting seat, a bending pressing rod, a bending pressing rod rolling element, a bending groove block and a bending groove fixing seat, and the pressing rod mounting seat is installed On the pin sliding block, the bending pressure rod is movably installed in the hole of the pressure rod mounting seat, the front end of the bending pressure rod is provided with a bending head, and the bending groove block is fixed through the bending groove The seat is installed on the main installation frame, and the rolling part of the bending pressing bar is installed on the rear end of the bending pressing bar and is movably installed in the bending track groove opened on the bending groove block.

As a preferred embodiment, the front surface of the main installation frame is equipped with a first wire conduit located between the wire device and the wire feeding roller device and a second wire conduit located between the wire feeding roller device and the in-line press-fitting device. Conduits, the first conduit and the second conduit are respectively fixedly connected to the front surface of the main installation frame through conduit fixing seats, and an upper wire nipple and a lower wire nipple are installed between the two thread cutting devices.

As a preferred embodiment, a height adjustment slider is installed on the back plate of the main installation frame, and a height adjustment longitudinal slide rail is installed on the frame, and the main installation frame is connected to the frame through the height adjustment slider The height adjustment vertical slide rail is slidingly connected, and a handwheel type lifting adjustment device is installed between the main installation frame and the frame.

Compared with the prior art, the utility model has the beneficial effects of:

1. The utility model is equipped with a frame, a main mounting frame, a longitudinal drive motor, a feeding device, a wire device, a cam type longitudinal drive device, a wire feeding roller device, a thread clamping device, a thread cutting device, an in-line pressing device and a folding device. The curved press-fitting device is easy to operate and integrates the functions of automatic feeding, thread cutting, pin insertion and bending, so that the same device can be inserted into straight PIN pins and curved PIN pins, improving Improve work efficiency, reduce equipment procurement costs and labor costs, save floor space, and enhance market competitiveness.

2. The height position of the main part of the insertion pin of the utility model can be adjusted longitudinally on the frame, so that the length of the steel pin to be cut can be set by adjusting the height, and the utility model can adapt to the insertion of PIN pins with a larger length range.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present utility model. Those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is a schematic structural view of the high-speed pin insertion mechanism provided by the utility model;

Fig. 2 is a structural schematic diagram II of the high-speed pin insertion mechanism provided by the utility model;

Fig. 3 is a partial structural exploded view of the high-speed pin insertion mechanism provided by the utility model;

Fig. 4 is a structural schematic diagram of the main part of the pin insertion mechanism of the high-speed pin insertion mechanism provided by the utility model;

Fig. 5 is a structural schematic diagram II of the main part of the pin insertion mechanism of the high-speed pin insertion mechanism provided by the utility model;

Fig. 6 is a structural schematic diagram of the wire part of the high-speed pin insertion mechanism provided by the utility model;

Fig. 7 is a schematic structural view of the cam type longitudinal driving device provided by the utility model;

Fig. 8 is an assembly drawing of the thread clamping device, the in-line pressing device and the thread cutting device provided by the utility model;

Fig. 9 is an exploded view of the head structure of the in-line press-fitting device provided by the utility model;

Fig. 10 is an exploded view of part of the structure of the clamping device provided by the present invention;

Fig. 11 is an exploded view of part of the structure of the thread cutting device provided by the utility model;

Fig. 12 is an enlarged view of the partial structure of the main part of the pin insertion mechanism of the high-speed pin insertion mechanism provided by the utility model;

Fig. 13 is an assembly diagram of the bending and pressing device provided by the utility model and the pin sliding block.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1, Figure 5 and Figure 12, the embodiment of the present utility model provides a high-speed needle insertion mechanism, including a frame 1, a main mounting frame 2, a longitudinal drive motor 3, and a feeding device for supplying steel wire 4. The wire device 5 for vertically conveying the steel wire downward to the wire feeding roller device 10, the cam type longitudinal driving device 9 for driving the wire cutting device 6, the wire clamping device 7 and the in-line press-fitting device 8, with For the wire feeding roller device 10 that provides power for the delivery of the steel wire, the wire clamping device 7 for clamping the steel wire delivered by the wire feeding roller device 10, and the wire cutting device 6 for cutting the steel wire into steel needles , an in-line press-fitting device 8 for inserting steel needles directly onto the PCB, a bending press-fitting device 11 for bending the steel needles and inserting them on the PCB, the main mounting frame 2 is installed on the machine On the frame 1, the longitudinal driving motor 3 is installed on the top of the main mounting frame 2 and is connected with the cam type longitudinal driving device 9 located inside the main mounting frame 2, and the feeding device 4 and the wire device 5 are installed on the frame 1 respectively. The wire device 5 is located on one side of the feeding device 4, the wire feeding roller device 10 is installed on the front surface of the main installation frame 2, and the in-line press-fitting device 8 is slidingly connected to the front surface of the main installation frame 2 And can move up and down relative to the main mounting frame 2, the wire clamping device 7 is connected between the front plate surface of the in-line pressing device 8 and the main mounting frame 2, the wire device 5, the wire feeding roller device 10 and the in-line pressing device 8 are arranged in order from top to bottom, the thread cutting device 6 is located on both sides of the in-line press-fitting device 8, the bending press-fitting device 11 is located at the bottom of the main installation frame 2 and is connected between the in-line press-fitting device 8 and the main installation frame 2 Between them and driven by the in-line press-fitting device 8, the cam-type longitudinal driving device 9 is connected with the thread cutting device 6, the clamping device 7 and the in-line press-fitting device 8.

Each component of this embodiment will be described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1, Fig. 2 and Fig. 3, feeding device 4 comprises wire wheel support 41, pay-off wheel 42 and tension pulley 43, and pay-off wheel 42 is installed on the wire wheel support 41 by pay-off wheel axle, prepares steel The required steel wire of needle (being PIN pin) is wound on the pay-off wheel 42, and the tension wheel 43 is arranged on the line wheel support 41 by the tension wheel shaft and is positioned at the discharge side of the line wheel 42.

As shown in Fig. 4 and Fig. 6, guide wire device 5 comprises guide wire bracket 51, guide wheel 53 with grating disc 52, photoelectric sensor 54, first correction wheel group 55 and second correction wheel group 56, guide wheel 53, The first correction wheel set 55 and the second correction wheel set 56 are sequentially installed on the wire support 51 from top to bottom, and the photoelectric sensor 54 is installed on the lead support 51 and is located at the side of the grating disc 52 and is connected to the controller electric connected, the photoelectric sensor 54 can cooperate with the grating disc 52 to detect the length and speed of the steel wire transmission, so that the thread cutting device can cut steel needles of different lengths according to actual needs, the first correction wheel set 55 and the second correction wheel set 56 The direction is perpendicular to each other, the first correction wheel set 55 and the second correction wheel set 56 both include a vertical plate and two rows of spaced correction wheels mounted on the vertical plate, the clamping gap of the first correction wheel set 55 is the same as that of the second The clamping clearance of the correction wheel set 56 is corresponding, and the distribution of the first correction wheel set 55 and the second correction wheel set 56 is beneficial to eliminate the stress of the steel wire.

As shown in Figures 3 and 4, the wire feeding roller device 10 includes a first wire feeding roller gear 101, a second wire feeding roller gear 102 and a wire feeding driving motor 103, and the first wire feeding roller gear 101 and the second wire feeding roller gear The gears 102 are mounted on the front surface of the main mounting frame 2 respectively. The first wire feeding rolling gear 101 is located on the side of the second wire feeding rolling gear 102. The teeth of the first wire feeding rolling gear 101 are aligned with the second wire feeding The teeth of the rolling gear 102 are meshed, the steel wire can be transported between the first wire feeding rolling gear 101 and the second wire feeding rolling gear 102, and the wire feeding driving motor 103 can use a belt+pulley transmission assembly to roll with the first wire feeding rolling gear. The gear 101 is connected by transmission and drives it to rotate, thereby driving the first wire feeding rolling gear 101 and the second wire feeding rolling gear 102 to drive the steel wire to be conveyed downward.

As shown in Figure 5 and Figure 7, the cam type longitudinal driving device 9 includes a transmission shaft 91, a pin driving cam 92, a pin swing arm 93, a pin rolling member 94, a pin swing arm connecting rod 95, and a thread tension driving cam 96. Thread clamping swing arm support seat 97, thread clamping swing arm 98, thread clamping swing arm rolling member 99, left tangent drive cam 910, left tangent main arm 911, left bearing connection seat 912, left tangent rolling member 913, left tangent Swing arm 914, right tangential driving cam 915, right tangential active arm 916, right bearing connecting seat 917, right tangential rolling member 918 and right tangential swing arm 919, and the two ends of drive shaft 91 are vertically installed on the main mounting frame 2 through bearings respectively Inside, the upper end of the transmission shaft 91 is connected with the longitudinal drive motor 3 and is driven to rotate by the longitudinal drive motor 3, the pin drive cam 92, the thread tension drive cam 96, the right tangent drive cam 915 and the left tangent drive cam 910 from top to bottom The bottom is installed on the transmission shaft 91 in turn, the pin rolling member 94 is installed on the pin swing arm 93 and inserted into the outer ring track groove 921 (with high and low positions) of the pin drive cam 92, the pin swing arm One end of 93 passes through the front surface of the main installation frame 2 and is connected to the in-line press-fitting device 8 through the pin swing arm connecting rod 95. When the pin driving cam 92 rotates, the pin driving cam 92 can drive the pin The swing arm 93 swings up and down, the clamp swing arm 98 is installed on one side of the clamp drive cam 96 through the clamp swing arm support seat 97 fixedly connected with the main installation frame 2, and the clamp swing arm rolling member 99 is installed on the clamp On the line swing arm 98 and in contact with the outer side wall of the clamping drive cam 96, one end of the clamping swing arm 98 passes through the front surface of the main mounting frame 2 and is connected to the clamping device 7 in transmission, when the clamping drive cam 96 rotates At this time, the thread clamping driving cam 96 can drive the thread clamping swing arm 98 to swing left and right, and one end of the left thread tangential active arm 911 and the left thread tangential swing arm 914 is respectively connected to the rotating shaft of the left bearing connecting seat 912 fixed with the main installation frame 2, The left thread tangent roller 913 is mounted on the left thread tangent main arm 911 and is in contact with the outer wall of the left tangent driving cam 910. The other end of the left thread tangent swing arm 914 passes through the front surface of the main installation frame 2 and the thread cutting device on the left side. 6 transmission connection, when the left tangent drive cam 910 rotates, the left tangent drive cam 910 can drive the left tangent active arm 911 to swing left and right, and then the left tangent active arm 911 drives the left tangent swing arm 914 to swing left and right, and the right tangent active arm 916 and One end of the right tangential swing arm 919 is respectively connected to the rotating shaft of the right bearing connecting seat 917 fixed with the main mounting frame 2, and the right tangential rolling element 918 is installed on the right tangential main arm 916 and is connected to the outer side wall of the right tangential driving cam 915. In contact with each other, the other end of the right tangent swing arm 919 passes through the front surface of the main mounting frame 2 and is in transmission connection with the right side tangent device 6. When the right tangent drive cam 915 rotates, the right tangent drive cam 915 can drive the right tangent drive The arm 916 swings left and right, and then the right tangent swing arm 919 is driven to swing left and right by the right tangent active arm 916 .

As shown in Fig. 4, Fig. 7, Fig. 8 and Fig. 9, the in-line pressing device 8 includes a pin sliding block 81, a pin longitudinal slide rail 82, a base 83, a pivot seat 84, a pin 85, and a pin pressing rod 86 and the pin pressing rod roller 87, the pin sliding block 81 is slidably connected with the pin longitudinal slide rail 82 installed on the front surface of the main mounting frame 2, and the pin sliding block 81 is driven by the insertion of the cam type longitudinal driving device 9. The needle swing arm connecting rod 95 is driven to move up and down, the pivot seat 84 is installed on the needle sliding block 81 through the base 83, the needle pressing rod 86 is rotatably installed on the pivot joint seat 84 through the pin 85, and the needle pressing rod 86 A return spring 89 is installed between the upper end of the upper end and the pivotal seat 84, and the rolling member 87 of the needle pressing rod is installed on the side of the rolling member 87 of the needle pressing rod and is driven to open and close with the pressing rod fixed on one of the thread cutting devices 6. block 88 in contact. When the pin slide block 81 moves downward, the needle press rod 86 also moves downward, and the needle press rod rolling member 87 rolls to the position where the projection height of the push rod opening and closing drive block 88 is relatively low. Under the action of the spring 89, the lower end of the needle pressing rod 86 rotates toward the clamp head of the thread clamping device 7 (i.e. rotates downward toward the rear side). Pressed onto the PCB board, when the pin slider 81 moves upward, the needle press rod 86 also moves upward, and the needle press rod rolling part 87 rolls to the position where the protrusion height of the pressure rod opening and closing drive block 88 is relatively high At the position, under the action of the opening and closing drive block 88 of the pressing rod, the lower end of the needle pressing rod 86 can rotate toward the direction away from the collet of the thread clamping device 7 (that is, turn forward and upward).

As shown in Fig. 4, Fig. 8 and Fig. 10, the clamping device 7 includes an unclamp swing arm 71, an unclamp swing arm rolling member 72, an unclamp transverse slide rail 73, an unclamp traverse block 74, a longitudinal groove seat 75, Slider mounting seat 76, clamping slider 77, connecting block 78, slider swing arm 79, left clamping slider 710, right clamping slider 711, left clamping head 712 and right clamping head 713, opening clamping traverse block 74 It is slidably connected with the clip-opening horizontal slide rail 73 installed on the positive plate surface of the main installation frame 2, and the clip-opening traverse block 74 is driven by the clamping swing arm 98 of the cam type longitudinal driving device 9 to move laterally from side to side. Seat 75 is installed on the clamping traversing block 74, unclamping swing arm rolling part 72 is installed on the upper end of unclamping swing arm 71 and is movably installed in the longitudinal chute of longitudinal groove seat 75, and slide block mounting seat 76 is installed Set on the pin sliding block 81, the clip opening slider 77, the left clip slider 710 and the right clip slider 711 are movably installed in the corresponding transverse chute of the slider mounting seat 76 respectively, and the clip opening slider 77 is located in the left clip Above the slide block 710 and the right clip slide block 711, the clip open slide block 77 is connected with the left clip slide block 710 through the connecting block 78, and the clip open slide block 77 is connected with the right clip slide block 711 through the slide block swing arm 79, The left chuck 712 is installed on the left folder slider 710, the right chuck 713 is installed on the right folder slider 711, and the lower end of the opening clip swing arm 71 passes through the base 83 and is inserted on the top of the folder opening slider 77. in the socket. When the unclamping traverse block 74 traverses to the right, the longitudinal groove seat 75 on the unclamping traverse block 74 can drive the unclamping swing arm 71 to swing counterclockwise, driving the unclamping slider 77 to traverse to the left, and then through the connection Block 78 drives the left chuck 712 on the left folder slider 710 to move to the left, and drives the right chuck 713 on the right folder slider 711 to move to the right by the slider swing arm 79, so that the two chucks are opened. When the unclamping traverse block 74 moves laterally to the left, the longitudinal groove seat 75 on the unclamping traverse block 74 can drive the unclamping swing arm 71 to swing clockwise, driving the unclamping slider 77 to traverse to the right, and then through the connection Block 78 drives the left chuck 712 on the left folder slider 710 to move to the right, and drives the right chuck 713 on the right folder slider 711 to move to the right by the slider swing arm 79, so that the two chucks are closed.

As shown in Figures 8 and 11, the two thread cutting devices 6 all include a cutter holder 61, a cover plate 62, a cutter slider 63, a cutter 64, a baffle 65 and an adjusting screw 66, and the cutter holder 61 is fixed On the front surface of the main installation frame 2, the cutter slider 63 and the cutter 64 are movably installed in the transverse chute of the cutter holder 61, and the cutter slider 63 is driven by the tangent swing arm of the cam type longitudinal driving device 9. Driven to move left and right, the baffle plate 65 is installed on the outer end of the cutter slider 63, the adjusting screw 66 is installed on the baffle plate 65 and is connected with the outer end of the cutter 64, and the cover plate 62 is installed on the cutter blade. On the front of the fixed seat 61.

As shown in Figure 10, Figure 12 and Figure 13, the bending and pressing device 11 includes a pressing bar mounting seat 111, a bending pressing bar 112, a bending pressing bar rolling element 113, a bending groove block 114 and a bending groove fixing seat 115, the pressure bar mounting seat 111 is installed on the pin sliding block 81, the bending pressure bar 112 is movably installed in the hole of the pressure bar mounting seat 111, the front end of the bending pressure bar 112 is provided with a bending head 1121, The bending groove block 114 is installed on the main mounting frame 2 through the bending groove fixing seat 115, and the bending pressing rod rolling member 113 is installed on the rear end of the bending pressing rod 112 and is movably installed on the bending groove block 114 to provide a In the bending track groove 1141 . When the bending pressure rod 112 on the pressure rod mounting base 111 moves downward with the pin sliding block 81 of the in-line pressing device 8, under the guidance of the bending track groove 1141 of the bending groove block 114, the bending The pressing rod 112 can move forward to pass through the gap between the two chucks to bend the steel needle clamped by the two chucks and press-fit the steel needle onto the PCB. When the bent pressing bar 112 on the pressing bar mounting seat 111 moves upward with the pin slide block 81 of the in-line pressing device 8, the bent pressing bar 112 will retreat backward.

Preferably, as shown in Fig. 4 and Fig. 6, in order to make the steel wire conveying smoothly and the position is accurate, the front plate surface of the main installation frame 2 can be equipped with a first roller between the wire device 5 and the wire feeding roller device 10. A wire conduit 12 and a second wire conduit 13 located between the wire feeding roller device 10 and the in-line press-fitting device 8, the first wire conduit 12 and the second wire conduit 13 pass through the wire conduit fixing seat 14 and the main mounting frame 2 respectively The positive side of the fixed connection. During delivery, the steel wire can pass through the inside of the first conduit 12 and the second conduit 13 . In addition, as shown in FIG. 11 , an upper thread nozzle 15 and a lower thread nozzle 16 may also be installed between the two thread cutting devices 6 .

As a further improvement of this embodiment, as shown in Figure 2 and Figure 5, a height adjustment slider 17 is installed on the back plate of the main installation frame 2, and a height adjustment longitudinal slide rail 18 is installed on the frame 1, and the main installation frame 2. The height adjustment slider 17 is slidably connected to the height adjustment longitudinal slide rail 18 on the frame 1, and a handwheel type lifting adjustment device 19 is installed between the main installation frame 2 and the frame 1. During operation, the height position of the pin main body on the main installation frame 2 on the frame 1 can be adjusted by turning the handwheel type lifting adjustment device 19 . Wherein, because the height of the main part of the pin insertion on the main installation frame 2 can be adjusted, and the cam type longitudinal driving device 9 is arranged vertically, the length of the steel needle to be cut can be set by adjusting the height, and this structure is conducive to adapting to larger PIN pin insertion in a range of lengths.

When it is necessary to insert a straight steel needle, the bending groove block 114 of the bending and pressing device 11 can be disassembled at first, and after starting the wire feeding drive motor of the wire feeding roller device 10, the steel wire delivered from the feeding device 4 It can pass through the guide wheel 53, the first correction wheel set 55, the second correction wheel set 56, the first wire guide 12, the first wire feed roller gear 101 and the second wire feed roller gear 102, the second wire guide 13 , the upper wire nipple 15, between the two cutters 64, the lower wire nipple 16 extends to between the left chuck 712 and the right chuck 713, at this moment, the wire clamping device 7 can clamp the steel wire, and the wire cutting device 6 can clamp the steel wire afterwards. The wire is cut into steel needles, and the steel needles are inserted into the PCB board by the in-line press-fitting device 8 .

When it is necessary to insert a curved steel needle, the needle press rod 86 of the in-line press-fitting device 8 can be disassembled at first, and after starting the wire-feeding drive motor of the wire-feeding roller device 10, the steel wire conveyed from the feeding device 4 can be Pass through the guide wheel 53, the first correction wheel group 55, the second correction wheel group 56, the first wire guide 12, the first wire feeding roller gear 101 and the second wire feeding roller gear 102, the second wire guide 13, Between the upper wire nozzle 15 and the two cutters 64, the lower wire nozzle 16 extends to between the left chuck 712 and the right chuck 713. At this time, the wire clamping device 7 can clamp the steel wire, and the wire cutting device 6 can clamp the steel wire. Cut into steel needles, and bend and insert the steel needles on the PCB board by the bending and pressing device 11 .

To sum up, the utility model has reasonable structural design and convenient operation. It integrates the functions of automatic feeding, thread cutting, pin insertion and bending, so that the same device can be inserted into both straight PIN pins and pins. The curved PIN needle improves work efficiency, reduces equipment procurement costs and labor costs, saves floor space, and enhances market competitiveness.

The above-mentioned embodiment is a preferred implementation mode of the present utility model, but the implementation mode of the present utility model is not limited by the above-mentioned embodiment, and any other changes, modifications and substitutions made without departing from the spirit and principle of the present utility model , combination, and simplification, all should be equivalent replacement methods, and are all included in the protection scope of the present utility model.

Claims (10)

1. A high-speed pin insertion mechanism is characterized in that: it comprises a frame (1), a main mounting frame (2), a longitudinal drive motor (3), and is used to provide a feeding device (4) for steel wire, for The steel wire is vertically conveyed downwards to the wire device (5) of the wire feeding roller device (10), which is used to drive the cam type longitudinally The driving device (9), the wire feeding roller device (10) used to provide power for the delivery of the steel wire, the wire clamping device (7) used to clamp the steel wire delivered by the wire feeding roller device (10), Thread cutting device (6) for cutting steel wires into steel needles, in-line press-fitting device (8) for inserting steel needles into PCB boards, for bending steel needles and inserting them into PCB boards The bending and pressing device (11) on the top, the main installation frame (2) is installed on the frame (1), and the longitudinal drive motor (3) is installed on the top of the main installation frame (2) and is connected with The cam type longitudinal driving device (9) transmission connection located inside the main mounting frame (2), the feeding device (4) and the wire device (5) are installed on the top of the frame (1) respectively, and the wire device (5) Located on one side of the feeding device (4), the wire feeding roller device (10) is installed on the front surface of the main mounting frame (2), and the in-line pressing device (8) is connected to the main The front plate surface of the mounting frame (2) is slidingly connected and can move up and down relative to the main mounting frame (2). Between the front boards, the wire device (5), the wire feeding roller device (10) and the in-line press-fitting device (8) are arranged sequentially from top to bottom, and the thread-cutting device (6) is located in the in-line press-fitting device (8), the bending and pressing device (11) is located at the bottom of the main mounting frame (2) and is connected between the in-line pressing device (8) and the main mounting frame (2). The cam type longitudinal driving device (9) is transmission connected with the thread cutting device (6), the thread clamping device (7) and the in-line pressing device (8). 2. A high-speed needle insertion mechanism according to claim 1, characterized in that: the feeding device (4) includes a wire wheel bracket (41), a pay-off wheel (42) and a tension wheel (43), The pay-off wheel (42) is installed on the wire wheel support (41) by the pay-off wheel shaft, and the tension wheel (43) is installed on the wire wheel support (41) by the tension wheel shaft and is positioned at the pay-off wheel (42 ) on the discharge side; the wire device (5) includes a wire support (51), a wire wheel (53) with a grating disc (52), a photoelectric sensor (54), the first correction wheel group (55) and The second correcting wheel set (56), the guide wheel (53), the first correcting wheel set (55) and the second correcting wheel set (56) are installed on the guide wire support (51) successively from top to bottom, so that The photoelectric sensor (54) is installed on the wire support (51) and is positioned at the side of the grating disc (52), and the direction of the first correction wheel group (55) is perpendicular to the direction of the second correction wheel group (56) . 3. A high-speed pin insertion mechanism according to claim 1, characterized in that: the cam type longitudinal driving device (9) includes a transmission shaft (91), a pin driving cam (92), a pin swing arm ( 93), pin rolling part (94), pin swing arm connecting rod (95), thread clamping drive cam (96), thread clamping swing arm support seat (97), thread clamping swing arm (98), thread clamping pendulum Arm rolling part (99), left tangential drive cam (910), left tangential main arm (911), left bearing connecting seat (912), left tangential rolling part (913), left tangential swing arm (914), right tangential drive Cam (915), right tangential main arm (916), right bearing connecting seat (917), right tangential rolling element (918) and right tangential swing arm (919), and the transmission shaft (91) is longitudinally installed on the main installation Inside the frame (2), the upper end of the transmission shaft (91) is connected to the output shaft of the longitudinal drive motor (3), the pin drive cam (92), the tension drive cam (96), the right tangential drive The cam (915) and the left tangent driving cam (910) are installed on the transmission shaft (91) in sequence from top to bottom, and the pin rolling member (94) is installed on the pin swing arm (93) and inserted In the outer track groove (921) of the pin drive cam (92), one end of the pin swing arm (93) passes through the front plate surface of the main mounting frame (2) and passes through the pin swing arm link ( 95) is in transmission connection with the in-line pressing device (8), and the clamping swing arm (98) is installed on the clamping drive cam through the clamping swing arm support seat (97) fixedly connected with the main installation frame (2). One side of (96), the thread clamping swing arm roller (99) is installed on the thread clamping swing arm (98) and is in contact with the outer side wall of the thread clamping driving cam (96), and the thread clamping swing arm One end of (98) passes through the front plate surface of the main installation frame (2) and is connected with the clamping device (7) transmission, and one end of the left tangent main arm (911) and the left tangent swing arm (914) is respectively connected with On the rotating shaft of the left bearing connecting seat (912) fixed to the main installation frame (2), the left tangential rolling member (913) is installed on the left tangential main arm (911) and is connected to the outside of the left tangential driving cam (910). The other end of the left tangent swing arm (914) passes through the front surface of the main mounting frame (2) and is in transmission connection with the left side tangent device (6), and the right tangent active arm (916) and One end of the right tangential swing arm (919) is respectively connected on the rotating shaft of the right bearing connecting seat (917) fixed with the main installation frame (2), and the right tangential rolling element (918) is installed on the right tangential active arm ( 916) and is in contact with the outer side wall of the right tangent drive cam (915), the other end of the right tangent swing arm (919) passes through the front plate surface of the main installation frame (2) and the right side tangent device (6) Drive connection. 4. A high-speed needle insertion mechanism according to claim 1, characterized in that: the wire feeding roller device (10) comprises a first wire feeding rolling gear (101), a second wire feeding rolling gear (102) and The wire-feeding drive motor (103), the first wire-feeding rolling gear (101) and the second wire-feeding rolling gear (102) are installed on the front plate surface of the main mounting frame (2) respectively, the first wire-feeding The wire rolling gear (101) is located on the side of the second wire feeding rolling gear (102), and the wire feeding driving motor (103) is transmission connected with the first wire feeding rolling gear (101) and drives it to rotate. 5. A high-speed pin insertion mechanism according to claim 1, characterized in that: the in-line press-fitting device (8) includes a pin sliding block (81), a pin longitudinal slide rail (82), a base ( 83), pivotal seat (84), pin (85), needle press bar (86) and needle press bar rolling element (87), described pin sliding block (81) is installed on the main installation frame (2) The pin longitudinal sliding rail (82) on the front surface of the front plate is slidingly connected, the pin sliding block (81) is driven by the cam type longitudinal driving device (9) to move up and down, and the pivot seat (84) passes through the base (83) is installed on the needle sliding block (81), and the needle pressing rod (86) is rotatably installed on the pivot seat (84) through the pin (85), and the needle pressing rod (86) A return spring (89) is installed between the upper end and the pivot seat (84), and the needle presser rod rolling member (87) is installed on the side of the needle presser rod rolling member (87) and is fixed on one of the tangent The depression bar opening and closing driving block (88) on the device (6) contacts. 6. A high-speed needle insertion mechanism according to claim 5, characterized in that: the thread clamping device (7) includes an unclamp swing arm (71), an unclamp swing arm rolling element (72), an unclamp transverse Slide rail (73), clip-opening traverse block (74), longitudinal groove seat (75), slide block mounting seat (76), clip-opening slide block (77), connecting block (78), slide block swing arm (79 ), the left clip slider (710), the right clip slider (711), the left chuck (712) and the right chuck (713). 2) The clip-opening horizontal slide rail (73) on the positive plate surface is slidingly connected, and the clip-opening traverse block (74) is driven by the cam type longitudinal drive device (9) to move laterally from side to side, and the longitudinal groove seat ( 75) Installed on the clip-opening traverse block (74), the clip-opening swing arm rolling member (72) is installed on the upper end of the clip-opening swing arm (71) and is movably installed in the longitudinal direction of the longitudinal groove seat (75). In the chute, the slider mounting base (76) is installed on the pin slider (81), the clip opening slider (77), the left clip slider (710) and the right clip slider (711) Respectively movably installed in the corresponding transverse chute of the slider mounting seat (76), the clip-opening slider (77) is positioned above the left clip slider (710) and the right clip slider (711), the clip-opening slider The slide block (77) is connected with the left clip slide block (710) through the connecting block (78), and the clip opening slide block (77) is connected with the right clip slide block (711) through the slide block swing arm (79), Described left collet (712) is arranged on the left clip slider (710), and described right collet (713) is installed on the right clip slider (711), and the described unclamp swing arm (71) After the lower end passes through the base (83), it is inserted in the insertion slot provided at the top of the clamping slide block (77). 7. A high-speed needle insertion mechanism according to claim 1, characterized in that: the two thread cutting devices (6) both include a cutter fixing seat (61), a cover plate (62), a cutter slider ( 63), cutter (64), baffle plate (65) and adjusting screw rod (66), described cutter fixing seat (61) is installed on the positive plate surface of main installation frame (2), and described cutter slides The block (63) and the cutter (64) are movably installed in the transverse chute of the cutter holder (61), and the cutter slider (63) is driven by the cam type longitudinal driving device (9) to move laterally from side to side, Described baffle plate (65) is arranged on the outer end of cutter slider (63), and described adjusting screw rod (66) is installed on the baffle plate (65) and is connected with the outer end of cutter (64), The cover plate (62) is mounted on the front of the cutter holder (61). 8. A high-speed pin insertion mechanism according to claim 5, characterized in that: the bending and pressing device (11) includes a pressing rod mounting seat (111), a bending pressing rod (112), a bending pressing Rod rolling element (113), bending groove block (114) and bending groove fixing seat (115), said pressing rod installation seat (111) is installed on the pin sliding block (81), and said bending pressing The rod (112) is movably installed in the hole of the pressure rod mounting seat (111), the front end of the bending pressure rod (112) is provided with a bending head (1121), and the bending groove block (114) is bent The curved groove fixing seat (115) is installed on the main mounting frame (2), and the bending pressing rod rolling part (113) is installed on the rear end of the bending pressing rod (112) and is movably installed on the bending groove block (114) is provided with in the bending track groove (1141). 9. A high-speed pin insertion mechanism according to claim 1, characterized in that: the front plate of the main mounting frame (2) is equipped with a wire device (5) and a wire feeding roller device (10). The first wire conduit (12) between and the second wire conduit (13) between the wire feeding roller device (10) and the in-line press-fitting device (8), the first wire conduit (12) and the second wire conduit (13) The wire conduits (13) are respectively fixedly connected to the front surface of the main installation frame (2) through the wire conduit holders (14), and an upper wire nipple (15) and a lower wire nipple are installed between the two thread cutting devices (6) (16). 10. A high-speed pin insertion mechanism according to claim 1, characterized in that: a height adjustment slider (17) is installed on the back panel of the main mounting frame (2), and the frame (1) A height-adjusting longitudinal slide rail (18) is installed on the top, and the main installation frame (2) is slidably connected with the height-adjusting longitudinal slide rail (18) on the frame (1) through a height-adjusting slider (17). A handwheel type lifting adjustment device (19) is installed between the mounting frame (2) and the frame (1).