CN109066249B - USB wire automatic molding machine - Google Patents

Abstract

The invention relates to the technical field of data transmission line production. The automatic USB wire forming machine comprises a jig slideway mechanism, a plastic coating mechanism, a finished product discharging mechanism, a mould strip circulating mechanism, a mould strip feeding mechanism and mould strips; the two ends of the jig slide mechanism are respectively connected with the die strip feeding mechanism and the die strip circulating mechanism, and the plastic coating mechanism and the finished product discharging mechanism correspond to the die strips on the jig slide mechanism. The automatic USB line forming machine has the advantages that the jig is recycled, feeding and discharging of the jig are automatically completed, injection molding, waste material cutting and finished product discharging are automatically completed, and machining efficiency is high.

Description

USB wire automatic molding machine

Technical Field

The invention relates to the technical field of production of data transmission lines, in particular to USB line production equipment.

Background

USB cable has been widely used as a data transmission line and a charging line. The USB wire is generally formed by injection molding of a wire and a USB terminal, and the existing USB wire production is that the wire and the USB terminal are firstly placed into a jig, then the jig is placed into a mold to complete injection molding, a finished product of the jig and the USB wire is taken out after the injection molding is completed, injection molding waste materials are cut off, and then the wire and the USB terminal are continuously loaded into the jig to be subjected to injection molding. The existing USB wire production has the defects that the jig needs to be repeatedly taken out to load the wire and the USB terminal and take out the finished USB wire, and the processing efficiency is low.

Disclosure of Invention

The invention aims to provide an automatic USB wire forming machine which can be used for recycling a jig, automatically complete feeding and discharging of the jig, and automatically complete injection molding, waste material cutting and finished product discharging.

In order to achieve the purpose, the invention adopts the following technical scheme: the automatic USB wire forming machine comprises a jig slideway mechanism, a plastic coating mechanism, a finished product discharging mechanism, a mould strip circulating mechanism, a mould strip feeding mechanism and mould strips; two ends of the jig slide mechanism are respectively connected with the die strip feeding mechanism and the die strip circulating mechanism, and the plastic coating mechanism and the finished product discharging mechanism correspond to the die strips on the jig slide mechanism;

the mould strip is provided with a plastic inlet groove, a USB interface end groove, a positioning pull groove and a material pushing hole, the USB interface end groove is internally inserted with a plug board connected with a USB terminal, the positioning pull groove is positioned at the bottom of the front end of the mould strip, and the material pushing hole is positioned below the USB interface end groove;

the jig slide mechanism comprises a rack, a material carrying and conveying device, a wire protecting device and an empty material conveying device, wherein the empty material conveying device is fixed on the rack, the bottom of the material carrying and conveying device is fixed on the empty material conveying device, and the wire protecting device is installed on the material carrying and conveying device;

the material loading conveying line device is divided into a material loading conveying line part and an operation conveying line part along the moving direction of the die strip; part of the feeding end of the feeding conveying line is connected with the die strip feeding mechanism; the feeding conveying line part comprises a first support, and a first motor, a sensor, a first belt line, a limiting assembly, a blocking rod and an intercepting assembly which are arranged on the first support; the sensor is used for detecting the position of the mould strip; the intercepting rod is positioned in the middle of the first support; the intercepting component is positioned at the discharging end of the feeding conveying line part and comprises an intercepting cylinder and an intercepting plate arranged on the intercepting cylinder, the intercepting cylinder is arranged on the first support, and the position of the intercepting plate corresponds to the die strip;

the operation conveying line part comprises a second bracket, a conveying cylinder, a slideway assembly, a conveying pull rod and a positioning frame assembly; the slide way assembly is arranged on the second support, a slide way for the mould strip to move linearly is arranged on the slide way assembly, and the slide way and a limiting channel on the feeding conveying line part are in the same straight line; the conveying pull rod and the positioning frame assembly are positioned below the slideway assembly, the upper end of the conveying pull rod is matched with the positioning pull groove, and the output end of the conveying cylinder is connected with the conveying pull rod; the conveying cylinder is connected to the second support through a cylinder seat, and the conveying pull rod is connected to the second support through a slide rail seat;

the positioning frame assembly comprises a support seat, a positioning support, a material stirring claw and a spring, the support seat is fixed on the conveying pull rod, the positioning support is installed on the support seat, the bottom of the material stirring claw is rotatably connected with the positioning support through a pin shaft, two ends of the spring are respectively connected with the positioning support and the material stirring claw, and the top of the material stirring claw is matched with the positioning pull groove;

the operation conveying line part is sequentially divided into a forming station, a material taking station and a mould strip transferring station along the moving direction of the mould strip, the position of the plastic coating mechanism corresponds to the forming station, the position of the finished product blanking mechanism corresponds to the material taking station, and the discharge end of the mould strip transferring station is connected with a mould strip circulating mechanism;

the feeding end of the empty material conveying line device is connected with the die strip circulating mechanism, and the discharging end of the empty material conveying line device is connected with the die strip feeding mechanism; the empty material conveying line device comprises an empty material conveying frame, an empty material conveying motor, an empty material belt line and a second limiting assembly, wherein the empty material conveying frame is fixed at the top of the rack, and the bottoms of the first support and the second support are fixed on the empty material conveying frame; the empty material conveying motor drives the empty material belt line to move, the second limiting assembly is positioned above the empty material belt line, and a second limiting channel enabling the die strip to move linearly along the empty material belt line is arranged on the second limiting assembly;

the plastic coating mechanism comprises a feeding and discharging assembly, an injection molding machine assembly and a drawing and returning assembly, the feeding and discharging assembly and the injection molding machine assembly are respectively positioned at two sides of the operating conveying line part, and the drawing and returning assembly is arranged on the feeding and discharging assembly;

the feeding and discharging assembly comprises a third support, a translation assembly and a first clamping assembly, the translation assembly is installed on the third support, and the first clamping assembly is installed on the translation assembly; the top of the third bracket is U-shaped, and the lower part of the third bracket is provided with a supporting rod;

the translation assembly comprises a translation sliding rail, a first fixing plate, a second fixing plate, a first lifting cylinder, a first connecting rod, a first translation cylinder, a first mounting plate and a picking arm device; the first fixing plate is connected with the third bracket through a translation sliding rail, and the first fixing plate is connected on the translation sliding rail through a sliding block; the first translation cylinder is fixed on the translation sliding rail and connected with the first fixing plate; the first mounting plate, the first fixing plate and the second fixing plate are arranged in parallel from bottom to top; the bottom of a first connecting rod is fixed on the first mounting plate, the first connecting rod penetrates through the first fixing plate, and the top of the first connecting rod is connected to the second fixing plate; the first lifting cylinder is fixed on the first fixing plate, the output end of the first lifting cylinder is connected with the second fixing plate, and the first lifting cylinder controls the second fixing plate and the first mounting plate to lift along the first connecting rod; the middle part of the first mounting plate is provided with a U-shaped groove, the opening direction of the U-shaped groove faces towards the injection molding machine assembly, two sides of the U-shaped groove are respectively provided with a slide rail, and the first mounting plate is provided with a picking arm device; the first clamping assembly comprises a second lifting cylinder, a cylinder mounting plate, a second connecting rod, a second translation cylinder, a tooth-shaped sliding block, a rotating shaft and a first clamping hand; the cylinder mounting plate is mounted on the second fixing plate, the second lifting cylinder is mounted on the cylinder mounting plate, the output shaft of the second lifting cylinder is connected with the second mounting plate, the second mounting plate is connected to the first mounting plate through a guide pillar, the second mounting plate is positioned above the U-shaped groove, and the second lifting cylinder controls the second mounting plate to move up and down; a sliding groove is formed in the second mounting plate, and the toothed sliding block is positioned in the sliding groove; the second translation cylinder is fixed on the second mounting plate, the output end of the second translation cylinder is connected with the toothed sliding block, the rotating shaft is connected on the second mounting plate, the position of the rotating shaft is matched with the toothed sliding block, and the toothed sliding block is connected with the first clamping hand through the rotating shaft; the second translation cylinder controls the tooth-shaped sliding block to move in the sliding chute, the tooth-shaped sliding block drives the rotating shaft to rotate, and the rotating shaft drives the first clamping hand to move;

the injection molding machine assembly comprises an injection molding machine pedestal, an injection molding machine feeding device, a guide rod, a pressing cylinder device and a mold; the lower end of the guide rod is connected to a pedestal of the injection molding machine, and the upper end of the guide rod is connected with the lower pressing cylinder device; the feeding device of the injection molding machine is connected with the lower pressing cylinder device through a feeding pipe; the die is divided into an upper die and a lower die; the upper die is fixed at the bottom of the lower air cylinder device, and a feeding channel is arranged on the upper die and is connected with a feeding pipe; the lower die is fixed on a pedestal of the injection molding machine, and the upper die and the lower die are matched and correspond to each other;

the material pulling and returning assembly comprises a first cutter translation cylinder, a cutter mounting plate, a second cutter translation cylinder, a tooth-shaped cutter and a material returning guide plate; the cutter mounting plate is connected with the first mounting plate; the output end of the first cutter translation cylinder is connected with the cutter mounting plate, and the first cutter translation cylinder is fixed on the first mounting plate; the second cutter translation cylinder is arranged on the cutter mounting plate and connected with a tooth-shaped cutter, and the head of the tooth-shaped cutter is provided with a tooth-shaped cutter edge; the feed back guide plate is fixed on the support rod of the third support and is positioned below the U-shaped groove of the first mounting plate;

the finished product blanking mechanism comprises a fourth bracket, a blanking sliding rail, a third fixing plate, a second sliding rail air cylinder assembly, a third lifting air cylinder, a third mounting plate, a pushing assembly, a second clamping assembly, a third connecting rod and a finished product placing assembly; the blanking sliding rail and the second sliding rail air cylinder assembly are fixed at the top of the fourth bracket; the second sliding rail air cylinder assembly is connected with a third fixing plate, and the third fixing plate is connected to the blanking sliding rail; the output end of the third lifting cylinder is connected with a third mounting plate; the third fixing plate is connected with the third mounting plate through a third connecting rod, the third lifting cylinder controls the third mounting plate to move up and down, and the second clamping assembly is mounted on the third mounting plate; the pushing assembly is connected to the second support, and the position of the second clamping assembly is matched with that of the pushing assembly; the finished product placing assembly is arranged on the fourth bracket;

the material pushing assembly comprises a material pushing cylinder, a material pushing mounting plate, a material pushing needle and a material pushing fixing plate; the pushing fixing plate is fixed on the second bracket, the pushing mounting plate is positioned on a chute of the pushing fixing plate, the output end of the pushing cylinder is connected with one end of the pushing mounting plate, the pushing needle is arranged at the other end of the pushing mounting plate, and the pushing needle faces to a pushing hole in the die strip; the pushing cylinder pushes the pushing mounting plate to slide on the sliding rail, and the pushing needle pushes the USB terminal out of the die strip through the pushing hole, so that the second clamping assembly can be clamped conveniently; the second clamping assembly comprises a clamping cylinder, a clamping fixing plate, a clamping hand mounting plate and a second clamping hand; the clamping fixing plate is fixed on the third mounting plate, the clamping hand mounting plate is connected to the clamping fixing plate, and the second clamping hand is mounted on the clamping hand mounting plate;

the die strip circulating mechanism comprises a fifth bracket, a fourth lifting cylinder, a supporting rod, a supporting seat, a die strip seat and a die strip pushing assembly; the fifth support is arranged on the rack, the fourth lifting cylinder and the supporting seat are fixedly arranged on the fifth support, the output end of the fourth lifting cylinder is connected with the die strip seat, a die strip groove for placing a die strip is formed in the die strip seat, the die strip groove is connected with a slideway of the slideway assembly and an empty material belt line, and the die strip groove and the slideway of the slideway assembly are positioned on the same straight line; the supporting rod is arranged on the supporting seat through a bearing seat, and the top end of the supporting rod is connected to the die strip seat; the fourth lifting cylinder controls the strip seat to move up and down;

the mold pushing strip assembly comprises a push rod slide rail mounting plate, a push rod slide rail, a push rod and a fourth translation cylinder; the push rod slide rail mounting plate is fixed on the fifth bracket; the push rod slide rail is fixed on the push rod slide rail mounting plate, and the push rod is connected to the push rod slide rail; the output end of the fourth translation cylinder is connected with the push rod; the fourth translation cylinder controls the push rod to move on the push rod slide rail, and the position of the push rod corresponds to the position of the die strip seat;

the die strip feeding mechanism comprises a sixth bracket, a feeding fixing plate, a feeding mounting plate, a fifth lifting cylinder, a third belt line, a feeding connecting rod and a second motor; the sixth bracket is fixed on the front end of the frame; the feeding fixing plate is arranged on the sixth support and connected with a feeding mounting plate above the feeding fixing plate through a feeding connecting rod, the fifth lifting cylinder is arranged on the sixth support, and the output end of the fifth lifting cylinder is connected with the feeding mounting plate; the third belt line and the second motor are installed on the feeding installation plate, the third belt line comprises a feeding belt line seat and a feeding belt line on the feeding belt line seat, the second motor controls the feeding belt line to move, and the feeding belt line is connected with the discharging end of the empty feeding belt line and the feeding end of the first belt line.

Preferably, the die strip is also provided with a limiting column, a boss and a positioning hole, the boss is positioned below the USB interface end slot, the limiting column is positioned above the USB interface end slot, and the positioning hole is positioned on the bottom surface of the die strip; two positioning columns are arranged on the lower die and matched with the positioning holes in the die strips.

Preferably, the wire guard comprises a cylindrical rod and a mounting member, the cylindrical rod is connected to the first bracket and the second bracket through the mounting member, and the position of the cylindrical rod on the first bracket is located on the rear side of the intercepting rod.

Preferably, the picking arm device comprises a picking cylinder, a picking arm, a fixed picking block and a sliding picking block, the inner ends of the picking cylinder and the picking arm are fixed on the first mounting plate, the picking arm is provided with a sliding track, the fixed picking block is fixed at the outer end of the picking arm, the sliding picking block is connected to the sliding track, the output end of the picking cylinder is connected with the sliding picking block, and the picking cylinder controls the sliding picking block to move on the sliding track.

Preferably, the finished product placing assembly comprises a middle round rod and material receiving plates on two sides of the middle round rod.

According to the automatic USB wire forming machine adopting the technical scheme, the jig slideway mechanism sequentially conveys the mold strips filled with the USB terminals and the wires to the plastic coating mechanism and the finished product blanking mechanism, the plastic coating mechanism forms and fixes the USB terminals and the wires, and the finished product blanking mechanism takes out the finished products from the jig slideway mechanism. The mould strip circulation mechanism moves the finished mould strip taken away to the jig slide mechanism, the jig slide mechanism moves the empty mould strip to the mould strip feeding mechanism, the mould strip feeding mechanism continuously loads the empty jig slide mechanism into the mould strips of the USB terminals and the wire rods, the circulation work is achieved, and the processing efficiency is high. The jig slide mechanism comprises a material carrying and conveying line device and an empty material conveying line device, the mold strips filled with the USB terminals and the wires move on the material carrying and conveying line device, the plastic coating mechanism and the finished product blanking mechanism perform molding fixing and finished product taking-out operations on the mold strips, the empty material conveying line device is synchronously used for conveying the empty mold strips back, and the processing efficiency is high. And the plastic coating mechanism moves the mold strip on the jig slide mechanism into the plastic coating mechanism for injection molding processing, and after the processing is finished, the waste material is cut off and transported back to the jig slide mechanism. And the finished product blanking mechanism takes out the finished product USB wire on the jig slideway mechanism. The automatic USB line forming machine has the advantages that the jig is recycled, feeding and discharging of the jig are automatically completed, injection molding, waste material cutting and finished product discharging are automatically completed, and machining efficiency is high.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

Fig. 2 is a first schematic diagram of a mold strip according to an embodiment of the invention.

Fig. 3 is a second schematic diagram of a mold strip according to an embodiment of the invention.

Fig. 4 is a schematic view of a jig slide mechanism according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of a feeding line part according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of an operation conveying line part according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a feeding positioning frame assembly according to an embodiment of the present invention.

FIG. 8 is a diagram of a USB cable.

Fig. 9 is a schematic structural diagram of a plastic coating mechanism according to an embodiment of the present invention.

Fig. 10 is an exploded view of the structure of the charging and discharging assembly according to the embodiment of the invention.

Fig. 11 is an exploded view of the translation assembly according to an embodiment of the present invention.

Fig. 12 is an exploded view of the first grasping assembly according to the embodiment of the present invention.

Fig. 13 is a schematic structural view of an injection molding machine assembly according to an embodiment of the present invention.

FIG. 14 is an exploded view of the drawing assembly according to the embodiment of the present invention.

Fig. 15 is an exploded view of the finished product blanking mechanism according to the embodiment of the present invention.

Fig. 16 is an exploded view of the pusher assembly according to the embodiment of the present invention.

Fig. 17 is an exploded view of the second grasping assembly according to the embodiment of the present invention.

Fig. 18 is a schematic structural view of a die-strip circulating mechanism according to an embodiment of the present invention.

Fig. 19 is a schematic structural view of a die strip feeding mechanism according to an embodiment of the present invention.

Detailed Description

The invention is further described below in connection with fig. 1-19.

The automatic USB wire forming machine shown in fig. 1-19 includes a jig slide mechanism 1, a plastic coating mechanism 2, a finished product blanking mechanism 3, a mold strip circulating mechanism 4, a mold strip feeding mechanism 5, and a mold strip 6; the two ends of the jig slide mechanism 1 are respectively connected with the die strip feeding mechanism 5 and the die strip circulating mechanism 4, the die strips 6 move on the die strip feeding mechanism 5, the jig slide mechanism 1 and the die strip circulating mechanism 4, and the positions of the plastic coating mechanism 2 and the finished product blanking mechanism 3 correspond to the die strips 6 on the jig slide mechanism 1.

As shown in fig. 2-7, the mold strip 6 is provided with a plastic inlet groove 61, a USB interface end groove 62, a positioning pull groove and a material pushing hole 64, the USB interface end groove 62 is inserted with an insert plate 66 connected with a USB terminal a, the positioning pull groove is located at the bottom of the front end of the mold strip 6, and the material pushing hole 64 is located below the USB interface end groove 62.

The mould strip 6 is also provided with a limiting column 63, a boss 65 and a positioning hole 67, the boss 65 is positioned below the USB interface end slot 62, the limiting column 63 is positioned above the USB interface end slot 62, and the positioning hole 67 is positioned on the bottom surface of the mould strip 6.

The plastic inlet groove 61 is matched with the plastic coating mechanism 2 and used for completing plastic inlet; the plug board 66 has one end inserted into the USB port end slot 62 and the other end inserted into the USB terminal a. The limiting column 63 and the positioning hole 67 are respectively matched with the plastic coating mechanism 2 and used for positioning the mould strip 6 in the plastic coating mechanism 2; the oval channel 64 is matched with the finished product blanking mechanism 3 and used for pushing out the plastic-coated inserting plate 66; the boss 65 leaves a gap between the USB terminal a and the main body of the mold strip 6, so that the USB terminal a can be placed and taken conveniently; the positioning groove 68 is matched with the jig slide mechanism 1, and the die strip 6 is pulled to move forwards by a part inserted into the positioning pull groove. In use, USB terminal a is inserted into board 66, and wire b is connected to USB terminal a, where wire b has a sufficient length. And placing the die strip 6 inserted into the USB terminal a on the feeding end of the jig slide mechanism 1.

As shown in fig. 3, the jig slide mechanism 1 includes a frame 14, a material carrying conveyor line device 11, a wire protection device 12, and an empty material conveyor line device 13, wherein the empty material conveyor line device 13 is fixed on the frame 14, the bottom of the material carrying conveyor line device 11 is fixed on the empty material conveyor line device 13, and the wire protection device 12 is installed on the material carrying conveyor line device 11.

When the USB terminal and wire material packaging machine is used, the material loading conveying line device 11 sequentially conveys the mold strips 6 filled with the USB terminals and the wire materials to the plastic packaging mechanism 2 and the finished product blanking mechanism 3, the plastic packaging mechanism 2 molds and fixes the USB terminals and the wire materials, and the finished product blanking mechanism 3 takes out the finished products from the material loading conveying line device 11. The mould strip circulating mechanism 4 moves the mould strip 6 which is taken away from the finished product on the material carrying and conveying device 11 to the empty material conveying device 13, the empty material conveying device 13 moves the empty mould strip 6 to the mould strip feeding mechanism 5, the mould strip feeding mechanism 5 moves the empty mould strip 6 to the feeding end of the material carrying and conveying device 11, the mould strip 6 of the USB terminal and the wire rod is continuously loaded, and the circulation work is carried out.

The carrier conveyor line device 11 is divided into a feeding conveyor line portion 11a and an operating conveyor line portion 11b in the moving direction of the die strip 6.

The feed end of the feed conveyor line portion 11a is engaged with the die strip feed mechanism 5. The feeding conveying line part 11a comprises a first support and a first motor 113, a sensor 112, a first belt line 114, a limiting component 115, an intercepting rod 116 and an intercepting component 117 which are arranged on the first support, wherein the first motor 113 is connected with the first belt line 114 and drives the first belt line 114 to act, the limiting component 115 is positioned above the first belt line 114, and a limiting channel which enables the mould strip to move linearly along the first belt line 114 is arranged on the limiting component 115; the sensor 112 is used to detect the position of the die strip 6.

The intercepting rod 116 is located in the middle of the first support, one end of the intercepting rod 116 is movably connected to the first support, the intercepting rod 116 is used for blocking the movement of the die strip, when the USB terminal and the wire are loaded into the die strip 6 at the feeding end of the feeding conveying line part 11a, the intercepting rod 116 falls down to block the movement of the die strip, and the intercepting rod 116 resets the die strip 6 to move smoothly after the loading of the USB terminal and the wire is finished.

The intercepting component 117 is arranged at the discharging end of the feeding conveying line part 11a, the intercepting component 117 comprises an intercepting cylinder and an intercepting plate arranged on the intercepting cylinder, the intercepting cylinder is arranged on the first support, the position of the intercepting plate corresponds to the mould strip 6, and the intercepting cylinder controls the action of the intercepting plate. When the plastic coating mechanism 2 is in an operating state and needs to limit the movement of the mould strip 6, the interception cylinder controls the interception plate to intercept the mould strip so that the mould strip cannot enter the operating conveying line part 11 b.

As shown in fig. 8, the USB cable is formed by plastic-coating USB terminals a and wires b. When the feeding conveying line part 11a is used, firstly, the die strip feeding is carried out at the feeding end of the feeding conveying line part 11a through the die strip feeding mechanism 5, then the USB terminal a and the wire rod b are fed on the die strip, and finally the USB terminal a enters the operation conveying line part 11 b. Specifically, the first motor 113 provides kinetic energy to the first belt line 114. The first belt line 114 carries the mold strip 6, into which the USB terminal and the wire are not inserted, from the feeding end to the intercepting bar 116, the intercepting bar 116 intercepts the mold strip 6, and after the USB terminal a and the wire b are loaded onto the mold strip 6, the intercepting bar 116 is opened, the mold strip 6 is moved toward the operation conveying line part 11b, and the sensor senses the position of the mold strip 6.

The operation conveyor line section 11b includes a second bracket 131, a conveyor cylinder 132, a slide assembly 133, a conveyor link 134, and a spacer assembly 135. The slide way assembly 133 is arranged on the second bracket 131, a slide way for the mould strip 6 to move linearly is arranged on the slide way assembly 133, and the slide way and the limiting channel on the feeding conveying line part 11a are in the same straight line; the conveying pull rod 134 and the positioning frame assembly 135 are located below the slide assembly 133, the upper end of the conveying pull rod 134 is matched with the positioning pull groove, and the output end of the conveying air cylinder 132 is connected with the conveying pull rod 134. The conveying cylinder 132 is connected to the second bracket 131 through a cylinder block, and the conveying pull rod 134 is connected to the second bracket 131 through a slide rail block.

When the conveying line part 11b is operated to use, the mould strip 6 enters the slideway of the slideway component 133 along the limiting passage, the upper end of the positioning frame component 135 is inserted into the positioning pull groove of the mould strip 6, and the conveying air cylinder 132 pulls the positioning frame component 135 through the conveying pull rod 134 to realize the movement of the mould strip 6 in the slideway.

The positioning frame assembly 135 comprises a frame base 1351, a positioning frame 1352, a material shifting claw 1353 and a spring, the frame base 1351 is fixed on the conveying pull rod 134, the positioning frame 1352 is mounted on the frame base 1351, the bottom of the material shifting claw 1353 is rotatably connected with the positioning frame 1352 through a pin, two ends of the spring are respectively connected with the positioning frame 1352 and the material shifting claw 1353, and the top of the material shifting claw 1353 is matched with a positioning pull groove. When the positioning frame assembly 135 moves along the feeding direction, the top of the material pushing claw 1353 is inserted into the positioning pull groove, and the material pushing claw 1353 drives the die strip 6 to synchronously and linearly move along with the stretching of the moving spring of the positioning frame assembly 135. When the spacer assembly 135 is moved in the opposite direction of feed, the top of the fingers 1353 contact the top of the die strip 6, the fingers 1353 return to the spring position by rotating the spring, and the spacer assembly 135 does not move the die strip 6.

The operation conveying line part 11b is sequentially divided into a forming station, a material taking station and a die strip transferring station along the moving direction of the die strip 6; the plastic coating mechanism 2 corresponds to a forming station, and injection forming of the USB terminal a and the wire b is completed at the forming station; the finished product blanking mechanism 3 corresponds to a material taking station, and the finished USB terminal a and wire b products formed by injection molding are taken out at the material taking station. The discharge end of the mould strip transfer station is connected with a mould strip circulating mechanism 4, and the mould strip circulating mechanism takes out the empty mould strips 6 on the mould strip transfer station.

The wire guard 12 includes a cylindrical rod connected to the first and second brackets 131 by a mounting member, and a position of the cylindrical rod on the first bracket is at a rear side of the intercepting bar 116. The front side of the intercepting bar 116 is positioned for feeding, so that the thread guard 12 is not needed.

The feed end of the empty material conveying line device 13 is connected with the mould strip circulating mechanism 4, and the discharge end of the empty material conveying line device 13 is connected with the mould strip feeding mechanism 5. The empty material conveying line device 13 comprises an empty material conveying frame, an empty material conveying motor, an empty material belt line and a second limiting assembly, the empty material conveying frame is fixed to the top of the rack 14, and the bottoms of the first support and the second support 131 are fixed to the empty material conveying frame; the empty material conveying motor drives the empty material belt line to move, the second limiting assembly is located above the empty material belt line, and a second limiting channel enabling the die strip to linearly move along the empty material belt line is arranged on the second limiting assembly.

As shown in fig. 9-14, the plastic coating mechanism 2 includes a feeding and discharging assembly 21, an injection molding machine assembly 22, and a drawing assembly 23, the feeding and discharging assembly 21 and the injection molding machine assembly 22 are respectively disposed at two sides of the operation conveying line part 11b, and the drawing assembly 23 is mounted on the feeding and discharging assembly 21. The feeding and discharging assembly 21 carries the mold strip 6 on the operation conveying line part 11b to the injection molding machine assembly 22; the injection molding machine assembly 22 completes the plastic coating work between the USB terminal a and the wire b on the mold strip 6; after the plastic coating is finished, the feeding and discharging assembly 21 conveys the die strip 6 to the material withdrawing assembly 23 to finish the material withdrawing; after completion of the withdrawal, the feed and discharge assembly 21 transports the mold strip 6 back to the operative conveyor section 11 b.

The feeding and discharging assembly 21 comprises a third support 211, a translation assembly 212 and a first clamping assembly 213, wherein the translation assembly 212 is mounted on the third support 211, the first clamping assembly 213 is mounted on the translation assembly 212, and the first clamping assembly 213 is arranged in parallel with the mold strip 6. The top of the third bracket 211 is U-shaped, and the lower part is provided with a support rod; a sliding rail is arranged on one side of the U-shaped top of the third bracket 211, the sliding rail is close to the injection molding machine assembly 22, and the other side of the sliding rail is fixed on a plane through a bracket foot. The lower part of the third bracket 211 is T-shaped. The translation assembly 212 is fixed within the top layer of the third support 211; the first grasping assembly 213 is secured to the bottom layer of the translation assembly 212. The third support 211 can adjust the position of the feeding and discharging assembly 21 on the operation conveying line part 11b by means of a slide rail, so that the feeding and discharging assembly 21 and the injection molding machine assembly 22 keep corresponding positions; the translation assembly 212 is used for taking the mold strip 6, i.e., for moving the mold strip 6 between the operating conveyor line portion 11b and the injection molding machine assembly 22; the first clamping assembly 213 is used for clamping the wire, and when the translation assembly 212 moves, the first clamping assembly 213 moves synchronously with the translation assembly 212, so that no relative displacement is generated between the wire and the USB port.

The translation assembly 212 includes a translation slide 2121, a first fixed plate 2122, a second fixed plate 2123, a first lift cylinder 2124, a first connecting rod 2125, a first translation cylinder 2126, a first mounting plate 2127, and a pick-up arm arrangement. Two ends of the first fixing plate 2122 are connected to the third bracket 211 through a translational sliding rail 2121, specifically, two translational sliding rails 2121 are respectively connected to two sides of the top of the third bracket 211, and the first fixing plate 2122 is connected to the translational sliding rail 2121 through a sliding block; the first translation cylinder 2126 is fixed on the translation slide rail 2121 at one side, and the first translation cylinder 2126 is connected with the first fixing plate 2122 through a translation slider; the first mounting plate 2127, the first fixing plate 2122 and the second fixing plate 2123 are arranged in parallel from bottom to top; the bottom of a first connecting rod 2125 is fixed to the first mounting plate 2127, the first connecting rod 2125 passes through the first fixing plate 2122, the first connecting rod 2125 is connected to the first fixing plate 2122 through a first bearing seat, and the top of the first connecting rod 2125 is connected to the second fixing plate 2123; a first lifting cylinder 2124 is fixed on the first fixing plate 2122, an output end of the first lifting cylinder 2124 is connected to the second fixing plate 2123, and the first lifting cylinder 2124 controls the second fixing plate 2123 and the first mounting plate 2127 to lift along a first connecting rod 2125; a U-shaped groove is formed in the middle of the first mounting plate 2127, the opening direction of the U-shaped groove faces the injection molding machine assembly 22, slide rails are arranged on two sides of the U-shaped groove respectively, a picking arm device 2128 is arranged on the first mounting plate 2127 on two sides of the U-shaped groove respectively, the picking arm device 2128 comprises a picking cylinder, a picking arm, a fixed picking block and a sliding picking block, the inner ends of the picking cylinder and the picking arm are fixed on the first mounting plate 2127, a sliding track is arranged on the picking arm, the fixed picking block is fixed at the outer end of the picking arm, the sliding picking block is connected to the sliding track, the output end of the picking cylinder is connected with the sliding picking block, the picking cylinder controls the sliding picking block to move on the sliding track, the sliding picking block and the fixed picking block are used for clamping the mold strip, and; when the translation assembly 212 is in use, the first lifting cylinder 2124 controls the second fixing plate 2123 and the first mounting plate 2127 to lift along the first connecting rod 2125, that is, the first lifting cylinder 2124 controls the selection of the up-down position of the pick-up arm device 2128; the first translation cylinder 2126 pushes the first fixing plate 2122 to translate in the front-back direction of the translation slide rail 2121, that is, the first translation cylinder 2126 controls the selection of the front-back direction position of the pick-up arm device 2128; to effect the pick-up arm arrangement to grip the mould strip 6 in position.

The first gripping assembly 213 includes a second lifting cylinder 2131, a cylinder mounting plate 2138, a second mounting plate 2132, a second connecting rod 2133, a second translation cylinder 2134, a tooth-shaped slider 2135, a rotating shaft 2136 and a first gripping hand 2137. The cylinder mounting plate 2138 is mounted on the second fixing plate 2123, the second lifting cylinder 2131 is mounted on the cylinder mounting plate 2138, the output shaft of the second lifting cylinder 2131 is connected with the second mounting plate 2132, the second mounting plate 2132 is connected with the first mounting plate 2127 through a guide post, the position of the second mounting plate 2132 is above the U-shaped groove, and the second lifting cylinder 2131 controls the second mounting plate 2132 to move up and down; a sliding groove is formed in the second mounting plate 2132, and the tooth-shaped sliding block 2135 is located in the sliding groove; the second translation cylinder 2134 is fixed on the second mounting plate 2132, the output end of the second translation cylinder 2134 is connected with the tooth-shaped sliding block 2135, the rotating shaft 2136 is connected with the second mounting plate 2132, the position of the rotating shaft 2136 is matched with the tooth-shaped sliding block 2135, and the tooth-shaped sliding block 2135 is connected with the first clamping hand 2137 through the rotating shaft 2136; the second translation cylinder 2134 controls the tooth-shaped sliding block 2135 to move in the sliding groove, the tooth-shaped sliding block 2135 drives the rotating shaft 2136 to rotate, the rotating shaft 2136 drives the first clamping hand 2137 to move, and the first clamping hand 2137 is used for clamping a wire rod. Tooth grooves are formed in two sides of the tooth-shaped sliding block 2135, and a track at the bottom of the tooth-shaped sliding block 2135 is clamped into a sliding groove of the second mounting plate 2132; the rotating shaft 2136 is provided with a gear which is meshed with the toothed sliding block 2135. The bottom of the rotating shaft 2136 is fixed on the second mounting plate 2132, and the rotating shaft 2136 is hinged with the first clamping hand 2137; the first clamping hand 2137 is in a plurality of steps, the uppermost step is hinged to the rotating shaft 2136, and the clamping mounting plate is fixed below the lowermost step and arranged in parallel. The lower parts of the clamping mounting plates are respectively provided with a plurality of first clamping hands 2137 in the same direction, and the first clamping hands 2137 on two sides are matched with each other to clamp wires above the die strips 6.

When the lifting device is used, the second lifting cylinder 2131 is used for controlling the vertical positions of the second mounting plate 2132 and the first clamping hand 2137 thereon, and the second translation cylinder 2134 is used for controlling the front and back positions of the tooth-shaped sliding block 2135 and the first clamping hand 2137 thereon. The clamping mounting plate at the tail end of the first clamping hand 2137 also moves inwards, and the distance of the first clamping hand 2137 below the clamping mounting plate is gradually reduced, so that the wire is clamped; when the toothed slide 2135 moves forward, the first gripper hand 2137 releases the wire.

The injection molding machine assembly 22 includes an injection molding machine stand 221, an injection molding machine feeder 222, a guide bar 223, a hold-down cylinder device 224, and a mold 225. The lower end of the guide rod 223 is connected to the pedestal 221 of the injection molding machine, and the upper end of the guide rod 223 is connected to the lower air cylinder device 224; the injection molding machine feed device 222 is connected to the hold-down cylinder device 224 through a feed tube. The mold 225 is divided into an upper mold and a lower mold. The upper die is fixed at the bottom of the lower air cylinder device 224, and a feeding channel is arranged on the upper die and connected with a feeding pipe. The lower mold is fixed on the injection molding machine pedestal 221, and the upper mold and the lower mold are matched and correspond to each other. Two positioning columns are arranged on the lower die and matched with the positioning holes 67 on the die strips 6. In use, when the feed and discharge assembly 21 places the mould strip 6 on the lower mould, the upper mould moves downwardly under the action of the hold-down cylinder device 224 to complete the mating with the lower mould. The injection molding machine feeding device 222 sends the injection molding material to the upper mold through the feeding pipe, and the injection molding work is completed. After the injection molding is completed, the upper mold and the lower mold are separated, and the mold strip 6 is taken out by the feeding and discharging assembly 21.

The material withdrawal assembly 23 includes a first tool translation cylinder 231, a tool mounting plate 232, a second tool translation cylinder 233, a tooth-shaped tool 234, and a material withdrawal guide plate 235. The cutter mounting plate 232 is connected with the slide rail on the first mounting plate 2127 through the slide blocks below the two sides; the output end of the first cutter translation cylinder 231 is connected with the cutter mounting plate 232, and the first cutter translation cylinder 231 is fixed on the first mounting plate 2127; the second cutter translation cylinder 233 is mounted on the cutter mounting plate 232, the second cutter translation cylinder 233 is connected with the toothed cutter 234, the head of the toothed cutter 234 is provided with two toothed knife edges, and the knife edges of the two toothed cutters 234 are matched with each other; the feed back guide plate 235 is fixed to the support rod of the third bracket 211, and the feed back guide plate 235 is located below the U-shaped groove of the first mounting plate 2127.

After the feeding and discharging assembly 21 takes out the die strip 6, when the feeding and discharging assembly 23 is pulled out for use, the first cutter translation cylinder 231 controls the cutter mounting plate 232 to move back and forth; the second cutter translation cylinder 233 controls the two toothed cutters 234 to slide left and right on the sliding track at the front end of the second cutter translation cylinder 233; the toothed cutters 234 are matched with each other to complete the cutting of the waste materials at the plastic-coated end of the USB port; the return guide plate 235 guides the cut-off return to the return box. The feed and discharge assembly 21 transports the die strip 6 back to the operative conveyor section 11 b.

As shown in fig. 15-17, the finished product blanking mechanism 3 includes a fourth bracket 31, a blanking sliding rail 32, a third fixing plate 33, a second sliding rail cylinder assembly 34, a third lifting cylinder 35, a third mounting plate 36, a material pushing assembly 37, a second clamping assembly 38, a third connecting rod 39, and a finished product placing assembly 30. The blanking sliding rails 32 and the second sliding rail cylinder assembly 34 are fixed at the top of the fourth bracket 31, and the two groups of blanking sliding rails 32 are arranged in parallel; the second slide rail cylinder assembly 34 is connected with a third fixing plate 33, and two sides of the third fixing plate 33 are respectively connected to the blanking slide rail 32 through slide blocks; the third lifting cylinder 35 is fixed on the bottom surface of the third fixing plate 33, and the output end of the third lifting cylinder 35 is connected with the third mounting plate 36; the third fixing plate 33 is connected with the third mounting plate 36 through a third connecting rod 39, the third lifting cylinder 35 controls the third mounting plate 36 to move up and down, and the second clamping assembly 38 is mounted on the third mounting plate 36; the pushing assembly 37 is connected to the second bracket 131, and the position of the second gripping assembly 38 matches the position of the pushing assembly 37. The finished product holding assembly 30 is disposed on the fourth bracket 31.

Finished product placing assembly 30 includes middle round bar and the flitch that connects of both sides thereof, and during the use the wire rod middle part is put on middle round bar, and the USB terminal at wire rod both ends is put respectively in connecing the flitch. When the device is used, the second sliding rail air cylinder assembly 34 pushes the third fixing plate 33 to move back and forth on the blanking sliding rail 32, and the third lifting air cylinder 35 controls the third mounting plate 36 to move up and down; after the second clamping assembly 38 clamps the wire at the USB interface end, the pushing assembly 37 pushes the USB terminal out of the mold strip 6, and the second clamping assembly 38 moves backward along with the third fixing plate 33, so that the USB terminal is separated from the mold strip 6, and the USB wire is placed on the finished product placing assembly 30. When taking out the finished product, the middle round rod is only needed to be taken down, and the plastic-coated finished product placed above the middle round rod can be completely taken down. And replacing the cylinder and continuously placing the finished product.

The pushing assembly 37 includes a pushing cylinder 371, a pushing mounting plate 372, a pushing needle 373, and a pushing fixing plate 374. The material pushing fixing plate 374 is fixed on the second bracket 131, the material pushing mounting plate 372 is located on a sliding chute of the material pushing fixing plate 374, the output end of the material pushing cylinder 371 is connected with one end of the material pushing mounting plate 372, the material pushing needle 373 is installed on the other end of the material pushing mounting plate 372, and the material pushing needle 373 faces the material pushing hole 64 in the mold strip 6. The pushing cylinder 371 pushes the pushing mounting plate 372 to slide on the sliding rail, and the pushing pin 373 pushes the USB terminal out of the mold strip 6 through the pushing hole 64, so as to facilitate the clamping of the second clamping assembly 38. The second gripper assembly 38 includes a gripper cylinder 381, a gripper fixing plate 382, a gripper mounting plate 383, and a second gripper hand 384. The grip fixing plate 382 is fixed to the third mounting plate 36, the grip mounting plate 383 is attached to the grip fixing plate 382, and the second grip 384 is mounted to the grip mounting plate 383. The left side and the right side of the clamping fixing plate 382 are convex, and the front side and the rear side of the protruding part of the clamping fixing plate 382 are respectively provided with a sliding track; the clamping cylinders 381 are respectively fixed on the front and rear sides of the clamping fixing plate 382; the inner sides of the clamping hand mounting plates 383 are respectively mounted on the sliding tracks of the clamping fixing plate 382 through sliding blocks, and one side of the clamping hand mounting plates is connected with a piston rod of the clamping cylinder 381 through a connecting plate; the middle part of the connecting plate is connected with one side of the clamping fixing plate 382 through bolts; the gripper mounting plates 383 and the second grippers 384 thereon are two symmetrical groups, a plurality of second grippers 384 are respectively mounted below the gripper mounting plates 383, and the second grippers 384 are arranged on the two gripper mounting plates 383 in a central symmetry; second grasping assembly 38 is generally centrally symmetric. The clamping cylinder 381 pushes the clamping hand mounting plates 383 to move towards each other, and the second clamping hand 384 mounted on the clamping hand mounting plates 383 acts to clamp the wire rod pushed out from the die strip 6 by the pushing assembly 37.

As shown in fig. 18, the die-strip circulating mechanism 4 includes a fifth bracket 41, a fourth lifting cylinder 42, a support rod 43, a support base 44, a die-strip base 45, and a die-strip pushing assembly 46. The fifth support 41 is installed at the tail end of the rack 14, the fourth lifting cylinder 42 and the supporting seat 44 are fixedly installed on the fifth support 41, the output end of the fourth lifting cylinder 42 is connected with the die strip seat 45, a die strip groove for placing a die strip is formed in the die strip seat 45, the die strip groove is connected with a slide way of the slide way assembly 133 and an empty material belt line, and the die strip groove and the slide way of the slide way assembly 133 are located on the same straight line. The supporting rod 43 is mounted on the supporting seat 44 through a bearing seat, and the top end of the supporting rod 43 is connected to the moulding seat 45. The fourth elevating cylinder 42 controls the movement of the bar stock 45 up and down.

The stripper bar assembly 46 includes a stripper shoe mounting plate 461, a stripper shoe 462, a stripper shoe 463, and a fourth translation cylinder 464. The push rod slide rail mounting plate 461 is fixed on the fifth bracket 41; the push rod slide rail 462 is fixed on the push rod slide rail mounting plate 461, and the push rod 463 is connected on the push rod slide rail 462; a fourth translation cylinder 464 is arranged at the discharge end of the second bracket 131, and the output end of the fourth translation cylinder 464 is connected with a push rod 463; a fourth translation cylinder 464 controls the movement of a push rod 463 on the push rod slide 462, the position of the push rod 463 corresponding to the die bar holder 45.

When the mold strip circulating mechanism 4 is used, the fourth lifting cylinder 42 controls the mold strip seat 45 to move to the highest position, and the mold strip 6 is pushed to the mold strip seat 45 by the positioner component 135; the fourth lifting cylinder 42 controls the mould strip seat 45 to move downwards until the mould strip seat 45 is connected with the empty belt line. And the die strip pushing assembly 46 acts, the fourth translation cylinder 464 controls the push rod 463 to push the die strip 6 to the feeding end of the empty material belt line, and the empty die strip 6 moves on the empty material belt line until the discharging end of the empty material belt line.

As shown in fig. 19, the molding strip feeding mechanism 5 includes a sixth bracket 51, a feeding fixing plate 52, a feeding mounting plate, a fifth lifting cylinder 53, a third belt line 54, a feeding connecting rod 55, and a second motor. The sixth bracket 51 is fixed to the front end of the chassis 14. The feeding fixing plate 52 is installed on the sixth support 51, the feeding fixing plate 52 is connected with a feeding installation plate above the feeding fixing plate through a feeding connecting rod 55, the fifth lifting cylinder 53 is installed on the sixth support 51, and the output end of the fifth lifting cylinder 53 is connected with the feeding installation plate; the third belt line 54 and the second motor are mounted on the feeding mounting plate, the third belt line 54 comprises a feeding belt line seat and a feeding belt line thereon, the second motor controls the feeding belt line to move, and the feeding belt line is connected with the discharge end of the empty belt line and the feed end of the first belt line 114.

When the mould strip feeding mechanism 5 is used, the fifth lifting cylinder 53 controls the feeding mounting plate to descend until the feeding belt line is connected with the discharging end of the empty belt line, and the empty mould strip is conveyed to the feeding belt line from the empty belt line. Then the fifth lifting cylinder 53 controls the feeding mounting plate to ascend until the feeding belt line is connected with the feeding end of the first belt line 114, and the empty mold strip is conveyed to the first belt line 114 through the feeding belt line.

Claims (5)

1. The automatic USB wire forming machine is characterized by comprising a jig slideway mechanism, a plastic coating mechanism, a finished product discharging mechanism, a mould strip circulating mechanism, a mould strip feeding mechanism and a mould strip; two ends of the jig slide mechanism are respectively connected with the die strip feeding mechanism and the die strip circulating mechanism, and the plastic coating mechanism and the finished product discharging mechanism correspond to the die strips on the jig slide mechanism;

   the mould strip is provided with a plastic inlet groove, a USB interface end groove, a positioning pull groove and a material pushing hole, the USB interface end groove is internally inserted with a plug board connected with a USB terminal, the positioning pull groove is positioned at the bottom of the front end of the mould strip, and the material pushing hole is positioned below the USB interface end groove;

   the jig slide mechanism comprises a rack, a material carrying and conveying device, a wire protecting device and an empty material conveying device, wherein the empty material conveying device is fixed on the rack, the bottom of the material carrying and conveying device is fixed on the empty material conveying device, and the wire protecting device is installed on the material carrying and conveying device;

   the material loading conveying line device is divided into a material loading conveying line part and an operation conveying line part along the moving direction of the die strip; part of the feeding end of the feeding conveying line is connected with the die strip feeding mechanism; the feeding conveying line part comprises a first support, and a first motor, a sensor, a first belt line, a limiting assembly, a blocking rod and an intercepting assembly which are arranged on the first support; the sensor is used for detecting the position of the mould strip; the intercepting rod is positioned in the middle of the first support; the intercepting component is positioned at the discharging end of the feeding conveying line part and comprises an intercepting cylinder and an intercepting plate arranged on the intercepting cylinder, the intercepting cylinder is arranged on the first support, and the position of the intercepting plate corresponds to the die strip;

   the operation conveying line part comprises a second bracket, a conveying cylinder, a slideway assembly, a conveying pull rod and a positioning frame assembly; the slide way assembly is arranged on the second support, a slide way for the mould strip to move linearly is arranged on the slide way assembly, and the slide way and a limiting channel on the feeding conveying line part are in the same straight line; the conveying pull rod and the positioning frame assembly are positioned below the slideway assembly, the upper end of the conveying pull rod is matched with the positioning pull groove, and the output end of the conveying cylinder is connected with the conveying pull rod; the conveying cylinder is connected to the second support through a cylinder seat, and the conveying pull rod is connected to the second support through a slide rail seat;

   the positioning frame assembly comprises a support seat, a positioning support, a material stirring claw and a spring, the support seat is fixed on the conveying pull rod, the positioning support is installed on the support seat, the bottom of the material stirring claw is rotatably connected with the positioning support through a pin shaft, two ends of the spring are respectively connected with the positioning support and the material stirring claw, and the top of the material stirring claw is matched with the positioning pull groove;

   the operation conveying line part is sequentially divided into a forming station, a material taking station and a mould strip transferring station along the moving direction of the mould strip, the position of the plastic coating mechanism corresponds to the forming station, the position of the finished product blanking mechanism corresponds to the material taking station, and the discharge end of the mould strip transferring station is connected with a mould strip circulating mechanism;

   the feeding end of the empty material conveying line device is connected with the die strip circulating mechanism, and the discharging end of the empty material conveying line device is connected with the die strip feeding mechanism; the empty material conveying line device comprises an empty material conveying frame, an empty material conveying motor, an empty material belt line and a second limiting assembly, wherein the empty material conveying frame is fixed at the top of the rack, and the bottoms of the first support and the second support are fixed on the empty material conveying frame; the empty material conveying motor drives the empty material belt line to move, the second limiting assembly is positioned above the empty material belt line, and a second limiting channel enabling the die strip to move linearly along the empty material belt line is arranged on the second limiting assembly;

   the plastic coating mechanism comprises a feeding and discharging assembly, an injection molding machine assembly and a drawing and returning assembly, the feeding and discharging assembly and the injection molding machine assembly are respectively positioned at two sides of the operating conveying line part, and the drawing and returning assembly is arranged on the feeding and discharging assembly;

   the feeding and discharging assembly comprises a third support, a translation assembly and a first clamping assembly, the translation assembly is installed on the third support, and the first clamping assembly is installed on the translation assembly; the top of the third bracket is U-shaped, and the lower part of the third bracket is provided with a supporting rod;

   the translation assembly comprises a translation sliding rail, a first fixing plate, a second fixing plate, a first lifting cylinder, a first connecting rod, a first translation cylinder, a first mounting plate and a picking arm device; the first fixing plate is connected with the third bracket through a translation sliding rail, and the first fixing plate is connected on the translation sliding rail through a sliding block; the first translation cylinder is fixed on the translation sliding rail and connected with the first fixing plate; the first mounting plate, the first fixing plate and the second fixing plate are arranged in parallel from bottom to top; the bottom of a first connecting rod is fixed on the first mounting plate, the first connecting rod penetrates through the first fixing plate, and the top of the first connecting rod is connected to the second fixing plate; the first lifting cylinder is fixed on the first fixing plate, the output end of the first lifting cylinder is connected with the second fixing plate, and the first lifting cylinder controls the second fixing plate and the first mounting plate to lift along the first connecting rod; the middle part of the first mounting plate is provided with a U-shaped groove, the opening direction of the U-shaped groove faces towards the injection molding machine assembly, two sides of the U-shaped groove are respectively provided with a slide rail, and the first mounting plate is provided with a picking arm device; the first clamping assembly comprises a second lifting cylinder, a cylinder mounting plate, a second connecting rod, a second translation cylinder, a tooth-shaped sliding block, a rotating shaft and a first clamping hand; the cylinder mounting plate is mounted on the second fixing plate, the second lifting cylinder is mounted on the cylinder mounting plate, the output shaft of the second lifting cylinder is connected with the second mounting plate, the second mounting plate is connected to the first mounting plate through a guide pillar, the second mounting plate is positioned above the U-shaped groove, and the second lifting cylinder controls the second mounting plate to move up and down; a sliding groove is formed in the second mounting plate, and the toothed sliding block is positioned in the sliding groove; the second translation cylinder is fixed on the second mounting plate, the output end of the second translation cylinder is connected with the toothed sliding block, the rotating shaft is connected on the second mounting plate, the position of the rotating shaft is matched with the toothed sliding block, and the toothed sliding block is connected with the first clamping hand through the rotating shaft; the second translation cylinder controls the tooth-shaped sliding block to move in the sliding chute, the tooth-shaped sliding block drives the rotating shaft to rotate, and the rotating shaft drives the first clamping hand to move;

   the injection molding machine assembly comprises an injection molding machine pedestal, an injection molding machine feeding device, a guide rod, a pressing cylinder device and a mold; the lower end of the guide rod is connected to a pedestal of the injection molding machine, and the upper end of the guide rod is connected with the lower pressing cylinder device; the feeding device of the injection molding machine is connected with the lower pressing cylinder device through a feeding pipe; the die is divided into an upper die and a lower die; the upper die is fixed at the bottom of the lower air cylinder device, and a feeding channel is arranged on the upper die and is connected with a feeding pipe; the lower die is fixed on a pedestal of the injection molding machine, and the upper die and the lower die are matched and correspond to each other;

   the material pulling and returning assembly comprises a first cutter translation cylinder, a cutter mounting plate, a second cutter translation cylinder, a tooth-shaped cutter and a material returning guide plate; the cutter mounting plate is connected with the first mounting plate; the output end of the first cutter translation cylinder is connected with the cutter mounting plate, and the first cutter translation cylinder is fixed on the first mounting plate; the second cutter translation cylinder is arranged on the cutter mounting plate and connected with a tooth-shaped cutter, and the head of the tooth-shaped cutter is provided with a tooth-shaped cutter edge; the feed back guide plate is fixed on the support rod of the third support and is positioned below the U-shaped groove of the first mounting plate;

   the finished product blanking mechanism comprises a fourth bracket, a blanking sliding rail, a third fixing plate, a second sliding rail air cylinder assembly, a third lifting air cylinder, a third mounting plate, a pushing assembly, a second clamping assembly, a third connecting rod and a finished product placing assembly; the blanking sliding rail and the second sliding rail air cylinder assembly are fixed at the top of the fourth bracket; the second sliding rail air cylinder assembly is connected with a third fixing plate, and the third fixing plate is connected to the blanking sliding rail; the output end of the third lifting cylinder is connected with a third mounting plate; the third fixing plate is connected with the third mounting plate through a third connecting rod, the third lifting cylinder controls the third mounting plate to move up and down, and the second clamping assembly is mounted on the third mounting plate; the pushing assembly is connected to the second support, and the position of the second clamping assembly is matched with that of the pushing assembly; the finished product placing assembly is arranged on the fourth bracket;

   the material pushing assembly comprises a material pushing cylinder, a material pushing mounting plate, a material pushing needle and a material pushing fixing plate; the pushing fixing plate is fixed on the second bracket, the pushing mounting plate is positioned on a chute of the pushing fixing plate, the output end of the pushing cylinder is connected with one end of the pushing mounting plate, the pushing needle is arranged at the other end of the pushing mounting plate, and the pushing needle faces to a pushing hole in the die strip; the pushing cylinder pushes the pushing mounting plate to slide on the sliding rail, and the pushing needle pushes the USB terminal out of the die strip through the pushing hole, so that the second clamping assembly can be clamped conveniently; the second clamping assembly comprises a clamping cylinder, a clamping fixing plate, a clamping hand mounting plate and a second clamping hand; the clamping fixing plate is fixed on the third mounting plate, the clamping hand mounting plate is connected to the clamping fixing plate, and the second clamping hand is mounted on the clamping hand mounting plate;

   the die strip circulating mechanism comprises a fifth bracket, a fourth lifting cylinder, a supporting rod, a supporting seat, a die strip seat and a die strip pushing assembly; the fifth support is arranged on the rack, the fourth lifting cylinder and the supporting seat are fixedly arranged on the fifth support, the output end of the fourth lifting cylinder is connected with the die strip seat, a die strip groove for placing a die strip is formed in the die strip seat, the die strip groove is connected with a slideway of the slideway assembly and an empty material belt line, and the die strip groove and the slideway of the slideway assembly are positioned on the same straight line; the supporting rod is arranged on the supporting seat through a bearing seat, and the top end of the supporting rod is connected to the die strip seat; the fourth lifting cylinder controls the strip seat to move up and down;

   the mold pushing strip assembly comprises a push rod slide rail mounting plate, a push rod slide rail, a push rod and a fourth translation cylinder; the push rod slide rail mounting plate is fixed on the fifth bracket; the push rod slide rail is fixed on the push rod slide rail mounting plate, and the push rod is connected to the push rod slide rail; the output end of the fourth translation cylinder is connected with the push rod; the fourth translation cylinder controls the push rod to move on the push rod slide rail, and the position of the push rod corresponds to the position of the die strip seat;

   the die strip feeding mechanism comprises a sixth bracket, a feeding fixing plate, a feeding mounting plate, a fifth lifting cylinder, a third belt line, a feeding connecting rod and a second motor; the sixth bracket is fixed on the front end of the frame; the feeding fixing plate is arranged on the sixth support and connected with a feeding mounting plate above the feeding fixing plate through a feeding connecting rod, the fifth lifting cylinder is arranged on the sixth support, and the output end of the fifth lifting cylinder is connected with the feeding mounting plate; the third belt line and the second motor are installed on the feeding installation plate, the third belt line comprises a feeding belt line seat and a feeding belt line on the feeding belt line seat, the second motor controls the feeding belt line to move, and the feeding belt line is connected with the discharging end of the empty feeding belt line and the feeding end of the first belt line.
2. 2. The automatic USB wire molding machine according to claim 1, wherein the mold strip is further provided with a limiting post, a boss and a positioning hole, the boss is located below the USB interface end slot, the limiting post is located above the USB interface end slot, and the positioning hole is located on the bottom surface of the mold strip; two positioning columns are arranged on the lower die and matched with the positioning holes in the die strips.
3. 3. The automatic USB wire molding machine according to claim 1, wherein the wire guard device comprises a cylindrical rod and a mounting member, the cylindrical rod is connected to the first bracket and the second bracket by the mounting member, and the position of the cylindrical rod on the first bracket is on the rear side of the intercepting bar.
4. 4. The automatic USB wire molding machine according to claim 1, wherein the pick-up arm device comprises a pick-up cylinder, a pick-up arm, a fixed pick-up block and a sliding pick-up block, the pick-up cylinder and the inner end of the pick-up arm are fixed on the first mounting plate, the pick-up arm is provided with a sliding track, the fixed pick-up block is fixed at the outer end of the pick-up arm, the sliding pick-up block is connected on the sliding track, the output end of the pick-up cylinder is connected with the sliding pick-up block, and the pick-up cylinder controls the sliding.
5. 5. The automatic USB wire molding machine according to claim 1, wherein the finished product placing assembly comprises a middle round bar and material receiving plates at two sides of the middle round bar.

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