CN112467494A

CN112467494A - Bending and cutting machine for automobile connector terminals

Info

Publication number: CN112467494A
Application number: CN202011468613.XA
Authority: CN
Inventors: 程美
Original assignee: Hunan Automotive Engineering Vocational College
Current assignee: Tianjin Liye Machinery & Electronic Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-03-09
Anticipated expiration: 2040-12-14
Also published as: CN112467494B

Abstract

The invention provides an automobile connector terminal bending and cutting machine which comprises a rack and a bending and cutting machine body, wherein the bending and cutting machine body comprises a bottom plate, a terminal feeding device, a bending pin inserting device, a terminal flattening device, a mold core feeding manipulator, a mold core reflux device, a pin inserting mold core carrying manipulator, a servo dislocation device, a mold core output detection device and a recovery box. The invention provides a bending and cutting machine for a terminal of a bending automobile connector, which can realize automatic terminal body installation, has high installation precision and high installation efficiency.

Description

Bending and cutting machine for automobile connector terminals

Technical Field

The invention relates to the technical field of part pin bending, in particular to a bending and cutting machine for an automobile connector terminal.

Background

The terminal quantity of automobile connector is many, and density is big, and automobile connector requires highly to the terminal, and automobile connector generally is two or multirow terminals, and current terminal bender equipment, terminal angle are difficult to control, and terminal installation effectiveness is low, causes the precision of bending poor, and based on above defect and not enough, it is necessary to improve current technique.

Many of the existing automotive electronic connectors are electrically connected by using pin pins, some pins need to be bent, and most of the existing bending devices adopt a stamping mode to bend, for example, patent CN 107052198A discloses a pin bending machine which adopts a stamping mode to realize pin bending and synchronously bends all pins so as to improve efficiency; however, many electronic connectors have a plurality of rows of pins, and the width and thickness of different pins are different, so that if the pins are bent synchronously, the force applied to each pin is the same, and the bending effect on different pins is obviously different, which affects the connection effect of the connector.

Disclosure of Invention

The invention provides a bending and cutting machine for a terminal of a bending automobile connector, which can realize automatic terminal body installation, has high installation precision and high installation efficiency.

In order to achieve the purpose, the bending and cutting machine for the automobile connector terminal comprises a rack and a bending and cutting machine body, wherein the bending and cutting machine body is arranged in the rack; the bending cutting machine body comprises a bottom plate, a terminal discharging device, a bending pin device, a terminal flattening device, a die core feeding manipulator, a die core reflux device, a pin core carrying manipulator, a servo dislocation device, a die core output detection device and a recovery box, wherein the terminal discharging device is arranged above the bottom plate, more than one terminal discharging device is arranged, the bending pin device is arranged below the terminal discharging device and is fixedly connected with the bottom plate, the terminal flattening device is arranged at one side of the bending pin device and is fixedly connected with the bottom plate, the servo dislocation devices are sequentially connected according to the conveying direction of the die cores and are fixedly connected with the bottom plate, the terminal flattening devices are respectively arranged between the adjacent servo dislocation devices and at the tail end of the last servo dislocation device and are fixedly connected with the bottom plate, and the die core reflux device is parallelly arranged in the direction of the servo dislocation devices and is fixedly connected with the bottom plate, the mould core feeding manipulator is arranged on one side of the previous servo dislocation device and one side of the mould core reflux device and fixedly connected with the bottom plate, a needle inserting mould core carrying manipulator is arranged between the adjacent servo dislocation devices and at the tail end of the last servo dislocation device respectively and is fixedly connected with the bottom plate, the mould core output detection device is arranged at the tail end of the last terminal flattening device and is fixedly connected with the bottom plate, the conveying direction of the mould core output detection device is opposite to that of the mould core reflux device, and the recovery box is arranged below the bent needle inserting device and is fixedly connected with the bottom plate.

The terminal discharging device comprises a terminal discharging rack, a terminal receiving rack, a terminal guiding rack, a discharging tray, a discharging motor, a receiving tray, a receiving motor, a guiding groove and a receiving groove.

The terminal feeding rack is arranged on the rack, the terminal receiving rack is positioned in front of the terminal feeding rack, the terminal guiding rack is arranged on the bottom plate, and the terminal guiding rack is positioned between the terminal feeding rack and the terminal receiving rack; the discharging motor is installed on the terminal discharging rack, the output end of the discharging motor is fixedly connected with the discharging disc, the receiving disc is arranged on one side of the discharging disc, the receiving motor is installed on the terminal receiving rack, the output end of the receiving motor is fixedly connected with the receiving disc, the guide chute is arranged below one side, close to the receiving disc, of the discharging disc, the guide chute is installed on the guide rack, the guide chute transversely extends rightwards from one end to the other end and then extends downwards, a terminal input guide column is arranged at one end, close to the discharging disc, of the guide chute, and a terminal output guide column is arranged at one end, close to the bending pin inserting device, of the other end of the guide; receive the vertical back that extends of silo and transversely extend to the left side, the vertical extending part of receiving the silo is located the right side of baffle box, the horizontal extending part of receiving the silo is located the below of baffle box, the horizontal extending free end of receiving the silo is equipped with downward convex receipts material input guide roll, the right side that is located receipts material input guide roll on receiving the silo is equipped with the leading wheel, be equipped with the conveyer trough between leading wheel and the receiving silo, be equipped with to the convex receipts material output guide roll in right side in the upper end of receiving the silo.

The bending pin device comprises a bending rack, a cam feeding device, a bending die, a cam transmission mechanism, a terminal cutting module, a terminal carrying module and a bending drive, wherein the bending rack is fixedly connected with the bottom plate; the terminal cutting module comprises a cutting frame, a cutting base, a cutting support, a cutting cylinder, a cutting tool, a cutting positioning rod, a cutting positioning plate, a cutting guide pillar, a cutting guide sleeve and a mold core pushing device, wherein the cutting frame is fixedly connected to one side of a bending frame, the cutting support is fixedly connected to the top of the cutting frame, one side of the cutting support is provided with a cutting chute, the cutting base is arranged on one side of the cutting chute and is fixedly connected with the bending frame, the cutting cylinder is arranged on the top of the cutting support, the cutting tool is in sliding connection with the cutting chute, the output end of the cutting cylinder is fixedly connected with the cutting tool, the cutting guide pillar is fixedly connected with the cutting tool, the cutting guide sleeve is arranged on the cutting base, the cutting positioning plate is fixedly connected to the cutting base, one end of the cutting positioning rod is elastically connected to, the cutting base is provided with a cutting material outlet below the cutting tool, and the mold core pushing and pressing device is arranged at the bottom of the cutting frame.

Servo dislocation device is including carrying the frame, carry the guide rail, carry the motor, the unblock piece, contact pin mold core bearing, mold core holder and transport lead screw, carry frame and bottom plate fixed connection, carry the guide rail setting at the top of carrying the frame and carry frame fixed connection, carry motor one side fixed connection at carrying the frame, contact pin mold core bearing is equipped with the bearing spout, carry the guide rail to pass bearing spout and contact pin mold core bearing swing joint, carry the lead screw setting at carrying the frame top, contact pin mold core bearing bottom is connected with carrying the lead screw, mold core holder fixed connection is at contact pin mold core bearing top, carry the one end of lead screw and carry motor's output fixed connection, the fixed one side that is close to servo dislocation device at terminal transport module that sets up of unblock piece.

The mold core clamping seat comprises a base fixing plate, a mold core base, a roller clamping rod, a clamping fixing seat, a clamping fixing block, a clamping cover plate, a clamping sliding block and a mold core positioning shaft; the base fixing plate is installed on the pin mold core bearing seat, the mold core base is fixedly connected to the top of the base fixing plate, the mold core base is provided with a clamping guide groove and a clamping sliding groove, the clamping guide groove is connected with the clamping sliding groove, the clamping guide groove is vertically arranged, the clamping sliding groove is transversely arranged, and a clamping limiting plate is installed at the tail part of the mold core base and at the tail part of the clamping sliding groove; one end of the roller clamping rod is slidably arranged in the clamping chute, a clamping spring is arranged between the roller clamping rod and the clamping limiting plate, and a clamping driving block which penetrates through the clamping guide groove is arranged on the roller clamping rod; the other end of the roller clamping rod extends out of the mold core base and extends towards the unlocking block, and a roller is arranged at one end, close to the unlocking block, of the roller clamping rod; the clamping fixing seat is arranged on the mold core base, and a clamping guide groove is formed in the clamping fixing seat; the clamping fixing block is arranged on the mold core base positioned on one side of the clamping fixing seat, and an accommodating cavity is formed between the clamping fixing block and the clamping fixing seat; the clamping slide block is arranged in the clamping guide groove in a sliding mode, one end of the clamping slide block extends into the containing cavity, a driving hole is formed in the clamping slide block, and the clamping driving block extends into the driving hole; the clamping cover plate is arranged on the clamping fixed seat and covers the clamping slide block; a clamping abutting stop block acting with the clamping cover plate is arranged at the tail part of the clamping slide block; the mold core positioning shaft is arranged at one end of the clamping slide block close to the containing cavity, and the mold core positioning shaft extends out of the clamping slide block.

The mold core reflux device comprises a reflux frame, a mold core feeding frame, a reflux motor, a reflux conveyer belt, a mold core feeding slide rail, a mold core feeding slide seat, a mold core feeding fixed block and a mold core feeding air cylinder, wherein the reflux frame and the mold core feeding frame are fixedly connected on a bottom plate, the reflux frame and the mold core feeding frame are respectively arranged at two ends of the reflux conveyer belt, the reflux motor is fixedly connected with the reflux frame, the output end of the reflux motor is connected with the reflux conveyer belt, the mold core feeding slide rail is fixedly connected with the mold core feeding frame, a mold core reflux limiting block is arranged at one end of the mold core feeding slide rail for feeding, the other end of the mold core feeding slide rail is connected with the mold core feeding frame, the mold core feeding slide seat is fixedly connected at the top of the mold core feeding, the mold core feeding sliding seat is provided with a mold core feeding groove position at one side close to the mold core feeding fixed block, the output end of the mold core feeding air cylinder is fixedly connected with the mold core feeding sliding seat, and the mold core feeding air cylinder is fixedly connected with the mold core feeding rack.

The mold core feeding manipulator comprises a feeding rack, a feeding bottom plate, a feeding fixed plate, a feeding mounting plate, a feeding manipulator, a feeding Y-axis cylinder, a feeding Z-axis cylinder and a feeding clamping cylinder, wherein the feeding rack is fixedly connected to the bottom plate, the feeding bottom plate is fixedly connected with the feeding rack, a feeding Y-axis slide rail is arranged on the feeding bottom plate, a feeding Y-axis slide groove is arranged on one side of the feeding fixed plate, the feeding fixed plate is connected with the feeding Y-axis slide groove in a matched and sliding manner through the feeding Y-axis slide rail and the feeding Y-axis slide groove, one end of the feeding Y-axis cylinder is fixedly connected to the top of the feeding bottom plate, the output end of the feeding Y-axis cylinder is fixedly connected with the feeding fixed plate, a feeding Z-axis slide rail is arranged on the feeding fixed plate, a corresponding feeding Z-axis slide groove is arranged on the feeding mounting plate, the feeding mounting plate is connected with the feeding fixed plate in a sliding manner through the matching of the feeding Z-axis slide rail and the feeding, the output end of the feeding mechanical arm and the output end of the feeding clamping cylinder are fixedly connected, the feeding Z-axis cylinder is fixedly connected with the feeding fixing plate, and the output end of the feeding Z-axis cylinder is fixedly connected with the feeding mounting plate.

The contact pin mold core carrying manipulator comprises a manipulator frame, a manipulator fixing plate, a manipulator connecting plate, a manipulator X-axis slide rail, a manipulator X-axis cylinder, a manipulator Z-axis cylinder, a second manipulator Z-axis cylinder, a contact pin mold core clamping manipulator and a second contact pin mold core clamping manipulator, wherein the manipulator frame is fixedly connected to a bottom plate, the manipulator fixing plate is fixedly connected with the manipulator frame, the manipulator X-axis slide rail is fixedly connected to one side of the manipulator fixing plate, the manipulator X-axis cylinder is fixedly connected to the manipulator fixing plate, a dodging groove is formed in the manipulator fixing plate, the output end of the manipulator X-axis cylinder penetrates through the dodging groove to be fixedly connected with the manipulator connecting plate, a slide groove corresponding to the manipulator X-axis slide rail is formed in one side of the manipulator connecting plate, the manipulator connecting plate is in matched sliding connection with the manipulator X-axis slide, the manipulator Z axle cylinder is installed on the manipulator connecting plate, and the perpendicular seat of manipulator is connected to the output of manipulator Z axle cylinder, and contact pin mold core centre gripping manipulator fixed connection is in the perpendicular seat of manipulator and is close to one side of servo dislocation device, and second manipulator Z axle cylinder is installed on the manipulator connecting plate, and the perpendicular seat of second manipulator is connected to the output of second manipulator Z axle cylinder, and second contact pin mold core centre gripping manipulator fixed connection is on the perpendicular seat of second manipulator.

The terminal flattening device comprises a flattening rack, a flattening bearing seat, a flattening support, a flattening Y-axis cylinder, a flattening Y-axis slide rail, a flattening Z-axis cylinder and a flattening slide block, wherein the flattening rack is fixedly arranged on a bottom plate, the flattening bearing seat is fixedly connected to one side of the flattening rack, the flattening Y-axis slide rail is fixedly connected with the flattening rack, the bottom of the flattening rack is provided with a slide groove corresponding to the flattening Y-axis slide rail, the flattening support is in sliding connection with the flattening rack through the matching of the slide groove and the flattening Y-axis slide rail, the flattening Y-axis cylinder is fixedly connected with the flattening rack, the output end of the flattening Y-axis cylinder is fixedly connected with the flattening support, the flattening support is provided with a flattening Z-axis slide groove at one side close to the flattening support, one side of the flattening slide block is provided with a slide rail corresponding to the flattening Z-axis slide groove, the flattening slide block is in sliding connection with the flattening support through the matching of the slide rail and the flattening Z-axis slide rail, and one side of the flattening slide, the patting Z-axis cylinder is fixedly connected with the patting support at the top of the patting Z-axis sliding groove, the output end of the patting Z-axis cylinder is fixedly connected with the patting sliding block, the patting sliding block is connected with the patting seat, and the patting seat is provided with a pin die core groove.

The mold core output detection device comprises a detection rack, a pin mold core conveyer belt rack, a detection cylinder, a detection slide rail, a detection bearing seat, a pin mold core detection device and a pin mold core output limiting block, wherein the pin mold core conveyer belt rack is fixedly connected with a bottom plate, the detection rack is arranged on one side of the pin mold core conveyer belt rack and is fixedly connected with the bottom plate, the top of the detection rack is provided with a detection mounting plate, the pin mold core conveyer belt is fixedly connected with the top of the pin mold core conveyer belt rack through a conveying wheel and drives the pin mold core conveyer belt through a motor, the pin mold core output limiting block is arranged on one end of the pin mold core conveyer belt far away from the detection rack and is fixedly connected with the pin mold core conveyer belt rack, the detection side bearing seat is arranged close to the detection, the detection bottom plate is provided with a detection slide block on one side of the detection frame close to the detection bearing, the detection slide rail is connected with the detection slide block in a sliding manner, the bottom of the contact pin mold core detection device is provided with a detection slide block corresponding to the detection slide rail, the contact pin mold core detection device is connected with the detection frame in a sliding manner through the cooperation of the detection slide block and the detection slide rail, the detection cylinder is fixedly connected with the detection frame on one side of the detection bearing away from the detection slide rail, the output end of the detection cylinder is fixedly connected with the contact pin mold core detection device, and the detection bearing is provided.

The pin core detection device comprises a detection bottom plate, a detection probe combination fixing plate, a detection probe combination, a terminal probe tube fixing plate, a terminal probe tube fixing block and a pin core positioning pin, wherein the bottom of the detection bottom plate is fixedly connected with a detection slide block, the detection probe combination fixing plate is fixedly connected to one side, close to a detection cylinder, of the top of the detection bottom plate, the detection probe combination penetrates through the detection probe combination fixing plate and is fixedly arranged on the detection probe combination fixing plate, the terminal probe tube fixing plate is fixedly connected with the detection bottom plate between the detection probe combination fixing plate and a detection bearing seat, one end of the terminal probe tube is fixedly connected to the terminal probe tube fixing plate, the other end of the terminal probe tube penetrates out of the terminal probe tube fixing block, a spring is arranged in the middle of the terminal probe tube and is elastically, the other end of the pin mold core positioning pin extends towards the detection bearing direction, a detection stroke nut is further arranged on one side of the detection bottom plate, and a detection stroke stop block is arranged on the detection rack.

According to the invention, the terminal discharging device 11 is used for discharging, the pin bending device 21 is used for positioning, smoothing and conveying the connector terminal, then the bending mold core is used for cutting and bending the second connecting part, and the first connecting part is cut after bending to form an independent terminal body. And then, the terminal body is placed into a die core of the servo dislocation device through the pin bending device 21, the die core is obtained from a die core reflux device 31 through a die core feeding manipulator 32, then the terminal body is installed and leveled through a terminal leveling device 51, and the terminal body is detected and output through a die core output detection device 7. Therefore, the automatic terminal body installation can be realized, the installation precision is high, and the installation efficiency is high.

Drawings

Fig. 1 is a schematic view of the automobile connector terminal bending and cutting machine of the present invention with the top plate removed.

Fig. 2 is a schematic structural view of the bending and cutting machine body according to the present invention.

Fig. 3 is a schematic structural view of the terminal discharging device of the present invention.

Fig. 4 is a schematic structural diagram of a bending pin device in the invention.

Fig. 5 is a schematic structural diagram of the cam feeding device in the invention.

Fig. 6 is a schematic diagram of a disassembled structure of the terminal leveling device in the present invention.

Fig. 7 is an exploded view of the ride-through detection apparatus.

Fig. 8 is an exploded view of the terminal positioning device.

Fig. 9 is a schematic structural view of a bending die in the present invention.

Fig. 10 is a schematic view of a split structure of the bending die in the present invention.

Fig. 11 is an exploded view of the lower die.

Fig. 12 is an exploded view of the upper die.

Fig. 13 is an exploded view with the upper mold inverted.

FIG. 14 is an exploded view of the bend drive and cam gear mechanism.

FIG. 15 is an exploded view of the bend drive and cam gear mechanism from another perspective.

Fig. 16 is a schematic structural diagram of a terminal trimming module according to the present invention.

Fig. 17 is a schematic structural view of a terminal conveying module according to the present invention.

Fig. 18 is a schematic diagram of a disassembled structure of the terminal carrying module in the invention.

Fig. 19 is a schematic view showing the structure of the terminal-flattening apparatus according to the present invention.

Fig. 20 is a schematic structural view of the core reflow apparatus in the present invention.

Fig. 21 is a partial enlarged view of a portion a in fig. 20.

Fig. 22 is a schematic structural view of a core loading robot according to the present invention.

FIG. 23 is a schematic diagram of a servo misalignment apparatus according to the present invention.

Fig. 24 is a schematic view of a disassembled structure of the mold core holder of the present invention.

FIG. 25 is a sectional view of a core holder.

Fig. 26 is a schematic structural view of a pin core handling robot according to the present invention.

Fig. 27 is a schematic structural view of a core output detection apparatus according to the present invention.

Fig. 28 is a schematic diagram of a disassembled structure of the pin core detecting device of the present invention.

Fig. 29 is a schematic view of a connector terminal.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, in the present embodiment, an automobile connector terminal bending cutter includes a frame 1000 and a bending cutter body 2000, and the bending cutter body 2000 is disposed in the frame 1000. The bending and cutting machine body comprises a bottom plate 10, a terminal discharging device 11, a bending pin device 21, a die core backflow device 31, a die core feeding manipulator 32, a servo dislocation device 41, a terminal flattening device 51, a pin core carrying manipulator 61, a die core output detection device 7 and a recovery box 81. Terminal blowing device 11, bend pin device 21, servo dislocation device 41, terminal device 51 of clapping, a set of blowing conveying device that bends is constituteed to contact pin mold core transport manipulator 61 and collection box 81, wherein the blowing conveying device that bends is provided with more than a set of, in this embodiment, be provided with two sets ofly, wherein, two sets of blowing conveying device that bends sets gradually, mold core material loading manipulator 32 sets up at two sets of blowing conveying device's that bends input, mold core output detection device 7 sets up at two sets of blowing conveying device's that bends output, mold core reflux unit 31 sets up in one side of servo dislocation device 41.

The base plate 10 is mounted within the housing. The terminal discharging device 11 is arranged above the bottom plate 10, and the terminal discharging device 11 is installed on the rack and located in the rack. The pin bending device 21 is arranged below the terminal discharging device 11 and fixedly connected with the bottom plate 10, the terminal flattening device 51 is arranged on one side of the pin bending device 21 and fixedly connected with the bottom plate 10, the servo dislocation device 41 is arranged behind the flattening device 51 in the die core output direction and fixedly connected with the bottom plate 10, the pin die core carrying manipulator 61 is arranged on the bottom plate 10, the pin die core carrying manipulator 61 is respectively arranged between the two servo dislocation devices 41 and between the next servo dislocation device 41 and the die core output detection device 7, and the recovery box 81 is arranged below the pin bending device 21 and fixedly connected with the bottom plate.

As shown in fig. 3, the terminal discharging device 11 includes a terminal discharging frame 118, a terminal receiving frame 119, a terminal guiding frame 1110, a discharging tray 111, a discharging motor (not shown), a receiving tray 113, a receiving motor 114, a guiding chute 115, and a receiving chute 116.

Terminal blowing frame 118 is installed on frame 1000, and terminal receipts material frame 119 is located the place ahead of terminal blowing frame 118, and terminal guide frame 1110 is installed on bottom plate 10, and terminal guide frame 1110 is located between terminal blowing frame 118 and terminal receipts material frame 119. Blowing motor is installed on terminal blowing frame 118, the output 112 and the blowing dish 111 fixed connection of blowing motor, receive the setting of material dish 113 in one side of blowing dish 111, receive the material motor 114 and install on terminal receives the material frame 119, receive the output and the material dish 113 fixed connection of material motor 114, baffle box 115 sets up the below that is close to receiving dish 113 one side at blowing dish 111, baffle box 115 installs on guide frame 1110, baffle box 115 extends downwards after transversely extending right earlier from one end to the other end, baffle box 115 one end is close to blowing dish 111 and is equipped with terminal input guide post 1153, the one end that the other end of baffle box 115 is close to bending pin device 21 is equipped with terminal output guide post 1154. Receive silo 116 vertical extension back to the horizontal extension in left side, the vertical extension part of receiving silo 116 is located the right side of baffle box 115, the horizontal extension part of receiving silo 116 is located the below of baffle box 115, the horizontal extension free end of receiving silo 116 is equipped with the protruding receipts material input guide roller 1161 downwards, the right side that is located receipts material input guide roller 1161 on receiving silo 116 is equipped with leading wheel 1162, be equipped with conveyer groove 1163 between leading wheel 1162 and receiving silo 116, the upper end of receiving silo 116 is equipped with the protruding receipts material output guide roller 1164 to the right side.

The terminal receiving rack 119 is provided with a receiving upper guide frame 117 and a receiving lower guide frame 117a, the receiving upper guide frame 117 is provided with two receiving upper guide rollers 1111 in parallel, and the receiving lower guide frame 117a is provided with a receiving lower guide roller 1112.

The working principle of the terminal emptying device 11 is as follows: the connector terminal with the film is wound on the material discharging tray 111, when the material discharging motor works, the material receiving motor 114 works at the same time, the material discharging motor drives the material discharging tray 111 to rotate, the material receiving motor 114 drives the material receiving tray 113 to rotate, the connector terminal with the film on the material discharging tray 111 is output from the conveying groove 1163 under the guidance of the terminal input guide post 1153 and the terminal output guide post 1154 through the material guide groove 115, the connector terminal with the film is separated from the film after being output from the conveying groove 1163, the connector terminal enters the bending pin device 21, and the film is wound on the material receiving tray 113 through the material receiving groove 116 under the guidance of the material receiving input guide roller 1161 and the material receiving output guide roller 1164 by the material receiving lower guide roller 1112 and the material receiving upper guide roller 1111. In the above configuration, the terminal-attached connector terminal is guided by the terminal input guide post 1153 and the terminal output guide post 1154, and thus the film-attached connector terminal is more smoothly output. The receiving input guide roller 1161 and the receiving output guide roller 1164 are used for guiding, so that the film is guided, the receiving is smoother, and the better separation of the film and the connector terminal is facilitated.

As shown in fig. 4, bending pin device 21 includes a bending frame 2110, a cam feeder 211, a bending die 212, the terminal bending machine comprises a cam transmission mechanism 213, a terminal cutting module 214, a terminal carrying module 215 and a bending drive 216, wherein the bending rack 2110 is fixedly connected with the bottom plate 10, the cam feeding device 211 is arranged below the terminal discharging device 11 and is fixedly connected with one side of the bending rack 2110, the bending die 212 is arranged at the top of the bending rack 2110 and is close to one side of the cam feeding device 211, the terminal cutting module 214 is arranged at one side of the bending die 212 far away from the cam feeding device 211 and is fixedly connected with the bending rack 2110, the bending motor 216 is fixedly connected with one side of the first bending rack 2110, the output end of the bending motor 216 is connected with the bending die 212 through the cam transmission mechanism 213, and the terminal carrying module 215 is arranged at one side of the terminal cutting module 214 far away from the bending die 212 and is fixedly connected.

As shown in fig. 5-7, the cam feeding device 211 includes a feeding table 2111, a feeding seat 2112, a terminal smoothing device 2113, a feeding wheel device 2114 and a terminal positioning device 2115. The feeding table 2111 is mounted on the bending frame 2110, a conveying groove 21120 is formed in the conveying seat 2112, the conveying seat 2112 and the terminal leveling device 2113 are respectively and fixedly connected to the feeding table 2111, and the feeding wheel device 2114 is used for fixing one side, close to the bending die 212, of the connecting terminal leveling device 2113.

The terminal leveling device 2113 includes a leveling bracket 21131, a leveling detection device 21132, and a leveling wheel 21133. The smoothing bracket 21131 is mounted on the feeding table 2111, the smoothing bracket 21131 is provided with a mounting groove 21134, the smoothing bracket 21131 is provided with a guide rail 21137 on the mounting groove 21134, the smoothing detection device 21132 is provided with a slide block 21135, the smoothing detection device 21132 is matched with the guide rail 21137 through the slide block 21135 and is in sliding connection with the smoothing bracket 21131, and the smoothing wheel 21133 is fixedly connected to one side of the smoothing detection device 21132 away from the smoothing bracket 21131.

A feeding plate 21121 is arranged above the conveying groove 21120 on the conveying seat 2112, hole positions are arranged on the feeding plate 21121, a smoothing wheel 21133 and a feeding wheel device 2114 are arranged above the conveying groove 2112, an adjustable wrench 21136 is arranged at the top of a smoothing bracket 21131, and the adjustable wrench 21136 is fixedly connected with a smoothing detection device 21132.

The feeding wheel device 2114 comprises a feeding wheel 21141, a feeding detection wheel 21142, a feeding fixing plate 21143, a feeding sensor 21144 and a feeding motor 21145. The output end of a feeding motor 21145 penetrates through a feeding fixing plate 21143 to be fixedly connected with a feeding wheel 21141, a plurality of shifting teeth 21141a are uniformly distributed on the circumference of the feeding wheel 21141, a feeding detection wheel 21142 is arranged between the feeding wheel 21141 and the feeding fixing plate 21143 and fixedly connected with the feeding wheel 21141, the feeding fixing plate 21143 is arranged on a feeding table 2111, a feeding sensor 21144 is arranged above the feeding detection wheel 21142 and fixedly connected with the feeding fixing plate 21143, the lower end of the feeding sensor 21144 is provided with a notch 211441 clamped to the edge of the feeding detection wheel 21142, and the edge of the feeding detection wheel 21142 is provided with a detection notch 211421.

The smoothness detection device 21132 comprises a smoothness sensor 211321, a smoothness slider 211322, a limit block 211323, a smoothness connecting piece 211324, a smoothness fixing plate 211325 and an elastic device 211326.

The smoothness connecting piece 211324 is fixedly connected with the sliding block 21135, the upper end of the smoothness connecting piece 211324 is fixedly connected with a smoothness fixing plate 211325, the smoothness sensor 211321 is installed on the smoothness connecting piece 211324, and a notch 211321a is arranged on the smoothness sensor 211321.

The limiting block 211323 includes a seat body 211323a and a cover plate 211323b, the seat body 211323a is installed on the smooth connecting member 211324, and a vertical smooth sliding groove 211323a1 is arranged on the seat body 211323 a; cover 211323b is mounted on body 211323a and covers smooth slide 211323a 1. blind holes (not shown) are provided in the bottom of body 211323 a.

The smoothing slider 211322 comprises a smoothing slider body 211322a, limit blocks 211322b positioned at the upper end and the lower end of the smoothing slider body 211322a and a detection block 211322c arranged on the limit block 211322b at the upper end or the upper end of the smoothing slider body 211322 a; a smooth limiting groove 211322d is formed between the two limiting blocks 211322b, and the length of the smooth limiting groove 211322d is larger than that of the smooth sliding groove 211323a 1.

The level slide block body 211322a is slidably disposed in the level slide slot 211323a1, and the level slide block is limited by the cover plate 211323 b.

A clamping groove 211322e is formed in the smoothing slider body 211322a, and the smoothing wheel 2133 is clamped in the clamping groove through a shaft and connected through a screw.

The level sensor 211321 is located above the level slider 211322, and the detection block 211322c corresponds to the notch 211321a of the level sensor 211321 in the vertical direction.

The elastic device 211326 includes spring 211326a and guide rod 211326b, the upper end of spring 211326a is located in the blind hole, the lower end of spring 211326a acts with the stopper 211322b of lower extreme, and guide rod 211326b is arranged in spring 211326a, plays the guide effect to spring 211326 a.

The top of the leveling fixing plate 211325 is provided with a fixing bolt 21136b, and the upper end of the leveling bracket 21131 is provided with a sliding pin 21136a in a sliding manner; the loosening and tightening wrench 21136 comprises a wrench seat 211361 and a wrench 211362, wherein the wrench seat 211361 is hinged on the smooth bracket 21131, the middle part of the wrench 211362 is hinged on the wrench seat 211361, and one end of the wrench 211362 is hinged on the sliding pin 21136 a. The slide pin 21136a is connected with a fixing screw 21136 b.

As shown in fig. 5 and 8, the terminal alignment device 2115 includes an alignment socket 21151, a guide block 21152, an alignment pin 21153, an alignment spring 21154, and an alignment cylinder 21155. The lower end of the positioning seat 21151 is provided with a guide block 21152, the positioning seat and the guide block are fixed on the feeding plate 21121 through screws, the upper end of the positioning seat 21151 is provided with a positioning lug 211511, and a guide hole 211521 is arranged below the positioning lug on the guide block 21152; the middle part of the positioning needle 21153 is provided with a limit ring 211531; the upper end of the positioning needle 21153 slides through the positioning lug 211511, the limit ring 211531 is positioned below the positioning lug 211511, the lower end of the positioning needle 21153 is a positioning needle point, and the lower end of the positioning needle 21553 slides through the guide hole 211521; the positioning spring 21154 is sleeved on the positioning needle between the limiting ring guide blocks. The location cylinder 21155 is installed on positioning seat 21151, and the piston rod of location cylinder 21155 is connected the pilot pin.

As shown in fig. 4 and 5, the cam feeding device 211 works on the following principle: the stripped connector terminal 300 is fed into the feeding slot 21120, and as the terminal discharge device 11 continuously strips the connector terminal to the cam feeding device 211, the connector terminal 3000 in the feeding slot 21120 is fed forward and positioned below the feeding plate 21121, as shown in fig. 29, the connector terminal 3000 includes a connecting piece 30001, a terminal body 30002, a first connecting portion 30003 and a second connecting portion 30004, the connecting piece 30001 correspondingly connects the plurality of terminal bodies 30002 through the plurality of first connecting portions 30003, and the second connecting portion 30004 is connected between the adjacent terminal bodies. When the connector terminal is conveyed to below the terminal positioning device 2115, the connector terminal is positioned by the terminal positioning device 2115, specifically by: when the positioning cylinder 21155 works, the piston rod of the positioning cylinder 21155 drives the positioning pin 21153 to move downward against the positioning spring 21154, the lower end of the positioning pin passes through the guide hole 211521 and extends into the positioning hole 30005 of the connector terminal, so that the positioning adjustment of the connector terminal is realized, when the piston rod of the positioning cylinder moves upward, the positioning pin is reset under the action of the positioning spring, the lower end of the positioning pin is separated from the connector terminal, and the connector terminal can continue to move forward.

When the connector terminal moves below the terminal leveling device 2113, the connector terminal is leveled by the terminal leveling device 2113 along with the forward movement of the connector terminal, and the specific process is as follows: when a wrench 211362 is wrenched, the wrench drives the sliding pin 21136a to slide downwards, the sliding pin 21136a drives the fixing screw 21136b to move downwards, the fixing screw 21136b drives the leveling detection device 21132 to move downwards, so as to drive the leveling wheel 21133 to move downwards, and the leveling wheel 21133 is contacted with the connector terminal, in the process, the leveling slider 211322 can slide on the limit block 211323, and under the action of the spring 211326a, the leveling slider can always have a downward pressure, so that the leveling of the connector terminal by the leveling wheel is more reliable, and meanwhile, when connector terminals with different thicknesses are provided, the connector terminals with different thicknesses can be automatically adjusted through the spring, so that the connector terminals with different thicknesses can be suitable for ensuring reliable pressing force. When the level slide block moves up and down, the position of the level slide block is detected through the action of the level sensor 211321 and the detection block 211322 c.

When the connector terminal is flattened by the terminal flattening device 2113, the connector terminal enters the lower part of the feeding wheel device 2114, the connector terminal is fed by the feeding wheel device 2114 and is fed into a bending die, and the process is as follows: the feeding motor 21145 is started, the feeding motor 21145 drives the feeding wheel 21141 to rotate, and due to the fact that the surface of the feeding wheel 21141 is provided with the shifting teeth 21141a, the connector terminals are fed into the bending die under the action of the shifting teeth and the feeding wheel. In this process, the feed detection wheel rotates synchronously with the feed wheel, and the feed sensor 21144 detects the detection notch 211421, so that the number of rotations of the feed wheel can be detected.

As shown in fig. 9-10, the bending mold 212 includes a lower mold and an upper mold.

The lower die comprises a lower die seat 2121, a lower backing plate 21211, a lower die plate 21212, a first material guide plate 21213, a second material guide plate 21214, a primary backing die 21215, a cutting female die 21216, a primary bending female die 21217, a secondary backing die 21218, a secondary bending female die 21219, a bending and shaping female die 212110 and a shaping and extruding die 212111.

As shown in fig. 11, a blanking hole 2121a is provided in the lower die base 2121, a guide post lower penetration hole 2121b is provided in the lower die base 2121, and an outer guide sleeve 2123 is provided in the lower die base. The lower back plate 21211 is fixed to the lower die base 2121 by screws, and the lower back plate 21211 is provided with a center blanking hole 21211a, the center blanking hole 21211a communicates with the blanking hole 2121a, and the lower back plate 21211 is provided with a guide post center through hole 21211b communicating with the guide post lower through hole 2121 b. A primary cushion mold mounting hole 21212a is formed in the lower template 21212, in this embodiment, two primary cushion mold mounting holes 21212a are formed, and a cutting female mold mounting hole 21212b is formed in the lower template 21212 between the two primary cushion mold mounting holes 21212 a; a primary bending die mounting hole 21212c is formed in the lower die plate 21212; three secondary cushion mounting holes 21212d are provided on the lower template 21212; a secondary bending female die mounting hole 21212e is formed between the first and second secondary cushion die mounting holes 21212d in the lower die plate 21212 in the feeding direction; a bending shaping concave die mounting hole 21212f is formed between the second and third secondary cushion die mounting holes 21212d in the lower template 21212 in the feeding direction; avoidance holes 21212g are formed in one side of the lower die holder 21212, which is located at the primary bending die mounting hole 21212c, the first secondary cushion die mounting hole and the secondary bending die mounting hole 21212 e; a shaping extrusion die sliding groove 21212h is formed in one side, located at the bending shaping female die mounting hole 21212f, of the lower die holder 21212; an escape groove 21212i is provided in the lower die base 21212 from one side to an escape hole 21212 g.

A primary cushion mold 21215 is mounted on the primary cushion mold mounting hole 21212a, and the upper surface of the primary cushion mold 21215 is flush with the upper surface of the lower die holder. A cutting die 21216 is attached to the cutting die attachment hole 21212b, and an upper blanking hole 21216a is provided in the cutting die 21216. A primary bending die 21217 is mounted to the primary bending die mounting hole 21212c, and a primary bending inclined surface 21217a is provided at an upper end of one side surface of the primary bending die 21217. The secondary backing mold mounting hole 21212d mounts the secondary backing mold 21218. A secondary bending die 21219 is installed in the secondary bending die installation hole 21212e, and a secondary bending inclined surface 21219a inclined outward from top to bottom is arranged on the inner side surface of the secondary bending die. A bending and shaping die 212110 is installed in the bending and shaping die installation hole 21212f, and a bending and shaping inclined surface 212110a inclined outward from top to bottom is provided on the inner side surface of the bending and shaping die. A shaping extrusion die 212111 is arranged in the shaping extrusion die sliding groove 21212h in a sliding manner, the shaping extrusion die is provided with an extrusion head 212111a opposite to the bending shaping female die, and the upper end of one side of the shaping extrusion die, which is far away from the bending shaping female die, is provided with a driving inclined surface 212111 b.

A first material guide plate 21213 is arranged on the lower template and is L-shaped; a second guide plate 21214 is installed on the lower template, and a plurality of through grooves 21214a are formed on the second guide plate. A material guide groove is formed between the first material guide plate and the second material guide plate.

An inner guide sleeve 2124 is mounted on the lower die plate, and the center of the guide sleeve 2124 is coaxial with the through hole in the guide column.

As shown in fig. 12 and 13, the upper die includes an upper die base 2122, an upper backing plate 21221, an upper die plate 21222, a stripper plate 21223, a stripper pressure plate 21224, a cutting die 21225, a primary bender 21226, a secondary bender 21227, a drive block 21228, a positioning rod 21229, an outer guide post 212210, and an inner guide post 212211.

An upper backing plate 21221 is mounted at the bottom of the upper die holder 2122, and an upper die plate 21222 is mounted at the bottom of the upper backing plate 21221; a stripper plate 21233 is positioned below the upper die plate 21222, and a stripper pressure plate 21224 is mounted to the bottom of the stripper plate 21223. The upper die holder 2122, the upper backing plate 21221 and the upper die plate 21222 are slidably penetrated by a pulling plate screw rod, the pulling plate screw rod is resisted by the upper backing plate 21221, and the pulling plate screw rod penetrates through the discharging plate and is connected to the discharging pressure plate. A cutting die 21225 is mounted on the upper die plate 21222, the cutting die 21225 sliding across the stripper plate and the stripper pressure plate. The primary bending die 21226 and the secondary bending die 21227 are respectively installed on the upper template, and the primary bending die 21226 and the secondary bending die 21227 respectively slide through the discharging plate and the discharging pressing plate. A drive block 21228 is mounted to the upper platen, the drive block 21228 slides through the stripper plate and the stripper pressure plate, and a ramp is provided at the lower end of the drive block 21228. The positioning rod 21229 slides through the upper die base 2122, the upper backing plate 21221, the upper die plate 21222, the discharging plate 21223 and the discharging pressure plate 21224, the middle part of the positioning rod 21229 is provided with a resisting ring 21229a, the resisting ring 21229a is resisted by the upper backing plate, the upper die base is provided with a gland 212212, the upper end of the positioning rod extends out of the gland, and a pressing spring (not shown) is sleeved between the resisting ring and the gland. An outer guide pillar is arranged on the upper die base and penetrates through the outer guide sleeve in a sliding mode. An inner guide post which is blocked by an upper backing plate is arranged on the upper template, and the inner guide post penetrates through the discharging plate and the discharging pressing plate to be connected with the inner guide sleeve in a sliding mode. A discharging spring passing through the upper template is arranged between the upper backing plate and the discharging plate. An avoiding groove 21224a for avoiding the first material guide plate and the second material guide plate is arranged at the bottom of the discharging pressure plate, and a pressing block 21224b corresponding to and matched with the through groove 21214a is arranged at the bottom of the discharging bottom plate.

An adjusting sliding groove 21221a is arranged on the bottom surface of the upper backing plate 21221, an adjusting sliding block 212213 is arranged in the adjusting sliding groove 21221a in a sliding manner, the adjusting sliding block 212213 is in an L shape, a first inclined surface 212213a is arranged on the bottom end surface of the adjusting sliding block 212213 positioned in the adjusting sliding groove, an adjusting fixed block 212214 is arranged on the upper die holder, and an adjusting block 212215 is arranged between the adjusting fixed block 212214 and the adjusting sliding block 212213; a second inclined surface 21228a is provided at the top of the driving block 21228 to act with the first inclined surface.

As shown in fig. 9 to 13, a stroke fixing post 2125 is provided on the lower die base 2121, a vertical stroke sensor 21251 for detecting a vertical stroke detecting block is attached to an upper end of the stroke fixing post 2125, and a vertical stroke detecting block 21252 is attached to the upper die base 2122.

A positioning lever detection sensor 2126 for detecting a positioning lever is attached to the cover 212212.

As shown in fig. 9, 14, and 15, the bending drive 216 includes a bending drive motor 2161, a drive pulley (not shown), a driven pulley (not shown), a belt 2162, a drive base 2164, and a drive shaft 2163. A bending driving motor 2161 is installed on the bending machine frame 2110 through a motor base; the driving pulley is installed on the output shaft of the bending driving motor, the driven pulley is installed on the driving shaft 2163, the belt 2162 is sleeved between the driving pulley and the driven pulley, the driving base 2164 is installed on the bending frame 2110, and the driving shaft 2163 is installed on the driving base 2164 through a bearing. A belt cover 2165 is provided outside the belt 2162 for protection.

The cam mechanism 213 includes a wheel disc 2131, a driving pin 2132 and a driving beam 2133. The wheel disc 2131 is installed on the driving shaft 2163, one side surface of the driving disc 2131 is provided with a cam groove 21311, the driving pin 2132 is installed on the driving beam 2133, one end of the driving pin 2132 extends into the cam groove 21311, and the driving beam 2133 is fixedly connected with the outer guide post.

A guide pipe 2129 is arranged below the blanking hole, a blanking hole 21101 is arranged on the bending frame, and the lower end of the guide pipe is communicated with the blanking hole 21101.

After the connector terminal is continuously conveyed to the bending die 212, the upper die is driven to move through the bending drive and the cam transmission mechanism, the second connecting part of the connector terminal is cut off under the action of the upper die and the lower die, and the terminal body is bent, and the specific process is as follows: after the connector terminal enters a bending die, the connector terminal is guided by a first material guide plate 21213 and a second material guide plate 21214, a bending drive 216 is started, a bending drive motor 2161 drives a driven pulley to rotate through a driving pulley and a belt 2162, the driven pulley drives a drive shaft 2163 to rotate, the drive shaft 2163 drives a cam transmission mechanism 213 to work, at the moment, a wheel disc 2131 rotates, the wheel disc drives a drive pin 2132 to move under the action of a cam groove, the drive pin drives an outer guide pillar to move up and down through a drive cross beam 2133, and the outer guide pillar drives an upper die to move up and down, so that die assembly and die opening. When the upper die moves downwards, the positioning rod 21229 firstly extends into the positioning hole 30005 of the connector terminal to position the connector terminal, as the upper die continues to move downwards, the pressing block 21224b of the discharging pressing plate 21224 passes through the through groove 21214a to press the connecting sheet 30001 of the connector terminal, and as the upper die continues to move downwards, the upper die base 2122, the upper backing plate 21221, the upper die plate 21222, the cutting die 21225, the primary bending die 21226, the secondary bending die 21227, the driving block 21228 and the positioning rod 21229 continue to move downwards against the elastic force of the discharging spring, and the discharging plate and the discharging pressing plate do not move, so that when the upper die continues to move downwards, the second connecting part is cut off by the action of the cutting die 21225 and the cutting die, the cut-off waste material falls into the recycling bin 81 through the feeding hole, the middle blanking hole and the blanking hole, and the primary bending die 21226 and the primary bending oblique plane 21217a perform primary bending on the terminal body, the terminal body is bent for the second time under the action of the secondary bending die 21227 and the secondary bending inclined surface, in the process, the driving block moves downwards, the shaping extrusion die is pushed to move towards the terminal body subjected to the secondary bending under the action of the inclined surface of the driving block and the driving inclined surface 212111b, the terminal body is bent and shaped by the shaping extrusion die and the bending shaping female die 212110, and after the upper die is opened, the bent connector terminal is output into the terminal cutting module 214.

As shown in fig. 16, the terminal cutting module 214 includes a cutting frame 2140, a cutting base 2141, a cutting bracket 2142, a cutting cylinder 2143, a cutting tool 2144, a cutting positioning rod 2145, a cutting positioning plate 2146, a cutting guide post 2147, a cutting guide sleeve 2148 and a mold core pushing device 2149, the cutting frame 2140 is fixedly connected to one side of the bending frame 2110, the cutting bracket 2142 is fixedly connected to the top of the cutting frame 2140, a cutting chute 21421 is formed on one side of the cutting bracket 2142, the cutting base 2141 is arranged on the cutting frame 2140, the cutting cylinder 2143 is arranged on the top of the cutting bracket 2142, the cutting tool 2144 is slidably connected to the cutting chute 21421, an output end of the cutting cylinder 2143 is fixedly connected to the cutting tool 2144, the cutting guide post 2147 is fixedly connected to the cutting tool 2144, the cutting guide sleeve 2148 is arranged on the cutting base 2141, the cutting positioning plate 2146 is fixedly connected to the cutting base 2141, one end of the, the other end of the cutting positioning rod 2145 penetrates through the cutting tool 2144 and is disposed above the cutting positioning plate 2146, the cutting base 2141 is provided with a cutting feed opening 21411 below the cutting tool 2144, and the mold core pushing device 2149 is disposed at the bottom of the cutting frame 2140.

The terminal cutting module 214 cuts off the first connection portion of the received bent connector terminal, and the specific process is as follows: the cutting cylinder 2143 works, the cutting cylinder 2143 drives the cutting tool 2144 and the cutting positioning rod 2145 to move downwards, the connector terminal is positioned by the cutting positioning rod 2145 penetrating through the positioning hole 30005, and the first connecting part is cut off by the cutting tool and the cutting base 2141, so that the terminal body is cut off into a single terminal body.

As shown in fig. 17-18, the terminal carrying module 215 includes a carrying frame 2150, a carrying base plate 2151, a carrying fixing plate 2152, a clamping mounting plate 2153, a carrying Y-axis cylinder 2154, a carrying Z-axis cylinder 2155, a carrying clamping cylinder 2156 and a carrying clamping finger 2157, the carrying base plate 2151 is provided with a Y-axis slide rail 21511, one side of the carrying fixing plate 2152 is provided with a Y-axis slide block 21512, the carrying fixing plate 2152 is slidably connected with the Y-axis slide block 21512 through the Y-axis slide rail 21511, one end of the carrying Y-axis cylinder 2154 is fixedly connected to the top of the carrying base plate 2151, the output end of the carrying Y-axis cylinder 2154 is fixedly connected with the carrying fixing plate 2152, the carrying mounting plate 2153 is provided with a Z-axis slide rail 21531, the clamping fixing plate 2152 is provided with a corresponding Z-axis slide groove 21521, the clamping mounting plate 2153 is slidably connected with the carrying fixing plate 2152 through the cooperation of the Z-, transport centre gripping finger 2157 and the output fixed connection of transport centre gripping cylinder 2156, transport Z axle cylinder 2155 and transport fixed plate 2152 fixed connection, transport Z axle cylinder 2155's output and transport mounting panel 2153 fixed connection.

After the terminal body is cut, transport Y axle cylinder 2154, transport Z axle cylinder 2155, transport centre gripping cylinder 2156 drive transport centre gripping finger 2157 to terminal cutting module 214 department, drive two transport centre gripping fingers through transport centre gripping cylinder 2156 and move and carry the centre gripping to the terminal body, then through transport Y axle cylinder 2154, transport Z axle cylinder 2155 with the terminal body centre gripping to the mold core on.

As shown in fig. 20 and fig. 21, the mold core backflow device 31 includes a backflow frame 311, a mold core feeding frame 312, a backflow motor 313, a backflow conveyor belt 314, a mold core feeding slide rail 315, a mold core feeding slide seat 316, a mold core feeding fixed block 317 and a mold core feeding cylinder 318, the backflow frame 311 and the mold core feeding frame 312 are fixedly connected to the bottom plate 10, the backflow frame 311 and the mold core feeding frame 312 are respectively disposed at two ends of the backflow conveyor belt 314, the backflow motor 313 is fixedly connected to the backflow frame 311, an output end of the backflow motor 313 is connected to the backflow conveyor belt 314 through a conveying wheel, the mold core feeding slide rail 315 is fixedly connected to the mold core feeding frame, a mold core backflow stopper 3151 is disposed at one end of the mold core feeding slide rail 315 at the feeding end, the other end of the mold core feeding slide rail 315 is connected to the mold core feeding frame 312, the mold core, the mold core feeding fixed block 317 is in sliding connection with the corresponding sliding groove through the mold core feeding sliding rail 315 in a matching manner, a mold core feeding groove 3161 is arranged on one side of the mold core feeding sliding base 316 close to the mold core feeding fixed block 317, the output end of the mold core feeding air cylinder 318 is fixedly connected with the mold core feeding sliding base 316, and the mold core feeding air cylinder 318 is fixedly connected with the mold core feeding rack 312.

In the mold core reflux device, the mold cores are placed on the reflux conveyor belt 314 at the rear part, the reflux motor 313 is started, the reflux motor 313 drives the reflux conveyor belt to move, the reflux conveyor belt drives the mold cores to move towards the mold core feeding manipulator 32, the feeding groove position 3161 faces the conveying groove between the mold core feeding slide rails 315 in a normal state, after one of the mold cores between the mold core feeding slide rails enters the feeding groove position 3161, the mold core feeding air cylinder 318 pushes the mold core feeding slide seat 316 to move, the mold cores are sent out, then the mold cores are clamped by the mold core feeding manipulator 32, and after the mold cores are clamped out, the feeding air cylinder drives the feeding slide seat to reset and receive the next mold core. Thus, the mold cores can be better conveyed out.

As shown in fig. 22, the mold core feeding manipulator 32 includes a feeding frame 320, a feeding bottom plate 321, a feeding fixing plate 322, a feeding mounting plate 323, a feeding manipulator 324, a feeding Y-axis cylinder 325, a feeding Z-axis cylinder 326 and a feeding clamping cylinder 327, the feeding frame 320 is fixedly connected to the bottom plate 10, the feeding bottom plate 321 is fixedly connected to the feeding frame 320, a feeding Y-axis sliding rail 3211 is disposed on the feeding bottom plate 321, a feeding Y-axis sliding slot 3221 is disposed on one side of the feeding fixing plate 322, the feeding fixing plate 322 is slidably connected to the feeding bottom plate 321 through the matching of the feeding Y-axis sliding rail 3211 and the feeding Y-axis sliding slot, one end of the feeding Y-axis cylinder 325 is fixedly connected to the top of the feeding bottom plate 321, an output end of the feeding Y-axis cylinder 325 is fixedly connected to the feeding fixing plate 322, a feeding Z-axis sliding rail is disposed on the feeding fixing plate 322, a corresponding feeding Z-axis sliding slot is disposed on the feeding mounting plate 323, and the feeding mounting plate is slidably connected to the feeding fixing plate 322 through the matching of the feeding Z-axis sliding rail And then, the feeding clamping cylinder 327 is fixedly connected to the feeding mounting plate 323, the feeding manipulator 324 is fixedly connected to the output end of the feeding clamping cylinder 327, the feeding Z-axis cylinder 326 is fixedly connected to the feeding fixing plate 322, and the output end of the feeding Z-axis cylinder 326 is fixedly connected to the feeding mounting plate 323.

After the mold core is conveyed, the feeding manipulator 324 is driven to move through the feeding Y-axis cylinder 325, the feeding Z-axis cylinder 326 and the feeding clamping cylinder 327, and the mold core is clamped and then clamped into the previous servo dislocation device 41.

As shown in fig. 23 and 24, the servo dislocation device 41 includes a conveying frame 410, a conveying guide rail 411, a conveying motor 412, an unlocking block 413, a pin mold core holder 414, a mold core holder 415, and a conveying screw rod 416, the conveying frame 410 is fixedly connected with the base plate 10, the conveying guide rail 411 is disposed at the top of the conveying frame 410 and fixedly connected with the conveying frame 410, the conveying motor 412 is fixedly connected at one side of the conveying frame 410, the pin mold core holder 414 is provided with a holder sliding groove 4141, the conveying guide rail 411 passes through the holder sliding groove 4141 and is movably connected with the pin mold core holder 414, the conveying screw rod 416 is disposed at the top of the conveying frame 410 through a bearing, the bottom of the pin mold core holder 414 is provided with a screw rod hole 4142 in threaded connection with the conveying screw rod 416, the mold core holder 415 is fixedly connected at the top of the pin mold core holder 414, as shown in fig. 17, the unlocking block 413 is fixedly provided on one side of the carrier frame 2150.

As shown in fig. 23 to 25, the core holder 415 includes a base fixing plate 4151, a core base 4152, a roller holder 4153, a holder fixing base 4156, a holder fixing block 4157, a holder cover plate 4158, a holder slider 4154, and a core positioning shaft 4155. The base fixing plate 4151 is arranged on the pin mold core bearing seat 414, the mold core base 4152 is fixedly connected to the top of the base fixing plate 4151, the mold core base 4152 is provided with a clamping guide groove 41521 and a clamping sliding groove 41522, the clamping guide groove 41521 is connected with the clamping sliding groove 41522, the clamping guide groove 41521 is vertically arranged, the clamping sliding groove 41522 is transversely arranged, and a clamping limiting plate 41523 is arranged at the tail part of the mold core base 4152 and the tail part of the clamping sliding groove 41522; one end of the roller clamping rod 4153 is slidably arranged in the clamping sliding groove 41522, a clamping spring 41532 is arranged between the roller clamping rod 4153 and the clamping limit plate 41523, and a clamping driving block 41531 penetrating through the clamping guide groove is arranged on the roller clamping rod 4153; the other end of the roller holding rod 4153 extends out of the mold core base 4152 and extends towards the unlocking block 413, and a roller is arranged at one end of the roller holding rod 4153 close to the unlocking block 413. The clamping fixing seat 4156 is arranged on the mold core base 4152, and a clamping guide groove 41561 is arranged on the clamping fixing seat; the clamping fixing block 4157 is mounted on the mold core base 4152 positioned at one side of the clamping fixing seat 4156, and an accommodating cavity 4159 is formed between the clamping fixing block 4157 and the clamping fixing seat 4156. The clamping slide block 4154 is slidably disposed in the clamping guide groove 41561, one end of the clamping slide block 4154 extends into the accommodating cavity, the clamping slide block 4154 is provided with a driving hole 41541, and the clamping driving block 41531 extends into the driving hole 41541. The clamping cover plate 4158 is installed on the clamping fixing seat 4156 and covers the clamping slider. The tail part of the clamping slide block is provided with a clamping abutting block 41532 which acts with the clamping cover plate. The mold core positioning shaft 4155 is arranged at one end of the clamping slide block close to the accommodating cavity, and the mold core positioning shaft 4155 extends out of the clamping slide block.

The clamped mold core is placed in the accommodating cavity 4159 of the previous servo dislocation device 41 by the feeding manipulator 324, then the conveying motor 412 is started, the conveying motor 412 drives the conveying screw rod 416 to rotate through a belt pulley and a belt, the conveying screw rod 416 drives the inserting needle mold core bearing seat 414 to move away from the direction of the mold core feeding manipulator 32, along with the movement of the mold core clamping seat 415, the roller clamping rod 4153 disengages the lock block 413, the roller clamping rod 4153 drives the clamping slide block 4154 to move towards the clamping fixed block 4157 through the clamping driving block 41531 under the action of the clamping spring 41532, and the mold core is clamped through the clamping slide block 4154 and the clamping fixed block 4157; after the mold core is clamped, the mold core clamping seat 415 moves to the terminal end of the conveying guide 411 continuously along with the pin mold core seat 414; the terminal body is then inserted onto the mold core by handling the gripping fingers. Then, the mold core pushing device 2149, which includes a mold core pushing cylinder and a mold core pushing block installed at an output end of the mold core pushing cylinder, is actuated to push the roller holding rod 4153 to release the holding slider 4154. When the mold core is released, the mold core with the terminal body inserted therein is transferred to the terminal leveling device 51 by the pin core transfer robot 61.

As shown in fig. 19, the terminal slapping device 51 includes a slapping frame 510, a slapping support 511, a slapping support 512, a slapping Y-axis cylinder 513, a slapping Y-axis slide rail 514, a slapping Z-axis cylinder 515 and a slapping slide block 516, the slapping frame 510 is fixedly installed on the base plate 10, the slapping support 511 is fixedly connected to one side of the slapping frame 510, the slapping Y-axis slide rail 514 is fixedly connected to the slapping frame 510, a slide groove corresponding to the slapping Y-axis slide rail 514 is provided at the bottom of the slapping frame 510, the slapping frame 510 is slidably connected to the slapping Y-axis slide rail 514 through the cooperation of the slide groove, the slapping Y-axis cylinder 513 is fixedly connected to the slapping frame 510, the output end of the slapping Y-axis cylinder 513 is fixedly connected to the slapping support 510, the slapping frame 510 is provided with a slapping Z-axis slide groove 5101 at one side close to the slapping support 511, a slide rail corresponding to the, a flattening stroke adjusting bolt 5121 is arranged on one side of the flattening Z-axis sliding groove 5101 of the flattening support 512, a flattening Z-axis cylinder 515 is fixedly connected with the flattening support 512 at the top of the flattening Z-axis sliding groove 5101, the output end of the flattening Z-axis cylinder 515 is fixedly connected with a flattening sliding block 516, a flattening seat is connected to the flattening sliding block 516, and a pin mold core groove 5111 is arranged on the flattening seat 511.

After the mold core with the terminal body is conveyed to the flattening device 51, the mold core with the terminal body is inserted into the mold core groove 5111, then the flattening Y-axis cylinder 513 is started, the flattening support 512, the flattening Z-axis cylinder 515, the flattening slide block 516 and the flattening seat are driven to move towards the flattening bearing 511 by the flattening Y-axis cylinder 513, and the flattening seat is positioned above the terminal body; and then starting a Z-axis patting cylinder 515, wherein the Z-axis patting cylinder 515 moves through a patting sliding block 516 and a patting seat, and pressing the terminal bodies through the patting seat to enable the upper ends of all the terminal bodies to be flush.

As shown in fig. 26, the pin core carrying manipulator 61 includes a manipulator frame 610, a manipulator fixing plate 611, a manipulator connecting plate 612, a manipulator X-axis slide rail 613, a manipulator X-axis cylinder 614, a manipulator Z-axis cylinder 615, a second manipulator Z-axis cylinder 616, a pin core clamping manipulator 617 and a second pin core clamping manipulator 618, the manipulator frame 610 is fixedly connected to the base plate 10, the manipulator fixing plate 611 is fixedly connected to the manipulator frame 610, the manipulator X-axis slide rail 613 is fixedly connected to one side of the manipulator fixing plate 611, the manipulator X-axis cylinder 614 is fixedly connected to the manipulator fixing plate 611, the manipulator fixing plate 611 is provided with an avoiding groove 6111, an output end of the manipulator X-axis cylinder 614 passes through the avoiding groove 6111 and is fixedly connected to the manipulator connecting plate 612, one side of the manipulator connecting plate 612 is provided with a slide groove corresponding to the manipulator X-axis slide rail 613, the manipulator connecting plate 612, a vertical manipulator seat 619 and a vertical second manipulator seat 6110 are respectively vertically and slidably arranged on the manipulator connecting plate 612, a Z-axis manipulator cylinder 615 is mounted on the manipulator connecting plate 612, the output end of the Z-axis manipulator cylinder 615 is connected with the vertical manipulator seat 619, a pin core clamping manipulator 617 is fixedly connected to the vertical manipulator seat 619 and close to one side of the servo dislocation device 41, a Z-axis second manipulator cylinder 616 is mounted on the manipulator connecting plate 612, the output end of the Z-axis second manipulator cylinder 616 is connected with the vertical second manipulator seat 6110, and the pin core clamping manipulator 618 is fixedly connected to the vertical second manipulator seat 6110.

The working principle of the pin and mold core carrying manipulator 61 is as follows: the manipulator Z-axis cylinder 615 drives the manipulator vertical seat 619 and the inserting pin mold core clamping manipulator 617 to move downwards, the inserting pin mold core clamping manipulator 617 is a finger cylinder and clamping fingers installed on the finger cylinder, and when the inserting pin mold core clamping manipulator 617 moves downwards to a mold core, the mold core with a terminal body is clamped through the inserting pin mold core clamping manipulator 617; then the manipulator Z-axis cylinder 615 moves reversely to lift the mold core; then, a manipulator X-axis cylinder 614 drives a pin mold core clamping manipulator 617 and a second pin mold core clamping manipulator 618, the pin mold core clamping manipulator 617 drives a mold core to be above a pin mold core groove 5111, and then a manipulator Z-axis cylinder 615 drives the pin mold core clamping manipulator 617 to move downwards, so that the mold core is placed in the pin mold core groove 5111 to realize a leveling action; in the above process, if there is a mold core with a terminal body in the pin mold core groove 5111, the second manipulator Z-axis cylinder 616 drives the second pin mold core clamping manipulator 618 to move downward, the second pin mold core clamping manipulator 618 clamps the leveled mold core, and then the second manipulator Z-axis cylinder 616 drives the mold core to move upward, in the above process, the second manipulator Z-axis cylinder 616 is simultaneously moved to the next servo dislocation device 41, and the second manipulator Z-axis cylinder 616 drives the second pin mold core clamping manipulator 618 to move downward, so that the mold core with the terminal body in the row is placed into the next servo dislocation device 41. After the upward movement process, the pin core carrying manipulator 61 is reset by the manipulator X-axis cylinder 614 and the above-mentioned actions are repeated.

After the mold core installed with the row of terminal bodies enters the next servo dislocation device, the actions are repeated to realize the installation and the leveling of the second row of terminal bodies.

After the mold core with the second row of terminal bodies is leveled, the mold core is moved to the mold core output detection device 7 by the second pin mold core carrying manipulator 61.

As shown in fig. 27 and 28, the mold core output detection device 7 includes a detection frame 71, a pin mold core conveyer belt 72, a pin mold core conveyer belt frame 73, a detection cylinder 74, a detection slide rail 75, a detection bearing 76, a pin mold core detection device 77 and a pin mold core output limiting block 78, the pin mold core conveyer belt frame 73 is fixedly connected with the bottom plate 10, the detection frame 71 is arranged at one side of the pin mold core conveyer belt frame 73 and is fixedly connected with the bottom plate 10, the detection frame 71 is provided with a detection mounting plate 710 at the top, the pin mold core conveyer belt 72 is arranged at the pin mold core conveyer belt frame 73 through a conveying wheel and drives the pin mold core conveyer belt 72 through a motor, the pin mold core output limiting block 78 is arranged at one end of the pin mold core conveyer belt 72 far away from the detection frame 71 and is fixedly connected with the pin mold core conveyer belt frame 73, the, the pin mold core detection device 7 is arranged on the detection mounting plate 710 in a sliding mode, the detection bottom plate 771 is provided with a detection slider 711 on one side, close to the detection bearing 76, of the detection rack 71, the detection slider 75 is connected with the detection slider 711 in a sliding mode, the bottom of the pin mold core detection device 77 is provided with a detection slider 711 corresponding to the detection slider 75, the pin mold core detection device 77 is connected with the detection rack 71 in a sliding mode through the matching of the detection slider 711 and the detection slider 75, the detection cylinder 74 is fixedly connected with the detection mounting plate 710 on one side, far away from the detection bearing 76, of the detection slider 75, the output end of the detection cylinder 74 is fixedly connected with the pin mold core detection device 77, and the detection bearing 76 is provided with.

The pin mold core detection device 77 comprises a detection bottom plate 771, a detection probe combination fixing plate 772, a detection probe combination 773, a terminal probe 774, a terminal probe fixing plate 775, a terminal probe fixing block 776 and a pin mold core positioning pin 777, wherein the bottom of the detection bottom plate 771 is fixedly connected with a detection slider 711, the detection probe combination fixing plate 772 is fixedly connected with one side, close to the detection cylinder 74, of the top of the detection bottom plate 771, the detection probe combination 773 penetrates through the detection probe combination fixing plate 772 and is fixedly arranged on the detection probe combination fixing plate 772, the terminal probe fixing plate 775 is fixedly connected with the detection bottom plate 771 between the detection probe combination fixing plate 775 and the detection bearing seat 76, one end of the terminal probe 774 is fixedly connected onto the terminal probe fixing plate 775, the other end of the terminal probe 774 penetrates through the terminal probe fixing block 776, a spring is arranged in the middle of the terminal probe 774 and is, one end of a pin die core positioning pin 777 is fixedly connected with the terminal probe fixing block 776, the other end of the pin die core positioning pin 777 extends towards the detection bearing 76, a detection stroke nut 7711 is further arranged on one side of the detection bottom plate 771, and a detection stroke stop 712 is arranged on the detection rack 71.

The pin core carrying manipulator 61 transfers the core mounted with the terminal body to the pin core detecting groove 761. Then, the detection cylinder 74 is started, the detection cylinder 74 pushes the detection slider 711, the detection probe combination fixing plate 772 and the terminal probe fixing plate 775 to move towards the mold core, the pin mold core positioning pin 777 is inserted into the detection positioning groove 762, the mold core is positioned through the pin mold core positioning pin 777, after the terminal probe 774 is moved to be in contact with the terminal body, along with continuous movement, the terminal probe 774 moves towards the direction far away from the mold core, the terminal probe 774 moves to the detection probe combination 773, and the position of the side face of the terminal body is detected through the detection probe combination 773. After the detection is completed, the detection cylinder 74 retreats, the pin mold core positioning pins 777 are pushed out, and the mold core with the terminal body is conveyed forward on the pin mold core conveyor belt 72.

Claims

1. A bending and cutting machine for an automobile connector terminal comprises a rack and a bending and cutting machine body, wherein the bending and cutting machine body is arranged in the rack; the method is characterized in that: the bending cutting machine body comprises a bottom plate, a terminal discharging device, a bending pin device, a terminal flattening device, a die core feeding manipulator, a die core reflux device, a pin core carrying manipulator, a servo dislocation device, a die core output detection device and a recovery box, wherein the terminal discharging device is arranged above the bottom plate, more than one terminal discharging device is arranged, the bending pin device is arranged below the terminal discharging device and is fixedly connected with the bottom plate, the terminal flattening device is arranged at one side of the bending pin device and is fixedly connected with the bottom plate, the servo dislocation devices are sequentially connected according to the conveying direction of the die cores and are fixedly connected with the bottom plate, the terminal flattening devices are respectively arranged between the adjacent servo dislocation devices and at the tail end of the last servo dislocation device and are fixedly connected with the bottom plate, and the die core reflux device is parallelly arranged in the direction of the servo dislocation devices and is fixedly connected with the bottom plate, the mould core feeding manipulator is arranged on one side of the previous servo dislocation device and the mould core reflux device and is fixedly connected with the bottom plate, a pin mould core carrying manipulator is respectively arranged between the adjacent servo dislocation devices and at the tail end of the last servo dislocation device and is fixedly connected with the bottom plate, the mould core output detection device is arranged at the tail end of the last terminal flattening device and is fixedly connected with the bottom plate, the conveying direction of the mould core output detection device is opposite to that of the mould core reflux device, and the recovery box is arranged below the bent pin inserting device and is fixedly connected with the bottom plate;

the terminal discharging device comprises a terminal discharging rack, a terminal receiving rack, a terminal guiding rack, a discharging tray, a discharging motor, a receiving tray, a receiving motor, a guiding chute and a receiving chute;

the terminal feeding rack is arranged on the rack, the terminal receiving rack is positioned in front of the terminal feeding rack, the terminal guiding rack is arranged on the bottom plate, and the terminal guiding rack is positioned between the terminal feeding rack and the terminal receiving rack; the discharging motor is installed on the terminal discharging rack, the output end of the discharging motor is fixedly connected with the discharging disc, the receiving disc is arranged on one side of the discharging disc, the receiving motor is installed on the terminal receiving rack, the output end of the receiving motor is fixedly connected with the receiving disc, the guide chute is arranged below one side, close to the receiving disc, of the discharging disc, the guide chute is installed on the guide rack, the guide chute transversely extends rightwards from one end to the other end and then extends downwards, a terminal input guide column is arranged at one end, close to the discharging disc, of the guide chute, and a terminal output guide column is arranged at one end, close to the bending pin inserting device, of the other end of the guide; the receiving trough extends vertically and then extends transversely to the left side, the vertical extending part of the receiving trough is positioned on the right side of the guide chute, the transverse extending part of the receiving trough is positioned below the guide chute, a receiving input guide roller protruding downwards is arranged at the transverse extending free end of the receiving trough, a guide wheel is arranged on the receiving trough and positioned on the right side of the receiving input guide roller, a conveying trough is arranged between the guide wheel and the receiving trough, and a receiving output guide roller protruding towards the right side is arranged at the upper end of the receiving trough;

the bending pin device comprises a bending rack, a cam feeding device, a bending die, a cam transmission mechanism, a terminal cutting module, a terminal carrying module and a bending drive, wherein the bending rack is fixedly connected with the bottom plate; the terminal cutting module comprises a cutting frame, a cutting base, a cutting support, a cutting cylinder, a cutting tool, a cutting positioning rod, a cutting positioning plate, a cutting guide pillar, a cutting guide sleeve and a mold core pushing device, wherein the cutting frame is fixedly connected to one side of a bending frame, the cutting support is fixedly connected to the top of the cutting frame, one side of the cutting support is provided with a cutting chute, the cutting base is arranged on one side of the cutting chute and is fixedly connected with the bending frame, the cutting cylinder is arranged on the top of the cutting support, the cutting tool is in sliding connection with the cutting chute, the output end of the cutting cylinder is fixedly connected with the cutting tool, the cutting guide pillar is fixedly connected with the cutting tool, the cutting guide sleeve is arranged on the cutting base, the cutting positioning plate is fixedly connected to the cutting base, one end of the cutting positioning rod is elastically connected to, a cutting base is provided with a cutting material outlet below the cutting tool, and a mold core pushing and pressing device is arranged at the bottom of the cutting frame;

the servo dislocation device comprises a conveying rack, a conveying guide rail, a conveying motor, an unlocking block, a pin mold core bearing seat, a mold core clamping seat and a conveying lead screw, wherein the conveying rack is fixedly connected with the bottom plate, the conveying guide rail is arranged at the top of the conveying rack and fixedly connected with the conveying rack, the conveying motor is fixedly connected to one side of the conveying rack, the pin mold core bearing seat is provided with a bearing sliding groove, the conveying guide rail penetrates through the bearing sliding groove to be movably connected with the pin mold core bearing seat, the conveying lead screw is arranged at the top of the conveying rack, the bottom of the pin mold core bearing seat is connected with the conveying lead screw, the mold core clamping seat is fixedly connected to the top of the pin mold core bearing seat, one end of the conveying lead screw is fixedly connected;

the mold core clamping seat comprises a base fixing plate, a mold core base, a roller clamping rod, a clamping fixing seat, a clamping fixing block, a clamping cover plate, a clamping sliding block and a mold core positioning shaft; the base fixing plate is installed on the pin mold core bearing seat, the mold core base is fixedly connected to the top of the base fixing plate, the mold core base is provided with a clamping guide groove and a clamping sliding groove, the clamping guide groove is connected with the clamping sliding groove, the clamping guide groove is vertically arranged, the clamping sliding groove is transversely arranged, and a clamping limiting plate is installed at the tail part of the mold core base and at the tail part of the clamping sliding groove; one end of the roller clamping rod is slidably arranged in the clamping chute, a clamping spring is arranged between the roller clamping rod and the clamping limiting plate, and a clamping driving block which penetrates through the clamping guide groove is arranged on the roller clamping rod; the other end of the roller clamping rod extends out of the mold core base and extends towards the unlocking block, and a roller is arranged at one end, close to the unlocking block, of the roller clamping rod; the clamping fixing seat is arranged on the mold core base, and a clamping guide groove is formed in the clamping fixing seat; the clamping fixing block is arranged on the mold core base positioned on one side of the clamping fixing seat, and an accommodating cavity is formed between the clamping fixing block and the clamping fixing seat; the clamping slide block is arranged in the clamping guide groove in a sliding mode, one end of the clamping slide block extends into the containing cavity, a driving hole is formed in the clamping slide block, and the clamping driving block extends into the driving hole; the clamping cover plate is arranged on the clamping fixed seat and covers the clamping slide block; a clamping abutting stop block acting with the clamping cover plate is arranged at the tail part of the clamping slide block; the mold core positioning shaft is arranged at one end of the clamping slide block close to the accommodating cavity and extends out of the clamping slide block;

the mold core reflux device comprises a reflux frame, a mold core feeding frame, a reflux motor, a reflux conveyer belt, a mold core feeding slide rail, a mold core feeding slide seat, a mold core feeding fixed block and a mold core feeding air cylinder, wherein the reflux frame and the mold core feeding frame are fixedly connected on a bottom plate, the reflux frame and the mold core feeding frame are respectively arranged at two ends of the reflux conveyer belt, the reflux motor is fixedly connected with the reflux frame, the output end of the reflux motor is connected with the reflux conveyer belt, the mold core feeding slide rail is fixedly connected with the mold core feeding frame, a mold core reflux limiting block is arranged at one end of the mold core feeding slide rail for feeding, the other end of the mold core feeding slide rail is connected with the mold core feeding frame, the mold core feeding slide seat is fixedly connected at the top of the mold core feeding, the mold core feeding sliding seat is provided with a mold core feeding groove position at one side close to the mold core feeding fixed block, the output end of the mold core feeding air cylinder is fixedly connected with the mold core feeding sliding seat, and the mold core feeding air cylinder is fixedly connected with the mold core feeding rack;

the mold core feeding manipulator comprises a feeding rack, a feeding bottom plate, a feeding fixed plate, a feeding mounting plate, a feeding manipulator, a feeding Y-axis cylinder, a feeding Z-axis cylinder and a feeding clamping cylinder, wherein the feeding rack is fixedly connected to the bottom plate, the feeding bottom plate is fixedly connected with the feeding rack, a feeding Y-axis slide rail is arranged on the feeding bottom plate, a feeding Y-axis slide groove is arranged on one side of the feeding fixed plate, the feeding fixed plate is connected with the feeding Y-axis slide groove in a matched and sliding manner through the feeding Y-axis slide rail and the feeding Y-axis slide groove, one end of the feeding Y-axis cylinder is fixedly connected to the top of the feeding bottom plate, the output end of the feeding Y-axis cylinder is fixedly connected with the feeding fixed plate, a feeding Z-axis slide rail is arranged on the feeding fixed plate, a corresponding feeding Z-axis slide groove is arranged on the feeding mounting plate, the feeding mounting plate is connected with the feeding fixed plate in a sliding manner through the matching of the feeding Z-axis slide rail and the feeding, the feeding manipulator is fixedly connected with the output end of the feeding clamping cylinder, the feeding Z-axis cylinder is fixedly connected with the feeding fixing plate, and the output end of the feeding Z-axis cylinder is fixedly connected with the feeding mounting plate;

the contact pin mold core carrying manipulator comprises a manipulator frame, a manipulator fixing plate, a manipulator connecting plate, a manipulator X-axis slide rail, a manipulator X-axis cylinder, a manipulator Z-axis cylinder, a second manipulator Z-axis cylinder, a contact pin mold core clamping manipulator and a second contact pin mold core clamping manipulator, wherein the manipulator frame is fixedly connected to a bottom plate, the manipulator fixing plate is fixedly connected with the manipulator frame, the manipulator X-axis slide rail is fixedly connected to one side of the manipulator fixing plate, the manipulator X-axis cylinder is fixedly connected to the manipulator fixing plate, a dodging groove is formed in the manipulator fixing plate, the output end of the manipulator X-axis cylinder penetrates through the dodging groove to be fixedly connected with the manipulator connecting plate, a slide groove corresponding to the manipulator X-axis slide rail is formed in one side of the manipulator connecting plate, the manipulator connecting plate is in matched sliding connection with the manipulator X-axis slide, the mechanical arm Z-axis cylinder is installed on the mechanical arm connecting plate, the output end of the mechanical arm Z-axis cylinder is connected with the mechanical arm vertical seat, the contact pin mold core clamping mechanical arm is fixedly connected to the mechanical arm vertical seat and close to one side of the servo dislocation device, the second mechanical arm Z-axis cylinder is installed on the mechanical arm connecting plate, the output end of the second mechanical arm Z-axis cylinder is connected with the second mechanical arm vertical seat, and the second contact pin mold core clamping mechanical arm is fixedly connected to the second mechanical arm vertical seat;

the terminal flattening device comprises a flattening rack, a flattening bearing seat, a flattening support, a flattening Y-axis cylinder, a flattening Y-axis slide rail, a flattening Z-axis cylinder and a flattening slide block, wherein the flattening rack is fixedly arranged on a bottom plate, the flattening bearing seat is fixedly connected to one side of the flattening rack, the flattening Y-axis slide rail is fixedly connected with the flattening rack, the bottom of the flattening rack is provided with a slide groove corresponding to the flattening Y-axis slide rail, the flattening support is in sliding connection with the flattening rack through the matching of the slide groove and the flattening Y-axis slide rail, the flattening Y-axis cylinder is fixedly connected with the flattening rack, the output end of the flattening Y-axis cylinder is fixedly connected with the flattening support, the flattening support is provided with a flattening Z-axis slide groove at one side close to the flattening support, one side of the flattening slide block is provided with a slide rail corresponding to the flattening Z-axis slide groove, the flattening slide block is in sliding connection with the flattening support through the matching of the slide rail and the flattening Z-axis slide rail, and one side of the flattening slide, the patting Z-axis cylinder is fixedly connected with the patting bracket at the top of the patting Z-axis sliding chute, the output end of the patting Z-axis cylinder is fixedly connected with the patting sliding block, the patting sliding block is connected with a patting seat, and the patting seat is provided with a pin die core groove;

the mold core output detection device comprises a detection rack, a pin mold core conveyer belt rack, a detection cylinder, a detection slide rail, a detection bearing seat, a pin mold core detection device and a pin mold core output limiting block, wherein the pin mold core conveyer belt rack is fixedly connected with a bottom plate, the detection rack is arranged on one side of the pin mold core conveyer belt rack and is fixedly connected with the bottom plate, the top of the detection rack is provided with a detection mounting plate, the pin mold core conveyer belt is fixedly connected with the top of the pin mold core conveyer belt rack through a conveying wheel and drives the pin mold core conveyer belt through a motor, the pin mold core output limiting block is arranged on one end of the pin mold core conveyer belt far away from the detection rack and is fixedly connected with the pin mold core conveyer belt rack, the detection side bearing seat is arranged close to the detection, the detection device comprises a detection base plate, a detection slide block, a detection slide rail, a detection slide block, a detection cylinder, a detection slide rail, a detection slide block, a detection cylinder and a detection positioning groove, wherein the detection slide block is arranged on one side, close to a detection bearing, of the detection frame;

2. The automobile connector terminal bending and cutting machine according to claim 1, wherein: the cam feeding device comprises a feeding table, a conveying seat, a terminal smoothing device, a feeding wheel device and a terminal positioning device, wherein the feeding table is arranged on a bending machine frame, a conveying groove is formed in the conveying seat, the conveying seat and the terminal smoothing device are respectively and fixedly connected to the feeding table, the feeding wheel device is used for fixing one side, close to a bending die, of the connecting terminal smoothing device, the terminal smoothing device comprises a smoothing support, a smoothing detection device and a smoothing wheel, the smoothing support is arranged on the feeding table, a mounting groove is formed in the smoothing support, a guide rail is arranged on the smoothing support and positioned on the mounting groove, the smoothing detection device is provided with a sliding block, the smoothing detection device is matched with the guide rail through the sliding block and the guide rail to be in sliding connection with the smoothing support, the smoothing wheel is fixedly connected to one side, far away from the smoothing support, of the smoothing detection device, a feeding plate is arranged on the conveying seat, a hole position, the top of the leveling bracket is provided with an elastic wrench, and the elastic wrench is fixedly connected with the leveling detection device;

the feeding wheel device comprises a feeding wheel, a feeding detection wheel, a feeding fixed plate, a feeding sensor and a feeding motor, wherein the output end of the feeding motor penetrates through the feeding fixed plate to be fixedly connected with the feeding wheel;

the level detection device comprises a level sensor, a level slider, a limiting block, a level connecting piece, a level fixing plate and an elastic device, wherein the limiting block is arranged on the level connecting piece; the smoothing wheel is installed on the smoothing sliding block, the top of the smoothing fixing plate is provided with a fixing bolt, and the smoothing detection device is fixedly connected with the tightening wrench through the fixing bolt.

3. The automobile connector terminal bending and cutting machine according to claim 2, wherein: the limiting block comprises a base body and a cover plate, the base body is arranged on the level connecting piece, and a vertical level sliding groove is formed in the base body; the cover plate is arranged on the seat body and covers the smooth sliding chute, and a blind hole is formed in the bottom of the seat body;

the smooth sliding block comprises a smooth sliding block body, limiting blocks positioned at the upper end and the lower end of the smooth sliding block body and a detection block arranged on the limiting block at the upper end or the upper end of the smooth sliding block body; a smooth limiting groove is formed between the two limiting blocks, and the length of the smooth limiting groove is greater than that of the smooth sliding groove;

the smooth sliding block body is arranged in the smooth sliding groove in a sliding mode, and the smooth sliding block is limited through the cover plate.

4. The automobile connector terminal bending and cutting machine according to claim 3, wherein: the elastic device comprises a spring and a guide rod, the upper end of the spring is located in the blind hole, the lower end of the spring acts on a limiting block at the lower end of the spring, and the guide rod is arranged in the spring.

5. The automobile connector terminal bending and cutting machine according to claim 1, wherein: the terminal positioning device comprises a positioning seat, a guide block, a positioning pin, a positioning spring and a positioning cylinder; the lower end of the positioning seat is provided with a guide block, the positioning seat and the guide block are fixed on the feeding plate through screws, the upper end of the positioning seat is provided with a positioning lug, and a guide hole is formed in the guide block and is positioned below the positioning lug; the middle part of the positioning needle is provided with a limit ring; the upper end of the positioning needle penetrates through the positioning lug in a sliding manner, the limiting ring is positioned below the positioning lug, the lower end of the positioning needle is a positioning needle point, and the lower end of the positioning needle penetrates through the guide hole in a sliding manner; the positioning spring is sleeved on the positioning needle positioned between the limiting ring guide blocks; the positioning cylinder is arranged on the positioning seat, and a piston rod of the positioning cylinder is connected with the positioning needle;

the bending die comprises a lower die and an upper die; the lower die comprises a lower die base, a lower padding plate, a lower die plate, a first material guide plate, a second material guide plate, a primary cushion die, a cutting female die, a primary bending female die, a secondary cushion die, a secondary bending female die, a bending and shaping female die and a shaping extrusion die;

a blanking hole is arranged on the lower die holder, a lower guide pillar through hole is arranged on the lower die holder, and an outer guide sleeve is arranged on the lower die holder; the lower padding plate is fixed on the lower die base through a screw, a middle blanking hole is formed in the lower padding plate and is communicated with the blanking hole, and a guide pillar middle through hole communicated with the guide pillar lower through hole is formed in the lower padding plate; the lower template is provided with a primary cushion die mounting hole, and the lower template is provided with a cutting female die mounting hole; a primary bending female die mounting hole is formed in the lower template; a secondary cushion mold mounting hole is formed in the lower template; a secondary bending female die mounting hole is formed in the lower template; a bending and shaping female die mounting hole is formed in the lower template; avoidance holes are formed in one sides, located at the primary bending female die mounting hole, the secondary cushion die mounting hole and the secondary bending female die mounting hole, of the lower die base; a shaping extrusion die sliding groove is formed in one side, located at the bending shaping female die mounting hole, of the lower die base; an avoidance groove from one side to an avoidance hole is formed in the lower die base;

a primary cushion die is arranged on the primary cushion die mounting hole, and the upper surface of the primary cushion die is flush with the upper surface of the lower die seat; a cutting female die is arranged in the cutting female die mounting hole, and an upper blanking hole is formed in the cutting female die; a primary bending female die is arranged on the primary bending female die mounting hole, and a primary bending inclined plane is arranged at the upper end of one side surface of the primary bending female die; the second-stage cushion die mounting hole is provided with a second-stage cushion die; a secondary bending female die is arranged in the mounting hole of the secondary bending female die, and a secondary bending inclined plane which inclines outwards from top to bottom is arranged on the inner side surface of the secondary bending female die; a bending and shaping female die is arranged in the bending and shaping female die mounting hole, and a bending and shaping inclined plane which inclines outwards from top to bottom is arranged on the inner side surface of the bending and shaping female die; a shaping extrusion die is arranged in the shaping extrusion die sliding groove in a sliding mode, the shaping extrusion die is provided with an extrusion head opposite to the bending shaping female die, and a driving inclined surface is arranged at the upper end of one side, far away from the bending shaping female die, of the shaping extrusion die;

the first material guide plate is arranged on the lower template; the second material guide plate is arranged on the lower template and is provided with a plurality of through grooves; a material guide groove is formed between the first material guide plate and the second material guide plate;

an inner guide sleeve is arranged on the lower template, and the center of the guide sleeve is coaxial with the through hole in the guide pillar;

the upper die comprises an upper die base, an upper padding plate, an upper die plate, a stripper plate, a discharge pressure plate, a cutting die, a primary bending die, a secondary bending die, a driving block, a positioning rod, an outer guide pillar and an inner guide pillar;

the upper base plate is arranged at the bottom of the upper die base, and the upper die plate is arranged at the bottom of the upper base plate; the discharging plate is positioned below the upper template, and the discharging pressure plate is arranged at the bottom of the discharging plate; a pulling plate screw rod penetrates through the upper die base, the upper backing plate and the upper die plate in a sliding manner, the pulling plate screw rod is resisted through the upper backing plate, and the pulling plate screw rod penetrates through the discharging plate and is connected to the discharging pressing plate; the cutting die is arranged on the upper template and penetrates through the discharging plate and the discharging pressing plate in a sliding manner; the primary bending die and the secondary bending die are respectively arranged on the upper template and respectively pass through the stripper plate and the discharge pressure plate in a sliding manner; the driving block is arranged on the upper template, the driving block penetrates through the discharging plate and the discharging pressing plate in a sliding mode, and an inclined plane is arranged at the lower end of the driving block; the positioning rod penetrates through the upper die base, the upper base plate, the upper die plate, the discharging plate and the discharging pressing plate in a sliding mode, a resisting ring is arranged in the middle of the positioning rod and is resisted through the upper base plate, a pressing cover is arranged on the upper die base, the upper end of the positioning rod extends out of the pressing cover, and a pressing spring is sleeved between the resisting ring and the pressing cover; an outer guide pillar is arranged on the upper die base and penetrates through the outer guide sleeve in a sliding manner; an inner guide post which is resisted by an upper backing plate is arranged on the upper template, and the inner guide post penetrates through the discharging plate and the discharging pressing plate to be connected with the inner guide sleeve in a sliding manner; a discharging spring penetrating through the upper template is arranged between the upper backing plate and the discharging plate; an avoidance groove for avoiding the first material guide plate and the second material guide plate is arranged at the bottom of the discharging pressing plate, and a pressing block which corresponds to and is matched with the through groove is arranged at the bottom of the discharging bottom plate;

a stroke fixing column is arranged on the lower die base, a vertical stroke sensor for detecting a vertical stroke detection block is mounted at the upper end of the stroke fixing column, and a vertical stroke detection block is mounted on the upper die base;

a positioning rod detection sensor for detecting the positioning rod is arranged on the cover plate.

6. The automobile connector terminal bending and cutting machine according to claim 5, wherein: an adjusting sliding groove is formed in the bottom surface of the upper backing plate, an adjusting sliding block is arranged in the adjusting sliding groove in a sliding mode, the adjusting sliding block is L-shaped, a first inclined plane is arranged on the bottom end face, located in the adjusting sliding groove, of the adjusting sliding block, an adjusting fixed block is mounted on the upper die base, and an adjusting block is arranged between the adjusting fixed block and the adjusting sliding block; the top of the driving block is provided with a second inclined plane which acts with the first inclined plane.

7. The automobile connector terminal bending and cutting machine according to claim 1, wherein: the bending drive comprises a bending drive motor, a driving belt wheel, a driven belt wheel, a belt, a drive base and a drive shaft; the bending driving motor is arranged on the bending machine frame through a motor base; the driving belt wheel is installed on an output shaft of the bending driving motor, the driven belt wheel is installed on the driving shaft, the belt is sleeved between the driving belt wheel and the driven belt wheel, the driving base is installed on the bending machine frame, and the driving shaft is installed on the driving base through a bearing; the cam transmission mechanism comprises a wheel disc, a driving pin and a driving cross beam; the rim plate is installed on the drive shaft, and a side of driving-disc is equipped with the cam groove, and the drive-pin is installed on the drive crossbeam, and in the one end of drive-pin stretched into the cam groove, drive crossbeam and outer guide pillar fixed connection.

8. The automobile connector terminal bending and cutting machine according to claim 1, wherein: the terminal carrying module comprises a carrying rack, a carrying bottom plate, a carrying fixed plate, a clamping mounting plate, a carrying Y-axis cylinder, a carrying Z-axis cylinder, a carrying clamping cylinder and carrying clamping fingers, wherein a Y-axis slide rail is arranged on the carrying bottom plate, a Y-axis slide block is arranged on one side of the carrying fixed plate, the carrying fixed plate is matched and slidably connected with the Y-axis slide block through the Y-axis slide rail, one end of the carrying Y-axis cylinder is fixedly connected to the top of the carrying bottom plate, the output end of the carrying Y-axis cylinder is fixedly connected with the carrying fixed plate, a Z-axis slide rail is arranged on the carrying mounting plate, a corresponding Z-axis slide groove is arranged on the clamping fixed plate, the clamping mounting plate is slidably connected with the carrying fixed plate through the matching of the Z-axis slide rail and the Z-axis slide groove, the carrying clamping, the output end of the conveying Z-axis cylinder is fixedly connected with the conveying mounting plate.

9. The automobile connector terminal bending and cutting machine according to claim 1, wherein: the contact pin mold core clamping manipulator comprises a manipulator movable plate, a manipulator mounting plate, a contact pin mold core clamping cylinder and contact pin mold core clamping fingers, a Z-axis carrying slide rail is arranged on a manipulator connecting plate, a slide groove corresponding to the Z-axis carrying slide rail is formed in the bottom of the manipulator movable plate, the manipulator movable plate is in interactive connection with the manipulator connecting plate through the cooperation of the slide groove and the Z-axis carrying slide rail, the manipulator Z-axis cylinder is fixedly connected with the manipulator movable plate, the manipulator mounting plate is fixedly connected onto the manipulator movable plate, the contact pin mold core clamping cylinder is fixedly mounted on the manipulator mounting plate, and the contact pin mold core clamping fingers.

10. The automobile connector terminal bending and cutting machine according to claim 1, wherein: the terminal discharging device is provided with a material receiving upper guide roller and a material receiving lower guide roller on one side of the material receiving plate.