CN111370971B

CN111370971B - Cutting-off equipment for connecting terminal of electric connector

Info

Publication number: CN111370971B
Application number: CN202010213544.1A
Authority: CN
Inventors: 俞佳红; 陈宗萍; 崔金平
Original assignee: Foshan Dongxin Machinery Co ltd
Current assignee: Foshan Dongxin Machinery Co.,Ltd.
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2021-06-25
Anticipated expiration: 2040-03-24
Also published as: CN111370971A

Abstract

The invention relates to the technical field of electric connector production. A cutting device of an electric connector wiring terminal comprises a rack, and a feeding conveying device, a cutting device, a transfer device, a rotating device, a terminal turnover device and a discharging device which are arranged on the rack; the feeding and conveying device is used for conveying the terminal belt to the cutting device; the transfer device is used for transferring the terminal to the rotating device to rotate, transferring the rotated terminal to the terminal turnover device to turn over, and the discharging device is used for conveying the terminal to discharge. The advantage of this patent is with the accurate location in the upper and lower both ends of wiring end area and cuts off, promotes binding post cut off the quality with cut off efficiency and promote whole transport quality.

Description

Cutting-off equipment for connecting terminal of electric connector

Technical Field

The invention relates to the technical field of production of electric connectors, in particular to a cutting device and a cutting method for a wiring terminal of an electric connector.

Background

Electrical connectors are a common type of electronic component. An electrical connector terminal is a kind of accessory product for realizing electrical connection, and is industrially classified into the category of electrical connectors. With higher and higher industrial automation degree and stricter and more accurate industrial control requirements, the use amount of the wiring terminal gradually increases. With the development of the electronic industry, the use range of the connecting terminal is more and more, and the types of the connecting terminal are more and more. The most widely used terminals include hardware terminals, nut terminals, spring terminals, etc., in addition to PCB terminals.

At present, in the process of installing the wiring terminal into the electric connector, the wiring terminals on the wiring terminal strip need to be cut off one by one, and then the wiring terminals are assembled into a wiring terminal seat of the electric connector after sequentially transferring, horizontally rotating and longitudinally overturning.

In the process of cutting off the wiring terminal, the prior equipment has the following problems: the first terminal belt is generally conveyed in a single mode in the conveying process, and when one terminal belt is used up, equipment needs to be stopped to replace a material belt and then processed, so that the conveying efficiency is reduced, and the efficiency of the whole assembly line is affected; in the process of cutting off the wiring terminal belt, only the cutting-off knife above the wiring terminal moves downwards to cut off the wiring terminal belt, but no support is arranged below the cutting-off point of the wiring terminal, so that the phenomenon that the wiring terminal is excessively cut off or is lost after being cut off is often caused, the shape of the cut-off wiring terminal is irregular or the cut-off wiring terminal is directly scrapped, and the cutting-off quality and the cutting-off efficiency are influenced; thirdly, in the transfer and conveying process of the wiring terminal, the wiring terminals are transferred one by one, so that the transfer and conveying efficiency is low, and the processing speed is influenced; and (IV) the terminal is required to be longitudinally turned over after being cut off, and the phenomenon that the terminal falls off or the terminal cannot be clamped due to the fact that the terminal is not clamped easily in the turning process or the terminal cannot be clamped due to the fact that the terminal is arranged at the position after the terminal is turned over.

Disclosure of Invention

The invention aims to solve the problems of poor cutting quality and unstable cutting of the conventional connecting terminal, and provides a wire connecting device which is convenient for improving the continuity of conveying and is convenient to replace in conveying through two carrier belts; the cutting device is convenient for moving the wiring terminal belt up and down simultaneously, clamping and cutting off, and the cutting quality and the cutting-off alignment degree are improved; the transfer device is convenient for the plurality of wiring terminals to be conveyed simultaneously; the cutting equipment of the connecting terminal of the electric connector is convenient for clamping and limiting the connecting terminal and preventing the terminal from falling off through the terminal turnover device.

For the purpose of the invention, the following technical scheme is adopted for realizing the purpose:

a cutting device of a wiring terminal of an electric connector comprises a frame, and a feeding conveying device, a cutting device, a transfer device, a rotating device, a terminal turnover device and a discharging device which are arranged on the frame; the feeding conveying device, the cutting device, the transfer device, the rotating device, the terminal turnover device and the discharging device are sequentially arranged from a feeding end to a discharging end; the feeding and conveying device is used for conveying the terminal belt to the cutting device; the cutting device is used for cutting the terminals on the terminal belt; the transfer device is located above the cutting device and used for transferring the terminals to the rotating device to rotate, transferring the rotated terminals to the terminal overturning device to overturn, and finally transferring the terminals to the discharging device which is used for conveying and discharging the terminals.

Preferably, the feeding and conveying device comprises a feeding bracket, a horizontal moving electric cylinder, a terminal carrier tape supporting frame, a first carrier tape and a second carrier tape; the feeding support is horizontally arranged on the front side of a feeding end of the rack, the horizontally moving electric cylinder is arranged on the feeding support, the terminal carrier tape support frame is arranged on a moving part of the horizontally moving electric cylinder, the first carrier tape and the second carrier tape are respectively arranged on the left side and the right side of the terminal carrier tape support frame, the centers of the first carrier tape and the second carrier tape are respectively connected with a carrier tape driving motor, the first carrier tape and the second carrier tape are respectively driven to rotate by the two carrier tape driving motors, and a plurality of carrier tape connecting blocks are respectively arranged on the left side and the right side of the terminal carrier tape support frame and below the first carrier tape and the second carrier tape; a positioning conveying support is arranged at the discharge ends of the first carrier tape and the second carrier tape; the left side and the right side of the positioning and conveying support are respectively provided with a positioning and conveying assembly, and each positioning and conveying assembly comprises a positioning and conveying base, a positioning and conveying motor, a positioning and conveying rotating shaft, a first positioning and conveying gear and a second positioning and conveying gear; the positioning conveying base is arranged on the positioning conveying support, two positioning conveying grooves are formed in the positioning conveying base, the positioning conveying motor is arranged on the outer side of the positioning conveying support, the positioning conveying rotating shaft is connected with the positioning conveying motor, the positioning conveying rotating shaft is horizontally arranged on the positioning conveying base through a bearing, the first positioning conveying gear and the second positioning conveying gear are respectively sleeved on the left side and the right side of the positioning conveying rotating shaft, and the tooth pitch of the first positioning conveying gear and the tooth pitch of the second positioning conveying gear are matched with that of the terminal conveying belt.

Preferably, the cutting device comprises a cutting support, a cutting lifting cylinder, a cutting pressing plate, a first clamping and cutting assembly, a second clamping and cutting assembly and a waste cutting assembly; the cutting support is arranged on the rack and is positioned on the rear side of the discharge end of the feeding conveying device; two parallel terminal belt grooves are arranged in the front-back direction on the top plate of the cutting support; the middle part of each terminal belt groove is provided with a transferring and sucking through hole; the cutting-off lifting cylinder is arranged at the lower part of the cutting-off support through a cylinder connecting plate, the top of the cutting-off lifting cylinder is connected with a jacking plate, the left side and the right side of the middle of the jacking plate are symmetrically provided with a plurality of jacking cutting-off modules, the jacking plate is connected with jacking module limiting plates, jacking module limiting seats are arranged on the jacking module limiting plates, and the tops of the jacking cutting-off modules penetrate through the jacking module limiting plates, the jacking module limiting seats and a top plate of the cutting-off support and are located in the transfer suction through holes; the cutting pressing plate is arranged on a top plate of the cutting support, a pressing plate through hole corresponding to the two transferring and sucking through holes is formed in the middle of the cutting pressing plate, a plurality of groups of pressing cutting modules are arranged on the outer sides of the two pressing plate through holes, and the pressing cutting modules are correspondingly matched with the jacking cutting modules; a pressing fit plate is arranged on the cutting pressing plate, and a pressing fit through hole corresponding to the pressing plate through hole is formed in the pressing fit plate; the first clamping and cutting-off assembly and the second clamping and cutting-off assembly are respectively positioned at two sides of the cutting and pressing plate, and the first clamping and cutting-off assembly and the second clamping and cutting-off assembly are matched with the pressing fit plate to tightly press the pressing and cutting-off module on the cutting and pressing plate; the waste material cuts off the subassembly and sets up in the rear portion that cuts off the support, and the waste material cuts off the subassembly and is used for cutting off the terminal area after cutting off.

Preferably, each jacking cutting-off module comprises a main ejector rod and three cutting-off ejector rods; the three cutting ejector rods are respectively arranged at the front part, the middle part and the rear part of the outer side of the main ejector rod, and cutting ejector heads are arranged on the three cutting ejector rods; each group of pressing and cutting-off modules comprises three pressing rods; cut off the outside that lies in two pressure strip through-holes on the pressure strip and all be provided with a plurality of pressure bar grooves, every pressure bar setting is at the pressure bar inslot, and every pressure bar bottom is provided with the tangent plane that compresses tightly, and every pressure bar aligns the setting with every ejector pin that cuts off.

Preferably, the first clamping and cutting-off assembly and the second clamping and cutting-off assembly are arranged in bilateral symmetry, and the first clamping and cutting-off assembly comprises a clamping and cutting-off cylinder, a clamping and cutting-off supporting seat, a clamping and cutting-off moving plate and a clamping and cutting-off cover plate; the clamping and cutting cylinder is positioned at the rear side of the clamping and cutting support seat, a moving groove in the front-back direction is formed in the clamping and cutting support seat, and two moving pressing grooves in the horizontal direction are formed in the upper part of the clamping and cutting support seat; the clamping and cutting-off moving plate is connected with the front end of the clamping and cutting-off cylinder and is positioned in the moving groove, two parallel inclined sliding grooves are formed in the clamping and cutting-off moving plate, a moving sliding rod is arranged in each inclined sliding groove, the top of each moving sliding rod is connected with a pressing cross rod, the two pressing cross rods are positioned in the moving pressing grooves, pressing fit grooves are formed in the positions, corresponding to the moving pressing grooves, of the pressing fit plates, and the inner ends of the pressing cross rods are positioned in the pressing fit grooves; a matching inclined plane is arranged on the pressing cross rod, and pressing matching inclined planes matched with the matching inclined planes are arranged on two sides of the cutting pressing plate; the clamping and cutting-off cover plate is arranged on the clamping and cutting-off supporting seat, two runway-shaped through holes are formed in the clamping and cutting-off cover plate, and the tops of the two movable sliding rods are located in the two runway-shaped through holes.

Preferably, the waste cutting assembly comprises a waste cutting bracket, a cutting lifting cylinder, a cutting lifting plate and two cutting blocks; the top of the waste material cutting support is provided with a connecting groove, the cutting lifting cylinder is arranged on the lower side of the rear part of the cutting support, the cutting lifting plate is connected to the top of the cutting lifting cylinder, and cutting limiting blocks are arranged on the waste material cutting support and positioned on two sides of the cutting lifting plate; the two cutting blocks are arranged on the left side and the right side of the top of the cutting lifting plate and are positioned below the rear side of the joining groove.

Preferably, the transfer device comprises a transfer bracket, a transfer electric cylinder, a transfer support plate, a first transfer assembly, a second transfer assembly and a third transfer assembly; the first transfer assembly comprises a first transfer lifting cylinder, a first transfer lifting plate, a first suction frame and a second suction frame; the first transfer lifting cylinder is arranged at the left part of the transfer supporting plate, the first transfer lifting plate is connected with the bottom of the first transfer lifting cylinder, the first suction frame and the second suction frame are arranged at the left side and the right side of the first transfer lifting plate, and a plurality of suction rods are arranged on the first suction frame and the second suction frame; the second transfer assembly comprises a second transfer lifting cylinder, a second transfer lifting plate and a third suction frame; the second transfer lifting cylinder is arranged in the middle of the transfer supporting plate; the second transfer lifting plate is connected with the bottom of the second transfer lifting cylinder, the third suction frame is arranged at the lower part of the second transfer lifting plate, and a plurality of rotary suction rods are arranged on the third suction frame; the third transfer assembly comprises a third transfer lifting cylinder, a third transfer lifting plate and a fourth suction frame; the third transferring and lifting cylinder is arranged at the right part of the transferring and supporting plate; the third shifts the lifter plate and is connected with the bottom that the third shifted the lift cylinder, and the fourth is absorb the frame and is set up in the third and shifts the lifter plate lower part, is provided with a plurality of upset on the fourth absorption frame and inhales the pole.

Preferably, the rotating device comprises a rotating horizontal electric cylinder, a rotating bracket, a rotating air cylinder and a rotating supporting seat; the rotary horizontal electric cylinder is arranged on the rack, the rotary support is arranged on the moving part of the rotary horizontal electric cylinder, the rotary cylinder is arranged on the lower part of the rotary support, the rotating part of the rotary cylinder is connected with a rotating shaft, the rotating shaft penetrates through the top of the rotary support to be connected with the rotary support seat, and a plurality of terminal limiting grooves are formed in the rotary support seat.

Preferably, the terminal turnover device comprises a turnover bracket, a turnover motor, a turnover rotating shaft and a turnover seat; the upset support sets up in the frame, the upset motor sets up the upper portion rear side at the upset support, the upset pivot is connected with the front end of upset motor, and the upset pivot passes through the upset bearing setting on the upper portion of upset support, the upset seat cover is established in the upset pivot, the left part of upset seat is provided with the spacing upset groove of a plurality of terminals, and it is provided with the upset gag lever post to correspond the spacing upset groove position of terminal on the upset support, be provided with on the upset gag lever post with terminal assorted upset spacing groove, the right part of upset seat is provided with a plurality of spacing cylinders that correspond with the spacing upset groove of terminal, the left end of spacing cylinder is connected with the spacing movable plate of upset, the right-hand member of the spacing movable plate of upset is located the top in the spacing upset groove of terminal, and the terminal is spacing between.

A method for cutting off a connecting terminal of an electric connector sequentially comprises the following steps:

feeding: the first carrier tape is driven to rotate and convey by a carrier tape driving motor on the feeding conveying device, so that the terminal tape is stably and rotatably conveyed to the carrier tape connecting block and extends to the two positioning conveying grooves, the first positioning conveying gear and the second positioning conveying gear are driven to rotate by the positioning conveying motor, and the terminal tape is matched with the first positioning conveying gear and the second positioning conveying gear to be stably conveyed one by one;

(II) cutting: conveying the wiring terminal belt to a terminal belt groove through a feeding conveying device, driving a jacking cutting module on a jacking plate to jack upwards through a cutting lifting cylinder, aligning three cutting ejector rods on the jacking cutting module with three belt connectors, driving a clamping cutting movable plate to move through clamping cutting cylinders in a clamping cutting assembly and a second clamping cutting assembly, enabling a movable sliding rod in an inclined sliding groove to move inwards, enabling two pressing cross rods on two sides to press to two sides of a cutting pressing plate, enabling three groups of pressing cutting modules on the cutting pressing plate to press downwards, enabling three pressing rods in each group of pressing cutting modules to be in the same straight line with cutting points of the three cutting ejector rods and the three belt connectors, enabling the three pressing rods to press downwards and enabling the three cutting ejector rods to jack up, and cutting off three wiring terminals on the left side and the right side;

(III) transferring: the first transfer lifting cylinder on the first transfer assembly on the transfer device drives the first suction frame and the second suction frame on the first transfer lifting plate to lift and position, and three cut wiring terminals 7 are conveniently sucked and transferred to the upper part of the rotating device through three suction rods; the second transfer assembly and the third transfer assembly use the same working mode as the first transfer assembly, the second transfer assembly is used for sucking and transferring the three wiring terminals after 180-degree horizontal rotation to the terminal turnover device, and the third transfer assembly is used for sucking and transferring the three wiring terminals 7 after 90-degree longitudinal rotation to the discharging device for discharging.

(IV) rotating, turning over and discharging: the three wiring terminals are transferred into the three terminal limiting grooves of the rotary supporting seat of the rotating device through the transferring device, and the rotating cylinder drives the rotating shaft to rotate, so that the rotary supporting seat at the top of the rotating shaft is driven to horizontally rotate for 180 degrees; the rotary terminal turnover device is transferred to the terminal turnover device through the transfer device after rotation, the three turnover limiting movable plates are driven to move leftwards through the three limiting cylinders, so that the wiring terminals 7 located between the turnover limiting movable plates and the terminal limiting turnover grooves are clamped and fixed, the turnover motor drives the three wiring terminals 7 on the turnover seat to rotate for 90 degrees, and the rotary terminal turnover device is transferred to the discharging device through the transfer device after turnover and conveys discharged materials.

An electric connector comprises a wiring terminal, wherein the wiring terminal is obtained by the method

According to the technical scheme, the cutting equipment for the connecting terminal of the electric connector has the advantages that the two carrier belts on the feeding conveying device are convenient to transfer to the second carrier belt when the first carrier belt is used up, so that pause or suspension in conveying and processing is prevented, the smoothness and continuity of processing are improved, the first carrier belt is convenient to replace after transfer, the replacement efficiency is improved, and the overall processing efficiency is improved; the device has the advantages that the upper side and the lower side of a cut-off point are simultaneously jacked and cut down by the cutting device in the cutting process, so that the phenomenon of irregular cutting in the cutting process is prevented, the cutting precision is further improved by point-to-point correspondence, the cutting quality is improved, the accuracy is improved better by multipoint cutting, the cutting deviation is prevented, the cut-off material belt is cut off and recovered conveniently, the trouble caused by difficult processing of accumulated material belt is prevented, and the tidiness and the smoothness of integral cutting are improved; the transfer device is convenient for stably transferring the rotated and turned wiring terminals, so that the transfer quantity and the stability in the transfer process are improved; the rotating device rotates to facilitate the turning treatment of the subsequent wiring terminal 7 and the terminal turning device, so that the wiring terminal can be better assembled with a subsequent wiring terminal base; the stability of the wiring terminal is convenient to be improved in the overturning process through the terminal overturning device, the phenomenon that the wiring terminal drops in the overturning process due to insufficient clamping force in the overturning process is prevented, and the three wiring terminals are conveniently and better inserted into the wiring terminal base respectively in the following process after overturning.

To sum up, the advantage of this patent is with the accurate location in the upper and lower both ends of wiring terminal area cut off, promotes binding post's the quality of cutting off and cuts off efficiency and promote whole transport quality.

Drawings

Fig. 1 is a schematic structural diagram of a disconnecting device of a connecting terminal of an electric connector according to the present invention.

Fig. 2 is a schematic view of the structure of the terminal strip of the present invention.

Fig. 3 is a schematic structural diagram of the feed conveying device of the present invention.

Fig. 4 is a schematic structural view of the cutting device of the present invention.

Fig. 5 is a schematic structural diagram of a jacking cutting-off module and a pressing cutting-off module according to the invention.

Fig. 6 is a schematic structural diagram of the transfer device of the present invention.

FIG. 7 is a schematic structural diagram of a rotating device according to the present invention.

Fig. 8 is a schematic structural view of the terminal turnover device of the present invention.

Detailed Description

The following describes a detailed embodiment of the present invention with reference to the accompanying drawings.

As shown in fig. 1, the cutting device for the connecting terminal of the electric connector comprises a frame, and a feeding and conveying device 1, a cutting device 2, a transfer device 3, a rotating device 4, a terminal turnover device 5 and a discharging device 6 which are arranged on the frame; the feeding conveying device 1, the cutting device 2, the transfer device 3, the rotating device 4, the terminal turnover device 5 and the discharging device 6 are sequentially arranged from a feeding end to a discharging end; the feeding and conveying device 1 is used for conveying the terminal strip to the cutting device 2; the cutting device 2 is used for cutting the terminals on the terminal belt; transfer device 3 is located cutting device 2's top, and transfer device 3 is used for shifting the terminal to rotating device 4 on and rotates to shift the terminal after the rotation to terminal turning device 5 and overturn, shift the terminal to discharging device 6 last on, discharging device 6 is used for carrying the ejection of compact with the terminal, and discharging device 6 carries the ejection of compact through the compound mode of motor, gear and conveyer belt.

As shown in fig. 2, the terminal strip is provided with two parallel rows of terminal strips, and comprises a terminal 7 and a material strip 8; three terminal connectors 70 are arranged on the wiring terminals 7, and the material belt connectors 80 connected with each wiring terminal 7 on the material belt 8 are cut off at three connecting positions through the equipment, so that the wiring terminals 7 are separated from the material belt, and the material belt is conveyed after separation.

As shown in fig. 1 to 3, the feeding and conveying device 1 includes a feeding support 11, a horizontal moving electric cylinder 12, a terminal carrier tape support frame 13, a first carrier tape 14 and a second carrier tape 15; the feeding support 11 is horizontally arranged on the front side of the feeding end of the rack, the horizontal moving electric cylinder 12 is arranged on the feeding support 11, the terminal carrier tape support frame 13 is arranged on a moving part of the horizontal moving electric cylinder 12, and the terminal carrier tape support frame 13 is driven by the horizontal moving electric cylinder 12 to perform horizontal moving positioning. The first carrier tape 14 and the second carrier tape 15 are respectively arranged on the left side and the right side of the terminal carrier tape support frame 13, the centers of the first carrier tape 14 and the second carrier tape 15 are respectively connected with a carrier tape driving motor 16, and the first carrier tape 14 and the second carrier tape 15 are respectively driven to rotate by the two carrier tape driving motors 16, so that the terminal tape is conveyed. After one carrier tape is conveyed, the other carrier tape is connected through the two carrier tapes, the used carrier tape can be conveniently replaced, the equipment does not need to be stopped for carrying out carrier tape replacement, the conveying efficiency is further improved, and the smoothness of the whole machining is improved. The left side and the right side of the terminal carrier tape supporting frame 13 are provided with a plurality of carrier tape joint blocks 17 below the first carrier tape 14 and the second carrier tape 15, and the carrier tapes to be conveyed can be supported better through the carrier tape joint blocks 17, so that the conveying stability is improved. A positioning conveying bracket 18 is arranged at the discharging ends of the first carrier belt 14 and the second carrier belt 15; the positioning and conveying support 18 is arranged on the rack through a positioning and conveying sliding rail, positioning and conveying assemblies are arranged on the left side and the right side of the positioning and conveying support 18, and each positioning and conveying assembly comprises a positioning and conveying base 181, a positioning and conveying motor 182, a positioning and conveying rotating shaft 183, a first positioning and conveying gear 184 and a second positioning and conveying gear 185; the positioning and conveying base 181 is arranged on the positioning and conveying support 18, two positioning and conveying grooves 180 are formed in the positioning and conveying base 181, and the terminal belts can be conveyed conveniently through the positioning and conveying grooves 180. The positioning conveying motor 182 is arranged outside the positioning conveying support 18, the positioning conveying rotating shaft 183 is connected with the positioning conveying motor 182, the positioning conveying rotating shaft 183 is horizontally arranged on the positioning conveying base 181 through a bearing, the first positioning conveying gear 184 and the second positioning conveying gear 185 are respectively sleeved on the left side and the right side of the positioning conveying rotating shaft 183, the positioning conveying rotating shaft 183 is driven to rotate through the positioning conveying motor 182, the first positioning conveying gear 184 and the second positioning conveying gear 185 are driven to rotate, the tooth pitch of the first positioning conveying gear 184 and the tooth pitch of the second positioning conveying gear 185 are the same as the distance between adjacent matching holes in the material belt 8, and therefore the wiring terminals 7 can be stably conveyed and cut off one by one.

During operation, the first carrier tape 14 is driven to rotate and convey by the carrier tape driving motor 16, so that the terminal tapes are stably rotated and conveyed to the carrier tape connecting block 17 and extend to the two positioning conveying grooves 180, the positioning conveying rotating shaft 183 is driven to rotate by the positioning conveying motor 182, the first positioning conveying gear 184 and the second positioning conveying gear 185 are driven to rotate, the terminal tapes are matched with the first positioning conveying gear 184 and the second positioning conveying gear 185 to be stably conveyed one by one, when the first carrier tape 14 is used up, the second carrier tape 15 and the other side positioning conveying component are moved to the feeding end of the cutting device 2 to be conveyed by the horizontal moving electric cylinder 12, and the used first carrier tape 14 is replaced.

According to the feeding conveying device 1, the first carrier belt 14 can be well transferred to the second carrier belt 15 when used up through the two carrier belts, pause or pause in conveying and processing is prevented, smoothness and continuity of processing are improved, replacement of the first carrier belt 14 is facilitated after transfer, and replacement efficiency is improved. The whole processing efficiency is improved.

As shown in fig. 1, 2, 4 and 5, the cutting device 2 includes a cutting bracket 21, a cutting lifting cylinder 22, a cutting pressing plate 23, a first clamping and cutting assembly 24, a second clamping and cutting assembly 25 and a scrap cutting assembly 26; the cutting support 21 is arranged on the rack and is positioned at the rear side of the discharge end of the feeding and conveying device 1; two parallel terminal belt grooves are arranged in the front-back direction on the top plate of the cutting support 21 and are connected with the positioning conveying grooves 180; the middle part of each terminal belt groove is provided with a transfer suction through hole 212, and the transfer device 3 can enter to be grabbed conveniently through the transfer suction through hole 212. The cutting lifting cylinder 22 is arranged at the lower part of the cutting support 21 through a cylinder connecting plate, the top of the cutting lifting cylinder 22 is connected with a lifting plate 221, and the cutting lifting cylinder 22 drives the lifting plate 221 to move up and down. Three jacking and cutting modules 222 are symmetrically arranged on the left side and the right side of the middle part of the jacking plate 221, and each jacking and cutting module 222 comprises a main ejector bar 2221 and three cutting ejector bars 2222; the three cutting ejector rods 2222 are respectively arranged at the front, middle and rear parts of the outer side of the main ejector rod 2221, and cutting ejector heads 2223 are arranged on the three cutting ejector rods 2222; through three ejector pins 2222 that cut off and three material area connector 80 one-to-one to be convenient for carry out stable accurate cutting off. The jacking plate 221 is connected with a jacking module limiting plate 223, a jacking module limiting seat 224 is arranged on the jacking module limiting plate 223, and the top of the jacking cutting module 222 penetrates through the jacking module limiting plate 223, the jacking module limiting seat 224 and the top plate of the cutting support 21 and is positioned in the transfer suction through hole 212; the cutting and pressing plate 23 is arranged on the top plate of the cutting support 21, the middle part of the cutting and pressing plate 23 is provided with pressing plate through holes 231 corresponding to the two transferring and sucking through holes 212, three groups of pressing and cutting modules 232 are arranged outside the two pressing plate through holes 231, and each group of pressing and cutting modules 232 comprises three pressing rods 2321; a plurality of pressing rod grooves are formed in the cutting and pressing plate 23 and located on the outer sides of the two pressing plate through holes 231, each pressing rod 2321 is arranged in each pressing rod groove, a pressing tangent surface 2322 is arranged at the bottom of each pressing rod 2321, the connection terminal 7 and the material belt 8 can be cut and separated better through the pressing tangent surface 2322, each pressing rod 2321 is aligned with each cutting ejector rod 2222, and the pressing cutting module 232 is correspondingly matched with the jacking cutting module 222; move to the cutting point simultaneously through upper and lower both ends, be convenient for better cut off the wiring terminal area. The cutting and pressing plate 23 is provided with a pressing and matching plate 27, and the pressing and matching plate 27 is provided with a pressing and matching through hole 270 corresponding to the pressing plate through hole 231; the first clamping cutting-off component 24 and the second clamping cutting-off component 25 are respectively positioned at two sides of the cutting-off pressing plate 23, and the pressing cutting-off module 232 on the cutting-off pressing plate 23 is pressed through the cooperation of the first clamping cutting-off component 24 and the second clamping cutting-off component 25 with the pressing matching plate 27; a scrap cutting unit 26 is provided at the rear of the cutting holder 21, and the scrap cutting unit 26 is used to cut the cut terminal tape.

The first clamping and cutting-off assembly 24 and the second clamping and cutting-off assembly 25 are arranged in bilateral symmetry, and the first clamping and cutting-off assembly 24 comprises a clamping and cutting-off cylinder 241, a clamping and cutting-off supporting seat 242, a clamping and cutting-off moving plate 243 and a clamping and cutting-off cover plate 244; the clamping and cutting-off air cylinder 241 is positioned at the rear side of the clamping and cutting-off support seat 242, a moving groove 2421 in the front-back direction is arranged on the clamping and cutting-off support seat 242, and two moving pressing grooves 2422 in the horizontal direction are arranged at the upper part of the clamping and cutting-off support seat 242; the clamping and cutting moving plate 243 is connected to the front end of the clamping and cutting cylinder 241, the clamping and cutting moving plate 243 is located in the moving groove 2421, and the clamping and cutting moving plate 243 is driven by the clamping and cutting cylinder 241 to move back and forth and be positioned in the moving groove 2421. The clamping and cutting moving plate 243 is provided with two parallel inclined chutes 2431, each inclined chute 2431 is internally provided with a moving slide bar 2432, the top of each moving slide bar 2432 is connected with a pressing cross bar 2433, the two pressing cross bars 2433 are positioned in the moving pressing grooves 2422, and the inclined chutes 2431 and the moving slide bars 2432 are matched to drive the two pressing cross bars 2433 to move transversely so as to clamp or loosen the pressing cross bars 2433. The position of the press-fit plate 27 corresponding to the moving press-fit groove 2422 is provided with a press-fit groove 271, the inner end of the press cross bar 2433 is positioned in the press-fit groove 271, and the press cross bar 2433 presses the press-fit plate 27, so that the press-fit plate 27 presses the cut-off press plate 23, and the press-fit cut-off module 232 on the cut-off press plate 23 presses the terminal strip downwards to cut off the terminal strip. Compress tightly and be provided with cooperation inclined plane 24331 on the horizontal pole 2433, cut off the both sides of pressure strip 23 and be provided with and cooperate the inclined plane 233 that compresses tightly with cooperation inclined plane 24331 matched with, be convenient for compress tightly the cooperation better through mutually supporting between the inclined plane to better cut off. The clamping cut-off cover plate 244 is arranged on the clamping cut-off support seat 242, two runway-shaped through holes 2441 are formed in the clamping cut-off cover plate 244, the tops of the two movable sliding rods 2432 are located in the two runway-shaped through holes 2441, the distance to the back and forth of the movable sliding rods 2432 is convenient to further limit through the runway-shaped through holes 2441, and therefore downward pressing or lifting loosening can be achieved better. Through first clamp cut-off assembly 24 and the second clamp cut-off assembly 25 compress tightly to the middle part simultaneously, and then the upper and lower both ends of wiring terminal area can atress simultaneously when making to cut off, be convenient for more effectually cut off binding post 7, prevent to have on the binding post 7 unnecessary material area 8 or binding post 7 partly do not cut off, reduce the phenomenon that appears cutting off inaccurately, further promote to cut off the quality.

The scrap cutting assembly 26 comprises a scrap cutting bracket 260, a cutting lifting cylinder 261, a cutting lifting plate 262 and two cutting blocks 263; the top of waste material cuts off support 260 is provided with links up groove 2601, cuts off lift cylinder 261 and sets up the rear portion downside at waste material cuts off support 260, cuts off lifter plate 262 and connects at the top of cutting off lift cylinder 261, and lies in cutting off lifter plate 262 both sides and be provided with on waste material cuts off support 260 and cut off stopper 264, cuts off stopper 264 and is convenient for better will cut off lifter plate 262 and carry on spacingly. Two cutting blocks 263 are provided at the left and right sides of the top of the cutting elevating plate 262 and below the rear side of the engaging groove 2601. The two cutting blocks 263 on the cutting lifting plate 262 are driven to move upwards through the cutting lifting cylinder 261, so that the cut material belt 8 is cut off, the material belt 8 is convenient to recover better, the material belt 8 is prevented from being conveyed too long, the jamming of subsequent treatment is avoided, and the trouble caused by accumulation is prevented.

When the feeding and conveying device works, a terminal belt is conveyed to a terminal belt groove through the feeding and conveying device 1, the jacking cutting module 222 on the jacking plate 221 is driven to jack upwards through the cutting and lifting cylinder 22, three cutting ejector rods 2222 on the jacking cutting module 222 are aligned with three material belt connectors 80, meanwhile, the clamping cutting moving plate 243 is driven to move through the clamping cutting cylinder 241 in the clamping cutting assembly 24 and the second clamping cutting assembly 25, the moving sliding rod 2432 in the inclined sliding groove 2431 moves inwards, two pressing cross rods 2433 on two sides press two sides of the cutting pressing plate 23, so that three groups of pressing cutting modules 232 on the cutting pressing plate 23 press downwards, three pressing rods 2321 in each group of pressing cutting modules 232 are positioned on the same straight line with the cutting points of the three cutting ejector rods 2222 and the three material belt connectors 80, the three pressing rods 2321 press downwards, and the three cutting ejector rods 2222 jack up, three connecting terminals 7 on the left side and the right side are cut off, the connecting terminals 7 are sucked and transferred through the pressing plate through holes 231 by the transfer device 3, and the two cutting blocks 263 on the cutting lifting plate 262 are driven to move upwards by the cutting lifting cylinder 261, so that the cut material belt 8 is cut off and recovered.

This cutting device 2 has solved current at the in-process that cuts off, and only the cutting off cutter of top moves downwards and cuts off, and the below supports inadequately, leads to often appearing cutting off excessively or cuts off the phenomenon of disappearance to lead to the binding post shape after cutting off not neat or directly scrap, influence and cut off quality and cut off efficiency.

Promote at the cutting process through cutting device 2, carry out jacking and undercut simultaneously to the upper and lower both sides of bisection breakpoint, thereby prevent to appear cutting off uneven phenomenon in the cutting process, and correspond through the point, further promote and cut off the precision, promote and cut off the quality, and cut off the better promotion precision of also being convenient for through the multiple spot, prevent to appear cutting off the deviation, and the device is still convenient for cut off the material area after cutting off and retrieve, prevent that the material area from piling up and be difficult to handle the trouble of bringing, promote the smoothness nature of neatness and whole cutting off.

As shown in fig. 1, 2 and 6, the transfer device 3 includes a transfer support 31, a transfer electric cylinder 32, a transfer support plate 33, a first transfer assembly 34, a second transfer assembly 35 and a third transfer assembly 36; the transfer holder 31 is positioned above the cutting device 2, the transfer cylinder 32 is horizontally disposed on the transfer holder 31, and the transfer support plate 33 is disposed on a moving portion of the transfer cylinder 32, and the transfer support plate 33 is moved horizontally and positioned by the transfer cylinder 32. The first transfer assembly 34 includes a first transfer elevating cylinder 341, a first transfer elevating plate 342, a first suction frame 343, and a second suction frame 344; the first transfer lifting cylinder 341 is disposed at the left portion of the transfer support plate 33, the first transfer lifting plate 342 is connected to the bottom of the first transfer lifting cylinder 341, the first suction frame 343 and the second suction frame 344 are disposed at the left and right sides of the first transfer lifting plate 342, the first suction frame 343 and the second suction frame 344 are both provided with three suction rods 345, the first transfer lifting cylinder 341 on the first transfer assembly 34 drives the first suction frame 343 and the second suction frame 344 on the first transfer lifting plate 342 to perform lifting and positioning, and the three cut connection terminals 7 are directly sucked and transferred to the upper side of the rotating device 4 through the three suction rods 345. The second transfer assembly 35 includes a second transfer lifting cylinder 351, a second transfer lifting plate 352 and a third suction frame 353; the second transfer elevating cylinder 351 is provided at the middle of the transfer supporting plate 33; the second transfer lifting plate 352 is connected with the bottom of the second transfer lifting cylinder 351, the third suction frame 353 is arranged at the lower part of the second transfer lifting plate 352, and three rotary suction rods 354 are arranged on the third suction frame 353; the third transfer assembly 36 comprises a third transfer lifting cylinder 361, a third transfer lifting plate 362 and a fourth suction frame 363; the third transfer elevating cylinder 361 is provided at the right portion of the transfer supporting plate 33; the third transfer lifting plate 362 is connected with the bottom of the third transfer lifting cylinder 361, the fourth suction frame 363 is arranged at the lower part of the third transfer lifting plate 362, and three turnover suction rods 364 are arranged on the fourth suction frame 363. The second transfer assembly 35 and the third transfer assembly 36 are used for sucking and transferring the three wiring terminals 7 after 180-degree horizontal rotation to the terminal turnover device 5, and the third transfer assembly 36 is used for sucking and transferring the three wiring terminals 7 after 90-degree longitudinal rotation to the discharging device 6 for discharging through the same working mode as that of the first transfer assembly 34.

The transfer device 3 is convenient for stably transferring the terminals 7 after rotation and overturning, and the number of transfer and the stability in the transfer process are improved.

As shown in fig. 1, 2 and 7, the rotating device 4 includes a rotating horizontal electric cylinder 41, a rotating bracket 42, a rotating cylinder 43, and a rotating support 44; the rotary horizontal electric cylinder 41 is arranged on the frame, the rotary bracket 42 is arranged on the moving part of the rotary horizontal electric cylinder 41, the rotary cylinder 43 is arranged at the lower part of the rotary bracket 42, the rotary part of the rotary cylinder 43 is connected with a rotating shaft 431, the rotating shaft 431 penetrates through the top of the rotary bracket 42 to be connected with the rotary support seat 44, and the rotary support seat 44 is provided with three terminal limiting grooves 441.

During operation, transfer three binding post 7 to three terminal spacing groove 441 of rotary supporting seat 44 through transfer device 3 in, drive pivot 431 through revolving cylinder 43 and rotate to the rotary supporting seat 44 at drive pivot 431 top carries out 180 horizontal rotation. The terminal 7 and the terminal turnover device 5 can be turned over conveniently by the rotation of the rotating device 4, so that the terminal can be better assembled with a subsequent terminal base.

As shown in fig. 1, 2 and 8, the terminal turnover device 5 includes a turnover bracket 51, a turnover motor 52, a turnover rotating shaft 53 and a turnover base 54; the turning support 51 is arranged on the rack, the turning motor 52 is arranged on the rear side of the upper portion of the turning support 51, the turning rotating shaft 53 is connected with the front end of the turning motor 52, the turning rotating shaft 53 is arranged on the upper portion of the turning support 51 through a turning bearing, and the turning rotating shaft 53 is driven to rotate and position through the turning motor 52. The turning base 54 is sleeved on the turning rotating shaft 53, and the turning base 54 is driven by the turning rotating shaft 53 to longitudinally rotate for 90 degrees. The left part of upset seat 54 is provided with the spacing upset groove 541 of three terminal, through the spacing upset groove 541 of terminal be convenient for better carry on spacing fixedly binding post 7, prevent to drop in transfer and upset. The overturning bracket 51 is provided with an overturning limiting rod 511 corresponding to the terminal limiting overturning groove 541, the overturning limiting rod 511 is provided with an overturning limiting groove 512 matched with the terminal, the overturning limiting groove 512 corresponds to three terminal connectors 70 of the wiring terminal 7, and each terminal connector 70 is positioned in one overturning limiting groove 512. The right part of the turning seat 54 is provided with three limiting cylinders 55 corresponding to the terminal limiting turning grooves 541, the left end of each limiting cylinder 55 is connected with a turning limiting moving plate 551, the turning limiting moving plates 551 are driven by the limiting cylinders 55 to move horizontally, the right end of each turning limiting moving plate 551 is located above the terminal limiting turning grooves 541, and the terminals are limited between the terminal limiting turning grooves 541 and the turning limiting moving plates 551. The overturning limiting moving plate 551 is provided with an inclined limiting hole, a limiting rod is arranged in the inclined limiting hole and is arranged on the overturning seat 54, the overturning limiting moving plate 551 is driven by the limiting cylinder 55 to clamp the wiring terminal 7 to be limited, the overturning limiting moving plate 551 is inclined downwards, the distance between the terminal limiting overturning groove 541 and the overturning limiting moving plate 551 is reduced, and therefore the wiring terminal 7 is clamped to be limited, looseness in the overturning process is prevented, and the terminal is dropped.

During operation, the three turning limit moving plates 551 are respectively driven by the three limit cylinders 55 to move leftwards, so that the spacing distance between the turning limit moving plates 551 and the terminal limit turning grooves 541 is reduced, the wiring terminals 7 between the turning limit moving plates 551 and the terminal limit turning grooves 541 are clamped and fixed, and the three wiring terminals 7 on the turning base 54 are driven by the turning motor 52 to rotate for 90 degrees.

The stability of the wiring terminal 7 is convenient to promote in the overturning process through the terminal overturning device 5, the wiring terminal 7 is prevented from falling in the overturning process due to insufficient clamping force, and the three wiring terminals are conveniently and better inserted into the wiring terminal base respectively in the overturning process.

An electric connector comprises a connecting terminal, and a cutting device using the connecting terminal is obtained by adopting the following cutting method which sequentially comprises the following steps:

feeding: the first carrier tape 14 is driven to rotate and convey by a carrier tape driving motor 16 on the feeding conveying device 1, so that the terminal tape is stably and rotatably conveyed to a carrier tape joint block 17 and extends to two positioning conveying grooves 180, a first positioning conveying gear 184 and a second positioning conveying gear 185 are driven to rotate by a positioning conveying motor 182, and the terminal tape is matched with the first positioning conveying gear 184 and the second positioning conveying gear 185 to be stably conveyed one by one;

(II) cutting: the terminal belt is conveyed to the terminal belt groove by the feeding conveying device 1, the jacking cutting module 222 on the jacking plate 221 is driven to jack upwards by the cutting lifting cylinder 22, so that three cutting ejector rods 2222 on the jacking cutting module 222 are aligned with three belt connectors 80, meanwhile, the clamping cutting moving plate 243 is driven to move by the clamping cutting cylinder 241 in the clamping cutting assembly 24 and the second clamping cutting assembly 25, the moving sliding rod 2432 in the inclined sliding groove 2431 moves inwards, two pressing cross rods 2433 on two sides press two sides of the cutting pressing plate 23, so that three groups of pressing cutting modules 232 on the cutting pressing plate 23 press downwards, three pressing rods 2321 in each group of pressing cutting modules 232, the cutting points of the three cutting ejector rods 2222 and the three belt connectors 80 are positioned on the same straight line, and the three pressing rods 2321 press downwards and jack up the three cutting ejector rods 2222, cutting off the three wiring terminals 7 on the left side and the right side;

(III) transferring: the first transfer lifting cylinder 341 on the first transfer assembly 34 on the transfer device 3 drives the first suction rack 343 and the second suction rack 344 on the first transfer lifting plate 342 to lift and position, and the three cut connection terminals 7 are conveniently sucked and transferred to the upper part of the rotating device 4 through the three suction rods 345; the second transfer assembly 35 and the third transfer assembly 36 are used for sucking and transferring the three wiring terminals 7 after 180-degree horizontal rotation to the terminal turnover device 5, and the third transfer assembly 36 is used for sucking and transferring the three wiring terminals 7 after 90-degree longitudinal rotation to the discharging device 6 for discharging through the same working mode as that of the first transfer assembly 34.

(IV) rotating, turning over and discharging: the three wiring terminals 7 are transferred into the three terminal limiting grooves 441 of the rotary supporting seat 44 of the rotating device 4 through the transferring device 3, and the rotating cylinder 43 drives the rotating shaft 431 to rotate, so that the rotary supporting seat 44 at the top of the rotating shaft 431 is driven to horizontally rotate for 180 degrees; after the rotation, the terminal is transferred to the terminal turnover device 5 through the transfer device 3, three turnover limiting moving plates 551 are respectively driven to move leftwards through three limiting cylinders 55, so that the wiring terminals 7 between the turnover limiting moving plates 551 and the terminal limiting turnover grooves 541 are clamped and fixed, the three wiring terminals 7 on the turnover seat 54 are driven to rotate for 90 degrees through the turnover motor 52, and after the turnover, the terminal is transferred to the discharging device 6 through the transfer device 3 and the discharging is carried out.

The equipment is convenient to transfer the first carrier tape 14 to the second carrier tape 15 when the first carrier tape 14 is used up through the two carrier tapes on the feeding and conveying device 1, pause or pause in conveying and processing is prevented, smoothness and continuity of processing are improved, replacement of the first carrier tape 14 is facilitated after transfer, and replacement efficiency is improved. The overall processing efficiency is improved; the upper side and the lower side of a cut-off point are simultaneously jacked and cut down by the cutting device 2 in the cutting process, so that the phenomenon of irregular cutting in the cutting process is prevented, the cutting precision is further improved by point-to-point correspondence, the cutting quality is improved, better accuracy is improved by multipoint cutting, cutting deviation is prevented, the cut-off material belt is convenient to cut and recover, the trouble caused by difficult processing of accumulated material belt is prevented, and the neatness and the smoothness of integral cutting are improved; the transfer device 3 is convenient for stably transferring the rotated and turned wiring terminals 7, so that the transfer quantity and the stability in the transfer process are improved; the rotating device 4 is rotated to facilitate the turning treatment of the terminal 7 and the terminal turning device 5, so that the terminal can be better assembled with a subsequent terminal base; the stability of the wiring terminal 7 is convenient to promote in the overturning process through the terminal overturning device 5, the wiring terminal 7 is prevented from falling in the overturning process due to insufficient clamping force, and the three wiring terminals are conveniently and better inserted into the wiring terminal base respectively in the overturning process.

Claims

1. The cutting equipment of the connecting terminal of the electric connector is characterized by comprising a rack, and a feeding conveying device (1), a cutting device (2), a transfer device (3), a rotating device (4), a terminal turnover device (5) and a discharging device (6) which are arranged on the rack; the feeding conveying device (1), the cutting device (2), the transfer device (3), the rotating device (4), the terminal turnover device (5) and the discharging device (6) are sequentially arranged from a feeding end to a discharging end; the feeding and conveying device (1) is used for conveying the terminal strip to the cutting device (2); the cutting device (2) is used for cutting the terminals on the terminal belt; the transfer device (3) is positioned above the cutting device (2), the transfer device (3) is used for transferring the terminals onto the rotating device (4) to rotate, transferring the rotated terminals onto the terminal overturning device (5) to overturn, and the discharging device (6) is used for conveying and discharging the terminals;

the feeding conveying device (1) comprises a feeding support (11), a horizontal moving electric cylinder (12), a terminal carrier tape support frame (13), a first carrier tape (14) and a second carrier tape (15); the feeding support (11) is horizontally arranged on the front side of the feeding end of the rack, the horizontal moving electric cylinder (12) is arranged on the feeding support (11), the terminal carrier tape support frame (13) is arranged on a moving part of the horizontal moving electric cylinder (12), the first carrier tape (14) and the second carrier tape (15) are respectively arranged on the left side and the right side of the terminal carrier tape support frame (13), the centers of the first carrier tape (14) and the second carrier tape (15) are respectively connected with a carrier tape driving motor (16), the first carrier tape (14) and the second carrier tape (15) are respectively driven to rotate by the two carrier tape driving motors (16), and a plurality of carrier tape connecting blocks (17) are respectively arranged on the left side and the right side of the terminal carrier tape support frame (13) and below the first carrier tape (14) and the second carrier tape (15); a positioning conveying support (18) is arranged at the discharge ends of the first carrier tape (14) and the second carrier tape (15); the positioning and conveying device comprises a positioning and conveying support (18), a positioning and conveying motor (182), a positioning and conveying rotating shaft (183), a first positioning and conveying gear (184) and a second positioning and conveying gear (185), wherein the positioning and conveying support (18) is arranged on a rack through a positioning and conveying sliding rail, and positioning and conveying assemblies are arranged on the left side and the right side of the positioning and conveying support (18); the positioning and conveying base (181) is arranged on the positioning and conveying support (18), two positioning and conveying grooves (180) are formed in the positioning and conveying base (181), the positioning and conveying motor (182) is arranged on the outer side of the positioning and conveying support (18), the positioning and conveying rotating shaft (183) is connected with the positioning and conveying motor (182), the positioning and conveying rotating shaft (183) is horizontally arranged on the positioning and conveying base (181) through a bearing, the first positioning and conveying gear (184) and the second positioning and conveying gear (185) are respectively sleeved on the left side and the right side of the positioning and conveying rotating shaft (183), and the tooth pitch of the first positioning and conveying gear (184) and the tooth pitch of the second positioning and conveying gear (185) are matched with the terminal conveying belt;

the cutting device (2) comprises a cutting support (21), a cutting lifting cylinder (22), a cutting pressing plate (23), a first clamping and cutting assembly (24), a second clamping and cutting assembly (25) and a waste cutting assembly (26); the cutting support (21) is arranged on the rack and is positioned at the rear side of the discharge end of the feeding conveying device (1); two parallel terminal belt grooves are arranged on the top plate of the cutting bracket (21) in the front-back direction; the middle part of each terminal belt groove is provided with a transferring and sucking through hole (212); the cutting-off lifting cylinder (22) is arranged on the lower portion of the cutting-off support (21) through a cylinder connecting plate, the top of the cutting-off lifting cylinder (22) is connected with a jacking plate (221), the left side and the right side of the middle of the jacking plate (221) are respectively provided with a plurality of jacking cutting modules (222), the jacking cutting modules (222) on the left side and the right side are symmetrically arranged, the jacking plate (221) is connected with a jacking module limiting plate (223), the jacking module limiting plate (223) is provided with a jacking module limiting seat (224), and the top of each jacking cutting module (222) penetrates through the jacking module limiting plate (223), the jacking module limiting seat (224) and a top plate of the cutting-off support (21) and is located in the transfer suction through; the cutting pressing plate (23) is arranged on a top plate of the cutting support (21), the middle of the cutting pressing plate (23) is provided with pressing plate through holes (231) corresponding to the two transferring and sucking through holes (212), the outer sides of the two pressing plate through holes (231) are respectively provided with a plurality of groups of pressing cutting modules (232), and the pressing cutting modules (232) are correspondingly matched with the jacking cutting modules (222); a pressing fit plate (27) is arranged on the cutting and pressing plate (23), and a pressing fit through hole (270) corresponding to the pressing plate through hole (231) is arranged on the pressing fit plate (27); the first clamping cutting-off component (24) and the second clamping cutting-off component (25) are respectively positioned at two sides of the cutting-off pressing plate (23), and the first clamping cutting-off component (24) and the second clamping cutting-off component (25) are matched with the pressing matching plate (27) to press the pressing cutting-off module (232) on the cutting-off pressing plate (23); the scrap cutting assembly (26) is arranged at the rear part of the cutting bracket (21), and the scrap cutting assembly (26) is used for cutting the cut terminal strip;

each jacking cutting-off module (222) comprises a main ejector rod (2221) and three cutting ejector rods (2222); the three cutting ejector rods (2222) are respectively arranged at the front part, the middle part and the rear part of the outer side of the main ejector rod (2221), and cutting ejector heads (2223) are respectively arranged on the three cutting ejector rods (2222); each group of pressing and cutting-off modules (232) comprises three pressing rods (2321); a plurality of pressing rod grooves are formed in the cutting pressing plates (23) and located on the outer sides of the two pressing plate through holes (231), each pressing rod (2321) is arranged in each pressing rod groove, a pressing tangent plane (2322) is arranged at the bottom of each pressing rod (2321), and each pressing rod (2321) is aligned with each cutting ejector rod (2222);

the structure of the first clamping cutting-off assembly (24) is the same as that of the second clamping cutting-off assembly (25), the first clamping cutting-off assembly (24) and the second clamping cutting-off assembly (25) are arranged in bilateral symmetry, and the first clamping cutting-off assembly (24) comprises a clamping cutting-off cylinder (241), a clamping cutting-off supporting seat (242), a clamping cutting-off moving plate (243) and a clamping cutting-off cover plate (244); the clamping and cutting-off air cylinder (241) is positioned at the rear side of the clamping and cutting-off supporting seat (242), a moving groove (2421) in the front-back direction is formed in the clamping and cutting-off supporting seat (242), and two moving pressing grooves (2422) in the horizontal direction are formed in the upper part of the clamping and cutting-off supporting seat (242); the clamping and cutting-off moving plate (243) is connected with the front end of a clamping and cutting-off cylinder (241), the clamping and cutting-off moving plate (243) is located in a moving groove (2421), two parallel inclined sliding grooves (2431) are formed in the clamping and cutting-off moving plate (243), a moving sliding rod (2432) is arranged in each inclined sliding groove (2431), the top of each moving sliding rod (2432) is connected with a pressing cross rod (2433), the two pressing cross rods (2433) are located in the moving pressing groove (2422), a pressing matching groove (271) is formed in the position, corresponding to the moving pressing groove (2422), of the pressing matching plate (27), and the inner end of each pressing cross rod (2433) is located in the corresponding matching groove (271); a matching inclined plane (24331) is arranged on the pressing cross bar (2433), and pressing matching inclined planes (233) matched with the matching inclined plane (24331) are arranged on two sides of the cutting pressing plate (23); the clamping and cutting-off cover plate (244) is arranged on the clamping and cutting-off support seat (242), two runway-shaped through holes (2441) are formed in the clamping and cutting-off cover plate (244), and the tops of the two moving sliding rods (2432) are located in the two runway-shaped through holes (2441); the waste cutting assembly (26) comprises a waste cutting support (260), a cutting lifting cylinder (261), a cutting lifting plate (262) and two cutting blocks (263); the top of the waste material cutting support (260) is provided with a joining groove (2601), a cutting lifting cylinder (261) is arranged at the lower side of the rear part of the waste material cutting support (260), a cutting lifting plate (262) is connected to the top of the cutting lifting cylinder (261), and cutting limit blocks (264) are arranged on the waste material cutting support (260) and positioned at two sides of the cutting lifting plate (262); the left side and the right side of the top of the cutting lifting plate (262) are respectively provided with a cutting block (263), and the cutting blocks (263) are positioned below the rear side of the joining groove (2601).

2. A cutting device of an electric connector terminal according to claim 1, characterized in that said transfer means (3) comprise a transfer carriage (31), a transfer cylinder (32), a transfer support plate (33), a first transfer assembly (34), a second transfer assembly (35) and a third transfer assembly (36); the transfer support (31) is positioned above the cutting device (2), the transfer electric cylinder (32) is horizontally arranged on the transfer support (31), the transfer support plate (33) is arranged on a moving part of the transfer electric cylinder (32), and the first transfer assembly (34) comprises a first transfer lifting cylinder (341), a first transfer lifting plate (342), a first suction frame (343) and a second suction frame (344); the first transfer lifting cylinder (341) is arranged at the left part of the transfer supporting plate (33), the first transfer lifting plate (342) is connected with the bottom of the first transfer lifting cylinder (341), the first suction frame (343) and the second suction frame (344) are respectively arranged at the left side and the right side of the first transfer lifting plate (342), and a plurality of suction rods (345) are respectively arranged on the first suction frame (343) and the second suction frame (344); the second transfer assembly (35) comprises a second transfer lifting cylinder (351), a second transfer lifting plate (352) and a third suction frame (353); the second transfer lifting cylinder (351) is arranged in the middle of the transfer supporting plate (33); the second transfer lifting plate (352) is connected with the bottom of the second transfer lifting cylinder (351), the third suction frame (353) is arranged at the lower part of the second transfer lifting plate (352), and a plurality of rotary suction rods (354) are arranged on the third suction frame (353); the third transfer assembly (36) comprises a third transfer lifting cylinder (361), a third transfer lifting plate (362) and a fourth suction frame (363); the third transfer lifting cylinder (361) is arranged at the right part of the transfer supporting plate (33); the third transfer lifting plate (362) is connected with the bottom of the third transfer lifting cylinder (361), the fourth suction frame (363) is arranged at the lower part of the third transfer lifting plate (362), and a plurality of turnover suction rods (364) are arranged on the fourth suction frame (363).

3. A device for severing the terminal of an electrical connector as claimed in claim 1, characterized in that said rotating means (4) comprise a rotating horizontal electric cylinder (41), a rotating bracket (42), a rotating cylinder (43), a rotating support (44); the rotary horizontal electric cylinder (41) is arranged on the frame, the rotary support (42) is arranged on the moving part of the rotary horizontal electric cylinder (41), the rotary air cylinder (43) is arranged at the lower part of the rotary support (42), the rotary part of the rotary air cylinder (43) is connected with a rotary shaft (431), the rotary shaft (431) penetrates through the top of the rotary support (42) to be connected with the rotary support seat (44), and the rotary support seat (44) is provided with a plurality of terminal limiting grooves (441).

4. The cutting equipment of the connecting terminal of the electric connector according to claim 1, characterized in that the terminal turnover device (5) comprises a turnover bracket (51), a turnover motor (52), a turnover rotating shaft (53) and a turnover seat (54); the turnover support (51) is arranged on the rack, the turnover motor (52) is arranged at the rear side of the upper part of the turnover support (51), the turnover rotating shaft (53) is connected with the front end of the turnover motor (52), the turnover rotating shaft (53) is arranged at the upper part of the turnover support (51) through a turnover bearing, the turnover seat (54) is sleeved on the turnover rotating shaft (53), the left part of the turnover seat (54) is provided with a plurality of terminal limiting turnover grooves (541), a turnover limiting rod (511) is arranged on the turnover support (51) corresponding to the terminal limiting turnover grooves (541), the turnover limiting rod (511) is provided with a turnover limiting groove (512) matched with the terminal, the right part of the turnover seat (54) is provided with a plurality of limiting cylinders (55) corresponding to the terminal limiting turnover grooves (541), the left end of the limiting cylinder (55) is connected with a turnover limiting moving plate (551), and the right end of the turnover limiting moving plate (551) is positioned above the terminal limiting turnover grooves (541), and the terminal is limited between the terminal limiting overturning groove (541) and the overturning limiting moving plate (551), an inclined limiting hole is formed in the overturning limiting moving plate (551), a limiting rod is arranged in the inclined limiting hole, and the limiting rod is arranged on the overturning seat (54).