CN219998685U - Double-end terminal overturning crimping machine - Google Patents

Abstract

The utility model relates to the technical field of processing equipment for connecting electric conductors, in particular to a double-end terminal overturning crimping machine which comprises a machine case, a wire conveying mechanism, a cutting and peeling mechanism, a wire pulling mechanism, a transfer mechanism and a wire clamping overturning mechanism, wherein the wire conveying mechanism, the cutting and peeling mechanism, the wire pulling mechanism and the transfer mechanism are arranged on the machine case; the wire conveying mechanism comprises a conveying seat and a side driving device for driving the conveying seat to linearly move laterally; the conveying seat comprises a conveying plate and a linear driving device for driving the conveying plate to move forwards and backwards, and the conveying plate is provided with a straightening device; the wire clamping turnover mechanism comprises a translation mechanism and a pneumatic turnover chuck, the wire clamping turnover mechanism is fixedly connected with the case, and the pneumatic turnover chuck is fixedly connected with the translation mechanism; the clamping head of the pneumatic overturning clamping head is L-shaped. The clamping claw of the wire clamping turnover mechanism can turn over, so that the moving stroke length of the clamping claw is reduced, the equipment structure is more compact, and the occupied area of the equipment is saved.

Description

Double-end terminal overturning crimping machine

Technical Field

The utility model relates to the technical field of processing equipment for connecting electric conductors, in particular to a double-end terminal overturning crimping machine.

Background

The terminal connecting wire is a data transmission cable and comprises a wire and a metal sheet positioned at the end part of the wire, wherein a socket is formed at the metal sheet, so that the connection of the wire is convenient, and the terminal connecting wire can be used as the internal wiring of various electrical products such as computers, communication equipment, medical equipment and the like. The terminal connecting wire both ends all set up the socket and call the double-end terminal connecting wire promptly, and during double-end terminal connecting wire processing, need use the terminal crimping machine with sheetmetal pressure equipment at the wire both ends, current terminal crimping technique like CN110247275A (a double-end machine of beating), can realize cutting the wire rod, peels and the automation mechanized operation that the double-end was beaten the end, but have following problem to wait to solve:

1. the second wire moving device is a clamping manipulator, the wire can only move in parallel after being clamped, and when the wire is sent to the second end-beating device, the stroke of the second wire moving device is long, so that the equipment structure is not compact, and the occupied area of the equipment is increased.

2. The wire inlet mechanism is fixedly arranged at the rear of the first wire moving device, when the first wire moving device translates wires to the first end-beating mechanism for terminal crimping, the straightening wheels of the mechanism cannot move along with the wires, so that the wires are bent, and the terminal crimping effect is affected.

Disclosure of Invention

The utility model provides a double-end terminal overturning crimping machine which can solve the problems that the existing wire moving device is long in moving stroke, equipment is not compact, and occupied area is increased.

The utility model provides the following technical scheme: the double-end terminal overturning crimping machine comprises a machine case, a wire conveying mechanism, a cutting peeling mechanism, a wire pulling mechanism, a transfer mechanism and a wire clamping overturning mechanism, wherein the wire conveying mechanism, the cutting peeling mechanism, the wire pulling mechanism and the transfer mechanism are arranged on the machine case; the wire conveying mechanism comprises a conveying seat and a side driving device for driving the conveying seat to linearly move laterally; the conveying seat comprises a conveying plate and a linear driving device for driving the conveying plate to move forwards and backwards, and the conveying plate is provided with a straightening device; the wire clamping turnover mechanism comprises a translation mechanism and a pneumatic turnover chuck, the wire clamping turnover mechanism is fixedly connected with the case, and the pneumatic turnover chuck is fixedly connected with the translation mechanism; the clamping head of the pneumatic overturning clamping head is L-shaped.

The beneficial effects are that:

1. a pneumatic overturning chuck is added on one side of the translation mechanism, when the pneumatic overturning chuck is connected with a wire rod from the transfer mechanism, the wire rod can be clamped at the straight part of the clamping head, and then the wire rod can be overturned to the other side by taking the vertical direction as a symmetrical line; compared with the prior art, the wire rod moving device has the advantages that only the direct translation clamping jaw is arranged to move the wire rod, the linear translation stroke length of the wire rod is reduced, the width of the device is reduced, and the occupied area is saved.

2. The wire straightening device is arranged on the conveying plate, the linear driving device can drive the conveying plate to move back and forth, the wire can be conveniently conveyed to the cutting and peeling mechanism to be cut and peeled, the side driving device can laterally drive the conveying plate to the end-crimping equipment to be in terminal crimping, the wire straightening device can move along with the conveying plate, the wire cannot be bent during lateral movement, and the quality of the subsequent terminal crimping is guaranteed.

Description: in fig. 1, the wire conveying direction is the front and back direction, and the two sides perpendicular to the wire conveying direction are the left and right sides respectively; thus, the lateral rectilinear motion means that the lateral driving device can drive the conveying seat to reciprocate left and right.

Further, the side drive arrangement is including fixing the sideslip rail on quick-witted case, and sliding connection has the sideslip piece on the side rail, and threaded connection has first lead screw in the middle of the sideslip piece, and the both ends of first lead screw are connected with first motor and first positioning seat respectively, first motor and first lead screw fixed connection, and first positioning seat rotates with first lead screw to be connected, and first motor and first positioning seat are fixed on quick-witted case, the top fixedly connected with backup pad of side slider.

The beneficial effects are that: the side sliding block is in threaded connection with the first screw rod, the first screw rod rotates between the first motor and the first positioning seat under the driving of the first motor, and then the side sliding block and the supporting plate fixed above the side sliding block are driven to reciprocate left and right along the side sliding rail.

Further, the linear driving device comprises a second screw rod, a second motor and a second positioning seat, wherein the second motor and the second positioning seat are fixed on the supporting plate, the second motor and the second positioning seat are oppositely arranged, the second screw rod is fixedly connected with the second motor, the second positioning seat is rotationally connected with the second motor, and the second screw rod is in threaded connection with the conveying plate.

The beneficial effects are that: the second screw rod rotates between the second motor and the second positioning seat under the drive of the second motor, and can drive the conveying plate to move back and forth.

Further, the delivery plate includes slide bar, first arch, second arch and hold-down mechanism, delivery plate below fixedly connected with first arch and second arch, the slide bar passes the second positioning seat and sliding connection with it, the both ends of slide bar respectively with first arch and second protruding fixed connection, first arch and second lead screw threaded connection, second arch fixedly connected with hold-down mechanism, hold-down mechanism includes compressing cylinder and compact heap, compressing cylinder fixes in the bellied place ahead of second, compact heap and compressing cylinder piston rod fixed connection, the compact heap is located the top of delivery plate.

The beneficial effects are that: because first arch and second lead screw threaded connection, when the back-and-forth movement of second lead screw drive delivery plate, the slide bar that is located between first arch and the second arch slides on the second positioning seat, can play the effect of direction to the delivery plate, and the wire rod passes from the compact heap below simultaneously, and the compact heap can drive the compact heap and compress tightly the wire rod, guarantees the wire rod and tailors and the effect of skinning.

Further, the alignment device comprises a fixed plate, a roll shaft positioning seat and a roll shaft, wherein the fixed plate is fixed on the conveying plate, the roll shaft positioning seat is fixed on the fixed plate, the roll shaft is connected to the side surface of the roll shaft positioning seat through a screw, and the roll shaft can rotate around the polished rod surface of the screw.

The beneficial effects are that: the wire is pressed under the straightening roll shaft, and when the wire is conveyed, the roll shaft rotates around the polish rod of the screw due to friction force of the wire, and meanwhile, the bent wire is straightened due to reaction force of the roll shaft.

Further, translation mechanism includes riser, horizontal slide rail, third motor, third lead screw and horizontal slider, the riser is fixed on quick-witted case, the direction of horizontal slide rail perpendicular to riser is fixed and is being close to the quick-witted case wall of riser upper end, and the one end fixedly connected with third motor of riser is kept away from to horizontal slide rail, and the one end fixedly connected with of third motor and third lead screw, the other end and the riser rotation of third lead screw are connected, are equipped with the horizontal slider of L type between third motor and riser, the short arm end and the horizontal slide rail sliding connection of horizontal slider and with third lead screw threaded connection, the long arm end fixedly connected with pneumatic upset chuck of horizontal slider.

The beneficial effects are that: and the third screw rod rotates between the third motor and the vertical plate under the drive of the third motor, so that the transverse sliding block and the pneumatic overturning chuck fixed on the transverse sliding block are driven to horizontally reciprocate along the transverse sliding rail.

Further, tailor peeling mechanism includes vertical slide rail, goes up cutter holder, lower cutter holder, two-way lead screw and vertical motor, vertical slide rail fixedly connected with is protruding, and two-way lead screw upper end rotates with protruding to be connected, and the lower extreme and the vertical motor fixed connection of two-way lead screw go up cutter holder and lower cutter holder all with vertical slide rail sliding connection, go up cutter holder and lower cutter seat between protruding and the vertical motor, and with two-way lead screw threaded connection, go up cutter holder and lower cutter seat respectively fixedly connected with and go up cutter group and lower cutter group, go up cutter group blade relatively setting down.

The beneficial effects are that: the bidirectional screw rod rotates under the drive of the vertical motor, so that the upper cutter seat and the lower cutter seat can be simultaneously close to or far away from each other along the vertical sliding rail, and further the upper cutter set and the lower cutter set can complete the cutting and separating actions, so that the wire is sheared and peeled.

Further, the wire pulling mechanism is arranged opposite to the wire conveying mechanism and is positioned between the transfer mechanism and the wire clamping turnover mechanism, the wire pulling mechanism comprises a cylinder and a wire pulling clamping jaw fixedly connected with a cylinder piston rod, and the transfer mechanism comprises the cylinder and a transfer clamping jaw fixedly connected with the cylinder piston rod.

The beneficial effects are that: the wire rod that the wire rod clamping jaw can transport from the defeated line mechanism is pulled forward, makes the transfer clamping jaw grasp the wire rod to cut peeling mechanism and cut the wire rod, the transfer clamping jaw pulls after grasping the wire rod afterwards, peels off the crust of wire rod, is convenient for follow-up crimping that carries out the second terminal.

Further, the device also comprises a first terminal crimping die and a second terminal crimping die which are arranged on the chassis; the first terminal crimping die and the second terminal crimping die are respectively arranged on two sides of the cutting peeling mechanism, and the second terminal crimping die is arranged on the same side of the wire clamping turnover mechanism.

The beneficial effects are that: when the wire rod positioned on the conveying seat is cut and peeled, the wire rod is conveyed to the working area of the first terminal crimping die by the side driving device, the metal sheet terminal is crimped onto the peeled wire rod end by the first terminal crimping die, then the side driving device is reset, the wire rod is conveyed to the working area of the second terminal crimping die through the cooperation of the mechanisms, and the other metal sheet terminal is crimped onto the other end of the wire rod by the second terminal crimping die.

Drawings

Fig. 1 is a schematic diagram of a double-ended terminal flip press-bonding machine according to the present utility model (the wire clamping flip mechanism 7 is in a flipped state);

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic diagram of the wire feeding mechanism in FIG. 1;

FIG. 4 is a schematic view of the side driving apparatus of FIG. 3;

FIG. 5 is a schematic view of the structure of the conveying seat in FIG. 3;

FIG. 6 is a schematic view of the linear driving apparatus shown in FIG. 5;

FIG. 7 is a schematic view of the transfer plate of FIG. 5;

fig. 8 is a schematic view of the alignment device of fig. 5;

FIG. 9 is a schematic diagram of the pressing mechanism of FIG. 5;

FIG. 10 is a schematic view of the cutting peeling mechanism of FIG. 1;

FIG. 11 is a front view of FIG. 10;

FIG. 12 is a schematic diagram of the transfer mechanism of FIG. 1;

FIG. 13 is a schematic view of the wire pulling mechanism of FIG. 1;

FIG. 14 is an enlarged view of the wire harness flipping mechanism of FIG. 1;

FIG. 15 is a schematic view of the translation mechanism of FIG. 14;

fig. 16 is a schematic view of a pneumatically actuated flip-flop clamp with a wire attached thereto.

Detailed Description

The following is a further detailed description of the embodiments:

the labels in the drawings of this specification include: the wire feeder comprises a case 1, a wire feeding mechanism 2, a side driving device 21, a conveying seat 22, a side sliding rail 211, a side sliding block 212, a first screw 213, a first positioning seat 214, a supporting plate 215, a first motor 216, a linear driving device 221, a second screw 2211, a second positioning seat 2212, a second motor 2213, a through hole 2214, a conveying plate 222, a sliding rod 2221, a first boss 2222, a threaded hole 22221, a second boss 2223, a straightening device 2224, a fixing plate 22241, a roll shaft positioning seat 22242, a roll shaft 22243, a pressing mechanism 2225, a pressing cylinder 22251, a pressing block 22252, a cutting and peeling mechanism 3, a vertical motor 31, a vertical sliding rail 32, a boss 33, a bidirectional screw 34, an upper cutter seat 35, a lower cutter seat 36, an upper cutter set 351, a lower cutter set 361, a first terminal crimping die 4, a transfer mechanism 5, a transfer cylinder 51, a transfer 52, a wire pulling mechanism 6, a wire pulling cylinder 61, a wire pulling clamping jaw 62, a wire clamping turnover mechanism 7, a translation mechanism 71, a lateral sliding rail 712, a third motor 713, a third motor, a sliding block 715, a lateral clamping jaw 72, a pneumatic clamping jaw 8, and a pneumatic die 8.

Example 1

As shown in fig. 1 and 2, the double-ended terminal overturning and crimping machine comprises a machine case 1, a wire conveying mechanism 2, a cutting and peeling mechanism 3, a first terminal crimping die 4, a transfer mechanism 5, a wire pulling mechanism 6, a wire clamping overturning mechanism 7 and a second terminal crimping die 8 which are arranged on the machine case 1. The wire conveying mechanism 2 and the wire pulling mechanism 6 are arranged oppositely, and the cutting and peeling mechanism 3 is arranged between the wire conveying mechanism and the wire pulling mechanism; the transfer mechanism 5 and the wire clamping turnover mechanism 7 are respectively positioned at two sides of the wire pulling mechanism 6; the first terminal crimping die 4 and the second terminal crimping die 8 are respectively arranged at two sides of the cutting peeling mechanism 3, so that the first terminal crimping die 4 and the second terminal crimping die 8 are distributed in a cross shape with the wire conveying mechanism 2 and the wire pulling mechanism 6; the wire clamping turnover mechanism 7 is disposed at one side close to the second terminal crimping die 8, wherein the first terminal crimping die 4 and the second terminal crimping die 8 are both in the prior art, and the structures thereof are not described too much, and in this scheme, in order to distinguish the crimping sequence, a first and a second are added in front of the terminal crimping die as definitions of sequential crimping.

As shown in fig. 3 and 4, the wire feeding mechanism 2 includes a side driving device 21 and a feeding seat 22 located above the side driving device 21; the side driving device 21 comprises a side sliding rail 211 fixed on the chassis 1 in a direction perpendicular to the conveying direction of the wire 9, the side sliding rail 211 is connected with a side sliding block 212 in a sliding manner, a first screw rod 213 parallel to the sliding direction of the side sliding block 212 is connected in a threaded manner in the middle of the side sliding block 212, one end, close to the second terminal crimping die 8, of the first screw rod 213 is fixedly connected with a first motor 216, the other end of the first screw rod 213 is rotationally connected with a first positioning seat 214 fixed on the chassis 1, and when the first screw rod 213 rotates, the side sliding block 212 can be driven to move towards one side of the first terminal crimping die 4 along the side sliding rail 211; a supporting plate 215 is fixedly connected above the side sliding blocks 212.

As shown in fig. 5 to 9, the conveying seat 22 includes a linear driving device 221 and a conveying plate 222 disposed above the linear driving device 221, the linear driving device 221 includes a second motor 2213 and a second positioning seat 2212 both fixed on the supporting plate 215, the second motor 2213 and the second positioning seat 2212 are oppositely disposed, one end of a second screw rod 2211 is fixedly connected with the second motor 2213, the other end of the second screw rod 2211 is rotatably connected with the second positioning seat 2212, the fixing direction of the second screw rod 2211 is parallel to the conveying direction of the wire rod 9, and a through hole 2214 is disposed on one side of the second positioning seat 2212 away from the second screw rod 2211; the conveying plate 222 comprises a sliding rod 2221 slidably connected to the second positioning seat 2212, and the sliding rod 2221 can slide in the through hole 2214; a first protrusion 2222 is fixed at the tail end of the lower part of the conveying plate 222, which is close to the second motor 2213, a second protrusion 2223 is fixed at the other end of the lower part of the conveying plate 222, two ends of the sliding rod 2221 are respectively fixedly connected with the first protrusion 2222 and the second protrusion 2223, a threaded hole 22221 matched with the second screw rod 2211 is arranged at one side of the first protrusion 2222, which is far away from the sliding rod 2221, so that when the second screw rod 2211 rotates, the conveying plate 222 can be driven to move towards the wire pulling mechanism 6; the straightening device 2224 is fixedly connected to the upper portion of the conveying seat 22, the straightening device 2224 comprises a fixing plate 22241 fixed on the conveying plate 222 and a roll shaft positioning seat 22242 detachably connected with the fixing plate 22241, a roll shaft 22243 is arranged on the side face of a roll shaft 22243 fixing seat in a penetrating mode through a screw in a penetrating mode in the direction perpendicular to conveying of the wire rod 9, a roll shaft 22243 can rotate around a polished rod of the screw, a pressing mechanism 2225 is arranged at one end, close to the second protrusion 2223, of the conveying plate 222, a pressing cylinder 22251 is fixedly connected to one side, away from the sliding rod 2221, of the second protrusion 2223, and a pressing block 22252 is connected with the pressing cylinder 22251 and is arranged above the conveying plate 222.

As shown in fig. 10 and 11, the cutting peeling mechanism 3 includes a vertical motor 31 fixedly connected with the case 1, a vertical sliding rail 32 vertically fixed on the case 1, a protrusion 33 is provided at the top of the vertical sliding rail 32, the upper end of a bidirectional screw rod 34 is rotatably connected with the protrusion 33, the lower end of the bidirectional screw rod 34 is fixedly connected with the vertical motor 31, an upper cutter seat 35 and a lower cutter seat 36 slidably connected with the vertical sliding rail 32 are provided on the bidirectional screw rod 34, the upper cutter seat 35 and the lower cutter seat 36 are located between the protrusion 33 and the vertical motor 31, an upper cutter group 351 and a lower cutter group 361 are respectively fixed at one sides of the upper cutter seat 35 and the lower cutter seat 36 far from the bidirectional screw rod 34, and cutting edges of the upper cutter group 351 and the lower cutter group are oppositely arranged.

As shown in fig. 12 and 13, the transfer mechanism 5 comprises a transfer cylinder 51 fixedly connected with the case 1 and an L-shaped transfer clamping jaw 52 connected with the transfer cylinder, the wire pulling mechanism 6 comprises a wire pulling cylinder 61 fixed on the case 1 and a wire pulling clamping jaw 62 connected with the wire pulling cylinder, the transfer clamping jaw 52 and the wire pulling clamping jaw 62 are pneumatic clamping jaws, and the clamping jaw direction is opposite to the conveying direction of the wire 9.

As shown in fig. 14 and 15, the wire clamping turnover mechanism 7 includes a translation mechanism 71 and a pneumatic turnover chuck 72, the translation mechanism 71 includes a vertical plate 711 vertically fixed on the chassis 1, a lateral sliding rail 712 fixed on the chassis 1 wall is arranged on one side of the upper end of the vertical plate, which is close to the chassis 1 wall, in a direction perpendicular to the vertical plate, a third motor 713 is fixedly connected to one end of the lateral sliding rail 712, which is far away from the vertical plate, the third motor 713 is fixedly connected with one end of a third screw rod 714, the other end of the third screw rod 714 is rotatably connected with the vertical plate, an L-shaped lateral sliding block 715 is connected to an upper thread of the third screw rod 714, a pneumatic turnover chuck 72 is fixedly connected to one side of the lateral sliding block 715, which is close to the second compression mold, of the lateral sliding block 715 drives the third screw rod 714 to rotate through the third motor 713, and the lateral sliding block 715 can slide in the lateral sliding rail 712.

When in use, as shown in fig. 1 to 15, a plurality of wires 9 sequentially pass through the roller shaft 22243 and the compacting block 22252 on the wire conveying mechanism 2, the front ends of the wires 9 extend out of the compacting block 22252, and the piston rod of the compacting cylinder 22251 descends to drive the compacting block 22252 to compact the wires 9; the second motor 2213 in the linear driving device 221 drives the second screw rod 2211 to rotate, so that the conveying plate 222 approaches to the wire pulling mechanism 6, the wire pulling clamping jaw 62 stretches out under the drive of the wire pulling cylinder 61 and passes through the space between the upper cutter set 351 and the lower cutter set 361 to clamp the wire 9, the compressing block 22252 is loosened, then the wire pulling cylinder 61 resets to enable the wire pulling clamping jaw 62 to pull the wire 9 backwards, when the wire 9 is pulled, the roller 22243 rotates to straighten the bent wire 9, the compressing block 22252 compresses the wire 9 again, the upper cutter set 351 and the lower cutter set 361 are combined up and down, and the second motor 2213 reversely rotates to enable the conveying plate 222 to be pulled backwards, so that the rubber of the front section of the wire 9 is peeled; the first motor 216 drives the first screw rod 213 to rotate, so that the conveying seat 22 slides to one side of the first terminal crimping die 4 along with the side sliding block 212, then the second motor 2213 rotates to drive the wire 9 on the conveying plate 222 to move to the working area of the first terminal crimping die 4, the crimping process is completed, and after the first terminal crimping process is completed, the second motor 2213 and the first motor 216 rotate in opposite directions in sequence, so that the conveying seat 22 returns to a position opposite to the cutting peeling mechanism 3;

as shown in fig. 16, after the first terminal is crimped, the wire 9 is clamped by the pull wire clamping jaw 62 and pulled back, the transfer clamping jaw 52 of the middle rotating mechanism 5 extends to clamp and fix the wire 9, the upper cutter set 351 is combined with the lower cutter set 361 to cut up and down, the pull wire clamping jaw 62 is loosened and reset, the rubber at one end of the non-crimped terminal of the wire 9 is pulled back by the transfer clamping jaw 52 to peel off, the pneumatic overturning clamping head 72 is driven by the translation mechanism 71 to approach the transfer clamping head, a gap is reserved for the pneumatic overturning clamping head 72 due to the fact that the pull wire clamping head is retracted and reset, the pneumatic overturning clamping head 72 can be used for connecting the wire 9 on the transfer clamping head and moving a small distance to the second terminal crimping die 8 through the translation mechanism 71, then the pneumatic overturning clamping head 72 clamps the wire 9 and then overturns 180 degrees, the wire 9 rapidly reaches the working area of the second terminal crimping die 8 and is crimped, and the crimping process of the double-ended terminal is completed.

The above is merely an embodiment of the present utility model, and the present utility model is not limited to the field of the present embodiment, but the specific structure and characteristics of the present utility model are not described in detail. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (9)

1. Double-end terminal upset press-connection machine, including quick-witted case and the defeated line mechanism, tailor peeling mechanism, act as go-between mechanism and transfer mechanism of setting on machine case, its characterized in that: the wire clamping overturning mechanism is also included; the wire conveying mechanism comprises a conveying seat and a side driving device for driving the conveying seat to linearly move laterally; the conveying seat comprises a conveying plate and a linear driving device for driving the conveying plate to move forwards and backwards, and the conveying plate is provided with a straightening device; the wire clamping turnover mechanism comprises a translation mechanism and a pneumatic turnover chuck, the wire clamping turnover mechanism is fixedly connected with the case, and the pneumatic turnover chuck is fixedly connected with the translation mechanism; the clamping head of the pneumatic overturning clamping head is L-shaped.

2. The double-ended terminal turn-over crimping machine according to claim 1, wherein: the side driving device comprises a side sliding rail fixed on the chassis, the side sliding rail is connected with a side sliding block in a sliding manner, a first screw rod is connected with the middle of the side sliding block in a threaded manner, two ends of the first screw rod are respectively connected with a first motor and a first positioning seat, the first motor is fixedly connected with the first screw rod, the first positioning seat is rotationally connected with the first screw rod, the first motor and the first positioning seat are fixed on the chassis, and a supporting plate is fixedly connected with the upper portion of the side sliding block.

3. The double-ended terminal turn-over crimping machine according to claim 2, wherein: the linear driving device comprises a second screw rod, a second motor and a second positioning seat, wherein the second motor and the second positioning seat are fixed on the supporting plate, the second motor and the second positioning seat are oppositely arranged, the second screw rod is fixedly connected with the second motor, the second positioning seat is rotationally connected with the second motor, and the second screw rod is in threaded connection with the conveying plate.

4. The double-ended terminal turn-over crimping machine of claim 3, wherein: the conveying plate comprises a sliding rod, a first protrusion, a second protrusion and a pressing mechanism, wherein the first protrusion and the second protrusion are fixedly connected below the conveying plate, the sliding rod penetrates through a second positioning seat and is in sliding connection with the second positioning seat, two ends of the sliding rod are respectively fixedly connected with the first protrusion and the second protrusion, the first protrusion is in threaded connection with a second screw rod, the pressing mechanism is fixedly connected with the pressing mechanism, the pressing mechanism comprises a pressing cylinder and a pressing block, the pressing cylinder is fixed in front of the second protrusion, the pressing block is fixedly connected with a piston rod of the pressing cylinder, and the pressing block is located above the conveying plate.

5. The double-ended terminal turn-over crimping machine of claim 4, wherein: the straightening device comprises a fixing plate, a roll shaft positioning seat and a roll shaft, wherein the fixing plate is fixed on the conveying plate, the roll shaft positioning seat is fixed on the fixing plate, the roll shaft is connected to the side face of the roll shaft positioning seat through a screw, and the roll shaft can rotate around the polish rod face of the screw.

6. The double-ended terminal turn-over crimping machine of claim 5, wherein: the translation mechanism comprises a vertical plate, a transverse sliding rail, a third motor, a third screw rod and a transverse sliding block, wherein the vertical plate is fixed on a chassis, the transverse sliding rail is perpendicular to the vertical plate, the direction of the transverse sliding rail is fixed on the chassis wall close to the upper end of the vertical plate, one end of the transverse sliding rail, which is far away from the vertical plate, is fixedly connected with the third motor, the third motor is fixedly connected with one end of the third screw rod, the other end of the third screw rod is rotationally connected with the vertical plate, an L-shaped transverse sliding block is arranged between the third motor and the vertical plate, the short arm end of the transverse sliding block is in sliding connection with the transverse sliding rail and is in threaded connection with the third screw rod, and the long arm end of the transverse sliding block is fixedly connected with a pneumatic overturning chuck.

7. The double-ended terminal turn-over crimping machine of claim 6, wherein: the cutting peeling mechanism comprises a vertical sliding rail, an upper cutter seat, a lower cutter seat, a bidirectional screw rod and a vertical motor, wherein the vertical sliding rail is fixedly connected with a protrusion, the upper end of the bidirectional screw rod is rotationally connected with the protrusion, the lower end of the bidirectional screw rod is fixedly connected with the vertical motor, the upper cutter seat and the lower cutter seat are both in sliding connection with the vertical sliding rail, the upper cutter seat and the lower cutter seat are positioned between the protrusion and the vertical motor and are in threaded connection with the bidirectional screw rod, the upper cutter seat and the lower cutter seat are respectively fixedly connected with an upper cutter set and a lower cutter set, and the cutting edges of the upper cutter set and the lower cutter set are oppositely arranged.

8. The double-ended terminal turn-over crimping machine of claim 7, wherein: the wire pulling mechanism is arranged opposite to the wire conveying mechanism and is positioned between the transfer mechanism and the wire clamping turnover mechanism, the wire pulling mechanism comprises a cylinder and a wire pulling clamping jaw fixedly connected with a cylinder piston rod, and the transfer mechanism comprises a cylinder and a transfer clamping jaw fixedly connected with the cylinder piston rod.

9. The double-ended terminal turn-over crimping machine of claim 8, wherein: the first terminal crimping die and the second terminal crimping die are arranged on the chassis; the first terminal crimping die and the second terminal crimping die are respectively arranged on two sides of the cutting peeling mechanism, and the second terminal crimping die is arranged on the same side of the wire clamping turnover mechanism.