CN215614729U - Wire shearing device of winding machine - Google Patents

Abstract

The utility model relates to a coiling machine thread trimming device relates to the technical field of coiling machine, the test platform comprises a support, sliding connection has movable blade holder on the frame, be equipped with the thread trimming sword on moving the blade holder, be equipped with the blade on the thread trimming sword, be equipped with the fender blade holder on the frame, be equipped with the line ball board on moving the blade holder, it compresses tightly the enameled wire in the subassembly that compresses tightly on keeping off the blade holder to move to be equipped with the drive line ball board on the blade holder. The pressing assembly drives the pressing plate to press the enameled wire on the cutter blocking seat, and the enameled wire is fixed. The movable cutter holder slides to drive the wire shearing cutter to slide towards the cutter blocking holder, and the wire shearing cutter and the cutter blocking holder are matched to cut off the enameled wire, so that the wire shearing work of the enameled wire is completed. The fixing stability of the enameled wire is improved, and the possibility that the enameled wire is difficult to cut due to infirm fixation of the enameled wire is reduced.

Description

Wire shearing device of winding machine

Technical Field

The application relates to the technical field of winding machines, in particular to a wire shearing device of a winding machine.

Background

In the manufacturing process of the motor coil, a winding machine is required. The winding machine is a machine for winding a linear object on a specific workpiece, in the motor industry, the winding machine winds an enameled wire on a motor stator, then a wire cutter is utilized to cut off an enameled wire lead of an inductance coil, and finally the processing and manufacturing of the inductance coil are finished.

In view of the above-mentioned related art, the inventors consider that when the enamel wire is thin, the enamel wire is not easily fixed, and the enamel wire is easily slid at the time of cutting the wire to cause the enamel wire to be hardly cut.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the enameled wire is difficult to be cut off by fixed wire cutter that leads to the enameled wire, this application provides a coiling machine wire cutting device.

The application provides a coiling machine thread trimming device adopts following technical scheme:

the utility model provides a coiling machine thread trimming device, includes the frame, sliding connection has the movable cutter seat on the frame, be equipped with the thread trimmer on the movable cutter seat, be equipped with the blade on the thread trimmer, be equipped with the fender blade holder on the frame, be equipped with the line ball board on the movable cutter seat, be equipped with the drive line ball board on the movable cutter seat and compress tightly the enameled wire in keeping off the compressing tightly subassembly on the blade holder.

Through adopting above-mentioned technical scheme, compress tightly subassembly drive line ball board and compress tightly the enameled wire on keeping off the blade holder, fix the enameled wire. The movable cutter holder slides to drive the wire shearing cutter to slide towards the cutter blocking holder, and the wire shearing cutter and the cutter blocking holder are matched to cut off the enameled wire, so that the wire shearing work of the enameled wire is completed. The fixing stability of the enameled wire is improved, and the possibility that the enameled wire is difficult to cut due to infirm fixation of the enameled wire is reduced.

Preferably, the line ball board with move the knife rest sliding connection, compress tightly the subassembly and include pressure spring and slider, move and be equipped with the guide block on the knife rest, slider and guide block sliding connection, line ball board and slider fixed connection, the one end and the slider fixed connection of pressure spring, the other end with move knife rest fixed connection.

Through adopting above-mentioned technical scheme, slider and guide block sliding connection exist the relative slip between line ball board and the thread trimmer for when the line ball board compresses tightly the enameled wire, the thread trimmer can continue to slide towards the fender blade holder direction, and then improves the thread trimming efficiency of thread trimmer. The tension plate is driven by the elasticity of the compression spring to abut against the cutter blocking seat, so that the possibility of rigid connection between the tension plate and the cutter blocking seat can be reduced, and the risk of crushing the enameled wire is reduced; on the other hand, the elasticity of pressure spring makes the line ball board when the thread trimmer cutter slides towards the fender blade holder direction, remains throughout with the butt that keeps off the blade holder, improves the fixed stability to the enameled wire betterly.

Preferably, move and be equipped with splint and guide block on the knife base, guide block and splint fixed connection, the guide block is kept away from one side of splint and is propped with the thread trimmer sword, the guide block passes through locking bolt fixed connection with moving the knife base.

By adopting the technical scheme, the clamping plate is fixedly connected with the guide block, the guide block is fixedly connected with the movable cutter base, and the guide block clamps the thread trimmer, so that the clamping plate, the guide block, the thread trimmer and the movable cutter base form a stable fixing system, the fixing stability of the thread trimmer is improved, the possibility of shaking of the thread trimmer is reduced, and the thread trimming precision of the thread trimmer is improved better.

Preferably, one end of the line pressing plate, which faces the cutter blocking seat, is provided with friction increasing grains.

Through adopting above-mentioned technical scheme, increase the frictional force that the line can increase enameled wire and line ball board, and then reduce the enameled wire and appear the relative slip's possibility between line ball board and fender blade holder, further improve the fixed stability to the enameled wire.

Preferably, the cutting edge is obliquely arranged, a knife limit groove for inserting the cutting edge is formed in the knife stopper seat, and the side face of the knife limit groove is aligned with the cutting edge.

By adopting the technical scheme, the cutting edge is obliquely arranged, and the side surface of the knife limit groove is aligned with the cutting edge, so that the cutting edge can be conveniently inserted into the knife limit groove, and the risk of edge curling caused by direct rigid contact between the cutting edge and the knife block seat is reduced; on the other hand, the cutting edge is convenient to be tangent with the side edge of the cutter limiting groove, the enameled wire is cut off through the cutting edge and the shearing force on the inner side of the cutter limiting groove, and the shearing efficiency of the enameled wire is further improved.

Preferably, the cutting edge comprises a first blade and a second blade, and the distance between one end of the first blade facing the second blade and the knife stopping seat is greater than the distance between one end of the first blade far away from the second blade and the knife stopping seat.

Through adopting above-mentioned technical scheme, the one end of first sword orientation second cutting edge is greater than the one end of first sword orientation second cutting edge and the distance that keeps off the blade holder with the one end of keeping off the blade holder for the blade promotes the enameled wire towards the gliding in-process in limit sword groove, and the enameled wire slides towards the second cutting edge along the length direction of first cutting edge, and then increases the area of contact of enameled wire and first cutting edge, further improves the shearing efficiency to the enameled wire.

Preferably, fixedly connected with clamp plate on the frame, keep off blade holder and frame sliding connection, be equipped with the guide post on the fender blade holder, be equipped with the guiding hole that is used for supplying the guide post to wear to establish on the clamp plate.

Through adopting above-mentioned technical scheme, keeping off the blade holder and sliding towards the clamp plate direction, the guide post is worn to locate in the guiding hole for guide post, clamp plate, fender blade holder and frame form a closed loop, and the enameled wire is worn to locate in the closed loop, reduces the possibility that the enameled wire breaks away from the closed loop. Keep off the blade holder and continue to slide towards the clamp plate direction to with the laminating of clamp plate, improve the fixed stability to the enameled wire, be convenient for accomplish the wire winding work of enameled wire.

Preferably, one end of the knife blocking seat facing the clamping plate is provided with a buffer pad.

By adopting the technical scheme, the cushion pad has elasticity, so that the possibility that the enameled wire is damaged by the cutter blocking seat is reduced; on the other hand, the blotter takes place deformation easily, increases the area of contact of enameled wire and blotter, and then increases the frictional force of blotter and enameled wire, further improves the fixed stability to the enameled wire.

Preferably, the base is rotatably connected with a thread take-up support, one end, far away from the rotation axis, of the thread take-up support is located below the enameled wire, and the base is provided with a thread take-up cylinder for driving the thread take-up support to rotate.

By adopting the technical scheme, the thread picking cylinder drives the thread picking support to rotate, and the thread picking support picks the enameled wire from the gap between the cutter blocking seat and the thread clamping plate into the gap between the thread pressing plate and the cutter blocking seat, so that the subsequent cutting work of the enameled wire can be completed conveniently.

In summary, the present application includes at least one of the following beneficial technical effects:

the pressing assembly drives the pressing plate to press the enameled wire on the cutter blocking seat, and the enameled wire is fixed. The wire cutting knife is matched with the cutter blocking seat to cut off the enameled wire, and the wire cutting work of the enameled wire is completed. The fixing stability of the enameled wire is improved, and the possibility that the enameled wire is difficult to cut due to infirm fixation of the enameled wire is reduced;

the tension plate is driven by the elasticity of the compression spring to abut against the cutter blocking seat, so that the possibility of rigid connection between the tension plate and the cutter blocking seat can be reduced, and the risk of crushing the enameled wire is reduced; on the other hand, the elasticity of the pressure spring enables the wire pressing plate to always keep the abutting connection with the cutter blocking seat when the wire shearing cutter slides towards the direction of the cutter blocking seat, so that the fixing stability of the enameled wire is improved better;

the distance between one end of the first blade facing the second blade and the cutter blocking seat is greater than the distance between one end of the first blade facing the second blade and the cutter blocking seat, so that the cutting edge pushes the enameled wire to slide towards the cutter limiting groove, the enameled wire slides towards the second blade along the length direction of the first blade, the contact area of the enameled wire and the first blade is further increased, and the shearing efficiency of the enameled wire is further improved.

Drawings

Fig. 1 is a schematic structural diagram of the whole device for trimming threads in the embodiment of the present application.

Fig. 2 is a sectional view of an embodiment of the present application for embodying a tool holder.

Fig. 3 is an exploded view of a stopper seat used in the embodiment of the present application.

Fig. 4 is an exploded view of an embodiment of the present application for embodying a hold-down assembly.

Description of reference numerals: 1. a machine base; 2. a movable cutter seat; 21. a thread cutter; 211. cutting edges; 2111. a first blade; 2112. a second blade; 22. a wire pressing plate; 221. increasing friction lines; 23. a guide block; 24. a splint; 25. locking the bolt; 26. a first step body; 27. a second step body; 28. a third step body; 281. a first positioning hole; 3. a cutter blocking seat; 31. a first baffle plate; 311. a knife limiting groove; 312. a guide post; 313. a guide hole; 314. a cushion pad; 315. a first guide groove; 316. a second guide groove; 32. a first side plate; 4. a compression assembly; 41. a pressure spring; 42. a slider; 421. a third guide groove; 5. a wire clamping plate; 6. a thread take-up bracket; 61. a thread take-up cylinder; 62. a first thread take-up lever; 63. a second thread take-up lever; 64. a rotating shaft; 7. a moving assembly; 71. a base; 711. a driving cylinder; 712. trimming a cylinder block; 7121. a wire pressing cylinder; 7122. connecting blocks; 7123. a scissors connecting rod; 7124. a U-shaped plate; 7125. a trimming cylinder; 713. a tool holder mount; 7131. a first base plate; 7132. a first vertical plate; 7133. a fastening plate; 7134. a cover plate; 7135. a guide groove; 72. a fixed seat; 721. a guide bar; 722. a first motor mount; 723. a first drive motor; 724. a longitudinal screw rod; 725. a longitudinal sliding plate; 726. a second motor mount; 727. a second drive motor; 728. a transverse screw rod; 729. and a transverse sliding plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a wire cutting device of a winding machine. Referring to fig. 1, a wire cutting device of a winding machine comprises a moving assembly 7, wherein a base 1 is installed on the moving assembly 7, the moving assembly 7 can move in the x, y and z directions of the base 1, and the moving stability of the base 1 is improved. The base 1 is connected with a movable cutter seat 2 in a sliding way, and the movable cutter seat 2 is provided with a thread trimmer 21. Install on the frame 1 and keep off blade holder 3, move blade holder 2 and install line ball board 22 towards the one end that keeps off blade holder 3, move and install on the blade holder 2 and compress tightly subassembly 4, compress tightly subassembly 4 and be used for driving line ball board 22 and compress tightly the enameled wire on keeping off blade holder 3. When the enameled wire is required to be cut off, the pressing component 4 drives the wire pressing plate 22 to press the enameled wire on the cutter blocking seat 3, and the fixing stability of the enameled wire is improved. The movable cutter seat 2 slides to drive the wire cutter 21 to slide towards the cutter blocking seat 3, and the wire cutter 21 cuts off the enameled wire.

Referring to fig. 1, the moving assembly 7 includes a base 71 and a fixing seat 72, the base 71 is located right below the fixing seat 72, a driving cylinder 711 is fixedly connected to the base 71 through a bolt, and an output end of the driving cylinder 711 is welded to the fixing seat 72. In order to reduce the possibility of action shaking of the fixing seat 72, guide rods 721 are welded and fixed on one side of the fixing seat 72 facing the base 71, four guide rods 721 are arranged along four corners of the base 71, and one end of each guide rod 721 far away from the fixing seat 72 penetrates out of the base 71. The fixing seat 72 is welded with a first motor seat 722, the first motor seat 722 is fixedly connected with a first driving motor 723 through a bolt, an output shaft of the first driving motor 723 is connected with a longitudinal screw rod 724 through a coupler, the fixing seat 72 is connected with a longitudinal sliding plate 725 in a sliding mode, and the longitudinal sliding plate 725 is in threaded connection with the longitudinal screw rod 724. The fixed seat 72 is welded with a second motor base 726, the second motor base 726 is fixedly connected with a second driving motor 727 through a bolt, an output shaft of the second driving motor 727 is connected with a transverse screw rod 728 through a coupler, and an axis of the transverse screw rod 728 is perpendicular to an axis of the longitudinal screw rod 724. The longitudinal sliding plate 725 is connected with a transverse sliding plate 729 in a sliding mode, the transverse sliding plate 729 is in threaded connection with a transverse screw 728, and the machine base 1 is fixedly connected with the transverse sliding plate 729 through bolts. The moving assembly 7 can control the transverse, longitudinal and vertical movement of the machine base 1, and is convenient to operate and flexible to move.

Referring to fig. 2, a trimming cylinder block 712 is fixedly connected to the base 71 by bolts, and the trimming cylinder block 712 is perpendicular to the frame 1. Through bolt fixedly connected with knife rest seat 713 on trimming cylinder seat 712, knife rest seat 713 includes first bottom plate 7131, and first bottom plate 7131 has two first risers 7132 along the both sides welding of self width direction, two first risers 7132 parallel arrangement, and first riser 7132 sets up with first bottom plate 7131 is perpendicular, and the length of first riser 7132 is less than the length of first bottom plate 7131. First riser 7132 has mounting plate 7133 towards the one end welding of trimming cylinder block 712, and mounting plate 7133 sets up with first riser 7132 is perpendicular, and mounting plate 7133 passes through bolt and trimming cylinder block 712 fixed connection. The two first vertical plates 7132 are fixedly connected with the same cover plate 7134 through bolts at the side far away from the first bottom plate 7131. One end, far away from the trimming cylinder seat 712, of the first base plate 7131 is fixedly connected with a clamp plate 5 through bolts, and the clamp plate 5 is perpendicular to the first base plate 7131 to form an L shape.

Referring to fig. 1 and 2, a wire pressing cylinder 7121 is fixedly connected to the wire cutting cylinder block 712 through a bolt, an output end of the wire pressing cylinder 7121 is fixedly connected to a connecting block 7122 through a bolt, a scissors connecting rod 7123 is fixedly connected to the connecting block 7122 through a bolt, and the scissors connecting rod 7123 is attached to the bottom of the first bottom plate 7131. In order to facilitate the scissors connecting rod 7123 to slide along the length direction of the first bottom plate 7131, the lower ends of the two first vertical plates 7132 are fixedly connected with the same U-shaped plate 7124 through bolts, the opening width of the U-shaped plate 7124 is equal to the width of the scissors connecting rod 7123, and the scissors connecting rod 7123 can slide conveniently.

Referring to fig. 3, the knife blocking seat 3 is installed at one end of the scissors connecting rod 7123 far away from the connecting block 7122, the knife blocking seat 3 includes a first baffle 31 and two first side plates 32, the two first side plates 32 are perpendicularly welded to the first baffle 31, and the distance between the two first side plates 32 is equal to the width of the scissors connecting rod 7123. The two first side plates 32 are fixed to the scissors connecting rod 7123 by bolts. The first baffle 31 is provided with a first guide groove 315 and a second guide groove 316, the first guide groove 315 is a closed-loop groove, and the first guide groove 315 is sleeved on the first bottom plate 7131, so that the first baffle 31 can slide along the first bottom plate 7131, and the possibility of shaking of the first baffle 31 can be reduced. The second guide groove 316 is located below the first guide groove 315, the second guide groove 316 is an annular opening groove, and the second guide groove 316 is slidably connected to the scissors connecting rod 7123. One end of the first baffle 31 facing the clamp 5 is fixedly connected with a guide column 312 through a bolt, and a guide hole 313 for the guide column 312 to penetrate is formed in the clamp 5.

During operation, the output drive scissors connecting rod 7123 of line ball cylinder 7121 slides towards the one end of keeping away from trimming cylinder seat 712, drives first baffle 31 and slides towards clamp 5 direction, and guide post 312 inserts in guiding hole 313 for guide post 312, clamp 5, first baffle 31 and tool rest seat 713 form a closed loop, and the enameled wire is worn to locate in the closed loop, carries out coarse positioning to the enameled wire. First baffle 31 continues to slide towards 5 directions of splint for first baffle 31 and 5 laminating of splint compress tightly fixed the enameled wire, and the coiling machine of being convenient for carries out wire winding work.

Referring to fig. 3, in order to improve the compression capacity of the enameled wire, a buffer 314 is glued to one side of the first baffle 31 facing the clamping plate 5, and the buffer 314 is made of cow leather and has elasticity. On one hand, the possibility that the enameled wire is crushed due to rigid contact between the first baffle plate 31 and the clamping plate 5 can be reduced; on the other hand, the friction force between the enameled wire and the enameled wire can be increased, and the compaction degree of the enameled wire is better improved.

Referring to fig. 2, a thread take-up cylinder 61 is mounted on a side wall of the thread cutting cylinder seat 712, an output end of the thread take-up cylinder 61 is rotatably connected with a thread take-up support 6, the thread take-up support 6 includes two first thread take-up levers 62 which are arranged in parallel, one end of the first thread take-up lever 62, which is far away from the thread take-up cylinder 61, is welded with a same second thread take-up lever 63, the second thread take-up lever 63 is perpendicular to the first thread take-up lever 62, and the second thread take-up lever 63 is located below an enameled wire. One end of each of the two first thread take-up levers 62 far away from the second thread take-up lever 63 is fixedly connected with the same rotating shaft 64, and the rotating shaft 64 is rotatably connected with the output end of the thread take-up cylinder 61. The first thread take-up lever 62 is in a 'hook-butt' shape, and the first thread take-up lever 62 is rotatably connected with the first vertical plate 7132.

During operation, the output end of the wire pressing cylinder 7121 contracts to drive the first baffle 31 to slide towards the direction far away from the wire clamping plate 5, the guide post 312 is separated from the guide hole 313, the closed loop is opened, the enameled wire can be separated from the closed loop, the output end of the wire picking cylinder 61 contracts to drive the first take-up lever 62 to rotate, the first take-up lever 62 drives the second take-up lever 63 to lift the enameled wire from the closed loop, and the enameled wire slides towards the movable cutter holder 2 along the first take-up lever 62. When the enameled wire slides to the clearance top of thread tension plate 5 and first baffle 31, the output of take-up cylinder 61 stretches out for first take-up lever 62 gyration, the enameled wire loses and falls into in the line ball board 22 and the first baffle 31 clearance under the action of gravity behind first take-up lever 62's the support, is convenient for accomplish the transfer of enameled wire, convenient operation.

Referring to fig. 2 and 4, a thread trimming cylinder 7125 is fixedly connected to the thread trimming cylinder block 712 through bolts, an output end of the thread trimming cylinder 7125 is welded to the movable blade holder 2, and the movable blade holder 2 is slidably connected to the blade holder 713. The movable tool apron 2 is provided with a first step 26, a second step 27 and a third step 28 in sequence towards one end of the first baffle 31, and the first step 26, the second step 27 and the third step 28 are away from the first baffle 31 in sequence along the width direction of the movable tool apron 2. The trimming knife 21 is installed between the first step body 26 and the second step body 27, a guide groove 7135 is formed in the first bottom plate 7131, the width of the guide groove 7135 is equal to that of the trimming knife 21, and the guide groove 7135 is arranged in the length direction of the first bottom plate 7131.

Referring to fig. 3 and 4, a cutting edge 211 is formed at one end of the thread trimmer 21 facing the first blocking plate 31, and the cutting edge 211 is obliquely disposed, so that the length of the thread trimmer 21 facing the first step body 26 is greater than the length of the thread trimmer 21 away from the first step body 26. The cutting edge 211 comprises a first cutting edge 2111 and a second cutting edge 2112, wherein the end of the first cutting edge 2111 facing the second cutting edge 2112 and the end of the second cutting edge 2112 facing the first cutting edge 2111 are gradually contracted to form a < ". One end of the thread trimmer 21 away from the cutting edge 211 abuts against one side of the second step body 27 facing the first baffle 31. The guide block 23 is installed on one side, away from the first step body 26, of the thread trimmer 21, one end, away from the thread trimmer 21, of the guide block 23 is welded with the clamping plate 24, two locking bolts 25 are arranged on the first step body 26, the thread trimmer 21 and the guide block 23 in a penetrating mode, the locking bolts 25 are in threaded connection with the guide block 23, and one end face, away from the guide block 23, of each locking bolt 25 is abutted to the first step body 26. One end of the first baffle 31 facing the movable knife holder 2 is provided with a knife limiting groove 311, and the width of the knife limiting groove 311 is equal to that of the thread trimmer 21. The wire cutter 21 can be inserted into the knife-limiting slot 311, and the enameled wire is cut by the cutting edge 211 tangent to the side of the knife-limiting slot 311.

Referring to fig. 4, in order to press the enameled wire before the wire shearing knife 21 shears the enameled wire, the pressing assembly 4 includes a pressing spring 41 and a sliding block 42, two first positioning holes 281 are opened at one end of the third step body 28 facing the guide block 23, the number of the pressing springs 41 is two, and one end of the pressing spring 41 is located in the first positioning hole 281 and is welded and fixed with the bottom wall of the first positioning hole 281. The sliding block 42 is perpendicular to the wire pressing plate 22, and the sliding block 42 and the wire pressing plate 22 are integrally formed. The third guide groove 421 is formed in the slide block 42, the height of the third guide groove 421 is equal to the height of the guide block 23, the width of the third guide groove 421 is larger than the width of the guide block 23, the guide block 23 plays a role in guiding the sliding of the slide block 42, and the possibility of shaking of the slide block 42 is reduced. Two second positioning holes are formed in one side, facing the third step body 28, of the slide block 42, the second positioning holes are arranged opposite to the first positioning holes 281, and one ends, far away from the first positioning holes 281, of the pressure springs 41 are located in the second positioning holes and are welded and fixed with the bottom walls of the second positioning holes. In order to improve the fixing stability of the line pressing plate 22 and the first baffle 31, the line pressing plate 22 is provided with a friction increasing texture 221 on one side facing the first baffle 31, and the friction increasing texture 221 can increase the friction resistance between the line pressing plate 22 and the enameled wire.

During operation, the output end of the trimming cylinder 7125 drives the movable cutter holder 2 to slide towards the direction away from the trimming cylinder holder 712, the wire pressing plate 22 is firstly abutted against one side of the movable cutter holder 2 facing the first baffle 31, and the elastic force of the pressure spring 41 drives the wire pressing plate 22 to press the enameled wire on the first baffle 31. Meanwhile, the wire shearing knife 21 continues to slide towards the direction of the knife limit slot 311, the cutting edge 211 is in contact with the enameled wire, and the enameled wire is sheared by utilizing the tangency of the cutting edge 211 and the side wall of the knife limit slot 311, so that the operation is convenient.

The implementation principle of the wire shearing device of the winding machine in the embodiment of the application is as follows: during operation, the output shaft of the first driving motor 723 rotates to drive the longitudinal screw rod 724 to rotate, the longitudinal screw rod 724 further drives the base 1 to slide towards the enameled wire, and the output end of the driving cylinder 711 drives the fixing seat 72 to vertically slide upwards, so that the enameled wire falls between the first baffle 31 and the clamp plate 5. The output of line ball cylinder 7121 body stretches out, drives first baffle 31 and slides towards the clamp 5 direction, and guide post 312 is worn to locate in guiding hole 313, and first baffle 31 compresses tightly the enameled wire on clamp 5, and the output that drives actuating cylinder 711 drives the vertical lapse of fixing base 72 for clamp 5 is less than the coiling machine, and the coiling machine begins the wire winding. After winding for two circles, the output end of the wire pressing cylinder 7121 contracts to drive the first baffle 31 to slide towards the direction far away from the clamp 5, the guide column 312 is separated from the guide hole 313, and the winding machine continues to wind wires.

After the winding is completed, the output end of the driving cylinder 711 drives the fixing seat 72 to vertically slide upwards, so that the enameled wire falls between the first baffle 31 and the wire clamping plate 5. At this time, the output end of the thread take-up cylinder 61 contracts to drive the first thread take-up lever 62 to rotate, and the first thread take-up lever 62 drives the second thread take-up lever 63 to slide the enameled wire from between the first baffle 31 and the tension plate 5 to between the tension plate 22 and the first baffle 31. Then, the output end of the thread take-up cylinder 61 extends out to drive the first thread take-up lever 62 to rotate, and the first thread take-up lever 62 is separated from the enameled wire.

Then the output end of the trimming cylinder 7125 stretches out, the movable cutter holder 2 is driven to slide towards the first baffle 31, the wire pressing plate 22 is abutted against one side of the movable cutter holder 2 towards the first baffle 31, and the enameled wire is pressed onto the first baffle 31 by the elastic force of the pressure spring 41, which drives the wire pressing plate 22. Meanwhile, the trimming blade 21 continues to slide toward the knife-limiting slot 311, the cutting edge 211 contacts the enameled wire, and the enameled wire is trimmed by the tangency between the cutting edge 211 and the side wall of the knife-limiting slot 311. Finally, the cutting work of the enameled wire is finished, the operation is convenient, and the working efficiency is high.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a coiling machine thread trimming device, includes frame (1), sliding connection has movable blade holder (2) on frame (1), be equipped with thread trimmer (21) on movable blade holder (2), be equipped with blade (211) on thread trimmer (21), its characterized in that: the enameled wire pressing machine is characterized in that a cutter blocking seat (3) is arranged on the machine base (1), a wire pressing plate (22) is arranged on the movable cutter seat (2), and a pressing assembly (4) which drives the wire pressing plate (22) to press an enameled wire on the cutter blocking seat (3) is arranged on the movable cutter seat (2).

2. The wire cutting device of the winding machine according to claim 1, wherein: line ball board (22) with move the knife rest (2) and slide and be connected, compress tightly subassembly (4) and include pressure spring (41) and slider (42), it is equipped with guide block (23) on knife rest (2) to move, slider (42) and guide block (23) sliding connection, line ball board (22) and slider (42) fixed connection, the one end and slider (42) fixed connection of pressure spring (41), the other end and move knife rest (2) fixed connection.

3. The wire cutting device of the winding machine according to claim 2, wherein: move and be equipped with splint (24) on blade holder (2), guide block (23) and splint (24) fixed connection, one side and trimming sword (21) butt that splint (24) were kept away from in guide block (23), guide block (23) pass through locking bolt (25) fixed connection with moving blade holder (2).

4. The wire cutting device of the winding machine according to claim 1, wherein: and friction increasing grains (221) are arranged at one end, facing the cutter blocking seat (3), of the line pressing plate (22).

5. The wire cutting device of the winding machine according to claim 1, wherein: the cutting edge (211) is obliquely arranged, a cutter limiting groove (311) for inserting the cutting edge (211) is formed in the cutter blocking seat (3), and the side face of the cutter limiting groove (311) is aligned with the cutting edge (211).

6. The wire cutting device of the wire winding machine according to claim 5, wherein: the cutting edge (211) comprises a first cutting edge (2111) and a second cutting edge (2112), and the distance between one end, facing the second cutting edge (2112), of the first cutting edge (2111) and the cutter blocking seat (3) is larger than the distance between one end, away from the second cutting edge (2112), of the first cutting edge (2111) and the cutter blocking seat (3).

7. The wire cutting device of the winding machine according to claim 1, wherein: fixedly connected with clamp plate (5) on frame (1), keep off blade holder (3) and frame (1) sliding connection, be equipped with guide post (312) on keeping off blade holder (3), be equipped with guiding hole (313) that are used for supplying guide post (312) to wear to establish on clamp plate (5).

8. The wire cutting device of the wire winding machine according to claim 7, wherein: and a buffer cushion (314) is arranged at one end of the cutter blocking seat (3) facing the clamp plate (5).

9. The wire cutting device of the winding machine according to claim 1, wherein: the automatic wire picking machine is characterized in that a wire picking support (6) is rotatably connected to the machine base (1), one end, away from a rotating axis, of the wire picking support (6) is located below an enameled wire, and a wire picking cylinder (61) used for driving the wire picking support (6) to rotate is arranged on the machine base (1).

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