CN220426668U - Copper wire cutting device - Google Patents

Abstract

The utility model relates to the technical field of copper wire machining of new energy motors, in particular to a copper wire cutting device, which comprises an upper die holder and a lower die holder, wherein the upper die holder is arranged in a lifting manner through a driving mechanism, a cutter for cutting a copper wire is arranged on the upper die holder, a first chamfer part is sleeved and fixed on the peripheral side wall of the cutter, a first conical block is symmetrically arranged on the inner wall of the first chamfer part, a second chamfer part is fixedly arranged on the lower die holder, a second conical block is symmetrically arranged on the inner wall of the second chamfer part, the copper wire is positioned between the first conical block and the second conical block, a first deburring inclined surface and a first chamfering inclined surface are arranged on one surface of the first conical block, which is close to the copper wire, and a second deburring inclined surface and a second chamfering inclined surface are arranged on one surface of the second conical block, which is close to the copper wire. This application has the effect that can get rid of burr on the copper line periphery side, improve copper line end and follow-up mechanism complex smoothness nature when cutting off the copper line.

Description

Copper wire cutting device

Technical Field

The utility model relates to the technical field of copper wire processing of new energy motors, in particular to a copper wire cutting device.

Background

In the process of machining the motor stator, the flat copper wire coiled on the reel needs to be drawn out, then the copper wire is machined into a polygonal structure matched with the motor stator, and then the machined copper wire is inserted into the motor stator. In the process of processing copper wires, the copper wires are straightened, paint is peeled off, then the copper wires are cut off and the ends are molded, and then flaring and twisting processing are carried out on the copper wires. And finally bending and stamping the copper wire into a final shape.

When the flat copper wire is cut off, a copper wire cutting device is usually required to be used, the copper wire cutting mechanism is disclosed as CN217643078U, the copper wire cutting mechanism consists of a punch rod, a die holder, a conical groove and a punch rod electric cylinder, the die holder is fixed on a machine table, a cylinder body of the punch rod electric cylinder is fixed above the die holder, a lifting block is fixed on a piston rod of the punch rod electric cylinder, a punch rod is fixed at the bottom of the lifting block, and the punch rod is provided with the conical groove. After the copper wire passes through the space between the punch rod and the die holder, the piston rod of the punch rod electric cylinder drives the punch rod to move downwards and penetrate into the through hole of the die holder, so that the copper wire can be broken by the punch rod. The taper groove can enable the copper wire to form a taper end to be matched with the subsequent flaring process.

Aiming at the related technology, when the flat copper wire is subjected to paint stripping operation, burrs are generated on the peripheral side edge of the copper wire, the copper wire cutting mechanism can only cut the copper wire, the burrs cannot be removed, the use of the copper wire is affected,

disclosure of Invention

In order to solve the above problems, the present application provides a copper wire cutting device.

The application provides a copper line cutting device adopts following technical scheme:

the copper wire cutting device comprises an upper die holder and a lower die holder, wherein a copper wire is positioned between the upper die holder and the lower die holder, the upper die holder is arranged in a lifting manner through a driving mechanism, a cutter for cutting the copper wire is arranged on the upper die holder, two conical grooves are symmetrically formed in the outer side wall of the cutter, the conical grooves are arranged along the length direction of the copper wire, the conical grooves penetrate through the two ends of the cutter in the height direction, a punching part is arranged between the two conical grooves, and the cutter can be lowered to the punching part to cut the copper wire;

the peripheral side wall of the cutter is sleeved and fixed with a first chamfer part, the first chamfer part is annular, first conical blocks matched with the conical grooves in shape are symmetrically arranged on the inner wall of the first chamfer part, and the first conical blocks penetrate into the corresponding conical grooves; the lower die holder is fixedly provided with a second chamfer part which is annular, the inner wall of the second chamfer part is symmetrically provided with second conical blocks which are matched with the conical grooves in shape, and the second conical blocks penetrate into the corresponding conical grooves; the copper wire is positioned between the first conical block and the second conical block, and the cutter can pass through the opening of the first chamfer piece and the opening of the second chamfer piece;

a first deburring inclined surface is arranged on one surface of the first conical block, which is close to the copper wire, and the first deburring inclined surface is arranged on two sides of the copper wire in the width direction; the second cone-shaped block is provided with a second deburring inclined surface on one surface close to the copper wire, the second deburring inclined surface is arranged on two sides of the width direction of the copper wire, when the cutter descends to the punching part to cut off the copper wire, the first deburring inclined surface can cut burrs on two sides of the upper surface of the copper wire, and the second deburring inclined surface can cut burrs on two sides of the lower surface of the copper wire.

Further, the one side that the first toper piece is close to the copper line is provided with first chamfer inclined plane, two the one end that first chamfer inclined plane is close to each other is inclined towards the direction that is close to the copper line, the one side that the second toper piece is close to the copper line is provided with the second chamfer inclined plane, two the one end that the second chamfer inclined plane is close to each other is inclined towards the direction that is close to the copper line, works as when the cutter descends to die-cut portion and cuts off the copper line, upper surface and the lower surface of copper line are penetrated respectively to first chamfer inclined plane and second chamfer inclined plane, and first chamfer inclined plane and second chamfer inclined plane cooperation die-cut portion make the toper end of copper line form the guide surface this moment.

Further, with the plane that the copper line is located as the interface, the cutter includes integrated into one piece's first block and second block, the length of first block is greater than the length of second block, the bottom of second block is provided with the direction inclined plane, when the cutter is located the position that does not begin to descend, the direction inclined plane is located the oblique top of copper line and is close to the copper line setting.

Further, a first limiting component for limiting the copper wire is arranged on the upper die holder, the first limiting component comprises two first limiting blocks, the two first limiting blocks are positioned on two sides of the cutter, the two first limiting blocks are arranged along the length direction of the copper wire, and one surface of the first limiting block, which is far away from the upper die holder, is abutted against the upper surface of the copper wire;

be provided with the spacing subassembly of second that is used for spacing copper line on the die holder, the spacing subassembly of second includes two second stoppers, two the second stopper is located the both sides of cutter, two the second stopper sets up along the length direction of copper line, the one side and the lower surface butt of copper line of die holder are kept away from to the second stopper.

Further, a first barrier strip is arranged on one surface of the first limiting block, which is close to the copper wire, and the first barrier strips are in butt joint with the copper wire, and the first barrier strips on the two first limiting blocks are positioned on different sides of the width direction of the copper wire; a second barrier strip is arranged on one surface of the second limiting block, which is close to the copper wire, and is in butt joint with the copper wire, and the second barrier strips on the two second limiting blocks are positioned on different sides of the width direction of the copper wire; the first stop bar on the first stop block and the second stop bar on the second stop block on the same side of the cutter are positioned on different sides of the width direction of the copper wire.

Further, actuating mechanism includes electric jar, connecting block, connecting plate and actuating spring, the piston rod and the connecting block of electric jar are connected, the connecting block is connected on the top surface of connecting plate, the bottom surface of connecting plate and the top surface of cutter are connected, offer the first logical groove of stepping down that supplies the cutter to pass on the top surface of upper die base, offer the second logical groove of stepping down that supplies the cutter to pass on the bottom surface of die holder, actuating spring is located between connecting plate and the upper die base, actuating spring's one end is connected with the bottom surface of connecting plate, actuating spring's the other end is connected with the top surface of upper die base.

Further, four driving springs are arranged, the four driving springs are respectively positioned at four corners of the connecting plate, support columns are arranged on the upper die base, one driving spring corresponds to one support column, and the driving springs are sleeved on the corresponding support column; one end of the support column, which is far away from the upper die holder, penetrates out of the connecting plate and is in sliding connection with the connecting plate, and a first through hole for the support column to slide is formed in the top surface of the connecting plate.

Further, the upper die holder comprises a first plate body and a second plate body which are in sliding connection, the first plate body is positioned above the second plate body, a guide column is arranged on the second plate body, one end, far away from the second plate body, of the guide column penetrates out of the first plate body and is in sliding connection with the first plate body, and a second through hole for the guide column to slide is formed in the top surface of the first plate body;

the novel die comprises a first die plate body and is characterized in that a reset spring is arranged in the second die plate body, an accommodating through groove for accommodating the reset spring is formed in one face, close to the first die plate body, of the second die plate body, the bottom end of the reset spring is connected with the top surface of the lower die base, and the top end of the reset spring penetrates out of the accommodating through groove and then is abutted to the bottom surface of the first die plate body.

Further, the mounting groove is formed in the bottom surface of the guide post, a limiting rod is fixedly mounted in the mounting groove, the top end of the limiting rod penetrates out of the first plate body, and the bottom end of the limiting rod extends to the bottom end of the lower die holder.

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

1. when the cutter descends to the punching part to cut the copper wire, the first deburring inclined surface can cut burrs on two sides of the upper surface of the copper wire, the second deburring inclined surface can cut burrs on two sides of the lower surface of the copper wire, and meanwhile, the first chamfering inclined surface and the second chamfering inclined surface are matched with the punching part to enable the conical end of the copper wire to form a guide surface, so that the cutting device can remove burrs on the peripheral side of the copper wire while cutting the copper wire, sharp edges of the copper wire are weakened, and the formed guide surface also improves the smoothness of the end of the copper wire cutting part and the matching of a follow-up mechanism;

2. the guiding inclined plane of the second block body on the cutter provides guiding limit for the copper wire to pass through between the upper die holder and the lower die holder, so that the copper wire can conveniently pass through between the upper die holder and the lower die holder;

3. the first spacing subassembly and the spacing subassembly cooperation of second use are spacing for the installation of copper line and are supported tightly, make the copper line be difficult for removing, have improved the copper line by the precision when cutting off and chamfering.

4. When the copper wire is required to be cut off, the electric cylinder is started to drive the connecting plate to descend, the upper die holder is driven to descend through the pressure transmitted by the driving spring, the cutter is driven to descend to cut off the copper wire, the compression on the copper wire is reduced by the elasticity of the driving spring, the adaptability and the buffering performance are improved, and the protection on the copper wire is improved; after the cutting operation is finished, the electric cylinder drives the connecting plate to ascend, the driving spring drives the first plate body to ascend and reset, and the reset spring further pushes the first plate body to ascend, so that the pressure of the upper die holder on the copper wire is rapidly reduced.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a copper wire cutting device according to an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view for showing the whole copper wire cutting apparatus in the embodiment of the present application.

Fig. 3 is a schematic diagram of an exploded structure for showing a first deburring bevel and a first chamfering bevel in an embodiment of the present application.

Fig. 4 is a schematic diagram of an exploded structure for showing a second deburring bevel and a second chamfering bevel in an embodiment of the present application.

Fig. 5 is a schematic view for illustrating a structure of a tool in an embodiment of the present application.

Fig. 6 is a schematic cross-sectional view for showing the return spring and the stopper rod in the embodiment of the present application.

Fig. 7 is a schematic diagram for showing the structure of the end of the copper wire after cutting in the embodiment of the present application.

Reference numerals illustrate: 1. an upper die holder; 11. a first abdicating through groove; 12. a first plate body; 13. a second plate body; 131. a receiving groove; 132. a guide post; 133. a positioning plate; 134. a limit rod; 135. a return spring; 136. a receiving through groove; 2. a lower die holder; 21. a second yielding through groove; 3. copper wire; 31. deburring surfaces; 32. a guide surface; 4. a driving mechanism; 41. a connecting block; 42. a connecting plate; 43. a drive spring; 44. a support column; 441. a limiting plate; 5. a cutter; 51. a conical groove; 52. a punching part; 53. a first block; 54. a second block; 541. a guide slope; 6. a first chamfer member; 61. a first tapered block; 611. a first deburring inclined surface; 612. a first chamfer bevel; 7. a second chamfer member; 71. a second tapered block; 711. a second deburring inclined surface; 712. a second chamfer bevel; 8. a first limit assembly; 81. a first limiting block; 811. a first barrier strip; 9. the second limiting component; 91. a second limiting block; 911. and a second barrier strip.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

The embodiment of the application discloses a copper wire cutting device.

Referring to fig. 1 and 2, the copper wire cutting device comprises an upper die holder 1 and a lower die holder 2, a copper wire 3 is located between the upper die holder 1 and the lower die holder 2, the upper die holder 1 is lifted and arranged through a driving mechanism 4, a cutter 5 for cutting the copper wire 3 is arranged on the upper die holder 1, two conical grooves 51 are symmetrically formed in the outer side wall of the cutter 5, the conical grooves 51 are arranged along the length direction of the copper wire 3, the conical grooves 51 penetrate through two ends of the cutter 5 in the height direction, a punching part 52 is arranged between the two conical grooves 51, and the cutter 5 can descend to the punching part 52 to cut the copper wire 3.

Referring to fig. 1-4, a first chamfer member 6 is sleeved and fixed on the peripheral side wall of the cutter 5, a first mounting through groove for mounting the first chamfer member 6 is formed in the top surface of the upper die holder 1, and the first chamfer member 6 is fixedly mounted in the first mounting through groove. The first chamfer member 6 is annular, and first conical blocks 61 matched with the shape of the conical grooves 51 are symmetrically arranged on the inner wall of the first chamfer member 6, and the first conical blocks 61 penetrate into the corresponding conical grooves 51. The lower die holder 2 is fixedly provided with a second chamfer part 7, the top surface of the lower die holder 2 is provided with a second installation through groove for installing the second chamfer part 7, and the second chamfer part 7 is fixedly installed in the second installation through groove. The second chamfer member 7 is annular, and second conical blocks 71 matched with the shape of the conical grooves 51 are symmetrically arranged on the inner wall of the second chamfer member 7, and the second conical blocks 71 penetrate into the corresponding conical grooves 51. The copper wire 3 is located between the first tapered block 61 and the second tapered block 71. The tool 5 can pass through the opening of the first chamfer 6 and the opening of the second chamfer 7.

Referring to fig. 3, 4 and 7, a first deburring inclined surface 611 is provided on one surface of the first tapered block 61 adjacent to the copper wire 3, and the first deburring inclined surface 611 is provided on both sides of the copper wire 3 in the width direction; the second tapered block 71 is provided with a second deburring inclined surface 711 on one side close to the copper wire 3, and the second deburring inclined surface 711 is provided on both sides of the copper wire 3 in the width direction. When the cutter 5 descends to the punching portion 52 to cut the copper wire 3, the first deburring bevel 611 is capable of cutting burrs on both sides of the upper surface of the copper wire 3, and the second deburring bevel 711 is capable of cutting burrs on both sides of the lower surface of the copper wire 3, and the deburring face 31 is formed on the copper wire 3.

Referring to fig. 3, 4 and 7, one side of the first tapered block 61 adjacent to the copper wire 3 is provided with a first chamfer angle slope 612, two first guide inclined planes 541 are located at the ends of the two first tapered blocks 61 adjacent to each other, one ends of the two first chamfer angle slopes 612 adjacent to each other are inclined toward a direction adjacent to the copper wire 3, one side of the second tapered block 71 adjacent to the copper wire 3 is provided with a second chamfer angle slope 712, and one ends of the two second chamfer angle slopes 712 adjacent to each other are inclined toward a direction adjacent to the copper wire 3. When the cutter 5 is lowered to the die-cut portion 52 to cut the copper wire 3, the first chamfer inclined surface 612 and the second chamfer inclined surface 712 penetrate into the upper surface and the lower surface of the copper wire 3, respectively, and at this time, the first chamfer inclined surface 612 and the second chamfer inclined surface 712 cooperate with the die-cut portion 52 to form the tapered end of the copper wire 3 into the guide surface 32.

Referring to fig. 1 and 5, the cutter 5 includes a first block 53 and a second block 54 integrally formed with each other, with the plane in which the copper wire 3 is located as an interface, and the length of the first block 53 is greater than the length of the second block 54. The bottom of the second block 54 is provided with a guide slope 541, and when the cutter 5 is located at a position where lowering is not started, the guide slope 541 is located obliquely above the copper wire 3 and near the copper wire 3. The guiding inclined plane 541 provides guiding limit for the copper wire 3 to pass through between the upper die holder 1 and the lower die holder 2, so that the copper wire 3 can conveniently pass through between the upper die holder 1 and the lower die holder 2.

Referring to fig. 2-4, a first limiting component 8 for limiting the copper wire 3 is arranged on the upper die holder 1, the first limiting component 8 comprises two first limiting blocks 81, the two first limiting blocks 81 are located on two sides of the cutter 5, the two first limiting blocks 81 are arranged along the length direction of the copper wire 3, and one surface of the first limiting block 81, which is far away from the upper die holder 1, is abutted against the upper surface of the copper wire 3. A first fixing groove for fixedly mounting the first limiting block 81 is formed in the bottom surface of the upper die holder 1.

Referring to fig. 2-4, a second limiting component 9 for limiting the copper wire 3 is arranged on the lower die holder 2, the second limiting component 9 comprises two second limiting blocks 91, the two second limiting blocks 91 are located on two sides of the cutter 5, the two second limiting blocks 91 are arranged along the length direction of the copper wire 3, and one surface of the second limiting block 91, which is far away from the lower die holder 2, is abutted against the lower surface of the copper wire 3. A second fixing groove for fixedly mounting the second limiting block 91 is formed in the top surface of the lower die holder 2.

Referring to fig. 2 to 4, a first stop bar 811 is provided on one surface of the first stop block 81 near the copper wire 3, the first stop bar 811 is in contact with the copper wire 3, and the first stop bars 811 on the two first stop blocks 81 are located on opposite sides of the copper wire 3 in the width direction. The second stopper 91 is provided with the second blend stop 911 on the one side that is close to copper line 3, and second blend stop 911 and copper line 3 butt are located the different side of copper line 3 width direction to the second blend stop 911 on two second stoppers 91. The first stop bar 811 on the first stop block 81 and the second stop bar 911 on the second stop block 91 on the same side of the cutter 5 are located on different sides of the copper wire 3 in the width direction, so that the copper wire 3 is reliably limited.

The first limiting component 8 and the second limiting component 9 are matched for use, so that the copper wire 3 is limited and abutted tightly, the copper wire 3 is not easy to move, and the precision of the copper wire 3 when being cut off and chamfered is improved.

Referring to fig. 1 and 2, the driving mechanism 4 includes an electric cylinder (not shown in the drawings), a connecting block 41, a connecting block 42 and a driving spring 43, wherein a piston rod of the electric cylinder is connected with the connecting block 41, the connecting block 41 is connected to a top surface of the connecting block 42, a bottom surface of the connecting block 42 is connected to a top surface of the cutter 5, a first yielding groove 11 for the cutter 5 to pass through is formed in the top surface of the upper die holder 1, an opening shape of the first yielding groove 11 is consistent with an opening shape of the first chamfer part 6, a second yielding groove 21 for the cutter 5 to pass through is formed in a bottom surface of the lower die holder 2, an opening shape of the second yielding groove 21 is consistent with an opening shape of the second chamfer part 7, and a peripheral side wall of the cutter 5 is attached to an inner wall of the first yielding groove 11 and an inner wall of the second yielding groove 21.

Referring to fig. 1 and 2, a driving spring 43 is positioned between the connection block 42 and the upper die holder 1, one end of the driving spring 43 is fixedly connected to the bottom surface of the connection block 42, and the other end of the driving spring 43 is fixedly connected to the top surface of the upper die holder 1. When the copper wire 3 needs to be cut off, the electric cylinder is started to drive the connecting block 42 to descend, the upper die holder 1 is lowered through the pressure transmitted by the driving spring 43, the cutter 5 is driven to descend to cut off the copper wire 3, the compression on the copper wire 3 is reduced by the elasticity of the driving spring 43, the adaptability and the buffering performance are improved, and the protection on the copper wire 3 is improved.

Referring to fig. 1 and 2, the driving springs 43 are provided in four, and four driving springs 43 are respectively positioned at four corners of the connection block 42, thereby improving the uniformity and stability of the supporting and buffering of the driving springs 43. Be provided with support column 44 on the upper die base 1, a drive spring 43 corresponds a support column 44, and drive spring 43 cover is located on the support column 44 that corresponds, has improved the flexible stability and the reliability of drive spring 43. One end of the support column 44, which is far away from the upper die holder 1, penetrates out of the connecting block 42 and is in sliding connection with the connecting block 42, a first through hole for sliding the support column 44 is formed in the top surface of the connecting block 42, a limiting plate 441 is arranged at one end of the support column 44, which penetrates out of the connecting block 42, the size of the end face of the limiting plate 441 is larger than that of the opening of the first through hole, and the possibility that the support column 44 is separated from the connecting block 42 is reduced.

Referring to fig. 1 and 2, the upper die holder 1 includes a first plate body 12 and a second plate body 13 which are slidably connected, and an accommodating groove 131 for accommodating the copper wire 3 is formed on the bottom surface of the second plate body 13. The first plate body 12 is located the top of second plate body 13, is provided with guide post 132 on the second plate body 13, and the one end that guide post 132 kept away from second plate body 13 wears out first plate body 12 and with first plate body 12 sliding connection, has improved the stability of first plate body 12 and second plate body 13 relative motion. The second through hole for sliding the guide post 132 is formed in the top surface of the first plate body 12, the positioning plate 133 is arranged at one end of the guide post 132 penetrating out of the first plate body 12, the size of the end surface of the positioning plate 133 is larger than that of the opening of the second through hole, and the possibility that the guide post 132 is separated from the first plate body 12 is reduced.

Referring to fig. 6, a return spring 135 is disposed in the second plate 13, a containing through groove 136 for accommodating the return spring 135 is formed on one surface of the second plate 13 close to the first plate 12, the bottom end of the return spring 135 is fixedly connected with the top surface of the lower die holder 2, and the top end of the return spring 135 is abutted against the bottom surface of the first plate 12 after penetrating out of the containing through groove 136. After the cutting operation is finished, the electric cylinder drives the connecting block 42 to ascend, the driving spring 43 drives the first plate body 12 to ascend and reset, and the reset spring 135 further pushes the first plate body 12 to ascend, so that the pressure of the upper die holder 1 on the copper wire 3 is rapidly reduced.

Referring to fig. 6, a mounting groove is formed in the bottom surface of the guide post 132, a limiting rod 134 is fixedly mounted in the mounting groove, the top end of the limiting rod 134 penetrates out of the first plate body 12, the bottom end of the limiting rod 134 extends to the bottom end of the lower die holder 2, and the limiting rod 134 provides further limiting guide for lifting of the upper die holder 1.

The implementation principle of the copper wire cutting device in the embodiment of the application is as follows:

when the copper wire 3 needs to be cut off, the electric cylinder is started to drive the connecting block 42 to descend, the upper die holder 1 is lowered by transmitting pressure through the driving spring 43, and the cutter 5 is driven to descend to cut off the copper wire 3. When the cutter 5 descends to the punching part 52 to cut off the copper wire 3, the first deburring inclined surface 611 can cut off burrs on two sides of the upper surface of the copper wire 3, the second deburring inclined surface 711 can cut off burrs on two sides of the lower surface of the copper wire 3, and meanwhile, the first chamfering inclined surface 612 and the second chamfering inclined surface 712 are matched with the punching part 52 to enable the conical end of the copper wire 3 to form a guide surface, so that the cutting device can remove burrs on the side of the periphery of the copper wire 3 when cutting off the copper wire 3, sharp edges of the copper wire 3 are weakened, and the formed guide surface also improves the smoothness of the end of the cutting part of the copper wire 3 and the matching of a follow-up mechanism. After the cutting operation is finished, the electric cylinder drives the connecting block 42 to ascend, the driving spring 43 drives the first plate body 12 to ascend and reset, and the reset spring 135 further pushes the first plate body 12 to ascend, so that the pressure of the upper die holder 1 on the copper wire 3 is rapidly reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. A copper line cutting device, its characterized in that: the copper wire cutting device comprises an upper die holder (1) and a lower die holder (2), wherein a copper wire (3) is positioned between the upper die holder (1) and the lower die holder (2), the upper die holder (1) is arranged in a lifting mode through a driving mechanism (4), a cutter (5) for cutting the copper wire (3) is arranged on the upper die holder (1), two conical grooves (51) are symmetrically formed in the outer side wall of the cutter (5), the conical grooves (51) are formed in the length direction of the copper wire (3), the conical grooves (51) penetrate through two ends of the cutter (5) in the height direction, a punching part (52) is arranged between the two conical grooves (51), and the cutter (5) can descend to the punching part (52) to cut the copper wire (3);

a first chamfer part (6) is sleeved and fixed on the peripheral side wall of the cutter (5), the first chamfer part (6) is annular, first conical blocks (61) which are matched with the conical grooves (51) in shape are symmetrically arranged on the inner wall of the first chamfer part (6), and the first conical blocks (61) penetrate into the corresponding conical grooves (51); the lower die holder (2) is fixedly provided with a second chamfer (7), the second chamfer (7) is annular, the inner wall of the second chamfer (7) is symmetrically provided with second conical blocks (71) which are matched with the conical grooves (51) in shape, and the second conical blocks (71) penetrate into the corresponding conical grooves (51); the copper wire (3) is positioned between the first conical block (61) and the second conical block (71), and the cutter (5) can pass through the opening of the first chamfer (6) and the opening of the second chamfer (7);

a first deburring inclined surface (611) is arranged on one surface of the first conical block (61) close to the copper wire (3), and the first deburring inclined surface (611) is arranged on two sides of the copper wire (3) in the width direction; the second conical block (71) is provided with a second deburring inclined surface (711) on one surface, close to the copper wire (3), of the second conical block, the second deburring inclined surface (711) is arranged on two sides of the width direction of the copper wire (3), when the cutter (5) descends to the punching part (52) to cut off the copper wire (3), the first deburring inclined surface (611) can cut burrs on two sides of the upper surface of the copper wire (3), and the second deburring inclined surface (711) can cut burrs on two sides of the lower surface of the copper wire (3).

2. A copper wire cutting apparatus according to claim 1, wherein: one side that first toper piece (61) is close to copper line (3) is provided with first chamfer inclined plane (612), two the one end that first chamfer inclined plane (612) is close to each other is inclined towards the direction that is close to copper line (3), one side that second toper piece (71) is close to copper line (3) is provided with second chamfer inclined plane (712), two the one end that second chamfer inclined plane (712) is close to each other is inclined towards the direction that is close to copper line (3), when cutter (5) descend to die-cut portion (52) and cut copper line (3), first chamfer inclined plane (612) and second chamfer inclined plane (712) penetrate upper surface and lower surface of copper line (3) respectively, first chamfer inclined plane (612) and second chamfer inclined plane (712) cooperation portion (52) make the toper end of die-cut copper line (3) form guide surface (32) this moment.

3. A copper wire cutting apparatus according to claim 1, wherein: with copper line (3) place plane as the interface, cutter (5) include integrated into one piece's first block (53) and second block (54), the length of first block (53) is greater than the length of second block (54), the bottom of second block (54) is provided with direction inclined plane (541), works as cutter (5) are located when not beginning the position of decline, direction inclined plane (541) are located the oblique top of copper line (3) and set up near copper line (3).

4. A copper wire cutting apparatus according to claim 1, wherein: the copper wire cutting machine is characterized in that a first limiting component (8) for limiting the copper wire (3) is arranged on the upper die holder (1), the first limiting component (8) comprises two first limiting blocks (81), the two first limiting blocks (81) are located on two sides of the cutter (5), the two first limiting blocks (81) are arranged along the length direction of the copper wire (3), and one surface of the first limiting block (81) away from the upper die holder (1) is abutted against the upper surface of the copper wire (3);

be provided with on die holder (2) and be used for spacing second spacing subassembly (9) to copper line (3), second spacing subassembly (9) include two second stopper (91), two second stopper (91) are located the both sides of cutter (5), two second stopper (91) set up along the length direction of copper line (3), one side and the lower surface butt of copper line (3) of die holder (2) are kept away from to second stopper (91).

5. A copper wire cutting apparatus according to claim 4 wherein: a first barrier strip (811) is arranged on one surface of the first limiting block (81) close to the copper wire (3), the first barrier strips (811) are abutted against the copper wire (3), and the first barrier strips (811) on the two first limiting blocks (81) are positioned on different sides of the copper wire (3) in the width direction; a second barrier strip (911) is arranged on one surface of the second limiting block (91) close to the copper wire (3), the second barrier strips (911) are abutted to the copper wire (3), and the second barrier strips (911) on the two second limiting blocks (91) are positioned on different sides of the copper wire (3) in the width direction; a first stop bar (811) on a first limiting block (81) and a second stop bar (911) on a second limiting block (91) which are positioned on the same side of the cutter (5) are positioned on different sides of the copper wire (3) in the width direction.

6. A copper wire cutting apparatus according to claim 1, wherein: the driving mechanism (4) comprises an electric cylinder, a connecting block (41), a connecting plate (42) and a driving spring (43), wherein a piston rod of the electric cylinder is connected with the connecting block (41), the connecting block (41) is connected to the top surface of the connecting plate (42), the bottom surface of the connecting plate (42) is connected with the top surface of a cutter (5), a first yielding through groove (11) for the cutter (5) to pass through is formed in the top surface of the upper die holder (1), a second yielding through groove (21) for the cutter (5) to pass through is formed in the bottom surface of the lower die holder (2), the driving spring (43) is located between the connecting plate (42) and the upper die holder (1), one end of the driving spring (43) is connected with the bottom surface of the connecting plate (42), and the other end of the driving spring (43) is connected with the top surface of the upper die holder (1).

7. A copper wire cutting apparatus according to claim 6, wherein: four driving springs (43) are arranged, the four driving springs (43) are respectively located at four corners of the connecting plate (42), support columns (44) are arranged on the upper die holder (1), one driving spring (43) corresponds to one support column (44), and the driving springs (43) are sleeved on the corresponding support column (44); one end of the support column (44) far away from the upper die holder (1) penetrates out of the connecting plate (42) and is in sliding connection with the connecting plate (42), and a first through hole for sliding the support column (44) is formed in the top surface of the connecting plate (42).

8. A copper wire cutting apparatus according to claim 1, wherein: the upper die holder (1) comprises a first plate body (12) and a second plate body (13) which are in sliding connection, the first plate body (12) is positioned above the second plate body (13), a guide column (132) is arranged on the second plate body (13), one end, far away from the second plate body (13), of the guide column (132) penetrates out of the first plate body (12) and is in sliding connection with the first plate body (12), and a second through hole for the guide column (132) to slide is formed in the top surface of the first plate body (12);

the novel die comprises a die body and is characterized in that a reset spring (135) is arranged in a second plate body (13), an accommodating through groove (136) for accommodating the reset spring (135) is formed in one face, close to the first plate body (12), of the second plate body (13), the bottom end of the reset spring (135) is connected with the top surface of a lower die holder (2), and the top end of the reset spring (135) penetrates out of the accommodating through groove (136) and then is abutted to the bottom surface of the first plate body (12).

9. A copper wire cutting apparatus according to claim 8, wherein: the bottom surface of guide post (132) has seted up the mounting groove, fixed mounting has gag lever post (134) in the mounting groove, first plate body (12) are worn out on the top of gag lever post (134), the bottom of gag lever post (134) extends to the bottom of die holder (2).