CN220093271U - Copper bar chamfering device - Google Patents

Abstract

The utility model relates to the technical field of copper bar processing equipment, in particular to a copper bar chamfering device, which comprises: the copper bar chamfering machine comprises a frame, a clamping piece, a positioning piece, a movable frame, a plurality of cutting pieces and a connecting piece, wherein the clamping piece is fixedly arranged on the frame and comprises a clamping hole, the movable frame is arranged on the frame in a sliding mode, the cutting pieces are arranged on the movable frame, the central axes of the cutting pieces and the copper bar are arranged in a staggered mode, the positioning piece is movably arranged on the frame, two ends of the connecting piece are respectively connected with the positioning piece and the movable frame, when the movable frame is close to or far away from the clamping piece, the positioning piece is far away from or close to the clamping hole.

Description

Copper bar chamfering device

Technical Field

The utility model relates to the technical field of copper bar processing equipment, in particular to a copper bar chamfering device.

Background

The copper bar is a nonferrous metal processing bar, has better processing performance and high conductivity, and is a raw material of air conditioner pipes and refrigerator pipes.

The copper bar blank is extruded into a long cylindrical copper bar with a preset shape through a copper bar extruder, then the copper bar blank is cut to a preset length through a copper bar cutting device, and then the copper bar end is chamfered through a copper bar chamfering device. The existing copper bar chamfering device comprises a clamp, a chamfering component and a machine body, wherein the clamp is provided with a clamping hole, the copper bar penetrates through the clamping hole and is clamped by the clamp, the chamfering component is arranged on the machine body in a sliding mode and is close to or far away from the clamp, the edge of the copper bar is chamfered through the chamfering component, when the chamfering component is used for processing, the chamfering component is suitable for large-scale production and is uniform in processing standard, the chamfering component is fixed to the stroke of the movement of the clamping hole, and furthermore, the distance of the copper bar extending out of the clamping hole is also fixed, so that a good chamfering effect can be ensured. However: because the bar copper length is longer, production personnel will the bar copper centre gripping is in when on the anchor clamps, the bar copper stretches out the distance in clamp hole is difficult to rely on the naked eye to control, easily leads to production effect unstable, and adopts the measuring tape to measure the bar copper and stretch out the distance and has violated the original purpose that improves production efficiency again.

Therefore, a need exists for a copper bar chamfering device that facilitates improved production efficiency by providing a copper bar with a fixed distance from the extended clamping hole.

Disclosure of Invention

The utility model mainly aims to provide a copper bar chamfering device which is used for chamfering one end of a copper bar, wherein the copper bar chamfering device comprises a frame, a clamping piece used for clamping the copper bar, a positioning piece, a chamfering component and a connecting piece, the clamping piece is fixedly arranged on the frame, the clamping piece comprises a clamping hole, the chamfering component comprises a moving frame and a plurality of cutting pieces, the moving frame is arranged on the frame in a sliding mode, the cutting pieces are arranged on the moving frame, the cutting pieces are arranged with the central axis of the copper bar in a staggered mode, the positioning piece is movably arranged on the frame, two ends of the connecting piece are respectively connected with the positioning piece and the moving frame, when the moving frame is close to or far away from the clamping piece, the positioning piece is far away from or close to the clamping hole, when the copper bar is clamped, the positioning piece abuts against the copper bar after the clamping hole, the copper bar is determined, the positioning piece is connected with the chamfering component through the connecting piece, when the chamfering component is close to the copper bar, the positioning piece is far away from the copper bar, the positioning piece is difficult to abut against the hole, and the copper bar is difficult to be extruded, and the copper bar is difficult to be positioned and extruded out of the copper bar is difficult to be positioned and moved out of the copper bar.

The utility model further provides a copper bar chamfering device, wherein the positioning piece is rotatably mounted on the frame, the connecting piece is a pull rope, a first connecting part is arranged on the positioning piece, a second connecting part is arranged on one side of the movable frame, two ends of the pull rope are respectively connected with the first connecting part and the second connecting part, the copper bar chamfering device further comprises a reversing piece fixedly mounted on the frame, the reversing piece is arranged between the first connecting part and the second connecting part, the reversing piece is positioned on the inner side of the pull rope and is in contact with the pull rope, and the positioning piece is connected with the movable frame through the pull rope.

The utility model further aims to provide a copper bar chamfering device, wherein the positioning piece is slidably arranged on the frame, the connecting piece is a connecting rod, two ends of the connecting rod are respectively and rotatably connected with the positioning piece and the movable frame, and the positioning piece is connected with the movable frame through the connecting rod.

In order to achieve at least one of the above objects, the present utility model provides a copper bar chamfering device for chamfering an end portion of a copper bar, comprising a frame, wherein the copper bar chamfering device further comprises:

the clamping piece is used for clamping the copper rod and fixedly arranged on the rack, and comprises a clamping hole, and the copper rod penetrates through the clamping hole; and

the positioning piece is movably arranged on the rack; and

the chamfering assembly is positioned between the clamping piece and the chamfering assembly and comprises a movable frame and a plurality of cutting pieces, the movable frame is arranged on the frame in a sliding mode, the cutting pieces are arranged on the movable frame, and the cutting pieces and the central axis of the copper rod are arranged in a staggered mode; and

and the two ends of the connecting piece are respectively connected with the positioning piece and the movable frame, and when the movable frame is close to or far away from the clamping piece, the positioning piece is far away from or close to the clamping hole.

In one or more embodiments of the present utility model, the positioning member is rotatably mounted on the frame, the connecting member is a pull rope, a first connecting portion is provided on the positioning member, a second connecting portion is provided on one side of the moving frame, two ends of the pull rope are respectively connected with the first connecting portion and the second connecting portion, the copper bar chamfering device further includes a reversing member fixedly mounted on the frame, the reversing member is disposed between the first connecting portion and the second connecting portion, and the reversing member is located inside the pull rope and contacts with the pull rope.

In one or more embodiments of the present utility model, the copper bar chamfering device further includes a plurality of guide members, the guide members are disposed between the first connection portion and the reversing member, and the pull rope passes through or is wound around the guide members.

In one or more embodiments of the present utility model, the positioning member is slidably mounted on the frame, and the connecting member is a connecting rod, and two ends of the connecting rod are respectively connected with the positioning member and the moving frame in a rotating manner.

In one or more embodiments of the present utility model, the frame includes two guide rods, the moving frame is slidably disposed on the two guide rods, the chamfering assembly further includes a screw rod and a first rotation driving device, the screw rod is located between the two guide rods, the screw rod is rotatably installed on the frame, one end of the screw rod, which is close to the positioning piece, is in threaded connection with the moving frame, and one end of the screw rod, which is away from the positioning piece, is in power connection with the first rotation driving device.

In one or more embodiments of the present utility model, the chamfering assembly further includes a four-jaw chuck, a transmission member, and a second rotation driving device, each jaw of the four-jaw chuck has a mounting portion for mounting the cutting member thereon, the four-jaw chuck is rotatably mounted on the moving frame, the transmission member is rotatably mounted on the moving frame, both ends of the transmission member are respectively connected to the four-jaw chuck and the rotation shaft of the second rotation driving device, and the second rotation driving device is fixedly mounted on the moving frame.

In one or more embodiments of the present utility model, the chamfering assembly further includes an abutment member disposed at an end of the transfer member facing away from the four-jaw chuck, and the abutment member abuts against the transfer member.

In one or more embodiments of the present utility model, the copper bar chamfering device further includes a plurality of supporting members provided at an end of the clamping member facing away from the chamfering assembly, and the copper bar is placed on the supporting members.

In one or more embodiments of the utility model, the support is slidably disposed on the frame in a height direction of the frame.

In one or more embodiments of the present utility model, the frame has a sliding hole, a hole wall of the sliding hole has a threaded hole, one end of the supporting member facing away from the copper bar has an extension portion, one side of the extension portion near the threaded hole has an elastic layer, the extension portion is slidably disposed in the sliding hole, and the supporting member further includes a fastening member, and the fastening member passes through the threaded hole and presses the elastic layer on the extension portion.

In the embodiment of the utility model, the copper bar chamfering device comprises a frame, a clamping piece, a positioning piece, a moving frame, a plurality of cutting pieces and a connecting piece, wherein the clamping piece is fixedly arranged on the frame, the clamping piece comprises a clamping hole, the moving frame is arranged on the frame in a sliding way, the cutting piece is arranged on the moving frame, the cutting piece and the central axis of the copper bar are arranged in a staggered way, the positioning piece is movably arranged on the frame, two ends of the connecting piece are respectively connected with the positioning piece and the moving frame, when the moving frame is close to or far away from the clamping piece, the positioning piece is far away from or close to the clamping hole, when the copper bar is clamped, the positioning piece is abutted against the copper bar which extends out of the clamping hole, the extending distance of the copper bar is determined, and when the chamfering component is close to the copper bar, the positioning piece is far from the clamping hole, so that the avoidance of the cutting piece is realized.

Drawings

These and/or other aspects and advantages of the present utility model will become more apparent and more readily appreciated from the following detailed description of the embodiments of the utility model, taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic view of a first embodiment of the present utility model at a certain viewing angle;

FIG. 2 is a schematic view of the positioning member according to the first embodiment of the present utility model from another view;

FIG. 3 illustrates a schematic structural view of a second embodiment of the present utility model;

fig. 4 illustrates a cross-sectional view of the support mounted on the frame.

Detailed Description

The terms and words used in the following description and claims are not limited to literal meanings, but are used only by the inventors to enable a clear and consistent understanding of the utility model. It will be apparent to those skilled in the art, therefore, that the following description of the various embodiments of the utility model is provided for illustration only and not for the purpose of limiting the utility model as defined by the appended claims and their equivalents.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Although ordinal numbers such as "first," "second," etc., will be used to describe various components, those components are not limited herein. The term is used merely to distinguish one component from another. For example, a first component may be referred to as a second component, and likewise, a second component may be referred to as a first component, without departing from the teachings of the inventive concept. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The terminology used herein is for the purpose of describing various embodiments only and is not intended to be limiting. As used herein, the singular is intended to include the plural as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, or groups thereof.

Summary of the application

The existing copper bar chamfering device comprises a clamp and a chamfering component, wherein a clamping hole is formed in the clamp, the chamfering component is close to the clamping hole during production, chamfering is carried out on a copper bar extending out by a preset distance from the clamping hole, the moving stroke of the chamfering component is fixed, because the length of the copper bar is long, production personnel are carrying out clamping the copper bar on the clamp, the distance from the copper bar extending out of the clamping hole is difficult to control by naked eyes, the production effect is unstable, and the measuring rule is adopted to measure the extending distance of the copper bar, and the original purpose of improving the production efficiency is violated.

Based on the technical problems, the utility model provides the copper bar chamfering device, wherein the copper bar chamfering device is simple in structure, does not relate to complex manufacturing process and expensive materials, has higher economical efficiency, is easy to produce for manufacturers, is low in cost, is beneficial to controlling the production cost, and is further beneficial to product popularization and use.

An exemplary chamfering device for a copper rod,

referring to fig. 1 to 4, a chamfering device for a copper bar according to any one of the preferred embodiments of the present utility model for chamfering one end of the copper bar includes a frame 10, a clamping member 20 for clamping the copper bar, and a chamfering unit 30.

Specifically, as shown in fig. 1, in any embodiment of the present utility model, the clamping member 20 is fixedly installed on the frame 10, the clamping member 20 includes a clamping hole 201, and the copper rod is inserted through the clamping hole 201 by a predetermined distance. In this embodiment, the clamping member 20 is further implemented as a three-jaw chuck, which includes three jaws and a disc body, wherein the three jaws are slidably disposed in the disc body and synchronously move toward or away from each other, and the opposite ends of the three jaws together form the clamping hole 201. As the three-jaw chuck technology is mature, it is widely used in the market, and specific structures and models of the three-jaw chuck are not repeated herein, and the three-jaw chuck includes, but is not limited to, a three-jaw chuck with jaws and a disc body capable of clamping a column member as disclosed in patent document (CN 200967090). It should be noted that, since the clamping member 20 is fixedly connected to the frame 10, the fixed connection thereof includes, but is not limited to, a threaded connection, the clamping member 20 does not rotate. It should be further added that in the actual production process, after the workpiece is clamped by the three-jaw chuck, the three-jaw chuck rotates, and then the turning tool approaches the workpiece, but the embodiment of the utility model is applied to the field of copper rod production, and the length of the copper rod cut to the preset length by the copper rod cutting device is still longer and heavier, so that the workpiece is driven to rotate by the three-jaw chuck by the conventional technical means, which is not practical, and in this embodiment, the clamping member 20 is fixedly connected with the frame 10.

In addition, as shown in fig. 1, in any embodiment of the present utility model, the chamfering assembly 30 includes a moving frame 301 and a plurality of cutting elements 302, the moving frame 301 is slidably disposed on the frame 10, the cutting elements 302 are mounted on the moving frame 301, and the cutting elements 302 and the central axis of the copper rod are arranged in a staggered manner. The cutting member 302 is further implemented as a chamfering tool, and the cutting member 302 is arranged in a staggered manner with respect to the central axis of the copper rod, so that the end edge of the copper rod is chamfered by the cutting member 302.

Specifically, as shown in fig. 1, in any embodiment of the present utility model, the chamfering assembly 30 further includes a four-jaw chuck 303, a transmission member 304 and a second rotation driving device 305, each jaw of the four-jaw chuck 303 has a mounting portion for mounting the cutting member 302, and the cutting member 302 is screwed with the mounting portion; the four-jaw chuck 303 is rotatably mounted on the moving frame 301, specifically, the transmission member 304 is rotatably mounted on the moving frame 301 through a bearing, the transmission member 304 is implemented as a shaft body, the central axis of the transmission member 304 is coaxially arranged with the central axis of the clamping member 20, one end of the transmission member 304 is fixedly connected with the disk body of the four-jaw chuck 303 in a fixed connection manner including but not limited to a threaded connection, the other end of the transmission member 304 is in a power connection with the rotating shaft of the second rotation driving device 305 through a gear, the second rotation driving device 305 is fixedly mounted on the moving frame 301 in a threaded connection manner, and the second rotation driving device 305 is further implemented as a rotation motor. When the second rotation driving means 305 rotates, the transmission member 304 rotates and drives the four-jaw chuck 303 to rotate, and the cutting member 302 mounted on the four-jaw chuck 303 rotates. When the cutting edge of the cutting member 302 contacts with the edge of the end of the copper bar, chamfering is performed on the end of the copper bar, and the four-jaw chuck 303 is adopted to cut the copper bar by adopting a plurality of cutting members 302 at the same time, so that the cutting load and abrasion of each cutting member 302 are reduced. As the four-jaw chuck 303 is mature in technology and is widely used in the market, the specific structure of the four-jaw chuck 303 is not described here, and the four-jaw chuck 303 includes, but is not limited to, the four-jaw chuck 303 disclosed in patent document (CN 211516530U).

In the prior art, since the moving travel of the moving frame 301 moving toward the direction of the clamping hole 201 is fixed, and the length of the copper bar is too long, when a producer clamps the copper bar and makes the copper bar extend out of the clamping hole 201, it is difficult to clearly and simply determine the distance that the copper bar extends out of the clamping hole 201, and when the distance that the copper bar extends out of the clamping hole 201 is not fixed, the length of a chamfer cut by the cutting element 302 moving a predetermined travel on the copper bar is inconsistent, and the production quality is unstable.

In view of this, as shown in fig. 1, in any of the embodiments of the present utility model, the copper bar chamfering device further includes a positioning member 40, the positioning member 40 is movably mounted on the frame 10, the positioning member 40 is further implemented as a baffle, and the positioning member 40 is located between the clamping member 20 and the chamfering assembly 30.

Before the copper bar is clamped, the positioning member 40 is aligned with the clamping hole 201, after the copper bar passes through the clamping hole 201, the copper bar is abutted against the baffle, and after the copper bar is abutted against the baffle, the copper bar is clamped by the production personnel through the clamping member 20. By arranging the positioning pieces 40 and enabling each copper bar to be abutted against the positioning pieces 40 before production and processing, the distance that the copper bar extends out of the clamping holes 201 is ensured to be constant, and chamfering with the same length can be obtained after each fixed stroke of the cutting piece 302 is moved, so that the production quality is guaranteed, the distance that the copper bar extends out of the clamping holes 201 is determined to be clear and simple, and compared with measurement scale observation, the production efficiency is higher; and because the distance that the copper bar extends out of the clamping hole 201 and the moving travel of the cutting element 302 are fixed, the length of the copper bar does not need to be adaptively adjusted by a processing staff in the production process, thereby being beneficial to improving the production efficiency.

It should be noted that, after the copper bar is clamped, the positioning member 40 moves and is no longer aligned with the clamping hole 201, so as to avoid the cutting member 302.

In order to enable the positioning member 40 to move and avoid during the process of approaching the cutting member 302 to the copper bar, as shown in fig. 1, in any embodiment of the present utility model, the copper bar chamfering device further includes a connecting member 50, two ends of the connecting member 50 are respectively connected to the positioning member 40 and the moving frame 301, and when the moving frame 301 approaches or approaches the clamping member 20, the positioning member 40 approaches or approaches the clamping hole 201.

Specifically, in the first embodiment of the present utility model, as shown in fig. 1 and 2, the positioning member 40 is rotatably mounted on the frame 10, the connection member 50 is a pull rope 50A, a first connection portion 401 is provided at the top of the positioning member 40, a second connection portion 402 is provided at one side of the moving frame 301, two ends of the pull rope 50A are respectively connected to the first connection portion 401 and the second connection portion 402, the copper bar chamfering device further includes a reverse member 403, the reverse member 403 is fixedly mounted on the frame 10, the reverse member 403 is disposed between the first connection portion 401 and the second connection portion 402, and the reverse member 403 is located inside the pull rope 50A and is in contact with the pull rope 50A.

By arranging the reversing element 403, when the moving frame 301 moves towards the copper bar, the pull rope 50A is pulled tightly, and drives the positioning element 40 to turn upwards for a predetermined angle and away from the clamping hole 201, so as to avoid the cutting element 302 by the positioning element 40.

Because the first connecting portion 401 and the second connecting portion 402 are arranged in a staggered manner in space, in order to further enable the pull rope 50A to be smoother in the moving process, as shown in fig. 1 and 2, the copper bar chamfering device further comprises a plurality of guide pieces 404, the guide pieces 404 are arranged between the first connecting portion 401 and the reversing piece 403, and the pull rope 50A passes through or is wound on the guide pieces 404.

Fig. 3 illustrates a second embodiment of the present utility model, in which the positioning member 40 is slidably mounted on the frame 10, the connecting member 50 is a connecting rod 50B, and two ends of the connecting rod 50B are respectively hinged to the positioning member 40 and the moving frame 301. When the moving frame 301 moves toward the copper bar, the positioning member 40 is away from the clamping hole 201, so as to avoid the cutting member 302.

Further, as shown in fig. 1, in any embodiment of the present utility model, to enable the movable frame 301 to be slidably disposed on the frame 10, the frame 10 includes two guide rods 101, the movable frame 301 is slidably disposed on the two guide rods 101, the chamfering assembly 30 further includes a screw rod 306 and a first rotation driving device 307, the screw rod 306 is disposed between the two guide rods 101, the screw rod 306 is rotatably mounted on the frame 10, and an end of the screw rod 306 near the positioning member 40 is in threaded connection with the movable frame 301, an end of the screw rod 306 facing away from the positioning member 40 is in power connection with the first rotation driving device 307 through a gear, and the first rotation driving device 307 is implemented as a rotation motor, and when the first rotation driving device 307 rotates, the movable frame 301 moves on the guide rods 101 and approaches or moves away from the copper rod. In the chamfering process of the copper bar, the four-jaw chuck 303 rotates to drive the cutting member 302 to rotate, and the moving frame 301 moves to drive the cutting member 302 to approach and contact with the copper bar.

Further, since the cutting member 302 receives the reaction force from the copper bar during chamfering, in order to prevent the transmission member 304 from being axially forced and axially moved, as shown in fig. 1, in any embodiment of the present utility model, the chamfering assembly 30 further includes a propping member 308, the propping member 308 is disposed at an end of the transmission member 304 facing away from the four-jaw chuck 303, and the propping member 308 is abutted against the transmission member 304, and the transmission member 304 is disposed to axially move during machining by disposing the propping member 308.

Further, since the copper bar is longer, the end of the copper bar away from the clamping member is arranged in a suspended manner, under the lever principle, the load on the clamping member 20 is larger, in order to reduce the load on the clamping member 20, as shown in fig. 1, in any embodiment of the present utility model, the copper bar chamfering device further includes a plurality of supporting members 60, the top of the supporting members 60 is provided with a V-shaped groove, the supporting members 60 are disposed at the end of the clamping member 20 away from the chamfering assembly 30, the copper bar is disposed on the V-shaped groove of the supporting members 60, and the supporting members 60 provide support to the end of the copper bar away from the clamping member 20, so as to avoid the copper bar being in a suspended state.

Further, since the diameters of the copper bars are different in different specifications, the support member 60 is slidably disposed on the frame 10 in the height direction of the frame 10 so that the support member 60 can support the copper bars having different diameters.

Specifically, as shown in fig. 4, in any embodiment of the present utility model, the frame 10 has a sliding hole 102, a hole wall of the sliding hole 102 has a threaded hole 1021, one end of the supporting member 60 facing away from the copper bar has an extension portion 601, one side of the extension portion 601 near the threaded hole 1021 has an elastic layer 602, and the elastic layer 602 is preferably made of rubber, and the elastic layer 602 is fixedly connected with the extension portion 601 by means of bonding or threaded connection; the extension 601 is slidably disposed in the sliding hole 102, the supporting member 60 further includes a fastener 603, where the fastener 603 passes through the threaded hole 1021 and presses the elastic layer 602 on the extension 601, and deforms a contact area of the elastic layer 602 with the fastener 603, so that the fastener 603 may be considered as being embedded in the elastic layer 602, so as to fix a position of the supporting member 60 in the sliding hole 102.

In summary, the copper bar chamfering device according to the embodiment of the utility model is explained, which provides the copper bar chamfering device with the advantages of fixing the distance between the copper bar and the clamping hole, being beneficial to improving the production efficiency and the like.

It should be noted that in the embodiment of the utility model, the copper bar chamfering device has a simple structure, does not involve complex manufacturing process and expensive materials, and has higher economy. Meanwhile, for manufacturers, the copper bar chamfering device provided by the utility model is easy to produce, low in cost, more beneficial to control the production cost and further beneficial to product popularization and use.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from such principles.

Claims (10)

1. The utility model provides a bar copper chamfer device for to bar copper one end tip chamfer, includes a frame, its characterized in that: the copper bar chamfering device further comprises

The clamping piece is used for clamping the copper rod and fixedly arranged on the rack, and comprises a clamping hole, and the copper rod penetrates through the clamping hole; and

the positioning piece is movably arranged on the rack; and

the chamfering assembly is positioned between the clamping piece and the chamfering assembly and comprises a movable frame and a plurality of cutting pieces, the movable frame is arranged on the frame in a sliding mode, the cutting pieces are arranged on the movable frame, and the cutting pieces and the central axis of the copper rod are arranged in a staggered mode; and

and the two ends of the connecting piece are respectively connected with the positioning piece and the movable frame, and when the movable frame is close to or far away from the clamping piece, the positioning piece is far away from or close to the clamping hole.

2. The copper bar chamfering device according to claim 1, characterized in that: the locating part rotates and installs in the frame, the connecting piece is a stay cord, have a first connecting portion on the locating part, one side of removing the frame has a second connecting portion, the both ends of stay cord respectively with first connecting portion with the second connecting portion are connected, bar copper chamfer device still includes a reverse piece, reverse piece fixed mounting is in the frame, reverse piece is located between first connecting portion with the second connecting portion, just reverse piece is located the inboard of stay cord and with the stay cord contact.

3. The copper bar chamfering device according to claim 2, characterized in that: the copper bar chamfering device further comprises a plurality of guide pieces, wherein the guide pieces are arranged between the first connecting part and the reversing piece, and the pull rope penetrates through or winds the guide pieces.

4. The copper bar chamfering device according to claim 1, characterized in that: the locating piece is slidably mounted on the frame, the connecting piece is a connecting rod, and two ends of the connecting rod are respectively connected with the locating piece and the movable frame in a rotating mode.

5. The copper bar chamfering device according to claim 2 or 4, characterized in that: the frame includes two guide bars, remove the frame slip and set up in two on the guide bar, the chamfer subassembly still includes a lead screw and a first rotary drive device, the lead screw is located two between the guide bar, the lead screw is rotated and is installed in the frame, just the lead screw is close to the one end of setting element with remove frame threaded connection, the lead screw deviates from the one end of setting element with a rotary drive device power connection.

6. The copper bar chamfering device according to claim 5, wherein: the chamfering assembly further comprises a four-jaw chuck, a transmission piece and a second rotary driving device, wherein each jaw of the four-jaw chuck is provided with an installation part for installing the cutting piece, the four-jaw chuck is rotatably installed on the movable frame, the transmission piece is rotatably installed on the movable frame, two ends of the transmission piece are respectively connected with rotating shafts of the four-jaw chuck and the second rotary driving device, and the second rotary driving device is fixedly installed on the movable frame.

7. The copper bar chamfering device according to claim 6, wherein: the chamfering assembly further comprises a propping piece, wherein the propping piece is arranged at one end, deviating from the four-jaw chuck, of the transmission piece, and the propping piece is propped against the transmission piece.

8. The copper bar chamfering device according to claim 7, wherein: the copper bar chamfering device further comprises a plurality of supporting pieces, the supporting pieces are arranged at one ends, away from the chamfering assembly, of the clamping pieces, and the copper bars are arranged on the supporting pieces.

9. The copper bar chamfering device according to claim 8, wherein: the support member is slidably disposed on the frame in a height direction of the frame.

10. The copper bar chamfering device according to claim 9, wherein: the support piece is provided with a support part, a copper bar is arranged on the support part, a support hole is formed in the support part, a threaded hole is formed in the wall of the sliding hole, an extension part is arranged at one end, away from the copper bar, of the support part, an elastic layer is arranged on one side, close to the threaded hole, of the extension part, the extension part is arranged in the sliding hole in a sliding mode, and the support part further comprises a fastening piece, and the fastening piece penetrates through the threaded hole and presses the elastic layer on the extension part.