Ring cutting processing device for wire harness production

Abstract

The invention discloses an annular cutting machining device for wire harness production, and belongs to the technical field of wire machining equipment.The annular cutting machining device for wire harness production comprises a lantern ring, a cutter limiting piece is arranged on the lantern ring in a sliding mode, and the cutter limiting piece slides in the circumferential direction of the lantern ring; a cutting knife is detachably arranged at the end part of the cutting knife limiting piece; the cutter limiting piece comprises a fixed base, an arc-shaped block, a right-angle rotating rod, a fixed rod, a sliding connecting ball, a bolt connecting hole and a cutter placing seat; when the cutter limiting piece is arranged on the lantern ring in a sliding mode, a sliding connecting ball is fixed to the middle position of the arc-shaped block through a fixing rod. The wire harness girdling device has the advantages that the cutting knife is arranged on the lantern ring in a sliding mode, in the girdling operation process of the wire harness, the cutting knife can stably cut the wire harness along the lantern ring by one circle, the cut end is neat, and when the wire harness is used subsequently, the actual application effect of the wire harness is better.

Description

Technical Field

[0001] The invention relates to the technical field of wire processing equipment, in particular to a ring cutting processing device for producing wire harnesses. Background Art

[0002] The wiring harness is the wiring component that connects various electrical devices in the automobile circuit. It is composed of an insulating sheath, wiring terminals, wires and insulating wrapping materials.

[0003] The existing wire harness ring cutting equipment relies on a handheld cutting device to perform cutting operations on the wire harness during the ring cutting process. This cutting operation will cause the cut end of the wire harness to be uneven, and the application effect of the cut surface is not good when it is used later. In addition, due to the inconsistent force during hand-held rotation, the wires inside the wire harness will be damaged, affecting subsequent use. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention aims to provide a circular cutting processing device for producing wire harnesses.

[0005] The technical solution of the present invention is as follows: a circular cutting processing device for producing wire harnesses, comprising

[0006] A collar, on which a cutter stopper is slidably provided, the cutter stopper slides along the circumferential direction of the collar, and a cutting knife is detachably provided at the end of the cutter stopper;

[0007] The cutter stopper comprises a fixed base, an arc block, a right-angle rotating rod, a fixed rod, a sliding connection ball, a bolt connection hole and a cutter placement seat;

[0008] When the cutter stopper is slidably arranged on the collar, a sliding connection ball is fixed at the middle position of the arc block through a fixing rod, the arc block is located on the outer wall of the collar, and the sliding connection ball is located inside the collar;

[0009] The fixed base and the arc block are an integrated structure, and a "convex" shaped structure is formed between the fixed base and the arc block;

[0010] A tool placement seat is rotatably arranged on the fixed base on the opposite surface of the arc block, one end of the tool placement seat is connected to the fixed base through a right-angle rotation rod, and a cutting knife is detachably connected to the other end of the tool placement seat;

[0011] A bolt connection hole is formed through the fixed base.

[0012] Preferably, a connecting rope is connected to one end of the tool placement seat near the cutting knife, and the other end of the connecting rope is fixedly connected to the bottom of the fixed base;

[0013] When the connecting rope is in use, the tool placement seat is tilted relative to the fixed base, and an inclined surface abutment block is provided between the tool placement seat and the fixed base.

[0014] Preferably, when the length of the right-angle rotation rod is shorter than the length of the connecting rope, the tool placement seat is tilted downward, and the tip of the inclined surface abutment block arranged between the tool placement seat and the fixed base faces the right-angle rotation rod.

[0015] Preferably, when the length of the right-angle rotation rod is longer than the length of the connecting rope, the tool placement seat is tilted upward, and the tip of the inclined surface abutment block arranged between the tool placement seat and the fixed base faces the connecting rope.

[0016] Preferably, when the tool placement seat is arranged in close proximity and parallel to the fixed base, one end of the tool placement seat is connected via a right-angle rotation rod, and the other end of the tool placement seat is fixed to the fixed base by bolts.

[0017] Preferably, when cutting workpieces of different sizes, a plurality of collars of different sizes are concentrically arranged, and the cutter stoppers on the collars of different sizes are connected and fixed by connecting bolts to keep the cutter stoppers on the different collars in the same straight line;

[0018] The cutting knife is arranged in a cutting knife stopper arranged on the innermost sleeve ring. When the cutting knife rotates, the cutting knife stoppers located on different sleeve rings rotate synchronously.

[0019] Preferably, when one collar is provided, a workpiece limiting ring is provided on the inner side of the collar, the collar and the workpiece limiting ring are connected by a connecting rod, the connecting rod and the cutter limiting member are located on opposite sides of the collar, and the workpiece limiting ring and the collar are concentrically arranged.

[0020] Preferably, when multiple rings are provided, a workpiece limiting ring is provided inside the innermost ring, the multiple rings and the workpiece limiting ring are concentrically provided, the multiple rings are connected and limited by connecting rods, and the innermost ring and the workpiece limiting ring are connected and limited by connecting rods.

[0021] Preferably, both sides of the ring are provided with slide bars in the threading direction, a wire through sleeve is slidably provided on the slide bar, and an auxiliary limiting member for extruding and limiting the wire is provided on the wire through sleeve;

[0022] The auxiliary limiting member includes an adjusting bolt, a pressing block and an elastic pad. The adjusting bolt is inserted into the wire through-hole. The end of the adjusting bolt is located inside the wire through-hole and is rotatably connected to the pressing block. An elastic pad is provided on the end surface of the pressing block that contacts the wire.

[0023] Preferably, a mounting ring is vertically fixed on the slide rod near the position of the ring, and a connecting spring is provided between the mounting ring and the wire penetration sleeve;

[0024] When the auxiliary limiting member clamps and limits the electric wire, the connecting spring presses the ring until the electric wires on both sides of the ring are in a tensioned state.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. The cutting knife is slidably arranged on the ferrule. During the circumferential cutting operation of the wire harness, the cutting knife can stably cut the wire harness along the ferrule, so that the cut end is neat. When the wire harness is used later, the actual application effect of the wire harness is better.

[0027] 2. Small rings can be set on the ring, which can be used for ring cutting operations on wire bundles of different sizes, further improving its scope of application;

[0028] 3. The cutting knife can be set to be tilted or not tilted, and the tilt angle can be adjusted. In the process of ring cutting of different types of wire bundles, end faces with different tilt angles can be cut, so that the ring cutting processing device has more functionality and a wider range of applications;

[0029] 4. The cutter limiter is integrally fitted to one side of the collar for sliding. Any device arranged on the other side of the collar will not affect the sliding of the cutter limiter along the collar, thereby maintaining the operational stability of the cutter limiter and achieving a better overall use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The disclosure of the present invention is described with reference to the accompanying drawings. It should be understood that the drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the drawings, the same reference numerals are used to refer to the same components. Among them:

[0031] Figure 1 It is a structural schematic diagram of the ring cutting processing device for producing electric wire harnesses of the present invention;

[0032] Figure 2 This is a schematic structural diagram of a plurality of cutter stoppers connected in accordance with Embodiment 3 of the present invention;

[0033] Figure 3 This is a schematic structural diagram of a cutter stopper according to Embodiment 3 of the present invention;

[0034] Figure 4 This is a schematic structural diagram of a plurality of cutter stoppers connected in accordance with Embodiment 1 of the present invention;

[0035] Figure 5 This is a schematic structural diagram of a cutter stopper according to Embodiment 1 of the present invention;

[0036] Figure 6 This is a schematic structural diagram of a plurality of cutter stoppers connected in accordance with Embodiment 2 of the present invention;

[0037] Figure 7 This is a schematic structural diagram of a cutter stopper according to Embodiment 2 of the present invention;

[0038] Figure 8 It is a front structural schematic diagram of a plurality of sleeve rings connected in the present invention;

[0039] Fig. 9 It is a schematic diagram of the back structure when multiple rings of the present invention are connected;

[0040] Fig.10 It is a schematic diagram of the structure when the auxiliary limiting member and the sleeve ring are connected in the present invention.

[0041] Explanations in the figure: 10, collar; 20, workpiece limit ring; 30, connecting rod; 40, circular slide; 50, cutter limit piece; 51, fixed base; 52, arc block; 53, right-angle rotation rod; 54, fixed rod; 55, sliding connection ball; 56, bolt connection hole; 57, tool placement seat; 58, connecting rope; 60, cutting knife; 61, fixing bolt; 70, connecting bolt; 80, wire through sleeve; 90, slide rod; 100, connecting spring; 110, auxiliary limit piece; 1101, adjusting bolt; 1102, pressing block; 1103, elastic pad; 120, inclined surface resistance block; 130, mounting ring. DETAILED DESCRIPTION

[0042] It is easy to understand that according to the technical solution of the present invention, without changing the essential spirit of the present invention, a person skilled in the art can propose a variety of interchangeable structural modes and implementation modes. Therefore, the following specific implementation modes and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the whole of the present invention or as a limitation or restriction to the technical solution of the present invention.

[0043] Example 1

[0044] like Figure 1 As shown, a circular cutting processing device for producing wire harnesses includes:

[0045] The collar 10 is provided with a cutter stopper 50 which is slidably mounted on the collar 10. The cutter stopper 50 slides along the circumferential direction of the collar 10. A cutting knife 60 is detachably mounted on the end of the cutter stopper 50.

[0046] During the cutting process of the wire harness, a circular groove 40 is opened at the middle position on the upper edge of the ring 10, and the cutter limiter 50 is slidably connected to the circular groove 40 opened on the ring 10, so that the cutter limiter 50 can move in a circle along the ring 10, and the workpiece can be cut from 360 degrees.

[0047] The workpiece limiting ring 20 is arranged inside the collar 10. The workpiece limiting ring 20 and the cutting knife 60 are located inside the workpiece limiting ring 20. The workpiece limiting ring 20 and the collar 10 are arranged concentrically. During the processing of the wire harness, the wire harness will be placed in the workpiece limiting ring 20. The workpiece limiting ring 20 is used to support the position of the wire harness, maintain the relative position between the wire harness and the cutting knife 60, and make the cutting position of the wire harness more accurate.

[0048] like Figure 2 As shown, the cutter stopper 50 includes a fixed base 51, an arc block 52, a right-angle rotation rod 53, a fixed rod 54, a sliding connection ball 55, a bolt connection hole 56 and a cutter placement seat 57;

[0049] When the cutter stopper 50 is slidably arranged on the collar 10, a sliding connection ball 55 is fixed at the middle position of the arc block 52 through a fixing rod 54, the arc block 52 is located on the outer wall of the collar 10, and the sliding connection ball 55 is located inside the collar 10;

[0050] The fixed base 51 and the arc block 52 are an integrated structure, and a "convex"-shaped structure is formed between the fixed base 51 and the arc block 52, so that the sliding of the whole composed of the fixed base 51 and the arc block 52 in the sleeve 10 is more stable;

[0051] Specifically, when the fixed base 51 is connected to the ring 10, the sliding connection ball 55 on the arc block 52 connected by the fixed rod 54 will be located in the circular groove 40 opened on the ring 10, and the arc block 52 will fit the surface of one side of the ring 10. The sliding connection ball 55 is located in the circular groove 40 and slides, so that the cutter limiter 50 is in a follow-up state, and the position of the cutter 60 can be adjusted. The sliding arranged in this way can make the cutter limiter 50 slide along one side of the ring 10, and other structures connected to the other side of the ring 10 will not affect the overall movement of the cutter limiter 50, and during the movement, its position is more stable, and no misalignment will occur, thereby maintaining the stability of the cutter 60 during the cutting process.

[0052] The cutter stopper 50 can be used to accommodate cutters 60 with different inclination angles, and different cutter stoppers 50 can be assembled and connected to each other, so that they are suitable for cutting wire bundles of different sizes, making their application range wider.

[0053] like Figure 2 As shown, a tool placement seat 57 is rotatably provided on the fixed base 51 on the opposite surface of the arc block 52, so that the tool placement seat 57 can be rotated around the right-angle rotation rod 53, so that the tool placement seat 57 can be adjusted at different angles. One end of the tool placement seat 57 is connected to the fixed base 51 through the right-angle rotation rod 53, and the other end of the tool placement seat 57 is detachably connected with a cutting knife 60. The tool placement seat 57 and the cutting knife 60 are fixedly connected by fixing bolts 61. The number of fixing bolts 61 can be selected according to the size of the cutting knife 60, so as to stabilize the position of the cutting knife 60. On the one hand, different types of tools can be used for different types of pipes, and on the other hand, the cutting knife 60 can be easily replaced after long-term use.

[0054] like Figure 4-5 As shown, a connecting rope 58 is connected to one end of the tool placement seat 57 near the cutting knife 60, and the other end of the connecting rope 58 is fixedly connected to the bottom of the fixed base 51;

[0055] When the connecting rope 58 is in use, the tool placement seat 57 is tilted relative to the fixed base 51 , and an inclined surface abutment block 120 is provided between the tool placement seat 57 and the fixed base 51 .

[0056] When the length of the right-angle rotation rod 53 is shorter than the length of the connecting rope 58 , the tool placement seat 57 is tilted downward, and the tip of the inclined surface resistance block 120 arranged between the tool placement seat 57 and the fixed base 51 faces the right-angle rotation rod 53 .

[0057] Specifically, the right-angle rotating rod 53 is shorter than the connecting rope 58, and the tool placement seat 57 is tilted downward to effectively cut the wire bundle that needs to be cut at an angle, so that the overall application range is wider;

[0058] After the angle of the tool placement seat 57 is adjusted, the connecting rope 58 is kept in a tensioned state by the extrusion and limiting of the inclined surface abutment block 120, so that the position of the tool placement seat 57 after tilting is stably limited, and the tool placement seat 57 will not shake during the process of the cutting knife 60 cutting the wire harness;

[0059] The inclined surface abutment block 120 is not provided with concave and convex parts. When the inclined surface abutment block 120 is squeezed into the space between the tool placement seat 57 and the fixed base 51, the friction between the inclined surface abutment block 120 and the fixed base 51 is increased, and the friction between the tool placement seat 57 and the inclined surface abutment block 120 is increased, so that the position of the inclined surface abutment block 120 between the two is more stable, and the actual application effect is better;

[0060] In addition, the position of the tool holder 57 is stabilized by pressing the inclined surface abutment block 120 , which is convenient for placement and removal during user operation, and the final overall structure is more stable and has better practical application effect.

[0061] Example 2

[0062] Different from Example 1, Figure 6-7 As shown, when the length of the right-angle rotation rod 53 is longer than the length of the connecting rope 58 , the tool placement seat 57 is tilted upward, and the tip of the inclined surface resistance block 120 arranged between the tool placement seat 57 and the fixed base 51 faces the connecting rope 58 .

[0063] Specifically, when the length of the connecting rope 58 is shorter than the right-angle rotation rod 53, the connecting rope 58 is in a tensioned state, which can cause the tool mounting seat 57 to tilt upward. Compared with the difference in Example 1, the inclination direction of the cutting knife 60 is finally reversed, so that the wire harness can be cut from different angles, which can further improve its scope of use.

[0064] The inclined surface abutment block 120 can help limit the connection rope 58 to maintain a tensioned state, and cooperate with the use of the right-angle rotation rod 53 to make the overall placement position of the tool placement seat 57 more stable.

[0065] Example 3

[0066] Different from Example 1, Figure 2-3 As shown, when the tool placement seat 57 is arranged in parallel with the fixed base 51, one end of the tool placement seat 57 is connected by a right-angle rotating rod 53, and the other end of the tool placement seat 57 is bolted to the fixed base 51. Through this structural setting, the tool placement seat 57 can be placed parallel to the fixed base 51, so that the wire harness can be cut horizontally, which can further improve its application range;

[0067] One end of the tool placement seat 57 is connected to a limit position by a right-angle rotating rod 53, and the other end is locked to the fixed base 51 by a bolt. The tool placement seat 57 can withstand greater force, which can make the overall stability of the tool placement seat 57 higher. It can be used for cutting some wire bundles with hard leather, further improving its scope of application.

[0068] Example 4

[0069] On the basis of Example 1, Example 2 or Example 3, Figure 1 As shown, when cutting workpieces of different sizes, a plurality of collars 10 of different sizes are concentrically arranged, and the cutter stoppers 50 on the collars 10 of different sizes are connected and fixed by connecting bolts 70 to keep the cutter stoppers 50 on the different collars 10 in the same straight line;

[0070] The cutting knife 60 is disposed in a cutting knife stopper 50 disposed on the innermost sleeve ring 10 . When the cutting knife 60 rotates, the cutting knife stoppers 50 located on different sleeve rings 10 rotate synchronously.

[0071] Preferably, Figure 1 As shown, when one collar 10 is provided, a workpiece limiting ring 20 is provided on the inner side of the collar 10, and the collar 10 and the workpiece limiting ring 20 are connected by a connecting rod 30, and the connecting rod 30 and the cutter limiting member 50 are located on opposite surfaces on both sides of the collar 10, and the workpiece limiting ring 20 and the collar 10 are concentrically arranged.

[0072] By setting the workpiece limiting ring 20, during the process of cutting the wire bundle, the wire bundle can be placed in the workpiece limiting ring 20 to keep the wire bundle in a stable position. During the process of cutting the wire bundle by the cutting knife 60, the wire bundle can be cut evenly, so that the cutting effect of the wire bundle is better.

[0073] like Figure 8 As shown, when only one ferrule 10 is provided, the wire harnesses of the same type and size can be processed by the integrated ring cutting processing device for producing the wire harnesses. The wire harnesses can be continuously cut without changing the equipment, thereby making the processing efficiency of the wire harnesses higher.

[0074] Preferably, when multiple rings 10 are provided, a workpiece limiting ring 20 is provided inside the innermost ring 10, the multiple rings 10 and the workpiece limiting ring 20 are concentrically provided, the multiple rings 10 are connected and limited by a connecting rod 30, the innermost ring 10 and the workpiece limiting ring 20 are connected and limited by a connecting rod 30, and a bolt connection hole 56 is opened through the fixed base 51.

[0075] like Fig. 9 As shown, a plurality of ferrules 10 can be provided, and the diameters of the ferrules 10 are different. The small ferrule 10 can be directly sleeved inside the large ferrule 10. When the wire harness is switched from a large size to a small size, there is no need to remove the large ferrule 10, and the small ferrule 10 can be directly installed inside the large ferrule 10. The cutter stoppers 50 on the large ferrule 10 and the small ferrule 10 are connected by connecting bolts 70, and the large ferrule 10 and the small ferrule 10 are limited and fixed by a connecting rod 30, so that the position between the large ferrule 10 and the small ferrule 10 can be stabilized, and the cutter stoppers 50 on different ferrules 10 can rotate synchronously, so that the movement process of the cutting knife 60 located at the innermost side can be smoother, and the cutting processing effect on the wire harness is better. At the same time, it can be applicable to cutting operations on wire harnesses of different sizes, so that its application range is wider.

[0076] The process of adding the integral collar 10 is simple. You only need to remove the cutter on the original cutter limiter 50. The cutter limiters 50 on different collars 10 are connected by connecting bolts 70. The cutter 60 is assembled on the innermost cutter limiter 50. At this time, the cutter 60 can be operated. The different collars 10 are fixed by connecting rods 30 to complete the overall assembly. The structural stability after assembly is high, and it will not affect the overall rotation of the cutter limiter 50, and the actual application effect is better.

[0077] Preferably, Fig.10 As shown, both sides of the collar 10 are provided with slide bars 90 in the threading direction, the slide bars 90 are fixed on the outer wall of the collar 10, the slide bars are arranged in a continuous vertical bending structure, the sliding part of the longest side is parallel to the threading direction of the wire bundle, through this structural arrangement, the slide bars 90 can not affect the rotation of the cutting knife 60 on the collar 10, the slide bars 90 are slidably provided with a wire penetration sleeve 80, and the wire penetration sleeve 80 is provided with an auxiliary limiting member 110 for extruding and limiting the wire;

[0078] The auxiliary limit member 110 includes an adjusting bolt 1101, a pressing block 1102 and an elastic pad 1103. The adjusting bolt 1101 is inserted into the wire through-hole sleeve 80. The end of the adjusting bolt 1101 is located inside the wire through-hole sleeve 80 and is rotatably connected to the pressing block 1102. An elastic pad 1103 is provided on the end surface of the pressing block 1102 that contacts the wire.

[0079] A mounting ring 130 is vertically fixed on the slide bar 90 near the ring 10, and a connecting spring 100 is provided between the mounting ring 130 and the wire penetration sleeve 80;

[0080] When the auxiliary limiting member 110 clamps and limits the electric wire, the connecting spring 100 presses the ring 10 until the electric wires on both sides of the ring 10 are in a tensioned state.

[0081] Specifically, before the wire bundle is cut, the wire bundle will first pass through the ring 10. The wire through-sleeves 80 arranged on both sides of the ring 10 will assist in limiting the wire bundle so that the wire bundle remains at the same level. In addition, the pressing block 1102 is driven to move by rotating the adjusting bolt 1101, and the pressing block 1102 is used to clamp and limit the wire bundle. Under the action of the connecting spring 100, the wire through-sleeve 80 will be squeezed so that the wires in the wire through-sleeve 80 always remain in a tensioned state, so that during the cutting process of the wire bundle, the cut part of the wire bundle will not be offset in position, the cutting accuracy is higher, and the actual application effect is better.

[0082] The technical scope of the present invention is not limited to the contents in the above description. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of ​​the present invention, and these deformations and modifications should all fall within the protection scope of the present invention.

Claims

1. A circular cutting processing device for producing electric wire harnesses, characterized in that: include A collar (10), wherein a cutter stopper (50) is slidably provided on the collar (10), wherein the cutter stopper (50) slides along the circumferential direction of the collar (10), and a cutting knife (60) is detachably provided at the end of the cutter stopper (50); The cutter stopper (50) comprises a fixed base (51), an arc block (52), a right-angle rotating rod (53), a fixed rod (54), a sliding connection ball (55), a bolt connection hole (56) and a cutter placement seat (57); When the cutter stopper (50) is slidably arranged on the collar (10), a sliding connection ball (55) is fixed at the middle position of the arc block (52) via a fixing rod (54), the arc block (52) is located on the outer wall of the collar (10), and the sliding connection ball (55) is located inside the collar (10); The fixed base (51) and the arc-shaped block (52) are an integrated structure, and a "convex"-shaped structure is formed between the fixed base (51) and the arc-shaped block (52); A tool placement seat (57) is rotatably provided on the fixed base (51) on the surface opposite to the arc block (52); one end of the tool placement seat (57) is connected to the fixed base (51) via a right-angle rotating rod (53); and a cutting knife (60) is detachably connected to the other end of the tool placement seat (57); The fixed base (51) is provided with a bolt connection hole (56) extending therethrough.

2. The circular cutting processing device for producing electric wire harnesses according to claim 1, characterized in that: A connecting rope (58) is connected to one end of the tool placement seat (57) close to the cutting knife (60), and the other end of the connecting rope (58) is fixedly connected to the bottom of the fixed base (51); When the connecting rope (58) is in use, the tool placement seat (57) is tilted relative to the fixed base (51), and an inclined surface abutment block (120) is provided between the tool placement seat (57) and the fixed base (51).

3. The circular cutting processing device for producing electric wire harnesses according to claim 2, characterized in that: When the length of the right-angle rotating rod (53) is shorter than the length of the connecting rope (58), the tool placement seat (57) is tilted downward, and the tip of the inclined surface abutment block (120) arranged between the tool placement seat (57) and the fixed base (51) faces the right-angle rotating rod (53).

4. The circular cutting processing device for producing electric wire harnesses according to claim 2, characterized in that: When the length of the right-angle rotating rod (53) is longer than the length of the connecting rope (58), the tool placement seat (57) is tilted upward, and the tip of the inclined surface abutment block (120) arranged between the tool placement seat (57) and the fixed base (51) faces the connecting rope (58).

5. The circular cutting processing device for producing electric wire harnesses according to claim 1, characterized in that: When the tool placement seat (57) is arranged in close proximity and parallel to the fixed base (51), one end of the tool placement seat (57) is connected via a right-angle rotating rod (53), and the other end of the tool placement seat (57) is bolted to the fixed base (51).

6. A circular cutting processing device for producing electric wire harnesses according to claims 1-5, characterized in that: When cutting workpieces of different sizes, a plurality of collars (10) of different sizes are concentrically arranged, and the cutter stoppers (50) on the collars (10) of different sizes are connected and fixed by connecting bolts (70) to keep the cutter stoppers (50) on the different collars (10) on the same straight line; The cutting knife (60) is arranged in a cutting knife stopper (50) arranged on the innermost sleeve ring (10), and when the cutting knife (60) rotates, the cutting knife stoppers (50) located on different sleeve rings (10) rotate synchronously.

7. The circular cutting processing device for producing electric wire harnesses according to claim 1, characterized in that: When one collar (10) is provided, a workpiece limiting ring (20) is provided inside the collar (10), the collar (10) and the workpiece limiting ring (20) are connected via a connecting rod (30), the connecting rod (30) and the cutter limiting member (50) are located on opposite sides of the collar (10), and the workpiece limiting ring (20) and the collar (10) are concentrically arranged.

8. The circular cutting processing device for producing electric wire harnesses according to claim 1, characterized in that: When a plurality of the collars (10) are provided, a workpiece limiting ring (20) is provided inside the innermost collar (10), the plurality of collars (10) and the workpiece limiting ring (20) are all arranged concentrically, the plurality of collars (10) are connected and limited by a connecting rod (30), and the innermost collar (10) and the workpiece limiting ring (20) are connected and limited by a connecting rod (30).

9. The circular cutting processing device for producing electric wire harnesses according to claim 1, characterized in that: Slide bars (90) are provided on both sides of the ring (10) in the threading direction, a wire penetration sleeve (80) is slidably provided on the slide bar (90), and an auxiliary limiting member (110) for squeezing and limiting the wire is provided on the wire penetration sleeve (80); The auxiliary limiting member (110) comprises an adjusting bolt (1101), a pressing block (1102) and an elastic pad (1103); the adjusting bolt (1101) is inserted into the wire through-hole sleeve (80); the end of the adjusting bolt (1101) is located inside the wire through-hole sleeve (80) and is rotatably connected to the pressing block (1102); and the elastic pad (1103) is provided on the end surface of the pressing block (1102) that contacts the wire.

10. A circular cutting processing device for producing electric wire harnesses according to claim 9, characterized in that: A mounting ring (130) is vertically fixed on the slide bar (90) at a position close to the sleeve ring (10), and a connecting spring (100) is provided between the mounting ring (130) and the wire penetration sleeve (80); When the auxiliary limiting member (110) clamps and limits the electric wire, the connecting spring (100) presses the collar (10) until the electric wires on both sides of the collar (10) are in a tensioned state.

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