TWI754826B - Cutting device and method - Google Patents

Abstract

The invention relates to a technical filed of cable processing equipment and discloses a cutting device and method. The cutting device includes: a positioning mechanism including a positioning member, the positioning member being configured to penetrate an end of a cable to press an everting protective layer to make the protective layer and an outer layer of the cable attach to each other, the cable being electrically connected to a workpiece, the positioning member being connected to the workpiece; and a laser cutting mechanism located at a side of the positioning mechanism, the laser cutting mechanism being capable of cutting the protective layer at a side of the positioning member. The cutting device is stable and universal and improves the quality of products and the efficiency of production. Meanwhile, by the positioning member connected to the workpiece, the positioning member is for fixing the cable to the workpiece to ensure the stability of structure between the cable and the workpiece.

Description

Cutting device and method

The present invention relates to the technical field of cable processing equipment, and in particular, to a cutting device and method.

Cable is a general term for optical cables and cables, which are mainly used for multiple functions such as control installation, connection equipment, and power transmission. The cable includes a sheath, a protective layer and a wire from the outside to the inside, and the protective layer is specifically braided wire or bulletproof wire. The braided wire usually needs to be cut to facilitate wire connection.

The existing processing methods of braided wire or bulletproof wire usually have two types: manual and punching. The former manual method is that the operator uses scissors to remove the braided wire, which has higher requirements on the operator, low production efficiency, and has the advantages of incomplete cleaning and shearing. The risk of wires makes it difficult to ensure the quality of the finished product; the latter stamping method needs to be equipped with matching stamping equipment for different cables, which has higher requirements on the equipment, has strong limitations, and is less versatile.

The purpose of the present invention is to provide a cutting device and method, which has good stability and strong versatility, and can improve the quality of the finished product and the production efficiency.

For this purpose, the present invention adopts the following technical solutions: a cutting device, comprising: A positioning mechanism, the positioning mechanism includes a positioning member, the positioning member is configured to be penetrated at one end of the cable, and presses the outwardly turned protective layer, so that the protective layer is in contact with the outer skin of the cable Fitting, when the cable is electrically connected to the workpiece, the positioning member is connected to the workpiece; a laser cutting mechanism is located on one side of the positioning mechanism, and the laser cutting mechanism can cut a position located on a side of the positioning member. the protective layer on the side.

Preferably, the positioning member includes a connecting portion, and the connecting portion is provided with a through hole for passing the cable.

Preferably, the positioning member further includes a first extension arm, one end of the first extension arm is connected to one side of the connecting portion, and the other end is connected to the circuit board of the workpiece.

Preferably, the positioning member further includes a second extension arm, one end of the second extension arm is connected to the other side of the connecting portion, and the other end is abutted against the shell of the workpiece.

Preferably, an isolation layer is further included, and the isolation layer is arranged between the outer skin and the protective layer.

Preferably, the positioning mechanism further includes a carrier, and the carrier is provided with an accommodating cavity for accommodating the cable.

Preferably, the positioning mechanism further includes a fixing component disposed on the carrier, and the fixing component is used for threading and fixing the cable.

Preferably, the fixing assembly includes: a base, which is provided with a through groove along its length direction, and the through groove is used for the cable to pass through; The base is rotatably connected, the other The end is clamped on the base.

Preferably, it also includes a driving mechanism, the driving mechanism includes: a rotary driving source; a turntable, one side of which is connected to the output end of the rotary driving source, and the other side is used for installing the positioning mechanism.

Preferably, the number of the positioning mechanisms is multiple, and the multiple positioning mechanisms are evenly arranged at intervals along the circumferential direction of the turntable.

In order to achieve the above purpose, the present invention also provides a cutting method, using the above cutting device, comprising the following steps: wrapping the isolation layer on the outer skin of the cable close to one end of the protective layer; The cable is placed on one end of the cable for pressing, so that the two sides of the isolation layer are in contact with the protective layer and the outer skin respectively; the cable is placed on the carrier and fixed by the fixing component; the rotary drive source drives the turntable and drives the assembly The body rotates to the position of the laser cutting mechanism, and the laser cutting mechanism cuts the protective layer on one side of the positioning member.

Beneficial effects of the present invention:

The cutting device provided by the present invention cuts the protective layer on one side of the positioning member by setting a laser cutting mechanism, and uses a laser method to cut the protective layer. Compared with the manual cutting method in the prior art, the labor intensity of the operator is reduced. , the production efficiency is high, and the cleaning is thorough, and the wire will not be cut, which ensures the quality of the finished product; compared with the existing punching method, only the corresponding positioning mechanism needs to be configured to fix the cable, and the laser cutting mechanism can cut The protective layer saves equipment costs and has strong versatility. At the same time, by setting the positioning member is configured to wear It is set at one end of the cable and presses the outwardly turned protective layer, so that the protective layer is attached to the outer skin of the cable. The cutting accuracy of the laser cutting mechanism, and the positioning parts play a protective role on the cable, so that the laser cutting mechanism will not damage the cable and effectively improve the quality of the finished product. In addition, when the cable that has been cut is connected to the workpiece, it is connected to the workpiece through a positioning member, and the positioning member is used to fix the cable on the workpiece to ensure structural stability between the cable and the workpiece.

The invention also provides a cutting method, which adopts a laser cutting mechanism to cut the protective layer, has good stability and strong versatility, and can improve the quality of the finished product and the production efficiency.

1: Positioning mechanism

20: Cable

200: skin

201: Protective Layer

202: Wire

30: Workpiece

300: circuit board

301: Shell

11: Positioning pieces

12: Vehicle

13: Fixed components

111: Connection part

112: The first extension arm

113: Second extension arm

121: accommodating cavity

131: Pedestal

132: Spindle

133: Cover

1 is a schematic structural diagram of a positioning mechanism in the cutting device of the present invention; FIG. 2 is a structural schematic diagram of a positioning member passing through a cable in the cutting device of the present invention; FIG. 3 is a structural schematic diagram of the positioning member in the cutting device of the present invention; The structural schematic diagram of the positioning member and the cable connecting the workpiece together in the cutting device of the invention; and FIG. 5 is the structural schematic diagram of FIG. 4 at I.

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below in conjunction with the drawings. Obviously, the described embodiments are only the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature level is higher than the second feature. The first feature being "below", "below" and "below" the second feature includes that the first feature is directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The technical solutions of the present invention will be further described below with reference to the drawings and specific embodiments.

This embodiment provides a cutting device for cutting the protective layer 201 of the cable 20 . The protective layer 201 specifically refers to braided wire or bulletproof wire. As shown in FIGS. 1-4 , the cutting device includes a positioning mechanism 1 and a laser cutting mechanism , the positioning mechanism 1 is used for positioning and limiting the workpiece 30 , the positioning mechanism 1 includes a positioning member 11 , and the positioning member 11 is used for fixing the cable 20 to ensure the cutting accuracy of the laser cutting mechanism. When the protective layer 201 of the cable 20 needs to be cut, the protective layer 201 is manually turned over first, and then the positioning member 11 is configured to pass through one end of the cable 20 to press against the outwardly turned protective layer 201 so as to protect the The layer 201 is attached to the outer skin 200 of the cable 20 for fixed protection The role of layer 201. The laser cutting mechanism is located on one side of the positioning mechanism 1 , and the laser cutting mechanism can cut the protective layer 201 located on one side of the positioning member 11 . After the protection layer 201 is cut, the cable 20 is electrically connected to the workpiece 30 , and the positioning member 11 is connected to the workpiece 30 to fix the cable 20 on the workpiece 30 .

In the cutting device provided in this embodiment, the protective layer 201 located on one side of the positioning member 11 is cut by a laser cutting mechanism, and the protective layer 201 is cut by a laser method, which reduces the operation time compared with the manual cutting method in the prior art. The labor intensity of personnel is high, the production efficiency is high, and the cleaning is thorough, and the cable 20 will not be cut, and the quality of the finished product is guaranteed; compared with the punching method in the prior art, only one pair of cables 20 needs to be equipped with a corresponding positioning mechanism. After fixing, the laser cutting mechanism can cut the protective layer 201, which saves the equipment cost and has strong versatility. At the same time, by setting the positioning member 11 to be configured to pass through one end of the cable 20, the protective layer 201 turned outward is pressed, so that the protective layer 201 is attached to the outer skin 200 of the cable 20, and the positioning member 11 defines The position of the laser cutting ensures the stability of the positioning of the cable 20, thereby ensuring the cutting accuracy of the laser cutting mechanism, and the 11 positioning pieces play a protective role for the cable 20, so that the laser cutting mechanism will not damage the wire. The cable 20 can effectively improve the quality of the finished product. In addition, when the cable 20 that has been cut is connected to the workpiece 30, it is connected to the workpiece 30 through the positioning member 11, and the positioning member 11 is used to fix the cable 20 on the workpiece 30 to ensure the connection between the cable 20 and the workpiece 30. structural stability.

In order to improve production efficiency, the cutting device also includes a drive mechanism (not shown in the figure), wherein the drive mechanism includes a rotary drive source and a turntable, the rotary drive source is specifically a rotary motor, and one side of the turntable is connected to the output end of the rotary drive source , and the other side is used to fix the positioning mechanism 1. At the same time, the number of positioning mechanisms 1 is multiple, and the multiple positioning mechanisms 1 are evenly spaced along the circumferential direction of the turntable. match. The rotary drive source drives the turntable to rotate until one of the positioning mechanisms 1 is located directly below the laser cutting mechanism. After the laser cutting mechanism is cut, the rotary drive source drives the turntable again to rotate until the next positioning mechanism 1 is directly opposite the laser cutting mechanism.

In order to further ensure the positioning effect of the cable 20 , as shown in FIG. 1 , the positioning mechanism 1 further includes a carrier 12 and a fixing assembly 13 arranged on the carrier 12 , and the carrier 12 is provided with an accommodation cavity for accommodating the cable 20 . 121, the fixing assembly 13 is used for passing the cable 20 and fixing it. Specifically, the fixing assembly 13 includes a base 131 and a cover 133 , the base 131 is provided with a through groove along its length direction, the through groove is used for the cable 20 to pass through, and one end of the cover 133 is rotatably connected to the base 131 through a rotating shaft 132 , and the other end is clamped to the base 131 . When the cable 20 needs to cut the protective layer 201, release the clamping connection between the cover 133 and the base 131, and rotate the cover 133 away from the base 131 through the rotating shaft 132, so as to open the base 131 to facilitate the cables 20 is put into the through groove, and then the cover plate 133 is rotated in the opposite direction, and the cover plate 133 and the base 131 are clamped together, so as to fix the cable 20 . By setting the fixing component 13, the area on the carrier 12 that needs to be lasered is determined, which ensures the stability and reliability of the laser.

As shown in FIG. 2 , the positioning member 11 includes a connecting portion 111 , and a circular ring extends on the connecting portion 111 . The connecting portion 111 and the circular ring form a through hole (as shown in FIG. 3 ) for the cable 20 to pass through. The hole is used to fit the everted protective layer 201 with the outer skin 200 of the cable 20, which plays a role of pressing and fixing, and ensures the stability of the structure. The purpose of protecting the cable 20 is achieved, and the accuracy of cutting and the orderliness of the cut of the protective layer 201 are ensured.

In order to further protect the cable 20, the cutting device further includes an isolation layer (not shown in the figure), the isolation layer is specifically tissue paper, and the isolation layer is wrapped on the outside of the outer skin 200 and is close to the positioning member On one side of 11, after the protective layer 201 is everted, the isolation layer is arranged between the outer skin 200 and the protective layer 201, and the isolation layer plays a role of isolation, so as to achieve the effect of protecting the outer skin 200 and reduce the impact of the laser cutting mechanism on the outer skin 200. damage.

As shown in FIGS. 2-5 , in order to facilitate fixing the cut cable 20 and the workpiece 30 , the positioning member 11 further includes a first extension arm 112 and a second extension arm 113 , the first extension arm 112 and the second extension arm 113 have the same structure and are symmetrically arranged on both sides of the connecting portion 111 respectively. As shown in FIGS. 3-4 , the workpiece 30 specifically includes a casing 301 and a circuit board 300 disposed inside the casing 301 . The casing 301 has a circular structure. After the wires 202 in the cable 20 are electrically connected to the circuit board 300 , the second One end of the extension arm 113 is connected to the other side of the connecting portion 111 , and the other end can abut on the inner wall of the housing 301 of the workpiece 30 . The second extension arm 113 serves to fix the cable 20 ; the first extension arm 112 One end of the cable is connected to one side of the connecting portion 111 , and the other end can be welded to the circuit board 300 of the workpiece 30 to provide the grounding function of the cable 20 and the housing 301 and reduce the risk of electric shock. Optionally, both the first extension arm 112 and the second extension arm 113 abut against the circuit board 300 and the housing 301 .

This embodiment also provides a cutting method, using the above-mentioned cutting device, including the following steps: wrapping the isolation layer on the outer part of the outer sheath 200 of the cable 20 close to the end of the protective layer 201; The component 11 is set on one end of the cable 20 for pressing, so that the two sides of the isolation layer are respectively attached to the protective layer 201 and the outer skin 200; the cable 20 is placed on the carrier 12 and fixed by the fixing component 13; rotate The driving source drives the turntable and drives the assembly to rotate to the position of the laser cutting mechanism, and the laser cutting mechanism cuts the protective layer 201 on one side of the positioning member 11 .

The cutting method also provided in this embodiment uses a laser cutting mechanism to cut the protective layer 201, which has good stability and strong versatility, and can improve the quality of the finished product and the production efficiency.

In the description herein, it should be understood that the terms “upper”, “lower”, “right”, etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplified operation. It is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

In the description of this specification, reference to the description of the terms "an embodiment", "example", etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention middle. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

In addition, the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention. The scope is determined by the attached patent application scope.

1: Positioning mechanism

20: Cable

11: Positioning pieces

12: Vehicle

13: Fixed components

121: accommodating cavity

131: Pedestal

132: Spindle

133: Cover

Claims (9)

A cutting device, comprising: a positioning mechanism, the positioning mechanism includes a positioning member, the positioning member includes a connecting portion, the connecting portion is provided with a through hole for a cable to pass through, the positioning member is configured to pass through At one end of the cable, the through hole presses a protective layer that is turned outward, so that the protective layer is attached to an outer skin of the cable. When the cable is connected to a workpiece, the positioning member is connected to the workpiece; an isolation layer, the isolation layer is arranged between the outer skin and the protective layer; and a laser cutting mechanism located on one side of the positioning mechanism, the laser cutting mechanism can cut the protection located on one side of the connecting portion Floor. The cutting device according to claim 1, wherein the positioning member further comprises a first extension arm, one end of the first extension arm is connected to one side of the connecting portion, and the other end is used to connect to a circuit board of the workpiece . The cutting device according to claim 2, wherein the positioning member further comprises a second extension arm, one end of the second extension arm is connected to the other side of the connecting portion, and the other end is used for abutting against the workpiece. a shell. The cutting device according to claim 1, wherein the positioning mechanism further comprises a carrier, the carrier is provided with a accommodating cavity for accommodating the cable. The cutting device according to claim 4, wherein the positioning mechanism further comprises a fixing component disposed on the carrier, and the fixing component is used for passing through and fixing the cable. The cutting device according to claim 5, wherein the fixing component comprises: a base, and a through groove is formed on the base, and the through groove is used for the cable to pass through; and A cover plate, one end of the cover plate is rotatably connected to the base through a rotating shaft, and the other end is clamped to the base. The cutting device according to claim 1, further comprising a driving mechanism, the driving mechanism comprising: a rotary driving source; and a turntable, one side of which is connected to an output end of the rotary driving source, and the other side is used for installation the positioning mechanism. The cutting device according to claim 7, wherein the number of the positioning mechanisms is multiple, and the multiple positioning mechanisms are evenly spaced along the circumferential direction of the turntable. A cutting method, using the cutting device as described in any one of claims 1 to 8, the cutting method comprising the steps of: wrapping an isolation layer on the outside of an outer sheath of a cable close to an end of a protective layer; After the protective layer is everted, a positioning piece is set on one end of the cable to press against, so that the two sides of the isolation layer are respectively attached to the protective layer and the outer skin; the cable is placed on a carrier and fixed by a fixing component; and a rotary drive source drives a turntable and drives an assembly to rotate to the position of a laser cutting mechanism, and the laser cutting mechanism cuts the protective layer on one side of the positioning member.

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