CN201562920U - Tube cutter for cable stripping - Google Patents

Abstract

The utility model relates to a pipe cutter for cable stripping. Two limiting planes for restricting the circumferential rotation of the telescopic screw are axially and symmetrically arranged on the telescopic screw, and a tool holder casing is axially provided on the front part of the telescopic screw. , the inner sleeve of the knife holder sleeve is provided with a cutter holder, and the position near the rear end of the cutter holder is axially provided with a cross card slot for limiting the 90-degree rotation of the cutter holder, and the front end of the cutter holder is clamped with a blade. A positioning pin for locating the knife rest is arranged in the knife rest sleeve. A spring is arranged between the pin shaft in the knife rest sleeve and the rear end of the knife rest sleeve. The utility model not only can rotate and cross-cut the cable insulating sheath, but also can strip the cable insulating sheath and core wire longitudinally. The structure is simple and the operation is convenient. It avoids the injury of cable strippers who use ordinary knives during the stripping process, and also reduces the labor intensity of strippers, greatly improves the efficiency and quality of cable stripping, and reduces the workload of operators.

Description

Tube cutter for cable stripping

technical field

The utility model relates to a pipe cutter for cable stripping.

Background technique

Now XLPE insulated power cables have been widely used, and the cable head also adopts heat-shrinkable prefabricated and cold-shrinkable cable accessories. When making the cable head, the XLPE cable must be stripped and cut. However, XLPE power cables are polymer materials, which are not easy to peel and cut. At present, electrician's knife or wallpaper knife is generally used for stripping and cutting cross-linked cables, which has the following defects: the thicker blade of the electrician's knife is not easy to cut through the main insulation layer; the thinner blade of the wallpaper knife can cut into the main insulation layer at a time However, the blade is easily bent and broken when using force. Careless operation and uncontrollable peeling of the outer skin and armor will damage the indestructible insulating layer, causing personal injury to the staff. At the same time, it is inevitable that the quality and process of cable production will decline.

In actual work, a hacksaw cuts off the armor, and an electrician's knife or a wallpaper knife is used to perform axial slitting and strip off the insulation layer. This tool has a single function and requires other tools to cooperate with the operation, so the work efficiency is not high.

Utility model content

The purpose of the utility model is to provide a power cable wire stripper that can not only rotate and cut horizontally but also longitudinally, and improve the efficiency and quality of stripping.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a pipe cutter for cable stripping, the front end of the pipe cutter body is provided with two rollers in the transverse direction, and the rear part of the pipe cutter body is provided with a roller opposite to the rollers. The sleeve pipe is provided with a telescopic screw rod, and the telescopic screw rod is threadedly connected with the adjusting nut provided in the middle of the pipe cutter body, and the adjusting nut is movably matched with the pipe cutter body. The telescopic screw is axially symmetrically provided with two limiting planes for limiting the circumferential rotation of the telescopic screw, and the limiting planes are in close contact with the limiting planes provided in the casing. The front part of the telescopic screw is axially provided with a knife holder sleeve, the knife holder sleeve is provided with a cutter frame, and the position near the rear end of the cutter frame is axially provided with a 90-degree rotation limit for the cutter frame. The cross card slot, the front end of the cutter frame is clamped with a blade. The position corresponding to the cross card slot in the knife holder sleeve is provided with a positioning pin for positioning the knife holder, and the two ends of the positioning pin are placed on the telescopic screw between the two limiting planes. Some pin holes.

In the above-mentioned pipe cutter for cable stripping, a spring is arranged between the pin shaft in the sleeve of the knife holder and the rear end of the sleeve of the knife holder. It is used for rotary cutting and stripping irregular round or different thickness cable jackets. That is, under the action of the spring at the rear end of the cutter frame, the blade will always contact with the surface of the irregular circular or fan-shaped cable and cut inward continuously, so as to achieve the purpose of completely cutting the cable jacket and avoid damaging the wire core.

In the above-mentioned pipe cutter for cable stripping, the rollers extend axially to both sides of the front end of the pipe cutter body. The purpose is to support the cable better, avoid its twisting, and facilitate the longitudinal cutting and stripping of the outer sheath of the cable.

In the above-mentioned pipe cutter for cable stripping, the blade is a circular rolling blade, or a rectangular serrated blade, or a sharp knife head. For cable jackets with different thicknesses or different strengths, different blades can be used for cutting armor and cutting steel and aluminum cores, so as to achieve the purpose of cutting and stripping the insulation layer and improving the efficiency of cutting and stripping.

The beneficial effect of the utility model is that: the position close to the rear end of the cutter frame is axially provided with a cross card slot for the 90-degree rotation limit of the cutter frame, and the position corresponding to the cross card slot in the knife frame sleeve is provided with a It is used to locate the positioning pin of the cutter holder. The knife holder can be rotated and positioned by 90 degrees. Not only can the cable insulation sheath or steel-aluminum core be cut horizontally by rotation, but also the cable insulation sheath can be stripped longitudinally. It is convenient to peel and cut, and the operation is simple. The roller shaft is used to extend outward to both sides of the front end of the pipe cutter body. It is convenient to better support the cable, avoid its twisting, and the different depths will damage the insulation, which is conducive to cutting and stripping. A spring is arranged between the pin shaft in the knife rest sleeve and the rear end of the knife rest sleeve. It can rotate and cut fan-shaped single-phase insulation layer and cut off steel and aluminum core.

The utility model has the advantages of simple structure and convenient operation. It avoids the injury of the cable stripping and cutting personnel using ordinary knives during the stripping process, and also reduces the labor intensity of the power cable stripping and cutting personnel, and has high on-site practical value. The efficiency and quality of cable stripping and cutting are greatly improved, and the workload of operators is reduced.

Other advantages, objectives and features of the present utility model will be set forth in the following description to some extent, and to some extent, based on the investigation and research below, it will be obvious to those skilled in the art, or can be Get teaching from the practice of the utility model. The objectives and other advantages of the utility model can be realized and obtained by the structure particularly pointed out in the following description, claims, and accompanying drawings.

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

Description of drawings

Fig. 1 is a schematic diagram of the front view of the utility model;

Fig. 2 is A-A sectional enlarged schematic diagram among Fig. 1;

Fig. 3 is the B-B sectional enlarged schematic diagram among Fig. 1;

Fig. 4 is a schematic top view of the front end of the pipe cutter body of the present invention;

Fig. 5 is a schematic diagram of axial cutting of the utility model.

Marks in the picture: 1-pipe cutter body 2-telescopic screw 3-spring 4-adjusting nut 5-location pin 6-cutter frame 7-blade 8-roller 9-cross card slot 10-sleeve

Detailed ways

As shown in Figure 1, Figure 2, Figure 3, and Figure 4, a pipe cutter for cable stripping is provided. The front end of the pipe cutter body 1 is horizontally provided with two rollers 8, and the rear part of the pipe cutter body 1 is provided with The sleeve pipe 10 relative to the roller is provided with a telescopic screw rod 2 in the sleeve pipe, and the telescopic screw rod is threadedly connected with the adjusting nut 4 provided at the middle part of the pipe cutter body, and the adjustment nut is movably matched with the pipe cutter body. The telescopic screw is axially symmetrically provided with two limiting planes for limiting the circumferential rotation of the telescopic screw, and the limiting planes are in close contact with the limiting planes provided in the casing. The front portion of the telescopic screw rod is axially provided with a knife holder sleeve, the knife holder sleeve is provided with a cutter holder 6, and the position near the rear end of the cutter holder is axially provided with a 90-degree rotation limit for the cutter holder. The cross card slot 9, the front end clamp of the knife rest is equipped with blade 7. The position corresponding to the cross card slot in the knife holder sleeve is provided with a positioning pin 5 for positioning the knife holder, and the two ends of the positioning pin are placed on the telescopic screw between the two limiting planes In the provided pin hole.

A cable outer insulating sleeve spring 3 for rotating and stripping sector-shaped wire cores is provided between the pin shaft in the knife holder sleeve and the rear end of the knife holder sleeve.

In order to better support the cable, avoid its twisting, resulting in different shades, which is conducive to cutting and stripping. The rollers extend axially to both sides of the front end of the pipe cutter body, so that the rollers are lengthened.

The blade is a circular rolling blade, or a rectangular serrated blade, or a sharp blade. For different cutting and stripping purposes, different blades can be replaced to achieve the purpose of improving the cutting and stripping efficiency. When encountering difficult-to-cut cable sheaths, the rectangular serrated blade can be replaced to increase cutting strength and speed.

When in use, first select the direction of cutting and stripping. If cutting and stripping horizontally, make the blade 7 perpendicular to the axis of the roller 8, put the cutter frame 6 into the knife frame sleeve at the front end of the telescopic screw 2, and make the cross at the rear of the cutter frame 6 The corresponding card slot in the card slot 9 clamps the positioning pin 5, screw in the adjusting nut 4 to make the blade 7 press the cable to be cut, rotate the pipe cutter body 1, and screw in the adjusting nut 4, after the cutting thickness reaches the requirement That is to complete the horizontal cutting and stripping; while cutting, under the action of the spring 3 at the rear end of the cutter frame 6, the blade 7 will always contact the surface of the irregular circular or fan-shaped cable and continuously cut inwards to achieve complete cutting of the cable The purpose of the jacket is to avoid damaging the core.

After the horizontal cutting and stripping of the cable is completed, if the axial cutting and stripping of the cable is required, the cross card slot 9 of the cutter frame 6 is pulled out of the positioning pin shaft 5 from the knife frame sleeve at the front end of the telescopic screw 2, and rotated 90 degrees Clamp the positioning pin shaft 5, and the blade 7 is parallel to the axis of the roller 8, then the axial cutting and stripping of the cable can be carried out.

If it is difficult to cut and strip the cable jacket, the rectangular serrated blade can be replaced to increase the cutting strength and speed. Improve work efficiency.

Tubes can be cut with either a circular rolling blade or a rectangular serrated blade.

The utility model can not only cut pipe fittings, but also cut and strip cables or optical cables. When cutting and stripping cables or optical cables, it can not only cut and strip horizontally, but also can cut and strip axially. When changing the direction of the cutting knife, it is only necessary to rotate and position the cutting knife holder. Greatly improve the cutting and stripping efficiency and quality of the cable; at the same time, avoid the use of ordinary knives to harm the operator. The structure is simple, easy to operate, easy to replace and maintain, and provides an effective working tool for cutting and stripping cables or optical cables.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model without limitation, other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solution of the utility model, as long as they do not depart from the technical solution of the utility model The spirit and scope should be included in the claims of the present utility model.

Claims (4)

1. cable wire stripping casing knife, the front end of casing knife body (1) laterally is provided with 2 rollers (8), the rear portion of casing knife body (1) be provided with roller with respect to sleeve pipe (10), be provided with flexible screw rod (2) in the sleeve pipe, flexible screw rod is threaded with the adjusting nut (4) that casing knife body middle part is provided with, adjusting nut cooperates with the casing knife body is movable, it is characterized in that: axially be arranged with 2 on the described flexible screw rod and be used to limit the spacing plane that flexible screw rod rotates in a circumferential direction, the spacing plane that is provided with in this spacing plane and the described sleeve pipe closely contacts; The front portion of described flexible screw rod is axially arranged with a knife rest sleeve pipe, be arranged with cutoff knife rack (6) in this knife rest sleeve pipe, cutoff knife rack is axially arranged with the cross draw-in groove (9) that is used for cutoff knife rack 90 degree rotary stoppers near the position of rear end, and the front end of cutoff knife rack has clamped blade (7); Position corresponding to described cross draw-in groove in the described knife rest sleeve pipe is provided with the alignment pin (5) that is used to locate cutoff knife rack, and the both ends of alignment pin place in the pin shaft hole that the flexible screw rod between 2 spacing planes is provided with.

2. according to the described cable wire stripping of claim 1 casing knife, it is characterized in that: be provided with a spring (3) between bearing pin in the described knife rest sleeve pipe and the knife rest sleeve pipe rear end.

3. according to the described cable wire stripping of claim 1 casing knife, it is characterized in that: described roller shaft is to the front end both sides that extend to the casing knife body.

4. according to the described cable wire stripping of claim 1 casing knife, it is characterized in that: described blade is the circular scrolling blade, perhaps rectangle indented knife, perhaps sharp-pointed cutter head.

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