CN209767018U - automatic positioning circular cutting wire stripper - Google Patents

Abstract

The utility model discloses an automatic location circular cutting wire stripping pliers, including last handle assembly, lower handle assembly and go up handle assembly and the lower spring between the handle assembly, go up through bolted connection between handle assembly and the lower handle assembly, go up handle assembly lower extreme and be equipped with the interior clamp plate, the tight arm of interior clamp plate lower part clamp, press from both sides tight arm sleeve and establish under on the handle assembly, be equipped with tight pulley assembly and knife rest assembly down on the handle assembly, the knife rest assembly includes the knife rest body and is fixed in the blade on the knife rest body, the most advanced cutting position of blade is located the upper portion of tight pulley assembly. The wire stripper can realize positioning and clamping of cables, is convenient to use and simple to operate, can quickly and simply realize the functions of cutting and stripping wires, has flat cable sections, and improves the wire stripping speed and wire stripping effect.

Description

Automatic positioning circular cutting wire stripper

Technical Field

the utility model relates to a cable wire stripping instrument technical field, concretely relates to automatic centering location circular cutting wire stripping pliers.

Background

In the field of electrical automation, a large number of cables such as power cables, control cables, etc. are installed in various devices to perform desired functions. The cable is generally formed by placing a plurality of mutually insulated conductive wires in a sealed sheath, and in use, a constructor usually peels off the outer skin of the cable by using a wire stripping tool (a wallpaper knife or other conventional wire strippers) and respectively connects the conductive wires inside the cable with corresponding equipment at a connection part according to different functional requirements. When the tool is used, the insulating layer of the internal conducting wire is easily damaged by improper operation, so that great potential safety hazards exist, and in severe cases, the cable is in short circuit with other circuits in use, so that safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing an automatic location circular cutting wire stripping pliers, this wire stripping pliers can realize the automatic positioning centering centre gripping to the cable conductor, and convenient to use easy operation can be quick simple and direct realization safety wire stripping function, and the cable tangent plane levels, has improved the speed and the wire stripping effect of wire stripping.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

An automatic positioning girdling wire stripper comprises an upper handle assembly, a lower handle assembly and a spring between the upper handle assembly and the lower handle assembly, wherein the upper handle assembly and the lower handle assembly are connected through a bolt, an inner pressing plate is arranged at the lower end of the upper handle assembly, a clamping arm is tightly pressed at the lower part of the inner pressing plate and sleeved on the lower handle assembly, a fixed wheel assembly and a tool rest assembly are arranged on the lower handle assembly, the tool rest assembly comprises a tool rest body and a blade fixed on the tool rest body, and the tip cutting position of the blade is positioned at the upper part of the fixed wheel assembly.

Go up the handle assembly and include outer snap ring and with outer snap ring fixed connection's last handle, the upper handle lower extreme is equipped with the first support of being connected with lower handle assembly and is used for the spring gim peg of fixed spring.

The lower handle assembly comprises a lower handle, one end of the lower handle is fixedly connected with a fixed plate, the other end of the lower handle is provided with a finger ring, a second support fixedly matched and connected with the first support is arranged at the joint of the fixed plate and the lower handle, an arc-shaped groove is formed in the end part of the fixed plate, and a fixed wheel assembly is arranged in the arc-shaped groove; an inner snap ring is further arranged on the fixing plate, a guide sleeve is arranged on the inner snap ring, and the clamping arm sleeve is arranged in the guide sleeve.

The tool rest assembly comprises a trapezoidal tool rest body, an inner groove is formed in the middle of the trapezoidal tool rest body, blades are fixed in the inner groove, a cover plate is arranged at the top end of the trapezoidal tool rest body, a gear used for adjusting the blades is arranged in the trapezoidal tool rest body, and the gear is fixedly connected with a gear shaft.

The fixed wheel assembly comprises two fixed wheels and a fixed shaft connected with the two fixed wheels.

an elastic structure is arranged in the clamping arm and fixed on the snap ring in the lower handle through a support frame.

The bottom of the clamping arm is connected with a roller carrier, and two ends of the roller carrier are respectively provided with a roller.

The clamping arms comprise two, two ends of the clamping ring in the lower handle are respectively provided with a guide sleeve, and the two clamping arm sleeves are arranged in the two guide sleeves.

the two clamping arms, the upper snap ring inner pressing plate, the guide sleeve and the fixed wheel form an automatic centering mechanism together.

Compared with the prior art, the utility model discloses a wire stripper sets up interior clamp plate and presss from both sides tight arm between last handle assembly and lower handle assembly, can realize automatic positioning and centering, can adjust the degree of depth of skinning according to the actual conditions of cable, avoids the insulating layer of damaged inside conductor wire. When the cable needs to be stripped, the upper handle and the lower handle are held, the cable body is placed in a gap between the clamping arm and the fixed wheel, the handles are loosened, the cable is compressed after being automatically centered, the cutting blade passively penetrates into the skin of the cable, then the handle of the cable stripping pliers is rotated, the annular cutting of the blade on the cable body is realized, the cable section is uniform and neat, the cable stripping can be completed by matching with the longitudinal cutting cable stripping pliers after the annular cutting, the cable stripping position can be accurately positioned according to the actual length requirement, the phenomenon that the lengths of the end parts of the stripped cable are different is avoided, the cable stripping efficiency is high, the cable stripping effect is good, and the stripped cable can meet the standard requirement in the wiring installation.

drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic left side view of the present invention shown in FIG. 1;

FIG. 3 is a diagram illustrating the usage of the present invention;

FIG. 4 is a schematic structural view of the upper handle assembly;

FIG. 5 is a schematic view of the structure of the lower handle assembly;

FIG. 6 is a schematic top view of the lower handle assembly of FIG. 5;

FIG. 7 is a schematic view of the construction of the tool holder assembly;

FIG. 8 is a left side view of the tool holder assembly of FIG. 7;

3 FIG. 3 9 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 section 3 A 3- 3 A 3 of 3 FIG. 3 7 3; 3

FIG. 10 is a schematic structural view of a fixed wheel assembly;

FIG. 11 is a schematic view of the clamp arm configuration;

Fig. 12 is a left side schematic view of the clamp arm of fig. 11.

Detailed Description

For a better understanding of the present invention by those skilled in the art, the present invention will be further described with reference to the following detailed description:

As shown in fig. 1 to 3, the automatic positioning circular cutting wire stripper comprises an upper handle assembly 1, a lower handle assembly 6 and a spring 5 between the upper handle assembly 1 and the lower handle assembly 6, wherein the upper handle assembly 1 and the lower handle assembly 6 are connected through a bolt, an inner pressing plate 2 is arranged at the lower end of the upper handle assembly 1, a clamping arm 9 is pressed at the lower part of the inner pressing plate 2, the clamping arm 9 is sleeved on the lower handle assembly 6, a fixed wheel assembly 8 and a tool rest assembly 7 are arranged on the lower handle assembly 6, the tool rest assembly 7 comprises a tool rest body 71 and a blade 73 fixed on the tool rest body 71, and the tip cutting position of the blade 73 is located at the upper part of the fixed wheel assembly 8.

as shown in fig. 4, the upper handle assembly 1 includes an outer snap ring 11 and an upper handle 13 fixedly connected to the outer snap ring 11, a first bracket 12 connected to the lower handle assembly 6 and a spring fixing bolt 14 for fixing the spring 5 are disposed at a lower end of the upper handle 13, the outer snap ring 11 is connected to the inner pressing plate 2, when the upper and lower handles are pressed, the upper handle drives the outer snap ring to move upward to loosen the clamping arm 9, the clamping arm 9 pushes the inner pressing plate of the upper handle upward by the clamping arm 9, the clamping arm 9 and the fixing wheel on the lower handle assembly are separated, the cable is placed between the fixing wheel and the clamping arm, the upper handle is loosened, and then the clamping arm and the fixing wheel automatically center and clamp the cable, so that depth-fixed cutting of the sheath of the cable can be realized.

As shown in fig. 5 and 6, the lower handle assembly 6 includes a lower handle 67, one end of the lower handle 67 is fixedly connected with a fixing plate 64, the other end of the lower handle 67 is provided with a finger ring 68, a second bracket 65 fixedly matched and connected with the first bracket 12 is arranged at the joint of the fixing plate 64 and the lower handle 67, the lower handle 67 is provided with a spring fixing bolt 66 for fixing the spring 5, the end of the fixing plate 64 is provided with a groove, a fixing wheel assembly 8 is arranged in the groove, the fixing plate 64 is further provided with an inner snap ring 63, the inner snap ring 63 is provided with a guide sleeve 61, the clamping arm 9 is sleeved in the guide sleeve 61, during the operation process, the cable is placed between the fixing wheel and the clamping arm, then after the upper and lower handles are loosened, the cable is fixed between the fixing wheel and the clamping arm, meanwhile, the tip of the blade penetrates the cable with a fixed depth, then an operator inserts a finger into the finger ring, and rotates the wire stripper for one circle, the cutting ports are neat and consistent, the cutting depth is accurately positioned, the cutting and the peeling of the cable can be safely and quickly completed, the wire stripping efficiency is high, the wire stripping notches are neat, and the wire stripping effect is good.

As shown in fig. 7 to 9, the tool holder assembly includes a trapezoidal tool holder body, an inner groove is provided in the middle of the trapezoidal tool holder body, the blade is fixed in the inner groove, a cover plate 72 is provided on the top end of the trapezoidal tool holder body, a gear 75 for adjusting the blade is provided in the trapezoidal tool holder, and the gear 75 is fixedly connected with a gear shaft 74 for adjusting the cutting depth of the blade.

As shown in fig. 10, the fixed wheel assembly 8 includes two fixed wheels 81 and a fixed shaft 82 connecting the two fixed wheels 81, and the two fixed wheels are arranged to enable the blade to uniformly apply force to the cable during cutting, and straighten the cable, so as to avoid situations such as deviation, bending, curling and the like of the cable during cutting and stripping to affect stripping efficiency and stripping effect.

As shown in fig. 11 and 12, a roller frame 91 is connected to the bottom of the clamping arm 9, the roller frame 91 includes a cross bar and vertical bars at two ends of the cross bar, a roller 93 is fixed to the vertical bars at two ends of the cross bar of the roller frame 91 through a bolt 94, and the positions of the two rollers correspond to the positions of the two fixed wheels on the fixed wheel assembly, so as to position and clamp the cable.

an elastic structure 92 is arranged in the clamping arm 9, and the elastic structure 92 is fixed on the inner snap ring 63 through the support frame 3.

The clamping arms 9 comprise two, two ends of a clamping ring 63 (shown in figure 5) in the lower handle assembly are respectively provided with a guide sleeve, the two clamping arms are respectively sleeved in the two guide sleeves, under a natural state, idler wheels and fixed wheels on the two clamping arms form an included angle of 120 degrees with respect to the center of the cable in pairs, the three wheels can just automatically center, clamp and fix the cable, a blade passively penetrates into the cable while the cable is centered and clamped, the rotary wire stripper can realize positioning, depth and circumferential cutting and wire stripping of the sheath of the cable, the wire stripping process is simple and labor-saving, and the wire stripping efficiency is high.

The two clamping arms, the upper snap ring inner pressing plate, the guide sleeve and the fixed wheel form an automatic centering mechanism together.

The utility model discloses an automatic centering mechanism's of wire stripping pliers theory of operation does: before the wire stripper is not used, the upper and lower handles are closed under the action of the elastic force of the spring 5, so that the roller at the bottom end of the clamping arm is contacted with the fixed wheel arranged on the fixed rod, when the wire stripper is used, the upper and lower handles are held tightly, so that the upper pressure plate is loosened, the clamping arm pushes the inner pressure plate 2 of the upper handle to move upwards under the action of the internal spring force, the roller of the clamping arm is separated from the fixed wheel 8, a cavity is formed between the roller of the clamping arm and the fixed wheel, then a cable is placed between the clamping arm and the fixed wheel according to the length of the required wire stripping, the upper and lower handles are loosened, the upper and lower handles are separated under the action of the spring, so that the clamping arm is pressed downwards along with the pressing of the upper snap ring, after any one of the clamping arms touches the cable, the reaction force is applied to the inner pressure plate 2 (figure 1), and the, finally, the two clamping arms and the fixed wheel clamp and center the cable at an angle of 120 degrees, every two clamping arms and the fixed wheel are spaced, at the moment, the cutting blade passively penetrates into the outer skin of the cable, and the rotary wire stripper can perform annular cutting. The whole process is simple to operate, saves force, improves the wire stripping efficiency, enables a wire stripping notch to be flat, can adjust the depth of the blade for cutting into the cable through the adjusting gear, avoids the phenomenon that the blade damages an insulating layer of an internal conductor wire or cuts off a wire core, can accurately position the length of the cable to be cut, and improves the wire stripping speed. The wire stripper is matched with a longitudinal cutting wire stripper, so that the function of stripping the outer skin of any position of a cable can be realized, and the wire stripper is particularly suitable for scenes (two ends circular cutting and middle longitudinal cutting) which need to wire the middle of the cable sometimes.

Claims (9)

1. The utility model provides an automatic location circular cutting wire stripping pliers which characterized in that: including last handle assembly, lower handle assembly and go up the handle assembly and the lower spring between the handle assembly, go up through bolted connection between handle assembly and the lower handle assembly, go up handle assembly lower extreme and be equipped with the inner pressing plate, the inner pressing plate lower part compresses tightly the clamp arm, press from both sides tight armlet and establish under on the handle assembly, be equipped with tight pulley assembly and knife rest assembly down on the handle assembly, the knife rest assembly includes the knife rest body and is fixed in the blade on the knife rest body, the most advanced cutting position of blade is located the upper portion of tight pulley assembly.

2. the automatic positioning ring-cutting wire stripper as defined in claim 1, wherein: go up the handle assembly and include outer snap ring and with outer snap ring fixed connection's last handle, the upper handle lower extreme is equipped with the first support of being connected with lower handle assembly and is used for the spring gim peg of fixed spring.

3. The automatic positioning ring-cutting wire stripper as defined in claim 2, wherein: the lower handle assembly comprises a lower handle, one end of the lower handle is fixedly connected with a fixed plate, the other end of the lower handle is provided with a finger ring, a second support fixedly matched and connected with the first support is arranged at the joint of the fixed plate and the lower handle, an arc-shaped groove is formed in the end part of the fixed plate, and a fixed wheel assembly is arranged in the arc-shaped groove; the fixed plate is also provided with a lower handle inner snap ring, the lower handle inner snap ring is provided with a guide sleeve, and the clamping arm sleeve is arranged in the guide sleeve.

4. The automatic positioning ring-cutting wire stripper as defined in claim 3, wherein: the tool rest assembly comprises a trapezoidal tool rest body, an inner groove is formed in the middle of the trapezoidal tool rest body, blades are fixed in the inner groove, a cover plate is arranged at the top end of the trapezoidal tool rest body, a gear used for adjusting the blades is arranged in the trapezoidal tool rest body, and the gear is fixedly connected with a gear shaft.

5. The automatic positioning ring-cutting wire stripper as defined in claim 4, wherein: the fixed wheel assembly comprises two fixed wheels and a fixed shaft connected with the two fixed wheels.

6. the automatic positioning ring-cutting wire stripper as defined in claim 5, wherein: an elastic structure is arranged in the clamping arm and fixed on the snap ring in the lower handle through a support frame.

7. The automatic positioning ring-cutting wire stripper as defined in claim 6, wherein: the bottom of the clamping arm is connected with a roller carrier, and rollers are arranged at two ends of the roller carrier.

8. The automatic positioning ring-cutting wire stripper as defined in claim 7, wherein: the clamping arms comprise two, two ends of the clamping ring in the lower handle are respectively provided with a guide sleeve, and the two clamping arm sleeves are arranged in the two guide sleeves.

9. The automatic positioning ring-cutting wire stripper as recited in claim 8, wherein: the two clamping arms, the upper snap ring inner pressing plate, the guide sleeve and the fixed wheel form an automatic centering mechanism together.