CN214543358U

CN214543358U - High-precision cable peeler

Info

Publication number: CN214543358U
Application number: CN202120672001.6U
Authority: CN
Inventors: 董建雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-10-29
Anticipated expiration: 2031-04-01

Abstract

The utility model relates to a high-precision cable peeler, which relates to the technical field of cable peeling, and comprises a connecting mechanism, a cutting mechanism and a telescopic mechanism, wherein the connecting mechanism comprises a connecting plate and connecting screws, and both ends of the connecting plate are respectively connected with the cutting mechanism and the telescopic mechanism through the connecting screws; the cutting mechanism comprises a cutting column frame, a horizontal rotation positioning piece, a direction positioning piece top cover, a direction positioning piece and a first roller carrier, and is used for controlling the rotation of parts in the cutting column frame and the telescopic adjustment of a blade; the telescopic mechanism comprises a telescopic column frame, a second positioning pin, a positioning telescopic column and a second roller carrier and is used for controlling axial extension and horizontal rotation of parts in the telescopic column frame. The utility model discloses can realize the cable cutting that two kinds of modes, three kinds of modes switch wantonly to effectively solved the cable and taken place level and vertical displacement scheduling problem easily when the cutting, simultaneously can accurate control depth of cut, thereby realize the high accuracy cutting of blade to the cable.

Description

High-precision cable peeler

Technical Field

The utility model relates to a technical field is peeld to the cable, in particular to high accuracy cable barker.

Background

The crust of cable all need be got rid of under cable connection, joint preparation, old and useless recovery etc. the current crust mode of getting rid of mainly has: the skin, the transverse peeler, the longitudinal peeler and the transverse and longitudinal peeler are manually removed by using an art knife, but the peeling modes have certain limitations and disadvantages that (1) fingers and arms are easily cut by using the art knife peeling mode, the depth of the lower knife is not easy to master, and internal wire cores are easily damaged; (2) the transverse/longitudinal peeler can only perform vertical/horizontal cutting, cannot remove the sheath layer of the cable in whole section and part, and because the rolling wheel is additionally arranged on one side, the cable forms a single pivot between the rolling wheel and the cutter, the cable is easy to displace when cutting the axis, so that the cutting depth is different, and the inner wire core is easy to be damaged; (3) the transverse and longitudinal peeler adopts a single pivot, and the phenomenon that the cable is easy to displace and damage an inner wire core during cutting also exists. Some barkers respectively cut the transverse direction and the longitudinal direction of the cable in two modes, so that the whole section and part of the cable are removed; the main cutting process is that the cable is transversely cut after the device is adjusted, then the cable is withdrawn, the device is adjusted, the cable is longitudinally cut, and finally the cutting and removing of the cable sheath are completed.

The cable peeler in the prior art has the problems of single cutting mode and mode, unstable fixation of a cable to be cut, difficulty in adjustment of the cutting angle of a blade and the like, and provides a high-precision cable peeler.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a high accuracy cable barker can effectively solve among the background art cutting mode and mode single, treat that the cutting angle of cutting cable fixed unstable and blade is difficult for adjusting the scheduling problem.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a high-precision cable peeler comprises a connecting mechanism, a cutting mechanism and a telescopic mechanism, wherein the connecting mechanism comprises a connecting plate and connecting screws, and two ends of the connecting plate are respectively connected with the cutting mechanism and the telescopic mechanism through the connecting screws;

the cutting mechanism comprises a cutting column frame, a horizontal rotation positioning piece, a direction positioning piece top cover, a direction positioning piece and a first roller carrier, wherein the horizontal rotation positioning piece is connected with the outer end face of the cutting column frame in a matched mode through a first positioning pin, the direction positioning piece top cover is connected with the direction positioning piece, a cutter column direction control piece is rotationally matched with the inside of the horizontal rotation positioning piece top cover and the inside of the direction positioning piece top cover are rotationally matched with the inside of the cutter column direction control piece, a cutter column is slidably matched with the inside of the cutter column direction control piece through a key groove, the cutter column slides along the axial direction, the first roller carrier is connected with the direction positioning piece, the cutter column is slidably and rotationally matched with a central hole of the first roller carrier, and the direction positioning piece top cover, the direction positioning piece top cover and the first roller carrier are integrally and rotationally matched with each other and installed in the cutting column frame;

the telescopic mechanism comprises a telescopic column frame, a second positioning pin, a positioning telescopic column and a second roller carrier, wherein four diagonal pin holes are uniformly formed in the outer side of the telescopic column frame along the circumference, the second positioning pin is installed in the pin holes in a matched mode and stretches into the telescopic column frame, four diagonal key grooves are uniformly formed in the outer side of the positioning telescopic column along the axial direction, each second positioning pin is in sliding fit with the corresponding key groove, the positioning telescopic column axially slides in the telescopic column frame along the key groove direction, and the second roller carrier is connected to the end portion of the positioning telescopic column.

Preferably, the direction setting element top cap passes through bolted connection with the direction setting element, and both form one section spacing groove along the outside circumference, the outside an organic whole of tool post direction controlling part is connected with the direction control block, direction control block and spacing groove looks adaptation, 5 location ripples pearl are installed equidistantly to the lateral wall of spacing groove, be provided with the glass pearl hole with location glass pearl looks adaptation on the lateral wall of direction control block.

Through the technical scheme, the direction control block can drive the cutter post direction control and the cutter post to horizontally adjust along the limiting groove, so that the rotation action of 0-90 degrees is realized, and finally, the five-angle adjustment of 0 degree, 22.5 degrees, 45 degrees, 67.5 degrees and 90 degrees is realized through the direction control block and the positioning wave beads.

Preferably, two first rollers are rotatably mounted in the first roller carrier through a pair of first roller bearings and are arranged in parallel, a blade is connected to the end of the knife post through a screw, and the knife post and the blade slide and stretch from a gap between the two first rollers.

Through above technical scheme, two first gyro wheels can form 4 contact surfaces in one side of cable, and final and second gyro wheel form one section straight region, form 8 contact surfaces with the cable promptly, can press from both sides tightly fixedly effectively to the cable.

Preferably, cutting mechanism still includes the bearing setting element, the bearing setting element is connected with direction setting element top cap through the bolt, and the bearing setting element sets up between the terminal surface of horizontal rotation setting element and cutting post frame, the terminal surface of horizontal rotation setting element evenly is connected with four first locating pins, evenly be provided with four cotter ways on the outer terminal surface of cutting post frame, first locating pin passes bearing setting element, cutting post frame, direction setting element top cap and is connected with the cotter way cooperation that corresponds.

Through above technical scheme, the cotter way on first locating pin and bearing setting element, cutting post frame, the direction setting element top cap is mutually supported, and when it inserted the cotter way in, the locking of the part in the cutting post frame realizes the direction location, and when it broke away from the cotter way, 360 positive rotations can be realized in the cutting post frame to the part in the cutting post frame, cooperatees with flexible post frame, accomplishes the switching of mode one, mode two.

Preferably, cutting mechanism still includes first screw rod, install first bearing in the bearing setting element, first screw rod passes through first bearing and the rotatory cooperation of bearing setting element, the head end of first screw rod passes horizontal rotation setting element, bearing mounting, direction setting element top cap and sword post direction controlling part in proper order and finally closes with the sword post spiral shell and be connected, the knob cap is installed in the tail end cooperation of first screw rod.

Through above technical scheme, the knob cap is in the same direction as, anticlockwise rotation drives the rotation of first screw rod, and the rotation of first screw rod drives the flexible blade of realizing the high accuracy of sword post and stretches out and draws back.

Preferably, four diagonal key grooves on the outer side of the positioning telescopic column are matched with the second roller carrier at the end part to form a horizontal annular key groove, and the second positioning pin is in sliding fit with the horizontal annular key groove and can rotate forwards and backwards for 360 degrees along the horizontal annular key groove.

Through the technical scheme, the second positioning pin is matched with the four diagonal key grooves, so that the axial extension and contraction of the positioning telescopic column can be realized, and the cable is placed and clamped in the extension and contraction process; and the second positioning pin and the horizontal annular key groove can realize 360 degrees of horizontal forward and reverse rotation, and realize corresponding cooperation between the first roller and the second roller with the cutting mechanism.

Preferably, two second rollers are rotatably mounted in the second roller frame through a pair of second roller bearings, and the two second rollers are arranged in parallel.

Through above technical scheme, two second gyro wheels can form 4 contact surfaces at the opposite side of cable, and final and first gyro wheel form one section straight area, form 8 contact surfaces with the cable promptly, can press from both sides tightly fixedly effectively to the cable.

Preferably, telescopic machanism still includes bearing mounting and second screw rod, the bearing mounting is connected with flexible post frame through the bolt, install the second bearing in the bearing mounting, the second screw rod passes through second bearing and bearing mounting normal running fit, the head end of second screw rod is passed bearing mounting and flexible post frame and is screwed with the flexible post in location and be connected, the spiral cover is installed in the tail end cooperation of second screw rod.

Through above technical scheme, through spiral cover in the same direction as, anticlockwise rotation drives the rotation of second screw rod, the rotation of second screw rod drives the flexible post in location and realizes that the high accuracy is flexible.

Preferably, both ends of the connecting plate are respectively connected with the cutting column frame and the telescopic column frame through connecting screws.

Through above technical scheme, the connecting screw is connected the connecting plate with cutting mechanism and telescopic machanism and is fastened, accomplishes final assembly forming.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, the mode can carry out horizontal cutting temporarily, (slant) spiral two kinds of cutting mode switch wantonly, can carry out horizontal, vertical, (slant) spiral three kinds of cutting mode's arbitrary switching during mode two, realizes the cable cutting that two kinds of modes, three kinds of modes switch wantonly on an instrument, reduces multiplexer utensil use cost, has greatly improved cable cutting efficiency.

2. The utility model discloses in, under the same kind of mode, only need just can adjust the knife post direction controlling part through the direction control piece, blade and knife post pass through the horizontal adjustment of knife post direction controlling part and realize the rotation between 0-90, realize 0, 22.5, 45, 67.5, 90 five angle modulation through the location ripples pearl on the direction piece of location at last, satisfy the convenient switching of two kinds of modes and three kinds of cutting modes.

3. The utility model discloses in, two first gyro wheels of cutting mechanism and two second gyro wheels in the telescopic machanism cooperate each other to correspond, press from both sides tight cable after for the cable has formed one section straight region between two first gyro wheels and two second gyro wheels, forms 8 contact surfaces with the cable promptly, and effectual solved the cable and taken place level and vertical displacement scheduling problem easily when the cutting, it is fixed to press from both sides the clamp to the cable more steadily firmly, makes things convenient for follow-up cutting.

4. The utility model discloses in, the flexible blade that realizes the high accuracy of the flexible sword post of rotatory drive of first screw rod is flexible, and the flexible post of rotatory drive location of second screw rod realizes the high accuracy flexible, can accurate control depth of cut to realize the high accuracy cutting of blade to the cable, hinder and reach the cable inner core when effectively avoiding the cutting.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a high-precision cable peeler according to the present invention;

fig. 2 is an exploded view of a high-precision cable peeler according to the present invention;

FIG. 3 is a schematic view of the installation of a tool post direction control in a high-precision cable peeler according to the present invention;

fig. 4 is a schematic view illustrating the installation of a first roller frame in a high-precision cable peeler according to the present invention;

fig. 5 is a schematic view illustrating the installation of the first screw in the high-precision cable peeler according to the present invention;

fig. 6 is a schematic view illustrating the installation of a second roller frame in a high-precision cable peeler according to the present invention;

fig. 7 is the utility model relates to an installation schematic diagram of second screw rod in high accuracy cable barker.

In the drawings, the components represented by the respective reference numerals are listed below:

the connecting mechanism 1, the connecting plate 1-1 and the connecting screw 1-2;

the device comprises a cutting mechanism 2, a cutting column frame 2-1, a bearing positioning piece 2-2, a direction positioning piece top cover 2-3, a cutter column direction control 2-4, a cutter column 2-5, a positioning wave bead 2-6, a direction positioning piece 2-7, a first roller carrier 2-8, a first roller 2-9, a first roller bearing 2-10, a horizontal rotation positioning piece 2-11, a knob cap 2-12, a cutter blade 2-13, a first screw rod 2-14, a first bearing 2-15 and a first positioning pin 2-16;

the device comprises a telescopic mechanism 3, a telescopic column frame 3-1, a second positioning pin 3-2, a positioning telescopic column 3-3, a second roller frame 3-4, a second roller bearing 3-5, a second roller 3-6, a bearing fixing piece 3-7, a screw cap 3-8, a second screw rod 3-9 and a second bearing 3-10.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figure 1, the utility model relates to a high accuracy cable barker, including coupling mechanism 1, cutting mechanism 2 and telescopic machanism 3, its characterized in that, coupling mechanism 1 includes connecting plate 1-1 and connecting screw 1-2, and the both ends of connecting plate 1-1 all are connected with cutting mechanism 2 and telescopic machanism 3 respectively through connecting screw 1-2.

As shown in figure 2, the cutting mechanism 2 comprises a cutting column frame 2-1, a horizontal rotation positioning piece 2-11, a direction positioning piece top cover 2-3, a direction positioning piece 2-7 and a first roller carrier 2-8, wherein the horizontal rotation positioning piece 2-11 is connected with the outer end face of the cutting column frame 2-1 in a matching way through a first positioning pin 2-16, the direction positioning piece top cover 2-3 is connected with the direction positioning piece 2-7, a knife column direction control 2-4 is matched with the inside of the horizontal rotation positioning piece and the direction positioning piece inside the horizontal rotation positioning piece 2-11, a knife column 2-5 is matched with the inside of the knife column direction control 2-4 in a sliding way through a key slot, the knife column 2-5 slides along the axial direction, the first roller carrier 2-8 is connected with the direction positioning piece 2-7, the knife column 2-5 is matched with the central hole of the first roller carrier 2-8 in a sliding way and in a rotating way, the direction positioning piece top cover 2-3, the direction positioning piece 2-7 and the first roller carrier 2-8 are integrally and rotatably arranged in the cutting column frame 2-1 in a matching way.

Further, as shown in fig. 3 and 4, the direction positioning piece top cover 2-3 is connected with the direction positioning piece 2-7 through a bolt, a section of limiting groove is formed along the outer circumference of the direction positioning piece top cover and the direction positioning piece top cover, a direction control block is integrally connected to the outer side of the knife post direction control piece 2-4, the direction control block is matched with the limiting groove, 5 positioning beads 2-6 are installed on the side wall of the limiting groove at equal intervals, and bead holes matched with the positioning beads are formed in the side wall of the direction control block. The direction control block can drive the cutter post direction control 2-4 and the cutter post 2-5 to horizontally adjust along the limiting groove, so that the rotation action of 0-90 degrees is realized, and finally, five angle adjustments of 0 degree, 22.5 degrees, 45 degrees, 67.5 degrees and 90 degrees are realized through the direction control block and the positioning wave beads 2-6.

Further, as shown in fig. 2 and 4, two first rollers 2-9 are rotatably installed in the first roller frame 2-8 through a pair of first roller bearings 2-10, the two first rollers 2-9 are arranged in parallel, the end of the knife post 2-5 is connected with a blade 2-13 through a screw, and the knife post 2-5 and the blade 2-13 are slidably extended and retracted from a gap between the two first rollers 2-9. The two first rollers 2-9 can form 4 contact surfaces on one side of the cable, and finally form a straight area with the second rollers 3-6, namely 8 contact surfaces with the cable, so that the cable can be effectively clamped and fixed.

Further, as shown in fig. 2 and 5, the cutting mechanism 2 further includes a bearing positioning member 2-2, the bearing positioning member 2-2 is connected with a direction positioning member top cover 2-3 through a bolt, the bearing positioning member 2-2 is disposed between the horizontal rotation positioning member 2-11 and the end face of the cutting column frame 2-1, the end face of the horizontal rotation positioning member 2-11 is uniformly connected with four first positioning pins 2-16, four pin grooves are uniformly disposed on the outer end face of the cutting column frame 2-1, and the first positioning pins 2-16 penetrate through the bearing positioning member 2-2, the cutting column frame 2-1, and the direction positioning member top cover 2-3 to be connected with the corresponding pin grooves in a matching manner. The first positioning pin 2-16 is matched with the pin grooves on the cutting column frame 2-1, the cutting column frame 2-1 and the direction positioning piece top 2-3, when the first positioning pin is inserted into the pin grooves, the components in the cutting column frame 2-1 are locked to realize direction positioning, when the first positioning pin is separated from the pin grooves, the components in the cutting column frame 2-1 can realize 360-degree positive and negative rotation in the cutting column frame 2-1, and correspondingly matched with the second roller 3-6 and the first roller 2-9 through the telescopic mechanism 3 to finish the switching of the first mode and the second mode.

Further, as shown in fig. 2 and 5, the cutting mechanism 2 further includes a first screw rod 2-14, a first bearing 2-15 is installed in the bearing positioning member 2-2, the first screw rod 2-14 is rotatably matched with the bearing positioning member 2-2 through the first bearing 2-15, the head end of the first screw rod 2-14 sequentially passes through the horizontal rotating positioning member 2-11, the bearing fixing member 3-7, the direction positioning member top cover 2-3 and the knife post direction control member 2-4 and is finally screwed with the knife post 2-5, and the tail end of the first screw rod 2-14 is cooperatively installed with a knob cap 2-12. The knob cap 2-12 rotates clockwise and anticlockwise to drive the first screw rod 2-14 to rotate, and the rotation of the first screw rod 2-14 drives the knife post 2-5 to stretch so as to stretch the high-precision blade 2-13.

As shown in fig. 2, the telescopic mechanism 3 comprises a telescopic column frame 3-1, second positioning pins 3-2, positioning telescopic columns 3-3 and second roller frames 3-4, four diagonal pin holes are uniformly formed in the outer side of the column frame along the circumference, the second positioning pins 3-2 are installed in the pin holes in a matched mode and extend into the telescopic column frame 3-1, four diagonal key grooves are uniformly formed in the outer side of the positioning telescopic columns 3-3 along the axial direction, each second positioning pin 3-2 is in sliding fit with the corresponding key groove, the positioning telescopic columns 3-3 axially slide in the telescopic column frame 3-1 along the key groove direction, and the second roller frames 3-4 are connected to the end portions of the positioning telescopic columns 3-3.

Further, as shown in fig. 6, four diagonal key grooves on the outer side of the positioning telescopic column 3-3 are matched with the second roller frame 3-4 at the end parts to form a horizontal annular key groove, and the second positioning pin 3-2 is in sliding fit with the horizontal annular key groove and can rotate forwards and backwards for 360 degrees along the horizontal annular key groove. The second positioning pin 3-2 is matched with the four diagonal key grooves to realize axial extension and retraction of the positioning telescopic column 3-1, and the cable is placed and clamped in the extension and retraction process; the second positioning pin 3-2 and the horizontal annular key groove can realize horizontal 360-degree forward and reverse rotation, and the cutting mechanism 2 realizes corresponding matching between the first roller 2-9 and the second roller 3-6, so that switching between the first mode and the second mode is completed.

Further, as shown in fig. 2 and 6, two second rollers 3-6 are rotatably mounted in the second roller frame 3-4 through a pair of second roller bearings 3-5, and the two second rollers 3-6 are arranged in parallel. The two second rollers 3-6 can form 4 contact surfaces on the other side of the cable, and finally form a flat area with the first rollers 2-9, namely 8 contact surfaces with the cable, so that the cable can be effectively clamped and fixed.

Further, as shown in fig. 2 and 7, the telescopic mechanism 3 further comprises a bearing fixing piece 3-7 and a second screw rod 3-9, the bearing fixing piece 3-7 is connected with the telescopic column frame 3-1 through a bolt, a second bearing 3-10 is installed in the bearing fixing piece 3-7, the second screw rod 3-9 is in rotating fit with the bearing fixing piece 3-7 through the second bearing 3-10, the head end of the second screw rod 3-9 penetrates through the bearing fixing piece 3-7 and the telescopic column frame 3-1 to be in threaded connection with the positioning telescopic column 3-3, and the tail end of the second screw rod 3-9 is provided with a spiral cover 3-8 in a matching manner. The rotation of the second screw rod 3-9 is driven by the clockwise and anticlockwise rotation of the screw cap 3-8, and the rotation of the second screw rod 3-9 drives the positioning telescopic column 3-3 to realize high-precision telescopic.

In this embodiment, both ends of the connecting plate 1-1 are respectively connected with the cutting column frame 2-1 and the telescopic column frame 3-1 through connecting screws 1-2.

The utility model discloses a theory of operation does:

the utility model has two cutting modes, wherein the mode can be switched arbitrarily between a transverse cutting mode and a (oblique) spiral cutting mode in one time, the mode can be switched arbitrarily between a transverse cutting mode and a (oblique) spiral cutting mode in the second time, and the cable cutting with the two modes and the three modes switched arbitrarily can be realized on one tool; in the same mode, the cutter post direction control 2-4 can be adjusted only through the direction control block, the blades 2-13 and the cutter posts 2-5 can rotate between 0-90 degrees through the horizontal adjustment of the cutter post direction control 2-4, and finally five angle adjustments of 0 degree, 22.5 degrees, 45 degrees, 67.5 degrees and 90 degrees are realized through the positioning wave beads 2-6 on the positioning direction pieces 2-7, so that the convenient switching of two modes and three cutting modes is met. The two first rollers 2-9 of the cutting mechanism 2 are matched with the two second rollers 3-6 of the telescopic mechanism 3 correspondingly, after the cable is clamped, a section of straight area is formed between the two first rollers 2-9 and the two second rollers 3-6 of the cable, namely 8 contact surfaces are formed with the cable, and the problems that the cable is easy to horizontally and vertically displace and the like during cutting are effectively solved; a worker can operate the knob caps 2-12 to drive the knife columns 2-5 to stretch and retract to achieve high-precision knife blades 2-13 through rotation of the first screw rods 2-14, can operate the screw caps 3-8 to drive the positioning telescopic columns 3-3 to achieve high-precision stretching through rotation of the second screw rods 3-9, and therefore cutting depth can be controlled accurately, and high-precision cutting of the knife blades 2-13 to cables is achieved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A high-precision cable peeler comprises a connecting mechanism (1), a cutting mechanism (2) and a telescopic mechanism (3), and is characterized in that the connecting mechanism (1) comprises a connecting plate (1-1) and connecting screws (1-2), and two ends of the connecting plate (1-1) are respectively connected with the cutting mechanism (2) and the telescopic mechanism (3) through the connecting screws (1-2);

the cutting mechanism (2) comprises a cutting column frame (2-1), a horizontal rotation positioning piece (2-11), a direction positioning piece top cover (2-3), a direction positioning piece (2-7) and a first roller carrier (2-8), the horizontal rotation positioning piece (2-11) is connected with the outer end face of the cutting column frame (2-1) in a matched mode through a first positioning pin (2-16), the direction positioning piece top cover (2-3) is connected with the direction positioning piece (2-7), a knife column direction control piece (2-4) is matched with the inner portion of the horizontal rotation positioning piece and the inner portion of the direction positioning piece top cover in a rotating mode, a knife column (2-5) is matched with the knife column direction control piece in a sliding mode through a key groove, the knife column (2-5) slides along the axial direction, the first roller carrier (2-8) is connected with the direction positioning piece (2-7), the cutter post (2-5) is in sliding and rotating fit with a central hole of the first roller carrier (2-8), and the direction positioning piece top cover (2-3), the direction positioning piece (2-7) and the first roller carrier (2-8) are integrally and rotatably mounted in the cutting post frame (2-1) in a matching manner;

the telescopic mechanism (3) comprises a telescopic column frame (3-1), a second positioning pin (3-2), a positioning telescopic column (3-3) and a second roller carrier (3-4), four diagonal pin holes are uniformly formed in the outer side of the telescopic column frame (3-1) along the circumference, the second positioning pin (3-2) is installed in the pin holes in a matched mode and extends into the telescopic column frame (3-1), four diagonal key grooves are uniformly formed in the outer side of the positioning telescopic column (3-3) along the axial direction, each second positioning pin (3-2) is in sliding fit with the corresponding key groove, the positioning telescopic column (3-3) axially slides in the telescopic column frame (3-1) along the direction of the key slot, the second roller carrier (3-4) is connected to the end part of the positioning telescopic column (3-3).

2. A high precision cable stripper as defined in claim 1 wherein: the direction setting element top cap (2-3) passes through bolted connection with direction setting element (2-7), and both form one section spacing groove along outside circumference, the outside body coupling of sword post direction controlling part (2-4) has the direction control block, direction control block and spacing groove looks adaptation, 5 location ripples pearl (2-6) are installed equidistantly to the lateral wall of spacing groove, be provided with the glass pearl hole with location glass pearl looks adaptation on the lateral wall of direction control block.

3. A high precision cable stripper as defined in claim 2 wherein: two first rollers (2-9) are rotatably mounted in the first roller carrier (2-8) through a pair of first roller bearings (2-10), the two first rollers (2-9) are arranged in parallel, blades (2-13) are connected to the end portions of the knife columns (2-5) through screws, and the knife columns (2-5) and the blades (2-13) stretch and retract in a sliding mode from gaps between the two first rollers (2-9).

4. A high precision cable stripper as defined in claim 3 wherein: the cutting mechanism (2) further comprises a bearing positioning piece (2-2), the bearing positioning piece (2-2) is connected with the direction positioning piece top cover (2-3) through a bolt, the bearing positioning piece (2-2) is arranged between the end faces of the horizontal rotation positioning piece (2-11) and the cutting column frame (2-1), the end face of the horizontal rotation positioning piece (2-11) is evenly connected with four first positioning pins (2-16), four pin grooves are evenly formed in the outer end face of the cutting column frame (2-1), and the first positioning pins (2-16) penetrate through the bearing positioning piece (2-2), the cutting column frame (2-1) and the direction positioning piece top cover (2-3) and are connected with the corresponding pin grooves in a matched mode.

5. A high precision cable stripper as defined in claim 4 wherein: cutting mechanism (2) still include first screw rod (2-14), install first bearing (2-15) in bearing setting element (2-2), first screw rod (2-14) are through first bearing (2-15) and bearing setting element (2-2) normal running fit, horizontal running setting element (2-11), bearing mounting (3-7), direction setting element top cap (2-3) and sword post direction control (2-4) are passed in proper order to the head end of first screw rod (2-14) and finally are connected with sword post (2-5) spiral shell, knob cap (2-12) are installed in the tail end cooperation of first screw rod (2-14).

6. A high precision cable stripper as defined in claim 1 wherein: the end parts of four diagonal key grooves on the outer side of the positioning telescopic column (3-3) are matched with the second roller carrier (3-4) to form horizontal annular key grooves, and the second positioning pins (3-2) are in sliding fit with the horizontal annular key grooves and can rotate forwards and backwards for 360 degrees along the horizontal annular key grooves.

7. A high precision cable stripper as defined in claim 6 wherein: two second rollers (3-6) are rotatably arranged in the second roller carrier (3-4) through a pair of second roller bearings (3-5), and the two second rollers (3-6) are arranged in parallel.

8. A high precision cable stripper as defined in claim 7 wherein: the telescopic mechanism (3) further comprises a bearing fixing piece (3-7) and a second screw rod (3-9), the bearing fixing piece (3-7) is connected with the telescopic column frame (3-1) through a bolt, a second bearing (3-10) is installed in the bearing fixing piece (3-7), the second screw rod (3-9) is in rotating fit with the bearing fixing piece (3-7) through the second bearing (3-10), the head end of the second screw rod (3-9) penetrates through the bearing fixing piece (3-7) and the telescopic column frame (3-1) to be in threaded connection with the positioning telescopic column (3-3), and the tail end of the second screw rod (3-9) is provided with a rotary cover (3-8) in a matched mode.

9. A high precision cable stripper as defined in claim 1 wherein: both ends of the connecting plate (1-1) are respectively connected with the cutting column frame (2-1) and the telescopic column frame (3-1) through connecting screws (1-2).