CN109015258A - Lead screw transmission cable covers shielding layer grinding device - Google Patents

Abstract

The invention discloses a lead screw transmission cable shielding layer polishing device, which comprises: slide rail set spare with install last cable of slide rail set spare is held subassembly and grinding machanism tightly. The lead screw transmission cable shielding layer polishing device is simple in structure, small in size and compact in structural arrangement on the basis of realizing cable transmission and cable polishing functions.

Description

A grinding device for shielding layer of screw drive cable

technical field

The invention relates to the field of electrical appliances, in particular to a device for grinding the shielding layer of a screw drive cable.

Background technique

110kV and above voltage level high-voltage cable lines have long line lengths, and the cables need to be spliced to meet the length requirements of the lines. Therefore, sections of high-voltage cables need to be connected through cable intermediate joints. Both ends of the high-voltage cable lines must be connected to the grid. Then both ends need to make cable terminals.

To make high-voltage cable intermediate joints and terminal heads, it is necessary to strip and/or polish the high-voltage cable insulation shielding layer at the high-voltage cable intermediate joints and terminal heads. In the prior art, the stripping/grinding operations are all performed manually, for example, glass sheets are usually used to manually strip the insulating shielding layer of high-voltage cables, and the operation takes a long time. This kind of operation requires a high level of personnel skills. It is not easy for ordinary operators to exploit the insulation shielding layer of high-voltage cables to meet the process requirements. During the exploitation process, it is easy to produce scratches, waves, different shades, ultra-deep exploitation, etc. on the insulation layer of high-voltage cables. Excessive exploitation causes defects such as incomplete cable insulation, which brings hidden dangers to the installation quality of high-voltage cable intermediate joints and terminal heads, and also brings risks to the safe and reliable operation of high-voltage cable lines.

In addition, the existing device for grinding the cable shielding layer has the following technical problems: 1. The structure is cumbersome, which is not conducive to cost control, and there is great difficulty in repair and maintenance. 2. The structure is not compact, resulting in too large volume, which makes it impossible to work in small spaces.

Contents of the invention

The technical problem to be solved by the present invention is to provide a screw drive cable shield grinding device, which simplifies the structure, reduces the volume and makes the structural arrangement more compact on the basis of realizing the functions of cable transmission and cable grinding.

In order to solve the above technical problems, an embodiment of the present invention provides a grinding device for the shielding layer of a screw drive cable, including: a slide rail assembly, a cable holding assembly installed on the slide rail assembly and a grinding mechanism, the slide rail The assembly includes: a base; a first fixed seat, a second fixed seat and a third fixed seat respectively arranged on the base, and at least one guide rod is arranged between the first fixed seat, the second fixed seat and the third fixed seat; The travel drive motor installed on the first fixed seat; the screw rod connected to the travel drive motor through a coupling unit, the shaft connection unit is installed between the first fixed seat and the second fixed seat, and the screw rod is installed on the second fixed seat Between the second fixed seat and the third fixed seat, a slide table connected to the screw rod and guided by a guide rod; the grinding mechanism includes: a grinding mechanism base; a grinding mechanism guide rod installed on the grinding mechanism base; The grinding mechanism fixing frame on the grinding mechanism guide rod, the grinding mechanism fixing frame can move along the grinding mechanism guide rod; the grinding mechanism motor installed on one side of the grinding mechanism fixing frame; the grinding mechanism installed on the other side of the grinding mechanism fixing frame The guide wheel support frame has a plurality of guide wheels fixed on the guide wheel support frame; the grinding mechanism motor passes through the grinding mechanism guide wheel support frame and is connected to a grinding mechanism transmission wheel, and the connection between the grinding mechanism transmission wheel and the plurality of guide wheels is used to Abrasive belt paper for grinding; wherein: the driving drive motor rotates through the drive coupling unit and the screw rod, and the slide table on the linkage screw rod reciprocates; the grinding mechanism motor links the abrasive belt paper through the grinding mechanism transmission wheel and the grinding mechanism transmission wheel Rotate between multiple guide wheels to polish the cable insulation and shielding layer.

Wherein, the grinding mechanism fixing frame is equipped with a sanding paper grinding pressure control unit for changing the grinding pressure of the sanding belt paper.

Wherein, the abrasive belt paper grinding pressure control unit includes: a pressure control elastic member sleeved on the guide rod of the grinding mechanism; The position of the part on the guide rod of the grinding mechanism changes the compression degree of the pressure control elastic part to the fixing frame of the grinding mechanism.

Wherein, the sliding platform includes: the sliding platform body; the bearing platform installed on the sliding platform body, the bearing platform and the screw rod can be connected in transmission; the opposite sides of the bearing platform are equipped with linear bearings, and the guide rod passes through the linear bearings, wherein : The screw rod rotates to transmit the transmission force to the bearing platform, and the bearing platform is linked with the sliding platform body to reciprocate along the extension direction of the guide rod.

Among them, there is no turning gap between the shaft sleeve and the intermediate body.

Implementing the grinding device for the shielding layer of the screw drive cable of the present invention has the following beneficial effects: the grinding mechanism includes: the base of the grinding mechanism; the guide rod of the grinding mechanism; the fixing frame of the grinding mechanism; the motor of the grinding mechanism; A plurality of guide wheels are fixed on the wheel support frame; the motor of the grinding mechanism passes through the support frame of the guide wheel of the grinding mechanism and is connected to a transmission wheel of the grinding mechanism, and an abrasive belt paper for grinding is connected between the transmission wheel of the grinding mechanism and the plurality of guide wheels ; Wherein: the motor of the grinding mechanism rotates between the driving wheel of the grinding mechanism and a plurality of guide wheels through the linkage of the abrasive belt paper through the transmission wheel of the grinding mechanism, so as to perform grinding operations on the cable insulation shielding layer. The slide rail assembly includes: a base; The first fixed seat, the second fixed seat and the third fixed seat on the base; the guide rod; the traveling drive motor installed on the first fixed seat; The sliding table on the screw rod and can be guided by the guide rod, wherein: the traveling drive motor drives the coupling unit and the screw rod to rotate, and the sliding table on the linked screw rod moves back and forth; on the basis of realizing the functions of cable transmission and cable grinding, The structure is simplified, the volume is reduced, and the structure arrangement is more compact.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of the blasting structure of the slide rail assembly according to the embodiment of the present invention.

Fig. 2 is a schematic diagram of the assembly structure of the slide rail assembly according to the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a cable clamping assembly according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of the blasting structure of the grinding mechanism of the embodiment of the present invention.

Fig. 5 is a structural schematic diagram of the first viewing angle after the grinding mechanism of the embodiment of the present invention is assembled.

Fig. 6 is a structural schematic diagram of a second viewing angle after the grinding mechanism of the embodiment of the present invention is assembled.

Fig. 7 is a schematic structural diagram of a grinding device for a shielding layer of a screw drive cable according to an embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

As shown in Fig. 1-Fig. 7, it is Embodiment 1 of the device for grinding the shielding layer of the screw drive cable of the present invention.

As shown in FIG. 7 , the device for grinding the shielding layer of the screw drive cable in this embodiment includes: a slide rail assembly 1 , a grinding mechanism 6 installed on the slide rail assembly 1 , and a cable holding assembly 4 .

1-2, the slide rail assembly 1 includes: a base 11; a first fixed seat 12a, a second fixed seat 12b and a third fixed seat 12c respectively arranged on the base 11; the first fixed seat 12a, At least one guide rod 13 is arranged between the second fixed seat 12b and the third fixed seat 12c; the traveling drive motor 14 installed on the first fixed seat 12a; The screw mandrel 16, the coupling unit 15 is installed between the first fixed seat 12a and the second fixed seat 12b, the screw mandrel 16 is installed between the second fixed seat 12b and the third fixed seat 12c; connected to the screw mandrel 16 And the sliding table 17 that can be guided by the guide rod 13, wherein: the traveling drive motor 14 drives the coupling shaft unit 15 and the screw rod 16 to rotate, and the sliding table 17 on the linkage screw rod 16 moves back and forth.

The base 11 is plate-shaped and made of aluminum alloy material, so as to reduce the weight and make the assembly structure of the equipment more intensive.

The structures of the first fixed seat 12a, the second fixed seat 12b and the third fixed seat 12c are roughly the same, and they are plate-shaped respectively, which are respectively fixed on opposite side ends of the base 11, wherein the first fixed seat 12a, the second fixed seat 12c The fixing seat 12 b is adjacently located at one end of the base 11 , and the third fixing seat 12 c is located at the other end of the base 11 . In practice, the first fixing seat 12a, the second fixing seat 12b and the third fixing seat 12c are also made of aluminum alloy material, so as to reduce weight and facilitate processing and forming.

Preferably, the opposite ends of the second fixing seat 12b and the third fixing seat 12c are respectively provided with assembly positions 122 for fastening and connecting other components of the processing device.

The guide rod 13 is a steel polished rod in this embodiment, and it is arranged as two, which pass through the second fixing seat 12b and are respectively fastened on the first fixing seat 12a and the third fixing seat 12c at both ends. The function is to guide the movement of the slide table 17, provide stable support for the slide table 17 on it, and ensure that the slide table 17 can work correctly.

The traveling driving motor 14 is fixed on the first fixing seat 12a, and its function is to provide driving power for the sliding of the slide table 17.

The connecting shaft unit 15 plays a role of connecting the traveling drive motor 14 and the linkage screw rod 16 .

During specific implementation, the shaft coupling unit 15 includes: a bearing 151; a bearing outer ring stopper 152 for fastening the bearing 151 in the second fixed seat 12b; a fastening nut 153 fastened on the bearing outer ring stopper 152; Sleeve 154 ; an intermediate body 155 connected to the bearing 151 through the shaft sleeve 154 , and the intermediate body 155 is connected with the traveling drive motor 14 .

In a preferred embodiment, there is no backlash between the shaft sleeve 154 and the intermediate body 155 . The functions of such settings are: suitable for small torque/small space occasions, oil resistance and electrical insulation, identical clockwise and counterclockwise rotation characteristics, super elastic torque can absorb vibration, and compensate radial and angular deviations.

The screw mandrel 16 is a steel ball screw mandrel in the present embodiment, and its function is to drive the slide table 17 to move back and forth through its rotation. The threaded rod 166 in this embodiment is installed between the second fixing base 12 b and the third fixing base 12 c, and is located between the two guide rods 13 . Wherein, a positioning bearing 121 for assembling the screw rod 16 is disposed in the third fixing seat 12c. The screw rod 16 is assembled between the positioning bearing 121 and the bearing 151 , and is connected with the intermediate body 155 . During specific implementation, the traveling drive motor 14 passes through the intermediate body 155 , the bushing 154 , and then drives the screw rod 16 to rotate.

The slide table 17 provides support and a reciprocating platform for other components of the processing device during the reciprocating movement. The sliding table 17 in this embodiment includes: a sliding table body 171; a bearing platform 172 installed on the sliding platform body 171, the bearing platform 172 is connected to the screw rod 16 in a transmission manner; the opposite sides of the bearing platform 171 are equipped with straight lines The bearing 173 and the guide rod 13 pass through the linear bearing 173 , wherein: the screw rod 16 rotates to transmit the transmission force to the bearing platform 172 , and the bearing platform 172 moves back and forth along the extension direction of the guide rod 13 in conjunction with the sliding platform body 171 .

During specific implementation, the traveling drive motor 14 is linearly connected with the connecting shaft unit 15, the screw mandrel 16, and the guide rod 13 and the slide table 17. By the rotation of the traveling driving motor 14, the connecting shaft unit 15 drives the screw mandrel 16 to rotate, thereby The slide table 17 is driven to slide; the slide table 17 is reciprocated and slides fast and slowly through forward and reverse movement and different speeds of the driving motor 14 . The double guide rods 13 play a role in stabilizing the slide table 17 in this working process, providing support for the slide table 17, and ensuring that the slide table 17 can work correctly. The slide table 17 provides support and a reciprocating platform for other components of the processing device during the reciprocating movement.

Further, as shown in FIG. 3 , the cable clamping assembly 4 includes: a cable clamping fixing plate 41 , and the cable clamping fixing plate 41 is two symmetrically arranged pieces; The cable hugs the pressure support frame 42, and the two cables hug the pressure support frame 42 symmetrically; It at least includes: a cable-holding movable tripod 431 and cable-holding bearings 432 arranged at opposite ends of the cable-holding movable tripod 431; wherein: a cable-holding pressure is provided between two cable-holding pressure support frames 42 The adjusting unit 44 adjusts the distance between the two cable holding pressure support frames 42 through the cable holding pressure adjusting unit 44, so as to change the holding pressure of the cable holding bearing 432 of the cable holding tripod unit 43 to be processed .

The fixed plate 41 is block-shaped, and it is provided with a slot 411 for connecting the cable to hold the pressure support frame 42. One end of the cable to hold the pressure support frame 42 and the fixed plate 41 outside the slot 411 are respectively provided with positions corresponding to each other. Adapted assembly holes N, the screws M sequentially pass through the above assembly holes N to tighten the cable and press the support frame 42 to be rotatably connected to the slot 411 of the fixing plate 41 .

The cable-holding pressure support frame 42 is rod-shaped, and the cable-holding pressure support frame 42 is connected to the opposite end of the slot 411 to connect the cable-holding tripod unit 43, and the middle part of the cable-holding pressure support frame 42 is provided with a screw hole 421, The cable clamping pressure adjustment unit 44 is fitted in the screw hole 421 .

The cable-holding tripod unit 43 includes: a cable-holding movable tripod 431, a cable-holding bearing 432 and a movable hinge shaft 433 arranged at opposite ends of the cable-holding movable tripod 431. The cable-holding tripod unit 43 passes The movable hinge shaft 433 is connected to the cable-holding pressure support frame 42 , so that the cable-holding tripod unit 43 can rotate slightly along the extending direction of the cable-holding pressure support frame 42 . In this way, the bonding area between the cable-holding tripod unit 43 and the cable can be adjusted.

Further, the cable-holding movable tripod 431 is in the shape of an arc plate, and the cable-holding movable tripod 431 provides a support platform for the cable-holding bearing 432, and the cable-holding movable tripod 431 is movably connected with the movable hinge shaft 433 to ensure that the cable holds The tight bearing 432 can be in good contact with the cable; the cable tight bearing 432 enables the entire exploiting device to move in a circle along the cable, thereby realizing the assistance in the complete exploitation of the cable insulation shielding layer.

Preferably, the rotatable angles of the cable-holding bearings 432 at opposite ends of the cable-holding movable tripod 431 are set to be the same. In this way, the fitting speed of the fitting cable is improved, and the efficiency of fitting is improved.

Preferably, the cable-holding fixed plate 41 , the cable-holding pressure support frame 42 , the cable-holding movable tripod 431 and the movable hinge shaft 433 are made of aluminum alloy. In this way, the weight is reduced and the assembly structure of the equipment is more intensive.

Further, the cable clamping pressure adjusting unit 44 includes: stud bolts 441 respectively screwed in the screw holes 421 of the two cable clamping pressure support frames 42 and springs 442 respectively assembled on opposite ends of the stud bolts 441 and nut kit 443.

During specific implementation, the stud bolt 441 is rotated in conjunction with the screw nut set 443, and the stud bolt 441

Adjust and change the distance between the two cables holding the pressure support frame 42 (the force transmission of the threaded connection between the stud bolt 441 and the screw hole 421 on the cable holding the pressure support frame 42), so as to realize the cable holding the cable of the tripod unit 43 The purpose of the clamping bearing 432 is to adjust the clamping pressure of the cable line to be processed.

Wherein, the function of the spring 442 is: on the basis of the cable holding bearing 432 of the cable holding tripod unit 43 tightening and loosening the cable and providing a certain holding force, the spring 442 can play a certain role. Buffer effect, to achieve the purpose of not damaging the insulation of the cable;

During specific implementation, the cable-holding movable tripod 431 provides a support platform for the cable-holding bearing 432, and the cable-holding movable tripod 431 is movably connected with the movable hinge shaft 433 to ensure that the cable-holding bearing 432 can be in good contact with the cable. . The cable clamping pressure support frame 42, under the cooperation of the stud bolt 441, the nut set 443 and the spring 442 of the cable clamping pressure adjustment unit 44, realizes the cable clamping bearing 432 of the cable clamping tripod unit 43 to clamp the cable And release action, and provide a certain amount of holding force. Since the cable holding bearing 432 can assist the cable to perform circular motion, the complete exploitation of the cable insulation and shielding layer can be realized.

Further, referring to FIGS. 4-6 , the grinding mechanism 6 includes: a grinding mechanism base 61, a grinding mechanism guide rod 62 installed on the grinding mechanism base 61; a grinding mechanism sleeved on the grinding mechanism guide rod 62 Fixed mount 63, the grinding mechanism fixed mount 63 can move up and down along the grinding mechanism guide rod 62; The grinding mechanism motor 64 installed on the grinding mechanism fixed mount 63 one side; Support frame 65, a plurality of guide wheels 66a, 66b, 66c, 66d are fixed on the guide wheel support frame 65, the grinding mechanism motor 64 passes through the grinding mechanism guide wheel support frame 65 and is connected to a grinding mechanism transmission wheel 67, the grinding mechanism transmission wheel 67 and a plurality of guide wheels 66a, 66b, 66c, 66d are connected with abrasive paper 68 for grinding, wherein: the grinding mechanism motor 64 links the abrasive belt paper 68 through the grinding mechanism transmission wheel 67 in the grinding mechanism transmission wheel 67 and A plurality of guide wheels 66a, 66b, 66c, 66d rotate among each other, so as to polish the cable insulation shielding layer.

Further, a sanding paper grinding pressure control unit for changing the sanding paper grinding pressure is installed on the grinding mechanism fixing frame 63 . The position of the grinding mechanism fixed mount 63 relative to the grinding mechanism guide rod 62 is adjusted by the abrasive belt paper grinding pressure control unit to change the sand between the grinding mechanism drive wheel 67 and a plurality of guide wheels 66a, 66b, 66c, 66d. Tension of tape 68.

During specific implementation, there are two grinding mechanism guide rods 62, one end of which is fastened on the grinding mechanism base 61. The grinding mechanism fixing frame 63 is sleeved on the two grinding mechanism guide rods 62, which are provided with a plurality of through assembly holes according to actual needs.

The effect of grinding mechanism motor 64 is to drive the rotation of grinding mechanism drive wheel 67, thereby the abrasive belt paper 68 synchronously revolving between the grinding mechanism drive wheel 67 and a plurality of guide wheels 66a, 66b, 66c, 66d, to cable The insulation shielding layer is polished.

In this embodiment, one end of the grinding mechanism guide wheel support frame 65 is fastened on the grinding mechanism base 61 , and it is set adjacent to the grinding mechanism fixing frame 63 . The grinding mechanism motor 64 is installed on one side of the grinding mechanism fixed mount 63, the grinding mechanism transmission wheel 67 is positioned at the one side of the grinding mechanism guide wheel support frame 65, and the grinding mechanism motor 64 and the grinding mechanism transmission wheel 67 remain connected, when the grinding mechanism When the fixed mount 63 moved up and down along the grinding mechanism guide rod 62, the grinding mechanism motor 64 could link the grinding mechanism transmission wheel 67 to adjust the position, so as to change the distance between the grinding mechanism transmission wheel 67 and a plurality of guide wheels 66a, 66b, 66c, 66d. Tension of abrasive paper 68.

Preferably, the whole of the grinding mechanism guide wheel support frame 65 is Y-shaped, the middle part of which is provided with an assembly through hole 651 for the grinding mechanism motor 64 to pass through, and a plurality of guide wheels 66a, 66b, 66c, 66d are symmetrically arranged in the grinding On the mechanism guide wheel bracing frame 65, be positioned at the opposite two sides of grinding mechanism drive wheel 67 simultaneously. The effect of such setting is: to provide a balanced supporting force for the rotation of the abrasive paper 68, and the balanced fulcrum arrangement is conducive to the adjustment and control of the grinding pressure of the abrasive paper 68.

Preferably, the grinding mechanism guide wheel bearing 69 is installed in the guide wheels 66a, 66b, 66c, 66d, and the grinding mechanism guide wheel bearing 69 is made of steel material, which is not easily deformed and provides a balanced supporting force.

Preferably, the grinding mechanism base 61, the grinding mechanism fixing frame 63, the grinding mechanism guide wheel support frame 65, a plurality of guide wheels 66a, 66b, 66c, 66d and the grinding mechanism drive wheel 67 are made of aluminum alloy. In this way, the weight can be reduced, and the assembly structure of the equipment can also be more intensive.

Further, the role of the abrasive paper grinding pressure control unit is to change the tension of the abrasive paper 68 between the grinding mechanism drive wheel 67 and the plurality of guide wheels 66a, 66b, 66c, 66d.

The abrasive paper grinding pressure control unit includes: a pressure control elastic member P sleeved on the guide rod 62 of the grinding mechanism; a pressure control adjustment member Q that makes the pressure control elastic member P press against the grinding mechanism fixing frame 63, wherein: adjust The position of the pressure control adjusting part Q on the guide rod 62 of the grinding mechanism changes the degree of compression of the pressure controlling elastic part P to the fixing frame 63 of the grinding mechanism. Wherein: the pressure controlling elastic part P can be a spring in specific implementation, and the pressure controlling and adjusting Part Q can be a washer and a nut in specific implementation.

It can be understood that the compression force of the pressure control elastic member P can be changed by screwing the pressure control adjustment member Q. When the compression deformation of the pressure control elastic member P increases, the grinding mechanism fixing frame 63 moves along the grinding mechanism guide rod 62 The smaller the amount of activity, the smaller the range of change in the distance between the grinding mechanism transmission wheel 67 and the grinding mechanism base 61. Therefore, the relative distance between the grinding mechanism driving wheel 67 and the plurality of guide wheels 66a, 66b, 66c, 66d is relatively large, and the abrasive belt paper 68 is relatively tightened, and the grinding pressure is also greater. When the compression deformation of the pressure control elastic member P becomes smaller, the movable range of the grinding mechanism fixed mount 63 along the grinding mechanism guide rod 62 increases, and the distance between the grinding mechanism transmission wheel 67 and a plurality of guide wheels 66a, 66b, 66c, 66d The relative distance is relatively small, the abrasive paper 68 is relatively relaxed, and the grinding pressure is small, and the tension of the abrasive paper 68 can be changed by the above-mentioned adjustment method of the abrasive paper grinding pressure control unit. Realize the most suitable sanding pressure control.

When the screw drive cable shielding layer grinding device of the present invention is in specific operation, the cable R is firmly installed on the exploiting device through the cable holding assembly 4, and it can be rotated freely in the circumferential direction; the grinding mechanism 6 is connected to the cable R The pressure is adjusted to a moderate level, and the grinding mechanism 6 realizes grinding of cable insulation at different rotational speeds. The movement of the slide rail assembly 1 drives the control parameters of the stepper motor, such as steering, rotation speed, and number of steps, so as to realize the grinding operation of the grinding mechanism 6 on the insulation and shielding layer of the high-voltage cable.

The grinding device for the shielding layer of the screw drive cable according to the present invention has the following beneficial effects: the grinding device includes: a slide rail assembly, a grinding mechanism installed on the slide rail assembly, and a cable holding assembly. On the basis of realizing the function of cable transmission and cable grinding, the structure is simplified, the volume is reduced, and the structure arrangement is more compact.

Claims (5)

1. A screw drive cable shield grinding device, characterized in that it includes: a slide rail assembly, a cable holding assembly and a grinding mechanism installed on the slide rail assembly, wherein: The slide rail assembly includes: a base; a first fixing base, a second fixing base and a third fixing base respectively arranged on the base, the first fixing base, the second fixing base and the third fixing base There is at least one guide rod between them; the travel drive motor installed on the first fixed base; the screw rod connected to the travel drive motor through a shaft coupling unit, and the shaft coupling unit is mounted on the Between the first fixed seat and the second fixed seat, the screw rod is installed between the second fixed seat and the third fixed seat, connected to the screw rod and can be guided by the guide rod sliding table for guidance; The grinding mechanism includes: a grinding mechanism base; a grinding mechanism guide rod installed on the grinding mechanism base; a grinding mechanism fixing frame sleeved on the grinding mechanism guide rod, and the grinding mechanism fixing frame can The grinding mechanism guide rod moves; the grinding mechanism motor is installed on one side of the grinding mechanism fixing frame; The grinding mechanism guide wheel support frame installed on the other side of the grinding mechanism fixing frame, the guide wheel support frame is fixed with a plurality of guide wheels; the grinding mechanism motor passes through the grinding mechanism guide wheel support frame and is connected to a Grinding mechanism driving wheel, abrasive paper for grinding is connected between the grinding mechanism driving wheel and the plurality of guide wheels; wherein: The traveling drive motor drives the coupling unit and the screw to rotate, and links the sliding table on the screw to reciprocate; the grinding mechanism motor links the abrasive belt through the grinding mechanism transmission wheel. The paper rotates between the driving wheel of the grinding mechanism and the plurality of guide wheels, so as to grind the insulating shielding layer of the cable. 2. screw drive cable shielding layer grinding device as claimed in claim 1, characterized in that, said grinding mechanism fixed frame is equipped with an abrasive paper grinding pressure control unit for changing said abrasive paper grinding pressure situation . 3. The device for grinding the shielding layer of the screw drive cable according to claim 2, wherein the abrasive paper grinding pressure control unit comprises: a pressure control elastic member sleeved on the guide rod of the grinding mechanism; The pressure control elastic member is pressed against the pressure control adjustment member on the grinding mechanism fixing frame, wherein: adjusting the position of the pressure control adjustment member on the guide rod of the grinding mechanism changes the pressure control elastic member to the pressure control adjustment member. Describe the compression degree of the fixing frame of the grinding mechanism. 4. The device for grinding the shielding layer of the screw drive cable according to claim 1, wherein the sliding table comprises: a sliding table body; a bearing platform installed on the sliding platform body, and the bearing platform It can be connected to the screw rod in transmission; linear bearings are installed on the opposite sides of the bearing platform, and the guide rod passes through the linear bearing, wherein: the screw rod rotates to transmit the transmission force to the bearing platform, The support platform is linked with the sliding platform body to reciprocate along the extending direction of the guide rod. 5 . The device for grinding the shielding layer of a screw drive cable according to claim 4 , wherein there is no turning gap between the shaft sleeve and the intermediate body. 6 .