CN116799587A - Single-power modularized high-voltage cable end machining system - Google Patents

Abstract

The invention discloses a single-power modularized high-voltage cable end processing system which comprises a shell, wherein a left mounting seat, a right mounting seat, a ball screw, a double-output-shaft stepping motor, two guide shafts, a cable cutting module and a cable polishing module are arranged in the shell; the ball screw is matched with a nut; the left mounting seat and the right mounting seat are fixedly connected with the double-output-shaft stepping motor shell and are provided with linear bearings matched with the two guide shafts; the cable cutting module comprises a cutting unit and a transmission unit A; the polishing unit is in running fit with the right mounting seat and is provided with a grinding tool; the transmission unit B is connected with the output shaft of the other side of the double-output-shaft stepping motor, and transmits the rotation of the output shaft of the other side to the polishing unit, so that the polishing tool polishes the cable skin along the circumferential direction of the cable; the output shaft of the double-output shaft stepping motor is connected with a nut on the ball screw and drives the nut to rotate, and a through hole and a clamp device for radially clamping and fixing the cable along the through hole are arranged on the shell. The portable electric cable cutter is portable and can cut and polish the electric cable simultaneously.

Description

Single-power modularized high-voltage cable end machining system

Technical Field

The invention relates to high-voltage cable pretreatment equipment, in particular to a single-power modularized high-voltage cable end processing system.

Background

At present, under the development background of the national key construction 'western electric east delivery' project, the power transmission network of China is further perfected, and the power supply structure is greatly transformed. The Western electric east-delivery project relates to a long-distance and ultra-high voltage power transmission mode, and becomes a main power transmission way in China in the future. The pretreatment of the cable joint is used as a necessary procedure for connecting the end heads of the high-voltage cable, the process is tedious, the precision requirement is high, the lower precision caused by manual machining is the main reason for the failure of the cable joint, and the failure of the cable joint can cause regional large-scale power failure and even fire disaster, thereby seriously affecting the life and property safety of people.

The invention discloses a method for cutting a high-voltage cable insulating shielding layer by a machine, which is disclosed in China patent with the application number of 202110206575.9, namely a portable automatic cutting device for a high-voltage cable insulating layer, but the device can only cut the high-voltage cable insulating layer and cannot polish the high-voltage cable insulating layer at the same time, and has low processing precision and poor device stability.

The invention discloses a high-voltage cable cutting device with variable cutting radius, which is disclosed in China patent with the application number of 201911102444.5 and the name of a cone head processing system of an automatic cable head manufacturing device, wherein the mass distribution of a rotary cutter disc of the device is uneven, and the variable centrifugal force can be generated in the rotary cutting process, so that the processing precision is reduced, and the device is large in size and cannot be used in a narrow cable pit.

The invention discloses a device for cutting a cable in a box body, which can only put the cable from the top, but the cable is mostly put on the construction site, so that the difficulty of processing is increased, the cable connector is forcibly rotated by 90 degrees, the alignment of the cable can be influenced to a certain extent, meanwhile, the processing precision is reduced, and the engineering popularization is not realized.

The invention discloses a lightweight cable end cutting treatment device, which is convenient to carry and wide in application environment, but requires manual operation by workers, has low automation degree, and has low machining precision and machining quality due to the fact that machining dimensions are completely estimated and visually measured by manpower.

Disclosure of Invention

The invention provides a single-power modularized high-voltage cable end processing system for solving the technical problems in the prior art.

The invention adopts the technical proposal for solving the technical problems in the prior art that:

a single-power modularized high-voltage cable end processing system comprises a shell, wherein a left mounting seat, a right mounting seat, a ball screw, a double-output-shaft stepping motor, two guide shafts, a cable cutting module and a cable polishing module are arranged in the shell; the ball screw and the two guide shafts are correspondingly fixed at the left side and the right side of the shell at two ends of the ball screw and the two guide shafts, and the axes of the ball screw, the two guide shafts and the shell are mutually parallel; the ball screw is matched with a nut; the left mounting seat and the right mounting seat are fixedly connected with the shell of the double-output-shaft stepping motor; both are provided with linear bearings matched with the two guide shafts; the cable cutting module comprises a cutting unit and a transmission unit A; the cutting unit is in rotating fit with the left mounting seat and is provided with a cutting tool; the transmission unit A is connected with one side output shaft of the double-output-shaft stepping motor, and transmits the rotation of the side output shaft to the cutting unit, so that the cutting tool cuts the surface of the cable to be cut along the circumferential direction of the cable; the cable polishing module comprises a polishing unit and a transmission unit B; the polishing unit is in running fit with the right mounting seat and is provided with a grinding tool; the transmission unit B is connected with the output shaft of the other side of the double-output-shaft stepping motor, and transmits the rotation of the output shaft of the other side to the polishing unit, so that the grinding tool polishes the surface of the cable to be polished along the circumferential direction of the cable; one side output shaft of the double-output-shaft stepping motor is connected with a nut on the ball screw and drives the nut to rotate, and drives the double-output-shaft stepping motor shell to move left and right; the left side wall, the right side wall, the left mounting seat, the right mounting seat, the cable cutting module and the cable polishing module are respectively provided with coaxial through holes for passing through cables; the outer side surface of the shell is provided with a clamp device for radially clamping and fixing the cable along the through hole.

Further, a driving gear A is fixedly sleeved on an output shaft on one side connected with the transmission unit A in the double-output-shaft stepping motor; the transmission unit A comprises a driven gear B, and the gear A is meshed with the gear B; the cutting unit comprises a turntable A, the turntable A is rotationally connected with the left mounting seat, the cutting tool is arranged on the left end face of the turntable A, and the right end face of the turntable A is fixedly connected with the gear B; turntable A is coaxial with gear B.

Further, the left mounting seat is sleeved outside the rotary table A, a plurality of cylindrical grooves A are uniformly distributed on the circumference of the sleeved surface of the left mounting seat, spherical universal wheels A are arranged in the cylindrical grooves A, annular grooves A matched with the spherical universal wheels A are formed in the sleeved surface of the rotary table A, and the cross sections of the annular grooves A are arc-shaped.

Further, the left mounting seat is connected with the turntable A through a bearing A.

Further, a driving synchronous belt wheel is fixedly sleeved on an output shaft on one side of the double-output-shaft stepping motor, which is connected with the transmission unit B; the transmission unit B comprises a turntable B; the rotary table B is rotationally connected with the right mounting seat, and the left end face of the rotary table B is fixedly connected with a driven synchronous pulley; the driven synchronous pulley is coaxial with the turntable B; the master synchronous pulley and the slave synchronous pulley are wound with a synchronous belt; the polishing unit comprises a polishing platform which is fixedly connected with the right end face of the turntable B; the right end face of the polishing platform is provided with a driving sand belt wheel, a driven sand belt wheel and a tensioning sand belt wheel; the grinding tool is an abrasive belt which is sequentially wound on the driving abrasive belt wheel, the driven abrasive belt wheel and the tensioning abrasive belt wheel; the polishing platform is provided with a hole for installing a bearing, and a connecting shaft is sleeved in the bearing in the hole; one end of the connecting shaft is fixedly connected with the driving abrasive belt wheel, and the other end of the connecting shaft is connected with a gear C; the right end face of the right mounting seat is fixedly connected with a gear D, and the gear C is meshed with the gear D.

Further, the right mounting seat is sleeved outside the rotary table B, a plurality of cylindrical grooves B are uniformly distributed on the circumference of the sleeved surface of the right mounting seat, spherical universal wheels B are arranged in the cylindrical grooves B, annular grooves B matched with the spherical universal wheels B are formed in the sleeved surface of the rotary table B, and the cross sections of the annular grooves B are arc-shaped.

Further, the clamp device comprises an upper clamp A, a lower clamp A, a first screw A, a second screw A, a first guide rod and a second guide rod; the first guide rod and the second guide rod are symmetrically fixed at two sides of the through hole of the shell, and two ends of the first guide rod and the second guide rod are fixedly connected with the two connecting rods to form a rectangular frame; the upper clamp A and the lower clamp A are V-shaped, openings of the upper clamp A and the lower clamp A are opposite, the top of the upper clamp A is fixedly connected with the bottom end of the first screw A, and a rotating handle is arranged on the upper part of the first screw A; the bottom of the lower clamp A is fixedly connected with the top end of the second screw A, and a rotary handle is arranged at the lower part of the second screw A; the two pairs of supporting legs forming the V shape of the upper clamp A and the lower clamp A are correspondingly provided with through holes which are in sliding fit with the first guide rod and the second guide rod, and screw holes are respectively formed in the middle of the two connecting rods and correspondingly connected with the first screw rod A and the second screw rod A in a threaded manner; when the cable is clamped, the rotating handle of the first screw rod A is rotated to enable the upper clamp A to move downwards, the rotating handle of the second screw rod A is rotated to enable the lower clamp A to move upwards, and the cable is clamped.

Further, the clamp device comprises an upper clamp B, a lower clamp B, a first screw rod B, a second screw rod B, a third screw rod B, a first fixing seat, a second fixing seat, a third fixing seat and a third fixing seat, wherein the first screw rod B and the third screw rod B are mutually parallel; the first to third fixing seats are fixedly connected with the shell; the first screw rod B and the second screw rod B are symmetrically arranged at two sides of the through hole of the shell, the upper parts of the first screw rod B and the second screw rod B are polished rod parts, the lower parts of the first screw rod B and the second screw rod B are screw rod parts, the upper ends of the first screw rod B and the second screw rod B are rotationally connected with a connecting rod B, and the lower ends of the first screw rod B and the second screw rod B are provided with rotary handles; the connecting rod B is fixedly connected with the shell; the center of the connecting rod B is provided with a through hole penetrating through the third screw rod B; the upper clamp B and the lower clamp B are V-shaped, openings of the upper clamp B and the lower clamp B are opposite, the top of the upper clamp B is fixedly connected with the lower end of the third screw rod B, and a rotating handle is arranged at the upper end of the third screw rod B; two supporting legs forming the V shape of the upper clamp B are correspondingly provided with through holes which are in sliding fit with the polish rod parts of the first screw rod B and the second screw rod B, and the two supporting legs forming the V shape of the lower clamp B are correspondingly sleeved with the middle parts of the first screw rod B and the second screw rod B and move up and down along with the middle parts of the first screw rod B and the second screw rod B; when the cable is clamped, the rotating handle of the third screw rod B is rotated to enable the upper clamp B to move downwards, and meanwhile, the rotating handles of the first screw rod B and the second screw rod B are rotated to enable the lower clamp B to move upwards to clamp the cable.

Further, the clamping device comprises a three-jaw chuck.

Further, one side output shaft of the double-output-shaft stepping motor is fixedly sleeved with a gear E, the outer part of a nut of the ball screw is fixedly sleeved with a gear F and a bearing C, and the gear E is meshed with the gear F; the outer ring of the bearing C is fixedly connected with the shell of the double-output-shaft stepping motor.

The invention has the advantages and positive effects that:

1. according to the single-power modularized high-voltage cable end processing system, the cable cutting module and the cable polishing module are driven by the same double-output-shaft stepping motor, and the double-output-shaft stepping motor shares two output shafts and can output torque in two directions at the same time, so that the overall weight of the device is reduced, the transmission structure of the device is simplified, the failure rate of a machine is reduced, and the usability of the device is improved. The processing stability and the processing efficiency are ensured; the light single-power modularized high-voltage cable end processing system can cut one end, polish the other end at the same time, connect a motor with the same input interface, and finish processing without disassembling a rack and directly replacing a module, thereby meeting the automation of the processing process while ensuring the light weight of a mechanical structure. The portable and portable box-type structure can meet the occasion that the on-site processing needs to be carried, simultaneously ensures the stability of the processing process, avoids the influence of dirt during processing, and can adapt to various complex cable joint processing environments.

2. The rotating part of the cutting device is the rotary table A, the rotary table A has lighter weight and more uniform distribution, can generate smaller deflection inertia during processing, has smaller radial offset, can ensure the constancy of the cutting depth as much as possible, and is also beneficial to improving the cutting precision of the cable.

3. The fixture device for fixing the end cable is arranged, the cable to be processed can be straightened, radial fixation of the cable is realized, radial relative stillness of the cable is guaranteed in the processing process, the cable to be processed is cut and polished with higher precision, the failure rate of a finished product of the processed cable is reduced, and safe operation of a power transmission system is guaranteed.

Drawings

FIG. 1 is an overall schematic of a single-power modular high-voltage cable termination processing system;

FIG. 2 is a schematic diagram of the internal structure of a single-power modular high-voltage cable termination processing system;

FIG. 3 is a schematic side view of a cable cutting module of a single-power modular high-voltage cable head processing system;

FIG. 4 is a schematic diagram of the front side of a cable cutting module of a single-power modular high-voltage cable head processing system;

FIG. 5 is an internal schematic view of a cable cutting module of a single-power modular high-voltage cable head processing system;

FIG. 6 is a schematic diagram of a cable sharpening module of a single-power modular high-voltage cable end machining system;

fig. 7 is a rear schematic view of a cable sharpening module of a single-power modular high-voltage cable end machining system.

In the figure:

1. a housing; 11. a ball screw; 12. a guide shaft; 13. a clamp device; 130. a third rotary handle B; 131. a first rotary handle B; 132. a second rotary handle B; 133. a third screw B; 134. a first screw B; 135. a second screw B; 136. an upper clamp B; 137. a lower clamp B; 138. a first fixing seat; 139. the second fixing seat; 140. and the third fixing seat.

2. A cable cutting module; 201. a gear E; 202. a gear F; 203. a nut; 204. a gear connecting shaft; 205. a gear A; 206. a gear B; 207. a turntable A; 208. a left mounting seat; 209. spherical universal wheel A; 210. a lathe tool fixer; 211. turning tools; 212. and (3) encapsulating the bearing.

3. A double-output-shaft stepping motor; 31. a cutting side output shaft; 32. polishing the side output shaft; 33. a double-output shaft stepping motor shell.

4. A cable polishing module; 401. a driving synchronous pulley; 402. a synchronous belt; 403. a driven synchronous pulley; 404. tensioning the synchronous belt wheel; 405. a turntable B; 406. spherical universal wheels B; 407. a right mounting seat; 408. polishing the platform; 409. a driving sand belt wheel; 410. driven sand belt wheel; 411. tensioning the abrasive belt wheel seat; 412. a connecting shaft; 413. a gear C; 414. a spring; 415. tensioning the sand belt wheel; 416. abrasive belt; 417. a gear D; 418. a linear bearing; 419. a right mounting seat and a connecting plate of the double-output-shaft stepping motor shell; 420. tensioning the synchronous belt wheel seat.

Detailed Description

The present invention will be described in detail below with reference to the drawings in conjunction with the embodiments, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only and are not intended to limit the present invention.

In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, only for convenience in describing the present invention, and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1 to 7, a single-power modularized high-voltage cable end processing system comprises a housing 1, wherein a left mounting seat 208, a right mounting seat 407, a ball screw 11, a double-output-shaft stepping motor 3, two guide shafts 12, a cable cutting module 2 and a cable polishing module 4 are arranged in the housing 1; the ball screw 11 and the two guide shafts 12 are correspondingly fixed at the left side and the right side of the shell 1 at two ends, and the axes of the ball screw 11, the two guide shafts 12 are mutually parallel; the ball screw 11 is fitted with a nut 203; a left mounting seat 208 and a right mounting seat 407, both of which are fixedly connected with the double-output-shaft stepping motor shell 33; both are provided with linear bearings 418 which cooperate with the two guide shafts 12; the cable cutting module 2 comprises a cutting unit and a transmission unit A; a cutting unit, which is in a rotating fit with the left mounting base 208, on which a cutting tool is provided; the transmission unit A is connected with one side output shaft of the double-output-shaft stepping motor 3 and transmits the rotation of the side output shaft to the cutting unit, so that the cutting tool cuts the surface of the cable to be cut along the circumferential direction of the cable; the cable polishing module 4 comprises a polishing unit and a transmission unit B; a polishing unit which is in rotary fit with the right mounting seat 407 and is provided with a grinding tool; the transmission unit B is connected with the output shaft of the other side of the double-output-shaft stepping motor 3, and transmits the rotation of the output shaft of the other side to the polishing unit, so that the grinding tool polishes the surface of the cable to be polished along the circumferential direction of the cable; one side output shaft of the double-output-shaft stepping motor 3 is connected with a nut 203 on the ball screw 11 and drives the nut to rotate, and drives the double-output-shaft stepping motor shell 33 to move left and right; the left and right side walls of the shell 1, the left mounting seat 208, the right mounting seat 407, the cable cutting module 2 and the cable polishing module 4 are respectively provided with coaxial through holes passing through cables; the outer side of the housing 1 is provided with clamping means 13 for clamping the cable passing through the through hole radially along the through hole.

The right mount 407 and the dual output stepper motor housing 33 may be connected to the connection plate 419 of the dual output stepper motor housing through the right mount.

Preferably, a driving gear A205 is fixedly sleeved on an output shaft on one side of the double-output-shaft stepping motor 3 connected with the transmission unit A; the transmission unit a may include a driven gear B206, and the gear a205 and the gear B206 are meshed with each other; the cutting unit can comprise a rotary table A207, the rotary table A207 is rotationally connected with a left mounting seat 208, a cutting tool can be mounted on the left end face of the rotary table A207, and the right end face of the rotary table A207 is fixedly connected with a gear B206; carousel a207 is coaxial with gear B206. The turning tool holder 210 is fixed to the turntable a207 by bolts, and a standard turning tool 211 is mounted on the turning tool holder 210.

Preferably, the left mounting seat 208 can be sleeved outside the rotary table A207, a plurality of cylindrical grooves A can be circumferentially and uniformly distributed on the sleeved surface of the left mounting seat 208, spherical universal wheels A209 are arranged in the cylindrical grooves A, an annular groove A matched with the spherical universal wheels A209 is formed in the sleeved surface of the rotary table A207, and the cross section of the annular groove A is arc-shaped. The annular groove A forms a rolling passage of the spherical universal wheel A209. The function of the spherical universal wheel A209 is the same as that of the balls of the bearing, and the spherical universal wheel A209 is used as a rolling body, is contacted with the annular groove A, has low friction coefficient and supports the turntable A207.

Preferably, the left mounting block 208 and the turntable a207 may be connected by a bearing a.

Preferably, an output shaft on one side of the double-output-shaft stepping motor 3 connected with the transmission unit B can be fixedly sleeved with a driving synchronous pulley 401; the transmission unit B may include a rotary disk B405; the rotary table B405 is rotationally connected with the right mounting seat 407, and the left end face of the rotary table B405 can be fixedly connected with a driven synchronous pulley 403; the driven synchronous pulley 403 is coaxial with the turntable B405; the tensioning synchronous pulley seat 420 is provided with a tensioning synchronous pulley 404; a timing belt 402 is wound around the driving timing pulley 401, the driven timing pulley 403, and the tension timing pulley 404.

The polishing unit can comprise a polishing platform 408, and the polishing platform 408 can be fixedly connected with the right end surface of the turntable B405; the right end surface of the polishing platform 408 can be provided with a driving sand belt pulley 409, a driven sand belt pulley 410 and a tensioning sand belt pulley 415; the grinding tool can be an abrasive belt 416, and the abrasive belt 416 is sequentially wound on the driving abrasive belt pulley 409, the driven abrasive belt pulley 410 and the tensioning abrasive belt pulley 415; the sanding platform 408 may be provided with a hole for mounting a bearing, which may be sleeved with a connecting shaft 412; one end of the connecting shaft 412 can be fixedly connected with the driving sand belt pulley 409, and the other end of the connecting shaft 412 can be connected with a gear C413; the right end face of the right mounting seat 407 may be fixedly connected with a gear D417, and the gear C413 is meshed with the gear D417. The circumferential surface of the right end of the right mount 407 may be directly toothed to form the gear D417. Abrasive belt 416 is operated with its friction against the cable surface oriented perpendicular to the cable radius. The tensioning abrasive belt wheel seat 411 is provided with a spring 414, and the abrasive belt 416 is tensioned by the spring 414.

Preferably, the right mounting seat 407 may be sleeved outside the rotary disc B405, the right mounting seat 407 may be uniformly provided with a plurality of cylindrical grooves B in the circumferential direction of the sleeved surface, the cylindrical grooves B may be internally provided with spherical universal wheels B406, the rotary disc B405 may be provided with annular grooves B matched with the spherical universal wheels B406 in the sleeved surface, and the cross section of the annular grooves B may be arc-shaped. The annular groove B constitutes a rolling channel of the spherical castor B406. The function of the spherical universal wheel B406 is the same as the ball function of the bearing, both supporting rotation and reducing friction, the spherical universal wheel B406 as a rolling body is in contact with the annular groove B, the friction coefficient is low, and the turntable B405 is supported.

Preferably, spherical castor A209 and spherical castor B406 are selected from small diameter heavy duty spherical castor.

Spherical universal wheel A209 and spherical universal wheel B406 can be equipped with cylindrical base, and spherical universal wheel A209 cylindrical base stiff end passes through the screw rod and is fixed in cylindrical recess A of left mount pad 207 with the nut, and spherical universal wheel B406 cylindrical base stiff end passes through the screw rod and is fixed in cylindrical recess B of right mount pad 407 with the nut, and spherical universal wheel A209 and spherical universal wheel B406's non-stiff end is equipped with the spherical recess with sphere complex.

Preferably, right mount 407 and turntable B405 may be coupled by a bearing B.

The turntable A207 and the turntable B405 can be uniformly provided with the rubber coating bearings 212 along the circumferential direction, and the turntable A207 and the turntable B405 can be provided with fixed shafts; the encapsulation bearing 212 is sleeved on the fixed shaft bearing. The fixed axis is parallel to the turntable a207, turntable B405. The rubber covered bearing 212 is used for limiting the large radial movement of the cable during processing and is used for assisting in supporting and centering the cable.

Preferably, the clamp device 13 may include an upper clamp a, a lower clamp a, a first screw a, a second screw a, a first guide bar, a second guide bar; the first guide rod and the second guide rod can be symmetrically fixed at two sides of the through hole of the shell 1, and two ends of the first guide rod and the second guide rod are fixedly connected with two connecting rods to form a rectangular frame; the upper clamp A and the lower clamp A are V-shaped, openings of the upper clamp A and the lower clamp A are opposite, the top of the upper clamp A can be fixedly connected with the bottom end of the first screw A, and a rotating handle can be arranged on the upper part of the first screw A; the bottom of the lower clamp A can be fixedly connected with the top end of the second screw A, and a rotary handle can be arranged at the lower part of the second screw A.

The two pairs of V-shaped supporting legs of the upper clamp A and the lower clamp A are correspondingly provided with through holes which are in sliding fit with the first guide rod and the second guide rod. A pair of V-shaped supporting legs of the upper clamp A are correspondingly provided with through holes which are in sliding fit with the first guide rod and the second guide rod; one of the pair of support legs of the upper clamp A is provided with a through hole which is in sliding fit with the first guide rod; the other support leg is provided with a through hole which is in sliding fit with the second guide rod; a pair of V-shaped supporting legs of the lower clamp A are also provided with through holes which are in sliding fit with the first guide rod and the second guide rod; one of the pair of support legs of the lower clamp A is provided with a through hole which is in sliding fit with the first guide rod; the other support leg is provided with a through hole which is in sliding fit with the second guide rod.

Screw holes are formed in the middle of the two connecting rods and are correspondingly connected with the first screw A and the second screw A in a threaded manner; namely, a screw hole is formed in the middle of the connecting rod above and is in threaded connection with the first screw A; the middle of the connecting rod below is provided with a screw hole and is in threaded connection with the second screw A.

When the cable is clamped, the rotating handle of the first screw rod A is rotated to enable the upper clamp A to move downwards, the rotating handle of the second screw rod A is rotated to enable the lower clamp A to move upwards, and the cable is clamped.

Preferably, the clamp device 13 comprises an upper clamp B136, a lower clamp B137, a first screw B134, a second screw B135 and a third screw B133 which are parallel to each other, and a first fixed seat 138, a second fixed seat 139 and a third fixed seat 140 which are in threaded connection with the first screw B134, the second screw B135 and the third screw B133; the first fixing seat 138, the second fixing seat 139 and the third fixing seat 140 are fixedly connected with the shell 1; the first screw B134 and the second screw B135 can be symmetrically arranged at two sides of the through hole of the shell 1, the upper parts of the first screw B and the second screw B are polished rod parts, the lower parts of the first screw B and the second screw B are screw parts, the upper ends of the first screw B and the second screw B can be rotationally connected with a connecting rod B, and the lower ends of the first screw B and the second screw B can be provided with rotary handles; the spin handle of the first screw B134 is referred to as a first spin handle B131, and the spin handle of the second screw B135 is referred to as a second spin handle B132.

The connecting rod B can be fixedly connected with the shell 1. The center of the connecting rod B is provided with a through hole penetrating through the third screw B133; the left and right ends of the connecting rod B can be provided with vertical through holes, and upper polished rods of the first screw rod B134 and the second screw rod B135 correspondingly penetrate through the through holes at the left and right ends of the connecting rod B.

The upper clamp B136 and the lower clamp B137 are both V-shaped, openings of the upper clamp B136 and the lower clamp B137 are opposite, the top of the upper clamp B136 is fixedly connected with the lower end of the third screw rod B133, and a rotary handle is arranged at the upper end of the third screw rod B133 and is called a third rotary handle B130; two supporting legs of the upper clamp B136 forming a V shape are correspondingly provided with through holes which are in sliding fit with the polish rod parts of the first screw rod B and the second screw rod B, one supporting leg of the upper clamp B136 is provided with a through hole which is in sliding fit with the polish rod part of the first screw rod B134, and the other supporting leg of the upper clamp B136 is provided with a through hole which is in sliding fit with the polish rod part of the second screw rod B135; two supporting legs of the lower clamp B137 forming a V shape are correspondingly sleeved with the middle parts of the first screw rod B and the second screw rod B and move up and down along with the middle parts; the middle parts of the first screw rod B and the second screw rod B can be provided with annular bulges or shoulders for supporting the lower clamp B137, two supporting legs of the lower clamp B137 forming a V shape can be correspondingly provided with through holes for clearance fit with the first screw rod B and the second screw rod B, and the lower surfaces of the two supporting legs of the lower clamp B137 forming the V shape are contacted with the upper surfaces of the shoulders.

When the cable is clamped, the rotating handle of the third screw rod B133 is rotated to enable the upper clamp B136 to move downwards, and meanwhile, the rotating handles of the first screw rod B and the second screw rod B are rotated to enable the middle parts of the first screw rod B and the second screw rod B to be used for supporting annular protrusions or shoulders of the lower clamp B137 to move upwards, so that the lower clamp B137 moves upwards to clamp the cable.

Preferably, the clamping device 13 comprises a three jaw chuck. The three-jaw chuck may be fixed to the outside of the housing 1.

The three-jaw chuck consists of a chuck body, movable jaws and a jaw driving mechanism. A self-centering three-jaw chuck is preferred. The small bevel gear of the three-jaw chuck is rotated by a wrench, so that 3 jaws can simultaneously move along the radial direction, and automatic centering and clamping are realized.

Preferably, one side output shaft of the double-output-shaft stepping motor 3 is fixedly sleeved with a gear E201, the nut 203 of the ball screw 11 is fixedly sleeved with a gear F202 and a bearing C, and the gear E201 is meshed with the gear F202; the outer ring of the bearing C is fixedly connected with the shell of the double-output-shaft stepping motor 3. The gear case housing of the gear F is fixedly connected with a left mounting seat 208, and the left mounting seat 208 is fixedly connected with a double-output-shaft stepping motor housing 33.

The motor shaft rotates to drive the gear E201 to rotate, the gear E201 serves as a driving gear to drive the gear F202 to rotate, so that the nut 203 of the ball screw 11 rotates, the nut 203 moves linearly left and right along the ball screw 11, the outer side of the nut 203 of the ball screw 11 is fixedly connected with the inner ring of the bearing C, the inner ring rotates, the outer ring of the bearing C does not rotate and moves linearly left and right along with the inner ring of the bearing C, the outer ring of the bearing C is fixedly connected with the shell of the double-output-shaft stepping motor 3, and the shell of the double-output-shaft stepping motor 3 moves linearly left and right along with the outer ring of the bearing C; the left and right mounting seats 407 also linearly move left and right with the outer ring of the bearing C, that is, with the nut 203 of the ball screw 11.

The working principle of the invention is as follows:

the working principle of the cable cutting module 2 is as follows: the double-output-shaft stepping motor 3 transmits torque to the gear E201 through the cutting-side output shaft 31, and the cutting-side output shaft 31 is connected with the gear connecting shaft 204 through a coupling; the driving gear A205 is driven to rotate through the gear connecting shaft 204, the driven gear B206 is driven to rotate simultaneously, the rotary table A207 and the driven gear B206 on the cutting side are connected through bolts and rotate at the same angular speed, a standard turning tool fixed on the rotary table A207 is driven to cut around a cable, meanwhile, the gear E201 drives the gear F202 on the screw nut 203 to rotate, and the cable cutting module is driven to move along the axial direction of the cable through matching with the ball screw 11 and the nut 203 of the ball screw, so that the cutting of the limited length of the cable is realized.

The working principle of the cable polishing module 4 is as follows: the double-output-shaft stepping motor 3 drives the driving synchronous pulley 401 to rotate through the polishing side output shaft 32, drives the driven synchronous pulley 403 to rotate at the same linear speed, the driven synchronous pulley 403 and the rotary table B405 are connected through bolts and perform circumferential movement around the cable together, the abrasive belt mounted on the polishing platform 408 also performs circumferential movement around the cable, the gear C413 and the right end gear D417 of the right mounting seat 407 take the relative movement difference between the rotary table B405 and the right mounting seat 407 as a power source, the driving abrasive belt pulley 409 is driven to rotate, the abrasive belt is driven to perform circumferential rotation around the cable and simultaneously generate tangential movement relative to the cable surface, and polishing of the cable surface is achieved.

When the cable cutting machine works, the cable cutting machine can cut or polish the cable independently, and can cut and polish the cable simultaneously. When the cable is cut alone or polished alone or cut and polished simultaneously, the initial position and the end position of the motor are determined by arranging the corresponding positioning blocks and the limit switch.

Workflow of cutting cables alone:

the double-output-shaft stepping motor 3 is positioned at the right-end starting position, the end part of a cable to be cut is inserted from the left side of the shell 1, the clamp device 13 clamps the cable, the double-output-shaft stepping motor 3 is started, the double-output-shaft stepping motor 3, the nut 203 and the left and right mounting seats 407 are linearly moved from right to left, the cable cutting module 2 starts to cut from the end part of the cable, when the cable cutting is completed, the double-output-shaft stepping motor 3 stops, the clamp device 13 loosens the cable, the cable moves out, the motor is reversed, and the cable returns to the starting position. The positioning block and the limit switch are arranged, the motor is automatically controlled to work, and the motor is automatically stopped after reaching the corresponding position.

Work flow of polishing cables individually:

the double-output-shaft stepping motor 3 is positioned at the left end starting position, the end part of a cable to be polished is inserted from the right through hole of the shell 1, the clamp device 13 clamps the cable, the double-output-shaft stepping motor 3 is started, the double-output-shaft stepping motor 3, the nut 203 and the left and right mounting seats 407 are linearly moved from left to right, the cable polishing module 4 starts polishing from the end part of the cable, when the cable is polished, the double-output-shaft stepping motor 3 stops, the clamp device 13 loosens the cable, the cable moves out, the motor is reversed, and the cable returns to the starting position. The positioning block and the limit switch are arranged, the motor is automatically controlled to work, and the motor is automatically stopped after reaching the corresponding position.

The working procedure of cutting and polishing the cable simultaneously comprises the following steps:

the double-output-shaft stepping motor 3 is located at the right-end starting position, the cable end to be cut is inserted from the left through hole of the shell 1, the cable end to be polished is inserted from the right side of the shell 1, the left-right side clamping device 13 clamps the cable, the double-output-shaft stepping motor 3 is started, the double-output-shaft stepping motor 3, the nut 203 and the left-right mounting seat 407 are linearly moved from right to left, the cable polishing module 4 starts polishing from the cable root, the cable cutting module 2 starts cutting from the cable end, and when the cable cutting is completed, the cable polishing operation is also completed in advance or simultaneously. The double-output-shaft stepping motor 3 is stopped, the clamp device 13 releases the cable, the cable is removed, the motor is reversed, and the motor returns to the starting position. The positioning block and the limit switch are arranged, the motor is automatically controlled to work, and the motor is automatically stopped after reaching the corresponding position.

The modules, units, devices and components can be constructed by adopting the modules, units, devices and components applicable to the prior art or adopting the modules, units, devices and components in the prior art through conventional technical means.

The above-described embodiments are only for illustrating the technical spirit and features of the present invention, and it is intended to enable those skilled in the art to understand the content of the present invention and to implement it accordingly, and the scope of the present invention is not limited to the embodiments, i.e. equivalent changes or modifications to the spirit of the present invention are still within the scope of the present invention.

Claims (10)

1. The single-power modularized high-voltage cable end processing system is characterized by comprising a shell, wherein a left mounting seat, a right mounting seat, a ball screw, a double-output-shaft stepping motor, two guide shafts, a cable cutting module and a cable polishing module are arranged in the shell; the ball screw and the two guide shafts are correspondingly fixed at the left side and the right side of the shell at two ends of the ball screw and the two guide shafts, and the axes of the ball screw, the two guide shafts and the shell are mutually parallel; the ball screw is matched with a nut; the left mounting seat and the right mounting seat are fixedly connected with the shell of the double-output-shaft stepping motor; both are provided with linear bearings matched with the two guide shafts; the cable cutting module comprises a cutting unit and a transmission unit A; the cutting unit is in rotating fit with the left mounting seat and is provided with a cutting tool; the transmission unit A is connected with one side output shaft of the double-output-shaft stepping motor, and transmits the rotation of the side output shaft to the cutting unit, so that the cutting tool cuts the surface of the cable to be cut along the circumferential direction of the cable; the cable polishing module comprises a polishing unit and a transmission unit B; the polishing unit is in running fit with the right mounting seat and is provided with a grinding tool; the transmission unit B is connected with the output shaft of the other side of the double-output-shaft stepping motor, and transmits the rotation of the output shaft of the other side to the polishing unit, so that the grinding tool polishes the surface of the cable to be polished along the circumferential direction of the cable; one side output shaft of the double-output-shaft stepping motor is connected with a nut on the ball screw and drives the nut to rotate, and drives the double-output-shaft stepping motor shell to move left and right; the left side wall, the right side wall, the left mounting seat, the right mounting seat, the cable cutting module and the cable polishing module are respectively provided with coaxial through holes for passing through cables; the outer side surface of the shell is provided with a clamp device for radially clamping and fixing the cable along the through hole.

2. The single-power modularized high-voltage cable end processing system according to claim 1, wherein a driving gear A is fixedly sleeved on an output shaft on one side of the double-output-shaft stepping motor, which is connected with the transmission unit A; the transmission unit A comprises a driven gear B, and the gear A is meshed with the gear B; the cutting unit comprises a turntable A, the turntable A is rotationally connected with the left mounting seat, the cutting tool is arranged on the left end face of the turntable A, and the right end face of the turntable A is fixedly connected with the gear B; turntable A is coaxial with gear B.

3. The single-power modularized high-voltage cable end processing system according to claim 2, wherein the left mounting seat is sleeved outside the rotary disk a, a plurality of cylindrical grooves a are uniformly distributed on the circumference of the sleeved surface of the left mounting seat, spherical universal wheels a are arranged in the cylindrical grooves a, annular grooves a matched with the spherical universal wheels a are formed on the sleeved surface of the rotary disk a, and the cross sections of the annular grooves a are arc-shaped.

4. The single-power modular high-voltage cable head processing system of claim 2, wherein the left mounting seat is connected to the turntable a by a bearing a.

5. The single-power modularized high-voltage cable end processing system according to claim 1, wherein an output shaft on one side connected with the transmission unit B in the double-output-shaft stepping motor is fixedly sleeved with a driving synchronous pulley; the transmission unit B comprises a turntable B; the rotary table B is rotationally connected with the right mounting seat, and the left end face of the rotary table B is fixedly connected with a driven synchronous pulley; the driven synchronous pulley is coaxial with the turntable B; the master synchronous pulley and the slave synchronous pulley are wound with a synchronous belt; the polishing unit comprises a polishing platform which is fixedly connected with the right end face of the turntable B; the right end face of the polishing platform is provided with a driving sand belt wheel, a driven sand belt wheel and a tensioning sand belt wheel; the grinding tool is an abrasive belt which is sequentially wound on the driving abrasive belt wheel, the driven abrasive belt wheel and the tensioning abrasive belt wheel; the polishing platform is provided with a hole for installing a bearing, and a connecting shaft is sleeved in the bearing in the hole; one end of the connecting shaft is fixedly connected with the driving abrasive belt wheel, and the other end of the connecting shaft is connected with a gear C; the right end face of the right mounting seat is fixedly connected with a gear D, and the gear C is meshed with the gear D.

6. The single-power modularized high-voltage cable end processing system according to claim 5, wherein the right mounting seat is sleeved outside the rotary disc B, a plurality of cylindrical grooves B are uniformly distributed on the circumference of the sleeved surface of the right mounting seat, spherical universal wheels B are arranged in the cylindrical grooves B, annular grooves B matched with the spherical universal wheels B are formed on the sleeved surface of the rotary disc B, and the cross section of each annular groove B is arc-shaped.

7. The single-power modular high-voltage cable head processing system of claim 1, wherein the clamp device comprises an upper clamp a, a lower clamp a, a first screw a, a second screw a, a first guide rod, a second guide rod; the first guide rod and the second guide rod are symmetrically fixed at two sides of the through hole of the shell, and two ends of the first guide rod and the second guide rod are fixedly connected with the two connecting rods to form a rectangular frame; the upper clamp A and the lower clamp A are V-shaped, openings of the upper clamp A and the lower clamp A are opposite, the top of the upper clamp A is fixedly connected with the bottom end of the first screw A, and a rotating handle is arranged on the upper part of the first screw A; the bottom of the lower clamp A is fixedly connected with the top end of the second screw A, and a rotary handle is arranged at the lower part of the second screw A; the two pairs of supporting legs forming the V shape of the upper clamp A and the lower clamp A are correspondingly provided with through holes which are in sliding fit with the first guide rod and the second guide rod, and screw holes are respectively formed in the middle of the two connecting rods and correspondingly connected with the first screw rod A and the second screw rod A in a threaded manner; when the cable is clamped, the rotating handle of the first screw rod A is rotated to enable the upper clamp A to move downwards, the rotating handle of the second screw rod A is rotated to enable the lower clamp A to move upwards, and the cable is clamped.

8. The single-power modularized high-voltage cable end processing system according to claim 1, wherein the clamp device comprises an upper clamp B, a lower clamp B, a first screw rod B, a second screw rod B, a third screw rod B, a first fixing seat, a second fixing seat, a third fixing seat and a third fixing seat, wherein the first screw rod B is in threaded connection with the second screw rod B; the first to third fixing seats are fixedly connected with the shell; the first screw rod B and the second screw rod B are symmetrically arranged at two sides of the through hole of the shell, the upper parts of the first screw rod B and the second screw rod B are polished rod parts, the lower parts of the first screw rod B and the second screw rod B are screw rod parts, the upper ends of the first screw rod B and the second screw rod B are rotationally connected with a connecting rod B, and the lower ends of the first screw rod B and the second screw rod B are provided with rotary handles; the connecting rod B is fixedly connected with the shell; the center of the connecting rod B is provided with a through hole penetrating through the third screw rod B; the upper clamp B and the lower clamp B are V-shaped, openings of the upper clamp B and the lower clamp B are opposite, the top of the upper clamp B is fixedly connected with the lower end of the third screw rod B, and a rotating handle is arranged at the upper end of the third screw rod B; two supporting legs forming the V shape of the upper clamp B are correspondingly provided with through holes which are in sliding fit with the polish rod parts of the first screw rod B and the second screw rod B, and the two supporting legs forming the V shape of the lower clamp B are correspondingly sleeved with the middle parts of the first screw rod B and the second screw rod B and move up and down along with the middle parts of the first screw rod B and the second screw rod B; when the cable is clamped, the rotating handle of the third screw rod B is rotated to enable the upper clamp B to move downwards, and meanwhile, the rotating handles of the first screw rod B and the second screw rod B are rotated to enable the lower clamp B to move upwards to clamp the cable.

9. The single-power modular high-voltage cable head processing system of claim 1, wherein the clamp means comprises a three-jaw chuck.

10. The single-power modularized high-voltage cable end processing system according to claim 1, wherein the output shaft on one side of the double-output-shaft stepping motor is fixedly sleeved with a gear E, the nut of the ball screw is fixedly sleeved with a gear F and a bearing C, and the gear E is meshed with the gear F; the outer ring of the bearing C is fixedly connected with the shell of the double-output-shaft stepping motor.