阅读说明：本技术 一种电缆绝缘套管制造成型方法 (Manufacturing and forming method of cable insulation sleeve ) 是由 刘�英 于 2020-12-07 设计创作，主要内容包括：本发明属于电力配件技术领域,具体涉及一种电缆绝缘套管制造成型方法,包括以下步骤：步骤一、加工成型：将电缆绝缘套管的原料加入混料机后挤出,将挤出的管状料冷却；步骤二、定长切割：对冷却后的管状料进行定长切割,得到长度均匀的电缆绝缘套管；步骤三、表面处理：对切割后的电缆绝缘套管内壁和外壁进行打磨,并去除内壁的碎屑；其中,步骤三采用一种电缆绝缘套管制造成型装置配合完成。本发明能够同时对多个电缆绝缘套管的内外表面进行切削和打磨,且对每个电缆绝缘套管切削和打磨的效果相同,提高了加工的效率；且能通过静电作用对产生的碎屑进行吸附,避免了碎屑残留。(The invention belongs to the technical field of power accessories, and particularly relates to a manufacturing and forming method of a cable insulation sleeve, which comprises the following steps: step one, processing and forming: adding the raw materials of the cable insulation sleeve into a mixer, extruding, and cooling the extruded tubular material; step two, fixed-length cutting: cutting the cooled tubular material at a fixed length to obtain cable insulation sleeves with uniform length; step three, surface treatment: polishing the inner wall and the outer wall of the cut cable insulation sleeve, and removing debris on the inner wall; and the third step is completed by matching a cable insulation sleeve manufacturing and forming device. The cable insulation sleeve cutting and polishing device can simultaneously cut and polish the inner and outer surfaces of a plurality of cable insulation sleeves, has the same cutting and polishing effect on each cable insulation sleeve, and improves the processing efficiency; and the generated fragments can be adsorbed through electrostatic action, so that the fragment residue is avoided.)

1. The manufacturing and forming method of the cable insulation sleeve is characterized by comprising the following steps:

step one, processing and forming: adding the raw materials of the cable insulation sleeve into a mixer, extruding, and cooling the extruded tubular material;

step two, fixed-length cutting: cutting the cooled tubular material at a fixed length to obtain cable insulation sleeves with uniform length;

step three, surface treatment: polishing the inner wall and the outer wall of the cut cable insulation sleeve, and removing debris on the inner wall;

the third step is completed by matching a cable insulation sleeve manufacturing and forming device, the cable insulation sleeve manufacturing and forming device comprises a horizontal base plate (1), two supporting plates (2) are vertically and fixedly installed on the lower surface of the base plate (1), and a bottom plate (3) is horizontally and fixedly installed between the two supporting plates (2); a first motor (4) is vertically and fixedly arranged on the upper surface of the bottom plate (3) through a motor base; a plurality of mounting shafts (5) are arranged in the base plate (1) along a horizontal straight line, and the mounting shafts (5) are in a vertical state and are in running fit with the base plate (1); a gear (6) which is overlapped with the axis of the mounting shaft (5) is horizontally and fixedly mounted at the bottom end of the mounting shaft; two adjacent gears (6) are meshed with each other, and an output shaft of the first motor (4) is fixedly connected with one gear (6);

the top end of the mounting shaft (5) is fixedly provided with a surface treatment mechanism (7); the surface treatment mechanism (7) comprises a mounting disc (71), a sponge disc (72), a first mounting bar (73), a second mounting bar (74), a third mounting bar (75), a fourth mounting bar (76), a mounting rod (77) and a mounting sheet (78); the mounting disc (71) is overlapped with the axis of the mounting shaft (5) and is fixedly mounted at the top end of the mounting shaft (5); a sponge disc (72) which is superposed with the axis of the mounting disc is horizontally and fixedly mounted on the upper surface of the mounting disc (71); the outer circumferential surface of the sponge disc (72) is matched with the inner wall of the cable insulation sleeve; a first mounting bar (73) and a second mounting bar (74) are vertically and fixedly mounted on the upper surface of the mounting disc (71); the inner surface of the first mounting bar (73) is matched with the outer wall of the cable insulating sleeve and is fixedly stuck with a friction plate; the outer surface of the second mounting bar (74) is matched with the inner wall of the cable insulating sleeve and fixedly stuck with a friction plate; a third mounting bar (75) and a fourth mounting bar (76) are vertically and fixedly mounted on the upper surface of the mounting disc (71); a strip-shaped cutting knife matched with the outer wall of the cable insulation sleeve is formed at the edge of the inner surface of the third mounting strip (75); a strip-shaped cutting knife matched with the inner wall of the cable insulation sleeve is formed at the edge of the outer surface of the fourth mounting strip (76); a plurality of mounting rods (77) are uniformly and fixedly mounted on the inner surface of the second mounting strip (74) and the inner surface of the fourth mounting strip (76) from top to bottom, mounting pieces (78) are fixedly mounted at the inner ends of the mounting rods (77), and furs cover the inner surfaces of the mounting pieces (78);

the upper surface of the base plate (1) is fixedly provided with two vertical plates (8) which are parallel to each other, a horizontal lifting platform (9) is vertically matched between the two vertical plates (8) in a sliding manner, and a top plate (10) is horizontally and fixedly arranged between the two vertical plates (8); a second motor (11) is vertically and fixedly installed on the upper surface of the top plate (10) through a motor base, and a screw rod (12) is vertically and fixedly installed at the output end of the second motor (11); the lead screw (12) penetrates through the lifting platform (9) and the bottom end of the lead screw (12) is in running fit with the upper surface of the substrate (1); a first air groove (13) is vertically formed in the position, corresponding to each mounting disc (71), of the lower surface of the lifting table (9), and a second air groove (14) is formed in the upper surface of the lifting table (9); an air channel (15) which penetrates through the first air groove (13) and the second air groove (14) is formed in the lifting platform (9); an air pump (16) communicated with the second air groove (14) is fixedly arranged on the upper surface of the lifting platform (9); a rubber pipe (17) which is superposed with the axis of the mounting disc (71) is vertically and fixedly arranged at the position of the lower surface of the lifting platform (9) corresponding to each first air groove (13); the outer wall of the rubber tube (17) is matched with the inner surface of the mounting sheet (78); a sealing ring (18) which is superposed with the axis of the rubber tube (17) is fixedly arranged on the lower surface of the lifting platform (9); the bottom surface of the sealing ring (18) is matched with the end surface of the cable insulating sleeve.

2. The method for manufacturing and molding a cable insulation sleeve according to claim 1, wherein: a strip-shaped electromagnet (19) is horizontally and fixedly arranged on the surface of the vertical plate (8); an iron bar (20) corresponding to the position of the bar-shaped electromagnet (19) is fixedly arranged on the lower surface of the lifting platform (9).

3. The method for manufacturing and molding a cable insulation sleeve according to claim 1, wherein: the upper surface of the mounting disc (71) is uniformly and rotatably provided with a plurality of balls (79) around the sponge disc (72).

4. The method for manufacturing and molding a cable insulation sleeve according to claim 1, wherein: a plurality of third air grooves (21) are uniformly formed in the lifting platform (9) around each first air groove (13); a fourth air groove (22) is vertically arranged in the sealing ring (18) in a penetrating way at the position corresponding to each third air groove (21); the top end of the third air groove (21) is communicated with the first air groove (13), and the bottom end of the third air groove (21) is communicated with the fourth air groove (22).

5. The method for manufacturing and molding a cable insulation sleeve according to claim 1, wherein: and a filter disc (23) is horizontally and fixedly arranged in the rubber tube (17).

6. The method for manufacturing and molding a cable insulation sleeve according to claim 1, wherein: the outer surface of the rubber tube (17) is wavy.

Technical Field

The invention belongs to the technical field of power accessories, and particularly relates to a manufacturing and forming method of a cable insulation sleeve.

Background

The cable insulating sleeve is an insulating protective heat-shrinkable sleeve commonly used on cables, has a heat-shrinkable function, and can be used as a heat-shrinkable inner sheath and an outer sheath in cable accessories and an outer insulating waterproof sheath pipe. Need polish to the burr of its inner and outer wall among the cable insulation sleeve forming process to avoid in the use cable and its friction to cause the damage.

The following problems exist in the manufacturing and forming process of the cable insulating sleeve at present: (1) when the inner wall and the outer wall of the cable insulation sleeve are manually polished, only one cable insulation sleeve can be polished each time, and the processing efficiency is low; (2) the piece that produces when polishing the cable insulation support inner wall can be attached to on the cable insulation support inner wall, is difficult to carry out the abundant clearance, causes the piece easily and remains.

Disclosure of Invention

Technical problem to be solved

The invention provides a manufacturing and forming method of a cable insulating sleeve, which aims to solve the following problems in the manufacturing and forming process of the cable insulating sleeve at present: (1) when the inner wall and the outer wall of the cable insulation sleeve are manually polished, only one cable insulation sleeve can be polished each time, and the processing efficiency is low; (2) the piece that produces when polishing the cable insulation support inner wall can be attached to on the cable insulation support inner wall, is difficult to carry out the abundant clearance, causes the piece easily and remains.

(II) technical scheme

In order to solve the technical problems, the invention adopts the following technical scheme:

a manufacturing and forming method of a cable insulating sleeve comprises the following steps:

step one, processing and forming: adding the raw materials of the cable insulation sleeve into a mixer, extruding, and cooling the extruded tubular material.

Step two, fixed-length cutting: and cutting the cooled tubular material at a fixed length to obtain the cable insulation sleeve with uniform length.

Step three, surface treatment: and polishing the inner wall and the outer wall of the cut cable insulation sleeve, and removing the scraps on the inner wall.

And the third step is completed by matching a cable insulation sleeve manufacturing and forming device, the cable insulation sleeve manufacturing and forming device comprises a horizontal base plate, two supporting plates are vertically and fixedly mounted on the lower surface of the base plate, and a bottom plate is horizontally and fixedly mounted between the two supporting plates. The upper surface of the bottom plate is vertically and fixedly provided with a first motor through a motor base. A plurality of installation shafts are arranged in the base plate along the horizontal straight line, and the installation shafts are in a vertical state and are in running fit with the base plate. The gear which is coincident with the axis of the mounting shaft is horizontally and fixedly mounted at the bottom end of the mounting shaft. Two adjacent gears are meshed with each other, and an output shaft of the first motor is fixedly connected with one of the gears. All gears and the mounting shaft can be driven to synchronously rotate through the first motor.

And a surface treatment mechanism is fixedly arranged at the top end of the mounting shaft. The surface treatment mechanism comprises a mounting disc, a sponge disc, a first mounting bar, a second mounting bar, a third mounting bar, a fourth mounting bar, a mounting rod and a mounting piece. The mounting disc coincides with the axis of the mounting shaft and is fixedly mounted at the top end of the mounting shaft. The sponge disc which is coincident with the axis of the installation disc is horizontally and fixedly installed on the upper surface of the installation disc. The outer circumference of the sponge disc is matched with the inner wall of the cable insulation sleeve. The vertical fixed mounting of mounting disc upper surface has first mounting bar and second mounting bar. The inner surface of the first mounting bar is matched with the outer wall of the cable insulation sleeve and fixedly stuck with a friction plate. The outer surface of the second mounting bar is matched with the inner wall of the cable insulation sleeve and fixedly stuck with a friction plate. And a third mounting bar and a fourth mounting bar are vertically and fixedly mounted on the upper surface of the mounting disc. And a strip-shaped cutting knife matched with the outer wall of the cable insulation sleeve is formed at the edge of the inner surface of the third mounting strip. And a strip-shaped cutting knife matched with the inner wall of the cable insulation sleeve is formed at the edge of the outer surface of the fourth mounting bar. A plurality of mounting rods are uniformly and fixedly mounted on the inner surfaces of the second mounting strip and the fourth mounting strip from top to bottom, mounting pieces are fixedly mounted at the inner ends of the mounting rods, and fur covers the inner surfaces of the mounting pieces.

Two vertical plates which are parallel to each other are fixedly arranged on the upper surface of the base plate, a horizontal lifting platform is vertically matched between the two vertical plates in a sliding manner, and a top plate is horizontally and fixedly arranged between the two vertical plates. A second motor is vertically and fixedly installed on the upper surface of the top plate through a motor base, and a screw rod is vertically and fixedly installed at the output end of the second motor. The lead screw penetrates through the lifting platform, and the bottom end of the lead screw is in running fit with the upper surface of the substrate. The position of the lower surface of the lifting platform corresponding to each mounting disc is vertically provided with a first air groove, and the upper surface of the lifting platform is provided with a second air groove. An air channel penetrating through the first air groove and the second air groove is formed in the lifting platform. An air pump communicated with the second air groove is fixedly arranged on the upper surface of the lifting platform. The lower surface of the lifting platform is vertically and fixedly provided with a rubber tube which is superposed with the axis of the mounting disc at the position corresponding to each first air groove. The outer wall of the rubber tube is matched with the inner surface of the mounting piece. The lower surface of the lifting platform is fixedly provided with a sealing ring which is coincided with the axis of the rubber tube. The bottom surface of the sealing ring is matched with the end surface of the cable insulating sleeve. During operation, with cable insulation sleeve vertical insert in the surface treatment mechanism for first mounting bar internal surface and cable insulation sleeve outer wall are mutually supported, and second mounting bar surface and cable insulation sleeve inner wall are mutually supported. The bottom end of the cable insulation sleeve is sealed through the sponge disc. The second motor drives the screw rod to rotate, the screw rod drives the lifting platform and the rubber tube to descend until the sealing ring is attached to the end face of the top of the cable insulation sleeve, and the top end of the cable insulation sleeve is sealed; in this process, the rubber tube is inserted into the cable bushing while maintaining the state of the axis line coincidence with the cable bushing. The air pump is used for pumping air from the inside of the cable insulation sleeve through the second air groove, the air passage and the first air groove, so that the air pressure inside the cable insulation sleeve is lower than the external air pressure, the cable insulation sleeve is tightly pressed on the lower surface of the lifting platform through the air pressure, and the cable insulation sleeve is kept in a static state. The surface treatment mechanism is driven to rotate by the first motor, and the strip-shaped cutting knives on the third mounting strip and the fourth mounting strip cut burrs on the surface of the cable insulation sleeve; the friction plates on the first mounting strip and the second mounting strip polish the surface of the cable insulation sleeve; the fur on the mounting piece rubs with the outer surface of the rubber tube at a high speed, so that static electricity is generated on the outer surface of the rubber tube. The rubber tube with the surface generating static electricity absorbs the scraps generated in the cutting and polishing processes. After the processing is finished, air is supplied to the interior of the cable insulation sleeve through the second air groove, the air passage and the first air groove by the air pump, so that the air pressure inside and outside the cable insulation sleeve is balanced, and the cable insulation sleeve is not pressed on the lower surface of the lifting table any more. The second motor drives the screw rod to rotate reversely, the screw rod drives the lifting platform and the rubber tube to ascend, and then the processed cable insulation sleeve is taken down from the surface treatment mechanism.

As a preferable technical scheme of the invention, the surface of the vertical plate is horizontally and fixedly provided with a strip-shaped electromagnet. And an iron bar corresponding to the position of the bar-shaped electromagnet is fixedly arranged on the lower surface of the lifting platform. After the sealing ring is attached to the end face of the top of the cable insulation sleeve, the strip-shaped electromagnet is electrified, and the sealing ring is attached to the end face of the top of the cable insulation sleeve all the time tightly through mutual attraction of the strip-shaped electromagnet and the iron strip.

As a preferable technical scheme of the invention, a plurality of balls are uniformly and rotatably arranged on the upper surface of the mounting disc around the sponge disc, so that the friction force applied to the upper surface of the mounting disc and the end face of the cable insulation sleeve is reduced, and the abrasion of the upper surface of the mounting disc and the end face of the cable insulation sleeve is avoided.

As a preferable technical scheme of the invention, a plurality of third air grooves are uniformly formed in the lifting platform around each first air groove. And a fourth air groove is vertically arranged in the sealing ring in a penetrating way at the position corresponding to each third air groove. The top end of the third air groove is communicated with the first air groove, and the bottom end of the third air groove is communicated with the fourth air groove. When air is pumped from the interior of the cable insulation sleeve through the second air groove, the air passage and the first air groove by the air pump, air in the fourth air groove and the third air groove is synchronously pumped out through the first air groove, the air passage and the second air groove, so that the end face of the cable insulation sleeve is tightly attached to the bottom face of the sealing ring under the action of air pressure, and the cable insulation sleeve is ensured to be static in the surface treatment process.

As a preferable technical scheme of the invention, the filter disc is horizontally and fixedly arranged in the rubber tube, debris is filtered by the filter disc, and the debris generated in the processing process is prevented from being sucked into the air pump through the rubber tube.

As a preferable technical scheme of the invention, the outer surface of the rubber tube is wavy so as to increase the area of the outer surface of the rubber tube and improve the adsorption capacity of the rubber tube to the debris.

(III) advantageous effects

The invention has at least the following beneficial effects:

(1) the invention solves the following problems in the manufacturing and forming process of the cable insulation sleeve at present: only one cable insulation sleeve can be polished each time, and the processing efficiency is low; the piece that produces when polishing the cable insulation support inner wall can be attached to on the cable insulation support inner wall, is difficult to carry out the abundant clearance, causes the piece easily and remains.

(2) In the process of manufacturing and molding the cable insulation sleeves, the inner and outer surfaces of the plurality of cable insulation sleeves can be cut and polished simultaneously, the cutting and polishing effects of each cable insulation sleeve are the same, and the processing efficiency is improved.

(3) According to the invention, when the inner wall of the cable insulation sleeve is cut and polished, the surface of the rubber tube is charged with static electricity through high-speed friction of fur on the outer wall of the rubber tube, so that generated debris is adsorbed through electrostatic action, and the debris is prevented from being attached to the inner wall of the cable insulation sleeve. After the inner wall of the cable insulation sleeve is cut and polished, the rubber tube can be moved out of the cable insulation sleeve, and the residues are avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a step diagram illustrating a method for manufacturing and forming a cable jacket according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the apparatus for manufacturing and forming the cable sheath according to the embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an enlarged schematic view at B of FIG. 2;

FIG. 5 is a cross-sectional view of the lift table of FIG. 2 at section C-C;

FIG. 6 is a schematic perspective view of a surface treatment mechanism according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of a rubber tube in an embodiment of the present invention.

In the figure: 1-a base plate, 2-a supporting plate, 3-a bottom plate, 4-a first motor, 5-a mounting shaft, 6-a gear, 7-a surface treatment mechanism, 71-a mounting disc, 72-a sponge disc, 73-a first mounting bar, 74-a second mounting bar, 75-a third mounting bar, 76-a fourth mounting bar, 77-a mounting rod, 78-a mounting sheet and 8-a vertical plate, 9-lifting table, 10-top plate, 11-second motor, 12-screw rod, 13-first air groove, 14-second air groove, 15-air channel, 16-air pump, 17-rubber tube, 18-sealing ring, 19-bar electromagnet, 20-iron bar, 21-third air groove, 22-fourth air groove and 23-filter sheet.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1, the present embodiment provides a method for manufacturing and molding a cable insulation sleeve, which includes the following steps:

step one, processing and forming: adding the raw materials of the cable insulation sleeve into a mixer, extruding, and cooling the extruded tubular material.

Step two, fixed-length cutting: and cutting the cooled tubular material at a fixed length to obtain the cable insulation sleeve with uniform length.

Step three, surface treatment: and polishing the inner wall and the outer wall of the cut cable insulation sleeve, and removing the scraps on the inner wall.

The third step is completed by matching a cable insulation sleeve manufacturing and forming device shown in fig. 2 to 7, the cable insulation sleeve manufacturing and forming device comprises a horizontal base plate 1, two support plates 2 are vertically and fixedly mounted on the lower surface of the base plate 1, and a bottom plate 3 is horizontally and fixedly mounted between the two support plates 2. The upper surface of the bottom plate 3 is vertically and fixedly provided with a first motor 4 through a motor base. A plurality of installation shafts 5 are arranged in the base plate 1 along a horizontal straight line, and the installation shafts 5 are in a vertical state and are in running fit with the base plate 1. The bottom end of the mounting shaft 5 is horizontally and fixedly provided with a gear 6 which is coincident with the axis thereof. Two adjacent gears 6 are meshed with each other, and an output shaft of the first motor 4 is fixedly connected with one of the gears 6. All the gears 6 and the mounting shaft 5 can be driven to synchronously rotate by the first motor 4.

The top end of the mounting shaft 5 is fixedly provided with a surface treatment mechanism 7. The surface treatment mechanism 7 includes a mounting plate 71, a sponge plate 72, a first mounting bar 73, a second mounting bar 74, a third mounting bar 75, a fourth mounting bar 76, a mounting rod 77, a mounting piece 78, and balls 79. The mounting plate 71 is axially overlapped with the mounting shaft 5 and fixedly mounted on the top end of the mounting shaft 5. A sponge disc 72 which is coincident with the axis of the mounting disc 71 is horizontally and fixedly mounted on the upper surface of the mounting disc 71. The outer circumferential surface of the sponge disc 72 is fitted to the inner wall of the cable bushing. The upper surface of the mounting plate 71 is vertically and fixedly provided with a first mounting bar 73 and a second mounting bar 74. The inner surface of the first mounting bar 73 is matched with the outer wall of the cable insulation sleeve and is fixedly stuck with a friction plate. The outer surface of the second mounting bar 74 is matched with the inner wall of the cable insulating sleeve and is fixedly stuck with a friction plate. The upper surface of the mounting plate 71 is vertically and fixedly provided with a third mounting bar 75 and a fourth mounting bar 76. The edge of the inner surface of the third mounting bar 75 forms a bar-shaped cutter matched with the outer wall of the cable insulation sleeve. And a strip-shaped cutting knife matched with the inner wall of the cable insulation sleeve is formed at the edge of the outer surface of the fourth mounting strip 76. The inner surfaces of the second mounting bars 74 and the fourth mounting bars 76 are uniformly and fixedly provided with a plurality of mounting rods 77 from top to bottom, the inner ends of the mounting rods 77 are fixedly provided with mounting pieces 78, and the inner surfaces of the mounting pieces 78 are covered with fur. The balls 79 among a plurality of are uniformly rotatably arranged on the upper surface of the mounting disc 71 around the sponge disc 72 so as to reduce the friction force applied to the upper surface of the mounting disc 71 and the end face of the cable insulation sleeve and avoid the abrasion of the upper surface of the mounting disc 71 and the end face of the cable insulation sleeve.

Two vertical plates 8 which are parallel to each other are fixedly arranged on the upper surface of the base plate 1, a horizontal lifting platform 9 is vertically matched between the two vertical plates 8 in a sliding manner, and a top plate 10 is horizontally and fixedly arranged between the two vertical plates 8. The upper surface of the top plate 10 is vertically and fixedly provided with a second motor 11 through a motor base, and the output end of the second motor 11 is vertically and fixedly provided with a screw rod 12. The lead screw 12 penetrates through the lifting platform 9, and the bottom end of the lead screw 12 is in running fit with the upper surface of the substrate 1. The lower surface of the lifting platform 9 is vertically provided with a first air groove 13 corresponding to each mounting disc 71, and the upper surface of the lifting platform 9 is provided with a second air groove 14. The elevating platform 9 is provided therein with an air duct 15 penetrating the first air groove 13 and the second air groove 14. An air pump 16 communicated with the second air groove 14 is fixedly arranged on the upper surface of the lifting platform 9. A rubber tube 17 which is coincident with the axis of the mounting disc 71 is vertically and fixedly arranged on the lower surface of the lifting platform 9 at the position corresponding to each first air groove 13. The outer wall of the rubber tube 17 is fitted to the inner surface of the fitting piece 78. The filter sheet 23 is horizontally and fixedly arranged in the rubber tube 17, and the filter sheet 23 is used for filtering the debris, so that the debris generated in the processing process is prevented from being sucked into the air pump 16 through the rubber tube 17. The outer surface of the rubber tube 17 is wavy to increase the outer surface area of the rubber tube 17 and improve the adsorption capacity of the rubber tube 17 to debris. A sealing ring 18 which is superposed with the axis of the rubber tube 17 is fixedly arranged on the lower surface of the lifting platform 9. The bottom surface of the sealing ring 18 is matched with the end surface of the cable insulating sleeve.

The surface of the vertical plate 8 is horizontally and fixedly provided with a strip-shaped electromagnet 19. And an iron bar 20 corresponding to the position of the bar-shaped electromagnet 19 is fixedly arranged on the lower surface of the lifting platform 9. After the sealing ring 18 is attached to the end face of the top of the cable insulation sleeve, the strip-shaped electromagnet 19 is electrified, and the sealing ring 18 is always closely attached to the end face of the top of the cable insulation sleeve through mutual attraction of the strip-shaped electromagnet 19 and the iron strip 20.

A plurality of third air grooves 21 are uniformly arranged in the lifting platform 9 around each first air groove 13. A fourth air groove 22 vertically penetrates through the position, corresponding to each third air groove 21, in the sealing ring 18. The top end of the third air groove 21 is communicated with the first air groove 13, and the bottom end of the third air groove 21 is communicated with the fourth air groove 22. When the air pump 16 sucks air from the interior of the cable insulation sleeve through the second air groove 14, the air passage 15 and the first air groove 13, air in the fourth air groove 22 and the third air groove 21 is synchronously sucked out through the first air groove 13, the air passage 15 and the second air groove 14, so that the end face of the cable insulation sleeve is tightly attached to the bottom face of the sealing ring 18 under the action of air pressure, and the cable insulation sleeve is ensured to be static in the surface treatment process.

The working process of the cable insulation sleeve manufacturing and forming device in the embodiment is as follows: in operation, the cable bushing is vertically inserted into the surface treatment mechanism 7, so that the inner surface of the first mounting bar 73 is matched with the outer wall of the cable bushing, and the outer surface of the second mounting bar 74 is matched with the inner wall of the cable bushing. The cable bushing bottom end is sealed by a sponge disc 72. The lead screw 12 is driven to rotate by the second motor 11, the lead screw 12 drives the lifting platform 9 and the rubber tube 17 to descend until the sealing ring 18 is attached to the end face of the top of the cable insulation sleeve, and the top end of the cable insulation sleeve is sealed; in this process, the rubber tube 17 is inserted into the cable bushing while maintaining the state of axial coincidence with the cable bushing. Air is pumped from the inside of the cable insulation sleeve through the second air groove 14, the air passage 15 and the first air groove 13 by the air pump 16, so that the air pressure inside the cable insulation sleeve is lower than the external air pressure, the cable insulation sleeve is tightly pressed on the lower surface of the lifting platform 9 through the air pressure effect, and the cable insulation sleeve is kept in a static state. The surface treatment mechanism 7 is driven to rotate by the first motor 4, and the strip-shaped cutting knives on the third mounting bar 75 and the fourth mounting bar 76 cut burrs on the surface of the cable insulation sleeve; the friction plates on the first mounting bar 73 and the second mounting bar 74 polish the surface of the cable insulating sleeve; the fur on the mounting piece 78 rubs against the outer surface of the rubber tube 17 at a high speed, thereby generating static electricity on the outer surface of the rubber tube 17. The rubber tube 17, the surface of which generates static electricity, adsorbs debris generated during cutting and polishing. After the processing is finished, air is supplied to the interior of the cable insulation sleeve through the second air groove 14, the air passage 15 and the first air groove 13 by the air pump 16, so that the air pressure inside and outside the cable insulation sleeve is balanced, and the cable insulation sleeve is not pressed on the lower surface of the lifting platform 9 any more. The screw 12 is driven by the second motor 11 to rotate reversely, the screw 12 drives the lifting platform 9 and the rubber tube 17 to ascend, and then the processed cable insulation sleeve is taken down from the surface treatment mechanism 7.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.