Cable insulation layer processing equipment

Abstract

The invention discloses cable insulation layer processing equipment, and relates to the field of cable processing. The cable insulation layer processing equipment comprises a coating unit, an injection unit, an air pressure adjusting unit and a cable main body, and the coating unit comprises an outer shell; the coating sleeve is inserted into the outer shell; and the wrapping cavity is formed in the wrapping sleeve, a variable-diameter section is arranged on the inner wall of the wrapping cavity, and a rubber lantern ring is embedded in the end of the variable-diameter section. According to the cable insulation layer processing equipment, the cable main body enters the reducing section, so that the insulation layer coating material is tightly attached to the outer side of the cable main body, and when the cable main body penetrates through the rubber lantern ring, the rubber lantern ring scrapes off the redundant insulation layer coating material, so that an insulation layer with a certain thickness is formed on the outer side of the cable main body; meanwhile, the air pressure in the rubber lantern ring can be adjusted through the air pressure adjusting unit, expansion and contraction of the inner ring of the rubber lantern ring are achieved, and the coating thickness of the insulating layer coating material can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of cable processing, in particular to a cable insulation layer processing device. Background Art

[0002] The processing of cable insulation is a key production link, which is directly related to the quality and performance of the cable. During the processing, the polymer is heated to a molten state, and then extruded through a die to form an insulation layer around the cable core. It can process a longer insulation layer and maintain a good prototype. This method is suitable for cables of various specifications, especially where a continuous and uniform insulation layer is required.

[0003] The discharge unit configured on the existing mixer is often a cylindrical barrel structure or a truncated cone barrel structure. When the above discharge method is processed, the thickness of the insulation layer formed by the die head around the cable core wire is generally fixed. Even if the die head can be replaced, it is relatively cumbersome. Therefore, the present application proposes a cable insulation layer processing device. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a cable insulation layer processing device, which solves the problem that the discharge unit configured on the existing mixer is often a cylindrical barrel structure or a truncated cone barrel structure. During the processing of the above-mentioned discharge method, the thickness of the insulation layer formed by the die head around the cable core wire is generally fixed, and even if the die head can be replaced, it is still cumbersome.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a cable insulation layer processing device, comprising: A coating unit, the coating unit comprising: outer shell; A covering sleeve, which is inserted into the interior of the outer shell; A covering cavity is provided inside the covering sleeve, a reducing section is provided on the inner wall of the covering cavity, and a rubber sleeve ring is embedded at the end of the reducing section; A cooling cavity is provided inside the covering sleeve and communicated with the covering cavity. A metal sleeve is fixedly mounted on the inner wall of the cooling cavity, and a cooling pipeline is spirally arranged around the outer side of the metal sleeve. An injection unit capable of injecting the insulating layer coating material into the coating cavity; An air pressure regulating unit is connected to the rubber sleeve and can regulate the air pressure inside the rubber sleeve to achieve expansion and contraction of the inner ring of the rubber sleeve, thereby achieving the thickness of the insulation layer coating material; The cable body is inserted into the covering sleeve and passes through the covering cavity and the cooling cavity in sequence, so as to realize the covering and cooling of the covering material outside the cable body.

[0006] Preferably, a sealing ring is embedded in the other end of the covering cavity, and the sealing ring is in contact with the outer side of the cable body.

[0007] Preferably, the injection unit comprises: An injection shell is arranged above the outer shell, and a spiral feed rod is rotatably arranged inside the injection shell; A driving motor is mounted on the end of the injection housing, and an output end of the driving motor is fixedly connected to the end of the screw feed rod; An injection end shell, which is installed at the other end of the injection shell body and is fixedly connected to the outer shell body; A feed bin is fixedly installed above the end of the injection shell.

[0008] Preferably, a feed cavity is opened between the bottom of the injection end shell and the outer shell and the covering sleeve, and the feed cavity is communicated with the covering cavity. A toggle ring is movably arranged between the inside of the covering cavity and the feed cavity, and a linkage unit is arranged between the toggle ring and the driving motor.

[0009] Preferably, the air pressure regulating unit comprises: air pump; The air pipe has one end connected to the air pump and the other end extending toward the inside of the rubber ring through the outer shell and the covering sleeve. The air pump and the air pipe can inject and suck out the air inside the rubber ring, thereby realizing the internal air pressure of the rubber ring.

[0010] Preferably, the linkage unit comprises: A transmission rod, which is rotatably arranged on the outside of the injection end shell; A transmission box is fixedly mounted on the inner wall of the feed cavity, and a linkage rod is rotatably arranged between the transmission box and the injection end shell; The moving block is slidably arranged inside the transmission box, and a reciprocating screw is threadedly connected to the inner wall of the moving block. The end of the reciprocating screw is transmission-connected to the transmission rod through a linkage rod, and the bottom end of the moving block passes through the transmission box and is fixedly connected to the top end of the toggle ring.

[0011] Preferably, mutually meshing bevel gears are provided between the end of the transmission rod and the end of the linkage rod, and mutually meshing flat gears are installed between the end of the linkage rod and the end of the reciprocating screw.

[0012] Preferably, the other end of the transmission rod and the outer side of the output end of the driving motor are both sleeved with pulleys, and the two pulleys are connected by belt transmission.

[0013] Preferably, the bottom end of the moving block extends outward through the transmission box and is fixedly connected with a sealing strip, the sealing strip fits tightly with the bottom of the transmission box, a slot is provided on the inner wall of the injection end shell, and the end of the sealing strip is inserted into the slot.

[0014] The present invention discloses a cable insulation layer processing device, which has the following beneficial effects: During use of the cable insulation layer processing equipment, the cable body is first inserted into the coating sleeve, and the end of the cable body passes through the coating cavity and the cooling cavity in sequence. At this time, the insulating layer coating material is injected into the coating cavity by using the injection unit. When the end of the cable body enters the coating cavity, the insulating layer coating material inside the coating cavity is wrapped around the outside of the cable body. At this time, the cable body enters the reducing section, so that the insulating layer coating material fits tightly to the outside of the cable body until it passes through the rubber ring. The rubber ring scrapes off the excess insulating layer coating material, so that an insulating layer of a certain thickness is formed on the outside of the cable body. At the same time, the air pressure inside the rubber ring can be adjusted by using the air pressure regulating unit to achieve the expansion and contraction of the inner ring of the rubber ring, thereby changing the distance between the inner ring of the rubber ring and the cable body, so that the thickness of the insulating layer coating material can be achieved.

[0015] In the cable insulation layer processing equipment, when the cable body covered with the insulation layer enters the cooling cavity, the cooling pipeline cooperates with the metal sleeve to make the cooling cavity in a lower temperature environment. At this time, the cable body and the insulation layer outside it can be cooled without contacting the cable body.

[0016] The cable insulation layer processing equipment, when the driving motor is working, its output end utilizes the transmission relationship between two pulleys and belts to drive the transmission rod to rotate, and mutually meshing bevel gears are arranged between the end of the transmission rod and the end of the linkage rod, and mutually meshing flat gears are installed between the end of the linkage rod and the end of the reciprocating screw. The reciprocating screw is driven to rotate accordingly by the bevel gear and the flat gear. At this time, the inner wall of the moving block is threadedly connected to the reciprocating screw, so that the moving block reciprocates and the moving ring at the bottom of the moving block moves in the coating cavity, and the insulating layer coating material inside the coating cavity is moved, so that the insulating layer coating material can be quickly precipitated, thereby facilitating all-round rapid coating with the cable body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic structural diagram of the coating unit, the injection unit and the cable body of the present invention; Figure 3 It is a structural cross-sectional view of the coating unit of the present invention; Figure 4 It is a partial structural cross-sectional view of the coating unit of the present invention; Figure 5 It is a structural cross-sectional view of the connection between the coating unit and the injection unit of the present invention; Figure 6 For the present invention Figure 5 A magnified schematic diagram of part A Figure 7 It is a partial structural cross-sectional view of the connection between the coating unit and the injection unit of the present invention; Figure 8 For the present invention Figure 7 An enlarged schematic diagram of part B in FIG.

[0019] In the figure: 1. coating unit; 11. outer shell; 12. coating sleeve; 13. coating cavity; 131. reducing section; 132. rubber sleeve; 133. sealing ring; 14. cooling cavity; 15. metal sleeve; 16. cooling pipeline; 17. feeding cavity; 18. toggle sleeve; 2. injection unit; 21. injection shell; 22. driving motor; 23. injection end shell; 24. feeding bin; 25. spiral feeding rod; 3. air pressure regulating unit; 31. air pump; 32. air pipe; 4. cable body; 5. linkage unit; 51. transmission rod; 52. linkage rod; 53. transmission box; 54. moving block; 541. sealing strip; 542. slot; 55. bevel gear; 56. reciprocating screw; 57. flat gear; 58. pulley. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] The embodiment of the present application provides a cable insulation layer processing device, which solves the problem that the discharge unit configured on the existing mixer is often a cylindrical barrel structure or a truncated cone barrel structure. During the processing of the above-mentioned discharge method, the thickness of the insulation layer formed by the die head around the cable core wire is generally fixed, and even if the die head can be replaced, it is still cumbersome.

[0022] During use, the cable body 4 is first inserted into the sheathing sleeve 12, and the end of the cable body 4 passes through the sheathing cavity 13 and the cooling cavity 14 in sequence. At this time, the injection unit 2 is used to inject the insulating layer coating material into the sheathing cavity 13. When the end of the cable body 4 enters the sheathing cavity 13, the insulating layer coating material inside the sheathing cavity 13 is wrapped around the outside of the cable body 4. At this time, the cable body 4 enters the reducing section 131, so that the insulating layer coating material fits tightly to the outside of the cable body 4 until it passes through the rubber ring 132. The rubber ring 132 scrapes off the excess insulating layer coating material, so that a certain thickness of insulating layer is formed on the outside of the cable body 4. At the same time, the air pressure regulating unit 3 can be used to regulate the air pressure inside the rubber ring 132 to achieve the expansion and contraction of the inner ring of the rubber ring 132, thereby changing the distance between the inner ring of the rubber ring 132 and the cable body 4, so that the thickness of the insulating layer coating material can be achieved.

[0023] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0024] Embodiment 1

[0025] The embodiment of the invention discloses a cable insulation layer processing device.

[0026] According to the attached Figure 1-8 As shown, including: The coating unit 1 comprises: Outer shell 11; A covering sleeve 12, which is inserted into the outer shell 11; The covering cavity 13 is provided inside the covering sleeve 12. A diameter reducing section 131 is provided on the inner wall of the covering cavity 13, and a rubber sleeve ring 132 is embedded at the end of the diameter reducing section 131. A cooling cavity 14 is provided inside the covering sleeve 12 and communicates with the covering cavity 13. A metal sleeve 15 is fixedly mounted on the inner wall of the cooling cavity 14, and a cooling pipeline 16 is spirally arranged around the outer side of the metal sleeve 15. An injection unit 2, which can inject the insulating layer coating material into the coating cavity 13; The air pressure regulating unit 3 is connected to the rubber sleeve 132 and can regulate the air pressure inside the rubber sleeve 132 to achieve the expansion and contraction of the inner ring of the rubber sleeve 132, thereby achieving the thickness of the insulation layer coating material; The cable body 4 is inserted into the covering sleeve 12 and passes through the covering cavity 13 and the cooling cavity 14 in sequence, so that the covering material on the outside of the cable body 4 can be covered and cooled.

[0027] During use, the cable body 4 is first inserted into the sheathing sleeve 12, and the end of the cable body 4 passes through the sheathing cavity 13 and the cooling cavity 14 in sequence. At this time, the injection unit 2 is used to inject the insulating layer coating material into the sheathing cavity 13. When the end of the cable body 4 enters the sheathing cavity 13, the insulating layer coating material inside the sheathing cavity 13 is wrapped around the outside of the cable body 4. At this time, the cable body 4 enters the reducing section 131, so that the insulating layer coating material fits tightly to the outside of the cable body 4 until it passes through the rubber ring 132. The rubber ring 132 scrapes off the excess insulating layer coating material, so that a certain thickness of insulating layer is formed on the outside of the cable body 4. At the same time, the air pressure regulating unit 3 can be used to regulate the air pressure inside the rubber ring 132 to achieve the expansion and contraction of the inner ring of the rubber ring 132, thereby changing the distance between the inner ring of the rubber ring 132 and the cable body 4, so that the thickness of the insulating layer coating material can be achieved.

[0028] Furthermore, a sealing ring 133 is embedded in the other end of the covering cavity 13 , and the sealing ring 133 is in contact with the outer side of the cable body 4 .

[0029] Particularly disclosed, the injection unit 2 comprises: The injection housing 21 is disposed above the outer housing 11, and a screw feed rod 25 is rotatably disposed inside the injection housing 21; A driving motor 22 is mounted on the end of the injection housing 21, and an output end of the driving motor 22 is fixedly connected to an end of a screw feed rod 25; An injection end shell 23, which is installed at the other end of the injection housing 21 and is fixedly connected to the outer housing 11; The feed bin 24 is fixedly installed above the end of the injection shell 21 .

[0030] Furthermore, a feed cavity 17 is opened between the bottom of the injection end shell 23 and the outer shell 11 and the covering sleeve 12, and the feed cavity 17 is connected to the covering cavity 13, a toggle ring 18 is movably arranged between the inside of the covering cavity 13 and the feed cavity 17, and a linkage unit 5 is arranged between the toggle ring 18 and the driving motor 22.

[0031] Particularly disclosed, the air pressure regulating unit 3 comprises: Air pump 31; The air pipe 32 has one end connected to the air pump 31 and the other end extending toward the inside of the rubber ring 132 through the outer shell 11 and the covering sleeve 12. The air pump 31 and the air pipe 32 can inject and suck out the air inside the rubber ring 132, thereby realizing the internal air pressure of the rubber ring 132.

[0032] During use, the cable body 4 is first inserted into the sheathing sleeve 12, and the end of the cable body 4 passes through the sheathing cavity 13 and the cooling cavity 14 in sequence. At this time, the injection unit 2 is used to inject the insulating layer coating material into the sheathing cavity 13. When the end of the cable body 4 enters the sheathing cavity 13, the insulating layer coating material inside the sheathing cavity 13 is wrapped around the outside of the cable body 4. At this time, the cable body 4 enters the reducing section 131, so that the insulating layer coating material fits tightly to the outside of the cable body 4 until it passes through the rubber ring 132. The rubber ring 132 scrapes off the excess insulating layer coating material, so that a certain thickness of insulating layer is formed on the outside of the cable body 4. At the same time, the air pressure regulating unit 3 can be used to regulate the air pressure inside the rubber ring 132 to achieve the expansion and contraction of the inner ring of the rubber ring 132, thereby changing the distance between the inner ring of the rubber ring 132 and the cable body 4, so that the thickness of the insulating layer coating material can be achieved.

[0033] When the cable body 4 covered with the insulating layer enters the cooling cavity 14, the cooling pipe 16 cooperates with the metal sleeve 15 to place the cooling cavity 14 in a relatively low temperature environment. At this time, the cable body 4 and the insulating layer outside it can be cooled without contacting the cable body 4.

[0034] Embodiment 2

[0035] The embodiment of the invention discloses a cable insulation layer processing device.

[0036] According to the attached Figure 1-8 As shown, including: The coating unit 1 comprises: Outer shell 11; A covering sleeve 12, which is inserted into the outer shell 11; The covering cavity 13 is provided inside the covering sleeve 12. A diameter reducing section 131 is provided on the inner wall of the covering cavity 13, and a rubber sleeve ring 132 is embedded at the end of the diameter reducing section 131. A cooling cavity 14 is provided inside the covering sleeve 12 and communicates with the covering cavity 13. A metal sleeve 15 is fixedly mounted on the inner wall of the cooling cavity 14, and a cooling pipeline 16 is spirally arranged around the outer side of the metal sleeve 15. An injection unit 2, which can inject the insulating layer coating material into the coating cavity 13; The air pressure regulating unit 3 is connected to the rubber sleeve 132 and can regulate the air pressure inside the rubber sleeve 132 to achieve the expansion and contraction of the inner ring of the rubber sleeve 132, thereby achieving the thickness of the insulation layer coating material; The cable body 4 is inserted into the covering sleeve 12 and passes through the covering cavity 13 and the cooling cavity 14 in sequence, so that the covering material on the outside of the cable body 4 can be covered and cooled.

[0037] During use, when the driving motor 22 is working, its output end drives the transmission rod 51 to rotate by utilizing the transmission relationship between the two pulleys 58 and the belt, and a mutually meshing bevel gear 55 is provided between the end of the transmission rod 51 and the end of the linkage rod 52, and a mutually meshing flat gear 57 is installed between the end of the linkage rod 52 and the end of the reciprocating screw 56. The bevel gear 55 and the flat gear 57 drive the reciprocating screw 56 to rotate accordingly. At this time, the inner wall of the moving block 54 is threadedly connected to the reciprocating screw 56, so that the moving block 54 reciprocates, and the moving ring 18 at the bottom end of the moving block 54 moves in the coating cavity 13, and the insulating layer coating material inside the coating cavity 13 is moved, so that the insulating layer coating material can be quickly precipitated, thereby facilitating it to achieve all-round rapid coating with the cable body 4. Furthermore, a feed cavity 17 is opened between the bottom of the injection end shell 23 and the outer shell 11 and the covering sleeve 12, and the feed cavity 17 is connected to the covering cavity 13, a toggle ring 18 is movably arranged between the inside of the covering cavity 13 and the feed cavity 17, and a linkage unit 5 is arranged between the toggle ring 18 and the driving motor 22.

[0038] The linkage unit 5 comprises: A transmission rod 51, which is rotatably arranged on the outside of the injection end shell 23; A transmission box 53 is fixedly mounted on the inner wall of the feed cavity 17, and a linkage rod 52 is rotatably arranged between the transmission box 53 and the injection end shell 23; The moving block 54 is slidably arranged inside the transmission box 53, and a reciprocating screw 56 is threadedly connected to the inner wall of the moving block 54. The end of the reciprocating screw 56 is transmission-connected to the transmission rod 51 through a linkage rod 52, and the bottom end of the moving block 54 passes through the transmission box 53 and is fixedly connected to the top end of the toggle ring 18.

[0039] Specifically disclosed is that a mutually meshing bevel gear 55 is provided between the end of the transmission rod 51 and the end of the linkage rod 52 , and a mutually meshing flat gear 57 is installed between the end of the linkage rod 52 and the end of the reciprocating screw 56 .

[0040] It is particularly disclosed that a pulley 58 is sleeved on the other end of the transmission rod 51 and the outer side of the output end of the driving motor 22, and the two pulleys 58 are connected by belt transmission.

[0041] During use, when the driving motor 22 is working, its output end drives the driving rod 51 to rotate by utilizing the transmission relationship between the two pulleys 58 and the belt.

[0042] Furthermore, the bottom end of the moving block 54 extends outward through the transmission box 53 and is fixedly connected with a sealing strip 541, which fits tightly with the bottom of the transmission box 53. A slot 542 is opened on the inner wall of the injection end shell 23, and the end of the sealing strip 541 is inserted into the slot 542.

[0043] During the movement of the moving block 54 , the sealing strip 541 at the bottom thereof moves at the bottom of the transmission box 53 , thereby sealing the transmission box 53 and preventing the insulating layer coating material from entering the transmission box 53 .

[0044] During use, when the driving motor 22 is working, its output end uses the transmission relationship between the two pulleys 58 and the belt to drive the transmission rod 51 to rotate, and a mutually meshing bevel gear 55 is provided between the end of the transmission rod 51 and the end of the linkage rod 52, and a mutually meshing flat gear 57 is installed between the end of the linkage rod 52 and the end of the reciprocating screw 56. The bevel gear 55 and the flat gear 57 drive the reciprocating screw 56 to rotate accordingly. At this time, the inner wall of the moving block 54 is threadedly connected to the reciprocating screw 56. This causes the moving block 54 to reciprocate, and the pushing ring 18 at the bottom of the moving block 54 moves in the coating cavity 13, pushing the insulating layer coating material inside the coating cavity 13, so that the insulating layer coating material can be quickly precipitated, thereby facilitating all-round rapid coating with the cable body 4. In the process of movement of the moving block 54, the sealing strip 541 at its bottom moves at the bottom of the transmission box 53, thereby sealing the transmission box 53 and preventing the insulating layer coating material from entering the transmission box 53.

[0045] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A cable insulation layer processing equipment, characterized in that: include: A coating unit (1), wherein the coating unit (1) comprises: outer shell (11); A covering sleeve (12) inserted into the interior of the outer shell (11); A covering cavity (13) is provided inside the covering sleeve (12); a reducing section (131) is provided on the inner wall of the covering cavity (13); and a rubber sleeve ring (132) is embedded at the end of the reducing section (131); A cooling cavity (14) is provided inside the covering sleeve (12) and is in communication with the covering cavity (13); a metal sleeve (15) is fixedly mounted on the inner wall of the cooling cavity (14); and a cooling pipeline (16) is spirally arranged around the outer side of the metal sleeve (15); An injection unit (2) capable of injecting an insulating layer coating material into the coating cavity (13); An air pressure regulating unit (3) connected to the rubber sleeve (132) and capable of regulating the air pressure inside the rubber sleeve (132) to achieve expansion and contraction of the inner ring of the rubber sleeve (132), thereby achieving the thickness of the insulation layer coating material; The cable body (4) is inserted into the coating sleeve (12), and passes through the coating cavity (13) and the cooling cavity (14) in sequence, so as to achieve coating and cooling of the outer coating material of the cable body (4).

2. A cable insulation layer processing equipment according to claim 1, characterized in that: A sealing ring (133) is embedded in the other end of the covering cavity (13), and the sealing ring (133) is in contact with the outer side of the cable body (4).

3. The cable insulation layer processing equipment according to claim 1, characterized in that: The injection unit (2) comprises: An injection shell (21) is arranged above the outer shell (11), and a spiral feed rod (25) is rotatably arranged inside the injection shell (21); A driving motor (22) is mounted on the end of the injection housing (21), and an output end of the driving motor (22) is fixedly connected to the end of the screw feed rod (25); An injection end shell (23), which is mounted on the other end of the injection shell (21) and is fixedly connected to the outer shell (11); A feed bin (24) is fixedly mounted above the end of the injection housing (21).

4. A cable insulation layer processing equipment according to claim 3, characterized in that: A feeding cavity (17) is provided between the bottom of the injection end shell (23), the outer shell (11) and the covering sleeve (12), and the feeding cavity (17) is communicated with the covering cavity (13). A shifting ring (18) is movably provided between the insides of the covering cavity (13) and the feeding cavity (17), and a linkage unit (5) is provided between the shifting ring (18) and the driving motor (22).

5. The cable insulation layer processing equipment according to claim 1, characterized in that: The air pressure regulating unit (3) comprises: Air pump (31); An air pipe (32) has one end connected to the air pump (31) and the other end extending through the outer shell (11) and the covering sleeve (12) toward the inside of the rubber sleeve (132). The air pump (31) and the air pipe (32) can inject and suck out air inside the rubber sleeve (132), thereby achieving internal air pressure in the rubber sleeve (132).

6. The cable insulation layer processing equipment according to claim 4, characterized in that: The linkage unit (5) comprises: A transmission rod (51) rotatably disposed outside the injection end housing (23); A transmission box (53) is fixedly mounted on the inner wall of the feed cavity (17), and a linkage rod (52) is rotatably arranged between the transmission box (53) and the injection end shell (23); A moving block (54) is slidably disposed inside a transmission box (53), and a reciprocating screw (56) is threadedly connected to an inner wall of the moving block (54), an end of the reciprocating screw (56) is transmission-connected to a transmission rod (51) via a linkage rod (52), and a bottom end of the moving block (54) passes through the transmission box (53) and is fixedly connected to a top end of a toggle collar (18).

7. A cable insulation layer processing equipment according to claim 6, characterized in that: A mutually meshing bevel gear (55) is provided between the end of the transmission rod (51) and the end of the linkage rod (52), and a mutually meshing flat gear (57) is installed between the end of the linkage rod (52) and the end of the reciprocating screw (56).

8. The cable insulation layer processing equipment according to claim 6, characterized in that: The other end of the transmission rod (51) and the outer side of the output end of the driving motor (22) are both sleeved with a belt pulley (58), and the two belt pulleys (58) are connected via a belt transmission.

9. The cable insulation layer processing equipment according to claim 6, characterized in that: The bottom end of the moving block (54) passes through the transmission box (53) and extends outwards and is fixedly connected to a sealing strip (541). The sealing strip (541) is tightly fitted to the bottom of the transmission box (53). A slot (542) is provided on the inner wall of the injection end shell (23), and the end of the sealing strip (541) is inserted into the slot (542).

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