Extrusion molding equipment and preparation process for cold shrink pipe

Abstract

The invention relates to cold shrink pipe extrusion molding equipment, and relates to the technical field of cold shrink pipe production. The cold shrink pipe extrusion molding equipment comprises an extrusion mechanism, a heating mechanism and a cooling mechanism, the heating mechanism comprises a heating box and a heating assembly, the heating assembly is used for heating air in the heating box, the heating box is further provided with a collecting mechanism, the collecting mechanism comprises an air exhauster and a processing box, and the processing box is used for processing the air exhauster. One end of the air extractor is communicated with a cavity in the heating box, the other end of the air extractor is communicated with the treatment box, an activated carbon plate is arranged in the treatment box, and the end, away from the air extractor, of the treatment box is communicated with the outside. The device has the effect of ensuring the air quality of a production workshop.

Description

Technical Field

[0001] The present application relates to the technical field of cold shrink tube production, and in particular to a cold shrink tube extrusion molding device and a preparation process. Background Art

[0002] Cold shrink tubing is a cold-shrink cable accessory, mainly made of silicone rubber or EPDM rubber. It does not require heating and can effectively reduce the risk of high-temperature operation. Therefore, it is often used for insulation, sealing and protection of terminal heads and joints of power cables.

[0003] In the prior art, there is a cold shrink tube extrusion molding device, which includes an extrusion mechanism, a heating mechanism, a cooling mechanism and a transportation mechanism. The heating mechanism is located between the extrusion mechanism and the cooling mechanism. The extrusion mechanism is used to extrude the cooling tube. The heating mechanism includes a heating box and a heating assembly. The heating box has openings on both side walls along the direction of the cooling tube transportation. The heating assembly is used to heat the air in the heating box, thereby vulcanizing the cold shrink tube. The cooling mechanism is used to cool the cold shrink tube that has been heated. The transportation mechanism is used to transport the extruded cooling tube into the heating box, and then transport it from the heating box to the cooling mechanism. During use, the extrusion mechanism extrude the cooling tube, and the transportation mechanism transports the extruded cooling tube into the heating box. The air in the heating box heated by the heating assembly heats the cooling tube, thereby achieving vulcanization. After heating is completed, the transportation mechanism transports the cold shrink tube to the cooling mechanism, so that the cooling mechanism cools the cold shrink tube.

[0004] Regarding the above-mentioned related technologies, since a certain amount of exhaust gas is often generated during the process of heating the shrink tube by the heating mechanism, and these exhaust gases often contain oil mist and particulate matter, the oil mist and particulate matter generated during the heating of the shrink tube often leak out from the opening of the heating box, thereby reducing the air quality in the production workshop and causing damage to the health of the workers, so it needs to be improved. Summary of the Invention

[0005] In order to ensure the air quality in the production workshop, the present application provides a cold shrink tube extrusion molding equipment and a preparation process.

[0006] In the first aspect, the present application provides a cold shrink tube extrusion molding device, which adopts the following technical solution: A cold shrink tube extrusion molding equipment includes an extrusion mechanism, a heating mechanism and a cooling mechanism. The heating mechanism includes a heating box and a heating component. The heating component is used to heat the air in the heating box. The heating box is also provided with a collection mechanism. The collection mechanism includes an exhaust fan and a processing box. One end of the exhaust fan is connected to the chamber in the heating box, and the other end is connected to the processing box. An activated carbon plate is provided in the processing box. The processing box is connected to the outside world at the end away from itself that is connected to the exhaust fan.

[0007] By adopting the above technical solution, compared with the existing technology, in the process of heating the shrink tube, the oil mist and particulate matter generated will often leak out from the opening of the heating box, thereby reducing the air quality in the production workshop and causing damage to the health of the staff; the present application sets a collection mechanism so that the vacuum fan can pass the exhaust gas generated during heating in the heating box, and allow the exhaust gas to enter the treatment box after passing out, so that the oil and particulate matter in the treatment box can be adsorbed by the activated carbon plate and discharged after being adsorbed, thereby reducing the oil and particulate matter in the exhaust gas, thereby ensuring the air quality of the production workshop and the health of the staff.

[0008] Preferably, the processing box is also provided with a replacement mechanism, which includes a replacement frame. The replacement frame is slidably connected to the processing box, and the sliding direction extends out of the processing box. An opening is provided at one end of the replacement frame, and the activated carbon plate is embedded in the opening of the replacement frame.

[0009] By adopting the above technical solution, the replacement mechanism is set up so that when the activated carbon plate needs to be replaced, the relevant personnel can slide the replacement rack so that most of the replacement rack slides out of the processing box, and then the activated carbon plate on the replacement rack slides out of the processing box together, which effectively facilitates the replacement of the activated carbon plate by the relevant personnel.

[0010] Preferably, the processing box is further provided with an opening for the replacement rack to slide out, and the replacement mechanism further includes a closing plate, one end of which is rotatably connected to the processing box, and one end of which is embedded in the opening on the replacement rack for closing the opening of the replacement rack.

[0011] By adopting the above technical solution, the closing plate is set so that when the replacement rack is completely slid into the treatment box, the relevant personnel can rotate the closing plate to close the opening on the treatment box, thereby effectively reducing the probability of untreated exhaust gas from the treatment box and effectively ensuring the effect of exhaust gas treatment.

[0012] Preferably, the replacement mechanism further includes a linkage assembly, which includes a setting frame and a linkage frame. The setting frame is arranged on the closing plate, one end of the linkage frame is rotatably connected to the setting frame, and the other end is rotatably connected to the replacement frame.

[0013] By adopting the above technical solution and setting the linkage assembly, when the relevant personnel rotates the closing plate, the closing plate can drive the linkage frame to move through the setting frame, so that the linkage frame rotates relative to the setting frame, so that the end of the linkage frame away from the closing plate drives the replacement frame to slide, thereby realizing the driving of the replacement frame to slide and realizing the linkage between the closing plate and the replacement frame. There is no need for the relevant personnel to drive the replacement frame to slide after driving the closing plate to rotate, which effectively facilitates the operation of the relevant personnel.

[0014] Preferably, the setting frame is slidably connected to the closing plate, and the sliding direction is the length direction of the closing plate. The replacement mechanism further includes a driving component, and the driving component is used to drive the setting frame to slide.

[0015] By adopting the above technical solution, the sliding connection between the setting frame and the closing plate is set, so that the driving component can drive the setting frame to slide relative to the closing plate, so that when the closing plate is opened, the setting frame can slide from one end of the closing plate to the other end, and then the setting frame can drive the replacement frame to slide a greater distance through the linkage frame, so that the main part of the replacement frame can fully slide out of the opening of the treatment box, which is convenient for relevant personnel to replace the activated carbon plate.

[0016] Preferably, the driving assembly includes a driving frame, a transmission frame and a reversing member. The driving frame is slidingly connected to the closing plate, and the sliding direction is the length direction of the closing plate. One end of the transmission frame is rotationally connected to the driving frame, and the other end is rotationally connected to the processing box. The driving frame drives the setting frame to slide through the reversing member.

[0017] By adopting the above technical solution and setting the driving assembly, when the closing plate rotates, the closing plate can drive the transmission frame to rotate, so that the transmission frame drives the driving frame to slide, so that the driving frame can drive the setting frame to slide through the reversing member, thereby realizing the driving of the setting frame to slide, effectively realizing the automatic driving of the setting frame to slide, realizing the linkage between the setting frame and the closing plate, and facilitating the operation of relevant personnel.

[0018] Preferably, the reversing member includes a rotating frame and two reversing frames, the rotating frame is rotatably connected to the closing plate along the middle part of its own length direction, the two reversing frames are respectively arranged at both ends of the rotating frame, and are both slidably connected to the rotating frame, one of the reversing frames is rotatably connected to the driving frame, and the other reversing frame is rotatably connected to the setting frame.

[0019] By adopting the above technical solution, the reversing member is set so that when the driving frame rotates relative to the closing plate, the driving frame can drive one of the reversing frames to move together, so that the reversing frame drives the rotating frame to rotate, and then when the rotating frame rotates, it drives the other reversing frame to slide, thereby realizing the driving of the setting frame to slide, and making the sliding directions of the driving frame and the setting frame opposite, effectively realizing the linkage between the driving frame and the setting frame, and then realizing the linkage between the closing plate and the replacement frame. At the same time, the setting method of the reversing member effectively extends the sliding amount of the setting frame compared to other linkage methods, thereby effectively facilitating the relevant personnel to replace the activated carbon plate.

[0020] Preferably, the collection mechanism also includes a water tank and an inlet pipe. The vacuum pump is located away from one end of the heating box and is connected to one end of the inlet pipe. The other end of the inlet pipe extends to the bottom of the inner chamber of the water tank. Water is stored in the chamber of the water tank. The top of the water tank is connected to the treatment box.

[0021] By adopting the above technical solution, the water tank and the inlet pipe are set up so that the vacuum pump can extract the exhaust gas in the treatment box and pass it into the inlet pipe, so that the exhaust gas can enter the bottom end of the water tank through the inlet pipe, thereby coming into contact with the water in the water tank, so that the particulate impurities and water-soluble parts in the exhaust gas can be absorbed by the water, thereby effectively increasing the treatment effect of the exhaust gas.

[0022] Preferably, a winding mechanism is further provided on the side of the cooling mechanism away from the heating box, and the winding mechanism includes a mounting frame, a pressing roller, a winding roller and a rotating member. The pressing roller is rotatably connected to the mounting frame, and the bottom is abutted against the upper side of the shrink tube passing through the cooling mechanism. The winding roller is rotatably connected to the mounting frame and is located on the lower side of the pressing roller and is used for winding the shrink tube. The rotating member is used to drive the winding roller to rotate.

[0023] By adopting the above technical solution, the winding mechanism is set up so that the winding roller can rotate under the drive of the rotating part, thereby winding the cooled shrink tube, and the pressing roller can be against the top of the shrink tube to ensure the winding effect of the shrink tube.

[0024] On the other hand, the present application also provides a preparation process of a cold shrink tube extrusion molding device, comprising the following steps: Extrusion molding: The extrusion mechanism extrude the cold shrink tube into shape; Heating and vulcanization: The extruded cold shrink tube is passed into the heating box, where it is heated by the heating components and then vulcanized. The waste gas generated during the heating process is passed into the treatment box and then adsorbed by the activated carbon plate in the treatment box before being discharged. Cooling and shaping: The heated shrink tube is passed into the cooling mechanism and fixed in shape under the cooling effect of the cooling mechanism; Traction and reeling: The cooled shrink tube is wound on the reel under the action of the reel, thereby realizing the traction and reeling of the shrink tube.

[0025] In summary, this application includes at least one of the following beneficial technical effects: 1. This application provides a collection mechanism so that the exhaust fan can discharge the exhaust gas generated during heating in the heating box, and then the exhaust gas enters the treatment box. The oil and particulate matter in the treatment box can be adsorbed by the activated carbon plate and discharged after being adsorbed, thereby reducing the oil and particulate matter in the exhaust gas, thereby ensuring the air quality of the production workshop and the health of the workers. 2. The setting of the replacement mechanism enables relevant personnel to slide the replacement rack so that most of the replacement rack slides out of the treatment box when the activated carbon plate needs to be replaced, and then the activated carbon plate on the replacement rack is taken out of the treatment box together, which effectively facilitates the replacement of the activated carbon plate by relevant personnel; 3. The setting of the water tank and the inlet pipe enables the vacuum pump to extract the exhaust gas in the treatment box and pass it into the inlet pipe, so that the exhaust gas can enter the bottom end of the water tank through the inlet pipe, thereby coming into contact with the water in the water tank, so that the particulate impurities and water-soluble parts in the exhaust gas can be absorbed by the water, thereby effectively increasing the treatment effect of the exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram used to illustrate the overall cold shrink tube extrusion molding equipment in the embodiment of the present application.

[0027] Figure 2 It is a structural diagram used to reflect the closing plate in the embodiment of the present application.

[0028] Figure 3 It is a structural diagram used to reflect the locking mechanism in the embodiment of the present application.

[0029] Figure 4 It is a structural diagram used to reflect the drive component in the embodiment of the present application.

[0030] Explanation of the accompanying drawings: 1. Extrusion mechanism; 2. Heating mechanism; 21. Heating box; 22. Heating component; 3. Cooling mechanism; 4. Collecting mechanism; 41. Vacuum; 42. Treatment box; 43. Activated carbon plate; 44. Water tank; 45. Inlet pipe; 5. Replacement mechanism; 51. Closing plate; 52. Replacement frame; 53. Driving assembly; 531. Driving frame; 532. Transmission frame; 533. Reversing member; 5331. Rotating frame; 5332. Reversing frame; 54. Linkage assembly; 541. Setting frame; 542. Linkage frame; 6. Locking mechanism; 61. Locking frame; 62. Elastic member; 7. Coiling mechanism; 71. Mounting frame; 72. Pressing roller; 73. Coiling roller; 74. Rotating member. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-4 This application is described in further detail.

[0032] The present application embodiment discloses a cold shrink tube extrusion molding device. Figure 1 、 Figure 2 and Figure 3 The cold shrink tube extrusion molding equipment includes an extrusion mechanism 1, a heating mechanism 2, and a cooling mechanism 3. The heating mechanism 2 includes a heating box 21 and a heating assembly 22. The heating assembly 22 is used to heat the air in the heating box 21. The heating box 21 is also provided with a collection mechanism 4. The collection mechanism 4 includes an air extractor 41 and a processing box 42. One end of the air extractor 41 is connected to the chamber in the heating box 21, and the other end is connected to the processing box 42. An activated carbon plate 43 is provided in the processing box 42. The end of the processing box 42 away from the air extractor 41 is connected to the outside world.

[0033] Reference Figure 1 In the embodiment of the present application, the extrusion mechanism 1 is configured as an extruder, which is mounted on a frame. One end of the extruder away from the heating mechanism 2 is a feed port for feeding materials, and the other end is an extrusion end, and two extrusion ports are provided to achieve double extrusion. The heating box 21 is placed on the ground, and a chamber is provided inside. The heating box 21 is provided with openings on both end side walls along the conveying direction of the shrink tube. In the embodiment of the present application, the heating component 22 is configured as an electric heater, and a heating wire is provided in the electric heater for heating the air in the heating box 21 when power is turned on.

[0034] Reference Figure 1The collecting mechanism 4 also includes a water tank 44 and an inlet pipe 45. The vacuum pump 41 is fixedly installed on the top of the heating box 21. The vacuum end of the vacuum pump 41 is connected to the top of the inner chamber of the treatment box 42 through a pipe. The air outlet end of the vacuum pump 41 is connected to the same end of the inlet pipe 45. The other end of the inlet pipe 45 extends into the water tank 44, and after extending into the water tank 44, it extends downward to the bottom of the inner chamber of the water tank 44, so that the exhaust gas enters the liquid in the water tank 44 through the inlet pipe 45.

[0035] Reference Figure 1 and Figure 2 The water tank 44 is placed on the ground, and the top of the inner chamber of the water tank 44 is connected to the bottom of the treatment tank 42 via a pipe. The end of the treatment tank 42 away from the water tank 44 is connected to the outside world via a pipe. The treatment tank 42 is also equipped with a replacement mechanism 5. In this embodiment of the present application, there are three replacement mechanisms 5, which are distributed along the exhaust gas intake direction of the treatment tank 42.

[0036] Reference Figure 2 、 Figure 3 and Figure 4 The sidewalls of the processing box 42 also have three openings for placement of the replacement racks 52. The width and length of the openings at the ends closest to the outside are both greater than the remaining openings, forming a stepped shape that facilitates closing the openings. Each replacement mechanism 5 comprises a sealing plate 51, a replacement rack 52, a drive assembly 53, and a linkage assembly 54. Each sealing plate 51 is embedded in the end of an opening and is used to abut against the inner wall of the stepped portion of the opening to seal the opening, reducing the chance of exhaust gas from the processing box 42 chamber escaping through the openings. Each sealing plate 51 is longer and wider than the replacement rack 52.

[0037] Reference Figure 2 and Figure 3 The bottom of each closing plate 51 is pivotally connected to the processing box 42 via a pin, and a handle is provided on the top of each closing plate 51. A locking mechanism 6 is provided on the top of each closing plate 51. Each locking mechanism 6 comprises a locking frame 61 and an elastic member 62. Each locking frame 61 is slidably connected to the top of the processing box 42, sliding in the height direction of the processing box 42. The bottom end of each locking frame 61 is inserted into the top of the corresponding closing plate 51, and the top of each closing plate 51 has a through slot for the locking frame 61 to be inserted.

[0038] Reference Figure 2 and Figure 3In the embodiment of the present application, each elastic member 62 is configured as a pressure spring, and each of the pressure springs is sleeved on the top of the corresponding locking frame 61, and the bottom end is abutted against the top of the corresponding locking frame 61, and the top end is abutted against the bottom wall of the processing box 42, so that the locking frame 61 can be continuously inserted into the closing plate 51 and the closing plate 51 can be reset through its own elastic force.

[0039] Reference Figure 2 、 Figure 3 and Figure 4 Each drive assembly 53 includes a drive frame 531, a transmission frame 532, and a reversing member 533. Each drive frame 531 is slidably connected to a surface of the corresponding closing plate 51 near the replacement frame 52 via a slide rail, and the sliding direction is the length direction of the drive frame 531. Each drive frame 531 is located on one side of the corresponding closing plate 51 along its own width direction and at one end of the corresponding closing plate 51 along its own length direction.

[0040] Reference Figure 2 、 Figure 3 and Figure 4 One end of each transmission frame 532 is rotatably connected to the corresponding driving frame 531 through a pin shaft, and the other end of each transmission frame 532 is tilted downward and is rotatably connected to the bracket in the processing box 42 through a pin shaft, so that when the closing plate 51 rotates, the closing plate 51 can drive the driving frame 531 to slide through the transmission frame 532.

[0041] Reference Figure 3 and Figure 4 Each reversing member 533 includes a rotating frame 5331 and two reversing frames 5332, and each linkage assembly 54 includes a setting frame 541 and a linkage frame 542. Each rotating frame 5331 is located on the side of the corresponding closing plate 51 near the replacement frame 52. Each rotating frame 5331 is rotatably connected to the corresponding closing plate 51 via a pin at the middle of its length. The two reversing frames 5332 in each driving member are respectively mounted on both ends of the corresponding rotating frame 5331 along its length and are slidably connected to the corresponding rotating frame 5331, with each sliding direction being the length direction of the rotating frame 5331.

[0042] Reference Figure 3 and Figure 4 One reversing frame 5332 in each driving member is rotatably connected to the corresponding driving frame 531 via a pin, and the other reversing frame 5332 is rotatably connected to the corresponding setting frame 541 via a pin. Each setting frame 541 is located at an end of the corresponding closing plate 51 away from the corresponding driving frame 531 along its own length direction, and is slidably connected to the corresponding closing plate 51 via a slide rail.

[0043] Reference Figure 2 、 Figure 3 and Figure 4 Each mounting rack 541 is pivotally connected to one end of the corresponding linkage rack 542 via a pin, and the other end of each linkage rack 542 is pivotally connected to the corresponding replacement rack 52 via a pin, thereby driving the replacement rack 52 to slide. The bottom of each replacement rack 52 is slidably connected to the processing box 42 via a slide rail, and the sliding direction is the direction of the corresponding opening in the processing box 42, allowing a portion of the replacement rack 52 to slide out of the processing box 42. The top of each replacement rack 52 has an opening for the activated carbon plate 43 to be embedded therein, thereby enabling the installation of the activated carbon plate 43.

[0044] Reference Figure 2 、 Figure 3 and Figure 4 In the initial state, that is, when the closing plate 51 closes the corresponding opening, the replacement frame 52 is completely located in the processing box 42, and the locking frame 61 locks the closing plate 51. When the activated carbon plate 43 needs to be replaced, the locking frame 61 is slid downward so that the bottom end of the locking frame 61 is separated from the closing plate 51, thereby unlocking the closing plate 51. Then, the closing plate 51 is rotated again to open the corresponding opening of the processing box 42.

[0045] Reference Figure 2 、 Figure 3 and Figure 4 During this process, the closing plate 51 drives the driving frame 531 to slide via the transmission frame 532, causing the driving frame 531 to gradually slide from one end of the closing plate 51 to the other. At this time, the driving frame 531 drives the reversing frame 5332, to which it is rotatably connected, to move together, causing the reversing frame 5332 to rotate and cause the rotating frame 5331 to slide relative to the rotating frame 5331.

[0046] Reference Figure 2 、 Figure 3 and Figure 4 During this process, the rotating frame 5331 moves away from the reversing frame 5332 on one end of the driving frame 531, causing the setting frame 541 to slide, and the sliding direction of the setting frame 541 is opposite to the sliding direction of the driving frame 531, so that the setting frame 541 slides toward the other end of the closing plate 51. During the sliding process of the setting frame 541, the setting frame 541 drives the corresponding replacement frame 52 to slide through the linkage frame 542, so that the main part of the replacement frame 52 gradually slides out of the processing box 42, and finally the activated carbon plate 43 on the replacement frame 52 is moved out of the processing box 42.

[0047] Reference Figure 1The cooling mechanism 3 is located on the side of the heating box 21 away from the extrusion mechanism 1. In the embodiment of the present application, the cooling mechanism 3 is configured as a cooling and shaping device that cools the cooling tube using a coolant or a gas-liquid two-phase fluid. This cooling and shaping device is prior art and will not be described in detail here. The cooling and shaping device may also be provided with guide rollers on both sides of the cooling tube along the conveying direction to guide the shrink tube.

[0048] Reference Figure 1 A winding mechanism 7 is also provided on the side of the cooling mechanism 3 away from the heating box 21. The winding mechanism 7 comprises a mounting frame 71, a nip roller 72, a winding roller 73, and a rotating member 74. The mounting frame 71 is placed on the ground, and the nip roller 72 is rotatably connected to the mounting frame 71 via a pin. The bottom of the winding mechanism 71 abuts against the upper side of the shrink tubing extending from the cooling mechanism 3.

[0049] Reference Figure 1 Both ends of the winding roller 73 are rotatably connected to the mounting frame 71 via bearings and are located below the pressing roller 72. In the embodiment of the present application, the rotating member 74 is configured as a reduction motor, which is fixedly mounted on the mounting frame 71, and the output shaft is fixedly connected to the winding roller 73 via a coupling, or is in transmission connection with the winding roller 73 via a pulley, so as to drive the winding roller 73.

[0050] The implementation principle of the cold shrink tube extrusion molding equipment of the embodiment of the present application is as follows: when in use, the extrusion mechanism 1 extrude and mold the cold shrink tube, and then the cold shrink tube is passed into the heating box 21 and heated by the heating component 22. The exhaust gas generated during the heating process is extracted by the vacuum pump 41 and passed into the water storage tank 44, so that the water in the water storage tank 44 absorbs the particulate matter and water-soluble gases in the exhaust gas, and the water-insoluble part is passed into the treatment box 42, adsorbed by the activated carbon plate 43, and then discharged. The heated cold shrink tube enters the cooling mechanism 3, and after being cooled by the cooling mechanism 3, it enters between the nip roller 72 and the winding roller 73, so that the winding roller 73 reels the cooled cold shrink tube.

[0051] The present application also provides a process for preparing a cold shrink tube extrusion molding device, comprising the following steps: S1, extrusion molding: extrusion mechanism 1 extrudes the cold shrink tube into shape; S2. Heating and vulcanization: The extruded cold shrink tube is passed into the heating box 21 and heated by the heating assembly 22 in the heating box 21 to undergo vulcanization. The exhaust gas generated during the heating process is extracted by the exhaust pump 41 and then enters the water storage tank 44. The water in the water storage tank 44 absorbs particulate matter and water-soluble gases in the exhaust gas. The unabsorbed exhaust gas is then passed into the treatment box 42 and adsorbed by the activated carbon plate 43 in the treatment box 42 before exiting. S3, cooling and shaping: the heated shrink tube is passed into the cooling mechanism 3 and fixed in shape under the cooling effect of the cooling mechanism 3; S4, traction and winding: The cooled shrink tube is wound on the winding roller 73, thereby achieving traction and winding of the shrink tube.

[0052] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A cold shrink tube extrusion molding device, comprising an extrusion mechanism (1), a heating mechanism (2) and a cooling mechanism (3), wherein the heating mechanism (2) comprises a heating box (21) and a heating component (22), and the heating component (22) is used to heat the air in the heating box (21), characterized in that: The heating box (21) is further provided with a collecting mechanism (4), the collecting mechanism (4) comprising an exhaust fan (41) and a processing box (42), one end of the exhaust fan (41) being in communication with the chamber in the heating box (21), and the other end being in communication with the processing box (42), an activated carbon plate (43) being provided in the processing box (42), and the end of the processing box (42) away from the end in communication with the exhaust fan (41) being in communication with the outside world.

2. The cold shrink tube extrusion molding equipment according to claim 1, characterized in that: The processing box (42) is also provided with a replacement mechanism (5), the replacement mechanism (5) comprising a replacement frame (52), the replacement frame (52) being slidably connected to the processing box (42), and extending out of the processing box (42) in a sliding direction, one end of the replacement frame (52) being provided with an opening, and the activated carbon plate (43) being embedded in the opening of the replacement frame (52).

3. The cold shrink tube extrusion molding equipment according to claim 2, characterized in that: The processing box (42) is also provided with an opening for the replacement rack (52) to slide out. The replacement mechanism (5) further comprises a closing plate (51). One end of the closing plate (51) is rotatably connected to the processing box (42). One end of the closing plate (51) is embedded in the opening of the replacement rack (52) to close the opening of the replacement rack (52).

4. The cold shrink tube extrusion molding equipment according to claim 3, characterized in that: The replacement mechanism (5) further comprises a linkage assembly (54), the linkage assembly (54) comprising a setting frame (541) and a linkage frame (542), the setting frame (541) being arranged on the closing plate (51), one end of the linkage frame (542) being rotatably connected to the setting frame (541), and the other end being rotatably connected to the replacement frame (52).

5. The cold shrink tube extrusion molding equipment according to claim 4, characterized in that: The setting frame (541) is slidably connected to the closing plate (51), and the sliding direction is the length direction of the closing plate (51). The replacement mechanism (5) also includes a driving component (53), and the driving component (53) is used to drive the setting frame (541) to slide.

6. The cold shrink tube extrusion molding equipment according to claim 5, characterized in that: The driving assembly (53) includes a driving frame (531), a transmission frame (532) and a reversing member (533). The driving frame (531) is slidably connected to the closing plate (51), and the sliding direction is the length direction of the closing plate (51). One end of the transmission frame (532) is rotationally connected to the driving frame (531), and the other end is rotationally connected to the processing box (42). The driving frame (531) drives the setting frame (541) to slide through the reversing member (533).

7. The cold shrink tube extrusion molding equipment according to claim 6, characterized in that: The reversing member (533) includes a rotating frame (5331) and two reversing frames (5332). The rotating frame (5331) is rotatably connected to the closing plate (51) along the middle of its length direction. The two reversing frames (5332) are respectively arranged at both ends of the rotating frame (5331) and are both slidably connected to the rotating frame (5331). One of the reversing frames (5332) is rotatably connected to the driving frame (531), and the other reversing frame (5332) is rotatably connected to the setting frame (541).

8. The cold shrink tube extrusion molding equipment according to claim 1, characterized in that: The collecting mechanism (4) further comprises a water storage tank (44) and an inlet pipe (45); the vacuum pump (41) is located away from one end of the heating box (21) and is connected to one end of the inlet pipe (45); the other end of the inlet pipe (45) extends to the bottom of the inner chamber of the water storage tank (44); water is stored in the chamber of the water storage tank (44); and the top of the water storage tank (44) is connected to the treatment box (42).

9. The cold shrink tube extrusion molding equipment according to claim 1, characterized in that: A winding mechanism (7) is further provided on the side of the cooling mechanism (3) away from the heating box (21), and the winding mechanism (7) includes a mounting frame (71), a pressing roller (72), a winding roller (73) and a rotating member (74). The pressing roller (72) is rotatably connected to the mounting frame (71), and its bottom abuts against the upper side of the shrink tube passing through the cooling mechanism (3). The winding roller (73) is rotatably connected to the mounting frame (71) and is located on the lower side of the pressing roller (72) and is used for winding the shrink tube. The rotating member (74) is used to drive the winding roller (73) to rotate.

10. The process for preparing a cold shrink tube extrusion molding device according to claim 1, characterized in that: The steps include: Extrusion molding: the extrusion mechanism (1) extrudes the cold shrink tube into shape; Heating and vulcanizing: the cold shrink tube after extrusion molding is passed into the heating box (21), and is heated by the heating component (22) in the heating box (21) to undergo vulcanization. The waste gas generated during the heating process is passed into the treatment box (42) and is adsorbed by the activated carbon plate (43) in the treatment box (42) before being discharged; Cooling and shaping: the heated shrink tube is passed into the cooling mechanism (3) and is fixed in shape under the cooling effect of the cooling mechanism (3); Traction and reeling: The cooled shrink tube is wound on a reel roller (73), thereby achieving traction and reeling of the shrink tube.

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