A molding device for composite silicone rubber thermal insulation material

By designing a molding equipment for composite silicone rubber insulation materials, using conveyor belts to continuously transport glue liquid and vulcanize and foam under the action of vulcanized and limiting plates, the problem that existing equipment cannot achieve continuous production is solved, and efficient production of plate-shaped insulation materials and the improvement of molding accuracy is achieved.

CN119748726APending Publication Date: 2025-04-04HUBEI MEIERGE ELECTRONICS CO LTD
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Patent Information

Application Number
CN202510002696.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

The existing molding equipment of composite silicone rubber insulation materials cannot achieve continuous production when producing plate-shaped insulation materials, resulting in low production efficiency and insufficient molding accuracy and stability, resulting in high defective yield.

Method used

A molding equipment for composite silicone rubber insulation material is designed. The first transport component and forming device are used to continuously transport the glue liquid through a conveyor belt, and vulcanize and foam under the action of the vulcanized parts and the limiting plate to form a plate-like insulation material. At the same time, the winding device automatically winds the insulation material to improve production efficiency.

Benefits of technology

It realizes continuous and efficient production of plate-shaped insulation materials, improves the stability and accuracy of molding equipment, reduces the defective yield and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the field of manufacturing equipment for composite silicone rubber thermal insulation materials, and in particular to a molding equipment for composite silicone rubber thermal insulation materials. It includes a bracket and a molding device. The molding device is composed of a first transport component and a molding component, wherein the first transport component includes a molding box and a conveyor belt, the molding box is provided with a feed port and a scraper plate, the outer surface of the conveyor belt is provided with a heat-conducting layer and a heating plate; the molding component includes a vulcanizing part and a limiting plate; the rubber liquid can be scraped, vulcanized and foamed to form a plate-shaped foaming space through the limiting plate, the heat-conducting layer and the side wall of the molding box, and qualified plate-shaped thermal insulation materials can be continuously produced at one time.
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Description

Technical Field

[0001] The present application relates to the field of manufacturing equipment for composite silicone rubber thermal insulation materials, and in particular to molding equipment for composite silicone rubber thermal insulation materials. Background Art

[0002] The molding equipment of composite silicone rubber thermal insulation materials is widely used in modern industrial production. With the increasing requirements for thermal insulation performance in the construction, automobile and other industries, composite silicone rubber thermal insulation materials are favored due to their excellent temperature resistance, weather resistance and good physical and mechanical properties. In order to meet market demand and improve production efficiency and product quality, various molding equipment have emerged. These equipment not only improve the level of production automation, but also significantly reduce production costs and improve the competitiveness of enterprises.

[0003] In the production process of composite silicone rubber insulation materials, common molding methods include extrusion molding, compression molding and injection molding. Among them, compression molding is one of the more commonly used methods. Specifically, compression molding is done by putting the premixed silicone rubber into a mold and using high temperature and high pressure to mold it. This method is suitable for the production of products of specific shapes, especially plate-shaped insulation materials. However, since plate-shaped insulation materials need to be molded one by one through molds, continuous production cannot be achieved, so the production efficiency is relatively low. In addition, although extrusion molding and injection molding can achieve continuous production, they also face certain challenges when processing plate-shaped insulation materials, such as molding accuracy and stability issues.

[0004] Therefore, how to improve the stability and precision of molding equipment and reduce the defective rate, especially for the continuous and efficient production of plate-shaped thermal insulation materials, has become a technical problem that needs to be solved urgently. Summary of the invention

[0005] In order to continuously produce qualified plate-shaped thermal insulation materials, the present application provides a molding device for composite silicone rubber thermal insulation materials, which adopts the following technical solution: A molding device for a composite silicone rubber thermal insulation material, comprising: Bracket; A molding device, the molding device comprising: A first transport component, the first transport component comprises a forming box and a conveyor belt, the forming box is mounted on the bracket, the conveyor belt is horizontally mounted in the forming box, and both sides of the conveyor belt are in contact with the forming box, the forming box is located at one end of the conveyor belt output end and is an opening, the forming box is provided with a feed port in the area above the horizontal section of the conveyor belt, a scraper is installed on the forming box at one side of the feed port close to the conveyor belt output end, and a gap is left between the scraper and the upper surface of the conveyor belt; A molding component, the molding component includes a vulcanizing part and a limiting plate, the vulcanizing part is installed in the molding box, and vulcanizes the glue after being scraped by the scraper; the limiting plate is horizontally installed in the molding box, located on the side of the vulcanizing part close to the output end of the conveyor belt, and located above the conveyor belt; the outer surface of the conveyor belt is provided with a heat-conducting layer, and the lower surface of the conveyor belt is provided with a heating plate fixed on the molding box, and a plurality of heat-conducting fins are provided on the inner wall of the heat-conducting layer, one end of the heat-conducting fin is fixed to the inner wall of the heat-conducting layer, and the other end passes through the conveyor belt and is flush with the inner wall of the conveyor belt; Furthermore, the molding assembly also includes a partition plate, which is located between the vulcanized part and the limit plate. One end of the partition plate is fixed to the top of the molding box, and the other end is located between the conveyor belt and the limit plate. The end of the partition plate close to the conveyor belt is provided with a plurality of nozzles facing the side of the partition plate away from the scraper plate.

[0006] Furthermore, the molding assembly also includes a first limit block and a second limit block, the first limit block is located on the side of the feed port close to the inlet end of the conveyor belt, the first limit block is fixedly mounted on the molding box and fits with the upper surface of the conveyor belt; the second limit block is located at the output end of the conveyor belt, the second limit block is fixedly mounted on the molding box and fits with the output end of the conveyor belt, and the top wall of the second limit block is flush with the upper surface of the conveyor belt.

[0007] Furthermore, the forming device also includes a second transport component, which includes a fixed roller, a movable roller and a first driving member. The fixed roller is located at the outlet of the forming box and is coaxially rotatably connected to the bracket. The rotation axis of the fixed roller and the bracket is parallel to the width direction of the conveyor belt; the movable roller is located above the fixed roller and parallel to the fixed roller. The movable roller is coaxially rotatably connected to the bracket and slides on the bracket in a vertical direction; the first driving member is fixed to the bracket to drive the fixed roller to rotate.

[0008] Furthermore, it also includes a winding device for winding the formed thermal insulation material, and the winding device includes: The winding assembly comprises a mounting post, a winding roller and a second driving member, the mounting post being arranged parallel to the width direction of the conveyor belt and being coaxially rotatably connected to the bracket, the mounting post being provided with two mounting posts, respectively located on both sides of the conveyor belt, one end of the two mounting posts close to each other being provided with a first sliding groove along the axial direction of the mounting post, a first clamping block being provided in one of the first sliding grooves, the first clamping block being elastically slidably connected in the first sliding groove, and the first clamping block having a tendency to move toward the direction of the conveyor belt in normal state; a support shaft being coaxially provided at each end of the winding roller, the end of the support shaft away from the winding roller being provided with a first clamping groove, the first clamping block being able to be inserted into the first clamping groove; the second driving member is used to drive the mounting post to rotate; A gluing component, which is mounted on the bracket and is used to apply glue to the surface of the winding roller before the thermal insulation material is wound around it; A cutting assembly, wherein the cutting assembly comprises a cutting knife and a third driving member, wherein the third driving member is fixedly mounted on the bracket, the cutting knife is fixed on the third driving member, and the third driving member drives the cutting knife to slide toward the belt surface of the conveyor belt, and the cutting assembly is located between the second transport assembly and the winding assembly; The packaging component includes a contact sensor, a fourth driving member and a gluing machine. The contact sensor is installed on the bracket to determine the winding thickness of the thermal insulation material on the winding roller. The fourth driving member is fixed on the bracket to drive the gluing machine to slide in a direction perpendicular to the axis of the winding roller. The gluing machine is used to apply tape to the outermost layer of thermal insulation material.

[0009] Further, the winding device further comprises a traction assembly, the traction assembly comprising a bottom plate, two first guide rails and two sliding blocks, the bottom plate is horizontally mounted on the bracket, and the top surface of the bottom plate is flush with the highest point of the fixed roller, the two first guide rails are respectively located on both sides of the conveyor belt and vertically fixed to the bottom plate, one of the sliding blocks slides in a vertical direction on one of the first guide rails, one of the mounting columns is rotatably connected to one of the sliding blocks, and the second driving member is fixedly mounted on the sliding block; A traction ring is sleeved on one of the mounting posts, the traction ring is coaxially rotatably connected with the mounting post, a traction rope is provided on the traction ring, one end of the traction rope is fixed to the traction ring, and the other end is fixed to an end of the first guide rail away from the bottom plate; A first avoidance groove connected to the first sliding groove is provided on the peripheral wall of the mounting column along the meridian direction of the support shaft, a second clamping groove penetrating through two ends of the traction ring is provided on the inner wall of the traction ring, and a second clamping block extending from the first avoidance groove to the outside of the mounting column is provided on the first clamping block, and the second clamping block can be inserted into the second clamping groove as the first clamping block slides; When the first clamping block is in a normal state, the second clamping block is located at a side of the traction ring close to the conveyor belt, and when the first clamping block is inserted into the first clamping groove, the first clamping block drives the second clamping block to be inserted into the second clamping groove.

[0010] Furthermore, the winding device also includes a winding roller assembly, the winding roller assembly includes a first fixed rod, a second movable rod and a third limit block, the first fixed rod is fixed to the bracket and is located on the side of the second transport assembly away from the conveyor belt, the first fixed rod is arranged perpendicular to the axis direction of the winding roller, and gradually tilts downward in the direction away from the winding assembly; one end of the second movable rod is elastically rotatably connected to the higher end of the first fixed rod, and the rotation axis is parallel to the axis of the winding roller. In normal state, the first fixed rod is parallel to the second movable rod, and the second movable rod is located on the sliding track of the support shaft on the first guide rail; the third limit block is fixed to the first fixed rod, and is used to limit the second movable rod from rotating downward away from one end of the first fixed rod; The take-up roller assemblies are provided with two and are respectively located at two sides of the conveyor belt.

[0011] Further, the winding device further comprises an unlocking assembly, the unlocking assembly comprising an expanding ring and an unlocking rod, the expanding ring is sleeved on the mounting column and is located on the side of the traction ring away from the conveyor belt, the expanding ring is fixed to the first clamping block through a connecting rod passing through the first avoidance groove, and the expanding ring gradually expands along its axis in a direction away from the conveyor belt; the unlocking rod is mounted on the top of the first guide rail, and when the expanding ring rises to a certain height, the unlocking rod can abut against the outer wall of the expanding ring; There are a plurality of the first avoidance grooves, and the plurality of the first avoidance grooves are evenly arranged along the axial direction of the traction ring, and one end of each avoidance groove located on the traction ring close to the conveyor belt is a flared end, and the flared ends of two adjacent first avoidance grooves have an overlapping area; When the first clamping block is inserted into the first clamping slot, the unlocking rod abuts against the expanding ring. After the first clamping block is withdrawn from the first clamping slot, the second clamping block is still in the second clamping slot. When the unlocking rod continues to abut against the expanding ring, the second clamping block withdraws from the second clamping slot.

[0012] Furthermore, the winding device further comprises a roller assembly, the roller assembly comprising two second guide plates, the two second guide plates are respectively arranged on both sides of the conveyor belt, each of the second guide plates is provided with a guide groove for sliding one of the support shafts, the guide groove comprises an inclined section and a vertical section, the vertical section is located directly below the mounting post, one end of the inclined section is connected to the vertical section, and the other end is inclined upward toward a side away from the conveyor belt; a second avoidance groove for the mounting post to escape is provided in the upper area of ​​the vertical section; The roller loading assembly is located on a side of the second transport assembly away from the conveyor belt; The cross section of the support shaft is rectangular; The first clamping block is provided with a wedge-shaped surface on its upper side for easy insertion into the first clamping groove.

[0013] Furthermore, the roller loading assembly also includes a limiting roller and a fifth driving member, wherein the limiting roller is located between the two second guide plates and is arranged parallel to the axial direction of the winding roller, and the fifth driving member is installed on the bracket to drive the limiting roller to prevent the winding roller from sliding from the inclined section into the vertical section.

[0014] In summary, the present application includes at least one of the following beneficial technical effects: 1. A composite silicone rubber thermal insulation material molding device is designed to continuously produce plate-shaped thermal insulation materials through the cooperation of the first conveying component and the molding device; 2. A composite silicone rubber thermal insulation material molding equipment is designed, which automatically rolls up the plate-shaped thermal insulation material through the winding device to improve production efficiency; 3. A composite silicone rubber thermal insulation material molding equipment is designed, which improves the efficiency of installing the winding roller and storing the winding roller with the thermal insulation material through the cooperation of the unlocking component, the winding roller component and the unwinding roller component. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a molding device for a composite silicone rubber thermal insulation material according to an embodiment of the present application; Figure 2 It is a partial structural schematic diagram of a molding device for a composite silicone rubber thermal insulation material according to an embodiment of the present application, and is intended to illustrate a molding device; Figure 3 It is a partial structural schematic diagram of a molding device for a composite silicone rubber thermal insulation material according to an embodiment of the present application, and is intended to show a winding device; Figure 4 This is a schematic diagram of the structure of a second transport component of a molding device for a composite silicone rubber thermal insulation material according to an embodiment of the present application; Figure 5It is a partial structural schematic diagram of a molding device for a composite silicone rubber thermal insulation material according to an embodiment of the present application; Figure 6 It is a partial structural cross-sectional schematic diagram of a molding device for a composite silicone rubber thermal insulation material according to an embodiment of the present application; Figure 7 This is a schematic diagram of the structure of a cutting assembly of a molding device for a composite silicone rubber thermal insulation material according to an embodiment of the present application; Figure 8 This is a schematic diagram of the structure of a packaging component portion of a molding device for a composite silicone rubber thermal insulation material according to an embodiment of the present application; Fig. 9 It is a partial structural schematic diagram of a molding device for a composite silicone rubber thermal insulation material according to an embodiment of the present application.

[0016] 1. bracket; 2. first transport component; 21. forming box; 211. feed port; 22. conveyor belt; 23. scraper; 3. forming component; 31. vulcanizing part; 32. limit plate; 33. heat conducting layer; 34. heating plate; 35. heat conducting fin; 36. partition plate; 37. nozzle; 38. first limit block; 39. second limit block; 4. second transport component; 41. fixed roller; 42. movable roller; 43. first driving member; 5. winding component; 51. mounting column; 511. first sliding groove; 512. first clamping block; 513. first avoidance groove; 514. second clamping block; 52. winding roller; 521. support shaft; 522. first clamping groove; 53. second driving member; 54. guide roller; 6. gluing component; 61. glue box; 62. fifth driving member; 7. cutting group Component; 71, cutting knife; 72, third driving component; 8, packaging component; 81, contact sensor; 82, fourth driving component; 83, glue sticking machine; 9, traction component; 91, bottom plate; 92, first guide rail; 93, sliding block; 94, traction ring; 941, second clamping groove; 95, traction rope; 10, roller retracting component; 101, first fixed rod; 102, second movable rod; 103, third limit block; 11, unlocking component; 111, expansion ring; 112, unlocking rod; 12, roller loading component; 121, second guide plate; 1211, guide groove; 1212, inclined section; 1213, vertical section; 1214, second avoidance groove; 122, limiting roller; 123, fifth driving component; 13, adjustment component; 131, screw; 132, first connecting rod; 133, second connecting rod; 134, linkage disk. DETAILED DESCRIPTION

[0017] The following is combined with Figure 1-9 This application is described in further detail.

[0018] The embodiment of the present application discloses a molding device for a composite silicone rubber thermal insulation material.

[0019] Reference Figure 1 and Figure 2 A molding device for composite silicone rubber thermal insulation material includes a bracket 1 and a molding device. The molding device includes a first transport component 2 and a molding component 3. The first transport component 2 transports the glue liquid to the molding component 3 for foaming to form an insulation board, thereby continuously producing plate-shaped thermal insulation materials and improving production efficiency.

[0020] The first transport component 2 includes a forming box 21 and a conveyor belt 22. The forming box 21 is installed on the bracket 1. The conveyor belt 22 is horizontally installed in the forming box 21, and the two sides of the conveyor belt 22 are in contact with the forming box 21. The forming box 21 is located at the output end of the conveyor belt 22 and has an opening. The forming box 21 is located above the horizontal section of the conveyor belt 22 and has a feed port 211. A scraper 23 is installed on the side of the forming box 21 located near the output end of the conveyor belt 22, and a gap is left between the scraper 23 and the upper surface of the conveyor belt 22. The molding assembly 3 includes a vulcanizing component 31 and a limiting plate 32. The vulcanizing component 31 is installed in the molding box 21 to vulcanize the glue after being scraped by the scraper 23. In the present application, the vulcanizing component 31 is an electron beam irradiation pre-vulcanization device; the limiting plate 32 is horizontally installed in the molding box 21, located on the side of the vulcanizing component 31 close to the output end of the conveyor belt 22, and located above the conveyor belt 22; the outer surface of the conveyor belt 22 is provided with a heat-conducting layer 33, and the lower belt surface of the conveyor belt 22 is provided with a heating plate 34 fixed on the molding box 21. A plurality of heat-conducting fins 35 are provided on the inner wall of the heat-conducting layer 33, one end of the heat-conducting fin 35 is fixed to the inner wall of the heat-conducting layer 33, and the other end passes through the conveyor belt 22 and is flush with the inner wall of the conveyor belt 22. In the present application, in order to prevent the glue from foaming before passing through the vulcanizing component 31, the heating plate 34 is arranged on the side of the vulcanizing component 31 close to the output end of the conveyor belt 22; The personnel pour the mixed glue liquid from the feed port 211 onto the heat conductive layer 33 outside the conveyor belt 22, and evenly smear it on the heat conductive layer 33 through the scraper plate 23. The smeared glue liquid moves forward with the conveyor belt 22. When passing through the vulcanized part 31, the vulcanized part 31 uses electron beam irradiation technology to pre-vulcanize the glue liquid. When the glue liquid enters above the heating plate 34, the heating plate 34 transfers heat to the heat conductive layer 33 through the heat conductive fins 35. The heat conductive layer 33 provides the necessary heat for the glue liquid to foam, so that the glue liquid begins to foam as it moves forward with the conveyor belt 22. At the same time, the foaming limit is limited by the heating plate 34, the limit plate 32, and the inner wall of the molding box 21 to form a plate-like thermal insulation material, so that the plate-like thermal insulation material is continuously produced through the conveyor belt 22 to improve production efficiency.

[0021] During the foaming process, the pressure in the foaming area affects the size and completeness of the foaming and thus affects the quality of the foaming. Therefore, in order to improve the foaming quality of the adhesive and change the air pressure in the foaming area of ​​the adhesive, the molding assembly 3 also includes a partition plate 36, which is located between the vulcanized part 31 and the limit plate 32. One end of the partition plate 36 is fixed to the top of the molding box 21, and the other end is located between the conveyor belt 22 and the limit plate 32. The end of the partition plate 36 close to the conveyor belt 22 is provided with a plurality of nozzles 37 facing the side of the partition plate 36 away from the scraper plate 23. In the present application, it is preferred to input the hot air flow in the foaming area into the nozzle 37 through an air pump; In this way, when the foamed insulation material near the output end of the conveyor belt 22 abuts against the limit plate 32, the air flow is blown into the foaming area formed by the partition plate 36, the limit plate 32, the inner wall of the molding box 21, and the foamed insulation material through the nozzle 37, thereby increasing the pressure inside and improving the foaming quality.

[0022] Reference Figure 2 In order to prevent the glue from not completely covering the surface of the heat-conducting layer 33 and to facilitate the thermal insulation material to fall off the heat-conducting layer 33, the molding assembly 3 further includes a first limit block 38 and a second limit block 39. The first limit block 38 is located on the side of the feed port 211 close to the inlet end of the conveyor belt 22. The first limit block 38 is fixedly mounted on the molding box 21 and fits the upper surface of the conveyor belt 22; the second limit block 39 is located at the output end of the conveyor belt 22. The second limit block 39 is fixedly mounted on the molding box 21 and fits the output end of the conveyor belt 22, and the top wall of the second limit block 39 is flush with the upper surface of the conveyor belt 22. In this way, a person pours an excess amount of glue between the first limit block 38 and the scraper plate 23 to ensure that the gap between the scraper plate 23 and the conveyor belt 22 is filled with glue. Since the glue forming the foaming material has low fluidity and the conveyor belt 22 is continuously running, the glue will not flow out too much directly from the gap between the scraper plate 23 and the conveyor belt 22. The second limit block 39 at the output end of the conveyor belt 22 is equivalent to a scraper that separates the thermal insulation material on the thermal conductive layer 33 from the thermal conductive layer 33, thereby facilitating the transportation of the thermal insulation material.

[0023] Reference Figure 3 and Figure 4, in order for personnel to collect the insulation board output from the forming box 21, the forming device also includes a second transport component 4, the second transport component 4 includes a fixed roller 41, a movable roller 42 and a first driving member 43, the fixed roller 41 is located at the outlet of the forming box 21, and is coaxially connected to the bracket 1, and the rotation axis of the fixed roller 41 and the bracket 1 is parallel to the width direction of the conveyor belt 22; the movable roller 42 is located above the fixed roller 41 and parallel to the fixed roller 41, and the movable roller 42 is coaxially connected to the bracket 1 and slides on the bracket 1 in a vertical direction; the first driving member 43 is fixed to the bracket 1 to drive the fixed roller 41 to rotate, and the first driving member 43 in this application is a motor; The insulation board output from the forming box 21 passes through the fixed roller 41 and the movable roller 42, and the fixed roller 41 is driven to rotate by the first driving member 43 to output the insulation board for subsequent collection by personnel. The movable roller 42 presses on the insulation board by its own weight, thereby increasing the friction between the insulation board and the fixed roller 41 and the movable roller 42.

[0024] Reference Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8 In order to collect the formed insulation material, a composite silicone rubber insulation material forming device also includes a winding device for winding the insulation material, and the winding device includes a winding component 5, a gluing component 6, a cutting component 7 and a packaging component 8; The winding assembly 5 includes a mounting post 51, a winding roller 52 and a second driving member 53. The mounting post 51 is arranged parallel to the width direction of the conveyor belt 22 and is coaxially rotatably connected to the bracket 1. There are two mounting posts 51, which are respectively located on both sides of the conveyor belt 22. One end of the two mounting posts 51 close to each other is respectively provided with a first sliding groove 511 along the axial direction of the mounting post 51. A first clamping block 512 is provided in a first sliding groove 511. The first clamping block 512 is elastically slidably connected in the first sliding groove 511. Under normal circumstances, the first clamping block 512 has a tendency to move toward the conveyor belt 22. A support shaft 521 is coaxially provided at each end of the winding roller 52. The end of the support shaft 521 away from the winding roller 52 is provided with a first clamping groove 522, and the first clamping block 512 can be inserted into the first clamping groove 522. The second driving member 53 is used to drive the mounting post 51 to rotate. In this application, the second driving member 53 is a motor. The gluing component 6 is mounted on the bracket 1 and is used to apply glue to the surface of the winding roller 52 before the thermal insulation material is wound around it; The cutting assembly 7 includes a cutting knife 71 and a third driving member 72. The third driving member 72 is fixedly mounted on the bracket 1. The cutting knife 71 is fixed on the third driving member 72. The third driving member 72 drives the cutting knife 71 to slide toward the belt surface of the conveyor belt 22. In the present application, the third driving member 72 is a motor. The cutting assembly 7 is located between the second transport assembly 4 and the winding assembly 5. The packing assembly 8 includes a contact sensor 81, a fourth driving member 82 and a glue sticking machine 83. The contact sensor 81 is mounted on the bracket 1 to determine the winding thickness of the heat-insulating material on the winding roller 52. The fourth driving member 82 is fixed on the bracket 1 to drive the glue sticking machine 83 to slide in a direction perpendicular to the axis of the winding roller 52. In the present application, the fourth driving member 82 is a cylinder. The glue sticking machine 83 is used to stick adhesive tape to the outermost layer of the heat-insulating material. Thus, in the first step, the surface of the winding roller 52 is coated with glue by the glue-applying component 6; In the second step, the personnel install the glue-coated winding roller 52 on the installation column 51 by means of the first clamping block 512 and the first clamping groove 522; The third step is to bond the heat-insulating material outputted by the second conveying group to the winding roller 52, and then the second driving member 53 drives the mounting column 51 to rotate, so as to wind the heat-insulating material on the winding roller 52. During the winding process, the diameter of the heat-insulating material gradually increases, and the rotation speed of the second driving member 53 can be controlled to adapt to the production speed of the forming device. In the fourth step, when the thickness of the thermal insulation material on the winding roller 52 reaches a certain thickness, it contacts the contact sensor 81. The contact sensor 81 controls the third driving member 72 through the controller to drive the cutting knife 71 to cut the thermal insulation material. At the same time, the fourth driving member 82 drives the gluing machine 83 to apply tape to the outermost layer of the thermal insulation material to fix the interface of the thermal insulation material to the thermal insulation material roll.

[0025] Reference Figure 5 In order to facilitate cutting by the cutting knife 71, a guide roller 54 is provided between the mounting column 51 and the first transport component 2, the mounting column 51 is located above the guide roller 54, the insulation material passes under the guide roller 54, and the cutting knife 71 is located between the guide roller 54 and the first transport component 2, so that the guide roller 54 and the insulation material of the first transport component 2 always maintain an unchanged position, which is convenient for cutting by the cutting knife 71.

[0026] Reference Figure 3 , Figure 5 and Figure 6, further, in order to facilitate the personnel to collect the winding roller 52 later, the winding device also includes a traction assembly 9, which includes a bottom plate 91, two first guide rails 92 and two sliding blocks 93. The bottom plate 91 is horizontally mounted on the bracket 1, and the top surface of the bottom plate 91 is flush with the highest point of the fixed roller 41. The two first guide rails 92 are respectively located on both sides of the conveyor belt 22 and are vertically fixed on the bottom plate 91. A sliding block 93 slides on a first guide rail 92 in a vertical direction. A mounting column 51 is rotatably connected to a sliding block 93, and a second driving member 53 is fixedly mounted on the sliding block 93; A traction ring 94 is sleeved on a mounting column 51, and the traction ring 94 is coaxially rotatably connected with the mounting column 51. A traction rope 95 is provided on the traction ring 94, and one end of the traction rope 95 is fixed to the traction ring 94, and the other end is fixed to the end of the first guide rail 92 away from the bottom plate 91; A first avoidance groove 513 connected to the first sliding groove 511 is provided on the peripheral wall of the mounting column 51 along the meridian direction of the support shaft 521, a second clamping groove 941 penetrating through both ends of the traction ring 94 is provided on the inner wall of the traction ring 94, and a second clamping block 514 extending from the first avoidance groove 513 to the outside of the mounting column 51 is provided on the first clamping block 512, and the second clamping block 514 can be inserted into the second clamping groove 941 as the first clamping block 512 slides; When the first clamping block 512 is in a normal state, the second clamping block 514 is located on the side of the traction ring 94 close to the conveyor belt 22. When the first clamping block 512 is inserted into the first clamping groove 522, the first clamping block 512 drives the second clamping block 514 to be inserted into the second clamping groove 941. When the personnel inserts the first clamping block 512 into the first clamping groove 522 of the knife, the second clamping block is inserted into the second clamping groove 941 of the knife. At this time, the traction ring 94 rotates simultaneously with the mounting column 51, and the second driving member 53 drives the mounting column 51 to rotate. At the same time, the traction rope 95 is wound around the traction ring 94, driving the sliding block 93 to slide upward, and the winding roller 52 wound with the thermal insulation material is lifted to a high place for the personnel to collect the winding roller 52 later; after the personnel pushes the first clamping block 512 and removes the winding roller 52, the second clamping block 514 withdraws from the second clamping groove 941, the traction ring 94 is rotatably connected to the mounting column 51, and the sliding block 93 slides to the initial state by its own gravity.

[0027] Reference Figure 3 and Fig. 9, in order to facilitate personnel to collect the winding roller 52 of the wound insulation material, the winding device also includes a winding roller assembly 10, which includes a first fixed rod 101, a second movable rod 102 and a third limit block 103. The first fixed rod 101 is fixed to the bracket 1 and is located on the side of the second transport component 4 away from the conveyor belt 22. The first fixed rod 101 is arranged perpendicular to the axis direction of the winding roller 52 and gradually tilts downward in the direction away from the winding assembly 5; one end of the second movable rod 102 is elastically rotatably connected to the higher end of the first fixed rod 101, and the rotation axis is parallel to the axis of the winding roller 52. In normal state, the first fixed rod 101 is parallel to the second movable rod 102, and the second movable rod 102 is located on the sliding track of the support shaft 521 on the first guide rail 92; the third limit block 103 is fixed to the first fixed rod 101, and is used to limit the second movable rod 102 from rotating downward away from one end of the first fixed rod 101; the winding roller assembly 10 is provided with two, and is respectively located on both sides of the conveyor belt 22; In this way, during the rising process of the winding roller 52, the support shaft 521 contacts the second movable rod 102, pushing it to rotate until it moves above the second movable rod 102. After the winding roller 52 is removed from the mounting column 51, the winding roller 52 falls, and the support shaft 521 falls and contacts the second movable rod 102. Since the third limit block 103 restricts the rotation of the second movable rod 102, the support shaft 521 slides from the second movable rod 102 to the first fixed rod 101. Personnel can set a collection box under the first fixed rod 101 to make the winding roller 52 automatically slide into the collection box.

[0028] Reference Figure 3 and Figure 6 In order to automatically remove the winding roller 52 from the mounting column 51, the winding device further includes an unlocking assembly 11, which includes an expansion ring 111 and an unlocking rod 112. The expansion ring 111 is sleeved on the mounting column 51 and is located on the side of the traction ring 94 away from the conveyor belt 22. The expansion ring 111 is fixed to the first clamping block 512 through a connecting rod passing through the first avoidance groove 513. The expansion ring 111 gradually expands along its axis in a direction away from the conveyor belt 22; the unlocking rod 112 is installed on the top of the first guide rail 92, and when the expansion ring 111 rises to a certain height, the unlocking rod 112 can abut against the outer wall of the expansion ring 111; A plurality of first avoidance grooves 513 are provided, and a plurality of first avoidance grooves 513 are evenly provided along the axial direction of the traction ring 94, and each first avoidance groove 513 is a flared end at one end of the traction ring 94 close to the conveyor belt 22, and the flared ends of two adjacent first avoidance grooves 513 have an overlapping area; When the first clamping block 512 is inserted into the first clamping groove 522, the unlocking rod 112 abuts against the flaring ring 111. After the first clamping block 512 is withdrawn from the first clamping groove 522, the second clamping block 514 is still in the second clamping groove 941. When the unlocking rod 112 continues to abut against the flaring ring 111, the second clamping block 514 is withdrawn from the second clamping groove 941. After the first engaging block 512 is withdrawn from the first engaging groove 522, the winding roller 52 falls, and the unlocking rod 112 continues to push the expanding ring 111 to move. After the second engaging block 514 withdraws to the side of the traction ring 94 away from the conveyor belt 22, the second driving member 53 stops working, and the traction ring 94 is rotatably connected to the mounting column 51. At this time, the sliding block 93 falls, and after the expanding ring 111 is disengaged from the unlocking rod 112, due to the elastic force of the first engaging block 512 itself and the setting of multiple second engaging grooves 941, the second engaging block 514 passes through the traction ring 94 and returns to the side of the traction ring 94 close to the conveyor belt 22, and the sliding block 93 falls to the initial state.

[0029] Reference Figure 3 and Fig. 9 , further, in order to automatically mount the winding roller 52 on the mounting column 51, the winding device also includes a roller assembly 12, the roller assembly 12 includes two second guide plates 121, the two second guide plates 121 are respectively arranged on both sides of the conveyor belt 22, each second guide plate 121 is provided with a guide groove 1211 for a support shaft 521 to slide, the guide groove 1211 includes an inclined section 1212 and a vertical section 1213, the vertical section 1213 is located directly below the mounting column 51, one end of the inclined section 1212 is connected to the vertical section 1213, and the other end is inclined upward toward the side away from the conveyor belt 22; a second avoidance groove 1214 for the mounting column 51 to escape is provided in the upper area of ​​the vertical section 1213; The roller assembly 12 is located on a side of the second transport assembly 4 away from the conveyor belt 22; The cross section of the support shaft 521 is rectangular; The first clamping block 512 has a wedge-shaped surface on its upper side for easy insertion into the first clamping groove 522; In this way, when the sliding block 93 is in the lowest position, the winding roller 52 slides from the inclined section 1212 to the vertical section 1213, and then relies on the gravity of the winding roller 52 itself to abut against the wedge surface on the first clamping block 512, pushing the first clamping block 512 to move. After the first clamping block 512 and the first clamping groove 522 are inserted, the second driving member 53 starts to work, driving the support shaft 521 to draw out the vertical section 1213 from the second avoidance groove 1214, thereby completing the automatic installation of the winding roller 52.

[0030] Reference Figure 3 and Fig. 9 , further, in order to automatically control the multiple winding rollers 52 to slide down one by one, the roller assembly 12 also includes a limiting roller 122 and a fifth driving member 123, the limiting roller 122 is located between the two second guide plates 121, and is arranged parallel to the axis direction of the winding roller 52, the fifth driving member 123 is installed on the bracket 1, and is used to drive the limiting roller 122 to prevent the winding roller 52 from sliding from the inclined section 1212 into the vertical section 1213, and the fourth driving member 82 in the present application is a cylinder; Personnel can place multiple winding rollers 52 in the inclined section 1212. When the winding roller 52 does not need to be installed, the fifth driving member 123 drives the limiting roller 122 to move to the inclined section 1212 to prevent the winding roller 52 from sliding off the inclined section 1212. When a winding roller 52 needs to be installed, the fifth driving member 123 drives the limiting roller 122 to move out of the inclined section 1212, allowing a winding roller 52 to slide from the inclined section 1212 to the vertical section 1213.

[0031] Reference Figure 3 and Fig. 9 In order to automatically glue the winding roller 52, the glue application assembly 6 includes a glue box 61 and a sixth driving member 62. The limiting roller 122 moves upward from the lower side of the inclined section 1212 to the inclined section 1212. The glue box 61 is placed directly below the limiting roller 122. The limiting roller 122 is coaxially connected to the output end of the fourth driving member 82. The sixth driving member 62 is fixed to the output shaft of the fifth driving member 123 and is used to drive the limiting roller 122 to rotate. In this application, the sixth driving member 62 is a motor. In this way, when the limiting roller 122 moves downward, part of the limiting roller 122 extends into the glue box 61, and the sixth driving member 62 drives the limiting roller 122 to rotate so that it is covered with glue. In the process of the limiting roller 122 limiting the winding roller 52 and releasing the winding roller 52, the sixth driving member 62 is used to wrap the downward part of the winding roller 52 with glue.

[0032] Reference Figure 1 and Figure 2In order to manufacture thermal insulation materials of different thicknesses, the molding device further includes an adjusting assembly 13, which includes a screw 131, a first connecting rod 132, a second connecting rod 133 and a linkage disk 134. The partition plate 36 is fixed to the limit plate 32, the scraper plate 23 and the partition plate 36 are vertically slidably connected on the molding box 21, the screw 131 is vertically rotatably connected to the bottom of the molding box 21, the scraper plate 23 is threadedly connected to the screw 131, and the linkage disk 134 is installed between the partition plate 36 and the scraper plate 23, and is rotatably connected to the top of the molding box 21, and the rotation axis is parallel to the conveyor belt 22. In the width direction, in the present application, the center of the linkage disk 134 is taken as the origin, and the linkage disk 134 is divided into four quadrants, wherein the lower quadrant close to the scraper plate 23 is the connection quadrant, one end of the first connecting rod 132 is rotatably connected to the scraper plate 23 and is higher than the connection quadrant, and the other end is rotatably connected to the area in the connection quadrant on the linkage disk 134, one end of the second connecting rod 133 is rotatably connected to the partition plate 36 and is lower than the connection quadrant, and the other end is rotatably connected to the area in the connection quadrant on the linkage disk 134, and the distance between the center of the linkage disk 134 and the linkage disk 134 can be adjusted on the linkage disk 134; When the height of the scraper plate 23 is adjusted by the screw 131, the first connecting rod 132 drives the linkage disk 134 to rotate, and the linkage disk 134 drives the second connecting rod 133 to lift the height of the partition plate 36. By adjusting the distance between the second connecting rod 133 and the center of the linkage disk 134, the lifting ratio is adjusted to adapt to insulation materials with different foaming ratios.

[0033] The implementation principle of the molding equipment of a composite silicone rubber thermal insulation material in the embodiment of the present application is as follows: the glue liquid is poured onto the thermal conductive layer 33 from the feed port 211, and is evenly smeared on the thermal conductive layer 33 through the scraper plate 23. After vulcanization and foaming, a plate-shaped thermal insulation material is formed, which is transported to the bottom plate 91 through the second transport component 4. At this time, the winding roller 52 wrapped with glue liquid slides from the inclined section 1212 to the vertical section 1213 and adheres to the thermal insulation material. At the same time, the first clamping block 512 is clamped with the first clamping groove 522, the traction ring 94 is relatively fixed to the mounting column 51, and the second driving member 53 is started, driving the winding roller 52 to wrap around the thermal insulation material. , the winding roller 52 moves upward, and the thickness of the insulation material on the winding roller 52 gradually increases. After the contact sensor 81 is triggered, it drives the cutting knife 71 to cut the insulation material. At the same time, the fourth driving member 82 drives the glue sticking machine 83 to pack the insulation material. Then, when the expansion ring 111 contacts the unlocking rod 112, the winding roller 52 falls, and the winding roller assembly 10 collects the winding roller 52 wrapped with the insulation material. When the second clamping block 514 slides out of the second clamping groove 941, the sliding block 93 slides to the initial position, waiting for the next winding roller 52 to be installed. This cycle is used to realize the continuous production and storage of plate-like insulation materials and improve production efficiency.

[0034] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A molding device for composite silicone rubber thermal insulation material, characterized in that: include: Bracket (1); A molding device, the molding device comprising: A first transport component (2), the first transport component (2) comprising a forming box (21) and a conveyor belt (22), the forming box (21) being mounted on the support (1), the conveyor belt (22) being horizontally mounted in the forming box (21), and both sides of the conveyor belt (22) being in contact with the inside of the forming box (21), the forming box (21) being located at one end of the output end of the conveyor belt (22) as an opening, the forming box (21) being located at an area above the horizontal section of the conveyor belt (22) and being provided with a feed port (211), a scraper plate (23) being mounted on one side of the forming box (21) located near the feed port (211) and the output end of the conveyor belt (22), and a gap being left between the scraper plate (23) and the upper surface of the conveyor belt (22); A molding component (3), the molding component (3) comprising a vulcanizing component (31) and a limiting plate (32), the vulcanizing component (31) being installed in the molding box (21) to vulcanize the glue liquid after being scraped by the scraping plate (23); the limiting plate (32) being installed horizontally in the molding box (21), located on the side of the vulcanizing component (31) close to the output end of the conveyor belt (22), and located above the conveyor belt (22); a heat-conducting layer (33) is provided on the outer surface of the conveyor belt (22), a heating plate (34) fixed on the molding box (21) is provided on the lower surface of the conveyor belt (22), a plurality of heat-conducting fins (35) are provided on the inner wall of the heat-conducting layer (33), one end of the heat-conducting fin (35) is fixed to the inner wall of the heat-conducting layer (33), and the other end passes through the conveyor belt (22) and is flush with the inner wall of the conveyor belt (22).

2. The molding equipment of composite silicone rubber thermal insulation material according to claim 1, characterized in that: The molding assembly (3) further comprises a partition plate (36), wherein the partition plate (36) is located between the vulcanized component (31) and the limiting plate (32), wherein one end of the partition plate (36) is fixed to the top of the molding box (21), and the other end is located between the conveyor belt (22) and the limiting plate (32), and a plurality of nozzles (37) are provided at one end of the partition plate (36) close to the conveyor belt (22) and facing the side of the partition plate (36) away from the scraper plate (23).

3. The molding equipment of composite silicone rubber thermal insulation material according to claim 2, characterized in that: The molding assembly (3) further comprises a first limit block (38) and a second limit block (39), wherein the first limit block (38) is located on a side of the feed port (211) close to an inlet end of the conveyor belt (22), the first limit block (38) is fixedly mounted on the molding box (21) and is in contact with an upper surface of the conveyor belt (22); the second limit block (39) is located at an output end of the conveyor belt (22), the second limit block (39) is fixedly mounted on the molding box (21) and is in contact with the output end of the conveyor belt (22), and a top wall of the second limit block (39) is flush with the upper surface of the conveyor belt (22).

4. A molding device for composite silicone rubber thermal insulation material according to any one of claims 1 to 3, characterized in that: The forming device also includes a second transport component (4), which includes a fixed roller (41), a movable roller (42) and a first driving member (43). The fixed roller (41) is located at the outlet of the forming box (21) and is coaxially rotatably connected to the bracket (1). The rotation axes of the fixed roller (41) and the bracket (1) are parallel to the width direction of the conveyor belt (22). The movable roller (42) is located above the fixed roller (41) and is parallel to the fixed roller (41). The movable roller (42) is coaxially rotatably connected to the bracket (1) and slides on the bracket (1) in a vertical direction. The first driving member (43) is fixed to the bracket (1) and is used to drive the fixed roller (41) to rotate.

5. The molding equipment of composite silicone rubber thermal insulation material according to claim 4, characterized in that: The invention also includes a winding device for winding the formed thermal insulation material, and the winding device includes: The winding assembly (5) comprises a mounting post (51), a winding roller (52) and a second driving member (53). The mounting post (51) is arranged parallel to the width direction of the conveyor belt (22) and is coaxially rotatably connected to the bracket (1). Two mounting posts (51) are provided, which are respectively located on both sides of the conveyor belt (22). One end of the two mounting posts (51) close to each other is provided with a first sliding groove (511) along the axis direction of the mounting post (51). A first clamping block (53) is provided in one of the first sliding grooves (511). 512), the first clamping block (512) is elastically slidably connected in the first sliding groove (511), and in normal state, the first clamping block (512) has a tendency to move toward the direction of the conveyor belt (22); a support shaft (521) is coaxially provided at each end of the winding roller (52), and a first clamping groove (522) is provided at one end of the support shaft (521) away from the winding roller (52), and the first clamping block (512) can be inserted into the first clamping groove (522); the second driving member (53) is used to drive the mounting column (51) to rotate; A gluing component (6), the gluing component (6) being mounted on the bracket (1) and used for applying glue to the surface of the winding roller (52) before the thermal insulation material is wound around it; A cutting assembly (7), wherein the cutting assembly (7) comprises a cutting knife (71) and a third driving member (72), wherein the third driving member (72) is fixedly mounted on the bracket (1), the cutting knife (71) is fixed on the third driving member (72), and the third driving member (72) drives the cutting knife (71) to slide toward the belt surface of the conveyor belt (22), and the cutting assembly (7) is located between the second transport assembly (4) and the winding assembly (5); A packing assembly (8), the packing assembly (8) comprising a contact sensor (81), a fourth driving member (82) (55) and a gluing machine (83), the contact sensor (81) being mounted on the bracket (1) for determining the winding thickness of the thermal insulation material on the winding roller (52), the fourth driving member (82) (55) being fixed on the bracket (1) for driving the gluing machine (83) to slide in a direction perpendicular to the axis of the winding roller (52), the gluing machine (83) being used for applying adhesive tape to the outermost layer of the thermal insulation material.

6. The molding equipment of composite silicone rubber thermal insulation material according to claim 5, characterized in that: The winding device also includes a traction assembly (9), the traction assembly (9) includes a bottom plate (91), two first guide rails (92) and two sliding blocks (93), the bottom plate (91) is horizontally mounted on the bracket (1), and the top surface of the bottom plate (91) is flush with the highest point of the fixed roller (41), the two first guide rails (92) are respectively located on both sides of the conveyor belt (22) and are vertically fixed on the bottom plate (91), one of the sliding blocks (93) slides on one of the first guide rails (92) in a vertical direction, one of the mounting columns (51) is rotatably connected to one of the sliding blocks (93), and the second driving member (53) is fixedly mounted on the sliding block (93); A traction ring (94) is sleeved on one of the mounting posts (51), the traction ring (94) is coaxially rotatably connected to the mounting post (51), a traction rope (95) is provided on the traction ring (94), one end of the traction rope (95) is fixed to the traction ring (94), and the other end is fixed to an end of the first guide rail (92) away from the bottom plate (91); A first avoidance groove (513) connected to the first sliding groove (511) is provided on the peripheral wall of the mounting column (51) along the meridian direction of the support shaft (521); a second clamping groove (941) penetrating through two ends of the traction ring (94) is provided on the inner wall of the traction ring (94); a second clamping block (514) extending from the first avoidance groove (513) to the outside of the mounting column (51) is provided on the first clamping block (512); the second clamping block (514) can be inserted into the second clamping groove (941) as the first clamping block (512) slides; When the first clamping block (512) is in a normal state, the second clamping block (514) is located on a side of the traction ring (94) close to the conveyor belt (22); when the first clamping block (512) is inserted into the first clamping groove (522), the first clamping block (512) drives the second clamping block (514) to be inserted into the second clamping groove (941).

7. The molding equipment of composite silicone rubber thermal insulation material according to claim 6, characterized in that: The winding device also includes a winding roller assembly (10), the winding roller assembly (10) including a first fixed rod (101), a second movable rod (102) and a third limit block (103), the first fixed rod (101) being fixed to the bracket (1) and being located on a side of the second transport assembly away from the conveyor belt (22), the first fixed rod (101) being arranged perpendicular to the axis direction of the winding roller (52) and gradually tilting downward in a direction away from the winding roller assembly (5); one end of the second movable rod (102) is The third limit block (103) is elastically rotatably connected to the higher end of the first fixed rod (101), and the rotation axis is parallel to the axis of the winding roller (52). In normal state, the first fixed rod (101) is parallel to the second movable rod (102), and the second movable rod (102) is located on the sliding track of the support shaft (521) on the first guide rail (92). The third limit block (103) is fixed on the first fixed rod (101) and is used to limit the second movable rod (102) from rotating downward away from one end of the first fixed rod (101); The take-up roller assemblies (10) are provided with two and are respectively located on both sides of the conveyor belt (22).

8. The molding equipment of composite silicone rubber thermal insulation material according to claim 7, characterized in that: The winding device also includes an unlocking component (11), the unlocking component (11) includes an expanding ring (111) and an unlocking rod (112), the expanding ring (111) is sleeved on the mounting column (51) and is located on the side of the traction ring (94) away from the conveyor belt (22), the expanding ring (111) is fixed to the first clamping block (512) through a connecting rod passing through the first avoidance groove (513), and the expanding ring (111) gradually expands along its axis in a direction away from the conveyor belt (22); the unlocking rod (112) is installed on the top of the first guide rail (92), and when the expanding ring (111) rises to a certain height, the unlocking rod (112) can abut against the outer wall of the expanding ring (111); A plurality of the first avoidance grooves (513) are provided, and a plurality of the first avoidance grooves (513) are evenly provided along the axial direction of the traction ring (94), and one end of each avoidance groove located on the traction ring (94) close to the conveyor belt (22) is a flared end, and the flared ends of two adjacent first avoidance grooves (513) have an overlapping area; When the first locking block (512) is inserted into the first locking groove (522), the unlocking rod (112) abuts against the expanding ring (111). After the first locking block (512) is withdrawn from the first locking groove (522), the second locking block (514) is still in the second locking groove (941). When the unlocking rod (112) continues to abut against the expanding ring (111), the second locking block (514) is withdrawn from the second locking groove (941).

9. The molding equipment of composite silicone rubber thermal insulation material according to claim 8, characterized in that: The winding device also includes a roller assembly (12), the roller assembly (12) including two second guide plates (121), the two second guide plates (121) are respectively arranged on both sides of the conveyor belt (22), each of the second guide plates (121) is provided with a guide groove (1211) for one of the support shafts (521) to slide, the guide groove (1211) includes an inclined section (1212) and a vertical section (1213), the vertical section (1213) is located directly below the mounting column (51), one end of the inclined section (1212) is connected to the vertical section (1213), and the other end is inclined upward toward a side away from the conveyor belt (22); a second avoidance groove (1214) for the mounting column (51) to escape is provided in the area above the vertical section (1213); The roller loading assembly (12) is located on a side of the second transport assembly away from the conveyor belt (22); The support shaft (521) has a rectangular cross section; The first clamping block (512) is provided with a wedge-shaped surface on the upper side thereof for facilitating its insertion into the first clamping groove (522).

10. The molding equipment of composite silicone rubber thermal insulation material according to claim 9, characterized in that: The roller loading assembly (12) further comprises a limiting roller (122) and a fifth driving member (123), wherein the limiting roller (122) is located between the two second guide plates (121) and is arranged parallel to the axis direction of the winding roller (52), and the fifth driving member (123) is installed on the bracket (1) and is used to drive the limiting roller (122) to prevent the winding roller (52) from sliding from the inclined section (1212) into the vertical section (1213).