A rubber sleeve winding and forming device for air spring processing

Abstract

This invention relates to the technical field of air spring manufacturing, and in particular to a rubber sleeve winding and forming apparatus for air spring processing, comprising a winding roller for winding rubber and a side pressing assembly for laterally rolling the rubber; the side pressing assembly includes a support body and two guide grooves disposed opposite to each other on the support body, the guide grooves being arranged in a ring around the support body, the support body having an arc surface, the arc surface being coaxially arranged with the winding roller, and the guide grooves being composed of an arc groove and a rotary groove; by extruding the rubber wound on the winding roller, the rubber layers can be bonded more tightly, improving the forming strength and quality of the rubber sleeve; by using a rolling and pressing method from the middle of the rubber to both sides, the internal material of the rubber can be easily moved, allowing the rubber layers to bond together while stretched, increasing the bonding area, further improving the connection strength, and facilitating the expulsion of gas between the rubber layers, avoiding affecting subsequent vulcanization processing.

Description

Technical Field

[0001] This invention relates to the technical field of air spring manufacturing, and in particular to a rubber sleeve winding and forming device for air spring processing. Background Technology

[0002] An air spring is a non-metallic elastic element that utilizes the compressibility of compressed air within a sealed air chamber to achieve elastic cushioning. Its working principle is as follows: when an external load is applied to the air spring, the compressed air inside the chamber is further compressed, increasing its pressure and storing energy. When the load is removed or reduced, the compressed air expands, releasing the stored energy and achieving elastic recovery. Compared to traditional metal coil springs, air springs have significant advantages such as non-linear stiffness characteristics, low natural frequency, good vibration isolation, and adjustable height. Therefore, they are widely used in rail transit, commercial vehicle suspensions, and vibration isolation of precision equipment.

[0003] The rubber sleeve, also known as an air bladder or bladder, is the core load-bearing component of an air spring. It is typically composed of an inner layer of airtight rubber, a middle layer of high-strength cord reinforcement, and an outer layer of weather-resistant rubber. The quality of the rubber sleeve directly determines the sealing performance, load-bearing capacity, and fatigue life of the air spring. Currently, in the pre-forming process of rubber sleeves, the commonly used winding method involves directly winding multiple layers of uncured rubber onto a cylindrical roller. This traditional winding method results in poor adhesion and compactness due to the low interlayer compression and the inability of gas to escape effectively. This leads to air bubbles or delamination defects at the interface after curing. Furthermore, the lack of active leveling and compression during the winding process results in poor material flatness, making it prone to wrinkles and edge warping. In addition, uneven stress distribution at different locations on the rubber sleeve can cause residual stress concentration inside the green sleeve, affecting the quality of subsequent curing. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the present invention provides a rubber cylinder winding and forming device for air spring processing, the specific technical solution of which is as follows: The present invention provides a rubber cylinder winding and forming apparatus for processing air springs, comprising a winding roller for winding rubber and a side pressing group for laterally rolling the rubber. The side pressure assembly includes a support body and two guide grooves disposed opposite to each other on the support body. The guide grooves are arranged in a ring around the support body. The support body is provided with an arc surface, which is coaxial with the roller. The guide groove is composed of an arc groove and a rotary groove. The arc groove is located on the arc surface and is along the axis of the roller. The arc groove is inclined. The rotary groove connects the two ends of the arc groove. A plurality of sliding columns are provided in the guide groove, and rolling rollers are provided on the sliding columns.

[0005] Furthermore, the side pressure assembly also includes two side plates arranged on the two side walls of the support body along the axis of the roller. Each side plate is provided with a sliding groove, the shape of which corresponds to the shape of the support body. A plurality of movable rods are arranged between the two sliding grooves. The movable rods move along the track of the sliding grooves. A connecting sleeve is provided on the sliding column, and the connecting sleeve is slidably sleeved on the movable rod. The movable rods are connected by a transmission chain, and the side plate is provided with a drive motor and a sprocket for driving the transmission chain to rotate and transport.

[0006] Furthermore, along the axis of the roller, the sliding column and the rolling roller are located on both sides of the connecting sleeve, and the movement ranges of the rolling rollers on the two guide grooves are staggered.

[0007] Furthermore, the connecting sleeve and the rolling roller are connected by a telescopic rod, the rolling roller is rotatably mounted on the movable end of the telescopic rod, and the two ends of the telescopic rod are connected by a spring.

[0008] Furthermore, the roller includes a plurality of splice body 1 and a plurality of splice body 2 arranged in a ring. The splice body 1 is located between two adjacent splice body 2. The side wall of the splice body 1 is slidably connected to the side wall of the splice body 2, and its sliding direction is perpendicular to the axis of the roller. Along the radial direction of the roller, the side wall of the splice body 1 and the side wall of the splice body 2 are trapezoids with opposite directions. A core column is coaxially arranged in the middle of the roller, and the splice body one is connected to the core column by several parallel telescopic rods two.

[0009] Furthermore, both the interior of the first splicing body and the interior of the second splicing body are provided with cavities, and a number of air holes are provided on the outer wall of the first splicing body and the outer wall of the second splicing body, and the air holes are connected to the cavities.

[0010] Furthermore, a synchronization ring is rotatably mounted on the core column, and the synchronization ring is rotatably connected to each of the two splicing bodies via an inclined synchronization arm.

[0011] Furthermore, both ends of the roller are provided with side plates, and the roller and the side plates are sealed by a sealing ring to form a closed chamber inside the roller. The core column passes through the side plates, and a micro air pump is provided on the core column. The output end of the micro air pump is connected to the closed chamber, and the input end of the micro air pump is provided with a ring pipe. Several air guide pipes are connected to the ring pipe, and the air guide pipes are connected to the corresponding cavities. A second air guide pipe is connected to one of the side plates, and a pressure regulating valve is provided on the second air guide pipe; The pores on the first splice body and the pores on the second splice body are divided into two groups: one group is used to adsorb rubber, and the other group is used to allow external gas to enter the cavity.

[0012] The beneficial effects of this invention are as follows: By extruding the rubber sheet wound on the roller, the rubber layers can be bonded more tightly, improving the strength and quality of the rubber tube. Rolling and pressing from the center of the rubber sheet outwards facilitates the movement of internal materials, allowing the rubber layers to bond while stretched, increasing the bonding area, further enhancing the connection strength, and facilitating the expulsion of gas between the rubber layers to avoid affecting subsequent vulcanization. This method also improves the overall flatness of the rubber tube and the uniformity of internal stress, preventing localized wrinkles and warping. The cyclical movement of several rolling rollers within the side pressure assembly enables comprehensive rolling treatment of the rubber sheet wound on the roller. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of a rubber sleeve winding and forming device for processing air springs; Figure 2 for Figure 1 Schematic diagram of the middle side pressure assembly; Figure 3 for Figure 2 Schematic diagram of the central support structure; Figure 4 for Figure 3 A structural diagram from another perspective; Figure 5 for Figure 2 Schematic diagram of the intermediate rolling roller; Figure 6 for Figure 1 A cross-sectional view of the intermediate winding roll; Figure 7 for Figure 1 A schematic diagram of the middle side plate and its upper structure; Figure label: 1. Roller; 2. Side pressure assembly; 3. Support body; 4. Arc surface; 5. Arc groove; 6. Rotary groove; 7. Sliding column; 8. Rolling roller; 9. Side plate; 10. Sliding groove; 11. Moving rod; 12. Connecting sleeve; 13. Transmission chain; 14. Drive motor; 15. Sprocket; 16. Telescopic rod one; 17. Spring; 18. Splice body one; 19. Splice body two; 20. Air hole; 21. Core column; 22. Telescopic rod two; 23. Synchronizing ring; 24. Synchronizing arm; 25. Side plate; 26. Sealing ring; 27. Micro air pump; 28. Ring pipe; 29. ​​Air guide pipe one; 30. Air guide pipe two; 31. Pressure regulating valve. Detailed Implementation

[0015] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0016] In the description of this invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0017] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. This embodiment is written in a progressive manner.

[0018] like Figures 1 to 7 As shown, an air spring processing rubber cylinder winding and forming apparatus of the present invention includes a winding roller 1 for winding rubber and a side pressing group 2 for laterally rolling the rubber. The side pressure assembly 2 includes a support body 3 and two guide grooves arranged opposite to each other on the support body 3. The guide grooves are arranged in a ring around the support body 3. The support body 3 is provided with an arc surface 4, which is coaxial with the roller 1. The guide groove is composed of an arc groove 5 and a rotary groove 6. The arc groove 5 is located on the arc surface 4 and is along the axis of the roller 1. The arc groove 5 is inclined. The rotary groove 6 connects the two ends of the arc groove 5. Several sliding columns 7 are provided in the guide groove, and rolling rollers 8 are provided on the sliding columns 7.

[0019] In this invention, the side pressure group 2 can roll the rubber sheet wound on the roller 1 to make the rubber sheets stick together. The side pressure group 2 rolls the rubber sheet on the roller 1 laterally so that the rubber sheet extends outward along the axis of the roller 1, thereby pressing and squeezing the rubber sheet. Specifically, the arc surface 4 on the support body 3 faces the outer wall of the roller 1, and the arc surface 4 corresponds to a part of the outer wall of the roller 1. When the rubber sheet moves to this area, several rolling rollers 8 on the arc surface 4 can squeeze the rubber sheet. Other areas on the arc surface 4 are not restricted, as long as they allow the opening of the rotary groove 6.

[0020] The relative arrangement of the two guide grooves on the support body 3 allows the corresponding rolling rollers 8 in each guide groove to move from the middle position of the rubber on the roller 1 along the axis of the roller 1 to both sides of the rubber, thereby realizing the working mode of pressing and squeezing from the middle of the rubber outward.

[0021] In use, the external conveyor transports the rubber sheet towards the winding roller 1. When the end of the rubber sheet is transported between the winding roller 1 and the side pressure group 2, the rotating winding roller 1 and the side pressure group 2 will wind up the rubber sheet, which wraps around the winding roller 1, and the side pressure group 2 will squeeze the rubber sheet. Several rolling rollers 8 on the side pressure group 2 move in corresponding guide grooves through the sliding column 7. Along the circumferential direction of the winding roller 1, the rolling rollers 8 are relatively stationary with respect to the winding roller 1, while along the axial direction of the winding roller 1, the rolling rollers 8 move relative to the winding roller 1. That is, the rolling rollers 8 are in contact with the winding roller 1. When the rubber sheet is squeezed, the rolling roller 8 moves from the middle of the rubber sheet to its side and squeezes the rubber sheet. The rubber sheet is squeezed and stretched, and the tightness of the adhesion between the rubber sheets is improved. At this time, the rolling roller 8 mainly moves in the arc groove 5 through the sliding column 7. When the sliding column 7 moves into the rotary groove 6, the rolling roller 8 separates from the rubber sheet. When the sliding column 7 moves into the arc groove 5 again along the guide groove, the rolling roller 8 squeezes the rubber sheet on the roller 1 again. By utilizing the cyclic movement of several rolling rollers 8 in the guide groove, the full squeezing and pressing processing of the rubber sheet on the roller 1 can be achieved.

[0022] By extruding the rubber sheet wound on the roller 1, the rubber layers can be bonded more tightly, improving the molding strength and quality of the rubber tube. By rolling and pressing the rubber sheet from the middle to both sides, the internal material of the rubber sheet can be moved easily, allowing the rubber layers to bond while stretched, increasing the bonding area, further improving the connection strength, and facilitating the expulsion of gas between the rubber layers, avoiding affecting the subsequent vulcanization process. At the same time, this method can improve the overall flatness of the rubber tube and the uniformity of internal stress, avoiding local wrinkles and warping. By using the cyclical movement of several rolling rollers 8 in the side pressure group 2, the rubber sheet wound on the roller 1 can be fully rolled.

[0023] Furthermore, the side pressure assembly 2 also includes two side plates 9 arranged on the two side walls of the support body 3 along the axis of the roller 1. Each side plate 9 is provided with a sliding groove 10. The shape of the sliding groove 10 corresponds to the shape of the support body 3. Several moving rods 11 are arranged between the two sliding grooves 10. The moving rods 11 move along the trajectory of the sliding groove 10. A connecting sleeve 12 is provided on the sliding column 7. The connecting sleeve 12 is slidably sleeved on the moving rod 11. Several moving rods 11 are connected by a transmission chain 13, and a drive motor 14 and a sprocket 15 are provided on the side plate 9 for driving the transmission chain 13 to rotate and transport.

[0024] The drive motor 14 is fixed relative to the side plate 9, and the drive motor 14 can drive the transmission chain 13 to move through the sprocket 15, thereby driving several moving rods 11 to circulate around the support body 3. The ends of the moving rods 11 slide in the slide groove 10. The moving rods 11 drive several sliding columns 7 and several rolling rollers 8 to move synchronously through the connecting sleeve 12, thereby providing power for the movement of the rolling rollers 8 on the support body 3. At the same time, since the sliding columns 7 slide in the guide groove, the connecting sleeve 12 slides on the moving rods 11.

[0025] Furthermore, along the axial direction of the roller 1, the sliding column 7 and the rolling roller 8 are located on both sides of the connecting sleeve 12, and the movement ranges of the rolling roller 8 on the two guide grooves are staggered.

[0026] When the two rollers 8 in the two guide grooves are at their closest positions, they can only approach each other. In this case, the moving areas of the rollers 8 in the two guide grooves will not partially overlap. At this time, the rollers 8 in the two guide grooves cannot roll the middle position of the rubber, that is, there will be a rolling blind zone in the middle position of the rubber. With the above structure, when the slide column 7 moves in the corresponding guide groove, the rollers 8 on it can extend along the axis of the roller 1 to the range of the other guide groove. The staggered arrangement of the moving areas of the rollers 8 in the two guide grooves can also make the moving area of ​​each roller 8 greater than half of the rubber, that is, the moving area of ​​each roller 8 will cover the middle position of the rubber. The staggered arrangement can prevent the rollers 8 in the two guide grooves from interfering with each other.

[0027] Furthermore, the connecting sleeve 12 is connected to the rolling roller 8 via a telescopic rod 16, the rolling roller 8 is rotatably mounted on the movable end of the telescopic rod 16, and the two ends of the telescopic rod 16 are connected by a spring 17.

[0028] After the rubber sheet is wound around the roller 1 multiple times, the thickness of the rubber sheet gradually increases. At this time, the rubber sheet can push the telescopic rod 16 to contract in the opposite direction through the rolling roller 8, and the spring 17 undergoes elastic deformation. Thus, by using the above structure, the rolling height of the rolling roller 8 can be automatically adjusted.

[0029] Furthermore, the roller 1 includes several splice bodies 18 and several splice bodies 19 arranged in a ring. The splice body 18 is located between two adjacent splice bodies 19. The side wall of the splice body 18 is slidably connected to the side wall of the splice body 19, and its sliding direction is perpendicular to the axis of the roller 1. Along the radial direction of the roller 1, the side wall of the splice body 18 and the side wall of the splice body 19 are trapezoids with opposite directions. A core column 21 is coaxially arranged in the middle of the roller 1, and the splice body 18 and the core column 21 are connected by several parallel telescopic rods 22.

[0030] The length directions of splice body 18 and splice body 2 19 are both parallel to the axis of roller 1. The side walls of splice body 18 and splice body 2 19 are closely attached to each other and can slide relative to each other. By setting the shape of splice body 18 and splice body 2 19, when winding the rubber, several splice body 18 and several splice body 2 19 can form a cylindrical surface. When the rubber tube wound on the roller 1 is removed, several splice body 18 and several splice body 2 19 will converge towards the core column 21, thereby reducing the diameter of roller 1, making it easier to separate roller 1 from rubber tube, and avoiding the friction between the rubber when it is tightly wound on roller 1, which would affect the normal feeding of rubber tube.

[0031] Specifically, such as Figure 6 As shown, when the cross-sectional shape of splice body 2 19 is a trapezoid facing outwards from the roller 1, the cross-sectional shape of splice body 18 is a trapezoid facing inwards from the roller 1. Telescopic rod 22 is connected to splice body 18 and guides splice body 18, so that splice body 18 can only move in the radial direction of core column 21. Splice body 2 19 will be restricted by the two adjacent splice bodies 18 and can only move in the radial direction of core column 21. When adjusting the shape of roller 1, several splice bodies 2 19 are first moved towards core column 21. At this time, splice body 18 will not block splice body 2 19. Splice body 2 19 will drive splice body 18 to move synchronously in the opposite direction, thereby reducing the diameter of roller 1.

[0032] It should be noted that, since only a small change in the diameter of roller 1 is required when disassembling the rubber tube, the overall range of motion of splice body 18 and splice body 2 19 is small.

[0033] Furthermore, cavities are provided inside both the first splice body 18 and the second splice body 19, and several air holes 20 are provided on the outer walls of both the first splice body 18 and the second splice body 19, with the air holes 20 communicating with the cavities.

[0034] When the rubber sheet is wound on the roller 1, the air holes 20 can adsorb the rubber sheet, thus bringing the rubber sheet close to the roller 1. This prevents the rubber sheet on the outer wall of the roller 1 from directly detaching from the roller 1 when the roller 8 separates from the roller 1, ensuring the normal operation of the winding process. At the same time, it saves the tedious operation of fixing the end of the rubber sheet to the roller 1 manually. In addition, by utilizing the air holes 20 on the splice body 18 and splice body 29, the end of the rubber sheet can be initially fixed at any position on the roller 1, improving the convenience of use.

[0035] Furthermore, a synchronization ring 23 is rotatably mounted on the core column 21, and the synchronization ring 23 is rotatably connected to each splice body 19 through an inclined synchronization arm 24.

[0036] By using the aforementioned synchronization ring 23 and several synchronization arms 24, several splicing bodies 19 can move synchronously, thereby improving the smoothness of the deformation of the roller 1, avoiding jamming between splicing body 18 and splicing body 19 when the movements of several splicing bodies 19 are not synchronized, and improving the flatness of the cylindrical surface formed by several splicing bodies 18 and several splicing bodies 19, thus avoiding height differences between splicing bodies 18 and splicing bodies 19.

[0037] Furthermore, both ends of the roller 1 are provided with side plates 25, and the roller 1 and the side plates 25 are sealed by a sealing ring 26, so that a closed chamber is formed inside the roller 1. The core column 21 passes through the side plates 25, and a micro air pump 27 is provided on the core column 21. The output end of the micro air pump 27 is connected to the closed chamber, and the input end of the micro air pump 27 is provided with a ring pipe 28. Several air guide pipes 29 are connected to the ring pipe 28, and the air guide pipes 29 are connected to the corresponding cavities. A second air guide pipe 30 is connected to a side plate 25, and a pressure regulating valve 31 is installed on the second air guide pipe 30. Among them, the pores 20 on splice body 18 and splice body 29 are divided into two groups, one group is used to adsorb rubber, and the other group is used to allow external gas to enter the cavity.

[0038] The sealing of both ends of the roller 1 by the two side discs 25 can form a closed chamber inside the roller 1. When air is supplied into the closed chamber, several splice body 18 and several splice body 29 expand outward. When the air is extracted from the closed chamber, several splice body 18 and several splice body 29 contract inward, thereby realizing the control of the deformation of the roller 1.

[0039] The micro air pump 27 can extract air from the cavity through the ring pipe 28 and the air guide pipe 29. The cavity can adsorb and fix the rubber through some air holes 20. The air extracted by the micro air pump 27 is discharged into the roller 1, thereby creating a high-pressure state inside the roller 1. The high pressure pushes the splice 18 and splice 29 outward, so that several splice 18 and several splice 29 form a cylindrical surface. When the micro air pump 27 moves in the opposite direction and discharges the air in the roller 1 through the air holes 20, the diameter of the roller 1 decreases. The air discharged from the air holes 20 will actively push the rubber tube to separate from the roller 1, thereby facilitating the disassembly of the rubber tube.

[0040] To improve the sealing between splice body 18 and splice body 29, a sealing strip can be installed between them. To ensure constant internal pressure of the roller 1, a continuous air guiding method can be adopted. That is, the air holes 20 that are not in contact with the rubber guide external air into the cavity. Since the air holes 20 allow the gas to flow slowly, a negative pressure state will still be formed in the cavity. The gas continuously entering the cavity will be guided into the roller 1 through the air guide pipe 29 and the ring pipe 28, thereby gradually increasing the gas inside the roller 1. When the air pressure reaches the specified value, the excess air can be discharged through the air guide pipe 30 and the pressure regulating valve 31, thereby forming a dynamic balance of internal air pressure in the roller 1. Even if a small amount of air leaks inside the roller 1, it will not affect the internal pressure state of the roller 1.

[0041] The above are merely preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A rubber cylinder winding and forming device for processing air springs, characterized in that, It includes a winding roller for winding up the rubber sheet and a side pressing assembly for laterally rolling the rubber sheet; The side pressure assembly includes a support body and two guide grooves disposed opposite to each other on the support body. The guide grooves are arranged in a ring around the support body. The support body is provided with an arc surface, which is coaxial with the roller. The guide groove is composed of an arc groove and a rotary groove. The arc groove is located on the arc surface and is along the axis of the roller. The arc groove is inclined. The rotary groove connects the two ends of the arc groove. A plurality of sliding columns are provided in the guide groove, and rolling rollers are provided on the sliding columns; The roller includes several splice bodies 1 and several splice bodies 2 arranged in a ring. The splice body 1 is located between two adjacent splice bodies 2. The side wall of the splice body 1 is slidably connected to the side wall of the splice body 2, and its sliding direction is perpendicular to the axis of the roller. Along the radial direction of the roller, the side wall of the splice body 1 and the side wall of the splice body 2 are trapezoids with opposite directions. A core column is coaxially arranged in the middle of the roller, and the splicing body one is connected to the core column by a number of parallel telescopic rods two. Both the interior of the first splicing body and the interior of the second splicing body are provided with cavities. Several air holes are opened on the outer wall of the first splicing body and the outer wall of the second splicing body, and the air holes are connected to the cavities. A synchronization ring is rotatably mounted on the core column, and the synchronization ring is rotatably connected to each of the splicing bodies II via an inclined synchronization arm. Both ends of the roller are provided with side plates, and the roller and the side plates are sealed by a sealing ring to form a closed chamber inside the roller. The core column passes through the side plates, and a micro air pump is provided on the core column. The output end of the micro air pump is connected to the closed chamber. The input end of the micro air pump is provided with a ring pipe, and several air guide pipes are connected to the ring pipe. The air guide pipes are connected to the corresponding cavities. A second air guide pipe is connected to one of the side plates, and a pressure regulating valve is provided on the second air guide pipe; The pores on the first splice body and the pores on the second splice body are divided into two groups: one group is used to adsorb rubber, and the other group is used to allow external gas to enter the cavity.

2. The rubber bellow winding and forming device for air spring processing according to claim 1, characterized in that, The side pressure assembly also includes two side plates arranged on the two side walls of the support body along the axis of the roller. Each side plate is provided with a sliding groove, the shape of which corresponds to the shape of the support body. A plurality of movable rods are arranged between the two sliding grooves. The movable rods move along the track of the sliding grooves. A connecting sleeve is provided on the sliding column, and the connecting sleeve is slidably sleeved on the movable rod. The movable rods are connected by a transmission chain, and the side plate is provided with a drive motor and a sprocket for driving the transmission chain to rotate and transport.

3. The air spring processing rubber tube winding and forming device according to claim 2, characterized in that, Along the axis of the roller, the sliding column and the rolling roller are located on both sides of the connecting sleeve, and the movement ranges of the rolling rollers on the two guide grooves are staggered.

4. The air spring processing rubber cylinder winding and forming device according to claim 3, characterized in that, The connecting sleeve is connected to the rolling roller via a telescopic rod. The rolling roller is rotatably mounted on the movable end of the telescopic rod, and the two ends of the telescopic rod are connected by a spring.

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