PVC steel wire reinforced hose extrusion pipe diameter adjusting device
By combining the design of limiting blocks, sliding plates, limiting rings and screws, the problem of existing devices being unable to adjust the pipe diameter is solved, enabling the extrusion and cooling of hoses of different diameters and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WEI FANG XIAN DAI SU JIAO YOU XIAN GONG SI
- Filing Date
- 2025-09-01
- Publication Date
- 2026-07-21
AI Technical Summary
Existing PVC steel wire reinforced hose extrusion devices cannot adjust the pipe diameter to different diameters as needed, resulting in a reduction in extrusion range and production efficiency.
The combination design of limiting blocks, sliding plates, limiting rings and screws enables the clamping and adjustment of the extrusion pipe. Combined with the design of cooling grooves and nozzles, it enables the extrusion and cooling of hoses of different diameters.
It improves the extrusion range and production efficiency of the device, can adjust the hose diameter of different diameters as needed, and has an effective cooling function.
Smart Images

Figure CN224527973U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of pipe diameter adjustment, specifically to a PVC steel wire reinforced hose extrusion pipe diameter adjustment device. Background Technology
[0002] PVC steel wire reinforced hose is a composite hose consisting of inner and outer layers of polyvinyl chloride (PVC) wrapped with a high-strength steel wire spiral skeleton. A PVC hose extrusion molding machine is a device used to manufacture PVC hoses. This machine heats PVC granules and extrudes them from the extruder nozzle into the desired hose shape through an extrusion process.
[0003] For example, Chinese utility model patent CN211416189U discloses an extrusion structure for PVC hose production, including an extruder head and a discharge pipe. An installation plate is mounted on the extruder head, and a fixing ring is mounted on the outer wall of the discharge pipe near the extruder head. The fixing ring is fixedly connected to the discharge pipe. A handle screw is mounted on the installation plate in a ring shape. The installation plate has threaded blind holes that match the handle screw, and the handle screw engages with the installation plate via threads. A fixing block is mounted on the handle screw. A fixing notch is provided at the edge of the fixing ring, and the number of fixing notches corresponds to the number of fixing blocks. The fixing blocks are engaged within the fixing notches. An air inlet is provided at the upper part of the discharge pipe, and an air guide ring is installed inside the discharge pipe. An air outlet nozzle is mounted on the inner wall of the air guide ring. In this utility model, the extrusion structure and cooling structure are matched, resulting in more precise cooling.
[0004] However, the existing device described above extrudes the hose through an extrusion head, but it cannot extrude hoses of different diameters as needed. This results in the inability to adjust the diameter of the extruded hose, reducing the extrusion range and production efficiency of the device. Utility Model Content
[0005] To solve the above-mentioned technical problems, this utility model provides a PVC steel wire reinforced hose extrusion diameter adjustment device that facilitates the extrusion of hoses of different diameters as needed, thereby facilitating the adjustment of the diameter of the extruded hose and improving the extrusion range and production efficiency of the device.
[0006] This utility model discloses a PVC steel wire reinforced hose extrusion pipe diameter adjustment device, including an extruder, a support plate fixedly installed at the bottom end of the extruder, and an extrusion pipe fixedly installed at the output end of the extruder through a limiting mechanism; the limiting mechanism includes a fixing ring, which is fixedly installed on the output end of the extruder, and multiple limiting blocks are symmetrically and longitudinally slidably installed inside the fixing ring, with the outer side wall of each limiting block tightly fitted to the outer side wall of the extrusion pipe; a fixing plate is horizontally fixedly installed on the outer side wall of the extruder, and a sliding plate is slidably installed on the sliding groove, with a limiting ring fixedly installed at the bottom end of the sliding plate, the inner side wall of the limiting ring tightly fitted to the outer side wall of each limiting block; a screw is horizontally rotatably installed on the outer side wall of the extruder, and the screw is screwed to the sliding plate; a vertical plate is fixedly installed at one end of the fixing plate, and the vertical plate is rotatably connected to the screw; The top of the support plate is equipped with a cooling mechanism. This PVC steel wire reinforced hose extrusion diameter adjustment device clamps the extruded pipe through multiple limiting blocks, which facilitates the installation and replacement of extruded pipes of different diameters. By rotating the screw, the sliding plate is simultaneously driven to slide inside the groove opened on the fixed plate. As the sliding plate moves, the limiting ring moves simultaneously. The limiting ring contacts the outer wall of the limiting block, thereby limiting and fixing the limiting block. This facilitates the extrusion of hoses of different diameters as needed, thus facilitating the adjustment of the extruded hose diameter and improving the extrusion range and production efficiency of the device.
[0007] Preferably, the cooling mechanism includes a cooling tank, which is fixedly installed on the top of the support plate. Two limiting grooves are symmetrically opened on the top of the cooling tank. The extruded pipe comes into contact with the water inside the cooling tank, thereby cooling the pipe.
[0008] Preferably, two guard plates are symmetrically fixedly installed at the top of each limiting groove, and rollers are rotatably installed between the two guard plates. The pipe contacts the rotating rollers, thereby supporting the pipe.
[0009] Preferably, two baffles are symmetrically fixedly installed on the outer side wall of each roller. By installing the baffles, it is convenient to limit the operation of the pipeline supported by the roller.
[0010] Preferably, a first pipe is fixedly installed at the top of the cooling tank, and multiple nozzles are connected to the bottom of the first pipe. A water supply mechanism is provided at the top of the first pipe. The installation of the first pipe and the nozzles facilitates the spraying and cooling operation of the pipe at the top of the roller.
[0011] Preferably, the water supply mechanism includes a water pump, which is fixedly installed at the top of the first pipe. The output end of the water pump is connected to the top of the first pipe, and the input end of the water pump is connected to the bottom area inside the cooling tank. By installing the water pump, it is convenient to provide water source support for the first pipe and the nozzle.
[0012] Preferably, a limiting post is fixedly installed at one end of each limiting block near the inner sidewall of the fixed ring, and each limiting post is slidably connected to the fixed ring. By installing the limiting post, it is convenient to effectively limit the limiting block during sliding operation.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This PVC steel wire reinforced hose extrusion diameter adjustment device clamps the extruded pipe through multiple limiting blocks, thereby facilitating the installation and replacement of extruded pipes of different diameters. While rotating the screw, the sliding plate is simultaneously driven to slide inside the groove opened on the fixed plate. As the sliding plate moves, the limiting ring moves simultaneously. The limiting ring contacts the outer wall of the limiting block, thereby limiting and fixing the limiting block. This facilitates the extrusion of hoses of different diameters as needed, thus facilitating the adjustment of the extruded hose diameter and improving the extrusion range and production efficiency of the device. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic cross-sectional view of the present invention. Figure 3 This is a schematic diagram of the connection structure of the guard plate and rollers of this utility model; Figure 4 This is a schematic diagram of the connection structure of the limiting block and limiting post of this utility model.
[0015] The following are labels in the attached diagram: 1. Extruder; 2. Support plate; 3. Fixing ring; 4. Extrusion pipe; 5. Limiting block; 6. Vertical plate; 7. Fixing plate; 8. Slide groove; 9. Slide plate; 10. Limiting ring; 11. Screw; 12. Cooling groove; 13. Limiting groove; 14. Guard plate; 15. Roller; 16. Baffle; 17. First pipe; 18. Nozzle; 19. Water pump; 20. Limiting post. Detailed Implementation
[0016] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.
[0017] This utility model discloses a PVC steel wire reinforced hose extrusion pipe diameter adjustment device, including an extruder 1, a support plate 2 fixedly installed at the bottom end of the extruder 1, and an extrusion pipe 4 fixedly installed at the output end of the extruder 1 through a limiting mechanism; the limiting mechanism includes a fixing ring 3, which is fixedly installed on the output end of the extruder 1, and multiple limiting blocks 5 are symmetrically and longitudinally slidably installed inside the fixing ring 3, with the outer side wall of each limiting block 5 tightly fitted to the outer side wall of the extrusion pipe 4; a fixing plate 7 is horizontally fixedly installed on the outer side wall of the extruder 1, with a sliding groove 8 inside the fixing plate 7, and a sliding plate 9 is slidably installed on the sliding groove 8; a limiting ring 10 is fixedly installed at the bottom end of the sliding plate 9, with the inner side wall of the limiting ring 10 tightly fitted to the outer side wall of each limiting block 5; a screw 11 is horizontally rotatably installed on the outer side wall of the extruder 1, and the screw 11 is screwed to the sliding plate 9; a vertical plate 6 is fixedly installed at one end of the fixing plate 7, and the vertical plate 6 is rotatably connected to the screw 11; A cooling mechanism is provided at the top of the support plate 2. The cooling mechanism includes a cooling groove 12, which is fixedly installed at the top of the support plate 2. Two limiting grooves 13 are symmetrically opened at the top of the cooling groove 12. Two guard plates 14 are symmetrically fixedly installed at the top of each limiting groove 13. Rollers 15 are rotatably installed between the two guard plates 14. Two baffles 16 are symmetrically fixedly installed on the outer side wall of each roller 15. A first pipe 17 is fixedly installed at the top of the cooling groove 12. Multiple nozzles 18 are connected to the bottom end of the first pipe 17. A water supply mechanism is provided at the top of the first pipe 17. The water supply mechanism includes a water pump 19, which is fixedly installed at the top of the first pipe 17. The output end of the water pump 19 is connected to the top of the first pipe 17, and the input end of the water pump 19 is connected to the inner bottom area of the cooling groove 12. A limiting post 20 is fixedly installed at the end of each limiting block 5 near the inner side wall of the fixing ring 3. Each limiting post 20 is slidably connected to the fixing ring 3.
[0018] like Figures 1 to 4 As shown, this utility model discloses a PVC steel wire reinforced hose extrusion pipe diameter adjustment device. During operation, multiple limiting blocks 5 clamp the extruded pipe 4, facilitating the installation and replacement of extruded pipes 4 with different diameters. Simultaneously, rotating the screw 11 drives the sliding plate 9 to slide within the groove 8 on the fixed plate 7. The movement of the sliding plate 9 also drives the limiting ring 10 to move. The limiting ring 10 contacts the outer wall of the limiting block 5, thus limiting and fixing the limiting block 5. The pipe contacts the rotating roller 15, providing support. A water pump 19 provides water to the first pipe 17 and the nozzle 18. The water pump 19 outputs power to spray water from the cooling tank 12 through the first pipe 17 and then through the nozzle 18, cooling the extruded pipe.
[0019] The water pump 19 of this utility model is purchased from the market. Technical personnel in this industry only need to install and operate it according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.
[0020] The extruder in this patent refers to the extruder in publication number CN218053875U.
[0021] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A PVC steel wire reinforced hose extrusion pipe diameter adjustment device, comprising an extruder (1), a support plate (2) fixedly installed at the bottom end of the extruder (1), and an extrusion pipe (4) fixedly installed at the output end of the extruder (1) through a limiting mechanism, characterized in that: The limiting mechanism includes a fixed ring (3), which is fixedly installed on the output end of the extruder (1). Multiple limiting blocks (5) are symmetrically and longitudinally slidably installed inside the fixed ring (3). The outer side wall of each limiting block (5) is tightly fitted with the outer side wall of the extrusion pipe (4). A fixed plate (7) is horizontally fixedly installed on the outer side wall of the extruder (1). A sliding groove (8) is opened inside the fixed plate (7). A sliding plate (9) is slidably installed on the sliding groove (8). A limiting ring (10) is fixedly installed at the bottom end of the sliding plate (9). The inner side wall of the limiting ring (10) is tightly fitted with the outer side wall of each limiting block (5). A screw (11) is horizontally rotatably installed on the outer side wall of the extruder (1). The screw (11) is screwed onto the sliding plate (9). A vertical plate (6) is fixedly installed at one end of the fixed plate (7). The vertical plate (6) is rotatably connected to the screw (11). A cooling mechanism is provided at the top of the support plate (2).
2. The PVC steel wire reinforced hose extrusion diameter adjustment device according to claim 1, characterized in that: The cooling mechanism includes a cooling groove (12), which is fixedly installed on the top of the support plate (2). Two limiting grooves (13) are symmetrically opened on the top of the cooling groove (12).
3. The PVC steel wire reinforced hose extrusion diameter adjustment device according to claim 2, characterized in that: Two guard plates (14) are symmetrically fixedly installed at the top of each of the limiting grooves (13), and rollers (15) are rotatably installed between the two guard plates (14).
4. The PVC steel wire reinforced hose extrusion diameter adjustment device according to claim 3, characterized in that: Two baffles (16) are symmetrically fixed on the outer side wall of each roller (15).
5. The PVC steel wire reinforced hose extrusion diameter adjustment device according to claim 2, characterized in that: The top of the cooling tank (12) is fixedly installed with a first pipe (17), and the bottom of the first pipe (17) is connected to multiple nozzles (18). The top of the first pipe (17) is provided with a water supply mechanism.
6. The PVC steel wire reinforced hose extrusion diameter adjustment device according to claim 5, characterized in that: The water supply mechanism includes a water pump (19), which is fixedly installed at the top of the first pipe (17). The output end of the water pump (19) is connected to the top of the first pipe (17), and the input end of the water pump (19) is connected to the bottom area inside the cooling tank (12).
7. The PVC steel wire reinforced hose extrusion diameter adjustment device according to claim 1, characterized in that: Each of the limiting blocks (5) is fixedly installed with a limiting post (20) at one end near the inner side wall of the fixing ring (3), and each limiting post (20) is slidably connected to the fixing ring (3).