Hemp fiber board hot-pressing device for automotive trim
By coordinating the design of the pressing mechanism and the power component, the problem of hydraulic rod damage due to high temperature and difficult maintenance has been solved, achieving the effect of simplifying maintenance and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU ZHONGYING NEW MATERIALS TECHNOLOGY CO LTD
- Filing Date
- 2025-04-09
- Publication Date
- 2026-04-24
AI Technical Summary
In existing technologies, hydraulic rods are directly fixed to hot press plates, which leads to high-temperature damage, difficult maintenance, and high costs.
The design employs a combination of a pressing mechanism and a power component. Through the rotational structure of the U-shaped plate, U-shaped rod, and V-shaped rod, the hydraulic rod provides power, avoiding direct contact with high temperatures and reducing maintenance difficulty and cost.
This effectively avoids damage to hydraulic rods due to high temperatures, simplifies the maintenance process, and reduces maintenance costs.
Smart Images

Figure CN224158569U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hot pressing device technology, and in particular to a hot pressing device for hemp fiberboard used in automotive interiors. Background Technology
[0002] Chinese patent document CN222096449U discloses a hot-pressing device for hemp fiberboard in automotive interior manufacturing. This utility model discloses a hot-pressing device for hemp fiberboard in automotive interior manufacturing, specifically relating to the technical field of hot-pressing devices. It includes a base plate with two first support plates symmetrically distributed around the center line of the base plate's top. A top plate is shared by the two first support plates. A hydraulic rod is located at the center line of the bottom of the top plate, and a hot-pressing plate is located at the bottom of the hydraulic rod. A manufacturing mechanism is located at the bottom of the hot-pressing plate. By incorporating the manufacturing mechanism, this utility model not only performs hot-pressing of hemp fiberboard but also enables rapid removal of the hemp fiberboard, reducing the difficulty of removing the hemp fiberboard from the mold after manufacturing. This facilitates the removal of the manufactured hemp fiberboard from the mold by the operator, thus improving the device's practicality.
[0003] However, the above technical solution still has the following drawbacks when used:
[0004] Because the hydraulic rod is directly fixed to the hot platen, there is a disadvantage that the hydraulic rod may be damaged after a long period of time due to excessive temperature.
[0005] Because the hydraulic rods need to be repaired or replaced when the machine is damaged, there are disadvantages such as inconvenience in repair and high repair costs. Utility Model Content
[0006] The purpose of this invention is to address the shortcomings of existing technologies, such as the hydraulic rod being directly fixed to the hot press plate, which may cause damage to the hydraulic rod due to excessive temperature over a long period of time, and the inconvenience and high cost of repairing or replacing the hydraulic rod when the machine is damaged. Therefore, this invention proposes a hot pressing device for hemp fiberboard used in automotive interiors.
[0007] To achieve the above objectives, the present invention adopts the following technical solution:
[0008] A hot pressing device for hemp fiberboard used in automotive interiors includes a table, a pressure plate, and two double-layer frames. The pressure plate is located above the table, and the two double-layer frames are symmetrically fixed to both sides of the upper end of the table. The hot pressing device also includes two pressing mechanisms, which are respectively installed on the two double-layer frames. The pressing mechanisms are used to press the hemp fiberboard.
[0009] Preferably, the pressing mechanism includes: a U-shaped plate, a U-shaped rod, four U-shaped blocks, two driving rods, two driven rods, a connecting shaft, a V-shaped rod, a U-shaped sleeve, a pressure rod, and a power assembly;
[0010] Four U-shaped blocks are symmetrically and fixedly connected to one side of the double-layer frame in pairs. The two ends of the U-shaped rod are rotatably connected to the inner walls on both sides of the two U-shaped blocks located at the top of the double-layer frame. The U-shaped plate is fixedly connected to the U-shaped rod. One end of the two driven rods is rotatably connected to the inner walls on both sides of the two U-shaped blocks located in the middle of the double-layer frame. The two ends of the two driving rods are rotatably connected to the other ends of the two driven rods and the two sides of the U-shaped rod. The two ends of the connecting shaft are fixedly connected to the two driven rods on their adjacent sides. One end of the V-shaped rod is rotatably sleeved on the connecting shaft. One end of the pressure rod slides vertically through the double-layer frame and is fixedly connected to the pressure plate. The U-shaped sleeve is fixedly sleeved on the pressure rod and located inside the double-layer frame. The other end of the V-shaped rod is rotatably connected to the inner walls on both sides of the U-shaped sleeve.
[0011] Furthermore, by rotating the U-shaped plate and U-shaped rod around the inner walls of the two U-shaped blocks at the top of the double-layer frame, the two active rods are pressed down. The downward pressure of the active rods drives the driven rods to rotate around the inner walls of the two U-shaped blocks at the bottom of the double-layer frame. At the same time, the two ends of the two active rods rotate around the other ends of the two driven rods and the two sides of the U-shaped rod, respectively. This pulls the V-shaped rod through the connecting shaft. The pulling force of the V-shaped rod pulls the U-shaped sleeve and the pressure rod. Meanwhile, the two ends of the V-shaped rod rotate around the inner walls of the connecting shaft and the two sides of the U-shaped sleeve, respectively. This pulling force on the pressure rod moves the pressure plate downward, thus pressing down the hemp fiberboard.
[0012] Preferably, the power assembly includes: a support frame, a hydraulic rod, and a double-ended telescopic rod;
[0013] The support frame is fixedly connected to two double-layer frames. The two ends of the hydraulic rod are fixedly connected to the top of the inner wall of the support frame and one side of the double-headed telescopic rod, respectively. The two ends of the double-headed telescopic rod are rotatably connected to the inner walls of the two U-shaped plates.
[0014] Furthermore, by activating the hydraulic rod, the hydraulic rod extends and propels the double-headed telescopic rod. At the same time, the double-headed telescopic rod extends or retracts, and the two ends of the double-headed telescopic rod rotate around the inner walls of the two sides of the two U-shaped plates, thereby providing power for the rotation of the U-shaped plates and U-shaped rod.
[0015] Preferably, the support frame has two through slots at both ends, and the pressure rod is located in the through slot.
[0016] Furthermore, by positioning the pressure rod within the through groove, the support frame can be prevented from obstructing the pressure rod.
[0017] Preferably, a heating plate is fixedly connected to the bottom end of the pressure plate.
[0018] Furthermore, by activating the heating plate, the hemp fiberboard can be hot-pressed during downward pressure.
[0019] Preferably, a base plate is fixedly connected to the table body.
[0020] Furthermore, the hemp fiberboard is placed on the base plate and hot-pressed, which avoids damage to the table body during hot pressing. Beneficial effects
[0021] 1. By rotating the U-shaped plate and U-shaped rod around the inner walls of the two U-shaped blocks at the top of the double-layer frame, the two active rods are pressed down. The downward pressure of the active rods drives the driven rods to rotate around the inner walls of the two U-shaped blocks at the bottom of the double-layer frame. At the same time, the two ends of the two active rods rotate around the other ends of the two driven rods and the two sides of the U-shaped rod, respectively. This pulls the V-shaped rod through the connecting shaft. The pulling force of the V-shaped rod pulls the U-shaped sleeve and the pressure rod. At the same time, the two ends of the V-shaped rod rotate around the inner walls of the connecting shaft and the two sides of the U-shaped sleeve, respectively. This pulling force on the pressure rod moves the pressure plate downward, thus pressing down the hemp fiberboard.
[0022] 2. By activating the hydraulic rod, the hydraulic rod extends and pushes the double-headed telescopic rod forward. At the same time, the double-headed telescopic rod extends or retracts, and the two ends of the double-headed telescopic rod rotate around the inner walls of the two U-shaped plates, thus providing power for the rotation of the U-shaped plates and U-rods.
[0023] In this invention, the cooperation between the pressing mechanism and the power component can prevent damage to the hydraulic rod due to excessive temperature over a long period of time, facilitate machine maintenance, and effectively reduce maintenance costs. Attached Figure Description
[0024] Figure 1 This is a three-dimensional perspective view of the present invention;
[0025] Figure 2 This is a schematic diagram of the pressing mechanism of this utility model;
[0026] Figure 3 This is a partial schematic diagram of the pressing mechanism of this utility model;
[0027] Figure 4 This is a schematic diagram of the power component of this utility model.
[0028] In the diagram: 1. Table body; 2. Pressure plate; 3. Double-layer frame; 4. Base plate; 5. Heating plate; 6. Through groove; 7. Support frame; 8. Hydraulic rod; 9. Double-headed telescopic rod; 10. U-shaped plate; 11. U-shaped rod; 12. U-shaped block; 13. Driving rod; 14. Driven rod; 15. Connecting shaft; 16. V-shaped rod; 17. U-shaped sleeve; 18. Pressure rod. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0030] Reference Figures 1-4 A hot pressing device for hemp fiberboard used in automotive interiors includes a table 1, a pressure plate 2, and two double-layer frames 3. The pressure plate 2 is located above the table 1, and the two double-layer frames 3 are symmetrically fixed to both sides of the upper end of the table 1. The hot pressing device also includes two pressing mechanisms, which are respectively set on the two double-layer frames 3. The pressing mechanisms are used to press the hemp fiberboard.
[0031] In this utility model, the pressing mechanism includes: a U-shaped plate 10, a U-shaped rod 11, four U-shaped blocks 12, two driving rods 13, two driven rods 14, a connecting shaft 15, a V-shaped rod 16, a U-shaped sleeve 17, a pressing rod 18, and a power assembly.
[0032] like Figure 2 and Figure 3As shown, four U-shaped blocks 12 are symmetrically fixedly connected in pairs to one side of the double-layer frame 3. The two ends of the U-shaped rod 11 are rotatably connected to the inner walls on both sides of the two U-shaped blocks 12 located at the upper end of the double-layer frame 3. The U-shaped plate 10 is fixedly connected to the U-shaped rod 11. One end of the two driven rods 14 is rotatably connected to the inner walls on both sides of the two U-shaped blocks 12 located in the middle of the double-layer frame 3. The two ends of the two driving rods 13 are rotatably connected to the other ends of the two driven rods 14 and the two sides of the U-shaped rod 11. The two ends of the connecting shaft 15 are fixedly connected to the two driven rods 14 on the side that are close to each other. One end of the V-shaped rod 16 is rotatably sleeved on the connecting shaft 15. One end of the pressure rod 18 slides vertically through the double-layer frame 3 and is fixedly connected to the pressure plate 2. The U-shaped sleeve 17 is fixedly sleeved on the pressure rod 18 and located inside the double-layer frame 3. The other end of the V-shaped rod 16 is rotatably connected to the... The U-shaped sleeve 17 is attached to the inner walls on both sides. The U-shaped plate 10 and U-shaped rod 11 rotate around the inner walls on both sides of the two U-shaped blocks 12 at the upper end of the double-layer frame 3, thereby pressing down on the two active rods 13. The downward pressure of the active rods 13 drives the driven rods 14 to rotate around the inner walls on both sides of the two U-shaped blocks 12 at the lower end of the double-layer frame 3. At the same time, the two ends of the two active rods 13 rotate around the other end of the two driven rods 14 and the two sides of the U-shaped rod 11, respectively. The connecting shaft 15 pulls the V-shaped rod 16. The pulling force of the V-shaped rod 16 pulls the U-shaped sleeve 17 and the pressure rod 18. At the same time, the two ends of the V-shaped rod 16 rotate around the connecting shaft 15 and the inner walls on both sides of the U-shaped sleeve 17, respectively. The pulling force on the pressure rod 18 causes the pressure plate 2 to move downward, thereby pressing down on the hemp fiberboard.
[0033] In this utility model, the power assembly includes: a support frame 7, a hydraulic rod 8, and a double-headed telescopic rod 9;
[0034] like Figure 3 and Figure 4 As shown, the support frame 7 is fixedly connected to two double-layer frames 3. The two ends of the hydraulic rod 8 are fixedly connected to the top of the inner wall of the support frame 7 and one side of the double-headed telescopic rod 9, respectively. The two ends of the double-headed telescopic rod 9 are rotatably connected to the inner walls of the two U-shaped plates 10. By activating the hydraulic rod 8, the hydraulic rod 8 extends and pushes the double-headed telescopic rod 9 forward. At the same time, the double-headed telescopic rod 9 extends or retracts. The two ends of the double-headed telescopic rod 9 rotate around the inner walls of the two U-shaped plates 10, thereby providing power for the rotation of the U-shaped plates 10 and the U-shaped rod 11.
[0035] like Figure 1 As shown, the support frame 7 has two through slots 6 at both ends, and the pressure rod 18 is located in the through slot 6. By the pressure rod 18 being located in the through slot 6, the support frame 7 can avoid obstructing the pressure rod 18.
[0036] like Figure 2As shown, a heating plate 5 is fixedly connected to the bottom end of the pressure plate 2. By activating the heating plate 5, the hemp fiberboard can be hot-pressed when pressed down.
[0037] like Figure 1 As shown, a base plate 4 is fixedly connected to the table body 1. The hemp fiberboard is placed on the base plate 4 and hot-pressed to avoid damage to the table body 1 during hot pressing.
[0038] It should be noted that the specific model of heating plate 5 and hydraulic rod 8 used can be selected by those skilled in the art, and the heating plate 5 and hydraulic rod 8 mentioned above are all existing technologies, which will not be elaborated on in this solution.
[0039] The working principle of this utility model:
[0040] First, place the hemp fiberboard on the base plate 4, and simultaneously activate the heating plate 5. Then, activate the hydraulic rod 8, which extends and pushes the double-headed telescopic rod 9 forward. Simultaneously, the double-headed telescopic rod 9 extends or retracts, with both ends rotating around the inner walls of the two U-shaped plates 10. This allows the U-shaped plates 10 and U-shaped rods 11 to rotate around the inner walls of the two U-shaped blocks 12 at the upper end of the double-layer frame 3, thereby pressing down on the two active rods 13. The downward pressure of the active rods 13 then drives the driven rods 14 around the inner walls of the two U-shaped blocks 12 at the lower end of the double-layer frame 3. The inner walls on both sides of the U-shaped block 12 rotate around the center, while the two ends of the two active rods 13 rotate around the other ends of the two driven rods 14 and the two sides of the U-shaped rod 11, respectively. This allows the connecting shaft 15 to pull the V-shaped rod 16, thereby using the pulling force of the V-shaped rod 16 to pull the U-shaped sleeve 17 and the pressure rod 18. At the same time, the two ends of the V-shaped rod 16 rotate around the inner walls on both sides of the connecting shaft 15 and the U-shaped sleeve 17, respectively. This allows the pressure plate 2 to move downwards using the pulling force on the pressure rod 18, thus enabling the hot pressing operation on the hemp fiberboard.
[0041] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A hot pressing device for hemp fiberboard used in automotive interiors, comprising a table (1), a pressure plate (2), and two double-layer frames (3), wherein the pressure plate (2) is located above the table (1), and the two double-layer frames (3) are symmetrically fixedly connected to both sides of the upper end of the table (1), characterized in that, The hot pressing device also includes two pressing mechanisms, which are respectively set on two double-layer frames (3). The pressing mechanisms are used to press the hemp fiberboard.
2. The hot pressing device for hemp fiberboard for automotive interiors according to claim 1, characterized in that, The pressing mechanism includes: a U-shaped plate (10), a U-shaped rod (11), four U-shaped blocks (12), two driving rods (13), two driven rods (14), a connecting shaft (15), a V-shaped rod (16), a U-shaped sleeve (17), a pressure rod (18), and a power assembly; Four U-shaped blocks (12) are symmetrically fixedly connected to one side of the double-layer frame (3) in pairs. The two ends of the U-shaped rod (11) are respectively rotatably connected to the inner walls on both sides of the two U-shaped blocks (12) located at the upper end of the double-layer frame (3). The U-shaped plate (10) is fixedly connected to the U-shaped rod (11). One end of the two driven rods (14) is respectively rotatably connected to the inner walls on both sides of the two U-shaped blocks (12) located in the middle of the double-layer frame (3). The two ends of the two driving rods (13) are respectively rotatably connected to the two driven rods (14). The other end and both sides of the U-shaped rod (11), the two ends of the connecting shaft (15) are fixedly connected to the two driven rods (14) on the side that are close to each other. One end of the V-shaped rod (16) is rotatably sleeved on the connecting shaft (15). One end of the pressure rod (18) slides vertically through the double-layer frame (3) and is fixedly connected to the pressure plate (2). The U-shaped sleeve (17) is fixedly sleeved on the pressure rod (18) and located inside the double-layer frame (3). The other end of the V-shaped rod (16) is rotatably connected to the inner walls on both sides of the U-shaped sleeve (17).
3. The hot pressing device for hemp fiberboard for automotive interiors according to claim 2, characterized in that, The power assembly includes: a support frame (7), a hydraulic rod (8), and a double-headed telescopic rod (9); The support frame (7) is fixedly connected to two double-layer frames (3). The two ends of the hydraulic rod (8) are fixedly connected to the top of the inner wall of the support frame (7) and one side of the double-headed telescopic rod (9), respectively. The two ends of the double-headed telescopic rod (9) are rotatably connected to the inner walls of the two U-shaped plates (10).
4. The hot pressing device for hemp fiberboard for automotive interiors according to claim 3, characterized in that, The support frame (7) has two through slots (6) at both ends, and the pressure rod (18) is located in the through slot (6).
5. The hot pressing device for hemp fiberboard for automotive interior trim according to claim 2, characterized in that, A heating plate (5) is fixedly connected to the bottom end of the pressure plate (2).
6. The hot pressing device for hemp fiberboard for automotive interior trim according to claim 1, characterized in that, A base plate (4) is fixedly connected to the table body (1).
Citation Information
Patent Citations
Hemp fiber board hot-pressing device for automotive trim production
CN222096449U