Cold feed extruder
By introducing a dehumidification box and swing fan structure into the cold feed extruder, the problem of rubber water absorption affecting the plasticization effect is solved, effective blow-drying of rubber is achieved, and the quality of finished products and plasticization effect is improved.
Patent Information
- Application Number
- CN202422650995.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-10-31
AI Technical Summary
The rubber absorbs water during the cold feed extrusion process, resulting in a reduction in friction force, affecting the plasticization effect, and the water vapor forms bubbles, affecting the quality of the finished product.
The dehumidification box and swing fan structure are installed in the cold feed extruder. The fan and swing fan work together, and the heating resistor wire are used to achieve blow-drying treatment of the rubber to prevent water on the rubber from affecting the plasticization effect.
Effectively remove moisture from rubber, ensure plasticization effect and finished product quality, prevent water vapor from forming bubbles, and improve the working performance of the extruder.
Smart Images
Figure CN223058333U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rubber production, in particular to a cold feed extruder. Background Art
[0002] Cold feed extruders have been widely used in China's rubber industry. It is a device for extruding rubber semi-finished products and products, especially suitable for rubber compounds that do not require preheating. The cold feed extruder mainly consists of a screw, a barrel, a head, a feeding mechanism, a transmission device, and a temperature control system, etc. The working principle of the cold feed extruder is that through the extrusion, shearing, and stirring actions of the screw, the rubber compound is heated and plasticized, and continuously extruded through the die. During the extrusion process, the rubber compound flows in the thread grooves of the screw and is divided and sheared by the screw, thereby strengthening the kneading, accelerating the flow of the rubber compound, and obtaining a high-quality mixed, kneaded, and plasticized rubber compound. In the cold feed extruder, the screw applies shear force and friction force to the material to achieve plasticization and mixing. However, rubber is a material with certain water absorption. When there is water in the rubber, the water will play a lubricating role, reducing the friction between the rubber and the screw and the barrel, affecting the plasticization effect. And the water turns into water vapor during the extrusion process. If these water vapors cannot be discharged in time, they will form bubbles on the surface of the finished product, affecting the quality of the finished product.
[0003] Therefore, it is necessary to provide a new cold feed extruder to solve the above technical problems. Summary of the Utility Model
[0004] To solve the above technical problems, the utility model provides a cold feed extruder.
[0005] The cold feed extruder provided by the utility model includes: an extruder main body. A dehumidification box is fixedly connected to the top of the feed inlet of the extruder main body. A fixed box is fixedly connected to the front side of the dehumidification box. In the middle on the left side inside the fixed box, a motor is fixedly connected through a fixing plate. A first rotating shaft is fixedly connected to the driving part of the motor. A fan is fixedly connected to the other end of the first rotating shaft. On both sides on the right side inside the fixed box, fixing frames are fixedly connected. A swing fan is rotatably connected between the fixing frames. The coordinated operation of the fan and the swing fan enables the air flow inside the fixed box to fully contact the rubber, dry the rubber, and prevent water on the rubber from affecting the plasticization effect and the quality of the finished product.
[0006] Preferably, a heating resistance wire is fixedly connected to the right side inside the fixed box to assist the dehumidification process and make it easier for water vapor to dissipate through heating.
[0007] Preferably, a main pulley is fixedly connected to the middle of the first rotating shaft. The main pulley is connected to a secondary pulley through a transmission belt. A second rotating shaft is fixedly connected to the middle of the secondary pulley. A first bevel gear is fixedly connected to the other end of the second rotating shaft. A second bevel gear is meshed and connected to the right side of the first bevel gear. A third rotating shaft is fixedly connected to the middle of the second bevel gear. A support column is fixedly connected to the side of the third rotating shaft, realizing the transmission and steering of power.
[0008] Preferably, both the secondary pulley and the second bevel gear are rotatably connected inside the fixed box, enabling the secondary pulley and the second bevel gear to rotate stably inside the fixed box.
[0009] Preferably, a moving plate is fixedly connected to the left side of the swing fan. An activity box is fixedly connected to the middle of the moving plate. A support column is connected in cooperation inside the activity box. When the support column rotates, it drives the activity box to move up and down, ensuring that the swing fan can swing regularly under the drive of the motor, better realizing its function of processing air or materials inside the fixed box.
[0010] Preferably, a dust filter plate is fixedly connected to the left side of the fixed box. A moisture filter plate is fixedly connected to the right side of the dust filter plate through the fixed box. First, dust and moisture are filtered out, ensuring that the air entering the fixed box is relatively clean and dry, which is beneficial for subsequent dehumidification inside the fixed box.
[0011] Preferably, a feed box is fixedly connected to the top of the dehumidification box. After the materials enter from the feed box, they will successively pass through the dehumidification box, the fixed box, etc. for a series of pre-treatments, and finally enter the extruder main body for extrusion operation.
[0012] Compared with the related technology, the cold feed extruder provided by the present utility model has the following beneficial effects:
[0013] The present utility model provides a cold feed extruder. By installing a dehumidification and swing fan structure, the coordinated operation of the fan and the swing fan enables the air flow inside the fixed box to fully contact the rubber. The heating resistance wire heats the circulating air, and the hot air enters the dehumidification box to dry the rubber, preventing water on the rubber from affecting the plasticization effect and the quality of the finished product. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic structural diagram of a preferred embodiment of the cold feed extruder provided by the present utility model;
[0015] Figure 2 is Figure 1 the schematic structural diagram of the dehumidification structure shown;
[0016] Figure 3 is Figure 2 the schematic structural diagram of the dehumidification drive structure shown;
[0017] Figure 4 is Figure 3 a schematic structural diagram of the swing fan drive structure shown in the figure.
[0018] Reference numerals in the figure: 1, main body of the extruder; 2, feed box; 3, dehumidification box; 4, fixed box; 5, dust filter plate; 6, moisture filter plate; 7, motor; 8, fixing plate; 9, heating resistance wire; 10, fixing frame; 11, swing fan; 12, first rotating shaft; 13, fan; 14, main pulley; 15, auxiliary pulley; 16, transmission belt; 17, second rotating shaft; 18, first bevel gear; 19, second bevel gear; 20, moving plate; 21, movable box; 22, third rotating shaft; 23, support column. Specific implementation manners
[0019] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0020] The following describes in detail the specific implementation of the present utility model with reference to specific embodiments.
[0021] Please refer to Figures 1 to 4, a cold feed extruder provided by an embodiment of the present utility model, the cold feed extruder includes: an extruder main body 1, a dehumidification box 3 is fixedly connected to the top of the feed inlet of the extruder main body 1, a fixed box 4 is fixedly connected to the front side of the dehumidification box 3, a motor 7 is fixedly connected to the middle of the left side inside the fixed box 4 through a fixing plate 8, a first rotating shaft 12 is fixedly connected to the driving part of the motor 7, a fan 13 is fixedly connected to the other end of the first rotating shaft 12, fixing frames 10 are fixedly connected to both sides of the right side inside the fixed box 4, a swing fan 11 is rotatably connected between the fixing frames 10, a heating resistance wire 9 is fixedly connected to the right side inside the fixed box 4, a main pulley 14 is fixedly connected to the middle of the first rotating shaft 12, the main pulley 14 is connected to a secondary pulley 15 through a transmission belt 16, a second rotating shaft 17 is fixedly connected to the middle of the secondary pulley 15, a first bevel gear 18 is fixedly connected to the other end of the second rotating shaft 17, a second bevel gear 19 is meshed and connected to the right side of the first bevel gear 18, a third rotating shaft 22 is fixedly connected to the middle of the second bevel gear 19, a support column 23 is fixedly connected to the side of the third rotating shaft 22, both the secondary pulley 15 and the second bevel gear 19 are rotatably connected inside the fixed box 4, a moving plate 20 is fixedly connected to the left side of the swing fan 11, a movable box 21 is fixedly connected to the middle of the moving plate 20, a support column 23 is cooperatively connected inside the movable box 21, when the support column 23 rotates, it drives the movable box 21 to move up and down, a dust filter plate 5 is fixedly connected to the left side of the fixed box 4, a moisture filter plate 6 is fixedly connected to the right side of the dust filter plate 5 through the fixed box 4, the material first enters the system from the feed box 2 and enters the dehumidification box 3. In this process, the motor 7 is started through the background to drive the first rotating shaft 12, the first rotating shaft 12 drives the fan 13 to rotate, the dust filter plate 5 and the moisture filter plate 6 on the left side of the fixed box 4 filter the air entering the fixed box 4 to ensure that the entering air is relatively clean and dry. At the same time, the main pulley 14 in the middle of the first rotating shaft 12 drives the secondary pulley 15 to rotate through the transmission belt 16, the secondary pulley 15 drives the second rotating shaft 17 to rotate, the first bevel gear 18 connected to the second rotating shaft 17 meshes with the second bevel gear 19, the second bevel gear 19 drives the third rotating shaft 22, the support column 23 on the third rotating shaft 22 rotates, and the support column 23 cooperates with the movable box 21 in the middle of the moving plate 20 on the left side of the swing fan 11 to make the swing fan 11 generate a swinging action. The cooperative work of the fan 13 and the swing fan 11 enables the air flow in the fixed box 4 to fully contact the rubber. The heating resistance wire 9 heats the circulating air, and the hot air enters the dehumidification box 3 to dry the rubber to prevent water on the rubber from affecting the plasticizing effect and the quality of the finished product.
[0022] In an embodiment of the present utility model, please refer to Figure 1 , a feed box 2 is fixedly connected to the top of the dehumidification box 3. After the material enters from the feed box 2, it will sequentially pass through the dehumidification box 3, the fixed box 4, etc. for a series of pre-treatments, and finally enter the extruder main body 1 for extrusion operation.
[0023] The working principle of the cold feed extruder provided by the present utility model is as follows: Materials first enter the system from the feed box 2 and then enter the dehumidification box 3. In this process, the motor 7 is started through the background to drive the first rotating shaft 12, and the first rotating shaft 12 drives the fan 13 to rotate. The dust filter plate 5 and the moisture filter plate 6 on the left side of the fixed box 4 filter the air entering the fixed box 4 to ensure that the entering air is relatively clean and dry. At the same time, the main pulley 14 in the middle of the first rotating shaft 12 drives the secondary pulley 15 to rotate through the transmission belt 16, and the secondary pulley 15 drives the second rotating shaft 17 to rotate. The first bevel gear 18 connected to the second rotating shaft 17 meshes with the second bevel gear 19, and the second bevel gear 19 drives the third rotating shaft 22 and the support column 23 on the third rotating shaft 22 to rotate. The support column 23 cooperates with the movable box 21 in the middle of the moving plate 20 on the left side of the swing fan 11, causing the swing fan 11 to generate a swinging action. The coordinated operation of the fan 13 and the swing fan 11 enables the air flow in the fixed box 4 to fully contact the rubber. The heating resistance wire 9 heats the circulating air, and the hot air enters the dehumidification box 3 to dry the rubber, preventing water on the rubber from affecting the plasticizing effect and the quality of the finished product.
[0024] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.
Claims
1. A cold feed extruder, characterized in that, Including: An extruder main body (1), a dehumidification box (3) is fixedly connected to the top of the feed inlet of the extruder main body (1), and a fixed box (4) is fixedly connected to the front side of the dehumidification box (3); A fan (13), a motor (7) is fixedly connected to the middle of the left side inside the fixed box (4) through a fixing plate (8), a first rotating shaft (12) is fixedly connected to the driving part of the motor (7), and a fan (13) is fixedly connected to the other end of the first rotating shaft (12); A swing fan (11), fixing frames (10) are fixedly connected to both sides of the right side inside the fixed box (4), and a swing fan (11) is rotatably connected between the fixing frames (10).
2. The cold feed extruder according to claim 1, characterized in that, A heating resistance wire (9) is fixedly connected to the right side inside the fixed box (4).
3. The cold feed extruder according to claim 1, wherein, A main pulley (14) is fixedly connected to the middle of the first rotating shaft (12), the main pulley (14) is connected to a secondary pulley (15) through a transmission belt (16), a second rotating shaft (17) is fixedly connected to the middle of the secondary pulley (15), a first bevel gear (18) is fixedly connected to the other end of the second rotating shaft (17), a second bevel gear (19) is meshed and connected to the right side of the first bevel gear (18), a third rotating shaft (22) is fixedly connected to the middle of the second bevel gear (19), and a support column (23) is fixedly connected to the side of the third rotating shaft (22).
4. The cold feed extruder according to claim 3, characterized in that, Both the secondary pulley (15) and the second bevel gear (19) are rotatably connected inside the fixed box (4).
5. The cold feed extruder according to claim 1, characterized in that, A moving plate (20) is fixedly connected to the left side of the swing fan (11), a movable box (21) is fixedly connected to the middle of the moving plate (20), the movable box (21) is fitted and connected with the support column (23), and the support column (23) drives the movable box (21) to move up and down when rotating.
6. The cold feed extruder according to claim 1, characterized in that, A dust filter plate (5) is fixedly connected to the left side of the fixed box (4), and a moisture filter plate (6) is fixedly connected to the right side of the dust filter plate (5) through the fixed box (4).
7. The cold feed extruder according to claim 1, characterized in that, A feed box (2) is fixedly connected to the top of the dehumidification box (3).