Device for preventing rubber coating of roller of double-screw extruder
By designing a combination of a scraper and a travel switch on the twin-screw extruder roller, the equipment can be automatically detected and stopped, solving the problem of roller rubber coating and improving production continuity and efficiency.
Patent Information
- Application Number
- CN202421597653.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-07-08
AI Technical Summary
The rollers of twin-screw extruders are prone to rubber encapsulation during the production of tires and rubber products, which affects production efficiency.
A device is designed to prevent glue lagging on the roller of a twin-screw extruder. The device includes a scraper, a travel switch, a steel plate, a limit block, and a crossbeam. The travel switch detects glue lagging and triggers an emergency stop button, causing the equipment to automatically stop. The device automatically resets after human intervention to prevent glue lagging.
It effectively prevents the extruder roller from encapsulating and improves production continuity and efficiency.
Smart Images

Figure CN223383904U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tire manufacturing, in particular to a device for preventing a roller of a twin-screw extruder from being covered with rubber. Background Art
[0002] Twin-screw extruder is a kind of equipment widely used in industrial production, mainly used for plastic extrusion molding. It melts the plastic particles by heating them, and then extrude and cut them through the twin screws to form products of various shapes. Twin-screw extruder plays a very important role in the production process of tires and rubber products.
[0003] The quality of automobile tires directly determines the safety of drivers and passengers, and tire quality is inextricably linked to the equipment and technology used in their production. In the tire manufacturing industry, rubber lagging on the extruder roller is a major factor restricting production efficiency. This phenomenon is easily caused during the production process, significantly impacting production efficiency. Therefore, we have developed a device to prevent rubber lagging on the rollers of twin-screw extruders, effectively addressing this issue. Utility Model Content
[0004] The purpose of the utility model is to provide a device for preventing the roller of a twin-screw extruder from being encapsulated with rubber, so as to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a device for preventing the twin-screw extruder roller from being encapsulated with glue, comprising a twin-screw extruder roller, a scraper, a travel switch, a steel plate and a limit block, wherein the steel plates are both installed at both ends of the twin-screw extruder roller, and a fixed plate is installed on one side of the steel plate, the scraper is arranged on one side of the twin-screw extruder roller, the limit block is installed on the outer wall of the fixed plate on the side of the scraper, a crossbeam is provided below the scraper, and the travel switch is installed at the center position of the top of the crossbeam.
[0006] Preferably, both ends of the scraper are connected to the fixed plate through bearings, so that the scraper can rotate.
[0007] Preferably, both ends of the scraper are equipped with blocking blocks, and the number of the blocking blocks is two.
[0008] Preferably, the fixed plate is an L-shaped structure.
[0009] Preferably, both ends of the crossbeam are connected to the fixed plate.
[0010] Preferably, a reset button and an emergency stop button are installed on the outer wall of the steel plate to facilitate the control of emergency shutdown and automatic reset.
[0011] Preferably, one end of the reset button and the emergency stop button is connected to an emergency stop pull rope to facilitate control of the reset button and the emergency stop button.
[0012] Preferably, there are two groups of limit blocks, which can limit the scraper blade.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] When the travel switch detects that the twin-screw extruder roller is covered with glue, pulling the emergency stop rope triggers the emergency stop button to stop the equipment. After human intervention, the reset button automatically resets the machine, thereby preventing the occurrence of glue covering the extruder roller and greatly improving production continuity. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.
[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0017] Figure 2 It is a side cross-sectional structural schematic diagram of the utility model;
[0018] Figure 3 For the utility model Figure 2 A in the middle is an enlarged structural diagram;
[0019] Figure 4 This is an enlarged structural diagram of the scraper blade of the present invention;
[0020] Figure 5 This is a side structural schematic diagram of the scraper blade of the present invention.
[0021] In the figure: 1. Twin-screw extruder roller; 2. Glue scraper; 3. Stop block; 4. Bearing; 5. Fixed plate; 6. Emergency stop rope; 7. Crossbeam; 8. Travel switch; 9. Reset button; 10. Emergency stop button; 11. Steel plate; 12. Limit block. DETAILED DESCRIPTION
[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0023] See also Figure 1-5 The utility model provides an embodiment: a device for preventing the twin-screw extruder roller from being encapsulated by glue, comprising a twin-screw extruder roller 1, a scraper 2, a travel switch 8, a steel plate 11 and a limit block 12, wherein the steel plates 11 are mounted at both ends of the twin-screw extruder roller 1, and a fixed plate 5 is mounted on one side of the steel plate 11;
[0024] The scraper 2 is arranged on one side of the twin-screw extruder roller 1, and the limit block 12 is installed on the outer wall of the fixed plate 5 on one side of the scraper 2;
[0025] A crossbeam 7 is provided below the scraper blade 2, and a travel switch 8 is installed at the center position of the top of the crossbeam 7;
[0026] Specifically, when the travel switch 8 detects that the twin-screw extruder roller 1 is covered with glue, the emergency stop rope 6 is pulled to trigger the emergency stop button 10 to stop the equipment. After human intervention, the reset button 9 is automatically reset, thereby preventing the occurrence of glue covering the extruder roller and greatly improving production continuity. This design effectively improves the problem of glue covering the extruder roller.
[0027] Both ends of the scraper blade 2 are connected to the fixed plate 5 through bearings 4;
[0028] The model of bearing 4 is UCFL209;
[0029] There are two blocking blocks 3 installed at both ends of the scraper 2;
[0030] The fixed plate 5 is an L-shaped structure;
[0031] Both ends of the crossbeam 7 are connected to the fixed plate 5;
[0032] A reset button 9 and an emergency stop button 10 are installed on the outer wall of the steel plate 11 to facilitate emergency shutdown and automatic reset of the equipment;
[0033] One end of the reset button 9 and the emergency stop button 10 is connected to the emergency stop rope 6;
[0034] There are two groups of limit blocks 12.
[0035] When the embodiment of the present application is in use: First, the device is mainly composed of a twin-screw extruder roller 1, a scraper 2, a bearing 4, a fixed plate 5, a limit block 12, a travel switch 8, a reset button 9, an emergency stop button 10, and an emergency stop rope 6. Among them, the static structure includes the bearing 4, the fixed plate 5, and the travel switch 8. The overall structure of the anti-blocking glue protection device is composed of the bearing 4, the fixed plate 5, and the travel switch 8. The dynamic working process is: when the travel switch 8 detects that the twin-screw extruder roller 1 is covered with glue, pulling the emergency stop rope 6 triggers the emergency stop button 10 to stop the equipment. After human intervention, it is automatically reset through the reset button 9, thereby preventing the occurrence of glue covering at the extruder roller, greatly improving production continuity, and this design effectively improves the problem of glue covering the extruder roller.
[0036] Obviously, the embodiments described above are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.
Claims
1. A device for preventing the roller of a twin-screw extruder from being encapsulated by glue, characterized in that: The invention comprises a twin-screw extruder roller (1), a scraper (2), a travel switch (8), a steel plate (11) and a limit block (12), wherein the steel plates (11) are both installed at both ends of the twin-screw extruder roller (1), and a fixed plate (5) is installed on one side of the steel plate (11), the scraper (2) is arranged on one side of the twin-screw extruder roller (1), the limit block (12) is installed on the outer wall of the fixed plate (5) on one side of the scraper (2), a crossbeam (7) is arranged below the scraper (2), and the travel switch (8) is installed at the center position of the top end of the crossbeam (7).
2. The device for preventing the roller of a twin-screw extruder from being encapsulated by glue according to claim 1, characterized in that: Both ends of the scraper blade (2) are connected to the fixed plate (5) through bearings (4).
3. The device for preventing the roller of a twin-screw extruder from being encapsulated by glue according to claim 1, wherein: Both ends of the scraper blade (2) are equipped with blocking blocks (3), and the number of the blocking blocks (3) is two.
4. The device for preventing the roller of a twin-screw extruder from being encapsulated by glue according to claim 1, wherein: The fixed plate (5) is an L-shaped structure.
5. The device for preventing the roller of a twin-screw extruder from being encapsulated by glue according to claim 1, wherein: Both ends of the crossbeam (7) are connected to the fixed plate (5).
6. The device for preventing the roller of a twin-screw extruder from being encapsulated by glue according to claim 1, characterized in that: A reset button (9) and an emergency stop button (10) are installed on the outer wall of the steel plate (11).
7. The device for preventing the twin-screw extruder roller from being encapsulated by glue according to claim 6, characterized in that: One end of the reset button (9) and the emergency stop button (10) is connected to an emergency stop pull rope (6).
8. The device for preventing the roller of a twin-screw extruder from being encapsulated by glue according to claim 1, characterized in that: There are two groups of limit blocks (12).