Thrust device of double-screw grouting extruder
By designing the thrust device of the twin-screw grouting extruder, the combination of motor, reducer, small sprocket, large sprocket and tightening wheel is used to solve the problem of insufficient thrust of existing equipment, and efficient cable production is achieved, which significantly improves the production line speed and production capacity.
Patent Information
- Application Number
- CN202421494705.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing cable production equipment is insufficient thrust, resulting in slow production line speed and cannot meet the needs of efficient production.
A thrust device of a twin-screw grouting extruder is designed to drive the small sprocket of the reducer to rotate through the motor, and drive the large sprocket through the chain. The tightening wheel is used to control the elasticity of the chain, and the opposite rotation of the extruded spiral blades is achieved, thereby improving the thrust force and production line speed.
The device greatly improves the driving force, improves the stability of the equipment and discharge volume, significantly improves the output speed of the production line, and improves the production capacity and efficiency.
Smart Images

Figure CN222775060U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cable production, in particular to a thrust device for a twin-screw grouting extruder. Background Art
[0002] Fireproof cables, the most widely used fireproof cables at this stage are mainly UL series flame-retardant cables and flame-retardant low-smoke halogen-free cables. Among the imported products, they mainly come from America and Europe. Since the fireproof cable standards in America and Europe are incompatible with each other, the fireproof ideas are very different. Therefore, Party A and the design institute are in a passive state when choosing products. Each has its own reasons, and the final choice is often based on the actual situation of funds.
[0003] When producing fireproof power cables, etc., a special extruder thrust box is usually required to push the fireproof filling mineral material to coat the cable. However, most of the existing domestic equipment does not have a large thrust box or a small thrust box. Usually, a chain is used to pull the screw directly. This device has low thrust and slow production line speed. Utility Model Content
[0004] The utility model aims to provide a thrust device for a twin-screw grouting extruder to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] The thrust device of a twin-screw grouting extruder comprises a fuselage, a head is arranged on one side of the fuselage, the head is connected to the fuselage, a distribution box is arranged on the other side of the fuselage, a frame is arranged at the bottom of the fuselage and the distribution box, the fuselage and the distribution box are installed on the top of the frame, a motor is arranged inside the frame, a reducer is arranged on the top of the motor, a small sprocket is arranged on the top of the reducer, a large sprocket is arranged on one side of the distribution box, a chain is arranged on the small sprocket and the large sprocket, the small sprocket drives the large sprocket through the chain, and a tensioner is arranged at the middle end of the inner side of the chain.
[0007] In a preferred embodiment of the utility model, a reducer base plate is provided at the inner bottom of the frame, the reducer is installed on the reducer base plate, a first hexagon socket cylindrical screw is provided above the reducer base plate, and the first hexagon socket cylindrical screw includes a spring washer.
[0008] In a preferred embodiment of the utility model, a pressure cover is arranged on the top of the small sprocket, a second hexagon socket cylindrical screw is arranged on the pressure cover, and the second hexagon socket cylindrical screw includes a spring washer.
[0009] In a preferred implementation manner of the present utility model, the motor and the tensioner are installed on the inner side of the frame.
[0010] In a preferred embodiment of the present invention, a feeding port is arranged above the fuselage.
[0011] In a preferred embodiment of the present utility model, two rotating shafts are arranged inside the fuselage, the rotating shafts are connected to one side of the distribution box, and the two rotating shafts rotate in opposite directions.
[0012] In a preferred embodiment of the present utility model, an extrusion spiral blade is arranged on the rotating shaft.
[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.
[0014] Beneficial effect: The device drives the small sprocket on the top of the reducer to rotate through the motor, and slows it down through the reducer, so as to facilitate the adjustment of its rotation speed, and the small sprocket drives the large sprocket through the chain, and controls the tightness of the chain through the tensioner to avoid looseness during use, that is, the large sprocket is driven to rotate by the small sprocket, and passes through the distribution box, thereby driving the two shafts to rotate, and the two shafts rotate in opposite directions, so that the two extrusion spiral leaves rotate in opposite directions, that is, the internal material is transported, that is, the driving force is greatly improved, the equipment stability and the equipment output are improved; and the production line output speed is greatly improved, the production capacity is improved, and the efficiency is improved.
[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0017] Figure 1 It is a schematic diagram of the main structure of the thrust device of the twin-screw grouting extruder;
[0018] Figure 2 This is a schematic diagram of the chain side structure of the thrust device of a twin-screw grouting extruder.
[0019] In the figure: 1. Machine body; 2. Machine head; 3. Distribution box; 4. Frame; 5. Tensioner; 6. Small sprocket; 7. Pressure cover; 8. Large sprocket; 9. Reducer; 10. Reducer bottom plate; 11. First hexagon socket cylindrical screw; 12. Chain; 13. Motor; 14. Second hexagon socket cylindrical screw; 15. Rotating shaft; 16. Extrusion spiral blade; 17. Feeding port. DETAILED DESCRIPTION
[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0021] Please refer to Figure 1-2 The thrust device of the twin-screw grouting extruder of the utility model comprises a fuselage 1, which serves as the main grouting structure of the device. A head 2 is arranged on one side of the fuselage 1, and the head 2 is connected to the fuselage 1, that is, the cable is placed in the head 2, so that the cable is fed through the fuselage 1, and a feeding port 17 is arranged above the fuselage 1, that is, the inside of the fuselage 1 is fed through the feeding port 17, and two rotating shafts 15 are arranged inside the fuselage 1, and the rotating shaft 15 is connected to one side of the distribution box 3, and an extrusion spiral blade 16 is arranged on the rotating shaft 15, that is, the two rotating shafts 15 rotate in opposite directions, so that the two extrusion spiral blades 16 rotate in opposite directions, that is, the internal material is transported, and then transported to the head 2.
[0022] A frame 4 is arranged at the bottom of the fuselage 1 and the distribution box 3. The frame 4 is used as the bottom mounting structure of the device to support and install the overall structure. The fuselage 1 and the distribution box 3 are mounted on the top of the frame 4. A motor 13 is arranged inside the frame 4. A reducer 9 is arranged on the top of the motor 13. A small sprocket 6 is arranged on the top of the reducer 9. That is, the small sprocket 6 on the top of the reducer 9 is driven to rotate by the motor 13, and is decelerated by the reducer 9, so as to facilitate the adjustment of its rotation speed. A reducer bottom plate 1 is arranged at the bottom of the inner side of the frame 4 0, the reducer 9 is installed on the reducer base plate 10, and a first hexagon socket cylindrical screw 11 is arranged above the reducer base plate 10, and the first hexagon socket cylindrical screw 11 includes a spring washer, that is, the reducer 9 is fixed by the first hexagon socket cylindrical screw 11, and the motor 13 is fixedly installed on the inner side of the frame 4, and a pressure cover 7 is arranged on the top of the small sprocket 6, and a second hexagon socket cylindrical screw 14 is arranged on the pressure cover 7, and the second hexagon socket cylindrical screw 14 includes a spring washer, that is, the pressure cover 7 is installed on the top of the small sprocket 6 through the second hexagon socket cylindrical screw 14.
[0023] A distribution box 3 is provided on the other side of the fuselage 1. The distribution box 3 is a connecting drive structure for driving two rotating shafts 15 to rotate in opposite directions. A large sprocket 8 is provided on one side of the distribution box 3. A chain 12 is provided on the small sprocket 6 and the large sprocket 8. The small sprocket 6 drives the large sprocket 8 through the chain 12, that is, the large sprocket 8 is driven to rotate through the small sprocket 6 and passes through the distribution box 3, thereby driving the two rotating shafts 15. A tensioner 5 is provided at the middle end of the inner side of the chain 12, and the tensioner 5 is installed on the inner side of the frame 4, that is, the tightness of the chain 12 is controlled by the tensioner 5 to avoid looseness during use.
[0024] The working principle of the utility model is: when the device is used, the cable is placed in the machine head 2, and the material is added to the inside of the fuselage 1 through the feeding port 17, so that the inside of the fuselage 1 is fed, and the small sprocket 6 on the top of the reducer 9 is driven to rotate by the motor 13, and it is decelerated by the reducer 9, so as to facilitate the adjustment of its rotation speed, and the small sprocket 6 drives the large sprocket 8 through the chain 12, and the tightness of the chain 12 is controlled by the tensioning wheel 5 to avoid looseness during use, that is, the large sprocket 8 is driven to rotate by the small sprocket 6, and passes through the distribution box 3, thereby driving the two rotating shafts 15 to rotate, and the two rotating shafts 15 rotate in opposite directions, so that the two extrusion spiral leaves 16 rotate in opposite directions, that is, the internal material is transported, and then transported to the machine head 2, that is, the cable is coated.
[0025] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. A twin-screw grouting extruder thrust device, comprising a body (1), characterized in that: A head (2) is arranged on one side of the machine body (1), the head (2) being connected to the machine body (1), a distribution box (3) is arranged on the other side of the machine body (1), a frame (4) is arranged at the bottom of the machine body (1) and the distribution box (3), the machine body (1) and the distribution box (3) are mounted on the top of the frame (4), a motor (13) is arranged inside the frame (4), a reducer (9) is arranged on the top of the motor (13), a small sprocket (6) is arranged on the top of the reducer (9), a large sprocket (8) is arranged on one side of the distribution box (3), a chain (12) is arranged on the small sprocket (6) and the large sprocket (8), the small sprocket (6) drives the large sprocket (8) through the chain (12), and a tensioner (5) is arranged at the middle end of the inner side of the chain (12).
2. The twin-screw grouting extruder thrust device according to claim 1, characterized in that: A reducer base plate (10) is arranged at the inner bottom of the frame (4), the reducer (9) is mounted on the reducer base plate (10), a first hexagon socket cylindrical screw (11) is arranged above the reducer base plate (10), and the first hexagon socket cylindrical screw (11) includes a spring washer.
3. The twin-screw grouting extruder thrust device according to claim 1, characterized in that: A pressure cover (7) is arranged on the top of the small sprocket (6), a second hexagon socket cylindrical screw (14) is arranged on the pressure cover (7), and the second hexagon socket cylindrical screw (14) includes a spring washer.
4. The twin-screw grouting extruder thrust device according to claim 1, characterized in that: The motor (13) and the tensioning wheel (5) are installed on the inner side of the frame (4).
5. The twin-screw grouting extruder thrust device according to claim 1, characterized in that: A loading port (17) is provided above the machine body (1).
6. The twin-screw grouting extruder thrust device according to claim 1, characterized in that: Two rotating shafts (15) are arranged inside the body (1), the rotating shafts (15) are connected to one side of the distribution box (3), and the two rotating shafts (15) rotate in opposite directions.
7. The twin-screw grouting extruder thrust device according to claim 6, characterized in that: The rotating shaft (15) is provided with an extrusion spiral blade (16).