Plastic woven belt stretching device
By using feeding, melting and cutting devices in the plastic woven bag stretching device, the raw materials are mixed, melting and cutting, which solves the problem of difficult to control the stretching coefficient of the woven bag silk under high temperature conditions, and improves the practicality and stability of the device.
Patent Information
- Application Number
- CN202420918151.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-04-29
AI Technical Summary
After the existing plastic woven bag stretching device is extruded and cut, it is still in a high temperature state, resulting in a large change in the stretching coefficient of the woven bag silk at different temperatures and is difficult to control.
The raw materials are mixed by feeding device and then added to the equipment. The raw materials are melted and mixed by using the melting device. The extruded plastic sheet is then cut through the cutting device to obtain thin filaments for subsequent stretching operations.
The practicality of the device is improved, and the control of tension during subsequent stretching by cooling treatment is more stable, reducing the difference in stretching effect caused by changes in the temperature of the plastic strip.
Smart Images

Figure CN222807568U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic woven bag processing, in particular to a plastic woven belt stretching device. Background Art
[0002] Woven bags, also known as snakeskin bags, are a type of plastic bag used for packaging. Their raw materials are generally various chemical plastic raw materials such as polyethylene and polypropylene. Plastic woven bags have been widely used in aquatic product packaging, poultry feed packaging, covering materials for farms, sunshade, windproof, hailproof sheds for crop planting and other materials. Common products: feed woven bags, chemical woven bags, putty powder woven bags, urea woven bags, vegetable mesh bags, fruit mesh bags, etc.
[0003] The Chinese utility model patent with application number CN202321208616.9 in the prior art involves a stretching device for a plastic woven bag wire drawing machine, including a shell, a rotating roller, a fixed plate, a fixed frame, a limiting roller, a hydraulic cylinder and a fixed cylinder, etc., which can adaptively extrude and limit the bag wire to prevent the bag wire from falling off the rotating roller during processing, thereby reducing the workload of the staff.
[0004] However, after the woven bag yarn is extruded and cut, the above device itself is still in a high temperature state, and the tensile coefficient of the woven bag yarn varies greatly at different temperatures, making it difficult to control. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a plastic woven belt stretching device which mixes raw materials through a feeding device and then adds them into the equipment, melts and mixes the raw materials through a melting device, and cuts the extruded plastic sheets through a cutting device to obtain filaments for subsequent stretching operations, thereby improving the practicality of the device.
[0006] The utility model discloses a plastic braided belt stretching device, which comprises a feeding device, a melting device and a cutting device, wherein the melting device is installed on the feeding device, and the cutting device is installed on the feeding device; the raw materials are mixed by the feeding device and then added into the equipment, the raw materials are melted and mixed by the melting device, and the extruded plastic sheets are cut by the cutting device to obtain filaments for subsequent stretching operations, thereby improving the practicability of the device.
[0007] Preferably, the feeding device includes a processing bin, a mixing bin, a reduction motor, a stirring blade and a feeding hopper, a group of mixing bins are respectively installed on the left and middle parts of the upper end surface of the processing bin, a reduction motor and a feeding hopper are installed on the upper end surface of the mixing bin, the output end of the reduction motor passes through the upper end surface of the mixing bin and extends to the interior of the mixing bin, and the stirring blade is installed on the output end of the mixing bin; the feeding hopper is used to facilitate the addition of raw materials, the reduction motor is turned on to mix the raw materials and then input into the melting device, so that the raw materials can obtain a better mixing effect after being heated, thereby improving the practicability and stability of the device.
[0008] Preferably, the melting device includes a driving motor, a melting tube, an auger and an annular heating rod. The driving motor is installed on the left end face of the processing chamber, and the melting tube is horizontally installed in the processing chamber. The output ends of the two groups of mixing chambers are connected to the inside of the melting tube. Multiple groups of annular heating rods are mounted on the melting tube, and an auger is installed in the melting tube. The output end of the driving motor is connected to the auger. Turning on the driving motor transmits power to the auger, driving the auger to rotate and push the raw material to the right. By turning on the annular heating rod, the raw material inside the melting tube is heated, so that the raw materials are fused together, which is convenient for the subsequent extrusion process and improves the practicability of the device.
[0009] Preferably, it also includes a heat exchange tube and a quick connector. The left part of the melting tube is equipped with a heat exchange tube. The input end and the output end of the heat exchange tube extend through the processing chamber to the outer surface of the processing chamber, and quick connectors are installed on the input end and the output end. The left part of the melting tube is cooled by passing an external water source into the heat exchange tube to prevent the left part of the melting tube from transferring a large amount of heat to the left to the driving motor, thereby affecting the normal operation of the driving motor. The quick connector facilitates the rapid connection and removal of the external water source, thereby improving the practicability of the device.
[0010] Preferably, the cutting device includes a guide roller, a cutting roller, a motor and an extrusion head. The guide roller and the cutting roller are installed on the right side of the processing chamber through a bracket, and a motor is installed on the side of the bracket. The output end of the motor is connected to the cutting roller, and the extrusion head is installed on the right end face of the melting tube; the molten material is driven to move to the right by the rotating auger and is extruded by the extrusion head, and the extruded plastic sheet is assisted to be carried and guided and limited by the guide roller. The motor is turned on to transmit power to the cutting roller to drive the cutting roller to rotate, so that the rotating cutting roller cuts the plastic sheet into plastic strips for subsequent stretching operations.
[0011] Preferably, it also includes a protective cover and a fan. A protective cover is installed on the right part of the right side bracket of the processing chamber, a fan is installed on the top of the protective cover, and a filter is provided at the bottom of the fan. The plastic cut into strips is shielded by the protective cover to reduce the pollution of the plastic strips caused by the external environment. The fan is turned on to send external air into the protective cover to cool the plastic strips, so as to facilitate the control of tension in subsequent stretching operations. The filter on the output end of the fan can reduce the dirt in the external environment from entering the protective cover, thereby improving the practicality of the device.
[0012] Preferably, it also includes a nozzle, and a plurality of nozzles are installed in the protective cover; low-temperature water is sprayed out through the plurality of nozzles in the protective cover by an external cold water source, so as to quickly cool the plastic strip, fix the tension required for the subsequent stretching process, reduce the difference in stretching effect caused by the temperature change of the plastic strip, and improve the practicability and stability of the device.
[0013] Compared with the prior art, the utility model has the following beneficial effects: the raw materials are mixed by the feeding device and then added into the equipment, the raw materials are melted and mixed by the melting device, and the extruded plastic sheet is cut by the cutting device to obtain filaments for subsequent stretching operations, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the first cross-sectional structure of the utility model;
[0016] Figure 3 It is a second cross-sectional structural schematic diagram of the utility model;
[0017] Figure 4 It is a partial enlarged structural schematic diagram of the utility model;
[0018] Markings in the attached figure: 1. Processing chamber; 2. Mixing chamber; 3. Speed reduction motor; 4. Stirring blade; 5. Feeding hopper; 6. Driving motor; 7. Melting tube; 8. Auger; 9. Ring heating rod; 10. Heat exchange tube; 11. Quick connector; 12. Guide roller; 13. Cutting roller; 14. Motor; 15. Extrusion head; 16. Protective cover; 17. Fan; 18. Nozzle. DETAILED DESCRIPTION
[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0020] Example
[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 4 The melting device shown is installed on the feeding device, and the cutting device is installed on the right side of the feeding device;
[0022] First, the reduction motor 3 is turned on to mix the raw materials and then input them into the melting device, then the driving motor 6 is turned on to transmit power to the auger 8, driving the auger 8 to rotate so as to push the raw materials to the right, and the raw materials inside the melting tube 7 are heated by turning on the annular heating rod 9, so that the raw materials are fused together, and then the plastic sheet is extruded through the extruder head 15, and then the motor 14 is turned on to transmit power to the cutting roller 13 to drive the cutting roller 13 to rotate, so that the rotating cutting roller 13 cuts the plastic sheet into plastic strips, and then the cut plastic strips are shielded by the protective cover 16 to reduce the pollution of the plastic strips caused by the external environment, and the fan 17 is turned on to send the outside air into the protective cover 16 to cool the plastic strips;
[0023] The feeding device comprises a processing chamber 1, a mixing chamber 2, a reduction motor 3, a stirring blade 4 and a feeding hopper 5. A group of mixing chambers 2 are respectively installed at the left and middle parts of the upper end surface of the processing chamber 1. The reduction motor 3 and the feeding hopper 5 are installed on the upper end surface of the mixing chamber 2. The output end of the reduction motor 3 passes through the upper end surface of the mixing chamber 2 and extends to the inside of the mixing chamber 2. The stirring blade 4 is installed on the output end of the mixing chamber 2.
[0024] The melting device includes a driving motor 6, a melting tube 7, an auger 8 and an annular heating rod 9. The driving motor 6 is installed on the left end surface of the processing chamber 1. The melting tube 7 is horizontally installed in the processing chamber 1. The output ends of the two groups of mixing chambers 2 are connected to the inside of the melting tube 7. Multiple groups of annular heating rods 9 are sleeved on the melting tube 7. The auger 8 is installed in the melting tube 7. The output end of the driving motor 6 is connected to the auger 8.
[0025] It also includes a heat exchange tube 10 and a quick connector 11. The left part of the melting tube 7 is covered with the heat exchange tube 10. The input end and the output end of the heat exchange tube 10 pass through the processing chamber 1 and extend to the outer surface of the processing chamber 1. The input end and the output end are both installed with a quick connector 11.
[0026] The cutting device includes a guide roller 12, a cutting roller 13, a motor 14 and an extrusion head 15. The guide roller 12 and the cutting roller 13 are installed on the right side of the processing chamber 1 through a bracket, and the motor 14 is installed on the side of the bracket. The output end of the motor 14 is connected to the cutting roller 13, and the extrusion head 15 is installed on the right end surface of the melting tube 7;
[0027] It also includes a protective cover 16 and a fan 17. The right part of the right bracket of the processing chamber 1 is equipped with a protective cover 16, the top of the protective cover 16 is equipped with a fan 17, and the lower part of the fan 17 is provided with a filter screen;
[0028] The raw materials are mixed by a feeding device and then added into the equipment, the raw materials are melted and mixed by a melting device, and the extruded plastic sheet is cut by a cutting device to obtain filaments for subsequent stretching operations, thereby improving the practicability of the device.
[0029] The reduction motor 3, drive motor 6, annular heating rod 9, fan 17, motor 14 and quick connector 11 of the plastic woven belt stretching device of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.
[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A plastic braided belt stretching device; characterized in that, The invention comprises a feeding device, a melting device and a cutting device, wherein the melting device is mounted on the feeding device, and the cutting device is mounted on the feeding device; the feeding device comprises a processing chamber (1), a mixing chamber (2), a reduction motor (3), a stirring blade (4) and a feeding hopper (5), wherein a group of mixing chambers (2) are respectively mounted on the left and middle parts of the upper end surface of the processing chamber (1), the reduction motor (3) and the feeding hopper (5) are mounted on the upper end surface of the mixing chamber (2), the output end of the reduction motor (3) passes through the upper end surface of the mixing chamber (2) and extends to the inside of the mixing chamber (2), and the stirring blade (4) is mounted on the output end of the mixing chamber (2); the invention also comprises a protective cover (16) and a fan (17), wherein the right part of the right side bracket of the processing chamber (1) is mounted with the protective cover (16), the top of the protective cover (16) is mounted with the fan (17), and the lower part of the fan (17) is provided with a filter screen; the invention also comprises a nozzle (18), wherein a plurality of nozzles (18) are mounted in the protective cover (16).
2. A plastic braided belt stretching device as claimed in claim 1, characterized in that: The melting device comprises a driving motor (6), a melting tube (7), an auger (8) and an annular heating rod (9); the driving motor (6) is mounted on the left end surface of the processing chamber (1); the melting tube (7) is horizontally mounted in the processing chamber (1); the output ends of the two groups of mixing chambers (2) are connected to the inside of the melting tube (7); a plurality of groups of annular heating rods (9) are sleeved on the melting tube (7); an auger (8) is mounted in the melting tube (7); and the output end of the driving motor (6) is connected to the auger (8).
3. A plastic braided belt stretching device as claimed in claim 2, characterized in that: It also includes a heat exchange tube (10) and a quick connector (11). The left part of the melting tube (7) is sleeved with the heat exchange tube (10). The input end and the output end of the heat exchange tube (10) pass through the processing chamber (1) and extend to the outer surface of the processing chamber (1). The input end and the output end are both installed with quick connectors (11).
4. A plastic braided belt stretching device as claimed in claim 1, characterized in that: The cutting device comprises a guide roller (12), a cutting roller (13), a motor (14) and an extrusion head (15); the guide roller (12) and the cutting roller (13) are installed on the right side of the processing chamber (1) through a bracket; the motor (14) is installed on the side of the bracket; the output end of the motor (14) is connected to the cutting roller (13); and the extrusion head (15) is installed on the right end surface of the melting tube (7).
Citation Information
Patent Citations
Stretching device for plastic woven bag wire drawing machine
CN220034754U