Wire drawing device for preparing plastic woven bag
By designing a wire drawing device that includes a base plate, back plate, extrusion equipment, guide rollers, positioning mechanism, wire drawing mechanism, and cooling and forming mechanism, the problems of low cooling efficiency and inconvenient disassembly of wire drawing rollers in existing devices have been solved, achieving efficient production of braided yarn and improved quality.
Patent Information
- Application Number
- CN202423295014.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing drawing devices for the production of plastic woven bags have low cooling efficiency and are not convenient for disassembling the drawing rollers and taking out the wound woven yarns.
A wire drawing device was designed, comprising a base plate, a back plate, a wire extrusion device, guide rollers, a positioning mechanism, a wire drawing mechanism, and a cooling and forming mechanism. It utilizes a chiller and a nozzle for efficient cooling and combines them with a hot air blower for drying. The positioning mechanism facilitates the installation and disassembly of the wire drawing rollers.
It enables efficient drawing and cooling of braided yarn, improving production efficiency and product quality, and facilitating the replacement of drawing rollers and the use of braided yarn.
Smart Images

Figure CN223835032U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of plastic woven bag manufacturing technology, and in particular relates to a wire drawing device for manufacturing plastic woven bags. Background Technology
[0002] Polypropylene is a semi-crystalline thermoplastic with high impact resistance, strong mechanical properties, and resistance to various organic solvents and acid and alkali corrosion. It has wide applications in industry and is one of the most common polymer materials. Plastic woven bags are classified into polypropylene bags according to their main material composition. Their main production process is to use plastic raw materials to form woven filaments after extrusion and cooling, and then weave them to obtain the product, which is generally called a woven bag.
[0003] However, existing drawing devices for the production of plastic woven bags often use air cooling to cool the woven yarn, which has low cooling efficiency. In addition, existing drawing devices for the production of plastic woven bags often do not allow for easy disassembly and replacement of the drawing rollers, thus making it inconvenient to take out the wound woven yarn. Utility Model Content
[0004] This invention provides a drawing device for the preparation of plastic woven bags, aiming to solve the problems mentioned in the background art regarding the low cooling efficiency of existing drawing devices for the preparation of plastic woven bags and the inconvenience of handling the wound woven yarn.
[0005] To solve the above problems, this utility model is implemented as follows: a filament drawing device for the preparation of plastic woven bags, comprising: a base plate with a back plate fixedly mounted on the top; a filament extrusion device mounted on the base plate; a guide roller rotatably mounted on the back plate; a positioning mechanism and a filament drawing mechanism mounted on the base plate, wherein the positioning mechanism is used to position the filament drawing mechanism, and the filament drawing mechanism is used to draw the woven filaments; and a cooling and forming mechanism mounted on the base plate, wherein the cooling and forming mechanism is used to cool and form the extruded woven filaments.
[0006] Preferably, the positioning mechanism includes: a base fixedly mounted on the base plate; two limiting grooves formed on the base; a dual-axis motor fixedly mounted on the inner wall of the bottom of the base; two screws respectively fixedly mounted on both ends of the output shaft of the dual-axis motor and rotatably connected to the inner wall of the base; two sliders respectively threaded onto the two screws and slidably connected to the inner walls on both sides of the two limiting grooves; two vertical plates respectively fixedly mounted on the two sliders; a positioning shaft and a rectangular rod respectively rotatably mounted on the two vertical plates; and a plurality of limiting rods fixedly mounted on the inner wall of the base and slidably connected to the two sliders.
[0007] Preferably, the wire drawing mechanism includes: a wire drawing roller located on one side of the two vertical plates close to each other; a positioning hole opened at one end of the wire drawing roller and adapted to the positioning shaft; a rectangular hole opened at one end of the wire drawing roller and adapted to the rectangular rod; a plurality of partitions fixedly sleeved on the wire drawing roller; a drive motor fixedly mounted on the vertical plate and equipped with a drive gear; and a driven gear fixedly sleeved on the rectangular rod and meshing with the drive gear.
[0008] Preferably, the cooling and forming mechanism includes: a chiller fixedly mounted on the base plate; multiple support rods fixedly mounted on the chiller; a single cooling box fixedly mounted on the tops of the multiple support rods; a strip-shaped clearance opening on the cooling box; two circulation pipes mounted on the chiller and connected to the cooling box; two pipe rows fixedly mounted on the inner wall of the cooling box and equipped with multiple nozzles; a water pump mounted on one side of the cooling box; a tee pipe mounted at the outlet of the water pump and connected to the two pipe rows respectively; and a drying mechanism mounted on the cooling box.
[0009] Preferably, the drying mechanism includes: a hot air blower fixedly installed on the cooling box; a hot air pipe disposed at the air outlet end of the hot air blower; and a hot air hood disposed at one end of the hot air pipe.
[0010] Preferably, the cooling box has a water inlet, and a sealing cap is installed on the water inlet.
[0011] Preferably, the cooling box is provided with a drain pipe, and the drain pipe is provided with a solenoid valve.
[0012] Compared with related technologies, the drawing device for preparing plastic woven bags provided by this utility model has the following advantages:
[0013] Compared with existing technologies, the filament drawing device for the preparation of plastic woven bags provided in this solution includes a base plate with a backing plate, a filament extrusion device, a guide roller rotatably mounted on the backing plate, a positioning mechanism, a filament drawing mechanism, and a cooling and forming mechanism. The base plate serves as the fundamental support for the entire device, with the backing plate fixedly mounted on it, providing mounting positions for other components. The filament extrusion device is mounted on the base plate for extruding woven filaments. The guide roller is rotatably mounted on the backing plate, guiding and supporting the woven filaments. The positioning mechanism is mounted on the base plate for precise installation and positioning of the filament drawing mechanism, ensuring the stability and accuracy of the filament drawing process, and facilitating the installation and removal of the filament drawing roller for easy access to the woven filaments. The filament drawing mechanism is used to draw the woven filaments extruded from the filament extrusion device to achieve the required fineness and strength. Finally, the cooling and forming mechanism is also mounted on the base plate for cooling and forming the drawn woven filaments, shaping them and preparing them for subsequent processing. This filament drawing device, through the synergistic effect of its components, achieves efficient and stable filament drawing and cooling forming, improving the production efficiency and product quality of plastic woven bags, and has significant beneficial effects. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the main structure of a drawing device for preparing plastic woven bags provided by this utility model;
[0015] Figure 2 for Figure 1 A side sectional view of the wire drawing mechanism and the positioning mechanism;
[0016] Figure 3 for Figure 1 A three-dimensional assembly structure diagram of the central hot air duct and hot air shroud;
[0017] Figure 4 for Figure 1 The diagram shows an enlarged view of part A.
[0018] Reference numerals: 1. Base plate; 2. Back plate; 3. Extrusion equipment; 4. Guide roller; 5. Base; 6. Limiting groove; 7. Dual-axis motor; 8. Screw; 9. Slider; 10. Vertical plate; 11. Positioning shaft; 12. Rectangular rod; 13. Drawing roller; 14. Positioning hole; 15. Rectangular hole; 16. Partition plate; 17. Drive motor; 18. Drive gear; 19. Driven gear; 20. Limiting rod; 21. Chiller; 22. Support rod; 23. Cooling box; 24. Strip-shaped clearance opening; 25. Circulation pipe; 26. Pipe row; 27. Nozzle; 28. Water pump; 29. T-pipe; 30. Hot air blower; 31. Hot air pipe; 32. Hot air hood. Detailed Implementation
[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings are used to distinguish different objects, not to describe a particular order; the terms "inner," "outer," "left," and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.
[0020] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0021] This utility model embodiment provides a drawing device for the preparation of plastic woven bags, such as... Figure 1-4 As shown, the filament drawing device for preparing plastic woven bags includes: a base plate 1 with a back plate 2 fixedly mounted on the top; an extrusion device 3 mounted on the base plate 1; a guide roller 4 rotatably mounted on the back plate 2; a positioning mechanism and a filament drawing mechanism mounted on the base plate 1, wherein the positioning mechanism is used to position the filament drawing mechanism, and the filament drawing mechanism is used to draw the woven filaments; and a cooling and forming mechanism mounted on the base plate 1, wherein the cooling and forming mechanism is used to cool and form the extruded woven filaments.
[0022] In this embodiment, the device includes a base plate 1 with a back plate 2, an extrusion device 3, a guide roller 4 rotatably mounted on the back plate 2, a positioning mechanism, a drawing mechanism, and a cooling and forming mechanism. The base plate 1 serves as the foundation support for the entire device, with the back plate 2 fixedly mounted on it, providing mounting positions for other components. The extrusion device 3 is mounted on the base plate 1 and is used to extrude braided yarns. The guide roller 4 is rotatably mounted on the back plate 2, guiding and supporting the braided yarns. The positioning mechanism is mounted on the base plate 1 and is used to precisely position the drawing mechanism, ensuring the stability of the drawing process. The drawing mechanism is designed for high efficiency and accuracy, and facilitates the installation and disassembly of the drawing rollers, as well as the use of woven yarn. The drawing mechanism is used to draw the woven yarn extruded from the extrusion equipment 3 to achieve the required fineness and strength. Finally, the cooling and forming mechanism is also installed on the base plate 1 to cool and form the drawn woven yarn, making it shaped and ready for subsequent processing. Through the synergistic effect of each component, this drawing device achieves efficient and stable drawing and cooling of woven yarn, improving the production efficiency and product quality of plastic woven bags, and has significant beneficial effects.
[0023] In a further preferred embodiment of this utility model, the positioning mechanism includes: a base 5 fixedly installed on the base plate 1; two limiting grooves 6 formed on the base 5; a dual-axis motor 7 fixedly installed on the inner wall of the bottom of the base 5; two screws 8 respectively fixedly installed at both ends of the output shaft of the dual-axis motor 7 and rotatably connected to the inner wall of the base 5; two sliders 9 respectively threaded onto the two screws 8 and slidably connected to the inner walls on both sides of the two limiting grooves 6; two vertical plates 10 respectively fixedly installed on the two sliders 9; a positioning shaft 11 and a rectangular rod 12 respectively rotatably installed on the two vertical plates 10; and a plurality of limiting rods 20 fixedly installed on the inner wall of the base 5 and slidably connected to the two sliders 9.
[0024] In this embodiment, the two screws 8 driven by the dual-axis motor 7 can rotate, which can cause the two sliders 9 and the two vertical plates 10 to move closer or further apart. The two vertical plates 10 can cause the positioning rod 11 and the rectangular rod 12 to move closer or further apart, thereby connecting or separating the positioning rod 11 and the rectangular rod 12 from the wire drawing roller 13, making the installation and disassembly of the wire drawing roller 13 more convenient.
[0025] In a further preferred embodiment of the present invention, the wire drawing mechanism includes: a wire drawing roller 13 located on one side of the two vertical plates 10 that are close to each other; a positioning hole 14 opened at one end of the wire drawing roller 13 and adapted to the positioning shaft 11; a rectangular hole 15 opened at one end of the wire drawing roller 13 and adapted to the rectangular rod 12; a plurality of partitions 16 fixedly sleeved on the wire drawing roller 13; a drive motor 17 fixedly installed on the vertical plate 10 and equipped with a drive gear 18; and a driven gear 19 fixedly sleeved on the rectangular rod 12 and meshing with the drive gear 18.
[0026] In this embodiment, the rectangular rod 12 can be driven to rotate by the drive motor 17, the drive gear 18 and the driven gear 19, and the rectangular rod 12 can drive the drawing roller 13 to rotate, thereby drawing the braided yarn.
[0027] In a further preferred embodiment of this utility model, the cooling and forming mechanism includes: a chiller 21 fixedly installed on the base plate 1; a plurality of support rods 22 fixedly installed on the chiller 21; a common cooling box 23 fixedly installed at the top of the plurality of support rods 22; a strip-shaped clearance opening 24 opened on the cooling box 23; two circulation pipes 25 installed on the chiller 21 and connected to the cooling box 23; two pipe rows 26 fixedly installed on the inner wall of the cooling box 23 and equipped with a plurality of nozzles 27; a water pump 28 installed on one side of the cooling box 23; a three-way pipe 29 installed at the outlet of the water pump 28 and connected to the two pipe rows 26 respectively; and a drying mechanism installed on the cooling box 23.
[0028] In this embodiment, the water in the cooling tank 23 can be cooled by the chiller 21 and the circulation pipe 25. The water in the cooling tank 23 can be pumped out by the water pump 28 and injected into the two pipe rows 26 through the three-way pipe 29. The water can be sprayed onto the braided yarn by multiple nozzles 27, thereby rapidly cooling the braided yarn.
[0029] In a further preferred embodiment of the present invention, the drying mechanism includes: a hot air blower 30 fixedly installed on the cooling box 23; a hot air pipe 31 disposed at the air outlet end of the hot air blower 30; and a hot air hood 32 disposed at one end of the hot air pipe 31.
[0030] In this embodiment, hot air can be blown into the hot air hood 32 by the hot air blower 30 and the hot air pipe 31, and the hot air can be blown onto the cooled braided yarn by the hot air hood 32, thereby drying the braided yarn.
[0031] In a further preferred embodiment of the present invention, the cooling box 23 is provided with a water inlet, and a sealing cap is installed on the water inlet.
[0032] In this embodiment, clean water can be injected into the cooling tank 23 through the water inlet, and the water inlet can be sealed by the sealing cap.
[0033] In a further preferred embodiment of this utility model, a drain pipe is provided on the cooling box 23, and a solenoid valve is provided on the drain pipe.
[0034] In this embodiment, wastewater in the cooling tank 23 can be discharged through a drain pipe and a solenoid valve.
[0035] In summary, compared with related technologies, this device can not only efficiently draw braided yarn, but also has a water-cooling function for the braided yarn, with high cooling efficiency, and facilitates the disassembly and replacement of the drawing roller, making it convenient to take out the wound braided yarn.
[0036] It should be understood, in the several embodiments provided in this application, that the disclosed apparatus may be implemented in other ways.
[0037] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.
Claims
1. A drawing device for preparing plastic woven bags, characterized in that, include: A base plate with a back panel fixedly installed at the top; Fiber extrusion equipment mounted on the base plate; Rotate the guide rollers mounted on the back plate; A positioning mechanism and a wire drawing mechanism are mounted on the base plate. The positioning mechanism is used to position the wire drawing mechanism, and the wire drawing mechanism is used to draw the braided wire. A cooling and forming mechanism is mounted on the base plate, which is used to cool and form the extruded braided yarn.
2. The drawing device for preparing plastic woven bags as described in claim 1, characterized in that, The positioning mechanism includes: A base that is fixedly mounted on the base plate; Two limiting grooves are formed on the base; A dual-axis motor is fixedly installed on the inner wall of the bottom of the base; Two screws are respectively fixedly installed at both ends of the output shaft of the dual-axis motor and rotatably connected to the inner wall of the base; Two sliders are respectively threaded onto the two screws and slidably connected to the inner walls of the two limiting grooves on both sides; Two vertical plates are respectively fixedly installed on the two sliders; Rotate the positioning shaft and rectangular rod mounted on the two vertical plates respectively; Multiple limiting rods are fixedly installed on the inner wall of the base and slidably connected to the two sliders.
3. The drawing device for preparing plastic woven bags as described in claim 2, characterized in that, The wire drawing mechanism includes: A wire drawing roller located on one side of the two vertical plates that are close to each other; A positioning hole is formed at one end of the drawing roller and is adapted to the positioning shaft; A rectangular hole is formed at one end of the drawing roller and is adapted to the rectangular rod; Multiple partitions are fixedly sleeved on the wire drawing roller; A drive motor with a drive gear is fixedly mounted on the vertical plate; A driven gear is fixedly sleeved on the rectangular rod and meshes with the driving gear.
4. The drawing device for preparing plastic woven bags as described in claim 1, characterized in that, The cooling and forming mechanism includes: A chiller fixedly mounted on the base plate; Multiple support rods are fixedly installed on the chiller; A single cooling box is fixedly installed at the top of multiple support rods; A strip-shaped clearance opening is provided on the cooling box; Two circulation pipes installed on the chiller and connected to the cooling tank; Two pipe rows with multiple nozzles are fixedly installed on the inner wall of the cooling box; A water pump is installed on one side of the cooling tank; A tee pipe installed at the outlet of the water pump and connected to each of the two pipe banks; A drying mechanism installed on the cooling box.
5. The drawing device for preparing plastic woven bags as described in claim 4, characterized in that, The drying mechanism includes: A hot air blower fixedly installed on the cooling box; The hot air duct is installed at the air outlet end of the hot air blower; A hot air shroud is installed at one end of the hot air duct.
6. The drawing device for preparing plastic woven bags as described in claim 4, characterized in that, The cooling box is provided with a water inlet, and a sealing cap is installed on the water inlet.
7. The drawing device for preparing plastic woven bags as described in claim 4, characterized in that, The cooling box is equipped with a drain pipe, and a solenoid valve is installed on the drain pipe.