Degradable paper bag production film blowing device

Through the introduction of fast cooling and simplified scroll design in the film blowing device, the problem of long cooling time and adhesion caused by natural cooling, and the complexity of the closure tube installation, improved production efficiency.

CN222407126UActive Publication Date: 2025-01-28JIANGSU SANSHU BIOTECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421226764.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-01-28
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

The existing film blowing device adopts natural cooling after the film is blown. The cooling time is long and the effect is poor, and the tube film is easy to stick to; the installation and disassembly of the film collecting cylinder is complicated, which wastes time and manpower and reduces work efficiency.

Method used

A film blowing device including cooling mechanisms and roll closure mechanisms is designed. Cooling mechanisms can quickly cool down the tube film through the cooling cylinder and thermal conductivity to prevent adhesion; the roll -up mechanism uses the rack and gear structure, with motor -driven friction rollers and changing rollers to simplify the scroll and replacement process.

Benefits of technology

The rapid cooling of the tube film is achieved, the problem of adhesion is avoided, and the installation and disassembly of the closure tube is simplified, which improves production efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222407126U_ABST
    Figure CN222407126U_ABST
Patent Text Reader

Abstract

The utility model discloses a degradable paper bag production film blowing device which comprises a bottom plate, a frame is arranged on the bottom plate, a feeding groove is formed in the top of the frame, a feeding mechanism is arranged on one side of the frame, a film blowing machine body is arranged at the bottom of the feeding groove, and a cooling mechanism is arranged on the frame. A mold collecting mechanism is arranged on the side, away from the feeding mechanism, of the frame. According to the degradable paper bag production film blowing device, degradable paper bag production raw materials can be conveniently fed through the feeding mechanism, the film blowing machine body can be conveniently used for film blowing, a pipe film can be cooled through the cooling mechanism, adhesion of the pipe film is prevented, the pipe film is wound through the winding mechanism, and the production efficiency of the degradable paper bag is improved. The winding assembly is convenient to disassemble and replace, and the production efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of degradable paper bag production, in particular to a film blowing device for producing degradable paper bags. Background Art

[0002] Film blowing is a plastic processing method, which refers to a plastic processing technology that heats and melts plastic particles and then blows them into a film. It usually uses polymer extrusion to form a tubular film blank, and blows the tube film to the required thickness through high-pressure air under a good melt flow state, and becomes a film after cooling and shaping. In existing film blowing devices, natural cooling is often used to cool the tube film after film blowing. Natural cooling requires a long cooling time and has a poor cooling effect. The tube film is prone to adhesion after winding. In addition, a film collection cylinder is generally installed on a guide roller to drive the film collection cylinder to collect the film. However, the film collection cylinder is relatively complicated to install and disassemble, which wastes a lot of time and manpower and reduces work efficiency. Utility Model Content

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a film blowing device for producing degradable paper bags, which aims to solve the problems in the existing film blowing device. After film blowing, natural cooling is often used to cool the tube film, which requires a long cooling time and has a poor cooling effect. The tube film is prone to adhesion after being rolled up. In addition, a film collecting cylinder is generally installed on a guide roller to drive the film collecting cylinder to collect the film. However, the film collecting cylinder is relatively complicated to install and disassemble, which wastes a lot of time and manpower and reduces work efficiency.

[0004] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is:

[0005] A film blowing device for producing degradable paper bags, comprising a bottom plate, a frame is arranged on the bottom plate, a feed trough is arranged on the top of the frame, a loading mechanism is arranged on one side of the frame, a film blowing machine body is arranged at the bottom of the feed trough, a cooling mechanism is arranged on the frame, and a film collecting mechanism is arranged on the side of the frame away from the loading mechanism;

[0006] The cooling mechanism includes a cooling cylinder fixedly arranged between the frames, a cooling groove is spirally opened on the outer side of the cooling cylinder, a water inlet and a water outlet are opened on the cooling cylinder, the water inlet and the water outlet are respectively connected to the two ends of the cooling groove, a heat-conducting cylinder is fixedly arranged on the outer side of the cooling cylinder, and a roller sleeve is rotatably connected to the outer side of the heat-conducting cylinder.

[0007] Furthermore, the film collecting mechanism includes two side plates symmetrically arranged on the bottom plate, the top of the side plates are inclined, a rack is provided on the top of the side plates, a winding assembly is provided above the rack, a friction roller is rotatably connected between the two side plates, a first motor is installed on one of the side plates, the output shaft of the first motor is fixedly connected to one end of the friction roller, and a redirecting roller is rotatably connected between the two side plates.

[0008] Furthermore, the winding assembly includes gears respectively meshed with the two racks, a winding roller is provided between the two gears, and the winding roller is rotationally connected to the gears.

[0009] Furthermore, the feeding mechanism includes an auger tube fixedly arranged on the bottom plate, an auger is arranged inside the auger tube, a feeding port is arranged at the bottom of the outer side surface of the auger tube, a second motor is installed on the top of the auger tube, the output shaft of the second motor is fixedly connected to one end of the auger, and a feeding pipe is arranged at the top of the outer side surface of the auger tube.

[0010] Furthermore, the feed pipe extends into the feed trough.

[0011] The beneficial effects of the utility model are:

[0012] The utility model discloses a film blowing device for producing degradable paper bags. The feeding mechanism is provided to facilitate the feeding of raw materials for producing degradable paper bags. The film blowing machine body is used for film blowing. The cooling mechanism is provided to cool the tube film to prevent the tube film from sticking. The tube film is rolled up by the winding mechanism, which facilitates the disassembly and replacement of the winding assembly and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the cooling mechanism structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the cooling cylinder structure of the utility model.

[0017] Reference table of reference numerals:

[0018] 1. Bottom plate; 2. Frame; 3. Feed trough; 4. Film blowing machine body; 5. Cooling cylinder; 6. Cooling trough; 7. Water inlet; 8. Water outlet; 9. Heat transfer cylinder; 10. Roller sleeve; 11. Side plate; 12. Rack; 13. Friction roller; 14. First motor; 15. Redirecting roller; 16. Gear; 17. Winding roller; 18. Auger pipe; 19. Auger; 20. Feeding port; 21. Second motor; 22. Feed pipe. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.

[0020] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0021] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0022] like Figures 1 to 4 As shown, a film blowing device for producing biodegradable paper bags comprises a base plate 1, a frame 2 is provided on the base plate 1, a feed trough 3 is provided on the top of the frame 2, a loading mechanism is provided on one side of the frame 2, the loading mechanism comprises an auger tube 18 fixedly arranged on the base plate 1, an auger 19 is provided in the auger tube 18, a feeding port 20 is provided at the bottom of the outer side surface of the auger tube 18, a second motor 21 is installed on the top of the auger tube 18, the output shaft of the second motor 21 is fixedly connected to one end of the auger 19, a feed pipe 22 is provided on the top of the outer side surface of the auger tube 18, and the feed pipe 22 extends into the feed trough 3.

[0023] Through the provided feeding mechanism, the raw materials for producing degradable paper bags are put into the feeding port 20 , and the second motor 21 drives the auger 19 to rotate, and the auger 19 transports the raw materials for producing degradable paper bags to the feeding pipe 22 , and then the raw materials enter the feeding trough 3 through the feeding pipe 22 .

[0024] A film blowing machine body 4 is provided at the bottom of the feed trough 3, and the film blowing machine body 4 melts the raw materials for producing the degradable paper bag and blows the film.

[0025] A cooling mechanism is provided on the frame 2, and the cooling mechanism includes a cooling cylinder 5 fixedly arranged between the frames 2, a cooling groove 6 is spirally opened on the outer side of the cooling cylinder, a water inlet 7 and a water outlet 8 are opened on the cooling cylinder 5, and the water inlet 7 and the water outlet 8 are respectively connected to the two ends of the cooling groove 6, a heat conducting cylinder 9 is fixedly provided on the outer side of the cooling cylinder 5, and a roller sleeve 10 is rotatably connected to the outer side of the heat conducting cylinder 9.

[0026] The tube film blown out by the film blowing machine body 4 bypasses the roller sleeve 10, and the water inlet 7 is connected to cooling water. The cooling water cools the tube film through the heat-conducting cylinder 9 and the roller sleeve 10, and the roller sleeve 10 guides the tube film.

[0027] A mold collecting mechanism is provided on the side of the frame 2 away from the feeding mechanism. The film collecting mechanism includes two side plates 11 symmetrically arranged on the bottom plate 1. The top of the side plate 11 is inclined, and a rack 12 is provided on the top of the side plate 11. A friction roller 13 is rotatably connected between the two side plates 11. A first motor 14 is installed on one of the side plates 11, and the output shaft of the first motor 14 is fixedly connected to one end of the friction roller 13. A redirecting roller 15 is rotatably connected between the two side plates 11. A winding assembly is provided above the rack 12. The winding assembly includes two gears 16 respectively meshed with the two racks 12. A winding roller 17 is provided between the two gears 16, and the winding roller 17 is rotatably connected to the gear 16.

[0028] The cooled tubular film passes under the redirecting roller 15, then passes around the friction roller 13, and is wound around the winding roller 17. Due to the effect of gravity, the winding roller 17 contacts the friction roller 13, and the first motor 14 drives the friction roller 13 to rotate. The friction roller 13 rubs the tubular film, causing the winding roller 17 to rotate and the tubular film is wound. After the winding is completed, the winding assembly can be directly removed and replaced with another winding assembly, which is convenient for disassembly and assembly.

[0029] The above description is only a preferred embodiment of the present utility model patent and is not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the protection scope of the present utility model patent.

Claims

1. A film blowing device for producing degradable paper bags, characterized in that: The invention comprises a bottom plate (1), a frame (2) is arranged on the bottom plate (1), a feeding trough (3) is arranged on the top of the frame (2), a feeding mechanism is arranged on one side of the frame (2), a film blowing machine body (4) is arranged at the bottom of the feeding trough (3), a cooling mechanism is arranged on the frame (2), and a film collecting mechanism is arranged on the side of the frame (2) away from the feeding mechanism; The cooling mechanism comprises a cooling cylinder (5) fixedly arranged between the frames (2), the outer side of the cooling cylinder being spirally provided with a cooling groove (6), the cooling cylinder (5) being provided with a water inlet (7) and a water outlet (8), the water inlet (7) and the water outlet (8) being respectively connected to two ends of the cooling groove (6), the outer side of the cooling cylinder (5) being fixedly provided with a heat-conducting cylinder (9), the outer side of the heat-conducting cylinder (9) being rotatably connected with a roller sleeve (10).

2. A film blowing device for producing a degradable paper bag according to claim 1, characterized in that: The film-receiving mechanism comprises two side plates (11) symmetrically arranged on the bottom plate (1), the top of the side plates (11) being arranged at an angle, a rack (12) being arranged on the top of the side plates (11), a winding assembly being arranged above the rack (12), a friction roller (13) being rotatably connected between the two side plates (11), a first motor (14) being mounted on one of the side plates (11), an output shaft of the first motor (14) being fixedly connected to one end of the friction roller (13), and a redirecting roller (15) being rotatably connected between the two side plates (11).

3. A film blowing device for producing a degradable paper bag according to claim 2, characterized in that: The winding assembly comprises gears (16) respectively meshing with the two racks (12); a winding roller (17) is provided between the two gears (16); and the winding roller (17) is rotatably connected to the gears (16).

4. The film blowing device for producing a degradable paper bag according to claim 1, characterized in that: The feeding mechanism comprises an auger tube (18) fixedly arranged on a bottom plate (1), an auger (19) being arranged inside the auger tube (18), a feeding port (20) being arranged at the bottom of the outer side surface of the auger tube (18), a second motor (21) being installed at the top of the auger tube (18), an output shaft of the second motor (21) being fixedly connected to one end of the auger (19), and a feeding pipe (22) being arranged at the top of the outer side surface of the auger tube (18).

5. A film blowing device for producing a degradable paper bag according to claim 4, characterized in that: The feed pipe (22) extends into the feed trough (3).