Lignin modified composite plastic film blowing device

Abstract

The utility model belongs to the technical field of plastic film blowing, and particularly relates to a lignin modified composite plastic film blowing device which comprises a device body and a film blowing machine installed on the top face of the device body and further comprises a limiting assembly installed on the outer side of the device body, and the limiting assembly comprises a supporting plate installed on the outer side of the film blowing machine. When the device main body blows out a lignin modified composite material through a film blowing machine, a supporting rod on a supporting plate can support a hydraulic rod I, and meanwhile, a plurality of hydraulic rods pull a positioning ring at the same time and drive a push plate on the bottom surface of the positioning ring, so that the push plate moves on a tripod inclined surface on a bracket; the tripod can drive the positioning frame to move in the sliding groove formed in the top face of the supporting plate and extrude the first spring, so that the positioning frame can drive the multiple sets of frames and the film guide rollers to move, the distance between the film guide rollers is shortened, the size of a lignin modified composite material outlet film is controlled, and the situation that the blown bagged film is expanded is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of plastic film blowing, and in particular relates to a lignin modified composite plastic film blowing device. Background Art

[0002] The film blowing machine is a device that heats and melts plastic particles and then blows them into a film. Usually, the film blown out through the die head and the air ring is a cylindrical film, which is then cooled by a herringbone film guide to obtain the finished film.

[0003] After checking, the disclosure (announcement) number: CN208020721U discloses a plastic film blowing device. This technology discloses "a plastic film blowing device, including a protective cover, a breathable plate is fixedly installed on one side of the protective cover, and a breathable hole is provided on the front of the breathable plate, a front dustproof net is provided at the bottom of the front of the protective cover, and a front heat dissipation fan is rotatably installed inside the front dustproof net, and a front motor is fixedly installed inside the front heat dissipation fan, and the plastic film blowing device is disclosed, which can drive the adjusting screw to rotate by the driving motor, so that the connecting block is displaced along the axial direction of the adjusting screw, and then drive the film guide frame to move through the two fixed rods to adjust the angle between the two film guide frames, so that the film guide frame can adapt to the production needs of plastic packaging bags of different sizes and specifications, saving time and labor and improving production efficiency; when the cylindrical plastic film passes through the folding mechanism, the folding block can press and fold the two sides of the plastic film gradually, and the distance between the two folding blocks can be changed by rotating the adjusting handle, so that the film products of different widths can be produced. Technical effects such as ";

[0004] When the existing lignin modified composite plastic is blown, the bagged lignin modified composite plastic will expand during the film blowing, which makes it inconvenient to limit the lignin modified composite plastic bag. When the film is blown, the plastic film expands and easily causes entanglement.

[0005] In order to solve the above problems, the present application proposes a lignin modified composite plastic film blowing device. Utility Model Content

[0006] In order to solve the problems raised in the above background technology, the utility model provides a lignin modified composite plastic film blowing device, which can limit the blown lignin modified composite plastic when blowing the lignin modified composite plastic film to prevent the plastic bag from expanding, and can also perform timed cutting of the produced lignin modified composite plastic.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lignin modified composite plastic film blowing device, comprising a device body and a film blowing machine installed on the top surface of the device body, and also comprising a limit assembly installed on the outside of the device body;

[0008] The limiting assembly includes a support plate installed on the outside of the film blowing machine, a support rod installed on the outer surface of the support plate, and a hydraulic rod 1 installed on the top surface of the support rod. The protruding end of the hydraulic rod 1 is installed with a positioning ring, and the bottom surface of the positioning ring is installed with a push plate. A tripod is slidably connected in a slide groove opened on the bottom surface of the push plate. A plurality of tripods are each installed with an L-shaped positioning frame on one adjacent side, and the positioning frame is slidably connected in the slide groove opened on the surface of the support plate. A spring 1 is installed at the L-shaped structure of the positioning frame, and one end of the spring 1 is installed in the slide groove opened on the top surface of the support plate.

[0009] As a preferred embodiment of the lignin modified composite plastic film blowing device of the utility model, L-shaped frames are installed on both side surfaces of the positioning frame, and the same film guide roller is rotatably connected to the L-shaped structures of the two frames.

[0010] As a preferred embodiment of the lignin modified composite plastic film blowing device of the utility model, a plurality of groups of film guide rollers are arranged at equal intervals and at staggered heights.

[0011] As a preferred embodiment of the lignin modified composite plastic film blowing device of the utility model, the plurality of frames are all located inside the positioning ring.

[0012] As a preferred embodiment of the utility model, a lignin-modified composite plastic film blowing device also includes a cutting assembly installed on the top surface of the positioning ring, the cutting assembly includes a positioning block symmetrically installed on the top surface of the positioning ring, a hydraulic rod two installed on the adjacent sides of the two positioning blocks, and a moving rod installed on the extended end of the two hydraulic rods, a cutting knife is installed on the surface of the two moving rods close to each other, a sliding block is slidably connected in a sliding groove opened on the bottom surface of the moving rod, the bottom surface of the sliding block is rotatably connected to a limiting wheel, a spring two is installed on one side surface of the sliding block, and one end of the spring two is installed in the sliding groove opened on the bottom surface of the moving rod.

[0013] As a preferred embodiment of the lignin modified composite plastic film blowing device of the utility model, a limiting ring is installed on the top surface of the positioning ring, and the limiting ring is rotatably connected to the plurality of limiting wheels.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. On this basis, a limit assembly is added. When the device body blows out the lignin modified composite material through the film blowing machine, the support rod on the support plate can provide support for the hydraulic rod 1, and the positioning ring can be pulled by multiple hydraulic rods at the same time, so that the positioning ring can be lowered, and the push plate on the bottom of the positioning ring is driven to move on the tripod inclined surface on the bracket, so that the tripod can drive the positioning frame to move in the slide groove opened on the top surface of the support plate, and squeeze the spring 1, so that the positioning frame can drive multiple groups of frames and film guide rollers to move, so that the distance between the film guide rollers is reduced, thereby controlling the size of the lignin modified composite film, and avoiding the expansion of the blown bag film;

[0016] 2. At the same time, a cutting component is added on this basis. The controller on the main body of the device can control the hydraulic rod 2 on the positioning block in a timely manner, and then the hydraulic rod 2 can push the moving rod so that the moving rod can move on the positioning ring. Then the moving rod drives the cutter to cut the lignin-modified composite plastic. The timing control can be carried out to reduce manual participation, support and limit the moving rod, and at the same time, the moving rod drives the cutter to run more smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the limiting component and the cutting component in the utility model;

[0020] Figure 3 It is a structural schematic diagram of the limit assembly in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the cutting component in the utility model.

[0022] In the figure:

[0023] 1. Device body;

[0024] 2. Limiting assembly; 201. Support plate; 202. Support rod; 203. Hydraulic rod 1; 204. Positioning ring; 205. Push plate; 206. Tripod; 207. Positioning frame; 208. Spring 1; 209. Frame; 210. Film guide roller;

[0025] 3. Cutting assembly; 301. Positioning block; 302. Hydraulic rod 2; 303. Moving rod; 304. Limiting wheel; 305. Limiting ring; 306. Spring 2; 307. Sliding block; 308. Cutter;

[0026] 4. Film blowing machine. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example 1

[0029] like Figure 1-Figure 4 As shown;

[0030] A lignin modified composite plastic film blowing device comprises a device body 1 and a film blowing machine 4 installed on the top surface of the device body 1.

[0031] In this embodiment: after checking the disclosure (announcement) number: CN208020721U discloses a plastic film blowing device, and this technology discloses "a plastic film blowing device, including a protective cover, a breathable plate is fixedly installed on one side of the protective cover, and a breathable hole is provided on the front of the breathable plate, a front dustproof net is provided at the bottom of the front of the protective cover, and a front heat dissipation fan is rotatably installed inside the front dustproof net, and a front motor is fixedly installed inside the front heat dissipation fan, and the plastic film blowing device is disclosed, which can drive the adjusting screw to rotate by the driving motor, so that the connecting block is displaced along the axial direction of the adjusting screw, and then drive the film guide frame to move through the two fixed rods to adjust the angle between the two film guide frames, so that the film guide frame can adapt to the production needs of plastic packaging bags of different sizes and specifications, saving time and labor and improving production efficiency; when the cylindrical plastic film passes through the folding mechanism, the folding block can press and fold the two sides of the plastic film gradually, and the distance between the two folding blocks can be changed by rotating the adjusting handle, so that the film products of different widths can be produced. Technical effects such as ";

[0032] When the existing lignin modified composite plastic is blown, the bagged lignin modified composite plastic will expand during the film blowing, which makes it inconvenient to limit the lignin modified composite plastic bag. When the film is blown, the plastic film expands and easily causes entanglement and other problems. Combined with actual use, this problem is obviously a real problem that is difficult to solve. In view of this, in order to solve this technical problem, a limiting component 2 and a cutting component 3 are added to the present application document.

[0033] According to the above content, in order to control the position of the bagged lignin-modified composite plastic blown out by the film blowing machine 4, thereby controlling the size of the lignin-modified composite plastic film, it also includes a position limiting component 2 installed on the outside of the device body 1; the position limiting component 2 includes a support plate 201 installed on the outside of the film blowing machine 4, a support rod 202 installed on the outer surface of the support plate 201, and a hydraulic rod 203 installed on the top surface of the support rod 202, a positioning ring 204 is installed at the protruding end of the hydraulic rod 203, a push plate 205 is installed on the bottom surface of the positioning ring 204, a tripod 206 is slidably connected in the slide groove opened on the bottom surface of the push plate 205, and an L-shaped positioning frame 207 is installed on the adjacent side of the multiple tripods 206, the positioning frame 207 is slidably connected in the slide groove opened on the surface of the support plate 201, and a spring 208 is installed at the L-shaped structure of the positioning frame 207, and one end of the spring 208 is installed in the slide groove opened on the top surface of the support plate 201.

[0034] In this embodiment: when the device body 1 blows out the lignin modified composite material through the film blowing machine 4, the support rod 202 on the support plate 201 can provide support for the hydraulic rod 203, and at the same time, the positioning ring 204 is pulled by multiple hydraulic rods at the same time, so that the positioning ring 204 can descend, and drive the push plate 205 on the bottom of the positioning ring 204, so that the push plate 205 moves on the inclined surface of the tripod 206 on the bracket, so that the tripod 206 can drive the positioning frame 207 to move in the slide groove opened on the top surface of the support plate 201, and squeeze the spring 208, so that the positioning frame 207 can drive multiple groups of frames 209 and film guide rollers 210 to move, so that the distance between the film guide rollers 210 is reduced, thereby controlling the size of the film of the lignin modified composite material and avoiding the expansion of the blown bag film.

[0035] In an optional embodiment: L-shaped frames 209 are installed on both side surfaces of the positioning frame 207, and the L-shaped structures of the two frames 209 are rotatably connected to the same film guide roller 210.

[0036] In this embodiment, the two L-shaped frames 209 can determine the position of the film guide roller 210, so that the film guide roller 210 can limit the position of the lignin-modified composite plastic to avoid scratching of the plastic film.

[0037] In an optional embodiment, a plurality of groups of film guide rollers 210 are arranged at equal intervals and at staggered heights.

[0038] In this embodiment, three rows of film guide rollers 210 form a group. Between the multiple film guide rollers 210 arranged at equal intervals, the film guide rollers 210 are not on the same horizontal line, but are staggered to avoid collision between the multiple film guide rollers 210 when moving.

[0039] In an optional embodiment, the plurality of frames 209 are all located inside the positioning ring 204 .

[0040] In this embodiment, the maximum range of the frame 209 is smaller than the inner wall of the positioning ring 204, so that the movement of the film guide roller 210 can be controlled to avoid collision between the film guide roller 210 and the frame 209 when descending.

[0041] According to the above content, in order to control the cutting position of the bagged lignin-modified composite plastic blown out by the film blowing machine 4, the cutting can be carried out after the cutting length is determined. It also includes a cutting component 3 installed on the top surface of the positioning ring 204, and the cutting component 3 includes a positioning block 301 symmetrically installed on the top surface of the positioning ring 204, a hydraulic rod 302 installed on the adjacent side of the two positioning blocks 301, and a moving rod 303 installed on the protruding end of the hydraulic rod 302. A cutter 308 is installed on the surface of one side of the two moving rods 303 close to each other, and a slider 307 is slidably connected in the slide groove opened on the bottom surface of the moving rod 303. The bottom surface of the slider 307 is rotatably connected to the limiting wheel 304, and a spring 306 is installed on one side surface of the slider 307, and one end of the spring 306 is installed in the slide groove opened on the bottom surface of the moving rod 303.

[0042] In this embodiment: the controller on the device body 1 can time the hydraulic rod 302 on the positioning block 301, and then the hydraulic rod 302 can push the moving rod 303, so that the moving rod 303 can move on the positioning ring 204, and then the moving rod 303 drives the cutter 308 to cut the lignin-modified composite plastic. The timing control can be carried out to reduce manual participation, support and limit the moving rod 303, and at the same time, the moving rod 303 drives the cutter 308 to run more smoothly.

[0043] In an optional embodiment: a limiting ring 305 is installed on the top surface of the positioning ring 204 , and the limiting ring 305 is rotatably connected to a plurality of limiting wheels 304 .

[0044] In this embodiment, when the moving rod 303 moves, it drives the limiting wheel 304 to slide outside the limiting ring 305 on the positioning ring 204 , and the limiting wheel 304 is limited by the limiting ring 305 .

[0045] The working principle and use process of the utility model are as follows: when the device body 1 blows out the lignin modified composite material through the film blowing machine 4, the support rod 202 on the support plate 201 can provide support for the hydraulic rod 203, and at the same time, the positioning ring 204 can be pulled by multiple hydraulic rods at the same time, so that the positioning ring 204 can be lowered, and the push plate 205 on the bottom of the positioning ring 204 is driven to move on the inclined surface of the tripod 206 on the bracket, so that the tripod 206 can drive the positioning frame 207 to move in the slide groove opened on the top surface of the support plate 201, and squeeze the spring 208, so that the positioning frame 207 can drive multiple groups of frames 209 and film guide rollers 210 to move, so that the distance between the film guide rollers 210 is reduced, thereby controlling the size of the film of the lignin modified composite material, avoiding the expansion of the blown bag film, and the three series of film guide rollers 21 0 is a group, and between the multiple film guide rollers 210 arranged at equal intervals, the film guide rollers 210 are not on the same horizontal line, but are staggered to avoid collision between the multiple film guide rollers 210 when moving. The hydraulic rod 202 on the positioning block 301 can be controlled by the controller on the device body 1 at a timely manner, and then the moving rod 303 can be pushed by the hydraulic rod 202, so that the moving rod 303 can be moved on the positioning ring 204, and when the moving rod 303 moves, it will drive the limiting wheel 304 to slide outside the limiting ring 305 on the positioning ring 204, and the limiting wheel 304 is limited by the limiting ring 305, and then the moving rod 303 drives the cutter 308 to cut the lignin modified composite plastic, which can be controlled at a timely manner to reduce manual participation, support and limit the moving rod 303, and at the same time make the moving rod 303 drive the cutter 308 to run more smoothly.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A lignin modified composite plastic film blowing device, comprising a device body (1) and a film blowing machine (4) mounted on the top surface of the device body (1), characterized in that: It also includes a limiting component (2) installed outside the device body (1); The limiting assembly (2) comprises a support plate (201) installed on the outside of the film blowing machine (4), a support rod (202) installed on the outer surface of the support plate (201), and a hydraulic rod (203) installed on the top surface of the support rod (202); a positioning ring (204) is installed at the protruding end of the hydraulic rod (203); a push plate (205) is installed on the bottom surface of the positioning ring (204); a tripod (206) is slidably connected in a sliding groove provided on the bottom surface of the push plate (205); a positioning frame (207) with an L-shaped structure is installed on adjacent sides of the plurality of tripods (206); the positioning frame (207) is slidably connected in a sliding groove provided on the surface of the support plate (201); a spring (208) is installed at the L-shaped structure of the positioning frame (207); one end of the spring (208) is installed in the sliding groove provided on the top surface of the support plate (201).

2. The lignin modified composite plastic film blowing device according to claim 1, characterized in that: L-shaped frames (209) are installed on both side surfaces of the positioning frame (207), and the L-shaped structures of the two frames (209) are rotatably connected to the same film guide roller (210).

3. The lignin modified composite plastic film blowing device according to claim 1, characterized in that: The plurality of film guide rollers (210) are arranged at equal intervals and at staggered heights.

4. The lignin modified composite plastic film blowing device according to claim 2, characterized in that: The plurality of frames (209) are all located inside the positioning ring (204).

5. The lignin modified composite plastic film blowing device according to claim 1, characterized in that: The invention also comprises a cutting assembly (3) mounted on the top surface of the positioning ring (204), wherein the cutting assembly (3) comprises a positioning block (301) symmetrically mounted on the top surface of the positioning ring (204), a hydraulic rod (302) mounted on one side adjacent to the two positioning blocks (301), and a moving rod (303) mounted on the protruding end of the hydraulic rod (302), a cutting knife (308) being mounted on the surfaces of the two moving rods (303) on the sides close to each other, a sliding block (307) being slidably connected in a sliding groove provided on the bottom surface of the moving rod (303), the bottom surface of the sliding block (307) being rotatably connected to a limiting wheel (304), a spring (306) being mounted on one side surface of the sliding block (307), one end of the spring (306) being mounted in the sliding groove provided on the bottom surface of the moving rod (303).

6. The lignin modified composite plastic film blowing device according to claim 5, characterized in that: A limiting ring (305) is installed on the top surface of the positioning ring (204), and the limiting ring (305) is rotatably connected to the plurality of limiting wheels (304).

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