Extrusion forming device capable of degrading mulching film

Abstract

The extrusion forming device structurally comprises a bottom plate and an extruder, the extruder is fixedly arranged on one side of the upper portion of the bottom plate, a wind-up roller is arranged on the other side of the upper portion of the bottom plate, a cooling tank is fixedly arranged between the wind-up roller and the extruder, a feeding tank is arranged at the top of the extruder, and the feeding tank is connected with the cooling tank. An extrusion opening is formed in the side, close to the cooling tank, of the extruder, two sets of mounting frames are symmetrically arranged on the two sides of the cooling tank, a vertical plate is fixedly arranged on the upper portion of the bottom plate and located between the extruder and the cooling tank, and the scraping assembly is arranged on the vertical plate and movably connected with the extrusion opening; the two sets of direction adjusting assemblies are arranged on the lower portion of the mounting frame. And the buffer assembly is arranged between the winding roller and the cooling tank. The utility model belongs to the field of extrusion forming devices, and particularly relates to an extrusion forming device capable of degrading a mulching film.

Description

TECHNICAL FIELD

[0001] The utility model belongs to extrusion forming device field, specifically point to a kind of extrusion forming device of degradable mulching film. BACKGROUND

[0002] With the improvement of environmental protection requirements, degradable mulching film gradually replaces traditional plastic mulching film and becomes the mainstream choice of agricultural covering material. Currently, degradable mulching film is mainly produced by extrusion molding process, which has the characteristics of continuous production and high efficiency. In the industry, polylactic acid (PLA), polybutylene adipate / terephthalate (PBAT) and other bio-based materials are commonly used as raw materials, and the production is completed through processes such as melt extrusion, cooling and shaping, and winding.

[0003] In the extrusion production process, irregular mulching film produced by initial processing is usually trimmed by traditional extrusion molding equipment with manual trimming. The operator needs to monitor the extrusion port in real time, manually remove the initial irregular product, which has low removal efficiency and affects the processing rate. In the cooling link, spray cooling or air cooling devices are commonly used, but there are problems of uneven cooling leading to mulching film shrinkage and deformation. In the cooling link, due to the thermal expansion and contraction of the mulching film, it affects the tightness, and excessive tension can easily cause the mulching film to be damaged. The existing equipment mostly uses simple lifting to adjust the tension, which needs to be constantly adjusted and controlled, and the operation is complex. SUMMARY

[0004] The technical problem to be solved by the utility model is the low efficiency of manual removal of irregular products, uneven spray and air cooling, and the mulching film is prone to shrinkage and damage after cooling.

[0005] To solve the above problems, the technical scheme adopted by the utility model is as follows: the extrusion molding device for degradable mulching film provided by the utility model comprises a bottom plate and an extruder, the extruder is fixed on one side of the upper part of the bottom plate, a winding roller is arranged on the other side of the upper part of the bottom plate, a cooling tank is fixed between the extruder and the winding roller, a feeding tank is arranged on the top of the extruder, an extrusion port is formed on the side of the extruder close to the cooling tank, two groups of mounting racks are symmetrically arranged on both sides of the cooling tank, and the device further comprises a scraping assembly, a direction adjusting assembly and a buffer assembly.

[0006] A vertical plate is fixed on the upper part of the bottom plate and located between the extruder and the cooling tank, the scraping assembly is arranged on the vertical plate and movably connected with the extrusion port.

[0007] The direction adjusting assembly has two groups and is arranged at the lower part of the mounting rack.

[0008] The buffer assembly is arranged between the winding roller and the cooling tank.

[0009] Further, the scraping assembly comprises a first motor, a screw rod and a moving frame, the first motor is fixed outside the vertical plate, the screw rod is rotatably arranged between the vertical plates and penetrates the vertical plate and the screw rod shaft, the moving frame is slidably arranged on the upper portion of the bottom plate, the screw rod penetrates the moving frame vertically, two sides of the top end of the moving frame are fixedly provided with scrapers, and the scrapers are in scraping connection with the extrusion outlet.

[0010] Further, the moving frame is fixedly provided with a limiting block at the lower portion, the limiting groove is formed in the upper portion of the bottom plate, and the limiting block and the limiting groove are in slidingly embedded connection.

[0011] Further, the direction adjusting assembly comprises an electric telescopic rod, the fixed end of the electric telescopic rod is fixedly connected with the mounting frame, the movable end of the electric telescopic rod is fixedly provided with a connecting frame, the connecting frame is rotatably connected with two rotating frames at the two sides of the inner portion of the connecting frame, the outer portion of the connecting frame is fixedly provided with a self-locking motor, the rotating frame at one side is rotatably penetrated through the connecting frame and the self-locking motor and is connected with the self-locking motor, and the rotating rollers are rotatably arranged between the two rotating frames.

[0012] Further, the two direction adjusting assemblies are arranged above the cooling tank.

[0013] Further, the buffer assembly comprises a support column and a support frame, the support column is fixedly arranged on the upper portion of the bottom plate and located between the winding roller and the cooling tank, a damper is arranged on the top end of the support column, the top end of the damper is fixedly connected with the support frame, a spring is arranged on the outer portion of the damper, one end of the spring is connected with the support frame, the other end of the spring is connected with the support column, and a wire roller is rotatably connected with the support frame.

[0014] The beneficial effects achieved by the above structure are as follows:

[0015] 1. The extrusion molding device for degradable mulching film is provided, and the irregular mulching film can be automatically cleaned through the scraping assembly, so that the production efficiency is improved.

[0016] 2. The extrusion molding device for degradable mulching film is provided, and the direction adjusting assemblies are arranged on the two sides of the cooling tank to adjust the height of the mulching film, and the double direction adjusting assemblies ensure the uniformity of cooling.

[0017] 3. The extrusion molding device for degradable mulching film is provided, and the spring damper buffer mechanism effectively absorbs the shrinkage stress, so that the risk of mulching film collapse is reduced. DRAWINGS

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

[0019] Figure 2 It is Figure 1 a local enlarged schematic view of A in the middle;

[0020] Figure 3The second overall structure schematic view of the utility model is shown in the figure.

[0021] Figure 4 For Figure 3 The local amplification schematic view of B in the middle.

[0022] Wherein, 1, bottom plate, 101, mounting bracket, 102, cooling tank, 103, winding roller, 104, vertical plate, 2, extruder, 201, feeding tank, 202, extrusion port, 3, material scraping assembly, 301, first motor, 302, screw rod, 303, moving frame, 304, scraper, 305, limiting block, 306, limiting groove, 4, direction adjusting assembly, 401, electric telescopic rod, 402, connecting frame, 403, self-locking motor, 404, rotating frame, 405, rotating roller, 5, buffer assembly, 501, support column, 502, support, 503, spring, 504, damper, 505, wire roller.

[0023] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation of the utility model. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described in the embodiments of the utility model in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range protected by the utility model.

[0025] As Figures 1-4 The utility model discloses an extruding forming device of degradable mulching film, including bottom plate 1 and extruder 2, extruder 2 is fixed on the upper side of bottom plate 1, and the other side of the upper portion of bottom plate 1 is equipped with winding roller 103, and the cooling tank 102 is fixed between winding roller 103 and extruder 2, and the top of extruder 2 is equipped with feeding tank 201, and the side of extruder 2 close to cooling tank 102 is equipped with extrusion port 202, and the both sides of cooling tank 102 are symmetrically equipped with two groups of mounting bracket 101, still including material scraping assembly 3, direction adjusting assembly 4 and buffer assembly 5: the vertical plate 104 is fixed on the upper portion of bottom plate 1 and is located between extruder 2 and cooling tank 102, and material scraping assembly 3 is arranged on vertical plate 104 and is movably connected with extrusion port 202, and the direction adjusting assembly 4 has two groups, and is arranged in the lower portion of mounting bracket 101 respectively, and the buffer assembly 5 is arranged between winding roller 103 and cooling tank 102.

[0026] As Figures 1-2As shown, the scraping assembly 3 includes a first motor 301, a lead screw 302 and a moving frame 303, the first motor 301 is fixed outside the vertical plate 104, the lead screw 302 is rotatably arranged between the vertical plates 104 and penetrates the vertical plates 104 and the lead screw 302, the moving frame 303 is slidably arranged on the upper portion of the bottom plate 1, the lead screw 302 penetrates the moving frame 303 vertically, the moving frame 303 is fixed on both sides of the top end of the scraper 304, the scraper 304 is connected with the extrusion opening 202 in a scraping manner, which is used to clean the waste at the extrusion opening 202, the lower portion of the moving frame 303 is fixedly provided with a limiting block 305, the upper portion of the bottom plate 1 is provided with a limiting groove 306, the limiting block 305 and the limiting groove 306 are connected in a sliding fitting manner, and the moving direction of the moving frame 303 is limited,

[0027] As shown in the figure, Figures 1-4 The direction adjusting assembly 4 includes an electric telescopic rod 401, the fixed end of the electric telescopic rod 401 is fixedly connected with the mounting frame 101, the movable end of the electric telescopic rod 401 is fixedly provided with a connecting frame 402, the connecting frame 402 is rotatably connected with rotary frames 404 on both sides, the connecting frame 402 is fixedly provided with a self-locking motor 403, one rotary frame 404 rotatably penetrates the connecting frame 402 and the self-locking motor 403, and the other rotary frame 404 is rotatably arranged between the two rotary frames 404, and the rotary roller 405 is rotatably arranged between the two rotary frames 404, and the two groups of direction adjusting assemblies 4 are arranged above the cooling groove 102,

[0028] As shown in the figure, Figures 1-4 The buffer assembly 5 includes a support column 501 and a support frame 502, the support column 501 is fixedly arranged on the upper portion of the bottom plate 1 and located between the winding roller 103 and the cooling groove 102, the damping 504 is mounted on the top end of the support column 501, the top end of the damping 504 is fixedly connected with the support frame 502, the spring 503 is sleeved outside the damping 504, one end of the spring 503 is connected with the support frame 502, and the other end is connected with the support column 501, and the wire roller 505 is rotatably connected with the support frame 502.

[0029] In specific use, the raw material particles are added into the extruder 2 through the feeding tank 201, and after being mixed, melted and extruded by the extruder 2, the processed initial degradable mulch is irregularly shaped, at this time, the first motor 301 is started to rotate the lead screw 302, under the limiting cooperation of the limiting groove 306 and the limiting block 305, the moving frame 303 and the scraper 304 are controlled to reciprocate and scrape off the irregularly shaped mulch discharged from the extrusion opening 202, without manual cleaning, the cleaning is fast, and the processing and collecting efficiency is improved.

[0030] The discharged mulching film is sequentially passed between two rotating rollers 405 in the direction adjusting assembly 4 near the extruder 2, cooled by clean water in the cooling tank 102, then passed between two rotating rollers 405 in the direction adjusting assembly 4 near the buffer assembly 5, then passed through the upper part of the buffer assembly 5, and finally reaches the winding roller 103 to complete the winding operation, facilitating subsequent air drying treatment. During the process, the elongated electric telescopic rod 401 is started to drive the rotating roller 405 and the mulching film to sink into the clean water in the cooling tank 102, thereby playing a role in direction adjustment and ensuring that the mulching film and the cooling water are in full contact, ensuring uniform cooling. At the same time, the self-locking motor 403 can be started to rotate the rotating frame 404, and the rotating rollers 405 on both sides are driven to rotate, thereby realizing overall tightening of the mulching film and avoiding wrinkles in the mulching film caused by loosening due to changes in the height of the mulching film during subsequent winding. After the mulching film is cooled, it will expand and contract due to changes in temperature. After being redirected by the upper part of the buffer assembly 5, the spring 503 and the damper 504 arranged between the support 502 and the support column 501 can play a certain displacement and buffering role, thereby avoiding breakage of the mulching film.

[0031] The above describes the present application and its embodiments, which are not limiting. The embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired by the above description, without departing from the spirit of the present application, similar structural modes and embodiments can be designed without creative design, which should be within the protection scope of the present application.

Claims

1. An extrusion molding device for degradable mulch film, comprising a base plate (1) and an extruder (2), the extruder (2) is fixed on one side of the upper part of the base plate (1), the other side of the upper part of the base plate (1) is provided with a winding roller (103), the winding roller (103) and the extruder (2) are fixedly provided with a cooling tank (102) between them, the top of the extruder (2) is provided with a feeding tank (201), the side of the extruder (2) close to the cooling tank (102) is provided with an extrusion outlet (202), and two groups of mounting racks (101) are symmetrically arranged on both sides of the cooling tank (102), characterized in that, Also include scraping assembly (3), direction adjusting assembly (4) and buffer assembly (5): The upper portion of the bottom plate (1) is fixed with a vertical plate (104), which is located between the extruder (2) and the cooling tank (102), and the scraping assembly (3) is arranged on the vertical plate (104) and is movably connected with the extrusion outlet (202); The direction adjusting assembly (4) has two groups, which are arranged on the lower portion of the mounting frame (101); The buffer assembly (5) is arranged between the winding roller (103) and the cooling tank (102).

2. The extrusion device of the degradable mulching film according to claim 1, characterized in that: The scraping assembly (3) comprises a first motor (301), a lead screw (302) and a moving frame (303), the first motor (301) is fixed outside the vertical plate (104), the lead screw (302) is rotatably arranged between the vertical plate (104) and is connected with the lead screw (302) shaft, the moving frame (303) is slidably arranged on the upper portion of the bottom plate (1), the lead screw (302) is vertically threaded through the moving frame (303), the moving frame (303) is fixed with a scraper (304) on both sides of the top end, and the scraper (304) is connected with the extrusion outlet (202) in a scraping manner.

3. The extrusion device of the degradable mulching film according to claim 2, characterized in that: The lower portion of the moving frame (303) is fixed with a limiting block (305), and the upper portion of the bottom plate (1) is provided with a limiting groove (306), and the limiting block (305) and the limiting groove (306) are connected in a sliding fitting manner.

4. The extrusion device of the degradable mulching film according to claim 1, characterized in that: The direction adjusting assembly (4) comprises an electric telescopic rod (401), the fixed end of the electric telescopic rod (401) is fixedly connected with the mounting frame (101), the movable end of the electric telescopic rod (401) is fixedly provided with a connecting frame (402), the connecting frame (402) is rotatably connected with a rotating frame (404) on both sides, the connecting frame (402) is fixedly provided with a self-locking motor (403) on the outside, the rotating frame (404) on one side is rotatably connected with the connecting frame (402) and the self-locking motor (403) shaft, and the rotating roller (405) is rotatably arranged between the two rotating frames (404).

5. The extrusion device of a degradable mulching film according to claim 4, characterized in that: The two groups of direction adjusting assemblies (4) are arranged above the cooling tank (102).

6. The extrusion device of a degradable mulching film according to claim 1, characterized in that: The buffer assembly (5) comprises a support column (501) and a support frame (502), the support column (501) is fixedly arranged on the upper portion of the bottom plate (1) and located between the winding roller (103) and the cooling tank (102), a damper (504) is mounted on the top end of the support column (501), the top end of the damper (504) is fixedly connected with the support frame (502), a spring (503) is sleeved on the outside of the damper (504), one end of the spring (503) is connected with the support frame (502), the other end is connected with the support column (501), and a wire roller (505) is rotatably connected with the support frame (502).

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