Biodegradable plastic melting device

Abstract

The utility model provides a biodegradable plastic melting device which comprises a tank body, an electric heating plate arranged on the inner wall of the tank body, an automatic feeding assembly arranged on the outer side of the tank body, a stirring and scraping assembly arranged in the tank body and a waste gas treatment assembly arranged on the right side of the tank body. The outer sides of the two rotating rods are fixedly connected with crushing rollers, a rotating assembly is arranged in the tank body, and a transmission assembly is arranged on the back side of the tank body. The plastic particle melting device is provided with a crushing device for plastic particles, so that the plastic particle melting rate is further increased; and due to the fact that the gears on the outer sides of the two rotating rods are connected in a meshed mode, when the motor works, the two crushing rollers can rotate relatively, plastic particles discharged from the bottom of the feeding cover can be crushed, and the plastic melting efficiency is improved.

Description

Technical Field

[0001] The present invention discloses the technical field of biodegradable plastic bag production, and in particular relates to a biodegradable plastic melting device. Background Art

[0002] Plastic bags are bags made of plastic as the main raw material. They are essential items in people's daily lives and are often used to hold other items. They are widely used because of their low cost, extremely light weight, large capacity, and easy storage. However, due to the disadvantages of extremely long degradation cycle and difficult disposal of plastic bags, some countries have banned their production and use. Biodegradable plastics refer to a type of plastic that is degraded by microorganisms such as bacteria, mold (fungi) and algae existing in nature.

[0003] A search of the publication (announcement) number: CN214056399U discloses a plastic particle melting device for the production of biodegradable plastic bags, including a tank body, a feed hopper and a reducer are arranged on the top of the tank body, a feed pipe is arranged on one side of the feed hopper, a suction pump is arranged at the end of the feed pipe, a motor is arranged on the top of the feed hopper, a rotating rod is arranged between the motor and the reducer, a rotating shaft is connected to the bottom of the reducer, and a support rod and a stirring blade are arranged on the rotating shaft... This application can automatically add materials, improve work efficiency, and can heat and melt plastic particles evenly to prevent air pollution, but this application simply stirs and melts the particles, and the melting efficiency is not very high.

[0004] In summary, how to improve the melting efficiency of plastic particles is a technical problem that needs to be solved urgently. To this end, we propose a biodegradable plastic melting device. Utility Model Content

[0005] In view of the above-mentioned defects or shortcomings in the prior art, it is desired to provide a biodegradable plastic melting device, comprising a tank body, an electric heating plate arranged on the inner wall of the tank body, an automatic feeding assembly arranged on the outside of the tank body, a stirring and scraping assembly arranged inside the tank body, and an exhaust gas treatment assembly arranged on the right side of the tank body, wherein two rotating rods are symmetrically rotatably connected to the upper inner side of the tank body, and the outer sides of the two rotating rods are fixedly connected with crushing rollers, and one end of the two rotating rods close to the back side of the tank body extends to the outside of the tank body, and the outer side of the tank body is provided with a gear fixedly connected to the outer side of the rotating rod, the front end of the rotating rod close to the left side of the tank body extends to the outside of the tank body, and the outer side of the tank body is fixedly connected with a motor for driving the rotating rod close to the left side of the tank body to rotate, a rectangular hole is opened on the top of the tank body, a rectangular plate is arranged inside the rectangular hole, a feeding cover is fixedly connected to the middle of the rectangular plate, a connecting pipe is fixedly connected to the top of the feeding cover, a rotating assembly is arranged inside the tank body, and a transmission assembly is arranged on the back side of the tank body.

[0006] According to the technical solution provided in the embodiment of the present application, the rotating assembly includes a fixed box fixedly connected to the middle part of the tank body, the inner top wall of the fixed box is rotatably connected to a stirring shaft, the bottom end of the stirring shaft passes through the bottom wall of the fixed box and extends to the bottom of the fixed box, the inner wall of the fixed box is rotatably connected to a rotating shaft, the outer side of one end of the rotating shaft is fixedly connected to a second bevel gear, and the other end of the rotating shaft passes through the side wall of the fixed box and the side wall of the tank body and extends to the outside of the tank body, and the outer side of the stirring shaft is fixedly connected to a first bevel gear.

[0007] According to the technical solution provided in the embodiment of the present application, the first bevel gear and the second bevel gear are meshed and driven to each other, a fixed tube is fixedly connected between the fixed box and the inner wall of the tank body, and the rotating shaft passes through the fixed tube.

[0008] According to the technical solution provided in the embodiment of the present application, the transmission assembly includes a driving wheel, a driven wheel and a transmission belt. A driving wheel is provided on the outside of the tank body and is fixedly sleeved on the outer wall of the rotating rod near the left side of the tank body. A driven wheel is fixedly sleeved on the outside of the other end of the rotating shaft. The driving wheel and the driven wheel are connected by a transmission belt.

[0009] According to the technical solution provided in the embodiment of the present application, the two gears are meshed and transmission connected, a support plate is fixedly connected to the surface of the tank body, and the motor is fixedly connected to the top surface of the support plate.

[0010] According to the technical solution provided in the embodiment of the present application, the top of the tank body is fixedly connected to a fixing frame, the top of the fixing frame is fixedly connected to an electric push rod, the output end of the electric push rod passes through the fixing frame and is fixedly connected to the top of the connecting pipe, and the outer side of the loading hood is symmetrically fixedly connected to a limiting plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The present application has a device for crushing plastic particles, which further improves the melting rate of plastic particles. Specifically, when working, the motor is controlled to drive one of the rotating rods to rotate. Since the gears on the outside of the two rotating rods are meshed and connected, the two crushing rollers can rotate relative to each other when the motor is working, so that the plastic particles discharged from the bottom of the upper material cover can be crushed, thereby improving the efficiency of plastic melting.

[0013] 2. The electric push rod drives the connecting pipe, the feeding cover and the rectangular plate to move upward, so that the rectangular hole can be opened, which is convenient for the staff to maintain and clean the crushing roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a right side sectional view of the tank body of the utility model. DETAILED DESCRIPTION

[0017] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0018] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0019] As mentioned in the background art, the prior art simply stirs and melts the particles, but the melting efficiency is not very high.

[0020] Example:

[0021] See also Figure 1 and Figure 2 The utility model provides a technical solution, a biodegradable plastic melting device, comprising a tank body 1, an electric heating plate 22 arranged on the inner wall of the tank body 1, an automatic feeding component 2 arranged on the outer side of the tank body 1, a stirring and scraping component 21 arranged inside the tank body 1, and an exhaust gas treatment component arranged on the right side of the tank body 1. The tank body 1, the electric heating plate 22, the automatic feeding component 2, the stirring and scraping component 21 and the exhaust gas treatment component all belong to the prior art, and their structure and working principle are all referred to the plastic particle melting device for biodegradable plastic bag production with the publication (announcement) number CN214056399U, which will not be described in detail in this article. As described above, the automatic feeding assembly 2 conveys the plastic particles to the inside of the feeding cover 8, and two rotating rods 12 are symmetrically connected to the upper side of the inside of the tank body 1, and the outer sides of the two rotating rods 12 are fixedly connected to the crushing rollers 18, and the crushing teeth on the outer sides of the two crushing rollers 18 are meshed. The ends of the two rotating rods 12 close to the back side of the tank body 1 extend to the outside of the tank body 1, and the outer side of the tank body 1 is provided with a gear 16 fixedly connected to the outer side of the rotating rod 12, and the front end of the rotating rod 12 close to the left side of the tank body 1 extends to the outside of the tank body 1, and the outer side of the tank body 1 is fixedly connected to the motor 4 for driving the rotating rod 12 close to the left side of the tank body 1 to rotate;

[0022] A rectangular hole 9 is provided on the top of the tank body 1, a rectangular plate 10 is provided inside the rectangular hole 9, a material cover 8 is fixedly connected to the middle of the rectangular plate 10, a glass plate is installed on the right side wall of the material cover 8, and the lower end of the material cover 8 extends to the inside of the tank body 1, see Figure 2 The bottom of the feeding cover 8 is open, and the plastic particles inside the feeding cover 8 are discharged between the two crushing rollers 18 through the bottom of the feeding cover 8. The control motor 4 drives one of the rotating rods 12 to rotate. Since the two gears 16 are meshed and connected, the two crushing rollers 18 can rotate relative to each other when the motor 4 is working, so as to crush the plastic particles. The crushed plastic particles fall to the lower side of the inner part of the tank body 1, and the stirring and scraping component 21 stirs the plastic particles. The automatic feeding component 2 is connected to the connecting pipe 7. The top of the feeding cover 8 is fixedly connected with the connecting pipe 7, the interior of the tank body 1 is provided with a rotating component, and the back side of the tank body 1 is provided with a transmission component. The two gears 16 are meshed and transmitted. The surface of the tank body 1 is fixedly connected with a support plate 3, and the motor 4 is fixedly connected to the top surface of the support plate 3.

[0023] See also Figure 2 The rotating assembly includes a fixed box 23 fixedly connected to the middle of the tank body 1, and a triangular block is fixedly connected to the top of the fixed box 23 to guide the plastic particles. The inner top wall of the fixed box 23 is rotatably connected to the stirring shaft 19, and the stirring and scraping assembly 21 is fixed to the outside of the stirring shaft 19. The bottom end of the stirring shaft 19 passes through the bottom wall of the fixed box 23 and extends to the bottom of the fixed box 23. The inner wall of the fixed box 23 is rotatably connected to the rotating shaft 20, and the outer side of one end of the rotating shaft 20 is fixedly connected to the second bevel gear 25, and the other end of the rotating shaft 20 passes through the side wall of the fixed box 23 and the side wall of the tank body 1 and extends to the outside of the tank body 1. The outer side of the stirring shaft 19 is fixedly connected to the second bevel gear 25. A bevel gear 24, a first bevel gear 24 and a second bevel gear 25 are meshed and connected with each other, the rotation of the rotating shaft 20 drives the second bevel gear 25 to rotate, the rotation of the second bevel gear 25 drives the first bevel gear 24 to rotate, the rotation of the first bevel gear 24 drives the stirring shaft 19 to rotate, the rotation of the stirring shaft 19 can drive the stirring and scraping assembly 21 to rotate, a fixed tube 17 is fixedly connected between the fixed box 23 and the inner wall of the tank body 1, the fixed tube 17 plays the role of fixing the fixed box 23 in the middle of the tank body 1, at the same time, the fixed tube 17 can prevent the rotating shaft 20 from being exposed to the inside of the tank body 1, the fixed tube 17 can protect the rotating shaft 20, and the rotating shaft 20 passes through the fixed tube 17.

[0024] See also Figure 2 The transmission assembly includes a driving wheel 14, a driven wheel 15 and a transmission belt 13. The outer side of the tank body 1 is provided with a driving wheel 14 fixedly sleeved on the outer wall of the rotating rod 12 close to the left side of the tank body 1. The other end of the rotating shaft 20 is fixedly sleeved on the outer side with a driven wheel 15. The driving wheel 14 and the driven wheel 15 are connected by a transmission belt 13. The rotation of the driving wheel 14 drives the transmission belt 13 to rotate, and the rotation of the transmission belt 13 drives the driven wheel 15 to rotate.

[0025] See also Figure 1The top of the tank body 1 is fixedly connected with a fixing frame 5, and the top of the fixing frame 5 is fixedly connected with an electric push rod 6. The output end of the electric push rod 6 passes through the fixing frame 5 and is fixedly connected to the top of the connecting pipe 7. The outer side of the feeding cover 8 is symmetrically fixedly connected with a limiting plate 11. The limiting plate 11 limits the feeding cover 8. When the feeding cover 8 moves downward to a specified position, the top of the tank body 1 will block the limiting plate 11, so that the rectangular plate 10 moves to the specified position and stops moving. The electric push rod 6 drives the connecting pipe 7, the feeding cover 8 and the rectangular plate 10 to move upward, so that the rectangular hole 9 can be opened, which is convenient for the staff to maintain and clean the crushing roller 18.

[0026] Working principle: Control the automatic feeding component 2, the motor 4, the exhaust gas treatment component and the electric heating plate 22 to work, the automatic feeding component 2 conveys the plastic particles to the inside of the feeding cover 8, and closes the automatic feeding component 2 after adding a proper amount of plastic particles, and the plastic particles inside the feeding cover 8 are discharged into between the two crushing rollers 18 through the bottom of the feeding cover 8. The motor 4 works to make the two crushing rollers 18 rotate relative to each other, thereby crushing the plastic particles, and the crushed plastic particles fall to the lower side of the inside of the tank body 1, and the motor 4 works to drive the rotating rod 12 to rotate, and the rotation of the rotating rod 12 drives the driving wheel 14 to rotate, and the rotation of the driving wheel 14 drives the transmission belt 1 3 rotates, the transmission belt 13 rotates to drive the driven wheel 15 to rotate, the driven wheel 15 rotates to drive the rotating shaft 20 to rotate, the rotating shaft 20 rotates to drive the second bevel gear 25 to rotate, the second bevel gear 25 rotates to drive the first bevel gear 24 to rotate, the first bevel gear 24 rotates to drive the stirring shaft 19 to rotate, the stirring shaft 19 rotates to drive the stirring and scraping assembly 21 to rotate, so as to stir the crushed plastic particles and scrape off the plastic particles on the inner wall of the tank body 1, and the electric heating plate 22 heats the plastic particles, the exhaust gas treatment assembly works to remove dust from the gas, and finally the plastic particles are discharged through the discharge port at the bottom end of the tank body 1.

[0027] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. A biodegradable plastic melting device, comprising a tank body (1), an electric heating plate (22) arranged on the inner wall of the tank body (1), an automatic feeding assembly (2) arranged outside the tank body (1), a stirring and scraping assembly (21) arranged inside the tank body (1), and an exhaust gas treatment assembly arranged on the right side of the tank body (1), characterized in that: Two rotating rods (12) are symmetrically rotatably connected to the upper inner side of the tank body (1), and the outer sides of the two rotating rods (12) are fixedly connected to crushing rollers (18). One end of the two rotating rods (12) close to the back side of the tank body (1) extends to the outer side of the tank body (1), and a gear (16) fixedly connected to the outer side of the rotating rod (12) is provided on the outer side of the tank body (1). The front end of the rotating rod (12) close to the left side of the tank body (1) extends to the outer side of the tank body (1). A motor (4) is fixedly connected to the outer side of the tank body (1) for driving a rotating rod (12) near the left side of the tank body (1) to rotate, a rectangular hole (9) is opened on the top of the tank body (1), a rectangular plate (10) is arranged inside the rectangular hole (9), a feeding cover (8) is fixedly connected to the middle of the rectangular plate (10), a connecting pipe (7) is fixedly connected to the top of the feeding cover (8), a rotating assembly is arranged inside the tank body (1), and a transmission assembly is arranged on the back side of the tank body (1).

2. A biodegradable plastic melting device according to claim 1, characterized in that: The rotating assembly comprises a fixed box (23) fixedly connected to the middle of the tank body (1); the inner top wall of the fixed box (23) is rotatably connected to a stirring shaft (19); the bottom end of the stirring shaft (19) penetrates the bottom wall of the fixed box (23) and extends to the bottom of the fixed box (23); the inner wall of the fixed box (23) is rotatably connected to a rotating shaft (20); the outer side of one end of the rotating shaft (20) is fixedly connected to a second bevel gear (25); the other end of the rotating shaft (20) penetrates the side wall of the fixed box (23) and the side wall of the tank body (1) and extends to the outside of the tank body (1); the outer side of the stirring shaft (19) is fixedly connected to a first bevel gear (24).

3. A biodegradable plastic melting device according to claim 2, characterized in that: The first bevel gear (24) and the second bevel gear (25) are meshed and transmission-connected, a fixed tube (17) is fixedly connected between the fixed box (23) and the inner wall of the tank body (1), and the rotating shaft (20) passes through the fixed tube (17).

4. The biodegradable plastic melting device according to claim 2, characterized in that: The transmission assembly comprises a driving wheel (14), a driven wheel (15) and a transmission belt (13); the outer side of the tank body (1) is provided with a driving wheel (14) fixedly sleeved on the outer wall of a rotating rod (12) close to the left side of the tank body (1); the other end of the rotating shaft (20) is fixedly sleeved on the outer side with a driven wheel (15); the driving wheel (14) and the driven wheel (15) are connected via a transmission belt (13).

5. The biodegradable plastic melting device according to claim 1, characterized in that: The two gears (16) are meshed and transmission-connected, a support plate (3) is fixedly connected to the surface of the tank body (1), and the motor (4) is fixedly connected to the top end surface of the support plate (3).

6. The biodegradable plastic melting device according to claim 1, characterized in that: The top of the tank body (1) is fixedly connected to a fixing frame (5), the top of the fixing frame (5) is fixedly connected to an electric push rod (6), the output end of the electric push rod (6) passes through the fixing frame (5) and is fixedly connected to the top of the connecting pipe (7), and the outer side of the loading cover (8) is symmetrically fixedly connected to a limiting plate (11).

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