CN209599623U - Plastic crushing mixing granulator all-in-one machine - Google Patents

Abstract

The utility model discloses plastic crushing mixing granulator all-in-one machines, it includes supporting box, motor has been inversely installed in top one end of the supporting box, cutter shaft cabinet is installed in the side of motor, the top braces of the cutter shaft cabinet are equipped with lower shell, upper shell is installed at the top of the lower shell, the cutter shaft box house is equipped with the cutter shaft arranged vertically, the cutter shaft passes through the center of lower shell, and the moving knife component for crushing is installed in the shaft end being located inside lower shell, stationary knife component for matching with moving knife component is installed on the inner sidewall of the lower shell；Transmission mechanism for connecting motor and cutter shaft is installed inside the supporting box.It can be used in crushing plastic film, chemical fibre waste material, be granulated, put into reproduction, and then realize the recovery processing of plastic waste；The crushing that the machine is suitable for the waste materials such as flexible plastic pipe, film, silk, band, piece is granulated, and can carry out mixing coloring to virgin material or new old material.

Description

Plastic crushing, mixing and granulating machine

technical field

The utility model belongs to the field of plastic recycling and processing equipment, in particular to a plastic crushing, mixing and granulating integrated machine, which is suitable for recycling waste bags of high-quality control plastic bags.

Background technique

In the process of producing high-quality medical plastic bags for medical use, a certain amount of waste plastic bags will be produced, and the raw material price of such plastic bags is relatively high. In order to save costs, it is usually necessary to crush and granulate the film of scrap plastic bags , re-use, different recycling equipment is required in this recycling process. At present, the commonly used recycling processes mainly include the following:

First, directly adopt the existing plastic crusher to crush the plastic bags, and then recycle them. This crushing and recycling method can only break large pieces of plastic bags into small pieces of plastic sheets from the physical structure. The specific gravity of such plastic sheets is small. When feeding the hopper, due to the light specific gravity, the particle size cannot be guaranteed, and the plastic sheets are piled up and arched, which makes it impossible to realize automatic feeding, which leads to the inability of the blow molding machine to work efficiently, which seriously restricts the production efficiency.

Second, the recycling process of plastic extruder combined with granulator. This kind of recycling process first needs to heat and melt waste plastics, then extrude them into wires by an extruder, and cool them with water. After cooling, they are re-cut and granulated by a granulator to make them into granules. Shape, and then reused in the blow molding machine. In the above-mentioned process, multiple equipments are needed, and each equipment is connected by an automatic line, which occupies a relatively large area. In addition, the above-mentioned process needs to consume more energy, resulting in a waste of resources; Moreover, through the above-mentioned process, the plastic needs to be reheated and melted. During this process, the molecular structure of the plastic is easily damaged, which affects its subsequent reuse; and the above-mentioned process is relatively complicated.

Utility model content

The purpose of this utility model is to provide a plastic crushing, mixing and granulating integrated machine, which can be used to crush plastic film and chemical fiber waste, granulate, put into reproduction, and then realize the recycling of plastic waste; this machine is suitable for soft Crushing and granulation of waste materials such as plastic pipes, films, wires, tapes, sheets, etc., and can mix and color new materials or new and old materials. It can also crush and granulate all kinds of oil-free, flow-spun and oily waste silk, which are mainly polyester fiber waste.

In order to achieve the above technical features, the purpose of this utility model is achieved as follows: plastic crushing, mixing and granulation integrated machine, it includes a support box, the top end of the support box is installed with a motor upside down, on the side of the motor A cutter shaft box is installed, the top of the cutter shaft box is supported by a lower cylinder, the top of the lower cylinder is equipped with an upper cylinder, and a vertically arranged cutter shaft is installed inside the cutter shaft box , the knife shaft passes through the center of the lower cylinder, and a movable knife assembly for crushing is installed at the shaft end inside the lower cylinder, and a movable knife assembly for matching with the movable knife assembly is installed on the inner side wall of the lower cylinder. The fixed knife assembly; the transmission mechanism for connecting the motor and the knife shaft is installed inside the support box.

The transmission mechanism includes a driving pulley installed on the output shaft of the motor, the driving pulley is engaged with the driven pulley for transmission through a belt, the driven pulley is fixedly installed on the cutter shaft, and the cutter shaft passes through the bearing The seat is installed on the cutter shaft housing.

An automatic discharge device is installed on the bottom side wall of the lower cylinder, the automatic discharge device includes a plugging cover arranged on the inner side wall of the lower cylinder, the plugging cover is installed at the end of the piston rod of the open cylinder, The opening cylinder is fixedly installed on the cylinder fixing seat, and the outer wall of the lower cylinder is connected with a discharge hopper at a position communicating with the plugging cover, and the discharge hopper is arranged directly above the collecting box.

The moving knife assembly includes a moving knife bar installed on the knife shaft, the two ends of the moving knife bar are equipped with paddles through first bolts, and the top end surface of the paddle is fixed with a moving knife through second bolts, One side of the moving knife is provided with a blade, and the bottom end surface of the paddle is provided with a throwing block for turning over the pulverized plastic.

The fixed knife assembly includes a fixed knife, and the tail of the fixed knife is provided with a knife rod mounting plate, and the knife rod mounting plate is fixed and installed on the flange plate on the outer wall of the lower cylinder through flange bolts.

The flange plate is processed with a plurality of waist-shaped flange holes for matching with flange bolts, and realizes the adjustment of the installation angle of the knife rod mounting plate; the cross section of the fixed knife adopts a fan-shaped cross section.

The lower cylinder and the upper cylinder are connected by flange plates, and a sealing gasket is provided between the flange plates; a feeding hopper is provided on the top of the above-mentioned upper cylinder, and a The pin shaft is hinged with a top cover plate, and the top cover plate is uniformly processed with air holes, and the end of the top cover plate away from the pin shaft is fixedly equipped with a handle.

A water inlet pipe is connected to the top side wall of the upper cylinder, and the water inlet pipe is connected to a water supply pipe through an electric control valve, and the water supply pipe is connected to a water source.

The upper cylinder and the lower cylinder adopt a multi-layer composite structure, and the cylinder shells of the two are rolled and welded by steel plates; the inner tank is made of stainless steel, and the inner surface is polished. The gaps are filled with insulating rock wool boards.

The utility model has the following beneficial effects:

1. By adopting the plastic crushing, mixing and granulating integrated machine of the utility model, plastic and chemical fiber waste can be crushed and granulated. After the crushing and granulation is completed, the recycled materials can be directly put into reproduction, which greatly simplifies The traditional plastic recycling process reduces the investment in equipment, reduces the cost of recycling and reuse, and saves resources.

2. The all-in-one machine of the utility model is also suitable for crushing and granulating waste materials such as soft plastic pipes, films, wires, tapes, sheets, etc., and can mix and color new materials or new and old materials. It can also crush and granulate all kinds of oil-free, flow-spun and oily waste silk, which are mainly polyester fiber waste.

3. Through the above-mentioned belt transmission mechanism, the power can be transmitted to the driving pulley through the motor, then to the belt from the driving pulley, and then to the driven pulley through the belt, and finally to the cutter shaft through the driven pulley. Finally drives the moving knife assembly.

4. Through the above-mentioned automatic discharge device, it is ensured that the granulator can prevent the material from leaking out during the normal working process, and after the granulation is completed, it can be discharged from the discharge hopper. During operation, the opening and closing of the plugging cover can be driven by opening the cylinder, thereby realizing the discharge process.

5. Through the above-mentioned moving knife assembly, during the working process, the knife shaft can drive the moving knife rod, and the moving knife rod can drive the paddle, and then drive the moving knife and the throwing block synchronously through the paddle, and the moving knife will be connected with The fixed knife assembly cooperates to shred the material bag, and the throwing block will turn over the shredded material at high speed, causing friction and heat generation between the materials.

6. By adopting the waist-shaped flange hole, the fixed knife can be rotated within a certain range, so that the user can adjust the gap between the cutting edge of the fixed knife and the moving knife according to the waste type and material.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a three-dimensional view of the utility model from a first perspective.

Fig. 2 is a three-dimensional view of the utility model in a second perspective.

Fig. 3 is a schematic diagram of the internal structure of the upper cylinder and the lower cylinder of the present invention.

In the figure: collection box 1, opening cylinder 2, discharge hopper 3, cylinder fixing seat 4, flange bolt 5, cutter rod mounting plate 6, flange plate 7, lower cylinder body 8, flange plate 9, upper cylinder body 10. Handle 11, top cover 12, vent hole 13, pin shaft 14, feed hopper 15, water inlet pipe 16, support box 17, cutter shaft box 18, motor 19, hook 20, inspection cover 21, Electric control valve 22, water supply pipe 23, fixed knife 24, second bolt 25, plugging cover 26, blade 27, moving knife 28, throwing block 29, paddle 30, first bolt 31, knife shaft 32, moving knife Rod 33.

Detailed ways

Embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

Example 1:

As shown in Figure 1-3, the integrated plastic crushing, mixing and granulating machine includes a support box 17, a motor 19 is installed upside down on the top end of the support box 17, and a cutter shaft box is installed on the side of the motor 19. Body 18, the top of the cutter shaft case 18 is supported with a lower cylinder 8, the top of the lower cylinder 8 is equipped with an upper cylinder 10, and the inside of the cutter shaft case 18 is equipped with a vertically arranged knife shaft 32, the knife shaft 32 passes through the center of the lower cylinder body 8, and a moving knife assembly for crushing is installed at the shaft end located inside the lower cylinder body 8, and the inner wall of the lower cylinder body 8 is equipped with a A fixed knife assembly matched with the moving knife assembly; a transmission mechanism for connecting the motor 19 and the knife shaft 32 is installed inside the support box 17 . The all-in-one machine with the above structure can be used for crushing, granulating and recycling of plastic films and plastic bags, replacing the traditional recycling process. During use, the transmission mechanism is driven by the motor 19, and then the cutter shaft is driven by the transmission mechanism. 32, and the above-mentioned moving knife assembly is driven by the knife shaft 32. Through the cooperation between the moving knife assembly and the fixed knife assembly, the plastic inside the cylinder is effectively crushed. During the crushing process, the chopped material is under the centrifugal force Under the action of the cylinder, it rotates along the inner wall of the cylinder. At the same time, it is turned up and down by the action of the moving knife assembly, moving from the periphery of the cylinder to the center; during high-speed rotation, the friction between the materials and the friction between the material and the cylinder and the blade generates a large amount of frictional heat, which makes the material quickly heat up to semi-plastic When the material is about to agglomerate, spray the pre-prepared quantitative cold water into the cylinder. When the cold water meets the hot material, it will vaporize quickly and take away the heat on the surface of the material; the plastic will be partially solidified, and the material that has not been completely agglomerated will be broken into irregular particles by the shearing action of the moving knife and the fixed knife, and finally the granular material will be crushed. Discharge through the discharge port to complete granulation.

Further, the transmission mechanism includes a driving pulley installed on the output shaft of the motor 19, the driving pulley is engaged with the driven pulley for transmission through a belt, and the driven pulley is fixedly installed on the cutter shaft 32, so The cutter shaft 32 is installed on the cutter shaft casing 18 through a bearing seat. Through the above-mentioned belt transmission mechanism, the power can be transmitted to the driving pulley by the motor 19, then to the belt by the driving pulley, and to the driven pulley by the belt, and finally to the cutter shaft 32 by the driven pulley. Finally drives the moving knife assembly.

Further, an automatic discharge device is installed on the bottom side wall of the lower cylinder body 8, and the automatic discharge device includes a plugging cover 26 arranged on the inner side wall of the lower cylinder body 8, and the plugging cover 26 is installed on the The end of the piston rod of the opening cylinder 2 is fixedly installed on the cylinder holder 4, and the outer wall of the lower cylinder 8 is connected with a discharge hopper 3 at a position communicating with the plugging cover 26. The discharge hopper 3 is arranged directly above the collecting box 1 . Through the above-mentioned automatic discharge device, it is ensured that the granulator can prevent the material from leaking out during the normal working process, and after the granulation is completed, it can be discharged from the discharge hopper 3 . During operation, the opening and closing of the blocking cover 26 can be driven by opening the cylinder 2, thereby realizing the discharging process.

Further, the moving knife assembly includes a moving knife bar 33 installed on the knife shaft 32, the two ends of the moving knife bar 33 are equipped with paddles 30 through first bolts 31, and the top end surface of the paddle 30 passes through The second bolt 25 is fixedly mounted with a movable knife 28, one side of the movable knife 28 is provided with a blade 27, and the bottom end surface of the paddle 30 is provided with a throwing block 29 for turning over the pulverized plastic. Through the above-mentioned moving knife assembly, during the working process, the knife shaft 32 can drive the moving knife bar 33, and the moving knife bar 33 drives the paddle 30, and then drives the moving knife 28 and the throwing block 29 synchronously through the paddle 30, The movable knife 28 will cooperate with the fixed knife assembly to chop the material bag, and the throwing block 29 will turn over the chopped material at a high speed, so that friction and heat will be generated between the materials.

Further, the fixed knife assembly includes a fixed knife 24, the tail of the fixed knife 24 is provided with a knife bar installation plate 6, and the knife bar installation plate 6 is fixed and installed on the outer wall of the lower cylinder 8 through flange bolts 5. On the blue plate 7. The fixed knife assembly with the above structure can cooperate with the moving knife assembly during the working process, thereby realizing the material chopping process.

Further, the flange plate 7 is processed with a plurality of waist-shaped flange holes for matching with the flange bolts 5, and realizes the adjustment of the installation angle of the knife rod mounting plate 6; the section of the fixed knife 24 adopts fan-shaped section. By adopting the waist-shaped flange hole, it is ensured that the fixed knife 24 can rotate within a certain range, so that the user can adjust the gap between the cutting edge of the fixed knife and the movable knife according to the type and material of waste.

Preferably, the adjustment range of the fixed knife 24 is 0-15°, and the gap between the fixed knife 24 and the movable knife 28 is 2-3 mm.

Further, the flange plate 9 is used to cooperate and connect the lower cylinder body 8 and the upper cylinder body 10, and a gasket is provided between the flange plates 9; the mating surface of the lower simplified flange is inlaid with rubber asbestos packing It is sealed to prevent powder and water vapor from escaping, and to reduce noise. The upper cylinder can be rotated 360 degrees relative to the lower cylinder, which is convenient for dismantling and sharpening the blade, adjusting the gap between the blades and maintenance and cleaning.

Further, the top of the above-mentioned upper cylinder 10 is provided with a feed hopper 15, and a top cover 12 is hinged on the feed hopper 15 through a pin 14, and the top cover 12 is uniformly processed with ventilation holes 13 , a handle 11 is fixedly mounted on the end of the top cover 12 away from the pin shaft 14 . During the working process, the top cover plate 12 can be sealed to prevent materials from splashing. In addition, the top cover plate 12 ensures that the purpose of heat preservation can be achieved in the subsequent heating process, and the plastic Rapidly heat up to a semi-plasticized state. At this time, the temperature of the material is about 90°, and then through the above-mentioned vent hole 13, it can ensure rapid heat dissipation during the spraying and cooling process, and ensure that the water vapor can be discharged quickly.

Further, a water inlet pipe 16 is connected to the top side wall of the upper cylinder 10, and the water inlet pipe 16 is connected to a water supply pipe 23 through an electric control valve 22, and the water supply pipe 23 is connected to a water source. Cooling water can be conveniently injected into the barrel through the water inlet pipe 16, thereby achieving the purpose of cooling the material, and automatic control can be realized through the electronically controlled valve 22, thereby improving the degree of automatic control.

Further, the upper cylinder 10 and the lower cylinder 8 buckets adopt a multi-layer composite structure, and the shells of the two cylinders are rolled and welded by steel plates; the inner tank is made of stainless steel, and the inner surface is polished. The gap between the cylinder shells is filled with insulating rock wool boards to prevent heat dissipation. Through polishing, to ensure wear resistance, corrosion resistance, and non-stick materials.

Further, a hook 20 is connected to the side wall of the supporting box 17, and an inspection cover 21 is installed on the side wall. The whole equipment can be hoisted and transported conveniently through the above-mentioned hook 20 , and the transmission mechanism inside the support box 17 can be easily repaired through the inspection cover plate 21 .

Furthermore, the above-mentioned all-in-one machine can be used for crushing and granulating waste materials such as soft plastic pipes, films, threads, strips, sheets, etc., and can mix and color new materials or new and old materials. It can also crush and granulate all kinds of oil-free, flow-spun and oily waste silk, which are mainly polyester fiber waste.

Further, the number of said fixed knife assemblies is at least 3 groups.

Preferably, in this embodiment, there are 6 sets of fixed knife assemblies, and 2 sets of movable knife assemblies.

Example 2:

Any one of the plastic crushing, kneading and granulation integrated machine recycling method for plastic granulation is characterized in that it comprises the following steps:

Step1: Put a certain amount of waste plastic bags into the upper cylinder 10 and the lower cylinder 8 through the feed hopper 15;

Step2: Start the motor 19, drive the knife shaft 32 to rotate at a high speed through the motor 19, and cut into pieces through the shearing action between the high-speed rotating movable knife 28 and the fixed knife 24;

Step3: The chopped material rotates along the inner wall of the cylinder under the action of centrifugal force; at the same time, it is turned up and down by the action of the blade pulp 30, and moves from the periphery of the cylinder to the center; during high-speed rotation, the materials and the material and the cylinder 1. The friction between the cutter bodies generates a large amount of frictional heat, which makes the material quickly heat up to a semi-plasticized state, and stick to each other into small pieces;

Step4: When the material is about to agglomerate, spray the pre-prepared quantitative cold water into the cylinder through the water inlet pipe 16; when the cold water encounters the hot material, it will vaporize quickly and take away the heat on the surface of the material, so that the material can be quickly rearranged Plasticized into small pieces;

Step5: The materials that have not been completely agglomerated are broken into irregular granular materials again by the shearing action of the movable knife 28 and the fixed knife 24;

Step6: After all the materials are pulverized, start and open the cylinder 2, and then open the plugging cover 26, and the granular materials are discharged through the discharge hopper 3.

Example 3:

The normal use process of the utility model is:

1. No-load test run

The test run of the machine should be conducted under the guidance of skilled personnel. In case of accidents.

(1) Check whether there is debris in the cylinder. If any, it should be cleared.

(2) Turn on the power and start the motor. When running empty, the machine should be stable without shock and obvious vibration. If there is any abnormality, stop and check immediately.

(3) If there is no abnormality, stop and check after the empty car runs for twenty minutes.

(4) If there is no looseness of the fasteners and no abnormality of the machine, it can enter the load operation.

2. Load operation

(1) After the no-load operation is normal, carry out the continuous load operation test for not less than two hours. Technicians must predetermine the temperature and amount of water spraying for the granulated materials before the load operation. To clean up the processed waste film, it is required to distinguish the types and be clean and free of debris. Blocks should be pre-broken.

(2) Add loose materials evenly into the barrel. Material accumulation should be avoided, while material entanglement on the spindle should be avoided.

(3) When feeding materials, it should be noted that the motor load should not exceed the rated current of 30-40A. If it exceeds the standard, the feed should be added slowly, and then added gradually after the current decreases.

(4) Pay close attention to material movement. When the material reaches a semi-plasticized state and begins to agglomerate, due to the increase in the viscosity of the material, the motor load will increase significantly, and the current will increase significantly. At this time, water should be sprayed immediately.

(5) Open the gate and discharge the material in time.

(6) After discharging, close the ram and start the second operation. Usually 7 to 4 minutes to complete a cycle.

The above-described embodiments are used to explain the utility model, rather than to limit the utility model. Within the spirit of the utility model and the protection scope of the claims, any modifications and changes made to the utility model all fall into the scope of the utility model. scope of protection.

Claims (9)

1. Plastic crushing, mixing and granulating integrated machine, characterized in that it includes a support box (17), and a motor (19) is installed upside down on the top end of the support box (17), and on the side of the motor (19) A cutter shaft box (18) is installed on the side, and a lower cylinder (8) is installed on the top support of the cutter shaft box (18), and an upper cylinder (10) is installed on the top of the lower cylinder (8) , the cutter shaft box (18) is equipped with a vertically arranged cutter shaft (32), the cutter shaft (32) passes through the center of the lower cylinder (8), and is located in the lower cylinder (8) A moving knife assembly for crushing is installed on the inner shaft end, and a fixed knife assembly for matching with the moving knife assembly is installed on the inner wall of the lower cylinder (8); It is used to connect the transmission mechanism of motor (19) and cutter shaft (32). 2. The integrated plastic crushing, mixing and granulating machine according to claim 1, characterized in that: the transmission mechanism includes a driving pulley installed on the output shaft of the motor (19), and the driving pulley communicates with the driven pulley through a belt. The driving pulley is meshed for transmission, and the driven pulley is fixedly installed on the cutter shaft (32), and the cutter shaft (32) is installed on the cutter shaft case (18) through a bearing seat. 3. The integrated plastic crushing, mixing and granulating machine according to claim 1, characterized in that: an automatic discharge device is installed on the bottom side wall of the lower cylinder (8), and the automatic discharge device includes a set The plugging cover (26) on the inner wall of the lower cylinder (8), the plugging cover (26) is installed at the end of the piston rod of the opening cylinder (2), and the opening cylinder (2) is fixedly installed on the cylinder fixing seat (4), on the outer wall of the lower cylinder (8) and connected with the plugging cover (26), there is a discharge hopper (3), and the discharge hopper (3) is arranged in the collection box ( 1) directly above. 4. The plastic crushing, mixing and granulating integrated machine according to claim 1, characterized in that: the moving knife assembly includes a moving knife rod (33) installed on the knife shaft (32), and the moving knife rod ( The two ends of 33) are equipped with paddles (30) through the first bolts (31), and the top end surface of the paddles (30) is fixed with the moving knife (28) through the second bolts (25). One side of (28) is provided with a blade (27), and the bottom end surface of the paddle (30) is provided with a throwing block (29) for turning over the pulverized plastic. 5. The integrated plastic crushing, mixing and granulating machine according to claim 1, characterized in that: the fixed knife assembly includes a fixed knife (24), and the tail of the fixed knife (24) is provided with a knife rod mounting plate ( 6), the cutter rod mounting plate (6) is fixedly installed on the flange plate (7) on the outer wall of the lower cylinder (8) through flange bolts (5). 6. The integrated plastic crushing, mixing and granulating machine according to claim 5, characterized in that: the flange (7) is processed with a plurality of waist-shaped joints for matching with the flange bolts (5). blue hole, and realize the adjustment of the installation angle of the knife rod mounting disc (6); the section of the fixed knife (24) adopts a sector section. 7. The integrated plastic crushing, mixing and granulating machine according to claim 1, characterized in that: the lower cylinder (8) and the upper cylinder (10) are connected by a flange plate (9), A sealing gasket is provided between the flange plates (9); a feed hopper (15) is provided on the top of the above-mentioned upper cylinder (10), and the feed hopper (15) is hinged by a pin shaft (14). The top cover (12), the top cover (12) is uniformly processed with ventilation holes (13), and the end of the top cover (12) away from the pin shaft (14) is fixedly equipped with a handle (11) . 8. The integrated plastic crushing, mixing and granulating machine according to claim 1, characterized in that: a water inlet pipe (16) is connected to the top side wall of the upper cylinder (10), and the water inlet pipe (16) The electric control valve (22) is connected with the water supply pipe (23), and the water supply pipe (23) is connected with the water source. 9. The integrated plastic crushing, mixing and granulating machine according to claim 1, characterized in that: the buckets of the upper cylinder (10) and the lower cylinder (8) adopt a multi-layer composite structure, and the shells of the two cylinders are It is made of steel plate rolled and welded; the inner tank is made of stainless steel, the inner surface is polished, and the gap between the inner tank and the shell of the cylinder is filled with thermal insulation rock wool board.