Granulator for engineering plastic processing

By introducing an air purification mechanism into the granulator, the problem of untreated harmful gases is solved, gas purification is achieved, and the safety of the working environment and the practicality of the equipment are improved.

CN223354870UActive Publication Date: 2025-09-19XIAMEN JINMU IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422685701.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-09-19
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

The existing granulator does not treat the harmful gases generated during use, resulting in an unsafe working environment and reducing the practicality of the equipment.

Method used

An air purification mechanism is introduced into the granulator, including a dehumidification box and an air purification box, which are connected by a first connecting pipe and a second connecting pipe. The first steel plate and the second steel plate are used to reduce the humidity of the gas, the filter screen filters impurities, and the activated carbon purification layer absorbs harmful substances to achieve gas purification.

Benefits of technology

It effectively removes water vapor and harmful substances in the gas, improves the safety of the working environment and the practicality of the equipment, and ensures the safety of the exhaust gas.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223354870U_ABST
    Figure CN223354870U_ABST
Patent Text Reader

Abstract

The utility model discloses a granulator for processing engineering plastics, which comprises an extrusion cylinder, an air purification mechanism arranged at the top of the left end of the extrusion cylinder and a hot melting box arranged at the top of the right end of the extrusion cylinder, the bottom of the extrusion cylinder is fixedly connected with the top of a base, the extrusion cylinder is provided with a discharge head, and a turbine rod is arranged in the extrusion cylinder. The bottom of the first motor is fixedly connected with the top of the right end of the base, a second motor is installed on the top of the hot melting box, the output end of the second motor is fixedly connected with the top of the stirring frame, a movable baffle is installed at the discharging position of the bottom of the hot melting box, and the right end of the movable baffle is fixedly connected with the output end of a hydraulic rod. The hydraulic rod is installed in the right end of the fixing plate, the left end of the fixing plate is welded to the right side of the bottom end of the hot melting box, and a heater is arranged in the side wall of the hot melting box.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of granulator equipment, in particular to a granulator for processing engineering plastics. Background Art

[0002] A granulator is a molding machine that can make materials into specific shapes. It is widely used in chemical, petrochemical, pharmaceutical, food, building materials, mining, environmental protection, printing and dyeing, ceramics, rubber, plastics and other fields. The recycling and resource development of waste plastics is derived from a deep understanding of the environment and resources. It is a production method that reduces the pollution of waste plastics to the environment and reduces the waste of resources. Realizing the recycling and resource utilization of waste plastics is a major event that benefits the country and the people.

[0003] The existing granulators on the market do not treat the harmful gases generated by the granulators when in use. Direct discharge of harmful gases will reduce the safety of the working environment and the practicality of the equipment. Therefore, a granulator for engineering plastic processing is proposed to address the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] A granulator for processing engineering plastics comprises an extrusion barrel, an air purification mechanism installed on the top of the left end of the extrusion barrel, and a hot melt box installed on the top of the right end of the extrusion barrel, the bottom of the extrusion barrel is fixedly connected to the top of the base, the extrusion barrel is provided with a discharge head, a turbine rod is installed inside the extrusion barrel, the right end of the central rotating rod of the turbine rod is fixedly connected to the output end of the first motor, the bottom of the first motor is fixedly connected to the top of the right end of the base, a second motor is installed on the top of the hot melt box, the output end of the second motor is fixedly connected to the top of the stirring frame, a movable baffle is installed at the discharge point at the bottom of the hot melt box, the right end of the movable baffle is fixedly connected to the output end of the hydraulic rod, the hydraulic rod is installed inside the right end of the fixed plate, the left end of the fixed plate is welded to the right side of the bottom end of the hot melt box, and a heater is provided inside the side wall of the hot melt box.

[0006] Preferably, the stirring frame includes a rotating rod, a plurality of stirring rods are installed on both sides of the rotating rod, a wall-attached stirring rod is installed on the outer side of the bottom stirring rod, and the outer side of the wall-attached stirring rod is fitted and connected to the inner wall of the bottom end of the hot melt box.

[0007] Preferably, the upper and lower sides of the movable baffle are smooth planes.

[0008] Preferably, the air purification mechanism includes a dehumidification box fixed on the top of the left end of the extrusion cylinder, the right end of the dehumidification box is connected to the inside of the extrusion cylinder through a first connecting pipe, an air purification box is installed on the top of the dehumidification box, the two ends of the bottom of the air purification box are connected to the top of the dehumidification box through a second connecting pipe, and the top of the air purification box is connected to the bottom of the exhaust pipe.

[0009] Preferably, a first steel plate is installed on the inner sides of the left and right side walls of the dehumidification box, a second steel plate is installed on the inner sides of the front and rear side walls at the top of the dehumidification box, and the first steel plate is located above the second steel plate.

[0010] Preferably, an activated carbon purification layer and a filter are installed inside the air purification box, and the filter is arranged below the activated carbon purification layer.

[0011] Compared with the prior art, the beneficial effects of the present invention are: (1) the second motor drives the stirring frame to rotate, and the rotation of the rotating rod, the bottom stirring rod and the wall stirring rod can make the plastic inside the hot melt box melt more evenly. The wall stirring rod is attached to the inner wall of the bottom end of the hot melt box and rotates. The inner wall of the bottom end of the hot melt box is not easy to accumulate. When the movable baffle moves left and right, the plastic on the surface of the movable baffle will be hung down, preventing the dissolved plastic from accumulating on the surface of the movable baffle, thereby improving the practicality of the equipment.

[0012] (2) The gas inside the extrusion cylinder will enter the dehumidification box through the first connecting pipe. After the dehumidification box dehumidifies the gas, it will enter the air purification box. After the air purification box purifies the gas, the gas will be discharged through the exhaust pipe. The surface temperature of the first steel plate and the second steel plate is relatively low, and the water vapor in the gas will condense into water droplets, and finally drip into the inside of the dehumidification box to prevent the gas humidity from being too high and affecting the activated carbon purification layer. The filter can filter impurities in the gas, and the activated carbon purification layer can absorb harmful substances in the gas, thereby increasing the safety of the exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the front cross-sectional structure of the air purification mechanism of the utility model;

[0017] Figure 4 This is a schematic diagram of the front cross-sectional structure of the hot melt box of the utility model;

[0018] Figure 5 This is a schematic diagram of the front cross-sectional structure of the stirring rack of the present invention.

[0019] Explanation of the reference numerals in the figure: base 1, extrusion cylinder 2, first motor 21, turbine rod 22, hot melt box 3, second motor 31, stirring frame 32, rotating rod 321, bottom stirring rod 322, wall stirring rod 323, heater 33, movable baffle 34, fixed plate 35, hydraulic rod 36, air purification mechanism 4, dehumidification box 40, first connecting pipe 41, first steel plate 42, second steel plate 43, air purification box 44, filter screen 45, activated carbon purification layer 46, discharge head 5. DETAILED DESCRIPTION

[0020] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0022] See also Figure 1-5, the utility model provides an embodiment: a granulator for processing engineering plastics, including an extrusion cylinder 2, an air purification mechanism 4 installed on the top of the left end of the extrusion cylinder 2 and a hot melt box 3 installed on the top of the right end of the extrusion cylinder 2, the bottom of the extrusion cylinder 2 is fixedly connected to the top of the base 1, a turbine rod 22 is installed inside the extrusion cylinder 2, the right end of the center rotating rod of the turbine rod 22 is fixedly connected to the output end of the first motor 21, the first motor 21 can drive the turbine rod 22 to rotate, and the turbine rod 22 can extrude the plastic after hot melting inside the extrusion cylinder 2, the bottom of the first motor 21 is fixedly connected to the top of the right end of the base 1, the top of the hot melt box 3 is equipped with a second motor 31, and the output end of the second motor 31 is connected to the stirring frame 32 is fixedly connected at the top, the second motor 31 can drive the stirring frame 32 to rotate, and a movable baffle 34 is installed at the bottom discharge of the hot melt box 3, and the right end of the movable baffle 34 is fixedly connected to the output end of the hydraulic rod 36. The telescopic end of the hydraulic rod 36 can drive the movable baffle 34 to move left and right. When the movable baffle 34 moves to the right, the bottom discharge port of the hot melt box 3 will be in an open state. When the movable baffle 34 moves to the left, the bottom discharge port of the hot melt box 3 will be in a closed state. The hydraulic rod 36 is installed inside the right end of the fixed plate 35, and the left end of the fixed plate 35 is welded to the right side of the bottom end of the hot melt box 3. A heater 33 is provided inside the side wall of the hot melt box 3, and the heater 33 heats the internal space of the hot melt box 3, thereby hot melting the plastic.

[0023] The stirring frame 32 includes a rotating rod 321, and multiple stirring rods 322 are installed on both sides of the rotating rod 321. The outer side of the bottom stirring rod 322 is equipped with a wall-attached stirring rod 323. The outer side of the wall-attached stirring rod 323 is connected to the inner wall of the bottom end of the hot melt box 3. The wall-attached stirring rod 323 is attached to the inner wall of the bottom end of the hot melt box 3 and rotates, so the inner wall of the bottom end of the hot melt box 3 is not easy to accumulate.

[0024] The upper and lower sides of the movable baffle 34 are smooth planes. When the movable baffle 34 moves left and right, the plastic on the surface of the movable baffle 34 will be hung down, preventing the dissolved plastic from accumulating on the surface of the movable baffle 34.

[0025] The air purification mechanism 4 includes a dehumidification box 40 fixed on the top of the left end of the extrusion cylinder 2. The right end of the dehumidification box 40 is connected to the inside of the extrusion cylinder 2 through a first connecting pipe 41. An air purification box 44 is installed on the top of the dehumidification box 40. The two ends of the bottom of the air purification box 44 are connected to the top of the dehumidification box 40 through a second connecting pipe 47. The top of the air purification box 44 is connected to the bottom of the exhaust pipe 48. The gas inside the extrusion cylinder 2 will enter the dehumidification box 40 through the first connecting pipe 41. After the dehumidification box 40 dehumidifies the gas, it will enter the air purification box 44. After the air purification box 44 purifies the gas, the gas will be discharged through the exhaust pipe 48.

[0026] A first steel plate 42 is installed on the inner side of the left and right side walls of the dehumidification box 40, and a second steel plate 43 is installed inside the front and rear side walls at the top of the dehumidification box 40. The first steel plate 42 is located above the second steel plate 43. When the gas inside the extrusion cylinder 2 contacts the first steel plate 42 and the second steel plate 43, due to the low surface temperature of the first steel plate 42 and the second steel plate 43, the water vapor in the gas will condense into water droplets and finally drip into the inside of the dehumidification box 40, preventing the gas humidity from being too high and affecting the activated carbon purification layer 46.

[0027] The air purification box 44 is equipped with an activated carbon purification layer 46 and a filter 45. The filter 45 is arranged below the activated carbon purification layer 46. The filter 45 can filter impurities in the gas, and the activated carbon purification layer 46 can adsorb harmful substances in the gas, thereby increasing the safety of the exhaust gas.

[0028] When in use, the heater 33 heats the internal space of the hot melt box 3 to melt the plastic, the second motor 31 drives the stirring frame 32 to rotate, and the rotation of the rotating rod 321, the bottom stirring rod 322 and the wall stirring rod 323 can make the plastic inside the hot melt box 3 melt more evenly, and the wall stirring rod 323 is attached to the inner wall of the bottom end of the hot melt box 3 and rotates, and the inner wall of the bottom end of the hot melt box 3 is not easy to accumulate. When the movable baffle 34 moves left and right, the plastic on the surface of the movable baffle 34 will be hung down to prevent the dissolved plastic from accumulating on the surface of the movable baffle 34, thereby improving the practicality of the equipment, and the first motor 21 can drive the turbine rod 22 to rotate, and the rotation of the turbine rod 22 The plastic after internal hot melting is extruded and extruded into shape through the discharge head 5. The gas inside the extrusion cylinder 2 will enter the dehumidification box 40 through the first connecting pipe 41. After the dehumidification box 40 dehumidifies the gas, it will enter the air purification box 44. After the air purification box 44 purifies the gas, the gas will be discharged through the exhaust pipe 48. The surface temperature of the first steel plate 42 and the second steel plate 43 is relatively low, and the water vapor in the gas will condense into water droplets, and finally drip into the inside of the dehumidification box 40 to prevent the gas humidity from being too high and affecting the activated carbon purification layer 46. The filter 45 can filter impurities in the gas, and the activated carbon purification layer 46 can adsorb harmful substances in the gas, thereby increasing the safety of the exhaust gas.

[0029] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A granulator for processing engineering plastics, characterized by: The invention comprises an extrusion cylinder (2), an air purification mechanism (4) installed at the top of the left end of the extrusion cylinder (2), and a hot melt box (3) installed at the top of the right end of the extrusion cylinder (2). The bottom of the extrusion cylinder (2) is fixedly connected to the top of the base (1). The extrusion cylinder (2) is provided with a discharge head (5). A turbine rod (22) is installed inside the extrusion cylinder (2). The right end of the central rotating rod of the turbine rod (22) is fixedly connected to the output end of the first motor (21). The bottom of the first motor (21) is fixedly connected to the top of the right end of the base (1). A second motor (31) is installed on the top of the hot melt box (3), and the output end of the second motor (31) is fixedly connected to the top of the stirring frame (32). A movable baffle (34) is installed at the discharge point at the bottom of the extrusion cylinder (2). The right end of the movable baffle (34) is fixedly connected to the output end of the hydraulic rod (36). The hydraulic rod (36) is installed inside the right end of the fixed plate (35). The left end of the fixed plate (35) is welded to the right side of the bottom end of the hot melt box (3). A heater (33) is provided inside the side wall of the hot melt box (3).

2. A granulator for processing engineering plastics according to claim 1, characterized in that: The stirring frame (32) includes a rotating rod (321), a plurality of stirring rods (322) are installed on both sides of the rotating rod (321), a wall-attached stirring rod (323) is installed on the outside of the bottom stirring rod (322), and the outside of the wall-attached stirring rod (323) is in contact with the inner wall of the bottom end of the hot melt box (3).

3. The granulator for processing engineering plastics according to claim 1, characterized in that: The upper and lower sides of the movable baffle (34) are smooth planes.

4. The granulator for processing engineering plastics according to claim 1, characterized in that: The air purification mechanism (4) includes a dehumidification box (40) fixed to the top of the left end of the extrusion cylinder (2), the right end of the dehumidification box (40) is conductively connected to the inside of the extrusion cylinder (2) through a first connecting pipe (41), an air purification box (44) is installed on the top of the dehumidification box (40), the two ends of the bottom of the air purification box (44) are conductively connected to the top of the dehumidification box (40) through a second connecting pipe (47), and the top of the air purification box (44) is conductively connected to the bottom of the exhaust pipe (48).

5. The granulator for processing engineering plastics according to claim 4, characterized in that: The first steel plate (42) is installed on the inner sides of the left and right side walls of the dehumidification box (40), and the second steel plate (43) is installed inside the front and rear side walls of the top of the dehumidification box (40), and the first steel plate (42) is located above the second steel plate (43).

6. The granulator for processing engineering plastics according to claim 4, characterized in that: An activated carbon purification layer (46) and a filter (45) are installed inside the air purification box (44), and the filter (45) is arranged below the activated carbon purification layer (46).