Raw material heating device for plastic rod manufacturing

By designing a plastic rod heating device including melting tubes and electric heating wires, the problem of uneven heating of plastic raw materials in the prior art is solved, a more efficient and uniform melting process is achieved, and the molding quality of the plastic rod is improved.

CN222645059UActive Publication Date: 2025-03-21GANZHOU HENGXIN PLASTIC IND CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421380738.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-03-21
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

When the hot melting box in existing plastic rod forming machines heats the plastic raw materials, the raw materials are heated unevenly, reducing the melting rate and uniformity.

Method used

A raw material heating device for plastic rod production is designed, including a crushing box, a melting box and a discharge cone. The melting box is equipped with a melting tube and an electric heating wire. The drive motor and the stirring rod are used together to achieve uniform heating and crushing of the raw materials.

Benefits of technology

It improves the melting efficiency and uniformity of the raw materials of plastic rods, improves the molding quality of the later plastic rods, and is simple to operate and efficient.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222645059U_ABST
    Figure CN222645059U_ABST
Patent Text Reader

Abstract

The utility model provides a raw material heating device for plastic rod manufacturing, which comprises a device body, the device body is formed by assembling a crushing box, a melting box and a discharging cone, the two ends of the melting box are respectively communicated with the crushing box and the discharging cone through connecting flanges, and an upper top plate and a lower top plate are respectively arranged at the two ends in the melting box. And a melting pipe is arranged between the upper top plate and the lower top plate. According to the plastic rod raw material melting device, the melting pipe and the electric heating wire are matched for use, so that the plastic rod raw material melting efficiency and uniformity are conveniently improved, a worker starts the electric heating wire during operation, and then the melting pipe is heated by heat generated by the electric heating wire; and then the plastic rod raw materials in the crushing box enter the melting pipes through the second filter and then make contact with the inner walls of the melting pipes, so that the plastic rod raw materials are heated and melted, the mode is easy to operate, the melting uniformity of the plastic rod raw materials is conveniently improved, and the forming quality of plastic rods in the later period is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of plastic rod manufacturing, in particular to a raw material heating device for manufacturing the plastic rod. Background Art

[0002] Plastic rods generally refer to solid cylinders. Solid squares, diamonds and triangles are also called rods. Plastic rods are mainly used to be processed into plastic gears, bolts, bearings and pads on metal cutting machines like round steel. The plastics used for extrusion molding rods are: polyamide, polyoxymethylene, polycarbonate, ABS, polyphenylene ether, polysulfone, polyethylene, polypropylene, polyvinyl chloride and plexiglass. At present, the processing and production of plastic rods mostly rely on hot pressing extrusion molding, that is, the raw materials are melted at high temperature and then extruded into shape.

[0003] For example, Chinese patent publication number CN207724809U discloses an efficient plastic rod forming machine, including an air pump, a raw material box, a hot melt box, a cooling box, a material receiving box and a base, wherein the raw material box and the base are fixedly connected by a bracket, the hot melt box is fixed to the bottom of the raw material box and is connected to the raw material box, the cooling box is fixed to the top of the material receiving box, and the material receiving box is fixed to the base; the cooling box includes an inner wall and an outer wall, a cooling groove, a molding groove and a blanking groove are formed between the inner walls, the molding groove is located between the cooling groove and the blanking groove, and a cold water cavity is formed between the inner wall and the outer wall.

[0004] Since the hot melt box on the plastic rod forming machine heats the plastic raw material to make it molten, the plastic raw material is not easy to be heated evenly, thereby reducing the melting rate and melting uniformity of the plastic raw material.

[0005] Therefore, it is necessary to provide a raw material heating device for making plastic rods to solve the above technical problems. Utility Model Content

[0006] The utility model provides a raw material heating device for making plastic rods, which solves the problems in the background technology.

[0007] In order to solve the above technical problems, the utility model provides a raw material heating device for making plastic rods, including a device body, which is assembled from a crushing box, a melting box and a discharge cone, and the two ends of the melting box are respectively connected to the crushing box and the discharge cone through connecting flanges, and the two ends of the melting box are respectively provided with an upper top plate and a lower top plate, and a melting tube is provided between the upper top plate and the lower top plate, and an electric heating wire is wound on the outer surface of the melting tube, and through holes are opened on the surfaces of the upper top plate and the lower top plate, and the through holes are connected to the melting tube.

[0008] Preferably, a driving motor is installed on the top surface of the crushing box, a main shaft is arranged on the output end of the driving motor through the top surface of the crushing box, a stirring rod is arranged on the surface of the main shaft, and a first crushing blade and a second crushing blade are respectively arranged on the upper and lower sides of the stirring rod on the surface of the main shaft.

[0009] Preferably, a second filter screen is arranged inside the through hole on the upper top plate, and a first filter screen is arranged inside the through hole on the lower top plate.

[0010] Preferably, a plurality of melting tubes are provided, and the plurality of melting tubes are installed at equal distances between the upper top plate and the lower top plate.

[0011] Preferably, a feed hopper is provided through the top surface of the crushing box.

[0012] Preferably, a controller is installed on the outer surface of the device body.

[0013] Compared with the related art, the raw material heating device for making plastic rods provided by the utility model has the following beneficial effects:

[0014] 1. Compared with the prior art, the raw material heating device for making plastic rods is convenient to improve the efficiency and uniformity of melting the plastic rod raw materials by setting the melting tube and the electric heating wire for coordinated use. During operation, the staff starts the electric heating wire, and then the heat generated by the electric heating wire heats the melting tube. Then the plastic rod raw materials inside the crushing box enter the inside of each melting tube through the second filter, and then contact the inner wall of the melting tube to heat and melt it. This method is simple to operate, convenient to improve the uniformity of its melting, and improve the molding quality of the plastic rods in the later stage. By setting the driving motor, the main shaft, the stirring rod, the first crushing blade and the second crushing blade for coordinated use, during operation, the staff puts the plastic rod raw materials into the crushing box inside the device body through the feed hopper, and then starts the driving motor, and then the driving motor drives the main shaft to rotate, and then under the rotation of the main shaft, drives the first crushing blade and the second crushing blade to crush the plastic rod raw materials inside the crushing box. This method is simple to operate, convenient for subsequent melting, and improves the uniformity of its melting.

[0015] The parts not involved in this setting are the same as the existing technology or can be implemented by using the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a raw material heating device for making plastic rods provided by the utility model;

[0017] Figure 2 A schematic diagram of the internal structure of a raw material heating device for making plastic rods provided by the utility model;

[0018] Figure 3 A schematic diagram of the structure of a melting box of a raw material heating device for making plastic rods provided by the utility model;

[0019] Figure 4 The utility model provides a schematic diagram of the structure of a melting tube of a raw material heating device for making plastic rods.

[0020] Numbers in the figure:

[0021] 1. Device body; 2. Crushing box; 3. Melting box; 4. Discharging cone; 5. Connecting flange; 6. Controller; 7. Driving motor; 8. Feed hopper; 9. Spindle; 10. First crushing blade; 11. Stirring rod; 12. Second crushing blade; 13. Melting tube; 14. Electric heating wire; 15. First filter; 16. Second filter; 17. Upper top plate; 18. Through hole; 19. Lower top plate. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] First embodiment

[0024] Please refer to Figure 1-4 A raw material heating device for making plastic rods, comprising a device body 1, wherein the device body 1 is assembled from a crushing box 2, a melting box 3 and a discharge cone 4, wherein both ends of the melting box 3 are respectively connected to the crushing box 2 and the discharge cone 4 through connecting flanges 5, wherein an upper top plate 17 and a lower top plate 19 are respectively provided at both ends of the melting box 3, wherein a melting tube 13 is provided between the upper top plate 17 and the lower top plate 19, wherein an electric heating wire 14 is wound around the outer surface of the melting tube 13, wherein both surfaces of the upper top plate 17 and the lower top plate 19 are provided with through holes 18, wherein the through holes 18 are connected to the melting tube 13.

[0025] By setting up the melting tube 13 and the electric heating wire 14 for use together, it is convenient to improve the efficiency and uniformity of melting the plastic rod raw material, so that during operation, the staff starts the electric heating wire 14, and then the heat generated by the electric heating wire 14 heats the melting tube 13. Then the plastic rod raw material inside the crushing box 2 enters into each melting tube 13 through the second filter, and then contacts the inner wall of the melting tube 13 to heat and melt it. This method is simple to operate, and is convenient to improve the uniformity of its melting, thereby improving the molding quality of the plastic rod in the later stage.

[0026] The working principle of the raw material heating device for making plastic rods provided by the utility model is as follows:

[0027] The raw material heating device for making plastic rods is used so that during operation, the staff puts the plastic rod raw material into the crushing box 2 inside the device body 1 through the feed hopper 8, and then starts the drive motor 7, and then the drive motor 7 drives the main shaft 9 to rotate, and then under the rotation of the main shaft 9, drives the first crushing blade 10 and the second crushing blade 12 to crush the plastic rod raw material inside the crushing box 2. This method is simple to operate, convenient for subsequent melting, and improves the uniformity of its melting. By setting the melting tube 13 and the electric heating wire 14 for coordinated use, it is convenient to improve the efficiency and uniformity of the melting of the plastic rod raw material. During operation, the staff starts the electric heating wire 14, and then the heat generated by the electric heating wire 14 heats the melting tube 13. Then the plastic rod raw material inside the crushing box 2 enters into each melting tube 13 through the second filter, and then contacts the inner wall of the melting tube 13, so as to heat and melt it. This method is simple to operate, convenient for improving the uniformity of its melting, and improves the molding quality of the plastic rod in the later stage.

[0028] Compared with the related art, the raw material heating device for making plastic rods provided by the utility model has the following beneficial effects:

[0029] By setting the melting tube 13 and the electric heating wire 14 for use in combination, it is convenient to improve the efficiency and uniformity of the melting of the plastic rod raw material, so that during operation, the staff starts the electric heating wire 14, and then the heat generated by the electric heating wire 14 heats the melting tube 13, and then the plastic rod raw material inside the crushing box 2 enters the inside of each melting tube 13 through the second filter, and then contacts the inner wall of the melting tube 13, so as to heat and melt it. This method is simple to operate, and it is convenient to improve the uniformity of its melting and improve the molding quality of the plastic rod in the later stage. By setting the driving motor 7, the main shaft 9, the stirring rod 11, the first crushing blade 10 and the second crushing blade 12 for use in combination, so that during operation, the staff puts the plastic rod raw material into the crushing box 2 inside the device body 1 through the feeding hopper 8, and then starts the driving motor 7, and then the driving motor 7 drives the main shaft 9 to rotate, and then under the rotation of the main shaft 9, drives the first crushing blade 10 and the second crushing blade 12 to crush the plastic rod raw material inside the crushing box 2. This method is simple to operate, convenient for subsequent melting, and improves the uniformity of its melting.

[0030] Second embodiment

[0031] Please refer to Figure 1-4 Based on the first embodiment of the present application, a raw material heating device for making a plastic rod is provided. The second embodiment of the present application provides another raw material heating device for making a plastic rod. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0032] Specifically, the second embodiment of the present application provides a raw material heating device for making plastic rods, which is different in that a driving motor 7 is installed on the top surface of the crushing box 2, and a main shaft 9 is arranged on the output end of the driving motor 7 passing through the top surface of the crushing box 2, and a stirring rod 11 is arranged on the surface of the main shaft 9, and a first crushing blade 10 and a second crushing blade 12 are respectively arranged on the upper and lower sides of the stirring rod 11 on the surface of the main shaft 9. By setting the driving motor 7, the main shaft 9, the stirring rod 11, the first crushing blade 10 and the second crushing blade 12 are used in coordination, so that during operation, the staff puts the plastic rod raw material into the crushing box 2 inside the device body 1 through the feed hopper 8, and then starts the driving motor 7, and then the driving motor 7 drives the main shaft 9 to rotate, and then under the rotation of the main shaft 9, the first crushing blade 10 and the second crushing blade 12 are driven to crush the plastic rod raw material inside the crushing box 2. This method is simple to operate, convenient for subsequent melting, and improves the uniformity of its melting.

[0033] With this technical solution, a second filter 16 is disposed inside the through hole 18 on the upper top plate 17, and a first filter 15 is disposed inside the through hole 18 on the lower top plate 19. The first filter 15 and the second filter 16 facilitate filtering of the plastic rod raw material.

[0034] With this technical solution, a plurality of melting tubes 13 are provided, and the plurality of melting tubes 13 are installed at equal distances between the upper top plate 17 and the lower top plate 19 . By providing a plurality of melting tubes 13 , the working efficiency can be improved.

[0035] With this technical solution, a feeding hopper 8 is provided through the top surface of the crushing box 2. The provision of the feeding hopper 8 facilitates the input of the plastic rod raw material.

[0036] With this technical solution, a controller 6 is installed on the outer surface of the device body 1. By setting up the controller 6, it is convenient to control the electrical components inside the device body 1. The control circuit of the controller 6 can be realized by simple programming by technicians in this field. It is common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection will not be described in detail.

[0037] It should be noted that all kinds of components used in this application document are standard parts and can be purchased on the market. The specific connection methods of each part adopt conventional means such as mature bolts, rivets and welding in the existing technology. Machinery, parts and electrical equipment all adopt conventional models in the existing technology. Circuit connections adopt conventional connection methods in the existing technology. Electrical equipment are connected to an external safe power supply, and no specific description is given here.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A raw material heating device for making plastic rods, comprising a device body (1), characterized in that: The device body (1) is assembled from a crushing box (2), a melting box (3) and a discharge cone (4); the two ends of the melting box (3) are respectively connected to the crushing box (2) and the discharge cone (4) through connecting flanges (5); an upper top plate (17) and a lower top plate (19) are respectively arranged at the two ends inside the melting box (3); a melting tube (13) is arranged between the upper top plate (17) and the lower top plate (19); an electric heating wire (14) is wound around the outer surface of the melting tube (13); through holes (18) are opened on the surfaces of the upper top plate (17) and the lower top plate (19); and the through holes (18) are connected to the melting tube (13).

2. A raw material heating device for making plastic rods according to claim 1, characterized in that: A driving motor (7) is installed on the top surface of the crushing box (2); a main shaft (9) is arranged on the output end of the driving motor (7) penetrating through the top surface of the crushing box (2); a stirring rod (11) is arranged on the surface of the main shaft (9); and a first crushing blade (10) and a second crushing blade (12) are respectively arranged on the upper and lower sides of the stirring rod (11) on the surface of the main shaft (9).

3. A raw material heating device for making plastic rods according to claim 1, characterized in that: A second filter screen (16) is disposed inside the through hole (18) on the upper top plate (17), and a first filter screen (15) is disposed inside the through hole (18) on the lower top plate (19).

4. A raw material heating device for making plastic rods according to claim 1, characterized in that: A plurality of the melting tubes (13) are provided, and the plurality of melting tubes (13) are installed at equal distances between the upper top plate (17) and the lower top plate (19).

5. A raw material heating device for making plastic rods according to claim 1, characterized in that: A feeding hopper (8) is provided through the top surface of the crushing box (2).

6. A raw material heating device for making plastic rods according to claim 1, characterized in that: A controller (6) is installed on the outer surface of the device body (1).

Citation Information

Patent Citations

  • Efficient sticking plaster make -up machine

    CN207724809U