Thermoplastic extrusion equipment

Abstract

The utility model relates to the technical field of extrusion equipment, and discloses thermoplastic extrusion equipment which comprises an extrusion mechanism, the extrusion mechanism comprises a fixed box, an output box is fixedly arranged on one side of the upper end of the fixed box, an extrusion pipe is fixedly arranged on the other side of the output box, and a screening mechanism is fixedly arranged on one side of the upper end of the extrusion pipe. The screening mechanism comprises a feeding port, a discharging connecting port is fixedly formed in the other side of the extrusion pipe, a discharging mechanism is arranged on the other side of the discharging connecting port in a threaded mode, the discharging mechanism comprises a material distributing pipe, discharging holes are formed in the two sides and the front end of the material distributing pipe, and a fixing ring is fixedly arranged at the upper middle end of the inner wall of the feeding port. A mounting ring is fixedly arranged at the upper end of the fixing ring through threads, and spring plates are fixedly arranged at the positions, close to the inner periphery, of the lower end of the mounting ring. According to the plastic raw material screening device, the screening mechanism is beneficial to screening plastic raw materials, so that the plastic raw materials are more uniform, and the quality of subsequent plastic parts is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of extrusion equipment, in particular to a thermoplastic extrusion equipment. Background Art

[0002] Thermoplastic extrusion equipment is a mechanical device that uses heat energy to soften plastic materials and extrude them through a mold of a specific shape. It is widely used in the production of plastic products such as pipes, films, rods, and profiles. The working principle of thermoplastic extrusion equipment is based on the principles of thermodynamics and fluid mechanics. First, plastic particles are fed into a heated barrel. Under the action of the rotating screw, the plastic particles are heated, mixed, and pushed to the front end of the barrel. As the temperature and pressure increase, the plastic reaches a molten state and is then extruded through a mold to form the desired shape. Finally, the extruded plastic is cooled and shaped to complete the entire extrusion process.

[0003] The feed port of traditional thermoplastic extruders usually drives the plastic raw materials into the barrel through the rotation of the screw. There is no filtering device at the feed port. When the plastic raw materials are processed unevenly, larger plastic raw materials may enter the barrel, which may easily cause blockage or uneven heating, affecting the quality of the plastic parts after extrusion.

[0004] Therefore, the present invention provides a thermoplastic extrusion device to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a thermoplastic extrusion device. The device is provided with a screen inside the feed port of the extrusion mechanism. By shaking the screen up and down, plastic raw materials of appropriate size can be delivered to the barrel, and larger plastic raw materials will be filtered at the upper end, which is beneficial to enhance the size uniformity of the raw materials, improve the quality of plastic parts, and facilitate use.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a thermoplastic extrusion device, comprising an extrusion mechanism, the extrusion mechanism comprising a fixed box, an output box fixedly provided on one side of the upper end of the fixed box, an extrusion tube fixedly provided on the other side of the output box, a screening mechanism fixedly provided on one side of the upper end of the extrusion tube, the screening mechanism comprising a feed port, a discharge connection port fixedly provided on the other side of the extrusion tube, a discharge mechanism threadedly provided on the other side of the discharge connection port, the discharge mechanism comprising a distribution pipe, and discharge holes are provided on both sides and the front end of the distribution pipe;

[0007] A fixing ring is fixedly provided at the upper end of the inner wall of the feed port, a mounting ring is fixedly provided at the upper end of the fixing ring by a thread, a spring plate is fixedly provided at the inner periphery of the lower end of the mounting ring, and a screen is fixedly provided at the lower end of the spring plate by a thread;

[0008] Through the above technical solution, the fixed box is conducive to fixing the position of the output box, the output box is conducive to the installation of the extrusion tube, and is conducive to driving the internal threaded rod to rotate and feed the material. The screening mechanism is conducive to screening the plastic raw materials and improving the uniformity of the raw materials. The feed port is conducive to the entry of materials, the discharge connection port is conducive to the threaded installation with the discharge mechanism, the discharge mechanism is conducive to discharging, the distribution pipe is conducive to cooperating with the discharge hole to control the discharge position, the fixed ring is conducive to the threaded installation of the mounting ring, the mounting ring is conducive to the fixed installation of the lower end spring plate, and the spring plate is conducive to cooperating with the screen to sieve the plastic raw materials up and down, making the plastic raw materials more uniform.

[0009] Furthermore, a fixing rod is fixedly provided at the middle and lower position of the inner wall on the other side of the feed port, and a hydraulic rod is fixedly provided at one side of the upper end of the fixing rod;

[0010] Through the above technical solution, the fixed rod is conducive to the installation and fixation of the hydraulic rod, and the hydraulic rod is conducive to pushing the screen up and down to shake the raw materials.

[0011] Furthermore, a protective box is fixedly provided on both sides of the rear end and the middle of the lower end of the distribution pipe, and a connecting block is fixedly provided at the middle of the rear end of the distribution pipe;

[0012] Through the above technical solution, the protective box is conducive to protecting the internal motor, and the connecting block is conducive to threaded connection with the discharge connection port.

[0013] Furthermore, a plurality of motors are fixedly installed inside the protection boxes, and a plurality of ball valve cores are fixedly installed at the output ends of the motors;

[0014] Through the above technical solution, the motor is conducive to driving the valve core of the ball valve to rotate and adjust the closing of the discharge hole.

[0015] Furthermore, a mixing port is fixedly provided at the other side of the upper end of the extrusion tube, and a mounting rod is fixedly provided at the rear end of the mixing port and one side of the feed port;

[0016] Through the above technical solution, the mixing port facilitates other materials to enter the extrusion tube, and the mounting rod facilitates the installation and fixation of the mixing port and the feed port.

[0017] Furthermore, a heating outer tube is fixedly provided at the middle position of the outer surface of the extruded tube by means of a thread;

[0018] Through the above technical solution, heating the outer tube is beneficial to heating the internal plastic raw material and melting it.

[0019] Furthermore, the inner surface of the distribution pipe is sprayed with an oil film layer to prevent sticking problems;

[0020] Through the above technical solution, the oil film layer helps to prevent the plastic from sticking to the inner wall of the distribution pipe.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model proposes a thermoplastic extrusion equipment. The feed port of traditional thermoplastic extrusion equipment usually drives the plastic raw material into the barrel through the rotation of the screw. There is no filtering device at the feed port. When the plastic raw material is processed unevenly, larger plastic raw materials may enter the barrel, which is prone to blockage or uneven heating, affecting the quality of the plastic parts after extrusion. The device is equipped with a screen inside the feed port of the extrusion mechanism. By shaking the screen up and down, plastic raw materials of appropriate size can be transported into the barrel, and larger plastic raw materials will be filtered at the upper end, which is beneficial to enhancing the size uniformity of the raw materials, improving the quality of the plastic parts after extrusion, and is easy to use.

[0023] 2. The utility model proposes a thermoplastic extrusion device. The device is provided with a screening mechanism and a discharging mechanism. The screening mechanism is conducive to screening the plastic raw materials to make them more uniform and improve the quality of subsequent plastic parts. Traditional extrusion equipment is usually only provided with one discharging port. When the discharging port needs to be replaced, it takes a lot of time. The discharging mechanism of the device is provided with three discharging holes, each of which can be installed with different extrusion molds. Different extrusion molds can be quickly replaced without stopping the machine, thereby improving work efficiency and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic top axonometric diagram of the present invention;

[0025] Figure 2 This is an axonometric diagram of the present utility model;

[0026] Figure 3 This is an axonometric diagram of the discharge mechanism of the present utility model;

[0027] Figure 4 This is a schematic front cross-sectional view of the screening mechanism of the present invention;

[0028] Figure 5 It is a front cross-sectional schematic diagram of the screening mechanism of the present invention.

[0029] Legend:

[0030] 1. Extrusion mechanism; 2. Screening mechanism; 3. Discharge mechanism; 101. Fixed box; 102. Output box; 103. Extrusion tube; 104. Heating outer tube; 105. Discharge connection port; 201. Feed port; 202. Mixing port; 203. Mounting rod; 204. Fixed ring; 205. Mounting ring; 206. Hydraulic rod; 207. Spring plate; 208. Screen; 209. Fixed rod; 301. Distribution tube; 302. Discharge hole; 303. Connecting block; 304. Protective box; 305. Motor; 306. Ball valve core. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions 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 making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1-2 4. An embodiment of the present invention provides: a thermoplastic extrusion device, comprising an extrusion mechanism 1, the extrusion mechanism 1 comprising a fixed box 101, an output box 102 is fixedly provided on one side of the upper end of the fixed box 101, an extrusion tube 103 is fixedly provided on the other side of the output box 102, a discharge connection port 105 is fixedly provided on the other side of the extrusion tube 103, a heating outer tube 104 is fixedly provided on the middle position of the outer surface of the extrusion tube 103 by a thread, a screening mechanism 2 is fixedly provided on one side of the upper end of the extrusion tube 103, the screening mechanism 2 comprises a feed port 201, a feed port 201 is fixedly provided on the middle and upper end of the inner wall of the feed port 201 A fixing ring 204 is fixed in position, a mounting ring 205 is fixed on the upper end of the fixing ring 204 by means of threads, a spring plate 207 is fixed on the inner periphery of the lower end of the mounting ring 205, a screen 208 is fixed on the lower end of the spring plate 207 by means of threads, a fixing rod 209 is fixed on the middle and lower part of the inner wall on the other side of the feed port 201, a hydraulic rod 206 is fixed on one side of the upper end of the fixing rod 209, a mixing port 202 is fixed on the other side of the upper end of the extrusion tube 103, and mounting rods 203 are fixed on the rear end of the mixing port 202 and one side of the feed port 201.

[0033] The fixed box 101 is conducive to fixing the position of the output box 102, the output box 102 is conducive to the installation of the extrusion tube 103, and is conducive to driving the internal threaded rod to rotate and feed the material. The heated outer tube 104 is conducive to heating the internal plastic raw material and melting it. The discharge connection port 105 is conducive to threaded installation with the discharge mechanism 3, the screening mechanism 2 is conducive to screening the plastic raw material to make it more uniform, and improve the quality of subsequent plastic parts. The feed port 201 is conducive to the entry of materials, the fixed ring 204 is conducive to the threaded installation of the mounting ring 205, the mounting ring 205 is conducive to the fixed installation of the lower end spring plate 207, the spring plate 207 is conducive to cooperating with the screen 208 to screen the plastic raw material up and down, making the plastic raw material more uniform, the fixed rod 209 is conducive to the installation and fixation of the hydraulic rod 206, and the hydraulic rod 206 is conducive to pushing the screen 208 to shake the raw material up and down, the mixing port 202 is conducive to other materials entering the extrusion tube 103, and the mounting rod 203 is conducive to the installation and fixation of the mixing port 202 and the feed port 201.

[0034] Reference Figure 3 and 5 A discharge mechanism 3 is threadedly provided on the other side of the discharge connection port 105, and the discharge mechanism 3 includes a distribution pipe 301. Discharge holes 302 are provided on both sides and the front end of the distribution pipe 301. Protective boxes 304 are fixedly provided on both sides of the rear end and the middle position of the lower end of the distribution pipe 301. A connecting block 303 is fixedly provided at the middle position of the rear end of the distribution pipe 301. Motors 305 are fixedly provided inside multiple protective boxes 304. Ball valve cores 306 are fixedly provided at the output ends of multiple motors 305. An oil film layer is sprayed on the inner surface of the distribution pipe 301 to prevent sticking problems.

[0035] The discharge mechanism 3 of the present device is provided with three discharge holes 302, each of which can be installed with different extrusion molds. Different extrusion molds can be quickly replaced without stopping the machine, thereby improving work efficiency and facilitating use. The distribution pipe 301 is conducive to cooperating with the discharge hole 302 to control the discharge position, the protective box 304 is conducive to protecting the internal motor 305, the connecting block 303 is conducive to threaded connection with the discharge connection port 105, the motor 305 is conducive to driving the ball valve core 306 to rotate and adjust the closure of the discharge hole 302, and the oil film layer is conducive to preventing plastic from sticking to the inner wall of the distribution pipe 301.

[0036] Working principle: When using this device, pour the plastic raw material into the feed port 201, and at the same time start the hydraulic rod 206 to drive the screen 208 to shake up and down to screen the raw material. During screening, the raw material that meets the size will enter the extrusion tube 103, and the non-compliant will be left at the upper end, and can then be taken out for secondary processing. After entering the extrusion tube 103, start the heating outer tube 104 to heat the internal plastic raw material, and add other materials through the mixing port 202. After mixing, the material is discharged through the discharging mechanism 3, and the motor 305 inside the discharging mechanism 3 can be started to control the ball valve core 306 to close or open, which is conducive to adjusting the discharge hole 302, facilitating the rapid replacement of the discharge port and mold without stopping the machine, and is easy to use.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A thermoplastic extrusion device, comprising an extrusion mechanism (1), characterized in that: The extrusion mechanism (1) comprises a fixed box (101), an output box (102) is fixedly provided on one side of the upper end of the fixed box (101), an extrusion tube (103) is fixedly provided on the other side of the output box (102), a screening mechanism (2) is fixedly provided on one side of the upper end of the extrusion tube (103), the screening mechanism (2) comprises a feed port (201), a discharge connection port (105) is fixedly provided on the other side of the extrusion tube (103), a discharge mechanism (3) is threadedly provided on the other side of the discharge connection port (105), the discharge mechanism (3) comprises a distribution pipe (301), and discharge holes (302) are provided on both sides and the front end of the distribution pipe (301); A fixing ring (204) is fixedly provided at the upper end of the inner wall of the feed port (201); a mounting ring (205) is fixedly provided at the upper end of the fixing ring (204) via a thread; a spring plate (207) is fixedly provided at the inner periphery of the lower end of the mounting ring (205); and a screen (208) is fixedly provided at the lower end of the spring plate (207) via a thread.

2. A thermoplastic extrusion device according to claim 1, characterized in that: A fixing rod (209) is fixedly provided at the middle and lower position of the inner wall on the other side of the feed port (201), and a hydraulic rod (206) is fixedly provided at one side of the upper end of the fixing rod (209).

3. The thermoplastic extrusion device according to claim 1, characterized in that: Protection boxes (304) are fixedly provided on both sides of the rear end and the middle of the lower end of the distribution pipe (301), and a connecting block (303) is fixedly provided at the middle of the rear end of the distribution pipe (301).

4. A thermoplastic extrusion device according to claim 3, characterized in that: A motor (305) is fixedly provided inside the plurality of protection boxes (304), and a ball valve core (306) is fixedly provided at the output end of the plurality of motors (305).

5. The thermoplastic extrusion device according to claim 1, characterized in that: A mixing port (202) is fixedly provided at the other side of the upper end of the extrusion tube (103), and a mounting rod (203) is fixedly provided at the rear end of the mixing port (202) and one side of the feed port (201).

6. The thermoplastic extrusion equipment according to claim 1, characterized in that: A heating outer tube (104) is fixedly provided at the middle portion of the outer surface of the extrusion tube (103) via a thread.

7. The thermoplastic extrusion device according to claim 1, characterized in that: The inner surface of the distribution pipe (301) is sprayed with an oil film layer to prevent sticking problems.

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