Polyethylene terephthalate (PET) plastic sheet extrusion production device

Abstract

The utility model discloses a PET plastic sheet extrusion production device which comprises a base, an extruder shell and a storage bin are arranged on the base, a filter screen is arranged in the storage bin through a guide rod, a lifting plate is arranged on the upper side of the filter screen through a supporting rod, and a stable supporting plate is arranged at the top of the storage bin through an air cylinder. By means of the vertical vibration mechanism arranged between the lifting plate and the stable supporting plate, vertical vibration adjustment can be conducted on the filter screen at the lower end of the lifting plate, the filtering efficiency of extruded raw materials is improved, the filter screen can be cleaned through the filter screen cleaning blade, the filter screen cleaning blade can be cleaned through the filter screen cleaning blade, and the filter screen cleaning blade can be cleaned through the filter screen cleaning blade. And a filter screen cleaning blade is rotationally arranged on one side of the upper end of the residue storage hopper through a transmission shaft, so that the transmission shaft and the filter screen cleaning blade are driven by a second motor and a gear set to horizontally rotate and adjust, filter residues on the upper portion of the filter screen rising to the opening of the storage bin can be cleaned, the cleaning efficiency is high, and operation is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic extrusion production equipment, in particular to a PET plastic sheet extrusion production device. Background Art

[0002] Plastic extruders can be paired with various auxiliary machines for plastic molding, such as pipes, films, foils, monofilaments, flat yarns, strapping tape, mesh extrusion, sheet materials, profiles, pelletizing, and cable wrapping, to form various plastic extrusion production lines and produce a wide range of plastic products. Therefore, plastic extrusion machinery is and will continue to be widely used in the plastics processing industry. During the production process, PET plastic sheets must pass through an extruder for extrusion and sheeting.

[0003] A PET plastic sheet extrusion production device with application number 201921623707.2 in the prior art includes a machine body and a feeding barrel located above the machine body. A horizontal cylindrical extrusion chamber is provided inside the machine body. An extrusion motor is installed on one side of the extrusion chamber and an extrusion screw is installed on the other side. The feeding barrel is arranged directly above one end of the extrusion screw close to the extrusion motor and is connected to the extrusion chamber through a discharge channel. The feeding barrel includes an outer feeding barrel and an inner feeding barrel. A feeding barrel vertically adapted to the inner feeding barrel is provided inside the outer feeding barrel. The top of the feeding barrel is funnel-shaped, and a filtering channel is provided between the bottom end and the inner feeding barrel. The top of the feeding barrel is sealed with a top cover. The PET plastic sheet extrusion production device can screen out large particles and metal impurities in the material to prevent them from mixing into the material and affecting the extrusion quality. It is also convenient for cleaning the screened materials without manual operation, making the operation more convenient and the material collection more convenient. However, it is not convenient to vibrate and adjust the filter screen, thereby affecting the efficiency of filtering the extruded raw materials, and it is not convenient to clean the filter residue on the top of the filter screen. Summary of the Invention

[0004] The purpose of the utility model is to provide a PET plastic sheet extrusion production device to solve the problems in the prior art that it is inconvenient to vibrate and adjust the filter screen, thereby affecting the efficiency of filtering the extruded raw materials, and it is inconvenient to clean the filter residue on the upper part of the filter screen.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PET plastic sheet extrusion production device, comprising a base, an extruder casing is provided on the upper side of the base through a support frame, a storage bin is provided at the upper feed end of one end of the extruder casing, a filter screen is provided at the upper part of the storage bin through a guide rod, a lifting plate is provided on the upper side of one end of the filter screen through a support rod, a stable support plate is provided on the top of the storage bin through a cylinder, and an up and down vibrating mechanism is provided between the lifting plate and the stable support plate, a slag hopper is provided next to the feed port of the storage bin, a filter cleaning blade is provided on one side of the upper end of the slag hopper through a transmission shaft, and one end of the transmission shaft is connected to a second motor through a gear set.

[0006] Furthermore, a spiral extrusion blade is provided inside the extruder housing via a transmission shaft, and one end of the transmission shaft is connected to a first motor via a gear box.

[0007] Furthermore, the filter screen is a metal filter screen, and the outer wall of the filter screen is slidably arranged with respect to the upper wall of the storage bin.

[0008] Furthermore, the four corners of the stable support plate are slidably arranged with the support rod, the middle part of the lifting plate is slidably connected with the telescopic rod at the lower end of the cylinder, and the stable support plate and the lifting plate are arranged in parallel.

[0009] Furthermore, the up and down vibration mechanism includes a third motor arranged on the upper side of the stable support plate, one end of the third motor is transmission-connected to a cam, and a spring is provided on the outside of the support rod on the lower side of the stable support plate.

[0010] Furthermore, a protective baffle is provided on the upper inner portion of the slag storage hopper, and the gear set and the second motor are fixedly arranged on the inner side of the protective baffle.

[0011] Furthermore, a slag discharge cover plate is hingedly connected to one side of the bottom of the slag storage hopper, and a locking bolt is provided at one end of the slag discharge cover plate.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model is provided with an up and down vibration mechanism between the lifting plate and the stable support plate. The up and down vibration mechanism includes a third motor arranged on the upper side of the stable support plate. One end of the third motor is connected to a cam in a transmission manner. A spring is provided on the outer sleeve of the support rod on the lower side of the stable support plate, so that the cam is driven to rotate at a uniform speed by the third motor, and the filter screen at the lower end of the lifting plate can be adjusted to vibrate up and down, thereby accelerating the passage of materials through the sieve holes, which is beneficial to improving the efficiency of filtering the extruded raw materials.

[0014] The utility model has a filter cleaning blade on one side of the upper end of the slag storage hopper which is rotated by a transmission shaft, and one end of the transmission shaft is connected to a second motor through a gear set, so that the transmission shaft and the filter cleaning blade are driven by the second motor and the gear set to rotate horizontally, thereby cleaning the filter residue on the upper part of the filter screen raised to the opening of the storage bin, with high cleaning efficiency and convenient and quick operation.

[0015] The utility model provides a slag storage hopper beside the feed port of the storage bin, which is used to store the ash scraped off by the filter cleaning blades. At the same time, a slag discharge cover is hinged on one side of the bottom of the slag storage hopper, and a locking bolt is provided at one end of the slag discharge cover to facilitate the discharge of the residue stored in the slag storage hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is the main view of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the storage bin of the utility model;

[0019] Figure 3 It is a schematic diagram of the filter cleaning structure of the present invention.

[0020] In the figure: 1. Base; 2. Extruder casing; 3. Support frame; 4. Gear box; 5. Drive shaft; 6. First motor; 7. Storage bin; 8. Feed port; 9. Cylinder; 10. Filter screen; 11. Guide rod; 12. Lifting plate; 13. Support rod; 14. Spring; 15. Stabilizing support plate; 16. Cam; 17. Third motor; 18. Slag hopper; 19. Drive shaft; 20. Filter cleaning blade; 21. Gear set; 22. Second motor; 23. Slag discharge cover; 24. Locking bolt; 25. Feed end. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 , Figure 2 , Figure 3In the embodiment of the present utility model, a PET plastic sheet extrusion production device includes a base 1, an extruder casing 2 is provided on the upper side of the base 1 through a support frame 3, a spiral extrusion blade is provided inside the extruder casing 2 through a transmission shaft 5, one end of the transmission shaft 5 is connected to a first motor 6 through a gear box 4, and the transmission shaft 5 and the spiral extrusion blade are driven by the first motor 6 inside the extruder casing 2 to rotate and adjust, so as to extrude the material in the extruder casing 2 horizontally, and a storage bin 7 is provided at the upper feed end 25 of one end of the extruder casing 2 for storing liquid extrusion raw materials, a filter screen 10 is provided at the upper part of the storage bin 7 through a guide rod 11, a lifting plate 12 is provided on the upper side of one end of the filter screen 10 through a support rod 13, and a stable support plate 15 is provided on the top of the storage bin 7 through a cylinder 9. The filter screen 10 is a metal filter screen, and the outer wall of the filter screen 10 is slidably arranged with the inner upper wall of the storage bin 7. The four corners of the stable support plate 15 are slidably arranged with the support rod 13, and the middle part of the lifting plate 12 is slidably connected to the telescopic rod at the lower end of the cylinder 9. The stable support plate 15 and the lifting plate 12 are arranged in parallel, so that the filter screen 10 can be driven to rise and fall for cleaning and maintenance by the cylinder 9, and an up and down vibration mechanism is provided between the lifting plate 12 and the stable support plate 15. A slag storage hopper 18 is provided next to the feed port 8 of the storage bin 7. One side of the upper end of the slag storage hopper 18 is rotated by a transmission shaft 19 and a filter cleaning blade 20 is provided. One end of the transmission shaft 19 is connected to a second motor 22 through a gear set 21, so that the transmission shaft 19 and the filter cleaning blade 20 are driven by the second motor 22 and the gear set 21 to rotate horizontally, thereby being able to clean the filtered residue on the upper part of the filter screen 10 raised to the opening of the storage bin 7, with high cleaning efficiency and convenient and quick operation.

[0023] like Figure 1 and Figure 2 As shown, in order to achieve the up and down vibration adjustment of the filter screen 10, the up and down vibration mechanism also includes a third motor 17 arranged on the upper side of the stable support plate 15, and one end of the third motor 17 is connected to the cam 16. The support rod 13 on the lower side of the stable support plate 15 is provided with a spring 14 on the outside, so that the cam 16 is driven by the third motor 17 to rotate at a constant speed, which can adjust the up and down vibration of the filter screen 10 at the lower end of the lifting plate 12, accelerate the material to pass through the sieve hole, and help improve the efficiency of the extruded raw material filtration.

[0024] like Figure 1 and Figure 2 As shown, in order to store impurities and discharge slag, a slag hopper 18 is provided for storing ash scraped off by the filter cleaning blades. A protective baffle is provided on the upper part of the slag hopper 18, and the gear set 21 and the second motor 22 are fixedly arranged on the inner side of the protective baffle. A slag discharge cover 23 is hinged on one side of the bottom of the slag hopper 18, and a locking bolt 24 is provided at one end of the slag discharge cover 23 to facilitate the discharge of the residue stored in the slag hopper 18.

[0025] The working principle and usage process of the present invention are as follows: when in use, the extruded material is put into the storage bin 7 from the feed port 8, and then the liquid material is filtered through the filter screen 10. The up and down vibration mechanism provided between the lifting plate 12 and the stable support plate 15 can adjust the up and down vibration of the filter screen 10 at the lower end of the lifting plate 12 to accelerate the material to pass through the sieve hole. The filtered material enters the extruder housing 2, and the material is horizontally extruded through the rotating transmission shaft 5 and spiral extrusion blades inside the extruder housing 2 to complete the extrusion production of PET plastic sheets.

[0026] Finally, it should be noted that the above description is merely 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 will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A PET plastic sheet extrusion production device, comprising a base (1), characterized in that: An extruder housing (2) is provided on the upper side of the base (1) through a support frame (3), a storage bin (7) is provided at an upper feed end (25) of one end of the extruder housing (2), a filter screen (10) is provided at the upper part of the storage bin (7) through a guide rod (11), a lifting plate (12) is provided on the upper side of one end of the filter screen (10) through a support rod (13), a stable support plate (15) is provided on the top of the storage bin (7) through a cylinder (9), and an upper and lower vibration mechanism is provided between the lifting plate (12) and the stable support plate (15), a slag hopper (18) is provided beside the feed port (8) of the storage bin (7), a filter cleaning blade (20) is provided on one side of the upper end of the slag hopper (18) for rotation through a transmission shaft (19), and one end of the transmission shaft (19) is connected to a second motor (22) through a gear set (21).

2. A PET plastic sheet extrusion production device according to claim 1, characterized in that: The interior of the extruder housing (2) is provided with spiral extrusion blades via a transmission shaft (5), and one end of the transmission shaft (5) is connected to a first motor (6) via a gear box (4).

3. A PET plastic sheet extrusion production device according to claim 1, characterized in that: The filter screen (10) is a metal filter screen, and the outer wall of the filter screen (10) is slidably arranged with the inner upper wall of the storage bin (7).

4. A PET plastic sheet extrusion production device according to claim 1, characterized in that: The four corners of the stabilizing support plate (15) are slidably arranged with the support rod (13), the middle part of the lifting plate (12) is slidably connected with the telescopic rod at the lower end of the cylinder (9), and the stabilizing support plate (15) and the lifting plate (12) are arranged in parallel.

5. A PET plastic sheet extrusion production device according to claim 4, characterized in that: The up-and-down vibration mechanism includes a third motor (17) arranged on the upper side of the stable support plate (15), one end of the third motor (17) is connected to a cam (16), and a spring (14) is provided on the outside of the support rod (13) on the lower side of the stable support plate (15).

6. A PET plastic sheet extrusion production device according to claim 1, characterized in that: A protective baffle is provided on the upper inner portion of the slag storage hopper (18), and the gear set (21) and the second motor (22) are fixedly arranged on the inner side of the protective baffle.

7. A PET plastic sheet extrusion production device according to claim 6, characterized in that: A slag discharge cover plate (23) is hingedly connected to one side of the bottom of the slag storage hopper (18), and a locking bolt (24) is provided at one end of the slag discharge cover plate (23).

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