Inner wall cleaning mechanism for recycled plastic extrusion device

Abstract

The inner wall cleaning mechanism comprises a motor, the bottom of the motor is fixedly connected with a threaded shaft, the outer portion of the threaded shaft is in threaded connection with a threaded pipe, the other end of the threaded pipe is in threaded connection with a supporting pipe, and the outer portion of the supporting pipe is fixedly connected with a connecting block; according to the inner wall cleaning mechanism of the recycled plastic extrusion device, the motor, the supporting pipe, the square pipe, the extending plate, the straight notch, the vertical plate, the telescopic pipe, the compression spring and the bent scraper are installed outside the mechanism, and when the interior of an extrusion cylinder is cleaned, the motor, the supporting pipe, the square pipe, the extending plate, the straight notch, the vertical plate, the telescopic pipe, the compression spring and the bent scraper are used in a matched mode; a motor rotates to enable a supporting pipe to rotate, a square pipe is installed outside the supporting pipe, the square pipe and a stretching plate are matched with each other to enable a bent scraping plate to adapt to the size of an extrusion cylinder, and the bent scraping plate removes plastic glue adhering to the inner wall of the extrusion cylinder when the supporting pipe rotates.

Description

Technical Field

[0001] The utility model relates to the field of plastic extrusion equipment, in particular to a cleaning mechanism for the inner wall of a recycled plastic extrusion device. Background Technique

[0002] A plastic extrusion device is a device that can heat and melt plastic particles and produce products in different forms through the shape and size of a mold. Its specific structure mainly includes a screw, an extrusion barrel, a heating system, a mold, and a cooling system. During use, the plastic particles are first melted by the heating system, and then through the cooperation of the extrusion barrel and the screw, the melted plastic particles are passed through the mold and moved to the cooling system to complete the molding of the product.

[0003] In the above steps, since the plastic particles need to be heated to a molten state, during the production process, the plastic particles will inevitably adhere to the inner wall of the extrusion barrel with residual materials, which will then reduce the production efficiency of the plastic particles due to factors such as blockage or jamming. At the same time, when processing new product raw materials, the residual materials are also likely to mix into the new product raw materials, affecting the molding quality of the products prepared from the product raw materials.

[0004] Therefore, it is necessary to provide a cleaning mechanism for the inner wall of a recycled plastic extrusion device to solve the above technical problems. Content of the Utility Model

[0005] The utility model provides a cleaning mechanism for the inner wall of a recycled plastic extrusion device, which solves the problem that the residual materials on the inner wall of the extrusion barrel cannot be cleaned.

[0006] To solve the above technical problems, the cleaning mechanism for the inner wall of the recycled plastic extrusion device provided by the utility model includes: a motor, a threaded shaft is fixedly connected to the bottom of the motor, a threaded tube is externally threaded to the threaded shaft, the other end of the threaded tube is threaded to a support tube, a connecting block is fixedly connected to the outside of the support tube, a square tube is fixedly connected to the other side of the connecting block, a stretching plate is slidably connected to the inside of the square tube, the stretching plate penetrates through the square tube and extends to the outside of the square tube, a vertical plate is fixedly connected to the inner wall of the square tube, a straight groove is arranged on the outside of the stretching plate, and the outside of the vertical plate is slidably connected to the inside of the straight groove. The other end of the stretching plate is fixedly connected to a bent scraping plate, a square block is fixedly connected to the outside of the square tube, a telescopic tube is fixedly connected to one side of the square block, a compression spring is arranged on the outside of the telescopic tube, and the other end of the telescopic tube is fixedly connected to the bent scraping plate.

[0007] Preferably, a circular tube is fixedly connected to the outside of the support tube. A long groove is formed in the inner wall of the circular tube. A compression spring is arranged inside the circular tube. A cylinder is slidably connected inside the circular tube. The cylinder penetrates through the circular tube and extends to the outside of the circular tube. A long block is fixedly connected to the outside of the cylinder. The outside of the long block is slidably connected to the inside of the long groove. The other end of the cylinder is fixedly connected to a side plate. A side rubber plate is fixedly connected to the other side of the side plate. A side brush is fixedly connected to the other side of the side rubber plate.

[0008] Preferably, an extension tube is fixedly connected to the outside of the support tube. An L-shaped rod is slidably connected inside the extension tube. The L-shaped rod penetrates through the extension tube and extends to the outside of the extension tube. A lock hole is arranged outside the extension tube. A pressing hole is arranged on the outside of the L-shaped rod. A compression spring is arranged inside the pressing hole. A pressing key is slidably connected inside the pressing hole. One end of the pressing hole is threadedly connected with a screw ring. The pressing key penetrates through the screw ring and extends to the outside of the screw ring. The outside of the pressing key is inserted into the pressing hole. A silica gel block is fixedly connected to the bottom of the L-shaped rod.

[0009] Preferably, a bottom screw tube is fixedly connected to the bottom of the support tube. The other end of the bottom screw tube is threadedly connected with a short column. A bottom circular plate is fixedly connected to the bottom of the short column.

[0010] Preferably, a fixing block is fixedly connected to the outside of the motor. A water inlet pipe is fixedly connected to the outside of the fixing block. The water inlet pipe penetrates through the fixing block and extends to the outside of the fixing block.

[0011] Preferably, a circular sleeve is fixedly connected to the outside of the threaded tube. A perforation is arranged on the outside of the threaded tube. A circular hole is arranged on the outside of the support tube.

[0012] Compared with the related art, the inner wall cleaning mechanism of the recycled plastic extrusion device provided by the present utility model has the following beneficial effects:

[0013] The present utility model provides an inner wall cleaning mechanism for a recycled plastic extrusion device. By installing a motor, a support tube, a square tube, an extension plate, a straight slot, a vertical plate, a telescopic tube, a compression spring, and a bent scraping plate on the outside of the mechanism and using them in cooperation, when cleaning the inside of the extrusion barrel, the support tube is rotated by the rotation of the motor. A square tube is installed on the outside of the support tube. Through the mutual cooperation of the square tube and the extension plate, the bent scraping plate can adapt to the size of the extrusion barrel. When the support tube rotates, the bent scraping plate removes the plastic glue adhered to the inner wall of the extrusion barrel, reducing the thickness of the plastic glue adhered to the inner wall of the support tube. And through the mutual cooperation of the straight slot on the extension plate and the square tube, the extension plate can be restricted. Through the extrusion and extension of the compression spring and the telescopic tube, the bent scraping plate can adapt to extrusion barrels of different sizes when operating inside the extrusion barrel. Description of the Drawings

[0014] Figure 1Structural schematic diagram of a preferred embodiment of the inner wall cleaning mechanism of the recycled plastic extrusion device provided by the present utility model;

[0015] Figure 2 For Figure 1 The front sectional view shown;

[0016] Figure 3 For Figure 2 The enlarged view of part A shown;

[0017] Figure 4 For Figure 2 The enlarged view of part B shown;

[0018] Figure 5 For Figure 2 The enlarged view of part C shown;

[0019] Figure 6 For Figure 1 The exploded structural schematic diagram shown;

[0020] Figure 7 For Figure 6 The enlarged view of part D shown;

[0021] Figure 8 For Figure 6 The enlarged view of part E shown.

[0022] Reference numerals in the figure: 1, motor; 2, threaded shaft; 3, threaded tube; 4, support tube; 5, coupling block; 6, square tube; 7, extending plate; 8, vertical plate; 9, straight slot; 10, bent scraping plate; 11, square block; 12, telescopic tube; 13, compression spring; 14, round tube; 15, long slot; 16, compression spring under pressure; 17, cylinder; 18, long block; 19, side plate; 20, side rubber plate; 21, side brush; 22, extension tube; 23, L-shaped rod; 24, locking hole; 25, pressing hole; 26, extrusion spring; 27, pressing key; 28, screw ring; 29, silica gel block; 30, bottom screw tube; 31, short column; 32, bottom round plate; 33, fixing block; 34, water inlet pipe; 35, round sleeve; 36, perforation; 37, round hole. Detailed implementation manners

[0023] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 Figure 6 、 Figure 7 And Figure 8 wherein Figure 1Schematic structural diagram of a preferred embodiment of the inner wall cleaning mechanism of the recycled plastic extrusion device provided by the present utility model; Figure 2 is Figure 1 the front sectional view shown; Figure 3 is Figure 2 the enlarged view of part A shown; Figure 4 is Figure 2 the enlarged view of part B shown; Figure 5 is Figure 2 the enlarged view of part C shown; Figure 6 is Figure 1 the exploded structural diagram shown; Figure 7 is Figure 6 the enlarged view of part D shown;

[0025] Figure 8 is Figure 6 the enlarged view of part E shown. The inner wall cleaning mechanism of the recycled plastic extrusion device includes: a motor 1, a threaded shaft 2 is fixedly connected to the bottom of the motor 1, a threaded tube 3 is threadedly connected to the outside of the threaded shaft 2, a support tube 4 is threadedly connected to the other end of the threaded tube 3, a connecting block 5 is fixedly connected to the outside of the support tube 4, a square tube 6 is fixedly connected to the other side of the connecting block 5, a stretching plate 7 is slidably connected to the inside of the square tube 6, the stretching plate 7 penetrates through the square tube 6 and extends to the outside of the square tube 6, a vertical plate 8 is fixedly connected to the inner wall of the square tube 6, a straight groove 9 is arranged on the outside of the stretching plate 7, and the outside of the vertical plate 8 is slidably connected to the inside of the straight groove 9, a bent scraping plate 10 is fixedly connected to the other end of the stretching plate 7, a square block 11 is fixedly connected to the outside of the square tube 6, a telescopic tube 12 is fixedly connected to one side of the square block 11, a compression spring 13 is arranged on the outside of the telescopic tube 12, and the other end of the telescopic tube 12 is fixedly connected to the bent scraping plate 10.

[0026] Through the mutual cooperation of the square tube 6 and the stretching plate 7, the bent scraping plate 10 can adapt to the size of the extrusion barrel. When the support tube 4 rotates, the bent scraping plate 10 removes the plastic glue adhered to the inner wall of the extrusion barrel, reducing the thickness of the plastic glue adhered to the inner wall of the support tube 4. And through the mutual cooperation of the straight groove 9 on the stretching plate 7 and the square tube 6, the stretching plate 7 can be restricted.

[0027] A circular tube 14 is fixedly connected to the outside of the support tube 4, a long groove 15 is opened on the inner wall of the circular tube 14, a compression spring 16 is arranged inside the circular tube 14, a cylinder 17 is slidably connected to the inside of the circular tube 14, the cylinder 17 penetrates through the circular tube 14 and extends to the outside of the circular tube 14, a long block 18 is fixedly connected to the outside of the cylinder 17, the outside of the long block 18 is slidably connected to the inside of the long groove 15, a side plate 19 is fixedly connected to the other end of the cylinder 17, a side glue plate 20 is fixedly connected to the other side of the side plate 19, and a side brush 21 is fixedly connected to the other side of the side glue plate 20.

[0028] A cylinder 17 is slidably connected inside a circular tube 14 so that the cylinder 17 can be telescoped. A long block 18 is slidably connected to a long groove 15, which can limit the cylinder 17 when it slides out. A compression spring 16 is used to contract and push out the cylinder 17. The side rubber plate 20 is made of rubber material, which can play a role in extrusion buffering when rotating and cleaning the inner wall of the extrusion barrel. A side plate 19 supports the side soft plate, and a side brush 21 is fixedly connected to the other side of the side soft plate. When the support tube 4 rotates, it cleans and rubs the inner wall of the extrusion barrel.

[0029] An extension tube 22 is fixedly connected to the outside of the support tube 4. An L-shaped rod 23 is slidably connected inside the extension tube 22. The L-shaped rod 23 penetrates through the extension tube 22 and extends to the outside of the extension tube 22. A lock hole 24 is provided outside the extension tube 22. A pressing hole 25 is provided on the outside of the L-shaped rod 23. A compression spring 26 is provided inside the pressing hole 25. A pressing key 27 is slidably connected inside the pressing hole 25. One end of the pressing hole 25 is threadedly connected with a screw ring 28. The pressing key 27 penetrates through the screw ring 28 and extends to the outside of the screw ring 28. The outside of the pressing key 27 is inserted into the pressing hole 25. A silica gel block 29 is fixedly connected to the bottom of the L-shaped rod 23.

[0030] By manually pushing the pressing key 27 by a person, the L-shaped rod 23 can be elongated or shortened inside the extension tube 22. The pressing key 27 is restricted by the screw ring 28. Under the push of the compression spring 26, the pressing key 27 is pushed out to restrict the L-shaped rod 23 and the extension tube 22. By extending the length of the L-shaped rod 23, it is convenient to adapt to the radii of different extrusion barrels. The silica gel block 29 is used to clean the inner edge of the extrusion barrel.

[0031] A bottom screw tube 30 is fixedly connected to the bottom of the support tube 4. The other end of the bottom screw tube 30 is threadedly connected with a short column 31. A bottom circular plate 32 is fixedly connected to the bottom of the short column 31.

[0032] By threading the bottom screw tube 30 and the short column 31 together, it is convenient to replace different bottom circular plates 32. The bottom circular plate 32 is made of soft rubber material. When the support tube 4 rotates, the bottom circular plate 32 can clean the plastic glue adhered to the bottom of the extrusion barrel by friction.

[0033] A fixed block 33 is fixedly connected to the outside of the motor 1. An inlet water pipe 34 is fixedly connected to the outside of the fixed block 33. The inlet water pipe 34 penetrates through the fixed block 33 and extends to the outside of the fixed block 33.

[0034] Since the fixed block 33 is fixedly connected to the motor 1, the fixed block 33 remains fixed together with the motor 1 during operation. By inserting a cleaning agent hose into the outside of the inlet water pipe 34 by a person, the cleaning agent can flow inside the inlet water pipe 34.

[0035] A round sleeve 35 is fixedly connected to the outside of the threaded tube 3 , a through hole 36 is arranged on the outside of the threaded tube 3 , and a round hole 37 is arranged on the outside of the support tube 4 .

[0036] The circular sleeve 35 is used to hold the cleaning agent, and the cleaning agent flows into the support tube 4 through the perforation 36. When the support tube 4 rotates at a high speed, the cleaning agent is sprinkled onto the inner wall of the extrusion tube through the circular hole 37 to soften the plastic glue, which is convenient for cleaning.

[0037] The working principle of the inner wall cleaning mechanism of the recycled plastic extrusion device provided by the utility model is as follows: when the mechanism is installed inside the extrusion barrel device by a person, the motor 1 is started, and when the motor 1 rotates, the support tube 4 at one end is driven to rotate, a coupling block 5 is installed outside the support tube 4, and the coupling block 5 is connected to the support tube 4 by bolts, which is convenient for maintenance and replacement, a square tube 6 is installed on the other side of the coupling block 5, and an extension plate 7 is slidably connected inside the square tube 6, so that the extension plate 7 can be extended or shortened, a vertical plate 8 is installed on the inner wall of the square tube 6, and a straight notch is opened outside the extension plate 7 9 allows the vertical plate 8 to slide inside the straight slot 9, and at the same time, the straight slot 9 and the vertical plate 8 cooperate to restrict the extension plate 7 to prevent the extension plate 7 from being separated from the square tube 6 under the elastic action of the compression spring 13. A block 11 is installed on the top of the square tube 6, a telescopic tube 12 is installed on one side of the block 11, and a compression spring 13 is arranged outside the telescopic tube 12. By installing the other end of the telescopic tube 12 with the curved scraper 10, the curved scraper 10 can be pushed out or shortened under the thrust of the compression spring 13, so that the curved scraper 10 has flexibility to use different extrusion barrels.

[0038] Compared with the related art, the inner wall cleaning mechanism of the recycled plastic extrusion device provided by the utility model has the following beneficial effects:

[0039] The utility model provides an inner wall cleaning mechanism for a recycled plastic extrusion device. A motor 1, a support tube 4, a square tube 6, an extension plate 7, a straight notch 9, a vertical plate 8, a telescopic tube 12, a compression spring 13, and a curved scraper 10 are installed on the outside of the mechanism and are used in coordination with each other. When the inside of an extrusion tube is cleaned, the support tube 4 is rotated by the rotation of the motor 1. The square tube 6 is installed on the outside of the support tube 4. The curved scraper 10 can be adapted to the size of the extrusion tube through the coordination of the square tube 6 and the extension plate 7. When the support tube 4 rotates, the curved scraper 10 removes the plastic glue adhered to the inner wall of the extrusion tube, thereby reducing the thickness of the plastic glue adhered to the inner wall of the support tube 4. The straight notch 9 on the extension plate 7 and the square tube 6 cooperate with each other, so that the extension plate 7 can be restricted. The compression spring 13 and the telescopic tube 12 are squeezed and extended, so that the curved scraper 10 can adapt to extrusion tubes of different sizes when operating inside the extrusion tube.

[0040] The above are only embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. A recycling plastic extrusion device inner wall cleaning mechanism, characterized in that: include: The motor has a threaded shaft fixedly connected to the bottom of the motor, a threaded tube is threadedly connected to the outside of the threaded shaft, a support tube is threadedly connected to the other end of the threaded tube, a connecting block is fixedly connected to the outside of the support tube, a square tube is fixedly connected to the other side of the connecting block, an extension plate is slidably connected to the inside of the square tube, the extension plate passes through the square tube and extends to the outside of the square tube, a vertical plate is fixedly connected to the inner wall of the square tube, a straight slot is provided on the outside of the extension plate, the inside of the straight slot is slidably connected to the outside of the vertical plate, a curved scraper is fixedly connected to the other end of the extension plate, a block is fixedly connected to the outside of the square tube, a telescopic tube is fixedly connected to one side of the block, a compression spring is provided on the outside of the telescopic tube, and the other end of the telescopic tube is fixedly connected to the curved scraper.

2. The inner wall cleaning mechanism of the recycled plastic extrusion device according to claim 1 is characterized in that: The outside of the support tube is fixedly connected to a round tube, the inner wall of the round tube is provided with a long groove, the inside of the round tube is provided with a compression spring, the inside of the round tube is slidably connected to a cylinder, the cylinder penetrates the round tube and extends to the outside of the round tube, the outside of the cylinder is fixedly connected to a long block, the outside of the long block is slidably connected to the inside of the long groove, the other end of the cylinder is fixedly connected to a side plate, the other side of the side plate is fixedly connected to a side rubber plate, and the other side of the side rubber plate is fixedly connected to a side brush.

3. The inner wall cleaning mechanism of the recycled plastic extrusion device according to claim 1 is characterized in that: The outside of the support tube is fixedly connected to an extension tube, the inside of the extension tube is slidably connected to an L rod, the L rod penetrates the extension tube and extends to the outside of the extension tube, the outside of the extension tube is provided with a lock hole, the outside of the L rod is provided with a pressing hole, the inside of the pressing hole is provided with an extrusion spring, the inside of the pressing hole is slidably connected to a pressing key, one end of the pressing hole is threadedly connected to a spiral coil, the press key penetrates the spiral coil and extends to the outside of the spiral coil, the outside of the press key is plugged into the press hole, and the bottom of the L rod is fixedly connected to a silicone block.

4. The inner wall cleaning mechanism of the recycled plastic extrusion device according to claim 1 is characterized in that: A bottom screw tube is fixedly connected to the bottom of the support tube, a short column is threadedly connected to the other end of the bottom screw tube, and a bottom circular plate is fixedly connected to the bottom of the short column.

5. The inner wall cleaning mechanism of the recycled plastic extrusion device according to claim 1, characterized in that: A fixing block is fixedly connected to the outside of the motor, and a water inlet pipe is fixedly connected to the outside of the fixing block. The water inlet pipe penetrates the fixing block and extends to the outside of the fixing block.

6. The inner wall cleaning mechanism of the recycled plastic extrusion device according to claim 1, characterized in that: A round sleeve is fixedly connected to the outside of the threaded tube, a through hole is arranged on the outside of the threaded tube, and a round hole is arranged on the outside of the support tube.

Images