PE pipe extruder with cleaning mechanism
By designing a cleaning device that combines electric heating wire baking and rotating components in the PE tube extruder, the cumbersome cleaning problem of accumulated materials on the inner wall of the lower hopper is solved, and a more efficient cleaning operation is achieved.
Patent Information
- Application Number
- CN202420182074.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-25
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-01-25
AI Technical Summary
During the extrusion process of PE pipe, the annular structure at the end of the lower hopper is prone to accumulate small particulate materials. The existing cleaning methods are cumbersome and inconvenient, and require fan and scraper operation.
A cleaning device including a position adjustment assembly, a rotating assembly and a scraping assembly is designed, and the cleaning process of the inner wall of the lower hopper is simplified by the combination of the electric heating wire and the rotation assembly.
Through the synergy between the electric heating wire baking and the rotating assembly, the cleaning process of the lower hopper inner wall is significantly simplified, and the operation efficiency and convenience are improved.
Smart Images

Figure CN222135875U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of extruders, in particular to a PE pipe extruder with a cleaning mechanism. Background Art
[0002] PE is made of ethylene monomers, and the manufacturing material is polyethylene. PE has excellent resistance to most domestic and industrial chemicals. It has the characteristics of high strength, high temperature resistance, corrosion resistance, non-toxicity and wear resistance. It is divided into medium-density polyethylene pipe and high-density polyethylene pipe. Due to its characteristics, PE material is widely used in the field of water supply and drainage manufacturing. Because it will not rust, it is an ideal pipe to replace ordinary iron water supply pipes.
[0003] The screw extruder relies on the pressure and shear force generated by the rotation of the screw to fully plasticize and evenly mix the materials and form them through the die. Plastic extruders can be basically classified into twin-screw extruders, single-screw extruders, and the rare multi-screw extruders and screwless extruders.
[0004] An extruder is required for processing PE pipes. The extruder generally includes a feeding device, an extrusion device and a lower hopper. The material is added to the extrusion device through the feeding device. Under the action of the screw in the extrusion device, the material is moved in the direction of the lower hopper and extruded into a tube through the annular inner cavity at the end of the lower hopper. After the extrusion work is completed, the end of the lower hopper is in direct contact with the external air, so some small particles of material are easily attached to the inner wall of the inner cavity of the annular structure at the end of the lower hopper. When cleaning it, the staff generally need to use a fan to blow air inward, and then scrape the material on the inner wall with a scraper, which is troublesome to operate.
[0005] Therefore, it is necessary to provide a new PE pipe extruder with a cleaning mechanism to solve the above-mentioned technical problems. Utility Model Content
[0006] In order to solve the above technical problems, the utility model provides a PE pipe extruder with a cleaning mechanism.
[0007] The PE pipe extruder with a cleaning mechanism provided by the utility model comprises a workbench, on which a PE pipe extrusion device is arranged, a feeding device is arranged on the top of the extrusion device, a lower hopper is installed at one end of the extrusion device, and the inner cavity at the end of the lower hopper is an annular structure, and a cleaning device for scraping the inner wall material at the end of the lower hopper is arranged at one end of the workbench;
[0008] The cleaning device comprises a position adjustment component, a rotating component and a scraping component, wherein one end of the adjustment component is connected to the end of the workbench, the top of the adjustment component is connected to the rotating component, and the scraping component is connected to the rotating end of the rotating component;
[0009] The scraping assembly includes two mounting rings and a plurality of placement plates, wherein the plurality of placement plates are evenly distributed in a ring shape and fixedly connected between the two mounting rings, and a plurality of heating wires are fixedly connected at intervals between the plurality of placement plates. An inner scraper is fixedly connected to the side wall of at least one placement plate facing the center of the mounting ring, and an outer scraper is fixedly connected to the side wall of at least one placement plate away from the center of the mounting ring. The ends of the outer scraper and the inner scraper can respectively fit the two circular inner walls of the annular inner cavity at the end of the lower hopper.
[0010] Preferably, the adjustment assembly includes a second mounting plate, a second electric cylinder and a longitudinal moving member, the second mounting plate is detachably connected to the end of the workbench, one end of the second electric cylinder is fixedly connected to the side wall of the second mounting plate, the telescopic end of the second electric cylinder is fixedly connected to the longitudinal moving member, and the top of the longitudinal moving member is connected to the rotating assembly.
[0011] Preferably, the longitudinal moving member includes a first mounting plate and a first electric cylinder, the second mounting plate is fixedly connected to the telescopic end of the second electric cylinder, the top of the second mounting plate is fixedly connected to the first electric cylinder, and the top of the first electric cylinder is fixedly connected to the rotating assembly.
[0012] Preferably, the rotating assembly includes a mounting block, a driving member and a rotating plate, the bottom of the mounting block is fixedly connected to the telescopic end of the first electric cylinder, the driving member is fixedly installed on the side wall of the mounting block, the rotating plate is arranged on the side of the mounting block away from the driving member, the rotating plate is fixedly connected to the output end of the driving member, and the rotating plate is fixedly connected to the mounting ring.
[0013] Preferably, the driving member is a motor, the motor is fixedly mounted on the side wall of the mounting block, and the rotating plate is fixedly connected to the output end of the motor.
[0014] Preferably, through holes are provided at both ends of the second mounting plate, and bolts are movably inserted into the through holes at both ends of the second mounting plate, and the outer surfaces of the bolts are threadedly connected to the inner walls of the grooves provided at the ends of the workbench.
[0015] Preferably, the plurality of heating wires arranged at intervals between the plurality of placement plates are distributed equidistantly.
[0016] Compared with the related art, the PE pipe extruder with a cleaning mechanism provided by the utility model has the following beneficial effects:
[0017] Through the cleaning device that is set up, the scraping assembly is driven to move through the adjusting component, so that the scraping assembly moves up to a position facing the lower hopper, and the scraping assembly is moved to the annular inner cavity of the lower hopper again through the adjusting component. At this time, the end of the outer scraper and the end of the inner scraper can respectively fit the two circular inner walls of the annular inner cavity at the end of the lower hopper, and the electric heating wire is energized to bake the inner wall of the lower hopper through the electric heating wire. After baking to a certain degree, the entire scraping assembly is driven to rotate through the rotating component, and the end of the outer scraper and the end of the inner scraper can respectively fit the two circular inner walls of the annular inner cavity at the end of the lower hopper and rotate, thereby facilitating the cleaning work in the lower hopper. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the structure of a PE pipe extruder with a cleaning mechanism provided by the utility model;
[0019] Figure 2 for Figure 1 The structural schematic diagram of the cleaning device shown;
[0020] Figure 3 for Figure 1 The structural schematic diagram of the scraping assembly shown;
[0021] Figure 4 for Figure 1 A schematic diagram of a partial cross-sectional structure of the structure shown.
[0022] Numbers in the figure: 1. workbench; 2. feeding device; 3. extrusion device; 4. lower hopper; 5. mounting ring; 6. placing plate; 7. heating wire; 8. outer scraper; 9. inner scraper; 10. mounting block; 11. motor; 12. rotating plate; 13. first electric cylinder; 14. first mounting plate; 15. second mounting plate; 16. second electric cylinder. DETAILED DESCRIPTION
[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0024] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 This is a schematic diagram of the structure of a PE pipe extruder with a cleaning mechanism provided by the utility model; Figure 2 for Figure 1 The structural schematic diagram of the cleaning device shown; Figure 3 for Figure 1 The structural schematic diagram of the scraping assembly shown; Figure 4 for Figure 1 A schematic diagram of a partial cross-sectional structure of the structure shown.
[0025] In the specific implementation process, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, it includes a workbench 1, on which is arranged an extrusion device 3 for a PE pipe, a feeding device 2 is arranged on the top of the extrusion device 3, a lower hopper 4 is installed at one end of the extrusion device 3, the inner cavity at the end of the lower hopper 4 is an annular structure, and a cleaning device for scraping the inner wall material at the end of the lower hopper 4 is arranged at one end of the workbench 1, the cleaning device includes a position adjustment component, a rotating component and a scraping component, one end of the adjustment component is connected to the end of the workbench 1, the top of the adjustment component is connected to the rotating component, the scraping component is connected to the rotating end of the rotating component, the scraping component includes two mounting rings 5 and a plurality of placement plates 6, the plurality of placement plates 6 are evenly distributed in a ring shape, and the plurality of placement plates 6 are fixedly connected between the two mounting rings 5, a plurality of heating wires 7 are fixedly connected at the intervals of the plurality of placement plates 6, the plurality of heating wires 7 arranged at the intervals of the plurality of placement plates 6 are equidistantly distributed, the heating wires 7 are electrically connected to an external power supply, and an inner scraper 9 is fixedly connected to the side wall of at least one placement plate 6 facing the center of the mounting ring 5, and at least one placement plate An outer scraper 8 is fixedly connected to the side wall away from the center of the mounting ring 5. The ends of the outer scraper 8 and the inner scraper 9 can respectively fit the two circular inner walls of the annular inner cavity at the end of the lower hopper 4. Through the cleaning device, the scraper assembly is driven to move by the adjusting component, so that the scraper assembly moves up to a position facing the lower hopper 4, and the scraper assembly is moved into the annular inner cavity of the lower hopper 4 again by the adjusting component. At this time, the ends of the outer scraper 8 and the inner scraper 9 can respectively fit the two circular inner walls of the annular inner cavity at the end of the lower hopper 4, and the electric heating wire 7 is energized to bake the inner wall of the lower hopper 4 through the electric heating wire 7, and then the entire scraper assembly is driven to rotate by the rotating component, so as to facilitate the cleaning work in the lower hopper 4. When the device is in use, if there is a lot of material in the lower hopper 4, a channel for the outer scraper 8 and the inner scraper 9 to move in can be cleaned in advance. The specific operation can be performed according to the actual situation. After the cleaning is completed, the scraped material can be taken out manually or in other feasible ways;
[0026] The adjustment component includes a second mounting plate 15, a second electric cylinder 16 and a longitudinal moving member. The second mounting plate 15 is detachably connected to the end of the workbench 1. One end of the second electric cylinder 16 is fixedly connected to the side wall of the second mounting plate 15. The telescopic end of the second electric cylinder 16 is fixedly connected to the longitudinal moving member. The top of the longitudinal moving member is connected to the rotating component. The longitudinal moving member includes a first mounting plate 14 and a first electric cylinder 13. The second mounting plate 15 is fixedly connected to the telescopic end of the second electric cylinder 16. The top of the second mounting plate 15 is fixedly connected to the first electric cylinder 13. The top of the first electric cylinder 13 is fixedly connected to the rotating component. Through holes are provided at both ends of the second mounting plate 15, and bolts are movably inserted into the through holes at both ends of the second mounting plate 15. The outer surface of the bolt is threadedly connected to the inner wall of the groove provided at the end of the workbench 1.
[0027] The rotating assembly includes a mounting block 10, a driving member and a rotating plate 12. The bottom of the mounting block 10 is fixedly connected to the telescopic end of the first electric cylinder 13. The driving member is fixedly installed on the side wall of the mounting block 10. The rotating plate 12 is arranged on the side of the mounting block 10 away from the driving member. The rotating plate 12 is fixedly connected to the output end of the driving member, and the rotating plate 12 is fixedly connected to the mounting ring 5. The driving member is a motor 11, and the motor 11 is fixedly installed on the side wall of the mounting block 10. The rotating plate 12 is fixedly connected to the output end of the motor 11.
[0028] The working principle provided by the utility model is as follows: when cleaning the end of the lower hopper 4, the scraper assembly is driven by the second electric cylinder 16 to move away from the workbench 1, and then the scraper assembly is moved up by the first electric cylinder 13. When the scraper assembly moves up to a position facing the lower hopper 4, the scraper assembly is driven by the second electric cylinder 16 to move, so that the scraper assembly moves into the annular inner cavity of the lower hopper 4. At this time, the end of the outer scraper 8 and the end of the inner scraper 9 can respectively fit the two circular inner walls of the annular inner cavity at the end of the lower hopper 4, and the electric heating wire 7 is energized to bake the inner wall of the lower hopper 4 through the electric heating wire 7. After baking to a certain degree, the rotating plate 12 is driven to rotate by the motor 11, and the entire scraper is driven to move by the rotating plate 12. The end of the outer scraper 8 and the end of the inner scraper 9 can respectively fit the two circular inner walls of the annular inner cavity at the end of the lower hopper 4 to rotate, thereby facilitating the cleaning work in the lower hopper 4.
[0029] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.
[0030] 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 PE pipe extruder with a cleaning mechanism, characterized in that: The invention comprises a workbench (1), wherein a PE pipe extrusion device (3) is arranged on the workbench (1), a feeding device (2) is arranged on the top of the extrusion device (3), a lower hopper (4) is installed at one end of the extrusion device (3), the inner cavity at the end of the lower hopper (4) is an annular structure, and a cleaning device for scraping the inner wall material at the end of the lower hopper (4) is arranged at one end of the workbench (1); The cleaning device comprises a position adjustment component, a rotating component and a scraping component, wherein one end of the adjustment component is connected to the end of the workbench (1), the top of the adjustment component is connected to the rotating component, and the scraping component is connected to the rotating end of the rotating component; The scraping assembly comprises two mounting rings (5) and a plurality of placement plates (6), wherein the plurality of placement plates (6) are evenly distributed in a ring shape and are fixedly connected between the two mounting rings (5), and a plurality of electric heating wires (7) are fixedly connected at intervals between the plurality of placement plates (6). An inner scraper (9) is fixedly connected to the side wall of at least one placement plate (6) facing the center of the mounting ring (5), and an outer scraper (8) is fixedly connected to the side wall of at least one placement plate (6) away from the center of the mounting ring (5). The ends of the outer scraper (8) and the ends of the inner scraper (9) can respectively fit the two circular inner walls of the annular inner cavity at the end of the lower hopper (4).
2. The PE pipe extruder with a cleaning mechanism according to claim 1, characterized in that: The adjustment assembly comprises a second mounting plate (15), a second electric cylinder (16) and a longitudinal moving member, wherein the second mounting plate (15) is detachably connected to the end of the workbench (1), one end of the second electric cylinder (16) is fixedly connected to the side wall of the second mounting plate (15), the telescopic end of the second electric cylinder (16) is fixedly connected to the longitudinal moving member, and the top of the longitudinal moving member is connected to the rotating assembly.
3. The PE pipe extruder with a cleaning mechanism according to claim 2, characterized in that: The longitudinal moving member comprises a first mounting plate (14) and a first electric cylinder (13); the second mounting plate (15) is fixedly connected to the telescopic end of the second electric cylinder (16); the top of the second mounting plate (15) is fixedly connected to the first electric cylinder (13); and the top of the first electric cylinder (13) is fixedly connected to the rotating assembly.
4. The PE pipe extruder with a cleaning mechanism according to claim 3, characterized in that: The rotating assembly comprises a mounting block (10), a driving member and a rotating plate (12); the bottom of the mounting block (10) is fixedly connected to the telescopic end of the first electric cylinder (13); the driving member is fixedly mounted on the side wall of the mounting block (10); the rotating plate (12) is arranged on a side of the mounting block (10) away from the driving member; the rotating plate (12) is fixedly connected to the output end of the driving member, and the rotating plate (12) is fixedly connected to the mounting ring (5).
5. The PE pipe extruder with a cleaning mechanism according to claim 4, characterized in that: The driving member is a motor (11), the motor (11) is fixedly mounted on a side wall of the mounting block (10), and the rotating plate (12) is fixedly connected to an output end of the motor (11).
6. The PE pipe extruder with a cleaning mechanism according to claim 5, characterized in that: Through holes are provided at both ends of the second mounting plate (15), and bolts are movably inserted into the through holes at both ends of the second mounting plate (15), and the outer surfaces of the bolts are threadedly connected to the inner walls of the grooves provided at the ends of the workbench (1).
7. The PE pipe extruder with a cleaning mechanism according to claim 1, characterized in that: The plurality of electric heating wires (7) arranged at intervals between the plurality of placement plates (6) are distributed at equal intervals.
