Stirring device for PVC drainage pipe fitting production

By designing a removable agitator for the production of PVC drainage fittings, the problem of difficulty in cleaning the inner wall of the housing after the equipment is shut down is solved, rapid cleaning and automatic scraping are achieved, and production efficiency is improved.

CN222610077UActive Publication Date: 2025-03-14ZHEJIANG VICPIC PLASTIC IND CO LTD
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Patent Information

Application Number
CN202420984218.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2025-03-14
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

After the existing agitator for the production of PVC drainage fittings is shut down for a long time, it is difficult to clean the inner wall of the shell, resulting in a decrease in the material capacity during the next startup, affecting production efficiency.

Method used

A stirring device including a shell, a cover plate, a rotary shaft and a motor is designed. By unscrewing the screws to remove the cover plate, workers can easily clean the inner wall of the shell and the stirring blades, and automatically scrape the material from the inner wall of the shell through a combination of scraper and electric push rod.

Benefits of technology

It realizes the rapid cleaning of the inner wall of the shell and the stirring leaves after the equipment is shut down for a long time, avoiding the problem of reducing material capacity, improving production efficiency, and saving manpower.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stirring device for PVC drainage pipe fitting production, and belongs to the technical field of PVC pipe fitting production. The device comprises a shell, a cover plate, a rotating shaft and a first motor. Materials enter the shell through the feeding port, the motor can drive the rotating shaft to rotate, the rotating shaft rotates to drive the stirring blades to rotate so as to stir the materials in the shell, the valve is opened, the stirred materials can be discharged through the discharging port, and when the equipment needs to be shut down for a long time, the cover plate can be detached from the shell by unscrewing the screws, so that the equipment is convenient to use. A worker can clean the inner wall of the shell and the stirring blades, so that the cleaning is relatively convenient.
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Description

Technical Field

[0001] The present application relates to the technical field of PVC pipe production, and in particular to a stirring device for producing PVC drainage pipe fittings. Background Art

[0002] PVC is a common raw material for pipe processing. It is the abbreviation of polyvinyl chloride material. The physical properties of PVC, such as molecular weight, crystallinity, and softening point, vary with the polymerization reaction conditions (temperature). PVC resin is used as the base material, mixed with stabilizers, plasticizers, fillers, colorants, modifiers and other additives, and processed by plasticization and molding to form PVC resin plastic. PVC material has the characteristics of light weight, heat insulation, heat preservation, moisture resistance, flame retardancy, and easy construction.

[0003] A stirring device for the production of PVC drainage pipe fittings is disclosed in the patent with announcement number CN213885738U. When working, the material is poured into the shell through the feed trough, and the driving motor is controlled to work. The rotating rod can drive the lifting plate fixedly connected to the connecting rod to rotate, so that the materials at the upper and lower ends of the shell can be evenly stirred. However, due to the viscosity of the material, it is inconvenient to clean the inner wall of the shell when the equipment needs to be shut down for a long time, which results in less material being able to be accommodated in the shell when the shell is fed after the next startup. Utility Model Content

[0004] The purpose of this application is to address the above-mentioned problems existing in the prior art and to propose a stirring device for the production of PVC drainage pipe fittings.

[0005] The present application can be implemented through the following technical scheme: A stirring device for the production of PVC drainage pipe fittings, including a shell, a cover plate, a rotating shaft and a motor 1. The shell is provided with a discharge port at one end close to the ground, and a valve is provided at the discharge port. The shell is used to accommodate materials, and the shell is provided with a plurality of threaded holes 1 at one end away from the ground, and the plurality of threaded holes 1 are arranged along the axis of the shell itself; the cover plate is provided with a feed port, and the cover plate is provided with a plurality of threaded holes 2, and the same screw is passed through one threaded hole 1 and one threaded hole 2, and the plurality of threaded holes 2 can correspond to the plurality of threaded holes 1 one by one; the rotating shaft is rotatably connected to the cover plate, and the axial outer wall of the rotating shaft is fixedly connected with a plurality of stirring blades, and the plurality of stirring blades can all contact with the materials in the shell; the motor 1 is used to drive the rotating shaft to rotate.

[0006] In the above technical solution, the material is supplied from the feed port to enter the shell, the motor can drive the shaft to rotate, the rotation of the shaft can drive the stirring blades to rotate and stir the material in the shell, and the material after stirring can be discharged through the discharge port after the valve is opened. When the equipment needs to be shut down for a long time, the cover plate can be removed from the shell by unscrewing the screws, and the workers can clean the inner wall of the shell and the stirring blades, which is more convenient.

[0007] Furthermore, the shell includes a shell body and a truncated cone end. The threaded hole is provided on the shell body; the truncated cone end is integrally formed with the shell body, the truncated cone end is connected to the inside of the shell body and can accommodate materials, the cross-sectional area of ​​the end of the truncated cone end close to the ground is smaller than the cross-sectional area of ​​the end of the truncated cone end away from the ground, and the discharge port is located at the lowest point of the truncated cone end.

[0008] In the above technical solution, the frustum end can enable the material to more fully leave the interior of the shell through the discharge port.

[0009] Furthermore, it also includes a scraper and an electric push rod. The scraper can contact the vertical inner wall of the shell body; the electric push rod is used to drive the scraper to move vertically and linearly so that the material can leave the vertical inner wall of the shell body.

[0010] In the above technical solution, the electric push rod can drive the scraper to move vertically and linearly, so that the scraper can scrape the material on the vertical inner wall of the shell body, eliminating the need for workers to manually scrape the material on the inner wall of the shell body, thus saving manpower.

[0011] Furthermore, it also includes a rotating plate and a second motor. The rotating plate is integrally formed with the scraper, the rotating plate is located on the side of the scraper close to the ground, and the rotating plate can contact the inner wall of the truncated cone end; the second motor is used to drive the scraper to rotate, and the rotating plate can scrape the material on the inner wall of the truncated cone end as the scraper rotates.

[0012] In the above technical solution, the rotating plate and the scraper are integrally formed, and the rotating plate can contact the inner wall of the truncated cone end. Motor 2 can drive the rotating plate to rotate and scrape the material on the inner wall of the truncated cone end, which is more convenient.

[0013] Furthermore, it also includes a fixing rod, an adjusting rod and an adjusting assembly. The fixing rod is vertically arranged, and the fixing rod is hinged to the center of the end of the scraper away from the ground; the adjusting rod is hinged to the end of the scraper away from the ground, and the adjusting rod is detachably connected to the fixing rod, so that the axis of the scraper is vertical or inclined relative to the ground; the adjusting assembly is used to adjust the position of the adjusting rod relative to the fixing rod, so that the axis of the scraper is vertical or inclined relative to the ground.

[0014] In the above technical solution, after the electric push rod drives the scraper to scrape the material from top to bottom, the electric push rod needs to drive the scraper to move vertically upward so that the scraper and the rotating plate leave the inside of the shell. Since the end of the scraper facing away from the electric push rod is attached with material, the material attached to the scraper will adhere to the inner wall of the shell again during the return process of the scraper. The fixed rod is hinged to the center of the end of the scraper facing away from the ground, and the adjusting rod is hinged to the end of the scraper facing away from the ground. When the scraper needs to return, the position of the adjusting rod can be adjusted by the adjusting assembly to make the scraper axis tilt relative to the ground, so as to reduce the area of ​​material on the scraper adhering to the inner wall of the shell during the return process of the scraper.

[0015] Furthermore, the adjustment component includes a limit hole and a rope. The limit holes are provided with three, two of which are opened on the fixing rod and arranged along the length direction of the fixing rod, and one of which is opened on the adjustment rod; the rope can be simultaneously passed through the limit hole on the adjustment rod and one of the two limit holes on the fixing rod, so that the posture of the scraper can change with the posture of the adjustment rod so that its axis is vertical or inclined relative to the ground.

[0016] In the above technical solution, when the scraper posture needs to be adjusted, the rope can be first passed through the limit hole on the adjusting rod, and then the rope can be passed through one of the two limit holes on the fixed rod, and then the two ends of the rope are tied. At this time, the adjusting rod is fixed relative to the fixed rod, and the scraper posture can change with the posture of the adjusting rod, so that the scraper axis can be made vertical or inclined relative to the ground.

[0017] Furthermore, it also includes a suction end capable of sucking gas at the feed inlet.

[0018] In the above technical solution, the material located in the shell contains toxic gas. During the feeding process, the toxic gas will overflow through the feed port. The suction end can suck away the toxic gas overflowing from the feed port, thereby reducing the possibility of toxic gas overflowing from the feed port during the feeding process and endangering the health of workers.

[0019] Furthermore, a handle for holding is formed on one end of the cover plate facing away from the ground.

[0020] In the above technical solution, the handle makes it easier for workers to pick up the cover, which is more convenient.

[0021] To sum up, the present application has the following technical effects: the material is supplied from the feed port to enter the shell, the motor can drive the rotating shaft to rotate, the rotation of the rotating shaft can drive the stirring blades to rotate and stir the material in the shell, and the material after stirring can be discharged through the discharge port after the valve is opened. When the equipment needs to be shut down for a long time, the cover plate can be removed from the shell by unscrewing the screws, and the workers can clean the inner wall of the shell and the stirring blades, which is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of this application;

[0023] Figure 2 It is a schematic diagram of the position of the rotating shaft of this application;

[0024] Figure 3 It is a schematic diagram of the location of the discharge port in this application;

[0025] Figure 4 It is a schematic diagram of the position of the rope in this application.

[0026] Description of reference numerals:

[0027] 1. Shell; 11. Discharge port; 12. Threaded hole 1; 13. Shell; 14. Cone end; 2. Valve; 3. Cover plate; 31. Feed port; 32. Threaded hole 2; 4. Screw; 5. Rotating shaft; 6. Motor 1; 7. Scraper; 8. Electric push rod; 9. Rotating plate; 10. Motor 2; 15. Fixed rod; 16. Adjusting rod; 17. Adjusting assembly; 171. Limiting hole; 172. Rope; 18. Suction end; 19. Handle; 20. Cover; 21. Frame; 22. Stirring blade. DETAILED DESCRIPTION

[0028] Please refer to the attached drawings in the instruction manual. Figure 1 and Figure 2 One embodiment of the present application provides a stirring device for the production of PVC drainage pipe fittings, including a shell 1, the shell 1 including a cylindrical shell body 13, the shell body 13 and a truncated cone end 14 are integrally formed, the cross-section of the shell 1 of the truncated cone end 14 is circular, the cross-sectional area of ​​the end of the truncated cone end 14 close to the ground is smaller than the cross-sectional area of ​​the end of the truncated cone end 14 away from the ground, a discharge port 11 is provided at the lowest point of the truncated cone end 14, a valve 2 is detachably installed at the discharge port 11, the truncated cone end 14 is connected to the inside of the shell body 13 and can accommodate materials, the materials include PVC resin, stabilizer and plasticizer, etc. The end of the shell body 13 away from the truncated cone end 14 is detachably connected to a cover plate 3, and a feed port 31 is provided through the cover plate 3, the feed port 31 is used for the material to enter the shell 1, the feed port 31 is clamped with a cover 20, and the feed port 31 can be covered by the cover 20 after the feeding of the feed port 31 is completed. The center of the cover plate 3 is rotatably connected to a rotating shaft 5, and the feed port 31 is located beside the connection between the cover plate 3 and the rotating shaft 5. The rotating shaft 5 is placed vertically, and eight stirring blades 22 are fixedly installed on the axial outer wall of the rotating shaft 5. The eight stirring blades 22 can all contact with the material in the shell 1. The rotating shaft 5 is driven by a motor 6 to rotate along its own axis. The rotation of the rotating shaft 5 can drive the stirring blades 22 to rotate, thereby stirring the material in the shell 1.

[0029] Please refer to the attached drawings in the instruction manual. Figure 1 and Figure 3A valve 2 is detachably mounted at the discharge port 11. The valve 2 can be opened so that the material after mixing can be discharged through the valve 2. The truncated cone end 14 allows the material to leave the inside of the shell 1 more fully. A suction end 18 is placed next to the feed port 31. The suction end 18 can be connected to an external vacuum pump. The suction end 18 can extract the gas located at the feed port 31. When the worker feeds the feed port 31, toxic gas will be generated during the mixing of the material in the shell 1. The suction end 18 can suck away the toxic gas to avoid the toxic gas overflowing from the feed port 31 during the feeding process, which endangers the health of the workers. After the feeding is completed, the feed port 31 is blocked by the cover 20 to prevent the toxic gas in the shell 1 from overflowing from the feed port 31 during the mixing of the material. At this time, the vacuum pump can be turned off to save resources. Six threaded holes 12 are provided on the vertical outer wall of the shell body 13 at one end facing away from the ground, and the six threaded holes 12 are arranged around the axis of the shell body 13 itself; six threaded holes 2 32 are provided on the cover plate 3, and the six threaded holes 2 32 are arranged around the axis of the cover plate 3 itself; the six threaded holes 2 32 can correspond to the six threaded holes 12 one by one; a threaded hole 12 and the threaded hole 2 32 facing itself are penetrated by the same screw 4; two handles 19 for holding are formed on the end of the cover plate 3 facing away from the ground; when the equipment needs to be shut down for a long time, the screws 4 can be unscrewed and the handles 19 can be held to lift the cover plate 3 to make the cover plate 3 leave the shell body 1; at this time, the inside of the shell body 1 can be cleaned, which is more convenient.

[0030] Please refer to the attached drawings in the instruction manual. Figure 1 and Figure 4 The housing 1 is integrally formed with a frame 21, and the frame 21 is detachably mounted with an electric push rod 8, and a motor 2 10 is detachably mounted on the telescopic end of the electric push rod 8, and a fixing rod 15 is detachably mounted on the output end of the motor 2 10, and the fixing rod 15 is vertically placed, and the fixing rod 15 is hinged to the center of the end of a scraper 7 away from the ground, and the scraper 7 is circular and horizontally placed, and the vertical side wall of the scraper 7 can contact the vertical inner wall of the housing 13, and the electric push rod 8 can drive the scraper 7 to move vertically downward, so as to The scraper 7 can scrape the material on the vertical inner wall of the shell 1 during the vertical linear motion. The scraper 7 is integrally formed with a rotating plate 9. The rotating plate 9 is a right-angled trapezoid and the long side of the right-angled trapezoid is far away from the ground. The hypotenuse of the right-angled trapezoid can contact the inner wall of the truncated cone end 14. The motor 10 can drive the rotating plate 9 to rotate through the fixed rod 15 and the scraper 7. The rotation of the rotating plate 9 can scrape the material on the inner wall of the truncated cone end 14. The material scraped off by the rotating plate 9 can leave the shell 1 through the discharge port 11.

[0031] Please refer to the attached drawings in the instruction manual. Figure 1 and Figure 4It is understandable that after the scraper 7 scrapes the material from top to bottom, the electric push rod 8 needs to drive the scraper 7 to move vertically upward so that the scraper 7 and the rotating plate 9 leave the inside of the shell 1. Since the end of the scraper 7 away from the electric push rod 8 will be attached with material, the material attached to the scraper 7 will be attached to the inner wall of the shell 1 again during the return process of the scraper 7. The center of the end of the scraper 7 away from the ground is hinged to a fixed rod 15, and the end of the scraper 7 away from the ground is also hinged to an adjustment rod 16. The adjustment rod 16 adjusts its posture relative to the fixed rod 15 through an adjustment component 17, so that the posture of the scraper 7 can change with the posture of the adjustment rod 16 so that its axis is vertical or inclined relative to the ground. The adjustment component 17 includes three limiting holes 171, two of which are opened on the fixing rod 15 and arranged along the length direction of the fixing rod 15, and the other limiting hole 171 is opened on the adjustment rod 16. The limiting hole 171 on the adjustment rod 16 and one of the two limiting holes 171 located on the fixing rod 15 are passed through the same rope 172. When the scraper 7 needs to be used to scrape the material on the inner wall of the shell 1, the rope 172 is passed through the limiting hole 171 on the adjusting rod 16 and the limiting hole 171 located on the fixing rod 15 close to the ground, and then the two ends of the rope 172 are tied together. At this time, the position of the scraper 7 is fixed relative to the position of the fixing rod 15 and the axis of the scraper 7 is perpendicular to the ground; when the scraper 7 needs to return, the rope 172 is passed through the limiting hole 171 on the adjusting rod 16 and the limiting hole 171 located on the fixing rod 15 away from the ground, and then the two ends of the rope 172 are tied together. At this time, the axis of the scraper 7 is inclined relative to the ground. This design can reduce the area of ​​the material attached to the scraper 7 that is attached to the inner wall of the shell 1 again during the return process of the scraper 7, thereby reducing the cleaning difficulty for workers.

[0032] The working principle of this embodiment is as follows: when the scraper 7 needs to be used to scrape the material on the inner wall of the shell 1, the cover plate 3 is first removed from the shell 1, the rope 172 is passed through the limiting hole 171 on the adjusting rod 16 and the limiting hole 171 located on the fixing rod 15 close to the ground, and then the two ends of the rope 172 are tied. At this time, the position of the scraper 7 is fixed relative to the position of the fixing rod 15 and the axis of the scraper 7 is perpendicular to the ground. At this time, the scraper 7 can be driven by the electric push rod 8 to move vertically downward, and the motor drives the scraper 7 to rotate, and the scraper 7 and the rotating plate 9 can clean the inner wall of the shell body 13 and the truncated cone end 14; when the scraper 7 needs to return, the rope 172 is passed through the limiting hole 171 on the adjusting rod 16 and the limiting hole 171 located on the fixing rod 15 away from the ground, and then the two ends of the rope 172 are tied. At this time, the axis of the scraper 7 is tilted relative to the ground, and then the scraper 7 is driven to return by the electric push rod 8, which is more convenient.

[0033] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A stirring device for producing PVC drainage pipe fittings, characterized in that: include: A shell (1), wherein an end of the shell (1) close to the ground is provided with a discharge port (11), and a valve (2) is provided at the discharge port (11); the shell (1) is used to contain materials; an end of the shell (1) away from the ground is provided with a plurality of threaded holes (12), and the plurality of threaded holes (12) are arranged along the axis of the shell (1); A cover plate (3), wherein the cover plate (3) is provided with a feed port (31), and the cover plate (3) is provided with a plurality of threaded holes (32), wherein the one threaded hole (12) and the one threaded hole (32) are penetrated by the same screw (4), and the plurality of threaded holes (32) can correspond one to one to the plurality of threaded holes (12); A rotating shaft (5), the rotating shaft (5) being rotatably connected to the cover plate (3), a plurality of stirring blades (22) being fixedly connected to the axial outer wall of the rotating shaft (5), and the plurality of stirring blades (22) are capable of contacting the material in the shell (1); Motor 1 (6), the motor 1 (6) is used to drive the rotating shaft (5) to rotate.

2. A stirring device for producing PVC drainage pipes according to claim 1, characterized in that: The housing (1) comprises: A shell body (13), wherein the threaded hole (12) is provided on the shell body (13); A truncated cone end (14), the truncated cone end (14) and the shell body (13) are integrally formed, the truncated cone end (14) and the shell body (13) are internally connected and both can accommodate materials, the cross-sectional area of ​​the end of the truncated cone end (14) close to the ground is smaller than the cross-sectional area of ​​the end of the truncated cone end (14) facing away from the ground, and the discharge port (11) is located at the lowest point of the truncated cone end (14).

3. A stirring device for producing PVC drainage pipes according to claim 2, characterized in that: Also includes: A scraper (7), wherein the scraper (7) is capable of contacting the vertical inner wall of the shell (13); An electric push rod (8) is used to drive the scraper (7) to move vertically and linearly so that the material can leave the vertical inner wall of the shell body (13).

4. A stirring device for producing PVC drainage pipes according to claim 3, characterized in that: Also includes: a rotating plate (9), the rotating plate (9) being integrally formed with the scraper (7), the rotating plate (9) being located on a side of the scraper (7) close to the ground, and the rotating plate (9) being capable of contacting the inner wall of the truncated cone end (14); Motor 2 (10), the motor 2 (10) is used to drive the scraper (7) to rotate, and the rotating plate (9) can rotate with the scraper (7) to scrape the material on the inner wall of the truncated cone end (14).

5. A stirring device for producing PVC drainage pipes according to claim 3, characterized in that: Also includes: A fixing rod (15), the fixing rod (15) is arranged vertically and is hinged to the center of the end of the scraper (7) facing away from the ground; an adjusting rod (16), the adjusting rod (16) being hinged to an end of the scraper (7) facing away from the ground; An adjusting component (17) is used to adjust the posture of the adjusting rod (16) relative to the fixing rod (15) so that the axis of the scraper (7) is vertical or inclined relative to the ground.

6. A stirring device for producing PVC drainage pipes according to claim 5, characterized in that: The adjustment component (17) comprises: A limiting hole (171), wherein three limiting holes (171) are provided, two limiting holes (171) are opened on the fixing rod (15), and the two limiting holes (171) are arranged along the length direction of the fixing rod (15), and one limiting hole (171) is opened on the adjusting rod (16); A rope (172) can be simultaneously passed through a limiting hole (171) on the adjusting rod (16) and one of two limiting holes (171) on the fixing rod (15), so that the posture of the scraper (7) can change with the posture of the adjusting rod (16) so that its axis is vertical or inclined relative to the ground.

7. A stirring device for producing PVC drainage pipes according to claim 1, characterized in that: It also includes a suction end (18) capable of sucking gas at the feed inlet (31).

8. A stirring device for producing PVC drainage pipes according to claim 1, characterized in that: A handle (19) for holding is formed on one end of the cover plate (3) facing away from the ground.

Citation Information

Patent Citations

  • Stirring device for PVC drainage pipe fitting production

    CN213885738U