Dismounting structure of double-screw extruder for biodegradable film blowing material

By designing automated mobile devices and adjustment devices, the problem of high frequency of manual operation and maintenance in the disassembly structure of existing twin-screw extruders is solved, and the degree of automation and overall cost-effectiveness are improved.

CN222590624UActive Publication Date: 2025-03-11HUBEI JIAYAN RUBBER PRODUCTS CO LTD
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Patent Information

Application Number
CN202420374571.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-28
Publication Date
2025-03-11
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

The existing twin-screw extruder disassembly structure requires staff operation during the disassembly process, which reduces the degree of automation, and multiple separate telescopic drive parts need to be regularly inspected and repaired after long work, increasing the overall cost.

Method used

A twin screw extruder disassembly structure including a structural body, a universal wheel, a moving device and a regulating device is designed. The mobile device automatically drives the spiral rod to move through the motor drive gear and the slider system to disassemble, and the adjustment device adjusts the height of the disassembly table by driving the double-headed studs through the motor drive.

Benefits of technology

It improves the automation of twin-screw extruder disassembly, reduces manual operation, reduces maintenance frequency and cost, and improves disassembly efficiency and flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of extruders, in particular to a disassembly structure of a double-screw extruder for biodegradable film blowing materials, which comprises a structure body and universal wheels, the outer wall of the structure body is provided with the universal wheels, and the outer wall of the structure body is fixedly connected with a sleeve. A first motor in a moving device drives a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a transverse roller to rotate, the transverse roller drives a sliding groove to rotate, the sliding groove drives a sliding block to move, the sliding block drives a hollow plate to move, the hollow plate slides in a disassembling table, the hollow plate drives a frame body to move, and therefore a spiral rod is driven to move. According to the dismounting structure, the screw rod is pulled out of the external double-screw extruder, the screw rod is driven to move through the moving device, the screw rod is pulled out of the external double-screw extruder for dismounting, operation of workers is not needed, and the automation degree of dismounting of the double-screw extruder through the dismounting structure is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of extruders, in particular to a disassembly structure of a twin-screw extruder for biodegradable film blowing materials. Background Art

[0002] Extruder is a type of plastic machinery. When producing biodegradable blown film materials, it is necessary to use a twin-screw extruder. After the twin-screw extruder has been working for a long time, it needs to be disassembled through a disassembly structure.

[0003] For example, a twin-screw extruder disassembly structure with authorization announcement number CN220129450U includes a disassembly platform, a movable support plate, a fixed support plate, a first U-shaped groove and a second U-shaped groove, wherein the movable support plate is arranged at the top of the disassembly platform, and the first U-shaped groove is arranged inside the movable support plate, which can not only quickly pull out the twin screws, but also improve the disassembly efficiency and make the disassembly work more labor-saving, and the position and height can be adjusted to meet the disassembly requirements of different twin-screw extruder disassembly structures; however, when in use, when the disassembly structure is disassembling the twin-screw extruder, the screw rod is fixed to the first U-shaped groove, and then the screw rod is fixed to the first U-shaped groove by the work Personnel are needed to move the supporting plate to process the spiral rod and pull it out from the twin-screw extruder for disassembly, which requires staff to operate during disassembly, thereby reducing the degree of automation of the disassembly structure for the twin-screw extruder; at the same time, when the disassembly structure is disassembling the twin-screw extruder, a plurality of separate telescopic drive members are used to drive the disassembly table to move, so as to disassemble the twin-screw extruders at different heights, resulting in the need to regularly check the telescopic drive members after the multiple separate telescopic drive members have worked for a long time, and to repair them if they are found to be damaged, thereby reducing the overall cost of the disassembly structure. Utility Model Content

[0004] The utility model aims to solve the problem of reducing the overall cost and automation degree of the disassembly structure for a twin-screw extruder for disassembly of a twin-screw extruder, and proposes a disassembly structure for a twin-screw extruder for biodegradable film blowing materials.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A disassembly structure of a twin-screw extruder for biodegradable blown film materials is designed, comprising a structural body and a universal wheel, wherein the outer wall of the structural body is provided with a universal wheel, the outer wall of the structural body is fixedly connected with a sleeve, the interior of the sleeve is slidably connected to a column, the end of the column is fixedly connected to the outer wall of a disassembly platform, a moving device is provided inside the disassembly platform, and an adjusting device is provided inside the structural body.

[0007] Preferably, the moving device includes a first motor and a first gear, the first motor is fixedly connected to the outer wall of the disassembly platform through a motor sleeve, the output shaft of the first motor is fixedly connected to the first gear, the first gear is meshed with the second gear, the second gear is fixedly connected to the outer wall of the transverse roller, both ends of the transverse roller are rotatably connected to the disassembly platform through bearings, and a slide groove is provided on the surface of the transverse roller, and the slide groove is slidably connected to the slider.

[0008] Preferably, the sliding block is fixedly connected to the inner wall of the hollow plate, the hollow plate is slidably connected to the inside of the disassembly platform, and the outer wall of the hollow plate is fixedly connected to a frame.

[0009] Preferably, the frame is connected to the thread, and the end of the bolt is rotatably connected to the curved block via a bearing.

[0010] Preferably, the adjusting device includes a second motor, the second motor is fixed to the outer wall of the structural body, the output shaft of the second motor is fixed with a stud, the stud is threadedly connected to the threaded block, both of the threaded blocks are slidingly connected to the structural body, and both of the threaded blocks are rotatably connected to the connecting column through a first pin shaft.

[0011] Preferably, the end of the connecting column is rotatably connected to the vertical block via a second pin shaft, and the vertical block is fixed to the outer wall of the disassembly platform.

[0012] The utility model proposes a disassembly structure of a twin-screw extruder for biodegradable blown film materials, and its beneficial effects are: a first motor in a moving device drives a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a transverse roller to rotate, the transverse roller drives a slide groove to rotate, the slide groove drives a slider to move, the slider drives a hollow plate to move, the hollow plate slides in a disassembly table, the hollow plate drives a frame to move, thereby driving a screw rod to move, and the screw rod is pulled out of an external twin-screw extruder. When the disassembly structure is set to disassemble the twin-screw extruder, the moving device is used to drive the screw rod to move, and the screw rod is pulled out of the external twin-screw extruder for disassembly, and no staff is required to perform operation, thereby improving the degree of automation of the disassembly structure for the twin-screw extruder.

[0013] The second motor in the adjusting device drives the double-headed stud to rotate, the double-headed stud drives the threaded block to move, the two threaded blocks slide in the structural body, the two threaded blocks drive the connecting column to rotate, the connecting column drives the vertical block to move, the vertical block drives the disassembly table to move, the disassembly table drives the vertical column to move, and the vertical column slides in the sleeve to adjust the height of the disassembly table. When the disassembly structure is set to disassemble the twin-screw extruder, the corresponding chassis structure is driven by the motor to move to adjust the height of the disassembly table, thereby improving the overall cost of the disassembly structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 A schematic diagram of the front view structure of

[0016] Figure 3 for Figure 1 A side view schematic diagram of the structure;

[0017] Figure 4 for Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 5 for Figure 3 Enlarged structural diagram at B in the middle.

[0019] In the figure: 1. structural body, 2. universal wheel, 3. sleeve, 4. column, 5. disassembly table, 6. moving device, 601. first motor, 602. first gear, 603. second gear, 604. cross roller, 605. slide groove, 606. slider, 6a1. first rubber pad, 6a2. second rubber pad, 7. adjusting device, 701. second motor, 702. stud, 703. threaded block, 704. connecting column, 8. block, 9. frame, 10. bolt, 11. curved block, 12. hollow plate. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings: Example 1

[0021] See attached Figure 1-5In the present embodiment, a disassembly structure of a twin-screw extruder for biodegradable blown film materials comprises a structural body 1 and a universal wheel 2. The outer wall of the structural body 1 is provided with the universal wheel 2, and the structural body 1 is moved to the position of an external twin-screw extruder by the universal wheel 2. The outer wall of the structural body 1 is fixedly connected with a sleeve 3, and the interior of the sleeve 3 is slidably connected with a column 4. The end of the column 4 is fixedly connected with the outer wall of a disassembly platform 5. A moving device 6 is provided inside the disassembly platform 5, and an adjusting device 7 is provided inside the structural body 1. The moving device 6 comprises a first motor 601 and a first gear 602. The model of the first motor 601 is selected according to actual needs and can meet the work requirements. The first motor 601 is fixedly connected to the outer wall of the disassembly platform 5 through a motor sleeve, and the output shaft of the first motor 601 is fixedly connected with the first gear 602. The first motor 601 drives the first gear 602 to rotate. A gear 602 is meshed with a second gear 603, the first gear 602 drives the second gear 603 to rotate, the second gear 603 is fixed on the outer wall of the transverse roller 604, the second gear 603 drives the transverse roller 604 to rotate, both ends of the transverse roller 604 are rotatably connected with the disassembly platform 5 through bearings, a slide groove 605 is provided on the surface of the transverse roller 604, the transverse roller 604 drives the slide groove 605 to rotate, the slide groove 605 is slidably connected with the slider 606, the slide groove 605 drives the slider 606 to move, the slider 606 is fixed on the inner wall of the hollow plate 12, the slider 606 drives the hollow plate 12 to move, the hollow plate 12 is slidably connected with the inside of the disassembly platform 5, the outer wall of the hollow plate 12 is fixed with a frame 9, the hollow plate 12 slides in the disassembly platform 5, the hollow plate 12 drives the frame 9 to move, thereby driving the screw rod to move, and the screw rod is extracted from the external twin-screw extruder;

[0022] The first motor 601 in the moving device 6 drives the first gear 602 to rotate, the first gear 602 drives the second gear 603 to rotate, the second gear 603 drives the cross roller 604 to rotate, the cross roller 604 drives the slide 605 to rotate, the slide 605 drives the slider 606 to move, the slider 606 drives the hollow plate 12 to move, the hollow plate 12 slides in the disassembly platform 5, the hollow plate 12 drives the frame 9 to move, thereby driving the screw rod to move, and the screw rod is pulled out of the external twin-screw extruder. When the disassembly structure is set to disassemble the twin-screw extruder, the moving device 6 is used to drive the screw rod to move, and the screw rod is pulled out of the external twin-screw extruder for disassembly, and no staff is required to operate, thereby improving the degree of automation of the disassembly structure for the twin-screw extruder.

[0023] See attached Figure 1-5: In this embodiment, the frame 9 is threadedly connected with the bolt 10, the bolt 10 drives the curved block 11 to move, and fixes the spiral rod. The end of the bolt 10 is rotatably connected to the curved block 11 through a bearing. The adjusting device 7 includes a second motor 701. The model of the second motor 701 is selected according to actual needs and can meet the work requirements. The second motor 701 is fixedly connected to the outer wall of the structural body 1. The output shaft of the second motor 701 is fixedly connected with a stud 702. The second motor 701 drives the stud 702 to rotate. The stud 702 is threadedly connected to the threaded block 703. The stud 702 drives The threaded block 703 moves, and the two threaded blocks 703 are both slidably connected with the structural body 1. The two threaded blocks 703 slide in the structural body 1. The two threaded blocks 703 are both rotatably connected with the connecting column 704 through the first pin shaft. The two threaded blocks 703 drive the connecting column 704 to rotate. The end of the connecting column 704 is rotatably connected with the vertical block 8 through the second pin shaft. The vertical block 8 is fixed to the outer wall of the disassembly platform 5. The connecting column 704 drives the vertical block 8 to move, the vertical block 8 drives the disassembly platform 5 to move, the disassembly platform 5 drives the vertical column 4 to move, and the vertical column 4 slides in the sleeve 3 to adjust the height of the disassembly platform 5.

[0024] The second motor 701 in the adjusting device 7 drives the stud 702 to rotate, the stud 702 drives the threaded block 703 to move, the two threaded blocks 703 slide in the structural body 1, the two threaded blocks 703 drive the connecting column 704 to rotate, the connecting column 704 drives the vertical block 8 to move, the vertical block 8 drives the disassembly platform 5 to move, the disassembly platform 5 drives the vertical column 4 to move, the vertical column 4 slides in the sleeve 3, so as to adjust the height of the disassembly platform 5. When the twin-screw extruder is disassembled, the disassembly structure is set to drive the corresponding chassis structure to move by the motor to adjust the height of the disassembly platform 5, thereby improving the overall cost of the disassembly structure.

[0025] Working principle:

[0026] When the disassembling structure of the twin-screw extruder for biodegradable blown film materials is in use, the structure body 1 is moved to the position of the external twin-screw extruder by the universal wheel 2, and then the adjusting device 7 is started to adjust the height of the disassembling platform 5. After completion, a screw rod inside the external twin-screw extruder is placed inside the left-end wide body 9, and the staff rotates the bolt 10 inside the left-end frame 9, and the bolt 10 drives the curved block 11 to move and fix the screw rod. After completion, the corresponding moving device 6 is started to extract the screw rod from the external twin-screw extruder, and then another screw rod is placed inside the right-end frame 9 to fix it, and then the corresponding moving device 6 is started to extract it from the twin-screw extruder to disassemble the external twin-screw extruder for biodegradable blown film materials. The specific moving process and adjustment process are as follows:

[0027] Moving process:

[0028] The first motor 601 is connected to an external power supply, the first motor 601 drives the first gear 602 to rotate, the first gear 602 drives the second gear 603 to rotate, the second gear 603 drives the cross roller 604 to rotate, the cross roller 604 drives the slide 605 to rotate, the slide 605 drives the slider 606 to move, the slider 606 drives the hollow plate 12 to move, the hollow plate 12 slides in the disassembly table 5, the hollow plate 12 drives the frame 9 to move, thereby driving the screw rod to move, and the screw rod is pulled out of the external twin-screw extruder. After completion, the first motor 601 is stopped, and when the first motor 601 rotates in the opposite direction, the frame 9 returns to the initial position;

[0029] Adjustment process:

[0030] The second motor 701 is connected to an external power supply, the second motor 701 drives the stud 702 to rotate, the stud 702 drives the threaded block 703 to move, the two threaded blocks 703 slide in the structural body 1, the two threaded blocks 703 drive the connecting column 704 to rotate, the connecting column 704 drives the vertical block 8 to move, the vertical block 8 drives the disassembly platform 5 to move, the disassembly platform 5 drives the vertical column 4 to move, the vertical column 4 slides in the sleeve 3 to adjust the height of the disassembly platform 5, and after the adjustment is completed, the second motor 701 is stopped. Example 2

[0031] See attached Figure 1-5 : In this embodiment, the moving device 6 also includes a first rubber pad 6a1 and a second rubber pad 6a2. The first rubber pad 6a1 is fixed to the outer wall of the curved block 11, and the second rubber pad 6a2 is fixed to the inner wall of the frame 9, so that the internal screw rod of the external twin-screw extruder is connected to the second rubber pad 6a2, and then the curved block 11 drives the first rubber pad 6a1 to move and fix the screw rod. The first rubber pad 6a1 and the second rubber pad 6a2 protect the internal screw rod of the external twin-screw extruder.

[0032] Working principle:

[0033] The internal screw rod of the external twin-screw extruder is connected to the second rubber pad 6a2, and then the curved block 11 drives the first rubber pad 6a1 to move and fix the screw rod. The first rubber pad 6a1 and the second rubber pad 6a2 protect the internal screw rod of the external twin-screw extruder.

[0034] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A disassembly structure of a twin-screw extruder for biodegradable blown film materials, comprising a structural body (1) and a universal wheel (2), wherein the outer wall of the structural body (1) is provided with the universal wheel (2), characterized in that: A sleeve (3) is fixedly connected to the outer wall of the structural body (1); the interior of the sleeve (3) is slidably connected to a column (4); the end of the column (4) is fixedly connected to the outer wall of a disassembly platform (5); a moving device (6) is provided inside the disassembly platform (5); and an adjusting device (7) is provided inside the structural body (1).

2. The disassembly structure of a twin-screw extruder for biodegradable film blowing material according to claim 1, characterized in that: The moving device (6) comprises a first motor (601) and a first gear (602); the first motor (601) is fixedly connected to the outer wall of the disassembly platform (5) via a motor sleeve; the output shaft of the first motor (601) is fixedly connected to the first gear (602); the first gear (602) is meshed with a second gear (603); the second gear (603) is fixedly connected to the outer wall of a transverse roller (604); both ends of the transverse roller (604) are rotatably connected to the disassembly platform (5) via bearings; a slide groove (605) is provided on the surface of the transverse roller (604); the slide groove (605) is slidably connected to a slider (606).

3. The disassembly structure of a twin-screw extruder for biodegradable film blowing material according to claim 2, characterized in that: The sliding block (606) is fixedly connected to the inner wall of the hollow plate (12); the hollow plate (12) is slidably connected to the inside of the disassembly platform (5); and the outer wall of the hollow plate (12) is fixedly connected to a frame (9).

4. The disassembly structure of a twin-screw extruder for biodegradable film blowing material according to claim 3, characterized in that: The frame (9) is threadably connected to the bolt (10), and the end of the bolt (10) is rotatably connected to the curved block (11) via a bearing.

5. The disassembly structure of a twin-screw extruder for biodegradable film blowing material according to claim 1, characterized in that: The adjusting device (7) comprises a second motor (701), the second motor (701) being fixedly connected to the outer wall of the structural body (1), the output shaft of the second motor (701) being fixedly connected to a stud (702), the stud (702) being threadedly connected to a threaded block (703), the two threaded blocks (703) being slidably connected to the structural body (1), and the two threaded blocks (703) being rotationally connected to a connecting column (704) via a first pin shaft.

6. The disassembly structure of a twin-screw extruder for biodegradable film blowing material according to claim 5, characterized in that: The end of the connecting column (704) is rotatably connected to the vertical block (8) via a second pin shaft, and the vertical block (8) is fixed to the outer wall of the disassembly platform (5).

Citation Information

Patent Citations

  • Dismounting structure of double-screw extruder

    CN220129450U