Dust removal device for polypropylene film production
By using structural designs such as limiting sleeves and clamps, the problem of difficult replacement of pipes after aging in the dust removal device for polypropylene film production is solved, enabling quick disassembly and assembly and reducing the risk of bolt stripping, thus improving the practicality of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI TENGLEI NEW MATERIAL TECH CO LTD
- Filing Date
- 2025-06-27
- Publication Date
- 2026-05-15
AI Technical Summary
The existing dust removal equipment for polypropylene film production uses a different method for connecting transport pipes, which makes replacement difficult after pipes age, causes bolts to strip easily, increases operational difficulty, and reduces the practicality of the equipment.
The design incorporates a limiting sleeve, clamp, push plate, rotating rod, and turntable to enable quick assembly and disassembly of the connecting pipe, avoiding the problems of prolonged disassembly and bolt stripping caused by pipe aging.
It enables convenient assembly and disassembly of connecting pipes, improves the performance of dust removal devices, and reduces operation time and the risk of bolt stripping.
Smart Images

Figure CN224245647U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of polypropylene film production technology, specifically to a dust removal device for polypropylene film production. Background Technology
[0002] Polypropylene film is an important plastic film material, made from propylene polymer. It has excellent physical, chemical and mechanical properties. Polypropylene film can be divided into several types according to different processing methods and functions, including biaxially oriented polypropylene film, cast polypropylene film and blown polypropylene film.
[0003] According to patent number 202322128168.8 published on the China Patent Network, this utility model provides a dust removal device, which includes: a tank, with multiple exhaust pipes communicating with the inner cavity of the tank at the top; a spray section including multiple nozzles, with one nozzle installed in each exhaust pipe; and a funnel installed in the inner cavity of the tank, with the liquid inlet of the funnel facing the exhaust pipe. The vertical projection of the funnel can cover the vertical projection of each exhaust pipe. The dust removal device of this utility model can solve the problem of poor dust removal effect of existing dust removal devices. However, most of the transport pipes of this dust removal device are connected to the surface of the dust removal device by bolts. This leads to a phenomenon that it takes a lot of time to replace the pipes after they have aged for a long time. In addition, the bolts are prone to stripping after repeated use, which increases the difficulty of operation for users and reduces the practicality of the dust removal device.
[0004] Therefore, it is necessary to improve the dust removal device to prevent the problem of the pipes aging after long-term use and becoming difficult to disassemble and replace. Utility Model Content
[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a dust removal device for polypropylene film production, which has the advantage of easy assembly and disassembly. It solves the problem that most of the transport pipes of the dust removal device are connected to the surface of the dust removal device by bolts, which leads to a lot of time being spent on replacing the pipes after they have aged over a long period of use. In addition, the bolts are prone to stripping after repeated use, which increases the difficulty of operation for users and reduces the practicality of the dust removal device.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a dust removal device for polypropylene film production, comprising a dust collector;
[0007] A connecting pipe is provided on the left side of the dust collector. A limiting sleeve is fixedly connected to the surface of the connecting pipe. The right side of the limiting sleeve contacts the left side of the dust collector. A first retaining sleeve is fixedly connected to the top of the left side of the dust collector and fits onto the surface of the limiting sleeve. A second retaining sleeve is provided at the bottom of the first retaining sleeve and fits onto the surface of the limiting sleeve. The right side of the second retaining sleeve is slidably connected to the left side of the dust collector. A connecting rod is fixedly connected to the bottom of the left side of the dust collector. A transmission box is fixedly connected to the bottom of the transmission box. A push plate is slidably connected inside the transmission box. The bottom of the connecting rod extends into the interior of the transmission box and is fixedly connected to the top of the push plate. A pull rod is movably connected to the bottom of the push plate through a bearing. The bottom of the pull rod extends into the bottom of the transmission box. An elliptical baffle is fixedly connected to the surface of the pull rod, and the bottom of the elliptical baffle contacts the bottom of the inner wall of the transmission box.
[0008] In a preferred embodiment of this invention, a limiting box is fixedly connected to the left side of the transmission box. A rotating rod is provided on the left side of the limiting box. The right side of the rotating rod extends into the interior of the limiting box and is movably connected to the left side of the transmission box via a bearing. A turntable is fixedly connected to the surface of the rotating rod. Two traction rods are fixedly connected to the left side of the turntable. A pull plate is sleeved on the surface of the traction rod. A movable plate is movably connected to the end of the pull plate away from the traction rod via a rotating shaft. The surface of the movable plate is slidably connected to the inner wall of the limiting box. A fixed plate is fixedly connected to the outer side of the movable plate. The end of the fixed plate away from the movable plate passes through the limiting box and is fixedly connected to a limiting block. The inner side of the limiting block extends into the interior of the transmission box and contacts the bottom of the push plate.
[0009] As a preferred embodiment of this utility model, two guide rods are vertically fixedly connected inside the transmission box. The guide rods pass through the push plate and are slidably connected to the push plate. A spring return device is sleeved on the surface of the guide rod. The top of the spring return device contacts the bottom of the push plate, and the bottom of the spring return device contacts the bottom of the inner wall of the transmission box.
[0010] As a preferred embodiment of this utility model, a rotating block is fixedly connected to the left side of the rotating rod, and the surface of the rotating block is provided with an anti-slip groove.
[0011] As a preferred embodiment of this invention, a friction pad is fixedly connected to the inner side of the limiting block, and the surface of the friction pad is in contact with the inner wall of the transmission box.
[0012] As a preferred embodiment of this utility model, a torsion spring is sleeved on the surface of the rotating rod, the right side of the torsion spring is fixedly connected to the left side of the turntable, and the left side of the torsion spring is fixedly connected to the inner wall of the limiting box.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] 1. This utility model can effectively and quickly disassemble and assemble the connecting pipe, avoiding the need for users to spend a lot of time disassembling the pipe after it ages. In addition, the bolts are prone to stripping after long-term use, thus enhancing the performance of the dust collector.
[0015] 2. This utility model, by setting a limiting box, rotating rod, turntable, traction rod, pull plate, moving plate, fixed plate and limiting block, can limit the push plate and avoid the phenomenon of breakage and loosening that is easily caused by only supporting it with an elliptical baffle. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a partial disassembly enlarged view of the present invention;
[0018] Figure 3 This is an enlarged cross-sectional view of the transmission box of this utility model;
[0019] Figure 4 This is an enlarged cross-sectional view of the limiting box of this utility model.
[0020] In the diagram: 1. Dust collector; 2. Connecting pipe; 3. Limiting sleeve; 4. First clamping sleeve; 5. Second clamping sleeve; 6. Connecting rod; 7. Transmission box; 8. Push plate; 9. Pull rod; 10. Elliptical baffle; 11. Limiting box; 12. Rotating rod; 13. Turntable; 14. Traction rod; 15. Pulling plate; 16. Moving plate; 17. Fixed plate; 18. Limiting block; 19. Guide rod; 20. Rebound spring; 21. Rotating block; 22. Anti-slip groove; 23. Friction pad; 24. Torsion spring. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] like Figures 1 to 4 As shown, the present invention provides a dust removal device for polypropylene film production, including a dust collector 1;
[0023] A connecting pipe 2 is provided on the left side of the dust collector 1. A limiting sleeve 3 is fixedly connected to the surface of the connecting pipe 2. The right side of the limiting sleeve 3 contacts the left side of the dust collector 1. A first clamping sleeve 4 is fixedly connected to the top of the left side of the dust collector 1. The first clamping sleeve 4 is fitted onto the surface of the limiting sleeve 3. A second clamping sleeve 5 is provided at the bottom of the first clamping sleeve 4. The second clamping sleeve 5 is fitted onto the surface of the limiting sleeve 3. The right side of the second clamping sleeve 5 is slidably connected to the left side of the dust collector 1. A connecting rod 6 is fixedly connected to the bottom of the second clamping sleeve 5. A transmission box 7 is fixedly connected to the bottom of the left side of the dust collector 1. A push plate 8 is slidably connected inside the transmission box 7. The bottom of the connecting rod 6 extends into the transmission box 7 and is fixedly connected to the top of the push plate 8. A pull rod 9 is movably connected to the bottom of the push plate 8 through a bearing. The bottom of the pull rod 9 extends through to the bottom of the transmission box 7. An elliptical baffle 10 is fixedly connected to the surface of the pull rod 9. The bottom of the elliptical baffle 10 contacts the bottom of the inner wall of the transmission box 7.
[0024] refer to Figure 4 A limiting box 11 is fixedly connected to the left side of the transmission box 7. A rotating rod 12 is provided on the left side of the limiting box 11. The right side of the rotating rod 12 extends into the interior of the limiting box 11 and is movably connected to the left side of the transmission box 7 through a bearing. A turntable 13 is fixedly connected to the surface of the rotating rod 12. Two traction rods 14 are fixedly connected to the left side of the turntable 13. A pull plate 15 is sleeved on the surface of the traction rod 14. A movable plate 16 is movably connected to the end of the pull plate 15 away from the traction rod 14 through a rotating shaft. The surface of the movable plate 16 is slidably connected to the inner wall of the limiting box 11. A fixed plate 17 is fixedly connected to the outer side of the movable plate 16. The end of the fixed plate 17 away from the movable plate 16 passes through the limiting box 11 and is fixedly connected to a limiting block 18. The inner side of the limiting block 18 extends into the interior of the transmission box 7 and contacts the bottom of the push plate 8.
[0025] As a technical optimization of this utility model, by setting a limiting box 11, a rotating rod 12, a turntable 13, a traction rod 14, a pull plate 15, a moving plate 16, a fixed plate 17 and a limiting block 18, the push plate 8 can be limited, avoiding the phenomenon of breakage and loosening that is easily caused by only supporting it with an elliptical baffle 10.
[0026] refer to Figure 3 The transmission box 7 has two guide rods 19 fixedly connected vertically inside. The guide rods 19 pass through the push plate 8 and are slidably connected to the push plate 8. The surface of the guide rods 19 is fitted with a spring return device 20. The top of the spring return device 20 contacts the bottom of the push plate 8, and the bottom of the spring return device 20 contacts the bottom of the inner wall of the transmission box 7.
[0027] As a technical optimization of this utility model, by setting the guide rod 19 and the spring return device 20, the push plate 8 can be moved downward automatically, which improves the practicality of the push plate 8.
[0028] refer to Figure 2A rotating block 21 is fixedly connected to the left side of the rotating rod 12, and an anti-slip groove 22 is provided on the surface of the rotating block 21.
[0029] As a technical optimization of this utility model, by setting the rotating block 21 and the anti-slip groove 22, it is convenient for the user to rotate the rotating rod 12 and prevent the user from easily slipping when directly rotating the rotating rod 12.
[0030] refer to Figure 4 A friction pad 23 is fixedly connected to the inner side of the limiting block 18, and the surface of the friction pad 23 is in contact with the inner wall of the transmission box 7.
[0031] As a technical optimization of this utility model, by setting the friction pad 23, the bottom of the limiting block 18 can be in closer contact with the push plate 8, thereby increasing the contact area between the limiting block 18 and the push plate 8.
[0032] refer to Figure 4 A torsion spring 24 is fitted on the surface of the rotating rod 12. The right side of the torsion spring 24 is fixedly connected to the left side of the turntable 13, and the left side of the torsion spring 24 is fixedly connected to the inner wall of the limiting box 11.
[0033] As a technical optimization of this utility model, by setting a torsion spring 24, the rotating rod 12 can be limited to prevent the rotating rod 12 from loosening and rotating.
[0034] The working principle and usage process of this utility model are as follows: In use, firstly, the connecting pipe 2 is inserted into the first retaining sleeve 4 through the limiting sleeve 3. After insertion, the pull rod 9 is pushed upwards. The pull rod 9 pushes the push plate 8 upwards, which in turn moves the connecting rod 6 upwards. The connecting rod 6 then moves the second retaining sleeve 5 upwards, so that the second retaining sleeve 5 is fitted onto the surface of the limiting sleeve 3, limiting the limiting sleeve 3 and the connecting pipe 2. Then, the pull rod 9 is rotated, causing the elliptical baffle 10 to rotate. After rotating 90 degrees, the pull rod 9 is released, allowing the elliptical baffle 10 to... The bottom of the push plate 8 is pressed against the inside of the transmission box 7 to limit its movement. After the limit is reached, the rotating block 21 is rotated. The rotating block 21 drives the rotating rod 12 to rotate. The rotating rod 12 drives the turntable 13 and the traction rod 14 to rotate. When the traction rod 14 rotates, it pulls the moving plate 16 to move inward. The moving plate 16 drives the fixed plate 17 and the limiting block 18 to move inward, so that the limiting block 18 is inserted into the inside of the transmission box 7 and contacts the bottom of the push plate 8, so that the limiting block 18 limits the push plate 8 a second time. Finally, if it is necessary to disassemble the connecting pipe 2, the above operation can be reversed.
[0035] In summary, this dust removal device for polypropylene film production, by setting up a first clamping sleeve 4, a second clamping sleeve 5, a push plate 8, a connecting rod 6, a pull rod 9, and an elliptical baffle 10, can initially limit the connection pipe 2, preventing it from loosening during installation. By setting up a rotating rod 12, a turntable 13, a traction rod 14, a pull plate 15, a moving plate 16, a fixed plate 17, and a limiting block 18, it can support the push plate 8, preventing the baffle from easily breaking and falling off if limited only by the elliptical baffle 10. This provides the advantage of easy assembly and disassembly. It also solves the problem that most of the transport pipes in this dust removal device are connected to the surface of the dust removal device by bolts, which leads to a lot of time spent replacing the pipes after long-term use and aging. Furthermore, the bolts are prone to stripping after repeated use, increasing the difficulty of operation for users and reducing the practicality of the dust removal device.
[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A dust removal device for polypropylene film production, comprising a dust collector (1); Its characteristics are: A connecting pipe (2) is provided on the left side of the dust collector (1). A limiting sleeve (3) is fixedly connected to the surface of the connecting pipe (2). The right side of the limiting sleeve (3) contacts the left side of the dust collector (1). A first retaining sleeve (4) is fixedly connected to the top of the left side of the dust collector (1). The first retaining sleeve (4) is fitted onto the surface of the limiting sleeve (3). A second retaining sleeve (5) is provided at the bottom of the first retaining sleeve (4). The second retaining sleeve (5) is fitted onto the surface of the limiting sleeve (3). The right side of the second retaining sleeve (5) is slidably connected to the left side of the dust collector (1). A connecting rod (6) is fixedly connected to the bottom. A transmission box (7) is fixedly connected to the bottom left side of the dust collector (1). A push plate (8) is slidably connected inside the transmission box (7). The bottom of the connecting rod (6) extends into the interior of the transmission box (7) and is fixedly connected to the top of the push plate (8). A pull rod (9) is movably connected to the bottom of the push plate (8) through a bearing. The bottom of the pull rod (9) extends through to the bottom of the transmission box (7). An elliptical baffle (10) is fixedly connected to the surface of the pull rod (9). The bottom of the elliptical baffle (10) contacts the bottom of the inner wall of the transmission box (7).
2. The dust removal device for polypropylene film production according to claim 1, characterized in that: A limiting box (11) is fixedly connected to the left side of the transmission box (7). A rotating rod (12) is provided on the left side of the limiting box (11). The right side of the rotating rod (12) extends into the interior of the limiting box (11) and is movably connected to the left side of the transmission box (7) through a bearing. A turntable (13) is fixedly connected to the surface of the rotating rod (12). Two traction rods (14) are fixedly connected to the left side of the turntable (13). A pull plate (15) is sleeved on the surface of the traction rod (14). 15) A movable plate (16) is movably connected to the end away from the traction rod (14) via a rotating shaft. The surface of the movable plate (16) is slidably connected to the inner wall of the limiting box (11). A fixed plate (17) is fixedly connected to the outer side of the movable plate (16). The end of the fixed plate (17) away from the movable plate (16) passes through the limiting box (11) and is fixedly connected to a limiting block (18). The inner side of the limiting block (18) extends into the interior of the transmission box (7) and contacts the bottom of the push plate (8).
3. The dust removal device for polypropylene film production according to claim 1, characterized in that: The transmission box (7) has two guide rods (19) fixedly connected vertically inside. The guide rods (19) pass through the push plate (8) and are slidably connected to the push plate (8). A rebound device (20) is sleeved on the surface of the guide rods (19). The top of the rebound device (20) contacts the bottom of the push plate (8), and the bottom of the rebound device (20) contacts the bottom of the inner wall of the transmission box (7).
4. A dust removal device for polypropylene film production according to claim 2, characterized in that: A rotating block (21) is fixedly connected to the left side of the rotating rod (12), and an anti-slip groove (22) is provided on the surface of the rotating block (21).
5. A dust removal device for polypropylene film production according to claim 2, characterized in that: A friction pad (23) is fixedly connected to the inner side of the limiting block (18), and the surface of the friction pad (23) is in contact with the inner wall of the transmission box (7).
6. A dust removal device for polypropylene film production according to claim 2, characterized in that: A torsion spring (24) is sleeved on the surface of the rotating rod (12). The right side of the torsion spring (24) is fixedly connected to the left side of the turntable (13), and the left side of the torsion spring (24) is fixedly connected to the inner wall of the limiting box (11).