Double-drawing polyester film die head cleaning device
By designing a biaxial polyester film die head cleaning device, which uses an inclined sliding cleaning chamber plate and a circular roller brush combined with a spraying mechanism, the problem of complex and incomplete manual cleaning is solved, achieving efficient and non-damaging die head cleaning and improving film quality.
Patent Information
- Application Number
- CN202520290338.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-24
AI Technical Summary
In the existing technology, cleaning the die head of biaxially stretched polyester film relies on manual operation, which is a complicated process that can easily lead to damage to the die head surface or incomplete cleaning, affecting film quality.
A cleaning device for biaxially stretched polyester film die head was designed. It uses an inclined sliding cleaning chamber plate and a circular roller brush in combination with hydraulic drive and a spray mechanism to achieve comprehensive cleaning and rinsing of the die head lip, avoiding the shortcomings of manual operation.
It improves cleaning efficiency, reduces labor intensity, ensures thorough cleaning of the die head lip, enhances film quality stability, and reduces the defect rate.
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Figure CN223904337U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to die cleaning technical field especially relates to a kind of biaxially oriented polyester film die cleaning device. BACKGROUND
[0002] In the booming biaxially oriented polyester film industry, die is undoubtedly one of the core components of the entire production process, and its lip state plays a decisive role in film quality. For a long time, the traditional die lip cleaning means mainly relies on manual operation. In the actual production workshop, workers need to hold various cleaning tools, such as brushes and scrapers, and carefully clean the lip in the narrow and complex die peripheral space.
[0003] Problems existing in the prior art:
[0004] The current manual processing method is complex, the die lip usually has a certain length and a complex contour structure, and the manual point-by-point cleaning is time-consuming. In addition, due to the limited operation accuracy and energy of the human body, excessive cleaning and damage to the die surface may occur in some areas during the cleaning process, and some areas may not be cleaned properly, resulting in dirt residue.
[0005] Therefore, we propose a biaxially oriented polyester film die cleaning device to solve the above problems. CONTENT OF THE UTILITY MODEL
[0006] The utility model aims at solving the shortcomings existing in the prior art and proposes a biaxially oriented polyester film die cleaning device.
[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0008] A biaxially oriented polyester film die cleaning device, comprising a base, a cleaning cavity plate for wrapping the die lip is obliquely arranged on the top of the base, a circular roller brush for cleaning the die lip is arranged inside the cleaning cavity plate, the circular roller brush is installed on a moving block, and the moving block is horizontally connected with the inside of the cleaning cavity plate.
[0009] The inside of the cleaning cavity plate is provided with a reciprocating mechanism for controlling the movement of the moving block, the moving block is provided with a driving assembly for driving the rotation of the circular roller brush, and the inner top of the cleaning cavity plate is further provided with a spraying mechanism for washing the die lip.
[0010] Preferably, the cross-sectional shape of the cleaning cavity plate is C-shaped, and the bottom surface forms a water collection tank for collecting sewage, and one side of the cleaning cavity plate is provided with a sewage discharge pipe for sewage discharge.
[0011] Preferably, the reciprocating mechanism comprises a reciprocating screw rod, which is arranged in the interior of the cleaning cavity plate in a transverse rotating manner, one side of the cleaning cavity plate is provided with a motor fixedly connected coaxially with the reciprocating screw rod, and the moving block is threadedly connected with the outer wall of the reciprocating screw rod.
[0012] Preferably, one side of the moving block is fixedly provided with two fixed ears, the first rotating shaft is rotatably arranged between the two fixed ears, and the two ends of the circular roller brush are coaxially aligned with and fixedly connected with the two first rotating shafts.
[0013] Preferably, the driving assembly comprises a mounting groove formed in one side of one of the fixed ears, one end of the first rotating shaft is fixedly provided with a worm wheel in the mounting groove, a second rotating shaft is rotatably arranged in the interior of the mounting groove and at one side of the worm wheel, the outer wall of the second rotating shaft is fixedly provided with a worm gear engaged with the worm wheel, the top of the second rotating shaft and extending above the fixed ear is fixedly provided with a gear wheel, and the inner top of the cleaning cavity plate is fixedly provided with a toothed plate engaged and matched with the gear wheel.
[0014] Preferably, the top of the base is provided with a plurality of hydraulic cylinders, the output shaft of each hydraulic cylinder is fixedly provided with a mounting plate, the top of each mounting plate is slidably connected with the bottom of the cleaning cavity plate, the two sides of the cleaning cavity plate are both fixedly provided with a limiting sliding block, and the top of the base is obliquely provided with a supporting plate on both sides, and the outer wall of the supporting plate is provided with a limiting sliding groove slidably connected with the limiting sliding block.
[0015] Preferably, the spraying mechanism comprises a hose fixedly arranged on the top of the cleaning cavity plate and capable of being connected with an external water source, and a plurality of flushing heads fixedly arranged on the inner top of the cleaning cavity plate and connected with the hose.
[0016] Preferably, the interior of the cleaning cavity plate is provided with intercepting water-absorbing cotton on both sides for preventing water from overflowing from the two sides.
[0017] Compared with the prior art, the cleaning cavity plate of the utility model has the advantages that:
[0018] The cleaning cavity plate is pushed upward by the hydraulic cylinder and the mounting plate, and then is inclined and slid upward by the limiting sliding block and the limiting sliding groove, and the top and the bottom of the die lip are contacted with the cleaning cavity plate, and the circular roller brush is contacted with the die lip, and then the moving block on the reciprocating screw rod is moved by the motor, the circular roller brush is moved leftward and rightward by the moving block, the worm on the second rotating shaft is rotated by the gear and the toothed plate, the worm and the worm wheel are matched, and the circular roller brush is rotated, so that the die lip can be cleaned comprehensively, the cleaning effect is good, the labor intensity is reduced, the spraying mechanism is matched with the hose and the flushing head, the die lip can be flushed, the cleaning effect of the flushing head is further improved, the problems of incomplete cleaning or excessive cleaning caused by operation errors or fatigue during manual cleaning are avoided, the quality of the produced biaxially oriented polyester film is more stable and reliable, and the rate of defective products is greatly reduced. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a frontal three-dimensional structural schematic diagram of the present invention;
[0021] Figure 2 This is a side view of the three-dimensional structure of this utility model;
[0022] Figure 3 This is a partial three-dimensional structural schematic diagram of the present invention;
[0023] Figure 4 This is a cross-sectional three-dimensional structural diagram of the cleaning chamber plate of this utility model.
[0024] The attached diagram lists the components represented by each number as follows:
[0025] 1. Base; 2. Hydraulic cylinder; 3. Mounting plate; 4. Cleaning chamber plate; 5. Support plate; 6. Limiting slide groove; 7. Limiting slider; 8. Drain pipe; 9. Reciprocating screw; 10. Moving block; 11. Fixing lug; 12. Mounting groove; 13. First rotating shaft; 14. Circular roller brush; 15. Worm gear; 16. Second rotating shaft; 17. Worm; 18. Gear; 19. Tooth plate; 20. Motor; 21. Water-absorbing cotton; 22. Hose; 23. Flushing head. Detailed Implementation
[0026] 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.
[0027] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around" and other terms indicating orientation or positional relationship are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0028] like Figures 1-4As shown, a kind of biaxially oriented polyester film die cleaning device, including base 1, the upper side of base 1 is obliquely slidably provided with the cleaning cavity plate 4 for wrapping the die lip, the cross-sectional shape of cleaning cavity plate 4 is C, and its bottom surface forms the water collection groove for collecting sewage.Cleaning cavity plate 4 is internally provided with the round roller brush 14 for cleaning the die lip, and the round roller brush 14 is installed on a moving block 10;Cleaning cavity plate 4 is internally provided with reciprocating mechanism for controlling the movement of moving block 10, and reciprocating mechanism includes reciprocating screw rod 9, reciprocating screw rod 9 is transversely rotatably arranged in the interior of cleaning cavity plate 4, and the side of cleaning cavity plate 4 is provided with motor 20 connected with reciprocating screw rod 9, and moving block 10 is screw-threadedly connected with the outer wall of reciprocating screw rod 9.Cleaning cavity plate 4 is internally provided with guide rod slidably connected with moving block 10, and moving block 10 and the interior of cleaning cavity plate 4 can slide horizontally left and right.One side of moving block 10 is fixed with two fixed ears 11, and the first rotation shaft 13 is rotatably installed between the two fixed ears 11, and the two ends of round roller brush 14 are coaxially aligned with and fixedly connected with the two first rotation shafts 13.One of the fixed ears 11 is provided with a driving assembly for driving the rotation of the round roller brush 14, and the driving assembly includes the mounting groove 12 opened in one side of the fixed ear 11, the first rotation shaft 13 is fixed with the worm gear 15 at one end in the mounting groove 12, the second rotation shaft 16 is rotatably installed in the interior of mounting groove 12 and at one side of worm gear 15, the outer wall of second rotation shaft 16 is fixedly connected with the worm 17 engaged with worm gear 15, the top of second rotation shaft 16 and extending above the fixed ear 11 is fixedly connected with the gear 18, and the inner top of cleaning cavity plate 4 is fixedly connected with the toothed plate 19 engaged with gear 18.Cleaning cavity plate 4 is internally provided with the spray mechanism for washing the die lip.One side of cleaning cavity plate 4 is provided with sewage discharge pipe 8 for sewage discharge.
[0029] For the above examples, those skilled in the art should know that, in the implementation of the above technical solutions, the bristles of the round roller brush 14 can be made of metal material.
[0030] The top of base 1 is provided with a plurality of hydraulic cylinders 2, the output shaft of hydraulic cylinder 2 is fixedly connected with mounting plate 3, the top of a plurality of mounting plates 3 is slidably connected with the bottom of cleaning cavity plate 4, the two sides of cleaning cavity plate 4 are fixedly connected with limiting sliding block 7, and the two sides of the top of base 1 are obliquely provided with support plate 5, and the outer wall of support plate 5 is provided with limiting sliding groove 6 slidably connected with limiting sliding block 7.
[0031] According to the above structure, the hydraulic cylinder 2 is started, the hydraulic cylinder 2 pushes the cleaning cavity plate 4 to move up through the mounting plate 3, the cleaning cavity plate 4 is inclined and slides up in cooperation with the limiting sliding block 7 and the limiting sliding groove 6, the cleaning cavity plate 4 is in contact with the top and bottom of the die lip, the circular roller brush 14 is in contact with the die lip, then the motor 20 is started, the motor 20 drives the reciprocating screw rod 9 to rotate, the reciprocating screw rod 9 drives the moving block 10 to move, the moving block 10 drives the circular roller brush 14 to reciprocate left and right, at the same time, the gear 18 is engaged with the toothed plate 19, and the gear 18 is rotated, the gear 18 is rotated through the worm 17 on the second rotating shaft 16, the worm 17 is engaged with the worm wheel 15, and the circular roller brush 14 is rotated, and the die lip can be cleaned comprehensively.
[0032] As Figure 1 , Figure 2 and Figure 4 shown, the spraying mechanism includes a hose 22 fixed on the top of the cleaning cavity plate 4 and capable of being connected with an external water source, and a plurality of flushing heads 23 connected with the hose 22 and fixed on the inner top of the cleaning cavity plate 4.
[0033] According to the above structure, the hose 22 is connected with the external water source, and the flushing heads 23 are sprayed on the die lip, so that the die lip can be flushed, and the cleaning effect of the die is further improved.
[0034] As Figure 4 shown, the inside of the cleaning cavity plate 4 is provided with intercepting water-absorbing cotton 21 on both sides for preventing water from overflowing from the two sides, and the intercepting water-absorbing cotton 21 can effectively prevent the flushed sewage from overflowing from the two sides of the cleaning cavity plate 4 through the water absorption characteristics, and the practicability of the equipment is improved.
[0035] In the utility model, the working principle of the device is as follows:
[0036] Start hydraulic cylinder 2, hydraulic cylinder 2 by mounting plate 3 pushes and moves up the cleaning cavity plate 4, in cooperation with the upper limit slide block 7 and limit slide groove 6, make cleaning cavity plate 4 tilt up and slide, and make cleaning cavity plate 4 and the top and bottom of the die lip contact, at the same time, make the round roller brush 14 and the die lip contact, then start motor 20, motor 20 drives reciprocating screw 9 to rotate, reciprocating screw 9 drives moving block 10 to move, moving block 10 drives round roller brush 14 to reciprocate left and right, at the same time, gear 18 and toothed plate 19 are engaged, and make gear 18 rotate, gear 18 drives worm 17 through the second rotating shaft 16, worm 17 cooperates with worm gear 15, worm 17 drives worm gear 15 to rotate, and then drives round roller brush 14 through the first rotating shaft 13, round roller brush 14 reciprocates left and right cooperates with the rotation of round roller brush 14, can clean the die lip comprehensively, and the speed of round roller brush 14 rotation is determined by the moving speed of moving block 10, that is, motor 20 can be controlled, flexible adjustment of cleaning effect speed and effect can be realized. At the same time, the external water source is connected with the hose 22, and the flushing head 23 is sprayed on the die lip, which can further clean the die lip; The intercepting water absorption cotton 21 can effectively prevent the overflow of the washing water from the two sides of the cleaning cavity plate 4 by its water absorption characteristics. The device has high working efficiency, can clean in place without damaging the surface of the die lip.
[0037] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A bi-stretch-polyester film die cleaning device comprising a base (1), characterized in that, The upper inclined sliding of the base (1) is provided with a cleaning cavity plate (4) for wrapping the die lip, the inside of the cleaning cavity plate (4) is provided with a circular roller brush (14) for cleaning the die lip, the circular roller brush (14) is installed on a moving block (10), and the moving block (10) is horizontally and slidingly connected with the inside of the cleaning cavity plate (4). The inside of the cleaning cavity plate (4) is provided with a reciprocating mechanism for controlling the movement of the moving block (10), the moving block (10) is provided with a driving assembly for driving the circular roller brush (14) to rotate, and the inner top of the cleaning cavity plate (4) is further provided with a spraying mechanism for washing the die lip.
2. A bi-stretch-polyester film die cleaning device according to claim 1, wherein, The cross-sectional shape of the cleaning cavity plate (4) is C-shaped, and the bottom surface thereof forms a water collecting groove for collecting sewage, and one side of the cleaning cavity plate (4) is provided with a sewage discharge pipe (8) for discharging sewage.
3. A bi-stretch-polyester film die cleaning device according to claim 1, wherein, The reciprocating mechanism comprises a reciprocating screw rod (9), the reciprocating screw rod (9) is transversely rotatably arranged in the inside of the cleaning cavity plate (4), one side of the cleaning cavity plate (4) is provided with a motor (20) fixedly connected coaxially with the reciprocating screw rod (9), and the moving block (10) is threadedly rotatably connected with the outer wall of the reciprocating screw rod (9).
4. A bi-stretch-polyester film die cleaning device according to claim 1, wherein, One side of the moving block (10) is fixedly provided with two fixed ears (11), the two fixed ears (11) are rotatably provided with a first rotating shaft (13), and the two ends of the circular roller brush (14) are coaxially aligned with and fixedly connected with the two first rotating shafts (13).
5. A bi-stretch-polyester film die cleaning device according to claim 4, wherein, The driving assembly comprises a mounting groove (12) formed in one side of one of the fixed ears (11), one end of the first rotating shaft (13) is fixedly provided with a worm wheel (15) in the mounting groove (12), a second rotating shaft (16) is rotatably arranged in the inside of the mounting groove (12) and located at one side of the worm wheel (15), the outer wall of the second rotating shaft (16) is fixedly provided with a worm (17) engaged with the worm wheel (15), the top of the second rotating shaft (16) and extending above the fixed ear (11) is fixedly provided with a gear (18), and the inner top of the cleaning cavity plate (4) is fixedly provided with a toothed plate (19) engaged with the gear (18).
6. A bi-stretch-polyester film die cleaning device according to claim 1, wherein, The top of the base (1) is provided with a plurality of hydraulic cylinders (2), the output shaft of the hydraulic cylinder (2) is fixedly provided with a mounting plate (3), the top of the plurality of mounting plates (3) is slidingly connected with the bottom of the cleaning cavity plate (4), the two sides of the cleaning cavity plate (4) are fixedly provided with limiting sliding blocks (7), and the top of the base (1) is provided with support plates (5) inclined on the two sides, and the outer wall of the support plate (5) is provided with limiting sliding grooves (6) slidingly connected with the limiting sliding blocks (7).
7. A bi-stretch-polyester film die cleaning device according to claim 1, wherein, The spraying mechanism comprises a hose (22) fixed to the top of the cleaning cavity plate (4) and connectable with an external water source, and a plurality of flushing heads (23) connected with the hose (22) are fixed to the inner top of the cleaning cavity plate (4).
8. A bi-stretch-polyester film die cleaning device according to claim 1, wherein, The inside of the cleaning cavity plate (4) is provided with intercepting water absorbing cotton (21) on both sides for preventing water from overflowing from the two sides.