Polyester melt filter element cleaning device

Abstract

The polyester melt filter element cleaning device effectively solves the problem of poor cleaning effect of the polyester melt filter element. The device comprises a base, a first rotating shaft is arranged in the middle of the base, a first supporting seat is fixed on the upper end of the first rotating shaft, a second supporting seat is lifted and connected to the first supporting seat, a polyester melt filter element is placed on the second supporting seat, a first clamping claw is connected to the second supporting seat for sliding left and right, a second clamping claw is fixed to the second supporting seat, a bracket is fixed on the base, a second rotating shaft and a third rotating shaft are rotatably connected to the bracket, a plurality of first brushes are coaxially and evenly fixed to the second rotating shaft, the first brush contacts the outer wall of the polyester melt filter element, a plurality of second brushes are coaxially and evenly fixed to the third rotating shaft, the second brush contacts the inner wall of the polyester melt filter element, a water spray pipe located in the polyester melt filter element is fixed on the bracket, the water spray pipe provides high-temperature and high-pressure water flow, so that the nozzle can clean the filter element.

Description

Technical Field

[0001] The utility model belongs to the technical field of polyester filters, in particular to a polyester melt filter element cleaning device. Background Art

[0002] Polyester melt filter elements play a role in purifying the melt in polyester production. They have high filtration efficiency and good particle capture ability. They can effectively filter out impurities such as carbonized materials and unmelted particles in the polyester melt, and improve the product quality of the polyester melt. Polyester filter elements generally have the property of high temperature resistance. When used at low temperatures, the melt fluidity deteriorates, which is easy to cause blockage, increase pipeline pressure, and reduce the melt passing rate, affecting the overall filtering effect.

[0003] After a certain period of use, the polyester melt filter element needs to be cleaned. Most polyester melt filter elements on the market adopt a cylindrical structure. This kind of filter element is inconvenient to clean. Both the inner and outer walls of the filter element need to be cleaned. Manual cleaning is generally used, which is labor-intensive and has poor cleaning effect. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide a polyester melt filter element cleaning device, which effectively solves the problems of poor cleaning effect and low working efficiency.

[0005] The technical solution to the technical problem is as follows: it comprises a base, a first rotating shaft is rotatably connected in the middle of the base, a first supporting seat is fixed on the upper end of the first rotating shaft, a second supporting seat is lifted and lowered connected to the first supporting seat, a polyester melt filter element is placed on the second supporting seat, a first clamping claw is slidably connected to the second supporting seat left and right, the first clamping claw is located on the left side of the polyester melt filter element, a second clamping claw located on the right side of the polyester melt filter element is fixed to the second supporting seat, a bracket located above the polyester melt filter element is fixed on the base, a second rotating shaft and a third rotating shaft are rotatably connected on the bracket, a plurality of first brushes are coaxially and evenly fixed to the second rotating shaft, the first brushes are in contact with the outer wall of the polyester melt filter element, a plurality of second brushes are coaxially and evenly fixed to the third rotating shaft, the second brushes are in contact with the inner wall of the polyester melt filter element, and a water spray pipe located in the middle of the polyester melt filter element is fixed on the bracket.

[0006] Preferably, a first motor is installed on the bracket, the first motor is coaxially fixedly connected to the second rotating shaft, a first gear is coaxially fixed to the second rotating shaft, a second gear meshing with the first gear is coaxially fixed to the third rotating shaft, and the first gear and the second gear are the same.

[0007] Preferably, the water spray pipe is distributed vertically in the polyester melt filter element, and a plurality of spray heads are evenly arranged around the circumference of the water spray pipe.

[0008] Preferably, the second support seat is rotatably connected to a lead screw in a horizontal direction, the lead screw is threadedly connected to a nut, and the nut is fixedly connected to the first claw.

[0009] Preferably, the second support seat is fixed with guide rails located at the front and rear sides of the lead screw, and the nut slides in the left and right directions on the guide rails.

[0010] Preferably, a plurality of hydraulic cylinders are evenly fixed on the first support seat, and telescopic ends of the hydraulic cylinders are fixedly connected to the second support seat.

[0011] Preferably, a second motor is fixed on the base, a third gear is coaxially fixed to the second motor, a fourth gear meshing with the third gear is coaxially fixed to the first rotating shaft, and a pitch circle diameter of the fourth gear is greater than a pitch circle diameter of the third gear.

[0012] Preferably, a water leakage hole is provided in the middle of the second support seat.

[0013] Compared with the traditional equipment, the utility model has the following advantages: 1) The structure is ingenious. Under the action of multiple nozzles, the nozzles spray high-temperature and high-pressure water flow, which can perform circumferential high-temperature and high-pressure water cleaning on the inner wall of the polyester melt filter element, and under the action of the first brush and the second brush, the inner and outer surfaces of the polyester melt filter element can be cleaned at the same time, with double cleaning effect and high working efficiency; 2) The lifting movement of the polyester melt filter element is realized by the hydraulic cylinder, which is convenient for replacement, and the first brush and the second brush are used to perform all-round cleaning of the circumference of the polyester melt filter element through the rotation movement of the polyester melt filter element, with good linkage, wide cleaning range, high degree of automation, convenience and practicality; 3) The polyester melt filter element is cleverly controlled to be fixed or loosened on the second support seat through the screw nut structure, which has good flexibility, safety and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front view of the utility model.

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model.

[0016] Figure 3 yes Figure 2 A is a schematic diagram of a partial enlargement.

[0017] Figure numerals: 1. base; 2. first rotating shaft; 3. first supporting seat; 4. second supporting seat; 5. polyester melt filter element; 6. first claw; 7. second claw; 8. bracket; 9. second rotating shaft; 10. third rotating shaft; 11. first brush; 12. second brush; 13. water spray pipe; 14. first motor; 15. first gear; 16. second gear; 17. screw; 18. nut; 19. guide rail; 20. hydraulic cylinder; 21. second motor; 22. third gear; 23. fourth gear. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0019] Depend on Figures 1 to 3 A polyester melt filter element cleaning device is provided, comprising a base 1, a first rotating shaft 2 is rotatably connected in the middle of the base 1, a first supporting seat 3 is fixed on the upper end of the first rotating shaft 2, a second supporting seat 4 is lifted and connected to the first supporting seat 3, a polyester melt filter element 5 is placed on the second supporting seat 4, a first clamping claw 6 is slidably connected to the second supporting seat 4, the first clamping claw 6 is located on the left side of the polyester melt filter element 5, a second clamping claw 7 located on the right side of the polyester melt filter element 5 is fixed to the second supporting seat 4, a bracket 8 located above the polyester melt filter element 5 is fixed on the base 1, a second rotating shaft 9 and a third rotating shaft 10 are rotatably connected to the bracket 8, a plurality of first brushes 11 are coaxially and evenly fixed to the second rotating shaft 9, the first brush 11 contacts the outer wall of the polyester melt filter element 5, a plurality of second brushes 12 are coaxially and evenly fixed to the third rotating shaft 10, the second brush 12 contacts the inner wall of the polyester melt filter element 5, and a water spray pipe 13 located in the middle of the polyester melt filter element 5 is fixed on the bracket 8.

[0020] A first motor 14 is installed on the bracket 8, and the first motor 14 is coaxially fixedly connected to the second rotating shaft 9. A first gear 15 is coaxially fixed to the second rotating shaft 9. A second gear 16 meshing with the first gear 15 is coaxially fixed on the third rotating shaft 10. The first gear 15 and the second gear 16 are the same.

[0021] The water spray pipe 13 is vertically distributed in the polyester melt filter element 5, and a plurality of spray heads are evenly arranged around the circumference of the water spray pipe 13.

[0022] The second support seat 4 is rotatably connected to a lead screw 17 in a horizontal direction, the lead screw 17 is threadedly connected to a nut 18 , and the nut 18 is fixedly connected to the first claw 6 .

[0023] In order to ensure the stability of the left-right sliding of the first claw 6 , the second support seat 4 is fixed with guide rails 19 located at the front and rear sides of the lead screw 17 , and the nut 18 slides on the guide rails 19 in the left-right direction.

[0024] In order to facilitate the lifting and lowering movement of the second support seat 4 , a plurality of hydraulic cylinders 20 are evenly fixed on the first support seat 3 , and the telescopic ends of the hydraulic cylinders 20 are fixedly connected to the second support seat 4 .

[0025] A second motor 21 is fixed on the base 1 , a third gear 22 is coaxially fixed to the second motor 21 , a fourth gear 23 meshing with the third gear 22 is coaxially fixed to the first shaft 2 , and a pitch circle diameter of the fourth gear 23 is greater than a pitch circle diameter of the third gear 22 .

[0026] In order to facilitate drainage, a drainage hole is provided in the middle of the second support seat 4 .

[0027] When the utility model is in use, in the initial position, under the action of the hydraulic cylinder 20, the second support seat 4 is lowered to a suitable height, the polyester melt filter element 5 is placed on the second support seat 4, the polyester melt filter element 5 is fitted with the second claw 7, the lead screw 17 is rotated, the lead screw 17 drives the nut 18 to slide rightward along the guide rail 19, and the nut 18 drives the first claw 6 to move rightward close to the polyester melt filter element 5, and under the joint action of the first claw 6 and the second claw 7, the polyester melt filter element 5 is fixed on the second support seat 4;

[0028] Start the hydraulic cylinder 20, which drives the second support seat 4 to move upward. When the polyester melt filter element 5 rises to a suitable height, close the hydraulic cylinder 20, the first brush 11 is located on the outside of the polyester melt filter element 5, the second brush 12 is located on the inside of the polyester melt filter element 5, the water spray pipe 13 is connected to an external water source, and the external water source is a high-temperature and high-pressure water flow. The nozzle of the water spray pipe 13 sprays the high-temperature and high-pressure water onto the inner wall of the polyester melt filter element 5 for easy cleaning. Start the first motor 14 and the second motor 21, the first motor 14 drives the second shaft 9 and the first gear 15 to rotate coaxially, the second shaft 9 drives the first brush 11 to rotate synchronously, and then the first brush 11 cleans the outer wall of the polyester melt filter element 5, the first gear 15 drives the second gear 16 to rotate, the second gear 16 drives the third shaft 10 and the second brush 12 to rotate synchronously, and the second brush 12 cleans the polyester melt. The inner wall of the filter element 5 has good linkage, the first brush 11 and the second brush 12 are cleaned at the same time, and under the action of the nozzle, the double cleaning effect is achieved to ensure the cleaning quality, the second motor 21 drives the third gear 22 to rotate, the third gear 22 drives the fourth gear 23 and the first rotating shaft 2 to rotate, the pitch circle diameter of the fourth gear 23 is larger than the pitch circle diameter of the third gear 22, which plays a certain deceleration effect, ensuring the appropriate rotation speed of the first rotating shaft 2, the first rotating shaft 2 drives the first support seat 3, the hydraulic cylinder 20, the second support seat 4 and the polyester melt filter element 5 to rotate synchronously, the positions of the first brush 11 and the second brush 12 remain unchanged, as the polyester melt filter element 5 continues to rotate, the first brush 11 and the second brush 12 can clean the circumference of the polyester melt filter element 5, all-round cleaning, high degree of automation, the cleaned waste water flows out from the leaking hole, the operation is simple, and the cleaning effect is good;

[0029] After cleaning, turn off the external water source, the first motor 14 and the second motor 21, start the hydraulic cylinder 20, and the second support seat 4 drives the polyester melt filter element 5 to drop to a suitable height. The lead screw 17 is reversed, and the first claw 6 slides to the left. The first claw 6 is separated from the polyester melt filter element 5, and the cleaned polyester melt filter element 5 can be taken out, and then the polyester melt filter element 5 to be cleaned is placed on the second support seat 4, and the cycle is repeated in sequence to realize automatic cleaning of the polyester melt filter element 5 with high work efficiency.

[0030] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the protection scope of the technical solution of the utility model.

Claims

1. A polyester melt filter element cleaning device, characterized in that: The invention comprises a base (1), wherein a first rotating shaft (2) is rotatably connected in the middle of the base (1), a first supporting seat (3) is fixed at the upper end of the first rotating shaft (2), a second supporting seat (4) is lifted and connected to the first supporting seat (3), a polyester melt filter element (5) is placed on the second supporting seat (4), a first clamping claw (6) is slidably connected to the second supporting seat (4), the first clamping claw (6) is located on the left side of the polyester melt filter element (5), a second clamping claw (7) is fixed on the second supporting seat (4) and is located on the right side of the polyester melt filter element (5), and a A bracket (8) is located above the polyester melt filter element (5), and a second rotating shaft (9) and a third rotating shaft (10) are rotatably connected to the bracket (8). A plurality of first brushes (11) are coaxially and evenly fixed to the second rotating shaft (9), and the first brushes (11) are in contact with the outer wall of the polyester melt filter element (5). A plurality of second brushes (12) are coaxially and evenly fixed to the third rotating shaft (10), and the second brushes (12) are in contact with the inner wall of the polyester melt filter element (5). A water spray pipe (13) located in the middle of the polyester melt filter element (5) is fixed to the bracket (8).

2. The polyester melt filter element cleaning device according to claim 1, characterized in that: A first motor (14) is mounted on the bracket (8), the first motor (14) is coaxially fixedly connected to the second rotating shaft (9), a first gear (15) is coaxially fixed to the second rotating shaft (9), a second gear (16) meshing with the first gear (15) is coaxially fixed to the third rotating shaft (10), and the first gear (15) and the second gear (16) are identical.

3. The polyester melt filter element cleaning device according to claim 1, characterized in that: The water spray pipe (13) is distributed vertically inside the polyester melt filter element (5), and a plurality of spray heads are evenly arranged around the circumference of the water spray pipe (13).

4. The polyester melt filter element cleaning device according to claim 1, characterized in that: The second support seat (4) is rotatably connected to a lead screw (17) in a horizontal direction, the lead screw (17) is threadedly connected to a nut (18), and the nut (18) is fixedly connected to the first claw (6).

5. The polyester melt filter element cleaning device according to claim 4, characterized in that: The second support seat (4) is fixed with guide rails (19) located at the front and rear sides of the lead screw (17), and the nut (18) slides in the left and right directions on the guide rails (19).

6. The polyester melt filter element cleaning device according to claim 1, characterized in that: A plurality of hydraulic cylinders (20) are evenly fixed on the first support seat (3), and telescopic ends of the hydraulic cylinders (20) are fixedly connected to the second support seat (4).

7. The polyester melt filter element cleaning device according to claim 1, characterized in that: A second motor (21) is fixed on the base (1), a third gear (22) is coaxially fixed to the second motor (21), a fourth gear (23) meshing with the third gear (22) is coaxially fixed to the first rotating shaft (2), and a pitch circle diameter of the fourth gear (23) is greater than a pitch circle diameter of the third gear (22).

8. The polyester melt filter element cleaning device according to claim 1, characterized in that: A water leakage hole is provided in the middle of the second support seat (4).

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