Film covering device for filter cloth of filter press

Abstract

The utility model discloses a film covering device for filter cloth of a filter press, and relates to the technical field of filter cloth film covering, the film covering device comprises a fixing table, a supporting rod, a driving motor and a conveying belt, the conveying belt is fixed on a workbench, the supporting rod is fixed on one side of the workbench, and a rotating shaft of the driving motor is fixedly connected with a rotating shaft of the conveying belt; the device further comprises a fixing frame, a hollow roller, a fixing rod, a fixing box body, a solid roller, a film rolling roller, a connecting rod, an air outlet pipe, a driving fan blade, a heater and a pressure roller. The fixing frame is fixed to the workbench, and the fixing frame is rotationally connected with a hollow roller used for pressing a covering film. The fixed box body is a hollow box body with an opening in the side wall; the air outlet pipe is connected to the side wall of the fixed box body; the connecting rod is rotationally connected to the fixed box body; the heater is fixed in the fixed box body, and the driving fan blade is positioned in the fixed box body; the pressure roller is rotationally connected with the fixed rod; the film rolling roller is rotationally connected to the top of the supporting rod. The service life of the filter cloth coated with the film can be prolonged, production equipment is simple in structure, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of filter cloth coating, in particular to a coating device for filter cloth of a filter press. Background Art

[0002] Filter cloth is a filter medium made of natural or synthetic fibers. It includes metal mesh or filter screen; it is mainly used for air filtration and dust removal, dust collection powder, to purify the air and protect the environment. It is widely used in smelters, chemical plants, sugar, dyes, medicine, food and other industries. Coating on filter cloth is the best way to improve the filtering performance of filter cloth, which can effectively extend the service life of filter cloth and reduce the production cost of enterprises.

[0003] In the prior art, the methods for laminating filter cloth are adhesive lamination and thermal lamination. Adhesive lamination is to use glue to stick the film on the filter cloth. This lamination method is easy to remove the film and the service life of the filter cloth is short. Thermal lamination is to melt the material into liquid and then apply it to the surface of the filter cloth to form a film. However, the thermal lamination technology has strict requirements and the production equipment structure is relatively complex, which leads to increased production costs. Utility Model Content

[0004] The embodiment of the present application provides a coating device for filter cloth of a filter press, thereby solving the technical problems in the prior art that the adhesive compounding method is easy to demold, resulting in a short service life of the filter cloth, and the heat compounding method has a complex production equipment structure, which increases the production cost. The stability of the coating is improved, thereby increasing the service life of the filter cloth after coating, and the production equipment has a simple structure, which effectively reduces the production cost.

[0005] The embodiment of the present application provides a film coating device for filter cloth of a filter press, comprising a fixed platform, a support rod, a driving motor and a conveyor belt, wherein the conveyor belt is fixed on the workbench, the support rod is fixed on one side of the workbench, and the rotating shaft of the driving motor is fixedly connected to the rotating shaft of the conveyor belt;

[0006] It also includes a fixing frame, a hollow roller, a fixing rod, a fixing box, a solid roller, a film rolling roller, a connecting rod, an air outlet pipe, a driving fan blade, a heater and a pressure roller;

[0007] The fixing frame is fixed on the workbench, and a hollow roller for pressing the film is rotatably connected to the fixing frame, so that the film and the filter cloth are more closely attached;

[0008] The fixed box is fixed on the top of the fixed rod, the fixed box is a hollow box with an opening on the side wall, and the air outlet pipe is connected to the opening on the side wall of the fixed box;

[0009] The connecting rod is rotatably connected to the fixed box, and the solid roller is rotatably connected between the connecting rods, and the solid roller is used to fit the film and the filter cloth;

[0010] The heater is fixed inside the fixed box, and the driving fan blade is located on the upper side of the heater in the fixed box. The driving fan blade blows the heat generated by the heater toward the film, so that the film melts and adheres to the filter cloth.

[0011] The pressure roller is rotatably connected to the fixed rod and is located at the lower side of the fixed box. Under the action of the pressure roller, the melted film can be tightly adhered to the surface of the filter cloth.

[0012] The film rolling roller is rotatably connected to the top of the support rod.

[0013] Further, it also includes a cleaning rod, a support roller and a support frame;

[0014] The support frame is vertically fixed on the workbench, and the support roller is rotatably connected between the support frames;

[0015] The cleaning rod is rotatably connected between the supporting rods, and the cleaning rod is two cylindrical tubes.

[0016] Furthermore, a sticky layer is attached to the side of the cleaning rod.

[0017] Further, the hollow roller is a copper tube;

[0018] The hollow roller is filled with liquid water, which can cool the coated filter cloth, so that the film attached to the surface of the filter cloth is cooled and solidified. After cooling, the film can be more tightly attached to the filter cloth.

[0019] Furthermore, a ceramic layer is attached to the side of the pressure roller, and the ceramic layer can prevent the melted film from sticking to the pressure roller.

[0020] Furthermore, the driving fan blades are composed of a plurality of fan blades, an air inlet is opened on the side wall of the fixed box and connected to the fixed box, external air enters the fixed box through the air inlet, is heated by the heater and then blown toward the film from the air outlet pipe.

[0021] Furthermore, the air outlet pipe is fixed on the side wall of the fixed box, and the opening of the air outlet pipe faces the conveyor belt;

[0022] The air outlet pipe is used to blow hot air onto the film on the conveyor belt.

[0023] Furthermore, a film is rolled up on the film rolling roller, and the film rolling roller is located on the upper side of the cleaning rod.

[0024] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0025] The film is pressed onto the filter cloth by a solid roller, and the filter cloth is moved by a conveyor belt. The heater blows heated air onto the film to melt the film. The melted film is adhered to the surface of the filter cloth and then compacted by a pressure roller so that the film can firmly adhere to the surface of the filter cloth. The hollow roller flattens the filter cloth while cooling the filter cloth so that the film can be cooled quickly. This effectively solves the problems in the prior art that the adhesive composite method is easy to demould, resulting in a short service life of the filter cloth, and the production equipment structure of the thermal composite method is complex, which increases the production cost. This improves the stability of the coating, thereby increasing the service life of the filter cloth after coating. The production equipment structure is simple, effectively reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of a membrane coating device for filter cloth of a filter press according to the utility model;

[0027] Figure 2 This is a front view of a membrane coating device for filter cloth of a filter press according to the utility model;

[0028] Figure 3 This is a diagram showing the internal connection relationship of a fixed box of a membrane coating device for filter cloth of a filter press according to the utility model;

[0029] Figure 4 This is a schematic diagram of the top view of the structure of a membrane coating device for filter cloth of a filter press according to the utility model;

[0030] Figure 5 The utility model is a schematic cross-sectional structure diagram of a membrane coating device for filter cloth of a filter press.

[0031] In the figure: 1. fixed table; 2. support rod; 3. drive motor; 4. conveyor belt; 5. fixed frame; 6. hollow roller; 7. fixed rod; 8. fixed box; 9. solid roller; 10. support roller; 11. support frame; 12. cleaning rod; 13. film rolling roller; 14. connecting rod; 15. exhaust pipe; 16. drive fan blade; 17. heater; 18. pressure roller. DETAILED DESCRIPTION

[0032] To facilitate the understanding of the present invention, the present application will be described more comprehensively below with reference to the relevant drawings; the drawings show preferred embodiments of the present invention, but the present invention can be implemented in many different forms and is not limited to the embodiments described herein; on the contrary, the purpose of providing these embodiments is to enable a more thorough and comprehensive understanding of the disclosed content of the present invention.

[0033] It should be noted that the terms “vertical”, “horizontal”, “up”, “down”, “left”, “right” and similar expressions used in this document are only for illustrative purposes and do not represent the only implementation method.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention; the terms used in the specification of the present invention are only for the purpose of describing specific implementation methods and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0035] like Figures 1 to 5 As shown, the present application proposes a membrane coating device for filter cloth of a filter press, comprising a fixed platform 1, a support rod 2, a driving motor 3 and a conveyor belt 4, wherein the conveyor belt is fixed on the workbench, the support rod 2 is fixed on one side of the workbench, and the rotating shaft of the driving motor 3 is fixedly connected to the rotating shaft of the conveyor belt;

[0036] It also includes a fixed frame 5, a hollow roller 6, a fixed rod 7, a fixed box 8, a solid roller 9, a film rolling roller 13, a connecting rod 14, an air outlet pipe 15, a driving fan blade 16, a heater 17 and a pressure roller 18;

[0037] The fixed frame 5 is fixed on the workbench, and a hollow roller 6 for pressing the film is rotatably connected to the fixed frame 5 to make the film and the filter cloth fit more closely; the fixed box 8 is fixed on the top of the fixed rod 7, and the fixed box 8 is a hollow box with an opening on the side wall, and the air outlet pipe 15 is connected to the opening on the side wall of the fixed box 8; the connecting rod 14 is rotatably connected to the fixed box 8, and the solid roller 9 is rotatably connected between the connecting rods 14, and the solid roller 9 is used to fit the film and the filter cloth; the heater 17 is fixed inside the fixed box 8, and the driving fan blade 16 is located on the upper side of the heater 17 in the fixed box 8; the pressure roller 18 is rotatably connected to the fixed rod 7 and is located on the lower side of the fixed box 8; the film rolling roller 13 is rotatably connected to the top of the support rod 2.

[0038] Preferably, it also includes a cleaning rod 12, a support roller 10 and a support frame 11;

[0039] The support frame 11 is vertically fixed on the workbench, and the support roller 10 is rotatably connected between the support frames 11; the cleaning rod 12 is rotatably connected between the support rods 2, and the cleaning rod 12 is two cylindrical tubes.

[0040] Preferably, a sticky layer is attached to the side of the cleaning rod 12, and the cleaning rod 12 can adhere the dust on the surface of the filter cloth to avoid affecting the quality of the filter cloth after coating.

[0041] Preferably, the hollow roller 6 is a copper tube, and the heat of the film on the surface of the filter cloth is transferred out through the good thermal conductivity of the copper tube, thereby achieving cooling of the filter cloth surface;

[0042] The hollow roller 6 is filled with liquid water, which can cool the coated filter cloth and cool and solidify the film attached to the surface of the filter cloth. After cooling, the film can be more firmly attached to the filter cloth.

[0043] Preferably, a ceramic layer is attached to the side of the pressure roller 18 , and the ceramic layer can prevent the melted film from sticking to the pressure roller 18 .

[0044] Preferably, the driving blades 16 are composed of multiple blades, an air inlet is opened on the side wall of the fixed box 8 and connected to the fixed box 8, external air enters the fixed box 8 through the air inlet, is heated by the heater 17, and then blows toward the film from the outlet pipe 15.

[0045] Preferably, the air outlet pipe 15 is fixed on the side wall of the fixed box 8, and the opening of the air outlet pipe 15 faces the conveyor belt;

[0046] The air outlet pipe 15 is used to blow hot air onto the film on the conveyor belt.

[0047] Preferably, a film is rolled up on the film rolling roller 13, which is located above the cleaning rod 12, and the film contacts the upper side of the support roller. The solid roller 9 presses the film so that the film contacts the surface of the filter cloth.

[0048] In actual use, a membrane coating device for filter cloth of a filter press according to an embodiment of the present application:

[0049] First, the filter cloth passes through the middle of the two cleaning rods 12, and the dust on the surface of the filter cloth is cleaned by the cleaning rods 12. The conveyor belt drives the filter cloth forward, and the film is wound on the film winding roller 13. The staff pulls the film and presses it under the solid roller 9 and on the upper side of the filter cloth. During the movement of the filter cloth, the air outlet pipe 15 blows the air heated by the heater 17 to the filter cloth to melt the film on the surface of the filter cloth. Under the action of the pressure roller 18, the melted film and the filter cloth are adhered, and then the hollow roller 6 will flatten the film and cool the film to cool and solidify it, so that the film fits more firmly on the filter cloth.

[0050] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A membrane coating device for filter cloth of a filter press, comprising a fixed platform (1), a support rod (2), a driving motor (3) and a conveyor belt (4), wherein the conveyor belt is fixed on the workbench, the support rod (2) is fixed on one side of the workbench, and the rotating shaft of the driving motor (3) is fixedly connected to the rotating shaft of the conveyor belt; It is characterized in that It also includes a fixed frame (5), a hollow roller (6), a fixed rod (7), a fixed box (8), a solid roller (9), a film rolling roller (13), a connecting rod (14), an air outlet pipe (15), a driving fan blade (16), a heater (17) and a pressure roller (18); The fixed frame (5) is fixed on a workbench, and a hollow roller (6) for pressing the coating is rotatably connected to the fixed frame (5); The fixed box (8) is fixed on the top of the fixed rod (7); the fixed box (8) is a hollow box with an opening on the side wall; the air outlet pipe (15) is connected to the opening on the side wall of the fixed box (8); The connecting rod (14) is rotatably connected to the fixed box (8), and the solid roller (9) is used to fit the film and the filter cloth together; The heater (17) is fixed inside the fixed box (8), and the driving blade (16) is located above the heater (17) inside the fixed box (8); The pressure roller (18) and the fixed rod (7) are rotatably connected and are located at the lower side of the fixed box (8); The film rolling roller (13) is rotatably connected to the top of the support rod (2).

2. A membrane coating device for filter cloth of a filter press according to claim 1, characterized in that: It also includes a cleaning rod (12), a supporting roller (10) and a supporting frame (11); The support frame (11) is vertically fixed on the workbench, and the support roller (10) is rotatably connected between the support frames (11); The cleaning rod (12) is rotatably connected between the support rods (2), and the cleaning rod (12) is two cylindrical tubes.

3. A membrane coating device for filter cloth of a filter press according to claim 2, characterized in that: The side surface of the cleaning rod (12) is pasted with an adhesive layer.

4. A membrane coating device for filter cloth of a filter press according to claim 1, characterized in that: The hollow roller (6) is a copper tube; The interior of the hollow roller (6) is filled with liquid water.

5. The membrane coating device for filter cloth of a filter press according to claim 1, characterized in that: A ceramic layer is pasted on the side of the pressure roller (18).

6. A membrane coating device for filter cloth of a filter press according to claim 1, characterized in that: The driving fan blade (16) is composed of a plurality of fan blades, and an air inlet is provided on the side wall of the fixed box body (8) and is connected to the inside of the fixed box body (8).

7. A membrane coating device for filter cloth of a filter press according to claim 1, characterized in that: The air outlet pipe (15) is fixed on the side wall of the fixed box (8), and the opening of the air outlet pipe (15) faces the conveyor belt; the air outlet pipe (15) is used to blow hot air onto the film on the conveyor belt.

8. The membrane coating device for filter cloth of a filter press according to claim 1, characterized in that: A film is rolled up on the film rolling roller (13), and the film rolling roller (13) is located on the upper side of the cleaning rod (12).

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