Dust removal equipment for paper machine

Abstract

The utility model relates to the technical field of paper machines, and discloses a dust removal device for a paper machine, which comprises a dust removal box, the upper surface of the dust removal box is fixedly connected with a driving shell, the inner wall of the driving shell is rotatably connected with a driving screw rod, the surface of the driving screw rod is in threaded connection with a driving seat, and the bottom end of the driving seat extends into the dust removal box. A dust collection mechanism is fixedly connected; the dust collection mechanism comprises a fixing frame, and the bottom end of the fixing frame is fixedly connected with a movable frame. The dust collection mechanism is arranged in the dust removal box, when the surface of paper is subjected to dust removal operation, the paper can be conveyed into the dust removal box and penetrates through the interior of the moving frame, and then the moving frame is used for driving the two dust collection covers to conduct dust collection operation on the upper face and the lower face of the paper. And meanwhile, the upper, lower, front and rear limiting guide rollers abut against and limit the surface of the paper, the paper is leveled, the paper is kept in a flat state in the dust collection process, and the situation that the paper is wrinkled is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of papermaking machines, and more specifically to dust removal equipment for papermaking machines. Background Art

[0002] A papermaking machine is a combined equipment for papermaking; it is mainly composed of a screen, a press and a dryer. The screen part is divided into a round screen and a fourdrinier screen, the press part is composed of a press roll and papermaking felt, and the dryer part is composed of one or more drying cylinders.

[0003] According to the patent search, it is found that the publication number is CN213894529U, which is a dust removal device for the reeling part of a paper machine. The dust removal device for the reeling part of a paper machine comprises: a base; a mounting plate, the mounting plate is fixedly mounted on the top of the base; two first round rods, the two first round rods are both rotatably mounted on the mounting plate; two dust removal brushes, the reeling drum is fixedly sleeved on the second round rod; and a fan, the fan is fixedly mounted on the top of the base. The dust removal device for the reeling part of a paper machine provided by the utility model has the function of removing dust generated when reeling paper.

[0004] In the actual use of the paper machine dust removal device proposed in the above patent document, only a single dust suction head is arranged above the paper to vacuum the paper. Not only is the dust suction range too small to fully remove dust from the paper surface, but there is also a lack of dust suction mechanism below the paper, so that both sides of the paper cannot be dusted at the same time, which increases the subsequent work. Therefore, it is necessary to improve the shortcomings of the dust removal device. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a dust removal device for a papermaking machine, which has the advantages of good double-sided dust removal effect, etc., to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a dust removal device for a papermaking machine, comprising a dust removal box, the upper surface of the dust removal box is fixedly connected to a driving shell, the inner wall of the driving shell is rotatably connected to a driving screw, the surface of the driving screw is threadedly connected to a driving seat, the bottom end of the driving seat extends to the interior of the dust removal box, and is fixedly connected to a dust suction mechanism;

[0007] The dust suction mechanism comprises a fixed frame, the bottom end of the fixed frame is fixedly connected to a moving frame, an annular air guide cavity is provided inside the moving frame, and two dust suction pumps are fixedly installed on the upper surface of the moving frame, the dust suction pump input end extends to the inside of the annular air guide cavity, the upper surface of the moving frame is fixedly connected to a dust collecting box, the inner top wall and the inner bottom wall of the moving frame are both fixedly embedded with a dust suction hood, and the air suction ports of the two dust suction hoods correspond to each other. By providing the annular air guide cavity inside the moving frame, the dust suctioned by the dust suction hood can be sucked into the annular air guide cavity by the dust suction pump, so that the upper and lower dust suction hoods are connected to each other, which is convenient for double-sided dust removal of paper;

[0008] The left and right sides of the movable frame are fixedly connected to the limiting components, and the limiting components are used to limit and guide the paper. The limiting components include four limiting guide rollers, and the four limiting guide rollers are symmetrically distributed on the left and right sides of the movable frame in groups of two. When the paper is dusted, the movable frame can be used to drive the two dust hoods to perform dust collection operations on the upper and lower surfaces of the paper. At the same time, the upper and lower front and rear groups of limiting guide rollers are used to press and limit the surface of the paper, so as to level the paper, so that the paper remains flat during the dust collection process and wrinkles are avoided.

[0009] Furthermore, two extension plates are fixedly connected to both sides of the movable frame, and mounting holes are opened on the surfaces of the extension plates. The inner walls of the mounting holes are slidably connected to movable support columns, and one end of the movable support column is fixedly connected to the limiting frame.

[0010] Furthermore, the limiting guide roller is rotatably connected to the inner side of the limiting frame, and the other end of the movable support column away from the limiting frame is fixedly connected to the limiting block.

[0011] Furthermore, a compression spring is sleeved on the surface of the movable support column, one end of the compression spring is fixedly connected to the surface of the limiting frame, and the other end of the compression spring is fixedly connected to the surface of the extension plate.

[0012] Furthermore, an output end of the dust suction pump is fixedly connected to an air duct, and an end of the air duct away from the dust suction pump extends to the interior of a dust box. An exhaust hole is provided on the upper surface of the dust box, and a filter screen cover is fixedly provided on the inner bottom wall of the dust box. The position of the filter screen cover corresponds to the exhaust hole, and the filter screen cover has an arc-shaped structure. By providing an arc-shaped filter screen cover at the exhaust hole position of the dust box, the filter screen cover can be used to remove dust and filter the exhaust air, so that dust and impurities are not easily adsorbed on the surface of the filter screen cover to cause blockage.

[0013] Furthermore, a driving motor is fixedly connected to the end of the driving shell, and an output shaft of the driving motor extends into the interior of the driving shell and is fixedly connected to the end of the driving screw.

[0014] Furthermore, a feed port and a discharge port are respectively provided on the left and right sides of the dust removal box, and two cabinet doors are rotatably provided on the front of the dust removal box. A strip guide hole is provided on the upper surface of the dust removal box, and the drive seat is slidably connected to the inner wall of the strip guide hole.

[0015] Technical effects and advantages of the utility model:

[0016] 1. The utility model provides a dust suction mechanism inside the dust removal box. When dust is removed from the surface of paper, the paper can be transported to the dust removal box so that the paper passes through the movable frame. The movable frame then drives two dust suction covers to vacuum the upper and lower surfaces of the paper. At the same time, two groups of upper and lower front and rear limiting guide rollers are used to press and limit the surface of the paper, thereby leveling the paper and keeping it flat during the dust removal process to avoid wrinkles on the paper.

[0017] 2. The utility model provides an annular air guide cavity inside the movable frame, and can use a dust suction pump to suck the dust sucked by the dust hood into the annular air guide cavity, so that the upper and lower dust hoods are connected to each other, which is convenient for double-sided dust removal of paper. By providing an arc-shaped filter screen cover at the exhaust hole position of the dust box, the filter screen cover can be used to remove dust and filter the air discharged to the outside, and the dust and impurities will automatically fall off under the action of gravity, so that dust and impurities are not easily adsorbed on the surface of the filter screen cover to cause blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the front section structure of the dust removal box of the utility model;

[0020] Figure 3 This is a partial front section structural diagram of the dust collection mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the mobile frame of the utility model;

[0022] Figure 5 It is a schematic diagram of the side section structure of the dust collecting box of the utility model.

[0023] The accompanying drawings are marked as follows: 1. dust removal box; 2. drive shell; 3. drive screw; 4. drive seat; 5. fixed frame; 6. movable frame; 7. annular air guide cavity; 8. dust suction pump; 9. dust collection box; 10. dust suction hood; 11. limiting guide roller; 12. extension plate; 13. movable support column; 14. limiting frame; 15. compression spring; 16. air guide pipe; 17. exhaust hole; 18. filter screen cover; 19. drive motor; 20. feed port; 21. discharge port. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The dust removal equipment for a papermaking machine involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0025] Reference Figure 1-5 The utility model provides a dust removal device for a papermaking machine, including a dust removal box 1, the upper surface of the dust removal box 1 is fixedly connected to a driving shell 2, the inner wall of the driving shell 2 is rotatably connected to a driving screw 3, the surface of the driving screw 3 is threadedly connected to a driving seat 4, the bottom end of the driving seat 4 extends to the interior of the dust removal box 1, and is fixedly connected to a dust suction mechanism.

[0026] A driving motor 19 is fixedly connected to the end of the driving shell 2, and the output shaft of the driving motor 19 extends to the interior of the driving shell 2 and is fixedly connected to the end of the driving screw 3. A strip guide hole is opened on the upper surface of the dust removal box 1, and the driving seat 4 is slidably connected to the inner wall of the strip guide hole.

[0027] A material inlet 20 and a material outlet 21 are respectively provided on the left and right sides of the dust removal box 1, and two cabinet doors are rotatably provided on the front side of the dust removal box 1.

[0028] The dust collection mechanism includes a fixed frame 5, a movable frame 6 is fixedly connected to the bottom end of the fixed frame 5, an annular air guide cavity 7 is opened inside the movable frame 6, and two dust pumps 8 are fixedly installed on the upper surface of the movable frame 6, and the input end of the dust pump 8 extends to the inside of the annular air guide cavity 7. A dust collection box 9 is fixedly connected to the upper surface of the movable frame 6, and a dust cover 10 is fixedly embedded in the inner top wall and the inner bottom wall of the movable frame 6. The air suction ports of the two dust covers 10 correspond to each other, and the length of the dust cover 10 is not less than the width of the paper. The upper and lower dust covers 10 can be used to perform double-sided dust collection on the paper;

[0029] It is worth mentioning that, by providing an annular air guide cavity 7 inside the movable frame 6, when in use, the dust sucked by the dust hood 10 can be sucked into the annular air guide cavity 7 by means of a dust suction pump 8, thereby connecting the upper and lower dust hoods 10 to each other, facilitating double-sided dust removal of paper.

[0030] The output end of the dust suction pump 8 is fixedly connected to an air duct 16, and one end of the air duct 16 away from the dust suction pump 8 extends to the interior of the dust collecting box 9. An exhaust hole 17 is provided on the upper surface of the dust collecting box 9, and a filter screen cover 18 is fixedly provided on the inner bottom wall of the dust collecting box 9. The position of the filter screen cover 18 corresponds to the exhaust hole 17, and the filter screen cover 18 has an arc-shaped structure.

[0031] It is worth mentioning that by providing an arc-shaped filter cover 18 at the exhaust hole 17 inside the dust box 9, the filter cover 18 can be used to remove dust and filter the exhaust air, and the dust and impurities will automatically fall off under the action of gravity, making it difficult for dust and impurities to be adsorbed on the surface of the filter cover 18 and cause blockage.

[0032] The left and right sides of the movable frame 6 are fixedly connected with a limiting assembly, which is used to limit and guide the paper. The limiting assembly includes four limiting guide rollers 11, and the four limiting guide rollers 11 are symmetrically distributed on the left and right sides of the movable frame 6 in groups of two.

[0033] Two extension plates 12 are fixedly connected on both sides of the movable frame 6, and a mounting through hole is opened on the surface of the extension plate 12. A movable support column 13 is slidably connected to the inner wall of the mounting through hole. One end of the movable support column 13 is fixedly connected to a limiting frame 14, and the limiting guide roller 11 is rotatably connected to the inner side of the limiting frame 14. The other end of the movable support column 13 away from the limiting frame 14 is fixedly connected to a limiting block.

[0034] A compression spring 15 is sleeved on the surface of the movable support column 13 . One end of the compression spring 15 is fixedly connected to the surface of the limiting frame 14 , and the other end of the compression spring 15 is fixedly connected to the surface of the extension plate 12 .

[0035] It is worth mentioning that, by arranging a dust suction mechanism inside the dust removal box 1, when the dust removal operation is performed on the surface of the paper, the paper can be transported to the inside of the dust removal box 1, so that the paper passes through the inside of the movable frame 6, and then the movable frame 6 is used to drive the two dust suction hoods 10 to perform dust suction operations on the upper and lower surfaces of the paper. At the same time, two sets of upper and lower front and rear limiting guide rollers 11 are used to press and limit the surface of the paper, so as to level the paper and keep the paper flat during the dust suction process. The dust suction pump 8 sucks the dust into the dust suction hood 10 and inputs it into the dust collection box 9 through the air duct 16, so as to facilitate the subsequent staff to clean the dust in the dust collection box 9.

[0036] Finally, it should be noted that the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model. The above description is only a preferred embodiment of the present utility model and is not used to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A dust removal device for a paper machine, comprising a dust removal box (1), characterized in that: The upper surface of the dust removal box (1) is fixedly connected to a driving shell (2), the inner wall of the driving shell (2) is rotatably connected to a driving screw (3), the surface of the driving screw (3) is threadedly connected to a driving seat (4), the bottom end of the driving seat (4) extends to the interior of the dust removal box (1) and is fixedly connected to a dust collection mechanism; The dust collection mechanism comprises a fixed frame (5), the bottom end of the fixed frame (5) is fixedly connected to a movable frame (6), an annular air guide cavity (7) is provided inside the movable frame (6), and two dust collection pumps (8) are fixedly installed on the upper surface of the movable frame (6), the input end of the dust collection pump (8) extends to the inside of the annular air guide cavity (7), the upper surface of the movable frame (6) is fixedly connected to a dust collection box (9), the inner top wall and the inner bottom wall of the movable frame (6) are both fixedly embedded with a dust collection hood (10), the air intake ports of the two dust collection hoods (10) correspond to each other, and the upper and lower dust collection hoods (10) can be used to perform double-sided dust collection on paper; The left and right sides of the movable frame (6) are both fixedly connected to a limiting assembly, the limiting assembly being used to limit and guide the paper, the limiting assembly comprising four limiting guide rollers (11), the four limiting guide rollers (11) being symmetrically distributed on the left and right sides of the movable frame (6) in groups of two.

2. A dust removal device for a paper machine according to claim 1, characterized in that: Two extension plates (12) are fixedly connected to both sides of the movable frame (6), and the surfaces of the extension plates (12) are provided with mounting holes, and the inner walls of the mounting holes are slidably connected to movable support columns (13), and one end of the movable support column (13) is fixedly connected to a limiting frame (14).

3. A dust removal device for a paper machine according to claim 2, characterized in that: The limiting guide roller (11) is rotatably connected to the inner side of the limiting frame (14), and the other end of the movable support column (13) away from the limiting frame (14) is fixedly connected to the limiting block.

4. A dust removal device for a paper machine according to claim 3, characterized in that: A compression spring (15) is sleeved on the surface of the movable support column (13), one end of the compression spring (15) is fixedly connected to the surface of the limiting frame (14), and the other end of the compression spring (15) is fixedly connected to the surface of the extension plate (12).

5. A dust removal device for a paper machine according to claim 4, characterized in that: The output end of the dust suction pump (8) is fixedly connected to an air guide pipe (16), and one end of the air guide pipe (16) away from the dust suction pump (8) extends to the interior of the dust collection box (9). An exhaust hole (17) is provided on the upper surface of the dust collection box (9), and a filter screen cover (18) is fixedly provided on the inner bottom wall of the dust collection box (9). The position of the filter screen cover (18) corresponds to the exhaust hole (17), and the filter screen cover (18) is in an arc-shaped structure.

6. A dust removal device for a paper machine according to claim 5, characterized in that: The end of the drive housing (2) is fixedly connected to a drive motor (19), and the output shaft of the drive motor (19) extends into the interior of the drive housing (2) and is fixedly connected to the end of the drive screw rod (3).

7. A dust removal device for a paper machine according to claim 6, characterized in that: The dust removal box (1) is provided with a feed inlet (20) and a discharge outlet (21) on the left and right sides respectively, and the front side of the dust removal box (1) is provided with two cabinet doors which can be rotated.

8. A dust removal device for a paper machine according to claim 7, characterized in that: The upper surface of the dust removal box (1) is provided with a strip-shaped guide hole, and the driving seat (4) is slidably connected to the inner wall of the strip-shaped guide hole.

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