Dust removal device of papermaking machinery rewinding machine

Abstract

A dedusting device for a papermaking machinery rewinding machine relates to the technical field of separation devices and comprises a dedusting housing, the lower end of the dedusting housing is open, a separation mesh cylinder is rotatably arranged in the dedusting housing, the dedusting housing is fixedly connected with a negative pressure suction cylinder communicated with an inner cavity of the separation mesh cylinder, and a reverse cleaning shell with a fixed position is arranged in the separation mesh cylinder. And the dust removal housing is fixedly connected with an air blowing cylinder communicated with the inner cavity of the reverse cleaning shell. According to the dust removal device, the problems that in the prior art, after dust generated by the rewinding machine is removed through a separation structure, due to the fact that the dust is attached to the separation structure, an operator needs to carry out multiple disassembly steps to clean the dust attached to the separation structure, and the labor intensity is increased are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of separation devices, in particular to a dust removal device for a papermaking machinery rewinder. Background Art

[0002] The rewinder is a special equipment for papermaking. Its purpose is to rewind the paper rolls produced by the papermaking machine in sequence. After the paper is rewound, the finished paper is shipped out of the factory. The produced paper must be trimmed, slit, joined, and rewound on the paper roll core by the rewinder. When the rewinder is working, the cutting device of the rewinder is completely exposed in the workshop. When cutting paper, the cutting device of the rewinder will generate fine dust, which will spread in the workshop and cause air pollution in the workshop.

[0003] A patent with announcement number CN215997855U is disclosed in the prior art. The solution includes a paper roll, a dust removal mechanism, and a salvage mechanism. The salvage mechanism includes a driving wheel 1, a belt 2, a rotating rod 3, and a bevel gear 1. The driving wheel 1 is connected to the double-groove wheel through the belt 2, the inner wall of the driving wheel 1 is connected to the outer wall of the rotating rod 3, and the outer wall of the rotating rod 3 is connected to the inner wall of the bevel gear 1. The purpose of driving the salvage net to rotate by rotating the rotating rod 1 is achieved, so that the paper scraps blown into the water tank by the fan blades are salvaged.

[0004] The existing devices including the above patents gradually exposed the shortcomings of the existing technology as they were used, mainly in the following aspects:

[0005] After the existing separation structure removes the dust generated by the rewinder, since the dust adheres to the separation structure, the operator needs to perform multiple disassembly steps to clean the dust adhered to the separation structure, which increases the labor intensity.

[0006] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0007] In view of the defects in the prior art, the utility model provides a dust removal device for a papermaking machinery rewinder, which is used to solve the problem that after the separation structure in the traditional technology removes the dust generated by the rewinder, the dust adheres to the separation structure, so the operator needs to perform multiple disassembly steps to clean the dust adhered to the separation structure, which increases the labor intensity.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A dust removal device for a papermaking machine rewinder comprises a dust removal cover, the lower end of the dust removal cover is open, a separation net cylinder is rotatably arranged in the dust removal cover, and a negative pressure suction cylinder connected to the inner cavity of the separation net cylinder is fixedly connected to the dust removal cover.

[0010] A fixed reverse cleaning shell is provided inside the separation net cylinder, and an air blowing cylinder connected to the inner cavity of the reverse cleaning shell is fixedly connected to the dust removal cover.

[0011] The reverse cleaning shell is provided with a reverse cleaning hole facing the inner wall of the separation net cylinder, the outside of the dust collection cover is fixedly connected to a dust collecting box, the dust collecting box is provided with a discharge port connected to the inner cavity of the dust collection cover, the discharge port is arranged opposite to the reverse cleaning hole, and the outside of the dust collection box is detachably connected to a dust bag connected to its inner cavity.

[0012] As an optimized solution, two guide plates are fixedly connected between the opposite side walls of the dust removal cover shell at an angle from top to bottom, the lower ends of the two guide plates are fixedly connected to the upper and lower edges of the discharge port, and the upper ends of the two guide plates are close to the upper and lower edges of the reverse cleaning hole.

[0013] As an optimized solution, a support plate is fixedly connected to one of the inner walls of the dust removal cover shell, one end of the separation net cylinder is rotatably mounted on the support plate through a support ring, and a rotating plate coaxially arranged with the support plate is rotatably provided on the other opposite inner wall of the dust removal cover shell, and the other end of the separation net cylinder is fixedly connected to the rotating plate through a support ring.

[0014] As an optimized solution, a driving machine is fixedly connected to the outer side wall of the dust removal cover, and the output shaft of the driving machine is fixedly connected to the rotating disk.

[0015] As an optimized solution, one end of the reverse cleaning shell is fixedly connected to the inner wall of the support plate, and the reverse cleaning hole is opened on the side wall of the reverse cleaning shell facing the discharge port.

[0016] As an optimized solution, the reverse cleaning shell includes a fan-shaped packaging shell, the arc surface of the fan-shaped packaging shell is in frictional contact with the inner wall of the separation net cylinder, and the reverse cleaning hole is opened on the arc surface of the fan-shaped packaging shell.

[0017] As an optimized solution, the outlet end of the air cylinder passes through the support plate and is communicated with the inner cavity of the reverse cleaning shell.

[0018] As an optimized solution, the inlet end of the negative pressure suction cylinder passes through the support plate and is communicated with the inner cavity of the separation net cylinder.

[0019] As an optimized solution, the lower end of the dust collecting box is fixedly connected with a guide tube connected to its inner cavity, and the inlet end of the dust removal bag is detachably mounted on the guide tube through a clamp.

[0020] As an optimized solution, a frame connecting plate is fixedly connected to the outer wall of the lower port of the dust removal cover.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The dust collecting hood is fixed on the rewinding machine by using the frame connecting plate, and the negative pressure source is connected by the negative pressure suction cylinder to realize the dust generated in the slitting process being sucked into the separation net cylinder. The dust will be adsorbed on the separation net cylinder under the obstruction of the separation net cylinder, and the separation net cylinder is driven to rotate by the driving machine. When the separation net cylinder rotates to the area where the reverse cleaning shell is located, since the reverse cleaning shell is connected to the air blowing cylinder, the external high-pressure air is blown in by the air blowing cylinder to realize reverse cleaning from the inside of the separation net cylinder, and the dust attached to the inside of the separation net cylinder is blown off. The blown off dust enters the dust collecting box along the guide plate and falls into the dust collecting bag for collection, thereby realizing the dust removal work. This separation structure can ensure the synchronization of dust removal and dust discharge work, and overcome the problem that the dust adheres to the separation net cylinder and affects the ventilation efficiency of the separation net cylinder.

[0023] The dust bag is fixed to the outlet tube by a clamp, and the dust bag can be easily disassembled and maintained from the outside, which is convenient and quick and reduces labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 It is a structural schematic diagram of the driving machine of the utility model.

[0027] In the figure: 1-dust removal cover, 2-separation net cylinder, 3-reverse cleaning shell, 4-negative pressure suction cylinder, 5-air blowing cylinder; 6-reverse cleaning hole; 7-guide plate; 8-discharge port; 9-dust collecting box; 10-export cylinder; 11-dust removal bag; 12-clamp; 13-support plate; 14-rotating plate; 15-driving machine; 16-support ring; 17-frame connecting plate. DETAILED DESCRIPTION

[0028] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0029] like Figure 1 and Figure 2 As shown, the dust removal device of the papermaking machine rewinder comprises a dust removal cover 1, the lower end of the dust removal cover 1 is open, a separation net cylinder 2 is rotatably arranged in the dust removal cover 1, and a negative pressure suction cylinder 4 connected to the inner cavity of the separation net cylinder 2 is fixedly connected to the dust removal cover 1.

[0030] A fixed reverse cleaning shell 3 is provided inside the separation net cylinder 2, and a blow cylinder 5 connected to the inner cavity of the reverse cleaning shell 3 is fixedly connected to the dust removal cover 1.

[0031] A reverse cleaning hole 6 facing the inner wall of the separation net cylinder 2 is opened on the reverse cleaning shell 3, and a dust collecting box 9 is fixedly connected to the outside of the dust collecting cover shell 1. The dust collecting box 9 is provided with a discharge port 8 connected to the inner cavity of the dust collecting cover shell 1. The discharge port 8 is arranged opposite to the reverse cleaning hole 6, and the outside of the dust collecting box 9 is detachably connected to a dust bag 11 connected to its inner cavity.

[0032] Two guide plates 7 are fixedly connected obliquely from top to bottom between the opposite side walls of the dust removal housing 1 . The lower ends of the two guide plates 7 are fixedly connected to the upper and lower edges of the discharge port 8 , and the upper ends of the two guide plates 7 are close to the upper and lower edges of the reverse cleaning hole 6 .

[0033] A support plate 13 is fixedly connected to one of the inner walls of the dust removal cover 1, and one end of the separation net cylinder 2 is rotatably mounted on the support plate 13 through a support ring 16. A rotating plate 14 coaxially arranged with the support plate 13 is rotatably provided on the other opposite inner wall of the dust removal cover 1, and the other end of the separation net cylinder 2 is fixedly connected to the rotating plate 14 through a support ring 16.

[0034] A driving machine 15 is fixedly connected to the outer wall of the dust removal housing 1 , and an output shaft of the driving machine 15 is fixedly connected to the rotating disk 14 .

[0035] One end of the reverse cleaning shell 3 is fixedly connected to the inner wall of the support plate 13 , and the reverse cleaning hole 6 is opened on the side wall of the reverse cleaning shell 3 facing the discharge port 8 .

[0036] The reverse cleaning shell 3 comprises a fan-shaped encapsulating shell, the arc surface of which is in frictional contact with the inner wall of the separation net cylinder 2, and the reverse cleaning hole 6 is provided on the arc surface of the fan-shaped encapsulating shell.

[0037] The outlet end of the air cylinder 5 passes through the support plate 13 and is communicated with the inner cavity of the reverse cleaning shell 3 .

[0038] The inlet end of the negative pressure suction cylinder 4 passes through the support plate 13 and is communicated with the inner cavity of the separation net cylinder 2 .

[0039] The lower end of the dust collecting box 9 is fixedly connected with a guide tube 10 communicating with the inner cavity thereof, and the inlet end of the dust removal bag 11 is detachably mounted on the guide tube 10 via a clamp 12 .

[0040] A frame connecting plate 17 is fixedly connected to the outer wall of the lower port of the dust removal cover 1.

[0041] The working principle of this device is:

[0042] The dust collecting hood 1 is fixed on the rewinding machine by using the frame connecting plate 17, and the negative pressure source is connected to the negative pressure suction cylinder 4, so that the dust generated in the slitting process can be sucked into the separation net cylinder 2, and the dust can be adsorbed on the separation net cylinder 2 under the obstruction of the separation net cylinder 2, and the separation net cylinder 2 is driven to rotate by the driving machine 15. When the separation net cylinder 2 rotates to the area where the reverse cleaning shell 3 is located, the reverse cleaning shell 3 is connected to the air blowing cylinder 5, and the air blowing cylinder 5 is used to blow in external high-pressure air to realize reverse cleaning from the inside of the separation net cylinder 2, and the dust attached to the inside of the separation net cylinder 2 is blown off, and the blown off dust enters the dust collecting box 9 along the guide plate 7 and falls into the dust collecting bag 11 for collection, thereby realizing the dust removal work; this separation structure can ensure the synchronization of dust removal and dust discharge work, and overcome the problem that the dust adheres to the separation net cylinder 2 and affects the ventilation efficiency of the separation net cylinder 2;

[0043] The dust bag 11 is fixed to the outlet tube 10 by the clamp 12, so the dust bag 11 can be conveniently disassembled and maintained from the outside, which is convenient and quick and reduces labor intensity.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. A dust removal device for a papermaking machine rewinder, characterized in that: The dust removal cover (1) comprises a dust removal cover (1), the lower end of the dust removal cover (1) is open, a separation net cylinder (2) is rotatably arranged in the dust removal cover (1), and the dust removal cover (1) is fixedly connected to a negative pressure suction cylinder (4) communicating with the inner cavity of the separation net cylinder (2). The separation net cylinder (2) is provided with a fixed reverse cleaning shell (3) inside, and the dust removal cover (1) is fixedly connected with an air blowing cylinder (5) communicating with the inner cavity of the reverse cleaning shell (3). The reverse cleaning shell (3) is provided with a reverse cleaning hole (6) facing the inner wall of the separation net cylinder (2); the outside of the dust collecting shell (1) is fixedly connected with a dust collecting box (9); the dust collecting box (9) is provided with a discharge port (8) connected to the inner cavity of the dust collecting shell (1); the discharge port (8) is arranged opposite to the reverse cleaning hole (6); the outside of the dust collecting box (9) is detachably connected with a dust collecting bag (11) connected to its inner cavity.

2. The dust removal device for a papermaking machine rewinder according to claim 1, characterized in that: Two guide plates (7) are fixedly connected obliquely from top to bottom between the opposite side walls of the dust removal housing (1); the lower ends of the two guide plates (7) are fixedly connected to the upper and lower edges of the discharge port (8) respectively, and the upper ends of the two guide plates (7) are close to the upper and lower edges of the reverse cleaning hole (6).

3. The dust removal device for a papermaking machine rewinder according to claim 2, characterized in that: A support plate (13) is fixedly connected to one of the inner walls of the dust removal cover (1), one end of the separation net cylinder (2) is rotatably mounted on the support plate (13) via a support ring (16), and a rotating plate (14) coaxially arranged with the support plate (13) is rotatably provided on the other opposite inner wall of the dust removal cover (1), the other end of the separation net cylinder (2) is fixedly connected to the rotating plate (14) via a support ring (16).

4. The dust removal device for a papermaking machine rewinder according to claim 3 is characterized in that: A driving machine (15) is fixedly connected to the outer wall of the dust removal housing (1), and an output shaft of the driving machine (15) is fixedly connected to the rotating disk (14).

5. The dust removal device for a papermaking machine rewinder according to claim 4, characterized in that: One end of the reverse cleaning shell (3) is fixedly connected to the inner wall of the support plate (13), and the reverse cleaning hole (6) is formed on the side wall of the reverse cleaning shell (3) facing the discharge port (8).

6. The dust removal device for a papermaking machine rewinder according to claim 5, characterized in that: The reverse cleaning shell (3) comprises a fan-shaped encapsulation shell, the arc surface of the fan-shaped encapsulation shell is in frictional contact with the inner wall of the separation net cylinder (2), and the reverse cleaning hole (6) is opened on the arc surface of the fan-shaped encapsulation shell.

7. The dust removal device for a papermaking machine rewinder according to claim 6, characterized in that: The outlet end of the air blowing cylinder (5) passes through the supporting plate (13) and is in communication with the inner cavity of the reverse cleaning shell (3).

8. The dust removal device for a papermaking machine rewinder according to claim 7, characterized in that: The inlet end of the negative pressure suction cylinder (4) passes through the support plate (13) and is in communication with the inner cavity of the separation net cylinder (2).

9. The dust removal device for a papermaking machine rewinder according to claim 8, characterized in that: The lower end of the dust collecting box (9) is fixedly connected to a guide tube (10) communicating with the inner cavity thereof, and the inlet end of the dust removal bag (11) is detachably mounted on the guide tube (10) via a clamp (12).

10. The dust removal device for a papermaking machine rewinder according to claim 9, characterized in that: A frame connecting plate (17) is fixedly connected to the outer wall of the lower port of the dust removal cover (1).

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