Papermaking machinery vacuum roller with double adjusting rods

By using a dual-adjustment rod structure and an airbag cushion mechanism, the problems of vacuum roll hole blockage and roll surface skewness are solved, enabling precise adjustment of the vacuum roll and uniform paper dewatering, thus improving the performance of the papermaking equipment.

CN224077852UActive Publication Date: 2026-04-03WUXI ZHENGYANG PAPER MFG MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-16
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing dual-adjustment rod papermaking machinery vacuum rollers are prone to clogging of the vacuum roller holes when adsorbing paper of different widths. Furthermore, traditional adjustment relies on a single screw or hydraulic cylinder, which causes the roller surface to be skewed, affecting the uniformity of paper dewatering.

Method used

The system employs a dual-adjustment rod structure, combined with an airbag cushion mechanism and a motor-driven adjustment mechanism, to achieve radial and axial position adjustment of the vacuum roller. The airbag cushion also blocks the holes to prevent clogging.

Benefits of technology

This effectively avoids clogging of the vacuum roller holes, ensures uniform paper dewatering and precise adjustment of the vacuum roller position, and improves the reliability and efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of papermaking machinery, in particular to a double-adjusting-rod papermaking machinery vacuum roller which comprises a rack, the outer wall of a rotating shaft is fixedly connected with a fixing disc and a vacuum roller body, the fixing disc is fixedly connected with the vacuum roller body, an adjusting mechanism is arranged on the outer side of the rack, and the adjusting mechanism is arranged on the outer side of the rack. An air bag cushion mechanism is arranged on the outer side of the vacuum roller body, the air bag cushion mechanism enables an air bag cushion in an unfolded and expanded state to be arranged on the outer side of the vacuum roller body in a sleeving mode, part of hole portions in the surface of the vacuum roller body are shielded, and therefore the condition that the hole portions of the vacuum roller body are blocked can be avoided. The connecting rods in the moving state drive the vacuum roller body to move axially, the axial position of the vacuum roller body can be adjusted conveniently, the vacuum roller body is driven to move radially through movement in the moving state, the radial position of the vacuum roller body can be adjusted conveniently, and therefore the effect of adjusting the two-way position of the vacuum roller body is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of papermaking machinery technology, specifically to a vacuum roller for papermaking machinery with dual adjusting rods. Background Technology

[0002] The dual-adjustment rod vacuum roller for papermaking machinery is a key piece of equipment used in the papermaking industry. It is mainly used in the dewatering, forming and transfer of paper. Its core function is to control the moisture and tension of the paper through vacuum adsorption, while the dual-adjustment rod structure enables more precise adjustment of the roller surface position and pressure.

[0003] When using existing dual-adjustment rod vacuum rollers for papermaking machinery, if the vacuum roller adsorbs paper of different widths, the adsorption holes not covered by the paper will suck in foreign objects such as lint, causing blockage in the vacuum roller holes. In addition, traditional vacuum roller adjustment relies on a single screw or hydraulic cylinder, which is prone to uneven force and roller surface skew, affecting the uniformity of paper dewatering. Therefore, a dual-adjustment rod vacuum roller for papermaking machinery is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a vacuum roller for papermaking machinery with dual adjusting rods, in order to solve the problem mentioned in the background art that when the vacuum roller is used to adsorb papers of different widths, the holes of the vacuum roller are easily blocked, and the traditional vacuum roller adjustment relies on a single screw or hydraulic cylinder. Therefore, a vacuum roller with dual adjusting rods for papermaking machinery is proposed.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a vacuum roller for papermaking machinery with dual adjusting rods, including a frame, a rotating shaft rotatably connected to the inner side of the frame, a fixed disk and a vacuum roller body fixedly connected to the outer wall of the rotating shaft, and the fixed disk and the vacuum roller body fixedly connected, an adjusting mechanism is provided on the outer side of the frame, and an airbag cushion mechanism is provided on the outer side of the vacuum roller body.

[0006] The adjustment mechanism includes a bracket, a guide rod, a lead screw, a first motor, a moving seat, a connecting rod, a connecting frame, a rack, a second motor, and gears;

[0007] The bracket is disposed on the outside of the frame, the guide rod is fixedly connected to the inside of the bracket, the lead screw is fixedly installed on the inside of the bracket, the first motor is fixedly installed on the outside of the bracket, the movable seat is slidably connected to the outer wall of the guide rod, the connecting rod is slidably connected to the movable seat, the connecting frame is fixedly connected to one side of the connecting rod, the rack is fixedly assembled on the inside of the connecting frame, the second motor is fixedly installed on the top of the movable seat, and the gear is fixedly assembled on the end of the output shaft of the second motor.

[0008] Preferably, the lead screw is fixedly connected to the end of the output shaft of the first motor, and the output shaft of the first motor in the energized state is used to drive the lead screw to rotate.

[0009] Preferably, the movable seat and the lead screw are connected by a lead screw seat, and the lead screw in a rotating state is used to drive the movable seat to move.

[0010] Preferably, the connecting frame is fixedly connected to the machine frame, and the movable seat in the moving state is used to adjust the radial position of the vacuum roller body.

[0011] Preferably, the gear meshes with the rack, and the meshing state of the rack and the gear is used to drive the connecting rod to move, and the moving state of the connecting rod is used to adjust the axial position of the vacuum roller body.

[0012] Preferably, the airbag cushion mechanism includes an electric push rod, a moving ring, an air pump, a connecting pipe, an airbag cushion, and a sliding rod;

[0013] The electric push rod is fixedly installed on the outside of one of the fixed disks, the movable ring is fixedly connected to the output end of the electric push rod, the air pump is fixedly installed on the outside of the movable ring, the connecting pipe is fixedly connected to the docking end of the air pump, the airbag pad is disposed on one side of the movable ring, and the slide rod is slidably connected to one of the fixed disks.

[0014] Preferably, the movable ring and the airbag are both sleeved on the surface of the vacuum roller body, and the other side of the airbag is fixedly connected to a fixed plate.

[0015] Preferably, one end of the slide rod is fixedly connected to the airbag cushion, and the output end of the connecting tube is connected to the input end of the airbag cushion. The air pump in the energized state is used to inflate the airbag cushion through the connecting tube.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: The airbag cushion mechanism allows the airbag cushion in its unfolded and inflated state to be fitted onto the outside of the vacuum roller body, blocking some of the holes on the surface of the vacuum roller body, thus preventing blockage of the holes in the vacuum roller body. The adjustment mechanism allows the moving linkage to drive the vacuum roller body to move axially, which facilitates the adjustment of the axial position of the vacuum roller body. The moving linkage also allows the vacuum roller body to move radially, which facilitates the adjustment of the radial position of the vacuum roller body, thereby achieving the effect of bidirectional position adjustment of the vacuum roller body. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0018] Figure 2 This is a schematic diagram of the adjustment mechanism of this utility model;

[0019] Figure 3 This utility model Figure 2 A schematic diagram of structure A in the diagram;

[0020] Figure 4 This is a schematic diagram of the vacuum roller body structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the airbag cushion mechanism of this utility model.

[0022] In the diagram: 1. Frame; 2. Rotating shaft; 3. Fixed plate; 4. Vacuum roller body; 5. Airbag cushion mechanism; 501. Electric push rod; 502. Moving ring; 503. Air pump; 504. Connecting pipe; 505. Airbag cushion; 506. Slide rod; 6. Adjustment mechanism; 601. Bracket; 602. Guide rod; 603. Lead screw; 604. First motor; 605. Moving seat; 606. Connecting rod; 607. Connecting frame; 608. Rack; 609. Second motor; 6010. Gear. Detailed Implementation

[0023] 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.

[0024] Please see Figure 1-5 This utility model provides a technical solution for a vacuum roller in a papermaking machine with dual adjusting rods: a vacuum roller in a papermaking machine with dual adjusting rods includes a frame 1, a rotating shaft 2 is rotatably connected to the inner side of the frame 1, a fixed disk 3 and a vacuum roller body 4 are fixedly connected to the outer wall of the rotating shaft 2, and the fixed disk 3 and the vacuum roller body 4 are fixedly connected, an adjusting mechanism 6 is provided on the outer side of the frame 1, and an airbag cushion mechanism 5 is provided on the outer side of the vacuum roller body 4.

[0025] The adjustment mechanism 6 includes a bracket 601, a guide rod 602, a lead screw 603, a first motor 604, a moving seat 605, a connecting rod 606, a connecting frame 607, a rack 608, a second motor 609, and a gear 6010.

[0026] A bracket 601 is disposed on the outside of the frame 1. A guide rod 602 is fixedly connected to the inside of the bracket 601. A lead screw 603 is fixedly installed on the inside of the bracket 601. A first motor 604 is fixedly installed on the outside of the bracket 601. A movable seat 605 is slidably connected to the outer wall of the guide rod 602. A connecting rod 606 is slidably connected to the movable seat 605. A connecting frame 607 is fixedly connected to one side of the connecting rod 606. A rack 608 is fixedly assembled on the inside of the connecting frame 607. A second motor 609 is fixedly installed on the top of the movable seat 605. A gear 6010 is fixedly assembled on the end of the output shaft of the second motor 609.

[0027] Please refer to this carefully. Figure 2 The lead screw 603 is fixedly connected to the end of the output shaft of the first motor 604, and the output shaft of the first motor 604 in the energized state is used to drive the lead screw 603 to rotate.

[0028] In this embodiment: the first motor 604 is powered on and put into operation, so that the output shaft of the first motor 604 in operation drives the lead screw 603 to rotate, and the rotating lead screw 603 drives the moving seat 605 to move along the outer wall trajectory of the guide rod 602.

[0029] Please refer to this carefully. Figure 2 The movable seat 605 is connected to the lead screw 603 through a lead screw seat, and the rotating lead screw 603 is used to drive the movable seat 605 to move.

[0030] In this embodiment: the rotating lead screw 603 drives the moving seat 605 to move along the outer wall trajectory of the guide rod 602, and the moving seat 605 drives the vacuum roller body 4 to move radially.

[0031] Please refer to this carefully. Figure 2 The connecting frame 607 is fixedly connected to the frame 1, and the movable seat 605 in the moving state is used to adjust the radial position of the vacuum roller body 4.

[0032] In this embodiment, the moving seat 605 in the moving state drives the vacuum roller body 4 to move radially, which facilitates the adjustment of the radial position of the vacuum roller body 4.

[0033] Please refer to this carefully. Figure 3 Gear 6010 meshes with rack 608, and rack 608 and gear 6010 in the meshing state are used to drive connecting rod 606 to move. Connecting rod 606 in the moving state is used to adjust the axial position of vacuum roller body 4.

[0034] In this embodiment: Since the gear 6010 meshes with the rack 608, the rotating gear 6010 drives the rack 608 and the connecting rod 606 to move. The moving connecting rod 606 drives the vacuum roller body 4 to move axially, which facilitates the adjustment of the axial position of the vacuum roller body 4.

[0035] Please refer to this carefully. Figure 4 The airbag cushion mechanism 5 includes an electric push rod 501, a moving ring 502, an air pump 503, a connecting pipe 504, an airbag cushion 505, and a slide rod 506.

[0036] An electric push rod 501 is fixedly installed on the outside of a fixed plate 3. A moving ring 502 is fixedly connected to the output end of the electric push rod 501. An air pump 503 is fixedly installed on the outside of the moving ring 502. A connecting pipe 504 is fixedly connected to the docking end of the air pump 503. An airbag 505 is set on one side of the moving ring 502. A slide rod 506 is slidably connected to a fixed plate 3.

[0037] In this embodiment: when it is necessary to block some of the holes on the surface of the vacuum roller body 4, firstly, the electric push rod 501 is powered on and operated, so that the output end of the electric push rod 501 in operation drives the moving ring 502 to move. The moving ring 502 in operation drives the folded airbag pad 505 to unfold, and the slide rod 506 assists in moving the airbag pad 505. Then, the air pump 503 is powered on and operated, so that the air pump 503 in operation in operation inflates the inside of the airbag pad 505 through the connecting pipe 504, so that the unfolded and inflated airbag pad 505 is fitted on the outside of the vacuum roller body 4, blocking some of the holes on the surface of the vacuum roller body 4, thus avoiding the blockage of the holes in the vacuum roller body 4.

[0038] Please refer to this carefully. Figure 4 The moving ring 502 and the airbag 505 are both sleeved on the surface of the vacuum roller body 4, and the other side of the airbag 505 is fixedly connected to a fixed plate 3.

[0039] In this embodiment, the airbag 505, in its unfolded and inflated state, is fitted onto the outside of the vacuum roller body 4 to cover some of the holes on the surface of the vacuum roller body 4.

[0040] Please refer to this carefully. Figure 5 One end of the slide bar 506 is fixedly connected to the airbag cushion 505, and the output end of the connecting tube 504 is connected to the input end of the airbag cushion 505. The air pump 503, which is powered on, is used to inflate the inside of the airbag cushion 505 through the connecting tube 504.

[0041] In this embodiment: the air pump 503 is powered on and operated, so that the air pump 503 in operation inflates the inside of the airbag pad 505 through the connecting pipe 504, so that the airbag pad 505 in the unfolded and inflated state is fitted on the outside of the vacuum roller body 4.

[0042] Working principle: First, the first motor 604 is powered on and started, causing the output shaft of the first motor 604 to drive the lead screw 603 to rotate. The rotating lead screw 603 drives the moving seat 605 to move along the outer wall trajectory of the guide rod 602. The moving seat 605 drives the vacuum roller body 4 to move radially, which facilitates the adjustment of the radial position of the vacuum roller body 4. Then, the second motor 609 is powered on and started, causing the output shaft of the second motor 609 to drive the gear 6010 to rotate. Since the gear 6010 meshes with the rack 608, the rotating gear 6010 drives the rack 608 and the connecting rod 606 to move. The moving connecting rod 606 drives the vacuum roller body 4 to move axially, which facilitates the adjustment of the axial position of the vacuum roller body 4.

[0043] When it is necessary to block some of the holes on the surface of the vacuum roller body 4, firstly, the electric push rod 501 is powered on and operated, so that the output end of the electric push rod 501 drives the moving ring 502 to move. The moving ring 502 drives the folded airbag pad 505 to unfold, and the slide rod 506 assists in moving the airbag pad 505. Then, the air pump 503 is powered on and operated, so that the air pump 503 inflates the inside of the airbag pad 505 through the connecting pipe 504. The unfolded and inflated airbag pad 505 is placed on the outside of the vacuum roller body 4, blocking some of the holes on the surface of the vacuum roller body 4, thus preventing the holes of the vacuum roller body 4 from becoming blocked.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A double-adjusting-rod papermaking machinery vacuum roll, comprising a frame (1), the inner side of the frame (1) is rotationally connected with a rotating shaft (2), the outer wall of the rotating shaft (2) is fixedly connected with a fixed disc (3) and a vacuum roll body (4), and the fixed disc (3) and the vacuum roll body (4) are fixedly connected, characterized in that: The outer side of the rack (1) is provided with an adjusting mechanism (6), and the outer side of the vacuum roller body (4) is provided with an air bag pad mechanism (5); ​ The adjusting mechanism (6) comprises a support (601), a guide rod (602), a lead screw (603), a first motor (604), a moving seat (605), a connecting rod (606), a connecting frame (607), a rack (608), a second motor (609) and a gear (6010); The support (601) is arranged on the outer side of the rack (1), the guide rod (602) is fixedly connected to the inner side of the support (601), the lead screw (603) is fixedly installed on the inner side of the support (601), the first motor (604) is fixedly installed on the outer side of the support (601), the moving seat (605) is slidingly connected to the outer wall of the guide rod (602), the connecting rod (606) is slidingly connected with the moving seat (605), the connecting frame (607) is fixedly connected to one side of the connecting rod (606), the rack (608) is fixedly assembled on the inner side of the connecting frame (607), the second motor (609) is fixedly installed on the top of the moving seat (605), and the gear (6010) is fixedly assembled on the output shaft end of the second motor (609).

2. A dual-adjustable-rod papermaking machinery vacuum roll as claimed in claim 1, characterized in that: The lead screw (603) is fixedly connected with the output shaft end of the first motor (604), and the output shaft of the first motor (604) in the power-on state is used to drive the lead screw (603) to rotate.

3. A dual-adjustable-rod papermaking machinery vacuum roll as claimed in claim 1, characterized in that: The moving seat (605) is connected with the lead screw (603) through a lead screw seat, and the moving seat (605) is used to move under the driving of the rotating lead screw (603).

4. A dual-adjustable-rod papermaking machinery vacuum roll as claimed in claim 1, characterized in that: The connecting frame (607) is fixedly connected with the rack (1), and the moving seat (605) is used to adjust the radial position of the vacuum roller body (4) in the moving state.

5. A dual-adjustable-rod papermaking machinery vacuum roll as claimed in claim 1, characterized in that: The gear (6010) is engaged with the rack (608), and the rack (608) and the gear (6010) are used to drive the connecting rod (606) to move in the engaged state, and the connecting rod (606) is used to adjust the axial position of the vacuum roller body (4) in the moving state.

6. A dual-adjustable-rod papermaking machinery vacuum roll as claimed in claim 1, characterized in that: The air bag pad mechanism (5) comprises an electric push rod (501), a moving ring (502), an air pump (503), a connecting pipe (504), an air bag pad (505) and a sliding rod (506); The electric push rod (501) is fixedly installed on the outer side of one of the fixed discs (3), the moving ring (502) is fixedly connected to the output end of the electric push rod (501), the air pump (503) is fixedly installed on the outer side of the moving ring (502), the connecting pipe (504) is fixedly connected to the butt joint end of the air pump (503), the air bag pad (505) is arranged on one side of the moving ring (502), and the sliding rod (506) is slidingly connected with one of the fixed discs (3).

7. A dual-adjustable-rod papermaking machinery vacuum roll as claimed in claim 6, characterized in that: The mobile ring (502) and the air bag pad (505) are sleeved on the surface of the vacuum roller body (4), and the other side of the air bag pad (505) is fixedly connected with one of the fixed discs (3).

8. A dual-adjustable-rod papermaking machinery vacuum roll as defined in claim 6, wherein: One end of the sliding rod (506) is fixedly connected with the air bag pad (505), and the output end of the connecting pipe (504) is connected with the input end of the air bag pad (505); the air pump (503) in the power-on state is used for inflating the inside of the air bag pad (505) through the connecting pipe (504).