Papermaking press roll structure

By introducing a drive frame and a guide limiting structure into the press roll of the paper machine, the problem of misalignment in the adjustment of the gap between the upper and lower press rolls was solved, achieving automatic adjustment and improved stability.

CN223853065UActive Publication Date: 2026-01-30SHANGRAO GUANGFENG SHUANGDING PAPER CO LTD
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Patent Information

Application Number
CN202520557071.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-01-30
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

The press rolls of existing paper machines are prone to misalignment when adjusting the distance between the upper and lower press rolls, resulting in insufficient installation and fixation, which affects practicality.

Method used

The system employs components such as a drive frame, synchronous motor, lead screw, and guide rod. The distance between the upper stone roller and the lower rubber roller is adjusted by motor drive, and the guide plate and annular groove are used for limiting to ensure the stability of the roller distance adjustment.

Benefits of technology

It enables automatic adjustment of the distance between the upper stone roller and the lower rubber roller, avoiding misalignment and improving the practicality and stability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a papermaking press roll structure which comprises an upper stone roll and a lower rubber roll, the lower rubber roll is arranged below the upper stone roll, the two ends of the upper stone roll and the two ends of the lower rubber roll are respectively provided with a driving frame, a movable seat is arranged on the upper portion of the interior of each driving frame, and a fixed seat is arranged on the bottom side of the inner wall of each driving frame. The two ends of the upper stone roller and the two ends of the lower rubber roller are connected with positioning pipes in a sleeving mode correspondingly, the positioning pipes penetrate through the outer sides of the fixed base and the movable base through bearings correspondingly, the distance between the upper stone roller and the lower rubber roller is adjusted, the upper stone roller can continuously extrude and squeeze materials in a decreasing mode, workers do not need to adjust the height of the upper stone roller, and the working efficiency is improved. And a guide disc on the outer wall of the first sleeve is used for guiding and limiting in an annular groove in the outer wall of the second sleeve, so that the condition of deviation in the spacing adjustment process or the squeezing process is effectively avoided, and the practicability is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of squeezing roller, specifically, relate to a papermaking squeezing roller structure. BACKGROUND

[0002] The main function of the paper machine press section is dewatering, solidifying paper, improving paper performance, increasing wet paper strength to improve drying capacity of the drying section, outstanding compression resistance of the squeezing roller, wide hardness range, high elasticity under high hardness, high surface finish, superior machining performance, ensuring effective dewatering of the paper press section, with the rapid development of modern industry, the demand of people to the squeezing roller two big, and the use requirement of the squeezing roller is also higher and higher.

[0003] In the prior art, the application number 202022069125.3 discloses a kind of polyurethane squeezing roller for paper machine, including roller body and outer box, the left and right sides of the roller body are all installed with flange plate, and roller body is screw connection between flange plate, the right side of the flange plate is installed with rotating rod, and flange plate is fixed connection between rotating rod, the right side of the rotating rod is provided with lug, and rotating rod is welded connection between lug, the inside of the lug is provided with screw hole, and lug is embedded structure between screw hole, the inside of the screw hole is provided with through hole, and screw hole is cladding structure between through hole, the outer box is set in the lower of rotating rod;The installation and fixation of the roller body of the above device and extrusion interval need to be manually adjusted by staff, and the strength of the roller body installed by flange plate is insufficient, the process of adjusting the interval between upper press roller and lower press roller or the deviation in the process of pressing is greatly reduced.

[0004] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENT

[0005] For the problems in the related art, the utility model provides a kind of papermaking squeezing roller structure to overcome the above technical problems existing in prior art.

[0006] Therefore, the specific technical scheme adopted by the utility model is as follows:

[0007] A kind of papermaking squeezing roller structure, including upper stone roller, lower rubber roller, the lower rubber roller is set in the lower of upper stone roller, the upper stone roller and lower rubber roller two ends are respectively installed with drive frame, the inside upper of drive frame is equipped with movable seat, the inner wall bottom side of drive frame is equipped with fixed seat, the upper stone roller, lower rubber roller two ends are respectively connected with positioning pipe, the positioning pipe is respectively fixed seat, movable seat outside through bearing and penetrates.

[0008] As preferred, the driving frame comprises a groove plate, a synchronous motor, the top rear side of the groove plate is fixedly connected with the synchronous motor, a connecting groove is arranged on the inner wall rear side of the groove plate, and the fixed seat is fixedly connected with the inner wall bottom side of the groove plate.

[0009] As preferred, the inner wall bottom side of the connecting groove is connected with a lead screw through a bearing, the output shaft of the synchronous motor is fixedly connected with the top end of the lead screw, a guide rod is arranged on one side of the lead screw, and a lifting block is arranged on the outer side of the lead screw and the guide rod.

[0010] As preferred, a lead screw nut is arranged in the lifting block through a bearing, the lifting block is matched and threadedly connected with the lead screw through the lead screw nut, and the front side of the lifting block is fixedly connected with the rear side of the movable seat.

[0011] As preferred, the positioning pipe comprises a first sleeve and a second sleeve, the first sleeve is arranged above the second sleeve, the first sleeve is connected with the roll shafts at both ends of the upper stone roll through sleeve connection, and the second sleeve is connected with the roll shafts at both ends of the lower rubber roll through sleeve connection.

[0012] As preferred, a guide disc is arranged on the outer wall of the inner end of the first sleeve, an annular groove is arranged on the outer wall of the second sleeve, and the first sleeve is movably embedded with the annular groove on the outer wall of the second sleeve through the guide disc.

[0013] As preferred, mounting discs are arranged on the outer walls of the roll shafts at both ends of the upper stone roll and the lower rubber roll, reinforcing rings are fixedly connected to the outer sides of the mounting discs, and positioning screw holes are arranged on the mounting discs above the upper stone roll and the lower rubber roll at equal distances.

[0014] As preferred, fixing bolts are arranged on the mounting discs through the positioning screw holes, the fixing bolts pass through the mounting discs and are matched and threadedly connected with the positioning screw holes on the end faces of the upper stone roll and the lower rubber roll, and the outer sides of the reinforcing rings are fixedly connected with the inner ends of the first sleeve and the second sleeve.

[0015] The upper stone roll and the lower rubber roll can be adjusted in distance, the upper stone roll can continuously extrude the material in a decreasing manner, the height of the upper stone roll does not need to be adjusted by the staff, the guide disc on the outer wall of the first sleeve is guided and limited in the annular groove on the outer wall of the second sleeve, the deviation during the distance adjustment or the pressing process is effectively avoided, and the practicability is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Figure 1 is a total structure schematic diagram of a papermaking press roll structure according to an embodiment of the present application;

[0018] Figure 2 is a driving frame appearance structure split schematic diagram of a papermaking press roll structure according to an embodiment of the present application;

[0019] Figure 3 is a positioning pipe appearance structure schematic diagram of a papermaking press roll structure according to an embodiment of the present application;

[0020] Figure 4 is a mounting disc split structure schematic diagram of a papermaking press roll structure according to an embodiment of the present application.

[0021] In the drawings:

[0022] 1, upper stone roll; 2, lower rubber roll; 3, driving frame; 4, movable seat; 5, fixed seat; 6, positioning pipe; 7, groove plate; 8, synchronous motor; 9, connecting groove; 10, lead screw; 11, guide rod; 12, lifting block; 13, first sleeve; 14, second sleeve; 15, guide disc; 16, annular groove; 17, mounting disc; 18, reinforcing ring; 19, positioning screw hole; 20, fixed bolt. DETAILED DESCRIPTION

[0023] To further illustrate the embodiments, the present application provides drawings, which are part of the disclosure of the present application, mainly used to illustrate the embodiments, and can be used to explain the operating principle of the embodiments in conjunction with the related description of the specification. With reference to these contents, those skilled in the art should understand other possible embodiments and advantages of the present application. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] According to the embodiment of the present application, a papermaking press roll structure is provided.

[0025] Embodiment one

[0026] As Figures 1-4As shown, according to the papermaking press roll structure of the utility model embodiment, including upper stone roll 1, lower rubber roll 2, lower rubber roll 2 is set in upper stone roll 1 below, upper stone roll 1 and lower rubber roll 2 two ends are equipped with drive frame 3 respectively, the inside upper side of drive frame 3 is equipped with movable seat 4, the bottom side of drive frame 3 inner wall is equipped with fixed seat 5, upper stone roll 1, lower rubber roll 2 two ends are respectively equipped with the positioning pipe 6 of connecting, positioning pipe 6 is respectively through bearing and penetrates fixed seat 5, movable seat 4 outside, drive frame 3 includes recessed plate 7, synchronous motor 8, recessed plate 7 top rear side is fixedly connected with synchronous motor 8, recessed plate 7 inner wall rear side is excavated and is equipped with connecting recess 9, fixed seat 5 and recessed plate 7 inner wall bottom side are fixedly connected, connecting recess 9 inner wall bottom side is connected with lead screw 10 through bearing, the output shaft of synchronous motor 8 is fixedly connected with the top end of lead screw 10, lead screw 10 one side is equipped with guide rod 11, lead screw 10 and guide rod 11 outside are equipped with lifting block 12, the inside of lifting block 12 is through bearing and is equipped with lead screw nut, and lifting block 12 is matched with lead screw nut and lead screw 10 screw thread connection, lifting block 12 front side and movable seat 4 rear side are fixedly connected, simultaneously starting the synchronous motor 8 of drive frame 3 top, the output shaft of synchronous motor 8 drives lead screw 10 to rotate, under the action of guide rod 11 to lifting block 12 guide, limit and the inside lead screw nut of lifting block 12, can make lifting block 12 drive upper stone roll 1 to descend, rise, make the interval of upper stone roll 1 and lower rubber roll 2 is adjusted, and can make upper stone roll 1 in the mode of decreasing to the material for sustained extrusion press, need not staff to adjust the height of upper stone roll 1.

[0027] Example two

[0028] As Figures 1-4As shown, a paper press roll structure according to an embodiment of the present invention includes an upper stone roller 1 and a lower glue roller 2. The lower glue roller 2 is disposed below the upper stone roller 1. Drive frames 3 are respectively installed at both ends of the upper stone roller 1 and the lower glue roller 2. A movable seat 4 is provided on the upper part of the drive frame 3, and a fixed seat 5 is provided on the bottom side of the inner wall of the drive frame 3. Positioning tubes 6 are respectively sleeved and connected to both ends of the upper stone roller 1 and the lower glue roller 2. The positioning tubes 6 pass through the outer side of the fixed seat 5 and the movable seat 4 through bearings. The positioning tubes 6 include a first sleeve 13 and a second sleeve 14. The first sleeve 13 is located above the second sleeve 14. The first sleeve 13 is sleeved and connected to the roller shafts at both ends of the upper stone roller 1, and the second sleeve 14 is sleeved and connected to the roller shafts at both ends of the lower glue roller 2. The inner end of the first sleeve 13 is sleeved and connected to the outer side of the lower glue roller 2. A guide plate 15 is fitted on the wall, and an annular groove 16 is carved on the outer wall of the second sleeve 14. The first sleeve 13 is movably fitted with the annular groove 16 on the outer wall of the second sleeve 14 through the guide plate 15. The roller shafts at both ends of the upper stone roller 1 and the lower rubber roller 2 are respectively fitted and fixedly connected to the first sleeve 13 and the second sleeve 14. The first sleeve 13 and the second sleeve 14 are respectively connected to the movable seat 4 and the fixed seat 5 through bearings. During the operation of the upper stone roller 1 and the lower rubber roller 2, the guide plate 15 on the outer wall of the first sleeve 13 guides and limits the movement in the annular groove 16 on the outer wall of the second sleeve 14, effectively preventing deviation during the spacing adjustment or pressing process, and greatly improving practicality.

[0029] Example 3

[0030] like Figures 1-4 As shown, a paper press roller structure according to an embodiment of the present invention includes an upper stone roller 1 and a lower glue roller 2. The lower glue roller 2 is disposed below the upper stone roller 1. Drive frames 3 are respectively installed at both ends of the upper stone roller 1 and the lower glue roller 2. A movable seat 4 is provided at the upper inside of the drive frame 3, and a fixed seat 5 is provided on the bottom side of the inner wall of the drive frame 3. Positioning tubes 6 are respectively sleeved and connected to both ends of the upper stone roller 1 and the lower glue roller 2. The positioning tubes 6 pass through the outer side of the fixed seat 5 and the movable seat 4 through bearings. Mounting discs 17 are sleeved on the outer wall of the roller shafts at both ends of the upper stone roller 1 and the lower glue roller 2. Reinforcing rings 18 are fixedly connected to the outer side of the mounting discs 17. The two end faces of the upper stone roller 1 and the lower glue roller 2 are connected to the mounting discs 17. The mounting plate 17 is provided with equidistant positioning screw holes 19. The mounting plate 17 is provided with fixing bolts 20 through the positioning screw holes 19. The fixing bolts 20 pass through the mounting plate 17 and are threadedly connected to the positioning screw holes 19 on both ends of the upper stone roller 1 and the lower rubber roller 2. The outer side of the reinforcing ring 18 is fixedly connected to the inner end of the first sleeve 13 and the second sleeve 14. The first sleeve 13 and the second sleeve 14 are attached to the two ends of the upper stone roller 1 and the lower rubber roller 2 through the mounting plate 17 and are fixedly connected by fixing bolts 20. Under the action of the reinforcing ring 18, the stability of the connection between the upper stone roller 1 and the lower rubber roller 2 can be improved, and the strength of the connection position can be greatly improved.

[0031] In summary, by means of the above technical scheme of the utility model, when the device is used, the synchronous motor 8 at the top of the driving frame 3 is started at the same time, the output shaft of the synchronous motor 8 drives the screw rod 10 to rotate, under the action of the guide rod 11 guiding and limiting the lifting block 12 and the screw rod nut inside the lifting block 12, the lifting block 12 can drive the upper stone roller 1 to descend and ascend, the distance between the upper stone roller 1 and the lower rubber roller 2 is adjusted, the roller shafts at the two ends of the upper stone roller 1 and the lower rubber roller 2 are fixedly connected with the first sleeve pipe 13 and the second sleeve pipe 14 respectively, the first sleeve pipe 13 and the second sleeve pipe 14 are connected with the movable seat 4 and the fixed seat 5 through bearings respectively, in the working process of the upper stone roller 1 and the lower rubber roller 2, the guide disc 15 on the outer wall of the first sleeve pipe 13 is guided and limited in the annular groove 16 on the outer wall of the second sleeve pipe 14, the roller shafts at the two ends of the upper stone roller 1 and the lower rubber roller 2 are fixedly connected with the first sleeve pipe 13 and the second sleeve pipe 14 respectively, and the first sleeve pipe 13 and the second sleeve pipe 14 are connected with the movable seat 4 and the fixed seat 5 through bearings respectively, in the working process of the upper stone roller 1 and the lower rubber roller 2, the guide disc 15 on the outer wall of the first sleeve pipe 13 is guided and limited in the annular groove 16 on the outer wall of the second sleeve pipe 14.

[0032] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A papermaking press roll structure comprising an upper stone roll (1), a lower rubber roll (2), characterized in that, The lower rubber roller (2) is arranged below the upper stone roller (1), the upper stone roller (1) and the lower rubber roller (2) are respectively provided with a driving frame (3) at two ends, the driving frame (3) is provided with a movable seat (4) at the top inside, the driving frame (3) is provided with a fixed seat (5) at the bottom of the inner wall, the upper stone roller (1) and the lower rubber roller (2) are respectively provided with a positioning pipe (6) connected at two ends, and the positioning pipe (6) penetrates the outer side of the fixed seat (5) and the movable seat (4) through a bearing.

2. A papermaking press roll structure according to claim 1, wherein The driving frame (3) comprises a groove plate (7) and a synchronous motor (8), the groove plate (7) is fixedly connected with the synchronous motor (8) at the top rear side, a connecting groove (9) is formed in the rear side of the inner wall of the groove plate (7), and the fixed seat (5) is fixedly connected with the bottom side of the inner wall of the groove plate (7).

3. A papermaking press roll structure according to claim 2, wherein The bottom side of the inner wall of the connecting groove (9) is connected with a lead screw (10) through a bearing, the output shaft of the synchronous motor (8) is fixedly connected with the top end of the lead screw (10), the lead screw (10) is provided with a guide rod (11) on one side, and the lead screw (10) and the guide rod (11) are provided with a lifting block (12) on the outer side.

4. A papermaking press roll structure according to claim 3, wherein The lifting block (12) is provided with a lead screw nut penetrating through the inside through a bearing, the lifting block (12) is matched and screw-connected with the lead screw (10) through the lead screw nut, and the front side of the lifting block (12) is fixedly connected with the rear side of the movable seat (4).

5. A papermaking press roll structure according to claim 4 wherein, The positioning pipe (6) comprises a first sleeve (13) and a second sleeve (14), the first sleeve (13) is located above the second sleeve (14), the first sleeve (13) is connected with the roller shaft at two ends of the upper stone roller (1), and the second sleeve (14) is connected with the roller shaft at two ends of the lower rubber roller (2).

6. A papermaking press roll structure according to claim 5 wherein, A guide disc (15) is sleeved on the outer wall of the inner end of the first sleeve (13), an annular groove (16) is formed in the outer wall of the second sleeve (14), and the first sleeve (13) is movably embedded with the annular groove (16) on the outer wall of the second sleeve (14) through the guide disc (15).

7. A papermaking press roll structure according to claim 6 wherein, Mounting discs (17) are sleeved on the outer walls of the roller shafts at two ends of the upper stone roller (1) and the lower rubber roller (2), the mounting discs (17) are fixedly connected with reinforcing rings (18) on the outer sides, and positioning screw holes (19) are formed in the upper stone roller (1), the lower rubber roller (2) and the mounting discs (17) at equal distances.

8. A papermaking press roll structure according to claim 7 wherein, Fixing bolts (20) are penetratingly arranged on the mounting discs (17) through the positioning screw holes (19), the fixing bolts (20) penetrate the mounting discs (17) and are matched and screw-connected with the positioning screw holes (19) on the end faces of the upper stone roller (1) and the lower rubber roller (2), and the reinforcing rings (18) are fixedly connected with the first sleeve (13) and the second sleeve (14) at the inner ends.

Citation Information

Patent Citations

  • Polyurethane press roll for paper machine

    CN213389506U