Papermaking calender press roll with adjustable spacing

By introducing an adjustable-gap pressure roller structure into the paper calender, the problem of inaccurate pressure roller spacing adjustment is solved, and the stability and safety of the equipment are improved.

CN223660504UActive Publication Date: 2025-12-12ZAOZHUANG HANSEN PAPERMAKING CNC EQUIP CO LTD +1
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Patent Information

Application Number
CN202423150443.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-12
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

The inaccurate adjustment of the pressure roller spacing in existing paper calenders leads to poor equipment stability and poses safety hazards.

Method used

The paper calender employs an adjustable-gap pressure roller structure, including a frame, pressure rollers, connecting plates, stabilizing plates, optical shafts, lifting structures, and rotating rods. The pressure roller spacing is adjusted via the lifting structure, and the equipment stability is maintained by the optical shafts and stabilizing plates to prevent deviation and shaking.

Benefits of technology

It enables precise adjustment of the pressure roller spacing, improves equipment stability, and avoids safety hazards such as personnel injury.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a papermaking calender press roll with an adjustable spacing, which comprises two racks, press rolls, a connecting plate, a stabilizing plate, an optical axis, a lifting structure and a rotating rod, the two racks are arranged at an interval, the two press rolls are arranged between the two racks at an interval, and the two press rolls are arranged in the vertical direction; the middles of the connecting plates are movably connected to the two sides of an upper pressing roller, threaded holes are formed in one sides of the two connecting plates, unthreaded holes are formed in the other sides of the two connecting plates, lifting parts are connected into the threaded holes in a threaded mode, unthreaded shafts are movably connected into the unthreaded holes in a sleeved mode, and the lifting parts and the unthreaded shafts are arranged at intervals in the vertical direction. The connecting plate is fixedly connected to the rack through the stabilizing piece so that the connecting plate can be adjusted to ascend and descend along with the lifting piece, and stability is kept through the optical axis. The lifting structure of the device can be combined with the connecting plate to adjust the distance between the upper and lower compression rollers; the optical axis can ensure that the equipment does not deviate and shake during adjustment, and the connecting plate does not deviate from the center; and the rotating rod prevents hands from being rolled between the upper and lower compression rollers.
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Description

TECHNICAL FIELD

[0001] The utility model relates to papermaking technical field, concretely is a kind of papermaking calendering machine compression roller of adjustable spacing. BACKGROUND

[0002] In the papermaking industry, calendering machine is the key equipment for improving the smoothness and gloss of paper or paperboard, and controlling its thickness to some extent. In order to achieve these goals, the calendering machine is usually equipped with multiple compression rollers, which need to maintain precise spacing between them to ensure that the paper can pass through uniformly and obtain ideal surface properties. However, in actual operation, due to the influence of different types of paper, changes in humidity and other factors, the fixed and unchanging compression roller spacing may not meet all production needs.

[0003] After searching, according to the utility model patent with Chinese patent publication number CN 204238068 U discloses a kind of adjustable pressure type papermaking calendering machine, its characterized in that: including bottom roller, lifting device, intermediate roller, paper roller, top roller, pressure adjusting device, paper circle, paper winding cylinder and paper roll, the intermediate roller and the paper roller are multiple, multiple intermediate roller and the paper roller are staggered and arranged vertically, the bottom roller is set in the paper roller below the bottom, the top roller is set on the paper roller on top, the lifting device is set between the bottom roller and the top roller, the pressure adjusting device is set on the top roller, the paper circle is set on the rack, the paper winding cylinder and the paper roll are located in the rack below one side. The precision of the spacing adjusted by this structure cannot be determined, and personnel safety cannot be ensured, so this adjustable pressure type papermaking calendering machine needs to be further improved, so a kind of papermaking calendering machine compression roller of adjustable spacing is proposed. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of papermaking calendering machine compression roller of adjustable spacing, with the advantages of adjusting spacing, improving the stability of the whole equipment, not deviating from the center, avoiding personnel injury, etc., solving the problem of calendering machine spacing adjustment.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of papermaking calendering machine compression roller of adjustable spacing, including rack, compression roller, connecting plate, stabilizing plate, optical axis, lifting structure and rotating rod, the rack is spaced apart with two, and two compression rollers are provided with interval between two racks, two the compression roller is arranged in the upper and lower directions;

[0006] The middle of the connecting plate is movably connected on both sides of the upper compression roller, one side of each of the two connecting plates is provided with a threaded hole, and the other side is provided with a light hole, a lifting piece is threadedly connected in the threaded hole, and a light shaft is movably sleeved in the light hole, the lifting piece is vertically spaced from the light shaft, and is fixedly connected to the rack through a stabilizing piece, so that the connecting plate is adjusted up and down with the lifting piece, and stability is maintained through the light shaft.

[0007] Further, the lower part of each of the two racks is provided with a through hole, the lower compression roller is movably sleeved in the through hole through a fixed shaft, and the upper compression roller is movably sleeved in the middle of the connecting plate through a fixed shaft.

[0008] Further, the horizontal direction of the middle of each of the two connecting plates is provided with a connecting hole, and a sliding bearing outer diameter is sleeved in the connecting hole.

[0009] Further, the fixed shaft in the upper compression roller is sleeved in the inner diameter of the sliding bearing.

[0010] Further, the stabilizing piece is a stabilizing plate, the stabilizing plate is fixedly connected to the upper and lower parts of the two racks respectively, the stabilizing plate is correspondingly arranged, the upper and lower parts of the light shaft are fixedly connected to one side of the stabilizing plate, and one side of the tooth shaft is fixedly connected to the handle.

[0011] Further, the lifting piece is a lifting structure, the lead screw in the lifting structure is movably connected to the other side of the stabilizing plate through a bearing, the two lead screws are meshed with the tooth shaft through a gear, the lead screw and the tooth shaft are provided with a protective cover, and the protective cover is fixedly connected to the rack.

[0012] A rotating rod is fixedly connected between the two tooth shafts and located on the side surface opposite to the two compression rollers.

[0013] Compared with the prior art, the technical scheme of the application has the following beneficial effects:

[0014] In the utility model, the lifting structure can adjust the distance between the upper and lower compression rollers in combination with the connecting plate; the light shaft can ensure that the equipment does not deviate and shake during adjustment, and the connecting plate does not deviate from the center; and the rotating rod can avoid the hand from being rolled into the upper and lower compression rollers. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the front structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the local cross-sectional structure of the utility model;

[0018] Figure 4 The utility model discloses Figure 3 The structural diagram of A is shown in the figure.

[0019] Figure 5 The utility model discloses

[0020] In the figure: 1, frame; 10, through hole; 2, compression roller; 20, fixed shaft; 3, connecting plate; 30, screw hole; 31, light hole; 32, connecting hole; 33, sliding bearing; 4, stabilizing plate; 5, light shaft; 6, lifting structure; 60, lead screw; 61, pinion shaft; 62, protective cover; 7, rotary lever; 8, rocking handle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model discloses

[0023] The middle of connecting plate 3 is movably connected to the two sides of the upper compression roller 2, one side of two connecting plates 3 is provided with screw hole 30, and the other side is provided with light hole 31, the lifting piece is threadedly connected in screw hole 30, and light shaft 5 is movably sleeved in light hole 31, the lifting piece and light shaft 5 are vertically spaced apart, and are fixedly connected to frame 1 through the stabilizing piece, so that connecting plate 3 is adjusted and lifted with the lifting piece, and stability is maintained through light shaft 5.

[0024] Frame 1 movably connects upper and lower compression rollers 2, and the lower compression roller 2 is connected to the conveying shaft of the motor, so that the compression roller 2 rotates with the rotation of the motor, the upper compression roller 2 is movably sleeved on fixed shaft 20, when the paper to be pressed is arranged on the upper and lower compression rollers 2, the upper compression roller 2 rotates with the rotation of the lower compression roller 2, and the upper and lower compression rollers 2 are arranged, so that the paper can smoothly pass between them. The lower part of two frames 1 is provided with through hole 10, the lower compression roller 2 is movably sleeved in through hole 10 through fixed shaft 20, and bearing is arranged in through hole 10, so that the sliding property during rotation can be ensured when the motor is fixedly connected to fixed shaft 20.

[0025] The horizontal direction between the two connecting plates 3 is provided with a connecting hole 32, the connecting hole 32 is sleeved with the outer diameter of the sliding bearing 33, the connecting hole 32 is movably sleeved in the connecting hole 32 through the sliding bearing 33, so that the upper compression roller 2 can rotate with the lower compression roller 2, and the sliding property of the upper compression roller 2 is avoided. One side of the two connecting plates 3 is provided with a threaded hole 30, and the other side is provided with a light hole 31. The threaded hole 30 rises and falls with the rotation of the lifting piece, and the lifting piece is a lifting structure 6. The light hole 31 is sleeved with the light shaft 5, so as to ensure the movement freedom of the connecting plate 3 in the vertical direction. When the lifting structure 6 acts, it can drive the connecting plate 3 and the upper compression roller 2 to slide up and down along the light shaft 5, so as to change the distance between the two compression rollers 2.

[0026] The stabilizing piece is a stabilizing plate 4, which is fixedly connected above and below the two racks 1 respectively. The stabilizing plate 4 is correspondingly arranged, the light shaft 5 is fixedly connected to one side of the stabilizing plate 4, and the lead screw 60 in the lifting structure 6 is movably connected to the other side of the stabilizing plate 4 through a bearing. The stabilizing plate 4 supports the light shaft 5 and the lifting structure 6, and the light shaft 5 can prevent unnecessary deviation and shaking during work, and maintain the balance of the whole equipment.

[0027] The lead screw 60 in the lifting structure 6 is movably connected to the other side of the stabilizing plate 4 through a bearing respectively, the two lead screws 60 are engaged with the gear shafts 61 through gears respectively, the lead screw 60 and the gear shaft 61 are provided with a protective cover 62, and the protective cover 62 is fixedly connected to the rack 1. The two gear shafts 61 are fixedly connected with a rotating rod 7, and located on the side surface opposite to the two compression rollers 2. The rotating rod 7 can prevent hands from being rolled into the rotating upper and lower compression rollers 2, causing injury to employees. The handle 8 is fixedly connected to one side of one of the gear shafts 61. When the whole equipment is installed, the distance between the upper and lower compression rollers 2 can be adjusted through the handle 8.

[0028] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable distance calender roller for papermaking, comprising a frame (1), a roller (2), a connecting plate (3), a stabilizing plate (4), a light axis (5), a lifting structure (6) and a rotating rod (7), characterized in that: Two racks (1) are spaced apart, and two spaced-apart compression rollers (2) are arranged between the two racks (1), and the two compression rollers (2) are arranged in an up-down direction. The middle of the connecting plate (3) is movably connected on both sides of the upper compression roller (2), one side of the two connecting plates (3) is provided with a threaded hole (30), and the other side is provided with a light hole (31), a lifting member is threadedly connected in the threaded hole (30), and a light shaft (5) is movably sleeved in the light hole (31), the lifting member and the light shaft (5) are vertically spaced apart and fixedly connected to the rack (1) through a stabilizing member, so that the connecting plate (3) is adjusted up and down with the lifting member, and the stability is maintained through the light shaft (5).

2. A paper calendering machine roll with adjustable spacing according to claim 1, characterized in that: The lower part of the two racks (1) is provided with a through hole (10), and the lower compression roller (2) is movably sleeved in the through hole (10) through a fixed shaft (20). The upper compression roller (2) is movably sleeved in the middle of the connecting plate (3) through a fixed shaft (20).

3. A paper calendering machine roll with adjustable spacing according to claim 1, characterized in that: The horizontal direction of the middle of the two connecting plates (3) is provided with a connecting hole (32), and the outer diameter of the sliding bearing (33) is sleeved in the connecting hole (32).

4. A machine calender roll with adjustable distance according to claim 2 or 3, characterized in that: The fixed shaft (20) in the upper compression roller (2) is sleeved in the inner diameter of the sliding bearing (33).

5. The adjustable spacing calender roll for a papermaking machine of claim 1 wherein: The stabilizing member is a stabilizing plate (4), which is fixedly connected to the upper and lower parts of the two racks (1), respectively, and the stabilizing plate (4) is correspondingly arranged, and the upper and lower parts of the light shaft (5) are fixedly connected to one side of the stabilizing plate (4).

6. An adjustable gap press roll for a papermaking calender according to claim 1, characterized in that: The lifting member is a lifting structure (6), and the screw rod (60) in the lifting structure (6) is movably connected to the other side of the stabilizing plate (4) through a bearing, respectively, the two screw rods (60) are engaged with the gear shaft (61) through a gear, respectively, the screw rod (60) and the gear shaft (61) are provided with a protective cover (62), and the protective cover (62) is fixedly connected to the rack (1), one side of one of the gear shafts (61) is fixedly connected with a handle (8).

7. A machine calender roll with adjustable spacing according to claim 6, characterized in that: The two gear shafts (61) are fixedly connected with a rotating rod (7), and are located on the opposite sides of the two compression rollers (2).

Citation Information

Patent Citations

  • Adjustable-pressure type calender used for paper making

    CN204238068U