Synchronous tensioning adjusting device for two sides of dry net of paper machine

Through the double-sided synchronous tensioning adjustment device, the drive motor and the screw rod system are used to achieve double-sided synchronous tensioning of the dryer fabric, which solves the problems of uneven tension and insufficient stability in the existing technology and ensures uniform tension and stable fixation of the dryer fabric during operation.

CN223468613UActive Publication Date: 2025-10-24ZHEJIANG FIVE STAR PAPER
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Patent Information

Application Number
CN202422545530.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-10-24
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

The existing paper machine dryer fabric synchronous tensioning device causes uneven tension at both ends of the dryer fabric during tension adjustment, which is prone to local relaxation or over-tightening, and the reduced spring force affects stability.

Method used

A double-sided synchronous tensioning adjustment device is used. The driving motor drives the left and right screw rods to synchronously adjust the columns, realizing synchronous clamping and tensioning at both ends of the dryer fabric. Combined with the use of clamping frames and clamping bolts, the tension uniformity and fixed stability of the dryer fabric during operation are ensured.

Benefits of technology

The tension of the dryer fabric is uniform during operation, local relaxation or over-tightening is avoided, and the fixing stability and service life of the dryer fabric are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a paper machine dry net double-side synchronous tensioning adjusting device which comprises an installation base, an installation groove is formed in the top of the installation base, a synchronous adjusting component is installed in the installation groove, and the synchronous adjusting component is connected with two stand columns. A clamping part for clamping and fixing the end part of the dry net for the paper machine is mounted at the top of the stand column; wherein the clamping component clamps the two sides of the dry net at the same time, and the synchronous adjusting component can drive the two sides of the dry net to synchronously move oppositely and oppositely. According to the utility model, the synchronous adjusting part is used for synchronously tensioning and adjusting the two sides of the dry net, so that the dry net keeps uniform tension in the operation process, the situation of local looseness or over-tightness is avoided, and the dry net is conveniently disassembled, assembled and fixed through the clamping part, so that the stability of fixing the dry net is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to paper machine dry net technical field, concretely relates to a kind of paper machine dry net double-side synchronous tensioning adjusting device. BACKGROUND

[0002] Paper machine dry net is important component in papermaking process, paper machine dry net needs to bear larger tension and friction force in running process, so it must have high strength and wear resistance. Synthetic fiber materials such as polyester, nylon, etc. are usually used, which have high strength and wear resistance and can meet the use requirements of paper machine.

[0003] The patent with Chinese patent publication number CN216474248U discloses a paper machine dry net synchronous tensioning device, which comprises a base, a frame, an adjusting mechanism, two clamping mechanisms and a dry net body. The frame and the adjusting mechanism are respectively installed on the top of the base on both sides, the two clamping mechanisms are respectively installed on the top of the frame and the adjusting mechanism, and the dry net body is arranged between the two clamping mechanisms.

[0004] The above-mentioned patent can solve the corresponding technical problems, and facilitate the tension adjustment of the dry net of the paper machine and the maintenance or replacement of the dry net. However, the above-mentioned paper machine dry net synchronous tensioning device still has disadvantages in use: the device drives a single clamping mechanism to displace to adjust the tension of the dry net, which is a unilateral stretching adjustment of the dry net. This will cause the dry net to be stretched from one end during tension adjustment, resulting in uneven tension at both ends of the adjusted dry net, and local relaxation or over-tightening. In addition, the spring in the above-mentioned device is used to compress the dry net, but the spring will be fatigued after long-term use, the spring force will decrease, and the stability of the dry net compression will be reduced. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of paper machine dry net double-side synchronous tensioning adjusting device, to solve the technical defects that the device in tension adjustment process is stretched from one end, resulting in uneven tension at both ends of the adjusted dry net, and local relaxation or over-tightening, and the spring force decreases to reduce stability.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of paper machine dry net double-side synchronous tensioning adjusting device, comprising a mounting seat, a mounting groove is formed in the top of the mounting seat, a synchronous adjusting component is installed inside the mounting groove, the synchronous adjusting component is connected with two columns, a clamping component for clamping and fixing the end of the dry net for paper machine is installed on the top of the column;Wherein, the clamping component can clamp the double sides of the dry net at the same time, and the synchronous adjusting component can drive the double sides of the dry net to move synchronously and oppositely.

[0007] As a further scheme of the utility model, the synchronous adjusting component comprises first bearings fixedly installed at both ends of the inner wall of the installation groove, a left-right rotating screw rod fixedly connected between the inner rings of the two first bearings, a driving motor fixedly installed at one end of the mounting base, an output shaft of the driving motor fixedly connected with one end of the left-right rotating screw rod, and a screw sleeve threadedly connected with the left-right rotating screw end of the left-right rotating screw rod.

[0008] As a further scheme of the utility model, the clamping component comprises two clamping frames, the two clamping frames are fixedly installed at the top of the two columns respectively, the frame openings of the two clamping frames are oppositely arranged, a compression bolt is threadedly installed at the top of the clamping frame, one end of the compression bolt extends into the clamping frame and is rotatably connected with a pressing plate through a third bearing, and the dry net is clamped between the two clamping frames.

[0009] As a preferred scheme of the utility model, a rubber pad is fixedly installed at the bottom of the pressing plate.

[0010] As a preferred scheme of the utility model, a positioning column is fixedly installed at the inner bottom of the clamping frame, the mesh of the dry net is sleeved on the positioning column, and a through hole is aligned and formed in the pressing plate and the rubber pad, and the positioning column can pass through the through hole.

[0011] As a preferred scheme of the utility model, a sliding groove is formed in the inner side of the clamping frame, a sliding block is slidably installed in the sliding groove, and one end of the sliding block is fixedly connected with one end of the pressing plate.

[0012] As a further preferred scheme of the utility model, a fixed plate is fixedly installed at the top of the mounting base, guide columns are fixedly installed at the two sides of the fixed plate respectively, a second bearing is fixedly installed at the waist of the column, and the guide column is movably installed in the inner ring of the second bearing.

[0013] Compared with the prior art, the utility model discloses a kind of paper machine dry net double-side synchronous tensioning adjusting devices, which has the following beneficial effects:

[0014] 1, the utility model drives left-right rotating screw rod to rotate by starting driving motor, and the two screw sleeves on the left-right rotating screw end are driven to move synchronously in straight line by left-right rotating screw rod, then two columns are driven to move synchronously, and the clamping frame is driven to move synchronously by two columns, so that the dry net is clamped on the inner bottom of the left and right two clamping frames, and the mesh of the dry net is preliminarily limited by the positioning column passing through the mesh of the dry net, and finally the end of the dry net is compressed by rotating the compression bolt and driving the pressing plate, so that the dry net is conveniently disassembled and fixed, and the stability of the dry net is ensured.

[0015] 2, the utility model discloses a kind of paper machine dry net double-side synchronous tensioning adjusting devices, which has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Fig. 1 The structural schematic diagram of the present application is shown in the figure.

[0018] Fig. 2 The sectional structural schematic diagram of the mounting seat in the embodiment of the present application is shown in the figure.

[0019] Fig. 3 The structural schematic diagram of the clamping part in the embodiment of the present application is shown in the figure.

[0020] Reference signs:

[0021] 1, mounting seat; 101, mounting groove; 102, first bearing; 2, left and right screw rods; 201, screw sleeve; 3, driving motor; 4, stand column; 401, second bearing; 5, clamping frame; 501, compression bolt; 502, third bearing; 503, pressing plate; 504, rubber pad; 505, positioning column; 506, through hole; 507, sliding groove; 508, sliding block; 6, dry net; 7, fixed plate; 701, guide column. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear and explicit, the embodiments of the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0023] In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0024] In the description of the embodiments of the utility model, it needs to explain, unless another explicit stipulation and limitation, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, integral connection, also can be detachable connection, can be two element inside the intercommunication, can be direct connection, also can pass through the intermediate medium indirectly connects, for the ordinary skill of the person of the art, can understand the concrete meaning of the above-mentioned term in the embodiment of the utility model according to the specific situation.

[0025] Referring to Figs. 1-3 As shown in the utility model embodiment, a kind of paper machine dry net double-side synchronous tensioning adjusting device, including mounting seat 1, mounting groove 101 is set in the top of mounting seat 1, synchronous adjusting component is installed in the inside of mounting groove 101, synchronous adjusting component is connected with two upright columns 4, the top of upright column 4 is equipped with the clamping component for the clamping fixed end of dry net 6 for paper machine;Wherein, clamping component can be simultaneously clamped to the both sides of dry net 6, and synchronous adjusting component can drive the both sides of dry net 6 to move synchronously relative, opposite.

[0026] Through synchronous adjusting component, the both sides of dry net 6 can be synchronously tensioned and adjusted, so that dry net 6 maintains uniform tension during operation, avoids the situation of local relaxation or over-tightening, and through clamping component, dry net 6 can be conveniently disassembled and fixed, so that the stability of dry net 6 is ensured.

[0027] Further, the synchronous adjusting component includes first bearings 102 fixedly installed on both ends of the inner wall of the mounting groove 101, a left-right screw rod 2 is fixedly connected between the inner rings of the two first bearings 102, a driving motor 3 is fixedly installed at one end of the mounting seat 1, the output shaft of the driving motor 3 is fixedly connected with one end of the left-right screw rod 2, screw sleeves 201 are respectively threadedly connected on the left-right screw ends of the left-right screw rod 2, the lower ends of the two upright columns 4 are respectively fixedly installed on the two screw sleeves 201, and the upper ends of the two upright columns 4 extend out of the slot of the mounting groove 101.

[0028] The driving motor 3 drives the left-right screw rod 2 to rotate, the left-right screw rod 2 drives the two screw sleeves 201 on the left-right screw ends to synchronously linearly displace, and further drives the two upright columns 4 to synchronously displace, the synchronous displacement of the two upright columns 4 drives the clamping component to synchronously tension and adjust the dry net 6, so that the dry net 6 maintains uniform tension during operation, avoids the situation of local relaxation or over-tightening.

[0029] Referring to Fig. 3As shown, the clamping component includes two clamping frames 5, which are respectively fixedly installed at the top of the two upright columns 4, and the frame openings of the two clamping frames 5 are oppositely arranged. The top of the clamping frame 5 is threadedly installed with a pressing bolt 501, one end of the pressing bolt 501 extends into the inside of the clamping frame 5 and is rotatably connected with a pressing plate 503 through a third bearing 502, and the dry net 6 is clamped between the two clamping frames 5.

[0030] By rotating the pressing bolt 501 to drive the pressing plate 503 to press the end of the dry net 6, the dry net 6 can be conveniently disassembled and fixed. In addition, the pressing bolt 501 is a handle bolt, which is convenient for personnel to operate and adjust. Moreover, the dry net 6 is fixed by limiting and pressing through the pressing bolt 501, thereby increasing the stability of the dry net 6.

[0031] The bottom of the pressing plate 503 is fixedly installed with a rubber pad 504, which can increase the friction of the pressing plate 503 to the dry net 6, thereby further improving the stability of the pressing of the dry net 6.

[0032] The inner bottom of the clamping frame 5 is fixedly installed with a positioning column 505, and the mesh of the dry net 6 is sleeved on the positioning column 505. The pressing plate 503 and the rubber pad 504 are both aligned with a through hole 506, and the positioning column 505 can pass through the inside of the through hole 506.

[0033] Through the above technical solution, the positioning column 505 can preliminarily limit and fix the installation of the dry net 6, which is convenient for the pressing plate 503 to press down. In addition, the positioning column 505 can position the pressure surface of the dry net 6. The through hole 506 provides a channel for the positioning column 505 to facilitate the pressing plate 503 to press down.

[0034] The inner side of the clamping frame 5 is provided with a sliding groove 507, and the sliding groove 507 is slidably installed with a sliding block 508. One end of the sliding block 508 is fixedly connected with one end of the pressing plate 503. Through the cooperation of the sliding groove 507 and the sliding block 508, the pressing plate 503 can be limited, thereby avoiding the deviation and rotation of the pressing plate 503 during the pressing process.

[0035] The top of the mounting seat 1 is fixedly installed with a fixed plate 7, and the two sides of the fixed plate 7 are respectively fixedly installed with a guide column 701. The waist of the upright column 4 is fixedly installed with a second bearing 401, and the guide column 701 is movably installed in the inner ring of the second bearing 401. Through the cooperation of the guide column 701 and the second bearing 401, the displacement of the upright column 4 can be further limited, thereby increasing the stability of the synchronous tension adjustment of the two sides of the dry net 6. The second bearing 401 is a linear bearing.

[0036] As known by those skilled in the art, the working principle and wiring method of the driving motor 3 are both conventional means or common knowledge, and those skilled in the art can arbitrarily select the type according to their needs or convenience.

[0037] The working principle of the embodiment of the utility model: when it is needed to install the dry net 6, the two ends of the dry net 6 are respectively attached to the inner bottom of the left and right two clamping frames 5, and the dry net 6 is preliminarily limited by the positioning column 505 passing through the mesh of the dry net 6, and finally the end part of the dry net 6 is pressed by rotating the pressing bolt 501 respectively to drive the pressing plate 503, that is, the installation of the dry net 6 is completed.

[0038] When it is needed to adjust the bilateral synchronous tension of the dry net 6, the left and right rotating lead screws 2 are driven to rotate by starting the driving motor 3, the two screw sleeves 201 on the left and right rotating lead screws 2 are driven to move synchronously in a straight line, and then the two upright columns 4 are driven to move synchronously, the clamping frames 5 are driven to adjust the bilateral synchronous tension of the dry net 6 by the synchronous movement of the two upright columns 4, so that the dry net 6 maintains uniform tension during operation, avoiding the situation of local relaxation or over-tightening.

[0039] The basic principle of the present application is shown and described above, and the above is only the preferred embodiment of the present application, and does not limit the present application, and the above embodiment and the description in the specification only illustrate the principle of the present application, and any modification, equivalent replacement and improvement within the scope of the present application should be included in the protection scope of the present application.

Claims

1. A dryer fabric dual side simultaneous tension adjustment device for a papermaking machine, characterized by: The utility model provides a paper machine dry net end clamping device, including the mounting seat (1), the top of mounting seat (1) is equipped with the installation slot (101), the inside installation of installation slot (101) is equipped with the synchronous adjusting part, the synchronous adjusting part is connected with two stand (4), the top of stand (4) is equipped with the clamping part for the dry net (6) end clamping fixed for paper machine, Wherein, the clamping part can clamp the both sides of the dry net (6) at the same time, and the synchronous adjusting part can drive the both sides of the dry net (6) to move synchronously.

2. A dryer fabric dual side synchronous tension adjustment device of a paper machine according to claim 1, characterized in that: The synchronous adjusting part includes the first bearing (102) fixedly installed on the both ends of the inner wall of the installation slot (101), the left and right screw rods (2) are fixedly connected between the inner rings of the two first bearings (102), one end of the driving motor (3) is fixedly installed on one end of the left and right screw rods (2), the left and right screw ends of the left and right screw rods (2) are respectively threadedly connected with the sleeves (201), the lower ends of the two stand (4) are respectively fixedly installed on the two sleeves (201), and the upper ends of the two stand (4) extend out of the slot of the installation slot (101).

3. A dryer fabric dual side synchronous tension adjustment device of a paper machine according to claim 2, characterized in that: The clamping part includes two clamping frames (5), the two clamping frames (5) are respectively fixedly installed on the top of the two stand (4), and the frame openings of the two clamping frames (5) are oppositely arranged, the top of the clamping frame (5) is threadedly connected with the pressing bolt (501), one end of the pressing bolt (501) extends into the clamping frame (5) and is rotatably connected with the pressing plate (503) through the third bearing (502), and the dry net (6) is clamped between the two clamping frames (5).

4. A dryer fabric dual side synchronous tension adjustment device of a paper machine according to claim 3, characterized in that: The bottom of the pressing plate (503) is fixedly installed with the rubber pad (504).

5. A dryer fabric dual side synchronous tension adjustment device of a paper machine according to claim 4, characterized in that: The inner bottom of the clamping frame (5) is fixedly installed with the positioning column (505), the mesh of the dry net (6) is sleeved on the positioning column (505), and the pressing plate (503) and the rubber pad (504) are aligned and provided with the through hole (506), and the positioning column (505) can pass through the through hole (506).

6. A dryer fabric dual side synchronous tension adjustment device of a paper machine according to claim 3, characterized in that: The inner side of the clamping frame (5) is provided with the sliding groove (507), and the sliding block (508) is slidably installed in the sliding groove (507).

7. A dryer fabric dual side synchronous tension adjusting device according to any one of claims 1-6, characterized in that: The top of the mounting seat (1) is fixedly installed with the fixed plate (7), the two sides of the fixed plate (7) are respectively fixedly installed with the guide column (701), the waist of the stand (4) is fixedly installed with the second bearing (401), and the guide column (701) is movably installed in the inner ring of the second bearing (401).

Citation Information

Patent Citations

  • Synchronous tensioning device for dry net of paper machine

    CN216474248U