Guiding assembly and paper machine comprising guiding assembly

Abstract

The utility model relates to a guide assembly and a paper machine comprising the same. The guide assembly is used for offsetting a mesh blanket of a roller of the paper machine, the guide assembly comprises a guide palm, the guide palm comprises a guide palm connecting rod patch assembly and a guide palm base, the guide palm base supports the guide palm connecting rod patch assembly, and the guide palm connecting rod patch assembly makes contact with the mesh blanket in the running direction perpendicular to the mesh blanket; the rack base is fixed to a frame of the paper machine; the sliding block is fixed to the bottom of the guide palm base; the sliding rail is fixed to the top of the rack base, the sliding block is matched with the sliding rail in shape, and the sliding direction of the sliding block is perpendicular to the running direction of the net blanket; and the locking assembly is used for selectively locking and releasing the sliding block relative to the sliding rail.

Description

Technical Field

[0001] The utility model relates to a guide assembly for achieving single-person offsetting of a papermaking machine's cloth during high-speed operation of the papermaking machine. The utility model also relates to a papermaking machine including the guide assembly. The utility model belongs to the field of papermaking machine design. Background Art

[0002] The side of the paper machine's roller end facing the drive mechanism and transmission system is called the transmission side, and the side of the paper machine's roller end facing the personnel operating position is called the operating side.

[0003] The forming wire and felts in the press section of a paper machine (collectively referred to as "clothings") support the paper, allowing it to be transported between and wound around the rollers. Due to wear and tear, these clothings must be replaced periodically or as needed. Newly replaced clothings can shrink laterally during high-speed operation.

[0004] Prior art uses a guide assembly to adjust the position of the clothing. The guide assembly is fixed to the machine side of the papermaking machine. Specifically, the guide assembly includes a guide palm, which rests against the clothing, and a fixed frame base, which is fixed to the stationary frame of the papermaking machine.

[0005] The guide pads always contact the edge of the fabric on the transport side. If this contact is lost due to fabric contraction, a signal is sent to the paper machine's guide rollers. These rollers then adjust the fabric toward the transport side until the guide pads contact the fabric. Thus, transverse contraction of the fabric always occurs from the transport side toward the transport side.

[0006] When the forming fabric shrinks to the point where it no longer covers the edge of the pulp and paper on the transfer side, or when the paper edge on the felt in the press section flutters (this condition is also called fabric deviation), the guide assembly needs to be adjusted. To adjust the guide assembly, first loosen the base of the guide palm and push it toward the transfer side. This signals the guide roller to begin adjusting the fabric, pushing it toward the transfer side. Then, move the guide palm against the fabric and lock the base. Generally, a new fabric shrinks significantly on the first day, but then stabilizes.

[0007] Adjusting the guide assembly during high-speed paper machine operation requires the coordinated efforts of at least three people. First, one person loosens the fasteners securing the guide palm base to the machine frame, while the other two maintain a firm grip on the palm base. This prevents the palm from becoming unstable and losing its position after the fasteners are removed, potentially causing the fabric to momentarily deviate and cause an accident. The palm is then moved to a position that will push the fabric back into its normal operating path. While still maintaining the palm in place, the fasteners securing the palm base to the machine frame are tightened again to secure it in place.

[0008] However, when three people stand together in a small space to make adjustments, they may easily touch the high-speed papermaking machine, which poses a safety risk.

[0009] Therefore, there is an urgent need to propose a guide assembly with a simple structure, easy to lock and unlock, capable of adjusting the position of the guide palm and with small space requirement, so that it is convenient for a single person to adjust it. Utility Model Content

[0010] In view of the above problems in the prior art, the inventors provide a guide assembly for offsetting the clothing of the roller of a papermaking machine, so as to enable a single person to adjust and lock the guide assembly.

[0011] In a first example of the guide assembly, the guide assembly includes: a guide palm, the guide palm includes a guide palm connecting rod patch assembly and a guide palm base, the guide palm base supports the guide palm connecting rod patch assembly, and the guide palm connecting rod patch assembly contacts the mesh in a direction perpendicular to the running direction of the mesh; a frame base, the frame base is fixed to the frame of the papermaking machine; a slider, the slider is fixed to the bottom of the guide palm base; a slide rail, the slide rail is fixed to the top of the frame base, the slider is matched with the slide rail shape, wherein the sliding direction of the slider is perpendicular to the running direction of the mesh; a locking assembly, the locking assembly optionally locks and releases the slider relative to the slide rail.

[0012] In the second example of the guide assembly, the first example is optionally included, and the guide assembly further includes: the slider is in a convex shape, including a slider boss portion located at the top and a slider sliding portion located at the bottom, and the slider boss portion is fixed to the bottom of the guide palm base by a slider fastener.

[0013] In the third example of the guide assembly, one or more of the first example and the second example are optionally included, and the guide assembly further includes: the slide rail is in a concave shape, including a slide rail platform portion located at the top and a slide rail track portion located in the middle, wherein the slider sliding portion is matched with the slide rail track portion in shape.

[0014] In a fourth example of the guide assembly, one or more of the first to third examples may be optionally included, and the guide assembly further comprises: the slide rail is fixed to the rack base by a slide rail fastener, and the slide rail fastener is arranged in and partially protrudes into the slide rail track portion, so that the slide rail fastener can block the slider from moving translationally along the slide rail track portion in the slide rail.

[0015] In a fifth example of the guide assembly, which optionally includes one or more of the first to fourth examples, the locking assembly of the guide assembly is disposed on the top of the slide rail platform portion.

[0016] In the sixth example of the guide assembly, one or more of the first to fifth examples are optionally included, and the locking assembly of the guide assembly includes an actuating handle, a rotating shaft, a limiting channel seat and an eccentric cam, wherein the actuating handle is fixed to the first end of the rotating shaft and can actuate the rotating shaft to rotate; the limiting channel seat is fixed to the top of the slide rail; the rotating shaft extends through the limiting channel seat and is constrained by the through channel in the limiting channel seat, so that the rotating shaft can rotate in the limiting channel seat and move relative to each other in the axial direction along the rotating shaft; the eccentric cam is eccentrically fixed to the second end of the rotating shaft and is configured so that as the rotating shaft rotates, the eccentric cam can move between a first rotation position spaced apart from the slider and a second rotation position against the slider.

[0017] In the seventh example of the guide assembly, one or more of the first to sixth examples are optionally included, and the locking assembly of the guide assembly includes an adjusting handle, a threaded shaft, a first locking nut, and a second locking nut, wherein the adjusting handle is fixed to the first end of the threaded shaft and can actuate the threaded shaft to rotate; the first locking nut is fixed to the top of the slide rail, and the second locking nut is fixed to the side wall of the slider; the threaded shaft includes a first threaded section and a second threaded section with different thread leads, the threaded shaft extends through the first locking nut and the second locking nut, the first locking nut is threadedly engaged with the first threaded section, and the second locking nut is threadedly engaged with the second threaded section, so that as the threaded shaft rotates, the first locking nut and the second locking nut can perform translational movement relative to each other in the axial direction of the threaded shaft to actuate the slider to perform translational movement relative to the slide rail.

[0018] In the eighth example of the guide assembly, one or more of the first to seventh examples are optionally included, and the slider of the guide assembly is provided with a threaded area on the side wall facing the locking assembly, and the locking assembly includes a threaded sleeve, a drive shaft, a locking seat, a bolt, and a locking head, wherein the locking seat is fixed to the top of the slide rail, and the locking seat is provided with a threaded hole, and the bolt is partially inserted into the locking seat via the threaded hole; the drive shaft extends through the locking seat and is constrained by the locking seat, so that the drive shaft can rotate in the locking seat and move translationally along the axial direction of the drive shaft, and the drive shaft includes an axis actuation pattern of an adapter tool on the end face of one end, so that the drive shaft can be actuated to rotate by the tool; the locking head is arranged in the locking seat and matches the shape of the drive shaft; the bolt abuts against the locking head at one end, and the bolt includes a bolt actuation pattern of an adapter tool at the other end, so that the bolt can be driven to rotate by the tool; the threaded sleeve is sleeved and fixed to the other end of the drive shaft, and the thread of the threaded sleeve matches the thread shape of the threaded area of ​​the slider, so that the rotation of the threaded sleeve can actuate the slider to move translationally relative to the slide rail.

[0019] The present invention also provides a papermaking machine, wherein the papermaking machine comprises a guide assembly according to one aspect of the present invention.

[0020] Compared to existing guide assemblies, the guide assembly of this utility model only requires one person to adjust and secure the position of the guide palm, improving operator safety during adjustment operations. Furthermore, the shape of the slide rail and the slider allow for translational movement of the guide palm relative to the frame base, improving stability during adjustment of the cloth during high-speed operation of the paper machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to describe the implementation of the above and other features of the present invention, a more particular description of the present invention briefly described above will be presented with reference to the exemplary embodiments of the present invention shown in the accompanying drawings. It will be understood that these drawings only depict exemplary embodiments of the present invention and should not be considered as limiting its scope. The present invention will be described and explained through the use of the accompanying drawings and with additional features and details. In the drawings:

[0022] Figure 1 is a schematic diagram of a guide assembly according to the prior art;

[0023] Figure 2 is a side view of a slider according to an embodiment of the present utility model;

[0024] Figure 3 is a side view of a slide rail according to an embodiment of the present utility model;

[0025] Figure 4 is a side sectional view of a guide assembly according to an embodiment of the present utility model;

[0026] Figure 5 yes Figure 4 A top view of the guide assembly;

[0027] Figure 6 is a top view of a locking assembly according to an embodiment of the present utility model;

[0028] Figure 7 is a top view of a locking assembly according to another embodiment of the present utility model;

[0029] Figure 8a is a schematic diagram of a portion of a locking assembly according to yet another embodiment of the present invention; and

[0030] Figure 8b yes Figure 8a A schematic diagram of the remaining parts of the locking assembly.

[0031] The accompanying drawings are roughly drawn to scale, but the dimensions in the accompanying drawings are only schematic and do not necessarily need to be drawn strictly to scale, but are intended to provide a clearer illustration. In other embodiments, other relative dimensions may be used.

[0032] Here and throughout the following, identical features appearing in different figures are denoted by identical or similar reference numerals.

[0033] List of reference numerals:

[0034] 1 Guide assembly

[0035] 2 rollers

[0036] 2a Net carpet

[0037] 10. Guiding Palm

[0038] 11 Guide palm connecting rod patch assembly

[0039] 12-Guide Palm Base

[0040] 20 rack base

[0041] 30 Sliders

[0042] 31 Slider boss

[0043] 32 Slider sliding part

[0044] 40 slide rails

[0045] 41 Slide rail platform

[0046] 42 Slide rail

[0047] 50 Locking assembly

[0048] 60 Slide rail fasteners

[0049] 70 Slider Fastener

[0050] 651 Actuation handle

[0051] 652 Rotating Axis

[0052] 653 Limit channel seat

[0053] 654 eccentric cam

[0054] 751 Adjustment handle

[0055] 752 threaded shaft

[0056] 752a First thread segment

[0057] 752b Second thread segment

[0058] 753 First Locking Nut

[0059] 754 Second locking nut

[0060] 851 threaded sleeve

[0061] 852 drive shaft

[0062] 853 Locking seat

[0063] 853a threaded hole

[0064] 854 Bolt

[0065] 855 Locking Head DETAILED DESCRIPTION

[0066] The term "fixed" as used herein is intended to describe that one component is connected to another component and can maintain a constant relative position to each other, so that force, torque, etc. can be transmitted from one component to the other component. The term "coupled" as used herein is intended to describe that there is a direct force transmission path from one component to another component, that is, direct contact, so that force, torque, etc. can be transmitted from one component to the other component. The term "form fit" as used herein is intended to describe that the shape of at least a portion of one component and the shape of at least a portion of another component can fit each other. This "form fit" does not require complete shape matching, and can be partial shape matching, for example, one component is convex and can be received in a curved recess of another component, or the key of one component can be partially received in the groove of another component.

[0067] Directional terms used herein, such as "top," "bottom," "upper," "lower," "interior," "inward," "outer," and "outward," are used to assist in describing the present invention according to the orientation of the embodiments shown in the drawings. Unless otherwise indicated, such as "horizontal direction," "direction of gravity," etc., directional terms are not absolute up, down, horizontal, vertical, etc., and should not be construed as limiting the present invention to any particular orientation.

[0068] As used herein, the term "axial" and variations thereof refers to a direction extending generally along an axis of symmetry, a central axis, an axis of rotation, or the elongation of a particular component or system. For example, an axially extending feature of a component may be a feature extending generally along a direction parallel to the axis of symmetry or the elongation of the component.

[0069] As used herein, the terms "comprising," "having," "including," and variations thereof are intended as open-ended transitional phrases, terms, or words requiring the presence of specified elements / steps and also allowing for the presence of additional elements / steps.

[0070] In the present invention, unless explicitly stated otherwise, the terms "first", "second", etc. are not intended to indicate any difference in order, position, quantity or importance, but are merely used as labels to distinguish different positions and components, to distinguish one element, component, region and / or position from another element, component, region and / or position.

[0071] Figure 1 The figure schematically shows a guide assembly in the prior art. In the prior art, the guide assembly includes a guide palm 10 and a frame base 20 .

[0072] The guide palm 10 includes a guide palm connecting rod patch assembly 11 and a guide palm base 12 that supports the guide palm connecting rod patch assembly 11. The guide palm 10 is fixed to a frame base 20, which is in turn fixed to the frame of the papermaking machine. The specific fixing position of the guide palm 10 on the frame base 20 is adjusted so that the guide palm connecting rod patch assembly 11 can contact the clothing 2a in a direction perpendicular to the running direction of the clothing 2a, thereby adjusting the running path of the clothing.

[0073] In a non-limiting example, the guide assembly 1 of the present invention may include an existing guide palm 10 and a frame base 20 .

[0074] In a non-limiting example, the guide assembly 1 of the present invention may include a slider 30 and a slide rail 40 , and the slider 30 and the slide rail 40 may be form-matched.

[0075] Preferably, the slider 30 is fixed to the bottom of the guide palm base 12 of the guide palm 10, and the slide rail 40 is fixed to the top of the frame base 20. It is understood that the arrangement of the slider 30 and the slide rail 40 is not limited to this, and the slide rail 40 may also be fixed to the guide palm 10 and the slider 30 is fixed to the frame base 20.

[0076] Furthermore, the slider 30 and the slide rail 40 may not be separate components, but may be integrally formed with the guide palm 10 and / or the frame base 20. In this case, the guide assembly of the present invention does not include a conventional guide palm and / or frame base in the prior art, but rather includes the guide palm 10 and / or the frame base 20 according to this embodiment (not shown).

[0077] Preferably, the slider 30 and the slide rail 40 are arranged so that the sliding direction of the slider 30 is perpendicular to the running direction of the mesh 2a, so that the position of the guide palm 10 relative to the frame base 20 can be adjusted in a direction perpendicular to the running direction of the mesh 2a, thereby adjusting the running path of the mesh.

[0078] In a non-limiting example, the guide assembly 1 of the present invention may include a locking assembly 50 that allows the slider 30 to be selectively locked and released relative to the slide rail 40. Further, the locking assembly 50 of the present invention includes any form suitable for easy locking and releasing by a single person or even one hand.

[0079] When the cloth shrinks too much and needs to be moved to the transmission side, the locking assembly 50 can be operated to allow the guide palm base 12 and the guide palm 10 mounted on the slider 30 to translate toward the transmission side, thereby controlling the running position of the cloth.

[0080] In one non-limiting example, the locking assembly 50 may include a spring-loaded push-lock switch assembly that may be disposed on both the slider 30 and the rail 40 and capable of selectively locking and releasing the slider 30 relative to the rail 40 .

[0081] The present invention will be further described below in conjunction with specific embodiments and drawings. More details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can obviously be implemented in a variety of other ways different from the description. Those skilled in the art can make similar generalizations and deductions based on actual application situations without violating the connotation of the present invention. Therefore, the scope of protection of the present invention should not be limited by the content of this specific embodiment.

[0082] Figure 2 The schematic diagram shows a slider 30 according to an embodiment of the present invention. The slider 30 may be in a generally convex shape, including a slider boss portion 31 at the top and a slider sliding portion 32 at the bottom. The slider boss portion 31 and the slider sliding portion 32 may both be in a rectangular parallelepiped shape, and the slider sliding portion 32 may be larger than the slider boss portion 31.

[0083] The slider boss portion 31 may include a fastener hole for fastening to the bottom of the guide palm base 12 of the guide palm 10 via a slider fastener 70. The slider sliding portion 32 may mate with the shape of the slide rail portion of the slide rail 40 described below. The slider boss portion 31 and the slider sliding portion 32 may be two separate components fixed together, or may be two sections of a single component.

[0084] The slider 30 and in particular the slider sliding portion 32 can be made of a polymer material, or preferably a fiber reinforced polymer composite material, which has high strength, high shock resistance and high wear resistance. Alternatively, the slider 30 can be made of a metal material, such as steel or aluminum alloy.

[0085] Figure 3The slide rail 40 according to an embodiment of the present invention is schematically shown. The slide rail 40 may be in a substantially concave shape, including a slide rail platform portion 41 at the top and a slide rail track portion 42 at the middle.

[0086] The slide rail platform portion 41 may have a sufficient size to accommodate at least a portion of a locking assembly 50 described below. The slide rail portion 42 may have any shape that matches the shape of the slider sliding portion 32 of the slider 30 .

[0087] The slide rail 40 and in particular the slide rail track portion 42 may be made of a polymer material, or preferably a fiber reinforced polymer composite material. Alternatively, the slider 30 may be made of a metal material, such as steel or an aluminum alloy.

[0088] Figure 4 、 Figure 5 A side sectional view and a top view of a guide assembly 1 according to an embodiment of the present invention are schematically shown.

[0089] In this embodiment, the slider 30 is fixed to the bottom of the guide palm base 12 of the guide palm 10 by six slider fasteners 70. It will be understood that the number and position of the slider fasteners 70 are not limited thereto, but can be any number and position that ensures that the slider 30 is fixed to the guide palm base 12.

[0090] In this embodiment, the slide rail 40 is fixed to the rack base 20 by two slide rail fasteners 60, and the slide rail fasteners 60 are arranged in and partially protrude into the slide rail track portion 42 so that the slide rail fasteners 60 can block the slider 30 from moving translationally along the slide rail track portion 42 in the slide rail 40, thereby acting as a limit stop, thereby limiting the range of motion of the slider 30 in the slide rail 40.

[0091] The following will describe a specific embodiment of the locking assembly 50. Preferably, the locking assembly 50 is disposed on the top of the slide rail platform portion 41 of the slide rail 40.

[0092] Figure 6 The top view of a locking assembly 50 according to an embodiment of the present invention is schematically shown. In this embodiment, the locking assembly 50 may include an actuating handle 651, a rotating shaft 652, a position limiting channel seat 653 and an eccentric cam 654, wherein the position limiting channel seat 653 is fixed to the top of the slide rail 40 (preferably, the top of the slide rail platform portion 41, in combination with the eccentric cam 654). Figure 5 ).

[0093] The actuating handle 651 is fixed to a first end of the rotating shaft 652 , and the rotating shaft 652 can be actuated to rotate by rotating the actuating handle 651 .

[0094] The rotating shaft 652 extends through the limiting channel seat 653 and is constrained by the limiting channel seat 653 , so that the rotating shaft 652 can rotate in the limiting channel seat 653 and translate along the axis direction of the rotating shaft 652 .

[0095] The eccentric cam 654 is eccentrically fixed to the second end of the rotating shaft 652 and is configured so that as the rotating shaft 652 is actuated and rotated, the eccentric cam 654 can move between a first rotational position spaced apart from the side wall of the slider 30 (preferably, the side wall of the slider boss portion 31) and a second rotational position abutting the side wall of the slider 30.

[0096] When a paper machine's clothing deviates, it typically deviates from the transport side toward the control side. Rotating the actuating handle 651 causes the eccentric cam 654 to slightly release its contact with the slider boss 31, pushing the slider 30 toward the transport side by a predetermined distance. This in turn drives the guide palm 10 fixed to the slider 30 toward the transport side, controlling the deflection of the clothing toward the transport side.

[0097] Figure 7 The top view of another locking assembly 50 according to an embodiment of the present invention is schematically shown. In this embodiment, the locking assembly 50 may include an adjustment handle 751, a threaded shaft 752, a first locking nut 753, and a second locking nut 754, wherein the first locking nut 753 is fixed to the top of the slide rail 40 (preferably, the top of the slide rail platform 41, in combination with the first locking nut 753). Figure 5 ), and the second locking nut 754 is fixed to the side wall of the slider 30 (preferably, the side wall of the slider boss portion 31).

[0098] The adjustment handle 751 is fixed to a first end of the threaded shaft 752 and is capable of actuating the threaded shaft 752 to rotate.

[0099] The threaded shaft 752 may include a first threaded section 752a and a second threaded section 752b having different thread leads. The threaded shaft 752 extends through a first locking nut 753 and a second locking nut 754, wherein the first locking nut 753 is threadedly engaged with the first threaded section 752a, and the second locking nut 754 is threadedly engaged with the second threaded section 752b.

[0100] The threaded shaft 752 and the first locking nut 753 and the second locking nut 754 are configured so that as the threaded shaft 752 rotates, the first locking nut 753 and the second locking nut 754 can perform translational movement relative to each other along the axial direction of the threaded shaft 752 to actuate the slider 30 to perform translational movement relative to the slide rail 40.

[0101] Figure 8a 、 8bA top view of another locking assembly 50 according to an embodiment of the present invention is schematically shown. In this embodiment, the locking assembly 50 may include a threaded sleeve 851, a transmission shaft 852, a locking seat 853, a bolt 854, and a locking head 855, wherein the locking seat 853 is fixed to the top of the slide rail 40 (preferably, the slide rail platform 41).

[0102] The transmission shaft 852 extends through the locking seat 853 and is constrained by the locking seat 853 , so that the transmission shaft 852 can rotate in the locking seat 853 and translate along the axis of the transmission shaft 852 .

[0103] The locking seat 853 is provided with a threaded hole 853 a for the bolt 854 to pass through, and the bolt 854 can be partially inserted into the locking seat 853 through the threaded hole 853 a.

[0104] The locking head 855 is disposed in the locking seat 853 and one side thereof can be matched with the outer peripheral shape of the transmission shaft 852 .

[0105] The bolt 854 abuts against the other side of the locking head 855 at one end, and includes a bolt actuation pattern adapted for a tool at the other end, so that the bolt 854 can be actuated to rotate by the tool.

[0106] In this embodiment, as shown in the figure, the bolt actuation pattern is a cross slot and the tool can be a cross screwdriver, however the actuation pattern and tool are not limited thereto, and any options that can be easily locked and released are possible, such as a slot of a specific shape and a corresponding hand tool (such as a flat-head slot and a flat-head screwdriver, a hexagonal slot and a hexagonal wrench), a polygonal clamping area and a wrench (such as four rough textured planes stepped along the circumference).

[0107] The transmission shaft 852 includes a shaft actuation pattern on the end surface of one end that is adapted to a tool, so that the transmission shaft 852 can be actuated to rotate by a tool. Preferably, the shaft actuation pattern is similar to the bolt actuation pattern, so that the same tool can be used for actuation.

[0108] In this embodiment, the slider 30 (preferably, the slider boss portion 31 of the slider 30) is provided with a threaded area on the side wall facing the locking assembly 50, and the threaded sleeve 851 is sleeved and fixed to the other end of the transmission shaft 852. The thread of the threaded sleeve 851 cooperates with the thread shape of the threaded area of ​​the slider 30, so that the rotation of the threaded sleeve 851 can actuate the slider 30 to perform translational movement relative to the slide rail 40.

[0109] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention are clearly and completely described above in combination with the specific embodiments of the present invention and the accompanying drawings.

[0110] Although various embodiments have been described above, it should be understood that the embodiments described are only some of the embodiments of the present invention, rather than all of the embodiments, and are presented in an exemplary rather than restrictive manner. It is obvious to those skilled in the relevant art that the disclosed subject matter can be implemented in other specific forms without departing from its spirit and essential features.

[0111] In this process, various elements that are important to the present invention or that are conducive to further development of the present invention will be mentioned in the context of specific examples, but some of these elements can also be used to further develop the present invention when separated from the content and other features of the corresponding examples. Therefore, the embodiments described above are to be considered in all respects as illustrative and non-restrictive, and are not to be used as a basis for limiting the present invention in any way.

[0112] Based on the embodiments of this utility model, all other embodiments obtained by persons of ordinary skill in the art without inventive effort are within the scope of protection to be provided by this utility model. This disclosure also includes various modifications and variations within the scope of equivalence. In addition, various combinations and methods, as well as other combinations and methods including only one element, more than one element, or less than one element, are also within the scope and scope of the concept of this disclosure.

Claims

1. A guide assembly for offsetting a clothing (2a) of a roller (2) of a paper machine, characterized in that The guide assembly (1) comprises: A guide palm (10), the guide palm (10) comprising a guide palm connecting rod patch assembly (11) and a guide palm base (12), the guide palm base (12) supporting the guide palm connecting rod patch assembly (11), the guide palm connecting rod patch assembly (11) contacting the mesh (2a) in a direction perpendicular to the running direction of the mesh (2a); a frame base (20) fixed to a frame of the paper machine; a slider (30), the slider (30) being fixed to the bottom of the guide palm base (12); A slide rail (40), the slide rail (40) being fixed to the top of the frame base (20), the slider (30) being in shape matching with the slide rail (40), wherein the sliding direction of the slider (30) is perpendicular to the running direction of the net cloth (2a); A locking assembly (50) selectively locks and releases the slider (30) relative to the slide rail (40).

2. The guide assembly according to claim 1, characterized in that The slider (30) is in a convex shape and comprises a slider boss portion (31) at the top and a slider sliding portion (32) at the bottom, and the slider boss portion (31) is fixed to the bottom of the guide palm base (12) through a slider fastener.

3. The guide assembly according to claim 2, characterized in that The slide rail (40) is in a concave shape, comprising a slide rail platform portion (41) located at the top and a slide rail track portion (42) located in the middle, wherein the slider sliding portion (32) is matched with the slide rail track portion (42) in shape.

4. The guide assembly according to claim 3, characterized in that The slide rail (40) is fixed to the frame base (20) by a slide rail fastener (60), and The slide rail fastener (60) is disposed in and partially protrudes into the slide rail track portion (42), so that the slide rail fastener (60) can block the slider (30) from translating along the slide rail track portion (42) in the slide rail (40).

5. The guide assembly according to claim 3, characterized in that The locking assembly (50) is arranged on the top of the slide rail platform portion (41).

6. The guide assembly according to claim 1, characterized in that The locking assembly (50) comprises an actuating handle (651), a rotating shaft (652), a position-limiting channel seat (653) and an eccentric cam (654), wherein The actuating handle (651) is fixed to the first end of the rotating shaft (652) and is capable of actuating the rotating shaft (652) to rotate; The limiting channel seat (653) is fixed to the top of the slide rail (40); The rotating shaft (652) extends through the limiting channel seat (653) and is constrained by the through channel in the limiting channel seat (653), so that the rotating shaft (652) can rotate in the limiting channel seat (653) and move translationally relative to each other in the axial direction along the rotating shaft (652); The eccentric cam (654) is eccentrically fixed to the second end of the rotating shaft (652) and is configured so that as the rotating shaft (652) rotates, the eccentric cam (654) can move between a first rotation position spaced apart from the slider (30) and a second rotation position abutting the slider (30).

7. The guide assembly according to claim 1, wherein: The locking assembly (50) comprises an adjustment handle (751), a threaded shaft (752), a first locking nut (753), and a second locking nut (754), wherein The adjustment handle (751) is fixed to the first end of the threaded shaft (752) and is capable of actuating the threaded shaft (752) to rotate; The first locking nut (753) is fixed to the top of the slide rail (40), and the second locking nut (754) is fixed to the side wall of the slider (30); The threaded shaft (752) includes a first threaded section (752a) and a second threaded section (752b) having different thread leads. The threaded shaft (752) extends through the first locking nut (753) and the second locking nut (754). The first locking nut (753) is threadedly engaged with the first threaded section (752a), and the second locking nut (754) is threadedly engaged with the second threaded section (752b). As the threaded shaft (752) rotates, the first locking nut (753) and the second locking nut (754) can perform translational movement relative to each other in the axial direction of the threaded shaft (752) to actuate the slider (30) to perform translational movement relative to the slide rail (40).

8. The guide assembly according to claim 1, wherein: The slider (30) is provided with a threaded area on the side wall facing the locking assembly (50). The locking assembly (50) comprises a threaded sleeve (851), a transmission shaft (852), a locking seat (853), a bolt (854), and a locking head (855), wherein The locking seat (853) is fixed to the top of the slide rail (40), and a threaded hole (853a) is provided on the locking seat (853), and the bolt (854) is partially inserted into the locking seat (853) via the threaded hole (853a); The transmission shaft (852) extends through the locking seat (853) and is constrained by the locking seat (853), so that the transmission shaft (852) can rotate in the locking seat (853) and translate along the axis of the transmission shaft (852); the transmission shaft (852) includes a shaft actuation pattern for an adapter tool on an end surface at one end, so that the transmission shaft (852) can be actuated to rotate by the tool; The locking head (855) is arranged in the locking seat (853) and is matched with the transmission shaft (852) in shape; The bolt (854) abuts against a locking head (855) at one end, and the bolt (854) comprises a bolt actuation pattern adapted for a tool at the other end, so that the bolt (854) can be driven to rotate by the tool; The threaded sleeve (851) is sleeved and fixed to the other end of the transmission shaft (852), and the thread of the threaded sleeve (851) cooperates with the thread shape of the threaded area of ​​the slider (30), so that the rotation of the threaded sleeve (851) can actuate the slider (30) to perform translational movement relative to the slide rail (40).

9. A papermaking machine, characterized in that: The papermaking machine comprises a guide assembly (1) according to any one of claims 1-8.

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