CN214362534U

CN214362534U - Improve pressure stability's papermaking squeezing mechanism

Info

Publication number: CN214362534U
Application number: CN202023124292.XU
Authority: CN
Inventors: 何祥尧; 刘庭辉
Original assignee: Jiaoling Jinfa Paper Co ltd
Current assignee: Jiaoling Jinfa Paper Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-10-08
Anticipated expiration: 2030-12-22

Abstract

The application relates to a papermaking squeezing mechanism for improving pressure stability, which belongs to the technical field of papermaking equipment and comprises a rack, an upper roller and a lower roller, wherein the upper roller and the lower roller are arranged on the rack; an upper blanket and a lower blanket arranged between the upper roller and the lower roller; a first guide roller which is arranged on the frame and used for bearing the upper blanket and a second guide roller for bearing the lower blanket; a third guide roll 41 mounted on the machine frame for carrying the web; the guide pieces are movably and vertically arranged at the two ends of the frame and used for guiding the paper web; the elastic piece is arranged on the rack and used for driving the guide sheet to reset on the rack; and the adjusting component is arranged on the frame and is used for adjusting the distance between the guide sheets. In order to improve the pressure stability that the paper web received, the application provides a papermaking squeezing mechanism who improves pressure stability, can carry out the position to the paper web when the paper web takes place to deviate and lead, makes the paper web steadily be drawn into upper and lower roll and squeezes, has improved and squeezes efficiency, has reduced the required energy consumption of follow-up dry paper web.

Description

Improve pressure stability's papermaking squeezing mechanism

Technical Field

The application relates to the technical field of papermaking equipment, in particular to a papermaking squeezing mechanism for improving pressure stability.

Background

In the production of papermaking, the paper web is often required to be dried, while the paper machine pressing mechanism is a key part for drying the paper web, and the main functions of the paper machine pressing mechanism are to dewater and solidify the paper web, improve the performance of the paper web, improve the strength of the wet paper web and reduce the energy consumption of the paper web when the paper web is subsequently dried.

In the traditional roller type pressing device, the upper roller and the lower roller are contacted with each other, and the paper web is subjected to the gravity of the upper roller and the extrusion force generated when the two rollers rotate at high speed, so that when the paper web passes through the blanket between the upper roller and the lower roller, the moisture is released to the blanket, and the effect of extruding the moisture of the paper web is achieved.

In view of the related art in the above, the inventors consider that there are drawbacks in that: the water on each part of the paper web is often unevenly distributed, so that the paper web is weakly deformed due to unbalanced extrusion force when passing through the upper roller and the lower roller, the situation that the subsequent paper web is deviated from the preset conveying direction before being input into the upper roller and the lower roller is easily caused due to the weak deformation, the width of a contact surface between the upper roller and the lower roller of the paper web is increased, the line pressure on the paper web is dispersed, and the squeezing effect of the squeezing mechanism on the paper web is weakened.

SUMMERY OF THE UTILITY MODEL

In order to improve the pressure stability that the paper web received, the application provides a papermaking squeezing mechanism who improves pressure stability, can carry out the position to the paper web when the paper web takes place to deviate and lead, makes the paper web steadily be drawn into upper and lower roll and squeezes, has improved and squeezes efficiency, has reduced the required energy consumption of follow-up dry paper web.

The application provides a pair of improve pressure stability's papermaking squeezing mechanism adopts following technical scheme:

a papermaking squeezing mechanism for improving pressure stability comprises a machine frame, an upper roller and a lower roller which are arranged on the machine frame; the upper blanket and the lower blanket are arranged between the upper roller and the lower roller; the first guide roller is arranged on the machine frame and used for bearing the upper blanket and the second guide roller is used for bearing the lower blanket; a third guide roll mounted on the frame for carrying a paper web; the guide pieces are movably and vertically arranged at the two ends of the frame and used for guiding the paper web; the elastic piece is arranged on the rack and used for driving the guide sheet to reset on the rack; and the adjusting assembly is arranged on the machine frame and is used for adjusting the distance between the guide sheets.

Through adopting above-mentioned technical scheme, first deflector roll, second deflector roll and third deflector roll are with the paper web, go up the woollen blanket and the woollen blanket bears the transportation down, send into the paper web and push between advancing roller and the lower roll, moisture on the paper web is squeezed and goes out and adsorbed by last woollen blanket and lower woollen blanket, the paper web is when squeezing the in-process if the position skew takes place, the piece of leading of paper web side can conflict the paper web and extrude to the elastic component, the elastic component receives and produces the resilience force after the compression, thereby will lead the piece and reset and carry out the position to the paper web and lead, can receive certain buffering reset effect when making the paper web skew, supplementary paper web is with minimum width in last roller and lower roll in order to squeeze, improve the line pressure that the paper web received between last roller and lower roll, make squeezing mechanism possess higher pressure stability in order to reach better squeezing effect.

Preferably, the upper guide rod and the lower guide rod are horizontally arranged on the rack, the upper guide rod is located above the paper web, the lower guide rod is located below the paper web, the upper guide rod and the lower guide rod are both slidably sleeved with moving sleeves, and the guide sheet is vertically arranged between the moving sleeves.

Through adopting above-mentioned technical scheme, leading positive piece when receiving the paper web conflict, through removing the cover horizontal migration on upper guide arm and lower guide arm simultaneously, make and lead positive piece and remain vertical state throughout and reset and remove to guide the paper web and just carry with the roll body direction of roller and lower roll perpendicularly and squeeze.

Preferably, the adjustment assembly comprises: the locking piece is used for locking the upper arc-shaped block and the lower arc-shaped block, wherein the upper arc-shaped block and the lower arc-shaped block are positioned at the side ends of the movable sleeve, which are close to each other.

Through adopting above-mentioned technical scheme, the interval of two positive pieces is led in order to remove the regulation to compression elastic component, then uses the closure to cooperate the arc piece with lower arc piece to establish respectively the cover and establish and install in last guide arm and lower guide arm, can conflict spacingly to removing the cover, makes positive piece adaptation in leading the paper web of different width in order to squeeze.

Preferably, the locking element comprises: the locking bolt penetrates through the protruding ends of the upper arc-shaped block and the lower arc-shaped block, and the locking nut is assembled at the tail of the locking bolt.

By adopting the technical scheme, after the operator installs the upper arc-shaped block and the lower arc-shaped block on the position of the abutting moving sleeve, the upper arc-shaped block and the lower arc-shaped block are connected by the locking bolt, and the locking nut is screwed up, so that the upper arc-shaped block and the lower arc-shaped block are fixed in the upper guide rod and the lower guide rod.

Preferably, the inner sides of the upper arc-shaped block and the lower arc-shaped block are provided with rubber pads.

Through adopting above-mentioned technical scheme, the rubber pad contacts with the periphery of upper and lower guide arm, has increased the frictional force of last arc piece on upper and lower guide arm with lower arc piece, has improved adjusting part's steadiness.

Preferably, balls are arranged between the contact surfaces of the moving sleeve and the upper guide rod and between the moving sleeve and the contact surfaces of the moving sleeve and the lower guide rod.

Through adopting above-mentioned technical scheme, the ball can make the removal cover slide on upper guide arm and lower guide arm more smoothly, does benefit to the cushioning effect of positive piece to the paper web.

Preferably, the periphery of the upper guide rod and the lower guide rod is provided with scale marks.

By adopting the technical scheme, when the position of the guide sheet needs to be adjusted, the scale marks can assist an operator to finely adjust the position of the movable sleeve by taking the scale marks as reference, so that the guide sheet is symmetrically fixed on the preset position.

Preferably, one side face, close to the paper web, of the guide sheet is provided with two limiting strips, and a gap between the two limiting strips is used for the paper web to pass through.

Through adopting above-mentioned technical scheme, when the paper web takes place the skew, spacing can provide the interference force of vertical direction to the paper web, makes the paper web be difficult for taking place fore-and-aft removal at the in-process that resets, is favorable to leading positive piece and leads to the paper web better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the guide piece and the elastic piece, when the paper web deviates, the guide piece can reset the guide of the paper web to the preset conveying direction, so that the paper web is squeezed with smaller contact surface width when being conveyed into the upper roller and the lower roller, the line pressure on the paper web is improved, and the pressure stability of the squeezing mechanism for squeezing the paper web is improved;

2. through being provided with adjusting part, can adjust the distance between the guide piece according to different width paper webs adaptation, make guide piece surface laminating paper web side lead just to reset.

Drawings

FIG. 1 is a side view of an embodiment of the present application;

FIG. 2 is a schematic view of the structure of an upper guide rod and a lower guide rod in the embodiment of the present application;

fig. 3 is a schematic structural view of an upper guide bar and a lower guide bar in the embodiment of the present application.

Description of reference numerals: 1. a frame; 2. upper roll; 21. a first guide roller; 22. feeding a blanket; 3. a lower roll; 31. a second guide roller; 32. a blanket is arranged; 4. a paper web; 41. a third guide roller; 5. a correcting sheet; 51. a limiting strip; 6. an elastic member; 71. an upper guide rod; 72. a lower guide rod; 73. moving the sleeve; 731. a ball bearing; 8. an adjustment assembly; 81. an upper arc-shaped block; 82. a lower arc-shaped block; 83. locking the bolt; 84. locking the nut; 85. a rubber pad; 74. scale lines are marked.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses improve pressure stability's papermaking squeezing mechanism.

Referring to fig. 1 and 2, a papermaking press mechanism for improving pressure stability comprises a frame 1, an upper roll 2 and two first guide rolls 21 are horizontally installed on the frame 1, an upper felt 22 is wound on the two first guide rolls 21, the upper roll 2 is arranged between the two first guide rolls 21, the upper felt 22 is wrapped on the lower surface of the upper roll 2, correspondingly, a lower roll 3 and two second guide rolls 31 are horizontally installed on the frame 1, a lower felt 32 is wound on the two second guide rolls 31, a lower roll 3 is arranged between the two second guide rolls 31, the lower felt 32 is wrapped on the upper surface of the lower roll 3, in addition, a third guide roll 41 is installed on the frame 1, the third guide roll 41 bears a paper web 4 and inputs the paper web 4 between the upper roll 2 and the lower roll 3, and only gaps between the upper felt 22, the lower felt 32 and the paper web 4 are left between the upper roll 2 and the lower roll 3 by descending the upper roll 2, the paper web 4 is held by the upper felt 22 and the lower felt 32, the respective roller bodies are rotated to cause the paper web 4 to be pressed and transported forward by the upper roller 2 and the lower roller 3, and the moisture squeezed out of the paper web 4 is adsorbed by the upper felt 22 and the lower felt 32, thereby pressing the paper web 4 to achieve a drying effect.

Due to the fact that moisture on the wet paper web 4 is unevenly distributed, when the paper web 4 is squeezed, the paper web 4 is subjected to unbalanced squeezing force on the contact surface of the upper roll 2 and the lower roll 3, so that the paper web 4 is weakly deformed, the deformation easily causes a certain angle deviation between the conveying direction of the paper web 4 and a preset conveying direction before the subsequent paper web 4 is input for squeezing, the width of the contact surface of the paper web 4 on the upper roll 2 and the lower roll 3 is increased, the line pressure is dispersed, and the squeezing drying effect of the paper web 4 is weakened due to the instability of the pressure.

As shown in fig. 2 and 3, in order to enable the press mechanism to perform a high pressure stability pressing function, an upper guide bar 71 and a lower guide bar 72 are horizontally installed at a position of the frame 1 before the web 4 is transferred into the press by the third guide roller 41, wherein the upper guide bar 71 is located above the web 4, the lower guide bar 72 is located below the web 4 and is in the same vertical direction as the upper guide bar 71, moving sleeves 73 are respectively sleeved on the upper guide bar 71 and the lower guide bar 72, balls 731 are arranged in the moving sleeves 73, the balls 731 are in contact with the outer peripheries of the upper guide bar 71 and the lower guide bar 72, and the auxiliary moving sleeves 73 are capable of moving smoothly on the upper guide bar 71 and the lower guide bar 72.

A guide piece 5 is fixed between the upper and lower moving sleeves 73, the guide piece 5 is vertically installed and the surface is arranged towards the paper web 4, in addition, an elastic part 6 is horizontally installed on the frame 1, the elastic part 6 can be a common compression spring in the market, one end of the elastic part 6 far away from the frame 1 is connected with the side end of the guide piece 5, and the moving sleeves 73, the guide piece 5 and the elastic part 6 are symmetrically installed at two sides of the upper guide rod 71 and the lower guide rod 72 in a matching way, so that the paper web 4 can be contacted with the guide pieces 5 at two sides when passing through the upper guide rod 71 and the lower guide rod 72.

When the paper web 4 deviates, one side end of the paper web 4 is abutted against the surface of the guide sheet 5, the guide sheet 5 is enabled to extrude the elastic part 6 on one side of the guide sheet, the elastic part 6 is compressed to generate resilience to reset the guide sheet 5, the guide sheet 5 guides the deviated paper web 4, the paper web 4 enters between the two rollers to be squeezed in the direction vertical to the conveying direction of the upper roller 2 and the lower roller 3, and therefore the linear pressure on the paper web 4 is maintained at a stable high level.

For further assisting in guiding the paper web 4, two limiting strips 51 are horizontally arranged on one side face, close to each other, of the guide sheet 5, a groove is formed in the guide sheet 5 by a gap between the two limiting strips 51, when the paper web 4 passes through the guide sheet 5, two side edges of the paper web 4 penetrate through the groove, the limiting strips 51 provide longitudinal abutting force for the paper web 4, so that the side end of the paper web 4 is not easy to move in the vertical direction when the paper web 4 is deviated, and the paper web 4 can be better guided to the preset conveying direction.

In order to make the guiding sheet 5 fit the paper webs 4 with different widths for guiding, an adjusting assembly 8 is mounted on the upper guide bar 71 and the lower guide bar 72, referring to fig. 3, in the present embodiment, the adjusting assembly 8 includes an upper arc block 81, a lower arc block 82 and a locking member, wherein the upper arc block 81 and the lower arc block 82 are fittingly combined and sleeved on the upper guide bar 71 and the lower guide bar 72, inner contours of the upper arc block 81 and the lower arc block 82 fit outer circumferential surfaces of the bars of the upper guide bar 71 and the lower guide bar 72, inner sides of the upper arc block 81 and the lower arc block 82 are fitted with rubber pads 85 to increase friction between the upper guide bar 71 and the lower guide bar 72, the locking member includes a locking bolt 83 and a locking nut 84, the locking bolt 83 penetrates through protruding ends of the upper arc block 81 and the lower arc block 82, and the locking nut 84 is mounted at a tail portion of the locking bolt 83.

Will lead positive piece 5 to the regulation removal of elastic component 6 direction, make the width of leading positive piece 5 interval adaptation of both sides lead positive paper web 4, then install last arc piece 81 and lower arc piece 82 on leading the last guide arm 71 and the lower guide arm 72 of positive piece 5 one side that deviates from elastic component 6, and screw up locking bolt 83 and lock nut 84, make and remove cover 73 and receive the spacing conflict of last arc piece 81 and lower arc piece 82, lead positive piece 5 and can only be toward moving outward and can not cross adjusting part 8 and be close to each other and remove, thereby make lead positive piece 5 can carry out the adaptation through adjusting part 8 according to the paper web 4 of the width of difference and lead just.

In order to facilitate the position adjustment of the correcting sheet 5 by an operator, the scale marks 74 are arranged on the peripheries of the upper guide rod 71 and the lower guide rod 72, so that the operator can be assisted to symmetrically adjust the moving sleeve 73 by taking the scale marks 74 as reference, and the correcting sheet 5 can be more fit with the width of the paper web 4 for position correction.

The above are all preferred embodiments of the present application, and the present embodiment is only explained for the present application, and the protection scope of the present application is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A papermaking press mechanism for improving pressure stability, comprising a frame (1), characterized by comprising: an upper roller (2) and a lower roller (3) which are arranged on the frame (1); an upper blanket (22) and a lower blanket (32) arranged between the upper roller (2) and the lower roller (3); a first guide roller (21) mounted on the machine frame (1) for carrying the upper felt (22) and a second guide roller (31) for carrying the lower felt (32); a third guide roll (41) mounted on the machine frame (1) for carrying a paper web (4); the paper guide sheets (5) are movably and vertically arranged at two ends of the frame (1) and used for guiding the paper web (4); the elastic piece (6) is arranged on the rack (1) and used for driving the guide sheet (5) to reset on the rack (1); and an adjusting component (8) which is arranged on the frame (1) and is used for adjusting the distance between the guide sheets (5).

2. The papermaking press mechanism with improved pressure stability according to claim 1, characterized in that an upper guide rod (71) and a lower guide rod (72) are horizontally arranged on the frame (1), the upper guide rod (71) is positioned above the paper web (4), the lower guide rod (72) is positioned below the paper web (4), the upper guide rod (71) and the lower guide rod (72) are both slidably sleeved with a moving sleeve (73), and the correcting guide sheet (5) is vertically arranged between the moving sleeves (73).

3. A papermaking press mechanism with improved pressure stability according to claim 2, characterised in that said adjusting assembly (8) comprises: the locking device comprises an upper arc-shaped block (81) arranged on the upper guide rod (71) and the lower guide rod (72), a lower arc-shaped block (82) matched with the upper arc-shaped block (81), and a locking piece used for locking the upper arc-shaped block (81) and the lower arc-shaped block (82), wherein the upper arc-shaped block (81) and the lower arc-shaped block (82) are positioned at the side ends, close to each other, of the moving sleeve (73).

4. A papermaking press mechanism with improved pressure stability as set forth in claim 3, wherein said locking element comprises: the locking bolt (83) penetrates through the protruding ends of the upper arc-shaped block (81) and the lower arc-shaped block (82), and the locking nut (84) is assembled at the tail part of the locking bolt (83).

5. The papermaking press mechanism with improved pressure stability as claimed in claim 3, characterized in that the inner sides of the upper arc-shaped block (81) and the lower arc-shaped block (82) are provided with rubber pads (85).

6. The papermaking press mechanism with improved pressure stability as set forth in claim 2, characterized in that balls (731) are disposed between the contact surfaces of the moving sleeve (73) and the upper guide bar (71) and the lower guide bar (72).

7. The papermaking press mechanism with improved pressure stability as claimed in claim 2, wherein the upper guide bar (71) and the lower guide bar (72) are provided with scale marks (74) on the periphery.

8. The papermaking press mechanism with improved pressure stability according to claim 1, characterized in that the side of the correcting sheet close to the paper web (4) is provided with two limiting strips (51), and the paper web (4) passes through the gap between the two limiting strips (51).