CN215518149U - Compression roller adjusting device of paper machine - Google Patents

Abstract

The utility model relates to a compression roller adjusting device of paper machine, it includes the support body, it has the mounting bracket to articulate on the support body, it is connected with down the compression roller to rotate on the mounting bracket, is located it is connected with the compression roller to rotate on the support body of compression roller top down, is located be provided with on the support body of mounting bracket below and be used for the drive down the compression roller along radially being close to or keeping away from the adjustment mechanism of last compression roller. This application has the effect that can effectual improvement compression roller and the pressure between the compression roller down.

Description

Compression roller adjusting device of paper machine

Technical Field

The application relates to the technical field of papermaking equipment, in particular to a compression roller adjusting device of a papermaking machine.

Background

In the paper making process, after paper sheets are dried, the paper sheets are usually required to be pressed flat again to achieve the effect of smoothing the paper sheets.

Currently, in the related art, flattening is usually performed by a calender, and a sheet continuously passes between calender rolls of the calender for the purpose of improving sheet smoothness and gloss, while increasing sheet tightness and improving sheet thickness uniformity.

In view of the above-mentioned related technologies, the inventors believe that the dried paper sheet has a defect of large difference in smoothness between both sides of the paper sheet due to poor calendering effect because the dried paper sheet has low moisture and poor plasticity when calendered by a calender.

SUMMERY OF THE UTILITY MODEL

In order to improve the calendering effect of paper sheets, the application provides a press roll adjusting device of a paper machine.

The application provides a compression roller adjusting device of paper machine adopts following technical scheme:

the utility model provides a compression roller adjusting device of paper machine, includes the support body, it has the mounting bracket to articulate on the support body, it is connected with down the compression roller to rotate on the mounting bracket, is located it is connected with the compression roller to rotate on the support body of compression roller top down, is located be provided with on the support body of mounting bracket below and be used for the drive to press the roller along radially being close to or keeping away from the adjustment mechanism of last compression roller down.

Through adopting above-mentioned technical scheme, pass the paper in the middle of from last compression roller and lower compression roller, then drive the lower compression roller through adjustment mechanism and be close to last compression roller and compress tightly the paper, the paper can have better calendering effect through the cooperation of last compression roller and lower compression roller to adjustment mechanism can provide sufficient calendering pressure.

Preferably, adjustment mechanism includes air spring and air pressure governing system, the air spring sets up on the support body of mounting bracket below, the lower extreme of mounting bracket is contradicted on the air spring, air pressure governing system is used for adjusting the atmospheric pressure of air spring, the air spring is flexible on the support body and drive mounting bracket along radial swing through air pressure governing system's regulation activity.

Through adopting above-mentioned technical scheme, air pressure adjusting system aerifys to the air spring, the inside atmospheric pressure grow of air spring, air spring horizontal stretching, the tensile in-process of air spring is contradicted on the mounting bracket and is driven the continuous radial swing of mounting bracket, and the mounting bracket drives down the continuous compression roller that is close to of compression roller, and when last compression roller and lower compression roller compressed tightly the page, air pressure adjusting system stopped to aerify to the air spring, goes up the compression roller and can keep the state of compressing tightly to the page with lower compression roller.

Preferably, the number of the gas springs is two, and the two gas springs are respectively arranged on the corresponding frame bodies below the two ends of the mounting frame.

Through adopting above-mentioned technical scheme, all set up the air spring through the both ends at the mounting bracket, drive mounting bracket radial rebound that can be better.

Preferably, the frame body that is located two one side that the air spring keeps away from each other all is provided with the installation piece, be provided with the gag lever post that is used for restricting the air spring is tensile on the installation piece.

Through adopting above-mentioned technical scheme, through setting up the gag lever post, when the air spring contradicts the gag lever post, stop to aerifing to the air spring to inject the biggest tensile length of air spring, and then inject the biggest rise distance of holding down roller, avoid holding down the compression roller and go up the compression roller and excessively compress tightly the page, thereby lead to the page to be conquamated.

Preferably, the gas spring is the auto-lock type gas spring, the gas spring is flexible along the horizontal direction, be provided with on the installation piece and be used for driving the drive assembly of gag lever post along the flexible direction round trip movement of gas spring on the installation piece.

Through adopting above-mentioned technical scheme, self-locking type air spring can stop in the optional position of stroke to there is very big locking force after stopping, and the gag lever post can follow the flexible direction round trip movement of air spring through drive assembly's drive, thereby can adjust the biggest rise distance of bottom roller, with this paper of different thickness of adaptation.

Preferably, drive assembly includes screw rod, kicking block, drive block and elastic component, the thread groove has been seted up to installation piece upper surface downwards, screw rod threaded connection is in the thread groove, the storage tank has been seted up downwards to the thread groove tank bottom, the tip extends to and is connected with the kicking block in the storage tank under the screw rod, the kicking block is the setting of circular truncated cone form, the mounting groove has been seted up along the horizontal direction to the lateral wall of storage tank, drive block one end is contradicted on the kicking block, and the other end extends to and is connected with the elastic component in the mounting groove, the elastic component other end is connected at the mounting groove tank bottom, the spout has been seted up along the flexible direction of air spring to one side lateral wall that the installation piece is close to the air spring, the gag lever post is worn to establish the spout and is connected on the drive block and is slided in the spout.

Through adopting above-mentioned technical scheme, twist reverse the screw rod and make the screw rod move up or move down, the drive block can move left or right in the mounting groove through the circular conical surface cooperation with the kicking block to drive the gag lever post along the tensile direction round trip movement of air spring, at the in-process of drive block round trip movement left or right, the drive block can compress the elastic component, when the screw rod resets, the drive block can automatic re-setting under the elastic force effect of elastic component, and then adjusts the biggest tensile elongation of air spring.

Preferably, one end of the driving block, which abuts against the top block, is provided with a matching inclined plane matched with the conical surface of the top block.

By adopting the technical scheme, the screw rod can drive the driving block to move more easily in the up-and-down moving process through the matching of the matching inclined plane on the driving block and the conical surface of the top block.

Preferably, the driving assembly further comprises a telescopic rod, one end of the telescopic rod is connected to the driving block, the other end of the telescopic rod is connected to the bottom of the mounting groove, and the elastic piece is sleeved on the telescopic rod.

Through adopting above-mentioned technical scheme, can make the elasticity of elastic component more stable through setting up the telescopic link to elastic component non-deformable.

Preferably, a pressure gauge is arranged on the gas spring.

Through adopting above-mentioned technical scheme, through setting up the manometer, the staff can be real-time the inside atmospheric pressure of observation air spring, makes the pressure control in the air spring in the specified scope, prevents that equipment superpressure from and the emergence accident.

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

(1) the paper sheets pass through the middle of the upper pressing roller and the lower pressing roller, then the lower pressing roller is driven to be close to the upper pressing roller through the adjusting mechanism and tightly press the paper sheets, the paper sheets can have a better calendering effect through the matching of the upper pressing roller and the lower pressing roller, and the adjusting mechanism can provide enough calendering pressure;

(2) the air pressure adjusting system inflates air springs, air pressure inside the air springs is increased, the air springs are horizontally stretched, the air springs are abutted to the mounting frame and drive the mounting frame to continuously swing in the radial direction in the stretching process, the mounting frame drives the lower compression roller to be continuously close to the upper compression roller, when the upper compression roller and the lower compression roller tightly press paper sheets, the air pressure adjusting system stops inflating the air springs, and the upper compression roller and the lower compression roller can keep the tightly pressing state of the paper sheets;

(3) twist reverse the screw rod and make the screw rod move up or move down, the drive block can move left or right in the mounting groove through the circular conical surface cooperation with the kicking block to drive the gag lever post along the tensile direction round trip movement of air spring, at the in-process of drive block round trip movement left or right, the drive block can compress the elastic component, when the screw rod resets, the drive block can automatic re-setting under the spring action of elastic component, and then adjusts the biggest tensile elongation of air spring.

Drawings

FIG. 1 is a schematic structural diagram of a roll adjustment apparatus according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a mounting block of an embodiment of the present application;

fig. 3 is a vertical sectional view of a mounting block of an embodiment of the present application.

Description of reference numerals: 1. a frame body; 2. an upper compression roller; 3. a mounting frame; 4. a lower pressing roller; 5. a gas spring; 6. an air pressure regulating system; 7. a pressure gauge; 8. mounting blocks; 9. a limiting rod; 10. a screw; 11. a top block; 12. a drive block; 13. an elastic member; 14. a thread groove; 15. a containing groove; 16. mounting grooves; 17. a chute; 18. a mating bevel; 19. a telescopic rod.

Detailed Description

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

The embodiment of the application discloses a press roll adjusting device of a paper machine. Referring to fig. 1, compression roller adjusting device includes support body 1, and the upper end level of support body 1 is rotated and is connected with compression roller 2, and it has mounting bracket 3 to be located to articulate on support body 1 of compression roller 2 below, and the level is rotated and is connected with down compression roller 4 on mounting bracket 3, is provided with adjustment mechanism on the support body 1 that is located mounting bracket 3 below, and adjustment mechanism is used for driving mounting bracket 3 along radially being close to or keeping away from compression roller 2.

Specifically, the adjusting mechanism includes a gas spring 5 and a gas pressure adjusting system 6 for adjusting the gas pressure inside the gas spring 5. The air spring 5 is horizontally arranged on the frame body 1 below the mounting frame 3, the air pressure adjusting system 6 is arranged below the frame body 1, the air spring 5 is movably stretched on the frame body 1 through the inflation and deflation of the air pressure adjusting system 6, and the air spring 5 drives the mounting frame 3 to swing along the radial direction in the stretching process.

Through above-mentioned technical scheme, pass the paper from the gap between last compression roller 2 and the lower compression roller 4, then aerify for gas spring 5 through air pressure governing system 6, the internal pressure grow after gas spring 5 aerifys, and gas spring 5 level is tensile and drive mounting bracket 3 along radial rebound, and lower compression roller 4 is along radial rebound under the drive of mounting bracket 3, and when lower compression roller 4 and last compression roller 2 cooperation compress tightly the paper, stops to aerify the pressurization to gas spring 5. The sheet can be better calendered by the double-roller pressing of the upper pressing roller 2 and the lower pressing roller 4, and the gas spring 5 can provide enough driving force to press the lower pressing roller 4 against the upper pressing roller 2.

In this embodiment, air spring 5 is provided with two, and two air springs 5 set up respectively in 1 both sides of support body that 3 both ends belows of mounting bracket correspond, drives mounting bracket 3 simultaneously through two air springs 5, and drive mounting bracket 3 that can be better is along radial swing.

In order to avoid crushing the paper sheet due to over-hard material of the upper press roll 2 and the lower press roll 4, one of the upper press roll 2 and the lower press roll 4 is a soft roll, and meanwhile, in order to ensure better smoothness after the paper sheet is calendered, one of the upper press roll 2 and the lower press roll 4 is a smooth hard roll, in the embodiment, the lower press roll 4 is a rubber roll, the upper press roll 2 is a chrome-plated hard roll, when the lower press roll 4 and the upper press roll 2 are pressed, the flexible pressing fit is formed between the upper press roll 2 and the chrome-plated hard roll, the damage to the paper sheet is smaller, and the diameter of the upper press roll 2 is larger than that of the lower press roll 4, so that the paper sheet can be pressed more smoothly.

The gas spring 5 is provided with the pressure gauge 7 for measuring the internal pressure of the gas spring 5, and by arranging the pressure gauge 7, a worker can observe the internal pressure of the gas spring 5 in real time, so that the internal pressure of the gas spring 5 is controlled within a specified range, and accidents caused by overpressure of equipment are prevented.

Be located equal level on the support body 1 of one side that two air springs 5 kept away from each other and be provided with installation piece 8, installation piece 8 is close to one side lateral wall of air spring 5 and is provided with gag lever post 9, and gag lever post 9 sets up with installation piece 8 is perpendicular.

Because last compression roller 2 and lower compression roller 4 both need guarantee to compress tightly the press polish effect that the page made the page better, prevent excessively compressing tightly the page again and lead to the page to be conquamated, consequently the tensile distance of air spring 5 will be controlled comparatively accurately, and adjust the tensile distance of air spring 5 through atmospheric pressure and appear inaccurate phenomenon unavoidably, consequently through setting up gag lever post 9, when air spring 5 contradicts gag lever post 9, stop aerifing to air spring 5, thereby restrict the biggest tensile distance of air spring 5, and then restrict the maximum rise distance of lower compression roller 4, make lower compression roller 4 just with the page that compresses tightly of last compression roller 2 moderate degree.

The mounting block 8 is further provided with a driving assembly for driving the limiting rod 9 to move back and forth on the mounting block 8 along the telescopic direction of the gas spring 5.

Referring to fig. 2 and 3, the driving assembly includes a screw 10, a top block 11, a driving block 12, and an elastic member 13. The vertical upwards seted up thread groove 14 in installation piece 8 upper surface, the vertical storage tank 15 of having seted up downwards in thread groove 14 tank bottom, kicking block 11 sets up in storage tank 15, and screw rod 10 screw thread is worn to establish thread groove 14 and the lower tip is fixed on kicking block 11, and kicking block 11 is the setting of circular truncated cone form, and the upper end diameter of kicking block 11 is less than the lower extreme diameter. A mounting groove 16 is horizontally formed in one side wall of the accommodating groove 15 close to the mounting frame 3, one end of the driving block 12 abuts against the top block 11, the other end of the driving block extends into the mounting groove 16 and is fixedly connected with the elastic piece 13, and the other end of the elastic piece 13 is fixed at the bottom of the mounting groove 16. One side wall of the mounting block 8 close to the elastic piece 13 is provided with a sliding groove 17 matched with the limiting rod 9 along the telescopic direction of the gas spring 5, the sliding groove 17 is communicated with a mounting groove 16, the width of the driving block 12 is greater than that of the sliding groove 17, and the limiting rod 9 is connected to the driving block 12 through the sliding groove 17 and slides in the sliding groove 17.

In an initial state, the elastic piece 13 is in a normal state, the screw 10 is twisted upwards, the top block 11 moves upwards under the driving of the screw 10, the driving block 12 moves towards the mounting groove 16 under the action of the conical surface of the top block 11, the elastic piece 13 is compressed, the limiting rod 9 moves towards the direction close to the mounting frame 3 in the sliding groove 17, and the maximum stretching distance of the gas spring 5 is reduced; screw rod 10 is turned round downwards, kicking block 11 moves down under the drive of screw rod 10, elastic component 13 resets gradually, driving block 12 removes to interior storage tank 15 under the conical surface of kicking block 11 and the elastic action of elastic component 13, gag lever post 9 removes to the direction of keeping away from mounting bracket 3 in spout 17, the maximum stretching distance of air spring 5 increases, thereby realized the regulation to the maximum stretching distance of air spring 5, and then adjust the distance between lower compression roller 4 and the last compression roller 2, with this paper that comes the different thickness of adaptation. And the line distance of each time of twisting of the screw 10 is small, so that the moving precision of the limiting rod 9 is higher, and the characteristic that the thickness difference between different paper sheets is small is well adapted.

In this embodiment, the gas spring 5 is a self-locking gas spring 5, the self-locking gas spring 5 can be stopped at any position in the stroke, and has a large locking force after being stopped, and can be well matched with the limiting rod 9 to adjust the maximum stretching distance; the elastic member 13 is a rubber spring having a good elastic force and capable of driving the driving block 12 to move, and in other embodiments, the elastic member 13 may also be a high-strength rubber.

One end of the driving block 12, which abuts against the top block 11, is provided with a matching inclined surface 18 matched with the conical surface of the top block 11, the matching inclined surface 18 is arranged obliquely upwards, and the top block 11 can better drive the driving block 12 to move in the process of moving up and down through the matching of the matching inclined surface 18 and the conical surface of the top block 11; be provided with telescopic link 19 in the mounting groove 16, 19 one ends of telescopic link are fixed and are being extended to the one end in the mounting groove 16 at drive block 12, and the other end is fixed at the 16 tank bottoms of mounting groove, and elastic component 13 cover is established on telescopic link 19, can make elastic component 13's elasticity more stable through setting up telescopic link 19 to elastic component 13 is non-deformable.

The implementation principle of the press roll adjusting device of the paper machine in the embodiment of the application is as follows: the air spring 5 is expanded and contracted by charging and discharging air through the air pressure adjusting system 6, the mounting frame 3 is driven to swing along the radial direction in the expansion and contraction process of the air spring 5, so that the lower compression roller 4 is driven to swing along the radial direction, the lower compression roller 4 and the upper compression roller 2 can be loosened or pressed on paper sheets, the paper sheets can have a better light pressing effect in a double-roller pressing mode, and the air spring 5 has enough driving force to drive the lower compression roller 4 to move; be provided with mobilizable gag lever post 9 on the installation piece 8, can adjust the biggest tensile distance of air spring 5 through gag lever post 9 to adjust the biggest rise distance of bottom roller 4, avoid bottom roller 4 and bottom roller 4 excessively to compress tightly the paper, lead to the paper to be squashed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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 (9)

1. A press roll adjusting device of a paper machine is characterized in that: including support body (1), it has mounting bracket (3) to articulate on support body (1), it is connected with down compression roller (4) to rotate on mounting bracket (3), is located to rotate on support body (1) of compression roller (4) top down and be connected with compression roller (2), be located be provided with on support body (1) of mounting bracket (3) below and be used for driving down compression roller (4) along radially being close to or keeping away from the adjustment mechanism of last compression roller (2).

2. A roll adjusting apparatus for a paper machine according to claim 1, characterized in that: adjustment mechanism includes air spring (5) and pneumatic pressure governing system (6), air spring (5) set up on support body (1) of mounting bracket (3) below, the lower extreme of mounting bracket (3) is contradicted on air spring (5), pneumatic pressure governing system (6) are used for adjusting the atmospheric pressure of air spring (5), air spring (5) are flexible on support body (1) and drive mounting bracket (3) along radial swing through the regulation activity of pneumatic pressure governing system (6).

3. A roll adjusting apparatus for a paper machine according to claim 2, characterized in that: the air springs (5) are arranged in two numbers, and the two air springs (5) are respectively arranged on the corresponding frame bodies (1) below the two ends of the mounting frame (3).

4. A roll adjusting apparatus for a paper machine according to claim 3, characterized in that: the frame body (1) which is positioned on one side, far away from each other, of each of the two air springs (5) is provided with an installation block (8), and the installation block (8) is provided with a limiting rod (9) used for limiting the stretching of the air springs (5).

5. A roll adjusting apparatus for a paper machine according to claim 4, characterized in that: air spring (5) are self-locking air spring (5), air spring (5) are flexible along the horizontal direction, be provided with on installation piece (8) and be used for driving gag lever post (9) along the drive assembly of air spring (5) flexible direction round trip movement on installation piece (8).

6. A roll adjusting apparatus for a paper machine according to claim 5, characterized in that: the drive assembly comprises a screw rod (10), a top block (11), a drive block (12) and an elastic piece (13), a thread groove (14) is formed in the upper surface of the installation block (8) in a downward mode, the screw rod (10) is in threaded connection with the thread groove (14), a storage groove (15) is formed in the bottom of the thread groove (14) in a downward mode, the lower end of the screw rod (10) extends into the storage groove (15) to be connected with the top block (11), the top block (11) is arranged in a cone frustum shape, a mounting groove (16) is formed in the side wall of the storage groove (15) in the horizontal direction, one end of the drive block (12) is abutted to the top block (11), the other end of the drive block extends into the mounting groove (16) to be connected with the elastic piece (13), the other end of the elastic piece (13) is connected to the bottom of the mounting groove (16), a sliding groove (17) is formed in the side wall, close to the air spring (5), of the installation block (8), and extends in the telescopic direction of the air spring (5), the limiting rod (9) penetrates through the sliding groove (17) to be connected to the driving block (12) and slides in the sliding groove (17).

7. A roll adjusting apparatus for a paper machine according to claim 6, wherein: one end of the driving block (12) abutting against the top block (11) is provided with a matching inclined plane (18) matched with the conical surface of the top block (11).

8. A roll adjusting apparatus for a paper machine according to claim 6, wherein: the driving assembly further comprises a telescopic rod (19), one end of the telescopic rod (19) is connected to the driving block (12), the other end of the telescopic rod is connected to the bottom of the mounting groove (16), and the elastic piece (13) is sleeved on the telescopic rod (19).

9. A roll adjusting apparatus for a paper machine according to claim 2, characterized in that: and a pressure gauge (7) is arranged on the gas spring (5).

Images