A headbox angle adjustment mechanism for a paper machine

Abstract

The utility model discloses a headbox angle adjustment mechanism for a papermaking machine, comprising a mounting base plate and a headbox body, wherein a lower hinge seat 1 is fixedly arranged on the top of the mounting base plate, a lower connecting rod is hingedly arranged inside the lower hinge seat 1, an electric push rod is fixedly arranged on the top of the lower connecting rod, an upper connecting rod is fixedly arranged on the output end of the electric push rod, and an upper hinge seat 1 is hingedly arranged on the surface of the upper connecting rod. The upper connecting rod is pushed upward by the electric push rod, so that the upper connecting rod pushes the headbox body through the upper hinge seat 1, so that the headbox body is turned over by the mounting assembly, and the turning over of the headbox body is assisted by the auxiliary connection assembly, so as to facilitate the adjustment of the angle of the headbox body, that is, the pulp falling position of the headbox body can be changed, and the requirements of different tensile strength performances in the vertical and horizontal directions of the paper can be achieved by controlling the pulp falling point position of the headbox body.

Description

Technical Field

[0001] The utility model relates to the technical field of papermaking equipment, in particular to a headbox angle adjustment mechanism for a papermaking machine. Background Art

[0002] Papermaking machine is a general term for a complete set of equipment that makes pulp form paper webs, including main machines such as headbox, wire section, press section, drying section, calender, paper reel and transmission section, and auxiliary systems such as steam, water, vacuum, lubrication and heat recovery. The headbox is one of the important equipment in the papermaking machine. Its structure and performance play a decisive role in the formation of paper sheets and the quality of paper. The headbox can generate turbulence due to its internal structure, which can effectively disperse fibers to prevent fiber precipitation and re-flocculation, and improve the strength and cloth of paper sheets. Therefore, the effect and flow rate of turbulence affect the quality of paper made by the papermaking machine. Conversely, different turbulent flow rates are suitable for producing different types of paper.

[0003] When the headbox of an existing general papermaking machine is in operation, the position of the pulp landing point is mostly fixed, and it is difficult to adjust the position of the pulp landing point. It cannot adjust the longitudinal and transverse strength of the paper sheet, and cannot meet the strength requirements of the finished paper in various occasions of the market. Therefore, a headbox angle adjustment mechanism for a papermaking machine is proposed. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a headbox angle adjustment mechanism for a papermaking machine, which is used to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A headbox angle adjustment mechanism for a papermaking machine comprises a mounting base and a headbox body, wherein a lower hinged seat 1 is fixedly provided on the top of the mounting base, a lower connecting rod is hingedly provided inside the lower hinged seat 1, an electric push rod is fixedly provided on the top of the lower connecting rod, an upper connecting rod is fixedly provided on the output end of the electric push rod, an upper hinged seat 1 is hingedly provided on the surface of the upper connecting rod, the upper hinged seat 1 is fixedly installed on the headbox body, an auxiliary connecting component for assisting the headbox body in flipping adjustment is provided on the top of the mounting base, and a mounting component is provided between the bottom of the mounting base and the top of the mounting base.

[0007] Preferably, the auxiliary connecting assembly includes a second lower articulated seat, which is fixedly mounted on the top of the mounting base plate, a mounting rod is hingedly arranged inside the second lower articulated seat, a mounting sleeve is fixedly arranged on the top of the mounting rod, a sliding plate is slidably arranged inside the mounting sleeve, a spring is fixedly arranged at the bottom of the sliding plate, the bottom end of the spring is fixedly mounted on the lower side wall of the mounting sleeve, a sliding rod is fixedly arranged on the top of the sliding plate, a limiting ring is slidably arranged on the surface of the sliding rod, the limiting ring is fixedly mounted inside the mounting sleeve, an upper articulated seat is hingedly arranged on the surface of the sliding rod, and the upper articulated seat is fixedly mounted on the flow box body.

[0008] Preferably, the mounting assembly includes a fixed block, which is fixedly mounted on the bottom of the flow box body, a rotating rod is fixedly arranged inside the fixed block, a mounting bearing is installed on the surface of the rotating rod, the inner ring of the mounting bearing is connected to the rotating rod, a bearing seat is fixedly arranged on the outer ring of the mounting bearing, the bearing seat is fixedly mounted on the top of the mounting base plate, a support block is overlapped on the surface of the fixed block, and the support block is fixedly mounted on the top of the mounting base plate.

[0009] Preferably, the lower connecting rod and the upper connecting rod have the same specifications, and the lower connecting rod and the upper connecting rod are both made of metal.

[0010] Preferably, the number of the mounting sleeves is two, and the two mounting sleeves are symmetrically distributed, the mounting sleeves are circular in shape, and the mounting sleeves are made of metal.

[0011] Preferably, the number of the fixing blocks and the number of the supporting blocks are both two, and the two fixing blocks and the two supporting blocks are symmetrically distributed, the bottom of the fixing block is semicircular, and the top of the supporting block is provided with a connecting groove adapted to the fixing block.

[0012] Preferably, the rotating rod has a circular structure and is made of metal.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the headbox angle adjustment mechanism for a papermaking machine pushes the upper connecting rod to move upward through an electric push rod, so that the upper connecting rod pushes the headbox body through an upper hinge seat, so that the headbox body is flipped through the mounting assembly, and the flipping of the headbox body is assisted by the auxiliary connecting assembly, so that it is convenient to adjust the angle of the headbox body, that is, to change the pulp drop position of the headbox body, and by controlling the pulp drop point position of the headbox body, the requirements of different tensile strength performances in the longitudinal and transverse directions of the formed paper are achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 This is a bottom view of the local structure of the utility model;

[0016] Figure 3 It is another partial structural schematic diagram of the utility model structure;

[0017] Figure 4 This is a schematic diagram of the structure of the auxiliary connection component of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure installation component of the utility model.

[0019] In the figure: 1. Install the base plate; 2. Lower hinge seat 1; 3. Lower connecting rod; 4. Electric push rod; 5. Upper connecting rod; 6. Upper hinge seat 1; 7. Lower hinge seat 2; 8. Install rod; 9. Install sleeve; 10. Sliding plate; 11. Spring; 12. Sliding rod; 13. Limiting ring; 14. Upper hinge seat 2; 15. Flow box body; 16. Fixed block; 17. Rotating rod; 18. Install bearing; 19. Bearing seat; 20. Support block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Reference Figure 1-5A headbox angle adjustment mechanism for a papermaking machine comprises a mounting base plate 1 and a headbox body 15, a lower hinge seat 2 is fixedly arranged on the top of the mounting base plate 1, a lower connecting rod 3 is hingedly arranged inside the lower hinge seat 2, an electric push rod 4 is fixedly arranged on the top of the lower connecting rod 3, an upper connecting rod 5 is fixedly arranged on the output end of the electric push rod 4, the lower connecting rod 3 and the upper connecting rod 5 have the same specifications, the lower connecting rod 3 and the upper connecting rod 5 are both made of metal, the arrangement of the lower connecting rod 3 and the upper connecting rod 5 made of metal prevents the lower connecting rod 3 and the upper connecting rod 5 from breaking, an upper hinge seat 6 is hingedly arranged on the surface of the upper connecting rod 5, the upper hinge seat 6 is fixedly installed on the headbox body 15, and an auxiliary connecting component is arranged on the top of the mounting base plate 1 to assist the headbox body 15 in flipping and adjusting The auxiliary connection component includes a lower hinge seat 7, which is fixedly mounted on the top of the mounting base plate 1. A mounting rod 8 is hingedly arranged inside the lower hinge seat 7. A mounting sleeve 9 is fixedly arranged on the top of the mounting rod 8. A sliding plate 10 is slidably arranged inside the mounting sleeve 9. A spring 11 is fixedly arranged at the bottom of the sliding plate 10. The bottom end of the spring 11 is fixedly mounted on the lower side wall of the mounting sleeve 9. A sliding rod 12 is fixedly arranged on the top of the sliding plate 10. A limit ring 13 is slidably arranged on the surface of the sliding rod 12. The limit ring 13 is fixedly mounted inside the mounting sleeve 9. There are two mounting sleeves 9, and the two mounting sleeves 9 are symmetrically distributed. The mounting sleeve 9 is circular and has a structure. The mounting sleeve 9 is made of metal material. Through the setting of the two mounting sleeves 9, Two sliding plates 10, two springs 11, two sliding rods 12 and two limiting rings 13 are installed to provide pulling force on both sides of the headbox body 15. The surface of the sliding rod 12 is hingedly provided with an upper hinge seat 2 14, and the upper hinge seat 2 14 is fixedly installed on the headbox body 15. When the headbox body 15 is turned over, the headbox body 15 drives the sliding rod 12 to slide out of the installation sleeve 9 through the upper hinge seat 2 14, so that the sliding rod 12 drives the sliding plate 10 to push the spring 11 to stretch, thereby assisting the headbox body 15 to turn over. When the lower connecting rod 3 and the upper connecting rod 5 are broken, when the headbox body 15 turns forward under the action of gravity, the upper hinge seat 2 14 pushes the sliding plate 10 to compress the spring 11 through the sliding rod 12. The sliding plate 10 is pushed by the spring 11 for support, so that the sliding rod 12 supports the pulp box body 15 through the upper hinge seat 14. When the pulp box body 15 flips to the rear side under the action of its own gravity, the upper hinge seat 14 drives the sliding plate 10 to stretch the spring 11 through the sliding rod 12. The sliding plate 10 is pulled by the spring 11, so that the sliding rod 12 pulls the pulp box body 15 through the upper hinge seat 14, thereby avoiding the pulp box body 15 from being bumped. An installation component is provided between the bottom of the installation base plate 1 and the top of the installation base plate 1. The upper connecting rod 5 is pushed upward by the electric push rod 4, so that the upper connecting rod 5 pushes the pulp box body 15 through the upper hinge seat 16, so that the pulp box body 15 is flipped through the installation component.At the same time, the auxiliary connection assembly assists the flipping of the headbox body 15, so as to facilitate the adjustment of the angle of the headbox body 15, and change the pulp drop position of the headbox body 15. By controlling the pulp drop point position of the headbox body 15, the requirements of different tensile strength performances in the vertical and horizontal directions of the paper can be achieved.

[0022] Specifically, the mounting assembly includes a fixed block 16, which is fixedly mounted on the bottom of the flow box body 15, a rotating rod 17 is fixedly arranged inside the fixed block 16, a mounting bearing 18 is mounted on the surface of the rotating rod 17, the inner ring of the mounting bearing 18 is connected to the rotating rod 17, the rotating rod 17 is a circular structure, the rotating rod 17 is made of metal, the circular rotating rod 17 made of metal makes the rotating rod 17 stronger, and makes the rotating rod 17 less prone to deformation and fracture, the outer ring of the mounting bearing 18 is fixedly provided with a bearing seat 19, the bearing seat 19 is fixedly mounted on the top of the mounting base plate 1, the surface of the fixed block 16 is overlapped with a supporting block 20, the number of the fixed block 16 and the supporting block 20 are both two, and the two fixed blocks 16 and the two supporting blocks 20 are symmetrically distributed, fixed The bottom of the block 16 is semicircular, and a connecting groove adapted to the fixed block 16 is provided on the top of the support block 20. The two fixed blocks 16 and the support block 20 are arranged to make the headbox body 15 more firmly installed, thereby avoiding shaking during the flipping of the headbox body 15. The support block 20 is fixedly installed on the top of the mounting base plate 1, and the rotating rod 17 is installed inside the bearing seat 19 by installing the bearing 18, so that the fixed block 16 contacts the support block 20. When the headbox body 15 flips, the rotating rod 17 is driven by the fixed block 16 to rotate inside the bearing seat 19 through the installed bearing 18, thereby assisting the flipping of the headbox body 15, and the fixed block 16 is formed by the support block 20 to reduce the force on the rotating rod 17, so that the rotating rod 17 will not be deformed.

[0023] The headbox angle adjustment mechanism for a paper machine is connected to a 220V mains power supply, and the main controller can be a conventional known device such as a computer for control.

[0024] When in use: when it is necessary to adjust the pulp drop position of the headbox body 15, the output end is extended by the electric push rod 4, so that the electric push rod 4 pushes the upper connecting rod 5 to move upward, and the upper articulated seat 6 is pushed upward by the upper connecting rod 5, so that the lower articulated seat 2 and the lower connecting rod 3 rotate relative to each other, and the upper connecting rod 5 and the upper articulated seat 6 rotate relative to each other, so that the electric push rod 4 is flipped, so that the upper articulated seat 6 pushes the headbox body 15 to flip, and the headbox body 15 drives the fixed block 16 to flip, and the fixed block 16 drives the rotating rod 17 to rotate through The mounting bearing 18 rotates inside the bearing seat 19, and at the same time, the slurry box body 15 drives the sliding rod 12 to slide out of the mounting sleeve 9 through the upper hinge seat 14, so that the sliding rod 12 drives the sliding plate 10 to slide inside the mounting sleeve 9, so that the sliding plate 10 stretches the spring 11, so that the mounting rod 8 and the lower hinge seat 7 rotate relative to each other, and the limit ring 13 and the upper hinge seat 14 rotate relative to each other, so that the mounting sleeve 9 and the sliding rod 12 flip over, and the angle of the slurry box body 15 can be adjusted, thereby changing the slurry drop position of the slurry box body 15.

[0025] In summary, the headbox angle adjustment mechanism for a papermaking machine pushes the upper connecting rod 5 to move upward through the electric push rod 4, so that the upper connecting rod 5 pushes the headbox body 15 through the upper hinge seat 6, so that the headbox body 15 is turned over by the mounting assembly, and the turning of the headbox body 15 is assisted by the auxiliary connecting assembly, so as to facilitate the adjustment of the angle of the headbox body 15, that is, the pulp landing position of the headbox body 15 can be changed, and the requirements of different tensile strength performances in the longitudinal and transverse directions of the paper can be achieved by controlling the pulp landing point position of the headbox body 15, so as to solve the problems raised in the above-mentioned background technology.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A headbox angle adjustment mechanism for a paper machine, comprising a mounting base (1) and a headbox body (15), characterized in that: A lower hinged seat (2) is fixedly provided on the top of the installation base plate (1), a lower connecting rod (3) is hingedly provided inside the lower hinged seat (2), an electric push rod (4) is fixedly provided on the top of the lower connecting rod (3), an upper connecting rod (5) is fixedly provided on the output end of the electric push rod (4), an upper hinged seat (6) is hingedly provided on the surface of the upper connecting rod (5), the upper hinged seat (6) is fixedly installed on the flow box body (15), an auxiliary connecting component is provided on the top of the installation base plate (1) to facilitate the turning adjustment of the flow box body (15), and a mounting component is provided between the bottom of the installation base plate (1) and the top of the installation base plate (1).

2. A headbox angle adjustment mechanism for a papermaking machine according to claim 1, characterized in that: The auxiliary connection assembly comprises a lower hinge seat 2 (7), wherein the lower hinge seat 2 (7) is fixedly mounted on the top of the mounting base plate (1), a mounting rod (8) is hingedly arranged inside the lower hinge seat 2 (7), a mounting sleeve (9) is fixedly arranged on the top of the mounting rod (8), a sliding plate (10) is slidably arranged inside the mounting sleeve (9), a spring (11) is fixedly arranged at the bottom of the sliding plate (10), the bottom end of the spring (11) is fixedly mounted on the lower side wall of the mounting sleeve (9), a sliding rod (12) is fixedly arranged on the top of the sliding plate (10), a limit ring (13) is slidably arranged on the surface of the sliding rod (12), and the limit ring (13) is fixedly mounted inside the mounting sleeve (9), an upper hinge seat 2 (14) is hingedly arranged on the surface of the sliding rod (12), and the upper hinge seat 2 (14) is fixedly mounted on the flow box body (15).

3. The headbox angle adjustment mechanism for a papermaking machine according to claim 1, characterized in that: The mounting assembly comprises a fixed block (16), wherein the fixed block (16) is fixedly mounted on the bottom of a flow box body (15), a rotating rod (17) is fixedly arranged inside the fixed block (16), a mounting bearing (18) is mounted on the surface of the rotating rod (17), an inner ring of the mounting bearing (18) is connected to the rotating rod (17), a bearing seat (19) is fixedly arranged on the outer ring of the mounting bearing (18), and the bearing seat (19) is fixedly mounted on the top of the mounting base plate (1), and a supporting block (20) is overlapped on the surface of the fixed block (16), and the supporting block (20) is fixedly mounted on the top of the mounting base plate (1).

4. The headbox angle adjustment mechanism for a papermaking machine according to claim 1, characterized in that: The lower connecting rod (3) and the upper connecting rod (5) have the same specifications, and the lower connecting rod (3) and the upper connecting rod (5) are both made of metal material.

5. The headbox angle adjustment mechanism for a papermaking machine according to claim 2, characterized in that: The number of the mounting sleeves (9) is two, and the two mounting sleeves (9) are symmetrically distributed. The mounting sleeves (9) are circular and made of metal.

6. The headbox angle adjustment mechanism for a papermaking machine according to claim 3, characterized in that: The number of the fixing blocks (16) and the number of the supporting blocks (20) are both two, and the two fixing blocks (16) and the two supporting blocks (20) are symmetrically distributed; the bottom of the fixing block (16) is semicircular, and the top of the supporting block (20) is provided with a connecting groove that matches the fixing block (16).

7. The headbox angle adjustment mechanism for a paper machine according to claim 3, characterized in that: The rotating rod (17) has a circular structure and is made of metal.

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