A paper machine with adjustable press rolls

Abstract

This utility model discloses a paper machine with adjustable pressure rollers, comprising a base, a fixed seat fixedly connected to the upper end of the base, a lifting seat fixedly connected to the upper end of the fixed seat, a first sliding groove opened inside the lifting seat, a lifting plate slidably connected inside the first sliding groove, a movable seat fixedly connected to the lower end of the lifting plate, a second sliding groove opened inside the movable seat, a movable plate slidably connected inside the second sliding groove, a fourth motor fixedly connected to one side of the movable plate, a first roller fixedly connected to the output end of the fourth motor, a limit rod fixedly connected inside the movable seat, and the limit rod slidably connected to the movable plate. This structure reduces downtime for adjustments, improves production efficiency, reduces component wear caused by fixed structures, extends equipment lifespan, avoids damage to components from forced disassembly, reduces equipment downtime, and improves overall operation and maintenance efficiency.

Description

Technical Field

[0001] This utility model relates to the field of papermaking machine technology, and in particular to a papermaking machine with adjustable pressure rollers. Background Technology

[0002] Adjustable press roll paper machines are a type of equipment that optimizes the paper pressing process. Their core feature is the flexible adjustment of parameters on the press rolls. Through manual or electric control, the pressure, spacing, and parallelism of the press rolls can be precisely adjusted to adapt to different raw materials such as wood pulp and straw pulp, and to meet the production needs of different paper sizes, including thin sheets and cardboard. This adjustment ensures uniform pressure on the paper web, reduces paper breaks, and improves the density, smoothness, and strength of the finished paper. It also enhances production flexibility, helping production lines efficiently produce diverse, high-quality paper products, and is widely used in mid-to-high-end paper manufacturing scenarios.

[0003] Traditional paper machine rollers are mostly fixed structures, which cannot move flexibly up and down or left and right. They can only be used for the production of a single type of paper, resulting in poor compatibility. If production parameters need to be adjusted, the equipment must be disassembled and mechanically modified, which is cumbersome and time-consuming, and can easily lead to production interruptions. The fixed structure is also prone to uneven stress on the paper due to roller misalignment and non-adjustable spacing, resulting in a high scrap rate. Furthermore, long-term fixed operation will aggravate wear and tear on local components, increasing maintenance costs and the risk of equipment failure. Utility Model Content

[0004] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art, and to provide a paper machine with adjustable pressure rollers. This solves the problem that when replacing the rotating rod and rollers of traditional paper machines, it is often necessary to disassemble multiple fixed structures with special tools. The steps are cumbersome and time-consuming. During operation, forced disassembly can easily damage the parts, increasing maintenance costs. In addition, it requires high skills from personnel. The disassembly and assembly process is too long, which will greatly extend the equipment downtime and affect the production progress.

[0005] This utility model also provides a paper machine with an adjustable pressure roller as described above, including a base, a fixed seat fixedly connected to the upper end of the base, a lifting seat fixedly connected to the upper end of the fixed seat, a first sliding groove opened inside the lifting seat, a lifting plate slidably connected inside the first sliding groove, a movable seat fixedly connected to the lower end of the lifting plate, a second sliding groove opened inside the movable seat, a movable plate slidably connected inside the second sliding groove, a fourth motor fixedly connected to one side of the movable plate, a first roller fixedly connected to the output end of the fourth motor, a limit rod fixedly connected inside the movable seat, and the limit rod slidably connected to the movable plate on its outer surface.

[0006] According to the present invention, a paper machine with adjustable pressure rollers is provided, wherein a No. 3 motor is fixedly connected to one side of the fixed base, and a fixed rod is fixedly connected to the output end of the No. 3 motor.

[0007] According to the present invention, a paper machine with adjustable pressure rollers is provided, wherein a first placement groove is provided inside the fixed rod, a limiting block is embedded inside the first placement groove, a rotating rod is fixedly connected to the upper end of the limiting block, and a second roller is fixedly connected to the upper end of the rotating rod.

[0008] According to the present invention, a paper machine with adjustable pressure rollers is provided, wherein a first threaded rod is threadedly connected inside the lifting plate, and a second motor is fixedly connected to the upper end of the first threaded rod, and the second motor is fixedly connected to the lifting base.

[0009] According to the present invention, a paper machine with adjustable pressure rollers is provided, wherein a second threaded rod is threadedly connected inside the moving plate, a first motor is fixedly connected to one side of the second threaded rod, and the first motor is fixedly connected to the moving base.

[0010] According to the present invention, a paper machine with adjustable pressure rollers is provided in which a second placement groove is provided inside the fixed rod, a connecting rod is movably fitted inside the second placement groove, a pressure plate is fixedly connected to one side of the connecting rod, a movable pin is fixedly connected to the other side of the connecting rod, and a first spring is movably fitted on the outer surface of the connecting rod.

[0011] According to the present invention, a paper machine with adjustable pressure rollers is provided in which a third placement groove is provided inside the rotating rod, a sleeve is fixedly connected inside the third placement groove, a telescopic rod is movably fitted inside the sleeve, a second spring is movably fitted outside the sleeve, and a top pin is fixedly connected to the other side of the telescopic rod.

[0012] Beneficial effects: 1. The rollers move up and down and left and right via motor drive, which can flexibly adapt to the production needs of paper of different thicknesses and materials. The adjustment process does not require disassembling the equipment. It can quickly and accurately adjust the roller spacing and alignment, avoiding problems such as wrinkles and breakage of paper due to uneven force, significantly improving the flatness and consistency of finished products. The flexible movement function allows the equipment to be dynamically optimized according to production parameters, reducing downtime for adjustment, improving production efficiency, and also reducing component wear caused by fixed structure, extending the service life of the equipment.

[0013] 2. When replacing, simply press the pressure plate to overcome the spring force, which will cause the moving pin to disengage from the top pin. When installing, insert the limit block and release the pressure plate, and the spring will automatically reset to achieve a tight fit between the components. No complicated tools are required throughout the process, which greatly simplifies the operation process, shortens the disassembly and assembly time, reduces the difficulty of operation for personnel, avoids damage to components caused by forced disassembly, reduces equipment downtime, and improves overall operation and maintenance efficiency. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments; Figure 1This is a perspective view of a papermaking machine with adjustable pressure rollers according to the present invention. Figure 2 This is a cross-sectional view of a paper machine fixing rod with adjustable pressure rollers proposed in this utility model; Figure 3 This is a cross-sectional view of a paper machine fixing rod with adjustable pressure rollers proposed in this utility model; Figure 4 The present utility model proposes Figure 1 Enlarged view of point A in the middle; Figure 5 The present utility model proposes Figure 2 Enlarged view of point B in the middle.

[0015] Legend: 1. No. 1 slide groove; 2. Lifting plate; 3. No. 1 roller; 4. No. 2 roller; 5. Base; 6. Fixed seat; 7. No. 1 motor; 8. Lifting seat; 9. No. 1 threaded rod; 10. No. 2 motor; 11. Moving seat; 12. No. 3 motor; 13. Limiting block; 14. No. 1 placement slot; 15. Top pin; 16. Rotating rod; 17. Moving plate; 18. Limiting rod; 19. No. 4 motor; 20. No. 2 threaded rod; 21. No. 2 slide groove; 22. Fixed rod; 23. Pressure plate; 24. Connecting rod; 25. No. 2 placement slot; 26. Moving pin; 27. No. 1 spring; 28. Sleeve; 29. ​​No. 3 placement slot; 30. No. 2 spring; 31. Telescopic rod. Detailed Implementation

[0016] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0017] Reference Figure 1-5 This utility model discloses a paper machine with adjustable pressure rollers, which includes a base 5, a fixed seat 6 fixedly connected to the upper end of the base 5, a lifting seat 8 fixedly connected to the upper end of the fixed seat 6, a first slide groove 1 opened inside the lifting seat 8, a lifting plate 2 slidably connected inside the first slide groove 1, a movable seat 11 fixedly connected to the lower end of the lifting plate 2, a second slide groove 21 opened inside the movable seat 11, a movable plate 17 slidably connected inside the second slide groove 21, a fourth motor 19 fixedly connected to one side of the movable plate 17, a first roller 3 fixedly connected to the output end of the fourth motor 19, a limit rod 18 fixedly connected inside the movable seat 11, and the limit rod 18 slidably connected to the movable plate 17 on its outer surface.

[0018] Specifically, the fixed seat 6 can support the lifting seat 8, the first slide groove 1 and the lifting plate 2 can slide together to achieve vertical movement, the second slide groove 21 and the moving plate 17 can slide together, and with the guidance of the limit rod 18, they can achieve horizontal movement, and the fourth motor 19 can drive the first roller 3 to rotate.

[0019] A No. 3 motor 12 is fixedly connected to one side of the fixed base 6, and a fixed rod 22 is fixedly connected to the output end of the No. 3 motor 12.

[0020] Specifically, the output of motor 12 provides rotation for the fixed rod 22.

[0021] The fixed rod 22 has a first placement groove 14 inside, and a limit block 13 is embedded inside the first placement groove 14. A rotating rod 16 is fixedly connected to the upper end of the limit block 13, and a second roller 4 is fixedly connected to the upper end of the rotating rod 16.

[0022] Specifically, the limiting block 13 restricts the radial displacement of the rotating rod 16 to ensure stable rotation of the rotating rod 16. The rotation of the fixed rod 22 drives the rotating rod 16 to rotate, thereby realizing the operation of the second roller 4, which works in conjunction with the first roller 3 to complete the paper pressing process.

[0023] The lifting plate 2 has a threaded rod 9 inside, and a motor 10 is fixedly connected to the upper end of the threaded rod 9. The motor 10 is fixedly connected to the lifting seat 8.

[0024] Specifically, motor 10 can drive threaded rod 9 to rotate, while lifting plate 2 is restricted from rotating by sliding groove 1 and will move up and down along the axis of threaded rod 9.

[0025] The movable plate 17 has a threaded connection to a No. 2 threaded rod 20 inside. A No. 1 motor 7 is fixedly connected to one side of the No. 2 threaded rod 20. The No. 1 motor 7 is fixedly connected to the movable base 11.

[0026] Specifically, motor 7 can drive threaded rod 20 to rotate, and moving plate 17 is guided and restricted by positioning rod 18, moving horizontally in a straight line along sliding groove 21.

[0027] The fixed rod 22 has a second placement slot 25 inside, and a connecting rod 24 is movably fitted inside the second placement slot 25. A pressure plate 23 is fixedly connected to one side of the connecting rod 24, and a moving pin 26 is fixedly connected to the other side of the connecting rod 24. A first spring 27 is movably fitted on the outer surface of the connecting rod 24.

[0028] Specifically, the second placement slot 25 can better install the connecting rod 24, the first spring 27 can push the pressure plate 23 to one side, and the movement of the moving pin 26 can push the top pin 15 to move.

[0029] The rotating rod 16 has a No. 3 placement slot 29 inside, and a sleeve 28 is fixedly connected inside the No. 3 placement slot 29. A telescopic rod 31 is movably fitted inside the sleeve 28, and a No. 2 spring 30 is movably fitted outside the sleeve 28. A top pin 15 is fixedly connected to the other side of the telescopic rod 31.

[0030] Specifically, the third placement slot 29 can better fix the sleeve 28, the second spring 30 pushes the telescopic rod 31 and the top pin 15, and the second spring 30 always pushes the top pin 15 to one side.

[0031] Working principle: During horizontal adjustment, motor 7 drives threaded rod 20 to rotate. The moving plate 17, guided by the limiting rod 18, moves horizontally along the sliding groove 21, driving motor 19 and roller 3 to adjust their horizontal position. During vertical adjustment, motor 10 drives threaded rod 9 to rotate. The lifting plate 2, restricted by sliding groove 1, cannot rotate but moves axially up and down along threaded rod 9, driving moving seat 11 and roller 3 to adjust their vertical position, thus adjusting the distance between it and roller 4. During pressing, motor 12 drives fixed rod 22 to rotate, driving rotating rod 16 and roller 4 to rotate via limiting block 13 in placement groove 14. Simultaneously, motor 19 drives roller 3 to rotate. The two work together to complete the paper pressing process. When the pressing process of the rotating rod 16 and the second roller 4 need to be disassembled and replaced, simply press the pressure plate 23 at the other end of the connecting rod 24 into the inner side of the second placement groove 25 to overcome the elastic force of the first spring 27, drive the moving pin 26 to move inward and disengage from the top pin 15. At this time, the top pin 15 retracts into the third placement groove 29 with the telescopic rod 31 under the action of the rebound force of the second spring 30. The rotating rod 16 loses its radial constraint and can be directly taken out from the first placement groove 14 of the fixed rod 22. During installation, the limiting block 13 of the rotating rod 16 is inserted into the first placement groove 14, the pressure plate 23 is released, the first spring 27 and the second spring 30 automatically reset, push the moving pin 26 to re-engage tightly with the top pin 15, and complete the fixation. The whole process does not require additional tools, realizing quick disassembly and replacement.

[0032] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A paper machine with adjustable press rolls, comprising a base (5), characterised in that: The base (5) is fixedly connected to a fixed seat (6) at its upper end. The fixed seat (6) is fixedly connected to a lifting seat (8) at its upper end. The lifting seat (8) has a first sliding groove (1) inside. The first sliding groove (1) is slidably connected to a lifting plate (2) inside. The lower end of the lifting plate (2) is fixedly connected to a movable seat (11). The movable seat (11) has a second sliding groove (21) inside. The second sliding groove (21) is slidably connected to a movable plate (17) inside. The movable plate (17) is fixedly connected to a fourth motor (19) on one side. The output end of the fourth motor (19) is fixedly connected to a first roller (3). The movable seat (11) is fixedly connected to a limit rod (18) inside. The limit rod (18) is slidably connected to the movable plate (17) on its outer surface.

2. A paper machine with adjustable press rolls according to claim 1, characterized in that A No. 3 motor (12) is fixedly connected to one side of the fixed base (6), and a fixed rod (22) is fixedly connected to the output end of the No. 3 motor (12).

3. A papermaking machine with adjustable pressure rollers according to claim 2, characterized in that, The fixed rod (22) has a first placement slot (14) inside, and a limiting block (13) is fitted inside the first placement slot (14). A rotating rod (16) is fixedly connected to the upper end of the limiting block (13), and a second roller (4) is fixedly connected to the upper end of the rotating rod (16).

4. A papermaking machine with adjustable pressure rollers according to claim 1, characterized in that, The lifting plate (2) is internally threaded with a first threaded rod (9), and the upper end of the first threaded rod (9) is fixedly connected to a second motor (10), which is fixedly connected to the lifting seat (8).

5. A papermaking machine with adjustable pressure rollers according to claim 1, characterized in that, The movable plate (17) is internally threaded with a No. 2 threaded rod (20), and a No. 1 motor (7) is fixedly connected to one side of the No. 2 threaded rod (20). The No. 1 motor (7) is fixedly connected to the movable base (11).

6. A papermaking machine with adjustable pressure rollers according to claim 2, characterized in that, The fixed rod (22) has a second placement slot (25) inside. A connecting rod (24) is movably fitted inside the second placement slot (25). A pressure plate (23) is fixedly connected to one side of the connecting rod (24), and a moving pin (26) is fixedly connected to the other side of the connecting rod (24). A spring (27) is movably fitted on the outer surface of the connecting rod (24).

7. A papermaking machine with adjustable pressure rollers according to claim 3, characterized in that, The rotating rod (16) has a No. 3 placement slot (29) inside. A sleeve (28) is fixedly connected inside the No. 3 placement slot (29). A telescopic rod (31) is movably fitted inside the sleeve (28). A No. 2 spring (30) is movably fitted outside the sleeve (28). A top pin (15) is fixedly connected to the other side of the telescopic rod (31).

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