Adjustable vacuum couch roll for papermaking and control method thereof

Abstract

The invention discloses an adjustable vacuum couch roll for papermaking and a control method thereof.The adjustable vacuum couch roll comprises a roll body used for conducting stable dehydration processing on a paper body in the papermaking process, and a hollow shaft is rotationally connected to the interior of the roll body and used for positioning and fixing the position of the whole roll body; the connecting supports are installed on the two end faces of the hollow shaft through locking hoops connected with the bottom end faces of the connecting supports through bolts. The multi-channel space is formed in the roller body, so that the contact face of the roller body and paper can be subjected to rapid vacuum treatment, the paper on the roller body is tightly attached, the situation that the paper is wrinkled and damaged in the rolling process is prevented, the stability of the paper in the machining process is guaranteed, and the machining efficiency of the paper is improved. And the paper adjusting mechanisms are symmetrically arranged on the two sides of the roller body, so that the contact surfaces of paper with different dewatering requirements and the roller body can be adjusted, and the dewatering effect of the paper and the production efficiency of the papermaking process can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum couch roll application, and in particular to an adjustable vacuum couch roll for papermaking and a control method thereof. Background Art

[0002] The vacuum couch roll is a key component for dehydration in the papermaking machine. It is located at the end of the wet section of the papermaking machine and performs dehydration operations through the vacuum chamber inside it. This equipment uses vacuum suction force to remove moisture from wet paper sheets and increase the dryness of the paper, thereby improving production efficiency and product quality. The vacuum couch roll can not only effectively remove moisture, but also reduce the wear on the forming wire and facilitate paper feeding.

[0003] Existing vacuum rollers for papermaking are generally hollow as a whole, so the internal space of the vacuum roller needs to be vacuumed. Since the internal space of the vacuum roller is large, the working time and power of the vacuum pump are increased, resulting in increased work intensity and energy consumption, and increased papermaking costs and reduced service life of the vacuum pump. At the same time, the vacuum roller cannot conveniently adjust the contact area between the paper and the vacuum roller according to the processing requirements of the paper during operation, thereby reducing the efficiency of the entire papermaking process. Therefore, the present invention proposes an adjustable vacuum roller for papermaking and a control method thereof. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide an adjustable vacuum roller for papermaking and a control method thereof. By arranging a multi-channel space inside the roller body, the contact surface between the roller body and the paper can be quickly vacuumed, so that the paper on the roller body is tightly fitted to prevent the paper from being wrinkled and damaged during the winding process, thereby ensuring the stability of the paper during the processing, and paper adjustment mechanisms are symmetrically arranged on both sides of the roller body, so that the contact surface between the paper and the roller body with different dehydration requirements can be adjusted, thereby improving the dehydration effect of the paper and the production efficiency of the papermaking process.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide an adjustable vacuum roller for papermaking, including a roller body, which is used to stably dehydrate the paper body in the papermaking process, the hollow shaft is rotatably connected to the inside of the roller body, and is used to position and fix the position of the entire roller body, the connecting bracket is installed at the two end positions of the hollow shaft through a locking clamp connected by bolts at its bottom end surface position, and is used to install and fix the adjustment mechanism and auxiliary components on the connecting bracket, the adjustment mechanism is bolted to the bottom of the connecting bracket, and is used to adjust the angle between the roller body and the paper body being processed on both sides thereof, the auxiliary component is detachably installed at the inner top center of the connecting bracket, and is used to detach the paper body at the outer wall of the roller body near the bottom on both sides, and the paper body is respectively attached to the outer wall of the roller body and the adjustment mechanism.

[0006] The present invention is further configured as follows: a plurality of air holes are uniformly opened on the outer wall of the roller body, a plurality of spacer plates are uniformly fixedly connected to the inner wall of the roller body, a sealing inner ring is fixedly connected to the opposite surfaces of the plurality of spacer plates, a sealing end cover is bolted to one end of the roller body, a ventilation end cover is bolted to the other end of the roller body, the sealing end cover and the ventilation end cover are respectively rotatably connected to the outer wall of the hollow shaft through their inner wall bearings, and the end face of the ventilation end cover is bolted to the transmission pulley.

[0007] Through the above technical solution, the transmission pulley can drive the entire roller body to rotate stably on the hollow shaft, and the use of a sealed inner ring and multiple spacer plates can divide each group of pores, making it stable during vacuum treatment and improving the dehydration and adsorption stability effects.

[0008] The present invention is further configured as follows: the plurality of partition plates are distributed alternately with the plurality of air holes, and the partition plates and the sealing inner rings between each other form ventilation ducts, an L-shaped air duct is opened inside the ventilation end cover, and the L-shaped air duct openings located on the side walls of the ventilation end cover are connected to the corresponding ventilation ducts.

[0009] Through the above technical solution, the pores are connected to the L-shaped airway through the ventilation duct formed inside, so that the paper attached to the pores can be adsorbed, fixed and dehydrated during vacuum treatment.

[0010] The present invention is further configured as follows: a through hole is opened on the outer wall of the hollow shaft near the end face, a connecting air sleeve is sleeved on the outer wall of the hollow shaft near the through hole, a shaft end cover is sealed at one end of the hollow shaft, and a vacuum pump is externally connected to the other end of the hollow shaft.

[0011] Through the above technical scheme, it is convenient to utilize the connection between the through hole and the connecting air sleeve, so that when the vacuum treatment is carried out inside, negative pressure can be generated at the corresponding position of the paper, and the end face of the hollow shaft can be sealed under the action of the shaft end cover to prevent air leakage.

[0012] The present invention is further configured as follows: a connecting groove is provided on the outer wall of the connecting air sleeve, the connecting groove is arranged in an arc shape, and is closely connected to an L-shaped airway opening arranged on the inner wall of the ventilation end cover.

[0013] Through the above technical solution, the ventilation end cover is easily connected to the connecting groove, so that the negative pressure generated inside acts on the corresponding air holes by utilizing the L-shaped air passage, thereby dehydrating the paper.

[0014] The present invention is further configured as follows: the adjustment mechanism includes two adjustment shafts bolted to the top of the connecting bracket, the outer walls of the two adjustment shafts are symmetrically interference-connected with gears near the end faces, and the two pairs of gears are meshingly connected, the outer walls of the two adjustment shafts are symmetrically sleeved with movable components near the end faces, and the end faces of the two groups of movable components are bolted with adjustment rollers, the end face of one of the adjustment shafts is installed with a driven pulley, the outer wall of the driven pulley is sleeved with a transmission belt, the inner wall of the transmission belt is sleeved with a driving pulley at a position away from the driven pulley, the inner wall of the driving pulley is interference-connected with a reducer, and the input shaft of the reducer is detachably installed with a driving motor.

[0015] Through the above technical solution, the driving motor is started, and its output shaft rotates to drive the rotation of the driving pulley through the reducer on the end surface, thereby utilizing the sleeved transmission belt to drive the adjustment shaft connected inside the driven pulley to rotate, and under the action of the meshing gears, the movable component on the adjustment shaft rotates relatively, thereby adjusting the adjustment roller set on its end surface.

[0016] The present invention is further configured as follows: the movable component includes an adjusting plate sleeved on the adjusting shaft, a matching slide rod is movably inserted into the end face of the adjusting plate, a connecting ring is fixedly connected to the end face of the matching slide rod, and the connecting ring is sleeved on the adjusting roller, the side wall of the adjusting plate is bolted to the adjusting cylinder, and the end face of the driving rod of the adjusting cylinder is bolted to the end face of the adjusting roller.

[0017] Through the above technical solution, the adjusting cylinder inside the movable component is started, and the adjusting roller connected to the end face of the driving rod slides stably on the adjusting plate through the matching sliding rod on the sleeved connecting ring, thereby realizing further fine-tuning of the adjusting roller, so that the adjusting rollers on both sides fix the paper body being processed at a certain position.

[0018] The present invention is further configured as follows: the auxiliary component includes a fixed block installed at the top center of the connecting bracket, the side walls of the fixed block are symmetrically provided with arc frames, the outer walls of the two arc frames are slidably connected with slides, the bottoms of the two slides are fixedly connected with arc baffles, the bottom of the fixed block is symmetrically rotatably connected with a movable column, the outer walls of the two movable columns are fixedly connected with a limiting plate near the position of the fixed block, the end faces of the two limiting plates are tightly provided with springs, and the end faces of the springs are tightly against the side walls of the slide, and the outer wall of the movable column is threadedly connected with an adjusting nut near the end face position.

[0019] Through the above technical solution, the adjusting nut inside the auxiliary component is rotated so that the slide plate pressed against it can slide on the movable column through the movable groove and slide stably on the arc frame at the same time, and then the arc baffle connected to the bottom of the slide plate is moved and adjusted on the outer wall of the roller body so that its bottom is pressed against the angle formed by the paper body and the roller body. While the slide plate slides on the movable column, it squeezes the spring and utilizes the restoring elasticity of the spring so that the adjusted slide plate can be stably positioned and fixed adaptively inside the movable groove.

[0020] The present invention is further configured as follows: the inner arc surfaces of the two arc-shaped baffles are both in contact with the outer wall of the roller body and are coaxially arranged with the arc-shaped frame; a movable groove is provided inside the slide plate, and a movable column passes through the movable groove and is movably connected thereto.

[0021] Through the above technical solution, when the roller body rotates, the paper attached to the bottom can be quickly detached under the action of the arc baffle to prevent it from adhering to the outer wall of the roller body, and when the arc baffle is adjusted, it can be stably adjusted on the coaxial arc frame, and during the papermaking process, it can be ensured that the movable column can be adaptively adjusted inside the movable groove.

[0022] On the other hand, a method for controlling an adjustable vacuum couch roll for papermaking is provided, comprising the following steps: S1. First, the paper body to be processed is sequentially attached to the outer wall of the adjusting roller and the roller body; S2. Then, according to the processing requirements of the paper body, the positions of the adjusting rollers inside the adjusting mechanisms on both sides are adjusted to adjust the angle formed by the paper body and the roller body. The specific steps are as follows: S21, start the driving motor, and the output shaft thereof rotates to drive the driving pulley to rotate through the reducer on the end surface, thereby using the sleeved transmission belt to drive the adjustment shaft connected inside the driven pulley to rotate, and under the action of the meshing gears, the movable components on the adjustment shaft rotate relatively, thereby adjusting the adjustment roller arranged on the end surface thereof; S22, then start the adjustment cylinder inside the movable component, and the adjustment roller connected to the end surface of the driving rod slides stably on the adjustment plate through the matching sliding rod on the sleeved connecting ring, thereby realizing the fine adjustment of the adjustment roller again, so that the adjustment rollers on both sides fix the paper body being processed at a determined position; S3, then the adjusting nut inside the auxiliary component is rotated so that the slide plate pressed against it can slide on the movable column through the movable groove and slide stably on the arc frame, and then the arc baffle connected to the bottom of the slide plate is moved and adjusted on the outer wall of the roller body so that the bottom of the slide plate is pressed against the angle formed by the paper body and the roller body, and while the slide plate slides on the movable column, it squeezes the spring and utilizes the restoring elasticity of the spring so that the adjusted slide plate can be stably positioned and fixed in the movable groove; S4. Then, the transmission pulley is driven to rotate through an external driving device, so that the roller body can stably rotate on the hollow shaft through the sealing end cover on the end face and the bearing arranged in the ventilation end cover, and at the same time, the vacuum pump connected to the end face of the hollow shaft is started, so that negative pressure is generated inside the hollow shaft, and the through hole opened on the outer wall of the hollow shaft, the connecting air sleeve, the L-shaped air channel arranged in the ventilation end cover and the air hole located at the L-shaped air channel are connected, so as to adsorb the paper body at the air hole, thereby achieving the effect of dehydration and stable adhesion to the surface of the roller body. At the same time, the paper body being processed is stably separated from the roller body under the action of the arc-shaped baffle on the side, so as to prevent the paper body from being excessively adsorbed on the surface of the roller body to cause wrinkles, thereby realizing the adjustability and convenience of the vacuum roller in the papermaking process.

[0023] The beneficial effects of the present invention are as follows: 1. The adjustable vacuum couch roll for papermaking and the control method thereof provided by the present invention provide a multi-channel space inside the roll body, so that the contact surface between the roll body and the paper can be quickly vacuum treated, thereby closely fitting the paper on the roll body, preventing the paper from being wrinkled and damaged during the winding process, and ensuring the stability of the paper during the processing process; 2. The adjustable vacuum roller for papermaking and its control method proposed in the present invention have paper adjustment mechanisms symmetrically arranged on both sides of the roller body, so that the contact surface between the paper with different dehydration requirements and the roller body can be adjusted, thereby improving the dehydration effect of the paper and the production efficiency of the papermaking process. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of the present invention; Figure 2 It is a structural diagram of the roller body in the present invention; Figure 3 An exploded view of the roller body in the present invention; Figure 4It is a first cross-sectional structural diagram of the roller body in the present invention; Figure 5 It is a second cross-sectional structural diagram of the roller body in the present invention; Figure 6 is a first structural diagram of the adjustment mechanism in the present invention; Figure 7 is a second structural diagram of the adjustment mechanism in the present invention; Figure 8 It is the third structural diagram of the adjustment mechanism in the present invention; Fig. 9 is a structural diagram of the auxiliary components in the present invention; Fig.10 It is a structural diagram of the connecting gas sleeve in the present invention; Fig.11 It is a structural diagram of the ventilation end cover in the present invention.

[0025] In the figure: 1, roller body; 11, air hole; 12, partition plate; 13, sealing inner ring; 14, sealing end cover; 15, ventilation end cover; 151, L-shaped airway; 16, driving pulley; 2. Hollow shaft; 21. Through hole; 22. Connecting air sleeve; 221. Connecting groove; 23. Shaft end cover; 3. Connect the bracket; 31. Lock the clamp; 4. Adjustment mechanism; 41. Adjustment shaft; 42. Gear; 43. Movable assembly; 431. Adjustment plate; 432. Matching slide rod; 433. Connecting collar; 434. Adjustment cylinder; 44. Adjustment roller; 45. Driven pulley; 46. Transmission belt; 47. Active pulley; 48. Speed ​​reducer; 49. Driving motor; 5. Auxiliary components; 51. Fixed block; 52. Arc frame; 53. Slide plate; 531. Movable groove; 54. Arc baffle; 55. Movable column; 56. Limit plate; 57. Spring; 58. Adjusting nut; 6. Paper body. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0027] like Figure 1-Figure 5As shown, an adjustable vacuum roller for papermaking includes a roller body 1, which is used for stably dehydrating a paper body 6 in a papermaking process. A plurality of air holes 11 are evenly opened on the outer wall of the roller body 1, and a plurality of spacer plates 12 are evenly fixedly connected to the inner wall of the roller body 1. The opposite surfaces of the plurality of spacer plates 12 are fixedly connected to a sealing inner ring 13. The plurality of spacer plates 12 are alternately distributed with the plurality of air holes 11, and the spacer plates 12 and the sealing inner ring 13 between each other form a ventilation channel. An L-shaped air channel 151 is opened inside the ventilation end cover 15, and the openings of the L-shaped air channel 151 located on the side wall of the ventilation end cover 15 are respectively connected with the corresponding ventilation channels, so that the air holes 11 can pass through the internal shaped air channels. The formed ventilation duct is connected with the L-shaped air duct 151, so as to facilitate the adsorption, fixation and dehydration of the paper attached to the air hole 11 during vacuum treatment. A sealing end cover 14 is bolted to one end of the roller body 1, and a venting end cover 15 is bolted to the other end of the roller body 1. The sealing end cover 14 and the venting end cover 15 are respectively rotatably connected to the outer wall of the hollow shaft 2 through their inner wall bearings. The end face of the venting end cover 15 is bolted to a driving pulley 16. The driving pulley 16 can drive the entire roller body 1 to rotate stably on the hollow shaft 2, and the sealing inner ring 13 and a plurality of spacer plates 12 can be used to divide each group of air holes 11, so that it is stable during vacuum treatment, and the dehydration and adsorption stability effects are improved. like Figure 3 , Fig.10 and Fig.11 As shown, the hollow shaft 2 is rotatably connected to the inside of the roller body 1, and is used to position and fix the position of the entire roller body 1. A through hole 21 is opened on the outer wall of the hollow shaft 2 near the end face, and a connecting air sleeve 22 is sleeved on the outer wall of the hollow shaft 2 near the through hole 21. A connecting groove 221 is opened on the outer wall of the connecting air sleeve 22, and the connecting groove 221 is arranged in an arc shape, and is fitted and connected to the L-shaped air channel 151 opening arranged on the inner wall of the ventilation end cover 15, so that the ventilation end cover 15 is connected with the connecting groove 221, so that the negative pressure generated inside is applied to the corresponding air hole 11 by utilizing the L-shaped air channel 151, so as to dehydrate the paper. One end of the hollow shaft 2 is sealed with a shaft end cover 23, and the other end of the hollow shaft 2 is externally connected with a vacuum pump, so that the connection between the through hole 21 and the connecting air sleeve 22 is utilized, so that when the vacuum treatment is carried out inside, negative pressure can be generated at the corresponding position of the paper, and the end face of the hollow shaft 2 is sealed under the action of the shaft end cover 23 to prevent air leakage.

[0028] like Figure 6-Figure 8As shown, the connecting bracket 3 is installed at the two end positions of the hollow shaft 2 through a locking clamp 31 connected by bolts at the bottom end position of the connecting bracket 3, which is used to install and fix the adjustment mechanism 4 and the auxiliary component 5 on the connecting bracket 3. The adjustment mechanism 4 is bolted to the bottom of the connecting bracket 3, and is used to adjust the angle between the roller body 1 and the paper body 6 being processed on both sides thereof. The adjustment mechanism 4 includes two adjustment shafts 41 bolted to the top of the connecting bracket 3. The outer walls of the two adjustment shafts 41 are symmetrically interference-connected with gears 42 near the end positions, and the two pairs of gears 42 are in a The outer walls of the two adjusting shafts 41 are symmetrically sleeved with movable components 43 near the end faces. The movable components 43 include an adjusting plate 431 sleeved on the adjusting shaft 41. The end face of the adjusting plate 431 is movably inserted with a matching slide rod 432. The end face of the matching slide rod 432 is fixedly connected with a connecting collar 433, and the connecting collar 433 is sleeved on the adjusting roller 44. The side wall of the adjusting plate 431 is bolted with an adjusting cylinder 434, and the end face of the driving rod of the adjusting cylinder 434 is bolted to the end face of the adjusting roller 44. The adjusting inside of the movable component 43 is activated. The throttle cylinder 434, the adjusting roller 44 connected to the end face of its driving rod slides stably on the adjusting plate 431 through the matching sliding rod 432 on the sleeved connecting ring 433, thereby realizing the fine adjustment of the adjusting roller 44 again, so that the adjusting rollers 44 on both sides fix the paper body 6 being processed at a determined position, and the end faces of the two groups of movable components 43 are both bolted with the adjusting rollers 44, and the end face of one of the adjusting shafts 41 is installed with a driven pulley 45, and the outer wall of the driven pulley 45 is sleeved with a transmission belt 46, and the inner wall of the transmission belt 46 is away from the position of the driven pulley 45 A driving pulley 47 is sleeved, and a reducer 48 is interference-connected to the inner wall of the driving pulley 47. A driving motor 49 is detachably mounted on the input shaft of the reducer 48. When the driving motor 49 is started, its output shaft rotates through the reducer 48 on the end surface to drive the rotation of the driving pulley 47, thereby using the sleeved transmission belt 46 to drive the adjustment shaft 41 connected to the inside of the driven pulley 45 to rotate, and under the action of the meshing gear 42, the movable component 43 on the adjustment shaft 41 rotates relatively, thereby adjusting the adjustment roller 44 arranged on its end surface; like Figure 8 and Fig. 9As shown, the auxiliary component 5 is detachably mounted at the inner top center of the connecting bracket 3, and is used to detach the paper body 6 on both sides of the outer wall of the roller body 1 near the bottom. The auxiliary component 5 includes a fixed block 51 mounted at the inner top center of the connecting bracket 3, and the side walls of the fixed block 51 are symmetrically provided with arc frames 52. The outer walls of the two arc frames 52 are slidably connected with slide plates 53, and the bottoms of the two slide plates 53 are fixedly connected with arc baffles 54. The inner arc surfaces of the two arc baffles 54 are both in contact with the outer wall of the roller body 1, and are in contact with the arc. The arc frame 52 is coaxially arranged, and a movable groove 531 is provided inside the slide plate 53, and the movable column 55 passes through the movable groove 531 and is movably connected thereto, so that when the roller body 1 rotates, the paper attached to the bottom can be quickly separated under the action of the arc baffle 54 to prevent it from adhering to the outer wall of the roller body 1, and when the arc baffle 54 is adjusted, it can be stably adjusted on the coaxial arc frame 52, and in the process of papermaking, it can ensure that the movable column 55 is adaptively adjusted inside the movable groove 531. The bottom of the fixed block 51 is symmetrically rotated and connected with a movable column 55. The outer walls of the two movable columns 55 are fixedly connected with a limit plate 56 near the fixed block 51. The end faces of the two limit plates 56 are tightly set with springs 57, and the end faces of the springs 57 are tightly pressed against the side walls of the slide plate 53. The outer wall of the movable column 55 is threadedly connected with an adjusting nut 58 near the end face. The adjusting nut 58 inside the auxiliary component 5 is rotated so that the slide plate 53 pressed against it can slide on the movable column 55 through the movable groove 531. At the same time, it slides stably on the arc frame 52, and then the arc baffle 54 connected to the bottom of the slide plate 53 is moved and adjusted on the outer wall of the roller body 1, so that its bottom is against the angle position formed by the paper body 6 and the roller body 1. While the slide plate 53 slides on the movable column 55, it squeezes the spring 57, and uses the restoring elasticity of the spring 57 to make the adjusted slide plate 53 stably positioned and fixed inside the movable groove 531, and the paper body 6 is respectively attached to the outer walls of the roller body 1 and the adjustment mechanism 4.

[0029] like Figure 1-Figure 11 As shown, a control method for an adjustable vacuum couch roll for papermaking comprises the following steps: S1, firstly, the paper body 6 to be processed is sequentially attached to the outer wall of the adjusting roller 44 and the roller body 1; S2. Then, according to the processing requirements of the paper body 6, the positions of the adjusting rollers 44 inside the adjusting mechanisms 4 on both sides are adjusted to adjust the angle formed by the paper body 6 and the roller body 1. The specific steps are as follows: S21, start the driving motor 49, and its output shaft rotates to drive the driving pulley 47 through the reducer 48 on the end surface, so that the adjustment shaft 41 connected to the driven pulley 45 is driven to rotate by the sleeved transmission belt 46, and under the action of the meshing gear 42, the movable component 43 on the adjustment shaft 41 is relatively rotated, so that the adjustment roller 44 set on the end surface is adjusted; S22, then start the adjusting cylinder 434 inside the movable component 43, and the adjusting roller 44 connected to the end face of the driving rod slides stably on the adjusting plate 431 through the matching sliding rod 432 on the sleeved connecting ring 433, thereby realizing the fine adjustment of the adjusting roller 44 again, so that the adjusting rollers 44 on both sides fix the paper body 6 being processed at a determined position; S3, then the adjusting nut 58 inside the auxiliary component 5 is rotated so that the slide plate 53 pressed against it can slide on the movable column 55 through the movable groove 531, and at the same time, it can slide stably on the arc frame 52 in coordination, and then the arc baffle 54 connected to the bottom of the slide plate 53 is moved and adjusted on the outer wall of the roller body 1, so that the bottom of the slide plate 53 is pressed against the angle formed by the paper body 6 and the roller body 1, and while the slide plate 53 slides on the movable column 55, it squeezes the spring 57, and the return elasticity of the spring 57 is utilized, so that the adjusted slide plate 53 can be stably positioned and fixed in the movable groove 531; S4. Then, the transmission pulley 16 is driven to rotate through an external driving device, so that the roller body 1 can stably rotate on the hollow shaft 2 through the bearings provided in the sealing end cover 14 and the ventilation end cover 15 on the end face, and the vacuum pump connected to the end face of the hollow shaft 2 is started at the same time, so that negative pressure is generated inside the hollow shaft 2, and the through hole 21 opened on the outer wall of the hollow shaft 2, the connecting air sleeve 22, the L-shaped air channel 151 provided in the ventilation end cover 15 and the air hole 11 located at the L-shaped air channel 151 are connected, so as to adsorb the paper body 6 at the air hole 11, thereby achieving the effect of dehydration and stable adhesion to the surface of the roller body 1. At the same time, the paper body 6 in processing is stably separated from the roller body 1 under the action of the arc-shaped baffle 54 on the side, so as to prevent the paper body 6 from being excessively adsorbed on the surface of the roller body 1 to cause wrinkles, thereby achieving the adjustability and convenience of the vacuum roller in the papermaking process.

[0030] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An adjustable vacuum couch roll for papermaking, characterized in that: include A roller body (1) is used to stably dehydrate a paper body (6) during a papermaking process; A hollow shaft (2), the hollow shaft (2) being rotatably connected to the interior of the roller body (1) and being used to position and fix the position of the entire roller body (1); A connecting bracket (3), wherein the connecting bracket (3) is mounted at two end positions of the hollow shaft (2) via a locking clamp (31) connected by bolts at the bottom end position of the connecting bracket (3), and is used to install and fix the adjustment mechanism (4) and the auxiliary component (5) on the connecting bracket (3); An adjustment mechanism (4), the adjustment mechanism (4) being bolted to the bottom of the connecting bracket (3) and used for adjusting the angle between the roller body (1) and the paper body (6) being processed on both sides thereof; An auxiliary component (5), wherein the auxiliary component (5) is detachably mounted at the inner top center of the connecting bracket (3) and is used to detach the paper body (6) located at both sides of the outer wall of the roller body (1) near the bottom; A paper body (6), wherein the paper body (6) is respectively attached to the outer walls of the roller body (1) and the adjustment mechanism (4).

2. The adjustable vacuum couch roll for papermaking according to claim 1, characterized in that: The outer wall of the roller body (1) is uniformly provided with a plurality of air holes (11); the inner wall of the roller body (1) is uniformly fixedly connected with a plurality of spacer plates (12); opposite surfaces of the plurality of spacer plates (12) are fixedly connected with sealing inner rings (13); one end of the roller body (1) is bolted to a sealing end cover (14); the other end of the roller body (1) is bolted to a venting end cover (15); the sealing end cover (14) and the venting end cover (15) are respectively rotatably connected to the outer wall of the hollow shaft (2) via their inner wall bearings; the end face of the venting end cover (15) is bolted to a driving pulley (16).

3. The adjustable vacuum couch roll for papermaking according to claim 2, characterized in that: The plurality of partition plates (12) are respectively distributed alternately with the plurality of air holes (11), and the partition plates (12) and the sealing inner ring (13) between each other form a ventilation duct, the interior of the ventilation end cover (15) is opened with an L-shaped air duct (151), and the openings of the L-shaped air duct (151) located on the side wall of the ventilation end cover (15) are respectively connected to the corresponding ventilation ducts.

4. The adjustable vacuum couch roll for papermaking according to claim 3, characterized in that: A through hole (21) is provided on the outer wall of the hollow shaft (2) near the end surface, a connecting air sleeve (22) is sleeved on the outer wall of the hollow shaft (2) near the through hole (21), one end of the hollow shaft (2) is sealed with a shaft end cover (23), and the other end of the hollow shaft (2) is externally connected to a vacuum pump.

5. The adjustable vacuum couch roll for papermaking according to claim 4, characterized in that: The outer wall of the connecting air sleeve (22) is provided with a communication groove (221), the communication groove (221) is arranged in an arc shape and is closely connected to an opening of an L-shaped air passage (151) arranged on the inner wall of the ventilation end cover (15).

6. The adjustable vacuum couch roll for papermaking according to claim 1, characterized in that: The adjustment mechanism (4) comprises two adjustment shafts (41) bolted to the top of the connection bracket (3); the outer walls of the two adjustment shafts (41) are symmetrically interference-connected with gears (42) near the end faces, and the two pairs of gears (42) are meshingly connected; the outer walls of the two adjustment shafts (41) are symmetrically sleeved with movable components (43) near the end faces, and the end faces of the two groups of movable components (43) are bolted with adjustment rollers (44); the end face of one of the adjustment shafts (41) is mounted with a driven pulley (45); the outer wall of the driven pulley (45) is sleeved with a transmission belt (46); the inner wall of the transmission belt (46) is sleeved with a driving pulley (47) at a position away from the driven pulley (45); the inner wall of the driving pulley (47) is interference-connected with a reducer (48); the input shaft of the reducer (48) is detachably mounted with a drive motor (49).

7. The adjustable vacuum couch roll for papermaking according to claim 6, characterized in that: The movable component (43) comprises an adjusting plate (431) sleeved on the adjusting shaft (41); a matching slide rod (432) is movably inserted into the end surface of the adjusting plate (431); a connecting ring (433) is fixedly connected to the end surface of the matching slide rod (432); and the connecting ring (433) is sleeved on the adjusting roller (44); a side wall of the adjusting plate (431) is bolted to an adjusting cylinder (434); and an end surface of a driving rod of the adjusting cylinder (434) is bolted to the end surface of the adjusting roller (44).

8. The adjustable vacuum couch roll for papermaking according to claim 1, characterized in that: The auxiliary component (5) comprises a fixed block (51) mounted at the top center of the connecting bracket (3); the side walls of the fixed block (51) are symmetrically provided with arc frames (52); the outer walls of the two arc frames (52) are slidably connected with slide plates (53); the bottoms of the two slide plates (53) are fixedly connected with arc baffles (54); the bottom of the fixed block (51) is symmetrically rotatably connected with a movable column (55); the outer walls of the two movable columns (55) are fixedly connected with a limit plate (56) near the fixed block (51); the end surfaces of the two limit plates (56) are tightly provided with springs (57), and the end surfaces of the springs (57) are tightly against the side walls of the slide plates (53); the outer wall of the movable column (55) is threadedly connected with an adjusting nut (58) near the end surface.

9. The adjustable vacuum couch roll for papermaking according to claim 8, characterized in that: The inner arc surfaces of the two arc-shaped baffles (54) are both fitted to the outer wall of the roller body (1) and are coaxially arranged with the arc-shaped frame (52). A movable groove (531) is provided inside the slide plate (53), and the movable column (55) passes through the movable groove (531) and is movably connected thereto.

10. A method for controlling an adjustable vacuum couch roll for papermaking according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1, firstly, laminating a paper body (6) to be processed onto the outer wall of the adjusting roller (44) and the roller body (1) in sequence; S2. Then, according to the processing requirements of the paper body (6), the positions of the adjusting rollers (44) inside the adjusting mechanisms (4) on both sides are adjusted so that the angle formed by the paper body (6) and the roller body (1) is adjusted. The specific steps are as follows: S21, starting the driving motor (49), the output shaft of which rotates through the reducer (48) on the end surface to drive the driving pulley (47) to rotate, thereby using the sleeved transmission belt (46) to drive the adjustment shaft (41) connected inside the driven pulley (45) to rotate, and under the action of the meshing gear (42), the movable component (43) on the adjustment shaft (41) rotates relatively, thereby adjusting the adjustment roller (44) provided on the end surface thereof; S22, then starting the regulating cylinder (434) inside the movable component (43), which drives the regulating roller (44) connected to the end surface of the rod to stably slide on the regulating plate (431) through the matching sliding rod (432) on the sleeved connecting ring (433), thereby achieving further fine-tuning of the regulating roller (44), so that the regulating rollers (44) on both sides fix the paper body (6) being processed at a determined position; S3, then rotating the adjusting nut (58) inside the auxiliary component (5) so that the sliding plate (53) pressed against it can slide on the movable column (55) through the movable groove (531) and slide stably on the arc frame (52) in coordination, and then moving and adjusting the arc baffle (54) connected to the bottom of the sliding plate (53) on the outer wall of the roller body (1) so that the bottom of the sliding plate (53) is pressed against the angle formed by the paper body (6) and the roller body (1), and while the sliding plate (53) slides on the movable column (55), it presses the spring (57), and utilizes the restoring elasticity of the spring (57) so that the adjusted sliding plate (53) can be stably positioned and fixed in the movable groove (531) in an adaptive manner; S4. Then, the transmission pulley (16) is driven to rotate by an external driving device, so that the roller body (1) can stably rotate on the hollow shaft (2) through the bearings provided in the sealing end cover (14) and the venting end cover (15) at the end face, and at the same time, a vacuum pump connected to the end face of the hollow shaft (2) is started, so that negative pressure is generated inside the hollow shaft (2), and the through hole (21) provided on the outer wall of the hollow shaft (2), the connecting air sleeve (22), the L-shaped air channel (151) provided in the venting end cover (15) and the The air holes (11) located at the L-shaped air passage (151) are connected to each other, so that the paper body (6) at the air holes (11) is adsorbed, thereby achieving the effect of dehydration and stable adhesion to the surface of the roller body (1). At the same time, the paper body (6) being processed is stably separated from the roller body (1) under the action of the arc-shaped baffle plate (54) on the side, preventing the paper body (6) from being excessively adsorbed on the surface of the roller body (1) to cause wrinkles, thereby achieving the adjustability and convenience of the vacuum roller in the papermaking process.

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