An angle-adjustable paper stabilizing system and adjusting method

Abstract

The application belongs to the technical field of papermaking equipment, and particularly relates to an angle-adjustable paper stabilizing system and a regulating method. The paper stabilizing system comprises a paper stabilizing box, a controller, an air inlet pipe, a fan, and an angle regulating system. The paper stabilizing box is connected with the fan through the air inlet pipe, and the paper stabilizing box is provided with an air outlet. The air blown by the fan is blown to the drying wire through the air outlet, so that the paper web located on the other side of the drying wire is attached to the drying wire. The angle regulating system is fixedly connected with the paper stabilizing box and is used for regulating the angle of the paper stabilizing box. The controller is electrically connected with the angle regulating system. The angle of the air outlet of the paper stabilizing box can be flexibly regulated, so that different production requirements can be met.

Description

Technical Field

[0001] The invention belongs to the technical field of papermaking equipment, and particularly relates to an angle-adjustable paper stabilizing system and an adjustment method. Background Art

[0002] In papermaking technology, air-flow stabilization systems utilize high-speed hot air to drive airflow across the dryer fabric surface, creating negative pressure in a nearly enclosed area that forces the wet paper to adhere to the fabric, thereby stabilizing the paper web during operation. However, changes in paper parameters often require readjusting the angle of the stabilization box's air outlet to alter the airflow direction, improve drying efficiency, and reduce energy consumption. Furthermore, changes to the stabilization box's structure also require readjustment of the angle between the stabilization box and the dryer fabric.

[0003] However, in the prior art, the angle between the stabilizing carton and the drying net cannot be flexibly adjusted according to needs. Summary of the Invention

[0004] In order to solve the deficiencies of the prior art, the present invention provides an angle-adjustable paper stabilizing system, which can adjust the angle of the air outlet of the paper stabilizing box to meet different production needs.

[0005] Another object of the present invention is to provide a method for adjusting an angle-adjustable paper stabilization system, which can screen out the optimal angle and optimal air volume under different working conditions.

[0006] In order to solve the deficiencies of the prior art, the present invention provides the following technical solutions:

[0007] An angle-adjustable paper stabilization system includes a paper stabilization box, a controller, an air inlet pipe, a fan, and an angle adjustment system;

[0008] The stabilizing box is connected to the fan through the air inlet pipe, and the stabilizing box is provided with an air outlet;

[0009] The air blown in by the fan is blown toward the dryer fabric through the air outlet so that the paper web on the other side of the dryer fabric adheres to the dryer fabric;

[0010] The angle adjustment system is fixedly connected to the stable carton and is used to adjust the angle of the stable carton;

[0011] The controller is electrically connected to the angle adjustment system.

[0012] Preferably, the angle adjustment system includes a connecting shaft, a sliding shaft, a fixing seat, a bracket, a driving component and an angle sensor;

[0013] The sliding shaft is cylindrical, with its axis in the horizontal direction, and one end surface is fixedly connected to both ends of the stable carton via the connecting shaft;

[0014] A semi-cylindrical groove is provided in the middle of the fixing seat, the size of the groove matches the sliding shaft, and the central axis of the groove is located in the horizontal direction;

[0015] The bracket is used to support the fixing seat;

[0016] The driving component is electrically connected to the controller, and the output end is connected to the other end surface of the sliding shaft, and is used to drive the sliding shaft to rotate along the groove so that the stable carton connected to the sliding shaft rotates;

[0017] The angle sensor is located on the outer end surface of the stable carton, close to the connecting shaft, and is electrically connected to the controller.

[0018] Preferably, the sliding shaft is further provided with two limit blocks parallel to the axis of the sliding shaft; the limit blocks are located above the fixing seat.

[0019] Preferably, the angle adjustment system further includes a fixing assembly; the fixing assembly is used to fix the sliding shaft on the fixing seat.

[0020] Preferably, the fixing assembly includes a fixing member 1, a fixing member 2 and a fixing member 3;

[0021] The fixing member 1 is a flat plate with a circular hole in the middle thereof matching the shape of the connecting shaft;

[0022] The second fixing member is flat, with a semicircular hole at the bottom thereof matching the shape of the output shaft of the driving component, and a lower end surface thereof matching the upper end surface of the third fixing member. The second fixing member is located above the output shaft of the driving component.

[0023] The fixing member 3 is a flat plate with a semicircular hole on the top that matches the shape of the output shaft of the driving component. The fixing member 3 is located below the output shaft of the driving component.

[0024] The side surfaces of the second and third fixing members are in close contact with the side surface of the sliding shaft; the side surface of the first fixing member is in close contact with the other side surface of the sliding shaft;

[0025] The fixing piece 1 is fixedly connected to the fixing piece 2 and the fixing piece 3 by bolts.

[0026] Preferably, an elastic layer is provided on the side surfaces of the fixing member 1, the fixing member 2, and the fixing member 3 that are in contact with the sliding shaft.

[0027] Preferably, the fixing member 1 is a rectangular flat plate; the fixing member 2 and the fixing member 3 are combined into a rectangular flat plate; the fixing member 1, the fixing member 2, and the fixing member 3 have the same thickness;

[0028] The fixing seat is provided with an elongated hole perpendicular to the axes of the two sliding shafts, and the elongated hole is located on both sides of the groove;

[0029] The first fixing piece, the second fixing piece and the third fixing piece are respectively inserted into the long holes and fixed by bolts.

[0030] Preferably, the driving component is a stepping motor.

[0031] A method for adjusting an angle-adjustable paper stabilization system, comprising:

[0032] S1: The aforementioned controller controls the sliding shaft to rotate along the fixed seat through the driving component. The sliding shaft drives the stable carton to rotate. The angle sensor on the stable carton feeds back the current angle of the stable carton to the controller. When the angle of the stable carton reaches the preset angle, the driving component is turned off and the sliding shaft is fixed by the fixing member. The air volume is adjusted to the preset air volume by the fan.

[0033] S2: The paper machine is running, observing the smoothness of the paper web, and measuring and recording the moisture content of the paper web;

[0034] S3: Repeat steps S1 and S2, changing the preset angle or the preset air volume, and obtaining the paper web running smoothness and the paper web moisture content under different combinations of the preset angle and the preset air volume;

[0035] S4: Filter out the optimal angle and optimal air volume according to the paper web running smoothness and the water content of the paper web under different combinations of preset angles and preset air volumes.

[0036] Beneficial effects of the present invention:

[0037] 1) The present invention is equipped with an angle adjustment system that can adjust the angle between the air outlet of the stabilizing carton and the dryer fabric to meet the needs of different working conditions. At the same time, when the form of the stabilizing carton is changed, it is also convenient to quickly adjust the angle between the air outlet and the dryer fabric to obtain the optimal parameters;

[0038] 2) The present invention is provided with a fixing component. After the angle between the air outlet of the stabilizing carton and the dryer net is adjusted, the sliding shaft is fixed by the fixing part, which can prevent the stabilizing carton from shaking during the blowing process of the fan and causing the sliding shaft to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 This is a schematic diagram of the installation of the stabilizing carton and the dryer fabric provided by the present invention;

[0040] Figure 2 A schematic diagram of the connection between the angle adjustment system and the stable carton provided by the present invention;

[0041] Figure 3 This is a schematic diagram of the installation of the sliding shaft and the sliding seat provided by the present invention;

[0042] Figure 4 A schematic diagram of the elastic layer provided by the present invention;

[0043] Figure 5 A top view of the fixing base provided by the present invention;

[0044] Figure 6 A front view of a fixing member 1 provided by the present invention;

[0045] Figure 7 A front view of the second fixing member provided by the present invention;

[0046] Figure 8 A front view of a third fixing member provided by the present invention;

[0047] Among them: 1 is the first guide roller; 2 is the second guide roller; 3 is the dryer mesh; 4 is the stabilizing carton; 5 is the third guide roller; 6 is the paper web; 7 is the connecting shaft; 8 is the air inlet pipe; 9 is the air outlet; 10 is the sliding shaft; 111 is the fixing part 1; 112 is the fixing part 2; 113 is the fixing part 3; 114 is the elastic layer; 115 is the bolt hole; 116 is the circular hole; 117 is the semicircular hole; 12 is the angle sensor; 13 is the fixing seat; 131 is the long strip hole; 132 is the slot; 14 is the stepping motor; 15 is the limit block; 17 is the bolt; 18 is the bracket. DETAILED DESCRIPTION

[0048] The present invention will be further described below in conjunction with the embodiments. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention.

[0049] An embodiment of the present invention provides an angle-adjustable paper stabilizing system, comprising a paper stabilizing box, a controller, an air inlet duct, a fan, and an angle adjustment system; the paper stabilizing box is connected to the fan through the air inlet duct, and the paper stabilizing box is provided with an air outlet; the air blown in by the fan is blown toward the dryer net through the air outlet so that the paper web on the other side of the dryer net is attached to the dryer net; the angle adjustment system is fixedly connected to the paper stabilizing box for adjusting the angle of the paper stabilizing box; the controller is electrically connected to the angle adjustment system.

[0050] The invention is equipped with an angle adjustment system that can adjust the angle between the air outlet of the stabilizing box and the drying net to meet the needs of different working conditions. At the same time, when the form of the stabilizing box is changed, it is also convenient to quickly adjust the angle between the air outlet and the drying net to obtain the optimal parameters. The air inlet pipe is made of flexible material.

[0051] In an optional embodiment of the present invention, the angle adjustment system includes a connecting shaft, a sliding shaft, a fixed seat, a bracket, a driving component and an angle sensor; the sliding shaft is cylindrical, the axis is located in the horizontal direction, and one end face is fixedly connected to the two ends of the stabilizing box through a connecting shaft; a semi-cylindrical groove is provided in the middle of the fixed seat, the size of the groove matches the sliding shaft, and the center axis of the groove is located in the horizontal direction; the bracket is used to support the fixed seat; the driving component is electrically connected to the controller, and the output end is connected to the other end face of the sliding shaft, and is used to drive the sliding shaft to rotate along the groove so that the stabilizing box connected to the sliding shaft rotates; the angle sensor is located on the outer end face of the stabilizing box, close to the connecting shaft, and is electrically connected to the controller.

[0052] In an optional embodiment of the present invention, the sliding shaft is further provided with two limit blocks parallel to the axis of the sliding shaft; the limit blocks are located above the fixing seat. The limit blocks can prevent the stabilizing box from colliding with the dryer net or other stabilizing boxes.

[0053] In an optional embodiment of the present invention, the angle adjustment system further includes a fixing assembly for securing the sliding shaft to the fixing base. Once the angle between the stabilizing box and the dryer fabric is adjusted, the fixing assembly secures the sliding shaft, thereby preventing the stabilizing box from shaking during air blowing and causing the sliding shaft to rotate.

[0054] In an optional embodiment of the present invention, the fixing assembly includes fixing part 1, fixing part 2 and fixing part 3; fixing part 1 is a flat plate type, with a circular hole in the middle that matches the shape of the connecting shaft; fixing part 2 is a flat plate type, with a semicircular hole in the lower part that matches the shape of the output shaft of the driving component, and the lower end face matches the upper end face of fixing part 3, and fixing part 2 is located above the output shaft of the driving component; fixing part 3 is a flat plate type, with a semicircular hole in the upper part that matches the shape of the output shaft of the driving component, and fixing part 3 is located below the output shaft of the driving component; the side surfaces of fixing part 2 and fixing part 3 are in close contact with the side surface of the sliding shaft; the side surface of fixing part 1 is in close contact with the other side surface of the sliding shaft; fixing part 1 is fixedly connected to fixing part 2 and fixing part 3 by bolts.

[0055] In an optional embodiment of the present invention, an elastic layer is provided on the side surfaces of the fixing member 1, the fixing member 2, and the fixing member 3 that are in contact with the sliding shaft.

[0056] In an optional embodiment of the present invention, fixing member 1 is a rectangular flat plate; fixing member 2 and fixing member 3 are combined into a rectangular flat plate; fixing member 1, fixing member 2, and fixing member 3 have the same thickness; the fixing seat is provided with a long hole perpendicular to the axis of the two sliding shafts, and the long hole is located on both sides of the groove; fixing member 1, fixing member 2, and fixing member 3 are respectively inserted into the long holes and fixed by bolts.

[0057] In an optional embodiment of the present invention, the driving component is a stepping motor.

[0058] The embodiment of the present invention further provides a method for adjusting an angle-adjustable paper stabilization system, comprising:

[0059] S1: The controller controls the sliding shaft to rotate along the fixed seat through the driving component. The sliding shaft drives the stable carton to rotate. The angle sensor on the stable carton feeds back the current angle of the stable carton to the controller. When the angle of the stable carton reaches the preset angle, the driving component is turned off and the sliding shaft is fixed by the fixing part; the air volume is adjusted to the preset air volume through the fan.

[0060] S2: The paper machine is running, and the smoothness of the paper web is observed. The moisture content of the paper web after drying is measured and recorded at the current preset angle and preset air volume.

[0061] S3: Repeat steps S1 and S2, change the preset angle or the preset air volume, and obtain the paper web running smoothness and the paper web moisture content under different combinations of the preset angle and the preset air volume.

[0062] When changing the preset angle, first disassemble the second and third fixing members so that the sliding shaft can rotate smoothly along the fixing seat.

[0063] S4: Filter out the optimal angle and optimal air volume according to the paper web running smoothness and the water content of the paper web under different combinations of preset angles and preset air volumes.

[0064] In an optional embodiment of the present invention, smooth web flow and uninterrupted paper flow are the primary screening criteria. Subsequently, the optimal angle and air volume are selected based on low paper moisture content and low air volume. If both minimum paper moisture content and minimum air volume cannot be simultaneously met, a combination with low moisture content at the same air volume, a combination with low air volume at the same moisture content, or a combination with low air volume at the same moisture content can be selected as needed, or a weighted coefficient between air volume and moisture content can be set for a comprehensive selection.

[0065] Example 1

[0066] An angle-adjustable paper stabilization system, see Figure 1 The dryer comprises a first guide roller 1, a second guide roller 2, a dryer fabric 3 wound around the first and second guide rollers 1 and 2 to form an annular shape, a paper web 6 disposed outside the dryer fabric 3 and wound around a third guide roller 5, a paper stabilizing box 4 disposed inside the dryer fabric 3, a controller, an air inlet duct 8, a fan, and an angle adjustment system. The controller is not shown in the figure.

[0067] For details, see Figure 2 The carton 4 is connected to the fan through the air inlet pipe 8 at both ends. Figure 1 and Figure 2 The paper box 4 is provided with an air outlet 9; the wind blown by the fan is blown toward the dryer mesh 3 through the air outlet 9 so that the paper web 6 on the other side of the dryer mesh 3 is attached to the dryer mesh 3. The fan is not shown in the figure.

[0068] See also Figure 2and Figure 3 The angle adjustment system includes a connecting shaft 7, a sliding shaft 10, a fixing seat 13, a bracket 18, a stepping motor 14, a fixing component and an angle sensor 12.

[0069] See also Figure 2 、 Figure 3 and Figure 4 The sliding shaft 10 is cylindrical with its axis in the horizontal direction. One end face is fixedly connected to both ends of the stable carton 4 via the connecting shaft 7, and the other end face is fixedly connected to the output shaft of the stepper motor 14. The sliding shaft 10 is provided with two limit blocks 15 parallel to the axis of the sliding shaft 10; the limit blocks 15 are located above the fixed seat 13.

[0070] See also Figure 5 The fixing seat 13 has a semi-cylindrical groove 132 in the middle, the size of the groove matches the sliding shaft, and the center axis of the groove is located in the horizontal direction. The fixing seat has an elongated hole 131 perpendicular to the axis of the two sliding shafts, and the elongated hole 131 is located on both sides of the groove 132.

[0071] See also Figure 3 The bracket 18 is used to support the fixing seat 13.

[0072] See also Figure 2 The stepper motor 14 is electrically connected to the controller and is used to drive the sliding shaft 10 to rotate along the groove so that the stable carton 4 connected to the sliding shaft 10 rotates.

[0073] See also Figure 1 and Figure 2 The angle sensor 12 is located on the outer end surface of the stable carton 4, close to the connecting shaft 7, and is electrically connected to the controller.

[0074] See also Figures 6 to 8 The fixing assembly includes a fixing member 111, a fixing member 2 112 and a fixing member 3 113. The fixing member 111 is a square flat plate with a circular hole 116 in the middle that matches the shape of the connecting shaft and bolt holes 115 around it. Figure 7 The second fixing member 112 is a rectangular flat plate with a semicircular hole 117 on the bottom that matches the shape of the output shaft of the stepper motor and a bolt hole 115 on the top. The lower end surface matches the upper end surface of the fixing member 113. Figure 2 and Figure 3 , the second fixing member 112 is located above the output shaft of the stepping motor 14. Figure 3 and Figure 8 Fixing member 3 113 is a rectangular flat plate with a semicircular hole 117 on its top that matches the shape of the stepper motor's output shaft. Fixing member 3 113 is located below the stepper motor's output shaft. Fixing member 2 and fixing member 3 combine to form a square flat plate. Fixing members 1, 2, and 3 have the same thickness.

[0075] See also Figure 2 and Figure 4 Fixing members 1, 2, and 3 are inserted into the elongated holes, with the side of fixing member 111 in close contact with the side of sliding shaft 10; the side of fixing member 2 112 and fixing member 3 in close contact with the other side of sliding shaft 10. Elastic layers 114 are provided on the sides of fixing members 111, 112, and 113 that contact sliding shaft 10. Fixing members 111, 112, and 113 are secured by bolts 17.

[0076] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An angle-adjustable paper stabilization system, characterized in that: Including carton stabilization, controller, air inlet pipe, fan, and angle adjustment system; The stabilizing box is connected to the fan through the air inlet pipe, and the stabilizing box is provided with an air outlet; The air blown in by the fan is blown toward the dryer fabric through the air outlet so that the paper web on the other side of the dryer fabric adheres to the dryer fabric; The angle adjustment system is fixedly connected to the stable carton and is used to adjust the angle of the stable carton; The angle adjustment system includes a connecting shaft, a sliding shaft, a fixed seat, and a driving component. The sliding shaft is cylindrical, with its axis located in the horizontal direction, and one end face is fixedly connected to both ends of the stable paper box via the connecting shaft; a semi-cylindrical groove is provided in the middle of the fixed seat, the size of the groove matches the sliding shaft, and the central axis of the groove is located in the horizontal direction; the driving component is electrically connected to the controller, and the output end is connected to the other end face of the sliding shaft, for driving the sliding shaft to rotate along the groove so that the stable paper box connected to the sliding shaft rotates; The angle adjustment system further includes a fixing assembly; the fixing assembly is used to fix the sliding shaft on the fixing seat; The fixing assembly includes a fixing part 1, a fixing part 2 and a fixing part 3; The fixing member 1 is a flat plate with a circular hole in the middle thereof matching the shape of the connecting shaft; The second fixing member is flat, with a semicircular hole at the bottom thereof matching the shape of the output shaft of the driving component, and a lower end surface thereof matching the upper end surface of the third fixing member. The second fixing member is located above the output shaft of the driving component. The fixing member 3 is a flat plate with a semicircular hole on the top that matches the shape of the output shaft of the driving component. The fixing member 3 is located below the output shaft of the driving component. The side surfaces of the second fixing member and the third fixing member are in close contact with the side surface of the sliding shaft; the side surface of the first fixing member is in close contact with the other side surface of the sliding shaft.

2. The angle-adjustable paper stabilization system according to claim 1, characterized in that: The angle adjustment system also includes a bracket and an angle sensor; The bracket is used to support the fixing seat; The angle sensor is located on the outer end surface of the stable carton, close to the connecting shaft, and is electrically connected to the controller.

3. The angle-adjustable paper stabilization system according to claim 1, characterized in that: The sliding shaft is further provided with two limit blocks parallel to the axis of the sliding shaft; the limit blocks are located above the fixing seat.

4. The angle-adjustable paper stabilization system according to claim 1, characterized in that: The fixing member 1 is fixedly connected to the fixing member 2 and the fixing member 3 by bolts.

5. The angle-adjustable paper stabilization system according to claim 1, characterized in that: An elastic layer is provided on the side surfaces of the fixing member 1, the fixing member 2 and the fixing member 3 that are in contact with the sliding shaft.

6. The angle-adjustable paper stabilization system according to claim 1, characterized in that: The fixing member 1 is a rectangular flat plate; the fixing member 2 and the fixing member 3 are combined to form a rectangular flat plate; the fixing member 1, the fixing member 2, and the fixing member 3 have the same thickness; The fixing seat is provided with an elongated hole perpendicular to the axes of the two sliding shafts, and the elongated hole is located on both sides of the groove; The first fixing piece, the second fixing piece and the third fixing piece are respectively inserted into the long holes and fixed by bolts.

7. The angle-adjustable paper stabilization system according to claim 1, characterized in that: The driving component is a stepping motor.

8. A method for adjusting an angle-adjustable paper stabilization system, characterized in that: include, S1: The controller according to any one of claims 1 to 7 controls the sliding shaft to rotate along the fixed seat through a driving component, the sliding shaft drives the stabilizing carton to rotate, and the angle sensor on the stabilizing carton feeds back the current angle of the stabilizing carton to the controller; when the angle of the stabilizing carton reaches a preset angle, the driving component is turned off, and the sliding shaft is fixed by a fixing member; and the air volume is adjusted to the preset air volume by the fan; S2: The paper machine is running, observing the smoothness of the paper web, and measuring and recording the moisture content of the paper web; S3: Repeat steps S1 and S2, changing the preset angle or the preset air volume, and obtaining the paper web running smoothness and the paper web moisture content under different combinations of the preset angle and the preset air volume; S4: Filter out the optimal angle and optimal air volume according to the paper web running smoothness and the water content of the paper web under different combinations of preset angles and preset air volumes.

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