Headbox structure
By introducing a movable internal cleaning scraper and hydraulic telescopic cylinder structure into the pulp box, the problem of slow cleaning of the pulp box is solved, the cleaning efficiency is improved and the pulp uniformity is ensured, and more efficient pulp treatment is achieved.
Patent Information
- Application Number
- CN202420884363.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-26
AI Technical Summary
During the art paper production process, the internal space of the slurry box is limited, resulting in slow cleaning operations and personnel need to go deep into the box to clean, which increases the cleaning burden and time.
A slurry box structure is designed, with a built-in movable internal cleaning scraper moving along the bottom of the homogenizer box. Combined with an electric screw and a hydraulic telescopic cylinder, the cleaning of residues at the bottom of the homogenizer box is achieved. People only need to collect it on one side. Residues should be avoided in the box to clean.
It improves cleaning efficiency, reduces the cleaning burden of personnel, and ensures uniformity of pulp volume and thickness through adjustable extension plates and inner guide plate structures, avoiding the problem of thin pulp.
Smart Images
Figure CN222275084U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of headboxes, in particular to a headbox structure. Background Art
[0002] In the production process of art cardboard, the pulp is dispersed by the rotation of the homogenizing roller of the headbox, and the dispersed pulp is evenly distributed.
[0003] Two homogenizing rollers rotate inside the headbox to disperse the pulp. The headbox needs regular maintenance and cleaning during use. The space where the homogenizing roller of the headbox is located needs to be cleaned, and the pulp residue at the bottom of the space where the homogenizing roller of the headbox is located needs to be cleaned. The space inside the headbox is deep, and people are often required to enter the headbox space for cleaning operations. However, the space inside the headbox is limited, and the space for people to move around in the headbox space is limited. The cleaning operation is slow, and the cleaning speed is also slow. Summary of the invention
[0004] The disclosed embodiment relates to a flow box structure, in which a scanner does not need to be installed. An internal cleaning scraper moves along the bottom of the homogenizer box to clean the residues at the bottom of the homogenizer box. Personnel only need to collect the residues on one side, eliminating the need for personnel to go deep into the homogenizer box for cleaning, thereby reducing the cleaning burden on personnel and increasing cleaning efficiency.
[0005] In a first aspect of the present disclosure, a slurry flow box structure is provided, which specifically includes: a homogenizing box, a slurry discharge box and a forming box, wherein one side of the homogenizing box is fixedly connected to the slurry discharge box, the tail of the slurry discharge box is fixedly connected to the forming box, the other side of the homogenizing box is connected and fixedly connected to a slurry inlet pipe, inspection holes are provided on both sides of the homogenizing box, homogenizing rollers are rotated on both sides of the interior of the homogenizing box, the homogenizing rollers are driven to rotate by a motor, the bottom of the inner side of the homogenizing box is fitted with the lower part of the sliding inner cleaning scraper, the upper end of the inner cleaning scraper is screwed to the electric screw, and a top connecting slide is fixed to the top of the inner side of the homogenizing box.
[0006] In at least some embodiments, the electric screw is located on the inner side of the top connecting slide, the electric screw is rotatably connected to the homogenization box, the electric screw is driven to rotate by a motor, the top connecting slide is a J-shaped structure, the inner side of the top connecting slide is slidably connected to the internal cleaning scraper, the internal cleaning scraper moves along the bottom of the homogenization box, and the internal cleaning scraper cleans the residue at the bottom of the homogenization box.
[0007] In at least some embodiments, inner guide plates are fixed at intervals inside the pulp discharge box, inner guide plates are arranged in an array at intervals inside the pulp discharge box, extension plates are slidably provided at the tails of the inner guide plates, side connecting slide rods are rotatably provided on both sides of the extension plates, the side connecting slide rods are slidably connected to the upper connecting slide frame, and the extension plate is rotatably connected to the telescopic rod of the hydraulic telescopic cylinder.
[0008] In at least some embodiments, upper connecting slides are fixed to the sides of the pulp discharge box and the partition plate, and a hydraulic telescopic cylinder is fixed to the inner top of the pulp discharge box. The hydraulic telescopic cylinder extends to support the extension plate and the inner guide plate to tilt upward and away from the bottom of the pulp discharge box.
[0009] In at least some embodiments, hydraulic telescopic cylinders are fixed at the front and rear of the top of the forming box, the telescopic rod of the hydraulic telescopic cylinder at the front of the forming box is rotatably connected to the front of the top end of the inner weir plate, a front connecting slide is fixed to the rear side of the top of the inner weir plate, and the inner guide plate slides vertically along the side connecting slide rod and the upper connecting slide.
[0010] In at least some embodiments, the rectangular slide groove in the middle of the front connecting slide is slidably connected to the hydraulic telescopic cylinder at the rear of the forming box, the two sides of the inner weir plate are slidably attached to the inner walls of the forming box and the partition plate and are provided with rubber strip seals, and the hydraulic telescopic cylinder lifts and lowers the front of the inner weir plate to ensure that the front of the inner weir plate is higher than the lowest point of the inner guide plate.
[0011] In at least some embodiments, the two sides of the inner guide plate and the extension plate are respectively slidably fitted to the adjacent pulp discharge box and the side of the partition plate and are provided with rubber strip seals, the head end of the inner guide plate is rotatably connected to the upper part of the pulp discharge box, the extension plate and the inner guide plate are individually adjusted in angle, and the extension plate is moved upward at a position farther away from the pulp inlet pipe.
[0012] The utility model provides a headbox structure, which has the following beneficial effects:
[0013] The internal cleaning scraper moves along the bottom of the homogenizer box to clean the residues at the bottom of the homogenizer box. The personnel only need to collect the residues on one side, eliminating the need for personnel to go deep into the homogenizer box for cleaning, reducing the cleaning burden of the personnel and speeding up the cleaning efficiency.
[0014] The multiple extension plates and inner guide plates inside the pulp box can be adjusted at individual angles. The upward movement of the extension plates farther away from the pulp inlet pipe can increase the amount of pulp and better compensate for the pressure of the extension plates farther away, avoiding the situation where the pulp amount is small due to insufficient pressure of the extension plates farther away and the pulp thickness is easily thin. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.
[0016] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.
[0017] In the attached picture:
[0018] Figure 1 A schematic diagram showing the overall structure of the present application;
[0019] Figure 2 The cross-sectional structure diagram of the homogenizing box, the discharging box and the forming box of the present application is shown;
[0020] Figure 3 A schematic diagram showing the top connection slide structure of the present application is shown;
[0021] Figure 4 A schematic diagram of a pulp box frame structure of the present application is shown;
[0022] Figure 5 A schematic diagram showing the molding box structure of the present application is shown;
[0023] Figure 6 A structural schematic diagram showing the split state of the present application.
[0024] Reference numerals list
[0025] 1. Homogenizing box; 101. Slurry inlet pipe; 102. Inspection hole; 103. Homogenizing roller; 104. Internal cleaning scraper; 105. Electric screw; 106. Top connecting slide;
[0026] 2. Discharging box; 201. Inner guide plate; 202. Extension plate; 203. Side connecting slide bar; 204. Upper connecting slide; 205. Hydraulic telescopic cylinder; 206. Spacer;
[0027] 3. Molding box; 301. Inner weir plate; 302. Front connecting slide. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of 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.
[0029] Example 1: Please refer to Figures 1 to 6 :
[0030] The utility model proposes a headbox structure, comprising: a homogenizing box 1, a discharging box 2 and a forming box 3, the other side of the homogenizing box 1 is connected and fixed with a slurry inlet pipe 101, both sides of the homogenizing box 1 are provided with inspection holes 102, both sides of the homogenizing box 1 are provided with homogenizing rollers 103, the homogenizing rollers 103 are driven to rotate by a motor, the bottom of the inner side of the homogenizing box 1 fits the lower part of a sliding inner cleaning scraper 104, the upper end of the inner cleaning scraper 104 is screwed with an electric screw 105, and a top connecting slide 106 is fixed to the top of the inner side of the homogenizing box 1;
[0031] One side of the homogenizing box 1 is fixedly connected to the discharge box 2, and the inner guide plate 201 is fixed at intervals inside the discharge box 2. The inner guide plate 201 is arranged at intervals inside the discharge box 2, and an extension plate 202 is slidably arranged at the tail of the inner guide plate 201. Side connecting slide bars 203 are rotatably arranged on both sides of the extension plate 202. The side connecting slide bars 203 and the upper connecting slide 204 are slidably connected. The extension plate 202 is rotatably connected to the telescopic rod of the hydraulic telescopic cylinder 205. The relative sliding of the extension plate 202 and the inner guide plate 201 ensures that the extension plate 202 is always on the liquid outlet side of the discharge box 2 during the angle adjustment process. The upper connecting slide 204 is fixed on the sides of the discharge box 2 and the partition plate 206. The hydraulic telescopic cylinder 205 is fixed on the inner top of the discharge box 2. The hydraulic telescopic cylinder 205 is extended to support the extension plate 202 and the inner guide plate 201 to tilt upward and move away from the bottom of the discharge box 2. The tail of the slurry box 2 is fixedly connected to the forming box 3, and the front and rear of the top of the forming box 3 are fixed with hydraulic telescopic cylinders 205. The telescopic rod of the hydraulic telescopic cylinder 205 at the front of the forming box 3 is rotatably connected to the front of the top of the inner weir plate 301. The front connecting slide 302 is fixed to the rear side of the top of the inner weir plate 301. The inner guide plate 201 slides vertically through the side connecting slide 203 and the upper connecting slide 204, so that the inner guide plate 201 is always aligned with the liquid outlet of the slurry box 2. The rectangular slide in the middle of the front connecting slide 302 is slidably connected to the hydraulic telescopic cylinder 205 at the rear of the forming box 3. The two sides of the inner weir plate 301 slide and fit with the inner wall of the forming box 3 and the partition plate 206 and are provided with rubber strips for sealing. The hydraulic telescopic cylinder 205 lifts and lowers the front of the inner weir plate 301 to ensure that the front of the inner weir plate 301 is higher than the lowest point of the inner guide plate 201.
[0032] In the disclosed embodiment, the electric screw 105 is located on the inner side of the top connecting slide 106, the electric screw 105 is rotatably connected to the homogenizing box 1, the electric screw 105 is driven to rotate by a motor, the top connecting slide 106 is a J-shaped structure, the inner side of the top connecting slide 106 is slidably connected to the inner cleaning scraper 104, the inner cleaning scraper 104 moves along the bottom of the homogenizing box 1, and the inner cleaning scraper 104 performs a cleaning operation on the bottom of the homogenizing box 1. Personnel only need to collect the residues at the inspection hole 102 on one side, eliminating the need for personnel to go deep into the homogenizing box 1 for cleaning, thereby speeding up the cleaning efficiency.
[0033] In the embodiment of the present disclosure, the two sides of the inner guide plate 201 and the extension plate 202 are respectively slidably fitted with the adjacent sides of the pulp discharge box 2 and the partition plate 206 and are provided with rubber strip seals. The head end of the inner guide plate 201 is rotatably connected to the upper part of the pulp discharge box 2. The extension plate 202 and the inner guide plate 201 are individually adjusted in angle. The upward movement of the extension plate 202 at a position farther from the entrance of the pulp inlet pipe 101 increases the amount of pulp discharged, better compensates for the pressure of the extension plate 202 at a position farther from the pulp inlet pipe 101, and avoids the situation where the pressure of the extension plate 202 at a position farther from the pulp inlet pipe 101 is insufficient, resulting in a small amount of pulp.
[0034] Embodiment 2, on the basis of embodiment 1, the head end of the inner weir plate 301 and the extension plate 202 are synchronously connected with a waterproof flexible cloth, the bending of the flexible cloth adapts to the angle change between the inner weir plate 301 and the extension plate 202, the waterproof flexible cloth can reduce the slurry from entering the gap between the head end of the inner weir plate 301 and the extension plate 202 into the head end of the inner weir plate 301 and the upper part of the extension plate 202, causing the slurry on the upper part of the inner weir plate 301 and the extension plate 202 to be retained and wasted, or the top of the inner weir plate 301 and the extension plate 202 is directly adjusted with an integrated airbag to change the angle, the airbag fills the top of the inner weir plate 301 and the extension plate 202, and prevents the accumulation of slurry on the top of the inner weir plate 301 and the extension plate 202.
[0035] The working principle of this embodiment is as follows: the pulp inlet pipe 101 is connected to the pulp conveying pipe, the pulp enters the homogenizing box 1 through the pulp inlet pipe 101, the homogenizing roller 103 inside the homogenizing box 1 is started and rotated by the motor, the rotation of the homogenizing roller 103 will perform the homogenizing operation of the pulp, and then enters the inside of the pulp discharge box 2 and then enters the forming box 3, a water-permeable conveying net device is arranged below the outlet of the forming box 3, the pulp is formed on the conveyor surface net, the pressure of the extension plate 202 which is farther from the entrance of the pulp inlet pipe 101 will decrease, this is achieved by extending the hydraulic telescopic cylinder 205 to support the extension plate 202 and the inner guide plate 201 to tilt upward away from the bottom of the pulp discharge box 2, so as to increase the pulp discharge amount of the pulp discharge box 2, and vice versa, the pulp discharge amount of the pulp discharge box 2 can be reduced, the inclined extension plate 202 and the inner guide plate 201 can also accelerate the slurry, the extension plate 202 and the inner guide plate 201 which are farther from the pulp inlet pipe 101 in the pulp discharge box 2 are individually adjusted in angle, and the distance The extension plate 202 at a position farther from the pulp inlet pipe 101 moves upward to increase the amount of pulp discharged, better compensate for the pressure of the extension plate 202 at a position farther from the pulp inlet pipe 101, avoid the situation where the pulp is less due to insufficient pressure of the extension plate 202 at a position farther from the pulp inlet pipe 101, and avoid the situation where the pulp is thinner at a position farther from the pulp inlet pipe 101. During the process of the inner guide plate 201 and the inner guide plate 201 changing the angle, the inner guide plate 201 is connected along the vertical direction through the side connecting slide bar 203 and the upper connecting slide 204. Slide, so that the inner guide plate 201 is always aligned with the liquid outlet of the pulp box 2, and the inner guide plate 201 will not move away from the liquid outlet of the pulp box 2 due to the angle change. The hydraulic telescopic cylinder 205 controls the height adjustment of the rear part of the inner weir plate 301 through the front connecting slide 302. The extension and contraction of the hydraulic telescopic cylinder 205 can also adjust the angle of the inner weir plate 301. The hydraulic telescopic cylinder 205 performs lifting and lowering operations on the front part of the inner weir plate 301 to ensure that the front part of the inner weir plate 301 is higher than the lowest point of the inner guide plate 201;
[0036] When the homogenizing box 1 is cleaned and maintained regularly, the inspection hole 102 is opened to check the inside of the homogenizing box 1 and remove the internal residues. The motor drives the electric screw 105 to rotate, and the thread of the electric screw 105 drives the internal cleaning scraper 104 to move axially horizontally. The internal cleaning scraper 104 moves along the bottom of the homogenizing box 1. The internal cleaning scraper 104 cleans the residues at the bottom of the homogenizing box 1. The personnel only need to collect the residues at the inspection hole 102 on one side, eliminating the need for the personnel to go deep into the homogenizing box 1 for cleaning. The electric screw 105 is located inside the J-shaped top connecting slide 106, which blocks the pulp water below from contacting the electric screw 105. The top connecting slide 106 provides better protection for the electric screw 105. A rubber strip can also be provided at the side opening of the top connecting slide 106 for auxiliary sealing, further reducing the entry of pulp. The movement of the inner cleaning scraper 104 will press down the rubber strip to deform, and will not hinder the movement of the inner cleaning scraper 104.
[0037] In this article, there are a few points to note:
[0038] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.
[0039] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.
[0040] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. A headbox structure, comprising: A homogenizing box (1), a discharging box (2) and a forming box (3); characterized in that one side of the homogenizing box (1) is fixedly connected to the discharging box (2), the tail of the discharging box (2) is fixedly connected to the forming box (3), one side of the homogenizing box (1) is connected and fixedly connected to a slurry inlet pipe (101), both sides of the homogenizing box (1) are provided with inspection holes (102), both sides of the interior of the homogenizing box (1) are provided with rotatable homogenizing rollers (103), the bottom of the inner side of the homogenizing box (1) fits the lower part of the sliding inner cleaning scraper (104), the upper end of the inner cleaning scraper (104) is screwed to the electric screw (105), and the top of the inner side of the homogenizing box (1) is fixed with a top connecting slide (106).
2. A headbox structure according to claim 1, characterized in that: The electric screw (105) is located on the inner side of the top connecting slide (106), the electric screw (105) is rotationally connected to the homogenizing box (1), and the inner side of the top connecting slide (106) is slidingly connected to the inner cleaning scraper (104).
3. A headbox structure according to claim 1, characterized in that: The inner guide plates (201) are fixed at intervals inside the pulp discharge box (2), the inner guide plates (201) are arranged in an array at intervals inside the pulp discharge box (2), an extension plate (202) is slidably provided at the tail of the inner guide plate (201), side connecting sliding rods (203) are rotatably provided on both sides of the extension plate (202), the side connecting sliding rods (203) are slidably connected to the upper connecting sliding frame (204), and the extension plate (202) is rotatably connected to the telescopic rod of the hydraulic telescopic cylinder (205).
4. A headbox structure according to claim 3, characterized in that: An upper connecting slide (204) is fixed to the sides of the pulp discharge box (2) and the partition plate (206), and a hydraulic telescopic cylinder (205) is fixed to the inner top of the pulp discharge box (2).
5. A headbox structure according to claim 3, characterized in that: Hydraulic telescopic cylinders (205) are fixed at the front and rear of the top of the molding box (3); the telescopic rod of the hydraulic telescopic cylinder (205) at the front of the molding box (3) is rotatably connected to the front of the top of the inner weir plate (301); and a front connecting slide (302) is fixed to the rear side of the top of the inner weir plate (301).
6. A headbox structure according to claim 5, characterized in that: The front connecting slide (302) is slidably connected to the hydraulic telescopic cylinder (205) at the rear of the forming box (3), and the two sides of the inner weir plate (301) are slidably fitted to the inner wall of the forming box (3).
7. A headbox structure according to claim 3, characterized in that: The inner guide plate (201) and the extension plate (202) are slidably fitted on the sides of the adjacent pulp discharge box (2) and the partition plate (206), respectively, and the head end of the inner guide plate (201) is rotatably connected to the upper part of the pulp discharge box (2).