Adjusting type pulp screening machine for papermaking

Abstract

The invention discloses an adjustable pulp screening machine for papermaking, and relates to the technical field of pulp screening machines. An adjustable pulp screening machine for papermaking comprises a tank body, an adjusting assembly is arranged in the tank body, a limiting assembly is arranged on the surface of the tank body, the adjusting assembly comprises a servo motor fixed to the surface of the bottom of the tank body, a connecting shaft is fixed to an extending shaft of the servo motor, and a first cross block is fixed to the surface of the top of the connecting shaft; the surface of the first cross block is sleeved with a sleeve, a screen drum is fixed to the surface of the top of the sleeve, and a plurality of first filter screens are fixed to the inner wall of the screen drum. An adjusting assembly is arranged in the tank body, a screen drum and a limiting bolt are arranged in the adjusting assembly, an annular block and second filter screens can be detached by screwing the limiting bolt, the number of the second filter screens can be conveniently adjusted according to actual use requirements, due to the arrangement of the first filter screens and the second filter screens, slurry can be subjected to multi-stage filtration, and the filtering effect is improved. Impurities and residues of the pulp are reduced, and the quality after subsequent paper forming is improved.

Description

Technical Field

[0001] The invention relates to the technical field of pulp screens, and in particular to an adjustable pulp screen for papermaking. Background Art

[0002] Papermaking is an important invention of the working people in ancient China. There are two forms: machine-made and hand-made. Machine-made is carried out continuously on a papermaking machine. The pulp suitable for paper quality is diluted with water to a certain concentration, and initially dehydrated on the wire of the papermaking machine to form wet paper sheets, which are then squeezed and dehydrated, and then dried into paper. The pulp is separated from the cellulose by a screening machine.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: in the existing technology, when the pulp screening machine filter screen filters the pulp, only one layer of filter screen is set, resulting in poor filtering effect, thereby causing the pulp to contain a large amount of impurities and residues, affecting the quality of subsequent paper forming.

[0004] Therefore, the present invention provides an adjustable pulp screen for papermaking to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide an adjustable pulp screen for papermaking to solve the problems raised in the above background technology.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A papermaking adjustable pulp screening machine comprises a tank body, an adjusting assembly is arranged inside the tank body, and a limit assembly is arranged on the surface of the tank body, the adjusting assembly comprises a servo motor fixed to the bottom surface of the tank body, and the extending shaft of the servo motor is fixed with a connecting shaft, a cross block 1 is fixed to the top surface of the connecting shaft, and a sleeve is sleeved on the surface of the cross block 1, a screen cylinder is fixed to the top surface of the sleeve, and a plurality of groups of filter screens 1 are fixed to the inner wall of the screen cylinder, the surface of the screen cylinder is connected with a limit bolt by a thread, and the surface of the limit bolt is connected with an annular block by a thread, and a filter screen 2 is fixed to the inner side of the annular block.

[0008] As a further solution of the present invention, the annular blocks are provided in two groups, and the annular blocks are arranged symmetrically with each other, and the inner walls of the annular blocks are in contact with the inner wall of the tank body.

[0009] As a further solution of the present invention, a connecting plate is fixed to the inner wall of the screen cylinder, and a bearing is fixed to the top surface of the connecting plate, a cross block 2 is fixedly installed inside the bearing, and a limit plate is provided on the top surface of the cross block 2, and a cross groove is opened on the surface of the limit plate.

[0010] As a further solution of the present invention, the inner wall of the cross groove contacts the inner wall of the cross block 2, and the connecting plate and the screen cylinder are an integrated structure.

[0011] As a further solution of the present invention, an annular cylinder is fixed to the side surface of the limit plate, and a sleeve is fixed to the surface of the annular cylinder, an L-groove is opened on the surface of the sleeve, and a spring is provided inside the sleeve, a convex column is movably connected inside the sleeve, and a sliding column is fixed to the surface of the convex column.

[0012] As a further solution of the present invention, the surface of the protruding column 1 contacts the inner wall of the sleeve 1, and the surface of the sliding column 1 fits the inner wall of the L-groove 1.

[0013] As a further solution of the present invention, a fixed shaft is fixed on the surface of the connecting shaft, a stirring plate is fixed on the surface of the fixed shaft, and a scraper is fixed on the side surface of the fixed shaft.

[0014] As a further solution of the present invention, a fixing block is fixed on the surface of the tank body, and a supporting column is fixed on the bottom surface of the tank body, a ball bearing is provided on the bottom surface of the supporting column, a discharge pipe is fixed on the bottom surface of the tank body, and an electric control valve is provided on the surface of the discharge pipe.

[0015] As a further solution of the present invention, the limiting assembly includes a top cover arranged on the top surface of the tank body, the top surface of the top cover is provided with a circular groove, and the surface of the top cover is provided with a groove, the top surface of the top cover is fixed with a cylinder, and the side surface of the top cover is fixed with a sleeve 2.

[0016] As a further solution of the present invention, the surface of the cylinder fits with the inner wall of the annular cylinder, and the inner wall of the groove fits with the inner wall of the fixing block.

[0017] As a further solution of the present invention, the surface of the sleeve 2 is provided with an L-groove 2, and the interior of the sleeve 2 is provided with a spring 2, the interior of the sleeve 2 is movably connected with a boss 2, and the surface of the boss 2 is fixed with a sliding column 2, and the boss 2 passes through the top cover and the tank body in sequence and extends to the interior of the tank body.

[0018] Compared with the related art, the adjustable pulp screen for papermaking provided by the present invention has the following beneficial effects:

[0019] 1. When the present invention is in use, an adjusting component is arranged inside the tank body, and a screen drum and a limiting bolt are arranged inside the adjusting component. The annular block and the filter screen 2 can be disassembled by screwing the limiting bolt, so that the number of the filter screen 2 can be adjusted according to actual use requirements. Due to the arrangement of the filter screen 1 and the filter screen 2, the slurry can be filtered in multiple stages, which reduces the impurities and residues in the slurry and improves the quality of the subsequent paper after forming. By arranging the sleeve 1 and the convex column 1, the convex column 1 can be separated from the cylinder by sliding, so that the sleeve is separated from the cylinder, the limiting plate is slid, so that the limiting plate is separated from the cross block 2, and the screen drum groove is slid, so that the screen drum is separated from the tank body, which is convenient for cleaning the screen drum and improves the actual use effect.

[0020] 2. When the present invention is used, a ball bearing is arranged at the bottom of the supporting column, so that the tank body can be moved conveniently. At the same time, due to the arrangement of the stirring plate, when the connecting shaft rotates, the stirring plate can be driven to rotate, thereby improving the slurry mixing effect. A scraper is arranged on the surface of the fixed shaft, so that the four corners of the tank body can be cleaned.

[0021] 3. When the present invention is used and the top cover needs to be disassembled, the second protrusion can be separated from the tank body by sliding the second protrusion, and the top cover can be disassembled by sliding, so that the inner wall of the tank body can be cleaned conveniently. At the same time, due to the arrangement of the groove and the fixing block, the top cover can be easily positioned, which makes installation more convenient.

[0022] To sum up, the present invention is provided with an adjustment component inside the tank body, and a screen cylinder and a limit bolt are provided inside the adjustment component. By screwing the limit bolt, the annular block and the filter screen 2 can be disassembled, so that the number of the filter screens 2 can be adjusted according to actual use requirements. Due to the setting of the filter screens 1 and 2, the slurry can be filtered in multiple stages, which reduces impurities and residues in the slurry and improves the quality of subsequent paper forming. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic structural diagram of a preferred embodiment of an adjustable pulp screen for papermaking provided by the present invention;

[0024] Figure 2 It is a schematic diagram of the structure of the present invention;

[0025] Figure 3 A top view of the present invention;

[0026] Figure 4 It is a rear cross-sectional view of the present invention;

[0027] Figure 5 It is the front view of the present invention;

[0028] Figure 6 for Figure 2 Enlarged view of point A in .

[0029] Numbers in the figure: 1, tank; 2, adjustment assembly; 201, servo motor; 202, connecting shaft; 203, cross block 1; 204, sleeve; 205, screen cylinder; 206, filter screen 1; 207, limit bolt; 208, ring block; 209, filter screen 2; 210, connecting plate; 211, bearing; 212, cross block 2; 213, limit plate; 214, cross groove; 215, ring cylinder; 216, sleeve 1; 217, L Groove 1; 218, spring 1; 219, boss 1; 220, slide 1; 221, fixed shaft; 222, stirring plate; 223, scraper; 3, limit assembly; 301, top cover; 302, circular groove; 303, groove; 304, cylinder; 305, sleeve 2; 306, L groove 2; 307, spring 2; 308, boss 2; 309, slide 2; 4, fixed block; 5, support column; 6, ball bearing; 7, discharge pipe; 8, electric control valve. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings, in which typical embodiments of the present invention are shown.

[0031] Embodiment 1:

[0032] Reference Figure 1-6 As shown, an adjustable pulp screening machine for papermaking of the present invention comprises a tank body 1, an adjusting assembly 2 is arranged inside the tank body 1, and a limiting assembly 3 is arranged on the surface of the tank body 1, the adjusting assembly 2 comprises a servo motor 201 fixed to the bottom surface of the tank body 1, and a connecting shaft 202 is fixed to the protruding shaft of the servo motor 201, a cross block 203 is fixed to the top surface of the connecting shaft 202, and a sleeve 204 is sleeved on the surface of the cross block 203, a screen cylinder 205 is fixed to the top surface of the sleeve 204, and a plurality of groups of filter screens 206 are fixed to the inner wall of the screen cylinder 205, the surface of the screen cylinder 205 is threadedly connected to a limiting bolt 207, and the surface of the limiting bolt 207 is threadedly connected to an annular block 208, and a filter screen 209 is fixed to the inner side of the annular block 208.

[0033] In this embodiment, refer to Figure 1-6 As shown, two groups of annular blocks 208 are provided, and the annular blocks 208 are arranged symmetrically with each other, and the inner walls of the annular blocks 208 are in contact with the inner wall of the tank body 1.

[0034] In this embodiment, refer to Figure 1-6 As shown, a connecting plate 210 is fixed to the inner wall of the screen drum 205, and a bearing 211 is fixed to the top surface of the connecting plate 210, a cross block 212 is fixedly installed inside the bearing 211, and a limiting plate 213 is provided on the top surface of the cross block 212, and a cross groove 214 is opened on the surface of the limiting plate 213.

[0035] In this embodiment, refer to Figure 1-6 As shown, the inner wall of the cross groove 214 contacts the inner wall of the cross block 212, and the connecting plate 210 and the screen cylinder 205 are an integrated structure.

[0036] In this embodiment, refer to Figure 1-6 As shown, an annular cylinder 215 is fixed to the side surface of the limiting plate 213, and a sleeve 216 is fixed to the surface of the annular cylinder 215, an L-groove 217 is provided on the surface of the sleeve 216, and a spring 218 is provided inside the sleeve 216, a boss 219 is movably connected inside the sleeve 216, and a sliding column 220 is fixed to the surface of the boss 219.

[0037] In this embodiment, refer to Figure 1-6 As shown, the surface of the protruding column 219 contacts the inner wall of the sleeve 216 , and the surface of the sliding column 220 fits the inner wall of the L-groove 217 .

[0038] In this embodiment, refer to Figure 1-6 As shown, a fixed shaft 221 is fixed to the surface of the connecting shaft 202 , a stirring plate 222 is fixed to the surface of the fixed shaft 221 , and a scraper 223 is fixed to the side surface of the fixed shaft 221 .

[0039] Embodiment 2:

[0040] Reference Figure 1-6 As shown, the difference from Example 1 is that a fixing block 4 is fixed to the surface of the tank body 1, and a supporting column 5 is fixed to the bottom surface of the tank body 1, a ball 6 is provided on the bottom surface of the supporting column 5, a discharge pipe 7 is fixed to the bottom surface of the tank body 1, and an electric control valve 8 is provided on the surface of the discharge pipe 7.

[0041] In this embodiment, refer to Figure 1-6 As shown, the limiting assembly 3 includes a top cover 301 arranged on the top surface of the tank body 1, a circular groove 302 is opened on the top surface of the top cover 301, and a groove 303 is opened on the surface of the top cover 301, a cylinder 304 is fixed on the top surface of the top cover 301, and a sleeve 2 305 is fixed on the side surface of the top cover 301.

[0042] In this embodiment, refer to Figure 1-6 As shown, the surface of the cylinder 304 fits with the inner wall of the annular cylinder 215 , and the inner wall of the groove 303 fits with the inner wall of the fixing block 4 .

[0043] In this embodiment, refer to Figure 1-6As shown, an L-groove 2 306 is opened on the surface of the sleeve 305, and a spring 2 307 is provided inside the sleeve 305. A boss 2 308 is movably connected inside the sleeve 305, and a sliding column 2 309 is fixed on the surface of the boss 308. The boss 2 308 passes through the top cover 301 and the tank body 1 in sequence and extends to the interior of the tank body 1.

[0044] The working principle of the present invention is as follows: an adjusting component 2 is arranged inside the tank body 1, and a filter screen 1 206 and a filter screen 209 are arranged inside the adjusting component 2, so that the slurry can be filtered in multiple stages, the impurities and residues in the slurry are reduced, and the quality of the subsequent paper after forming is improved. When the number of filter screens 209 needs to be adjusted, the number of filter screens 209 can be adjusted by screwing the limit bolt 207. When the screen cylinder 205 needs to be disassembled, the sliding column 1 220 is used, and the sliding column 1 220 drives the convex column 1 219 to slide, so that the convex column 1 219 is separated from the cylinder 304. The annular cylinder 215 can be separated from the cylinder 304 by sliding the annular cylinder 215 upwards. The limiting plate 213 can be separated from the cross block 212 by sliding the limiting plate 213. The screen cylinder 205 is slid to separate the sleeve. 204 is separated from the cross block 1 203, so it is convenient to disassemble the screen drum 205 and clean the screen drum 205. The ball 6 is fixed on the bottom surface of the support column 5 to facilitate the movement of the tank body 1 and improve the actual use effect. Due to the setting of the stirring plate 222, when the connecting shaft 202 rotates, it can drive the stirring plate 222 to rotate, thereby improving the slurry mixing effect. The surface of the fixed shaft 221 is provided with a scraper 223, which can clean the four corners of the tank body 1. When the top cover 301 needs to be disassembled, the sliding column 2 309 is slid, and the sliding column 2 309 drives the protruding column 2 308 to slide, thereby facilitating the separation of the protruding column 2 308 from the tank body 1, and the top cover 301 can be disassembled, which is convenient for cleaning the inner wall of the tank body 1. At the same time, due to the setting of the groove 303 and the fixed block 4, it is convenient to position the top cover 301, which is more convenient during installation.

[0045] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. An adjustable pulp screen for papermaking, comprising a tank body (1), characterized in that: An adjusting component (2) is provided inside the tank body (1), and a limiting component (3) is provided on the surface of the tank body (1); The adjustment assembly (2) comprises a servo motor (201) fixed to the bottom surface of the tank body (1), and a connecting shaft (202) is fixed to the extended shaft of the servo motor (201), a cross block (203) is fixed to the top surface of the connecting shaft (202), and a sleeve (204) is sleeved on the surface of the cross block (203), a screen cylinder (205) is fixed to the top surface of the sleeve (204), and a plurality of groups of filter screens (206) are fixed to the inner wall of the screen cylinder (205), the surface of the screen cylinder (205) is connected to a limiting bolt (207) by threading, and the surface of the limiting bolt (207) is connected to an annular block (208) by threading, and a filter screen (209) is fixed to the inner side of the annular block (208).

2. The adjustable pulp screen for papermaking according to claim 1, characterized in that: The annular blocks (208) are provided in two groups, and the annular blocks (208) are arranged symmetrically with each other. The inner walls of the annular blocks (208) are in contact with the inner wall of the tank body (1).

3. The adjustable pulp screen for papermaking according to claim 1, characterized in that: A connecting plate (210) is fixed to the inner wall of the screen drum (205), and a bearing (211) is fixed to the top surface of the connecting plate (210). A cross block 2 (212) is fixedly installed inside the bearing (211), and a limiting plate (213) is provided on the top surface of the cross block 2 (212), and a cross groove (214) is provided on the surface of the limiting plate (213).

4. The adjustable pulp screen for papermaking according to claim 3, characterized in that: The inner wall of the cross groove (214) contacts the inner wall of the second cross block (212), and the connecting plate (210) and the screen cylinder (205) are an integrated structure.

5. The adjustable pulp screen for papermaking according to claim 3, characterized in that: An annular cylinder (215) is fixed to the side surface of the limiting plate (213), and a sleeve (216) is fixed to the surface of the annular cylinder (215); an L-groove (217) is provided on the surface of the sleeve (216), and a spring (218) is provided inside the sleeve (216); a convex column (219) is movably connected inside the sleeve (216), and a sliding column (220) is fixed to the surface of the convex column (219).

6. The adjustable pulp screen for papermaking according to claim 5, characterized in that: The surface of the protruding column 1 (219) contacts the inner wall of the sleeve 1 (216), and the surface of the sliding column 1 (220) fits the inner wall of the L-groove 1 (217).

7. The adjustable pulp screen for papermaking according to claim 1, characterized in that: A fixed shaft (221) is fixed on the surface of the connecting shaft (202), a stirring plate (222) is fixed on the surface of the fixed shaft (221), and a scraper (223) is fixed on the side surface of the fixed shaft (221).

8. The adjustable pulp screen for papermaking according to claim 1, characterized in that: A fixing block (4) is fixed on the surface of the tank body (1), and a supporting column (5) is fixed on the bottom surface of the tank body (1), a ball (6) is provided on the bottom surface of the supporting column (5), a discharge pipe (7) is fixed on the bottom surface of the tank body (1), and an electric control valve (8) is provided on the surface of the discharge pipe (7).

9. The adjustable pulp screen for papermaking according to claim 1, characterized in that: The limiting assembly (3) comprises a top cover (301) arranged on the top surface of the tank body (1), a circular groove (302) is provided on the top surface of the top cover (301), and a groove (303) is provided on the surface of the top cover (301), a cylinder (304) is fixed on the top surface of the top cover (301), and a sleeve 2 (305) is fixed on the side surface of the top cover (301).

10. The adjustable pulp screen for papermaking according to claim 9, characterized in that: The surface of the cylinder (304) is fitted with the inner wall of the annular cylinder (215), the inner wall of the groove (303) is fitted with the inner wall of the fixed block (4), the surface of the second sleeve (305) is provided with a second L-groove (306), and the interior of the second sleeve (305) is provided with a second spring (307), the interior of the second sleeve (305) is movably connected with a second convex column (308), and the surface of the second convex column (308) is fixed with a second sliding column (309), and the second convex column (308) passes through the top cover (301) and the tank body (1) in sequence, and extends to the interior of the tank body (1).

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