Novel single-screw pulping machine

By setting adjustable coarse, medium and fine slurry rings on the refining screw of the single-screw refiner, the problem that existing single-screw refiners can only grind out a single type of slurry, and multifunctional slurry is achieved Grinding has expanded the scope of application of the equipment.

CN222455669UActive Publication Date: 2025-02-11QIANAN HENGMAO PAPER CO LTD
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Patent Information

Application Number
CN202420894880.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-02-11
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The existing single-screw refiners can only grind out a single type of slurry due to the fixed gap between the outer refining ring and the inner refining ring, resulting in a small scope of application.

Method used

A new single-screw refiner was designed. By setting up three coarse refining rings, medium refining rings and fine refining rings of different diameters on the refining screw, and using linear bearings, ball bearings, hydraulic push rods, etc. The combination of components enables the position of these refining rings to be adjusted according to requirements, thereby achieving the functions of coarse, medium and fine grinding.

Benefits of technology

This design expands the scope of application of single-screw grinders, allowing them to grind various types of slurry, and improves the functional flexibility and application breadth of the grinders.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of single-screw pulping machines, and discloses a novel single-screw pulping machine which comprises a machine frame, the bottom of the machine frame is fixedly connected with a bottom plate, the upper surface of the machine frame is fixedly connected with a machine shell, the inner wall of the machine shell is fixedly connected with a linear bearing, and the inner wall of the machine shell is fixedly connected with a screw rod. Pulping screws are arranged on the inner walls of the linear bearings and the inner wall of the machine shell in an attached mode, and ball bearings are fixedly connected to the surfaces of the pulping screws. According to the pulping device, the coarse pulping ring, the middle pulping ring and the fine pulping ring which are different in diameter are arranged on the pulping screw rod, and the positions of the coarse pulping ring, the middle pulping ring and the fine pulping ring can be adjusted according to pulping requirements through cooperation of the linear bearing, the ball bearing, the first connecting block, the U-shaped plate and the hydraulic push rod; therefore, the single-screw pulping machine has three different pulping functions of coarse grinding, medium grinding and fine grinding, so that the application range of the single-screw pulping machine is wide.
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Description

Technical Field

[0001] The utility model relates to the technical field of single-screw refiners, in particular to a novel single-screw refiner. Background Art

[0002] The papermaking process can be roughly divided into two parts: pulping and papermaking. The pulping section processes raw materials such as pulp board and waste paper through processes such as pulping, refining, and deinking to make pulp and transport it to the papermaking section. The papermaking section further forms, dries, and calenders the pulp to form finished paper.

[0003] At present, the single-screw refiner for refining is mainly composed of a casing, a driving mechanism, a refining screw and an inner refining ring, wherein the refining screw is driven to rotate by the driving mechanism, and then the raw material is pushed to the inner refining ring by the spiral blades on the refining screw. At this time, the raw material is ground by the cooperation of the inner refining ring and the outer refining ring on the refining screw. For example, an environmentally friendly composite packaging paper refiner disclosed in Chinese patent announcement No. CN213925650U, but since the gap between the outer refining ring and the inner refining ring on the refining screw is fixed, the single-screw refiner can only grind out a single type of slurry, which leads to a small scope of application of the single-screw refiner. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: at present, the single-screw refiner used for refining is mainly composed of a casing, a driving mechanism, a refining screw and an inner refining ring, wherein the refining screw is driven to rotate by the driving mechanism, and then the raw material is pushed to the inner refining ring by the spiral blades on the refining screw. At this time, the raw material is ground by the cooperation of the inner refining ring and the outer refining ring on the refining screw, but since the gap between the outer refining ring and the inner refining ring on the refining screw is fixed, the single-screw refiner can only grind out a single type of slurry, which leads to a small application range of the single-screw refiner, and a new single-screw refiner is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The cam is provided with a plurality of rollers, the rollers are provided with a plurality of rollers, the rollers are provided with a plurality of rollers, and the plurality of rollers are provided with a plurality of rollers.

[0007] Preferably, the refining screw comprises a cylinder, the surface of the cylinder contacts the inner wall of the linear bearing, the surface of the cylinder is fixedly connected to a first hollow shaft, the surface of the first hollow shaft is fixedly connected to a baffle, the surface of the baffle contacts the inner wall of the casing, the surface of the first hollow shaft is fixedly connected to spiral blades, the surface of the first hollow shaft is fixedly connected to an outer refining ring, the outer refining ring and the spiral blades are staggered, a strip hole is opened inside the cylinder, the inner wall of the strip hole contacts the surface of the sliding column, and the surface of the cylinder is fixedly connected to the inner wall of the ball bearing.

[0008] Preferably, the outer refining ring comprises a coarse refining ring, a middle refining ring and a fine refining ring, the left side of the middle refining ring is fixedly connected to the right side of the coarse refining ring, the right side of the middle refining ring is fixedly connected to the left side of the fine refining ring, and the inner wall of the coarse refining ring, the inner wall of the middle refining ring and the inner wall of the fine refining ring are all fixedly connected to the surface of the first hollow shaft.

[0009] Preferably, the driving mechanism includes a motor bracket, the bottom of the motor bracket is fixedly connected to the upper surface of the base plate, the upper surface of the motor bracket is fixedly connected to a driving motor, the upper surface of the motor bracket is fixedly connected to a reducer, the output end of the driving motor is fixedly connected to the input end of the reducer through a coupling, the output end of the reducer is fixedly connected to a second hollow shaft through a coupling, and the upper and lower ends of the sliding column are fixedly connected to the inner wall of the second hollow shaft.

[0010] Preferably, locking brackets are fixedly connected to the upper and lower sides of the second hollow shaft, through holes are provided on the front and rear sides of the second hollow shaft, locking grooves are provided on the front and rear sides of the cylinder, and the inner walls of the locking grooves and the inner walls of the through holes are in contact with the surface of the locking brackets.

[0011] Preferably, the locking bracket includes a rectangular tube, and the upper and lower sides of the inner wall of the rectangular tube and the upper and lower sides of the second hollow shaft are fixedly connected with a second connecting block, and the front and rear sides of the rectangular tube are provided with threaded holes, and the inner walls of the threaded holes are threadedly connected with bolts, and the inner walls of the locking groove and the inner walls of the through hole are in contact with the surface of the bolts.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model provides a coarse refining ring, a medium refining ring and a fine refining ring with three different diameters on the refining screw, and through the cooperation of a linear bearing, a ball bearing, a first connecting block, a U-shaped plate and a hydraulic push rod, the positions of the coarse refining ring, the medium refining ring and the fine refining ring can be adjusted according to the refining demand, thereby enabling the single screw refiner to have three different refining functions of coarse refining, medium refining and fine refining, thereby making the single screw refiner have a wider range of application.

[0014] (2) The utility model provides a locking bracket, a through hole and a locking groove. When the bolt in the locking bracket is screwed into the locking groove, the left and right movement of the refining screw is restricted by the cooperation of the bolt and the locking groove, thereby reducing the horizontal force exerted by the refining screw on the hydraulic push rod when the refining screw rotates, thereby making the hydraulic push rod less likely to be damaged and the connection between the ball bearing and the refining screw less likely to crack. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0018] Figure 4 It is a left side view of the casing of the utility model;

[0019] Figure 5 It is a top view of the refining screw in the utility model;

[0020] Figure 6 It is a front view of the refining screw in the utility model;

[0021] Figure 7 It is a front view of the driving mechanism in the utility model;

[0022] Figure 8 It is a right side view of the second hollow shaft in the utility model;

[0023] Fig. 9It is a front view of the locking bracket in the utility model;

[0024] Fig.10 for Fig. 9 Sectional view at CC.

[0025] In the figure: 1. frame; 2. bottom plate; 3. casing; 4. linear bearing; 5. grinding screw; 51. cylinder; 52. first hollow shaft; 53. baffle; 54. spiral blade; 55. outer grinding ring; 551. coarse grinding ring; 552. medium grinding ring; 553. fine grinding ring; 56. strip hole; 6. ball bearing; 7. first connecting block; 8. U-shaped plate; 9. hydraulic push rod; 10. slide column; 11. driving mechanism; 111. motor bracket; 112. driving motor; 113. reducer; 114. second hollow shaft; 12. support ring; 13. inner grinding ring; 14. feed hopper; 15. discharge pipe; 16. locking bracket; 161. rectangular cylinder; 162. second connecting block; 163. threaded hole; 164. bolt; 17. through hole; 18. locking groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] Embodiment 1:

[0029] Reference Figure 1-8A novel single-screw pulping machine comprises a frame 1, a bottom plate 2 is fixedly connected to the bottom of the frame 1, a casing 3 is fixedly connected to the upper surface of the frame 1, a linear bearing 4 is fixedly connected to the inner wall of the casing 3, a pulping screw 5 is fitted on the inner wall of the linear bearing 4 and the inner wall of the casing 3, the linear bearing 4 makes the pulping screw 5 move more smoothly when horizontally, a ball bearing 6 is fixedly connected to the surface of the pulping screw 5, a first connecting block 7 is fixedly connected to the surface of the ball bearing 6, and the first connecting block 7 can rotate on the pulping screw 5 through the ball bearing 6, a U-shaped plate 8 is fixedly connected to the right side of the casing 3, and the U-shaped plate 8 The right side of the inner wall and the right side of the first connecting block 7 are fixedly connected with a hydraulic push rod 9, which controls the left and right movement of the refining screw 5. A sliding column 10 is fitted on the inner wall of the refining screw 5. A driving mechanism 11 is fixedly connected to the upper surface of the bottom plate 2. The upper and lower ends of the sliding column 10 are fixedly connected to the inner wall of the driving mechanism 11. A support ring 12 is fixedly connected to the inner wall of the casing 3. An inner refining ring 13 is fixedly connected to the inner wall of the support ring 12. The inner refining ring 13 is fixed in the casing 3 through the support ring 12. A feed hopper 14 is fixedly connected to the upper surface of the casing 3, and a discharge pipe 15 is fixedly connected to the bottom of the casing 3.

[0030] The refining screw 5 includes a cylinder 51, the surface of the cylinder 51 contacts the inner wall of the linear bearing 4, the surface of the cylinder 51 is fixedly connected with a first hollow shaft 52, the surface of the first hollow shaft 52 is fixedly connected with a baffle 53, a first air hole is opened on the left side of the casing 3, and the air on the left side of the baffle 53 does not hinder the movement of the baffle 53 through the first air hole, the surface of the baffle 53 contacts the inner wall of the casing 3, and the surface of the first hollow shaft 52 is fixedly connected with a spiral blade 54, and the baffle 53 is used to limit the raw materials entering the casing 3, so that the raw materials can be After the material enters the casing 3, it will not flow to the left side of the spiral blade 54, which will cause the spiral blade 54 to be unable to normally transport the raw material to the right. The surface of the first hollow shaft 52 is fixedly connected with an outer refining ring 55, and the outer refining ring 55 and the spiral blade 54 are staggered. A strip hole 56 is opened inside the cylinder 51, and the inner wall of the strip hole 56 contacts the surface of the slide column 10. A second air hole is opened in the slide column 10, and the slide column 10 can move smoothly in the strip hole 56 through the second air hole. The surface of the cylinder 51 is fixedly connected to the inner wall of the ball bearing 6.

[0031] The outer refining ring 55 comprises a coarse refining ring 551, a middle refining ring 552 and a fine refining ring 553. The left side of the middle refining ring 552 is fixedly connected to the right side of the coarse refining ring 551, and the right side of the middle refining ring 552 is fixedly connected to the left side of the fine refining ring 553. The inner wall of the coarse refining ring 551, the inner wall of the middle refining ring 552 and the inner wall of the fine refining ring 553 are all fixedly connected to the surface of the first hollow shaft 52. By setting three different diameters on the refining screw 5 The coarse grinding ring 551, the medium grinding ring 552 and the fine grinding ring 553 are provided, and through the cooperation of the linear bearing 4, the ball bearing 6, the first connecting block 7, the U-shaped plate 8 and the hydraulic push rod 9, the positions of the coarse grinding ring 551, the medium grinding ring 552 and the fine grinding ring 553 can be adjusted according to the refining demand, so that the single screw refiner has three different refining functions of coarse grinding, medium grinding and fine grinding, so that the single screw refiner has a wider range of application.

[0032] The driving mechanism 11 includes a motor bracket 111, the bottom of which is fixedly connected to the upper surface of the base plate 2, a driving motor 112 is fixedly connected to the upper surface of the motor bracket 111, a reducer 113 is fixedly connected to the upper surface of the motor bracket 111, an output end of the driving motor 112 is fixedly connected to the input end of the reducer 113 via a coupling, an output end of the reducer 113 is fixedly connected to a second hollow shaft 114 via a coupling, and upper and lower ends of the sliding column 10 are fixedly connected to the inner wall of the second hollow shaft 114. Through the cooperation of the sliding column 10 and the strip hole 56, the driving mechanism 11 can not only drive the cylinder 51 to rotate, but also the cylinder 51 can move left and right in the second hollow shaft 114.

[0033] Embodiment 2:

[0034] Reference Figure 1-10 The upper and lower sides of the second hollow shaft 114 are fixedly connected with locking brackets 16, the front and rear sides of the second hollow shaft 114 are provided with through holes 17, the front and rear sides of the cylinder 51 are provided with locking grooves 18, and the inner walls of the locking grooves 18 and the inner walls of the through holes 17 are in contact with the surface of the locking bracket 16.

[0035] The locking bracket 16 includes a rectangular tube 161, and the upper and lower sides of the inner wall of the rectangular tube 161 and the upper and lower sides of the second hollow shaft 114 are fixedly connected with a second connecting block 162, and the front and rear sides of the rectangular tube 161 are provided with threaded holes 163, and the inner wall of the threaded hole 163 is threadedly connected with a bolt 164, and the inner wall of the locking groove 18 and the inner wall of the through hole 17 are in contact with the surface of the bolt 164. When the bolt 164 in the locking bracket 16 is screwed into the locking groove 18, the left and right movement of the refining screw 5 is restricted by the cooperation of the bolt 164 and the locking groove 18, thereby reducing the horizontal force applied by the refining screw 5 to the hydraulic push rod 9 when the refining screw 5 rotates, thereby making the hydraulic push rod 9 not easily damaged, and making the connection between the ball bearing 6 and the refining screw 5 not easily cracked. When adjusting the position of the refining screw 5, it is necessary to first unscrew the bolt 164 from the locking groove 18.

[0036] In the utility model, when the user uses the single-screw pulping machine, he first adjusts the positions of the coarse pulping ring 551, the middle pulping ring 552 and the fine pulping ring 553 according to the pulping demand. When adjusting, first screw out the bolt 164 from the locking groove 18, and then adjust one of the coarse pulping ring 551, the middle pulping ring 552 and the fine pulping ring 553 to the inner pulping ring 13 through the hydraulic push rod 9. After adjustment, screw the bolt 164 into the locking groove 18, and the left and right movement of the pulping screw 5 is restricted by the cooperation of the bolt 164 and the locking groove 18. During pulping, the pulping screw 5 is driven to rotate by the driving motor 112, and then the raw material is poured into the casing 3 through the feed hopper 14. At this time, the raw material in the casing 3 is pushed to the right by the rotating spiral blade 54, and then the raw material is ground by the cooperation of the outer pulping ring 55 and the inner pulping ring 13, and the ground slurry is discharged through the discharge pipe 15.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A novel single screw refiner, comprising a frame (1), characterized in that: The bottom of the frame (1) is fixedly connected to a bottom plate (2), the upper surface of the frame (1) is fixedly connected to a housing (3), the inner wall of the housing (3) is fixedly connected to a linear bearing (4), the inner wall of the linear bearing (4) and the inner wall of the housing (3) are both fitted with a refining screw (5), the surface of the refining screw (5) is fixedly connected to a ball bearing (6), the surface of the ball bearing (6) is fixedly connected to a first connecting block (7), the right side of the housing (3) is fixedly connected to A U-shaped plate (8) is connected to the housing (3); the right side of the inner wall of the U-shaped plate (8) and the right side of the first connecting block (7) are both fixedly connected to a hydraulic push rod (9); the inner wall of the grinding screw (5) is fitted with a sliding column (10); the upper surface of the bottom plate (2) is fixedly connected to a driving mechanism (11); the upper and lower ends of the sliding column (10) are both fixedly connected to the inner wall of the driving mechanism (11); the inner wall of the housing (3) is fixedly connected to a support ring (12); the inner wall of the support ring (12) is fixedly connected to The inner grinding ring (13) is connected to the housing (3); the upper surface of the housing (3) is fixedly connected to a feed hopper (14); the bottom of the housing (3) is fixedly connected to a discharge pipe (15); the grinding screw (5) comprises a cylinder (51); the surface of the cylinder (51) contacts the inner wall of the linear bearing (4); the surface of the cylinder (51) is fixedly connected to a first hollow shaft (52); the surface of the first hollow shaft (52) is fixedly connected to a baffle (53); the surface of the baffle (53) contacts the inner wall of the linear bearing (4); The first hollow shaft (52) is in contact with the inner wall of the casing (3); the surface of the first hollow shaft (52) is fixedly connected with a spiral blade (54); the surface of the first hollow shaft (52) is fixedly connected with an outer grinding ring (55); the outer grinding ring (55) and the spiral blade (54) are arranged in a staggered manner; a strip hole (56) is opened inside the cylinder (51); the inner wall of the strip hole (56) is in contact with the surface of the sliding column (10); and the surface of the cylinder (51) is fixedly connected with the inner wall of the ball bearing (6).

2. A novel single screw refiner according to claim 1, characterized in that: The outer grinding ring (55) comprises a coarse grinding ring (551), a middle grinding ring (552) and a fine grinding ring (553); the left side of the middle grinding ring (552) is fixedly connected to the right side of the coarse grinding ring (551); the right side of the middle grinding ring (552) is fixedly connected to the left side of the fine grinding ring (553); and the inner wall of the coarse grinding ring (551), the inner wall of the middle grinding ring (552) and the inner wall of the fine grinding ring (553) are all fixedly connected to the surface of the first hollow shaft (52).

3. A novel single screw refiner according to claim 1, characterized in that: The driving mechanism (11) comprises a motor bracket (111), the bottom of the motor bracket (111) is fixedly connected to the upper surface of the base plate (2), the upper surface of the motor bracket (111) is fixedly connected to a driving motor (112), the upper surface of the motor bracket (111) is fixedly connected to a reducer (113), the output end of the driving motor (112) is fixedly connected to the input end of the reducer (113) via a coupling, the output end of the reducer (113) is fixedly connected to a second hollow shaft (114) via a coupling, and the upper and lower ends of the sliding column (10) are fixedly connected to the inner wall of the second hollow shaft (114).

4. A novel single screw refiner according to claim 3, characterized in that: The upper and lower sides of the second hollow shaft (114) are fixedly connected with locking brackets (16), the front and rear sides of the second hollow shaft (114) are provided with through holes (17), the front and rear sides of the cylinder (51) are provided with locking grooves (18), and the inner walls of the locking grooves (18) and the inner walls of the through holes (17) are in contact with the surface of the locking bracket (16).

5. A novel single screw refiner according to claim 4, characterized in that: The locking bracket (16) comprises a rectangular tube (161), the upper and lower sides of the inner wall of the rectangular tube (161) and the upper and lower sides of the second hollow shaft (114) are fixedly connected with a second connecting block (162), the front and rear sides of the rectangular tube (161) are provided with threaded holes (163), the inner wall of the threaded hole (163) is threadedly connected with a bolt (164), and the inner wall of the locking groove (18) and the inner wall of the through hole (17) are in contact with the surface of the bolt (164).

Citation Information

Patent Citations

  • Environment-friendly composite packaging paper pulping machine

    CN213925650U