Grinding disc structure of pulping machine

Abstract

The utility model provides a pulping machine millstone structure, which relates to the technical field of paper pulp grinding, and comprises a support frame, a group of driving mechanisms and two groups of drainage components are arranged above the support frame, the two groups of drainage components are symmetrically distributed, and the driving mechanisms are jointly composed of electric motors and rotating shafts. The drainage assembly is composed of a stable shell, a movable shell and a funnel, and the two sides of the rotating shaft are each provided with a locking nut. A first grinding disc and a second grinding disc which are assembled are arranged to grind fiber paper, the grinding discs are provided with friction strips inclined at different angles, the friction strips can grind paper pulp to be finer, the first grinding disc comprises a positioning disc, a grinding plate and a dispersing block, the second grinding disc comprises a positioning ring, a positioning disc and a grinding plate, the grinding plate is of a fan-shaped structure, and the dispersing block is arranged on the positioning ring. A group of grinding plates are spliced into the grinding disc, so that the effect of independently maintaining the grinding plates is achieved, and the problem that the existing grinding disc is integrally replaced after being abraded is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper pulp grinding, in particular to a grinding disc structure of a pulping machine. Background Art

[0002] At present, with the continuous progress of the papermaking industry, synthetic fiber paper is involved in the field of fiber paper. Synthetic fiber paper can better meet people's demand for paper use. At present, the fiber paper is ground with the help of a pulping machine and a grinding disc. However, the currently used grinding disc still has the following defects:

[0003] 1. The grinding disc currently used basically relies on the friction and extrusion force of the plane to grind the pulp. When the size of the grinding particles does not meet the production requirements, the number of pulp grinding and energy consumption will increase;

[0004] 2. The grinding disc currently used is basically an integral structure, so the grinding disc needs to be replaced as a whole after being worn, which increases the replacement cost of the grinding disc;

[0005] 3. The fixed grinding disc is basically stabilized by a set of built-in bolts. Rust and waste residue are easily accumulated in the groove of the bolts, which increases the operation steps and labor when disassembling and assembling the grinding disc;

[0006] 4. During the pulp grinding process, in order to prevent the locking nut from loosening, the operator will tighten the locking nut with force, which may easily cause thread damage. Utility Model Content

[0007] The utility model discloses a grinding disc structure of a pulping machine. After the grinding disc is installed inside a drainage component, an electric motor is controlled to drive the grinding disc to rotate, and the grinding disc refines fiber paper. The grinding disc is removed and replaced separately after being worn. After the fixed grinding disc is installed, the positioning can be completed by rotating the grinding disc.

[0008] According to a first aspect of the present disclosure, a grinding disc structure of a pulping machine is provided, which specifically includes: a support frame, wherein a group of driving mechanisms and two groups of drainage components are installed at an upper position of the support frame, and the two groups of drainage components are symmetrically distributed, the driving mechanism is composed of an electric motor and a rotating shaft, the drainage component is composed of a stable shell, a movable shell, and a funnel, a locking nut is installed on both sides of the rotating shaft, a group of first grinding disc structures is installed on the inner side of the stable shell, the first grinding disc structure is composed of a first positioning disc, a first grinding plate, a dispersion block, and a locking groove, a drainage body and a group of second grinding disc structures are installed on the inner side of the movable shell, and the funnel is installed at an upper position of the drainage body, and the second grinding disc structure is composed of a positioning ring, a second positioning disc, and a second grinding plate.

[0009] Furthermore, the electric motor is installed above the support frame, and a group of bevel gears are installed between the driving shaft and the rotating shaft of the electric motor. A rectangular positioning block is provided at both ends of the rotating shaft, and an external thread is opened at one end of the end of the rotating shaft. The first positioning plate has a rectangular mounting groove at the inner side, and the positioning block extends to the inside of the mounting groove.

[0010] Furthermore, the stable shell has a rotating hole in the middle, the rotating shaft passes through the rotating hole, a hinged movable shell is installed at the outer side of the stable shell, and a locking bolt is installed between the stable shell and the movable shell.

[0011] Furthermore, the first positioning plate is installed on the inner side of the stable shell, and a group of first grinding plates with a fan-shaped structure are installed on the outer side of the first positioning plate. The first positioning plate is provided with a group of surrounding heat dissipation grooves on the basis of the outer side surface, and the first grinding plate is provided with a group of surrounding dispersion blocks on the basis of the outer side surface, and the dispersion blocks are rectangular structures.

[0012] Furthermore, the first positioning plate and the second positioning plate respectively have a group of cylindrical step structure mounting holes on the left and right surfaces, and the first grinding plate and the second grinding plate respectively have a cylindrical structure mounting block on the inner side surface, and the mounting block extends into the interior of the mounting hole.

[0013] Furthermore, the first grinding plate has a group of evenly distributed locking grooves at the bottom, the locking nut is provided with an elastic block on one side, the locking nut and the elastic block are respectively provided with a group of locking blocks on the basis of the outer side surface, and the elastic block is provided with a stretching block on the basis of the outer side surface.

[0014] Furthermore, the drainage body is provided with two stabilizing blocks at one end, the positioning ring is provided with two arc-shaped guide grooves on the basis of the inner side surface, an installation groove corresponding to the stabilizing block is provided at the end of the guide groove, the stabilizing block is provided with an open groove in the middle position, the stabilizing block is provided with an arc-shaped clamping block on the basis of the outer side surface, and the positioning ring is provided with a clamping groove at the end of the guide groove.

[0015] Furthermore, the positioning ring cooperates with a group of bolts to install a second positioning plate on one side, and the second positioning plate cooperates with bolts to install a group of fan-shaped second positioning plates on the outside, the second positioning plate is provided with a positioning block, and the first grinding plate and the second positioning plate are respectively provided with a group of inclined friction strips on the basis of the outer side.

[0016] The utility model provides a grinding disc structure for a pulping machine, which has the following beneficial effects:

[0017] The assembled first grinding disc and the second grinding disc structure are set to realize the grinding of fiber paper. The grinding disc is provided with friction strips inclined at different angles, which can grind the pulp finer. The specific benefits of the grinding disc are as follows:

[0018] First, the first grinding disc includes a positioning disc, a grinding plate, and a dispersion block, and the second grinding disc includes a positioning ring, a positioning disc, and a grinding plate;

[0019] Secondly, the grinding plate is set in a fan-shaped structure, and a group of grinding plates are spliced ​​into a grinding disc, so that the grinding plates can be maintained separately, solving the current problem of replacing the entire grinding disc after it is worn out;

[0020] The setting of the dispersion block helps to disperse and refine the pulp, and improves the pulp refining efficiency. The positioning plate is provided with a heat dissipation groove, which helps to dissipate the heat of the grinding plate.

[0021] A locking groove is provided on one side of the positioning ring, and a stabilizing block is provided at the end of the drainage body. After the second grinding disc is installed, the stabilizing block can quickly stabilize the second grinding disc, thereby achieving the effect of convenient disassembly and assembly of the second grinding disc;

[0022] In addition, a locking nut is provided to lock the first grinding disc, and a locking block is provided on the mounting surface of the locking nut. The locking block can prevent the locking nut from loosening and avoids the operator from tightening the locking nut forcefully. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] 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.

[0024] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0025] In the attached picture:

[0026] Figure 1 The schematic diagram of the axial structure of the pulping machine and the grinding disc after assembly of the present application is shown;

[0027] Figure 2 It shows a schematic diagram of the axle side structure after the movable housing of the present application is opened;

[0028] Figure 3 A schematic diagram of the partially cutaway axial structure of the drainage assembly and the grinding disc after they are combined is shown;

[0029] Figure 4 A schematic diagram of the partially cutaway axial structure of the drainage assembly of the present application after opening is shown;

[0030] Figure 5 A schematic diagram of a partially cutaway axial structure of a first grinding disc structure of the present application is shown;

[0031] Figure 6 An axial schematic diagram of a split structure of a second grinding disc structure of the present application is shown;

[0032] Figure 7 A schematic diagram of the half-cut axial structure of the first grinding disc structure and the second grinding disc structure of the present application is shown;

[0033] Figure 8 An axial schematic diagram of the first grinding disc structure and the second grinding disc split structure of the present application is shown;

[0034] Fig. 9 This application shows Figure 4 A is an enlarged structural diagram of FIG.

[0035] Reference numerals list

[0036] 1. Support frame;

[0037] 2. driving mechanism; 201. electric motor; 202. rotating shaft;

[0038] 3. Drainage assembly; 301. Stable housing; 302. Movable housing; 303. Funnel;

[0039] 4. First grinding disc structure; 401. First positioning disc; 402. First grinding plate; 403. Dispersion block; 404. Locking groove;

[0040] 5. Locking nut; 501. Elastic block; 502. Tensile block;

[0041] 6. Drainage body; 601. Stabilizing block;

[0042] 7. Second grinding disc structure; 701. Positioning ring; 702. Second positioning disc; 703. Second grinding plate. DETAILED DESCRIPTION

[0043] 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.

[0044] Example 1: Please refer to Figures 1 to 9 :

[0045] The utility model proposes a grinding disc structure of a pulping machine, comprising: a support frame 1, a group of driving mechanisms 2 and two groups of drainage components 3 are installed at the upper position of the support frame 1, and the two groups of drainage components 3 are symmetrically distributed. The driving mechanism 2 is composed of an electric motor 201 and a rotating shaft 202. The drainage component 3 is composed of a stable shell 301, a movable shell 302, and a funnel 303. The stable shell 301 is provided with a rotating hole at the middle position, and the rotating shaft 202 passes through the inside of the rotating hole. A hinged movable shell 302 is installed at the outer position of the stable shell 301. A locking bolt is installed between the stable shell 301 and the movable shell 302. The locking bolt is rotated to achieve a sealing effect between the stable shell 301 and the movable shell 302.

[0046] In the embodiments of the present disclosure, reference Figures 1 to 9 As shown, a first grinding disc structure 4 is installed on the inner side of the stable shell 301, and the first grinding disc structure 4 is composed of a first positioning disc 401, a first grinding plate 402, a dispersion block 403, and a locking groove 404. The electric motor 201 is installed above the support frame 1, and a group of bevel gears are installed between the driving shaft of the electric motor 201 and the rotating shaft 202. The electric motor 201 drives the rotating shaft 202 to rotate. The rotating shaft 202 is respectively provided with a rectangular positioning block at both ends, and an end of the rotating shaft 202 is provided with an external thread. The first positioning disc 401 is provided with a rectangular mounting groove at the inner side, and the positioning block extends to the inside of the mounting groove. Under the cooperation of the positioning block and the positioning groove, the rotating shaft 202 can stably drive the two first positioning discs 401 to rotate at the same time, thereby reducing the driving cost and energy consumption of the electric motor 201.

[0047] In the embodiments of the present disclosure, reference Figures 1 to 9 As shown, the first positioning disc 401 is installed at the inner side of the stable shell 301, and a group of first grinding plates 402 with fan-shaped structures are installed at the outer side of the first positioning disc 401. A group of first grinding plates 402 are spliced ​​into a grinding disc with a circular structure. The first grinding plates 402 are installed and replaced separately. The assembly setting of the first grinding plates 402 and the second grinding plates 703 is convenient for separate replacement after wear, which solves the current problem of replacing the first grinding plates 402 and the second grinding plates 703 as a whole after wear. The first positioning disc 401 is provided with a group of surrounding heat dissipation grooves on the basis of the outer side surface. The first positioning disc 401 cooperates with the heat dissipation grooves to help the heat dissipation of the first grinding plate 402 when rotating. The first grinding plate 402 is provided with a group of surrounding dispersion blocks 403 on the basis of the outer side surface. The dispersion blocks 403 are of rectangular structure. During the rotation of the first grinding plate 402, the dispersion blocks 403 disperse and refine the pulp, thereby improving the pulp refining efficiency of the pulp. The first positioning disc 401 drives the first grinding plate 402 to rotate to grind the pulp.

[0048] In the embodiments of the present disclosure, reference Figures 1 to 9As shown, a group of evenly distributed locking grooves 404 are provided at the bottom of the first grinding plate 402, an elastic block 501 is provided on one side of the locking nut 5, and a group of locking blocks are respectively provided on the outer side of the locking nut 5 and the elastic block 501. When the locking block extends to the inside of the locking groove 404, the locking nut 5 is prevented from loosening and stabilized, and the locking nut 5 is prevented from loosening during the pulp grinding process. A stretching block 502 is provided on the outer side of the elastic block 501. When the locking nut 5 is removed, the staff applies a push-pull force to the stretching block 502 to deform the elastic block 501 under stress, and the locking nut 5 can be flexibly removed at this time;

[0049] In the embodiments of the present disclosure, reference Figures 1 to 9 As shown, a drainage body 6 and a group of second grinding disc structures 7 are installed on the inner side of the movable shell 302, and the funnel 303 is installed above the drainage body 6. The drainage body 6 is provided with an adjustment body on one side, and the adjustment structure of the adjustment body still adopts the current existing technology. The second grinding disc structure 7 is composed of a positioning ring 701, a second positioning disc 702, and a second grinding plate 703. The drainage body 6 is provided with two stabilizing blocks 601 at one end. The positioning ring 701 is provided with two guide grooves of arc structure on the basis of the inner side surface. An installation groove corresponding to the stabilizing block 601 is provided at the end of the guide groove. With the cooperation of the installation groove, the drainage body 6 and the positioning ring 701 are effectively aligned. The operator rotates the second grinding disc structure 7 and cooperates with the guide groove to complete the stable docking of the drainage body 6 and the positioning ring 701, which solves the problem that the current second grinding disc structure 7 needs to be connected to the drainage body 6 by bolts. The stabilizing block 601 is provided with an open groove in the middle position. After the staff rotates the second grinding disc structure 7, the stabilizing block 601 can be deformed with the cooperation of the open groove. The stabilizing block 601 is provided with a card block with an arc structure on the basis of the outer side surface, and the positioning ring 701 has a card slot at the end of the guide groove. When the rotation direction of the first grinding disc structure 4 is the same as that of the guide groove, the card block cooperates with the card slot to achieve the effect of positioning and stabilizing the installation position of the second grinding disc structure 7;

[0050] In the embodiments of the present disclosure, reference Figures 1 to 9As shown, a positioning ring 701 cooperates with a group of bolts to install a second positioning plate 702 on one side, and the second positioning plate 702 cooperates with bolts to install a group of second positioning plates 702 of fan-shaped structure on the outside, and the second positioning plate 702 is provided with a positioning block. The second positioning plate 702 has the same installation structure as the first grinding plate 402. The first grinding plate 402 and the second positioning plate 702 are respectively provided with a group of inclined friction strips on the basis of the outer side surface. The first grinding plate 402 and the second positioning plate 702 can grind the pulp finer after splicing with the friction strips. After installation, the positioning ring 701 can cover and seal the fixing bolts of the second grinding plate 703 to achieve the effect of fixing bolt protection. The first positioning plate 401 and the second positioning plate 702 are respectively provided with a group of cylindrical step structure mounting holes on the basis of the left and right surfaces. The first grinding plate 402 and the second grinding plate 703 are respectively provided with a cylindrical structure mounting block on the inner side surface, and the mounting block extends to the inside of the mounting hole. With the cooperation of the mounting block, the first grinding plate 402 and the second grinding plate 703 can achieve the effect of positioning the installation position.

[0051] Embodiment 2, based on embodiment 1, refers to Figures 1 to 9 As shown, the rotating shaft 202 can be set as a split structure, and a spline groove and a sliding sleeve are set at the split position of the rotating shaft 202. The spline groove and the sliding sleeve form a simple clutch structure, and the rotation amount of the first grinding disc structure 4 is controlled by operating the sliding sleeve.

[0052] The working principle of this embodiment:

[0053] When installing the first grinding disc structure 4, a set of first grinding plates 402 are installed on one side of the first positioning disc 401 in cooperation with the positioning blocks and bolts, and then the first grinding disc structure 4 is installed on the outer side of the rotating shaft 202 for positioning, and then the locking nut 5 is installed on the external thread position of the rotating shaft 202 to complete the installation of the first grinding disc structure 4;

[0054] When installing the second grinding disc structure 7, first install a set of second grinding plates 703 in conjunction with the positioning blocks and bolts on the outer side of the second positioning disc 702, then install the positioning ring 701 in conjunction with the bolts on the other side of the second positioning disc 702, and then the operator installs the second grinding disc structure 7 in conjunction with the installation groove on the outer side of the drainage body 6, and the staff rotates the second grinding disc structure 7 in conjunction with the guide groove to complete the positioning and installation of the second grinding disc structure 7;

[0055] When grinding the pulp, the electric motor 201 is controlled to drive the rotating shaft 202 to rotate. At this time, the rotating shaft 202 drives the two sets of first grinding disc structures 4 to rotate simultaneously, and the synthetic fiber paper to be ground is placed in the funnel 303. At this time, the first grinding plate 402 and the second grinding plate 703 grind the fiber paper, and then containers are placed on both sides of the support frame 1 to collect the pulp;

[0056] When cleaning the first grinding plate 402 and the second grinding plate 703, loosen the locking bolts of the stable housing 301 and the movable housing 302, open the movable housing 302, and clean the first grinding plate 402 and the second grinding plate 703;

[0057] When replacing the first grinding plate 402, the operator applies a push-pull force to the stretching block 502, then removes the locking nut 5, loosens the locking bolt of the first grinding plate 402, and replaces the first grinding plate 402;

[0058] When replacing the second grinding plate 703, firstly disassemble the second grinding disc structure 7 as a whole, disassemble the positioning ring 701, and then disassemble and replace the second grinding plate 703.

[0059] In this article, there are a few points to note:

[0060] 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.

[0061] 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.

[0062] 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 refiner disc structure, comprising: A support frame (1), a first grinding disc structure (4) and a second grinding disc structure (7); characterized in that the first grinding disc structure (4) comprises: a first positioning disc (401), a first grinding plate (402), a dispersion block (403), and a locking groove (404); The support frame (1) is provided with a set of driving mechanisms (2) and two sets of drainage components (3) at the upper position. The two sets of drainage components (3) are symmetrically distributed. The driving mechanism (2) is composed of an electric motor (201) and a rotating shaft (202). The drainage component (3) is composed of a stable shell (301), a movable shell (302) and a funnel (303). A set of first grinding disc structures (4) is installed on the inner side of the stable shell (301). A locking nut (5) is installed on both sides of the rotating shaft (202). The movable shell (302) is provided with a drainage body (6) and a group of second grinding disc structures (7) on the inner side, the funnel (303) is provided above the drainage body (6), and the second grinding disc structure (7) is composed of a positioning ring (701), a second positioning disc (702), and a second grinding plate (703).

2. A refiner disc structure according to claim 1, characterized in that: The electric motor (201) is installed above the support frame (1), and a group of bevel gears are installed between the driving shaft of the electric motor (201) and the rotating shaft (202). The rotating shaft (202) is provided with a positioning block at both ends, and an end of the rotating shaft (202) is provided with an external thread. The first positioning plate (401) is provided with a mounting groove at the inner side, and the positioning block extends to the inside of the mounting groove.

3. A refiner disc structure according to claim 1, characterized in that: The stable shell (301) has a rotating hole in the middle, the rotating shaft (202) passes through the inside of the rotating hole, a hinged movable shell (302) is installed at the outer position of the stable shell (301), and a locking bolt is installed between the stable shell (301) and the movable shell (302).

4. A refiner disc structure according to claim 1, characterized in that: The first positioning plate (401) is installed at the inner side of the stable shell (301), and a group of first grinding plates (402) with fan-shaped structures are installed at the outer side of the first positioning plate (401). The first positioning plate (401) is provided with a group of surrounding heat dissipation grooves on the basis of the outer side surface, and the first grinding plate (402) is provided with a group of surrounding dispersion blocks (403) on the basis of the outer side surface.

5. A refiner disc structure according to claim 1, characterized in that: The first positioning plate (401) and the second positioning plate (702) are provided with a group of mounting holes on the left and right surfaces respectively, and the first grinding plate (402) and the second grinding plate (703) are provided with a mounting block on the inner side surface respectively, and the mounting block extends into the interior of the mounting hole.

6. A refiner disc structure according to claim 1, characterized in that: The first grinding plate (402) is provided with a group of evenly distributed locking grooves (404) at the bottom, the locking nut (5) is provided with an elastic block (501) on one side, the locking nut (5) and the elastic block (501) are respectively provided with a group of locking blocks on the basis of the outer side surface, and the elastic block (501) is provided with a stretching block (502) on the basis of the outer side surface.

7. A refiner disc structure according to claim 1, characterized in that: The drainage body (6) is provided with two stabilizing blocks (601) at one end, the positioning ring (701) is provided with two guide grooves on the basis of the inner side surface, the end of the guide groove is provided with a mounting groove corresponding to the stabilizing block (601), the stabilizing block (601) is provided with an open groove at the middle position, the stabilizing block (601) is provided with a clamping block on the basis of the outer side surface, and the positioning ring (701) is provided with a clamping groove at the end of the guide groove.

8. A refiner disc structure according to claim 1, characterized in that: The positioning ring (701) is equipped with a set of bolts on one side to install a second positioning plate (702), and the second positioning plate (702) is equipped with a set of fan-shaped second positioning plates (702) on the outside to install a set of bolts. The second positioning plate (702) is provided with a positioning block, and the first grinding plate (402) and the second positioning plate (702) are respectively provided with a set of friction strips on the basis of the outer side surface.

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