Grinding disc set

Abstract

A grinding disc set comprises a movable grinding disc and a fixed grinding disc which can rotate relatively. The fixed millstone is mounted above the movable millstone, and an adjustable grinding gap exists between the movable millstone and the fixed millstone; a cover plate for suspending the fixed millstone is arranged on the fixed millstone, and an adjusting assembly for adjusting the height of the fixed millstone is arranged on the cover plate; a water cooling flow path for performing constant-temperature control on the movable millstone is formed on the movable millstone, and a water flow divider for supplying water and discharging water to the water cooling flow path is mounted at the bottom of the movable millstone; compared with the prior art, the fixed millstone is installed on the movable millstone, rotation control is conducted on the movable millstone, and height control is conducted on the fixed millstone, so that a grinding gap always exists between the fixed millstone and the movable millstone, and the fixed millstone and the movable millstone are only in contact with materials in the relative rotation process; mutual abrasion between the fixed millstone and the movable millstone is reduced, abrasion loss of the fixed millstone and the movable millstone is reduced, and heat production of the fixed millstone and the movable millstone is also reduced.

Description

Technical Field

[0001] This invention relates to the field of grinding mill equipment technology, specifically to a grinding disc assembly. Background Technology

[0002] The grinding disc assembly is the core component of the grinding mill. The performance of the grinding disc assembly directly affects the grinding efficiency and quality. The grinding disc assembly usually consists of a moving grinding disc and a fixed grinding disc. The moving grinding disc is mounted on the main shaft and driven to rotate by a motor, while the fixed grinding disc is fixed on the machine body or grinding seat. The two maintain a parallel gap to form the grinding gap.

[0003] During use, after the material enters the grinding chamber through the feed inlet, the rotating grinding disc rotates at high speed, forming a relative motion with the fixed grinding disc. The material is subjected to friction, centrifugal force and shear force in the two grinding gaps.

[0004] Chinese patent CN118751340A discloses a multi-stage grinding and crushing device for grain milling, including a grain grinding mechanism. The grain grinding mechanism includes a grinding processing box, a grinding control panel is installed on the surface of the grinding processing box, a grain feeding component is fixedly installed on the top of the grinding processing box, a grain crushing component is fixedly installed inside the grinding processing box and is located below the grain feeding component, and a crushing and screening component is installed inside the grinding processing box.

[0005] In the aforementioned grinding device, the top grinding disc is mounted on the bottom grinding disc, and the bottom grinding disc is fixedly installed inside the grinding chamber. The relative rotation of the top and bottom grinding discs is achieved by the rotation of the top grinding disc. However, in this grinding method, the top grinding disc is directly pressed onto the bottom grinding disc. During the rotation of the top grinding disc, there is always dynamic friction between the top and bottom grinding discs. Under the action of dynamic friction, a large amount of heat is generated, which affects the grinding effect of the grain. At the same time, under the action of dynamic friction, wear will occur on the top and bottom grinding discs, affecting their service life. Summary of the Invention

[0006] The present invention aims to overcome the defects in the prior art and provide a grinding disc assembly with adjustable grinding spacing, long service life, and good grinding effect.

[0007] To achieve the above-mentioned objectives, the present invention adopts the following technical solution: a grinding disc assembly, comprising a movable grinding disc and a fixed grinding disc that can rotate relative to each other; the fixed grinding disc is installed above the movable grinding disc, and there is an adjustable grinding gap between the movable and fixed grinding discs; the fixed grinding disc is provided with a cover plate for suspending the fixed grinding disc, and the cover plate is provided with an adjustment component for adjusting the height of the fixed grinding disc; the movable grinding disc forms a water-cooled flow path for constant temperature control of the movable grinding disc, and a water flow divider for supplying and discharging water to the water-cooled flow path is installed at the bottom of the movable grinding disc; the movable grinding disc forms a plurality of material bins for receiving materials and a plurality of movable grinding strips for grinding, and the fixed grinding disc forms a material passage hole for conveying materials to the material bins and a fixed grinding strip that cooperates with the movable grinding strips, and a grinding gap is formed between the movable grinding strips and the fixed grinding strips; a grinding space is formed between adjacent fixed grinding strips and adjacent movable grinding strips, the grinding space between adjacent fixed grinding strips gradually decreases along the rotation direction of the movable grinding disc, and the grinding space between adjacent movable grinding strips gradually increases along the rotation direction of the movable grinding disc.

[0008] As a preferred embodiment of the present invention, a grinding seat is formed in the middle of the moving grinding disc and is arranged in the direction of the fixed grinding disc. The moving grinding strip and the material bin are both formed on the side wall of the grinding seat. A receiving cavity for accommodating the grinding seat is formed at the bottom of the fixed grinding disc, and the fixed grinding strip is formed on the inner wall of the receiving cavity.

[0009] As a preferred embodiment of the present invention, the moving grinding disc further includes a discharge ring arranged around the grinding seat, and a discharge strip corresponding to the moving grinding strip is formed on the discharge ring. The fixed grinding disc includes a fixed grinding seat for forming a receiving cavity and a mating ring arranged around the fixed grinding seat, and a mating strip corresponding to the fixed grinding strip is formed on the mating ring. The fixed grinding seat has a frustum structure with the size gradually decreasing from bottom to top. Both the discharge ring and the mating ring are arranged horizontally.

[0010] In a preferred embodiment of the present invention, the movable grinding strip is arranged in an inclined state on the movable grinding disc, and the size of the movable grinding strip gradually decreases along the rotation direction of the movable grinding disc; the fixed grinding strip is arranged in an inclined state on the fixed grinding disc, and the size of the fixed grinding strip gradually increases along the rotation direction of the movable grinding disc.

[0011] As a preferred embodiment of the present invention, the adjusting assembly includes a lifting ring for driving the fixed grinding disc to descend and a compression spring for driving the fixed grinding disc to rise and reset. The compression spring is located on the cover plate and abuts against the lifting ring. The lifting ring is provided with a control ring for pressing down the lifting ring.

[0012] In a preferred embodiment of the present invention, a wedge-shaped groove with a progressively varying depth along the circumference of the control ring is formed on the control ring, a wedge-shaped block abutting against the wedge-shaped groove is formed at the bottom of the control ring, and a driver for driving the control ring to rotate and a fixed seat for abutting the top of the control ring are installed on the cover plate. A lead screw is connected to the output end of the driver, and a slider threadedly connected to the lead screw is sleeved on the lead screw. A rack is formed on the slider, and a toothed structure meshing with the rack is formed on the outer ring of the control ring. A clamping seat is provided on the cover plate to ensure that the slider moves along the length direction of the lead screw.

[0013] As a preferred embodiment of the present invention, a rotor body that rotates synchronously with the moving grinding disc is installed at the bottom of the moving grinding disc, a water flow divider is installed between the rotor body and the moving grinding disc, and a water distribution cover located between the rotor body and the moving grinding disc is also installed on the rotor body. The water distribution cover forms a water inlet channel that communicates with the water inlet of the water flow divider, and an outlet cavity that communicates with the water outlet of the water flow divider is formed inside the water distribution cover.

[0014] As a preferred embodiment of the present invention, the water-cooled flow path includes a grinding channel formed at the bottom of the grinding seat and a discharge channel formed at the bottom of the discharge ring. A grinding cover plate is provided at the grinding channel for sealing the grinding channel, and a discharge cover plate is provided at the discharge channel for sealing the discharge channel. A grinding inlet and a grinding outlet are formed on the grinding cover plate, and a discharge inlet and a discharge outlet are formed on the discharge cover plate. The grinding inlet, grinding outlet, discharge inlet, and discharge outlet are all connected to a water flow divider. A grinding baffle is formed in the grinding channel between the grinding inlet and the grinding outlet, and a discharge baffle is formed in the discharge channel between the discharge inlet and the discharge outlet.

[0015] In a preferred embodiment of the present invention, the water flow divider comprises a main inlet, a first inlet, a first outlet, a second inlet, a second outlet, and a main outlet. An inlet channel is formed within the water flow divider to connect the main inlet and the first inlet. The first inlet is connected to a discharge inlet, and the first outlet is connected to a discharge outlet. A secondary channel is formed within the water flow divider to connect the first outlet and the second inlet. The second inlet is connected to a grinding inlet, and the second outlet is connected to a grinding outlet. An outlet channel is formed within the water flow divider to connect the second outlet and the main outlet.

[0016] Compared with existing technologies, by installing a fixed grinding disc on a moving grinding disc and controlling the rotation of the moving grinding disc and the height of the fixed grinding disc, a grinding gap can always be maintained between the fixed and moving grinding discs. As the grinding space between adjacent moving grinding bars gradually increases along the rotation direction of the moving grinding disc, the material between adjacent moving grinding bars moves towards the rear end of the gradually decreasing grinding space during the rotation of the moving grinding disc. This achieves the lifting of the material under the action of the moving grinding bars, which facilitates the cooperation between the fixed and moving grinding bars and achieves the crushing of the material.

[0017] The grinding gap ensures that the fixed grinding disc and the moving grinding disc only come into contact with the material during their relative rotation, reducing mutual wear between the fixed grinding disc and the moving grinding disc, reducing the amount of wear, reducing the heat generated by the fixed grinding disc and the moving grinding disc, and extending the service life of the fixed grinding disc and the moving grinding disc.

[0018] The grinding gap between the fixed grinding disc and the moving grinding disc can be adjusted by the adjustment component to meet the grinding precision requirements of different materials and adapt to the grinding needs of different materials.

[0019] With the help of the material bins, multiple material bins can discharge material on the moving grinding disc at the same time, which can meet the multi-position simultaneous grinding operation between the moving grinding disc and the fixed grinding disc, improve the overall grinding efficiency, and control the discharge amount of the material bins through the cooperation of the material bins and the grinding gap to meet the grinding needs of the moving grinding disc and the fixed grinding disc.

[0020] With the help of the water-cooled flow path and the water flow divider, the temperature of the moving grinding disc can be reduced during rotation, thereby further reducing the heat generated by the moving grinding disc and ensuring the grinding effectiveness of the material. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the present invention;

[0022] Figure 2 yes Figure 1 A magnified view of a section at point A in the middle;

[0023] Figure 3 This is a schematic diagram illustrating the formation of the grinding gap;

[0024] Figure 4 This is the front view of the present invention;

[0025] Figure 5 This is a schematic diagram of the installation of the fixed grinding disc;

[0026] Figure 6 yes Figure 5 A magnified view of a section at point B in the middle;

[0027] Figure 7This is a schematic diagram of the adjustment component;

[0028] Figure 8 This is a schematic diagram of the control loop structure;

[0029] Figure 9 This is a schematic diagram of the lifting ring structure;

[0030] Figure 10 This is a structural schematic diagram of the cover plate;

[0031] Figure 11 This is a schematic diagram of the moving grinding disc;

[0032] Figure 12 yes Figure 11 A magnified view of a section at point C;

[0033] Figure 13 This is the front view of the moving grinding disc;

[0034] Figure 14 This is a schematic diagram of the water flow divider installation;

[0035] Figure 15 This is a schematic diagram of the water-cooled flow path layout;

[0036] Figure 16 This is a schematic diagram of the water-cooled flow path;

[0037] Figure 17 This is a schematic diagram of the water flow divider.

[0038] Figure 18 This is a schematic diagram of the water distribution cover;

[0039] Reference numerals: 1. Moving grinding disc; 11. Moving grinding strip; 12. Material bin; 13. Grinding seat; 14. Discharge ring; 15. Discharge strip; 2. Fixed grinding disc; 21. Fixed grinding strip; 22. Receiving cavity; 23. Material passage hole; 24. Mating ring; 25. Fixed grinding seat; 26. Mating strip; 3. Cover plate; 31. Clamping seat; 32. Compression spring; 4. Adjusting assembly; 41. Lifting ring; 42. Control ring; 43. Wedge groove; 44. Wedge block; 45. Toothed structure; 46. Fixed seat; 47. Driver; 48. Lead screw; 49. Slider; 5. Rotor body; 6. Water flow divider. The system includes: main inlet 61, first inlet 62, first outlet 63, second inlet 64, second outlet 65, inlet channel 66, secondary channel 67, outlet channel 68, main outlet 69, water distribution cover 7, inlet channel 71, outlet chamber 72, discharge channel 8, discharge cover 81, discharge inlet 82, discharge outlet 83, discharge baffle 84, grinding channel 9, grinding cover 91, grinding inlet 92, grinding outlet 93, grinding baffle 94, grinding gap 10, and grinding space 101. Detailed Implementation

[0040] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0041] like Figures 1-18 As shown, a grinding disc assembly includes a movable grinding disc 1 and a fixed grinding disc 2 that can rotate relative to each other; the fixed grinding disc 2 is installed above the movable grinding disc 1, and there is an adjustable grinding gap 10 between the movable grinding disc 1 and the fixed grinding disc 2; the fixed grinding disc 2 is provided with a cover plate 3 for suspending the fixed grinding disc 2, and the cover plate 3 is provided with an adjustment component 4 for adjusting the height of the fixed grinding disc 2; the movable grinding disc 1 forms a water-cooled flow path for constant temperature control of the movable grinding disc 1, and a water flow divider 6 for supplying and discharging water to the water-cooled flow path is installed at the bottom of the movable grinding disc 1; the movable grinding disc 1 forms a plurality of material bins 12 for receiving materials and a plurality of movable grinding strips 11 for grinding, and the fixed grinding disc 2 forms a material passage hole 23 for conveying materials to the material bins 12 and a fixed grinding strip 21 that cooperates with the movable grinding strips 11, and the grinding gap 10 is formed between the movable grinding strips 11 and the fixed grinding strips 21.

[0042] The moving grinding disc 1 rotates under the action of the driving device, realizing the relative rotation of the moving grinding disc 1 and the fixed grinding disc 2, and the relative rotation between the moving grinding strip 11 and the fixed grinding strip 21, thus realizing grinding.

[0043] The moving grinding disc 1 is always at the same horizontal height, while the fixed grinding disc 2 is height-adjusted by the adjusting component 4. The fixed grinding disc 2 is always suspended under the action of the cover plate 3. There is always a non-contact grinding gap 10 between the moving grinding disc 1 and the fixed grinding disc 2. The adjusting component 4 adjusts the grinding gap 10, thereby adjusting the grinding effect of the moving grinding disc 1 and the fixed grinding disc 2.

[0044] During the rotation of the moving grinding disc 1, the water flows inside the moving grinding disc 1, and the flowing water exchanges heat with the moving grinding disc 1 to cool it down and meet the constant temperature grinding requirements of the moving grinding disc 1.

[0045] A grinding seat 13 is formed in the middle of the moving grinding disc 1, which is arranged in the direction of the fixed grinding disc 2. The moving grinding strip 11 and the material bin 12 are both formed on the side wall of the grinding seat 13. A receiving cavity 22 for accommodating the grinding seat 13 is formed at the bottom of the fixed grinding disc 2. The fixed grinding strip 21 is formed on the inner wall of the receiving cavity 22.

[0046] The grinding seat 13 is a frustum structure formed in the middle of the moving grinding disc 1. The moving grinding strip 11 is inclined on the side wall of the frustum structure. The ground material moves along the bottom of the moving grinding disc 1 under the action of gravity, so that the material on the moving grinding disc 1 can be discharged to the discharge ring 14.

[0047] The moving grinding disc 1 also includes a discharge ring 14 surrounding the grinding seat 13, and a discharge strip 15 corresponding to the moving grinding strip 11 is formed on the discharge ring 14. The fixed grinding disc 2 includes a fixed grinding seat 25 for forming a receiving cavity 22 and a mating ring 24 surrounding the fixed grinding seat 25. A mating strip 26 corresponding to the fixed grinding strip 21 is formed on the mating ring 24. The fixed grinding seat 25 has a frustum structure with the size gradually decreasing from bottom to top. Both the discharge ring 14 and the mating ring 24 are horizontally arranged.

[0048] The material ground by the moving grinding disc 1 moves to the discharge ring 14 under the action of gravity. The material is then discharged from the discharge ring 14 under the action of centrifugal force. A guide channel is formed between the adjacent discharge strip 15 and the adjacent mating strip 26 to meet the discharge requirements of the ground material and prevent the material from clogging between the discharge rings 14.

[0049] A grinding space 101 is formed between adjacent fixed grinding strips 21 and adjacent moving grinding strips 11. The grinding space 101 between adjacent fixed grinding strips 21 gradually decreases along the rotation direction of the moving grinding disc 1, while the grinding space 101 between adjacent moving grinding strips 11 gradually increases along the rotation direction of the moving grinding disc 1.

[0050] During the rotation of the moving grinding disc 1, the material moves from the material bin 12 to the moving grinding strip 11 under the action of inertia. As the moving grinding strip 11 rotates relative to the fixed grinding strip 21, the grinding operation of the material is realized.

[0051] As the stationary grinding disc 2 remains stationary, the moving grinding disc 1 rotates. When the moving grinding strip 11 corresponds to the stationary grinding strip 21, this is the maximum grinding space 101 under the grinding gap 10. The material is always within each grinding space 101. As the moving grinding disc 1 rotates, the size of the grinding space 101 gradually decreases until the adjacent moving grinding strip 11 and the next adjacent stationary grinding strip 21 form a new grinding space 101. When a new grinding space 101 is formed, the moving grinding strip 11 and the stationary grinding strip 21 crush the large particles of material in the original grinding space 101.

[0052] The movable grinding strip 11 is set at an angle on the movable grinding disc 1, and the size of the movable grinding strip 11 gradually decreases along the rotation direction of the movable grinding disc 1. The fixed grinding strip 21 is set at an angle on the fixed grinding disc 2, and the size of the fixed grinding strip 21 gradually increases along the rotation direction of the movable grinding disc 1.

[0053] As the moving grinding strip 11 moves, the material located on the adjacent moving grinding strip 11 moves towards the direction of increasing movement of the moving grinding strip 11 under the action of inertia. This causes the material to be lifted under the action of the moving grinding strip 11 and move closer to the fixed grinding strip 21, so that the moving grinding strip 11 and the fixed grinding strip 21 can be squeezed and crushed.

[0054] The same material is subjected to multiple compression and crushing processes in multiple grinding spaces 101. Each compression and crushing process lifts the material until the material size is smaller than the grinding gap 10, thereby achieving the required grinding size.

[0055] The adjustment assembly 4 includes a lifting ring 41 for driving the fixed grinding disc 2 to descend and a compression spring 32 for driving the fixed grinding disc 2 to rise and reset. The compression spring 32 is located on the cover plate 3 and abuts against the lifting ring 41. The lifting ring 41 is provided with a control ring 42 for pressing down the lifting ring 41.

[0056] The cover plate 3 is provided with several guide posts inserted into the bottom of the lifting ring 41, and the compression spring 32 is sleeved on the guide posts, and the compression spring 19 is always in a compressed state.

[0057] The guide post, inserted into the lifting ring 41, limits the rotation of the lifting ring 41. At the same time, the cover plate 3 also has a limiting notch for limiting the rotation of the lifting ring 41. The compression spring 32 abuts against the bottom of the lifting ring 41 and supports the lifting ring 41 under the action of the compression spring 32. Under the action of the control ring 42 driving the lifting ring 7 to press down, the compression spring 19 is further pressed down to control the height of the lifting ring 41. After the control ring 6 is reset, the compression spring 32 resets the height of the lifting ring 41.

[0058] The control ring 42 has a wedge-shaped groove 43 with a progressively varying depth along the circumference of the control ring 42. A wedge-shaped block 44 is formed at the bottom of the control ring 42 and abuts against the wedge-shaped groove 43. The cover plate 3 is equipped with a driver 47 for rotating the control ring 42 and a fixing seat 46 for abutting the top of the control ring 42. The output end of the driver 47 is connected to a lead screw 48. A slider 49 is threadedly connected to the lead screw 48. A rack is formed on the slider 49. The outer ring of the control ring 42 has a toothed structure 45 that meshes with the rack. The cover plate 3 is provided with a clamping seat 31 to ensure that the slider 49 moves along the length of the lead screw 48.

[0059] Under the action of the clamping seat 31, the lead screw 48 and the rack move together, and the rack moves along the axial direction of the lead screw 48. Thus, under the action of the rack, the tooth structure 45 is rotated. The driver 47 can be a motor.

[0060] The control ring 42 is rotated by adjusting component 4, causing the wedge block 44 on the control ring 42 to rotate accordingly. With the position of the corresponding wedge groove 43 remaining unchanged, the wedge block 44 abuts against different positions of the wedge groove 43, so that the wedge block 44 abuts against the wedge groove 43 at different depths, thereby adjusting the gap between the control ring 42 and the lifting ring 41. Under the action of the compression spring 32, it is ensured that the lifting ring 41 always abuts against the control ring 42, and space is reserved for the descent of the lifting ring 41, so as to meet the synchronous height adjustment of the lifting ring 41 and the fixed grinding plate 2 driven by the rotation of the control ring 42.

[0061] The rotor body 5, which rotates synchronously with the moving grinding disc 1, is installed at the bottom of the moving grinding disc 1. The water flow divider 6 is installed between the rotor body 5 and the moving grinding disc 1. A water distribution cover 7, located between the rotor body 5 and the moving grinding disc 1, is also installed on the rotor body 5. The water distribution cover 7 forms a water inlet channel 71 that is connected to the water inlet of the water flow divider 6, and an outlet cavity 72 that is connected to the water outlet of the water flow divider 6 is formed inside the water distribution cover 7.

[0062] The rotor body 5 has water inlet and outlet holes in the middle. The water inlet and outlet holes are used for water intake and water discharge after heat exchange. In use, water intake is carried out in the middle of the water inlet and outlet holes, and water discharge is carried out on the outer ring of the water inlet and outlet holes. The water distribution hood 7 has a water inlet in the middle that is connected to the water inlet and outlet holes. The water flows into the water inlet channel 71 through the water inlet of the water distribution hood 7, and enters the discharge channel 8 and grinding channel 9 through the water flow divider 6, and then enters the water flow divider 6 again. The water flow divider 6 discharges the water after heat exchange through the water outlet chamber 72 and the water inlet and outlet holes.

[0063] The inlet and outlet holes are equipped with an inlet pipe and an outlet pipe sleeved on the inlet pipe. The inlet pipe, outlet pipe and the central axis of the rotor body 5 are concentrically arranged. During the rotation of the rotor body 5, the inlet pipe and outlet pipe are driven to rotate synchronously, so as to achieve stable water intake and water output during the rotation of the inlet pipe and outlet pipe.

[0064] The water-cooled flow path includes a grinding channel 9 formed at the bottom of the grinding base 13 and a discharge channel 8 formed at the bottom of the discharge ring 14. A grinding cover plate 91 is provided at the grinding channel 9 to cover the grinding channel 9, and a discharge cover plate 81 is provided at the discharge channel 8 to cover the discharge channel 8. A grinding inlet 92 and a grinding outlet 93 are formed on the grinding cover plate 91, and a discharge inlet 82 and a discharge outlet 83 are formed on the discharge cover plate 81. The grinding inlet 92, the grinding outlet 93, the discharge inlet 82, and the discharge outlet 83 are all connected to the water flow divider 6. A grinding baffle 94 is formed in the grinding channel 9 between the grinding inlet 92 and the grinding outlet 93, and a discharge baffle 84 is formed in the discharge channel 8 between the discharge inlet 82 and the discharge outlet 83.

[0065] The water flow divider 6 has a main inlet 61, a first inlet 62, a first outlet 63, a second inlet 64, a second outlet 65, and a main outlet 69. The water flow divider 6 has an inlet channel 66 for connecting the main inlet 61 and the first inlet 62. The first inlet 62 is connected to the discharge inlet 92, and the first outlet 63 is connected to the discharge outlet 93. The water flow divider 6 has a secondary channel 67 for connecting the first outlet 63 and the second inlet 64. The second inlet 64 is connected to the grinding inlet 82, and the second outlet 65 is connected to the grinding outlet 83. The water flow divider 6 has an outlet channel 68 for connecting the second outlet 65 and the main outlet 69.

[0066] The inlet channel 66, the secondary channel 67, and the outlet channel 68 are all formed within the water flow divider 6, and the inlet channel 66, the secondary channel 67, and the outlet channel 68 do not interfere with each other.

[0067] Water flows into the main inlet 61 through the inlet channel 71. Under the action of water pressure, the water at the main inlet 61 flows through the inlet channel 66 to the first inlet 62. With the connection between the first inlet 62 and the discharge inlet 81, the water enters the discharge channel 8. Under the action of the discharge baffle 84, the water circulates through the discharge channel 8 once and then flows out from the discharge outlet 83, thereby cooling the discharge ring 14. Under the action of the first outlet 63, the water flows back into the water diverter 6.

[0068] The water that re-enters the water diverter 6 flows through the secondary channel 67 to the second inlet 64. Under the connection between the second inlet 64 and the grinding inlet 92, the water enters the grinding channel 9. Under the action of the grinding baffle 94, the water circulates through the grinding channel 9 once and then flows out from the grinding outlet 93, thereby cooling the grinding seat 13. Under the action of the second outlet 65, the water flows back into the water diverter 6.

[0069] In actual use, the suspension height of the fixed grinding disc 2 is adjusted by adjusting component 4, thereby adjusting the grinding gap 10 between the moving grinding disc 1 and the fixed grinding disc 2 to meet the grinding requirements of materials with different required mesh sizes. Under the action of the water cooling flow path and the water flow divider 6, the cooling requirements of the moving grinding disc 1 are met, so that the moving grinding disc 1 is always kept at a constant temperature.

[0070] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention; therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0071] Although this paper makes extensive use of the figure reference numerals: moving grinding disc 1, moving grinding strip 11, material bin 12, grinding seat 13, discharge ring 14, discharge strip 15, fixed grinding disc 2, fixed grinding strip 21, receiving cavity 22, material passage hole 23, mating ring 24, fixed grinding seat 25, mating strip 26, cover plate 3, clamping seat 31, compression spring 32, adjusting assembly 4, lifting ring 41, control ring 42, wedge groove 43, wedge block 44, toothed structure 45, fixed seat 46, driver 47, lead screw 48, slider 49, rotor body 5, water flow divider 6, main water inlet The terms used include 61, 62, 63, 64, 65, 66, 67, 68, 69, 7, 71, 72, 8, 8, 81, 82, 83, 84, 95, 10, 101, etc., but the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of the invention; interpreting them as any additional limitation would be contrary to the spirit of the invention.

Claims

1. A grinding disc assembly, comprising a movable grinding disc (1) and a fixed grinding disc (2) that are rotatable relative to each other; characterized in that, The fixed grinding disc (2) is installed above the moving grinding disc (1), and there is an adjustable grinding gap (10) between the moving grinding disc (1) and the fixed grinding disc (2); the fixed grinding disc (2) is provided with a cover plate (3) for suspending the fixed grinding disc (2), and the cover plate (3) is provided with an adjustment component (4) for adjusting the height of the fixed grinding disc (2); the moving grinding disc (1) forms a water-cooled flow path for constant temperature control of the moving grinding disc (1), and a water flow divider (6) for supplying and discharging water to the water-cooled flow path is installed at the bottom of the moving grinding disc (1); the moving grinding disc (1) forms a plurality of material bins (12) for receiving materials and a plurality of moving grinding strips (11) for grinding, and the fixed grinding disc (2) A material passage hole (23) for conveying material to the material bin (12) and a fixed grinding strip (21) that cooperates with the moving grinding strip (11) are formed on the upper part. A grinding gap (10) is formed between the moving grinding strip (11) and the fixed grinding strip (21). A grinding space (101) is formed between adjacent fixed grinding strips (21) and adjacent moving grinding strips (11). The grinding space (101) between adjacent fixed grinding strips (21) gradually decreases along the rotation direction of the moving grinding disc (1), and the grinding space (101) between adjacent moving grinding strips (11) gradually increases along the rotation direction of the moving grinding disc (1). Several grinding spaces (101) are connected in sequence to form a grinding gap (10).

2. The grinding disc assembly according to claim 1, characterized in that, The moving grinding disc (1) has a grinding seat (13) in the middle that is arranged in the direction of the fixed grinding disc (2). The moving grinding strip (11) and the material bin (12) are both formed on the side wall of the grinding seat (13). The bottom of the fixed grinding disc (2) has a receiving cavity (22) for accommodating the grinding seat (13). The fixed grinding strip (21) is formed on the inner wall of the receiving cavity (22).

3. A grinding disc assembly according to claim 2, characterized in that, The moving grinding disc (1) also includes a discharge ring (14) arranged around the grinding seat (13), and a discharge strip (15) corresponding to the moving grinding strip (11) is formed on the discharge ring (14). The fixed grinding disc (2) includes a fixed grinding seat (25) for forming a receiving cavity (22) and a mating ring (24) arranged around the fixed grinding seat (25), and a mating strip (26) corresponding to the fixed grinding strip (21) is formed on the mating ring (24).

4. A grinding disc assembly according to claim 3, characterized in that, The fixed grinding seat (25) has a frustum structure with the size gradually decreasing from bottom to top, and the discharge ring (14) and the mating ring (24) are both horizontally arranged.

5. A grinding disc assembly according to claim 1, characterized in that, The moving grinding strip (11) is set in an inclined state on the moving grinding disc (1), and the size of the moving grinding strip (11) gradually decreases along the rotation direction of the moving grinding disc (1). The fixed grinding strip (21) is set in an inclined state on the fixed grinding disc (2), and the size of the fixed grinding strip (21) gradually increases along the rotation direction of the moving grinding disc (1).

6. A grinding disc assembly according to claim 1, characterized in that, The adjustment component (4) includes a lifting ring (41) for driving the fixed grinding disc (2) to descend and a compression spring (32) for driving the fixed grinding disc (2) to rise and reset. The compression spring (32) is located on the cover plate (3) and abuts against the lifting ring (41). The lifting ring (41) is provided with a control ring (42) for pressing down the lifting ring (41).

7. A grinding disc assembly according to claim 6, characterized in that, The control ring (42) has a wedge-shaped groove (43) with a depth that varies progressively along the circumference of the control ring (42). A wedge-shaped block (44) is formed at the bottom of the control ring (42) and abuts against the wedge-shaped groove (43). A driver (47) for driving the control ring (42) to rotate and a fixed seat (46) for abutting against the top of the control ring (42) are installed on the cover plate (3). A lead screw (48) is connected to the output end of the driver (47). A slider (49) is threadedly connected to the lead screw (48). A rack is formed on the slider (49). A toothed structure (45) that meshes with the rack is formed on the outer ring of the control ring (42). A clamping seat (31) is provided on the cover plate (3) to ensure that the slider (49) moves along the length of the lead screw (48).

8. A grinding disc assembly according to claim 3, characterized in that, The bottom of the moving grinding disc (1) is equipped with a rotor body (5) that rotates synchronously with the moving grinding disc (1). The water flow divider (6) is installed between the rotor body (5) and the moving grinding disc (1). The rotor body (5) is also equipped with a water distribution hood (7) located between the rotor body (5) and the moving grinding disc (1). The water distribution hood (7) forms a water inlet channel (71) that is connected to the water inlet of the water flow divider (6), and a water outlet cavity (72) that is connected to the water outlet of the water flow divider (6) is formed inside the water distribution hood (7).

9. A grinding disc assembly according to claim 8, characterized in that, The water-cooled flow path includes a grinding channel (9) formed at the bottom of the grinding seat (13) and a discharge channel (8) formed at the bottom of the discharge ring (14). A grinding cover plate (91) is provided at the grinding channel (9) to cover the grinding channel (9), and a discharge cover plate (81) is provided at the discharge channel (8) to cover the discharge channel (8). A grinding inlet (92) and a grinding outlet (93) are formed on the grinding cover plate (91), and a discharge cover plate (81) is formed on the discharge cover plate (81). There is a discharge inlet (82) and a discharge outlet (83). The grinding inlet (92), grinding outlet (93), discharge inlet (82) and discharge outlet (83) are all connected to the water flow divider (6). A grinding baffle (94) is formed in the grinding channel (9) between the grinding inlet (92) and the grinding outlet (93). A discharge baffle (84) is formed in the discharge channel (8) between the discharge inlet (82) and the discharge outlet (83).

10. A grinding disc assembly according to claim 9, characterized in that, The water flow divider (6) has a main inlet (61), a first inlet (62), a first outlet (63), a second inlet (64), a second outlet (65), and a main outlet (69). The water flow divider (6) has an inlet channel (66) for connecting the main inlet (61) and the first inlet (62). The first inlet (62) is connected to the discharge inlet (92), and the first outlet (63) is connected to the discharge outlet. The material outlet (93) is connected to the water flow divider (6), and a secondary flow channel (67) is formed inside the water flow divider (6) to connect the first water outlet (63) and the second water inlet (64). The second water inlet (64) is connected to the grinding water inlet (82), and the second water outlet (65) is connected to the grinding water outlet (83). The water flow divider (6) is formed inside the water flow divider (6) to connect the second water outlet (65) and the main water outlet (69).

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