Integral maintenance-free grinding machine device for barite powder processing

Abstract

The invention discloses a barite powder processing integral maintenance-free grinding machine device, and relates to the technical field of grinding equipment, the barite powder processing integral maintenance-free grinding machine device comprises a base, the top of the base is provided with a support plate; the rotating shaft is rotationally arranged at the top of the supporting plate; the communicating assembly is rotationally arranged at the top of the supporting plate, and the communicating assembly and the rotating shaft are fixed; the rotating disc is fixedly arranged on the rotating shaft in a sleeving manner; and the cover body is fixed to the top of the supporting plate, a round hole is formed in the top of the cover body, and the rotating disc is rotationally arranged in the round hole. According to the grinding device, the transmission assembly can be protected through the cover body and the rotating disc, damage to the transmission assembly caused by impurities is avoided, then maintenance of the grinding device is avoided, gas circularly flows in the collecting assembly and the grinding assembly through a gas supply pipe and a communicating assembly in cooperation with the action of a gas circulating assembly, and the grinding efficiency is improved. And winnowing and collecting work of barite powder is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of grinding equipment, and in particular to an integral maintenance-free grinding machine device for barite powder processing. Background Art

[0002] Barite powder, also known as barium sulfate powder, is a sulfate mineral, mostly in the form of dense blocks, plates or granular aggregates. In order to achieve the required fineness and particle size distribution and meet the application needs of different industrial fields, the barite particles after crushing need to be further ground. This requires a maintenance-free grinding machine device for barite powder processing.

[0003] In the prior art, the transmission parts of most grinding devices have a low degree of sealing, and the powder generated during the grinding process will enter the transmission parts of the grinding device, resulting in a high maintenance frequency of the transmission parts of the grinding equipment, affecting the normal progress of the grinding work. Summary of the invention

[0004] The object of the present invention is to provide an integral maintenance-free grinding machine device for processing barite powder to solve the technical problems in the prior art.

[0005] The present invention provides an integral maintenance-free grinding machine device for processing barite powder, comprising:

[0006] A base, wherein a support plate is provided on the top of the base;

[0007] A rotating shaft, the rotating shaft is rotatably arranged on the top of the supporting plate;

[0008] A connecting component, wherein the connecting component is rotatably arranged on the top of the support plate, and the connecting component and the rotating shaft are fixed;

[0009] A rotating disk, wherein the rotating disk is fixedly sleeved on the rotating shaft;

[0010] A cover body, the cover body is fixed on the top of the support plate, a round hole is opened on the top of the cover body, and a turntable is rotatably arranged in the round hole;

[0011] A plurality of air supply pipes, each of which is rotatably arranged on the turntable, and each of which passes through the bottom of the turntable;

[0012] A plurality of grinding assemblies, wherein the plurality of grinding assemblies are rotatably arranged on the top of the rotating disk, and the plurality of grinding assemblies are connected to the plurality of air supply pipes in one-to-one communication;

[0013] A transmission assembly, wherein the transmission assembly is fixed to the rotating shaft and connected to a plurality of air supply pipes;

[0014] A fixing assembly, the fixing assembly being arranged on the top of the rotating shaft and being used for fixing a plurality of grinding assemblies;

[0015] A collecting assembly is fixed on the top of the support plate and is connected to a plurality of grinding assemblies.

[0016] A gas circulation component is fixed on the side wall of the support plate, and the gas circulation component and the collecting component are connected with the connecting component.

[0017] Preferably, the connectivity component comprises:

[0018] A seat body, wherein the seat body is rotatably arranged on the top of the support plate, and the plurality of air supply pipes are rotatably connected to the seat body, and the plurality of air supply pipes are communicated with the seat body;

[0019] The transmission frame is fixed on the rotating shaft, and the transmission frame and the seat body are fixed.

[0020] Preferably, the transmission assembly comprises:

[0021] A plurality of gears, wherein the plurality of gears and the plurality of air supply pipes are fixed one to one;

[0022] An inner gear ring is fixed on the top of the support plate, and each gear is meshed with the inner gear ring.

[0023] Preferably, the grinding assembly comprises:

[0024] A fixed frame, the fixed frame is rotatably arranged on the top of the turntable;

[0025] A tank body, wherein the tank body is placed in a fixed frame, and an air supply pipe passes through the inner wall of the bottom of the tank body;

[0026] A second filter screen, wherein the second filter screen is fixed on the inner wall of the tank, and the air supply pipe is located below the second filter screen;

[0027] A hopper, wherein the hopper is fixed on the top of the tank body;

[0028] A support plate, the support plate is fixed on the inner wall of the hopper, and a threaded hole is formed on the top of the support plate;

[0029] A screw rod, the screw rod is connected to the threaded hole;

[0030] The sealing plate is arranged in the tank body, and the sealing plate is rotatably connected to the screw rod.

[0031] Preferably, the collecting assembly comprises:

[0032] A collecting tank, wherein the collecting tank is arranged above the supporting plate;

[0033] A bracket, wherein the bracket is fixed to the collection tank and the bracket is fixed to the top of the support plate;

[0034] A connecting pipe, the connecting pipe is rotatably arranged through the bottom of the collecting tank;

[0035] A plurality of connecting pipes are provided, each of the connecting pipes is provided with a sleeve slidably, and the plurality of sleeves are rotationally connected to the plurality of sealing plates one by one, and the sleeves pass through the bottom of the sealing plates.

[0036] Preferably, a first filter screen is fixed in the collection tank, and a connecting pipe passes through the top of the connecting pipe, and a cover body is hinged on the top of the collection tank.

[0037] Preferably, the gas circulation component comprises:

[0038] An air pump box, the air pump box is fixed on the side wall of the support plate, and an air pump is arranged in the air pump box;

[0039] A negative pressure pipe, which is arranged on the input port of the air pump and passes through the side wall of the collection tank and is located below the first filter screen;

[0040] A positive pressure pipe is arranged on the output port of the air pump, and the positive pressure pipe is communicated with the seat body.

[0041] Preferably, the fixing assembly comprises:

[0042] A fixing ring, a bolt is rotatably provided on the top of the fixing ring, and the bolt is connected to the rotating shaft through a thread;

[0043] The frame body has a rotating head which is arranged on a fixed ring, a plurality of limiting seats are fixed on the side wall of the frame body, and a plurality of balls are rotatably arranged on the top and inner wall of each limiting seat.

[0044] Preferably, a motor is fixed to the bottom of the support plate, and the output shaft and the rotating shaft of the motor are fixed.

[0045] Compared with the prior art, the beneficial effects of the present invention are:

[0046] The present invention can protect the transmission assembly through the cover body and the turntable by providing a cover body, a turntable, a transmission assembly and a gas circulation assembly, so as to prevent impurities from damaging the transmission assembly, thereby avoiding the maintenance of the grinding device. Through the air supply pipe and the connecting assembly, in cooperation with the gas circulation assembly, the gas circulates in the collecting assembly and the grinding assembly, thereby realizing the air separation and collection of the barite powder, thereby preventing the powder from entering the transmission assembly and causing damage to the transmission assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0048] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0049] Figure 2 It is a schematic diagram of the support plate and the motor structure of the present invention;

[0050] Figure 3 It is a schematic diagram of the cross-sectional structure of the collecting tank of the present invention;

[0051] Figure 4 It is a schematic diagram of the cross-sectional structure of the tank body of the present invention;

[0052] Figure 5 It is a schematic diagram of the explosion structure of the connecting pipe and the casing of the present invention;

[0053] Figure 6 It is a schematic diagram of the limiting seat and ball structure of the present invention;

[0054] Figure 7 It is a schematic diagram of the explosion structure of the bolt, the fixing ring and the frame of the present invention;

[0055] Figure 8 It is a schematic diagram of the internal gear ring and gear structure of the present invention;

[0056] Fig. 9 It is a structural schematic diagram of the seat body and the transmission frame of the present invention.

[0057] Reference numerals:

[0058] 1. Base; 2. Support plate; 3. Cover body; 4. Turntable; 5. Fixed frame; 6. Air pump box; 7. Negative pressure pipe; 8. Positive pressure pipe; 9. Tank body; 10. Bracket; 11. Collecting tank; 12. Cover body; 13. Limit seat; 14. Motor; 15. First filter screen; 16. Connecting pipe; 17. Hopper; 18. Connecting pipe; 19. Casing; 20. Sealing plate; 21. Second filter screen; 22. Air supply pipe; 23. Screw rod; 24. Support plate; 25. Frame; 26. Rotating shaft; 27. Bolt; 28. Fixed ring; 29. ​​Inner gear ring; 30. Gear; 31. Transmission frame; 32. Sealing body; 33. Ball. DETAILED DESCRIPTION

[0059] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0060] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0061] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0062] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0063] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0064] Combine the following Figures 1 to 9 As shown, an embodiment of the present invention provides a maintenance-free grinding machine device for processing barite powder, comprising:

[0065] A base 1, a support plate 2 is arranged on the top of the base 1, a motor 14 is fixed on the bottom of the support plate 2, and an output shaft of the motor 14 and a rotating shaft 26 are fixed;

[0066] A rotating shaft 26 is rotatably disposed on the top of the support plate 2;

[0067] A connecting component, which is rotatably arranged on the top of the support plate 2, and the connecting component and the rotating shaft 26 are fixed;

[0068] The rotating disk 4 is fixedly sleeved on the rotating shaft 26;

[0069] The cover body 3 is fixed on the top of the support plate 2. A round hole is opened on the top of the cover body 3, and a turntable 4 is rotatably arranged in the round hole;

[0070] A plurality of air supply pipes 22, each of which is rotatably disposed on the turntable 4, and each of which passes through the bottom of the turntable 4;

[0071] Multiple grinding assemblies, each of which is rotatably disposed on the top of the turntable 4, and each of which is connected to a plurality of air supply pipes 22 in one-to-one communication;

[0072] A transmission assembly, the transmission assembly and the rotating shaft 26 are fixed, and the transmission assembly is connected to a plurality of air supply pipes 22;

[0073] A fixing assembly, which is arranged on the top of the rotating shaft 26 and is used to fix a plurality of grinding assemblies; a collecting assembly, which is fixed on the top of the support plate 2 and is connected to the plurality of grinding assemblies.

[0074] The gas circulation component is fixed on the side wall of the support plate 2, and the gas circulation component and the collecting component are connected with the connecting component.

[0075] The protection of the transmission assembly by the cover body 3 and the turntable 4 prevents the transmission assembly from being damaged by impurities, thereby avoiding the maintenance of the grinding device;

[0076] Through the air supply pipe 22 and the connecting component, in cooperation with the gas circulation component, the gas circulates in the collecting component and the grinding component, thereby achieving the air separation and collection of the barite powder.

[0077] Furthermore, the connectivity components include:

[0078] The seat body 32 is rotatably disposed on the top of the support plate 2, and the plurality of air supply pipes 22 are rotatably connected to the seat body 32, and the plurality of air supply pipes 22 are communicated with the seat body 32;

[0079] The transmission frame 31 is fixed on the rotating shaft 26 , and the transmission frame 31 and the seat body 32 are fixed.

[0080] Furthermore, the transmission assembly includes:

[0081] A plurality of gears 30, wherein the plurality of gears 30 and the plurality of air supply pipes 22 are fixed one to one;

[0082] The inner gear ring 29 is fixed on the top of the support plate 2 , and each gear 30 is meshed with the inner gear ring 29 .

[0083] When the switch of the motor 14 is turned on, the motor 14 drives the shaft 26 to rotate, thereby driving the turntable 4 to rotate, so that each tank body 9 and the air supply pipe 22 revolve around the shaft 26. During this process, the gear 30 on the air supply pipe 22 moves along the surface of the inner gear ring 29, so that the gear 30 rotates around the air supply pipe 22, thereby realizing the rotation of the tank body 9, and then cooperating with the grinding balls in the tank body 9 to realize the grinding of the barite powder raw material.

[0084] Further, the grinding assembly comprises:

[0085] A fixed frame 5, the fixed frame 5 is rotatably arranged on the top of the turntable 4;

[0086] The tank body 9 is placed in the fixing frame 5, and the air supply pipe 22 passes through the bottom inner wall of the tank body 9;

[0087] A second filter screen 21, the second filter screen 21 is fixed on the inner wall of the tank body 9, and the air supply pipe 22 is located below the second filter screen 21;

[0088] A hopper 17, which is fixed on the top of the tank body 9;

[0089] A support plate 24, the support plate 24 is fixed to the inner wall of the hopper 17, and a threaded hole is formed on the top of the support plate 24;

[0090] A screw rod 23, the screw rod 23 is connected to the threaded hole;

[0091] The sealing plate 20 is disposed in the tank body 9 , and the sealing plate 20 and the screw rod 23 are rotatably connected.

[0092] The barite powder raw material is poured into the tank body 9 through the hopper 17 and is placed on the second filter screen 21, and then the grinding balls are placed in the tank body 9, and then the screw rod 23 is rotated. During the rotation of the screw rod 23, the threaded hole on the support plate 24 is matched to realize the rising of the sealing plate 20, thereby realizing the sealing of the tank body 9.

[0093] Further, the collection component includes:

[0094] A collecting tank 11, which is arranged above the supporting plate 2;

[0095] The bracket 10 is fixed to the collecting tank 11, and the bracket 10 is fixed to the top of the supporting plate 2;

[0096] A connecting pipe 16, the connecting pipe 16 is rotatably arranged through the bottom of the collecting tank 11;

[0097] Multiple connecting tubes 18 are all arranged through the side wall of the connecting tube 16 , a sleeve 19 is slidably arranged in each connecting tube 18 , and the multiple sleeves 19 are rotationally connected to the multiple sealing plates 20 one by one, and the sleeves 19 pass through the bottom of the sealing plate 20 .

[0098] Furthermore, a first filter screen 15 is fixed in the collection tank 11 , and a connecting pipe 16 passes through the top of the connecting pipe 16 , and a cover body 12 is hinged on the top of the collection tank 11 .

[0099] Further, the gas circulation component comprises:

[0100] An air pump box 6 is fixed to the side wall of the support plate 2, and an air pump is arranged in the air pump box 6;

[0101] A negative pressure pipe 7 is provided on the input port of the air pump, and the negative pressure pipe 7 passes through the side wall of the collection tank 11 and is located below the first filter screen 15;

[0102] The positive pressure pipe 8 is arranged on the output port of the air pump, and the positive pressure pipe 8 is communicated with the seat body 32 .

[0103] Turn on the air pump switch. When the air pump is working, the gas in the collection tank 11 is extracted through the negative pressure pipe 7, and then the gas is injected into the seat body 32 through the positive pressure pipe 8, and then enters the tank body 9 through the air supply pipe 22. The gas in the tank body 9 then enters the collection tank 11 through the sleeve 19, the connecting pipe 18 and the connecting pipe 16 to realize gas circulation. During the gas circulation process, the ground barite powder is air-selected, and the barite powder that meets the conditions enters the collection tank 11 and is blocked by the first filter screen 15, so that the barite powder is collected in the collection tank 11, realizing the unified collection of barite powder.

[0104] Further, the fixing component includes:

[0105] A fixing ring 28, a bolt 27 is rotatably provided on the top of the fixing ring 28, and the bolt 27 is connected to the rotating shaft 26 through a thread;

[0106] The frame 25 is rotatably mounted on a fixed ring 28. A plurality of limiting seats 13 are fixed to the side wall of the frame 25. A plurality of balls 33 are rotatably mounted on the top and inner wall of each limiting seat 13.

[0107] The fixing ring 28 and the rotating shaft 26 are fastened by bolts 27. During this process, the limiting seat 13 on the frame 25 is sleeved on the tank body 9. During this process, each ball 33 on the limiting seat 13 is in contact with the tank body 9, ensuring the stability of the tank body 9 during rotation.

[0108] The specific working method is: when in use, the barite powder raw material is poured into the tank body 9 through the hopper 17 and is placed on the second filter screen 21, and then the grinding balls are placed in the tank body 9, and then the screw rod 23 is rotated. During the rotation of the screw rod 23, the threaded hole on the support plate 24 is matched to realize the rise of the sealing plate 20, thereby realizing the sealing of the tank body 9;

[0109] Then, the fixing ring 28 and the rotating shaft 26 are fastened by bolts 27. During this process, the limiting seat 13 on the frame 25 is sleeved on the tank body 9. During this process, each ball 33 on the limiting seat 13 is in conflict with the tank body 9.

[0110] Turn on the switch of the motor 14. When the motor 14 is working, the shaft 26 is driven to rotate, thereby driving the turntable 4 to rotate, so that each tank body 9 and the air supply pipe 22 revolve around the shaft 26. During this process, the gear 30 on the air supply pipe 22 moves along the surface of the inner gear ring 29, so that the gear 30 rotates around the air supply pipe 22, thereby realizing the self-rotation of the tank body 9, and then cooperating with the grinding balls in the tank body 9 to realize the grinding of the barite powder raw material;

[0111] Subsequently, the switch of the air pump is turned on. When the air pump is working, the gas in the collecting tank 11 is extracted through the negative pressure pipe 7, and then the gas is injected into the seat body 32 through the positive pressure pipe 8, and then enters the tank body 9 through the air supply pipe 22. The gas in the tank body 9 then enters the collecting tank 11 through the sleeve 19, the connecting pipe 18 and the connecting pipe 16 to realize gas circulation. During the gas circulation process, the ground barite powder is air-selected, and the barite powder that meets the conditions enters the collecting tank 11 and is blocked by the first filter screen 15, so that the barite powder is collected in the collecting tank 11, thereby realizing the unified collection of barite powder.

[0112] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A maintenance-free grinding machine device for barite powder processing, characterized in that: include: A base (1), wherein a support plate (2) is arranged on the top of the base (1); A rotating shaft (26), the rotating shaft (26) being rotatably disposed on the top of the support plate (2); A connecting component, the connecting component is rotatably arranged on the top of the support plate (2), and the connecting component and the rotating shaft (26) are fixed; A rotating disk (4), wherein the rotating disk (4) is fixedly sleeved on the rotating shaft (26); A cover body (3), the cover body (3) is fixed on the top of the support plate (2), a circular hole is opened on the top of the cover body (3), and a rotating disk (4) is rotatably arranged in the circular hole; A plurality of air supply pipes (22), wherein the plurality of air supply pipes (22) are rotatably arranged on the turntable (4), and each air supply pipe (22) passes through the bottom of the turntable (4); A plurality of grinding assemblies, each of which is rotatably arranged on the top of a rotating disk (4), and the plurality of grinding assemblies are connected to a plurality of air supply pipes (22) in a one-to-one manner; A transmission assembly, wherein the transmission assembly is fixed to the rotating shaft (26), and the transmission assembly is connected to a plurality of air supply pipes (22); A fixing assembly, the fixing assembly being arranged on the top of the rotating shaft (26), and the fixing assembly being used to fix a plurality of grinding assemblies; A collecting component is fixed on the top of the support plate (2), and the collecting component is connected to a plurality of grinding components. A gas circulation component is fixed on the side wall of the support plate (2), and the gas circulation component and the collecting component are connected with the connecting component.

2. A barite powder processing overall maintenance-free grinding machine device according to claim 1, characterized in that, The connectivity components include: A seat body (32), the seat body (32) being rotatably disposed on the top of the support plate (2), the plurality of air supply pipes (22) being rotatably connected to the seat body (32), and the plurality of air supply pipes (22) being in communication with the seat body (32); A transmission frame (31) is fixed on the rotating shaft (26), and the transmission frame (31) and the seat body (32) are fixed.

3. A barite powder processing overall maintenance-free grinding machine device according to claim 2, characterized in that, The transmission assembly comprises: A plurality of gears (30), wherein the plurality of gears (30) and the plurality of air supply pipes (22) are fixed one to one; An inner gear ring (29) is fixed on the top of the support plate (2), and each gear (30) is meshed with the inner gear ring (29).

4. A barite powder processing overall maintenance-free grinding machine device according to claim 1, characterized in that, The grinding assembly comprises: A fixed frame (5), the fixed frame (5) is rotatably arranged on the top of the turntable (4); A tank body (9), wherein the tank body (9) is placed in a fixing frame (5), and an air supply pipe (22) passes through the inner wall of the bottom of the tank body (9); A second filter screen (21), wherein the second filter screen (21) is fixed on the inner wall of the tank body (9), and the air supply pipe (22) is located below the second filter screen (21); A hopper (17), wherein the hopper (17) is fixed on the top of the tank body (9); A support plate (24), the support plate (24) being fixed on the inner wall of the hopper (17), and a threaded hole being formed on the top of the support plate (24); A screw rod (23), wherein the screw rod (23) is connected to the threaded hole; A sealing plate (20), wherein the sealing plate (20) is arranged in the tank body (9), and the sealing plate (20) and the screw rod (23) are rotatably connected.

5. A maintenance-free grinding machine device for processing barite powder as a whole according to claim 4, characterized in that, The collection component comprises: A collecting tank (11), wherein the collecting tank (11) is arranged above the supporting plate (2); A bracket (10), wherein the bracket (10) and the collection tank (11) are fixed, and the bracket (10) is fixed on the top of the support plate (2); A connecting pipe (16), the connecting pipe (16) is rotatably arranged to penetrate the bottom of the collecting tank (11); A plurality of connecting tubes (18) are provided, each of the connecting tubes (18) is provided with a sleeve (19) which is slidably arranged in the side wall of the connecting tube (16), and the plurality of sleeves (19) and the plurality of sealing plates (20) are rotatably connected one by one, and the sleeves (19) pass through the bottom of the sealing plate (20).

6. A maintenance-free grinding machine device for processing barite powder as a whole according to claim 5, characterized in that: A first filter screen (15) is fixed inside the collection tank (11), and a connecting pipe (16) passes through the top of the connecting pipe (16). A cover body (12) is hingedly connected to the top of the collection tank (11).

7. A maintenance-free grinding machine device for processing barite powder as a whole according to claim 6, characterized in that: The gas circulation assembly comprises: An air pump box (6), the air pump box (6) being fixed on the side wall of the support plate (2), and an air pump being arranged in the air pump box (6); A negative pressure pipe (7), wherein the negative pressure pipe (7) is arranged on the input port of the air pump, and the negative pressure pipe (7) passes through the side wall of the collection tank (11) and is located below the first filter screen (15); A positive pressure pipe (8) is arranged on the output port of the air pump, and the positive pressure pipe (8) is communicated with the seat body (32).

8. A maintenance-free grinding machine device for processing barite powder according to claim 1, characterized in that: The fixing assembly comprises: A fixing ring (28), the top of which is rotatably provided with a bolt (27), wherein the bolt (27) is connected to the rotating shaft (26) via a thread; A frame (25), the rotating head of the frame (25) is arranged on a fixed ring (28), a plurality of limiting seats (13) are fixed on the side wall of the frame (25), and a plurality of balls (33) are rotatably arranged on the top and inner wall of each limiting seat (13).

9. A maintenance-free grinding machine device for processing barite powder as a whole according to claim 1, characterized in that: A motor (14) is fixed to the bottom of the support plate (2), and the output shaft and the rotating shaft (26) of the motor (14) are fixed.

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