Ball milling system for producing silicon carbide micro powder

Abstract

The invention belongs to the technical field of silicon carbide micro powder production, and particularly relates to a ball milling system for producing silicon carbide micro powder, which comprises a bottom plate, a bearing plate is arranged right above the bottom plate, a cylinder is arranged at the top of the bearing plate through a driving assembly, and a plurality of steel balls are arranged in an inner cavity of the cylinder. The lifting assembly is used for lifting the steel balls and is arranged on the cylinder body; the lifting assembly comprises box bodies, the multiple box bodies are fixedly installed on the outer surface of the barrel in a circular arrangement mode, the air cylinders are fixedly installed in the box bodies, and the air cylinders are fixedly provided with long strip plates through piston rods. According to the invention, the lifting assembly for lifting the steel balls is arranged, so that the falling height of the steel balls can be increased when the barrel rotates, and the impact force of the steel balls on raw materials can be improved by increasing the falling height of the steel balls, so that the ball milling efficiency of silicon carbide micro powder can be improved to a certain extent.

Description

Technical Field

[0001] The invention relates to the technical field of silicon carbide micropowder production, in particular to a ball milling system for producing silicon carbide micropowder. Background Art

[0002] Silicon carbide powder is a product used in the abrasive industry. It is mainly made of quartz sand, petroleum coke (or coal coke), sawdust and other raw materials through high-temperature smelting in a resistance furnace. Its main component is silicon carbide, with the chemical formula SiC. The particle size of silicon carbide powder is very fine, and it is mainly used for ultrafine grinding and grading. The main specifications are 1200# and 1500#. This powder is widely used in the abrasive industry, especially in the production of 3-12 inch single crystal silicon, polycrystalline silicon and other products. Silicon carbide powder has high hardness, strong cutting ability, stable chemical properties and good thermal conductivity, which make it an ideal choice for the abrasive industry. In addition, silicon carbide powder is also used for wire cutting of potassium arsenide and quartz crystals, as well as engineering processing materials in the solar photovoltaic industry, semiconductor industry, and piezoelectric crystal industry.

[0003] At present, in the process of producing silicon carbide micropowder, a ball mill is usually used for crushing, but when the existing ball mill is in operation, the height of the steel balls when falling is limited, which leads to limitations. Therefore, a ball mill system for producing silicon carbide micropowder is invented. Summary of the invention

[0004] In view of the above problems and / or the problems existing in an existing ball milling system for producing silicon carbide micropowder, the present invention is proposed.

[0005] Therefore, an object of the present invention is to provide a ball milling system for producing silicon carbide powder, which can solve the above-mentioned existing problems.

[0006] To solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A ball milling system for producing silicon carbide micropowder comprises a bottom plate, a bearing plate is arranged directly above the bottom plate, a cylinder is arranged on the top of the bearing plate through a driving assembly, a plurality of steel balls are arranged in the inner cavity of the cylinder, and further comprises:

[0008] A lifting component for lifting the steel ball, and the lifting component is arranged on the cylinder;

[0009] The lifting assembly comprises:

[0010] A box body, wherein the outer surface of the cylinder is arranged in a circular shape and a plurality of box bodies are fixedly installed;

[0011] A cylinder, wherein the cylinder is fixedly installed in the box body;

[0012] A long strip, wherein the cylinder is fixedly mounted with the long strip via a piston rod;

[0013] A plurality of slide grooves are arranged in a circular shape in the cylinder, and the long strip is slidably connected in the slide grooves.

[0014] As a preferred solution of a ball milling system for producing silicon carbide micropowder according to the present invention, the driving component comprises:

[0015] A first side plate, the first side plate being fixedly mounted on the top left side of the bearing plate;

[0016] The rotating shaft is rotatably connected to the first side plate through a bearing, and one end of the rotating shaft is fixedly mounted on the cylinder.

[0017] As a preferred solution of the ball milling system for producing silicon carbide micropowder described in the present invention, the driving component further includes:

[0018] A second side plate, the second side plate is fixedly mounted on the top right side of the bearing plate, and the second side plate is rotatably connected to the cylinder through a bearing;

[0019] A first servo motor, wherein the first servo motor is fixedly mounted on the top left side of the bearing plate;

[0020] A connecting shaft is fixedly mounted on the output shaft of the first servo motor.

[0021] As a preferred solution of the ball milling system for producing silicon carbide micropowder described in the present invention, the driving component further includes:

[0022] A first gear, wherein the first gear is fixedly mounted on the connecting shaft;

[0023] The second gear is fixedly mounted on the left side of the cylinder, and the first gear and the second gear are meshed and connected.

[0024] As a preferred solution of a ball milling system for producing silicon carbide micropowder described in the present invention, the right side of the cylinder is connected to a cylinder cover through a rotating component, a through hole is opened in the cylinder cover, a T-shaped block is threadedly connected in the through hole, and a square plate is fixedly installed on one side of the T-shaped block.

[0025] As a preferred solution of a ball milling system for producing silicon carbide micropowder according to the present invention, the rotating assembly comprises:

[0026] An L-shaped plate, the L-shaped plate being fixedly mounted on the top of the cylinder;

[0027] A connecting plate, with connecting plates fixedly mounted on both sides of the top end of the L-shaped plate;

[0028] A rotating rod is rotatably connected between the two groups of connecting plates through a bearing.

[0029] As a preferred solution of the ball milling system for producing silicon carbide micropowder described in the present invention, the rotating assembly further includes:

[0030] A movable plate, wherein the movable plate is fixedly mounted on the rotating rod, and a cylinder cover is fixedly mounted on the bottom of the movable plate;

[0031] The second servo motor is fixedly mounted on a set of connecting plates, and the output shaft of the second servo motor is fixedly connected to the rotating rod.

[0032] As a preferred solution of the ball milling system for producing silicon carbide micropowder described in the present invention, it also includes:

[0033] The moving assembly is used to move the cylinder body left and right, and the moving assembly is arranged between the bottom plate and the bearing plate.

[0034] As a preferred solution of a ball milling system for producing silicon carbide micropowder according to the present invention, the moving component comprises:

[0035] Support plates, two sets of support plates are fixedly installed at both ends of the top of the bottom plate;

[0036] A reciprocating screw, the reciprocating screw being rotatably connected between the two sets of support plates via a bearing;

[0037] A slider, wherein the slider is threadedly connected to the reciprocating screw, and a bearing plate is fixedly mounted on the top of the slider;

[0038] A guide rod, wherein the guide rod is fixedly installed between the two sets of support plates, and a slider is slidably connected to the guide rod;

[0039] The third servo motor is fixedly mounted on a set of support plates, and the output shaft of the third servo motor is fixedly connected to the reciprocating screw.

[0040] As a preferred solution of the ball milling system for producing silicon carbide micropowder described in the present invention, the moving component further includes:

[0041] A roller, wherein the roller is fixedly mounted on the bottom of the slider and contacts the top of the bottom plate;

[0042] Guide blocks, the top two ends of the bottom plate are fixedly mounted with guide blocks, and the top of the guide blocks is provided with a groove;

[0043] Guide plates are fixedly mounted on both ends of the bottom of the bearing plate, and the guide plates are slidably connected in the grooves.

[0044] Compared with existing technologies:

[0045] 1. By providing a lifting component for lifting the steel ball, the falling height of the steel ball can be increased when the cylinder rotates. By increasing the falling height of the steel ball, the impact force of the steel ball on the raw material can be increased, thereby improving the ball milling efficiency of silicon carbide micropowder to a certain extent.

[0046] 2. By setting a moving component for moving the cylinder left and right, the cylinder can be moved when the cylinder rotates, and the position of the steel ball in the cylinder can be changed, so that the raw material can be evenly crushed to a certain extent, further improving the ball milling efficiency of silicon carbide micropowder. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 It is a front view schematic diagram of the structure of the present invention;

[0048] Figure 2 It is a schematic side view of the mobile assembly of the present invention;

[0049] Figure 3 It is a schematic side view of the rotating assembly of the present invention;

[0050] Figure 4 It is a side view schematic diagram of the lifting assembly of the present invention;

[0051] Figure 5 It is a schematic diagram of the structure of the load-bearing plate, the first side plate and the second side plate of the present invention;

[0052] Figure 6 It is a schematic diagram of the cylinder cover structure of the present invention.

[0053] In the figure: bottom plate 10, bearing plate 20, first side plate 30, rotating shaft 31, second side plate 32, first servo motor 33, connecting shaft 34, first gear 35, second gear 36, cylinder 40, steel ball 41, cylinder cover 50, through hole 51, T-shaped block 52, square plate 53, L-shaped plate 60, connecting plate 61, rotating rod 62, movable plate 63, second servo motor 64, supporting plate 70, reciprocating screw 71, slider 72, guide rod 73, third servo motor 74, roller 75, guide block 76, guide plate 77, box body 80, cylinder 81, long strip plate 82, slide groove 83. DETAILED DESCRIPTION

[0054] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0055] The present invention provides a ball milling system for producing silicon carbide micropowder. Figure 1-Figure 6, comprising a bottom plate 10, a bearing plate 20 is disposed directly above the bottom plate 10, a cylinder 40 is disposed on the top of the bearing plate 20 through a driving assembly, and a plurality of steel balls 41 are disposed in the inner cavity of the cylinder 40;

[0056] It also includes: a lifting component for lifting the steel ball 41, and the lifting component is arranged on the cylinder 40;

[0057] The lifting assembly includes: a box body 80, a cylinder 81, a long plate 82, and a slide 83;

[0058] The outer surface of the cylinder 40 is arranged in a circular shape and fixedly mounted with a plurality of box bodies 80, the cylinder 81 is fixedly mounted in the box body 80, the cylinder 81 is fixedly mounted with a long plate 82 via a piston rod, a plurality of slide grooves 83 are arranged in a circular shape in the cylinder 40, and the long plate 82 is slidably connected in the slide groove 83; a sealing strip can be provided between the long plate 82 and the slide groove 83 as required.

[0059] The driving assembly includes: a first side plate 30, a rotating shaft 31, a second side plate 32, a first servo motor 33, a connecting shaft 34, a first gear 35, and a second gear 36;

[0060] The first side plate 30 is fixedly mounted on the top left side of the carrier plate 20, the rotating shaft 31 is rotatably connected to the first side plate 30 through a bearing, and one end of the rotating shaft 31 is fixedly mounted on the cylinder 40, the second side plate 32 is fixedly mounted on the top right side of the carrier plate 20, and the second side plate 32 is rotatably connected to the cylinder 40 through a bearing, the first servo motor 33 is fixedly mounted on the top left side of the carrier plate 20, the connecting shaft 34 is fixedly mounted on the output shaft of the first servo motor 33, the first gear 35 is fixedly mounted on the connecting shaft 34, the second gear 36 is fixedly mounted on the left side of the cylinder 40, and the first gear 35 and the second gear 36 are meshed and connected.

[0061] The right side of the cylinder body 40 is connected with a cylinder cover 50 through a rotating assembly. A through hole 51 is opened in the cylinder cover 50. A T-shaped block 52 is threadedly connected in the through hole 51. A square plate 53 is fixedly installed on one side of the T-shaped block 52.

[0062] The rotating assembly includes: an L-shaped plate 60, a connecting plate 61, a rotating rod 62, a movable plate 63, and a second servo motor 64;

[0063] The L-shaped plate 60 is fixedly mounted on the top of the cylinder 40, and connecting plates 61 are fixedly mounted on both sides of the top of the L-shaped plate 60. The rotating rod 62 is rotatably connected between the two groups of connecting plates 61 through bearings. The movable plate 63 is fixedly mounted on the rotating rod 62, and the bottom of the movable plate 63 is fixedly mounted on the cylinder cover 50. The second servo motor 64 is fixedly mounted on a group of connecting plates 61, and the output shaft of the second servo motor 64 is fixedly connected to the rotating rod 62.

[0064] It also includes: a moving assembly for moving the cylinder 40 left and right, and the moving assembly is arranged between the bottom plate 10 and the carrying plate 20;

[0065] The moving assembly includes: a support plate 70, a reciprocating screw 71, a slider 72, a guide rod 73, a third servo motor 74, a roller 75, a guide block 76, and a guide plate 77;

[0066] Two groups of support plates 70 are fixedly installed at both ends of the top of the base plate 10, the reciprocating screw 71 is rotatably connected between the two groups of support plates 70 through bearings, the slider 72 is threadedly connected to the reciprocating screw 71, and the top of the slider 72 is fixedly installed with the supporting plate 20, the guide rod 73 is fixedly installed between the two groups of support plates 70, and the slider 72 is slidably connected to the guide rod 73, the third servo motor 74 is fixedly installed on a group of support plates 70, and the output shaft of the third servo motor 74 is fixedly connected to the reciprocating screw 71, the roller 75 is fixedly installed on the bottom of the slider 72, and the roller 75 contacts with the top of the base plate 10, the guide blocks 76 are fixedly installed at both ends of the top of the base plate 10, and the top of the guide block 76 is provided with a groove, the guide plates 77 are fixedly installed at both ends of the bottom of the supporting plate 20, and the guide plates 77 are slidably connected in the groove.

[0067] When used, the specific steps are as follows:

[0068] Step 1: placing the raw material (including but not limited to silicon carbide) in the cylinder 40 through the through hole 51, and then threading the T-shaped block 52 into the through hole 51 through the square plate 53, so that the raw material can be sealed;

[0069] Step 2: The rotating shaft 31 is rotated by the first servo motor 33, the connecting shaft 34, the first gear 35 and the second gear 36. When the rotating shaft 31 rotates, the cylinder 40 is rotated. When the cylinder 40 rotates, the steel ball 41 and the raw material are driven to perform a reciprocating falling motion. This cycle is repeated to crush the raw material to obtain silicon carbide powder.

[0070] Step 3: During the rotation of the cylinder 40, one end of the long plate 82 is extended into the cylinder 40 by the cylinder 81, so as to lift up the steel ball 41 and the raw material, thereby increasing the falling height of the steel ball 41 and the raw material; during this process, when the long plate 82 is located below the cylinder 40, it will be restored to its original position;

[0071] Step 4: During the rotation of the cylinder 40, the reciprocating screw 71 can also be rotated by the third servo motor 74, so that the cylinder 40 can reciprocate left and right. When the cylinder 40 moves left and right, the positions of the steel ball 41 and the raw material in its inner cavity will change, so that the raw material can be evenly crushed;

[0072] Step 5: After obtaining the silicon carbide powder, the second servo motor 64 can be used to rotate the rotating rod 62. When the rotating rod 62 rotates, the barrel cover 50 is driven to rotate. At this point, the barrel cover 50 can be opened to facilitate personnel to unload the silicon carbide powder.

[0073] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A ball milling system for producing silicon carbide micropowder, comprising a bottom plate (10), a bearing plate (20) being arranged directly above the bottom plate (10), a cylinder (40) being arranged on the top of the bearing plate (20) through a driving assembly, a plurality of steel balls (41) being arranged in the inner cavity of the cylinder (40), characterized in that: Also includes: A lifting component for lifting the steel ball (41), wherein the lifting component is arranged on the cylinder (40); The lifting assembly comprises: A box body (80), wherein the outer surface of the cylinder (40) is arranged in a circular shape and a plurality of box bodies (80) are fixedly mounted thereon; A cylinder (81), wherein the cylinder (81) is fixedly installed in the box body (80); A long strip plate (82), wherein the cylinder (81) is fixedly mounted with the long strip plate (82) via a piston rod; A plurality of slide grooves (83) are arranged in a circular shape in the cylinder (40), and the long strip (82) is slidably connected in the slide grooves (83).

2. A ball milling system for producing silicon carbide micropowder according to claim 1, characterized in that: The drive assembly comprises: A first side plate (30), the first side plate (30) being fixedly mounted on the top left side of the carrying plate (20); A rotating shaft (31) is rotatably connected to the first side plate (30) via a bearing, and one end of the rotating shaft (31) is fixedly mounted on the cylinder (40).

3. A ball milling system for producing silicon carbide micropowder according to claim 2, characterized in that: The drive assembly also includes: A second side plate (32), the second side plate (32) is fixedly mounted on the top right side of the bearing plate (20), and the second side plate (32) is rotatably connected to the cylinder (40) via a bearing; A first servo motor (33), the first servo motor (33) being fixedly mounted on the top left side of the carrying plate (20); A connecting shaft (34), wherein the connecting shaft (34) is fixedly mounted on an output shaft of the first servo motor (33).

4. A ball milling system for producing silicon carbide micropowder according to claim 3, characterized in that: The drive assembly also includes: A first gear (35), wherein the first gear (35) is fixedly mounted on the connecting shaft (34); The second gear (36) is fixedly mounted on the left side of the cylinder (40), and the first gear (35) and the second gear (36) are meshed and connected.

5. A ball milling system for producing silicon carbide micropowder according to claim 1, characterized in that: The right side of the cylinder (40) is connected to a cylinder cover (50) via a rotating assembly. A through hole (51) is provided in the cylinder cover (50). A T-shaped block (52) is threadedly connected in the through hole (51). A square plate (53) is fixedly mounted on one side of the T-shaped block (52).

6. A ball milling system for producing silicon carbide micropowder according to claim 5, characterized in that: The rotating assembly comprises: An L-shaped plate (60) fixedly mounted on the top of the cylinder (40); A connecting plate (61), the connecting plates (61) being fixedly mounted on both sides of the top end of the L-shaped plate (60); A rotating rod (62) is rotatably connected between the two sets of connecting plates (61) via a bearing.

7. A ball milling system for producing silicon carbide powder according to claim 6, characterized in that: The rotating assembly further comprises: A movable plate (63), wherein the movable plate (63) is fixedly mounted on the rotating rod (62), and a cylinder cover (50) is fixedly mounted on the bottom of the movable plate (63); A second servo motor (64), wherein the second servo motor (64) is fixedly mounted on a set of connecting plates (61), and an output shaft of the second servo motor (64) is fixedly connected to the rotating rod (62).

8. A ball milling system for producing silicon carbide micropowder according to claim 1, characterized in that: Also includes: A moving assembly is used to move the cylinder (40) leftward and rightward, and the moving assembly is arranged between the bottom plate (10) and the carrying plate (20).

9. A ball milling system for producing silicon carbide micropowder according to claim 8, characterized in that: The mobile assembly comprises: Support plates (70), two sets of support plates (70) are fixedly mounted on both ends of the top of the bottom plate (10); A reciprocating screw (71), wherein the reciprocating screw (71) is rotatably connected between the two sets of support plates (70) via a bearing; A slider (72), wherein the slider (72) is threadedly connected to the reciprocating screw (71), and a bearing plate (20) is fixedly mounted on the top of the slider (72); A guide rod (73), wherein the guide rod (73) is fixedly installed between the two sets of support plates (70), and the slider (72) is slidably connected to the guide rod (73); A third servo motor (74), wherein the third servo motor (74) is fixedly mounted on a set of support plates (70), and an output shaft of the third servo motor (74) is fixedly connected to the reciprocating screw (71).

10. A ball milling system for producing silicon carbide micropowder according to claim 9, characterized in that: The mobile component also includes: A roller (75), wherein the roller (75) is fixedly mounted on the bottom of the slider (72), and the roller (75) is in contact with the top of the bottom plate (10); A guide block (76), wherein the guide blocks (76) are fixedly mounted at both ends of the top of the bottom plate (10), and a groove is formed at the top of the guide block (76); A guide plate (77), the two ends of the bottom of the carrier plate (20) are fixedly mounted with the guide plates (77), and the guide plates (77) are slidably connected in the groove.

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