Raymond mill grinding device

Abstract

The utility model discloses a Raymond mill grinding device, which belongs to the technical field of Raymond mills and comprises a machine body, a grinding circular groove is arranged at the bottom of an inner cavity of the machine body, and a grinding mechanism is arranged at the bottom of the machine body. According to the grinding device, the distance between the two grinding wheels is adjusted through the threaded fit between the two-way lead screw and the two first sliding seats and the threaded fit between the other two-way lead screw and the two second sliding seats, and the first elastic cloth and the second elastic cloth stretch out and draw back in the moving process of the first sliding seats and the second sliding seats; the first elastic cloth and the second elastic cloth are used for blocking the inner cavity of the box body, materials are prevented from entering the inner cavity of the box body, meanwhile, the materials and raised dust can be prevented from being scattered out, the guide plate is used for guiding the materials, meanwhile, the two ends of the grinding wheels make contact with the first sliding base and the second sliding base, and it is guaranteed that the two grinding wheels can completely crush the materials; and the working quality of the Raymond mill grinding device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of Raymond mill, in particular to a Raymond mill grinding device. Background Art

[0002] Raymond mill is a commonly used grinding equipment. It has a three-dimensional structure, small footprint, strong completeness, and an independent production system from block materials to finished powder. It is suitable for the preparation of various mineral powders and coal powders, such as fine powder processing of raw ore, gypsum ore, coal, refractory materials, silicon carbide, metallic silicon and other materials.

[0003] After searching, the utility model patent with announcement number CN220940955U discloses a Raymond mill grinding device, including a machine body, a first fixed plate and a second fixed plate are fixed to the inner cavity wall of the machine body, an adjustment mechanism and a crushing mechanism are arranged inside the machine body, the adjustment mechanism includes a box body fixed to the left side of the machine body, a first motor is fixed to the left side of the inner cavity of the box body, a first bevel gear is fixed to the output shaft of the first motor, and a threaded rod is rotatably connected between the front and rear sides of the inner cavity of the box body through a bearing seat; the Raymond mill grinding device, through the adjustment mechanism, the first motor drives the first bevel gear to rotate, so that the second bevel gear and the threaded rod rotate together, driving the two moving blocks to move relative to each other at the same time, the moving block drives the grinding wheel to move together, so that the slider slides inside the slide groove, and the second motor drives the grinding wheel to rotate through the first rotating rod, which is used to crush and grind the object, so that the position of the grinding wheel can be changed according to needs, which is convenient for grinding.

[0004] However, the above patents still have the following shortcomings: there is a gap between the side of the grinding wheel and the inner wall of the machine body, and the material is easy to fall through the gap, affecting the grinding effect; and the chute on the side of the machine body for the slider to slide is not blocked, so the material or dust is easy to run out of the chute, affecting the grinding quality. For this reason, we propose a Raymond mill grinding device. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model aims to provide a Raymond mill grinding device.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A Raymond mill grinding device comprises a machine body, a grinding circular groove is arranged at the bottom of the inner cavity of the machine body, a grinding mechanism is arranged at the bottom of the machine body, a material injection hopper is fixedly sleeved on the top of the machine body, two material guide plates are fixedly connected to the top of the inner cavity of the machine body, boxes are fixedly sleeved on both sides of the machine body, two bidirectional screw rods are rotatably connected to the inner cavities of the two boxes, the outer sides of the two ends of one bidirectional screw rod are respectively threadedly sleeved with a first slide seat, the outer sides of the two ends of the other bidirectional screw rod are respectively threadedly sleeved with a second slide seat, the second slide seat and the first slide seat are respectively rotatably connected with grinding wheels, and the two second slides are respectively rotatably connected. A second motor is fixedly installed inside the seat, and the output shaft of the second motor is connected to one end of the grinding wheel shaft. A first motor is fixedly installed on the end of one of the boxes, and the output shaft of the first motor is connected to the end of a box. The other ends of the two boxes extend to the outside of the box and are fixedly sleeved with a synchronous wheel. A synchronous belt is connected between the two synchronous wheels. The second slide and the outer side of the first slide are fixedly connected with a first elastic cloth, and the end of the first elastic cloth is connected to the inner wall of the box. A second elastic cloth is fixedly connected between the two first slides and the two second slides.

[0008] As a preferred solution of the utility model, the grinding mechanism includes a third motor fixedly mounted on the bottom surface of the machine body, the output shaft of the third motor extends to the inner cavity of the grinding circular groove and is fixedly connected to the center shaft, a plurality of scrapers are fixedly connected to the side of the bottom end of the center shaft, the bottom surface of the scrapers fits with the bottom surface of the inner cavity of the grinding circular groove, a plurality of plum blossom frames are fixedly connected to the side of the top end of the center shaft, a plurality of plum blossom frames are rotatably connected to rotating shafts respectively, a grinding roller is fixedly sleeved on the outer side of the rotating shaft, and the side surface of the grinding roller fits with the inner wall of the grinding circular groove.

[0009] As a preferred solution of the utility model, the two sides of the machine body are respectively fixedly sleeved with extraction pipes, and the ends of the two extraction pipes extend to the inner cavity of the machine body and are respectively fixedly connected with suction hoppers.

[0010] As a preferred solution of the utility model, the inner walls of the two boxes are respectively fitted with the side surfaces of the first slide seat and the second slide seat, and the two ends of the grinding wheel are respectively fitted with the first slide seat and the second slide seat.

[0011] As a preferred solution of the utility model, the top surface and the bottom surface of the first elastic cloth and the second elastic cloth are respectively in contact with the top surface and the bottom surface of the inner cavity of the box.

[0012] As a preferred solution of the utility model, a maintenance door is hinged on the outer side of the machine body, and a control panel is fixedly installed on the outer side of the machine body.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] In the utility model, the distance between the two grinding wheels is adjusted by the threaded cooperation between a bidirectional screw and two first slides, and another bidirectional screw and two second slides. During the movement of the first slide and the second slide, the first elastic cloth and the second elastic cloth are expanded and contracted. The first elastic cloth and the second elastic cloth are used to block the inner cavity of the box to prevent the material from entering the inner cavity of the box, and at the same time, the material and dust can be prevented from being scattered. In addition, the material is guided by a material guide plate, and at the same time, the two ends of the grinding wheel are in contact with the first slide and the second slide, ensuring that the two grinding wheels can completely crush the material, thereby improving the working quality of the Raymond mill grinding device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the structure of the maintenance door of the utility model;

[0017] Figure 3 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 4 This is a schematic diagram of the interior of the grinding circular groove of the utility model;

[0019] Figure 5 It is a cross-sectional schematic diagram of the box body of the utility model.

[0020] Description of the numbers in the figure:

[0021] 1. Machine body; 2. Grinding groove; 3. Grinding mechanism; 4. Box; 5. Bidirectional screw; 6. First slide; 7. Grinding wheel; 8. Second motor; 9. First motor; 10. Synchronous wheel; 11. Synchronous belt; 12. Guide plate; 13. Second slide; 14. First elastic cloth; 15. Second elastic cloth; 16. Filling hopper; 17. Third motor; 18. Center axis; 19. Plum blossom frame; 20. Rotating axis; 21. Grinding roller; 22. Shovel; 23. Extraction pipe; 24. Suction hopper; 25. Maintenance door; 26. Control panel. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 utility model can be understood according to specific circumstances.

[0025] Example:

[0026] See also Figure 1-5 A Raymond mill grinding device comprises a machine body 1, a grinding circular groove 2 is arranged at the bottom of the inner cavity of the machine body 1, a grinding mechanism 3 is arranged at the bottom of the machine body 1, a material injection hopper 16 is fixedly sleeved on the top of the machine body 1, two material guide plates 12 are fixedly connected to the top of the inner cavity of the machine body 1, boxes 4 are fixedly sleeved on both sides of the machine body 1, two boxes 4 are rotatably connected to the inner cavities with bidirectional screw rods 5, the outer sides of both ends of one bidirectional screw rod 5 are respectively threadedly sleeved with a first slide seat 6, the outer sides of both ends of the other bidirectional screw rod 5 are respectively threadedly sleeved with a second slide seat 13, the second slide seat 13 and the first slide seat 6 are respectively rotatably connected with a grinding wheel 7, the inner sides of the two second slide seats 13 are respectively threadedly sleeved with a first slide seat 6, and the inner sides of the two second slide seats 13 are respectively threadedly sleeved with a second slide seat 13. A second motor 8 is fixedly installed on each of the two parts, and the output shaft of the second motor 8 is connected to one end of the rotating shaft of the grinding wheel 7. A first motor 9 is fixedly installed on the end of a box body 4, and the output shaft of the first motor 9 is connected to the end of a box body 4. The other ends of the two box bodies 4 extend to the outside of the box body 4 and are fixedly sleeved with a synchronous wheel 10. A synchronous belt 11 is transmission-connected between the two synchronous wheels 10. The second slide 13 and the outer sides of the first slide 6 are fixedly connected with the first elastic cloth 14, and the end of the first elastic cloth 14 is connected to the inner wall of the box body 4. Second elastic cloths 15 are fixedly connected between the two first slides 6 and the two second slides 13.

[0027] For details, please refer to Figures 2 to 4The grinding mechanism 3 includes a third motor 17 fixedly mounted on the bottom surface of the machine body 1, the output shaft of the third motor 17 extends to the inner cavity of the grinding circular groove 2 and is fixedly connected to the central shaft 18, a plurality of scrapers 22 are fixedly connected to the side of the bottom end of the central shaft 18, the bottom surface of the scraper 22 is in contact with the bottom surface of the inner cavity of the grinding circular groove 2, a plurality of plum blossom frames 19 are fixedly connected to the side of the top end of the central shaft 18, and a rotating shaft 20 is rotatably connected to the plurality of plum blossom frames 19 respectively, a grinding roller 21 is fixedly sleeved on the outer side of the rotating shaft 20, and the side surface of the grinding roller 21 is in contact with the inner wall of the grinding circular groove 2.

[0028] In this embodiment, the material at the bottom of the inner cavity of the grinding circular groove 2 is scooped up by the scraper 22 so that the grinding roller 21 can grind the material.

[0029] For details, please refer to Figures 1 to 3 The two sides of the machine body 1 are respectively fixedly sleeved with a material extraction pipe 23 , and the ends of the two material extraction pipes 23 extend to the inner cavity of the machine body 1 and are fixedly connected with a suction hopper 24 .

[0030] In this embodiment, the end of the extraction pipe 23 located outside is connected to the extraction device, so that the suction hopper 24 generates suction, thereby extracting the ground powder.

[0031] For details, please refer to Figure 5 The inner walls of the two boxes 4 are respectively in contact with the side surfaces of the first slide 6 and the second slide 13 , and the two ends of the grinding wheel 7 are respectively in contact with the first slide 6 and the second slide 13 .

[0032] In this embodiment, the inner wall of the box body 4 is used to limit the first slide 6 and the second slide 13, so that the first slide 6 and the second slide 13 can only move along the axial direction of the bidirectional screw 5. In addition, the contact between the end face of the grinding wheel 7 and the first slide 6 and the second slide 13 ensures that the two grinding wheels 7 can completely crush the material.

[0033] For details, please refer to Figure 5 The top surface and the bottom surface of the first elastic cloth 14 and the second elastic cloth 15 are respectively in contact with the top surface and the bottom surface of the inner cavity of the box body 4 .

[0034] In this embodiment, the first elastic cloth 14 and the second elastic cloth 15 can block the inner cavity of the box body 4 to prevent the ground material from entering the inner cavity of the box body 4 .

[0035] For details, please refer to Figure 1 A maintenance door 25 is hinged on the outer side of the machine body 1 , and a control panel 26 is fixedly installed on the outer side of the machine body 1 .

[0036] In this embodiment, the maintenance door 25 is opened to perform maintenance on the machine body 1 , and the control panel 26 is used to control the third motor 17 , the first motor 9 , and the second motor 8 .

[0037] Working principle: When in use, first start the first motor 9 to drive a bidirectional screw 5 and a synchronous wheel 10 to rotate, and drive another bidirectional screw 5 to rotate synchronously through the transmission between the two synchronous wheels 10 and the synchronous belt 11. The distance between the two grinding wheels 7 is adjusted by the threaded cooperation between the bidirectional screw 5 and the two first slides 6, and the other bidirectional screw 5 and the two second slides 13. In addition, when the first slide 6 and the second slide 13 move, the first elastic cloth 14 and the second elastic cloth 15 are extended and retracted, and the inner cavity of the box body 4 is blocked at the same time. Then, the two second motors 8 are started to drive the two grinding wheels 7 to move inward in different directions, and then the material to be ground is injected from the injection port. The hopper 16 is loaded into the inner cavity of the machine body 1, and the guide plate 12 is used to guide the material to the inner side of the two grinding wheels 7, and the two grinding wheels 7 are used to crush the material. The crushed material falls into the inner cavity of the grinding circular groove 2, and finally the third motor 17 is started to drive the central shaft 18 to rotate, and the central shaft 18 is used to drive the plum blossom frame 19, the rotating shaft 20, the grinding roller 21 and the scraper 22 to rotate. At the same time, the grinding roller 21 rotates on the inner wall of the grinding circular groove 2, and the scraper 22 is used to scoop up the material at the bottom of the inner cavity of the grinding circular groove 2, so that the grinding roller 21 is used to grind the material. At this time, the extraction equipment is used to make the extraction pipe 23 and the suction hopper 24 generate suction, so as to extract the ground material.

[0038] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A Raymond mill grinding device, comprising a machine body (1), characterized in that: A grinding circular groove (2) is provided at the bottom of the inner cavity of the machine body (1), a grinding mechanism (3) is provided at the bottom of the machine body (1), a material injection hopper (16) is fixedly sleeved at the top of the machine body (1), two material guide plates (12) are fixedly connected to the top of the inner cavity of the machine body (1), boxes (4) are fixedly sleeved on both sides of the machine body (1), the inner cavities of the two boxes (4) are rotatably connected with bidirectional screw rods (5), the outer sides of the two ends of one bidirectional screw rod (5) are respectively threadedly sleeved with a first slide seat (6), the outer sides of the two ends of the other bidirectional screw rod (5) are respectively threadedly sleeved with a second slide seat (13), the second slide seat (13) and the first slide seat (6) are respectively rotatably connected with a grinding wheel (7), and the insides of the two second slide seats (13) are respectively fixedly arranged with a first slide seat (6). A second motor (8) is installed, the output shaft of the second motor (8) is connected to one end of the rotating shaft of the grinding wheel (7), a first motor (9) is fixedly installed at the end of one of the boxes (4), the output shaft of the first motor (9) is connected to the end of one of the boxes (4), the other ends of the two boxes (4) extend to the outside of the box (4) and are fixedly sleeved with a synchronous wheel (10), a synchronous belt (11) is connected between the two synchronous wheels (10), the second slide seat (13) and the outer side of the first slide seat (6) are respectively fixedly connected with a first elastic cloth (14), the end of the first elastic cloth (14) is connected to the inner wall of the box (4), and the two first slide seats (6) and the two second slide seats (13) are respectively fixedly connected with a second elastic cloth (15).

2. A Raymond mill grinding device according to claim 1, characterized in that: The grinding mechanism (3) comprises a third motor (17) fixedly mounted on the bottom surface of the machine body (1); the output shaft of the third motor (17) extends to the inner cavity of the grinding circular groove (2) and is fixedly connected to a central shaft (18); a plurality of scrapers (22) are fixedly connected to the side of the bottom end of the central shaft (18); the bottom surface of the scrapers (22) fits with the bottom surface of the inner cavity of the grinding circular groove (2); a plurality of plum blossom frames (19) are fixedly connected to the side of the top end of the central shaft (18); a plurality of plum blossom frames (19) are rotatably connected to rotating shafts (20) respectively; a grinding roller (21) is fixedly sleeved on the outer side of the rotating shaft (20); the side surface of the grinding roller (21) fits with the inner wall of the grinding circular groove (2).

3. A Raymond mill grinding device according to claim 2, characterized in that: The two sides of the machine body (1) are respectively fixedly sleeved with material extraction pipes (23), and the ends of the two material extraction pipes (23) respectively extend to the inner cavity of the machine body (1) and are fixedly connected to a material suction hopper (24).

4. A Raymond mill grinding device according to claim 1, characterized in that: The inner walls of the two boxes (4) are respectively fitted with the side surfaces of the first slide seat (6) and the second slide seat (13), and the two ends of the grinding wheel (7) are respectively fitted with the first slide seat (6) and the second slide seat (13).

5. The Raymond mill grinding device according to claim 1, characterized in that: The top surface and bottom surface of the first elastic cloth (14) and the second elastic cloth (15) are respectively in contact with the top surface and bottom surface of the inner cavity of the box body (4).

6. A Raymond mill grinding device according to claim 1, characterized in that: A maintenance door (25) is hingedly connected to the outer side of the machine body (1), and a control panel (26) is fixedly installed on the outer side of the machine body (1).

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