Organic chemical raw material powder grinding device

Abstract

The utility model relates to an organic chemical raw material powder grinding device which comprises a grinding box, a supporting plate arranged on the top edge of the grinding box, a protective cover arranged on the top edge of the supporting plate, a movable cover hinged to the front side of the protective cover, an opening arranged on the top of the protective cover, a lifting plate sliding up and down on the inner wall of the protective cover, and an electric cylinder arranged at the bottom of the supporting plate and used for driving the lifting plate to slide. A motor is arranged in the center of the top of the lifting plate, a spindle of the motor penetrates through the lifting plate and then is fixedly connected with a spline shaft, a grinding tool is fixedly connected to the bottom of the spline shaft, and a plurality of through holes are formed between an upper stepped groove and a lower stepped groove of the grinding groove; the spline shaft is sleeved with a liftable first sweeping mechanism for sweeping the upper stepped groove, and a second sweeping mechanism for sweeping the bottom of the grinding tool is arranged on one side of the top of the supporting plate. During grinding, splashed powder is convenient to re-grind, the bottom of the grinding tool is convenient to clean, and the grinding tool is convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of powder grinding, in particular to an organic chemical raw material powder grinding device. Background Art

[0002] In the chemical production process, some powder raw materials need to be ground. For example, the Chinese utility model patent with publication number CN218962801U discloses a powder raw material vibration grinding device. By starting the cylinder, the telescopic rod is driven to move left and right, and then the support frame fixedly connected to the telescopic rod moves together, so that the cleaning block installed on the support frame is driven to move together, so that the cleaning block can clean the grinding mold. By rotating the fixed block, the cleaning block can be removed from the support frame, which makes it convenient to replace the cleaning block.

[0003] Although this solution solves the problem of powder adhering to the grinding tool and thus reducing the grinding effect, the following problems still exist:

[0004] 1. When cleaning the grinding tools, there is a lack of protective measures, and the dust flies directly into the external environment, affecting the working environment;

[0005] 2. When the grinding tool is grinding on the placement table, the splashed powder falls directly on the base, which not only wastes materials but also requires manual cleaning, which is inconvenient to use. Summary of the invention

[0006] The utility model aims to solve the deficiencies of the prior art and provides an organic chemical raw material powder grinding device.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an organic chemical raw material powder grinding device comprises a grinding box, a support plate is provided on the top edge of the grinding box, a protective cover is provided on the top edge of the support plate, a movable cover is hinged on the front side of the protective cover, an opening is set at the top of the protective cover, a lifting plate is provided on the inner wall of the protective cover for sliding up and down, an electric cylinder for driving the lifting plate to slide is provided at the bottom of the support plate, a grinding screen plate is provided on the inner wall of the grinding box, a stepped grinding groove is provided on the top of the grinding screen plate, a collecting chamber is provided at the bottom, a discharge port for passing through the grinding box is provided at the bottom of the collecting chamber, a motor is provided at the top center of the lifting plate, a spline shaft is fixedly connected to the motor spindle after passing through the lifting plate, a grinding tool is fixedly connected to the bottom of the spline shaft, a plurality of through holes are provided between the upper step groove and the lower step groove of the grinding groove, a first cleaning mechanism that can be lifted and lowered to clean the upper step groove is sleeved on the spline shaft, a first limiting mechanism for limiting the cleaning mechanism is provided on the lifting plate, a second cleaning mechanism for cleaning the bottom of the grinding tool and a second limiting mechanism for limiting the second cleaning mechanism are provided on one side of the top of the support plate.

[0008] Particularly, a plurality of legs are provided on the circumference of the bottom of the outer wall of the grinding box.

[0009] Particularly, a grinding sleeve is provided on the outer side and the bottom of the grinding tool, and the grinding sleeve is fixed on the grinding tool by bolts.

[0010] In particular, the first cleaning mechanism includes a spline sleeve, a first connecting rod, and a first cleaning brush. The spline sleeve is arranged on the spline shaft, the first connecting rod is in an inverted L shape, one end of the cross rod is fixedly connected to the spline sleeve, and the bottom end of the vertical rod is fixedly connected to the first cleaning brush. The first cleaning brush is located above the through hole.

[0011] In particular, the first limiting mechanism includes a first screw, a first limiting plate, and a first handwheel. The first screw is threadedly connected to the lifting plate. One end of the top of the first limiting plate is rotatably connected to the bottom of the first screw, and the other end is slidingly sleeved on the spline shaft. The first handwheel is fixedly connected to the top of the first screw, and the spline sleeve and the first connecting rod are located below the first limiting plate.

[0012] In particular, the second cleaning mechanism includes a second cleaning brush and a second connecting rod. The second cleaning brush is slidably connected to the support plate. One end of the second connecting rod is hinged to one end of the second cleaning brush, and the other end passes through the protective cover and is rotated to be vertically magnetically fixed to the outer wall of the protective cover. A handle is provided on the second connecting rod.

[0013] In particular, the second limiting mechanism includes a second screw, a second limiting plate, and a second hand wheel. The second screw is threadedly connected to the support plate, the second limiting plate is rotatably connected to the top of the second screw, and one end is slidably connected to the inner wall of the protective cover, the second hand wheel is fixedly connected to the bottom of the second screw, and the second cleaning brush is located below the second limiting plate.

[0014] The beneficial effects of the utility model are as follows: the utility model makes it easy to lift the grinding tool by arranging the protective cover, the lifting plate, the electric cylinder, the second cleaning mechanism and the second limiting mechanism, and it is convenient to clean the grinding tool after lifting, and the dust in the cleaning process is directly controlled in the protective cover to avoid dust flying; by arranging the first cleaning mechanism and the first limiting mechanism, it is convenient to sweep the powder splashed in the grinding process back into the grinding tank for continued grinding, thus avoiding waste, eliminating the need for manual cleaning and being easy to use; the grinding sleeve is detachably arranged on the grinding tool, which is convenient for replacement without replacing the entire grinding tool, thereby reducing the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a schematic diagram of the external structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the second cleaning brush of the utility model when it is working;

[0018] In the figure: 1-grinding box; 2-support plate; 3-protective cover; 4-lifting plate; 5-electric cylinder; 6-grinding screen plate; 7-grinding groove; 8-collecting chamber; 9-discharging port; 10-support leg; 11-motor; 12-spline shaft; 13-grinding tool; 14-grinding sleeve; 15-through hole; 16-movable cover; 17-spline sleeve; 18-first connecting rod; 19-first cleaning brush; 20-first screw; 21-first limit plate; 22-first hand wheel; 23-second cleaning brush; 24-second connecting rod; 25-handle; 26-second screw; 27-second limit plate; 28-second hand wheel;

[0019] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0021] like Figure 1-Figure 3 As shown, an organic chemical raw material powder grinding device comprises a grinding box 1, a plurality of legs 10 are arranged on the circumference of the bottom of the outer wall of the grinding box 1, a support plate 2 is arranged on the top edge of the grinding box 1, a protective cover 3 is arranged on the top edge of the support plate 2, a movable cover 16 is hinged on the front side of the protective cover 3, the top of the protective cover 3 is opened, a lifting plate 4 is slid up and down on the inner wall of the protective cover 3, and an electric cylinder 5 for driving the lifting plate 4 to slide is arranged at the bottom of the support plate 2;

[0022] A grinding screen plate 6 is provided on the inner wall of the grinding box 1, a stepped grinding groove 7 is provided on the top of the grinding screen plate 6, a collecting chamber 8 is provided on the bottom, a discharge port 9 passing through the grinding box 1 is provided at the bottom of the collecting chamber 8, a motor 11 is provided at the top center of the lifting plate 4, a spline shaft 12 is fixedly connected to the main shaft of the motor 11 after passing through the lifting plate 4, a grinding tool 13 is fixedly connected to the bottom of the spline shaft 12, a grinding sleeve 14 is provided on the outer side and the bottom of the grinding tool 13, and the grinding sleeve 14 is fixed to the grinding tool 13 by bolts;

[0023] A plurality of through holes 15 are provided between the upper step groove and the lower step groove of the grinding groove 7. A first cleaning mechanism that can be lifted and lowered to clean the upper step groove is sleeved on the spline shaft 12. The first cleaning mechanism includes a spline sleeve 17, a first connecting rod 18, and a first cleaning brush 19. The spline sleeve 17 is sleeved on the spline shaft 12. The first connecting rod 18 is in an inverted L shape. One end of the cross bar is fixedly connected to the spline sleeve 17. The bottom end of the vertical rod is fixedly connected to the first cleaning brush 19. The first cleaning brush 19 is located on the through hole 15. The lifting plate 4 is provided with a first limiting mechanism for limiting the cleaning mechanism, and the first limiting mechanism includes a first screw 20, a first limiting plate 21, and a first hand wheel 22. The first screw 20 is threadedly connected to the lifting plate 4, one end of the top of the first limiting plate 21 is rotatably connected to the bottom of the first screw 20, and the other end is slidably sleeved on the spline shaft 12, the first hand wheel 22 is fixedly connected to the top of the first screw 20, and the spline sleeve 17 and the first connecting rod 18 are located below the first limiting plate 21;

[0024] A second cleaning mechanism for cleaning the bottom of the grinding tool 13 and a second limiting mechanism for limiting the second cleaning mechanism are provided on one side of the top of the support plate 2. The second cleaning mechanism includes a second cleaning brush 23 and a second connecting rod 24. The second cleaning brush 23 is slidably connected to the support plate 2. One end of the second connecting rod 24 is hinged to one end of the second cleaning brush 23, and the other end passes through the protective cover 3 and is turned to be vertically magnetically fixed to the outer wall of the protective cover 3. A handle 25 is provided on the second connecting rod 24; the second limiting mechanism includes a second screw 26, a second limiting plate 27, and a second hand wheel 28. The second screw 26 is threadedly connected to the support plate 2, the second limiting plate 27 is rotatably connected to the top of the second screw 26, and one end is slidably connected to the inner wall of the protective cover 3, the second hand wheel 28 is fixedly connected to the bottom of the second screw 26, and the second cleaning brush 23 is located below the second limiting plate 27.

[0025] When replacing the first cleaning brush 19, directly move the lifting plate 4 upward, open the movable cover 16, remove it and replace it. When replacing the second cleaning brush 23, turn the second connecting rod 24 to the horizontal level and directly pull out the protective cover 3.

[0026] When the utility model is working, the movable cover 16 is opened, the powder to be ground is placed in the grinding tank 7, the movable cover 16 is closed, the lifting plate 4 moves downward under the action of the electric cylinder 5, the grinding tool 13 moves downward into the grinding tank 7, the grinding sleeve 14 grinds the powder, and the qualified powder passes through the grinding screen plate 6 into the collecting chamber 8, and then is discharged through the discharge port 9. The height of the first limit plate 21 is adjusted according to the descending height of the grinding tool 13, so that the first cleaning brush 19 contacts the upper step groove of the grinding tank 7, so as to sweep the splashed powder into the through hole 15, slide back into the lower step groove of the grinding tank 7, and continue to be ground by the grinding sleeve 14. After not in use, the grinding tool 13 is moved up to a certain height, the second connecting rod 24 is turned to a horizontal level, and then pushed into the protective cover 3, the second cleaning brush 23 is pushed to the bottom of the grinding sleeve 14, the motor 11 is started, and the second cleaning brush 23 cleans the bottom of the grinding sleeve 14.

[0027] The utility model provides a protective cover 3, a lifting plate 4, an electric cylinder 5, a second cleaning mechanism, and a second limiting mechanism, so that the grinding tool 13 is easy to lift and lower, and the grinding tool 13 can be cleaned after lifting and lowering. The dust in the cleaning process is directly controlled in the protective cover 3 to avoid dust flying. By providing the first cleaning mechanism and the first limiting mechanism, the powder splashed during the grinding process can be swept back into the grinding tank 7 for continued grinding, thereby avoiding waste, eliminating the need for manual cleaning, and being easy to use. The grinding sleeve 14 is detachably arranged on the grinding tool 13, which is easy to replace without replacing the entire grinding tool 13, thereby reducing the cost of use.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An organic chemical raw material powder grinding device, comprising a grinding box (1), characterized in that: A support plate (2) is provided at the top edge of the grinding box (1), a protective cover (3) is provided at the top edge of the support plate (2), a movable cover (16) is hinged on the front side of the protective cover (3), the top of the protective cover (3) is provided with an opening, a lifting plate (4) is provided on the inner wall of the protective cover (3) for sliding up and down, an electric cylinder (5) is provided at the bottom of the support plate (2) for driving the lifting plate (4) to slide, a grinding screen plate (6) is provided on the inner wall of the grinding box (1), a stepped grinding groove (7) is provided at the top of the grinding screen plate (6), a collecting chamber (8) is provided at the bottom, a discharge port (9) for passing through the grinding box (1) is provided at the bottom of the collecting chamber (8), and a lifting plate (4) is provided at the top of the grinding box (1). A motor (11) is provided at the center of the part, the main shaft of the motor (11) passes through the lifting plate (4) and is fixedly connected to a spline shaft (12), the bottom of the spline shaft (12) is fixedly connected to a grinding tool (13), a plurality of through holes (15) are provided between the upper step groove and the lower step groove of the grinding groove (7), a first cleaning mechanism that can be lifted and lowered for cleaning the upper step groove is sleeved on the spline shaft (12), a first limiting mechanism for limiting the position of the cleaning mechanism is provided on the lifting plate (4), and a second cleaning mechanism for cleaning the bottom of the grinding tool (13) and a second limiting mechanism for limiting the position of the second cleaning mechanism are provided on one side of the top of the support plate (2).

2. The organic chemical raw material powder grinding device according to claim 1, characterized in that: A plurality of supporting legs (10) are arranged on the circumference of the bottom of the outer wall of the grinding box (1).

3. The organic chemical raw material powder grinding device according to claim 1, characterized in that: A grinding sleeve (14) is sleeved on the outer side and bottom of the grinding tool (13), and the grinding sleeve (14) is fixed on the grinding tool (13) by bolts.

4. The organic chemical raw material powder grinding device according to claim 1, characterized in that: The first cleaning mechanism comprises a spline sleeve (17), a first connecting rod (18), and a first cleaning brush (19); the spline sleeve (17) is sleeved on the spline shaft (12); the first connecting rod (18) is in an inverted L shape; one end of the cross rod is fixedly connected to the spline sleeve (17); the bottom end of the vertical rod is fixedly connected to the first cleaning brush (19); and the first cleaning brush (19) is located above the through hole (15).

5. The organic chemical raw material powder grinding device according to claim 4, characterized in that: The first limiting mechanism comprises a first screw rod (20), a first limiting plate (21), and a first hand wheel (22); the first screw rod (20) is threadedly connected to the lifting plate (4); one end of the top of the first limiting plate (21) is rotatably connected to the bottom of the first screw rod (20), and the other end is slidably sleeved on the spline shaft (12); the first hand wheel (22) is fixedly connected to the top of the first screw rod (20); and the spline sleeve (17) and the first connecting rod (18) are located below the first limiting plate (21).

6. The organic chemical raw material powder grinding device according to claim 1, characterized in that: The second cleaning mechanism comprises a second cleaning brush (23) and a second connecting rod (24). The second cleaning brush (23) is slidably connected to the support plate (2). One end of the second connecting rod (24) is hinged to one end of the second cleaning brush (23), and the other end passes through the protective cover (3) and is rotated to be vertically magnetically fixed to the outer wall of the protective cover (3). A handle (25) is provided on the second connecting rod (24).

7. The organic chemical raw material powder grinding device according to claim 6, characterized in that: The second limiting mechanism comprises a second screw rod (26), a second limiting plate (27), and a second hand wheel (28); the second screw rod (26) is threadedly connected to the support plate (2); the second limiting plate (27) is rotatably connected to the top of the second screw rod (26), and one end is slidably connected to the inner wall of the protective cover (3); the second hand wheel (28) is fixedly connected to the bottom of the second screw rod (26); and the second cleaning brush (23) is located below the second limiting plate (27).

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