Grinding device for chemical production

Abstract

The utility model discloses a grinding device for chemical production, which comprises a shell and a grinding mechanism, the grinding mechanism is arranged in the shell, and a discharge pipe is arranged at the bottom of the shell. A feeding mechanism is arranged at the top of the shell, double mesh screens are arranged below the grinding mechanism and are both in sliding connection with the shell, and locking mechanisms are arranged at the positions, corresponding to the mesh screens, of the shell. In the using process of the grinding device, the mesh screen can be replaced without interrupting the grinding process, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production equipment, in particular to a grinding device for chemical production. Background Art

[0002] During the processing of chemical raw materials, they need to be ground into particles of standard size. After grinding chemical raw materials, traditional grinders do not have the function of screening, and the size of the ground particles is uneven. Existing technology usually has a mesh screen before the discharge port of the grinder to screen out particles that do not meet the standards. In the actual production process, when too many large particles remain in the mesh screen, the mesh screen is blocked. At this time, in order not to affect the effect of material screening, the mesh screen needs to be replaced, and the grinding process has to be suspended. This greatly affects work efficiency. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a grinding device for chemical production.

[0004] The technical solution of the utility model is: a grinding device for chemical production, including a shell and a grinding mechanism, the grinding mechanism is arranged inside the shell, and a discharge pipe is arranged at the bottom of the shell. A feeding mechanism is arranged at the top of the shell, and a double mesh screen is arranged below the grinding mechanism, and the mesh screens are slidably connected to the shell, and a locking mechanism is arranged at the position of the shell corresponding to the mesh screen.

[0005] Furthermore, a perspective window is provided on the side of the shell.

[0006] Furthermore, a material dispersing mechanism is provided in the discharge pipe, and the material dispersing mechanism includes blades and a first motor. The first motor is fixedly connected to the inner wall of the discharge pipe through a connecting rod, and the output shaft of the first motor is fixedly connected to the rotation center of the blade.

[0007] Furthermore, the feeding mechanism includes a feeding port, a feeding pipe and a third motor; the bottom of the feeding port is connected to the feeding pipe through a pipeline, a spiral feeding shaft is provided in the feeding pipe, one end of the spiral feeding shaft is fixedly connected to the output shaft of the third motor, and the feeding pipe is connected to the outer shell.

[0008] Furthermore, the grinding mechanism includes a second motor, a grinding plate and a grinding disc. The rotation center of the grinding disc is fixedly connected to the output shaft of the second motor through a rotating shaft. A grinding plate is provided under the grinding disc. The grinding plate is fixedly connected to the inside of the outer shell, and a through hole is provided in the center of the grinding plate.

[0009] Furthermore, a through opening is provided on the side of the shell corresponding to the position of the mesh screen, and the mesh screen passes through the through opening to enter the interior of the shell, and a guide rail matching the mesh screen is provided on the inner wall of the shell.

[0010] Furthermore, a handle is provided on the side of the mesh screen, and a plurality of symmetrically distributed pulleys are provided on the bottom surface of the mesh screen, and the pulleys are in contact with the guide rails.

[0011] Furthermore, the mesh screen comprises a frame and a screen body. The bottom of the frame is provided with a convex edge, the bottom surface of the screen body is fitted with the convex edge, and the screen body is detachably connected to the frame through a plurality of bolts on the edge.

[0012] Furthermore, the middle part of the screen body is arched, and the arched side of the screen body faces the grinding mechanism.

[0013] Furthermore, a side of the screen body away from the grinding mechanism is provided with reinforcing ribs, and the reinforcing ribs are integrated with the screen body.

[0014] Compared with the prior art, the advantages of the utility model are: the feeding mechanism can feed materials quantitatively according to the grinding conditions, and prevent the phenomenon of material blockage during the feeding process; the double mesh screen can continuously screen the ground material, and when one of the mesh screens needs to be replaced, the other mesh screen can continue to screen the fallen material, thereby achieving the process of changing the screen without pausing the grinding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is an overall schematic diagram of the utility model;

[0017] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0018] Figure 3 This is a schematic diagram of the utility model mesh screen;

[0019] Figure 4 for Figure 3 The enlarged view of point B in the middle;

[0020] Figure 5 It is a cross-sectional schematic diagram of the utility model;

[0021] Figure 6 for Figure 5 Enlarged view of point C in the middle;

[0022] Figure 7 for Figure 5 Enlarged view of point D in the middle.

[0023] Among them: 1. shell; 2. mesh screen; 3. grinding mechanism; 4. feeding mechanism; 11. perspective window; 12. discharge pipe; 13. grinding plate; 14. blade; 141. first motor; 21. knob; 22. handle; 23. frame; 24. screen body; 231. pulley; 241. reinforcing rib; 232. bolt; 31. second motor; 32. grinding disc; 41. feeding port; 42. feed pipe; 43. spiral feed shaft; 44. third motor. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0025] The specific implementation of the utility model will be described below in conjunction with the accompanying drawings:

[0026] like Figures 1 to 7 As shown, a grinding device for chemical production includes a housing 1 and a grinding mechanism 3. The housing 1 is provided with a grinding mechanism 3 inside. The grinding mechanism 3 includes a second motor 31, a grinding plate 13 and a grinding disc 32. The rotation center of the grinding disc 32 is fixedly connected to the output shaft of the second motor 31 through a rotating shaft. A grinding plate 13 is provided below the grinding disc 32. The grinding plate 13 is fixedly connected to the inside of the housing 1. A through hole is provided in the center of the grinding plate 13. The second motor 31 drives the rotating shaft to drive the grinding disc 32 to rotate. The material is ground in the gap between the grinding disc 32 and the grinding plate 13 and finally discharged from the through hole. A perspective window 11 is provided on the side of the housing 1, through which the grinding condition of the material inside the housing 1 can be observed.

[0027] A discharge pipe 12 is provided at the bottom of the housing 1, and a material dispersing mechanism is provided in the discharge pipe 12. The material dispersing mechanism includes blades 14 and a first motor 141. The first motor 141 is fixedly connected to the inner wall of the discharge pipe 12 through a connecting rod, and the output shaft of the first motor 141 is fixedly connected to the rotation center of the blade 14. The first motor 141 drives the blade 14 to rotate, and when the material passes through the blade 14, the blade 14 scatters the material to prevent the material from agglomerating into blocks.

[0028] A feeding mechanism 4 is provided on the top of the housing 1, and the feeding mechanism 4 includes a feeding port 41, a feeding pipe 42, and a third motor 44. The bottom of the feeding port 41 is connected to the feeding pipe 42 through a pipeline, and a spiral feeding shaft 43 is provided in the feeding pipe 42. The third motor 44 is fixedly connected to the mounting platform of the grinding device. One end of the spiral feeding shaft 43 is fixedly connected to the output shaft of the third motor 44, and the feeding pipe 42 is connected to the housing 1. The third motor 44 drives the spiral feeding shaft 43 to transport the material into the housing 1. By controlling the rotation speed of the spiral feeding shaft 43, the material added into the housing 1 is controlled. Under the action of the spiral feeding shaft 43, the material can be prevented from clogging the lower feeding pipe 42.

[0029] A double mesh screen 2 is provided below the grinding mechanism 3. A through opening is provided on the side of the shell 1 corresponding to the position of the mesh screen 2. The mesh screen 2 passes through the through opening and enters the interior of the shell 1. A guide rail matching the mesh screen 2 is provided on the inner wall of the shell 1. A handle 22 is provided on the side of the mesh screen 2. The mesh screen 2 includes a frame 23 and a screen body 24. A convex edge is provided at the bottom of the frame 23. The bottom surface of the screen body 24 fits the convex edge. The screen body 24 is detachably connected to the frame 23 through multiple bolts 232 on the edge. The detachable screen body 24 is convenient for maintenance or replacement of the screen body 24. A plurality of symmetrically distributed pulleys 231 are provided on the bottom surface of the mesh screen 2, and the pulleys 231 are in contact with the guide rail. The mesh screen 2 is in rolling contact with the guide rail through the pulleys 231, which makes it easy to pull out or push the mesh screen 2 into the shell 1. The middle part of the sieve body 24 is arched, and the arched side of the sieve body 24 faces the grinding mechanism 3. The ground material falls on the arched side of the sieve body 24, fully contacts the sieve body 24 and is screened. The oversized particles fall on the edge of the sieve body 24, and the particles that meet the standards pass through the sieve body 24. The side of the sieve body 24 away from the grinding mechanism 3 is provided with a reinforcing rib 241, and the reinforcing rib 241 is integrated with the sieve body 24. The reinforcing rib 241 can enhance the deformation resistance of the sieve body 24 and improve the service life of the mesh screen 2. The outer shell 1 is provided with a locking mechanism at the position corresponding to the mesh screen 2. The locking mechanism includes a fixed shaft and a block. The fixed shaft is fixedly connected to the outer shell 1, and the block is rotatably connected to the rotating shaft. When the mesh screen 2 needs to be locked, the block is rotated to fit the mesh screen 2; when unlocking, the block is turned away, and the mesh screen 2 can be pulled out of the outer shell 1 by controlling the handle 22.

[0030] The working principle of the specific embodiment of the utility model is as follows: add materials into the feed port 41, the third motor 44 drives the spiral feed shaft 43 to rotate, and the materials are discharged from the feed pipe 42 into the housing 1. The second motor 31 drives the grinding disc 32 to rotate, and the materials are ground in the gap between the grinding disc 32 and the grinding plate 13. The ground materials fall from the through holes onto the mesh screen 2 for filtration, and the larger particles of the materials are retained in the mesh screen 2, and the particles of the materials that meet the standards are discharged from the discharge pipe through the mesh screen 2, and the first motor 141 drives the blades 14 to rotate to break up the discharged materials to prevent the materials from agglomerating.

[0031] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an element centered thereon. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an element centered thereon. The terms "upper", "lower", "left", "right", "front", "rear" and similar expressions used herein are for illustrative purposes only.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A grinding device for chemical production, comprising a housing (1) and a grinding mechanism (3), wherein the grinding mechanism (3) is arranged inside the housing (1), and a discharge pipe (12) is arranged at the bottom of the housing (1), characterized in that: A feeding mechanism (4) is provided on the top of the shell (1), a double mesh screen (2) is provided below the grinding mechanism (3), the mesh screens (2) are slidably connected to the shell (1), and a locking mechanism is provided on the shell (1) at a position corresponding to the mesh screen (2).

2. The grinding device for chemical production according to claim 1, characterized in that: A perspective window (11) is provided on the side of the housing (1).

3. The grinding device for chemical production according to claim 1, characterized in that: A material dispersing mechanism is provided in the discharge pipe (12), and the material dispersing mechanism comprises blades (14) and a first motor (141). The first motor (141) is fixedly connected to the inner wall of the discharge pipe (12) via a connecting rod, and the output shaft of the first motor (141) is fixedly connected to the rotation center of the blade (14).

4. The grinding device for chemical production according to claim 1, characterized in that: The feeding mechanism (4) comprises a feeding port (41), a feeding pipe (42) and a third motor (44); the bottom of the feeding port (41) is connected to the feeding pipe (42) through a pipeline, a spiral feeding shaft (43) is provided in the feeding pipe (42), one end of the spiral feeding shaft (43) is fixedly connected to the output shaft of the third motor (44), and the feeding pipe (42) is connected to the housing (1).

5. The grinding device for chemical production according to claim 1, characterized in that: The grinding mechanism (3) comprises a second motor (31), a grinding plate (13) and a grinding disc (32); the rotation center of the grinding disc (32) is fixedly connected to the output shaft of the second motor (31) via a rotating shaft; a grinding plate (13) is provided below the grinding disc (32); the grinding plate (13) is fixedly connected to the inside of the housing (1); and a through hole is provided at the center of the grinding plate (13).

6. The grinding device for chemical production according to claim 1, characterized in that: A through opening is provided on the side of the outer shell (1) at a position corresponding to the mesh screen (2), and the mesh screen (2) passes through the through opening to enter the interior of the outer shell (1), and a guide rail matching the mesh screen (2) is provided on the inner wall of the outer shell (1).

7. The grinding device for chemical production according to claim 6, characterized in that: A handle (22) is provided on the side of the mesh screen (2), and a plurality of symmetrically distributed pulleys (231) are provided on the bottom surface of the mesh screen (2), wherein the pulleys (231) are in contact with the guide rail.

8. The grinding device for chemical production according to claim 1, characterized in that: The mesh screen (2) comprises a frame (23) and a screen body (24); the bottom of the frame (23) is provided with a convex edge, the bottom surface of the screen body (24) is in contact with the convex edge, and the screen body (24) is detachably connected to the frame (23) via a plurality of bolts (232) on the edge.

9. The grinding device for chemical production according to claim 8, characterized in that: The middle part of the sieve body (24) is arched, and the arched side of the sieve body (24) faces the grinding mechanism (3).

10. The grinding device for chemical production according to claim 8, characterized in that: A side of the sieve body (24) away from the grinding mechanism (3) is provided with a reinforcing rib (241), and the reinforcing rib (241) is integrated with the sieve body (24).

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