Discharging mechanism of sand mill

Abstract

The utility model discloses a sand mill discharge mechanism, and relates to the technical field of sand mills, the sand mill discharge mechanism comprises a discharge shell, a sand mill body and a filter assembly arranged in the discharge shell, the filter assembly comprises a connecting disc fixedly connected with the inner wall of the discharge shell, the side surface of the connecting disc is provided with a feed port, and the feed port is provided with a discharge port. The side face of the connecting disc is fixedly connected with a first filter cylinder communicated with the feeding port, and the side face of the connecting disc is fixedly connected with a second filter cylinder located on the outer side of the first filter cylinder. According to the utility model, a raw material passes through the feed port and the inside of the first filter cartridge and is primarily filtered to obtain a primary filtered raw material, the primary filtered raw material enters the inside of the second filter cartridge and then is secondarily filtered to obtain a secondary filtered raw material, and the secondary filtered raw material enters the inside of the third filter cartridge and then is tertiary filtered to obtain a tertiary filtered raw material; and particles with different sizes can be effectively separated, so that the screening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sand mills, in particular to a discharging mechanism of a sand mill. Background Art

[0002] Sand mill, also known as bead mill, is a common grinding equipment. According to its performance, it can be roughly divided into horizontal sand mill, basket sand mill, vertical sand mill, etc. The sand mill places grinding media such as glass beads in the grinding cylinder and moves it. The high-speed collision of the grinding media can grind and crush the material.

[0003] Common sand mills usually discharge materials directly after grinding without screening, and cannot effectively separate particles of different sizes, resulting in low screening efficiency. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art that particles of different sizes cannot be effectively separated and the screening efficiency is low, and a sand mill discharging mechanism is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sand mill discharging mechanism comprises a discharging shell, a sand mill body and a filter assembly arranged inside the discharging shell, wherein the filter assembly comprises a connecting plate fixedly connected to the inner wall of the discharging shell, the side of the connecting plate is provided with a feed inlet, the side of the connecting plate is fixedly connected to a first filter cartridge communicated with the feed inlet, the side of the connecting plate is fixedly connected to a second filter cartridge located on the outer side of the first filter cartridge, the side of the connecting plate is fixedly connected to a third filter cartridge located on the outer side of the second filter cartridge, the bottom of the discharging shell is fixedly connected to a first-level discharging pipe communicated with the interior of the second filter cartridge, the bottom of the discharging shell and located on one side of the first-level discharging pipe are fixedly connected to a second-level discharging pipe communicated with the interior of the third filter cartridge, the bottom of the discharging shell and located on one side of the second-level discharging pipe are fixedly connected to a third-level discharging pipe communicated with the interior of the discharging shell, and the end surfaces of the first filter cartridge, the second filter cartridge and the third filter cartridge away from the connecting plate are all fixedly connected to the discharging shell.

[0006] As a further description of the above technical solution:

[0007] The connecting plate is fixedly connected with an outer filter cover on the side away from the second filter cylinder, and the feed port is located inside the outer filter cover.

[0008] As a further description of the above technical solution:

[0009] A connecting frame is fixedly connected to the side of the discharge shell, and a driving motor is fixedly connected to the inner wall of the connecting frame.

[0010] As a further description of the above technical solution:

[0011] The output end of the driving motor is fixedly connected with a rotating rod, and the surface of the rotating rod is provided with spiral blades.

[0012] As a further description of the above technical solution:

[0013] The side surface of the discharge shell is inlaid with a sealing ring whose inner wall is rotatably connected to the rotating rod, and the surface of the rotating rod is provided with a wear-resistant layer.

[0014] As a further description of the above technical solution:

[0015] Ear plates distributed in a circular array are fixedly connected to the surface of the discharge shell, and internal threaded sleeves corresponding to the positions of the ear plates are fixedly connected to the surface of the sand mill body.

[0016] As a further description of the above technical solution:

[0017] The inner wall of the internal thread sleeve is threadedly connected with a fixing bolt, and the internal thread sleeve is detachably connected to the ear plate through the fixing bolt.

[0018] As a further description of the above technical solution:

[0019] The end surface of the discharge shell at the opening is fixedly connected with a sealing strip, and the surface of the sand mill body is inlaid with a sealing gasket.

[0020] As a further description of the above technical solution:

[0021] A sealing groove is formed on the surface of the sealing gasket, and the inner wall of the sealing groove is embedded with the sealing gasket.

[0022] As a further description of the above technical solution:

[0023] The surface of the discharge shell is provided with a protective paint layer.

[0024] The utility model has the following beneficial effects:

[0025] 1. Compared with the prior art, the sand mill discharging mechanism, the raw material passes through the feed port, the first filter cylinder, the primary filtration is carried out to obtain the primary filtration raw material, the primary filtration raw material enters the second filter cylinder, and then the secondary filtration is carried out to obtain the secondary filtration raw material, the secondary filtration raw material enters the third filter cylinder, and then the tertiary filtration is carried out to obtain the tertiary filtration raw material, which can effectively separate particles of different sizes, thereby improving the screening efficiency.

[0026] 2. Compared with the prior art, the discharging mechanism of the sand mill drives the motor to drive the rotating rod to rotate, and at the same time, the spiral blades on the surface of the rotating rod rotate. Since the gap between the spiral blades and the inner wall of the first filter cylinder is small, the material will be thrust by the spiral blades and move forward, driving the raw materials inside the first filter cylinder to flow quickly, thereby improving the filtration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the internal structure of the discharging mechanism of the sand mill proposed in the utility model;

[0028] Figure 2 This is a cross-sectional view of the filter assembly of the sand mill discharging mechanism proposed by the utility model;

[0029] Figure 3 The sand mill discharging mechanism proposed by the utility model Figure 1 A magnified view of the structure at center;

[0030] Figure 4 This is a schematic diagram of the discharge housing structure of the discharge mechanism of the sand mill proposed in the utility model;

[0031] Figure 5 This is a schematic diagram of the sealing ring structure of the sand mill discharging mechanism proposed by the utility model;

[0032] Figure 6 This is a schematic diagram of the structure of the outer filter cover of the sand mill discharging mechanism proposed by the utility model.

[0033] Legend:

[0034] 1. Discharge housing; 2. Connecting plate; 3. Feed inlet; 4. First filter cartridge; 5. Second filter cartridge; 6. Third filter cartridge; 7. Primary discharge pipe; 8. Secondary discharge pipe; 9. Tertiary discharge pipe; 10. Connecting frame; 11. Driving motor; 12. Sealing ring; 13. Rotating rod; 14. Spiral blade; 15. Ear plate; 16. Sand mill body; 17. Internal threaded sleeve; 18. Sealing strip; 19. Sealing pad; 20. Sealing groove; 21. External filter cover. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0036] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply 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 a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, 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 elements. 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.

[0037] Example:

[0038] Reference Figure 1-6The sand mill discharging mechanism provided by the utility model comprises a discharging shell 1, a sand mill body 16 and a filter assembly arranged inside the discharging shell 1, the filter assembly comprises a connecting plate 2 fixedly connected to the inner wall of the discharging shell 1, a feeding port 3 is arranged on the side of the connecting plate 2, a first filter cartridge 4 communicating with the feeding port 3 is fixedly connected to the side of the connecting plate 2, a second filter cartridge 5 located on the outside of the first filter cartridge 4 is fixedly connected to the side of the connecting plate 2, a third filter cartridge 6 located on the outside of the second filter cartridge 5 is fixedly connected to the side of the connecting plate 2, a primary discharging pipe 7 communicating with the inside of the second filter cartridge 5 is fixedly connected to the bottom of the discharging shell 1, a secondary discharging pipe 8 communicating with the inside of the third filter cartridge 6 is fixedly connected to the bottom of the discharging shell 1 and located on one side of the primary discharging pipe 7, a tertiary discharging pipe 9 communicating with the inside of the discharging shell 1 is fixedly connected to the bottom of the discharging shell 1 and located on one side of the secondary discharging pipe 8, the first filter cartridge 4, the second filter cartridge 5 and the third filter cartridge 6 are far away from the connecting The end faces of the receiving plate 2 are fixedly connected to the discharge shell 1. The connecting plate 2 is fixedly connected with an outer filter cover 21 on the side away from the second filter cylinder 5. The feed port 3 is located inside the outer filter cover 21. The raw materials polished by the sand mill body 16 enter the outer filter cover 21 for filtering to prevent the grinding medium from entering the filter component. The raw materials pass through the feed port 3 and the first filter cylinder 4 for primary filtration to obtain primary filtration raw materials. The primary filtration raw materials enter the second filter cylinder 5 for secondary filtration to obtain secondary filtration raw materials. The secondary filtration raw materials enter the third filter cylinder 6 for tertiary filtration to obtain tertiary filtration raw materials. Solenoid valves are arranged on the primary discharge pipe 7, the secondary discharge pipe 8 and the tertiary discharge pipe 9. When the primary discharge pipe 7 is opened, the primary filtration raw materials are discharged through the primary discharge pipe 7. When the secondary discharge pipe 8 is opened, the secondary filtration raw materials are discharged through the secondary discharge pipe 8. When the tertiary discharge pipe 9 is opened, the tertiary filtration raw materials are discharged through the tertiary discharge pipe 9.

[0039] A connecting frame 10 is fixedly connected to the side of the discharge housing 1, and a driving motor 11 is fixedly connected to the inner wall of the connecting frame 10. A rotating rod 13 is fixedly connected to the output end of the driving motor 11. A spiral blade 14 is arranged on the surface of the rotating rod 13. A sealing ring 12 is inlaid on the side of the discharge housing 1, and the inner wall and the rotating rod 13 are rotatably connected. The surface of the rotating rod 13 is provided with a wear-resistant layer. The driving motor 11 drives the rotating rod 13 to rotate, and at the same time, the spiral blade 14 on the surface of the rotating rod 13 rotates. Since the gap between the spiral blade 14 and the inner wall of the first filter cylinder 4 is small, the material will be thrusted and move forward under the action of the spiral blade 14, driving the raw material inside the first filter cylinder 4 to flow quickly, thereby improving the filtering efficiency. The surface of the discharge housing 1 is fixedly connected with ear plates 15 distributed in a circular array, and the sand mill body 1 6 is fixedly connected with an internal threaded sleeve 17 whose position corresponds to the ear plate 15, and the inner wall of the internal threaded sleeve 17 is threadedly connected with a fixing bolt, and the internal threaded sleeve 17 is detachably connected to the ear plate 15 through the fixing bolt, and the end face of the discharge housing 1 located at the opening is fixedly connected with a sealing strip 18, and the surface of the sand mill body 16 is inlaid with a sealing gasket 19, and the surface of the sealing gasket 19 is provided with a sealing groove 20, and the inner wall of the sealing groove 20 is embedded with the sealing gasket 19, and the surface of the discharge housing 1 is provided with a protective paint layer, through the cooperation of the internal threaded sleeve 17, the fixing bolt and the ear plate 15, one end of the opening of the discharge housing 1 is pressed against the sealing gasket 19, and the sealing strip 18 is pressed into the inside of the sealing groove 20, and the sealing gasket 19 is deformed under the action of pressure, so that its fitting ability is better, thereby sealing.

[0040] Working principle: through the cooperation of the internal threaded sleeve 17, the fixing bolts and the ear plate 15, one end of the opening of the discharge housing 1 is pressed tightly against the sealing gasket 19, and the sealing strip 18 is pressed into the sealing groove 20. Under the action of pressure, the sealing gasket 19 is deformed to make it fit better, thereby sealing. The discharge mechanism is installed on the sand mill body 16, and the drive motor 11 is started during operation. The drive motor 11 drives the rotating rod 13 to rotate, and at the same time, the spiral blade 14 on the surface of the rotating rod 13 rotates. Since the gap between the spiral blade 14 and the inner wall of the first filter cylinder 4 is small, the material will be thrust by the spiral blade 14 and move forward, driving the raw material inside the first filter cylinder 4 to flow quickly, thereby improving the filtration efficiency, and the sand mill body 16 is polished. The raw materials after entering the outer filter cover 21 are filtered to prevent the grinding media from entering the interior of the filter component. The raw materials pass through the feed port 3 and the interior of the first filter cylinder 4 for primary filtration to obtain primary filtration raw materials. The primary filtration raw materials enter the interior of the second filter cylinder 5 for secondary filtration to obtain secondary filtration raw materials. The secondary filtration raw materials enter the interior of the third filter cylinder 6 for tertiary filtration to obtain tertiary filtration raw materials. Solenoid valves are set on the primary discharge pipe 7, the secondary discharge pipe 8 and the tertiary discharge pipe 9. Open the primary discharge pipe 7 to discharge the primary filtration raw materials through the primary discharge pipe 7, open the secondary discharge pipe 8 to discharge the secondary filtration raw materials through the secondary discharge pipe 8, open the tertiary discharge pipe 9 to discharge the tertiary filtration raw materials through the tertiary discharge pipe 9.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sand mill discharging mechanism, comprising a discharging housing (1), a sand mill body (16) and a filter assembly arranged inside the discharging housing (1), characterized in that: The filter assembly comprises a connection plate (2) fixedly connected to the inner wall of the discharge housing (1); a feed port (3) is arranged on the side of the connection plate (2); a first filter cartridge (4) communicating with the feed port (3) is fixedly connected to the side of the connection plate (2); a second filter cartridge (5) located outside the first filter cartridge (4) is fixedly connected to the side of the connection plate (2); a third filter cartridge (6) located outside the second filter cartridge (5) is fixedly connected to the side of the connection plate (2); and a third filter cartridge (6) located outside the second filter cartridge (5) is fixedly connected to the bottom of the discharge housing (1). A primary discharge pipe (7) is connected to the interior of the filter cartridge (5); a secondary discharge pipe (8) is fixedly connected to the bottom of the discharge housing (1) and located on one side of the primary discharge pipe (7) and connected to the interior of the third filter cartridge (6); a tertiary discharge pipe (9) is fixedly connected to the bottom of the discharge housing (1) and located on one side of the secondary discharge pipe (8) and connected to the interior of the discharge housing (1); and the end surfaces of the first filter cartridge (4), the second filter cartridge (5) and the third filter cartridge (6) that are away from the connecting plate (2) are fixedly connected to the discharge housing (1).

2. The sand mill discharging mechanism according to claim 1, characterized in that: The connecting plate (2) is fixedly connected to an outer filter cover (21) on the side away from the second filter cartridge (5), and the feed port (3) is located inside the outer filter cover (21).

3. The sand mill discharging mechanism according to claim 1, characterized in that: A connecting frame (10) is fixedly connected to the side of the discharge housing (1), and a driving motor (11) is fixedly connected to the inner wall of the connecting frame (10).

4. The sand mill discharging mechanism according to claim 3, characterized in that: The output end of the driving motor (11) is fixedly connected to a rotating rod (13), and a spiral blade (14) is arranged on the surface of the rotating rod (13).

5. The sand mill discharging mechanism according to claim 4, characterized in that: The side surface of the discharge housing (1) is inlaid with a sealing ring (12) whose inner wall is rotatably connected to the rotating rod (13), and the surface of the rotating rod (13) is provided with a wear-resistant layer.

6. The sand mill discharging mechanism according to claim 1, characterized in that: The surface of the discharge housing (1) is fixedly connected with ear plates (15) distributed in a circular array, and the surface of the sand mill body (16) is fixedly connected with an internal threaded sleeve (17) whose position corresponds to the ear plates (15).

7. The sand mill discharging mechanism according to claim 6, characterized in that: The inner wall of the internal thread sleeve (17) is threadedly connected with a fixing bolt, and the internal thread sleeve (17) is detachably connected to the ear plate (15) via the fixing bolt.

8. The sand mill discharging mechanism according to claim 1, characterized in that: A sealing strip (18) is fixedly connected to the end surface of the discharge housing (1) at the opening, and a sealing gasket (19) is inlaid on the surface of the sand mill body (16).

9. The sand mill discharging mechanism according to claim 8, characterized in that: A sealing groove (20) is provided on the surface of the sealing gasket (19), and the inner wall of the sealing groove (20) is embedded with the sealing gasket (19).

10. The sand mill discharging mechanism according to claim 1, characterized in that: The surface of the discharge housing (1) is provided with a protective paint layer.

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