Sand mill capable of preventing fallen materials from flying off and used for coating production and preparation

Abstract

The utility model belongs to the technical field of chemical material production, and particularly relates to a sand mill for coating production and preparation capable of preventing fallen materials from scattering, which comprises a sand mill, the surface of the sand mill is fixedly connected with an abrasive cavity, the top surface of the abrasive cavity is fixedly connected with a conveying pipe, and the bottom surface of one side of the conveying pipe abuts against a feeding cavity. The surface of the inner wall of the feeding cavity is slidably connected with a first filter screen, the top surface of the first filter screen is connected with a second filter screen in a clamped mode, the surface of the second fixing block is longitudinally connected with a second rotating shaft in a penetrating mode, the surface of the second rotating shaft is longitudinally connected with a second cover plate in a penetrating mode, the surface of the second cover plate abuts against a third cover plate, and the surface of the third cover plate is longitudinally connected with the second rotating shaft in a penetrating mode. Through cooperation of the first filter screen and the second filter screen which are slidably connected into the feeding cavity and the motor installed at the top of the first cover plate, coating raw materials quantitatively put into the feeding cavity are screened before entering the grinding cavity, and the problem that due to the fact that the raw materials are too large, falling and scattering are caused during grinding is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical material production, and in particular relates to a sand mill for coating production and preparation which can prevent falling materials from flying. Background Art

[0002] A sand mill is a device used to grind and mix granular materials, and is commonly used in the preparation of coatings, inks, pigments, dyes, foods, medicines, and other fields. Its working principle is mainly to achieve refinement and mixing through the movement of grinding media (such as steel balls, ceramic beads or glass beads) and the collision and grinding between granular materials. Among them, the "sand mill" disclosed in the application number "CN201810794401.7" is also an increasingly mature technology. When the coating raw materials need to be ground, the raw materials to be processed are poured into the sand mill through the feed trough for grinding. However, the device also has the following defects: However, when the above-mentioned equipment is in use, the existing sand mill often adds too much material at one time when feeding, or the material contains large pieces, hard objects, etc., resulting in splashing of the material during the grinding process, and the existing sand mill is prone to generate particles and dust during the grinding process, which are discharged from the discharge port and affect the working environment. Utility Model Content

[0003] The utility model aims to provide a sand mill for coating production and preparation which can prevent falling and scattering of materials, and aims to solve the problems in the prior art that when the above-mentioned equipment is in use, the existing sand mill often adds too much material at one time when feeding, or the material contains large pieces, hard objects, etc., which causes the material to splash during the grinding process, and the existing sand mill is prone to generate particles and dust during the grinding process that are discharged through the discharge port and affect the working environment.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A sand mill for coating production and preparation that can prevent falling materials from flying, comprising: a sand mill, characterized in that: the surface of the sand mill is fixedly connected to the abrasive chamber, the top surface of the abrasive chamber is fixedly connected to the feed pipe, the bottom surface of one side of the feed pipe abuts the feed chamber, the inner wall surface of the feed chamber is slidably connected to the first filter screen, the top surface of the first filter screen is snap-connected to the second filter screen, the second filter screen surface abuts the inner wall surface of the feed chamber, the top surface of the feed chamber is connected to the first fixed block, the first fixed block surface is horizontally penetrated and connected to the first rotating shaft, the first rotating shaft surface is horizontally penetrated and connected to the first cover plate, the top surface of the first cover plate is connected to the motor, the bottom surface of the motor is threadedly connected to the stirring rod, the bottom surface of the stirring rod abuts the second filter screen, the top surface of the feed chamber is connected to the second fixed block, the second fixed block surface is longitudinally penetrated and connected to the second rotating shaft, the second rotating shaft surface is longitudinally penetrated and connected to the second cover plate, the second cover plate surface abuts the third cover plate, and the third cover plate surface is longitudinally penetrated and connected to the second rotating shaft.

[0005] In order to make it easier to pull the second filter screen engaged with the first filter screen by utilizing the slide groove opened on the surface of the feed chamber to drive the first filter screen to move up together for cleaning and replacement, as a sand grinder for paint production and preparation that can prevent falling materials from flying, the utility model has a slide groove opened on the inner wall surface of the feed chamber that matches the shape and size of the slider on the surface of the first filter screen, and a slot opened on the top surface of the first filter screen that matches the shape and size of the protrusion on the bottom of the second filter screen.

[0006] In order to utilize the connected first rotating shaft and the second rotating shaft to make the first cover plate, the second cover plate and the third cover plate rotate and engage to feed on the surface of the feed chamber, as a sand grinder for paint production and preparation that can prevent falling materials from flying, the utility model comprises: the first fixed block, the first rotating shaft and the first cover plate form a rotating connection structure, the second fixed block, the second rotating shaft, the second cover plate and the third cover plate form a rotating connection structure and the second cover plate and the third cover plate are respectively provided with semicircular through grooves in the middle thereof, the shape and size of which are consistent with the feed pipe.

[0007] In order to collect dust particles generated in the abrasive cavity by means of a dust suction pipe connected to the surface of the abrasive cavity through a connected suction fan, the utility model is a sand grinder for paint production and preparation that can prevent falling materials from flying. The surface of the abrasive cavity is threadedly connected to the dust suction pipe, the bottom surface of the dust suction pipe is threadedly connected to a first connecting pipe, the bottom surface of the first connecting pipe is longitudinally penetrated and connected to a material storage box, one side surface of the material storage box is transversely penetrated and connected to a second connecting pipe, the inner wall surface of the second connecting pipe is engaged and connected to a molecular sieve, and the surface of the second connecting pipe is threadedly connected to the suction fan.

[0008] In order to facilitate the removal of the material storage box to clean dust and particles by unscrewing the bolts fixed between the dust suction pipe and the first connecting pipe and the second connecting pipe and the suction fan, the utility model is a sand grinder for paint production and preparation that can prevent falling materials from flying, the dust suction pipe and the first connecting pipe form a threaded connection structure, and the second connecting pipe and the suction fan form a threaded connection.

[0009] In order to facilitate the engagement and removal of the molecular sieve for replacement by utilizing the grooves provided on the inner wall of the second connecting tube, the utility model is a sand grinder for coating production and preparation that can prevent falling materials from flying. The inner wall surface of the second connecting tube has two semicircular grooves that match the shape and size of the protrusions connected to the surface of the molecular sieve.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1) Through the cooperation of the first filter screen and the second filter screen slidably connected in the feed chamber and the motor installed on the top of the first cover plate, the coating raw materials quantitatively fed into the feed chamber are screened before entering the abrasive chamber, thereby avoiding the problem of material falling and scattering during abrasion caused by excessive raw materials;

[0012] 2) The dust and particles generated in the abrasive chamber are absorbed and collected in the storage box by the suction pipe installed on the top of the side wall of the abrasive chamber through the connected suction fan. At the same time, the molecular sieve engaged in the second connecting pipe is used to adsorb the dust particles to prevent the dust particles from being directly discharged into the air through the discharge port and polluting the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the top cross-sectional structure of the utility model;

[0017] Figure 4 It is a schematic diagram of an enlarged cross-sectional structure of the feed chamber of the utility model;

[0018] Figure 5 For the utility model Figure 2 A schematic diagram of the enlarged structure of part A.

[0019] In the figure: 1. sand mill; 2. abrasive chamber; 3. feed pipe; 4. feed chamber; 5. first filter screen; 6. second filter screen; 7. first fixed block; 8. first rotating shaft; 9. first cover plate; 10. motor; 11. stirring rod; 12. second fixed block; 13. second rotating shaft; 14. second cover plate; 15. third cover plate; 16. dust suction pipe; 17. first connecting pipe; 18. storage box; 19. second connecting pipe; 20. molecular sieve; 21. suction fan. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-5The utility model provides the following technical solutions: a sand mill for coating production and preparation that can prevent falling materials from flying, comprising: a sand mill 1, the surface of the sand mill 1 is fixedly connected to the abrasive chamber 2, the top surface of the abrasive chamber 2 is fixedly connected to the feed pipe 3, the bottom surface of one side of the feed pipe 3 abuts against the feed chamber 4, the inner wall surface of the feed chamber 4 is slidably connected to the first filter screen 5, the top surface of the first filter screen 5 is snap-connected to the second filter screen 6, the surface of the second filter screen 6 abuts against the inner wall surface of the feed chamber 4, the top surface of the feed chamber 4 is connected to the first fixed block 7, and the surface of the first fixed block 7 is horizontally penetrated The first rotating shaft 8 is connected, the surface of the first rotating shaft 8 is horizontally penetrated and connected to the first cover plate 9, the top surface of the first cover plate 9 is connected to the motor 10, the bottom surface of the motor 10 is threadedly connected to the stirring rod 11, the bottom surface of the stirring rod 11 abuts the second filter screen 6, the top surface of the feed chamber 4 is connected to the second fixed block 12, the surface of the second fixed block 12 is longitudinally penetrated and connected to the second rotating shaft 13, the surface of the second rotating shaft 13 is longitudinally penetrated and connected to the second cover plate 14, the surface of the second cover plate 14 abuts the third cover plate 15, and the surface of the third cover plate 15 is longitudinally penetrated and connected to the second rotating shaft 13.

[0022] Preferably, the inner wall surface of the feed cavity 4 is provided with a sliding groove which matches the shape and size of the slider on the surface of the first filter screen 5 , and the top surface of the first filter screen 5 is provided with a card groove which matches the shape and size of the protrusion at the bottom of the second filter screen 6 .

[0023] During use, pull the handle on the top of the second filter screen 6 engaged on the first filter screen 5, and use the first filter screen 5 to move upward in the slide groove opened on the surface of the feed chamber 4 to easily take out the first filter screen 5 and the second filter screen 6 for cleaning and replacement.

[0024] Preferably: the first fixed block 7, the first rotating shaft 8 and the first cover plate 9 form a rotating connection structure, the second fixed block 12, the second rotating shaft 13, the second cover plate 14 and the third cover plate 15 form a rotating connection structure and the second cover plate 14 and the third cover plate 15 are respectively provided with semicircular through grooves in the middle, the shape and size of which are consistent with the feed pipe 3.

[0025] During specific use, when feeding is needed, the second cover plate 14 and the third cover plate 15 are rotated left and right respectively through the connected second fixed block 12, and then the handles on both sides of the first cover plate 9 are held, and the first rotating shaft 8 is used to lift the first cover plate 9 upward and rotate it upward on the surface of the first fixed block 7 to facilitate feeding.

[0026] Preferably: the surface of the abrasive chamber 2 is threadedly connected to the dust suction pipe 16, the bottom surface of the dust suction pipe 16 is threadedly connected to the first connecting pipe 17, the bottom surface of the first connecting pipe 17 is longitudinally penetrated and connected to the material storage box 18, and the surface of one side of the material storage box 18 is transversely penetrated and connected to the second connecting pipe 19, the inner wall surface of the second connecting pipe 19 is clamped and connected to the molecular sieve 20, and the surface of the second connecting pipe 19 is threadedly connected to the suction fan 21.

[0027] During specific use, when the raw material is ground in the abrasive chamber 2, the generated dust and particles are temporarily stored in the material storage box 18 through the dust suction pipe 16 and the first connecting pipe 17 installed on one side of the abrasive chamber 2 by the suction fan 21. At the same time, the molecular sieve 20 engaged in the second connecting pipe 19 connected to the suction fan 21 can absorb the dust and particles to avoid being discharged into the air with the suction fan 21 and affecting the environment.

[0028] Preferably, the dust suction pipe 16 and the first connecting pipe 17 form a threaded connection structure, and the second connecting pipe 19 and the suction fan 21 form a threaded connection structure.

[0029] During specific use, by unscrewing the bolts fixed between the dust suction pipe 16 and the first connecting pipe 17, and the bolts between the second connecting pipe 19 and the suction fan 21, the storage box 18 fixed in the middle can be conveniently taken out to clean the dust and particles stored therein, and the new molecular sieve 20 can be conveniently replaced.

[0030] Preferably, two semicircular grooves are formed on the inner wall surface of the second connecting tube 19 , and the shapes and sizes of the protrusions connected to the surface of the molecular sieve 20 are consistent.

[0031] When in use, the handle on one side of the molecular sieve 20 is pulled to take out the molecular sieve 20 engaged in the groove on the inner wall surface of the second connecting tube 19 so as to replace the molecular sieve 20 with a new one.

[0032] Working principle: During the coating production process, the raw materials to be ground are lifted upward by holding the handle on the surface of the first cover plate 9, and then the first rotating shaft 8 connected to it is used to rotate upward on the surface of the first fixed block 7 on one side of the feeding chamber 4, so as to facilitate lifting the first cover plate 9 covering the surface of the feeding chamber 4 for feeding, and at the same time, the handles on the surfaces of the second cover plate 14 and the third cover plate 15 are pulled to both sides, so as to utilize the connected second rotating shaft 13 to make the second cover plate 14 and the third cover plate 15 rotate to both sides on the surface of the second fixed block 12, so as to facilitate moving the three cover plates on the surface of the feeding chamber 4 to feed the inside of the feeding chamber 4. After feeding, the motor 10 installed on the top of the first cover plate 9 is used to drive the threaded part below The connected stirring rod 11 rotates on the top surface of the second filter screen 6 to push the raw materials downward for filtering and feeding, so as to avoid the influence of large pieces and hard objects in the input raw materials, which may cause the problem of material splashing during grinding. At the same time, the dust and particles generated when the raw materials are ground in the grinding chamber 2 are temporarily stored in the connected storage box 18 after passing through the dust suction pipe 16 and the first connecting pipe 17 through the action of the suction fan 21 connected to the bottom. At the same time, the molecular sieve 20 engaged in the second connecting pipe 19 connected to the suction fan 21 absorbs and intercepts the passing dust and particles, so as to avoid being directly discharged into the air from the discharge port and the suction fan 21 to affect the environment. This is a feature of a sand grinder for coating production and preparation that can prevent material splashing.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sand mill for coating production and preparation capable of preventing falling and scattering of materials, comprising: A sand mill (1), characterized in that: the surface of the sand mill (1) is fixedly connected to an abrasive cavity (2); the top surface of the abrasive cavity (2) is fixedly connected to a feed pipe (3); the bottom surface of one side of the feed pipe (3) abuts against a feed cavity (4); the inner wall surface of the feed cavity (4) is slidably connected to a first filter screen (5); the top surface of the first filter screen (5) is snap-connected to a second filter screen (6); the surface of the second filter screen (6) abuts against the inner wall surface of the feed cavity (4); the top surface of the feed cavity (4) is connected to a first fixed block (7); the surface of the first fixed block (7) is laterally penetrated and connected to a first rotating shaft (8); the surface of the first rotating shaft (8) The first cover plate (9) is connected to the first cover plate (9) in a transverse direction. The top surface of the first cover plate (9) is connected to the motor (10). The bottom surface of the motor (10) is threadedly connected to the stirring rod (11). The bottom surface of the stirring rod (11) abuts against the second filter screen (6). The top surface of the feed chamber (4) is connected to the second fixed block (12). The surface of the second fixed block (12) is connected to the second rotating shaft (13) in a longitudinal direction. The surface of the second rotating shaft (13) is connected to the second cover plate (14) in a longitudinal direction. The surface of the second cover plate (14) abuts against the third cover plate (15). The surface of the third cover plate (15) is connected to the second rotating shaft (13) in a longitudinal direction.

2. A sand mill for coating production and preparation capable of preventing falling and scattering of materials according to claim 1, characterized in that: The inner wall surface of the feed cavity (4) is provided with a sliding groove which matches the shape and size of the slider on the surface of the first filter screen (5), and the top surface of the first filter screen (5) is provided with a clamping groove which matches the shape and size of the bottom protrusion of the second filter screen (6).

3. A sand mill for coating production and preparation capable of preventing falling and scattering of materials according to claim 1, characterized in that: The first fixed block (7), the first rotating shaft (8) and the first cover plate (9) form a rotating connection structure, and the second fixed block (12), the second rotating shaft (13), the second cover plate (14) and the third cover plate (15) form a rotating connection structure, and the second cover plate (14) and the third cover plate (15) are respectively provided with semicircular through grooves in the middle thereof, the shape and size of which are consistent with the feeding pipe (3).

4. The sand mill for coating production and preparation capable of preventing falling and scattering of materials according to claim 1 is characterized in that: The surface of the abrasive chamber (2) is threadedly connected to a dust suction pipe (16), the bottom surface of the dust suction pipe (16) is threadedly connected to a first connecting pipe (17), the bottom surface of the first connecting pipe (17) is longitudinally penetrated to connect to a material storage box (18), a side surface of the material storage box (18) is transversely penetrated to connect to a second connecting pipe (19), the inner wall surface of the second connecting pipe (19) is engaged and connected to a molecular sieve (20), and the surface of the second connecting pipe (19) is threadedly connected to a suction fan (21).

5. A sand mill for coating production and preparation capable of preventing falling and scattering of materials according to claim 4, characterized in that: The dust suction pipe (16) and the first connecting pipe (17) form a threaded connection structure, and the second connecting pipe (19) and the suction fan (21) form a threaded connection structure.

6. A sand mill for coating production and preparation capable of preventing falling and scattering of materials according to claim 4, characterized in that: The inner wall surface of the second connecting tube (19) is provided with two semicircular grooves which match the shape and size of the protrusions connected to the surface of the molecular sieve (20).

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