Grinding device for lime powder processing

Abstract

The utility model relates to the technical field of grinding equipment, and discloses a grinding device for lime powder processing, which comprises a screening barrel, the bottom of the screening barrel is fixedly connected with a base, the top of the inner wall of the screening barrel is fixedly connected with a fixing ring, and the inner wall of the fixing ring is fixedly connected with a grinding cover. A material guide pipe is fixedly connected to the top of the grinding cover, a hopper is fixedly connected to the top of the material guide pipe, a backflow opening is formed in the left side of the hopper, a grinding block is arranged on the inner side of the grinding cover, and a first motor is fixedly connected to the lower side of the grinding block. The raw materials can be guided between the grinding cover and the grinding block through the hopper and the material guide pipe, uninterrupted grinding is carried out, the grinding efficiency is improved, the stirring rod and the brush plate are driven by the grinding block to rotate, the raw materials can be prevented from being blocked in the material guide pipe, unqualified lime powder can be screened out through the arranged backflow assembly, and the raw materials can be recycled. And backflow is carried out in time, and secondary grinding is carried out.

Description

Technical Field

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

[0002] Lime powder is a white powdery substance with calcium carbonate as the main component. It has a wide range of applications. The most common application is in the construction industry, that is, industrial calcium carbonate. Lime powder is made by grinding limestone with a grinding machine. The existing lime powder grinding devices all have a screening function, but only a rough screening is performed. The screened lime needs to wait until the device is ground before the limestone on the screen can be taken out and re-ground, which is troublesome and time-consuming, and the screened limestone cannot be collected and re-ground in time.

[0003] After searching, a multi-stage lime powder grinding device with announcement number CN219615687U includes a device body, the front end outer surface of the device body is movably connected with a device closing door, the middle part of the lower end outer surface of the device closing door is in contact with a material receiving frame, the lower end outer surface of the device body is fixedly connected with a device supporting leg, a screening component is provided on one side outer surface of the device body, a feed port is provided on the upper end outer surface of the device body, and a No. 1 motor is fixedly connected to the middle part of the upper end outer surface of the device body. The utility model is a multi-stage lime powder grinding device, which can perform secondary screening on the ground lime powder through the screening component, collect the screened unground lime through the sorting outlet, and promptly take out the screened lime and pour it into the device body for secondary grinding to ensure the grinding of lime powder;

[0004] Based on the above patent, the ground lime powder can be screened for the second time through the screening component, and the unground lime screened out can be collected through the sorting outlet, but it needs to be taken out manually and put into the device for grinding again, which is troublesome. In addition, the grinding is performed by the provided grinding balls and grinding discs. After the grinding is completed, the lime powder is poured out by flipping the grinding disc and then grinding is performed on the next side. The amount of grinding by the grinding disc is limited at one time, and the grinding efficiency is low. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a grinding device for lime powder processing, which can perform grinding continuously, effectively improves the grinding efficiency, can screen out unqualified lime powder, and return it in time for secondary grinding.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A grinding device for lime powder processing comprises a screening barrel, the bottom of the screening barrel is fixedly connected to a base, the top of the inner wall of the screening barrel is fixedly connected to a fixing ring, the inner wall of the fixing ring is fixedly connected to a grinding cover, the top of the grinding cover is fixedly connected to a material guide pipe, the top of the material guide pipe is fixedly connected to a hopper, a reflux port is provided on the left side of the hopper, a grinding block is provided on the inner side of the grinding cover, a first motor is fixedly connected to the lower side of the grinding block, a driving shaft of the first motor is fixedly connected to the inside of the grinding block, a screening plate is fixedly connected to the middle part of the inner wall of the screening barrel, an isolation cylinder is fixedly connected to the upper side of the screening plate corresponding to the outside of the first motor, a first discharge port is provided on the left side of the screening barrel, a guide plate is fixedly connected to the bottom of the inner wall of the screening barrel, a second discharge port is fixedly connected to the right side of the screening barrel, the screening barrel is connected to the hopper through a reflux assembly, and anti-blocking assemblies are provided on the upper and lower sides of the grinding block.

[0008] Furthermore, the anti-clogging component includes a stirring rod and a connecting rod on the upper and lower sides of the grinding block, and a brush plate is fixedly connected to the bottom of the connecting rod.

[0009] Furthermore, the reflux assembly includes an outer cylinder on the left side of the screening barrel, the bottom of the outer cylinder is fixedly connected to a collection box, the upper right end of the outer cylinder is fixedly connected to a reflux pipe, the interior of the outer cylinder is rotatably connected to a rotating shaft, the outside of the rotating shaft is fixedly connected to a spiral blade, the top of the outer cylinder is fixedly connected to a second motor, and the drive shaft of the second motor is fixedly connected to the top of the rotating shaft.

[0010] Furthermore, the bottom of the stirring rod is fixedly connected to the top of the grinding block.

[0011] Furthermore, the top of the connecting rod is fixedly connected to the front and rear sides of the bottom of the grinding block respectively.

[0012] Furthermore, the right side of the material collection box is fixedly connected to the left side of the screening barrel at a position corresponding to the first discharge port.

[0013] Furthermore, the right end of the reflux pipe is fixedly connected to the outside of the corresponding reflux port on the left side of the hopper.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the raw materials can be introduced into the space between the grinding cover and the grinding block through the hopper and the guide pipe, and the grinding can be carried out uninterruptedly. The lime powder after grinding falls on the screen plate for screening, which can avoid the time waste caused by adding raw materials in the middle, improve the grinding efficiency, and reduce the frequency of adding raw materials.

[0016] 2. In the utility model, the grinding block drives the stirring rod and the brush plate to rotate, which can prevent the raw materials from being blocked in the material guide pipe and the lime powder from being blocked in the screen plate. The unqualified lime powder can be introduced into the collecting box and brought into the hopper through the reflux component for secondary grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall schematic diagram of a grinding device for lime powder processing proposed by the utility model;

[0018] Figure 2 A schematic diagram of a stirring rod of a grinding device for lime powder processing proposed in the utility model;

[0019] Figure 3 This is a schematic diagram of a first motor of a grinding device for lime powder processing proposed in the utility model;

[0020] Figure 4 The utility model discloses a schematic diagram of a reflux component of a grinding device for lime powder processing.

[0021] Legend:

[0022] 1. Screening barrel; 2. Base; 3. Fixed ring; 4. Grinding cover; 5. Material guide pipe; 6. Hopper; 7. Reflux port; 8. Grinding block; 9. First motor; 10. Screen plate; 11. Isolation cylinder; 12. First discharge port; 13. Guide plate; 14. Second discharge port; 15. Stirring rod; 16. Connecting rod; 17. Brush plate; 18. Outer cylinder; 19. Material collection box; 20. Reflux pipe; 21. Rotating shaft; 22. Spiral blade; 23. Second motor. DETAILED DESCRIPTION

[0023] 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.

[0024] Reference Figure 1-4The utility model provides an embodiment: a grinding device for lime powder processing, comprising a screening barrel 1, a base 2 is fixedly connected to the bottom of the screening barrel 1, a fixing ring 3 is fixedly connected to the top of the inner wall of the screening barrel 1, a grinding cover 4 is fixedly connected to the inner wall of the fixing ring 3, a guide pipe 5 is fixedly connected to the top of the grinding cover 4, a hopper 6 is fixedly connected to the top of the guide pipe 5, a reflux port 7 is opened on the left side of the hopper 6, a grinding block 8 is arranged on the inner side of the grinding cover 4, a first motor 9 is fixedly connected to the lower side of the grinding block 8, a driving shaft of the first motor 9 is fixedly connected to the inside of the grinding block 8, and the raw material is put into the hopper 6, and flows to the grinding cover 4 and The grinding block 8 is driven to rotate by the first motor 9, and cooperates with the grinding cover 4 to grind the raw materials. The raw materials can be continuously introduced into the grinding cover 4 and the grinding block 8 through the set hopper 6 and the guide pipe 5, which can improve the grinding efficiency. A sieve plate 10 is fixedly connected to the middle part of the inner wall of the screening barrel 1, and an isolation cylinder 11 is fixedly connected to the upper side of the sieve plate 10 corresponding to the outside of the first motor 9. A first discharge port 12 is opened on the left side of the screening barrel 1, a guide plate 13 is fixedly connected to the bottom of the inner wall of the screening barrel 1, and a second discharge port 14 is fixedly connected to the right side of the screening barrel 1. The top of the grinding block 8 is fixedly connected to a stirring rod 15, and the bottom front of the grinding block 8 The rear two sides are fixedly connected with connecting rods 16, and the bottom of the connecting rods 16 is fixedly connected with a brush plate 17. When the grinding block 8 rotates, the stirring rod 15 and the brush plate 17 can be driven to rotate, so as to stir the raw materials in the hopper 6 and the guide tube 5 to avoid the blockage of the raw materials. The brush plate 17 rotates to stir the lime powder on the sieve plate 10, and the unqualified lime powder is poured out from the first discharge port 12. An outer cylinder 18 is provided on the left side of the screening barrel 1, and a collection box 19 is fixedly connected to the bottom of the outer cylinder 18. The right side of the collection box 19 is fixedly connected to the position of the first discharge port 12 on the left side of the screening barrel 1, and a reflux pump is fixedly connected to the upper end of the right side of the outer cylinder 18. Tube 20, the right end of the reflux pipe 20 is fixedly connected to the outside of the reflux port 7 on the left side of the hopper 6, the inner part of the outer cylinder 18 is rotatably connected to the rotating shaft 21, the outer part of the rotating shaft 21 is fixedly connected to the spiral blade 22, the top of the outer cylinder 18 is fixedly connected to the second motor 23, the driving shaft of the second motor 23 is fixedly connected to the top of the rotating shaft 21, and the second motor 23 is started to drive the rotating shaft 21 and the spiral blade 22 to rotate, which can drive the unqualified lime powder in the collecting box 19 to move upward, and flow into the hopper 6 through the reflux pipe 20 and the reflux port 7 for secondary grinding, instead of manually pouring the unqualified lime powder into the hopper 6, to avoid the problem of untimely treatment.

[0025] Working principle: the raw material is put into the hopper 6, and flows to the grinding cover 4 and the grinding block 8 through the guide pipe 5. The grinding block 8 is driven to rotate by the first motor 9, and cooperates with the grinding cover 4 to grind the raw material. The lime powder produced by grinding falls on the screen plate 10 for screening. When the grinding block 8 rotates, it drives the stirring rod 15 and the brush plate 17 to rotate. The rotation of the stirring rod 15 can prevent the raw material from being blocked in the guide pipe 5. The rotation of the brush plate 17 can promote the screening of the lime powder, and guide the unqualified lime powder into the collection box 19 from the first discharge port 12. The second motor 23 is started to drive the rotating shaft 21 and the spiral blade 22 to rotate, which can drive the unqualified lime powder in the collection box 19 to move upward, and flow into the hopper 6 through the reflux pipe 20 and the reflux port 7 for secondary grinding. The qualified lime powder passes through the sieve plate 10 and flows out from the second discharge port 14.

[0026] 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 grinding device for lime powder processing, comprising a screening barrel (1), characterized in that: The bottom of the screening barrel (1) is fixedly connected to a base (2); the top of the inner wall of the screening barrel (1) is fixedly connected to a fixing ring (3); the inner wall of the fixing ring (3) is fixedly connected to a grinding cover (4); the top of the grinding cover (4) is fixedly connected to a material guide pipe (5); the top of the material guide pipe (5) is fixedly connected to a hopper (6); a reflux port (7) is provided on the left side of the hopper (6); a grinding block (8) is provided on the inner side of the grinding cover (4); a first motor (9) is fixedly connected to the lower side of the grinding block (8); a driving shaft of the first motor (9) is fixedly connected to the inner side of the grinding cover (4); The screening barrel (1) is connected to the inside of the grinding block (8), a screening plate (10) is fixedly connected to the middle of the inner wall of the screening barrel (1), an isolation cylinder (11) is fixedly connected to the upper side of the screening plate (10) corresponding to the outside of the first motor (9), a first discharge port (12) is opened on the left side of the screening barrel (1), a guide plate (13) is fixedly connected to the bottom of the inner wall of the screening barrel (1), and a second discharge port (14) is fixedly connected to the right side of the screening barrel (1), the screening barrel (1) is connected to the hopper (6) through a reflux component, and anti-blocking components are arranged on the upper and lower sides of the grinding block (8).

2. A grinding device for lime powder processing according to claim 1, characterized in that: The anti-clogging component comprises stirring rods (15) and connecting rods (16) on the upper and lower sides of the grinding block (8), and a brush plate (17) is fixedly connected to the bottom of the connecting rod (16).

3. A grinding device for lime powder processing according to claim 1, characterized in that: The reflux assembly comprises an outer cylinder (18) on the left side of the screening barrel (1), the bottom of the outer cylinder (18) is fixedly connected to a collecting box (19), the upper right end of the outer cylinder (18) is fixedly connected to a reflux pipe (20), the interior of the outer cylinder (18) is rotatably connected to a rotating shaft (21), the exterior of the rotating shaft (21) is fixedly connected to a spiral blade (22), the top of the outer cylinder (18) is fixedly connected to a second motor (23), and the drive shaft of the second motor (23) is fixedly connected to the top of the rotating shaft (21).

4. A grinding device for lime powder processing according to claim 2, characterized in that: The bottom of the stirring rod (15) is fixedly connected to the top of the grinding block (8).

5. A grinding device for lime powder processing according to claim 2, characterized in that: The top of the connecting rod (16) is fixedly connected to the front and rear sides of the bottom of the grinding block (8) respectively.

6. A grinding device for lime powder processing according to claim 3, characterized in that: The right side of the material collecting box (19) is fixedly connected to the left side of the screening barrel (1) at a position corresponding to the first material discharge port (12).

7. A grinding device for lime powder processing according to claim 3, characterized in that: The right end of the reflux pipe (20) is fixedly connected to the outside of the corresponding reflux port (7) on the left side of the hopper (6).

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