Flour mill with screening function
By designing an adjustable grinding mechanism and an efficient screening mechanism in the grinder, the problem of insufficient grinding coarse and screening efficiency is solved, and the efficiency, flexibility and practical improvement of the grinder is achieved.
Patent Information
- Application Number
- CN202421855729.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-02
AI Technical Summary
The existing mills have shortcomings in the grinding coarse and fine adjustment and screening efficiency, which leads to the need to replace the device when different coarse and fine powders are needed, which reduces practicality and applicability.
A powder mill with screening function is designed, using an adjustable powder milling mechanism and screening mechanism. The grinding mechanism drives the slide plate to move through the double-headed threaded rod, adjusts the distance between the grinding rollers to adjust the fineness of the powder; the screening mechanism screens the grinded materials through the first and second filter plates, and uses the cooperation of the cam and the spring to prevent the filter hole from being blocked and improves the screening efficiency.
It realizes flexible adjustment of the grinding coarseness and fineness, and improves the practicality and applicability of the grinder; at the same time, through an efficient screening mechanism, the screening efficiency of the powder is improved and the filter holes are blocked.
Smart Images

Figure CN222943545U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grinding mills, in particular to a grinding mill with a screening function. Background Art
[0002] The grinding mill is an important equipment widely used in industrial production. It can grind raw materials of different hardness and viscosity into the required fineness and shape to meet the requirements of the production process.
[0003] According to a Chinese patent, a grinding mill with screening function, publication number CN214811189U, includes a machine body, a feed port is provided at the top of the machine body, and a first screening plate is installed on the inner wall of the machine body, a second screening plate is provided at the bottom of the first screening plate, and the second screening plate is connected to the machine body, and the inner walls of the first screening plate and the second screening plate are provided with evenly distributed screening holes. The utility model has a novel structure, and the device not only prevents materials from falling into the machine body, causing the machine body to be blocked and affecting the use of the grinding mill, but also allows large pieces of materials to be crushed and then ground again, saving materials;
[0004] In the device, the feeding plate is used to drop the material onto the top of the grinding shaft, and the two grinding shafts rotate to grind the material. However, the existing device still has the following problems: the distance between the two grinding shafts is fixed, resulting in a fixed degree of grinding. When different coarsenesses of powder need to be ground, the entire device needs to be replaced, which reduces practicality and applicability. Therefore, a grinding machine with a screening function is proposed. Utility Model Content
[0005] The purpose of the utility model is to provide a grinding mill with a screening function to solve the problems raised in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical solution: a grinding mill with screening function, comprising a machine case, a feed pipe, a discharge pipe and two inclined plates, wherein a grinding mechanism and a screening mechanism are arranged inside the machine case, and the screening mechanism is located below the grinding mechanism;
[0007] The grinding mechanism comprises a grinding component and an adjusting component;
[0008] The grinding component is located on the surface of the regulating component;
[0009] The grinding assembly includes a mounting frame and a grinding roller, wherein two of the mounting frame and the grinding roller are symmetrically arranged, the grinding roller is located inside the mounting frame, a second motor is fixedly connected to the front side of the mounting frame, a cleaning brush is arranged inside the mounting frame, and a protective cover is arranged on the surface cover of the second motor;
[0010] The adjustment component comprises a first motor, a slide plate is arranged on the outer sides of the two mounting frames, and a double-headed threaded rod and a slide rod are arranged on the inner side of the chassis.
[0011] Preferably, the left side of the first motor is fixedly connected to the right side of the chassis, the left end face of the first motor output rod passes through the right side of the chassis and extends into the interior of the chassis, the left end face of the first motor output rod is fixedly connected to the right end face of the double-headed threaded rod, and the first motor provides power for the rotation of the double-headed threaded rod.
[0012] Preferably, the thread on the left end face of the double-headed threaded rod passes through the right sides of the two skateboards and extends to the left sides of the two skateboards. The left end face of the double-headed threaded rod is rotatably connected to the inner wall of the chassis through a bearing seat. The inner side surface of the skateboard is fixedly connected to the outer side surface of the mounting frame, and the two skateboards are driven to move by the double-headed threaded rod.
[0013] Preferably, the left end surface of the slide bar slides through the right sides of the two slide plates and extends to the left sides of the two slide plates. The left and right end surfaces of the slide bar are respectively fixedly connected to the left and right side surfaces inside the chassis, and the slide bar limits the slide plates.
[0014] Preferably, the inner side surface of the mounting frame is fixedly connected to the outer side surface of the cleaning brush, the right end surface of the bristles of the cleaning brush is slidably connected to the surface of the grinding roller, and the cleaning plate can clean the powder attached to the grinding roller.
[0015] Preferably, the rear end face of the second motor output rod passes through the front side face of the mounting frame and extends to the inner side of the mounting frame, the rear end face of the second motor output rod is fixedly connected to the front end face of the grinding roller, the rear end face of the grinding roller is rotatably connected to the inner wall of the mounting frame through a bearing seat, and the second motor provides power for the rotation of the grinding roller.
[0016] Preferably, the two inclined plates are symmetrically arranged, and the side surfaces of the two inclined plates are respectively fixedly connected to the inner side surfaces of the chassis, and the two inclined plates are both located above the grinding rollers. The bottom end surface of the feed pipe is fixedly passed through the top surface of the chassis and extends to the inside of the chassis, and the top end surface of the discharge pipe is fixedly passed through the bottom surface of the chassis and extends to the inside of the chassis. The inclined plates facilitate the feed pipe to slide the material onto the two grinding rollers.
[0017] Preferably, the screening mechanism comprises a first filter plate and a second filter plate, the first filter plate and the second filter plate are symmetrically arranged, the filter hole of the second filter plate is smaller than the filter hole of the first filter plate, the left and right sides of the chassis are fixedly connected to the support plate, the support plate is fixedly connected to the upper and lower sides of the support plate, the two springs are respectively fixedly connected to the bottom surface of the first filter plate and the top surface of the second filter plate, and the left and right sides of the chassis are respectively provided with discharge openings, and the two discharge openings are respectively located above the left side of the first filter plate and above the right side of the second filter plate. The rear side of the chassis is fixedly connected to a third motor, the front end surface of the third motor output rod passes through the rear side of the chassis and extends to the interior of the chassis, the front end surface of the third motor output rod is fixedly connected to a rotating rod, and a cam is fixedly sleeved on the surface of the rotating rod, the cam is located between the first filter plate and the second filter plate, the front end surface of the rotating rod is rotatably connected to the inner wall of the chassis through a bearing seat, the discharge pipe is located below the second filter plate, and the first filter plate and the second filter plate screen the ground powder.
[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: the grinding mill with screening function, through the grinding mechanism, the grinding assembly uses the second motor to drive the grinding roller to rotate, so that the two grinding rollers grind the material, the adjustment component uses the double-headed threaded rod to drive the two slides to move closer to or away from each other, so that the distance between the two grinding rollers changes, which can achieve the purpose of adjusting the coarseness of the grinding, and the cleaning brush cleans the material attached to the surface of the grinding roller, thereby improving the practicality and applicability of the grinding mill; through the screening mechanism, the first filter plate and the second filter plate screen the ground material, the cam drives the first filter plate and the second filter plate to lift the material distribution, prevents the filter holes of the first filter plate and the second filter plate from being blocked, and improves the screening efficiency of the grinding mill. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a front cutaway stereoscopic view of the utility model;
[0020] Figure 2 This is a frontal stereogram of the entire utility model;
[0021] Figure 3 This is a rear perspective view of the entire utility model;
[0022] Figure 4 This is a front perspective view of the skateboard of the utility model;
[0023] Figure 5 This is a top-side sectional perspective view of a double-threaded rod of the utility model;
[0024] Figure 6 It is a left side sectional stereoscopic view of the rotating rod of the utility model.
[0025] In the figure: chassis 1, grinding mechanism 2, first motor 201, double-headed threaded rod 202, slide plate 203, slide bar 204, mounting frame 205, second motor 206, grinding roller 207, cleaning brush 208, protective cover 209, screening mechanism 3, first filter plate 301, second filter plate 302, support plate 303, spring 304, third motor 305, rotating rod 306, cam 307, feed pipe 4, discharge pipe 5, inclined plate 6. DETAILED DESCRIPTION
[0026] 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.
[0027] Embodiment 1
[0028] See also Figure 1 - Figure 6 The utility model provides a technical solution: a grinding mill with screening function, comprising a chassis 1, a feed pipe 4, a discharge pipe 5 and two inclined plates 6, a grinding mechanism 2 and a screening mechanism 3 are arranged inside the chassis 1, and the screening mechanism 3 is located below the grinding mechanism 2;
[0029] The grinding mechanism 2 includes a grinding component and an adjusting component;
[0030] The grinding component is located on the surface of the regulating component;
[0031] The grinding assembly includes a mounting frame 205 and a grinding roller 207. The mounting frame 205 and the grinding roller 207 are both symmetrically arranged in two. The grinding roller 207 is located inside the mounting frame 205. The front side of the mounting frame 205 is fixedly connected to a second motor 206. A cleaning brush 208 is arranged inside the mounting frame 205. A protective cover 209 is arranged on the surface of the second motor 206.
[0032] The adjusting component includes a first motor 201, and slide plates 203 are arranged on the outside of two mounting frames 205. A double-threaded rod 202 and a sliding rod 204 are arranged on the inside of the chassis 1. The left side of the first motor 201 is fixedly connected to the right side of the chassis 1. The left end face of the output rod of the first motor 201 penetrates the right side of the chassis 1 and extends to the inside of the chassis 1. The left end face of the output rod of the first motor 201 is fixedly connected to the right end face of the double-threaded rod 202. The left end face of the double-threaded rod 202 penetrates the right side faces of the two slide plates 203 and extends to the left sides of the two slide plates 203. The left end face of the double-threaded rod 202 is rotatably connected to the inner wall of the chassis 1 through a bearing seat. The inner side face of the slide plate 203 is fixedly connected to the outer side face of the mounting frame 205. The left end face of the sliding rod 204 slides through the right side faces of the two slide plates 203 and extends to the left sides of the two slide plates 203. The left and right end faces of the sliding rod 204 are respectively fixedly connected to the left and right sides inside the chassis 1. The mounting frame 20 The inner side of the second motor 206 is fixedly connected to the outer side of the cleaning brush 208, the right end face of the cleaning brush 208 is slidably connected to the surface of the grinding roller 207, the rear end face of the output rod of the second motor 206 penetrates the front side of the mounting frame 205 and extends to the inner side of the mounting frame 205, the rear end face of the output rod of the second motor 206 is fixedly connected to the front end face of the grinding roller 207, the rear end face of the grinding roller 207 is rotatably connected to the inner wall of the mounting frame 205 through the bearing seat, through the grinding mechanism 2, the grinding assembly drives the grinding roller 207 to rotate by the second motor 206, so that the two grinding rollers 207 grind the material, the adjusting assembly drives the two slide plates 203 to move closer to or away from each other by the double-headed threaded rod 202, so that the distance between the two grinding rollers 207 changes, which can achieve the purpose of adjusting the coarseness of the grinding, and the cleaning brush 208 cleans the material attached to the surface of the grinding roller 207, thereby improving the practicality and applicability of the grinding machine.
[0033] The two inclined plates 6 are symmetrically arranged, and the sides of the two inclined plates 6 are fixedly connected to the inner sides of the chassis 1 respectively. The two inclined plates 6 are both located above the grinding roller 207. The bottom end face of the feed pipe 4 is fixedly passed through the top surface of the chassis 1 and extends to the inside of the chassis 1. The top end face of the discharge pipe 5 is fixedly passed through the bottom surface of the chassis 1 and extends to the inside of the chassis 1.
[0034] Embodiment 2
[0035] On the basis of the first embodiment, a preferred embodiment of a grinding machine with a screening function provided by the present invention is as follows: Figure 1 and Figure 6As shown: the screening mechanism 3 includes a first filter plate 301 and a second filter plate 302, the first filter plate 301 and the second filter plate 302 are symmetrically arranged, the filter hole of the second filter plate 302 is smaller than the filter hole of the first filter plate 301, the left and right sides of the chassis 1 are fixedly connected with support plates 303, the upper and lower sides of the support plates 303 are fixedly connected with springs 304, the upper and lower end surfaces of the two springs 304 are respectively fixedly connected to the bottom surface of the first filter plate 301 and the top surface of the second filter plate 302, and the left and right sides of the chassis 1 are through-opened with discharge ports, and the two discharge ports are respectively located above the left side of the first filter plate 301 and above the right side of the second filter plate 302. The rear side of the chassis 1 is fixedly connected with a third motor 305, and the front end of the output rod of the third motor 305 The end face passes through the rear side of the chassis 1 and extends to the interior of the chassis 1. The front end face of the output rod of the third motor 305 is fixedly connected to a rotating rod 306. A cam 307 is fixedly sleeved on the surface of the rotating rod 306. The cam 307 is located between the first filter plate 301 and the second filter plate 302. The front end face of the rotating rod 306 is rotatably connected to the inner wall of the chassis 1 through a bearing seat. The discharge pipe 5 is located below the second filter plate 302. Through the screening mechanism 3, the first filter plate 301 and the second filter plate 302 screen the ground material. The cam 307 drives the first filter plate 301 and the second filter plate 302 to lift the material distribution to prevent the filter holes of the first filter plate 301 and the second filter plate 302 from being blocked, thereby improving the screening efficiency of the grinding mill.
[0036] When in use, the material is poured into the chassis 1 through the feed pipe 4, the second motor 206 is turned on, and the output rod of the second motor 206 drives the grinding roller 207 to rotate, so that the two grinding rollers 207 grind the material, and the grinding rollers 207 rotate, and the cleaning brush 208 cleans the material attached to the surface of the grinding roller 207; the ground material falls on the first filter plate 301, and the small particles of the material pass through the first filter plate 301 and fall into the second filter plate 302 for filtration, and the large particles of the material on the first filter plate 301 are discharged from the chassis 1 through the left discharge port. The second filter plate 302 filters the material filtered by the first filter plate 301 again, and the material with the smallest particles is discharged through the discharge pipe 5; the third motor 305 is turned on, and the output rod of the third motor 305 drives the connected rotating rod 306 to rotate, and the rotating rod 306 drives the cam 307 to rotate, so that the cam 307 squeezes the first filter plate 301 and the second filter plate 302. Under the action of the spring 304, the first filter plate 301 and the second filter plate 302 vibrate, thereby accelerating the filtering of the material by the first filter plate 301 and the second filter plate 302.
[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A grinding mill with screening function, comprising a housing (1), a feed pipe (4), a discharge pipe (5) and two inclined plates (6), characterized in that: A grinding mechanism (2) and a screening mechanism (3) are arranged inside the housing (1), and the screening mechanism (3) is located below the grinding mechanism (2); The grinding mechanism (2) comprises a grinding component and an adjusting component; The grinding component is located on the surface of the regulating component; The grinding assembly comprises a mounting frame (205) and a grinding roller (207), wherein the mounting frame (205) and the grinding roller (207) are both symmetrically arranged in two pieces, the grinding roller (207) is located inside the mounting frame (205), a second motor (206) is fixedly connected to the front side of the mounting frame (205), a cleaning brush (208) is arranged inside the mounting frame (205), and a protective cover (209) is arranged on the surface of the second motor (206); The adjustment component comprises a first motor (201), a slide plate (203) is arranged on the outside of the two mounting frames (205), and a double-headed threaded rod (202) and a slide rod (204) are arranged on the inside of the chassis (1).
2. A grinding mill with screening function according to claim 1, characterized in that: The left side of the first motor (201) is fixedly connected to the right side of the chassis (1); the left end face of the output rod of the first motor (201) passes through the right side of the chassis (1) and extends into the interior of the chassis (1); the left end face of the output rod of the first motor (201) is fixedly connected to the right end face of the double-threaded rod (202).
3. A grinding mill with screening function according to claim 1, characterized in that: The left end face of the double-threaded rod (202) is threaded through the right sides of the two slides (203) and extends to the left sides of the two slides (203); the left end face of the double-threaded rod (202) is rotatably connected to the inner wall of the chassis (1) via a bearing seat; the inner side face of the slide (203) is fixedly connected to the outer side face of the mounting frame (205).
4. A grinding mill with screening function according to claim 1, characterized in that: The left end surface of the slide bar (204) slides through the right sides of the two slide plates (203) and extends to the left sides of the two slide plates (203). The left and right end surfaces of the slide bar (204) are respectively fixedly connected to the left and right side surfaces inside the chassis (1).
5. A grinding mill with screening function according to claim 1, characterized in that: The inner side surface of the mounting frame (205) is fixedly connected to the outer side surface of the cleaning brush (208), and the right end surface of the bristles of the cleaning brush (208) is slidably connected to the surface of the grinding roller (207).
6. A grinding mill with screening function according to claim 1, characterized in that: The rear end face of the output rod of the second motor (206) passes through the front side of the mounting frame (205) and extends to the inner side of the mounting frame (205); the rear end face of the output rod of the second motor (206) is fixedly connected to the front end face of the grinding roller (207); and the rear end face of the grinding roller (207) is rotatably connected to the inner wall of the mounting frame (205) via a bearing seat.
7. A grinding mill with screening function according to claim 1, characterized in that: The two inclined plates (6) are symmetrically arranged, and the sides of the two inclined plates (6) are respectively fixedly connected to the inner sides of the chassis (1), and the two inclined plates (6) are both located above the grinding roller (207). The bottom end surface of the feed pipe (4) is fixedly passed through the top surface of the chassis (1) and extends into the interior of the chassis (1), and the top end surface of the discharge pipe (5) is fixedly passed through the inner bottom surface of the chassis (1) and extends into the interior of the chassis (1).
8. A grinding mill with screening function according to claim 1, characterized in that: The screening mechanism (3) comprises a first filter plate (301) and a second filter plate (302), the first filter plate (301) and the second filter plate (302) are symmetrically arranged, the filter hole of the second filter plate (302) is smaller than the filter hole of the first filter plate (301), the left and right sides of the interior of the chassis (1) are fixedly connected to support plates (303), the upper and lower sides of the support plates (303) are fixedly connected to springs (304), the upper and lower end surfaces of the two springs (304) are respectively fixedly connected to the bottom surface of the first filter plate (301) and the top surface of the second filter plate (302), and the left and right sides of the chassis (1) are respectively provided with discharge ports, and the two discharge ports are respectively located at the first filter plate (3 A third motor (305) is fixedly connected to the rear side of the chassis (1) on the upper left side of 01) and on the upper right side of the second filter plate (302); the front end face of the output rod of the third motor (305) passes through the rear side of the chassis (1) and extends into the interior of the chassis (1); the front end face of the output rod of the third motor (305) is fixedly connected to a rotating rod (306); a cam (307) is fixedly sleeved on the surface of the rotating rod (306); the cam (307) is located between the first filter plate (301) and the second filter plate (302); the front end face of the rotating rod (306) is rotatably connected to the inner wall of the chassis (1) through a bearing seat; and the discharge pipe (5) is located below the second filter plate (302).
Citation Information
Patent Citations
Flour mill with screening function
CN214811189U