Milling equipment for grain processing

Abstract

The utility model discloses a grinding device for grain processing, comprising: a grinding machine I, which is arranged on a frame; a vibration screening assembly, which is arranged on the frame, a powder filtering sieve assembly including a shell; a slotted vibration screen I and a slotted vibration screen II; a receiving hopper I; a receiving hopper II; a grinding machine II, which is arranged on the frame, and a material receiving port II at the upper end of the grinding machine II is connected with a material discharge port I of the shell. The grinding device for grain processing provided by the utility model can grind, screen and grind grains once, screen and grind twice in one production process, so as to ensure that all grains entering the grinding machine can be ground into finished products that meet the requirements after one production process, without the need for rework, thereby ensuring the quality of the finished products.

Description

Technical Field

[0001] The utility model relates to a grinding device for grain processing. Background Art

[0002] "Grains" covers a wide range, including rice, wheat, millet, soybeans and other grains. Grains are the staple food of Asians. After shelling, the grains usually need to be ground and crushed before use, so a grinding and crushing device is needed. Chinese patent application number 202121784028.0 discloses a grinding device for grain processing, including a mill, one side of the mill is connected to a collection device, and the mill includes an enclosure, and the four corners of the side of the enclosure that is connected to the collection device are fixedly connected to support legs, and the end of the support leg away from the enclosure is fixedly connected to a stabilizing foot, and a drive motor is fixedly connected to a side wall of one side of the enclosure, and the output end of the drive motor is fixedly connected to a linkage shaft, and the end of the linkage shaft away from the drive motor is movably connected to an auxiliary rotating shaft. The device brings the grains to the collection trough through a grinding wheel and squeezes the grains to grind the grains. However, the device is only equipped with one grinding wheel, which cannot guarantee that all the grains entering it can be ground into finished products that meet the requirements after one grinding. Some grains that have not been crushed to meet the standards are mixed in the finished products, which will affect the grinding quality and require rework, thereby increasing the processing cost. Utility Model Content

[0003] An object of the present invention is to solve at least the above problems and to provide at least the advantages which will be described below.

[0004] Another object of the utility model is to provide a grinding device for grain processing, which can perform primary grinding, screening and secondary grinding on grains in one production process to ensure that all grains entering therein can be ground into finished products that meet the requirements after one production process, without the need for rework, thereby ensuring the quality of the finished products.

[0005] In order to achieve these purposes and other advantages according to the utility model, a grain processing grinding device is provided, comprising:

[0006] A grinding machine I, which is arranged on a frame;

[0007] A vibration screening assembly is arranged on a frame. The powder filtering assembly includes a shell. A feed port I arranged at the upper end of the shell is connected to a discharge port I of a grinding mill I. A trough vibration screen I and a trough vibration screen II are arranged in the shell at a relative inclination from top to bottom and spaced apart. Both the front end of the trough vibration screen I and the front end of the trough vibration screen II are opened. The front end opening of the trough vibration screen I is close to the rear end of the trough vibration screen II. The front end opening of the trough vibration screen II is extended close to the discharge port I at the lower end of the shell. The trough vibration screen I includes a vibration screen body I at the bottom. Three baffles I are arranged end to end on both sides and the rear end of the vibration screen body I. The trough vibration screen II It includes a vibration screen body II at the bottom; three baffles II, which are connected end to end and arranged on both sides and the rear end of the vibration screen body II; a receiving hopper I, which is arranged below the trough vibration screen I, and the receiving port I of the receiving hopper I is arranged close to the bottom of the trough vibration screen I, and the specification of the receiving port I is adapted to the bottom specification of the trough vibration screen I, and the discharge port I at the lower end of the receiving hopper I is extended to the outside of the shell; the receiving hopper II is arranged below the trough vibration screen II, and the receiving port II of the receiving hopper II is arranged close to the bottom of the trough vibration screen II, and the specification of the receiving port II is adapted to the bottom specification of the trough vibration screen II, and the discharge port II at the lower end of the receiving hopper II is extended to the outside of the shell;

[0008] The grinding machine II is arranged on the frame, and the material receiving port II at the upper end of the grinding machine II is communicated with the material discharging port I of the shell.

[0009] Preferably, the feed port I of the shell is in the shape of an elongated strip, the length of the feed port I is smaller than the length of the trough-type vibrating screen I, and the length of the feed port I is smaller than the width of the trough-type vibrating screen I.

[0010] Preferably, the cross-sectional area of ​​the shell gradually increases, and the bottom area of ​​the trough vibrating screen I is smaller than the bottom area of ​​the trough vibrating screen II.

[0011] Preferably, the mill I comprises a milling cylinder I, which is a cylindrical structure, a feed opening of the mill I is arranged at the bottom of the milling cylinder I, a feed receiving opening I of the mill I is arranged at the upper end of the milling cylinder I, and in the vertical direction, the feed receiving opening I and the feed opening I are staggered with each other; a grinding wheel I is horizontally rotatably arranged in the milling cylinder I;

[0012] The grinding machine II includes a grinding cylinder II, which is a cylindrical structure. The discharge port II of the grinding machine II is arranged at the bottom of the grinding cylinder II, the receiving port II of the grinding machine II is arranged at the upper end of the grinding cylinder II, and in the vertical direction, the receiving port II and the discharge port II are staggered with each other; the grinding wheel II is horizontally rotatably arranged in the grinding cylinder II.

[0013] Preferably, the discharge port I at the lower end of the receiving hopper I and the discharge port II at the lower end of the receiving hopper II are extended outward from the shell through the same side wall of the shell.

[0014] Preferably, the inclination angles of the trough vibrating screen I and the trough vibrating screen II are both less than 20°.

[0015] The utility model at least has the following beneficial effects:

[0016] The grain processing grinding device provided by the utility model can grind, screen and grind the grains once, screen and grind them twice in one production process, so as to ensure that all the grains entering the grinding device can be ground into finished products meeting the requirements after one production process, without the need for rework, thereby ensuring the quality of the finished products.

[0017] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a grain processing grinding device according to an embodiment of the utility model;

[0019] Figure 2 A top view of the trough vibrating screen I or trough vibrating screen II described in one embodiment of the utility model;

[0020] Figure 3 This is a front view structural schematic diagram of the vibrating screening assembly in another embodiment of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the mill I or the mill II in one embodiment of the utility model;

[0022] Figure 5 The figure is a side structural schematic diagram of the vibrating screening assembly in another embodiment of the utility model. DETAILED DESCRIPTION

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0024] It should be understood that the terms such as “having”, “including” and “comprising” used herein do not exclude the existence or addition of one or more other elements or combinations thereof.

[0025] like Figure 1 , 2 As shown, the utility model provides a grinding device for grain processing, comprising:

[0026] The mill Ⅰ10 is arranged on a frame; a plurality of legs are arranged at the bottom of the frame to support the mill Ⅰ, the powder filter assembly and the mill Ⅱ, so that there is a certain height difference, and under the action of gravity, the grains fall by themselves, which is convenient for the grinding operation; the mill Ⅰ and the mill Ⅱ are driven by a reduction motor, and the reduction motor is fixed on the frame; the vibration screening assembly 20 is arranged on the frame, and the powder filter assembly includes a shell 201, and the feed port Ⅰ2011 arranged at the upper end of the shell is connected with the feed port Ⅰ of the mill Ⅰ; the trough-type vibration screen Ⅰ202 and The trough-type vibrating screen II 203 is spaced apart from top to bottom and relatively tilted in the shell. The front ends of the trough-type vibrating screen I and the front ends of the trough-type vibrating screen II are both opened, and the front end opening of the trough-type vibrating screen I is close to the rear end of the trough-type vibrating screen II. The front end opening of the trough-type vibrating screen II is extended close to the discharge port I at the lower end of the shell. The trough-type vibrating screen I includes a vibrating screen body I 2021 at the bottom; three baffles I 2022 are connected end to end and are arranged on both sides and the rear end of the vibrating screen body I. The trough-type vibrating screen II includes a vibrating screen body II at the bottom.

[0027] 2031; three baffles II 2032, which are connected end to end and are arranged on both sides and the rear end of the vibration screen body II; three baffles I and three baffles II are arranged around the trough vibration screen I and the trough vibration screen II, so that they present a trough structure with three sides blocked, so as to prevent grains from sliding off the sides and rear ends of the trough vibration screen I and the trough vibration screen II, so that the grains can only pass through the sieve and then slide off from the front end of the trough vibration screen I and the front end of the trough vibration screen II to ensure the screening effect; the trough vibration screen I and the trough vibration screen II are relatively inclined and arranged in the shell to effectively increase the screening time and achieve a better screening effect; the receiving hopper I 204 is arranged below the trough vibration screen I, and the receiving port I of the receiving hopper I is arranged close to the bottom of the trough vibration screen I, and the specifications of the receiving port I are adapted to the bottom specifications of the trough vibration screen I, and the discharge of the lower end of the receiving hopper I Port I is extended outward from the shell; a collecting hopper II 205 is arranged below the trough vibrating screen II, and a collecting port II of the collecting hopper II is arranged close to the bottom of the trough vibrating screen II, and the specifications of the collecting port II are adapted to the bottom specifications of the trough vibrating screen II, and a discharge port II at the lower end of the collecting hopper II is extended outward from the shell; the grains initially ground by the milling machine I fall into the filtering powder screen assembly, and are first vibrated and screened by the trough vibrating screen I and the trough vibrating screen II in turn, and the grains screened and filtered are collected by the collecting hopper I and the collecting hopper II and guided out of the shell, and the grains that do not meet the grinding standards are screened by the trough vibrating screen I and the trough vibrating screen II in turn, and then discharged through the discharge port I of the shell; thus, the grains that meet the grinding standards and those that do not meet the grinding standards can be effectively screened; a milling machine II 30 is arranged on a frame, and a receiving port II at the upper end of the milling machine II is connected to the discharge port I of the shell. The grains that do not meet the grinding standards will enter the grinding machine II for further grinding, and finally the grains will be ground into finished products that meet the requirements.

[0028] In summary, the grain processing grinding device provided by the utility model can perform primary grinding, screening and secondary grinding on grains in one production process to ensure that all the grains entering therein can be ground into finished products that meet the requirements after one production process, without the need for rework, thereby ensuring the quality of the finished products.

[0029] In a preferred embodiment, the feed port I of the housing is in an elongated shape, the length of the feed port I is less than the length of the trough vibrating screen I, and the length of the feed port I is less than the width of the trough vibrating screen I. The elongated feed port I can evenly spread the once-milled grains and then drop them onto the trough vibrating screen I, so as to improve the screening efficiency.

[0030] like Figure 3 As shown, in a preferred embodiment, the cross-sectional area of ​​the shell gradually increases, and the bottom area of ​​the trough vibrating screen I is smaller than the bottom area of ​​the trough vibrating screen II. The cross-sectional area of ​​the shell gradually increases, which facilitates the arrangement of trough vibrating screens I and trough vibrating screens II of different sizes, ensures the vibration screening effect, and prevents unscreened grains from falling.

[0031] like Figure 4 As shown, in a preferred embodiment, the mill I includes a grinding cylinder I 101, which is a cylindrical structure, a feed opening I 102 of the mill I is arranged at the bottom of the grinding cylinder I, a feed receiving opening I 103 of the mill I is arranged at the upper end of the grinding cylinder I, and in the vertical direction, the feed receiving opening I and the feed opening I are staggered with each other; a grinding wheel I 104 is horizontally rotatably arranged in the grinding cylinder I; the mill II includes a grinding cylinder II 301, which is a cylindrical structure, and a feed opening I 103 of the mill II is arranged at the upper end of the grinding cylinder I.

[0032] Ⅱ302 is arranged at the bottom of the grinding cylinder Ⅱ, and the material receiving port Ⅱ303 of the grinding machine Ⅱ is arranged at the upper end of the grinding cylinder Ⅱ, and in the vertical direction, the material receiving port Ⅱ and the material discharge port Ⅱ are staggered with each other; the grinding wheel Ⅱ304 is horizontally rotatably arranged in the grinding cylinder Ⅱ. Both the grinding machine Ⅰ and the grinding machine Ⅱ are conventional grinding machines, which can meet the production needs of grinding grains.

[0033] like Figure 5 As shown, in a preferred embodiment, the discharge port I 2041 at the lower end of the receiving hopper I and the discharge port II 2051 at the lower end of the receiving hopper II are extended outward from the shell through the same side wall of the shell, so that the screened grains can be conveniently collected through the discharge port I and the discharge port II and transported to the storage barrel.

[0034] In a preferred embodiment, the inclination angles of the trough vibrating screen I and the trough vibrating screen II are both less than 20°. For example, the inclination angles of the trough vibrating screen I and the trough vibrating screen II can be 10°, 14°, 18°, etc., and gravity can be used to screen the milled grains. At the same time, the grains can be prevented from sliding too quickly due to excessive inclination angles.

[0035] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A grinding device for grain processing, characterized in that: include: A grinding machine I, which is arranged on a frame; The vibrating screening assembly is arranged on a frame, and the powder filtering screening assembly includes a shell, wherein a feed port I arranged at the upper end of the shell is connected to a feed port I of a grinding mill I; a trough vibrating screen I and a trough vibrating screen II are arranged in the shell at a relative inclination from top to bottom, and the front ends of the trough vibrating screen I and the front ends of the trough vibrating screen II are both opened, and the front end opening of the trough vibrating screen I is close to the rear end of the trough vibrating screen II, and the front end opening of the trough vibrating screen II is extended close to the discharge port I at the lower end of the shell, and the trough vibrating screen I includes a bottom The vibrating screen body Ⅰ of the invention is provided; three baffles Ⅰ are connected end to end and are arranged on both sides and the rear end of the vibrating screen body Ⅰ, and the trough vibrating screen Ⅱ includes the vibrating screen body Ⅱ at the bottom; three baffles Ⅱ are connected end to end and are arranged on both sides and the rear end of the vibrating screen body Ⅱ; a collecting hopper Ⅰ is provided below the trough vibrating screen Ⅰ, a collecting port Ⅰ of the collecting hopper Ⅰ is provided close to the bottom of the trough vibrating screen Ⅰ, the specification of the collecting port Ⅰ is adapted to the specification of the bottom of the trough vibrating screen Ⅰ, and a discharging port Ⅰ at the lower end of the collecting hopper Ⅰ is extended outside the shell; A receiving hopper II is arranged below the trough-type vibrating screen II, a receiving port II of the receiving hopper II is arranged close to the bottom of the trough-type vibrating screen II, the specification of the receiving port II is adapted to the bottom specification of the trough-type vibrating screen II, and a discharge port II at the lower end of the receiving hopper II is extended outside the shell; The grinding machine II is arranged on the frame, and the material receiving port II at the upper end of the grinding machine II is communicated with the material discharging port I of the shell.

2. The grain processing grinding device according to claim 1, characterized in that: The feed port I of the shell is in the shape of an elongated strip, the length of the feed port I is smaller than the length of the trough-type vibrating screen I, and the length of the feed port I is smaller than the width of the trough-type vibrating screen I.

3. The grain processing grinding device according to claim 1, characterized in that: From top to bottom, the cross-sectional area of ​​the shell gradually increases, and the bottom area of ​​the trough vibrating screen I is smaller than the bottom area of ​​the trough vibrating screen II.

4. The grain processing milling device according to claim 1, characterized in that: The mill I comprises a milling cylinder I, which is a cylindrical structure, a feed opening of the mill I is arranged at the bottom of the milling cylinder I, a feed receiving opening I of the mill I is arranged at the upper end of the milling cylinder I, and in the vertical direction, the feed receiving opening I and the feed opening I are staggered with each other; a grinding wheel I is horizontally rotatably arranged in the milling cylinder I; The grinding machine II includes a grinding cylinder II, which is a cylindrical structure. The discharge port II of the grinding machine II is arranged at the bottom of the grinding cylinder II, the receiving port II of the grinding machine II is arranged at the upper end of the grinding cylinder II, and in the vertical direction, the receiving port II and the discharge port II are staggered with each other; the grinding wheel II is horizontally rotatably arranged in the grinding cylinder II.

5. The grain processing milling device according to claim 1, characterized in that: The discharge port I at the lower end of the receiving hopper I and the discharge port II at the lower end of the receiving hopper II are extended outward of the shell body through the same side wall of the shell body.

6. The grain processing milling device according to claim 1, characterized in that: The inclination angles of the trough vibrating screen I and the trough vibrating screen II are both less than 20°.

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