Roller type flour milling machine

By installing a mixing component and a vibrating screen plate inside the feed hopper of the roller mill, combined with a guide plate and a dust collection system, the problems of material accumulation and rapid wear of the grinding rollers are solved, achieving uniform feeding and efficient grinding, thus improving flour quality and production efficiency.

CN223732867UActive Publication Date: 2025-12-30HEZE SHANLIANG CEREALS & OILS CO LTD
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Patent Information

Application Number
CN202520499839.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2025-12-30
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Existing roller mills have problems with material accumulation and rapid wear of the grinding rollers in their feeding system design, especially when the grain raw materials have high moisture content or significant differences in particle size, leading to blockages and increased operating costs.

Method used

A mixing assembly and a vibrating screen plate are installed in the feed hopper. The material is dispersed by a staggered mixing blade design. Combined with a guide plate and a dust collection system, the material is fed evenly and dust is collected to prevent blockage. The flour quality is improved through double grinding.

Benefits of technology

It achieves uniform material feeding and efficient grinding, reduces clogging and grinding roller wear, improves flour quality and production efficiency, and improves the working environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a roller type flour milling machine which comprises a flour milling machine body, the left side of the top of the flour milling machine body is communicated with a feeding hopper, a stirring assembly is installed in the feeding hopper, a vibrating screen plate is installed below the stirring assembly, and a motor is installed at the bottom of the front face of the feeding hopper. And an output shaft of the motor penetrates into the feeding hopper and is fixedly provided with a grinding roller. According to the utility model, the stirring blades are additionally arranged in a staggered manner, so that raw materials can be fully stirred, the raw materials are prevented from being accumulated or blocked, uniform feeding is ensured, the flour milling efficiency is improved, the raw materials can be preliminarily screened by the vibrating screen plate mounted below, impurities or particles which do not meet requirements are separated, and the raw materials entering the milling roller are ensured to be pure; and the two groups of grinding rollers which are arranged in an attached manner can perform double grinding on the raw materials, so that the fineness and the uniformity of the flour are ensured, and the requirements of different users on the quality of the flour are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flour milling machine, concretely to a roller type flour milling machine. BACKGROUND

[0002] In the grain processing industry, the flour milling machine is the key equipment for processing grain raw materials such as grains into flour, and the roller type flour milling machine has become the common choice of many grain processing enterprises and small workshops due to its high efficiency and stability. However, with the increasing requirements of the market for flour quality and production efficiency, the existing roller type flour milling machine gradually exposes a series of problems that need to be solved.

[0003] At present, the feeding system of most roller type flour milling machines on the market is relatively simple in design. At the feeding hopper, there is a lack of effective material dispersion and dredging mechanism. When the moisture of the grain raw materials is high or the particle size difference is obvious, it is easy to form accumulation at the feeding port. At the same time, the grinding roller wears out quickly and needs to be replaced frequently, increasing the use cost. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a roller type flour milling machine with the advantages of anti-clogging and screening.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A roller type flour milling machine, comprising a flour milling machine main body, a feeding hopper is communicated on the left side of the top of the flour milling machine main body, a stirring assembly is installed inside the feeding hopper, a vibrating sieve plate is installed below the stirring assembly, a motor is installed at the bottom of the front of the feeding hopper, a grinding roller is fixedly installed on the output shaft of the motor and penetrates into the inside of the feeding hopper, and the grinding roller is provided with two groups and is arranged in close contact, a dust suction hood is installed above the feeding hopper, and dust suction pipes are installed at equal distances at the bottom of the dust suction hood.

[0007] As a preferred scheme, the stirring assembly comprises a driving motor, a first stirring shaft is fixedly installed on the output shaft of the driving motor, a second stirring shaft is installed on the first stirring shaft through a transmission wheel and a belt, and stirring blades are installed on the surfaces of the first stirring shaft and the second stirring shaft in an interlaced manner.

[0008] As a preferred scheme, guide plates are symmetrically installed on both sides below the inner cavity of the feeding hopper and above the grinding roller, and the lower end of the guide plate is designed in an inclined manner.

[0009] As a preferred scheme, a positioning bracket is fixedly installed on the top of the dust suction hood, and the lower end of the positioning bracket is welded to the outside of the bottom bracket of the flour milling machine main body.

[0010] As a preferred scheme, the left side of the feeding hopper is provided with a discharge groove corresponding to the position of the vibrating screen plate, and a bearing plate is fixedly installed at the bottom outside the discharge groove, and a collecting box is clamped and installed at the top of the bearing plate.

[0011] As a preferred scheme, the bottom of the feeding hopper is communicated with the main body of the surface grinding machine through a frame, and an adjusting plate is pullably installed in the inside of the frame, and the lower end of the adjusting plate extends to the front of the main body of the surface grinding machine.

[0012] As a preferred scheme, the front surface of the feeding hopper is fixedly installed with a protective cover, and the transmission wheel connected to the front end of the first stirring shaft and the belt are located inside the protective cover, and the front end of the second stirring shaft is also located inside the protective cover.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a surface grinding machine, which comprises a surface grinding machine main body, a feeding hopper is fixedly installed on the front surface of the main body, and a first stirring shaft and a second stirring shaft are fixedly installed in the inside of the feeding hopper.

[0015] 2、The utility model discloses a surface grinding machine, which comprises a surface grinding machine main body, a feeding hopper is fixedly installed on the front surface of the main body, and a first stirring shaft and a second stirring shaft are fixedly installed in the inside of the feeding hopper. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a first perspective structure solid drawing of the utility model;

[0017] Figure 2 It is a second perspective structure solid drawing of the utility model;

[0018] Figure 3 It is a partial structure sectional view of the utility model;

[0019] Figure 4 Figure 2 is a magnified view of the internal structure of the feeding hopper of the utility model.

[0020] In the figure: 1, the main body of the surface grinding machine; 2, the feeding hopper; 3, the stirring assembly; 301, the driving motor; 302, the first stirring shaft; 303, the second stirring shaft; 304, the stirring blade; 4, the vibrating sieve plate; 5, the motor; 6, the grinding roller; 7, the guide plate; 8, the dust cover; 9, the dust suction pipe; 10, the positioning support; 11, the bearing plate; 12, the collection box. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the utility model. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or selective embodiment that is mutually exclusive with other embodiments.

[0023] Embodiment one:

[0024] Please refer to Figure 1 As shown in the figure, the utility model provides a roller type surface grinding machine, including surface grinding machine main part 1, the left side of surface grinding machine main part 1 top is communicated with feeding hopper 2, the inside installation of feeding hopper 2 is equipped with stirring assembly 3, the below installation of stirring assembly 3 is equipped with vibrating sieve plate 4, the bottom of the front of feeding hopper 2 is installed with motor 5, the output shaft of motor 5 is fixedly installed with grinding roller 6 and is penetrated to the inside of feeding hopper 2, and the grinding roller 6 is provided with two groups, and is set in conjunction, the above of feeding hopper 2 is installed with dust cover 8, and the bottom of dust cover 8 is installed with dust suction pipe 9 at equal intervals.

[0025] The technology scheme can fully stir the raw materials through the staggered arrangement of the stirring blades 304 inside, prevent the raw materials from piling up or blocking, ensure uniform feeding, improve the grinding efficiency, the lower installed vibrating sieve plate 4 can preliminarily screen the raw materials, separate impurities or particles that do not meet the requirements, ensure that the raw materials entering the grinding roller 6 are pure, and improve the quality of the finished flour, and the two groups of grinding rollers 6 arranged in close contact can double-grind the raw materials, ensure the fineness and uniformity of the flour, meet the needs of different users for the quality of the flour, and the dust hood 8 installed above the feeding hopper 2 and the dust suction pipes 9 distributed at equal intervals at the bottom of the dust hood 8 can effectively collect the dust generated in the grinding process, reduce dust pollution, improve the working environment, and protect the health of the operators.

[0026] Example two:

[0027] Based on example one, the utility model discloses as shown in Figure 3 The stirring assembly 3 includes a driving motor 301, a first stirring shaft 302 fixedly installed on the output shaft of the driving motor 301, a second stirring shaft 303 installed on the front end of the first stirring shaft 302 through a transmission wheel and a belt, and stirring blades 304 installed on the surfaces of the first stirring shaft 302 and the second stirring shaft 303 inside the feeding hopper 2 and staggered.

[0028] The technology scheme as shown in Figure 1 The stirring blades 304 arranged in double axes and staggered can more fully stir the raw materials, ensure uniform mixing of the raw materials, avoid local piling up or blocking, prevent the raw materials from piling up or caking, and improve the stirring efficiency.

[0029] Secondly, in the technical scheme, guide plates 7 are symmetrically installed on both sides below the inner cavity of the feeding hopper 2 and above the grinding rollers 6, and the lower ends of the guide plates 7 are designed in an inclined manner; a positioning bracket 10 is fixedly installed on the top of the dust hood 8, and the lower end of the positioning bracket 10 is welded to the outside of the bottom bracket of the grinding machine main body 1.

[0030] The technology scheme as shown in Figure 1 The guide plates 7 can uniformly guide the raw materials to the grinding area of the grinding rollers 6, avoid piling up or uneven distribution of the raw materials, ensure consistent grinding effect, and make the raw materials naturally slide to the grinding rollers 6 by gravity, reduce the residue of the raw materials on the guide plates 7, improve the guide efficiency, the design of the positioning bracket 10 enhances the connection strength between the grinding machine main body 1 and the dust hood 8, improves the overall stability of the equipment, reduces vibration and displacement during operation, and the fixed design of the positioning bracket 10 makes the installation of the dust hood 8 more convenient, and the position of the dust hood 8 can be adjusted to ensure the best dust collection effect.

[0031] Example three:

[0032] The utility model disclosesFigures 1-4 As shown, the left side of the feeding hopper 2 is provided with a discharge slot corresponding to the position of the vibrating screen plate 4, and the bottom outside the discharge slot is fixedly provided with a bearing plate 11, the top of the bearing plate 11 is clamped and mounted with a collecting box 12, and the right side of the collecting box 12 is designed as an open type; The bottom of the feeding hopper 2 and the surface grinding machine body 1 are communicated with a frame type frame, and the inside of the frame is pullably provided with an adjusting plate, and the lower end of the adjusting plate extends to the front of the surface grinding machine body 1; The front surface of the feeding hopper 2 is fixedly provided with a protective cover, and the transmission wheel connected to the front end of the first stirring shaft 302 and the belt are located inside the protective cover, and in addition, the front end of the second stirring shaft 303 is also located inside the protective cover.

[0033] By adopting the above technical scheme, the discharge slot is arranged at the left side of the feeding hopper 2 corresponding to the position of the vibrating screen plate 4, so that the impurities or particles not meeting the requirements screened out by the vibrating screen plate 4 can be quickly discharged, avoiding the accumulation of impurities affecting the operation of the equipment, and the open design of the collecting box 12 facilitates quick cleaning and replacement, so that the impurities can be automatically collected, reducing the frequency of manual cleaning and reducing the working intensity of the operator.

[0034] The working principle of the utility model is that: raw materials enter the equipment through the feeding hopper 2, the driving motor 301 drives the first stirring shaft 302 to rotate, the first stirring shaft 302 drives the second stirring shaft 303 to rotate synchronously through the transmission wheel and the belt, the staggered stirring blades 304 fully stir the raw materials, the stirred raw materials fall into the vibrating screen plate 4, the vibrating screen plate 4 preliminarily screens the raw materials, separates out impurities or particles not meeting the requirements, the screened impurities are discharged through the discharge slot at the left side of the feeding hopper 2 and fall into the collecting box 12, the screened raw materials are guided to the grinding area of the grinding roller 6 through the guide plate 7, the motor 5 drives the two groups of abutting grinding rollers 6 to rotate to double-grind the raw materials, the close abutment and rotary motion of the grinding rollers 6 grind the raw materials into fine flour, ensuring that the grinding effect is consistent, and the dust generated in the grinding process is collected through the dust hood 8 and the dust suction pipe 9, and the ash pipe at the top of the dust hood 8 is connected with the external dust suction equipment.

[0035] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0036] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the best mode for carrying out the present application, or those which are apparent).

[0037] Finally, it should be noted that the above-mentioned embodiments are merely used to illustrate the technical solutions of the present application, but not to limit the protection scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalent replaced without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A roller sander comprising a sander body (1), characterized in that: The left side of the top of the surface grinder main body (1) is communicated with a feeding hopper (2), the inside of the feeding hopper (2) is provided with a stirring assembly (3), the lower part of the stirring assembly (3) is provided with a vibrating sieve plate (4), the bottom of the front of the feeding hopper (2) is provided with a motor (5), the output shaft of the motor (5) penetrates into the inside of the feeding hopper (2) and is fixedly provided with a grinding roller (6), the grinding roller (6) is provided with two groups and is arranged in close contact, the upper part of the feeding hopper (2) is provided with a dust suction cover (8), the bottom of the dust suction cover (8) is provided with dust suction pipes (9) at equal distances.

2. A roller sander as claimed in claim 1, characterized in that: The stirring assembly (3) comprises a driving motor (301), the output shaft of the driving motor (301) is fixedly provided with a first stirring shaft (302), the front end of the first stirring shaft (302) is provided with a second stirring shaft (303) through a transmission wheel and a belt, and the first stirring shaft (302) and the second stirring shaft (303) are located in the inside of the feeding hopper (2) and are provided with stirring blades (304) on the surfaces in an interlaced manner.

3. A roller sander as defined in claim 1, characterized in that: The two sides of the lower part of the inside of the feeding hopper (2) and above the grinding roller (6) are symmetrically provided with guide plates (7), and the lower ends of the guide plates (7) are designed in an inclined manner.

4. A roller sander as defined in claim 1, wherein: The top of the dust suction cover (8) is fixedly provided with a positioning support (10), and the lower end of the positioning support (10) is welded to the outside of the bottom support of the surface grinder main body (1).

5. A roller sander as defined in claim 1, wherein: The left side of the feeding hopper (2) is provided with a discharge groove at a position corresponding to the vibrating sieve plate (4), and the bottom of the outside of the discharge groove is fixedly provided with a bearing plate (11), the top of the bearing plate (11) is clampedly provided with a collecting box (12), and the right side of the collecting box (12) is designed in an open manner.

6. A roller sander as defined in claim 1, wherein: The bottom of the feeding hopper (2) and the surface grinder main body (1) are communicated with a frame, and an adjusting plate is pullably arranged in the inside of the frame, and the lower end of the adjusting plate extends to the front of the surface grinder main body (1).

7. A roller sander as defined in claim 1, wherein: The front of the feeding hopper (2) is fixedly provided with a protective cover, the transmission wheel and the belt connected to the front end of the first stirring shaft (302) are located in the inside of the protective cover, and the front end of the second stirring shaft (303) is also located in the inside of the protective cover.