CN210522632U - Flour mill - Google Patents

Abstract

The utility model provides a flour mill belongs to agricultural machine technical field. It has solved the inconvenient problem of current milling machine operation. This milling machine, including storage hopper, set up apron on the big tip of storage hopper, set up main shaft in the storage hopper and set up and be used for driving main shaft pivoted motor on the apron, the last fixed surface of little tip and locating piece of storage hopper is connected, the through-hole of intercommunication storage hopper is seted up to the upper surface of locating piece, be equipped with the grinding roller in the grinding sleeve, the lower tip fixed connection of grinding roller and main shaft, the grinding roller is including being the grinding miller of round platform form and being cylindric and fixing the unloading wheel at the grinding miller upper surface, the unloading wheel is at the upper surface eccentric settings of grinding miller. The milling machine of this structure is great has improved the convenience of operation.

Description

Flour mill

Technical Field

The utility model belongs to the technical field of agricultural machine, especially a milling machine.

Background

A coarse grain flour mill is a machine for grinding various grains, traditional Chinese medicinal materials and other foods into uniform powder of 50-200 meshes. The grain grinder is operated by two grinding discs which are fully distributed with tooth grooves, so that materials are ground into powder, has the characteristics of continuous feeding type operation, precise structure, low noise, simple and easy operation, fine and smooth crushing, no dust and the like, and is suitable for supermarkets, market special cabinets and grain processing shops.

At present, in the process of grinding materials into powder by operating two millstones in a grinding opposite way, a material hole is formed in an upper millstone, and a funnel is arranged on the material hole, so that coarse cereals can be conveniently put into the material hole through the funnel; in addition, the coarse cereals are ground into powder between the two grinding discs, the powder is easy to remain in tooth grooves of the grinding discs to cause tooth groove blockage, the tooth surfaces of the grinding discs need to be cleaned frequently by manual work, and the use of the grinding discs is inconvenient.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a milling machine, the utility model aims to solve the technical problem that: how to improve the convenience of using the pulverizer.

The purpose of the utility model can be realized by the following technical proposal:

a pulverizer comprises a storage hopper, a cover plate arranged on the large end part of the storage hopper, a main shaft arranged in the storage hopper and a motor arranged on the cover plate and used for driving the main shaft to rotate, and is characterized in that the pulverizer also comprises a positioning block, the small end part of the storage hopper is fixedly connected with the upper surface of the positioning block, the upper surface of the positioning block is provided with a through hole communicated with the storage hopper, the axis of the through hole is overlapped with the axis of the storage hopper, a grinding sleeve is embedded in the through hole, the upper part in the grinding sleeve is a cylindrical cavity, the lower part is a conical cavity, a grinding roller is arranged in the grinding sleeve, the grinding roller is fixedly connected with the lower end part of the main shaft, the grinding roller comprises a grinding wheel in a round table shape and a blanking wheel which is in a cylindrical shape and is fixed on the upper surface of the grinding wheel, the blanking wheel is eccentrically arranged on the upper surface of the grinding wheel, the blanking wheel is positioned in the cylindrical cavity, and a gap is formed, the grinding wheel is positioned in the conical cavity, and the distance between the outer peripheral surface of the grinding wheel and the inner wall of the conical cavity is gradually reduced from top to bottom.

The use principle of the flour mill is as follows: throw into the storage hopper with the food grains other than rice and wheat in, make to be full of the food grains other than rice and wheat in the storage hopper, motor drive main shaft rotates, the main shaft rotates and drives the grinding roller and rotate, the food grains other than rice and wheat in the storage hopper enter into the clearance between the outer peripheral face of advanced income unloading wheel and the inner wall of cylindrical cavity, then between the outer peripheral face of reentrant grinding miller and the inner wall of toper chamber, the grinding miller rotates and carries out the extrusion grinding to the food grains other than rice and wheat that is located between the outer peripheral face of grinding miller and the inner wall of toper chamber, the distance from the top down between the outer peripheral face of grinding miller and the inner wall of toper chamber reduces gradually structure can make the. The material discharging wheel is of an eccentric structure on the upper surface of the grinding wheel, the material discharging wheel rotates along with the grinding wheel, the gap between the outer peripheral surface of the material discharging wheel and the inner wall of the cylindrical cavity is continuously changed in the rotating direction of the material discharging wheel, when the gap between the outer peripheral surface of the material discharging wheel and the inner wall of the cylindrical cavity is the largest, coarse cereals can stably enter the gap between the outer peripheral surface of the material discharging wheel and the inner wall of the cylindrical cavity, the gap between the outer peripheral surface of the material discharging wheel and the inner wall of the cylindrical cavity is prevented from being blocked by coarse cereal particles, when the gap between the outer peripheral surface of the material discharging wheel and the inner wall of the cylindrical cavity is the smallest, the coarse cereal particles can be extruded to be crushed, and the. In addition, the positioning block is made of stainless steel, the grinding sleeve and the grinding roller are made of tungsten steel, the tungsten steel has the characteristics of high hardness, high strength, corrosion resistance, stainless steel and the like, and the inner circumferential surface of the grinding sleeve and the outer circumferential surface of the grinding roller are both subjected to frosting treatment to form a rough surface, so that the grinding is convenient. The storage hopper of this structure's volume is great, can once only store a large amount of coarse cereals, has avoided prior art to throw the problem of material at the crocus in-process need regularly to the direct perpendicular unloading of powder after the grinding can not cause the outer peripheral face that blocks up the grinding miller and the inner peripheral surface in toper chamber, has improved the convenience of operation greatly.

In the above flour mill, the upper end of the blanking wheel extends into the storage hopper. The structure enables the outer peripheral surface of the upper end part of the discharging wheel and the inner peripheral surface of the lower end of the storage hopper to form a triangular guide groove, so that coarse cereals can enter the space between the discharging wheel and the inner wall of the cylindrical cavity along the outer peripheral surface of the upper end part of the discharging wheel and the inclined surface of the storage hopper, and the situation that the coarse cereals block the gap between the discharging wheel and the upper end of the cylindrical cavity to cause difficulty in discharging is avoided.

In foretell milling machine, the upper surface of apron is provided with at least three hopper down along circumference interval, hopper and storage hopper are linked together down. This structure can once throw the material simultaneously to a plurality of hoppers down, improves and throws material efficiency, throws material more even, avoids the coarse cereals to pile up one side in the storage hopper.

In foretell milling machine, the pore wall department of through-hole upper end has annular location protruding edge, annular location step has been seted up on the outer peripheral face of grinding upper end portion, the bottom surface of location step supports with the lower surface on location protruding edge, the side of location step supports with the outer peripheral face on location protruding edge and leans on. The matching structure of the positioning convex edge and the positioning step facilitates accurate positioning and installation of the grinding sleeve in the through hole.

In the above-mentioned pulverizer, an inner peripheral surface of the upper end of the grinding sleeve has a chamfer. The chamfer angle of the structure plays a role in guiding, and is beneficial to grains of coarse cereals entering a gap between the outer peripheral surface of the blanking wheel and the inner peripheral surface of the cylindrical cavity along the chamfer angle.

In the above flour mill, the lower surface of the positioning block is provided with a plurality of supporting legs.

Compared with the prior art, the utility model discloses a milling machine has following advantage: the storage hopper of this milling machine's volume is great, can once only store a large amount of coarse cereals, has avoided prior art to throw the problem of material at the crocus in-process need regularly to the direct perpendicular unloading of powder after the grinding can not cause the outer peripheral face that blocks up the grinding miller and the inner peripheral surface in toper chamber, has improved the convenience of operation greatly.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure, 1, a storage hopper; 2. a cover plate; 3. a main shaft; 4. a motor; 5. positioning blocks; 51. a through hole; 52. positioning the convex edge; 6. grinding the sleeve; 61. a cylindrical cavity; 62. a tapered cavity; 63. positioning a step; 63a, lower surface; 63b, side faces; 64. chamfering; 7. a grinding roller; 71. a grinding wheel; 72. a blanking wheel; 8. feeding a hopper; 9. support the feet.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and fig. 2, the flour mill comprises a storage hopper 1, a cover plate 2 arranged on the large end of the storage hopper 1, a spindle 3 arranged in the storage hopper 1, and a motor 4 arranged on the cover plate 2 and used for driving the spindle 3 to rotate, and is characterized in that the flour mill further comprises a positioning block 5, the small end of the storage hopper 1 is fixedly connected with the upper surface of the positioning block 5, the upper surface of the positioning block 5 is provided with a through hole 51 communicated with the storage hopper 1, the axis of the through hole 51 is overlapped with the axis of the storage hopper 1, a grinding sleeve 6 is embedded in the through hole 51, the upper part of the grinding sleeve 6 is a cylindrical cavity 61, the lower part of the grinding sleeve is a conical cavity 62, a grinding roller 7 is arranged in the grinding sleeve 6, the grinding roller 7 is fixedly connected with the lower end of the spindle 3, the grinding roller 7 comprises a circular truncated cone-shaped grinding wheel 71 and a cylindrical blanking wheel 72 fixed on the upper surface of the grinding, the blanking wheel 72 is eccentrically arranged on the upper surface of the grinding wheel 71, the blanking wheel 72 is positioned in the cylindrical cavity 61, the grinding wheel 71 is positioned in the conical cavity 62, and the distance between the outer peripheral surface of the grinding wheel 71 and the inner wall of the conical cavity 62 is gradually reduced from top to bottom. Put into storage hopper 1 with the food grains other than rice and wheat, make storage hopper 1 be full of the food grains other than rice and wheat, motor 4 drive main shaft 3 rotates, main shaft 3 rotates and drives grinding roller 7 and rotates, the food grains other than rice and wheat in storage hopper 1 enters into the clearance between the outer peripheral face of unloading wheel 72 and outer peripheral face and the inner wall of cylindrical cavity 61 earlier, then enter into between the outer peripheral face of grinding wheel 71 and the inner wall of toper chamber 62, grinding wheel 71 rotates and extrudes the food grains other than rice and wheat that lie in between the outer peripheral face of grinding wheel 71 and the inner wall of toper chamber 62 and grinds, the distance from the top down structure that reduces gradually between the outer peripheral face of grinding wheel 71 and the inner wall of toper chamber 62 can make the abrasive particle littleer and smaller. The blanking wheel is in an eccentric arrangement structure on the upper surface of the grinding wheel 71, in the process that the blanking wheel 72 rotates along with the grinding wheel 71, the gap between the outer peripheral surface of the blanking wheel 72 and the inner wall of the cylindrical cavity 61 is continuously changed in the rotating direction of the blanking wheel 72, when the gap between the outer peripheral surface of the blanking wheel 72 and the inner wall of the cylindrical cavity 61 is the largest, coarse cereals can stably enter the gap between the outer peripheral surface of the blanking wheel 72 and the outer peripheral surface of the blanking wheel and the inner wall of the cylindrical cavity 61, the coarse cereal particles are prevented from blocking the gap between the outer peripheral surface of the blanking wheel 72 and the outer peripheral surface of the cylindrical cavity 61, when the gap between the outer peripheral surface of the blanking wheel 72 and the inner wall of the cylindrical cavity 61 is the smallest, the coarse cereal particles can be extruded and crushed, and the grinding of the coarse cereal particles. In addition, the positioning block 5 is made of stainless steel, the grinding sleeve 6 and the grinding roller 7 are both made of tungsten steel, the tungsten steel has the characteristics of high hardness, high strength, corrosion resistance, stainless steel and the like, and the inner circumferential surface of the grinding sleeve 6 and the outer circumferential surface of the grinding roller 7 are both subjected to frosting treatment to form a rough surface, so that grinding is facilitated.

As shown in fig. 2, the upper end of the blanking wheel 72 extends into the storage hopper 1. The outer peripheral surface of the upper end of the blanking wheel 72 and the inner peripheral surface of the lower end of the storage hopper 1 form a triangular guide groove, so that coarse cereals can enter the space between the blanking wheel 72 and the inner wall of the cylindrical cavity 61 along the outer peripheral surface of the upper end of the blanking wheel 72 and the inclined surface of the storage hopper 1, the coarse cereals are prevented from blocking a gap between the blanking wheel 72 and the upper end of the cylindrical cavity 61, and the blanking smoothness is improved.

As shown in fig. 1 and 2, at least three discharging hoppers 8 are circumferentially arranged on the upper surface of the cover plate 2 at intervals, and the discharging hoppers 8 are communicated with the storage hopper 1; the hole wall of the upper end part of the through hole 51 is provided with an annular positioning convex edge 52, the outer peripheral surface of the upper end part of the grinding sleeve 6 is provided with an annular positioning step 63, the bottom surface of the positioning step 63 is abutted against the lower surface 63a of the positioning convex edge 52, and the side surface 63b of the positioning step 63 is abutted against the outer peripheral surface of the positioning convex edge 52; the inner circumferential surface of the upper end of the grinding sleeve 6 is provided with a chamfer 64; the lower surface of the positioning block 5 is provided with a plurality of supporting feet 9.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (6)

1. The utility model provides a pulverizer, includes storage hopper (1), sets up apron (2) on storage hopper (1) big tip, sets up main shaft (3) in storage hopper (1) and sets up and be used for driving main shaft (3) pivoted motor (4) on apron (2), its characterized in that, pulverizer is still including locating piece (5), the tip of storage hopper (1) is connected with the last fixed surface of locating piece (5), through-hole (51) of intercommunication storage hopper (1) are seted up to the upper surface of locating piece (5), the axis of through-hole (51) overlaps with the axis of storage hopper (1), the embedded grinding cover (6) that is equipped with of through-hole (51), upper portion in grinding cover (6) is cylindrical cavity (61), lower part are toper chamber (62), be equipped with in grinding cover (6) and grind roller (7), grind the lower tip fixed connection of roller (7) and main shaft (3), the grinding roller (7) comprises a grinding wheel (71) in a circular truncated cone shape and a blanking wheel (72) which is cylindrical and fixed on the upper surface of the grinding wheel (71), wherein the blanking wheel (72) is eccentrically arranged on the upper surface of the grinding wheel (71), the blanking wheel (72) is positioned in a cylindrical cavity (61) and a gap is formed between the outer peripheral surface of the blanking wheel (72) and the inner wall of the cylindrical cavity (61), the grinding wheel (71) is positioned in a conical cavity (62), and the distance between the outer peripheral surface of the grinding wheel (71) and the inner wall of the conical cavity (62) is gradually reduced from top to bottom.

2. A mill according to claim 1, characterized in that the upper end of the blanking wheel (72) extends into the storage hopper (1).

3. A mill according to claim 1, characterized in that the upper surface of the cover plate (2) is provided with at least three blanking hoppers (8) at circumferentially spaced intervals, which blanking hoppers (8) are in communication with the storage hopper (1).

4. A mill according to claim 1, characterized in that the hole wall of the upper end of the through hole (51) has an annular positioning ledge (52), the outer circumferential surface of the upper end of the grinding sleeve (6) has an annular positioning step (63), the bottom surface of the positioning step (63) abuts against the lower surface (63a) of the positioning ledge (52), and the side surface (63b) of the positioning step (63) abuts against the outer circumferential surface of the positioning ledge (52).

5. A mill according to claim 1 or 4, characterized in that the inner periphery of the upper end of the grinding sleeve (6) is chamfered (64).

6. A mill according to claim 1, characterized in that the lower surface of the locating piece (5) has a number of supporting feet (9).

Images