CN211865153U

CN211865153U - Grinding device and multifunctional flour-milling machine

Info

Publication number: CN211865153U
Application number: CN202020045417.0U
Authority: CN
Inventors: 李海军; 李云鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-11-06
Anticipated expiration: 2030-01-10

Abstract

The utility model provides a grinding device and a multifunctional flour-milling machine, wherein, the grinding device comprises a circular truncated cone-shaped inner roller, an outer roller is sleeved on the inner roller, and the inner wall of the outer roller is attached to the outer wall of the inner roller and is in running fit with the outer wall of the inner roller; a plurality of functional areas are distributed on the outer wall of the inner roller along the circumference of the outer wall, and each functional area comprises a feeding area, a buffer area, a grinding area and a discharging area which are sequentially arranged along the outer circumference of the inner roller. The functional area is arranged on the inner roller, so that materials are rubbed, ground and ground in the buffer area and the grinding area of the functional area and then enter the discharging area, and therefore grinding processing of the materials is completed, grinding efficiency is high, and the quality of finished products is good; because outer roller sets up to the round platform type to cooperation functional area's setting, when making the assurance to grind output, reduce interior roller rotational speed, thereby make the temperature of interior roller and outer roller keep low temperature, do not hinder the powder, thereby guarantee the off-the-shelf quality of material.

Description

Grinding device and multifunctional flour-milling machine

Technical Field

The utility model relates to a tiny particle or fine powder grinding device, concretely relates to grinder and multi-functional flour-milling machine.

Background

Grinding equipment has a long history, and a stone mill is common in the early stage, and the stone mill is used for grinding particles through an upper grinding disc and a lower grinding disc, is usually used for grinding surfaces or sesame oil, but has long grinding time and low efficiency. The modern steel mill adopts double rollers and high rotating speed to extrude particles into powder, but the temperature is higher in the grinding process, so that the quality of the powder is easily influenced, and the edible taste of the product is influenced.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model provides a grinder and multi-functional flour-milling machine.

A grinding apparatus characterized by: the roller comprises a circular table type inner roller, an outer roller is sleeved on the inner roller, and the inner wall of the outer roller is attached to the outer wall of the inner roller and is in running fit with the outer wall of the inner roller; a plurality of functional areas are distributed on the outer wall of the inner roller along the circumference of the inner roller, and each functional area comprises a feeding area, a buffer area, a grinding area and a discharging area which are sequentially arranged along the outer circumference of the inner roller;

the feeding area and the discharging area are of strip-shaped groove structures, the buffer area and the grinding area are of strip-shaped cambered surfaces, and the feeding area, the buffer area, the grinding area and the discharging area are wound on the inner roller along the same direction; the outer end of the feeding area is positioned on the end surface of the small end of the inner roller, and the inner end of the feeding area is close to the end surface of the large end of the inner roller; the outer end of the discharging area is positioned on the end surface of the large head end of the inner roller, and the inner end of the discharging area is close to the end surface of the small head end of the inner roller;

the two ends of the buffer area and the grinding area are both positioned between the end surface of the large head end and the end surface of the small head end of the inner roller, the gap between the buffer area and the outer roller is larger than the gap between the grinding area and the outer roller, and the gaps between the buffer area and the grinding area and the inner roller are gradually reduced from the feeding area to the discharging area;

and grinding grains are arranged on the inner wall of the outer roller and on the buffer zone and the grinding zone.

The working principle of the grinding device is as follows: the material that will wait to grind adds on the tip end face of interior roller, interior roller rotates back material and gets into between interior roller and the outer roller from the feeding zone, and interior roller rotates the direction and is the direction of ejection of compact district to feeding zone, and the material gets into the buffer zone from the feeding zone, gets into the grinding zone from the buffer zone again, and the material grinds simultaneously between interior roller and outer roller, and the material gets into the ejection of compact district from the grinding zone after grinding, and the finished product material is followed from the outer end of ejection of compact district the outer roll is fallen out between interior roller and the outer roller.

Further comprises the following steps: the included angle between the outer circumference generating line of interior roller and its axis is 45 +/-5 for the material grinds the effect better between interior roller and outer roller.

Further comprises the following steps: the grinding lines on the inner wall of the outer roller and the grinding lines on the buffer area and the grinding area are all obliquely and downwards arranged, and the grinding lines on the inner wall of the outer roller and the grinding lines on the buffer area and the grinding area respectively face to two sides of the outer circumference bus of the inner roller.

A multifunctional flour milling machine is characterized in that: the grinding device comprises at least two grinding devices which are arranged in parallel up and down and are fixed on a fixing frame, an inner roller of each grinding device is fixedly arranged on a rotating shaft, and the rotating shaft is linked with a driving motor; a material channel is arranged between the adjacent grinding devices, and a screen frame is arranged in the material channel; the rotating shaft is rotatably arranged on the fixed frame.

Further comprises the following steps: the rotating shaft is provided with an adjusting mechanism, the adjusting mechanism comprises a fixed plate, the fixed plate is sleeved on the rotating shaft and is in sliding fit with the rotating shaft, and the fixed plate is fixedly connected to the fixed frame; the upper surface of the fixed plate is fixedly connected with a sleeve, the sleeve is sleeved on a rotating shaft, a rotating sleeve is arranged between the sleeve and the rotating shaft, the rotating sleeve is fixedly sleeved on the rotating shaft and is in rotating fit with the rotating shaft, the lower end part of the rotating sleeve is in sliding fit with the sleeve through a sliding key, the upper end part of the rotating sleeve is sleeved with a rotating sleeve and is in threaded fit with the rotating sleeve, the middle part of the rotating sleeve is fixedly sleeved with an adjusting ring, the lower end part of the rotating sleeve is sleeved with a pressure bearing, and the pressure bearing is supported between the rotating sleeve and the rotating sleeve; the grinding devices are all provided with the adjusting mechanisms. Stir the adjustable ring and make the adjustable ring rotate certain angle, the adjustable ring drives rotatory cover and rotates, rotatory cover with change the cover and pass through the height position that screw-thread fit adjustment changes the cover, thereby change the cover and fix the lift that drives the pivot in the pivot, and then the pivot drives the interior roller and goes up and down to the adjustment of clearance between interior roller and the outer roller is realized, the clearance between interior roller and the outer roller is used for grinding the maize when increasing, then is used for grinding the wheat when the clearance is adjusted.

The utility model has the advantages that: the functional area is arranged on the inner roller, so that materials are rubbed, ground and ground in the buffer area and the grinding area of the functional area and then enter the discharging area, and therefore grinding processing of the materials is completed, grinding efficiency is high, and the quality of finished products is good; because outer roller sets up to the round platform type to cooperation functional area's setting, when making the assurance to grind output, reduce interior roller rotational speed, thereby make the temperature of interior roller and outer roller keep low temperature, do not hinder the powder, thereby guarantee the off-the-shelf quality of material. The flour milling machine has simple structure, high working efficiency and high finished product quality. The adjusting mechanism who sets up is used for adjusting the clearance between interior roller and the outer roller to be adapted to the grinding of different diameters size materials such as maize and wheat, make the machine of grinding have multiple grinding function.

Drawings

FIG. 1 is a schematic front view of the inner roller of the present invention;

FIG. 2 is a schematic top view of the inner roller of the present invention;

FIG. 3 is a schematic bottom view of the inner roller of the present invention;

FIG. 4 is a schematic cross-sectional view of AA in FIG. 1;

FIG. 5 is a schematic view of the test structure of the middle and outer rollers of the present invention;

FIG. 6 is a schematic top view of the middle and outer rollers of the present invention;

fig. 7 is a schematic structural view of the middle flour-milling machine of the present invention;

fig. 8 is a schematic structural diagram of the adjusting mechanism of the present invention.

In the figure, 1, a fixed frame; 2. a rotating shaft; 21. a fixing plate; 211. a sleeve; 212. rotating the sleeve; 213. a sealing plate; 214. a ball bearing; 215. a compression nut; 216. a pressure bearing; 217. an adjusting ring; 218. a rotating sleeve; 219. a housing; 3. an inner roll; 31. a feed zone; 32. a buffer area; 33. a grinding zone; 34. a discharge zone; 4. an outer roller; 5. a screen frame; 6. a drive motor; 7. a material channel.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings. It should be noted that the terms of orientation such as left, middle, right, up and down in the examples of the present invention are only relative to each other or are referred to the normal use status of the product, and should not be considered as limiting.

A grinding device comprises a circular truncated cone-shaped inner roller 3, an outer roller 4 is sleeved on the inner roller 3, and the inner wall of the outer roller 4 is attached to the outer wall of the inner roller 3 and is in running fit with the outer wall of the inner roller 3 as shown in a combined mode in fig. 5 and 6; referring to fig. 1 to 4, a plurality of functional areas are distributed on the outer wall of the inner roller 3 along the circumference thereof, in this embodiment, six functional areas are continuously arranged, and each functional area includes a feeding area 31, a buffer area 32, a grinding area 33 and a discharging area 34 which are sequentially arranged along the outer circumference of the inner roller 3; the feeding zone 31 and the discharging zone 34 are both in a strip groove structure, the buffer zone 32 and the grinding zone 33 are both in a strip arc surface, and the feeding zone 31, the buffer zone 32, the grinding zone 33 and the discharging zone 34 are wound on the inner roller 3 along the same direction; the outer end of the feeding area 31 is positioned on the end surface of the small end of the inner roller 3, and the inner end of the feeding area 31 is close to the end surface of the large end of the inner roller 3; the outer end of the discharging area 34 is positioned on the end surface of the big head end of the inner roller 3, and the inner end of the discharging area 34 is close to the end surface of the small head end of the inner roller 3; the two ends of the buffer zone 32 and the grinding zone 33 are both positioned between the large end face and the small end face of the inner roller 3, the gap between the buffer zone 32 and the outer roller 4 is larger than the gap between the grinding zone 33 and the outer roller 4, and the gaps between the buffer zone 32 and the grinding zone 33 and the inner roller 3 are gradually reduced from the direction from the feeding zone 31 to the discharging zone 34; grinding grains are arranged on the inner wall of the outer roller 4 and the buffer area 32 and the grinding area 33.

Wherein, the outer circumference generating line of interior roller 3 is 45 +/-5 rather than the contained angle between the axis, the grinding line on the inner wall of outer roller 4 reaches the equal slope of grinding line on buffer 32 and the grinding district 33 sets up downwards, the grinding line on the inner wall of outer roller 4 reaches grinding line on buffer 32 and the grinding district 33 respectively towards the both sides of the outer circumference generating line of interior roller 4.

The working principle of the grinding device is as follows: the material that will wait to grind adds on the tip end face of interior roller, interior roller rotates back material and gets into between interior roller and the outer roller from the feeding zone, and interior roller rotates the direction and is the direction of ejection of compact district to feeding zone, and the material gets into the buffer zone from the feeding zone, gets into the grinding zone from the buffer zone again, and the material grinds simultaneously between interior roller and outer roller, and the material gets into the ejection of compact district from the grinding zone after grinding, and the finished product material is followed from the outer end of ejection of compact district the outer roll is fallen out between interior roller and the outer roller. Wherein, interior roller stub end is up for area of contact between interior roller and the outer roller is from last to increasing gradually down, and the material of being convenient for disperses and grinds between interior roller and the outer roller.

A first embodiment of a multi-functional flour milling machine: referring to fig. 7, the grinding device is included, at least two grinding devices arranged in parallel up and down are fixed on a fixing frame 1, an inner roller 3 of each grinding device is fixedly installed on a rotating shaft 2, and the rotating shaft 2 is linked with a driving motor 6; a material channel 7 is arranged between the adjacent grinding devices, and a screen frame 5 is arranged in the material channel 7; the rotating shaft 2 is rotatably arranged on the fixed frame 1.

The working principle of the multifunctional flour milling machine is as follows: the material is ground and sieved for many times through the grinding device, and the inner roller is driven by the driving motor to rotate. In addition, when the rotating shaft is arranged on the fixing frame, the gap between the inner roller and the outer roller is adjusted and fixed, so that the grinding device is suitable for grinding materials with different diameters.

A second embodiment of the multifunctional flour-milling machine, other technical characteristics are as the same as the first embodiment: referring to fig. 8, an adjusting mechanism is disposed on the rotating shaft 2, the adjusting mechanism includes a fixing plate 21, the fixing plate 21 is sleeved on the rotating shaft 2 and is in sliding fit with the rotating shaft 2, and the fixing plate 21 is fixedly connected to the fixing frame 1; a sleeve 211 is fixedly connected to the upper surface of the fixed plate 21, the sleeve 211 is sleeved on the rotating shaft 2, a rotating sleeve 212 is arranged between the sleeve 211 and the rotating shaft 2, the rotating sleeve 212 is fixedly sleeved on the rotating shaft 2 and is in rotating fit with the rotating shaft 2, specifically, a ball bearing 214 is fixedly installed between the rotating sleeve 212 and the rotating shaft 2, a partition plate is fixedly connected to a position in the rotating sleeve 212, which is attached to the lower part of the ball bearing 214, a gland nut 215 is fixedly screwed to a position in the rotating shaft 2, which is attached to the upper part of the ball bearing 214, and a sealing plate 213 is fixedly arranged on an upper end port of the rotating sleeve 212; the lower end part of the rotating sleeve 212 is in sliding fit with the sleeve 211 through a sliding key, specifically, one side of the sliding key is embedded on the inner wall of the sleeve, and the other side of the sliding key is arranged in a sliding groove formed in the rotating sleeve in a sliding manner; a rotating sleeve 218 is sleeved at the upper end part of the rotating sleeve 212 and is in threaded fit with the rotating sleeve 218, an adjusting ring 217 is fixedly sleeved at the middle part of the rotating sleeve 218, the adjusting ring 217 is an external gear ring, a pressure bearing 216 is sleeved at the lower end part of the rotating sleeve 218, and the pressure bearing 216 is supported between the rotating sleeve 212 and the rotating sleeve 218; the grinding devices are provided with the adjusting mechanisms; the adjusting mechanism is provided with a shell 219, the shell 219 is fixedly connected to the fixing plate 21, the sleeve 211, the rotating sleeve 212 and the adjusting ring 217 are all located in the shell 219, an adjusting opening is formed in the shell 219 corresponding to the adjusting ring 217, and the adjusting ring is shifted at the adjusting opening; the rotating shaft 2 penetrates through the shell 219 and is in clearance fit with the shell 219. In addition, the inner roller can be arranged to be a hollow structure, and the self weight of the inner roller is reduced.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A grinding apparatus characterized by: the roller comprises a circular table type inner roller, an outer roller is sleeved on the inner roller, and the inner wall of the outer roller is attached to the outer wall of the inner roller and is in running fit with the outer wall of the inner roller; a plurality of functional areas are distributed on the outer wall of the inner roller along the circumference of the inner roller, and each functional area comprises a feeding area, a buffer area, a grinding area and a discharging area which are sequentially arranged along the outer circumference of the inner roller;

2. A grinding apparatus as defined in claim 1, wherein: the included angle between the outer circumference generatrix of the inner roller and the axis thereof is 45 +/-5 degrees.

3. A grinding apparatus as defined in claim 1, wherein: the grinding lines on the inner wall of the outer roller and the grinding lines on the buffer area and the grinding area are all obliquely and downwards arranged, and the grinding lines on the inner wall of the outer roller and the grinding lines on the buffer area and the grinding area respectively face to two sides of the outer circumference bus of the inner roller.

4. A multifunctional flour milling machine is characterized in that: the grinding device comprises the grinding device as claimed in any one of claims 1 to 3, at least two grinding devices which are arranged in parallel up and down are fixed on a fixed frame, an inner roller of each grinding device is fixedly arranged on a rotating shaft, and the rotating shaft is linked with a driving motor; a material channel is arranged between the adjacent grinding devices, and a screen frame is arranged in the material channel; the rotating shaft is rotatably arranged on the fixed frame.

5. A multifunctional flour milling machine according to claim 4, characterized in that: the rotating shaft is provided with an adjusting mechanism, the adjusting mechanism comprises a fixed plate, the fixed plate is sleeved on the rotating shaft and is in sliding fit with the rotating shaft, and the fixed plate is fixedly connected to the fixed frame; the upper surface of the fixed plate is fixedly connected with a sleeve, the sleeve is sleeved on a rotating shaft, a rotating sleeve is arranged between the sleeve and the rotating shaft, the rotating sleeve is fixedly sleeved on the rotating shaft and is in rotating fit with the rotating shaft, the lower end part of the rotating sleeve is in sliding fit with the sleeve, the upper end part of the rotating sleeve is sleeved with a rotating sleeve and is in threaded fit with the rotating sleeve, the middle part of the rotating sleeve is fixedly sleeved with an adjusting ring, the lower end part of the rotating sleeve is sleeved with a pressure bearing, and the pressure bearing is supported between the rotating sleeve and the rotating sleeve; the grinding devices are all provided with the adjusting mechanisms.