CN112570073A

CN112570073A - Milling equipment is used in grain processing

Info

Publication number: CN112570073A
Application number: CN202011485246.4A
Authority: CN
Inventors: 刘豪波; 彭圳; 刘诗洁; 刘青娥
Original assignee: Shaoyang Haofeng Food Co ltd
Current assignee: Shaoyang Haofeng Food Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-03-30

Abstract

The invention discloses a milling device for grain processing, and relates to the technical field of grain processing; in order to solve the problem of grinding efficiency; the grinding device comprises a shell, the top and the bottom outer wall of the shell are respectively provided with a top cover and a bottom cover through bolts, the outer walls of the top cover and the bottom cover are respectively provided with a feeding assembly and a discharging assembly, the side wall of the shell is provided with two sets of height adjusting mechanisms, the inner wall of the shell is provided with a grinding assembly, the grinding assembly comprises a grinding inner core and a grinding outer core, the cross sections of the grinding inner core and the grinding outer core are inverted trapezoids, the slope of the waist of the grinding inner core is larger than the slope of the waist of the grinding outer core, the top outer wall of the grinding inner core is welded with a hemisphere, the top outer wall of the hemisphere is connected with a grinding shaft through a flange, and the top. The invention can meet the process requirement once, avoids repeated filtration and grinding and greatly improves the efficiency.

Description

Milling equipment is used in grain processing

Technical Field

The invention relates to the technical field of grain processing, in particular to a milling device for grain processing.

Background

After grains are collected, the grains need to be ground, the grains are ground into powder through a grinding device, and then the powder can be eaten, processed and the like in the next step, when the grains are ground, the grains need to reach the powder with fixed thickness for use, and the existing grinding device generally needs to be ground, filtered, ground again and filtered again until the requirements are met, and the steps are complex.

Through retrieval, chinese patent publication No. CN110339908A discloses a grain grinding device for agricultural production, which comprises a housing, a grinding shell fixedly connected to the top of the inner wall of the housing, a grinding motor fixedly connected to the top of the housing, a grinding rotating shaft fixedly connected to the output shaft of the grinding motor, and a bottom end of the grinding rotating shaft penetrating through the housing and extending to the inside of the grinding shell.

The above patents suffer from the following disadvantages: although it is filtered again after through triple grinding of grinding ball, lapping plate and grinding miller, its grain homoenergetic after also can't guaranteeing triple grinding can pass through the filter screen, and the grain that does not pass through the filter screen still will carry out the collection grinding on next step, and is comparatively troublesome.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a grain processing milling device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a milling equipment for grain processing, includes the casing, the top of casing and bottom outer wall are fixed with top cap and bottom through the bolt respectively, the outer wall of top cap and bottom is provided with feeding subassembly and ejection of compact subassembly respectively, and the lateral wall of casing is provided with two sets of height control mechanism, the inner wall of casing is provided with grinding assembly, grinding assembly is including grinding the inner core and grinding outer core, the cross-section of grinding the inner core and grinding outer core is down trapezoidal, just the slope of the waist of grinding the inner core is greater than the slope of the waist of grinding outer core, the top outer wall welding of grinding the inner core has the hemisphere, and the top outer wall of hemisphere has the grinding shaft through flange joint, and the top outer wall of grinding shaft has the motor through coupling joint, and the casing of motor passes through the bolt fastening on the top outer.

Preferably: and an annular plate is fixed on the outer wall of the top of the grinding outer core through a bolt.

Further: the section of the annular plate is triangular.

On the basis of the scheme: the outer wall of the bottom of the grinding outer core is fixed with two sleeves through bolts, the inner walls of the sleeves are connected with adjusting bolts in a sliding mode, and the adjusting bolts are connected to the inner wall of the bottom cover through threads.

The better scheme in the scheme is as follows: and springs are arranged at the top of the adjusting bolt and the bottom of the grinding outer core.

As a further scheme of the invention: the feeding assembly comprises an outer sleeve ring and an inner sleeve ring, the inner wall of the top cover is provided with a feeding hole, and the outer sleeve ring and the inner sleeve ring are respectively arranged on the outer walls of the two sides of the top cover, which are positioned at the top of the feeding hole.

Meanwhile, the inner wall of one side, opposite to the outer sleeve ring and the inner sleeve ring, of the outer sleeve ring is respectively welded with a second helical blade and a first helical blade.

As a preferable aspect of the present invention: and the outer top walls of the outer sleeve ring and the inner sleeve ring are fixedly provided with a feeding funnel through bolts.

And simultaneously, the ejection of compact subassembly includes ejection of compact casing and scraper blade, grind the bottom outer wall of outer core and pass through the bolt fastening in ejection of compact casing, grind the axis department bottom outer wall of inner core and have the ejection of compact axle through the bolt fastening, the scraper blade welds in the outer wall of ejection of compact axle, the inner wall laminating of scraper blade and ejection of compact casing.

As a more preferable scheme of the invention: height adjusting mechanism includes activity landing leg and fixed leg, the locating hole of equidistance is all seted up with fixed leg inner wall to the activity landing leg, and wherein the inner wall cooperation of two locating holes uses the elasticity pin.

The invention has the beneficial effects that:

1. this milling equipment is used in grain processing, the motor drives through grinding shaft and hemisphere and grinds the inner core and rotate, because the hemisphere is down trapezoidal with the cross-section of the outer core of grinding, and the slope of its waist is different, make the distance of grinding the inner core and the outer core of grinding from top to bottom progressively decrease, the rotation of accessible grinding inner core, pulverize grain step by step, on the one hand, it pulverizes step by step and can reduce motor load, on the other hand, its final powder size is decided by the distance at the bottom, can once only reach the technological requirement, avoid repeated filtration grinding, the efficiency is greatly improved.

2. This milling equipment for grain processing because the semi-ring shape of hemisphere, the cross-section triangle-shaped of cooperation annular slab, when grain from the top whereabouts, it can prevent that grain from grinding the top overstock of inner core and grinding outer core, has solved the step of follow-up clearance overstock grain, and is comparatively convenient.

3. This milling equipment for grain processing, through being provided with adjusting bolt, spring and sleeve, on the one hand, can twist adjusting bolt, the upper and lower distance of outer core is ground to elasticity control through the spring, thereby the control grinds the outer core and grinds the grinding distance of inner core, thereby can control the fineness of powder, on the other hand, when mixing harder impurity in the grain, because the flexible effect of spring, grind outer core along with moving down, discharge impurity, carry out overload protection to the device, improve the device life-span.

4. This milling equipment for grain processing, drop into grain from feed hopper, it can be along getting into in the clearance of outer lantern ring and interior lantern ring, and this device is through being provided with helical blade one and helical blade two, its staggered arrangement can give grain whereabouts a horizontal rotation's initial velocity when, thereby it can be according to different positions, shed to the different positions department of grinding the inner core, make the homogeneous ability all around of grinding the inner core grind grain, can prevent to grind the inner core and grind the local wear of outer core seriously, thereby the life-span of core spare part has been improved.

5. This milling equipment for grain processing because grain after the grinding is powdered, easily bonds at the inner wall of ejection of compact casing, is difficult to the clearance, and this device is through being provided with the scraper blade, when grinding inner core rotation during operation, and it can drive the scraper blade through ejection of compact axle and clear up the inner wall of ejection of compact casing, prevents that powdered grain from bonding, has increased the convenience of this device.

Drawings

FIG. 1 is a schematic view of the overall structure of a milling device for grain processing according to the present invention;

FIG. 2 is a schematic view of the overall cross-sectional structure of a milling apparatus for grain processing according to the present invention;

FIG. 3 is a schematic view of a grinding mechanism of the milling device for grain processing according to the present invention;

fig. 4 is a schematic cross-sectional structural view of a feeding assembly of the milling device for grain processing according to the present invention;

fig. 5 is a schematic structural diagram of a discharging assembly of the milling device for grain processing according to the present invention.

In the figure: 1-shell, 2-top cover, 3-feeding component, 4-movable supporting leg, 5-elastic pin, 6-fixed supporting leg, 7-discharging component, 8-bottom cover, 9-height adjusting mechanism, 10-motor, 11-grinding shaft, 12-hemisphere, 13-grinding inner core, 14-grinding outer core, 15-annular plate, 16-adjusting bolt, 17-spring, 18-sleeve, 19-outer collar, 20-feeding funnel, 21-helical blade I, 22-inner collar, 23-feeding hole, 24-helical blade II, 25-discharging shell, 26-discharging shaft and 27-scraper.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

a milling device for grain processing is shown in figure 1 and comprises a shell 1, wherein the outer walls of the top and the bottom of the shell 1 are respectively fixed with a top cover 2 and a bottom cover 8 through bolts, the outer walls of the top cover 2 and the bottom cover 8 are respectively provided with a feeding component 3 and a discharging component 7, the side wall of the shell 1 is provided with two groups of height adjusting mechanisms 9, the inner wall of the shell 1 is provided with a grinding assembly, the grinding assembly comprises a grinding inner core 13 and a grinding outer core 14, the sections of the grinding inner core 13 and the grinding outer core 14 are both in an inverted trapezoid shape, the slope of the waist of the grinding inner core 13 is greater than that of the waist of the grinding outer core 14, a hemisphere 12 is welded on the outer wall of the top of the grinding inner core 13, the outer wall of the top of the hemisphere 12 is connected with a grinding shaft 11 through a flange, the outer wall of the top of the grinding shaft 11 is connected with a motor 10 through a coupler, and a shell of the motor 10 is fixed on the outer wall of the top cover 2 through bolts; when using, pour grain into through feeding subassembly 3, start motor 10 afterwards, motor 10 drives through grinding shaft 11 and hemisphere 12 and grinds inner core 13 and rotate, because hemisphere 12 is the trapezoidal that falls with the cross-section of grinding outer core 14, and the slope of its waist is different, make the distance of grinding inner core 13 and grinding outer core 14 from top to bottom decrease progressively step by step, accessible grinds the rotation of inner core 13, pulverize grain step by step, on the one hand, it pulverizes step by step and can reduce motor 10 load, on the other hand, its final powder size is decided by the distance at the bottom, can once only reach the technological requirement, avoid repeated filtration grinding, efficiency is greatly improved.

In order to solve the residue problem; as shown in fig. 2, the outer wall of the top of the grinding outer core 14 is fixed with an annular plate 15 through bolts, the section of the annular plate 15 is triangular, and the semi-annular shape of the hemisphere 12 is matched with the triangular section of the annular plate 15, so that when grains fall from the top, the grains can be prevented from being overstocked at the tops of the grinding inner core 13 and the grinding outer core 14, the problem of subsequent steps of cleaning the overstocked grains is solved, and the grinding device is convenient and fast.

In order to solve the problem of regulation control; as shown in fig. 3, two sleeves 18 are fixed on the outer wall of the bottom of the grinding outer core 14 through bolts, an adjusting bolt 16 is slidably connected to the inner wall of the sleeve 18, the adjusting bolt 16 is connected to the inner wall of the bottom cover 8 through threads, and a spring 17 is arranged at the top of the adjusting bolt 16 and the bottom of the grinding outer core 14.

In order to solve the feeding problem; as shown in fig. 1 and 4, the feeding assembly 3 includes an outer collar 19 and an inner collar 22, a feeding port 23 is formed in an inner wall of the top cover 2, the outer collar 19 and the inner collar 22 are respectively disposed on outer walls of two sides of the top of the feeding port 23 of the top cover 2, a helical blade two 24 and a helical blade one 21 are respectively welded to inner walls of one side of the outer collar 19 opposite to the inner collar 22, and a feeding funnel 20 is fixed to outer walls of tops of the outer collar 19 and the inner collar 22 through bolts; drop into grain from feed hopper 20 in, it can be along getting into in the clearance of outer collar 19 and interior lantern ring 22, and this device is through being provided with helical blade one 21 and helical blade two 24, its staggered arrangement can give grain whereabouts a horizontal rotatory initial velocity, thereby it can be according to different positions, shed to the different positions department of grinding inner core 13, make the grinding inner core 13 all around the homoenergetic even grind grain, can prevent to grind inner core 13 and grind the local wear of outer core 14 seriously, thereby the life-span of core spare part has been improved.

In order to solve the discharging problem; as shown in fig. 5, the discharging assembly 7 includes a discharging shell 25 and a scraper 27, the outer wall of the bottom of the grinding outer core 14 is fixed to the discharging shell 25 through bolts, a discharging shaft 26 is fixed to the outer wall of the bottom of the axis of the grinding inner core 13 through bolts, the scraper 27 is welded to the outer wall of the discharging shaft 26, and the scraper 27 is attached to the inner wall of the discharging shell 25; because the grain after the grinding is powdered, easily bonds at ejection of compact casing 25's inner wall, is difficult to the clearance, and this device is through being provided with scraper blade 27, when grinding inner core 13 rotation during operation, and it can drive scraper blade 27 through ejection of compact axle 26 and clear up ejection of compact casing 25's inner wall, prevents that powdered grain from bonding, has increased the convenience of this device.

In order to solve the height adjustment problem, as shown in fig. 1, the height adjustment mechanism 9 includes a movable leg 4 and a fixed leg 6, the inner walls of the movable leg 4 and the fixed leg 6 are both provided with positioning holes with equal distance, wherein the inner walls of the two positioning holes are matched with each other by using an elastic pin 5; when the height adjustment is needed, the elastic pin 5 is pulled out, and the height adjustment can be completed by inserting the elastic pin 5 along a pair of aligned positioning holes after the height of the device is adjusted.

In the embodiment, when the grain grinder is used, grain is put into the feeding funnel 20 and enters the gap between the outer sleeve ring 19 and the inner sleeve ring 22, the first helical blades 21 and the second helical blades 24 are arranged in the grain grinder, the grain grinder can give a transversely rotating initial speed when falling, so that the grain grinder can be thrown to different positions of the grinding inner core 13 according to different positions, then the motor 10 is started, the motor 10 drives the grinding inner core 13 to rotate through the grinding shaft 11 and the hemispheroid 12, because the cross sections of the hemispheroid 12 and the grinding outer core 14 are in an inverted trapezoid shape and the slopes of the waist are different, the distance between the grinding inner core 13 and the grinding outer core 14 is gradually reduced from top to bottom, and the grain can be ground step by step through the rotation of the grinding inner core 13.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The grain milling device for processing the grains comprises a shell (1) and is characterized in that a top cover (2) and a bottom cover (8) are fixed on the top and the bottom outer wall of the shell (1) through bolts respectively, the outer walls of the top cover (2) and the bottom cover (8) are provided with a feeding assembly (3) and a discharging assembly (7) respectively, the side wall of the shell (1) is provided with two groups of height adjusting mechanisms (9), the inner wall of the shell (1) is provided with a grinding assembly, the grinding assembly comprises a grinding inner core (13) and a grinding outer core (14), the cross sections of the grinding inner core (13) and the grinding outer core (14) are in an inverted trapezoid shape, the slope of the waist of the grinding inner core (13) is larger than that of the grinding outer core (14), the top outer wall of the grinding inner core (13) is welded with a hemisphere (12), the top outer wall of the hemisphere (12) is connected with a grinding shaft (11, the outer wall of the top of the grinding shaft (11) is connected with a motor (10) through a coupler, and a shell of the motor (10) is fixed on the outer wall of the top cover (2) through bolts.

2. The milling apparatus as claimed in claim 1, characterised in that the top outer wall of the outer grinding core (14) is bolted to an annular plate (15).

3. A milling apparatus as claimed in claim 2, characterised in that the annular plate (15) is triangular in cross-section.

4. The milling apparatus as claimed in claim 1, characterised in that two sleeves (18) are bolted to the bottom outer wall of the outer grinding core (14), that an adjusting bolt (16) is slidably connected to the inner wall of the sleeves (18), and that the adjusting bolt (16) is screwed to the inner wall of the bottom cover (8).

5. The milling apparatus as claimed in claim 4, characterised in that springs (17) are provided at the top of the adjusting screw (16) and at the bottom of the grinding outer core (14).

6. The grain processing milling device according to claim 1, characterized in that the feeding assembly (3) comprises an outer collar (19) and an inner collar (22), the inner wall of the top cover (2) is provided with a feeding hole (23), and the outer collar (19) and the inner collar (22) are respectively arranged on the outer walls of the two sides of the top cover (2) at the top of the feeding hole (23).

7. The grain processing milling apparatus as claimed in claim 6, characterized in that the inner wall of the outer collar (19) opposite to the inner collar (22) is welded with a second helical blade (24) and a first helical blade (21), respectively.

8. A mill apparatus as claimed in claim 7, characterised in that the outer collar (19) and the inner collar (22) are bolted to the top outer wall of the feed hopper (20).

9. The milling device for grain processing as claimed in claim 1, characterized in that the discharging assembly (7) comprises a discharging shell (25) and a scraper (27), the outer wall of the bottom of the grinding outer core (14) is fixed on the discharging shell (25) through bolts, the outer wall of the bottom of the axis of the grinding inner core (13) is fixed with a discharging shaft (26) through bolts, the scraper (27) is welded on the outer wall of the discharging shaft (26), and the scraper (27) is attached to the inner wall of the discharging shell (25).

10. The milling device for grain processing as claimed in claim 1, characterized in that the height adjustment mechanism (9) comprises a movable leg (4) and a fixed leg (6), the inner walls of the movable leg (4) and the fixed leg (6) are provided with positioning holes with equal distance, wherein the inner walls of the two positioning holes are matched with each other by an elastic pin (5).