CN115487904B

CN115487904B - Corn grinding device

Info

Publication number: CN115487904B
Application number: CN202211453512.4A
Authority: CN
Inventors: 宋晨晨
Original assignee: Zhangqiu Lvchuang Agricultural Technology Co ltd
Current assignee: Zhangqiu Lvchuang Agricultural Technology Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-02-28
Anticipated expiration: 2042-11-21
Also published as: CN115487904A

Abstract

The invention discloses a corn grinding device which comprises a case, wherein a feed hopper is connected to the case, a grinding mechanism is arranged in the case, the grinding mechanism comprises a coarse grinding mechanism and a fine grinding mechanism, the coarse grinding mechanism comprises a grinding wheel and a grinding disc, the grinding wheel is positioned at the upper end of the grinding disc, a first motor is arranged at the upper end of the case, an output shaft of the first motor is connected with a driving shaft, the driving shaft drives the grinding wheel to rotate, the grinding wheel and the driving shaft are in up-and-down sliding fit, a blanking hole is formed in the grinding disc, the fine grinding mechanism is positioned below the blanking hole, a classifying screen is arranged below the fine grinding mechanism, a fine material box is arranged below the classifying screen, an air box is arranged on the side wall of the case, the discharge end of the classifying screen is positioned in the air box, a fan and a cloth bag for collecting corn husks are respectively arranged on two opposite side walls of the air box, and a coarse material box is arranged at the bottom of the air box.

Description

Corn grinding device

Technical Field

The invention relates to the technical field of agricultural equipment, in particular to a corn grinding device.

Background

Corn has high nutritive value, and contains 7 kinds of antisenility agents including calcium, glutathione, vitamin a, magnesium, selenium, vitamin e and fatty acid. Wherein vitamin e has the functions of promoting cell division, delaying aging, preventing skin lesion, and relieving arteriosclerosis and brain function decline; the corn is rich in dietary fiber, can promote intestinal peristalsis and reduce the absorption of toxin by human body, has higher content of nutrients such as magnesium, calcium, carotene and the like than common grains, has the effects of preventing hypertension and eliminating free radicals, and is beneficial to delaying senility.

When processing maize, need carry out broken grinding to maize many times, current grinder structure is broken and is rubbed through the extrusion of relative motion's crushing roller mostly, like the maize grinding rubbing crusher for agricultural production that patent CN208082580U disclosed, smashes and refines the maize through the extrusion between crushing roller and the crushing case to accomplish the grinding to the maize. The crushing force of the corn grinding device on the corn is mainly from a motor, the corn is extruded, crushed and ground by driving the rollers to rotate through the high-power motor, and the energy consumption is large; in addition, the conventional grinding device does not have a function of separating corn husks, and the ground corn flour and the corn husks are mixed together, so that the corn flour and the corn husks need to be manually separated for the second time when the grinding device is used.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the corn grinding device, the coarse grinding mechanism is driven by the motor to rotate and utilizes gravity to grind and grind the corn, so that the energy consumption is saved, the grinding mode is adopted for repeated grinding, the grinding and grinding effects are improved, the air box is arranged to remove the ground corn bran, the convenience of subsequent use is increased, the manpower is saved, and the equipment integrating the functions of coarse grinding, fine grinding, screening and peeling is realized.

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

the utility model provides a corn grinding device, includes quick-witted case, be connected with the feeder hopper on the quick-witted case, the machine incasement is equipped with grinds the mechanism, it includes corase grind mechanism and fine grinding mechanism to grind the mechanism, corase grind mechanism includes grinding miller and abrasive disc, the grinding miller is located the upper end of abrasive disc, the upper end of machine case is equipped with first motor, connect the drive shaft on the output shaft of first motor, the drive shaft drives the grinding miller rotation, upper and lower sliding fit between grinding miller and the drive shaft, be equipped with the blanking hole on the abrasive disc, fine grinding mechanism is located the below in blanking hole, the below of fine grinding mechanism is equipped with the classifying screen net, the below of classifying screen net is equipped with the fine material box, is equipped with bellows on the lateral wall of machine case, the discharge end of classifying screen net is located bellows, be equipped with the fan on the relative both sides wall of bellows respectively and collect the sack of corn bran, the bottom of bellows is equipped with the coarse material box.

Preferably, be equipped with the screening sand box on the lateral wall of machine case, screening sand box and quick-witted incasement intercommunication, the slope is equipped with the screening sand net in the screening sand box, the below of screening sand net is equipped with the sand box, the feeder hopper is connected with the screening sand box.

Preferably, the upper end of abrasive disc is the toper structure of indent, the lower extreme of grinding miller and the upper end cooperation of abrasive disc and be the toper structure of evagination, and the lower terminal surface of grinding miller is equipped with grinds arch and pan feeding groove, a lateral wall in pan feeding groove is the inclined plane, and the up end of abrasive disc is equipped with down and grinds the arch.

Preferably, the upper end of the grinding disc is connected with a receiving hopper, the grinding disc is positioned in the receiving hopper, the lower end of the grinding disc is connected with a blanking hopper, and the lower end of the blanking hopper is connected with a fine grinding mechanism.

Preferably, the upper end of grinding miller is equipped with the pressure disk, the upper end of pressure disk is equipped with the shaft hole, be equipped with the drive groove on the inner wall in shaft hole, be equipped with on the lateral wall of drive shaft with drive groove complex drive sand grip.

Preferably, the upper inner wall of the case is provided with a protective cover sleeved outside the grinding wheel.

Preferably, the outside cover of pressure disk has the gland, normal running fit between pressure disk and the gland, the upper end of gland is connected with the guide bar, the last inner wall of machine case be connected with guide bar sliding fit's guide cylinder, the outside cover of guide cylinder has the spring, the upper end and the quick-witted case of spring are connected, and the lower extreme and the gland of spring are connected.

Preferably, the fine grinding mechanism comprises a fine grinding box and a grinding roller, the fine grinding box is a cylinder box with two closed ends, a feed inlet connected with a blanking hopper is formed in the upper end of the fine grinding box, a discharge outlet is formed in the lower end of the fine grinding box, a guide hopper connected with the fine grinding box is arranged on the outer side of the discharge outlet, the grinding roller is attached to the lower inner wall of the fine grinding box, fine grinding protrusions are formed in the side wall of the grinding roller, and a second motor for driving the grinding roller is arranged on the outer side of the case.

Preferably, the classifying screen is obliquely arranged, a coaming with an opening at one end is arranged at the upper end of the classifying screen, one end of the classifying screen is connected with the inner wall of the case through a rotating shaft, a driving wheel is arranged below the other end of the classifying screen, the side wall of the driving wheel is connected with the classifying screen through a connecting rod, and the driving wheel is connected with a second motor through a transmission shaft.

Preferably, a leather outlet is formed in the side wall of the air box, a slot is formed in the side wall of the leather outlet, the bag opening of the cloth bag is connected through a bag opening frame, the bag opening frame is an opening frame, and an inserting block matched with the slot is formed in the side wall of the bag opening frame.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the coarse grinding mechanism, the corn is crushed and ground by gravity through the rotation driven by the motor, so that the energy consumption is saved, the corn is repeatedly ground in a rolling mode, the crushing and grinding effects are improved, the corn grains are finely ground through the matching of fine grinding and coarse grinding, the ground corn flour is screened and classified by the aid of the classifying screen, the ground corn husks are removed by the aid of the air boxes, the convenience of subsequent use is improved, manpower is saved, and the device integrating functions of coarse grinding, fine grinding, screening and peeling is realized.

2. The upper end of the grinding disc adopts a concave structure, so that the corn can be gathered, the corn continuously flows into the lower part of the grinding wheel under the action of gravity, the grinding wheel and the grinding disc adopt the grinding principle of a stone grinding disc, the corn grains are repeatedly ground and rubbed, and the grinding effect is greatly improved.

3. The spring is arranged at the upper end of the grinding wheel to apply downward pressure, so that the downward pressing grinding force of the grinding wheel is increased, and the grinding efficiency is improved.

4. The sand screening box can screen sand in the ground corn grains, so that the corn grains are prevented from being doped with sand, and the product quality is improved.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic structural view of a windbox;

FIG. 5 is a schematic view of the bag-opening frame;

FIG. 6 is a first schematic view of a polishing wheel;

FIG. 7 is a second schematic view of the structure of the grinding wheel;

FIG. 8 is a schematic view of the structure of the polishing disk;

FIG. 9 is a schematic structural view of a fine grinding mechanism;

FIG. 10 is a cross-sectional view of the fine grinding mechanism;

FIG. 11 is a schematic structural view of a classifying screen;

fig. 12 is a schematic view of the construction of the drive shaft.

In the figure: 1-a feed hopper; 2-a case; 201-sand screening box; 202-screening a sand net; 203-sand box; 204-fine material box; 205-a windbox; 206-a coarse material box; 207-driving wheel; 208-a shield; 209-a guide cylinder; 210-a spring; 211-a guide bar; 212-a gland; 213-a skin outlet; 214-slot; 3-a first motor; 301-a drive shaft; 302-driving the ribs; 4-a fan; 5-cloth bag; 501-bag supporting frame; 502-an insert; 6-grinding wheel; 601-pressing a plate; 602-an axial hole; 603-a drive slot; 604-grinding the bumps; 605-feeding groove; 7-a grinding disc; 701-a receiving hopper; 702-a drop hopper; 703-blanking holes; 704-lower grinding bumps; 8-a fine grinding mechanism; 801-fine grinding box; 802-a feed port; 803-a material guide hopper; 804-a discharge hole; 805-grinding rolls; 806-fine grinding the bumps; 9-grading screen mesh; 901-enclosing plates; 902-a connecting rod; 903-a blanking barrel; 10-a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1-2, the main functions of the corn grinding device of the present application include sand screening, coarse grinding, fine grinding, particle size screening after grinding, and corn husk removal.

The structure is explained in detail in connection with the function of the device:

as shown in fig. 3, the structure mainly includes quick-witted case 2, be equipped with sieve sand box 201 on the lateral wall of machine case 2, sieve sand box 201 and quick-witted incasement 2 intercommunication, sieve sand box 201 is interior to be equipped with sieve sand net 202 in the slope, the below of sieve sand net 202 is equipped with sand box 203, be connected with feeder hopper 1 on the sieve sand box and connect, pour the kernel of corn into feeder hopper 1 in, the maize flows into quick-witted case 2 along sieve sand net, the export of feeder hopper 1 adopts flat structure, make the kernel of corn can the individual layer from sieve sand net upper sliding, at the in-process that slides into quick-witted case 2, the kernel of corn in the doped sand falls into the sand box 203 of below and collects. This leaves the final ground corn flour free of sand particles.

As shown in fig. 3 and 6-8, a grinding mechanism is disposed in the chassis 2, the grinding mechanism includes a coarse grinding mechanism and a fine grinding mechanism 8, the coarse grinding mechanism includes a grinding wheel 6 and a grinding disk 7, the grinding wheel 6 is located at the upper end of the grinding disk 7, the upper end of the chassis 2 is provided with a first motor 3, an output shaft of the first motor 3 is connected with a driving shaft 301, the driving shaft 301 drives the grinding wheel 6 to rotate, the grinding wheel 6 and the driving shaft 301 are in up-and-down sliding fit, the grinding disk 7 is provided with a blanking hole 703, in order to gather corn grains, the upper end of the grinding disk 7 is designed to be an inward-concave conical structure, the upper end face of the grinding disk 7 is provided with a downward grinding protrusion 704, the lower end of the grinding wheel 6 is matched with the upper end of the grinding disk 7 and is in an outward-convex conical structure, the lower end face of the grinding wheel 6 is provided with an upward grinding protrusion 604 and a feeding groove, corn grains can enter the feeding groove 605, a side wall of the feeding groove 605 is an inclined surface, and corn grains can enter the lower end of the grinding wheel 6 under rotation of the grinding wheel 6, i.e., the grinding wheel 6 can move upward along the grinding wheel 301 and rotate above the driving shaft from above the driving shaft.

Through utilizing the weight of grinding miller 6 to carry out the breakage to the kernel of corn, in order to ensure the grinding effect, the weight of grinding miller 6 is not less than 500kg, adopts steel material, and weight is big, and is small, and the motor only need provide grinding miller 6 revolving force to the energy has been saved. The grinding wheel 6 and the grinding disc 7 are similar to the grinding of a graphite grinding disc, and the corn grains are gradually ground by using gravity and friction force between the grinding wheel 6 and the grinding disc 7, so that the purposes of crushing and grinding are achieved.

In order to realize that the grinding wheel 6 can rotate and move up and down, a pressure plate 601 is arranged at the upper end of the grinding wheel 6, a shaft hole 602 is arranged at the upper end of the pressure plate 601, a driving groove 603 is arranged on the inner wall of the shaft hole 602, and as shown in fig. 12, a driving convex strip 302 matched with the driving groove 603 is arranged on the side wall of the driving shaft 301.

In order to further increase the downward pressing grinding force, a pressing cover 212 is sleeved on the outer side of the pressing plate 601, the pressing plate 601 is in rotating fit with the pressing cover 212, the upper end of the pressing cover 212 is connected with a guide rod 211, the upper inner wall of the case 2 is connected with a guide cylinder 209 in sliding fit with the guide rod 211, a spring 210 is sleeved on the outer side of the guide cylinder 209, the upper end of the spring 210 is connected with the case 2, the lower end of the spring 210 is connected with the pressing cover 212, and downward pressing force is applied to the grinding wheel 6 through the spring 210 to increase the grinding force.

The upper inner wall of the case 2 is provided with a shield 208 which is sleeved outside the grinding wheel 6 and can shield and protect the spring 210.

The upper end of the grinding disk 7 is connected with a receiving hopper 701, corn kernels can be collected, the grinding disk 7 is positioned in the receiving hopper 701, the lower end of the grinding disk 7 is connected with a blanking hopper 702, and the lower end of the blanking hopper 702 is connected with a fine grinding mechanism 8.

As shown in fig. 9-10, the fine grinding mechanism 8 includes a fine grinding box 801 and a grinding roller 805, the fine grinding box 801 is a cylindrical box with two closed ends, a feeding port 802 connected to the blanking hopper 702 is provided at the upper end of the fine grinding box 801, a discharging port 804 is provided at the lower end of the fine grinding box 801, a material guiding hopper 803 connected to the fine grinding box 801 is provided at the outer side of the discharging port 804, the grinding roller 805 is attached to the lower inner wall of the fine grinding box 801, a fine grinding protrusion 806 is provided on the side wall of the grinding roller 805, a second motor 10 for driving the grinding roller 805 is provided at the outer side of the housing 2, the ground corn particles are further ground and pulverized by the grinding roller 805 and the fine grinding box 801, and the pulverized corn particles fall into the lower classifying screen 9.

As shown in fig. 11, the classifying screen 9 is obliquely arranged, a surrounding plate 901 with an open end is arranged at the upper end of the classifying screen 9, one end of the classifying screen 9 is connected with the inner wall of the chassis 2 through a rotating shaft, a driving wheel 207 is arranged below the other end of the classifying screen 9, the side wall of the driving wheel 207 is connected with the classifying screen 9 through a connecting rod 902, wherein a driving gear is arranged on the output shaft of the second motor 10, a driven gear is arranged on the rotating shaft of the driving wheel 207, and the driving gear and the driven gear are in gear transmission through a transmission shaft to realize power transmission. Therefore, under the driving of the second motor 10, the driving wheel 207 rotates to drive one end of the classifying screen 9 to move up and down through the connecting rod 902, so as to realize the swing of the classifying screen 9, thereby realizing the sieving of the corn particles, the fine material box 204 is arranged below the classifying screen 9, the lower end of the classifying screen 9 is provided with the blanking barrel 903, the blanking is guided, the corn particles and the corn husks with larger particle size are left on the classifying screen 9, the side wall of the case 2 is provided with the air box 205, the discharging end of the classifying screen 9 is positioned in the air box 205, and the corn particles and the corn husks with larger particle size fall into the air box 205 along the classifying screen 9.

As shown in fig. 4-5, a fan 4 and a cloth bag 5 for collecting corn husks are respectively disposed on two opposite side walls of the air box 205, a coarse material box 206 is disposed at the bottom of the air box 205, the ground corn husks are blown into the cloth bag 5 under the action of wind force and collected, and the ground corn grains with larger grain size fall into the coarse material box 206 and are collected.

In order to realize the detachability of the cloth bag 5, the side wall of the air box 205 is provided with the leather outlet 213, the side wall of the leather outlet 213 is provided with the slot 214, the bag opening of the cloth bag 5 is connected through the bag opening frame 501, the bag opening frame 501 is an opening frame, the structure is similar to a C-shaped structure, the side wall of the bag opening frame 501 is provided with the insertion block 502 matched with the slot 214, and the bag opening frame 501 is directly inserted into the leather outlet 213, so that the cloth bag 5 is convenient to disassemble and pull.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a corn grinder, includes quick-witted case, be connected with the feeder hopper on the quick-witted case, the quick-witted incasement is equipped with grinding mechanism, its characterized in that: the grinding mechanism comprises a coarse grinding mechanism and a fine grinding mechanism, the coarse grinding mechanism comprises a grinding wheel and a grinding disc, the grinding wheel is positioned at the upper end of the grinding disc, a first motor is arranged at the upper end of the case, a driving shaft is connected to an output shaft of the first motor, the driving shaft drives the grinding wheel to rotate, the grinding wheel and the driving shaft are in up-and-down sliding fit, a blanking hole is formed in the grinding disc, the fine grinding mechanism is positioned below the blanking hole, a classifying screen is arranged below the fine grinding mechanism, a fine material box is arranged below the classifying screen, an air box is arranged on the side wall of the case, the discharge end of the classifying screen is positioned in the air box, a fan and a cloth bag for collecting corn husks are respectively arranged on two opposite side walls of the air box, and a coarse material box is arranged at the bottom of the air box; the upper end of the grinding disc is of an inwards concave conical structure, the lower end of the grinding wheel is matched with the upper end of the grinding disc and is of an outwards convex conical structure, an upper grinding bulge and a feeding groove are arranged on the lower end surface of the grinding wheel, one side wall of the feeding groove is an inclined plane, and a lower grinding bulge is arranged on the upper end surface of the grinding disc; the upper end of the grinding disc is connected with a receiving hopper, the grinding wheel is positioned in the receiving hopper, the lower end of the grinding disc is connected with a blanking hopper, and the lower end of the blanking hopper is connected with a fine grinding mechanism; the fine grinding mechanism comprises a fine grinding box and a grinding roller, the fine grinding box is a cylinder box with two closed ends, a feed inlet connected with a blanking hopper is arranged at the upper end of the fine grinding box, a discharge outlet is arranged at the lower end of the fine grinding box, a guide hopper connected with the fine grinding box is arranged on the outer side of the discharge outlet, the grinding roller is attached to the lower inner wall of the fine grinding box, fine grinding protrusions are arranged on the side wall of the grinding roller, and a second motor for driving the grinding roller is arranged on the outer side of the case.

2. A corn grinder assembly as set forth in claim 1, wherein: the side wall of the case is provided with a sand screening box, the sand screening box is communicated with the inside of the case, a sand screening net is obliquely arranged in the sand screening box, a sand box is arranged below the sand screening net, and the feed hopper is connected with the sand screening box.

3. A corn grinder assembly as set forth in claim 1, wherein: the upper end of grinding miller is equipped with the pressure disk, the upper end of pressure disk is equipped with the shaft hole, be equipped with the drive groove on the inner wall in shaft hole, be equipped with on the lateral wall of drive shaft with drive groove complex drive sand grip.

4. A corn grinder assembly as set forth in claim 1, wherein: the upper inner wall of the case is provided with a protective cover sleeved outside the grinding wheel.

5. A corn grinder assembly as set forth in claim 3, wherein: the outer side cover of pressure disk has the gland, normal running fit between pressure disk and the gland, the upper end of gland is connected with the guide bar, the last inner wall of machine case be connected with guide bar sliding fit's guide cylinder, the outside cover of guide cylinder has the spring, the upper end and the quick-witted case of spring are connected, and the lower extreme and the gland of spring are connected.

6. A corn grinder assembly as set forth in claim 1, wherein: the classifying screen is obliquely arranged, a surrounding plate with an opening at one end is arranged at the upper end of the classifying screen, one end of the classifying screen is connected with the inner wall of the case through a rotating shaft, a driving wheel is arranged below the other end of the classifying screen, the side wall of the driving wheel is connected with the classifying screen through a connecting rod, and the driving wheel is connected with a second motor through a transmission shaft.

7. A corn grinder assembly as set forth in claim 1, wherein: the lateral wall of the air box is provided with a leather outlet, the lateral wall of the leather outlet is provided with a slot, the opening of the cloth bag is connected through a bag opening frame, the bag opening frame is an opening frame, and the lateral wall of the bag opening frame is provided with an insertion block matched with the slot.