CN215312716U

CN215312716U - Multistage grinder is used in corn starch processing

Info

Publication number: CN215312716U
Application number: CN202121640880.0U
Authority: CN
Inventors: 毋鸿江; 刘晓鹏; 李彤
Original assignee: Hierand Biotech Co ltd
Current assignee: Hierand Biotech Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-12-28
Anticipated expiration: 2031-07-19

Abstract

The utility model particularly relates to a multistage grinding device for corn starch processing, belongs to the technical field of corn deep processing, and aims to provide a multistage grinding device with high grinding efficiency, which adopts the following scheme: the feeding hopper is connected to the primary grinding box, a driving roller and a driven roller for grinding corn are installed in the primary grinding box, a filter screen which is obliquely arranged is installed in the primary grinding box, a communication port at the lower end of the filter screen is communicated with the secondary grinding box, the grinding cone arranged in the secondary grinding box rotates to be matched with the secondary grinding box for secondary grinding of corn, a discharge port of the secondary grinding box and a discharge port at the lower part of the filter screen are communicated with the grinding box, a grinding cylinder in the grinding box rotates to rotate and a lower grinding disc is used for grinding corn, the lower grinding disc is provided with a blanking port, and the blanking port is communicated with the collecting box; the utility model accelerates the grinding speed of the corn starch and improves the processing quality of the corn starch.

Description

Multistage grinder is used in corn starch processing

Technical Field

The utility model belongs to the technical field of corn deep processing, and particularly relates to a multistage grinding device for corn starch processing.

Background

The grains can provide necessary nutrient substances for human beings, most grains need to be processed into flour food materials after being collected, such as corn grains and the like, and a special grinding device is needed. In the process of processing corn starch, grinding is an important process, corn kernels are ground by means of relative rotation of two sand trays in the prior art, the problem of incomplete grinding is solved, the grinding efficiency is low, and the whole processing process efficiency of the corn starch is low.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects in the prior art, and provides the multistage grinding device for processing the corn starch, which is used for carrying out multistage grinding on corn kernels, accelerating the grinding speed of the corn starch and improving the processing quality of the corn starch.

In order to solve the technical problems, the utility model adopts the technical scheme that: a multi-stage grinding device for corn starch processing, comprising: the corn grinding machine comprises a support frame, a primary grinding box, a feeding hopper, a driving roller, a driven roller, a filter screen, a communicating port, a secondary grinding box, a grinding cone, a grinding box, a grinding cylinder, a lower grinding disc, a blanking port, a collecting box and a transmission mechanism, wherein the primary grinding box is fixed on the support frame, the feeding hopper is connected above the primary grinding box, the driving roller and the driven roller which are axially and horizontally arranged are installed in the primary grinding box, the driving roller and the driven roller are matched and used for grinding corn, the filter screen which is obliquely arranged is installed in the primary grinding box below the driving roller and the driven roller, the communicating port is arranged at the lower end of the filter screen, the communicating port is communicated with the secondary grinding box, and corn grains which pass through the primary grinding box and cannot pass through the filter screen are close to the secondary grinding box through the communicating port, the corn secondary grinding device is characterized in that the grinding cone is horizontally arranged in the secondary grinding box in an axial direction, the rotation of the grinding cone is matched with the secondary grinding box to be used for secondary grinding of corn, the discharge port of the secondary grinding box and the discharge port at the lower part of the filter screen of the primary grinding box are both communicated with the grinding box, the grinding cylinder which is vertically arranged in the axial direction is installed in the grinding box, the grinding cylinder adopts a conical cylinder body with the lower end of a spherical crown structure, the lower grinding disc is arranged below the grinding cylinder in a matched manner, the rotation of the grinding cylinder and the lower grinding disc are used for grinding corn, the grinding cylinder is designed into a conical structure to facilitate the corn grains to slide down to a gap between the grinding cylinder and the lower grinding disc along the inclined conical surface of the grinding cylinder, the lower grinding disc is fixed with the grinding box, and the blanking port is arranged at the position, opposite to the axial center of the lower grinding disc and the grinding cylinder, the blanking port is communicated with the collecting box used for collecting the ground corn starch, and the transmission mechanism is used for controlling the rotation of the driving roller, the driven roller, the grinding cone and the grinding cylinder.

This device is through setting up tertiary grinder, the one-level grinds the case, the second grade grinds the case and mills the case, can grind the maize thoroughly and smash, and set up the filter screen in one-level grinds case below, grind the maize batch processing after the case grinds the one-level, the less filter screen that passes of granularity directly gets into the case that grinds, the great entering second grade that keeps apart to the filter screen top of granularity grinds the case and carries out the secondary grinding, at last grinding through grinding the case reaches the requirement, the grinding efficiency is improved, and the grinding quality is improved.

The filter screen adopts the structure of the type of falling V that inclines to both sides, the both sides of one-level grinding case be provided with the filter screen both sides least significant end one-to-one complex two the intercommunication mouth, intercommunication mouth punishment do not is provided with the second grade grinding case rather than the intercommunication.

And material conveying boxes are arranged between the communication port and the secondary grinding box communicated with the communication port, and helical blades for pushing the corns into the corresponding secondary grinding boxes are arranged in the material conveying boxes.

The transmission mechanism includes: a motor, a driving rotating shaft, a driving gear, a linkage shaft, a driven gear, a gear box and a rolling shaft, wherein the driving rotating shaft is coaxially fixed with the driving roller, the linkage shaft is coaxially fixed with the driven roller, the driving rotating shaft is coaxially fixed with an output shaft of the motor fixed outside the primary grinding box, the driving gear is coaxially arranged on the driving rotating shaft, the driven gear is coaxially arranged on the linkage shaft, the driving gear is meshed with the driven gear, the driving rotating shaft and the linkage shaft are connected with the primary grinding box through bearings, one end of the driving rotating shaft, which is far away from the motor, is connected with the input end of the gear box, the output end of the gear box is connected with the rolling shaft, the gear box is relative the support frame is fixed, roll the axle and extend to roll the incasement with roll a coaxial fixed.

All install the driven shaft that the level set up in the defeated workbin, the driven shaft with the initiative pivot is parallel, helical blade matches and installs in corresponding on the driven shaft, the driven shaft with the corresponding side the initiative pivot or the universal driving shaft passes through belt pulley and belt transmission and connects, on the defeated workbin the driven shaft with defeated workbin matched with the second grade grinding incasement grinding awl coaxial fixation.

The lower part of the filter screen of the first-stage grinding box is provided with a material guide box, a bottom plate of the material guide box adopts an inclined plate, the inclined plate inclines towards the grinding box, the material guide box is used for passing through the ground corn of the first-stage grinding box is smaller in granularity and can penetrate through the corn of the filter screen and directly enters the grinding box, and the corn after being processed is processed by the first-stage grinding box according to the grinding condition, so that the grinding efficiency is improved.

The gear box is internally provided with: the driving bevel gear is coaxially fixed with the driving rotating shaft, the driven bevel gear is coaxially fixed with the rolling shaft, and the driving bevel gear is meshed with the driven bevel gear.

The drive roll with all be fixed with on the driven voller and be spiral helicine sand grip, just the drive roll with during the driven voller relative transmission, the drive roll with on the driven voller sand grip interstitial engagement, the drive roll with it can increase the usable length that the extrusion ground to fix on the driven voller and be spiral helicine sand grip, improves the handling capacity of maize, and is more complicated to the shearing force of maize, is favorable to the grinding of maize to be smashed.

The clearance between the convex strips on the driving roller and the driven roller is not more than 3mm, namely less than the average thickness of the corn kernels.

And a discharge hole is formed in one side of the collecting box.

Compared with the prior art, the utility model has the following beneficial effects.

Firstly, the corn can be thoroughly ground and crushed by designing a three-stage grinding and crushing device, namely a first-stage grinding box, a second-stage grinding box and a grinding box, so that the processing quality of the corn starch is improved.

Secondly, a filter screen is arranged below the primary grinding box, the corn ground by the primary grinding box is processed in batches, the corn with smaller granularity passes through the filter screen and directly enters the grinding box, the corn with larger granularity is isolated to the upper part of the filter screen and enters the secondary grinding box for secondary grinding, and finally the requirement is met by grinding of the grinding box, so that the grinding efficiency is improved.

The filter screen is of an inverted V-shaped structure, the corn materials after primary grinding are ground and crushed through the secondary grinding box, the secondary grinding box adopts the grinding cone to grind, and the corn is ground through different grinding modes, so that the grinding is more thorough.

And fourthly, the spiral raised lines meshed with gaps are fixed on the driving roller and the driven roller of the primary grinding box, so that the available length of extrusion grinding can be increased, the corn treatment capacity is improved, the shearing force to the corn is more complex, and the grinding and crushing of the corn are facilitated.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a front view of a multi-stage milling apparatus for corn starch processing according to the present invention.

FIG. 2 is a schematic front view of the internal structure of the multi-stage grinding apparatus for corn starch processing according to the present invention.

FIG. 3 is a top view of the multi-stage milling apparatus for corn starch processing according to the present invention.

FIG. 4 is a schematic top view showing the internal structure of the multi-stage grinding apparatus for corn starch processing according to the present invention.

FIG. 5 is a schematic view of the internal structure of the primary grinding box of the present invention.

In the figure: the grinding machine comprises a support frame 1, a driven shaft 2, a belt 3, a belt pulley 4, a motor 5, a driving gear 6, a feeding hopper 7, a primary grinding box 8, a driving rotating shaft 9, a gear box 10, a secondary grinding box 11, a material conveying box 12, a material guiding box 13, a grinding box 14, a collecting box 15, a discharging port 16, a spiral blade 17, a filter screen 18, a driving roller 19, a driving bevel gear 20, a driven bevel gear 21, a grinding shaft 22, a grinding cylinder 23, a lower grinding disc 24, a blanking port 25, a grinding cone 26, a driven gear 27, a driven roller 28, a raised line 29, a raised line 30, a communicating port 31 and a linkage shaft 32.

Detailed Description

The following is a further description with reference to specific examples.

A multi-stage grinding device for corn starch processing, comprising: the corn grinding machine comprises a support frame 1, a first-stage grinding box 8, a feeding hopper 7, a driving roller 19, a driven roller 28, a filter screen 18, a communication port 31, a second-stage grinding box 11, a grinding cone 26, a grinding box 14, a grinding cylinder 23, a lower grinding disc 24, a blanking port 25, a collecting box 15 and a transmission mechanism, wherein the first-stage grinding box 8 is fixed on the support frame 1, the feeding hopper 7 is connected above the first-stage grinding box 8, the driving roller 19 and the driven roller 28 which are axially and horizontally arranged are installed in the first-stage grinding box 8, the driving roller 19 and the driven roller 28 are matched for grinding corn, the filter screen 18 which is obliquely arranged is installed in the first-stage grinding box 8 below the driving roller 19 and the driven roller 28, the communication port 31 is arranged at the lower end of the filter screen 18, the communication port 31 is communicated with the second-stage grinding box 11, and corn grains which pass through the first-stage grinding box 8 and cannot pass through the filter screen 18 are close to the second-stage grinding box through the communication port 31 A secondary grinding box 11, wherein the grinding cone 26 is arranged axially and horizontally in the secondary grinding box 11, the grinding cone 26 rotates and is matched with the secondary grinding box 11 for secondary grinding of corn, a discharge port of the secondary grinding box 11 and a discharge port at the lower part of the filter screen 18 of the primary grinding box 8 are both communicated with the grinding box 14, the grinding cylinder 23 is arranged axially and vertically in the grinding box 14, the grinding cylinder 23 is a conical cylinder with a spherical crown structure at the lower end, the lower grinding disc 24 is arranged below the grinding cylinder 23 in a matching manner, the grinding cylinder 23 rotates and the lower grinding disc 24 are used for grinding corn, the grinding cylinder 23 is designed to be conical structure so that corn grains can slide down to a gap between the grinding cylinder 23 and the lower grinding disc 24 along the inclined conical surface of the grinding cylinder 23, and the lower grinding disc 24 is fixed with the grinding box 14, the lower grinding disc 24 and the opposite axial center of the grinding cylinder 23 are provided with a blanking port 25, the blanking port 25 is communicated with the collecting box 15, and the transmission mechanism is used for controlling the rotation of the driving roller 19, the driven roller 28, the grinding cone 26 and the grinding cylinder 23.

The filter screen 18 is of an inverted V-shaped structure inclined towards two sides, two communication ports 31 matched with the lowest ends of the two sides of the filter screen 18 one by one are arranged on two sides of the primary grinding box 8, and the communication ports 31 are respectively provided with a secondary grinding box 11 communicated with the communication ports 31.

A material conveying box 12 is arranged between the communication port 31 and the secondary grinding box 11 communicated with the communication port, and a helical blade 17 for pushing the corns into the corresponding secondary grinding box 11 is arranged in the material conveying box 12.

The transmission mechanism includes: the grinding device comprises a motor 5, a driving rotating shaft 9, a driving gear 6, a linkage shaft 32, a driven gear 27, a gear box 10 and a grinding shaft 22, wherein the driving rotating shaft 9 is coaxially fixed with a driving roller 19, the linkage shaft 32 is coaxially fixed with a driven roller 28, the driving rotating shaft 9 is coaxially fixed with an output shaft of the motor 5 fixed outside a primary grinding box 8, the driving gear 6 is coaxially installed on the driving rotating shaft 9, the driven gear 27 is coaxially installed on the linkage shaft 32, the driving gear 6 is meshed with the driven gear 27, the driving rotating shaft 9, the linkage shaft 32 and the primary grinding box 8 are connected through a bearing, one end, far away from the motor 5, of the driving rotating shaft 9 is connected with an input end of the gear box 10, an output end of the gear box 10 is connected with the grinding shaft 22, and the gear box 10 is fixed relative to the support frame 1, the milling shaft 22 extends into the milling box 14 and is fixed coaxially with the milling drum 23.

The horizontal driven shafts 2 are installed in the material conveying boxes 12, the driven shafts 2 are parallel to the driving rotating shafts 9, the helical blades 17 are installed on the corresponding driven shafts 2 in a matched mode, the driven shafts 2 are in transmission connection with the driving rotating shafts 9 or the linkage shafts 32 on the corresponding sides through belt pulleys 4 and belts 3, and the driven shafts 2 on the material conveying boxes 12 are coaxially fixed with the grinding cones 26 in the second-stage grinding boxes 11 matched with the material conveying boxes 12.

The lower part of the filter screen 18 of the first-stage grinding box 8 is provided with a material guiding box 13, a bottom plate of the material guiding box 13 adopts an inclined plate 30, the inclined plate 30 inclines towards the grinding box 14, the material guiding box 13 is used for enabling corn which passes through the filter screen 18 to be directly guided into the grinding box 14 after being ground by the first-stage grinding box 8 and has small granularity, and the first-stage grinding box 8 is used for respectively processing the processed corn according to the grinding condition.

The gear box 10 is internally provided with: the driving bevel gear 20 is coaxially fixed with the driving rotating shaft 9, the driven bevel gear 21 is coaxially fixed with the grinding shaft 22, and the driving bevel gear 20 is engaged with the driven bevel gear 21.

The driving roll 19 with all be fixed with on the driven voller 28 and be spiral helicine sand grip 29, and be in the driving roll 19 with during the driven voller 28 relative transmission, the driving roll 19 with on the driven voller 28 the sand grip 29 clearance meshing, the driving roll 19 with it can increase the usable length that the extrusion ground to fix on the driven voller 28 to be spiral helicine sand grip 29, improves the handling capacity of maize.

The clearance between the convex strips 29 on the driving roller 19 and the driven roller 28 is 2.5 mm.

The collecting box 15 is provided with a discharge port 16 at one side thereof.

The above embodiments are merely illustrative of the principles of the present invention and its effects, and do not limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present invention, and be covered by the claims of the present invention.

Claims

1. The utility model provides a corn starch processing is with multistage grinder which characterized in that includes: the corn grinding machine comprises a support frame (1), a primary grinding box (8), a feeding hopper (7), a driving roller (19), a driven roller (28), a filter screen (18), a communication port (31), a secondary grinding box (11), a grinding cone (26), a grinding box (14), a grinding cylinder (23), a lower grinding disc (24), a blanking port (25), a collecting box (15) and a transmission mechanism, wherein the primary grinding box (8) is fixed on the support frame (1), the feeding hopper (7) is connected above the primary grinding box (8), the driving roller (19) and the driven roller (28) which are axially and horizontally arranged are arranged in the primary grinding box (8), the driving roller (19) and the driven roller (28) are matched for grinding corn, the filter screen (18) which is obliquely arranged is arranged in the primary grinding box (8) below the driving roller (19) and the driven roller (28), the lower end of the filter screen (18) is provided with the communication port (31), the communication port (31) is communicated with the secondary grinding box (11), the grinding cone (26) which is axially and horizontally arranged is arranged in the secondary grinding box (11), the rotation of the grinding cone (26) is matched with the secondary grinding box (11) for secondary grinding of corn, the discharge port of the secondary grinding box (11) and the discharge port of the lower part of the filter screen (18) of the primary grinding box (8) are both communicated with the grinding box (14), the grinding cylinder (23) which is axially and vertically arranged is arranged in the grinding box (14), the grinding cylinder (23) adopts a conical cylinder body of which the lower end is of a spherical crown structure, the lower grinding disc (24) is arranged below the grinding cylinder (23) in a matched manner, and the rotation of the grinding cylinder (23) and the lower grinding disc (24) are used for grinding of corn, lower mill (24) with it is fixed mutually to grind case (14), lower mill (24) with the relative department in axial direction of a roll (23) is provided with blanking mouth (25), blanking mouth (25) with collecting box (15) intercommunication, drive mechanism is used for control drive roll (19), driven voller (28), grinding awl (26) and roll (23) rotation.

2. The multistage grinding device for processing corn starch as claimed in claim 1, wherein the filter screen (18) is of an inverted V-shaped structure inclined towards two sides, two communication ports (31) which are matched with the lowest ends of the two sides of the filter screen (18) one by one are arranged on two sides of the primary grinding box (8), and the two secondary grinding boxes (11) which are communicated with the communication ports (31) are respectively arranged on the two sides of the primary grinding box.

3. The multistage grinding device for corn starch processing as claimed in claim 2, characterized in that a material delivery box (12) is installed between the communication port (31) and the secondary grinding box (11) communicated with the communication port, and a helical blade (17) for pushing corn into the corresponding secondary grinding box (11) is installed in the material delivery box (12).

4. The multi-stage grinding apparatus for corn starch processing as claimed in claim 3, wherein the transmission mechanism comprises: the grinding device comprises a motor (5), a driving rotating shaft (9), a driving gear (6), a linkage shaft (32), a driven gear (27), a gear box (10) and a grinding shaft (22), wherein the driving rotating shaft (9) is coaxially fixed with a driving roller (19), the linkage shaft (32) is coaxially fixed with a driven roller (28), the driving rotating shaft (9) is coaxially fixed with an output shaft of the motor (5) fixed outside a primary grinding box (8), the driving gear (6) is coaxially installed on the driving rotating shaft (9), the driven gear (27) is coaxially installed on the linkage shaft (32), the driving gear (6) is meshed with the driven gear (27), one end, far away from the motor (5), of the driving rotating shaft (9) is connected with an input end of the gear box (10), an output end of the gear box (10) is connected with the grinding shaft (22), the milling shaft (22) extends into the milling box (14) and is coaxially fixed with the milling drum (23).

5. The multistage grinding device for corn starch processing as claimed in claim 4, characterized in that a horizontally arranged driven shaft (2) is installed in each material conveying box (12), the driven shaft (2) is parallel to the driving rotating shaft (9), the helical blades (17) are installed on the corresponding driven shaft (2) in a matching way, the driven shaft (2) is in transmission connection with the driving rotating shaft (9) or the linkage shaft (32) on the corresponding side through a belt pulley (4) and a belt (3), and the driven shaft (2) on the material conveying box (12) is coaxially fixed with the grinding cone (26) in the secondary grinding box (11) matched with the material conveying box (12).

6. The multistage grinding device for processing corn starch as claimed in claim 1 or 5, characterized in that a material guide box (13) is arranged at the lower part of the filter screen (18) of the primary grinding box (8), the bottom plate of the material guide box (13) adopts an inclined plate (30), and the inclined plate (30) inclines towards the grinding box (14).

7. The multistage grinding device for corn starch processing according to claim 4, characterized in that the gear box (10) is provided with: the driving bevel gear (20) and the driven bevel gear (21), the driving bevel gear (20) is coaxially fixed with the driving rotating shaft (9), the driven bevel gear (21) is coaxially fixed with the rolling shaft (22), and the driving bevel gear (20) is meshed with the driven bevel gear (21).

8. The multistage grinding device for processing corn starch as claimed in claim 1 or 7, characterized in that spiral ribs (29) are fixed on the driving roller (19) and the driven roller (28), and when the driving roller (19) and the driven roller (28) are in relative transmission, the ribs (29) on the driving roller (19) and the driven roller (28) are in clearance engagement.

9. The multistage grinding apparatus for corn starch processing as claimed in claim 8, wherein the clearance between the ridges (29) on the drive roll (19) and the driven roll (28) is not more than 3 mm.

10. The multistage grinding apparatus for corn starch processing as claimed in claim 1 or 9, wherein the collection tank (15) is provided with a discharge outlet (16) at one side.