Novel semi-automatic screen replacement experiment mill

Abstract

The utility model discloses a novel semi-automatic screen replacement experiment mill which comprises a shell, an outer millstone, an inner millstone and a containing hopper. One end of the grinding roller mechanism is located in the inner millstone, and the grinding roller mechanism is used for grinding materials; the containing groove is located between the outer millstone and the inner millstone and is provided with a forward opening; the screening mechanism is located in the containing groove and is used for screening crushed powder; the indicator is located at the bottom of the outer millstone; the annular plate of the screening mechanism is located in the containing groove between the inner millstone and the outer millstone, the screening holes can be replaced by rotating the screening ring, the screening mechanism is prevented from being disassembled, different screening areas are arranged on the annular plate, the screening holes with different hole diameters are formed in the screening areas, and therefore the screening mechanism is convenient to use, and the screening efficiency is improved. And the screening area can be conveniently adjusted according to actual requirements and located above the discharging hole, the working efficiency is improved, the discharging pipe communicates with the discharging hole of the outer grinding disc, and powder obtained after grinding is conveniently discharged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flour equipment technical field, concretely relates to a novel semi -automatic replacement screen experimental mill. BACKGROUND

[0002] ‌Experimental flour mill plays more and more important role in modern scientific research, teaching and industrial production. The high-speed rotating mill roller of experimental flour mill makes material and inner grinding disc and mill roller friction and impact. When the motor drives the main shaft rotation, the mill roller rotates synchronously with the main shaft, then the mill roller starts high-speed rotation, and material is sent into the gap between inner grinding disc and mill roller, and under the action of mill roller rotation, material is evenly distributed on inner grinding disc and is continuously impacted and ground by mill roller. After multiple impact and grinding, material is gradually crushed into fine powder and discharged through screen.

[0003] Therefore, it is a problem worth studying to provide a novel semi-automatic replacement screen experimental mill which can replace screen of different specifications without disassembly. SUMMARY

[0004] The utility model discloses a novel semi-automatic replacement screen experimental mill which can replace screen of different specifications without disassembly.

[0005] The utility model discloses a novel semi-automatic replacement screen experimental mill which can replace screen of different specifications without disassembly.

[0006] A novel semi-automatic replacement screen experimental mill, including the casing, be located in the casing and be connected with the inner surface of the casing through the first connecting plate fixedly connected outer grinding disc, be located in the outer grinding disc and be connected with the inner surface of the outer grinding disc through the second connecting plate inner grinding disc, be located above the casing and the bottom with inner grinding disc intercommunication material hopper, still include one end be located in the inner grinding disc and be used for the mill roller mechanism of material grinding, be located between the outer grinding disc and inner grinding disc and open to the front containing groove, be located in containing groove and be used for the screening mechanism of the powder after crushing screening, be located in the indication mark of outer grinding disc bottom, be used for the closure of inner grinding disc and outer grinding disc cover, and screening mechanism is located in containing groove and rotates and locks relative to containing groove.

[0007] The screening mechanism comprises a ring plate located in a containing groove and in a ring shape, a plurality of screening zones for screening the powder into different particle sizes and located on the ring plate, a plurality of screen holes located on the screening zones, a plurality of locking columns located on the front surface of the ring plate and corresponding to the positions and number of the screening zones, and a positioning assembly for positioning the ring plate and the containing groove.

[0008] The plurality of screening zones are uniformly distributed along the circumferential direction of the ring plate, and the screen holes of different screening zones are different in diameter.

[0009] The positioning assembly comprises a plurality of positioning blocks fixedly connected with the back side of the ring plate, a positioning ring located in the containing groove, a plurality of positioning holes located on the positioning ring and corresponding to the positioning blocks,

[0010] The positioning blocks are located directly behind the locking columns, the number of the positioning blocks is equal to that of the locking columns, the positioning holes are uniformly distributed along the circumferential direction of the positioning ring, and one of the positioning holes is located directly above the indicating mark.

[0011] The grinding roller mechanism comprises a plurality of grinding rollers located in the inner grinding disc, a driving shaft connected with one end of the plurality of grinding rollers, and a driving motor connected with the other end of the driving shaft and located in the housing, wherein the driving motor is fixedly connected with the inner surface of the housing.

[0012] The bottom of the inner grinding disc is provided with a plurality of discharge holes, the bottom of the outer grinding disc is provided with a discharge hole, the plurality of discharge holes are located directly above the discharge hole, and a discharge pipe is located directly below the discharge hole.

[0013] The cover is provided with a plurality of locking holes matched with the locking columns.

[0014] The ring plate of the screening mechanism is located in the containing groove between the inner grinding disc and the outer grinding disc, the screen hole can be replaced by rotating the screen ring, the disassembly of the screening mechanism is avoided, the ring plate is provided with different screening zones, each screening zone is provided with screen holes of different diameters, the screening zone can be adjusted according to actual requirements and located above the discharge hole, the working efficiency is improved, and the discharge pipe is communicated with the discharge hole of the outer grinding disc, so that the ground powder can be discharged. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a sectional view in A-A direction;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the screening mechanism of the utility model;

[0018] Figure 4 It is an enlarged structural schematic diagram of part B;

[0019] The figure: shell 1, holding hopper 2, outer grinding disc 3, discharge hole 31, inner grinding disc 4, discharge hole 41, screening mechanism 5, grinding roller mechanism 6, cover 7, locking hole 71, discharge pipe 8, containing groove 9, indicating mark 10, ring plate 51, screening area 52, screen hole 53, locking column 54, positioning assembly 55, positioning block 551, positioning ring 552, positioning hole 553, grinding roller 61, drive shaft 62, drive motor 63. DETAILED DESCRIPTION

[0020] The utility model is further described below in combination with the drawings and examples.

[0021] As Figure 1 and Figure 2 shown, a new type of semi-automatic replacement screen experimental mill includes a shell 1, an outer grinding disc 3 located in the shell 1 and fixedly connected with the inner surface of the shell 1 through a first connecting plate, an inner grinding disc 4 located in the outer grinding disc 3 and connected with the inner surface of the outer grinding disc 3 through a second connecting plate, a holding hopper 2 located above the shell 1 and communicating with the inner grinding disc 4 at the bottom, a grinding roller mechanism 6 located in the inner grinding disc 4 and used for grinding the material, a containing groove 9 located between the outer grinding disc 3 and the inner grinding disc 4 and opening forward, a screening mechanism 5 located in the containing groove 9 and used for screening the crushed powder, an indicating mark 10 located at the bottom of the outer grinding disc 3, a cover used for plugging the inner grinding disc 4 and the outer grinding disc 3, the bottom of the inner grinding disc 4 is provided with a plurality of discharge holes 41, the bottom of the outer grinding disc 3 is provided with a discharge hole 31, the plurality of discharge holes 41 are located directly above the discharge hole 31, and a discharge pipe 8 is located directly below the discharge hole 31, so as to facilitate the discharge of the ground material. The screening mechanism 5 is located in the containing groove 9 and rotates and locks relative to the containing groove 9. After the material is ground by the grinding roller mechanism 6, it enters the discharge hole 31 and the discharge pipe 8 through the discharge hole 41 and the screening mechanism 5 and is discharged, according to the use requirement, the screening mechanism 5 is rotated, and the specified screen aperture is located directly below the discharge port, so as to meet the requirement of screening the powder.

[0022] As Figure 3The screening mechanism comprises a ring plate 51 located in the accommodating groove 9 and annular, a plurality of screening zones 52 for screening the powder into different particle sizes and located on the ring plate 51, a plurality of screen holes 53 located on the screening zones 52, locking columns 54 located on the front surface of the ring plate 51 and corresponding to the positions and number of the screening zones 52, a positioning assembly 55 for positioning the ring plate 51 and the accommodating groove 9, each locking column 54 represents a screening zone 52 with different aperture, that is, the locking column 54 is provided with an identification mark, so that the screening zones 52 with different aperture can be quickly identified. The longitudinal section of the accommodating groove 9 is annular, facilitating the placement of the ring plate 51, the plurality of screening zones 52 are uniformly distributed along the circumferential direction of the ring plate 51, and the screen holes 53 of different screening zones 52 are different in diameter. The cover 7 is provided with a plurality of locking holes 71 matched with the locking columns 54, the inner surface of the locking hole 71 is provided with a sealing sleeve, the locking hole 71 and the locking column 54 are in sealing connection, preventing the powder from escaping. According to the identification mark of the locking column 54, the ring plate 51 is rotated synchronously with the locking column 54, so that the specified locking column 54 is located directly above the indicating mark 10, and the specified screening zone 52 is located directly above the discharge hole 31, facilitating the screening of the powder and the discharge of the screened powder. The ring plate of the screening mechanism is located in the accommodating groove between the inner grinding disc and the outer grinding disc, the screen holes can be replaced by rotating the screen ring, avoiding the disassembly of the screening mechanism, the ring plate is provided with different screening zones, each screening zone is provided with screen holes with different aperture, facilitating the adjustment of the screening zone according to the actual demand and the location of the discharge hole, and improving the work efficiency.

[0023] As shown in Figure 4 The positioning assembly 55 comprises a plurality of positioning blocks 551 fixedly connected with the rear side of the ring plate 51, a positioning ring 552 located in the accommodating groove 9, and a plurality of positioning holes 553 located on the positioning ring 552 and corresponding to the positioning blocks 551. The positioning ring 552 is fixedly connected with the inner surface of the accommodating groove 9, the positioning blocks 551 are located directly behind the locking columns 54, the number of the positioning blocks 551 is equal to that of the locking columns 54 and the positions correspond, and the plurality of positioning holes 553 are uniformly distributed along the circumferential direction of the positioning ring 552, wherein one of the positioning holes 553 is located directly above the indicating mark 10, that is, one of the positioning holes 553 corresponds to the position of the indicating mark 10. When it is necessary to adjust the particle size of the ground material, the cover 7 is opened, the locking column 54 is pulled forward to move, the positioning block 551 is separated from the positioning hole 553, the locking column 54 is rotated, the ring plate 51 is synchronously rotated with the locking column 54, when the specified locking column 54 is located directly above the indicating mark 10, the specified screening zone 52 is located directly above the discharge hole 31, the locking column 54 is pushed backward at this time, the positioning block 551 is located in the positioning hole 553, the ring plate 51 is positioned with the accommodating groove 9, and then the cover 7 is closed. At this time, the locking column 54 is located in the locking hole 71, the cover 7 is fixed with the outer grinding disc 3, the locking column 54 is fixed with the locking hole 71, and the ring plate 51 is fixed.

[0024] The grinding roller mechanism 6 comprises a plurality of grinding rollers 61 located in the inner grinding disc 4, a driving shaft 62 connected with one end of the plurality of grinding rollers 61, a driving motor 63 connected with the other end of the driving shaft 62 and located in the shell 1, one end of the driving shaft 62 is located in the inner grinding disc, the other end is located in the shell 1, the driving motor 63 is fixedly connected with the inner surface of the shell 1, and the driving motor 63 drives the grinding roller 61 to rotate through the driving shaft 62, so that the material is ground.

[0025] The ring plate of the screening mechanism is located in the containing groove between the inner grinding disc and the outer grinding disc, and the screen ring can be rotated to replace the screen holes, thereby avoiding disassembly of the screening mechanism. Different screening zones are arranged on the ring plate, and different aperture screen holes are arranged on each screening zone. The screening zones can be adjusted according to actual requirements and located above the discharge hole, so that the working efficiency is improved. The discharge pipe is communicated with the discharge hole of the outer grinding disc, so that the ground powder can be discharged.

Claims

1. A new type of semi-automatic replacement screen experimental mill, comprising a shell, an outer mill disc located in the shell and fixedly connected with the inner surface of the shell through a first connecting plate, an inner mill disc located in the outer mill disc and connected with the inner surface of the outer mill disc through a second connecting plate, and a material containing hopper located above the shell and having a bottom communicated with the inner mill disc, characterized in that: The mill roller mechanism is located in the inner mill disc and used for grinding the material, the containing groove is located between the outer mill disc and the inner mill disc and opens to the front, the screening mechanism is located in the containing groove and used for screening the ground powder, the indicating mark is located at the bottom of the outer mill disc, the cover is used for blocking the inner mill disc and the outer mill disc, and the screening mechanism is located in the containing groove and rotates and locks relative to the containing groove. ​ 2. The novel semi-automatic change screen lab mill of claim 1, wherein: The screening mechanism comprises a ring plate located in the containing groove and in a ring shape, a plurality of screening zones located on the ring plate and used for screening the powder into different particle sizes, a plurality of screen holes located on the screening zones, a plurality of locking columns located on the front surface of the ring plate and corresponding to the positions and quantities of the screening zones, and a positioning assembly used for positioning the ring plate and the containing groove.

3. The novel semi-automatic change screen lab mill of claim 2, wherein: The plurality of screening zones are uniformly distributed along the circumferential direction of the ring plate, and the screen hole diameters of different screening zones are different.

4. The novel semi-automatic change screen lab mill of claim 2, wherein: The positioning assembly comprises a plurality of positioning blocks fixedly connected with the back side of the ring plate, a positioning ring located in the containing groove, and a plurality of positioning holes located on the positioning ring and corresponding to the positioning blocks.

5. The novel semi-automatic change screen lab mill of claim 4, wherein: The positioning blocks are located directly behind the locking columns, the quantity of the positioning blocks is equal to that of the locking columns, the plurality of positioning holes are uniformly distributed along the circumferential direction of the positioning ring, and one of the positioning holes is located directly above the indicating mark.

6. The novel semi-automatic change screen lab mill of claim 1, wherein: The mill roller mechanism comprises a plurality of mill rollers located in the inner mill disc, a driving shaft connected with one end of the plurality of mill rollers, and a driving motor connected with the other end of the driving shaft and located in the shell, wherein the driving motor is fixedly connected with the inner surface of the shell.

7. The novel semi-automatic change screen lab mill of claim 1, wherein: The bottom of the inner mill disc is provided with a plurality of discharge holes, the bottom of the outer mill disc is provided with a discharge hole, the plurality of discharge holes are located directly above the discharge hole, and a discharge pipe is located directly below the discharge hole.

8. The novel semi-automatic change screen lab mill of claim 1, wherein: The cover is provided with a plurality of locking holes matched with the locking columns.

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