CN213674970U - Flour mill - Google Patents

Abstract

The application relates to a milling machine, it includes that dummy pit and one end are placed in the discharging pipe in the dummy pit, the one end that the discharging pipe is close to the dummy pit is provided with the apron, just the outer peripheral face of apron with the inner peripheral surface butt of dummy pit. This application has the effect that the restriction raw materials produces the raise dust.

Description

Flour mill

Technical Field

The application relates to the field of plastic processing machinery, in particular to a flour mill.

Background

In the existing plastic product industry, for the processing and production of plastic products, raw materials are generally required to be crushed and ground into powder, and then the powder is processed, and a grinding machine is one of main devices for grinding the raw materials. Flour mills in use in the current market are classified into two major categories: one type is a blade type, and the other type is a grinding disc type, and compared with a blade type grinding machine, the grinding disc type grinding machine has the advantages that a finished product is ground uniformly and the fineness is small.

Referring to fig. 1, the existing flour mill includes a frame 1, a feeding mechanism 2, a grinding mechanism 3 and a powder unloading mechanism 4, wherein the feeding mechanism includes a separately disposed feeding tank 6, a feeding fan 7 disposed on the frame 1, and a feeding pipe 8 having one end connected to an air inlet of the feeding fan 7 and the other end disposed in the feeding tank 6; the grinding mechanism 3 comprises a grinding disc 9 arranged on the frame 1 and a transition pipe 10, one end of the transition pipe is connected with an air outlet of the feeding fan 7, and the other end of the transition pipe is connected with the grinding disc 9; the powder unloading mechanism 4 comprises an unloading pool 11 placed independently, an unloading fan 12 arranged on the frame 1, a discharging pipe 13 with one end connected with an air inlet of the unloading fan 12 and the other end connected with the grinding disc 9, and a discharging pipe 14 with one end connected with an air outlet of the unloading fan 12 and the other end placed in the unloading pool 11.

In the discharging process, the small diameter of the raw material ground by the grinding machine is small, and the discharging pipe only has the discharging function, so that the defect that the raw material is prone to generating dust during the discharging process exists when the wind power of the discharging fan is too large or wind exists in the working environment.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the raw materials easily produce the raise dust at the in-process of unloading of above-mentioned milling machine, this application provides a milling machine.

The application provides a milling machine adopts following technical scheme:

the utility model provides a milling machine, includes that dummy pit and one end are placed in the discharging pipe in the dummy pit, the one end that the discharging pipe is close to the dummy pit is provided with the apron, just the outer peripheral face of apron with the inner peripheral surface butt of dummy pit.

Through adopting above-mentioned technical scheme, at the milling machine in-process of unloading, the inner peripheral surface butt of apron outer peripheral face and dummy pit for when the raw materials shifts to the dummy pit from the discharging pipe, the dummy pit is covered to the apron, and then the removal of restriction raw materials, restriction raw materials because the too big or windy existence of operational environment of discharge fan wind-force produces the raise dust.

Optionally, the outer peripheral face of discharging pipe is provided with the spacing ring, the confession has been seted up to the apron lower extreme face the through-hole that the spacing ring wore to establish, the through-hole pore wall is provided with a plurality of restrictions spacing ring axial displacement's location strip, the lower extreme face of location strip with the up end butt of spacing ring.

Through adopting above-mentioned technical scheme, wear to establish the apron with the discharging pipe from supreme down to with the up end of spacing ring and the lower terminal surface butt of location strip, the radial movement of spacing ring restriction location strip, and then the axial displacement of restriction apron, restriction apron break away from the discharging pipe.

Optionally, the apron up end is seted up and is supplied the constant head tank of location strip one end grafting, the constant head tank with the through-hole communicates each other, just the location strip is kept away from the one end of through-hole is run through and is provided with spacing axle, the both ends of spacing axle are fixed in respectively on two lateral walls of constant head tank, constant head tank lower extreme inner wall is provided with the locating piece.

By adopting the technical scheme, in the process of installing the cover plate, the cover plate directly slides from the lower part of the discharge pipe through the through hole, because one end of the positioning strip far away from the through hole is provided with the limiting shaft in a penetrating way, therefore, when the upper end surface of the positioning strip is abutted against the lower end surface of the limiting ring, the positioning strip rotates around the limiting ring in the circumferential direction under the action of the limiting ring, thereby promoting the upper end surface of the positioning strip to gradually separate from the lower end surface of the limiting ring, restoring the positioning strip to the original state when the upper end surface of the positioning strip completely separates from the lower end surface of the limiting ring, make the locating bar keep away from under the one end of through-hole terminal surface and the up end butt of locating piece, terminal surface and the up end butt of spacing ring under the locating bar other end, the circumferential direction removal of locating piece restriction locating bar, the axial displacement of spacing ring restriction locating bar, and then the axial displacement of restriction apron, restriction apron break away from the discharging pipe.

Optionally, the terminal surface both ends are provided with the support ring that supports spacing axle under the locating bar, the torsional spring is worn to be equipped with by spacing axle, the one end of torsional spring with the lower terminal surface butt of locating bar, the other end with locating piece inner wall butt.

Through adopting above-mentioned technical scheme, when the up end of locating bar breaks away from the lower terminal surface of spacing ring completely, because the one end of torsional spring and the lower terminal surface butt of locating bar, the other end and locating piece inner wall butt for the circumferential direction of locating piece restriction torsional spring removes, and the locating bar can reply to original state automatically under the reply effect of torsional spring, and no longer need the manual work to operate less operating time to the locating bar.

Optionally, the torsional spring is provided with two, and two the torsional spring butt is connected each other and forms first butt portion in the one end of locating piece lower extreme face, two the torsional spring butt forms second butt portion in the one end of locating piece inner wall.

Through adopting above-mentioned technical scheme, for only controlling the location strip through a torsional spring, connect each other through the one end of two torsional springs butt terminal surfaces under the location strip and form first butt portion for the torsional spring is more stable to the answer effect of location strip, and two torsional springs butts form second butt portion in the one end of locating piece inner wall, make the locating piece more strong to the restriction of torsional spring circumferential movement.

Optionally, a first caulking groove for the first abutting portion to be embedded is formed in the lower end face of the positioning strip, and a second caulking groove for the second abutting portion to be embedded is formed in the inner wall of the positioning block.

Through adopting above-mentioned technical scheme, first butt portion inlays and locates in the first caulking groove, and second butt portion inlays and locates in the second caulking groove for the axial displacement and the radial movement of first butt portion are restricted to the first caulking groove, and the axial displacement and the radial movement of second butt portion are restricted to the second caulking groove, and then restrict the axial displacement of two torsional springs, increase the stability of two torsional springs.

Optionally, the both ends of location axle are provided with the stopper, the confession is seted up to the apron up end the spacing groove that the stopper was pegged graft, the spacing groove with the constant head tank communicates each other.

Through adopting above-mentioned technical scheme, when needs are installed spacing axle and location strip, can be directly through pegging graft in spacing inslot with the stopper for it is more simple and convenient to the installation of spacing axle and location strip.

Optionally, a limiting plate is arranged at the upper end of the positioning groove, and the lower end face of the limiting plate is abutted to the upper end face of the limiting block.

Through adopting above-mentioned technical scheme, the up end butt of the lower terminal surface of limiting plate and stopper, the limiting plate restriction stopper's axial displacement, and then the axial displacement of restriction spacing axle and location strip, restriction apron break away from the discharging pipe.

Optionally, an insertion groove for inserting the limiting plate is formed in the wall of the positioning groove, and the insertion groove is communicated with the limiting groove.

Through adopting above-mentioned technical scheme, the limiting plate is pegged graft in the inserting groove for when needs are changed the location strip, can follow the inserting groove with the limiting plate and take out, make the operation to it more simple and convenient, and when the apron was used, can also peg graft the limiting plate in the inserting groove once more, guarantee the normal use of apron.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the unloading process of the flour mill, the outer peripheral surface of the cover plate is abutted against the inner peripheral surface of the discharge pool, so that when raw materials are transferred from the discharge pipe to the discharge pool, the discharge pool is covered by the cover plate, the movement of the raw materials is further limited, and the raw materials are limited from generating dust due to overlarge wind power of an unloading fan or wind existing in a working environment;

2. in the installation apron's in-process, it directly slides on the below of discharging pipe through the through-hole with the apron, because the one end that the through-hole was kept away from to the locating strip runs through and is provided with spacing axle, so when the up end of locating strip and the lower terminal surface butt of spacing ring, the spacing ring's of locating strip effect is down around spacing ring circumferential direction, and then make the up end of locating strip break away from the lower terminal surface of spacing ring gradually, when the up end of locating strip breaks away from the lower terminal surface of spacing ring completely, return the locating strip to original state, make the one end down terminal surface that the through-hole was kept away from to the locating strip and the up end butt of locating piece, locating strip other end down terminal surface and the up end butt of spacing ring, the circumferential direction of locating piece restriction locating strip, the axial displacement of spacing ring restriction locating strip, and then the axial displacement of restriction apron, the.

Drawings

FIG. 1 is a schematic diagram of a prior art pulverizer;

FIG. 2 is a schematic diagram of a mill according to an embodiment of the present application;

FIG. 3 is a schematic partially exploded view of the dust protection mechanism shown in FIG. 2;

FIG. 4 is a schematic structural diagram of the limiting member shown in FIG. 3;

FIG. 5 is an exploded view of the limiter of FIG. 3;

FIG. 6 is an exploded view of the cover plate shown in FIG. 3;

fig. 7 is an enlarged schematic view of a portion a in fig. 6.

Description of reference numerals: 1. a frame; 2. a feeding mechanism; 3. a grinding mechanism; 4. a powder unloading mechanism; 5. a dust raising prevention mechanism; 6. a feeding tank; 7. a feeding fan; 8. a feed pipe; 9. a grinding disk; 10. a transition duct; 11. a discharge pond; 12. a discharge fan; 13. a discharge pipe; 14. a discharge pipe; 15. a limiting ring; 16. a cover plate; 17. a limiting component; 18. a through hole; 19. a positioning bar; 20. a support ring; 21. a limiting shaft; 22. a torsion spring; 23. positioning a groove; 24. a limiting block; 25. a limiting groove; 26. a limiting plate; 27. inserting grooves; 28. positioning blocks; 29. a first abutting portion; 30. a second abutting portion; 31. a first caulking groove; 32. a second caulking groove.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

Referring to fig. 1, the existing flour mill comprises a frame 1, a feeding mechanism 2, a grinding mechanism 3 and a powder unloading mechanism 4, wherein the feeding mechanism comprises a separately arranged feeding tank 6, a feeding fan 7 connected to the frame 1 through a bolt, and a feeding pipe 8, one end of which is in threaded connection with an air inlet of the feeding fan 7, and the other end of which is arranged in the feeding tank 6; the grinding mechanism 3 comprises a grinding disc 9 connected to the rack 1 through a bolt and a transition pipe 10, one end of the transition pipe is in threaded connection with an air outlet of the feeding fan 7, and the other end of the transition pipe is in threaded connection with the grinding disc 9; the powder unloading mechanism 4 comprises an unloading pool 11 which is placed independently, an unloading fan 12 which is connected onto the frame 1 through a bolt, an air inlet threaded connection of one end of the unloading fan 12, an unloading pipe 13 of which the other end is in threaded connection with the grinding disc 9, and an air outlet threaded connection of one end of the unloading pipe and the unloading fan 12, and a discharging pipe 14 of which the other end is placed in the unloading pool 11.

The embodiment of the application discloses milling machine. Referring to fig. 2 and 3, the flour mill includes a frame 1, a feeding mechanism 2, a grinding mechanism 3, a powder discharging mechanism 4, and a dust-raising prevention mechanism 5.

The feeding structure comprises a separately placed feeding pool 6, a feeding fan 7 arranged on the frame 1 and a feeding pipe 8, one end of the feeding pipe is connected with an air inlet of the feeding fan 7, and the other end of the feeding pipe is placed in the feeding pool 6; usually, the feeding fan 7 can be directly welded to the frame 1 except being fixed to the frame 1 by bolts, and the feeding pipe 8 can be fixed to the air inlet of the feeding fan 7 by sleeving, or fixed to the air inlet of the feeding fan 7 by quick-drying adhesive.

The grinding mechanism 3 comprises a grinding disc 9 arranged on the frame 1 and a transition pipe 10, one end of the transition pipe is connected with an air outlet of the feeding fan 7, and the other end of the transition pipe is connected with the grinding disc 9; usually, the grinding disc 9 can be fixed on the frame 1 through a bolt, and can be connected on the frame 1 through a clamping connection, and the transition pipe 10 can be connected with the air outlet of the feeding fan 7 and the grinding disc 9 through a sleeve, and can also be connected with the air outlet of the feeding fan 7 and the grinding disc 9 through an insertion connection.

The powder unloading mechanism 4 comprises an unloading pool 11 placed independently, an unloading fan 12 arranged on the frame 1, an air inlet connection of one end of the unloading fan 12, an unloading pipe 13 of which the other end is connected with the grinding disc 9, and an air outlet connection of one end of the unloading fan 12, a discharging pipe 14 of which the other end is placed in the unloading pool 11, and a limiting ring 15 is arranged on the peripheral surface of the lower end of the discharging pipe 14.

In general, the discharge fan 12 can be screwed with the frame 1 besides being fixed on the frame 1 by bolts; the discharge pipe 13 can be connected with the air inlet of the discharge fan 12 and the grinding disc 9 through bolts, and the discharge pipe 13 can be fixed with the air inlet of the discharge fan 12 and the grinding disc 9 through hoops; the discharge pipe 14 can be in threaded connection with the air outlet of the discharge fan 12 and can be integrally formed with the air outlet of the material-skimming fan; the limiting ring 15 is fixed with the lower end of the discharge pipe 14 by welding and can be connected with the lower end of the discharge pipe 14 by screw threads.

The dustproof mechanism 5 comprises a cover plate 16 arranged at one end, close to the discharge tank 11, of the discharge pipe 14 and a limiting component 17 connected with the cover plate 16 in a matched mode, a through hole 18 for the limiting ring 15 to penetrate through is formed in the lower end face of the cover plate 16, and the outer peripheral face of the cover plate 16 is abutted to the inner peripheral face of the discharge tank 11.

Referring to fig. 3 and 4, the limiting assembly 17 includes a plurality of positioning strips 19, a support ring 20, a limiting shaft 21, a limiting block 24 and a torsion spring 22, and the positioning strips 19 are uniformly arranged on the wall of the through hole 18 at intervals, for example, two positioning strips 19 are arranged right opposite to each other, and the lower end surface of each positioning strip 19 is abutted to the upper end surface of the limiting ring 15.

Referring to fig. 4 and 6, a positioning groove 23 for inserting one end of the positioning bar 19 is formed in the upper end surface of the cover plate 16, the positioning groove 23 is communicated with the through hole 18, and the limiting shaft 21 is disposed at one end of the positioning bar 19 far away from the through hole 18.

Referring to fig. 5 and 7, stopper 24 threaded connection is in the both ends of spacing axle 21, the spacing groove 25 that supplies stopper 24 to peg graft is seted up to apron 16 up end, spacing groove 25 and constant head tank 23 communicate each other, and constant head tank 23 upper end is provided with limiting plate 26, limiting plate 26's lower terminal surface and stopper 24's up end butt, constant head tank 23 cell wall is seted up and is supplied the inserting groove 27 that limiting plate 26 pegged graft, and inserting groove 27 and spacing groove 25 communicate each other, in this embodiment, limiting plate 26 passes through the bolt fastening with apron 16.

Positioning block 28 is disposed on the inner wall of the lower end of positioning groove 23, generally, positioning block 28 and cover plate 16 are integrally formed, and may be fixed by welding, in addition, torsion spring 22 is disposed through limiting shaft 21, one end of torsion spring 22 abuts against the lower end face of positioning bar 19, and the other end abuts against the inner wall of positioning block 28, as an example, two torsion springs 22 are disposed, in this embodiment, two torsion springs 22 are disposed, and one ends of the two torsion springs 22 abutting against the lower end face of positioning bar 19 are connected to each other and form first abutting portion 29, two torsion springs 22 abutting against one end of the inner wall of positioning block 28 form second abutting portion 30, a first caulking groove 31 for embedding first abutting portion 29 is disposed on the lower end face of positioning bar 19, and a second caulking groove 32 for embedding second abutting portion 30 is disposed.

The implementation principle of the milling machine in the embodiment of the application is as follows:

the installation process comprises the following steps: before the flour mill is used, firstly, a feeding fan 7 is fixed on a frame 1 through bolts, one end of a feeding pipe 8 is sleeved at an air inlet of the feeding fan 7, and the other end of the feeding pipe is placed in a feeding pool 6; then, the grinding disc 9 is fixed on the frame 1 through a bolt, one end of the transition pipe 10 is sleeved at an air outlet of the feeding fan 7, and the other end of the transition pipe is connected with the grinding disc 9 through a thread; then, the discharge fan 12 is fixed on the frame 1 through a bolt, one end of the discharge pipe 13 is in threaded connection with the grinding disc 9, the other end of the discharge pipe is sleeved at the air inlet of the discharge fan 12, and one end of the discharge pipe 14 is sleeved at the air outlet of the discharge fan 12.

Meanwhile, firstly, two torsion springs 22 are placed between the support rings 20, the first abutting part 29 is embedded in the first embedding groove 31, then the limiting shaft 21 sequentially penetrates through the support rings 20 and the two torsion springs 22, and two ends of the limiting shaft 21 are in threaded connection with the limiting blocks 24; later peg graft stopper 24 and location strip 19 respectively in constant head tank 23 and spacing groove 25, when the tank bottom butt of the lower terminal surface of stopper 24 and spacing groove 25, inlay second butt portion 30 and locate in second caulking groove 32, finally, peg graft limiting plate 26 in inserting groove 27 to pass through bolted connection with apron 16 with limiting plate 26, at this moment, the lower terminal surface of limiting plate 26 and the up end butt of stopper 24.

Finally, the cover plate 16 directly slides from the lower part of the discharge pipe 14 through the through hole 18, because the end of the positioning strip 19 far away from the through hole 18 is provided with the limiting shaft 21 in a penetrating way, when the upper end surface of the positioning strip 19 is abutted against the lower end surface of the limiting ring 15, the limiting ring 15 of the positioning strip 19 rotates circumferentially around the limiting ring 15 under the action of the limiting ring 15, so that the upper end surface of the positioning strip 19 is gradually separated from the lower end surface of the limiting ring 15, when the upper end surface of the positioning strip 19 is completely separated from the lower end surface of the limiting ring 15, the positioning strip 19 is restored to the original state under the restoring action of the torsion spring 22, so that the lower end surface of one end of the positioning strip 19 far away from the through hole 18 is abutted against the upper end surface of the positioning block 28, the lower end surface of the other end of the positioning strip 19 is abutted against the upper end surface of the limiting ring 15, the positioning block 28 limits the circumferential movement, the closure 16 is prevented from being removed from the tapping pipe 14.

The use process comprises the following steps: the feeding fan 7, the grinding disc 9 and the discharging fan 12 are sequentially opened, the feeding pipe 8 sucks raw materials out of the feeding pool 6 under the action of the feeding fan 7 and conveys the raw materials into the transition pipe 10, the raw materials in the transition pipe 10 enter the grinding disc 9 to be ground under the action of gravity, after the grinding is finished, the ground raw materials sequentially pass through the discharging pipe 13 and the discharging pipe 14 under the driving of the discharging fan 12 and are finally collected in the discharging pool 11, and the outer peripheral surface of the cover plate 16 is abutted to the inner peripheral surface of the discharging pool 11, so that the raw materials are limited to generate raised dust.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A mill, characterized in that: the device comprises a discharge tank (11) and a discharge pipe (14) with one end placed in the discharge tank (11), wherein a cover plate (16) is arranged at one end, close to the discharge tank (11), of the discharge pipe (14), and the outer peripheral surface of the cover plate (16) is abutted to the inner peripheral surface of the discharge tank (11).

2. A mill according to claim 1, characterized in that: the outer peripheral face of discharging pipe (14) is provided with spacing ring (15), the confession has been seted up to apron (16) lower terminal surface through-hole (18) that spacing ring (15) wore to establish, through-hole (18) pore wall is provided with a plurality of restrictions spacing ring (15) axial displacement's location strip (19), the lower terminal surface of location strip (19) with the up end butt of spacing ring (15).

3. A mill according to claim 2, characterized in that: the confession has been seted up to apron (16) up end location strip (19) one end constant head tank (23) of pegging graft, constant head tank (23) with through-hole (18) communicate each other, just location strip (19) are kept away from the one end of through-hole (18) is run through and is provided with spacing axle (21), the both ends of spacing axle (21) are fixed in respectively on two lateral walls of constant head tank (23), constant head tank (23) lower extreme inner wall is provided with locating piece (28).

4. A mill according to claim 3, characterized in that: the terminal surface both ends are provided with the support under location strip (19) support ring (20) of spacing axle (21), torsional spring (22) are worn to be equipped with by spacing axle (21), the one end of torsional spring (22) with the lower terminal surface butt of location strip (19), the other end with locating piece (28) inner wall butt.

5. A mill according to claim 4, characterized in that: the utility model discloses a positioning piece, including locating piece (28), torsional spring (22) are provided with two, and two torsional spring (22) butt is connected each other and forms first butt portion (29) in the one end of locating piece (19) lower extreme face, two torsional spring (22) butt forms second butt portion (30) in the one end of locating piece (28) inner wall.

6. A mill according to claim 5, characterized in that: the lower end face of the positioning strip (19) is provided with a first caulking groove (31) for the first abutting part (29) to be embedded, and the inner wall of the positioning block (28) is provided with a second caulking groove (32) for the second abutting part (30) to be embedded.

7. A mill according to claim 3, characterized in that: the limiting device is characterized in that limiting blocks (24) are arranged at two ends of the limiting shaft (21), limiting grooves (25) for the limiting blocks (24) to be connected in an inserting mode are formed in the upper end face of the cover plate (16), and the limiting grooves (25) are communicated with the positioning grooves (23).

8. Mill according to claim 7, characterized in that: a limiting plate (26) is arranged at the upper end of the positioning groove (23), and the lower end face of the limiting plate (26) is abutted to the upper end face of the limiting block (24).

9. Mill according to claim 8, characterized in that: the groove wall of the positioning groove (23) is provided with an insertion groove (27) for the insertion of the limiting plate (26), and the insertion groove (27) is communicated with the limiting groove (25).

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