CN216063492U - Milling equipment - Google Patents

Abstract

The utility model discloses a milling device, which relates to the technical field of grinders and comprises a bean container, wherein a rotating shaft is rotatably arranged in the bean container, a conical grinding core is arranged at the lower end of the rotating shaft, and a grinding disc positioned at the periphery of the grinding core is fixedly arranged in the bean container; the powder container is arranged below the bean container; the adjusting piece is connected with the upper end of the rotating shaft and is adjustable along the axial direction of the rotating shaft; wherein, hold beans ware still sets up the supporting part that has the through-hole, and the upper end of pivot is passed the through-hole and is connected with the regulating part. According to the powder grinding device provided by the utility model, the rotating shaft is adjusted through the adjusting piece arranged at the upper end of the rotating shaft, so that the rotating shaft moves along the circumferential direction of the rotating shaft, and then the gap between the grinding core fixed at the lower end of the rotating shaft and the grinding disc positioned at the periphery of the grinding core is adjusted, so that the purpose of adjusting the thickness of powder ground by the powder grinding device is achieved, and the adjustment is convenient and rapid.

Description

Milling equipment

Technical Field

The utility model relates to the technical field of grinders, in particular to a grinding device.

Background

Coffee is a fashionable beverage and is widely appreciated by consumers, and the coffee processing process must go through a milling process, i.e., grinding coffee beans into coffee powder.

Ground coffee is most desirably ground before it is cooked because ground coffee tends to oxidize and lose flavor, and coffee powder also tends to become stale, especially if not properly stored.

The milling device is a milling tool that cuts coffee beans into coffee powder.

At present, among the prior art, chinese patent application with application number 201520674877.9 discloses a manual coffee bean crocus ware, include the beans container and locate the powder container of beans container below, the top of beans container is equipped with and waves the handle, wave the handle through pivot and the mill core fixed connection who is located beans container bottom, pivot and beans container rotatable coupling, the bottom fixedly connected with mill shell of beans container, mill the shell and be located the periphery of mill core, fixedly connected with round snap ring between mill shell and the beans container, powder container opening part is equipped with the back-off, the powder container passes through the back-off, the snap ring is the toper with the rotatory removable lock joint of beans container, be equipped with many mill grooves that are fan-shaped distribution on the mill core, the inboard axle center protrusion of mill shell, the mill shell internal surface is equipped with many mill lines sunken to the outside.

Although this kind of manual coffee bean crocus ware can realize the crocus process of coffee bean, nevertheless, because the interval between its mill core and the mill shell is fixed to can only grind out the powder of fixed thickness, can't adjust the fine and smooth degree of crocus as required, consequently, use is limited, and the structure remains to be optimized.

SUMMERY OF THE UTILITY MODEL

In order to overcome at least one of the defects of the prior art, the utility model provides a powder grinding device, which is used for optimizing the problem that the thickness of the ground powder cannot be adjusted by the existing powder grinder.

The technical scheme adopted by the utility model for solving the problems is as follows:

the utility model provides a milling device, which comprises a bean container, wherein a rotating shaft is rotatably arranged in the bean container, a conical grinding core is arranged at the lower end of the rotating shaft, and a grinding disc positioned at the periphery of the grinding core is fixedly arranged in the bean container; the powder container is arranged below the bean container; the adjusting piece is connected with the upper end of the rotating shaft and is adjustable along the axial direction of the rotating shaft; wherein, hold beans ware still sets up the supporting part that has the through-hole, and the upper end of pivot is passed the through-hole and is connected with the regulating part.

Through setting up like this, the regulating part is connected and is adjustable along the axis direction of pivot with the pivot upper end, thereby after installing the regulating part in the pivot, when the thickness degree of crocus needs to be adjusted, adjust the regulating part in the upper end of pivot along the axis direction, make its position change along the circumference of pivot, and then make the pivot adjust the removal along self axis direction, and then the clearance between the mill core of adjustment fixing the pivot lower extreme and the mill that is located the mill core periphery, thereby reach the purpose of adjusting the thickness degree of the powder that grinds through milling equipment, remedy prior art's defect from this, and because the regulating part sets up the upper end in the pivot, it is convenient to adjust, and is swift.

Further, the regulating part is a regulating sleeve, an internal thread hole is formed in the regulating sleeve, an external thread is arranged at the upper end of the rotating shaft, and the regulating sleeve is in threaded connection with the rotating shaft through the external thread and the internal thread hole.

Through setting up like this, through rotatory adjusting collar, make it rotatory for the pivot, and then make adjusting collar adjust along the axis direction of pivot, finally reach the purpose of adjusting the thickness degree of the powder that milling equipment ground, simple structure implements easily.

Furthermore, one side of the supporting part close to the upper end of the rotating shaft is provided with a first bearing in the through hole, and the adjusting part is abutted against the inner ring of the first bearing.

Through setting up like this, first bearing can reduce the mutual friction between pivot and the supporting part to the regulating part offsets with the inner circle of first bearing, makes the regulating part accomplish the back in the regulation, at the actual grinding in-process, can rotate along with the pivot, avoids the surface direct contact of regulating part and supporting part and produces the friction, and then makes to lead to taking place to rotate between regulating part and the pivot and the condition that leads to unexpected regulation appears.

As an alternative embodiment, a shaft sleeve is fixed on the rotating shaft, the shaft sleeve is rotatably connected with the supporting part, and the adjusting part is abutted against one side surface of the shaft sleeve towards the upper end of the rotating shaft.

Through setting up like this, replace pivot and supporting part to take place to rotate the friction through the axle sleeve, avoid pivot wearing and tearing to regulating part and axle sleeve offset can realize when the pivot rotates, and the regulating part rotates along with the pivot, avoids the surface direct contact of regulating part and supporting part and produces the friction, and then makes to lead to taking place to rotate between regulating part and the pivot and lead to the condition appearance of unexpected regulation.

Furthermore, one side of the supporting part close to the lower end of the rotating shaft is provided with a second bearing in the through hole, the rotating shaft is further sleeved with a first elastic part, one end of the first elastic part abuts against or is fixedly connected with an inner ring of the second bearing, and the other end of the first elastic part abuts against or is fixedly connected with a rod body or a grinding core of the rotating shaft.

Through setting up like this, the both ends of first elastic component respectively with the inner circle of second bearing, the pole body or the mill core of pivot offset or are connected, thereby first elastic component can follow the pivot and rotate, and first elastic component can provide the elastic force for the pivot, make it have the motion trend of keeping away from the supporting part direction, adjust the mill core at the regulating part, when making it move down, first elastic component can make and have certain tensile force between pivot and the supporting part, avoid rocking from top to bottom of mill core, be favorable to keeping the stability of mill core, mill core and supporting part or mill striking and damage when avoiding will holding beans ware and invert.

Furthermore, the upper end of the rotating shaft is fixedly connected with a connecting sleeve, and the connecting sleeve can be abutted against the surface of one side of the adjusting sleeve, which is away from the grinding core.

Through setting up like this, adjust the rebound along the axis direction of pivot when the adjusting collar, the adjusting collar deviates from the surface and the adapter sleeve of grinding core one side and offsets to the adapter sleeve can carry on spacingly to the adjusting collar, avoids adjusting collar and pivot to break away from.

Furthermore, the holding tank has been seted up to the one end that the adjusting collar deviates from the core, and the holding tank is seted up and is communicated with the internal thread hole is coaxial, and the inner wall of holding tank is provided with a plurality of butt grooves along its circumference, and the adapter sleeve is installed in the holding tank, still is provided with butt piece and second elastic component on the adapter sleeve, and the butt piece sets up along the orientation activity of seting up of perpendicular to holding tank, and the second elastic component is connected with the butt piece and drives butt piece and counterbalance with the butt groove.

Through setting up like this, the second elastic component provides the elastic force of butt in butt groove for the butt, thereby enable the adjusting collar when not receiving external force drive to rotate, can keep fixed with the adapter sleeve, also keep and pivot relatively fixed, until the adjusting collar is rotatory under the effect of external force, for example when manual application of force is twisted and is moved the adjusting collar rotation, the adjusting collar is rotatory for the adapter sleeve, and drive butt removal and compression second elastic component, until external force removes, the second elastic component resumes deformation, make butt in butt groove, the adjusting collar keeps relatively fixed with the pivot, thereby the relative interval that the abrasive core can remain stable with the mill, with the powder that can grind out the same thickness degree.

Furthermore, the connecting sleeve is provided with an adjusting indicating line, and the adjusting sleeve is provided with a plurality of scale mark lines along the circumferential direction.

Through setting up like this, adjust the fixed reference of instruction line conduct regulation, the scale mark line makes adjusting personnel can the visual observation adjusting collar adjust position and direction, plays the effect of supplementary regulation, is favorable to the accurate crocus thickness of adjusting to improve the efficiency of adjusting or debugging.

Furthermore, the upper end of the rotating shaft is provided with an inserting end, the connecting sleeve is sleeved on the inserting end, and a fixing screw fixed with the rotating shaft through threads is arranged on the connecting sleeve in a penetrating mode.

Through setting up like this, can assemble again after processing pivot and adapter sleeve alone, reduce the processing degree of difficulty.

Furthermore, a rotating handle is fixedly connected to the rotating shaft.

Through setting up like this, drive the pivot through turning handle and rotate to for the pivot provides rotation power in order to carry out the crocus action.

Further, the grinding core comprises a body and a fixing component, the body is sleeved at the lower end of the rotating shaft, and the fixing component is used for connecting and fixing the body and the rotating shaft.

Through setting up like this, can process the back alone with body and pivot, the fixed subassembly of rethread assembles an organic whole, reduces the processing degree of difficulty

Furthermore, a first connecting hole is formed in the connecting sleeve along the penetrating direction perpendicular to the fixing screw, and the rotating handle penetrates into the first connecting hole.

Through setting up like this, be convenient for be connected the twist grip with the pivot, connect swiftly.

Furthermore, a second connecting hole is formed in the rotating handle, and the fixing screw penetrates through the second connecting hole to be fixed with the rotating shaft through threads.

Through setting up like this, set screw passes second connecting hole and pivot thread tightening, both is fixed in the adapter sleeve in the pivot, also is fixed in the adapter sleeve with turning handle for adapter sleeve, turning handle, pivot three are fixed, compact structure, connect firmly.

Further, the fixing screw is coaxially screwed to the upper end of the rotating shaft.

Through setting up like this, be convenient for equipment and processing reduce the processing degree of difficulty.

Furthermore, the fixing screw is also sleeved with a flexible gasket, and the flexible gasket is positioned between the end part of the fixing screw and the connecting sleeve and is abutted against the end part of the fixing screw and the connecting sleeve.

Through setting up like this, flexible packing ring can provide the elastic force of a pivot direction of keeping away from to set screw, and after set screw is fixed, if the vibration and when little joint clearance appears, flexible packing ring makes set screw and pivot appear the effect that rises, makes both connect firmly, reduces set screw and takes place great not hard up probably because of the vibration.

As an alternative implementation mode, the upper end of the rotating shaft is provided with a plurality of adjusting holes along the axis of the rotating shaft, and the adjusting piece is an adjusting rod which is in inserted connection and matching with the adjusting holes.

Through setting up like this, peg graft in the regulation hole that is located the pivot axis direction difference through adjusting the pole and lead to for the regulating part can be adjustable in the axis direction of pivot, and then makes the pivot can be adjustable along its axis direction, finally reaches the effect of adjusting crocus thickness degree.

Furthermore, a mounting plate extending to the center is fixed on the inner wall of the bean container, and the mounting part is arranged on the mounting plate and is positioned in the center of the bean container.

Through setting up like this, the unloading is improved to the regional interior unloading except the mounting panel from each direction in the top of the beans ware is held to the accessible to still be convenient for observe the grinding condition of the material of holding in the beans ware each position, be convenient for in good time adjust, in order to reach the purpose of even grinding.

Further, the grinding core is in a forward conical shape and is arranged outside the bean container, or the grinding core is in an inverted conical shape and is arranged in the bean container.

Through setting up like this, the function of grinding is realized to two kinds of mode homoenergetic that set up, according to the position of volumetric design needs selection abrasive core, for example, when needing large-capacity milling equipment, will grind the core and set up to just toper, with it setting outside holding the beans ware, and when needing little volumetric sealing device, will grind the core and set up to the back taper, with it setting in holding the beans ware.

According to the technical scheme, the embodiment of the utility model at least has the following advantages and positive effects:

1) the rotating shaft is adjusted through the adjusting piece arranged at the upper end of the rotating shaft, so that the rotating shaft moves along the circumferential direction of the rotating shaft, and then the gap between the grinding core fixed at the lower end of the rotating shaft and the grinding disc positioned at the periphery of the grinding core is adjusted, so that the purpose of adjusting the thickness degree of powder ground by the grinding device is achieved, and the adjustment is convenient and quick;

2) the adjusting piece is arranged as an adjusting sleeve, the adjusting sleeve is rotated relative to the rotating shaft by rotating the adjusting sleeve, the purpose of adjusting the thickness degree of powder ground by the grinding device is finally achieved, and the structure is simple and easy to implement;

3) the first elastic piece is arranged, so that a certain tension force is formed between the rotating shaft and the supporting part, the grinding core is prevented from shaking up and down, the stability of the grinding core is kept, and the grinding core is prevented from being damaged by collision with the supporting part or the grinding disc when the bean container is inverted;

4) the connecting sleeve is arranged, so that the adjusting sleeve can be limited, and the adjusting sleeve is prevented from being separated from the rotating shaft;

5) the connecting sleeve is provided with the abutting part and the second elastic part, so that the adjusting sleeve and the rotating shaft can be relatively fixed, and the grinding core and the grinding disc can keep a stable relative distance so as to grind powder with the same thickness;

6) set up on the side of adapter sleeve and adjust the indicating line, set up scale mark line on adjusting the cover, play the effect of supplementary regulation, be favorable to the accurate crocus thickness of adjusting to improve the efficiency of adjusting or debugging.

Drawings

FIG. 1 is an exploded view of the overall structure of a milling apparatus according to example 1 of the present invention;

FIG. 2 is a plan view of a milling apparatus according to example 1 of the present invention;

FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a schematic structural view of a connecting sleeve in embodiment 1 of the present invention;

FIG. 7 is a schematic structural view of an adjusting collar in embodiment 1 of the present invention;

fig. 8 is a schematic structural view of a rotating shaft in embodiment 1 of the present invention.

Wherein the reference numerals have the following meanings:

1. a bean container; 2. a powder container; 201. an insertion boss part; 2011. a magnetic block; 3. grinding the core; 301. a body; 302. a fixing assembly; 3021. fixing the disc; 3022. a threaded fastener; 4. a grinding disc; 401. A first member; 402. a second component; 4021. grinding the teeth; 403. an end cap component; 5. a rotating shaft; 501. An external thread; 502. a blocking portion; 503. a plug end; 6. an adjustment member; 601. an adjusting sleeve; 6011. an internally threaded bore; 6012. accommodating grooves; 60121. a butt joint groove; 6013. scale mark lines; 6014. marking a numerical value; 6015. an abutting portion; 7. a support portion; 701. a through hole; 702. mounting grooves; 8. a first bearing; 801. an inner ring; 802. an outer ring; 9. a second bearing; 10. a first elastic member; 11. a stopper; 12. Connecting sleeves; 1201. an abutting member; 1202. a second elastic member; 1203. abutting the shoulder; 1204. adjusting an indicator line; 1205. a mating hole; 1206. a first connection hole; 13. a set screw; 14. rotating the handle; 1401. a second connection hole; 15. a flexible gasket; 16. mounting a plate; 17. and (4) anti-skid lines.

Detailed Description

For better understanding and implementation, 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Example 1

Referring to fig. 1-8, the utility model discloses a flour milling device, which comprises a bean container 1, a grinding structure arranged in the bean container 1 and a flour container 2 arranged below the bean container 1, wherein the grinding structure comprises a grinding core 3 and a grinding disc 4, a rotating shaft 5 is rotatably arranged in the bean container 1, the grinding core 3 is arranged at the lower end of the rotating shaft 5, the grinding core 3 is conical, and the grinding disc 4 is fixed in the bean container 1 and is positioned at the periphery of the grinding core 3;

the milling device also comprises an adjusting piece 6, and the adjusting piece 6 is connected with the upper end of the rotating shaft 5 and is adjustable along the axial direction of the rotating shaft 5; wherein, the bean container 1 is also provided with a supporting part 7 with a through hole 701, and the upper end of the rotating shaft 5 passes through the through hole 701 and is connected with the adjusting part 6.

Referring to fig. 3 to 5, in the present embodiment, the adjusting member 6 is an adjusting sleeve 601, an internal threaded hole 6011 is disposed on the adjusting sleeve 601, an external thread 501 is disposed at the upper end of the rotating shaft 5, and the adjusting sleeve 601 and the rotating shaft 5 are in threaded connection with the internal threaded hole 6011 through the external thread 501.

After installing regulating part 6 in pivot 5, when needing to adjust the thickness degree of crocus, through rotatory adjusting collar 601, make it rotatory for pivot 5, and then make adjusting collar 601 adjust along the axis direction of pivot 5, make its position variation along the circumference of pivot 5, and then make pivot 5 adjust the removal along self axis direction, and then the adjustment is fixed at the mill core 3 of pivot 5 lower extreme and is located the clearance between the mill 4 of mill core 3 periphery, thereby reach the purpose of adjusting the thickness degree of the powder that grinds through milling equipment, remedy prior art's defect from this, and because regulating part 6 sets up the upper end at pivot 5, it is convenient to adjust, and is swift.

Referring to fig. 1, 3 and 4, as a preferred embodiment, a first bearing 8 is disposed in a through hole 701 at one side of the support portion 7 near the upper end of the rotating shaft 5, the adjusting element 6 abuts against an inner ring 801 of the first bearing 8, and an outer ring 802 of the second bearing 9 is fixed to the support portion 7.

Referring to fig. 1, 3 and 4, as a preferred embodiment, a second bearing 9 is disposed in the through hole 701 at one side of the supporting portion 7 close to the lower end of the rotating shaft 5, a first elastic element 10 is further sleeved on the rotating shaft 5, one end of the first elastic element 10 abuts against or is fixedly connected to an inner ring 801 of the second bearing 9, and the other end of the first elastic element 10 abuts against or is fixedly connected to a shaft or a grinding core 3 of the rotating shaft 5.

In this embodiment, the first elastic member 10 is a compression spring, and in other possible embodiments, the first elastic member 10 may also be rubber or silicone.

Referring to fig. 1, 3 and 4, as a preferred embodiment, a stopper 11 is further sleeved on the rotating shaft 5, a mounting groove 702 for mounting the stopper 11 is further provided at the lower end of the supporting portion 7, the stopper 11 abuts against the lower end surface of the second bearing 9 and is snap-mounted in the mounting groove 702, and the stopper 11 can prevent the second bearing 9 from loosening or falling off.

Referring to fig. 1, 3, 4 and 8, as a preferred embodiment, a stopper 502 is integrally formed on a shaft of the rotating shaft 5, and one end of the first elastic member 10 abuts against the stopper 11 and the other end abuts against the stopper 502.

Referring to fig. 1, 3, 4, 5 and 6, as a preferred embodiment, a connecting sleeve 12 is further fixedly connected to the upper end of the rotating shaft 5, and the connecting sleeve 12 can abut against the surface of the adjusting sleeve 601 on the side away from the grinding core 3.

Referring to fig. 1, 3, 4, 5, and 7, as a preferred embodiment, an accommodating groove 6012 is formed at one end of the adjusting sleeve 601 facing away from the grinding core 3, the accommodating groove 6012 is coaxially formed with and communicated with the internal threaded hole 6011, a plurality of abutting grooves 60121 are formed on an inner wall of the accommodating groove 6012 along a circumferential direction thereof, the connecting sleeve 12 is installed in the accommodating groove 6012, an abutting member 1201 and a second elastic member 1202 are further disposed on the connecting sleeve 12, the abutting member 1201 is movably disposed along an opening direction perpendicular to the accommodating groove 6012, and the second elastic member 1202 is connected with the abutting member 1201 and drives the abutting member 1201 to abut against the abutting grooves 60121.

Referring to fig. 5 and 6, in a preferred embodiment, the accommodating groove 6012 and the internal threaded hole 6011 form an abutting portion 6015, an abutting shoulder 1203 is disposed on one side of the connecting sleeve 12 facing the abutting portion 6015, and the abutting portion 6015 can abut against the abutting shoulder 1203 of the connecting sleeve 12, so that the abutting shoulder 1203 of the connecting sleeve 12 limits the adjusting range of the adjusting sleeve 601 and prevents the adjusting sleeve 601 from being disengaged from the rotating shaft 5.

In this embodiment, the second elastic member 1202 is a compression spring, and in other possible embodiments, the first elastic member 10 may also be rubber or silicone.

Referring to fig. 6 and 7, as a preferred embodiment, an adjustment indicating line 1204 is provided on the connecting sleeve 12, and a plurality of scale marks 6013 are provided on the adjusting sleeve 601 along the circumferential direction thereof.

Preferably, the adjustment indication line 1204 is provided on the side of the connection sleeve 12.

Further, a specific numerical mark 6014 may be disposed beside the graduation mark 6013 for further convenience of adjustment.

Referring to fig. 1, 2, 3, 4 and 8, as a preferred embodiment, an insertion end 503 is disposed at an upper end of the rotating shaft 5, a connecting sleeve 12 is sleeved on the insertion end 503, and a fixing screw 13 screwed to the rotating shaft 5 is disposed on the connecting sleeve 12.

Referring to fig. 6 and 8, the insertion end 503 has a non-circular cross section, and the connection sleeve 12 has a matching hole 1205 matching therewith, so as to reduce the rotation of the connection sleeve 12 and the insertion end 503, and to ensure that the connection sleeve 12 and the insertion end 503 are connected firmly.

Referring to fig. 1, 2, 3 and 4, as a preferred embodiment, a rotating handle 14 is fixedly connected to the rotating shaft 5.

Referring to fig. 1, 3 and 4, as a preferred embodiment, the grinding core 3 includes a body 301 and a fixing element 302, the body 301 is sleeved on the lower end of the rotating shaft 5, and the fixing element 302 connects and fixes the body 301 and the rotating shaft 5.

The fixing assembly 302 includes a fixing plate 3021 and a screw fastener 3022, and when the body 301 is connected to the fixing assembly 302, the fixing plate 3021 is fixed to the body 301 by the screw fastener 3022.

Referring to fig. 1 to 4, as a preferred embodiment, the connection sleeve 12 is provided with a first connection hole 1206 along a direction perpendicular to the penetrating direction of the fixing screw 13, and the rotating handle 14 penetrates into the first connection hole 1206.

The first connecting hole 1206 can be a blind hole or a through hole 701, and in the embodiment, the first connecting hole 1206 is a through hole 701.

Referring to fig. 1 to 4, as a preferred embodiment, a second connection hole 1401 is further formed on the rotating handle 14, and the fixing screw 13 is screwed to the rotating shaft 5 through the second connection hole 1401.

Referring to fig. 1 to 4, as a preferred embodiment, a set screw 13 is coaxially screw-coupled to an upper end portion of the rotation shaft 5.

Referring to fig. 1, 3 and 4, as a preferred embodiment, the fixing screw 13 is further sleeved with a flexible washer 15, and the flexible washer 15 is located between the end of the fixing screw 13 and the connecting sleeve 12 and abuts against the end of the fixing screw and the connecting sleeve.

Referring to fig. 2 and 4, an installation plate 16 extending to the center is fixed on the inner wall of the bean container 1, and the installation part is arranged on the installation plate 16 and located at the center of the bean container 1.

Further, the grinding core 3 is in a forward conical shape and is arranged outside the bean container 1, or the grinding core 3 is in an inverted conical shape and is arranged in the bean container 1.

Referring to fig. 1, 3 and 4, as a preferred embodiment, the grinding core 3 is in a regular cone shape and is disposed outside the bean container 1.

Referring to fig. 1, 3 and 4, as a preferred embodiment, an insertion boss portion 201 is disposed at an upper end of the powder container 2, and an insertion groove (not labeled) engaged with the insertion boss portion 201 is disposed at a lower end of the bean container 1, and the powder container 2 and the bean container 1 are fixed by inserting the insertion boss portion 201 into the insertion groove.

Referring to fig. 1, 3 and 4, as a preferred embodiment, a magnetic block 2011 is arranged on the insertion boss portion 201, the magnetic block 2011 can be fixed with the bean container 1 in a magnetic manner, and is fixed with the bean container 1 in a magnetic manner through the magnetic block 2011, so that the stability of fixing the bean container 1 and the powder container 2 can be improved, the two are convenient to separate, and the structure is simple.

Referring to fig. 1, as a preferred embodiment, the outer walls of the bean container 1 and the powder container 2 are further provided with anti-slip lines 17, which are convenient for grasping the bean container and the powder container and reduce influence of slipping on use.

Referring to fig. 1, 3 and 4, as a preferred embodiment, the grinding disc 4 includes a first component 401, a second component 402 and an end cap component 403, wherein the first component 401 is fixed to the bean container 1 by a screw thread, the second component 402 has grinding teeth 4021 matched with the grinding core 3 and is nested with the first component 401, and the end cap component 403 is used for fixing the second component 402 to the first component 401 and has a property of being capable of being adsorbed by a magnetic block 2011, so as to be conveniently adsorbed and fixed to the magnetic block 2011 of the powder container 2; the structure design is convenient to process and can be disassembled for cleaning and maintenance.

The application process and principle of the embodiment of the utility model are as follows:

the rotating shaft 5 is driven to rotate by rotating the handle 14, the rotating shaft 5 is fixed with the connecting sleeve 12, and the adjusting sleeve 601 is abutted against the inner ring 801 of the first bearing 8, so that the adjusting sleeve 601 and the connecting sleeve 12 rotate along with the rotation of the rotating shaft 5, the material to be ground, such as coffee beans, in the bean container 1 is ground by the relative movement of the grinding core 3 and the grinding teeth 4021 on the grinding disc 4, and the powder falls from a gap between the grinding core 3 and the grinding disc 4 to the powder container 2 below and is collected.

When the fineness of the ground powder needs to be adjusted, for example, when the ground powder needs to be ground to obtain finer powder, the adjusting sleeve 601 is rotated relative to the rotating shaft 5 and moves downwards along the axial direction of the rotating shaft 5, so that the grinding core 3 at the lower end of the rotating shaft 5 is driven to move upwards and the second elastic member 1202 is compressed, and the gap between the grinding core 3 and the grinding teeth 4021 in the grinding disc 4 is reduced, thereby achieving the purpose of grinding finer powder.

When coarser powder needs to be obtained by grinding, the adjustment process is opposite, the adjustment sleeve 601 is rotated to rotate relative to the rotating shaft 5 and move upwards along the axial direction of the rotating shaft 5, so that the grinding core 3 at the lower end of the rotating shaft 5 is driven to move downwards, and the downward movement of the grinding core 3 can depend on the dead weight.

Example 2

The utility model discloses another grinding device, which is different from the embodiment 1 only in that a shaft sleeve is fixed on a rotating shaft 5, the shaft sleeve is rotatably connected with a supporting part 7, and an adjusting part 6 is abutted against one side surface of the shaft sleeve facing the upper end of the rotating shaft 5.

Replace pivot 5 and supporting part 7 to take place the running friction through the axle sleeve, avoid pivot 5 wearing and tearing to regulating part 6 offsets with the axle sleeve, can realize when pivot 5 rotates, regulating part 6 rotates along with pivot 5, avoids regulating part 6 and supporting part 7's surface direct contact and produces the friction, and then makes to lead to taking place to rotate between regulating part 6 and the pivot 5 and the condition that leads to unexpected regulation appears.

Example 3

The utility model discloses another grinding device, which is different from the grinding device in embodiment 1 only in that a plurality of adjusting holes are formed in the upper end of a rotating shaft 5 along the axis of the rotating shaft, and an adjusting piece 6 is an adjusting rod in inserted connection and matching with the adjusting holes.

In summary, the milling device provided by the utility model adjusts the rotating shaft 5 through the adjusting piece 6 arranged at the upper end of the rotating shaft 5, so that the rotating shaft 5 moves along the circumferential direction, and further, the gap between the grinding core 3 fixed at the lower end of the rotating shaft 5 and the grinding disc 4 positioned at the periphery of the grinding core 3 is adjusted, thereby achieving the purpose of adjusting the thickness degree of powder ground by the milling device, and having the advantages of convenient and rapid adjustment, compact and simple structure.

The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims (10)

1. A milling apparatus, comprising:

the bean container (1) is internally and rotatably provided with a rotating shaft (5), the lower end of the rotating shaft (5) is provided with a conical grinding core (3), and a grinding disc (4) positioned at the periphery of the grinding core (3) is fixedly arranged in the bean container (1);

a powder container (2) arranged below the bean container (1); and

the adjusting piece (6) is connected with the upper end of the rotating shaft (5) and is adjustable along the axial direction of the rotating shaft (5);

the bean container (1) is further provided with a supporting part (7) with a through hole (701), and the upper end of the rotating shaft (5) penetrates through the through hole (701) and is connected with the adjusting part (6).

2. The milling apparatus as claimed in claim 1, characterized in that the adjusting member (6) is an adjusting sleeve (601), an internal threaded hole (6011) is provided on the adjusting sleeve (601), an external thread (501) is provided on the upper end of the rotating shaft (5), and the adjusting sleeve (601) and the rotating shaft (5) are in threaded connection with the internal threaded hole (6011) through the external thread (501).

3. A mill apparatus as claimed in claim 1, characterized in that the side of the support (7) which is situated at the upper end of the shaft (5) in the through-hole (701) is provided with a first bearing (8), the adjusting element (6) abutting against the inner ring (801) of the first bearing (8).

4. The milling device as claimed in any one of claims 1 to 3, wherein a second bearing (9) is provided in the through hole (701) on one side of the support (7) near the lower end of the rotating shaft (5), the rotating shaft (5) is further sleeved with a first elastic member (10), one end of the first elastic member (10) abuts against or is fixedly connected with an inner ring (801) of the second bearing (9), and the other end abuts against or is fixedly connected with a shaft body of the rotating shaft (5) or the milling core (3).

5. The grinding device as claimed in claim 2, characterized in that a connecting sleeve (12) is fixedly connected to the upper end of the rotary shaft (5), and the connecting sleeve (12) can abut against the surface of the adjusting sleeve (601) on the side facing away from the grinding core (3).

6. The milling device as claimed in claim 5, wherein an accommodating groove (6012) is formed in one end of the adjusting sleeve (601) facing away from the milling core (3), the accommodating groove (6012) is coaxially formed with and communicated with the internal threaded hole (6011), a plurality of abutting grooves (60121) are formed in the inner wall of the accommodating groove (6012) along the circumferential direction of the accommodating groove, the connecting sleeve (12) is installed in the accommodating groove (6012), an abutting piece (1201) and a second elastic piece (1202) are further arranged on the connecting sleeve (12), the abutting piece (1201) is movably arranged in the direction perpendicular to the forming direction of the accommodating groove (6012), and the second elastic piece (1202) is connected with the abutting piece (1201) and drives the abutting piece (1201) to abut against the abutting groove (60121).

7. The milling apparatus as claimed in claim 5 or 6, characterized in that the connecting sleeve (12) is provided with an adjustment indicating line (1204), and the adjusting sleeve (601) is provided with a plurality of graduation marking lines (6013) along its circumference.

8. The grinding device as claimed in claim 5 or 6, characterized in that an insertion end (503) is provided at the upper end of the rotating shaft (5), the connecting sleeve (12) is sleeved on the insertion end (503), and a fixing screw (13) which is fixed with the rotating shaft (5) through a thread is arranged on the connecting sleeve (12).

9. A mill apparatus as claimed in claim 1, characterised in that a turning handle (14) is fixedly connected to the shaft (5).

10. The grinding device as claimed in claim 1, characterized in that the grinding core (3) comprises a body (301) and a fixing component (302), the body (301) is sleeved on the lower end of the rotating shaft (5), and the fixing component (302) connects and fixes the body (301) and the rotating shaft (5).

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