阅读说明：本技术 一种便携式咖啡研磨机及咖啡研磨方法 (Portable coffee grinder and coffee grinding method ) 是由 石荣强 于 2021-11-11 设计创作，主要内容包括：本发明公开了一种便携式咖啡研磨机,包括研磨桶,所述研磨桶两端为开口结构,且研磨桶下端螺纹连接有接料杯,所述研磨桶上端滑动设有滑套,滑套上部固定连接有挡环,挡环与研磨桶之间设有导向滑动组件,所述研磨桶上端与滑套同轴设有固定盘,固定盘上部中间位置处垂直固定插设有转轴,且转轴下端穿过固定盘底面并向下延伸,本发明,区别于传统的摇杆和端盖与研磨桶分离式的研磨机,进料时不需取下摇杆与端盖,一体化程度更高,操作步骤简化,使用体验较好,摇动摇杆反复循环,实现间歇性进料,使得咖啡豆连续性分批进料,使得内部研磨更充分彻底,提高研磨效果。(The invention discloses a portable coffee grinder, which comprises a grinding barrel, wherein two ends of the grinding barrel are of opening structures, the lower end of the grinding barrel is connected with a receiving cup through screw threads, the upper end of the grinding barrel is provided with a sliding sleeve in a sliding manner, the upper part of the sliding sleeve is fixedly connected with a baffle ring, a guide sliding component is arranged between the baffle ring and the grinding barrel, the upper end of the grinding barrel and the sliding sleeve are coaxially provided with a fixed disc, a rotating shaft is vertically and fixedly inserted in the middle position of the upper part of the fixed disc, and the lower end of the rotating shaft passes through the bottom surface of the fixed disc and extends downwards, the invention is different from the traditional grinder with a rocker and an end cover separated from a grinding barrel, the rocker and the end cover do not need to be taken down during feeding, the integration degree is higher, the operation steps are simplified, the use experience is better, the rocker is shaken to repeatedly circulate, the intermittent feeding is realized, the coffee beans are continuously fed in batches, so that the internal grinding is more sufficient and thorough, and the grinding effect is improved.)

1. A portable coffee grinder comprises a grinding barrel (1) and is characterized in that two ends of the grinding barrel (1) are of an open structure, a material receiving cup (2) is connected to the lower end of the grinding barrel (1) in a threaded manner, a sliding sleeve (15) is arranged at the upper end of the grinding barrel (1) in a sliding manner, a baffle ring (4) is fixedly connected to the upper portion of the sliding sleeve (15), a guide sliding assembly is arranged between the baffle ring (4) and the grinding barrel (1), a fixed disc (9) is coaxially arranged at the upper end of the grinding barrel (1) and the sliding sleeve (15), a rotating shaft (5) is vertically and fixedly inserted in the middle position of the upper portion of the fixed disc (9), the lower end of the rotating shaft (5) penetrates through the bottom surface of the fixed disc (9) and extends downwards, the lower end of the rotating shaft (5) is connected with a key of a grinding mechanism inside the grinding barrel (1) after being inserted, a rocker (3) is rotatably connected to the upper end of the rotating shaft (5), and a hand-held rotating column (16) is arranged at one end, far away from the grinding barrel (1), of the rocker (3), and a pressing mechanism is arranged between the rocker (3) and the baffle ring (4).

2. The portable coffee grinder of claim 1, characterized in that the lower part of the fixed plate (9) is fixedly connected with a plurality of L-shaped columns (8) along one circle thereof, and the other ends of the L-shaped columns (8) are fixedly connected with the inner wall of the grinding barrel (1), the upper part of the fixed plate (9) is of a conical surface structure, the lower circle of the inner wall of the sliding sleeve (15) is of an inclined surface structure, and an annular feeding channel is formed between one side of the inclined surface and the fixed plate (9) after the sliding sleeve (15) moves upwards.

3. The portable coffee grinder of claim 2, characterized in that the guiding sliding assembly comprises a guiding column (7) vertically fixed along a circle of the lower portion of the retaining ring (4), a plurality of circular grooves (17) are formed in a circle of the upper end of the grinding barrel (1), the lower ends of the guiding column (7) are respectively inserted into the circular grooves (17) in a sliding manner, a first spring (10) is vertically fixed on the bottom wall of the circular groove (17), and the upper end of the first spring (10) is fixedly connected to the lower end of the guiding column (7).

4. A portable coffee grinder as claimed in claim 3, characterised in that the pressing mechanism comprises a vertically fixed sleeve (11) on one side of the lower part of the rocker (3), a top pillar (14) is slidably inserted into the lower end of the sleeve (11), an elastic abutting member is arranged in the sleeve (11), a horizontal pin (12) is horizontally fixed on the upper part of one side of the top pillar (14), a roller (13) is rotatably arranged on one end of the horizontal pin (12) far away from the top pillar (14), and the roller (13) is in abutting contact with the upper part of the retaining ring (4).

5. A portable coffee grinder as claimed in claim 4, characterised in that the upper end of the grinding bowl (1) is provided with a circular groove (6) along one of its circles, and the inner bottom surface of the circular groove (6) is divided into a deep groove portion and a shallow groove portion, and the lower end of the top pillar (14) is slidably arranged in the circular groove (6).

6. A portable coffee grinder as claimed in claim 4, characterised in that said elastic abutment comprises a second spring (18) fixedly connected to the inner top wall of the sleeve (11), and the lower end of the second spring (18) is fixedly connected to the upper end of the top post (14), said second spring (18) having a greater elastic force than the first spring (10).

7. A portable coffee grinder as claimed in claim 4, characterised in that the resilient abutment member comprises a magnetic block (19) fixedly arranged on the top wall of the interior of the sleeve (11) and on the upper end of the plunger (14), and the two magnetic blocks (19) are magnetically repulsive, the repulsive force of the two magnetic blocks (19) being greater than the resilient force of the first spring (10).

8. A grinding method of a portable coffee grinder, according to claims 1-7, characterized in that it comprises the following steps:

s1: holding the grinding barrel by hand and shaking a rocker, detecting whether the rotating shaft rotates normally, judging whether the internal grinding mechanism rotates normally by sound, lifting up and down to press the rocker, and observing whether the rocker rotates normally along the rotating shaft;

s2: disassembling the lower material receiving cup, pouring a proper amount of coffee beans into the material receiving cup, and then pouring the coffee beans into the middle opening of the sliding sleeve by using the material receiving cup so that the coffee beans are contained between the inner wall of the sliding sleeve and the upper part of the fixed disc;

s3: then manually shaking the rocker to drive the rotating shaft to rotate, wherein the rotating shaft drives the grinding mechanism in the grinding barrel to grind, the sliding sleeve slides up and down in the rotating process of the rocker, and the coffee beans sequentially enter the grinding barrel in batches;

s4: after all coffee beans contained in the sliding sleeve are discharged and ground, detaching the material receiving cup at the lower part again, kneading ground coffee powder by using fingers, and observing whether larger particles which are not ground completely exist;

s5: if larger particles exist, the coffee powder in the receiving cup needs to be poured into the slip sleeve again, the materials are fed again for grinding until the materials are completely ground into powder, finally the coffee powder is taken out, and the coffee machine is cleaned.

Technical Field

The invention relates to the technical field of coffee grinding, in particular to a portable coffee grinder and a coffee grinding method.

Background

Coffee is a beverage made from roasted and ground coffee beans. As one of three major beverages in the world, the coffee bean is popular with cocoa and tea as main beverages in the world, the coffee tree belongs to the family of rubiaceae and is perennial evergreen shrub or small arbor, coffee for daily drinking is made by matching coffee beans with various cooking appliances, the coffee beans refer to kernels in coffee tree fruits and are baked by using a proper method, and with the increasing population drinking coffee, a hand-operated portable coffee machine gradually enters into the homes of people, so that people can grind and brew coffee at any time and any place.

However, the conventional portable coffee grinder needs to take down the hand crank and the end cover when feeding materials, and then a proper amount of coffee beans are poured in once again, so that the feeding of people is inconvenient, and the design of separating the hand crank from the grinding barrel easily causes a certain part to be lost.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a portable coffee grinder and a coffee grinding method.

The invention provides a portable coffee grinder and a coffee grinding method, which comprise a grinding barrel, wherein two ends of the grinding barrel are of an opening structure, the lower end of the grinding barrel is in threaded connection with a receiving cup, the upper end of the grinding barrel is provided with a sliding sleeve in a sliding mode, the upper part of the sliding sleeve is fixedly connected with a baffle ring, a guide sliding assembly is arranged between the baffle ring and the grinding barrel, the upper end of the grinding barrel and the sliding sleeve are coaxially provided with a fixed disc, a rotating shaft is vertically and fixedly inserted in the middle of the upper part of the fixed disc, the lower end of the rotating shaft penetrates through the bottom surface of the fixed disc and extends downwards, the lower end of the rotating shaft is connected with a grinding mechanism inside the grinding barrel after being inserted, the upper end of the rotating shaft is rotatably connected with a rocker, one end, away from the grinding barrel, of the rocker is rotatably provided with a hand-holding rotating column, and a pressing mechanism is arranged between the rocker and the baffle ring.

Preferably, a plurality of L shape posts of fixed disk lower part along its a circle fixedly connected with, and L shape post other end fixed connection in grinding barrel inner wall, fixed disk upper portion is conical surface structure, sliding sleeve inner wall lower part round is the inclined plane structure, and forms an annular feedstock channel between sliding sleeve back inclined plane one side and the fixed disk after shifting up.

Preferably, the guide sliding assembly comprises a guide post vertically fixed along one circle of the lower portion of the baffle ring, a plurality of circular grooves are formed in the circle of the upper end of the grinding barrel, the lower ends of the guide posts are respectively inserted into the circular grooves in a sliding mode, a first spring is vertically fixed on the bottom wall of each circular groove, and the upper end of each first spring is fixedly connected to the lower end of each guide post.

Preferably, the pressing mechanism comprises a sleeve which is vertically and fixedly connected with one side of the lower portion of the rocker, a top column is inserted into the lower end of the sleeve in a sliding mode, an elastic abutting piece is arranged in the sleeve, a transverse pin is horizontally fixed to the upper portion of one side of the top column, a roller is rotatably arranged at one end, away from the top column, of the transverse pin, and the roller is abutted to the upper portion of the blocking ring in tight contact.

Preferably, the grinding barrel is provided with a ring groove along one circle at the upper end, the inner bottom surface of the ring groove is divided into a deep groove part and a shallow groove part, and the lower end of the top column is arranged in the ring groove in a sliding manner.

Preferably, the elastic abutting piece comprises a second spring fixedly connected with the top wall inside the sleeve, the lower end of the second spring is fixedly connected with the upper end of the top column, and the elastic force of the second spring is greater than that of the first spring.

Preferably, the elastic abutting piece comprises magnetic blocks fixedly arranged on the top wall inside the sleeve and the upper end of the top column, the two magnetic blocks repel each other in magnetic property, and the repulsive force of the two magnetic blocks is larger than the elastic force of the first spring.

A grinding method of a portable coffee grinder, characterized by comprising the steps of:

s: holding the grinding barrel by hand and shaking a rocker, detecting whether the rotating shaft rotates normally, judging whether the internal grinding mechanism rotates normally by sound, lifting up and down to press the rocker, and observing whether the rocker rotates normally along the rotating shaft;

s: disassembling the lower material receiving cup, pouring a proper amount of coffee beans into the material receiving cup, and then pouring the coffee beans into the middle opening of the sliding sleeve by using the material receiving cup so that the coffee beans are contained between the inner wall of the sliding sleeve and the upper part of the fixed disc;

s: then manually shaking the rocker to drive the rotating shaft to rotate, wherein the rotating shaft drives the grinding mechanism in the grinding barrel to grind, the sliding sleeve slides up and down in the rotating process of the rocker, and the coffee beans sequentially enter the grinding barrel in batches;

s: after all coffee beans contained in the sliding sleeve are discharged and ground, detaching the material receiving cup at the lower part again, kneading ground coffee powder by using fingers, and observing whether larger particles which are not ground completely exist;

s: if larger particles exist, the coffee powder in the receiving cup needs to be poured into the slip sleeve again, the materials are fed again for grinding until the materials are completely ground into powder, finally the coffee powder is taken out, and the coffee machine is cleaned.

The beneficial effects of the invention are as follows:

1. sliding sleeve and grinding barrel upper end through the upper end slip setting in the grinding barrel and the fixed disk that the coaxial fixed of sliding sleeve set up, make people when the feeding, do not push down the rocker earlier, make fender ring and sliding sleeve shift up to topmost under first spring action, coffee beans form an annular feedstock channel to the inside feeding of grinding barrel by between sliding sleeve inclined plane one side and the fixed disk this moment, because feedstock channel is less, make the feeding slow, and then begin to grind, push down and rotate the rocker and drive inside grinding mechanism and begin to grind, this device is different from traditional rocker and end cover and grinding barrel disconnect-type's grinding machine, rocker and end cover need not be taken off during the feeding, the integration degree is higher, the operation steps are simplified, use experience is better.

2. Through the pressure moving mechanism that sets up between rocker and fender ring and deep groove portion and the shallow slot portion that sets up respectively in the annular, make people when rocking the rocker and grind the inside coffee beans of grinding barrel, the fore-set slides along the annular, the gyro wheel of fore-set one side rolls along fender ring upper portion round simultaneously, when the fore-set slides to shallow slot portion, the fore-set compresses the second spring and moves up relatively, the gyro wheel is followed and is shifted up, fender ring and sliding sleeve are upspring under first spring action, annular feedstock channel forms this moment, the inside feeding that drops of coffee beans, when the fore-set slides to deep groove portion, the homonymy gyro wheel pushes down fender ring and sliding sleeve, make annular feedstock channel close, so the circulation repeatedly, realize intermittent type feeding, make coffee beans continuity feeding in batches, make inside grind more abundant thoroughly, improve grinding effect.

Drawings

FIG. 1 is a schematic perspective view of a portable coffee grinder according to the present invention;

FIG. 2 is a schematic perspective sectional view of a portable coffee grinder according to the present invention;

FIG. 3 is a schematic drawing showing a partial plan cross-sectional view of a portable coffee grinder in accordance with the present invention;

FIG. 4 is a perspective view of a rocking bar of the portable coffee grinder according to the present invention;

FIG. 5 is a schematic sectional plan view of a cartridge of embodiment 1 of a portable coffee grinder according to the present invention;

FIG. 6 is a schematic sectional plan view of a cartridge of embodiment 2 of a portable coffee grinder according to the present invention;

fig. 7 is a schematic grinding flow chart of embodiment 2 of the grinding method of the portable coffee grinder according to the present invention.

In the figure: 1. a grinding barrel; 2. a receiving cup; 3. a rocker; 4. a baffle ring; 5. a rotating shaft; 6. a ring groove; 7. a guide post; 8. an L-shaped column; 9. fixing the disc; 10. a first spring; 11. a sleeve; 12. a transverse pin; 13. a roller; 14. a top pillar; 15. a sliding sleeve; 16. holding the rotary column by hand; 17. a circular groove; 18. a second spring; 19. a magnetic block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-5, a gas accuse valve for tooth machine system, including grinding barrel 1, grinding barrel 1 both ends are open structure, and 1 lower extreme threaded connection of grinding barrel has material receiving cup 2, 1 upper end of grinding barrel slides and is equipped with sliding sleeve 15, 15 upper portions of sliding sleeve fixedly connected with fender ring 4, be equipped with direction slip subassembly between fender ring 4 and grinding barrel 1, grinding barrel 1 upper end and sliding sleeve 15 are coaxial to be equipped with fixed disk 9, fixed disk 9 upper portion intermediate position department vertical fixation is inserted and is equipped with pivot 5, and pivot 5 lower extreme passes fixed disk 9 bottom surface and downwardly extending, the pivot 5 lower extreme inserts the back and is connected with 1 inside grinding mechanism key-type of grinding barrel, pivot 5 upper end rotates and is connected with rocker 3, rocker 3 keeps away from 1 one end of grinding barrel and rotates and is equipped with and holds rotary column 16, be equipped with between rocker 3 and the fender ring 4 and press the mechanism.

In the invention, the lower part of a fixed disc 9 is fixedly connected with a plurality of L-shaped columns 8 along one circle of the fixed disc 9, the other ends of the L-shaped columns 8 are fixedly connected with the inner wall of a grinding barrel 1, the upper part of the fixed disc 9 is of a conical surface structure, the circle of the lower part of the inner wall of a sliding sleeve 15 is of an inclined surface structure, an annular feeding channel is formed between one side of the inclined surface and the fixed disc 9 after the sliding sleeve 15 moves upwards, a guide sliding assembly comprises a baffle ring 4, a guide column 7 is vertically fixed along one circle of the lower part of the baffle ring 4, a plurality of circular grooves 17 are formed in the circle of the upper end of the grinding barrel 1, the lower ends of the guide column 7 are respectively inserted into the circular grooves 17 in a sliding manner, a first spring 10 is vertically fixed on the bottom wall of the circular grooves 17, the upper end of the first spring 10 is fixedly connected with the lower end of the guide column 7, a pressing mechanism comprises a sleeve 11 vertically fixedly connected with one side of the lower part of a rocker 3, a top column 14 is inserted in a sliding manner, an elastic abutting piece is arranged in the sleeve 11, a transverse pin 12 is horizontally fixed on the upper part of the top column 14, the transverse pin 12 is far away from the top column 14 one end and is rotated and be equipped with gyro wheel 13, gyro wheel 13 supports the tight contact with 4 upper portions of fender ring, 1 upper end of grinding barrel is opened along its circle has annular 6, and the bottom surface divide into deep groove portion and shallow slot portion in the annular 6, top column 14 lower extreme slides and locates in annular 6, elasticity supports the second spring 18 that the piece includes the inside roof fixed connection of sleeve 11, and 18 lower extremes of second spring fixed connection in top column 14 upper end, second spring 18 elasticity is greater than first spring 10 elasticity.

A grinding method of a portable coffee grinder, characterized by comprising the steps of:

s1: holding the grinding barrel by hand and shaking a rocker, detecting whether the rotating shaft rotates normally, judging whether the internal grinding mechanism rotates normally by sound, lifting up and down to press the rocker, and observing whether the rocker rotates normally along the rotating shaft;

s2: disassembling the lower material receiving cup, pouring a proper amount of coffee beans into the material receiving cup, and then pouring the coffee beans into the middle opening of the sliding sleeve by using the material receiving cup so that the coffee beans are contained between the inner wall of the sliding sleeve and the upper part of the fixed disc;

s3: then manually shaking the rocker to drive the rotating shaft to rotate, wherein the rotating shaft drives the grinding mechanism in the grinding barrel to grind, the sliding sleeve slides up and down in the rotating process of the rocker, and the coffee beans sequentially enter the grinding barrel in batches;

s4: after all coffee beans contained in the sliding sleeve are discharged and ground, detaching the material receiving cup at the lower part again, kneading ground coffee powder by using fingers, and observing whether larger particles which are not ground completely exist;

s5: if larger particles exist, the coffee powder in the receiving cup needs to be poured into the slip sleeve again, the materials are fed again for grinding until the materials are completely ground into powder, finally the coffee powder is taken out, and the coffee machine is cleaned.

The working principle of the embodiment is as follows: when people feed, the rocker 3 is not required to be pressed down firstly, so that the baffle ring 4 and the sliding sleeve 15 move upwards to the topmost end under the action of the first spring 10, at the moment, coffee beans are fed into the grinding barrel 1 from an annular feeding channel formed between one side of the inclined plane of the sliding sleeve 15 and the fixed disc 9, the feeding is slow due to the small feeding channel, the grinding is started, the rocker 3 is pressed down and rotated to drive the internal grinding mechanism to start grinding, the device is different from a traditional grinding machine with the rocker 3 and the end cover separated from the grinding barrel 1, the rocker 3 and the end cover do not need to be taken down during feeding, the integration degree is higher, the operation steps are simplified, the use experience is better, when people shake the rocker 3 to grind coffee beans in the grinding barrel 1, the top pillar 14 slides along the annular groove 6, meanwhile, the roller 13 on one side of the top pillar 14 rolls along the upper circle of the baffle ring 4, and when the top pillar 14 slides to the shallow groove part, the top post 14 compresses the second spring 18 and moves upwards, the roller 13 moves upwards along with the top, the baffle ring 4 and the sliding sleeve 15 are bounced under the action of the first spring 10, the annular feeding channel is formed at the moment, coffee beans fall inwards to be fed, when the top post 14 slides to the deep groove part, the baffle ring 4 and the sliding sleeve 15 are pressed down by the roller 13 in the same way, the annular feeding channel is closed, the repeated circulation is realized, the intermittent feeding is realized, the continuous batch feeding of the coffee beans is realized, the internal grinding is more sufficient and thorough, and the grinding effect is improved.

Example 2

Referring to fig. 1-4 and 6, a pneumatic control valve for a dental engine system comprises a grinding barrel 1, two ends of the grinding barrel 1 are of an open structure, a material receiving cup 2 is connected to the lower end of the grinding barrel 1 through threads, a sliding sleeve 15 is arranged at the upper end of the grinding barrel 1 in a sliding mode, a retaining ring 4 is fixedly connected to the upper portion of the sliding sleeve 15, a guide sliding assembly is arranged between the retaining ring 4 and the grinding barrel 1, a fixed disk 9 is coaxially arranged at the upper end of the grinding barrel 1 and the sliding sleeve 15, a rotating shaft 5 is vertically and fixedly inserted in the middle of the upper portion of the fixed disk 9, the lower end of the rotating shaft 5 penetrates through the bottom surface of the fixed disk 9 and extends downwards, the lower end of the rotating shaft 5 is connected with a grinding mechanism inside the grinding barrel 1 after being inserted into the rotating shaft, a rocker 3 is rotatably connected to the upper end of the rotating shaft 5, a hand-held rotating column 16 is rotatably arranged at one end of the rocker 3, and a pressing mechanism is arranged between the rocker 3 and the retaining ring 4.

In the invention, the lower part of a fixed disc 9 is fixedly connected with a plurality of L-shaped columns 8 along one circle of the fixed disc 9, the other ends of the L-shaped columns 8 are fixedly connected with the inner wall of a grinding barrel 1, the upper part of the fixed disc 9 is of a conical surface structure, the circle of the lower part of the inner wall of a sliding sleeve 15 is of an inclined surface structure, an annular feeding channel is formed between one side of the inclined surface and the fixed disc 9 after the sliding sleeve 15 moves upwards, a guide sliding assembly comprises a baffle ring 4, a guide column 7 is vertically fixed along one circle of the lower part of the baffle ring 4, a plurality of circular grooves 17 are formed in the circle of the upper end of the grinding barrel 1, the lower ends of the guide column 7 are respectively inserted into the circular grooves 17 in a sliding manner, a first spring 10 is vertically fixed on the bottom wall of the circular grooves 17, the upper end of the first spring 10 is fixedly connected with the lower end of the guide column 7, a pressing mechanism comprises a sleeve 11 vertically fixedly connected with one side of the lower part of a rocker 3, a top column 14 is inserted in a sliding manner, an elastic abutting piece is arranged in the sleeve 11, a transverse pin 12 is horizontally fixed on the upper part of the top column 14, the transverse pin 12 is far away from 14 one ends of fore-set and is rotated and be equipped with gyro wheel 13, gyro wheel 13 supports tight contact with 4 upper portions of fender ring, 1 upper end of grinding barrel is opened along its circle has annular 6, and the bottom surface divide into deep groove portion and shallow slot portion in the annular 6, the slip of 14 lower extremes of fore-set is located in annular 6, elasticity supports the piece and includes the inside roof of sleeve 11 and the equal fixed magnetic path 19 that sets up in the 14 upper ends of fore-set, and two magnetic paths 19 magnetism repel each other, two magnetic path 19 repulsion are greater than first spring 10 elasticity.

A grinding method of a portable coffee grinder, characterized by comprising the steps of:

s1: holding the grinding barrel by hand and shaking a rocker, detecting whether the rotating shaft rotates normally, judging whether the internal grinding mechanism rotates normally by sound, lifting up and down to press the rocker, and observing whether the rocker rotates normally along the rotating shaft;

s2: disassembling the lower material receiving cup, pouring a proper amount of coffee beans into the material receiving cup, and then pouring the coffee beans into the middle opening of the sliding sleeve by using the material receiving cup so that the coffee beans are contained between the inner wall of the sliding sleeve and the upper part of the fixed disc;

s3: then manually shaking the rocker to drive the rotating shaft to rotate, wherein the rotating shaft drives the grinding mechanism in the grinding barrel to grind, the sliding sleeve slides up and down in the rotating process of the rocker, and the coffee beans sequentially enter the grinding barrel in batches;

s4: after all coffee beans contained in the sliding sleeve are discharged and ground, detaching the material receiving cup at the lower part again, kneading ground coffee powder by using fingers, and observing whether larger particles which are not ground completely exist;

s5: if larger particles exist, the coffee powder in the receiving cup needs to be poured into the slip sleeve again, the materials are fed again for grinding until the materials are completely ground into powder, finally the coffee powder is taken out, and the coffee machine is cleaned.

The working principle of the embodiment is as follows: when people feed, the rocker 3 is not required to be pressed down firstly, so that the baffle ring 4 and the sliding sleeve 15 move upwards to the topmost end under the action of the first spring 10, at the moment, coffee beans are fed into the grinding barrel 1 from an annular feeding channel formed between one side of the inclined plane of the sliding sleeve 15 and the fixed disc 9, the feeding is slow due to the small feeding channel, the grinding is started, the rocker 3 is pressed down and rotated to drive the internal grinding mechanism to start grinding, the device is different from a traditional grinding machine with the rocker 3 and the end cover separated from the grinding barrel 1, the rocker 3 and the end cover do not need to be taken down during feeding, the integration degree is higher, the operation steps are simplified, the use experience is better, when people shake the rocker 3 to grind coffee beans in the grinding barrel 1, the top pillar 14 slides along the annular groove 6, meanwhile, the roller 13 on one side of the top pillar 14 rolls along the upper circle of the baffle ring 4, and when the top pillar 14 slides to the shallow groove part, two magnetic blocks 19 of top post 14 compression relatively shift up, gyro wheel 13 is followed and is shifted up, keep off ring 4 and sliding sleeve 15 and go up the bullet under the effect of first spring 10, annular feedstock channel forms this moment, the feeding that drops inwards of coffee beans, when top post 14 slided to deep trouth portion, with the same reason gyro wheel 13 pushes down and keeps off ring 4 and sliding sleeve 15, make annular feedstock channel close, so recycling, realize intermittent type nature feeding, make coffee beans continuity feeding in batches, make inside grinding more abundant thorough, improve the grinding effect.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.