CN118021147A - Multifunctional coffee machine - Google Patents
Multifunctional coffee machine Download PDFInfo
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- CN118021147A CN118021147A CN202410332291.8A CN202410332291A CN118021147A CN 118021147 A CN118021147 A CN 118021147A CN 202410332291 A CN202410332291 A CN 202410332291A CN 118021147 A CN118021147 A CN 118021147A
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- 235000013353 coffee beverage Nutrition 0.000 title claims abstract description 126
- 239000000843 powder Substances 0.000 claims abstract description 315
- 238000003825 pressing Methods 0.000 claims abstract description 203
- 239000002184 metal Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000000670 limiting effect Effects 0.000 claims description 25
- 238000010408 sweeping Methods 0.000 claims description 19
- 230000009471 action Effects 0.000 claims description 5
- 239000008236 heating water Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 235000019640 taste Nutrition 0.000 abstract description 13
- 230000003068 static effect Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 241000533293 Sesbania emerus Species 0.000 description 13
- 230000005611 electricity Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000002791 soaking Methods 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 241001417527 Pempheridae Species 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 235000015114 espresso Nutrition 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The invention discloses a multifunctional coffee machine, which comprises a shell, and a grinding device, a powder pressing device and a brewing device which are arranged in the shell, wherein the grinding device is communicated with the powder pressing device through an inclined downward channel; the brewing device comprises a water tank, a water pump, a heating module and a brewing port, wherein a metal sleeve is arranged in the grinding device, so that the overall cost is reduced through the metal sleeve, the high precision of grinding powder is ensured, and the effects of preventing static powder sticking and powder flying can be achieved; the powder pressing device drives the nut to rotate and move through the driving screw, and realizes automatic rotation and pushing of powder pressing of the powder pressing part by utilizing the connection relation between the nut and the powder pressing part through the guide rod and the pressure spring, and the elasticity of the pressure spring ensures that the powder pressing force is basically constant, so that the taste effect of the brewed coffee is better; the multifunctional and automatic control can be realized from grinding, powder pressing to brewing, so that the high requirements on grinding and powder pressing during coffee brewing are ensured, and the multifunctional and automatic coffee brewing machine is simple and convenient to use and low in cost.
Description
Technical Field
The invention belongs to the field of coffee machines, and particularly relates to a multifunctional coffee machine.
Background
Coffee machines can be classified into various types, including drip-type, infusion-type, espresso machines, etc., and the advantages and disadvantages of water supply systems, pressure control, temperature control, grinding techniques, automation, and intellectualization in coffee machines can affect the taste of coffee brewing and the user experience. As for certain types of coffee, such as espresso, pressure is one of the key factors; the taste and quality of some coffee is greatly affected by the water temperature; for coffee machines for making coffee using coffee beans, the grinding technology is also very important, and high-end coffee machines are usually equipped with a professional-grade grinder, so that the grinding granularity can be accurately adjusted to meet the requirements of different tastes, and with the development of technology, more and more coffee machines are equipped with automation and intelligent functions. Multifunctional coffee machines generally have various ways of making coffee, such as espresso coffee, american coffee, etc., different coffee beans requiring different coffee beans, and therefore, corresponding grinding and processing techniques are required to accommodate the characteristics and taste requirements of different bean species; in particular, the grinding and compacting requirements are high, and the taste of the coffee brewing is finally affected.
In the prior art, the Chinese patent with publication number CN 213757777U discloses a coffee machine, which is mainly controlled by controlling a hand crank part to press hot water so as to fully blend the hot water with coffee, and the problems of automation, cost, powder pressing control and the like are not solved.
Accordingly, there is a need to provide a multi-function coffee machine that solves the problems of the prior art.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a multifunctional coffee machine, wherein a grinding device, a powder pressing device and a brewing device are arranged in the multifunctional coffee machine, and a metal sleeve is arranged in the grinding device, so that the overall cost is reduced through the metal sleeve, the high precision of grinding powder is ensured, and the effects of preventing static powder sticking and powder flying can be achieved; the powder pressing device drives the nut to rotate through the driving screw rod, the automatic rotation is realized to push the powder pressing part to press powder through the connection relation between the nut and the powder pressing part and the guide rod and the pressure spring, the elasticity of the pressure spring ensures that the powder pressing force is basically constant, and the powder pressing funnel can be directly taken down and installed to the brewing device to brew after the powder pressing is finished, so that the integrated functions of grinding, powder pressing and coffee brewing are realized, and the taste of the coffee brewing is improved.
The technical scheme of the invention is realized as follows:
The multifunctional coffee machine comprises a shell, and a grinding device, a powder pressing device and a brewing device which are arranged in the shell, wherein the grinding device is communicated with the powder pressing device through an inclined downward channel; the brewing device comprises a water tank, a water pump, a heating module and a brewing port, wherein a powder cup funnel is arranged at the brewing port, and the water pump pumps water of the water tank out and flows out through the brewing port; the heating module is used for heating water; the brewing port is provided with a connecting part, and the powder cup funnel is movably connected with the brewing port through the connecting part;
The grinding device comprises a grinding shell, a metal cutter, a driving shaft and a first driving device, wherein the metal cutter, the driving shaft and the first driving device are arranged in the grinding shell; the grinding shell is provided with a grinding cavity, the bottom of the grinding cavity is provided with a shaft hole, the driving shaft vertically penetrates through the shaft hole at the bottom of the grinding cavity, one end of the driving shaft is connected with a first driving device outside the grinding cavity, the other end of the driving shaft is connected with a cutter, the bottom of the grinding cavity is also provided with a powder sweeping device, the cutter is positioned at the upper end of the powder sweeping device and is connected with the powder sweeping device, a discharge hole is arranged in the grinding cavity, and the discharge hole is communicated with the channel;
the cutter comprises a cutter head and a cutter disc encircling the periphery of the cutter head, wherein a metal sleeve is encircling the periphery of the cutter disc, is fixedly arranged and sealed with the inner wall of the grinding cavity through interference fit and is connected with the cutter disc, the grinding shell is made of plastic, and a conductive terminal is arranged on the metal sleeve;
The powder pressing device comprises a powder pressing shell, wherein a vertical powder pressing channel is arranged in the powder pressing shell, a screw rod is arranged in the powder pressing channel, a second driving device is arranged outside the powder pressing channel, the second driving device is in driving connection with the screw rod and drives the screw rod to rotate, and a powder cup funnel is arranged at the tail end of the powder pressing channel; the side wall of the powder pressing channel is provided with a feed inlet which is communicated with the channel;
The second driving device comprises a motor, the screw rod is sleeved with a nut matched with the screw thread of the screw rod, and the screw rod drives the nut to reciprocate up and down through the screw thread; the periphery of the nut is provided with a plurality of limit grooves, a guide rod and a limit hole are arranged in the limit grooves, the guide rod penetrates through the limit hole, a powder pressing part is connected along the screw rod in a downward extending mode, and the powder pressing part is matched with the powder pressing channel in size; the outer side of the guide rod is sleeved with a pressure spring, and the pressure spring is propped between the nut and the powder pressing part along the guide rod;
The coffee machine grinds coffee beans into coffee powder through the grinding device, enters the channel through the discharge hole, enters the powder pressing channel through the feed inlet, falls into the powder cup funnel, compacts the coffee powder in the powder cup funnel through the powder pressing device, then takes down the powder cup funnel, installs the brewing hole of the re-brewing device, and infuses coffee through the brewing device.
Specifically, the conductive terminal may be formed by connecting the ground wire with the metal sleeve by means of a rivet;
The surface of the powder sweeping device, which is connected with the cutter head, is provided with pin holes, and the powder sweeping device is connected with the cutter head through pin posts;
Specifically, the powder cup funnel is called a brewing head in the industry, is arranged at the tail end of the powder pressing channel and a brewing opening of the brewing device, and can be installed and removed in a manual rotation mode; a brewing opening which is arranged at the tail end of the powder pressing channel and used for receiving powder and compacting, can be directly taken down by a person after compacting and is arranged beside, pre-soaking and brewing coffee at a brewing port, wherein an arc-shaped groove is arranged below the powder cup funnel, a cup is arranged below the arc-shaped groove, and brewed coffee can flow into the cup from the arc-shaped groove;
The heating module can be a heating plate or a heating sheet and the like, and can heat the water temperature to 90 ℃.
The coffee machine is internally provided with a control device which is connected with a control panel and is mainly used for controlling the grinding device, the powder pressing device and the brewing device, and the functions of grinding, powder pressing, brewing and the like are realized by manually operating the control panel.
Preferably, the grinding device further comprises a cutter head adjusting assembly, the cutter head adjusting assembly comprises an adjusting disc and an adjusting ring, and threads which are mutually adaptive are arranged on the outer side wall of the adjusting disc and the inner side wall of the adjusting ring and are connected through thread matching;
the cutter head and the adjusting disc are relatively fixed.
Specifically, the cutterhead adjusting assembly is simple in arrangement, convenient to detach and clean, and low in cost, and meanwhile, the accuracy of the metal assembly can be compared with that of the cutterhead adjusting assembly;
The outer side of the adjusting disc is also provided with a sealing ring, and the sealing ring is positioned at the upper end of the thread;
The adjusting ring is mainly in threaded connection with the adjusting disk to drive the adjusting disk to move, and the adjusting disk can not rotate due to the limiting effect of the guide piece, so that the adjusting disk can only move up and down under the action of threads when the adjusting ring is rotated;
the guide piece is arranged in a double-layer manner and comprises an outer guide piece and an inner guide piece, and the inner guide piece is smaller than the outer guide piece; the guide groove is also arranged in a double-layer manner and comprises an inner guide groove and an outer guide groove; the inner guide groove is matched with the inner guide piece, and the outer guide groove is matched with the outer guide piece; the guide piece and the guide groove are mainly arranged to avoid the rotation of the adjusting disc, so that the adjusting disc can only move up and down; the double-layer arrangement ensures that the adjusting disc is more stable when moving up and down and cannot deviate;
The outer side of the adjusting ring is also provided with a gear, the position connected with the gear can be provided with an adjusting device, the adjusting device is internally provided with a gear which is matched with the adjusting ring, and the adjusting device has the function of driving the adjusting ring to rotate through the rotation of the gear.
Preferably, an annular baffle plate protruding upwards is arranged around the shaft hole at the bottom of the grinding cavity, and the powder sweeping device covers the annular baffle plate;
the cutter head is of a truncated cone structure which is gradually enlarged from top to bottom; the inner side of the cutter head is of a curved surface structure with a narrow middle and a wide upper and lower part, and the lower end of the cutter head is adapted to the side wall of the circular truncated cone structure of the cutter head through a narrow and wide part.
Specifically, the cutter is positioned in the grinding cavity, corresponding shaft holes are formed in the middles of the cutter head and the powder sweeping device, one end of the driving shaft sequentially penetrates through the shaft holes of the powder sweeping device and the cutter head and is connected with the cutter head, the other end of the driving shaft is connected with the first driving device, and the cutter head is driven to rotate through the first driving device;
Grinding the coffee beans by placing the coffee beans between the cutter head and the cutter head; the metal sleeve is fixedly arranged around the circumference of the cutter head and sleeved on the circumference of the cutter head, so that the stability of the cutter during grinding can be improved, meanwhile, the precision of metal is higher than that of plastic or plastic, the precision of powder discharge during grinding can be improved, and the uniformity of the thickness of the powder discharge is ensured;
The ground coffee powder falls into the grinding cavity, can be scanned to a discharge port through the powder scanning device, and enters the powder pressing device from the discharge port along the channel.
Preferably, the opening at the upper end of the cutterhead is outwards protruded to form an annular edge, and a plurality of grooves are formed in the annular edge;
The outer side of the cutterhead is provided with a cutterhead support which is of a hollow annular structure, the inner wall of the cutterhead support is provided with an annular edge, the lower end of the annular edge is provided with a plurality of fasteners, and the annular edge of the cutterhead is buckled between the annular edge and the fasteners;
And a lug is also arranged between the annular edge and the fastener, the size and the position of the lug are matched with the groove of the cutterhead, and the lug is matched with the groove.
Specifically, the cutterhead bracket is mainly used for fixing a cutterhead and is connected with an adjusting disc; the cutterhead support fixes the cutterhead through the annular edge and the fastener, so that the cutterhead can be driven to move along with the cutterhead support.
Preferably, a first bearing platform is inwards protruded on the inner wall of the adjusting disc, and the guide piece is positioned at the lower end of the first bearing platform;
the lower end of the thread on the inner side of the adjusting ring protrudes inwards to form a second bearing platform;
The outer wall of the grinding cavity is also provided with an annular fixed disc, and the fixed disc is positioned at the upper end of the guide groove;
The inner ring of the fixed disc is provided with a plurality of clamping grooves, and the positions of the clamping grooves correspond to the positions of the guide grooves; the periphery of the guide groove is also provided with a third bearing platform, and the adjusting ring is clamped between the fixed disc and the third bearing platform through the second bearing platform.
Specifically, a plurality of screw holes are formed in the fixed disc, and the fixed disc is fixedly connected with the grinding shell through the screw holes;
the second bearing platform mainly prevents the adjusting ring from moving up and down; the second bearing platform is positioned between the fixed disc and the third bearing platform and is used for fixing the adjusting ring so as not to move up and down and enabling the adjusting ring to only rotate;
The metal sleeve is provided with a concave part, and the position and the size of the concave part are matched with those of the guide piece;
the guide piece of the adjusting disk sequentially passes through the concave part of the metal sleeve and the clamping groove of the fixing disk and extends into the guide groove; the limiting relation between the concave part, the clamping groove and the guide piece prevents the adjusting disc from rotating, so that the adjusting disc can only move up and down;
Preferably, the outer side wall of the cutterhead support and the inner side wall of the adjusting disc are provided with a limit part and a limit part which are matched with each other, and the cutterhead is relatively fixed with the adjusting disc through the cutterhead support.
Specifically, the first bearing platform is positioned at the lower end of the limiting piece;
The limiting part comprises a transverse groove and a transverse block which are arranged up and down; the length of the transverse groove is longer than that of the transverse block, and the tail end of the transverse block is also provided with a clamping part; the limiting piece comprises a transverse piece and a clamping piece which are arranged up and down, and the clamping piece is connected with the clamping part in a matched manner; the cutter head support is connected with the adjusting disc through the limiting part;
The cutter disc support is mainly used for fixing the cutter disc and is connected with the adjusting disc; the cutter disc support fixes the cutter disc through the annular edge and the fastener; so that the cutterhead, the cutterhead bracket and the adjusting disc can move simultaneously;
The adjusting disc and the cutter disc support can be connected more firmly through the limiting part and the limiting part, and the position relation of the adjusting disc and the cutter disc support is prevented from shifting when the adjusting disc is integrally adjusted.
Through the connection relation of the fixing disc, the adjusting ring, the adjusting disc, the cutter disc support and the cutter disc, stable connection between the fixing disc and the adjusting ring is realized, and the adjusting function of the cutter disc is achieved, so that the fineness of the ground coffee powder can be controlled and adjusted.
Preferably, the powder pressing channel is a circular channel, the powder pressing device further comprises a cylinder body connected with the powder pressing part into a whole, and the cylinder body extends upwards to cover the guide rod; the outer side wall of the cylinder body is provided with a plurality of annular grooves, friction rings are arranged in the annular grooves, and when the powder pressing action is performed, the friction rings and the inner wall of the powder pressing channel generate sliding friction force in the circumferential direction and the axial direction.
Specifically, the friction ring mainly forms proper friction between the cylinder body and the powder pressing shell, and the powder pressing part is connected with the cylinder body integrally, so that the cylinder body and the powder pressing part can synchronously move; i.e. the cooperation between the screw and the nut, the nut will move linearly along the axis of the screw when the screw is rotated, so that the screw can drive the nut to rotate.
Preferably, the powder pressing part is further provided with a powder pressing plate for fixing the lower end surface of the powder pressing part;
the size of the powder pressing plate is matched with the size of the lower end of the powder pressing part, a connecting hole is formed in the middle of the powder pressing plate, and the powder pressing plate is fixed to the lower end of the powder pressing part through the connecting hole.
Specifically, the powder pressing plate moves rotationally along with the powder pressing part, the coffee powder is pressed by the powder pressing plate, and the coffee powder is rotationally flattened in the rotary pushing process.
Preferably, a plurality of guide rod grooves are formed in one side, connected with the guide rod, of the powder pressing part, the guide rod grooves are adaptive to the guide rod, and the guide rod is fixed with the powder pressing part through the guide rod grooves.
Specifically, the limit groove is positioned on the periphery of the disc surface of the nut close to one side of the second driving device, a screw is arranged in the limit groove, two ends of the guide rod are respectively provided with a guide rod hole, and one end of the guide rod is matched and connected with the guide rod hole through the screw; the other end is fixedly connected with the powder pressing part through a screw;
The guide rod is fixed with the powder pressing part through a guide rod groove, and rotates and moves synchronously with the powder pressing part; the screw drives the nut to rotate, the nut drives the guide rod to drive the powder pressing part to rotate, and the powder pressing part is driven to move through the pressure spring, so that the effect of rotation and translation is realized;
The nut can be limited to rotate and move only in the length range of the guide rod through the connection of the limiting groove and the guide rod, so that the nut is prevented from moving out of the guide rod; the nut can move in the rod body range of the guide rod and drives the powder pressing part to move through the pressure spring, and the elastic force of the pressure spring is relatively stable, so that a stable downward powder pressing force is formed.
Preferably, the side wall of the powder pressing channel is connected with a feeding hole, and the position height of the powder pressing channel where the feeding hole is located is lower than the position height of the powder pressing channel where the powder pressing part is located.
Specifically, the lower end of the powder pressing channel is connected with a powder cup funnel, coffee powder slides down from the channel to the feeding port, enters the powder pressing channel through the feeding port and falls into the powder cup funnel, and the powder pressing part presses the coffee powder in the powder cup funnel along the powder pressing channel;
The powder cup funnel is internally provided with a dense grid, the outer side of the powder cup funnel is connected with a handle, the powder pressing part presses and distributes powder to coffee powder in the powder cup funnel along a powder pressing channel, and after powder pressing is completed, the powder cup funnel can directly take out brewed coffee, powder falling during powder pressing is avoided, and the like. The powder can be compacted through the compact grid, so that larger coffee grains are prevented from falling; when pre-soaking is carried out, the coffee powder can fully absorb water without blocking the compact grid; the surface of the coffee powder absorbs water to expand, the contact area between the coffee powder and the dense grid is increased, the coffee powder is tighter, the non-uniformity of the powder distribution is reduced, aromatic substances in the coffee can be fully released during brewing, and the taste of the coffee is improved.
The coffee machine is also provided with a steam outlet and a water outlet, wherein the steam outlet can be used for generating milk foam or extracting components in coffee through steam, increasing the concentration of the coffee, improving the taste of the coffee and the like; the water outlet can provide hot water.
Compared with the prior art, the invention has the following beneficial effects:
The invention provides a multifunctional coffee machine, which comprises a grinding device and a powder pressing device; the grinding device is provided with the adaptation structure of the metal sleeve on the basis of keeping the whole structure to be made of plastic or plastic materials, the equipment cost can be kept low by only additionally arranging the metal sleeve, the price is relatively low, meanwhile, the minimum clearance fit between the cutter disc and the metal sleeve can be realized through high machining precision of metal, the concentricity of the cutter disc and the cutter head is ensured, and the phenomena of uneven thickness and cutter collision caused by the eccentricity and the shaking of the cutter disc are avoided; finally, low-cost equipment is achieved, and meanwhile, the uniformity of the thickness of the discharged powder can be ensured; during grinding, a large amount of static electricity is generated due to drying, the ground fine powder is attached with the static electricity, the static electricity can be guided away through the ground wire by the conductive terminal of the metal sleeve, the condition that the static electricity is stuck to powder and flies to cause blocking of equipment is avoided, and damage results of burning and the like of the electronic equipment caused by the flying powder with the static electricity are also avoided; the cutter head adjusting component design structure is convenient to detach and clean, can compare with the precision of a metal component, and is low in cost.
The powder pressing device drives the nut to rotate and push along the guide rod through the driving screw rod, the guide rod is fixedly connected with the powder pressing part, the powder pressing part can move along with the guide rod in a rotating way, the nut can push the powder pressing part to move through the pressure spring, the nut is used for rotating and pushing the powder pressing part by utilizing the combination of the guide rod and the pressure spring, coffee powder is automatically rotated and flattened in the rotating and pushing process, and the force of the pressure spring is basically constant and continuous, so that the powder pressing force is in a controllable range, the excessive compaction or loosening of the coffee powder is avoided, the effect of brewing coffee is influenced, and the taste of the brewed coffee is improved;
The brewing device is arranged beside the powder pressing device, and the powder cup funnel can be directly taken down from the powder pressing device after powder pressing is finished and is arranged on the brewing device for pre-soaking and coffee brewing.
The multifunctional coffee machine provided by the invention can realize the integrated functions of automatic grinding, automatic powder pressing and brewing of coffee beans through the channel arranged between the grinding device and the powder pressing device; the metal sleeve can reduce the cost of the whole machine, ensure the high precision of grinding and prevent static electricity; the automatic and uniform and controllable powder pressing force can be realized through the pressure spring, and the multifunctional and automatic control can be realized from grinding, powder pressing to brewing, so that the high requirements on grinding and powder pressing during coffee brewing are ensured, and meanwhile, the use is simple, convenient and low in cost.
Drawings
FIG. 1 is a schematic illustration of a multi-function coffee machine according to an embodiment of the present invention;
FIG. 2 is a schematic view of a multi-functional coffee machine according to an embodiment of the present invention;
FIG. 3 is a schematic view of a grinding device and a powder pressing device of a multifunctional coffee machine according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a grinding device and a compacting device of a multi-purpose coffee machine according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4 of a multi-purpose coffee machine according to an embodiment of the present invention;
FIG. 6 is a schematic view of a grinding housing of a grinding device of a multifunctional coffee machine according to an embodiment of the present invention;
FIG. 7 is an enlarged schematic view of portion B of FIG. 7 of a multi-purpose coffee machine according to an embodiment of the present invention;
FIG. 8 is a schematic view of a cutter head of a grinding device of a multifunctional coffee machine according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a cutter head structure of a grinding device of a multifunctional coffee machine according to an embodiment of the present invention;
FIG. 10 is a schematic view of a metal sleeve of a grinding device of a multifunctional coffee machine according to an embodiment of the present invention;
FIG. 11 is a schematic view of a cutterhead support of a grinding device of a multifunctional coffee machine according to an embodiment of the present invention;
FIG. 12 is a schematic diagram showing a second cutterhead support structure of a grinding device of a multifunctional coffee machine according to an embodiment of the present invention;
FIG. 13 is a schematic view of a structure of a conditioning disk of a grinding device of a multifunctional coffee machine according to an embodiment of the present invention;
FIG. 14 is a schematic view of a regulating ring of a grinding device of a multifunctional coffee machine according to an embodiment of the present invention;
FIG. 15 is a schematic view of a structure of a fixed plate of a grinding device of a multifunctional coffee machine according to an embodiment of the present invention;
FIG. 16 is a schematic view of the structure of the powder pressing part and cylinder of the powder pressing device of the multifunctional coffee machine according to the embodiment of the invention;
FIG. 17 is a schematic view of a nut of a powder pressing device of a multifunctional coffee machine according to an embodiment of the present invention;
FIG. 18 is a schematic view of a guide bar of a powder pressing device of a multifunctional coffee machine according to an embodiment of the present invention;
Fig. 19 is a schematic view of a powder cup funnel of a multifunctional coffee machine according to an embodiment of the present invention.
Reference numerals:
101. Grinding the shell; 102. a grinding chamber; 103. a drive shaft; 104. a discharge port; 105. a channel; 106. an annular partition plate; 107. a powder sweeping device; 108. a guide groove; 109. an outer guide groove; 110. an inner guide groove; 111. the third bearing platform;
201. a cutter head; 202. a pin hole; 203. a cutterhead; 204. an annular edge; 205. a groove;
301. a metal sleeve; 302. a recessed portion; 303. a conductive terminal;
401. A cutterhead bracket; 402. a ring edge; 403. a fastener; 404. a bump; 405. a limit part; 406. a transverse slot; 407. a transverse block; 408. a clamping part;
501. An adjusting plate; 502. a first bearing platform; 503. a limiting piece; 504. a cross member; 505. a clamping piece; 506. a guide member; 507. an outer guide; 508. an inner guide;
601. an adjusting ring; 602. the second bearing platform; 603. an adjusting device;
701. a fixed plate; 702. a clamping groove;
801. Pressing a powder shell; 802. a screw; 803. a guide rod; 804. a pressure spring; 805. a powder pressing channel; 806. a feed inlet; 807. a guide rod hole;
901. a powder pressing part; 902. a guide bar groove; 903. an annular groove; 904. a cylinder;
1001. a nut; 1002. a limiting hole; 1003. a limit groove;
1101. A first driving device; 1102. a second driving device; 1103. grinding a funnel; 1104. a powder cup funnel; 1105. a powder pressing device; 1106. a brewing port; 1107. a control panel; 1108. a dense grid.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
1-19, A multi-function coffee machine includes a housing and a grinding device and a compacting device 1105 disposed within the housing, the grinding device in communication with the compacting device 1105 through a downward-angled passageway 105; the brewing device comprises a water tank, a water pump, a heating module and a brewing port 1106, wherein a powder cup funnel 1104 is arranged at the brewing port 1106, the water pump pumps water of the water tank out and flows out through the brewing port 1106; the heating module is used for heating water; a connecting part is arranged at the brewing port 1106, and the powder cup funnel 1104 is movably connected with the brewing port 1106 through the connecting part;
The grinding device comprises a grinding shell 101, a metal cutter, a driving shaft 103 and a first driving device 1101, wherein the metal cutter, the driving shaft 103 and the first driving device are arranged in the grinding shell 101; the grinding shell 101 is provided with a grinding cavity 102, the bottom of the grinding cavity 102 is provided with a shaft hole, the driving shaft 103 vertically penetrates through the shaft hole at the bottom of the grinding cavity 102, one end of the driving shaft is connected with a first driving device 1101 outside the grinding cavity 102, the other end of the driving shaft is connected with a cutter, the bottom of the grinding cavity 102 is also provided with a powder sweeping device 107, the cutter is positioned at the upper end of the powder sweeping device 107 and is connected with the powder sweeping device 107, a discharge port 104 is arranged in the grinding cavity 102, and the discharge port 104 is communicated with the channel 105;
The cutter comprises a cutter head 201 and a cutter disc 203 surrounding the periphery of the cutter head 201, a metal sleeve 301 surrounds the periphery of the cutter disc 203, the metal sleeve 301 is fixedly arranged and sealed with the inner wall of the grinding cavity 102 through interference fit and is connected with the cutter disc 203, the grinding shell 101 is made of plastic, and a conductive terminal 303 is arranged on the metal sleeve 301;
The conductive terminal 303 may connect the ground wire with the metal sleeve 301 by a rivet;
The surface where the powder sweeper 107 is connected with the cutter head 201 is provided with pin holes 202, and the powder sweeper 107 is connected with the cutter head 201 through pins;
The powder cup funnel is called a brewing head in the industry, is arranged at the tail end of the powder pressing channel and a brewing port 1106 of the brewing device, and the specific connection mode of the connection part and the brewing port 1106 can be that the powder cup funnel is installed and removed in a manual rotation mode; a brewing port 1106 which is arranged at the tail end of the powder pressing channel and is used for receiving powder and compacting, the brewing port 1106 can be directly taken down by a person after compacting and is arranged beside the powder pressing channel, the brewing port 1106 is used for pre-soaking and brewing coffee, an arc-shaped groove is arranged below the powder cup funnel, a cup is arranged below the arc-shaped groove, and the brewed coffee can flow into the cup from the arc-shaped groove;
The heating module can be a heating plate or a heating sheet and the like, and can heat the water temperature to 90 ℃.
The coffee machine is also internally provided with a control device, the control device is connected with a control panel 1107 and is mainly used for controlling the grinding device, the powder pressing device 1105 and the brewing device, and the functions of grinding, powder pressing, brewing and the like are realized by manually operating the control panel 1107.
Above the grinding device is arranged a grinding funnel 1103 for adding coffee beans, the coffee beans are added to the grinding funnel 1103, and enter the grinding device through the grinding funnel 1103.
The grinding device further comprises a cutter 203 adjusting assembly, the cutter 203 adjusting assembly comprises an adjusting disc 501 and an adjusting ring 601, and threads which are mutually adaptive are arranged on the outer side wall of the adjusting disc 501 and the inner side wall of the adjusting ring 601 and are connected through thread matching;
The adjusting disk 501 and the outer wall of the grinding shell 101 are provided with guide pieces 506 and guide grooves 108 which are axially matched, and the cutter 203 and the adjusting disk 501 are relatively fixed.
The cutter 203 has simple adjustment component, convenient disassembly and cleaning, and low cost, and can be compared with the precision of metal components;
A sealing ring is further arranged on the outer side of the adjusting disc 501, and the sealing ring is positioned at the upper end of the thread;
The adjusting ring 601 drives the adjusting disk 501 to move mainly through the threaded connection relation with the adjusting disk 501, and the adjusting disk 501 can not rotate due to the limiting action of the guide piece 506, so that the adjusting disk 501 can only move up and down under the action of threads when the adjusting ring 601 rotates;
The guide piece 506 is arranged in a double-layer way and comprises an outer guide piece 507 and an inner guide piece 508, wherein the inner guide piece 508 is smaller than the outer guide piece 507; the guide groove 108 is also provided in a double layer, and comprises an inner guide groove 110 and an outer guide groove 109; the inner guide groove 110 is adapted to the inner guide 508 and the outer guide groove 109 is adapted to the outer guide 507; the guide 506 and the guide groove 108 are mainly arranged to avoid the rotation of the adjustment disc 501, so that the adjustment disc 501 can only move up and down; the double-layer arrangement makes the adjustment plate 501 more stable when moving up and down, without shifting;
The outer side of the adjusting ring 601 is also provided with a gear, the position connected with the gear can be provided with an adjusting device 603, the adjusting device 603 is also internally provided with a gear which is matched with the adjusting ring 601, and the adjusting device 603 has the function of driving the adjusting ring 601 to rotate through gear rotation.
An annular baffle plate 106 protruding upwards is arranged around the shaft hole at the bottom of the grinding cavity 102, and the powder sweeping device 107 covers the annular baffle plate 106;
The cutter head 201 has a truncated cone structure which gradually increases from top to bottom; the inner side of the cutter 203 is a curved surface structure with a narrow middle and a wide upper and lower sides, and the lower end of the cutter 203 is adapted to the side wall of the truncated cone structure of the cutter head 201 from a narrow and wide part.
The cutter is positioned in the grinding cavity 102, corresponding shaft holes are formed in the middles of the cutter head 201 and the powder sweeping device 107, one end of the driving shaft 103 sequentially penetrates through the shaft holes of the powder sweeping device 107 and the cutter head 201 and is connected with the cutter head 201, the other end of the driving shaft is connected with the first driving device 1101, and the cutter head 201 is driven to rotate through the first driving device 1101;
Grinding by placing coffee beans between the cutter head 201 and the cutter head 203; the metal sleeve 301 is fixedly arranged around the circumference of the cutter 203, so that the stability of the cutter during grinding can be improved, meanwhile, the precision of metal is higher than that of plastic or plastic, the precision of powder discharge during grinding can be improved, and the uniformity of the thickness of the powder discharge is ensured;
The ground coffee falls into the grinding chamber 102, and can be swept to the discharge port 104 by the sweeper 107 and enter the compacting means 1105 along the channel 105 from the discharge port 104.
An opening at the upper end of the cutter 203 protrudes outwards to form an annular edge 204, and a plurality of grooves 205 are formed in the annular edge 204;
the outer side of the cutter 203 is provided with a cutter support 401, the cutter support 401 is of a hollow annular structure, the inner wall of the cutter support is provided with a ring edge 402, the lower end of the ring edge 402 is provided with a plurality of fasteners 403, and the annular edge 204 of the cutter 203 is buckled between the ring edge 402 and the fasteners 403;
A protruding block 404 is further arranged between the annular edge 402 and the fastener 403, the size and the position of the protruding block 404 are adapted to the groove 205 of the cutter 203, and the protruding block 404 is connected with the groove 205 in a matching way.
The cutterhead bracket 401 is mainly used for fixing the cutterhead 203 and is connected with the adjusting disc 501; the cutterhead support 401 secures the cutterhead 203 by the annular rim 402 and the fasteners 403 so that the cutterhead 203 can be driven to move with the cutterhead support 401.
The outer side wall of the cutterhead support 401 and the inner side wall of the adjusting disc 501 are provided with a limiting part 405 and a limiting part 503 which are matched with each other, and the cutterhead 203 is relatively fixed with the adjusting disc 501 through the cutterhead support 401.
The first bearing platform 502 is located at the lower end of the limiting part 503;
the limiting part 405 comprises a transverse groove 406 and a transverse block 407 which are arranged up and down; the length of the transverse groove 406 is longer than that of the transverse block 407, and the tail end of the transverse block 407 is also provided with a clamping part 408; the limiting part 503 comprises a transverse part 504 and a clamping part 505 which are arranged up and down, and the clamping part 505 is matched and connected with the clamping part 408; the cutter disc support 401 is connected with the adjusting disc 501 through the limiting part 405;
The cutterhead bracket 401 is mainly used for fixing the cutterhead 203 and is connected with the adjusting disc 501; the cutter disc support 401 fixes the cutter disc 203 through the annular edge 402 and the fastener 403; so that the cutterhead 203, the cutterhead support 401 and the adjusting disc 501 can move simultaneously;
the connection between the adjusting disc 501 and the cutterhead support 401 can be more stable through the limiting part 405 and the limiting part 503, so that the position relationship of the adjusting disc is ensured not to deviate when the whole adjusting disc is adjusted.
The inner wall of the adjusting disc 501 is internally provided with a first bearing platform 502 in a protruding mode, and the guide piece 506 is positioned at the lower end of the first bearing platform 502;
the lower end of the thread on the inner side of the adjusting ring 601 protrudes inwards to form a second bearing platform 602;
The outer wall of the grinding cavity 102 is also provided with an annular fixing disc 701, and the fixing disc 701 is positioned at the upper end of the guide groove 108;
the inner ring of the fixed disc 701 is provided with a plurality of clamping grooves 702, and the positions of the clamping grooves 702 correspond to the positions of the guide grooves 108; the outer periphery of the guide groove 108 is further provided with a third bearing platform 111, and the adjusting ring 601 is engaged between the fixing plate 701 and the third bearing platform 111 through a second bearing platform 602.
The fixed disk 701 is provided with a plurality of screw holes, and the fixed disk 701 is fixedly connected with the grinding shell 101 through the screw holes;
The second bearing platform 602 mainly prevents the adjusting ring 601 from moving up and down; the second bearing platform 602 is located between the fixed disc 701 and the third bearing platform 111, and is used for fixing the adjusting ring 601 from moving up and down, so that the adjusting ring 601 can only rotate;
The metal sleeve 301 is provided with a concave part 302, and the position and the size of the concave part 302 are matched with those of the guide piece 506;
the guide 506 of the adjusting disk 501 sequentially passes through the concave portion 302 of the metal sleeve 301 and the clamping groove 702 of the fixing disk 701, and extends into the guide groove 108; the limiting relation between the concave part 302, the clamping groove 702 and the guide groove 108 and the guide piece 506 prevents the adjusting disc 501 from rotating, so that the adjusting disc 501 can only move up and down;
Through the sequentially adaptive connection relationship of the fixed disc 701, the adjusting ring 601, the adjusting disc 501, the cutter disc support 401 and the cutter disc 203, stable connection between the fixed disc and the cutter disc 203 is realized, and the adjusting function of the cutter disc 203 is achieved, so that the fineness of the ground coffee powder can be controlled and adjusted.
The first driving device 1101 includes a driving wheel, a driven wheel and a main driving wheel which are sequentially engaged through gears, the driving wheel is connected with a motor, and the driving shaft 103 is connected with the main driving wheel.
The transmission wheel, the driven wheel and the main driving wheel are meshed to realize speed change to improve torque, the motor drives the transmission wheel to rotate, the transmission wheel drives the driven wheel to rotate, the driven wheel drives the main driving wheel to rotate, and the main driving wheel drives the driving shaft 103 to rotate, so that the cutter head 201 rotates.
The powder pressing device 1105 comprises a powder pressing shell 801, wherein a vertical powder pressing channel 805 is arranged in the powder pressing shell 801, a screw rod 802 is arranged in the powder pressing channel 805, a second driving device 1102 is arranged outside the powder pressing channel 805, the second driving device 1102 is in driving connection with the screw rod 802 and drives the screw rod 802 to rotate, and a powder cup funnel 1104 is arranged at the tail end of the powder pressing channel 805; a feed inlet 806 is formed in the side wall of the powder pressing channel 805, and the feed inlet 806 is communicated with the channel 105;
The second driving device 1102 comprises a motor, the screw 802 is sleeved with a nut 1001 corresponding to the screw thread of the screw 802, and the screw 802 drives the nut 1001 to reciprocate up and down through the screw thread; a plurality of limit grooves 1003 are formed in the periphery of the nut 1001, a guide rod 803 and a limit hole 1002 are formed in the limit grooves 1003, the guide rod 803 penetrates through the limit hole 1002, a powder pressing part 901 is connected to the screw 802 in a downward extending mode, and the powder pressing part 901 is matched with a powder pressing channel 805 in size; the outside of the guide 803 is sleeved with a compression spring 804, and the compression spring 804 is abutted between the nut 1001 and the powder pressing part 901 along the guide 803.
The powder pressing channel 805 is a circular channel 105, the powder pressing device 1105 further comprises a cylinder 904 integrally connected with the powder pressing part 901, and the cylinder 904 extends upwards to cover the guide rod 803; the outer side wall of the cylinder 904 is provided with a plurality of annular grooves 903, friction rings are arranged in the annular grooves 903, and when the powder pressing action is performed, the friction rings and the inner wall of the powder pressing channel 805 generate sliding friction force in the circumferential direction and the axial direction.
The friction ring mainly forms proper friction between the cylinder 904 and the powder pressing shell 801, and the powder pressing part 901 is connected with the cylinder 904 into a whole, so that the cylinder 904 and the cylinder 904 synchronously move, when the screw 802 rotates, the nut 1001 and the cylinder 904 simultaneously rotate due to the connection of the guide rod 803, and the friction force can enable the nut 1001 and the screw 802 to form relative rotation, so that the nut 1001 is prevented from rotating along with the screw 802 in situ, and the up-down movement is realized; i.e., the engagement between the screw 802 and the nut 1001, the nut 1001 moves linearly along the axis of the screw 802 when the screw 802 rotates, so that the screw 802 can drive the nut 1001 to rotate.
The powder pressing part 901 is also provided with a powder pressing plate for fixing the lower end surface of the powder pressing plate;
the size of the powder pressing plate is matched with the size of the lower end of the powder pressing part 901, a connecting hole is formed in the middle of the powder pressing plate, and the powder pressing plate is fixed to the lower end of the powder pressing part 901 through the connecting hole.
The powder pressing plate rotates along with the powder pressing part 901, the coffee powder is pressed by the powder pressing plate, and the coffee powder is rotationally flattened in the process of rotary pushing.
A plurality of guide bar grooves 902 are formed in the side, which is connected with the guide bar 803, of the powder pressing portion 901, the guide bar grooves 902 are adapted to the guide bar 803, and the guide bar 803 and the powder pressing portion 901 are fixed through the guide bar grooves 902.
The limiting groove 1003 is positioned on the periphery of the disk surface of the nut 1001 near one side of the second driving device 1102, a screw is arranged in the limiting groove 1003, two ends of the guide rod 803 are respectively provided with a guide rod hole 807, and one end of the guide rod 803 is matched and connected with the guide rod hole 807 through the screw; the other end is fixedly connected with the powder pressing part 901 through a screw;
The guide 803 is fixed to the powder pressing portion 901 through a guide groove 902, and rotates and moves in synchronization with the powder pressing portion 901; the screw 802 drives the nut 1001 to rotate, the nut 1001 drives the guide rod 803 to drive the powder pressing part 901 to rotate, and the powder pressing part 901 is driven to move by the pressure spring 804, so that the effect of rotation and translation is realized;
The nut 1001 can be limited to rotate and move only within the length range of the guide 803 by connecting the limit groove 1003 with the guide 803, so as to prevent the nut 1001 from moving out of the guide 803; that is, the nut 1001 can move within the rod body of the guide 803 and drive the compacting section 901 to move by the compression spring 804, the elastic force of the compression spring 804 is relatively stable, thereby forming a stable downward compacting force.
The side wall of the powder pressing channel 805 is connected with a feeding hole 806, and the height of the powder pressing channel 805 where the feeding hole 806 is located is lower than the height of the powder pressing channel 805 where the powder pressing portion 901 is located.
The lower end of the powder pressing channel 805 is connected with a powder cup funnel 1104, coffee powder slides down from the channel 105 to a feed inlet 806, enters the powder pressing channel 805 through the feed inlet 806 and falls into the powder cup funnel 1104, and the powder pressing part 901 presses the coffee powder in the powder cup funnel 1104 along the powder pressing channel 805;
the powder cup funnel 1104 is internally provided with a dense grid 1108, the outer side of the powder cup funnel 1104 is connected with a handle, the powder pressing part 901 presses and distributes powder to coffee powder in the powder cup funnel 1104 along the powder pressing channel 805, and after powder pressing is completed, the powder cup funnel 1104 can directly take out brewed coffee, so that powder falling during powder pressing and the like are avoided.
The powder can be compacted by the mesh 1108 to avoid larger coffee particles from falling; when pre-soaking is carried out, the coffee powder can fully absorb water without blocking the compact grid 1108; the surface of the coffee powder absorbs water and expands, the contact area between the coffee powder and the compact grid 1108 is increased, the non-uniform distribution of the coffee powder is reduced, aromatic substances in the coffee can be fully released during brewing, and the taste of the coffee is improved.
The coffee machine is also provided with a steam outlet and a water outlet, wherein the steam outlet can be used for generating milk foam or extracting components in coffee through steam, increasing the concentration of the coffee, improving the taste of the coffee and the like; the water outlet can provide hot water.
The structure and the working principle of the second driving device 1102 can be referred to the first driving device 1101, and will not be described herein.
The main working principle of the invention is as follows: adding coffee beans from a grinding funnel 1103 above the grinding device, and allowing the coffee beans to enter between a cutter 203 and a cutter head 201 in the grinding device from the grinding funnel 1103; the first driving device 1101 drives the driving shaft 103 to rotate, and drives the cutter head 201 to rotate so as to grind the coffee beans; the distance between the cutter head 201 and the cutter 203 can be adjusted through the adjusting device 603 to adjust the fineness of grinding, and the specific principle is that the adjusting device 603 controls the adjusting ring 601 to rotate, and the adjusting ring 601 cannot move up and down between the fixed disc 701 and the third bearing platform 111; the adjusting disc 501 is driven to move through the threads of the adjusting ring 601, the adjusting disc 501 can only move up and down under the driving of the adjusting ring 601 and cannot rotate due to the limit of the guide piece 506 of the adjusting disc 501, and the adjusting disc 501 is connected with the cutter disc support 401 through the limit piece 503 in a matched manner, so that the cutter disc support 401 is driven to move along with the adjusting disc 501, the cutter disc support 401 drives the cutter disc 203 to move up and down along with the cutter disc support 401 through the connection relation between the annular edge 402 and the fastener 403 of the cutter disc support and the cutter disc 203, and the grinding distance between the cutter disc 203 and the cutter head 201 is adjusted through the circular truncated cone structural relation between the cutter disc 203 and the cutter head 201, so that the grinding fineness is adjusted.
The ground coffee powder enters the channel 105 through the discharge hole 104, then enters the feeding hole 806, enters the powder pressing channel 805 from the feeding hole 806, and falls to the powder cup funnel 1104 at the lower end of the powder pressing channel 805; the second driving device 1102 drives the screw 802 to rotate, the screw 802 drives the nut 1001 to rotate and translate downwards along the threads, the nut 1001 drives the powder pressing part 901 to rotate through the guide rod 803, the powder pressing part 901 is driven to move downwards through the pressure spring 804, and therefore the powder pressing part 901 is driven to rotate and move by combining the guide rod 803 and the pressure spring 804, and powder pressing is carried out by utilizing the elasticity of the pressure spring 804; after the powder pressing is finished, the powder cup funnel 1104 can be directly taken down and is provided with a brewing port 1106 of the re-brewing device for brewing coffee, so that the problems of powder pressing and powder falling in the middle and uneven powder pressing are avoided; when coffee is brewed, hot water at 90 ℃ is added into the powder cup funnel through the brewing port 1106, the coffee powder is pre-soaked first, so that the coffee powder fully absorbs water and expands, the contact area with the compact grid 1108 is increased to be more compact, and the taste of the coffee can be improved when the coffee is brewed; the integrated functions of grinding, pressing powder and brewing of the coffee machine are realized, and the extremely high requirements of the whole process on the grinding thickness degree of the coffee, the pressing powder force control and the brewing are met.
The multifunctional coffee machine provided by the invention can reduce the cost of the whole machine through the metal sleeve 301, ensure the high precision of grinding and prevent static electricity; the automatic and uniform and controllable powder pressing force can be realized through the pressure spring 804, and the multifunctional and automatic control can be realized from grinding to powder pressing, so that the high requirements on grinding and powder pressing during coffee brewing are ensured, and meanwhile, the use is simple, convenient and low in cost.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (10)
1. The multifunctional coffee machine comprises a shell, and a grinding device, a powder pressing device and a brewing device which are arranged in the shell, wherein the grinding device is communicated with the powder pressing device through an inclined downward channel; the brewing device comprises a water tank, a water pump, a heating module and a brewing port, wherein a powder cup funnel is arranged at the brewing port, and the water pump pumps water of the water tank out and flows out through the brewing port; the heating module is used for heating water; the brewing opening is provided with a connecting part, the powder cup funnel is movably connected with the brewing opening through the connecting part, and is characterized in that,
The grinding device comprises a grinding shell, a metal cutter, a driving shaft and a first driving device, wherein the metal cutter, the driving shaft and the first driving device are arranged in the grinding shell; the grinding shell is provided with a grinding cavity, the bottom of the grinding cavity is provided with a shaft hole, the driving shaft vertically penetrates through the shaft hole at the bottom of the grinding cavity, one end of the driving shaft is connected with a first driving device outside the grinding cavity, the other end of the driving shaft is connected with a cutter, the bottom of the grinding cavity is also provided with a powder sweeping device, the cutter is positioned at the upper end of the powder sweeping device and is connected with the powder sweeping device, a discharge hole is arranged in the grinding cavity, and the discharge hole is communicated with the channel;
the cutter comprises a cutter head and a cutter disc encircling the periphery of the cutter head, wherein a metal sleeve is encircling the periphery of the cutter disc, is fixedly arranged and sealed with the inner wall of the grinding cavity through interference fit and is connected with the cutter disc, the grinding shell is made of plastic, and a conductive terminal is arranged on the metal sleeve;
The powder pressing device comprises a powder pressing shell, wherein a vertical powder pressing channel is arranged in the powder pressing shell, a screw rod is arranged in the powder pressing channel, a second driving device is arranged outside the powder pressing channel, the second driving device is in driving connection with the screw rod and drives the screw rod to rotate, and a powder cup funnel is arranged at the tail end of the powder pressing channel; the side wall of the powder pressing channel is provided with a feed inlet which is communicated with the channel;
The second driving device comprises a motor, the screw rod is sleeved with a nut matched with the screw thread of the screw rod, and the screw rod drives the nut to reciprocate up and down through the screw thread; the periphery of the nut is provided with a plurality of limit grooves, a guide rod and a limit hole are arranged in the limit grooves, the guide rod penetrates through the limit hole, a powder pressing part is connected along the screw rod in a downward extending mode, and the powder pressing part is matched with the powder pressing channel in size; the outside of guide arm is overlapped and is had the pressure spring, the pressure spring supports along the guide arm between nut and the powder pressing portion.
2. The multifunctional coffee machine according to claim 1, wherein the grinding device further comprises a cutterhead adjusting assembly, the cutterhead adjusting assembly comprises an adjusting disc and an adjusting ring, and threads which are mutually adapted are arranged on the outer side wall of the adjusting disc and the inner side wall of the adjusting ring and are connected through threaded fit;
the cutter head and the adjusting disc are relatively fixed.
3. The multifunctional coffee machine according to claim 1, wherein an annular partition plate protruding upwards is arranged around the shaft hole at the bottom of the grinding cavity, and the powder sweeping device is covered on the annular partition plate;
the cutter head is of a truncated cone structure which is gradually enlarged from top to bottom; the inner side of the cutter head is of a curved surface structure with a narrow middle and a wide upper and lower part, and the lower end of the cutter head is adapted to the side wall of the circular truncated cone structure of the cutter head through a narrow and wide part.
4. The multifunctional coffee machine as claimed in claim 2, wherein the opening at the upper end of the cutter head is protruded outwards to form an annular edge, and a plurality of grooves are formed in the annular edge;
The outer side of the cutterhead is provided with a cutterhead support which is of a hollow annular structure, the inner wall of the cutterhead support is provided with an annular edge, the lower end of the annular edge is provided with a plurality of fasteners, and the annular edge of the cutterhead is buckled between the annular edge and the fasteners;
And a lug is also arranged between the annular edge and the fastener, the size and the position of the lug are matched with the groove of the cutterhead, and the lug is matched with the groove.
5. A multi-function coffee machine according to claim 2, wherein the inner wall of the conditioning plate is inwardly protruded with a first abutment, and the guide member is located at the lower end of the first abutment;
the lower end of the thread on the inner side of the adjusting ring protrudes inwards to form a second bearing platform;
The outer wall of the grinding cavity is also provided with an annular fixed disc, and the fixed disc is positioned at the upper end of the guide groove;
The inner ring of the fixed disc is provided with a plurality of clamping grooves, and the positions of the clamping grooves correspond to the positions of the guide grooves; the periphery of the guide groove is also provided with a third bearing platform, and the adjusting ring is clamped between the fixed disc and the third bearing platform through the second bearing platform.
6. The machine of claim 4, wherein the outer side wall of the cutter head support and the inner side wall of the adjusting plate are provided with a limiting part and a limiting part which are matched with each other, and the cutter head is relatively fixed with the adjusting plate through the cutter head support.
7. A multi-purpose coffee machine as claimed in claim 1, wherein the powder pressing channel is a circular channel, and the powder pressing device further comprises a cylinder integrally connected with the powder pressing part, and the cylinder extends upwards to cover the guide rod; the outer side wall of the cylinder body is provided with a plurality of annular grooves, friction rings are arranged in the annular grooves, and when the powder pressing action is performed, the friction rings and the inner wall of the powder pressing channel generate sliding friction force in the circumferential direction and the axial direction.
8. A multi-function coffee machine according to claim 1, wherein the powder pressing portion is further provided with a powder pressing plate to which a lower end surface thereof is fixed;
the size of the powder pressing plate is matched with the size of the lower end of the powder pressing part, a connecting hole is formed in the middle of the powder pressing plate, and the powder pressing plate is fixed to the lower end of the powder pressing part through the connecting hole.
9. The multifunctional coffee machine as claimed in claim 1, wherein a plurality of guide bar grooves are formed on a side of the powder pressing part connected with the guide bar, the guide bar grooves are adapted to the guide bar, and the guide bar is fixed with the powder pressing part through the guide bar grooves.
10. The multifunctional coffee machine as claimed in claim 1, wherein the side wall of the powder pressing channel is connected with a feeding port, and the height of the powder pressing channel where the feeding port is located is lower than the height of the powder pressing channel where the powder pressing portion is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410332291.8A CN118021147A (en) | 2024-03-22 | 2024-03-22 | Multifunctional coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410332291.8A CN118021147A (en) | 2024-03-22 | 2024-03-22 | Multifunctional coffee machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118021147A true CN118021147A (en) | 2024-05-14 |
Family
ID=90995147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410332291.8A Pending CN118021147A (en) | 2024-03-22 | 2024-03-22 | Multifunctional coffee machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118021147A (en) |
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2024
- 2024-03-22 CN CN202410332291.8A patent/CN118021147A/en active Pending
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