WO2024040777A1 - 磨料机及其磨料方法 - Google Patents

磨料机及其磨料方法 Download PDF

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Publication number
WO2024040777A1
WO2024040777A1 PCT/CN2022/135161 CN2022135161W WO2024040777A1 WO 2024040777 A1 WO2024040777 A1 WO 2024040777A1 CN 2022135161 W CN2022135161 W CN 2022135161W WO 2024040777 A1 WO2024040777 A1 WO 2024040777A1
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WO
WIPO (PCT)
Prior art keywords
powder
abrasive
transmission shaft
component
grinding
Prior art date
Application number
PCT/CN2022/135161
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English (en)
French (fr)
Inventor
陈学军
马龙
王治
Original Assignee
珠海横琴鑫润智能制造有限公司
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Application filed by 珠海横琴鑫润智能制造有限公司 filed Critical 珠海横琴鑫润智能制造有限公司
Publication of WO2024040777A1 publication Critical patent/WO2024040777A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J42/00—Coffee mills; Spice mills
    • A47J42/32—Coffee mills; Spice mills with other grinding or pulverising members
    • A47J42/36—Coffee mills; Spice mills with other grinding or pulverising members mechanically driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J42/00—Coffee mills; Spice mills
    • A47J42/38—Parts or details
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J42/00—Coffee mills; Spice mills
    • A47J42/38—Parts or details
    • A47J42/46—Driving mechanisms; Coupling to drives

Definitions

  • the invention belongs to the field of household appliances, and specifically relates to an abrasive machine and an abrasive method thereof.
  • bean grinders and bean grinding pressure coffee pots with automatic powder pressing function have appeared on the market.
  • Such products generally include an automatic bean grinding mechanism and an automatic powder pressing mechanism, and two different motors drive the grinding wheels respectively. and the powder pressing wheel rotate to realize the function of grinding beans and pressing powder.
  • two sets of transmission mechanisms are needed.
  • the two motors drive two sets of gear transmission mechanisms respectively.
  • the combined size of the two sets of mechanisms is larger, which not only causes the coffee bean grinder and the grinding bean pressure to be
  • the size of the machine is larger, and the cost of the coffee bean grinder and the bean grinding pressure coffee machine is higher and expensive.
  • the object of the present invention is to provide a grinding machine and a grinding method thereof.
  • the present invention can simultaneously realize the grinding function and the powder pressing function of the grinding machine through a driver, thereby reducing the size of the grinding machine and reducing the production cost of the grinding machine.
  • the invention provides an abrasive machine, which includes a main body, an abrasive device, a powder pressing device, and a driving device;
  • the abrasive device includes an abrasive shell installed on the main body and an abrasive component located in the abrasive shell;
  • the powder pressing device includes a powder collector and a powder pressing component
  • the driving device includes a driver provided on the main body, a first transmission shaft installed on the abrasive component, and a second transmission shaft installed on the powder pressing component; the driver and the first transmission shaft
  • the transmission shaft is transmission connected, the second transmission shaft is transmission connected with the first transmission shaft, and the second transmission shaft is slidably installed relative to the powder collector.
  • the driving device further includes a shaft sleeve connected to the first transmission shaft; the shaft sleeve has a sleeve hole; one end of the second transmission shaft is slidably located in the sleeve hole, and the third transmission shaft is slidably mounted in the sleeve hole.
  • a transmission shaft, the second transmission shaft, and the shaft sleeve rotate synchronously.
  • the driving device further includes a first spring; the sleeve hole penetrates the shaft sleeve, and the sleeve hole has a first opening and a second opening; one end of the first transmission shaft extends from the The first hole is inserted into the sleeve hole, one end of the second transmission shaft is slidably installed in the sleeve hole from the second hole, and the first spring is located in the sleeve hole and clamped held between the first drive shaft and the second drive shaft.
  • an abrasive channel is formed between the abrasive shell and the abrasive component
  • the powder collector has a powder storage tank connected with the abrasive channel
  • the powder pressing component is located in the powder storage tank
  • the abrasive channel is located directly above the powder storage tank.
  • the driving device further includes a transmission wheel set; the driver has a rotating shaft, the transmission wheel set has an input gear and an output gear, and the input gear is installed on the rotating shaft and connected with the rotating shaft.
  • the output gear is installed on the first transmission shaft and rotates synchronously with the first transmission shaft, the output gear is provided with a blanking channel, the abrasive channel, the blanking channel, the The powder storage troughs are arranged in sequence from top to bottom and connected in sequence.
  • the driving device also includes a second spring and an anti-jamming ball;
  • the output gear is provided with a first positioning groove
  • the abrasive component is provided with a second positioning groove and an axis hole;
  • the abrasive component passes The shaft hole is sleeved on the first transmission shaft, the second spring is installed in the first positioning groove, and the anti-jamming ball is clamped between the second spring and the abrasive component.
  • a part of the anti-jamming ball is located in the first positioning groove, and the remaining part of the anti-jamming ball is located in the second positioning groove.
  • the abrasive shell has internal grinding teeth
  • the abrasive component has external grinding teeth.
  • the abrasive channel is formed between the external grinding teeth and the inner grinding teeth.
  • the width of the abrasive channel is from top to bottom. gradually decreases.
  • each of the internal grinding teeth and each of the external grinding teeth are arranged at intervals along the circumferential direction of the abrasive component,
  • Each of the internal grinding teeth and each of the external grinding teeth extend along a first spiral trajectory, and the abrasive channel extends along the first spiral trajectory;
  • the pressed powder component includes pressed powder blocks; there are multiple pressed powder blocks, and a plurality of the pressed powder blocks are arranged at intervals along the circumferential direction of the second transmission shaft, and each of the pressed powder blocks has a pressed powder block.
  • the powder storage trough is connected.
  • the rotation direction of the first spiral trajectory is opposite to the rotation direction of the second spiral trajectory.
  • the invention also provides a grinding method for a grinding machine, which method includes the following steps:
  • Add raw materials into the abrasive channel start the driver to drive the first transmission shaft to rotate in the first direction, and the first transmission shaft drives the abrasive component to rotate to grind the raw materials in the abrasive channel into powder;
  • the first transmission shaft drives the powder compaction component to rotate through the second transmission shaft.
  • the raw materials ground into powder fall into the powder storage tank one after another, and the powder compaction component While rotating, the raw materials ground into powder in the powder storage tank are compacted;
  • the powder pressing component gradually rises and pushes the second transmission shaft to slide in the direction away from the powder storage tank;
  • the abrasive part and the powder pressing part of the present invention are drivingly connected through the first transmission shaft and the second transmission shaft, and the abrasive part and the powder pressing part rotate simultaneously through the same driver and the same set of transmission mechanism (transmission wheel set).
  • the powder part can slide relative to the abrasive part. As the powder in the powder collector increases, the powder pressing part gradually rises, realizing the abrasive function and powder pressing function of the abrasive machine.
  • the invention can reduce the size of the grinding machine and the production cost of the grinding machine.
  • Figure 1 is a cross-sectional view of the abrasive machine
  • Figure 2 is a schematic diagram of the connection of the abrasive component, the first transmission shaft, the second transmission shaft, and the driver;
  • Figure 3 is an exploded view of the abrasive device, powder pressing device and driving device
  • Figure 4 is a schematic structural diagram of the first transmission shaft, the second transmission shaft, the shaft sleeve, and the powder pressing components;
  • Figure 5 is a cross-sectional view of the output gear, the first transmission shaft, the second transmission shaft, and the bushing;
  • Figure 6 is an exploded view of the abrasive component, first drive shaft, and output gear
  • Figure 7 is a cross-sectional view of the abrasive component, the first drive shaft, and the output gear;
  • Figure 8 is a schematic diagram of the connection between the second transmission shaft and the powder pressing component
  • Figure 9 is a schematic structural diagram of the powder pressing component.
  • Powder pressing device 31. Powder receiver; 32. Powder pressing parts; 311. Powder storage tank; 312. Handle; 321. Central shaft; 322. Powder pressing block; 323. Powder guide channel; 3221. Powder pressing surface ;3222, powder guide surface;
  • Driving device 41. Driver; 42. First transmission shaft; 43. Second transmission shaft; 44. Bushing; 45. First spring; 46. Transmission wheel set; 47. Second spring; 48. Anti-jamming Ball; 49, positioning ring; 421, first limit ring; 431, second limit ring; 441, sleeve hole; 461, input gear; 462, output gear; 463, transmission gear; 491, ball hole; 4621, Blanking channel; 4622, first positioning slot; 4623, positioning column.
  • connection In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms “installation”, “connection”, “connection”, “connection”, “butting” and “clamping” should be used in a broad sense. It is understood that, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or it can be an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, and it can be two elements. Internal connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • first, second, etc. are used in the invention to describe various information, but this information should not be limited to these terms. These terms Used only to distinguish information of the same type from each other. For example, without departing from the scope of the invention, “first” information may also be called “second” information, and similarly, “second” information may also be called “first” information.
  • a grinding machine includes a main body 10 , an abrasive device 20 , a powder pressing device 30 , and a driving device 40 .
  • the abrasive device 20, the compacting device 30, and the driving device 40 are respectively installed on the main body 10.
  • the grinding device 20 can grind granular raw materials such as coffee beans into powder
  • the powder pressing device 30 can compact the powder
  • the driving device 40 can drive the grinding device 20 and the powder pressing device 30 to work at the same time.
  • the abrasive device 20 includes an abrasive shell 21 installed on the main body 10 and an abrasive component 22 located in the abrasive shell 21; the abrasive shell 21 has a grinding chamber, and the abrasive component 22 is rotatably installed in the grinding chamber. When the abrasive component 22 rotates , the raw material is ground into powder through the extrusion friction between the abrasive component 22 and the inner wall of the grinding chamber.
  • the powder pressing device 30 includes a powder receiving device 31 and a powder pressing component 32; the powder receiving device 31 can receive the powder ground by the abrasive device 20.
  • the grinding device 20 continuously transports the ground powder into the powder collector 31 .
  • the powder pressing component 32 is rotatably installed in the powder collector 31 and is located above the powder. The powder in the powder collector 31 is compacted by the rotation and extrusion of the powder pressing component 32 .
  • the driving device 40 includes a driver 41 provided on the main body 10 , a first transmission shaft 42 installed on the abrasive component 22 , and a second transmission shaft 43 installed on the compacted powder component 32 .
  • the driver 41 is a motor or a motor or other equipment.
  • the first transmission shaft 42 and the second transmission shaft 43 are arranged in sequence from top to bottom. The rotation axes of the first transmission shaft 42 and the second transmission shaft 43 overlap and are arranged vertically.
  • the driver 41 is transmission connected with the first transmission shaft 42, and the driver 41 is transmission connected with the first transmission shaft 42, so that the first transmission shaft 42 can rotate.
  • the second transmission shaft 43 is transmission connected with the first transmission shaft 42. While the first transmission shaft 42 drives the second transmission shaft 43 to rotate synchronously, the second transmission shaft 43 can also slide up and down relative to the powder collector 31.
  • the driver 41 When the abrasive machine is working, the driver 41 is started, and the driver 41 drives the abrasive component 22 of the abrasive device 20 and the powder compacting component 32 of the compacting device 30 to rotate at the same time.
  • the abrasive component 22 rotates, the raw materials are ground into powder and the powder is continuously transported to
  • the powder collector 31 and the powder pressing part 32 rotate, the powder falling into the powder collector 31 will be compacted.
  • the powder in the powder collector 31 continues to increase, the height of the compacted powder in the powder collector 31 will change.
  • the powder pressing part 32 When raised, the powder pressing part 32 will move upward while rotating. After grinding and compacting the powder, take out the powder collector 31, and the compacting component 32 will automatically move downward and reset under the action of gravity.
  • This application realizes grinding and powder pressing through one driver 41, without the need for different drivers 41 to drive the abrasive part 22 and the powder pressing part 32 respectively, which can reduce the size of the grinding machine and the production cost of the
  • the abrasive and pressed powder when the driver 41 drives the abrasive component 22 and the pressed powder component 32 to rotate, the abrasive and pressed powder may be rotated at the same time or at different times. In this embodiment, the abrasive and pressed powder may not be rotated at the same time. That is, when the driver 41 rotates in the first direction, the abrasive component 22 rotates to grind powder, and the compacting component 32 rotates idling but does not compact powder. When the driver 41 rotates in the second direction opposite to the first direction, the abrasive component 22 rotates to grind powder. The part 22 is idle but does not grind powder, and the compacting part 32 rotates to compact powder.
  • the driving device 40 also includes a sleeve 44 connected to the first transmission shaft 42; the sleeve 44 has a sleeve hole 441; one end of the second transmission shaft 43 Slidingly installed in the sleeve hole 441, the first transmission shaft 42, the second transmission shaft 43 and the sleeve 44 rotate synchronously.
  • the cross-section of the sleeve hole 441 is an irregular shape, such as an ellipse, a square, etc., and the cross-section of the lower end of the first transmission shaft 42 and the cross-section of the upper end of the second transmission shaft 43 match the cross-section of the sleeve hole 441, so that the One transmission shaft 42 can drive the second transmission shaft 43 to rotate synchronously, and at the same time, the second transmission shaft 43 can slide up and down along the sleeve hole 441 .
  • the cross section of the sleeve hole 441 may also be circular, and the inner wall of the sleeve hole 441 is provided with a strip groove extending along the axial direction of the first transmission shaft 42 or the second transmission shaft 43.
  • the second transmission shaft 43 is provided with a sliding rod sliding in the strip groove, so that the first transmission shaft 42 can drive the second transmission shaft 43 to rotate synchronously and at the same time the second transmission shaft 43 can slide up and down along the sleeve hole 441.
  • the driving device 40 further includes a first spring 45; a sleeve hole 441 passes through the sleeve 44, and the sleeve hole 441 has a first opening and a second opening; the lower end of the first transmission shaft 42 passes through the sleeve 44; A hole is inserted into the sleeve hole 441, and the lower end of the first transmission shaft 42 is connected to the upper end of the shaft sleeve 44 and rotates synchronously.
  • the upper end of the second transmission shaft 43 is slidably located in the sleeve hole 441 from the second hole.
  • the second transmission shaft 43 is connected to the lower end of the sleeve 44 and rotates synchronously.
  • the upper end of the second transmission shaft 43 can also move up and down along the sleeve hole 441. slide.
  • the first spring 45 is located in the sleeve hole 441 and is clamped between the first transmission shaft 42 and the second transmission shaft 43 .
  • the first spring 45 can prevent the lower end of the first transmission shaft 42 from colliding with the upper end of the second transmission shaft 43, and can also facilitate the downward movement and reset of the second transmission shaft 43 after the powder compaction is completed.
  • the lower end of the first transmission shaft 42 and the upper end of the second transmission shaft 43 are both provided with limiting grooves, and both ends of the first spring 45 are respectively clamped into the limiting grooves to prevent the first spring 45 from being inserted into the limiting grooves. radial deformation.
  • the first transmission shaft 42 and the second transmission shaft 43 can also be directly connected. That is, the first transmission shaft 42 or the second transmission shaft 43 is provided with a plug hole, the first transmission shaft 42 or the second transmission shaft 43 is inserted into the plug hole, and the inner wall of the plug hole is provided with a plug hole along the first transmission shaft 42 or 43 .
  • the second transmission shaft 43 has a strip groove extending in the axial direction, and the first transmission shaft 42 or the second transmission shaft 43 is provided with a sliding rod that slides in the strip groove.
  • the first transmission shaft 42 is provided with a first shoulder
  • the second transmission shaft 43 is provided with a second shoulder.
  • the width of the first shoulder and the second shoulder are both larger than the diameter of the sleeve hole 441.
  • the first shoulder and the second shoulder play a limiting role to prevent the first transmission shaft 42 and the second transmission shaft 43 from being inserted into the sleeve hole 441. Too deep.
  • the first transmission shaft 42 is also provided with a first limiting ring 421.
  • the first limiting ring 421 is located above the first shoulder.
  • the diameter of the first limiting ring 421 is larger than the first shoulder.
  • the second transmission shaft 43 is also provided with a second limiting ring 431, the second limiting ring 431 is located below the second shoulder, and the diameter of the second limiting ring 431 is greater than the width of the second shoulder, further preventing the first transmission
  • the shaft 42 and the second transmission shaft 43 are inserted into the sleeve hole 441 too deeply.
  • the second transmission shaft 43 and the sleeve 44 match a certain size, and the up and down movement of the second transmission shaft 43 is smaller than this size, thereby ensuring that during the up and down movement of the second transmission shaft 43, the second transmission shaft 43 and The sleeve 44 will not slip off.
  • the diameter of the second transmission shaft 43 gradually decreases from top to bottom, and the diameter of the sleeve hole 441 decreases from top to bottom.
  • the diameter of the upper end of the second transmission shaft 43 is larger than the diameter of the lower end of the sleeve hole 441 to avoid the second The upper end of the transmission shaft 43 is separated from the sleeve hole 441.
  • an abrasive channel is formed between the abrasive shell 21 and the abrasive component 22, the powder collector 31 has a powder storage slot 311 connected with the abrasive channel, and the powder pressing component 32 It is located in the powder storage tank 311.
  • the abrasive channel is located directly above the powder storage tank 311. The powder in the abrasive channel directly falls into the powder storage tank 311 under the action of gravity, thus preventing the powder from causing internal clogging of the main body 10.
  • the driving device 40 also includes a transmission wheel set 46; the driver 41 has a rotating shaft, and the transmission wheel set 46 has an input gear 461 and an output gear 462.
  • the input gear 461 and the output gear 462 are different in diameter.
  • Several transmission gears 463 are used for transmission, and the input gear 461 and the output gear 462 are both meshed with the transmission gear 463, so that the power of the driver 41 is transmitted and the output gear 462 has an appropriate rotation speed.
  • the input gear 461 is installed on the rotation shaft of the driver 41 and rotates synchronously with the rotation shaft.
  • the output gear 462 is installed on the first transmission shaft 42 and rotates synchronously with the first transmission shaft 42.
  • the output gear 462 is provided with a blanking channel 4621.
  • the blanking channel 4621 runs through the output from top to bottom along the axis direction of the output gear 462. Gear 462. There are multiple blanking channels 4621 , and the plurality of blanking channels 4621 are arranged at intervals along the rotation axis of the output gear 462 .
  • the abrasive channel, the blanking channel 4621, and the powder storage tank 311 are arranged in sequence from top to bottom and connected in sequence.
  • the abrasive channel is located directly above the blanking channel 4621, and the blanking channel 4621 is located directly above the powder storage tank 311.
  • the abrasive channel, the blanking channel 4621, and the powder storage tank 311 are arranged in sequence in the vertical direction, so that the powder can smoothly fall into the storage tank.
  • the powder trough 311 prevents powder from clogging the abrasive channel and blanking channel 4621.
  • the driving device 40 further includes a second spring 47 and an anti-jamming ball 48 .
  • a first positioning groove 4622 is formed on the upper end surface of the output gear 462, and the first positioning groove 4622 is a blind groove.
  • the lower end surface of the abrasive component 22 is provided with a second positioning groove 221, and the second positioning groove 221 is a blind groove.
  • a central area of the abrasive member 22 is provided with a shaft hole penetrating the abrasive member 22 along the direction of the rotation axis of the abrasive member 22 .
  • the abrasive component 22 is sleeved on the first transmission shaft 42 through the shaft hole, and the abrasive component 22 is rotatable relative to the first transmission shaft 42 .
  • the second spring 47 is installed in the first positioning groove 4622, and the second spring 47 is clamped between the anti-jamming ball 48 and the bottom wall of the first positioning groove 4622.
  • the anti-jamming ball 48 is clamped between the second spring 47 and the abrasive component 22 .
  • a part of the anti-jamming ball 48 is located in the first positioning groove 4622 , and the remaining part of the anti-jamming ball 48 is located in the second positioning groove 221 .
  • the output gear 462 is installed on the first transmission shaft 42 through a flat key. When the output gear 462 drives the first transmission shaft 42 to rotate synchronously, the output gear 462 drives the abrasive component 22 to rotate through the anti-jamming ball 48 to grind the raw materials.
  • the anti-jamming ball 48 is pressed into the first positioning groove 4622 by the abrasive component 22, and the output gear 462 and the first transmission shaft 42 rotate idling to avoid causing the driver to jam due to the abrasive component 22 jamming. 41 overload.
  • the driving device 40 further includes a positioning ring 49
  • the output gear 462 is provided with a ring groove
  • the first positioning groove 4622 is provided on the bottom wall of the ring groove
  • the bottom wall of the ring groove is also provided with a ring groove.
  • the positioning post 4623 and the positioning ring 49 are provided with a ball hole 491 and a limit hole.
  • the positioning ring 49 is installed in the ring groove.
  • the positioning post 4623 snaps into the limit hole to achieve The positioning of the positioning ring 49 prevents the rotation of the positioning ring, and the anti-jamming ball 48 is located in the ball hole 491.
  • the diameter of the ball hole 491 is equal to the diameter of the anti-seize ball 48, and the diameters of the first positioning groove 4622 and the second positioning groove 221 are larger than the diameter of the anti-seize ball 48, so that the anti-seize ball 48 only rigidly collides with the positioning ring 49, reducing the anti-seize.
  • the stuck ball 48 wears the abrasive component 22 and the output gear 462 .
  • the abrasive housing 21 has internal grinding teeth 211
  • the abrasive component 22 has external grinding teeth 222
  • an abrasive channel is formed between the external grinding teeth 222 and the internal grinding teeth 211.
  • the width of the abrasive channel gradually decreases from top to bottom.
  • the granular powder falls into the abrasive channel from above and moves downward under the action of gravity.
  • the width of the abrasive channel gradually decreases from top to bottom, so the particles are ground smaller and smaller until they become powder.
  • the lower end of the abrasive component 22 is provided with a powder discharge gap connected with the abrasive channel, and finally the powder falls into the powder collector 31 from the powder discharge gap at the lower end of the abrasive channel.
  • the abrasive device 20 further includes a pre-grinding wheel 24 and a screw 23 .
  • the pre-grinding wheel 24 can improve the quality of grinding powder.
  • the pre-grinding wheel 24 is installed above the abrasive component 22.
  • the pre-grinding wheel 24 is provided with a clamping shaft, and the clamping shaft is clamped in the shaft hole of the abrasive component 22.
  • the pre-grinding wheel 24 is provided with a central through hole.
  • the screw 23 passes through the central through hole and the shaft hole of the abrasive component 22 to connect with the first transmission shaft 42.
  • the inner wall of the central through hole is provided with a hole shoulder, and the head of the screw 23 abuts in the hole shoulder, so that the pre-grinding wheel 24 is installed on on the abrasive component 22.
  • each internal grinding tooth 211 and each external grinding tooth 222 are arranged at intervals along the circumferential direction of the abrasive component 22 .
  • Each internal grinding tooth 211 and each external grinding tooth 222 extend along a first spiral trajectory.
  • the axis of the first spiral trajectory coincides with the rotation axis of the abrasive component 22.
  • the abrasive channel extends along the first spiral trajectory; the abrasive channel and the external grinding teeth 222 All extend spirally along the first spiral trajectory.
  • each external grinding tooth 222 spirally extends from top to bottom, the width of each external grinding tooth 222 gradually increases from top to bottom, and the abrasive component 22 is generally truncated, so that the width of the abrasive channel gradually decreases from top to bottom. , so the particles can be ground when the abrasive part 22 rotates in one direction, but cannot be ground when the abrasive part 22 rotates in the other opposite direction.
  • the compacted powder part 32 includes a central shaft 321 and a compacted powder block 322 .
  • the central shaft 321 is connected to the second transmission shaft 43 .
  • a plurality of pressed powder blocks 322 are arranged at intervals along the circumferential direction of the second transmission shaft 43 or the central axis 321.
  • Each pressed powder block 322 has a pressed powder surface 3221 and a powder guiding surface 3222; both the pressed powder surface 3221 and the powder guiding surface 3222 are Arc surface.
  • the powder pressing surface 3221 and the powder guide surface 3222 are spaced apart along the direction away from the powder collector 31.
  • the powder pressing surface 3221 is located at the lower end of the powder pressing block 322.
  • the powder pressing surface 3221 is used to abut the powder in the powder collector 31.
  • the powder guide surface 3222 is located at the upper end of the powder pressing block 322.
  • the powder ground by the grinding device falls on the powder guide surface 3222 from top to bottom and then falls along the arc surface of the powder guide surface 3222.
  • the powder pressing surface 3221 and the powder guiding surface 3222 are spaced apart. Both the powder pressing surface 3221 and the powder guiding surface 3222 extend along the second spiral trajectory.
  • the second spiral trajectory extends along the axis direction of the second transmission shaft 43 or the central axis 321 .
  • adjacent powder blocks 322 In the projection along the axial direction of the second transmission shaft 43, adjacent powder blocks 322 partially overlap, and an edge is formed between the powder surface 3221 of any powder block 322 and the powder guide surface 3222 of the adjacent powder block 322.
  • the second spiral trajectory extends the powder guide channel 323, and the powder guide channel 323 is connected with the powder storage slot 311.
  • Both the powder pressing surface 3221 and the powder guiding surface 3222 are arc surfaces extending spirally from top to bottom.
  • the powder-conducting surface 3221 has a first end and a second end, and the height of the powder-conducting surface 3221 gradually decreases from the first end to the second end.
  • the powder-conducting surface 3222 has a third end and a fourth end, and the height of the powder-conducting surface 3222 decreases from It gradually decreases from the third end to the fourth end.
  • the third end of the pressed powder surface 3221 of each pressed powder block 322 is located above the second end of the powder guide surface 3222 of the adjacent pressed powder block 322, so that the third end of the pressed powder surface 3221 of each pressed powder block 322
  • a powder guide channel 323 extending along the second spiral trajectory is formed between the end and the second end of the powder guide surface 3222 of the adjacent powder block 322 .
  • the fourth end of the powder guide surface 3222 is located upstream of the rotation path. At this time, the powder falling on the powder guide surface 3222 is pressed. Under the thrust of the rotation of the block 322, the powder is always in contact with the powder guide surface 3222. It is difficult for the powder to fall into the powder collector 31 from the powder guide channel 323, and the powder pressing block 322 cannot compact powder.
  • the powder compaction component 32 rotates in the other direction (clockwise in the top view of Figure 9)
  • the powder falling on the powder guide surface 3222 falls from the powder guide channel 323 under the inertia of the rotation of the powder compaction block 322.
  • the powder collector 31 and the powder compaction block 322 can compact the powder falling into the powder collector 31, so that the powder compaction component 32 can rotate in one direction to compact powder.
  • the rotation direction of the first spiral trajectory is opposite to the rotation direction of the second spiral trajectory, so that when the driver 41 rotates in one direction, the abrasive component 22 grinds powder and the compacting component 32 idles, and the driver 41 rotates in one direction. When rotating in the other direction, the powder compacting component 32 compacts powder and the abrasive component 22 rotates idling.
  • the main body 10 is also provided with a powder receiving chamber, and the powder receiving chamber is located below the blanking channel 4621 of the output gear 462 .
  • the powder receiving chamber is located below the blanking channel 4621 of the output gear 462 .
  • the upper surface of the support block is provided with grooves that match the shape of the hanging lugs. The hanging lugs abut against the support blocks and then snap into place. It is located in the groove.
  • the limitation of the groove prevents the powder collector 31 from also rotating due to the friction of the powder pressing part 32, ensuring the powder compaction effect.
  • the plurality of support blocks and the plurality of hanging lugs are arranged at intervals along the circumference of the powder collector 31 , and there are shuttle gaps between adjacent support blocks.
  • the opening of the powder receiving chamber is located at the lower end of the main body 10.
  • An abrasive method for an abrasive machine includes the following steps:
  • the raw materials are coffee bean granules.
  • the driver 41 drives the first transmission shaft 42 to rotate in the first direction.
  • the first transmission shaft 42 drives the abrasive component. 22 rotate to grind the raw materials in the abrasive channel into powder;
  • the driver 41 stops;
  • the driver 41 is started to drive the first transmission shaft 42 to rotate in the second direction opposite to the first direction.
  • the first transmission shaft 42 drives the powder pressing component 32 to rotate through the second transmission shaft 43, and the raw materials ground into powder fall into the powder storage tank one after another.
  • the powder pressing component 32 rotates while compacting the raw materials ground into powder in the powder storage tank 311;
  • the powder pressing component 32 gradually rises and pushes the second transmission shaft 43 to slide in the direction away from the powder storage tank 311;
  • the driver 41 stops;

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

一种磨料机及其磨料方法，磨料机包括主机体（10）、磨料装置（20）、压粉装置（30）、驱动装置（40）；磨料装置（20）包括安装在主机体（10）上的磨料外壳（21）、设于磨料外壳（21）内的磨料部件（22）；压粉装置（30）包括接粉器（31）、压粉部件（32）；驱动装置（40）包括设于主机体（10）上的驱动器（41）、安装在磨料部件（22）上的第一传动轴（42）、安装在压粉部件上的第二传动轴（43）；驱动器（41）与第一传动轴（42）传动连接，第二传动轴（43）与第一传动轴（42）传动连接，第二传动轴（43）相对于接粉器（31）滑动安装。通过一个驱动器（41）同时实现磨料机的磨料功能和压粉功能，减小磨料机的体积的同时降低磨料机的成本。

Description

磨料机及其磨料方法
本发明要求于2022年08月25日提交中国专利局、申请号为202211027050X，申请名称为“磨料机及其磨料方法”的中国专利申请的优先权，其全部内容通过引用结合在本发明中。
技术领域
本发明属于家用电器领域，具体涉及磨料机及其磨料方法。
背景技术
随着生活水平的提高，咖啡逐渐成为人们生活的组成部分，为了满足消费者对咖啡粉新鲜度的要求，市场上出现了家用的磨咖啡豆机和磨豆压力咖啡机。通常的家用磨咖啡豆机和磨豆压力咖啡机都带自动磨豆功能，用户磨出一定量的咖啡粉之后需要先将其装入接粉器中，再用手动压粉器将咖啡粉压实，操作繁琐且难度较大。
为了上述问题，市场上出现了带自动压粉功能的磨豆机和磨豆压力咖啡壶，此类产品一般包含自动磨豆机构和自动压粉机构，通过两个不同的电机分别带动磨豆轮和压粉轮转动，从而实现既磨豆又压粉的功能。但是由于有两个不同的电机，所以需要带两套传动机构，两个电机分别带动两套齿轮传动机构，两套机构相加整体尺寸较大，不仅使得导致磨咖啡豆机和磨豆压力咖啡机的尺寸较大，而且使得磨咖啡豆机和磨豆压力咖啡机成本较高、造价昂贵。
发明内容
本发明的目的在于提供一种磨料机及其磨料方法，本发明能够通过一个驱动器同时实现磨料机的磨料功能和压粉功能，减小磨料机的体积的同时降低磨 料机的生产成本。
本发明提供了一种磨料机，包括主机体、磨料装置、压粉装置、驱动装置；
所述磨料装置包括安装在所述主机体上的磨料外壳、设于所述磨料外壳内的磨料部件；
所述压粉装置包括接粉器、压粉部件；
所述驱动装置包括设于所述主机体上的驱动器、安装在所述磨料部件上的第一传动轴、安装在所述压粉部件上的第二传动轴；所述驱动器与所述第一传动轴传动连接，所述第二传动轴与所述第一传动轴传动连接，所述第二传动轴相对于所述接粉器滑动安装。
进一步的是，所述驱动装置还包括与所述第一传动轴连接的轴套；所述轴套具有套孔；所述第二传动轴的一端滑设在所述套孔内，所述第一传动轴、所述第二传动轴、所述轴套同步转动。
进一步的是，所述驱动装置还包括第一弹簧；所述套孔贯穿所述轴套，所述套孔具有第一孔口和第二孔口；所述第一传动轴的一端从所述第一孔口插设在所述套孔内，所述第二传动轴的一端从所述第二孔口滑设在所述套孔内，所述第一弹簧位于所述套孔内并夹持在所述第一传动轴和所述第二传动轴之间。
进一步的是，所述磨料外壳与所述磨料部件之间形成磨料通道，所述接粉器具有与所述磨料通道连通的存粉槽，所述压粉部件设于所述存粉槽内，所述磨料通道位于所述存粉槽的正上方。
进一步的是，所述驱动装置还包括传动轮组；所述驱动器具有转动轴，所述传动轮组具有输入齿轮和输出齿轮，所述输入齿轮安装在所述转动轴上并与所述转动轴同步转动，所述输出齿轮安装在所述第一传动轴上并与所述第一传动轴同步转动，所述输出齿轮上设有落料通道，所述磨料通道、所述落料通道、所述存粉槽从上往下依次布设并依次连通。
进一步的是，所述驱动装置还包括第二弹簧、防卡球；所述输出齿轮上开 设有第一定位槽，所述磨料部件上设有第二定位槽和轴孔；所述磨料部件通过所述轴孔套设在所述第一传动轴上，所述第二弹簧安装在所述第一定位槽内，所述防卡球夹持在所述第二弹簧和所述磨料部件之间，所述防卡球的一部分位于所述第一定位槽内，所述防卡球的其余部分位于所述第二定位槽内。
进一步的是，所述磨料外壳具有内磨齿，所述磨料部件具有外磨齿，所述外磨齿和所述内磨齿之间形成所述磨料通道，所述磨料通道的宽度从上往下逐渐减小。
进一步的是，所述内磨齿的数量和所述外磨齿的数量分别有多个，各所述内磨齿和各所述外磨齿均沿着所述磨料部件的周向间隔布设，各所述内磨齿和各所述外磨齿均沿第一螺旋轨迹延伸，所述磨料通道沿所述第一螺旋轨迹延伸；
所述压粉部件包括压粉块；所述压粉块的数量有多个，多个所述压粉块沿着所述第二传动轴的周向间隔布设，各所述压粉块具有压粉面和导粉面；所述压粉面和所述导粉面沿着背离所述接粉器的方向间隔布设，所述压粉面和所述导粉面均沿着第二螺旋轨迹延伸，任意所述压粉块的所述压粉面与相邻的所述压粉块的所述导粉面之间形成沿所述第二螺旋轨迹延伸的导粉通道，所述导粉通道与所述存粉槽连通。
进一步的是，所述第一螺旋轨迹的旋转方向和所述第二螺旋轨迹的旋转方向相反。
本发明还提供一种磨料机的磨料方法，该方法包括如下步骤：
向磨料通道内添加原料，启动驱动器带动第一传动轴沿第一方向转动，第一传动轴带动磨料部件转动将磨料通道内的原料研磨成粉；
磨料部件研磨预设时长之后，驱动器停止；
启动驱动器带动第一传动轴沿与第一方向相反的第二方向转动，第一传动轴通过第二传动轴带动压粉部件转动，研磨成粉的原料陆续落入存粉槽内，压粉部件一边转动一边压实存粉槽内研磨成粉的原料；
随着存粉槽内研磨成粉的原料的高度增加，压粉部件逐渐升高并推动第二传动轴沿着背离存粉槽的方向滑动；
压粉部件转动压实预设时长之后，驱动器停止。
本发明所提供的技术方案具有以下的优点及效果：
本发明的磨料部件和压粉部件通过第一传动轴和第二传动轴传动连接，通过同一个驱动器和同一套传动机构(传动轮组)实现磨料部件和压粉部件同时转动，本发明的压粉部件能够相对磨料部件滑动，随着接粉器内的粉料增多，压粉部件逐渐升高，实现了磨料机的磨料功能和压粉功能。本发明能够减小磨料机的体积的同时降低磨料机的生产成本。
附图说明
图1是磨料机的剖视图；
图2是磨料部件、第一传动轴、第二传动轴、驱动器的连接示意图；
图3是磨料装置、压粉装置、驱动装置的爆炸视图；
图4是第一传动轴、第二传动轴、轴套、压粉部件的结构示意图；
图5是输出齿轮、第一传动轴、第二传动轴、轴套的剖视图；
图6是磨料部件、第一传动轴、输出齿轮的爆炸视图；
图7是磨料部件、第一传动轴、输出齿轮的剖视图；
图8是第二传动轴、压粉部件的连接示意图；
图9是压粉部件的结构示意图。
附图标记说明：
10、主机体；
20、磨料装置；21、磨料外壳；22、磨料部件；23、螺钉；24、预磨轮；211、内磨齿；221、第二定位槽；222、外磨齿；
30、压粉装置；31、接粉器；32、压粉部件；311、存粉槽；312、手柄；321、中心轴；322、压粉块；323、导粉通道；3221、压粉面；3222、导粉面；
40、驱动装置；41、驱动器；42、第一传动轴；43、第二传动轴；44、轴套；45、第一弹簧；46、传动轮组；47、第二弹簧；48、防卡球；49、定位环；421、第一限位环；431、第二限位环；441、套孔；461、输入齿轮；462、输出齿轮；463、传动齿轮；491、球孔；4621、落料通道；4622、第一定位槽；4623、定位柱。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“连通”、“抵接”、“夹持”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
除非特别说明或另有定义，在发明的描述中，需要理解的是，发明中采用 术语“第一”、“第二”等来描述各种信息，但这些信息不应限于这些术语，这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离发明范围的情况下，“第一”信息也可以被称为“第二”信息，类似的，“第二”信息也可以被称为“第一”信息。
除非特别说明或另有定义，本发明所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
为叙述方便，除另有说明外，下文所说的上下方向与图1本身的上下方向一致。
如图1至图3所示，一种磨料机，包括主机体10、磨料装置20、压粉装置30、驱动装置40。磨料装置20、压粉装置30、驱动装置40分别安装在主机体10上。磨料装置20可以将咖啡豆等颗粒原料研磨成粉料，压粉装置30可以将粉料压实，驱动装置40可以同时驱动磨料装置20、压粉装置30工作。
磨料装置20包括安装在主机体10上的磨料外壳21、设于磨料外壳21内的磨料部件22；磨料外壳21具有研磨腔，磨料部件22转动式安装在研磨腔内，磨料部件22转动的时候，通过磨料部件22与研磨腔的内壁之间的挤压摩擦将原料研磨成粉料。
压粉装置30包括接粉器31、压粉部件32；接粉器31可以接纳磨料装置20研磨好的粉料。磨料装置20将磨好粉料的粉料不断地输送到接粉器31内。压粉部件32转动式安装在接粉器31内并位于粉料的上方，通过压粉部件32的转动挤压使得接粉器31内的粉料压实。
驱动装置40包括设于主机体10上的驱动器41、安装在磨料部件22上的第一传动轴42、安装在压粉部件32上的第二传动轴43。驱动器41为电机或者马达等设备。第一传动轴42、第二传动轴43从上往下依次设置，第一传动轴42、第二传动轴43的转动轴线重合且竖直设置。驱动器41与第一传动轴42传动连接，驱动器41与第一传动轴42传动连接，从而使得第一传动轴42能够转动。第二传动轴43与第一传动轴42传动连接，第一传动轴42带动第二传动轴43同步转动的同时，第二传动轴43也能相对于接粉器31上下滑动。
磨料机工作时，启动驱动器41，驱动器41带动磨料装置20的磨料部件22和压粉装置30的压粉部件32同时转动，磨料部件22转时将原料磨成粉料并将粉料陆续输送到接粉器31，压粉部件32转动时将落入接粉器31内粉料压实，随着接粉器31内粉料的不断增加，接粉器31内压实的粉料的高度会升高，压粉部件32会一边转动一边向上移动。结束磨粉压粉之后，取出接粉器31，压粉部件32在重力的作用下自动下移复位。本申请通过一个驱动器41实现研磨和压粉，不需要不同的驱动器41分别驱动磨料部件22和压粉部件32，能够减小磨料机的体积的同时降低磨料机的生产成本。
具体的，在一些实施例中，驱动器41驱动磨料部件22和压粉部件32转动时，磨料和压粉可以是同时进行，也可以是不同时进行，本实施例中，磨料和压粉不同时进行，即驱动器41沿着第一方向转动的时候，磨料部件22转动磨粉，压粉部件32空转但是不进行压粉，驱动器41沿着与第一方向相反的第二方向转动的时候，磨料部件22空转但是不进行磨粉，压粉部件32转动压粉。
如图3至图5所示，具体的，在一些实施例中，驱动装置40还包括与第一传动轴42连接的轴套44；轴套44具有套孔441；第二传动轴43的一端滑设在套孔441内，第一传动轴42、第二传动轴43、轴套44同步转动。套孔441的横截面是不规则形状，例如椭圆形、方形等，第一传动轴42下端的横截面和第二传动轴43上端的横截面与套孔441的横截面相匹配的，使得第一传动轴42能够带动第二传动轴43同步转动的同时第二传动轴43能够沿着套孔441上下滑动。
除此之外，套孔441的横截面也可以是圆形，套孔441的内壁设有沿着第一传动轴42或第二传动轴43的轴线方向延伸的条形槽，第二传动轴43上设有滑设在条形槽内的滑杆，也可以实现第一传动轴42能够带动第二传动轴43同步转动的同时第二传动轴43能够沿着套孔441上下滑动。
具体的，在一些实施例中，驱动装置40还包括第一弹簧45；套孔441贯穿轴套44，套孔441具有第一孔口和第二孔口；第一传动轴42的下端从第一孔口插设在套孔441内，第一传动轴42的下端与轴套44上端连接且同步转动。第二传动轴43的上端从第二孔口滑设在套孔441内，第二传动轴43与轴套44 下端连接且同步转动，第二传动轴43的上端也可以沿着套孔441上下滑动。第一弹簧45位于套孔441内并夹持在第一传动轴42和第二传动轴43之间。第一弹簧45可以避免第一传动轴42的下端和第二传动轴43的上端发生碰撞，也可以便于压粉结束之后第二传动轴43向下移动复位。
具体的，在一些实施例中，第一传动轴42的下端和第二传动轴43的上端均设有限位槽，第一弹簧45的两端分别卡入限位槽内，避免第一弹簧45的径向变形。
具体的，在一些实施例中，第一传动轴42和第二传动轴43也可以直接套接。即第一传动轴42或第二传动轴43上设有插孔，第一传动轴42或第二传动轴43插设在插孔内，插孔的内壁设有沿着第一传动轴42或第二传动轴43的轴线方向延伸的条形槽，第一传动轴42或第二传动轴43上设有滑设在条形槽内的滑杆。
具体的，在一些实施例中，第一传动轴42设有第一轴肩，第二传动轴43设有第二轴肩。第一轴肩、第二轴肩的宽度均大于套孔441的直径，第一轴肩、第二轴肩起到限位作用，避免第一传动轴42、第二传动轴43插入套孔441过深。
具体的，在一些实施例中，第一传动轴42还设有第一限位环421，第一限位环421位于第一轴肩上方，第一限位环421的直径大于第一轴肩宽度，第二传动轴43还设有第二限位环431，第二限位环431位于第二轴肩下方，第二限位环431的直径大于第二轴肩宽度，进一步防止第一传动轴42、第二传动轴43插入套孔441过深。
具体的，第二传动轴43和轴套44配合一定的尺寸，第二传动轴43上下移动的行程小于此尺寸，以此确保第二传动轴43上下移动的过程中，第二传动轴43和轴套44不会滑脱。优选的，第二传动轴43的直径从上往下逐渐递减小，套孔441的直径从上往下组件减小，第二传动轴43上端的直径大于套孔441下端的直径，避免第二传动轴43上端从套孔441脱离。
如图1至图4所示，具体的，在一些实施例中，磨料外壳21与磨料部件 22之间形成磨料通道，接粉器31具有与磨料通道连通的存粉槽311，压粉部件32设于存粉槽311内，磨料通道位于存粉槽311的正上方，磨料通道内的粉料在重力的作用下直接落入存粉槽311，避免了粉料造成主机体10内部堵塞。
具体的，在一些实施例中，驱动装置40还包括传动轮组46；驱动器41具有转动轴，传动轮组46具有输入齿轮461和输出齿轮462，输入齿轮461和输出齿轮462之间通过直径不同的若干传动齿轮463传动，输入齿轮461和输出齿轮462均与传动齿轮463啮合，实现驱动器41动力的传动的同时使得输出齿轮462具有合适的转速。输入齿轮461安装在驱动器41的转动轴上并与转动轴同步转动。输出齿轮462安装在第一传动轴42上并与第一传动轴42同步转动，输出齿轮462上设有落料通道4621，落料通道4621从上往下沿着输出齿轮462的轴线方向贯穿输出齿轮462。落料通道4621有多个，多个落料通道4621沿着输出齿轮462的转动轴线周向间隔布设。磨料通道、落料通道4621、存粉槽311从上往下依次布设并依次连通。磨料通道位于落料通道4621的正上方，落料通道4621位于存粉槽311的正上方，磨料通道、落料通道4621、存粉槽311在竖直方向依次设置，粉料可以顺利落入存粉槽311，避免了粉料堵塞磨料通道、落料通道4621。
如图6至图7所示，具体的，在一些实施例中，驱动装置40还包括第二弹簧47、防卡球48。输出齿轮462的上端面上开设有第一定位槽4622，第一定位槽4622为盲槽。磨料部件22的下端面设有第二定位槽221，第二定位槽221为盲槽。磨料部件22的中央区域设有沿着磨料部件22的转动轴线方向贯穿磨料部件22的轴孔。磨料部件22通过轴孔套设在第一传动轴42上，磨料部件22相对于第一传动轴42可以转动。第二弹簧47安装在第一定位槽4622内，第二弹簧47夹持在防卡球48与第一定位槽4622的底壁之间。防卡球48夹持在第二弹簧47和磨料部件22之间，防卡球48的一部分位于第一定位槽4622内，防卡球48的其余部分位于第二定位槽221内。第二弹簧47、防卡球48、第一定位槽4622、第二定位槽221均有多个且一一对应。输出齿轮462通过平键安装在第一传动轴42上，输出齿轮462带动第一传动轴42同步转动的时候，输出齿轮462通过防卡球48带动磨料部件22转动，实现对原料进行 研磨。当磨料通道的原料造成磨料部件22卡死的时候，防卡球48被磨料部件22压入第一定位槽4622，输出齿轮462、第一传动轴42空转，避免因磨料部件22卡死造成驱动器41过载。
具体的，在一些实施例中，驱动装置40还包括定位环49，输出齿轮462上设有环槽，第一定位槽4622设在环槽的底壁上，环槽的底壁上还设有定位柱4623，定位环49设有球孔491和限位孔，定位环49安装在环槽内，定位柱4623、限位孔有多个且一一对应，定位柱4623卡入限位孔实现定位环49的定位防止限位环转动，防卡球48位于球孔491内。球孔491的直径等于防卡球48的直径，第一定位槽4622、第二定位槽221直径大于防卡球48的直径，从而使得防卡球48只与定位环49产生刚性碰撞，降低防卡球48对磨料部件22、输出齿轮462的磨损。
如图6至图9所示，具体的，在一些实施例中，磨料外壳21具有内磨齿211，磨料部件22具有外磨齿222，外磨齿222和内磨齿211之间形成磨料通道，磨料通道的宽度从上往下逐渐减小。颗粒状的粉料从上落入磨料通道，在重力的作用下往下移动，磨料通道的宽度从上往下逐渐减小，因此颗粒被磨的越来越小直至成为粉料。磨料部件22的下端设有与磨料通道连通的出粉间隙，最后粉料从磨料通道下端的出粉间隙落入接粉器31。
具体的，在一些实施例中，磨料装置20还包括预磨轮24和螺钉23。预磨轮24可以提高磨粉的质量。预磨轮24安装在磨料部件22的上方，预磨轮24设有卡轴，卡轴卡设在磨料部件22的轴孔内。预磨轮24设有中心通孔。螺钉23穿过中心通孔和磨料部件22的轴孔与第一传动轴42连接，中心通孔的内壁设有孔肩，螺钉23的杆头抵接在孔肩内，使得预磨轮24安装在磨料部件22上。
具体的，在一些实施例中，内磨齿211的数量和外磨齿222的数量分别有多个，各内磨齿211和各外磨齿222均沿着磨料部件22的周向间隔布设。各内磨齿211和各外磨齿222均沿第一螺旋轨迹延伸，第一螺旋轨迹的轴线与磨料部件22的转动轴线重合，磨料通道沿第一螺旋轨迹延伸；磨料通道、外磨齿222均沿着第一螺旋轨迹螺旋延伸。各外磨齿222从上往下螺旋延伸的同时， 各外磨齿222的宽度从上往下逐渐增大，磨料部件22整体呈圆台状，从而使得磨料通道的宽度从上往下逐渐减小，因此磨料部件22往其中一个方向转动的时候能够将颗粒磨粉，磨料部件22往另一个相反的方向转动的时候不能磨粉。
压粉部件32包括中心轴321和压粉块322。中心轴321与第二传动轴43连接。压粉块322的数量有多个，本实施例中，压粉块322的数量有两个。多个压粉块322沿着第二传动轴43或中心轴321的周向间隔布设，各压粉块322具有压粉面3221和导粉面3222；压粉面3221和导粉面3222均为圆弧面。压粉面3221和导粉面3222沿着背离接粉器31的方向间隔布设，压粉面3221位于压粉块322的下端，压粉面3221用于抵接在接粉器31的粉料上实现粉料的压实，导粉面3222位于压粉块322的上端，磨粉装置磨好的粉料从上往下落在导粉面3222上然后沿着导粉面3222的弧面落入接粉器31。压粉面3221和导粉面3222间隔设置，压粉面3221和导粉面3222均沿着第二螺旋轨迹延伸，第二螺旋轨迹沿着第二传动轴43或中心轴321的轴线方向延伸。沿着第二传动轴43的轴线方向的投影，相邻的压粉块322部分重合，任意压粉块322的压粉面3221与相邻的压粉块322的导粉面3222之间形成沿第二螺旋轨迹延伸的导粉通道323，导粉通道323与存粉槽311连通。压粉面3221和导粉面3222均为从上往下螺旋延伸的圆弧面。压粉面3221具有第一端和第二端，压粉面3221的高度从第一端至第二端逐渐降低，导粉面3222具有第三端和第四端，导粉面3222的高度从第三端至第四端逐渐降低。每个压粉块322的压粉面3221的第三端均位于相邻压粉块322的导粉面3222的第二端上方，从而使得每个压粉块322的压粉面3221的第三端与相邻的压粉块322的导粉面3222的第二端之间形成沿第二螺旋轨迹延伸的导粉通道323。压粉部件32往其中一个方向(图9俯视图的逆时针方向)转动的时候压粉，导粉面3222第四端位于旋转路径的上游，此时落在导粉面3222的粉料在压粉块322转动的推力作用下，粉料始终抵接在导粉面3222上，粉料难以从导粉通道323落入接粉器31，压粉块322不能压粉。压粉部件32往另一个方向(图9俯视图的顺时针方向)转动的时候，此时落在导粉面3222的粉料在压粉块322转动的惯性作用下从导粉通道323落入接粉器31，压粉块322能够将落入接粉器31的粉料压实， 实现压粉部件32能够单向转动压粉。
具体的，在一些实施例中，第一螺旋轨迹的旋转方向和第二螺旋轨迹的旋转方向相反，使得驱动器41往其中一个方向转动时磨料部件22磨粉且压粉部件32空转，驱动器41往另一个方向转动时压粉部件32压粉，磨料部件22空转。
具体的，在一些实施例中，主机体10上还开设有接粉腔，接粉腔位于输出齿轮462的落料通道4621的下方。接粉腔的内壁上设有若干支撑块，接粉器31上设有若干挂耳，支撑块上表面设有与挂耳的形状相匹配的凹槽，挂耳抵接在支撑块上之后卡设在凹槽内，压粉部件32转动的时候，通过凹槽的限位防止因为压粉部件32的摩擦力带动接粉器31也转动，保证粉料压实的效果。
多个支撑块和多个挂耳均沿着接粉器31的周向间隔布设，相邻的支撑块之间具有穿梭间隙。接粉腔的腔口位于主机体10的下端，接粉器31安装时，握持接粉器31的手柄312使得接粉器31从接粉腔的腔口向上移动，接粉器31的挂耳穿过穿梭间隙移动到支撑块的上方，然后水平转动接粉器31使得挂耳位于支撑块的正上方，最后将接粉器31通过挂耳放在支撑块上。
一种磨料机的磨料方法，包括如下步骤：
向磨料装置20的磨料通道内添加原料，原料为咖啡豆都颗粒原料，启动驱动器41沿第一方向转动，驱动器41带动第一传动轴42沿第一方向转动，第一传动轴42带动磨料部件22转动将磨料通道内的原料研磨成粉；
磨料部件22研磨预设时长之后，驱动器41停止；
启动驱动器41带动第一传动轴42沿与第一方向相反的第二方向转动，第一传动轴42通过第二传动轴43带动压粉部件32转动，研磨成粉的原料陆续落入存粉槽311内，压粉部件32一边转动一边压实存粉槽311内研磨成粉的原料；
随着存粉槽311内研磨成粉的原料的高度增加，压粉部件32逐渐升高并推动第二传动轴43沿着背离存粉槽311的方向滑动；
压粉部件32转动压实预设时长之后，驱动器41停止；
最后将接粉器31取下，压粉部件32在重力和弹簧的作用下往下掉落，直到下降到初始位置。
以上实施例也并非是基于本发明的穷尽性列举，在此之外，还可以存在多个未列出的其他实施方式。在不违反本发明构思的基础上所作的任何替换与改进，均属本发明的保护范围。

Claims (10)

  1. 磨料机，其特征在于，包括主机体、磨料装置、压粉装置、驱动装置；
    所述磨料装置包括安装在所述主机体上的磨料外壳、设于所述磨料外壳内的磨料部件；
    所述压粉装置包括接粉器、压粉部件；
    所述驱动装置包括设于所述主机体上的驱动器、安装在所述磨料部件上的第一传动轴、安装在所述压粉部件上的第二传动轴；所述驱动器与所述第一传动轴传动连接，所述第二传动轴与所述第一传动轴传动连接，所述第二传动轴相对于所述接粉器滑动安装。
  2. 根据权利要求1所述的磨料机，其特征在于，所述驱动装置还包括与所述第一传动轴连接的轴套；所述轴套具有套孔；所述第二传动轴的一端滑设在所述套孔内，所述第一传动轴、所述第二传动轴、所述轴套同步转动。
  3. 根据权利要求2所述的磨料机，其特征在于，所述驱动装置还包括第一弹簧；所述套孔贯穿所述轴套，所述套孔具有第一孔口和第二孔口；所述第一传动轴的一端从所述第一孔口插设在所述套孔内，所述第二传动轴的一端从所述第二孔口滑设在所述套孔内，所述第一弹簧位于所述套孔内并夹持在所述第一传动轴和所述第二传动轴之间。
  4. 根据权利要求1至3任一项所述的磨料机，其特征在于，所述磨料外壳与所述磨料部件之间形成磨料通道，所述接粉器具有与所述磨料通道连通的存粉槽，所述压粉部件设于所述存粉槽内，所述磨料通道位于所述存粉槽的正上方。
  5. 根据权利要求4所述的磨料机，其特征在于，所述驱动装置还包括传动轮组；所述驱动器具有转动轴，所述传动轮组具有输入齿轮和输出齿轮，所述输入齿轮安装在所述转动轴上并与所述转动轴同步转动，所述输出齿轮安装在所述第一传动轴上并与所述第一传动轴同步转动，所述输出齿轮上设有落料通道，所述磨料通道、所述落料通道、所述存粉槽从上往下依次布设并依次连通。
  6. 根据权利要求5所述的磨料机，其特征在于，所述驱动装置还包括第二 弹簧、防卡球；所述输出齿轮上开设有第一定位槽，所述磨料部件上设有第二定位槽和轴孔；所述磨料部件通过所述轴孔套设在所述第一传动轴上，所述第二弹簧安装在所述第一定位槽内，所述防卡球夹持在所述第二弹簧和所述磨料部件之间，所述防卡球的一部分位于所述第一定位槽内，所述防卡球的其余部分位于所述第二定位槽内。
  7. 根据权利要求4所述的磨料机，其特征在于，所述磨料外壳具有内磨齿，所述磨料部件具有外磨齿，所述外磨齿和所述内磨齿之间形成所述磨料通道，所述磨料通道的宽度从上往下逐渐减小。
  8. 根据权利要求7所述的磨料机，其特征在于，所述内磨齿的数量和所述外磨齿的数量分别有多个，各所述内磨齿和各所述外磨齿均沿着所述磨料部件的周向间隔布设，各所述内磨齿和各所述外磨齿均沿第一螺旋轨迹延伸，所述磨料通道沿所述第一螺旋轨迹延伸；
    所述压粉部件包括压粉块；所述压粉块的数量有多个，多个所述压粉块沿着所述第二传动轴的周向间隔布设，各所述压粉块具有压粉面和导粉面；所述压粉面和所述导粉面沿着背离所述接粉器的方向间隔布设，所述压粉面和所述导粉面均沿着第二螺旋轨迹延伸，任意所述压粉块的所述压粉面与相邻的所述压粉块的所述导粉面之间形成沿所述第二螺旋轨迹延伸的导粉通道，所述导粉通道与所述存粉槽连通。
  9. 根据权利要求8所述的磨料机，其特征在于，所述第一螺旋轨迹的旋转方向和所述第二螺旋轨迹的旋转方向相反。
  10. 磨料机的磨料方法，其特征在于，包括以下步骤：
    向磨料通道内添加原料，启动驱动器带动第一传动轴沿第一方向转动，第一传动轴带动磨料部件转动将磨料通道内的原料研磨成粉；
    磨料部件研磨预设时长之后，驱动器停止；
    启动驱动器带动第一传动轴沿与第一方向相反的第二方向转动，第一传动轴通过第二传动轴带动压粉部件转动，研磨成粉的原料陆续落入存粉槽内，压 粉部件一边转动一边压实存粉槽内研磨成粉的原料；
    随着存粉槽内研磨成粉的原料的高度增加，压粉部件逐渐升高并推动第二传动轴沿着背离存粉槽的方向滑动；
    压粉部件转动压实预设时长之后，驱动器停止。
PCT/CN2022/135161 2022-08-25 2022-11-29 磨料机及其磨料方法 WO2024040777A1 (zh)

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