[ summary of the invention ]
The invention aims to solve the technical problem of providing a full-automatic simulated manual coffee brewing method which is matched with a matched coffee machine for use, can automatically finish operations which depend on experience such as extrusion of coffee powder and the like, and can automatically brew coffee with good taste.
In order to solve the technical problem, the full-automatic simulated manual coffee brewing method comprises the following steps of:
s101, automatic powder receiving: the powder receiving seat of the automatic powder receiving device is positioned right below the coffee powder releasing port, and the coffee powder flows into the powder receiving seat through the coffee powder releasing port;
s102, automatic powder pressing: the automatic powder receiving device moves from the powder receiving station to the powder pressing station under the action of the first driving device, and the pressing head extends into the powder receiving cavity to extrude coffee powder under the action of the pressing column driving assembly;
s103, automatic brewing: hot water enters the powder receiving cavity from the hot water inlet channel to brew the coffee powder, and brewed coffee flows out from the coffee outlet channel;
s104, automatic slag discharge: the coffee grounds are ejected out by the residue ejecting head under the action of the ejection column driving assembly, then the automatic powder receiving device moves to the powder receiving station from the powder pressing station under the action of the first driving device, and the residue scraping assembly scrapes the coffee grounds while the automatic powder receiving device moves.
In step S102, the method for adjusting the pressure of the automatic coffee powder pressing device to press coffee powder comprises: the position of the trigger block relative to the sliding column part is adjusted, and then the lower limit position of the movement of the pressure head is adjusted.
In the fully automatic simulated manual coffee brewing method, in step S102, the automatic powder receiving device is horizontally moved from the powder receiving station to the powder pressing station under the action of the first driving device.
In the fully automatic simulated manual coffee brewing method, in step S102, the pressing head vertically extends into the coffee powder receiving cavity to press coffee powder under the action of the pressing column driving assembly.
In the fully automatic simulated manual coffee brewing method, in step S104, the residue ejecting head ejects the coffee residues in the vertical direction under the action of the ejection column driving assembly.
In step S104, the automatic powder receiving device is moved from the powder pressing station to the powder receiving station in the horizontal direction by the first driving device.
According to the full-automatic simulated manual coffee brewing method, the spring for driving the residue pushing head to move upwards is arranged between the powder receiving seat and the residue pushing head, and coffee powder is squeezed together through the elastic force of the spring and the downward pressure of the pressure head.
Compared with the prior art, the invention has the following advantages:
1. by adopting the full-automatic simulated manual coffee brewing method, the powder receiving, powder pressing, brewing and slag discharging of the coffee can be automatically completed only by adjusting the pressure for extruding the coffee powder in the early stage, and the full-automatic simulated manual coffee brewing method has the advantages of simple operation and high automation degree, and the brewed coffee has stable and mellow taste.
[ detailed description ] embodiments
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The full-automatic simulated manual coffee brewing method comprises the following steps which are sequentially carried out:
s101, automatic powder receiving: the powder receiving seat 21 of the automatic powder receiving device 2 is positioned right below the coffee powder releasing port 101, and the coffee powder flows into the powder receiving seat 21 through the coffee powder releasing port 101;
s102, automatic powder pressing: the automatic powder receiving device 2 moves from the powder receiving station 1001 to the powder pressing station 1002 under the action of the first driving device 3, and the pressing head 42 extends into the powder receiving cavity 201 to press coffee powder under the action of the pressing column driving assembly 43;
s103, automatic brewing: hot water enters the powder receiving cavity 201 from the hot water inlet passage 420 to brew coffee powder, and brewed coffee flows out from the coffee outflow passage 2220;
s104, automatic slag discharge: the residue ejecting head 222 ejects the coffee grounds under the action of the ejection column driving assembly 223, then the automatic powder receiving device 2 moves from the powder pressing station 1002 to the powder receiving station 1001 under the action of the first driving device 3, and the residue scraping assembly 23 scrapes off the coffee grounds while the automatic powder receiving device 2 moves.
By adopting the full-automatic simulated manual coffee brewing method, the powder receiving, powder pressing, brewing and slag discharging of the coffee can be automatically completed only by adjusting the pressure for extruding the coffee powder in the early stage, and the full-automatic simulated manual coffee brewing method has the advantages of simple operation and high automation degree, and the brewed coffee has stable and mellow taste.
In the present invention, in step S102, the method for adjusting the pressure of the automatic coffee powder pressing device to press the coffee powder comprises: the position of the trigger block 242 relative to the sliding column 2221 is adjusted to adjust the lower limit position of the movement of the pressing head 42, so as to adjust the force of pressing the coffee powder.
In step S102, the automatic powder receiving device 2 moves horizontally from the powder receiving station 1001 to the powder compacting station 1002 under the action of the first driving device 3; the automatic powder receiving device 2 can ensure that the powder receiving seat always keeps an upward state by adopting a horizontal moving mode, and avoids coffee powder from overflowing in the moving process.
In step S102, the pressing head 42 is vertically extended into the powder receiving chamber 201 by the pressing column driving assembly 43 to press the coffee powder.
In step S104, the top grounds 222 are ejected in a vertical direction by the top post driving assembly 223.
In step S104, the automatic powder receiving device 2 is moved from the powder compacting station 1002 to the powder receiving station 1001 in the horizontal direction by the first driving device 3.
A spring 225 for driving the residue pushing head 222 to move upwards is arranged between the powder receiving seat 21 and the residue pushing head 222, and coffee powder is squeezed together by the elastic force of the spring 225 and the downward pressure of the pressure head 42; can avoid excessive force for extruding the coffee powder.
As shown in fig. 1 to 8, the fully automatic simulated manual coffee brewing machine of the present embodiment comprises: the automatic powder receiving machine comprises a machine base 1 and an automatic powder receiving device 2, wherein a powder receiving station 1001 and a powder pressing station 1002 are arranged on the machine base 1, and the automatic powder receiving device 2 translates between the powder receiving station 1001 and the powder pressing station 1002. According to the coffee machine, the powder receiving station and the powder pressing station are arranged on the machine base, and the automatic powder receiving device translates between the powder receiving station and the powder pressing station, so that the automatic powder receiving device automatically receives powder and presses powder between the powder receiving station and the powder pressing station, and the coffee machine has the advantage of high automation degree.
In this embodiment, the automatic powder receiving device 2 comprises a powder receiving seat 21 connected to the base 1 in a sliding manner along the horizontal direction, a powder receiving cavity 201 with an opening at the upper end is arranged at the upper part of the powder receiving seat 21, and a first driving device 3 for driving the powder receiving seat 21 to translate between a powder receiving station 1001 and a powder pressing station 1002 is arranged on the base 1; a coffee powder releasing port 101 is formed in the base 1 and positioned at the powder receiving station 1001, the coffee powder releasing port 101 is in butt joint with a coffee grinder or a coffee powder storage box, too much description is avoided, and an automatic powder pressing device 4 is arranged on the base 1 and positioned at the powder pressing station 1002; the coffee powder releasing port 101 and the automatic powder pressing device 4 are both positioned above the driving powder receiving seat 21, and the first driving device can drive the powder receiving seat to move, so that the powder receiving seat is over against the coffee powder releasing port 101 to receive coffee, or the powder receiving seat is over against the automatic powder pressing device to perform a powder pressing process; the first driving device can enable the powder receiving seat to be always kept in an upward state, and coffee powder can be prevented from overflowing after the powder is received.
After coffee is brewed in the powder receiving cavity, coffee grounds in the powder receiving cavity need to be discharged, so that a residue ejecting assembly 22 for ejecting the brewed coffee grounds out of the powder receiving cavity 201 is arranged at the bottom of the powder receiving seat 21 and the powder receiving cavity 201; in order to discharge the coffee grounds ejected by the residue ejecting component, a residue scraping component 23 for scraping the coffee grounds ejected by the residue ejecting component 22 is arranged on the machine base 1, the residue scraping component 23 is a scraping plate arranged on the machine base 1, and when the first driving device 3 drives the powder receiving base to move to the powder receiving station, the residue scraping component moves relative to the powder receiving base so as to scrape the coffee grounds ejected by the residue ejecting component 22 on the powder receiving base.
In this embodiment, the slag ejecting assembly 22 includes an ejecting column 221 slidably connected to the powder receiving seat 21 along a vertical direction, the upper end of the ejecting column 221 is provided with a slag ejecting head 222, and the powder receiving seat 21 is further provided with an ejecting column driving assembly 223 for driving the ejecting column 221 to move up and down; the slag ejecting head 222 comprises a sliding column part 2221 and a slag ejecting part 2222 connected to the upper end of the sliding column part 2221, the sliding column part 2221 is slidably connected in the top column 221, and a spring 225 for driving the slag ejecting part 2222 to be away from the upper end face of the top column 221 is sleeved on the sliding column part 2221; automatic powder pressing device 4 contains compression leg 41 along vertical direction sliding connection on frame 1, the lower extreme of compression leg 41 is equipped with the pressure head 42 that can stretch into in connecing powder chamber 201, frame 1 on still be equipped with the compression leg drive assembly 43 of drive compression leg 41 upper and lower action. The coffee powder is pressed by the downward movement of the pressing head 42 and the combined action of the spring 225 of the residue pushing head 222, and the spring 225 can prevent the coffee powder from being excessively pressed to influence the taste of the coffee.
In order to adjust the pressing force on the coffee powder more finely, in this embodiment, the automatic powder receiving device 2 is further provided with a pressure adjusting device 24 for adjusting the pressure of the pressed coffee powder, the pressure adjusting device 24 includes a travel switch 241 for controlling the lower limit position of the pressure head 42 and a trigger block 242 for triggering the travel switch 241, the travel switch 241 is electrically connected with the pressure column driving assembly 43, the travel switch 241 can be disposed at the bottom of the top column 221 or directly mounted on the base, the trigger block 242 is screwed on the lower portion of the sliding column 2221, the trigger block 242 can be moved relative to the sliding column 2221 by rotating the sliding column 2221, and the lower portion of the sliding column 2221 is further screwed with a fastening nut 243 for positioning the trigger block 242 on the sliding column 2221.
The working principle of regulating the pressure of the pressed coffee powder will now be briefly described: when the coffee powder in the powder chamber is pressed, the top column 221 of the residue ejection assembly 22 is at the lower limit of movement and remains in this state, in which the spring 225 is in a state of natural elongation (assuming that the weight of the coffee powder and the residue ejection head is neglected); when the pressing head 42 of the automatic powder pressing device moves downwards along with the pressing column 41 and extends into the powder receiving cavity 201 to start pressing coffee powder, and as the pressing head 42 moves further downwards, the pressing head 42 presses coffee powder and the residue pushing head continues to move downwards until the trigger block 242 triggers the travel switch 241, the pressing head 42 stops moving downwards, at this time, the spring is in a compressed state, that is, the pressing force of the pressing head 42 and the residue pushing head 222 on the coffee powder is equal to the elastic force of the spring (assuming that the weight of the coffee powder and the residue pushing head is ignored), in this embodiment, the lower limit position of the downward movement of the pressing head 22242 can be adjusted by adjusting the position of the trigger block 242 relative to the sliding column part 2221, and further, the deformation amount of the spring 225 is adjusted, so as to adjust the pressure for pressing the coffee powder. When adjusting the pressure, the tightening nut 243 is loosened, and then the sliding column 2221 is rotated to finely adjust the position of the trigger block 242 relative to the sliding column 2221, which is convenient for operation. The operator can obtain the best force for extruding the coffee through tests.
In this embodiment, the coffee brewing process is performed in the powder receiving chamber, and brewing is started when the pressing head 42 moves to the lower limit position; in order to form a closed brewing space between the residue ejecting part 2222, the pressing head 42 and the powder receiving cavity 201, a sealing ring A22221 which is in sealing fit with the cavity wall of the powder receiving cavity 201 is arranged on the outer ring of the residue ejecting part 2222, a sealing ring B421 which is in sealing fit with the cavity wall of the powder receiving cavity 201 is arranged on the outer ring of the pressing head 42, a coffee outflow channel 2220 which penetrates through the residue ejecting part 2222 and the sliding column part 2221 is arranged in the residue ejecting head 222, and a hot water inlet channel 420 which supplies hot water into the powder receiving cavity 201 is arranged on the pressing head 42.
A filter screen a224 is connected to the upper end of the top residue portion 2222 in order to filter coffee grounds; meanwhile, in order to prevent the coffee grounds from directly contacting the lower end of the hot water inlet passage 420, a filter B44 is provided at the lower end of the head 42.
In this embodiment, the first driving device 3 includes a lead screw 31 rotatably connected to the base 1 along the horizontal direction, the lead screw 31 is connected to a nut 32 through a thread, a connecting block 33 for enabling the nut 32 and the automatic powder receiving device 2 to keep synchronous motion is arranged between the nut 32 and the automatic powder receiving device 2, the base 1 is further provided with a motor a34 for driving the lead screw 31 to rotate, the motor a drives the automatic powder receiving device 2 to translate between the powder receiving station 1001 and the powder pressing station 1002, and the first driving device 3 has the advantages of stable and reliable operation due to the adoption of the structure.
In this embodiment, the top pillar driving assembly 223 includes an external thread a2231 arranged on the top pillar 221, the powder receiving seat 21 is rotatably connected with a gear a2232 in threaded fit with the external thread a2231, the gear a2232 is provided with an internal thread a in threaded fit with the external thread a2231, and the powder receiving seat 21 is further provided with a motor B2233 for driving the gear a2232 to rotate; the ejection column driving assembly has the advantages of stable transmission and easiness in control by adopting the structure.
The compression leg driving assembly 43 comprises an external thread B431 arranged on the compression leg 41, the base 1 is rotatably connected with a gear B432 in threaded fit with the external thread B431, the gear B432 is provided with an internal thread B in threaded fit with the external thread B431, and the base 1 is further provided with a motor C433 for driving the gear B432 to rotate; the ejection column driving assembly has the advantages of stable transmission and easiness in control by adopting the structure.