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CN-122004328-A - Coffee machine with secondary circulation extraction function and coffee liquid preparation process

CN122004328ACN 122004328 ACN122004328 ACN 122004328ACN-122004328-A

Abstract

The invention relates to the field of coffee machines, and discloses a coffee machine with a secondary circulation extraction function, which comprises a feeding component, an extraction component and a traction component, wherein coffee liquor a is obtained by carrying out primary extraction on coffee powder through hot water, coffee liquor b is obtained by carrying out secondary extraction on the coffee powder through the coffee liquor a, the coffee liquor ab is independently stored, the extracted coffee liquor b is subjected to secondary extraction on the coffee powder in a circulating way and matched with a set temperature pressure, the obtained coffee liquor b has an intentional hand-flushing flavor, and in the extraction process, the coffee liquor in different extraction stages can be pulled into different storage spaces through pumps, so that the purpose of extracting the coffee liquor in different concentration flavors is realized, the flexibility and diversity of coffee extraction are improved, the taste preference of different consumers is met, and the ultra-high concentration coffee liquor extracted by the device can be applied to the existing freeze-drying or spray-drying treatment technology, so that pure coffee powder is obtained.

Inventors

  • GAO BING

Assignees

  • 昆明比顿科技有限公司

Dates

Publication Date
20260512
Application Date
20260324

Claims (10)

  1. 1. The coffee machine with the secondary circulation extraction function comprises a feeding component (100), an extraction component (200) and a traction component (300), wherein the feeding component (100) is used for crushing coffee beans to obtain coffee powder and quantitatively conveying the coffee powder into the extraction component (200) in a traction mode, and is characterized in that the extraction component (200) comprises a support body (201), a lower rotating disc (203) with a vertically arranged axial lead and a motor I (205) used for driving the lower rotating disc (203) to rotate are arranged on the support body (201), the end face of the lower rotating disc (203) penetrates through a lower mounting hole, an extraction barrel (204) is coaxially arranged in the lower mounting hole, the upper end and the lower end of the extraction barrel (204) are opened, a slag discharging ring sleeve (2041) is radially and slidably arranged at the lower opening end of the extraction barrel (204), at least three slag discharging rings (2041) are initially arranged coaxially with the extraction barrel (204) in an array mode along the circumferential direction of the lower rotating disc (203), the positions of the extraction barrel (204) are respectively named as an upper position, an extraction position and a slag discharging position, and a slag discharging position are respectively arranged at least one of the upper position and the upper position; the extraction component (200) further comprises an upper end cover (206) which is arranged above the extraction barrel (204) and is coaxial with the lower rotary disk (203), a plurality of upper mounting holes are formed in the end face of the upper end cover (206) in an array mode along the circumferential direction, a feeding part is arranged at the position, right above the feeding position, of the upper mounting holes, a water inlet part is arranged at the position, right above the extraction position, of the upper mounting holes, and a filtrate part is arranged in the extraction barrel (204).
  2. 2. The coffee machine with the secondary circulation extraction function according to claim 1, wherein the filtrate piece comprises a piston sleeved in the extraction barrel (204), a filter membrane (220) is arranged at the upper end of the piston, a drain pipe (221) is arranged at the lower end of the piston in an extending mode, a communication channel for realizing liquid communication between the filter membrane (220) and the drain pipe (221) is arranged in the piston, a connecting pipe (222) is sleeved in the drain pipe (221), a boss (223) is arranged at the lower end of the drain pipe (221), a boss (223) extends from the outer circular surface of the boss (223), and a spring (224) is arranged above the boss (223); the support body (201) is provided with a fixed ring (214) coaxially arranged below the lower rotating disc (203), the upper end face of the fixed ring (214) is radially provided with a notch (215), the distance between two hole walls of the notch (215) along the circumferential direction of the fixed ring (214) increases gradually from bottom to top, the notch (215) is arranged below a slag discharging position, and when the protruding pin is in contact with the upper end face of the fixed ring (214), the spring (224) is compressed.
  3. 3. The coffee machine with the secondary circulation extraction function according to claim 2, wherein the feeding piece comprises a support (209) and a linear module II (208) for driving the support (209) to move along the vertical direction, a hollow shaft (211) which is vertically arranged and a motor II (210) for driving the hollow shaft (211) to rotate are arranged on the support (209), the lower end of the hollow shaft (211) stretches into a housing arranged at an orifice of an upper mounting hole, a scraping rod (212) which is horizontally arranged is arranged, a cannula (213) is sleeved in the hollow shaft (211), and an upper pipe orifice of the cannula (213) is connected with the output end of the feeding assembly (100).
  4. 4. A coffee machine with a secondary circulation extraction function according to claim 2, characterized in that the water inlet comprises a casing (216) arranged in the upper mounting hole, the upper end surface of the casing (216) is provided with a water inlet, the upper orifice of the water inlet is provided with an upper nozzle (217), the lower orifice is provided with a nozzle (218), and the lower opening end of the casing (216) is provided with a screen (219).
  5. 5. The coffee machine with the secondary circulation extraction function according to claim 4, wherein the screen (219) is located in the extraction barrel (204), and the support body (201) is provided with a first linear module (207) for driving the upper end cover (206) to move in the vertical direction.
  6. 6. A coffee machine with a secondary circulation extraction function according to claim 2, characterized in that an auxiliary member is provided at the upper mounting hole directly above the slag discharge position, the auxiliary member comprising a plunger (226) located in the upper mounting hole and a linear die set three (225) for driving the plunger (226) to move in the vertical direction.
  7. 7. The coffee machine with the secondary circulation extraction function according to claim 2 or 6, wherein a push-pull seat (227) and a linear module IV (228) for driving the push-pull seat (227) to move are arranged on the support body (201), the moving direction of the push-pull seat (227) is consistent with the moving direction of a slag discharging ring sleeve (2041) of a slag discharging position, and the push-pull seat (227) can pull the slag discharging ring sleeve (2041) of the slag discharging position to move.
  8. 8. The coffee machine with the secondary circulation extraction function according to claim 4, wherein connection is achieved between the ends of connecting pipes (222) of filtrate pieces in all extraction barrels (204) through connecting pieces, the connecting pieces comprise rotating bases (229), fixed bases (231) are rotatably installed at the lower ends of the rotating bases (229), the fixed bases (231) are connected with support bodies (201), connecting holes (230) are formed in the lower ends of the rotating bases (229), the other orifices of the connecting holes (230) are connected with the connecting pipes (222), a plurality of connecting holes (230) are formed in the number of the corresponding extraction barrels (204), lower connectors (232) are arranged at the lower ends of the fixed bases (231), when the extraction barrels (204) are located at extraction positions, the corresponding connecting holes (230) are communicated with the lower connectors (232), and at least one lower connector (232) is arranged corresponding to the extraction positions.
  9. 9. The coffee machine with the secondary circulation extraction function according to claim 8, wherein the traction component (300) comprises a traction assembly and a pipeline five (310), at least one traction assembly is arranged corresponding to the extraction position, and the traction assembly comprises a first liquid storage tank (303), a second liquid storage tank (304), a first pump (301) and a second pump (302); the liquid inlet end of the first pump (301) is provided with a first pipeline (305), the liquid outlet end is provided with a second pipeline (306), the tail end of the first pipeline (305) is connected with the lower nozzle (232), the tail end of the second pipeline (306) is provided with two third pipelines (307), the tail ends of the three pipelines (307) are respectively connected with the first liquid storage tank (303) and the second liquid storage tank (304), and the joint is provided with a first valve (308); The bottoms of the first liquid storage tank (303) and the second liquid storage tank (304) are respectively provided with a three-way pipe (313), one interface of the three-way pipe (313) is connected with the first liquid storage tank (303) or the second liquid storage tank (304), a valve IV (315) is arranged at one interface, a valve III (314) is arranged at one interface, and the valve III (314) on the two three-way pipes (313) and the liquid inlet end of the second pump (302) are connected through a pipeline VI (312); the pipeline six (312) is connected with the pipeline five (310), and a valve two (311) is arranged at the joint of the pipeline six (312) and the pipeline five (310); The liquid outlet end of the second pump (302) is provided with a fourth pipeline (309), and the tail end of the fourth pipeline (309) is connected with the upper nozzle (217).
  10. 10. A process for preparing a coffee liquid for a coffee machine with a secondary circulation extraction function as claimed in claim 9, comprising the steps of: Stage one: Step one, a valve two (311) is opened, a valve one (308) on a liquid storage tank one (303) is opened, and a valve one (308) on a liquid storage tank two (304) is closed; The first pump (301) and the second pump (302) are started, hot water is drawn by the second pump (302) to enter the extraction barrel (204) of the extraction position through the fifth pipeline (310), the second pump (302) and the fourth pipeline (309) in sequence, the coffee powder is extracted once, the obtained coffee liquid a is drawn by the first pump (301) to flow into the first liquid storage tank (303) for storage through the liquid discharge pipe (221), the connecting pipe (222), the connecting hole (230), the lower nozzle (232), the first pipeline (305), the first pump (301), the second pipeline (306) and the third pipeline (307), and the coffee powder residue after the primary extraction is left in the extraction barrel (204); After extraction is completed, the lower rotary disk (203) rotates to enable the extraction barrel (204) storing the coffee grounds to be shifted to a slag discharging position, in the process, the spring (224) releases the elasticity to enable the piston to move downwards, so that the coffee grounds move downwards freely and fall, the coffee grounds are smashed on the filter membrane (220) at the upper end of the piston, and the coffee liquid a remained in the coffee grounds is oscillated and temporarily stored in the corresponding liquid discharge pipe (221); Thirdly, after removing the coffee grounds, the lower rotary disk (203) rotates again to enable the extraction barrel (204) of the slag discharging position to be shifted to the extraction position, and the coffee liquid a stored in the liquid discharge pipe (221) is pulled to flow into the first liquid storage tank (303) for storage; stage two: Step four, a valve two (311) is opened, a valve one (308) on a liquid storage tank one (303) is closed, a valve one (308) on a liquid storage tank two (304) is opened, a pump one (301) is matched with a pump two (302), hot water is pulled into an extraction barrel (204) of an extraction position, coffee powder is extracted for one time, and the obtained coffee solution a is stored in the liquid storage tank two (304); Step five, a valve III (314) on a liquid storage tank II (304) is opened, a pump II (302) pulls coffee liquid a in the liquid storage tank II (304) to enter an extraction barrel (204) of an extraction position sequentially through a three-way pipe (313), a pipeline III (312), the pump II (302) and a pipeline IV (309), coffee powder residue after primary extraction is subjected to secondary extraction, and the obtained coffee liquid b is pulled back into the liquid storage tank II (304) by the pump I (301) to be stored; Step six, repeating the step two and the step three, oscillating out the coffee liquid b remained in the coffee grounds, and storing the coffee liquid b in the liquid storage tank two (304).

Description

Coffee machine with secondary circulation extraction function and coffee liquid preparation process Technical Field The invention relates to the field of coffee machines, in particular to a coffee machine with a secondary circulation extraction function and a coffee liquid preparation process. Background Industrial coffee machines refer to the production of coffee in a modern, standardized, large-scale manner. Referring to fig. 1 and 2, which are schematic diagrams of a conventional industrial coffee machine, coffee beans are sequentially added, ground to obtain coffee powder, extracted to obtain coffee liquid and coffee grounds, and the coffee liquid is stored and discharged during production. In the third extraction step, hot water is drawn to flow into the space where the coffee powder is located to extract the flavor components in the coffee powder, and because the coffee powder is in powder form, part of the coffee liquid is retained in the coffee powder when the coffee liquid is extracted and stored, and the retained part of the coffee liquid is necessary to be extracted from the coffee powder from the aspects of resource utilization, cost reduction and yield increase. In the prior art, the retained coffee liquid is extracted in a squeezing or standing waiting mode, but from the aspect of flavor, the fiber structure of the coffee powder is damaged by strong external force of squeezing, and bitter substances, phytic acid and the like which are trapped in cells and can not be dissolved under normal conditions are forced to be pressed out, so that the flavor of the coffee liquid is negatively influenced, and from the aspect of efficiency, the standing waiting mode is too delayed, and the efficiency is crossed. Based on the above, the invention provides a coffee machine with a secondary circulation extraction function and a coffee liquid preparation process. Disclosure of Invention In order to solve the problems mentioned in the background, the invention provides a coffee machine with a secondary circulation extraction function and a coffee liquid preparation process. In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows. The utility model provides a coffee machine with secondary circulation extraction function, including the material loading subassembly, extraction component and traction element, the material loading subassembly is used for smashing the coffee beans and obtains coffee powder and traction coffee powder ration is carried in the extraction component, the extraction component includes the support body, install the lower rotary disk that the axial lead is vertical arrangement on the support body and be used for driving lower rotary disk to take place rotatory motor one, the terminal surface of lower rotary disk runs through and is provided with down the mounting hole, be provided with the extraction bucket in the coaxial setting of lower mounting hole, the upper and lower both ends opening of extraction bucket and the lower open end are along radial slidable mounting have the sediment collar cover, at first, the sediment collar cover is coaxial with the extraction bucket, the extraction bucket is provided with at least three along the circumferencial direction array of lower rotary disk, at first, the position that the extraction bucket is located is named respectively material loading position, extraction position and sediment position, and each is provided with one of material loading position and sediment position, the extraction position is provided with at least one; The extraction component is still including being located extraction bucket top and with the coaxial upper end cover of lower rotary disk, the terminal surface of upper end cover is provided with a plurality of mounting holes along the circumferencial direction array, is provided with the material loading piece in the last mounting hole department that is located the material loading position directly over, is provided with the piece that intakes in the last mounting hole department that is located the extraction position directly over, is provided with the filtrate piece in the extraction bucket. Further, the filtrate piece comprises a piston sleeved in the extraction barrel, a filter membrane is arranged at the upper end of the piston, a liquid discharge pipe is extended at the lower end of the piston, a communication channel for realizing liquid communication between the filter membrane and the liquid discharge pipe is arranged in the piston, a connecting pipe is sleeved in the liquid discharge pipe, a convex seat is arranged at the lower end of the liquid discharge pipe, a convex pin is extended on the outer circular surface of the convex seat, and a spring is arranged above the convex seat; The support body is provided with the coaxial solid fixed ring that is located the lower rotary disk below, and gu the up end of solid fixed ring is provided with the breach along radi