Automatic coffee extraction equipment

Abstract

The utility model provides automatic coffee extraction equipment which comprises a base, a material barrel body, an extraction chamber, a sealing cover, a water injection pipeline, a rotating support, a pressing plate assembly and a control host. A pressing plate assembly used for pressing coffee powder and a sealing cover used for sealing the extraction cavity are installed on the rotating support, the sealing cover is connected with a water injection pipeline, the water injection pipeline is communicated with the extraction cavity, and the lower end of the material barrel body is communicated with an external collecting barrel through a discharging pipeline. A discharge valve is arranged on the discharge pipeline; and the pressure pump and the discharge valve are electrically connected with the control host. The automatic feeding device is high in automation degree, free of manual operation, more convenient to use and higher in production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee extraction equipment, in particular to an automatic coffee extraction equipment. Background Art

[0002] With the acceleration of the pace of social life, the consumption trend of the coffee market is also increasing rapidly. The output, output value and consumption of coffee have ranked first among the world's three major beverages. The raw coffee beans have no fragrance. Their aroma and taste components come from the changes in the chemical composition of the coffee beans during the roasting process. The aroma and taste of coffee are better released by grinding the roasted coffee beans and then extracting them.

[0003] Existing coffee extraction equipment requires manual assistance, has a low degree of automation, and has low production efficiency. It cannot accurately control the extraction water temperature and water pressure, and the extraction is not sufficient. If the extraction time is too long, the tannin in the coffee will decompose into pyrotanolic acid, resulting in flavor defects such as bitterness, sourness, sharp sourness, greenness, and heavy bitterness. This is not conducive to retaining the taste of coffee and the use effect is poor.

[0004] There is a need for a new type of automatic coffee extraction equipment that can solve the above-mentioned problems. Utility Model Content

[0005] The utility model provides an automated coffee extraction device, which solves the problems of the existing coffee extraction device being insufficiently intelligent and having low production efficiency by technically transforming the existing coffee extraction device.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] The coffee making machine of claim 1, wherein the base comprises a material barrel body, an extraction chamber, a sealing cover, a water injection pipe, a rotating bracket, a pressure plate assembly and a control host. The material barrel body, the rotating bracket and the control host are arranged on the base, an extraction chamber for high-temperature extraction of coffee liquid is installed above the material barrel body, a pressure plate assembly for pressing coffee powder and a sealing cover for sealing the extraction chamber are installed on the rotating bracket, the rotating bracket is used to drive the pressure plate assembly and the sealing cover to rotate to the square position of the extraction chamber, and the sealing cover is connected to the water injection pipe, the water injection pipe is connected to the extraction chamber, and the water injection pipe is connected to an external pressure pump and a water tank, the lower end of the material barrel body is connected to an external collection bucket through a discharge pipe, the discharge pipe is provided with a discharge valve, and the pressure pump and the discharge valve are electrically connected to the control host.

[0008] Preferably, a rotation drive device is provided at the rotating bracket, and the rotation drive device is used to control the rotation of the rotating bracket to drive the pressure plate assembly or the sealing cover to rotate, and the rotation drive device is electrically connected to the control host.

[0009] Preferably, the pressure plate assembly includes a pressure plate, a pressure plate mounting frame and a pressure plate lifting drive structure, the pressure plate lifting drive structure is connected to the rotating bracket through the pressure plate mounting frame, and the output end of the pressure plate lifting drive structure is installed with a pressure plate for pressing coffee powder, and the rotating bracket is also installed with a sealing cover mounting frame and a sealing cover lifting drive structure, the sealing cover lifting drive structure is connected to the rotating bracket through the sealing cover mounting frame, the output end of the sealing cover lifting drive structure is connected to the sealing cover, and the pressure plate lifting drive structure and the sealing cover lifting drive structure are electrically connected to the control host.

[0010] Preferably, a bottom plate, a filter screen and a filter screen pressing plate are installed in the extraction chamber. The bottom of the extraction chamber is installed with a bottom plate. The filter screen is detachably mounted on the bottom plate through the filter screen pressing plate. A plurality of liquid outlet holes are opened on the bottom plate, and the liquid outlet holes are arranged opposite to the barrel body.

[0011] Preferably, a plurality of locking buckles and adjusting nuts are installed on the outer side of the extraction chamber, wherein the locking buckles are used to clamp the sealing cover and the extraction chamber, and a movable adjusting nut is provided on the locking buckles, and the adjusting nut is used to squeeze the locking buckles and make them contact with the sealing cover.

[0012] Preferably, a sealing rubber ring is provided at the contact surface between the extraction chamber and the sealing cover.

[0013] Preferably, the water injection pipe is provided with a water inlet valve for controlling the passage in the water injection pipe, and the water inlet valve is electrically connected to the control host.

[0014] Preferably, an electronic scale assembly for weighing the extracted coffee concentrate is provided in the barrel body, and the electronic scale assembly is electrically connected to the control host.

[0015] The beneficial effects of the present invention are:

[0016] The utility model is provided with a barrel main body and an extraction chamber, and a rotating bracket is provided on the side of the barrel main body. The control host controls the rotary drive device to drive the rotating bracket to rotate, and controls the pressing plate and the sealing cover to move to the extraction chamber respectively, and the sealing cover is installed with a water injection pipe and a water inlet valve. The utility model can automatically press powder and automatically extract, and the barrel main body is provided with an electronic scale for automatic weighing, and automatically discharges the material when a certain weight is reached.

[0017] This new machine features a high degree of automation, eliminating the need for manual operation, making it more convenient to use and increasing production efficiency. By precisely controlling various parameters and automating the process, it can produce high-quality coffee to meet consumer demand. It also simplifies cleaning and maintenance, reducing operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the barrel body and the extraction chamber of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the filter screen at the bottom plate of the utility model;

[0021] Figure 4 This is a flowchart of the method of using the automatic coffee extraction device of the utility model;

[0022] Explanation of the accompanying drawings: base 1, barrel body 2, discharge pipe 21, discharge valve 22, electronic scale assembly 23, extraction chamber 3, bottom plate 31, liquid outlet 311, filter 32, filter pressure plate 33, several locking buckles 34, adjusting nut 35, sealing cover 4, sealing cover lifting drive structure 41, sealing cover mounting bracket 42, water injection pipe 5, water inlet valve 51, air pressure valve 52, rotating bracket 6, rotation drive device 61, pressure plate assembly 7, pressure plate 71, pressure plate mounting bracket 72, pressure plate lifting drive structure 73, control host 8. DETAILED DESCRIPTION

[0023] The specific contents of the utility model are described in detail below with reference to the accompanying drawings and embodiments.

[0024] See also Figure 1-4As shown, the utility model provides an automated coffee extraction device, including a base 1, a barrel body 2, an extraction chamber 3, a sealing cover 4, a water injection pipe 5, a rotating bracket 6, a pressing plate assembly 7 and a control host 8. The barrel body 2, the rotating bracket 6 and the control host 8 are provided on the base 1. The extraction chamber 3 for high-temperature extraction of coffee liquid is installed above the barrel body 2, and the pressing plate assembly 7 for pressing coffee powder and the sealing cover 4 for sealing the extraction chamber 3 are installed on the rotating bracket 6. The rotating bracket 6 is used to drive the pressing plate assembly 7 and the sealing cover 4 to rotate to a square position of the extraction chamber 3, and the sealing cover 4 is connected to the water injection pipe 5, the water injection pipe 5 is connected to the extraction chamber 3, and the water injection pipe 5 is connected to the external pressure pump and water tank. The lower end of the barrel body 2 is connected to the external collection bucket through a discharge pipe 21, and the discharge pipe 21 is provided with a discharge valve 22. The pressure pump and the discharge valve 22 are electrically connected to the control host 8.

[0025] Furthermore, in order to automatically control the pressure plate assembly 7 and the sealing cover 4 to move to the extraction chamber 3, a rotation drive device 61 is provided at the rotating bracket 6. The rotation drive device 61 is used to control the rotation of the rotating bracket 6 to drive the pressure plate assembly 7 or the sealing cover 4 to rotate. The rotation drive device 61 is electrically connected to the control host 8.

[0026] Furthermore, in order to enable the pressing plate assembly 7 to automatically compress the coffee powder, the pressing plate assembly 7 includes a pressing plate 71, a pressing plate mounting frame 72 and a pressing plate lifting drive structure 73. The pressing plate lifting drive structure 73 is connected to the rotating bracket 6 through the pressing plate mounting frame 72, and the output end of the pressing plate lifting drive structure 73 is installed with a pressing plate 71 for pressing the coffee powder. The rotating bracket 6 is also equipped with a sealing cover mounting frame 42 and a sealing cover lifting drive structure 41. The sealing cover lifting drive structure 41 is connected to the rotating bracket 6 through the sealing cover mounting frame 42. The output end of the sealing cover lifting drive structure 41 is connected to the sealing cover 4, and the pressing plate lifting drive structure 73 and the sealing cover lifting drive structure 41 are electrically connected to the control host 8.

[0027] Furthermore, the extraction chamber 3 is provided with a bottom plate 31, a filter 32, and a filter pressing plate 33. The bottom plate 31 is installed at the bottom of the extraction chamber 3. The filter 32 is detachably mounted on the bottom plate 31 via the filter pressing plate 33. The bottom plate 31 is provided with a plurality of liquid outlet holes 311, which are arranged directly opposite the barrel body 2. The extracted coffee liquid passes through the filter 32 and drips into the barrel body 2.

[0028] Furthermore, in order to lock the sealing cover 4, a number of locking clips 34 and adjusting nuts 35 are installed on the outer side of the extraction chamber 3. The locking clips are used to clamp the sealing cover 4 and the extraction chamber 3. A movable adjusting nut 35 is provided on the locking clips, and the adjusting nut 35 is used to squeeze the locking clips and the sealing cover 4 to conflict with each other.

[0029] Furthermore, in order to obtain a better waterproof sealing effect, a sealing rubber ring is provided at the contact surface between the extraction chamber 3 and the sealing cover 4.

[0030] Furthermore, the water injection pipe 5 is provided with an inlet valve 51 for controlling the flow of water within the pipe 5. The inlet valve 51 is electrically connected to the control host 8. Upon reaching a set extraction weight, the control host 8 controls the inlet valve 51 and the pressure pump to shut off. A pressure valve 52 is also installed on the water injection pipe 5.

[0031] Furthermore, an electronic scale assembly 23 for weighing the extracted coffee concentrate is provided in the barrel body 2 , and the electronic scale assembly 23 is electrically connected to the control host 8 .

[0032] The method for using the above-mentioned automated coffee extraction device comprises the following steps:

[0033] S1, setting parameters: according to the type and taste of the desired coffee, set the extraction weight parameters, water inlet time parameters, water inlet pressure parameters, extraction pressure holding time parameters and pressure release time parameters on the control host;

[0034] The extraction weight parameter determines the target weight of the coffee concentrate extracted each time.

[0035] Water inlet time parameter: controls the length of the water injection process to ensure that the coffee powder is fully soaked.

[0036] Water inlet pressure parameters: Set the appropriate water pressure according to the compactness of the coffee powder and the extraction requirements.

[0037] Extraction holding time parameters: Set the holding time during the extraction process to obtain the best extraction effect.

[0038] Pressure relief time parameter: Set the time required for the extraction chamber to release pressure after extraction is completed.

[0039] It also includes equipment inspection to ensure that all equipment components such as the control host, rotation drive device, pressure plate lifting drive structure, sealing cover lifting drive structure, pressure pump, electronic scale assembly, etc. are in normal working condition.

[0040] S2, adding coffee powder into the extraction chamber;

[0041] S3, tamping: The control host controls the rotary drive device to drive the rotating bracket to rotate so that the pressing plate is located directly above the extraction chamber. The pressing plate lifting drive structure drives the pressing plate to descend to tamp the coffee powder, and then the pressing plate lifting drive structure drives the pressing plate to rise and return to its original position;

[0042] S4. Seal the extraction chamber. The host computer controls the rotary drive device to drive the sealing cover to a position directly above the extraction chamber. The sealing cover lifting drive structure drives the sealing cover to descend and cover the extraction chamber. The sealing cover is then locked using the locking buckle and adjusting nut to ensure a sealing effect.

[0043] S5. Filling the extraction chamber with water for high-temperature and high-pressure extraction. The main unit is controlled to open the water inlet valve and a pressure pump with a set pressure is used to fill the extraction chamber with water. This places the extraction chamber in a set high-temperature and high-pressure environment to ensure that the coffee powder is fully soaked and the coffee is extracted.

[0044] S6. Discharge: The barrel body weighs the collected coffee concentrate through the electronic scale assembly. When the set extraction weight is reached, the water inlet valve and the pressure pump are closed. When the set pressure relief time is reached, the discharge valve is automatically opened and the concentrate is transported to the external collection barrel through the discharge pipe.

[0045] The utility model is provided with a barrel main body and an extraction chamber, and a rotating bracket is provided on the side of the barrel main body. The control host controls the rotary drive device to drive the rotating bracket to rotate, and controls the pressing plate and the sealing cover to move to the extraction chamber respectively, and the sealing cover is installed with a water injection pipe and a water inlet valve. The utility model can automatically press powder and automatically extract, and the barrel main body is provided with an electronic scale for automatic weighing, and automatically discharges the material when a certain weight is reached.

[0046] This new machine features a high degree of automation, eliminating the need for manual operation, making it more convenient to use and increasing production efficiency. By precisely controlling various parameters and automating the process, it can produce high-quality coffee to meet consumer demand. It also simplifies cleaning and maintenance, reducing operating costs.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

[0048] The standard parts used in this utility model can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0049] In the description of this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

Claims

1. An automated coffee extraction device, characterized in that: The coffee making machine comprises a base, a material barrel body, an extraction chamber, a sealing cover, a water injection pipe, a rotating bracket, a pressure plate assembly and a control host. The material barrel body, the rotating bracket and the control host are arranged on the base. An extraction chamber for high-temperature extraction of coffee liquid is installed above the material barrel body. A pressure plate assembly for pressing coffee powder and a sealing cover for sealing the extraction chamber are installed on the rotating bracket. The rotating bracket is used to drive the pressure plate assembly and the sealing cover to rotate to the square position of the extraction chamber, and the sealing cover is connected to a water injection pipe, the water injection pipe is connected to the extraction chamber, and the water injection pipe is connected to an external pressure pump and a water tank. The lower end of the material barrel body is connected to an external collecting bucket through a discharge pipe, and a discharge valve is provided on the discharge pipe. The pressure pump and the discharge valve are electrically connected to the control host.

2. The automatic coffee extraction device according to claim 1, characterized in that: The rotating bracket is provided with a rotating drive device, which is used to control the rotating bracket to rotate and drive the pressure plate assembly or the sealing cover to rotate. The rotating drive device is electrically connected to the control host.

3. The automatic coffee extraction device according to claim 2, characterized in that: The pressure plate assembly includes a pressure plate, a pressure plate mounting frame and a pressure plate lifting drive structure, the pressure plate lifting drive structure is connected to the rotating bracket through the pressure plate mounting frame, and the output end of the pressure plate lifting drive structure is installed with a pressure plate for pressing coffee powder, and the rotating bracket is also installed with a sealing cover mounting frame and a sealing cover lifting drive structure, the sealing cover lifting drive structure is connected to the rotating bracket through the sealing cover mounting frame, the output end of the sealing cover lifting drive structure is connected to the sealing cover, and the pressure plate lifting drive structure and the sealing cover lifting drive structure are electrically connected to the control host.

4. The automatic coffee extraction device according to claim 1, characterized in that: A bottom plate, a filter screen and a filter screen pressing plate are installed in the extraction chamber. A bottom plate is installed at the bottom of the extraction chamber. The filter screen is detachably installed on the bottom plate through the filter screen pressing plate. A plurality of liquid outlet holes are opened on the bottom plate, and the liquid outlet holes are arranged opposite to the barrel body.

5. The automatic coffee extraction device according to claim 4, characterized in that: A plurality of locking buckles and adjusting nuts are installed on the outer side of the extraction chamber. The locking buckles are used to clamp the sealing cover and the extraction chamber. A movable adjusting nut is provided on the locking buckles, and the adjusting nut is used to squeeze the locking buckles and make them contact with the sealing cover.

6. The automatic coffee extraction device according to claim 1, characterized in that: A sealing rubber ring is provided at the contact surface between the extraction chamber and the sealing cover.

7. The automatic coffee extraction device according to claim 1, characterized in that: The water injection pipeline is provided with a water inlet valve for controlling the passage in the water injection pipeline, and the water inlet valve is electrically connected to the control host.

8. The automatic coffee extraction device according to claim 1, characterized in that: An electronic scale assembly for weighing the extracted coffee concentrate is provided in the barrel body, and the electronic scale assembly is electrically connected to the control host.

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