Coffee grinding and feeding device

Abstract

According to the technical scheme, the coffee grinding and feeding device is characterized by comprising grinding equipment, and the grinding equipment is used for grinding coffee beans into coffee powder; the stirring and mixing equipment is used for uniformly mixing the coffee powder with water; the conveying equipment is used for conveying the uniformly mixed coffee powder and filling the uniformly mixed coffee powder into the extraction container; the flattening and compacting equipment is used for flattening and compacting the coffee powder filled into the extraction container; through the arrangement of the stirring and mixing equipment, the conveying equipment and the flattening and compacting equipment, stirring, conveying, filling, flattening and compacting of coffee powder do not need to be carried out manually, and therefore the labor cost is greatly saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coffee extraction, and more particularly to a coffee grinding and feeding device. BACKGROUND

[0002] When coffee products are produced, coffee beans that have been roasted are ground into powder by a grinding device, and the coffee powder is then processed to produce coffee products. One common processing method is to extract the coffee powder.

[0003] Before the coffee powder is extracted, the coffee powder needs to have a certain moisture content. Therefore, water is added to the ground coffee powder to ensure that the moisture content of the coffee powder meets the requirements. After the coffee powder is mixed with a certain amount of water, the coffee powder needs to be transported and filled into an extraction container for subsequent extraction. The coffee powder filled into the extraction container also needs to be leveled and compacted before extraction. In the prior art, a large amount of manual labor is required for stirring, transporting, filling, leveling, and compacting the coffee powder, which greatly increases the production cost. SUMMARY

[0004] To overcome the deficiencies of the prior art, the present application provides a coffee grinding and feeding device that eliminates the need for manual labor for stirring, transporting, filling, leveling, and compacting the coffee powder by providing a stirring and mixing device, a conveying device, and a leveling and compacting device.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a coffee grinding and feeding device, comprising a grinding device for grinding coffee beans into coffee powder; a stirring and mixing device for mixing the coffee powder with water evenly; a conveying device for conveying and filling the mixed coffee powder into an extraction container; a leveling and compacting device for leveling and compacting the coffee powder filled into the extraction container.

[0006] The present application further provides that the stirring and mixing device comprises a mixing box in which the coffee powder is mixed with water; a feeding pipe fixedly connected to the top of the mixing box and used to feed the ground coffee powder into the mixing box; Rotating rods are rotationally connected to the mixing box and located in the mixing box, the length direction of the mixing box is horizontal, and two rotating rods are provided, the length directions of the two rotating rods are parallel to the length direction of the mixing box and are arranged side by side along a horizontal direction perpendicular to the length direction of the rotating rods. Spiral blades are fixedly connected to the parts of the rotating rods located in the mixing box. And a spraying head is arranged in the mixing box and used for spraying water mist to the coffee powder in the mixing box.

[0007] The mixing device further comprises a water supply pipe, one end of the water supply pipe is connected with the constant-pressure water supply device, one end of the water supply pipe extends into the mixing box and is connected with the spraying head.

[0008] The water supply pipe is provided with an automatic valve, and the automatic valve is arranged outside the mixing box. The water supply pipe is provided with a flow meter, and the flow meter is arranged outside the mixing box and on the side of the automatic valve close to the spraying head.

[0009] The conveying device further comprises a containing box, the containing box is open at the top and used for receiving the coffee powder mixed with water. A conveying auger is arranged, the feeding end of the conveying auger is communicated with the side of the containing box close to the bottom, and the discharging end of the conveying auger is arranged upwardly and away from the containing box. A conveying line is arranged and used for conveying the extraction container. And an automatic filling machine is arranged above the conveying line and at the bottom of the end of the conveying auger away from the containing box, the conveying auger conveys the coffee powder into the automatic filling machine, and the automatic filling machine is used for filling the coffee powder into the extraction container conveyed on the conveying line.

[0010] The containing box is provided with rotating rods rotationally connected in the containing box, the axis direction of the rotating rods is horizontal, and one end of the rotating rods is above the feeding end of the conveying auger. The rotating rods are fixedly connected with spiral blades arranged around the rotating rods, and the spiral blades are used for pushing the coffee powder to move to the feeding end of the conveying auger in the process of following the rotation of the rotating rods.

[0011] The conveying line comprises a plurality of conveying rollers arranged along the conveying direction of the conveying line, the axis direction of the conveying rollers is horizontal and perpendicular to the conveying direction of the conveying line.

[0012] The application is further provided with: the transmission device further comprises a weighing mechanism arranged below the automatic filling machine for weighing the extraction container being filled.

[0013] The application is further provided with: the flattening and compacting device comprises a flattening mechanism arranged on the transmission line and used for scraping the top of the coffee powder in the extraction container transmitted to the flattening mechanism; and a compacting mechanism arranged on the transmission line and used for compacting the coffee powder in the extraction container transmitted to the compacting mechanism, the compacting mechanism being arranged on the side of the flattening mechanism close to the rear side of the conveying direction of the conveying mechanism.

[0014] The application is further provided with: the extraction container is arranged as a cylinder with an open top and an axis arranged vertically, the flattening mechanism comprises a lifting seat arranged above the transmission line and capable of moving up and down along the vertical direction; a flattening shaft rotatably connected to the bottom of the lifting seat and arranged with an axis vertically; and a flattening rod fixedly connected to the outside of one end of the bottom of the flattening shaft, the length direction of the flattening rod being arranged along the radial direction of the flattening shaft, the flattening rod being arranged with a plurality of and the plurality of flattening rods being arranged uniformly around the flattening shaft; The compacting mechanism comprises a compacting disc arranged with an axis vertically, the compacting disc being capable of sliding along the vertical direction to enter the extraction container to compact the coffee powder downward.

[0015] In summary, the application has the following beneficial effects compared with the prior art: the application is provided with the stirring device, the transmission device and the flattening and compacting device, so that the stirring, conveying, filling, flattening and compacting of the coffee powder do not need to be performed by manpower, thereby greatly saving the labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 a schematic view of the stirring device of the embodiment; Figure 2 a schematic view of the transmission device of the embodiment; Figure 1 a schematic view of the transmission device of the embodiment; Figure 3 a schematic view of the transmission device of the embodiment; Figure 4 a schematic view of the transmission device of the embodiment; Figure 3 a schematic view of the transmission device of the embodiment; Figure 5 a schematic view of the transmission device of the embodiment; Figure 6 a schematic view of the transmission device of the embodiment; Figure 5 a schematic view of the transmission device of the embodiment; Figure 7 a schematic view of the weighing mechanism of the embodiment; Figure 8 Schematic view of the flattening and compacting device according to an embodiment; Figure 9 Schematic view of the flattening and compacting device according to an embodiment; Figure 8 Schematic view of the D section of the flattening and compacting device according to an embodiment; Figure 10 Schematic view of the E section of the flattening and compacting device according to an embodiment; Figure 8 Schematic view of the E section of the flattening and compacting device according to an embodiment; Figure 11 Schematic view of the positioning mechanism according to an embodiment; Figure 12 Schematic view of the F section of the positioning mechanism according to an embodiment; Figure 11 Schematic view of the F section of the positioning mechanism according to an embodiment; Figure 13 Schematic view of the baffle according to an embodiment.

[0017] In the figure: 1, mixing device; 11, mixing tank; 111, feeding pipe; 12, shower head; 121, water supply pipe; 122, automatic valve; 123, flow meter; 124, water return pipe; 125, water return control valve; 13, cleaning shower head; 131, cleaning pipe; 2, conveying device; 21, containing tank; 211, rotating rod; 212, helical blade; 22, conveying auger; 23, automatic filling machine; 24, conveying line; 241, conveying roller; 242, conveying frame; 26, weighing mechanism; 261, lifting frame; 262, support rod; 263, weight sensor; 3, flattening and compacting device; 32, flattening mechanism; 321, lifting seat; 322, flattening shaft; 323, flattening rod; 324, scraping rod; 33, compacting mechanism; 331, pressure plate; 34, support frame; 35, positioning mechanism; 351, positioning block; 36, baffle. DETAILED DESCRIPTION

[0018] In order to make the technical solutions of the present application better understood by the people in the field, the technical solutions of the present application will be described clearly and completely below in combination with the drawings of the present application. Other similar embodiments obtained by the people in the field without making creative efforts based on the embodiments in the present application shall all belong to the scope of protection of the present application. In addition, the directional words mentioned in the following embodiments, such as “up”, “down”, “left”, “right” and the like are only the directions of the drawings, therefore, the directional words used are used for illustration but not for limiting the present application.

[0019] The present application will be further described below in combination with the drawings and the preferred embodiments.

[0020] Embodiment: A coffee grinding and feeding device, as shown in the drawings Figure 1 - the drawings Figure 13, including grinding equipment, stirring equipment 1, conveying equipment 2 and flattening and compacting equipment 3, the grinding equipment is used for grinding coffee beans into coffee powder; the stirring equipment 1 is used for uniformly mixing coffee powder with water; the conveying equipment 2 is used for conveying and filling the uniformly mixed coffee powder into an extraction container; and the flattening and compacting equipment 3 is used for flattening and compacting the coffee powder filled into the extraction container.

[0021] The coffee beans are first ground into powder by the grinding equipment, then the powder is sent into the stirring equipment 1, a predetermined amount of water is mixed with the coffee powder by the stirring equipment 1 to make the humidity of the coffee powder meet the requirements, then the coffee powder is filled into the extraction container by the conveying equipment 2, and then the coffee powder filled into the extraction container is flattened and compacted by the flattening and compacting equipment 3, so that the stirring, conveying, filling, flattening and compacting of the coffee powder do not need to be carried out by manpower, thereby greatly saving the labor cost.

[0022] Specifically, the stirring equipment 1 comprises a mixing box 11, a feeding pipe 111, rotating rods 211, spiral blades 212 and a spray head 12, the coffee powder is mixed with water in the mixing box 11; the feeding pipe 111 is fixedly connected to the top of the mixing box 11 and is used for sending the ground coffee powder into the mixing box 11; the rotating rods 211 are rotatably connected to the mixing box 11 and the rotating rods 211 are located in the mixing box 11, the length direction of the mixing box 11 is horizontal, the two rotating rods 211 are arranged side by side in the horizontal direction perpendicular to the length direction of the rotating rods 211 and parallel to the length direction of the mixing box 11; the spiral blades 212 are fixedly connected to the part of the rotating rods 211 located in the mixing box 11; and the spray head 12 is arranged in the mixing box 11 and is used for spraying water mist into the mixing box 11.

[0023] The coffee powder enters the mixing box 11 through the feeding pipe 111, then water mist is sprayed into the mixing box 11 by the spray head 12, and then the two rotating rods 211 are reversely rotated to drive the coffee powder to move and turn back and forth in the up-down direction and the length direction of the mixing box 11, so that the coffee powder at each position can be uniformly mixed with the water mist.

[0024] Specifically, the stirring equipment 1 further comprises a water supply pipe 121, one end of the water supply pipe 121 is connected with a constant-pressure water supply device, and the other end of the water supply pipe 121 extends into the mixing box 11 and is connected with the spray head 12.

[0025] Specifically, the water supply pipe 121 is provided with an automatic valve 122, and the automatic valve 122 is arranged outside the mixing box 11. By arranging the automatic valve 122, the opening and closing of the spray head 12 can be automatically controlled.

[0026] Specifically, the water supply pipe 121 is provided with a flow meter 123, which is arranged outside the mixing box 11 and on the side of the automatic valve 122 close to the spray head 12. Through the arrangement of the flow meter 123, the amount of water sprayed by the spray head 12 can be measured, so as to control the amount of water mixed into the coffee powder.

[0027] Specifically, the water supply pipe 121 is provided with a backwater pipe 124, which is provided with a backwater control valve 125, and the connection between the backwater pipe 124 and the water supply pipe 121 is arranged on the side of the automatic valve 122 away from the flow meter 123.

[0028] Specifically, the mixing box 11 is provided with two discharge ports at the end away from the spray head 12, and a discharge plate is arranged on the mixing box 11 and rotatably connected to the mixing box 11. The discharge plate is connected to the mixing box 11 by rotation and separation. When the discharge plate is connected to the mixing box 11, the discharge port is closed.

[0029] Through the arrangement of the discharge port, after the coffee powder and water mist are uniformly mixed, the discharge port is opened by the discharge plate, and then the two rotating rods 211 rotate in the same direction, so that the coffee powder is discharged from the discharge port.

[0030] Specifically, the embodiment also includes a cleaning pipe 131 and a cleaning nozzle 13. The cleaning pipe 131 is connected to the high-pressure water pump to provide high-pressure water for the cleaning pipe 131. The cleaning nozzle 13 is arranged in the mixing box 11 to spray high-pressure water flow for flushing. The cleaning nozzle 13 is in communication with the cleaning pipe 131 through a pipeline.

[0031] Through the arrangement of the cleaning nozzle 13 and the cleaning pipe 131, the mixing box 11 and the spiral blade 212 can be easily flushed by high-pressure water flow.

[0032] Specifically, the cleaning nozzle 13 is provided with a plurality of cleaning nozzles and is uniformly arranged along the length direction of the mixing box 11.

[0033] Specifically, the transmission device 2 includes a containing box 21, a transmission auger 22, a transmission line 24, and an automatic filling machine 23. The containing box 21 is open at the top and is used to receive coffee powder mixed with water. The feeding end of the transmission auger 22 is in communication with the position close to the bottom of one side of the containing box 21. The discharge end of the transmission auger 22 is inclined upward away from the containing box 21. The transmission line 24 is used to transmit the extraction container. The automatic filling machine 23 is arranged above the transmission line 24 and at the bottom of the end of the transmission auger 22 away from the containing box 21. The transmission auger 22 transmits the coffee powder into the automatic filling machine 23. The automatic filling machine 23 is used to fill the coffee powder into the extraction container transmitted on the transmission line 24.

[0034] After the coffee powder is mixed by the stirring device 1, the coffee powder is all transmitted into the containing box 21, the coffee powder is temporarily stored by the containing box 21, and then the coffee powder in the containing box 21 is transmitted into the automatic filling machine 23 by the transmission screw 22, and the coffee powder is filled into the extraction container transmitted on the transmission line 24 by the automatic filling machine 23.

[0035] Specifically, the bottom of the containing box 21 is provided with a rotating rod 211 rotatingly connected in the containing box 21, the axis direction of the rotating rod 211 is horizontal, and one end of the rotating rod 211 is above the feeding end of the transmission screw 22; the rotating rod 211 is fixedly connected with a spiral blade 212 spirally arranged around the rotating rod 211, and the spiral blade 212 is used for pushing the coffee powder to move to the feeding end of the transmission screw 22 in the process of following the rotation of the rotating rod 211.

[0036] Through the arrangement of the rotating rod 211 and the spiral blade 212, the coffee powder in the containing box 21 far away from the transmission screw 22 can be moved to the feeding end of the transmission screw 22.

[0037] Specifically, the bottom of the containing box 21 is provided with a semicircular channel coaxial with the rotating rod 211, and the outer side of the spiral blade 212 is attached to the inner wall of the channel.

[0038] Specifically, the transmission line 24 includes a plurality of transmission rollers 241 arranged along the transmission direction of the transmission line 24, and the axis direction of the transmission roller 241 is horizontal and perpendicular to the transmission direction of the transmission line 24.

[0039] The embodiment also includes a weighing mechanism 26 arranged below the automatic filling machine 23 for weighing the extraction container being filled.

[0040] Specifically, the automatic filling machine 23 includes a containing tank and a filling channel fixedly connected to the bottom of the containing tank, the filling channel is arranged as a filling screw, and the discharge end of the filling screw is fixedly connected with a vertically arranged filling pipe. The top of the containing tank is in communication with the top of the end of the transmission screw 22 away from the containing box 21, and after the coffee powder is transmitted into the containing tank, it is transmitted to the filling pipe by the filling screw, so as to be filled into the extraction container by the filling pipe. The extraction container is weighed in real time by the weighing mechanism 26 during filling, and the filling screw stops working when the weight reaches the required value, so as to stop filling the extraction container. Through the arrangement of the weighing mechanism 26, the precision of filling is improved.

[0041] Specifically, the weighing mechanism 26 comprises a lifting frame 261 and a weight sensor 263. The lifting frame 261 is arranged below the conveying line 24, and at least two support rods 262 capable of passing through two adjacent conveying rollers 241 are fixedly connected to the top of the lifting frame 261. The support rods 262 move upward with the lifting frame 261 to lift the extraction container on the conveying line 24 upward. The weight sensor 263 is fixedly connected to the bottom of the lifting frame 261 to weigh the coffee powder filled in the extraction container.

[0042] When the extraction container moves above the weighing mechanism 26, the lifting frame 261 moves upward and lifts the extraction container from the conveying line 24, thereby facilitating the weighing of the extraction container while filling.

[0043] Specifically, the containing box 21 and the auger are also provided with a cleaning nozzle 13 connected with the cleaning pipe 131. The cleaning nozzle 13 sprays high-pressure water into the containing box 21 and the conveying auger 22 to clean the containing box 21 and the conveying auger 22.

[0044] Specifically, the flattening and compacting device 3 comprises a flattening mechanism 32 and a compacting mechanism 33. The flattening mechanism 32 is arranged on the conveying line 24 and is used to scrape the top of the coffee powder in the extraction container conveyed to the flattening mechanism 32. The compacting mechanism 33 is arranged on the conveying line 24 and is used to compact the coffee powder in the extraction container conveyed to the compacting mechanism 33. The compacting mechanism 33 is arranged on the side of the flattening mechanism 32 close to the rear side of the conveying direction along the conveying direction of the conveying mechanism.

[0045] The extraction container filled with coffee powder is conveyed by the conveying line 24. During the conveying process, the extraction container passes through the flattening mechanism 32 and the compacting mechanism 33. The coffee powder in the extraction container is flattened at the top by the flattening mechanism 32, and the compacting mechanism 33 is used to compact the coffee powder. The flattening and compacting are realized by mechanical means without consuming manpower, which can improve the quality of flattening and compacting.

[0046] Specifically, the extraction container is a cylinder with an open top and a vertical axis.

[0047] Specifically, the flattening mechanism 32 comprises a lifting seat 321, a flattening shaft 322, and flattening rods 323. The lifting seat 321 is arranged above the conveying line 24 and can move up and down in the vertical direction. The flattening shaft 322 is rotationally connected to the bottom of the lifting seat 321 and is arranged vertically. The flattening rods 323 are fixedly connected to the outer side of one end of the bottom of the flattening shaft 322. The length direction of the flattening rods 323 is arranged along the radial direction of the flattening shaft 322. The flattening rods 323 are arranged in multiple and uniformly arranged around the flattening shaft 322.

[0048] Specifically, the flattening mechanism 32 further comprises a scraping rod 324, the scraping rod 324 is arranged as a round rod, a plurality of vertical scraping rods 324 are fixedly connected to the bottom of each flattening rod 323, and the plurality of scraping rods 324 are arranged on the flattening rod 323 along the length direction of the flattening rod 323.

[0049] The flattening rod 323 and the scraping rod 324 can be extended into the extraction container through the up-down movement of the lifting seat 321, and the flattening rod 323 and the scraping rod 324 can drive the coffee powder to be scraped through the rotation of the flattening shaft 322, so that the top of the coffee powder is gradually flattened, and the coffee powder close to the top can be kept more uniform through the stirring of the scraping rod 324 inserted into the coffee powder, so that the consistency of the compaction degree of the coffee powder in each part is ensured when the coffee powder is compacted subsequently.

[0050] Specifically, the compaction mechanism 33 comprises a pressing disc 331, the axis of the pressing disc 331 is vertical, and the pressing disc 331 can slide in the vertical direction to enter the extraction container to compact the coffee powder downward.

[0051] The pressing disc 331 can enter the extraction container through vertical movement to compact the coffee powder downward.

[0052] Specifically, the transmission line 24 further comprises a transmission frame 242, the transmission frame 242 is supported on the ground, and the transmission roller 241 is rotationally connected to the transmission frame 242.

[0053] Specifically, the embodiment further comprises a support frame 34, and one support frame 34 is correspondingly arranged for the flattening mechanism 32 and the compaction mechanism 33, the support frame 34 is fixedly connected to the top of the transmission frame 242, a cylinder is fixedly connected to the support frame 34, and the cylinders on the two support frames 34 are respectively used to drive the pressing disc 331 and the lifting seat 321 to move up and down.

[0054] Specifically, the transmission line 24 further comprises a baffle 36, the baffle 36 is arranged on one side of the top of the transmission line 24 and arranged in the length direction along the transmission direction of the transmission line 24.

[0055] Specifically, the embodiment further comprises a positioning mechanism 35, the positioning mechanism 35 is arranged in two and correspondingly arranged for the flattening mechanism 32 and the compaction mechanism 33, and the positioning mechanism 35 is used to align the axis of the extraction container with the axis of the flattening shaft 322 and the pressing disc 331 respectively when the extraction container moves to the flattening mechanism 32 and the compaction mechanism 33.

[0056] Specifically, the positioning mechanism 35 is arranged on the top of the transmission frame 242 and away from the baffle 36, and comprises two positioning blocks 351 which slide along a horizontal direction perpendicular to the baffle 36, and the two positioning blocks 351 are provided with arc-shaped positioning grooves on the two side edges close to the baffle 36 and close to each other, and the groove walls of the two positioning grooves of the two positioning blocks 351 are fitted on the outside of the extraction container when the extraction container is pushed and pressed on the baffle 36 by the two positioning blocks 351.

[0057] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-described embodiments. Any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.

Claims

1. A coffee grinding and dosing device, characterized in that: The grinding device is used for grinding coffee beans into coffee powder; The stirring device (1) is used for uniformly mixing coffee powder with water; The conveying device (2) is used for conveying and filling the uniformly mixed coffee powder into an extraction container; The flattening and compacting device (3) is used for flattening and compacting the coffee powder filled into the extraction container.

2. A coffee grinding and dosing device according to claim 1, characterized in that: The stirring device comprises a mixing box (11) in which coffee powder is mixed with water; A feeding pipe (111) is fixedly connected to the top of the mixing box (11) and used for feeding the ground coffee powder into the mixing box (11); Rotary rods (211) are rotatably connected to the mixing box (11) and located in the mixing box (11), the length direction of the mixing box (11) is horizontal, and the two rotary rods (211) are arranged side by side in a horizontal direction perpendicular to the length direction of the rotary rods (211) and parallel to the length direction of the mixing box (11); Spiral blades (212) are fixedly connected to the portions of the rotary rods (211) located in the mixing box (11); And a spray head (12) is arranged in the mixing box (11) and used for spraying water mist to the coffee powder in the mixing box (11).

3. A coffee grinding and dosing device according to claim 2, characterized in that: The water supply pipe (121) has one end connected to a constant-pressure water supply device, and the other end extends into the mixing box (11) and is connected to the spray head (12).

4. A coffee grinding and dosing device according to claim 3, characterized in that: An automatic valve (122) is arranged on the water supply pipe (121) and outside the mixing box (11); A flow meter (123) is arranged on the water supply pipe (121) and outside the mixing box (11) and on the side of the automatic valve (122) close to the spray head (12).

5. A coffee grinding and feeding device according to claim 1, characterized in that: The conveying device (2) comprises a containing box (21) with an open top and used for receiving coffee powder after mixing with water; A conveying auger (22) has its feeding end communicated with a position close to the bottom of one side of the containing box (21), and the discharging end of the conveying auger (22) is arranged upwardly and inclined away from the containing box (21); A conveying line (24) is used for conveying an extraction container; And an automatic filling machine (23) is arranged above the conveying line (24) and at the bottom of the end of the conveying auger (22) away from the containing box (21), the conveying auger (22) conveys coffee powder into the automatic filling machine (23), and the automatic filling machine (23) is used for filling coffee powder into the extraction container conveyed on the conveying line (24).

6. A coffee grinding and dosing device according to claim 5, characterized in that: The bottom of the containing box (21) is provided with a rotating rod (211) rotatably connected in the containing box (21), the axis direction of the rotating rod (211) is horizontal, and one end of the rotating rod (211) is located above the feeding end of the conveying auger (22). The rotating rod (211) is fixedly connected with spiral blades (212) spirally arranged around the rotating rod (211), and the spiral blades (212) are used to push the coffee powder to move to the feeding end of the conveying auger (22) during rotation of the rotating rod (211).

7. A coffee grinding and dosing device according to claim 6, characterized in that: The conveying line (24) comprises a plurality of conveying rollers (241) arranged along the conveying direction of the conveying line (24), the axis direction of the conveying rollers (241) is horizontal and perpendicular to the conveying direction of the conveying line (24).

8. A coffee grinding and dosing device according to claim 7, characterized in that: The conveying device (2) further comprises a weighing mechanism (26) arranged below the automatic filling machine (23) for weighing the extraction container being filled.

9. A coffee grinding and dosing device according to claim 5, characterized in that: The flattening and compacting device (3) comprises a flattening mechanism (32) arranged on the conveying line (24) and used for scraping the top of the coffee powder in the extraction container conveyed to the flattening mechanism (32); and a compacting mechanism (33) arranged on the conveying line (24) and used for compacting the coffee powder in the extraction container conveyed to the compacting mechanism (33), the compacting mechanism (33) is arranged on the conveying mechanism on the side close to the rear side of the conveying direction of the flattening mechanism (32). The extraction container is arranged as a cylinder with an open top and an axis vertically arranged, the flattening mechanism (32) comprises a lifting seat (321) arranged above the conveying line (24) and capable of moving up and down along the vertical direction; 10. A coffee grinding and dosing device according to claim 1, characterized in that: a flattening shaft (322) rotatably connected to the bottom of the lifting seat (321) and arranged with an axis vertically; and a flattening rod (323) fixedly connected to the outer side of one end of the bottom of the flattening shaft (322), the length direction of the flattening rod (323) is arranged along the radial direction of the flattening shaft (322), the flattening rod (323) is arranged in multiple and uniformly arranged around the flattening shaft (322); The compacting mechanism (33) comprises a pressing disc (331) arranged with an axis vertically, the pressing disc (331) is capable of sliding along the vertical direction to enter the extraction container to compact the coffee powder downward. ​

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