A coffee powder multi-grade particle size filter screen type quantitative discharging device and method

Abstract

The present invention relates to the technical field of powder production, and specifically to a coffee powder multi-grade particle size filter-screen quantitative discharging device and method. The coffee powder multi-grade particle size filter-screen quantitative discharging device is used to screen the coffee powder and export it for packaging, comprising a frame and a cylinder installed on the side of the frame, and also comprising: two sieve plates movably arranged inside the cylinder, the two sieve plates are connected to a power mechanism arranged on the cylinder, and the power mechanism is used to drive the two sieve plates to rotate in the cylinder; a material-dispensing mechanism, two groups of which are arranged in the cylinder, the two groups of material-dispensing mechanisms are respectively located above the two sieve plates, and the two groups of material-dispensing mechanisms are connected to the power mechanism through an intermittent trigger mechanism. Through the mutual cooperation between various mechanisms and components, while improving the screening efficiency, after the screening is completed, the coffee powder remaining on the filter plate can be removed by the residual powder transfer mechanism, and the direction of the discharging pipe is deflected to realize the automatic recovery of the coffee powder, thereby improving the convenience and efficiency of production.

Description

Technical Field

[0001] The invention relates to the technical field of powder production, in particular to a coffee powder multi-grade particle size filter screen type quantitative discharging device and method. Background Art

[0002] Nowadays, there are more and more coffee lovers, and it has become a common drink consumed by the public.

[0003] For the sifting and packaging of coffee powder, a Chinese patent (authorization announcement number: CN210912941U) proposes a powder packaging device, which inputs the powder into the packaging box from the feed pipe, starts the drive roller, and rotates the drive roller to rotate the eccentric wheel on the connecting rod, so that the slider drives the cross bar to slide back and forth on the side wall of the packaging box, driving the filter net in the ring frame to shake the powder on it, so that the powder that meets the requirements falls quickly for packaging, and the packaged powder falls onto the conveyor belt for transportation, avoiding manual handling and increasing work efficiency.

[0004] The above patent can improve work efficiency to a certain extent, but as the work progresses, the residue on the filter screen gradually increases. Therefore, cleaning the residue on the filter screen becomes an inevitable problem. It is more troublesome for the staff to clean it. Therefore, it is difficult to achieve the ideal convenience and production efficiency when applied to actual production. Summary of the invention

[0005] The object of the present invention is to provide a coffee powder multi-grade particle size filter screen type quantitative discharging device and method to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a coffee powder multi-grade particle size filter-screen quantitative discharging device, used for screening coffee powder and exporting it for packaging, comprising a frame and a cylinder installed on the side of the frame, and also comprising: two sieve plates movably arranged inside the cylinder, the two sieve plates are connected to a power mechanism arranged on the cylinder, the power mechanism is used to drive the two sieve plates to rotate in the cylinder; a material-pickling mechanism, two groups of which are arranged in the cylinder, the two groups of which are located above the two sieve plates, respectively, and the two groups of which are located above the two sieve plates. The material-shifting mechanism is connected to the power mechanism through an intermittent trigger mechanism, and when the intermittent trigger mechanism moves, it can drive the material-shifting mechanism to move radially along the sieve plate; a residual powder transfer mechanism is provided in two groups in the cylinder, and the two groups of residual powder transfer mechanisms are respectively located above the two sieve plates, and are connected to a discharge pipe rotatably installed at the bottom of the cylinder through a transmission mechanism, and the residual powder transfer mechanism is used to scrape off the coffee powder on the sieve plate during the rotation of the sieve plate, and can prompt the transmission mechanism to drive the discharge pipe to deflect in a certain direction.

[0007] As a further solution of the present invention: the power mechanism includes a driving motor installed on the outer wall of the cylinder and a vertical pipe rotatably installed in the cylinder and fixed to the two sieve plates, the output shaft of the driving motor extends into the cylinder and is connected to the vertical pipe through a first bevel gear set, and the output shaft of the driving motor is also connected to the intermittent trigger mechanism.

[0008] As a further solution of the present invention: the material discharging mechanism includes a guide plate fixed on the inner wall of the cylinder and a movable plate slidably fitted with the guide plate, and a plurality of material discharging members are fixed to the bottom of the movable plate at equal distances along the length direction, and the material discharging members abut against the sieve plate.

[0009] As a further solution of the present invention: the intermittent trigger mechanism includes a sliding fit assembly connected to the two movable plates and an intermittent fit structure connecting the sliding fit assembly, the intermittent fit structure includes a bevel gear ring rotatably mounted on the outer periphery of the cylinder, a driving bevel gear fixed to the end of the output shaft of the driving motor and fixed to the bevel gear ring, and a gear rotatably mounted on the outer wall of the cylinder, the bevel gear ring is provided with a tooth group that cooperates with the gear, and the rotating shaft of the gear is connected to the sliding fit assembly.

[0010] As a further solution of the present invention: a bar is fixedly connected between the two movable plates, the sliding fitting assembly includes a disc rotatably mounted on the outer wall of the cylinder and an eccentric column fixed at the eccentric position of the disc, the bar is provided with a strip groove adapted to the eccentric column, the eccentric column passes through the strip groove and is slidably connected to the bar, and a first transmission belt is connected between the rotating shafts of the disc and the gear.

[0011] As a further solution of the present invention: the residual powder transfer mechanism includes a conducting structure and a cleaning assembly arranged on the two sieve plates, the conducting structure includes a column slidably fitted with the vertical pipe and two movable blocks fixed to the column, the movable blocks are adapted to the notches arranged on the sieve plates; wherein, a ring body is slidably arranged on the inner wall of the cylinder, the inner wall of the ring body is provided with a guide groove, the top end of the column is provided with a guide wheel rollingly engaged in the guide groove, a driven plate is fixed on the ring body, and the driven plate is connected to the cleaning assembly.

[0012] As a further solution of the present invention: the cleaning assembly includes two scrapers slidably arranged on the inner wall of the cylinder and respectively located above the two sieve plates, and a push plate slidably arranged on the cylinder, the push plate is fixed to the movable end of the external cylinder, and the first driving column and the second driving column are fixed on the push plate; an inclined through groove is provided on the driven plate, the second driving column passes through the inclined through groove and is slidably connected to the driven plate, and inclined grooves are respectively provided on both sides of the scraper, the first driving column extends into the inclined groove and is slidably connected to the scraper.

[0013] As a further solution of the present invention: the transmission mechanism includes a driving tube fixedly connected to the push plate through a cross arm, and a driven shaft and a vertical shaft rotatably mounted on the outer wall of the cylinder, the vertical shaft is connected to the discharge pipe through a second transmission belt, and the driven shaft and the vertical shaft are connected through a second bevel gear set; wherein, the driving tube is slidably fitted with the driven shaft, and a boss is fixed on the inner wall of the driving tube, a slide groove adapted to the boss is provided on the outer wall of the driven shaft, the slide groove is spirally arranged along the outer wall of the driven shaft, the boss extends into the slide groove and is slidably connected to the driven shaft.

[0014] A coffee powder discharging method, using the multi-stage particle size filter screen type quantitative discharging device, comprises the following steps:

[0015] Step 1: The coffee powder enters the cylinder, the power mechanism works, drives the two sieve plates to rotate, and the material-prying mechanism cooperates with the movement of the coffee powder to pry the coffee powder on the sieve plates;

[0016] Step 2: intermittently triggering the movement of the mechanism to cause the material-dispensing mechanism to move along the radial direction of the sieve plate to change the material-dispensing position;

[0017] Step three: After the sieved coffee powder is discharged in a certain amount, the residual powder transfer mechanism works to scrape off the coffee powder remaining on the sieve plate, and the conduction mechanism drives the discharge pipe to deflect the direction so that the residual powder is collected in the recovery container.

[0018] Compared with the prior art, the present invention has the following beneficial effects: the present invention is novel in design. When the coffee powder enters the cylinder, the power mechanism works to drive the two sieve plates to rotate in the cylinder. At this time, the material-prying mechanism contacts the coffee powder on the sieve plates, so the coffee powder is pried to promote the sieving of the coffee powder. When the intermittent trigger mechanism moves, the material-prying mechanism is driven to move along the radial direction of the sieve plates, thereby changing the prying position of the coffee powder by the material-prying mechanism, thereby ensuring the adequacy of the sieving process of the coffee powder, and the sifted coffee powder is led out in a certain direction. After measuring, the residual powder transfer mechanism works to scrape off the coffee powder remaining on the sieve plate, and causes the discharge pipe to deflect in direction through the conduction mechanism, so that the coffee powder that has not been sieved can then be discharged into another containing cylinder for further grinding processing. In summary, through the mutual cooperation between various mechanisms and components, while improving the screening efficiency, and after the screening is completed, the coffee powder remaining on the filter plate can be removed by the residual powder transfer mechanism, and cooperate with the deflection of the direction of the discharge pipe to realize automatic recovery of coffee powder, thereby improving the convenience and efficiency of production. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of an embodiment of a coffee powder multi-grade particle size filter-screen type quantitative discharging device;

[0020] Figure 2 It is a structural schematic diagram of another angle of an embodiment of a coffee powder multi-grade particle size filter-screen type quantitative discharging device;

[0021] Figure 3 It is a schematic diagram of the internal structure of a cylinder in one embodiment of a coffee powder multi-grade particle size filter-screen type quantitative discharging device;

[0022] Figure 4 for Figure 3 A schematic diagram of the structure from another angle;

[0023] Figure 5 for Figure 4 A magnified view of the structure at center A;

[0024] Figure 6 It is a partial structural schematic diagram of a residual powder transfer mechanism in one embodiment of a coffee powder multi-grade particle size filter-screen type quantitative discharging device;

[0025] Figure 7 for Figure 6 A schematic diagram of the structure from another angle;

[0026] Figure 8 The present invention is a structural schematic diagram of a material discharging mechanism in an embodiment of a coffee powder multi-particle size filter-screen type quantitative discharging device.

[0027] In the figure: 1, frame; 2, iron removal device; 3, grinding device; 4, cylinder; 5, sieve plate; 6, vertical pipe; 7, driving motor; 8, first bevel gear set; 9, driving bevel gear; 10, bevel gear ring; 1001, tooth set; 11, gear; 12, first transmission belt; 13, disc; 1301, eccentric column; 14, guide plate; 15, movable plate; 16, material shifting member; 17, limit plate; 18, elastic telescopic rod; 1801, limit wheel; 19. bar; 20. column; 21. movable block; 22. ring body; 23. guide wheel; 24. driven plate; 2401. inclined through groove; 25. valve; 26. push plate; 27. cross arm; 28. drive pipe; 29. ​​first drive column; 30. second drive column; 31. scraper; 3101. inclined groove; 32. driven shaft; 3201. slide groove; 33. second bevel gear set; 34. vertical shaft; 35. second transmission belt; 36. discharge pipe. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] In addition, when an element in the present invention is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only embodiment.

[0030] See also Figure 1-Figure 8In an embodiment of the present invention, a coffee powder multi-grade particle size filter-screen quantitative discharging device is provided, which is used to sieve the coffee powder and guide it out for packaging, and comprises a frame 1 and a cylinder 4 installed on the side of the frame 1, and further comprises: two sieve plates 5, which are movably arranged inside the cylinder 4, and the two sieve plates 5 are connected to a power mechanism arranged on the cylinder 4, and the power mechanism is used to drive the two sieve plates 5 to rotate in the cylinder 4; and a material-pickling mechanism, which is provided with two groups in the cylinder 4, and the two groups of the material-pickling mechanism are respectively located above the two sieve plates 5, and the two groups of the material-pickling mechanism are connected to the cylinder 4. The intermittent trigger mechanism is connected to the power mechanism, and when the intermittent trigger mechanism moves, it can drive the material-dispensing mechanism to move radially along the sieve plate 5; the residual powder transfer mechanism is provided with two groups in the cylinder 4, and the two groups of residual powder transfer mechanisms are respectively located above the two sieve plates 5, and are connected to the discharge pipe 36 rotatably installed at the bottom of the cylinder 4 through the transmission mechanism, and the residual powder transfer mechanism is used to scrape the coffee powder on the sieve plate 5 during the rotation of the sieve plate 5, and can prompt the transmission mechanism to drive the discharge pipe 36 to deflect in the direction.

[0031] Among them, it should be supplemented that an iron removal device 2 and a grinding device 3 are also provided on the frame 1. In addition, during actual production, a silver skin adsorption device is further provided under the frame 1. During specific implementation, in order to avoid the presence of metal debris in the cooked beans, ten magnet bars are provided in the iron removal device 2 to adsorb and remove the metal debris in the cooked beans, and the magnet bars are cleaned once a month. In addition, the specifications of the sieve holes on the two sieve plates 5 are different. Specifically, the sieve hole diameter on the upper sieve plate 5 is larger than the sieve hole diameter of the lower sieve plate 5. The purpose of such a setting is to refine the screening process of coffee powder. Compared with only one sieve plate 5, two sieve plates 5 of different specifications can make the screening process of coffee powder proceed sequentially, thereby improving the smoothness of the screening process.

[0032] The roasted beans after iron removal enter the grinding device 3, and then the grinding device 3 grinds the roasted beans, and then the silver skin (i.e., coffee skin) is adsorbed after the grinding process to adsorb the silver skin mixed in the coffee powder; finally, the coffee powder enters the cylinder 4 and is sieved, and after sieving, it passes through the discharge pipe 36 into a manually placed transfer barrel for subsequent packaging.

[0033] It should also be added that a valve 25 is also provided on the discharge pipe 36. The valve 25 is a special discharge valve for coffee powder. The flow rate of coffee powder is detected by a built-in sensor, thereby realizing quantitative discharge to meet the quantitative requirements of packaging. Its specific working principle is no longer described in this application. Of course, quantitative discharge can also be realized by weighing sensing, that is, a gravity sensor monitors the weight of coffee powder that passes through the sieve plate 5 and falls to the bottom of the cylinder 4. When the weight reaches a certain value, discharge and packaging begins.

[0034] During specific operation, after the coffee powder enters the cylinder 4, the power mechanism works to drive the two sieve plates 5 to rotate in the cylinder 4. At this time, the material-shifting mechanism contacts the coffee powder on the sieve plates 5, so the coffee powder will be shifted to promote the screening of the coffee powder. When the intermittent trigger mechanism moves, the material-shifting mechanism will be driven to move along the radial direction of the sieve plates 5, thereby changing the shifting position of the coffee powder by the material-shifting mechanism to ensure the adequacy of the screening process of the coffee powder. After the sifted coffee powder is discharged in a certain amount, the residual powder transfer mechanism works to scrape off the coffee powder remaining on the sieve plates 5, and the conduction mechanism causes the discharge pipe 36 to deflect in a certain direction, so that the coffee powder that has not been screened can be subsequently discharged into another containing cylinder for further grinding.

[0035] Please refer again Figure 7 The power mechanism includes a driving motor 7 installed on the outer wall of the cylinder 4 and a vertical pipe 6 rotatably installed in the cylinder 4 and fixed to the two sieve plates 5. The output shaft of the driving motor 7 extends into the cylinder 4 and is connected to the vertical pipe 6 through a first bevel gear set 8. The output shaft of the driving motor 7 is also connected to the intermittent trigger mechanism.

[0036] Specifically, the first bevel gear set 8 includes a first bevel gear fixedly mounted on the output shaft of the drive motor 7 and a second bevel gear fixedly mounted on the bottom end of the riser 6 , and the second bevel gear meshes with the first bevel gear.

[0037] Please refer again Figure 5 and Figure 8 The material-discharging mechanism includes a guide plate 14 fixed on the inner wall of the cylinder 4 and a movable plate 15 slidably fitted with the guide plate 14 . A plurality of material-discharging members 16 are fixed to the bottom of the movable plate 15 at equal intervals along the length direction, and the material-discharging members 16 abut against the sieve plate 5 .

[0038] During the screening of coffee powder, the driving motor 7 works, and its output shaft drives the vertical pipe 6 to rotate through the first bevel gear set 8, so that the vertical pipe 6 drives the sieve plate 5 to rotate. At this time, under the action of the plurality of material-prying members 16, the coffee powder on the sieve plate 5 will be moved, thereby promoting the screening of the coffee powder. When the intermittent trigger mechanism moves, the movable plate 15 will be driven to drive the plurality of material-prying members 16 to move along the length direction of the guide plate 14, and the position of the material-prying members 16 will change, thereby ensuring the adequacy of the movement of the coffee powder.

[0039] The intermittent trigger mechanism includes a sliding fit assembly connected to the two movable plates 15 and an intermittent fit structure connecting the sliding fit assembly, the intermittent fit structure includes a bevel gear ring 10 rotatably mounted on the outer periphery of the cylinder 4, a driving bevel gear 9 fixed to the end of the output shaft of the driving motor 7 and fixed to the bevel gear ring 10, and a gear 11 rotatably mounted on the outer wall of the cylinder 4, the bevel gear ring 10 is provided with a tooth group 1001 that cooperates with the gear 11, and the rotating shaft of the gear 11 is connected to the sliding fit assembly.

[0040] A bar 19 is fixedly connected between the two movable plates 15. The sliding fitting assembly includes a disc 13 rotatably mounted on the outer wall of the cylinder 4 and an eccentric column 1301 fixed at the eccentric position of the disc 13. The bar 19 is provided with a strip groove adapted to the eccentric column 1301. The eccentric column 1301 passes through the strip groove and is slidably connected to the bar 19. A first transmission belt 12 is connected between the rotating axes of the disc 13 and the gear 11.

[0041] During the operation of the driving motor 7, its output shaft will drive the bevel gear ring 10 to rotate through the driving bevel gear 9. When the tooth group 1001 on the bevel gear ring 10 meshes with the gear 11, the gear 11 is caused to rotate. Then, the rotating shaft of the gear 11 drives the disc 13 to rotate half a circle through the first transmission belt 12. Accordingly, the eccentric column 1301 is slidably matched with the bar 19, so that the bar 19 drives the movable plate 15 to move, that is, the plurality of material-pickup members 16 move radially along the sieve plate 5.

[0042] It should be supplemented that, since the tooth group 1001 and the gear 11 are in a disengaged state most of the time during operation, in order to ensure that the multiple material-digging members 16 can remain stable after changing their positions, a limiting assembly is also provided on the outer wall of the cylinder 4, and the limiting assembly includes a limiting plate 17 fixedly mounted on the outer wall of the cylinder 4, and the upper and lower parts of the limiting plate 17 are respectively provided with two notches, and the two movable plates 15 are respectively provided with limiting wheels 1801 through two groups of elastic telescopic rods 18, and the notches are adapted to the limiting wheels 1801. Under the action of the internal elasticity of the elastic telescopic rods 18, whenever the rotation of the disc 13 is completed, that is, the position switching of the multiple material-digging members 16 is completed, the limiting wheel 1801 rolls from one notch to another notch, and the limiting wheel 1801 abuts against the limiting plate 17 to position the multiple material-digging members 16 and avoid displacement of the material-digging members 16 during the screening process.

[0043] Please refer again Figure 6 , Figure 7 as well as Figure 8 The residual powder transfer mechanism includes a conduction structure and a cleaning assembly provided on the two sieve plates 5. The conduction structure includes a column 20 that is slidably fitted with the vertical pipe 6 and two movable blocks 21 fixed to the column 20. The movable blocks 21 are adapted to the notches provided on the sieve plates 5. A ring body 22 is slidably provided on the inner wall of the cylinder 4. A guide groove is provided on the inner wall of the ring body 22. A guide wheel 23 that is rollingly fitted in the guide groove is installed on the top of the column 20. A driven plate 24 is fixed to the ring body 22. The driven plate 24 is connected to the cleaning assembly.

[0044] The cleaning assembly includes two scrapers 31 slidably arranged on the inner wall of the cylinder 4 and respectively located above the two sieve plates 5, and a push plate 26 slidably arranged on the cylinder 4. Correspondingly, a guide rail is provided on the cylinder 4 for slidingly guiding the scrapers 31 so that the scrapers 31 can only slide up and down. The push plate 26 is fixed to the movable end of the external cylinder, and a first driving column 29 and a second driving column 30 are fixed to the push plate 26. An inclined through groove 2401 is provided on the driven plate 24, and the second driving column 30 passes through the inclined through groove 2401 and is slidably connected to the driven plate 24. Inclined grooves 3101 are respectively provided on both sides of the scraper 31, and the first driving column 29 extends into the inclined groove 3101 and is slidably connected to the scraper 31.

[0045] After the coffee powder is screened, the external cylinder will drive the push plate 26 to move closer to the cylinder 4. Accordingly, the first driving column 29 slides with the scraper 31 through the inclined groove 3101, and the second driving column 30 slides with the driven plate 24 through the inclined through groove 2401. As a result, the scraper 31 moves downward and contacts the sieve plate 5, the ring body 22 moves downward, and drives the column 20 to slide downward in the vertical pipe 6 through the guide wheel 23, and the column 20 drives the two movable blocks 21 to move downward, so that the gap on the sieve plate 5 is conductive. Therefore, as the sieve plate 5 rotates, the remaining coffee powder on the sieve plate 5 will be scraped off by the scraper 31 and fall to the bottom of the cylinder 4 through the gap, which is convenient for subsequent discharge and further grinding.

[0046] The transmission mechanism includes a driving tube 28 fixedly connected to the push plate 26 through a cross arm 27, and a driven shaft 32 and a vertical shaft 34 rotatably mounted on the outer wall of the cylinder 4. The vertical shaft 34 is connected to the discharge pipe 36 through a second transmission belt 35, and the driven shaft 32 and the vertical shaft 34 are connected through a second bevel gear set 33. The driving tube 28 is slidably fitted with the driven shaft 32, and a boss is fixed on the inner wall of the driving tube 28. A slide groove 3201 adapted to the boss is provided on the outer wall of the driven shaft 32. The slide groove 3201 is spirally arranged along the outer wall of the driven shaft 32. The boss extends into the slide groove 3201 and is slidably connected to the driven shaft 32.

[0047] In detail, the second bevel gear set 33 includes a number 3 bevel gear fixedly mounted on the end of the driven shaft 32 and a number 4 bevel gear fixedly mounted on the top of the vertical shaft 34, and the number 4 bevel gear is meshed with the number 3 bevel gear;

[0048] When the push plate 26 is pushed by the external cylinder to move, the push plate 26 will drive the driving tube 28 to slide along the axial direction of the driven shaft 32 through the cross arm 27. During this process, the boss on the inner wall of the driving tube 28 slides with the driven shaft 32 through the slide groove 3201, causing the driven shaft 32 to rotate. The driven shaft 32 drives the vertical shaft 34 to rotate through the second bevel gear set 33. The vertical shaft 34 drives the discharge pipe 36 to deflect in the direction through the second transmission belt 35, so that the coffee powder that has not been screened can then be discharged into another containing cylinder for further grinding processing.

[0049] As another embodiment of the present invention, a method for discharging coffee powder is also proposed, which uses the multi-stage particle size filter screen type quantitative discharging device, including the following steps:

[0050] Step 1: The coffee powder enters the cylinder 4, the power mechanism works, driving the two sieve plates 5 to rotate, and the material shifting mechanism cooperates with the movement of the coffee powder to shift the coffee powder on the sieve plates 5;

[0051] Step 2: intermittently triggering the movement of the mechanism to cause the material-dispensing mechanism to move along the radial direction of the sieve plate 5 to change the material-dispensing position;

[0052] Step three, after the sieved coffee powder is discharged in a fixed amount, the residual powder transfer mechanism works to scrape off the coffee powder remaining on the sieve plate 5, and the conduction mechanism drives the discharge pipe 36 to deflect the direction so that the residual powder is collected in the recovery container.

[0053] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0054] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A coffee powder multi-grade particle size filter-screen type quantitative discharging device, used for sieving coffee powder and discharging and packaging it, comprising a frame (1) and a cylinder (4) mounted on the side of the frame (1); It is characterized in that Also includes: Two sieve plates (5) are movably arranged inside the cylinder (4), and the two sieve plates (5) are connected to a power mechanism arranged on the cylinder (4), and the power mechanism is used to drive the two sieve plates (5) to rotate in the cylinder (4); Two groups of material-dispensing mechanisms are arranged in the cylinder (4), the two groups of material-dispensing mechanisms are respectively located above the two sieve plates (5), the two groups of material-dispensing mechanisms are connected to the power mechanism via an intermittent trigger mechanism, and when the intermittent trigger mechanism moves, the material-dispensing mechanism can be driven to move in the radial direction of the sieve plate (5); A residual powder transfer mechanism, wherein two groups are arranged in the cylinder (4), the two groups of the residual powder transfer mechanism are respectively located above the two sieve plates (5), and are connected to a discharge pipe member (36) rotatably mounted at the bottom of the cylinder (4) through a transmission mechanism, the residual powder transfer mechanism being used to scrape off the coffee powder on the sieve plate (5) during the rotation of the sieve plate (5), and being able to cause the transmission mechanism to drive the discharge pipe member (36) to deflect in a certain direction; The power mechanism comprises a driving motor (7) mounted on the outer wall of the cylinder (4) and a vertical pipe (6) rotatably mounted in the cylinder (4) and fixed to the two sieve plates (5); the output shaft of the driving motor (7) extends into the cylinder (4) and is connected to the vertical pipe (6) via a first bevel gear set (8); the output shaft of the driving motor (7) is also connected to the intermittent trigger mechanism; The residual powder transfer mechanism comprises a conduction structure and a cleaning assembly provided on the two sieve plates (5), the conduction structure comprising a column (20) slidably fitted with the standpipe (6) and two movable blocks (21) fixed to the column (20), the movable blocks (21) being adapted to the notches provided on the sieve plates (5); A ring body (22) is slidably arranged on the inner wall of the cylinder (4), a guide groove is arranged on the inner wall of the ring body (22), a guide wheel (23) rollingly engaged in the guide groove is installed on the top end of the column (20), a driven plate (24) is fixed on the ring body (22), and the driven plate (24) is connected to the cleaning assembly; The cleaning assembly comprises two scrapers (31) slidably arranged on the inner wall of the cylinder (4) and respectively located above the two sieve plates (5), and a push plate (26) slidably arranged on the cylinder (4), the push plate (26) being fixed to the movable end of the external cylinder, and a first driving column (29) and a second driving column (30) being fixed to the push plate (26); The driven plate (24) is provided with an inclined through-slot (2401), the second driving column (30) passes through the inclined through-slot (2401) and is slidably connected to the driven plate (24), inclined grooves (3101) are respectively provided on both sides of the scraper (31), the first driving column (29) extends into the inclined grooves (3101) and is slidably connected to the scraper (31); The transmission mechanism comprises a driving tube (28) fixedly connected to the push plate (26) via a cross arm (27), and a driven shaft (32) and a vertical shaft (34) rotatably mounted on the outer wall of the cylinder (4); the vertical shaft (34) is connected to the discharge pipe (36) via a second transmission belt (35); and the driven shaft (32) and the vertical shaft (34) are connected via a second bevel gear set (33); The driving tube (28) and the driven shaft (32) are slidably fitted, and a boss is fixed on the inner wall of the driving tube (28), and a slide groove (3201) adapted to the boss is provided on the outer wall of the driven shaft (32), and the slide groove (3201) is spirally arranged along the outer wall of the driven shaft (32), and the boss extends into the slide groove (3201) and is slidably connected to the driven shaft (32).

2. The coffee powder multi-grade particle size filter screen quantitative discharging device according to claim 1, characterized in that: The material-dispensing mechanism comprises a guide plate (14) fixed on the inner wall of the cylinder (4) and a movable plate (15) slidably fitted with the guide plate (14); a plurality of material-dispensing members (16) are fixed to the bottom of the movable plate (15) at equal intervals along the length direction; the material-dispensing members (16) are in contact with the sieve plate (5).

3. The coffee powder multi-grade particle size filter screen type quantitative discharging device according to claim 2, characterized in that: The intermittent trigger mechanism comprises a sliding fit component connected to the two movable plates (15) and an intermittent fit structure connected to the sliding fit component, the intermittent fit structure comprising a bevel gear ring (10) rotatably mounted on the outer periphery of the cylinder (4), a driving bevel gear (9) fixed to the end of the output shaft of the driving motor (7) and fixed to the bevel gear ring (10), and a gear (11) rotatably mounted on the outer wall of the cylinder (4), the bevel gear ring (10) being provided with a tooth group (1001) that cooperates with the gear (11), and the rotating shaft of the gear (11) being connected to the sliding fit component.

4. The coffee powder multi-grade particle size filter screen quantitative discharging device according to claim 3, characterized in that: A bar (19) is fixedly connected between the two movable plates (15); the sliding fitting assembly comprises a disc (13) rotatably mounted on the outer wall of the cylinder (4) and an eccentric column (1301) fixed at an eccentric position of the disc (13); a strip groove adapted to the eccentric column (1301) is provided on the bar (19); the eccentric column (1301) passes through the strip groove and is slidably connected to the bar (19); and a first transmission belt (12) is connected between the rotating shafts of the disc (13) and the gear (11).

5. A method for discharging coffee powder, using the multi-grade particle size filter screen type quantitative discharging device as claimed in claim 1, characterized in that: The following steps are involved: Step 1: coffee powder enters the cylinder (4), the power mechanism operates to drive the two sieve plates (5) to rotate, and the material shifting mechanism cooperates with the movement of the coffee powder to shift the coffee powder on the sieve plates (5); Step 2: intermittently triggering the movement of the mechanism to cause the material-dispensing mechanism to move along the radial direction of the sieve plate (5) to change the material-dispensing position; Step three, after the sieved coffee powder is discharged in a fixed amount, the residual powder transfer mechanism operates to scrape off the coffee powder remaining on the sieve plate (5), and the conduction mechanism drives the discharge pipe (36) to deflect the direction so that the residual powder is collected in the recovery container.

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