Anti-blocking coffee machine bean box bean discharging mechanism

Abstract

The utility model relates to an anti-jamming bean feeding mechanism of a bean box of a coffee machine, and aims to solve the technical problems that beans are easy to get stuck in the bean feeding process, the beans are easy to splash outwards when entering a grinder, the matching between bean feeding components is not easy to fix, and the in-place detection is lacked. The mechanism is characterized in that the mechanism comprises a bean box assembly and a bean box base assembly, an arched cavity is formed in one side of an inclined face between a through hole and the inner wall at the position where a bean feeding gear is arranged in a bean box of the bean box assembly, a bean inlet is formed in one side of the arched cavity, and one end of the arched cavity at the bean inlet protrudes and is aligned with a bean feeding opening of a lower cover of the bean box below; a bean blocking prevention gear is arranged in the arch-shaped cavity, one side of a gear piece of the bean blocking prevention gear is aligned with the bean inlet, and meanwhile, the lower portion of the gear piece of the bean blocking prevention gear is aligned with a gap between bean poking pieces on one side of the bean feeding gear in the arch-shaped cavity; an arc-shaped bone position is arranged on one side of a bean inlet in the outer diameter of the arc-shaped cavity of the bean box, and coffee beans on the disc face of the bean feeding gear are guided to enter the bean inlet in the bean box.

Description

TECHNICAL FIELD

[0001] The utility model relates to coffee machine's bean box, it is a kind of anti -jamming coffee machine bean box lower bean mechanism. BACKGROUND

[0002] Coffee machine is a kind of electrical equipment for coffee making, generally divided into semi-automatic and full-automatic two kinds, wherein semi-automatic coffee machine is a kind of Italian traditional coffee machine, and it is in accordance with manual operation powder grinding, powder pressing, powder loading, brewing, manual removal of residue;Among them, full-automatic coffee machine realizes the automatic control of the whole process of brewing coffee such as preheating, cleaning, powder grinding, powder pressing, brewing and powder flushing, and brews coffee according to scientific data and program, and is equipped with perfect protection system, and is convenient to use, and coffee can be obtained by pressing lightly. The grinding mechanism of coffee machine is a kind of powder grinding tool for cutting and grinding coffee beans into coffee powder when the motor drives the mechanical cutter to rotate at high speed, but the grinding mechanism of the existing coffee machine usually needs to put a certain amount of coffee beans into the bean box during grinding coffee powder, and the coffee beans are ground by the grinder, so that in most cases, it is difficult to control the amount of coffee beans, and most users are non-professionals, and cannot quantitatively grind the required amount of coffee powder, and there are residual coffee beans above the grinding disc after taking out the bean box, which affects the mixing of coffee beans with different tastes in the next time, and affects the taste quality of coffee. Therefore, some automatic coffee machines with automatic feeding, grinding and powder discharging have anti-jamming structure in the bean box lower bean mechanism, such as the application number 202420089692.0 disclosed in Chinese patent documents, the authorization announcement date is September 17, 2024, and the utility model name is "anti-jamming bean structure and grinding device". It mainly adopts the horizontal feeding screw rod arranged below the lower bean port in the bean box to realize the above product and similar products. In the process of bean feeding, beans are still easy to jam and fly outwards when entering the grinder, and the cooperation between the bean feeding components is not fixed and lacks in-place detection. SUMMARY

[0003] To overcome the above shortcomings, the utility model aims at providing an anti-jamming coffee machine bean box lower bean mechanism to solve the technical problems of existing similar products, such as easy to jam and fly outwards in the process of bean feeding, and the cooperation between the bean feeding components is not fixed and lacks in-place detection. The purpose is realized through the following technical scheme.

[0004] The anti-jamming coffee machine bean box lower bean mechanism comprises a bean box assembly and a bean box base assembly, a bean tank cover is arranged at the upper tank opening of the bean box assembly, a lower bean gear is arranged at the bottom of the bean tank, the gap between the lower bean gears arranged at equal intervals is located below the gap between the one side of the lower bean flaps of the lower bean flaps, and the lower bean opening is arranged on the one side of the lower bean tank cover below the gap. The lower bean opening is aligned with the cylindrical sleeve of the lower bean tank through the bean tank base. The structure design points of the anti-jamming coffee machine bean box lower bean mechanism are as follows: a side of the inclined surface between the through hole and the inner wall of the lower bean gear arranged in the bean tank of the bean box assembly is provided with an arched cavity, a lower bean opening is arranged on one side of the arched cavity, the end of the arched cavity protrudes from the lower bean opening of the lower bean tank cover, an anti-jamming bean gear is arranged in the arched cavity, the gear flange of the anti-jamming bean gear is aligned with the lower bean opening, and the gap between the gear flanges of the anti-jamming bean gear is aligned with the gap between the lower bean gears arranged on one side of the arched cavity. The gear flanges of the anti-jamming bean gear are inserted into the gap between the lower bean gears or located above the gap, the anti-jamming bean gear is driven to rotate through the rotation of the lower bean gear, or the anti-jamming bean gear is driven to rotate through the coffee beans jammed in the lower bean gear, and a micro motor can be arranged at the rear of the anti-jamming bean gear to drive the anti-jamming bean gear to rotate. The cylindrical sleeve at the bottom of the lower bean tank is convenient for being sleeved into the powder inlet channel of the bean grinding assembly, and the powder inlet channel can be replaced or omitted according to requirements.

[0005] An arc-shaped bone site is arranged on one side of the arched cavity of the bean tank, the bone site is arc-shaped and adheres to the inner side of the disc surface of the lower bean gear, and the bone site guides the coffee beans to enter the lower bean opening of the lower bean gear. The above structure facilitates the reduction and prevention of jamming of the coffee beans before the coffee beans enter the lower bean opening on one side of the arched cavity, that is, the coffee beans are divided and guided to flow smoothly.

[0006] One end of the fixed shaft of the anti-jamming bean gear is fixed to the lower bean gear fixed cover on one side of the arched cavity in the bean tank, the inner side of the arched plate of the lower bean gear fixed cover is provided with a cylindrical boss, the center hole of the boss is coaxially matched with the opening of the anti-jamming bean gear and the arched cavity in the bean tank, the other end of the fixed shaft is inserted into the other cylindrical boss on the inner side of the arched cavity on the other side, and the two cylindrical bosses are fixed to the outer wall groove of the anti-jamming bean gear. Two silica gel sealing rings are arranged at the two ends of the fixed shaft in the outer wall groove of the anti-jamming bean gear. The above is an embodiment of the installation structure of the anti-jamming bean gear, and other buckle installation methods can also be used to install the fixed shaft and the anti-jamming bean gear. At the same time, the outer wall groove is provided with damping oil, and the anti-jamming bean gear is provided with damping oil and silica gel sealing rings in interference fit to prevent the coffee beans from leaking when the bean tank is lifted.

[0007] The outer diameter of the lower bean gear is provided with an outer frame, and the gap between the bean pieces and the outer frame forms a U-shaped quantitative hole, and the quantitative hole is in a 15-equal-distance array, and the gap between the bean pieces is less than 8.5mm. Therefore, the bean pieces of the lower bean gear are arranged in a 24-degree angle equal-distance array, which prevents the coffee beans from being retained between the gaps of the bean pieces; at the same time, the lower bean gear with the above structure facilitates the automatic quantitative separation of coffee beans, reduces the load of the motor rotor, and prevents the beans from being stuck.

[0008] The lower bean gear includes a lower bean gear body and a silica gel gear leaf, and the outer diameter edge of the lower bean gear body is provided with a T-shaped open slot in an equal-distance distribution, and the T-shaped open slot of the lower bean gear body is in a 15-equal-distance array, and the top T-shaped block of the inner circle of the silica gel gear leaf is correspondingly engaged and fixed in the T-shaped open slot of the lower gear body, or one end of the silica gel gear leaf is respectively buckled and fixed in the T-shaped open slot of the lower gear body, and the thickness of the silica gel gear leaf is greater than 3.5. The above is another specific structural embodiment of the lower bean gear, and the structure stability of the silica gel gear leaf with one end buckled and fixed in the T-shaped open slot of the lower gear body is lower than that of the silica gel gear leaf with an inner circle; the top of the silica gel gear leaf is prevented from retaining coffee beans.

[0009] The outer side of the bean box base and the inner side of the bean box mounting rack are respectively provided with corresponding ribs, and the ribs are corresponding concave-convex sliding grooves, and the two ends of the inner side of the bean box mounting rack are respectively provided with open edges. The bean box assembly is obliquely placed into the bean box base assembly from the side, and the bean box base of the bean box assembly and the bean box mounting rack of the bean box base assembly are positioned along the ribs. The above structure facilitates the directional positioning of the bean box assembly into the bean box base assembly.

[0010] The outer diameter side of the rib of the bean box mounting rack is respectively provided with a micro switch at both ends, one side of the ejector rod is provided with an L-shaped hook, the other side of the ejector rod is provided with a rectangular protrusion, the lower side of the ejector rod is provided with an ejector rod positioning frame, the left end of the ejector rod positioning frame is provided with a semicircular hole, the semicircular hole of the ejector rod positioning frame matches the lower end of the ejector rod, the ejector rod positioning frame matches the cylindrical screw column on one side of the bean box mounting rack, and a spring is arranged between the lower side of the ejector rod and the ejector rod positioning frame; one end of the ejector rod is respectively inserted into the inner diameter of the rib of the bean box mounting rack, the bean box assembly is obliquely placed into the bean box base assembly from the side, and the bean box base of the bean box assembly and the bean box mounting rack of the bean box base assembly are positioned along the ribs, and at the same time, the ejector rod is pressed to trigger the corresponding micro switch, and the micro switch detects whether the bean box assembly and the bean box base assembly are installed in place.

[0011] The bottom of the bean box base is provided with at least two magnets, and the top of the corresponding bean box placing rack is provided with another two corresponding magnets. The bean box assembly is placed into the bean box base assembly obliquely from the side. The bean box base of the bean box assembly and the bean box placing rack of the bean box base assembly are placed and positioned along the bone, while the magnets on the bottom of the bean box base and the magnets on the bean box placing rack below are correspondingly adsorbed. The two magnets are arranged in a diagonal manner. The other side magnet corresponding to the magnetic adsorption can also be replaced by an iron gasket or an iron screw.

[0012] The inside of the bean box of the bean box assembly is provided with a bean splash prevention grid. The grid leaves of the bean splash prevention grid are arranged in the same direction and obliquely. The bottom end corners of the bean splash prevention grid are respectively provided with four end corner positioning columns. The bean box base is fixedly arranged at the bottom of the lower cover of the bean box through screws. The screws are connected with the four end corner positioning columns at the bottom of the bean splash prevention grid. The bean splash prevention grid and the bean box are integrally connected in a fixed manner. According to the above structure, the bean splash prevention grid can also be arranged in the bean box in a detachable structure.

[0013] The protruding cylindrical positioning column below the lower bean gear is inserted into the central hole of the lower bean box lower cover and is fixedly matched as a whole through a snap spring. The middle of the lower bean gear is upwardly protruded in a conical shape. The conical surface of the lower bean gear is located outside the protruding end of the arched cavity of the bean box. The conical surface of the lower bean gear is provided with equidistantly distributed bean pushing ribs. The bottom conical port is provided with equidistantly distributed bean pushing pieces. The gap between the bean pushing pieces on one side is aligned with the rectangular lower bean port of the lower bean box lower cover. The width and length of the lower bean port are greater than the gap between the bean pushing pieces of the lower bean gear. The bean pushing pieces of the lower bean gear are located outside the circle groove of the lower bean port of the lower bean box lower cover. The boss in the middle of the lower bean box lower cover inside the circle groove is sleeved into the bottom conical port of the lower bean gear. The side of the lower bean port of the lower bean box lower cover is protruded outside the gap between the bean pushing pieces. The circle groove of the lower bean box lower cover is provided with equidistantly distributed limiting blocks. The gap between the bean pushing pieces of the lower bean gear is correspondingly placed into the circle groove of the lower bean box lower cover. The limiting blocks of the lower bean box lower cover are buckled with the sleeve port outside diameter block groove of the bottom of the bean box.

[0014] The bottom of the bean box placing rack is provided with a synchronous motor positioning piece. The bottom of the synchronous motor positioning piece is provided with a synchronous motor and a synchronous motor fixing frame. The synchronous motor is arranged at the bottom of the synchronous motor positioning piece through the synchronous motor fixing frame. The bottom of the synchronous motor fixing frame is provided with a rectangular surrounding edge. One side of the middle of the rectangular surrounding edge is provided with two first screw holes. The second screw hole of the synchronous motor fixing frame is correspondingly matched with the weighing sensor below. The other end of the weighing sensor is provided with two third screw holes. The second screw hole of the weighing sensor is correspondingly matched with the weighing module fixing seat below. The above structure is convenient for real-time recording of the weight change of the coffee beans in the bean box.

[0015] The weighing sensor is in L shape, the weighing module fixing base is in T shape, one end of a sensor bridge arm of the weighing sensor is provided with a weighing support piece fixed on the top of the sensor bridge arm through a screw, the bottom of the sensor bridge arm at the end is buckled and fixed in one end limiting groove in the weighing module fixing base, the other end of the sensor bridge arm extends out of the convex part opening of the weighing module fixing base and is fixed in the mounting groove at the bottom of the synchronous motor fixing frame, and the outer diameter of the sensor bridge arm is oppositely arranged with the gap of the convex part opening of the weighing module fixing base. The above structure improves the stability, accuracy and service life of the weighing sensor, and the weighing sensor is not damaged when being deformed by downward gravity, and the internal structure of the weighing module fixing base protects the weighing sensor from being damaged when swinging left and right by external force.

[0016] The utility model discloses reasonable structure design, wide application range, and the grinding device is not easy to produce and splash outward, and the bean box assembly is convenient to disassemble and assemble, especially, the cooperation fixed mode between the bean box assembly and the bean box seat assembly is good in stability, and the bean box assembly can only start working after being detected in position, and the utility model discloses suitable for being used as the anti - jamming coffee machine bean box lower bean mechanism, and the structural improvement of similar products. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the partial explosion structure schematic diagram of the utility model.

[0018] Figure 2 It is Figure 1 the bean box bottom structure schematic diagram.

[0019] Figure 3 It is Figure 1 the assembly after stereoscopic structure schematic diagram.

[0020] Figure 4 It is Figure 3 the bean box assembly and the bean box seat assembly open state structure schematic diagram, and the arrow in the drawing is obliquely assembled.

[0021] Figure 5 It is Figure 4 the bean box assembly bottom structure schematic diagram.

[0022] Figure 6 It is Figure 4 the assembly after bottom structure schematic diagram, and the weighing sensor is cut in A-A in the drawing.

[0023] Figure 7 It is Figure 6 A-A cut structure schematic diagram, and the A part is framed in the drawing.

[0024] Figure 8 It is Figure 7 the A part enlarged view.

[0025] Figure 9 It isFigure 8 The schematic diagram of the weight sensor amplification structure.

[0026] Figure 10 The schematic diagram of the bottom part explosion structure of the bean box base assembly.

[0027] Figure 11 The schematic diagram of the internal structure of the bean box. Figure 3 The schematic diagram of the internal structure of the bean box.

[0028] Figure 12 The schematic diagram of the B part cross-section structure. Figure 11 The schematic diagram of the B part cross-section structure.

[0029] Figure 13 The schematic diagram of the internal structure of the bean box in an omitted state. Figure 11 The schematic diagram of the internal structure of the bean box in an omitted state.

[0030] Figure 14 The schematic diagram of the bottom structure of the anti-stuck bean gear and the bean box base and the bean box in an assembled state.

[0031] Figure 15 The schematic diagram of the enlarged structure of the lower bean gear in a top view state.

[0032] Figure 16 The schematic diagram of the improved structure of the lower bean gear. Figure 15 The schematic diagram of the improved structure of the lower bean gear.

[0033] Figure 17 The schematic diagram of the three-dimensional structure. Figure 16 The schematic diagram of the three-dimensional structure.

[0034] Figure 18 The schematic diagram of the explosion structure. Figure 17 The schematic diagram of the explosion structure.

[0035] Serial number and name of the drawing: 1, bean box assembly, 2, bean box base assembly, 3, transmission gear, 4, magnet, 5, clasp spring, 6, lower bean box cover, 601, lower bean opening, 7, lower bean gear, 701, outer frame, 8, anti-stuck bean gear, 9, lower bean gear fixing cover, 10, bean box base, 11, bean box, 1101, inclined surface, 1102, arched cavity, 1103, bone position, 1104, positioning screw hole, 12, anti-bean splashing grid, 13, bean box cover, 14, bean box mounting rack, 1401, cylindrical sleeve, 15, synchronous motor positioning piece, 16, synchronous motor, 17, synchronous motor fixing rack, 18, weighing sensor, 1801, sensor bridge arm, 1082, weighing supporting piece, 19, weighing module fixing seat, 20, micro switch, 21, top rod, 22, spring, 23, top rod positioning rack, 24, fixing shaft, 25, silica gel sealing ring, 26, lower bean gear main body, 27, silica gel gear leaf. Embodiment

[0036] Now, in conjunction with the accompanying drawings, the structure and use of the utility model are further described. Figures 1-15 As shown, the mechanism includes a bean box assembly 1 and a bean box base assembly 2. A bean box cover 13 is provided at the upper opening of the bean box 11 of the bean box assembly. A bean discharge gear 7 is provided at the center of the bottom of the bean box. A bean discharge opening 601 is provided on one side of the bean box lower cover 6 below the gap between the bean discharge pieces provided on one side of the bean discharge gear equidistantly. The bean discharge opening is aligned with a cylindrical sleeve 1401 of a bean box mounting frame 14 below through the bean box base 10. A raised arched cavity 1102 is provided on one side of the inclined surface 1101 between the through hole and the inner wall of the bean box where the bean discharge gear 7 is provided. A bean inlet is provided on one side of the arched cavity. One end of the arched cavity at the bean inlet is raised and aligned with the bean inlet of the lower bean box lower cover. An anti-bean jamming gear 8 is provided in the arched cavity. One side of the gear piece of the anti-bean jamming gear is aligned with the bean inlet, and the lower side of the gear piece of the anti-bean jamming gear is aligned with the gap between the bean discharge pieces on one side of the bean discharge gear in the arched cavity. An arc-shaped bone position 1103 is provided on one side of the bean inlet of the outer diameter of the arched cavity of the bean box. The bone position is arc-shaped and fits the inner disk surface of the bean-pushing piece of the lower bean gear, and guides the coffee beans on the disk surface of the lower bean gear into the bean inlet of the bean box.

[0037] Specifically, an arched cavity is provided on the left side of the bean box of the mechanism, and two cylindrical bosses are provided on the left and right sides of the inner wall of the arched cavity, and a circular opening is provided on each boss. The circular opening on the left penetrates the left wall, and two circular screw holes are provided on both sides of the left boss and penetrate the left wall; two circular grooves are provided on the front and back sides of the lower cover of the bean box, and a circular transparent opening is provided in the center of the groove, and a cylindrical boss is provided on the periphery of the transparent opening; a lower bean gear fixing cover 9 is provided on the outer wall of the arched cavity of the bean box, and the arched lower bean gear fixing cover Another cylindrical boss is located on the inner side of the plate. The center hole of the boss forms a coaxial fit with the anti-bean jam gear and the opening of the arched cavity inside the bean box. A fixed shaft 24 is located in the middle of this fit to secure the anti-bean jam gear. Two silicone sealing rings 25 are located in the grooves between the cylindrical bosses on both sides and the outer wall of the fixed shaft of the anti-bean jam gear. The fixed shaft passes through these two silicone sealing rings, which are respectively set on the outer diameter of the fixed shaft. A curved bone is provided on one side of the back of the arched cavity of the bean box. The bean lowering gear is located below the bean box, and the bean-dipping blades of the bean lowering gear are surrounded by an annular ring. The outer diameter of the bean lowering gear is provided with an outer frame 701. The gaps between the bean-dipping blades and the outer frame form U-shaped metering holes. The metering holes are arranged in an array of 15 equidistant holes, and the gaps between the bean-dipping blades are less than 8.5 mm.

[0038] like Figures 16-18As shown, the mechanism has another design of the lower bean gear structure, the lower bean gear body 26 is provided with a slot, and the silica gel gear leaf 27 is matched and inlaid. Specifically, the outer diameter edge of the lower bean gear body is provided with equidistantly distributed T-shaped open slots, the T-shaped open slots of the lower bean gear body are arranged in an equidistant array of 15, and the top T-shaped blocks of the inner circle of the silica gel gear leaf are correspondingly meshed and fixed in the T-shaped open slots of the lower gear body, or one end of the silica gel gear leaf is respectively buckled and fixed in the T-shaped open slots of the lower gear body, and the thickness of the silica gel gear leaf is greater than 3.5.

[0039] The outer side of the bean box base and the inner side of the bean box mounting rack are respectively provided with corresponding ribs, the ribs are corresponding concave-convex grooves, the two ends of the inner side of the bean box mounting rack are respectively provided with open edges, the bean box assembly is obliquely placed into the bean box base assembly from the side, and the bean box base of the bean box assembly and the bean box mounting rack of the bean box base assembly are positioned along the ribs. Meanwhile, the two ends of the outer diameter side of the rib of the bean box mounting rack are respectively provided with micro switches 20, one side of the top rod 21 is provided with an L-shaped hook, the other side of the top rod is provided with a rectangular protrusion, the lower side of the top rod is provided with a top rod positioning rack 23, the left end of the top rod positioning rack is provided with a semicircular hole, the semicircular hole of the top rod positioning rack is matched with the lower end of the top rod, the top rod positioning rack is correspondingly matched with the cylindrical screw column on one side of the bean box mounting rack, and a spring 22 is arranged between the lower side of the top rod and the top rod positioning rack; one end of the top rod is respectively inserted into the inner diameter of the rib of the bean box mounting rack, the bean box assembly is obliquely placed into the bean box base assembly from the side, and the bean box base of the bean box assembly and the bean box mounting rack of the bean box base assembly are positioned along the ribs, and the top rod is pressed to trigger the corresponding micro switch, and the micro switch detects whether the bean box assembly and the bean box base assembly are installed in place. Two magnets 4 are arranged at the bottom of the bean box base, the top of the corresponding bean box mounting rack is provided with another two corresponding magnets, the bean box assembly is obliquely placed into the bean box base assembly from the side, the bean box base of the bean box assembly and the bean box mounting rack of the bean box base assembly are positioned along the ribs, and the magnets at the bottom of the bean box base and the magnets at the lower bean box mounting rack are correspondingly adsorbed.

[0040] The inside of the bean box of the above-mentioned bean box assembly is provided with a bean splash-proof grid 12, the leaves of which are arranged in the same direction. Four end corner positioning columns are arranged at the bottom end corners of the bean splash-proof grid, corresponding to the positioning screw holes 1104 at the four corners of the inside of the bean box. The bottom base of the bean box is fixedly arranged at the bottom of the lower cover of the bean box by screws, and the screws are connected with the four end corner positioning columns at the bottom of the bean splash-proof grid. The protruding cylindrical positioning column below the lower bean gear is inserted into the central hole of the lower cover of the bean box below and is fixedly matched with the snap spring 5 to form an integrated whole. The middle of the lower bean gear is upwardly protruded in a conical shape. The conical surface of the lower bean gear is located outside the protruded end of the arched cavity of the bean box. The conical surface of the lower bean gear is provided with equidistantly distributed bean pushing ribs. The bottom conical port is provided with equidistantly distributed bean pushing pieces. The gap between the bean pushing pieces on one side is aligned with the rectangular lower bean port of the lower cover of the bean box below. The width and length of the lower bean port are greater than the gap between the bean pushing pieces of the lower bean gear. The bean pushing pieces of the lower bean gear are located outside the groove of the lower bean port of the lower cover of the bean box. The boss in the middle of the lower cover of the bean box inside the groove is sleeved with the bottom conical port of the lower bean gear. The side of the lower bean port of the lower cover of the bean box is protruded higher than the outer diameter of the gap between the bean pushing pieces. The inner diameter of the groove of the lower cover of the bean box is provided with equidistantly distributed limiting blocks. The gap between the bean pushing pieces of the lower bean gear is put into the groove of the lower cover of the bean box corresponding to the limiting blocks. The limiting blocks of the lower cover of the bean box are buckled with the sleeve port of the bottom of the bean box.

[0041] The bottom of the above-mentioned bean box placing frame is provided with a synchronous motor positioning piece 15. The bottom of the synchronous motor positioning piece is provided with a synchronous motor 16 and a synchronous motor fixing frame 17. The synchronous motor is arranged at the bottom of the synchronous fixing piece through the synchronous motor fixing frame. The bottom of the synchronous motor fixing frame is provided with a rectangular surrounding edge, one side of which is provided with two first screw holes. The second screw hole of the synchronous motor fixing frame is correspondingly matched with the weighing sensor 18 below. The other end of the weighing sensor is provided with two third screw holes. The second screw hole of the weighing sensor is correspondingly matched with the weighing module fixing seat 19 below. The weighing sensor is in an L shape, and the weighing module fixing seat is in a T shape. One end of the sensor bridge arm 1801 of the weighing sensor is provided with a weighing supporting piece 1802 fixed on the top of the sensor bridge arm by a screw. The bottom of the sensor bridge arm at this end is buckled and fixed in one end limiting groove in the weighing module fixing seat. The other end of the sensor bridge arm protrudes from the opening of the convex part of the weighing module fixing seat and is fixedly arranged in the mounting groove at the bottom of the synchronous motor fixing frame. The outer diameter of the sensor bridge arm is arranged opposite to the gap at the opening of the convex part of the weighing module fixing seat.

[0042] In use, first, the coffee beans are put into the bean box, after the machine starts to work, the bean dropping gear rotates clockwise, and drives the coffee beans in the bean box to enter the arc cavity containing the anti-blocking bean gear, if the coffee beans do not cause accumulation in the arc cavity, they will fall from the bean dropping port of the lower cover of the bean box; if the coffee beans cause accumulation, the anti-blocking bean gear rotates clockwise under the pushing force of the coffee beans, and drives the accumulated coffee beans to rotate in the gear leaves of the anti-blocking bean gear, so that the amount of accumulation in the bean dropping process is reduced.

[0043] In summary, the mechanism is particularly related to a bean blocking prevention technology in the bean box during automatic bean dropping, which is an improved iteration mechanism for the automatic bean dropping technology of the coffee machine bean box.

[0044] The above content is intended to explain the technical means of the present application, and is not intended to limit the technical scope of the present application. Those skilled in the art can make obvious improvements or replacements to the present application in combination with the existing common knowledge, which also falls within the protection scope of the claims of the present application. For example, the two micro switches and their components on one side of the bean box mounting frame can be omitted, and the two micro switches and their components are arranged on the bottom of the bean box mounting frame. The bean box base of the bean box assembly and the bean box mounting frame of the bean box base assembly are arranged and positioned along the bones, at the same time, the rib column at the bottom of the bean box base passes through the corresponding through hole of the bean box mounting frame, and triggers the corresponding two micro switches.

Claims

1. A kind of anti-stuck coffee machine bean box lower bean mechanism, which comprises bean box assembly (1) and bean box base assembly (2), the bean box cover (13) is provided at the upper box mouth of the bean tank (11) of the bean box assembly, the lower bean gear (7) is provided at the bottom center of the bean tank, the gap between the one side of the bean poking piece distributed equidistantly at the lower bean gear is provided with the lower bean cover (6) on the other side of the lower bean mouth (601), the lower bean mouth is aligned with the cylindrical sleeve (1401) of the lower bean tank mounting bracket (14) by the bean tank base (10);The lower bean mechanism is characterized in that The slope (1101) between the through hole and the inner wall of the lower bean gear (7) setting place inside the bean box (11) of the bean box assembly (1) is provided with an arched cavity (1102) on one side of the slope, the arched cavity is provided with a bean inlet on one side, the bean inlet is aligned with the lower bean inlet (601) of the lower cover (6) of the bean box, and the arched cavity is provided with an anti-blocking bean gear (8).

2. The anti-jamming coffee maker chaffer mechanism according to claim 1, characterized in that The outer diameter of the arched cavity (1102) of the bean box (11) is provided with an arc-shaped bone site (1103) on one side of the bean inlet, the bone site is arc-shaped and matches the inner side of the disc surface of the lower bean gear (7), and the bone site guides the coffee beans into the bean inlet of the disc surface of the lower bean gear.

3. The anti-jamming coffee maker chaffer mechanism according to claim 1, characterized in that One end of the fixed shaft (24) of the anti-blocking bean gear (8) is fixed to the lower bean gear fixing cover (9) on one side of the arched cavity (1102) inside the bean box (11), the inner side of the arched plate of the lower bean gear fixing cover is provided with a cylindrical boss, the center hole of the boss is coaxially matched with the opening of the anti-blocking bean gear and the arched cavity inside the bean box, the other end of the fixed shaft is inserted into the other cylindrical boss on the inner side of the arched cavity on the other side, and the two cylindrical bosses are fixed to the outer wall groove of the anti-blocking bean gear.

4. The anti-jamming coffee maker chaffer mechanism according to claim 1, characterized in that The outer diameter of the lower bean gear (7) is provided with an outer frame (701), and the gap between the bean pushing pieces and the outer frame forms a U-shaped quantitative hole, the quantitative hole is arranged in an equidistant array, and the gap between the bean pushing pieces is less than 8.5mm.

5. The anti-jamming coffee maker chaffer mechanism according to claim 1, characterized in that The lower bean gear (7) comprises a lower bean gear body (26) and a silica gel gear leaf (27), the outer diameter of the lower bean gear body is provided with equidistantly distributed T-shaped opening grooves, the T-shaped opening grooves of the lower bean gear body are arranged in an equidistant array, the T-shaped blocks at the top of the inner circle of the silica gel gear leaf are correspondingly engaged and fixed in the T-shaped opening grooves of the lower gear body, or one end of the silica gel gear leaf is respectively buckled and fixed in the T-shaped opening grooves of the lower gear body, and the thickness of the silica gel gear leaf is greater than 3.

5.

6. The anti-jamming coffee maker chaffer mechanism according to claim 1, characterized in that The outer side of the bean box base (10) and the inner side of the bean box mounting rack (14) are respectively provided with corresponding concave-convex grooves, and the inner side of the bean box mounting rack is provided with opening edges at both ends, the bean box assembly (1) is obliquely placed into the bean box base assembly (2) from the side, and the bean box base of the bean box assembly and the bean box mounting rack of the bean box base assembly are positioned along the corresponding concave-convex grooves.

7. A jam-preventing coffee maker chaffer mechanism according to claim 6, characterized in that The microswitch (20) is arranged at the outer diameter of the two ends of the bean box placement frame (14), the L-shaped hook is arranged on one side of the ejector rod (21), the rectangular convex point is arranged on the other side of the ejector rod, the ejector rod positioning frame (23) is arranged below the ejector rod, the semicircular hole is arranged at the left end of the ejector rod positioning frame, the semicircular hole of the ejector rod positioning frame is matched with the lower end of the ejector rod, the ejector rod positioning frame is matched with the cylindrical screw column on one side of the bean box placement frame (14), the spring (22) is arranged between the lower end of the ejector rod and the ejector rod positioning frame; one end of the ejector rod is inserted into the inner diameter of the bone tendon of the bean box placement frame (14) through the bean box placement frame, the bean box assembly (1) is obliquely placed into the bean box base assembly (2) from the side, the bean box base (10) of the bean box assembly is placed and positioned along the bone tendon between the bean box placement frame of the bean box base assembly, meanwhile, the ejector rod is pressed to press and trigger the corresponding microswitch, and the microswitch detects that the bean box assembly and the bean box base assembly are installed in place.

8. A jam-preventing coffee maker chaffer mechanism according to claim 7, characterized in that The bottom of the bean box base (10) is provided with at least two magnets (4), the corresponding bean box placement frame (14) is provided with another two corresponding magnets at the top, the bean box assembly (1) is obliquely placed into the bean box base assembly (2) from the side, the bean box base of the bean box assembly is placed and positioned along the bone tendon between the bean box placement frame of the bean box base assembly, meanwhile, the magnets at the bottom of the bean box base and the magnets of the bean box placement frame below are correspondingly adsorbed.

9. The anti-jamming coffee maker chaffer mechanism according to claim 1, characterized in that The bean box (11) of the bean box assembly (1) is internally provided with a bean splash prevention grid (12), the grid leaves of the bean splash prevention grid are arranged in the same direction and are inclined, four end corner positioning columns are arranged at the bottom end corners of the bean splash prevention grid, and the positioning screw holes (1104) corresponding to the four corners in the bean box are arranged, the bean box base (10) is fixedly arranged at the bottom of the bean box lower cover (6) through screws, and meanwhile, the screws are connected with the four end corner positioning columns at the bottom of the bean splash prevention grid.

10. The anti-jamming coffee maker chaffer mechanism according to claim 1, characterized in that The cylindrical positioning column protruding below the lower bean gear (7) is inserted into the central hole of the lower bean box cover (6) below and is fixedly matched with the clamping spring (5) to form an integrated whole, the middle of the lower bean gear is upwardly protruded in a conical shape, the conical surface of the lower bean gear is located outside the protruding end of the arched cavity (1102) of the bean box (11), the conical surface of the lower bean gear is provided with equidistantly distributed bean pushing ribs, the bottom conical port is provided with equidistantly distributed bean pushing pieces, the gap between the bean pushing pieces on one side is aligned with the rectangular lower bean port (601) of the lower bean box cover below, the width and length of the lower bean port are greater than the gap between the bean pushing pieces of the lower bean gear, the bean pushing pieces of the lower bean gear are located outside the circle groove of the lower bean port of the lower bean box cover, the boss in the middle of the lower bean box cover inside the circle groove is sleeved with the bottom conical port of the lower bean gear, the side of the lower bean port of the lower bean box cover is protruded outside the diameter of the gap between the bean pushing pieces, the circle groove of the lower bean box cover is provided with equidistantly distributed limiting blocks, the gap between the bean pushing pieces of the lower bean gear is placed into the circle groove of the lower bean box cover corresponding to the limiting blocks, and the limiting blocks of the lower bean box cover are buckled with the block groove outside the diameter of the protrusion at the bottom of the bean box (11).

11. The anti-jamming coffee maker chaffer mechanism according to claim 1, characterized in that The bottom of the bean box installation rack (14) is provided with a synchronous motor positioning sheet (15), the bottom of the synchronous motor positioning sheet is provided with a synchronous motor (16) and a synchronous motor fixing frame (17), the synchronous motor is arranged at the bottom of the synchronous fixing sheet through the synchronous motor fixing frame, the bottom of the synchronous motor fixing frame is provided with two first screw holes in the middle of one side of the rectangular surrounding edge, the second screw hole of the synchronous motor fixing frame corresponds to the weighing sensor (18) below, the other end of the weighing sensor is provided with two third screw holes, the second screw hole of the weighing sensor corresponds to the weighing module fixing seat (19) below.

12. The anti-jamming coffee maker chaffer mechanism according to claim 11, characterized in that The weighing sensor (18) is in L shape, one end of the sensor bridge arm (1801) of the weighing sensor is provided with a weighing supporting sheet (1802) fixed on the top of the sensor bridge arm through a screw, the bottom of the sensor bridge arm at the end is buckled and fixed in one end limiting groove in the weighing module fixing seat (19), the other end of the sensor bridge arm protrudes from the convex opening of the weighing module fixing seat and is installed and fixed in the installation groove at the bottom of the synchronous motor fixing frame (17), and the outer diameter of the sensor bridge arm is arranged in a gap opposite to the convex opening of the weighing module fixing seat.

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