CN218960561U - Double-cutter-head coffee bean grinder - Google Patents

Abstract

The utility model discloses a double-cutter-head coffee bean grinder, which relates to the technical field of coffee equipment and comprises a bean bin, wherein the upper end of the bean bin is provided with a limit groove, the upper end of the outer side surface of the bean bin is provided with a concave hole, the inner wall of the concave hole is rotationally connected with a ball I, the inner wall of the bean bin is fixedly connected with a fixed sleeve I, a cutter head device I is arranged in the bean bin, the lower opening of the inner wall of the bean bin is hexagonal and divided into a hexagonal long side and a hexagonal short side, a cutter head device II is arranged below the bean bin, the upper end of the bean bin is provided with a transmission device, the lower part of the cutter head device II is provided with a powder receiving device, the cutter head device I comprises a center shaft I, the surface of the center shaft I is in sliding sleeve joint with a bearing I and a gasket I, and the technical problems that most of single cutter heads are needed to rotate for grinding coffee beans into specified particle sizes, the time is long, the mode of adjusting the cutter heads is mostly built-in, and the use is inconvenient and flexible.

Description

Double-cutter-head coffee bean grinder

Technical Field

The utility model relates to the technical field of coffee equipment, in particular to a double-cutter-head coffee bean grinder.

Background

Coffee is deeply favored by modern people as a refreshing and delicious flavor drink, and in the process from coffee beans to coffee liquor, baked coffee beans need to be ground and then extracted, and the ground coffee is commonly used in an electric bean grinder and a manual bean grinder, wherein the manual bean grinder is low in price, small in size and wide in use range, and is sought by current coffee lovers.

However, most of the existing manual coffee bean grinding machines are single-cutter discs, the coffee beans can be ground into specified particle sizes only by rotating a plurality of circles, the design of the single-cutter discs has the defects of uneven thickness of ground coffee powder, long time consumption and relatively labor consumption, and most of the modes of adjusting the cutter discs are built-in adjustment, so that the manual coffee bean grinding machines are not convenient and flexible to use.

Disclosure of Invention

The utility model aims to provide a double-cutter-head coffee bean grinder, which solves the technical problems that most of double-cutter-head coffee bean grinders are single-cutter heads, the coffee beans can be ground into specified particle sizes only by rotating a plurality of circles, the time consumption is long, the labor consumption is high, most of cutter heads are adjusted in a built-in mode, and the use is inconvenient and flexible.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a two blade disc coffee grinds beans machine, includes the beans storehouse, the spacing groove has been seted up to the upper end in beans storehouse, the shrinkage pool has been seted up to the lateral surface upper end in beans storehouse and is connected with ball one in shrinkage pool inner wall rotation, the inner wall fixedly connected with adapter sleeve one in beans storehouse, the inside in beans storehouse is provided with blade disc device one, the inner wall lower opening part in beans storehouse is hexagonal and divide into hexagonal long limit and hexagonal minor face, the below in beans storehouse is provided with blade disc device two, the upper end in beans storehouse is provided with transmission, the below of blade disc device two is provided with and connects the powder device.

Preferably, the first cutterhead device comprises a first center shaft, a first bearing and a first gasket are sleeved on the lower side of the surface of the first center shaft in a sliding mode, a limiting block is sleeved on the upper side of the surface of the first center shaft in a sliding mode, the surface thread section of the limiting block is in threaded connection with the upper opening thread of the first fixed sleeve, the upper end of the first bearing is attached to the lower side of the inner wall of the first fixed sleeve, the upper surface of the first gasket is attached to the lower end of the first fixed sleeve, the upper end of the first center shaft is connected with a three-wall supporting frame in a penetrating mode, a limiting groove is formed in the middle of the upper surface of the three-wall supporting frame, a limiting groove inner wall of the three-wall supporting frame is fixedly sleeved on the upper end of the surface of the first center shaft, a thread groove is formed in the outer side of the first center shaft, an outer adjusting ring is connected with the inner wall of the first fixed sleeve in a sliding mode, the outer end of the first outer adjusting ring is connected with the inner wall of the first outer adjusting ring in a sliding mode, a scale groove is formed in the inner wall of the three-wall supporting frame in a sliding mode, and the first end of the first outer adjusting ring is connected with the upper end of the first rolling ball is connected with the first end of the second rolling ball.

Preferably, the screw thread section and threaded connection have female sword one in the middle part of the inner wall in beans storehouse, the lower extreme sliding sleeve of axis one has cup jointed spring two, the lower extreme of axis one runs through sliding connection has sub sword one and chassis one, the upper and lower both ends of spring two laminate the lower extreme of gasket one and the upper end of sub sword one respectively, spacing hole has been seted up to the lower surface of sub sword one, the upper surface fixedly connected with stopper of chassis one, the upper surface laminating sub sword one's lower surface of chassis one, the stopper surface sliding connection sub sword one's spacing hole inner wall of chassis one, the lower extreme screw thread department run-through threaded connection of axis one has the chassis knob, the lower surface laminating chassis one's of chassis knob, the draw-in groove has been seted up to the inner wall downside hexagonal minor face surface in beans storehouse.

Preferably, the cutter head device II comprises a fixed inner frame, the outer wall of the fixed inner frame is arranged to be hexagonal and is divided into a hexagonal long side and a hexagonal short side, concave holes are formed in the surface of the hexagonal short side of the outer wall of the fixed inner frame, balls II are rotatably connected to the inner wall of the concave holes, the upper end of the fixed inner frame is slidably connected with the hexagonal part of the lower side of the inner wall of the bean bin, the outer end of the balls II is slidably connected with the inner wall of a clamping groove, the inner wall of the fixed inner frame is fixedly connected with a second fixing sleeve, the inner wall of the second fixing sleeve penetrates through the middle shaft to be movably connected with a second center shaft, the upper side and the lower side of the surface of the second center shaft are movably sleeved with a second bearing and a second gasket, the upper side and the lower side of the second bearing are slidably connected with grooves on the upper side and the lower side of the second fixing sleeve respectively, and the second gasket is respectively attached to the upper end and the lower end of the second fixing sleeve, and the zeroing scale mark is arranged on one side of the lower end of the outer wall of the bean bin.

Preferably, the below of fixed inside casing is provided with the inner disc, the outer wall fixedly connected with connecting block of inner disc, the thread section has been seted up to the lateral surface of connecting block, the lower surface fixedly connected with fixed plate of fixed inside casing, the shrinkage pool has been seted up to the outer wall lower extreme of fixed plate and has been connected with ball three in the rotation of shrinkage pool inner wall, the side sliding connection fixed plate's of connecting block side, the inner wall upper side slip connection of inner disc has female sword two, the thread section outside screw thread of connecting block has cup jointed outer adjustment circle two, the scale groove has been seted up to outer end sliding joint outer adjustment circle two's of outer adjustment circle two inner wall downside, the thread surface and threaded connection have the fixed cover have been seted up to the inner wall downside of inner disc, the lower surface inboard laminating female sword two of fixed cover, the lower surface of second lower end sliding sleeve connection spring, second sub-sword and chassis, the lower surface of second upper end downside gasket of spring, the second lower surface of second sub-sword, the second surface of threaded connection of second sub-sword has been equipped with the thread groove, the second surface of threaded connection of second sub-sword has the fixed surface of inner disc, second threaded connection of threaded connection base has the threaded surface of second threaded connection of second bottom bracket.

Preferably, the powder receiving device comprises a powder bin, a bottom cover is connected to the lower end of the powder bin through threads, a magnetic attraction cover plate is magnetically attracted to the lower end of the bottom cover, a screening net is slidingly connected to the lower side of the inner wall of the powder bin, and a magnet is arranged on the upper surface of the powder bin and is magnetically attracted to the lower surface of the fixing base.

Preferably, the surface of the magnetic cover plate magnetically attracts the upper surface of the powder bin.

Preferably, the transmission comprises a handle base, the lower extreme sliding sleeve of handle base has transparent apron, threaded connection has a positioning screw in the middle part of the upper end of handle base, the through-hole has been seted up to the side of handle base, the through-hole inner wall of handle base runs through sliding connection has a handle pole, the locating hole has been seted up in the upper surface of handle pole running through, the lower extreme of positioning screw runs through swing joint handle pole's locating hole inner wall, the one end that the handle base was kept away from to the handle pole is connected with the handle through the bearing rotation, the inner wall lower side sliding connection of handle base has the magnet piece, threaded ring has been cup jointed to the outer wall downside screw thread department screw thread of handle base, threaded ring's upper surface laminating transparent apron's lower surface, the inner wall downside screw thread department screw thread connection of handle base has the connection base, the lower surface of connecting base laminating magnet piece, the hexagonal recess has been seted up to the lower surface of connecting the base.

Preferably, the upper end of the first center shaft is hexagonal and is in sliding connection with the inner wall of the hexagonal groove of the connecting base, and the lower end of the first center shaft is in sliding connection with the inner wall of the hexagonal groove at the upper end of the second center shaft.

Compared with the related art, the double-cutter-head coffee bean grinder provided by the utility model has the following beneficial effects:

the utility model provides a double-cutterhead coffee bean grinder, which is characterized in that a cutterhead device I and a cutterhead device II are arranged, two-section grinding is synchronously carried out, the grinding efficiency is improved, the grinding efficiency is more labor-saving, the distance from a primary cutter to a secondary cutter and the distance from the secondary cutter to the primary cutter can be changed by rotating an outer adjusting ring I and an outer adjusting ring II, the grinding thickness of the two times is changed, and the grinding is convenient and quick to adjust.

The utility model provides a double-cutter-head coffee bean grinder, which can improve the taste of coffee extraction by arranging a screening net and integrating the function of screening powder in a powder bin.

The utility model provides a double-cutter-head coffee bean grinder, which can change the transmission torque by arranging a handle rod and a positioning screw rod, and is more comfortable and labor-saving.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the upper structure of the present utility model shown in a disassembled state;

FIG. 3 is a schematic view showing a structure of a cutterhead device according to the present utility model;

FIG. 4 is a schematic view of an inverted structure of a bean bin according to the present utility model;

FIG. 5 is a schematic view showing the lower part of the present utility model in a disassembled state;

FIG. 6 is a schematic diagram illustrating the disassembly of a second structure of the cutterhead device of the present utility model;

FIG. 7 is a schematic view showing the disassembly of the powder bin structure of the utility model;

FIG. 8 is a schematic view of the assembled powder bin of the utility model;

FIG. 9 is a schematic diagram illustrating the transmission mechanism of the present utility model in an exploded view;

FIG. 10 is a schematic view of an inverted structure of a handle chassis according to the present utility model.

In the figure: 1. bean bin, 2, limit groove, 3, ball first, 4, fixed sleeve first, 5, center shaft first, 6, bearing first, 7, gasket first, 8, limit block, 9, three-wall support frame, 10, outer adjusting ring first, 11, top cover, 12, female knife first, 13, son knife first, 14, chassis first, 15, chassis knob, 16, clamping groove, 17, fixed inner frame, 18, ball second, 19, fixed sleeve second, 20, center shaft second, 21, bearing second, 22, gasket second, 23, inner disc, 24, connecting block, 25, fixing plate, 26, ball third, 27, female knife second, 28, spring first, 29, fixing cover, 30, son knife second, 31, chassis second, 32, screw, 33, outer adjusting ring second, 34, fixing base, 35, powder bin, 36, bottom cover, 37, magnetic attraction cover plate, 38, screening net, 39, handle base, 40, transparent cover plate, 41, positioning screw, 42, handle bar, 43, handle, 44, magnet sheet, 45, screw thread connection base, 46, spring second, spring connection base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-6, the utility model provides a technical scheme, which comprises a bean bin 1, wherein a limit groove 2 is formed at the upper end of the bean bin 1, a concave hole is formed at the upper end of the outer side surface of the bean bin 1, a ball I3 is rotationally connected to the inner wall of the concave hole, a fixed sleeve I4 is fixedly connected to the inner wall of the bean bin 1, a cutter disc device I is arranged in the bean bin 1, the lower opening of the inner wall of the bean bin 1 is hexagonal and divided into a hexagonal long side and a hexagonal short side, a cutter disc device II is arranged below the bean bin 1, a transmission device is arranged at the upper end of the bean bin 1, a powder receiving device is arranged below the cutter disc device II, the cutter disc device I comprises a first middle shaft 5, a bearing I6 and a gasket I7 are sleeved on the lower side of the surface of the first middle shaft 5, a limit block 8 is sleeved on the upper side of the surface thread section of the limit block 8 in threaded connection with the upper opening thread of the fixed sleeve I4, the upper end of the bearing I6 is attached to the lower side of the inner wall of the fixed sleeve I4, the upper surface of the gasket I7 is attached to the lower end of the fixed sleeve I4, the upper end of the center shaft I5 is connected with a three-wall support frame 9 in a penetrating and rotating manner, a limit groove is formed in the middle of the upper surface of the three-wall support frame 9, a limit ring is fixedly sleeved at the upper end of the surface of the center shaft I5, the limit ring of the center shaft I5 is slidingly connected with the inner wall of the limit groove of the three-wall support frame 9, a thread groove is formed in the outer side of the three-wall support frame 9, the outer side thread groove of the three-wall support frame 9 is slidingly connected with the inner wall of the limit groove 2, an outer adjusting ring I10 is in threaded connection with the lower end of the inner side of the outer adjusting ring I10, the inner side of the outer adjusting ring I10 is rotationally sleeved on the outer wall of the bean bin 1, the outer end of the ball I3 is slidingly clamped with the inner wall of the scale groove of the outer adjusting ring I10, the upper opening of the inner wall of the bean bin 1 is slidably connected with a top cover 11, the upper end of the first outer adjusting ring 10 is rotatably connected with the lower surface of the top cover 11, and one side of the upper surface of the top cover 11 is provided with a first zeroing scale mark;

the middle part of the inner wall of the bean bin 1 is provided with a thread section and is in threaded connection with a female cutter I12, the lower end of a central shaft I5 is in sliding sleeve connection with a spring II 47, the lower end of the central shaft I5 is in penetrating sliding connection with a male cutter I13 and a female cutter I14, the upper and lower ends of the spring II 47 are respectively attached to the lower end of a gasket I7 and the upper end of the male cutter I13, the lower surface of the male cutter I13 is provided with a limit hole, the upper surface of the female cutter I14 is fixedly connected with a limit block, the upper surface of the female cutter I14 is attached to the lower surface of the male cutter I13, the surface of the limit block of the female cutter I14 is in sliding connection with the limit hole inner wall of the female cutter I13, the lower end thread of the central shaft I5 is in penetrating and is in threaded connection with a female cutter 15, the upper surface of the female cutter 15 is attached to the lower surface of the female cutter I14, the lower hexagonal short side surface of the inner wall of the bean bin 1 is provided with a clamping groove 16, the female cutter II comprises a fixed inner frame 17, the outer wall of the fixed inner frame 17 is arranged into a hexagon and is divided into a hexagon long side and a hexagon short side, the hexagonal short side surface of the outer wall of the fixed inner frame 17 is provided with concave holes, balls II 18 are rotationally connected to the inner wall of the concave holes, the upper end of the fixed inner frame 17 is slidingly connected with the hexagonal part of the lower side of the inner wall of the bean bin 1, the outer end of the balls II 18 is slidingly connected with the inner wall of the clamping groove 16, the inner wall of the fixed inner frame 17 is fixedly connected with a fixed sleeve II 19, the inner wall of the fixed sleeve II 19 is movably connected with a middle shaft II 20 in a penetrating manner, the upper side and the lower side of the surface of the middle shaft II 20 are movably sleeved with a bearing II 21 and a gasket II 22, the upper bearing II 21 and the lower bearing II 21 are respectively and slidingly connected with grooves on the upper side and the lower side of the fixed sleeve II 19, the upper gasket II and the lower gasket II are respectively attached to the upper end and the lower end of the fixed sleeve II 19, a zeroing scale mark II is arranged on one side of the lower end of the outer wall of the bean bin 1, an inner disc 23 is arranged below the fixed inner frame 17, and the outer wall of the inner disc 23 is fixedly connected with a connecting block 24, the outer side surface of the connecting block 24 is provided with a thread section, the lower surface of the fixed inner frame 17 is fixedly connected with a fixed plate 25, the lower end of the outer wall of the fixed plate 25 is provided with a concave hole, the inner side of the concave hole is rotationally connected with a ball III 26, the side surface of the connecting block 24 is slidingly connected with the side surface of the fixed plate 25, the upper side of the inner wall of the inner disk 23 is slidingly connected with a female cutter II 27, the thread section of the connecting block 24 is externally sheathed with an external adjusting ring II 33, the lower side of the inner wall of the external adjusting ring II 33 is provided with a scale groove, the outer end of the ball III 26 is slidingly clamped with the inner wall of the scale groove of the external adjusting ring II 33, the lower side of the inner wall of the inner disk 23 is provided with a thread surface and is in threaded connection with a fixed cover 29, the inner side surface of the upper surface of the fixed cover 29 is jointed with the lower surface of the female cutter II 27, the lower end of the middle shaft II 20 is slidingly sheathed with a spring II 28, a sub cutter II 30 and a chassis II 31, the upper end of the first spring 28 is attached to the lower surface of the second lower side gasket 22, the lower end of the first spring 28 is attached to the upper end of the second sub-cutter 30, a limiting hole is formed in the lower surface of the second sub-cutter 30, the upper surface of the second chassis 31 is fixedly connected with a limiting block, the lower surface of the second sub-cutter 30 is attached to the upper surface of the second chassis 31, the limiting block of the second chassis 31 is slidably connected with the inner wall of the limiting hole of the second sub-cutter 30, a threaded hole and a threaded connection screw 32 are formed in the lower end of the second middle shaft 20, the screw 32 is located below the second chassis 31 and is attached to the lower surface of the second chassis 31, a threaded groove and a fixing base 34 are formed in the lower side of the inner wall of the fixing plate 25, the lower surface of the second outer adjusting ring 33 is rotatably connected with the upper surface of the fixing base 34, and a magnet is arranged in the surface of the fixing base 34.

In this embodiment: the coffee beans are put into the bean bin 1, the coffee beans are stopped at the upper ends of the first mother cutter 12 and the first son cutter 13, then the first center shaft 5 is driven to rotate through the transmission device, the coffee beans are ground through the first mother cutter 12 and the first son cutter 13, the distance from the inner teeth of the first mother cutter 12 to the outer teeth of the first son cutter 13 determines the grinding particle size of the coffee beans, at the moment, the large-particle coffee powder particles ground by the first mother cutter 12 and the first son cutter 13 fall into the fixed inner frame 17, the first center shaft 5 rotates and carries out secondary grinding on the coffee powder particles through the second center shaft 20 and the second son cutter 30 while carrying out rotation on the first son cutter 13, the two-stage grinding is synchronously carried out, the uniformity of the coffee powder grinding particles can be greatly improved, the number of circles required to be rotated is reduced, the grinding efficiency is improved, the problem that most of single cutter discs are required to be rotated to enable the large-particle size appointed by the coffee beans to be ground is solved, the time-consuming and labor-saving, the mode of adjusting is more built-in, and the cutter discs are not convenient to use;

because the first sub-cutter 13 and the second sub-cutter 30 are both frustum-shaped, the size of the ground coffee bean particles can be changed by changing the distance between the first sub-cutter 13 and the second sub-cutter 30 relative to the first mother cutter 12 and the second mother cutter 27, when the size of the primarily ground particles needs to be adjusted, the first rotating outer adjusting ring 10 drives the third-wall supporting frame 9 to move upwards or downwards through the threads on the outer side surface of the third-wall supporting frame 9, the outer end of the third-wall supporting frame 9 slides along the inner wall of the limiting groove 2 to avoid rotation, in the initial state, the second spring 47 is in a slightly compressed state, when the third-wall supporting frame 9 moves upwards, the limiting ring of the first center shaft 5 and the first center shaft 5 are pushed to move upwards through the limiting groove, the first gasket 7 is blocked by the first fixing sleeve 4 and cannot move, the second spring 47 is continuously compressed and shortened, so that the outer tooth of the first sub-cutter 13 is close to the inner tooth of the first mother cutter 12, and coffee beans can be ground more finely, when the three-wall support frame 9 moves downwards, the first spring 47 pushes the first movable cutter 13 to move downwards due to the fact that the first gasket 7 is fixed, so that the first middle shaft 5 is driven to move downwards, the distance from the outer teeth of the first movable cutter 13 to the inner teeth of the first movable cutter 12 is increased, the size of grinding particles is increased, when the first outer adjusting ring 10 is rotated, the scale groove on the inner wall of the first outer adjusting ring 10 slides along the outer end of the first ball 3, so that rattling sounds and slight vibration are generated, scale perception is improved, grinding thickness is conveniently judged, when the size of particles to be ground for the second time is required to be adjusted, the second outer adjusting ring 33 is rotated, the inner disc 23 is driven to move upwards or downwards through the connecting block 24, the inner disc 23 and the fixed cover 29 fix the second movable cutter 27 inside, so that the second movable cutter 27 moves upwards or downwards, the distance from the outer teeth of the second movable cutter 30 to the inner teeth of the second movable cutter 27 is changed, the first movable cutter 12 and the first movable cutter 13 are identical to the first movable cutter 13, the thickness of the particles to be changed, the device is convenient and quick to adjust, the third ball 26 slides along the scale groove on the inner wall of the second outer adjusting ring 33 to improve scale perception, the connection between the bean bin 1 and the fixed inner frame 17 is completed through sliding insertion, and the second ball 18 can slide into the inner wall of the clamping groove 16 to clamp and improve stability.

Embodiment two:

referring to fig. 7-8, based on the first embodiment, the present utility model provides a technical solution: the powder receiving device comprises a powder bin 35, a bottom cover 36 is connected to the lower end of the powder bin 35 in a threaded manner, a magnetic attraction cover plate 37 is magnetically attracted to the lower end of the bottom cover 36, a screening net 38 is slidingly connected to the lower side of the inner wall of the powder bin 35, magnets are arranged on the upper surface of the powder bin 35 and are magnetically attracted to the lower surface of a fixed base 34, and the surface of the magnetic attraction cover plate 37 is magnetically attracted to the upper surface of the powder bin 35.

In this embodiment: during normal powder receiving, the powder bin 35 is connected to the lower surface of the fixed base 34 through magnetic attraction, coffee powder subjected to twice grinding falls into the powder bin 35 and remains on the screening net 38, after grinding is completed, the powder bin 35 is taken down, the magnetic attraction cover plate 37 is taken down from the bottom of the bottom cover 36 and is magnetically attracted to the upper surface of the powder bin 35 to block an opening at the upper end of the powder bin 35, then the powder bin 35 is rocked to screen the coffee powder through the screening net 38, ultrafine powder is screened out, the extracted flavor is avoided, the coffee taste is improved, the magnetic attraction cover plate 37 is magnetically attracted back to the bottom of the bottom cover 36 after powder screening is completed to avoid losing, and the rotatable bottom cover 36 takes out the ultrafine powder for cleaning.

Embodiment III:

referring to fig. 9-10, based on the first embodiment, the present utility model provides a technical solution: the transmission device comprises a handle base 39, a transparent cover plate 40 is slidably sleeved at the lower end of the handle base 39, a positioning screw 41 is connected in the middle of the upper end of the handle base 39 in a penetrating threaded manner, a through hole is formed in the side face of the handle base 39, a handle rod 42 is connected in a penetrating and sliding manner to the inner wall of the through hole of the handle base 39, a positioning hole is formed in the upper surface of the handle rod 42 in a penetrating manner, a handle 43 is connected in a penetrating and movably manner to the lower end of the positioning screw 41 in a positioning hole inner wall of the handle rod 42 in a penetrating manner, one end, far away from the handle base 39, of the handle rod 42 is rotatably connected with a handle 43 through a bearing, a magnet sheet 44 is slidably connected to the lower side of the inner wall of the handle base 39, a threaded ring 45 is sleeved at the lower side thread of the outer wall of the handle base 39, a connecting base 46 is connected with the upper surface of the threaded ring 45 in a penetrating manner to the lower surface of the transparent cover plate 40, a lower surface of the connecting base 46 is connected with the lower surface of the magnet sheet 44, a hexagonal groove is formed in a lower surface of the connecting base 46, a hexagonal groove is formed in the lower surface of the connecting base 46, the upper end of a center shaft 5 is in a hexagonal groove inner wall of the connecting base 46 is in sliding manner, and the hexagonal groove is connected to the lower end of the center shaft 20 is in a sliding manner, and the lower end of the center shaft is in a hexagonal groove 20 is in the lower end of the hexagonal groove of the connecting center groove of the center shaft groove 20.

In this embodiment: the rotatable positioning screw 41 moves upwards to enable the lower end of the positioning screw 41 to be separated from the positioning hole of the handle rod 42, then the handle rod 42 is slid to change the distance from the handle 43 to the handle base 39, so that moment is changed, the handle rod 42 is fixed through the positioning screw 41, people with different heights are adapted, the rotating handle rod 42 is more comfortable and labor-saving, the hexagonal groove at the bottom of the connecting base 46 is aligned with the upper end of the first middle shaft 5 when the first middle shaft 5 is driven, the transparent cover plate 40 covers the upper opening of the bean bin 1 to prevent bean jumping, and by arranging the magnet sheet 44, when the upper end of the first middle shaft 5 is inserted into the hexagonal groove at the bottom of the connecting base 46, the upper end of the first middle shaft 5 is adsorbed onto the magnet sheet 44, and a magnetic attraction effect generates physical feedback to facilitate confirmation whether the connection is perfect.

Working principle: the coffee beans are put into the bean bin 1, the coffee beans are stopped at the upper ends of the first mother cutter 12 and the first son cutter 13, then the first center shaft 5 is driven to rotate through the transmission device, the coffee beans are ground through the first mother cutter 12 and the first son cutter 13, the grinding particle size of the coffee beans is determined by the distance from the inner teeth of the first mother cutter 12 to the outer teeth of the first son cutter 13, at the moment, the ground coffee powder particles with larger particles ground by the first mother cutter 12 and the first son cutter 13 fall into the fixed inner frame 17, the first center shaft 5 is rotated to drive the first son cutter 13 to rotate, meanwhile, the second center shaft 20 is also used for driving the second son cutter 30 to rotate, the second son cutter 30 and the second mother cutter 27 are used for grinding the coffee powder particles, the particle size designated by the coffee powder grinding cutter is enabled to be synchronously carried out in two sections, the grinding efficiency is improved, the grinding is more labor-saving, the distance from the first mother cutter 12 to the first son cutter 13 and the second mother cutter 27 are changed through rotating the outer adjusting ring 33, the distance from the second mother cutter 30 to the second mother cutter 27 is changed, the grinding coarse grinding particle size is changed, the grinding speed is also convenient and the grinding speed is also changed, the integrated powder sieving function is improved, and the transmission torque of the coffee bin 35 is more comfortable and the taste is changed.

Claims (9)

1. The utility model provides a two blade disc coffee grinds beans machine, includes beans storehouse (1), its characterized in that: the upper end of the bean bin (1) is provided with a limit groove (2), the upper end of the outer side surface of the bean bin (1) is provided with a concave hole, the inner wall of the concave hole is rotationally connected with a ball I (3), the inner wall of the bean bin (1) is fixedly connected with a fixed sleeve I (4), the interior of the bean bin (1) is provided with a cutter head device I, the bean bin comprises a bean bin body and is characterized in that the lower opening of the inner wall of the bean bin body (1) is hexagonal and divided into a hexagonal long side and a hexagonal short side, a cutter head device II is arranged below the bean bin body (1), a transmission device is arranged at the upper end of the bean bin body (1), and a powder receiving device is arranged below the cutter head device II.

2. A dual-cutterhead coffee bean grinder as claimed in claim 1, wherein: the cutter head device I comprises a center shaft I (5), a bearing I (6) and a gasket I (7) are sleeved on the lower side of the surface of the center shaft I (5) in a sliding manner, a limiting block (8) is sleeved on the upper side of the surface of the center shaft I (5) in a sliding manner, a surface thread section of the limiting block (8) is in threaded connection with an upper opening thread of a fixed sleeve I (4), the upper end of the bearing I (6) is attached to the lower side of the inner wall of the fixed sleeve I (4), the upper surface of the gasket I (7) is attached to the lower end of the fixed sleeve I (4), the upper end of the center shaft I (5) is penetrated and connected with a three-wall supporting frame (9) in a penetrating manner, a limiting groove is formed in the middle of the upper surface of the three-wall supporting frame (9), a limiting ring is fixedly sleeved on the upper end of the surface of the center shaft I (5) in a sliding manner, a threaded groove is formed in the inner wall of the limiting groove of the three-wall supporting frame (9), a thread groove is formed in the outer side surface of the three-wall supporting frame (9), the outer end of the three-wall supporting frame (9) is in a sliding connection with the lower end of the inner wall of the limiting groove I (2), an inner side of the three-wall supporting frame (10) is connected with an outer end of the inner wall of the three-wall supporting frame (10, an outer end of the inner end of the three-wall supporting frame (10 is connected with an outer end of the inner ring (10), the outer end of the first ball (3) is slidably clamped with the inner wall of the scale groove of the first outer adjusting ring (10), a top cover (11) is slidably connected to the upper opening of the inner wall of the bean bin (1), the upper end of the first outer adjusting ring (10) is rotatably connected with the lower surface of the top cover (11), and a zeroing scale mark I is arranged on one side of the upper surface of the top cover (11).

3. A dual-cutterhead coffee bean grinder as claimed in claim 2, wherein: the soybean silo comprises a soybean silo body, a first middle shaft (5), a second middle shaft (5), a first spring (47), a first sub-cutter (13) and a first chassis (14) are arranged at the middle part of the inner wall of the soybean silo body, a threaded section and a first female cutter (12) are arranged at the middle part of the inner wall of the soybean silo body, a second spring (47) is sleeved at the lower end of the first middle shaft (5) in a sliding mode, the first sub-cutter (13) and the first chassis (14) are connected through the lower end of the first middle shaft in a sliding mode, the lower end of the second spring (47) is respectively attached to the lower end of the first gasket (7) and the upper end of the first sub-cutter (13), a limiting hole is formed in the lower surface of the first sub-cutter (13), a limiting block is fixedly connected to the upper surface of the first chassis (14), the upper surface of the first chassis (14) is attached to the lower surface of the first chassis (13), and a clamping groove (16) is formed in the lower side of the inner wall of the soybean silo body.

4. A dual-cutterhead coffee bean grinder as claimed in claim 3, wherein: the cutter head device II comprises a fixed inner frame (17), the outer wall of the fixed inner frame (17) is arranged to be hexagonal and divided into a hexagonal long side and a hexagonal short side, a concave hole is formed in the surface of the hexagonal short side of the outer wall of the fixed inner frame (17), balls II (18) are rotatably connected to the inner wall of the concave hole, the upper end of the fixed inner frame (17) is slidably connected with the hexagonal part of the lower side of the inner wall of the bean bin (1), the outer end of the balls II (18) is slidably connected with the inner wall of the clamping groove (16), the inner wall of the fixed inner frame (17) is fixedly connected with a fixed sleeve II (19), the inner wall of the fixed sleeve II (19) is movably connected with a middle shaft II (20) in a penetrating mode, a bearing II (21) and a gasket II (22) are movably sleeved on the upper side and the lower side of the surface of the middle shaft II (20), the bearing II (21) is slidably connected with the grooves of the upper side and the lower side of the fixed sleeve II (19), the gasket II (22) is respectively attached to the upper end and the lower end of the fixed sleeve II (19), and the lower end of the bean bin (1) is provided with a zero scale mark.

5. A dual-cutterhead coffee bean grinder as claimed in claim 4, wherein: the utility model discloses a spring base plate, including fixed inside casing (17), fixed inside casing (17)'s below is provided with inner tray (23), the outer wall fixedly connected with connecting block (24) of inner tray (23), threaded section has been seted up to the lateral surface of connecting block (24), fixed inside casing (17)'s lower surface fixedly connected with fixed plate (25), the shrinkage pool has been seted up and is connected with ball III (26) at the shrinkage pool inner wall rotation to the outer wall lower extreme of fixed plate (25), the side sliding connection fixed plate (25) of lateral surface of connecting block (24), female sword II (27) have been slided on the inner wall upper side of inner tray (23), threaded section outside screw thread of connecting block (24) has cup jointed outer adjusting ring II (33), the scale groove has been seted up to the inner wall downside of outer adjusting ring II (33), the scale groove inner wall of ball III (33) has been seted up to the inner wall downside of inner wall lower side of inner tray (23) and threaded connection has fixed cover (29), the upper surface of fixed cover (24) has been seted up and has been pasted down on the side of female sword II (28) of the upper surface of spindle (28), lower end (28) of spring (30) and lower end (30) of lower side of spindle (28) have been pasted down, limiting holes are formed in the lower surface of the secondary cutter (30), limiting blocks are fixedly connected to the upper surface of the chassis (31), the lower surface of the secondary cutter (30) is attached to the upper surface of the chassis (31), the limiting blocks of the chassis (31) are slidably connected with the inner walls of the limiting holes of the secondary cutter (30), threaded holes and threaded connections are formed in the lower end of the middle shaft (20), the threaded holes are formed in the lower end of the threaded shaft (32), the threaded holes are located below the chassis (31) and are attached to the lower surface of the chassis (31), a thread groove is formed in the lower side of the inner wall of the fixing plate (25), a fixing base (34) is connected to the lower surface of the outer adjusting ring (33), and magnets are arranged in the surface of the fixing base (34).

6. A dual-cutterhead coffee bean grinder as claimed in claim 1, wherein: the powder receiving device comprises a powder bin (35), a bottom cover (36) is connected to the lower end of the powder bin (35) in a threaded mode, a magnetic attraction cover plate (37) is magnetically attracted to the lower end of the bottom cover (36), a screening net (38) is slidingly connected to the lower side of the inner wall of the powder bin (35), and magnets are arranged on the upper surface of the powder bin (35) and are magnetically attracted to the lower surface of a fixing base (34).

7. A dual-cutterhead coffee bean grinder as claimed in claim 6, wherein: the surface of the magnetic cover plate (37) is magnetically attracted to the upper surface of the powder bin (35).

8. A dual-cutterhead coffee bean grinder as claimed in claim 4, wherein: the transmission device comprises a handle base (39), a transparent cover plate (40) is sleeved at the lower end of the handle base (39) in a sliding manner, a positioning screw (41) is connected to the middle of the upper end of the handle base (39) in a penetrating manner, a through hole is formed in the side face of the handle base (39), a handle rod (42) is connected to the inner wall of the through hole of the handle base (39) in a penetrating manner, a positioning hole is formed in the upper surface of the handle rod (42) in a penetrating manner, a positioning hole inner wall of the handle rod (42) is connected to the lower end of the positioning screw (41) in a penetrating manner, a handle (43) is connected to one end of the handle rod (42) far away from the handle base (39) in a rotating manner through a bearing, a magnet piece (44) is connected to the lower side of the inner wall of the handle base (39) in a sliding manner, a threaded ring (45) is sleeved at the lower side thread of the outer wall of the handle base (39), a threaded ring (46) is connected to the lower side of the upper surface of the transparent cover plate (40) in a penetrating manner, a connecting base (46) is connected to the lower side thread of the inner wall of the handle base (42), a magnet piece (46) in a threaded connection mode, and a magnet piece (46) is connected to the lower surface of the magnet piece (46) in a penetrating manner.

9. A dual-cutterhead coffee bean grinder as claimed in claim 8, wherein: the upper end of the first middle shaft (5) is hexagonal and is in sliding connection with the inner wall of the hexagonal groove of the connecting base (46), and the lower end of the first middle shaft (5) is in sliding connection with the inner wall of the hexagonal groove of the upper end of the second middle shaft (20).

Images