WO2022073523A1 - 一种研磨装置 - Google Patents

一种研磨装置 Download PDF

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Publication number
WO2022073523A1
WO2022073523A1 PCT/CN2021/123061 CN2021123061W WO2022073523A1 WO 2022073523 A1 WO2022073523 A1 WO 2022073523A1 CN 2021123061 W CN2021123061 W CN 2021123061W WO 2022073523 A1 WO2022073523 A1 WO 2022073523A1
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WO
WIPO (PCT)
Prior art keywords
grinding
grinding device
limiting
grinding head
gap
Prior art date
Application number
PCT/CN2021/123061
Other languages
English (en)
French (fr)
Inventor
金文�
胡伟
张勇
Original Assignee
宁波凯迪利电器有限公司
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Filing date
Publication date
Application filed by 宁波凯迪利电器有限公司 filed Critical 宁波凯迪利电器有限公司
Publication of WO2022073523A1 publication Critical patent/WO2022073523A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J42/00—Coffee mills; Spice mills
    • A47J42/02—Coffee mills; Spice mills having grinding cones
    • A47J42/06—Coffee mills; Spice mills having grinding cones mechanically driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J42/00—Coffee mills; Spice mills
    • A47J42/02—Coffee mills; Spice mills having grinding cones
    • A47J42/08—Adjusting mechanisms
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J42/00—Coffee mills; Spice mills
    • A47J42/02—Coffee mills; Spice mills having grinding cones
    • A47J42/10—Grinding cones
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J42/00—Coffee mills; Spice mills
    • A47J42/38—Parts or details
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J42/00—Coffee mills; Spice mills
    • A47J42/38—Parts or details
    • A47J42/46—Driving mechanisms; Coupling to drives

Definitions

  • the invention belongs to the field of grinding devices, and in particular relates to a grinding device.
  • Chinese patent application (named: a bean grinding mechanism and a bean grinding device; application number: 201720938653.3) discloses a bean grinding mechanism, which has an upper grinding wheel and a lower grinding wheel, the lower grinding wheel is installed on the motor shaft, and the upper grinding wheel is threadedly installed on the On the bracket seat, the upper grinding wheel can adjust the gap between the upper grinding wheel and the lower grinding wheel up and down through the thread, so as to adjust the thickness of the coffee grinding.
  • the present invention provides a grinding device, which can conveniently adjust and unify the grinding gap of the grinding device.
  • a grinding device comprising:
  • a driving mechanism having an output shaft detachably connected with the first grinding head, for driving the first grinding head to rotate around a rotation axis;
  • a seat body which is fixedly connected with the driving mechanism, and a first blocking part is arranged on the seat body;
  • a moving adjustment piece which is installed on the base and can adjust the position along the direction of the rotation axis;
  • a grinding gap is formed between the second grinding head and the first grinding head; the second grinding head is detachably fixed on the moving adjusting member, so that the second grinding head can be adjusted with the movement Adjust the position of the parts together to adjust the size of the grinding gap;
  • the adjustment limiter is provided with a limiter that cooperates with the first blocking part to limit the position; the adjustment limiter is detachably and fixedly connected to the movement adjustment piece, so that the two can adjust their positions at the same time, thereby driving
  • the limiting portion is close to or away from the first blocking portion; when the limiting portion approaches the first blocking portion, the grinding gap is reduced; when the limiting portion is blocked by the first blocking portion , the grinding gap is the minimum value.
  • the base body is provided with a first threaded hole along the direction of the rotation axis, and one end of the moving adjusting member is a first external thread segment matched with the first threaded hole .
  • one end of the seat body close to the grinding gap is provided with a circumferential surface coaxial with the first threaded hole, and the circumferential surface is provided with a an arc-shaped movable groove, and the first blocking part is located at one end of the arc-shaped movable groove close to the grinding gap.
  • the other end of the arc-shaped movable groove is provided with a second blocking portion, and when the limiting portion approaches the second blocking portion, the grinding gap expands, so that the When the limiting portion is blocked by the second blocking portion, the grinding gap is at a maximum value.
  • the seat body includes a cylindrical end provided with the circumferential surface
  • the adjustment limiter includes a side ring portion that surrounds the circumferential surface and is rotatably connected to the cylindrical end, and an end plate portion that is fixedly connected to an end of the side ring portion away from the seat body.
  • the end plate part is located on the side of the side ring part opposite to the circumferential surface; the end plate part is detachably and fixedly connected with the movement adjusting member.
  • a limit fixing member is also included;
  • the movement adjusting member further includes a limiting flange disposed at one end of the first external thread segment away from the base body, and the limiting fixing member is fixedly connected with the end plate portion and connects the limiting flange. It is clamped and fixed between the limit fixing member and the end plate portion.
  • the limiting flange is fixedly connected with the limiting fixing member in the circumferential direction.
  • a first annular tooth coaxial with the first threaded hole is provided on the side of the limiting bulge away from the seat body; the limiting fixing member faces the limiting
  • a second annular tooth matched with the first annular tooth is arranged on one side of the position flange.
  • the upper ring of the seat body is provided with a circle of adjustment scales, and the adjustment limiter is provided with an indication mark corresponding to the adjustment scale.
  • a locking mechanism is also included, and the locking mechanism includes:
  • each of the positioning grooves is circumferentially arranged around the axis of the first threaded hole;
  • the locking mechanism further includes an elastic member that pushes the ejector rod in the direction of the positioning groove, the positioning groove is a spherical groove, and the ejector rod is The end inserted into the positioning groove is a rounded end that fits with the spherical groove.
  • the elastic member is a spring sleeved on the ejector rod.
  • the moving adjusting member is provided with an accommodating groove, and the second grinding head is fixed in the accommodating groove.
  • the side wall of the accommodating groove is provided with a protruding rotation limiting protruding strip
  • the second grinding head is provided with a rotation limiting strip for embedding the limiting protruding strip.
  • It also includes a threaded stopper, and the thread stopper is fixed with the notch of the accommodating groove through a threaded connection, so as to clamp and fix the second grinding head in the accommodating groove.
  • it also includes a cover that surrounds the first grinding head and the second grinding head to separate the first grinding head and the second grinding head from the outside, so the The cover body is fixedly connected with the threaded stopper.
  • the cover body and the threaded stopper are integrally formed.
  • a powder outlet is provided at one end of the cover body away from the base body.
  • one end of the cover body away from the base body is provided with a powder guide slope, and the powder outlet is located at the lower end of the powder guide slope.
  • the present invention also includes a storage bin for accommodating grinding raw materials, the storage bin is arranged on the base, and the base is provided with a connection between the storage bin and the The feeding channel communicated with the grinding gap.
  • the upper end of the storage bin is a feeding port.
  • it also includes a bin cover for closing the feed opening.
  • the first grinding head is a conical grinding toothed disc
  • the second grinding head is a circular toothed disc matched with the conical grinding toothed disc
  • the driving mechanism is a motor
  • the grinding device further includes a control device for controlling the start and stop of the motor, and a power supply part for supplying power to the motor and the control device .
  • the power supply unit includes a battery and a charging interface for charging the battery.
  • control device includes a control circuit board and a control switch.
  • the present invention also includes a longitudinally arranged conduit, a trigger switch arranged adjacent to the lower end of the conduit, and a trigger element that can be moved up and down in the conduit; the trigger switch and the control circuit
  • the board is electrically connected to control the connection or disconnection of the circuit of the control circuit board; when the trigger element is located at one end of the conduit adjacent to the trigger switch, the trigger switch is triggered to connect the circuit.
  • the trigger switch is a Hall switch
  • the trigger element is a magnet
  • the second grinding head adjusts the grinding gap by moving the adjusting member on the seat body to adjust the grinding gap, and the first blocking portion on the seat body blocks the limiting portion of the adjusting limiting member, so that the The adjustment range of the moving adjustment member connected to the adjustment limiter is limited.
  • the moving adjusting member can be adjusted first to adjust the grinding gap to the set minimum value h, and then the limiting part can be adjusted. Press against the first blocking part and fix the adjustment limit piece and the moving adjustment piece. After the connection is completed, the grinding gap can be adjusted to a minimum of h.
  • the grinding device can determine the minimum value of the grinding gap by adjusting the position of the adjusting limiter and moving the adjusting member during assembly, without considering the installation error of the drive mechanism, so that the minimum grinding gap of each adjusted grinding device is Uniform and equal, standardization is achieved, the assembly efficiency is higher, and the user experience is strong, which is conducive to improving the user's evaluation of the product.
  • FIG. 1 is a cross-sectional view of a grinding device of the present invention
  • FIG. 2 is a cross-sectional view of the grinding device of the present invention from another perspective
  • Fig. 3 is the schematic diagram of the drive mechanism of the present invention.
  • Figure 4 is an exploded view of the drive mechanism of the present invention.
  • Fig. 5 is the schematic diagram of the seat of the present invention.
  • Figure 6 is an exploded view of the base of the present invention.
  • Fig. 7 is the assembled exploded view of the seat body, the moving adjusting part, the adjusting limiting part and the limiting fixing part of the present invention
  • FIG. 8 is an assembly exploded view from another perspective of the seat body, the moving adjusting member, the adjusting limiting member, and the limiting fixing member of the present invention
  • FIG. 9 is an exploded view of the assembly of the seat body, the moving adjusting member, the first grinding head, the second grinding head and the cover of the present invention.
  • Fig. 10 is the whole exploded view of the grinding apparatus of the present invention.
  • Fig. 11 is an overall assembled view of the grinding apparatus of the present invention.
  • 30-seat body 301-first threaded hole; 302-circumferential surface; 303-arc movable groove; 304-cylindrical end; 305-adjustment scale; 306-installation hole; 307-feeding channel; 308-first blocking part ; 309 - the second blocking part;
  • 40-moving adjustment piece 401-first external thread segment; 402-limiting convex edge; 4021-first annular tooth; 403-accommodating groove; 4031-rotation limiting convex strip; 404-thread limiter;
  • 60-adjustment limiter 601-limiting part; 602-side ring part; 603-end plate part; 604-indicating mark;
  • 70-limiting fixture 701-second ring tooth
  • 80 - locking mechanism 801 - positioning groove; 802 - ejector rod; 8021 - rounded end; 803 - elastic piece;
  • 90 - cover body 901 - powder outlet; 902 - powder guide slope;
  • 100-storage bin 1001-feed port; 1002-silo cover.
  • a grinding device includes a first grinding head 10 , a driving mechanism 20 , a seat body 30 , a moving adjusting member 40 , a second grinding head 50 and an adjusting limiting member 60 .
  • the driving mechanism 20 has an output shaft 201 detachably connected to the first grinding head, so as to drive the first grinding head 10 to rotate around the rotation axis.
  • the driving mechanism 20 may be a manual rocker or a motor, and is detachably connected and fixed to the first grinding head 10 through an output shaft 201 to drive the first grinding head 10 to rotate. More specifically, the end of the output shaft 201 is a flat head and has threads, and the first grinding head 10 is fitted on the flat head to achieve circumferential fixation with the output shaft 201 , and then the first grinding head 10 is tightened through the nut 202 . Fixed at the end of the output shaft 201 .
  • the seat body 30 is fixedly connected with the driving mechanism 20 for fixing the driving mechanism 20 , and also for installing the second grinding head 50 .
  • the seat body 30 is provided with a through hole for the output shaft 201 of the driving mechanism 20 to protrude.
  • the base body 30 is provided with a first blocking portion 308 .
  • the moving adjusting member 40 is installed on the seat body 30 and can adjust the position along the direction of the rotation axis; a grinding gap is formed between the second grinding head 50 and the first grinding head 10 , the second grinding head 50 is detachably fixed on the moving adjusting member 40, so that the second grinding head 50 can adjust the position together with the moving adjusting member 40 to adjust the size of the grinding gap Adjustment. That is, by adjusting the position of the moving adjusting member 40 on the base body 30, the position of the second grinding head 50 can be adjusted, thereby adjusting the size of the grinding gap.
  • the grinding gap can grind the material to be ground into a fine powder, and the specific thickness of the powder is determined according to the size of the grinding gap.
  • the material to be ground mentioned here can be coffee beans.
  • the adjustment limiting member 60 is provided with a limiting portion 601 that cooperates with the first blocking portion to limit the position; the adjustment limiting member 60 and the movement adjustment member 40 are detachable
  • the fixed connection allows the two to adjust their positions at the same time, thereby driving the limiting portion 601 to approach or move away from the first blocking portion 308 .
  • the grinding gap is reduced; when the limiting portion 601 is blocked by the first blocking portion 308 , the grinding gap is at a minimum value.
  • the first blocking portion 308 will not block the movement of the limiting portion 601 , and when the grinding gap is increased from a large size, the limiting portion 601 will continue to approach the first blocking portion 308 until the limit The portion 601 is in contact with the first blocking portion 308, and at this time, the limiting portion 601 is blocked and cannot continue to move, and the grinding gap reaches the minimum value.
  • the second grinding head 50 adjusts the grinding gap by moving the adjusting member 40 on the seat body 30 to adjust the grinding gap, and the first blocking portion 308 of the seat body 30 blocks the adjustment limit
  • the limiting portion 601 of the member 60 is used to limit the adjustment range of the moving adjustment member 40 connected with the adjustment limiting member 60 .
  • the moving adjusting member 40 can be adjusted first to adjust the grinding gap to the set minimum value h, and then the grinding gap can be adjusted to the minimum value h.
  • the limiting portion 601 abuts the first blocking portion 308 and fixes the adjusting limiting member 60 and the moving adjusting member 40.
  • the grinding gap of the grinding device can be adjusted to a minimum of h.
  • the grinding device can determine the minimum value of the grinding gap by adjusting the position of the adjustment limiter 60 and the moving adjustment member 40 during assembly, without considering the installation error of the drive mechanism 20, so that the minimum value of each adjusted grinding device is
  • the grinding gap is uniform and equal, which is standardized and more efficient during assembly.
  • the first grinding head 10 and the second grinding head 50 are both independently removable or fixed, which facilitates product cleaning and ensures product cleanliness.
  • the base body 30 is provided with a first threaded hole 301 along the direction of the rotation axis, and one end of the movement adjusting member 40 is connected to the first threaded hole 301 .
  • Matching first male thread segment 401 That is, the position adjustment of the moving adjusting member 40 on the base body 30 is realized by means of thread adjustment, thereby driving the second grinding head 50 to adjust the grinding gap.
  • the first threaded hole 301 is coaxial with the rotation axis.
  • the moving adjusting member 40 and the base body 30 are threaded to achieve position adjustment, the moving adjusting member 40 rotates when adjusting and moving, which makes the adjusting limiting member 60 also rotate along with it.
  • the trajectory of the position part 601 when moving is also rotating.
  • the first blocking part 308 should be located on the arc-shaped movement trajectory of the position limit part 601 .
  • an end of the seat body 30 close to the grinding gap is provided with a circumferential surface 302 coaxial with the first threaded hole 301 , and the circumferential surface 302 is provided with the limiting portion 601 to follow the The moving arc-shaped movable groove 303 of the adjusting member 40 is moved to adapt to the arc-shaped moving track.
  • the first blocking portion 308 is located at one end of the arc-shaped movable groove 303 close to the grinding gap.
  • the limiting portion 601 When moving toward the first grinding head 10 , the grinding gap is reduced, and the minimum grinding gap is reached after the end of the arc-shaped movable groove 303 is blocked by the first blocking portion 308 .
  • the limiting portion 601 is specifically a small raised bump
  • the first blocking portion 308 is specifically the groove wall at the end of the arc-shaped movable groove 303 .
  • the other end of the arc-shaped movable groove 303 is provided with a second blocking portion 309.
  • the grinding gap expands, so that the limiting portion 601 is blocked.
  • the second blocking portion 309 blocks, the grinding gap is at a maximum value. That is, when the limiting portion 601 moves in the arc-shaped movable groove 303 , the grinding gap is adjusted.
  • the grinding gap decreases, and when it approaches the second blocking portion 309 , the grinding gap increases. Based on this, the adjustment range of the polishing gap of the polishing device of the present invention is limited and definite.
  • the seat body 30 includes a cylindrical end 304 provided with the circumferential surface 302 ;
  • the adjustment limiter 60 includes a cylindrical end 304 surrounding the circumferential surface 302 to be connected with the cylindrical end 304 .
  • the side ring portion 602 that is rotatably connected, the end plate portion 603 that is fixedly connected to the end of the side ring portion 602 away from the base body 30 , the limiting portion 601 is located on the side ring portion 602 and the circumferential surface 302 On the opposite side; the end plate portion 603 is detachably and fixedly connected to the moving adjusting member 40 .
  • the adjustment limiter 60 is annular, and is sleeved on the cylindrical end 304 of the base body 30.
  • the movement of the limiter 601 relative to the first blocking part 308 can be realized by rotating the adjustment limiter 60 as a whole, thereby driving the movement.
  • the adjusting member 40 and the second grinding head 50 are used to adjust the grinding gap.
  • the grinding device of the present invention further includes a limiting fixing member 70
  • the moving adjusting member 40 further includes a An external thread segment 401 is far away from the limiting flange 402 at one end of the base body 30
  • the limiting fixing member 70 is fixedly connected with the end plate portion 603 and the limiting flange 402 is clamped and fixed on the between the limit fixing member 70 and the end plate portion 603 .
  • the clamping and fixing method is adopted, so that when the position of the moving adjusting member 40 on the base body 30 needs to be adjusted at the beginning of the assembly to change the grinding gap, the connection between the moving adjusting member 40 and the adjusting limiting member 60 will not be affected in the future, that is, regardless of the movement Which position the adjustment member 40 rotates to, at this time, the adjustment limiter 60 does not need to move together with it.
  • the adjustment limiter 60 is rotated to the limiter 601 and the first blocking part.
  • the limit fixing member 70 to cooperate with the adjustment limit member 60 to clamp and fix the limit flange 402 of the moving adjustment member 40 (the limit flange 402 is a circle, no matter which angle it is turned, it can be clamping), to achieve the determination of the minimum grinding gap.
  • the limiting convex edge 402 is fixedly connected to the limiting fixing member 70 in the circumferential direction.
  • a first annular tooth 4021 coaxial with the first threaded hole 301 is provided on the side of the limiting flange 402 away from the seat body 30 ;
  • a second annular tooth 701 which is matched with the first annular tooth 4021 is provided on the side of the member 70 facing the limiting convex edge 402 .
  • the circumferential fixation is realized by the engagement limit of the first annular tooth 4021 and the second annular tooth 701 , so as to avoid the relative rotation of the moving adjusting member 40 and the adjusting limiting member 60 .
  • the use of the first ring teeth 4021 and the second ring teeth 701 for cooperating to limit the position allows the moving adjustment member 40 and the adjustment limiting member 60 to be fixed at any staggered angle, thereby ensuring that the movement adjustment can be freely adjusted at the beginning of assembly
  • the position of the adjustment part 40 can be limited and fixed with the adjustment limiter 60 after adjustment, and the fixed position need not be considered.
  • the seat body 30 is provided with a circle of adjustment scales 305 .
  • the adjustment limiter 60 is provided with an indication mark corresponding to the adjustment scale 305 . 604, that is, the user can judge by the indication mark 604 and the adjustment scale 305 when adjusting the grinding gap, and determine his own adjustment amount.
  • the base body 30 is transparent, and the adjustment scale 305 can also be provided on the driving mechanism 20 , and the adjustment scale 305 can be seen through the base body 30 .
  • the grinding device of the present invention further includes a locking mechanism 80 .
  • the locking mechanism 80 includes a plurality of positioning recesses disposed on one of the seat body 30 and the adjustment limiter 60 .
  • each of the positioning grooves 801 is circumferentially arranged around the axis of the first threaded hole 301; it also includes telescopically inserted on the other one of the seat body 30 and the adjustment limiter 60
  • the ejector rod 802 is retractable to be inserted into or disengaged from the positioning groove 801 .
  • the ejector rod 802 is provided on the base body 30, and the seat body 30 is provided with a mounting hole 306 for the ejector rod 802 to be inserted and retracted.
  • the adjustment limiter 60 can rotate, and drives the moving adjustment part 40 and the second grinding head 50 rotate together, and when the grinding gap reaches the required size, the ejector pin 802 is extended out and inserted into the positioning groove 801 corresponding to it currently.
  • the adjustment limiter 60 After being inserted, the adjustment limiter 60 is relatively fixed with the base body 30 and cannot continue to rotate, thereby achieving the stability of the grinding gap and no longer changing.
  • the ejector rod 802 needs to be pulled out of the positioning groove 801 again.
  • the ejector rod 802 is provided on the adjustment limiter 60
  • the adjustment limiter 60 is provided with a mounting hole 306 for the ejector rod 802 to be inserted and retracted
  • each positioning groove 801 is provided on the seat body 30 , when it is necessary to adjust the grinding gap, first retract the ejector rod 802 into the mounting hole 306 to make the ejector pin 802 come out of the positioning groove 801, at this time, the adjustment limiter 60 can be rotated, and drives the movable adjustment member 40, the second The grinding head 50 rotates together. When the grinding gap reaches the required size, the mandrel 802 is extended and inserted into the corresponding positioning groove 801.
  • the adjustment limiter 60 After insertion, the adjustment limiter 60 is relatively fixed with the seat body 30, and cannot be Continue to rotate, so as to achieve the stability of the grinding gap and no longer change.
  • the ejector rod 802 needs to be pulled out of the positioning groove 801 again.
  • the locking mechanism 80 further includes an elastic member 803 that pushes the ejector rod 802 in the direction of the positioning groove 801.
  • the positioning groove 801 is a spherical groove, so The end of the top rod 802 that is inserted into the positioning groove 801 is a rounded end 8021 that fits with the spherical groove.
  • the elastic member 803 is specifically located in the above-mentioned mounting hole 306 for the extension and retraction of the ejector rod 802, and one end is pressed against the bottom of the installation hole 306.
  • the ejector rod 802 is provided with a raised ring, and the other end of the elastic member 803 abuts against the raised ring.
  • the elastic member 803 is a spring sleeved on the top rod 802 , and may also be an elastic rubber pad in the installation hole 306 .
  • the arrangement of the rounded end 8021 of the ejector rod 802 and the spherical groove can make it easier for the spherical groove to overcome the elastic force of the elastic member 803 through the spherical surface to push the ejector rod 802 downward when the adjustment limiter 60 is subjected to the rotational torsion force.
  • the rounded end 8021 of the ejector rod 802 comes out of the spherical groove, and the adjustment limiter 60 can be rotated to change the grinding gap after it comes out; when the adjustment limiter 60 is rotated to another spherical groove, the ejector rod 802 is elastically stretched by the elastic member 803 If the grinding gap does not meet the requirements at this time, it can continue to rotate to make the ejector rod 802 come out of the spherical groove again, and continue to adjust the grinding gap. Under this design, the user only needs to twist the adjustment limiter 60 to easily adjust the grinding gap, and after adjustment, the ejector rod 802 can automatically adjust the adjustment limiter 60 under the action of the elastic member 803 . Fixed to ensure that the grinding gap will not change again, which is more convenient.
  • the moving adjusting member 40 is provided with an accommodating groove 403 , and the second grinding head 50 is fixed in the holding groove 403 . placed in the groove 403 . After the second grinding head 50 is fixed in the accommodating groove 403, it can move together with the moving adjusting member 40 to change the gap between the second grinding head 50 and the first grinding head 10, thereby changing the grinding gap.
  • the moving adjusting member 40 is also provided with a through hole for the output shaft 201 of the driving mechanism 20 to pass through, and the second grinding head 50 is also provided with a through hole for the output shaft 201 to pass through.
  • the side wall of the accommodating groove 403 is provided with a protruding rotation limiting protrusion 4031
  • the second grinding head 50 is provided with the limiting protrusion Rotation limit slot 501 embedded in the strip;
  • the grinding device further includes a threaded stopper 404, and the thread stopper 404 is fixed with the notch of the accommodating groove 403 through a threaded connection, so as to clamp and fix the second grinding head 50 to the accommodating groove Inside.
  • the circumferential fixation between the second grinding head 50 and the moving adjusting member 40 is realized by the cooperation of the rotating limiting protruding strip 4031 and the rotating limiting groove 501, so that when the moving adjusting member 40 rotates, the second grinding head 50 moves with the movement The adjusting member 40 rotates together; and then the second grinding head 50 and the moving adjusting member 40 are limited along the axis direction through the threaded limiting member 404 and the groove bottom of the accommodating groove 403, so that the second grinding head 50 and the moving adjusting member are 40 is fixed in the axial direction.
  • the inner wall of the accommodating groove 403 is provided with an internal thread at one end away from the bottom of the groove, and the thread limiter 404 is annular, and an external thread is provided on the outer peripheral surface.
  • the head 50 is fixed in the accommodating groove 403 .
  • the grinding device of the present invention further comprises the first grinding head 10 and the second grinding head 50 being enveloped to make the first grinding head 10 and a cover 90 separating the second grinding head 50 from the outside, so as to prevent personal injury during the grinding process.
  • the cover body 90 may be fixedly connected with the base body 30 or may be fixedly connected with the threaded limiting member 404 .
  • the cover body 90 is fixedly connected with the threaded limiting member 404 . More preferably, the cover body 90 and the threaded stopper 404 are integrally formed. In this case, when the second grinding head 50 is clamped, the cover body 90 has been installed.
  • both the first grinding head 10 and the second grinding head 50 are located below the seat body 30 during grinding, so the cover body 90 is also located on the seat body 30 to cover the two grinding heads.
  • the end of the cover body 90 away from the seat body 30 is provided with a powder outlet 901, that is, the bottom of the cover body 90 has a powder outlet 901, and the powder generated after grinding is The powder falls under the action of gravity and is finally discharged from the powder outlet 901.
  • the user can place a cup under the powder outlet 901 to receive the dropped powder.
  • the cover body 90 can also play a role of collecting powder to prevent the powder from flying.
  • one end of the cover body 90 away from the base body 30 is provided with a powder guide slope 902 , and the powder outlet 901 is located on the powder guide slope 902 the lower end.
  • the powder guiding slope 902 is inclined. When the powder falls on the powder guiding slope 902 , it will slide down the powder guiding slope 902 and finally be discharged from the powder outlet 901 below the powder guiding slope 902 . That is, the powder guiding inclined surface 902 further has the effect of collecting powder, which facilitates the discharge of the powder, and prevents the powder from accumulating in the cover body 90, which is difficult to clean.
  • the grinding device of the present invention further includes a storage bin 100 for accommodating grinding raw materials.
  • the storage bin 100 is arranged on the seat body 30 , and During the grinding process, the storage bin 100 is located above the grinding gap, and the base body 30 is provided with a feeding channel 307 that communicates the storage bin 100 with the grinding gap.
  • the ground material can be coffee beans or other materials that need to be ground.
  • the grinding raw materials are installed in the storage bin 100. During grinding, the grinding raw materials enter the grinding gap along the feeding channel 307 under the action of gravity, and do not need to be manually fed.
  • the upper end of the storage bin 100 is a feeding port 1001
  • the storage bin 100 further includes a bin cover 1002 for closing the feeding port 1001 , Prevent foreign objects from entering into the storage bin 100 .
  • the storage bin 100 and the base body 30 are fixed together, preferably, the two are connected to form an integral body.
  • the first grinding head 10 and the second grinding head 50 are arranged one above the other.
  • the first grinding head 10 can be located above the second grinding head 50 or below the second grinding head 50, depending on the first grinding head 10 and the specific form of the second grinding head 50 is provided.
  • the first grinding head 10 is a conical grinding tooth disc
  • the second grinding head 50 is a conical grinding tooth
  • the annular toothed disk is matched with the disk, the output shaft 201 of the driving mechanism 20 passes through the second grinding head 50, and the first grinding head 10 is located at the end of the output shaft 201.
  • the first grinding head 10 is located in the second grinding head 10. Below the head 50.
  • the driving mechanism 20 is a motor
  • the grinding device further includes a control device for controlling the start and stop of the motor, and a power supply part for supplying power to the motor and the control device.
  • the working state of the motor is controlled by the control device to control the start and stop of the grinding.
  • the power supply unit includes a storage battery 203 and a charging interface 2031 for charging the storage battery 203
  • the storage battery 203 may be a rechargeable lithium battery.
  • the provision of the battery 203 can facilitate the portability of the grinding device, and the battery 203 can be charged through the charging interface 2031 without considering whether there is a power supply in the place of use.
  • the control device includes a control circuit board 204 and a control switch 205.
  • the control switch 205 can be arranged on the outer surface of the storage bin 100, and is arranged as a button, and the user presses the button to start the motor or turn off the motor.
  • an inner shell 209 is provided to cover the driving mechanism 20, the control circuit board 204 and the battery 203 as a whole, and then installed in the storage bin 100. The upper end of the inner shell 209 is inclined to facilitate the coffee storage in the storage bin 100 Beans slipped.
  • the first grinding head 10 and the second grinding head 50 of the present invention are both independently detachable. Since the motor of the present invention is controlled by a button, there is a possibility that the user may be injured by pressing the button to start grinding during the disassembly process. possibility.
  • the driving mechanism further includes a longitudinally disposed conduit 206 , a trigger switch 207 disposed adjacent to the lower end of the conduit 206 , and a trigger element movably disposed in the conduit 206 up and down.
  • the trigger switch 207 is electrically connected to the control circuit board 204 for controlling the circuit of the control circuit board 204 to be connected or disconnected; the trigger element 208 is located adjacent to the trigger switch 207 of the conduit 206 When one end of the trigger switch 207 is triggered, the circuit is connected.
  • the storage bin 100 is on top, and the first grinding head 10 and the second grinding head 50 are ground for grinding.
  • the trigger switch 207 By setting the trigger switch 207, during normal grinding, the trigger element 208 is located in the conduit under the action of gravity. The lower end of 206 (the lower end at this time is adjacent to the trigger switch 207 ), at this time, the trigger element 208 makes the trigger switch 207 connect to the circuit, and the driving mechanism 20 can rotate normally.
  • the catheter 206 and the trigger switch 207 are also turned upside down, that is, the trigger switch 207 is at the top, and the trigger element 208 is still at the bottom under the action of gravity.
  • the trigger switch 207 cannot be triggered, and the circuit is disconnected Therefore, even if the user accidentally touches the button at this time, the driving mechanism 20 will not be activated, so as to avoid injury to the user.
  • the trigger switch 207 is a Hall switch
  • the trigger element 208 is a magnet, specifically a small magnet.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

本发明公开一种研磨装置，包括第一磨头、驱动第一磨头绕旋转轴线旋转的驱动机构、与驱动机构固定连接并设有第一阻挡部的座体、装设在座体上并可沿旋转轴线方向移动的移动调节件、与第一磨头之间形成研磨间隙的第二磨头、设有与第一阻挡部配合限位的限位部的调节限位件；第二磨头可拆卸地固定在移动调节件上以使第二磨头可随移动调节件一起移动而调整研磨间隙；调节限位件与移动调节件可拆卸地固定连接以使得二者可以同时调整位置，从而带动限位部靠近或远离第一阻挡部；限位部向第一阻挡部靠近时，研磨间隙缩小；当限位部被第一阻挡部阻挡时，研磨间隙为最小值。本发明的研磨装置能够方便地将研磨装置的研磨间隙调整统一，用户体验感强。

Description

一种研磨装置 技术领域
本发明属于研磨装置领域，具体涉及一种研磨装置。
背景技术
随着国民经济的逐渐发展，人们对生活质量的要求越来越高，咖啡作为一种日常饮品已经进入了诸多普通家庭当中。咖啡的品质好坏关键在于咖啡豆的质量，但其实咖啡的口感还是取决于咖啡粉的新鲜程度。因为即使是品质上佳的咖啡豆，若磨成咖啡粉后放置一定时间，其质量也会出现一定的下降。基于此，越来越多的咖啡忠实爱好者更愿意自备咖啡豆研磨机，通过自行磨制咖啡豆以获取更加新鲜的咖啡粉。
中国专利申请(名称为：一种磨豆机构及磨豆装置；申请号：201720938653.3)公开了磨豆机构，其具有上磨轮和下磨轮，下磨轮安装在电机轴上，上磨轮通过螺纹安装在支架座上，上磨轮可以通过该螺纹来上下调整其与下磨轮之间的间隙，从而调整咖啡研磨的粗细程度。
但是发明人研究发现，这种设置方式虽然能够调整研磨时的粗细程度，但是在实际的生产装配中，由于装配误差的存在，电机轴安装后其往下伸出长度可能是不一致的，也就是说不同的磨豆机构将上磨轮调整至相同位置时研磨的间隙实际上可能是不相等的，这样会导致用户获得的使用体验差别较大，其可能认为生产厂家的品控出了问题，从而影响产品评价。但是，若是在生产时将每一台磨豆机构的装配进行调整至统一，则需要消耗较大的人力，大大增加了生产成本，降低了生产效率。
因此，需要一种新的技术以解决现有技术中研磨装置的研磨间隙调整不统一、影响产品评价的问题。
发明内容
为解决现有技术中的上述问题，本发明提供了一种研磨装置，其能够方便地将研磨装置的研磨间隙调整统一。
本发明采用了以下技术方案：
一种研磨装置，包括：
第一磨头；
驱动机构，具有与所述第一磨头可拆卸连接的输出轴，以用于驱动所述第一磨头绕旋转轴线旋转；
座体，与所述驱动机构固定连接，所述座体上设有第一阻挡部；
移动调节件，装设在所述座体上并可沿所述旋转轴线的方向调整位置；
第二磨头，与所述第一磨头之间形成研磨间隙；所述第二磨头可拆卸地固定在所述移动调节件上，以使所述第二磨头可随所述移动调节件一起调整位置而对所述研磨间隙的大小进行调整；
调节限位件，设有与所述第一阻挡部配合限位的限位部；所述调节限位件与所述移动调节件可拆卸地固定连接以使得二者可以同时调整位置，从而带动所述限位部靠近或远离所述第一阻挡部；所述限位部向所述第一阻挡部靠近时，所述研磨间隙缩小；当所述限位部被所述第一阻挡部阻挡时，所述研磨间隙为最小值。
作为本发明技术方案的进一步改进，所述座体沿所述旋转轴线的方向设有第一螺纹孔，所述移动调节件的一端为与所述第一螺纹孔相匹配的第一外螺纹段。
作为本发明技术方案的进一步改进，所述座体靠近所述研磨间隙的一端设有与所述第一螺纹孔同轴的圆周面，所述圆周面上设有供所述限位部移动的弧形活动槽，所述第一阻挡部位于所述弧形活动槽靠近所述研磨间隙的一端。
作为本发明技术方案的进一步改进，所述弧形活动槽的另一端设有第二阻挡部，所述限位部向所述第二阻挡部靠近时，所述研磨间隙扩大，以使得所述限位部被所述第二阻挡部阻挡时所述研磨间隙为最大值。
作为本发明技术方案的进一步改进，所述座体包括设有所述圆周面的圆柱端；
所述调节限位件包括环围所述圆周面以与所述圆柱端转动连接的侧环部、与所述侧环部远离所述座体的一端固定连接的端板部，所述限位部位于所述侧环部的与所述圆周面相对的一面上；所述端板部与所述移动调节件可拆卸地固定连接。
作为本发明技术方案的进一步改进，还包括限位固定件；
所述移动调节件还包括设于所述第一外螺纹段远离所述座体一端的限位凸边，所述限位固定件与所述端板部固定连接并将所述限位凸边夹紧固定在所述限位固定件与所述端板部之间。
作为本发明技术方案的进一步改进，所述限位凸边与所述限位固定件周向固定连接。
作为本发明技术方案的进一步改进，所述限位凸边远离所述座体的一面上设有与所述第一螺纹孔同轴的第一环形齿；所述限位固定件朝向所述限位凸边的一面上设有与所述第一环形齿配合的第二环形齿。
作为本发明技术方案的进一步改进，所述座体上环设有一圈调节刻度，所述调节限位件上设有与所述调节刻度相对应的指示标识。
作为本发明技术方案的进一步改进，还包括锁定机构，所述锁定机构包括：
设置在所述座体和所述调节限位件中的一个上的若干定位凹槽，各所述定位凹槽绕所述第一螺纹孔的轴线环向布置；
可伸缩地插设在所述座体和所述调节限位件中的另一个上的顶杆，所述顶杆可伸缩以插入或者脱离所述定位凹槽。
作为本发明技术方案的进一步改进，所述锁定机构还包括将所述顶杆往所述定位凹槽所在的方向推抵的弹性件，所述定位凹槽为球面凹槽，所述顶杆的插入所述定位凹槽的一端为与所述球面凹槽相适配的圆滑端部。
作为本发明技术方案的进一步改进，所述弹性件为套装在所述顶杆上的弹簧。
作为本发明技术方案的进一步改进，所述移动调节件设有容置槽，所述第二磨头固定在所述容置槽内。
作为本发明技术方案的进一步改进，所述容置槽的侧壁上设有凸出的旋转限位凸条，所述第二磨头上设有供所述限位凸条嵌入的旋转限位卡槽；
还包括有螺纹限位件，所述螺纹限位件与所述容置槽的槽口通过螺纹连接固定，以将所述第二磨头夹紧固定于所述容置槽内。
作为本发明技术方案的进一步改进，还包括将所述第一磨头、所述第二磨头包络以使所述第一磨头、所述第二磨头与外界分隔的罩体，所述罩体与所述螺纹限位件固定连接。
作为本发明技术方案的进一步改进，所述罩体与所述螺纹限位件一体成型。
作为本发明技术方案的进一步改进，所述罩体远离所述座体的一端设有出粉口。
作为本发明技术方案的进一步改进，所述罩体远离所述座体的一端设有导粉斜面，所述出粉口位于所述导粉斜面的下端。
作为本发明技术方案的进一步改进，还包括用于容置研磨原料的储料仓，所述储料仓设置在所述座体上，所述座体设有将所述储料仓与所述研磨间隙连通的送料通道。
作为本发明技术方案的进一步改进，所述储料仓的上端为入料口。
作为本发明技术方案的进一步改进，还包括用于封闭所述入料口的仓盖。
作为本发明技术方案的进一步改进，所述第一磨头为锥形研磨齿盘，所述第二磨头为与所述锥形研磨齿盘匹配的圆环形齿盘。
作为本发明技术方案的进一步改进，所述驱动机构为电机，所述研磨装置还包括用于控制所述电机启动和停止的控制装置、用于给所述电机和所述控制装置供电的供电部。
作为本发明技术方案的进一步改进，所述供电部包括蓄电池和用于给所述蓄电池充电的充电接口。
作为本发明技术方案的进一步改进，所述控制装置包括控制电路板和控制开关。
作为本发明技术方案的进一步改进，还包括纵向设置的导管、毗邻所述导管的下端设置的触发开关以及可上下活动地设置在所述导管内的触发元件；所述触发开关与所述控制电路板电连接，用于控制所述控制电路板的电路连通或断开；所述触发元件位于所述导管的毗邻所述触发开关的一端时，触发所述触发开关连通所述电路。
作为本发明技术方案的进一步改进，所述触发开关为霍尔开关，所述触发元件为磁体。
与现有技术相比，本发明的有益效果为：
本发明的研磨装置中，第二磨头通过移动调节件在座体上移动调节来实现对研磨间隙的调整，通过座体上的第一阻挡部阻挡调节限位件的限位部，从而对与调节限位件连接的移动调节件的调节范围进行限制。在这种结构设置下，本研磨装置在出厂装配时，安装好驱动机构和第一磨头后，可先调整移动调节件使研磨间隙调整到设定的最小值h，然后再将限位部抵住第一阻挡部并将调节限位件与移动调节件固定，连接好后，研磨间隙最小能够调整到h。换言之，本研磨装置在装配时能够通过调整调节限位件、移动调节件的位置确定研磨间隙的最小值，无需考虑驱动机构的安装误差，使得每一台调整后的研磨装置的最小研磨间隙是统一相等的，做到标准化，装配时效率更高，用户体验感强，有利于提高用户对产品的评价。
附图说明
下面结合附图和具体实施方式对本发明的技术作进一步地详细说明：
图1是本发明的研磨装置的剖视图；
图2是本发明的研磨装置的另一视角的剖视图；
图3是本发明的驱动机构的示意图；
图4是本发明的驱动机构的爆炸视图；
图5是本发明的座体的示意图；
图6是本发明的座体的爆炸视图；
图7是本发明的座体、移动调节件、调节限位件、限位固定件的装配爆炸视图；
图8是本发明的座体、移动调节件、调节限位件、限位固定件的另一视角的装配爆炸视图；
图9是本发明的座体、移动调节件、第一磨头、第二磨头、罩体的装配爆炸视图；
图10是本发明的研磨装置的整体爆炸视图；
图11是本发明的研磨装置的整体装配视图。
附图标记：
10-第一磨头；
20-驱动机构；201-输出轴；202-螺母；203-蓄电池；2031-充电接口；204-控制电路板；205-控制开关；206-导管；207-触发开关；208-触发元件；209-内壳；
30-座体；301-第一螺纹孔；302-圆周面；303-弧形活动槽；304-圆柱端；305-调节刻度；306-安装孔；307-送料通道；308-第一阻挡部；309-第二阻挡部；
40-移动调节件；401-第一外螺纹段；402-限位凸边；4021-第一环形齿；403-容置槽；4031-旋转限位凸条；404-螺纹限位件；
50-第二磨头；501-旋转限位卡槽；
60-调节限位件；601-限位部；602-侧环部；603-端板部；604-指示标识；
70-限位固定件；701-第二环形齿；
80-锁定机构；801-定位凹槽；802-顶杆；8021-圆滑端部；803-弹性件；
90-罩体；901-出粉口；902-导粉斜面；
100-储料仓；1001-入料口；1002-仓盖。
具体实施方式
以下将结合实施例和附图对本发明的构思、具体结构及产生的技术效果进行清楚、完整的描述，以充分地理解本发明的目的、方案和效果。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。附图中各处使用的相同的附图标记指示相同或相似的部分。
需要说明的是，如无特殊说明，当某一特征被称为“固定”、“连接”在另一个特征，它可以直接固定、连接在另一个特征上，也可以间接地固定、连接在另一个特征上。此外，本发明中所使用的上、下、左、右等描述仅仅是相对于附图中本发明各组成部分的相互位置关系来说的。
参照图1至图11，一种研磨装置，包括第一磨头10、驱动机构20、座体30、移动调节件40、第二磨头50和调节限位件60。
其中，参照图1至图4、图10，驱动机构20具有与所述第一磨头可拆卸连接的输出轴201，以用于驱动所述第一磨头10绕旋转轴线旋转。驱动机构20可以是手动摇杆，也可以是电机，通过一根输出轴201与第一磨头10可拆卸连接固定，以带动第一磨头10进行旋转。更具体的，输出轴201的末端为扁头且有螺纹，第一磨头10适配地套在扁头上与该输出轴 201实现周向固定，然后通过螺母202将第一磨头10拧紧固定在输出轴201的末端。
参照图1、图5和图6，座体30与所述驱动机构20固定连接，用来固定驱动机构20，此外，还用来安装第二磨头50。座体30上设有通孔以供驱动机构20的输出轴201伸出。如图7所示，所述座体30上设有第一阻挡部308。
参照图1、图7，移动调节件40装设在所述座体30上并可沿所述旋转轴线的方向调整位置；第二磨头50与所述第一磨头10之间形成研磨间隙，所述第二磨头50可拆卸地固定在所述移动调节件40上，以使所述第二磨头50可随所述移动调节件40一起调整位置而对所述研磨间隙的大小进行调整。即通过调整移动调节件40在座体30上的位置，可以调节第二磨头50的位置，从而调整研磨间隙的大小。研磨间隙可以将进入其间的待研磨料研磨成细小的粉末，粉末具体的粗细根据研磨间隙的大小来确定。这里所说的待研磨料可以是咖啡豆。
参照图1、图7和图8，调节限位件60设有与所述第一阻挡部配合限位的限位部601；所述调节限位件60与所述移动调节件40可拆卸地固定连接以使得二者可以同时调整位置，从而带动所述限位部601靠近或远离所述第一阻挡部308。所述限位部601向所述第一阻挡部308靠近时，所述研磨间隙缩小；当所述限位部601被所述第一阻挡部308阻挡时，所述研磨间隙为最小值。换言之，当研磨间隙调大时，第一阻挡部308不会挡到限位部601的移动，当研磨间隙由大调小时，限位部601会不断地靠近第一阻挡部308，直至限位部601与第一阻挡部308接触，此时限位部601被挡住无法继续移动，研磨间隙达到最小值。
基于上述的结构，本发明的研磨装置中，第二磨头50通过移动调节件40在座体30上移动调节来实现对研磨间隙的调整，通过座体30的第一阻挡部308阻挡调节限位件60的限位部601，从而对与调节限位件60连接的移动调节件40的调节范围进行限制。在这种结构设置下，本研磨装置在出厂装配时，安装好驱动机构20和第一磨头10后，可先调整移动调节件40使研磨间隙调整到设定的最小值h，然后再将限位部601抵住第一阻挡部308并将调节限位件60与移动调节件40固定，连接好后，本研磨装置的研磨间隙最小能够调整到h。换言之，本研磨装置在装配时能够通过调整调节限位件60、移动调节件40的位置确定研磨间隙的最小值，无需考虑驱动机构20的安装误差，使得每一台调整后的研磨装置的最小研磨间隙是统一相等的，做到标准化，装配时效率更高。此外，在本发明中，第一磨头10、第二磨头50均为独立可拆卸或固定，方便产品清洁，保证了产品的清洁度。
具体地，参照图1、图5和图6，所述座体30沿所述旋转轴线的方向设有第一螺纹孔301，所述移动调节件40的一端为与所述第一螺纹孔301相匹配的第一外螺纹段401。即通过螺纹调节的方式来实现移动调节件40在座体30上的位置调整，从而带动第二磨头50以调节研磨间隙。优选地，第一螺纹孔301与旋转轴线同轴设置。
参照图7，由于移动调节件40与座体30采用螺纹配合的方式实现位置调节，因此移动调节件40调节移动时是旋转的，这就使得调节限位件60也会跟着旋转，换言之，限位部601移动时的轨迹也是转动的，基于这一点，第一阻挡部308应该位于该限位部601的弧形的移动轨迹上。具体地，所述座体30靠近所述研磨间隙的一端设有与所述第一螺纹孔301同轴的圆周面302，所述圆周面302上设有供所述限位部601随所述移动调节件40的移动的弧形活动槽303，以适应该弧形的移动轨迹，所述第一阻挡部308位于所述弧形活动槽303靠近所述研磨间隙的一端，当限位部601向第一磨头10移动时，即是在缩小研磨间隙，其移动到弧形活动槽303的末端被第一阻挡部308挡住后，达到最小研磨间隙。在本发明中，限位部601具体是一个凸起的小凸块，第一阻挡部308具体是弧形活动槽303末端的槽壁。
所述弧形活动槽303的另一端设有第二阻挡部309，所述限位部601向所述第二阻挡部309靠近时，所述研磨间隙扩大，以使得所述限位部601被所述第二阻挡部309阻挡时所述研磨间隙为最大值。即限位部601在弧形活动槽303内移动时会调整研磨间隙，向第一阻挡部308靠近时研磨间隙缩小，向第二阻挡部309靠近时，研磨间隙增大。基于此，本发明所述的研磨装置的研磨间隙的调节范围得以限定且明确。
具体地，参照图7和图8，所述座体30包括设有所述圆周面302的圆柱端304；所述调节限位件60包括环围所述圆周面302以与所述圆柱端304转动连接的侧环部602、与所述侧环部602远离所述座体30的一端固定连接的端板部603，所述限位部601位于所述侧环部602与所述圆周面302相对的一面上；所述端板部603与所述移动调节件40可拆卸地固定连接。即调节限位件60是呈环状的，套装在座体30的圆柱端304上，通过整体转动调节限位件60即可实现限位部601相对于第一阻挡部308的移动，从而带动移动调节件40、第二磨头50来调整研磨间隙。
为了实现移动调节件40与调节限位件60的可拆卸连接，参照图7和图8，本发明的研磨装置还包括限位固定件70，所述移动调节件40还包括设于所述第一外螺纹段401远离所述座体30一端的限位凸边402，所述限位固定件70与所述端板部603固定连接并将所述限位凸边402夹紧固定在所述限位固定件70与所述端板部603之间。采用夹紧固定的方式，可以使得在一开始装配需调整移动调节件40在座体30上的位置来改变研磨间隙时，不影响将来移动调节件40与调节限位件60的连接，即无论移动调节件40转动到哪一个位置，此时调节限位件60无需与其一起移动，当调整好研磨间隙到了预定的最小间隙时，将调节限位件60转动到限位部601与第一阻挡部308抵接，再用限位固定件70配合调节限位件60将移动调节件40的限位凸边402夹紧固定(限位凸边402是一圈，无论其转到哪个角度，都可以夹紧)，实现最小研磨间隙的确定。
为了保证夹紧后移动调节件40与调节限位件60之间不相对转动而影响研磨间隙，所述限位凸边402与所述限位固定件70周向固定连接。具体地，参照图7和图8，所述限位凸边402远离所述座体30的一面上设有与所述第一螺纹孔301同轴的第一环形齿4021；所述限位固定件70朝向所述限位凸边402的一面上设有与所述第一环形齿4021配合的第二环形齿701。即通过第一环形齿4021和第二环形齿701的咬合限位来实现周向固定，避免移动调节件40与调节限位件60相对转动。采用第一环形齿4021和第二环形齿701进行配合限位，可使得移动调节件40与调节限位件60可在任意错开角度时进行固定，从而保证在一开始装配时可以随意调整移动调节件40的位置，调整好后可与调节限位件60进行限位固定，无需考虑固定的对位。
作为本发明优选的实施方式，参照图3，所述座体30环设有一圈调节刻度305，参照图7，所述调节限位件60上设有与所述调节刻度305相对应的指示标识604，即用户在进行研磨间隙调节时可以通过指示标识604和调节刻度305来进行判断，确定自己的调节量。优选地，座体30是透明的，调节刻度305也可以设置在驱动机构20上，透过座体30便可看到调节刻度305。
在调整研磨间隙达到需要的大小时，研磨的过程中，需要将该研磨间隙保持不变，避免研磨的过程中由于研磨产生的作用力带动第二磨头50、移动调节件40移动而改变研磨间隙，从而导致研磨的颗粒粗细不均匀。基于此，本发明的研磨装置还包括锁定机构80，参照图6和图8，所述锁定机构80包括设置在所述座体30和所述调节限位件60中的一个上的若干定位凹槽801，各所述定位凹槽801绕所述第一螺纹孔301的轴线环向布置；还包括可伸缩地插设在所述座体30和所述调节限位件60中的另一个上的顶杆802，所述顶杆802可伸缩以插入或脱离所述定位凹槽801。
在其中的一个实施例中，顶杆802设置在座体30上，座体30上设有供顶杆802插入并伸缩的安装孔306，各定位凹槽801设置在调节限位件60上，当需要进行研磨间隙的调节时，先将顶杆802缩回安装孔306使顶杆802脱出定位凹槽801，此时调节限位件60可以进行转动，并带动移动调节件40、第二磨头50一起转动，当研磨间隙达到需求的大小时，再将顶杆802伸出，插入当前与其对应的定位凹槽801内。插入后，调节限位件60与座体30相对固定，无法继续转动，从而实现了研磨间隙的稳定，不再变化。再次需要调节时，需再一次将顶杆802脱出定位凹槽801。
在另外的一个实施例中，顶杆802设置在调节限位件60上，调节限位件60上设有供顶杆802插入并伸缩的安装孔306，各定位凹槽801设置在座体30上，当需要进行研磨间隙的调节时，先将顶杆802缩回安装孔306使顶杆802脱出定位凹槽801，此时调节限位件60可 以进行转动，并带动移动调节件40、第二磨头50一起转动，当研磨间隙达到需求的大小时，再将顶杆802伸出，插入当前与其对应的定位凹槽801内，插入后，调节限位件60与座体30相对固定，无法继续转动，从而实现了研磨间隙的稳定，不再变化。再次需要调节时，需再一次将顶杆802脱出定位凹槽801。
优选地，参照图6和图8，锁定机构80还包括将所述顶杆802往所述定位凹槽801所在的方向推抵的弹性件803，所述定位凹槽801为球面凹槽，所述顶杆802的插入所述定位凹槽801的一端为与所述球面凹槽相适配的圆滑端部8021。弹性件803具体位于上述供顶杆802伸缩的安装孔306内，一端抵着安装孔306的底部，顶杆802上设有一圈凸起的环，弹性件803的另一端抵在该凸起的环上，保持将顶杆802外推的趋势。其中，所述弹性件803为套装在所述顶杆802上的弹簧，也可以是在该安装孔306内的弹性胶垫。顶杆802的圆滑端部8021和球面凹槽的设置，可使得当调节限位件60受到转动的扭力时，球面凹槽通过球面可以更加容易克服弹性件803的弹力将顶杆802下压使顶杆802的圆滑端部8021脱出球面凹槽，脱出后即可转动调节限位件60改变研磨间隙；当调节限位件60转动到了另一个球面凹槽时，顶杆802在弹性件803弹力的作用下又插入该球面凹槽内以实现固定，若此时研磨间隙还未达到要求时，可继续转动，使顶杆802再次脱出球面凹槽，继续调节研磨间隙。在这种设计下，用户只需要扭动调节限位件60，即可很容易地对研磨间隙进行调节，而调节后顶杆802在弹性件803的作用下可自动对调节限位件60进行固定，确保研磨间隙不会再改变，更加方便。
以下对第二磨头50与移动调节件40的连接方式进行讲解：参照图7和图9，所述移动调节件40设有容置槽403，所述第二磨头50固定在所述容置槽403内。第二磨头50固定在容置槽403内后，就可以与移动调节件40一起移动来改变其与第一磨头10之间的间隙，从而改变研磨间隙。具体地，移动调节件40也设有通孔以供驱动机构20的输出轴201穿过，第二磨头50同样设有通孔以供该输出轴201穿过。
在其中的一个实施例中，参照图9，所述容置槽403的侧壁上设有凸出的旋转限位凸条4031，所述第二磨头50上设有供所述限位凸条嵌入的旋转限位卡槽501；
该研磨装置还包括有螺纹限位件404，螺纹限位件404与所述容置槽403的槽口通过螺纹连接固定，以将所述第二磨头50夹紧固定于所述容置槽内。通过旋转限位凸条4031与旋转限位卡槽501的配合来实现第二磨头50与移动调节件40之间的周向固定，使得移动调节件40转动时，第二磨头50随移动调节件40一起旋转；再通过螺纹限位件404与容置槽403的槽底将第二磨头50与移动调节件40沿轴线的方向进行限位，使第二磨头50与移动调节件40在轴向上得以固定。具体地，容置槽403的内壁在远离槽底的一端设有内螺纹，螺纹限位 件404呈环形，其外周面上设有外螺纹，通过内螺纹和外螺纹配合固定，将第二磨头50固定在容置槽403内。
优选地，参照图1、图2和图9至图11，本发明的研磨装置还包括将所述第一磨头10、所述第二磨头50包络以使所述第一磨头10、所述第二磨头50与外界分隔的罩体90，以防止在研磨过程中造成人员受伤的情形。其中，所述罩体90可以与座体30固定连接，也可以与所述螺纹限位件404固定连接。优先地，罩体90与所述螺纹限位件404固定连接。更优选地，所述罩体90与所述螺纹限位件404一体成型，这样的话，当将第二磨头50夹固好时，罩体90也已安装完成。
参照图1、图2和图9至图11，在本发明中，第一磨头10和第二磨头50在进行研磨时都位于座体30的下方，因此，罩体90也位于座体30的下方以将两个磨头罩住，所述罩体90远离所述座体30的一端设有出粉口901，即罩体90的底部有出粉口901，研磨后产生的粉末在重力的作用下掉落，最终从出粉口901内排出，用户可以在出粉口901的下方放置一个杯子以接收掉落的粉末。换言之，罩体90除了保护作用以外，还能够起到收集粉末的作用，避免粉末飞扬。
更进一步地，参照图1、图2和图9至图11，所述罩体90远离所述座体30的一端设有导粉斜面902，所述出粉口901位于所述导粉斜面902的下端。导粉斜面902是倾斜的，当粉末落下在导粉斜面902上，会顺着导粉斜面902下滑，最终由导粉斜面902下方的出粉口901排出。即导粉斜面902进一步起到了收集粉末的效果，便于粉末的排出，避免粉末积累在罩体90内，难以清洗。
此外，本发明的研磨装置还包括用于容置研磨原料的储料仓100，参照图1、图6、图8和图10，所述储料仓100设置在所述座体30上，在研磨过程中，储料仓100位于所述研磨间隙的上方，所述座体30设有将所述储料仓100与所述研磨间隙连通的送料通道307。研磨原料可以是咖啡豆或者其它需要研磨的材料。研磨原料装在储料仓100内，在进行研磨时，研磨原料在重力的作用下顺着送料通道307进入研磨间隙中，无需人为送进。
具体地，参照图1、图6、图8和图10，所述储料仓100的上端为入料口1001，储料仓100还包括用于封闭所述入料口1001的仓盖1002，避免外界的异物进入储料仓100内。在本发明中，储料仓100和座体30固定在一起，优选为两者连接形成一体。
第一磨头10和第二磨头50一上一下设置，第一磨头10可位于第二磨头50的上方，也可以设置在第二磨头50的下方，具体根据第一磨头10和第二磨头50的具体形式来设置。在本发明中，参照图1、图2、图9至图11，优选地，所述第一磨头10为锥形研磨齿盘，所述第二磨头50为与所述锥形研磨齿盘匹配的圆环形齿盘，驱动机构20的输出轴201穿过第二 磨头50，第一磨头10位于输出轴201的末端，在进行研磨时，第一磨头10位于第二磨头50的下方。
在其中一个实施例中，所述驱动机构20为电机，本研磨装置还包括用于控制所述电机启动和停止的控制装置、用于给所述电机和所述控制装置供电的供电部。通过控制装置来控制电机的工作状态进而控制研磨的启动和停止。具体地，所述供电部包括蓄电池203和用于给所述蓄电池203充电的充电接口2031，蓄电池203可以为可充电的锂电池。设置了蓄电池203可以方便便携本研磨装置，无需考虑使用的地方是否有电源，通过充电接口2031可以给蓄电池203充电。所述控制装置包括控制电路板204和控制开关205，控制开关205可以设置在储料仓100的外表面上，其设置成按钮式，用户通过按压该按钮来启动电机或关闭电机。此外，设有一个内壳209以将驱动机构20、控制电路板204和蓄电池203整体包覆，然后安装在储料仓100内，内壳209的上端为斜面，便于储料仓100内的咖啡豆滑落。
本发明的第一磨头10、第二磨头50都是独立可拆卸的，由于本发明的电机是通过按钮控制的，因此在拆卸的过程中存在按压到该按钮启动研磨而造成用户受伤的可能性。为了避免这一情况，参照图4和图10，驱动机构还包括纵向设置的导管206、毗邻所述导管206的下端设置的触发开关207以及可上下活动地设置在所述导管206内的触发元件208；所述触发开关207与所述控制电路板204电连接，用于控制所述控制电路板204的电路连通或断开；所述触发元件208位于所述导管206的毗邻所述触发开关207的一端时，触发所述触发开关207连通所述电路。
本发明中，研磨时是储料仓100在上，第一磨头10、第二磨头50在下进行研磨，通过设置这个触发开关207，正常研磨时，触发元件208在重力的作用下位于导管206的下端(此时的下端与触发开关207相毗邻)，此时触发元件208使得触发开关207连通电路，驱动机构20能够正常转动。当用户对第一磨头10或第二磨头50进行拆卸时，为了方便拆卸，会将整个研磨装置翻过来，此时第一磨头10、第二磨头50在上，储料仓100在下，自然地，导管206、触发开关207也都倒了过来，即此时触发开关207在上，而触发元件208在重力的作用下依然在下，此时无法触发到触发开关207，电路不连通，因此，即使用户这个时候误触到按钮，也不会启动驱动机构20，避免造成用户受伤。具体地，所述触发开关207为霍尔开关，所述触发元件208为磁体，具体是小磁铁。
本发明所述的研磨装置的其它内容参见现有技术，在此不再赘述。
以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，故凡是未脱离本发明技术方案内容，依据本发明的技术实质对以上实施例所作的任何修改、等同变化与修饰，均仍属于本发明技术方案的范围内。

Claims (27)

  1. 一种研磨装置，其特征在于，包括：
    第一磨头；
    驱动机构，具有与所述第一磨头可拆卸连接的输出轴，以用于驱动所述第一磨头绕旋转轴线旋转；
    座体，与所述驱动机构固定连接，所述座体上设有第一阻挡部；
    移动调节件，装设在所述座体上并可沿所述旋转轴线的方向调整位置；
    第二磨头，与所述第一磨头之间形成研磨间隙；所述第二磨头可拆卸地固定在所述移动调节件上，以使所述第二磨头可随所述移动调节件一起调整位置而对所述研磨间隙的大小进行调整；
    调节限位件，设有与所述第一阻挡部配合限位的限位部；所述调节限位件与所述移动调节件可拆卸地固定连接以使得二者可以同时调整位置，从而带动所述限位部靠近或远离所述第一阻挡部；所述限位部向所述第一阻挡部靠近时，所述研磨间隙缩小；当所述限位部被所述第一阻挡部阻挡时，所述研磨间隙为最小值。
  2. 根据权利要求1所述的研磨装置，其特征在于：所述座体沿所述旋转轴线的方向设有第一螺纹孔，所述移动调节件的一端为与所述第一螺纹孔相匹配的第一外螺纹段。
  3. 根据权利要求2所述的研磨装置，其特征在于：所述座体靠近所述研磨间隙的一端设有与所述第一螺纹孔同轴的圆周面，所述圆周面上设有供所述限位部移动的弧形活动槽，所述第一阻挡部位于所述弧形活动槽靠近所述研磨间隙的一端。
  4. 根据权利要求3所述的研磨装置，其特征在于：所述弧形活动槽的另一端设有第二阻挡部，所述限位部向所述第二阻挡部靠近时，所述研磨间隙扩大，以使得所述限位部被所述第二阻挡部阻挡时所述研磨间隙为最大值。
  5. 根据权利要求3所述的研磨装置，其特征在于：所述座体包括设有所述圆周面的圆柱端；
    所述调节限位件包括环围所述圆周面以与所述圆柱端转动连接的侧环部、与所述侧环部远离所述座体的一端固定连接的端板部，所述限位部位于所述侧环部的与所述圆周面相对的一面上；所述端板部与所述移动调节件可拆卸地固定连接。
  6. 根据权利要求5所述的研磨装置，其特征在于：还包括限位固定件；
    所述移动调节件还包括设于所述第一外螺纹段远离所述座体一端的限位凸边，所述限位固定件与所述端板部固定连接并将所述限位凸边夹紧固定在所述限位固定件与所述端板部之 间。
  7. 根据权利要求6所述的研磨装置，其特征在于：所述限位凸边与所述限位固定件周向固定连接。
  8. 根据权利要求7所述的研磨装置，其特征在于：所述限位凸边远离所述座体的一面上设有与所述第一螺纹孔同轴的第一环形齿；所述限位固定件朝向所述限位凸边的一面上设有与所述第一环形齿配合的第二环形齿。
  9. 根据权利要求2所述的研磨装置，其特征在于：所述座体上环设有一圈调节刻度，所述调节限位件上设有与所述调节刻度相对应的指示标识。
  10. 根据权利要求2所述的研磨装置，其特征在于：还包括锁定机构，所述锁定机构包括：
    设置在所述座体和所述调节限位件中的一个上的若干定位凹槽，各所述定位凹槽绕所述第一螺纹孔的轴线环向布置；
    可伸缩地插设在所述座体和所述调节限位件中的另一个上的顶杆，所述顶杆可伸缩以插入或者脱离所述定位凹槽。
  11. 根据权利要求10所述的研磨装置，其特征在于：所述锁定机构还包括将所述顶杆往所述定位凹槽所在的方向推抵的弹性件，所述定位凹槽为球面凹槽，所述顶杆的插入所述定位凹槽的一端为与所述球面凹槽相适配的圆滑端部。
  12. 根据权利要求11所述的研磨装置，其特征在于：所述弹性件为套装在所述顶杆上的弹簧。
  13. 根据权利要求1所述的研磨装置，其特征在于：所述移动调节件设有容置槽，所述第二磨头固定在所述容置槽内。
  14. 根据权利要求13所述的研磨装置，其特征在于：所述容置槽的侧壁上设有凸出的旋转限位凸条，所述第二磨头上设有供所述限位凸条嵌入的旋转限位卡槽；
    还包括有螺纹限位件，所述螺纹限位件与所述容置槽的槽口通过螺纹连接固定，以将所述第二磨头夹紧固定于所述容置槽内。
  15. 根据权利要求14所述的研磨装置，其特征在于：还包括将所述第一磨头、所述第二磨头包络以使所述第一磨头、所述第二磨头与外界分隔的罩体，所述罩体与所述螺纹限位件固定连接。
  16. 根据权利要求15所述的研磨装置，其特征在于：所述罩体与所述螺纹限位件一体成型。
  17. 根据权利要求15所述的研磨装置，其特征在于：所述罩体远离所述座体的一端设有出粉口。
  18. 根据权利要求17所述的研磨装置，其特征在于：所述罩体远离所述座体的一端设有导粉斜面，所述出粉口位于所述导粉斜面的下端。
  19. 根据权利要求1所述的研磨装置，其特征在于：还包括用于容置研磨原料的储料仓，所述储料仓设置在所述座体上，所述座体设有将所述储料仓与所述研磨间隙连通的送料通道。
  20. 根据权利要求19所述的研磨装置，其特征在于：所述储料仓的上端为入料口。
  21. 根据权利要求20所述的研磨装置，其特征在于：还包括用于封闭所述入料口的仓盖。
  22. 根据权利要求1所述的研磨装置，其特征在于：所述第一磨头为锥形研磨齿盘，所述第二磨头为与所述锥形研磨齿盘匹配的圆环形齿盘。
  23. 根据权利要求1-22中任一项所述的研磨装置，其特征在于：所述驱动机构为电机，所述研磨装置还包括用于控制所述电机启动和停止的控制装置、用于给所述电机和所述控制装置供电的供电部。
  24. 根据权利要求23所述的研磨装置，其特征在于：所述供电部包括蓄电池和用于给所述蓄电池充电的充电接口。
  25. 根据权利要求23所述的研磨装置，其特征在于：所述控制装置包括控制电路板和控制开关。
  26. 根据权利要求25所述的研磨装置，其特征在于：还包括纵向设置的导管、毗邻所述导管的下端设置的触发开关以及可上下活动地设置在所述导管内的触发元件；所述触发开关与所述控制电路板电连接，用于控制所述控制电路板的电路连通或断开；所述触发元件位于所述导管的毗邻所述触发开关的一端时，触发所述触发开关连通所述电路。
  27. 根据权利要求26所述的研磨装置，其特征在于：所述触发开关为霍尔开关，所述触发元件为磁体。
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