CN208463790U - A kind of speed adjustment system of bean milling device - Google Patents
A kind of speed adjustment system of bean milling device Download PDFInfo
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- CN208463790U CN208463790U CN201721322236.2U CN201721322236U CN208463790U CN 208463790 U CN208463790 U CN 208463790U CN 201721322236 U CN201721322236 U CN 201721322236U CN 208463790 U CN208463790 U CN 208463790U
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Abstract
The utility model relates to bean milling machine technical fields, refer in particular to a kind of speed adjustment system of bean milling device, the bean milling device includes emery wheel group, toothed disc and motor, the motor driven emery wheel group rotation mill beans, the toothed disc switches between the mill thick shelves of beans and thin shelves for adjusting the emery wheel group, the regulating system includes adjustment gear, potentiometer and controller, the adjustment gear is engaged with the toothed disc, and the adjustment gear and potentiometer transmission cooperate, the potentiometer is connected to the input terminal of the controller, the output end of the controller is connected to the control terminal of the motor.The utility model can automatically adjust motor speed according to milling gear, and powder outlet quantity is opposite when making to grind coarse powder tails off, and in pulverized powder, powder outlet quantity becomes more relatively, while can also avoid motor load excessive the problem of being easy impaired and milling device stall.
Description
Technical field
The utility model relates to bean milling machine technical fields, refer in particular to a kind of speed adjustment system of bean milling device.
Background technique
It is used currently, developing in the industry for common people, coffee bean grinding is carried out at powder and with leak through type boiling punching
The coffee machine of bubble is rather diversified on group volume morphing, and the coffee machine of these difference group body forms is to carry out powder to coffee bean
When the grinding of end, different selections can be done according to personal favorite grinding fineness degree difference, then carry out next step again by boiling
Boiling hot boiled water brews coffee powder with leak through type.Consumer will select difference to the different grinding fineness degree of selection
The coffee machine of group volume morphing is very inconvenient.Therefore, China Patent Publication No. is that CN2717348 proposes a kind of full-automatic coffee
Coffee machine is carrying out the adjusting of coffee bean grinding powder thickness providing the coffee machine for being assembled with power motor and transmission gear group, by
The shaft section extended upward by interior abrasive article goes out through pipeline section among stacker, and smaller diameter bearing end can be cut by upper end one and is matched
It closes and adjusts its guiding piece centre bore fitting of component, and come and interior abrasive article central axis by the solid component for being inserted in washer therebetween
The screw hole that rod segment upper end has makees orientation rotation and is locked into one, and locks guiding piece side periphery making urgent rotation with driving lever threaded one end section
Screw hole make steadily to combine, be to allow accommodating carry out activity in the recessed breach scope of hopper topside periphery on the outside of the driving lever
Displacement；To drive interior abrasive article to carry out oscilaltion together by guiding piece, it is able to make with the grinding backlash of outer grinding part
Correspondingly sized adjusting, with the coffee powder to coffee bean grinding at default fineness degree.Above-mentioned milling device, due to turning for motor
Speed is constant, therefore in pulverized powder, motor load is larger, is easy motor impaired, and there are stalls for milling device
Hidden danger, while powder outlet quantity is few；And when grinding coarse powder, machine loading is smaller, and powder outlet quantity is larger.In the program, milling device goes out
Powder amount can change with milling gear, and the powder outlet quantity in the unit time cannot match with demand of the coffee machine to ground coffee,
The problem of it is easy to be impaired that there is also motors simultaneously, and milling device is easy stall.
Utility model content
The purpose of this utility model is the speed adjustment system for proposing a kind of bean milling device, can be automatic according to milling gear
Motor speed is adjusted, powder outlet quantity is opposite when making to grind coarse powder tails off, and the opposite change of powder outlet quantity is more in pulverized powder, while can also keep away
Exempt from motor load excessive the problem of being easy impaired and milling device stall.
In order to achieve the above object, the technical solution adopted in the utility model is as follows: a kind of rotational speed regulation of bean milling device
System, the bean milling device include emery wheel group, toothed disc and motor, the motor driven emery wheel group rotation mill beans, the gear
Disk switches between the mill thick shelves of beans and thin shelves for adjusting the emery wheel group, which is characterized in that the regulating system includes adjusting
Gear, potentiometer and controller, the adjustment gear are engaged with the toothed disc, and the adjustment gear and the potentiometer
Transmission cooperation, the potentiometer are connected to the input terminal of the controller, and the output end of the controller is connected to the motor
Control terminal.The utility model can automatically adjust motor speed according to milling gear, and powder outlet quantity is opposite when making to grind coarse powder tails off,
And in pulverized powder, the opposite change of powder outlet quantity is more, while the excessive easy impaired and milling device of motor load can also be avoided stifled
The problem of turning.
According to above scheme, the adjustment gear includes shaft, the first fluted disc and the second fluted disc, first fluted disc and
Two fluted discs are installed in the shaft side by side and rotate synchronously；First fluted disc is engaged with the toothed disc, second tooth
Disk and potentiometer transmission cooperate.It, can be when adjusting milling gear by this structure of adjustment gear, same to step
The input voltage of motor is saved to change the revolving speed of motor, makes motor speed and milling gear more intelligent Matching.
According to above scheme, the toothed disc and first fluted disc are driven using the cooperation of taper tooth form.Using conical tooth
Transmission cooperation, the transmission between the toothed disc and the first fluted disc is more labor-saving, and drive mechanism is more reliable, while can be with
Reduce the occupied space of transmission mechanism.
According to above scheme, the potentiometer is equipped with driving cog, and second fluted disc is meshed with the driving cog.Electricity
Position device is engaged by driving cog with the second fluted disc, and so that gear is adjusted running can more accurately be got by potentiometer, so that control
Device can adjust the revolving speed of motor in which adjust accurate information according to gear.
According to above scheme, the potentiometer is installed by bracket and is fixed.Potentiometer is fixedly connected by bracket, makes electricity
Driving cog and the second fluted disc on the device of position are able to maintain under reliable and stable meshing state, obtain potentiometer accurately always
It wins the confidence breath.
According to above scheme, one end of the shaft is connected with knob.Shaft is operated by knob, is carrying out user
Gear is more labor-saving when adjusting also to be more convenient.
According to above scheme, the potentiometer is used to detect the mill beans gear information of the emery wheel group, and the controller connects
It receives the mill beans gear information and changes the input voltage of the motor accordingly.Controller is believed according to the gear that potentiometer is got
Breath is in linkage adjusted the input voltage of motor, and the revolving speed of motor is made to match with gear, no matter grinding coarse powder or levigate
The case where powder can guarantee motor load equilibrium, not have stall generation.
According to above scheme, the mill beans gear information of the emery wheel group and the input voltage of the motor are linear function pass
System.Linear function is used between the gear of emery wheel group and the revolving speed of the gear and motor of the input voltage of motor namely emery wheel group
Relationship makes the linear change of gear drive the linear change of motor speed, and the matching between such gear and revolving speed is finer, mill
Powder effect is outstanding.
The speed adjustment system of the bean milling device of the utility model, the toothed disc adjusted by being used for gear in emery wheel group
On, transmission is with an adjustment gear is unified, so that the gear adjusting more convenient operation of emery wheel group is laborsaving, and in the adjustment gear first line of a couplet
It is configured with potentiometer dynamicly, make the adjusting running of adjustment gear can be complete and is accurately got by potentiometer, controls in this way
Device can adjust running according to the gear that potentiometer is got to regulate and control being raised and lowered for the input voltage of motor, so that electric
The revolving speed of machine changes according to the variation of gear, and when gear is adjusted to the thick shelves of mill coarse powder, the revolving speed of motor can follow gear
Adjustment process is gradually reduced, and reaches relatively low revolving speed to be milled, to reduce powder outlet quantity, and in gear to the thin shelves of pulverized powder
When adjusting, the revolving speed of motor can follow gear adjustment process to be gradually increasing, and improve the output power of motor, while increasing powder out
Amount, avoids the problem that motor rotation blockage, while can also motor be made to be not damaged.
Detailed description of the invention
Fig. 1 is the structural decomposition diagram of the utility model.
In figure: 1, emery wheel group；2, toothed disc；3, motor；4, adjustment gear；5, potentiometer；6, controller；7, shaft；8,
First fluted disc；9, the second fluted disc；10, driving cog；11, bracket；12, knob.
Specific embodiment
The technical solution of the utility model is illustrated with embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of speed adjustment system of bean milling device described in the utility model, the bean milling device include
Emery wheel group 1, toothed disc 2 and motor 3, the motor 3 drive the rotation mill beans of emery wheel group 1, and the toothed disc 2 is for adjusting the mill
Wheel group 1 switches between the mill thick shelves of beans and thin shelves, which is characterized in that the regulating system includes adjustment gear 4,5 and of potentiometer
Controller 6, the adjustment gear 4 are engaged with the toothed disc 2, and the adjustment gear 4 is matched with the potentiometer 5 transmission
It closes, the potentiometer 5 is connected to the input terminal of the controller 6, and the output end of the controller 6 is connected to the motor 3
Control terminal.The speed adjustment system of the bean milling device of the utility model, the toothed disc adjusted by being used for gear in emery wheel group 1
On 2, transmission is with an adjustment gear 4 is unified, so that the gear adjusting more convenient operation of emery wheel group 1 is laborsaving, and in adjustment gear 4
On be configured with potentiometer 5 in linkage, operate the adjusting of adjustment gear 4 and can be complete and be accurately got by potentiometer 5, this
The gear that sample controller 6 can be got according to potentiometer 5 adjusts running to regulate and control the raising or drop of the input voltage of motor 3
It is low, so that the revolving speed of motor 3 changes according to the variation of gear, when gear is adjusted to the thick shelves of mill coarse powder, the revolving speed of motor 3
Gear adjustment process can be followed to be gradually reduced, reach relatively low revolving speed to be milled, to reduce powder outlet quantity, and in gear to mill
When the thin shelves of fine powder are adjusted, the revolving speed of motor 3 can follow gear adjustment process to be gradually increasing, and improve the output power of motor 3, together
Shi Zengjia powder outlet quantity avoids the problem that 3 stall of motor, while also motor 3 can be made to be not damaged.
Specifically, as shown in Figure 1, the adjustment gear 4 include shaft 7, the first fluted disc 8 and the second fluted disc 9, described first
Fluted disc 8 and the second fluted disc 9 are installed in the shaft 7 side by side and rotate synchronously；First fluted disc 8 is nibbled with the toothed disc 2
It closes, second fluted disc 9 cooperates with the potentiometer 5 transmission.By this structure of adjustment gear 4, can be milled adjusting
When gear, the input voltage of motor 3 is adjusted in synchronism to change the revolving speed of motor 3, makes 3 revolving speed of motor and milling gear more
Intelligent Matching.
The toothed disc 2 is driven with first fluted disc 8 using the cooperation of taper tooth form.Cooperated using the transmission of conical tooth,
Keep the transmission between secret toothed disc 2 and the first fluted disc 8 more labor-saving, and drive mechanism is more reliable, while transmission can also be reduced
The occupied space of mechanism.
The potentiometer 5 is equipped with driving cog 10, and second fluted disc 9 is meshed with the driving cog 10.Potentiometer 5 is logical
It crosses driving cog 10 to engage with the second fluted disc 9, making gear adjust running can more accurately be got by potentiometer 5, so that controller 6
The revolving speed of motor 3 can be adjusted according to gear with adjusting accurate information.
The potentiometer 5 is fixed by the installation of bracket 11.Potentiometer 5 is fixedly connected by bracket 11, is made on potentiometer 5
Driving cog 10 and the second fluted disc 9 be able to maintain under reliable and stable meshing state, obtain potentiometer 5 accurately always
Information.
One end of the shaft 7 is connected with knob 12.Shaft 7 is operated by knob 12, and user is made to carry out gear tune
It is more labor-saving when section to be also more convenient.
The potentiometer 5 is used to detect the mill beans gear information of the emery wheel group 1, and the controller 6 receives the mill beans
Gear information and the input voltage for changing the motor 3 accordingly.Controller 6 links according to the gear information that potentiometer 5 is got
The input voltage of motor 3 is adjusted in ground, and the revolving speed of motor 3 is made to match with gear, no matter mill coarse powder or pulverized powder are equal
The case where can guaranteeing 3 load balancing of motor, not having stall generation.The mill beans gear information of the emery wheel group 1 and the electricity
The input voltage of machine 3 is linear functional relation.The gear of the gear of emery wheel group 1 and the input voltage of motor 3 namely emery wheel group 1
Linear functional relation is used between the revolving speed of motor 3, and the linear change of gear is made to drive the linear change of 3 revolving speed of motor, this
Matching between sample gear and revolving speed is finer, and milling effect is outstanding.
User can adjust the milling thickness journey of bean milling device when using bean milling device according to their own needs
Degree.Specifically, knob 12 can be made to rotate with shaft 7 by turning knob 12, during shaft 7 rotates, due to the
One fluted disc 8 is structure as a whole with shaft 7, and the first fluted disc 8 can rotate synchronously together with shaft 7, and such first fluted disc 8 will drive
The toothed disc 2 being engaged with rotates, and matching relationship when toothed disc 2 rotates between emery wheel group 1 changes, and makes emery wheel
The milling thickness of group 1 changes.When toothed disc 2 is rotated to a direction, the milling gear of emery wheel group 1 is from thick shelves to thin shelves
Variation, and when toothed disc 2 is rotated to another direction, the milling gear of emery wheel group 1 then changes from thin shelves to thick shelves, passes through rotation
The operation of button 12 can realize that the milling gear of emery wheel group 1 is adjusted.Due to also having the second of structure in conjunction in shaft 7
Fluted disc 9, when shaft 7 is when knob 12 drives lower rotation, the second fluted disc 9 can also rotate synchronously therewith, and such second fluted disc 9 will
The driving cog 10 being engaged with is driven to rotate synchronously, when driving cog 10 rotates, potentiometer 5 will receive rotation information, this
Rotation information is corresponding with the gear adjusting of emery wheel group 1 movement.After potentiometer 5 receives this rotation information, control is sent it to
Device 6 processed, controller 6 can adjust information according to this gear, be adjusted according to input voltage of the built-in algorithm to motor 3
Section, to change the real-time revolving speed of motor 3.For example, controller 6 will control electricity when gear is gradually changed from thick shelves to thin shelves
The revolving speed of machine 3 gradually rises, and when gear is adjusted to thin shelves completely, the revolving speed of motor 3 reaches maximum speed, makes motor 3
Output power enhancing, a possibility that grinding beans powder outlet quantity to improve, reduce stall；When gear is gradually changed from thin shelves to thick shelves,
The revolving speed that controller 6 will control motor 3 gradually decreases, and when gear is adjusted to thick shelves completely, the revolving speed of motor 3 reaches most
The slow-speed of revolution.The utility model can make the gear of emery wheel group 1 adjust the relationship for forming linear function with the rotational speed regulation of motor 3,
Vary slightly gear, the revolving speed of motor 3 will change therewith, and gear regulated quantity is bigger, and the rotation speed change of motor 3 also can be therewith
Bigger, the rotation speed change of motor 3, which adjusts gear, has very sensitive servo-actuated reaction.Pass through the revolving speed tune of the utility model
Section, the working efficiency that be optimal bean milling device can in all cases, and can effective protection motor 3 be not damaged and
Service life is influenced, while the powder outlet quantity under thin shelves milling state can also be improved, improves the usage experience of user.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (7)
1. a kind of speed adjustment system of bean milling device, the bean milling device includes emery wheel group, toothed disc and motor, the motor
Emery wheel group rotation mill beans are driven, the toothed disc switches between the mill thick shelves of beans and thin shelves for adjusting the emery wheel group, special
Sign is, the regulating system includes adjustment gear, potentiometer and controller,
The adjustment gear is engaged with the toothed disc, and the adjustment gear and potentiometer transmission cooperate,
The potentiometer is connected to the input terminal of the controller, and the output end of the controller is connected to the control of the motor
End.
2. the speed adjustment system of bean milling device according to claim 1, which is characterized in that the adjustment gear includes turning
Axis, the first fluted disc and the second fluted disc, first fluted disc and the second fluted disc, which are installed on side by side in the shaft, to be rotated synchronously；Institute
It states the first fluted disc to engage with the toothed disc, second fluted disc and potentiometer transmission cooperate.
3. the speed adjustment system of bean milling device according to claim 2, which is characterized in that the toothed disc and described the
One fluted disc is using the cooperation transmission of taper tooth form.
4. the speed adjustment system of bean milling device according to claim 2, which is characterized in that the potentiometer, which is equipped with, to be passed
Movable tooth, second fluted disc are meshed with the driving cog.
5. the speed adjustment system of bean milling device according to claim 4, which is characterized in that the potentiometer passes through bracket
Installation is fixed.
6. the speed adjustment system of bean milling device according to claim 2, which is characterized in that one end of the shaft connects
There is knob.
7. the speed adjustment system of described in any item bean milling devices according to claim 1~6, which is characterized in that the current potential
Device is used to detect the mill beans gear information of the emery wheel group, and the controller receives the mill beans gear information and changes institute accordingly
State the input voltage of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721322236.2U CN208463790U (en) | 2017-10-14 | 2017-10-14 | A kind of speed adjustment system of bean milling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721322236.2U CN208463790U (en) | 2017-10-14 | 2017-10-14 | A kind of speed adjustment system of bean milling device |
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| Publication Number | Publication Date |
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| CN208463790U true CN208463790U (en) | 2019-02-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107692874A (en) * | 2017-10-14 | 2018-02-16 | 广东新宝电器股份有限公司 | A kind of speed adjustment system of bean milling device |
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- 2017-10-14 CN CN201721322236.2U patent/CN208463790U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107692874A (en) * | 2017-10-14 | 2018-02-16 | 广东新宝电器股份有限公司 | A kind of speed adjustment system of bean milling device |
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