阅读说明：本技术 一种便用型研磨器 (Convenient grinder ) 是由 王建敏 于 2019-12-05 设计创作，主要内容包括：本发明是一种便用型研磨器,包括筒体,及可拆卸配合连接在筒体两端的用于研磨物料的研磨机构,所述筒体的内部设置有用于驱动研磨机构的电机,且电机的两端配合连接有用于控制电机与研磨机构之间联动与脱离的离合机构,所述离合机构包括与电机配合连接的驱动架,及与研磨机构配合连接的从动块,所述从动块的一侧连接有滑杆,所述滑杆的中央滑动连接有主动块,所述主动块分别与从动块、驱动架之间可拆卸连接；该便用型研磨器能够对两种不同的物料进行存放与待研磨处理,便于使用者根据使用情况对不同的物料进行即时研磨加工,有效提高使用者研磨物料的操作便利性与使用效果,并有效降低研磨器的磨损可能。(The invention relates to a convenient grinder, which comprises a barrel and a grinding mechanism detachably connected with two ends of the barrel in a matching manner and used for grinding materials, wherein a motor used for driving the grinding mechanism is arranged in the barrel, two ends of the motor are connected with a clutch mechanism used for controlling the linkage and the separation between the motor and the grinding mechanism in a matching manner, the clutch mechanism comprises a driving frame connected with the motor in a matching manner and a driven block connected with the grinding mechanism in a matching manner, one side of the driven block is connected with a sliding rod, the center of the sliding rod is connected with a driving block in a sliding manner, and the driving block is detachably connected with the driven block and the driving frame respectively; this just, use type mill can deposit and wait to grind the processing to two kinds of different materials, and convenient to use person grinds the processing immediately to the material of difference according to the in service behavior, effectively improves the operation convenience and the result of use that the user ground the material to effectively reduce the wearing and tearing possibility of mill.)

1. The utility model provides a just, use type mill which characterized in that: including the barrel, and can dismantle the cooperation and connect the grinding mechanism who is used for grinding the material at barrel both ends, the inside of barrel is provided with the motor, the both ends cooperation of motor is connected with and is used for control motor and grinds the clutch mechanism that linkage and breaking away from between the mechanism, clutch mechanism includes the drive frame of being connected with the motor cooperation, and the driven piece of being connected with grinding the mechanism cooperation, one side of driven piece is connected with the slide bar, the central authorities sliding connection of slide bar has the initiative piece, initiative piece one side can be dismantled with the driven piece and be connected, and the cooperation is connected between initiative piece opposite side and the drive frame.

2. A portable grinder as claimed in claim 1, wherein: one side of the driving block, facing the driven block, is connected with a main gear end face, the other side of the driving block is connected with a gear rod in sliding connection with the driving frame, one side of the driven block, facing the driving block, is connected with a driven gear end face, and the driven gear end face and the main gear end face are meshed with each other.

3. A portable grinder as claimed in claim 2, wherein: one side of the driving frame, which faces the driving block, is provided with a toothed cavity, the toothed rod is arranged in the toothed cavity in a sliding manner, and the toothed rod and the toothed cavity are connected in an engaged manner.

4. A portable grinder as claimed in claim 1, wherein: the center of the active block is provided with a through hole, the sliding rod penetrates through the through hole and is in clearance fit with the through hole, and the length of the sliding rod is greater than that of the active block.

5. A disposable grinder as claimed in any one of claims 1 to 4, wherein: the driven piece can be dismantled the cooperation and be connected between grinding mechanism, and is provided with the feed bin between grinding mechanism and the barrel, can dismantle the cooperation between feed bin and the barrel and be connected.

6. A disposable grinder as claimed in claim 5, wherein: grind the mechanism and include the mounting that links to each other with the feed bin, mounting central authorities are connected with outer abrasive core, and the central authorities of outer abrasive core are provided with interior abrasive core, and the central authorities of interior abrasive core are connected with can dismantle the even axle that the cooperation is connected with the driven piece, the outside of mounting is rotated and is connected with the regulating ring that is used for adjusting outer abrasive core and interior abrasive core clearance.

7. A disposable grinder as claimed in claim 6, wherein: one side of the inner grinding core is provided with an elastic part connected with the bin, the other side of the inner grinding core is provided with a retaining ring, the center of the retaining ring is connected with a supporting rod used for supporting the inner grinding core, retaining teeth are arranged on the outer surface of the retaining ring, and a supporting rod matched with the retaining teeth is connected inside the adjusting ring.

8. A disposable grinder as claimed in claim 6, wherein: one side of driven piece towards grinding mechanism is provided with the card chamber, the one end sliding connection of even axle is in the card intracavity, even axle is polygonized structure.

9. A portable grinder as claimed in claim 1, wherein: a reduction gearbox is arranged between the motor and the clutch mechanism, a planetary gear set is arranged in the reduction gearbox, the planetary gear set and the motor are in meshing transmission, and one side of the driving frame is connected with a connecting rod in matched connection with the planetary gear set.

10. A portable grinder as claimed in claim 1, wherein: the novel electric torch is characterized in that a power supply is arranged inside the barrel, a switch, an indicator light and a charging port are arranged on the outer surface of the barrel, the motor is electrically connected with the power supply, the switch, the indicator light and the charging port, and the motor is a double-shaft motor.

Technical Field

The invention relates to a grinder, in particular to a convenient grinder.

Background

The grinder is an appliance capable of grinding materials and adjusting the particle size of the materials, most of conventional grinders are single-head grinders, namely, only a single material can be ground, if other materials are ground, only the front materials can be removed, and then subsequent materials can be added for grinding and processing, and the material replacement grinding mode can not quickly grind different materials, increase the difficulty of grinding the materials by a user, prolong the time consumed by the user, and easily cause material mixing due to incomplete removal of the front materials, thereby bringing disorder inconvenience to the use of the materials for the user; the double-end grinder that adopts on the market at present can grind two kinds of materials through two different grinding mechanism promptly, but this kind of grinder adopts the clutch of the positive and negative commentaries on classics of motor to control different grinding mechanism and opens and stop usually, not only very easily causes the wearing and tearing of the inside tooth of clutch, causes the damage of clutch, and the separation and reunion linkage in-process also very easily causes very big noise, influences the user and lasts the result of use and the convenience of use that carry out the double-end grinding.

Disclosure of Invention

The invention mainly solves the technical problems in the prior art, thereby providing the convenient grinder which has two different material grinding efficiencies, improves the grinding efficiency and the grinding convenience of a user, and effectively prolongs the service life and the use effect of the grinder.

The invention relates to a convenient grinder which comprises a barrel and a grinding mechanism detachably connected with two ends of the barrel in a matching manner and used for grinding materials, wherein a motor is arranged in the barrel, two ends of the motor are connected with a clutch mechanism used for controlling the linkage and the separation between the motor and the grinding mechanism in a matching manner, the clutch mechanism comprises a driving frame connected with the motor in a matching manner and a driven block connected with the grinding mechanism in a matching manner, one side of the driven block is connected with a sliding rod, the center of the sliding rod is connected with a driving block in a sliding manner, one side of the driving block is detachably connected with the driven block, and the other side of the driving block is connected with the driving frame in a matching.

Preferably, one side of the driving block, which faces the driven block, is connected with a driving tooth end face, the other side of the driving block is connected with a toothed bar which is connected with the driving frame in a sliding manner, one side of the driven block, which faces the driving block, is connected with a driven tooth end face, the driven tooth end face and the driving tooth end face are meshed with each other, the toothed bar can slide on the sliding bar, the driving frame can continuously drive the driving block to rotate, the driving block can drive the driven block to rotate when the driving tooth end face and the driven tooth end face are meshed with each other, and the driving block can only idle at the center of the sliding bar and cannot drive the driven block to rotate when the driving tooth end face and the driven tooth end face are separated from each other.

Preferably, a toothed cavity is formed in one side, facing the driving block, of the driving frame, the toothed rod is arranged in the toothed cavity in a sliding mode, the toothed rod and the toothed cavity are connected in an meshed mode, the driving frame drives the driving block to rotate through the meshed toothed cavity and the toothed rod, and the toothed rod can be embedded into the toothed cavity when the driving block slides on the sliding rod, so that the driving toothed end face of the driving block is separated from the driven toothed end face of the driven block.

Preferably, the center of the driving block is provided with a through hole, the sliding rod penetrates through the through hole and is in clearance fit with the through hole, and the length of the sliding rod is greater than that of the driving block, so that the driving block can slide on the sliding rod, and the end face of the driving tooth of the driving block and the end face of the driven tooth of the driven block can be separated from and meshed with each other at any time.

As preferred, the cooperation of can dismantling between driven piece and the grinding mechanism is connected, and is provided with the feed bin between grinding mechanism and the barrel, can dismantle the cooperation between feed bin and the barrel and be connected, let the user place the material of difference in the feed bin and treat to grind the material through the grinding mechanism who links to each other with the feed bin, buckle formula cooperation is connected between feed bin and the barrel, and also the person of facilitating the use carries out cleaning treatment to feed bin and grinding mechanism, effectively avoids the material adhesion in the feed bin and causes the possibility that multiple material mixes.

As preferred, grind mechanism includes the mounting that links to each other with the feed bin, mounting central authorities are connected with outer abrasive core, and the central authorities of outer abrasive core are provided with interior abrasive core, and the central authorities of interior abrasive core are connected with and can dismantle the even axle that the cooperation is connected with the driven piece, the outside of mounting is rotated and is connected with the regulating ring that is used for adjusting outer abrasive core and interior abrasive core clearance for grind mechanism and can pass through the mounting and connect on the feed bin, and drive interior abrasive core through the cooperation of even axle and driven piece and rotate, so that the cooperation of interior abrasive core and outer abrasive core grinds the material.

Preferably, one side of the inner grinding core is provided with an elastic part connected with the bin, the other side of the inner grinding core is provided with a retaining ring, the center of the retaining ring is connected with a supporting rod used for supporting the inner grinding core, the outer surface of the retaining ring is provided with retaining teeth, the inner part of the adjusting ring is connected with a supporting rod matched with the retaining teeth, the inner grinding core is pushed away from the outer grinding core through the elastic part to increase the gap between the inner grinding core and the outer grinding core, the retaining ring supports the inner grinding core so as to adjust the supporting height of the supporting rod to the inner grinding core through the matching of different retaining tooth heights in the supporting rod and the retaining teeth, therefore, the gap between the inner grinding core and the outer grinding core is adjusted through different supporting heights of the inner grinding core to control the particle thickness after grinding of the material, and the elastic part can be a spring.

As preferred, the driven piece is provided with the card chamber towards one side of grinding mechanism, the one end sliding connection of even axle is in the card intracavity, even the axle is polygonized structure for even the one end of axle can be embedded into the card intracavity, even the axle can be polygonized structure such as trilateral, quadrangle, pentagon, and the rotation of being convenient for driven piece can be rotated through card chamber and the cooperation drive internal grinding core of even axle.

Preferably, a reduction gearbox is arranged between the motor and the clutch mechanism, a planetary gear set is arranged in the reduction gearbox, the planetary gear set and the motor are in meshing transmission, one side of the driving frame is connected with a connecting rod in matched connection with the planetary gear set, so that the motor runs to adjust the rotating speed and the torque through the reduction gearbox and the planetary gear set, a planet carrier of the planetary gear set is connected with a motor shaft, the planet gears in the planetary gear set are connected with the driving frame, the driving frame is connected with the connecting rod, and the connecting rod is connected in the planet gears in an interference fit manner.

As preferred, the inside power that is provided with of barrel, barrel surface are provided with switch, pilot lamp and the mouth that charges, the motor is connected with electricity between power, switch, pilot lamp, the mouth that charges, the motor is biax motor, lets the user can supply power to the motor through the on-off control power supply to motor drive grinds the mechanism, and the motor open the state of stopping can pass through the demonstration of pilot lamp with the charged state of mouthful, so that the user knows the current state of this mill.

The invention has the beneficial effects that: the convenient grinder has two different material grinding efficiencies, improves the grinding efficiency and the grinding convenience of a user, and effectively prolongs the service life and the use effect of the grinder; because the two ends of the cylinder are both connected with the grinding mechanisms for grinding materials, and the bin detachably connected with the cylinder is connected between the grinding mechanisms and the cylinder, a user can separately place different materials in different bins correspondingly connected with the two grinding mechanisms, so that the grinding mechanisms can conveniently grind the materials in the bins in real time, the difficulty of grinding the materials by replacing a conventional single grinding head is changed, the possibility of material mixing caused by incomplete material removal is avoided, and the product quality and effect after material grinding are effectively ensured; the two ends of the motor are both connected with a clutch mechanism for controlling the linkage and the separation between the motor and the grinding mechanism, the clutch mechanism comprises a driving frame and a driven block, the center of the driven block is connected with a slide rod, the center of the slide rod is connected with a driving block in a sliding way, the driving block and the driven block are detachably meshed and connected through a driving tooth end face and a driven tooth end face, a tooth rod of the driving block and a tooth cavity of the driving frame are meshed with each other, so that the driving frame can drive the driving block to rotate, the driving tooth end face of the driving block and the driven tooth end face of the driven block are meshed with each other to drive the driven block and the grinding mechanism connected with the driven block to grind, when the driving tooth end face of the driving block and the driven tooth end face of the driven block are separated from each other, the driving block is enabled to rotate on the slide rod and cannot drive the driven block and the grinding mechanism to grind, and the driving block positioned on one side of the grinding mechanism, so that the driving frame drives the driven block to rotate through the driving block to grind the grinding mechanism, the toothed bar of the driving block at one side of the grinding mechanism above the cylinder is completely embedded into the toothed cavity of the driving frame, so that the driving block is separated from the driven block, the motor can only drive the driving block to idle in the center of the slide rod through the driving frame, the driven block and the grinding mechanism stop running, a user can automatically control the engagement and the disengagement of the driving block and the driven block through the orientation of the grinding mechanism, the clutch between the grinding mechanism and the motor is convenient to operate, the user can only rotate the grinder according to the grinding of the required materials, the grinding convenience and the grinding efficiency of the materials are effectively improved, the service life loss caused by the whole operation of the grinding mechanism in the conventional double-head grinder is changed, and the possibility of gear abrasion caused by the control of the starting and stopping of the grinding mechanism through the forward and reverse rotation of the motor and the clutch is also avoided, the grinding device has the advantages that the noise influence caused by engagement and disengagement of the gears in the working process of the clutch in grinding is reduced, and the using effect and the service life of the grinding device are effectively prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a portable grinder according to the present invention;

FIG. 2 is a sectional view showing the overall structure of a handy grinder according to the present invention;

FIG. 3 is an exploded view of the overall structure of a disposable grinder according to the present invention;

fig. 4 is an exploded view showing the structure of a clutch mechanism in a disposable grinder according to the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.

As shown in fig. 1 to 4, the portable grinder comprises a barrel 1 and a grinding mechanism 2 detachably connected to two ends of the barrel 1 and used for grinding materials, wherein a motor 6 is arranged inside the barrel 1, two ends of the motor 6 are connected with a clutch mechanism 4 used for controlling linkage and separation between the motor 6 and the grinding mechanism 2 in a matching manner, the clutch mechanism 4 comprises a driving frame 41 connected with the motor 6 in a matching manner and a driven block 43 connected with the grinding mechanism 2 in a matching manner, one side of the driven block 43 is connected with a sliding rod 431, the center of the sliding rod 431 is connected with a driving block 42 in a sliding manner, one side of the driving block 42 is detachably connected with the driven block 43, and the other side of the driving block 42 is connected with the driving frame 41 in a matching manner.

One side of the driving block 42, which faces the driven block 43, is connected with a driving tooth end surface 422, the other side of the driving block 42 is connected with a tooth bar 421 which is connected with the driving frame 41 in a sliding manner, one side of the driven block 43, which faces the driving block 42, is connected with a driven tooth end surface 432, the driven tooth end surface 432 and the driving tooth end surface 422 are meshed with each other, so that the tooth bar 421 can slide on the sliding rod 431, the driving frame 41 can continuously drive the driving block 42 to rotate, the driving block 42 can drive the driven block 43 to rotate when the driving tooth end surface 422 and the driven tooth end surface 432 are meshed with each other, and the driving block 42 can only idle in the center of the sliding rod 431 and cannot drive the driven block 43 to rotate when the driving tooth end surface 422 and the driven tooth end surface 432 are separated from each other.

A toothed cavity 412 is formed in one side, facing the driving block 42, of the driving frame 41, the toothed rod 421 is slidably disposed in the toothed cavity 412, and the toothed rod 421 and the toothed cavity 412 are in meshed connection, so that the driving frame 41 drives the driving block 42 to rotate through meshing of the toothed cavity 412 and the toothed rod 421, and the toothed rod 421 can be embedded in the toothed cavity 412 when the driving block 42 slides on the sliding rod 431, so that the driving toothed end face 422 of the driving block 42 and the driven toothed end face 432 of the driven block 43 can be separated from each other.

The center of the driving block 42 is provided with a through hole (not labeled), the sliding rod 431 penetrates through the through hole and is in clearance fit with the through hole, and the length of the sliding rod 431 is greater than that of the driving block 42, so that the driving block 42 can slide on the sliding rod 431, and the driving tooth end face 422 of the driving block 42 and the driven tooth end face 432 of the driven block 43 can be conveniently separated from and meshed with each other at any time.

Driven piece 43 and grinding can dismantle the cooperation between the mechanism 2 and be connected, and be provided with feed bin 3 between grinding mechanism 2 and the barrel 1, can dismantle the cooperation between feed bin 3 and the barrel 1 and be connected, let the user can place the material of difference in feed bin 3 and wait to grind the processing through the grinding mechanism 2 that links to each other with feed bin 3 to the material, buckle formula cooperation is connected between feed bin 3 and the barrel 1, and also the person of facilitating the use carries out cleaning treatment to feed bin 3 and grinding mechanism 2, effectively avoids the material adhesion to cause the possibility that multiple material mixes in feed bin 3.

Grind mechanism 2 includes the mounting 21 that links to each other with feed bin 3, mounting 21 central authorities are connected with outer abrasive core 25, and the central authorities of outer abrasive core 25 are provided with interior abrasive core 24, and the central authorities of interior abrasive core 24 are connected with and can dismantle even axle 27 that the cooperation is connected with driven piece 43, the outside of mounting 21 is rotated and is connected with the regulating ring 22 that is used for adjusting outer abrasive core 25 and interior abrasive core 24 clearance for grinding mechanism 2 can be connected on feed bin 3 through mounting 21, and drive interior abrasive core 24 through the cooperation of even axle 27 with driven piece 43 and rotate, so that the cooperation of interior abrasive core 24 and outer abrasive core 25 grinds the material.

One side of interior grinding core 24 is provided with the elastic component 26 that links to each other with feed bin 3, and the opposite side of interior grinding core 24 is provided with a shelves circle 23, the central authorities of shelves circle 23 are connected with the pole 231 that supports interior grinding core 24, and the surface of shelves circle 23 is provided with shelves tooth 232, and the internal connection of adjusting ring 22 has the vaulting pole (not marking) that mutually supports with shelves tooth 232, pushes away interior grinding core 24 through elastic component 26 and is used for increasing the clearance of interior grinding core 24 and outer grinding core 25 from outer grinding core 25, lets the shelves circle 23 support interior grinding core 24 to be convenient for adjust the supporting height of pole 231 to interior grinding core 24 through the cooperation of different shelves tooth 232 heights in vaulting pole and the shelves tooth 232, thereby the clearance of interior grinding core 24 and outer grinding core 25 is used for controlling the granule thickness after the material grinds through the difference of interior grinding core 24 supporting height regulation, elastic component 26 can be the spring.

Driven piece 43 is provided with card chamber 433 towards one side of grinding mechanism 2, the one end sliding connection of even axle 27 is in card chamber 433, even axle 27 is polygonized structure for even axle 27's one end can be embedded into card chamber 433, even axle 27 can be polygonized structure such as trilateral, quadrangle, pentagon, and it is rotatory to be convenient for driven piece 43's rotation can drive interior grinding core 24 through card chamber 433 and even axle 27's cooperation.

A reduction gearbox 5 is arranged between the motor 6 and the clutch mechanism 4, a planetary gear set 51 is arranged in the reduction gearbox 5, the planetary gear set 51 and the motor 6 are in meshing transmission, one side of the driving frame 41 is connected with a connecting rod 411 in matched connection with the planetary gear set 51, so that the motor 6 runs to adjust the rotating speed and the torque through the reduction gearbox 5 and the planetary gear set 51, a planet carrier of the planetary gear set 51 is connected with a shaft of the motor 6, the planet gears in the planetary gear set 51 are connected with the driving frame 41, the driving frame 41 is connected with the connecting rod 411, and the connecting rod 411 is in interference fit connection with the planet gears.

The utility model discloses a grinding machine, including barrel 1, motor 6, switch 11, pilot lamp, motor 6, switch 11, pilot lamp, the mouth that charges, motor 6 is the biax motor, lets the user supply power to motor 6 through switch 11 control power supply 12 to motor 6 drive grinding mechanism 2 grinds, and the state of charge of opening of motor 6 opens the state and the mouth that charges can pass through the demonstration of pilot lamp, so that the user knows the current state of this grinder, and the utility model discloses a grinding machine, including the barrel 1, the barrel is provided with switch 11, pilot lamp (not mark) and the mouth that charges (not mark), motor 6 and power 12, switch 11, pilot lamp.

The convenient grinder enables a user to separately place different materials in different bins 3 at two ends of the cylinder 1 so as to grind the materials through the grinding mechanism 2 connected with the bins 3; the clutch mechanism 4 positioned below the cylinder 1 is in a linkage state, namely the driving tooth end surface 422 of the driving block 42 is meshed with the driven tooth end surface 432 of the driven block 43; the clutch mechanism 4 above the cylinder 1 is in a disengaged state, i.e. the driving tooth end face 422 of the driving block 42 and the driven tooth end face 432 of the driven block 43 are separated from each other; and the rack bars 421 of the driving blocks 42 at both sides of the cylinder 1 are meshed with the tooth cavities 412 of the driving frame 41; when a user starts the motor 6 through the switch 11, the grinding mechanism 2 positioned below the cylinder 1 grinds the materials in the bin 3, and the grinding mechanism 2 positioned above the cylinder 1 is in a stop state to stop grinding the materials; a user can drive the stay bar to be matched and clamped on the blocking teeth 232 through rotating the adjusting ring 22, so that the blocking ring 23 can conveniently adjust the height of the inner grinding core 24 through the abutting rod 231, and the user can conveniently adjust the gap between the inner grinding core 24 and the outer grinding core 25 to adjust the particle size of the material; the elastic piece 26 is arranged between the inner grinding core 24 and the bin 3 to push the inner grinding core 24 away from the outer grinding core 25 so as to increase the gap between the inner grinding core 24 and the outer grinding core 26; one side of the stock bin 3 is fixedly connected with a fixing piece 21 in the grinding mechanism 2, the other side of the stock bin 3 is connected with the barrel 1 in a buckling and matching manner, an adjusting ring 22 is buckled on the outer side of the fixing piece 21 in a sliding manner, a support rod is connected inside the adjusting ring 22, the support rod is matched with the baffle teeth 232 to adjust the different heights of the baffle rings, and the support rod of the baffle ring 232 controls and adjusts the gap between the inner grinding core 24 and the outer grinding core 25; the connecting shaft 27 and the clamping cavity 433 of the driven block 43 are clamped with each other, the connecting shaft 27 and the clamping cavity 433 are both in the same polygonal structure, the connecting shaft 27 is embedded in the clamping cavity 433, the driving block 42 is slidably connected to the center of the sliding rod 431, so that the driving block 42 can automatically slide and lift under the action of gravity, and controls the engagement and disengagement between the main gear end face 422 and the auxiliary gear end face 432, the gear rod 421 and the gear cavity 412 are engaged with each other, the connecting rod 411 of the driving frame 41 is connected with the planetary gear set 51 in the reduction gearbox 5, the motor 6 drives the driving frame 41 and the driving block 42 to rotate in turn through the planetary gear set in the reduction gearbox 5, when the main tooth end face 422 of the driving block 42 is meshed with the auxiliary tooth end face 432 of the driven block 43, the driven block 43 and the connecting shaft 27 connected with the driven block 43 are driven to rotate, so that the connecting shaft 27 drives the inner grinding core 24 to grind materials; the materials enter a gap between the inner grinding core 24 and the outer grinding core 25 through the stock bin 3, are ground and discharged, the adjusting ring 22 is wrapped on the outer side of the fixing piece 21, and a material guide hole (not marked) for guiding the ground materials is arranged in the center of the fixing piece 21; the switch 11 is a control button for controlling the starting and stopping of the motor 6, the charging port is a jack for charging the power supply 12, and the indicating lamps are respectively a motor starting indicating lamp and a power supply charging indicating lamp.

The invention has the beneficial effects that: the convenient grinder has two different material grinding efficiencies, improves the grinding efficiency and the grinding convenience of a user, and effectively prolongs the service life and the use effect of the grinder; because the two ends of the cylinder are both connected with the grinding mechanisms for grinding materials, and the bin detachably connected with the cylinder is connected between the grinding mechanisms and the cylinder, a user can separately place different materials in different bins correspondingly connected with the two grinding mechanisms, so that the grinding mechanisms can conveniently grind the materials in the bins in real time, the difficulty of grinding the materials by replacing a conventional single grinding head is changed, the possibility of material mixing caused by incomplete material removal is avoided, and the product quality and effect after material grinding are effectively ensured; the two ends of the motor are both connected with a clutch mechanism for controlling the linkage and the separation between the motor and the grinding mechanism, the clutch mechanism comprises a driving frame and a driven block, the center of the driven block is connected with a slide rod, the center of the slide rod is connected with a driving block in a sliding way, the driving block and the driven block are detachably meshed and connected through a driving tooth end face and a driven tooth end face, a tooth rod of the driving block and a tooth cavity of the driving frame are meshed with each other, so that the driving frame can drive the driving block to rotate, the driving tooth end face of the driving block and the driven tooth end face of the driven block are meshed with each other to drive the driven block and the grinding mechanism connected with the driven block to grind, when the driving tooth end face of the driving block and the driven tooth end face of the driven block are separated from each other, the driving block is enabled to rotate on the slide rod and cannot drive the driven block and the grinding mechanism to grind, and the driving block positioned on one side of the grinding mechanism, so that the driving frame drives the driven block to rotate through the driving block to grind the grinding mechanism, the toothed bar of the driving block at one side of the grinding mechanism above the cylinder is completely embedded into the toothed cavity of the driving frame, so that the driving block is separated from the driven block, the motor can only drive the driving block to idle in the center of the slide rod through the driving frame, the driven block and the grinding mechanism stop running, a user can automatically control the engagement and the disengagement of the driving block and the driven block through the orientation of the grinding mechanism, the clutch between the grinding mechanism and the motor is convenient to operate, the user can only rotate the grinder according to the grinding of the required materials, the grinding convenience and the grinding efficiency of the materials are effectively improved, the service life loss caused by the whole operation of the grinding mechanism in the conventional double-head grinder is changed, and the possibility of gear abrasion caused by the control of the starting and stopping of the grinding mechanism through the forward and reverse rotation of the motor and the clutch is also avoided, the grinding device has the advantages that the noise influence caused by engagement and disengagement of the gears in the working process of the clutch in grinding is reduced, and the using effect and the service life of the grinding device are effectively prolonged.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.