CN111495474A - Grinding device - Google Patents
Grinding device Download PDFInfo
- Publication number
- CN111495474A CN111495474A CN202010401462.XA CN202010401462A CN111495474A CN 111495474 A CN111495474 A CN 111495474A CN 202010401462 A CN202010401462 A CN 202010401462A CN 111495474 A CN111495474 A CN 111495474A
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- Prior art keywords
- grinding
- sieve plate
- plate
- sieve
- grinding head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides a grinding device, which belongs to the technical field of grinding equipment and comprises a shell, a first grinding head, a sieve plate, a transition piece, a pushing mechanism and a driving mechanism, wherein the shell is provided with a flow inlet; a channel is arranged in the first grinding head, the channel is connected with the flow inlet, and a control valve is arranged in the channel; the two sieve plates are arranged under the first grinding head at intervals; the two transition pieces are oppositely arranged between the two sieve plates and provided with receiving ends and grinding ends, the receiving ends of the two transition pieces are jointed to form a conical groove, and the two grinding ends are jointed to form a second grinding head; the pushing mechanism is connected with the transition pieces and used for pushing the two transition pieces to attach and receive the powder ground above or separately guide and receive the powder to fall into the sieve plate below; the driving mechanism is used for driving the sieve plate to move up and down to be attached to the corresponding first grinding head or second grinding head and driving the sieve plate to rotate and grind. The grinding device provided by the invention has the advantages that the labor force is liberated, and the grinding efficiency and quality are improved.
Description
Technical Field
The invention belongs to the technical field of grinding equipment, and particularly relates to a grinding device.
Background
In food detection, solid food is often ground into powder for detection. When the existing test is carried out, an operator carries out miscellaneous crushing grinding in a manual mode, and the ground powder particles are different in size, so that the subsequent test effect is influenced. Meanwhile, manual grinding consumes physical strength of operators, and long time is needed for grinding the materials into powder, so that the efficiency is affected.
Disclosure of Invention
The invention aims to provide a grinding device, and aims to solve the problems that the existing manual grinding mode wastes labor force, is low in efficiency, and simultaneously, the ground powder is different in size to influence the subsequent test effect.
In order to achieve the purpose, the invention adopts the technical scheme that: the grinding device comprises a shell, a first grinding head, a sieve plate, a transition piece, a pushing mechanism and a driving mechanism, wherein the shell is provided with a flow inlet; a channel is arranged in the first grinding head, the channel is connected with the flow inlet, a control valve is arranged in the channel, and the control valve is used for controlling the opening and closing of the channel; the two sieve plates are arranged under the first grinding head at intervals, and the sieve plate positioned below is smaller than the sieve pore diameter of the sieve plate positioned above; the two transition pieces are oppositely arranged between the two sieve plates and provided with receiving ends and grinding ends, the receiving ends of the two transition pieces are jointed to form a conical groove, and the two grinding ends are jointed to form a second grinding head; the pushing mechanism is arranged in the shell and connected with the transition pieces and used for pushing the two transition pieces to attach and receive the powder ground above or separately guide and receive the powder to fall into the sieve plate below; the driving mechanism is connected with the sieve plate and used for driving the sieve plate to move up and down to be attached to the corresponding first grinding head or second grinding head and driving the sieve plate to rotate and grind.
As another embodiment of the present application, the control valve includes a ball and a first motor, the ball is disposed on the through hole, the ball is rotatably disposed in the channel, the ball is provided with a rotating shaft, and the rotating shaft extends out of the first polishing head; the first motor is arranged on the first grinding head and connected with the rotating shaft for driving the ball body to rotate.
As another embodiment of the present application, the driving mechanism includes a first gear, a second gear, a third motor and a nut, the first gear is rotatably disposed in the housing, and the first gear is coaxially connected to the second motor; the second gear is a ring gear, and the first gear is rotatably arranged in the shell and meshed with the first gear; the two third motors are symmetrically arranged on the second gear, and the third motors are coaxially connected with the screw rod; the two nuts are in one-to-one corresponding threaded connection with the screw rods, and the sieve plate is connected with the two nuts.
As another embodiment of this application, the sieve links to each other with the screw through clamping seat, and clamping seat and sieve can dismantle the connection.
As another embodiment of the application, the clamping seat comprises two clamping plates and a connecting plate, wherein the two clamping plates are in a semi-arc shape, one ends of the two clamping plates are rotatably connected, and arc-shaped positioning grooves are formed in the clamping plates and used for inserting the sieve plates; the connecting plate is arranged at the other end of the clamping plate and is provided with a through hole, the two connecting plates are connected through bolts and nuts, and the sieve plate is limited in the positioning groove by means of the bolts and nuts.
According to another embodiment of the application, the screw is connected with a connecting rod, a clamping groove is formed in the connecting rod, the clamping plate is provided with a plug board, the plug board is clamped with the clamping groove, and the clamping seat is connected with the screw through the clamping groove and the plug board.
As another embodiment of the application, the ejection mechanism is an electric cylinder, the electric cylinder is arranged in the shell, and a cylinder rod of the electric cylinder is connected with the transition piece.
As another embodiment of this application, be equipped with the electro-magnet in the transition piece, the electro-magnet is used for making two transition pieces laminating inseparabler.
As another embodiment of the present application, the grinding apparatus further includes a collecting cup disposed below the sieve plate located at the lower side for collecting the ground powder.
As another embodiment of the application, a weigher is arranged in the shell, and the collecting cup is arranged on the weigher.
The grinding device provided by the invention has the beneficial effects that: compared with the prior art, the grinding device has the advantages that the first grinding head is internally provided with the channel, the channel is connected with the flow inlet, the channel is internally provided with the control valve, the control valve is opened, and the substances fall onto the sieve plate below the first grinding head from the flow inlet through the channel. The driving mechanism connected with the sieve plate drives the sieve plate to move to be in contact with the first grinding head, then the sieve plate is driven to rotate to grind the substances on the sieve plate, and the smaller particles fall through the sieve plate. The transition piece links to each other with ejection mechanism, two transition piece laminating mutually of ejection mechanism ejection, the transition piece is equipped with the receiving terminal and grinds the end, two receiving terminal end laminating form the bell jar, less granule falls into the bell jar, if when two transition pieces kept away from mutually, less granule falls to on transition piece downside sieve from between two transition pieces, two grinding end formation second grinding heads of laminating mutually, the sieve of second grinding head downside is close to second grinding head and rotation grinding under the actuating mechanism effect that corresponds, grind qualified finished product powder and spill from the sieve mesh of this sieve. According to the grinding device, the mechanical grinding is adopted to replace manual grinding, more uniform grinding powder is obtained through screening of the sieve plate, the grinding efficiency is improved, and the productivity is liberated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a top view of a polishing apparatus according to an embodiment of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic perspective view of a chuck used in the embodiment of the present invention;
FIG. 5 is a perspective view of a transition piece used in an embodiment of the present invention.
In the figure: 1. a housing; 2. a collection cup; 3. a weighing device; 4. a flow guide hopper; 5. installing a clamping seat; 6. inserting plates; 7. a nut; 8. an electromagnet; 9. a transition piece; 10. a first polishing head; 11. a first motor; 12. a sphere; 13. an inlet pipe; 14. a flow inlet hopper; 15. a first gear; 16. a through hole; 17. a screw rod; 18. an electric cylinder; 19. a connecting rod; 20. a sieve plate; 21. a second motor; 22. a second gear; 23. a third motor; 501. positioning a groove; 502. a connecting plate; 503. installing a clamping plate; 901. a receiving end; 902. grinding the end; 1901. a clamping groove.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2 together, the polishing apparatus of the present invention will now be described. The grinding device comprises a shell 1, a first grinding head 10, a sieve plate 20, a transition piece 9, a pushing mechanism and a driving mechanism, wherein the shell 1 is provided with a flow inlet; a channel is arranged in the first grinding head 10, the channel is connected with the flow inlet, and a control valve is arranged in the channel and used for controlling the opening and closing of the channel; the two sieve plates 20 are arranged under the first grinding head 10 at intervals, and the sieve plate 20 positioned below is smaller than the sieve plate 20 positioned above; the two transition pieces 9 are oppositely arranged between the two sieve plates 20, each transition piece 9 is provided with a receiving end 901 and a grinding end 902, the receiving ends 901 of the two transition pieces 9 are attached to form a conical groove, and the two grinding ends 902 are attached to form a second grinding head; the ejection mechanism is arranged in the shell 1, connected with the transition pieces 9 and used for ejecting the two transition pieces 9 to attach and receive the powder ground above or separately guide and receive the powder to fall into the sieve plate 20 below; the driving mechanism is connected with the sieve plate 20 and is used for driving the sieve plate 20 to move up and down to abut against the corresponding first grinding head 10 or second grinding head and driving the sieve plate 20 to rotate and grind.
Compared with the prior art, the grinding device provided by the invention has the advantages that the first grinding head 10 is internally provided with the channel, the channel is connected with the flow inlet, the channel is internally provided with the control valve, the control valve is opened, and the substances fall onto the sieve plate 20 below the first grinding head 10 from the flow inlet through the channel. The driving mechanism connected with the sieve plate 20 drives the sieve plate 20 to move and contact with the first grinding head 10, and then drives the sieve plate 20 to rotate to grind the substances on the sieve plate 20, and smaller particles fall through the sieve plate 20. Transition piece 9 links to each other with ejection mechanism, two transition piece 9 laminatings mutually of ejection mechanism ejection, transition piece 9 is equipped with receiving terminal 901 and grinds end 902, two receiving terminal 901 laminate mutually and form the bell jar, less granule falls into the bell jar, if when two transition piece 9 keep away from mutually, less granule falls to transition piece 9 downside sieve 20 from between two transition piece 9 on, two grinding end 902 that laminate mutually form the second grinding head, sieve 20 of second grinding head downside is close to the second grinding head and rotates the grinding under the actuating mechanism effect that corresponds, grind up-to-standard finished product powder and spill from the sieve mesh of this sieve 20. The grinding device of the invention adopts mechanical grinding to replace manual grinding, obtains more uniform grinding powder by screening through the sieve plate 20, improves the grinding efficiency and liberates the productivity.
In this embodiment, the casing 1 is provided with a switch door, the casing 1 is provided with an inflow hopper 14, the inflow hopper 14 is connected with an inflow port, and the channel is connected with the inflow port through an inflow pipe 13, when the grinding device is used, the process is as follows:
(1) the material to be ground is placed into the housing 1 through the inlet funnel 14, the control valve is opened, the material falls through the channel onto the sieve plate 20 on the lower side of the first grinding head 10, and the control valve is closed after a certain amount of material falls onto the sieve plate 20.
(2) The sieve plate 20 of the first grinding head 10 is close to the first grinding head 10 and rotates relative to the first grinding head 10 under the action of the corresponding driving mechanism, so that the substances on the sieve plate 20 are ground under the action of the first grinding head 10, and smaller particles fall from the sieve holes of the sieve plate 20 in the grinding process.
(3) Two transition pieces 9 are attached to each other, and the smaller particles falling from the sieve plate 20 on the upper side of the transition piece 9 fall into the conical groove of the transition piece 9, and when a certain amount of particles are accumulated, the two transition pieces 9 are far away from each other, and the smaller particles in the conical groove fall onto the sieve plate 20 on the lower side from the space between the two transition pieces 9.
(4) Two transition pieces 9 laminate once more, and the sieve 20 of transition piece 9 downside is under corresponding actuating mechanism's effect, and move towards the second grinding head, then relative second grinding head rotates and grinds, and when grinding the granule on the sieve 20 of transition piece 9 downside, the toper groove still can continue to collect the granule that the transition piece 9 upside dropped this moment, and the qualified powder of grinding spills from the sieve mesh of sieve 20 of transition piece 9 downside.
In this embodiment, a controller is provided, the controller is electrically connected to the control valve, the driving mechanism and the ejection mechanism, the controller controls the opening and closing of the control valve, the driving mechanism drives the sieve plate 20, and the ejection mechanism drives the transition piece 9 to perform a matching action. For when to close the control valve, the controller can control the control valve to close after a certain time is set according to experience, or in other ways, after the grinding time and the material falls down, the distance between the first grinding head 10 and the corresponding sieve plate 20 is pulled, and the control valve is opened to continue feeding.
As an embodiment of the polishing apparatus provided by the present invention, please refer to fig. 2 to 3, the control valve includes a ball 12 and a first motor 11, the ball 12 is disposed on the through hole 16, the ball 12 is rotatably disposed in the channel, the ball 12 is provided with a rotating shaft, and the rotating shaft extends out of the first polishing head 10; the first motor 11 is disposed on the first polishing head 10, and the first motor 11 is connected to the rotating shaft for driving the ball 12 to rotate.
In this embodiment, when the first motor 11 controls the rotation of the ball 12, the through hole 16 of the ball 12 corresponds to the passage, and the material to be ground can pass through the passage. When the spherical surface of the sphere 12 is opposed to the channel, the substance to be ground cannot pass through the channel.
In this embodiment, the material of the ball 12 is the same as that of the first polishing head 10, and when the spherical surface of the ball 12 closes the channel, the spherical surface is tangent to the polishing surface of the first polishing head 10.
As a specific embodiment of the polishing apparatus provided by the present invention, please refer to fig. 2 to 3, the driving mechanism includes a first gear 15, a second gear 22, a third motor 23 and a nut 7, the first gear 15 is rotatably disposed in the housing 1, the first gear 15 is coaxially connected to the second motor 21; the second gear 22 is a ring gear, and the first gear 15 is rotatably arranged in the shell 1 and meshed with the first gear 15; the two third motors 23 are symmetrically arranged on the second gear 22, and the third motors 23 are coaxially connected with the screw rod 17; the two nuts 7 are in one-to-one corresponding threaded connection with the screw rods 17, and the sieve plate 20 is connected with the two nuts 7.
In this embodiment, the second motor 21 drives the first gear 15 to rotate, so as to drive the second gear 22 to rotate, because the second gear 22 is provided with the third motor 23 and the lead screw 17, the lead screw 17 rotates along with the second gear 22, and because the lead screw 17 is in threaded connection with the screw 7, the screw 7 is connected with the sieve plate 20, so as to drive the sieve plate 20 to rotate. The screw 17 rotates to drive the screw 7 to move, so that the sieve plate 20 can be driven to move, the connection structure of the screw 17 and the screw 7 in the embodiment is the same as the structure of a screw and a nut of a ball screw, and the ball screw consists of the screw, the nut, a steel ball, a prepressing piece, a reverser and a dust remover. Its function is to convert rotary motion into linear motion.
Referring to fig. 2 to 3, as an embodiment of the grinding device provided by the present invention, a screen plate 20 is connected to a nut 7 through a clamping seat 5, and the clamping seat 5 is detachably connected to the screen plate 20. The screen plate 20 is detachably mounted on the clamping seat 5, so that the screen plate 20 can be replaced. Screen panels 20 with different sized screen openings may be selected according to the experimental needs of different materials.
As a specific embodiment of the grinding device provided by the present invention, please refer to fig. 2 to 4, the clamping seat 5 includes two clamping plates 503 and a connecting plate 502, the clamping plates 503 are in a semi-arc shape, one ends of the two clamping plates 503 are rotatably connected, the clamping plates 503 are provided with arc-shaped positioning slots 501, and the positioning slots 501 are used for inserting the sieve plate 20; the connecting plate 502 is arranged at the other end of the clamping plate 503, the connecting plate 502 is provided with a through hole, the two connecting plates 502 are connected through bolts and nuts, and the sieve plate 20 is limited in the positioning groove 501 by means of the bolts and nuts.
In this embodiment, be equipped with curved constant head tank 501 on the clamping board 503, two clamping board 503 one ends are rotated and are connected, and the other end is equipped with connecting plate 502, is equipped with the through-hole on the connecting plate 502, and the bolt is worn to be equipped with in the through-hole of two connecting plates 502, and the end that stretches out of bolt links to each other with the nut to fix two clamping board 503 together, two constant head tanks 501 have spliced into circular groove, and circular sieve 20 cartridge is in constant head tank 501, and when two clamping board 503 were fixed mutually, sieve 20 also was fixed.
As a specific embodiment of the grinding device provided by the present invention, please refer to fig. 2 to 4, the screw 7 is connected to the connecting rod 19, the connecting rod 19 is provided with a slot 1901, the clamping plate 503 is provided with an inserting plate 6, the inserting plate 6 is clamped with the slot 1901, and the clamping seat 5 is connected to the inserting plate 6 and the screw 7 by means of the slot 1901.
In this embodiment, when the screen plate 20 is installed between the two clamping plates 503, and the two clamping plates 503 are fixed by bolts and nuts, the whole clamping seat 5 is installed, and the insertion plate 6 of the clamping plate 503 is inserted into the slot 1901. When the plug board is required to be disassembled, the plug board 6 is taken out from the clamping groove 1901, and the disassembly and the assembly are convenient.
Referring to fig. 2 to 3, as an embodiment of the grinding device provided by the present invention, the pushing mechanism is an electric cylinder 18, the electric cylinder 18 is disposed in the housing 1, and a cylinder rod of the electric cylinder 18 is connected to the transition piece 9. The two transition pieces 9 are jointed and separated through the expansion and contraction of the cylinder rods of the two electric cylinders 18.
Referring to fig. 2, 3 and 5, as an embodiment of the polishing apparatus provided by the present invention, an electromagnet 8 is disposed in the transition piece 9, and the electromagnet 8 is used to make the two transition pieces 9 fit together more tightly.
In this embodiment, the electro-magnet 8 inlays and locates in transition piece 9, and when transition piece 9 laminating, two electro-magnets 8 circular telegram inter attraction for two transition piece 9 laminating are inseparabler, avoid the gap influence to grind. When the two transition pieces 9 are far away, the electromagnet 8 is powered off. And a hole circuit is arranged on the transition piece 9, so that the electric wire of the electromagnet 8 can be conveniently laid.
Referring to fig. 2 and 3, the grinding apparatus further includes a collecting cup 2, and the collecting cup 2 is disposed below the sieve plate 20 at the lower side and used for collecting the ground powder.
In this embodiment, be equipped with the water conservancy diversion fill 4 on the collection cup 2, make things convenient for the powder that upside sieve 20 dropped to fall into smoothly in collecting cup 2.
Referring to fig. 2 and 3, a weighing device 3 is disposed in the housing 1, and the collecting cup 2 is disposed on the weighing device 3.
In this embodiment, the controller is connected to the weighing device 3, the required dosage is set in advance, and when the weight of the powder in the collecting cup 2 reaches the set weight, the whole device stops to continue grinding and lights up to inform that the grinding is finished. The controller is electrically connected with the lamp body, so that the lamp can be lightened for prompting.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A grinding apparatus, comprising:
a housing provided with a flow inlet;
the first grinding head is internally provided with a channel, the channel is connected with the flow inlet, and the channel is internally provided with a control valve which is used for controlling the opening and closing of the channel;
the two sieve plates are arranged under the first grinding head at intervals, and the sieve plate positioned below is smaller than the sieve pore diameter of the sieve plate positioned above;
the two transition pieces are oppositely arranged between the two sieve plates and provided with receiving ends and grinding ends, the receiving ends of the two transition pieces are jointed to form a conical groove, and the two grinding ends are jointed to form a second grinding head;
the pushing mechanism is arranged in the shell, is connected with the transition pieces and is used for pushing the two transition pieces to attach and receive the powder ground above or separately guide and receive the powder to fall into the sieve plate below; and
and the driving mechanism is connected with the sieve plate and used for driving the sieve plate to move up and down to be attached to the corresponding first grinding head or second grinding head and driving the sieve plate to rotate and grind.
2. The abrading apparatus of claim 1, wherein the control valve comprises:
the ball body is arranged on the through hole, is rotatably arranged in the channel, and is provided with a rotating shaft which extends out of the first grinding head; and
and the first motor is arranged on the first grinding head, is connected with the rotating shaft and is used for driving the ball body to rotate.
3. The abrading apparatus of claim 1, wherein the drive mechanism comprises:
the first gear is rotatably arranged in the shell and is coaxially connected with a second motor;
the second gear is a ring gear and is rotatably arranged in the shell and meshed with the first gear;
the two third motors are symmetrically arranged on the second gear and are coaxially connected with the screw rod; and
the screen plate is connected with the two nuts through the screw rods in a one-to-one corresponding threaded manner.
4. A mill apparatus as claimed in claim 3, wherein the screen plate is connected to the nut by a clamping holder, the clamping holder being removably connected to the screen plate.
5. The abrading apparatus of claim 4, wherein the cartridge comprises:
the sieve plate fixing device comprises two clamping plates, wherein the two clamping plates are in a semi-arc shape, one ends of the two clamping plates are rotatably connected, arc-shaped positioning grooves are formed in the clamping plates, and the positioning grooves are used for inserting the sieve plate;
the connecting plate is arranged at the other end of the clamping plate and provided with a through hole, the two connecting plates are connected through bolts and nuts, and the sieve plate is limited in the positioning groove by means of the bolts and nuts.
6. The grinding device as claimed in claim 5, wherein the nut is connected with a connecting rod, the connecting rod is provided with a clamping groove, the clamping plate is provided with an inserting plate, the inserting plate is clamped with the clamping groove, and the clamping seat is connected with the nut through the clamping groove and the inserting plate.
7. The abrading apparatus of claim 1, wherein the ejection mechanism is a motorized cylinder disposed within the housing, a rod of the motorized cylinder being coupled to the transition member.
8. The abrading apparatus of claim 7, wherein an electromagnet is disposed within said transition piece, said electromagnet configured to cause said transition pieces to fit closer together.
9. A mill according to claim 1, further comprising a collection cup located below the screen on the underside for collecting milled powder.
10. A grinding apparatus as defined in claim 9 wherein a scale is provided within the housing, the collection cup being provided on the scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010401462.XA CN111495474B (en) | 2020-05-13 | 2020-05-13 | Grinding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010401462.XA CN111495474B (en) | 2020-05-13 | 2020-05-13 | Grinding device |
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| Publication Number | Publication Date |
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| CN111495474A true CN111495474A (en) | 2020-08-07 |
| CN111495474B CN111495474B (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010401462.XA Active CN111495474B (en) | 2020-05-13 | 2020-05-13 | Grinding device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES258850U (en) * | 1981-06-05 | 1981-12-16 | Pages Peret Antonio | Device for crushing solid materials (Machine-translation by Google Translate, not legally binding) |
| SU1727920A1 (en) * | 1989-09-11 | 1992-04-23 | Ю.Г. Петров | Aerator of aerosols |
| CN207563067U (en) * | 2017-11-16 | 2018-07-03 | 温晓楼 | A kind of ore pulverizer |
| CN108435357A (en) * | 2018-03-05 | 2018-08-24 | 湖南辉讯企业管理有限公司 | A kind of Chinese medicine processing unit (plant) of grinding screening one |
-
2020
- 2020-05-13 CN CN202010401462.XA patent/CN111495474B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES258850U (en) * | 1981-06-05 | 1981-12-16 | Pages Peret Antonio | Device for crushing solid materials (Machine-translation by Google Translate, not legally binding) |
| SU1727920A1 (en) * | 1989-09-11 | 1992-04-23 | Ю.Г. Петров | Aerator of aerosols |
| CN207563067U (en) * | 2017-11-16 | 2018-07-03 | 温晓楼 | A kind of ore pulverizer |
| CN108435357A (en) * | 2018-03-05 | 2018-08-24 | 湖南辉讯企业管理有限公司 | A kind of Chinese medicine processing unit (plant) of grinding screening one |
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| CN111495474B (en) | 2021-10-22 |
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