CN213000151U - Crusher capable of adjusting discharging fineness - Google Patents
Crusher capable of adjusting discharging fineness Download PDFInfo
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- CN213000151U CN213000151U CN202021278901.4U CN202021278901U CN213000151U CN 213000151 U CN213000151 U CN 213000151U CN 202021278901 U CN202021278901 U CN 202021278901U CN 213000151 U CN213000151 U CN 213000151U
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- 238000007599 discharging Methods 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 57
- 230000005611 electricity Effects 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 6
- 239000010419 fine particle Substances 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a crusher capable of adjusting the fineness of discharged materials, which comprises a supporting plate, a crushing structure and an adjustable crushing structure; a support plate: the front and back sides of the middle part of the upper surface of the supporting plate are symmetrically provided with supporting frames, the middle part of the right side of the upper surface of the supporting plate is provided with a supporting column, the upper end surface of the supporting column is fixedly connected with the right side of the bottom surface of the fixed plate, the middle parts of the front and back side surfaces of the supporting plate are symmetrically provided with vibrating motors, and four corners of the bottom surface of; crushing structure: the inner side end of the supporting frame is fixedly connected with the outer arc surface of the crushing structure; adjustable broken structure: the adjustable crushing structure is arranged in the middle of the upper surface of the supporting plate, and a feeding hole of the adjustable crushing structure is connected with a discharging hole of the crushing structure; wherein: still include control switch group, the front surface left side of backup pad is equipped with control switch group, should can adjust the breaker of ejection of compact fineness, and double crushing improves crushing efficiency, can select suitable ejection of compact fineness according to the demand.
Description
Technical Field
The utility model relates to a broken technical field specifically is a can adjust breaker of ejection of compact fineness.
Background
The mining machinery products are continuously increased, the requirements of people on mining equipment are also increased, the using amount of a PCL sand making machine of a crusher in society is also improved in a small range and gradually becomes a main product of part of enterprises, the social form is continuously improved along with the continuous progress of economy, the crusher is important to the economic construction, the economy can be continuously and successfully realized, the labor degree of people is effectively reduced, the reutilization of waste materials in the production of each department is important along with the rapid development of industry and the rapid reduction of resources, the reprocessing of the waste materials needs to be crushed by a crushing machine, therefore, the crushing machine plays an important role in a plurality of departments, but the existing crusher has a plurality of problems, the stability of the device is poor, the operation is complicated and simple, the crushing speed is low, the crushing efficiency is low, and the proper discharging fineness can not be selected according to the requirements, the material is collected inconveniently, has consequently proposed a can adjust the breaker of ejection of compact fineness.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a can adjust the breaker of ejection of compact fineness, the stability of device is good, the security is high, easy operation, crushing speed is fast, and double crushing improves crushing efficiency, and it is convenient to adjust, can select suitable ejection of compact fineness according to the demand, and the material of being convenient for is collected, improves machining efficiency, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a crusher capable of adjusting the fineness of discharged materials comprises a supporting plate, a crushing structure and an adjustable crushing structure;
a support plate: the front and back sides of the middle part of the upper surface of the supporting plate are symmetrically provided with supporting frames, the middle part of the right side of the upper surface of the supporting plate is provided with a supporting column, the upper end surface of the supporting column is fixedly connected with the right side of the bottom surface of the fixed plate, the middle parts of the front and back side surfaces of the supporting plate are symmetrically provided with vibrating motors, and four corners of the bottom surface of;
crushing structure: the inner side end of the supporting frame is fixedly connected with the outer arc surface of the crushing structure;
adjustable broken structure: the adjustable crushing structure is arranged in the middle of the upper surface of the supporting plate, and a feeding hole of the adjustable crushing structure is connected with a discharging hole of the crushing structure;
wherein: still include control switch group, the front surface left side of backup pad is equipped with control switch group, and external power source is connected to control switch group's input electricity, and vibrating motor's input is connected with control switch group's output electricity, and the stability of device is good, the security is high, easy operation, and crushing speed is fast, and dual breakage improves crushing efficiency, and it is convenient to adjust, can select suitable ejection of compact fineness according to the demand, and the material of being convenient for is collected, improves machining efficiency.
Further, the crushing structure includes electric liquid push rod, semicircle pressure head, stock chest, unloading pipe and apron, terminal surface fixed connection under the upper surface of fixed plate and the stiff end of electric liquid push rod, the flexible end of electric liquid push rod passes the plate body through-hole of fixed plate and is equipped with the semicircle pressure head in end department down, the flexible end of electric liquid push rod and the central slide opening sliding connection of apron, the bottom surface of apron is equipped with the rubber circle, the inboard end of support frame all with the extrados fixed connection of stock chest, semicircle pressure head and stock chest cooperation set up, the lower extreme discharge gate department of stock chest is equipped with the unloading pipe, the inside series connection of unloading pipe has the material valve, the input of electric liquid push rod is connected with the output electricity of control switch group, and is easy to operate, the material crushing of being convenient for, supplementary breakage.
Furthermore, the adjustable crushing structure comprises a grinding shell, a motor, a protrusion, an electric telescopic column, a grinding head, a vibrating plate and a discharging pipe, wherein the grinding shell is arranged in the middle of the upper surface of the supporting plate, a feeding port in the upper surface of the grinding shell is connected with a discharging port of the discharging pipe, the discharging pipe is arranged at the bottom end of the right side of the outer arc wall of the grinding shell, a pipe valve is connected in series inside the discharging pipe, the electric telescopic column is arranged in the middle of the bottom surface of the supporting plate, the telescopic end of the electric telescopic column penetrates through a plate body sliding hole of the supporting plate and is provided with the motor at the upper end, the grinding head is arranged on the upper end surface of an output shaft of the motor, the protrusion which is uniformly distributed is arranged on the outer arc surface of the grinding head, the vibrating plate is obliquely arranged at the bottom end inside the grinding shell from right to left, the lower end surface of, the input of motor and electronic flexible post all is connected with control switch group's output electricity, and it is convenient to adjust, can select suitable ejection of compact fineness according to the demand, and crushing efficiency is high, and the material of being convenient for is collected, improves machining efficiency.
Furthermore, the supporting frame also comprises reinforcing ribs, and the reinforcing ribs are arranged on the inner surface of the vertical plate body of the supporting frame to provide stable support.
Furthermore, the grinding head also comprises bulges, and the bulges are uniformly distributed on the outer arc surface of the grinding head, so that the crushing efficiency is improved.
Compared with the prior art, the beneficial effects of the utility model are that: this can adjust breaker of ejection of compact fineness has following benefit:
1. firstly, place the device on level and smooth ground through the shock attenuation board of supporting leg lower extreme, guarantee the stability of device, make vibrating motor operation produce mechanical vibration through control switch group, and then make broken material flow in outside collecting box fast through the vibration, the material of being convenient for is collected, improves device stability, improves machining efficiency.
2. Close the intramural material valve of unloading, the inside of storage tank is put into to the material that will break, impresses the lower extreme rubber circle of apron in the storage tank, and the departure when avoiding the material breakage makes the flexible end extension of electric liquid push rod through control switch group, and then promotes the semicircle pressure head and pushes down, relapses a lot of extrusion, with the material crushing of storage tank, easy operation, the material breakage of being convenient for, crushing efficiency is high, the security of improving device.
3. The discharge port at the lower end of the discharge pipe is connected with an external collection box, the motor is operated by a control switch group, an output shaft rotates to drive a grinding head to rotate, the crushed materials are extruded and ground by a protrusion on the grinding head and a grinding shell and are crushed into fine particles, and then the fine particles flow out from the gap between the grinding head and the grinding shell, the crushing efficiency is high, the application range is wide, the crushing quality is ensured, the electric telescopic column is extended by the control switch group, a pushing motor moves upwards to push the grinding head to move upwards for grinding, so that the gap between the grinding head and the grinding shell is reduced, the flowing particles are reduced, the electric telescopic column contracts by the control switch group, a pulling motor moves downwards to pull the grinding head to move downwards, the gap between the grinding head and the grinding shell is enlarged, the large-particle materials can flow out conveniently, and the height of the electric telescopic, come the fineness of adjusting the material outflow, it is convenient to adjust, can select suitable ejection of compact fineness according to the demand, and crushing efficiency is high, and broken good material falls on the upper surface of vibration board, opens the pipe valve in the discharging tube, and then makes broken good material flow in outside collecting box from the discharging tube through the vibration fast, and the material of being convenient for is collected, improves machining efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is the schematic view of the internal section of the adjustable crushing structure of the present invention.
In the figure: 1 supporting plate, 2 supporting columns, 3 fixing plates, 4 supporting frames, 5 crushing structures, 51 electro-hydraulic push rods, 52 semicircular pressure heads, 53 material storage tanks, 54 discharging pipes, 55 cover plates, 6 adjustable crushing structures, 61 grinding shells, 62 motors, 63 protrusions, 64 electric telescopic columns, 65 grinding heads, 66 vibrating plates, 67 discharging pipes, 7 control switch groups, 8 vibrating motors, 9 supporting legs, 10 reinforcing ribs and 11 damping plates.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a crusher capable of adjusting the fineness of discharged materials comprises a supporting plate 1, a crushing structure 5 and an adjustable crushing structure 6;
supporting plate 1: the front side and the rear side of the middle part of the upper surface of the supporting plate are symmetrically provided with supporting frames 4, the supporting frames 4 are used for supporting connection, the middle part of the right side of the upper surface of the supporting plate 1 is provided with a supporting column 2, the supporting plate 1 is used for providing an installation and fixing place, the upper end surface of the supporting column 2 is fixedly connected with the right side of the bottom surface of the fixing plate 3, the supporting column 2 is used for providing stable support, the fixing plate 3 is used for providing an installation and fixing place, the middle parts of the front side surface and the rear side;
crushing structure 5: the crushing structure 5 comprises an electro-hydraulic push rod 51, a semicircular pressure head 52, a material storage tank 53, a discharging pipe 54 and a cover plate 55, the upper surface of the fixed plate 3 is fixedly connected with the lower end face of the fixed end of the electro-hydraulic push rod 51, the telescopic end of the electro-hydraulic push rod 51 penetrates through a plate body through hole of the fixed plate 3, the semicircular pressure head 52 is arranged at the lower end, the telescopic end of the electro-hydraulic push rod 51 is slidably connected with a central slide hole of the cover plate 55, a rubber ring is arranged at the bottom face of the cover plate 55, the inner side end of the support frame 4 is fixedly connected with the outer arc face of the material storage tank 53, the semicircular pressure head 52 and the material storage tank 53 are arranged in a matched mode, a discharging pipe 54 is arranged at the lower end of the material storage tank 53, a material valve is connected in series inside the discharging pipe 54, the material valve in the discharging pipe 54 is closed, and a material to be crushed, the telescopic end of the electro-hydraulic push rod 51 is extended by controlling the switch group 7, so that the semicircular pressure head 52 is pushed to press downwards, repeated extrusion is carried out for multiple times, the material in the storage tank 53 is crushed, the operation is simple, the material crushing is convenient, the auxiliary crushing is carried out, and the crushing efficiency is improved;
adjustable broken structure 6: the adjustable crushing structure 6 comprises a grinding shell 61, a motor 62, a protrusion 63, an electric telescopic column 64, a grinding head 65, a vibrating plate 66 and a discharging pipe 67, the grinding shell 61 is arranged in the middle of the upper surface of the supporting plate 1, the upper surface feeding port of the grinding shell 61 is connected with the discharging port of the discharging pipe 54, the discharging pipe 67 is arranged at the bottom end of the right side of the outer arc wall of the grinding shell 61, a pipe valve is connected in series inside the discharging pipe 67, the electric telescopic column 64 is arranged in the middle of the bottom surface of the supporting plate 1, the telescopic end of the electric telescopic column 64 penetrates through a plate body sliding hole of the supporting plate 1, the motor 62 is arranged at the upper end of an output shaft of the motor 62, the grinding head 65 is provided with the protrusions 63 which are uniformly distributed, the vibrating plate 66 is obliquely arranged at the bottom end inside the grinding shell 61 from right to left, the lower end face of the left side of the vibrating plate 66 is fixedly connected with the left side of the upper surface of the supporting plate 1, the telescopic end of the electric telescopic column 64 penetrates through a middle round hole of the vibrating plate 66, a sealing ring is arranged in the middle round hole of the vibrating plate 66, a lower end discharge port of a discharge pipe 67 is connected with an external collection box, a motor 62 is operated through a control switch group 7, an output shaft rotates to drive a protrusion 63 and the electric telescopic column 64 to rotate, so that a grinding head 65 rotates, a material valve in a discharging pipe 54 is opened, crushed materials flow into a grinding shell 61, the crushed materials are crushed into fine particles through extrusion grinding of the protrusion 63 on the grinding head 65 and the grinding shell 61, and then the fine particles flow out from a gap between the grinding head 65 and the grinding shell 61, the crushing efficiency is high, the application range is wide, the crushing quality is ensured, the electric telescopic column 64 is extended through the control switch group 7, and the, the particles flowing out can also be reduced, the electric telescopic column 64 is contracted by controlling the switch group 7, and the grinding head 65 is further pulled to move downwards, so that the gap between the grinding head 65 and the grinding shell 61 is enlarged, large-particle materials can conveniently flow out, the fineness of the flowing out of the materials is adjusted by adjusting the height of the electric telescopic column 64, the crushed materials fall on the upper surface of the vibrating plate 66, a pipe valve in the discharge pipe 67 is opened, the crushed materials can further flow into an external collection box through the discharge pipe 67, the adjustment is convenient, the proper discharge fineness can be selected according to requirements, the crushing efficiency is high, the material collection is facilitated, and the processing efficiency is improved;
wherein: still include control switch group 7, the front surface left side of backup pad 1 is equipped with control switch group 7, and external power source is connected to control switch group 7's input electricity, and vibrating motor 8, electric liquid push rod 51, motor 62 and the input of electronic flexible post 64 all are connected with control switch group 7's output electricity.
Wherein: the support frame also comprises reinforcing ribs 10, and the reinforcing ribs 10 are arranged on the inner surface of the vertical plate body of the support frame 4 to provide stable support.
Wherein: still include damping plate 11, the lower end of supporting leg 9 is connected with corresponding damping plate 11 upper surface fixed respectively, and damping plate 11 reduces mechanical vibration.
When in use: firstly, the device is placed on a flat ground through the damping plate 11 at the lower end of the supporting leg 9, the stability of the device is ensured, the mechanical vibration is reduced, the lower end discharge port of the discharge pipe 67 is connected with an external collection box, a material valve in the discharge pipe 54 is closed, materials to be crushed are placed in the storage tank 53, the lower end rubber ring of the cover plate 55 is pressed into the storage tank 53, the materials are prevented from flying out when being crushed, the safety of the device is improved, the telescopic end of the electro-hydraulic push rod 51 is extended through the control switch group 7, the semicircular pressure head 52 is further pushed to press downwards, repeated multiple times of extrusion are carried out, the materials in the storage tank 53 are crushed, the operation is simple, the materials are conveniently crushed, the crushing efficiency is high, the motor 62 is operated through the control switch group 7, the output shaft rotates to drive the grinding head 65 to rotate, the material valve in the discharge pipe 54 is opened, the crushed materials flow into the grinding shell 61, the grinding head 65 and the grinding shell 61 are crushed into fine particles and then flow out from the gap between the grinding head 65 and the grinding shell 61, the crushing efficiency is high, the application range is wide, the crushing quality is ensured, the electric telescopic column 64 is extended by controlling the switch group 7, the pushing motor 62 moves upwards and then pushes the grinding head 65 to move upwards for grinding, so that the gap between the grinding head 65 and the grinding shell 61 is reduced, the flowing particles are reduced, the electric telescopic column 64 is contracted by controlling the switch group 7, the pulling motor 62 moves downwards and then pulls the grinding head 65 to move downwards, so that the gap between the grinding head 65 and the grinding shell 61 is increased, large-particle materials can conveniently flow out, the fineness of the flowing materials is adjusted by adjusting the height of the electric telescopic column 64, the adjustment is convenient, the proper discharging fineness can be selected according to requirements, the crushing efficiency is high, the crushed materials fall on the upper surface of the vibrating plate 66, the vibrating motor 8 is operated to generate mechanical, the pipe valve in the discharge pipe 67 is opened, so that the crushed materials flow into the external collection box from the discharge pipe 67 quickly through vibration, the materials are convenient to collect, and the processing efficiency is improved.
It should be noted that the vibration motor 8 disclosed in this embodiment may be a vibration motor of model YZD-15-2 from macroda vibration equipment ltd, new country, the electro-hydraulic push rod 51 may be an electro-hydraulic push rod of model DYTP1000 from yao electro-hydraulic push rod factory, the motor 62 may be a three-phase asynchronous motor of model Y from liangshan electric motor ltd, the electric telescopic column 64 may be an electric push rod of model DTZ1000 from yao electro-hydraulic push rod factory, and the control switch group 7 controls the vibration motor 8, the electro-hydraulic push rod 51, the motor 62, and the electric telescopic column 64 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a can adjust breaker of ejection of compact fineness which characterized in that: comprises a supporting plate (1), a crushing structure (5) and an adjustable crushing structure (6);
support plate (1): the front and back sides of the middle part of the upper surface of the supporting plate are symmetrically provided with supporting frames (4), the middle part of the right side of the upper surface of the supporting plate (1) is provided with a supporting column (2), the upper end surface of the supporting column (2) is fixedly connected with the right side of the bottom surface of the fixing plate (3), the middle parts of the front and back side surfaces of the supporting plate (1) are symmetrically provided with vibrating motors (8), and four corners of the bottom surface of the supporting plate (1);
crush structure (5): the inner side end of the support frame (4) is fixedly connected with the outer cambered surface of the crushing structure (5);
adjustable crushing structure (6): the adjustable crushing structure is arranged in the middle of the upper surface of the supporting plate (1), and a feeding hole of the adjustable crushing structure (6) is connected with a discharging hole of the crushing structure (5);
wherein: still include control switch group (7), the front surface left side of backup pad (1) is equipped with control switch group (7), and external power source is connected to the input electricity of control switch group (7), and the input of vibrating motor (8) is connected with the output electricity of control switch group (7).
2. Crusher capable of adjusting the fineness of the discharged material according to claim 1, characterized in that: the crushing structure (5) comprises an electro-hydraulic push rod (51), a semicircular pressure head (52), a storage tank (53), a blanking pipe (54) and a cover plate (55), the upper surface of fixed plate (3) and the stiff end of electricity liquid push rod (51) terminal surface fixed connection down, the flexible end of electricity liquid push rod (51) passes the plate body through-hole of fixed plate (3) and is equipped with semicircle pressure head (52) in end department down, the flexible end of electricity liquid push rod (51) and the center slide opening sliding connection of apron (55), the bottom surface of apron (55) is equipped with the rubber circle, the inboard end of support frame (4) all with the extrados fixed connection of stock chest (53), semicircle pressure head (52) and stock chest (53) cooperation set up, the lower extreme discharge gate department of stock chest (53) is equipped with unloading pipe (54), the inside series connection of unloading pipe (54) has the material valve, the input of electricity liquid push rod (51) is connected with the output electricity of control switch group (7).
3. Crusher capable of adjusting the fineness of the discharged material according to claim 2, characterized in that: the adjustable crushing structure (6) comprises a grinding shell (61), a motor (62), a protrusion (63), an electric telescopic column (64), a grinding head (65), a vibrating plate (66) and a discharging pipe (67), wherein the grinding shell (61) is arranged in the middle of the upper surface of the supporting plate (1), a feeding port in the upper surface of the grinding shell (61) is connected with a discharging port of the discharging pipe (54), the discharging pipe (67) is arranged at the bottom end of the right side of the outer arc wall of the grinding shell (61), a pipe valve is connected in series inside the discharging pipe (67), the electric telescopic column (64) is arranged in the middle of the bottom surface of the supporting plate (1), the telescopic end of the electric telescopic column (64) penetrates through a plate body sliding hole of the supporting plate (1) and is provided with the motor (62) at the upper end, the upper end surface of an output shaft of the motor (62) is provided with the grinding head (65), the protrusions (63) are uniformly distributed on the outer arc surface of the grinding, the left side lower end face of the vibrating plate (66) is fixedly connected with the left side of the upper surface of the supporting plate (1), the telescopic end of the electric telescopic column (64) penetrates through a middle round hole of the vibrating plate (66), a sealing ring is arranged in the middle round hole of the vibrating plate (66), and the input ends of the motor (62) and the electric telescopic column (64) are electrically connected with the output end of the control switch group (7).
4. Crusher capable of adjusting the fineness of the discharged material according to claim 1, characterized in that: the support frame is characterized by further comprising reinforcing ribs (10), wherein the reinforcing ribs (10) are arranged on the inner surface of the vertical plate body of the support frame (4).
5. Crusher capable of adjusting the fineness of the discharged material according to claim 1, characterized in that: the support leg is characterized by further comprising a damping plate (11), and the lower end heads of the support legs (9) are fixedly connected with the upper surface of the corresponding damping plate (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021278901.4U CN213000151U (en) | 2020-07-01 | 2020-07-01 | Crusher capable of adjusting discharging fineness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021278901.4U CN213000151U (en) | 2020-07-01 | 2020-07-01 | Crusher capable of adjusting discharging fineness |
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| Publication Number | Publication Date |
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| CN213000151U true CN213000151U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021278901.4U Expired - Fee Related CN213000151U (en) | 2020-07-01 | 2020-07-01 | Crusher capable of adjusting discharging fineness |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856872A (en) * | 2021-10-08 | 2021-12-31 | 江苏一环集团有限公司 | Desulfurization and denitrification catalyst grinding system and grinding method |
| CN114433278A (en) * | 2021-12-31 | 2022-05-06 | 李凌蔚 | Medicine grinding device for department of pediatrics |
-
2020
- 2020-07-01 CN CN202021278901.4U patent/CN213000151U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856872A (en) * | 2021-10-08 | 2021-12-31 | 江苏一环集团有限公司 | Desulfurization and denitrification catalyst grinding system and grinding method |
| CN113856872B (en) * | 2021-10-08 | 2022-09-23 | 江苏一环集团有限公司 | Desulfurization and denitrification catalyst grinding system and grinding method |
| CN114433278A (en) * | 2021-12-31 | 2022-05-06 | 李凌蔚 | Medicine grinding device for department of pediatrics |
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Granted publication date: 20210420 |