CN110270392A - A kind of mica sheet crushing grinding integration apparatus - Google Patents

A kind of mica sheet crushing grinding integration apparatus Download PDF

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Publication number
CN110270392A
CN110270392A CN201910538526.8A CN201910538526A CN110270392A CN 110270392 A CN110270392 A CN 110270392A CN 201910538526 A CN201910538526 A CN 201910538526A CN 110270392 A CN110270392 A CN 110270392A
Authority
CN
China
Prior art keywords
chamber
grinding
mica sheet
integration apparatus
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910538526.8A
Other languages
Chinese (zh)
Inventor
陈舟
钟媚霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pingjiang Huiyuan Mica Product Co Ltd
Original Assignee
Pingjiang Huiyuan Mica Product Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pingjiang Huiyuan Mica Product Co Ltd filed Critical Pingjiang Huiyuan Mica Product Co Ltd
Priority to CN201910538526.8A priority Critical patent/CN110270392A/en
Publication of CN110270392A publication Critical patent/CN110270392A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00Crushing or disintegrating by reciprocating members
    • B02C1/14Stamping mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/141Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with axial flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/24Drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2/00Crushing or disintegrating by gyratory or cone crushers
    • B02C2/10Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/02Feeding devices

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention discloses a kind of mica sheet crushing grinding integration apparatus, it includes rack, and the upper end is provided with material pushing box;Material pushing box left upper end is provided with lower hopper;Material pushing box bottom righthand side is provided with feed-crushing bucket;The first spiral propeller is provided in material pushing box;It is connected between the shaft and first motor of first spiral propeller by the first drive belt;The top of Material disintegrator main body is arranged in feed-crushing bucket;Material disintegrator body interior is provided with coarse crushing mechanism;Attritioning mechanism is provided with below coarse crushing mechanism;Material disintegrator body discharge port is arranged in feed box left upper end;The second spiral propeller is provided in feed box;It is connected between the shaft of second spiral propeller and the second motor by the second drive belt;Feed box bottom righthand side is provided with discharge bucket.The object of the present invention is to provide a kind of mica sheet crushing grinding integration apparatus, by the way of graded crushing, improve crushing efficiency, reduce the loss to equipment, smoothly can be fed and discharge, reduce impact force when blanking, protect equipment.

Description

A kind of mica sheet crushing grinding integration apparatus
Technical field
The invention belongs to mica processing technique field, specially a kind of mica sheet crushing grinding integration apparatus.
Background technique
Mica paper is using mica mineral as raw material, with the vehicle that chemical pulping or hydraulic slurrying are slower in cylinder mould machine It is copied into paper roll under speed, then cuts into roll web or sheet paper.Mica paper have heat resistance, water resistance, chemical stability, rich in bullet The excellent properties such as property, high fissility, very big fingerprinting stress and tensile strength, it is electrically exhausted to be widely used in running motor at present Edge field.
The production process of mica paper mainly includes seven steps, is crushing respectively, classification, slurrying, manufactures paper with pulp, forms, squeezing And drying.
Crusher currently used for mica material mostly uses greatly common mineral crusher, since the hardness and toughness of mica are than general Logical minerals want high, therefore, when being crushed mica using common mineral crusher, are easy to damage equipment.
Summary of the invention
The purpose of the present invention is in view of the above problems, a kind of mica sheet crushing grinding integration apparatus is provided, using classification Broken mode improves crushing efficiency, reduces the loss to equipment, smoothly can be fed and discharge, when reducing blanking Impact force, protect equipment.
In order to achieve the above object, the technical solution adopted by the present invention is that: it includes rack, and the upper end is provided with shell, shell The left upper end of body is provided with feed hopper, and the inlet of feeding chamber upper end is arranged in the discharge port of feed hopper, and feeding is intracavitary to be provided with Feeding mechanism;The outlet of feeding chamber is mutually communicated with crusher chamber, and crushing mechanism, the discharge port of crushing mechanism are provided in crusher chamber It is mutually communicated with chamber is rubbed, rubbing is intracavitary to be provided with rubbing mechanism, and the discharge port and grinding chamber for rubbing chamber are mutually communicated, grinding chamber It is inside provided with grinding mechanism, discharge port and the transmission cavity of grinding chamber are mutually communicated, and material output mechanism is provided in transmission cavity, are passed The discharge port of defeated chamber is provided with discharge bucket.
Further, feeding mechanism includes first rotating shaft, is provided with screw propulsion blade in first rotating shaft, first rotating shaft with It is connected by belt pulley with drive belt between the output shaft of first motor.
Further, crushing mechanism includes broken driving mechanism and broken ontology, and it is more and equidistant for being crushed the quantity of ontology It is mounted on seat board, broken driving mechanism, which is used to be crushed ontology to move up and down in crusher chamber, carries out precrushing for mica sheet, breaks Broken driving mechanism is arranged in driving chamber, the bottom of crusher chamber and is being provided with liner plate being located at immediately below broken ontology.
Further, broken ontology includes cracking hammer head, the body of rod, end and reset spring, and the both ends of the body of rod are separately connected Cracking hammer head and end, reset spring are set on the body of rod, and the upper end of reset spring is contacted with the bottom of end, reset spring Lower end is arranged in the groove of seat board upper end.
Further, the bottom of seat board is provided with the notch for being stored after cracking hammer head reset.
Further, broken driving mechanism includes drive shaft, the output shaft drive connection of drive shaft and decelerating motor, driving It is provided with slide block corresponding with broken ontology on axis, is to shift to install between adjacent slide block.
Further, rubbing mechanism includes rubbing shaft, rubs and is provided with helical form rubbing blade in shaft.
Further, it rubs between mechanism and vertical transmission pole and passes through helical teeth between vertical transmission pole and drive shaft Wheel connection, the helical gear rubbed between mechanism and vertical transmission pole are arranged in cavity.
Further, grinding mechanism includes interior grinding head and external bushing, shaft and the second motor of interior grinding head bottom Output shaft is drivingly connected, and the upper end that external bushing is is cone, and interior grinding head is cylindrical structure, and bottom is provided in grinding chamber Stock guide is tilted, the second motor is arranged in cabinet.
Further, material output mechanism includes material output shaft, and spiral output blade, object are provided on material output shaft Material output shaft is connect with third motor driven, and the setting of third motor is intracavitary in protection.
Beneficial effects of the present invention: the present invention provides a kind of mica sheet crushing grinding integration apparatus, broken using classification Broken mode, improves crushing efficiency, reduces the loss to equipment, smoothly can be fed and discharge, when reducing blanking Impact force protects equipment.
The present invention provides a kind of mica sheet crushing grinding integration apparatus, it is crushed and grinding uses continuous operations, mention The high production efficiency of product.
The present invention provides a kind of mica sheet crushing grinding integration apparatus, rubs mechanism and broken driving mechanism shares one A decelerating motor, has saved cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the cross section view that ontology is crushed in the present invention.
Label character described in figure indicates are as follows: 1, rack;2, stock guide is tilted;3, external bushing;4, interior grinding head;5, it grinds Chamber;6, mechanism is rubbed;7, crusher chamber;8, first rotating shaft;9, screw propulsion blade;10, first motor;11, feeding chamber;12, into Hopper;13, decelerating motor;14, seat board;15, slide block;16, notch;17, drive shaft;18, driving chamber;19, it is crushed ontology; 20, liner plate;21, vertical transmission pole;22, it rubs;23, shaft is rubbed;24, cavity;25, cabinet;26, third motor;27, it discharges Bucket;28, chamber is protected;29, material output shaft;30, the second motor.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing to the present invention into Row detailed description, the description of this part be only it is exemplary and explanatory, should not have any limitation to protection scope of the present invention Effect.
As Figure 1-Figure 2, specific structure of the invention are as follows: it includes rack 1, and the upper end is provided with shell, shell Left upper end is provided with feed hopper 12, and the discharge port of feed hopper 12 is arranged in the inlet of 11 upper end of feeding chamber, sets in feeding chamber 11 It is equipped with feeding mechanism;The outlet of feeding chamber is mutually communicated with crusher chamber 7, and crushing mechanism is provided in crusher chamber 7, crushing mechanism Discharge port is mutually communicated with chamber 22 is rubbed, and is rubbed to be provided in chamber 22 and is rubbed mechanism 6, rubs the discharge port and grinding chamber 5 of chamber 22 It is mutually communicated, grinding mechanism is provided in grinding chamber 5, discharge port and the transmission cavity of grinding chamber 5 are mutually communicated, setting in transmission cavity There is material output mechanism, the discharge port of transmission cavity is provided with discharge bucket 27.Preferably, feeding mechanism includes first rotating shaft 8, and first It is provided with screw propulsion blade 9 in shaft 8, passes through belt pulley and driving between first rotating shaft 8 and the output shaft of first motor 10 Belt connection.
Preferably, crushing mechanism includes broken driving mechanism and broken ontology 19, and the quantity of broken ontology 19 is more and waits Away from being mounted on seat board 14, broken driving mechanism is moved up and down in crusher chamber 7 by mica sheet progress in advance for being crushed ontology 19 It is broken, it is crushed driving mechanism and is arranged in driving chamber 18, the bottom of crusher chamber 7 and be arranged in the underface for being located at broken ontology 19 There is liner plate 20.
Preferably, being crushed ontology 19 includes cracking hammer head 1901, the body of rod 1902, end 1903 and reset spring 1904, bar The both ends of body 1902 are separately connected cracking hammer head 1901 and end 1903, and reset spring 1904 is set on the body of rod 1902, reset The upper end of spring 1904 is contacted with the bottom of end 1903, and the groove of 14 upper end of seat board is arranged in the lower end of reset spring 1904 In 1401.
Preferably, the bottom of seat board 14 is provided with the notch 16 for being stored after the reset of cracking hammer head 1901.
Preferably, broken driving mechanism includes drive shaft 17, and drive shaft 17 and the output shaft of decelerating motor 13 are drivingly connected, It is provided with slide block 15 corresponding with broken ontology 19 in drive shaft 17, is to shift to install between adjacent slide block 15.
Preferably, rubbing mechanism 6 includes rubbing shaft 23, rubs and is provided with helical form rubbing blade 6 in shaft 23.
Preferably, it rubs between mechanism 6 and vertical transmission pole 21 and leads between vertical transmission pole 21 and drive shaft 17 Helical gear connection is crossed, the helical gear rubbed between mechanism 6 and vertical transmission pole 21 is arranged in cavity 24.
Preferably, grinding mechanism includes interior grinding head 4 and external bushing 3, the shaft and the second motor 30 of interior 4 bottom of grinding head Output shaft be drivingly connected, the upper end that external bushing 3 is is cone, and interior grinding head 4 is cylindrical structure, bottom in grinding chamber 5 It is provided with inclination stock guide 2, the second motor 30 is arranged in cabinet 25.
Preferably, material output mechanism includes material output shaft 29, and spiral output blade is provided on material output shaft 29, Material output shaft 29 and third motor 26 are drivingly connected, and the setting of third motor 26 is in protection chamber 28.
When specifically used, synthetic mica piece is put into feed hopper 12 as shown in Figure 1:, and first motor 10 drives first turn Axis 8 and screw propulsion blade 9 rotate, and are transported to synthetic mica piece in crusher chamber 7, and decelerating motor 13 drives drive shaft 17 and dials Motion block 15 rotates, and slide block 15 stirs broken ontology 19 and moves up and down, and is crushed during ontology 19 moves up and down to synthetic mica Piece is crushed, and broken material is fallen in storage cavity 31, and while broken, drive shaft 17 drives vertical transmission pole 21 to revolve Turn, vertical transmission pole 21 by helical gear drive rub shaft 23 and rub mechanism 6 rotate, rub mechanism 6 rotation while pair Mica sheet further rubs, while mica sheet being driven to be transported in grinding chamber 5, and the second motor 30 drives interior grinding head 4 to be revolved Turn, to complete the grinding of mica sheet, the mica material of grinding is transported under the action of third motor 26 and material output shaft 29 Discharge bucket 27 finally is completed to discharge by discharge bucket 27.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic Element.
Used herein a specific example illustrates the principle and implementation of the invention, the explanation of above example It is merely used to help understand method and its core concept of the invention.The above is only a preferred embodiment of the present invention, it answers When pointing out due to the finiteness of literal expression, and objectively there is unlimited specific structure, for the common skill of the art For art personnel, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, can also incited somebody to action Above-mentioned technical characteristic is combined in the right way;These improve retouching, variation or combination, or the not improved structure by invention Think and technical solution directly applies to other occasions, is regarded as protection scope of the present invention.

Claims (10)

1. a kind of mica sheet crushing grinding integration apparatus, which is characterized in that it includes rack (1), and the upper end is provided with shell, The left upper end of shell is provided with feed hopper (12), and the discharge port of feed hopper (12) is arranged in the inlet of feeding chamber (11) upper end, Feeding mechanism is provided in feeding chamber (11);The outlet of feeding chamber is mutually communicated with crusher chamber (7), is provided in crusher chamber (7) Crushing mechanism, the discharge port of crushing mechanism are mutually communicated with chamber (22) are rubbed, and are rubbed to be provided in chamber (22) and are rubbed mechanism (6), The discharge port for rubbing chamber (22) is mutually communicated with grinding chamber (5), and grinding mechanism is provided in grinding chamber (5), and grinding chamber (5) goes out Material mouth is mutually communicated with transmission cavity, and material output mechanism is provided in transmission cavity, and the discharge port of transmission cavity is provided with discharge bucket (27).
2. a kind of mica sheet crushing grinding integration apparatus according to claim 1, which is characterized in that feeding mechanism includes First rotating shaft (8) is provided with screw propulsion blade (9) in first rotating shaft (8), and first rotating shaft (8) is defeated with first motor (10) It is connected by belt pulley with drive belt between shaft.
3. a kind of mica sheet crushing grinding integration apparatus according to claim 1, which is characterized in that crushing mechanism includes Broken driving mechanism and broken ontology (19), the quantity of broken ontology (19) is more and is equidistantly mounted on seat board (14), is crushed Mica sheet is carried out precrushing in interior move up and down of crusher chamber (7) for being crushed ontology (19) by driving mechanism, is crushed driving mechanism Setting the bottom of crusher chamber (7) and is being provided with liner plate (20) being located at immediately below broken ontology (19) in the driving chamber (18).
4. a kind of mica sheet crushing grinding integration apparatus according to claim 3, which is characterized in that broken ontology (19) Including cracking hammer head (1901), the body of rod (1902), end (1903) and reset spring (1904), the both ends of the body of rod (1902) are distinguished It connects cracking hammer head (1901) and end (1903), reset spring (1904) is set on the body of rod (1902), reset spring (1904) upper end is contacted with the bottom of end (1903), and the lower end of reset spring (1904) is arranged in the recessed of seat board (14) upper end In slot (1401).
5. a kind of mica sheet crushing grinding integration apparatus according to claim 4, which is characterized in that the bottom of seat board (14) Portion is provided with the notch (16) for being stored after cracking hammer head (1901) reset.
6. a kind of mica sheet crushing grinding integration apparatus according to any one of claim 3-5, which is characterized in that Broken driving mechanism includes drive shaft (17), the output shaft drive connection of drive shaft (17) and decelerating motor (13), drive shaft (17) it is provided with slide block (15) corresponding with broken ontology (19) on, is to shift to install between adjacent slide block (15).
7. a kind of mica sheet crushing grinding integration apparatus according to claim 1, which is characterized in that rub mechanism (6) Including rubbing shaft (23), rubs and be provided with helical form rubbing blade (6) on shaft (23).
8. a kind of mica sheet crushing grinding integration apparatus according to claim 1, which is characterized in that rub mechanism (6) It is connect by helical gear between vertical transmission pole (21) and between vertical transmission pole (21) and drive shaft (17), pulverizer Helical gear setting between structure (6) and vertical transmission pole (21) is in cavity (24).
9. a kind of mica sheet crushing grinding integration apparatus according to claim 1, which is characterized in that grinding mechanism includes Interior grinding head (4) and external bushing (3), the shaft of interior grinding head (4) bottom and the output shaft of the second motor (30) are drivingly connected, outside The upper end that bushing (3) is is cone, and interior grinding head (4) is cylindrical structure, and grinding chamber (5) interior bottom is provided with inclination guide Plate (2), the second motor (30) setting is in cabinet (25).
10. a kind of mica sheet crushing grinding integration apparatus according to claim 1, which is characterized in that material exports machine Structure includes material output shaft (29), and spiral output blade, material output shaft (29) and third are provided on material output shaft (29) Motor (26) is drivingly connected, and third motor (26) setting is in protection chamber (28).
CN201910538526.8A 2019-06-20 2019-06-20 A kind of mica sheet crushing grinding integration apparatus Pending CN110270392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910538526.8A CN110270392A (en) 2019-06-20 2019-06-20 A kind of mica sheet crushing grinding integration apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910538526.8A CN110270392A (en) 2019-06-20 2019-06-20 A kind of mica sheet crushing grinding integration apparatus

Publications (1)

Publication Number Publication Date
CN110270392A true CN110270392A (en) 2019-09-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110638652A (en) * 2019-10-08 2020-01-03 西南医科大学附属医院 Paediatrics nursing safety medicine feed ware
CN111744587A (en) * 2020-06-28 2020-10-09 台州四强新型建材有限公司 Raw material classification device of recycled concrete

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204892040U (en) * 2015-06-24 2015-12-23 余苏祥 Ceramic manufacture uses high -efficient rubbing crusher
CN207342758U (en) * 2017-10-20 2018-05-11 中国人民解放军第三军医大学 A kind of chemical experiment particulate abrasive device
CN207769862U (en) * 2017-12-10 2018-08-28 四川天鸿建设有限公司 A kind of solid waste treatment facility that crush efficiency is high
CN207856984U (en) * 2017-12-28 2018-09-14 江西辰鑫科技有限公司 A kind of corrugated paper multiple stage crushing reclaimer
CN207942607U (en) * 2017-12-19 2018-10-09 四川宜安达包装生产有限公司 A kind of recycled plastic granulation device
CN108722547A (en) * 2018-06-11 2018-11-02 怀宁县恒源再生科技有限公司 A kind of waste and old material reclaimer
CN108890928A (en) * 2018-08-24 2018-11-27 陈丹丹 A kind of plastic garbage crushing device
CN109174264A (en) * 2018-07-11 2019-01-11 盐城康鼎机械有限公司 A kind of regeneration concrete grinding device
CN208679259U (en) * 2018-05-24 2019-04-02 广东生命一号药业股份有限公司 A kind of water-honeyed pill crushing grinding device
CN208912164U (en) * 2018-09-01 2019-05-31 登封市盛隆陶瓷特材有限公司 A kind of Glaze of Sanitary Ware powder tinuous production

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204892040U (en) * 2015-06-24 2015-12-23 余苏祥 Ceramic manufacture uses high -efficient rubbing crusher
CN207342758U (en) * 2017-10-20 2018-05-11 中国人民解放军第三军医大学 A kind of chemical experiment particulate abrasive device
CN207769862U (en) * 2017-12-10 2018-08-28 四川天鸿建设有限公司 A kind of solid waste treatment facility that crush efficiency is high
CN207942607U (en) * 2017-12-19 2018-10-09 四川宜安达包装生产有限公司 A kind of recycled plastic granulation device
CN207856984U (en) * 2017-12-28 2018-09-14 江西辰鑫科技有限公司 A kind of corrugated paper multiple stage crushing reclaimer
CN208679259U (en) * 2018-05-24 2019-04-02 广东生命一号药业股份有限公司 A kind of water-honeyed pill crushing grinding device
CN108722547A (en) * 2018-06-11 2018-11-02 怀宁县恒源再生科技有限公司 A kind of waste and old material reclaimer
CN109174264A (en) * 2018-07-11 2019-01-11 盐城康鼎机械有限公司 A kind of regeneration concrete grinding device
CN108890928A (en) * 2018-08-24 2018-11-27 陈丹丹 A kind of plastic garbage crushing device
CN208912164U (en) * 2018-09-01 2019-05-31 登封市盛隆陶瓷特材有限公司 A kind of Glaze of Sanitary Ware powder tinuous production

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110638652A (en) * 2019-10-08 2020-01-03 西南医科大学附属医院 Paediatrics nursing safety medicine feed ware
CN110638652B (en) * 2019-10-08 2022-04-01 西南医科大学附属医院 Paediatrics nursing safety medicine feed ware
CN111744587A (en) * 2020-06-28 2020-10-09 台州四强新型建材有限公司 Raw material classification device of recycled concrete
CN111744587B (en) * 2020-06-28 2021-08-31 台州四强新型建材有限公司 Raw material classification device of recycled concrete

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Application publication date: 20190924