CN109806936A - A kind of metro building material crushing device - Google Patents

A kind of metro building material crushing device Download PDF

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Publication number
CN109806936A
CN109806936A CN201910142677.1A CN201910142677A CN109806936A CN 109806936 A CN109806936 A CN 109806936A CN 201910142677 A CN201910142677 A CN 201910142677A CN 109806936 A CN109806936 A CN 109806936A
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CN
China
Prior art keywords
fixedly connected
staving
cabinet
vertical tube
gear
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Granted
Application number
CN201910142677.1A
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Chinese (zh)
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CN109806936B (en
Inventor
赵文
刘玉平
李天亮
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Northeastern University China
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Northeastern University China
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Priority to CN201910142677.1A priority Critical patent/CN109806936B/en
Publication of CN109806936A publication Critical patent/CN109806936A/en
Application granted granted Critical
Publication of CN109806936B publication Critical patent/CN109806936B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The present invention provides a kind of metro building material crushing device, including cabinet, box top is symmetrically fixedly connected with two feed pipes, the fixation of two feed pipe tops is communicated with loading hopper, transverse slat is fixedly connected in cabinet, transverse slat is embedded with vertical tube at center, sealing ring bottom surface is bonded with staving, tank floor is symmetrically fixedly connected with multiple supporting legs, rotating disk is fixed on vertical tube, rotating disk bottom surface annular is fixedly connected with multiple vertical bars, convex block side wall is bonded with vertical bar side wall, vertical tube and transverse slat rotation connect, vertical tube and staving rotation connect, transverse slat is made of alloy steel material, the connection type of cabinet and staving is using welding, the model Y132M-4 of threephase asynchronous machine, the present apparatus is vdiverse in function, it is practical, material can sufficiently be dried, convenient for next broken, material can be carried out sufficiently broken, Can discontinuity charging, effectively prevent machine jams, improve working efficiency, meet industrial requirement.

Description

A kind of metro building material crushing device
Technical field
The present invention relates to technical field of civil engineering, specifically, more particularly to a kind of metro building broken dress of material It sets.
Background technique
Civil engineering refers to the technologies such as applied material, equipment and the exploration carried out, design, construction, maintenance, maintenance Activity builds on the ground or in underground, land or water, be directly or indirectly human lives, production, military affairs, Scientific Research Service Various job facilities, such as house, road, railway, pipeline, tunnel, bridge, canal, dykes and dams, harbour, power station, airport, sea Foreign platform, water supply and drainage and protection works etc., traditional subway crushing device crushing effect is poor, and it is impossible to meet industry to need It is easy to cause machine jams when asking, and being crushed, reduces working efficiency.
Summary of the invention
According to technical problem set forth above, and it is highly efficient to provide one kind, and the better metro building of crushing effect is used Material crushing device.
The technological means that the present invention uses is as follows:
A kind of metro building material crushing device, including cabinet, the box top are symmetrically fixedly connected with two chargings Pipe, the fixation of two feed pipe tops are communicated with loading hopper, and transverse slat is fixedly connected in the cabinet, is embedded at the transverse slat center There is a vertical tube, the vertical tube top is pierced by that transverse slat is fixed to be communicated with funnel, fixedly embedded in the funnel to have heating wire, the funnel Inner wall is fixedly connected with multiple first annulus from bottom to top, and the funnel peripheral wall is symmetrically fixedly connected with two cross bars, and two cross bars are another One end is fixedly connected with the second annulus, and second annulus covers on funnel, and two sleeves, institute are fixed on second annulus It states the sleeve other end to be fixedly connected with box inside wall, the box inside wall is fixedly connected with connecting rod, and the connecting rod is another One end is fixedly connected with motor, and the motor output end is fixedly connected with first gear, the first gear bottom surface and transverse slat top Face paste is closed, and is fixed with second gear on the vertical tube, and the second gear is engaged with first gear, and the cabinet inner bottom surface is solid Surely it is connected with staving, the staving inner sidewall is symmetrically embedded with rotary shaft, and the rotary shaft other end is pierced by another side wall of cabinet It is fixedly connected with third gear, roller is fixed in the rotary shaft, the roller side wall is bonded with box bilateral wall, described Roller surfaces are fixedly connected with multiple abrasive blocks, and the staving inner sidewall is symmetrically fixedly connected with two first inclined plates, and described first The inclined plate other end is bonded with abrasive block surface, and staving two sidewalls bottom end is symmetrically fixedly connected with two second inclined plates, and described Two inclined plate bottom surfaces are fixedly connected with cabinet inner bottom surface, and the wall box is fixedly connected with threephase asynchronous machine, and described three is different Step motor output end is fixedly connected with the 4th gear, and the 4th gear is engaged with two third gears, and the tank floor is solid Surely it is communicated with discharge nozzle, the discharge nozzle is arranged between two second inclined plates, and the staving one side wall is embedded with slide bar, the bucket Body one side wall is fixedly connected with L shape bar, and described slide bar one end is pierced by staving and is fixedly connected with convex block, the slide bar across L shape bar It is slidably connected respectively with staving and L shape bar, spring is cased on the slide bar, the spring is arranged between slide bar and L shape bar, institute It states the slide bar other end and penetrates staving and be fixedly connected with baffle, the baffle plate setting is provided with through-hole, institute in staving on the baffle It states vertical tube bottom end and is pierced by transverse slat and penetrates staving and be bonded with baffle top surface, the underface of vertical tube, the vertical tube is arranged in the through-hole On be fixed with sealing ring, the sealing ring bottom surface is bonded with staving, and the tank floor is symmetrically fixedly connected with multiple supporting legs, Be fixed with rotating disk on the vertical tube, rotating disk bottom surface annular is fixedly connected with multiple vertical bars, the convex block side wall with The fitting of vertical bar side wall, the vertical tube and transverse slat rotation connect, and the vertical tube and staving rotation connect.
Preferably, the transverse slat is made of alloy steel material.
Preferably, the connection type of the cabinet and staving is using welding.
Preferably, the model Y132M-4 of the threephase asynchronous machine.
Compared with prior art, practical the beneficial effects of the present invention are: the present apparatus is vdiverse in function, pass through setting Vertical tube, funnel, heating wire, the first annulus, cross bar, the second annulus, sleeve, connecting rod, motor, first gear and second gear energy It is enough that material is sufficiently dried, convenient for next broken, and provided with rotary shaft, roller, abrasive block, the first inclined plate, the Two inclined plates, third gear, threephase asynchronous machine, the 4th gear and discharge nozzle can carry out material to be sufficiently crushed, and be also provided with Slide bar, L shape bar, convex block, spring, baffle, vertical bar, sealing ring and rotating disk can discontinuity charging, effectively prevent machine stifled Plug improves working efficiency, meets industrial requirement.
The present invention can be widely popularized in fields such as buildings based on the above reasons.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is overall structure of the present invention.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the B-B cross-sectional view of Fig. 1.
Fig. 4 is slide bar convex block end partial enlarged view of the invention.
In figure: cabinet 1, feed pipe 2, loading hopper 3, transverse slat 4, vertical tube 5, funnel 6, heating wire 7, the first annulus 8, cross bar 9, the second annulus 10, sleeve 11, connecting rod 12, motor 13, first gear 14, second gear 15, staving 16, rotary shaft 17, roller Son 18, abrasive block 19, the first inclined plate 20, the second inclined plate 21, third gear 22, threephase asynchronous machine 23, the 4th gear 24, discharging Pipe 25, slide bar 26, L shape bar 27, convex block 28, spring 29, baffle 30, vertical bar 31, sealing ring 32, supporting leg 33, rotating disk 34, through-hole 30-1。
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation A part of book.In shown here and discussion all examples, appointing should be construed as merely illustratively to occurrence, and Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical, Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this The limitation of invention protection scope.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of metro building material crushing device, including cabinet 1, the cabinet 1 Top surface is symmetrically fixedly connected with two feed pipes 2, and two feed pipes, 2 top is fixed to be communicated with loading hopper 3, fixes in the cabinet 1 It is connected with transverse slat 4, vertical tube 5 is embedded at 4 center of transverse slat, 5 top of vertical tube is pierced by the fixation of transverse slat 4 and is communicated with funnel 6, Fixedly embedded in the funnel 6 to have heating wire 7,6 inner wall of funnel is fixedly connected with multiple first annulus 8, institute from bottom to top It states 6 peripheral wall of funnel and is symmetrically fixedly connected with two cross bars 9, two cross bars, 9 other end is fixedly connected with the second annulus 10, second circle 10 sets of ring on funnel 6, are fixed with two sleeves 11,1 inside of 11 other end of sleeve and cabinet on second annulus 10 Wall is fixedly connected, and 1 inner sidewall of cabinet is fixedly connected with connecting rod 12, and 12 other end of connecting rod is fixedly connected with motor 13,13 output end of motor is fixedly connected with first gear 14, and 14 bottom surface of first gear is bonded with 4 top surface of transverse slat, institute It states and is fixed with second gear 15 on vertical tube 5, the second gear 15 is engaged with first gear 14, and 1 inner bottom surface of cabinet is solid Surely it is connected with staving 16,16 inner sidewall of staving is symmetrically embedded with rotary shaft 17, and 17 other end of rotary shaft is pierced by cabinet 1 Another side wall is fixedly connected with third gear 22, and roller 18,18 side wall of roller and case are fixed in the rotary shaft 17 The fitting of 1 two sidewalls of body, 18 surface of roller are fixedly connected with multiple abrasive blocks 19, and 16 inner sidewall of staving is symmetrically fixed to be connected Two first inclined plates 20 are connected to, 20 other end of the first inclined plate is bonded with 19 surface of abrasive block, the 16 two sidewalls bottom end of staving Two second inclined plates 21 symmetrically are fixedly connected with, 21 bottom surface of the second inclined plate is fixedly connected with 1 inner bottom surface of cabinet, the cabinet 1 Side wall is fixedly connected with threephase asynchronous machine 23, and 23 output end of threephase asynchronous machine is fixedly connected with the 4th gear 24, institute It states the 4th gear 24 to engage with two third gears 22,1 bottom surface of the cabinet fixation is communicated with discharge nozzle 25, the discharge nozzle 25 It is arranged between two second inclined plates 21,16 one side wall of staving is embedded with slide bar 26, and 16 one side wall of staving is fixedly connected There is L shape bar 27, described 26 one end of slide bar is pierced by staving 16 and is fixedly connected with convex block 28 across L shape bar 27, and the slide bar 26 is distinguished It is slidably connected with staving 16 and L shape bar 27, spring 29 is cased on the slide bar 26, the spring 29 is arranged in slide bar 26 and L shape Between bar 27,26 other end of slide bar penetrates staving 16 and is fixedly connected with baffle 30, and the baffle 30 is arranged in staving 16, It is provided with through-hole 30-1 on the baffle 30,5 bottom end of vertical tube is pierced by transverse slat 4 and penetrates staving 16 to be bonded with 30 top surface of baffle, institute State the underface that vertical tube 5 is arranged in through-hole 30-1, be fixed with sealing ring 32 on the vertical tube 5,32 bottom surface of sealing ring with Staving 16 is bonded, and 1 bottom surface of cabinet is symmetrically fixedly connected with multiple supporting legs 33, is fixed with rotating disk 34 on the vertical tube 5, The 34 bottom surface annular of rotating disk is fixedly connected with multiple vertical bars 31, and 28 side wall of convex block is bonded with 31 side wall of vertical bar, described Vertical tube 5 and the rotation of transverse slat 4 connect, and the vertical tube 5 is connected with the rotation of staving 16.
The transverse slat 4 is made of alloy steel material.
The connection type of the cabinet 1 and staving 16, which uses, welds.
The model Y132M-4 of the threephase asynchronous machine 23.
Working principle of the present invention by adopting the above technical scheme are as follows: during subway construction, chronically descend work progress In, material is influenced by underground wet gas, is easy agglomeration and is connect the present apparatus and power supply when the material of agglomeration needs broken It is logical, the material of agglomeration is then flowed into the funnel 6 in cabinet 1 along two feed pipes 2 from loading hopper 3, motor 13 starts work Make, 13 output end of motor drives first gear 14 to rotate, and first gear 14 drives second gear 15 to rotate, and second gear 15 drives Vertical tube 5 rotates, and vertical tube 5 drives funnel 6 to rotate, and funnel 6 drives internal caking materials rotation, and at the same time, heating wire 7 is sent out Heat dries the material of dampness agglomeration, and broken convenient for next material, funnel 6 drives cross bar 9 to rotate, and cross bar 9 drives Second annulus 10 slides in sleeve 11, plays a supporting role for the rotation of funnel 6, and multiple first circles are provided in funnel 6 Ring 8 limits the material of agglomeration, and convenient for the abundant drying of material, the material after drying is flowed into vertical tube 5, Then it flows into and is flowed into staving 16 by through-hole 30-1, at the same time, vertical tube 5 drives rotating disk 34 to rotate, 34 band of rotating disk It moves multiple vertical bars 31 to rotate, vertical bar 31 beats convex block 28 repeatedly, and convex block 28 is mobile with moving slide-bar 26, and slide bar 26 drives baffle 30 to exist Sliding reduces material and causes machine too much so that the material discontinuity shape by drying is flowed into staving 16 in staving 16 Blocking, improves work efficiency, and threephase asynchronous machine 23 is started to work at the same time, and 23 output end of threephase asynchronous machine drives the The rotation of four gears 24, the 4th gear 24 drive the rotation of two third gears 22, and third gear 22 drives rotary shaft 17 to rotate, two rotations Axis 17 drives the rotation of two rollers 18, is crushed to agglomeration, there is multiple abrasive blocks 19 on roller 18, carries out convenient for the material of agglomeration Sufficiently broken, the material that process has been crushed completely is flowed down between two rollers 18, is then flowed out again from discharge nozzle 25, in discharge nozzle Catching device is placed in 25 bottom ends, accepts broken material and carries out using after material is broken, by the present apparatus and power supply point From the outflow of material is convenient in the setting of two second inclined plates 21, and the setting of two first inclined plates 20 carries out the barrier of material, is convenient for material It is abundant broken.Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than it is limited System;Although present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or special to some or all of technologies Sign is equivalently replaced;And these are modified or replaceed, various embodiments of the present invention that it does not separate the essence of the corresponding technical solution The range of technical solution.

Claims (4)

1. a kind of metro building material crushing device, including cabinet (1), it is characterised in that:
Cabinet (1) top surface is symmetrically fixedly connected with two feed pipes (2), and two feed pipes (2) top is fixed to be communicated with charging leakage It struggles against (3), is fixedly connected with transverse slat (4) in the cabinet (1), is embedded with vertical tube (5), the vertical tube at transverse slat (4) center (5) top is pierced by transverse slat (4) fixation and is communicated with funnel (6), fixedly embedded in the funnel (6) to have heating wire (7), the funnel (6) inner wall is fixedly connected with multiple first annulus (8) from bottom to top, and funnel (6) peripheral wall is symmetrically fixedly connected with two cross bars (9), two cross bars (9) other end is fixedly connected with the second annulus (10), and second annulus (10) covers on funnel (6), described It is fixed on second annulus (10) two sleeves (11), sleeve (11) other end is fixedly connected with cabinet (1) inner sidewall, institute It states cabinet (1) inner sidewall to be fixedly connected with connecting rod (12), connecting rod (12) other end is fixedly connected with motor (13), institute Motor (13) output end to be stated to be fixedly connected with first gear (14), first gear (14) bottom surface is bonded with transverse slat (4) top surface, It is fixed with second gear (15) on the vertical tube (5), the second gear (15) is engaged with first gear (14), the cabinet (1) inner bottom surface is fixedly connected with staving (16), and staving (16) inner sidewall is symmetrically embedded with rotary shaft (17), the rotary shaft (17) other end is pierced by cabinet (1) another side wall and is fixedly connected with third gear (22), is fixed on the rotary shaft (17) Roller (18), roller (18) side wall are bonded with cabinet (1) two sidewalls, and roller (18) surface is fixedly connected with multiple mills Sand lump (19), staving (16) inner sidewall are symmetrically fixedly connected with two first inclined plates (20), and first inclined plate (20) is another End is bonded with abrasive block (19) surface, and staving (16) the two sidewalls bottom end is symmetrically fixedly connected with two second inclined plates (21), institute It states the second inclined plate (21) bottom surface to be fixedly connected with cabinet (1) inner bottom surface, cabinet (1) side wall is fixedly connected with phase asynchronous electricity Machine (23), threephase asynchronous machine (23) output end are fixedly connected with the 4th gear (24), the 4th gear (24) and two Third gear (22) engages, and cabinet (1) the bottom surface fixation is communicated with discharge nozzle (25), and the discharge nozzle (25) is arranged two Between second inclined plate (21), staving (16) one side wall is embedded with slide bar (26), and staving (16) one side wall is fixedly connected There is L shape bar (27), described slide bar (26) one end is pierced by staving (16) and is fixedly connected with convex block (28) across L shape bar (27), described Slide bar (26) is slidably connected with staving (16) and L shape bar (27) respectively, is cased with spring (29), the spring on the slide bar (26) (29) it is arranged between slide bar (26) and L shape bar (27), slide bar (26) other end penetrates staving (16) and is fixedly connected with gear Plate (30), baffle (30) setting are provided with through-hole (30-1), the vertical tube (5) in staving (16) on the baffle (30) Bottom end is pierced by transverse slat (4) and penetrates staving (16) to be bonded with baffle (30) top surface, through-hole (30-1) setting vertical tube (5) just Lower section is fixed with sealing ring (32) on the vertical tube (5), and sealing ring (32) bottom surface is bonded with staving (16), the case Body (1) bottom surface is symmetrically fixedly connected with multiple supporting legs (33), is fixed with rotating disk (34), the rotation on the vertical tube (5) Disk (34) bottom surface annular is fixedly connected with multiple vertical bars (31), and convex block (28) side wall is bonded with vertical bar (31) side wall, described Vertical tube (5) and transverse slat (4) rotation connect, and the vertical tube (5) and staving (16) rotation connect.
2. a kind of metro building material crushing device according to claim 1, it is characterised in that: the transverse slat (4) is adopted It is made of alloy steel material.
3. a kind of metro building material crushing device according to claim 1, it is characterised in that: the cabinet (1) with The connection type of staving (16) is using welding.
4. a kind of metro building material crushing device according to claim 1, it is characterised in that: the phase asynchronous electricity The model Y132M-4 of machine (23).
CN201910142677.1A 2019-02-26 2019-02-26 Material crushing device for subway building Expired - Fee Related CN109806936B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910142677.1A CN109806936B (en) 2019-02-26 2019-02-26 Material crushing device for subway building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910142677.1A CN109806936B (en) 2019-02-26 2019-02-26 Material crushing device for subway building

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CN109806936A true CN109806936A (en) 2019-05-28
CN109806936B CN109806936B (en) 2020-08-11

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CN201910142677.1A Expired - Fee Related CN109806936B (en) 2019-02-26 2019-02-26 Material crushing device for subway building

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111298880A (en) * 2020-03-19 2020-06-19 朱姗姗 Medical non-woven fabric harmless treatment equipment

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CN107343665A (en) * 2017-08-24 2017-11-14 武汉中智德远科技开发有限公司 A kind of efficient feed mixed preparing device used for aquiculture
CN107755048A (en) * 2017-11-29 2018-03-06 成都草寓科技有限公司 One kind is used to crush petal automation equipment
CN107971063A (en) * 2017-11-29 2018-05-01 刘飞 Pellet crusher is used in one kind cultivation
CN207881370U (en) * 2017-12-12 2018-09-18 潜山县三新茶叶专业合作社 A kind of tea processing dryer
CN108639473A (en) * 2018-05-22 2018-10-12 重庆漱心斋文化产业发展有限公司 Medicinal material packaging facilities and its application method

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Publication number Priority date Publication date Assignee Title
CN204523065U (en) * 2015-04-07 2015-08-05 广东梅雁吉祥水电股份有限公司 A kind of dicalcium powder grinding and processing raw material device
RU2618136C1 (en) * 2016-06-01 2017-05-02 Алексей Гавриилович Афанасьев Centrifugal device for mixing and grinding
CN107343665A (en) * 2017-08-24 2017-11-14 武汉中智德远科技开发有限公司 A kind of efficient feed mixed preparing device used for aquiculture
CN107755048A (en) * 2017-11-29 2018-03-06 成都草寓科技有限公司 One kind is used to crush petal automation equipment
CN107971063A (en) * 2017-11-29 2018-05-01 刘飞 Pellet crusher is used in one kind cultivation
CN207881370U (en) * 2017-12-12 2018-09-18 潜山县三新茶叶专业合作社 A kind of tea processing dryer
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111298880A (en) * 2020-03-19 2020-06-19 朱姗姗 Medical non-woven fabric harmless treatment equipment

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Granted publication date: 20200811