CN107115925B - Collect broken and screening device in an organic whole of sample - Google Patents

Collect broken and screening device in an organic whole of sample Download PDF

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Publication number
CN107115925B
CN107115925B CN201710287838.7A CN201710287838A CN107115925B CN 107115925 B CN107115925 B CN 107115925B CN 201710287838 A CN201710287838 A CN 201710287838A CN 107115925 B CN107115925 B CN 107115925B
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CN
China
Prior art keywords
screening
crushing
grinding disc
crushing part
sample
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.)
Expired - Fee Related
Application number
CN201710287838.7A
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Chinese (zh)
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CN107115925A (en
Inventor
王璐
胡斌
姚远
李瑶
陈晓龙
李立辰
毛元静
姚文敏
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China University of Geosciences
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China University of Geosciences
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Publication date
Application filed by China University of Geosciences filed Critical China University of Geosciences
Priority to CN201710287838.7A priority Critical patent/CN107115925B/en
Publication of CN107115925A publication Critical patent/CN107115925A/en
Application granted granted Critical
Publication of CN107115925B publication Critical patent/CN107115925B/en
Expired - Fee Related legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/02Crushing or disintegrating by disc mills with coaxial discs
    • B02C7/08Crushing or disintegrating by disc mills with coaxial discs with vertical axis
    • 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/11Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/11Details
    • B02C7/12Shape or construction of discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/11Details
    • B02C7/16Driving mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area

Abstract

The invention provides a device integrating sample crushing and screening, which comprises a sample crushing structure and a screening structure, wherein the sample crushing structure comprises a movable grinding disc and a static grinding disc, the movable grinding disc is provided with a convex arc crushing part protruding downwards, the static grinding disc is provided with a concave arc crushing part recessed downwards and matched with the convex arc crushing part, a gap between the convex arc crushing part and the concave arc crushing part forms a crushing section, the upper end of the crushing section is provided with a feeding hole, a guide pipe penetrates through the concave arc crushing part to communicate the crushing section with the screening structure, and the curvature radius of the arc-shaped profile of the longitudinal section of the convex arc crushing part is slightly smaller than that of the arc-shaped profile of the longitudinal section of the concave arc crushing part corresponding to the convex arc crushing part. The invention has the beneficial effects that: the labor force is liberated, the production efficiency is improved, and the production cost is reduced.

Description

Collect broken and screening device in an organic whole of sample
Technical Field
The invention relates to the technical field of grinding and screening, in particular to a device integrating sample crushing and screening.
Background
When the mechanical characteristics of the soil body are researched under the action of dry-wet circulation, the preparation of the sample is inevitably required to be repeated for many times. The preparation of the sample is mainly to grind and sieve the formed sample, and the process is completed by manual soil hammering and manual sieving or manual soil hammering and mechanical sieving under the existing conditions, so that the test time and the cost of manpower and material resources are greatly increased.
Therefore, how to liberate productivity, break through the limitation of artificial hammer soil, and efficiently and rapidly prepare a target sample becomes a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the embodiment of the present invention provides an apparatus integrating sample crushing and screening, so as to liberate labor force, improve production efficiency and reduce production cost.
The embodiment of the invention provides a device integrating sample crushing and screening, which comprises a sample crushing structure and a screening structure, wherein the sample crushing structure comprises a movable grinding disc and a static grinding disc, the movable grinding disc is provided with a convex arc crushing part protruding downwards, the static grinding disc is provided with a concave arc crushing part recessed downwards and matched with the convex arc crushing part, a gap between the convex arc crushing part and the concave arc crushing part forms a crushing section, the upper end of the crushing section is provided with a feed inlet, a guide pipe penetrates through the concave arc crushing part to communicate the crushing section with the screening structure, and the curvature radius of the arc-shaped profile of the longitudinal section of the convex arc crushing part is smaller than that of the arc-shaped profile of the longitudinal section of the concave arc crushing part corresponding to the convex arc crushing part.
Furthermore, the screening device also comprises a support, the lower end of the screening structure is movably hinged to the support, the screening structure is connected with the movable grinding disc through a connecting piece, and the movable grinding disc rotates to drive the screening structure to rotate and vibrate through the connecting piece.
Further, the conduit extends through the arcuate bottom of the concave arc breaking portion.
Further, the guide pipe penetrates through the lowest of the intermediate positions of the concave arc crushing portions.
Further, the periphery of quiet mill is equipped with the dust cover.
Further, the grinding disc grinding device further comprises a bracket, the height of the bracket is adjustable, and the static grinding disc is positioned at the upper end of the bracket and supported by the bracket.
Furthermore, the support comprises a fixed frame positioned at the lower end, a movable frame positioned at the upper end and a fastening bolt for fixing the movable frame on the fixed frame, and the upper end area of the fixed frame is sleeved on the periphery of the lower end area of the movable frame.
Further, screening structure includes that a screening main part and removable the locating a plurality of screening boxes of screening main part, and adjacent two the screening box sets up from top to bottom each other.
Furthermore, each screening box is internally provided with a screen, and the screen is gradually reduced in screening aperture from top to bottom.
Furthermore, a clamping structure is arranged on the screening box, a clamping matching structure corresponding to the clamping structure is arranged on the screening main body, and the screening box is fixed to the screening main body under the matching of the clamping structure and the clamping matching structure.
Further, the clamping structure is a snap ring, and the clamping matching structure is a buckle.
Furthermore, the movable grinding disc is connected with a rotary disc through a conveyor belt, and the center of the rotary disc is connected with a rotating shaft of a motor.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the device integrating sample crushing and screening drives the movable grinding disc to rotate relative to the silent disc to grind rock soil through the linkage of the turntable and the transmission device, and the rock soil is gradually ground and fully ground through the matching of the convex arc crushing part with smaller curvature radius and the concave arc crushing part with larger curvature radius.
Drawings
FIG. 1 is a schematic structural diagram of an integrated sample crushing and screening apparatus according to the present invention;
fig. 2 is a top view of the device of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides an apparatus for integrating sample crushing and screening, which can be used in a wet-dry cycle test of soft rock and soil, and mainly includes: a sample disruption structure 10, a screening structure 20 and a connection 50 connecting said sample disruption structure 10 and said screening structure 20.
The sample crushing structure 10 comprises a movable grinding disc 11 and a static grinding disc 12, wherein the upper surface of the movable grinding disc 11 is a plane parallel to the horizontal plane, and the lower surface of the movable grinding disc 11 is a curved surface which is convex downwards, that is, the lower end region of the movable grinding disc 11 facing the static grinding disc 12 is provided with a convex arc crushing part 111 which is convex downwards. It is connected with a carousel 16 to move the mill 11 through a transmission 15, the sun gear of carousel 16 is connected with a motor 17's pivot 171, and is specific, transmission 15 is the conveyer belt, motor 17 passes through pivot 171 drive carousel 16 rotates in the horizontal direction, carousel 16 passes through conveyer belt 15 drives it rotates at the horizontal direction to rotate mill 11.
The lower surface of the static grinding disc 12 is mounted on a bracket 30 and supported by the bracket 30, the static grinding disc 12 is provided with a concave arc crushing part 121 which is concave downwards in the direction of the movable grinding disc 11, the convex arc crushing part 111 corresponds to the concave arc crushing part 121, and as shown in fig. 1, the curvature radius of the arc-shaped profile of the longitudinal section of the convex arc crushing part 111 is slightly smaller than that of the arc-shaped profile of the longitudinal section of the concave arc crushing part 121, so that a gap is formed between the convex arc crushing part 111 and the concave arc crushing part 121, the gap is gradually reduced from top to bottom, and the gap between the movable grinding disc 11 and the static grinding disc 12 forms a crushing section 13. The bottom of the concave arc crushing part 121 of the static grinding disc 12 is penetrated by a conduit 18, the conduit 18 extends downwards to extend into the screening structure 20 so as to communicate the crushing area 13 with the inside of the screening structure 20, and the conduit 18 penetrates through the lowest part of the middle position of the concave arc crushing part 121.
The height-adjustable of support 30, it is specific, support 30 is including the mount 31 that is located the lower extreme, the adjustable shelf 32 that is located the upper end and will the adjustable shelf 32 is fixed in the fastening bolt 33 of mount 31, the regional cover in upper end of mount 31 is located the regional periphery of lower extreme of adjustable shelf 32, through the adjustment tighten bolt 33, can adjust thereby the height of adjustable shelf 32 realizes the adjustment the height of support 30, and then the realization adjustment quiet mill 12 with move the clearance size between the mill 11, adjust promptly the size of broken interval 13 to let the grinding degree of ground have the adjustability. The upper end of the crushing area 13 is provided with a feed inlet 131, and rock soil enters the crushing area 13 from the feed inlet 131.
In order to prevent dust from flying and polluting the environment in the grinding process, a dust cover 14 is arranged around the periphery of the static grinding disc 12, the opening direction of the dust cover 14 faces upwards, so that the ground can be effectively prevented from splashing or spreading around during grinding, pollution is controlled, and the environment comfort level is improved.
Screening structure 20 mainly includes a screening main part 21 and the removable locating a plurality of screening boxes 22 of screening main part 21, and two adjacent screening boxes 22 set up from top to bottom each other to constitute multilayer, multistage screening structure and carry out multistage screening to the ground. The device integrating sample crushing and screening also comprises a support 40, the screening main body 21 is connected with the movable grinding disc 11 through the connecting piece 50, and the lower end of the screening main body 21 is movably hinged to the support 40 through a hinge 41, so that the screening structure 20 can rotate and vibrate along with the rotation of the movable grinding disc 11.
Each screening box 22 is provided with a screen (not shown), and the screening apertures of the screens are gradually reduced from top to bottom. After the ground rock-soil enters the screening structure 20 through the guide pipe 18, the ground rock-soil is screened by the plurality of screens in a multi-stage manner from top to bottom, so that rock-soil with different particle sizes can be conveniently screened from different screens.
The screening box 22 is provided with a clamping structure 23, such as a snap ring, the screening main body 21 is provided with a clamping matching structure 24 corresponding to the clamping structure 23, such as a buckle, and the screening box 22 is fixed on the screening main body 21 under the matching of the clamping structure 23 and the clamping matching structure 24. Like this, when the screening structure 20 needs the ejection of compact after working for a period, can open block structure 23 with block cooperation structure 24, then will correspond screening box 22 is followed in screening main part 20 is taken out, then will in the screening box 22 the ground on the screen cloth is cleared up out, accomplishes a screening.
In operation, the motor 17 is started, the movable grinding disc 11 rotates relative to the static grinding disc 12 through the rotating shaft 171, the rotating disc 16 and the conveyor belt 15, and meanwhile, the screening structure 20 rotates and vibrates under the rotation of the movable grinding disc 11. The rock soil to be crushed is poured from the feeding hole 131, the rock soil enters the crushing interval 13 and then is ground and crushed by the movable grinding disc 11 and the static grinding disc 12, and gradually enters the bottom end of the crushing interval 13 from the upper end of the crushing interval 13 along with the rotation of the movable grinding disc 11, and as the curvature radius of the arc-shaped profile of the longitudinal section of the convex arc crushing part 111 is slightly smaller than that of the arc-shaped profile of the longitudinal section of the concave arc crushing part 121, the closer to the bottom end of the crushing interval 13, the narrower the crushing interval 13 is, the larger the grinding force between the movable grinding disc 11 and the static grinding disc 12 is, the more sufficient the grinding force is. The finally sufficiently ground rock soil enters the screening structure 20 through the guide tube 18 at the bottom end of the concave arc crushing part 121. The screening structure 20 is driven by the connecting member 50 to rotate and vibrate along with the rotation of the movable grinding disc 11, so that ground rock and soil entering the screening structure 20 are screened, the rock and soil are screened in multiple layers and multiple levels through the screening boxes 22, the rock and soil with different particle sizes are left on the screening nets in the screening boxes 22, the clamping structures 23 and the clamping matching structures 24 are opened, then the corresponding screening boxes 22 are extracted from the screening main body 21, and then the rock and soil on the screening nets in the screening boxes 22 are cleaned out, so that primary screening is completed.
Compared with the prior art, the device integrating sample crushing and screening drives the movable grinding disc 11 to rotate relative to the silent disc 12 to grind rock soil by the transmission device 15 which is linked by the turntable 16, and the rock soil is gradually ground and fully ground by matching the convex arc crushing part 111 with smaller curvature radius and the concave arc crushing part 121 with larger curvature radius, so that the device has the advantages of simple structure, convenience in control and operation, effective labor release, production efficiency improvement and production cost saving. Moreover, the movable grinding disc 11 and the static grinding disc 12 are driven by the same motor 17, so that the structure is simplified, and the manufacturing cost is reduced.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. The utility model provides a collect broken and screening of sample in device of an organic whole, includes broken structure of sample and screening structure, its characterized in that: the sample crushing structure comprises a movable grinding disc, a support and a static grinding disc, wherein the movable grinding disc is provided with a convex arc crushing part which is arranged in a downward protruding mode, the static grinding disc is provided with a concave arc crushing part which is arranged in a downward recessed mode and matched with the convex arc crushing part, a gap between the convex arc crushing part and the concave arc crushing part forms a crushing section, the upper end of the crushing section is provided with a feeding hole, a guide pipe penetrates through the concave arc crushing part to communicate the crushing section with the screening structure, and the curvature radius of an arc-shaped outline of a longitudinal section of the convex arc crushing part is smaller than that of a longitudinal section of the concave arc crushing part corresponding to the arc-shaped outline;
the lower end of the screening structure is movably hinged to the support, the screening structure is connected with the movable grinding disc through a connecting piece, and the movable grinding disc rotates to drive the screening structure to rotate and vibrate through the connecting piece;
the screening structure comprises a screening main body and a plurality of screening boxes which are detachably arranged on the screening main body, and two adjacent screening boxes are arranged up and down;
the screening box is provided with a clamping structure, the screening main body is provided with a clamping matching structure corresponding to the clamping structure, and the screening box is fixed to the screening main body under the matching of the clamping structure and the clamping matching structure.
2. The device integrating sample crushing and screening as claimed in claim 1, wherein: the guide pipe penetrates through the arc-shaped bottom of the concave arc crushing part.
3. The device integrating sample disruption and screening of claim 2, wherein: the guide pipe penetrates through the lowest position of the middle position of the concave arc crushing part.
4. The device integrating sample crushing and screening as claimed in claim 1, wherein: the periphery of quiet mill is equipped with the dust cover, it is connected with a carousel to move the mill through a conveyer belt, the center of carousel is connected with the pivot of a motor.
5. The device integrating sample crushing and screening as claimed in claim 1, wherein: the height of the bracket is adjustable, and the static grinding disc is positioned at the upper end of the bracket and supported by the bracket.
6. The device integrating sample crushing and screening as claimed in claim 5, wherein: the support comprises a fixed frame positioned at the lower end, a movable frame positioned at the upper end and a fastening bolt for fixing the movable frame on the fixed frame, wherein the upper end area of the fixed frame is sleeved on the periphery of the lower end area of the movable frame.
7. The device integrating sample crushing and screening as claimed in claim 1, wherein: each screening box all is equipped with a screen cloth in, a plurality of the screen cloth reduces from last to its screening aperture step by step down.
CN201710287838.7A 2017-04-27 2017-04-27 Collect broken and screening device in an organic whole of sample Expired - Fee Related CN107115925B (en)

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CN201710287838.7A CN107115925B (en) 2017-04-27 2017-04-27 Collect broken and screening device in an organic whole of sample

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CN107115925B true CN107115925B (en) 2022-06-14

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CN107999227A (en) * 2017-11-20 2018-05-08 安徽华美新材料科技有限公司 A kind of fire-retardant pigmenting raw material chopper of Efficient Ring safeguarding grades
CN109046616A (en) * 2018-07-26 2018-12-21 黄山市歙县绿色三潭枇杷生物科技有限公司 A kind of Chinese medicine loquat leaf extract raw mill plant
CN110327843A (en) * 2019-08-05 2019-10-15 天津水泥工业设计研究院有限公司 A kind of granulation disc, pelletizer and granulation aid preparation system
CN110954474A (en) * 2019-12-19 2020-04-03 浙江华基环保科技有限公司 Filter material laminating fastness testing device and testing method thereof
CN113618949B (en) * 2021-08-07 2023-08-11 河北腾鑫体育设施有限公司 Polymer rubber regeneration granulator and particle recovery method thereof
CN114210413A (en) * 2021-12-06 2022-03-22 河南省康华药业股份有限公司 Device for extracting active ingredients of radix aucklandiae shunqi pill medicine and preparation method and application thereof

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CA1045779A (en) * 1974-07-15 1979-01-09 General Kinematics Corporation Vibratory sand reclaiming apparatus
CN201799300U (en) * 2010-08-14 2011-04-20 倪文龙 Integral rolling, scattering and grading machine
CN204685178U (en) * 2015-03-24 2015-10-07 施淑玲 A kind of refabrication plant of beauty and health care medicine
CN104998717A (en) * 2015-07-06 2015-10-28 沈阳化工大学 Millstone of waste rubber pulverizer
CN205517953U (en) * 2016-01-18 2016-08-31 湖北万春生物科技有限公司 Device is smashed with grinding to medium -height grass medicinal material

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