CN110252652A - A kind of screening machine pan feeding regulating device - Google Patents
A kind of screening machine pan feeding regulating device Download PDFInfo
- Publication number
- CN110252652A CN110252652A CN201910706157.9A CN201910706157A CN110252652A CN 110252652 A CN110252652 A CN 110252652A CN 201910706157 A CN201910706157 A CN 201910706157A CN 110252652 A CN110252652 A CN 110252652A
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- China
- Prior art keywords
- feeding inlet
- adjustable slit
- fixing groove
- feeding
- screening machine
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- 238000012216 screening Methods 0.000 title claims abstract description 57
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 51
- 238000012423 maintenance Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002365 multiple layer Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
- B65G11/02—Chutes of straight form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
- B65G11/20—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention discloses a kind of screening machine pan feeding regulating device, including rack and the feeding inlet fixing groove being set in rack, feeding inlet adjustable slit, blanking port, feeding inlet fixing groove and feeding inlet adjustable slit are hinged, feeding inlet adjustable slit is connected with driving device, driving device can drive feeding inlet adjustable slit to rotate, feeding inlet fixing groove and feeding inlet adjustable slit are set to the top of blanking port, the direction of feeding inlet fixing groove towards blanking port is obliquely installed, blanking port can be connected with the feed inlet of screening machine, and material is sent to the compass screen surface of screening machine.By the way that feeding inlet adjustable slit is arranged, realize the blanking position of adjustment material, the direction of feeding inlet fixing groove towards blanking port is obliquely installed, material is slided under the effect of gravity, feeding inlet adjustable slit and feeding inlet fixing groove are hinged, driving device changes the one end of feeding inlet adjustable slit far from the feeding inlet fixing groove in the projected position of blanking port, realizes the purpose of adjustment material blanking position by driving feeding inlet adjustable slit rotation.
Description
Technical field
The present invention relates to screening plant and its periphery jointed complete set technical fields, use more particularly to a kind of screening machine
Pan feeding regulating device.
Background technique
Screening machine is widely used in the classification and screening of granular material, according to structure and the difference of compass screen surface forms of motion, sieve
Extension set is commonly divided into vibrating screening machine, cylinder round sifter, tension and relaxation screening machine, rod screening machine, the vibration compound screening machine of wind-force
Etc. diversified forms.When screening machine works, material falls into compass screen surface with certain speed and inclination angle, passes through the various forms of fortune of compass screen surface
Dynamic, material gradually disperses, isolates, saturating sieve separation.The incidence rate of material, angle, position all can be to the separating effects of screening machine
It is impacted with screening efficiency.
It is answered at present in fields, screening machines such as the disposition of mine, building materials, metallurgy, mechanism sand material, building waste and decoration garbage
With extensive, pan feeding is usually to be fed through chute.But existing chute interior structure is single with certain fixed angle
Plate armature, in engineering construction, chute is after installation is fixed, and inclination angle is certain, in the subsequent production and operation, preceding
In the case where holding stream stable conditions, material slides that the incident angle to screening machine compass screen surface is relatively fixed, position is opposite through chute
The shortcomings that concentrating, be easy to causeing the following aspects in this way: 1, relatively-stationary incident angle is difficult to adapt to complicated material work
Condition maintains fixed material incident angle to be often difficult to reach and preferably sieve especially when material changes greatly, ingredient is more miscellaneous
Divide effect；2, blanking position Relatively centralized is easy to cause to concentrate to the compass screen surface regional area of screening machine to impact and wear, and makes sieve plate
Service life obviously shorten；3, the effective use area that blanking position Relatively centralized also reduces compass screen surface passes through in engineering practice
Existing chute pan feeding especially leans on two side portions in the front end of compass screen surface, and material is often difficult to reach, and distribution of the material on compass screen surface is not
, the loss on the one hand causing equipment capacity, on the other hand also reduces screening efficiency.
Therefore, how to change in the prior art, plate wear is too fast at screening machine compass screen surface blanking, material distribution is not on compass screen surface
, the relatively single status of material incident angle is those skilled in the art's urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of screening machine pan feeding regulating device, to solve above-mentioned of the existing technology ask
Topic, so that pan feeding link is adjusted the position that material enters screening machine, avoid compass screen surface material be unevenly distributed and compass screen surface blanking at
The problem of serious wear.
To achieve the above object, the present invention provides following schemes: the present invention provides a kind of screening machine pan feeding adjusting dress
It sets, including rack and the feeding inlet fixing groove being set in the rack, feeding inlet adjustable slit, dedusting outlet, blanking port, institute
The one end for stating feeding inlet fixing groove is connected with the rack, the other end of the feeding inlet fixing groove and the one of feeding inlet adjustable slit
End is hinged, and the feeding inlet adjustable slit is connected with driving device, and the driving device can drive the feeding inlet adjustable slit to turn
Dynamic, the driving device is set on the inner wall of the rack, and the dedusting outlet is set to the top of the rack, described
Feeding inlet fixing groove and the feeding inlet adjustable slit are set to the top of the blanking port, and the feeding inlet fixing groove is described in
The direction of blanking port is obliquely installed, and the blanking port can be connected with the feed inlet of screening machine.
Preferably, the driving device is cylinder, and the cylinder is connected with the gentle cylinder seat support of cylinder rod bearing, the gas
Cylinder rod support is connected with the feeding inlet adjustable slit, and the cylinder block support is set on the inner sidewall of the rack, the gas
Cylinder rod support and the cylinder block support are hinged with the cylinder respectively.
Preferably, one end of the feeding inlet fixing groove is hinged by one end of pin shaft and the feeding inlet adjustable slit, institute
State the bottom that pin shaft is set to the feeding inlet fixing groove and the feeding inlet adjustable slit.
Preferably, the feeding inlet fixing groove and the feeding inlet adjustable slit are U-shaped groove-like structure.
Preferably, the feeding inlet adjustable slit is multiple-layer stacked structure, and the feeding inlet adjustable slit is filled far from the driving
The side setting wear-resistant liner layer set, the wear-resistant liner layer have splayed or lambdoid raised lines, the protrusion line
The height of projection on road is 0-10mm.
Preferably, the blanking port is rectangle structure, and the blanking port is directed away from institute by the feeding inlet fixing groove
The side for stating feeding inlet fixing groove extends, and is set into material frame frame at the blanking port, and the pan feeding frame is connected with the rack,
The pan feeding frame can be connected with screening machine.
Preferably, maintenance observation window is also set up in the rack, the side of the maintenance observation window and the rack are hinged,
Retaining mechanism is arranged in the opposite other side of the maintenance observation window, and the retaining mechanism can compress the maintenance observation window
In the rack, support chain is also set up between the maintenance observation window and the rack.
The present invention achieves following technical effect compared with the existing technology: screening machine of the invention pan feeding regulating device,
Including rack and the feeding inlet fixing groove being set in rack, feeding inlet adjustable slit dedusting outlet, blanking port, feeding inlet is fixed
One end of slot is connected with rack, and one end of the other end and feeding inlet adjustable slit of feeding inlet fixing groove is hinged, feeding inlet adjustable slit
It is connected with driving device, driving device can drive feeding inlet adjustable slit to rotate, and driving device is set on the inner wall of rack, removes
Dirt outlet is set to the top of rack, and feeding inlet fixing groove and feeding inlet adjustable slit are set to the top of blanking port, feeding inlet
The direction of fixing groove towards blanking port is obliquely installed, and blanking port can be connected with the feed inlet of screening machine, and material is sent to screening
The compass screen surface of machine.Screening machine of the invention pan feeding regulating device realizes the blanking of adjustment material by the way that feeding inlet adjustable slit is arranged
The direction of position, feeding inlet fixing groove towards blanking port is obliquely installed, and material is slided under the effect of gravity, feeding inlet
Adjustable slit and feeding inlet fixing groove are hinged, and it is remote to change feeding inlet adjustable slit by driving feeding inlet adjustable slit rotation for driving device
Projected position of the one end at blanking port from the feeding inlet fixing groove realizes blanking position of the adjustment material on screening machine
With the purpose of incident angle, and then improve the too fast problem of plate wear at screening machine compass screen surface blanking.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of screening machine pan feeding regulating device of the invention；
Wherein, 1 is rack, and 2 be feeding inlet fixing groove, and 3 be dedusting outlet, and 4 be blanking port, and 5 be feeding inlet adjustable slit,
6 be driving device, and 7 be cylinder rod bearing, and 8 be cylinder block support, and 9 be pin shaft, and 10 be pan feeding frame, and 11 be maintenance observation window.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of screening machine pan feeding regulating device, to solve above-mentioned of the existing technology ask
Topic, so that pan feeding link is adjusted the position that material enters screening machine, avoid compass screen surface material be unevenly distributed and compass screen surface blanking at
The problem of serious wear.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Referring to FIG. 1, Fig. 1 is the structural schematic diagram of screening machine pan feeding regulating device of the invention.
The present invention provides a kind of screening machine pan feeding regulating device, solid including rack 1 and the feeding inlet being set in rack 1
Determine slot 2, feeding inlet adjustable slit 5, dedusting outlet 3, blanking port 4, one end of feeding inlet fixing groove 2 is connected with rack 1, feeding inlet
The other end of fixing groove 2 and one end of feeding inlet adjustable slit 5 are hinged, and feeding inlet adjustable slit 5 is connected with driving device 6, driving dress
Setting 6 can drive feeding inlet adjustable slit 5 to rotate, and driving device 6 is set on the inner wall of rack 1, and dedusting outlet 3 is set to machine
The top of frame 1, feeding inlet fixing groove 2 and feeding inlet adjustable slit 5 are set to the top of blanking port 4, and feeding inlet fixing groove 2 is towards falling
The direction of material mouth 4 is obliquely installed, and blanking port 4 can be connected with the feed inlet of screening machine.
Screening machine of the invention pan feeding regulating device, material are entered by feeding inlet fixing groove 2, light material, such as dust
It is exported Deng by dedusting outlet 3, rest materials continue to slide into feeding inlet adjustable slit 5, real by the way that feeding inlet adjustable slit 5 is arranged
The blanking position of material is now adjusted, the direction of feeding inlet fixing groove 2 towards blanking port 4 is obliquely installed, and enables material in weight
Power acts on lower slider, and feeding inlet adjustable slit 5 and feeding inlet fixing groove 2 are hinged, and driving device 6 passes through driving feeding inlet adjustable slit 5
Rotation changes projected position of the one end of feeding inlet adjustable slit 5 far from feeding inlet fixing groove 2 at blanking port 4, realizes adjustment object
Expect the purpose of the blanking position and incident angle on screening machine, and then it is too fast to improve plate wear at screening machine compass screen surface blanking
Problem.
In this embodiment, driving device 6 is cylinder, and cylinder is connected with cylinder rod bearing 7 and cylinder block support
8, cylinder rod bearing 7 is connected with feeding inlet adjustable slit 5, and cylinder block support 8 is set on the inner sidewall of rack 1, cylinder rod bearing 7
Hinged with cylinder respectively with cylinder block support 8, cylinder rod stretching can push feeding inlet adjustable slit 5 around 5 He of feeding inlet adjustable slit
The hinge joint of feeding inlet fixing groove 2 rotates, and feeding inlet adjustable slit 5 rotates, and exit end projects to the hair of the position at blanking port 4
It is raw to change, achieve the purpose that adjust material blanking position.Gas source need to be connected for cylinder and control the device and route of cylinder
Deng belonging to the customary means of those skilled in the art, details are not described herein again.
Specifically, one end of feeding inlet fixing groove 2 is hinged by pin shaft 9 and one end of feeding inlet adjustable slit 5, and pin shaft 9 is set
It is placed in the bottom of feeding inlet fixing groove 2 and feeding inlet adjustable slit 5, pin shaft 9 is avoided to influence material in feeding inlet fixing groove 2 and pan feeding
Normal sliding in mouth adjustable slit 5.
More specifically, feeding inlet fixing groove 2 and feeding inlet adjustable slit 5 are U-shaped groove-like structure, i.e. feeding inlet fixing groove 2
With the two sides setting backplate of feeding inlet adjustable slit 5, the section of feeding inlet fixing groove 2 and feeding inlet adjustable slit 5 is U-shaped, prevents object
Abjection slides when material slides in feeding inlet fixing groove 2 and feeding inlet adjustable slit 5.
In this embodiment, the frid of feeding inlet adjustable slit 5 is multiple-layer stacked structure, in feeding inlet adjustable slit 5
Frid abrasion need repairing when replacing, directly surface layer frid is removed and is replaced, the normal work for influencing feeding inlet adjustable slit 5 is avoided
Make.In addition, the surface layer frid of feeding inlet adjustable slit 5 is wear-resistant liner layer, i.e. the feeding inlet adjustable slit 5 and object of U-shaped groove-like structure
The bottom plate of material contact is wear-resistant liner layer, and to enhance the wearability of feeding inlet adjustable slit 5, wear-resistant liner layer surface has splayed
Or lambdoid raised lines, so that both lateral sides of material while slipping under frid along frid is had equally distributed effect；
The height of projection of raised lines is 0-10mm, and the height of raised lines can be according to transported material type, granule size concrete decision.
Raised lines is arranged in wear-resistant liner layer so that the material to fall along feeding inlet adjustable slit 5 along screening machine compass screen surface cross direction profiles more
Add uniformly.
Further, blanking port 4 is rectangle structure, and blanking port 4 is directed away from feeding inlet by feeding inlet fixing groove 2 and fixes
The side of slot 2 extends, and the length of blanking port 4 is long compared with material blanking range, avoids blanking port 4 from influencing material and normally falls, in addition,
Material frame frame 10 is set at blanking port 4, pan feeding frame 10 is connected with rack 1, and pan feeding frame 10 can be connected with screening machine, setting
Pan feeding frame 10 facilitates to be connected at blanking port 4 and the charging of screening machine.
Further, maintenance observation window 11 is also set up in rack 1, can easily observe machine through maintenance observation window 11
1 inner case of frame, side and the rack 1 for overhauling observation window 11 are hinged, and locking is arranged in the opposite other side of maintenance observation window 11
Mechanism, timely 1 inner part of maintenance frame of operator can be enabled by opening maintenance observation window 11, facilitate the replacement of wear-resistant liner layer,
Maintenance observation window 11 can be pressed in rack 1 by retaining mechanism, overhauled and also set up support lock between observation window 11 and rack 1
Chain facilitates operation, promotes user experience.
Screening machine of the invention pan feeding regulating device realizes the blanking of adjustment material by the way that feeding inlet adjustable slit 5 is arranged
The direction of position, feeding inlet fixing groove 2 towards blanking port 4 is obliquely installed, and material is slided under the effect of gravity, pan feeding
Mouth adjustable slit 5 and feeding inlet fixing groove 2 are hinged, and for driving device 6 by the driving rotation of feeding inlet adjustable slit 5, changing feeding inlet can
Projected position of the one end of slot 5 far from the feeding inlet fixing groove 2 at blanking port 4 is adjusted, realizes adjustment material blanking position
Purpose, blanking port 4 can be connected with the feed inlet of screening machine, so solve in the prior art screening installation because feeding position cannot
The problem of material caused by adjusting is unevenly distributed.In actual production utilization, by installing control device additional, sorting machine being capable of basis
Material to be sieved adjusts material blanking position and incident angle in real time, solves plate wear at screening machine compass screen surface blanking
Problem too fast, that material is unevenly distributed, material incident angle is relatively single on compass screen surface.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (7)
1. a kind of screening machine pan feeding regulating device, it is characterised in that: including rack and the feeding inlet being set in the rack
One end of fixing groove, feeding inlet adjustable slit, dedusting outlet, blanking port, the feeding inlet fixing groove is connected with the rack, institute
The one end for stating the other end and feeding inlet adjustable slit of feeding inlet fixing groove is hinged, and the feeding inlet adjustable slit is connected with driving dress
It sets, the driving device can drive the feeding inlet adjustable slit to rotate, and the driving device is set to the inner wall of the rack
On, the dedusting outlet is set to the top of the rack, the feeding inlet fixing groove and feeding inlet adjustable slit setting
It is obliquely installed in the direction at the top of the blanking port, feeding inlet fixing groove towards the blanking port, the blanking port energy
It is enough to be connected with the feed inlet of screening machine.
2. screening machine according to claim 1 pan feeding regulating device, it is characterised in that: the driving device is cylinder,
The cylinder is connected with the gentle cylinder seat support of cylinder rod bearing, and the cylinder rod bearing is connected with the feeding inlet adjustable slit, institute
Cylinder block support is stated to be set on the inner sidewall of the rack, the cylinder rod bearing and the cylinder block support respectively with it is described
Cylinder is hinged.
3. screening machine according to claim 1 pan feeding regulating device, it is characterised in that: the one of the feeding inlet fixing groove
End is hinged by one end of pin shaft and the feeding inlet adjustable slit, the pin shaft be set to the feeding inlet fixing groove and it is described enter
The bottom of material mouth adjustable slit.
4. screening machine according to claim 1 pan feeding regulating device, it is characterised in that: the feeding inlet fixing groove and institute
Stating feeding inlet adjustable slit is U-shaped groove-like structure.
5. screening machine according to claim 1 pan feeding regulating device, it is characterised in that: the feeding inlet adjustable slit is more
Wear-resistant liner layer, the wear-resistant liner is arranged far from the side of the driving device in layer overlaying structure, the feeding inlet adjustable slit
Layer has splayed or lambdoid raised lines, and the height of projection of the protrusion lines is 0-10mm.
6. screening machine according to claim 1 pan feeding regulating device, it is characterised in that: the blanking port is rectangle knot
Structure, the blanking port are extended by the side that the feeding inlet fixing groove is directed away from the feeding inlet fixing groove, the blanking port
Place is set into material frame frame, and the pan feeding frame is connected with the rack, and the pan feeding frame can be connected with screening machine.
7. screening machine according to claim 1-6 pan feeding regulating device, it is characterised in that: in the rack also
Setting maintenance observation window, the side of the maintenance observation window and the rack are hinged, described to overhaul the opposite another of observation window
Retaining mechanism is arranged in side, and the maintenance observation window can be pressed in the rack by the retaining mechanism, the maintenance observation
Support chain is also set up between window and the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706157.9A CN110252652A (en) | 2019-08-01 | 2019-08-01 | A kind of screening machine pan feeding regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706157.9A CN110252652A (en) | 2019-08-01 | 2019-08-01 | A kind of screening machine pan feeding regulating device |
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| Publication Number | Publication Date |
|---|---|
| CN110252652A true CN110252652A (en) | 2019-09-20 |
Family
ID=67912647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910706157.9A Pending CN110252652A (en) | 2019-08-01 | 2019-08-01 | A kind of screening machine pan feeding regulating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110252652A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694910A (en) * | 2019-11-20 | 2020-01-17 | 北京建工资源循环利用投资有限公司 | Dry type sorting system and sorting method for construction waste |
| CN110788748A (en) * | 2019-11-18 | 2020-02-14 | 珠海格力智能装备有限公司 | Blanking mechanism and grinding machine |
| CN113460513A (en) * | 2021-07-21 | 2021-10-01 | 温州市凯安建设有限公司 | Pitch storage tank for highway construction |
| CN113663916A (en) * | 2021-08-20 | 2021-11-19 | 北京建工资源循环利用投资有限公司 | Feeding device of sorting machine |
| CN113680666A (en) * | 2021-08-20 | 2021-11-23 | 北京建工资源循环利用投资有限公司 | Multi-mass specific weight sorting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110788748A (en) * | 2019-11-18 | 2020-02-14 | 珠海格力智能装备有限公司 | Blanking mechanism and grinding machine |
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| CN113680666A (en) * | 2021-08-20 | 2021-11-23 | 北京建工资源循环利用投资有限公司 | Multi-mass specific weight sorting machine |
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| CN113680666B (en) * | 2021-08-20 | 2022-09-02 | 北京建工资源循环利用投资有限公司 | Multi-mass specific weight sorting machine |
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