CN209520029U - A kind of sandstone screening feed hopper - Google Patents
A kind of sandstone screening feed hopper Download PDFInfo
- Publication number
- CN209520029U CN209520029U CN201822276888.8U CN201822276888U CN209520029U CN 209520029 U CN209520029 U CN 209520029U CN 201822276888 U CN201822276888 U CN 201822276888U CN 209520029 U CN209520029 U CN 209520029U
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- China
- Prior art keywords
- feed hopper
- screen basket
- sandstone
- ontology
- hopper ontology
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- 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.)
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Links
- 238000012216 screening Methods 0.000 title description 14
- 230000004888 barrier function Effects 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 28
- 230000004308 accommodation Effects 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 239000004568 cement Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a kind of sandstones to screen feed hopper, it is related to concrete process equipment, including hopper ontology, feed hopper ontology offers the feeding inlet for entering conveying device for sandstone, feed hopper ontology is movably installed with screen basket at feeding inlet, screen basket offers the accommodation groove of storage sandstone, screen basket is uniformly provided with three or more sieve material holes in the slot bottom of accommodation groove, screen basket two opposite side walls extend to form barrier plate backwards to bending, two barrier plates are abutted with feed hopper ontology end face, screen basket is overlapped on the feed hopper ontology, when accumulating more larger-size sandstone in screen basket and causing in screen basket sieve material hole plug, operator from feed hopper ontology by bringing out screen basket, it is convenient to remove, it is easy to operate, disposably the sandstone in screen basket is all poured out.
Description
Technical field
The utility model relates to a kind of concrete process equipments, more specifically, it relates to which a kind of sandstone screens feed hopper.
Background technique
Concrete be by cement, coarse aggregate (cobble), fine aggregate (sand), additive and water mix, it is hardened made of one
Kind artificial stone.Sand, stone play skeleton function in concrete, and inhibit the contraction of cement, and cement and water form cement slurry, package
Gap between coarse-fine aggregate surface and filler aggregate.
In order to which intensity, the durability etc. that guarantee concrete require, the mixing ratio of sandstone and cement is needed in suitable
Range, and the size of sandstone cannot be excessive, therefore, generally requires that sandstone is crushed and screened in concrete production.
The Chinese patent of existing Publication No. CN207170203U discloses a kind of sandstone screening plant that can quickly screen,
Including cabinet, sieve is inlaid in the bottom of cabinet, the bottom of cabinet is fixedly connected with collecting box, is fixedly connected on the left of cabinet
There is motion bar, motion bar is provided with supporting leg far from one end of cabinet, fixed link, fixed link are fixedly connected on the right side of supporting leg
It is fixedly connected with the motor housing equipped with motor, is cooperated by motor and toothed disc, reaching rotates toothed disc, and toothed disc utilizes certainly
The gear of body causes cabinet the effect of vertical tremor, to complete the work of screening sandstone.
In above-mentioned technical proposal, after sieve is completed to the separation of sandstone, the sandstone of screening and filtering falls collecting box, size mistake
Big sandstone is trapped on sieve, if the sandstone for being not taken out in time delay will cause the blocking of sieve mesh to influence screening sandstone
Efficiency, and sieve is to be embedded in the bottom of box, it has not been convenient to take out, operator is caused to need that larger manpower is spent to take out and be detained
Sandstone, it is troublesome in poeration.
Utility model content
Be inconvenient to take out sandstone this problem being detained on sieve, the utility model mesh for operator in practice
Be propose a kind of sandstone screening feed hopper, by installing screen basket on feed hopper ontology, by screen basket from feed hopper sheet
It is brought out on body, convenient for disposably pouring out sandstone, concrete scheme is as follows:
A kind of sandstone screening feed hopper, including feed hopper ontology, the feed hopper ontology, which is offered, enters conveying for sandstone
The feeding inlet of device, the feed hopper ontology are movably installed with screen basket at feeding inlet, and the screen basket offers storage sand
The accommodation groove of stone, the screen basket are uniformly provided with three or more sieve material holes in the slot bottom of the accommodation groove；
The screen basket two opposite side walls extend to form barrier plate, two barrier plates and the feed hopper sheet backwards to bending
Body end face abuts, and the screen basket is overlapped on the feed hopper ontology.
Through the above technical solutions, causing sieve material hole in screen basket stifled when accumulating more larger-size sandstone in screen basket
When plug, operator is convenient to remove by bringing out screen basket from feed hopper ontology, easy to operate, disposably by screen basket
On sandstone all pour out, then screen basket is overlapped on feed hopper ontology by barrier plate, so that screen basket is sieved again
Select sandstone.
Further, spaced-apart slots are equipped between the screen basket and the feed hopper ontology, the feed hopper ontology is in institute
It states spaced-apart slots and vibration device for driving screen basket vibration is installed.
Through the above technical solutions, vibration device drives screen basket vibration, so that larger-size sandstone exists in screen basket
It is moved in screen basket, so that sandstone can be removed from sieve material hole, small sandstone can be continued to leak into feed hopper ontology, reduces behaviour
Make the frequency that personnel take out screen basket, reduces the labor intensity of operator.
Further, the vibration device include be in horizontally disposed reciprocating air cylinder, the movable end of the reciprocating air cylinder with
The screen basket connection, the fixing end of the reciprocating air cylinder are connect with the feed hopper ontology, described in the reciprocating air cylinder drive
Screen basket moves back and forth in the horizontal direction.
Through the above technical solutions, reciprocating air cylinder moves back and forth in the horizontal direction, so that it is regular to drive screen basket to do
Reciprocating motion so that under same motion state in screen basket larger-size sandstone from sieve material hole in remove, improve small sand
A possibility that stone is leaked out from sieve material hole, to improve screening efficiency.
Further, two barrier plates are towards being equipped with sliding shoe, the feed hopper on the face of the feed hopper ontology
The sliding groove being adapted to the sliding shoe is offered on ontology, the sliding shoe reciprocatingly slides in the sliding groove.
Through the above technical solutions, sliding groove provides the range that reciprocatingly slides of screen basket, while limiting screen basket can not be from
It is skidded off on feed hopper ontology, position-limiting action is played to screen basket, guarantee the normal work of screen basket.
Further, the vibration device includes vibrating motor, and described vibrating motor one end and the feed hopper ontology connect
It connects, the other end is connect with the screen basket.
Through the above technical solutions, the high-frequency vibration that vibrating motor generates drives screen basket high dither, so that screening
The sandstone stagnated on basket, which can be presented, up and down reciprocatingly to be shaken, so that a possibility that small sandstone is leaked out from sieve material hole is improved, to mention
High screening efficiency.
Further, the vibration device is arranged close to sieve material hole.
Through the above technical solutions, enabling sieve material hole farthest to receive the vibration from vibration device, to make
The sandstone that must be stopped can quickly move back and forth in screen basket, and lesser sandstone is allowed to leak into feed hopper ontology from sieve material hole.
Further, two barrier plates are set as the first barrier plate and the second barrier plate, first barrier plate with it is described
Feed hopper ontology is hinged, and the feed hopper ontology is equipped with boom hoisting, and the boom hoisting is connect with second barrier plate,
The boom hoisting drives the screen basket to overturn around it with feed hopper ontology hinged place.
Through the above technical solutions, boom hoisting hangs screen basket around the hinged place of the first barrier plate and feed hopper ontology
Overturning is played, so that the sandstone stagnated in screen basket be toppled over outward, mitigates the labor intensity of operator.
Further, the boom hoisting includes the upending frame being fixedly connected with the feed hopper ontology, the upending frame
On automatic rolling device is installed, the automatic rolling device includes the winding wheel being installed on the upending frame and driving institute
Winding wheel is stated around the driving mechanism axially rotated, the driving mechanism is installed on the upending frame, and the winding wheel is wound with steel
Cord, described wirerope one end are connect with second barrier plate.
Through the above technical solutions, operator realizes folding and unfolding wirerope by starting driving mechanism, to realize overturning
Screen basket pours out sandstone, or realizes and screen basket is reapposed in feed hopper ontology, simplifies operation.
Further, the accommodation groove is set as the through slot through the screen basket, the opposing sidewalls of the screen basket it
Between in the accommodation groove through offering mounting hole, fixed link is equipped in the mounting hole being correspondingly arranged jointly, it is described solid
Fixed pole is staggered, and the gap between the fixed link forms sieve material hole.
Through the above technical solutions, when sieve material hole is damaged, under operator need to only dismantle the fixed link of damage
It is replaced, so that sieve material process is normally carried out, guarantees the precision of sandstone screening.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) screen basket is installed by the feeding inlet in feed hopper ontology, screen basket is overlapped on feed hopper ontology, screen basket
When the more larger-size sandstone of upper accumulation causes sieve material hole plug in screen basket, operator by by screen basket from feed hopper
It is brought out on ontology, it is convenient to remove, it is easy to operate, disposably the sandstone in screen basket is all poured out；
(2) by being equipped with vibration device in fluting, vibration device drives screen basket vibration so that in screen basket size compared with
Big sandstone moves in screen basket, so that sandstone can be removed from sieve material hole, small sandstone can be continued to leak into feed hopper ontology
In.
Detailed description of the invention
Fig. 1 is the overall schematic of one embodiment of the utility model；
Fig. 2 is that the utility model is the section signal for showing vibrating motor and splitting along the middle line of feed hopper body length direction
Figure；
Fig. 3 is that the utility model is the section signal for showing reciprocating air cylinder and splitting along the middle line of feed hopper body length direction
Figure.
Appended drawing reference: 1, feed hopper ontology；101, feeding inlet；102, sliding groove；2, screen basket；21, accommodation groove；22, it sieves
Expect hole；23, mounting hole；3, spaced-apart slots；4, reciprocating air cylinder；5, sliding shoe；6, vibrating motor；7, the first barrier plate；8, the second resistance
Baffle；9, boom hoisting；91, upending frame；92, automatic rolling device；921, driving mechanism；922, winding wheel；10, fixed link；
11, wirerope.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail, but the implementation of the utility model
Mode is not limited only to this.
As shown in Figure 1, a kind of sandstone screens feed hopper, including feed hopper ontology 1, feed hopper ontology 1 are offered for sandstone
Into the feeding inlet 101 of conveying device, feed hopper ontology 1 is movably installed with screen basket 2 at feeding inlet 101, and screen basket 2 opens up
There is the accommodation groove 21 of storage sandstone, screen basket 2 is uniformly provided with sieve material hole 22 in the slot bottom of accommodation groove 21, falls into screen basket 2
Enter sandstone, be suitble to the sandstone of production concrete to wear sieving materials hole 22 and enter in feed hopper ontology 1, to transport concrete stirring
In standing.
2 two opposite side walls of screen basket extend to form barrier plate backwards to bending, and two barrier plates are supported with 1 end face of feed hopper ontology
It connects, and the width of barrier plate is equal to the thickness of 1 side wall of feed hopper ontology, so that screen basket 2 is overlapped on feed hopper ontology 1, into
Hopper ontology 1 bears the weight of screen basket 2, and screen basket 2 can be taken out from feed hopper ontology 1, the ruler that will be stopped by sieve material hole 22
Very little biggish sandstone is poured out, and screen basket 2 is cleared up.
As shown in figure 3, there are gaps to form spaced-apart slots 3, charging between 1 inner wall of outer wall and feed hopper ontology of screen basket 2
Bucket ontology 1 is equipped with the vibration device for driving screen basket 2 to shake in spaced-apart slots 3, and vibration device is arranged close to sieve material hole 22,
The vibration that vibration device generates passes to screen basket 2, realizes the automatic shake of screen basket 2.Specifically, vibration device includes reciprocal
Cylinder 4, there are two the settings of reciprocating air cylinder 4, and reciprocating air cylinder 4 is in be horizontally disposed with, movable end, that is, reciprocating air cylinder 4 of reciprocating air cylinder 4
The end of telescopic rod is fixedly connected with screen basket 2, and the fixing end of reciprocating air cylinder 4 is fixedly connected with the inner wall of feed hopper ontology 1.It drives
Dynamic reciprocating air cylinder 4, the telescopic rod movement of reciprocating air cylinder 4 drive the fast reciprocating in the horizontal direction in feed hopper ontology 1 of screen basket 2
Movement leaks into feed hopper ontology 1 so that the sandstone got lodged in sieve material hole 22 is removed from sieve material hole 22 convenient for small sandstone.
When screen basket 2 moves back and forth, barrier plate reciprocatingly slides on 1 end face of feed hopper ontology, in order to guarantee that screen basket 2 is steady
Fixed sliding, two barrier plates are towards offering sliding shoe 5, two resistances of direction of feed hopper ontology 1 on the face of feed hopper ontology 1
The sliding groove 102 being adapted to sliding shoe 5 is offered on the face of baffle, sliding shoe 5 slides in sliding groove 102, when sliding shoe 5 with
When the groove face of sliding groove 102 abuts, 2 stop motion of screen basket, thus counter motion.
As shown in Fig. 2, optimization, vibration device includes the vibrating motor 6 with high-frequency vibrating effect, vibrating motor 6
It is arranged in spaced-apart slots 3, the mounting base of vibrating motor 6 is fixedly connected with the inner wall of feed hopper ontology 1, close to one end of vibration source
It is connect with screen basket 2, so that the vibration that vibrating motor 6 generates passes to screen basket 2, screen basket 2 is simultaneously along the vertical direction and water
Square to shake, realize that the sandstone that will be got lodged in sieve material hole 22 is removed from sieve material hole 22, so that small sandstone leaks into feed hopper sheet
In body 1.
As shown in Fig. 2, two barrier plates are set as the first barrier plate 7 and the second resistance to mitigate the labor intensity of operator
Baffle 8, for the convex block at 7 edge of the first barrier plate by setting shaft, both ends of the shaft is arranged in the convex block of feed hopper ontology 1, realizes
First barrier plate 7 and feed hopper ontology 1 and feed hopper ontology 1 are hinged, and feed hopper ontology 1 is equipped with to be risen what screen basket 2 was sling
Device for hoisting 9.
Specifically, boom hoisting 9 includes upending frame 91, upending frame 91 is located at the side of the first barrier plate 7, on upending frame 91
Automatic rolling device 92 is installed, automatic rolling device 92 includes rotational installation in the winding wheel 922 on upending frame 91 and controls
Whether controlling rolling wheel 922 is around the driving mechanism 921 axially rotated, and driving mechanism 921 is arranged on upending frame 91, driving mechanism
921 are specifically configured to driving motor, and winding wheel 922 and the output shaft of driving motor are coaxially connected, and winding wheel 922 is wound with steel wire
Rope 11, one end of wirerope 11 is fixedly connected with the second barrier plate 8 far from the end face of feed hopper ontology 1, starts driving mechanism 921
Afterwards, winding wheel 922 rolls wirerope 11 around own axis, winding wheel 922, by the second barrier plate 8 toward top pull-up, so that
Screen basket 2 is overturn around shaft, so that the sandstone being detained in screen basket 2 be poured, clears up screen basket 2.
As shown in Fig. 2, accommodation groove 21 is set as through the logical of screen basket 2 to guarantee screen basket 2 to the screening precision of sandstone
Slot, in the slot bottom of accommodation groove 21 through offering mounting hole 23 between the opposing sidewalls of screen basket 2, the peace on one pair of them side wall
The position of a little higher than another pair side wall upper installing hole 23 in position in hole 23 is filled, is equipped with jointly in the mounting hole 23 being correspondingly arranged solid
Fixed pole 10, the slightly higher fixed link 10 in position are overlapped in the slightly lower fixed link 10 in position, and fixed link 10 is made of reinforcing bar, fixed link
10 are staggered, so that the gap between fixed link 10 forms sieve and expects hole 22, when sieve material hole 22 is damaged, replacement is damaged in time
Bad fixed link 10.
The course of work of the utility model is as follows:
The sandstone screened will be needed to pour into screen basket 2, start vibration device, the vibration that vibration device generates passes to sieve
Basket 2 is selected, larger-size sandstone moves in screen basket 2 in screen basket 2, so that big sandstone can be removed from sieve material hole 22, allows
Small sandstone can continue to leak into feed hopper ontology 1, when sandstone big in screen basket 2 is more, starts boom hoisting 9, will screen
Basket 2 is overturn, and the big sandstone in screen basket 2 is poured out, and clears up screen basket 2, then carry out subsequent sandstone screening.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of sandstone screens feed hopper, including feed hopper ontology (1), which is characterized in that the feed hopper ontology (1) offers
Enter the feeding inlet (101) of conveying device for sandstone, the feed hopper ontology (1) is movably installed with sieve at feeding inlet (101)
It selects basket (2), the screen basket (2) offers the accommodation groove (21) of storage sandstone, screen basket (2) the Yu Suoshu accommodation groove (21)
Slot bottom be uniformly provided with three or more sieve material holes (22)；
The two opposite side walls of the screen basket (2) extend to form barrier plate, two barrier plates and the feed hopper backwards to bending
Ontology (1) end face abuts, and the screen basket (2) is overlapped on the feed hopper ontology (1).
2. sandstone according to claim 1 screens feed hopper, which is characterized in that the screen basket (2) and the feed hopper
Spaced-apart slots (3) are equipped between ontology (1), feed hopper ontology (1) the Yu Suoshu spaced-apart slots (3) are equipped with for driving the sieve
The vibration device for selecting basket (2) to vibrate.
3. sandstone according to claim 2 screens feed hopper, which is characterized in that the vibration device includes in horizontally disposed
Reciprocating air cylinder (4), the movable end of the reciprocating air cylinder (4) connect with the screen basket (2), and reciprocating air cylinder (4) are consolidated
Fixed end is connect with the feed hopper ontology (1), and the reciprocating air cylinder (4) drives the screen basket (2) reciprocal fortune in the horizontal direction
It is dynamic.
4. sandstone according to claim 3 screens feed hopper, which is characterized in that two barrier plates are towards the feed hopper
It is equipped on the face of ontology (1) sliding shoe (5), offers the cunning being adapted to the sliding shoe (5) on the feed hopper ontology (1)
Dynamic slot (102), the sliding shoe (5) reciprocatingly slide in the sliding groove (102).
5. sandstone according to claim 2 screens feed hopper, which is characterized in that the vibration device includes vibrating motor
(6), described vibrating motor (6) one end is connect with the feed hopper ontology (1), and the other end is connect with the screen basket (2).
6. sandstone according to claim 2 screens feed hopper, which is characterized in that the vibration device expects hole close to the sieve
(22) it is arranged.
7. sandstone according to claim 1 screens feed hopper, which is characterized in that two barrier plates are set as the first barrier plate
(7) and the second barrier plate (8), first barrier plate (7) and the feed hopper ontology (1) hingedly, the feed hopper ontology (1)
It is equipped with boom hoisting (9), the boom hoisting (9) connect with second barrier plate (8), and the boom hoisting (9) drives
The screen basket (2) overturns around it with feed hopper ontology (1) hinged place.
8. sandstone according to claim 7 screens feed hopper, which is characterized in that the boom hoisting (9) include with it is described
The upending frame (91) that feed hopper ontology (1) is fixedly connected is equipped with automatic rolling device (92) on the upending frame (91), described
Automatic rolling device (92) includes the winding wheel (922) being installed on the upending frame (91) and the driving winding wheel
(922) around the driving mechanism (921) axially rotated, the driving mechanism (921) is installed on the upending frame (91), the winding
Wheel (922) is wound with wirerope (11), and described wirerope (11) one end is connect with second barrier plate (8).
9. sandstone according to claim 1 screens feed hopper, which is characterized in that the accommodation groove (21) is set as through institute
The through slot of screen basket (2) is stated, runs through at the accommodation groove (21) between the opposing sidewalls of the screen basket (2) and offers installation
Hole (23) is equipped with fixed link (10) jointly in the mounting hole (23) being correspondingly arranged, and the fixed link (10) is staggered,
Gap between the fixed link (10) forms sieve material hole (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822276888.8U CN209520029U (en) | 2018-12-29 | 2018-12-29 | A kind of sandstone screening feed hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822276888.8U CN209520029U (en) | 2018-12-29 | 2018-12-29 | A kind of sandstone screening feed hopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209520029U true CN209520029U (en) | 2019-10-22 |
Family
ID=68228861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822276888.8U Expired - Fee Related CN209520029U (en) | 2018-12-29 | 2018-12-29 | A kind of sandstone screening feed hopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209520029U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185264A (en) * | 2020-02-27 | 2020-05-22 | 福州高新区磊莎玻璃有限公司 | Be used for old and useless glass recovery unit |
| CN113731604A (en) * | 2021-09-03 | 2021-12-03 | 吴桂萍 | A treatment facility for feed processing |
| CN118023117A (en) * | 2024-04-13 | 2024-05-14 | 潍坊国特矿山设备有限公司 | Fine sand recycling machine |
-
2018
- 2018-12-29 CN CN201822276888.8U patent/CN209520029U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185264A (en) * | 2020-02-27 | 2020-05-22 | 福州高新区磊莎玻璃有限公司 | Be used for old and useless glass recovery unit |
| CN113731604A (en) * | 2021-09-03 | 2021-12-03 | 吴桂萍 | A treatment facility for feed processing |
| CN118023117A (en) * | 2024-04-13 | 2024-05-14 | 潍坊国特矿山设备有限公司 | Fine sand recycling machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201499 No. 508, Fagong Road, Fengxian District, Shanghai Patentee after: Shanghai lianding New Material Technology Co.,Ltd. Address before: Room 204, Building 3, 276 Jiefangzhong Road, Nanqiao Town, Fengxian District, Shanghai 201400 Patentee before: SHANGHAI LIANDING CONCRETE PRODUCTS Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |