CN208894627U - A kind of cylinder feed receiving sieve - Google Patents
A kind of cylinder feed receiving sieve Download PDFInfo
- Publication number
- CN208894627U CN208894627U CN201821167762.0U CN201821167762U CN208894627U CN 208894627 U CN208894627 U CN 208894627U CN 201821167762 U CN201821167762 U CN 201821167762U CN 208894627 U CN208894627 U CN 208894627U
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- China
- Prior art keywords
- screen drum
- connect
- spring
- screen
- side wall
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- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims description 30
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 36
- 239000000428 dust Substances 0.000 description 6
- 210000003135 Vibrissae Anatomy 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 238000010851 screening effect Methods 0.000 description 4
- 239000010902 straw Substances 0.000 description 4
- 230000000903 blocking Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 240000000218 Cannabis sativa Species 0.000 description 2
- 241000209149 Zea Species 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 235000009120 camo Nutrition 0.000 description 2
- 235000005607 chanvre indien Nutrition 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 235000005824 corn Nutrition 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 235000012765 hemp Nutrition 0.000 description 2
- 235000012766 marijuana Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002965 rope Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static Effects 0.000 description 1
Abstract
The utility model discloses a kind of cylinder feed receiving sieves, including body, feed hopper, connection bucket and screen drum, left side of machine body wall is equipped with first charging aperture, the left side wall of screen drum is equipped with second charging aperture, one end of connection bucket passes through first charging aperture and connect with second charging aperture, the other end of connection bucket is equipped with connecting plate, the both ends of connecting plate are respectively equipped with guide groove, the lower end of feed hopper is respectively equipped with guide post, it is slidably connected in guide post insertion guide groove, guide post is equipped with the first spring, one end of first spring and the bottom of guide groove connect, the other end of first spring and the top of guide post connect；Screen drum is equipped in body, transmission shaft is equipped in screen drum, transmission shaft is equipped with connecting rod, one end of connecting rod and the inner wall of screen drum connect, the right side wall of right side wall and body that one end of transmission shaft sequentially passes through screen drum is connect with driven pulley, driven pulley is connect with driving pulley V belt translation, the output axis connection of driving pulley and motor.
Description
Technical field
The utility model relates to feed impurity removing technology field more particularly to a kind of cylinder feed receiving sieves.
Background technique
Cylindrical pre-cleaning screen is widely used in the raw material receiving portion of feed factory, provision store or other industry, is mainly used for removing
Impurity in grain or raw material, wherein impurity includes the big impurity such as straw, straw, the rope made of hemp, the scraps of paper, cornflakes or corn ear,
Also include the small impurity such as a large amount of dusts, disconnected fringe, glume or whisker, remove the impurity, it is clear at the beginning of now commonly used double-layered cylinder
Weed out except big miscellaneous and small miscellaneous, but the structure is equipped with two layers of screen drum, needs to be respectively provided with transmission device and is moved, two screen drums and
Transmission structures are complicated, cumbersome；Raw material is excessive in cylinder simultaneously, and raw material is difficult to by sufficient turn sieve in screen drum
Point, part material also has not enough time to be sieved just as screen drum is discharged in impurity jointly, and screening effect is bad；Feed hopper is set mostly
There is bending, when charging rate is fast, is easy the buildup in feed hopper；Screen drum one end is connect with transmission mechanism, and the other end is typically provided
Support screen assembly can be brought since screen drum inevitably has either large or small jerk value in operation to support roller or supporting-roller shaft
Bigger and continual impact, so the service life of support screen assembly is generally shorter, and since screen drum is beated, support roller and screen drum
It will not be permanently connected to, so transmission mechanism stress is also larger.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of cylinder feed receiving sieve.
A kind of cylinder feed receiving sieve, including body, feed hopper, connection bucket and screen drum, the left side of machine body wall are equipped with the
One feed inlet, the left side wall of the screen drum are equipped with second charging aperture, one end of the connection bucket pass through the first charging aperture with
The second charging aperture connection, the other end of the connection bucket are equipped with connecting plate, and the both ends of the connecting plate are respectively equipped with guide groove,
The lower end of the feed hopper is respectively equipped with guide post, and the guide post is inserted into the guide groove and is slidably connected, and the guide post is equipped with the
One end of one spring, first spring is connect with the bottom of the guide groove, the other end and the guide post of first spring
Top connection；
It is equipped with the screen drum in the body, transmission shaft is equipped in the screen drum, the transmission shaft is equipped with connecting rod, institute
The one end for stating connecting rod is connect with the inner wall of the screen drum, one end of the transmission shaft sequentially pass through the screen drum right side wall and
The right side wall of the body is connect with driven pulley, and the driven pulley is connect with driving pulley V belt translation, the driving pulley
With the output axis connection of motor；
Bracket is equipped in the body, the bracket is equipped with mounting base, is symmetrically arranged with two U-shapeds in the mounting base
Seat, the U-shaped seat are rotatablely connected with turning rolls respectively, are set as arc on the upside of the turning rolls, the both ends of the arc turn respectively
It is dynamic to be connected with idler wheel, rolling ring is arranged on the right side of the screen drum, the rolling ring is contacted with the idler wheel, the arc and the rolling
Circle is concentric.
Above technical scheme is preferred, and the left side of machine body wall is installed with agitating shaft, and stirring is evenly equipped on the agitating shaft
Blade, one end of the agitating shaft are protruded into the screen drum, and the stirring blade is in " Z " font.
Above technical scheme is preferred, and the inboard wall of riddle drum is equipped with spiral-shaped guide blade.
Above technical scheme is preferred, and vibrating screen is equipped with below the bracket, and the vibrating screen is obliquely installed from left to right,
The vibrating screen two sides are equipped with sliding block, and the body left and right sidewall is respectively equipped with sliding slot, and the sliding block and sliding slot sliding connect
Connect, the sliding slot bottom be equipped with fixed frame, between the sliding block and the fixed frame be equipped with second spring, the one of the second spring
End is connected with the slide block, and the other end of the second spring is connect with the fixed frame, and the bottom of the vibrating screen is equipped with vibration
Dynamic device.
Above technical scheme is preferred, and the vibrating screen position of the right side of machine body wall is equipped with discharge port, the discharging
One end of pipe is connect with the discharge port, and the other end of the discharge nozzle is connect with storage bin, and the left side wall of the storage bin is set
There is blower, the right side wall of the storage bin is equipped with fan outlet.
Above technical scheme is preferred, and impurity outlet is equipped on the right side of the screen drum cylinder, has been bolted on the impurity outlet
Cover board is equipped with big miscellaneous outlet on the body at the impurity outlet.
Above technical scheme is preferred, and the organism bottom is equipped with small miscellaneous outlet.
The utility model has the advantages and positive effects of: cylinder feed receiving sieve provided by the utility model, charging
Spring is equipped between bucket and connection bucket, after material enters connection bucket, since the gravity of material causes the vibration of connection bucket, connection
Bucket vibration makes the phenomenon that material shakes, effectively reduces feed blocking in connection bucket；Idler wheel is equipped with 4, and the power of screen drum is distributed to
On four rolling, turning rolls and U-shaped seat are rotatablely connected, and when screen drum has bounce, turning rolls adaptability rotation, idler wheel adapts to therewith
Property rotation, effectively buffered the impact force of screen drum, while ensure that contact of the idler wheel with rolling ring, screen drum wall is relatively thin, and screen drum is additional
Rolling ring, then contacted with idler wheel, improve contact strength；The setting of agitating shaft increases overturning of the material in screen drum, makes to sieve
More sufficiently；It is big miscellaneous in screen drum removing material, it is small miscellaneous in vibrating screen removing material, blower is set in storage bin, it can be by material
The blowout such as interior dust, keeps screening effect more preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the support screen assembly of an embodiment of the present invention；
Fig. 3 is the feed hopper of an embodiment of the present invention and the structural schematic diagram of connection bucket.
Wherein: 1. bodies, 2. feed hoppers, 3. connection buckets, 4. screen drums, 5. agitating shafts, 6. second springs, 7. vibrations
Dynamic device, 8. discharge nozzles, 9. storage chambers, 11. first charging apertures, 12. brackets, 13. mounting bases, 14. U-shaped seats, 15. rollings
Wheel carrier, 16. idler wheels, 17. rolling rings, 18. vibrating screens, 19. sliding slots, 21. guide posts, 22. first springs, 31. connecting plates,
32. guide groove, 41. second charging apertures, 42. transmission shafts, 43. connecting rods, 44. driven pulleys, 45. driving pulleys, 46.
Motor, 47. guide blades, 48. impurity outlets, 49. cover boards, 51. stirring blades, 91. blowers, 92. fan outlets, 93.
Glove compartment, 181. sliding blocks, 191. fixed frames, 101. big miscellaneous outlets, 102. small miscellaneous outlets.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For to the utility model system.In addition, term " first ", " second " etc. are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " etc. is defined as a result,
Sign can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise saying
Bright, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of cylinder feed receiving sieve, as shown in Figure 1, including body 1, feed hopper 2, connection bucket 3 and screen drum 4, body 1 is left
Side wall is equipped with first charging aperture 11, and the left side wall of screen drum 4 is equipped with second charging aperture 41, and one end of connection bucket 3 passes through the first charging
Mouth is connect with second charging aperture, as shown in Fig. 2, the other end of connection bucket is equipped with connecting plate 31, the both ends of connecting plate are respectively equipped with
Guide groove 32, the lower end of feed hopper are respectively equipped with guide post 21, are slidably connected in guide post insertion guide groove, guide post is equipped with the first spring
22, one end of the first spring and the bottom of guide groove connect, and the other end of the first spring and the top of guide post connect；Feed hopper and company
It connects and is equipped with the first spring between struggling against, after material enters connection bucket, since the gravity of material causes the sliding of guide post and guide groove, sliding is drawn
It plays the first spring and generates deformation, under the elastic reaction of the first spring, cause the vibration of connection bucket, connection bucket vibration makes connection bucket
The phenomenon that interior material shakes, and effectively reduces feed blocking guarantees production efficiency.
It is equipped with screen drum 4 in body 1, is equipped with transmission shaft 42 in screen drum 4, transmission shaft is equipped with connecting rod 43, and the one of connecting rod
End is connect with the inner wall of screen drum, and the power on transmission shaft is evenly distributed with onto screen drum by the setting of connecting rod, and one end of transmission shaft is successively worn
The right side wall of the right side wall and body of crossing screen drum is connect with driven pulley 44, and driven pulley is connect with 45 V belt translation of driving pulley,
The output axis connection of driving pulley and motor 46；
Bracket 12 is equipped in body 1, bracket is equipped with mounting base 13, as shown in figure 3, being symmetrically arranged with two U in mounting base
Shape seat 14, U-shaped seat are rotatablely connected with turning rolls 15 respectively, are set as arc on the upside of turning rolls, the both ends of arc are rotatablely connected respectively
There is idler wheel 16, rolling ring 17 is arranged on the right side of screen drum, rolling ring is contacted with idler wheel, and arc is concentric with rolling ring.Idler wheel is equipped with 4, will
The power of screen drum is distributed on four rolling, and turning rolls and U-shaped seat are rotatablely connected, and when screen drum has bounce, turning rolls adaptability turns
Dynamic, adaptability rotates idler wheel therewith, has effectively buffered the impact force of screen drum, while ensure that contact of the idler wheel with rolling ring, screen drum
Wall is relatively thin, the additional rolling ring of screen drum, then contacts with idler wheel, improves the contact strength of idler wheel and screen drum.Screen drum is equipped with sieve pore, sieve
Pore size is slightly larger than material size, and material and impurity small in size is enable to be sized out outside cylinder, and bulky impurity stays
In cylinder.Impurity includes the isometric big impurity of straw, straw, the rope made of hemp, the scraps of paper, cornflakes or corn ear, also includes a large amount of
Dust, disconnected fringe, glume or the isometric small impurity of whisker
1 left side wall of body is installed with agitating shaft 5, and stirring blade 51 is evenly equipped on agitating shaft, and sieve is protruded into one end of agitating shaft
In cylinder 4, stirring blade is in " Z " font.The setting of agitating shaft overturns material sufficiently in screen drum, keeps screening more complete.
Inboard wall of riddle drum is equipped with spiral-shaped guide blade 47, on the one hand guide blade increases the movement of material in cylinder,
On the other hand guide blade makes an intrabody object be moved to the other end by one end after the completion of sieving, and sundries in cylinder is discharged.
Vibrating screen 18 is equipped with below bracket 12, vibrating screen is obliquely installed from left to right, and vibrating screen two sides are equipped with sliding block 181,
Body left and right sidewall is respectively equipped with sliding slot 19, and sliding block is slidably connected with sliding slot, and sliding slot bottom is equipped with fixed frame 191, sliding block and solid
Determine to be equipped with second spring 6 between frame, one end of second spring is connect with sliding block, and the other end of second spring is connect with fixed frame, vibration
The bottom of dynamic sieve is equipped with vibrator 7.The setting of sliding block, sliding slot and second spring, when vibrator drives shaker vibration, vibration
The sliding block of sieve is in the intracorporal sliding slot sliding of machine, ram extrusion or stretching second spring, and second spring can utilize elasticity to carry out at this time
It vibrates up and down, vibration frequency and the time of vibrating screen can be increased in this way, so that screening effect is more preferable.Vibration Screen pore size is small
In material size, the sundries such as dust small in size, disconnected fringe, glume or whisker is made to be sized vibration lower part of screen.
The vibrating screen position of right side of machine body wall is equipped with discharge port, and one end of discharge nozzle 8 connect with discharge port, discharge nozzle it is another
One end is connect with storage bin 9, and the left side wall of storage bin is equipped with blower 91, and the right side wall of storage bin is equipped with fan outlet 92.Blower
The light-weight sundries such as dust, whisker in material are blown to fan outlet and drain into glove compartment 93, what is obtained in storage bin is
Material after screening.
It is equipped with impurity outlet 48 on the right side of screen drum cylinder, has been bolted cover board 49 on impurity outlet, has been equipped at impurity outlet on body
Big miscellaneous outlet 101.When screen drum operates, cover plate lid is at impurity outlet, when screen drum positive and negative rotation, material is avoided to leak out from impurity outlet, sieve
After the completion of point, cover board is opened, impurity in cylinder is discharged from impurity outlet, big miscellaneous outlet.
Organism bottom is equipped with small miscellaneous outlet 102, and impurity small in size is discharged from small miscellaneous outlet.
When work, material enters in screen drum 4 from feed inlet, and cover board 49 is placed at impurity outlet, starts motor, and screen drum rotates forward,
Material movement is driven, agitating shaft is static, and material and stirring between centers generate relative motion, to realize that agitating shaft turns over material
Turn, material is sieved, is inverted after rotating forward, by continuous positive and negative rotation, material is moved back and forth from cylinder one end to the other end,
In the process, material is sized out outside cylinder, and it is bulky impurity that it is intracorporal, which to ultimately reside in cylinder, while vibrator drives vibration
Dynamic sieve vibration, impurity small in size is sifted out, and material enters storage bin from the discharge port of body right side wall, is equipped with wind in storage bin
Machine by light-weight vertical fan outlets of sundries such as dust, whiskers in material and is discharged, and material flows into storage bin, opens
Sundries in cylinder is discharged cover board.
Cylinder feed receiving sieve provided by the utility model, is equipped with spring between feed hopper and connection bucket, material enters connection
After bucket, since the gravity of material causes the vibration of connection bucket, connection bucket vibration is shaken material in connection bucket, is effectively reduced
The phenomenon that feed blocking；Idler wheel is equipped with 4, and the power of screen drum is distributed on four rolling, and turning rolls and U-shaped seat are rotatablely connected,
When screen drum has bounce, the rotation of turning rolls adaptability, adaptability rotates idler wheel therewith, has effectively buffered the impact force of screen drum, together
When ensure that contact of the idler wheel with rolling ring, screen drum wall is relatively thin, the additional rolling ring of screen drum, then contacts with idler wheel, improves contact strength；
The setting of agitating shaft increases overturning of the material in screen drum, keeps screening more abundant；Screen drum removes big miscellaneous, the vibrating screen in material
It is small miscellaneous in removing material, blower is set in storage bin, the dust etc. in material can be blown out, be kept screening effect more preferable.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (7)
1. a kind of cylinder feed receiving sieve, it is characterised in that: including body, feed hopper, connection bucket and screen drum, the left side of machine body
Wall is equipped with first charging aperture, and the left side wall of the screen drum is equipped with second charging aperture, and one end of the connection bucket passes through described first
Feed inlet is connect with the second charging aperture, and the other end of the connection bucket is equipped with connecting plate, and the both ends of the connecting plate are distinguished
Equipped with guide groove, the lower end of the feed hopper is respectively equipped with guide post, and the guide post is inserted into the guide groove and is slidably connected, the guide post
Be equipped with the first spring, one end of first spring connect with the bottom of the guide groove, the other end of first spring and
The top of the guide post connects；
It is equipped with the screen drum in the body, transmission shaft is equipped in the screen drum, the transmission shaft is equipped with connecting rod, the company
One end of extension bar is connect with the inner wall of the screen drum, and one end of the transmission shaft sequentially passes through the right side wall of the screen drum and described
The right side wall of body is connect with driven pulley, and the driven pulley is connect with driving pulley V belt translation, the driving pulley and electricity
The output axis connection of machine；
Bracket is equipped in the body, the bracket is equipped with mounting base, is symmetrically arranged with two U-shaped seats, institute in the mounting base
It states U-shaped seat to be rotatablely connected with turning rolls respectively, is set as arc on the upside of the turning rolls, the both ends of the arc are rotatablely connected respectively
There is idler wheel, rolling ring is arranged on the right side of the screen drum, the rolling ring is contacted with the idler wheel, and the arc and the rolling ring are same
The heart.
2. cylinder feed receiving sieve according to claim 1, it is characterised in that: the left side of machine body wall is installed with stirring
Axis is evenly equipped with stirring blade on the agitating shaft, and one end of the agitating shaft is protruded into the screen drum, and the stirring blade is in
" Z " font.
3. cylinder feed receiving sieve according to claim 1, it is characterised in that: the inboard wall of riddle drum is equipped with spiral-shaped
Guide blade.
4. cylinder feed receiving sieve according to claim 1, it is characterised in that: be equipped with vibrating screen, institute below the bracket
Vibrating screen to be stated to be obliquely installed from left to right, the vibrating screen two sides are equipped with sliding block, and the body left and right sidewall is respectively equipped with sliding slot,
The sliding block is slidably connected with the sliding slot, and the sliding slot bottom is equipped with fixed frame, is equipped between the sliding block and the fixed frame
One end of second spring, the second spring is connected with the slide block, and the other end of the second spring and the fixed frame connect
It connects, the bottom of the vibrating screen is equipped with vibrator.
5. cylinder feed receiving sieve according to claim 4, it is characterised in that: the vibrating screen of the right side of machine body wall
Position is equipped with discharge nozzle, and one end of the discharge nozzle is connect with the discharge port, and the other end and storage bin of the discharge nozzle connect
It connects, the left side wall of the storage bin is equipped with blower, and the right side wall of the storage bin is equipped with fan outlet.
6. cylinder feed receiving sieve according to claim 5, it is characterised in that: be equipped with impurity removal on the right side of the screen drum cylinder
Mouthful, it has been bolted cover board on the impurity outlet, has been equipped with big miscellaneous outlet on the body at the impurity outlet.
7. cylinder feed receiving sieve according to claim 6, it is characterised in that: the organism bottom is equipped with small miscellaneous outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821167762.0U CN208894627U (en) | 2018-07-23 | 2018-07-23 | A kind of cylinder feed receiving sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821167762.0U CN208894627U (en) | 2018-07-23 | 2018-07-23 | A kind of cylinder feed receiving sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208894627U true CN208894627U (en) | 2019-05-24 |
Family
ID=66567957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821167762.0U Expired - Fee Related CN208894627U (en) | 2018-07-23 | 2018-07-23 | A kind of cylinder feed receiving sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208894627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090508A (en) * | 2020-09-04 | 2020-12-18 | 张延雄 | High-stability raw material crushing and screening device for production of environment-friendly water permeable bricks |
-
2018
- 2018-07-23 CN CN201821167762.0U patent/CN208894627U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090508A (en) * | 2020-09-04 | 2020-12-18 | 张延雄 | High-stability raw material crushing and screening device for production of environment-friendly water permeable bricks |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20200723 |
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| CF01 | Termination of patent right due to non-payment of annual fee |