CN111266152A - A equipment for useless circuit board is retrieved - Google Patents
A equipment for useless circuit board is retrieved Download PDFInfo
- Publication number
- CN111266152A CN111266152A CN202010197273.5A CN202010197273A CN111266152A CN 111266152 A CN111266152 A CN 111266152A CN 202010197273 A CN202010197273 A CN 202010197273A CN 111266152 A CN111266152 A CN 111266152A
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- China
- Prior art keywords
- cavity
- crushing
- water
- chamber
- waste
- 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.)
- Withdrawn
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- 239000002699 waste material Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 34
- 229910052802 copper Inorganic materials 0.000 claims description 34
- 239000010949 copper Substances 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 17
- 239000002351 wastewater Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000003365 glass fiber Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006063 cullet Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses equipment for recycling waste circuit boards, which comprises a sorting machine body, wherein a feeding frame capable of feeding the waste circuit boards into the sorting machine body is fixedly arranged on the top wall of the sorting machine body, an upward feeding cavity with an opening is arranged in the feeding frame, and a crushing cavity is arranged on the lower side of the feeding cavity.
Description
Technical Field
The invention relates to the technical field of waste circuit board recovery, in particular to equipment for recovering a waste circuit board.
Background
The composition of useless circuit board is complicated, the recovery processing degree of difficulty is big, and the circuit board has added a large amount of organic substances in process of production, consequently if useless circuit board handles improper can produce serious pollution to the environment, generally to the processing of useless circuit board carry out the breakage with useless circuit board to a certain extent earlier, then adopt gravity ore dressing technique to handle broken copper grain and garrulous glass fiber, nevertheless can produce the dust in crushing process, thereby the inside pollution organism of attached to organism, and reduce the quality of the copper grain that final separation obtained.
Disclosure of Invention
The object of the present invention is to provide a device for the recovery of waste circuit boards, which overcomes the above-mentioned drawbacks of the prior art.
The equipment for recycling the waste circuit boards comprises a sorting machine body, wherein a feeding frame capable of feeding the waste circuit boards into the sorting machine body is fixedly arranged on the top wall of the sorting machine body, a feeding cavity with an upward opening is formed in the feeding frame, a crushing cavity is arranged on the lower side of the feeding cavity, a crushing device capable of crushing the waste circuit boards into granular crushed materials is arranged in the crushing cavity, the crushing device comprises a crushing shaft which is arranged in the crushing cavity in a left-right symmetrical mode and is rotatably arranged, a roller which is fixedly arranged on the crushing shaft, a water inlet pipeline capable of feeding water into the crushing cavity and fusing the crushed materials into slurry is arranged on the left side of the crushing cavity, so that dust pollution in the crushing process is avoided, a first ball valve capable of controlling the water to enter the crushing cavity is arranged in the water inlet pipeline, a sieve shaking box capable of separating copper particles from crushed fibers is arranged on the lower side of the crushing cavity, shake the sieve case including being located the ascending sieve chamber that shakes of opening of broken chamber downside, it is equipped with cavity one to shake sieve chamber left side, cavity one left side is equipped with the water inlet, the water inlet with it is equipped with the hose of intaking to shake between the sieve case, it can control water and send into to be equipped with in the hose of intaking shake the ball valve two of sieve intracavity, it is equipped with the waste residue collection chamber that can deposit behind the sieve to shake sieve chamber downside, it is equipped with and can control the waste residue and send into to shake sieve case downside the ball valve three of intracavity is collected to the waste residue, it is equipped with cavity two to shake sieve chamber right side, two right sides of cavity are equipped with and get rid of the water chamber, get rid of the water chamber with shake and be equipped with out water hose between the sieve case, it is equipped with one to go out water hose left side end and can be through the filter screen one of the mixture of copper grain and water after shaking the sieve, it installs axis of rotation one to rotate in the water chamber, thereby The pendulum rod, a axis of rotation rear side is located power is connected with motor one in the sorter, it is equipped with the filter screen two that can separate copper grain and waste water to get rid of water chamber downside, two downside of filter screen are equipped with the waste water and collect the chamber, waste water is collected the chamber rear side and is equipped with the apopore, it is equipped with ejection of compact pipeline to get rid of the water chamber right side, ejection of compact pipeline right side is equipped with the bin that can store the copper grain after separating, be equipped with in the bin and store the chamber.
On the basis of the technical scheme, the crushing device comprises a first gear which is symmetrically arranged at the left and right and is fixedly arranged on the crushing shaft and meshed with the first gear, and the rear side of the left crushing shaft is positioned in the separator body and is dynamically connected with a second motor.
On the basis of the technical scheme, wastewater collection chamber right side is equipped with guide chute one, slidable mounting has rack one in the guide chute, guide chute one right side is equipped with cavity three, axis of rotation two is installed to three internal rotations of cavity, axis of rotation two go up fixed mounting with rack one meshed gear two, axis of rotation two rear sides are located power connection has motor three in the sorter body.
On the basis of the technical scheme, a piston cavity is arranged on the left side of the water throwing cavity, a piston is slidably mounted in the piston cavity, a piston rod is connected to the right side of the piston, and the right side of the piston rod is connected with a sliding device which can be used for feeding copper particles separated from the second filter screen into a push block in the storage box.
On the basis of the technical scheme, the sieve shaker comprises a fixed block, a guide rail groove, a rotating shaft and a gear, wherein the fixed block is arranged at the rear side of the sieve shaker, the guide rail groove is formed in the fixed block, the rotating shaft is slidably arranged in the guide rail groove, the motor is positioned at the rear side of the rotating shaft and is in power connection with the sorting machine body, the gear is fixedly arranged at the rear side of the fixed block, and the gear is fixedly arranged on the rotating shaft and is meshed with the gear.
On the basis of the technical scheme, the front and back positions of the separator body are symmetrically provided with a second guide sliding groove, a second guide sliding frame which is slidably mounted in the second guide sliding groove, and a fourth cavity which is positioned in the fourth guide sliding frame, the sieve shaking box is slidably mounted in the fourth cavity, the second guide sliding groove is symmetrically provided with a third guide sliding groove, and the second guide sliding groove is slidably mounted in the third guide sliding groove and is fixedly mounted on sliding blocks on the left side and the right side of the guide sliding frame.
The invention has the beneficial effects that: according to the invention, the waste circuit board is crushed by the crushing device, water is continuously fed into the crushing cavity, dust pollution in the crushing process is avoided, separation of copper particles and broken glass fibers in the shaking screen cavity is effectively realized by sliding connection between the shaking screen box and the sliding frame and meshing transmission between the gear and the rack, secondary filtration of the copper particles is realized by the oscillating bar and the filter screen, and the quality of the copper particles is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view showing the overall construction of an apparatus for recycling waste circuit boards according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" in FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" in FIG. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-4, an apparatus for recycling waste circuit boards according to an embodiment of the present invention includes a separator body 11, a feeding frame 12 capable of feeding waste circuit boards into the separator body is fixedly disposed on a top wall of the separator body 11, a feeding cavity 13 with an upward opening is disposed in the feeding frame 12, a crushing cavity 14 is disposed at a lower side of the feeding cavity 13, a crushing device 901 capable of crushing waste circuit boards into granular crushed materials is disposed in the crushing cavity 14, the crushing device 901 includes a crushing shaft 17 rotatably disposed in the crushing cavity 14 and a roller 18 fixedly disposed on the crushing shaft 17, the crushing shaft 14 is symmetrically disposed at left and right positions, a water inlet pipe 15 capable of feeding water into the crushing cavity 14 to be mixed with the crushed materials to form slurry so as to avoid pollution of dust during crushing is disposed at a left side of the crushing cavity 14, a ball valve 16 capable of controlling water to enter the crushing cavity 14 is disposed in the water inlet pipe 15, the utility model discloses a copper particle and broken fibre separation's shake sieve case 24 is equipped with to broken chamber 14 downside, shake sieve case 24 including being located the ascending shake sieve chamber 25 that shakes of opening of broken chamber 14 downside, shake sieve chamber 25 left side and be equipped with cavity one 21, cavity one 21 left side is equipped with water inlet 20, water inlet 20 with be equipped with into water hose 22 between shaking sieve case 24, be equipped with in the water hose 22 and control water and send into ball valve two 23 in shake sieve chamber 25, shake sieve chamber 25 downside and be equipped with the waste residue collection chamber 27 that can collect the waste residue that shakes the sieve back and deposit, shake sieve case 24 downside and be equipped with the ball valve three 26 that can control the waste residue and send into in waste residue collection chamber 27, shake sieve chamber 25 right side and be equipped with cavity two 30, cavity two 30 right sides are equipped with and get rid of water chamber 31, get rid of water chamber 31 with shake and be equipped with out water hose 29 between sieve case 24, go out water hose 29 left side end and be equipped with filter screen 28 of the mixture of the copper grain after can shaking the sieve and water, 31 internal rotations in the chamber of getting rid of water are installed and are rotated shaft 35, thereby evenly distributed's pendulum rod 32 that can wash the copper grain through the mixture of throwing the copper grain and water is gone up in rotation shaft 35, 35 rear sides in of rotation shaft in 11 internal power of sorter is connected with motor 34, 31 downside in the chamber of getting rid of water is equipped with two 36 filter screens that can separate copper grain and waste water, two 36 downside filter screens are equipped with waste water collection chamber 41, 41 rear sides in waste water collection chamber are equipped with apopore 42, 31 right sides in the chamber of getting rid of water are equipped with ejection of compact pipeline 48, 48 right sides in ejection of compact pipeline are equipped with the bin 49 that can store the copper grain after separating, be equipped with in the bin 49 and store chamber.
In addition, in one embodiment, the crushing device 901 includes first gears 51 which are symmetrically arranged at left and right positions and fixedly mounted on the crushing shaft 17 and are engaged with each other, a second motor 19 is power-connected to the rear side of the left crushing shaft 17 in the separator body 11, and if the waste circuit boards are crushed into crushed materials, the second motor 19 is started to drive the left crushing shaft 17 to rotate, the right crushing shaft 17 is driven to rotate through meshing transmission between the gears, so that the left and right rollers 18 are driven to rotate and crush the waste circuit boards passing through the middle, and the purpose of crushing the waste circuit boards is achieved.
In addition, in one embodiment, a first guide chute 43 is arranged on the right side of the wastewater collection cavity 41, a first rack 63 is slidably mounted in the first guide chute 43, a third cavity 45 is arranged on the right side of the first guide chute 43, a second rotating shaft 46 is rotatably mounted in the third cavity 45, a second gear 44 meshed with the first rack 63 is fixedly mounted on the second rotating shaft 46, and a third motor 47 is dynamically connected to the rear side of the second rotating shaft 46 in the separator body 11.
In addition, in one embodiment, be equipped with piston chamber 39 on the left of the chamber 31 that gets rid of water, slidable mounting has piston 37 in the piston chamber 39, piston 37 right side is connected with piston rod 38, piston rod 38 right side is connected with slidable mounting can be in the piston chamber 39 in with the copper grain that separates on the two filter screens 36 is sent into ejector pad 40 in the storage box 49, if will send the copper grain into storage box 49, then the driving motor three 47 drives two 46 rotations of axis of rotation to drive two 44 rotations of gear, drive rack 63 lapse through the meshing between wheel and the rack, compress simultaneously in the piston chamber 39 air drive piston 37 and promote ejector pad 40 and slide right, thereby promote the copper grain on the two filter screens 36 and send into ejection of compact pipeline 48, fall into storage box 49 then in, realize the mesh of copper grain transportation.
In addition, in one embodiment, the shaker box 24 includes a fixed block 52 which is arranged at the rear side of the shaker box 24 and is arranged symmetrically in the front-rear direction, a guide rail groove 62 which is arranged in the fixed block 52, a rotating shaft third 54 which is slidably arranged in the guide rail groove 62, a motor fourth 55 which is in power connection with the rear side of the rotating shaft third 54 and is arranged in the sorting machine body 11, a rack second 56 which is fixedly arranged at the rear side of the fixed block 52, and a gear third 53 which is fixedly arranged on the rotating shaft third 54 and is meshed with the rack second 56.
In addition, in one embodiment, the separator body 11 is symmetrically provided with a second guide chute 61, a second guide chute 60 slidably mounted in the second guide chute 61, and a fourth cavity 57 located in the second guide chute 60, the sieve shaking box 24 is slidably mounted in the fourth cavity 57, the second guide chute 61 is symmetrically provided with a third guide chute 58 and sliding blocks 59 slidably mounted in the third guide chute 58 and fixedly mounted on the left and right sides of the second guide chute 60, if the sieve shaking is to separate the copper particles from the cullet fibers, the motor four 55 on the front and rear sides is started, so as to drive the third rotating shaft 54 and the third gear 53 to rotate, and the second rack 56 is driven to rotate through the engagement between the gear and the rack, so as to drive the sieve shaking box 24 to slide upwards while the second guide chute 60 slides rightwards, thereby achieving the purpose of separating the copper particles by sieve shaking.
In the initial state, the piston 37 is positioned at the left extreme end of the piston cavity 39, the rack I63 is positioned at the upper extreme end of the guide chute I43, the sieve shaker box 24 is positioned at the lower extreme end of the cavity IV 57, the slide block 59 is positioned at the left extreme end of the guide chute III 58, the slide guide frame 60 is positioned at the left extreme end of the guide chute II 61, the ball valve I16 is closed, the ball valve II 23 is closed, and the ball valve III 26 is closed.
When copper particles and broken glass fibers need to be separated, the rollers 18 on the left side and the right side are driven by the second starting motor 19 to rotate, extrude, crush and drop waste circuit boards, the first ball valve 16 is opened simultaneously, water is sent into the broken cavity 14 to mix broken copper particles and broken glass fibers, the motor four 55 on the front side and the rear side drives the shaking screen box 24 to slide upwards and guide the sliding frame 60 to slide rightwards, the second ball valve 23 is opened simultaneously, the mixture in the shaking screen cavity 25 is washed simultaneously during shaking screening, the separated copper particles are sent into the water throwing cavity 31 through the first filter screen 28 and the water, and the purpose of separating the copper particles from the broken glass fibers through shaking screening is achieved.
The invention has the beneficial effects that: according to the invention, the waste circuit board is crushed by the crushing device, water is continuously fed into the crushing cavity, dust pollution in the crushing process is avoided, separation of copper particles and broken glass fibers in the shaking screen cavity is effectively realized by sliding connection between the shaking screen box and the sliding frame and meshing transmission between the gear and the rack, secondary filtration of the copper particles is realized by the oscillating bar and the filter screen, and the quality of the copper particles is effectively improved.
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 (6)
1. The utility model provides an equipment for useless circuit board is retrieved, includes the sorter body, its characterized in that: the top wall of the separator body is fixedly provided with a feeding frame capable of feeding a waste circuit board into the separator body, an upward opening feeding cavity is arranged in the feeding frame, a crushing cavity is arranged on the lower side of the feeding cavity, a crushing device capable of crushing the waste circuit board into granular crushed materials is arranged in the crushing cavity, the crushing device comprises a crushing shaft and a roller, the crushing shaft is rotatably arranged in the crushing cavity, the roller is fixedly arranged on the crushing shaft, the crushing shaft is symmetrically arranged on the left side and the right side, the roller is rotatably arranged in the crushing cavity, a water inlet pipeline capable of feeding water into the crushing cavity and fusing the water with the crushed materials to form slurry so as to avoid dust pollution in the crushing process is arranged on the left side of the crushing cavity, a first ball valve capable of controlling water to enter the crushing cavity is arranged in the water inlet pipeline, a shaking screen box capable of separating copper particles from crushed fibers is arranged on the lower side of the, the device is characterized in that a first cavity is arranged on the left side of the shaking screen cavity, a water inlet is arranged on the left side of the first cavity, a water inlet hose is arranged between the water inlet and the shaking screen box, a ball valve II capable of controlling water to be fed into the shaking screen cavity is arranged in the water inlet hose, a waste residue collecting cavity capable of collecting waste residues precipitated after the shaking screen is arranged on the lower side of the shaking screen cavity, a ball valve III capable of controlling the waste residues to be fed into the waste residue collecting cavity is arranged on the lower side of the shaking screen box, a second cavity is arranged on the right side of the shaking screen cavity, a water throwing cavity is arranged on the right side of the second cavity, a water outlet hose is arranged between the water throwing cavity and the shaking screen box, a first filter screen capable of passing through a mixture of copper particles and water after the shaking screen is arranged at the tail end of the left side of the water outlet hose, a first rotating shaft is rotatably arranged, one rear side of axis of rotation is located power is connected with motor one in the sorter, it is equipped with the filter screen two that can separate copper grain and waste water to get rid of water chamber downside, two downside of filter screen are equipped with the waste water and collect the chamber, waste water is collected the chamber rear side and is equipped with the apopore, it is equipped with ejection of compact pipeline to get rid of water chamber right side, ejection of compact pipeline right side is equipped with the bin that can store the copper grain after the separation, be equipped with the storage chamber in the bin.
2. The apparatus of claim 1, wherein: the crushing device comprises a first gear which is symmetrically arranged at the left and right and is fixedly arranged on the crushing shaft and meshed with the first gear, and the rear side of the crushing shaft at the left side is dynamically connected with a second motor in the separator body.
3. The apparatus of claim 1, wherein: waste water collection chamber right side is equipped with guide chute one, slidable mounting has rack one in the guide chute, guide chute one right side is equipped with cavity three, axis of rotation two is installed to three internal rotations of cavity, on the axis of rotation two fixed mounting with rack one meshed gear two, two rear sides of axis of rotation are located sorter internal power is connected with motor three.
4. The apparatus according to claim 3, wherein: get rid of water chamber left side and be equipped with the piston chamber, piston intracavity slidable mounting has the piston, the piston right side is connected with the piston rod, the piston rod right side is connected with slidable mounting and is in the piston intracavity can with the copper grain of separation is sent into on the filter screen two the ejector pad in the bin.
5. The apparatus according to claim 3, wherein: the sieve shaker box comprises a fixing block, a guide rail groove and a sliding installation, wherein the fixing block is arranged on the rear side of the sieve shaker box and is positioned in the fixing block, the guide rail groove is formed in the fixing block, the rotating shaft is arranged in the guide rail groove, the rear side of the rotating shaft is positioned in a motor four and a gear three which are connected through power in the separator body are fixedly installed on the rear side of the fixing block, and the gear three is arranged on the rotating shaft and meshed with the gear two.
6. The apparatus according to claim 5, wherein: the sorting machine is characterized in that a second guide sliding groove, a second guide sliding frame and a fourth cavity are symmetrically arranged in the second guide sliding groove, the fourth cavity is located in the second guide sliding frame, the sieve shaking box is slidably arranged in the fourth cavity, a third guide sliding groove and sliding blocks are symmetrically arranged in the third guide sliding groove, and the sliding blocks are fixedly arranged on the left side and the right side of the second guide sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010197273.5A CN111266152A (en) | 2020-03-19 | 2020-03-19 | A equipment for useless circuit board is retrieved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010197273.5A CN111266152A (en) | 2020-03-19 | 2020-03-19 | A equipment for useless circuit board is retrieved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111266152A true CN111266152A (en) | 2020-06-12 |
Family
ID=70994525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010197273.5A Withdrawn CN111266152A (en) | 2020-03-19 | 2020-03-19 | A equipment for useless circuit board is retrieved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111266152A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117619518A (en) * | 2023-11-29 | 2024-03-01 | 湖北理工学院 | Metal recovery device of waste circuit board |
-
2020
- 2020-03-19 CN CN202010197273.5A patent/CN111266152A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117619518A (en) * | 2023-11-29 | 2024-03-01 | 湖北理工学院 | Metal recovery device of waste circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200612 |
|
| WW01 | Invention patent application withdrawn after publication |