CN111359923B - Building steel surface dust cleaning device - Google Patents
Building steel surface dust cleaning device Download PDFInfo
- Publication number
- CN111359923B CN111359923B CN202010199112.XA CN202010199112A CN111359923B CN 111359923 B CN111359923 B CN 111359923B CN 202010199112 A CN202010199112 A CN 202010199112A CN 111359923 B CN111359923 B CN 111359923B
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- fixedly connected
- disc
- swing arm
- adjusting
- dust
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 57
- 239000010959 steel Substances 0.000 title claims abstract description 57
- 239000000428 dust Substances 0.000 title claims abstract description 49
- 238000004140 cleaning Methods 0.000 title claims abstract description 31
- 238000010276 construction Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011086 high cleaning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B08B1/12—
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- B08B1/20—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/007—Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
Landscapes
- Cleaning In General (AREA)
Abstract
The invention relates to the field of buildings and discloses a device for cleaning dust on the surface of building steel, wherein a guide cylinder is arranged in a machine body, a connecting cylinder is sleeved outside the guide cylinder in a rotating mode, a rotary disc is fixedly connected to the outer side of the connecting cylinder through an arc-shaped block, the rotary disc is fixedly connected with a mounting disc through a connecting rod, the left side of the mounting disc is respectively provided with an adjusting disc, a connecting column, a fixed block, a screw rod and a moving block, the outer side of the adjusting disc is fixedly connected with an adjusting arm, the left side of the connecting column is rotatably connected with one end of a swing arm, the other end of the swing arm is movably connected with a hairbrush, the hairbrush is connected with an independent driving device, and the top of the machine body is fixedly connected with a high-pressure air inlet. This based on building steel surface dust cleaning device, through rotatory screw rod, the swing arm is rotatory, makes the brush inwards stretch out and rotate, cleans the steel surface, has reached the purpose that improves clean effect through cleaning device's the independent rotation of whole rotation and brush.
Description
Technical Field
The invention relates to the field of buildings, in particular to a building steel surface dust cleaning device
Background
A large amount of construction materials are needed in building construction, steel is one of the most important materials, the surface of steel needs to be coated during the use process of part of steel, the steel is decorated and protected, and before coating, the steel needs to be cleaned so as to ensure that the coating can be completely attached to the surface of the steel, the coating effect is improved, and the quality of the coating is ensured.
At present when cleaning steel, adopt technologies such as pickling thoroughly clean more, but after wasing, the steel surface adsorbs the dust easily, the laminating degree on coating and steel surface has been influenced to a certain extent, and some steel are after clean, unable timely application, deposit the in-process, the surface of steel accumulates more dust easily, this kind of steel makes the coating can't play the guard action easily after the application, cause steel life to shorten, consequently, need go grey processing to the surface of steel, at present most adopt artifical deashing, deashing inefficiency, and cleaning effect is relatively poor, some cleaning device can't satisfy the demand of automatic feeding, work efficiency has been restricted to a certain extent, be unfavorable for big batch operation, and the work load is increased, and the operating time is prolonged.
Solves the technical problem
In view of the above problems in the prior art, an aspect of the present invention is to provide a device for cleaning dust on the surface of building steel, which solves the above problems in the prior art, and has the advantages of high cleaning degree, prevention of dust scattering, and capability of being used in cooperation with a feeding device.
Disclosure of Invention
In order to achieve the purposes of high cleaning degree, dust scattering prevention and matching with a feeding device, the invention provides the following technical scheme: a building steel surface dust cleaning device comprises: the machine body, a guide cylinder, a connecting cylinder, an arc-shaped block, a rotary disc, a connecting rod, a mounting disc, an adjusting disc, a connecting column, a fixed block, a screw rod, a moving block, an adjusting arm, a swing arm, a brush, a high-pressure air inlet, a suction pipe, a dust collection box and a balance pipe.
The internally mounted of organism has the guide cylinder, the connecting cylinder has been cup jointed in the outside rotation of guide cylinder, arc piece fixedly connected with carousel is passed through in the outside of connecting cylinder, the carousel passes through connecting rod fixedly connected with mounting disc, the left side of mounting disc is provided with the adjustment disk respectively, the spliced pole, the fixed block, screw rod and movable block, the outside fixedly connected with regulating arm of adjustment disk, the left side of spliced pole is rotated and is connected with the one end of swing arm, the other end swing joint of swing arm has the brush, the brush is connected with independent drive arrangement, the top fixedly connected with high-pressure air inlet of organism, high-pressure air inlet's the outside is connected with high-pressure blast apparatus, the organism passes through suction tube fixedly connected with dust collection box, the inside fixedly connected with balance tube of dust collection box.
Preferably, the adjusting disk is two hollow disks arranged in bilateral symmetry, a moving groove matched with the swing arm is formed between the two hollow disks, the swing arm is rotatably connected with the adjusting disk, the swing arm can pass through the adjusting disk to rotate, the moving groove is used for completing stretching and shrinking work, and the contact degree of the steel can be selectively adjusted.
Preferably, the left side and the right side of the machine body are respectively provided with a feeding hole and a discharging hole which correspond to each other in position, so that steel can pass through the inside of the machine body through the feeding hole and the discharging hole, the normal operation of the device is ensured, and the feeding is not influenced.
Preferably, the mounting groove with the adaptation of arc piece is seted up in the outside of connecting cylinder, makes arc piece accessible mounting groove and connecting cylinder fixed, makes the connecting cylinder can drive the carousel synchronous revolution when rotating.
Preferably, the through-hole with the equal adaptation of feed inlet and discharge gate is seted up to the inside of guide cylinder, makes steel can pass the through-hole in the guide cylinder from the feed inlet to wear out from the discharge gate, avoid steel just to take place the skew when removing, improve the stability of device.
Preferably, the fixed block and the moving block are internally provided with threaded holes matched with the screw rod, and the moving block is movably connected with the adjusting arm, so that when the screw rod rotates, the moving block can be driven to move through the threaded holes, and the moving block can drive the adjusting disc to deflect by using the adjusting arm.
Advantageous effects
Compared with the prior art, the invention provides a building steel surface dust cleaning device, which has the following beneficial effects:
1. the cleaning device based on dust on the surface of building steel is used by matching a turntable, a connecting rod, a mounting disc, an adjusting disc, a screw rod, a moving block, an adjusting arm, a swinging arm and a hairbrush, and has the advantages that when the device works, the moving block is driven to move along the screw rod by rotating the screw rod, the moving block drives the adjusting disc to rotate by the adjusting arm, and the swinging arm is rotationally connected with the mounting disc and the adjusting disc, so that under the action of a connecting column, the swinging arm rotates, the hairbrush extends inwards and rotates to be in contact with the surface of the steel to be cleaned, the turntable drives the mounting disc to rotate by the connecting rod to clean the surface of the steel, and the purpose of improving the cleaning effect by the integral rotation of the cleaning device and the independent rotation of the hairbrush is achieved due to different fine degrees of the hairbrush, the cleaning quality is effectively improved, the dust attached to the surface of the steel is thoroughly cleaned, and the coating material is beneficial to the attached steel, the service life of the device is prolonged.
2. The cleaning device for dust on the surface of building steel is used in cooperation with the guide cylinder, the connecting cylinder, the screw rod and the swing arm, and has the advantages that when the device works, the screw rod rotates to drive the adjusting disc to rotate, so that the brush extends out, steel passes through the machine body through the through hole in the guide cylinder and the adjusting disc, as the connection relationship between the guide cylinder and the connecting cylinder is in rotating connection, and the guide cylinder is fixedly connected inside the machine body, the guide cylinder cannot deflect when in work, the linear feeding of the device is ensured, the work of a horizontal feeding device is not influenced, the purpose of being matched with a common feeding device is achieved, the working efficiency of the device is effectively improved, the workload of workers is reduced, the production efficiency is improved, and when the cleaning function is not needed, the brush can be retracted through the screw rod, the unnecessary abrasion of the brush is avoided, and the service life of the device is further prolonged, the use cost is reduced, and the inconvenience caused by the installation and the disassembly of the device is avoided.
3. This based on building steel surface dust cleaning device, through high-pressure air inlet, the cooperation of suction tube and dust collection box is used, it is at the during operation to possess the device, high-pressure air inlet blows in high-pressure draught to the inside of organism, steel and feed inlet and discharge gate cooperation that pass from the organism, comparatively confined space has been formed in making the organism, the pressure in the organism risees under high-pressure draught's effect this moment, the dust collection box passes through balance pipe and external pressure keeps unanimous, under the effect of the pressure in the organism, the air current removes to the dust collection box, inhale the inside of dust collection box with the dust in the organism, the mesh of avoiding the dust to fly away has been reached, work environment's cleanness has been guaranteed, the dust of having avoided flying upward simultaneously carries out secondary pollution to steel, further improvement cleaning performance.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention, with the device in an inoperative state;
FIG. 2 is a left side view of the cleaning structure of the present invention, with the device in an operational position;
FIG. 3 is a left side view of the cleaning structure of the present invention, with the device in an inoperative position;
FIG. 4 is a left side view of the turntable structure of the present invention with the device in an inoperative condition;
FIG. 5 is a schematic front view of the connector barrel of the present invention, with the device in an inoperative condition;
FIG. 6 is a left side elevational view of the guide cylinder and connector cylinder of the present invention, with the device in an inoperative condition;
FIG. 7 is a left side view of the swing arm and brush arrangement of the present invention, when the device is in an inoperative position.
The main reference numbers:
the device comprises a machine body 1, a guide cylinder 2, a connecting cylinder 3, an arc-shaped block 4, a rotary table 5, a connecting rod 6, a mounting disc 7, an adjusting disc 8, a connecting column 9, a fixed block 10, a screw rod 11, a moving block 12, an adjusting arm 13, a swing arm 14, a brush 15, a high-pressure air inlet 16, a suction pipe 17, a dust collection box 18 and a balance pipe 19.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions in the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.
Referring to fig. 1-7, a device for cleaning dust on the surface of steel products for construction is disclosed. It will be appreciated by those skilled in the art that other similar connections may be used to implement the present invention. Such as welding, bonding, or screwing.
In a further proposed technical scheme of the present invention, a device for cleaning dust on the surface of building steel comprises: the device comprises a machine body 1, a guide cylinder 2, a connecting cylinder 3, an arc-shaped block 4, a rotary table 5, a connecting rod 6, a mounting disc 7, an adjusting disc 8, a connecting column 9, a fixed block 10, a screw rod 11, a moving block 12, an adjusting arm 13, a swing arm 14, a brush 15, a high-pressure air inlet 16, a suction pipe 17, a dust collection box 18 and a balance pipe 19.
Further referring to fig. 1-7, a guide cylinder 2 is installed inside the machine body 1, a feed port and a discharge port corresponding to each other in position are respectively disposed on the left side and the right side of the machine body 1, so that steel can pass through the interior of the machine body 1 through the feed port and the discharge port, normal operation of the device is ensured, and no influence is generated on feeding, through holes matched with both the feed port and the discharge port are formed in the guide cylinder 2, so that the steel can pass through the through holes in the guide cylinder 2 from the feed port and pass out from the discharge port, thereby avoiding the steel from shifting when moving, improving the stability of the device, a connecting cylinder 3 is rotatably sleeved on the outer side of the guide cylinder 2, a turntable 5 is fixedly connected to the outer side of the connecting cylinder 3 through an arc block 4, a mounting groove matched with the arc block 4 is formed on the outer side of the connecting cylinder 3, so that the arc block 4 can be fixed with the connecting cylinder 3 through the mounting groove, and the connecting cylinder can drive the turntable 5 to rotate synchronously, the rotary disc 5 is fixedly connected with a mounting disc 7 through a connecting rod 6, the left side of the mounting disc 7 is respectively provided with an adjusting disc 8, a connecting column 9, a fixed block 10, a screw rod 11 and a moving block 12, the inner parts of the fixed block 10 and the moving block 12 are respectively provided with a threaded hole matched with the screw rod 11, the relationship between the moving block 12 and the adjusting arm 9 is movable connection, when the screw rod 11 rotates, the threaded hole can drive the moving block 12 to move, the moving block 12 can drive the adjusting disc 8 to deflect by utilizing the adjusting arm 9, the outer side of the adjusting disc 8 is fixedly connected with an adjusting arm 13, the adjusting disc 8 is two hollow discs which are symmetrically arranged left and right, a moving groove matched with a swing arm 14 is arranged between the two hollow discs, the relationship between the swing arm 14 and the adjusting disc 8 is rotary connection, the swing arm 14 can complete the extending and retracting work by utilizing the moving groove through the rotation of the adjusting disc 8, and the contact degree with steel can be selectively adjusted, the left side of spliced pole 9 is rotated and is connected with the one end of swing arm 14, and the other end swing joint of swing arm 14 has brush 15, and brush 15 is connected with independent drive arrangement, and the top fixedly connected with high-pressure air inlet 16 of organism 1, the outside of high-pressure air inlet 16 are connected with high-pressure blast apparatus, and organism 1 passes through suction tube 17 fixedly connected with dust collection box 18, the inside fixedly connected with balance tube 19 of dust collection box 18.
The working process and the principle of the device are as follows:
referring to fig. 1-7, the device uses the turntable 5, the connecting rod 6, the mounting disc 7, the adjusting disc 8, the screw rod 11, the moving block 12, the adjusting arm 12, the swing arm 14 and the brush 15 in cooperation, when the device works, the screw rod 11 is rotated to drive the moving block 12 to move along the screw rod 11, the moving block 12 drives the adjusting disc 8 to rotate through the adjusting arm 13, because the swing arm 14 is rotatably connected with the mounting disc 7 and the adjusting disc 8, under the action of the connecting column 9, the swing arm 14 rotates to enable the brush 15 to extend inwards and rotate to be in contact with the surface of steel to be cleaned, the turntable 5 drives the mounting disc 7 to rotate through the connecting rod 6 to clean the surface of the steel, and because the brush 15 has different fine degrees, the purpose of improving the cleaning effect through the integral rotation of the cleaning device and the independent rotation of the brush 15 is achieved, the cleaning quality is effectively improved, the dust attached to the surface of the steel is thoroughly cleaned, so that the coating material is favorably attached to the steel, and the service life of the steel is prolonged.
Referring to fig. 1-7, the device uses the guide cylinder 2, the connecting cylinder 3, the screw rod 11 and the swing arm 14 in cooperation, when the device works, the screw rod 11 rotates to drive the adjusting disc 8 to rotate, so that the brush 15 extends out, steel passes through the machine body 1 through the through hole in the guide cylinder 2 and the adjusting disc 8, because the connection relationship between the guide cylinder 2 and the connecting cylinder 3 is the rotating connection, and the guide cylinder 2 is fixedly connected in the machine body 1, the guide cylinder 2 does not deflect when working, the linear feeding of the device is ensured, the work of the horizontal feeding device is not affected, the purpose of being matched with a common feeding device is achieved, the working efficiency of the device is effectively improved, the workload of workers is reduced, the production efficiency is improved, and when the cleaning function is not needed, the brush 15 can be retracted through the screw rod 11, the unnecessary abrasion of the brush 15 is avoided, the service life of the device is further prolonged, the use cost is reduced, and inconvenience caused by installation and disassembly of the device is avoided.
Referring to fig. 1-7, the device is used by matching the high-pressure air inlet 16, the suction pipe 17 and the dust collection box 18, when the device works, the high-pressure air inlet 16 blows high-pressure air flow into the machine body 1, steel materials penetrating from the machine body 1 are matched with the feed inlet and the discharge outlet, so that a relatively closed space is formed in the machine body 1, at the moment, the pressure in the machine body 1 is increased under the action of the high-pressure air flow, the dust collection box 18 keeps consistent with the external pressure through the balance pipe 19, under the action of the pressure in the machine body 1, the air flow moves into the dust collection box 18, and dust in the machine body 1 is sucked into the dust collection box 18, so that the purpose of preventing the dust from scattering is achieved, the cleaning of a working environment is ensured, the flying dust is prevented from secondarily polluting the steel materials, and the cleaning effect is further improved.
The above embodiments are merely exemplary embodiments of the present invention, which is not intended to limit the present invention, and the scope of the present invention is defined by the appended claims. Various modifications and equivalents may be made by those skilled in the art to the present invention without departing from the spirit and scope of the invention, and such modifications and equivalents should be considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a building steel surface dust cleaning device, includes organism (1), its characterized in that: a guide cylinder (2) is arranged in the machine body (1), a connecting cylinder (3) is rotatably sleeved on the outer side of the guide cylinder (2), a rotary disc (5) is fixedly connected to the outer side of the connecting cylinder (3) through an arc-shaped block (4), a mounting disc (7) is fixedly connected to the rotary disc (5) through a connecting rod (6), an adjusting disc (8) and a connecting column (9) are respectively arranged on the left side of the mounting disc (7), the adjustable dust collector comprises a fixing block (10), a screw rod (11) and a moving block (12), an adjusting arm (13) is fixedly connected to the outer side of an adjusting disc (8), one end of a swing arm (14) is rotatably connected to the left side of a connecting column (9), a brush (15) is movably connected to the other end of the swing arm (14), a high-pressure air inlet (16) is fixedly connected to the top of a machine body (1), the machine body (1) is fixedly connected with a dust collection box (18) through a suction pipe (17), and a balance pipe (19) is fixedly connected to the inner portion of the dust collection box (18).
2. The apparatus for removing dust on the surface of construction steel according to claim 1, wherein: the adjusting disc (8) is two hollow discs which are arranged in bilateral symmetry, a moving groove matched with the swing arm (14) is formed between the two hollow discs, and the swing arm (14) is rotatably connected with the adjusting disc (8).
3. The apparatus for removing dust on the surface of construction steel according to claim 1, wherein: the left side and the right side of the machine body (1) are respectively provided with a feeding hole and a discharging hole which correspond to each other in position.
4. The apparatus for removing dust on the surface of construction steel according to claim 1, wherein: the outer side of the connecting cylinder (3) is provided with a mounting groove matched with the arc-shaped block (4).
5. The apparatus for removing dust on the surface of construction steel according to claim 1, wherein: the through hole that all adapts with feed inlet and discharge gate is seted up to the inside of guide cylinder (2).
6. The apparatus for removing dust on the surface of construction steel according to claim 1, wherein: threaded holes matched with the screw rods (11) are formed in the fixed block (10) and the moving block (12), and the moving block (12) is movably connected with the adjusting arm (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010199112.XA CN111359923B (en) | 2020-03-20 | 2020-03-20 | Building steel surface dust cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010199112.XA CN111359923B (en) | 2020-03-20 | 2020-03-20 | Building steel surface dust cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111359923A CN111359923A (en) | 2020-07-03 |
| CN111359923B true CN111359923B (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010199112.XA Expired - Fee Related CN111359923B (en) | 2020-03-20 | 2020-03-20 | Building steel surface dust cleaning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111359923B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433252A (en) * | 2013-08-30 | 2013-12-11 | 张家港市潮信锌绳有限公司 | Steel wire rope cleaning machine |
| CN106238366A (en) * | 2016-08-09 | 2016-12-21 | 刘德平 | A kind of fire-fighting concrete on fire device for high-efficiency cleaning |
| CN107838793A (en) * | 2017-10-27 | 2018-03-27 | 成都五七零二科技有限公司 | A kind of building board is from dedusting polishing and grinding apparatus |
| CN109158996A (en) * | 2018-07-05 | 2019-01-08 | 广州凯燃环保工程技术有限公司 | A kind of lid maker mold materials of the highly corrosion resistant of environmental protection |
| CN208894720U (en) * | 2018-10-15 | 2019-05-24 | 天津市大港镀锌厂 | A kind of electrophoretic painting cleaning device |
-
2020
- 2020-03-20 CN CN202010199112.XA patent/CN111359923B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433252A (en) * | 2013-08-30 | 2013-12-11 | 张家港市潮信锌绳有限公司 | Steel wire rope cleaning machine |
| CN106238366A (en) * | 2016-08-09 | 2016-12-21 | 刘德平 | A kind of fire-fighting concrete on fire device for high-efficiency cleaning |
| CN107838793A (en) * | 2017-10-27 | 2018-03-27 | 成都五七零二科技有限公司 | A kind of building board is from dedusting polishing and grinding apparatus |
| CN109158996A (en) * | 2018-07-05 | 2019-01-08 | 广州凯燃环保工程技术有限公司 | A kind of lid maker mold materials of the highly corrosion resistant of environmental protection |
| CN208894720U (en) * | 2018-10-15 | 2019-05-24 | 天津市大港镀锌厂 | A kind of electrophoretic painting cleaning device |
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| Publication number | Publication date |
|---|---|
| CN111359923A (en) | 2020-07-03 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Min Inventor after: Wu Juan Inventor after: Yang Wenchao Inventor before: Yang Wenchao |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210705 Address after: No.64 Huayuan North Road Laiwu District Jinan City Shandong Province 271100 Laiwu district housing and Urban Rural Development Bureau Jinan City Applicant after: Zhang Min Address before: Group 4, shujiatang village, ALA Town, Fenghuang County, Xiangxi Tujia and Miao Autonomous Prefecture, Hunan Province 416200 Applicant before: Yang Wenchao |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |