CN114932496B - Rust removal device for pre-buried exposed reinforcing steel bars of building engineering - Google Patents
Rust removal device for pre-buried exposed reinforcing steel bars of building engineering Download PDFInfo
- Publication number
- CN114932496B CN114932496B CN202210629475.1A CN202210629475A CN114932496B CN 114932496 B CN114932496 B CN 114932496B CN 202210629475 A CN202210629475 A CN 202210629475A CN 114932496 B CN114932496 B CN 114932496B
- Authority
- CN
- China
- Prior art keywords
- rack
- conveying
- building engineering
- conveying mechanism
- swinging plate
- 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.)
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Links
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910001294 Reinforcing steel Inorganic materials 0.000 title description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000005498 polishing Methods 0.000 claims abstract description 28
- 229910052742 iron Inorganic materials 0.000 claims abstract description 23
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims 5
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 27
- 239000010959 steel Substances 0.000 abstract description 27
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036561 sun exposure Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model belongs to the technical field of building member processing equipment, and particularly relates to a rust removing device for pre-buried exposed steel bars of a building engineering, which comprises an upper polishing layer; the lower collecting layer comprises a rack, wherein the rack is provided with a containing cavity, and waste collecting chambers are arranged on two sides of the inner wall of the rack; the two conveying mechanisms are used for conveying scrap iron into the scrap collecting chamber, are connected to the rack and are symmetrically arranged on two sides of the accommodating cavity, and the turning-out end of each conveying mechanism is communicated with the scrap collecting chamber; the temporary storage mechanism is arranged between the rack and the upper polishing layer and comprises a telescopic part arranged in the accommodating cavity and two upper swing plates arranged on the conveying mechanism, wherein the swing plates are movably connected with the rack.
Description
Technical Field
The utility model belongs to the technical field of building member processing equipment, and particularly relates to a rust removing device for pre-buried exposed steel bars of a building engineering.
Background
The steel bar is a steel for reinforced concrete and prestressed reinforced concrete, the cross section of the steel is round, and sometimes square with round corners, and the steel comprises smooth round steel bars, ribbed steel bars and torsion steel bars, the steel bar for reinforced concrete is a straight bar or coil bar steel for reinforced concrete reinforcement, the steel bar is a common material for building construction, the steel bar is large in volume and cannot be placed indoors, and the surface of the steel bar is rusted after long-term wind and sun exposure, so that the use of the steel bar is affected.
The Chinese patent of the utility model with the publication number of CN202020325290.8 discloses a polishing rust removal device for the inner wall and the outer wall of a building reinforcing steel bar, which comprises a frame, and further comprises a V-shaped supporting block arranged above the frame and used for supporting and positioning the reinforcing steel bar, wherein outer wall polishing mechanisms used for polishing the outer wall of the reinforcing steel bar are arranged on the front side and the rear side of the V-shaped supporting block, a moving mechanism used for moving the outer wall polishing mechanisms is arranged below the outer wall polishing mechanisms, and an inner wall polishing mechanism parallel to the reinforcing steel bar and used for polishing the inner wall of the reinforcing steel bar is arranged on the frame, the moving mechanism is in sliding connection with the frame, and the moving mechanism is connected with the outer wall polishing mechanisms.
However, the above rust removing device in the prior art has adverse effects on the site construction environment, and particularly, the fallen scrap iron is accumulated in the device, which is liable to cause device failure.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the following technical scheme:
a rust removal device for pre-buried exposed steel bars of a building engineering, the device comprising:
a polishing layer is arranged on the upper surface;
a lower collection layer, the lower collection layer comprising:
the rack is provided with a containing cavity, and waste collection chambers are arranged on two sides of the inner wall of the rack;
the two conveying mechanisms are used for conveying scrap iron into the scrap collecting chamber, are connected to the rack and are symmetrically arranged on two sides of the accommodating cavity, and the output end of each conveying mechanism is communicated with the scrap collecting chamber;
the temporary storage mechanism is arranged between the rack and the upper polishing layer and comprises a telescopic piece arranged in the accommodating cavity and two upper swing plates arranged at the upper end of the conveying mechanism, and the swing plates are movably connected with the rack; the transmission unit is connected with the telescopic piece and used for controlling the swinging plate to rotate;
in the extension process of the telescopic piece, the transmission unit drives the swing plates at two sides to incline towards the direction of the conveying mechanism at the same side and guides scrap iron falling from the device to the conveying mechanism, and when the telescopic piece is contracted, the transmission unit drives the swing plates at two sides to be in a horizontal state.
Further, the transmission unit comprises a toothed bar connected with the free end of the telescopic piece and a gear, the tail of the swinging plate is provided with a rotating shaft connected with the rack, and the gear is arranged on the periphery of the rotating shaft and meshed with the toothed bar.
Further, the tail of the swinging plate is arc-shaped.
Further, the swing plate is also provided with a material blocking support plate, and the material blocking support plate is arranged at the upper end of the tail part of the swing plate. When the two swinging plates are in a horizontal state, the material blocking support plate plays a role in preventing scrap iron residues at the upper part from falling into the conveying unit, and causes the blocking of the gear and the toothed bar.
Further, a plurality of through holes are formed in the area, far away from the tail, of the swing plate.
Further, two edges of the rack are provided with material blocking plates. When the scrap iron is excessive and the waste collection chamber is full, the scrap iron overflows out of the device
Further, the telescoping member includes a cylinder.
Further, a limiting cylinder connected with the rack is further arranged in the accommodating cavity, and the limiting cylinder is sleeved on the periphery of the toothed bar. The limiting cylinder plays a role in stabilizing the tooth shape, and meanwhile, the tooth-shaped strip is prevented from shaking in the action process of the tooth-shaped strip and the gear.
Further, the conveying mechanism adopts a belt wheel conveying mode. The belt wheel transmission has the advantage of balanced transmission, and is convenient to overhaul.
Compared with the prior art, the utility model has the following beneficial effects:
1. the steel bar polishing and rust removing process of the device prevents the splashing of the scrap iron in the construction process, and has an improvement effect on the construction environment;
2. according to the utility model, the temporary storage mechanism is arranged, the falling scrap iron is concentrated together by using the swinging plate, so that the scrap iron is prevented from splashing to the external environment, and the scrap iron is led into the conveying mechanism by controlling the swinging angle of the swinging plate.
Drawings
Fig. 1 is a schematic cross-sectional view of a lower collecting layer in an embodiment of a rust removing device for embedded exposed reinforcing steel bars in a building engineering according to the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic perspective view of a swing plate in an embodiment of a rust removing device for embedded exposed steel bars in a building engineering according to the present utility model;
fig. 4 is a schematic diagram of the overall structure of an embodiment of a rust removing device for embedded exposed steel bars in a building engineering according to the present utility model;
reference numerals in the drawings of the specification include:
the upper polishing layer X, the lower collecting layer Y, the rack 1, the material blocking plate 10, the accommodating cavity 11, the waste collecting chamber 12, the limiting cylinder 13, the conveying mechanism 14 and the steel bar Z;
the temporary storage mechanism 2, the telescopic piece 20, the swinging plate 22, the material blocking support plate 23, the through hole 24, the transmission unit 25, the toothed bar 251, the gear 252, the rotating shaft 253, the clamping rotating mechanism 3, the first motor 31, the second motor 32, the polishing mechanism 33, the grinding wheel 34, the third motor 35 and the screw 36.
Detailed Description
In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Examples:
as shown in fig. 1 to 4, the device for removing rust of a pre-buried exposed steel bar Z of a building engineering according to the present utility model comprises: upper polishing layer X, lower collection layer Y includes: the rack 1, the holding cavity 11 has on the rack 1, and rack 1 inner wall both sides are provided with waste collection room 12, and rack 1 both sides edge is provided with and hinders flitch 10. The material blocking plate 10 prevents the excessive iron filings polished at the upper part and the overflow of the iron filings from the device when the waste collection chamber 12 is full.
And the two conveying mechanisms 14 are used for conveying scrap iron into the scrap collecting chamber 12, the conveying mechanisms 14 are connected to the rack 1 and symmetrically arranged on two sides of the accommodating cavity 11, the output ends of the conveying mechanisms 14 are communicated with the scrap collecting chamber 12, and the conveying mechanisms 14 adopt a belt wheel conveying mode. The belt wheel transmission has the advantage of balanced transmission, and is convenient to overhaul.
The temporary storage mechanism 2 is arranged between the rack 1 and the upper polishing layer X, the temporary storage mechanism 2 comprises a telescopic piece 20 arranged in the accommodating cavity 11 and two upper swing plates 22 arranged at the upper ends of the conveying mechanisms 14, and the swing plates 22 are movably connected with the rack 1; and a transmission unit 25 connected with the telescopic member 20 and used for controlling the swing plate 22 to rotate;
in the extending process of the telescopic piece 20, the transmission unit 25 drives the two side swing plates to incline towards the direction of the conveying mechanism 14 on the same side and guides the fallen scrap iron in the device to the conveying mechanism 14, and when the telescopic piece 20 is contracted, the transmission unit 25 drives the two side swing plates to be in a non-inclined state. The transmission unit 25 comprises a toothed bar 251 connected with the free end of the telescopic piece 20 and a gear 252, the tail of the swinging plate is provided with a rotating shaft 253 connected with the rack 1, the gear 252 is arranged on the periphery of the rotating shaft 253 and meshed with the toothed bar 251, the tail of the swinging plate 22 is arc-shaped, the swinging plate 22 is also provided with a material blocking support plate 23, and the material blocking support plate 23 is arranged at the upper end of the tail of the swinging plate 22. When the two swinging plates 22 are in a horizontal state, the material blocking support plate 23 plays a role of preventing scrap iron residues at the upper part from falling into the conveying unit, so that the gear 252 is blocked with the toothed bar 251, the telescopic piece 20 can be an air cylinder or an oil cylinder, the accommodating cavity 11 is also provided with a limiting cylinder 13 connected with the rack 1, and the limiting cylinder 13 is sleeved on the periphery of the toothed bar 251. The limiting cylinder 13 plays a role in stabilizing the tooth shape, and meanwhile, the tooth bar 251 and the gear 252 are prevented from shaking in the action process.
The method comprises the steps that a worker places a steel bar Z on an upper polishing layer X, a clamping rotating mechanism 3 is arranged on the side wall of the upper surface of the upper polishing layer X, polishing mechanisms 33 are arranged on two sides of the clamping rotating mechanism 3, a grinding wheel 34 and a second motor 32 for controlling the grinding wheel 34 to operate are arranged in the polishing mechanisms 33, the clamping rotating mechanism 3 is started to clamp and fix two ends of the steel bar Z, meanwhile, a first motor 31 in the clamping rotating mechanism 3 is started, an output shaft of the first motor drives the head of the clamping rotating mechanism 3 to rotate, the steel bar Z rotates together, the second motor 32 is started to drive the grinding wheel 34 to rotate, in addition, in order to achieve rust removal polishing of the polishing mechanism 33 on the whole length direction of the steel bar Z, a screw 36 is arranged on the upper polishing layer X, a third motor 35 on the side wall of the front side of the upper polishing layer X is started, the screw 36 rotates to drive a slide block connected in a slide groove and in threaded connection, and the movement of the grinding wheel 34 is achieved, and rust removal polishing work of the steel bar Z is completed;
the steel bar Z of the device polishes the rust removal process, prevent the construction process, the splash of iron fillings has an improvement effect on the construction environment, the iron fillings that fall down when utilizing the swing plate 22 to polish are concentrated together, prevent the splash of iron fillings to the external environment, the swing angle of the swing plate 22 is controlled by the telescopic piece 20, the iron fillings are guided into the conveying mechanism 14, because the swing plate 22 is inclined, the iron fillings slide onto the conveying mechanism 14 along the swing plate 22 along with the gravity, the process effectively reduces the splash of the iron fillings.
The swing plate 22 is provided with a plurality of through holes 24 in the area far from the tail. The through-holes 24 may be provided in various diameter forms, and the ground scrap iron falls out of the through-holes 24 onto the conveyor 14.
The foregoing is merely exemplary of the present utility model, and the specific structures and features well known in the art are not described in any way herein, so that those skilled in the art will be able to ascertain all prior art in the field, and will not be able to ascertain any prior art to which this utility model pertains, without the general knowledge of the skilled person in the field, before the application date or the priority date, to practice the present utility model, with the ability of these skilled persons to perfect and practice this utility model, with the help of the teachings of this application, with some typical known structures or methods not being the obstacle to the practice of this application by those skilled in the art. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (5)
1. The utility model provides a pre-buried exposed reinforcing bar rust cleaning device of building engineering, its characterized in that, the device includes:
a polishing layer is arranged on the upper surface;
a lower collection layer, the lower collection layer comprising:
the rack is provided with a containing cavity, and waste collection chambers are arranged on two sides of the inner wall of the rack;
the two conveying mechanisms are used for conveying scrap iron into the scrap collecting chamber, are connected to the rack and are symmetrically arranged on two sides of the accommodating cavity, and the output end of each conveying mechanism is communicated with the scrap collecting chamber;
the temporary storage mechanism is arranged between the rack and the upper polishing layer and comprises a telescopic piece arranged in the accommodating cavity and two upper swing plates arranged at the upper end of the conveying mechanism, and the swing plates are movably connected with the rack; the transmission unit is connected with the telescopic piece and used for controlling the swinging plate to rotate; the transmission unit comprises a toothed bar and a gear which are connected with the free end of the telescopic piece, the tail part of the swinging plate is provided with a rotating shaft which is connected with the rack, the gear is arranged on the periphery of the rotating shaft and meshed with the toothed bar, the tail part of the swinging plate is arc-shaped, the swinging plate is also provided with a material blocking support plate, the material blocking support plate is arranged at the upper end of the tail part of the swinging plate, and a plurality of through holes are formed in the area, far away from the tail part, of the swinging plate;
in the extension process of the telescopic piece, the transmission unit drives the swing plates at two sides to incline towards the direction of the conveying mechanism at the same side and guides scrap iron falling from the device to the conveying mechanism, and when the telescopic piece is contracted, the transmission unit drives the swing plates at two sides to be in a horizontal state.
2. The pre-buried exposed reinforcement bar rust cleaning device of building engineering of claim 1, wherein: and two edges of the rack are provided with material blocking plates.
3. The pre-buried exposed reinforcement bar rust cleaning device of building engineering of claim 1, wherein: the telescoping member includes a cylinder.
4. The pre-buried exposed reinforcement bar rust cleaning device of building engineering of claim 1, wherein: the accommodating cavity is also provided with a limiting cylinder connected with the rack, and the limiting cylinder is sleeved on the periphery of the toothed bar.
5. The pre-buried exposed reinforcement bar rust cleaning device of building engineering of claim 1, wherein: the conveying mechanism adopts a belt wheel conveying mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210629475.1A CN114932496B (en) | 2022-06-01 | 2022-06-01 | Rust removal device for pre-buried exposed reinforcing steel bars of building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210629475.1A CN114932496B (en) | 2022-06-01 | 2022-06-01 | Rust removal device for pre-buried exposed reinforcing steel bars of building engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114932496A CN114932496A (en) | 2022-08-23 |
| CN114932496B true CN114932496B (en) | 2024-03-01 |
Family
ID=82865695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210629475.1A Active CN114932496B (en) | 2022-06-01 | 2022-06-01 | Rust removal device for pre-buried exposed reinforcing steel bars of building engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114932496B (en) |
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| JP2000296467A (en) * | 1999-04-13 | 2000-10-24 | Amada Co Ltd | Automatic dust collector in wet deburring machine |
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| CN212762437U (en) * | 2020-08-10 | 2021-03-23 | 重庆昭顺机械制造有限公司 | Waste treatment device for machining of numerical control lathe |
| CN212764992U (en) * | 2020-05-22 | 2021-03-23 | 武汉荔和纸业有限公司 | Scrap recovery device for corner cut |
| CN213762778U (en) * | 2020-11-03 | 2021-07-23 | 芜湖强磊食品有限公司 | A negative pressure dust removal packing conveyer for pumpkin seed production |
| CN113182926A (en) * | 2021-04-29 | 2021-07-30 | 张相华 | Metal part milling device capable of recycling chippings |
| CN215357500U (en) * | 2021-07-21 | 2021-12-31 | 昆山乔地精密机械有限公司 | Waste collecting device capable of collecting scraps |
| CN114226780A (en) * | 2021-12-27 | 2022-03-25 | 项城林 | Numerical control ultrasonic drilling machine tool |
| CN114290123A (en) * | 2022-01-24 | 2022-04-08 | 杨枫 | Milling machine convenient for processing iron chips |
| CN216298922U (en) * | 2021-07-19 | 2022-04-15 | 重庆安冶精密钢管有限公司 | Seamless steel pipe rust cleaning grinding device |
| CN114523598A (en) * | 2022-02-08 | 2022-05-24 | 芜湖亚奇汽车部件有限公司 | Oil tank waste material smashing and dust removing system |
-
2022
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| JPH0966436A (en) * | 1995-08-31 | 1997-03-11 | Suzuki Motor Corp | Cutting chips conveyance device |
| JP2000296467A (en) * | 1999-04-13 | 2000-10-24 | Amada Co Ltd | Automatic dust collector in wet deburring machine |
| JP2017121676A (en) * | 2016-01-06 | 2017-07-13 | Dmg森精機株式会社 | Chip conveyor |
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| CN212764992U (en) * | 2020-05-22 | 2021-03-23 | 武汉荔和纸业有限公司 | Scrap recovery device for corner cut |
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| CN112476040A (en) * | 2020-12-14 | 2021-03-12 | 林智勇 | CNC lathe intelligence magnetic suspension prevents damaging device |
| CN113182926A (en) * | 2021-04-29 | 2021-07-30 | 张相华 | Metal part milling device capable of recycling chippings |
| CN216298922U (en) * | 2021-07-19 | 2022-04-15 | 重庆安冶精密钢管有限公司 | Seamless steel pipe rust cleaning grinding device |
| CN215357500U (en) * | 2021-07-21 | 2021-12-31 | 昆山乔地精密机械有限公司 | Waste collecting device capable of collecting scraps |
| CN114226780A (en) * | 2021-12-27 | 2022-03-25 | 项城林 | Numerical control ultrasonic drilling machine tool |
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| CN114523598A (en) * | 2022-02-08 | 2022-05-24 | 芜湖亚奇汽车部件有限公司 | Oil tank waste material smashing and dust removing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114932496A (en) | 2022-08-23 |
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