CN113770337B - Casting device with rust removal function for PC steel bar - Google Patents
Casting device with rust removal function for PC steel bar Download PDFInfo
- Publication number
- CN113770337B CN113770337B CN202110904767.7A CN202110904767A CN113770337B CN 113770337 B CN113770337 B CN 113770337B CN 202110904767 A CN202110904767 A CN 202110904767A CN 113770337 B CN113770337 B CN 113770337B
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- China
- Prior art keywords
- steel bar
- sliding
- connecting rod
- casting device
- die
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 57
- 239000010959 steel Substances 0.000 title claims abstract description 57
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000005266 casting Methods 0.000 title claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 37
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 235000003642 hunger Nutrition 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/06—Heating or cooling equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a casting device with a rust removal function for a PC steel bar, which comprises a device base, an electric telescopic rod and a movable rod, wherein a water pump is arranged on the outer side of an output pipeline, a fixed plate is arranged on the outer side of the tail end of the output pipeline, a first die is arranged on the side surface of the fixed plate, a movable plate is arranged on the side surface of the first die, a second die is arranged on the left side of the movable plate, the right side of the second die is connected with the electric telescopic rod, and a movable rod is arranged between the fixed supports. The casting device with the rust removal function for the PC steel bar is provided with a driving motor, the tail end of the driving motor is provided with a driving belt wheel, so that one motor hunger can drive the rotating roller and the clamping block to rotate simultaneously, the outside of the device, which can reduce energy consumption, of the rotating roller is provided with a fixed ring, the outside of the fixed ring is provided with a cleaning brush, and the device can recycle the waste PC steel bar, thereby realizing energy conservation and environmental protection of the device.
Description
Technical Field
The invention relates to the technical field of PC steel bar casting, in particular to a casting device with a rust removal function for a PC steel bar.
Background
The steel bar for prestressed concrete is a prestressed steel material with very high technical content developed by the japanese high frequency heat mill company in the 60 th year of the 20 th century, and the japanese patent was granted in 1964, belonging to the intermediate strength level among the prestressed strength levels. The PC steel bar has the characteristics of high strength toughness, low relaxation, strong bond strength with concrete, good weldability, upsetting property, material saving and the like, is widely applied to prestressed components such as high-strength prestressed concrete centrifugal pipe piles, electric poles, overhead piers, railway sleepers and the like in foreign countries, has very wide markets in international, particularly Asia, and has the most important economic growth points in China along with the rapid development of national economic construction and the obvious improvement of the living standard of people, the continuous improvement of the production quality and the reduction of the price of the PC steel bar are basically built in China, and the deep understanding of a series of benefits brought by the high performance-price ratio of building steel by people is added, so that the PC steel bar is more and more popular in application, and the demand is steadily increased.
At present, dust and rust on the surface of a PC steel rod need to be cleared in advance when the PC steel rod is recycled, and then casting is carried out, and the existing rust removing device cannot adapt to steel rods with different lengths and different diameters, so that a casting device with a rust removing function for the PC steel rod is provided, and the problems in the prior art are solved.
Disclosure of Invention
The invention aims to provide a casting device with a rust removal function for a PC steel rod, which aims to solve the problem that dust and rust on the surface of the steel rod need to be cleared in advance when the PC steel rod is recycled in the prior art, and then casting is carried out, so that the existing device for removing the rust cannot be suitable for steel rods with different lengths and diameters.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a PC steel bar has casting device of rust cleaning function, including device base, electric telescopic handle and movable rod, first spacing spout has been seted up to the upper surface of device base, the inside of first spacing spout is provided with the extension spring, the end-to-end connection of extension spring has the sliding support, the outside of first spacing spout and the surface of sliding support all are provided with the fixed bolster, be provided with the movable rod between the fixed bolster, the side-mounting of sliding support has the backup pad, the upper surface mounting of backup pad has a driving motor, driving motor's rotation axis outside is provided with the driving pulley, be connected with the driving belt between the driving pulley, driving motor's end is connected with clamp block and rotatory roller respectively, the surface of rotatory roller is provided with the solid fixed ring, the surface of solid fixed ring is provided with the cleaning brush, the inside of rotatory roller is provided with first connecting rod and second connecting rod, the end-to-end connection has the second spacing spout, and the front end setting of second connecting rod is in the inside of second spacing spout to be the sliding connection between first connecting rod and the second connecting rod bottom surface, the bottom surface mounting has a driving motor, the driving motor's rotation axis outside is provided with the conveyer belt, the second heating box is provided with the bottom half a conveyer pipe, the conveyer pipe end is provided with the heater plate, the heater plate is provided with the bottom of the conveyer pipe outside, the conveyer pipe is provided with the conveyer pipe outside, the heater plate is provided with the heater plate, the heater plate is provided with the bottom of the conveyer pipe outside, and is provided with the heater plate outside, the side-mounting of fixed plate has first mould, the side of first mould is provided with the fly leaf, the left side of fly leaf is provided with the second mould, the right side of second mould is connected with electric telescopic handle, the fly leaf passes through electric telescopic handle and constitutes sliding structure, the position of first mould corresponds with the position of second mould, be fixed connection between head rod and the second connecting rod and the rotatory roller, the intermediate position junction of rotatory roller is the profile of tooth, makes the length of rotatory roller adjustable.
Preferably, the first limiting sliding groove is symmetrically formed in the upper surface of the device base, the sliding support is fixedly connected with the tail end of the telescopic spring, and the sliding support forms a sliding structure in the first limiting sliding groove through the telescopic spring.
Preferably, the support plate is fixedly connected with the sliding support, the driving motors are symmetrically arranged on the upper surface of the support plate, and the sizes of the driving pulleys on the driving motors are unequal.
Preferably, the clamping block is circular in shape, and a groove structure is formed in the middle of the clamping block.
Preferably, the fixing rings are uniformly distributed on the outer surface of the rotating roller, and the cleaning brushes are uniformly distributed on the outer surface of the fixing rings.
Preferably, the shape of the end of the second connecting rod is T-shaped.
Preferably, the shell of the heating box is of a hollow structure, the heating elements are uniformly distributed inside the shell of the heating box, and the heating elements are fixedly connected with the shell of the heating box.
Compared with the prior art, the invention has the beneficial effects that: the casting device with the rust removal function for the PC steel bar comprises:
(1) The device is provided with a driving motor, the tail end of the driving motor is provided with a driving belt wheel, so that one motor hunger can drive the rotating roller and the clamping block to rotate at the same time, the device can reduce energy consumption, the outer side of the rotating roller is provided with a fixed ring, the outer side of the fixed ring is provided with a cleaning brush, and the device can recycle waste PC steel bars, thereby realizing energy conservation and environmental protection of the device;
(2) The clamping block is arranged, the clamping block is circular in shape, the groove-shaped structure is arranged at the middle position of the clamping block, the sliding support is arranged, and the sliding support can slide along the first limiting sliding groove under the action of the telescopic spring, so that the device can adapt to steel bars with different lengths and different diameters.
Drawings
FIG. 1 is a schematic diagram of a main sectional structure of a casting device with a rust removal function for a PC steel rod;
fig. 2 is a schematic diagram of a top view structure of a casting device with a rust removal function for a PC steel rod according to the present invention;
FIG. 3 is a schematic diagram showing a side view of a casting device with a rust removal function for a PC steel rod according to the present invention;
FIG. 4 is a schematic diagram showing a side sectional structure of a base of a casting device with a rust removing function for a PC steel rod;
FIG. 5 is a schematic diagram showing a side sectional structure of a heating box of a casting device with a rust removing function for a PC steel rod;
FIG. 6 is a schematic view of the casting device with rust removal function for PC steel bars of the invention at the position A in FIG. 2;
in the figure: 1. a device base; 2. the first limiting chute; 3. a telescopic spring; 4. a sliding support; 5. a support plate; 6. a driving motor; 7. a transmission belt wheel; 8. a drive belt; 9. a clamping block; 10. a rotating roller; 11. a fixing ring; 12. a cleaning brush; 13. a first connecting rod; 14. a second connecting rod; 15. the second limiting chute; 16. a fixed bracket; 17. a first conveyor belt; 18. a second conveyor belt; 19. a support frame; 20. a heating box; 21. a heating element; 22. an output pipe; 23. a water pump; 24. a fixing plate; 25. a first mold; 26. a movable plate; 27. a second mold; 28. an electric telescopic rod; 29. a movable rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a PC steel bar has casting device of rust cleaning function, including device base 1, first spacing spout 2, the extension spring 3, sliding support 4, backup pad 5, driving motor 6, driving pulley 7, driving belt 8, clamping piece 9, rotatory roller 10, solid fixed ring 11, cleaning brush 12, head rod 13, second connecting rod 14, second spacing spout 15, solid fixed support 16, first conveyer belt 17, second conveyer belt 18, support frame 19, heating cabinet 20, heating element 21, output pipeline 22, water pump 23, fixed plate 24, first mould 25, fly leaf 26, second mould 27, electric telescopic handle 28 and fly leaf 29, first spacing spout 2 has been seted up to the upper surface of device base 1, the inside of first spacing spout 2 is provided with extension spring 3, the end-to-end connection of extension spring 3 has sliding support 4, backup pad 5 is installed to the side of sliding support 4, the upper surface of the supporting plate 5 is provided with a driving motor 6, the outer side of a rotating shaft of the driving motor 6 is provided with a driving belt wheel 7, a driving belt 8 is connected between the driving belt wheels 7, the tail end of the driving motor 6 is respectively connected with a clamping block 9 and a rotating roller 10, the outer surface of the rotating roller 10 is provided with a fixed ring 11, the outer surface of the fixed ring 11 is provided with a cleaning brush 12, the inside of the rotating roller 10 is provided with a first connecting rod 13 and a second connecting rod 14, the tail end of the first connecting rod 13 is provided with a second limiting chute 15, the front end of the second connecting rod 14 is arranged in the second limiting chute 15, the outer side of the first limiting chute 2 and the outer surface of the sliding bracket 4 are both provided with a fixed bracket 16, the middle position of the bottom surface of the device base 1 is provided with a first conveying belt 17, the tail end of the first conveying belt 17 is provided with a second conveying belt 18, the two ends of the outer side of the second conveying belt 18 are provided with supporting frames 19, the bottom at the end of the second conveyor belt 18 is provided with a heating box 20, the inside of the outer shell of the heating box 20 is provided with a heating element 21, the bottom of the side face of the heating box 20 is provided with an output pipeline 22, a water pump 23 is installed on the outer side of the output pipeline 22, a fixed plate 24 is arranged on the outer side of the end of the output pipeline 22, a first die 25 is installed on the side face of the fixed plate 24, a movable plate 26 is arranged on the side face of the first die 25, a second die 27 is arranged on the left side of the movable plate 26, an electric telescopic rod 28 is connected on the right side of the second die 27, and a movable rod 29 is arranged between the fixed supports 16.
The first limiting sliding groove 2 is symmetrically formed in the upper surface of the device base 1, the sliding support 4 is fixedly connected with the tail end of the telescopic spring 3, and the sliding support 4 forms a sliding structure in the first limiting sliding groove 2 through the telescopic spring 3, so that the device can adapt to steel bars with different lengths.
The support plate 5 is fixedly connected with the sliding support 4, the driving motor 6 is symmetrically arranged on the upper surface of the support plate 5, and the sizes of the driving pulleys 7 on the driving motor 6 are unequal, so that the rotating speeds of the clamping blocks 9 and the rotating rollers 10 are different.
The clamping block 9 is circular in shape, and a groove structure is formed in the middle of the clamping block 9, so that the device can adapt to steel bars with different diameters.
The fixed rings 11 are uniformly distributed on the outer surface of the rotary roller 10, the cleaning brushes 12 are uniformly distributed on the outer surface of the fixed rings 11, and the shape of the joint of the middle position of the rotary roller 10 is tooth-shaped, so that the length of the rotary roller 10 can be adjusted.
The first connecting rod 13 and the second connecting rod 14 are fixedly connected with the rotary roller 10, the tail end of the second connecting rod 14 is T-shaped, and the first connecting rod 13 and the second connecting rod 14 are in sliding connection.
The shell of the heating box 20 is of a hollow structure, the heating elements 21 are uniformly distributed inside the shell of the heating box 20, and the heating elements 21 are fixedly connected with the shell of the heating box 20, so that the heating box 20 can complete heating work.
The movable plate 26 forms a sliding structure through an electric telescopic rod 28, and the position of the first die 25 corresponds to the position of the second die 27, so that the dies can be normally molded.
The working principle of the embodiment is as follows: when the casting device with the rust removal function for the PC steel bars is used, firstly, parts required by the device are assembled, the recovered waste PC steel bars are firstly cleaned, then the steel bars are placed between the clamping blocks 9, the sliding supports 4 fix the positions of the steel bars under the action of the telescopic springs 3, meanwhile, after the distance between the sliding supports 4 is changed, the length of the rotating rollers 10 is also changed, the distance between the driving motors 6 is adjusted according to the diameters of the steel bars, the cleaning brushes 12 are contacted with the steel bars, the driving belt 8 with the corresponding length is used for connecting the driving pulleys 7, then the driving motors 6 are started, the driving motors 6 drive the steel bars and the rotating rollers 10 to rotate, and the rotating speed of the steel bars is smaller than that of the rotating rollers 10 because the sizes of the driving pulleys 7 are unequal.
After the steel bar is cleaned, the sliding support 4 is moved to separate the steel bar from the clamping block 9, the steel bar falls on the first conveyor belt 17, then the steel bar enters the heating box 20 through the first conveyor belt 17 and the second conveyor belt 18, after the steel bar enters the heating box 20 to a certain amount, the power supply on the shell of the heating box 20 is started, the cover of the heating box 20 is closed at the same time, the steel bar is melted in the heating box 20, then the electric telescopic rod 28 is started, the electric telescopic rod 28 drives the second die 27 to be butted with the first die 25, the water pump 23 is started, the water pump 23 pumps melted liquid into the die, and after the melted liquid is cooled, the new steel bar is taken out.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. The utility model provides a PC steel bar has casting device of rust cleaning function, includes device base (1), electric telescopic handle (28) and movable rod (29), its characterized in that: the device comprises a base (1), a first limit sliding chute (2) is formed in the upper surface of the base (1), a telescopic spring (3) is arranged in the first limit sliding chute (2), a sliding bracket (4) is connected to the tail end of the telescopic spring (3), a fixed bracket (16) is arranged on the outer side of the first limit sliding chute (2) and the outer surface of the sliding bracket (4), a movable rod (29) is arranged between the fixed brackets (16), a supporting plate (5) is arranged on the side surface of the sliding bracket (4), a driving motor (6) is arranged on the upper surface of the supporting plate (5), a driving belt wheel (7) is arranged on the outer side of a rotating shaft of the driving motor (6), a driving belt (8) is connected between the driving belt wheel (7), a clamping block (9) and a rotating roller (10) are respectively connected to the tail end of the driving motor (6), a fixed ring (11) is arranged on the outer surface of the rotating roller (10), a cleaning brush (12) is arranged on the outer surface of the fixed ring (11), a first connecting rod (13) is arranged in the rotating roller (10), a second connecting rod (14) is arranged on the inner side of the rotating roller, and the second connecting rod (14) is arranged at the front of the second limiting sliding chute (15), the first connecting rod (13) is in sliding connection with the second connecting rod (14), a first conveying belt (17) is arranged at the middle position of the bottom surface of the device base (1), the first conveying belt (17) is used for conveying steel bars separated from the clamping blocks (9), a second conveying belt (18) is arranged at the tail end of the first conveying belt (17), supporting frames (19) are arranged at two ends of the outer side of the second conveying belt (18), a heating box (20) is arranged at the bottom of the tail end of the second conveying belt (18), a heating element (21) is arranged in the heating box (20) shell, an output pipeline (22) is arranged at the bottom of the side surface of the heating box (20), a water pump (23) is arranged at the outer side of the output pipeline (22), a fixed plate (24) is arranged at the outer side surface of the tail end of the output pipeline (22), a first die (25) is provided with a movable plate (26), a left side of the movable plate (26) is provided with a heating element (21), a second die (27) is arranged at the left side of the movable plate (26), and a right die (27) is connected with a second die (27) through a sliding structure corresponding to the second die (28), the first connecting rod (13) and the second connecting rod (14) are fixedly connected with the rotary roller (10), and the shape of the connecting part of the middle position of the rotary roller (10) is tooth-shaped, so that the length of the rotary roller (10) can be adjusted.
2. The casting device with the rust removing function for the PC steel bar according to claim 1, wherein: the sliding support is characterized in that the first limiting sliding grooves (2) are symmetrically formed in the upper surface of the device base (1), the sliding support (4) is fixedly connected with the tail ends of the telescopic springs (3), and the sliding support (4) forms a sliding structure in the first limiting sliding grooves (2) through the telescopic springs (3).
3. The casting device with the rust removing function for the PC steel bar according to claim 1, wherein: the support plate (5) is fixedly connected with the sliding support (4), the driving motor (6) is symmetrically arranged on the upper surface of the support plate (5), and the sizes of the driving pulleys (7) on the driving motor (6) are unequal.
4. The casting device with the rust removing function for the PC steel bar according to claim 1, wherein: the clamping block (9) is circular in shape, and a groove structure is formed in the middle of the clamping block (9).
5. The casting device with the rust removing function for the PC steel bar according to claim 1, wherein: the fixed rings (11) are uniformly distributed on the outer surface of the rotary roller (10), and the cleaning brushes (12) are uniformly distributed on the outer surface of the fixed rings (11).
6. The casting device with the rust removing function for the PC steel bar according to claim 1, wherein: the shape of the tail end of the second connecting rod (14) is T-shaped.
7. The casting device with the rust removing function for the PC steel bar according to claim 1, wherein: the shell of the heating box (20) is of a hollow structure, the heating elements (21) are uniformly distributed inside the shell of the heating box (20), and the heating elements (21) are fixedly connected with the shell of the heating box (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110904767.7A CN113770337B (en) | 2021-08-07 | 2021-08-07 | Casting device with rust removal function for PC steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110904767.7A CN113770337B (en) | 2021-08-07 | 2021-08-07 | Casting device with rust removal function for PC steel bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113770337A CN113770337A (en) | 2021-12-10 |
| CN113770337B true CN113770337B (en) | 2023-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110904767.7A Active CN113770337B (en) | 2021-08-07 | 2021-08-07 | Casting device with rust removal function for PC steel bar |
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| CN (1) | CN113770337B (en) |
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| CN210386836U (en) * | 2019-08-28 | 2020-04-24 | 连云港东康金属制品有限公司 | Greasy dirt cleaning device is used in rod iron production |
| CN210819003U (en) * | 2019-10-23 | 2020-06-23 | 福州新盛达钢构有限公司 | Steel constructs construction and uses outside cleaning device of steel pipe |
| CN113073332A (en) * | 2020-01-03 | 2021-07-06 | 苏州金立鑫特材科技有限公司 | Steel bar remelting process method |
| CN212886872U (en) * | 2020-06-22 | 2021-04-06 | 张家港市和昌建材制造有限公司 | Steel bar derusting device |
| CN111761048A (en) * | 2020-07-15 | 2020-10-13 | 徐双伟 | Energy-saving casting system |
| CN213222612U (en) * | 2020-08-06 | 2021-05-18 | 郑州远东耐火材料有限公司 | Raw material grinding device for sand mold manufacturing of fused zirconia-corundum bricks |
| CN112008576A (en) * | 2020-09-09 | 2020-12-01 | 邱海姑 | Surface rust removal device for machining tubular mechanical parts |
| CN213702958U (en) * | 2020-09-29 | 2021-07-16 | 薛利阳 | Rust removal device for building steel pipe |
| CN112604877A (en) * | 2020-12-11 | 2021-04-06 | 张峻豪 | Rust-resistant processing apparatus of reinforcing bar for construction |
| CN112775690A (en) * | 2020-12-28 | 2021-05-11 | 上饶市广利装饰材料有限公司 | Positioning device is used in aluminum product processing that facilitates use |
| CN112589644A (en) * | 2021-01-07 | 2021-04-02 | 南京奇南迪科技有限公司 | Device for derusting and correcting surface of bearing steel bar on building |
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Denomination of invention: A melting and casting device with rust removal function for PC steel bars Granted publication date: 20230811 Pledgee: Laiwu branch of China Postal Savings Bank Co.,Ltd. Pledgor: Shandong Gangfeng New Material Technology Co.,Ltd. Registration number: Y2024980014689 |
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