CN107552874A - A kind of Steel Reinforcing Bar Material equipment of safe low noise - Google Patents
A kind of Steel Reinforcing Bar Material equipment of safe low noise Download PDFInfo
- Publication number
- CN107552874A CN107552874A CN201710971114.4A CN201710971114A CN107552874A CN 107552874 A CN107552874 A CN 107552874A CN 201710971114 A CN201710971114 A CN 201710971114A CN 107552874 A CN107552874 A CN 107552874A
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- Prior art keywords
- reinforcing bar
- steel
- bar
- casing
- clamp
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- 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.)
- Pending
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 73
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 title claims abstract description 16
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 32
- 239000002699 waste material Substances 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000008450 motivation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 210000003205 muscle Anatomy 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/04—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work
- B23D47/06—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work for stock of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/08—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for bringing the circular saw blade to the workpiece or removing same therefrom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/12—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
A kind of Steel Reinforcing Bar Material equipment of safe low noise simple in construction, easy to use, that processing noise, raising safe effect and operating efficiency can be reduced.Technical scheme is：Including casing (4), it is characterized in that being provided with steel bar clamping device (9) in the upper end of the casing (4), reinforcing bar topping machanism (5) is internally provided with casing (4)；Wherein, the cutter groove (8) to match with the cutter of reinforcing bar topping machanism (5) is provided with the clamp of the reinforcing bar clamping device (9), the cutter of reinforcing bar topping machanism (5) is located at the lower section of cutter groove (8).
Description
Technical field
The invention belongs to steel bar meter apparatus field, especially it is a kind of it is simple in construction, easy to use, processing can be reduced make an uproar
Sound, the Steel Reinforcing Bar Material equipment for improving safe effect and the safe low noise of operating efficiency.
Background technology
At present, the conventional Steel Reinforcing Bar Material equipment of in the market is to be punched cutting machine or reinforcing bar abrasive cutoff saw using reinforcing bar, existing
Problem is：Saw blade cut-out reinforcing bar, blanking reinforcing bar outside reinforcing bar clamp are processed in the case of no any constraint, breaking moment
Reinforcing bar can be squeezed partially by blade, and the meeting of reinforcing bar two free end is rapid, swing by a relatively large margin, and it is hidden to there is severe safety for operator
Suffer from.Abrasive cutoff saw blanking is grinding wheel and reinforcing bar high-speed friction completes cut-out work, thus reinforcing bar can be produced in cut-out it is very big
Noise pollution；In addition, because there is reinforcing bar part exposed, also frequently there is the pernicious casualty accident that grinding wheel fracture flies out, and
And processing efficiency is very low.
The content of the invention
It is an object of the invention to provide it is a kind of it is simple in construction, easy to use, processing noise can be reduced, improve safe effect
With the Steel Reinforcing Bar Material equipment of the safe low noise of operating efficiency.
The technical scheme is that：A kind of Steel Reinforcing Bar Material equipment of safe low noise, including casing (4), it is characterized in that
The upper end of the casing (4) is provided with steel bar clamping device (9), reinforcing bar topping machanism (5) is internally provided with casing (4)；
Wherein, the cutter groove to match with the cutter of reinforcing bar topping machanism (5) is provided with the clamp of the reinforcing bar clamping device (9)
(8), the cutter of reinforcing bar topping machanism (5) is located at the lower section of cutter groove (8).
It is described that waste material stripper (6), the waste material stripper (6) and machine are provided with above reinforcing bar topping machanism (5)
The side plate of shell (4) is flexibly connected.
The steel bar clamping device (9) is by bar clamp tightening pincers (1), dynamic pincers (2) and clamping cylinder (3) group of steel bar clamping
Into, wherein, bar clamp tightening pincers (1) and relative set up of the dynamic pincers (2) of steel bar clamping are used to clamp reinforcing bar, the clamping cylinder (3)
It is connected with the dynamic pincers (2) of steel bar clamping；Triangular ramp dop (7), reinforcing bar are provided with the inside of bar clamp tightening pincers (1)
Clamp and trapezoidal inclined plane dop (10) is provided with the medial surface of dynamic pincers (2), cutter groove (8) is located at tapered slope dop (7) and trapezoidal
The medium position of inclined-plane dop (10).
The reinforcing bar topping machanism (5) revolves head by slide rail (51), sliding block (52), reductor (53), motor (54), main shaft
(55), cold saw blade protective cover (56), cold saw blade (57) and cutting feed oil cylinder (58) composition；Wherein, motor (54) is logical
Cross reductor (53) to be connected with main shaft rotation head (55), main shaft rotation head (55) is connected with cold saw blade (57), cold saw blade (57) peace
In cold saw blade protective cover (56)；Motor (54) is arranged on sliding block (52), and sliding block (52) is arranged on slide rail (51),
Slide rail (51) is connected with casing (4)；Cutting feed oil cylinder (58) is arranged on below sliding block (52).
The casing (4) is to be connected with each other the hollow structure formed, the bar clamp tightening pincers (1), steel by four side plates
Muscle clamps dynamic pincers (2), clamping cylinder (3) on the upper end of (4) side plates of casing, adjacent with the side plate side plate
End is provided with waste material stripper clamp (11), relative housing side wall and waste material stripper with the waste material stripper clamp (11)
(6) connected by hinge, the height of the clamp (9) is higher than the height of hinge.
The steel bar clamping device (9) and reinforcing bar topping machanism (5) are controlled by PLC control devices, power form for it is pneumatic,
Hydraulic pressure or powered version.
More than enough of the equipment energy uses simultaneously, completes the blanking work to reinforcing bar multistage jointly.
The present invention effect be：Reinforcing bar is put into jaw, moves clamp tight reinforcing bar, and cutting feed oil cylinder is by the reinforcing bar cutting of rotation
Cut Power Component since the upward Top of bottom of shell rise and sawing, when reinforcing bar is cut off, cold saw blade inside caliper, does not have all the time
Have and expose caliper surface；Caliper center section is provided with saw blade cutter groove, therefore the off-position of saw blade is arranged in caliper
Between part, reinforcing bar disconnect when two sections clamped all the time by jaw, avoid material head from flying out, improve safe effect.Treat that reinforcing bar cuts power
After the saw blade of component drops to casing internal, jaw unclamps, and cut-off stub bar of reinforced bar prolongs inclination stripper and slips into reject bin, carries
The high security performance of equipment.Cold saw cut-out reinforcing bar use Tool in Cutting rather than wheel grinding, very quiet during cutting reinforcing bar, makes an uproar
Sound pollution is greatly reduced, and reduces the influence to surrounding environment.
Casing is connected with waste material stripper by hinge, allow waste material stripper cutting power set rising and under
Under the influence of drop, complete the hang plate that prolongs after the cut-out of reinforcing bar waste material and slip into reject bin.
The raising and lowering that casing completes cutting power set with cutting power set using the slip of slide rail, sliding block is moved
Make.
Cold saw blade revolves the high speed spinning movement of the stable low noise of head cooperation completion by reductor, motor, main shaft.
Cold saw blade is arranged in cold saw blade protective cover, and cold saw blade protective cover covers the lateral surface of cold saw blade,
Prevent foreign matter from entering cutting zone, prevent personal injury.
The present invention is described further with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is that reinforcing bar cuts powerplant configuration schematic diagram in Fig. 1；
Fig. 3 is first step working state schematic representation of the present invention；
Fig. 4 is second step working state schematic representation of the present invention；
Fig. 5, Fig. 6 are the 3rd step working state schematic representations of the invention；
Fig. 7, Fig. 8 are the 4th step working state schematic representations of the invention；
Fig. 9, Figure 10 are the 5th step working state schematic representations of the invention.
Embodiment
In Fig. 1, a kind of Steel Reinforcing Bar Material equipment of safe low noise, including casing 4, the upper end of casing 4 is provided with reinforcing bar
Clamping device 9, reinforcing bar topping machanism 5 is internally provided with casing 4.Wherein, set in the clamp of the reinforcing bar clamping device 9
There is the cutter groove 8 that the cutter with reinforcing bar topping machanism 5 matches, the cutter of reinforcing bar topping machanism 5 is located at the lower section of cutter groove 8.
Waste material stripper 6 is provided with above topping machanism 5, waste material stripper 6 is flexibly connected with the side plate of casing 4.
Steel bar clamping device 9 is made up of bar clamp tightening pincers 1, the dynamic pincers 2 of steel bar clamping and clamping cylinder 3, wherein, bar clamp
Tightening pincers 1 and relative set up of the dynamic pincers 2 of steel bar clamping are used to clamp reinforcing bar, and the clamping cylinder 3 is connected with the dynamic pincers 2 of steel bar clamping；
Triangular ramp dop 7 is provided with the inner side of bar clamp tightening pincers 1, is provided with the medial surface of the dynamic pincers 2 of steel bar clamping
Trapezoidal inclined plane dop 10, cutter groove 8 is located at triangular ramp dop 7 and the middle part of trapezoidal inclined plane dop 10 is set.
Casing 4 is to be connected with each other the hollow structure formed by four side plates, the dynamic pincers 2 of bar clamp tightening pincers 1, steel bar clamping,
Clamping cylinder 3 is arranged on the upper end of 4 one side plates of casing, and adjacent with the side plate side plate upper end is provided with waste material stripper
Clamp 11, the housing side wall relative with the waste material stripper clamp 11 are connected with waste material stripper 6 by hinge, clamp 9
Highly it is higher than the height of hinge.
In Fig. 2, reinforcing bar topping machanism 5 revolves first 55, cold saw by slide rail 51, sliding block 52, reductor 53, motor 54, main shaft
Blade guard 56, cold saw blade 57 and cutting feed oil cylinder 58 form；Wherein, motor 54 is revolved by reductor 53 and main shaft
First 55 connection, main shaft rotation first 55 are connected with cold saw blade 57, and cold saw blade 57 is arranged in cold saw blade protective cover 56；Motor
54 are arranged on sliding block 52, and sliding block 52 is arranged on slide rail 51, and slide rail 51 is connected with casing 4；Cutting feed oil cylinder 58 is arranged on
Below sliding block 52.
Steel bar clamping device 9 and reinforcing bar cutting power set 5 are controlled by PLC control devices, and power form is pneumatic, hydraulic pressure
Or powered version.
During actual use, user by steel bar clamping, then will be cut by the dynamic pincers 2 of steel bar clamping by cutting feed oil cylinder 58
Cut power set 5 to be lifted, the sawing-like motion to reinforcing bar is completed with the cold saw blade of high speed rotation.
The concrete application method of the present invention is as follows：
Step 1: in Fig. 3, it is in place that reinforcing bar 15 is put into jaw；
Step 2: in Fig. 4, the dynamic pincers 2 of steel bar clamping are promoted to fix steel bar clamping by clamping cylinder 3；
Step 3: in Fig. 5, Fig. 6, reinforcing bar topping machanism 5 drives cutting power set 5 along vertical by cutting feed oil cylinder 58
Direction guiding rail is fed, and bar clamp tightening pincers 1 and the dynamic pincers 2 of steel bar clamping are the middle hollow structure rived, and saw blade is in jaw
Moved up and down inside the hollow structure of parcel, sawtooth is not exposed in working angles.After saw blade is by bar cutting, jaw is still pressed
Tight reinforcing bar, reinforcing bar will not splash or get rid of, and 16 be cut-off stub bar of reinforced bar.
Step 4: in Fig. 7, Fig. 8, after bar cutting, the reverse drive of cutting feed oil cylinder 58, cold saw blade is with cutting power
Device 5 drops to bottom and hidden, and waste material stripper 6 declines and tilted with cutting power set 5.
Step 5: Fig. 9, Tu10Zhong, are unclamped the dynamic pincers of reinforcing bar by the dynamic pincers 2 of the reverse drive steel bar clamping of clamping cylinder 3, steel
Muscle waste material head prolongs hinge plate and slips into reject bin.
Multiple step 1 completes the processing of more reinforcing bars to step 5.
This equipment is applied to different length, the steel bar meter in section.
Claims (7)
1. a kind of Steel Reinforcing Bar Material equipment of safe low noise, including casing (4), it is characterized in that being set in the upper end of the casing (4)
Steel bar clamping device (9) is equipped with, reinforcing bar topping machanism (5) is internally provided with casing (4)；Wherein, step up to fill in the reinforcing bar
Put the cutter groove (8) for being provided with the clamp of (9) and matching with the cutter of reinforcing bar topping machanism (5), the knife of reinforcing bar topping machanism (5)
Tool is positioned at the lower section of cutter groove (8).
2. the Steel Reinforcing Bar Material equipment of safe low noise according to claim 1, it is characterized in that described in reinforcing bar topping machanism
(5) waste material stripper (6) is provided with above, the waste material stripper (6) is flexibly connected with the side plate of casing (4).
3. the Steel Reinforcing Bar Material equipment of safe low noise according to claim 1 or 2, it is characterized in that the steel bar clamping device
(9) be made up of bar clamp tightening pincers (1), the dynamic pincers (2) of steel bar clamping and clamping cylinder (3), wherein, bar clamp tightening clamp (1) and
The dynamic pincers (2) of steel bar clamping are relative to set up for clamping reinforcing bar, and the clamping cylinder (3) is connected with the dynamic pincers (2) of steel bar clamping；Institute
State and triangular ramp dop (7) is provided with the inside of bar clamp tightening pincers (1), set on the medial surface of the dynamic pincers (2) of steel bar clamping
There is trapezoidal inclined plane dop (10), cutter groove (8) is located at the medium position of tapered slope dop (7) and trapezoidal inclined plane dop (10).
4. the Steel Reinforcing Bar Material equipment of safe low noise according to claim 1, it is characterized in that the reinforcing bar topping machanism (5)
By slide rail (51), sliding block (52), reductor (53), motor (54), main shaft rotation head (55), cold saw blade protective cover (56), cold
Saw saw blade (57) and cutting feed oil cylinder (58) composition；Wherein, motor (54) revolves head (55) by reductor (53) and main shaft
Connection, main shaft rotation head (55) are connected with cold saw blade (57), and cold saw blade (57) is arranged in cold saw blade protective cover (56)；Electricity
Motivation (54) is arranged on sliding block (52), and sliding block (52) is arranged on slide rail (51), and slide rail (51) is connected with casing (4)；Cutting
Feed cylinder (58) is arranged on below sliding block (52).
5. the Steel Reinforcing Bar Material equipment of safe low noise according to claim 3, it is characterized in that the casing (4) is by four
Side plate is connected with each other the hollow structure formed, the bar clamp tightening pincers (1), the dynamic pincers (2) of steel bar clamping, clamping cylinder (3) peace
Mounted in the upper end of (4) side plates of casing, adjacent with the side plate side plate upper end is provided with waste material stripper clamp (11),
The housing side wall relative with the waste material stripper clamp (11) is connected with waste material stripper (6) by hinge, the clamp (9)
Height be higher than hinge height.
6. the Steel Reinforcing Bar Material equipment of safe low noise according to claim 1, it is characterized in that the steel bar clamping device (9)
Controlled with reinforcing bar topping machanism (5) by PLC control devices, power form is pneumatic, hydraulic pressure or powered version.
7. the Steel Reinforcing Bar Material equipment of safe low noise according to claim 1, it is characterized in that more than enough of equipment energy is same
When use, complete jointly to reinforcing bar multistage blanking work.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971114.4A CN107552874A (en) | 2017-10-18 | 2017-10-18 | A kind of Steel Reinforcing Bar Material equipment of safe low noise |
| PCT/CN2018/104920 WO2019076168A1 (en) | 2017-10-18 | 2018-09-11 | Safe and low-noise steel bar unloading equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971114.4A CN107552874A (en) | 2017-10-18 | 2017-10-18 | A kind of Steel Reinforcing Bar Material equipment of safe low noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107552874A true CN107552874A (en) | 2018-01-09 |
Family
ID=60985576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710971114.4A Pending CN107552874A (en) | 2017-10-18 | 2017-10-18 | A kind of Steel Reinforcing Bar Material equipment of safe low noise |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107552874A (en) |
| WO (1) | WO2019076168A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019076168A1 (en) * | 2017-10-18 | 2019-04-25 | 蒋文 | Safe and low-noise steel bar unloading equipment |
| CN109967798A (en) * | 2019-04-23 | 2019-07-05 | 董丽平 | Building iron is automatically positioned cutter device |
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| CN101704130A (en) * | 2009-11-09 | 2010-05-12 | 浙江金马逊机械有限公司 | Automatic cutter relieving mechanism |
| CN102554343A (en) * | 2012-01-17 | 2012-07-11 | 太仓威格玛机械设备有限公司 | Full-automatic corner connector cutting device |
| KR20150123416A (en) * | 2014-04-24 | 2015-11-04 | 영림임업 주식회사 | Door production equipment for metal cutting |
| CN204997138U (en) * | 2015-08-06 | 2016-01-27 | 佛山市埃申特科技有限公司 | Automatic cutout machine of metal cylinder body |
| CN105618846A (en) * | 2016-03-31 | 2016-06-01 | 中冶华天南京工程技术有限公司 | Metal disk saw for sawing small-section finished product steel |
| CN207372414U (en) * | 2017-10-18 | 2018-05-18 | 蒋文 | A kind of Steel Reinforcing Bar Material equipment of safe low noise |
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| CN101130212A (en) * | 2006-08-25 | 2008-02-27 | 中通客车控股股份有限公司 | Tube baiting device used for stamper |
| CN103658832B (en) * | 2012-09-25 | 2016-11-23 | 浙江摩多巴克斯科技股份有限公司 | Pipe installation |
| CN106424476A (en) * | 2016-10-26 | 2017-02-22 | 泗县宁宇市政设施科技有限公司 | Steel bar blanking device |
| CN107552874A (en) * | 2017-10-18 | 2018-01-09 | 蒋文 | A kind of Steel Reinforcing Bar Material equipment of safe low noise |
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2017
- 2017-10-18 CN CN201710971114.4A patent/CN107552874A/en active Pending
-
2018
- 2018-09-11 WO PCT/CN2018/104920 patent/WO2019076168A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704130A (en) * | 2009-11-09 | 2010-05-12 | 浙江金马逊机械有限公司 | Automatic cutter relieving mechanism |
| CN102554343A (en) * | 2012-01-17 | 2012-07-11 | 太仓威格玛机械设备有限公司 | Full-automatic corner connector cutting device |
| KR20150123416A (en) * | 2014-04-24 | 2015-11-04 | 영림임업 주식회사 | Door production equipment for metal cutting |
| CN204997138U (en) * | 2015-08-06 | 2016-01-27 | 佛山市埃申特科技有限公司 | Automatic cutout machine of metal cylinder body |
| CN105618846A (en) * | 2016-03-31 | 2016-06-01 | 中冶华天南京工程技术有限公司 | Metal disk saw for sawing small-section finished product steel |
| CN207372414U (en) * | 2017-10-18 | 2018-05-18 | 蒋文 | A kind of Steel Reinforcing Bar Material equipment of safe low noise |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019076168A1 (en) * | 2017-10-18 | 2019-04-25 | 蒋文 | Safe and low-noise steel bar unloading equipment |
| CN109967798A (en) * | 2019-04-23 | 2019-07-05 | 董丽平 | Building iron is automatically positioned cutter device |
| CN109967798B (en) * | 2019-04-23 | 2020-05-01 | 湖北华信建设工程有限公司 | Automatic positioning and cutting device for construction steel bars |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019076168A1 (en) | 2019-04-25 |
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