CN110170597B - Wear-resisting bar straightener of reinforcing bar processing - Google Patents
Wear-resisting bar straightener of reinforcing bar processing Download PDFInfo
- Publication number
- CN110170597B CN110170597B CN201910428056.XA CN201910428056A CN110170597B CN 110170597 B CN110170597 B CN 110170597B CN 201910428056 A CN201910428056 A CN 201910428056A CN 110170597 B CN110170597 B CN 110170597B
- Authority
- CN
- China
- Prior art keywords
- straightening
- steel bars
- reinforcing steel
- adjusting
- drum
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/02—Straightening
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
Abstract
The invention discloses a wear-resistant straightening machine for processing reinforcing steel bars, which relates to the technical field of reinforcing steel bar processing and comprises a rack, wherein a driven rotating roller used for compressing the reinforcing steel bars is arranged on the rack, a driving rotating roller driven by a conveying mechanism is arranged at the bottom of the reinforcing steel bars in an abutting mode, a straightening rotating drum for penetrating the reinforcing steel bars is arranged on the rack in a rotating mode, two straightening mechanisms connected through adjusting mechanisms are symmetrically arranged in the straightening rotating drum, each straightening mechanism comprises a plurality of rotatably arranged straightening pressing wheels, and the straightening pressing wheels are arranged in an abutting mode with the pressure of the reinforcing steel bars; the straightening mechanism for straightening the steel bars can be quickly adjusted through the adjusting mechanism, so that the straightening pressure wheel in the straightening mechanism and the steel bars are kept in a pressing state, a sufficient straightening effect is realized, the straightening mechanism is suitable for straightening the steel bars with different diameters, the additionally arranged conveying mechanism can intermittently convey the steel bars into the straightening rotary drum, the steel bars can intermittently stay in the straightening rotary drum, the time required by straightening the steel bars is ensured, and the straightening effect of the steel bars is better.
Description
Technical Field
The invention relates to the technical field of steel bar processing, in particular to a wear-resistant straightener for steel bar processing.
Background
The steel bar refers to steel for reinforced concrete and prestressed reinforced concrete, the cross section of the steel bar is circular, sometimes square with round corners, and the steel bar comprises smooth steel bars, ribbed steel bars and twisted steel bars. The reinforcing steel bar for reinforced concrete is straight bar or wire rod shaped steel for reinforcing steel bar of reinforced concrete, its external form is divided into smooth bar reinforcing steel bar and deformed reinforcing steel bar, its delivery state is two kinds of straight bar reinforcing steel bar and wire rod reinforcing steel bar, and the reinforcing steel bar can be extensively used in various building structures, specially large-scale, heavy-duty, light-weight thin-wall and high-rise building structure. The reinforcing bar needs to straighten its operation in the course of working to guarantee the whole quality of reinforcing bar.
Application publication No. CN103920831A discloses a bar straightener, including horizontal module and perpendicular module, horizontal module can rotate around the frame through the drive of belt pulley. According to the reinforcement bar straightening machine provided by the invention, the vertical module and the horizontal module are arranged, the vertical module provides traction force through the driving wheel to enable the reinforcement bar to advance, the reinforcement bar is preliminarily straightened, then the reinforcement bar enters the horizontal module, and the reinforcement bar is further straightened through the compression among the multiple rollers and the rotation of the horizontal module.
Disclosure of Invention
The invention aims to provide a wear-resistant straightener for processing reinforcing steel bars, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a wear-resisting straightener of reinforcing bar processing, includes the frame, is equipped with the driven roller that changes that is used for compressing tightly the reinforcing bar in the frame, and reinforcing bar bottom butt is equipped with the initiative roller that changes by conveying mechanism driven, and the rotation type is equipped with the alignment rotary drum that supplies the reinforcing bar to run through in the frame, and the symmetry is equipped with two alignment mechanisms who connects through adjustment mechanism in the alignment rotary drum, and alignment mechanism includes that a plurality of rotates the alignment pinch roller that sets up, alignment pinch roller and reinforcing bar pressure butt setting.
As a modified scheme of the invention: the straightening mechanism further comprises a connecting plate axially parallel to the straightening rotary drum, a plurality of guide columns which are distributed at equal intervals are fixed on the connecting plate along the radial direction of the straightening rotary drum, wheel carriers are fixed on the guide columns, and the straightening press wheel is pivoted on the wheel carriers.
As a modified scheme of the invention: the adjusting mechanism comprises a limiting sleeve fixed on the inner wall of the straightening rotary drum, the guide post is embedded in the limiting sleeve in a sliding mode, a limiting spring is fixedly connected between the limiting sleeve and the guide post, an adjusting stud abutted against the connecting plate is arranged on the side wall of the straightening rotary drum in a penetrating mode in a threaded connection mode, and a hand wheel is fixed on the adjusting stud.
As a modified scheme of the invention: the conveying mechanism comprises a worm driven to rotate by a motor, a worm wheel is meshed and matched with the worm, a driving semicircular gear is coaxially fixed on the worm wheel, and a driven gear meshed and matched with the driving semicircular gear is coaxially fixed on the driving rotary roller.
As a modified scheme of the invention: an outer gear ring is fixedly sleeved on the outer side wall of the straightening rotary drum, and a driving gear coaxially fixed with the worm is connected to the bottom of the outer gear ring in a meshed mode.
As a modified scheme of the invention: the vertical adjusting sleeve that is fixed with in the frame, slidable mounting has the movable rod in the adjusting sleeve, and from the live-action roller pin joint on the movable rod, fixedly connected with regulating spring between movable rod and the adjusting sleeve, adjusting sleeve lateral wall threaded connection has the positioning stud with the movable rod butt.
As a modified scheme of the invention: the frame is fixed with the gallows, and alignment rotary drum both ends all are fixed with the rotating sleeve who supplies the reinforcing bar to pass coaxially, and the rotating sleeve pin joint is on the gallows.
Compared with the prior art, the invention has the beneficial effects that:
the straightening mechanism for straightening the steel bars can be quickly adjusted through the adjusting mechanism, so that the straightening pressing wheel in the straightening mechanism and the steel bars are kept in a pressing state, a sufficient straightening effect is realized, the straightening mechanism is suitable for straightening the steel bars with different diameters, the conveying mechanism can intermittently convey the steel bars into the straightening rotary drum, the steel bars can intermittently stay in the straightening rotary drum, the time required by straightening the steel bars is ensured, and the straightening effect of the steel bars is better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a perspective view of the straightening mechanism of the present invention;
fig. 4 is a perspective view illustrating the connection between the straightening rotary drum and the outer ring gear according to the present invention.
In the figure: 1-a rack, 2-a hanger, 3-a rotating sleeve, 4-an adjusting spring, 5-an adjusting sleeve, 6-a positioning stud, 7-a driven rotating roller, 8-a movable rod, 9-a driven gear, 10-a motor, 11-a driving rotating roller, 12-a worm, 13-a driving semicircular gear, 14-a worm gear, 15-a driving gear, 16-an external gear ring, 17-a reinforcing steel bar, 18-a straightening rotating cylinder, 19-a limiting spring, 20-an adjusting stud, 21-a limiting sleeve, 22-a guide column, 23-a wheel carrier, 24-a straightening pressure wheel, 25-a hand wheel and 26-a connecting plate.
Detailed Description
The technical scheme of the patent is further described in detail by combining the following specific embodiments:
example 1
Referring to fig. 1-4, a wear-resistant straightening machine for processing reinforcing steel bars comprises a frame 1, wherein a driven rotating roller 7 used for compressing the reinforcing steel bars 17 is arranged on the frame 1, a driving rotating roller 11 driven by a conveying mechanism is arranged at the bottom of the reinforcing steel bars 17 in an abutting mode, a straightening rotating drum 18 for the reinforcing steel bars 17 to penetrate through is arranged on the frame 1 in a rotating mode, two straightening mechanisms connected through an adjusting mechanism are symmetrically arranged in the straightening rotating drum 18, each straightening mechanism comprises a plurality of straightening pressing wheels 24 rotatably arranged, and the straightening pressing wheels 24 are in pressure abutting connection with the reinforcing steel bars 17.
The general working process of the device is as follows: carry the reinforcing bar 17 that needs to straighten through conveying mechanism, inside reinforcing bar 17 entered into straightening rotary drum 18, and straightening rotary drum 18 drove inside adjustment mechanism rotatory, and adjustment mechanism's straightening pinch roller 24 presses and plays the straightening effect on the surface of reinforcing bar 17.
Specifically, the straightening mechanism further comprises a connecting plate 26 axially parallel to the straightening drum 18, a plurality of guide columns 22 are fixed on the connecting plate 26 along the radial direction of the straightening drum 18 and are distributed at equal intervals, a wheel carrier 23 is fixed on each guide column 22, and the straightening pressure wheel 24 is pivoted on the wheel carrier 23. When the alignment rotary drum 18 is rotatory, the alignment pinch roller 24 rotates along with the alignment rotary drum 18 is rotatory, plays the pressure straight to reinforcing bar 17 circumference, and each position homoenergetic of reinforcing bar 17 circumference promptly receives alignment pinch roller 24's symmetrical formula extrusion, has guaranteed reinforcing bar 17's high efficiency alignment effect.
Because in reinforcing bar 17 course of working, there is the difference in the specification of reinforcing bar 17, need straighten the reinforcing bar 17 of different diameters promptly, in order to promote the application scope of this device, this device has still set up adjustment mechanism, and it specifically includes the spacing sleeve 21 of fixing at straightening rotary drum 18 inner wall, and guide post 22 slides to inlay establishes in spacing sleeve 21. A limiting spring 19 is fixedly connected between the limiting sleeve 21 and the guide post 22, an adjusting stud 20 which is abutted against a connecting plate 26 is arranged on the side wall of the straightening rotary drum 18 in a penetrating manner in a threaded connection mode, and a hand wheel 25 is fixed on the adjusting stud 20.
Through the setting, can adjust the interval that is located the alignment wheel 24 of reinforcing bar 17 both sides through rotatory adjusting screw bolt 20 to adapt to different reinforcing bar 17 sizes, specifically the accommodation process is:
when the size of the steel bar 17 is larger, the hand wheel 25 is rotated to drive the adjusting stud 20 to rotate, the adjusting stud 20 is screwed into the outer part of the straightening rotary drum 18, at the moment, under the elastic action of the limiting spring 19, the guide column 22 moves towards one side of the inner wall of the straightening rotary drum 18 along the limiting sleeve 21, and at the moment, the distance between the straightening press wheels 24 on the two sides of the steel bar 17 is increased, so that the straightening of the large-size steel bar 17 can be adapted; on the contrary, when the size of the steel bar 17 is smaller, the space between the straightening pressing wheels 24 on the two sides of the steel bar 17 can be reduced by reversely rotating the hand wheel 25, so that the straightening device can be suitable for straightening the steel bar 17 with small size.
Example 2
On the basis of embodiment 1, in order to ensure that the reinforcing steel bars 17 are sufficiently straightened by the straightening mechanism, that is, the length of the pressed straightening time of a specific part is ensured, the conveying mechanism in the device comprises a worm 12 driven to rotate by a motor 10, a worm wheel 14 is meshed and adapted on the worm 12, a driving semicircular gear 13 is coaxially fixed on the worm wheel 14, a driven gear 9 meshed and adapted with the driving semicircular gear 13 is coaxially fixed on a driving rotating roller 11, an outer gear ring 16 is fixedly sleeved on the outer side wall of a straightening rotating drum 18, and a driving gear 15 coaxially fixed with the worm 12 is meshed and connected to the bottom of the outer gear ring 16.
The motor 10 drives the worm 12 to rotate, the worm 12 drives the worm wheel 14 to rotate together with the driving semicircular gear 13, the driving semicircular gear 13 intermittently meshes with the driven gear 9 for transmission while rotating, the driven gear 9 drives the driving rotary roller 11 to rotate, and then the reinforcing steel bars 17 between the driving rotary roller 11 and the driven rotary roller 7 are conveyed into the straightening rotary drum 18.
Meanwhile, the worm 12 drives the driving gear 15, the driving gear 15 rotates and simultaneously drives the outer gear ring 16 meshed with the driving gear to rotate, the rotating effect of the straightening rotary drum 18 is achieved, and at the moment, the straightening mechanism in the straightening rotary drum 18 rotates and straightens the reinforcing steel bars 17; because the intermittent type nature meshing of initiative semicircular gear 13 and driven gear 9 has realized that intermittent type nature carries reinforcing bar 17 to straightening rotary drum 18 in, reinforcing bar 17 can stop in straightening rotary drum 18 intermittent type nature promptly, guarantees that straightening rotary drum 18 straightens the sufficient time of reinforcing bar 17, has effectively promoted reinforcing bar 17 straightening effect.
In addition, an adjusting sleeve 5 is vertically fixed on the frame 1, a movable rod 8 is slidably mounted in the adjusting sleeve 5, a driven rotating roller 7 is pivoted on the movable rod 8, an adjusting spring 4 is fixedly connected between the movable rod 8 and the adjusting sleeve 5, and a positioning stud 6 abutted against the movable rod 8 is in threaded connection with the side wall of the adjusting sleeve 5. The movable rod 8 can drive the driven roller 7 to adjust the height position from top to bottom, the movable rod 8 and the adjusting sleeve 5 are locked through the rotary positioning stud 6, and the distance between the driven roller 7 and the driven gear 9 is adjusted to adapt to the conveying of reinforcing steel bars 17 with different diameters.
The frame 1 in this device is fixed with gallows 2, and straightening rotary drum 18 both ends all are fixed with the rotating sleeve 3 that supplies reinforcing bar 17 to pass coaxially, and the rotating sleeve 3 pin joint is on gallows 2, but gallows 2 plays the support limiting displacement to straightening rotary drum 18, guarantees going on smoothly of reinforcing bar 17 alignment process.
In summary, the straightening mechanism for straightening the reinforcing steel bars 17 can be quickly adjusted through the adjusting mechanism, so that the straightening pressure roller 24 and the reinforcing steel bars 17 in the straightening mechanism are kept in a pressing state, a sufficient straightening effect is achieved, the straightening mechanism is suitable for straightening the reinforcing steel bars 17 with different diameters, the conveying mechanism can intermittently convey the reinforcing steel bars 17 into the straightening rotary drum 18, the reinforcing steel bars 17 can intermittently stay in the straightening rotary drum 18, the time required by straightening the reinforcing steel bars 17 is ensured, and the straightening effect of the reinforcing steel bars 17 is better.
It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these changes and substitutions belong to the protection scope of the present invention. The protection scope of this technical solution patent should be subject to the appended claims.
Claims (5)
1. A wear-resistant straightener for processing reinforcing steel bars comprises a stander (1), wherein the stander (1) is provided with a driven rotating roller (7) used for compressing the reinforcing steel bars (17), and the straightener is characterized in that the bottom of the reinforcing steel bars (17) is abutted with a driving rotating roller (11) driven by a conveying mechanism, the stander (1) is rotatably provided with a straightening rotating drum (18) through which the reinforcing steel bars (17) penetrate, the straightening rotating drum (18) is internally and symmetrically provided with two straightening mechanisms connected through an adjusting mechanism, each straightening mechanism comprises a plurality of straightening press wheels (24) which are rotatably arranged, the straightening press wheels (24) are in pressure abutting connection with the reinforcing steel bars (17), the conveying mechanism comprises a worm (12) driven by a motor (10) to rotate, the worm (12) is engaged and adapted with a worm wheel (14), the worm wheel (14) is coaxially fixed with a driving semicircular gear (13), the driving rotating roller (11) is coaxially fixed with a driven gear (9) engaged and adapted with the driving semicircular gear (13), an outer gear ring (16) is fixedly sleeved on the outer side wall of the straightening rotary drum (18), and a driving gear (15) coaxially fixed with the worm (12) is connected to the bottom of the outer gear ring (16) in a meshed mode.
2. The wear-resistant straightening machine for processing the steel bars according to claim 1, wherein the straightening mechanism further comprises a connecting plate (26) which is axially parallel to the straightening drum (18), a plurality of guide columns (22) which are distributed at equal intervals are fixed on the connecting plate (26) along the radial direction of the straightening drum (18), a wheel carrier (23) is fixed on each guide column (22), and the straightening pressure wheel (24) is pivoted on the wheel carrier (23).
3. The wear-resistant straightener for processing steel bars as claimed in claim 2, wherein the adjusting mechanism comprises a limiting sleeve (21) fixed on the inner wall of the straightening drum (18), a guide post (22) is slidably embedded in the limiting sleeve (21), a limiting spring (19) is fixedly connected between the limiting sleeve (21) and the guide post (22), an adjusting stud (20) abutted against a connecting plate (26) is arranged in the straightening drum (18) in a threaded connection mode, and a hand wheel (25) is fixed on the adjusting stud (20).
4. The wear-resistant straightener for processing steel bars according to claim 1, wherein an adjusting sleeve (5) is vertically fixed on the frame (1), a movable rod (8) is slidably mounted in the adjusting sleeve (5), a driven rotating roller (7) is pivotally connected to the movable rod (8), an adjusting spring (4) is fixedly connected between the movable rod (8) and the adjusting sleeve (5), and a positioning stud (6) abutted against the movable rod (8) is in threaded connection with the side wall of the adjusting sleeve (5).
5. The abrasion-resistant straightener for processing steel bars according to claim 1 is characterized in that a hanger (2) is fixed on the stander (1), a rotating sleeve (3) for the steel bars (17) to pass through is coaxially fixed at both ends of the straightening rotary drum (18), and the rotating sleeve (3) is pivoted on the hanger (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428056.XA CN110170597B (en) | 2019-05-22 | 2019-05-22 | Wear-resisting bar straightener of reinforcing bar processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428056.XA CN110170597B (en) | 2019-05-22 | 2019-05-22 | Wear-resisting bar straightener of reinforcing bar processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110170597A CN110170597A (en) | 2019-08-27 |
| CN110170597B true CN110170597B (en) | 2020-09-25 |
Family
ID=67691773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910428056.XA Expired - Fee Related CN110170597B (en) | 2019-05-22 | 2019-05-22 | Wear-resisting bar straightener of reinforcing bar processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110170597B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687342A (en) * | 2020-06-05 | 2020-09-22 | 成都先进金属材料产业技术研究院有限公司 | Wire straightening device |
| CN111745085A (en) * | 2020-06-11 | 2020-10-09 | 苏州德利而自动化科技有限公司 | Wire material alignment equipment and alignment method thereof |
| CN113385609B (en) * | 2020-08-28 | 2022-11-04 | 怀化市昌顺建筑工程有限公司 | Steel bar straightening machine |
| CN112570598A (en) * | 2020-12-29 | 2021-03-30 | 国网河南省电力公司西峡县供电公司 | Power line straightening device |
| CN113118246A (en) * | 2021-04-09 | 2021-07-16 | 佛山市顺德区惠联模具科技有限公司 | Straightening machine |
| CN113877992B (en) * | 2021-12-07 | 2022-05-13 | 江苏神铸智能科技有限公司 | Metal section straightening machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309911Y (en) * | 1997-11-11 | 1999-03-10 | 周和敏 | Steel bar straightening length-preset cutting machine |
| CN2595487Y (en) * | 2002-08-17 | 2003-12-31 | 马鞍山黑马钢筋焊网有限公司 | High speed steel bar straightening and cutting machine |
| EP2762246A2 (en) * | 2013-01-30 | 2014-08-06 | WAFIOS Aktiengesellschaft | Straightening machine for wire |
| CN205650735U (en) * | 2016-05-05 | 2016-10-19 | 孙德志 | Construction steel bar alignment clipper |
| CN207205112U (en) * | 2017-08-08 | 2018-04-10 | 福建兴航机械铸造有限公司 | Bar straightening shear |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201002121Y (en) * | 2007-01-31 | 2008-01-09 | 郑小根 | Stamping forming machine for double-hook on the anti-sliding chain |
| CN202087744U (en) * | 2011-05-20 | 2011-12-28 | 华北电力大学（保定） | Automatic feeding device of nail making machine |
| CN103990744B (en) * | 2014-05-30 | 2016-03-02 | 冯广建 | A kind of laminated type bar straightener |
-
2019
- 2019-05-22 CN CN201910428056.XA patent/CN110170597B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309911Y (en) * | 1997-11-11 | 1999-03-10 | 周和敏 | Steel bar straightening length-preset cutting machine |
| CN2595487Y (en) * | 2002-08-17 | 2003-12-31 | 马鞍山黑马钢筋焊网有限公司 | High speed steel bar straightening and cutting machine |
| EP2762246A2 (en) * | 2013-01-30 | 2014-08-06 | WAFIOS Aktiengesellschaft | Straightening machine for wire |
| CN205650735U (en) * | 2016-05-05 | 2016-10-19 | 孙德志 | Construction steel bar alignment clipper |
| CN207205112U (en) * | 2017-08-08 | 2018-04-10 | 福建兴航机械铸造有限公司 | Bar straightening shear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110170597A (en) | 2019-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110170597B (en) | Wear-resisting bar straightener of reinforcing bar processing | |
| CN203936514U (en) | Online docking reinforcing bar cage seam welding | |
| CN201932385U (en) | Automatic up-and-down carton sealing machine | |
| CN207103694U (en) | Steel bar straightener | |
| CN104607575A (en) | Stirrup box capable of compressing and orderly releasing spiral continuous stirrups | |
| CN104174712A (en) | Curved-surface profile processing device and method | |
| CN106311830B (en) | Steel pipe variable-curvature-radius bending method and implementation equipment | |
| CN2146315Y (en) | Section-bending machine | |
| CN117884487B (en) | Metal winding gasket inner ring preparation clamp and feeding and discharging method thereof | |
| CN201267851Y (en) | Metal strand straightening device | |
| CN203233959U (en) | Automatic biscuit forming machine | |
| CN203541189U (en) | Novel sheet rolling machine | |
| CN205519360U (en) | Shield constructs draw gear of section of jurisdiction monolithic net inner arc reinforcing bar and outer arc reinforcing bar | |
| CN110102574A (en) | A kind of shaping structure in aluminium bar continuous casting and rolling production line | |
| CN205056890U (en) | Machine for aligning steel bar | |
| CN203044585U (en) | Nylon roller steel tube straightening machine | |
| CN210824301U (en) | Bracket device and supporting and moving machine | |
| CN208083093U (en) | Steel bar dieing | |
| CN113118335A (en) | Truss welding steel bar bending device | |
| CN203578637U (en) | Switching device for multi-size straightening rows of automatic rebar bending machine | |
| CN2468626Y (en) | Machine for straightening steel bar | |
| CN114309178A (en) | Hydraulic pipe bender for leisure handicraft | |
| CN202933979U (en) | Straightening machine | |
| CN114375931A (en) | Afforestation engineering's curing means | |
| CN208613486U (en) | The blanking units of cold-bending forming machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Jingpan Inventor after: Zhao Zhongxin Inventor after: Xu Fasheng Inventor after: Zhang Hengliang Inventor after: Li Chuanwei Inventor after: Zhang Haiyan Inventor after: Xu Jingdong Inventor after: Liu Lu Inventor before: Zhang Jingpan Inventor before: Zhao Zhongxin Inventor before: Liu Lu Inventor before: Zhang Hengliang Inventor before: Li Chuanwei Inventor before: Xu Jingdong Inventor before: Zhang Haiyan |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20200925 Termination date: 20210522 |