CN201913169U - Cut steel wire straightener - Google Patents
Cut steel wire straightener Download PDFInfo
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- CN201913169U CN201913169U CN2010206613016U CN201020661301U CN201913169U CN 201913169 U CN201913169 U CN 201913169U CN 2010206613016 U CN2010206613016 U CN 2010206613016U CN 201020661301 U CN201020661301 U CN 201020661301U CN 201913169 U CN201913169 U CN 201913169U
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Abstract
The utility model discloses a cut steel wire straightener, which greatly increases the natural ring diameter of a cut steel wire and can detect unqualified source wires. The straightener comprises a baseplate, wherein the baseplate is provided with a horizontally arranged straightening device and a vertically arranged straightening device, each straightening device comprises a backing plate, the backing plate is fixedly provided with a row of fixed bearings, one side of the backing plate is provided with a sliding plate of which one end is inserted into the backing plate, the backing plate positioned at one side of the sliding plate is provided with a waist-shaped hole, one side of the backing plate is provided with a plurality of sliding bearings, the sliding bearings are respectively fixed on the sliding plate, the fixed bearings and the sliding bearings are respectively provided with guide slots, the fixed bearings and the sliding bearings are staggered, and steel wire channels are formed between the fixed bearings and the sliding bearings, the sliding plate positioned outside the backing plate is provided with a sliding plate waist-shaped hole, the backing plate is provided with a fixed block, the fixed block is movably provided with an eccentric shaft, the eccentric shaft is provided with a poking rod, and one end of the eccentric shaft extends into the sliding plate waist-shaped hole. The cut steel wire straightener is used in a place for producing cut steel wires.
Description
Technical field
The utility model relates to the straightener that is used for fine steel wire, refers more particularly to a kind of cutting straightening steel wire device.
Background technology
Be drawn in the process of cutting steel wire at the source silk, because trend and the mold center existence of cutting steel wire departing from various degree, this departing from the prior art also can't solve, the cutting steel wire is local extrusion friction by die orifice the time, cause the cutting steel wire from die orifice come out the back under nature, be clocklike spiral, bending, and above-mentionedly depart from greatly more, and the circle footpath of cutting steel wire bending is more little, and stress is big more.This ringlet directly cuts steel wire when cut workpiece, is easy to produce random line, knotting, fracture etc.Situation takes place if joint is arranged in the silk of source, heat treatment is undesirable or copper facing is inhomogeneous etc., can't detect in existing drawing process, and this is during to follow-up cut workpiece, and the situation that produces fracture is particularly outstanding, and this can bring massive losses to the user.
The utility model content
Technical problem to be solved in the utility model is: a kind of footpath of circle naturally of improving the cutting steel wire greatly is provided, and can detects the cutting straightening steel wire device of defective source silk.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of cutting straightening steel wire device, comprise base plate, and the straightener of a horizontal positioned and the straightener of a vertical placement are arranged on the base plate.
Described straightener comprises backing plate, be set with row's rigid bearing on the backing plate, one side of backing plate is provided with slide plate, one end of slide plate inserts in the backing plate, the backing plate that is positioned at slide plate one side is provided with several mounting holes, backing plate one side has some sliding bearings, sliding bearing is separately fixed on the slide plate that is positioned at the mounting hole place by bolt, the surface of the outer ring of rigid bearing and sliding bearing is along being respectively arranged with and cutting the suitable gathering sill of steel wire diameter on its circumferencial direction, rigid bearing and sliding bearing are staggered, and form the steel wire passage of S shape trend between rigid bearing and the sliding bearing, the slide plate that is positioned at the backing plate outside is provided with the slide plate mounting hole, and backing plate is provided with fixed block, is movably set with eccentric shaft on the fixed block, eccentric shaft is provided with driving lever, and an end of eccentric shaft stretches in the slide plate mounting hole.
Described straightener also comprises the pressing plate that is fixedly installed on backing plate one side, pressing plate is provided with through hole, the thread segment of one bolt extend in the backing plate by this through hole, and be threaded with slide block in being slidingly arranged in backing plate, the backing plate of slide block one side is provided with mounting hole, the arranged outside one of backing plate is regulated bearing, this adjusting bearing is fixedlyed connected with slide block by screw, regulate be set with respectively on the backing plate of bearing both sides bearing and with regulate bearing and be staggered, regulate on the bolt and be set with stop collar, the head of stop collar and adjusting bolt lays respectively at the both sides of pressing plate.
Described straightener comprises backing plate, be provided with the slide block of plurality of moveable in the backing plate, be set with bearing respectively by screw on the slide block, adjacent bearing is staggered and forms two row's bearings, the outer ring of bearing is along being respectively arranged with and cutting the suitable gathering sill of steel wire diameter on its circumferencial direction, form the steel wire passage of S shape trend between two row's bearings, one side of backing plate is provided with fixed head, fixed head is provided with some through holes, the through hole that the thread segment of bolt passes on the fixed head is threaded respectively with an end of corresponding slide block, be set with stop collar on the bolt respectively, stop collar and bolt head lay respectively at the fixed head both sides.
Described straightener comprises backing plate, be provided with the slide block of plurality of moveable in the backing plate, be set with bearing respectively by screw on the slide block, on adjacent bearing is staggered and forms, two arrange bearings down, the outer ring of bearing is along being respectively arranged with and cutting the suitable gathering sill of steel wire diameter on its circumferencial direction, on, form the steel wire passage of S shape trend down between two row's bearings, one side of backing plate sets gradually fixed head and adjustable plate, bolt passes adjustable plate and fixed head is threaded respectively with an end of slide block, with be set with two stop collars respectively on the corresponding bolt of following row's bearing, two stop collars lay respectively at the fixed head both sides, with be set with a stop collar respectively on the corresponding bolt of last row's bearing, this stop collar and bolt head lay respectively at the adjustable plate both sides, and described straightener also comprises on the promotion adjustable plate, mobile down adjusting device.
Described adjusting device is formed by the pole that is hinged on the backing plate both sides and with the connecting rod that two poles link together, and offers chute on the pole, and the two ends of adjustable plate are provided with slide bar, and slide bar is arranged in chute.
Described base plate is provided with the directive wheel that the cutting steel wire is imported straightener.
The beneficial effects of the utility model are: utilize the steel wire passage of S shape trend, the cutting steel wire is carried out reciprocal repeatedly pre-bending, thereby eliminate the stress in the cutting steel wire, improve the circle footpath of cutting steel wire under natural torsion.Situation takes place if joint is arranged in the silk of source, heat treatment is undesirable or copper facing is inhomogeneous etc., and the source silk is repeatedly being fractureed after the pre-bending, thereby detecting this source silk is substandard product, has improved the qualification rate of cutting steel wire, has guaranteed the continuity that the client produces.
Description of drawings
Fig. 1 is the front view of first kind of embodiment of the utility model cutting straightening steel wire device;
Fig. 2 is the front view of the straightener in second kind of embodiment of the utility model cutting straightening steel wire device;
Fig. 3 is the front view of the straightener in the third embodiment of the utility model cutting straightening steel wire device;
Fig. 4 be among Fig. 3 A to structure chart.
Among the figure: 1, base plate, 2, backing plate, 3, rigid bearing, 4, slide plate, 5, mounting hole, 6, sliding bearing, 7, gathering sill, 8, the slide plate mounting hole, 9, fixed block, 10, eccentric shaft, 11, driving lever, 12, pressing plate, 13, regulate bolt, 14, slide block, 15, regulate bearing, 16, bearing, 17, directive wheel, 18, fixed head, 19, bolt, 20, stop collar, 21, adjustable plate, 22, lower limit cover, 23, the upper limit cover, 24, pole, 25, connecting rod, 26, chute, 27, slide bar, 28, arrange bearing on, 29, following row's bearing.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As shown in Figure 1, first kind of embodiment of cutting straightening steel wire device described in the utility model comprises base plate 1, and the straightener of a horizontal positioned and the straightener of a vertical placement are arranged on the base plate.Straightener comprises backing plate 2, be set with row's rigid bearing 3 by screw on the backing plate 2, one side of backing plate 2 is provided with slide plate 4, one end of slide plate 4 inserts in the backing plate 2, the backing plate 2 that is positioned at slide plate 4 one sides is provided with several mounting holes 5, backing plate 2 one sides have some sliding bearings 6, sliding bearing 6 is separately fixed on the slide plate 4 that is positioned at mounting hole 5 places by bolt, the surface of the outer ring of rigid bearing 3 and sliding bearing 6 is along being respectively arranged with and cutting the suitable gathering sill of steel wire diameter 7 on its circumferencial direction, rigid bearing 3 is staggered with sliding bearing 6, and form the steel wire passage of S shape trend between rigid bearing 3 and the sliding bearing 6, the slide plate 4 that is positioned at backing plate 2 outsides is provided with slide plate mounting hole 8, backing plate 2 is provided with fixed block 9, be movably set with eccentric shaft 10 on the fixed block 9, eccentric shaft 10 is provided with driving lever 11, and an end of eccentric shaft 10 stretches in the slide plate mounting hole 8.In order further to finely tune the pre-camber of cutting steel wire, described straightener also comprises the pressing plate 12 that is fixedly installed on backing plate 2 one sides, pressing plate 12 is provided with through hole, one thread segment of regulating bolt 13 extend in the backing plate 2 by this through hole, and be threaded with slide block 14 in being slidingly arranged in backing plate 2, the backing plate 2 of slide block 14 1 sides is provided with mounting hole, the arranged outside one of backing plate 2 is regulated bearing 15, this is regulated bearing 15 and fixedlys connected with slide block 14 by screw, regulates to be set with bearing 16 respectively on the backing plate of bearing 15 both sides and to be staggered with adjusting bearing 15.Regulate on the bolt 13 welding or be fixed with stop collar 20 by pin, stop collar 20 and the head of regulating bolt 13 lay respectively at the both sides of pressing plate 12, regulate bolt 13 like this and can rotate in pressing plate 12, but can't move along its axis.For convenience the source silk is incorporated in the straightener, the front end of base plate is provided with directive wheel 17.
Second kind of embodiment of cutting straightening steel wire device described in the utility model comprises base plate 1, and the straightener of a horizontal positioned and the straightener of a vertical placement are arranged on the base plate.As shown in Figure 2, straightener comprises backing plate 2, be provided with the slide block 14 of plurality of moveable in the backing plate 2, be set with bearing 16 respectively by screw on the slide block 14, on adjacent bearing 16 is staggered and forms, two arrange bearings down, the outer ring of bearing 16 is along being respectively arranged with and cutting the suitable gathering sill of steel wire diameter 7 on its circumferencial direction, form the steel wire passage of S shape trend between two row's bearings, one side of backing plate 2 is provided with fixed head 18, fixed head 18 is provided with some through holes, the through hole that the thread segment of bolt 19 passes on the fixed head 18 is threaded respectively with an end of corresponding slide block 14, welding or be set with stop collar 20 respectively on the bolt 19 by pin, and stop collar 20 and bolt 19 heads lay respectively at fixed head 18 both sides.19 on bolt is rotatable like this, and can't move along its axis, and when bolt 19 rotated, the slide block 14 that is threaded with bolt 19 just can move up and down.For convenience the source silk is incorporated in the straightener, the front end of base plate is provided with directive wheel 17.The cutting straightening steel wire device that has the said structure straightener can be regulated the height of each bearing arbitrarily when reality is used, very easily bearing is adjusted to the appropriate location, has reduced part part precision requirement in the cutting straightening steel wire device.
The third embodiment of cutting straightening steel wire device described in the utility model comprises base plate 1, and the straightener of a horizontal positioned and the straightener of a vertical placement are arranged on the base plate.As shown in Figure 3, Figure 4, straightener comprises backing plate, be provided with the slide block 14 of plurality of moveable in the backing plate 2, be set with bearing 16 respectively by screw on the slide block 14, adjacent bearing 16 is staggered and forms upper and lower two row's bearings, the outer ring of bearing 16 is along being respectively arranged with and cutting the suitable gathering sill of steel wire diameter 7 on its circumferencial direction, form the steel wire passage of S shape trend between upper and lower two row's bearings, one side of backing plate 2 sets gradually fixed head 18 and adjustable plate 21, fixed head 18 is fixedlyed connected with backing plate 2, can relatively move between adjustable plate 21 and the fixed head 18.Bolt 19 passes adjustable plate 21 and fixed head 18 is threaded respectively with an end of slide block 14, with be set with two lower limit cover 22 on following row's bearing 29 corresponding bolts respectively, two lower limit cover 22 lays respectively at fixed head 18 both sides, with be set with upper limit cover 23 on last row's bearing 28 corresponding bolts respectively, this upper limit cover 23 and bolt head lay respectively at adjustable plate 21 both sides.For easy to operate, general each bearing that moves simultaneously in the row's of going up bearing 28 for this reason, is provided with one and promotes adjustable plate 21 upper and lower mobile adjusting devices.All bolts 19 are all only rotatable, and can't move along its axis, but adjustable plate 21 moves up and down by the row's of the going up bearing 28 on the bolt 19 drive slide blocks 14 under the promotion of adjusting device.Described adjusting device is formed by the pole 24 that is hinged on backing plate 2 both sides and with the connecting rod 25 that two poles 24 link together, and offers chute 26 on the pole 24, and the two ends of adjustable plate 21 are provided with slide bar 27, and slide bar 27 is arranged in chute 26.When actual production, also can control to adjust distance between plate 21 and the fixed head 18 and regulate distance between upper and lower row's bearing in that screw is set on the adjustable plate 21.For convenience the source silk is incorporated in the straightener, the front end of base plate is provided with directive wheel 17.
The operation principle of first kind of embodiment of the utility model cutting straightening steel wire device is: as shown in Figure 1, the source silk is introduced the steel wire passage of the straightener of horizontal positioned through directive wheel 17, and draws from the steel wire passage of the straightener of vertical placement.In order to prevent that the source silk from skidding, on rigid bearing 3, sliding bearing 6, adjusting bearing 13 and bearing 16 gathering sill 7 is set all in this process, the source silk is just carried in gathering sill 7 and can not skidded.The source silk enters straightener for convenience, earlier leave sliding bearing 6 under order rigid bearing 3, concrete operations are: stir driving lever 11, driving lever 11 drives eccentric shaft 10 and rotates, one end of eccentric shaft 10 rotates in slide plate mounting hole 8, and the sliding bearing 6 on promotion slide plate 4 and the slide plate 4 is away from rigid bearing 3.After the source silk for the treatment of is put into the gathering sill 7 of rigid bearing 3, stir driving lever 11 in the other direction, sliding bearing 6 on slide plate 4 and the slide plate 4 is close rigid bearing 3 under the effect of eccentric shaft 10, source silk between adjacent fixed bearing 3 also enters in the gathering sill 7 of sliding bearing 6 and is bent, whether the cutting steel wire that detects after being shaped meets production requirement then, if do not meet, regulate the distance between rigid bearing 3 and the sliding bearing 6 repeatedly, qualified until the cutting steel wire of producing.After the distance between rigid bearing 3 and the sliding bearing 6 is determined, and produced when also having minute differences between cutting steel wire and the qualified products, also can not regulate the distance between rigid bearing 3 and the sliding bearing 6, only regulate the distance between bearing 15 and the bearing 16, be specially rotation and regulate bolt 13, because regulating bolt 13 can't move axially, event slide block 14 can be regulated moving axially of bolt 13 in the edge under the effect of regulating bolt 13, thus the adjusting of distance between adjusting bearing 13 on the realization slide block 14 and the bearing 16.
Second kind of embodiment of the utility model cutting straightening steel wire device is with basic identical with the operation principle of first kind of embodiment, and difference only is the regulative mode difference between the bearing.Wherein, on arrange bearing 28 and be equivalent to first kind of sliding bearing 6 in the embodiment, following row's bearing 29 is equivalent to first kind of rigid bearing 3 in the embodiment.As shown in Figure 2, its concrete regulative mode is: because bolt 19 can't move along its axis, so during swivel bolt 19, the slide block 14 that links to each other respectively with bolt 19 will be along the moving axially of bolt 19, thereby can regulate upper and lower two distances of arranging between the bearings.Regulate repeatedly, the distance between upper and lower two row's bearings meets production requirement.
The third embodiment of the utility model cutting straightening steel wire device is with basic identical with the operation principle of first kind of embodiment, and difference only is the regulative mode difference between the bearing.Last row's bearing 28 is equivalent to first kind of sliding bearing 6 in the embodiment, and following row's bearing 29 is equivalent to first kind of rigid bearing 3 in the embodiment.Its concrete regulative mode is: as Fig. 3, shown in Figure 4, stir earlier connecting rod 25 counterclockwise, connecting rod 25 drives pole 24 and rotates, the slide bar 27 of adjustable plate 21 both sides moves under the effect of pole 24 upper hopper chutes 26, thereby move on the realization adjustable plate 21, because adjustable plate 21 links to each other with slide block 14 by bolt 19, last row's bearing is separately fixed on this slide block 14, so, and along with moving on the adjustable plate 21, last row's bearing 28 moves on also, it is big that distance between last row's bearing 28 and the following row's bearing 29 also becomes thereupon, at this moment the source silk can be put into down in the gathering sill 7 of row's bearing 29, stirs connecting rod 25 then clockwise, the just close row's bearing 29 down of last row's bearing 28 is until pushing down the source silk.When the pre-camber of adjusting source silk, also very convenient, distance between each bearing 16 and the following row's bearing 29 in the row's of adjusting bearing 28 separately, and after being separately fixed at bearing 16 on the slide block 14, the height of conveniently adjusted each bearing 16, thereby realize the accurate adjustment of distance between upper and lower row's bearing, also reduce the generation that causes the situation that part scraps because of the production error.
Also have the method for distance between the upper and lower two row's bearings of multiple adjusting, just do not add to have given unnecessary details at this.
The cutting straightening steel wire device of said structure, the steel wire passage that utilizes S shape to move towards carries out reciprocal repeatedly pre-bending to the cutting steel wire, thereby eliminates the stress in the cutting steel wire, improves and cuts the circle footpath of steel wire under natural torsion.If situation takes place joint to be arranged in the silk of source, heat treatment is undesirable or copper facing is inhomogeneous etc., the source silk is repeatedly being fractureed after the pre-bending, thereby detecting this source silk is substandard product, avoided original defective source silk also can be produced the generation of the situation of cutting steel wire, the cutting steel wire that defective source silk is produced is easy to fracture in use, can produce very adverse influence to client's production efficiency like this.
Claims (7)
1. cutting straightening steel wire device is characterized in that: comprise base plate, the straightener of a horizontal positioned and the straightener of a vertical placement are arranged on the base plate.
2. cutting straightening steel wire device according to claim 1, it is characterized in that: described straightener comprises backing plate, be set with row's rigid bearing on the backing plate, one side of backing plate is provided with slide plate, one end of slide plate inserts in the backing plate, the backing plate that is positioned at slide plate one side is provided with several mounting holes, backing plate one side has some sliding bearings, sliding bearing is separately fixed on the slide plate that is positioned at the mounting hole place by bolt, the surface of the outer ring of rigid bearing and sliding bearing is along being respectively arranged with and cutting the suitable gathering sill of steel wire diameter on its circumferencial direction, rigid bearing and sliding bearing are staggered, and form the steel wire passage of S shape trend between rigid bearing and the sliding bearing, the slide plate that is positioned at the backing plate outside is provided with the slide plate mounting hole, backing plate is provided with fixed block, be movably set with eccentric shaft on the fixed block, eccentric shaft is provided with driving lever, and an end of eccentric shaft stretches in the slide plate mounting hole.
3. cutting straightening steel wire device according to claim 2, it is characterized in that: described straightener also comprises the pressing plate that is fixedly installed on backing plate one side, pressing plate is provided with through hole, the thread segment of one bolt extend in the backing plate by this through hole, and be threaded with slide block in being slidingly arranged in backing plate, the backing plate of slide block one side is provided with mounting hole, the arranged outside one of backing plate is regulated bearing, this adjusting bearing is fixedlyed connected with slide block by screw, regulate be set with respectively on the backing plate of bearing both sides bearing and with regulate bearing and be staggered, regulate on the bolt and be set with stop collar, the head of stop collar and adjusting bolt lays respectively at the both sides of pressing plate.
4. cutting straightening steel wire device according to claim 1, it is characterized in that: described straightener comprises backing plate, be provided with the slide block of plurality of moveable in the backing plate, be set with bearing respectively by screw on the slide block, adjacent bearing is staggered and forms two row's bearings, the outer ring of bearing is along being respectively arranged with and cutting the suitable gathering sill of steel wire diameter on its circumferencial direction, form the steel wire passage of S shape trend between two row's bearings, one side of backing plate is provided with fixed head, fixed head is provided with some through holes, the through hole that the thread segment of bolt passes on the fixed head is threaded respectively with an end of corresponding slide block, be set with stop collar on the bolt respectively, stop collar and bolt head lay respectively at the fixed head both sides.
5. cutting straightening steel wire device according to claim 1, it is characterized in that: described straightener comprises backing plate, be provided with the slide block of plurality of moveable in the backing plate, be set with bearing respectively by screw on the slide block, on adjacent bearing is staggered and forms, two arrange bearings down, the outer ring of bearing is along being respectively arranged with and cutting the suitable gathering sill of steel wire diameter on its circumferencial direction, on, form the steel wire passage of S shape trend down between two row's bearings, one side of backing plate sets gradually fixed head and adjustable plate, bolt passes adjustable plate and fixed head is threaded respectively with an end of slide block, with be set with two stop collars respectively on the corresponding bolt of following row's bearing, two stop collars lay respectively at the fixed head both sides, with be set with a stop collar respectively on the corresponding bolt of last row's bearing, this stop collar and bolt head lay respectively at the adjustable plate both sides, and described straightener also comprises on the promotion adjustable plate, mobile down adjusting device.
6. cutting straightening steel wire device according to claim 5, it is characterized in that: described adjusting device is formed by the pole that is hinged on the backing plate both sides and with the connecting rod that two poles link together, offer chute on the pole, the two ends of adjustable plate are provided with slide bar, and slide bar is arranged in chute.
7. according to any described cutting straightening steel wire device in the claim 1 to 6, it is characterized in that: described base plate is provided with the directive wheel that the cutting steel wire is imported straightener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206613016U CN201913169U (en) | 2010-12-15 | 2010-12-15 | Cut steel wire straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206613016U CN201913169U (en) | 2010-12-15 | 2010-12-15 | Cut steel wire straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201913169U true CN201913169U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206613016U Expired - Fee Related CN201913169U (en) | 2010-12-15 | 2010-12-15 | Cut steel wire straightener |
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| Country | Link |
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| CN (1) | CN201913169U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069134A (en) * | 2010-12-15 | 2011-05-25 | 张家港市科辰仪表有限公司 | Cut steel wire straightener |
| CN102688960A (en) * | 2012-06-25 | 2012-09-26 | 安徽天宇金属股份有限公司 | Non-spiral bidirectional straightening roll device for straightening and cutting off steel bar |
| CN103350159A (en) * | 2013-07-19 | 2013-10-16 | 姜勇 | Steel-bar arc-delivering straightening hoop bending machine |
| CN104438961A (en) * | 2014-12-18 | 2015-03-25 | 周盈裕 | Stay wire straightener |
-
2010
- 2010-12-15 CN CN2010206613016U patent/CN201913169U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069134A (en) * | 2010-12-15 | 2011-05-25 | 张家港市科辰仪表有限公司 | Cut steel wire straightener |
| CN102069134B (en) * | 2010-12-15 | 2012-10-03 | 张家港市科辰仪表有限公司 | Cut steel wire straightener |
| CN102688960A (en) * | 2012-06-25 | 2012-09-26 | 安徽天宇金属股份有限公司 | Non-spiral bidirectional straightening roll device for straightening and cutting off steel bar |
| CN102688960B (en) * | 2012-06-25 | 2014-06-18 | 安徽天宇金属股份有限公司 | Non-spiral bidirectional straightening roll device for straightening and cutting off steel bar |
| CN103350159A (en) * | 2013-07-19 | 2013-10-16 | 姜勇 | Steel-bar arc-delivering straightening hoop bending machine |
| CN104438961A (en) * | 2014-12-18 | 2015-03-25 | 周盈裕 | Stay wire straightener |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20121215 |