CN100506425C - Cold heading machine straightening device - Google Patents
Cold heading machine straightening device Download PDFInfo
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- CN100506425C CN100506425C CNB2007100713795A CN200710071379A CN100506425C CN 100506425 C CN100506425 C CN 100506425C CN B2007100713795 A CNB2007100713795 A CN B2007100713795A CN 200710071379 A CN200710071379 A CN 200710071379A CN 100506425 C CN100506425 C CN 100506425C
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- straightening
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Abstract
The invention discloses a cold header aligning device, which comprises a level supporting frame(13), a feeding wheel(5) that drives the blank to go forward linearly; one end of the level supporting frame(13) is fixed with a machine frame girder(12) that is fixed on the machine frame(7); another end is fixed on the feeding mechanism of the cold header. The aligning device also includes a hollow aligning shaft(1), and a transmission mechanism. A supporting frame girder(3) is fixed on the level supporting frame(13); one end of the hollow aligning shaft(1) is rotatably connected with the machine frame girder(12), another end is rotatably connected with the supporting frame girder(3); one end of the hollow aligning shaft(1) that sticks out of the supporting frame girder(3) is connected with the transmission mechanism; the transmission mechanism is connected with the machine frame(7) and both of them are fixed on a level plate(11). The cold header aligning device in this structure has excellent aligning effect, can improve the passing rate of finished products, therefore can improve the economic benefit.
Description
Technical field
The present invention relates to a kind of machine straightening device, specifically is a kind of blank machine straightening device that is used for the cold headers of securing members such as processing bolt, screw.
Background technology
In China's national standard Investment in fastener industry, most of producer has all adopted the high-efficient automatic cold headers to come securing members such as processing bolt, screw.Generally all fold owing to make the blank of securing member, therefore must be before the processing securing member earlier with the blank straightening.The cold heading machine straightening device of prior art is generally adjusted the linearity of blank by several rollers.Described roller is equidistant and interlace and be distributed on the horizontal stand of cold headers, and biscuit begins to enter straightening from first roller, and the effect of the charging wheel that moves ahead through the blank linearity of overdriving and the power of several rollers makes crooked blank obtain straightening.Wherein a row roller can be adjusted the relative position of arranging roller with another by manual adjustments straightening screw, and promptly the diameter of biscuit has determined the relative position of two row's rollers.Because blank is in the straightening process, only be subjected to the effect of the power of roller horizontal direction, so the blank of bolt, screw do not have complete straightening, can only be applicable to securing members such as the little bolt of length, screw.Along with the development of industrial automation, bolt, screw specification require more and more higher, and length variations is bigger, at long size bolt, screw, the cold headers of employing prior art machine straightening device can't reach the quality requirement of product, so scrappage is very high, causes very big economic loss to enterprise.
Summary of the invention
Technical problem to be solved by this invention is, provides that a kind of straightening is effective, product qualified rate is high, the cold heading machine straightening device that can increase economic efficiency.
For solving the problems of the technologies described above, cold heading machine straightening device provided by the invention, comprise horizontal stand, drive the charging wheel that the blank linearity moves ahead, described horizontal stand one end is fixed with the frame riser that is fixed on the frame, and the other end is fixed on the cold headers feed mechanism.This machine straightening device also comprises hollow straightening axle, transmission mechanism, be fixed with the support riser on the described horizontal stand, described hollow straightening axle one end and frame riser are rotationally connected, the other end and support riser are rotationally connected, the end that described hollow straightening shaft extension goes out the support riser is connected with transmission mechanism, on the level board that described transmission mechanism is fixed on frame is fixedlyed connected.Described transmission mechanism comprises hinge wheel, minor sprocket, big belt pulley, small belt pulley, intermeshing bevel gear I and bevel gear II, belt shaft; Wherein, small belt pulley is fixed on the straightening shaft extension and goes out on the end of support riser, big belt pulley is fixedlyed connected with an end of belt shaft, the other end of belt shaft is fixed with bevel gear I, bevel gear II and minor sprocket are fixed on the same sprocket shaft, and hinge wheel is fixed on the axle of following charging wheel of cold headers charging wheel.
After adopting above structure, because the straightening axle is connected with transmission mechanism, the straightening axle is rotating always in the course of the work, therefore blank is subjected to the effect of radial load equably on circumference when charging wheel drive lower linear is advanced, and the material that comes out by the straightening axle just can not be arc like this, reach the linearity requirement of bolt, screw blank better, that is to say that straightening is effective, can improve product qualified rate, thereby increase economic efficiency.
Described hollow straightening axle comprises straightening cover, a plurality of straightening piece, a plurality of straightening screw.Wherein, each of described a plurality of straightening pieces places respectively in of a plurality of through holes at straightening cover center, and the center bore of straightening piece is greater than the diameter of the blank of required straightening; Per two of described a plurality of straightening screw is a pair of, and the every pair of straightening screw screws respectively in a plurality of through holes that straightening puts one, and two end faces of every pair of straightening screw hold out against with the both ends of the surface of each straightening piece respectively.After adopting this structure, blank evenly is subjected to the effect that tightens of straightening screw diametrically.
Described a plurality of straightening number of blocks is 5, and described a plurality of straightening screw numbers are 5 pairs.This quantity is the optimal number that makes the blank straightening.
Being rotationally connected of described hollow straightening axle two ends is meant that hollow straightening axle two ends are rotationally connected with frame riser, support riser respectively by bearing.After adopting this structure, the two ends of hollow straightening axle can freely be rotated on frame riser and support riser, thereby realize that hollow straightening axle rotates, and the radial load that the blank circumferencial direction is subjected to is more even.
Description of drawings
Fig. 1 is a prior art cold heading machine straightening device vertical view;
Fig. 2 is the structural representation of cold heading machine straightening device of the present invention;
Fig. 3 is the transmission mechanism bevel gear mesh schematic representation of cold heading machine straightening device of the present invention;
Fig. 4 is the view of A-A direction among Fig. 2;
Fig. 5 is the hollow straightening axle cutaway view of cold heading machine straightening device of the present invention.
Wherein, 1, hollow straightening axle; 2, bearing; 3, support riser; 4, small belt pulley; 5, charging wheel; 6, hinge wheel; 7, frame; 8, belt shaft; 9, big belt pulley; 10, minor sprocket; 11, level board; 12, frame riser; 13, horizontal stand; 14, bevel gear I; 15, bevel gear II; 16, sprocket shaft; 17, straightening cover; 18, straightening screw; 19, straightening piece; 20, through hole; 21, prior art roller; 22, prior art screw.
The specific embodiment
Below in conjunction with the drawings and specific embodiments to further detailed explanation of the present invention.
By prior art cold heading machine straightening device vertical view shown in Figure 1 as can be known, the cold heading machine straightening device of prior art comprises several rollers 21, screw 22, horizontal stand 13.Described several rollers 21 are installed on the horizontal stand 13, and equidistant and branch two rows that interlace are distributed on the horizontal stand 13 of cold headers.Wherein a row roller 21 is connected with screw 22, adjusts the relative position of arranging roller 21 with another by manual adjustments screw 22, and promptly the diameter of blank has determined the relative position of two row's rollers.In cold headers when work, begin blank to send into from first roller in advance and carry out straightening, and the effect of the charging wheel that moves ahead through the blank linearity of overdriving and the power of several rollers makes crooked blank obtain straightening.Because blank is in the straightening process, only be subjected to the effect of the power of roller horizontal direction, so the blank of bolt, screw do not have complete straightening, can only be applicable to securing members such as the little bolt of length, screw.
By Fig. 2, schematic diagram shown in Figure 3 as can be known, cold heading machine straightening device of the present invention comprises horizontal stand 13, drives the charging wheel 5 that the blank linearity moves ahead, described horizontal stand 13 1 ends are fixing with the frame riser 12 that is fixed on the frame 7, and the other end is fixed on the cold headers feed mechanism.This machine straightening device also comprises hollow straightening axle 1, transmission mechanism, be fixed with support riser 3 on the described horizontal stand 13, described hollow straightening axle 1 one ends and frame riser 12 are rotationally connected, the other end and support riser 3 are rotationally connected, the end that described hollow straightening axle 1 stretches out support riser 3 is connected with transmission mechanism, and described transmission mechanism is fixed on the level board 11 of fixedlying connected with frame 7.Being rotationally connected of described hollow straightening axle 1 two ends is meant that hollow straightening axle 1 two ends are rotationally connected with frame riser 12, support riser 3 respectively by bearing 2.Described transmission mechanism comprises hinge wheel 6, minor sprocket 10, big belt pulley 9, small belt pulley 4, intermeshing bevel gear I14 and bevel gear II15, belt shaft 8.Wherein, small belt pulley 4 is fixed on straightening axle 1 and stretches out on the end of support riser 3, big belt pulley 9 is fixedlyed connected with an end of belt shaft 8, the other end of belt shaft 8 is fixed with bevel gear I14, bevel gear II15 and minor sprocket 10 are fixed on the same sprocket shaft 16, and hinge wheel 6 is fixed on the axle of following charging wheel of cold headers charging wheel 5.The effect of Bevel Gear Transmission is a conversion direction, and promptly hinge wheel 6 drives minor sprocket 10 rotations, by the engagement of bevel gear, big belt pulley 9 is rotated, and passes to small belt pulley 4 by belt transmission again, finally drives 1 running of straightening axle.
By Fig. 4, schematic diagram shown in Figure 5 as can be known, in the cold heading machine straightening device of the present invention, described hollow straightening axle 1 comprises straightening cover 17, a plurality of straightening piece 19, a plurality of straightening screw 18.Wherein, each of described a plurality of straightening pieces 19 places straightening to overlap in of a plurality of through holes 20 at 17 centers respectively, and the center bore of straightening piece 19 is greater than the diameter of the blank of required straightening.Described a plurality of straightening screw 18 per two be a pair of, and the every pair of straightening screw 18 screws respectively in a plurality of through holes 20 on straightening cover 17 one, two end faces of every pair of straightening screw hold out against with the both ends of the surface of each straightening piece 19 respectively.Described a plurality of straightening piece 19 quantity are 5, and described a plurality of straightening screw 18 quantity are 5 pairs.The center of described 5 straightening pieces 19 is not on same axis.So just can reach better straightening effect.According to different materials, the amplitude of accommodation of straightening screw 18 will be different.The quantity of straightening screw 18 is many more generally speaking, more can be the blank straightening, but can not be too much, the straightening effect of excessive number straightening screw 18, the resistance that blank is subjected to is just big more, can skid when causing the cold headers charging to take turns 5 chargings, and therefore above-mentioned described quantity is optimal number.
During cold headers work, the workman sends into blank in advance from the charging aperture of hollow straightening axle 1, takes turns in 5 up to the cold headers charging through hollow straightening axle 1.When charging wheel 5 rotates, by the final rotation that drives hollow straightening axle 1 of a series of transmissions, also drive the blank linearity simultaneously and move ahead, through the effect of straightening screw 18 in the hollow straightening axle 1, reach the effect of blank straightening.Blank comes out the back by cold headers charging wheel from machine straightening device, arrives in the cold headers, by manipulator the material that scales off is delivered on the mould after being cut off by cutter again.
Simultaneously, such device also can be realized the automatic simultaneously operating with cold headers.Because of cold headers are intermittent feedings, not continuous feed.Under the situation of not charging, hollow straightening axle 1 is also changeing, and this moment, blank must travel forward, otherwise blank can be twisted off.Therefore, hollow straightening axle rotates when requiring charging, stops operating during not charging, and hollow straightening axle must rotate simultaneously with the charging wheel.So by the rotation of charging wheel,, arrives hollow straightening axle at last and rotate, thereby realization is with the autosynchronous effect of cold headers in the cold heading machine straightening device of the present invention through big or small chain gear transmission, bevel gear engaged transmission, big small belt pulley transmission.
The present invention is not limited to above-described structure, and the quantity of straightening piece 19 and straightening screw 18 also can be other quantity, and these variations all fall within protection scope of the present invention.
Claims (4)
1, a kind of cold heading machine straightening device, comprise horizontal stand (13), drive the charging wheel (5) that the blank linearity moves ahead, described horizontal stand (13) one ends are fixing with the frame riser (12) that is fixed on the frame (7), the other end is fixed on the cold headers feed mechanism, it is characterized in that: this machine straightening device also comprises hollow straightening axle (1), transmission mechanism, be fixed with support riser (3) on the described horizontal stand (13), described hollow straightening axle (1) one end and frame riser (12) are rotationally connected, the other end and support riser (3) are rotationally connected, the end that described hollow straightening axle (1) stretches out support riser (3) is connected with transmission mechanism, and described transmission mechanism is fixed on the level board (11) of fixedlying connected with frame (7); Described transmission mechanism comprises hinge wheel (6), minor sprocket (10), big belt pulley (9), small belt pulley (4), intermeshing bevel gear I (14) and bevel gear II (15), belt shaft (8); Wherein, small belt pulley (4) is fixed on hollow straightening axle (1) and stretches out on the end of support riser (3), big belt pulley (9) is fixedlyed connected with an end of belt shaft (8), the other end of belt shaft (8) is fixed with bevel gear I (14), bevel gear II (15) and minor sprocket (10) are fixed on the same sprocket shaft (16), and hinge wheel (6) is fixed on the axle of following charging wheel of cold headers charging wheel (5).
2, cold heading machine straightening device according to claim 1 is characterized in that: described hollow straightening axle (1) comprises straightening cover (17), a plurality of straightening piece (19), a plurality of straightening screw (18); Wherein, each of described a plurality of straightening pieces (19) places respectively in of a plurality of through holes (20) at straightening cover (17) center, and the center bore of straightening piece (19) is greater than the diameter of the blank of required straightening; Per two of described a plurality of straightening screws (18) are a pair of, and every pair of straightening screw (18) screws respectively in a plurality of through holes (20) on straightening cover (17) one, and two end faces of every pair of straightening screw (18) hold out against with the both ends of the surface of each straightening piece (19) respectively.
3, cold heading machine straightening device according to claim 2 is characterized in that: described a plurality of straightening pieces (19) quantity is 5, and described a plurality of straightening screws (18) quantity is 5 pairs, promptly 10.
4, cold heading machine straightening device according to claim 1, it is characterized in that: being rotationally connected of described hollow straightening axle (1) two ends is meant that hollow straightening axle (1) two ends are rotationally connected with frame riser (12), support riser (3) respectively by bearing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100713795A CN100506425C (en) | 2007-09-21 | 2007-09-21 | Cold heading machine straightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100713795A CN100506425C (en) | 2007-09-21 | 2007-09-21 | Cold heading machine straightening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101125353A CN101125353A (en) | 2008-02-20 |
| CN100506425C true CN100506425C (en) | 2009-07-01 |
Family
ID=39093533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100713795A Expired - Fee Related CN100506425C (en) | 2007-09-21 | 2007-09-21 | Cold heading machine straightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100506425C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550886A (en) * | 2019-01-15 | 2019-04-02 | 海盐鑫港标准件有限公司 | The machine straightening device of cold headers |
| CN112371868B (en) * | 2020-10-26 | 2022-03-15 | 广州法思特精密五金有限公司 | Screw head forming process |
| CN112355389B (en) * | 2020-10-29 | 2023-08-29 | 太仓太标汽车部件有限公司 | Bolt cold heading device with automatic charging structure and working method thereof |
| CN113084076B (en) * | 2021-03-24 | 2022-01-18 | 江苏宝特汽车部件有限公司 | Cold heading machine is used in production of car fastener |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB668497A (en) * | 1949-03-15 | 1952-03-19 | Nat Machinery Co | Improvements in or relating to a straightening mechanism for attachment to a cold header or like machine |
| GB1231446A (en) * | 1968-12-05 | 1971-05-12 |
-
2007
- 2007-09-21 CN CNB2007100713795A patent/CN100506425C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB668497A (en) * | 1949-03-15 | 1952-03-19 | Nat Machinery Co | Improvements in or relating to a straightening mechanism for attachment to a cold header or like machine |
| GB1231446A (en) * | 1968-12-05 | 1971-05-12 |
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| Publication number | Publication date |
|---|---|
| CN101125353A (en) | 2008-02-20 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20160921 |