CN108817139B - Steel pipe straightening machine - Google Patents
Steel pipe straightening machine Download PDFInfo
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- CN108817139B CN108817139B CN201810608506.9A CN201810608506A CN108817139B CN 108817139 B CN108817139 B CN 108817139B CN 201810608506 A CN201810608506 A CN 201810608506A CN 108817139 B CN108817139 B CN 108817139B
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- steel pipe
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- cylindrical bin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
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Abstract
The invention discloses a steel pipe straightening machine which comprises an inverted n-shaped support, wherein first bearings are embedded in two side plates at an opening of the support, and the two first bearings are coaxially arranged; the correcting component comprises a cylindrical hollow cylindrical bin, a cylindrical bearing seat is coaxially arranged at two ends of the cylindrical bin, a second bearing for a steel pipe to be corrected to freely pass through is arranged in the bearing seat, and the two second bearings and the cylindrical bin are coaxially arranged; a plurality of floating bearing installation seats are arranged on a plurality of uniformly spaced cross sections in the cylindrical bin, each floating bearing installation seat on each cross section comprises a plurality of floating top frames which are circularly arrayed by taking a point on the axis of the cylindrical bin as the center, each floating top frame comprises an installation rod, a jacking spring and a sliding rod, a correction die pipe is coaxially embedded in an inner ring of each correction bearing, and the correction die pipe can be used for a steel pipe to be corrected to pass through and gradually correct the steel pipe; the steel pipe straightening machine is good in straightening effect and small in damage to steel pipes.
Description
Technical Field
The invention belongs to the technical field of steel pipe straightening, and particularly relates to steel pipe straightening equipment.
Background
When the steel pipe is used, straightening is needed, the existing steel pipe straightening method is usually adopted by manufacturers, the straightening effect on the steel pipe is poor, the straightening method is particularly not suitable for straightening longer steel pipes, rigid fracture or middle part reduction is easily caused, damage to the steel pipe after being straightened by other straightening equipment is large, strong rigid stretching or extrusion force can be used for correcting the bent steel pipe at one time, but the straightening effect is extremely poor, and a plurality of secondary deformation damages are caused by excessive correction.
Disclosure of Invention
The invention aims to solve the technical problems and provides a steel pipe straightener which has good straightening effect and small damage to steel pipes.
The technical scheme of the invention is as follows:
a steel pipe straightener comprises an inverted n-shaped support, wherein first bearings are embedded in two side plates at an opening of the support and are coaxially arranged;
the correcting component comprises a cylindrical hollow cylindrical bin, a cylindrical bearing seat is coaxially arranged at two ends of the cylindrical bin, a second bearing for a steel pipe to be corrected to freely pass through is arranged in the bearing seat, and the two second bearings and the cylindrical bin are coaxially arranged; the floating bearing installation seats are arranged on a plurality of uniformly spaced cross sections in the cylindrical bin, each floating bearing installation seat on each cross section comprises a plurality of floating top frames which are in a circular array by taking a point on the axis of the cylindrical bin as a center, each floating top frame comprises an installation rod, a jacking spring and a sliding rod, one end of each installation rod is fixed on the inner wall of the cylindrical bin, one end of each sliding rod can slidably extend into a blind hole at the other end of the installation rod along the length direction of the installation rod and is connected with the bottom of the blind hole through the jacking spring, the other end of each sliding rod is provided with a circular arc-shaped installation groove, the axis of each installation groove is coaxial with the cylindrical bin, the outer rings of the correction bearings are respectively and correspondingly embedded into the corresponding installation grooves, so that all the sliding rods on each bearing installation seat jointly determine the position of a corresponding correction floating bearing, and correction die tubes are coaxially, the straightening die pipe can be used for the steel pipe to be straightened to pass through and gradually straighten the steel pipe;
the cylindrical bin is horizontally arranged in the support opening, the bearing blocks at two ends of the cylindrical bin are respectively arranged in the first bearings, one of the bearing blocks extends out of the side plate of the support towards the outside of the support opening, and the extending end of the bearing block is provided with a driven gear which drives the whole cylindrical bin to rotate;
and along the conveying direction of the steel pipe to be corrected, the stiffness coefficient of the jacking spring on the floating bearing mounting seat is larger and larger.
Further, the inner die hole of the correcting die tube is a conical hole, the small ends of all the conical holes face the penetrating end of the steel tube to be corrected, and the conical holes are smaller and smaller along the conveying direction of the steel tube to be corrected.
The invention has the beneficial effects that: the invention utilizes a pair of guide wheels to introduce a pipeline to be corrected into a cylindrical bin, a steel pipe to be corrected sequentially passes through a second bearing, a plurality of correction die pipes, the second bearing and the guide wheel at the other end, the floatability of the correction bearing for installing the correction die pipes on the axis of the cylindrical bin is weaker and weaker under the limiting action of a plurality of floating bearing installation seats controlled by a jacking spring with gradually increased stiffness coefficient when the steel pipe passes through the cylindrical bin in the movement process of the steel pipe, the invention mainly aims to adapt to the fact that the bending degree of the steel pipe is larger when the steel pipe just enters the cylindrical bin, the extrusion to the correction die pipes is larger when the steel pipe moves, and therefore, a smaller stiffness coefficient is needed, the correction die pipes at the position have larger fleeability, the pipeline is prevented from being damaged by excessive rigid extrusion, the pipeline is gradually straightened along with the forward propulsion of the pipeline, and the coefficient of the jacking spring for subsequently controlling the fleeing of the correction, the steel pipe straightening machine aims to further straighten the steel pipe step by step, finally sends the steel pipe out of the straightening machine after being guided by the guide wheel at the other end and finally straightened and rechecked, thereby obtaining better steel pipe straightening effect, preventing the steel pipe from being damaged when one-time rigid straightening force is applied, and having more excellent comprehensive effect compared with stretching type straightening and other straightening modes.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Element number description: the device comprises a support 1, a cylindrical bin 2, a first bearing 3, a second bearing 4, a bearing seat 5, a mounting rod 6, a sliding rod 7, a correcting bearing 8, a jacking spring 9, a correcting die tube 10, a driven gear 11 and a guide wheel 12.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in figure 1, the steel pipe straightener comprises an inverted n-shaped support 1, first bearings 3 are embedded in two side plates at an opening of the support 1, and the two first bearings 3 are coaxially arranged.
The correcting device comprises a cylindrical hollow cylindrical bin 2, a cylindrical bearing seat 5 is coaxially arranged at two ends of the cylindrical bin 2, a second bearing 4 for a steel pipe to be corrected to freely pass through is arranged in the bearing seat 5, and the two second bearings 4 are coaxially arranged with the cylindrical bin 2; a plurality of floating bearing installation seats are arranged on a plurality of uniformly spaced cross sections in the cylindrical bin 2, each floating bearing installation seat on each cross section comprises a plurality of floating top frames which are in a circular array by taking a point on the axis of the cylindrical bin 2 as a center, each floating top frame comprises an installation rod 6, a jacking spring 9 and a sliding rod 7, one end of each installation rod 6 is fixed on the inner wall of the cylindrical bin 2, one end of each sliding rod 7 can slidably extend into a blind hole at the other end of the installation rod 6 along the length direction of the installation rod 6 and is connected with the bottom of the blind hole through the jacking spring 9, the other end of each sliding rod 7 is provided with a circular arc-shaped installation groove, the axis of the installation groove is coaxial with the cylindrical bin 2, the outer rings of the correcting bearings 8 are respectively and correspondingly embedded into the corresponding installation grooves, so that all the sliding rods 7 on each floating bearing installation seat jointly determine the, the inner ring of the correction bearing 8 is coaxially embedded with a correction mould pipe 10, and the correction mould pipe 10 can be used for a steel pipe to be corrected to pass through and gradually correct the steel pipe.
The cylindrical bin 2 is horizontally arranged in an opening of the support 1, the bearing seats 5 at two ends of the cylindrical bin are respectively arranged in the first bearing 3, one bearing seat 5 extends out of a side plate of the support 1 towards the outside of the opening of the support 1, and the extending end of the bearing seat is provided with a driven gear 11 which drives the whole cylindrical bin 2 to rotate. Along the conveying direction of the steel pipe to be straightened, the stiffness coefficient of the jacking spring 9 on the floating bearing mounting seat is larger and larger.
Further, the inner die hole of the correcting die pipe 10 is a conical hole, the small ends of all the conical holes face the penetrating end of the steel pipe to be corrected, and the conical holes are smaller and smaller along the conveying direction of the steel pipe to be corrected, so that the pipeline is further guided to convey quickly and smoothly, the straightening is better and gradually, and the correcting efficiency and the correcting quality are improved.
The steel pipe straightening machine utilizes a pair of guide wheels 12 to introduce a pipeline to be straightened into a cylindrical bin 2, the steel pipe to be straightened sequentially passes through a second bearing 4, a plurality of straightening die pipes 10, the second bearing 4 and the guide wheel 12 at the other end, when the steel pipe passes through the cylindrical bin 2 in the moving process, the floatability of a straightening bearing 8 for installing the straightening die pipes 10 on the axis of the cylindrical bin 2 is weaker and weaker under the limiting action of a plurality of floating bearing installation seats controlled by a jacking spring 9 with the stiffness coefficient increasing progressively, which is mainly used for adapting to the fact that the bending degree of the steel pipe is larger when the steel pipe just enters the cylindrical bin 2, the extrusion on the straightening die pipes 10 is larger when the steel pipe moves, therefore, a smaller stiffness coefficient is needed, the straightening die pipes 10 at the position have larger movability, the pipeline is prevented from being straightened by excessive rigid extrusion, and the pipeline is gradually straightened along with the forward propulsion of the pipeline, therefore, the stiffness coefficient of the jacking spring 9 for controlling the movement of the straightening die pipe 10 is increased, the aim is to further straighten the steel pipe step by step, and finally the steel pipe is sent out of the straightening machine after being guided by the guide wheel 12 at the other end and finally straightened and rechecked, so that a better steel pipe straightening effect is obtained, the steel pipe is prevented from being damaged when one-time rigid straightening force is applied, and the straightening machine has a more excellent comprehensive effect compared with stretching type straightening and other straightening modes.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (2)
1. A steel pipe straightener is characterized in that: the bearing comprises an inverted n-shaped support, wherein first bearings are embedded in two side plates at an opening of the support, and the two first bearings are coaxially arranged;
the correcting component comprises a cylindrical hollow cylindrical bin, a cylindrical bearing seat is coaxially arranged at two ends of the cylindrical bin, a second bearing for a steel pipe to be corrected to freely pass through is arranged in the bearing seat, and the two second bearings and the cylindrical bin are coaxially arranged; the floating bearing installation seats are arranged on a plurality of uniformly spaced cross sections in the cylindrical bin, each floating bearing installation seat on each cross section comprises a plurality of floating top frames which are in a circular array by taking a point on the axis of the cylindrical bin as a center, each floating top frame comprises an installation rod, a jacking spring and a sliding rod, one end of each installation rod is fixed on the inner wall of the cylindrical bin, one end of each sliding rod can slidably extend into a blind hole at the other end of the installation rod along the length direction of the installation rod and is connected with the bottom of the blind hole through the jacking spring, the other end of each sliding rod is provided with a circular arc-shaped installation groove, the axis of each installation groove is coaxial with the cylindrical bin, the outer rings of the correction bearings are respectively and correspondingly embedded into the corresponding installation grooves, so that all the sliding rods on each bearing installation seat jointly determine the position of a corresponding correction floating bearing, and correction die tubes are coaxially, the straightening die pipe can be used for the steel pipe to be straightened to pass through and gradually straighten the steel pipe;
the cylindrical bin is horizontally arranged in the support opening, the bearing blocks at two ends of the cylindrical bin are respectively arranged in the first bearings, one of the bearing blocks extends out of the side plate of the support towards the outside of the support opening, and the extending end of the bearing block is provided with a driven gear which drives the whole cylindrical bin to rotate;
and along the conveying direction of the steel pipe to be corrected, the stiffness coefficient of the jacking spring on the floating bearing mounting seat is larger and larger.
2. The steel pipe straightener recited in claim 1, wherein: the inner die holes of the correcting die pipe are conical holes, the small ends of all the conical holes face the penetrating ends of the steel pipes to be corrected, and the conical holes are smaller and smaller along the conveying direction of the steel pipes to be corrected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608506.9A CN108817139B (en) | 2018-06-13 | 2018-06-13 | Steel pipe straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608506.9A CN108817139B (en) | 2018-06-13 | 2018-06-13 | Steel pipe straightening machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108817139A CN108817139A (en) | 2018-11-16 |
| CN108817139B true CN108817139B (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810608506.9A Active CN108817139B (en) | 2018-06-13 | 2018-06-13 | Steel pipe straightening machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848252A (en) * | 2018-12-20 | 2019-06-07 | 芜湖恒美电热器具有限公司 | Steel band is rolled into steel pipe means for correcting |
| CN110814215B (en) * | 2019-10-23 | 2022-05-03 | 佛山市南海区南尚电工材料有限公司 | Floating straightening method and processing technology of enameled cable |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3222906A (en) * | 1962-04-13 | 1965-12-14 | Iii Bernard J Aurin | Tube processing apparatus |
| JPS60170545A (en) * | 1984-02-10 | 1985-09-04 | Shinko Kosen Kogyo Kk | Method and device for straightening wire rod |
| DE3910221A1 (en) * | 1989-03-30 | 1990-10-04 | Peddinghaus Carl Ullrich Dr | STRAIGHT MACHINE FOR WIRE, ESPECIALLY FOR CONCRETE STEEL WIRE |
| CN202516977U (en) * | 2012-04-09 | 2012-11-07 | 天津大桥金属焊丝有限公司 | Straightening device for shearing machine |
| CN204035413U (en) * | 2014-06-18 | 2014-12-24 | 重庆松普电器有限公司 | Wire rod alignment structure |
| CN204220855U (en) * | 2014-11-03 | 2015-03-25 | 长葛市神光建筑机械厂 | The straightening parts of waste steel bar |
| CN204220859U (en) * | 2014-11-06 | 2015-03-25 | 长葛市神光建筑机械厂 | A kind of bar straightener of multistage straightening |
| CN204220858U (en) * | 2014-11-06 | 2015-03-25 | 长葛市神光建筑机械厂 | A kind of flexible straightening module |
| CN204308103U (en) * | 2014-12-02 | 2015-05-06 | 许昌玖耐机械有限公司 | Aperture gradual change type waste steel bar straightening module |
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| CN108817139A (en) | 2018-11-16 |
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Effective date of registration: 20200316 Address after: 325000 Jinxing Garden, Lucheng District, Wenzhou City, Zhejiang Province, 2 501 Applicant after: Cai Yating Address before: 301724 Tianjin Wuqing District Huang Zhuang Street Applicant before: Wang Huayin |
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Effective date of registration: 20201102 Address after: Group 9, Xuean community neighborhood committee, Dongchen Town, Rugao City, Nantong City, Jiangsu Province, 226500 Patentee after: Jiangsu Chengyu Industrial Technology Co.,Ltd. Address before: 325000 Jinxing Garden, Lucheng District, Wenzhou City, Zhejiang Province, 2 501 Patentee before: Cai Yating |