CN202192128U - Pressing-down overload protection device for straightener - Google Patents
Pressing-down overload protection device for straightener Download PDFInfo
- Publication number
- CN202192128U CN202192128U CN2011202653930U CN201120265393U CN202192128U CN 202192128 U CN202192128 U CN 202192128U CN 2011202653930 U CN2011202653930 U CN 2011202653930U CN 201120265393 U CN201120265393 U CN 201120265393U CN 202192128 U CN202192128 U CN 202192128U
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- China
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- nut
- hub
- barrel
- shaped frame
- straightening force
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- Withdrawn - After Issue
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Abstract
The utility model discloses a pressing-down overload protection device for a straightener and solves the problem that the straightening force of a conventional straightener can not be conveniently adjusted. The pressing-down overload protection device comprises an overturned-barrel-shaped frame (3) which is in sleeve connection with a rotary hub (2). A through hole and a straightening force bearing (7) are arranged on the center of the top plate of the overturned-barrel-shaped frame (3). One end of an adjusting leading screw (12) arranged in the rotary hub (2) sequentially passes through the straightening force bearing (7), and a balancing bearing assembly (10) and a circular nut (9) arranged on the center of the top surface of the top plate of the overturned-barrel-shaped frame (3) and connects with a handwheel (8). A copper nut (4) is arranged no the adjusting leading screw (12) in the rotary hub (2), and a straightening force adjusting pad (15) is arranged on the top surface of the copper nut (4). A bellevill spring (17) is arranged between the bottom of the copper nut (4) and the bottom of the inner cavity of the rotary hub (2), and the bottom of the rotary hub (2) is in press connection with a straightening roller device (1). The pressing-down overload protection device is simple in structure, easy for installation, and flexible in adjusting.
Description
Technical field
The present invention relates to the protective device of a kind of metallurgy industry bar and seamless steel pipe production, particularly relate to a kind of straightener that is used for minor diameter bar and seamless steel tube production and depress overload protection arrangement.
Background technology
Bar and seamless steel pipe are being rolled, in the production process that cooling etc. is various, are often being occured bending and deformation because of reasons such as motive power and variations in temperature.Thereby in its production process, all need straightener that it is aligned.In the aligning process,, and to damage equipment such as smoothing roll and rectified workpiece because workpiece outside diameter tolerance straightening force excessive or that degree of crook too seriously causes is excessive in order preventing, straightener all is furnished with the overload protection arrangement of depressing.The existing overload protection arrangement of depressing often uses hydraulic pressure to depress overload protection arrangement.But hydraulic pressure is depressed bar and the seamless steel pipe of overload protection arrangement for minor diameter, because the straightener unit is little, uses hydraulic protecting, and unit is difficult to assembling, and difficult in maintenance, manufacture difficulty is big.The protection of the use butterfly spring that also has, but exist unit after installing, can not adjust the problem of the maximum straightening force that unit bears flexibly.
Summary of the invention
The invention provides a kind of straightener and depress overload protection arrangement, solved the problem that existing straightener can not be adjusted straightening force flexibly.
The present invention overcomes the above problems through following scheme:
A kind of straightener is depressed overload protection arrangement; Comprise the barrel-shaped frame of back-off, in the barrel-shaped frame of back-off, be socketed with the commentaries on classics hub, be provided with through the hole in the top board central authorities of the barrel-shaped frame of back-off; Be provided with the straightening force bearing at this in through the hole; Be arranged on that an end that changes the adjustment leading screw in the hub passes the straightening force bearing successively, the equalizer bearing assembly that is arranged on the top board end face central authorities of the barrel-shaped frame of back-off is connected with handwheel with round nut, the adjustment leading screw that is arranged in the commentaries on classics hub is provided with copper nut, and the end face of copper nut is provided with the straightening force adjusting pad; Pressing plate is crimped on the straightening force adjusting pad through screw to be changeed on the hub; Between adjustment leading screw and pressing plate, be provided with a nut that disappears, between the bottom surface of copper nut and the inner chamber bottom surface of changeing hub, be provided with the butterfly spring, the bottom surface of commentaries on classics hub is crimped on straightening roller device.
The end face of the barrel-shaped frame of described back-off is provided with dust cover, and a described nut that disappears is to be fixed together through adjustment screw and copper nut, fills up between disappearing being provided with screw thread between the end face of a nut and copper nut that disappears.
The present invention is simple in structure, installs easily, and is easy to maintenance, practices thrift manufacturing cost and adjusts flexibly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
A kind of straightener is depressed overload protection arrangement; Comprise the barrel-shaped frame 3 of back-off; In the barrel-shaped frame 3 of back-off, being socketed with changes hub 2; Top board central authorities in the barrel-shaped frame 3 of back-off are provided with through the hole, are provided with straightening force bearing 7 at this in through the hole, are arranged on that an end that changes the adjustment leading screw 12 in the hub 2 passes straightening force bearing 7 successively, the equalizer bearing assembly 10 that is arranged on the top board end face central authorities of the barrel-shaped frame 3 of back-off is connected with handwheel 8 with round nut 9; Be arranged on the adjustment leading screw 12 that changes in the hub 2 and be provided with copper nut 4; The end face of copper nut 4 is provided with straightening force adjusting pad 15, and pressing plate 6 is crimped on straightening force adjusting pad 15 through screw 5 to be changeed on the hub 2, between adjustment leading screw 12 and pressing plate 6, is provided with the nut 14 that disappears; In the bottom surface of copper nut 4 and change between the inner chamber bottom surface of hub 2 and be provided with butterfly spring 17, the bottom surface of changeing hub 2 is crimped on straightening roller device 1.
The end face of the barrel-shaped frame 3 of described back-off is provided with dust cover 11, and the described nut 14 that disappears is to be fixed together with copper nut 4 through adjustment screw 13, fills up 16 between disappearing being provided with screw thread between the end face of a nut 14 and copper nut 4 that disappears.
Changeing hub 2 is placed in the barrel-shaped frame 3 of back-off; And changeing hub 2 can slide in the barrel-shaped frame 3 of back-off freely; Pressing plate 6 is pressed in butterfly spring 17, copper nut 4 and straightening force adjusting pad 15 successively in order to be changeed in the hub 2, and pressing plate 6 usefulness screws 5 are fixed on to be changeed on the hub 2, and the pad 16 and a nut 14 usefulness adjustment screw 13 that disappears were installed on the copper nut 4 between screw thread disappeared; The thickness of pad 16 was adjusted the screw thread pair gap between the adjustment screw thread disappeared; Make the unit adjustment accurately, adjustment leading screw 12 is installed on the barrel-shaped frame 3 of back-off through straightening force bearing 7, equalizer bearing assembly 10 and round nut 9, and the end of thread and the nut 14 that disappears, the copper nut 4 of adjustment leading screw 12 couple together; Handwheel 8 is installed in the afterbody of adjustment leading screw 12, drives adjustment leading screw 12 and carries out the adjustment of drafts.When the aligning workpiece; Straightening roller device receives straightening force, through changeing hub 2, butterfly spring 17, copper nut 4, adjustment leading screw 12 and straightening force bearing 7 straightening force passed on the frame successively, and when straightening force during greater than the prestressing force of butterfly spring 17; Butterfly spring 17 is compressed; Change hub 2 and bounce back together with straightening roller device, play the effect of protection workpiece, the thickness that also can adjust straightening force adjusting pad 15 is adjusted the prestressing force of butterfly spring 17; Thereby the maximum straightening force that the adjustment unit can bear, the effect of playing the protection unit and being aligned workpiece.
The overload protection arrangement of depressing of the present invention is when rectifying the workpiece that the workpiece outside diameter tolerance is excessive or degree of crook is serious; Surpass setting like straightening force; The butterfly spring of screwdown gear is compressed, and changes hub and straightening roller device and withdraws with screwdown gear, and the quilt that plays protection is rectified the effect of workpiece.Also can adjust the maximum straightening force that unit can bear, play protective effect unit according to theory and practice.In unit manufacturing and when assembling and since had screw thread disappear between pad, reduced greatly and made and the difficulty of assembling, make device fabrication simple, easy for installation.
Claims (2)
1. a straightener is depressed overload protection arrangement; Comprise the barrel-shaped frame of back-off (3); In the barrel-shaped frame of back-off (3), being socketed with changes hub (2); It is characterized in that; Top board central authorities in the barrel-shaped frame of back-off (3) are provided with through the hole, are provided with straightening force bearing (7) at this in through the hole, are arranged on that an end that changes the adjustment leading screw (12) in the hub (2) passes straightening force bearing (7) successively, the equalizer bearing assembly (10) that is arranged on the top board end face central authorities of the barrel-shaped frame of back-off (3) is connected with handwheel (8) with round nut (9); Be arranged on the adjustment leading screw (12) that changes in the hub (2) and be provided with copper nut (4); The end face of copper nut (4) is provided with straightening force adjusting pad (15), and pressing plate (6) is crimped on straightening force adjusting pad (15) through screw (5) to be changeed on the hub (2), between adjustment leading screw (12) and pressing plate (6), is provided with the nut (14) that disappears; In the bottom surface of copper nut (4) and change between the inner chamber bottom surface of hub (2) and be provided with butterfly spring (17), the bottom surface of changeing hub (2) is crimped on straightening roller device (1).
2. straightener according to claim 1 is depressed overload protection arrangement; It is characterized in that; The end face of the barrel-shaped frame of described back-off (3) is provided with dust cover (11); The described nut (14) that disappears is to be fixed together with copper nut (4) through adjustment screw (13), fills up (16) between disappearing being provided with screw thread between the end face of a nut (14) and copper nut (4) that disappears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202653930U CN202192128U (en) | 2011-07-26 | 2011-07-26 | Pressing-down overload protection device for straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202653930U CN202192128U (en) | 2011-07-26 | 2011-07-26 | Pressing-down overload protection device for straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202192128U true CN202192128U (en) | 2012-04-18 |
Family
ID=45947059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202653930U Withdrawn - After Issue CN202192128U (en) | 2011-07-26 | 2011-07-26 | Pressing-down overload protection device for straightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202192128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102327931A (en) * | 2011-07-26 | 2012-01-25 | 太原通泽重工有限公司 | Pressurized overload protection device of straightening machine |
| CN111496017A (en) * | 2020-06-19 | 2020-08-07 | 重庆利德工业制造有限公司 | Leveling tool and leveling method thereof |
-
2011
- 2011-07-26 CN CN2011202653930U patent/CN202192128U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102327931A (en) * | 2011-07-26 | 2012-01-25 | 太原通泽重工有限公司 | Pressurized overload protection device of straightening machine |
| CN111496017A (en) * | 2020-06-19 | 2020-08-07 | 重庆利德工业制造有限公司 | Leveling tool and leveling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120418 Effective date of abandoning: 20130605 |
|
| RGAV | Abandon patent right to avoid regrant |