CN210172245U - Upper and lower adjusting device for flat roll of pipe welding unit - Google Patents
Upper and lower adjusting device for flat roll of pipe welding unit Download PDFInfo
- Publication number
- CN210172245U CN210172245U CN201920969417.7U CN201920969417U CN210172245U CN 210172245 U CN210172245 U CN 210172245U CN 201920969417 U CN201920969417 U CN 201920969417U CN 210172245 U CN210172245 U CN 210172245U
- Authority
- CN
- China
- Prior art keywords
- roll
- roller
- worm
- portal frame
- die
- 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.)
- Active
Links
Images
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model relates to an adjusting device about welded tube unit plain-barreled roll, on, the mid-mounting of bottom roll has the upper and lower mould of pairing each other, both ends support respectively about top roll and bottom roll at last, in the bottom roll chock, bottom roll chock is fixed mounting respectively in the bottom of roll portal frame, the top roll chock is located the upper portion of roll portal frame respectively, the top roll chock can follow the guide slot of roll portal frame respectively and slide from top to bottom, the top center of roll portal frame is fixed with the worm gear case respectively, be equipped with intermeshing's worm wheel and worm in the worm gear case respectively, it has adjusting screw to connect soon respectively in the central screw of worm wheel, two adjusting screw's lower extreme is articulated mutually with the top of top roll chock respectively, through worm spline housing interconnect between two worms, the adjusting hand wheel is installed to the free end of one of them worm. The device can guarantee that the left end and the right end of the upper roller synchronously lift in parallel, the upper roller cannot be inclined, the adjusting efficiency is improved, and the correcting time is shortened.
Description
Technical Field
The utility model relates to a welded tube unit, in particular to adjusting device about welded tube unit plain-barreled roll belongs to welded tube and makes auxiliary assembly technical field.
Background
The straight seam high-frequency welded steel pipe is formed by welding steel strips in a curling mode, the width of each steel strip is equal to the circumference of the steel pipe, the steel strips are placed on an uncoiler to be uncoiled and uncoiled, then the steel strips are coiled into a circular shape in a cold rolling mode, the pipe seams are welded through high-frequency induction heating to obtain welded steel pipes, the welded steel pipes are shaped and sized through sizing rollers and then rolled into circular pipes of various specifications, and the welded steel pipes can be cut into required lengths according to requirements. The special pipe can be realized by exchanging various rollers with different specifications.
In the process of cold rolling and coiling the steel strip into a circular shape, the steel strip needs to be rolled by a plurality of flat roll devices and vertical roll devices alternately. The flat roll device comprises an upper roll and a lower roll which are respectively driven by a transmission shaft, the axes of the upper roll and the lower roll are horizontal and parallel to each other, the middle parts of the upper roll and the lower roll are provided with an upper die and a lower die which are matched with each other, the left end and the right end of the upper roll and the lower roll are respectively supported in an upper roll bearing seat and a lower roll bearing seat, the lower roll bearing seats at the two ends of the lower roll are respectively and fixedly arranged at the bottom of the roll portal frame, the upper roll bearing seats at the two ends of the upper roll are respectively positioned at the upper part of the roll portal frame, and when a steel pipe passes through a.
When processing the steel pipe of different diameters, need to change the mould and the lower mould of different specifications. After the die is replaced, the distance between the upper roller and the lower roller needs to be adjusted, and the lower roller is fixed at the bottom of the roller portal frame and is kept still, so that the height of the upper roller is adjusted. The traditional method is that the heights of bearing blocks at two ends of an upper roller are respectively adjusted, and then the levels of the two ends of the upper roller are corrected, so that the experience dependence on operators is relatively large, and the parallelism difference between the upper roller and a lower roller is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide a pipe welding unit plain-barreled roll is adjusting device from top to bottom, can guarantee the synchronous parallel lift in both ends about the top roll, can not appear crooked, improve adjustment efficiency, reduce the time of rectifying.
In order to solve the technical problems, the utility model discloses a flat roll up-and-down adjusting device of a welded pipe unit, which comprises an upper roll and a lower roll with horizontal axes and parallel to each other, wherein the middle parts of the upper roll and the lower roll are provided with an upper die and a lower die which are matched with each other, the left end and the right end of the upper roll and the lower roll are respectively supported in an upper roll bearing seat and a lower roll bearing seat, the lower roll bearing seats at the two ends of the lower roll are respectively and fixedly arranged at the bottom of a roll portal frame, the upper roll bearing seats at the two ends of the upper roll are respectively arranged at the upper part of the roll portal frame, the upper roll bearing seats can respectively slide up and down along a guide groove of the roll portal frame, the top center of the roll portal frame is respectively and fixedly provided with a worm gear box, the worm gear box is respectively provided with a worm which is engaged with each other, the central screw holes of the, the two worms are positioned on the same axis and are mutually connected through the worm spline sleeve, and the free end of one worm is provided with an adjusting hand wheel.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained: the worm spline sleeve ensures that the two worms synchronously rotate, the adjusting hand wheel is rotated, the adjusting hand wheel drives the two worms to synchronously rotate, the two worms respectively drive the two worm wheels to synchronously rotate, and the central screw holes of the two worm wheels respectively drive the two adjusting screw rods to ascend and descend by the same height, so that the same height for ascending and descending at the two ends of the upper roller is realized, the axis of the upper roller is always kept in a horizontal state when the height is adjusted, the phenomenon that the two ends of the upper roller are respectively adjusted in height to cause inclination is avoided, and the adjusting and correcting time of the upper roller is greatly shortened.
As an improvement of the utility model, the left sides of the upper and lower dies are respectively abutted against positioning nuts which are respectively screwed on the left sides of the upper and lower roller die mounting sections; the right sides of the upper die and the lower die are respectively abutted against the left end turnup of the positioning sleeve, an upper roller bearing and a lower roller bearing of the right roller portal frame are respectively sleeved on the periphery of the corresponding positioning sleeve, the right ends of the upper roller and the lower roller are respectively screwed with a locking nut, and the left end face of the locking nut is respectively abutted against the right end of the corresponding positioning sleeve. The mould realizes radial positioning on the roller by a flat key, and the two ends of the mould realize axial positioning by a positioning nut and a positioning sleeve. When the mold is changed, the mold is withdrawn to the right side, so that the left side of the mold is positioned by adopting the positioning nut, the adjustment is convenient, and the threads cannot be scratched by the mold during the mold change. Because the bearing on the right side needs to be frequently dismantled, the damage that causes roll bearing installation section easily makes the cooperation precision descend, adorns the bearing on the right side on the position sleeve, greatly reduced the processing degree of difficulty and the heat treatment requirement of roll, the position sleeve damages or needs to change length, and processing is easy, and the replacement cost is very low, and the right-hand member of position sleeve relies on lock nut to fix a position. The diameter of the thread at the right end of the roller is far smaller than the diameters of the inner holes of the positioning sleeve and the die, so that the thread is not easy to damage during disassembly.
As a further improvement, a graduated scale for indicating the height of the upper roll bearing seat is arranged on the left end surface or the right end surface of the roll portal frame. Because the two ends of the upper roller can be lifted in parallel, the height of the upper roller can be known only by observing the graduated scale at one end.
As a further improvement, the bottom of two roller portal frames is fixed on the common base of roller portal frames, the left side of the common base of roller portal frames is equipped with the location backer, the location backer is fixed in the frame. The method is characterized in that moulds with different specifications are respectively arranged on an upper roller and a lower roller which are matched, then the bottoms of two roller portal frames are fixed on a common base of the roller portal frames, the moulds are not detached from the upper roller and the lower roller, and are integrally replaced, so that the mould changing speed is improved. The arrangement of the positioning backer facilitates quick positioning and installation of the common base of the roller portal frame, and further improves the efficiency of die change.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.
Fig. 1 is a front view of a first embodiment of the flat roll up-down adjusting device of the pipe welding unit of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a top view of fig. 1 with the worm gear box removed.
Fig. 4 is a front view of a second embodiment of the flat roll up-down adjusting device of the tube welding unit of the present invention.
In the figure: 1. a roller portal frame; 1a, a lower roller; 1a1. lower roll spline taper head; 1a2. a lower roll chock; 1a3. lower die; 1b, upper rolling; 1b1, mounting a spline conical head of the roller; 1b2. upper roll chock; 1b3. upper mould; 1c, a common base of the roller portal frame; 1d, positioning a backer; 2. a worm gear box; 2a, a worm gear; 2b, adjusting a screw rod; 2c, a worm; 2d, a worm spline sleeve; 2e, adjusting a hand wheel; 2f, screw rod sheath; 3. positioning a nut; 4. a positioning sleeve; 5. locking the nut; 6. a graduated scale.
Detailed Description
As shown in fig. 1 to 3, the utility model discloses adjusting device about welded tube unit plain-barreled roll includes top roll 1b and bottom roll 1a, top roll 1b and bottom roll 1 a's axis level and be parallel to each other, top roll 1 b's mid-mounting has last mould 1b3, bottom roll 1 a's mid-mounting matches lower mould 1a3 with last mould 1b3, top roll 1b supports in top roll chock 1b2 at both ends about, bottom roll 1a supports in bottom roll chock 1a2 at both ends about, bottom roll chock 1a2 at bottom roll 1a both ends is fixed mounting respectively in the bottom of roll portal frame 1, top roll chock 1b2 at top roll 1b both ends is located the upper portion of roll portal frame 1 respectively. The drive end of the lower roll 1a is fitted with a lower roll spline taper 1a1 and the drive end of the upper roll 1b is fitted with an upper roll spline taper 1b1.
The upper roll bearing blocks 1b2 can respectively slide up and down along the guide grooves of the roll portal frame 1, the top center of the roll portal frame 1 is respectively fixed with a worm and gear box 2, the worm and gear box 2 is respectively provided with a worm wheel 2a and a worm 2c which are meshed with each other, the central screw hole of the worm wheel 2a is respectively screwed with an adjusting screw 2b, the lower ends of the two adjusting screw 2b are respectively hinged with the top of the upper roll bearing block 1b2, the two worms 2c are positioned on the same axis and are mutually connected through a worm spline sleeve 2d, and the free end of one worm 2c is provided with an adjusting hand wheel 2e.
The worm spline sleeve 2d ensures that the two worms 2c rotate synchronously, when the height of the upper roller 1b needs to be adjusted after die change, the adjusting hand wheel 2e is rotated, the adjusting hand wheel 2e drives the two worms 2c to rotate synchronously, the two worms 2c respectively drive the two worm wheels 2a to rotate synchronously, and the central screw holes of the two worm wheels 2a respectively drive the two adjusting screw rods 2b to ascend and descend by the same height, so that the two ends of the upper roller 1b ascend and descend by the same height, the upper roller 1b is ensured to be always kept in a horizontal state when the height is adjusted, the phenomenon that the two ends of the upper roller 1b are respectively adjusted in height to cause inclination is avoided, and the adjusting and correcting time of the upper roller 1b is greatly. The top of the worm gear box 2 is provided with a screw rod sheath 2f for accommodating the adjusting screw rod 2b, so that dust pollution is prevented.
And a graduated scale 6 for indicating the height of the upper roller bearing seat 1b2 is arranged on the left end surface or the right end surface of the roller portal frame 1. Because the two ends of the upper roller 1b can be lifted in parallel, the height of the upper roller 1b can be known only by observing the graduated scale 6 at one end.
As shown in fig. 4, the left sides of the upper die 1b3 and the lower die 1a3 respectively abut against the positioning nuts 3, and the positioning nuts 3 are respectively screwed on the left sides of the upper and lower roller die mounting sections; the right sides of the upper die 1b3 and the lower die 1a3 respectively abut against the left end turned edges of the positioning sleeves 4, the upper roller bearing and the lower roller bearing of the right roller portal frame 1 are respectively sleeved on the peripheries of the corresponding positioning sleeves 4, the right ends of the upper roller 1b and the lower roller 1a are respectively screwed with locking nuts 5, and the left end faces of the locking nuts 5 respectively abut against the right ends of the corresponding positioning sleeves 4.
The mould realizes radial positioning on the roller by a flat key, and the two ends of the mould realize axial positioning by a positioning nut 3 and a positioning sleeve 4. During die change, the die is withdrawn to the right side, so that the left side of the die is positioned by the positioning nut 3, the adjustment is convenient, and threads cannot be scratched by the die during die change. Because the bearing on right side needs often to be dismantled, causes the damage of roll bearing installation section easily and makes the cooperation precision descend, adorns right side bearing on position sleeve 4, greatly reduced the processing degree of difficulty and the heat treatment requirement of roll, position sleeve 4 damages or needs to change length, and processing is easy, and the replacement cost is very low, and the right-hand member of position sleeve 4 relies on lock nut 5 to fix a position. The diameter of the screw thread at the right end of the roller is far smaller than the diameters of the inner holes of the positioning sleeve 4 and the die, so that the screw thread is not easy to damage during disassembly.
The bottoms of the two roller portal frames 1 are fixed on a common base 1c of the roller portal frames. The method comprises the steps of respectively installing moulds with different specifications on an upper roller 1b and a lower roller 1a which are matched, fixing the bottoms of two roller portal frames 1 on a common base 1c of the roller portal frames, and replacing the moulds integrally without detaching the moulds from the upper roller 1b and the lower roller 1a. And (3) during die change, removing the fixing screws of the common base 1c of the roller portal frame and the frame.
And a positioning backer 1d is arranged on the left side of the common base 1c of the roller portal frame, and the positioning backer 1d is fixed on the rack. The arrangement of the positioning backer 1d facilitates quick positioning and installation of the common base 1c of the roller portal frame, and further improves the efficiency of die replacement.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention. The undescribed technical features of the present invention can be realized by or using the prior art, and are not described herein again.
Claims (4)
1. The utility model provides a regulating device about welded tube unit plain-barreled roll, includes axis level and the last roll and the lower roll that are parallel to each other, the mid-mounting of upper and lower roll has upper and lower mould of mating each other, both ends support respectively in upper and lower roll chock about upper roll and the lower roll, the lower roll chock at lower roll both ends is fixed mounting respectively in the bottom of roll portal frame, the last roll chock at upper roll both ends is located respectively the upper portion of roll portal frame, its characterized in that: the upper roll bearing blocks can respectively slide up and down along the guide grooves of the roll portal frame, the top centers of the roll portal frames are respectively fixed with a worm and gear box, the worm and gear box is respectively provided with a worm gear and a worm which are meshed with each other, the central screw holes of the worm gear are respectively screwed with adjusting screw rods, the lower ends of the two adjusting screw rods are respectively hinged with the tops of the upper roll bearing blocks, the two worms are positioned on the same axis and are mutually connected through a worm spline sleeve, and the free end of one of the worms is provided with an adjusting hand wheel.
2. The flat roller up-down adjusting device of the pipe welding unit according to claim 1, characterized in that: the left sides of the upper die and the lower die are respectively abutted against positioning nuts, and the positioning nuts are respectively screwed on the left sides of the upper roller die mounting section and the lower roller die mounting section; the right sides of the upper die and the lower die are respectively abutted against the left end turnup of the positioning sleeve, an upper roller bearing and a lower roller bearing of the right roller portal frame are respectively sleeved on the periphery of the corresponding positioning sleeve, the right ends of the upper roller and the lower roller are respectively screwed with a locking nut, and the left end face of the locking nut is respectively abutted against the right end of the corresponding positioning sleeve.
3. The flat roller up-down adjusting device of the pipe welding unit according to claim 1, characterized in that: and a graduated scale for indicating the height of the upper roller bearing seat is arranged on the left end surface or the right end surface of the roller portal frame.
4. The flat roller up-down adjusting device of the welded pipe machine set according to claim 1, 2 or 3, characterized in that: the bottom of each of the two roller portal frames is fixed on the common base of the roller portal frames, and a positioning backer is arranged on the left side of the common base of the roller portal frames and fixed on the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920969417.7U CN210172245U (en) | 2019-06-26 | 2019-06-26 | Upper and lower adjusting device for flat roll of pipe welding unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920969417.7U CN210172245U (en) | 2019-06-26 | 2019-06-26 | Upper and lower adjusting device for flat roll of pipe welding unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210172245U true CN210172245U (en) | 2020-03-24 |
Family
ID=69838900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920969417.7U Active CN210172245U (en) | 2019-06-26 | 2019-06-26 | Upper and lower adjusting device for flat roll of pipe welding unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210172245U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546998A (en) * | 2021-08-20 | 2021-10-26 | 张家港市中悦冶金设备科技有限公司 | Roll adjustment type roller system and pipe rolling forming device with same |
| CN113546997A (en) * | 2021-08-20 | 2021-10-26 | 张家港市中悦冶金设备科技有限公司 | Roll extrusion precision forming system for distance-adjusting type pipe |
| CN113649432A (en) * | 2021-08-20 | 2021-11-16 | 张家港市中悦冶金设备科技有限公司 | Many specifications side pipe roll forming system |
| CN116921522A (en) * | 2023-09-15 | 2023-10-24 | 山东宏力异型钢管有限公司 | Special-shaped steel pipe forming and positioning structure |
-
2019
- 2019-06-26 CN CN201920969417.7U patent/CN210172245U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546998A (en) * | 2021-08-20 | 2021-10-26 | 张家港市中悦冶金设备科技有限公司 | Roll adjustment type roller system and pipe rolling forming device with same |
| CN113546997A (en) * | 2021-08-20 | 2021-10-26 | 张家港市中悦冶金设备科技有限公司 | Roll extrusion precision forming system for distance-adjusting type pipe |
| CN113649432A (en) * | 2021-08-20 | 2021-11-16 | 张家港市中悦冶金设备科技有限公司 | Many specifications side pipe roll forming system |
| CN116921522A (en) * | 2023-09-15 | 2023-10-24 | 山东宏力异型钢管有限公司 | Special-shaped steel pipe forming and positioning structure |
| CN116921522B (en) * | 2023-09-15 | 2023-12-12 | 山东宏力异型钢管有限公司 | Special-shaped steel pipe forming and positioning structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210172245U (en) | Upper and lower adjusting device for flat roll of pipe welding unit | |
| CN113547005B (en) | Positive and negative bending equipment of section bar of variable camber | |
| CN112170533A (en) | Universal automatic pipe making machine | |
| CN116571596A (en) | Steel structure straightening and straightening machining equipment and machining method | |
| CN211052236U (en) | Online arc bending device | |
| CN110038930B (en) | Steel belt rough forming process of ERW welded pipe | |
| CN216462546U (en) | Centering support device of laser pipe cutting machine | |
| CN113198870A (en) | Nonrust steel pipe forming device and production line thereof | |
| CN212168615U (en) | Shape-adjusting roller-free straight welded pipe forming machine | |
| CN213409867U (en) | Universal automatic pipe making machine | |
| CN210172216U (en) | Shaping device of welded pipe unit | |
| CN110252825B (en) | Production device of welded pipe unit | |
| CN210172246U (en) | Flat roll quick die changing device of welded pipe unit | |
| CN113695434B (en) | Steel pipe precision forming device | |
| CN216705571U (en) | Plate rolling machine | |
| CN113426834B (en) | Sizing mill for seamless steel pipe production | |
| CN212857202U (en) | Cold-drawing precise seamless steel tube straightening device | |
| CN212375326U (en) | Online annealing device of combined drawing machine | |
| CN221087089U (en) | Reinforcing steel bar straightening machine | |
| CN219309782U (en) | High-frequency welded pipe extrusion molding device | |
| CN215998076U (en) | Outer memorial archway of split type welded tube shaping | |
| CN211637790U (en) | Rectangular steel pipe production line shape righting equipment | |
| CN220879982U (en) | Steel plate straightening machine | |
| CN219169267U (en) | Vertical two-roller numerical control straightener | |
| CN213409929U (en) | Horizontal rolling device of universal automatic pipe making machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |