CN211437480U - Square tube shaping rolling device - Google Patents
Square tube shaping rolling device Download PDFInfo
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- CN211437480U CN211437480U CN201922484734.2U CN201922484734U CN211437480U CN 211437480 U CN211437480 U CN 211437480U CN 201922484734 U CN201922484734 U CN 201922484734U CN 211437480 U CN211437480 U CN 211437480U
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- square pipe
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Abstract
The utility model provides a square pipe plastic rolling device belongs to square pipe roll forming equipment technical field, set up first roll group and second roll on the base in turn including the axial of base and edge side pipe: the first roller group comprises four first rollers, and the roller surfaces of the four first rollers form a rectangular channel for the square pipe to pass through; the second roll group comprises four second rolls; the four second rollers are respectively used for four side edges of the corresponding square pipe; the roll surface of four second rolls all is equipped with and is used for holding the V-arrangement annular of square pipe, two lateral walls of V-arrangement annular are used for respectively laminating with two sides of the square pipe that holds. The utility model provides a square pipe plastic rolling device, first roll set and second roll set cooperation, the side and the side arris of roll square pipe in turn, very cross-section through the square pipe of plastic is close to the rectangle, has improved the shaping quality of square pipe.
Description
Technical Field
The utility model belongs to the technical field of the roll forming equipment is managed in side, more specifically says, relates to a square pipe plastic rolling device.
Background
At present, two processing modes are mainly adopted for producing the square tube, one mode is that a steel strip is cold-bent into a closed circular tube through a multi-pass forming frame, and after high-frequency welding, the steel strip is sized and shaped into the square tube; the other method is that the steel strip is directly cold-bent into a preformed square tube through a plurality of forming frames, and then the preformed square tube is extruded by a roller after high-frequency welding so as to shape the square tube. After the steel belt is pre-bent into the square pipe, four side edges of the square pipe are fillets with large radiuses, so that the square pipe is shaped by mainly reducing the radiuses of the fillets at the side edges of the square pipe, and the cross section of the square pipe is closer to a rectangle. In the prior art, the surface of a cylindrical roller is in contact with the surface of a square pipe, the roller uniformly applies force to the surface of the square pipe, the square pipe is rolled, adjacent surfaces in the four surfaces are perpendicular to each other, but the radius of a fillet at the position of four lateral edges is still large, and the forming quality of the square pipe is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a square pipe plastic rolling device aims at solving among the prior art four arris departments of side behind the square pipe shaping still for the great fillet of radius, influences the technical problem of shaping quality.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a square pipe plastic rolling device, include the base and along the axial of square pipe set up in turn in first roll set and second roll set on the base:
the first roller group comprises four first rollers, the roller surfaces of the four first rollers are all set to be cylindrical surfaces, and the roller surfaces of the four first rollers surround a rectangular channel for the square pipe to pass through;
the second roll set comprises four second rolls; the four second rollers are respectively used for corresponding to four lateral edges of the square pipe; four the roll surface of second roll all is equipped with and is used for holding the V-arrangement annular of square pipe, the both sides cell wall of V-arrangement annular is used for respectively with holding two side laminating of square pipe.
As another embodiment of the present application, an included angle between two side groove walls of the V-shaped ring groove is a right angle.
As another embodiment of the present application, an adjusting mechanism for adjusting the positions of the four second rolls is provided on the base.
As another embodiment of the present application, the adjustment mechanism includes:
the sliding rail is fixed on the base and is perpendicular to the roll shaft of the second roll;
the sliding plate is arranged in the sliding rail in a sliding mode and is in rotating connection with the second roller;
and the driving component is arranged on the base and used for driving the sliding plate to move along the sliding rail.
As another embodiment of the present application, the driving assembly includes:
the hydraulic cylinder is fixed on the base and arranged in parallel with the sliding rail, and a piston rod of the hydraulic cylinder is connected with the sliding plate;
and the hydraulic oil pump is connected with the hydraulic cylinder and used for controlling the extension and retraction of the piston rod.
As another embodiment of the present application, the driving assembly includes:
the screw rod is arranged in parallel with the sliding rail, and one end of the screw rod is rotationally connected with the sliding plate;
the worm gear pair is fixed on the base, matched with the screw rod and used for driving the screw rod to move along the axial direction;
and the driving motor is connected with the worm gear pair.
As another embodiment of the present application, a bearing is disposed on the sliding plate, and an outer ring of the bearing is fixedly connected to the sliding plate, and an inner ring of the bearing is fixedly connected to the screw.
As another embodiment of the present application, the worm-and-gear pair includes:
the worm wheel is sleeved on the screw rod, and the inner wall of the worm wheel is provided with an internal thread matched with the external thread of the outer wall of the screw rod.
As another embodiment of the present application, a fixing member for fixing the sliding plate is disposed on the sliding rail.
As another embodiment of this application, the mounting includes the fixed pin, set up a plurality of on the slide rail at interval with fixed pin complex pinhole.
The utility model provides a square tube shaping rolling device, the roll surfaces of four first rolls of a first roll group enclose into a rectangular channel for a square tube to pass through, the square tube passes through the rectangular channel, and the four rolls roll four sides of the square tube respectively to roll the four sides of the square tube to be smooth;
four second rolls of second roll set correspond four lateral edges of square pipe respectively, and the roll surface of second roll is equipped with the V-arrangement annular that is used for holding square pipe, and two adjacent sides of square pipe are laminated with two sides of V-arrangement annular respectively, and the fillet of four lateral edges of square pipe is extrudeed to the V-arrangement annular of second roll, reduces the size of fillet, makes the cross section of square pipe approach to the rectangle.
Compared with the prior art, the utility model discloses square pipe plastic rolling device, first roll set and the cooperation of second roll set, the side and the arris of roll square pipe in turn, the very cross-section of square pipe through the plastic is close to the rectangle, has improved the shaping quality of square pipe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a first roll set of a square tube shaping rolling device according to an embodiment of the present invention;
fig. 2 is a first schematic structural view of a second roll set of the square tube shaping rolling device according to the embodiment of the present invention;
fig. 3 is a second schematic structural view of a second roll set of the square tube shaping rolling device according to the embodiment of the present invention;
in the figure: 1. a base; 2. a first support frame; 3. a first roll; 4. a square tube; 5. a second roll; 51. a V-shaped ring groove; 6. a slide rail; 7. a sliding plate; 8. a screw; 9. a worm gear; 10. a worm; 11. a bearing; 12. a hydraulic cylinder; 13. a fixing pin; 14. a pin hole; 15. a second support frame.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, a square tube shaping rolling device according to the present invention will be described. The square tube shaping rolling device comprises a base 1, a first roller 3 group and a second roller 5 group, wherein the first roller 3 group and the second roller 5 group are alternately arranged on the base 1 along the axial direction of a square tube 4, and the square tube 4 axially penetrates through the first roller 3 group and the second roller 5 group during rolling shaping.
The first rollers 3 comprise four first rollers 3, the four first rollers 3 are all set to be cylindrical, the upper rollers and the lower rollers are horizontally arranged, the two side rollers are vertically arranged, the roller surfaces of the four first rollers 3 enclose a rectangular channel, the square tube 4 passes through the rectangular channel, the four first rollers 3 roll four sides of the square tube 4, and the four sides of the square tube 4 are rolled to be smooth.
The second roller 5 group comprises four second rollers 5, the four second rollers 5 are respectively arranged in an inclined manner, the four second rollers 5 are respectively corresponding to four side edges of the square pipe 4, a roller shaft of each second roller 5 is arranged at an angle of 45 degrees relative to the surface of the base 1, the roller shaft of each second roller 5 and two side surfaces of two sides of each side edge corresponding to the corresponding second roller 5 are respectively at an angle of 45 degrees, a roller surface of each second roller 5 is provided with a V-shaped ring groove 51, one side edge of the square pipe 4 and partial surfaces of two sides of the side edge are embedded into the V-shaped groove, and two side walls of each V-shaped ring groove 51 respectively correspond to two side surfaces of the square pipe 4 embedded into the V-shaped groove. The four second rollers 5 correspond to the four side edges of the square pipe 4 respectively, the four side edges of the square pipe 4 are embedded into the V-shaped ring grooves 51 of the four second rollers 5 respectively, the square pipe 4 is extruded under the combined action of the four second rollers 5, pressure is applied to the four side edges of the square pipe 4, the round corners of the four side edges are bent, and the size of the round corners is reduced.
The utility model provides a square pipe plastic rolling device compares with prior art, and 3 groups of first roll and 5 group cooperations of second roll, the side and the side edge of roll square pipe 4 in turn, and the very cross-section of square pipe 4 through the plastic approaches to the rectangle, has improved the shaping quality of square pipe 4.
The base 1 is provided with a first support frame 2 and a second support frame 15, the first support frame 2 and the second support frame 15 are perpendicular to the base 1, the first support frame 2 is used for supporting four first rollers 3, the second support frame 15 is used for supporting four second rollers 5, and square holes for the square pipes 4 to pass through are formed in the first support frame 2 and the second support frame 15.
As a specific implementation manner of the square tube shaping rolling device, please refer to fig. 2 and fig. 3, square tube 4 is after the rolling shaping of first roll 3 group, two side mutually perpendicular, and V-shaped circular groove 51 that the roll surface of second roll 5 set up is the right angle groove, and the base angle that V-shaped circular groove 51 was promptly is the right angle, and the right angle groove can guarantee that two sides are laminated in two sides of square tube 4 respectively. The right-angle grooves can also ensure that the side edges of the square pipe 4 passing through the second rollers 5 are close to a right angle, and the right-angle grooves of the four second rollers 5 form four corners of a rectangular channel for the square pipe 4 to pass through.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2 and fig. 3, an adjusting mechanism is disposed on the base 1, which can adjust the positions of the four second rollers 5, so that the second rollers 5 are suitable for the square pipes 4 with different sizes.
The adjusting mechanism comprises a slide rail 6, a slide and a driving assembly for driving the slide plate 7 to slide along the slide rail 6.
Slide rail 6 sets up perpendicularly with the roller of second roll 5, and is concrete, and slide rail 6 sets up to fixing the strip shaped plate on base 1, and one side of strip shaped plate sets up the spout, and a side of sliding plate 7 is equipped with the slider, and the slider inlays in the spout and can follow the spout and slide, and when sliding plate 7 slided along slide rail 6, the slider slided in the spout. The sliding plate 7 is rotatably connected with a roll shaft of the second roll 5, and the second roll 5 is sleeved on the roll shaft. The driving assembly is arranged on the base 1 and connected with the sliding plate 7, and is used for driving the sliding plate 7 to slide along the sliding rail 6, and further driving the second roller 5 to slide along the sliding rail 6.
In this embodiment, the sliding plate 7 is a portal frame, the second roller 5 is arranged inside the portal frame, the two sides of the portal frame are provided with slide rails 6, the two slide rails 6 are arranged in parallel, and the portal frame slides along the two slide rails 6. When the second roller 5 is stressed, the stressed part is transmitted to the sliding plate 7, and the sliding rail 6 firmly supports the sliding plate 7 of the door-shaped frame, so that the sliding plate 7 is prevented from slipping off from the sliding rail 6.
Referring to fig. 2, the driving assembly is a hydraulic cylinder 12, a cylinder body of the hydraulic cylinder 12 is welded and fixed on the base 1, the hydraulic cylinder 12 is arranged in parallel with the slide rail 6, an end of a piston rod of the hydraulic cylinder 12 is connected to the slide plate 7, the hydraulic cylinder 12 is connected to a hydraulic oil pump, and the hydraulic oil pump controls the piston rod of the hydraulic cylinder 12 to extend and retract, thereby controlling the slide rod to slide along the slide rail 6.
Referring to fig. 3, the driving assembly may further be configured to be a screw 8 and a worm gear 9 and a worm 10, the screw 8 is disposed in parallel with the sliding rail 6, one end of the screw 8 is rotatably connected to the sliding plate 7, specifically, a bearing 11 is mounted on the sliding plate 7, an outer ring of the bearing 11 is welded and fixed to the sliding plate 7, and an inner ring of the bearing 11 is sleeved on one end of the screw 8 and is welded and fixed to an end of the screw 8.
The worm wheel 9 of worm wheel 9 worm 10 pair is established on screw rod 8, and the inner wall of worm wheel 9 is equipped with the internal thread with the external screw thread assorted of screw rod 8, and the end connection of worm 10 is on driving motor's output shaft, and driving motor drives worm 10 and rotates, and worm 10 drives worm wheel 9 and rotates, and all set up the locating part around worm wheel 9's axial, restriction worm wheel 9 can only rotate around the axle, drives screw rod 8 along axial motion when worm wheel 9 rotates.
After the sliding plate 7 is moved to the second roller 5 to reach the working position along the sliding rail 6 by the driving component in the adjusting mechanism, the driving component stops working, the second roller 5 starts working, the stress is large when the second roller 5 works in a rolling mode, the driving component serves as a support piece of the second roller 5, the pressure borne by the second roller 5 is transmitted to the driving component, and the driving component can shorten the service life when bearing large pressure for a long time.
In order to reduce the stress of the driving assembly, as a specific implementation manner of the embodiment of the present invention, refer to fig. 2, the slide rail 6 is provided with a fixing member, after the second roller 5 reaches the working position, the fixing member is fixed on the slide rail 6, the fixing member plays a role of fixing the sliding plate 7, and when the second roller 5 is stressed, the stressed force is transmitted to the fixing member through the sliding plate 7.
The fixing piece comprises a fixing pin 13 and a plurality of pin holes 14 which are arranged on the slide rail 6 at intervals along the length direction, and the fixing pin 13 is inserted into the corresponding pin hole 14 at different working positions of the second roller 5.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Square pipe plastic rolling device, its characterized in that, including the base and along the axial of square pipe set up in turn in first roll set and second roll set on the base:
the first roller group comprises four first rollers, the roller surfaces of the four first rollers are all set to be cylindrical surfaces, and the roller surfaces of the four first rollers surround a rectangular channel for the square pipe to pass through;
the second roll set comprises four second rolls; the four second rollers are respectively used for corresponding to four lateral edges of the square pipe; four the roll surface of second roll all is equipped with and is used for holding the V-arrangement annular of square pipe, the both sides cell wall of V-arrangement annular is used for respectively with holding two side laminating of square pipe.
2. The square tube shaping rolling device according to claim 1, wherein an included angle between both side groove walls of the V-shaped ring groove is a right angle.
3. The square tube shaping rolling apparatus as claimed in claim 1, wherein an adjusting mechanism for adjusting positions of the four second rolls is provided on the base.
4. The square tube truing rolling apparatus according to claim 3, wherein said adjusting mechanism comprises:
the sliding rail is fixed on the base and is perpendicular to the roll shaft of the second roll;
the sliding plate is arranged in the sliding rail in a sliding mode and is in rotating connection with the second roller;
and the driving component is arranged on the base and used for driving the sliding plate to move along the sliding rail.
5. The square tube truing rolling apparatus of claim 4, wherein said drive assembly comprises:
the hydraulic cylinder is fixed on the base and arranged in parallel with the sliding rail, and a piston rod of the hydraulic cylinder is connected with the sliding plate;
and the hydraulic oil pump is connected with the hydraulic cylinder and used for controlling the extension and retraction of the piston rod.
6. The square tube truing rolling apparatus of claim 4, wherein said drive assembly comprises:
the screw rod is arranged in parallel with the sliding rail, and one end of the screw rod is rotationally connected with the sliding plate;
the worm gear pair is fixed on the base, matched with the screw rod and used for driving the screw rod to move along the axial direction;
and the driving motor is connected with the worm gear pair.
7. The square tube shaping rolling device according to claim 6, wherein the sliding plate is provided with a bearing, an outer ring of the bearing is fixedly connected with the sliding plate, and an inner ring of the bearing is fixedly connected with the screw.
8. The square tube truing rolling apparatus according to claim 6, wherein the worm-and-gear pair comprises:
the worm wheel is sleeved on the screw rod, and the inner wall of the worm wheel is provided with an internal thread matched with the external thread on the outer wall of the screw rod;
and the worm is matched with the worm wheel and connected with an output shaft of the driving motor.
9. The square tube truing rolling apparatus as set forth in any one of claims 4 to 8, wherein the slide rail is provided with a fixing member for fixing the sliding plate.
10. The square tube reforming rolling device according to claim 9, wherein the fixing member includes a fixing pin, and the rail is provided with a plurality of pin holes at intervals to be engaged with the fixing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484734.2U CN211437480U (en) | 2019-12-31 | 2019-12-31 | Square tube shaping rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484734.2U CN211437480U (en) | 2019-12-31 | 2019-12-31 | Square tube shaping rolling device |
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| Publication Number | Publication Date |
|---|---|
| CN211437480U true CN211437480U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922484734.2U Active CN211437480U (en) | 2019-12-31 | 2019-12-31 | Square tube shaping rolling device |
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| CN (1) | CN211437480U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496065A (en) * | 2020-11-14 | 2021-03-16 | 湖南文理学院 | Extrusion conveying device for manufacturing special pipe |
| CN112570448A (en) * | 2020-11-27 | 2021-03-30 | 中北大学 | Large-scale rectangular section manufacturing equipment with inner rib belt guide rail |
| CN112588818A (en) * | 2020-11-27 | 2021-04-02 | 中北大学 | Manufacturing method of large rectangular section with inner rib belt guide rail |
| CN113617943A (en) * | 2021-08-25 | 2021-11-09 | 燕山大学 | Drawing die for rectangular-section deep-cylinder thin-wall metal part and machining process thereof |
| CN114309183A (en) * | 2022-01-12 | 2022-04-12 | 浙江大学 | Rectangular pipe space bending variable-diameter forming device |
-
2019
- 2019-12-31 CN CN201922484734.2U patent/CN211437480U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112496065A (en) * | 2020-11-14 | 2021-03-16 | 湖南文理学院 | Extrusion conveying device for manufacturing special pipe |
| CN112570448A (en) * | 2020-11-27 | 2021-03-30 | 中北大学 | Large-scale rectangular section manufacturing equipment with inner rib belt guide rail |
| CN112588818A (en) * | 2020-11-27 | 2021-04-02 | 中北大学 | Manufacturing method of large rectangular section with inner rib belt guide rail |
| CN112588818B (en) * | 2020-11-27 | 2023-01-24 | 中北大学 | Manufacturing method of large rectangular section with inner rib belt guide rail |
| CN113617943A (en) * | 2021-08-25 | 2021-11-09 | 燕山大学 | Drawing die for rectangular-section deep-cylinder thin-wall metal part and machining process thereof |
| CN113617943B (en) * | 2021-08-25 | 2022-08-30 | 燕山大学 | Drawing die for rectangular-section deep-cylinder thin-wall metal part and machining process thereof |
| CN114309183A (en) * | 2022-01-12 | 2022-04-12 | 浙江大学 | Rectangular pipe space bending variable-diameter forming device |
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