CN108262363B - Elliptical conical pipe drawing machine - Google Patents
Elliptical conical pipe drawing machine Download PDFInfo
- Publication number
- CN108262363B CN108262363B CN201810382314.0A CN201810382314A CN108262363B CN 108262363 B CN108262363 B CN 108262363B CN 201810382314 A CN201810382314 A CN 201810382314A CN 108262363 B CN108262363 B CN 108262363B
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- China
- Prior art keywords
- elliptical
- tube
- pipe
- blank
- rotating device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/32—Feeding or discharging the material or mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Magnetic Treatment Devices (AREA)
Abstract
The invention discloses an elliptical conical tube drawing machine which comprises a motion control device, a dragging device, a radial feeding device and a rack, wherein the motion control device is connected with the dragging device through a connecting rod; the motion control device comprises a first rotating device, a second rotating device, a forming mechanism and a pasting mechanism, wherein the first rotating device and the second rotating device are respectively arranged at the left side and the right side of the forming mechanism, the pasting mechanism is positioned above the forming mechanism, and the dragging device is positioned at one end of the second rotating device; the first rotating device and the second rotating device are respectively used for driving the elliptical die pipe and the blank circular pipe to synchronously rotate, the radial feeding device is connected with the motion control device, the motion control device is driven to move at a constant speed along the radial direction of the blank circular pipe towards the direction away from the circular pipe, and the dragging device drags the blank circular pipe to move at a constant speed along the axis of the blank circular pipe, so that the taper of the elliptical die pipe can be processed by the matching linkage of the radial feeding device and the dragging device. The elliptical cone pipe drawing machine is good in addition forming quality and high in machining efficiency, and can realize rapid and stable forming of a long elliptical cone pipeline.
Description
Technical Field
The invention belongs to the technical field of drawing and manufacturing of elliptical conical pipes, and particularly relates to a drawing machine.
Background
In the prior pipeline manufacturing, various manufacturing modes are provided, and a cold-drawn steel pipe is usually adopted for a steel pipe, and the cold-drawn steel pipe is a steel pipe which is produced by drawing, extruding, perforating and other methods and has no seam on the surface of the whole steel pipe. The steel is round, square and rectangular steel with a hollow section and no seam at the periphery. The steel ingot or solid pipe blank is made into a tubular billet through perforation and then is made into the hollow billet through cold drawing. However, no better manufacturing method for an elliptic taper pipe with an elliptic cross section and a certain taper in the length direction exists at present, and intensive research needs to be carried out by those skilled in the art.
Disclosure of Invention
The invention aims to solve the technical problems and provides the elliptical conical pipe drawing machine which is good in addition forming quality, high in machining efficiency and capable of realizing rapid and stable forming of a longer elliptical conical pipeline.
The technical scheme of the invention is as follows:
an elliptical cone pipe drawing machine comprises a motion control device, a dragging device, a radial feeding device and a rack;
the motion control device comprises a first rotating device, a second rotating device, a forming mechanism and an attaching mechanism, wherein the first rotating device and the second rotating device are respectively arranged at the left side and the right side of the forming mechanism, the attaching mechanism is positioned above the forming mechanism, and the dragging device is positioned at one end of the second rotating device;
the first rotating device and the second rotating device are respectively used for driving the elliptical die pipe and the blank circular pipe to synchronously rotate, and the cross section of the elliptical die pipe is the same as the cross section of the small end of the elliptical conical pipe to be processed and formed by the blank circular pipe;
the forming mechanism comprises a support, a guide rod, a roller and a pressure head, wherein the top of the support is provided with two coaxially arranged sleeves, the guide rod penetrates through the two sleeves, the roller is arranged at one end of the guide rod facing the oval die tube, and the pressure head is arranged at one end of the guide rod facing the round blank tube;
the leaning mechanism comprises an L-shaped suspension, two magnets, a connecting rod connected with the guide rod and a compression spring, wherein a mounting block is arranged at the free end of the connecting rod, the mounting block is opposite to and spaced from the vertical section of the suspension, one magnet is embedded in each of the surfaces, facing each other, of the vertical section and the mounting block, the two magnets are arranged in a mutual attraction manner, the compression spring for preventing the two magnets from approaching each other is arranged between the two magnets, so that the roller is always in contact with the surface of the rotating elliptical die tube under the magnetic action, and when the roller is positioned at the end point of the short shaft of the elliptical die tube, the pressure head is in close contact with the circular blank tube, so that when the elliptical die tube rotates, the pressure head processes the circular blank tube into a required elliptical shape;
the radial feeding device is connected with the motion control device and drives the motion control device to move at a constant speed along the radial direction of the blank circular tube towards the direction far away from the circular tube, and the dragging device drags the blank circular tube to move at a constant speed along the axis of the blank circular tube, so that the taper of the elliptical cone tube can be processed by the matching linkage of the radial feeding device and the dragging device.
Furthermore, the two magnets are arranged in a mutually exclusive manner, the mounting block is connected with the connecting rod through a lever mechanism, the lever mechanism comprises an intermediate rod, a bar plate and a roller, the intermediate rod is connected to the mounting block and is hinged with the upper end of the bar plate, the bottom of the mounting block is supported on a horizontally arranged guide rail plate through a vertically arranged support spring, a sliding groove capable of enabling the sliding block to slide on the guide rail plate in a linear mode is formed in the guide rail plate, and the support spring is fixed at the free end of the sliding block; the middle part of the lever plate is hinged on the shell attached to the mechanism, the upper part of the lever plate is provided with a through hole for the guide rail plate to pass through, and the lower end of the lever plate is provided with a roller which is always in contact with one side of the connecting rod towards the blank circular tube.
Further, the middle rod is hinged with the mounting block.
Furthermore, two ends of the compression spring are respectively and correspondingly embedded into the vertical section and the mounting block, and the two magnets are positioned in two ends of the compression spring.
Further, the radial feeding device and the dragging device both comprise high-precision ball screw mechanisms, and the pressure head is hemispherical.
The invention has the beneficial effects that: the invention drives the motion control device to realize radial movement through the radial feeding device, and realizes axial feeding under the axial dragging of the dragging device, so that the radial feeding and the axial feeding are parallel to obtain the processing taper of the elliptical conical tube. Therefore, the radial feeding device, the dynamic motion control device and the dragging device are organically combined, and the elliptical cone pipeline can be stably and reliably produced.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of a structure of the abutting mechanism driving the forming mechanism.
Fig. 3 is a front view of the lever plate.
Fig. 4 is a schematic view of a compression spring embedded arrangement.
Element number description: the device comprises an elliptical die tube 1, a roller 2, a connecting rod 3, a guide rod 4, a sleeve 5, a pressure head 6, a suspension 7, a magnet 8, a compression spring 9, a mounting block 10, a blank round tube 11, an intermediate rod 12, a lever plate 13, a roller 14, a supporting spring 15, a sliding block 16, a guide rail plate 17, a through hole 1301, a hinge shaft 1302, a motion control device a and a radial feeding device b.
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 fig. 1, the elliptical cone drawing machine comprises a motion control device a, a dragging device, a radial feeding device b and a frame, wherein the dragging device is not shown in fig. 1 for the sake of simplicity. The motion control device a comprises a first rotating device, a second rotating device, a forming mechanism and an attaching mechanism, wherein the first rotating device and the second rotating device are arranged on the left side and the right side of the forming mechanism in a row, the attaching mechanism is positioned above the forming mechanism, and the dragging device is positioned at one end of the second rotating device.
The first rotating device and the second rotating device are respectively used for driving the elliptical die pipe 1 and the blank circular pipe 11 to synchronously rotate, the cross section of the elliptical die pipe 1 is the same as the cross section of the small end of the elliptical conical pipe to be processed and formed by the blank circular pipe 11, namely the elliptical die pipe 1 is formed by directly stretching an ellipse with the cross section being the same as the cross section of the small end of the elliptical conical pipe along the axial direction.
The forming mechanism comprises a support, a guide rod 4, a roller 2 and a pressure head 6, wherein the top of the support is provided with two coaxially arranged sleeves 5, the guide rod 4 penetrates through the two sleeves 5, the guide rod 4 is arranged towards one end of the elliptical die tube 1, the roller 2 is arranged towards one end of the blank circular tube 11, and the pressure head 6 is arranged towards one end of the blank circular tube 11.
The leaning mechanism comprises an L-shaped suspension 7, two magnets 8, a connecting rod 3 connected with a guide rod 4 and a compression spring 9, wherein a mounting block 10 is arranged at the free end of the connecting rod 3, the mounting block 10 is opposite to and spaced from the vertical section of the suspension 7, a magnet 8 is embedded in each of the surfaces of the vertical section and the mounting block 10, which are opposite to each other, the two magnets 8 are arranged in a mutual attraction manner, and the compression spring 9 for preventing the two magnets 8 from approaching each other is arranged between the two magnets 8, so that under the magnetic action, the roller 2 is always kept in contact with the surface of the rotating elliptical die tube 1, and when the roller 2 is positioned at the end point of the short shaft of the elliptical die tube 1, the pressure head 6 is in close contact with the circular blank tube 11, so that when the elliptical die tube 1 rotates, the pressure head 6 processes the circular blank tube 11 into a required elliptical shape.
The radial feeding device b is connected with the motion control device a and drives the motion control device a to move at a constant speed along the radial direction of the round blank pipe 11 towards the direction far away from the round pipe, and the dragging device drags the round blank pipe 11 to move at a constant speed along the axis of the round blank pipe 11, so that the radial feeding device b and the dragging device are matched and linked to process the taper of the elliptic conical pipe.
When the drawing machine provided by the embodiment works, the motion control device a enables the guide rod 4 to have a trend moving towards the elliptical die tube 1 at any moment under the combined action of the magnet 8 and the compression spring 9, so that the guide rod 4 connected with the guide rod 3 has the same trend, namely, the roller 2 keeps effective contact with the surface of the elliptical die tube 1 at any moment, at the moment, the fluctuation of the surface profile of the elliptical die tube 1 enables the pressing head 6 on the guide rod 4 to correspondingly move along with the fluctuation, and the blank circular tube 11 to be processed is processed into the same elliptical shape. Therefore, the radial feeding device b, the dynamic motion control device a and the dragging device are organically combined, and the elliptical cone pipeline can be stably and reliably produced.
Further, as shown in fig. 2-3, the two magnets 8 are disposed in a mutually exclusive manner, the mounting block 10 is connected to the connecting rod 3 through a lever mechanism, the lever mechanism includes a middle rod 12, a lever plate 13 and a roller 14, the middle rod 12 is connected to the mounting block 10 and is hinged to the upper end of the lever plate 13, the bottom of the mounting block 10 is supported on a horizontally disposed guide rail plate 17 through a vertically disposed support spring 15, the guide rail plate 17 is provided with a sliding groove capable of enabling the slider 16 to linearly slide on the guide rail plate 17, and the free end of the slider 16 is fixed with the support spring 15. The middle part of the lever plate 13 is hinged on the housing of the abutting mechanism through a hinge shaft 1302, the upper part of the lever plate 13 is provided with a through hole 1301 for the guide rail plate 17 to pass through, and the lower end is provided with a roller 14 which is always contacted with one side of the connecting rod 3 facing the blank circular tube 11. The structure mainly considers that when the magnet 8 is adopted for equipment with larger size, the magnet 8 is not suitable to be too close to the guide rod 4, the blocking influence of a magnetic field on movement is reduced, the magnet 8 and the guide rod 4 can keep enough distance by means of indirect transmission of a lever mechanism, meanwhile, corresponding parts can be conveniently made of non-stick magnetic materials, and rubber can be adopted for the mounting block 10, the suspension 7 and the like. Meanwhile, a lever mechanism is adopted for indirect transmission, so that the flexibility of the space layout of the structural design of the equipment is better.
Further, the intermediate rod 12 is hinged to the mounting block 10, so as to improve the flexibility of the lever mechanism.
Further, as shown in fig. 4, two ends of the compression spring 9 are respectively embedded into the vertical section and the mounting block 10 correspondingly, and the two magnets 8 are located inside two ends of the compression spring 9, so that the vertical section of the suspension 7 and the mounting block 10 have a larger spring repulsive force under the action of magnetic attraction, and the closeness between the roller 2 and the elliptical die tube 1 is improved.
Further, the radial feeding device b and the dragging device both comprise a high-precision ball screw mechanism so as to improve the precision of motion feeding amount and ensure the taper precision of the elliptical cone pipe, and the pressure head is hemispherical so as to be in point contact during contact and improve the machining precision.
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 (5)
1. The utility model provides an elliptical cone pipe drawbench which characterized in that: comprises a motion control device, a dragging device, a radial feeding device and a frame;
the motion control device comprises a first rotating device, a second rotating device, a forming mechanism and an attaching mechanism, wherein the first rotating device and the second rotating device are respectively arranged at the left side and the right side of the forming mechanism, the attaching mechanism is positioned above the forming mechanism, and the dragging device is positioned at one end of the second rotating device;
the first rotating device and the second rotating device are respectively used for driving the elliptical die pipe and the blank circular pipe to synchronously rotate, and the cross section of the elliptical die pipe is the same as the cross section of the small end of the elliptical conical pipe to be processed and formed by the blank circular pipe;
the forming mechanism comprises a support, a guide rod, a roller and a pressure head, wherein the top of the support is provided with two coaxially arranged sleeves, the guide rod penetrates through the two sleeves, the roller is arranged at one end of the guide rod facing the oval die tube, and the pressure head is arranged at one end of the guide rod facing the round blank tube;
the leaning mechanism comprises an L-shaped suspension, two magnets, a connecting rod connected with the guide rod and a compression spring, wherein a mounting block is arranged at the free end of the connecting rod, the mounting block is opposite to and spaced from the vertical section of the suspension, one magnet is embedded in each of the surfaces, facing each other, of the vertical section and the mounting block, the two magnets are arranged in a mutual attraction manner, the compression spring for preventing the two magnets from approaching each other is arranged between the two magnets, so that the roller is always in contact with the surface of the rotating elliptical die tube under the magnetic action, and when the roller is positioned at the end point of the short shaft of the elliptical die tube, the pressure head is in close contact with the circular blank tube, so that when the elliptical die tube rotates, the pressure head processes the circular blank tube into a required elliptical shape;
the radial feeding device is connected with the motion control device and drives the motion control device to move at a constant speed along the radial direction of the blank circular tube towards the direction far away from the circular tube, and the dragging device drags the blank circular tube to move at a constant speed along the axis of the blank circular tube, so that the taper of the elliptical cone tube can be processed by the matching linkage of the radial feeding device and the dragging device.
2. The elliptical cone drawing machine according to claim 1, characterized in that: the two magnets are arranged in a mutually exclusive mode, the mounting block is connected with the connecting rod through a lever mechanism, the lever mechanism comprises an intermediate rod, a bar plate and a roller, the intermediate rod is connected to the mounting block and hinged to the upper end of the bar plate, the bottom of the mounting block is supported on a horizontally arranged guide rail plate through a vertically arranged supporting spring, a sliding groove capable of enabling the sliding block to slide on the guide rail plate in a linear mode is formed in the guide rail plate, and the supporting spring is fixed at the free end of the sliding block; the middle part of the lever plate is hinged on the shell attached to the mechanism, the upper part of the lever plate is provided with a through hole for the guide rail plate to pass through, and the lower end of the lever plate is provided with a roller which is always in contact with one side of the connecting rod towards the blank circular tube.
3. The elliptical cone drawing machine according to claim 2, characterized in that: the middle rod is hinged with the mounting block.
4. The elliptical cone drawing machine according to claim 1, characterized in that: the two ends of the compression spring are correspondingly embedded into the vertical section and the mounting block respectively, and the two magnets are located in the two ends of the compression spring.
5. The elliptical cone drawing machine according to any one of claims 1 to 4, characterized in that: the radial feeding device and the dragging device both comprise high-precision ball screw mechanisms, and the pressure head is hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810382314.0A CN108262363B (en) | 2018-04-26 | 2018-04-26 | Elliptical conical pipe drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810382314.0A CN108262363B (en) | 2018-04-26 | 2018-04-26 | Elliptical conical pipe drawing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108262363A CN108262363A (en) | 2018-07-10 |
| CN108262363B true CN108262363B (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810382314.0A Active CN108262363B (en) | 2018-04-26 | 2018-04-26 | Elliptical conical pipe drawing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN108262363B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3464253A (en) * | 1967-06-29 | 1969-09-02 | United States Pipe Foundry | Method for rounding pipe |
| DE3729859C1 (en) * | 1987-09-05 | 1988-08-25 | Balcke Duerr Ag | Method and device for helically winding metal strip onto pipes |
| NL8801702A (en) * | 1988-07-05 | 1990-02-01 | Redeco Ag | FLEXIBLE, ONE-WAY FLEXIBLE HOSE. |
| CN102284526B (en) * | 2011-07-13 | 2014-04-30 | 中山市奥美森工业技术有限公司 | Processing method of oval pipe |
| CN102363274B (en) * | 2011-10-08 | 2013-07-31 | 广州民航职业技术学院 | Transversely self-driven three-dimensional copying machining method and three-dimensional copying machine |
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2018
- 2018-04-26 CN CN201810382314.0A patent/CN108262363B/en active Active
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| Publication number | Publication date |
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| CN108262363A (en) | 2018-07-10 |
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