CN215355623U - Shaping die for producing annular metal corrugated pipe - Google Patents
Shaping die for producing annular metal corrugated pipe Download PDFInfo
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- CN215355623U CN215355623U CN202121784775.4U CN202121784775U CN215355623U CN 215355623 U CN215355623 U CN 215355623U CN 202121784775 U CN202121784775 U CN 202121784775U CN 215355623 U CN215355623 U CN 215355623U
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Abstract
The utility model relates to an integer die for producing an annular metal corrugated pipe, which comprises a shell, a chuck, clamping jaws and a gradual pitch roller, wherein the chuck is rotatably arranged on the shell, the chuck is radially and uniformly provided with the three clamping jaws at intervals in a movable manner, each clamping jaw is rotatably provided with the gradual pitch roller, the axes of the gradual pitch rollers are parallel to the axis of the chuck, and the three gradual pitch rollers synchronously rotate. The shaping mold is used for shaping the surface of a corrugated pipe with an annular primary wave, and gradually spinning the corrugated pipe into a standard annular metal corrugated pipe through a rolling shaft with a gradually-changed pitch. The shaping die continuously extrudes and spins the primary wave formed by the circular tube to obtain the metal corrugated pipe with the annular structure, so that the mechanical property and the physical property of raw materials are kept to the maximum extent, the forming parameters of the corrugated pipe are optimized, the corrugated pipe is softer, the fatigue resistance times are improved, the service life of the corrugated pipe is greatly prolonged, and the shaping die is particularly suitable for severe working environments.
Description
Technical Field
The utility model belongs to the technical field of pipe production equipment, particularly relates to a corrugated pipe, and particularly relates to an integral mold for producing an annular metal corrugated pipe.
Background
The metal corrugated pipe mainly has the effects of compensating thermal deformation of a pipeline, damping, absorbing settlement deformation of the pipeline and the like, and is widely applied to industries such as petrifaction, instruments, aerospace, chemical engineering, electric power, cement, metallurgy and the like. Wherein, the annular corrugated pipe is a pipe-shaped shell with the corrugation of the annular corrugated pipe in a closed circular ring shape. The waves are formed by connecting annular ripples in series. Conventional annular bellows are typically extruded into a closed annular ring of annular corrugations using a hydraulic press.
Through search, a Chinese patent publication similar to the present patent application is found, and the name is: a metal corrugated pipe forming machine and a forming method using the forming machine are disclosed as follows: CN112296154A, which is a patent publication disclosing a metal corrugated pipe forming machine and a forming method using the forming machine, relating to the technical field of steel pipe processing, a metal corrugated pipe forming machine, comprising a machine table, a forming roller and a rotary driving component; the two axial sides of the forming roller are respectively provided with a steel pipe insertion opening and an extrusion opening; a plurality of spinning petals are fixed inside the forming roller, and all the spinning petals jointly enclose a cavity; the machine table is respectively provided with a pipe end positioning assembly and an extrusion oil cylinder at two axial sides of the forming roller. A method for forming a metal corrugated pipe comprises the steps of inserting a steel pipe, clamping the steel pipe, spinning and the like.
By contrast, the above patent publications have the following problems:
the above-mentioned patent documents adopt a process of once-through making corrugations by using a spinning die with an internal spiral, and because each corrugation is formed by instant spinning and the mechanical properties of the steel strip are seriously damaged, the processed corrugated pipe has poor flexibility and short service life.
SUMMERY OF THE UTILITY MODEL
The utility model provides the shaping die for producing the annular metal corrugated pipe, which has the advantages of simple structure, good flexibility and long service life.
The scheme of the utility model is realized as follows:
the utility model provides an integer mould for producing annular corrugated metal pipe, includes casing, chuck, jack catch and gradual change pitch roller bearing, the chuck is rotatory to be installed on the casing, the radial even interval of chuck removes the three jack catch of installation, and equal rotatory gradual change pitch roller bearing of installing on every jack catch, the axis of gradual change pitch roller bearing all with the axis of chuck is parallel, three gradual change pitch roller bearing synchronous revolution.
Moreover, the outer edge of the roller with the gradually changed pitch is provided with a gradually changed spiral, and the pitch of the spiral is gradually narrowed.
And a linkage mechanism is arranged on the chuck, and is connected with the variable pitch rollers and used for realizing synchronous action of the three variable pitch rollers.
And, link gear includes sprocket and chain, the sprocket is three, and installs respectively on adjacent two chuck between the gradual change pitch roller bearing, three the gradual change pitch roller bearing all with the chain is connected.
And the roller with the gradually changed pitch is arranged on the clamping jaw through the locking and rotating seat.
Moreover, the chuck is driven by a motor and a belt.
The utility model has the advantages and positive effects that:
the utility model relates to a shaping die for producing an annular metal corrugated pipe, which is used for shaping the surface of the corrugated pipe with an annular primary wave and gradually spinning the corrugated pipe into a standard annular metal corrugated pipe through a rolling shaft with a gradually-changed pitch. The shaping die continuously extrudes and spins the primary wave formed by the circular tube to obtain the metal corrugated pipe with the annular structure, so that the mechanical property and the physical property of raw materials are kept to the maximum extent, the forming parameters of the corrugated pipe are optimized, the corrugated pipe is softer, the fatigue resistance times are improved, the service life of the corrugated pipe is greatly prolonged, and the shaping die is particularly suitable for severe working environments.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of a tapered roller according to the present invention.
Reference numerals:
1-chuck, 2-jack catch, 3-rotating seat, 4-gradual pitch roller, 5-locknut, 6-locking block, 7-chain wheel, 8-chain, 9-shell.
Detailed Description
The utility model will be further described in detail by means of specific embodiments with reference to the accompanying drawings.
The utility model provides an integer mould for producing annular corrugated metal pipe, as shown in figure 1, figure 2, including casing 9, chuck 1, jack catch 2 and gradual change pitch roller bearing 4, the discharge end at casing 9 is installed in the rotation of chuck 1, the radial even interval removal of chuck 1 terminal surface installs three jack catch 2, and locking block 6 is installed to every jack catch 2, install roating seat 3 on the locking block 6, install gradual change pitch roller bearing 4 on the roating seat 3, the axis of gradual change pitch roller bearing 4 all with the axis of chuck 1 is parallel, gradual change pitch roller bearing 4 is locked through lock nut 5. The gradual change pitch roller 4 is driven by a linkage mechanism to realize synchronous rotation.
In this embodiment, the link gear includes sprocket 7 and chain 8, two adjacent install sprocket 7 on the chuck 1 between the gradual change pitch roller bearing 4, install chain 8 on the sprocket 7, three thereby the gradual change pitch roller bearing 4 realizes synchronous rotation through sprocket 7, the drive of chain 8, keeps the phase place synchronous.
The linkage mechanism of this patent application also can realize the purpose of three gradual change pitch roller bearing 4 linkages through the transmission mode of belt, gear, and this application is no longer detailed and is repeated.
The structure of the roller 4 with the gradually changing pitch is shown in fig. 3, and the outer edge of the roller 4 with the gradually changing pitch is provided with a spiral with the gradually narrowing pitch.
The chuck 1 is driven by a motor and a belt.
The working principle of the shaping die is as follows:
the surface of the circular tube is processed into a primary wave of a ring structure through special equipment, when the corrugated tube with the primary wave enters the shaping die, the wave form of the first wave is also a shallow wave, and after the corrugated tube sequentially passes through the gradual pitch of the gradual pitch roller for gradual spinning, the wave trough of the corrugated tube becomes deeper gradually, the wave distance becomes narrower gradually, the wave height becomes larger gradually, and after the corrugated tube is gradually spun for multiple times, the corrugated tube can reach the preset parameter setting. The annular wave of the corrugated pipe is gradually formed through multiple times of spinning, the mechanical properties and the physical properties of raw materials are kept to the maximum extent, the forming parameters of the corrugated pipe are optimized, the corrugated pipe is softer, the fatigue resistance times are improved, the service life of the corrugated pipe is greatly prolonged, and the corrugated pipe is particularly suitable for severe working environments.
The utility model relates to a shaping die for producing an annular metal corrugated pipe, which is used for shaping the surface of the corrugated pipe with an annular primary wave and gradually spinning the corrugated pipe into a standard annular metal corrugated pipe through a rolling shaft with a gradually-changed pitch. The shaping die is used for continuously extruding and spinning the initial wave formed by the circular tube to obtain the metal corrugated pipe with the annular structure, so that the mechanical property of a steel belt is ensured, the prepared annular corrugation is uniform, the quality is high, the flexibility of the corrugated pipe produced by the die is good, the service life is long, and the shaping die has wide popularization and application values.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.
Claims (6)
1. The utility model provides a plastic mould for producing annular corrugated metal pipe which characterized in that: including casing (9), chuck (1), jack catch (2) and gradual change pitch roller bearing (4), rotatory the installing on casing (9) of chuck (1), chuck (1) radial even interval removes three jack catch (2) of installation, and equal rotatory installation has gradual change pitch roller bearing (4) on every jack catch (2), the axis of gradual change pitch roller bearing (4) all with the axis of chuck (1) is parallel, three gradual change pitch roller bearing (4) synchronous revolution.
2. The shaping mold for producing an annular metallic corrugated tube as set forth in claim 1, wherein: the outer edge of the roller (4) with the gradually changed pitch is provided with a gradually changed spiral, and the pitch of the spiral is gradually narrowed.
3. The shaping mold for producing an annular metallic corrugated tube as set forth in claim 1, wherein: the chuck (1) is provided with a linkage mechanism which is connected with the gradual pitch rolling shafts (4) and is used for realizing the synchronous action of the three gradual pitch rolling shafts (4).
4. The shaping mold for producing an annular metallic corrugated tube as set forth in claim 3, wherein: the linkage mechanism comprises a chain wheel (7) and a chain (8), wherein the chain wheel (7) is three and is respectively arranged on the chuck (1) between the two adjacent variable-pitch rollers (4), and the variable-pitch rollers (4) are all connected with the chain (8).
5. The shaping mold for producing an annular metallic corrugated tube as set forth in claim 1, wherein: the gradual change pitch roller (4) is installed on the clamping jaw (2) through the locking (6) and the rotating seat (3).
6. The shaping mold for producing an annular metallic corrugated tube as set forth in claim 1, wherein: the chuck (1) is driven by a motor and a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121784775.4U CN215355623U (en) | 2021-08-03 | 2021-08-03 | Shaping die for producing annular metal corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121784775.4U CN215355623U (en) | 2021-08-03 | 2021-08-03 | Shaping die for producing annular metal corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215355623U true CN215355623U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121784775.4U Active CN215355623U (en) | 2021-08-03 | 2021-08-03 | Shaping die for producing annular metal corrugated pipe |
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| CN (1) | CN215355623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116871375A (en) * | 2023-09-06 | 2023-10-13 | 杭州万全金属软管有限公司 | Stainless steel corrugated pipe machining device |
-
2021
- 2021-08-03 CN CN202121784775.4U patent/CN215355623U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116871375A (en) * | 2023-09-06 | 2023-10-13 | 杭州万全金属软管有限公司 | Stainless steel corrugated pipe machining device |
| CN116871375B (en) * | 2023-09-06 | 2023-11-28 | 杭州万全金属软管有限公司 | Stainless steel corrugated pipe machining device |
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