CN216828306U - Die mould for steel pipe end expanding machine - Google Patents
Die mould for steel pipe end expanding machine Download PDFInfo
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- CN216828306U CN216828306U CN202220607568.XU CN202220607568U CN216828306U CN 216828306 U CN216828306 U CN 216828306U CN 202220607568 U CN202220607568 U CN 202220607568U CN 216828306 U CN216828306 U CN 216828306U
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- guide rail
- expanding
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- shaping
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Abstract
The utility model discloses a die mould for a steel pipe end expanding machine, which comprises a frame body, a lifter arranged on the frame body, an expanding mechanism and a shaping mechanism, wherein the expanding mechanism and the shaping mechanism are connected with the lifter and are fixed on the frame body; the diameter expanding mechanism comprises a main oil cylinder, a dodecapyramid, a first guide rail and a diameter expanding die, wherein the main oil cylinder, the dodecapyramid, the first guide rail and the diameter expanding die are fixed on the frame body; the shaping mechanism comprises a shaping disc arranged at the end part of the dodecapyramid, a second guide rail arranged on the shaping disc, a shaping mold in sliding connection with the second guide rail, a third guide rail in sliding connection with the excircle of the shaping mold, and an inner shrinkage sleeve for fixing the third guide rail, wherein an auxiliary oil cylinder is connected to the outer wall of the inner shrinkage sleeve. The utility model discloses increased trench and design mould, guaranteed to process the seal groove in the hole enlargement, saved subsequent processing, saved manpower and materials, improved production efficiency.
Description
Technical Field
The utility model belongs to the technical field of steel pipe end expanding machine technique and specifically relates to a steel pipe end is moulding-die mould for expanding machine is related to.
Background
The problems of inaccurate size and irregular shape exist after the steel pipe is produced. The steel pipe end expanding machine is used for expanding the steel pipe body by utilizing a dodecagonal pyramid and a mould, achieves the aim of eliminating the internal stress, the size and the shape defects of the steel pipe, creates good conditions for the butt joint of the steel pipes on site, and consists of the dodecagonal pyramid, the mould, an auxiliary oil cylinder, a lifter and a main oil cylinder. The existing steel pipe end expanding machine only expands the diameter of a steel pipe, but extra processing is needed for the steel pipe which has special requirements and needs to be sealed, manpower and material resources are wasted, and the production efficiency is low. In view of the above, it is necessary to design a die for a steel pipe end expanding machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel pipe end is moulding-die mould for expanding machine has increased trench and design mould, has guaranteed to process the seal groove in the hole enlargement, has saved follow-up processing, has saved manpower and materials, has improved production efficiency.
In order to achieve the purpose, the utility model provides a die mould for a steel pipe end expanding machine, which comprises a frame body, a lifter arranged on the frame body, an expanding mechanism and a shaping mechanism, wherein the expanding mechanism and the shaping mechanism are connected with the lifter and are both fixed on the frame body;
the diameter expanding mechanism comprises a main oil cylinder, a dodecapyramid, a first guide rail and a diameter expanding die, the main oil cylinder, the dodecapyramid, the first guide rail and the diameter expanding die are fixed on the frame body, the diameter expanding die slides on the first guide rail, the first guide rail is arranged on the excircle of the dodecapyramid, and the dodecapyramid is connected with the main oil cylinder;
the shaping mechanism comprises a shaping disc arranged at the end part of the dodecapyramid, a second guide rail arranged on the shaping disc, a shaping mold in sliding connection with the second guide rail, a third guide rail in sliding connection with the excircle of the shaping mold, and an inner shrinkage sleeve for fixing the third guide rail, wherein an auxiliary oil cylinder is connected to the outer wall of the inner shrinkage sleeve, and the auxiliary oil cylinder is fixed to the outer wall of the elevator.
Preferably, the inner wall of the inner telescopic sleeve is of a conical structure, the outer wall of the inner telescopic sleeve is of a cylindrical structure, and the inner telescopic sleeve is connected with the auxiliary oil cylinder through a fixing plate.
Preferably, the first guide rail and the third guide rail are both arranged in a T-shaped structure, and the second guide rail is arranged in an H-shaped structure.
Preferably, an expanding rod connected with the main oil cylinder is arranged on the inner wall of the dodecapyramid, a locking nut is arranged at the end of the expanding rod, and the locking nut is connected with the bottom end of the dodecapyramid.
Preferably, an end of the expanding die is slidably connected to the second guide rail.
Preferably, the outer wall of the expanding die and the inner wall of the shaping die are provided with corresponding sealing groove pressing steps.
Therefore, the utility model adopts the above structure a steel pipe end is moulding-die mould for expanding machine has increased trench and design mould, has guaranteed to process the seal groove in the hole enlargement, has saved subsequent processing, has saved manpower and materials, has improved production efficiency.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a die mold for a steel pipe end expanding machine of the present invention;
fig. 2 is a partial enlarged view of an embodiment of a die mold for a steel pipe end expanding machine of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
Fig. 1 is the utility model relates to a steel pipe end is die-casting die embodiment for expanding machine's structural schematic diagram, fig. 2 is the utility model relates to a steel pipe end is die-casting die embodiment for expanding machine's local enlarger, as shown in the figure, the utility model provides a steel pipe end is die-casting die for expanding machine, including support body 1, the elevator 2 of setting on support body 1, the expanding mechanism and the forming mechanism of being connected with elevator 2, forming mechanism and expanding mechanism all fix on support body 1.
The diameter expanding mechanism comprises a main oil cylinder 3, a dodecapyramid 4, a first guide rail 5 and a diameter expanding die 6, wherein the main oil cylinder 3, the dodecapyramid 4, the first guide rail 5 and the diameter expanding die 6 are fixed on the frame body 1, the diameter expanding die 6 slides on the first guide rail 5, the first guide rail 5 is arranged on the outer circle of the dodecapyramid 4, and the dodecapyramid 4 is connected with the main oil cylinder 3. The first guide rail 5 is provided in a T-shaped configuration. The inner wall of the dodecapyramid 4 is provided with a diameter expanding rod 14 connected with the main oil cylinder 3, the end part of the diameter expanding rod 14 is provided with a lock nut 15, and the lock nut 15 is connected with the bottom end part of the dodecapyramid 4. After the main oil cylinder is started, the dodecapyramid is moved by pulling the diameter expanding rod and the lock nut, the diameter expanding die is forced to radially expand in the moving process of the dodecapyramid, and the force of the diameter expanding head acts on the steel pipe through the excircle of the diameter expanding die, so that the steel pipe at one end, which is in contact with the excircle of the diameter expanding die, is subjected to permanent deformation, the diameter is expanded, and the sealing groove is subjected to cold press molding.
The shaping mechanism comprises a shaping disc 7 arranged at the end part of the dodecapyramid 4, a second guide rail 8 arranged on the shaping disc 7, a shaping mold 9 connected with the second guide rail 8 in a sliding manner, a third guide rail 10 connected with the excircle of the shaping mold 9 in a sliding manner, and an inner shrinkage sleeve 11 for fixing the third guide rail 10, wherein an auxiliary oil cylinder 12 is connected to the outer wall of the inner shrinkage sleeve 11, and the auxiliary oil cylinder 12 is fixed to the outer wall of the elevator 2. The inner wall of the inner shrinkage sleeve 11 is of a conical structure, the outer wall of the inner shrinkage sleeve 11 is of a cylindrical structure, and the inner shrinkage sleeve 11 is connected with the auxiliary oil cylinder 12 through a fixing plate 13. The third guide rails 10 are all arranged into T-shaped structures, and the second guide rails 8 are arranged into H-shaped structures. The end of the expanding die 6 is slidably connected to the second guide rail 8. The outer wall of the expanding die 6 and the inner wall of the shaping die 9 are provided with corresponding sealing groove pressing steps 16. After expanding and cold press forming of the sealing groove, the auxiliary oil cylinder pulls the inner shrinkage sleeve, so that the inner circle of the shaping die is forced to contact with the outer circle of the steel pipe to shape the sealing groove.
When the diameter-expanding die is used, firstly, the T-shaped groove at the bottom of the diameter-expanding die is assembled on the first guide rail on the dodecapyramid, and then the T-shaped groove of the shaping die is assembled on the third guide rail of the inner shrinkage sleeve; then aligning the T-shaped groove formed by the expanding die and the shaping die with the T-shaped groove on the shaping disc to form an H-shaped groove, and inserting a second guide rail. And starting the elevator to align the center of the dodecapyramid to the center of the steel pipe and move the steel pipe to a station, wherein the main oil cylinder contracts to drive the dodecapyramid to move through the lock nut so as to radially expand the expanding die, when the pipe orifice of the expanding die is expanded to a standard size, the main oil cylinder stops, the auxiliary oil cylinder is started to drive the auxiliary oil cylinder to pull the inner shrink sleeve to drive the shaping die to radially contract so as to shape the sealing groove, after the expanding is finished, the auxiliary oil cylinder extends out, and the main oil cylinder extends out to withdraw the steel pipe.
Therefore, the utility model adopts the above structure a steel pipe end is moulding-die mould for expanding machine has increased trench and design mould, has guaranteed to process the seal groove in the hole enlargement, has saved subsequent processing, has saved manpower and materials, has improved production efficiency.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a steel pipe end is moulding-die mould for expanding machine which characterized in that:
the automatic expanding device comprises a frame body, a lifter arranged on the frame body, an expanding mechanism and a shaping mechanism, wherein the expanding mechanism and the shaping mechanism are connected with the lifter;
the diameter expanding mechanism comprises a main oil cylinder, a dodecapyramid, a first guide rail and a diameter expanding die, the main oil cylinder, the dodecapyramid, the first guide rail and the diameter expanding die are fixed on the frame body, the diameter expanding die slides on the first guide rail, the first guide rail is arranged on the excircle of the dodecapyramid, and the dodecapyramid is connected with the main oil cylinder;
the shaping mechanism comprises a shaping disc arranged at the end part of the dodecapyramid, a second guide rail arranged on the shaping disc, a shaping mold in sliding connection with the second guide rail, a third guide rail in sliding connection with the excircle of the shaping mold, and an inner shrinkage sleeve for fixing the third guide rail, wherein an auxiliary oil cylinder is connected to the outer wall of the inner shrinkage sleeve, and the auxiliary oil cylinder is fixed to the outer wall of the elevator.
2. The die mould for the pipe end expanding machine of the steel pipe according to claim 1, wherein: the inner wall of the inner shrinkage sleeve is of a conical structure, the outer wall of the inner shrinkage sleeve is of a cylindrical structure, and the inner shrinkage sleeve is connected with the auxiliary oil cylinder through a fixing plate.
3. The die mould for the pipe end expanding machine of the steel pipe according to claim 2, wherein: the first guide rail and the third guide rail are both arranged to be T-shaped structures, and the second guide rail is arranged to be H-shaped structures.
4. The die mould for the pipe end expanding machine of the steel pipe according to claim 3, wherein: an expanding rod connected with the main oil cylinder is arranged on the inner wall of the dodecapyramid, a locking nut is arranged at the end of the expanding rod, and the locking nut is connected with the bottom end of the dodecapyramid.
5. The die mould for the pipe end expanding machine of the steel pipe according to claim 4, wherein: and the end part of the expanding die is in sliding connection with the second guide rail.
6. The die mould for the pipe end expanding machine of the steel pipe according to claim 5, wherein: and the outer wall of the expanding die and the inner wall of the shaping die are provided with corresponding sealing groove pressing steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220607568.XU CN216828306U (en) | 2022-03-21 | 2022-03-21 | Die mould for steel pipe end expanding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220607568.XU CN216828306U (en) | 2022-03-21 | 2022-03-21 | Die mould for steel pipe end expanding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216828306U true CN216828306U (en) | 2022-06-28 |
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ID=82096266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220607568.XU Active CN216828306U (en) | 2022-03-21 | 2022-03-21 | Die mould for steel pipe end expanding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216828306U (en) |
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2022
- 2022-03-21 CN CN202220607568.XU patent/CN216828306U/en active Active
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