CN116984496A - Spiral steel pipe end expanding device - Google Patents
Spiral steel pipe end expanding device Download PDFInfo
- Publication number
- CN116984496A CN116984496A CN202310643433.8A CN202310643433A CN116984496A CN 116984496 A CN116984496 A CN 116984496A CN 202310643433 A CN202310643433 A CN 202310643433A CN 116984496 A CN116984496 A CN 116984496A
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- China
- Prior art keywords
- expanding
- steel pipe
- groove
- base
- diameter
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- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/026—Enlarging by means of mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The application discloses a spiral steel pipe end expanding device, which particularly relates to the technical field of machine manufacturing. The application can effectively expand the diameter of the steel pipe, ensures that the steel pipe cannot shake and deviate in the diameter expansion process, and improves the naturalness of the joint between the expanded diameter and the unexpanded diameter of the steel pipe by utilizing the corresponding upper auxiliary groove, the lower auxiliary groove and the external adapting ring, thereby improving the diameter expansion effect of the steel pipe.
Description
Technical Field
The application relates to the technical field of mechanical manufacturing, in particular to a spiral steel pipe end expanding device.
Background
In the production process of the spiral steel pipe, the pipe end trimming procedure is required to ensure the dimensional accuracy and eliminate the internal stress, but in the actual production of the spiral steel pipe, the phenomenon of out-of-tolerance pipe end diameter often occurs due to factors such as fluctuation of the mechanical property of the steel plate, inaccurate influence estimation on rebound and the like, and the diameter of the steel pipe needs to be expanded when the pipe end diameter of the steel pipe is smaller.
Disclosure of Invention
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a spiral steel pipe end expanding device, includes the base, installs expanded diameter base and pusher on the base, and expanded diameter base and pusher symmetry set up, are equipped with the expanded diameter seat of pressing of lift activity at the top of expanded diameter base, and expanded diameter is pressed the seat and is connected with hydraulic means, installs the regulation pole that extends to the outside on the outer wall that expanded diameter base kept away from pusher, is equipped with the spacing pipe of round trip movement at the outside cover of regulation pole.
In a preferred embodiment, a semicircular lower groove and a lower auxiliary groove are formed in the top end surface of the expanding base, the lower groove and the lower auxiliary groove are connected together, and the lower groove and the lower auxiliary groove extend to two ends of the expanding base respectively.
In a preferred embodiment, a semicircular upper groove and an upper auxiliary groove are formed in the lower surface of the expanding and pressing seat, the upper groove and the upper auxiliary groove are connected together, and the upper groove and the upper auxiliary groove extend to two ends of the expanding and pressing seat respectively.
In a preferred embodiment, the upper and lower grooves merge to form an integral cylindrical passage, and the lower and upper auxiliary grooves merge to form an integral cylindrical passage, the upper and lower grooves having diameters smaller than the diameters of the upper and lower auxiliary grooves.
In a preferred embodiment, threads are provided on the outer wall of the adjusting rod, and the limiting tube moves outside the adjusting rod through the threads.
In a preferred embodiment, a semicircular ring-shaped adapter ring is respectively arranged on the outer walls of the expanding base and the expanding pressing base at the side close to the pushing device, and the inner diameter of the adapter ring is the same as that of the upper auxiliary groove and the lower auxiliary groove.
In a preferred embodiment, the pushing device comprises a positioning seat fixed on the base and a hydraulic push rod arranged on one side of the positioning seat, the hydraulic push rod is positioned on one side of the positioning seat away from the expanding base, a limiting sleeve is embedded at the top end of the positioning seat, a connecting rod capable of moving back and forth is inserted in the limiting sleeve, and the connecting rod is connected with the output end of the hydraulic push rod.
In a preferred embodiment, a detachable expanding rod is connected to the end of the connecting rod, the diameter of the expanding rod is the same as that of the connecting rod, a convex expanding bulge is arranged outside the expanding rod, the expanding bulge is cylindrical, and the edges of two sides of the expanding bulge are arranged in an arc shape.
In a preferred embodiment, a screw hole is formed in the end portion, close to the diameter expanding rod, of the connecting rod, and a screw rod matched with the screw hole is mounted at the end portion of the diameter expanding rod.
The application has the technical effects and advantages that:
the application can effectively expand the diameter of the steel pipe, ensures that the steel pipe cannot shake and deviate in the diameter expansion process, and improves the naturalness of the joint between the expanded diameter and the unexpanded diameter of the steel pipe by utilizing the corresponding upper auxiliary groove, the lower auxiliary groove and the external adapting ring, thereby improving the diameter expansion effect of the steel pipe.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present application.
Fig. 2 is a schematic diagram of the structure of the diameter-expanding press seat after being turned over.
FIG. 3 is a schematic view of the structure of the connecting rod and the expanding rod part of the present application.
The reference numerals are: 1 a base, 2 a diameter-expanding base, 3 a diameter-expanding pressing seat, 4 an adjusting rod, 5 a limit pipe, 6 a lower groove, 7 a lower auxiliary groove, 8 an upper groove, 9 an upper auxiliary groove, 10 an adapter ring, 11 a positioning seat, 12 a hydraulic push rod, 13 a limit sleeve, 14 a connecting rod, 15 a diameter-expanding rod, 16 a diameter-expanding bulge, 17 a screw hole and 18 a screw rod.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The application provides a spiral steel pipe end expanding device as shown in figures 1-3, which comprises a base 1, wherein an expanding base 2 and a pushing device are arranged on the base 1, the expanding base 2 and the pushing device are symmetrically arranged, an expanding pressing seat 3 which moves up and down is arranged at the top of the expanding base 2, the expanding pressing seat 3 is connected with a hydraulic device, an adjusting rod 4 which extends outwards is arranged on the outer wall of the expanding base 2 far away from the pushing device, and a limiting pipe 5 which moves back and forth is sleeved outside the adjusting rod 4.
Further, a semicircular lower groove 6 and a semicircular lower auxiliary groove 7 are formed in the top surface of the expanding base 2, the lower groove 6 and the lower auxiliary groove 7 are connected together, and the lower groove 6 and the lower auxiliary groove 7 extend to two ends of the expanding base 2 respectively.
When the steel pipe expanding device works, a steel pipe needing to be expanded is placed in the lower groove 6 on the expanding base 2, one end needing to be expanded is located in the lower auxiliary groove 7, the position of the limiting pipe 5 outside the adjusting rod 4 is adjusted according to the length of the other end of the steel pipe, the limiting pipe 5 is attached to the end part of the steel pipe, and the steel pipe is abutted against the column to prevent the steel pipe from sliding.
Further, a semicircular upper groove 8 and an upper auxiliary groove 9 are formed in the lower surface of the expanding press seat 3, the upper groove 8 and the upper auxiliary groove 9 are connected together, and the upper groove 8 and the upper auxiliary groove 9 extend to two ends of the expanding press seat 3 respectively;
after the steel pipe is placed, the expanding pressing seat 3 is pressed down through a hydraulic device, so that the expanding pressing seat 3 is pressed on the upper portion of the steel pipe, the upper groove 8 is covered on the upper portion of the lower groove 6, the upper auxiliary groove 9 is covered on the upper portion of the lower auxiliary groove 7, and the steel pipe is clamped.
Further, the upper groove 8 and the lower groove 6 are combined to form an integral cylindrical channel, the lower auxiliary groove 7 and the upper auxiliary groove 9 are combined to form an integral cylindrical channel, and the diameters of the upper groove 8 and the lower groove 6 are smaller than those of the upper auxiliary groove 9 and the lower auxiliary groove 7;
the steel pipe subjected to the expansion is placed in a cylindrical passage formed between the upper groove 8 and the lower groove 6, and the cylindrical passage formed between the upper auxiliary groove 9 and the lower auxiliary groove 7 has a larger diameter, which is a passage in which the expanded portion of the steel pipe is accommodated.
The outer wall of the adjusting rod 4 is provided with threads, and the limiting pipe 5 moves outside the adjusting rod 4 through the threads;
the limiting pipe 5 is adjusted and fixed through threads, and is propped against the end part of the steel pipe, so that the steel pipe is fixed and limited on the expanding base 2.
The outer walls of the expanding base 2 and the expanding pressing seat 3 close to one side of the pushing device are respectively provided with a semicircular ring-shaped adapting ring 10, and the inner diameter of the adapting ring 10 is the same as the inner diameters of the upper auxiliary groove 9 and the lower auxiliary groove 7;
the adapter ring 10 is located the outside, and after expanding base 2 and the combination of expanding press seat 3, carry out the operation in-process of expanding, the adapter ring 10 can provide the effect of a protection to steel pipe expanded diameter part and non-expanded diameter part, prevents to appear warping in the junction of in-process of expanding both, promotes the effect of steel pipe expanded diameter.
The pushing device comprises a positioning seat 11 fixed on the base 1 and a hydraulic push rod 12 arranged on one side of the positioning seat 11, wherein the hydraulic push rod 12 is positioned on one side of the positioning seat 11 far away from the expanding base 2, a limiting sleeve 13 is embedded at the top end of the positioning seat 11, a connecting rod 14 which moves back and forth is inserted in the limiting sleeve 13, and the connecting rod 14 is connected with the output end of the hydraulic push rod 12;
the end part of the connecting rod 14 is connected with a detachable expanding rod 15, the diameter of the expanding rod 15 is the same as that of the connecting rod 14, a convex expanding bulge 16 is arranged outside the expanding rod 15, the expanding bulge 16 is cylindrical, and the edges of the two sides of the expanding bulge 16 are arranged in an arc shape;
on the basis, after the steel pipe is clamped and fixed by the expanding press seat 3 and the expanding base 2, the hydraulic push rod 12 in the pushing device pushes the connecting rod 14 to move, so that the connecting rod 14 drives the expanding rod 15 to move towards the inside of the steel pipe, the expanding operation is carried out on the steel pipe by utilizing the expanding bulge 16 outside the expanding rod 15, and the steel pipe can be well expanded by the expanding bulge 16 due to the cylindrical design and the circular arc processing on the two sides.
Screw holes 17 are formed in the end portion, close to the diameter expanding rod 15, of the connecting rod 14, screw rods 18 matched with the screw holes 17 are mounted at the end portion of the diameter expanding rod 15, the diameter expanding rod 15 is connected with the connecting rod 14 in a mode of matching the screw holes 17 with the screw rods 18, and the diameter expanding rod 15 can be replaced according to the diameter expanding requirements of different steel pipes so as to be suitable for different product operations.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (9)
1. The utility model provides a spiral steel pipe end expanding device, its characterized in that, including the base, install expanded base and pusher on the base, expanded base and pusher symmetry set up, are equipped with the expanded seat of pressing of lift activity at the top of expanded base, and expanded seat is connected with hydraulic means, installs the regulation pole that extends to the outside on the outer wall that expanded base kept away from pusher, is equipped with the spacing pipe of round trip movement at the outside cover of regulation pole.
2. The diameter-enlarging apparatus for a pipe end of a spiral steel pipe according to claim 1, wherein: the top surface of the expanding base is provided with a semicircular lower groove and a lower auxiliary groove which are connected together, and the lower groove and the lower auxiliary groove respectively extend to the two ends of the expanding base.
3. The diameter-enlarging apparatus for the end of a spiral steel pipe according to claim 2, wherein: an upper semicircular groove and an upper auxiliary groove are formed in the lower surface of the expanding pressing seat, the upper groove and the upper auxiliary groove are connected together, and the upper groove and the upper auxiliary groove extend to two ends of the expanding pressing seat respectively.
4. A spiral steel pipe end expanding apparatus according to claim 3, wherein: the upper groove and the lower groove are combined to form an integral cylindrical channel, the lower auxiliary groove and the upper auxiliary groove are combined to form an integral cylindrical channel, and the diameters of the upper groove and the lower groove are smaller than those of the upper auxiliary groove and the lower auxiliary groove.
5. The diameter-enlarging apparatus for a pipe end of a spiral steel pipe according to claim 1, wherein: the outer wall of the adjusting rod is provided with threads, and the limiting pipe moves outside the adjusting rod through the threads.
6. The diameter-enlarging apparatus for a pipe end of a spiral steel pipe according to claim 1, wherein: and a semicircular adapter ring is respectively arranged on the outer walls of the expanding base and the expanding pressing base which are close to one side of the pushing device, and the inner diameter of the adapter ring is the same as that of the upper auxiliary groove and the lower auxiliary groove.
7. The diameter-enlarging apparatus for a pipe end of a spiral steel pipe according to claim 1, wherein: the pushing device comprises a positioning seat fixed on the base and a hydraulic push rod arranged on one side of the positioning seat, the hydraulic push rod is located on one side, far away from the expanding base, of the positioning seat, a limiting sleeve is embedded into the top end of the positioning seat, a connecting rod capable of moving back and forth is inserted into the limiting sleeve, and the connecting rod is connected with the output end of the hydraulic push rod.
8. The spiral steel pipe end expanding apparatus according to claim 7, wherein: the end part of the connecting rod is connected with a detachable expanding rod, the diameter of the expanding rod is the same as that of the connecting rod, a convex expanding bulge is arranged outside the expanding rod, the expanding bulge is cylindrical, and the edges of two sides of the expanding bulge are arranged in an arc shape.
9. The spiral steel pipe end expanding device according to claim 8, wherein: screw holes are formed in the end portions, close to the expanding rods, of the connecting rods, and threaded rods matched with the screw holes are mounted at the end portions of the expanding rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310643433.8A CN116984496A (en) | 2023-06-01 | 2023-06-01 | Spiral steel pipe end expanding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310643433.8A CN116984496A (en) | 2023-06-01 | 2023-06-01 | Spiral steel pipe end expanding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116984496A true CN116984496A (en) | 2023-11-03 |
Family
ID=88532798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310643433.8A Pending CN116984496A (en) | 2023-06-01 | 2023-06-01 | Spiral steel pipe end expanding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116984496A (en) |
-
2023
- 2023-06-01 CN CN202310643433.8A patent/CN116984496A/en active Pending
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