CN216095708U - Steel pipe straightening machine - Google Patents
Steel pipe straightening machine Download PDFInfo
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- CN216095708U CN216095708U CN202122796823.8U CN202122796823U CN216095708U CN 216095708 U CN216095708 U CN 216095708U CN 202122796823 U CN202122796823 U CN 202122796823U CN 216095708 U CN216095708 U CN 216095708U
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- extrusion
- die
- upper extrusion
- dies
- hydraulic cylinder
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims abstract description 90
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000007723 die pressing method Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a steel pipe straightener which comprises a base, a portal frame, a hydraulic cylinder, a connecting rod, an upper die assembly and a lower die assembly, wherein the portal frame is provided with a support; the hydraulic cylinder is fixedly arranged above the portal frame, the upper pressing seat of the upper pressing die assembly and the upper extrusion dies are arranged in a staggered mode, the upper pressing seat is provided with an upper extrusion groove matched with the upper extrusion dies, the opening of the upper extrusion groove is downward, the upper extrusion dies are detachably arranged in the upper extrusion groove through fixing pieces, the upper extrusion dies are arranged in a stacked mode, and the outer diameter of the inner extrusion die in each adjacent upper extrusion die is equal to the inner diameter of the outer extrusion die; the lower die pressing assembly and the lower die pressing assembly are symmetrically arranged; the straightening machine can use the upper extrusion die and the lower extrusion die with corresponding diameters for steel pipes with different diameters, and one straightening machine can straighten the steel pipes with different diameters, so that the straightening machine is convenient to use, and the cost is saved; and the arrangement of the return stroke auxiliary mechanism can improve the working efficiency and the reliability.
Description
Technical Field
The utility model relates to the technical field of steel pipe processing equipment, in particular to a steel pipe straightening machine.
Background
After the steel pipe is machined and formed, the surface flatness of the steel pipe needs to be straightened by a straightening machine. The pipe diameter of the existing steel pipe straightener is a fixed value, different straighteners are needed for steel pipes with different pipe diameters, the use is inconvenient, and the purchasing cost is greatly improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a steel pipe straightener which can adopt extrusion dies with different radiuses according to steel pipes with different pipe diameters.
The utility model adopts the following scheme: a steel pipe straightener comprises a base, a portal frame, a hydraulic cylinder, a connecting rod, an upper die assembly and a lower die assembly; the hydraulic cylinder is fixedly arranged above the door-shaped frame, the top end of the connecting rod is connected with the hydraulic cylinder, and the bottom end of the connecting rod is connected with the upper die assembly; the upper die assembly comprises an upper pressing seat and a plurality of upper extrusion dies, the upper pressing seat is provided with an upper extrusion groove matched with the upper extrusion dies, the opening of the upper extrusion groove is downward, the plurality of upper extrusion dies are detachably mounted in the upper extrusion groove through fixing pieces, the plurality of upper extrusion dies are stacked and arranged, and the outer diameter of an inner extrusion die in each adjacent upper extrusion die is equal to the inner diameter of an outer extrusion die; the lower pressing die assembly comprises a lower pressing seat and a plurality of lower extrusion dies, the lower pressing seat is provided with a lower extrusion groove matched with the lower extrusion dies, and the installation arrangement mode of the plurality of lower extrusion dies is the same as that of the upper extrusion dies; the upper extrusion groove and the lower extrusion groove are correspondingly arranged, and the upper extrusion die and the lower extrusion die are correspondingly arranged.
Preferably, still include return stroke complementary unit, return stroke complementary unit includes connecting seat, fixed pipe and movable rod, the connecting seat rigid coupling is equipped with the through-hole that supplies the connecting rod to run through on door shape frame and intermediate position, fixed pipe set firmly on the connecting seat and be equipped with movable rod assorted inner chamber, the inner chamber both sides of fixed pipe all are equipped with the spout, movable rod bottom both sides set firmly with spout matched with slider, be equipped with the spring between the inner chamber bottom of movable rod bottom and fixed pipe.
Preferably, the fixed pipe and the movable rod are respectively provided with two groups which are respectively arranged at two sides of the connecting rod.
Preferably, the fixing pieces are countersunk screws, the number of the countersunk screws is four, two of the countersunk screws are fixedly provided with the upper extrusion die, and the other two countersunk screws are fixedly provided with the lower extrusion die.
Preferably, the hydraulic cylinder is a linear reciprocating hydraulic cylinder.
Compared with the prior art, the utility model has the following beneficial effects: the upper extrusion die and the lower extrusion die with corresponding diameters can be used for steel pipes with different diameters, and one straightening machine can straighten the steel pipes with different diameters, so that the use is convenient, and the cost is saved; and the arrangement of the return stroke auxiliary mechanism can improve the working efficiency and the reliability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a cross-sectional view of a portion of the upper die assembly of the present invention.
FIG. 3 is a schematic structural view of the inner cavity portion of the fixing tube according to the present invention.
In the figure: 1. a base; 2. a gantry frame; 3. a hydraulic cylinder; 4. a connecting rod; 51. an upper pressing seat; 51a. upper extrusion groove; 52. an upper extrusion die; 61. pressing down the base; 61a. a lower extrusion groove; 62. a lower extrusion die; 7. a fixing member; 8. a connecting seat; 9. a fixed tube; 10 a movable rod; 11. a chute; 12. a slider; 13. a spring.
Detailed Description
As shown in fig. 1 to 3, a steel pipe straightener comprises a base 1, a portal frame 2, a hydraulic cylinder 3, a connecting rod 4, an upper die assembly and a lower die assembly; the hydraulic cylinder 3 is fixedly arranged above the door-shaped frame 2, the hydraulic cylinder 3 can be a linear reciprocating motion hydraulic cylinder, the top end of the connecting rod 4 is connected with the hydraulic cylinder 3, and the bottom end of the connecting rod 4 is connected with the upper die assembly; the upper pressing die assembly comprises an upper pressing base 51 and a plurality of upper extrusion dies 52, the upper pressing base 51 is provided with an upper extrusion groove 51a matched with the upper extrusion dies 52, the opening of the upper extrusion groove 51a is downward, the plurality of upper extrusion dies 52 are detachably mounted in the upper extrusion groove 51a through fixing pieces 7, the fixing pieces 7 can be countersunk screws, the number of the countersunk screws is four, two of the countersunk screws are used for fixedly mounting the upper extrusion dies 52, and the other two of the countersunk screws are used for fixedly mounting the lower extrusion dies 62; a plurality of upper extrusion dies 52 are stacked and arranged, and the outer diameter of the inner extrusion die in the adjacent upper extrusion dies 52 is equal to the inner diameter of the outer extrusion die; the lower pressing die assembly comprises a lower pressing seat 61 and a plurality of lower extrusion dies 62, the lower pressing seat 61 is provided with a lower extrusion groove 61a matched with the lower extrusion dies 62, and the installation arrangement mode of the plurality of lower extrusion dies 62 is the same as that of the upper extrusion dies 52; the upper extrusion groove 51a is provided corresponding to the lower extrusion groove 61a, and the upper extrusion die 52 is provided corresponding to the lower extrusion die 62.
The utility model also comprises a return auxiliary mechanism, the return auxiliary mechanism comprises a connecting seat 8, a fixed pipe 9 and a movable rod 10, the connecting seat 8 is fixedly connected on the door-shaped frame 2, a through hole for the connecting rod 4 to penetrate through is arranged in the middle of the connecting seat, the fixed pipe 9 is fixedly arranged on the connecting seat 8 and is provided with an inner cavity matched with the movable rod 10, sliding grooves 11 are respectively arranged on two sides of the inner cavity of the fixed pipe 9, sliding blocks 12 matched with the sliding grooves 11 are fixedly arranged on two sides of the bottom end of the movable rod 10, and a spring 13 is arranged between the bottom of the movable rod 10 and the bottom of the inner cavity of the fixed pipe 9; the fixed pipe 9 and the movable rod 10 are respectively provided with two groups which are respectively arranged at two sides of the connecting rod 4.
The working principle is as follows: the diameter of a steel pipe to be processed is determined, a countersunk screw is unscrewed, a corresponding upper extrusion die and a corresponding lower extrusion die are respectively installed on the innermost layers of an upper extrusion groove and a lower extrusion groove, the upper extrusion die and the lower extrusion die are fixed through the countersunk screw, the position of the steel pipe to be processed, which needs to be straightened, is placed in the lower extrusion die, a hydraulic cylinder is started, the upper extrusion die is driven to press downwards through a connecting rod in a transmission mode, the steel pipe is straightened, the hydraulic cylinder returns upwards after the straightening is finished, and a spring in a fixed pipe can play an auxiliary role in the return.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While the above-described embodiments have been described in further detail to solve the problems, technical solutions and advantages of the present invention, it should be noted that those skilled in the art should understand that the present invention is not limited by the above-described embodiments, and that various changes and modifications can be made in the present invention without departing from the spirit and scope of the present invention, which falls within the scope of the claimed invention.
Claims (5)
1. A steel pipe straightener is characterized in that: comprises a base (1), a door-shaped frame (2), a hydraulic cylinder (3), a connecting rod (4), an upper die assembly and a lower die assembly; the hydraulic cylinder (3) is fixedly arranged above the portal frame (2), the top end of the connecting rod (4) is connected with the hydraulic cylinder (3), and the bottom end of the connecting rod (4) is connected with the upper die assembly; the upper die assembly comprises an upper pressing seat (51) and a plurality of upper extrusion dies (52), the upper pressing seat (51) is provided with an upper extrusion groove (51a) matched with the upper extrusion dies (52), the opening of the upper extrusion groove (51a) is downward, the upper extrusion dies (52) are detachably mounted in the upper extrusion groove (51a) through fixing pieces (7), the upper extrusion dies (52) are stacked and arranged, and the outer diameter of the inner extrusion die in the adjacent upper extrusion die (52) is equal to the inner diameter of the outer extrusion die; the lower die assembly comprises a lower pressing seat (61) and a plurality of lower extrusion dies (62), the lower pressing seat (61) is provided with a lower extrusion groove (61a) matched with the lower extrusion dies (62), and the installation arrangement mode of the plurality of lower extrusion dies (62) is the same as that of the upper extrusion dies (52); the upper extrusion groove (51a) and the lower extrusion groove (61a) are arranged correspondingly, and the upper extrusion die (52) and the lower extrusion die (62) are arranged correspondingly.
2. The steel pipe straightener as claimed in claim 1, wherein: still include return stroke complementary unit, return stroke complementary unit includes connecting seat (8), fixed pipe (9) and movable rod (10), connecting seat (8) rigid coupling is equipped with the through-hole that supplies connecting rod (4) to run through on door shape frame (2) and intermediate position, fixed pipe (9) set firmly on connecting seat (8) and be equipped with movable rod (10) assorted inner chamber, the inner chamber both sides of fixed pipe (9) all are equipped with spout (11), movable rod (10) bottom both sides set firmly with spout (11) matched with slider (12), be equipped with spring (13) between the inner chamber bottom of movable rod (10) bottom and fixed pipe (9).
3. The steel pipe straightener as claimed in claim 2, wherein: the fixed pipe (9) and the movable rod (10) are provided with two groups which are respectively arranged at two sides of the connecting rod (4).
4. The steel pipe straightener as claimed in claim 1, wherein: the fixing pieces (7) are countersunk head screws, the number of the countersunk head screws is four, two of the countersunk head screws are fixedly provided with an upper extrusion die (52), and the other two countersunk head screws are fixedly provided with a lower extrusion die (62).
5. The steel pipe straightener as claimed in claim 1, wherein: the hydraulic cylinder (3) is a linear reciprocating hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122796823.8U CN216095708U (en) | 2021-11-16 | 2021-11-16 | Steel pipe straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122796823.8U CN216095708U (en) | 2021-11-16 | 2021-11-16 | Steel pipe straightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216095708U true CN216095708U (en) | 2022-03-22 |
Family
ID=80716869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122796823.8U Active CN216095708U (en) | 2021-11-16 | 2021-11-16 | Steel pipe straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216095708U (en) |
-
2021
- 2021-11-16 CN CN202122796823.8U patent/CN216095708U/en active Active
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