CN218424990U - Pipe fitting bend pipe clamping mechanism - Google Patents
Pipe fitting bend pipe clamping mechanism Download PDFInfo
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- CN218424990U CN218424990U CN202222840191.5U CN202222840191U CN218424990U CN 218424990 U CN218424990 U CN 218424990U CN 202222840191 U CN202222840191 U CN 202222840191U CN 218424990 U CN218424990 U CN 218424990U
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Abstract
The utility model provides a pipe fitting return bend die clamping mechanism, including the circle mould, set up the double-layered mould in circle mould one side, the one side that is close to the circle mould on pressing from both sides the mould is equipped with the pipe fitting and presss from both sides the groove, presss from both sides to be equipped with on the mould and dodges the hole, dodges the one end in hole and link up the surface that the pipe fitting pressed from both sides the groove, dodges sliding connection in the hole and has the internal stay plug, is provided with on the double-layered mould and is used for driving the actuating mechanism that the internal stay plug removed, and the one end that is close to the pipe fitting on the internal stay plug and presss from both sides the groove is equipped with the circular arc holding surface, and the radian of circular arc holding surface is the same with the radian on pipe fitting clamp groove surface. The utility model discloses when pressing from both sides tightly the position that does not have the structure of punching a hole on the pipe fitting, the circular arc holding surface on the internal stay plug removes to the surface parallel and level that presss from both sides the groove with the pipe fitting, presss from both sides the mould like this when pressing from both sides the pipe fitting tightly, the circular arc holding surface on the internal stay plug can be to on the pipe fitting with keep away the corresponding region in hole and form effectual support for the clamp force of each department on pipe fitting surface is even unanimous, has avoided producing obvious double-layered trace on the pipe fitting, has also avoided the production of swell.
Description
Technical Field
The utility model relates to a bending machine technical field, in particular to pipe fitting bending die clamping mechanism.
Background
The existing pipe bender is provided with a round die and a clamping die, the clamping die is positioned on one side of the round die, a pipe fitting clamping groove is formed in the clamping die, when a pipe fitting is bent, the pipe fitting is clamped between the clamping die and the round die, then force is applied to one end of the pipe fitting, the pipe fitting is bent along the round die, and therefore the pipe fitting is made into a required shape.
In the actual operation process, two kinds of pipes are usually encountered, one is a pipe with a punching structure, the structure of the pipe is shown as figure 1, and a pipe 1 is provided with a punching structure 2; the other is a pipe without a punching structure, as shown in fig. 2, and the pipe 1 does not have any punching structure. Aiming at a pipe fitting with a punching structure, when the pipe fitting is bent at a position with the punching structure, the clamping die needs to be clamped at the punching position on the pipe fitting, and as the punching structure 2 protrudes out of the surface of the pipe fitting 1, in order to avoid the deformation of the punching structure on the pipe fitting in the clamping process of the clamping die, an avoiding hole is arranged on the existing clamping die, the structure of the avoiding hole is shown in figure 3, and one end of the avoiding hole 5 penetrates through the surface of a pipe fitting clamping groove 4; when the position with the punching structure on the pipe fitting is clamped tightly, the punching structure on the pipe fitting extends into the avoiding hole in the clamping die 3, so that the opposite punching structure 2 is avoided, and the deformation of the punching structure clamp is prevented.
However, due to the avoidance holes formed in the clamping die, the effect of preventing deformation of the punching structure can be achieved, but when the position without the punching structure on the pipe is clamped, due to the existence of the avoidance holes, the area corresponding to the avoidance holes on the pipe cannot be supported, so that obvious clamping marks or even bulges can be formed in the area on the pipe, and further, the pipe is damaged greatly, and the quality of a product is affected.
Disclosure of Invention
The utility model aims at solving the weak point among the prior art and providing a pipe fitting bending clamp mechanism.
The purpose of the invention is realized by the following technical scheme: the utility model provides a pipe fitting return bend die clamping mechanism, including the circle mould, set up the double-layered mould in circle mould one side, the one side that is close to the circle mould on the double-layered mould is equipped with pipe fitting clamp groove, be equipped with on the double-layered mould and dodge the hole, the one end of dodging the hole link up the surface that pipe fitting clamp groove, sliding connection has the internal stay plug in dodging the hole, be provided with the actuating mechanism who is used for driving the internal stay plug to remove on the double-layered mould, the one end that is close to pipe fitting clamp groove on the internal stay plug is equipped with the circular arc holding surface, the radian of circular arc holding surface is the same with the radian on pipe fitting clamp groove surface.
Preferably, when the position with the punching structure on the pipe fitting is clamped, the punching structure on the pipe fitting extends into the avoiding hole, and the arc supporting surface on the inner supporting core rod retreats into the avoiding hole; when the position without the punching structure on the pipe fitting is clamped, the arc supporting surface on the inner supporting core rod moves to be flush with the surface of the pipe fitting clamping groove.
Preferably, the driving mechanism comprises a telescopic device arranged on the clamping die, a driving block is connected to the telescopic device, and a guide chute is arranged on the inner supporting core rod; the driving block is provided with a first guide inclined plane, the guide chute is provided with a second guide inclined plane, the driving block is connected in the guide chute, and the first guide inclined plane on the driving block is contacted with the second guide inclined plane on the guide chute; the driving block moves under the driving of the telescopic device, and the driving block drives the inner supporting core rod to move along the avoiding hole when moving.
Preferably, the telescopic device is an air cylinder, and the driving block is connected to a piston rod of the air cylinder.
Preferably, the telescopic device is a hydraulic cylinder, and the driving block is connected to a piston rod of the hydraulic cylinder.
Preferably, the cross section of the driving block is in a right trapezoid shape.
The utility model has the advantages that: the utility model discloses when pressing from both sides tightly the position that has the structure of punching a hole on the pipe fitting, the structure of punching a hole on the pipe fitting stretches into and dodges the hole, and the circular arc holding surface on the internal stay plug moves back to dodging downtheholely, presss from both sides the mould like this and when pressing from both sides tightly the pipe fitting, presss from both sides the mould and can not cause the deformation to the structure of punching a hole on the pipe fitting. When the position without the punching structure on the pipe fitting is clamped, the driving block is in an extending state under the driving of the telescopic device, the driving is in the extending process, the inner supporting core rod moves towards the direction of the pipe fitting clamping groove under the action of the first guiding inclined plane and the second guiding inclined plane, the arc supporting surface on the inner supporting core rod moves to be flush with the surface of the pipe fitting clamping groove, and therefore when the clamping die clamps the pipe fitting, the arc supporting surface on the inner supporting core rod can effectively support the area, corresponding to the avoidance hole, on the pipe fitting, the clamping force on each part of the surface of the pipe fitting is uniform, the area, corresponding to the avoidance hole, on the pipe fitting is prevented from generating obvious clamping marks, and bulging is also avoided.
Drawings
Fig. 1 is a schematic structural view of a pipe with a punching structure.
Fig. 2 is a schematic view of a pipe structure without a punching structure.
Fig. 3 is a schematic structural view of a clamping mold with an avoiding hole in the prior art.
Fig. 4 is a schematic structural diagram of the present invention.
Figure 5 is a schematic view of the apparatus in one orientation for clamping a tube having a punched configuration.
Figure 6 is a schematic view of the apparatus in another orientation when clamping a tube with a punched configuration.
Figure 7 is a schematic view of the apparatus in one orientation for clamping a tube without a punch structure.
Figure 8 is a schematic view of the apparatus in another orientation for clamping a tube without a punch structure.
Fig. 9 is a schematic structural view of the inner supporting core rod.
In the figure: 1. the pipe fitting, 2, the structure of punching a hole, 3, the clamp mould, 4, the pipe fitting presss from both sides the groove, 5, dodge the hole, 6, the circle mould, 7, telescoping device, 8, the internal stay plug, 9, the drive block, 10, circular arc holding surface, 11, direction chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art all belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Example 1:
as shown in fig. 3-9, a pipe fitting elbow clamping mechanism comprises a circular die 6 and a clamping die 3 arranged on one side of the circular die 6, wherein a pipe fitting clamping groove 4 is arranged on one side of the clamping die 3 close to the circular die 6, the pipe fitting clamping groove 4 is matched with the shape of a pipe fitting 1, and the cross section of the pipe fitting clamping groove 4 is semicircular. Be equipped with on the die 3 and dodge hole 5, dodge the surface that the one end in hole 5 link up pipe fitting clamp groove 4, dodge in the hole 5 sliding connection have interior vaulting pole 8, be provided with the actuating mechanism who is used for driving interior vaulting pole 8 and removes on the die 3. An arc supporting surface 10 is arranged at one end, close to the pipe fitting clamping groove 4, of the inner supporting core rod 8, and the radian of the arc supporting surface 10 is the same as that of the surface of the pipe fitting clamping groove 4.
The driving mechanism comprises a telescopic device 7 arranged on the clamping die 3, the telescopic device 7 is fixed on the clamping die 3, and a driving block 9 is connected to the telescopic device 7. In this embodiment, the telescopic device 7 is a cylinder, and the driving block 9 is connected to a piston rod of the cylinder. The driving block 9 is provided with a first guide inclined plane. The inner supporting core rod 8 is provided with a guide chute 11, and the guide chute 11 is provided with a second guide inclined plane. The driving block 9 is connected in the guide chute 11, a first guide inclined plane on the driving block 9 is parallel to a second guide inclined plane on the guide chute, and the first guide inclined plane is contacted with the second guide inclined plane. The driving block 9 moves under the driving of the telescopic device 7, and the driving block 9 drives the inner mandril 8 to move along the avoidance hole 5 when moving. The moving direction of the driving block 9 is perpendicular to the moving direction of the inner supporting rod 8. Preferably, the cross section of the driving block 9 is a right trapezoid, and the cross section of the driving block 9 can also be a triangle or other shapes.
When the position of having the structure of punching a hole on the pipe fitting presss from both sides tightly, the structure of punching a hole 2 on the pipe fitting 1 stretches into and dodges in the hole, and the circular arc holding surface 10 on the internal stay core rod 8 moves back to dodging in the hole 5, presss from both sides the mould like this and when pressing from both sides the pipe fitting tightly, presss from both sides the mould and can not cause the deformation to the structure of punching a hole 2 on the pipe fitting. When the position without the punching structure on the pipe fitting is clamped, the driving block is in an extending state under the driving of the telescopic device, the driving is in the extending process, under the action of the first guide inclined plane and the second guide inclined plane, the inner supporting core rod 8 moves towards the direction of the pipe fitting clamping groove, the arc supporting surface on the inner supporting core rod moves to be flush with the surface of the pipe fitting clamping groove, when the clamping die clamps the pipe fitting, the arc supporting surface on the inner supporting core rod can effectively support the area, corresponding to the avoidance hole, on the pipe fitting, the clamping force on each part of the surface of the pipe fitting is uniform, the area, corresponding to the avoidance hole, on the pipe fitting is prevented from generating obvious clamping marks, and bulging is also avoided.
Example 2:
example 2 differs from example 1 in that: in embodiment 2, the telescopic device is a hydraulic cylinder, and the driving block is connected to a piston rod of the hydraulic cylinder, and the rest of the structure of embodiment 2 is the same as that of embodiment 1.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a pipe fitting return bend die clamping mechanism, including the circle mould, set up the double-layered mould in circle mould one side, the one side that is close to the circle mould on the double-layered mould is equipped with pipe fitting clamp groove, be equipped with on the double-layered mould and dodge the hole, the one end of dodging the hole link up the surface that pipe fitting pressed from both sides the groove, its characterized in that dodges sliding connection in the hole and props the plug, be provided with on the double-layered mould and be used for driving the actuating mechanism who props the plug removal in, the one end that is close to pipe fitting clamp groove on the internal stay plug is equipped with the circular arc holding surface, the radian of circular arc holding surface is the same with the radian on pipe fitting clamp groove surface.
2. The pipe fitting bending die clamping mechanism according to claim 1, wherein when clamping a position with the punching structure on the pipe fitting, the punching structure on the pipe fitting extends into the avoiding hole, and the arc supporting surface on the inner supporting core rod retreats into the avoiding hole; when the position without the punching structure on the pipe fitting is clamped, the arc supporting surface on the inner supporting core rod moves to be flush with the surface of the pipe fitting clamping groove.
3. A pipe fitting bending clamp mechanism according to claim 1 or 2, wherein the driving mechanism comprises a telescopic device arranged on the clamping die, a driving block is connected to the telescopic device, and a guide chute is arranged on the inner supporting core rod; the driving block is provided with a first guide inclined plane, the guide chute is provided with a second guide inclined plane, the driving block is connected in the guide chute, and the first guide inclined plane on the driving block is contacted with the second guide inclined plane on the guide chute; the driving block moves under the driving of the telescopic device, and the driving block drives the inner supporting core rod to move along the avoiding hole when moving.
4. A pipe bender die clamping mechanism as claimed in claim 3, wherein the telescopic means is a cylinder and the actuating block is connected to a piston rod of the cylinder.
5. A pipe fitting bend die clamping mechanism as claimed in claim 3, wherein said telescoping means is a hydraulic cylinder and said drive block is connected to a piston rod of the hydraulic cylinder.
6. A pipe fitting bend die clamping mechanism as claimed in claim 3, wherein said drive block is of right trapezoid cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222840191.5U CN218424990U (en) | 2022-10-26 | 2022-10-26 | Pipe fitting bend pipe clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222840191.5U CN218424990U (en) | 2022-10-26 | 2022-10-26 | Pipe fitting bend pipe clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218424990U true CN218424990U (en) | 2023-02-03 |
Family
ID=85071307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222840191.5U Active CN218424990U (en) | 2022-10-26 | 2022-10-26 | Pipe fitting bend pipe clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218424990U (en) |
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2022
- 2022-10-26 CN CN202222840191.5U patent/CN218424990U/en active Active
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