CN211191544U - Internal support structure for A-column pipe bending process - Google Patents
Internal support structure for A-column pipe bending process Download PDFInfo
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- CN211191544U CN211191544U CN201921652153.9U CN201921652153U CN211191544U CN 211191544 U CN211191544 U CN 211191544U CN 201921652153 U CN201921652153 U CN 201921652153U CN 211191544 U CN211191544 U CN 211191544U
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- triangular prism
- isosceles triangular
- support structure
- column
- arc section
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Abstract
The utility model provides an internal support structure for A column elbow process, which comprises an isosceles triangular prism body, wherein the top end of the isosceles triangular prism body is provided with a first arc section matched with the top arc section of the A column, and the base angle of the isosceles triangular prism body is provided with a second arc section matched with the bottom arc section of the A column; and a connecting threaded hole is formed in one end surface of the isosceles triangular prism body, and through holes communicated with the connecting threaded holes are formed in the two inclined planes of the isosceles triangular prism body. The A column is supported through the inner supporting structure in the roll bending process of the A column, and the problem that the side wall of the A column is prone to being sunken in the roll bending process is solved.
Description
Technical Field
The utility model relates to an automobile parts processing field, concretely relates to inner support structure for A post return bend process.
Background
The A post structure is the essential element in the car, processes the body that forms hollow triangular prism structure through mould shaping mode in the processing production process, before practical application automobile structure, needs carry out the angle bending to the A post according to user demand to satisfy and carry out the equipment use on the car.
When the A column is bent, continuous roll bending is carried out through special A column roll bending equipment, and the condition of surface depression is easy to occur due to the fact that the side wall of the pipe body is subjected to extrusion force of the clamping device in the roll bending process.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model provides an inner support structure for A post return bend process has solved A post and has produced the sunken problem of lateral wall easily at the roll bending in-process.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an inner supporting structure for an A-pillar pipe bending procedure comprises an isosceles triangular prism, wherein a first arc section matched with a top arc section of the A-pillar is arranged at the top end of the isosceles triangular prism, and a second arc section matched with a bottom arc section of the A-pillar is arranged at the bottom angle of the isosceles triangular prism; and a connecting threaded hole is formed in one end surface of the isosceles triangular prism body, and through holes communicated with the connecting threaded holes are formed in the two inclined planes of the isosceles triangular prism body.
Preferably, one end of the isosceles triangular prism body, which is located at the connecting threaded hole, is provided with a guiding conical surface.
Preferably, the size of the connecting threaded hole is M14, and the hole depth is 35 mm.
Preferably, the radius size of the first circular arc section is 9.3mm, the radius size of the second circular arc section is 7mm, and the height value from the bottom surface of the isosceles triangular prism to the top end of the first circular arc section is 38.31 mm-38.41 mm.
Preferably, the included angle between the two inclined surfaces of the isosceles triangular prism is 24 °.
Preferably, all edges of the isosceles triangular prism body are provided with fillet transition structures.
Preferably, the horizontal plane projection length of the guide conical surface is 15 mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the inner support structure is matched with the inner hole of the column A and supports the side wall of the column A, so that the column A cannot generate surface depression after receiving the clamping force of the clamping device and the torque generated by roll bending, the production quality of products is improved, and the column A can be normally assembled and applied on an automobile after being bent;
2. the whole inner support structure is positioned and installed through the connecting threaded hole, and lubricating oil can be injected into the connecting threaded hole and then flows into the space between the column A and the inner support structure from the through hole, so that the relative sliding between the inner support structure and the column A is improved, and the condition that friction resistance is generated between the column A and the inner support structure is effectively avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the axial measurement structure of the present invention;
in the figure, an isosceles triangular prism body 1, a first arc section 2, a second arc section 3, a connecting threaded hole 4, a through hole 5 and a guide conical surface 6.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1-3, the utility model discloses an internal support structure for a column a pipe bending process, which comprises an isosceles triangular prism 1, wherein the top end of the isosceles triangular prism 1 is provided with a first arc section 2 matched with the top arc section of the column a, and the base angle of the isosceles triangular prism is provided with a second arc section 3 matched with the bottom arc section of the column a; one end surface of the isosceles triangular prism 1 is provided with a connecting threaded hole 4, and two inclined surfaces of the isosceles triangular prism are provided with through holes 5 communicated with the connecting threaded hole 4; when the device is used, the whole internal support structure positioning and clamping device is detected in a mode that a conduit on roll bending equipment is locked with the connecting threaded hole 4, when the A column is subjected to roll bending, the A column moves along the roll bending equipment and is supported by the internal support structure at the position of the clamping device, and the A column is matched with the A column through the internal support structure, so that the defect of surface depression cannot be caused after the A column is subjected to clamping force and bending torque; and in the process of moving the A column, lubricating oil is filled into the connecting threaded hole 4 through a guide pipe on the roll bending equipment, so that a good lubricating effect is kept between the inner supporting structure and the A column, and the A column is prevented from generating resistance in the process of sliding on the inner supporting structure.
Meanwhile, a guiding conical surface 6 is arranged at one end, positioned in the connecting threaded hole 4, of the isosceles triangular prism body 1, so that the A column can have a good guiding effect when sliding and sleeved on the inner support structure, and the A column can be reliably positioned on the inner support structure; meanwhile, the horizontal plane projection length of the guide conical surface 6 is 15 mm.
In order to be convenient for it is stable wholly to install the location to interior bearing structure, let connecting thread hole 4's size be M14, the hole depth be 35mm, guarantee that the pipe on the roll bending equipment can let interior bearing structure installation stable with connecting thread hole 4 cooperation back.
In order to enable the inner support structure to be matched with the A column, the side wall of the A column is supported, the A column can be guaranteed to slide on the inner support structure, the radius size of the first arc section 2 is 9.3mm, the radius size of the second arc section 3 is 7mm, and the height value from the bottom surface of the isosceles triangular prism 1 to the top end of the first arc section 2 is 38.31-38.41 mm; an included angle between two inclined planes of the isosceles triangular prism 1 is 24 degrees, the section size of the inner support structure is limited corresponding to the size of the currently produced A column, and the inner support structure is well matched with the A column; meanwhile, in order to ensure the stability of the A column sleeved on the inner supporting structure, the length of the isosceles triangular prism 1 is 200 mm.
In order to further reduce the resistance between the internal support structure and the a-pillar, all edges of the isosceles triangular prism 1 are provided with fillet transition structures.
In the explanation of the present invention, it should be noted that the terms "first", "second", and the like are only for convenience of description and understanding, and do not limit the number of usage, the order of installation, or the degree of importance of specific technical features.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides an inner support structure for A post return bend process which characterized in that: the device comprises an isosceles triangular prism body (1), wherein a first arc section (2) matched with the top arc section of the A column is arranged at the top end of the isosceles triangular prism body (1), and a second arc section (3) matched with the bottom arc section of the A column is arranged at the bottom angle of the isosceles triangular prism body; a connecting threaded hole (4) is formed in one end face of the isosceles triangular prism body (1), and through holes (5) communicated with the connecting threaded holes (4) are formed in two inclined planes of the isosceles triangular prism body.
2. The internal support structure for an a-pillar pipe bending process of claim 1, wherein: one end of the isosceles triangular prism body (1) located at the connecting threaded hole (4) is provided with a guiding conical surface (6).
3. An internal support structure for an a-pillar pipe bending process according to claim 1 or 2, wherein: the size of the connecting threaded hole (4) is M14, and the hole depth is 35 mm.
4. The internal support structure for an a-pillar pipe bending process of claim 3, wherein: the radius size of first circular arc section (2) is 9.3mm, the radius size of second circular arc section (3) is 7mm, the height value of the bottom surface of isosceles triangular prism body (1) to the top of first circular arc section (2) is 38.31mm ~ 38.41 mm.
5. The internal support structure for an a-pillar pipe bending process of claim 4, wherein: the included angle between the two inclined planes of the isosceles triangular prism (1) is 24 degrees.
6. The internal support structure for an a-pillar pipe bending process of claim 5, wherein: all edges of the isosceles triangular prism body (1) are provided with fillet transition structures.
7. The internal support structure for an a-pillar pipe bending process of claim 2, wherein: the horizontal plane projection length of the guide conical surface (6) is 15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652153.9U CN211191544U (en) | 2019-09-30 | 2019-09-30 | Internal support structure for A-column pipe bending process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652153.9U CN211191544U (en) | 2019-09-30 | 2019-09-30 | Internal support structure for A-column pipe bending process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211191544U true CN211191544U (en) | 2020-08-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921652153.9U Active CN211191544U (en) | 2019-09-30 | 2019-09-30 | Internal support structure for A-column pipe bending process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211191544U (en) |
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2019
- 2019-09-30 CN CN201921652153.9U patent/CN211191544U/en active Active
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