CN215785753U - Fork ear hole extrusion strengthening tool - Google Patents
Fork ear hole extrusion strengthening tool Download PDFInfo
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- CN215785753U CN215785753U CN202121598049.3U CN202121598049U CN215785753U CN 215785753 U CN215785753 U CN 215785753U CN 202121598049 U CN202121598049 U CN 202121598049U CN 215785753 U CN215785753 U CN 215785753U
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- hole
- fork
- fork ear
- positioning
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Abstract
The utility model relates to a fork ear hole extrusion strengthening tool, which comprises a pressure lever, a guide bushing, a positioning seat, an extrusion rod and a base, wherein the pressure lever is connected with the guide bushing; the outer diameter of the pressure lever is smaller than the inner diameter of an inner hole of the guide bushing, the pressure lever is in sliding fit with the guide bushing, the outer diameter of the guide bushing is in shape fit with the inner diameter of the fork lug hole, and the guide bushing is fixedly inserted into the fork lug hole; the positioning seat is provided with a positioning table top, a groove and a positioning arc boss are formed on the positioning table top, the positioning arc boss is matched with the outer contour shape of the fork ear, the groove is coaxial with the fork ear hole, and the diameter of the groove is larger than that of the fork ear hole; the end part of the pressure lever props against the extrusion rod, and the outer diameter of the extrusion rod is larger than the inner diameter of the fork ear hole; the groove can accommodate the extrusion rod; the positioning seat is fixedly connected with the base. The utility model has the advantages of simple structure, accurate positioning, simple implementation process and good extrusion effect.
Description
Technical Field
The utility model relates to the technical field of processing, in particular to a fork ear hole extrusion strengthening tool.
Background
The hole extrusion strengthening process is to extrude holes continuously and uniformly by using an extrusion rod with certain interference, so that an elastic-plastic deformation layer, namely a residual pressure layer, is generated around the holes.
When a workshop is used for carrying out an extrusion strengthening process on a fork lug hole part, the fork lug hole needs to be protected due to the special fork lug structure of the part, the part is prevented from being deformed, and the extrusion strengthening process of the part cannot be realized by a universal tool, so that an effective fork lug hole extrusion strengthening tool is needed on site.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is as follows: provides a fork ear hole extrusion strengthening tool with simple structure and convenient use.
The technical scheme of the utility model is as follows: the fork ear hole extrusion strengthening tool comprises a pressure lever (1), a guide bush (2), a positioning seat (4), an extrusion rod (3) and a base;
the outer diameter of the pressure lever (1) is smaller than the inner diameter of an inner hole of the guide bushing (2), the pressure lever is in sliding fit with the guide bushing, the outer diameter of the guide bushing (2) is in shape fit with the inner diameter of the fork lug hole, and the guide bushing is fixedly inserted into the fork lug hole;
the positioning seat (4) is provided with a positioning table top, a groove and a positioning arc boss are formed on the positioning table top, the positioning arc boss is matched with the outer contour shape of the fork lug, the groove is coaxial with the fork lug hole, and the diameter of the groove is larger than that of the fork lug hole;
the end part of the pressure lever props against the extrusion rod (3), and the outer diameter of the extrusion rod (3) is larger than the inner diameter of the fork hole;
said recess being able to accommodate said pressing bar (3);
the positioning seat (4) is fixedly connected with the base.
Furthermore, the outer extrusion surface of the extrusion rod is a conical surface.
Furthermore, the lower end of the extrusion rod extends to form a guide pin, the groove is provided with a guide hole, and the guide pin is in sliding fit with the guide hole.
Further, the positioning seat (4) is in threaded fit with the base. The relative rotation between the positioning seat (4) and the base can realize height adjustment.
Further, the guide bush is an assembly including a plurality of guide bushes of different outer diameters or different inner diameters.
Furthermore, the upper end of the pressure lever is a stress end, and the stress end is of a stepped shaft structure.
Further, the positioning table is in an eccentric shape. For preventing the tool from interfering with the fork ear.
Further, the base comprises a supporting cylinder and a bottom plate, the supporting cylinder is fixedly connected with the positioning seat, and the supporting cylinder is in threaded fit with the bottom plate.
A method of use;
1. placing the guide bushing (2) in a first fork eye of the fork ear;
2. attaching the second fork lug to the positioning table board, and attaching the lug piece of the second fork lug to the positioning arc boss for positioning so that the holes of the two fork lugs and the groove are coaxial;
3. the extrusion rod (3) is placed in the other fork ear hole;
4. and (3) pressing the pressure lever (1) on the extrusion rod after penetrating through the guide bush, and applying pressure to the pressure lever to complete the extrusion of the second fork hole.
The utility model has the beneficial effects that: the utility model has the advantages of simple structure, accurate positioning, simple implementation process and good extrusion effect.
Drawings
FIG. 1 is a structural cross-sectional view of the present invention;
FIG. 2 is a schematic view of the compression bar;
FIG. 3 is a schematic view of a guide bushing;
FIG. 4 is a schematic view of an extrusion bar;
FIG. 5 is a schematic structural diagram of the positioning seat;
FIG. 6 is a cross-sectional view of the positioning socket;
FIG. 7 is a sectional view of embodiment 2;
wherein: 1 compression bar, 2 guide bush, 3 extrusion rod, 4 positioning seats, 5 support cylinder, 6 bottom plate, 41 positioning table surface, 42 positioning arc boss, 43 groove, 44 guide pin and 45 guide hole.
Detailed Description
the outer diameter of the pressure lever 1 is smaller than the inner diameter of an inner hole of the guide bush 2, the pressure lever is in sliding fit with the guide bush, the outer diameter of the guide bush 2 is in shape fit with the inner diameter of the fork lug hole, and the guide bush is fixedly inserted into the fork lug hole;
the positioning seat 4 is provided with a positioning table top, a groove and a positioning arc boss are formed on the positioning table top, the positioning arc boss is matched with the outer contour shape of the fork ear, the groove is coaxial with the fork ear hole, and the diameter of the groove is larger than that of the fork ear hole;
the end part of the pressure lever props against the extrusion rod 3, and the outer diameter of the extrusion rod 3 is larger than the inner diameter of the fork hole;
the groove can accommodate the squeeze bar 3;
the positioning seat 4 is fixedly connected with the base.
the outer diameter of the pressure lever 1 is smaller than the inner diameter of an inner hole of the guide bush 2, the pressure lever is in sliding fit with the guide bush, the outer diameter of the guide bush 2 is in shape fit with the inner diameter of the fork lug hole, and the guide bush is fixedly inserted into the fork lug hole;
the positioning seat 4 is provided with a positioning table top, a groove and a positioning arc boss are formed on the positioning table top, the positioning arc boss is matched with the outer contour shape of the fork ear, the groove is coaxial with the fork ear hole, and the diameter of the groove is larger than that of the fork ear hole;
the end part of the pressure lever props against the extrusion rod 3, and the outer diameter of the extrusion rod 3 is larger than the inner diameter of the fork hole;
the groove can accommodate the squeeze bar 3;
the positioning seat 4 is fixedly connected with the base.
The outer extrusion surface of the extrusion rod is a conical surface.
The lower end of the extrusion rod extends to form a guide pin, the groove is provided with a guide hole, and the guide pin is in sliding fit with the guide hole.
The positioning seat 4 is in threaded fit with the base. The relative rotation between the positioning seat 4 and the base enables height adjustment.
The guide bushing is an assembly comprising a plurality of guide bushings of different outer diameters or different inner diameters.
The upper end of the pressure lever is a stress end, and the stress end is of a stepped shaft structure.
The positioning table top is in an eccentric shape. For preventing the tool from interfering with the fork ear.
The base comprises a supporting cylinder and a bottom plate, the supporting cylinder is fixedly connected with the positioning seat, and the supporting cylinder is in threaded fit with the bottom plate.
Claims (8)
1. Fork ear hole extrusion instrument of reinforceing, its characterized in that: comprises a compression bar (1), a guide bush (2), a positioning seat (4), an extrusion rod (3) and a base;
the outer diameter of the pressure lever (1) is smaller than the inner diameter of an inner hole of the guide bushing (2), the pressure lever is in sliding fit with the guide bushing, the outer diameter of the guide bushing (2) is in shape fit with the inner diameter of the fork lug hole, and the guide bushing is fixedly inserted into the fork lug hole;
the positioning seat (4) is provided with a positioning table top (41), a groove (43) and a positioning arc boss (42) are formed on the positioning table top, the positioning arc boss is matched with the outer contour shape of the fork ear, the groove is coaxial with the fork ear hole, and the diameter of the groove is larger than that of the fork ear hole;
the end part of the pressure lever props against the extrusion rod (3), and the outer diameter of the extrusion rod (3) is larger than the inner diameter of the fork hole;
said recess being able to accommodate said pressing bar (3);
the positioning seat (4) is fixedly connected with the base.
2. The fork ear aperture crush reinforcement tool of claim 1, wherein: the outer extrusion surface of the extrusion rod is a conical surface.
3. The fork ear aperture crush reinforcement tool of claim 1, wherein: the lower end of the extrusion rod extends to form a guide pin (44), the groove is provided with a guide hole (45), and the guide pin is in sliding fit with the guide hole.
4. The fork ear aperture crush reinforcement tool of claim 1, wherein: the positioning seat (4) is in threaded fit with the base.
5. The fork ear aperture crush reinforcement tool of claim 1, wherein: the guide bushing is an assembly comprising a plurality of guide bushings of different outer diameters or different inner diameters.
6. The fork ear aperture crush reinforcement tool of claim 1, wherein: the upper end of the pressure lever is a stress end, and the stress end is of a stepped shaft structure.
7. The fork ear aperture crush reinforcement tool of claim 1, wherein: the positioning table top is in an eccentric shape.
8. The fork ear aperture crush reinforcement tool of claim 1, wherein: the base comprises a supporting cylinder (5) and a bottom plate (6), the supporting cylinder is fixedly connected with the positioning seat, and the supporting cylinder is in threaded fit with the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121598049.3U CN215785753U (en) | 2021-07-14 | 2021-07-14 | Fork ear hole extrusion strengthening tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121598049.3U CN215785753U (en) | 2021-07-14 | 2021-07-14 | Fork ear hole extrusion strengthening tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215785753U true CN215785753U (en) | 2022-02-11 |
Family
ID=80181974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121598049.3U Active CN215785753U (en) | 2021-07-14 | 2021-07-14 | Fork ear hole extrusion strengthening tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215785753U (en) |
-
2021
- 2021-07-14 CN CN202121598049.3U patent/CN215785753U/en active Active
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