CN210907759U - Hub bolt press-in device - Google Patents
Hub bolt press-in device Download PDFInfo
- Publication number
- CN210907759U CN210907759U CN201921752471.2U CN201921752471U CN210907759U CN 210907759 U CN210907759 U CN 210907759U CN 201921752471 U CN201921752471 U CN 201921752471U CN 210907759 U CN210907759 U CN 210907759U
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- upper die
- center
- hub
- blind hole
- blind holes
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Abstract
The utility model discloses a wheel hub bolt push in device, including upper die base and die shank and die holder, the upper die base bottom surface is equipped with the last mould blind hole that uses the die shank center to distribute as centre of a circle circumference's constant diameter isopachous, upward be equipped with in the mould blind hole with this blind hole interference fit's polyurethane cylinder, each polyurethane cylinder diameter and height equal, be equipped with the depression bar that highly equals in the last mould blind hole of each polyurethane cylinder bottom surface, the depression bar top is equipped with protruding edge, the protruding edge thickness of each depression bar equal and with last mould blind hole clearance fit, the upper die base bottom surface is fixed with the bottom cover plate, and the bottom cover plate is equipped with the via hole corresponding with each depression bar, and the die holder is equipped with the arch and the lower mould blind hole that support wheel hub center part, and. The utility model has the advantages of high efficiency, convenient use and capability of guaranteeing the one-time compaction of all hub bolts.
Description
Technical Field
The utility model belongs to the machining appurtenance, especially a wheel hub bolt push in device.
Background
The hub bolt is a high-strength special-shaped bolt, one side of the T-shaped head of the hub bolt is provided with a plane, axial straight threads formed by rolling are arranged between the T-shaped head and the thread section, and the hub bolt is arranged in a hub bolt hole in a pressing mode of a press machine.
The press-in device consists of an upper die arranged on the press machine and capable of sliding quickly and a lower die arranged on the press machine platform. The upper die is a pressure lever, and the lower die supports the hub and is provided with blind holes which correspond to the pressure lever up and down and are used for accommodating bolt bolts of the hub.
The pressing device can only press one hub bolt in one time along with the up-and-down reciprocating motion of the press sliding block, the efficiency is very low, and the hub bolt cannot be compacted with the surface of the hub when the thickness of the T-shaped head of the hub bolt is lower than a specified value because the bottom dead center of the press sliding block is determined.
Disclosure of Invention
The utility model relates to a solve above-mentioned push in device efficiency very low and partial wheel hub bolt can not with the technical problem of wheel hub surface compaction, and provide a wheel hub bolt push in device.
The utility model discloses a realize above-mentioned purpose and take following technical scheme: a hub bolt press-in device comprises an upper die holder, a die handle and a lower die holder and is characterized in that the bottom surface of the upper die holder is provided with upper die blind holes which are distributed circumferentially and have the same diameter and the same depth and take the center of the die handle as the center of a circle, the number of the upper die blind holes and the hole centers of the upper die blind holes correspond to bolt holes of a hub, a polyurethane cylinder in interference fit with the blind holes is arranged in each upper die blind hole, the diameter and the height of each polyurethane cylinder are equal, compression bars with the same height are arranged in the upper die blind holes on the bottom surface of each polyurethane cylinder, the tops of the compression bars are provided with convex edges, the thickness of the convex edges of the compression bars is equal and is in clearance fit with the upper die blind holes, a bottom cover plate is; the lower die base is provided with a bulge for supporting the center of the hub, the center of the bulge corresponds to the center of the die handle, the lower die base is provided with lower die blind holes which are circumferentially distributed by taking the center of the bulge as a circle center and used for accommodating hub bolts, and the center of the lower die blind hole corresponds to the center of the pressure rod.
The utility model discloses can also take following technical measure:
the upper die base is fixedly connected with the bottom cover plate through bolts.
The utility model has the advantages of: this wheel hub bolt push in device's upper die base can set up the depression bar corresponding with a plurality of bolt holes of wheel hub, and support wheel hub's die holder also sets up the lower mould blind hole that corresponds a plurality of bolt holes of wheel hub, therefore the smooth fast up-and-down motion of press can push in all wheel hub bolt bolts that wheel hub set up once, and efficiency greatly obtains improving. The polyurethane cylinder has good elastic deformation performance and transmission pressure, and the polyurethane cylinder corresponding to the thick T-shaped head is compressed to different degrees when the thickness of the T-shaped head of the hub bolt is different, so that the surface compaction of all the hub bolts and the hub can be ensured, and the function of the device can be properly adjusted for the lower dead point of the slide block of the press machine, for example, the lower dead point of the slide block is adjusted by taking the thickness of the thinnest-shaped head as the standard. The utility model has the advantages of high efficiency, convenient use and capability of guaranteeing the one-time compaction of all hub bolts.
Drawings
FIG. 1 is a schematic half-section view of the structure of an embodiment of an upper die base.
FIG. 2 is a schematic half-section of the structure of an embodiment of the lower die base.
Fig. 3 is a view from fig. 2A.
Fig. 4 is a schematic partial cross-sectional view of the embodiment of fig. 1 and 2 in use.
Reference numbers in the figures: 1 die handle, 2 upper die holders, 2-1 upper die blind holes, 3 polyurethane cylinders, 4 compression bars, 4-1 convex edges, 5 bottom cover plates, 6 lower die holders, 6-1 bulges, 6-2 lower die blind holes, 7 hubs and 8 hub bolts.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
The embodiment shown in fig. 1, 2, 3 and 4 is a press-in device with 6 hub bolts for a hub, and the press-in device comprises an upper die holder 2, a die shank 1 and a lower die holder 6. The bottom surface of the upper die holder 2 is provided with 6 upper die blind holes 2-1 with equal diameter and equal depth which are circumferentially distributed by taking the center of the die shank as the circle center, and the number of the upper die blind holes and the hole centers thereof correspond to the bolt holes of the hub.
And a polyurethane cylinder 3 in interference fit with the blind hole is arranged in the upper die blind hole 2-1, and the diameter and the height of each polyurethane cylinder are equal.
The upper die blind holes on the bottom surfaces of the polyurethane cylinders 3 are internally provided with compression bars 4 with the same height, the tops of the compression bars 4 are provided with convex edges 4-1, and the convex edges of the compression bars have the same thickness and are in clearance fit with the upper die blind holes. The bottom surface of the upper die base 2 is fixedly connected with a bottom cover plate 5 through bolts, the bottom cover plate is provided with through holes corresponding to the compression bars, and the compression bars are in clearance fit with the through holes.
The lower die base 6 is provided with a bulge 6-1 for supporting the center of a hub 7, the center of the bulge corresponds to the center of the die handle 1, the lower die base is provided with lower die blind holes 6-2 which are circumferentially distributed by taking the center of the bulge as the center of a circle and are used for accommodating hub bolts 8, the diameter of each lower die blind hole is 1-2mm larger than that of each hub bolt, and the center 6-2 of each lower die blind hole corresponds to the center of the compression bar 4.
The use method of the device is shown in figure 4, the boss 6-1 of the lower die holder 6 enables the hub 7 to be positioned, the hub 7 is rotated to enable the hub bolt hole of the hub 7 to be positioned with the lower die blind hole 6-2 of the lower die holder 6, the hub bolt 8 is placed in the hub bolt hole, when the press machine operates, the polyurethane cushion is used for elastically deforming and transmitting pressure, the 6 hub bolts can be compacted with the surface of the hub 7, and the defect that the T-shaped head of each hub bolt cannot be compacted when the thickness of the T-shaped head of each hub bolt is lower than.
Claims (2)
1. The utility model provides a wheel hub bolt push in device, includes upper die base and die shank and die holder, its characterized in that: the bottom surface of the upper die base is provided with upper die blind holes with equal diameter and equal depth which are circumferentially distributed by taking the center of a die handle as a circle center, the number of the upper die blind holes and the hole centers thereof correspond to bolt holes of a wheel hub, polyurethane cylinders in interference fit with the blind holes are arranged in the upper die blind holes, the diameters and the heights of the polyurethane cylinders are equal, compression rods with equal heights are arranged in the upper die blind holes at the bottom surface of the polyurethane cylinders, the tops of the compression rods are provided with convex edges, the thicknesses of the convex edges of the compression rods are equal and are in clearance fit with the upper die blind holes, the bottom surface of the upper die base is fixedly provided with a bottom cover plate, the bottom cover plate is; the lower die base is provided with a bulge for supporting the center of the hub, the center of the bulge corresponds to the center of the die handle, the lower die base is provided with lower die blind holes which are circumferentially distributed by taking the center of the bulge as a circle center and used for accommodating hub bolts, and the center of the lower die blind hole corresponds to the center of the pressure rod.
2. The hub bolt pressing apparatus according to claim 1, wherein: the upper die base is fixedly connected with the bottom cover plate through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752471.2U CN210907759U (en) | 2019-10-18 | 2019-10-18 | Hub bolt press-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752471.2U CN210907759U (en) | 2019-10-18 | 2019-10-18 | Hub bolt press-in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210907759U true CN210907759U (en) | 2020-07-03 |
Family
ID=71346010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921752471.2U Active CN210907759U (en) | 2019-10-18 | 2019-10-18 | Hub bolt press-in device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210907759U (en) |
-
2019
- 2019-10-18 CN CN201921752471.2U patent/CN210907759U/en active Active
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