CN203956137U - A kind of milling positioning tool with inner hole part - Google Patents
A kind of milling positioning tool with inner hole part Download PDFInfo
- Publication number
- CN203956137U CN203956137U CN201420396074.7U CN201420396074U CN203956137U CN 203956137 U CN203956137 U CN 203956137U CN 201420396074 U CN201420396074 U CN 201420396074U CN 203956137 U CN203956137 U CN 203956137U
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- expansion sleeve
- shaft
- main locating
- annular expansion
- locating shaft
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Abstract
The purpose of this utility model is to solve problems of the prior art, a kind of milling positioning tool with inner hole part is provided, this frock can be carried out accurate, stable location to the existing special-shaped part with endoporus, to improve crudy and the production efficiency of part.Technical solutions of the utility model comprise main locating shaft, annular expansion sleeve, pressing plate and bolt; Described annular expansion sleeve is sheathed on main locating shaft, and described pressing plate is located on annular expansion sleeve, between described pressing plate and main locating shaft, is bolted.
Description
Technical field
The utility model relates to frock field, is specifically related to a kind of milling positioning tool with inner hole part.
Background technology
For some out-of-shapes but with the special-shaped part of endoporus, generally adopt optical axis to pass endoporus and position.Because the working position of this special-shaped part is many, therefore adopt this locate mode, not only the centering time long, simultaneously clamping is also unstable, thereby causes crudy poor, production efficiency is low.
Utility model content
The purpose of this utility model is to solve problems of the prior art, a kind of milling positioning tool with inner hole part is provided, this frock can be carried out accurate, stable location to the existing special-shaped part with endoporus, to improve crudy and the production efficiency of part.
Technical solutions of the utility model comprise main locating shaft, annular expansion sleeve, pressing plate and bolt; Described annular expansion sleeve is sheathed on main locating shaft, and described pressing plate is located on annular expansion sleeve, between described pressing plate and main locating shaft, is bolted.
Described main locating shaft is multidiameter, and the upper level shaft part of described multidiameter is the diminished shaft that external diameter reduces from bottom to top gradually, and the external diameter of described diminished shaft below shaft part is greater than diminished shaft maximum outside diameter; Described main locating shaft upper surface center is provided with the screwed hole coordinating with bolt.
Described pressing plate center is provided with the through hole coordinating with bolt.
Described annular expansion sleeve is sheathed on outside the diminished shaft of main locating shaft, and described annular expansion sleeve inwall is the taper surface matching with the diminished shaft outer wall of described main locating shaft.
Described annular expansion sleeve is hard elastic material.
Described positioning tool also comprises spring, and described spring housing is located at the diminished shaft bottom of described main locating shaft, and upper end contacts with described annular expansion sleeve bottom.
The beneficial effects of the utility model are:
1, the main locating shaft in the utility model is multidiameter, can carry out radial location and axial location to the endoporus of special-shaped part to be processed, on the basis of traditional optical axis location, improves the precision and stability of location.
2, owing to being provided with spring below annular expansion sleeve, therefore tight a bolt downwards while making pressing plate push annular expansion sleeve downwards, spring can provide a coupling mechanism force to bolt, makes whole device more stable in the time that irregular part is located.
3, the mating surface of annular expansion sleeve and main locating shaft is taper surface, is convenient to the dismounting of device.
4, whole apparatus structure is simple, easy to use.
Brief description of the drawings
Fig. 1 is the cutaway view of part brake-shoe floor piece to be processed.
Fig. 2 is overall structure cutaway view of the present utility model.
Fig. 3 is the cutaway view of main locating shaft in Fig. 2.
Fig. 4 is the schematic diagram that the utility model is combined with part to be processed.
Detailed description of the invention
Taking motor vehicle brake shoe floor piece as part to be processed, describe by reference to the accompanying drawings embodiment of the present utility model in detail below.
Be illustrated in figure 1 the cutaway view of motor vehicle brake shoe floor piece 1, the positioning tool described in the present embodiment is by realizing location with endoporus 2 and coordinating of end face 3 in brake-shoe floor piece 1, as shown in Figure 4.
As shown in Figures 2 and 3, the technical scheme of the present embodiment comprises main locating shaft 4, annular expansion sleeve 6, pressing plate 7, bolt 8 and spring 5; Annular expansion sleeve 6 is sheathed on main locating shaft 4, and pressing plate 7 is located on annular expansion sleeve 6, fixing by bolt 8 between pressing plate 7 and main locating shaft 4.
In the present embodiment, main locating shaft 4 is multidiameter, and the upper level shaft part of multidiameter is the diminished shaft that external diameter reduces from bottom to top gradually, and the external diameter of diminished shaft below shaft part is greater than diminished shaft maximum outside diameter; Main locating shaft 4 upper surface centers are provided with the screwed hole coordinating with bolt 8, and pressing plate 7 centers are provided with the through hole coordinating with bolt 8.
In the present embodiment, annular expansion sleeve 6 is sheathed on outside the diminished shaft of main locating shaft 4, and annular expansion sleeve 6 inwalls are the taper surface matching with the diminished shaft outer wall of main locating shaft 4.
In the present embodiment, annular expansion sleeve 6 is hard elastic material.
In the present embodiment, spring 5 is sheathed on the diminished shaft bottom of main locating shaft 4, and upper end contacts with annular expansion sleeve 6 bottoms.
The positioning principle of this device is below described:
First spring 5 and annular expansion sleeve 6 are set on the diminished shaft 41 of main locating shaft 4, spring 5 is positioned at annular expansion sleeve 6 belows, then the endoporus 2 of brake-shoe floor piece 1 to be processed is enclosed within to the outside of annular expansion sleeve 6, ensure that end face 3 contacts with the upper surface of main locating shaft 4 epicone oblique crank Z lower shaft sections simultaneously, pressing plate 7 is placed in to annular expansion sleeve 6 tops, and bolt 8 is connected with the screwed hole at main locating shaft 4 centers through central through hole.
Tight a bolt 8 downwards, make pressing plate 7 constantly push annular expansion sleeve 6 downwards, because annular expansion sleeve 6 is hard elastic material, and below is provided with spring 5, therefore when annular expansion sleeve 6 moves down after a segment distance under pressure, can produce and be radially expanded, being radially expanded of annular expansion sleeve 6 can produce outside radial pressure to the endoporus 2 of brake-shoe floor piece 1, along with bolt 8 is constantly tightened downwards, radial pressure can constantly increase, thereby plays the radial location effect to brake-shoe floor piece 1.
The upper surface of the main locating shaft 4 epicone oblique crank Z lower shaft sections in lower surface 3 of brake-shoe floor piece 1 contacts, and has ensured the axial location of brake-shoe floor piece 1.
In the present embodiment, it should be noted that, annular expansion sleeve 6 inwalls are taper surface, the higher level's shaft part of main locating shaft 4 is diminished shaft, below annular expansion sleeve 6, Compress Spring 5 is set simultaneously, this design ensures only to need loose bolts 8, can, by whole device dismounting, make unloading process convenient, fast by spring 5 elastic force upwards.
In the present embodiment, spring 5 also plays the locking effect in position fixing process to whole device.This device to the position fixing process of brake-shoe floor piece 1 in, spring 5 produces elastic force upwards, elastic force makes annular expansion sleeve 6 upwards promote pressing plate 7,7 of pressing plates upward pressure to 8 one, bolt, this pressure plays locking effect to bolt 8.
Claims (6)
1. the milling positioning tool with inner hole part, is characterized in that: described positioning tool comprises main locating shaft, annular expansion sleeve, pressing plate and bolt; Described annular expansion sleeve is sheathed on main locating shaft, and described pressing plate is located on annular expansion sleeve, between described pressing plate and main locating shaft, is bolted.
2. positioning tool according to claim 1, it is characterized in that: described main locating shaft is multidiameter, the upper level shaft part of described multidiameter is the diminished shaft that external diameter reduces from bottom to top gradually, and the external diameter of described diminished shaft below shaft part is greater than diminished shaft maximum outside diameter; Described main locating shaft upper surface center is provided with the screwed hole coordinating with bolt.
3. positioning tool according to claim 2, is characterized in that: described pressing plate center is provided with the through hole coordinating with bolt.
4. positioning tool according to claim 1, is characterized in that: described annular expansion sleeve is sheathed on outside the diminished shaft of main locating shaft, and described annular expansion sleeve inwall is the taper surface matching with the diminished shaft outer wall of described main locating shaft.
5. positioning tool according to claim 4, is characterized in that: described annular expansion sleeve is hard elastic material.
6. positioning tool according to claim 1, is characterized in that: described positioning tool also comprises spring, and described spring housing is located at the diminished shaft bottom of described main locating shaft, and upper end contacts with described annular expansion sleeve bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420396074.7U CN203956137U (en) | 2014-07-18 | 2014-07-18 | A kind of milling positioning tool with inner hole part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420396074.7U CN203956137U (en) | 2014-07-18 | 2014-07-18 | A kind of milling positioning tool with inner hole part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203956137U true CN203956137U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420396074.7U Active CN203956137U (en) | 2014-07-18 | 2014-07-18 | A kind of milling positioning tool with inner hole part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203956137U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108544784A (en) * | 2018-04-14 | 2018-09-18 | 六和电子（江西）有限公司 | A kind of capacitance battery core hot pressing hydraulic forming machine of movement easy to disassemble |
| CN112276220A (en) * | 2020-10-28 | 2021-01-29 | 中国航发贵州黎阳航空动力有限公司 | A compress tightly frock for aeroengine low pressure turbine dish |
-
2014
- 2014-07-18 CN CN201420396074.7U patent/CN203956137U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108544784A (en) * | 2018-04-14 | 2018-09-18 | 六和电子（江西）有限公司 | A kind of capacitance battery core hot pressing hydraulic forming machine of movement easy to disassemble |
| CN112276220A (en) * | 2020-10-28 | 2021-01-29 | 中国航发贵州黎阳航空动力有限公司 | A compress tightly frock for aeroengine low pressure turbine dish |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |