CN208459141U - A kind of fixed device of Almen test piece - Google Patents
A kind of fixed device of Almen test piece Download PDFInfo
- Publication number
- CN208459141U CN208459141U CN201820938819.6U CN201820938819U CN208459141U CN 208459141 U CN208459141 U CN 208459141U CN 201820938819 U CN201820938819 U CN 201820938819U CN 208459141 U CN208459141 U CN 208459141U
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- test piece
- almen
- cavity
- fixture block
- pedestal
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Abstract
The utility model relates to a kind of fixed devices of Almen test piece, and including the pedestal with cylindrical cavity, the mounting groove being axially distributed along cavity, the inner surface and the outer surface of the mounting groove perforation pedestal are offered on the pedestal；It further include being removably attached in the test piece fixture block in mounting groove, the test piece fixture block is plane close to the one side of cavity；When Almen test piece is axially removably installed in the plane along cavity, Almen test piece is tangent close to the one side and cavity outer circle of cavity.The fixture structure of the utility model is simple, it is easy for assemble or unload, Almen test piece replacement is convenient and efficient, modularized design is standardized to the fixation of Almen test piece fixture, it is versatile, it is capable of the inner bore shot blasting of accurate simulation various specifications, is conducive to the accuracy for improving working efficiency and test result.
Description
Technical field
The utility model relates to a kind of fixed devices of Almen test piece, more particularly, to determine metal parts inner shot-peening
The fixation device of intensity Almen test piece.
Background technique
The shot peening strengthening of metal parts makes part in the case where preloaded (such as: the compression of helical spring), passes through
The fatigue strength that shot-peening can significantly improve fatigue strength, especially high-tensile-strength steel can dramatically increase.Shot-peening generates shallow
Impression can be used as an oil keeper, and as hardening as a result, improving metal skin hardness, it will be apparent that it is rotten to reduce friction
Erosion.Many merits after the shot peening strengthening of metal surface are widely used in Aerospace Products field.
Crucial content is by fixture to simulate part by surface state is sprayed early period during shot-blast process, passes through preparatory mould
Quasi- metal is verified shot peening strength by spray surface state.Shot peening strength verifying is essential part during shot-peening, and verifying is strong
It spends low part and shot-peening effect is not achieved, it is possible to further influence metal surface coverage rate；Proof strength is excessively high to lead
Piece surface overvulcanization is caused, part anti-fatigue life can be reduced instead.
Shot peening strength is to establish coordinate curve by different shot-peening times and Almen test piece camber value to be calculated to determine
's.It, need to be according to the size of aperture (aperture >=30) when determining the shot peening strength in hole.The way of tradition inner hole verifying fixture is at present
Almen test piece fixture is directly placed into hole and is verified, Almen test piece fixture is integrally formed in inner hole, traditional way
The operation of Almen test piece clamping is loaded down with trivial details, and Almen test piece contact surface is not easy to protect, according to the SAEJ442 standard planarity requirements≤
0.025mm, traditional Almen test piece fixture standard flat reprocess maintenance cost height, and working efficiency is low, simulation hole diameter accuracy is poor,
Test result accuracy is not high, is not suitable for being used for a long time, and seriously affects Nadcap audit or other quality audits, influences product
Quality.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, it is solid to provide a kind of Almen test piece convenient for disassembly and assembly
Device is determined, to promote working efficiency.
In order to solve the above-mentioned technical problem, the technical solution of the utility model are as follows: a kind of fixed device of Almen test piece, packet
The pedestal with cylindrical cavity is included, the mounting groove being axially distributed along cavity, the mounting groove perforation are offered on the pedestal
The inner surface and the outer surface of pedestal；It further include being removably attached in the test piece fixture block in mounting groove, the test piece fixture block leans on
The one side of near-space chamber is plane；When Almen test piece is axially removably installed in the plane along cavity, Almen test piece is close
The one side of cavity and cavity outer circle are tangent.
It being designed using such structure, test piece fixture block is detachably secured in mounting groove, and it is convenient for disassembly and assembly, Almen is tried
Piece is installed on test piece fixture block, then test piece fixture block is fixed in mounting groove, can carry out shot peening strength verification test, convenient fast
It is prompt；In addition, for the verification test scene that need to be carried out continuously muti-piece Almen test piece, it can be in the test process of previous Almen test piece
In, latter Almen test piece is installed on new test piece fixture block, to previous off-test, at once replaceable test piece fixture block and
Almen test piece starts latter test, realizes long run test free of discontinuities, greatly promotes working efficiency.
Further, the mounting groove is located to offer respectively on two sides of cavity axis two sides and axially prolong along cavity
The groove stretched, the mounting groove and groove are along axial at least one end face for penetrating through pedestal simultaneously of cavity；The test piece fixture block with
The corresponding side of groove is equipped with guide rail with matching grooves, in this way, when fixed, directly by test piece fixture block from the one of mounting groove
End insertion, it is convenient and efficient.
Further, position corresponding with rail end is equipped with location hole on the pedestal.Preferably, the number of location hole
Amount is 2, is located at the corresponding position of two rail ends, and 2 location holes are pressed from both sides along the distance of cavity axial direction equal to test piece
The length of block.
Further, the Almen test piece is fixed on test piece fixture block by screw or bolt.
Further, position corresponding to Almen test piece edge offers screw hole on the test piece fixture block, is equipped in screw hole
Almen test piece is pressed on test piece fixture block by the nut of standard screws, standard screws, and nut can effectively limit Almen test piece
Radial displacement, screw rod can limit Almen test piece along axial or axial displacement.
Further, the test piece fixture block is regular hexahedron.
In the utility model, test piece fixture block and Almen test piece may be regarded as an integral module, and traditional inner bore shot blasting can be overcome strong
It spends and verifies integrally-built tedious operations, fixture is fixed difficult, and the later period, simulation inner hole, which inaccurately waits, to be lacked to standard flat Maintenance Difficulty
Point can formulate different verifying fixtures according to different inner holes, be standardized to the fixation of Almen test piece.
The pedestal of different size can be made according to the size of different-diameter, this being capable of accurate simulation bore area shot-peening
State, can convenient and efficient fixation and replacement test piece fixture block, later maintenance cost is low.
The fixture structure of the utility model is simple, easy for assemble or unload, and Almen test piece replacement is convenient and efficient, right
The fixation of Almen test piece fixture is standardized modularized design, versatile, is capable of the inner hole spray of accurate simulation various specifications
Ball avoids and does simulating piece progress inner hole verifying, is conducive to the accuracy for improving working efficiency and test result.
Detailed description of the invention
Fig. 1 is the three-dimensional view of the fixation device of the utility model the first embodiment.
Fig. 2 is the front view of the fixation device of the utility model the first embodiment.
Fig. 3 is the three-dimensional view at another visual angle of fixation device of the utility model the first embodiment.
Fig. 4 is the three-dimensional view of the test piece fixture block of the utility model the first embodiment.
Fig. 5 is the front view of the test piece fixture block of the utility model the first embodiment.
Fig. 6 is the top view of the test piece fixture block of the utility model the first embodiment.
Fig. 7 is the three-dimensional view of the pedestal of the utility model the first embodiment.
Fig. 8 is the front view of the pedestal of the utility model the first embodiment.
Fig. 9 is the top view of the pedestal of the utility model the first embodiment.
Specific embodiment
The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case where, the feature in the embodiments of the present invention and embodiment can be combined with each other.For sake of convenience, hereinafter such as
There is "upper", "lower", "left", "right" printed words, only indicates consistent with the upper and lower, left and right direction of attached drawing itself, not to structure
Play restriction effect.
As shown in Figures 1 to 9, the fixed device of a kind of Almen test piece, including the pedestal 3 with cylindrical cavity, the bottom
The mounting groove 5 being axially distributed along cavity is offered on seat 3, the mounting groove 5 penetrates through the inner surface and the outer surface of pedestal；Further include
It is removably attached in the test piece fixture block 1 in mounting groove 5, the test piece fixture block 1 is plane close to the one side of cavity；Almen
After test piece 2 is axially removably installed in the plane along cavity, one side and the outer circle of cavity 4 of the Almen test piece close to cavity
It is tangent.
The mounting groove 5 is located on two sides of cavity axis two sides offers the groove axially extending along cavity respectively
6, the mounting groove 5 and groove 6 are along axial at least one end face for penetrating through pedestal simultaneously of cavity；The test piece fixture block 1 and groove 6
Corresponding side is equipped with and the matched guide rail 7 of groove 6.
Position corresponding with 7 end of guide rail is equipped with location hole 8 on the pedestal.
The Almen test piece is fixed on test piece fixture block 1 by screw or bolt.
Position corresponding to Almen test piece edge offers screw hole on the test piece fixture block, is equipped with standard screws in screw hole
9, Almen test piece is pressed on test piece fixture block by the nut of standard screws.
The test piece fixture block is regular hexahedron.
The above-mentioned Almen test piece verifying general module for determining inner bore shot blasting intensity, as shown in Figure 1, specific embodiment party
Method are as follows:
1, by being further standardized to screw hole and location hole to test piece fixture block and groove size standardization, lead to
After crossing above-mentioned standard, which has versatility, need to only change base intracavity diameter according to different diameter of bores,
The precise intensity verifying of various diameter of bores can be coped with.
2, first standard Almen test piece 2 is fixed by screws on test piece fixture block, operator will be tried by guide rail and groove
Piece fixture block slides into pedestal, realizes assembly.Pedestal accurately fixes test piece fixture block position by groove location, is prevented by location hole
Almen test piece fixture slides during shot-peening.Fixed Almen test piece is just tangent with cavity outer circle, can accurately simulate interior
Pore size
3, by test piece fixture block process 4 standard M5 tapped through holes so that the test piece fixture block can be realized it is two-sided solid
Calibrate quasi- Almen test piece function.
4, it can be realized test piece fixture block by groove and location hole quick and precisely to install, and can be tried in first verifying
It can prepare second test piece verifying clamping during piece.Test piece fixture block can be protected in the case where preventing mechanical failure or corrosive environment
It deposits, can satisfy Nadcap checklist requirement.
To sum up, the utility model relates to the fixation device of metal parts inner shot blasting on surface intensity arc-height test piece, knots
Structure is simple, easy for assemble or unload, and later maintenance is convenient.Modularization inner hole pedestal, Almen test piece and modularization test piece fixture block, energy
Enough accurate simulation hole sizes, and therefore improve work efficiency and the accuracy of test result, the later period is to standard test piece fixture block
Safeguard simple and economic, preservation convenience；Test piece fixture block can be used as consumptive material use, test previous without having to worry about test piece fixture block
It is damaged in journey, and influences follow-up test.
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the utility model,
Rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art are practical new to this
The modification of the various equivalent forms of type each falls within the application range as defined in the appended claims.
Claims (6)
1. the fixed device of a kind of Almen test piece, including the pedestal (3) with cylindrical cavity, which is characterized in that the pedestal
(3) mounting groove (5) being axially distributed along cavity, the inner surface and the outer surface of mounting groove (5) the perforation pedestal are offered on；Also
Including being removably attached in the test piece fixture block (1) in mounting groove (5), the test piece fixture block (1) is close to the one side of cavity
Plane；When Almen test piece is axially removably installed in the plane along cavity, one side and sky of the Almen test piece close to cavity
Chamber outer circle is tangent.
2. the fixed device of Almen test piece according to claim 1, which is characterized in that the mounting groove (5) is located at cavity axis
It is offered respectively on two sides of line two sides along the axially extending groove of cavity (6), the mounting groove (5) and groove (6) edge
Axial at least one end face for penetrating through pedestal simultaneously of cavity；The test piece fixture block (1) side corresponding with groove (6) is equipped with
With groove (6) matched guide rail (7).
3. the fixed device of Almen test piece according to claim 2, which is characterized in that on the pedestal with guide rail (7) end
Corresponding position is equipped with location hole (8).
4. the fixed device of Almen test piece according to claim 1, which is characterized in that the Almen test piece by screw or
Bolt is fixed on test piece fixture block (1).
5. the fixed device of Almen test piece according to claim 4, which is characterized in that Almen test piece on the test piece fixture block
Position corresponding to edge offers screw hole, is equipped with standard screws (9) in screw hole, and the nuts of standard screws is by Almen test piece pressure
Tightly on test piece fixture block.
6. the fixed device of Almen test piece according to claim 4, which is characterized in that the test piece fixture block is regular hexahedron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820938819.6U CN208459141U (en) | 2018-06-19 | 2018-06-19 | A kind of fixed device of Almen test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820938819.6U CN208459141U (en) | 2018-06-19 | 2018-06-19 | A kind of fixed device of Almen test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208459141U true CN208459141U (en) | 2019-02-01 |
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ID=65161053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820938819.6U Active CN208459141U (en) | 2018-06-19 | 2018-06-19 | A kind of fixed device of Almen test piece |
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| Country | Link |
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| CN (1) | CN208459141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237743A (en) * | 2021-06-10 | 2021-08-10 | 浙江久立特材科技股份有限公司 | Test piece fixing device for pipeline surface shot blasting strength test |
| CN113484343A (en) * | 2021-06-25 | 2021-10-08 | 成都飞机工业（集团）有限责任公司 | Detection method for detection performance of hole type defects of 3D printing workpiece |
-
2018
- 2018-06-19 CN CN201820938819.6U patent/CN208459141U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237743A (en) * | 2021-06-10 | 2021-08-10 | 浙江久立特材科技股份有限公司 | Test piece fixing device for pipeline surface shot blasting strength test |
| CN113237743B (en) * | 2021-06-10 | 2023-10-27 | 浙江久立特材科技股份有限公司 | Test piece fixing device that pipeline surface shot peening intensity test used |
| CN113484343A (en) * | 2021-06-25 | 2021-10-08 | 成都飞机工业（集团）有限责任公司 | Detection method for detection performance of hole type defects of 3D printing workpiece |
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