CN111961838A - Small-size component clamping device for high-frequency vibration aging - Google Patents
Small-size component clamping device for high-frequency vibration aging Download PDFInfo
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- CN111961838A CN111961838A CN202011023054.1A CN202011023054A CN111961838A CN 111961838 A CN111961838 A CN 111961838A CN 202011023054 A CN202011023054 A CN 202011023054A CN 111961838 A CN111961838 A CN 111961838A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
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- Organic Chemistry (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
A small-size component clamping device for high-frequency vibration ageing, its characterized in that: comprises an adjusting device and a pressing device; the adjusting device comprises an adjusting beam, a first L-shaped upright post and a second L-shaped upright post; the pressing device comprises a stepped threaded rod, a pressing beam, a connecting threaded rod and a pressing block; the cushion block is arranged between the small-size component and the workbench of the high-frequency vibration energy amplifying device and is arranged at the pitch line position of the small-size component; the pressing blocks are arranged at two ends of the pitch line of the small-size component. The small-size component clamping device for high-frequency vibration aging provided by the invention has the advantage that the small-size component can vibrate according to the shape of the vibration mode, so that the effect of eliminating the residual stress of the small-size component by high-frequency vibration aging is improved.
Description
Technical Field
The invention relates to the technical field of vibratory stress relief, in particular to a small-size component clamping device for high-frequency vibratory stress relief.
Background
The vibration aging technology is a technology for eliminating the residual stress of a component by means of vibration. The traditional low-frequency vibration aging technology adopts an adjustable-speed motor as vibration excitation equipment, so that small-size components are difficult to clamp and carry out vibration excitation treatment, in addition, the vibration frequency of the adjustable-speed motor is usually less than 200Hz, the natural frequency of the small-size components is higher, and the first-order natural frequency of the small-size components can reach more than 1kHz usually, so that the traditional low-frequency vibration aging technology is difficult to carry out effective vibration excitation treatment on the small-size components. The high-frequency vibration aging technology adopts an electromagnetic vibration exciter as vibration excitation equipment, the highest vibration excitation frequency of the electromagnetic vibration exciter can reach more than 10kHz, and a small-size component can be directly clamped on the electromagnetic vibration exciter to carry out vibration excitation treatment, so that the small-size component can eliminate residual stress in a vibration mode. The invention patent (ZL201410037981.7) discloses a high-frequency vibration aging system for eliminating residual stress of small-size components and a high-frequency vibration aging method adaptive to the system, wherein a vibration level amplifying device is fixed on an excitation table surface of a moving part of a vibration table, the small-size components are clamped on an upper supporting table of the vibration level amplifying device through a U-shaped pressing block, and the small-size components are subjected to high-frequency vibration aging treatment at an excitation frequency with the maximum ratio of the output vibration level of the vibration level amplifying device to the output vibration level of the vibration table, so that the purpose of eliminating the residual stress of the small-size components can be achieved. However, in the technical solution disclosed in the patent, the small-sized member is directly and rigidly fixed on the upper supporting table, so that the small-sized member is difficult to vibrate according to the mode shape, and the effect of eliminating the residual stress of the small-sized member by high-frequency vibration aging is reduced. In order to solve the problems, the invention provides a small-size component clamping device for high-frequency vibration aging. The clamping device provided by the invention has the advantage that the small-size component can vibrate according to the shape of the vibration mode, so that the effect of eliminating the residual stress of the small-size component by high-frequency vibration aging is improved.
Disclosure of Invention
In order to solve the problem that the existing clamping mode limits the small-size component to vibrate according to the vibration mode shape of the small-size component, the invention provides a small-size component clamping device for high-frequency vibration aging.
The small-size component clamping device for high-frequency vibration aging comprises an adjusting device and a pressing device; the adjusting device comprises an adjusting beam, a first L-shaped upright post and a second L-shaped upright post; two ends of the adjusting beam are respectively connected with the first L-shaped upright post and the second L-shaped upright post; the first L-shaped upright post and the second L-shaped upright post are fixed on a workbench of the high-frequency vibration energy amplifying device through screws; the pressing device comprises a stepped threaded rod, a pressing beam, a connecting threaded rod and a pressing block; the large-diameter end of the stepped threaded rod penetrates through a rectangular sliding groove formed in the adjusting cross beam, and the stepped threaded rod is fixedly connected with the adjusting cross beam through two nuts; the small-diameter end of the stepped threaded rod penetrates through a through hole in the center of the compression cross beam, and the stepped threaded rod is fixedly connected with the compression cross beam through a nut; the pressing block is connected with the connecting threaded rod through a threaded hole in the center of the surface of the pressing block, the connecting threaded rod penetrates through a rectangular sliding groove formed in the pressing cross beam, and the pressing block is fixedly connected with the pressing cross beam through a nut; the cushion block is arranged between the small-size component and the workbench of the high-frequency vibration energy amplifying device and is arranged at the pitch line position of the small-size component; the pressing blocks are arranged at two ends of the pitch line of the small-size component.
The high-frequency vibration energy amplifying device is fixed on a vibration exciting table surface of a moving part of the electromagnetic vibration exciter; the high-frequency vibration energy amplifying device comprises a workbench for mounting small-size components, a supporting table fixed on the excitation table surface of the electromagnetic type vibration exciter moving part and a connecting rod for connecting the workbench and the supporting table.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: the adjusting beam and the L-shaped upright post are integrally formed.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: external threads are arranged at two ends of the stepped threaded rod; the connecting threaded rod is provided with an external thread; the center of the surface of the pressing block is provided with an internal thread.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: the width of a rectangular sliding groove arranged on the adjusting beam is larger than the diameter of the large-diameter end of the stepped threaded rod, and the length of the rectangular sliding groove arranged on the adjusting beam is larger than that of the small-size component; the length of the pressing beam is greater than the width of the small-size component; the width of the rectangular sliding groove arranged on the compressing beam is larger than the diameter of the connecting threaded rod; the diameter of the through hole formed in the center of the pressing beam is smaller than that of the large-diameter end of the stepped threaded rod, and the diameter of the through hole formed in the center of the pressing beam is larger than that of the small-diameter end of the stepped threaded rod.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: and rectangular sliding grooves are respectively arranged at two ends of the compressing beam.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: the pressing device moves and is fixed along the horizontal direction and the vertical direction of the adjusting beam, so that the small-size component is fixed on the workbench of the high-frequency vibration energy amplifying device by the pressing device, and the pressing block in the pressing device moves and is fixed along the horizontal direction of the pressing beam, so that the pressing block is positioned at two ends of a pitch line of the small-size component.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: the pressing block is an elastic pressing block; the cushion block is a cushion block with elasticity.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: the number of the pressing devices is equal to the number of the pitch lines; the number of pads is equal to the number of pitch lines.
Specifically, the small-size component clamping device for high-frequency vibration aging comprises an adjusting device and a pressing device; the adjusting device is fixed on a workbench of the high-frequency vibration energy amplifying device; arranging a cushion block at a pitch line of the small-sized member; the pressing device moves and is fixed along the horizontal direction and the vertical direction of the adjusting beam, so that the small-size component is fixed on the workbench of the high-frequency vibration energy amplifying device by the pressing device, and the pressing block in the pressing device moves and is fixed along the horizontal direction of the pressing beam, so that the pressing block is positioned at two ends of a pitch line of the small-size component.
The technical conception of the invention is as follows: a small-size component clamping device for high-frequency vibration aging is designed, the small-size component is clamped on a workbench of a high-frequency vibration energy amplifying device, the small-size component is made to vibrate according to the vibration mode shape of the small-size component, and the effect of eliminating residual stress of the small-size component in high-frequency vibration aging is improved.
The invention has the following beneficial effects:
1. the small-size component clamping device for high-frequency vibration aging has the advantages of simple structure, simplicity in operation and the like, and is convenient for operators to install and adjust.
2. According to the small-size component clamping device for high-frequency vibration aging, the small-size component is clamped on the workbench of the high-frequency vibration energy amplifying device by the elastic pressing block and the cushion block, so that the small-size component can vibrate according to the vibration shape of the small-size component, and the effect of eliminating the residual stress of the small-size component by high-frequency vibration aging is improved.
Drawings
FIG. 1 is a schematic view of a small-size member clamping device for high-frequency vibration aging.
Fig. 2 schematic view of the regulating device.
Fig. 3 is a schematic view of a compacting apparatus.
Fig. 4 is a schematic view of a stepped threaded rod.
FIG. 5 is a schematic view of the connection of the threaded rod and the press block.
FIG. 6 is a first order bending displacement mode diagram of a small-sized member.
FIG. 7 is a schematic view of a high-frequency vibration aging apparatus.
FIG. 8 is an assembly schematic view of a small size component clamping device for high frequency vibration aging.
Detailed Description
The invention is further illustrated with reference to the accompanying drawings:
the small-size component clamping device for high-frequency vibration aging comprises an adjusting device 1 and a pressing device 2; the adjusting device 1 comprises an adjusting beam 11, a first L-shaped upright 12 and a second L-shaped upright 13; two ends of the adjusting beam 11 are respectively connected with the first L-shaped upright post 12 and the second L-shaped upright post 13; the first L-shaped upright post 12 and the second L-shaped upright post 13 are fixed on a workbench 41 of the high-frequency vibration energy amplifying device 4 through screws 5; the pressing device 2 comprises a step-shaped threaded rod 21, a pressing beam 22, a connecting threaded rod 23 and a pressing block 25; the large-diameter end 211 of the stepped threaded rod 21 penetrates through a rectangular sliding groove formed in the adjusting cross beam 11, and the stepped threaded rod 21 is fixedly connected with the adjusting cross beam 11 through two nuts 3; the small-diameter end 212 of the stepped threaded rod 21 penetrates through a through hole in the center of the compression cross beam 22, and the stepped threaded rod 21 is fixedly connected with the compression cross beam 22 through a nut 26; the pressing block 25 is connected with the connecting threaded rod 23 through a threaded hole in the center of the surface of the pressing block 25, the connecting threaded rod 23 penetrates through a rectangular sliding groove formed in the compressing beam 22, and the pressing block 25 is fixedly connected with the compressing beam 22 through a nut 24.
FIG. 6 is a 45 mm 60mm 20mm 3mm#A first-order bending displacement mode shape diagram of the steel small-size component 6, wherein the natural frequency corresponding to the displacement mode shape is 4298.7 Hz; as shown in fig. 6, when the small-sized member 6 vibrates at the frequency, there are two pitch lines on the small-sized member 6, the vibration displacement on the pitch line is 0, and the two pitch lines are the pitch line 8 and the pitch line 9, respectively; the cushion block 7 is arranged between the small-sized component 6 and the workbench 41 of the high-frequency vibration energy amplifying device 4 and is arranged at the positions of the nodal lines 8 and 9 of the small-sized component 6; the pressing pieces 25 are provided at both ends of the nodal lines 8 and 9 of the small-size members 6.
Fig. 7 is a schematic diagram of the high-frequency vibration aging device, which comprises an electromagnetic vibration exciter and a high-frequency vibration energy amplifying device 4. The high-frequency vibration energy amplifying device 4 is fixed on the excitation table surface of the moving part of the electromagnetic vibration exciter; the high-frequency vibration energy amplifying device 4 includes a table 41 on which the small-sized member 6 is mounted, a support table 43 fixed to an excitation surface of the electromagnetic exciter moving member, and a link 42 connecting the table 41 and the support table.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: the adjusting beam 11 is integrally formed with a first L-shaped upright 12 and a second L-shaped upright 13.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: external threads are arranged at two ends of the stepped threaded rod 21; the connecting threaded rod 24 is provided with external threads; the center of the surface of the pressing block 25 is provided with an internal thread.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: the width of a rectangular sliding groove arranged on the adjusting beam 11 is larger than the diameter of the large-diameter end 211 of the stepped threaded rod 21, and the length of the rectangular sliding groove arranged on the adjusting beam 11 is larger than that of the small-size component 6; the length of the pressing beam 22 is greater than the width of the small-sized member 6; the width of the rectangular sliding groove arranged on the pressing beam 22 is larger than the diameter of the connecting threaded rod 24; the diameter of the through hole formed in the center of the pressing beam 22 is smaller than the diameter of the large-diameter end 211 of the stepped threaded rod 21, and the diameter of the through hole formed in the center of the pressing beam 22 is larger than the diameter of the small-diameter end 212 of the stepped threaded rod 21.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: rectangular sliding grooves are respectively arranged at two ends of the compressing beam 22.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: the pressing device 2 is moved and fixed in the horizontal direction and the vertical direction of the adjusting beam 11, so that the pressing device 2 fixes the small-sized member 6 on the table 41 of the high-frequency vibration energy amplifying device 4, and the pressing block 25 in the pressing device 2 is moved and fixed in the horizontal direction of the pressing beam 22, so that the pressing block 25 is located at both ends of the nodal lines 8 and 9 of the small-sized member 6.
The specific implementation is as follows: as shown in fig. 8, the horizontal direction and the vertical direction of the adjusting beam 11 are defined as an x-axis direction and a z-axis direction, respectively, and the horizontal direction of the pressing beam 22 is a y-axis direction, and in conjunction with fig. 6, the x-axis direction is defined as the length direction of the small-sized member 6, the y-axis direction is the width direction of the small-sized member 6, and the z-axis direction is the height direction of the small-sized member 6.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: the compact 25 is a compact having elasticity; the pad 7 is a pad having elasticity.
Further, a small-size component clamping device for high-frequency vibration ageing, its characterized in that: the number of the pressing devices 2 is equal to the number of the pitch lines; the number of spacers 7 is equal to the number of pitch lines.
Specifically, the small-size component clamping device for high-frequency vibration aging comprises an adjusting device 1 and a pressing device 2; the adjusting device 1 is fixed on a workbench 41 of the high-frequency vibration energy amplifying device 4; arranging spacers 7 at the pitch lines 8 and 9 of the small-sized members 6; the pressing device 2 is moved and fixed in the horizontal direction and the vertical direction of the adjusting beam 11, so that the pressing device 2 fixes the small-sized member 6 on the table 41 of the high-frequency vibration energy amplifying device 4, and the pressing block 25 in the pressing device 2 is moved and fixed in the horizontal direction of the pressing beam 22, so that the pressing block 25 is located at both ends of the nodal lines 8 and 9 of the small-sized member 6.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but rather by the equivalents thereof as may occur to those skilled in the art upon consideration of the present inventive concept.
Claims (8)
1. A small-size component clamping device for high-frequency vibration ageing, its characterized in that: comprises an adjusting device and a pressing device; the adjusting device comprises an adjusting beam, a first L-shaped upright post and a second L-shaped upright post; two ends of the adjusting beam are respectively connected with the first L-shaped upright post and the second L-shaped upright post; the first L-shaped upright post and the second L-shaped upright post are fixed on a workbench of the high-frequency vibration energy amplifying device through screws; the pressing device comprises a stepped threaded rod, a pressing beam, a connecting threaded rod and a pressing block; the large-diameter end of the stepped threaded rod penetrates through a rectangular sliding groove formed in the adjusting cross beam, and the stepped threaded rod is fixedly connected with the adjusting cross beam through two nuts; the small-diameter end of the stepped threaded rod penetrates through a through hole in the center of the compression cross beam, and the stepped threaded rod is fixedly connected with the compression cross beam through a nut; the pressing block is connected with the connecting threaded rod through a threaded hole in the center of the surface of the pressing block, the connecting threaded rod penetrates through a rectangular sliding groove formed in the pressing cross beam, and the pressing block is fixedly connected with the pressing cross beam through a nut; the cushion block is arranged between the small-size component and the workbench of the high-frequency vibration energy amplifying device and is arranged at the pitch line position of the small-size component; the pressing blocks are arranged at two ends of the pitch line of the small-size component.
2. The small-size member clamping device for high-frequency vibratory aging according to claim 1, characterized in that: the adjusting beam and the L-shaped upright post are integrally formed.
3. The small-size member clamping device for high-frequency vibratory aging according to claim 1, characterized in that: external threads are arranged at two ends of the stepped threaded rod; the connecting threaded rod is provided with an external thread; the center of the surface of the pressing block is provided with an internal thread.
4. The small-size member clamping device for high-frequency vibratory aging according to claim 1, characterized in that: the width of a rectangular sliding groove arranged on the adjusting beam is larger than the diameter of the large-diameter end of the stepped threaded rod, and the length of the rectangular sliding groove arranged on the adjusting beam is larger than that of the small-size component; the length of the pressing beam is greater than the width of the small-size component; the width of the rectangular sliding groove arranged on the compressing beam is larger than the diameter of the connecting threaded rod; the diameter of the through hole formed in the center of the pressing beam is smaller than that of the large-diameter end of the stepped threaded rod, and the diameter of the through hole formed in the center of the pressing beam is larger than that of the small-diameter end of the stepped threaded rod.
5. The small-size member clamping device for high-frequency vibratory aging according to claim 1, characterized in that: and rectangular sliding grooves are respectively arranged at two ends of the compressing beam.
6. The small-size member clamping device for high-frequency vibratory aging according to claim 1, characterized in that: the pressing device moves and is fixed along the horizontal direction and the vertical direction of the adjusting beam, so that the small-size component is fixed on the workbench of the high-frequency vibration energy amplifying device by the pressing device, and the pressing block in the pressing device moves and is fixed along the horizontal direction of the pressing beam, so that the pressing block is positioned at two ends of a pitch line of the small-size component.
7. The small-size member clamping device for high-frequency vibratory aging according to claim 1, characterized in that: the pressing block is an elastic pressing block; the cushion block is a cushion block with elasticity.
8. The small-size member clamping device for high-frequency vibratory aging according to claim 1, characterized in that: the number of the pressing devices is equal to the number of the pitch lines; the number of pads is equal to the number of pitch lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011023054.1A CN111961838A (en) | 2020-09-25 | 2020-09-25 | Small-size component clamping device for high-frequency vibration aging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011023054.1A CN111961838A (en) | 2020-09-25 | 2020-09-25 | Small-size component clamping device for high-frequency vibration aging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111961838A true CN111961838A (en) | 2020-11-20 |
Family
ID=73387565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011023054.1A Withdrawn CN111961838A (en) | 2020-09-25 | 2020-09-25 | Small-size component clamping device for high-frequency vibration aging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111961838A (en) |
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2020
- 2020-09-25 CN CN202011023054.1A patent/CN111961838A/en not_active Withdrawn
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Application publication date: 20201120 |