CN219275625U - High-precision positioning tray for rocker arm parts - Google Patents
High-precision positioning tray for rocker arm parts Download PDFInfo
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- CN219275625U CN219275625U CN202223542285.0U CN202223542285U CN219275625U CN 219275625 U CN219275625 U CN 219275625U CN 202223542285 U CN202223542285 U CN 202223542285U CN 219275625 U CN219275625 U CN 219275625U
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- supporting plate
- concentric
- positioning
- tray
- rocker arm
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a high-precision positioning tray for rocker arm parts, which comprises a tray body, a zero positioning mechanism and a positioning sleeve, and is technically characterized in that: the tray body comprises an upper supporting plate, a lower supporting plate and a cushion block arranged between the upper supporting plate and the lower supporting plate, wherein a through hole corresponding to the positioning sleeve is arranged in the upper supporting plate, a lower annular slideway concentric with the through hole is arranged on the upper surface of the upper supporting plate, a concentric nut is supported by the lower annular slideway, axial limiting parts are symmetrically arranged on two sides of the concentric nut by the upper supporting plate, an annular sliding block matched with the lower annular slideway is arranged on the lower end face of the concentric nut, an external thread section matched with an internal thread hole of the concentric nut is arranged on the outer peripheral surface of the positioning sleeve, a concentric elastic support corresponding to the through hole is arranged on the upper surface of the lower supporting plate, and the upper surface of the concentric elastic support is propped against the bottom surface of the positioning sleeve. The utility model solves the problem that the height of the locating sleeve of the existing locating tray cannot be flexibly adjusted, and meanwhile, the locating sleeve is convenient to replace, and the high-efficiency use of the locating tray is not affected.
Description
Technical Field
The utility model relates to the technical field of rocker arm part production equipment, in particular to a high-precision positioning tray for rocker arm parts.
Background
The rocker arm type part is widely applied to various transmission structures, and because the specification types are more, the positioning fixture is required to be frequently replaced during machining, in order to ensure that the zero point positions of machining are consistent, a positioning tray is usually arranged on the machining machine, and when the rocker arm type part is used, the positioning fixture is placed on the positioning tray and is locked and fixed for machining operation.
The existing positioning tray consists of a tray body, a zero positioning mechanism arranged in the center of the tray body and positioning sleeves arranged around the zero positioning mechanism, and the following problems mainly exist during use: the locating sleeve is arranged on the bottom surface of the locating fixture, the lower end of the locating column is inserted into the central hole of the locating sleeve to realize locating, the clamp is prevented from rotating and displacing with the tray in the working process, but the height cannot be adjusted after the existing locating sleeve is installed and fixed, the higher requirements are provided for the consistency of the length of the locating column of the locating fixture and the consistency of the bottom support body of the locating fixture, the locating sleeve is directly tapped and connected with the tray body in a threaded manner, the height of the locating sleeve is adjusted, the situation that the screw is seriously worn is caused, the whole tray body needs to be re-tapped and installed with the new locating sleeve, and time is wasted, so that the locating fixture is not beneficial to efficient use.
Disclosure of Invention
The utility model aims to provide the rocker arm part high-precision positioning tray which is reasonable in structure and reliable in use, solves the problem that the height of the positioning sleeve of the existing positioning tray cannot be flexibly adjusted, is convenient to replace, and does not influence the efficient use of the positioning tray.
The technical scheme of the utility model is as follows:
the utility model provides a rocking arm class part high accuracy location tray, includes the tray body, locates the zero point positioning mechanism at tray body center, locates the spacer bush around the zero point positioning mechanism, its technical essential is: the tray body comprises parallel arrangement's upper supporting plate, lower backup pad, locate upper and lower backup pad between, be equipped with the through-hole that corresponds the spacer sleeve in the upper supporting plate, upper supporting plate upper surface be equipped with the concentric lower annular slide of through-hole and utilize lower annular slide to support concentric nut, upper supporting plate is equipped with axial limiter in concentric nut bilateral symmetry, concentric nut's lower terminal surface is equipped with lower annular slide complex annular slider, the outer peripheral face of spacer sleeve is equipped with the internal thread hole complex external screw thread section with concentric nut, the upper surface of lower supporting plate is equipped with the concentric elastic support who corresponds with the through-hole, concentric elastic support's upper surface and spacer sleeve bottom surface top are leaned on together.
The rocker arm type part high-precision positioning tray comprises a horizontal section connected with the upper supporting plate, a vertical section connected with the horizontal section, a cantilever section connected with the vertical section and an upper pressing block connected with the tail end of the cantilever section, wherein the upper end face of the concentric nut is provided with an upper annular slideway corresponding to the upper pressing block, and the upper pressing block is positioned in the upper annular slideway.
The rocker arm type part high-precision positioning tray comprises a spring and a baffle plate arranged at the top of the spring, wherein the lower end of the spring is fixedly connected with a lower supporting plate, the lower surface of the baffle plate is provided with a lower positioning groove connected with the upper end of the spring, and the upper surface of the baffle plate is provided with an upper positioning groove corresponding to the positioning sleeve.
According to the high-precision positioning tray for the rocker arm parts, the inner wall of the central hole in the positioning sleeve is coated with the wear-resistant coating.
According to the rocker arm part high-precision positioning tray, the upper surface of the upper supporting plate and the lower annular slideway are both covered with the wear-resistant coating.
According to the rocker arm type part high-precision positioning tray, the outer surface of the concentric nut is coated with the wear-resistant coating.
The beneficial effects of the utility model are as follows:
the concentric nut is axially positioned by adopting the axial limiting part, the concentric nut is radially positioned by adopting the lower annular slideway, so that the concentric nut does not move axially and can only rotate around the center of the through hole, the locating sleeve is driven to ascend or descend when the concentric nut is rotated, the concentric elastic support is propped against the locating sleeve when the locating sleeve ascends or descends, and when the concentric nut stops rotating, the concentric elastic support compresses threads of the concentric nut and the locating sleeve, thereby avoiding the locating sleeve from rotating and displacing due to environmental vibration and realizing axial positioning. The utility model solves the problem that the height of the locating sleeve of the existing locating tray cannot be flexibly adjusted, and meanwhile, the locating sleeve is convenient to replace, and the high-efficiency use of the locating tray is not affected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged view of a portion C in fig. 2.
In the figure: 1. the device comprises an upper supporting plate, a zero point positioning mechanism, a cushion block, a lower supporting plate, a concentric nut, an upper annular slideway, a cantilever section, a positioning sleeve, a wear-resistant coating, a vertical section, a horizontal section, a upper pressing block, a baffle plate, a spring and an annular sliding block.
Detailed Description
The utility model will be described in detail with reference to the drawings.
As shown in fig. 1 to 4, the high-precision positioning tray for rocker arm parts comprises a tray body, a zero point positioning mechanism 2 arranged in the center of the tray body and positioning sleeves 8 arranged around the zero point positioning mechanism 2.
The tray body is composed of an upper supporting plate 1, a lower supporting plate 4 and a cushion block 3 arranged between the upper supporting plate and the lower supporting plate in parallel. The upper supporting plate 1 is provided with a through hole corresponding to the positioning sleeve 8, the upper surface of the upper supporting plate 1 is provided with a lower annular slideway concentric with the through hole, and the lower annular slideway is used for supporting the concentric nut 5. The upper supporting plate 1 is symmetrically provided with axial limiting parts at two sides of the concentric nut 5. The lower end face of the concentric nut 5 is provided with an annular sliding block 15 matched with the lower annular slideway, the outer circumferential surface of the positioning sleeve 8 is provided with an external thread section matched with an internal thread hole of the concentric nut 5, the upper surface of the lower supporting plate 4 is provided with a concentric elastic support corresponding to the through hole, and the upper surface of the concentric elastic support is propped against the bottom surface of the positioning sleeve 8.
In this embodiment, the axial limiting member is composed of a horizontal section 11 connected with the upper support plate 1, a vertical section 10 connected with the horizontal section 11, a cantilever section 7 connected with the vertical section 10, and an upper pressing block 12 connected with the end of the cantilever section 7. An upper annular slideway 6 corresponding to the upper pressing block 12 is arranged on the upper end surface of the concentric nut 5, and the upper pressing block 12 is positioned in the upper annular slideway 6. The concentric elastic support consists of a spring 14 and a baffle plate 13 arranged at the top of the spring 14, wherein the lower end of the spring 14 is fixedly connected with a lower supporting plate 13, the lower surface of the baffle plate 13 is provided with a lower positioning groove connected with the upper end of the spring 14, and the upper surface of the baffle plate is provided with an upper positioning groove corresponding to the positioning sleeve 8.
The inner wall of the central hole in the positioning sleeve 8 is covered with a wear-resistant coating 9. The upper surface of the upper supporting plate 1 and the lower annular slideway are covered with a wear-resistant coating. The outer surface of the concentric nut 5 is coated with a wear-resistant coating.
Working principle:
when the positioning fixture is used, the zero point positioning mechanism 2 is combined with the matching structure of the center of the lower surface of the positioning fixture, the concentric nuts 5 are additionally rotated in advance, so that the four positioning sleeves 8 are assembled with the four positioning columns of the lower surface of the positioning fixture in an inserting way, and the supporting body of the lower surface of the positioning fixture is supported on the upper supporting plate 1 and locked and fixed.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a rocking arm class part high accuracy location tray, includes the tray body, locates the zero point positioning mechanism at tray body center, locates the spacer bush around the zero point positioning mechanism, its characterized in that: the tray body comprises parallel arrangement's upper supporting plate, lower backup pad, locate upper and lower backup pad between, be equipped with the through-hole that corresponds the spacer sleeve in the upper supporting plate, upper supporting plate upper surface be equipped with the concentric lower annular slide of through-hole and utilize lower annular slide to support concentric nut, upper supporting plate is equipped with axial limiter in concentric nut bilateral symmetry, concentric nut's lower terminal surface is equipped with lower annular slide complex annular slider, the outer peripheral face of spacer sleeve is equipped with the internal thread hole complex external screw thread section with concentric nut, the upper surface of lower supporting plate is equipped with the concentric elastic support who corresponds with the through-hole, concentric elastic support's upper surface and spacer sleeve bottom surface top are leaned on together.
2. The rocker arm type part high-precision positioning tray according to claim 1, wherein: the axial limiting part consists of a horizontal section connected with the upper supporting plate, a vertical section connected with the horizontal section, a cantilever section connected with the vertical section and an upper pressing block connected with the tail end of the cantilever section, wherein the upper end face of the concentric nut is provided with an upper annular slideway corresponding to the upper pressing block, and the upper pressing block is positioned in the upper annular slideway.
3. The rocker arm type part high-precision positioning tray according to claim 1, wherein: the concentric elastic support consists of a spring and a baffle plate arranged at the top of the spring, the lower end of the spring is fixedly connected with a lower supporting plate, the lower surface of the baffle plate is provided with a lower positioning groove connected with the upper end of the spring, and the upper surface of the baffle plate is provided with an upper positioning groove corresponding to the positioning sleeve.
4. The rocker arm type part high-precision positioning tray according to claim 1, wherein: the inner wall of the central hole in the positioning sleeve is covered with a wear-resistant coating.
5. The rocker arm type part high-precision positioning tray according to claim 1, wherein: and the upper surface of the upper supporting plate and the lower annular slideway are covered with a wear-resistant coating.
6. The rocker arm type part high-precision positioning tray according to claim 1, wherein: the outer surface of the concentric nut is coated with a wear-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223542285.0U CN219275625U (en) | 2022-12-30 | 2022-12-30 | High-precision positioning tray for rocker arm parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223542285.0U CN219275625U (en) | 2022-12-30 | 2022-12-30 | High-precision positioning tray for rocker arm parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219275625U true CN219275625U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223542285.0U Active CN219275625U (en) | 2022-12-30 | 2022-12-30 | High-precision positioning tray for rocker arm parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219275625U (en) |
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2022
- 2022-12-30 CN CN202223542285.0U patent/CN219275625U/en active Active
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