CN214722853U - High-precision valve grinder valve positioning device - Google Patents
High-precision valve grinder valve positioning device Download PDFInfo
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- CN214722853U CN214722853U CN202120723018.XU CN202120723018U CN214722853U CN 214722853 U CN214722853 U CN 214722853U CN 202120723018 U CN202120723018 U CN 202120723018U CN 214722853 U CN214722853 U CN 214722853U
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- positioning
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- ball head
- setting element
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Abstract
The utility model discloses a high-accuracy valve grinder valve positioner, drive actuating cylinder including the location drive actuating cylinder the location drives the overhanging end of piston rod of actuating cylinder and installs the position sleeve, is equipped with bulb supporting hole at the position sleeve front end, has pegged graft the setting element in bulb supporting hole, and this setting element is pegged graft in bulb supporting hole through the bulb portion activity of rear end, and the setting element front end is equipped with the positioning disk, is equipped with locating lug in the positioning disk outer end, and locating lug follows the circumference equipartition on the terminal surface outside the positioning disk install O type elastic ring on the pore wall of bulb supporting hole, and the bulb portion of setting element is located this O type elastic ring inboard, and the surface and the laminating of O type elastic ring of bulb portion. Adopt the utility model discloses a high-accuracy valve grinding machine valve positioner can adapt to the positioning requirement of the big end terminal surface of the ordinary precision of valve, guarantees positioning accuracy.
Description
Technical Field
The utility model relates to an instrument for the grinding machine especially relates to a high accuracy valve positioner for valve grinding machine.
Background
The valve conical surface is the main working surface of the valve, and the machining precision of the valve conical surface has great influence on the performance of an engine. In the grinding processing of the valve conical surface, the valve clamping position must be accurately positioned to ensure the position size precision after the valve conical surface is processed, the end surface of the large end of the valve is a positioning reference surface which is commonly used in the valve processing, but the surface shape and the position precision of the end surface of the large end of the valve are not high, the surface is taken as the positioning reference surface, positioning errors can be caused frequently to influence the position size precision of the valve grinding processing, if the manufacturing precision of the end surface of the large end of the valve is improved in the previous working procedure, the positioning requirement in the valve grinding processing can be ensured, but the manufacturing cost is inevitably increased.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art exists, the utility model aims to solve the technical problem that a high accuracy valve grinder valve positioning device is provided, and it can adapt to the location requirement of the main aspects terminal surface of the ordinary precision of valve, guarantees positioning accuracy.
In order to solve the technical problem, the utility model discloses a high-accuracy valve grinder valve positioner, drive the actuating cylinder including the location drives the overhanging end of piston rod of actuating cylinder and installs the position sleeve, is equipped with bulb supporting hole at the position sleeve front end, has pegged graft the setting element in bulb supporting hole, and this setting element is pegged graft in bulb supporting hole through the bulb portion activity of rear end, and the setting element front end is equipped with the positioning disk, is equipped with locating convex block in the positioning disk outer end, and locating convex block follows the circumference equipartition on the terminal surface outside the positioning disk install O type elastic ring on the pore wall of bulb supporting hole, and the bulb portion of setting element is located this O type elastic ring inboard, and the surface and the laminating of O type elastic ring of bulb portion.
In the structure, the positioning sleeve is installed at the extending end of the piston rod of the positioning driving cylinder, the ball head supporting hole is formed in the front end of the positioning sleeve, the positioning piece is connected in the ball head supporting hole in an inserted mode, the positioning piece is movably connected in the ball head supporting hole in the rear end in an inserted mode, the positioning piece is connected in the ball head supporting hole of the positioning sleeve in an inserted mode through the ball head, the ball head and the ball head supporting hole are connected like a ball hinge, the positioning piece can change positions in a certain range by 360 degrees around the axis of the positioning sleeve, therefore, the positioning device can meet the low positioning requirement when the accuracy requirement of the end face position of the valve is met, and the positioning accuracy is guaranteed.
And because the positioning disk is arranged at the front end of the positioning piece, the positioning lugs are arranged at the outer end of the positioning disk and are uniformly distributed on the outer end face of the positioning disk along the circumferential direction, the positioning disk at the front end of the positioning piece is in positioning contact with the end face of the valve through the positioning lugs, and the contact area between the positioning disk and the end face of the valve is reduced, so that the positioning device can meet the positioning requirement when the requirement on the shape precision of the end face of the valve is not high, has a good positioning effect and ensures the positioning precision.
Still owing to install O type elastic ring on the pore wall of bulb supporting hole, the bulb portion of setting element is located this O type elastic ring inboard, and the surface and the laminating of O type elastic ring of bulb portion then set up O type elastic ring can play limiting displacement to the setting element, avoids the setting element to follow roll-off in the bulb supporting hole, does not influence the swing joint between setting element and the bulb supporting hole yet simultaneously.
The utility model discloses a preferred embodiment the position sleeve front end is equipped with the bulb seat, bulb supporting hole sets up on the bulb seat. By adopting the embodiment, the structure of the positioning sleeve can be simplified, the ball head seat can be made of wear-resistant materials different from the positioning sleeve, and the manufacturing cost of the positioning sleeve is reduced.
In another preferred embodiment of the present invention, the ball head supporting hole includes a cylindrical hole section and a conical hole section located at the bottom of the cylindrical hole section. By adopting the embodiment, the ball head bearing hole has a simple structure and can meet the requirement of ball head bearing.
In another preferred embodiment of the present invention, the O-ring is mounted on the cylindrical hole section of the ball head support hole. By adopting the implementation mode, the limiting requirement on the ball head part of the positioning piece can be met.
The utility model discloses further preferred embodiment, the location drives actuating cylinder and is the adjustable type cylinder of stroke. By adopting the embodiment, the positioning requirements of different valves can be met by adjusting the stroke of the piston of the air cylinder.
In another preferred embodiment of the present invention, three to five positioning protrusions are disposed at the outer end of the positioning plate. By adopting the embodiment, the three to five positioning lugs can meet the positioning requirement for ensuring the positioning precision when the requirement on the shape precision of the end face of the air valve is not high by reducing the contact area.
Drawings
The high-precision valve grinding machine valve positioning device of the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of a specific embodiment of the valve positioning device of the high-precision valve grinding machine of the present invention;
FIG. 2 is an axial cross-sectional view of the positioning sleeve and positioning member of the structure shown in FIG. 1.
In the figure: 1-positioning piece, 2-positioning sleeve, 3-positioning driving cylinder, 4-positioning driving cylinder seat, 5-positioning lug, 6-positioning disk, 7-O type elastic ring, 8-ball head portion, 9-ball head supporting hole, 10-cylindrical hole segment, 11-conical hole segment and 12-ball head seat.
Detailed Description
In the high-precision valve grinder valve positioning device shown in fig. 1 and 2, a positioning driving cylinder 3 is mounted on a positioning driving cylinder seat 4 to facilitate mounting and connection on a grinder, the positioning driving cylinder 3 preferably adopts a stroke-adjustable cylinder, a positioning sleeve 2 is mounted at an extending end of a piston rod of the positioning driving cylinder 3, a ball head supporting hole 9 is arranged at the front end of the positioning sleeve 2, as a preferred embodiment, a ball head seat 12 is fixedly connected to the front end of the positioning sleeve 2 in an inserting manner, the ball head supporting hole 9 is arranged on the ball head seat 12, the ball head supporting hole 9 comprises a cylindrical hole section 10 and a conical hole section 11 positioned at the bottom of the cylindrical hole section 10, a positioning piece 1 is inserted in the ball head supporting hole 9, the positioning piece 1 is movably inserted in the ball head supporting hole 9 through a ball head 8 at the rear end, the spherical surface of the ball head 8 is tangent to the inner hole surfaces of the cylindrical hole section 10 and the conical hole section 11 of the ball head supporting hole 9 respectively, an O-shaped elastic ring 7 is arranged on the hole wall of the ball head supporting hole 9, the O-shaped elastic ring 7 is arranged on a cylindrical hole section 10 of the ball head supporting hole 9, the ball head part 8 of the positioning piece 1 is positioned on the inner side of the O-shaped elastic ring 7, and the spherical surface of the ball head part 8 is attached to the O-shaped elastic ring 7. The front end of the positioning piece 1 is provided with a positioning disk 6, the outer end of the positioning disk 6 is provided with positioning lugs 5, the number of the positioning lugs 5 is usually three to five, and the positioning lugs 5 are uniformly distributed on the outer end face of the positioning disk 6 along the circumferential direction.
The above description has been presented only for the purpose of illustrating certain preferred embodiments of the invention, and it is not to be taken as a limitation on the invention, as many modifications and variations are possible. For example, the ball head support hole 9 may not include the cylindrical hole section 10 and the conical hole section 11 at the bottom of the cylindrical hole section 10, but may include a cylindrical hole section 10 and a hemispherical hole at the bottom of the cylindrical hole section 10, and the radius of the hemispherical hole corresponds to the radius of the ball head 8; the positioning driving cylinder 3 may not be a stroke-adjustable cylinder, but may be a fixed stroke cylinder, and the fixed stroke positioning driving cylinder 3 is adjustably mounted on the positioning driving cylinder block 4 along the stroke direction of the piston rod. Therefore, any improvement and changes made on the basis of the basic principle of the present invention should be considered as falling within the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-accuracy valve grinder valve positioner, drives actuating cylinder (3) including the location, its characterized in that: locating sleeve (2) are installed to the overhanging end of piston rod of location actuating cylinder (3), are equipped with bulb supporting hole (9) at locating sleeve (2) front end, it has setting element (1) to peg graft in bulb supporting hole (9), this setting element (1) is pegged graft in bulb supporting hole (9) through bulb portion (8) activity of rear end, setting element (1) front end is equipped with positioning disk (6), is equipped with locating lug (5) in positioning disk (6) outer end, locating lug (5) are along circumference equipartition on positioning disk (6) outer terminal surface install O type elastic ring (7) on the pore wall of bulb supporting hole (9), and bulb portion (8) of setting element (1) are located this O type elastic ring (7) inboard, and the surface and the laminating of O type elastic ring (7) of bulb portion (8).
2. The high-precision valve grinder valve positioning device according to claim 1, characterized in that: the front end of the positioning sleeve (2) is provided with a ball head seat (12), and the ball head bearing hole (9) is arranged on the ball head seat (12).
3. The high-precision valve grinder valve positioning device according to claim 1 or 2, characterized in that: the ball head bearing hole (9) comprises a cylindrical hole section (10) and a conical hole section (11) located at the bottom of the cylindrical hole section (10).
4. The valve positioning device of the high-precision valve grinder according to claim 3, characterized in that: the O-shaped elastic ring (7) is arranged on a cylindrical hole section (10) of the ball head bearing hole (9).
5. The high-precision valve grinder valve positioning device according to claim 1, characterized in that: the positioning driving cylinder (3) is a stroke-adjustable cylinder.
6. The high-precision valve grinder valve positioning device according to claim 1, characterized in that: three to five positioning lugs (5) are arranged at the outer end of the positioning disc (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120723018.XU CN214722853U (en) | 2021-04-09 | 2021-04-09 | High-precision valve grinder valve positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120723018.XU CN214722853U (en) | 2021-04-09 | 2021-04-09 | High-precision valve grinder valve positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214722853U true CN214722853U (en) | 2021-11-16 |
Family
ID=78601490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120723018.XU Active CN214722853U (en) | 2021-04-09 | 2021-04-09 | High-precision valve grinder valve positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214722853U (en) |
-
2021
- 2021-04-09 CN CN202120723018.XU patent/CN214722853U/en active Active
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