CN216385547U - Special fixture for positioning and geometric tolerance detection of internal teeth of valve actuator - Google Patents
Special fixture for positioning and geometric tolerance detection of internal teeth of valve actuator Download PDFInfo
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- CN216385547U CN216385547U CN202123087114.9U CN202123087114U CN216385547U CN 216385547 U CN216385547 U CN 216385547U CN 202123087114 U CN202123087114 U CN 202123087114U CN 216385547 U CN216385547 U CN 216385547U
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Abstract
The utility model relates to a special fixture for positioning and detecting form and position tolerance of internal teeth of a valve actuator, which comprises a positioning fixture and a detecting fixture, wherein the positioning fixture and the detecting fixture are fixed on a workbench; the detection clamp comprises a middle column and a positioning part arranged on the side edge of the middle column, the positioning part is provided with two vertical positioning surfaces, four detection teeth meshed with the inner teeth of the inner tooth part are arranged on the side edge of the middle column, and the four detection teeth are divided into two symmetrical groups. The position anchor clamps make things convenient for the location that the internal tooth adds man-hour, detect that anchor clamps conveniently carry out the detection of position relation between outer foot and the internal tooth to the internal tooth part after processing, processing and detection are accomplished at a station, avoid unqualified internal tooth part to flow into next process, through the detection at scene, also can reflect whether accurate in positioning fixture's location.
Description
Technical Field
The utility model belongs to a clamp for processing internal teeth of a valve actuator, and particularly relates to a special clamp for positioning and detecting form and position tolerance of the internal teeth of the valve actuator.
Background
A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate of a medium (liquid, gas, or powder) in a pipe or equipment by flowing or stopping the medium. The valve realizes the function through opening and closing, and along with the development of the technology, the opening and closing of the valve is improved from manual operation to automatic operation. The valve is generally provided with a valve actuator to drive the valve to open or close.
The valve actuator has an internal tooth part of taking two outer feet, be provided with the round internal tooth on the internal ring surface of internal tooth part, before processing the internal tooth, the outer foot has moulded on the blank, and have more strict position relation between outer foot and the internal tooth, this just requires when processing the internal tooth, there is accurate location, make the position relation between outer foot and the internal tooth meet the requirements, after the internal tooth processing, still need have an instrument can detect the position relation between the outer foot of internal tooth part after processing and the internal tooth, confirm whether the internal tooth part of processing meets the requirements.
Disclosure of Invention
The utility model provides a special fixture for positioning and form and position tolerance detection of an inner tooth of a valve actuator, wherein a positioning fixture and a detection fixture are simultaneously arranged on a workbench, the positioning fixture is convenient for positioning during inner tooth machining, the detection fixture is convenient for detecting the position relation between an outer foot and an inner tooth of a machined inner tooth part, machining and detection are finished in one station, unqualified inner tooth parts are prevented from flowing into the next procedure, and whether the positioning of the positioning fixture is accurate or not can be reflected through field detection.
The specific technical scheme of the utility model is as follows: a special fixture for positioning and form and position tolerance detection of an inner tooth of a valve actuator comprises a positioning fixture and a detection fixture which are fixed on a workbench, wherein the positioning fixture comprises a positioning disc, a clamping piece and a rotating piece with a handle, a raised leaning edge and a raised positioning block are arranged on the positioning disc, the leaning edge is provided with an inner arc surface which is propped against the periphery of an inner tooth part, the positioning block is provided with a positioning surface which is propped against one outer foot of the inner tooth part, and a positioning piece which is propped against the other outer foot of the inner tooth part is arranged on the rotating piece; the detection clamp comprises a middle column and a positioning part arranged on the side edge of the middle column, the positioning part is provided with two vertical positioning surfaces, four detection teeth meshed with the inner teeth of the inner tooth part are arranged on the side edge of the middle column, and the four detection teeth are divided into two symmetrical groups.
The positioning fixture is used for positioning when the internal teeth of the internal tooth part are machined, and the detection fixture is used for detecting form and position tolerance between the internal teeth and the positioning pins after the internal teeth of the internal tooth part are machined; the internal tooth part is placed on the positioning disc, the side leaning against the internal tooth part, especially, the inner arc surface of the side leaning against is attached to the outer arc surface of the internal tooth part, the positioning surface on the positioning block is contacted with the plane of one positioning intersection of the internal tooth part, the rotating part is rotated, so that the positioning part on the rotating part is contacted with the plane of the other outer foot of the internal tooth part, the internal tooth part is positioned, the rotating part is provided with a handle, the rotating part is operated and controlled manually to rotate, the internal tooth part blank is placed on the positioning disc, the inner tooth part is abutted against the side leaning against, the plane of one outer foot faces the positioning surface of the positioning block, then the rotating part is rotated, the positioning part of the rotating part pushes the internal tooth part, the plane of the outer foot is abutted against the positioning surface, and the positioning is completed; after the internal tooth processing of internal tooth parts, shift to detection anchor clamps department with internal tooth parts cover, on internal tooth parts cover put with the intermediate pillar, when the cover was put, the internal tooth was put with the cooperation of detection tooth, whether the plane of detecting the outer foot contacted with the locating surface, overturn 180 after that, whether the plane of detecting another outer foot contacted with the locating surface, if all contact, the expression satisfied position requirement.
Preferably, a through hole is formed in the middle of the positioning plate, the center of the through hole is overlapped with the center of the inner tooth component, and the close edge and the positioning block are located on the periphery of the through hole.
Preferably, the clamping members comprise three clamping members, each clamping member comprises a clamping rod, an adjusting rod and a cushion block, the clamping rods are sleeved on the adjusting rods, adjusting nuts are screwed on the upper ends of the adjusting rods, the cushion blocks are positioned on the outer sides of the adjusting rods, and one ends of the clamping rods are placed on the corresponding cushion blocks; among the three clamping pieces, the end parts of two clamping rods are pressed on the upper part of the side edge of the positioning disc, and the end part of the third clamping rod is pressed on the outer side of the positioning block on the positioning disc.
Preferably, the positioning disc is provided with a rotating hole, a rotating shaft is fixedly arranged in the rotating hole, the rotating member is sleeved on the rotating shaft to form a rotating structure, and the rotating member is arranged on one side close to the side.
Preferably, the rotating member is in an L shape, the end portion of the end edge is hinged to the rotating shaft, the outer side edge of the end edge protrudes outwards to form an obtuse-angle fold, and the positioning member is fixed to the top of the fold of the end edge.
Preferably, the rotating plane of the rotating part is parallel to the positioning disc, the handle is fixed at the tail end of the rotating part, and the handle is perpendicular to the plane of the rotating part.
Preferably, a concave groove is arranged between the middle column of the detection clamp and the positioning component, a connecting hole is arranged at the bottom of the groove, and the detection clamp is fixed on the workbench through a screw.
Preferably, an arc surface is arranged between the two positioning surfaces on the positioning component, and the position requirement between the inner teeth of the inner tooth component and the outer foot positioning surface is met by each positioning surface and the four detection teeth on the middle column.
The utility model has the beneficial effects that: the positioning fixture is used for positioning when the internal teeth of the internal tooth part are machined, and the detection fixture is used for detecting form and position tolerance between the internal teeth and the positioning pins after the internal teeth of the internal tooth part are machined; the internal tooth part is placed on the positioning disc, the side is abutted against the internal tooth part, particularly, the inner arc surface of the side is attached to the outer arc surface of the internal tooth part, the positioning surface on the positioning block is contacted with a plane crossed with the positioning of the internal tooth part, and the positioning piece on the rotating piece is contacted with the plane of the other outer foot of the internal tooth part by rotating the rotating piece, so that the internal tooth part is positioned; after the internal teeth of the internal tooth part are machined, the internal tooth part is transferred to a detection clamp and sleeved on the middle column to detect whether the plane of the outer leg is in contact with the positioning surface.
Drawings
FIG. 1 is a schematic diagram of one configuration of the present invention;
FIG. 2 is a schematic view of a puck structure according to the present invention;
FIG. 3 is a schematic view of an internal gear assembly of the present invention;
in the figure: 1. the device comprises a workbench, 2, cushion blocks, 3, a clamping rod, 4, a boss, 5, a positioning disc, 6, a detection clamp, 7, detection teeth, 8, a middle column, 9, a groove, 10, a positioning part, 11, a positioning surface, 12, a rotating shaft, 13, a positioning part, 14, a rotating part, 15, a handle, 16, a through hole, 17, a rotating hole, 18, an inner arc surface, 19, a leaning edge, 20, a positioning block, 21 and an inner tooth part.
Detailed Description
The utility model is further described by the following specific embodiments in conjunction with the accompanying drawings.
Example (b):
as shown in figure 1, the special fixture for positioning and form and position tolerance detection of the internal teeth of the valve actuator comprises a positioning fixture and a detection fixture 6 which are fixed on a work 1.
The positioning fixture comprises a positioning disk 5, a clamping member and a rotating member 14 with a handle 15. The workbench 1 is provided with a boss 4 which is cylindrical, the upper end of the boss is provided with a positioning disk 5, the middle position of the positioning disk is provided with a through hole 16, and the through hole is communicated with the axial hole of the boss. As shown in fig. 2, a raised abutting edge 19 and a raised positioning block 20 are arranged on the positioning plate, the abutting edge is provided with an inner arc surface 18 abutting against the periphery of the internal gear part 21, the positioning block is provided with a positioning surface abutting against one of the outer legs of the internal gear part, the positioning plate is provided with a rotating hole 17, and the rotating hole, the abutting edge and the positioning block are all arranged on the periphery of the through hole. A rotating shaft 12 is fixed in the rotating hole, the rotating part is sleeved on the rotating shaft to form a rotating structure, and a positioning part 13 is arranged on one side of the rotating part, which faces to the side. The rotating piece is L-shaped, the end part of the end edge is hinged on the rotating shaft, the outer side edge of the end edge protrudes outwards to form an obtuse-angle folded shape, and the positioning piece is fixed at the folded top of the end edge. The rotating plane of the rotating part is parallel to the positioning disc, the handle is fixed at the tail end of the rotating part, and the handle is perpendicular to the plane of the rotating part.
The clamping piece is totally three, and the clamping piece includes clamping bar 3 and adjusts pole and cushion 2, and the clamping bar cover is arranged in on adjusting the pole, and regulation nut has revolved on adjusting the pole, and the outside position of adjusting the pole on the workstation is fixed in to the cushion, and the one end of clamping bar is shelved on the cushion that corresponds. Among the three clamping pieces, the end parts of two clamping rods are pressed on the upper part of the side edge of the positioning disc, and the end part of the third clamping rod is pressed on the outer side of the positioning block on the positioning disc.
The detection clamp 6 comprises a middle column 8 and a positioning part 10 arranged on the side edge of the middle column, a concave groove 9 is arranged between the middle column and the positioning part, a connecting hole is formed in the bottom of the groove, and the detection clamp is fixed on the workbench through a screw. The positioning part is provided with two vertical positioning surfaces 11, the side edge of the middle column is provided with four detection teeth 7 meshed with the inner teeth of the inner tooth part, and the four detection teeth are divided into two symmetrical groups. An arc surface is arranged between the two positioning surfaces on the positioning component, and the position requirement between the inner teeth of the inner tooth component and the outer foot positioning surface is met by each positioning surface and the four detection teeth on the middle column.
Internal tooth parts places on the positioning disk, leans on the limit to support and leans on internal tooth parts, and especially the intrados that leans on the limit is laminated with internal tooth parts's extrados mutually, and the plane of an outer foot is towards the locating surface of locating piece, rotates the piece through rotating, and the setting element that rotates contacts and promotes internal tooth parts with internal tooth parts's outer foot plane for the locating surface on the locating piece contacts with the plane of the outer foot that corresponds, thereby accomplishes the location.
After the internal tooth processing of internal tooth parts, shift to detection anchor clamps department with internal tooth parts cover, on internal tooth parts cover put with the intermediate pillar, when the cover was put, the internal tooth was put with the cooperation of detection tooth, whether the plane of detecting the outer foot contacted with the locating surface, overturn 180 after that, whether the plane of detecting another outer foot contacted with the locating surface, if all contact, the expression satisfied position requirement.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (8)
1. A special fixture for positioning and detecting form and position tolerance of an inner tooth of a valve actuator is characterized by comprising a positioning fixture and a detecting fixture (6) which are fixed on a workbench (1), wherein the positioning fixture comprises a positioning disc (5), a clamping piece and a rotating piece (14) with a handle (15), a convex leaning edge (19) and a convex positioning block (20) are arranged on the positioning disc, the leaning edge is provided with an inner arc surface (18) which is propped against the periphery of an inner tooth part (21), the positioning block is provided with a positioning surface which is propped against one outer foot of the inner tooth part, and the rotating piece is provided with a positioning piece (13) which is propped against the other outer foot of the inner tooth part; the detection clamp comprises a middle column (8) and a positioning part (10) arranged on the side edge of the middle column, the positioning part is provided with two vertical positioning surfaces (11), four detection teeth (7) meshed with the inner teeth of the inner tooth part are arranged on the side edge of the middle column, and the four detection teeth are divided into two symmetrical groups.
2. The special fixture for positioning and form and position tolerance detection of the internal teeth of the valve actuator according to claim 1, wherein a through hole (16) is formed in the middle of the positioning plate, the center of the through hole is overlapped with the center of the internal teeth of the internal tooth part, and the abutting edge and the positioning block are positioned on the periphery of the through hole.
3. The special clamp for the positioning and the form and position tolerance detection of the internal teeth of the valve actuator according to claim 1 is characterized in that the number of the clamping members is three, the clamping members comprise a clamping rod (3), an adjusting rod and a cushion block (2), the clamping rod is sleeved on the adjusting rod, an adjusting nut is screwed at the upper end of the adjusting rod, the cushion block is positioned at the outer side of the adjusting rod, and one end of the clamping rod is placed on the corresponding cushion block; among the three clamping pieces, the end parts of two clamping rods are pressed on the upper part of the side edge of the positioning disc, and the end part of the third clamping rod is pressed on the outer side of the positioning block on the positioning disc.
4. The special fixture for positioning and detecting form and position tolerance of the internal tooth of the valve actuator according to claim 1, 2 or 3, characterized in that a rotating hole (17) is formed in the positioning plate, a rotating shaft (12) is fixed in the rotating hole, the rotating member is sleeved on the rotating shaft to form a rotating structure, and the positioning member is arranged on one side of the rotating member, which faces to the side.
5. The special fixture for positioning and form and position tolerance detection of a valve actuator as claimed in claim 4, wherein the rotating member is L-shaped, the end of the end edge is hinged to the rotating shaft, the outer side of the end edge protrudes outwards to form an obtuse-angle fold, and the positioning member is fixed to the top of the fold of the end edge.
6. The special fixture for positioning and form and position tolerance detection of the internal teeth of the valve actuator as claimed in claim 5, wherein the rotation plane of the rotating member is parallel to the positioning disc, the handle is fixed at the tail end of the rotating member, and the handle is perpendicular to the plane of the rotating member.
7. The special fixture for positioning and form and position tolerance detection of the internal tooth of the valve actuator according to claim 1, wherein a concave groove (9) is arranged between the middle column and the positioning part of the detection fixture, and a connecting hole is arranged at the bottom of the groove to fix the detection fixture on the workbench through a screw.
8. The special fixture for positioning and form and position tolerance detection of the internal teeth of the valve actuator as claimed in claim 1 or 7, wherein an arc surface is arranged between two positioning surfaces on the positioning component, and each positioning surface and four detection teeth on the middle column all meet the position requirement between the internal teeth of the internal tooth component and the outer leg positioning surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123087114.9U CN216385547U (en) | 2021-12-10 | 2021-12-10 | Special fixture for positioning and geometric tolerance detection of internal teeth of valve actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123087114.9U CN216385547U (en) | 2021-12-10 | 2021-12-10 | Special fixture for positioning and geometric tolerance detection of internal teeth of valve actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216385547U true CN216385547U (en) | 2022-04-26 |
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ID=81223501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123087114.9U Active CN216385547U (en) | 2021-12-10 | 2021-12-10 | Special fixture for positioning and geometric tolerance detection of internal teeth of valve actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216385547U (en) |
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2021
- 2021-12-10 CN CN202123087114.9U patent/CN216385547U/en active Active
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