CN219818302U - Positioning device for spherical part - Google Patents
Positioning device for spherical part Download PDFInfo
- Publication number
- CN219818302U CN219818302U CN202320670093.3U CN202320670093U CN219818302U CN 219818302 U CN219818302 U CN 219818302U CN 202320670093 U CN202320670093 U CN 202320670093U CN 219818302 U CN219818302 U CN 219818302U
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- China
- Prior art keywords
- positioning
- spherical part
- hole
- column frame
- radial
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- 230000003068 static effect Effects 0.000 abstract 1
- 238000010892 electric spark Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a positioning device for a spherical part, which comprises a frame body (1), a positioning extension rod (2) and a positioning piece (5), wherein the frame body (1) comprises a flat base and a column frame with an upper end face, a radial through hole is formed in the column frame, a first locking screw (3) communicated with the radial through hole is arranged at the top end of the column frame, the positioning extension rod (2) penetrates through the radial through hole, a transverse groove is formed in one end of the positioning extension rod (2), a second locking screw (4) is arranged on the upper side wall of the groove, the positioning piece (5) is in a step block shape, the large step end of the positioning piece (5) is matched with a rectangular key groove of the spherical part (6), the small step end of the positioning piece (5) is connected with the positioning piece (5) through the second locking screw (4), and the spherical part (6) is sleeved on the frame body 1 when the positioning device is used, and the angular degree of freedom of the spherical part (6) is limited through the rectangular key groove in a static alignment mode.
Description
Technical Field
The utility model relates to a positioning device for a spherical part.
Background
In the production process of industrial products, there are one kind of spherical parts, the parts are provided with spherical crown-shaped shells and inner cavities, after the inner holes are machined in general, the spherical parts are machined into outer or inner cavities by electric spark, before the electric spark machining is performed on complex outer or inner shapes, the spherical centers of the spherical parts are required to be aligned, and meanwhile, the angular freedom degree of the spherical bodies is required to be limited by positioning, so that the positioning devices are required to statically align the spherical centers of the parts and limit the angular freedom degree by positioning, and the electric spark inner and outer type machining is convenient to be performed on the spherical parts.
Disclosure of Invention
The utility model aims to provide a positioning device for a spherical part by utilizing a rectangular key groove on an inner hole machined by the spherical part.
The utility model is realized by the following technical scheme: the utility model provides a ball part's positioner, its characterized in that includes support body 1, location extension rod 2 and setting element 5, support body 1 include the flat base, flat base up end set up the column frame, the column frame open and to have radial through-hole, the column frame top open with radial through-hole communicating screw hole one, screw hole one threaded connection locking screw one 3, location extension rod 2 run through in radial through-hole, location extension rod 2 one end open and to have horizontal recess, the recess upper sidewall open and to have the screw hole, the screw hole threaded connection locking screw two 4 of recess upper sidewall, setting element 5 be the step piece shape, the width of the big step end of setting element 5 and the width phase-match of rectangular keyway on the interior type of ball part, the little step tip of setting element 5 place in the recess of setting element 5.
Further, the width of the large step end of the positioning piece 5 is in clearance fit with the width of the rectangular key groove on the inner hole of the spherical part.
Further, the column frame is cylindrical, and the radial through holes of the column frame are rectangular holes.
Compared with the prior art, the utility model has the following advantages: the utility model relates to a positioning device for a spherical part, which is characterized in that a frame body is installed and fixed on a magnetic attraction workbench when in use, a first locking screw and a second locking screw are loosened, the spherical part is sleeved on the frame body, a positioning piece is installed, the positioning piece is fixed with a positioning extension rod through the second locking screw, the extension amount of the positioning extension rod is adjusted, the positioning piece is matched with a key groove on the spherical part, meanwhile, the extension amount of the positioning extension rod is adjusted through a measuring tool such as a caliper to adjust the axis of the spherical part to be coaxial with the axis of a column frame, and finally the first locking screw is screwed to finish positioning.
Drawings
Fig. 1 is a schematic view of a positioning device for a spherical element according to the utility model.
Fig. 2 is a schematic view of the positioning device for a spherical element according to the present utility model.
In the figure: 1. the device comprises a frame body, a positioning extension rod, a locking screw I, a locking screw II, a positioning piece and a spherical part 6.
Detailed Description
The present utility model will be described in further detail with reference to examples, but embodiments of the present utility model are not limited thereto.
Fig. 1 and 2 show an embodiment of a positioning device for a spherical part, which is characterized by comprising a frame body 1, a positioning extension rod 2 and a positioning piece 5, wherein the frame body 1 comprises a flat base, a column frame is arranged on the upper end surface of the flat base, a radial through hole is formed in the column frame, a first threaded hole communicated with the radial through hole is formed in the top end of the column frame, the first threaded hole is in threaded connection with a locking screw 3, the positioning extension rod 2 penetrates through the radial through hole, a transverse groove is formed in one end of the positioning extension rod 2, a threaded hole is formed in the upper side wall of the groove, a locking screw two 4 is in threaded connection with the threaded hole in the upper side wall of the groove, the positioning piece 5 is in a step shape, the width of a large step end of the positioning piece 5 is matched with the width of a rectangular key groove on an inner shape of the spherical part, and a small step end of the positioning piece 5 is arranged in the groove of the positioning piece 5.
The width of the large step end of the locating piece 5 is in clearance fit with the width of the rectangular key groove on the inner hole of the spherical part 6, and the locating precision is good when the clearance is 0.02 millimeter.
The column frame is cylindrical, the radial through hole of the column frame is a rectangular hole, the radial through hole of the column frame is in clearance fit with the positioning extension rod 2, and the positioning accuracy is good when the clearance is 0.02 millimeter.
The small step end of the locating piece 5 and the groove are provided with a scribing line, the locating extension rod 2 and the column frame are provided with a scribing line, when the two scribing lines coincide, the axis of the spherical part 6 is coaxial with the axis of the column frame theoretically, when the actual manufacturing error of a key groove of the spherical part 6 is large, a measuring tool such as a caliper is used for measuring the actual radius of the spherical part 6 to adjust the extension amount of the locating extension rod, so that the axis of the spherical part is coaxial with the axis of the column frame.
When the electric spark machining device is used, the frame body 1 is installed and fixed on the magnetic workbench, the locking screw I3 and the locking screw II 4 are loosened, the spherical part 6 is sleeved on the frame body 1, then the positioning piece 5 is installed, the positioning piece 5 is fixed with the positioning extension rod 2 through the locking screw II 4, then the protruding amount of the positioning extension rod 2 is adjusted, the positioning piece 5 is matched with a key groove on the spherical part 6, meanwhile, the protruding amount of the positioning extension rod 2 is adjusted through a measuring tool such as a caliper to adjust the axis of the spherical part 6 to be coaxial with the axis of the column frame, finally the locking screw I3 is screwed to complete positioning and angular limiting, in this way, the spherical part 6 is adsorbed and fastened on the flat base through the magnetic workbench through the positioning device, when the material of the spherical part 6 is a colored metal, the spherical part 6 can be pressed on the end face of the spherical part 6, and the electric spark machining device is convenient to machine the spherical part 6.
Claims (3)
1. A positioning device for a spherical part, characterized in that: including support body (1), location extension rod (2) and setting element (5), support body (1) include the dull and stereotyped base, dull and stereotyped base up end set up the column frame, the column frame open and to have radial through-hole, column frame top open have with radial through-hole communicating screw hole one, screw hole threaded connection locking screw one (3), location extension rod (2) run through in radial through-hole, location extension rod (2) one end open and to have horizontal recess, the recess upper sidewall open and to have the screw hole, the screw hole threaded connection locking screw two (4) of recess upper sidewall, setting element (5) be the step shape, the width of the big step end of setting element (5) with the width phase-match of the rectangle keyway on the interior type of spherical part, the little step tip of setting element (5) place in the recess of setting element (5).
2. A positioning device for a spherical element as claimed in claim 1, wherein: the width of the large step end of the locating piece (5) is in clearance fit with the width of the rectangular key groove on the inner hole of the spherical part.
3. A positioning device for a spherical element as claimed in claim 2, wherein: the column frame is cylindrical, and the radial through holes of the column frame are rectangular holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320670093.3U CN219818302U (en) | 2023-03-30 | 2023-03-30 | Positioning device for spherical part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320670093.3U CN219818302U (en) | 2023-03-30 | 2023-03-30 | Positioning device for spherical part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219818302U true CN219818302U (en) | 2023-10-13 |
Family
ID=88272512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320670093.3U Active CN219818302U (en) | 2023-03-30 | 2023-03-30 | Positioning device for spherical part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219818302U (en) |
-
2023
- 2023-03-30 CN CN202320670093.3U patent/CN219818302U/en active Active
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| GR01 | Patent grant |