CN204094537U - A kind of two ends floating self-centering fixture - Google Patents
A kind of two ends floating self-centering fixture Download PDFInfo
- Publication number
- CN204094537U CN204094537U CN201420520021.1U CN201420520021U CN204094537U CN 204094537 U CN204094537 U CN 204094537U CN 201420520021 U CN201420520021 U CN 201420520021U CN 204094537 U CN204094537 U CN 204094537U
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- China
- Prior art keywords
- spring
- housing
- centering
- centring means
- fixed
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- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a kind of two ends floating self-centering fixture, comprise base positioner and centring means, base positioner is positioned at the below of centring means, described base positioner comprises base, footstock, locating ring and clamp body, the outer surface cover of footstock has locating ring, ensure that base is concentric with footstock, base and footstock are fixed on clamp body; Described centring means is divided into the lower centring means for correcting lower end, for correcting the upper centring means of upper end and controlling centring means and carry out the central transmission device that corrects.Its advantage is: the utility model can correct upper and lower two dead eyes simultaneously, meets the process requirements of this kind of part.
Description
Technical field
The utility model relates to a kind of floating self-centering fixture, particularly a kind of two ends floating self-centering fixture.
Background technology
In technological equipment, self-centering fixture uses widely, and generally, self-centering fixture can correct a hole.But sprocket drive spindle hole in some shell parts, when correct upper and lower diaxon bearing bore, common self-centering fixture, only correct below or hole, one, top, sometimes just have no idea to meet process requirements, cause that hole machined surplus of not being corrected uneven, cannot quality requirement be met.
Utility model content
The purpose of this utility model is to provide a kind of two ends floating self-centering fixture, to solve the ubiquitous problem that cannot correct upper and lower two dead eyes of prior art simultaneously.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of two ends floating self-centering fixture, comprise base positioner and centring means, base positioner is positioned at the below of centring means, described base positioner comprises base, footstock, locating ring and clamp body, the outer surface cover of footstock has locating ring, ensure that base is concentric with footstock, base and footstock are fixed on clamp body; Described centring means is divided into the lower centring means for correcting lower end, for correcting the upper centring means of upper end and controlling centring means and carry out the central transmission device that corrects.
Especially, described lower centring means comprises lower centering take-up housing, Connection Block, directed large slide block, spring C; Base is fixed with lower centering take-up housing, lower centering take-up housing is fixed with Connection Block; Concentric with seam position assurance between base, lower centering take-up housing, Connection Block, be screwed; Lower centering take-up housing is equipped with directed large slide block in equally distributed three grooves, the large slide block of each orientation is equipped with spring C, and spring force can be regulated by screw.
Especially, described upper centring means comprises centering take-up housing, lid, directed small slide block, spring A; Lower centering take-up housing is fixed with Connection Block, Connection Block is fixed with centering take-up housing, upper centering take-up housing is fixed with lid; Concentric with seam position assurance between Connection Block, upper centering take-up housing, lid, be screwed; Upper centering take-up housing is equipped with directed small slide block in equally distributed three grooves, and each directed small slide block is equipped with spring A, and spring force can be regulated by screw.
Especially, described central transmission device comprises spring E, adjustment screw, pull bar, hollow oil cylinder, cushion block, baffle plate, tapered axle, spring B, spring D, Axis Tripod, cover plate, nut; Spring E is housed in footstock, and adjustment screw can regulating spring power size, and in footstock, spring E has pull bar, pull bar is equipped with nut, hollow oil cylinder, cushion block, baffle plate, tapered axle, spring B, Axis Tripod, cover plate, nut from the bottom up successively; Wherein cushion block is fixed on the flange face of hollow oil cylinder, and baffle plate is fixed on the lower surface of tapered axle, and cover plate is fixed on Axis Tripod; Spring D is had between baffle plate and lower centering take-up housing.
The beneficial effects of the utility model are: the utility model can correct upper and lower two dead eyes simultaneously, meets the process requirements of this kind of part.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of two ends of the utility model floating self-centering fixture.
Fig. 2 is the top view of a kind of two ends of the utility model floating self-centering fixture.
Fig. 3 is the front view after the clamping gear chamber housing of a kind of two ends of the utility model floating self-centering fixture.
Fig. 4 is the releasing orientation figure of a kind of two ends of the utility model floating self-centering fixture.
Wherein, the symbol description of Fig. 1, Fig. 2, Fig. 3, Fig. 4 is as follows:
1, footstock, 2, locating ring, 3, base, 4, cushion block, 5, baffle plate, 6, tapered axle, 7, lower centering take-up housing, 8, directed large slide block, 9, Connection Block, 10, upper centering take-up housing, 11, cover plate, 12, lid, 13, Axis Tripod, 14, directed small slide block, 15, spring A, 16, pull bar, 17, spring B, 18, spring C, 19, spring D, 20, hollow oil cylinder, 21, spring E, 22, adjustment screw, 23, gear chamber housing, 24, clamp body.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3, Figure 4, be front view and fixture releasing orientation figure after the front view of a kind of two ends of the utility model floating self-centering fixture, top view, clamping gear chamber housing.
A kind of two ends floating self-centering fixture, comprise base positioner and centring means, base positioner is positioned at the below of centring means, described base positioner comprises base 3, footstock 1, locating ring 2 and clamp body 24, the outer surface cover of footstock 1 has locating ring 2, ensure that base 3 is concentric with footstock 1, base 3 and footstock 1 are fixed on clamp body 24; Described centring means is divided into the lower centring means for correcting lower end, for correcting the upper centring means of upper end and controlling centring means and carry out the central transmission device that corrects.
Lower centring means: comprise lower centering take-up housing 7, Connection Block 9, directed large slide block 8, spring C18; Base 3 is fixed with lower centering take-up housing 7, lower centering take-up housing is fixed with Connection Block 9; Concentric with seam position assurance between base 3, lower centering take-up housing 7, Connection Block 9, be screwed; Directed large slide block 8 is housed in three grooves uniform on lower centering take-up housing 7, and the large slide block 8 of each orientation is equipped with spring C18, and spring force can be regulated by screw.
Upper centring means: comprise centering take-up housing 10, lid 12, directed small slide block 14, spring A15; Lower centering take-up housing is fixed with Connection Block 9, Connection Block 9 is fixed with centering take-up housing 10, upper centering take-up housing 10 is fixed with lid 12; Concentric with seam position assurance between Connection Block 9, upper centering take-up housing 10, lid 12, be screwed; In three grooves uniform on upper centering take-up housing 10, directed small slide block 14 is housed, each directed small slide block is equipped with spring A15, and spring force spring force can be regulated by screw.In three grooves uniform on lid 12, directed small slide block 14 is housed, each directed small slide block 14 is equipped with spring A15, and spring force can be regulated by screw.
Central transmission device: comprise spring E21, adjustment screw 22, pull bar 16, hollow oil cylinder 20, cushion block 4, baffle plate 5, tapered axle 6, spring B 17, spring D19, Axis Tripod 13, cover plate 11, nut; Wherein in footstock 1, spring E21 is housed, adjustment screw 22 can regulating spring power size, in footstock 1, spring E21 has pull bar 16, pull bar 16 is equipped with nut, hollow oil cylinder 20, cushion block 4, baffle plate 5, Lateral Thrust Unit 6, spring B 17, Lateral Thrust Unit 13, cover plate 11, nut from the bottom up successively; Cushion block 4 is fixed on the flange face of hollow oil cylinder 20, and baffle plate 5 is fixed on the lower surface of tapered axle 6, and cover plate 11 is fixed on Axis Tripod 13; Spring D19 is had between baffle plate 5 and lower centering take-up housing.
When the present invention is in releasing orientation, namely when all slide blocks are all retracted modes, load onto gear chamber housing 23, logical upper oil pressure, hollow oil cylinder 20 action, piston rod stretches out downwards, drive pull bar 16 to move downward, pull bar 16 drives the Axis Tripod 13 of upper end to move downward, and directed small slide block 14 is under the effect of the conical surface, protruding, the hole wall of contact gear chamber housing 23 upper end.Pull bar 16 cannot continue to move downward, now piston rod continues to stretch out downwards, because pull bar 16 is motionless, then the cylinder body of hollow oil cylinder 20 moves upward, and drives cushion block 4 to move upward, cushion block 4 promotes tapered axle 6 and moves upward, directed large slide block 8 is protruding under the effect of the conical surface, the hole wall of contact gear chamber housing 23 lower end, and the bearing bore of diaxon up and down of gear chamber housing 23 reaches self-centering position simultaneously, again in conjunction with other location condition, just can locate gear chamber housing 23.
When hollow oil cylinder 20 unclamps, when namely piston rod protrudes upward, pull bar 16, under the effect of spring E21, moves upward, and Axis Tripod 13 moves upward, and directed small slide block 14 is retracted under the effect of spring A15.Tapered axle 6 is at the moved downward of spring B 17, spring D19, and directed large slide block 8 is retracted under the effect of spring C18.
There are two groups of directed small slide blocks the utility model upper end, can the gear chamber housing 23 of compatible two kinds of differing heights.
Claims (4)
1. a two ends floating self-centering fixture, comprise base positioner and centring means, base positioner is positioned at the below of centring means, it is characterized in that: described base positioner comprises base (3), footstock (1), locating ring (2) and clamp body (24), footstock (1) outer surface cover has locating ring (2), ensure that base (3) is concentric with footstock (1), base (3) and footstock (1) are fixed on clamp body (24); Described centring means is divided into the lower centring means for correcting lower end, for correcting the upper centring means of upper end and controlling centring means and carry out the central transmission device that corrects.
2. two ends as claimed in claim 1 floating self-centering fixture, is characterized in that: described lower centring means comprises lower centering take-up housing (7), Connection Block (9), directed large slide block (8), spring C(18); Base (3) is fixed with lower centering take-up housing (7), lower centering take-up housing is fixed with Connection Block (9); Concentric with seam position assurance between base (3), lower centering take-up housing (7), Connection Block (9), be screwed; In upper equally distributed three grooves of lower centering take-up housing (7), directed large slide block (8) is housed, the large slide block of each orientation (8) is equipped with spring C(18), spring force can be regulated by screw.
3. two ends as claimed in claim 2 floating self-centering fixture, is characterized in that: described upper centring means comprises centering take-up housing (10), lid (12), directed small slide block (14), spring A(15); Lower centering take-up housing is fixed with Connection Block (9), Connection Block (9) is fixed with centering take-up housing (10), upper centering take-up housing (10) is fixed with lid (12); Concentric with seam position assurance between Connection Block (9), upper centering take-up housing (10), lid (12), be screwed; In upper equally distributed three grooves of upper centering take-up housing (10), directed small slide block (14) is housed, each directed small slide block is equipped with spring A(15), spring force can be regulated by screw.
4. two ends as claimed in claim 3 floating self-centering fixture, is characterized in that: described central transmission device comprises spring E(21), adjustment screw (22), pull bar (16), hollow oil cylinder (20), cushion block (4), baffle plate (5), tapered axle (6), spring B (17), spring D(19), Axis Tripod (13), cover plate (11), nut; Footstock is equipped with spring E(21 in (1)), adjustment screw (22) can regulating spring power size, spring E(21 in footstock (1)) on have pull bar (16), pull bar (16) is equipped with nut, hollow oil cylinder (20), cushion block (4), baffle plate (5), tapered axle (6), spring B (17), Axis Tripod (13), cover plate (11), nut from the bottom up successively; Wherein cushion block (4) is fixed on the flange face of hollow oil cylinder (20), and baffle plate (5) is fixed on the lower surface of tapered axle (6), and cover plate (11) is fixed on Axis Tripod (13); Spring D(19 is had) between baffle plate (5) and lower centering take-up housing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520021.1U CN204094537U (en) | 2014-09-11 | 2014-09-11 | A kind of two ends floating self-centering fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520021.1U CN204094537U (en) | 2014-09-11 | 2014-09-11 | A kind of two ends floating self-centering fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204094537U true CN204094537U (en) | 2015-01-14 |
Family
ID=52263006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420520021.1U Withdrawn - After Issue CN204094537U (en) | 2014-09-11 | 2014-09-11 | A kind of two ends floating self-centering fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204094537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191298A (en) * | 2014-09-11 | 2014-12-10 | 无锡瑞真精密机械有限公司 | Double-end-floating self-centering clamp |
-
2014
- 2014-09-11 CN CN201420520021.1U patent/CN204094537U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191298A (en) * | 2014-09-11 | 2014-12-10 | 无锡瑞真精密机械有限公司 | Double-end-floating self-centering clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214037 Wuxi province Jinshan Industrial Park in the north of the north science and Technology Industrial Park, building 2, a total of Patentee after: WUXI RUIZHEN PRECISION MACHINERY CO., LTD. Address before: 214037 Wuxi province Jinshan Industrial Park in the north of the north science and Technology Industrial Park, building 2, a total of Patentee before: Wuxi Rui Zhen precision optical machinery Co., Ltd |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20160713 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |