CN104191298A - Double-end-floating self-centering clamp - Google Patents
Double-end-floating self-centering clamp Download PDFInfo
- Publication number
- CN104191298A CN104191298A CN201410460113.XA CN201410460113A CN104191298A CN 104191298 A CN104191298 A CN 104191298A CN 201410460113 A CN201410460113 A CN 201410460113A CN 104191298 A CN104191298 A CN 104191298A
- Authority
- CN
- China
- Prior art keywords
- spring
- centering
- housing
- base
- slide block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
- B23Q3/183—Centering devices
Abstract
The invention discloses a double-end-floating self-centering clamp which comprises a base positioning device and a centering device. The base positioning device is located on the lower portion of the centering device and comprises a base, a centering base, a positioning ring and a clamp body, the centering base is sleeved with the positioning ring so that it can be guaranteed that the base and the centering base are concentric, and the base and the centering base are fixed to the clamp body. The centering device comprises a lower centering device body used for correcting the lower end, an upper centering device body used for correcting the upper end and a central transmission device for controlling the centering device to conduct correcting. The double-end-floating self-centering clamp has the advantages that an upper bearing hole and a lower bearing hole can be corrected at the same time, and the machining requirements of the class of parts can be met.
Description
Technical field
The present invention relates to a kind of floating self-centering fixture, particularly a kind of two ends floating self-centering fixture.
Background technology
In technological equipment, it is very extensive that self-centering fixture is used, and generally, self-centering fixture can be proofreaied and correct a hole.But sprocket drive spindle hole in some shell parts, in the time of proofreading and correct upper and lower two bearings hole, common self-centering fixture, only proofread and correct below or hole, one of top, sometimes the process requirements of just having no idea to meet, causes that hole allowance of not being corrected inhomogeneous, cannot meet quality requirement.
Summary of the invention
The object of the present invention is to provide a kind of two ends floating self-centering fixture, to solve the ubiquitous problem that cannot proofread and correct upper and lower two dead eyes of prior art simultaneously.
For achieving the above object, the present invention 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, guarantee that base is concentric with footstock, base and footstock are fixed on clamp body; Described centring means is divided into lower centring means for proofreading and correct lower end, for proofreading and correct the upper centring means of upper end and controlling the central transmission device that centring means is proofreaied and correct.
Especially, described lower centring means comprises lower centering take-up housing, Connection Block, directed large slide block, spring C; On base, be fixed with lower centering take-up housing, on lower centering take-up housing, be fixed with Connection Block; Between base, lower centering take-up housing, Connection Block, with seam location, guarantee with one heart, to be screwed; Directed large slide block is housed in equally distributed three grooves on lower centering take-up housing, on each directed large slide block, spring C is housed, spring force can regulate by screw.
Especially, described upper centring means comprises centering take-up housing, lid, directed small slide block, spring A; On lower centering take-up housing, be fixed with Connection Block, on Connection Block, be fixed with centering take-up housing, on upper centering take-up housing, be fixed with lid; Between Connection Block, upper centering take-up housing, lid, with seam location, guarantee with one heart, to be screwed; In upper centering slide block group, in equally distributed three grooves, directed small slide block is housed, on each directed small slide block, spring A is housed, spring force spring force can regulate by screw.
Especially, described in cover in equally distributed three grooves directed small slide block be housed, on each directed small slide block, spring A is housed, spring force can regulate 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, adjustment screw can regulating spring power size, on footstock medi-spring E, have 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 taper shaft, and cover plate is fixed on Axis Tripod; Between baffle plate and lower positioning sliding block, there is spring D.
Beneficial effect of the present invention is: the present invention can proofread and correct upper and lower two dead eyes simultaneously, meets the process requirements of this class part.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of two ends of the present invention floating self-centering fixture.
Fig. 2 is the top view of a kind of two ends of the present invention floating self-centering fixture.
Fig. 3 is the front view after the clamping gear chamber housing of a kind of two ends of the present invention floating self-centering fixture.
Fig. 4 is the releasing orientation figure of a kind of two ends of the present invention 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.
The specific embodiment
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 present invention 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, guarantee 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 lower centring means for proofreading and correct lower end, for proofreading and correct the upper centring means of upper end and controlling the central transmission device that centring means is proofreaied and correct.
Lower centring means: comprise lower centering take-up housing 7, Connection Block 9, directed large slide block 8, spring C18; On base 3, be fixed with lower centering take-up housing 7, on lower centering take-up housing, be fixed with Connection Block 9; Between base 3, lower centering take-up housing 7, Connection Block 9, with seam location, guarantee with one heart, to be screwed; Directed large slide block 8 is housed in uniform three grooves on lower centering take-up housing 7, on each directed large slide block 8, spring C18 is housed, spring force can regulate by screw.
Upper centring means: comprise centering take-up housing 10, lid 12, directed small slide block 14, spring A15; On lower centering take-up housing, be fixed with Connection Block 9, on Connection Block 9, be fixed with centering take-up housing 10, on upper centering take-up housing 10, be fixed with and cover 12; Between Connection Block 9, upper centering take-up housing 10, lid 12, with seam location, guarantee with one heart, to be screwed; In upper centering slide block group 10, in uniform three grooves, directed small slide block 14 is housed, on each directed small slide block, spring A15 is housed, spring force spring force can regulate by screw.Cover in three grooves uniform on 12 directed small slide block 14 is housed, on each directed small slide block 14, spring A15 is housed, spring force can regulate by screw.
Central transmission device: comprise spring E21, adjustment screw 22, pull bar 16, hollow oil cylinder 20, cushion block 4, baffle plate 5, taper shaft 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, on footstock 1 medi-spring E21, have 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 taper shaft 6, and cover plate 11 is fixed on Axis Tripod 13; Between baffle plate 5 and lower positioning sliding block, there is spring D19.
When the present invention is during in releasing orientation, when all slide blocks are all retracted mode, load onto gear chamber housing 23, logical upper oil pressure, hollow oil cylinder 20 actions, 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 ends.Pull bar 16 cannot continue to move downward, now piston rod continues to stretch out downwards, because pull bar 16 is motionless, 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 ends, and the hole of two bearings up and down of gear chamber housing 23 reaches self-centering position simultaneously, in conjunction with other location condition, just can locate gear chamber housing 23 again.
When hollow oil cylinder 20 unclamps, when 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 moves downward under the effect 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 14 upper end of the present invention, gear chamber housing 23 that can compatible two kinds of differing heights.
Claims (5)
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), the outer surface cover of footstock (1) has locating ring (2), guarantee 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 lower centring means for proofreading and correct lower end, for proofreading and correct the upper centring means of upper end and controlling the central transmission device that centring means is proofreaied and correct.
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); On base (3), be fixed with lower centering take-up housing (7), on lower centering take-up housing, be fixed with Connection Block (9); Between base (3), lower centering take-up housing (7), Connection Block (9), with seam location, guarantee with one heart, to be screwed; Directed large slide block (8) is housed in upper equally distributed three grooves of lower centering take-up housing (7), on each directed large slide block (8), spring C(18 is housed), spring force can regulate by screw.
3. two ends as claimed in claim 1 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); On lower centering take-up housing, be fixed with Connection Block (9), on Connection Block (9), be fixed with centering take-up housing (10), on upper centering take-up housing (10), be fixed with lid (12); Between Connection Block (9), upper centering take-up housing (10), lid (12), with seam location, guarantee with one heart, to be screwed; In upper equally distributed three grooves of upper centering slide block group (10), directed small slide block (14) is housed, on each directed small slide block, spring A(15 is housed), spring force spring force can regulate by screw.
4. two ends floating self-centering fixture as described in claim 3, it is characterized in that: in upper equally distributed three grooves of described lid (12), directed small slide block (14) is housed, on each directed small slide block (14), spring A (15) is housed, spring force can regulate by screw.
5. two ends as claimed in claim 1 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, footstock (1) medi-spring E(21) 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 taper shaft (6), and cover plate (11) is fixed on Axis Tripod (13); Between baffle plate (5) and lower positioning sliding block, there is spring D(19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460113.XA CN104191298B (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 |
|---|---|---|---|
| CN201410460113.XA CN104191298B (en) | 2014-09-11 | 2014-09-11 | A kind of two ends floating self-centering fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104191298A true CN104191298A (en) | 2014-12-10 |
| CN104191298B CN104191298B (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410460113.XA Active CN104191298B (en) | 2014-09-11 | 2014-09-11 | A kind of two ends floating self-centering fixture |
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| CN (1) | CN104191298B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2215375Y (en) * | 1994-06-28 | 1995-12-20 | 国营庆安宇航设备公司 | Multi-piece floating presure hold-down device |
| CN2741715Y (en) * | 2004-12-02 | 2005-11-23 | 常州工业技术学院机电研究所 | Self contering clamp device for digital control cardan joint bell shell inner ball surface grinder |
| EP2085166A1 (en) * | 2008-01-30 | 2009-08-05 | Willingshofer GesmbH | Submission for centring the axis of hollow bodies |
| CN201950481U (en) * | 2011-03-01 | 2011-08-31 | 上海东方泵业(集团)有限公司 | Self-centering floating clamp |
| JP2012096347A (en) * | 2010-11-03 | 2012-05-24 | Johoku Kohan Seisakusho:Kk | Correction device of core in machine tool |
| CN203778799U (en) * | 2014-02-23 | 2014-08-20 | 张鸿来 | Manual self-centering clamp for thin-walled sleeve |
| CN204094537U (en) * | 2014-09-11 | 2015-01-14 | 无锡瑞真精密机械有限公司 | A kind of two ends floating self-centering fixture |
-
2014
- 2014-09-11 CN CN201410460113.XA patent/CN104191298B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2215375Y (en) * | 1994-06-28 | 1995-12-20 | 国营庆安宇航设备公司 | Multi-piece floating presure hold-down device |
| CN2741715Y (en) * | 2004-12-02 | 2005-11-23 | 常州工业技术学院机电研究所 | Self contering clamp device for digital control cardan joint bell shell inner ball surface grinder |
| EP2085166A1 (en) * | 2008-01-30 | 2009-08-05 | Willingshofer GesmbH | Submission for centring the axis of hollow bodies |
| JP2012096347A (en) * | 2010-11-03 | 2012-05-24 | Johoku Kohan Seisakusho:Kk | Correction device of core in machine tool |
| CN201950481U (en) * | 2011-03-01 | 2011-08-31 | 上海东方泵业(集团)有限公司 | Self-centering floating clamp |
| CN203778799U (en) * | 2014-02-23 | 2014-08-20 | 张鸿来 | Manual self-centering clamp for thin-walled sleeve |
| CN204094537U (en) * | 2014-09-11 | 2015-01-14 | 无锡瑞真精密机械有限公司 | A kind of two ends floating self-centering fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104191298B (en) | 2016-07-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 214037 Wuxi province Jinshan Industrial Park in the north of the north science and Technology Industrial Park, building 2, a total of Applicant 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 Applicant before: Wuxi Rui Zhen precision optical machinery Co., Ltd |
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| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |