CN108818090A - Voussoir centralizer and processing method with outer male structure thin-wall annular part - Google Patents
Voussoir centralizer and processing method with outer male structure thin-wall annular part Download PDFInfo
- Publication number
- CN108818090A CN108818090A CN201810862217.1A CN201810862217A CN108818090A CN 108818090 A CN108818090 A CN 108818090A CN 201810862217 A CN201810862217 A CN 201810862217A CN 108818090 A CN108818090 A CN 108818090A
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- CN
- China
- Prior art keywords
- voussoir
- annular part
- male structure
- outer male
- wall annular
- 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
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- 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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to voussoir centralizer and processing method with outer male structure thin-wall annular part, when to solve parts to be processed be with outer male structure thin-wall annular part, the problem of fixture is not available.Its technical solution is the voussoir centralizer with outer male structure thin-wall annular part, including centering machine, elastic reset unit and pilot unit, centering machine includes clamp body, gland and conical ring centering unit, gland medial surface is threadedly coupled with fixture outside, conical ring centering unit includes multiple voussoirs, it is arranged on clamp body medial surface, and the outer male structure for the parts to be processed that is staggered forms ring arrangement, the inner cylinder face of conical ring centering unit matches with parts to be processed outer circumference surface, the inner conical surface of lateral surface and clamp body matches, elastic reset unit includes multiple elastic reset components, it is resetted for corresponding voussoir, pilot unit includes multiple guidance sets, corresponding voussoir is limited to be axially moved；The present invention provides the method for processing parts based on the fixture simultaneously.
Description
Technical field
The invention belongs to machine tool fixture technical fields, and in particular to the voussoir centralizer with outer male structure thin-wall annular part
And processing method
Background technique
When work pieces process face is with central factor, such as axis, central plane are process tolerances, in order to make datum coincidence with
Position error is reduced, centering and clamping mechanism need to be used.Centering and clamping mechanism can guarantee that the line of symmetry of workpiece, the plane of symmetry were clamping
Always in accurate fixed position in journey.
Centering and clamping mechanism is one of machine tool fixture mature technology, is widely applied in Machine Tool Fixture Design.Mesh
Before, after processing part uses Special lathe clamp, part to be packed into fixture, several axial bolts, make part on alignment jig circumference
The centre of gyration is overlapped with machine tool chief axis center, takes around 3~4 hours, is adjusted time-consuming；The part ovality of processing, wall thickness
Easily exceed drawing requirement, in addition, structure is complicated for existing centering and clamping mechanism, and when parts to be processed is thin with outer male structure
For wall circular part referring to Fig. 1, basic structure is thin wall circular structure, existing when outer circumference surface is provided with the platform of multiple protrusions
Centering and clamping mechanism is not available.
Summary of the invention
It is an object of the present invention to provide voussoir centralizers and processing method with outer male structure thin-wall annular part, existing to solve
When to have technology parts to be processed be with outer male structure thin-wall annular part, the problem of fixture is not available.
The technical solution of the invention is as follows：
Voussoir centralizer with outer male structure thin-wall annular part includes：Centering machine, elastic reset unit and guiding are single
Member；
The centering machine includes：Clamp body, gland and conical ring centering unit；
The clamp body is the flanged cylindrical structure in bottom, and the medial surface of cylindrical structure is inverted cone surface；
The gland medial surface is threadedly coupled with the lateral surface of cylindrical structure；
Conical ring centering unit includes：The medial surface structure of cylindrical structure is arranged in multiple voussoirs, the multiple voussoir
It is circlewise laid out, and multiple voussoirs are staggered the outer male structure with outer male structure thin-wall annular part；The conical ring centering unit
Inner cylinder face match with outer male structure thin-wall annular part outer circumference surface, conical ring feel relieved unit lateral surface and clamp body
Medial surface match；
The aperture of the gland upper surface is less than conical ring centering unit upper surface outer diameter, it can be ensured that when gland screws in,
Upper surface always with conical ring centering unit upper end face contact；
The elastic reset unit includes multiple elastic reset components, for popping up corresponding voussoir to gland direction；
The pilot unit includes multiple guidance sets, for limiting corresponding voussoir axially movable.
Further, the aperture of gland upper surface is slightly larger than the diameter of conical ring centering unit inner cylinder face, this
Setting ensure that gland upper surface and conical ring centering unit upper end face contact, and can not open gland and be put into parts to be processed.
Further, the number of the elastic reset component is not less than the number of voussoir.
Further, the elastic reset component includes plug screw, elastic component and ejector pin, close folder on the clamp body flange
It is provided with threaded hole at specific medial surface, plug screw is connected on clamp body by threaded hole, plug screw upper surface and elastic component one end
Contact, the other end and ejector pin lower end face contact of elastic component, the upper surface of ejector pin and voussoir lower end face contact.
Further, the guidance set includes two guider screws and waist type groove, and the waist type groove is arranged in clamp body
On side, the setting direction of waist type groove and axial consistent, the threaded hole there are two settings on the voussoir of clamp body, two guiding
Screw passes through the waist type groove on fixture body side surface, is connected in two threaded holes on voussoir.
Using the processing method of the thin-wall annular part of the voussoir centralizer of male structure thin-wall annular part outside above-mentioned band, including
Following steps：
1) process conical ring structure, guarantee that the excircle size of its inner cylinder face and parts to be processed matches, outer surface with
The inner conical surface of clamp body matches, be circumferentially divided into multiple voussoirs and remove its with umbo outside outer male structure thin-wall annular part
The part of structure interference；
2) multiple voussoirs are connected on clamp body inner wall by pilot unit, screw in gland, and guarantee elastic reset list
Member is in free state；
3) it secures fixtures on lathe, and guarantees concentricity；
4) it is packed into be processed in fixture with outer male structure thin-wall annular part；
5) gland is tightened, while voussoir squeezes elastic reset unit, self-centering is completed and clamps parts to be processed；
6) machine adds；
7) gland is unclamped, voussoir resets under the action of elastic reset unit；
8) parts to be processed is taken out.
Compared with prior art, the present invention has the following advantages that：
1, the present invention is provided with gland, conical ring centering unit and clamp body as centering machine, gland medial surface and folder
Specific cylindrical structure lateral surface is threadedly coupled, and conical ring centering unit includes multiple voussoirs, and multiple voussoirs are set with ring arrangement
The medial surface in cylindrical structure is set, and the outer male structure with outer male structure thin-wall annular part that is staggered, outside conical ring centering unit
Surface matches with clamp body inner surface, is disposed as inverted cone surface, and conical ring is felt relieved the inner cylinder face of unit, and with outer male structure
Thin-wall annular part outer circle matches, as long as such structure setting ensures that the surfaces externally and internally of conical ring centering unit coaxially can be true
It is coaxial to protect part to be measured, conical ring centering unit and clamp body, while clamping fixture for correcting outer circle and the lathe centre of gyration are coaxial, so that it may
It is not only time saving to realize the self-centering of parts to be processed, and precision is high.
2, the present invention is additionally provided with elastic reset unit, and elastic reset unit is made of multiple elastic reset components, each
One elastic reset component is at least set on voussoir, after part completion of processing, unscrews gland, voussoir is resetted, torn open convenient for part
It unloads.
3, the invention also includes pilot unit, voussoir can be connected on clamp body by pilot unit, and can limit wedge
Block moves axially so, and does not shift.
4, voussoir inner surface of the present invention is bonded with product to be processed outer circle large area, and be staggered circle product external convex portion, is protected
Uniform force in thin-wall part product processing has been demonstrate,proved, has not been deformed, has been conducive to control product inner hole machining accuracy.
5, the configuration of the present invention is simple, the outer male structure thin-wall annular part of clamping band are time saving and energy saving.
Detailed description of the invention
Fig. 1 is the present embodiment parts to be processed three-dimensional figure；
Fig. 2 is the structural schematic diagram of the present embodiment fixture；
Description of symbols：1-plug screw, 2-clamp bodies, 3-ejector pins, 4-glands, 5-guider screws, 6-voussoirs,
7-springs.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
The present invention relates to the voussoir centralizers with outer male structure thin-wall annular part, including centering machine, elastic reset list
Member and pilot unit.
Centering machine includes clamp body 2, gland 4 and conical ring centering unit；
As shown in Fig. 2, clamp body 2 is the flanged cylindrical structure in bottom, and the medial surface of cylindrical structure is inverted cone surface, pressure
4 medial surface of lid is threadedly coupled with the lateral surface of cylindrical structure, and conical ring unit of feeling relieved includes multiple voussoirs 6, and multiple voussoirs 6 are with ring
Shape layout is arranged on the medial surface of cylindrical structure, and the outer male structure with outer male structure thin-wall annular part that is staggered；Conical ring is fixed
The inner cylinder face of heart unit matches with outer male structure thin-wall annular part outer circumference surface, and when clamping, conical ring is felt relieved unit
Male cone (strobilus masculinus) fits with 2 medial surface of clamp body, and inner cylinder face fits with outer male structure thin-wall annular part excircle.Conical ring
The medial surface of the lateral surface and clamp body 2 of centering unit matches.The aperture of 4 upper surface of gland is less than on conical ring centering unit
End face outer diameter, slightly larger than the diameter of conical ring centering unit inner cylinder face, setting in this way can make 4 upper surface of gland and multiple wedges
6 upper end face contact of block, and may be implemented not unscrew gland 4 and parts to be processed can be put into fixture, it is large-scale to eliminate disassembly
The process of gland 4, it is time saving and energy saving, it is easy to operate.Gland is additionally provided with multiple holes on 4 side, tightens gland for tool auxiliary
4.When gland 4 screws in downwards, gland 4 presses 6 upper surface of voussoir, and voussoir 6 is forced to be axially moved, and clamps parts to be processed.
Meanwhile at least one elastic reset component is provided with below each voussoir 6, for by corresponding voussoir 6 to pressure
The pop-up of 4 direction of lid.Each voussoir 6 is lower in the present embodiment is arranged an elastic reset component, elastic reset component include plug screw 1,
Spring 7 and ejector pin 3, threaded hole is provided on 2 flange of clamp body at 2 medial surface of clamp body, and plug screw 1 passes through threaded hole connection
On clamp body 2,1 upper surface of plug screw and 7 end thereof contacts of spring, the other end and 3 lower end face contact of ejector pin of spring 7, ejector pin 3
Upper surface and 6 lower end face contact of voussoir, when gland 4 compresses voussoir 6 along 2 axial downward movement of clamp body, voussoir 6 pushes ejector pin 3
Downward compressed spring 7.After part completion of processing, gland 4 is unclamped, spring 7 ejects ejector pin 3, forces voussoir 6 to 4 direction of gland
It opens and resets, be in undamped state between voussoir 6 and processing part, part is facilitated to take out.
In addition, being additionally provided with pilot unit on fixture, pilot unit includes multiple guidance sets, and guidance set may insure
Voussoir 6 is axially moved along clamp body 2.In the present embodiment, guidance set includes two guider screws 5 and waist type groove.Waist type groove is set
It sets on 2 side of clamp body, the setting direction of waist type groove and axial consistent, the screw thread there are two settings on voussoir 6 of clamp body 2
Hole, two guider screws 5 pass through the waist type groove on fixture body side surface 2, are connected in the threaded hole on voussoir 6.It is oriented to spiral shell
Nail 5 can be axially moved in waist type groove along clamp body, can be limited voussoir to up and down motion, not shifted.
Based on the voussoir centralizer with outer male structure thin-wall annular part, present embodiments provide as shown in Figure 1 to be added
The processing method of work thin-wall part, includes the following steps：
1) process conical ring structure, guarantee that the excircle size of its inner cylinder face and parts to be processed matches, outer surface with
The inner conical surface of clamp body 2 matches, and is circumferentially divided into eight voussoirs 6, and removes on voussoir 6 and with outer male structure circular thin-wall
The part of the outer male structure interference of part can also directly take down the entire voussoir 6 of interference portion in segmentation；
2) multiple voussoirs 6 are connected on 2 inner wall of clamp body by pilot unit, screw in gland 4, and guarantee elastic reset
Unit is in free state；
3) fixture is fixed on lathe with pressing plate, clamping fixture for correcting outer circle and the lathe centre of gyration are coaxial；
4) it is packed into be processed in fixture with outer male structure thin-wall annular part；
5) gland 4 is tightened, 4 end face of gland compresses 6 upper surface of every piece of voussoir, forces voussoir 6 to be axially moveable, in clamp body
Under the action of 2 conical surface radial forces, voussoir 6 moves radially simultaneously, and self-centering simultaneously steps up parts to be processed, after clamping, voussoir 6
Inner surface fits with parts to be processed external cylindrical surface, and outer surface fits with clamp body；
6) part is processed on lathe；
7) part after processing is completed, unclamps gland 4, under the action of elastic reset unit, and voussoir 6 is axially moveable and answers
Position；
8) parts to be processed, is taken out；
When parts to be processed is identical, do not have to take out voussoir 6, voussoir 6 is reusable, and the present invention can be according to be processed zero
Part outer diameter size determines conical ring structure quantity to be cut.The configuration of the present invention is simple, easy to operate, achievable processing is big
It is the clamping and self-centering of the outer male structure thin-wall annular part of type band, high-precision, high in machining efficiency and can be greatly lowered useless
Product rate.
Conical ring centering unit inner cylinder face be：The inner cylinder face of complete conical ring before conical ring centering unit is undivided；
Conical ring centering unit male cone (strobilus masculinus) be：The male cone (strobilus masculinus) of complete conical ring before conical ring centering unit is not cut.
Claims (6)
1. the voussoir centralizer with outer male structure thin-wall annular part, it is characterised in that：Including centering machine, elastic reset unit
And pilot unit；
The centering machine includes：Clamp body (2), gland (4) and conical ring centering unit；
The clamp body (2) is the flanged cylindrical structure in bottom, and the medial surface of cylindrical structure is inverted cone surface；
Gland (4) medial surface is threadedly coupled with the lateral surface of cylindrical structure；
Conical ring centering unit includes：The medial surface of cylindrical structure is arranged in multiple voussoirs (6), the multiple voussoir (6)
Ring arrangement is constituted, and multiple voussoirs (6) are staggered the outer male structure with outer male structure thin-wall annular part；The conical ring centering
The inner cylinder face of unit matches with outer male structure thin-wall annular part outer circumference surface, the lateral surface and folder of conical ring centering unit
Specifically the medial surface of (2) matches；
The aperture of gland (4) upper surface is less than conical ring centering unit upper surface outer diameter；
The elastic reset unit includes multiple elastic reset components, for by corresponding voussoir (6) to gland (4) direction bullet
Out；
The pilot unit includes multiple guidance sets, for limiting corresponding voussoir (6) axially movable.
2. the voussoir centralizer of the outer male structure thin-wall annular part of band according to claim 1, it is characterised in that：Gland
(4) aperture of upper surface is greater than the diameter of conical ring centering unit inner cylinder face.
3. the voussoir centralizer of the outer male structure thin-wall annular part of band according to claim 1 or 2, it is characterised in that：Institute
The number for stating elastic reset component is not less than the number of voussoir (6).
4. the voussoir centralizer of the outer male structure thin-wall annular part of band according to claim 3, it is characterised in that：The bullet
Property reset assembly include plug screw (1), elastic component and ejector pin (3), close to clamp body (2) medial surface on clamp body (2) flange
Place is provided with threaded hole, and plug screw (1) is connected on clamp body (2) by threaded hole, and plug screw (1) upper surface and elastic component one terminate
Touching, the other end and ejector pin (3) lower end face contact of elastic component, the upper surface of ejector pin (3) and voussoir (6) lower end face contact.
5. the voussoir centralizer of the outer male structure thin-wall annular part of band according to claim 4, it is characterised in that：It is described to lead
It include two guider screws (5) and waist type groove to component, the waist type groove is arranged on clamp body (2) side, and waist type groove is set
It sets direction and the axial of clamp body (2) unanimously, on the voussoir (6) is arranged there are two threaded hole, two guider screws (5) pass through
Waist type groove on fixture body side surface (2) is connected in two threaded holes on voussoir (6).
6. using the thin-wall annular part of any voussoir centralizer with outer male structure thin-wall annular part of claim 1-5
Processing method, which is characterized in that include the following steps：
1) conical ring structure is processed, guarantees that the excircle size of its inner cylinder face and parts to be processed matches, outer surface and fixture
The inner conical surface of body (2) matches, be circumferentially divided into multiple voussoirs (6) and remove its with outer male structure thin-wall annular part evagination
The part of structure interference；
2) multiple voussoirs (6) are connected on clamp body (2) inner wall by pilot unit, are screwed in gland (4), and guarantee that elasticity is multiple
Bit location is in free state；
3) it secures fixtures on lathe, and guarantees concentricity；
4) it is packed into be processed in fixture with outer male structure thin-wall annular part；
5) it tightens gland (4), while voussoir (6) squeezes elastic reset unit, completes self-centering and clamp to be processed zero
Part；
6) machine adds；
7) gland (4) are unclamped, voussoir (6) resets under the action of elastic reset unit；
8) parts to be processed is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862217.1A CN108818090A (en) | 2018-08-01 | 2018-08-01 | Voussoir centralizer and processing method with outer male structure thin-wall annular part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862217.1A CN108818090A (en) | 2018-08-01 | 2018-08-01 | Voussoir centralizer and processing method with outer male structure thin-wall annular part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108818090A true CN108818090A (en) | 2018-11-16 |
Family
ID=64152455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810862217.1A Pending CN108818090A (en) | 2018-08-01 | 2018-08-01 | Voussoir centralizer and processing method with outer male structure thin-wall annular part |
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| CN (1) | CN108818090A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382676A (en) * | 2018-11-30 | 2019-02-26 | 攀枝花市润莹齿轮有限责任公司 | A kind of pitch circle fixture positioning tool |
| CN111604731A (en) * | 2020-06-01 | 2020-09-01 | 湖北首通电磁线科技有限公司 | Painting mold repairing device |
| CN112828510A (en) * | 2020-12-31 | 2021-05-25 | 国营四达机械制造公司 | Clamp for welding and repairing air bleeding casing |
| CN113103026A (en) * | 2021-03-09 | 2021-07-13 | 武汉镁里镁科技有限公司 | Annular part machining clamp and annular part machining method |
| CN113927324A (en) * | 2021-11-16 | 2022-01-14 | 山西柴油机工业有限责任公司 | Carbon scraping ring precision clamping device and carbon scraping ring clamping method |
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| EP0291048A1 (en) * | 1987-05-11 | 1988-11-17 | Gottlieb Gühring Kg | Coupling device between a work piece or work carrier and a spindle |
| CN202097592U (en) * | 2011-04-13 | 2012-01-04 | 中车集团四川丹齿零部件有限公司 | Positioning tool for tooth surface pitch cones of bevel gear shaft |
| CN202701855U (en) * | 2012-06-11 | 2013-01-30 | 长春轨道客车股份有限公司 | Upward operation inner centering mechanism |
| CN103240620A (en) * | 2013-05-19 | 2013-08-14 | 苏州博讯仪器有限公司 | Elastic clamp |
| CN104384546A (en) * | 2014-11-17 | 2015-03-04 | 重庆速腾机械制造有限公司 | Tool withdrawal groove processing tool for rod piece with external threads |
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2018
- 2018-08-01 CN CN201810862217.1A patent/CN108818090A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0291048A1 (en) * | 1987-05-11 | 1988-11-17 | Gottlieb Gühring Kg | Coupling device between a work piece or work carrier and a spindle |
| CN202097592U (en) * | 2011-04-13 | 2012-01-04 | 中车集团四川丹齿零部件有限公司 | Positioning tool for tooth surface pitch cones of bevel gear shaft |
| CN202701855U (en) * | 2012-06-11 | 2013-01-30 | 长春轨道客车股份有限公司 | Upward operation inner centering mechanism |
| CN103240620A (en) * | 2013-05-19 | 2013-08-14 | 苏州博讯仪器有限公司 | Elastic clamp |
| CN104384546A (en) * | 2014-11-17 | 2015-03-04 | 重庆速腾机械制造有限公司 | Tool withdrawal groove processing tool for rod piece with external threads |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382676A (en) * | 2018-11-30 | 2019-02-26 | 攀枝花市润莹齿轮有限责任公司 | A kind of pitch circle fixture positioning tool |
| CN111604731A (en) * | 2020-06-01 | 2020-09-01 | 湖北首通电磁线科技有限公司 | Painting mold repairing device |
| CN112828510A (en) * | 2020-12-31 | 2021-05-25 | 国营四达机械制造公司 | Clamp for welding and repairing air bleeding casing |
| CN112828510B (en) * | 2020-12-31 | 2022-07-29 | 国营四达机械制造公司 | Clamp for welding and repairing air bleeding casing |
| CN113103026A (en) * | 2021-03-09 | 2021-07-13 | 武汉镁里镁科技有限公司 | Annular part machining clamp and annular part machining method |
| CN113927324A (en) * | 2021-11-16 | 2022-01-14 | 山西柴油机工业有限责任公司 | Carbon scraping ring precision clamping device and carbon scraping ring clamping method |
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