CN105127811B - The automatic fixture that swollen positioning and end face are compressed in thin-wall annular gear part - Google Patents
The automatic fixture that swollen positioning and end face are compressed in thin-wall annular gear part Download PDFInfo
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- CN105127811B CN105127811B CN201510628917.0A CN201510628917A CN105127811B CN 105127811 B CN105127811 B CN 105127811B CN 201510628917 A CN201510628917 A CN 201510628917A CN 105127811 B CN105127811 B CN 105127811B
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- gear
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- thin
- elastic component
- swollen
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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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
-
- 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
-
- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Gears, Cams (AREA)
- Gear Processing (AREA)
Abstract
The invention discloses the automatic fixture that swollen positioning and end face are compressed in a kind of thin-wall annular gear part, it is characterized in that：Terminal pad is arranged on lathe spindle ring flange, swollen elastic component is arranged on by seam on the end face of terminal pad in gear, axial positioning sleeve is sleeved in gear outside swollen elastic component, swollen elastic component carries internal taper hole in gear, inner cone hole section provided with open slot and forms conical surface expanding structure with expansion core, and thin-wall annular gear part is close on the external tooth of swollen elastic component in gear and with the end face of axial positioning sleeve；The butt end of stretching screw is connected with lathe pull bar and uses pull bar round nut to lock, and expansion core, disk spring, end face pressure ring are mounted in the taper end of stretching screw, are compressed with adjusting nut；End face pressure ring provides axial thrust by disk spring to expansion core, swollen elastic component distending in gear is eliminated its installation gap between part, and the end face for compressing thin-wall annular gear part by opening pressing plate is realized and clamped.The present invention can realize being accurately positioned for thin-wall annular gear part.
Description
Technical field
The present invention relates to the frock clamp of mechanical processing industry, in the thin-walled that more specifically a kind of automatic lathe is used
The automatic fixture that swollen positioning and end face are compressed in gear ring part.
Background technology
Automatic lathe processes the outer bowlder of thin-wall annular gear part, typically can not be with power chuck, it is necessary to using interior swollen bullet
Property fixture or pressure side face fixture.Because the rigidity of thin-wall annular gear part is small, existing interior swollen spring chuck can still make part
Clamping deformation is produced, machining accuracy is influenceed；The machining accuracy of pressure side face fixture depends on radial positioning essence of the part on fixture
Degree, and to load on fixture and take out part, radial clearance must be left between fixture and part, the position of this radial clearance
It is random fluctuation to put in clamping parts, so, the radially installed gap influence machining accuracy of pressure side face frock.
The content of the invention
The purpose of the present invention be for automatic lathe provide in a kind of thin-wall annular gear part it is swollen positioning and end face compress from
Dynamic fixture, fixture makes the accurate radial direction of part by the interior swollen radially installed gap eliminated between fixture and thin-wall annular gear part
Positioning, then compressing component end face, clamping of the realization to part again, improves the machining accuracy of part to be processed.
Technical problem solved by the invention is realized using following technical scheme：
The automatic fixture of swollen positioning and end face compression is structurally characterized in that in thin-wall annular gear part of the present invention：Terminal pad is used
Terminal pad screw is arranged on the spindle flange disk of lathe, and swollen elastic component is arranged on by seam and elastic component screw and connected in gear
Connect on the end face of disk；Axial positioning sleeve is sleeved in gear outside swollen elastic component, and the end of terminal pad is fixed on positioning sleeve screw
On face；Swollen elastic component carries internal taper hole in gear, and inner cone hole section provided with open slot and forms conical surface expanding structure with expansion core, thin
Wall ring gear part is close on the external tooth of swollen elastic component in gear and with the end face of axial positioning sleeve；The butt end of stretching screw
Be connected with lathe pull rod screw, with pull bar round nut axial locking, and with round nut lock-screw by pull bar round nut radially
Locking；Expansion core, disk spring, end face pressure ring are mounted in the taper end of stretching screw, and are compressed with adjusting nut；When stretching screw is drawn
When tight, end face pressure ring provides axial thrust by disk spring to expansion core, and expansion core makes swollen elastic component distending in gear by the conical surface,
Fitted with the internal tooth gapless of thin-wall annular gear part, then pass through the end face of opening pressing plate compression thin-wall annular gear part.
The design feature for the automatic fixture that swollen positioning and end face are compressed is lain also in thin-wall annular gear part of the present invention：
The profile of the inner cone hole section of swollen elastic component is external gear in the gear, and the inner cone hole section is provided with decile opening
Groove, the external gear is non-full gear, does not have gear teeth on the position of open slot, the external gear under not swelling state
Tooth form and the ring gear tooth gaps of processed thin-wall annular gear part coordinate.
The interior interporal lacuna of the left end external cylindrical surface of the expansion core and swollen elastic component in gear coordinates；Stretching screw passes through expansion core
Endoporus；The disk spring is arranged between expansion core and end face pressure ring, and the disk spring is installed in the inner chamber of expansion core simultaneously
One section is stretched out, expansion core is by promoting the tension force that swollen elastic component applies to the thin-wall annular gear part in gear can be by adjusting
The reed quantity and adjusting nut of whole disk spring are adjusted accordingly.
Swollen elastic component is flexible in the gear, and material is spring steel, and thermally treated.
Compared with the prior art, beneficial effects of the present invention are embodied in：
1st, the method clamping thin-wall annular gear part that the present invention is combined using interior swollen and pressure side face, is pressed from both sides by interior swollen eliminate
Installation gap between tool and thin-wall annular gear part, realizes being accurately positioned for thin-wall annular gear part, then will by pressure side face
Part is fixed, and forms clamping, solves the problem of thin-wall annular gear part clamping deformation.The tension force of fixture can pass through adjustment
The reed quantity and adjusting nut of disk spring are adjusted, and disk spring pressure and end face thrust sum are drawn equal to lathe
The pulling force of bar.
2nd, the stretching screw and the pull bar of automatic lathe that the present invention is designed are connected, and the power of holding parts comes from rotation oil
Cylinder or rotary cylinder, realize mechanization, alleviate the labor intensity of operating personnel, can realize the quick-clamping of part, work
Make efficiency high.
3rd, the present invention is simple in construction, easy to use；Because the method being combined using interior swollen and pressure side face is clamped in thin-walled
Gear ring part, clamp precision is high.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure three-dimensional cut away view of the present invention；
Fig. 3 is structure three-dimensional explosive view of the present invention.
In figure：1 lathe pull bar, 2 pull bar round nuts, 3 round nut lock-screws, 4 spindle flange disks, 5 terminal pads, 6 connections
Valve snail is followed closely, 7 axial positioning sleeves, 8 elastic component screws, 9 positioning sleeve screws, 10 thin-wall annular gear parts, swollen elastic component in 11 gears,
12 expansion cores, 13 opening pressing plates, 14 disk springs, 15 end face pressure rings, 16 adjusting nuts, 17 stretching screws.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is schematic structural view of the invention；Fig. 2 is structure three-dimensional cut away view of the present invention；Fig. 3
For structure three-dimensional explosive view of the present invention.
The structure type for the automatic fixture that swollen positioning and end face are compressed is in thin-wall annular gear part in the present embodiment：Connection
Disk 5 is arranged on terminal pad screw 6 on the spindle flange disk 4 of lathe, and swollen elastic component 11 passes through seam and elastic component spiral shell in gear
Nail 8 is arranged on the end face of terminal pad 5；Axial positioning sleeve 7 is sleeved on the swollen outside of elastic component 11 in gear, with positioning sleeve screw 9
On the end face for being fixed on terminal pad 5；Swollen elastic component 11 carries internal taper hole in gear, and inner cone hole section is provided with open slot and and expansion core
12 form conical surface expanding structure, and thin-wall annular gear part 10 is mounted in gear on the external tooth of swollen elastic component 11 and and axial positioning sleeve
7 end face is close to；The butt end of stretching screw 17 is threadedly coupled with lathe pull bar 1, with the axial locking of pull bar round nut 2, and is used
Round nut lock-screw 3 radially locks pull bar round nut 2；Expansion core 12, disk spring 14, end face pressure ring 15 are mounted in stretching screw
17 taper end, and compressed with adjusting nut 16；When stretching screw 17 is tightened up, end face pressure ring 15 is by disk spring 14 to swollen
Core 12 provides axial thrust, and expansion core 12 makes the swollen distending of elastic component 11 in gear by the conical surface, in thin-wall annular gear part 10
Tooth gapless is fitted, then passes through the end face of the compression thin-wall annular gear of opening pressing plate 13 part 10.
In specific implementation, corresponding structure setting also includes：
Swollen elastic component 11 carries internal taper hole in gear, and the profile of inner cone hole section is external gear, the inner cone hole section provided with etc.
Divide open slot, external gear is non-full gear, does not have gear teeth on the position of open slot, the external gear under not swelling state
Tooth form and the ring gear tooth gaps of processed thin-wall annular gear part 10 coordinate.
The interior interporal lacuna of the left end external cylindrical surface of expansion core 12 and swollen elastic component 11 in gear coordinates；Stretching screw 17 passes through swollen
The endoporus of core 12；Disk spring 14 is arranged between expansion core 12 and end face pressure ring 15, and disk spring 14 is installed in the interior of expansion core 12
In chamber and stretch out one section, expansion core 12 is by promoting the swelling that swollen elastic component 11 applies to the thin-wall annular gear part 10 in gear
Power can be adjusted accordingly by adjusting the reed quantity and adjusting nut 16 of disk spring 14；Swollen elastic component 11 in gear
Flexible, material is spring steel, and thermally treated.
Lathe pull bar 1 drives pull bar round nut 2, expansion core 12, disk spring 14, end face by stretching screw 17 in the present invention
Pressure ring 15, adjusting nut 16 are moved back and forth.Swollen elastic component 11 is arranged on terminal pad 5 by seam and elastic component screw 8 in gear
End face on.When stretching screw 17 is released, thin-wall annular gear part 10 is attached in gear on the external tooth of swollen elastic component 11
And be close to the end face of axial positioning sleeve 7, it is reloaded into opening pressing plate 13；When stretching screw 17 is tightened up, expansion core 12 first with
The swollen taper-face contact of elastic component 11 and it is blocked in gear, as stretching screw 17 continues to tense, disk spring 14 is compressed, and produces
Raw axial force makes the swollen distending of elastic component 11 in gear by expansion core 12, is fitted with thin-wall annular gear part 10, eliminates the two it
Between installation gap；After end contact and the compression of opening pressing plate 13 and thin-wall annular gear part 10, disk spring 14 is no longer
Compressed, now just complete the clamping to thin-wall annular gear part 10, clamping action is compressed mainly by end face.Disk spring
Pressure can be adjusted by the reed quantity and adjusting nut 16 of disk spring, the pressure and end face thrust sum of disk spring
Equal to the pulling force of lathe pull bar.
The expansion of swollen elastic component 11 only eliminates installation gap, tension force very little, clamping action in middle gear of the present invention
Compressed mainly by end face, the radial deformation very little after thin-wall annular gear part 10 is clamped solves thin-wall annular gear part
Clamping problem, improves the machining accuracy of thin-wall annular gear part.
Claims (2)
1. the automatic fixture that swollen positioning and end face are compressed in a kind of thin-wall annular gear part, it is characterized in that：Terminal pad (5) connection
Valve snail nail (6) is arranged on the spindle flange disk (4) of lathe, and swollen elastic component (11) passes through seam and elastic component screw in gear
(8) on the end face of terminal pad (5)；Axial positioning sleeve (7) is sleeved in gear outside swollen elastic component (11), uses positioning sleeve
Screw (9) is fixed on the end face of terminal pad (5)；Swollen elastic component (11) carries internal taper hole in gear, and inner cone hole section is provided with and opened
Mouthful groove and with expansion core (12) formation conical surface expanding structure, thin-wall annular gear part (10) mounted in gear swollen elastic component (11) it is outer
It is close on tooth and with the end face of axial positioning sleeve (7)；The butt end of stretching screw (17) is threadedly coupled with lathe pull bar (1), with drawing
Bar round nut (2) axial locking, and radially locked pull bar round nut (2) with round nut lock-screw (3)；Expansion core (12),
Disk spring (14), end face pressure ring (15) are mounted in the taper end of stretching screw (17), and are compressed with adjusting nut (16)；When tension spiral shell
When bar (17) is tightened up, end face pressure ring (15) provides expansion core (12) axial thrust by disk spring (14), and expansion core (12) is led to
Crossing the conical surface makes swollen elastic component (11) distending in gear, is fitted with the internal tooth gapless of thin-wall annular gear part (10), then by opening
Mouth pressing plate (13) compresses the end face of thin-wall annular gear part (10)；
The profile of the inner cone hole section of swollen elastic component (11) is external gear in the gear, and the inner cone hole section is provided with decile opening
Groove, the external gear is non-full gear, does not have gear teeth on the position of open slot, the external gear under not swelling state
Tooth form and the ring gear tooth gaps of processed thin-wall annular gear part (10) coordinate；
The left end external cylindrical surface of the expansion core (12) and the interior interporal lacuna of swollen elastic component (11) in gear coordinate；Stretching screw (17)
Through the endoporus of expansion core (12)；The disk spring (14) is arranged between expansion core (12) and end face pressure ring (15), the dish
Spring (14) is installed in the inner chamber of expansion core (12) and stretches out one section, expansion core (12) by promote in gear swollen elastic component (11) to
The tension force that the thin-wall annular gear part (10) applies can be by adjusting reed quantity and the adjustment of disk spring (14)
Nut (16) is adjusted accordingly；
Lathe pull bar (1) drives pull bar round nut (2), expansion core (12), disk spring (14), end face pressure by stretching screw (17)
Ring (15) and adjusting nut (16) are moved back and forth；When stretching screw (17) is released, thin-wall annular gear part (10) is attached to
It is close in gear on the external tooth of swollen elastic component (11) and with the end face of axial positioning sleeve (7), is reloaded into opening pressing plate (13)；Work as drawing
When tight screw rod (17) is tightened up, expansion core (12) is first with swollen elastic component (11) taper-face contact in gear and being blocked, with tension
Screw rod (17) continues to tense, and disk spring (14) is compressed, and the axial force of generation makes swollen elasticity in gear by expansion core (12)
Part (11) distending, fits with thin-wall annular gear part (10), eliminates installation gap therebetween；When opening pressing plate (13) with it is thin
After the end contact and compression of wall ring gear part (10), disk spring (14) is no longer compressed, and completes to thin-wall annular gear zero
The clamping of part (10)；The pressure and end face thrust sum of disk spring are equal to the pulling force of lathe pull bar.
2. the automatic fixture that swollen positioning and end face are compressed in thin-wall annular gear part according to claim 1, it is characterized in that：
Swollen elastic component (11) is flexible in the gear, and material is spring steel, and thermally treated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510628917.0A CN105127811B (en) | 2015-09-25 | 2015-09-25 | The automatic fixture that swollen positioning and end face are compressed in thin-wall annular gear part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510628917.0A CN105127811B (en) | 2015-09-25 | 2015-09-25 | The automatic fixture that swollen positioning and end face are compressed in thin-wall annular gear part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105127811A CN105127811A (en) | 2015-12-09 |
| CN105127811B true CN105127811B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510628917.0A Active CN105127811B (en) | 2015-09-25 | 2015-09-25 | The automatic fixture that swollen positioning and end face are compressed in thin-wall annular gear part |
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| CN (1) | CN105127811B (en) |
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| CN107891162B (en) * | 2017-12-13 | 2023-12-22 | 合肥鼎聚精密制造有限责任公司 | Automatic clamp for grooving end surfaces of thin side plates |
| CN110712050A (en) * | 2018-07-11 | 2020-01-21 | 无锡安尔达机械有限公司 | Quick clamping device for groove milling of metal sealing ring |
| CN108861893A (en) * | 2018-08-29 | 2018-11-23 | 陕西国防工业职业技术学院 | Sleeve clamping device |
| CN110205470A (en) * | 2019-06-18 | 2019-09-06 | 北京航空航天大学 | A kind of fixture of heat treatment of thin-wall annular gear |
| CN112705966A (en) * | 2020-11-25 | 2021-04-27 | 河南航天液压气动技术有限公司 | Internal supporting and clamping fixture for precise thin-walled piece |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVR20110229A1 (en) * | 2011-12-22 | 2013-06-23 | Spl Soluzioni S R L | GRIPPING DEVICE FOR LOCKING CYLINDRICAL METAL CONTAINERS INTENDED FOR WORKING THROUGH OPERATING MACHINES |
| CN103753239A (en) * | 2013-11-22 | 2014-04-30 | 重庆盾铭电磁阀有限公司 | Thin-walled part fixing device |
| CN203636121U (en) * | 2013-11-29 | 2014-06-11 | 无锡威孚中意齿轮有限责任公司 | Dish type gear shaving tool |
| CN104002160B (en) * | 2014-06-18 | 2016-04-06 | 合肥波林新材料股份有限公司 | A kind of outer armful of elasticity automatic fixture of axial location |
| CN204053149U (en) * | 2014-08-26 | 2014-12-31 | 河南蒲瑞精密机械有限公司 | Workpiece centering clamping device |
| CN204366453U (en) * | 2014-12-15 | 2015-06-03 | 台州学院 | Lathe process is with extending out formula thin-wall workpiece clamping device |
| CN205201113U (en) * | 2015-09-25 | 2016-05-04 | 合肥波林新材料股份有限公司 | Automatic clamp that location and terminal surface of expanding in thin wall ring gear part compressed tightly |
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2015
- 2015-09-25 CN CN201510628917.0A patent/CN105127811B/en active Active
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| CN105127811A (en) | 2015-12-09 |
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