CN104723142B - The axiality processing unit (plant) and processing method of high-precision rotary frame - Google Patents
The axiality processing unit (plant) and processing method of high-precision rotary frame Download PDFInfo
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- CN104723142B CN104723142B CN201510125739.XA CN201510125739A CN104723142B CN 104723142 B CN104723142 B CN 104723142B CN 201510125739 A CN201510125739 A CN 201510125739A CN 104723142 B CN104723142 B CN 104723142B
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- Prior art keywords
- positioning
- hole
- frame
- core axle
- positioning core
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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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
Abstract
The present invention relates to a kind of axiality processing unit (plant) of high-precision rotary frame, it includes workbench, positioning core axle on the table is installed by fixing bolt and corresponding T-slot nut, is arranged on machine tool chief axis and borer corresponding with positioning core axle, wherein, the positioning core axle is provided with positioning round table, the side of the positioning round table is locating surface, positioning round table is used for the positioning hole for being inserted in revolution frame one end, the positioning core axle is provided with the hold-down bolt for being used for compressing positioning core axle with revolution frame, and the borer is located at turn around the other end of frame.The present invention can not only improve the processing efficiency of revolution frame axiality, it can also be ensured that machining accuracy and product quality.
Description
Technical field
The present invention relates to machining technology field, and in particular to a kind of axiality processing unit (plant) of high-precision rotary frame and
Processing method.
Background technology
Revolution frame generally applies to the high-precision products such as three-dimensional turntable, and its rotating accuracy is main by the same of one group of central shaft hole
Axle degree accuracy guarantee, the height of coaxial accuracy influences the final performance of product, and the coaxial accuracy of high-precision rotary frame is general
In micron order, the Boring machine processing high-precision rotary frame with rotary table is generally used at present, by the revolution essence of rotary table
The limitation of degree is, it is necessary to repeatedly beat table centering；Main shaft circular runout also influences the machining accuracy in hole, and coaxial accuracy does not often reach
It is required that；And boring machine rotating speed is low, inefficiency.
The content of the invention
It is an object of the invention to provide a kind of axiality processing unit (plant) of high-precision rotary frame and processing method, the device
The processing efficiency of revolution frame axiality can be not only improved with method, it can also be ensured that machining accuracy and product quality.
In order to solve the above technical problems, a kind of axiality processing unit (plant) of high-precision rotary frame disclosed by the invention, it is wrapped
Workbench is included, positioning core axle on the table is installed by fixing bolt and corresponding T-slot nut, machine tool chief axis is arranged on
Borer upper and corresponding with positioning core axle, wherein, the positioning core axle is provided with positioning round table, the side of the positioning round table
For locating surface, positioning round table is used for the positioning hole for being inserted in revolution frame one end, and the positioning core axle, which is provided with, to be used for positioning core axle
The hold-down bolt compressed with revolution frame, the borer is located at turn around the other end of frame；
The flatness scope of the positioning core axle bottom surface is 0~0.001mm, the flatness scope of the step surface of positioning core axle
For 0~0.002mm, the depth of parallelism scope of the step surface and bottom surface is 0~0.002mm, the locating surface and bottom surface perpendicularity
Scope is 0~0.002mm.
A kind of axiality processing unit (plant) using above-mentioned high-precision rotary frame carries out the method for turning round the coaxial hole machined of frame, it
Comprise the following steps：
Step 1：Positioning core axle is installed on the table by fixing bolt and T-slot nut, table is played and determines setting circle
The axle center of platform, machining coordinate origin is set to by the axle center of above-mentioned positioning round table；
Step 2：The positioning hole coating lubricating oil of frame will be turned round, the locating surface and step surface of positioning core axle are also smeared simultaneously
Lubricating oil, is inserted in the positioning round table of positioning core axle, and ensure that the medial surface of positioning hole and locating surface fill by the positioning hole for turning round frame
Divide laminating, then revolution frame is pressed on positioning core axle with hold-down bolt；
Step 3：Start lathe, by the basis of the machining coordinate origin that has been set in step 1, using installed in lathe master
Borer on axle is finished to the hole for turning round the frame other end, and the hole formed after finishing and positioning hole are coaxial.
Beneficial effects of the present invention：
1st, it is designed by structure and its set-up mode to positioning core axle, can be positioned, not only avoided with clamped one time
Play table and repeat centering, and reduce main shaft extension elongation, it is to avoid the influence of main shaft circular runout device to hole machining accuracy, can process
Axiality is in micron-sized revolution frame.
2nd, compact overall structure of the invention, be easy to processing and manufacturing, can not only improve the processing effect of revolution frame axiality
Rate, it can also be ensured that machining accuracy and product quality, easily forms mass production capabilities.
Brief description of the drawings
Fig. 1 is embodiments of the invention structural representation；
Fig. 2 for Fig. 1 A to schematic diagram；
Fig. 3 is Fig. 2 B-B diagrammatic cross-sections；
Cross section structure diagrams of the Fig. 4 for positioning core axle of the invention in one direction；
Cross section structure diagrams of the Fig. 5 for positioning core axle of the invention in the other directions；
Fig. 6 is revolution mount structure schematic diagram of the invention；
Fig. 7 for Fig. 6 C to schematic diagram.
Wherein, 1-workbench, 2-positioning core axle, 2.1-locating surface, 2.2-step surface, 2.3-bottom surface, 2.4-the
Two screwed holes, 2.5-positioning round table, 2.6-stepped hole, 2.7-through hole, 3-hold-down bolt, 4-fixing bolt, 5-T-slot
Nut, 6-revolution frame, 6.1-positioning hole, the 6.2-the first screwed hole, 7-borer, 8-hole.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail：
The axiality processing unit (plant) of the high-precision rotary frame of the present invention, as shown in Fig. 1~7, it includes (the T-slot of workbench 1
Workbench), the positioning core axle 2 that is arranged on by fixing bolt 4 and corresponding T-slot nut 5 on workbench 1, be arranged on lathe
On main shaft and borer 7 corresponding with positioning core axle 2, wherein, the positioning core axle 2 is provided with positioning round table 2.5, the positioning
The side of round platform 2.5 is locating surface 2.1, and positioning round table 2.5 is used for the positioning hole 6.1 for being inserted in revolution frame 6 one end, the locating core
Axle 2 is provided with the hold-down bolt 3 for being used for compressing positioning core axle 2 with revolution frame 6, and the borer 7 is located at turn around the another of frame 6
One end；
The flatness scope of the bottom surface 2.3 of positioning core axle 2 is 0~0.001mm, the step surface 2.2 of positioning core axle 2 it is flat
Face degree scope is 0~0.002mm, and the depth of parallelism scope of the step surface 2.2 and bottom surface 2.3 is 0~0.002mm, the locating surface
2.1 be 0~0.002mm with the perpendicularity scope of bottom surface 2.3.When precision is less than These parameters scope, machining accuracy will be unable to reach
To micron order.
In above-mentioned technical proposal, the bottom surface 2.3 of positioning core axle 2 uses attrition process.
In above-mentioned technical proposal, the gap between the positioning hole 6.1 of the revolution frame 6 and the locating surface 2.1 of positioning core axle 2
Scope is 0.005mm~0.01mm.When precision is less than These parameters scope, machining accuracy will be unable to reach micron order.
In above-mentioned technical proposal, corresponding with the first screwed hole 6.2 for turning round frame 6 the is offered on the positioning core axle 2
Two screwed holes 2.4, the hold-down bolt 3 can coordinate with the first screwed hole 6.2 and the screw thread of the second screwed hole 2.4.
In above-mentioned technical proposal, through hole 2.7 is further opened with the positioning core axle 2 and positioned at the top of through hole 2.7 and with
The stepped hole 2.6 that through hole 2.7 is connected, the T-slot nut 5 is arranged on workbench 1, and the fixing bolt 4 passes through stepped hole
2.6 and through hole 2.7 after be threadedly coupled with T-slot nut 5.Stepped hole 2.6 ensures that the head of fixing bolt 4 does not protrude positioning core axle 2
Upper surface.
A kind of axiality processing unit (plant) using above-mentioned high-precision rotary frame carries out the method for turning round the coaxial hole machined of frame, it
Comprise the following steps：
Step 1：Positioning core axle 2 is arranged on workbench 1 by fixing bolt 4 and T-slot nut 5, table is played and determines to determine
The axle center of circle of position platform 2.5, the axle center of the positioning round table 2.5 makes the beating degree scope of locating surface 2.1 be 0~0.002mm, will be above-mentioned
The axle center of positioning round table 2.5 is set to machining coordinate origin；
Step 2：The coating lubricating oil of positioning hole 6.1 of frame 6 will be turned round, by the locating surface 2.1 and step surface of positioning core axle 2
2.2 also coating lubricating oils simultaneously, are inserted in the positioning round table 2.5 of positioning core axle 2, and ensure positioning by the positioning hole 6.1 for turning round frame 6
The medial surface in hole 6.1 is fully fitted with locating surface 2.1, then revolution frame 6 is pressed on positioning core axle 2 with hold-down bolt 3；
Step 3：Start lathe, by the basis of the machining coordinate origin that has been set in step 1, using installed in lathe master
Hole (the hole just preparatory processing before the processing method of the present invention is carried out of 7 pairs of revolution other ends of frame 6 of borer on axle
It is good) finished that { because machining coordinate origin has been set, at this moment main shaft is not required to stretch out that very long (main shaft stretching is longer, just
Property it is poorer, main axis jerking is bigger, and machining accuracy is poorer), main shaft run-out is negligible, and (main shaft outreach is short, just
Property good, main axis jerking degree very little, can be ignored) }, the hole 8 that is formed and positioning hole 6.1 are coaxial after punching finishing；
Step 4：Hold-down bolt 3 is dismantled, revolution frame 6 is rotated, and revolution frame 6 is extracted from positioning round table 2.5；
The revolution frame 6 more renewed, repeat step 2 and step 3, because machine tool chief axis is located, other can be carried out immediately
Turn round the installation and processing of frame 6.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
Claims (2)
1. a kind of axiality processing unit (plant) using high-precision rotary frame carries out the method for turning round the coaxial hole machined of frame, described high-precision
The axiality processing unit (plant) of degree revolution frame includes workbench (1), installed by fixing bolt (4) and corresponding T-slot nut (5)
Positioning core axle (2) on workbench (1), it is arranged on machine tool chief axis and borer (7) corresponding with positioning core axle (2),
Wherein, the positioning core axle (2) is provided with positioning round table (2.5), and the side of the positioning round table (2.5) is locating surface (2.1), fixed
Circle of position platform (2.5) is used for the positioning hole (6.1) for being inserted in revolution frame (6) one end, and the positioning core axle (2), which is provided with, to be used for positioning
The hold-down bolt (3) that mandrel (2) is compressed with revolution frame (6), the borer (7) is located at turn around the other end of frame (6)；
The flatness scope of positioning core axle (2) bottom surface (2.3) is 0~0.001mm, the step surface (2.2) of positioning core axle (2)
Flatness scope be 0~0.002mm, the depth of parallelism scope of the step surface (2.2) and bottom surface (2.3) is 0~0.002mm, institute
The perpendicularity scope for stating locating surface (2.1) and bottom surface (2.3) is 0~0.002mm；
It is described revolution frame (6) positioning hole (6.1) and positioning core axle (2) locating surface (2.1) between interstice coverage be
0.005mm~0.01mm；
Through hole (2.7) is further opened with the positioning core axle (2) and is connected above the through hole (2.7) and with through hole (2.7)
Stepped hole (2.6), the T-slot nut (5) is arranged on workbench (1), and the fixing bolt (4) passes through stepped hole
(2.6) it is threadedly coupled afterwards with T-slot nut (5) with through hole (2.7)；
Characterized in that, the revolution coaxial hole forming method of frame comprises the following steps：
Step 1：Positioning core axle (2) is arranged on workbench (1) by fixing bolt (4) and T-slot nut (5), table is played true
Determine the axle center of positioning round table (2.5), the axle center of the positioning round table (2.5) make the beating degree scope of locating surface (2.1) for 0~
0.002mm, machining coordinate origin is set to by the axle center of above-mentioned positioning round table (2.5)；
Step 2：Positioning hole (6.1) coating lubricating oil of frame (6) will be turned round, by the locating surface (2.1) and step of positioning core axle (2)
Face (2.2) is while also coating lubricating oil, the positioning hole (6.1) for turning round frame (6) is inserted in the positioning round table of positioning core axle (2)
(2.5), and ensure that the medial surface of positioning hole (6.1) is fully fitted with locating surface (2.1), then frame will be turned round with hold-down bolt (3)
(6) it is pressed on positioning core axle (2)；
Step 3：Start lathe, by the basis of the machining coordinate origin that has been set in step 1, using on machine tool chief axis
Borer (7) hole for turning round frame (6) other end is finished, the hole (8) formed after finishing and positioning hole (6.1)
Coaxially；
Step 4：Hold-down bolt (3) is dismantled, revolution frame (6) is rotated, and revolution frame (6) is extracted from positioning round table (2.5)；
The revolution frame (6) more renewed, repeat step 2 and step 3, because machine tool chief axis is located, other times can be carried out immediately
Turn the installation and processing of frame (6).
2. the revolution coaxial hole forming method of frame according to claim 1, it is characterised in that：Opened on the positioning core axle (2)
Provided with the second screwed hole (2.4) corresponding with the first screwed hole (6.2) of revolution frame (6), the hold-down bolt (3) can be with first
Screwed hole (6.2) and the second screwed hole (2.4) screw thread coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125739.XA CN104723142B (en) | 2015-03-23 | 2015-03-23 | The axiality processing unit (plant) and processing method of high-precision rotary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125739.XA CN104723142B (en) | 2015-03-23 | 2015-03-23 | The axiality processing unit (plant) and processing method of high-precision rotary frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104723142A CN104723142A (en) | 2015-06-24 |
| CN104723142B true CN104723142B (en) | 2017-08-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881634A (en) * | 2015-12-10 | 2017-06-23 | 贵州红林机械有限公司 | A kind of processing method of steel part bushing stepped hole axiality |
| CN107160209B (en) * | 2017-07-18 | 2023-05-30 | 邢台中伟卓特液压科技有限公司 | Special frock of seat arc sways |
| CN109202140B (en) * | 2018-11-12 | 2020-04-21 | 中电科仪器仪表有限公司 | Precise machining method for terahertz waveguide flange |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU774907A1 (en) * | 1979-01-11 | 1980-10-30 | Предприятие П/Я М-5921 | Work-clamping device |
| CN201432205Y (en) * | 2009-06-17 | 2010-03-31 | 抚顺煤矿电机制造有限责任公司 | General tire |
| CN202114490U (en) * | 2011-04-26 | 2012-01-18 | 龙工(福建)桥箱有限公司 | 50 loading machine gearbox casing processing apparatus |
| CN202151786U (en) * | 2011-06-27 | 2012-02-29 | 哈尔滨汽轮机厂有限责任公司 | Broaching clamp for wheel slot of wheel disc of gas turbine engine |
| CN202780633U (en) * | 2012-08-23 | 2013-03-13 | 苏州欧能螺杆技术有限公司 | Lathe locating device for central bracket facing |
| CN202943441U (en) * | 2012-09-27 | 2013-05-22 | 贵州詹阳动力重工有限公司 | Special fixture used for rescue engineering vehicle transitional connecting plate |
| CN203542148U (en) * | 2013-11-26 | 2014-04-16 | 豪利机械(苏州)有限公司 | Machining center fixture with replaceable positioning base |
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