CN106002377B - The processing method for improving part relative opening coaxial accuracy - Google Patents
The processing method for improving part relative opening coaxial accuracy Download PDFInfo
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- CN106002377B CN106002377B CN201610478718.0A CN201610478718A CN106002377B CN 106002377 B CN106002377 B CN 106002377B CN 201610478718 A CN201610478718 A CN 201610478718A CN 106002377 B CN106002377 B CN 106002377B
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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
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
- B23Q17/2291—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the workpiece relative to the holder thereof
-
- 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
- B23Q3/10—Auxiliary devices, e.g. bolsters, extension members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The present invention relates to the processing methods for improving part relative opening coaxial accuracy, pass through the error correction tooling of design specialized, parts to be processed is mounted on the workbench of numerically-controlled machine tool by error correction tooling, the positional relationship between spherical displacer and machine tool chief axis and work table rotation axis is measured by gauge head, obtain the base position of part vertical processing and horizontal processing, to significantly improve the machining accuracy of vertical processing and horizontal processing, wherein error correction tooling includes calibration component, Anchor plate kit, isometry block and cushion block, the present invention eliminates the kinematic error of each axis of numerically-controlled machine tool to greatest extent, keep the concentricity of part relative opening only related to centering precision, significantly improve the precision of part to be prepared.
Description
Technical field
The present invention relates to the processing methods for improving part relative opening coaxial accuracy, belong to Computerized Numerical Control processing technology field.
Background technique
Numerically-controlled machine tool processes frame clsss part, to guarantee that hole location is coaxial on each side wall, generally just using horizontal processing method
It is to complete boring processing in side, by rotating circular disc, reprocesses each lateral aperture.When due to disk error or the not stringent position of frame
When disc centre, it will lead to and large error occurs when processing another side opening.Sometimes it is limited by part or main shaft boring cutter rigidity,
Two holes can not be bored in side.If in addition the movement of disk, composition error is unable to satisfy processing needs.It can choose at this time
One transition baseline eliminates error by the method for centering transition baseline, but how to find transition baseline and be processed to disappear
Except error becomes urgent problem to be solved.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency of the prior art, provides and improve part relative opening coaxial accuracy
Processing method, this method reduce FRAME COMPONENTS relative opening coaxiality error, significantly improve the machining accuracy of part.
What above-mentioned purpose of the invention was mainly achieved by following technical solution:
The processing method for improving part relative opening coaxial accuracy, includes the following steps:
(1), parts to be processed is mounted on the workbench of numerically-controlled machine tool by error correction tooling, the error correction
Tooling includes calibration component, Anchor plate kit and cushion block, wherein calibration component includes spherical displacer and pedestal, the spherical displacer setting exists
It demarcates on pedestal, specific method includes the following steps:
(1.1), calibration component is mounted on to the center of workbench, so that the centre of sphere of spherical displacer is located at the rotating shaft of workbench
On line；
(1.2), several are padded into fast placement on the table, parts to be processed is placed on cushion block, parts to be processed
It is not contacted with workbench, and is located at the center of parts to be processed on the axis of rotation of workbench；
(1.3), by Anchor plate kit that parts to be processed is fixed on the table；
(2), amesdial gauge head is mounted on main shaft of numerical control machine tool, mobile main shaft of numerical control machine tool makes amesdial gauge head
Stylus is contacted with spherical displacer, rotary table, if stylus remains stationary, shows the rotating shaft of main shaft of numerical control machine tool and workbench
Line is overlapped, and enters step (3)；Otherwise, main shaft of numerical control machine tool is continued to move to, contacts the stylus of amesdial gauge head with spherical displacer,
Rotary table enters step (3) until stylus remains stationary；
(3), the vertical processing of parts to be processed is carried out；
(4), main shaft of numerical control machine tool is rotated by 90 °, mobile main shaft of numerical control machine tool makes the stylus and spherical displacer of amesdial gauge head
Contact rotates main shaft of numerical control machine tool if stylus remains stationary and shows that the centre of sphere of spherical displacer is located at the extension of main shaft of numerical control machine tool
On line, (5) are entered step；Otherwise, continue to rotate main shaft of numerical control machine tool, contact the stylus of amesdial gauge head with spherical displacer, directly
It is remained stationary to stylus, enters step (5)；
(5), the horizontal processing of parts to be processed is carried out.
In the processing method of above-mentioned raising part relative opening coaxial accuracy, in step (1.3), Anchor plate kit includes spiral shell
Bar, gasket and pressing plate open up through-hole on the pressing plate and gasket, and one end of screw rod sequentially passes through gasket and pressing plate and workbench
On threaded hole tighten fixation, parts to be processed is compressed by one end of pressing plate.
In the processing method of above-mentioned raising part relative opening coaxial accuracy, Anchor plate kit further includes isometry block, described
Isometry block is located at below the other end of pressing plate, is parts to be processed below one end of pressing plate；The quantity of the Anchor plate kit with etc.
High fast quantity is identical.
In the processing method of above-mentioned raising part relative opening coaxial accuracy, the height of isometry block and parts to be processed and
The sum of height of cushion block is equal.
In the processing method of above-mentioned raising part relative opening coaxial accuracy, calibration component and to be processed in step (1)
After part is installed on the workbench, the height for demarcating component is higher than the height of parts to be processed.
In the processing method of above-mentioned raising part relative opening coaxial accuracy, the height satisfaction for demarcating component is wanted as follows
It asks:
If: h=demarcates component height-(parts to be processed height+cushion block height),
Then h is demarcate component height 1/3~1/5.
In the processing method of above-mentioned raising part relative opening coaxial accuracy, cushion block is cylindrical structure, is highly 15
~20cm.
In the processing method of above-mentioned raising part relative opening coaxial accuracy, the material of isometry block and cushion block is 45#
The material of steel or Chromador, the calibration component is quenched stainless steel.
In the processing method of above-mentioned raising part relative opening coaxial accuracy, the number of cushion block, Anchor plate kit and isometry block
Amount is 3~8.
Compared with prior art, the present invention has the following advantages:
(1), the present invention passes through the error correction tooling of design specialized, is installed parts to be processed by error correction tooling
On the workbench of numerically-controlled machine tool, the position between spherical displacer and machine tool chief axis and work table rotation axis is measured by gauge head
Relationship, obtains the base position of part vertical processing and horizontal processing, to significantly improve vertical processing and horizontal processing
Machining accuracy；
(2), the present invention passes through the method for spherical displacer centering, ensure that parts to be processed two sides processing hole to greatest extent
Coaxially, overcome in the prior art due to the error of workbench or FRAME COMPONENTS strictly be located at table core when, will lead to
The defect of large error occurs when processing another side opening；
(3), design is optimized to the shape and material of each components in error correction tooling in the present invention, further
It ensure that the stability that parts to be processed is installed on numerically controlled machine, so that machining accuracy further increases；
(4) present invention in reasonable set spherical displacer height, facilitate part it is vertical processing with the progress of horizontal processing while；
The present invention eliminates the kinematic error of each axis of numerically-controlled machine tool to greatest extent simultaneously, make the concentricity of frame clsss relative opening only with centering
Precision is related, significantly improves the precision of part to be prepared；
(5), processing method of the present invention is simple and convenient, it is easy to accomplish, there is stronger practicability, practical application and obtained
Good effect.
Detailed description of the invention
Fig. 1 is the schematic diagram 1 that parts to be processed is mounted on numerically controlled machine by the present invention by error correction tooling；
Fig. 2 is the schematic diagram 2 that parts to be processed is mounted on numerically controlled machine by the present invention by error correction tooling；
Fig. 3 is Anchor plate kit structural schematic diagram of the present invention；
Fig. 4 is present invention calibration component structure diagram.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments:
The processing method that the present invention improves part relative opening coaxial accuracy, specifically comprises the following steps:
(1), parts to be processed is mounted on numerically controlled machine by error correction tooling for the present invention as shown in Figure 1
Schematic diagram 1, Fig. 2 is that parts to be processed is mounted on the schematic diagram of numerically controlled machine by the present invention by error correction tooling
2, Fig. 1, Fig. 2 is two figures of different perspectives.Parts to be processed 10 is mounted on to the work of numerically-controlled machine tool by error correction tooling
Make on platform 11, the error correction tooling includes calibration component, Anchor plate kit, isometry block 6 and cushion block 7, wherein calibration component packet
Spherical displacer 1 and pedestal 2 are included, the setting of spherical displacer 1 is illustrated in figure 4 present invention calibration modular construction and shows on calibration pedestal 2
It is intended to, specific installation method are as follows:
(1.1), calibration component is mounted on to the center of workbench 11, so that the centre of sphere of spherical displacer 1 is located at workbench 11
On axis of rotation, i.e., so that the centre of sphere of spherical displacer 1 is vertical with workbench 11 with the line at the center of workbench 11.
(1.2), several cushion blocks 7 are placed on workbench 11, parts to be processed 10 are placed on cushion block 7, make to
Processing part 10 is not contacted with workbench 11, and is located at the center of parts to be processed 10 on the axis of rotation of workbench 11, i.e.,
Keep the center of parts to be processed 10 and the line at 11 center of workbench vertical with workbench 11；Cushion block 7 is cylindrical structure, height
For 15~20cm.
(1.3), parts to be processed 10 is fixed on workbench 11 by Anchor plate kit；Anchor plate kit includes screw rod 3, pad
Piece 4, pressing plate 5 wherein open up long stripes through hole on pressing plate 5, circular through hole is opened up on gasket 4, are slab construction in the middle part of pressing plate 5,
Two sides are the slab construction of Varying-thickness, and one end of screw rod 3 sequentially passes through on through-hole and workbench 11 on gasket 4 and pressing plate 5
Threaded hole tightens fixation, is compressed parts to be processed 10 by one end of pressing plate 5.It is illustrated in figure 3 Anchor plate kit knot of the present invention
Structure schematic diagram.
It is parts to be processed 10 below one end of pressing plate 5, isometry block 6 is located at below the other end of pressing plate 5；The pressing plate group
The quantity of part is identical as contour fast 6 quantity.The height of isometry block 6 is equal with the sum of the height of cushion block 7 with parts to be processed 10.
After calibration component and parts to be processed 10 are mounted on workbench 11, the height for demarcating component is higher than parts to be processed
10 height.Demarcate the sum of the height of component and the height of parts to be processed 10 and cushion block 7 difference (calibration component height-(to
Process the height of 10 height+cushion block of part 7)) be demarcate component height 1/3~1/5.That is:
If: h=demarcates component height-(parts to be processed height+cushion block height),
Then h is demarcate component height 1/3~1/5.
The quantity of cushion block 7, Anchor plate kit and isometry block 6 is 3~8.
The material of isometry block 6 and cushion block 7 is 45# steel or Chromador, and the material for demarcating component is quenched stainless steel.
(2), amesdial gauge head 12 is mounted on main shaft of numerical control machine tool, mobile main shaft of numerical control machine tool makes amesdial gauge head
12 stylus is contacted with spherical displacer 1, and rotary table 11 shows main shaft of numerical control machine tool and workbench if stylus remains stationary
11 axis of rotation is overlapped, and enters step (3)；Otherwise, main shaft of numerical control machine tool is continued to move to, the stylus and spherical displacer of gauge head 12 are made
1 contact, rotary table 11 enter step 3 until stylus remains stationary.
(3), the vertical processing for carrying out parts to be processed 10, i.e., process part 10 as requested.
(4), main shaft of numerical control machine tool is rotated by 90 °, mobile main shaft of numerical control machine tool makes stylus and the calibration of amesdial gauge head 12
Ball 1 contacts, and rotates main shaft of numerical control machine tool if stylus remains stationary and shows that the centre of sphere of spherical displacer 1 is located at main shaft of numerical control machine tool
On extended line, (5) are entered step；Otherwise, continue to rotate main shaft of numerical control machine tool, make the stylus and spherical displacer 1 of amesdial gauge head 12
Contact enters step (5) until stylus remains stationary；
(5), the horizontal processing for carrying out parts to be processed 10, i.e., processed as requested in the side wall of part 10.
Embodiment 1
As shown in Figure 1, 2, parts to be processed 10 is frame structure, Anchor plate kit, isometry block 6 and cushion block 7 in the present embodiment
It is four, the material of isometry block 6 and cushion block 7 is Chromador, and the material for demarcating component is quenched stainless steel.
Four cushion blocks 7 are symmetrically positioned on workbench 11, four Anchor plate kits and four 6 positions of isometry block and four cushion blocks 7
Position is corresponding, is symmetrically positioned on workbench 11, and wherein the height of cushion block 7 is 150mm, and the height of isometry block 6 is 242mm, mark
The height for determining component is 310mm, and the height of parts to be processed 10 is 92mm, respectively processes one on 10 4 side walls of parts to be processed
Round hole.
The machining accuracy of part improves 30% or more compared with prior art in the present embodiment.
The above, optimal specific embodiment only of the invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
The content that description in the present invention is not described in detail belongs to the well-known technique of professional and technical personnel in the field.
Claims (8)
1. the processing method for improving part relative opening coaxial accuracy, characterized by the following steps:
(1), parts to be processed (10) is mounted on the workbench (11) of numerically-controlled machine tool by error correction tooling, the error
Correcting tool includes calibration component, Anchor plate kit and cushion block (7), wherein calibration component includes spherical displacer (1) and pedestal (2), institute
It states spherical displacer (1) to be arranged on pedestal (2), specific method includes the following steps:
(1.1), calibration component is mounted on to the center of the workbench (11) of numerically-controlled machine tool, so that the centre of sphere of spherical displacer (1) is located at
On the axis of rotation of workbench (11)；
(1.2), several cushion blocks (7) are placed on workbench (11), parts to be processed (10) are placed on cushion block (7),
Parts to be processed (10) is not contacted with workbench (11), and the center of parts to be processed (10) is made to be located at the revolution of workbench (11)
On axis；
(1.3), parts to be processed (10) is fixed on workbench (11) by Anchor plate kit；
(2), amesdial gauge head (12) is mounted on main shaft of numerical control machine tool, mobile main shaft of numerical control machine tool makes amesdial gauge head
(12) stylus is contacted with spherical displacer (1), rotary table (11), if stylus remains stationary, show main shaft of numerical control machine tool with
The axis of rotation of workbench (11) is overlapped, and enters step (3)；Otherwise, main shaft of numerical control machine tool is continued to move to, the survey of gauge head (12) is made
Needle is contacted with spherical displacer (1), rotary table (11), until stylus remains stationary, enters step (3)；
(3), the vertical processing of parts to be processed (10) is carried out；
(4), main shaft of numerical control machine tool is rotated by 90 °, mobile main shaft of numerical control machine tool makes the stylus and spherical displacer of amesdial gauge head (12)
(1) it contacts, rotates main shaft of numerical control machine tool if stylus remains stationary and show that the centre of sphere of spherical displacer (1) is located at main shaft of numerical control machine tool
Extended line on, enter step (5)；Otherwise, continue to rotate main shaft of numerical control machine tool, make stylus and the calibration of amesdial gauge head (12)
Ball (1) contact enters step (5) until stylus remains stationary；
(5), the horizontal processing of parts to be processed (10) is carried out；
In the step (1.3), Anchor plate kit includes screw rod (3), gasket (4) and pressing plate (5), the pressing plate (5) and gasket (4)
On open up through-hole, one end of screw rod (3) sequentially passes through gasket (4) and pressing plate (5) and tightens with the threaded hole on workbench (11)
It is fixed, parts to be processed (10) are compressed by one end of pressing plate (5).
2. the processing method according to claim 1 for improving part relative opening coaxial accuracy, it is characterised in that: the pressure
Board group part further includes isometry block (6), and the isometry block (6) is located at below the other end of pressing plate (5), below one end of pressing plate (5)
For parts to be processed (10)；The quantity of the Anchor plate kit is identical as the quantity of isometry block (6).
3. the processing method according to claim 2 for improving part relative opening coaxial accuracy, it is characterised in that: described etc.
The height of high block (6) is equal with the sum of parts to be processed (10) and the height of cushion block (7).
4. the processing method according to claim 1 for improving part relative opening coaxial accuracy, it is characterised in that: the step
Suddenly after calibration component and parts to be processed (10) are mounted on workbench (11) in (1), the height of component is demarcated higher than to be processed
The height of part (10).
5. the processing method according to claim 4 for improving part relative opening coaxial accuracy, it is characterised in that: the mark
The height for determining component meets following require:
If: h=demarcates component height-(parts to be processed height+cushion block height),
Then h is demarcate component height 1/3~1/5.
6. the processing method according to claim 1 for improving part relative opening coaxial accuracy, it is characterised in that: the pad
Block (7) is cylindrical structure, is highly 15~20cm.
7. the processing method according to claim 2 for improving part relative opening coaxial accuracy, it is characterised in that: described etc.
The material of high block (6) and cushion block (7) is 45# steel or Chromador, and the material of the calibration component is quenched stainless steel.
8. the processing method according to claim 1 for improving part relative opening coaxial accuracy, it is characterised in that: the pad
The quantity of block (7), Anchor plate kit and isometry block (6) is 3~8.
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| CN109483284A (en) * | 2018-12-24 | 2019-03-19 | 四川明日宇航工业有限责任公司 | A kind of multi-purpose clamping kit and pressing plate tooling |
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| CN106002377A (en) | 2016-10-12 |
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