CN103737129A - Nut internal thread grinding device with replaceable grinding rod and operation method of nut internal thread grinding device - Google Patents
Nut internal thread grinding device with replaceable grinding rod and operation method of nut internal thread grinding device Download PDFInfo
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- CN103737129A CN103737129A CN201310675628.7A CN201310675628A CN103737129A CN 103737129 A CN103737129 A CN 103737129A CN 201310675628 A CN201310675628 A CN 201310675628A CN 103737129 A CN103737129 A CN 103737129A
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- internal thread
- grinding tool
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Abstract
The invention provides a nut internal thread grinding device with a replaceable grinding rod. The internal thread grinding device with the replaceable grinding rod comprises a headstock 1, an internal thread grinding tool 3, the grinding rod 4, a grinding wheel carriage base 5, a grinding wheel carriage rotary drum 6, a supporting board feeding device 7, a supporting board 8, a workbench 9, a lathe bed 10 and a grinding tool finishing device 11. The workbench 9 is arranged on the lathe bed 10 and the headstock 1, the grinding tool finishing device 11 and the grinding wheel carriage base 5 are arranged on the workbench 9; the headstock 1 is used for driving a workpiece with the internal thread characteristic to rotate and the grinding wheel carriage base 5 and the grinding wheel carriage rotary drum 6 can relatively rotate so that a spiral angle required by grinding of internal threads can be obtained; the supporting board feeding device 7 can drive the supporting board 8 to move and drive the internal thread grinding tool 3 to move through the grinding rod 4. Through replacement of the grinding device and adjustment of the position of the grinding rod, nuts of various lengths can be ground on one device, the machining range is enlarged, the machining efficiency and flexibility of the internal threads of the nuts can be improved, and particularly, an ultra-long nut can be ground.
Description
Technical field
The invention belongs to mechanical engineering technical field, be specially a kind of nut inner thread grinding attachment of interchangeable mill bar.
Background technology
Ball screw assembly, has the features such as positioning precision is high, transmission efficiency is high, synchronism is good, long service life, extremely extensive in field application such as Digit Control Machine Tool, precision instrument, high precision measuring instrument, automatic production lines.Ball nut, as the critical component of ball-screw auxiliary driving, determines its service performance to a great extent.Along with the generally application of high speed development and the industry mechanical arm of automated control technology, the process requirements amount of the nut of ball screw assembly, to different lengths, particularly overlength nut increases day by day.Existing nut grinding attachment lacks flexible, to many kinds to add man-hour uneconomical, therefore, need to provide one different lengths nut inner thread grinding scheme more efficiently.
Summary of the invention
For defect of the prior art, the object of the invention is to overcome the deficiency of existing nut inner thread grinding attachment, a kind of nut inner thread grinding attachment of interchangeable mill bar is provided, by replacing, grind bar and the adjustment of mill bar position, on a table apparatus, realize the internal thread grinding of different lengths nut.
According to the nut inner thread grinding attachment of interchangeable mill bar provided by the invention, comprising: the headstock 1, internal thread grinding tool 3, mill bar 4, grinding carriage base 5, grinding carriage rotating cylinder 6, supporting plate feed arrangement 7, supporting plate 8, workbench 9, lathe bed 10, grinding tool trimming device 11;
Workbench 9 is arranged on lathe bed 10, and the headstock 1, grinding tool trimming device 11, grinding carriage base 5 are arranged on workbench 9, and workbench 9 is for driving the headstock 1, grinding tool trimming device 11 to move; The headstock 1, for driving the workpiece revolution with internal thread feature, can turn round to realize the required helical angle of internal thread grinding relatively between grinding carriage base 5 and grinding carriage rotating cylinder 6; Supporting plate feed arrangement 7 is positioned on grinding carriage rotating cylinder 6, and supporting plate feed arrangement 7 can drive supporting plate 8 to move and drive internal thread grinding tool 3 to move by mill bar 4, between mill bar 4 and internal thread grinding tool 3, removably connects.
Preferably, the axis of rotation of the axis of rotation of the headstock 1, grinding tool trimming device 11 is located in the same horizontal plane.
Preferably, supporting plate feed arrangement 7 is for driving supporting plate 8 and internal thread grinding tool 3 to realize change in location on vertical direction, until the axis of rotation of the axis of rotation of the headstock 1, grinding tool trimming device 11 and the centre of gyration of internal thread grinding tool 3 are located in the same horizontal plane.
According to the method for operating of the nut inner thread grinding attachment of above-mentioned interchangeable mill bar provided by the invention, comprise the steps:
First, according to processing work length, choose the mill bar 4 of appropriate length;
Secondly, revolving wheel frame rotating cylinder 6 is realized the required helical angle of internal thread grinding;
Again, according to internal thread grinding tool 3 centre of gyration positions of mill bar 4 ends, by supporting plate feed arrangement 7, drive the internal thread grinding tool 3 of supporting plate 8 and band mill bar 4 to realize change in location on vertical direction, until internal thread grinding tool 3 centres of gyration and the headstock 1 axis of rotation, grinding tool trimming device 11 axiss of rotation of mill bar 4 ends are in same level;
Afterwards, travelling table 9 makes internal thread grinding tool 3 arrive correct position and completes the finishing of internal thread grinding tool;
Finally, coordinate workpiece rotational motion and table feed motion to realize the grinding of nut inner thread.
Compared with prior art, the present invention has following beneficial effect:
The present invention grinds the adjustment of bar and mill bar position by replacing, can on a table apparatus, realize the grinding of different lengths nut, has expanded the range of work, has improved nut inner thread working (machining) efficiency with flexible, particularly can realize the grinding of overlength nut.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is structural representation of the present invention.
Fig. 2 is the sectional drawing schematic diagram along AA line direction in Fig. 1.
In figure:
1 is the headstock;
2 is nut;
3 is internal thread grinding tool;
4 is mill bar;
5 is grinding carriage base;
6 is grinding carriage rotating cylinder;
7 is supporting plate feed arrangement;
8 is supporting plate;
9 is workbench;
10 is lathe bed;
11 is grinding tool trimming device.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
As shown in Figure 1 and Figure 2, in the present embodiment, the nut inner thread grinding attachment of interchangeable mill bar comprises: the headstock 1, nut 2, internal thread grinding tool 3, mill bar 4, grinding carriage base 5, grinding carriage rotating cylinder 6, supporting plate feed arrangement 7, supporting plate 8, workbench 9, lathe bed 10, grinding tool trimming device 11.
The described headstock 1 is driven by headstock drive unit, drives workpiece (as the nut 2) revolution with internal thread feature; The described headstock 1 is fixed on workbench 9; Described grinding tool trimming device 11 is fixed on workbench 9; Described workbench 9 is positioned on lathe bed 10, and workbench 9 is driven and driven the headstock 1, grinding tool trimming device 11 to realize movement by Working table driving device; Described grinding carriage rotating cylinder 6 is by realizing the required helical angle of internal thread grinding with the relative revolution of grinding carriage base 5; Described supporting plate feed arrangement 7 is positioned on grinding carriage rotating cylinder 6, by supporting plate drive unit, drives the internal thread grinding tool 3 of supporting plate 8 and band mill bar 4 to move; The mill bar 4 of described internal thread grinding tool 3 is interchangeable, adopts the mill bar 4 of different length according to Workpiece length.Therefore, this device can grind bar 4 and supporting plate 8 drive mill bar positions adjustment by replacing, realizes the grinding of different lengths nut on a table apparatus.
When the present invention works, first, according to processing work length, choose the mill bar 4 of appropriate length; Secondly, revolving wheel frame rotating cylinder 6 is realized the required helical angle of internal thread grinding; Again, according to internal thread grinding tool 3 centre of gyration positions of mill boom end, by supporting plate drive unit, drive the internal thread grinding tool 3 of supporting plate 8 and band mill bar 4 to realize change in location on vertical direction, until internal thread grinding tool 3 centres of gyration and the headstock 1 axis of rotation, grinding tool trimming device 11 axiss of rotation of mill bar 4 ends are in same level; Afterwards, travelling table 9 makes internal thread grinding tool 3 arrive correct position and completes the finishing of internal thread grinding tool; Finally, coordinate workpiece rotational motion and table feed motion to realize the grinding of nut inner thread.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (4)
1. the nut inner thread grinding attachment of an interchangeable mill bar, it is characterized in that, comprising: the headstock (1), internal thread grinding tool (3), mill bar (4), grinding carriage base (5), grinding carriage rotating cylinder (6), supporting plate feed arrangement (7), supporting plate (8), workbench (9), lathe bed (10), grinding tool trimming device (11);
It is upper that workbench (9) is arranged on lathe bed (10), and it is upper that the headstock (1), grinding tool trimming device (11), grinding carriage base (5) are arranged on workbench (9), and workbench (9) is for driving the headstock (1), grinding tool trimming device (11) to move; The headstock (1), for driving the workpiece revolution with internal thread feature, can turn round to realize the required helical angle of internal thread grinding relatively between grinding carriage base (5) and grinding carriage rotating cylinder (6); It is upper that supporting plate feed arrangement (7) is positioned at grinding carriage rotating cylinder (6), and supporting plate feed arrangement (7) can drive supporting plate (8) to move and pass through mill bar (4) and drive internal thread grinding tool (3) mobile, between mill bar (4) and internal thread grinding tool (3), removably connects.
2. the nut inner thread grinding attachment of interchangeable mill bar according to claim 1, is characterized in that, the axis of rotation of the headstock (1), the axis of rotation of grinding tool trimming device (11) are located in the same horizontal plane.
3. the nut inner thread grinding attachment of interchangeable mill bar according to claim 2, it is characterized in that, supporting plate feed arrangement (7) is for driving supporting plate (8) and internal thread grinding tool (3) to realize change in location on vertical direction, until the axis of rotation of the axis of rotation of the headstock (1), grinding tool trimming device (11) and the centre of gyration of internal thread grinding tool (3) are located in the same horizontal plane.
4. a method of operating for the nut inner thread grinding attachment of the interchangeable mill bar described in any one in claims 1 to 3, is characterized in that, comprises the steps:
First, according to processing work length, choose the mill bar (4) of appropriate length;
Secondly, revolving wheel frame rotating cylinder (6) is realized the required helical angle of internal thread grinding;
Again, according to internal thread grinding tool (3) centre of gyration position of mill bar (4) end, by supporting plate feed arrangement (7), drive the internal thread grinding tool (3) of supporting plate (8) and band mill bar (4) to realize change in location on vertical direction, until internal thread grinding tool (3) centre of gyration and the headstock (1) axis of rotation, grinding tool trimming device (11) axis of rotation of mill bar (4) end are in same level;
Afterwards, travelling table (9) makes internal thread grinding tool (3) arrive correct position and completes the finishing of internal thread grinding tool;
Finally, coordinate workpiece rotational motion and table feed motion to realize the grinding of nut inner thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310675628.7A CN103737129B (en) | 2013-12-11 | 2013-12-11 | The nut inner thread grinding device of interchangeable mill bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310675628.7A CN103737129B (en) | 2013-12-11 | 2013-12-11 | The nut inner thread grinding device of interchangeable mill bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103737129A true CN103737129A (en) | 2014-04-23 |
| CN103737129B CN103737129B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310675628.7A Active CN103737129B (en) | 2013-12-11 | 2013-12-11 | The nut inner thread grinding device of interchangeable mill bar |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2192574A (en) * | 1986-07-19 | 1988-01-20 | Schaudt Maschinenbau Gmbh | Grinding internal threads |
| JP2002326124A (en) * | 2001-04-27 | 2002-11-12 | Okuma Corp | Internal thread grinding device |
| CN102581726A (en) * | 2012-03-19 | 2012-07-18 | 南京理工大学 | Non-contact automatic tool setting module and non-contact automatic tool setting method for internal thread groove of nut |
| CN103418860A (en) * | 2012-05-25 | 2013-12-04 | 陕西汉江机床有限公司 | Center complete machine for internal thread grinding |
-
2013
- 2013-12-11 CN CN201310675628.7A patent/CN103737129B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2192574A (en) * | 1986-07-19 | 1988-01-20 | Schaudt Maschinenbau Gmbh | Grinding internal threads |
| JP2002326124A (en) * | 2001-04-27 | 2002-11-12 | Okuma Corp | Internal thread grinding device |
| CN102581726A (en) * | 2012-03-19 | 2012-07-18 | 南京理工大学 | Non-contact automatic tool setting module and non-contact automatic tool setting method for internal thread groove of nut |
| CN103418860A (en) * | 2012-05-25 | 2013-12-04 | 陕西汉江机床有限公司 | Center complete machine for internal thread grinding |
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| Publication number | Publication date |
|---|---|
| CN103737129B (en) | 2016-06-01 |
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