CN103302362A - Step tapping device with controllable hole pitch and tapping method - Google Patents
Step tapping device with controllable hole pitch and tapping method Download PDFInfo
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- CN103302362A CN103302362A CN2013100870787A CN201310087078A CN103302362A CN 103302362 A CN103302362 A CN 103302362A CN 2013100870787 A CN2013100870787 A CN 2013100870787A CN 201310087078 A CN201310087078 A CN 201310087078A CN 103302362 A CN103302362 A CN 103302362A
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Abstract
The invention discloses a step tapping device with a controllable hole pitch and a tapping method. The step tapping device comprises a step tapping device, a cross worktable and a strut comprising an upright strut and a base; the upright strut is vertically fixedly mounted on the base; the step tapping device is fixed on the upright strut, and the cross worktable is fixed on the base. The tapping method comprises the steps of performing axial screw hole tapping by the step tapping device fixed on the strut, and controlling the hole pitch of grouped screw hole tapping by displacement of the cross worktable in the X and Y coordinate directions. The step tapping device with controllable hole pitch and the tapping method realize the precise machining on the controllable hole pitch of the screw hole by combining the hole pitch-controllable step tapping device and the step tapping technology, solve the difficult problem of precision control over the step machining position of the screw hole, realize the engineering application of the step machining technology, can solve the difficult problem of machining the grouped screw holes of products in various models, and have remarkable advantages in aspects such as improving the screw hole machining efficiency, ensuring the position precision of the grouped screw holes and improving the quality consistency of the screw holes.
Description
Technical field
The invention belongs to the Machining Technology field, relate to a kind of stepping chasing bar and tapping method of controlled pitch-row, be used for the difficult-to-machine material Precision Machining of the controlled pitch-row of screwed hole in groups.
Background technology
Along with the development of model, light-high-strength difficult-to-machine materials such as titanium alloy have been widely applied on novel supersonic speed model, and the quantity of body structure spare screw thread processing constantly increases.The method processing of turning or milling can be adopted in present middle major thread hole, medium and small screwed hole is mainly the manual tapping of pincers worker, manual processing method is difficult at aspects such as quality stability, efficient, the little cost of charp tools of minimizing improve, and needs to explore efficient, stable processing mode.
In recent years, correlative study is being done aspect the stepping Tapping Technology by domestic part colleges and universities, its principle is the twisting vibration at the additional low frequency of screw tap, traditional continuous working angles is become the pulsation cutting way of interruption, moment and repetition, can effectively reduce screw tap the tapping moment of torsion, promote chip removal, the service life of improving screw tap, effectively solve the tapping difficult problem of the medium and small screwed hole of difficult-to-machine material.But use in the through engineering approaches of stepping Tapping Technology, have the following disadvantages at present:
The application of 1, stepping Tapping Technology is confined to experimental rig at present mostly, does not have to form the stable prod that meets the through engineering approaches application.
2, the apparatus carriers of stepping chasing bar is generally common driller, can solve the processing difficult problem of single screwed hole, but for the higher hole processing in groups of positional precision, positional precision can't accurately guarantee.
Summary of the invention
Technical scheme of the present invention is in order to solve the controlled pitch-row stepping processing of screwed hole in groups, design and produce a kind of stepping chasing bar of controlled pitch-row, combine with the stepping process technology, realize the through engineering approaches application of stepping process technology, realize the Precision Machining of the controlled pitch-row of difficult-to-machine material combination screwed hole, solve processing and the positional precision control difficult problem of screwed hole.
Technical scheme of the present invention:
A kind of stepping chasing bar of controlled pitch-row, comprise stepping chasing bar, cross table and pillar, described pillar comprises upright pillar and a base, and upright pillar is vertically fixed on the base, stepping chasing bar is fixed on the upright pillar, and cross platform stationary table is on base.
Described stepping chasing bar comprises servomotor, main spindle box, float main shaft and screw tap, and unsteady main shaft passes main spindle box and is connected with servomotor, and screw tap is fixed on the main shaft that floats, and main spindle box is fixed on the upright pillar.
Described cross table comprises ball-screw, cross rail, vertical guide rail and standard operation platform, ball-screw is connected with the standard operation platform, the standard operation platform is arranged on cross rail and the vertical guide rail, can be mobile at horizontal vertical guide rail under the effect of ball-screw, and cross rail and vertical guide rail square crossing.
The present invention also provides a kind of stepping tapping method of controlled pitch-row, utilizes the stepping chasing bar that is fixed on the pillar to carry out axial screw tapping, utilizes the X of cross table, the displacement of two coordinate directions of Y to carry out the pitch-row control of screwed hole tapping in groups.
Described stepping chasing bar comprises servomotor, main spindle box, float main shaft and screw tap, and unsteady main shaft passes main spindle box and is connected with servomotor, and screw tap is fixed on the main shaft that floats, and the floating guiding of screw tap is realized location, axial hole position and axial feed.
The twisting vibration that described unsteady main shaft revolves round the sun by the self-aiming effect axial feed of screw thread, is carried out tapping processing.
The processing of described screwed hole in groups after machining previous screwed hole, adopts same group of stepping tapping parameter that follow-up screwed hole is processed.
This device is carrier with stepping chasing bar, increases accurate cross table in stepping chasing bar, realizes the precise displacement of X, two coordinate directions of Y.The precise displacement of two coordinate directions combines with the tapping main shaft of stepping chasing bar, utilize the floating guiding of screw tap to realize location, axial hole position and axial feed, utilize cross table to realize the transverse and longitudinal precise displacement, thereby realize the Precision Machining of the controlled pitch-row of screwed hole, solve a screwed hole stepping Working position precision control difficult problem.
Beneficial effect of the present invention:
The present invention is by the stepping chasing bar of controlled pitch-row and the combination of stepping Tapping Technology, realize the Precision Machining of the controlled pitch-row of screwed hole, solve a screwed hole stepping Working position precision control difficult problem, realized the through engineering approaches application of stepping process technology, can effectively solve the polytypic product processing difficult problem of screwed hole in groups, improve hole processing efficient, guaranteeing that aspect advantage such as screwed hole positional precision, raising screwed hole quality conformance is remarkable in groups.
Description of drawings
Fig. 1 is the structural representation of the stepping chasing bar of controlled pitch-row of the present invention;
Fig. 2 is the structural representation of cross table in the stepping chasing bar of controlled pitch-row.
The specific embodiment
Below in conjunction with accompanying drawing enforcement case of the present invention is further described:
Fig. 1 is the general structure schematic diagram, the stepping chasing bar of controlled pitch-row of the present invention comprises stepping chasing bar 1, cross table 2 and pillar 3, pillar 3 comprises upright pillar 31 and a base 32, upright pillar 31 is vertically fixed on the base 32, stepping chasing bar 1 is fixed on the upright pillar 31, and cross platform workbench 2 is fixed on the base 32.
Stepping chasing bar 1 comprises servomotor 11, main spindle box 12, float main shaft 13 and screw tap 14, and the main shaft 13 that floats passes main spindle box 12 and is connected with servomotor 11, and screw tap 14 is fixed on the main shaft 13 that floats, and main spindle box 12 is fixed on the upright pillar 31.Stepping chasing bar 1 can control with single-chip microcomputer, by the single-chip microcomputer inside solidification stepping tapping control program, through the motion of communication interface and control card and private cable control servomotor 11.But the scope of machining screw is M2～M10.Stepping chasing bar 1 makes the main shaft 13 that floats realize having the twisting vibration of revolution under the control of single-chip microcomputer, and passes through the self-aiming effect axial feed of screw thread, realizes tapping processing.The tapping degree of depth can be set, and main shaft can auto-reversely withdraw from screw after reaching the tapping degree of depth that sets.
Described cross table 2 comprises X-axis ball-screw 21, X-axis guide rail 22, Y-axis ball screw 24, Y-axis guide rail 25 and standard operation platform 23, standard operation platform 23 is arranged on X-axis guide rail 22 and the Y-axis guide rail 25, X-axis ball-screw 21 is connected standard operation platform 23 and guides standard operation platform 23 mobile at X-axis guide rail 22 and Y-axis guide rail 25 with Y-axis ball screw 24, X-axis guide rail 22 and 25 square crossings of Y-axis guide rail.
Cross table 2 is the part of the stepping chasing bar of a kind of controlled pitch-row described in the invention, and cross table 2 can be realized the accurate control of the controlled pitch-row of screwed hole to the precise displacement of X, two coordinate directions of Y.
For the processing of screwed hole in groups, after machining first screwed hole, the X of mobile cross table, Y-direction coordinate, guarantee the uniformity of coordinate figure and drawing marker location, adopt same group of stepping tapping parameter that follow-up screwed hole is processed, guarantee the accuracy of position, hole, avoid screw thread to add screw tap importing in man-hour error and cause unbalance stress and room deviation, can effectively improve screw tap service life and working (machining) efficiency.
Claims (7)
1. the stepping chasing bar of a controlled pitch-row is characterized in that, comprises stepping chasing bar, cross table and pillar, described pillar comprises upright pillar and a base, upright pillar is vertically fixed on the base, and stepping chasing bar is fixed on the upright pillar, and cross platform stationary table is on base.
2. the stepping chasing bar of controlled pitch-row according to claim 1, it is characterized in that, described stepping chasing bar comprises servomotor, main spindle box, main shaft and screw tap float, unsteady main shaft passes main spindle box and is connected with servomotor, screw tap is fixed on the main shaft that floats, and main spindle box is fixed on the upright pillar.
3. the stepping chasing bar of controlled pitch-row according to claim 1, it is characterized in that, described cross table comprises ball-screw, cross rail, vertical guide rail and standard operation platform, ball-screw is connected with the standard operation platform, the standard operation platform is arranged on cross rail and the vertical guide rail, can be mobile at horizontal vertical guide rail under the effect of ball-screw, cross rail and vertical guide rail square crossing.
4. the stepping tapping method of a controlled pitch-row is characterized in that, utilizes the stepping chasing bar that is fixed on the pillar to carry out axial screw tapping, utilizes the X of cross table, the displacement of two coordinate directions of Y to carry out the pitch-row control of screwed hole tapping in groups.
5. the stepping tapping method of controlled pitch-row according to claim 4, it is characterized in that, described stepping chasing bar comprises servomotor, main spindle box, main shaft and screw tap float, unsteady main shaft passes main spindle box and is connected with servomotor, screw tap is fixed on the main shaft that floats, and the floating guiding of screw tap is realized location, axial hole position and axial feed.
6. the stepping tapping method of controlled pitch-row according to claim 5 is characterized in that, the twisting vibration that described unsteady main shaft revolves round the sun by the self-aiming effect axial feed of screw thread, is carried out tapping processing.
7. the stepping tapping method of controlled pitch-row according to claim 4 is characterized in that, the processing of described screwed hole in groups after machining previous screwed hole, adopts same group of stepping tapping parameter that follow-up screwed hole is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100870787A CN103302362A (en) | 2013-03-19 | 2013-03-19 | Step tapping device with controllable hole pitch and tapping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100870787A CN103302362A (en) | 2013-03-19 | 2013-03-19 | Step tapping device with controllable hole pitch and tapping method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103302362A true CN103302362A (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100870787A Pending CN103302362A (en) | 2013-03-19 | 2013-03-19 | Step tapping device with controllable hole pitch and tapping method |
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| CN (1) | CN103302362A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077755A (en) * | 2016-06-14 | 2016-11-09 | 北京航星机器制造有限公司 | A kind of micro hole stepping drill unit of controlled pitch-row |
| CN107414209A (en) * | 2017-08-10 | 2017-12-01 | 安徽六方重联机械股份有限公司 | A kind of nut tapping device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6374518A (en) * | 1986-09-16 | 1988-04-05 | Shigeru Ikemoto | Tapping machine |
| DE4232076A1 (en) * | 1991-09-27 | 1993-04-22 | Kwan Soon Jang | Drive for vertical pillar drill - has vertically-sliding threaded spindle for chuck, engaging with pair of worm wheels whose horizontal axles can be braked |
| CN1124684A (en) * | 1993-12-15 | 1996-06-19 | 北京航空航天大学 | High-efficient multifunctional vibration threading machine |
| CN1418748A (en) * | 2002-12-26 | 2003-05-21 | 北京航空航天大学 | Vibration threading machine |
| CN201161322Y (en) * | 2007-08-31 | 2008-12-10 | 甘增兵 | Desk type bearing transmission threading machine |
| CN101920363A (en) * | 2009-06-09 | 2010-12-22 | 上海英祺精密零件制造有限公司 | Small-hole-distance multi-hole tapping device |
| CN201823956U (en) * | 2010-10-14 | 2011-05-11 | 华南理工大学 | Full-automatic multi-hole synchronous drilling machine |
-
2013
- 2013-03-19 CN CN2013100870787A patent/CN103302362A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6374518A (en) * | 1986-09-16 | 1988-04-05 | Shigeru Ikemoto | Tapping machine |
| DE4232076A1 (en) * | 1991-09-27 | 1993-04-22 | Kwan Soon Jang | Drive for vertical pillar drill - has vertically-sliding threaded spindle for chuck, engaging with pair of worm wheels whose horizontal axles can be braked |
| CN1124684A (en) * | 1993-12-15 | 1996-06-19 | 北京航空航天大学 | High-efficient multifunctional vibration threading machine |
| CN1418748A (en) * | 2002-12-26 | 2003-05-21 | 北京航空航天大学 | Vibration threading machine |
| CN201161322Y (en) * | 2007-08-31 | 2008-12-10 | 甘增兵 | Desk type bearing transmission threading machine |
| CN101920363A (en) * | 2009-06-09 | 2010-12-22 | 上海英祺精密零件制造有限公司 | Small-hole-distance multi-hole tapping device |
| CN201823956U (en) * | 2010-10-14 | 2011-05-11 | 华南理工大学 | Full-automatic multi-hole synchronous drilling machine |
Non-Patent Citations (1)
| Title |
|---|
| 杨明亮: "《一种新型振动攻丝机》", 《陕西理工学院学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077755A (en) * | 2016-06-14 | 2016-11-09 | 北京航星机器制造有限公司 | A kind of micro hole stepping drill unit of controlled pitch-row |
| CN107414209A (en) * | 2017-08-10 | 2017-12-01 | 安徽六方重联机械股份有限公司 | A kind of nut tapping device |
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Application publication date: 20130918 |
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