CN1406696A - Precisive boring machine for irregular holes - Google Patents
Precisive boring machine for irregular holes Download PDFInfo
- Publication number
- CN1406696A CN1406696A CN 01127361 CN01127361A CN1406696A CN 1406696 A CN1406696 A CN 1406696A CN 01127361 CN01127361 CN 01127361 CN 01127361 A CN01127361 A CN 01127361A CN 1406696 A CN1406696 A CN 1406696A
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- outer shaft
- slide unit
- little
- helicla flute
- conical disc
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Abstract
A precise boring machine for shaped holes (horn hole, elliptic hole, etc) is composed of main body, main motor, workpiece fixture, axial and radial feeding units, arbor and numeral controllers. Its advantages are is high machining precision.
Description
Technical field
The invention provides a kind of precise machining equipment of irregularly-shaped hole, especially a kind of boring machine.
Background technology
Aspect the processing in irregularly-shaped hole (as the toroidal hole in the piston pinhole, slotted eye, horn mouth and oval combination shape hole), domestic someone once carried out research, but did not make a breakthrough.Once developed a kind of irregularly-shaped hole process equipment that utilizes the hydroelastic system deformation principle abroad, but mechanism's complexity, resolving accuracy low (only being 0.10 μ m/ pulse), the required precision that does not reach high accuracy piston irregularly-shaped hole.It is 91107945.9 boring machine for boring special-shaped holes that predecessor's Shandong Piston Factory of applicant was once developed application number, its machining accuracy still lower (resolving accuracy is up to 0.03 μ m/ pulse), and can not adjust the ovality of institute's machining hole.
Summary of the invention
Technical problem to be solved by this invention is, a kind of precisive boring machine for irregular holes is provided, and satisfying the machining accuracy in high-accuracy shaped hole, and can adjust the ovality degree of institute's machining hole.
The present invention realizes like this, precisive boring machine for irregular holes, mainly by lathe bed, main motor, the workpiece detent mechanism, axial feed mechanism, delivering gear radially, knife bar and numerical control device are formed, on described radially delivering gear, the profile of tooth belt wheel of servomotor links together by the profile of tooth belt wheel on cog belt and the ball-screw, be connected with little slide unit on the ball-screw, on the little slide unit splined shaft is installed, splined shaft has spline housing and skewed slot guide pin bushing to be fixed together outward, the skewed slot guide pin bushing links together by dovetail groove above it and dovetails, dovetails is installed on the interior axle, be fixed with the little axle of transmission on the splined shaft, four rolling on the little axle of transmission seamlessly is assemblied in the helicla flute of helicla flute support, helicla flute support and conical disc are fixed together, conical disc is fixed on the outer shaft, outer shaft pulley terminal pad respectively with conical disc, outer shaft pulley links together, the center line that the interior axle of knife bar is installed is eccentric in the center line of outer shaft, it also has the ovality adjusting device, on the ovality adjusting device, oblique slide block and can to swing between the base plate end hinged by rotating shaft, the other end is equipped with worm-and-wheel gear, both sides, oblique slide block below have moving slider to be installed on the base, revolve two threaded screw rods about being equipped with in the moving slider, about revolve on two threaded screw rods handle arranged.
Adopt the precisive boring machine for irregular holes of said structure, can realize shaping of irregularly-shaped hole (as the toroidal hole in the piston pinhole, slotted eye, horn mouth and oval combination shape hole), machining accuracy height (resolving accuracy is 0.005～0.03 μ m/ pulse), and can adjust the ovality of institute's machining hole easily, processing ease, good reliability.
Description of drawings
Fig. 1 is the integrally-built schematic diagram of the present invention.Fig. 2 is its radially backsight generalized section of delivering gear.Fig. 3 is the schematic diagram of axial feed mechanism.Fig. 4 has represented the schematic diagram of slide unit structure.Fig. 5～Fig. 7 has represented the principle that shapes of slotted eye.
The specific embodiment
Below in conjunction with description of drawings concrete structure of the present invention and operation principle.
As shown in drawings, the present invention's precisive boring machine for irregular holes, mainly by lathe bed (42), main motor (6), workpiece clamping mechanism (38), axial feed mechanism, delivering gear radially, knife bar (37) and numerical control device (39) are formed, on described radially delivering gear, the profile of tooth belt wheel (16) of servomotor (15) links together by the profile of tooth belt wheel (18) on cog belt (17) and the ball-screw (19), be connected with little slide unit (20) on the ball-screw (19), splined shaft (14) is installed on the little slide unit, splined shaft has spline housing (13) and skewed slot guide pin bushing (12) to be fixed together outward, the skewed slot guide pin bushing links together by dovetail groove above it and dovetails (10), dovetails is installed on the interior axle (1), be fixed with the little axle of transmission (11) on the splined shaft (14), four rolling (25) on the little axle of transmission seamlessly is assemblied in the helicla flute of helicla flute support (9), helicla flute support and conical disc (8) are fixed together, conical disc is fixed on the outer shaft (2), outer shaft pulley terminal pad (28) respectively with conical disc, outer shaft pulley (29) links together, the center line that the interior axle (1) of knife bar (37) is installed is eccentric in the center line of outer shaft (2), it also has the ovality guiding mechanism, on the ovality guiding mechanism, oblique slide block (26) and can to swing between the base plate (36) end hinged by rotating shaft (34), the other end is equipped with worm-and-wheel gear (21), both sides, oblique slide block below have moving slider (24) to be installed on the base (52), revolve two threaded screw rods (31) about being equipped with in the moving slider, about revolve on two threaded screw rods handle (22) arranged.
During use, work piece (as piston) is realized fixing, location by the workpiece clamping mechanism (38) on the slide unit (41), detent mechanism (40).
Main motor (6) is fixed on the electric machine support (5).Electric machine support is installed on the main spindle box (35).Belt wheel on the main motor shaft (7) links together by polywedge bet and outer shaft pulley (29), and outer shaft pulley and conical disc (8) link together.Outer shaft pulley terminal pad (28) links together by cylindrical pins (27) and conical disc (8).
Main motor (6) drives outer shaft pulley (29) by belt wheel (7) and polywedge bet and rotates, outer shaft pulley passes to outer shaft (2) by outer shaft pulley terminal pad (28) and conical disc (8) with this rotation, make outer shaft make high speed rotary motion, outer shaft is by being fixed on the helicla flute support (9) on the conical disc, roller in the helicla flute (25), the little axle of transmission (11), spline housing (13), high speed rotary motion is passed to splined shaft (14), the dovetail mechanism that splined shaft is formed by skewed slot guide pin bushing (12) and dovetails (10) passes motion to the interior axle (1) that knife bar is housed, and has finished the high speed boring campaign of knife bar.
Servomotor (15) drives ball-screw (19) and rotates by profile of tooth belt wheel (16), cog belt (17), profile of tooth belt wheel (18), and ball-screw drives little slide unit (20) moving linearly; Little slide unit drives the little axle of transmission (11) motion by splined shaft (14), because the roller (25) on the little axle of transmission is to be assemblied in the helicla flute of helicla flute support (9), therefore, the little axle of transmission produces rotatablely moving with respect to the splined shaft axis, splined shaft (14) rotates simultaneously, the dovetail mechanism that is made up of skewed slot guide pin bushing (12), dovetail groove (10) that splined shaft links together by spline housing (13), with spline housing passes to interior axle (1) with this motion, a relative rotary motion to outer shaft in becoming.Because interior axle is eccentric relatively to outer shaft, so this motion just becomes the radially feed campaign that is installed in the knife bar on the interior axle.
In the lathe bed of slide unit (41) below, also has axial feed mechanism.In axial feed mechanism, servomotor (43) is installed on the electric machine support (44), ball-screw (46) on servomotor beam warp yielding coupling (45) and the leading screw support (50) links together, feed screw nut on the ball-screw (49) is fixed on the terminal pad (47) by feed screw nut seat (48), and terminal pad is fixed on the slide unit (41).Axial feed driven by motor ball-screw rotates, and then drives slide unit and move, and drives the workpiece that is fixed on the workpiece clamping mechanism and moves, and realizes the axial feed motion.
Since the existence of interior eccentric shaft, when interior axle is done relative motion with respect to outer shaft, axle moving radially relatively in certainly leading to respect to outer shaft.And skewed slot guide pin bushing (11) is coaxial with outer shaft, so on the transmission link of interior axle and skewed slot guide pin bushing relative moving radially just arranged.The skewed slot guide pin bushing is installed in forms dovetail mechanism in the dovetail groove, just can eliminate this moving radially.The relatively moved direction of dovetail mechanism is consistent with interior eccentric shaft direction.
The principle that shapes in toroidal hole is, servomotor (15) drives the radially radially feed campaign of delivering gear formation knife bar, servomotor (43) drives the axial feed motion that slide unit (41) forms knife bar, and both moving interpolations can be finished shaping of various toroidals hole.
The principle that shapes of slotted eye is, according to Fig. 5～shown in Figure 7, inside and outside axle (being knife bar) axis forms certain included angle with respect to the axial feed direction, and the hole that is processed is slotted eye.
Horn mouth with the principle that shapes in oval combination shape hole is, when carrying out oval irregularly-shaped hole processing, the axial feed mechanism that radially delivering gear that servomotor (15) drives and servomotor (43) drive carries out moving interpolation, can finish shaping of various horn mouths and slotted eye.
The operation principle of ovality guiding mechanism is that rotation worm-and-wheel gear (21) makes and can swing base plate (36) (34) rotation around the shaft, realizes the adjustment of inside and outside axis with respect to the axial feed angular separation, finishes the adjustment of ovality.Because of the variation of the knife bar height that adjustment caused of inside and outside axis angle, can adjust the relative distance between the moving slider (24) by rotating handwheel (22), upper and lower the moving of oblique slide block (26) realized.After adjustment is finished, lock-screw (33) be can pass through, locking pressure plate (23), (32) locking positioning that to swing on base plate (36) and the oblique slide block (26) made.
As shown in Figure 4, the slide unit among the present invention is two V-arrangement capillary section streaming liquid precision static pressure slide units.
Slide unit (41) is installed on lathe bed (42).Capillary restrictor (51) communicates with oil groove on the slide unit V-way face through the oilhole on the slide unit.Hydraulic oil enters slit between lathe bed and the slide unit V-way face through oil groove after the capillary restrictor throttling, under the effect of slide unit gravity, form the static pressure oil film between slide unit and base, has reduced the frictional force that slide unit moves, and has improved the guiding accuracy of slide unit.
The front and back bearings of outer shaft (2) adopts hole throttle type high speed and precision hydrodynamic journal liquid polymers (3), to improve the rotating accuracy of outer shaft.Be connected to Pressure gauge (4) above this bearing.
Claims (1)
1, precisive boring machine for irregular holes, mainly by lathe bed (42), main motor (6), workpiece clamping mechanism (38), axial feed mechanism, delivering gear radially, knife bar (37) and numerical control device (39) are formed, it is characterized in that, on described radially delivering gear, the profile of tooth belt wheel (16) of servomotor (15) links together by the profile of tooth belt wheel (18) on cog belt (17) and the ball-screw (19), be connected with little slide unit (20) on the ball-screw (19), splined shaft (14) is installed on the little slide unit, splined shaft has spline housing (13) and skewed slot guide pin bushing (12) to be fixed together outward, the skewed slot guide pin bushing links together by dovetail groove above it and dovetails (10), dovetails is installed on the interior axle (1), be fixed with the little axle of transmission (11) on the splined shaft (14), four rolling (25) on the little axle of transmission seamlessly is assemblied in the helicla flute of helicla flute support (9), helicla flute support and conical disc (8) are fixed together, conical disc is fixed on the outer shaft (2), outer shaft pulley terminal pad (28) respectively with conical disc, outer shaft pulley (29) links together, the center line that the interior axle (1) of knife bar (37) is installed is eccentric in the center line of outer shaft (2), it also has the ovality adjusting device, on the ovality adjusting device, oblique slide block (26) and can to swing between the base plate (36) end hinged by rotating shaft (34), the other end is equipped with worm-and-wheel gear (21), both sides, oblique slide block below have moving slider (24) to be installed on the base (52), revolve two threaded screw rods (31) about being equipped with in the moving slider, about revolve on two threaded screw rods handle (22) arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01127361 CN1212213C (en) | 2001-08-29 | 2001-08-29 | Precisive boring machine for irregular holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01127361 CN1212213C (en) | 2001-08-29 | 2001-08-29 | Precisive boring machine for irregular holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1406696A true CN1406696A (en) | 2003-04-02 |
| CN1212213C CN1212213C (en) | 2005-07-27 |
Family
ID=4667323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01127361 Expired - Fee Related CN1212213C (en) | 2001-08-29 | 2001-08-29 | Precisive boring machine for irregular holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1212213C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298470C (en) * | 2005-09-22 | 2007-02-07 | 山东大学 | Boring mill for working special-shaped curved hole |
| CN100503103C (en) * | 2007-09-05 | 2009-06-24 | 山东滨州渤海活塞股份有限公司 | Non-conventional type hole combined boring mill |
| CN100528432C (en) * | 2006-11-29 | 2009-08-19 | 上海重型机床厂 | Digital control boring spindle for processing deep blind-hole bottom inner camber |
| CN101941092A (en) * | 2010-09-16 | 2011-01-12 | 无锡华光工业锅炉有限公司 | Elliptical hole machining device |
| CN102303148A (en) * | 2011-07-14 | 2012-01-04 | 山东大学威海分校 | Novel compensating device for boring cutter |
| CN103008706A (en) * | 2012-11-26 | 2013-04-03 | 福建省将乐庆航机床有限公司 | Static pressure boring head structure for irregularly-shaped holes |
| CN103192115A (en) * | 2013-03-28 | 2013-07-10 | 北京北方红旗精密机械制造有限公司 | Finishing machine of valve guide hole of V type cylinder |
| CN103223509A (en) * | 2013-04-25 | 2013-07-31 | 北京力准机械制造有限公司 | Fine-boring device for automobile connecting rod |
| CN106363208A (en) * | 2016-11-23 | 2017-02-01 | 山东滨州渤海活塞股份有限公司 | Boring machine for irregularly-shaped holes of connecting rod |
| CN108972106A (en) * | 2018-08-03 | 2018-12-11 | 余静远 | A kind of lathe |
-
2001
- 2001-08-29 CN CN 01127361 patent/CN1212213C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298470C (en) * | 2005-09-22 | 2007-02-07 | 山东大学 | Boring mill for working special-shaped curved hole |
| CN100528432C (en) * | 2006-11-29 | 2009-08-19 | 上海重型机床厂 | Digital control boring spindle for processing deep blind-hole bottom inner camber |
| CN100503103C (en) * | 2007-09-05 | 2009-06-24 | 山东滨州渤海活塞股份有限公司 | Non-conventional type hole combined boring mill |
| CN101941092A (en) * | 2010-09-16 | 2011-01-12 | 无锡华光工业锅炉有限公司 | Elliptical hole machining device |
| CN101941092B (en) * | 2010-09-16 | 2011-12-07 | 无锡华光工业锅炉有限公司 | Elliptical hole machining device |
| CN102303148B (en) * | 2011-07-14 | 2013-05-29 | 山东大学威海分校 | Novel compensating device for boring cutter |
| CN102303148A (en) * | 2011-07-14 | 2012-01-04 | 山东大学威海分校 | Novel compensating device for boring cutter |
| CN103008706A (en) * | 2012-11-26 | 2013-04-03 | 福建省将乐庆航机床有限公司 | Static pressure boring head structure for irregularly-shaped holes |
| CN103192115A (en) * | 2013-03-28 | 2013-07-10 | 北京北方红旗精密机械制造有限公司 | Finishing machine of valve guide hole of V type cylinder |
| CN103223509A (en) * | 2013-04-25 | 2013-07-31 | 北京力准机械制造有限公司 | Fine-boring device for automobile connecting rod |
| CN103223509B (en) * | 2013-04-25 | 2015-08-26 | 北京力准机械制造有限公司 | A kind of automobile connecting rod fine boring device |
| CN106363208A (en) * | 2016-11-23 | 2017-02-01 | 山东滨州渤海活塞股份有限公司 | Boring machine for irregularly-shaped holes of connecting rod |
| CN108972106A (en) * | 2018-08-03 | 2018-12-11 | 余静远 | A kind of lathe |
| CN108972106B (en) * | 2018-08-03 | 2019-09-13 | 上海雷祥压铸有限公司 | A kind of lathe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1212213C (en) | 2005-07-27 |
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Granted publication date: 20050727 Termination date: 20100829 |