CN105478810A - Elastic follow rest matched with whirlwind mill in lathe - Google Patents
Elastic follow rest matched with whirlwind mill in lathe Download PDFInfo
- Publication number
- CN105478810A CN105478810A CN201511034966.8A CN201511034966A CN105478810A CN 105478810 A CN105478810 A CN 105478810A CN 201511034966 A CN201511034966 A CN 201511034966A CN 105478810 A CN105478810 A CN 105478810A
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- CN
- China
- Prior art keywords
- claw
- lathe
- elastic
- spring housing
- spring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
Abstract
The invention relates to an accessory on a common horizontal lathe, in particular to an elastic follow rest matched with a whirlwind mill in the lathe. The elastic follow rest comprises an upward jacking claw, a transverse jacking claw and a downward jacking claw. The elastic follow rest is characterized in that the downward jacking claw is of an elastic structure, and the downward jacking claw is composed of a screw sleeve, a spring sleeve, a spring, a claw embedding head, a limiting bolt and the like; the downward jacking claw has the flexible stroke ranging from 3 millimeters to 6 millimeters and the initial pressure ranging from 10 kilograms to 15 kilograms; a sealed long groove parallel to the axis direction is milled in the spring sleeve on the downward jacking claw; the limiting bolt is screwed to the screw sleeve; the diameter of the limiting bolt is in dynamic fit with the width of the sealed long groove in the spring sleeve; the outer diameter of the spring sleeve is in dynamic fit with the inner diameter of the screw sleeve; and a locating step on the elastic claw embedding head is in static fit with a hole in the spring sleeve. By the adoption of the elastic follow rest, the phenomena of clearance fit and interference fit between the outer diameter of a thin and long lead screw shaft and the three claws are eliminated completely, so that stable milling of the inner whirlwind mill is guaranteed, and stable cutting is guaranteed when the thin and long shaft is turned through the lathe.
Description
Technical field:
The present invention relates to the annex on a kind of general horizontal lathe, particularly a kind of in the elasticity follow-rest supporting with lathe internal turbo mill.
Background technology:
The annex follow-rest of general horizontal lathe has two pawls and three-jaw, these claws are all regulate with the contact condition of slender axles cylindrical by screw rod, because of but rigidity.With follow-rest when turning slender axles, its performance is reliable.But, on lathe during threads of lead screw elongated for milling, its performance of three-jaw follow-rest has just been short of, reason is: during lathe turning slender axles, the power that cutter acts on slender axles is continuous print, continual, on the dewclaw that cutting force allows processing slim shaft neck cylindrical be close to follow-rest all the time and horizontal claw, thus ensure that the stability of cutting.And during the elongated threads of lead screw of lathe internal turbo mill milling, on cutterhead 4 milling cutter the cutting force acted in lead screw shaft be interrupted, impact, example is transferred to cutterhead per minute 1000, cutting threads of lead screw per minute is exactly 4000 cuttves, lead screw shaft is per minute is subject to 4000 Secondary Shocks, as long as the arc contact surface of three claws and leading screw cylindrical slightly gap, the vibration of milling can be caused immediately, loosening of follow-rest claw positioning and locking can be caused during vibration, cause the gap of follow-rest arc contact surface and leading screw cylindrical to strengthen, cannot milling be continued.Even three of three-jaw follow-rest arc contact surfaces and the complete inclusion of leading screw cylindrical, duty is good, also can because of the slight change of lead screw shaft external diameter at diverse location, three of three-jaw follow-rest are caused between arc contact surface and leading screw cylindrical, to occur gap or interference phenomenon, gap causes vibration during milling, interference causes follow-rest claw and lead screw shaft to kill, and lead screw shaft will inevitably be caused like this to rotate the differential of location, makes milling leading screw pitch not wait and scrap.
Summary of the invention:
For overcoming the deficiencies in the prior art, the three-jaw follow-rest used when the invention provides the elongated leading screw of a kind of applicable lathe internal turbo mill milling, the thorough contact of elimination three-jaw follow-rest and the gap of lead screw shaft cylindrical or interference phenomenon, thus the normal work and the Milling Accuracy that ensure lathe internal turbo mill.
The technical solution adopted for the present invention to solve the technical problems is: with existing three-jaw follow-rest for carrier, pawl is pushed up under removing the rigidity of first wife, retain former upper top pawl and laterally push up pawl, the lower top pawl of an another configuration elastic construction, to push up pawl under the rigidity replacing first wife, be primarily characterized in that: under elasticity, push up the flexible stroke that pawl has 3 ~ 6 millimeters, and ensure the initial pressure of 10 ~ 15 kilograms, by screw sleeve, spring housing, spring, claw edge head, the component compositions such as spacing spiral pin, its spring housing is milled with the closed elongated slot parallel with axis direction, spacing spiral pin is spun on screw sleeve, closed elongated slot width on spacing spiral pin diameter and spring housing dynamically matches, with ensure spring housing can in screw sleeve free-extension and not relatively rotating, spring housing external diameter coordinates with screw sleeve internal diameter is dynamic, positioning step on elastic claw edge head and the hole stationary fit on spring housing, during elastic claw assembling, spring is put in bullet cover, the spacing spiral pin internal thread hole on elongated slot aligning screw sleeve closed by spring housing, rely on external force to compress bullet and overlap suitable stroke, when under spring housing elongated slot, blind end aims at plunger, the spacing spiral pin of precession, plunger injects closes elongated slot, spring housing is in screw sleeve inner position and can not come off, and ensure that the initial pressure of elastic claw edge head contact leading screw cylindrical, spring housing has 3 ~ 6mm elastic telescopic stroke in screw sleeve, after elastic claw installs, the internal thread of the lower rigid jaw of original assembling on external screw thread precession follow-rest body on screw sleeve, lock nut adjustable elastic pawl is relied on to stretch out the height of follow-rest body.
Beneficial effect of the present invention is: completely eliminate the gap between elongated lead screw shaft external diameter and three claws and interference phenomenon, elastic claw allows lead screw shaft cylindrical be close in pawl head cambered surface all the time, even if elongated lead screw shaft external diameter has trace change at diverse location, the free-extension of elastic claw can allow elongated leading screw axial flow freely rotate, thus ensure that the normal work of internal turbo mill and the stable position of elongated lead screw shaft direction of rotation, directly enhance precision and the spiral fluted roughness of the elongated lead screw shaft pitch of milling.
Accompanying drawing illustrates:
Fig. 1 is the profile of elastic claw; Fig. 2 is elasticity follow-rest overall structure and stress schematic diagram.
In Fig. 1,1001 is the follow-rest local ontology of positioning elastic pawl, and 1002 is screw sleeve, and 1003 is spring housing, and 1004 is spring, and 1005 is elastic claw edge head, and 1006 is spacing spiral pin, and 1007 is elastic claw extendable room, and 1008 is lock nut.
In Fig. 2,2001 is follow-rest arc body, 2002,2003 is two rigid jaws of former follow-rest, 2004 is elongated lead screw shaft cross section, 2005 is the penetration of a cutting tool direction of lathe middle slide plate and disjunctor internal turbo mill screw cutting groove depth, 2006 is direction of rotation when internal turbo cutlery works, and 2007 is the elastic top pawl body that the present invention configures.
Detailed description of the invention:
Technical scheme of the present invention is elaborated below in conjunction with accompanying drawing 1, accompanying drawing 2:
The present invention is a kind of annex be matched on general horizontal lathe, particularly a kind of three-jaw elasticity follow-rest supporting with lathe internal turbo mill.In Fig. 1,1001 is former follow-rest body, be configured with the internal thread of precession 1002 screw sleeve, removed by the rigid top pawl of first wife, its internal thread retains, by screw sleeve 1002 precession internal thread, screw sleeve is equipped with the internal thread hole of the spacing spiral pin of screw-in 1006, edge 1005 being compressed into the endoporus of spring housing 1003, by spring 1004 along being placed in 1003 spring housings, spring housing 1003 being equipped with the spacing enclosed slot that spacing spiral pin head matches.Spring housing inserts after in screw sleeve together with spring, spacing enclosed slot on spring housing is aimed at screw sleeve upper limit internal thread hole, compress into spring housing, when making one end of stopper slot relative with the internal thread hole on screw sleeve, the spacing spiral pin 1006 of precession, make the plunger of spacing spiral pin, inject spacing enclosed slot, make spring housing be positioned in screw sleeve like this, and there is the initial pressure of 10 ~ 15kg, do not loosen after ensure that spring housing assembling and do not come off, and there is certain flexible stroke.
Fig. 2 is the structural representation of elasticity follow-rest, and 2001 for follow-rest arc body of the present invention, and 2002,2003 be 2 rigid top pawls of first wife, and existing continuation retains use.When milling thread channel-shaped state, observe from the direction of feed 2005 of lathe middle slide plate interlock internal turbo mill screw cutting groove and the direction of rotation 2006 of whirling mill cutterhead work, can find out, what accept cutting force effect is 2002,2,003 two rigid jaws, and these two rigid jaws are the stable guarantees in elongated leading screw center 2004.2007 elastic claws of newly joining play a part restriction 2004 lead screw shaft by the bounce-back of cutting-impact power.Impact the source that cutting force bounce-back is vibration when causing whirling mill to work, as long as lead screw shaft has the high dither of trace, vibration when cyclone all can be caused to work.After elastic claw 2007 drive ons lead screw shaft 2004 LAP boldly, it still keeps certain free springing stroke, the elastic force of spring all the time by slender axles top to rigid jaw 2003 and 2002.On former follow-rest, the center line of rigid jaw 2003 and elastic claw center line are not point-blank, but the angle that tilted clockwise, add the cambered surface on 2003,2002 edge heads, inherently play a part to surround elongated leading screw, the operating pressure that elastic top pawl is certain and freely flexible stroke, restrained effectively the shake that elongated lead screw shaft causes by milling cutter cutting-impact power, thus ensure that normal work and the milling pin spiral fluted roughness of lathe internal turbo mill.
Elongated leading screw 2004 external diameter everywhere in certain length is also not necessarily just the same, the free elastic force stroke of elastic claw, naturally gap and the interference phenomenon of former three rigid jaws and elongated lead screw shaft cylindrical is eliminated, avoid the location that lead screw shaft direction of rotation produces because of interference differential, thus ensure that the precision of leading screw pitch and the central diameter of screw thread.
During use, elongated lead screw shaft pierces in inward turning public attention spindle hole, and utilize lathe self-centering chuck to clamp one end of elongated lead screw shaft, the other end uses thimble jack-up, elastic force follow-rest is positioning and locking on lathe big slide plate, utilize the slender axles cylindrical near self-centering chuck, locate and lock two rigid jaws on elastic force follow-rest, adjustable elastic pawl, allow elastic claw inlay the crown and live slender axles lead screw shaft cylindrical, and compress 1 ~ 2mm free-extension stroke, regulate lathe tailstock thimble, make it coaxial with lathe spindle.For the left-handed leading screw of milling, start lathe internal turbo mill unit head, enter middle slide plate tool setting leading screw cylindrical, middle slide plate dial returns to zero, according to leading screw pitch, foretaste the cutter depth of thread, start lathe, it is made to rotate forward by the rotating speed that cutting data is suitable, after examination mills out suitable length screw thread, middle slide plate withdrawing, lathe stops, and measures the pitch diameter of thread, determines that middle slide plate mends the depth of cut, lathe reversal, falls back on thread milling initial point, starts whirling mill, carry out covering cutter, and pin determines middle slide plate, until the complete leading screw of milling.During milling second rhizoid thick stick, just with the middle slide plate feed scale of milling first rhizoid thick stick for foundation, without the need to tool setting and examination measure.Follow-up milling, depending on tool wear situation, the trace doing feed regulates.
Be matched in the elastic force follow-rest of lathe internal turbo mill, the milling of the elongated leading screw of plurality of specifications diameter can be applicable to, the elongated leading screw avoiding a kind of format diameter will customize the loaded down with trivial details of a sleeve clamp, gap and interference phenomenon are also eliminated to turning slender axles simultaneously, improve operating efficiency, can be used as in engine lathe and promote with the accessory kit of lathe whirling mill.
Claims (2)
1. an elasticity follow-rest supporting with lathe internal turbo mill, comprise top pawl (2003), laterally push up pawl (2002) and lower top pawl (2001), feature is: be described lower top pawl (2001) configuration elastic construction, lower top pawl is by tool holder body (1001), screw sleeve (1002), , spring housing (1003), spring (1004), claw edge head (1005), spacing spiral pin (1006), elastic claw extendable room (1007), lock nut (1008) forms, lower top pawl has the flexible stroke of 3 ~ 6 millimeters, there is the initial pressure of 10 ~ 15 kilograms.
2. a kind of elasticity follow-rest supporting with lathe internal turbo mill according to claim 1, be characterised in that: the spring housing (1003) of described lower top pawl is milled with the closed elongated slot parallel with axis direction, spacing spiral pin (1006) is spun on screw sleeve (1002), spacing spiral pin (1006) diameter and the upper elongated slot width of closing of spring housing (1003) dynamically match, spring housing (1003) external diameter coordinates with screw sleeve (1002) internal diameter is dynamic, the positioning step on elastic claw edge head (1005) and the hole stationary fit on spring housing (1003).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034966.8A CN105478810A (en) | 2015-12-28 | 2015-12-28 | Elastic follow rest matched with whirlwind mill in lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034966.8A CN105478810A (en) | 2015-12-28 | 2015-12-28 | Elastic follow rest matched with whirlwind mill in lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105478810A true CN105478810A (en) | 2016-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511034966.8A Pending CN105478810A (en) | 2015-12-28 | 2015-12-28 | Elastic follow rest matched with whirlwind mill in lathe |
Country Status (1)
| Country | Link |
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| CN (1) | CN105478810A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213597A (en) * | 2018-02-12 | 2018-06-29 | 上海发那科机器人有限公司 | A kind of robot range-adjustable floating cutting device |
| CN109676522A (en) * | 2018-11-22 | 2019-04-26 | 成都飞机工业（集团）有限责任公司 | Semi-automatic stress compensates clamping device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1815490A (en) * | 1930-05-21 | 1931-07-21 | Hendey Machine Company | Follow rest |
| SU1009696A1 (en) * | 1981-06-14 | 1983-04-07 | Краматорский Ордена Трудового Красного Знамени Завод Тяжелого Станкостроения Им.В.Я.Чубаря | Rest for supporting thin-wall shells of large diameter |
| CN2131632Y (en) * | 1990-06-04 | 1993-05-05 | 王跃 | Movable support of lathe capable of automatic centering |
| CN101733413A (en) * | 2008-11-27 | 2010-06-16 | 天津机辆轨道交通装备有限责任公司 | Follower rest for turning strip-shaped taper rod shaft |
| CN202556079U (en) * | 2012-06-01 | 2012-11-28 | 德州德隆(集团)机床有限责任公司 | Follower rest |
| CN103302318A (en) * | 2012-03-17 | 2013-09-18 | 江苏省江阴中等专业学校 | Lifting-looping type multifunctional adjustable two-jaw moving stay |
| CN205237091U (en) * | 2015-12-28 | 2016-05-18 | 陈福良 | Mill supporting elasticity follow -rest with whirlwind in lathe |
-
2015
- 2015-12-28 CN CN201511034966.8A patent/CN105478810A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1815490A (en) * | 1930-05-21 | 1931-07-21 | Hendey Machine Company | Follow rest |
| SU1009696A1 (en) * | 1981-06-14 | 1983-04-07 | Краматорский Ордена Трудового Красного Знамени Завод Тяжелого Станкостроения Им.В.Я.Чубаря | Rest for supporting thin-wall shells of large diameter |
| CN2131632Y (en) * | 1990-06-04 | 1993-05-05 | 王跃 | Movable support of lathe capable of automatic centering |
| CN101733413A (en) * | 2008-11-27 | 2010-06-16 | 天津机辆轨道交通装备有限责任公司 | Follower rest for turning strip-shaped taper rod shaft |
| CN103302318A (en) * | 2012-03-17 | 2013-09-18 | 江苏省江阴中等专业学校 | Lifting-looping type multifunctional adjustable two-jaw moving stay |
| CN202556079U (en) * | 2012-06-01 | 2012-11-28 | 德州德隆(集团)机床有限责任公司 | Follower rest |
| CN205237091U (en) * | 2015-12-28 | 2016-05-18 | 陈福良 | Mill supporting elasticity follow -rest with whirlwind in lathe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213597A (en) * | 2018-02-12 | 2018-06-29 | 上海发那科机器人有限公司 | A kind of robot range-adjustable floating cutting device |
| CN109676522A (en) * | 2018-11-22 | 2019-04-26 | 成都飞机工业（集团）有限责任公司 | Semi-automatic stress compensates clamping device |
| CN109676522B (en) * | 2018-11-22 | 2021-02-26 | 成都飞机工业（集团）有限责任公司 | Semi-automatic stress compensation clamping device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160413 |
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| WD01 | Invention patent application deemed withdrawn after publication |