CN107755720B - The gang tool and processing method of cylindrical body in a kind of turnery processing revolution closed area - Google Patents
The gang tool and processing method of cylindrical body in a kind of turnery processing revolution closed area Download PDFInfo
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- CN107755720B CN107755720B CN201710926866.9A CN201710926866A CN107755720B CN 107755720 B CN107755720 B CN 107755720B CN 201710926866 A CN201710926866 A CN 201710926866A CN 107755720 B CN107755720 B CN 107755720B
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Abstract
The invention discloses the gang tool of cylindrical body in a kind of turnery processing revolution closed area, the gang tool is made of separate type lathe tool seat and the special lathe tool being embedded in separate type lathe tool seat；Meanwhile also disclosing a kind of method for carrying out the processing of revolving parts cylindrical structure using said combination cutter；It is able to solve the processing problems of cylindrical structure on revolving parts, compared with the existing technology, revolving body can fundamentally be evaded using structure of the invention and occurring the problem of collision is forged a knife in rotary course between cutter and part, rotary structure part is enable to process on center lathe as traditional axial workpiece.
Description
Technical field
The present invention relates on machinery processing apparatus and method field more particularly to the non-axis class of lathe process or hole type parts
The cutter for the rotary structure processing having and processing method field are specifically a kind of turnery processing revolution closed areas
The gang tool of middle cylindrical body and the processing method for carrying out processing cylindrical body using the gang tool.
Background technique
Have a kind of special type parts in the industries such as aircraft, vehicle, lathe, such part in order to guarantee the concentricity at both ends,
Field adjustment when avoiding installing devises the connection structure of connection both ends cylinder, so maintains both ends column part with former
High-precision size.And since connection structure can collide interference in lathe upper rotary with the incision direction of traditional lathe tool, because
This traditional method for turning is unable to complete.The processing method of this feature is mostly at present, using five-axle number control machine tool or
Three axis numerically controlled machine adds the mode of power head, at high cost.Revolving parts processed by the way of numerical control processing from blank at
The amount of product part, cutting is very big, and processing cost is very huge.
Related art: Chinese invention patent, application No. is: 201410781961.0, notification number CN 104525975
B discloses a kind of device and method using common vertical lathe copying revolution solid of curved surface workpiece, specifically discloses the dress
It sets including being equipped with lower base on the side tool post ram of vertical lathe, is provided with upper pedestal above lower base；The spiral shell of upper pedestal
Adjusting screw rod is also connected between pit and the big lug of lower base；Push rod is installed, push rod relies in the small lug of upper pedestal
Guide plate is oriented to, and is socketed with disc spring group on the polished rod between push rod major part rear end face and the small lug of upper pedestal；Upper pedestal is also pacified
Equipped with the small axis stretched out upwards；Template is clamped between small axis and push rod；Template is fixedly mounted on crossbeam upwardly through platform sling
On.The invention also discloses a kind of methods using common vertical lathe copying revolution solid of curved surface workpiece, dependent on above-mentioned
Device implement.The device of the invention and method, structure is simple, simple and easy, is achieved at low cost using common vertical lathe
Processing to revolution solid of curved surface workpiece.Although device and method disclosed in the patent of invention is also able to solve generally using multiaxis number
The part of control processing is processed on machine tool, but the cutter of the revolving parts to be solved with the application processing cylindrical body
There is larger difference with method.
Summary of the invention
The purpose of the present invention is to provide the gang tools of cylindrical body in a kind of turnery processing revolution closed area, for real
Now process the coaxial clyinder structure in revolving parts, effectively avoid cutter on existing lathe because can with revolving body other
The technical issues of part collides without being capable of processing；The present invention also provides circles in a kind of turnery processing revolution closed area simultaneously
The processing method of cylinder, it is therefore intended that solve closed area cylindrical body in revolving parts using above-mentioned special gang tool
The feasibility problems of processing.It can be evaded from basic structure and principle using special gang tool of the invention and method existing
The present invention is achieved through the following technical solutions:
The gang tool of cylindrical body in a kind of turnery processing revolution closed area, the gang tool is by separate type lathe tool seat
With the special lathe tool composition being embedded in separate type lathe tool seat；
The separate type lathe tool seat shape is column and is offered along its length for accommodating passing through for the special lathe tool
The T-slot worn is respectively arranged with the screw thread parallel with separate type lathe tool seat length direction on T-slot bottom edge both ends and longitudinal edge
The sectional position in hole, three threaded holes is in equilateral triangle or isosceles triangle, and upper and lower ends in each threaded hole
It is provided with the screw arbor assembly for special lathe tool described in fixed clamp；
The screw arbor assembly includes the clamping screw C and clamping screw F being mounted in T-slot longitudinal edge upper screwed hole,
The clamping screw A and clamping screw D and clamping screw B and clamping screw being separately mounted in the threaded hole of T-slot bottom edge both ends
E；Separate type lathe tool is horizontally arranged with the six rib holes for connecting tail stock close to any end point；
The special lathe tool and the shape of the T-slot are adapted and by the processing department for machined part and for fixing
Mounting portion composition.
The present invention also provides the gang tool processing revolution envelopes using cylindrical body in above-mentioned turnery processing revolution closed area
The method of cylindrical body in closed region, specifically includes the following steps:
Step 1: positioning and clamping parts；
Tail stock is retracted, part to be processed is sleeved on the knife bar on tail stock；Adjust tail stock simultaneously
Slowly close to lathe spindle and part is clamped on the scroll chuck on lathe spindle and is fastened；
Step 2: the concentricity of verification part and lathe spindle；
Lathe revolving speed is adjusted to minimum speed, opening lathe-minute stops, and tail stock is retracted, check knife bar with
Part whether there is the case where eccentric wear:
If on knife bar there are discontinuous eccentric wear trace if repeat step 1, relocate；If without any trace on knife bar
Or there are continuous circle shape, then carry out step 3；
Step 3: special lathe tool is installed；
Tail stock is adjusted until the length that knife bar stretches out part is-centimetre position, installation separate type tool apron simultaneously fastens；It will
Special lathe tool slides into the separate type tool apron along T-slot, and respectively in sequence first by clamping screw A, clamping screw B,
Clamping screw C is separately mounted in threaded one end hole, then clamping screw D, clamping screw E, clamping screw F are mounted on threaded hole
The other end, adjustment screw component, until special lathe tool position reach Working position, successively fasten above-mentioned screw arbor assembly；
Step 4: processing；
Lathe is opened, control tail stock is slowly to the feed of lathe spindle direction, until cutting reaches given dimensional, former road
Withdrawing；When needing to carry out secondary operation cutting, successively unclamp clamping screw D, clamping screw E and clamping screw F etc. spans
From then successively locking clamping screw A, clamping screw B and clamping screw C again；According to the advance and retreat knife step weight of first time processing
It is multiple, the whole size until being worked into part；
Step 5: disassembly；
After process finishing, to dismantle clamping screw A, clamping screw B and clamping screw C completely or be located at separate type tool apron
Clamping screw D, clamping screw E and the clamping screw F of the other end；Special lathe tool is taken out, then dismantles separate type lathe tool seat, finally will
Tail stock is retracted, and unclamps three chucking chuck, part is removed from lathe spindle.
In order to improve the accuracy of part clamping, the number of corrections of part concentricity is reduced, the step 1 further includes root
The step of selecting matched knife bar according to the axial aperture having on part.The work for the knife bar that selection matches with axial hole on part
With being concentricity in order to improve part axial hole and knife bar as far as possible, to reduce the inclination and shaking of part, guarantee zero
Part can do coaxial rotating movement under the driving of lathe spindle, to guarantee the axial direction of cylindrical structure and part after processing
Hole is coaxial.Principle parsing: due to knife bar be to maintain with lathe spindle it is coaxial, as long as guarantee part and knife bar are coaxial
In the case of, firm clamping is carried out to part using lathe spindle, then being exactly that may insure in whole process, part is all
It is to be rotated by axis of knife bar, so that the cylindrical body processed is round also on knife bar circle central axis, utilizes knife bar
It can be good at quickly positioning part to position and correct the concentricity of part and lathe spindle with the concentricity of lathe spindle
On lathe spindle, but it is worth noting that, since the axial hole of parts to be processed is different because of part size difference, in order to
Enough parts for adapting to any size as far as possible, and higher concentricity installation effect is all kept, on the basis of above structure,
Further, the knife bar is standard size, and knife bar is configured with the lantern ring that multiple internal diameters and knife bar outer diameter are adapted, the lantern ring
Outer diameter with 0.1 millimeter for equal difference be incremented by.Since the outer diameter of lantern ring is provided with multiple lantern rings with 0.1 millimeter for diameter difference, having
When the installation selection of body part, the difference gap theoretical maximum of part and lantern ring is 0.1 millimeter, has been able to guarantee higher same
Axis degree can almost be accomplished disposably to be installed in place in practical checking procedure, without repeatedly verification and adjustment.
Further, in order to guarantee that part can be disposably installed in place, evade causes to adjust repeatedly because of concentricity difference
The problem of, when locking lathe spindle, prestressing force should be applied first, lathe is then turned on and carries out low speed rotation second-second.The step
Purpose is carried out using the rotary motion of lathe spindle using being to belong to absolutely coaxial relationship between knife bar and lathe spindle
The self-correction of part concentricity, if if prestressing force is excessive at this time, cannot achieve the self-correction of part concentricity, instead
The interference interference that will appear knife bar and part, leads to the damage of mechanism, when progress self-correction and then successively by lathe spindle
Locking completely starts the cylindrical structure for processing part.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
(1) cutter provided by the invention and method are able to solve the processing problems of cylindrical structure on revolving parts, phase
For the prior art, revolving body can be fundamentally evaded using structure of the invention in rotary course between cutter and part
There is the problem of collision is forged a knife, rotary structure part is enable to process on center lathe as traditional axial workpiece.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of machining state of the present invention；
Fig. 2 is processed revolving parts structure chart；
Fig. 3 is that part turns round schematic diagram；
Fig. 4 is part location and installation schematic diagram one；
Fig. 5 is part location and installation schematic diagram two；
Fig. 6 is before processing part, to knife structural schematic diagram；
Fig. 7 be according to Fig. 6 to knife after the completion of, feed cut schematic diagram；
Fig. 8 is that separate type lathe tool seat and special lathe tool adjust feeding schematic diagram；
Fig. 9 is the top view of separate type lathe tool seat；
Figure 10 is in Fig. 9 along the cross-sectional view of the cutting symbol of A-A；
Figure 11 is the left view of Figure 10；
Wherein 1- tail stock；2- lathe spindle；3- knife bar；
4- separate type lathe tool seat；41- clamping screw A；42- clamping screw B；43- clamping screw C；44- clamping screw D；
45- clamping screw E；46- clamping screw F；The six rib hole 47-；
The special lathe tool of 5-；51- processing department；52- mounting portion；6- part；7- turns round enclosed construction；8- cylindrical body；9- is axial
Hole.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto.
Embodiment 1:
In conjunction with shown in attached drawing 1, Fig. 9, Figure 10, Figure 11, the combination knife of cylindrical body 8 in a kind of turnery processing revolution closed area
Tool, the gang tool are made of separate type lathe tool seat 4 and the special lathe tool 5 being embedded in separate type lathe tool seat 4；
4 shape of separate type lathe tool seat is column and is offered along its length for accommodating the special lathe tool 5
Perforative T-slot is respectively arranged on T-slot bottom edge both ends and longitudinal edge parallel with separate type lathe tool 4 length directions of seat
The sectional position of threaded hole, three threaded holes is in equilateral triangle or isosceles triangle, and in each threaded hole up and down
Both ends are provided with the screw arbor assembly for special lathe tool 5 described in fixed clamp；
The screw arbor assembly includes the clamping screw C43 and clamping screw being mounted in T-slot longitudinal edge upper screwed hole
F46, the clamping screw A41 and clamping screw D44 and clamping screw B42 being separately mounted in the threaded hole of T-slot bottom edge both ends
With clamping screw E45；Separate type lathe tool 4 is horizontally arranged with the six rib holes for connecting tail stock 1 close to any end point
47；
The shape of the special lathe tool 5 and the T-slot is adapted and by the processing department 51 for machined part and is used for
Fixed mounting portion 52 forms.
Embodiment 2:
The present embodiment is added using the gang tool of cylindrical body 8 in the revolution of turnery processing described in embodiment 1 closed area
The method that work turns round cylindrical body 8 in closed area, further combined with shown in attached drawing 2-8, specifically includes the following steps:
Step 1: positioning and clamping parts 6；
Tail stock 1 is retracted, part 6 to be processed is sleeved on the knife bar 3 on tail stock 1；Adjust lathe tail
Seat 1 simultaneously close to lathe spindle 2 and on scroll chuck that part 6 is clamped on lathe spindle 2 and will slowly fasten；
Step 2: the concentricity of verification part 6 and lathe spindle 2；
Lathe revolving speed is adjusted to minimum speed, opens lathe 1-2 minutes and stops, tail stock 1 is retracted, check knife bar
3 with part 6 whether there is eccentric wear the case where:
If on knife bar 3 there are discontinuous eccentric wear trace if repeat step 1, relocate；If without any trace on knife bar 3
Mark or there are continuous circle shape, then carry out step 3；
Step 3: special lathe tool 5 is installed；
Tail stock 1 is adjusted until the length that knife bar 3 stretches out part 6 is 2-3 centimetres of position, installation separate type tool apron 4 is simultaneously
Fastening；Special lathe tool 5 is slid into the separate type tool apron 4 along T-slot, and respectively in sequence first by clamping screw A41,
Clamping screw B42, clamping screw C43 are separately mounted in threaded one end hole, then by clamping screw D44, clamping screw E45, pressure
Tight screw rod F46 is mounted on the other end of threaded hole, adjustment screw component, until the position of special lathe tool reaches Working position, according to
The secondary above-mentioned screw arbor assembly of fastening；
Step 4: processing；
Lathe is opened, control tail stock 1 reaches given dimensional until cutting slowly to the feed of lathe spindle direction, former
Road withdrawing；When needing to carry out secondary operation cutting, clamping screw D44, clamping screw E45 and clamping screw F46 are successively unclamped
Equivalent distance, then successively lock clamping screw A41, clamping screw B42 and clamping screw C43 again；It is processed according to first time
Advance and retreat knife step repeat, the whole size until being worked into part 6；
Step 5: disassembly；
After process finishing, to dismantle clamping screw A41, clamping screw B42 and clamping screw C43 completely or be located at separation
Clamping screw D44, clamping screw E45 and the clamping screw F46 of 4 other end of formula tool apron；Special lathe tool 5 is taken out, then dismantles separation
Formula lathe tool seat 4, finally retracts tail stock 1, unclamps three chucking chuck, part 6 is removed from lathe spindle 2.
In order to improve the accuracy of part clamping, the number of corrections of part concentricity is reduced, the step 1 further includes root
The step of selecting matched knife bar 3 according to 9 diameter of axial hole having on part 6.The knife that selection matches with axial hole 9 on part 6
The effect of bar 3 is the concentricity in order to improve part axial hole 9 Yu knife bar 3 as far as possible, to reduce the inclination and rolling of part 6
It is dynamic, guarantee that part 6 can do coaxial rotating movement under the driving of lathe spindle 2, to guarantee 8 structure of cylindrical body after processing
It is coaxial with the axial hole 9 of part 6.Principle parsing: due to knife bar 3 be to maintain with lathe spindle 2 it is coaxial, as long as guarantee
In the case that part 6 and knife bar 3 are coaxial, firm clamping is carried out to part 6 using lathe spindle 2, then being exactly that may insure
In whole process, it is that axis is rotated that part 6, which is all with knife bar 3, so that the circle of the cylindrical body 8 processed also exists
On 3 circle central axis of knife bar, the same of part 6 and lathe spindle 2 is positioned and corrected using the concentricity of knife bar 3 and lathe spindle 2
Axis degree can be good at for part 6 being quickly located on lathe spindle 2, but it is worth noting that, due to the axis of parts to be processed 6
It is different because of part size difference to hole 9, in order to adapt to the part of any size as far as possible, and all keep higher same
Axis degree installation effect, on the basis of above structure, further, the knife bar 3 is standard size, and knife bar 3 is configured with multiple
The outer diameter of the lantern ring that internal diameter and 3 outer diameter of knife bar are adapted, the lantern ring is incremented by with 0.1 millimeter for equal difference.Due to the outer diameter of lantern ring
Diameter difference is provided with multiple lantern rings with 0.1 millimeter, in the installation selection of specific part 6, the difference gap of part 6 and lantern ring is managed
It is 0.1 millimeter by maximum value, has been able to guarantee higher concentricity, in practical checking procedure, can almost accomplishes primary
Property be installed in place, without repeatedly verification and adjustment.
Further, in order to guarantee that part 6 can be disposably installed in place, evade causes to adjust repeatedly because of concentricity difference
The problem of, when locking lathe spindle 2, prestressing force should be applied first, lathe is then turned on and carries out low speed rotation -60 seconds 30 seconds.It should
The purpose of step is using being to belong to absolutely coaxial relationship between knife bar 3 and lathe spindle 2, in returning using lathe spindle 2
The dynamic self-correction for carrying out 6 concentricity of part of transhipment, if if prestressing force is excessive at this time, cannot achieve 6 concentricity of part
Self-correction will appear the interference interference of knife bar 3 Yu part 6 instead, lead to the damage of mechanism, after carrying out self-correction,
Successively lathe spindle 2 is locked completely again, starts 8 structure of cylindrical body for processing part 6.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (4)
1. the gang tool of cylindrical body in a kind of turnery processing revolution closed area, which is characterized in that the gang tool is by dividing
It is formed from formula lathe tool seat (4) and the special lathe tool (5) being embedded in separate type lathe tool seat (4)；
Separate type lathe tool seat (4) shape is column and is offered along its length for accommodating the special lathe tool (5)
Perforative T-slot is respectively arranged on T-slot bottom edge both ends and longitudinal edge parallel with separate type lathe tool seat (4) length direction
Threaded hole, the sectional position of three threaded holes is in equilateral triangle or isosceles triangle, and up and down two in each threaded hole
End is provided with the screw arbor assembly for special lathe tool (5) described in fixed clamp；
The screw arbor assembly includes the clamping screw C(43 being mounted in T-slot longitudinal edge upper screwed hole) and clamping screw F
(46), the clamping screw A(41 being separately mounted in the threaded hole of T-slot bottom edge both ends) and clamping screw D(44), and compress spiral shell
Bar B(42) and clamping screw E(45)；Separate type lathe tool (4) is horizontally arranged with close to any end point for connecting lathe tail
Six rib holes (47) of seat (1)；
The shape of the special lathe tool (5) and the T-slot is adapted and by the processing department (51) for machined part and is used for
Fixed mounting portion (52) composition.
2. utilizing the gang tool processing revolution envelope of cylindrical body in a kind of turnery processing revolution closed area described in claim 1
The method of cylindrical body in closed region, which comprises the following steps:
Step 1: positioning and clamping parts (6)；
Tail stock (1) is retracted, part (6) to be processed is sleeved on the knife bar (3) on tail stock (1)；Adjust vehicle
Tailstock seat (1) is simultaneously slowly clamped on the scroll chuck on lathe spindle (2) simultaneously tightly close to lathe spindle (2) and by part (6)
Gu；
Step 2: the concentricity of verification part (6) and lathe spindle (2)；
Lathe revolving speed is adjusted to minimum speed, opens lathe 1-2 minutes and stops, tail stock (1) is retracted, check knife bar
(3) the case where whether there is eccentric wear with part (6):
If on knife bar (3) there are discontinuous eccentric wear trace if repeat step 1, relocate；If without any trace on knife bar (3)
Mark or there are continuous circle shape, then carry out step 3；
Step 3: special lathe tool (5) are installed；
Tail stock (1) is adjusted until the length that knife bar (3) stretch out part (6) is 2-3 centimetres of position, installation separate type tool apron
(4) it and fastens；Special lathe tool (5) is slid into the separate type tool apron (4) along T-slot, and respectively in sequence first will pressure
Tight screw rod A (41), clamping screw B (42), clamping screw C (43) are separately mounted in threaded one end hole, then by clamping screw D
(44), clamping screw E (45), clamping screw F (46) are mounted on the other end of threaded hole, adjustment screw component, until custom car
The position of knife reaches Working position, successively fastens above-mentioned screw arbor assembly；
Step 4: processing；
Lathe is opened, control tail stock (1) is slowly to the feed of lathe spindle direction, until cutting reaches given dimensional, former road
Withdrawing；When needing to carry out secondary operation cutting, clamping screw D (44), clamping screw E (45) and clamping screw F are successively unclamped
(46) then equivalent distance successively locks clamping screw A (41), clamping screw B (42) and clamping screw C (43) again；According to
The advance and retreat knife step of processing repeats for the first time, the whole size until being worked into part (6)；
Step 5: disassembly；
After process finishing, divided with dismantling clamping screw A (41), clamping screw B (42) and clamping screw C (43) completely or being located at
Clamping screw D (44), clamping screw E (45) and clamping screw F (46) from formula tool apron (4) other end；Take out special lathe tool
(5), then separate type lathe tool seat (4) is dismantled, finally retracts tail stock (1), unclamp three chucking chuck, by part (6) from lathe
Main shaft is removed on (2).
3. the method for cylindrical body in a kind of turnery processing revolution closed area according to claim 2, which is characterized in that institute
Step 1 is stated to further include the steps that selecting matched knife bar (3) according to axial hole (9) diameter having on part (6).
4. the method for cylindrical body in a kind of turnery processing revolution closed area according to claim 3, which is characterized in that institute
Stating knife bar (3) is standard size, and knife bar (3) is configured with the lantern ring that multiple internal diameters and knife bar (3) outer diameter are adapted, the lantern ring
Outer diameter is incremented by with 0.1 millimeter for equal difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926866.9A CN107755720B (en) | 2017-10-08 | 2017-10-08 | The gang tool and processing method of cylindrical body in a kind of turnery processing revolution closed area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926866.9A CN107755720B (en) | 2017-10-08 | 2017-10-08 | The gang tool and processing method of cylindrical body in a kind of turnery processing revolution closed area |
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| Publication Number | Publication Date |
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| CN107755720A CN107755720A (en) | 2018-03-06 |
| CN107755720B true CN107755720B (en) | 2019-04-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169895A (en) * | 1996-06-25 | 1998-01-14 | 佳能株式会社 | Cylinder member holder, machining apparatus having said holder, and machining method using same |
| KR20150059050A (en) * | 2013-11-21 | 2015-05-29 | 강민기 | Device for working screw thread of the Lathe |
| CN205128958U (en) * | 2015-11-27 | 2016-04-06 | 山西金瑞高压环件有限公司 | Numerical control lathe knife rest |
| CN106623989A (en) * | 2017-01-17 | 2017-05-10 | 中冶陕压重工设备有限公司 | Machining method for bulged cavity part |
-
2017
- 2017-10-08 CN CN201710926866.9A patent/CN107755720B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1169895A (en) * | 1996-06-25 | 1998-01-14 | 佳能株式会社 | Cylinder member holder, machining apparatus having said holder, and machining method using same |
| KR20150059050A (en) * | 2013-11-21 | 2015-05-29 | 강민기 | Device for working screw thread of the Lathe |
| CN205128958U (en) * | 2015-11-27 | 2016-04-06 | 山西金瑞高压环件有限公司 | Numerical control lathe knife rest |
| CN106623989A (en) * | 2017-01-17 | 2017-05-10 | 中冶陕压重工设备有限公司 | Machining method for bulged cavity part |
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| CN107755720A (en) | 2018-03-06 |
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