CN209078269U - Thin-wall tube-shaped excircle of workpiece turning clamping tooling - Google Patents
Thin-wall tube-shaped excircle of workpiece turning clamping tooling Download PDFInfo
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- CN209078269U CN209078269U CN201821597370.8U CN201821597370U CN209078269U CN 209078269 U CN209078269 U CN 209078269U CN 201821597370 U CN201821597370 U CN 201821597370U CN 209078269 U CN209078269 U CN 209078269U
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Abstract
The utility model discloses a kind of thin-wall tube-shaped excircle of workpiece turning clamping tooling, solve the problems, such as that processing cost height present in the clamping tooling of existing thin-wall tube-shaped workpiece turning and disassembling fixture are time-consuming and laborious.Central axis on cylindrical body (1) along cylindrical body (1) is provided with square through hole (16), groove (13) are oriented to there are four being arranged to radian at equal intervals on the lateral surface of cylindrical body (1), band step positioning through hole (9) is provided between the slot bottom center and square through hole (16) of guiding groove (13), adjusting rod (2) are movably set in band step positioning through hole (9), mobile sliding block (4) are movably set in guiding groove (13), threaded hole (5) are provided on the medial surface of mobile sliding block (4), the outer end stud section (7) of adjusting rod (2) is screwed onto threaded hole, the end face outside (18) of mobile sliding block is arcwall face.The utility model structure is simple, and manufacturing cost is low, and stability is good.
Description
Technical field
The present invention relates to a kind of mechanical turning clamping tooling, in particular to a kind of outer circle side to thin-wall tube-shaped workpiece into
Driving used clamping tooling and clamping method when cutting.
Background technique
When carrying out turning to thin-wall tube-shaped workpiece, firstly, it is necessary to Set and Positioning be carried out to workpiece, because of thin-wall tube-shaped workpiece
Radial rigidity is poor, the direct clamping cylindrical work pieces of the lathe dog, and workpiece is also easy to produce clamping force deformation, influences adding for thin-wall workpiece
Working medium amount.Existing clamping method is that a technique ring is installed in the machined inner hole of workpiece, and the outer diameter of technique ring is tightly attached to
In workpiece to be machined inner hole surface, hole axle guarantees positioning accuracy using parcel received is fitted close, then with outside the lathe dog clamping workpiece
Circle, carries out turnery processing again after clamping.In actual processing, in order to guarantee the machining accuracy of thin-wall workpiece, process is prevented
In, since the factors such as cutting force, cutting heat, internal stress generate workpiece deformation, the measure taken is to separate Roughing and fine machining, vehicle
It cuts processing and needs to be divided into rough turn, half smart car, smart car three phases, such processing technology just must be equipped at least three kinds or more
The inner hole technique ring of specification, is just able to satisfy the processing and loading clamp requirement in three vehicle pin stages, exists and increases tooling tricks cost, adds
Big difficulty of processing coefficient, the problem of reducing processing efficiency, in addition, due to technique ring tooling and to be turned on inner hole of workpiece be place
In close-fitting, the two is influenced by cutting force, and after the completion of turnery processing, technique ring is taken from the inner hole of workpiece to be machined
Out, time-consuming and laborious.
Summary of the invention
The present invention provides a kind of thin-wall tube-shaped excircle of workpiece turning clamping tooling and clamping methods, solve existing thin
Processing cost height present in the clamping tooling of wall cylindrical work pieces turning and the time-consuming and laborious technical problem of disassembling fixture.
The present invention is to solve the above technical problem by the following technical programs:
A kind of thin-wall tube-shaped excircle of workpiece turning clamping tooling, including cylindrical body and thin-wall tube-shaped workpiece, on the cylinder
The central axis of cylindrical body is provided with square through hole, the central axis of square through hole is overlapped with the central axis of cylindrical body one
Rise, be arranged to radian at equal intervals on the lateral surface of cylindrical body there are four be oriented to groove, four guiding grooves be arranged with circle
On the same cross section of the central axis upright of cylinder, band is provided between the slot bottom center of guiding groove and square through hole
Step positioning through hole is movably set with adjusting rod in band step positioning through hole, and adjusting rod, which is disposed with inner end along axial direction, to be determined
Position shaft part, the middle bench shaft shoulder and outer end stud section, the middle bench shaft shoulder are movably arranged on the big end in step positioning through hole
In stepped hole, the inner end that inner end positions shaft part is arranged in square through hole, is movably set with mobile sliding block in guiding groove,
It is provided with threaded hole on the medial surface of mobile sliding block, the outer end stud section of adjusting rod is screwed onto threaded hole, mobile sliding block
End face outside is arcwall face, is provided with dowel hole on the inner end of adjusting rod positioning shaft part, it is fixed to be provided in dowel hole
Circle of position pin.
A pair of of guide ledges are provided in guiding groove, it is recessed that a pair of mobile slider guide is provided on mobile sliding block
Slot, guide ledges setting is in mobile slider guide groove；Pad is socketed on inner end positioning shaft part on the outside of setting circle pin
Circle.
A kind of thin-wall tube-shaped excircle of workpiece turning clamping method, comprising the following steps:
The first step, on the cylinder along the central axis machine-shaping square through hole of cylindrical body, make the center of square through hole
Axis is overlapped with the central axis of cylindrical body, processes to radian four guiding grooves at equal intervals on the lateral surface of cylindrical body,
Four guiding grooves are arranged on the same cross section with the central axis upright of cylindrical body, in the slot bottom of guiding groove
Band step positioning through hole is processed between centre and square through hole；Adjusting rod is made, adjusting rod is made to be disposed with inner end along axial direction
Position shaft part, the middle bench shaft shoulder and outer end stud section；Mobile sliding block is made, screw thread is set on the medial surface of mobile sliding block
The end face outside of mobile sliding block is processed into arcwall face, the inboard aperture radian of the radian of the arcwall face and thin-wall tube-shaped workpiece by hole
It is identical；
Second step, by adjusting rod from guiding groove in wear be connected to band step positioning through hole in, position the inner end of adjusting rod
Shaft part is arranged in square through hole, and the middle bench shaft shoulder is movably arranged on in the big end stepped hole in step positioning through hole,
It is oriented to activity in groove and mobile sliding block is set, the outer end stud section of adjusting rod is screwed onto threaded hole, fixed in the inner end of adjusting rod
Setting circle pin is set in the dowel hole being arranged on the shaft part of position；
Third step positions shaft part with the inner end of wrench rotation adjusting lever, and the end face outside of mobile sliding block is made to be retracted into guiding
In groove；
4th step, the outside diameter that arc surface composed by the end face outside of four mobile sliding blocks is measured with vernier calliper, make
The outside diameter is less than the diameter of bore of processed thin-wall tube-shaped workpiece；
5th step puts down mounted entire fixture in the inner hole of processed thin-wall tube-shaped workpiece gently, with wrench point
Not Tiao Jie four adjusting rods, the bore area of the end face outside and processed thin-wall tube-shaped workpiece that make four mobile sliding blocks pastes
It closes, the pressure of four adjusting rods is uniform；
Thin-wall tube-shaped workpiece equipped with fixture is placed on the chuck of lathe by the 6th step, is rotated machine tool chief axis, is made vehicle
Bed claw is connected at the outer circle of the thin-wall tube-shaped workpiece of the end face outside institute apical grafting of mobile sliding block, and the clamping before completing turning is fixed
Position.
The configuration of the present invention is simple, novel in design, versatility is good, and use scope is wide, and manufacturing cost is low, and stability is good, reliably
Property it is high.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the fiting relation figure between mobile sliding block 4 and guiding groove 13 of the invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
A kind of thin-wall tube-shaped excircle of workpiece turning clamping tooling, including cylindrical body 1 and thin-wall tube-shaped workpiece 6, in cylindrical body 1
On the central axis of cylindrical body 1 is provided with square through hole 16, the central axis of square through hole 16 and the central axis of cylindrical body 1
Coincide together, be arranged to radian at equal intervals on the lateral surface of cylindrical body 1 there are four be oriented to groove 13, four guiding grooves 13
To be arranged on the same cross section with the central axis upright of cylindrical body 1, guiding groove 13 slot bottom center with it is rectangular
It is provided with band step positioning through hole 9 between through-hole 16, is movably set with adjusting rod 2, adjusting rod 2 in band step positioning through hole 9
Inner end positioning shaft part 3, the middle bench shaft shoulder 8 and outer end stud section 7,8 activity of the middle bench shaft shoulder is disposed with along axial direction to set
It sets in the big end stepped hole 17 in step positioning through hole 9, the inner end that inner end positions shaft part 3 is arranged in square through hole 16
It is interior, it is movably set with mobile sliding block 4 in guiding groove 13, threaded hole 5 is provided on the medial surface of mobile sliding block 4, adjusts
The outer end stud section 7 of bar 2 is screwed onto threaded hole 5, and the end face outside 18 of mobile sliding block 4 is arcwall face, in the inner end of adjusting rod 2
It is provided with dowel hole 11 on positioning shaft part 3, setting circle pin 10 is provided in dowel hole 11.
A pair of of guide ledges 14 are provided in guiding groove 13, a pair of mobile sliding block is provided on mobile sliding block 4 and is led
To groove 15, the setting of guide ledges 14 is in mobile slider guide groove 15；Inner end locating shaft in 10 outside of setting circle pin
Washer 12 is socketed in section 3.
A kind of thin-wall tube-shaped excircle of workpiece turning clamping method, comprising the following steps:
The first step, on cylindrical body 1 along the central axis machine-shaping square through hole 16 of cylindrical body 1, make square through hole 16
Central axis be overlapped with the central axis of cylindrical body 1, process to radian four at equal intervals on the lateral surface of cylindrical body 1 and lead
To groove 13, four guiding grooves 13 are arranged on the same cross section with the central axis upright of cylindrical body 1, are being oriented to
Band step positioning through hole 9 is processed between the slot bottom center of groove 13 and square through hole 16；Adjusting rod 2 is made, 2 edge of adjusting rod is made
Axially it is disposed with inner end positioning shaft part 3, the middle bench shaft shoulder 8 and outer end stud section 7；Mobile sliding block 4 is made, is slided mobile
Threaded hole 5 is set on the medial surface of block 4, the end face outside 18 of mobile sliding block 4 is processed into arcwall face, the radian of the arcwall face with
The inboard aperture radian of thin-wall tube-shaped workpiece 6 is identical；
Second step, by adjusting rod 2 from guiding groove 13 in wear be connected to band step positioning through hole 9 in, make the inner end of adjusting rod 2
It positions shaft part 3 to be arranged in square through hole 16, the middle bench shaft shoulder 8 is movably arranged on the big end stand in step positioning through hole 9
In rank hole 17, mobile sliding block 4 is arranged in activity in guiding groove 13, and the outer end stud section 7 of adjusting rod 2 is screwed onto threaded hole 5,
Setting circle pin 10 is set in the dowel hole 11 being arranged on the inner end of adjusting rod 2 positioning shaft part 3；
Third step positions shaft part 3 with the inner end of wrench rotation adjusting lever 2, is retracted into the end face outside 18 of mobile sliding block 4
It is oriented in groove 13；
4th step, the outside diameter that arc surface composed by the end face outside 18 of four mobile sliding blocks 4 is measured with vernier calliper,
The outside diameter is set to be less than the diameter of bore of processed thin-wall tube-shaped workpiece 6；
5th step puts down mounted entire fixture in the inner hole of processed thin-wall tube-shaped workpiece 6 gently, with wrench point
Not Tiao Jie four adjusting rods 2, make the end face outside 18 of four mobile sliding blocks 4 and the inner hole table of processed thin-wall tube-shaped workpiece 6
Face paste is closed, and the pressure of four adjusting rods 2 is uniform；
Thin-wall tube-shaped workpiece 6 equipped with fixture is placed on the chuck of lathe by the 6th step, is rotated machine tool chief axis, is made
The lathe dog is connected at the outer circle of the thin-wall tube-shaped workpiece 6 of 18 apical graftings of end face outside of mobile sliding block 4, before completing turning
Set and Positioning.
The present invention increases the contact area of the bore area to processing part by positioning sliding block, and it is equal to realize clamping force
Even distribution is realized to the adjusting of mobile sliding block by adjustable rod, effectively raises the moving range of mobile sliding block, adjustable range
Greatly, and then the use scope of the fixture is improved, another feature of the fixture is that unprocessed bore area can also be made
With simplifying difficulty of processing coefficient, additionally by moving freely for mobile sliding block, fixture installation and removal are efficient and convenient.
Claims (2)
1. a kind of thin-wall tube-shaped excircle of workpiece turning clamping tooling, including cylindrical body (1) and thin-wall tube-shaped workpiece (6), feature
It is, the central axis on cylindrical body (1) along cylindrical body (1) is provided with square through hole (16), the center of square through hole (16)
Axis and the central axis of cylindrical body (1) coincide together, and are provided with four to radian at equal intervals on the lateral surface of cylindrical body (1)
A guiding groove (13), four guiding groove (13) are arranged in the same cross section of the central axis upright with cylindrical body (1)
On, band step positioning through hole (9) is provided between the slot bottom center and square through hole (16) of guiding groove (13), in band platform
Be movably set in rank positioning through hole (9) adjusting rod (2), adjusting rod (2) along axial direction be disposed with inner end positioning shaft part (3),
The middle bench shaft shoulder (8) and outer end stud section (7), the middle bench shaft shoulder (8) are movably arranged on in step positioning through hole (9)
In big end stepped hole (17), inner end positions the inner end setting of shaft part (3) in square through hole (16), in guiding groove (13)
Mobile sliding block (4) are movably set with, are provided with threaded hole (5) on the medial surface of mobile sliding block (4), the outer end of adjusting rod (2)
Stud section (7) is screwed onto threaded hole (5), and the end face outside (18) of mobile sliding block (4) is arcwall face, in the interior of adjusting rod (2)
Dowel hole (11) are provided in end positioning shaft part (3), setting circle pin (10) are provided in dowel hole (11).
2. a kind of thin-wall tube-shaped excircle of workpiece turning clamping tooling according to claim 1, which is characterized in that recessed being oriented to
A pair of of guide ledges (14) are provided in slot (13), a pair of mobile slider guide groove (15) are provided on mobile sliding block (4),
Guide ledges (14) setting is in mobile slider guide groove (15)；Inner end on the outside of setting circle pin (10) positions shaft part
(3) washer (12) are socketed on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597370.8U CN209078269U (en) | 2018-09-29 | 2018-09-29 | Thin-wall tube-shaped excircle of workpiece turning clamping tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597370.8U CN209078269U (en) | 2018-09-29 | 2018-09-29 | Thin-wall tube-shaped excircle of workpiece turning clamping tooling |
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|---|---|
| CN209078269U true CN209078269U (en) | 2019-07-09 |
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| CN201821597370.8U Active CN209078269U (en) | 2018-09-29 | 2018-09-29 | Thin-wall tube-shaped excircle of workpiece turning clamping tooling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128885A (en) * | 2018-09-29 | 2019-01-04 | 山西江淮重工有限责任公司 | Thin-wall tube-shaped excircle of workpiece turning clamping tooling and clamping method |
-
2018
- 2018-09-29 CN CN201821597370.8U patent/CN209078269U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128885A (en) * | 2018-09-29 | 2019-01-04 | 山西江淮重工有限责任公司 | Thin-wall tube-shaped excircle of workpiece turning clamping tooling and clamping method |
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