CN107877204A - A kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures - Google Patents
A kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures Download PDFInfo
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- CN107877204A CN107877204A CN201711245818.XA CN201711245818A CN107877204A CN 107877204 A CN107877204 A CN 107877204A CN 201711245818 A CN201711245818 A CN 201711245818A CN 107877204 A CN107877204 A CN 107877204A
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- 238000003825 pressing Methods 0.000 claims abstract description 43
- 238000005553 drilling Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 206010044565 Tremor Diseases 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 8
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
- B23Q1/25—Movable or adjustable work or tool supports
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
A kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures, it is related to machining technology field.When the present invention solves existing ring parts processing radial hole, due to drill bit drilling directly on circular arc, without processing plane, the positioning difficulty that drill bit be present is big, tremble larger, cause the size of radial hole that processes and positional precision poor, do not reach technological requirement, the crudy of part is influenceed, and drill bit is easily broken the problem of causing low production efficiency.The rotating clamp of the present invention is specific and geometrical clamp specifically passes sequentially through hex head screw and nut location and installation on bearing, workpiece is placed in the specific annular region of rotating clamp, three pressing plates are fitted on workpiece and three arc fixed plates, three pressing plates are fixed on rotating clamp particularly by three the first fixing screws, and workpiece is positioned at rotating clamp particularly by the second fixing screws.The drilling that the present invention is used for ring parts circumferential apertures is processed.
Description
Technical field
The present invention relates to machining technology field, more particularly to a kind of ring parts brill circumference being used for end-face hole
The rotatable clamp in hole.
Background technology
Workpiece 12 as shown in Figure 9 and Figure 10 is loop configuration class part, and the both sides of workpiece 12 are plane and end face opens up one
Individual circular hole Φ, uniform three radial holes are required on the circumferencial direction of workpiece 12.The loop configuration Vehicle Processing shaping of part, end face
The easy clamping processing in hole, three radial holes of workpiece 12 are each perpendicular to arc-shaped surface.During existing ring parts processing radial hole,
Due to drill bit drilling directly on circular arc, no processing plane, it is big the positioning difficulty of drill bit to be present, and vibration is larger, causes to process
Radial hole size and positional precision it is poor, do not reach technological requirement, influence the crudy of part, and drill bit is easily broken
The problem of causing low production efficiency.
The content of the invention
During the invention aims to solve existing ring parts processing radial hole, because drill bit is directly on circular arc
Drilling, no processing plane, it is big the positioning difficulty of drill bit to be present, and vibration is larger, causes the size of radial hole and the position processed
Low precision, do not reach technological requirement, influence the crudy of part, and drill bit is easily broken the problem of causing low production efficiency.
And then provide a kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures.
The technical scheme is that：
A kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures, it includes base, bearing and folder
Specifically, base is horizontally disposed with, and bearing is fixed on the upper surface of base vertically, and it also includes alignment pin, hex head screw, the
Two fixing screws, nut, three the first fixing screws and three pressing plates,
Clamp body includes rotating clamp specifically and geometrical clamp is specific, and rotating clamp is specific and geometrical clamp specifically passes sequentially through turret head
Screw and nut location and installation is on bearing, and rotating clamp specifically includes three arc fixed plates and three drill bushing support bases, three
Arc fixed plate is fixed in a manner of annular array on the specific side end face of rotating clamp, the center of circle of three arc fixed plates
Overlapped with the specific center of circle of rotating clamp, three drill bushing support bases are curved support seat, and three drill bushing support bases are with circular array
The mode of row is vertically fixed at the circumference of the specific end face of rotating clamp, and the center of circle of three drill bushing support bases is and rolling clamp
The center of circle of body overlaps, and processes a drilling on each drill bushing support base of three drill bushing support bases, three drill bushing support bases and
Annular region is formed between three arc fixed plates, workpiece is placed in the specific annular region of rotating clamp, the excircle of workpiece
Face contacts with three drill bushing support bases, and the inner peripheral surface of workpiece contacts with three arc fixed plates, and three pressing plates are fitted in workpiece
On three arc fixed plates, three pressing plates are fixed on rotating clamp particularly by three the first fixing screws, and workpiece passes through
Two fixing screws are positioned at rotating clamp particularly.
Further, it also includes three drill bushings, and three drill bushings are separately mounted in the drilling of three drill bushing support bases.
Further, the upper end of bearing processes the first screw hole, and geometrical clamp is specially that cylindrical geometrical clamp is specific, cylinder
The center in stationary fixture body end face processes the second screw by hole, and rotating clamp is specially column shaped rotating clamp body, cylinder
The centre position in shape rolling clamp body end face processes the 3rd screw by hole, and hex head screw sequentially passes through the first screw hole, the
Rotating clamp is specifically specifically fixed on bearing by two screws by hole and the 3rd screw by hole and by nut with geometrical clamp.
Further, process the first pin-and-hole on the specific end face of the geometrical clamp of clamp body, on the specific end face of rotating clamp with
The mode of annular array processes three the second pin-and-holes, and alignment pin sequentially passes through specific first pin-and-hole of geometrical clamp and rolling clamp
Rotating clamp is simultaneously specifically fixed on geometrical clamp particularly by the second pin-and-hole of body.
Further, the angle between three the second pin-and-holes of the rotating clamp of clamp body particularly is α, α=120 °.
Further, three pressing plates are L-type pressing plate, and one end of three pressing plates is fitted in three arc fixed plates and workpiece
On, the other end of three pressing plates and the contacts side surfaces of three pressing plates, the other end processing bar hole of three pressing plates, stationary fixture
Three first through hole are processed on the end face of body in a manner of annular array, with the side of annular array on the specific end face of rotating clamp
Formula processes three the second through holes, three first through hole of geometrical clamp particularly and three the second through holes one of rotating clamp particularly
One correspondence, three the first fixing screws sequentially pass through specific second through hole of the bar hole of three pressing plate other ends, rotating clamp and
Workpiece is simultaneously fixed on rotating clamp particularly by the specific first through hole of geometrical clamp.
Further, third through-hole is processed on the specific end face of the rotating clamp of clamp body, the second fixing screws sequentially pass through
Workpiece is simultaneously fixed on rotating clamp particularly by unthreaded hole φ and rotating clamp on workpiece third through-hole particularly.
Further, the width of specific three arc fixed plates of the rotating clamp of clamp body is L1, three pressing plates it is another
The length at end is L2, the thickness of workpiece is L3, L1=L2=L3。
Further, the bottom surface of base 8 is plane.
The present invention has the following effects that compared with prior art：
1st, the present invention instead of traditional direct by three drill bushing support bases 14 of rotating clamp specific 2 and three drill bushings 1
The drilling radial hole on ring parts circular arc, the size requirement of the radial hole processed is effectively guaranteed, improves radial hole
Position machining accuracy.When drilling D holes, drill bit is vertical direction, and drill bit trend is perpendicular to workpiece after ensureing the clamping of workpiece 12
12 arc-shaped surface, drills the unthreaded hole D of workpiece 12 by three drill bushings 1 on vertical direction, ensure the centre bore of drill bushing 1 with
The central axis of drill bit overlaps, and drill bushing 1 plays guiding function to drill bit.
2nd, it is of the invention for the ease of once clamping drills out three uniform radial hole D of workpiece circumferencial direction on drilling machine
Rotating clamp specific 2 after first radial hole D is processed, is rotated by specific 3 rotation connection of hex head screw and geometrical clamp
120 ° of the entirety of rotating clamp specific 2 and workpiece 12, is seated alignment pin 4, tightens the turret head spiral shell in the first fixing screws 7 again
Nail 6, rotating clamp specific 2 and geometrical clamp specific 3 is overall fixed, second radial hole D is drilled, is effectively improved workpiece 12
Production efficiency, and meet batch workpiece production requirement.
3rd, the present invention is simple in construction, and clamping workpiece speed is fast, and the process-cycle is short, is effectively improved the production of workpiece
Efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；Fig. 2 is Fig. 1 front view；Fig. 3 is the side view of geometrical clamp specific 3；Figure
4 be Fig. 3 front view；Fig. 5 is the side view of rotating clamp specific 2；Fig. 6 is Fig. 5 front view；Fig. 7 is the main view of pressing plate 11
Figure；Fig. 8 is Fig. 7 top view；Fig. 9 is the top view of workpiece 12；Figure 10 is Fig. 9 front view.
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 1 to Figure 10, one kind of present embodiment is used for end
The ring parts of face bore the rotatable clamp of circumferential apertures, and it includes base 8, bearing 5 and clamp body, and base 8 is horizontally disposed,
Bearing 5 is fixed on the upper surface of base 8 vertically, and it also includes alignment pin 4, hex head screw 6, the second fixing screws 9, spiral shell
Female 10, three the first fixing screws 7 and three pressing plates 11,
Clamp body includes rotating clamp specific 2 and geometrical clamp specific 3, and rotating clamp specific 2 and geometrical clamp specific 3 pass sequentially through six
On bearing 5, rotating clamp specific 2 includes three arc fixed plates 13 and three drill bushings for head screw 6 and the location and installation of nut 10
Support base 14, three arc fixed plates 13 are fixed in a manner of annular array on a side end face of rotating clamp specific 2, three
The center of circle of the center of circle of arc fixed plate 13 with rotating clamp specific 2 overlaps, and three drill bushing support bases 14 are curved support seat,
Three drill bushing support bases 14 are vertically fixed in a manner of annular array at the circumference of the end face of rotating clamp specific 2, three drill bushings
The center of circle of the center of circle of support base 14 with rotating clamp specific 2 overlaps, on each drill bushing support base of three drill bushing support bases 14
One drilling 14-1 of processing, forms annular region, workpiece 12 is put between three drill bushing support bases 14 and three arc fixed plates 13
Put in the annular region of rotating clamp specific 2, the outer circumference surface of workpiece 12 contacts with three drill bushing support bases 14, workpiece 12
Inner peripheral surface is contacted with three arc fixed plates 13, and three pressing plates 11 are fitted on workpiece 12 and three arc fixed plates 13, and three
Individual pressing plate 11 is fixed on rotating clamp specific 2 by three the first fixing screws 7, and workpiece 12 is positioned by the second fixing screws 9
On rotating clamp specific 2.
Embodiment two：Illustrate present embodiment with reference to Fig. 1, Fig. 5, Fig. 6, Fig. 9 and Figure 10, present embodiment is also
Including three drill bushings 1, three drill bushings 1 are separately mounted in the drilling 14-1 of three drill bushing support bases 14.It is arranged such, passes through
Three drill bushings 1 on vertical direction drill the unthreaded hole D of workpiece 12, ensure the centre bore of drill bushing 1 and the central axis weight of drill bit
Close, drill bushing 1 plays guiding function to drill bit.Other compositions and annexation are identical with embodiment one.
Embodiment three：Illustrate present embodiment, the upper end of the bearing 5 of present embodiment with reference to Fig. 1 to 4 and Fig. 6
The first screw hole is processed, geometrical clamp specific 3 is that cylindrical geometrical clamp is specific, the center in cylindrical stationary fixture body end face
The second screw is processed by hole 3-1, rotating clamp specific 2 is column shaped rotating clamp body, in column shaped rotating clamp body end face
Between position process the 3rd screw by hole 2-1, hex head screw 6 sequentially passes through the first screw hole, the second screw passes through hole 3-1
Rotating clamp specific 2 and geometrical clamp specific 3 are fixed on bearing 5 with the 3rd screw by hole 2-1 and by nut 10.So
Set, rotating clamp specific 2 and geometrical clamp specific 3 are integrally attached on bearing 5 by hex head screw 6, when dismounting alignment pin
4, after unclamping nut 10, ensure that rotating clamp specific 2 can be relatively fixed clamp body 3 and freely rotate.Other compositions and annexation
It is identical with embodiment one or two.
Embodiment four：Illustrate present embodiment with reference to Fig. 1, Fig. 4 and Fig. 6, the clamp body of present embodiment is consolidated
The first pin-and-hole 3-2 is processed on the end face of clamp specific 3, three are processed in a manner of annular array on the end face of rotating clamp specific 2
Second pin-and-hole 2-2, alignment pin 4 sequentially pass through the first pin-and-hole 3-2 of geometrical clamp specific 3 and the second pin-and-hole 2- of rotating clamp specific 2
2 and rotating clamp specific 2 is fixed on geometrical clamp specific 3.It is arranged such, rotating clamp specific 2 passes through alignment pin 4 and geometrical clamp
Specific 3 is affixed.Other compositions and annexation are identical with embodiment one, two or three.
Embodiment five：Illustrate present embodiment, the rotating clamp specific 2 of the clamp body of present embodiment with reference to Fig. 6
On three the second pin-and-hole 2-2 between angle be α, α=120 °.It is arranged such, is bored by the drill bushing 1 on rotating clamp specific 2
First radial hole D of workpiece 12 processed, after the completion of drilling, extract alignment pin 4 out, screw the nut 10 in the first fixing screws 6,
120 ° of the entirety of rotating clamp specific 2 and workpiece 12 is rotated, alignment pin 4 is seated again, tightens the hexagonal in the first fixing screws 7
Head screw 6, rotating clamp specific 2 and geometrical clamp specific 3 is overall fixed, second radial hole D is drilled, drills the 3rd successively
Radial hole D.Other compositions and annexation are identical with embodiment one, two, three or four.
Embodiment six：Illustrate present embodiment with reference to Fig. 1, Fig. 4 and Fig. 6 to Fig. 8, three of present embodiment
Pressing plate 11 is L-type pressing plate, and one end of three pressing plates 11 is fitted on three arc fixed plates 13 and workpiece 12, three pressing plates
The contacts side surfaces of 11 other end and three pressing plates 11, the other end processing bar hole 11-1 of three pressing plates 11, geometrical clamp are specific
Three first through hole 3-3 are processed on 3 end face in a manner of annular array, with annular array on the end face of rotating clamp specific 2
Mode processes three the second through hole 2-3, three first through hole 3-3 on geometrical clamp specific 3 and three on rotating clamp specific 2
Second through hole 2-3 is corresponded, and three the first fixing screws 7 sequentially pass through bar hole, the rotating clamp of three other ends of pressing plate 11
Workpiece 12 is simultaneously fixed on rotating clamp specific 2 by specific 2 the second through hole 2-3 and first through hole 3-3 of geometrical clamp specific 3.Such as
This is set, and workpiece 12 is fixedly mounted on rotating clamp specific 2 by three pressing plates 11 and three the first fixing screws 7, effectively
It ensure that the precise positioning of workpiece 12.Other compositions and annexation are identical with embodiment one, two, three, four or five.
Embodiment seven：Illustrate present embodiment, the rotation of the clamp body of present embodiment with reference to Fig. 2, Fig. 4 and Fig. 9
Turn to process third through-hole 2-4 on the end face of clamp body 2, the second fixing screws 9 sequentially pass through unthreaded hole φ and rotation on workpiece 12
Workpiece 12 is simultaneously fixed on rotating clamp specific 2 by third through-hole 2-4 on clamp body 2.It is arranged such, the second fixing screws 9 are worn
Cross the unthreaded hole φ of workpiece 12 and the third through-hole 2-4 of rotating clamp specific 3 and workpiece 12 is pressed on rotating clamp specific 2, ensure
Workpiece 12 is accurately positioned.Other compositions and annexation are identical with embodiment one, two, three, four, five or six.
Embodiment eight：Illustrate present embodiment with reference to Fig. 1, Fig. 2, Fig. 5 to Fig. 7 and Fig. 9, present embodiment
The width of three arc fixed plates 13 of the rotating clamp specific 2 of clamp body is L1, the length of the other end of three pressing plates 11 is L2,
The thickness of workpiece 12 is L3, L1=L2=L3.It is arranged such, workpiece 12 is fixedly mounted on three arc fixed plates 13, three
Workpiece 12 is pressed on rotating clamp specific 2 by pressing plate 11, ensures being accurately positioned for workpiece 12.It is other composition and annexation and
Embodiment one, two, three, four, five, six or seven are identical.
Embodiment nine：Illustrate present embodiment with reference to Fig. 1, the bottom surface of the base 8 of present embodiment is plane.
It is arranged such, is easy to the horizontal clamping of the present invention on equipment table top.Other compositions and annexation and embodiment one,
2nd, three, four, five, six, seven or eight are identical.
Operation principle：
Illustrate the operation principle of the present invention with reference to Fig. 1 to Figure 10, the structure of workpiece 12 is loop configuration, thickness L3, both sides
A circular hole φ is provided with for plane and end face, uniform three radial hole D on the circumferencial direction of workpiece 12, when drilling D holes, is bored
Head is vertical direction, and drill bit trend is perpendicular to the arc-shaped surface of workpiece 12, the central axis of workpiece 12 after ensureing the clamping of workpiece 12
Specific with the geometrical clamp of clamp body 3 and specific 2 central axis of rotating clamp overlap.
The present invention is placed horizontally on equipment table top.By alignment pin 4 and hex head screw 6 by specific 2 He of rotating clamp
Geometrical clamp specific 3 is integrally attached on bearing 5, is close-fitting between alignment pin 4 and rotating clamp specific 2 and geometrical clamp specific 3
Close.When dismounting alignment pin 4, after unclamping nut 10, ensure that rotating clamp specific 2 can be relatively fixed clamp body 3 and freely rotate.
Workpiece 12 is put into the annular region of rotating clamp specific 3, ensures that between workpiece 12 and rotating clamp specific 2 be gap
Coordinate, the central axis of workpiece 12 is consistent with the central axis of rotating clamp specific 2, the thickness L of workpiece 123With rotating clamp specific 2
Three arc fixed plates 13 width L1Unanimously, contacted between workpiece 12 and rotating clamp specific 2 for face, the second fixing screws 9
Through the unthreaded hole φ and rotating clamp specific 3 of workpiece 12 third through-hole 2-4 and workpiece 12 is pressed on rotating clamp specific 2,
Three pressing plates 11 are L-type pressing plate, the length L of the other end of three pressing plates 112With three arc fixed plates 13
Width L1Unanimously.Workpiece 12 is pressed on rotating clamp specific 2 by three pressing plates 11 and three the first fixing screws 7 again and consolidated
Clamp specific 3 on the whole, ensures workpiece 12 without the play in any direction, accurate positioning.
First radial hole D of workpiece 12 is drilled by the drill bushing 1 on rotating clamp specific 2, after the completion of drilling, it is fixed to extract out
Position pin 4, screws the nut 10 in the first fixing screws 6, rotates 120 ° of the entirety of rotating clamp specific 2 and workpiece 12, is seated again
Alignment pin 4, the hex head screw 6 in the first fixing screws 7 is tightened, rotating clamp specific 2 and geometrical clamp specific 3 is overall fixed,
Second radial hole D is drilled, drills the 3rd radial hole D successively.The first fixing screws 7 and pressing plate 11 are unclamped after machining,
Workpiece 12 is unloaded, drills completion.
Claims (9)
1. a kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures, it includes base (8), bearing (5)
And clamp body, base (8) is horizontally disposed, and bearing (5) is fixed on the upper surface of base (8) vertically, it is characterised in that：It is also wrapped
Include alignment pin (4), hex head screw (6), the second fixing screws (9), nut (10), three the first fixing screws (7) and three
Pressing plate (11),
Clamp body includes rotating clamp specific (2) and geometrical clamp is specific (3), and rotating clamp specific (2) and geometrical clamp specific (3) lead to successively
Hex head screw (6) and nut (10) location and installation are crossed on bearing (5), rotating clamp specific (2) includes three arc fixed plates
(13) and three drill bushing support bases (14), it is specific that three arc fixed plates (13) are fixed in rotating clamp in a manner of annular array
(2) on a side end face, the center of circle of the centers of circle of three arc fixed plates (13) with rotating clamp specific (2) overlaps, three drill bushings
Support base (14) is curved support seat, and three drill bushing support bases (14) are vertically fixed in rolling clamp in a manner of annular array
At the circumference of the end face of body (2), the center of circle of the centers of circle of three drill bushing support bases (14) with rotating clamp specific (2) overlaps, three
Process a drilling (14-1) on each drill bushing support base of drill bushing support base (14), three drill bushing support bases (14) with three
Annular region is formed between arc fixed plate (13), workpiece (12) is placed in the annular region of rotating clamp specific (2), workpiece
(12) outer circumference surface contacts with three drill bushing support bases (14), the inner peripheral surface of workpiece (12) and three arc fixed plates (13)
Contact, three pressing plates (11) are fitted on workpiece (12) and three arc fixed plates (13), and three pressing plates (11) pass through three the
One fixing screws (7) are fixed on rotating clamp specific (2), and workpiece (12) is positioned at rolling clamp by the second fixing screws (9)
On body (2).
2. a kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures according to claim 1, its
It is characterised by：It also includes three drill bushings (1), and three drill bushings (1) are separately mounted to the drilling of three drill bushing support bases (14)
In (14-1).
3. a kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures according to claim 1, its
It is characterised by：The upper end of bearing (5) processes the first screw hole, and geometrical clamp specific (3) is that cylindrical geometrical clamp is specific, and cylinder is solid
The center of the specific end face of clamp processes the second screw by hole (3-1), and rotating clamp specific (2) is column shaped rotating fixture
Body, the centre position of column shaped rotating clamp body end face process the 3rd screw and worn successively by hole (2-1), hex head screw (6)
Cross the first screw hole, the second screw by hole (3-1) and the 3rd screw by hole (2-1) and by nut (10) by rolling clamp
Body (2) and geometrical clamp specific (3) are fixed on bearing (5).
4. a kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures according to claim 1, its
It is characterised by：The first pin-and-hole (3-2) is processed on the end face of the geometrical clamp of clamp body specific (3), rotating clamp is specifically on the end face of (2)
Three the second pin-and-holes (2-2) are processed in a manner of annular array, alignment pin (4) sequentially passes through the first pin-and-hole of geometrical clamp specific 3
Rotating clamp specific (2) is simultaneously fixed on geometrical clamp specific (3) by the second pin-and-hole (2-2) of (3-2) and rotating clamp specific (2).
5. a kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures according to claim 4, its
It is characterised by：The angle between three the second pin-and-holes (2-2) on the rotating clamp of clamp body specific (2) is α, α=120 °.
6. a kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures according to claim 1, its
It is characterised by：Three pressing plates (11) are L-type pressing plate, one end of three pressing plates (11) be fitted in three arc fixed plates (13) and
On workpiece (12), the other end of three pressing plates (11) and the contacts side surfaces of three pressing plates (11), the other end of three pressing plates (11)
Bar hole (11-1) is processed, three first through hole (3-3) are processed in a manner of annular array on the end face of geometrical clamp specific (3),
Three the second through holes (2-3) are processed on the end face of rotating clamp specific (2) in a manner of annular array, geometrical clamp is specifically on (3)
Three first through hole (3-3) correspond with three the second through holes (2-3) on rotating clamp specific (2), three first fixation spiral shells
Nail (7) sequentially passes through the second through hole (2-3) and geometrical clamp of the bar hole of three pressing plate (11) other ends, rotating clamp specific (2)
Specifically the first through hole (3-3) of (3) and workpiece (12) is fixed on rotating clamp specific (2).
7. a kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures according to claim 5, its
It is characterised by：Third through-hole (2-4) is processed on the end face of the rotating clamp of clamp body specific (2), the second fixing screws (9) are worn successively
Workpiece (12) is simultaneously fixed on rotation by third through-hole (2-4) on the unthreaded hole (φ) and rotating clamp crossed on workpiece (12) specific (2)
On clamp body (2).
8. a kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures according to claim 1 or 7,
It is characterized in that：The width of three arc fixed plates (13) of the rotating clamp of clamp body specific (2) is L1, three pressing plates (11)
The length of the other end is L2, the thickness of workpiece (12) is L3, L1=L2=L3。
9. a kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures according to claim 1, its
It is characterised by：The bottom surface of base (8) is plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711245818.XA CN107877204A (en) | 2017-11-30 | 2017-11-30 | A kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711245818.XA CN107877204A (en) | 2017-11-30 | 2017-11-30 | A kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures |
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| Publication Number | Publication Date |
|---|---|
| CN107877204A true CN107877204A (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711245818.XA Pending CN107877204A (en) | 2017-11-30 | 2017-11-30 | A kind of rotatable clamp for being used for the ring parts with end-face hole and boring circumferential apertures |
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| CN (1) | CN107877204A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480701A (en) * | 2018-03-29 | 2018-09-04 | 荀为君 | A kind of multifunctional drill mechanism |
| CN110370043A (en) * | 2019-07-29 | 2019-10-25 | 无锡市艾尔福叶片有限公司 | Axial-flow fan blade reverse drawing hole processing clamp and its clamping method |
| CN110842598A (en) * | 2019-11-12 | 2020-02-28 | 中国船舶重工集团公司第七0七研究所 | Positioning and clamping device for high-speed machining of cycloid gear |
| CN113618428A (en) * | 2021-07-23 | 2021-11-09 | 常州机电职业技术学院 | Clamp for drilling and tapping of shell workpiece |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108480701A (en) * | 2018-03-29 | 2018-09-04 | 荀为君 | A kind of multifunctional drill mechanism |
| CN110370043A (en) * | 2019-07-29 | 2019-10-25 | 无锡市艾尔福叶片有限公司 | Axial-flow fan blade reverse drawing hole processing clamp and its clamping method |
| CN110842598A (en) * | 2019-11-12 | 2020-02-28 | 中国船舶重工集团公司第七0七研究所 | Positioning and clamping device for high-speed machining of cycloid gear |
| CN110842598B (en) * | 2019-11-12 | 2021-11-16 | 天津旗领机电科技有限公司 | Positioning and clamping device for high-speed machining of cycloid gear |
| CN113618428A (en) * | 2021-07-23 | 2021-11-09 | 常州机电职业技术学院 | Clamp for drilling and tapping of shell workpiece |
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