CN106514361A - Drilling clamp - Google Patents
Drilling clamp Download PDFInfo
- Publication number
- CN106514361A CN106514361A CN201710033396.3A CN201710033396A CN106514361A CN 106514361 A CN106514361 A CN 106514361A CN 201710033396 A CN201710033396 A CN 201710033396A CN 106514361 A CN106514361 A CN 106514361A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- rationed marketing
- mandrel
- workpiece
- indexable
- Prior art date
- 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.)
- Granted
Links
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a drilling clamp. The drilling clamp comprises a base, a core shaft, a core shaft fixing plate, a transposition base, a workpiece, a drill sleeve and a lock assembly, wherein the core shaft fixing plate, the transposition base, the workpiece, the drill sleeve and the lock assembly are sequentially arranged on the outer side of the core shaft in a sleeving manner from bottom to top. The core shaft fixing plate is fixed to the base through a fastening assembly. The core shaft fixing plate is further connected with elastic opposite-positioning pins. The elastic opposite-positioning pins can partly stretch into opposite-positioning pin holes of the transposition base to position the rotation base, and the transposition base can drive the workpiece to rotate around the core shaft. A fixing pin is further connected between the workpiece and the transposition base. One-face two-pin positioning is adopted in the clamp, positioning difficulty and positioning errors generated through traditional inner tooth profile positioning are overcome, an index head does not need to be used when multiple holes are drilled in the circumferential direction, and the operation convenience and rapidness degree and the yield are improved.
Description
Technical field
The present invention relates to machining technology field fixture, and in particular to a kind of boring grab.
Background technology
To workpiece with hole, when such as carrying out Drilling operation to cover parts such as gear, oil distribution casings, existing fixture mostly is internal tooth
Type is positioned, and this positioning mode location difficulty and is also easy to produce position error.And, when needing circumferentially to bore multiple holes, existing folder
Tool needs to coordinate dividing head to use, and easily causes pinching deformation and error, and clamp structure is complicated, operation inconvenience, finished product effect
Rate is low.
The content of the invention
The technical problem to be solved in the present invention is the defect for overcoming prior art, there is provided a kind of boring grab, the fixture are adopted
With two finger settings of one side, traditional location difficulty produced so that inner tooth type is positioned and position error are overcome, circumferentially bore many
Without using dividing head during individual hole, operating comfort and yield rate increase.
To solve above-mentioned technical problem, the technical solution used in the present invention is：
A kind of boring grab, including：Pedestal, mandrel, and be placed on successively on the outside of mandrel from bottom to top mandrel fixed plate, indexable base
Seat, workpiece, drill bushing and latch assembly；The mandrel fixed plate is fixed on pedestal by fastening assembly；The mandrel fixed plate is also
Be connected with elasticity to pin, the elasticity rationed marketing partly can be stretched into indexable pedestal in rationed marketing hole to rotating basis positioning,
The indexable pedestal can drive workpiece to rotate around the mandrel；Steady pin is connected with also between workpiece and the indexable pedestal.
It is further preferred that above-mentioned steady pin is rhombus pin.
When rat holing is needed, it is preferred that the pedestal upper surface is inclined-plane, and the mandrel is perpendicular to the inclined-plane.Tiltedly
Face refers to the inclined plane of relative level, and the angle of inclination on inclined-plane arbitrarily can adjust as needed, e.g., in a preferred embodiment
In, when workpiece is oil distribution casing, during rat holing, 11 ° of oil distribution casing end slope is most important, and now inclined-plane is with respect to the horizontal plane
Elect 11 as in angle of inclination.
Preferably, the elasticity includes to rationed marketing to rationed marketing and flexible member, it is described to rationed marketing with from its end face to week
The tapered plane that face extends, indexable pedestal are contacted with the tapered plane to rationed marketing hole lower end.It is further preferred that the elasticity unit
Part is spring.
Preferably, the indexable pedestal lateral circle surface offers some rotational fixation holes, detachable in the rotational fixation hole
Connection rotary handle.
Preferably, the latch assembly includes be open pad and fixing nut.
The fastening assembly includes stop pin and screw.
Preferably, the mandrel fixed plate is circumferentially all provided with least one elasticity to rationed marketing, and indexable pedestal is circumferentially all provided with
At least one pair of rationed marketing hole.
The beneficial effect reached by the present invention：
The fixture of the present invention is using two finger settings of one side（Position based on mandrel, position supplemented by steady pin）, when needing circumferentially to bore
During more than one hole, after the completion of first hole, indexable pedestal need to be only rotated, indexable pedestal drives workpiece rotation, during rotation pair
Rationed marketing is first pressurized descending under elastic force effect, after sprung in the corresponding hole to pin of indexable pedestal again, workpiece is with indexable base
Seat regains positioning, and then bores next hole.
The rotation of indexable pedestal for convenience（Or claim indexing）, fixture separately matches somebody with somebody rotary handle, when rotation is needed, will rotation
In handle insertion rotational fixation hole, promote rotary handle easily can rotate.The tapered plane being provided with to rationed marketing can be avoided because of rotation
There is the indexing pedestal indexing failure from caused by transferring when turning to rationed marketing.During the conversion of hole position, workpiece is made to turn with mandrel fixed plate
It is dynamic, it is ensured that Rotational accuracy.
Description of the drawings
Fig. 1 is the side sectional view of workpiece in embodiment；
Fig. 2 is the side sectional view of boring grab in embodiment；
Fig. 3 is the side view to pin；
Fig. 4 is the top view to pin；
Fig. 5 is the top view of indexable pedestal；
Fig. 6 is the side view of indexable pedestal；
Fig. 7 is the top view of mandrel fixed plate；
Fig. 8 is the side view of mandrel fixed plate；Wherein：
1. oil distribution casing, 11. inclined holes, 12. straight holes, 13. macropores, 2. pedestal, 21. inclined-planes, 22. base plates, 3. mandrel fixed plate,
31. pairs of pins, 311. tapered planes, 32. springs, 33. stop pins, 34. socket cap screws, 35. counterbores, 4. turn
Position pedestal, 41. steady pins, 42. rotary handles, 43. rotational fixation holes, 44. pairs of pin holes, 5. mandrel, 51. positioning keys,
6. drill bushing, 7. bushing plate, be 8. open pad, 9. hex nut.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
In the present embodiment, workpiece is plunger type oil motor oil distribution casing 1, and structure is as shown in figure 1, oil distribution casing 1 completes interior profile adds
After work, 6- Φ 8 are got out in advance+0.0300Straight hole 12, then with 1 Φ 24 of oil distribution casing+0.0400Macropore 13 is positioned, with Φ 8+0.0300Straight hole 12
Make auxiliary positioning with rhombus, after face clamping, carry out 6.7 inclined holes of 6- Φ, 11 drilling, the present embodiment fixture is exactly for 6- Φ 6.7
11 drilling of inclined hole.
As shown in Fig. 2 the boring grab includes：Base plate 22, pedestal 2, mandrel 5, and be placed on successively outside mandrel 5 from bottom to top
The mandrel fixed plate 3 of side, indexable pedestal 4, workpiece（Hereinafter referred to as oil distribution casing 1）, drill bushing 6 and latch assembly；Specifically, latch assembly
Including opening pad 8 and fixing nut, fixing nut is specially hex nut 9.Mandrel fixed plate 3 is fixed in base by fastening assembly
On seat 2, specifically, fastening assembly includes stop pin 33 and screw, the screw specifically socket cap screw 34.Mandrel is solid
Fixed board 3 be also connected with elasticity to rationed marketing, the elasticity rationed marketing partly can be stretched into indexable pedestal 4 in rationed marketing hole 44 to indexable base
Seat 4 is positioned, and the indexable pedestal 4 can drive oil distribution casing 1 to rotate around the mandrel 5；Between oil distribution casing 1 and indexable pedestal 4 also
It is connected with steady pin 41.In the present embodiment, steady pin 41 is rhombus pin.
Elasticity is included to rationed marketing to rationed marketing 31 and spring 32, as shown in Figures 3 and 4, in order to avoid to 31 rotation of rationed marketing, to nail
Pin 31 with the tapered plane 311 extended from its end face to side face, indexable pedestal 4 to 44 lower end of pin hole and the tapered plane 311
Contact.
Due to it is drilled be inclined hole 11,2 upper surface of pedestal be inclined-plane 21, concrete angle of inclination be 11, inclined-plane 21 refers to relatively
The inclined plane of horizontal plane, the angle of inclination on inclined-plane 21 arbitrarily can be adjusted as needed.Fixture assemble when it is optional using the following method：
Fixture is positioned over bench drill, the T-slot of T-shaped screw Jing bench drill bases is slipped in the mounting groove of clamp bottom board 22, is slightly locked
Tightly；In the drill bushing 6 of 6.7 fluted drills of the Φ insertion bushing plate 7 that drill chuck is clamped, locking fixture backed off after random drill bit；The present invention's
Fixture can be without bushing plate 7, it is also possible to install bushing plate 7, and when 11 drilling of inclined hole can be preferably prevented during installation, drill bit is beaten
It is sliding.Also there is between bushing plate 7 and mandrel 5 positioning key 51.
Mandrel 5 is perpendicular to the inclined-plane 21 of pedestal 2.When oil distribution casing 1 is assembled, slightly loose hex nut 9, by oil distribution casing 1 from upper past
Under be inserted in cylindrical, the Φ 8 on an optional oil distribution casing 1 of the mandrel 5 that gap therewith coordinates+0.0300Straight hole 12 is inserted in rhombus pin, and
The baseplane of oil distribution casing 1 is made to be close to indexable pedestal 4, in 1 top insertion opening pad 8 of oil distribution casing, last locking nut 9.
In the present embodiment, fixture circumferentially need to bore 6 6.7 inclined holes 11 of Φ to oil distribution casing 1, therefore, as it can be seen in figures 5 and 6, turning
Position 4 lateral circle surface of pedestal is circumferentially equipped with 6 rotational fixation holes 43, is to fixed positioned at 6 uniform holes of 4 end face of indexable pedestal
Pin-and-hole 44, is mutually perpendicular to the axis in rationed marketing hole 44 and rotational fixation hole 43.Rotation hand is detachably connected in rotational fixation hole 43
Handle 42.
After an inclined hole 11 is machined, 9 one tooth of locking outer-hexagonal nut or so is slightly unscrewed, in 4 side of indexable pedestal
Hole position（That is rotational fixation hole 43）Insertion detachable rotary handle 42, and 60 ° are pulled clockwise, when clickly sound is heard, show
The counterbore 35 of 3 end face of mandrel fixed plate（Hole i.e. equipped with elasticity to pin, as shown in Figure 7 and Figure 8）In to follow closely rationed marketing 31 exist
It is first pressurized descending under spring-force driven dual, after spring into again indexable pedestal 4 to tackling in pin hole 44,1 workpiece of oil distribution casing with
Indexable pedestal 4 regains positioning, after locking outer-hexagonal nut 9, you can get out 6.7 holes of another Φ by drawing dimensional requirement.Press
Above step slightly unscrews 9 one tooth of locking outer-hexagonal nut or so up to 6 inclined holes 11 are drilled, finally, removes opening pad 8, i.e.,
Oil distribution casing 1 is removed vertically can, repeatedly aforesaid operations complete the drilling of another oil distribution casing 1 afterwards.Using opening pad 8, can pole
Big improve production efficiency, only needs loosening nut just replaceable next oil distribution casing 1.
As shown in Figure 7 and Figure 8, in order to preferably position to oil distribution casing 1, in the present embodiment, 5 fixed plate 3 of mandrel is along week
To three counterbores 35 are all provided with, respectively connect an elasticity in each counterbore 35 to pin.In fixture, mandrel fixed plate 3, indexable pedestal 4,
Workpiece and mandrel 5 are coaxial.The drilling in 6 holes is completed after this fixture clamped one time, 1 part of oil distribution casing need not be dismantled in centre,
Clamping error is effectively evaded.
Dimensions above is merely to the convenience of explanation, the size for being drilled in a particular embodiment can appoint according to actual needs
Meaning adjustment, size are not as a limitation of the invention.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the technology of the present invention principle, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of boring grab, it is characterised in that include：Pedestal, mandrel, and the mandrel being placed on successively on the outside of mandrel from bottom to top
Fixed plate, indexable pedestal, workpiece, drill bushing and latch assembly；The mandrel fixed plate is fixed on pedestal by fastening assembly；It is described
Mandrel fixed plate be also connected with elasticity to rationed marketing, the elasticity rationed marketing partly can be stretched into indexable pedestal in rationed marketing hole to revolve
Turn base stand location, the indexable pedestal can drive workpiece to rotate around the mandrel；Also connect between workpiece and the indexable pedestal
There is steady pin.
2. a kind of boring grab according to claim 1, it is characterised in that the pedestal upper surface is inclined-plane, the core
Axle is perpendicular to the inclined-plane.
3. a kind of boring grab according to claim 1, it is characterised in that the elasticity is included to rationed marketing to rationed marketing and bullet
Property element, it is described to rationed marketing with the tapered plane extended from its end face to side face, indexable pedestal to rationed marketing hole lower end with it is described
Tapered plane is contacted.
4. a kind of boring grab according to any one of claim 1-3, it is characterised in that the indexable pedestal lateral circle surface is opened
Some rotational fixation holes are provided with, in the rotational fixation hole, rotary handle is detachably connected.
5. a kind of boring grab according to claim 4, it is characterised in that the latch assembly includes being open pad and solid
Determine nut.
6. a kind of boring grab according to claim 1, it is characterised in that the fastening assembly includes stop pin and spiral shell
Nail.
7. a kind of boring grab according to claim 1, it is characterised in that the mandrel fixed plate is circumferentially all provided with least
To rationed marketing, indexable pedestal is circumferentially all provided with least one pair of rationed marketing hole to one elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033396.3A CN106514361B (en) | 2017-01-18 | 2017-01-18 | A kind of boring grab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033396.3A CN106514361B (en) | 2017-01-18 | 2017-01-18 | A kind of boring grab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106514361A true CN106514361A (en) | 2017-03-22 |
| CN106514361B CN106514361B (en) | 2019-08-23 |
Family
ID=58335750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710033396.3A Active CN106514361B (en) | 2017-01-18 | 2017-01-18 | A kind of boring grab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106514361B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280784A (en) * | 2019-07-19 | 2019-09-27 | 苏州铼洛威液压泵有限公司 | Cast iron oil distribution casing turning clamp |
| CN110961696A (en) * | 2019-11-20 | 2020-04-07 | 中国航发沈阳黎明航空发动机有限责任公司 | Clamp for multi-angle drilling |
| CN112548599A (en) * | 2020-11-27 | 2021-03-26 | 重庆智展齿轮传动有限公司 | Method for accurately machining large-diameter porous workpiece |
Citations (6)
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|---|---|---|---|---|
| CN201524924U (en) * | 2009-10-28 | 2010-07-14 | 大连创新齿轮箱制造有限公司 | Special drill jig for processing holes perpendicular to gear inclined radial plate surface |
| CN202763140U (en) * | 2012-09-13 | 2013-03-06 | 潍坊润搏机械有限公司 | Dedicated drilling jig for inclined hole of supporting shaft of C4 outer hub |
| CN203330748U (en) * | 2013-07-15 | 2013-12-11 | 株洲齿轮有限责任公司 | Milling oil groove clamp of planet gear |
| CN103522093A (en) * | 2013-05-31 | 2014-01-22 | 洛阳建浩重工机械有限公司 | Fixture special for flange |
| CN204248561U (en) * | 2014-11-20 | 2015-04-08 | 威远县合众机械设备制造有限公司 | A kind of multi-functional mobile drill clamp for shaft coupling |
| CN206455427U (en) * | 2017-01-18 | 2017-09-01 | 苏州工业职业技术学院 | A kind of boring grab |
-
2017
- 2017-01-18 CN CN201710033396.3A patent/CN106514361B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201524924U (en) * | 2009-10-28 | 2010-07-14 | 大连创新齿轮箱制造有限公司 | Special drill jig for processing holes perpendicular to gear inclined radial plate surface |
| CN202763140U (en) * | 2012-09-13 | 2013-03-06 | 潍坊润搏机械有限公司 | Dedicated drilling jig for inclined hole of supporting shaft of C4 outer hub |
| CN103522093A (en) * | 2013-05-31 | 2014-01-22 | 洛阳建浩重工机械有限公司 | Fixture special for flange |
| CN203330748U (en) * | 2013-07-15 | 2013-12-11 | 株洲齿轮有限责任公司 | Milling oil groove clamp of planet gear |
| CN204248561U (en) * | 2014-11-20 | 2015-04-08 | 威远县合众机械设备制造有限公司 | A kind of multi-functional mobile drill clamp for shaft coupling |
| CN206455427U (en) * | 2017-01-18 | 2017-09-01 | 苏州工业职业技术学院 | A kind of boring grab |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280784A (en) * | 2019-07-19 | 2019-09-27 | 苏州铼洛威液压泵有限公司 | Cast iron oil distribution casing turning clamp |
| CN110961696A (en) * | 2019-11-20 | 2020-04-07 | 中国航发沈阳黎明航空发动机有限责任公司 | Clamp for multi-angle drilling |
| CN110961696B (en) * | 2019-11-20 | 2021-08-24 | 中国航发沈阳黎明航空发动机有限责任公司 | Clamp for multi-angle drilling |
| CN112548599A (en) * | 2020-11-27 | 2021-03-26 | 重庆智展齿轮传动有限公司 | Method for accurately machining large-diameter porous workpiece |
| CN112548599B (en) * | 2020-11-27 | 2022-11-18 | 重庆智展齿轮传动有限公司 | Method for accurately machining large-diameter porous workpiece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106514361B (en) | 2019-08-23 |
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