CN206455427U - A kind of boring grab - Google Patents
A kind of boring grab Download PDFInfo
- Publication number
- CN206455427U CN206455427U CN201720055025.0U CN201720055025U CN206455427U CN 206455427 U CN206455427 U CN 206455427U CN 201720055025 U CN201720055025 U CN 201720055025U CN 206455427 U CN206455427 U CN 206455427U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- mandrel
- rationed marketing
- indexable
- fixed plate
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of boring grab, including：Pedestal, mandrel, and it is placed on mandrel fixed plate, indexable pedestal, workpiece, drill bushing and latch assembly on the outside of mandrel successively from bottom to top；The mandrel fixed plate is fixed on pedestal by fastening assembly；The mandrel fixed plate is also connected with elasticity to rationed marketing, the elasticity rationed marketing can be stretched into partly indexable pedestal to, to rotating basis positioning, the indexable pedestal can drive workpiece to be rotated around the mandrel in rationed marketing hole；Steady pin is also connected between workpiece and the indexable pedestal.The fixture is overcome traditional location difficulty and position error produced with inner tooth type positioning, increased without using dividing head, operating comfort and yield rate when circumferentially boring multiple holes using two finger settings of one side.
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 gear, oil distribution casing cover parts, existing fixture is generally internal tooth
Type is positioned, and this positioning method 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 be the defect for overcoming prior art there is provided a kind of boring grab, the fixture is adopted
With two finger settings of one side, traditional location difficulty and position error produced with inner tooth type positioning is overcome, is circumferentially bored many
Without using dividing head during individual hole, operating comfort and yield rate increase.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of boring grab, including：Pedestal, mandrel, and be placed on mandrel fixed plate on the outside of mandrel successively from bottom to top, turn
Position pedestal, workpiece, drill bushing and latch assembly；The mandrel fixed plate is fixed on pedestal by fastening assembly；The mandrel is fixed
Plate be also connected with elasticity to pin, the elasticity rationed marketing can be stretched into partly indexable pedestal in rationed marketing hole to rotating basis determine
Position, the indexable pedestal can drive workpiece to be rotated around the mandrel；Steady pin is also connected between workpiece and the indexable pedestal.
It is further preferred that above-mentioned steady pin is rhombus pin.
When needing rat holing, 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 can arbitrarily be adjusted 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.
It is preferred that, the elasticity includes to rationed marketing and flexible member to rationed marketing, described to have rationed marketing from its end face to week
The tapered plane of face extension, indexable pedestal is contacted to rationed marketing hole lower end with the tapered plane.It is further preferred that the elasticity member
Part is spring.
It is preferred that, the indexable pedestal lateral circle surface offers detachable in some rotational fixation holes, the rotational fixation hole
Connect rotary handle.
It is preferred that, the latch assembly includes opening pad and fixing nut.
The fastening assembly includes stop pin and screw.
It is preferred that, 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 is to rationed marketing hole.
The beneficial effect that the present invention is reached：
The fixture of the present invention is using two finger settings of one side（Position, positioned supplemented by steady pin based on mandrel）, when needing along week
To when boring more than one hole, after the completion of first hole, indexable pedestal need to be only rotated, indexable pedestal drives workpiece rotation, rotation
When to rationed marketing elastic force effect under be first pressurized it is descending, after spring into again in the corresponding hole to pin of indexable pedestal, workpiece with turn
Position pedestal regains positioning, and then bores next hole.
The rotation of indexable pedestal for convenience（Or indexing）, fixture separately match somebody with somebody rotary handle, when need rotation when, will rotate
In handle insertion rotational fixation hole, rotary handle is promoted easily to rotate.The tapered plane being provided with to rationed marketing can be avoided because of rotation
Rationed marketing occurs when turning the indexable indexable failure of pedestal caused by rotation.During the conversion of hole position, workpiece is set to turn with mandrel fixed plate
It is dynamic, it is ensured that Rotational accuracy.
Brief 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. pedestals, 21. inclined-planes, 22. bottom plates, 3. mandrels are consolidated
Fixed board, 31. pairs of pins, 311. tapered planes, 32. springs, 33. stop pins, 34. socket cap screws, 35. counterbores,
4. indexable pedestal, 41. steady pins, 42. rotary handles, 43. rotational fixation holes, 44. pairs of pin holes, 5. mandrels, 51. determine
Position key, 6. drill bushings, 7. bushing plates, 8. opening pads, 9. hex nuts.
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.
Workpiece is plunger type oil motor oil distribution casing 1, structure as shown in figure 1, oil distribution casing 1 completes interior profile adds in the present embodiment
After work, 6- Φ 8 are got out in advance+0.0300Straight hole 12, then with the Φ 24 of oil distribution casing 1+0.0400Macropore 13 is positioned, with Φ 8+0.0300Straight hole 12
Made to carry out the drilling of 6.7 inclined holes of 6- Φ 11 after auxiliary positioning, face clamping with rhombus, the present embodiment fixture is exactly to be used for 6- Φ 6.7
The drilling of inclined hole 11.
As shown in Fig. 2 the boring grab includes：Bottom 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 is specifically socket cap screw 34.Mandrel is consolidated
Fixed board 3 be also connected with elasticity to rationed marketing, the elasticity rationed marketing can be stretched into partly 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 be rotated around the mandrel 5；Between oil distribution casing 1 and indexable pedestal 4 also
It is connected with steady pin 41.Steady pin 41 is rhombus pin in the present embodiment.
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 the rotation of rationed marketing 31, to nail
Pin 31 has a tapered plane 311 from its end face to side face that extend from, indexable pedestal 4 to the lower end of pin hole 44 and the tapered plane 311
Contact.
It is inclined hole 11 by drilling, the upper surface of pedestal 2 is inclined-plane 21, and specific angle of inclination is 11 ゜, and inclined-plane 21 refers to relatively
The inclined plane of horizontal plane, the angle of inclination on inclined-plane 21 can arbitrarily be adjusted as needed.Fixture assemble when it is optional using the following method：
Fixture is positioned over bench drill, and T-slot of the T-shaped screw through bench drill base is slipped into the mounting groove of clamp bottom board 22, slightly
Micro- locking；In the drill bushing 6 for the fluted drills of the Φ 6.7 insertion bushing plate 7 that drill chuck is clamped, locking fixture backed off after random drill bit；This hair
Bright fixture can also install bushing plate 7 without bushing plate 7, can preferably prevent from boring during 11 drilling of inclined hole during installation
Head skids.Also there is positioning key 51 between bushing plate 7 and mandrel 5.
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 set to be close to indexable pedestal 4, in the top insertion opening pad 8 of oil distribution casing 1, last locking nut 9.
Fixture circumferentially need to bore 6 inclined holes 11 of Φ 6.7 to oil distribution casing 1 in the present embodiment, therefore, as it can be seen in figures 5 and 6, turning
The position lateral circle surface of pedestal 4 is circumferentially equipped with 6 rotational fixation holes 43, is to fixed positioned at 6 uniform holes of the indexable end face of pedestal 4
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, tooth of locking outer-hexagonal nut 9 one or so is slightly unscrewed, in the indexable side of pedestal 4
Hole position（That is rotational fixation hole 43）Detachable rotary handle 42 is inserted, and makees to pull 60 ° clockwise, when hearing clickly sound, is shown
The counterbore 35 of the end face of mandrel fixed plate 3（I.e. equipped with hole of the elasticity to pin, as shown in Figure 7 and Figure 8）In to nail rationed marketing 31 exist
First be pressurized under spring-force driven dual descending, after spring into again indexable pedestal 4 in reply pin hole 44, the workpiece of oil distribution casing 1 with
Indexable pedestal 4 is regained after positioning, locking outer-hexagonal nut 9, you can get out another holes of Φ 6.7 by drawing size requirement.Press
Above step slightly unscrews tooth of locking outer-hexagonal nut 9 one or so up to being drilled 6 inclined holes 11, finally, removes opening pad 8, i.e.,
Oil distribution casing 1 can be removed vertically, and repeatedly aforesaid operations complete the drilling of another oil distribution casing 1 afterwards., can pole using opening pad 8
It is big to improve production efficiency, only need loosening nut just replaceable next oil distribution casing 1.
As shown in Figure 7 and Figure 8, in order to preferably be positioned to oil distribution casing 1, the fixed plate 3 of mandrel 5 is along week in the present embodiment
To being all provided with respectively connecting an elasticity to pin in three counterbores 35, each counterbore 35.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, centre need not dismantle the part of oil distribution casing 1,
Effectively clamping error is evaded.
Dimensions above is merely to the convenience of explanation, the size drilled in a particular embodiment can appoint according to actual needs
Meaning adjustment, size is not as a limitation of the invention.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of boring grab, it is characterised in that including：Pedestal, mandrel, and it is placed on the mandrel on the outside of mandrel successively 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 can be stretched into partly indexable pedestal in rationed marketing hole to revolve
Turn base stand location, the indexable pedestal can drive workpiece to be rotated 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 includes to rationed marketing and bullet to rationed marketing
Property element, described have tapered plane from its end face to side face that extend to rationed marketing, indexable pedestal to rationed marketing hole lower end with it is described
Tapered plane is contacted.
4. a kind of boring grab according to claim any one of 1-3, it is characterised in that the indexable pedestal lateral circle surface is opened
Provided with some rotational fixation holes, rotary handle is detachably connected in the rotational fixation hole.
5. a kind of boring grab according to claim 4, it is characterised in that the latch assembly includes opening 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
One elasticity is to rationed marketing, and indexable pedestal is circumferentially all provided with least one to rationed marketing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720055025.0U CN206455427U (en) | 2017-01-18 | 2017-01-18 | A kind of boring grab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720055025.0U CN206455427U (en) | 2017-01-18 | 2017-01-18 | A kind of boring grab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206455427U true CN206455427U (en) | 2017-09-01 |
Family
ID=59698836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720055025.0U Expired - Fee Related CN206455427U (en) | 2017-01-18 | 2017-01-18 | A kind of boring grab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206455427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514361A (en) * | 2017-01-18 | 2017-03-22 | 苏州工业职业技术学院 | Drilling clamp |
| CN113199268A (en) * | 2021-05-14 | 2021-08-03 | 贵州詹阳动力重工有限公司 | Boring clamp of planet gear carrier of high-speed excavator and using method of boring clamp |
-
2017
- 2017-01-18 CN CN201720055025.0U patent/CN206455427U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514361A (en) * | 2017-01-18 | 2017-03-22 | 苏州工业职业技术学院 | Drilling clamp |
| CN113199268A (en) * | 2021-05-14 | 2021-08-03 | 贵州詹阳动力重工有限公司 | Boring clamp of planet gear carrier of high-speed excavator and using method of boring clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201295846Y (en) | Crank oil orifice positioning jig for drilling | |
| CN106514361B (en) | A kind of boring grab | |
| CN206455427U (en) | A kind of boring grab | |
| CN107186546B (en) | Round flange drilling indexing device and application thereof | |
| CN209349553U (en) | The indexing driller of ring gear tooth socket radial direction oil hole | |
| CN202479573U (en) | Spring drill chuck | |
| CN201524925U (en) | Pump body drilling and positioning device of automobile power steering pump | |
| CN108015308A (en) | A kind of drilling machine | |
| CN203817470U (en) | Inserting-in type drill chuck | |
| CN206527547U (en) | A kind of fixture for car semicircular workpieces | |
| CN215392646U (en) | Drilling clamp for flange plate of half-shaft sleeve | |
| CN203197322U (en) | Drilling tool | |
| CN102229001B (en) | Ultrasonic vibration sleeve reaming machining device applied to air drill | |
| CN205519806U (en) | Drilling special fixture of reduction case | |
| CN205763947U (en) | A kind of conical surface vertical pulling compact form interface of not rounded | |
| CN200991864Y (en) | Quick locking-positioning multi-purpose clip pliers | |
| CN207709914U (en) | A kind of drilling machine | |
| CN113618428A (en) | Clamp for drilling and tapping of shell workpiece | |
| CN207223481U (en) | Pump housing bias car mould | |
| CN207840223U (en) | For boring process unit of the small axle diameter to hole | |
| CN208084224U (en) | A kind of adjustable spanner | |
| CN207414840U (en) | Insulating base insert clamping device | |
| CN211028419U (en) | Gear clamp wide in clamping range | |
| CN213562134U (en) | Reamer production special fixture | |
| CN106564010B (en) | Relief grinding clamp for relief angle of screw tap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20180118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |