CN105665767A - Self-alignment type clamping device for drilling - Google Patents
Self-alignment type clamping device for drilling Download PDFInfo
- Publication number
- CN105665767A CN105665767A CN201410659901.1A CN201410659901A CN105665767A CN 105665767 A CN105665767 A CN 105665767A CN 201410659901 A CN201410659901 A CN 201410659901A CN 105665767 A CN105665767 A CN 105665767A
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- China
- Prior art keywords
- clamping device
- self
- screw rod
- drill
- bushing
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- Drilling And Boring (AREA)
Abstract
The invention discloses a self-aligning type clamping device for drilling. The clamping device comprises a bottom plate, a plurality of drill bushings, a disc-shaped expansion bushing and a drill plate with the lower end face provided with a boss. The drill plate is arranged on the upper side of the bottom plate, the drill bushings are fixedly arranged on the drill plate, a screw rod is arranged in the middle of the drill plate, and a driving nut is arranged at the upper end of the screw rod. The lower end of the screw rod is sleeved with the disc-shaped expansion bushing, a taper angle matched with the boss is formed inside the disc-shaped expansion bushing, and at least two expansion grooves are evenly formed in the upper side of the disc-shaped expansion bushing in the circumferential direction of the disc-shaped expansion bushing. The self-aligning type clamping device for drilling has the following characteristics that self-alignment is achieved, drilling position precision is high, expansion force is large, and deviation is avoided in the machining process; the clamping device is reasonable in design, simple in structure, convenient to operate, small in size, low in weight, convenient to disassemble and assemble, long in service life and convenient to use and popularize.
Description
Technical field
The invention belongs to Machining Technology field, relate to a kind of Simple clamp, be specifically related to a kind of self-centering type clamping device for Drilling operation.
Background technology
The plate-like such as flange, end cap or annular work piece are common parts in machining industry, traditional method processing this type of boring is to have to pass through crossed process before boring, centre bore is all had due to annular work piece, bad alignment point, therefore line work is considerably complicated, greatly add labor intensity, reduce production efficiency and machining accuracy can not be effectively ensured.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency of the prior art, it is provided that a kind of boring clamping device of self-centering type, it can self-centering, bore position precision is high, swelling great efforts, and the course of processing does not produce skew, reasonable in design, simple in construction, easy to operate, compact, lightweight, easy accessibility, long service life, it is simple to promote the use of.
For achieving the above object, the technical solution used in the present invention is: a kind of boring clamping device of self-centering type, including the chassis playing fixed supporting role and multiple drill bushing for guiding drill bit to process boring on annular workpieces to be processed, it is characterised in that: the dish type expansion set also including outwards holding out against annular workpieces to be processed from inside and lower surface are provided with the bushing plate of boss; Described bushing plate it is provided with on the upside of described chassis, described bushing plate is fixedly installed multiple described drill bushing, it is provided with screw rod in the middle part of described bushing plate, described screw rod upper end is provided with driving nut, described screw rod lower end is set with described dish type expansion set, described dish type expansion set is internally provided with the taper angle matched with described boss, is evenly arranged with at least two expansion slot along its circumferencial direction on the upside of described dish type expansion set.
The boring clamping device of above-mentioned self-centering type, it is characterised in that: the span of described dish type expansion set hole taper α is 10 °-30 °.
The boring clamping device of above-mentioned self-centering type, it is characterised in that: described plateau sidewall is provided with transition arc.
The present invention compared with prior art has the advantage that
(1) the boring clamping device of this self-centering type when clamping annular workpieces can self-centering, bore position precision is high.
(2) the boring clamping device of this self-centering type adopts dish type expansion set to extend out swelling annular workpieces to be processed, thus its swelling great efforts, the course of processing does not produce skew.
(3) the boring clamping device of this self-centering type is reasonable in design, simple in construction, and annular workpieces only need to be arranged on the relevant position of this fixture by operator, tightens the clamp operation driving nut can realize annular workpieces, uses very easy.
(4) the boring clamping device compact of this self-centering type, lightweight, easy accessibility, it is simple to carrying and maintenance.
(5) the boring clamping device of this self-centering type is in use absent from rigid shock, thus its long service life, it is simple to promote the use of.
Below by drawings and Examples, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the front view of dish type expansion set of the present invention.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the structural representation of bushing plate of the present invention.
Description of reference numerals:
1 chassis; 2 drill bushings; 3 dish type expansion sets;
3-1 expansion slot; 4 bushing plates; 4-1 boss;
5 screw rods; 6 drive nut; 7 annular workpieces.
Detailed description of the invention
The boring clamping device of a kind of self-centering type as Figure 1-Figure 4, including the chassis 1 playing fixed supporting role and multiple drill bushing 2 for guiding drill bit to process boring on annular workpieces 7 to be processed, the dish type expansion set 3 also including outwards holding out against annular workpieces 7 to be processed from inside and lower surface are provided with the bushing plate 4 of boss 4-1; Described bushing plate 4 it is provided with on the upside of described chassis 1, described bushing plate 4 is fixedly installed multiple described drill bushing 2, it is provided with screw rod 5 in the middle part of described bushing plate 4, described screw rod 5 upper end is provided with driving nut 6, described screw rod 5 lower end is set with described dish type expansion set 3, described dish type expansion set 3 is internally provided with and the described boss 4-1 taper angle matched, and is evenly arranged with at least two expansion slot 3-1 along its circumferencial direction, it is preferable that four on the upside of described dish type expansion set 3.
In the present embodiment, the span of described dish type expansion set 3 hole taper α is 10 °-30 °, it is preferable that 20 °.
In the present embodiment, described boss 4-1 sidewall is provided with transition arc, and transition arc can facilitate dish type expansion set 3 opening to slip into.
The work process of the boring clamping device of self-centering type of the present invention is: first boring for this self-centering type clamping device is fixed on operating position, spanner is used to turn driving nut 6 clockwise, screw rod 5 can drive dish type expansion set 3 to move upward, the endoporus conical surface of dish type expansion set 3 and the interaction of boss 4-1, dish type expansion set 3 can expand outwardly equably, thus the endoporus of swelling annular workpieces 7 to be processed. Annular workpieces 7 to be processed, after swelling, is started drilling machine, and drill bit is passed through the drill bushing 2 on bushing plate 4 can carry out Drilling operation.
The above; it it is only presently preferred embodiments of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation above example made according to the technology of the present invention essence, all still fall within the protection domain of technical solution of the present invention.
Claims (3)
1. the boring clamping device of self-centering type, including the chassis (1) playing fixed supporting role and multiple for guiding drill bit at the drill bushing (2) of the upper processing boring of annular workpieces to be processed (7), it is characterised in that: the dish type expansion set (3) also including outwards holding out against annular workpieces to be processed (7) from inside and lower surface are provided with the bushing plate (4) of boss (4-1);Upside, described chassis (1) is provided with described bushing plate (4), described bushing plate (4) is fixedly installed multiple described drill bushing (2), described bushing plate (4) middle part is provided with screw rod (5), described screw rod (5) upper end is provided with driving nut (6), described screw rod (5) lower end is set with described dish type expansion set (3), described dish type expansion set (3) is internally provided with the taper angle matched with described boss (4-1), described dish type expansion set (3) upside is evenly arranged with at least two expansion slot (3-1) along its circumferencial direction.
2. the boring clamping device of self-centering type described in claim 1, it is characterised in that: the span of described dish type expansion set (3) hole taper α is 10 °-30 °.
3. the boring clamping device of self-centering type described in claim 1, it is characterised in that: described boss (4-1) sidewall is provided with transition arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410659901.1A CN105665767A (en) | 2014-11-18 | 2014-11-18 | Self-alignment type clamping device for drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410659901.1A CN105665767A (en) | 2014-11-18 | 2014-11-18 | Self-alignment type clamping device for drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105665767A true CN105665767A (en) | 2016-06-15 |
Family
ID=56945524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410659901.1A Pending CN105665767A (en) | 2014-11-18 | 2014-11-18 | Self-alignment type clamping device for drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105665767A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424850A (en) * | 2016-12-09 | 2017-02-22 | 无锡银联齿轮传动机械有限公司 | Self-centering internally-tensioning drilling device |
| CN107662114A (en) * | 2017-10-13 | 2018-02-06 | 上海龙澄专用车辆有限公司 | A kind of circumferential openings positioning umbrella shape frock and its application method |
| CN113210676A (en) * | 2021-04-26 | 2021-08-06 | 铁岭铁光仪器仪表有限责任公司 | Drill jig tool for window screw hole of water level gauge body |
-
2014
- 2014-11-18 CN CN201410659901.1A patent/CN105665767A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424850A (en) * | 2016-12-09 | 2017-02-22 | 无锡银联齿轮传动机械有限公司 | Self-centering internally-tensioning drilling device |
| CN107662114A (en) * | 2017-10-13 | 2018-02-06 | 上海龙澄专用车辆有限公司 | A kind of circumferential openings positioning umbrella shape frock and its application method |
| CN107662114B (en) * | 2017-10-13 | 2024-06-07 | 上海龙澄专用车辆有限公司 | Circumferential hole positioning umbrella-shaped tool and application method thereof |
| CN113210676A (en) * | 2021-04-26 | 2021-08-06 | 铁岭铁光仪器仪表有限责任公司 | Drill jig tool for window screw hole of water level gauge body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160615 |
|
| WD01 | Invention patent application deemed withdrawn after publication |