CN203696061U - Combined drilling and countersinking tool - Google Patents
Combined drilling and countersinking tool Download PDFInfo
- Publication number
- CN203696061U CN203696061U CN201320864092.9U CN201320864092U CN203696061U CN 203696061 U CN203696061 U CN 203696061U CN 201320864092 U CN201320864092 U CN 201320864092U CN 203696061 U CN203696061 U CN 203696061U
- Authority
- CN
- China
- Prior art keywords
- countersink
- drill bit
- adapter sleeve
- elastic ferrule
- facing cutter
- 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
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- Drilling Tools (AREA)
Abstract
The utility model relates to a combined boring and countersinking tool, comprising a tool bar, an elastic cutting sleeve, a connecting sleeve, a countersink and a drill bit, wherein one end of the tool bar is provided with an inner hole, the toolbar is provided with an inner hole end in threaded connection with the connecting sleeve, the other end of the connecting sleeve is in threaded connection with the countersink, the drill bit is arranged in an inner hole passage formed by the tool bar, the connecting sleeve and the countersink, the elastic cutting sleeve is provided with an inner hole for allowing the drill bit to penetrate through, opening grooves which outward extend along the axial direction of the inner hole from a central position are formed in two opposite surfaces of the elastic cutting sleeve, the opening directions of the adjacent opening grooves are opposite, the elastic cutting sleeve is matched with the tool bar and the connecting sleeve through conical surfaces at the two ends respectively, the drill bit is fixed by the elastic cutting sleeve, the lower end of a handle of the countersink is provided with two chutes, blades are welded on the chutes, and parts of the blades of the countersink extend into chip grooves of the drill bit. The countersink and the drill bit are independent of each other, and can be coped or replaced respectively, so that the deburring working procedure is omitted, the use efficiency is improved, and the cost is reduced.
Description
Technical field
The utility model relates to a kind of machine tools, particularly a kind of Combined drill spot-facing cutter.
Background technology
On market, the brill spot-facing cutter of main flow is all to adopt all-in-one-piece structure now, a feed of cutter of this structure just can complete boring and spot facing, but there is such problem in the cutter of this monolithic construction, if there is a kind of tool damage, whole cutter also just can not use, the service efficiency of cutter is lower, and cost is higher.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of Combined drill spot-facing cutter, and drill bit and countersink can be used in combination, and repeatedly reconditioning, improves the service efficiency of cutter, reduces costs.
For achieving the above object, the utility model adopts following technical proposals:
A kind of Combined drill spot-facing cutter, comprise knife bar, adapter sleeve, countersink and drill bit, described knife bar one end is provided with endoporus, and is threaded with adapter sleeve, the adapter sleeve other end is threaded with countersink, and drill bit is installed in the interior hole path being made up of knife bar, adapter sleeve, countersink.
Also comprise elastic ferrule, described elastic ferrule is inner clip type expansion set, elastic ferrule is provided with the endoporus passing for drill bit, on relative two faces of elastic ferrule, be axially arranged with outward extending open slot from center along endoporus, and the opening direction of adjacent open slot is contrary, elastic ferrule can be shunk under the conical surface effect of two ends, elastic ferrule inwall is axially arranged with inside groove perpendicular to endoporus, can further increase elasticity, elastic ferrule material adopts spring steel, and heat-treat, the conical surface at elastic ferrule two ends is all made as 36 °, elastic ferrule is by the conical surface at two ends, one end is provided with interior nose end with knife bar and coordinates, the other end coordinates with adapter sleeve, elastic ferrule diameter of bore, the width of length and open slot can be got different values according to bit diameter.
Described adapter sleeve is provided with endoporus, and by the cone match of the adapter sleeve endoporus conical surface and elastic ferrule one end, adapter sleeve outer wall mills out two planes that are parallel to each other, and convenient card is put spanner, and adapter sleeve diameter of bore is determined according to drill bit specification.
Two skewed slots are outputed in described countersink handle of a knife lower end, and blade is fixedly welded on skewed slot, and countersink blade section stretches in the chip area of drill bit, so just can ensure that the workpiece after processing does not have burr; Countersink outer wall mills out two planes that are parallel to each other, and convenient card is put spanner, is convenient to dismounting.
Described knife bar endoporus is by the cone match of 36 ° of conical surfaces and elastic ferrule one end, for ensureing that knife bar can pack drilling machine smoothly into, knife bar upper end adopts No. 3 Morse's tapers, and outputs double spiral groove in lower end, play the guiding role, the diameter of bore of knife bar lower end and length are determined according to the specification of drill bit.
The beneficial effects of the utility model: countersink and drill bit are separate, can carry out respectively reconditioning or replacing, have reduced the operation of deburring simultaneously, thereby improve the service efficiency of cutter and reduced cost.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model lever structure schematic diagram;
Fig. 3 a is the utility model elastic ferrule front view;
Fig. 3 b is the utility model elastic ferrule left view;
Fig. 4 is the utility model connecting jacket structure schematic diagram;
Fig. 5 a is the utility model countersink structural front view;
Fig. 5 b is that the utility model countersink structure is to view.
Description of reference numerals:
1-knife bar; 2-elastic ferrule; 3-adapter sleeve; 4-countersink; 5-drill bit; 6-double spiral groove; 7-inside groove; 8-open slot; 9-handle of a knife; 10-blade.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
A kind of Combined drill spot-facing cutter, comprises knife bar 1, elastic ferrule 2, adapter sleeve 3, countersink 4 and drill bit 5, and described knife bar 1 one end is provided with endoporus, and knife bar 1 is provided with interior nose end and adapter sleeve 3 employings are threaded, and adapter sleeve 3 other ends are threaded with countersink 4; Described drill bit 5 is placed in the interior hole path being made up of knife bar 1, adapter sleeve 3, countersink 4.
A kind of Combined drill spot-facing cutter, also comprise elastic ferrule 2, elastic ferrule 2 is provided with the endoporus passing for drill bit 5, on relative two faces of elastic ferrule, be axially arranged with outward extending open slot 8 from center along endoporus, and the opening direction of adjacent open slot 8 is contrary, the inwall of elastic ferrule 2 is axially arranged with inside groove 7 perpendicular to endoporus, the conical surface at elastic ferrule 2 two ends is all made as 36 °, elastic ferrule 2 is by the conical surface at two ends, one end is provided with interior nose end with knife bar 1 and coordinates, and the other end coordinates with adapter sleeve 3; Described adapter sleeve 3 is provided with endoporus, adapter sleeve 3 is made as 36 ° with the conical surface of elastic ferrule 2 abutting ends, and two skewed slots are outputed in handle of a knife 9 lower ends of described countersink 4, and the angle between skewed slot is 60 °, blade 10 is fixedly welded on skewed slot, and blade 10 parts stretch in the chip area of drill bit.
Knife bar 1 upper end adopts No. 3 Morse's tapers, is convenient to pack into drilling machine, and outputs double spiral groove 6 in lower end, play the guiding role; The outer wall of adapter sleeve 3 and countersink 4 mills out two planes that are parallel to each other, and puts spanner for card, is convenient to dismounting.
Operation principle: a kind of Combined drill spot-facing cutter, knife bar 1 is provided with screw thread, is threaded with adapter sleeve 3, and adapter sleeve 3 other ends are threaded with countersink 4, drill bit 5 is placed in the interior hole path being made up of knife bar 1, adapter sleeve 3, countersink 4, makes countersink 4 and drill bit 5 be convenient to split and assembling; Knife bar 1 upper end adopts No. 3 Morse's tapers, ensures that knife bar 1 can pack drilling machine smoothly into; Double spiral groove 6 is outputed in lower end, play the guiding role.Diameter of bore and the length of knife bar 1 one end are determined according to the specification of drill bit 5, elastic ferrule 2 is inner clip type expansion set, on relative two faces of elastic ferrule, be axially arranged with outward extending open slot from center along endoporus, and the opening direction of adjacent open slot contrary 8, elastic ferrule 2 can be shunk under the conical surface effect of two ends, elastic ferrule 2 inwalls are provided with inside groove 7 can further increase elasticity, described adapter sleeve 3 is provided with endoporus, coordinate with elastic ferrule 2 by the adapter sleeve 3 endoporus conical surfaces, adapter sleeve 3 and knife bar 1 are tightened, under the effect of the two ends conical surface, elastic ferrule 2 will shrink, clamp drill bit 5, thereby reach the effect of fixed drill bit 5.The width of diameter of bore, length and the open slot of elastic ferrule 2 can be got different values according to the diameter of drill bit 5, described countersink 4 is threaded with adapter sleeve 3, two skewed slots are outputed in handle of a knife 9 lower ends, blade 10 is fixedly welded on skewed slot, blade 10 parts stretch in the chip area of drill bit, so just can ensure that the workpiece after processing does not have burr.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendments that creative work can make or distortion still in protection domain of the present utility model.
Claims (9)
1. a Combined drill spot-facing cutter, is characterized in that, comprises knife bar, adapter sleeve, countersink and drill bit, described knife bar one end is provided with endoporus, and be threaded with adapter sleeve, the adapter sleeve other end is threaded with countersink, and drill bit is installed in the interior hole path being made up of knife bar, adapter sleeve, countersink; Also comprise elastic ferrule, described elastic ferrule is provided with the endoporus passing for drill bit, be axially arranged with outward extending open slot, and the opening direction of adjacent open slot is contrary on relative two faces of elastic ferrule from center along endoporus; Elastic ferrule inwall is axially provided with inside groove perpendicular to endoporus, and elastic ferrule coordinates with knife bar and adapter sleeve respectively by the conical surface at two ends.
2. a kind of Combined drill spot-facing cutter as claimed in claim 1, is characterized in that, the conical surface at described elastic ferrule two ends is 36 °.
3. a kind of Combined drill spot-facing cutter as claimed in claim 1 or 2, is characterized in that, described knife bar endoporus coordinates with elastic ferrule by 36 ° of conical surfaces.
4. a kind of Combined drill spot-facing cutter as claimed in claim 1, is characterized in that, described adapter sleeve outer wall has two planes that are parallel to each other.
5. a kind of Combined drill spot-facing cutter as claimed in claim 1, is characterized in that, two skewed slots are outputed in described countersink handle of a knife lower end, and blade is fixedly welded on skewed slot.
6. a kind of Combined drill spot-facing cutter as claimed in claim 5, is characterized in that, the angle between two skewed slots that described countersink handle of a knife lower end is outputed is 60 °.
7. a kind of Combined drill spot-facing cutter as described in claim 5 or 6, is characterized in that, described countersink blade section stretches in the chip area of drill bit.
8. a kind of Combined drill spot-facing cutter as claimed in claim 1, is characterized in that, described countersink outer wall has two planes that are parallel to each other.
9. a kind of Combined drill spot-facing cutter as claimed in claim 1, is characterized in that, knife bar upper end adopts No. 3 Morse's tapers, and double spiral groove is outputed in lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864092.9U CN203696061U (en) | 2013-12-25 | 2013-12-25 | Combined drilling and countersinking tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864092.9U CN203696061U (en) | 2013-12-25 | 2013-12-25 | Combined drilling and countersinking tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203696061U true CN203696061U (en) | 2014-07-09 |
Family
ID=51046560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320864092.9U Expired - Fee Related CN203696061U (en) | 2013-12-25 | 2013-12-25 | Combined drilling and countersinking tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203696061U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827103A (en) * | 2015-05-04 | 2015-08-12 | 吴江市宏宇机械有限公司 | Composite drill for C-shaped central hole |
| CN104923837A (en) * | 2015-05-04 | 2015-09-23 | 吴江市宏宇机械有限公司 | Machine-clamped center drill |
| CN111922435A (en) * | 2020-07-30 | 2020-11-13 | 广东长盈精密技术有限公司 | Machining tool, chamfering tool mechanism thereof and assembling method |
-
2013
- 2013-12-25 CN CN201320864092.9U patent/CN203696061U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827103A (en) * | 2015-05-04 | 2015-08-12 | 吴江市宏宇机械有限公司 | Composite drill for C-shaped central hole |
| CN104923837A (en) * | 2015-05-04 | 2015-09-23 | 吴江市宏宇机械有限公司 | Machine-clamped center drill |
| CN111922435A (en) * | 2020-07-30 | 2020-11-13 | 广东长盈精密技术有限公司 | Machining tool, chamfering tool mechanism thereof and assembling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20141225 |
|
| EXPY | Termination of patent right or utility model |