CN206263315U - A kind of composite drill bit - Google Patents
A kind of composite drill bit Download PDFInfo
- Publication number
- CN206263315U CN206263315U CN201621279649.2U CN201621279649U CN206263315U CN 206263315 U CN206263315 U CN 206263315U CN 201621279649 U CN201621279649 U CN 201621279649U CN 206263315 U CN206263315 U CN 206263315U
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- mounting seat
- drill bit
- drilling rod
- cutter
- composite drill
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Abstract
The utility model discloses a kind of composite drill bit, including drilling rod and the mounting seat being set on drilling rod, the positioning tip for wearing out the mounting seat is provided with the drilling rod, the mounting seat both sides are provided with mounting groove, bore cutter is provided with the mounting groove, the marginal position of the mounting seat is provided with locating slot, and hole boring cutter is provided with the locating slot.The utility model has advantages below and effect：Mounting seat is set on drilling rod, by the separation of mounting seat and drilling rod, realizes the replacing of positioning tip, and bore cutter and hole boring cutter are separately positioned in mounting groove and locating slot, independent replacing can be carried out, it is not necessary to change whole cutter, the consumption of parts is reduced, so as to reduce production cost.
Description
Technical field
The utility model is related to machining tool, more particularly to a kind of composite drill bit.
Background technology
Drill bit is to be used to the drilling on solid material to go out through hole or blind hole, and can be to the cutter of existing hole reaming.It is conventional
Drill bit mainly have fluted drill, chit drill, centre drill, depth drill and cylindrical drill.Though reamer and counterbit can not be on solid materials
Drilling, but they are also traditionally included into the class of drill bit one.
Drill bit is a kind of very universal machining tool in machinery manufacture field processed, is usually used in processing different specification size
Hole or plane, the hole of different accuracy requirement, while be also required to the instrument of many drillings, particularly some high-precision holes.
Notification number is CN105499664A, and the day for announcing is 20160420 Chinese patent《A kind of installation side of drill bit and bolt
Method》, there is provided a kind of drill bit, the annular protrusion position of the drill bit including drilling rod rear portion, annular element, waves oriented side boring machine
Structure, the brill dual-purpose blade head of boring；The annular protrusion position sets notch direction annular joint groove obliquely；The annular element
Ring arc ball and socket joint corresponding with annular joint groove is provided with, the annular element is enclosed within annular protrusion position by ring arc ball and socket joint
Outward, the annular element bottom carries shock absorbing drilling depth position limiting structure, the generally rod iron that the drilling rod and drillstock are constituted
Matched moulds hot forging pressure or heat stamping and shaping are carried out into clapper die spotting press.Present invention also offers a kind of installation method of bolt.The present invention is logical
Cross and disposable matched moulds shaping invention and spacing with joint that shaft core is spacing basic point is used to drilling rod, it is not only cheap, and
Also avoid boring bottom by expansion boring when cutting bottom outlet, the concrete around device to hole has a negative impact, it is ensured that the precision in hole is simultaneously carried
The life-span of drill bit high.
Rotary head in above-mentioned utility model is processed by boring the dual-purpose blade head of boring, and drilling and bore hole are in same step operation
In, so as to improve processing efficiency.When that can be worn and torn using the lower brill dual-purpose cutter head of boring for a long time, processing is not easy to, but
Bore the dual-purpose cutter head of boring to be connected with drilling rod by way of welding, be not easy to dismounting, so can only change whole cutter, can make
Into the waste of raw material, processing cost is increased.
Utility model content
The purpose of this utility model is to provide a kind of utilization rate composite drill bit high.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of composite drill bit, bag
Drilling rod and the mounting seat being set on drilling rod are included, the positioning tip for wearing out the mounting seat, institute are provided with the drilling rod
State mounting seat both sides and be provided with mounting groove, bore cutter is provided with the mounting groove, the marginal position of the mounting seat is provided with
Locating slot, hole boring cutter is provided with the locating slot.
It is set on drilling rod by using above-mentioned technical proposal, mounting seat, by the separation of mounting seat and drilling rod, it is fixed to realize
The replacing of position tip, and bore cutter and hole boring cutter are separately positioned in mounting groove and locating slot, can carry out independent replacing, no
Need to change it is whole cutter is reduced the consumption of parts, so as to reduce production cost.
The utility model is further arranged to：The bore cutter is connected with the connecting seat of curved line trangle shape, the installation
Groove is adapted to the connecting seat.
It is arranged in the mounting groove being adapted to it by using the connecting seat of above-mentioned technical proposal, curved line trangle shape, even
Contact area between joint chair and mounting seat is larger, and in the bore cutter course of work during stress, reduce that connecting seat is subject to presses
By force, connecting seat not cracky, improves the stability and durability degree of bore cutter.
The utility model is further arranged to：The countersunk head spiral shell being threaded in mounting seat is equipped with the connecting seat
Bolt.
By using above-mentioned technical proposal, dormant bolt is fed through connecting seat and is threaded in mounting seat, realizes to even
The fixation of joint chair, and can be hidden in bolt head in connecting seat during being fixed by dormant bolt, do not interfere with and cut
Cut process.
The utility model is further arranged to：The positioning tip, the bore cutter and the hole boring cutter protrude from institute
The height for stating mounting seat successively decreases successively.
By using above-mentioned technical proposal, during being cut, tip elder generation and absorption surface are positioned, realized to knife
The positioning of tool, is then contacting workpiece surface by bore cutter, realizes drilling, then carries out bore hole by hole boring cutter, this process according to
It is secondary to carry out, improve processing efficiency.And need not improve machining accuracy again to knife in process.
The utility model is further arranged to：The positioning tip outer wall is provided with locating piece, the mounting seat and sets
There is the fixing groove for limiting the locating piece.
By using above-mentioned technical proposal, the combination of locating piece and fixing groove is realized to the radially fixed of positioning tip,
During being processed, positioning tip can be rotated stably, the positioning action stablized.
The utility model is further arranged to：The spacing spiral shell for being fed through the drilling rod is threaded with the mounting seat
Bolt.
By using above-mentioned technical proposal, caging bolt is fed through drilling rod and is threaded in mounting seat, realizes boring
Fixation between bar and mounting seat, lifts the stability of process, and positioning tip can be limited by drilling rod
It is fixed, it is held in position the stabilization of tip.
The utility model is further arranged to：Cutting slot is provided with the positioning tip.
By using above-mentioned technical proposal, being provided for for cutting slot is broken produce positioning tip in process
Discharge is cut, consequently facilitating the processing of positioning tip.
The utility model is further arranged to：Appearance is provided with the mounting seat cut groove.
By using above-mentioned technical proposal, the chopping for being provided for accommodating the discharge from cutting slot that appearance cuts groove is cut and is bored
The broken of generation is cut in hole knife and hole boring cutter process, is easy to be processed workpiece, and can prevent broken cutting from being produced to workpiece
Raw abrasion, improves machining accuracy.
The utility model is further arranged to：The mounting seat is provided with to lead away from one end of the positioning tip cuts groove.
By using above-mentioned technical proposal, lead cut groove be provided for will hold cut in groove broken and cut discharge, and to discharging
Broken cutting guide, prevent it is broken cut influence processing.
In sum, the utility model has the advantages that：Positioning tip, bore cutter and hole boring cutter are independently
Install, when there is tool damage in process, it is only necessary to change the cutter of corresponding part, reduce loss, reduce
Production cost.
The height that positioning tip, bore cutter and hole boring cutter protrude from mounting seat successively decreases successively, when being processed, first by
Positioning tip is positioned with absorption surface, then is drilled by bore cutter, finally carrying out bore hole, the hole of processing once into
Shape, improves efficiency, it is not necessary to by repeatedly to knife, improving precision.
Cutting slot, appearance are cut groove and lead the combination for cutting groove, for the broken of generation to be cut into discharge, so as to not interfere with device to hole
Accurate processing.
Brief description of the drawings
Fig. 1 is overall structure figure of the present utility model；
Fig. 2 is exploded view of the present utility model.
In figure：1st, drilling rod；2nd, mounting seat；3rd, tip is positioned；4th, mounting groove；5th, bore cutter；6th, locating slot；7th, hole boring cutter；
8th, connecting seat；9th, dormant bolt；10th, locating piece；11st, fixing groove；12nd, caging bolt；13rd, cutting slot；14th, hold and cut groove；15th, lead
Cut groove.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, a kind of composite drill bit, is made up of drilling rod 1 and mounting seat 2, and mounting seat 2 is set in drilling rod 1
Outward, and in mounting seat 2 caging bolt 12 is threaded with, caging bolt 12 is fed through drilling rod 1, realizes drilling rod 1 and install
Position between seat 2 is fixed.
Caging bolt 12 is hexagon socket head cap screw, and when carrying out, its bolt head is entered into inside mounting seat 2, from without influence
Processing to workpiece.
Positioning tip 3 is provided with drilling rod 1, the head protrusion and mounting seat 2 of tip 3 is positioned.In the tail of positioning tip 3
The outer wall in portion is provided with locating piece 10, and is provided with fixing groove 11 in mounting seat 2, and locating piece 10 is arranged on fixing groove 11
It is interior, positioning tip 3 is defined, positioning tip 3 will not rotate.When tip 3 is positioned in fixing groove 11, its tail
Portion contradicts with drilling rod 1, is defined by axial direction of the 1 pair of positioning tip 3 of drilling rod in mounting seat 2.
Mounting groove 4 is additionally provided with mounting seat 2, mounting groove 4 is arranged on positioning tip 3 along the arranged radially of mounting seat 2
Both sides, bore cutter 5 is provided with mounting groove 4, and bore cutter 5 is connected on connecting seat 8, and connecting seat 8 is in curved line trangle shape, peace
Tankage 4 is adapted to it, and when bore cutter 5 is installed in mounting groove 4, both sides and the mounting seat 2 of bore cutter 5 are contradicted, and contact surface
Product is larger, so as to reduce the pressure of the side of bore cutter 5, cracky and does not shift.
Bore cutter 5 is spaced setting, and gap is provided between adjacent bore cutter 5, and the width in gap is less than bore cutter 5
Width, when the bore cutter 5 positioned at side turns over a circle with mounting seat 2, in bore cutter 5 and the previous side bore cutter of opposite side
The track that gap between 5 is passed by is identical, i.e., in processing, the bore cutter 5 of side machines away the part of workpiece, bore cutter 5
Gap portion cut, and cut off by the bore cutter 5 of opposite side in the rotation process of mounting seat 2.
The dormant bolt 9 that connecting seat 8 is threadedly attached in mounting seat 2 is fixed, and its bolt head is hidden in
In bore cutter 5, working angles are not interfered with.
The edge of mounting seat 2 is provided with locating slot 6, hole boring cutter 7 is arranged in locating slot 6, and is carried out by bolt
It is fixed.
After installation, positioning tip 3, bore cutter 5 and the protrusion of hole boring cutter 7 are highly incremented by successively with mounting seat 2,
When being processed, positioning tip 3 first contact workpiece, positioned by the cutting for positioning tip 3, then by bore cutter 5 with
Absorption surface is drilled, and finally carries out bore hole in the part that drilling is completed by hole boring cutter 7, and three steps are carried out successively, lifting
Processing efficiency.And only needed to knife once during processing, improve machining accuracy.
Be provided with cutting slot 13 on positioning tip 3, for tip 3 will to be positioned to work pieces process during produce broken cut
Discharge.Appearance is provided with mounting seat 2 and cuts groove 14, for cutting broken in cutting slot 13 and bore cutter 5 and hole boring cutter 7 are produced
Cutting discharge.It is additionally provided with to lead in one end of the remotely located tip 3 of mounting seat 2 and cuts groove 15, lead and cut the curved shape of groove 15, is used for
Guiding holds cut in groove 14 broken and cuts discharge.
This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (9)
1. a kind of composite drill bit, including drilling rod（1）And it is set in drilling rod（1）On mounting seat（2）, it is characterised in that：It is described
Drilling rod（1）On be provided with and wear out the mounting seat（2）Positioning tip（3）, the mounting seat（2）Both sides are provided with mounting groove
（4）, the mounting groove（4）Inside it is provided with bore cutter（5）, the mounting seat（2）Marginal position be provided with locating slot（6）, institute
State locating slot（6）Inside it is provided with hole boring cutter（7）.
2. a kind of composite drill bit according to claim 1, it is characterised in that：The bore cutter（5）It is connected with curl triangle
The connecting seat of shape（8）, the mounting groove（4）With the connecting seat（8）Adaptation.
3. a kind of composite drill bit according to claim 2, it is characterised in that：The connecting seat（8）On be equipped with screw thread company
It is connected on mounting seat（2）On dormant bolt（9）.
4. a kind of composite drill bit according to claim 1, it is characterised in that：The positioning tip（3）, the bore cutter
（5）And the hole boring cutter（7）Protrude from the mounting seat（2）Height successively decrease successively.
5. a kind of composite drill bit according to claim 1, it is characterised in that：The positioning tip（3）Outer wall is provided with fixed
Position block（10）, the mounting seat（2）Inside it is provided with for limiting the locating piece（10）Fixing groove（11）.
6. a kind of composite drill bit according to claim 1, it is characterised in that：The mounting seat（2）On be threaded with and wear
If crossing the drilling rod（1）Caging bolt（12）.
7. a kind of composite drill bit according to claim 1, it is characterised in that：The positioning tip（3）On be provided with cutting
Groove（13）.
8. a kind of composite drill bit according to claim 7, it is characterised in that：The mounting seat（2）On be provided with appearance and cut groove
（14）.
9. a kind of composite drill bit according to claim 8, it is characterised in that：The mounting seat（2）Away from the locating tip
Head（3）One end be provided with to lead and cut groove（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621279649.2U CN206263315U (en) | 2016-11-25 | 2016-11-25 | A kind of composite drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621279649.2U CN206263315U (en) | 2016-11-25 | 2016-11-25 | A kind of composite drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206263315U true CN206263315U (en) | 2017-06-20 |
Family
ID=59041852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621279649.2U Active CN206263315U (en) | 2016-11-25 | 2016-11-25 | A kind of composite drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206263315U (en) |
-
2016
- 2016-11-25 CN CN201621279649.2U patent/CN206263315U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |