CN209394040U - A kind of hard alloy composite drill head - Google Patents
A kind of hard alloy composite drill head Download PDFInfo
- Publication number
- CN209394040U CN209394040U CN201822116619.5U CN201822116619U CN209394040U CN 209394040 U CN209394040 U CN 209394040U CN 201822116619 U CN201822116619 U CN 201822116619U CN 209394040 U CN209394040 U CN 209394040U
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- CN
- China
- Prior art keywords
- sliding
- wall
- bar
- fixedly connected
- drill body
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Abstract
The utility model discloses a kind of hard alloy composite drill heads, including steel drill body, one end of steel drill body is fixedly connected with alloy crown by fixed device, fixed device includes the mounting groove for being provided with steel drill body left end, the cell wall of mounting groove opposite side offers sliding groove, thread barrel is rotatably connected to by bearing in sliding groove, support plate there are two being fixedly connected between the cell wall of mounting groove opposite side, the side wall of two support plate opposite sides offers through-hole, and threaded rod is slidably connected in through-hole, alloy crown is fixedly connected with fixed block close to one end of steel drill body, the side wall of the opposite side of fixed block offers card slot corresponding with threaded rod, threaded rod is threadedly coupled with thread barrel.The utility model only needs to change alloy crown, no replacement is required steel drill body, has saved production cost, effectively bull stick can be fixed, and avoiding bull stick from making rotation by oneself causes fixed device to loosen.
Description
Technical field
The utility model relates to bit technique field more particularly to a kind of hard alloy composite drill heads.
Background technique
Drill bit is the tool for drilling, and hard alloy composite drill head is the shock loading generated by bit pressure and itself rotation
Broken drilling, carbide drill is commonly used in the fields such as core drilling, is that one kind can adapt to Various Complex material, cutting speed
The drill bit that degree is high, drainage performance is good.
The alloy crown and steel drill body of existing hard alloy composite drill head are mostly fixedly welded, when alloy crown
When needing replacing drill body after crumbling, need that alloy crown and steel drill body are caused the waste of steel drill body, caused together with changing
The wasting of resources increases production cost.
Utility model content
After drill bit crumbles in the prior art, steel drill body needs to replace together,
The problem of resulting in waste of resources, and a kind of hard alloy composite drill head proposed.
To achieve the goals above, the utility model adopts the technical scheme that
One end of a kind of hard alloy composite drill head, including steel drill body, the steel drill body is fixed by fixed device
It is connected with alloy crown, the fixed device includes the mounting groove for being provided with steel drill body left end, the mounting groove opposite side
Cell wall offer sliding groove, thread barrel, the mounting groove opposite side are rotatably connected to by bearing in the sliding groove
Cell wall between be fixedly connected there are two support plate, the side wall of two support plate opposite sides offers through-hole, and logical
Threaded rod is slidably connected in hole, the alloy crown is fixedly connected with fixed block, the fixation close to one end of steel drill body
The side wall of the opposite side of block offers card slot corresponding with threaded rod, and the threaded rod is threadedly coupled with thread barrel, described
The outer wall fixing sleeve of thread barrel is equipped with driven wheel of differential, and the cell wall on the downside of the mounting groove offers rotation hole, the rotation hole
Interior to be connected with bull stick by ball bearing rotational, the cell wall of the bull stick one end and mounting groove far from rotation hole passes through rotation axis
Hold rotation connection, the symmetrical fixing sleeve of bar wall of the bull stick is set there are two drive bevel gear, the drive bevel gear with from mantle
Gear is meshed.
Preferably, the lower end of the bull stick is fixedly connected with turntable, and the side wall on the downside of the turntable offers sliding eye, institute
It states and slidably connects sliding bar in sliding eye, the side wall of the steel drill body offers multiple slots corresponding with sliding bar,
The bar wall fixing sleeve of the sliding bar is equipped with baffle, and same root reset spring, institute are fixedly connected between the baffle and turntable
State the bar wall that reset spring is movably set in sliding bar.
Preferably, the hole wall of the through-hole is symmetrically fixedly connected there are two sliding block, the bar wall of the threaded rod offer with
The sliding slot that sliding block matches.
Preferably, the hole wall of the sliding eye is symmetrically fixedly connected there are two position limiting slide block, and the bar wall of the sliding bar is opened
Equipped with the limit sliding chutes to match with position limiting slide block.
Preferably, the sliding bar is fixedly connected with rotating plate far from one end of slot.
Preferably, the specific material of the bull stick is stainless steel.
Compared with prior art, the utility model provides a kind of hard alloy composite drill head, have it is following the utility model has the advantages that
1, the hard alloy composite drill head passes through the steel drill body of setting, alloy crown, mounting groove, sliding groove, screw thread
Cylinder, support plate, threaded rod, fixed block, card slot, driven wheel of differential, rotation hole, bull stick and drive bevel gear, in use, rotation turns
Bar, bull stick drive the rotation of two drive bevel gears, and two drive bevel gears drive two driven wheel of differential rotations, and two from mantle
Gear drives two thread barrel rotations, by being threadedly engaged between thread barrel and threaded rod, threaded rod is made to exit card slot, released
Limitation of the threaded rod to alloy crown, completes the disassembly of alloy crown, and the present apparatus only needs to change alloy when alloy crown damages
Crown, no replacement is required steel drill body have saved production cost.
2, the hard alloy composite drill head by the turntable of setting, sliding eye, sliding bar, slot, baffle and resets bullet
Spring makes sliding bar exit slot in use, pulling sliding bar, releases limitation of the sliding bar to turntable, and rotation turntable can drive
Bar rotation after the completion of use, makes sliding bar alignment, unclamps sliding bar, under the action of reset spring, sliding bar insertion
Slot completes the fixation to turntable, and the present apparatus can effectively be fixed bull stick, and avoiding bull stick from making rotation by oneself causes to fix
Device loosens.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model
Alloy crown is only needed to change, no replacement is required steel drill body has saved production cost, can effectively be fixed, keep away to bull stick
Exempt from bull stick and make rotation by oneself fixed device is caused to loosen.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of hard alloy composite drill head structural schematic diagram；
Fig. 2 is the structural schematic diagram of part A in Fig. 1；
Fig. 3 is the structural schematic diagram of part B in Fig. 1.
In figure: 1 steel drill body, 2 alloy crowns, 3 mounting grooves, 4 sliding grooves, 5 thread barrels, 6 support plates, 7 threaded rods, 8 are consolidated
Determine block, 9 card slots, 10 driven wheel of differential, 11 rotation holes, 12 bull sticks, 13 drive bevel gears, 14 turntables, 15 sliding eyes, 16 slidings
Bar, 17 slots, 18 baffles, 19 reset springs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-3, a kind of hard alloy composite drill head, including steel drill body 1, one end of steel drill body 1 pass through fixation
Device is fixedly connected with alloy crown 2, and fixed device includes the mounting groove 3 for being provided with 1 left end of steel drill body, and mounting groove 3 is opposite
The cell wall of side offers sliding groove 4, and sliding groove 4 is interior to be rotatably connected to thread barrel 5,3 opposite side of mounting groove by bearing
Cell wall between be fixedly connected there are two support plate 6, the side wall of two 6 opposite sides of support plate offers through-hole, and through-hole
Threaded rod 7 is inside slidably connected, alloy crown 2 is fixedly connected with fixed block 8 close to one end of steel drill body 1, and fixed block 8 is opposite
The side wall of side offers card slot 9 corresponding with threaded rod 7, and threaded rod 7 is threadedly coupled with thread barrel 5, outside thread barrel 5
Wall fixing sleeve is equipped with driven wheel of differential 10, and the cell wall of 3 downside of mounting groove offers rotation hole 11, passes through ball axis in rotation hole 11
It holds and is rotatably connected to bull stick 12, the cell wall of the one end of bull stick 12 far from rotation hole 11 and mounting groove 3 is rotated by rolling bearing to be connected
It connects, the symmetrical fixing sleeve of bar wall of bull stick 12 is set there are two drive bevel gear 13, and drive bevel gear 13 is nibbled with 10 phase of driven wheel of differential
It closes.
The lower end of bull stick 12 is fixedly connected with turntable 14, and the side wall of 14 downside of turntable offers sliding eye 15, sliding eye 15
Sliding bar 16 is inside slidably connected, the side wall of steel drill body 1 offers multiple slots 17 corresponding with sliding bar 16, sliding bar
16 bar wall fixing sleeve is equipped with baffle 18, and same root reset spring 19 is fixedly connected between baffle 18 and turntable 14, resets bullet
Spring 19 is movably set in the bar wall of sliding bar 16.
The hole wall of through-hole is symmetrically fixedly connected there are two sliding block, and the bar wall of threaded rod 7 offers the cunning to match with sliding block
Slot is cooperated by sliding block and sliding slot, is limited to threaded rod 7, prevents threaded rod 7 from rotating.
The hole wall of sliding eye 15 is symmetrically fixedly connected there are two position limiting slide block, and the bar wall of sliding bar 16 is offered to be slided with limit
The limit sliding chutes that block matches are cooperated by position limiting slide block and limit sliding chutes, are limited to sliding bar 16, convenient for sliding
Bar 16 is inserted into slot 17.
Sliding bar 16 is fixedly connected with rotating plate, sliding bar 16 easy to remove far from one end of slot 17.
The specific material of bull stick 12 is stainless steel, improves the service life of bull stick 12.
In the utility model, in use, rotation bull stick 12, bull stick 12 drive two drive bevel gears 13 to rotate, two masters
Dynamic bevel gear 13 drives two driven wheel of differential 10 to rotate, and two driven wheel of differential 10 drive two thread barrels 5 to rotate, and passes through spiral shell
Being threadedly engaged between line cylinder 5 and threaded rod 7 makes threaded rod 7 exit card slot 9, releases limitation of the threaded rod 7 to alloy crown 2,
The disassembly of alloy crown 2 is completed, the present apparatus only needs to change alloy crown 2 when alloy crown 2 damages, and no replacement is required, and steel bores
Body 1, has saved production cost, in use, pulling sliding bar 16, sliding bar 16 is made to exit slot 17, releases sliding bar 16 to turning
The limitation of disk 14, rotation turntable 14 can drive bull stick 12 to rotate, after the completion of use, make 16 alignment 17 of sliding bar, unclamp
Sliding bar 16, under the action of reset spring 19, sliding bar 16 is inserted into slot 17, completes the fixation to turntable 14, present apparatus energy
Enough that effectively bull stick 12 is fixed, avoiding bull stick 12 from making rotation by oneself causes fixed device to loosen.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of hard alloy composite drill head, including steel drill body (1), which is characterized in that one end of the steel drill body (1) is logical
It crosses fixed device to be fixedly connected with alloy crown (2), the fixed device includes the mounting groove for being provided with steel drill body (1) left end
(3), the cell wall of mounting groove (3) opposite side offers sliding groove (4), is rotated in the sliding groove (4) by bearing
It is connected with thread barrel (5), is fixedly connected between the cell wall of mounting groove (3) opposite side there are two support plate (6), two institutes
The side wall for stating support plate (6) opposite side offers through-hole, and threaded rod (7), the carbide button are slidably connected in through-hole
Hat (2) is fixedly connected with fixed block (8) close to the one end of steel drill body (1), and the side wall of the opposite side of the fixed block (8) is opened
Equipped with card slot (9) corresponding with threaded rod (7), the threaded rod (7) is threadedly coupled with thread barrel (5), the thread barrel (5)
Outer wall fixing sleeve be equipped with driven wheel of differential (10), the cell wall on the downside of the mounting groove (3) offers rotation hole (11), described turn
It is connected with bull stick (12) in dynamic hole (11) by ball bearing rotational, the bull stick (12) one end and peace far from rotation hole (11)
The cell wall of tankage (3) is rotatablely connected by rolling bearing, and the symmetrical fixing sleeve of bar wall of the bull stick (12) is set there are two initiative taper
Gear (13), the drive bevel gear (13) are meshed with driven wheel of differential (10).
2. a kind of hard alloy composite drill head according to claim 1, which is characterized in that the lower end of the bull stick (12) is solid
Surely it is connected with turntable (14), the side wall on the downside of the turntable (14) offers sliding eye (15), sliding in the sliding eye (15)
It being connected with sliding bar (16), the side wall of the steel drill body (1) offers multiple slots (17) corresponding with sliding bar (16),
The bar wall fixing sleeve of the sliding bar (16) is equipped with baffle (18), is fixedly connected between the baffle (18) and turntable (14) same
A piece reset spring (19), the reset spring (19) are movably set in the bar wall of sliding bar (16).
3. a kind of hard alloy composite drill head according to claim 1, which is characterized in that the hole wall of the through-hole is symmetrically solid
There are two sliding block, the bar wall of the threaded rod (7) offers the sliding slot to match with sliding block for fixed connection.
4. a kind of hard alloy composite drill head according to claim 2, which is characterized in that the hole wall of the sliding eye (15)
It is symmetrically fixedly connected there are two position limiting slide block, it is sliding that the bar wall of the sliding bar (16) offers the limit to match with position limiting slide block
Slot.
5. a kind of hard alloy composite drill head according to claim 2, which is characterized in that the sliding bar (16) is far from slotting
One end of slot (17) is fixedly connected with rotating plate.
6. a kind of hard alloy composite drill head according to claim 1, which is characterized in that the specific material of the bull stick (12)
Matter is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822116619.5U CN209394040U (en) | 2018-12-17 | 2018-12-17 | A kind of hard alloy composite drill head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822116619.5U CN209394040U (en) | 2018-12-17 | 2018-12-17 | A kind of hard alloy composite drill head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209394040U true CN209394040U (en) | 2019-09-17 |
Family
ID=67894924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822116619.5U Expired - Fee Related CN209394040U (en) | 2018-12-17 | 2018-12-17 | A kind of hard alloy composite drill head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209394040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361020A (en) * | 2020-03-25 | 2020-07-03 | 大连理工大学 | Split drilling tool connecting structure for high-speed machining |
| CN112139565A (en) * | 2020-09-03 | 2020-12-29 | 祁东县锋速钻探工具有限公司 | High-strength diamond drill bit and manufacturing method |
-
2018
- 2018-12-17 CN CN201822116619.5U patent/CN209394040U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361020A (en) * | 2020-03-25 | 2020-07-03 | 大连理工大学 | Split drilling tool connecting structure for high-speed machining |
| CN111361020B (en) * | 2020-03-25 | 2021-01-05 | 大连理工大学 | Split drilling tool connecting structure for high-speed machining |
| CN112139565A (en) * | 2020-09-03 | 2020-12-29 | 祁东县锋速钻探工具有限公司 | High-strength diamond drill bit and manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190917 Termination date: 20201217 |