CN208879761U - A kind of deep hole machining drill bit protective device - Google Patents
A kind of deep hole machining drill bit protective device Download PDFInfo
- Publication number
- CN208879761U CN208879761U CN201821579492.4U CN201821579492U CN208879761U CN 208879761 U CN208879761 U CN 208879761U CN 201821579492 U CN201821579492 U CN 201821579492U CN 208879761 U CN208879761 U CN 208879761U
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- CN
- China
- Prior art keywords
- drill bit
- drillstock
- drilling rod
- water channel
- deep hole
- 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.)
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- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of deep hole machining drill bit protective devices, including drillstock, drilling rod, drill bit and fixing seat, cavity is offered inside the drillstock, the first axle sleeve is equipped with by bolt at the top of drillstock, drillstock top side is connected with inlet tube, drillstock bottom dome is equipped with the second axle sleeve, drillstock bottom outside offers inclined-plane, drillstock bottom side is connected with fluid hole, drillstock is rotatablely connected by the first axle sleeve and the second axle sleeve and drilling rod, water channel is offered at the drilling rod medial axis, drilling-rod external wall offers the water hole being connected with water channel, drilling rod is connect with drill bit thread, the conical surface is offered at the top of drill bit, the bottom outside of drill bit offers chip space, pillar of the water channel at the top of drill bit is connected with the low side of drill bit.The utility model is by the way that pillar of the water channel at the top of drill bit to be connected with the low side of drill bit, and coolant liquid can be discharged from drill bit bottom in drill bit processing, prevents drill bit from overheating and damaging.
Description
Technical field
The utility model relates to technical field of mechanical processing, specially a kind of deep hole machining drill bit protective device.
Background technique
So-called deep hole machining, be exactly hole length and hole diameter than be greater than 5 hole, the general deep hole majority feelings of deep hole machining
Aspect ratio L/d >=100 under condition, such as oil har opening, the axial oilhole of axis, hollow spindle hole and hydraulic valve opening etc. in this some holes, have
Requirement machining accuracy and surface quality it is higher, and the machinability for the machined material having is poor, is easily damaged drill bit,
And bit operation end poor radiation and iron filings are difficult to be discharged in deep hole machining, usually become a great problem in production.
In the prior art to depositing following problems in drill bit deep hole machining:
1, drill bit radiating condition is poor in deep hole machining, and cutting temperature increases, and reduces the durability of drill bit.
2, drill bit chip removal is unsmooth in deep hole machining, and iron filings blocking drilling will also damage drill bit.
Utility model content
The purpose of this utility model is to provide a kind of deep hole machining drill bit protective devices, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of deep hole machining drill bit protective device,
Including drillstock, drilling rod, drill bit and fixing seat, cavity is offered inside the drillstock, is equipped at the top of the drillstock by bolt
First axle sleeve, the drillstock top side are connected with inlet tube, and the drillstock bottom dome is equipped with the second axle sleeve by bolt,
The drillstock bottom outside offers inclined-plane, and the drillstock bottom is connected with fluid hole, the drillstock far from the side of inlet tube
It is rotatablely connected by the first axle sleeve and the second axle sleeve and drilling rod, offers water channel at the drilling rod medial axis, outside the drilling rod
Wall offers the water hole being connected with water channel, and the bottom of the drilling rod offers shrinkage pool, and the drilling rod passes through shrinkage pool and drill bit top
The pillar in portion is threadedly coupled, and offers the conical surface at the top of the drill bit, the bottom outside of the drill bit offers chip space, described solid
Reservation bottom is fixed with link block, and the fixing seat is fixedly connected by link block with drillstock, and the water channel is at the top of drill bit
Pillar be connected with the low side of drill bit.
Preferably, there are four the water holes and its inside for being evenly distributed on cavity.
Preferably, the cone angle of the conical surface is 100 degree.
Preferably, the chip space is uniformly provided with four by central axis, is equipped at the top of the chip space and is inclined outwardly 45
Oblique angle is spent, the chip removal trench bottom extends to the conical surface.
Preferably, the top of the drilling rod is connected through the top of fixing seat and the transmission shaft driven of motor.
Compared with prior art, the utility model has the beneficial effects that
1, remote in drillstock bottom for conveying coolant liquid into cavity by being connected with inlet tube in drillstock top side
Side from inlet tube is connected with fluid hole, for exporting the coolant liquid in cavity, offers water at drilling rod medial axis
Road offers the water hole being connected with water channel in drilling-rod external wall, and coolant liquid can enter water channel by water hole, to drilling rod inside with
And outside is cooled down respectively, in order to also be cooled down to drill bit while cooling drilling rod, by water channel at the top of drill bit
Pillar is connected with the low side of drill bit, and coolant liquid can be discharged from drill bit bottom in drill bit processing, prevents drill bit from overheating and damaging
It is bad.
2, for the ease of carrying out deep hole machining to workpiece, 100 degree is set by the cone angle of the conical surface, does feeding fortune convenient for drill bit
It is dynamic, iron filings are discharged using drill bit in deep hole machining for convenience, chip space are uniformly provided with four by central axis, in chip removal
Groove top portion is equipped with and is inclined outwardly 45 degree of oblique angles, is squeezed and releases by the iron filings of front convenient for iron filings work in-process, and chip removal trench bottom prolongs
The conical surface is extended to, iron iron filings are discharged the cutting edge work in-process of the conical surface by chip space, prevent blocking damage drill bit.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is schematic enlarged-scale view at A in Fig. 1；
Fig. 3 is the utility model drill bit structure schematic diagram；
Fig. 4 be in Fig. 3 B to structural schematic diagram.
In figure: 1- drillstock；11- cavity；The first axle sleeve of 12-；The second axle sleeve of 13-；The inclined-plane 14-；15- inlet tube；16- goes out liquid
Pipe；2- drilling rod；21- water channel；The water hole 22-；23- shrinkage pool；3- drill bit；31- chip space；32- pillar；The 33- conical surface；4- fixing seat；
41- link block.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of deep hole machining drill bit protective device, packet
Drillstock 1, drilling rod 2, drill bit 3 and fixing seat 4 are included, cavity 11 is offered inside drillstock 1, is installed at the top of drillstock 1 by bolt
There is the first axle sleeve 12,1 top side of drillstock is connected with inlet tube 15, for conveying coolant liquid into cavity 11, by 1 bottom of drillstock
The second axle sleeve 13 is equipped with by bolt at the top of portion, offers inclined-plane 14 in 1 bottom outside of drillstock, it is right in deep hole machining to prevent
The drill bit 3 of bottom impacts, and is connected with fluid hole 16 far from the side of inlet tube 15 in 1 bottom of drillstock, is used for cavity 11
Interior coolant liquid output, avoids COOLANT TEMPERATURE, does not have cooling effect to drilling rod 2, and drillstock 1 is passed through the first axle sleeve 12
It is rotatablely connected with the second axle sleeve 13 with drilling rod 2, offers water channel 21 at 2 medial axis of drilling rod, it can be to drilling rod 2 with coolant liquid
Internal and outside is cooled down respectively, the water hole 22 being connected with water channel 21 is offered in 2 outer wall of drilling rod, coolant liquid can lead to
Water hole 22 enters water channel 21, cools down to the inside of drilling rod 2, offers shrinkage pool 23 in the bottom of drilling rod 2, drilling rod 2 is led to
It crosses shrinkage pool 23 to be threadedly coupled with the pillar 32 at 3 top of drill bit, offers the conical surface 33, at the top of drill bit 3 convenient for adding to workpiece
Work offers chip space 31 in the bottom outside of drill bit 3, for the iron filings generated in drilling process to be discharged, in fixing seat 4
Bottom is fixed with link block 41, fixing seat 4 is fixedly connected by link block 41 with drillstock 1, in order to while cooling drilling rod 2
Also drill bit 3 is cooled down, the pillar 32 by water channel 21 through 3 top of drill bit is connected with the low side of drill bit 3, adds in drill bit 3
Coolant liquid can be discharged from 3 bottom of drill bit in work, prevent drill bit 3 from overheating and damaging.
In order to preferably cooling to drilling rod 2, by the setting of water hole 22 on drilling rod 2 there are four and its be evenly distributed on cavity 11
Inside.
For the ease of carrying out deep hole machining to workpiece, 100 degree are set by the cone angle of the conical surface 33, is fed convenient for drill bit 3
Movement.
Iron filings are discharged using drill bit 3 in deep hole machining for convenience, chip space 31 is uniformly provided with four by central axis
It is a, it is equipped at the top of chip space 31 and is inclined outwardly 45 degree of oblique angles, squeezed and release by the iron filings of front convenient for iron filings work in-process, and
And 31 bottom of chip space extends to the conical surface 33, iron iron filings are discharged by chip space 31, are prevented by the cutting edge work in-process of the conical surface 33
Only block borehole damage drill bit 3.
In order to drive drilling rod 2 to rotate, by the top of drilling rod 2 through the top of fixing seat 4 and the transmission shaft driven of motor
Connection drives drilling rod 2 to rotate, and then drill bit 3 is driven to do feed motion by motor.
Working principle: 1 top side of drillstock is connected with inlet tube 15, for conveying coolant liquid into cavity 11, is being bored
1 bottom of handle is connected with fluid hole 16 far from the side of inlet tube 15, for exporting the coolant liquid in cavity 11, in drilling rod 2
Between offer water channel 21 at axis, the water hole 22 being connected with water channel 21 is offered in 2 outer wall of drilling rod, coolant liquid can pass through water
Hole 22 enters water channel 21, can be cooled down respectively to 2 inside of drilling rod and outside with coolant liquid, in order in cooling drilling rod 2
Also drill bit 3 is cooled down simultaneously, the pillar 32 by water channel 21 through 3 top of drill bit is connected with the low side of drill bit 3, in drill bit
Coolant liquid can be discharged from 3 bottom of drill bit in 3 processing, prevent drill bit 3 from overheating and damaging.
100 degree are set by the cone angle of the conical surface 33, does feed motion convenient for drill bit 3, is equipped at the top of chip space 31 outside
45 degree of oblique angles are tilted, is squeezed and releases by the iron filings of front convenient for iron filings work in-process, and 31 bottom of chip space extends to the conical surface
33, iron iron filings are discharged the cutting edge work in-process of the conical surface 33 by chip space 31, prevent blocking borehole damage drill bit 3.
It should be noted that, in this document, the relational terms of such as " first ", " second " etc are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence, indication or suggestion relative importance can not be interpreted as.Term " includes ", " packet
Containing " or any other variant thereof is intended to cover non-exclusive inclusion, so that including the process of a series of elements, side
Method, article or equipment not only include those elements, but also including other elements that are not explicitly listed, or further include
For elements inherent to such a process, method, article, or device.
In the present invention, unless otherwise indicated, " several " are meant that two or more；Term " peace
Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection
It is to be detachably connected, or be integrally connected, can be directly connected, it can also be indirectly connected through an intermediary.For ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of deep hole machining drill bit protective device, including drillstock (1), drilling rod (2), drill bit (3) and fixing seat (4), special
Sign is: offering cavity (11) inside the drillstock (1), is equipped with the first axle sleeve by bolt at the top of the drillstock (1)
(12), drillstock (1) top side is connected with inlet tube (15), and drillstock (1) bottom dome is equipped with by bolt
Two axle sleeves (13), drillstock (1) bottom outside offer inclined-plane (14), and drillstock (1) bottom is far from inlet tube (15)
Side is connected with fluid hole (16), and the drillstock (1) is connected by the first axle sleeve (12) and the second axle sleeve (13) and drilling rod (2) rotation
It connects, is offered water channel (21) at drilling rod (2) medial axis, drilling rod (2) outer wall is offered to be connected with water channel (21)
Water hole (22), the bottom of the drilling rod (2) offers shrinkage pool (23), and the drilling rod (2) is pushed up by shrinkage pool (23) and drill bit (3)
The pillar (32) in portion is threadedly coupled, and is offered the conical surface (33) at the top of the drill bit (3), the bottom outside of the drill bit (3) opens up
Have chip space (31), fixing seat (4) bottom is fixed with link block (41), the fixing seat (4) by link block (41) with
Drillstock (1) is fixedly connected, and pillar (32) of the water channel (21) at the top of drill bit (3) is connected with the low side of drill bit (3).
2. a kind of deep hole machining drill bit protective device according to claim 1, it is characterised in that: the water hole (22) has
Four and its inside for being evenly distributed on cavity (11).
3. a kind of deep hole machining drill bit protective device according to claim 1, it is characterised in that: the conical surface (33)
Cone angle is 100 degree.
4. a kind of deep hole machining drill bit protective device according to claim 1, it is characterised in that: the chip space (31)
Four are uniformly provided with by central axis, is equipped at the top of the chip space (31) and is inclined outwardly 45 degree of oblique angles, the chip space (31)
Bottom extends to the conical surface (33).
5. a kind of deep hole machining drill bit protective device according to claim 1, it is characterised in that: the drilling rod (2)
Top is connected through the top of fixing seat (4) and the transmission shaft driven of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579492.4U CN208879761U (en) | 2018-09-27 | 2018-09-27 | A kind of deep hole machining drill bit protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579492.4U CN208879761U (en) | 2018-09-27 | 2018-09-27 | A kind of deep hole machining drill bit protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208879761U true CN208879761U (en) | 2019-05-21 |
Family
ID=66514177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821579492.4U Expired - Fee Related CN208879761U (en) | 2018-09-27 | 2018-09-27 | A kind of deep hole machining drill bit protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208879761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732345A (en) * | 2021-09-27 | 2021-12-03 | 滕州市成海机床有限公司 | Temperature compensation type horizontal machining center |
-
2018
- 2018-09-27 CN CN201821579492.4U patent/CN208879761U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732345A (en) * | 2021-09-27 | 2021-12-03 | 滕州市成海机床有限公司 | Temperature compensation type horizontal machining center |
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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: 20190521 Termination date: 20210927 |