CN206779533U - Dust suction drill bit with refrigerating function - Google Patents
Dust suction drill bit with refrigerating function Download PDFInfo
- Publication number
- CN206779533U CN206779533U CN201621410657.6U CN201621410657U CN206779533U CN 206779533 U CN206779533 U CN 206779533U CN 201621410657 U CN201621410657 U CN 201621410657U CN 206779533 U CN206779533 U CN 206779533U
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- China
- Prior art keywords
- air flue
- connecting rod
- drill bit
- radial direction
- hollow cavity
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Abstract
This patent discloses a kind of dust suction drill bit with refrigerating function, the backpitch blade being uniformly arranged including connecting rod and more than three, the axial air flue along pitman shaft to through connection bar is provided with connecting rod, axial air flue connection screw blade one end is provided with conical opening, the radial direction air flue being connected with the axial air flue is provided with connecting rod, radial direction of the radial direction air flue along connecting rod penetrates the connecting rod, hollow cavity is equipped with each backpitch blade, coolant is provided with hollow cavity, the storing pipeline laterally set is provided with axial air flue, storing pipeline one end connects with hollow cavity, the storing pipeline other end slidably connects piston plate, piston rod is connected between piston plate and the storing pipeline, piston rod one end is slidably connected with storing inner-walls of duct, the piston rod other end is fixedly connected on the piston plate.By implementing the technical program, to solve drill bit during drilling operation, high temperature is avoided to cause the phenomenon of damage to drill bit, and from improving processing environment.
Description
Technical field
It the utility model is related to drilling technique field, and in particular to a kind of dust suction drill bit with refrigerating function.
Background technology
With the development of machinery industry, drilling technique is as one of important technology in machinery production, in machining
Using more and more extensive, such as：, need to be to the screwed hole of the cylinder barrel of cylinder and cylinder surface all when being processed to cylinder
Need to be drilled, when drill bit pierces cylinder, meeting skiving goes out substantial amounts of metal fragment, and these metal fragments can be with brill
The high-speed rotation centrifugation of head is outwards splashed, and is entered by respiratory tract in the body of operator, pole is caused to the health of operating personnel
Big harm.
In the prior art, Application No. CN103352659A patent discloses a kind of backpitch and crushes dust suction drill bit, bag
Connecting rod and more than the three backpitch blades being uniformly arranged are included, the rib portion of each backpitch blade is equipped with blade, each backpitch
The rear end of blade is both connected to the front end of the connecting rod, and the rearward diameter of connecting rod is less than connecting rod main diameter and forms use
In the connection part of jointed rod, the peripheral surface of connection part is provided with connection screw thread, front and rear through connection is provided with the connecting rod
The axial air flue of bar, the front-end and back-end of axial air flue are all provided with horn mouth, are provided with and the axial air flue in the connecting rod
The radial direction air flue being connected, radial direction air flue radially penetrates the connecting rod and its both ends is provided with horn mouth；Axial air flue rear end
Horn mouth be used for be connected with drilling rod, the horn mouth of axial air flue front end and the horn mouth at radial direction air flue both ends are as air-breathing
Mouthful.When the technical scheme realizes bit bore, the chip drilled out is sucked in drilling rod by axial air flue and radial direction air flue, kept away
Exempt from chip and block drill bit and splashes into air, the problem of being damaged to operator's body.However, in existing drilling
Often due also to producing too high temperature when drilling and burning drill bit in operating process so that drill bit produces passivation, if with
Passivated drill bit continues Drilling operation, will cause Drill Crack, and the drill bit of residual disconnected in hole as being difficult to take out, and
The screwed hole that the drill bit of passivation drills out is not accurate enough, influences later stage installation.Therefore, however it remains the problem of be：Temperature of diamond bit mistake
Height, drill bit is easily burnt, make the drill bit of passivation influence processing progress and the accuracy of processing.
Utility model content
The utility model is intended to provide a kind of dust suction drill bit with refrigerating function, to solve drill bit in drilling operation process
In, avoid high temperature from causing the phenomenon of damage to drill bit.
To reach above-mentioned purpose, base case of the present utility model is as follows：Dust suction drill bit with refrigerating function, including even
Extension bar and more than the three backpitch blades being uniformly arranged, each backpitch blade are both connected in the connecting rod, the connection
The axial air flue along pitman shaft to through connection bar is provided with bar, axial air flue connection screw blade one end is provided with conical opening,
Provided with the radial direction air flue being connected with the axial air flue in the connecting rod, described in radial direction insertion of the radial direction air flue along connecting rod
Connecting rod, hollow cavity is equipped with each backpitch blade, the storing pipeline laterally set, institute are provided with the axial air flue
State storing pipeline one end to connect with the hollow cavity, the storing pipeline other end slidably connects piston plate, and the piston plate is transversal
The size in face and the size of the axial gas path cross sections match, and work is connected between the piston plate and the storing pipeline
Stopper rod, described piston rod one end are slidably connected with storing inner-walls of duct, and the piston rod other end is fixedly connected on the piston plate,
The length of the piston rod slips away the axial passage away from the most long distance in backpitch blade one end not less than the piston plate,
Coolant is provided with the hollow cavity.
The principle of this base case is：When drilling using drill bit to cylinder surface, it is connected in connecting rod
Backpitch blade can realize efficiency crushing to needing bore position, and during backpitch blade is crept at a high speed,
Quickly rubbed with the metal surface of cylinder, produce higher temperature, and coolant is provided with the hollow cavity in backpitch blade,
Coolant is taken away caused heat on backpitch blade, cools down backpitch blade, avoid backpitch blade by thermal evaporation heat absorption
Fatigue damage is produced due to too high temperature, cause Drill Crack be difficult in the borehole take out the problem of；Further, hollow cavity
Gas caused by interior gasification is entered in storing pipeline by connecting the storing pipeline of hollow cavity, and the gas pressure intensity in storing pipeline becomes
Greatly, the piston rod being slidably connected with storing inner-walls of duct is promoted to be slided away from backpitch blade one end, so as to drive connection piston
The piston plate of bar slides away from backpitch blade one end, forms the confined space that the radial direction air flue of connection axial direction air flue is formed
Negative pressure, the metal fragment that brick drills out are sucked into axial air flue and radial direction air flue by negative pressure, avoid brick from being blocked up by metal fragment
Plug, and avoid metal fragment from centrifuging splashes, environment is damaged, it is convenient and practical.
Beneficial effect：The 1st, hollow cavity equipped with coolant is set in backpitch blade, make drill bit in the process of drilling
In, directly it is capable of the blade of cooling down high-temperature, cooling velocity is fast, and avoids blade from extending and bore because too high temperature burns drill bit
The service life of head；2nd, the axial air flue caused by coolant gasification in gas connection connecting rod, passes through the piston of piston plate
Motion, the radial direction air flue of connection axial direction air flue is produced negative pressure, draw caused metal fragment in drill bit drilling process, it is not necessary to
Extra power drive, the metal fragment for influenceing drill bit drilling just can be drawn, and avoid polluting environment, safety collar
Protect, practicality is good.
Further, the coolant is vinegar.Beneficial effect：Vinegar is the 3%~5% of acetic acid（Mass fraction）The aqueous solution,
Material easily obtains, and nontoxic, and boiling point is liquid at 60 DEG C or so, under normal temperature state, during drill bit is crept into, reaches vinegar
Boiling temperature when, vinegar gasification heat absorption, drill bit can be cooled down, practicality is good.
Further, it is taper that the storing pipeline, which connects described hollow cavity one end, and big footpath one end connects with the hollow cavity
It is logical.Beneficial effect：Increase the contact area of each backpitch blade and storing pipeline, caused gas can after making vinegar gasification
Enter quickly through the connector of taper in storing pipeline.
Further, the radial direction air flue both ends are equipped with horn mouth.Beneficial effect：The face of increase suction metal fragment port
Product, is easy to adsorbing metal chip.
Further, the collector to match with the horn mouth size is connected with the horn mouth at radial direction air flue both ends,
The collector bottom is provided with the through hole that several diameters are less than 0.15cm.Beneficial effect：Sucked by negative pressure in radial passage
Metal fragment, metal fragment of the size more than 0.15cm collect in collector, avoid blocking axial diameter, collects device card
It is connected at horn mouth, cleaning easy to disassemble is convenient and practical.
Further, the quantity of the backpitch blade is 4.Beneficial effect：It is 4 to set backpitch blade, less than 4
The boring surface of backpitch blade drilling is coarse uneven, and more than 4 backpitch blades increase cost again, so that by backpitch knife
Piece is arranged to 4 suitably.
Brief description of the drawings
Fig. 1 is the section of structure for the dust suction drill bit that the utility model embodiment has refrigerating function；
Fig. 2 is the top view for the dust suction drill bit collector that the utility model embodiment has refrigerating function.
Embodiment
The utility model is described in further detail below by embodiment：
Reference in Figure of description includes：Connecting rod 1, backpitch blade 2, axial air flue 3, conical opening 4, radial direction
Air flue 5, storing pipeline 6, piston plate 7, piston rod 8, collector 9, through hole 10.
Embodiment is substantially as shown in Figure 1：Dust suction drill bit with refrigerating function, including connecting rod 1 and 4 are uniformly arranged
The backpitch blade 2 of backpitch blade 2,4 be uniformly welded on the right-hand member of connecting rod 1, connecting rod 1 is offered along the axle of connecting rod 1
To the axial air flue 3 of through connection bar 1, the axial right-hand member of air flue 3 offers conical opening 4, and the conical opening 4 of setting can be used for adsorbing
Metal fragment, the storing pipeline 6 that air flue 3 vertically is laterally set is provided with axial air flue 3, and the left end inwall of storing pipeline 6 is slided
Dynamic to be connected with a piston rod 8, the left end of piston rod 8 is welded with a piston plate 7, cross sectional dimensions and the storing pipe of piston rod 8
The rank street face of the inwall of road 6 is equal sized, and the cross sectional dimensions of piston plate 7 is equal with the cross sectional dimensions of axial air flue 3, piston plate
7 are slidably connected with axial air flue 3, living so as to which the movement of piston plate 7 can change the air pressure of the left side of piston plate 7 and the right cavity
The length of stopper rod 8 is more than piston plate 7 off axis to the longest distance of the left end of air flue 3, so as to which piston rod 8 slides in storing pipeline 6
When, storing pipeline 6 will not be skidded off, ensures the piston movement of piston rod 8 and piston plate 7.
The radial direction air flue 5 connected with axial air flue 3, footpath are equipped with above and below the right-hand member that piston plate 7 slides in axial air flue 3
Radial direction through connection bar 1 to air flue 5 along connecting rod 1；It is equipped with hollow cavity in 4 backpitch blades 2, hollow cavity is and storing
Pipeline 6 connects, and is provided with coolant vinegar in hollow cavity, vinegar is the 3%~5% of acetic acid（Mass fraction）The aqueous solution, material is easy
Obtain, and nontoxic, boiling point is liquid at 60 DEG C or so, under normal temperature state, when backpitch blade 2 is during drilling, anti-spiral shell
The metal of rotary knife piece 2 and cylinder surface quickly rubs, and produces amount of heat, makes the temperature height of backpitch blade 2, and then make anti-spiral shell
Vinegar temperature rise in the hollow cavity of rotary knife piece 2, when reaching the boiling temperature of vinegar, vinegar gasification heat absorption, drill bit can be entered
Row cooling, practicality are good；Vinegar steam after gasification enters in storing pipeline 6 along hollow cavity, and storing pipeline 6 connects the one of hollow cavity
To hold tapered, the big footpath one end of storing pipeline 6 connects with hollow cavity, so as to facilitate steam to be quickly circulated in storing pipeline 6, storing
Air pressure increase in pipeline 6, drives piston rod 8 to be moved to the left, promotes piston plate 7 to be moved to the left, make what is connected with axial air flue 3
Radial direction air flue 5 produces negative pressure, adsorbs in drilling process, the metal fragment of drill bit radial direction, avoids brick from being blocked up by metal fragment
Plug, and avoid centrifuging splashes, environment is damaged.
In addition, as shown in Fig. 2 the both ends of radial direction air flue 5 are equipped with horn mouth, to realize increase suction metal fragment port
Area, it is easy to adsorbing metal chip；Further, the taper to match with horn mouth size is connected with the horn mouth at both ends
Collector 9, the metal fragment in collection to collector 9 is taken out cleaning by the collector 9 being detachably connected, avoid blocking up
Axial air flue 3 and radial direction air flue 5 are filled in, the bottom of collector 9 is provided with the through hole 10 that several diameters are less than 0.15cm, passes through negative pressure
Suck radial passage in metal fragment, size more than 0.15cm metal fragment collect in collector 9, filter out diameter compared with
Big metal fragment, recycle, energy-conserving and environment-protective.
In the present embodiment, when drilling using drill bit to cylinder surface, be connected to the right-hand member of connecting rod 14 are anti-
Efficiency crushing is realized in the position that screw blade 2 drills to needs, and during backpitch blade 2 efficiently drilling, it is caused
Amount of heat, make that there is higher temperature on backpitch blade 2, so that having in the hollow cavity in backpitch blade 2 higher
Temperature, the vinegar heat absorption in hollow cavity reaches boiling point, gasification heat absorption, cools down the backpitch blade 2 of surrounding, blade is cooled, keep away
Exempt from backpitch blade 2 and fatigue damage produced due to too high temperature, cause Drill Crack be difficult in the borehole take out the problem of；
Further, the vinegar steam of hollow cavity gasification is rapidly entered in storing pipeline 6 by the tapered channel of the right-hand member of storing pipeline 6, makes storage
Air pressure rise in pipe material 6, promotes piston rod 8 to be moved to the left, and then promotes the piston plate 7 of connection piston rod 8 to be moved to the left,
The right-hand member of piston plate 7 is penetrated the radial direction air flue 5 of axial air flue 3 and be in negative pressure state, draw the metal fragment that drill bit radially remains,
Reduce metal fragment blocking drilling drill bit is caused to wear, and avoid metal from centrifuging splashes, what environment was damaged asks
Topic；The both ends of radial direction air flue 5 are bell-mouthed collector 9, increase the area of adsorbing metal chip, and the bottom of collector 9
A diameter of 0.15cm, the metal fragment being relatively large in diameter is filtered out, recycle, energy-conserving and environment-protective, avoid blocking axial air flue 3 and footpath
To air flue 5, practicality is good, is adapted to popularization and application.
Above-described is only embodiment of the present utility model, and the general knowledge such as known concrete structure and characteristic is herein in scheme
Do not describe excessively.It should be pointed out that for those skilled in the art, the premise of the utility model structure is not being departed from
Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, and these are all without influence
The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
It is defined, the record such as embodiment in specification can be used for the content for explaining claim.
Claims (6)
1. the dust suction drill bit with refrigerating function, including connecting rod and more than the three backpitch blades being uniformly arranged, each anti-spiral shell
Rotary knife piece is both connected in the connecting rod, be provided with the connecting rod along connecting rod axially through axial air flue, axial gas
One end of road connection backpitch blade is provided with conical opening, and the radial direction gas being connected with the axial air flue is provided with the connecting rod
Road, radial direction insertion of the radial direction air flue along connecting rod, it is characterised in that hollow cavity is equipped with each backpitch blade, it is described
The storing pipeline laterally set is provided with axial air flue, described storing pipeline one end connects with the hollow cavity, and storing pipeline is another
One end slidably connects piston plate, and the size of the piston plate cross section and the size of the axial gas path cross sections match,
Piston rod is connected between the piston plate and the storing pipeline, described piston rod one end is slided with storing inner-walls of duct to be connected
Connect, the piston rod other end is fixedly connected on the piston plate, and the length of the piston rod slips away institute not less than the piston plate
Axial passage is stated away from the most long distance in backpitch blade one end, the hollow cavity is interior to be provided with coolant.
2. the dust suction drill bit according to claim 1 with refrigerating function, it is characterised in that：The coolant is vinegar.
3. the dust suction drill bit according to claim 1 with refrigerating function, it is characterised in that：The storing pipeline connects institute
The one end for stating hollow cavity is taper, and big footpath one end of the storing pipeline taper connects with the hollow cavity.
4. the dust suction drill bit according to claim 1 with refrigerating function, it is characterised in that：The radial direction air flue both ends are equal
Provided with horn mouth.
5. the dust suction drill bit according to claim 4 with refrigerating function, it is characterised in that：The loudspeaker at radial direction air flue both ends
The collector to match with the horn mouth size is connected with mouth, the collector bottom is less than provided with several diameters
0.15cm through hole.
6. according to any described dust suction drill bits with refrigerating function of claim 1-5, it is characterised in that：The backpitch knife
The quantity of piece is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621410657.6U CN206779533U (en) | 2016-12-21 | 2016-12-21 | Dust suction drill bit with refrigerating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621410657.6U CN206779533U (en) | 2016-12-21 | 2016-12-21 | Dust suction drill bit with refrigerating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206779533U true CN206779533U (en) | 2017-12-22 |
Family
ID=60704227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621410657.6U Expired - Fee Related CN206779533U (en) | 2016-12-21 | 2016-12-21 | Dust suction drill bit with refrigerating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206779533U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176913A (en) * | 2018-11-01 | 2019-01-11 | 王玉鹏 | A kind of mute brill of ultrasonic wave |
| CN112620717A (en) * | 2020-12-25 | 2021-04-09 | 青岛亿联建设集团股份有限公司 | Steel structure perforating device for building house |
| CN116652687A (en) * | 2023-07-21 | 2023-08-29 | 江苏竣昌科技有限公司 | Machining surface cooling equipment for boring magnesium alloy workpiece |
-
2016
- 2016-12-21 CN CN201621410657.6U patent/CN206779533U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176913A (en) * | 2018-11-01 | 2019-01-11 | 王玉鹏 | A kind of mute brill of ultrasonic wave |
| CN112620717A (en) * | 2020-12-25 | 2021-04-09 | 青岛亿联建设集团股份有限公司 | Steel structure perforating device for building house |
| CN116652687A (en) * | 2023-07-21 | 2023-08-29 | 江苏竣昌科技有限公司 | Machining surface cooling equipment for boring magnesium alloy workpiece |
| CN116652687B (en) * | 2023-07-21 | 2023-10-20 | 江苏竣昌科技有限公司 | Machining surface cooling equipment for boring magnesium alloy workpiece |
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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 |
Granted publication date: 20171222 Termination date: 20181221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |