CN205798533U - A kind of structure improved depth drill - Google Patents
A kind of structure improved depth drill Download PDFInfo
- Publication number
- CN205798533U CN205798533U CN201620702470.7U CN201620702470U CN205798533U CN 205798533 U CN205798533 U CN 205798533U CN 201620702470 U CN201620702470 U CN 201620702470U CN 205798533 U CN205798533 U CN 205798533U
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- CN
- China
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- main body
- unicom
- drill
- matrix
- chip area
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Abstract
This utility model provides a kind of structure improved depth drill, belongs to cutter of drill machine technical field.It solve existing depth drill and change inconvenient problem.This structure improved depth drill includes: main body, main body offers the first chip area and the second chip area, bar-shaped trough is offered in one end of main body, bar-shaped trough offers the first cooling duct, other end extension in main body is formed with the knife bar portion that shape is cylindrical, offers and communicate with the first cooling duct and the second coaxial cooling duct in knife bar portion；Drill, described drill includes matrix, described matrix is arranged in bar-shaped trough and the both sides arc respectively of described matrix has been downwardly extending the first cutting edge and the second cutting edge, matrix offers the first cutting slot and the second cutting slot, offer counterbore respectively in the both sides of matrix, in counterbore, be provided with fixing screw.This structure improved depth drill has that chip removal is effective, change convenient advantage.
Description
Technical field
This utility model belongs to cutter of drill machine technical field, relates to a kind of structure improved depth drill.
Background technology
Depth drill is used exclusively for the drill bit of deep hole processing.In machining, generally the ratio of hole depth with aperture is more than 6
Hole be referred to as deep hole.When gun drilling, heat radiation and chip removal difficulty, and the poor rigidity because drilling rod is elongated, it is easily generated bending and shakes
Dynamic, often there is chip removal problem in depth drill of the prior art, this depth drill needs whole carrying out during changing simultaneously
Change, add the use cost of depth drill.
For solve depth drill of the prior art exist problem, need design one change convenient structure improved deeply
Hole drill.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that a kind of chip removal is effective, more
Change convenient structure improved depth drill.
The purpose of this utility model can be realized by following technical proposal: a kind of structure improved depth drill, including:
Main body, offers symmetry and the first chip area being vertically arranged and the second chip area, in the one of main body in main body
End offers the bar-shaped trough communicated with the first chip area and the second chip area, offers and run through main body and and main body on bar-shaped trough
The first coaxial cooling duct, the other end extension in main body is formed with the knife bar portion that shape is cylindrical, described knife bar portion
Diameter, less than the diameter of main body, offers in knife bar portion and communicates with the first cooling duct and the second coaxial cooling duct；
Drill, described drill includes that shape is the matrix of flat, and described matrix is arranged in bar-shaped trough and described matrix
Both sides arc respectively be downwardly extending the first cutting edge and the second cutting edge, matrix offers and the first chip area
The first corresponding cutting slot, offers second cutting slot corresponding with the second chip area, at matrix near main body one on matrix
Side offers the cooling breach corresponding with the first cooling duct, and described cooling breach is positioned at the second exit, cooling duct, at base
The both sides of body offer counterbore respectively, are provided with one end of fixing screw and described fixing screw through counterbore spiral shell in counterbore
Stricture of vagina is connected in main body.
In the above-mentioned structure improved depth drill of one, described first chip area includes that cross section is the first spiral shell of arc-shaped
Rotation portion intersects with the first spire and is parallel to the first installation portion of main body axis and pacifies with the first spire and first respectively
The first chamfered section that dress portion intersects.
In the above-mentioned structure improved depth drill of one, described second chip area includes that cross section is the second spiral shell of arc-shaped
Rotation portion intersects with the second spire and is parallel to the second installation portion of main body axis and pacifies with the second spire and second respectively
The second chamfered section that dress portion intersects.
In the above-mentioned structure improved depth drill of one, described first cooling duct include the first portion of UNICOM, second
Logical portion and the 3rd portion of UNICOM, described first portion of UNICOM communicates with breach and the diameter in described first portion of UNICOM and the width of breach
Equal, the diameter of described first UNICOM is more than the second UNICOM more than the diameter in the 3rd portion of UNICOM and the diameter in described 3rd portion of UNICOM
The diameter in portion, described 3rd portion of UNICOM communicates with the second cooling duct.
Compared with prior art, this utility model at least has the advantages that
1, this utility model includes main body and drill, offers bar-shaped trough in the front end of matrix and drill is installed on bar-shaped trough
In, facilitate in use drill and change when abrasion occurring or collapsing cutter phenomenon, improve work efficiency.
2, this utility model offers for the first chip area of chip removal and the second chip area and in drill in main body
Offer first cutting slot corresponding with the first chip area and the second chip area and the second cutting slot, improve of the present utility model
Chip removal efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is another viewing angle constructions schematic diagram of the present utility model.
Fig. 3 is sectional view of the present utility model.
Fig. 4 is the upward view that this utility model omits drill.
The structural representation of drill in Fig. 5 this utility model one preferred embodiment.
In figure, 100, main body；110, the first chip area；111, the first spire；112, the first installation portion；113, first fall
Corner；120, the second chip area；121, the second spire；122, the second installation portion；123, the second chamfered section；130, bar-shaped trough；
140, the first portion of UNICOM；141, the second portion of UNICOM；142, the 3rd portion of UNICOM；150, knife bar portion；151, the second cooling duct；152、
Installed surface；200, matrix；210, the first cutting edge；211, the first cutting slot；220, the second cutting edge；221, the second cutting slot；
230, cooling breach；240, counterbore.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
As shown in Figures 1 to 5, this structure improved depth drill includes main body 100, main body 100 offers symmetry and
The first chip area 110 and the second chip area 120 being vertically arranged, offer in one end of main body 100 laterally and with the first chip removal
The bar-shaped trough 130 that groove 110 and the second chip area 120 all communicate, is provided with drill, in this utility model work in bar-shaped trough 130
During work, main body 100 can drive drill circumferentially rotate and process workpiece, and the iron filings that drill cutting simultaneously produces can edge respectively
The first chip area 110 and the second chip area 120 discharges, improve chip removal efficiency of the present utility model, it is to avoid iron filings pair
Surface of the work causes the generation of damage phenomenon.
Further, above-mentioned first chip area 110 includes that cross section is the first spire 111 and the first spiral of arc-shaped
Portion 111 intersects and is parallel to the first installation portion 112 of main body 100 axis and installs with the first spire 111 and first respectively
The first chamfered section 113 that portion 112 intersects, during drill is cut, iron filings can be directed into the first chip area 110 along drill
In and outwards derive along the first spire 111 and the first installation portion 112, improve chip removal efficiency of the present utility model, it is to avoid
Surface of the work is caused the generation of damage phenomenon by iron filings.
Further, above-mentioned second chip area 120 includes that cross section is the second spire 121 and the second spiral of arc-shaped
Portion 121 intersects and is parallel to the second installation portion 122 of main body 100 axis and installs with the second spire 121 and second respectively
The second chamfered section 123 that portion 122 intersects, during drill is cut, iron filings can be directed into the first chip area 110 along drill
In and outwards derive along the first spire 111 and the first installation portion 112, improve chip removal efficiency of the present utility model, it is to avoid
Surface of the work is caused the generation of damage phenomenon by iron filings.
Preferably, the other end in main body 100 extends the diameter being formed with knife bar portion 150 and knife bar portion 150 less than main body
The diameter of 100, offers the installed surface 152 tangent with knife bar portion 150 in knife bar portion 150, facilitates this utility model and installs
On equipment, it is ensured that the steadiness that this utility model is installed, improve the safety that this utility model uses.
Main body 100 offers the first cooling duct run through main body 100 and communicate with bar-shaped trough 130, in knife bar portion
The second cooling duct 151 communicating with the first cooling duct and being coaxially disposed is offered on 150, during drill is cut,
Cutting fluid can be directed into the first cooling duct by the second cooling duct 151 and cutting fluid can be made to be sprayed in drill, it is to avoid bores
The surface of cutter is too high and affects the generation of drill phenomenon in service life, improves the service life of drill.
Further, above-mentioned first cooling duct includes the 140, second portion of UNICOM of the first portion of UNICOM 141 and the 3rd UNICOM
Portion 142, described first portion of UNICOM 140 communicates with breach and the diameter in described first portion of UNICOM 140 is equal with the width of breach, institute
The diameter stating the first UNICOM is more than the second UNICOM more than the diameter in the 3rd portion of UNICOM 142 and the diameter in described 3rd portion of UNICOM 142
The diameter in portion 141, described 3rd portion of UNICOM 142 communicates with the second cooling duct 151, reduces coolant by the 3rd portion of UNICOM
142 flow into the water conservancy diversion speed in the first portion of UNICOM 140 so that coolant can slowly flow to drill, thus ensure that drill
Cooling effect has also saved the cost of coolant.
Above-mentioned drill includes that shape is the matrix 200 of flat, and in the both sides of matrix 200, arc respectively is downwardly extending
Having the first cutting edge 210 and the second cutting edge 221220, aforementioned body 100 can drive the first cutting edge 210 and the second cutting edge
221220 circumferentially rotate and process workpiece, offer first cutting slot corresponding with the first chip area 110 on matrix 200
211, matrix 200 offers second cutting slot corresponding with the second chip area 120, when the first cutting edge 210 and second is cut
The iron filings cutting sword 221220 cutting formation can be directed into the first chip area by the first cutting slot 211 and the second cutting slot respectively
110 and second chip removal, it is ensured that normal work of the present utility model.
Preferably, in above-mentioned matrix 200 is arranged at bar-shaped trough 130 and offer on matrix 200 and the first cooling duct
Corresponding cooling breach 230, above-mentioned coolant can be directed in cooling breach 230 by the first cooling duct, thus ensure that
Drill can be cooled down by coolant, it is to avoid drill causes the temperature around drill owing to producing big calorimetric in working angles
Spend the generation of high phenomenon, improve the service life of drill.
Offer counterbore 240 respectively in the both sides of matrix 200, in counterbore 240, be provided with fixing screw and described fixing
One end of screw is through counterbore 240 and is threadedly connected in main body 100, thus ensure that matrix 200 is installed with both main bodys 100
Steadiness, it is to avoid occur that matrix 200 occurs that the skew of position affects this utility model and normally works the generation of phenomenon, improve
Work efficiency of the present utility model.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (4)
1. a structure improved depth drill, it is characterised in that including:
Main body, offers symmetry and the first chip area being vertically arranged and the second chip area in main body, opens in one end of main body
It is provided with the bar-shaped trough communicated with the first chip area and the second chip area, bar-shaped trough offers and runs through main body and coaxial with main body
The first cooling duct, main body the other end extend be formed with the knife bar portion that shape is cylindrical, the diameter in described knife bar portion
Less than the diameter of main body, knife bar portion offers and communicates with the first cooling duct and the second coaxial cooling duct；
Drill, described drill includes that shape is the matrix of flat, and described matrix is arranged in bar-shaped trough and the two of described matrix
Side arc respectively has been downwardly extending the first cutting edge and the second cutting edge, offers corresponding with the first chip area on matrix
The first cutting slot, matrix offers second cutting slot corresponding with the second chip area, opens near body side at matrix
Being provided with the cooling breach corresponding with the first cooling duct, described cooling breach is positioned at the second exit, cooling duct, at matrix
Both sides offer counterbore respectively, and the one end being provided with fixing screw and described fixing screw in counterbore connects through counterbore screw thread
It is connected in main body.
The structure improved depth drill of one the most according to claim 1, it is characterised in that described first chip area includes cutting
Face is the first spire of arc-shaped and the first spire intersects and be parallel to main body axis the first installation portion and respectively with
The first chamfered section that first spire and the first installation portion intersect.
The structure improved depth drill of one the most according to claim 2, it is characterised in that described second chip area includes cutting
Face is the second spire of arc-shaped and the second spire intersects and be parallel to main body axis the second installation portion and respectively with
The second chamfered section that second spire and the second installation portion intersect.
The structure improved depth drill of one the most according to claim 3, it is characterised in that described first cooling duct includes
First portion of UNICOM, the second portion of UNICOM and the 3rd portion of UNICOM, described first portion of UNICOM communicates with breach and described first portion of UNICOM
Diameter equal with the width of breach, the diameter of described first UNICOM is more than the diameter in the 3rd portion of UNICOM and described 3rd portion of UNICOM
Diameter more than the diameter in the second portion of UNICOM, described 3rd portion of UNICOM communicates with the second cooling duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620702470.7U CN205798533U (en) | 2016-06-29 | 2016-06-29 | A kind of structure improved depth drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620702470.7U CN205798533U (en) | 2016-06-29 | 2016-06-29 | A kind of structure improved depth drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205798533U true CN205798533U (en) | 2016-12-14 |
Family
ID=58140423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620702470.7U Expired - Fee Related CN205798533U (en) | 2016-06-29 | 2016-06-29 | A kind of structure improved depth drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205798533U (en) |
-
2016
- 2016-06-29 CN CN201620702470.7U patent/CN205798533U/en not_active Expired - Fee Related
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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: 20161214 Termination date: 20170629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |