CN209867463U - Forming drill bit - Google Patents
Forming drill bit Download PDFInfo
- Publication number
- CN209867463U CN209867463U CN201822130044.2U CN201822130044U CN209867463U CN 209867463 U CN209867463 U CN 209867463U CN 201822130044 U CN201822130044 U CN 201822130044U CN 209867463 U CN209867463 U CN 209867463U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- cutting fluid
- detachable
- hole
- blade
- 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.)
- Expired - Fee Related
Links
- 239000002173 cutting fluid Substances 0.000 claims abstract description 64
- 230000001154 acute effect Effects 0.000 claims description 22
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 12
- 238000003754 machining Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical group Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Abstract
The utility model discloses a forming drill bit, including the drill bit main part, a plurality of chip grooves have been seted up to the lateral wall of drill bit main part, and a plurality of chip grooves extend to drill bit main part bottom, divide into a plurality of cutter bodies, a plurality of with the bottom of drill bit main part the rake face of cutter body is connected with can dismantle the blade. A cutting fluid hole is formed in the forming drill bit; the cutting fluid hole penetrates through the drill bit rod body and the drill bit main body; the cross section of the cutting fluid hole is circular; the drill bit body, the drill bit rod body and the cutting fluid hole are coaxial; the cutting fluid hole comprises a cutting fluid main hole and a plurality of cutting fluid branch holes. A plurality of cutter bodies of drill bit main part bottom are connected with respectively and dismantle the blade, and convenient maintenance when the cutting edge wearing and tearing and other parts are intact is changed, reduces the use cost of drill bit. The inside of the forming drill bit is provided with a cutting fluid hole, and cutting fluid is introduced, so that the friction between the cutter body and the surface of a workpiece and cutting chips is reduced, the surface temperature of the drill bit and the workpiece is reduced, and the abrasion of the drill bit is reduced.
Description
Technical Field
The utility model belongs to machine knife processing field especially relates to a shaping drill bit.
Background
As shown in fig. 5, the forming drill bit in the prior art is composed of a drill bit body 1 and a drill bit rod body 2, wherein a plurality of chip grooves are formed in the side wall of the drill bit body 1, the chip grooves extend to the bottom end of the drill bit body 1, the bottom of the drill bit body 1 is divided into a plurality of cutter bodies, each cutter body is provided with a cutting edge 3 ', and each cutter body comprises a first cutting edge 3' 1, a second cutting edge 3 '2 and a third cutting edge 3' 3, the first cutting edge 3 '1, the second cutting edge 3' 2 and the third cutting edge 3 '3 of each cutter body are not all in the same horizontal plane, and the first cutting edge 3' 1, the second cutting edge 3 '2 and the third cutting edge 3' 3 of each cutter body are not all in the same cylindrical plane. The cutting edge of the drill bit with the design is integrated with the cutter body of the drill bit main body, so that the drill bit is difficult to maintain and replace, the cutting edge is easy to wear when in use due to the sharpness of the cutting edge, and although other parts of the drill bit can be normally used, the drill bit can only be scrapped, so that the cost is very high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a shaping drill bit, a plurality of cutter bodies of drill bit main part bottom are connected with respectively and can dismantle the blade, and convenient maintenance when cutting edge wearing and tearing and other parts are intact is changed, reduces the use cost of drill bit.
In order to solve the technical problem, the technical scheme of the utility model as follows: the utility model provides a forming drill bit, includes the drill bit main part, a plurality of chip grooves have been seted up to the lateral wall of drill bit main part, and a plurality of chip grooves extend to drill bit main part bottom, divide into a plurality of cutter bodies, a plurality of with the bottom of drill bit main part the rake face of cutter body is connected with can dismantle the blade.
The utility model has the advantages that: a plurality of cutter bodies of drill bit main part bottom are connected with respectively and dismantle the blade, and convenient maintenance when the cutting edge wearing and tearing and other parts are intact is changed, reduces the use cost of drill bit.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement: three detachable blades are provided; the three detachable blades are respectively a first detachable blade, a second detachable blade and a third detachable blade.
The beneficial effect who adopts above-mentioned scheme is: a plurality of detachable blades are arranged, and each blade is respectively adaptive to different sites of the workpiece, so that the workpiece can be precisely formed and machined.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement: the shape of the first detachable blade is an equilateral triangle; three edges of the equilateral triangle are respectively three cutting edges; a fixing hole is formed in the center of the first detachable blade; the shape of the second detachable blade is rhombic; two edges of two acute angles of the rhombus are respectively blades; two acute angles of the rhombus are 20-70 degrees; a fixing hole is formed in the center of the second detachable blade; the third detachable blade is in a diamond shape; two edges of two acute angles of the rhombus are respectively blades; two acute angles of the rhombus are 20-70 degrees; a fixing hole is formed in the center of the third detachable blade; the cutting edge of a first one of the detachable blades is positioned in a horizontal plane; a second said removable blade is pointed at an acute angle downward; a third said removable blade is pointed at an acute angle downward; the detachable blades of the three cutter bodies are not all in the same horizontal plane; the detachable blades of the three cutter bodies are not all in the same cylindrical surface.
The beneficial effect who adopts above-mentioned scheme is: the first detachable blade is matched with a first processing point of a workpiece, the second detachable blade is matched with a second processing point of the workpiece, and the third detachable blade is matched with a third processing point of the workpiece, so that the workpiece is accurately processed.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement: the front cutter faces of the three cutter bodies are respectively provided with corresponding fixed notches corresponding to the shapes of the three detachable blades; the three detachable blades are respectively embedded into the fixing notches of the three cutter bodies; the three detachable blades are fixedly connected with the three cutter bodies through three screws respectively.
The beneficial effect who adopts above-mentioned scheme is: the rake face of cutter body is provided with the fixed notch that suits with removable blade, can dismantle behind the blade embedding through the screw fixation, firm in connection reduces the vibration that produces man-hour, improves the processing stability.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement: a cutting fluid hole is formed in the forming drill bit; the cutting fluid hole penetrates through the drill bit rod body and the drill bit main body; the cross section of the cutting fluid hole is circular; the drill bit body, the drill bit rod body and the cutting fluid hole are coaxial.
The beneficial effect who adopts above-mentioned scheme is: the forming drill bit is internally provided with a cutting fluid hole, and the cutting fluid is sprayed to the cutter body through the cutting fluid hole, so that the friction between the cutter body and the surface of a workpiece and cutting chips is reduced, the surface temperature of the drill bit and the workpiece is reduced, and the abrasion of the drill bit is reduced.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement: the cutting fluid hole comprises a cutting fluid main hole and a plurality of cutting fluid branch holes; the upper ends of the cutting fluid branch holes are communicated with the lower ends of the cutting fluid main holes; the upper ends of the plurality of cutting fluid distribution holes are close to the axis of the drill bit main body; the lower ends of the plurality of cutting fluid dispersion holes are offset from the axis of the drill bit body; the drill bit main body, the drill bit rod body and the cutting fluid main hole are coaxial.
The beneficial effect who adopts above-mentioned scheme is: the lower end of the cutting fluid main hole is provided with the plurality of cutting fluid sub-holes, the cutting fluid is uniformly sprayed out along each cutter body in the machining process, the spraying range of the cutting fluid is enlarged, and the lubricating and cooling effects are better.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the forming drill of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a schematic view of the machining point of the drill bit of the present invention.
Fig. 5 is a schematic structural diagram of a prior art shaped drill bit.
The reference numerals are explained below: the drill bit comprises a drill bit body 1, a drill bit rod body 2, a detachable blade 3, a first detachable blade 31, a first machining point 311, a second detachable blade 32, a second machining point 321, a third detachable blade 33, a third machining point 331, a cutting edge 3 ', a first cutting edge 3' 1, a second cutting edge 3 '2, a third cutting edge 3' 3, a cutting fluid hole 4, a cutting fluid main hole 41, a first cutting fluid branch hole 42 and a second cutting fluid branch hole 43.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the forming drill bit comprises a drill bit main body 1, wherein a plurality of chip removal grooves are formed in the side wall of the drill bit main body 1 and extend to the bottom end of the drill bit main body 1, the bottom of the drill bit main body 1 is divided into a plurality of cutter bodies, and the front cutter face of each cutter body is connected with a detachable blade 3. The utility model discloses a plurality of cutter bodies of drill bit main part bottom are connected with respectively and can dismantle the blade, and convenient maintenance when cutting edge wearing and tearing and other parts are intact is changed, reduces the use cost of drill bit.
As shown in fig. 1 and 2, there are three detachable blades 3; the three detachable blades 3 are a first detachable blade 31, a second detachable blade 32 and a third detachable blade 33. A plurality of detachable blades are arranged, each blade is respectively adaptive to different sites of a workpiece, and the machining sites of the workpiece are shown in figure 4, so that the workpiece can be precisely formed and machined.
As shown in fig. 1, the first detachable blade 31 has the shape of an equilateral triangle; three edges of the equilateral triangle are respectively three cutting edges; a fixing hole is formed at the center of the first detachable blade 31; the second detachable blade 32 is diamond shaped; two edges of two acute angles of the rhombus are respectively blades; two acute angles of the rhombus are 20-70 degrees; two acute angles of the rhombus are 30 degrees, 45 degrees and 60 degrees; a fixing hole is formed at the center of the second detachable blade 32; the third detachable blade 33 is diamond-shaped; two edges of two acute angles of the rhombus are respectively blades; two acute angles of the rhombus are 20-70 degrees; two acute angles of the rhombus are 30 degrees, 45 degrees and 60 degrees; a fixing hole is formed at the center of the third detachable blade 33; the cutting edge of the first one of said detachable blades 3 is located in a horizontal plane; a second said detachable blade 3 is pointed at an acute angle downwards; a third of said detachable blades 3 is pointed at an acute angle downwards; the three detachable blades 3 of the cutter body are not all in the same horizontal plane; the three detachable blades 3 of the cutter body are not all in the same cylindrical surface. The first detachable blade 31 is adapted to the first processing point 311 of the workpiece, the second detachable blade 32 is adapted to the second processing point 321 of the workpiece, the third detachable blade 33 is adapted to the third processing point 331 of the workpiece, and the processing point of the workpiece is as shown in fig. 4, so that the workpiece can be precisely processed.
As shown in fig. 1, two acute angles of the diamond shape are set to be 30 °, 45 °, or 60 ° according to the need of processing the workpiece. The acute angle of the diamond is 30 degrees or 60 degrees, which is the most common design, and the accurate processing of the workpiece is realized.
As shown in fig. 2, the rake faces of the three cutter bodies are respectively provided with corresponding fixed notches corresponding to the shapes of the three detachable blades 3; the three detachable blades 3 are respectively embedded into the fixed notches of the three cutter bodies; the three detachable blades 3 are fixedly connected with the three cutter bodies through three screws respectively. The rake face of cutter body is provided with the fixed notch that suits with can dismantle blade 3, can dismantle blade 3 and pass through the screw fixation after the embedding, and firm in connection reduces the vibration that produces man-hour, improves the processing stability.
As shown in fig. 1, the forming drill bit is internally provided with a cutting fluid hole 4; the cutting fluid hole 4 penetrates through the drill bit body 2 and the drill bit body 1; the cross section of the cutting fluid hole 4 is circular; the drill bit body 1, the drill bit rod body 2 and the cutting fluid hole 4 are coaxial. The inside of the forming drill bit is provided with a cutting fluid hole 4, and cutting fluid is introduced, so that the friction between the cutter body and the surface of a workpiece and cutting chips is reduced, the surface temperature of the drill bit and the workpiece is reduced, and the abrasion of the drill bit is reduced.
As shown in fig. 1, the cutting fluid holes include a cutting fluid main hole 41 and a plurality of cutting fluid branch holes; the upper ends of the plurality of cutting fluid branch holes are communicated with the lower end of the cutting fluid main hole 41; the upper ends of the plurality of cutting fluid distribution holes are close to the axis of the drill bit body 1; the lower ends of the plurality of cutting fluid distribution holes are deviated from the axis of the drill bit body 1; the drill bit body 1, the drill bit rod body 2 and the cutting fluid main hole 41 are coaxial. The lower end of the cutting fluid main hole 41 is provided with a plurality of cutting fluid sub-holes, and cutting fluid is uniformly sprayed to the cutter body along the first cutting fluid sub-hole 42 and the second cutting fluid sub-hole 43 in the machining process, so that the spraying range of the cutting fluid is enlarged, and the lubricating and cooling effects are better.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a shaping drill bit, includes drill bit main part (1), a plurality of chip grooves have been seted up to the lateral wall of drill bit main part (1), and a plurality of chip grooves extend to drill bit main part (1) bottom, divide into a plurality of cutter bodies, its characterized in that, and is a plurality of the rake face of cutter body is connected with detachable blade (3).
2. The shaping drill according to claim 1,
three detachable blades (3) are provided;
the three detachable blades (3) are respectively a first detachable blade (31), a second detachable blade (32) and a third detachable blade (33);
the shape of the first detachable blade (31) is an equilateral triangle;
three edges of the equilateral triangle are respectively three cutting edges;
a fixing hole is formed in the center of the first detachable blade (31);
the shape of the second detachable blade (32) is a rhombus;
two edges of two acute angles of the rhombus are respectively blades;
two acute angles of the rhombus are 20-70 degrees;
a fixing hole is formed in the center of the second detachable blade (32);
the third detachable blade (33) is in a diamond shape;
two edges of two acute angles of the rhombus are respectively blades;
two acute angles of the rhombus are 20-70 degrees;
a fixing hole is formed in the center of the third detachable blade (33);
the front cutter faces of the three cutter bodies are respectively provided with corresponding fixed notches corresponding to the shapes of the three detachable blades (3);
the three detachable blades (3) are respectively embedded into the fixed notches of the three cutter bodies;
the three detachable blades (3) are fixedly connected with the three cutter bodies through three screws respectively;
the cutting edge of the first detachable blade (3) is positioned in the horizontal plane;
a second said detachable blade (3) is pointed at an acute angle downwards;
a third one (3) of said detachable blades is directed at an acute angle downwards;
the detachable blades (3) of the three cutter bodies are not all in the same horizontal plane;
the detachable blades (3) of the three cutter bodies are not all in the same cylindrical surface.
3. The shaping drill according to claim 2,
a cutting fluid hole (4) is formed in the forming drill bit;
the cutting fluid hole (4) penetrates through the drill bit body (2) and the drill bit main body (1);
the cross section of the cutting fluid hole (4) is circular;
the drill bit main body (1), the drill bit rod body (2) and the cutting fluid hole (4) are coaxial;
the cutting fluid hole comprises a cutting fluid main hole (41) and a plurality of cutting fluid branch holes;
the upper ends of the cutting fluid branch holes are communicated with the lower end of the cutting fluid main hole (41);
the upper ends of the cutting fluid branch holes are close to the axis of the drill bit main body (1);
the lower ends of the plurality of cutting fluid branch holes are deviated from the axis of the drill bit main body (1);
the drill bit main body (1), the drill bit rod body (2) and the cutting fluid main hole (41) are coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130044.2U CN209867463U (en) | 2018-12-18 | 2018-12-18 | Forming drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130044.2U CN209867463U (en) | 2018-12-18 | 2018-12-18 | Forming drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209867463U true CN209867463U (en) | 2019-12-31 |
Family
ID=68945514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822130044.2U Expired - Fee Related CN209867463U (en) | 2018-12-18 | 2018-12-18 | Forming drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209867463U (en) |
-
2018
- 2018-12-18 CN CN201822130044.2U patent/CN209867463U/en not_active Expired - Fee Related
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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: 20191231 |