CN214443315U - Composite efficient self-chip-breaking drilling tool - Google Patents
Composite efficient self-chip-breaking drilling tool Download PDFInfo
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- CN214443315U CN214443315U CN202023108990.0U CN202023108990U CN214443315U CN 214443315 U CN214443315 U CN 214443315U CN 202023108990 U CN202023108990 U CN 202023108990U CN 214443315 U CN214443315 U CN 214443315U
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Abstract
The utility model relates to a drilling tool technical field, concretely relates to compound high-efficient from chip breaking drilling tool. The utility model discloses a handle of a knife, the connection of handle of a knife one end is provided with the cutter body, the cutter body includes helicla flute and cutting face, cutting face terminal surface all is provided with the step, step one end is provided with the tool bit. The utility model has the advantages of reasonable and simple structure, the simple operation is installed the handle of a knife on the machining center, and the tool bit carries out rotatory drilling to the work piece, and the rectangular metal fillings that the drilling produced remove to step department along the tool bit, and rectangular metal fillings will be extruded by the step to reach the function of chip breaking, crowded disconnected metal fillings pass through the helicla flute and discharge, can avoid the metal fillings winding on the cutter, thereby improve the efficiency of production and the life of cutter.
Description
Technical Field
The utility model relates to a drilling tool technical field, concretely relates to compound high-efficient from chip breaking drilling tool.
Background
Drilling is a rough machining method of holes, and a workpiece to be machined is usually placed in a machining center or a lathe, and a drill is used for drilling the workpiece. The drill bit can produce the metal fillings when drilling man-hour, and the metal fillings can twine on the cutter for the workman need clear up it, can reduce the efficiency of production like this, still can destroy the performance of cutter work simultaneously, thereby can wear and tear the cutter, reduce the life-span of cutter.
The above problems are problems that the art needs to solve.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a compound high-efficient from chip breaking drilling tool, can make the cutter at drilling process, carry out crowded disconnected to the metal fillings that produce, avoid the metal fillings winding on the cutter to improve the efficiency of production, improve the life of cutter simultaneously.
In order to solve the technical problem, the utility model provides a scheme is: the utility model provides a compound high-efficient from chip breaking drilling tool, includes the handle of a knife, handle of a knife one end is connected and is provided with the cutter body, the cutter body includes helicla flute and cutting face, cutting face terminal surface all is provided with the step, step one end is provided with the tool bit.
As a further improvement of the utility model, the tool bit include with the spigot surface that the step is connected, spigot surface one end is provided with the cutting edge.
As the utility model discloses a further improve the utensil, be provided with the guide way on the spigot surface, guide way one end is towards the cutting edge, the guide way other end is towards the step.
As a further improvement of the utility model, the guide surface is located guide way department is provided with the chip groove.
As a further improvement of the utility model, the width of the step is 0.45mm-0.55 mm.
As a further improvement of the utility model, two the distance between the steps is defined as L, and the value of L is 0.05mm-0.15 mm.
As a further improvement, the surface of the knife body, the step and the knife head is processed by mirror surface.
As a further improvement of the utility model, the surface finish of the knife body, the steps and the knife head is less than 0.1.
The utility model has the advantages that:
the utility model has the advantages of reasonable and simple structure, the simple operation is installed the handle of a knife on the machining center, and the tool bit carries out rotatory drilling to the work piece, and the rectangular metal fillings that the drilling produced remove to step department along the tool bit, and rectangular metal fillings will be extruded by the step to reach the function of chip breaking, crowded disconnected metal fillings pass through the helicla flute and discharge, can avoid the metal fillings winding on the cutter, thereby improve the efficiency of production and the life of cutter.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a side view of the present invention.
Reference numerals: 1. a knife handle; 2. a cutter body; 201. a helical groove; 202. cutting the surface; 3. a step; 4. a cutter head; 401. a guide surface; 4011. a guide groove; 402. a blade; 403. a chip groove.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1, the utility model discloses an embodiment, including handle of a knife 1, the connection of 1 one end of handle of a knife is provided with cutter body 2, cutter body 2 includes helicla flute 201 and cutting face 202, cutting face 202 terminal surface all is provided with step 3, 3 one ends of step are provided with tool bit 4, install handle of a knife 1 on machining center, tool bit 4 carries out rotary drilling to the work piece, the rectangular metal fillings that the drilling produced remove to step 3 department along tool bit 4, rectangular metal fillings will be extruded by step 3, thereby reach the function of chip breaking, crowded disconnected metal fillings passes through helicla flute 201 and discharges, can avoid the metal fillings winding on the cutter, thereby improve the efficiency of production and the life of cutter.
In this embodiment, tool bit 4 includes the spigot surface 401 of being connected with step 3, spigot surface 401 one end is provided with cutting edge 402, is provided with guide way 4011 on the spigot surface 401 simultaneously, and guide way 4011 one end is towards cutting edge 402, and the guide way 4011 other end is towards step 3, and cutting edge 402 drills the work piece, and the metal fillings that cutting edge 402 department produced can remove to step 3 department along guide way 4011, carry out the chip breaking through step 3.
In the present embodiment, in order to enable the crushed metal chips to be smoothly discharged along the spiral groove 201, a chip discharge groove 403 is provided on the guide surface 401 at the guide groove 4011, so that the metal chips move along the chip discharge groove 403 to the spiral groove 201 to be discharged. In order to improve the accuracy of drilling, the width of the step 3 is set between 0.45mm and 0.55mm, and the distance between two steps 3 is defined as L, and the value of L is set between 0.05mm and 0.15 mm.
In actual production, diamond particles and rubber pills are mixed according to a certain proportion, high-pressure gas is used for spraying, and the surfaces of the cutter body 2, the step 3 and the cutter head 4 are subjected to surface mirror surface treatment, so that the degree of finish is less than 0.1, and the smoothness of chip removal can be improved.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. The utility model provides a compound high-efficient from chip breaking drilling tool, its characterized in that, includes handle of a knife (1), handle of a knife (1) one end is connected and is provided with cutter body (2), cutter body (2) are including helicla flute (201) and cutting face (202), cutting face (202) terminal surface all is provided with step (3), step (3) one end is provided with tool bit (4).
2. A composite high efficiency self-breaking chip drilling tool as claimed in claim 1, characterized in that said cutting head (4) comprises a guide surface (401) connected to said step (3), said guide surface (401) being provided with a cutting edge (402) at one end.
3. The composite high-efficiency self-breaking chip drilling tool as claimed in claim 2, wherein a guide groove (4011) is arranged on the guide surface (401), one end of the guide groove (4011) faces to the cutting edge (402), and the other end of the guide groove (4011) faces to the step (3).
4. A composite high efficiency self-breaking chip drilling tool as claimed in claim 3, characterized in that a chip groove (403) is provided on the guide surface (401) at the guide groove (4011).
5. A composite high efficiency self-breaking chip drilling tool as claimed in claim 1, characterized in that the width of the step (3) is 0.45-0.55 mm.
6. A composite high efficiency self-breaking chip drilling tool as claimed in claim 1, characterized in that the distance between two said steps (3) is defined as L, said L having a value of 0.05mm-0.15 mm.
7. The composite high-efficiency self-breaking chip drilling tool as claimed in claim 1, wherein the surfaces of the tool body (2), the step (3) and the tool bit (4) are mirror-finished.
8. A composite efficient self-breaking drilling tool as claimed in claim 6, characterized in that the surface finish of the tool body (2), the step (3) and the tool bit (4) is less than 0.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023108990.0U CN214443315U (en) | 2020-12-21 | 2020-12-21 | Composite efficient self-chip-breaking drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023108990.0U CN214443315U (en) | 2020-12-21 | 2020-12-21 | Composite efficient self-chip-breaking drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214443315U true CN214443315U (en) | 2021-10-22 |
Family
ID=78191630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023108990.0U Active CN214443315U (en) | 2020-12-21 | 2020-12-21 | Composite efficient self-chip-breaking drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214443315U (en) |
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2020
- 2020-12-21 CN CN202023108990.0U patent/CN214443315U/en active Active
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