CN217617961U - Composite cutter and blade for drilling, rounding and chamfering - Google Patents
Composite cutter and blade for drilling, rounding and chamfering Download PDFInfo
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- CN217617961U CN217617961U CN202221661744.4U CN202221661744U CN217617961U CN 217617961 U CN217617961 U CN 217617961U CN 202221661744 U CN202221661744 U CN 202221661744U CN 217617961 U CN217617961 U CN 217617961U
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Abstract
The utility model relates to a composite cutter and a blade for drilling, rounding and chamfering, which belong to the field of cutting tools and comprise a cutter body and a blade; one end of the cutter body is provided with cutter teeth, and a plurality of cutter teeth are uniformly and alternately arranged at one end of the cutter body in a surrounding manner; each cutter tooth is provided with a step, and the blade is fixed on the step; one side of the blade facing the axis of the cutter body is provided with a groove; the blade is provided with a cutting surface, and the periphery of the cutting surface is respectively provided with an end face cutting edge, a sleeve circle cutting edge, a groove cutting edge and a chamfer cutting edge; the end face cutting edge is positioned on the outer side of the blade far away from the axis of the cutter body and is arranged along the excircle axial direction of the cutter body; the sleeve circle cutting edge is vertical to the end face cutting edge and is arranged along the radial direction of the cutter body; the groove cutting edge is positioned on the inner side of the blade close to the axis of the cutter body; and is parallel to the end face cutting edge; the chamfer cutting edge is positioned in the groove of the blade, and the extension line of the chamfer cutting edge is intersected with the axis of the cutter body. The technical problems that the existing cutters are large in number and cause high manufacturing cost and low production efficiency are solved.
Description
Technical Field
The utility model belongs to belong to the cutting tool field, a compound tool and blade of drilling cover circle chamfer is related to.
Background
The cutter is a common cutting tool in the manufacturing industry, and for a part structure with end face milling, excircle processing, grooving and chamfering requirements, the common cutter needs to adopt 4 cutters for finishing processing, namely an end face milling cutter, an excircle processing cutter, a grooving cutter and a chamfering cutter, so that the cutter is high in manufacturing cost and low in production efficiency.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a compound cutting tool and blade of drilling cover circle chamfer solves the cutter manufacturing cost height that current cutter a large amount of leads to, and production efficiency hangs down technical problem.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a composite cutter for drilling, rounding and chamfering comprises a cutter body and a blade;
one end of the cutter body is provided with a plurality of cutter teeth, and the cutter teeth are uniformly and alternately arranged at one end of the cutter body; each cutter tooth is provided with a step which is uniformly distributed in the same direction around the circumference of the cutter body, and the blade is fixed on the step;
one side of the blade facing the axis of the cutter body is provided with a groove; the blade is hook-shaped, a cutting surface is arranged on the blade, and the cutting surface is opposite to a gap between the two cutter teeth; the periphery of the cutting surface is respectively provided with an end face cutting edge, a sleeve circle cutting edge, a groove cutting edge and a chamfer cutting edge; the end face cutting edge is positioned on the outer side of the blade far away from the axis of the cutter body and is arranged along the outer circle of the cutter body in the axial direction; the sleeve round cutting edge is vertically connected with the end face cutting edge and is arranged along the radial direction of the cutter body; the groove cutting edge is positioned on the inner side of the blade close to the axis of the cutter body; and is parallel to the end face cutting edge; the chamfer cutting edge is positioned in the groove of the blade, and the extension line of the chamfer cutting edge is intersected with the axis of the cutter body.
Further, the cutter teeth are provided with 4.
Furthermore, an inner cooling hole for cooling liquid to pass through is formed in the cutter body, and the inner cooling hole is formed along the axial direction of the cutter body.
Further, the extension line of the chamfer cutting edge is 45 degrees with the intersection of the cutter body axis.
Further, the material of cutter body is QT550.
A drilling, rounding and chamfering blade is installed on a cutter body, and a groove is formed in one side, facing the axis of the cutter body, of the blade; the blade is hook-shaped, and a cutting surface is arranged on the blade; the periphery of the cutting surface is respectively provided with an end face cutting edge, a sleeve circle cutting edge, a groove cutting edge and a chamfer cutting edge; the end face cutting edge is positioned on the outer side of the blade far away from the axis of the cutter body and is arranged along the outer circle of the cutter body in the axial direction; the sleeve round cutting edge is perpendicular to the end face cutting edge and is arranged along the radial direction of the cutter body; the groove cutting edge is positioned on the inner side of the blade close to the axis of the cutter body; and is parallel to the end face cutting edge; the chamfer cutting edge is positioned in the groove of the blade, and the extension line of the chamfer cutting edge is intersected with the axis of the cutter body.
The beneficial effects of the utility model reside in that:
1) Compared with the traditional cutter, the manufacturing cost of the cutter is saved by at least 3;
2) The composite blade is utilized to perform composite processing processes such as end face milling, excircle cutting, groove cutting, forming chamfer cutting and the like on a part in processing center equipment, so that the tool changing times are reduced by 3 times, and the use and manufacture efficiency is improved by 3 times;
3) The inner cooling hole of the cutter is communicated with the front cutter face of the blade; good cooling and chip removal effects are ensured, so that the service life and the processing quality of the cutter are improved;
4) The multi-tooth structure reduces the machining allowance of each tooth, reduces the cutting force, is stable in cutting, and greatly prolongs the machining service life and the machining quality of the cutter;
5) This cutter simple structure, low in manufacturing cost, this cutter adopt processing material QT550, and the average quantity of processing part can reach 20000 pieces/handle, reduces part singleness processing cost by a wide margin.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a first schematic view of a composite cutting tool for drilling, rounding and chamfering;
FIG. 2 is a schematic diagram of a composite cutting tool for drilling, rounding and chamfering;
FIG. 3 is a schematic view of the cutting face of the insert shown at A in FIG. 2;
FIG. 4 is a schematic plan view of a part being machined;
FIG. 5 is a schematic drawing of the outer cylindrical machining of a part;
FIG. 6 is a schematic view of a groove chamfer machining of a part;
FIG. 7 is a cross-sectional view of a part and tool with a groove chamfer;
fig. 8 is a schematic view of the machined part.
Reference numerals: the cutter body 1, the blade 2, the inner cooling hole 3, the edge 4 of cover circle, the terminal surface cutting edge 5, the slot cutting edge 6, the chamfer cutting edge 7, sword tooth 101.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-8, a composite cutting tool for drilling, rounding and chamfering comprises a tool body 1 and a cutting blade 2. One end of the cutter body 1 is provided with a plurality of cutter teeth 101, and the cutter teeth 101 are uniformly arranged at intervals and surround one end of the cutter body 1; each cutter tooth 101 is provided with steps which are uniformly distributed around the circumference of the cutter body 1 in the same direction. The blade 2 is fixed on the step; one side of the blade 2 facing the axis of the cutter body 1 is provided with a groove to form a hook-shaped blade; the blade 2 is provided with a cutting surface which is opposite to the gap between the two cutter teeth 101; the periphery of the cutting surface is respectively provided with an end face cutting edge 5, a sleeve circle cutting edge 4, a groove cutting edge 6 and a chamfer cutting edge 7; the end face cutting edge 5 is positioned on the outer side of the blade 2 far away from the axis of the cutter body 1 and is arranged along the outer circle of the cutter body 1 in the axial direction; the sleeve circle cutting edge 4 is vertical to the end face cutting edge 5 and is arranged along the radial direction of the cutter body 1; the groove cutting edge 6 is positioned on the inner side of the blade 2 close to the axis of the cutter body 1; and parallel to the end face cutting edge 5; the chamfer cutting edge 7 is positioned in the groove of the blade 2, and the extension line of the chamfer cutting edge 7 intersects with the axis of the cutter body 1.
The cutter body 1 is internally provided with an inner cooling hole 3 for cooling liquid to pass through, and the inner cooling hole 3 is axially formed along the cutter body 1. Can ensure good cooling and chip removal effects, thereby prolonging the service life of the cutter and improving the processing quality.
In the embodiment, 4 cutter teeth 101 are provided, and each tooth is connected with a blade 2; the cutter machining allowance is reduced, the cutting force is reduced, the cutting is stable, and the cutter machining service life and the machining quality are greatly prolonged. The extension line of the chamfer cutting edge 7 is 45 degrees with the axis of the cutter body 1, and the chamfer angle can be adjusted according to the processing requirement. The cutter body 1 is made of QT550, the strength is proper and the processing cost is low.
The embodiment also discloses a drilling and rounding chamfer blade 2 which is arranged on the cutter body 1. The concrete structure is as follows: one side of the blade 2 facing the axis of the cutter body 1 is provided with a groove; the blade is hook-shaped; the blade 2 is provided with a cutting surface; the periphery of the cutting surface is respectively provided with an end face cutting edge 5, a sleeve circle cutting edge 4, a groove cutting edge 6 and a chamfer cutting edge 7; the end face cutting edge 5 is positioned on the outer side of the blade 2 far away from the axis of the cutter body 1 and is arranged along the outer circle of the cutter body 1 in the axial direction; the circle-sleeved cutting edge 4 is perpendicular to the end face cutting edge 5 and is arranged along the radial direction of the cutter body 1; the groove cutting edge 6 is positioned on the inner side of the blade 2 close to the axis of the cutter body 1; and parallel to said end cutting edge 5; the chamfer cutting edge 7 is located in the groove of the insert 2, and the extension of the chamfer cutting edge 7 intersects the axis of the cutter body 1.
Referring to fig. 4-8, for specific processing steps,
in a first step, the tool is fed in a horizontal direction, as shown in fig. 4, and the upper plane of the part is machined by the end face cutting edge 5. And secondly, as shown in fig. 5, the cutter moves in a feeding mode along the vertical direction, the excircle surface of the part is machined through a rounding cutting edge 4 of the cutter, and thirdly, as shown in fig. 6 and 7, the cutter moves horizontally in a feeding mode, a groove cutting edge 6 of the cutter cuts to the bottom of a groove in the radial direction, the axis of the cutter is staggered with the axis of the machined part, then the cutter rotates around the cutter to cut, and the blade 2 on each tooth moves in an interpolation mode along the circumferential direction, so that the groove cutting edge 6 and the chamfer cutting edge 7 on the cutter complete groove and chamfer machining of the part.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a compound cutting tool of drilling cover circle chamfer which characterized in that: comprises a cutter body and a blade;
one end of the cutter body is provided with a plurality of cutter teeth, and the cutter teeth are uniformly and alternately arranged at one end of the cutter body; each cutter tooth is provided with a step which is uniformly distributed in the same direction around the circumference of the cutter body, and the blade is fixed on the step;
one side of the blade facing the axis of the cutter body is provided with a groove, and the blade is hook-shaped; the blade is provided with a cutting surface, and the cutting surface is opposite to a gap between the two cutter teeth; the periphery of the cutting surface is respectively provided with an end face cutting edge, a sleeve circle cutting edge, a groove cutting edge and a chamfer cutting edge; the end face cutting edge is positioned on the outer side of the blade far away from the axis of the cutter body and is arranged along the outer circle of the cutter body in the axial direction; the sleeve circle cutting edge is vertically connected with the end face cutting edge and is arranged along the radial direction of the cutter body; the groove cutting edge is positioned on the inner side of the blade close to the axis of the cutter body; and parallel to the end face cutting edge; the chamfer cutting edge is positioned in the groove of the blade, and the extension line of the chamfer cutting edge is intersected with the axis of the cutter body.
2. The composite cutting tool for drilling, rounding and chamfering according to claim 1, wherein: the sword tooth is equipped with 4.
3. The composite tool for drilling, rounding and chamfering according to claim 1, wherein: an inner cooling hole for cooling liquid to pass through is formed in the cutter body, and the inner cooling hole is formed along the axial direction of the cutter body.
4. The composite tool for drilling, rounding and chamfering according to claim 1, wherein: the extension line of the chamfer cutting edge is 45 degrees with the intersection of the cutter body axis.
5. The composite cutting tool for drilling, rounding and chamfering according to claim 1, wherein: the material of the cutter body is QT550.
6. The utility model provides a blade of drilling cover circle chamfer, with the cooperation of cutter body, its characterized in that: a groove is formed in one side, facing the axis of the cutter body, of the blade; the blade is hook-shaped, and a cutting surface is arranged on the blade; the periphery of the cutting surface is respectively provided with an end face cutting edge, a sleeve circle cutting edge, a groove cutting edge and a chamfer cutting edge; the end face cutting edge is positioned on the outer side of the blade far away from the axis of the cutter body and is arranged along the outer circle of the cutter body in the axial direction; the sleeve round cutting edge is vertically connected with the end face cutting edge and is arranged along the radial direction of the cutter body; the groove cutting edge is positioned on the inner side of the blade close to the axis of the cutter body; and is parallel to the end face cutting edge; the chamfer cutting edge is positioned in the groove of the blade, and the extension line of the chamfer cutting edge is intersected with the axis of the cutter body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221661744.4U CN217617961U (en) | 2022-06-29 | 2022-06-29 | Composite cutter and blade for drilling, rounding and chamfering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221661744.4U CN217617961U (en) | 2022-06-29 | 2022-06-29 | Composite cutter and blade for drilling, rounding and chamfering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217617961U true CN217617961U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221661744.4U Active CN217617961U (en) | 2022-06-29 | 2022-06-29 | Composite cutter and blade for drilling, rounding and chamfering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217617961U (en) |
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2022
- 2022-06-29 CN CN202221661744.4U patent/CN217617961U/en active Active
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