CN219648776U - Drilling and milling composite cutter for kidney-shaped holes - Google Patents
Drilling and milling composite cutter for kidney-shaped holes Download PDFInfo
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- CN219648776U CN219648776U CN202223466775.7U CN202223466775U CN219648776U CN 219648776 U CN219648776 U CN 219648776U CN 202223466775 U CN202223466775 U CN 202223466775U CN 219648776 U CN219648776 U CN 219648776U
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- cutter
- milling
- drilling
- kidney
- cutter body
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- 238000003801 milling Methods 0.000 title claims abstract description 67
- 238000005553 drilling Methods 0.000 title claims abstract description 52
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 210000003734 kidney Anatomy 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a kidney-shaped hole drilling and milling composite cutter, which comprises a cutter body, wherein one end of the cutter body is connected with a cutter handle, the side surface of the cutter body is provided with spiral grooves, an auxiliary rear cutter surface is arranged between two adjacent spiral grooves, the top end of the auxiliary rear cutter surface is provided with a drilling blade, the side surface of the auxiliary rear cutter surface is provided with a milling blade, the adjacent spiral grooves adopt a high-low spiral groove structure, the end part is a centering structure, the head of the cutter body adopts a centering drill point structure, the positioning precision of the kidney-shaped hole under a complex working condition is higher, the spiral grooves on the side surface of the cutter body adopt a high-low spiral groove structure, the number of the cutting edges is increased, the core diameter of the cutter is increased, the core strength of the cutter is increased, the milling capability of the cutter is improved, and the cutter combines two functions of drilling and milling and the machining efficiency of the kidney-shaped hole is improved.
Description
Technical Field
The utility model belongs to the technical field of drilling and milling tools, and particularly relates to a drilling and milling composite cutter for kidney-shaped holes.
Background
Milling tools are rotary tools for milling machining having one or more cutter teeth. When in operation, each cutter tooth cuts off the allowance of the workpiece intermittently in sequence. Milling cutters are mainly used for machining planes, steps, grooves, forming surfaces, cutting workpieces, etc. on milling machines.
The waist-shaped hole is an oblong hole specially processed as a baffle plate, a positioning plate and a template for adjusting the distance between the left, right, front and back, and the waist-shaped hole is processed because the distance to be adjusted has uncertainty, so that the positioning size can be conveniently adjusted in use
At present, two methods of machining kidney-shaped holes are mainly adopted, namely a layer milling method and a drilling side milling method, as shown in fig. 1 and 2, wherein the layer milling method is complete milling, and the drilling side milling method is first drilling and then side milling, but the efficiency of the layer milling method is low, and the method is not suitable for mass production; the drilling and side milling modes are firstly adopted, two cutters are needed to finish drilling and side milling respectively, and the cutter changing time and the cutter position requirement of the machine tool are increased.
Disclosure of Invention
The utility model aims to provide a composite drilling and milling cutter for kidney-shaped holes, which aims to solve the problem of low processing efficiency caused by using two cutters for layer-by-layer milling or first drilling and then side milling of only milling cutters in the kidney-shaped holes processing process in the prior art.
In order to solve the problems, the utility model adopts the following technical scheme;
the utility model provides a kidney-shaped hole is with boring and milling compound sword, includes the cutter body, cutter body one end is connected with the handle of a knife, the cutter body side is opened there is the helicla flute, is equipped with vice back sword face between two adjacent helicla flute, and the top of vice back sword face is equipped with the drilling sword, and the side of vice back sword face is equipped with the milling sword, and adjacent helicla flute adopts high and low helicla flute structure, and the cutter body tip is centering structure.
Further, the cutter body and the cutter handle are of an integrated structure.
Further, four spiral grooves are formed in the side face of the cutter body.
Further, the number of the milling edges is 4, and a positive rake angle of 5-10 degrees exists between the milling edges and the spiral groove.
Further, the number of the drilling edges is 2.
Further, the included angle between the two drilling edges is 90 degrees to 140 degrees.
Further, the angle between the two adjacent pairs of clearance surfaces is adjustable.
Further, the cutter body is made of hard alloy.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model relates to a kidney-shaped hole drilling and milling composite cutter, which is characterized in that spiral grooves are formed in the side face of a cutter body, an auxiliary rear cutter face is arranged between two adjacent spiral grooves, milling edges are arranged on the side face of the auxiliary rear cutter face, drilling edges are arranged at the top end of a head, the adjacent spiral grooves adopt a high-low spiral groove structure, the number of the side milling edges is increased, the core diameter of the cutter body is increased, the strength of the cutter body is further improved, the milling capability is greatly improved, in addition, the head of the cutter body adopts a centering drill point structure, the positioning precision of the kidney-shaped hole under a complex working condition is higher, the two functions of drilling and milling are perfectly integrated, the milling edges and the drilling edges are integrated into a whole, the kidney-shaped hole is simply and efficiently processed, and the kidney-shaped hole processing efficiency is greatly improved by using the cutter.
Preferably, the drilling edges at the head part of the top end of the cutter body are arranged at a certain included angle, so that the drilling efficiency of the cutter is improved.
Preferably, the drilling edge and the milling edge of the cutter are subjected to relief angle treatment, so that the cutting capability of the cutter and the smoothness of a workpiece are improved.
Drawings
Fig. 1 is a schematic diagram of a conventional layer milling method.
Fig. 2 is a schematic diagram of a conventional drilling and side milling method.
Fig. 3 is a diagram of a machining path of a composite drilling and milling cutter for kidney holes in an embodiment of the utility model.
Fig. 4 is a front view of a kidney hole milling and drilling composite cutter according to an embodiment of the present utility model.
Fig. 5 is an enlarged view of a kidney hole-shaped composite drilling and milling cutter T according to an embodiment of the present utility model.
In the figure, 1, a knife handle; 2. a cutter body; 3. shallow spiral grooves; 4. an auxiliary rear cutter surface; 5. milling the edge; 6. drilling a blade; 7. core diameter; 8. deep spiral grooves.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As shown in fig. 4 and 5, a kidney-shaped hole drilling and milling composite cutter comprises a cutter body 2, wherein the end part of the cutter body 2 is connected with a cutter handle 1, spiral grooves are formed in the side face of the cutter body 2, a high-low spiral groove structure is adopted in adjacent spiral grooves, an auxiliary rear cutter face 4 is arranged between two adjacent spiral grooves, a drilling blade 6 is arranged at the top end of the head of the auxiliary rear cutter face 4, a milling cutter 5 is arranged on the side face of the auxiliary rear cutter face 4, and a centering structure is adopted at the top end of the head of the cutter body 2.
Specifically, the spiral groove includes adjacent shallow spiral groove 3 and dark spiral groove 8, the purpose that cutter body 2 side spiral groove adopted high and low spiral groove structure has both increased the number of cutting edge, thereby improved the core diameter 7 of cutter again and increased core intensity, improved milling capability, the head top of cutter body 2 adopts centering structure, improved the centering drilling ability of cutter, make the cutter also can guarantee higher position degree at complicated surface drilling of waiting to process, this cutter will bore and mill two major functions integration, the cutter adopts high and low spiral groove design and head centering design for the cutter is to the processing of kidney-shaped hole under the complicated operating mode, has improved kidney-shaped hole's machining efficiency.
As shown in fig. 3-5, the cutter body 2 and the cutter handle 1 are of an integrated structure, 4 spiral grooves 3 are formed in the cutter body 2, 4 milling edges 5 are formed on the side face of the cutter body 2, a positive front angle of 5-10 degrees is formed between the milling edges 5 and the spiral grooves, 2 drilling edges 6 are formed at the bottom of the cutter body 2, in addition, the angles between two adjacent pairs of rear cutter faces are adjustable, namely, the angles between the adjacent milling edges 5 and the drilling edges 6 are adjustable, and the two drilling edges 6 are arranged at 90-140 degrees, so that the drilling capability of the cutter is improved.
In order to improve the strength of the cutter, besides adopting a high-low spiral groove structure for the spiral groove 3, the cutter body 2 is made of hard alloy, and relief angle treatment is carried out on the milling edge 5 and the drilling edge 6, so that the cutter has sharp side edges, and the cutting capability of the cutter and the smoothness of a workpiece are improved.
The specific working process is as follows;
1. clamping the drill milling cutter handle by using a hydraulic cutter handle or a spring cutter handle and the like in the same clamping mode as the end milling cutter;
2. performing tool setting on a machine tool;
3. the workpiece is drilled through by using the drilling edges 6 of the tool, wherein at the moment, mainly two drilling edges 6 participate in cutting, and the deep spiral groove 8 participates in chip removal (the shallow spiral groove 3 does not participate in chip removal); the milling edge 5 basically does not participate in cutting and only plays a guiding role;
4. after drilling, four milling edges 5 are used for transverse milling, at the moment, the drilling edges 6 do not participate in cutting, kidney-shaped milling is mainly completed by the four milling edges 5, and at the moment, the deep spiral grooves 8 and the shallow spiral grooves 3 participate in chip removal;
6. and (5) lifting the cutter after milling is completed, and finishing machining the kidney-shaped hole.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a kidney-shaped hole is with boring and milling compound sword, its characterized in that, including cutter body (2), cutter body (2) one end is connected with handle of a knife (1), open the side of cutter body (2) has the helicla flute, is equipped with vice back sword face (4) between two adjacent helicla flute, and the top of vice back sword face (4) is equipped with drilling sword (6), and the side of vice back sword face (4) is equipped with mills sword (5), and adjacent helicla flute adopts high-low helicla flute structure, and cutter body (2) tip is centering structure.
2. The kidney-shaped hole drilling and milling composite cutter according to claim 1, wherein the cutter body (2) and the cutter handle (1) are of an integrated structure.
3. The kidney-shaped hole drilling and milling composite cutter according to claim 2, wherein four spiral grooves are formed in the side face of the cutter body (2).
4. A composite kidney hole drilling and milling cutter according to claim 1, characterized in that the number of milling edges (5) is 4, and that a positive rake angle of 5 ° -10 ° is present between the milling edges (5) and the helical groove.
5. A kidney hole milling and drilling composite cutter according to claim 1, characterized in that the number of drilling edges (6) is 2.
6. A kidney hole drilling and milling composite cutter according to claim 5, characterized in that the angle between the two drilling edges (6) is 90 ° -140 °.
7. A composite kidney hole drilling and milling cutter according to claim 1, wherein the angle between the adjacent pairs of relief surfaces (4) is adjustable.
8. The kidney-shaped hole drilling and milling composite cutter according to claim 1, wherein the cutter body (2) is made of cemented carbide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223466775.7U CN219648776U (en) | 2022-12-24 | 2022-12-24 | Drilling and milling composite cutter for kidney-shaped holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223466775.7U CN219648776U (en) | 2022-12-24 | 2022-12-24 | Drilling and milling composite cutter for kidney-shaped holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219648776U true CN219648776U (en) | 2023-09-08 |
Family
ID=87862851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223466775.7U Active CN219648776U (en) | 2022-12-24 | 2022-12-24 | Drilling and milling composite cutter for kidney-shaped holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219648776U (en) |
-
2022
- 2022-12-24 CN CN202223466775.7U patent/CN219648776U/en active Active
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