CN214815165U - Step milling cutter disc - Google Patents
Step milling cutter disc Download PDFInfo
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- CN214815165U CN214815165U CN202120584626.7U CN202120584626U CN214815165U CN 214815165 U CN214815165 U CN 214815165U CN 202120584626 U CN202120584626 U CN 202120584626U CN 214815165 U CN214815165 U CN 214815165U
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Abstract
The step milling cutter comprises a cutter head, cutting teeth, a clamping disc and blades, wherein the cutter head comprises a first cutter head and a second cutter head, the diameter of the second cutter head is larger than that of the first cutter head, the first cutter head and the clamping disc are fixedly arranged on the front end face and the rear end face of the second cutter head respectively, and the first cutter head, the second cutter head and the clamping disc are concentrically arranged and integrally formed; the first cutter disc and the second cutter disc are provided with a plurality of cutting teeth along the outer circumferences of the first cutter disc and the second cutter disc, each cutting tooth is fixedly provided with a blade, a circle of chamfering cutting part is arranged at the joint of the first cutter disc and the second cutter disc, the chamfering cutting part comprises a plurality of chamfering cutter seats which are distributed around the axis at equal angles, the inclination of all the chamfering cutter seats is consistent, and each chamfering cutter seat is fixedly connected with one chamfering blade; the step milling cutter disc can mill and form a plurality of steps and chamfers at the inner corners of the steps at one time, and has high machining precision and machining efficiency.
Description
Technical Field
The utility model belongs to the machining cutter field, concretely relates to step facing cutter.
Background
In machining, there are many parts with steps, and these parts are mainly used in fitting, positioning, supporting and driving, so that there are high requirements on dimensional accuracy, shape and position accuracy, surface roughness, etc. Step part adopts the milling machine to carry out milling process usually, and current processing mode adopts the disc milling cutter to carry out the segmentation of dividing to milling instead of the processing blank, by high to low processing step by step, like this with regard to inevitable needs counterpoint many times, influence precision and machining efficiency, to the part that step reentrant corner department needs chamfer processing moreover, traditional milling mode is difficult for processing, and is very high to operating personnel's processing technology requirement, the improper easy great machining error that produces leads to the blank to scrap.
Disclosure of Invention
The weak point to prior art, the utility model provides a can once mill fashioned step facing cutter to multistage step, this facing cutter still has the function that mills step reentrant corner department chamfer simultaneously, and it mills precision and efficiency and all is higher than traditional processing mode.
The technical scheme of the utility model as follows: the step milling cutter comprises a cutter head, cutting teeth, a clamping disc and blades, wherein the cutter head comprises a first cutter head and a second cutter head, the diameter of the second cutter head is larger than that of the first cutter head, the first cutter head and the clamping disc are respectively and fixedly arranged on the front end surface and the rear end surface of the second cutter head, and the first cutter head, the second cutter head and the clamping disc are concentrically arranged and integrally formed; first blade disc and second blade disc all are equipped with a plurality of cutting teeth along its outer circumference, and fixed mounting has the blade on every cutting tooth, and the junction of first blade disc and second blade disc is equipped with round chamfer cutting portion, and chamfer cutting portion includes a plurality of chamfer blade holders that angular distribution such as axle center, and all chamfer blade holders gradient are unanimous, fixedly connected with a chamfer blade on every chamfer blade holder. In this scheme, first blade disc, second blade disc and chamfer blade holder are integrated into one piece spare, and milling process can be simultaneously to the chamfer one shot forming of two steps and step reentrant corner department, improve machining efficiency and machining precision.
Furthermore, a clamping hole communicated with the clamping disc is formed in the center of the second cutter disc, a round hole is also formed in the center of the front end face of the first cutter disc, and the clamping hole is communicated with the round hole through a small hole. The clamping hole is used for clamping the cutter disc on the milling machine.
Furthermore, four blade sets are arranged on the periphery of the first cutter disc, the four blade sets are distributed around the circle center at equal angles, each blade set is composed of a front blade and a rear blade which are arranged in a staggered manner, and the front blade and the rear blade are overlapped in a staggered manner in the axial direction. The front blade and the rear blade cover the thickness of the first cutter head in length, so that the first cutter head can be completely eaten into a blank during milling, the step width which can be milled by the first cutter head is the thickness of the first cutter head, and in a turning position, the front blade and the rear blade are staggered to maximize the cutting force which is exerted on the two blades averagely, so that the front blade at the front end is prevented from cracking.
Furthermore, the front cutter blade and the rear cutter blade are fixedly installed on the outer peripheral surface of the first cutter head by using screws. The blade is mounted by using a screw, so that the blade is convenient to directly replace when damaged.
Furthermore, the number of the chamfer tool holders is four, each chamfer tool holder is arranged between two adjacent blade groups, and the chamfer tool holders and the front and rear blade groups are staggered in the circumferential direction.
Furthermore, the included angle between the chamfering tool apron and the chamfering blade arranged on the chamfering tool apron and the central shaft of the cutter head is 50 degrees.
Furthermore, eight cutting parts are arranged on the outer peripheral surface of the second cutter head at equal angles, each cutting part is provided with a cutting blade, and the side edge of each cutting blade protrudes out of the front end surface of the second cutter head.
Furthermore, the diameter of the clamping disc is smaller than that of the second cutter disc, and the joint of the second cutter disc and the clamping disc is in a smooth transition shape.
Furthermore, the thickness of the first cutter disc, the second cutter disc and the clamping disc which are integrally formed is 50 mm.
Further, the diameter of the clamping hole is 27 mm.
Compared with the prior art, the beneficial effects of the utility model are that: the step milling cutter disc of the utility model is provided with two cutter discs with different diameters, and the two cutter discs are an integrated piece which has the same rotating central shaft, thereby ensuring that the concentricity of the two cutter discs is the same circle center and the concentricity of the step surface of the workpiece; when the steps are milled, the stepped milling cutter disc comprises two milling cutter discs, one step can be milled and molded at one time without repeated tool setting, and the precision and the processing efficiency are far higher than those of the prior art; in addition, a chamfering blade is arranged between the two cutter heads, so that a required chamfer can be directly milled at the internal corner of the step when the step is milled, and the problem that the chamfer at the internal corner is difficult to process is solved.
Drawings
FIG. 1 is a three-dimensional structure view of the step milling cutter of the present invention;
FIG. 2 is a front end face structure view of the step milling cutter of the present invention;
FIG. 3 is an axial view of the step milling cutter head of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
labeled as: the cutter head 1, the first cutter disc 11, the blade group 112, the front blade 112-a, the rear blade 112-b, the second cutter disc 12, the clamping hole 121, the cutting part 122, the cutting blade 122-a, the clamping disc 2, the chamfering blade seat 3 and the chamfering blade 31.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1-4 the utility model discloses step milling cutter dish, including blade disc 1 and clamping dish 2, blade disc 1 comprises first blade disc 11 and second blade disc 12, and first blade disc 11 and clamping dish 2 are fixed respectively and are set up preceding terminal surface and the rear end face at second blade disc 12, and second blade disc 12 diameter is greater than first blade disc 11, and clamping dish 2 diameter is less than second blade disc 12 diameter, and second blade disc 12 is slick and sly transitional shape with clamping dish 2 junction, first blade disc 11, second blade disc 12 and clamping dish 2 set up and integrated into one piece with one heart, and its thickness is 50 mm.
Four blade groups 112 are arranged on the periphery of the first cutter disc 11, the four blade groups 112 are distributed around the circle center at equal angles, each blade group 112 is composed of a front blade 112-a and a rear blade 112-b which are arranged in a staggered tooth manner, and the front blade 112-a and the rear blade 112-b are overlapped in a staggered tooth manner in the axial direction.
The connecting part of the first cutter disc 11 and the second cutter disc 12 is provided with a circle of chamfering cutting part, the chamfering cutting part comprises a plurality of chamfering cutter seats 3 which are distributed around the axis at equal angles, the inclination of all the chamfering cutter seats 3 is consistent, and each chamfering cutter seat 3 is fixedly connected with a chamfering blade 31. Specifically, the number of the chamfer tool holders 3 is four, each chamfer tool holder 3 is arranged between two adjacent blade groups 112, and the chamfer tool holders 3 are mutually staggered with the front and rear blade groups 112 in the circumferential direction. Furthermore, the included angle between the chamfering tool holder 3 and the chamfering blade 31 mounted on the chamfering tool holder and the central shaft of the cutter head is 50 degrees.
Eight cutting parts 122 are arranged on the outer peripheral surface of the second cutter disc 12 at equal angles, each cutting part 122 is provided with a cutting blade 122-a, and the side edge of each cutting blade 122-a protrudes out of the front end surface of the second cutter disc 12.
The center of the second cutter disc 12 is provided with a clamping hole 121 communicated with the clamping disc 2, the diameter of the clamping hole 121 is 27mm, and the clamping hole 121 is communicated with the round hole 1 through a small hole. The front blade 112-a and the rear blade 112-b are fixedly coupled to the outer circumferential surface of the first cutter head 11 by screws.
The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. Step milling cutter dish includes blade disc, cutting tooth, dress (holding) chuck and blade, its characterized in that: the cutter comprises a first cutter and a second cutter, the diameter of the second cutter is larger than that of the first cutter, the first cutter and the clamping disc are respectively and fixedly arranged on the front end face and the rear end face of the second cutter, and the first cutter, the second cutter and the clamping disc are concentrically arranged and integrally formed; first blade disc and second blade disc all are equipped with a plurality of cutting teeth along its outer circumference, and fixed mounting has the blade on every cutting tooth, and the junction of first blade disc and second blade disc is equipped with round chamfer cutting portion, and chamfer cutting portion includes a plurality of chamfer blade holders that angular distribution such as axle center, and all chamfer blade holders gradient are unanimous, fixedly connected with a chamfer blade on every chamfer blade holder.
2. The step milling cutter disc of claim 1, wherein: the center of the second cutter is provided with a clamping hole communicated with the clamping disc, the center of the front end face of the first cutter is also provided with a round hole, and the clamping hole is communicated with the round hole through a small hole.
3. The step milling cutter disc of claim 2, wherein: four blade sets are arranged on the periphery of the first cutter disc, the four blade sets are distributed around the circle center at equal angles, each blade set is composed of a front blade and a rear blade which are arranged in a staggered manner, and the front blade and the rear blade are overlapped in a staggered manner in the axial direction.
4. The step milling cutter disc of claim 3, wherein: the front blade and the rear blade are fixedly arranged on the peripheral surface of the first cutter head by screws.
5. The step milling cutter disc of claim 3, wherein: the number of the chamfer tool seats is four, each chamfer tool seat is arranged between two adjacent blade sets, and the chamfer tool seats and the front and rear blade sets are mutually staggered in the circumferential direction.
6. The step milling cutter disc of claim 5, wherein: and the included angle between the chamfering tool apron and the chamfering blade arranged on the chamfering tool apron and the central shaft of the cutter head is 50 degrees.
7. The step milling cutter disc of claim 1, wherein: eight cutting parts are arranged on the outer peripheral surface of the second cutter head at equal angles, each cutting part is provided with a cutting blade, and the side edge of each cutting blade protrudes out of the front end surface of the second cutter head.
8. The step milling cutter disc of claim 1, wherein: the diameter of the clamping disc is smaller than that of the second cutter disc, and the joint of the second cutter disc and the clamping disc is in a smooth transition shape.
9. The step milling cutter disc of claim 1, wherein: the thickness of the first cutter disc, the second cutter disc and the clamping disc which are integrally formed is 50 mm.
10. The step milling cutter disc of claim 2, wherein: the diameter of the clamping hole is 27 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584626.7U CN214815165U (en) | 2021-03-19 | 2021-03-19 | Step milling cutter disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584626.7U CN214815165U (en) | 2021-03-19 | 2021-03-19 | Step milling cutter disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214815165U true CN214815165U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120584626.7U Active CN214815165U (en) | 2021-03-19 | 2021-03-19 | Step milling cutter disc |
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| CN (1) | CN214815165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117600576A (en) * | 2024-01-24 | 2024-02-27 | 常州森图精密工具有限公司 | Double indexable gear finish milling cutter convenient to be aligned and connected with machine tool |
-
2021
- 2021-03-19 CN CN202120584626.7U patent/CN214815165U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117600576A (en) * | 2024-01-24 | 2024-02-27 | 常州森图精密工具有限公司 | Double indexable gear finish milling cutter convenient to be aligned and connected with machine tool |
| CN117600576B (en) * | 2024-01-24 | 2024-04-09 | 常州森图精密工具有限公司 | Double indexable gear finish milling cutter convenient to be aligned and connected with machine tool |
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