CN212495448U - Slender shaft deep hole double boring cutter body - Google Patents
Slender shaft deep hole double boring cutter body Download PDFInfo
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- CN212495448U CN212495448U CN202022189354.9U CN202022189354U CN212495448U CN 212495448 U CN212495448 U CN 212495448U CN 202022189354 U CN202022189354 U CN 202022189354U CN 212495448 U CN212495448 U CN 212495448U
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Abstract
The utility model discloses a slender shaft deep hole double boring cutter body, which comprises a cutter body, a guide body and a drill rod connecting section; the outer circumference of the cutter body is provided with a hollow cylinder of a cutting fluid guide groove, the outer circumferential surface of the cutter body is milled with a plurality of first guide key grooves and a first cutter groove provided with a first mechanical cutter clamping box along the axial direction, a first guide steel key is embedded in the first guide key grooves, and a first blade is arranged on the first mechanical cutter clamping box; the outer circumference of the guide body is provided with a solid cylinder with chip removal grooves, the circumferential surface of the guide body is provided with a plurality of second guide key grooves and a second cutter groove provided with a second machine cutter clamping box along the axial direction, second guide steel keys are embedded in the second guide key grooves, and second blades are arranged on the second machine cutter clamping box. The utility model discloses two bore hole cutter bodies of slender axles deep hole simple structure, convenient to use carry out standard module to loading and unloading each part, and hole roughness has great improvement, and purchase cutter and raw and other materials cost and stock have the end of falling, have important practical value.
Description
Technical Field
The utility model belongs to the technical field of mechanical tool, relate to the bore hole cutter body, especially relate to a two bore hole cutter bodies of slender axles deep hole.
Background
The deep hole boring machine is mainly used for machining slender shaft parts. The method comprises the steps that a boring cutter body is manufactured to meet the requirement of uneven hole machining of the inner hole of a forged and rolled pipe, a clamp type non-indexable cutter is mounted on the boring cutter body, guide steel keys are circumferentially distributed near the cutter body of the cutter, a fixed guide body which is coaxial with the cutter body and provided with chip removal grooves in a sliding mode is formed after welding the non-indexable cutter, the guide steel keys are welded to a certain length, and then the fixed guide body is machined into a fixed guide body which; but because the inner holes of the forged and rolled pipes are uneven and the boring bar is thin and long, vibration is generated by cutting during boring; when the guide body is machined, the original hole size is measured through the diameter passing mandrel, and then the guide body with the size capable of passing the mandrel is machined to perform boring machining; the abrasion of the sliding guide body and the low repeated positioning precision of the mechanical clamping type non-indexable cutter cause overlarge bore diameter deviation and over-poor wall thickness of the boring hole, and even the boring hole is scrapped.
At present, in the prior art, a boring cutter body is a fixed machine-clamping type non-indexable cutter or a welding type cutter, a guide body is in clearance fit with an original hole of a workpiece, and a machine-clamping type single-edge cutter or a welding type cutter is in interference fit with the cutter body.
Disclosure of Invention
In view of this, the utility model aims at providing a two bore hole cutter bodies of slender axles deep hole, solved and forged and rolled the inside hole uneven and present cutter body bore hole back part internal diameter's uniformity, hole surface roughness, aperture precision and purchasing cost's defect in processing, satisfied simultaneously the same and different bore hole devices that are used for slender axles class part of the same specification aperture cutter body of bottom outlet size.
In order to achieve the purpose, the technical scheme is as follows:
the slender shaft deep hole double boring cutter body comprises a cutter body, a guide body integrally formed at one end of the cutter body and a drill rod connecting section at the other end of the cutter body;
the cutter comprises a cutter body, a hollow cylinder with a cutting fluid guide groove is formed in the outer circumference of the cutter body, a plurality of first guide key grooves and a first cutter groove provided with a first machine cutter clamping box are uniformly milled on the outer circumferential surface of the cutter body along the axial direction, a first guide steel key is embedded in each first guide key groove, each first cutter groove is formed in one end, close to the guide body, of each cutting fluid guide groove, and meanwhile, a first cutter blade is mounted on each first machine cutter clamping box;
the cutter comprises a guide body, a solid cylinder with a chip groove formed in the outer circumference, a plurality of second guide key grooves and a second cutter groove provided with a second machine tool clamping box, wherein the surface of the circumference of the guide body is uniformly provided with the second guide key grooves along the axial direction;
the cutter body and the guide body are the same axis.
As a further improvement, a transition buffer groove is processed between the cutter body and the guide body, so that the guide body and the cutter body are arranged in a stepped manner, and simultaneously, the diameter of the cutter body is greater than that of the guide body, and the length of the cutter body is greater than that of the guide body.
As a further improvement of the present invention, the first guide steel key and the second guide steel key correspond to each other along the axis direction.
As a further improvement, the cutting fluid guide groove corresponds to the chip removal groove along the axis direction, and simultaneously, the first blade and the second blade correspond to each other along the axis direction.
As the utility model discloses further improvement, first direction steel key and second direction steel key pass through the firm screw of steel key and fix respectively in first direction keyway and second direction keyway, simultaneously, the one end that cutter body and guide body are connected is seted up in first direction keyway, and the one end that the cutter body was kept away from to the guide body is seted up in the guide body to second direction keyway.
As a further improvement of the present invention, the first and second machine tool holders are fixed to the first and second tool grooves by the tool holder fastening screws, and the first and second blades are fixed to the first and second machine tool holders by the blade fastening screws.
As a further improvement, the first blade and the second blade are clamping blades of the turning machine.
As a further improvement, the drill rod connecting section is provided with a thread.
The utility model has the advantages that: the utility model discloses two bore hole cutter bodies of slender axles deep hole simple structure, convenient to use carry out standard module to loading and unloading each part, and hole roughness has great improvement, and purchase cutter and raw and other materials cost and stock have the end of falling, have important practical value.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Please refer to fig. 1:
the slender shaft deep hole double boring cutter body comprises a cutter body 1, a guide body 2 integrally formed at one end of the cutter body 1 and a drill rod connecting section 3 at the other end of the cutter body 1, wherein the drill rod connecting section 3 is provided with threads;
the cutter comprises a cutter body 1, a hollow cylinder with a cutting fluid guide groove 11 formed in the outer circumference, a plurality of first guide key grooves 12 and a first cutter groove 13 provided with a first machine cutter clamping box 14 are uniformly milled in the axial direction on the outer circumferential surface of the cutter body 1, a first guide steel key 15 is embedded in each first guide key groove 12, each first cutter groove 13 is formed in one end, close to the guide body 2, of the cutting fluid guide groove 11, and meanwhile, a first blade 16 is mounted on each first machine cutter clamping box 14 and is a rotatable machine cutter clamping blade;
the cutter comprises a guide body 2, a solid cylinder with a chip groove 21 formed in the outer circumference, a plurality of second guide key slots 22 and a second cutter slot 23 provided with a second machine clamping cutter box 24 are uniformly formed in the circumferential surface of the guide body 2 along the axial direction, a second guide steel key 25 is embedded in each second guide key slot 22, each second cutter slot 23 is formed in one end, far away from the cutter body 1, of the chip groove 21, and meanwhile, a second blade 26 is mounted on each second machine clamping cutter box 24 and is also an indexable machine clamping blade;
the cutter body 1 and the guide body 2 are the same axis, a transition buffer groove 102 is processed between the cutter body 1 and the guide body 2, so that the guide body 2 and the cutter body 1 are arranged in a stepped mode, meanwhile, the diameter of the cutter body 1 is larger than that of the guide body 2, and the length of the cutter body 1 is larger than that of the guide body 2.
The first guide steel keys 15 and the second guide steel keys 25 correspond to each other one by one along the axial direction, the positions of the cutting fluid guide grooves 11 and the positions of the chip discharge grooves 21 correspond to each other along the axial direction, and meanwhile, the first blades 16 and the second blades 26 also correspond to each other along the axial direction.
The first guide steel key 15 and the second guide steel key 25 are respectively fixed in the first guide key groove 12 and the second guide key groove 22 through steel key fastening screws a, meanwhile, the first guide key groove 12 is arranged at one end of the cutter body 1 connected with the guide body 2, the second guide key groove 22 is arranged at one end of the guide body 2 far away from the cutter body 1, the first machine tool clamping box 14 and the second machine tool clamping box 24 are respectively fixed in the first tool groove 13 and the second tool groove 23 through tool clamping fastening screws b, and the first blade 16 and the second blade 26 are respectively fixed on the first machine tool clamping box 14 and the second machine tool clamping box 24 through blade fastening screws c.
The working process is as follows:
(1) the first guide steel key 15 and the second guide steel key 25 are respectively installed on the guide body 2 and the cutter body 1, the first blade 16 and the second blade 26 are respectively installed in the first machine tool clamping box 14 and the second machine tool clamping box 24, then the first machine tool clamping box 14 and the second machine tool clamping box 24 are respectively installed in the guide body 2 and the cutter body 1, and the distance between the first/second blade 26 on the first/second machine tool clamping box 24 and the corresponding first/second guide steel key 25 is measured to determine whether the distance can be the required size;
(2) tightly connecting the threads of the integral double-boring cutter body with the threads of the boring bar, and enabling the first blade/the second blade 26 to be vertical to a guide rail of the boring machine;
(3) and locking the boring bar to prevent the boring bar from rotating (namely the double-boring cutter body 1 is static), keeping the existing state and completing preparation before machining.
The device is used for boring slender shaft parts with the depth of bore exceeding 4m and the bore diameter phi of 65 mm-phi 76.2 mm.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The slender shaft deep hole double boring cutter body is characterized by comprising a cutter body, a guide body and a drill rod connecting section, wherein the guide body is integrally formed at one end of the cutter body;
the cutter comprises a cutter body, a hollow cylinder with a cutting fluid guide groove is formed in the outer circumference of the cutter body, a plurality of first guide key grooves and a first cutter groove provided with a first machine cutter clamping box are uniformly milled on the outer circumferential surface of the cutter body along the axial direction, a first guide steel key is embedded in each first guide key groove, each first cutter groove is formed in one end, close to the guide body, of each cutting fluid guide groove, and meanwhile, a first cutter blade is mounted on each first machine cutter clamping box;
the cutter comprises a guide body, a solid cylinder with a chip groove formed in the outer circumference, a plurality of second guide key grooves and a second cutter groove provided with a second machine tool clamping box, wherein the surface of the circumference of the guide body is uniformly provided with the second guide key grooves along the axial direction;
the cutter body and the guide body are the same axis.
2. The elongated shaft deep hole dual-boring cutter body as claimed in claim 1, wherein a transition buffer groove is formed between the cutter body and the guide body, so that the guide body and the cutter body are arranged in a stepped manner, the diameter of the cutter body is larger than that of the guide body, and the length of the cutter body is larger than that of the guide body.
3. The elongated shaft deep hole dual-bore cutter body of claim 1, wherein the first guide steel key and the second guide steel key correspond one to one along an axial direction.
4. The elongated shaft deep hole dual-boring cutter body according to claim 1, wherein the cutting fluid guide groove and the chip removal groove are positioned in the axial direction, and the first blade and the second blade are also positioned in the axial direction.
5. The elongated shaft deep hole double-boring cutter body as claimed in claim 1, wherein the first guide steel key and the second guide steel key are respectively fixed in the first guide key groove and the second guide key groove through steel key fixing screws, and meanwhile, the first guide key groove is formed in one end, connected with the guide body, of the cutter body, and the second guide key groove is formed in one end, far away from the cutter body, of the guide body.
6. The elongated shaft deep hole dual-bore cutter body of claim 1, wherein the first and second machine tool cartridge are secured to the first and second tool pockets, respectively, by tool holder fastening screws, and the first and second inserts are secured to the first and second machine tool cartridge, respectively, by insert securing screws.
7. The elongated shaft deep hole dual-bore cutter body of claim 1, 4 or 6, wherein the first and second blades are indexable machine clamp blades.
8. The elongated shaft deep hole dual-boring cutter body as claimed in claim 1, wherein the drill rod connecting section is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022189354.9U CN212495448U (en) | 2020-09-29 | 2020-09-29 | Slender shaft deep hole double boring cutter body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022189354.9U CN212495448U (en) | 2020-09-29 | 2020-09-29 | Slender shaft deep hole double boring cutter body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212495448U true CN212495448U (en) | 2021-02-09 |
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ID=74389998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022189354.9U Active CN212495448U (en) | 2020-09-29 | 2020-09-29 | Slender shaft deep hole double boring cutter body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212495448U (en) |
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2020
- 2020-09-29 CN CN202022189354.9U patent/CN212495448U/en active Active
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