CN110548927A - Deburring cutter for intersecting contour lines of vertical cross holes - Google Patents
Deburring cutter for intersecting contour lines of vertical cross holes Download PDFInfo
- Publication number
- CN110548927A CN110548927A CN201810557641.5A CN201810557641A CN110548927A CN 110548927 A CN110548927 A CN 110548927A CN 201810557641 A CN201810557641 A CN 201810557641A CN 110548927 A CN110548927 A CN 110548927A
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- Prior art keywords
- cutter
- tool
- deburring
- cutter head
- cutting
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000012795 verification Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a deburring cutter for intersecting contour lines of vertical cross holes, which comprises a cylindrical cutter head and a cutter bar, wherein three cutting edges are integrally arranged on the cutter head, the cutting edges are arranged around a rotating shaft of the cutter head in a fan-blade-shaped equidistant mode, each cutting edge groove is respectively and integrally formed into a cutting angle alpha and a groove opening angle beta on two corresponding adjacent cutting edges, and the cutting angle alpha is perpendicular to the axial direction of the cutter head and extends outwards in an inclined mode. The invention has simple and practical structure and high working efficiency, adds the rotary spherical cutter to carry out pre-deburring, ensures that burrs at the intersecting line of parts have stable size, position and shape, lays a good foundation for subsequent ECM, and has better pre-deburring effect through test verification.
Description
Technical Field
The invention relates to a deburring tool for automobile parts, in particular to a deburring tool for intersecting contour lines of vertical cross holes.
Background
The shape of the mechanical part is often formed by combining more than two basic solids in different modes, the intersection of the two solids is called as two-dimensional intersection when the mechanical part is combined, and the intersection line formed by the surfaces of the two solids is called as an intersection line; the deburring is to remove thorn-shaped objects or flash formed at the intersection of the surfaces of the parts, the harmfulness of the burrs is particularly obvious, and the general attention of people is gradually paid.
In a high-pressure oil rail matching piece of an automobile, two groups of intersecting contour lines formed by non-orthogonal holes with different diameters are generally formed, burrs can be remained after machining, and the burrs at the position are random, small and large, unfixed, and difficult to remove burrs in a subsequent ECM mode.
To sum up, a special tool which is simple and practical in structure, high in working efficiency and good in pre-deburring effect is needed at present.
Disclosure of Invention
The invention aims to solve the technical problem that a special pre-deburring tool is not needed in an existing automobile high-pressure oil rail matching piece.
In order to solve the technical problem, the technical scheme adopted by the invention is to provide a deburring tool for intersecting contour lines of vertical crossed holes, which comprises a cylindrical tool bit and a tool bar, wherein a conical slope surface with gradually reduced diameter is formed from the tool bar to the tool bit, the cutter head and the cutter bar are integrally connected through the conical slope surface, three cutting edges are integrally arranged on the cutter head, the cutting edges are arranged around a rotating shaft of the cutter head in a fan-blade shape at equal intervals, a cutting edge groove is arranged between every two adjacent cutting edges, the edge grooves are recessed in the outer peripheral surface of the cutter head, the edge grooves are arranged obliquely to the axial direction of the cutter head, each edge groove respectively and integrally forms a cutting angle alpha and a notch angle beta on two corresponding adjacent cutting edges, the cutting angle alpha is perpendicular to the axial direction of the cutter head and extends obliquely outwards, and the peripheral surface of each cutting angle alpha and the notch angle beta is respectively provided with an inward-sunken chamfer angle groove.
In the scheme, a circulating water channel is formed in the tool bit and the tool bar and penetrates through the tool bit and the tool bar in the axial direction.
In the above scheme, a screw hole is formed on the outer peripheral surface perpendicular to the cutter bar, the screw hole is vertically communicated with the circulating water channel, and an external threaded rod is screwed in the screw hole.
In the above scheme, an internal thread sleeve is further sleeved between the external thread rod and the contact surface of the screw hole in a matching mode, a through hole communicated with the circulating water channel is formed in the internal thread sleeve, and the internal thread sleeve is made of waterproof materials.
In the above scheme, the external thread rod is fixedly sleeved with a nut, and the diameter of the nut is larger than that of the screw hole.
In the above scheme, the diameter of the external thread rod is larger than that of the circulating water channel.
In the above scheme, the length of the screw hole and the length of the external thread rod are both greater than the sum of the radius of the cutter bar and the radius of the circulating water channel.
In the above scheme, along a plane perpendicular to the axial direction of the cutter bar, the cutting angle α is an acute angle, the notch angle β is 90 °, and the opening of the blade groove is 92.75 °; the cutting angle α is 45 ° along a plane parallel to the axial direction of the blade holder.
In the above solution, along a plane perpendicular to the axial direction of the cutter bar, the cutting angle α and the notch angle β are respectively inscribed in a top surface circle of the cutter bar.
the invention has simple and practical structure and high working efficiency, adds the rotary spherical cutter to carry out pre-deburring, ensures that burrs at the intersecting line of parts have stable size, position and shape, lays a good foundation for subsequent ECM, and has better pre-deburring effect through test verification.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a top view of the present invention;
Fig. 4 is a side view of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings.
The invention discloses a deburring tool for intersecting contour lines of vertical cross holes, which can be realized by appropriately improving process parameters by a person skilled in the art by referring to the content in the text. It is expressly intended that all such alterations and modifications which are obvious to those skilled in the art are deemed to be incorporated herein by reference, and that the techniques of the invention may be practiced and applied by those skilled in the art without departing from the spirit, scope and range of equivalents of the invention.
In the present invention, unless otherwise defined, scientific and technical terms used herein have the meanings that are commonly understood by those skilled in the art.
As shown in figures 1 to 4, the deburring tool for the intersecting contour line of the vertical cross hole comprises a cylindrical tool bit 1 and a cylindrical tool bar 2, wherein a conical slope surface 3 with the diameter gradually reduced is formed from the tool bit 2 to the tool bit 1, the tool bit 1 and the tool bar 2 are integrally connected through the conical slope surface 3, three cutting edges 4 are integrally arranged on the tool bit 1, the cutting edges 4 are arranged around a rotating shaft of the tool bit 1 in a fan-blade shape at equal intervals, cutting grooves 5 are formed between the adjacent cutting edges 4, the cutting grooves 5 are recessed in the outer peripheral surface of the tool bit 1, the cutting grooves 5 are obliquely arranged in the axial direction of the tool bit 1, when the deburring tool is used, the deburring tool is assembled on a machine to rotate, and the cutting edges 4 rotate in a spherical shape to perform deburring operation on a high-pressure oil.
Each blade groove 5 is respectively integrally formed with a cutting angle alpha and a notch angle beta on two corresponding adjacent blades 4, the cutting angle alpha is perpendicular to the axial direction of the cutter head 1 and extends obliquely outwards, and the cutting angle alpha and the notch angle beta are respectively internally tangent to the top surface circle of the cutter bar 2 along the plane perpendicular to the axial direction of the cutter bar 2.
The peripheral surfaces of each cutting angle alpha and each notch angle beta are respectively provided with an inward-concave chamfer groove 6, so that the deburring operation can be conveniently carried out at positions which are difficult to reach, such as dead angles of intersecting lines and the like, of the cutting edge, and the application range and the deburring effect are greatly improved.
Experiments prove that along a plane vertical to the axial direction of the cutter bar 2, the cutting angle alpha is an acute angle, the notch angle beta is 90 degrees, and the opening of the blade groove 5 is 92.75 degrees; along the plane parallel to the axial direction of the cutter bar 2, the cutting angle alpha is 45 degrees, at the moment, the cutting and deburring effect is optimal, the speed is fastest, and the surface smoothness of the high-pressure oil rail matching piece is best.
further preferably, the inside along tool bit 1 and cutter arbor 2 has seted up circulation water course 7, and circulation water course 7 link up along the axial of tool bit 1 and cutter arbor 2, and when the cutter cutting, it can cool down by a wide margin to pour into the circulating water into at circulation water course 7, makes the cutter can work for a long time in succession, has improved work efficiency greatly.
The outer peripheral surface of the vertical cutter bar 2 is provided with a screw hole 8, the screw hole 8 is vertically communicated with the circulating water channel 7, and an external thread rod 9 is screwed in the screw hole 8, so that the external thread rod 9 is screwed to enable the end part of the external thread rod 9 to lift in the screw hole 8, the external thread rod 9 can be adjusted to block the water inlet area of the circulating water channel 7, and the speed of water flow in the circulating water channel 7 can be adjusted according to actual requirements.
Still match the cover between the contact surface of external screw rod 9 and screw 8 and be equipped with an internal thread cover 10, set up the through-hole 11 with circulation water channel 7 intercommunication on the internal thread cover 10, the material of internal thread cover 10 is waterproof material, can carry out effectual sealed protection between the contact surface of external screw rod 9 and screw 8 like this, prevents that water from flowing out from screw 8.
The external thread rod 9 is fixedly sleeved with a nut 12, and the diameter of the nut 12 is larger than that of the screw hole 8, so that manual adjustment of the external thread rod 9 by workers is facilitated. The diameter of the external thread rod 9 is larger than that of the circulating water channel 7, and the length of the screw hole 8 and the length of the external thread rod 9 are both larger than the sum of the radius of the cutter bar 2 and the radius of the circulating water channel 7, so that the external thread rod 9 can completely separate the circulating water channel 7, and the requirement of practical use is met.
The invention has simple and practical structure and high working efficiency, adds the rotary spherical cutter to carry out pre-deburring, ensures that burrs at the intersecting line of parts have stable size, position and shape, lays a good foundation for subsequent ECM, and has better pre-deburring effect through test verification.
The present invention is not limited to the above-mentioned preferred embodiments, and any structural changes made under the teaching of the present invention shall fall within the protection scope of the present invention, which has the same or similar technical solutions as the present invention.
Claims (9)
1. A deburring cutter for intersecting contour lines of vertical cross holes is characterized by comprising a cylindrical cutter head and a cutter bar, a conical slope surface with gradually reduced diameter is arranged from the cutter bar to the cutter head, the cutter head and the cutter bar are integrally connected through the conical slope surface, three cutting edges are integrally arranged on the cutter head, the cutting edges are arranged around a rotating shaft of the cutter head in a fan-blade shape at equal intervals, a cutting edge groove is arranged between every two adjacent cutting edges, the edge grooves are recessed in the outer peripheral surface of the cutter head, the edge grooves are arranged obliquely to the axial direction of the cutter head, each edge groove respectively and integrally forms a cutting angle alpha and a notch angle beta on two corresponding adjacent cutting edges, the cutting angle alpha is perpendicular to the axial direction of the cutter head and extends obliquely outwards, and the peripheral surface of each cutting angle alpha and the notch angle beta is respectively provided with an inward-sunken chamfer angle groove.
2. A deburring tool as claimed in claim 1 wherein said tool head and said tool bar have a circular water path along their interiors, said circular water path extending axially through said tool head and said tool bar.
3. A deburring tool as claimed in claim 2 wherein the external peripheral surface of said cutter bar is provided with a threaded bore, said threaded bore is vertically connected to said circulating water channel, and an external threaded rod is screwed into said threaded bore.
4. The deburring tool for intersecting contour lines of perpendicular intersecting holes as claimed in claim 3, characterized in that an internal thread sleeve is further sleeved between the contact surfaces of the external thread rod and the screw hole in a matching manner, a through hole communicated with the circulating water channel is formed in the internal thread sleeve, and the internal thread sleeve is made of a waterproof material.
5. A deburring tool as claimed in claim 4 wherein said external threaded shank has a nut affixed thereto, said nut having a diameter greater than the diameter of said threaded bore.
6. A vertical cross bore intersecting contour deburring tool as claimed in claim 3 wherein said externally threaded shank has a diameter greater than the diameter of said circulating water path.
7. A deburring tool as claimed in claim 3 wherein the length of said threaded bore and said external threaded shank are both greater than the sum of the radius of said shank and the radius of said circulating water path.
8. A deburring tool as claimed in claim 1 wherein along a plane perpendicular to the axial direction of said tool holder said cutting angle α is acute, said flute angle β is 90 °, said flute opening is 92.75 °; the cutting angle α is 45 ° along a plane parallel to the axial direction of the blade holder.
9. a tool for deburring intersecting contour lines of perpendicular intersecting holes as defined in claim 1 wherein said cutting angle α and notch angle β, respectively, are inscribed in the top circle of said shank along a plane perpendicular to the axial direction of said shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810557641.5A CN110548927A (en) | 2018-06-01 | 2018-06-01 | Deburring cutter for intersecting contour lines of vertical cross holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810557641.5A CN110548927A (en) | 2018-06-01 | 2018-06-01 | Deburring cutter for intersecting contour lines of vertical cross holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110548927A true CN110548927A (en) | 2019-12-10 |
Family
ID=68734944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810557641.5A Pending CN110548927A (en) | 2018-06-01 | 2018-06-01 | Deburring cutter for intersecting contour lines of vertical cross holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110548927A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673010A (en) * | 2020-07-06 | 2020-09-18 | 江苏双汇电力发展股份有限公司 | Preformed armor rod hemispherical end forming tool bit and forming device using tool bit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW482049U (en) * | 2000-07-26 | 2002-04-01 | Ching-Tzung Tung | Spraying structure improvement for cutting coolant of magnetic seat |
| CN2870997Y (en) * | 2005-12-21 | 2007-02-21 | 易润有限公司 | Mixed fluid jetter |
| CN204770729U (en) * | 2015-05-28 | 2015-11-18 | 吉林博仁科技股份有限公司 | Drilling equipment and hole chamfer sword thereof |
| CN204818304U (en) * | 2015-07-17 | 2015-12-02 | 重庆长安汽车股份有限公司 | A burring copying tool for intersecting hole |
| CN105108189A (en) * | 2015-09-11 | 2015-12-02 | 吉林博仁科技股份有限公司 | Inner hole chamfer cutter |
| CN208495975U (en) * | 2018-06-01 | 2019-02-15 | 吉林博仁科技股份有限公司 | The deburrer of contour line is mutually passed through in a kind of square crossing hole |
-
2018
- 2018-06-01 CN CN201810557641.5A patent/CN110548927A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW482049U (en) * | 2000-07-26 | 2002-04-01 | Ching-Tzung Tung | Spraying structure improvement for cutting coolant of magnetic seat |
| CN2870997Y (en) * | 2005-12-21 | 2007-02-21 | 易润有限公司 | Mixed fluid jetter |
| CN204770729U (en) * | 2015-05-28 | 2015-11-18 | 吉林博仁科技股份有限公司 | Drilling equipment and hole chamfer sword thereof |
| CN204818304U (en) * | 2015-07-17 | 2015-12-02 | 重庆长安汽车股份有限公司 | A burring copying tool for intersecting hole |
| CN105108189A (en) * | 2015-09-11 | 2015-12-02 | 吉林博仁科技股份有限公司 | Inner hole chamfer cutter |
| CN208495975U (en) * | 2018-06-01 | 2019-02-15 | 吉林博仁科技股份有限公司 | The deburrer of contour line is mutually passed through in a kind of square crossing hole |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673010A (en) * | 2020-07-06 | 2020-09-18 | 江苏双汇电力发展股份有限公司 | Preformed armor rod hemispherical end forming tool bit and forming device using tool bit |
| CN111673010B (en) * | 2020-07-06 | 2024-05-17 | 江苏双汇电力发展股份有限公司 | Preformed armor rod hemispherical end forming tool bit and forming device using tool bit |
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