CN111069629B - Tool and method for machining inner spherical surface of differential shell by using tool - Google Patents
Tool and method for machining inner spherical surface of differential shell by using tool Download PDFInfo
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- CN111069629B CN111069629B CN201911398348.XA CN201911398348A CN111069629B CN 111069629 B CN111069629 B CN 111069629B CN 201911398348 A CN201911398348 A CN 201911398348A CN 111069629 B CN111069629 B CN 111069629B
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- fixing plate
- fixing
- spherical surface
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- workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/013—Control or regulation of feed movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a tool and a method for machining a spherical surface in a differential shell by using the tool, and relates to the field of machining, wherein the tool comprises a clamp body, a first fixing plate and a second fixing plate are fixed at the front end of the clamp body in parallel, a first fixing groove for mounting a workpiece is formed in the first fixing plate, a second fixing groove for mounting the workpiece is formed in the second mounting plate, fastening devices for fixing the workpiece are mounted at the front ends of the first fixing plate and the second fixing plate, and the included angle between the first fixing plate and the horizontal plane and the included angle between the second fixing plate and the horizontal plane are 15 degrees. The invention breaks through the conventional horizontal, flat and vertical clamping mode, the spherical surface of a workpiece is placed on the second fixing plate through the first fixing plate and the second fixing plate which are arranged on the numerical control lathe and form an angle of 15 degrees with the horizontal plane, the workpiece is fixed on the first fixing plate and the second fixing plate through the pressing plate, the screw rod and the screw cap, the universal inner hole lathe cutter rod is used for feeding from the window, and the whole spherical surface is processed at one time through interpolation motion.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a tool and a method for machining a spherical surface in a differential shell by using the tool.
Background
The inner cavity of the existing special-shaped differential shell is an S phi 92.1 whole spherical surface, through analysis, the spherical surface cannot be machined by the existing conventional method, and then the existing special-shaped differential shell is jointly researched by a plurality of numerical control machining equipment manufacturers and cutter suppliers to design various machining schemes, such as special equipment and non-standard forming cutter machining schemes, and the methods have some defects, and the 1 spherical surface cannot be machined at one time. 2. The equipment investment is large and the risk exists. 3. The form and position tolerance of the product is not easy to guarantee. Therefore, a tool capable of directly processing the special-shaped differential case is needed.
Disclosure of Invention
The invention aims to provide a tool and a method for machining a spherical surface in a differential shell by using the tool, so as to solve the problem that the spherical surface cannot be machined by using the conventional method in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a tool, includes the anchor clamps body, and the parallel first fixed plate and the second fixed plate that is fixed with of anchor clamps body front end are equipped with the first fixed slot that is used for installing the work piece on the first fixed plate, are equipped with the second fixed slot that is used for installing the work piece on the second mounting panel, and the fastener that is used for fixed work piece is all installed to first fixed plate and second fixed plate front end, and the contained angle of first fixed plate, second fixed plate and horizontal plane is 15.
Furthermore, the fastening device comprises a pressing plate which is fixed on the first fixing plate or the second fixing plate through a screw and a nut.
Furthermore, the front ends of the first fixing plate and the second fixing plate are provided with bolt holes for connecting screw rods.
Furthermore, the center of the clamp body is provided with a mounting hole.
Further, the first fixing groove and the second fixing groove are both circular grooves.
Furthermore, the included angle between the connecting line of the circle centers of the first fixing groove and the second fixing groove and the horizontal line is 75 degrees.
Further, the workpiece comprises a spherical surface, a window is arranged on the spherical surface, a first bearing installation section is arranged at one end of the spherical surface, and a second bearing installation section is arranged at the other end of the spherical surface.
A method of machining an inner spherical surface of a differential case, comprising the steps of: the first bearing installation section of the differential shell is placed in a first installation groove of a first fixing plate, a pressing plate is fixed on a bolt hole of the first fixing plate through a screw and a nut, the second bearing installation section of the differential shell is placed in a second installation groove of a second fixing plate, the upper end of a second fixing groove of a workpiece is placed on the second fixing plate, the pressing plate is fixed on the bolt hole of the second fixing plate through the screw and the nut, the cutter rod of a universal inner hole lathe is used for feeding from a window, and interpolation motion is carried out to complete one-time machining of the whole spherical surface.
Has the advantages that: the invention breaks through the conventional horizontal and vertical clamping mode, the spherical surface of a workpiece is placed on the second fixing plate through the two first fixing plates and the second fixing plates which are arranged on the clamp body and form an angle of 15 degrees with the horizontal plane, the workpiece is fixed on the first fixing plate and the second fixing plate through the pressing plate, the screw rod and the screw cap, the positioning of the end surface is realized by placing the spherical surface on the second fixing plate, the radial positioning is realized through the first fixing groove and the second fixing groove, the cutter rod is fed from the window by using a universal inner hole lathe, the whole spherical surface is processed at one time through interpolation movement, the method is simple and practical, the equipment investment risk is greatly reduced, the form and position tolerance of a product is easily ensured, and the tooling, the cutter and the production cost are also reduced.
Drawings
FIG. 1 is a schematic front view of the tooling of the present invention;
FIG. 2 is a schematic diagram of a right-view structure of the tooling of the present invention;
FIG. 3 is a schematic cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic perspective view of the clamp body of FIG. 1 according to the present invention;
FIG. 5 is a first schematic view of a workpiece being machined according to the present invention;
FIG. 6 is a second schematic view of a work piece machined according to the present invention;
FIG. 7 is a third schematic view of the present invention processing a workpiece.
In the figure: the fixture comprises a fixture body 1, a nut 2, a pressing plate 3, a workpiece 4, a spherical surface 401, a window 402, a first bearing mounting section 403, a second bearing mounting section 404, a first fixing plate 5, a second fixing plate 6, a mounting hole 7, a bolt hole 8, a screw rod 9, a first fixing groove 10 and a second fixing groove 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-4, a tool comprises a clamp body 1, wherein a first fixing plate 5 and a second fixing plate 6 are fixed at the front end of the clamp body 1 in parallel, a first fixing groove 10 used for installing a workpiece 4 is formed in the first fixing plate 5, a second fixing groove 11 used for installing the workpiece 4 is formed in the second installing plate, fastening devices used for fixing the workpiece 4 are installed at the front ends of the first fixing plate 5 and the second fixing plate 6, and the included angle between the first fixing plate 5 and the horizontal plane and the included angle between the second fixing plate 6 and the horizontal plane are 15 degrees.
The fastening device comprises a pressing plate 3, and the pressing plate 3 is fixed on the first fixing plate 5 or the second fixing plate 6 through a screw 9 and a nut 2. The front ends of the first fixing plate 5 and the second fixing plate 6 are provided with bolt holes 8 for connecting with screws 9. The centre of the clamp body 1 is provided with a mounting hole 7. The first and second fixing grooves 10 and 11 are circular grooves. The connecting line of the circle centers of the first fixing groove 10 and the second fixing groove 11 forms an included angle of 75 degrees with the horizontal line.
Example 2: ,
referring to fig. 1-7, a method for processing an inner spherical surface of a differential case applies the tool in embodiment 1, the tool includes a fixture body 1, a first fixing plate 5 and a second fixing plate 6 are fixed to the front end of the fixture body 1 in parallel, a first fixing groove 10 for mounting a workpiece 4 is formed in the first fixing plate 5, a second fixing groove 11 for mounting the workpiece 4 is formed in the second mounting plate, fastening devices for fixing the workpiece 4 are mounted at the front ends of the first fixing plate 5 and the second fixing plate 6, and an included angle between the first fixing plate 5 and the horizontal plane and an included angle between the second fixing plate 6 and the horizontal plane are 15 °. The fastening device comprises a pressing plate 3, and the pressing plate 3 is fixed on the first fixing plate 5 or the second fixing plate 6 through a screw 9 and a nut 2. The front ends of the first fixing plate 5 and the second fixing plate 6 are provided with bolt holes 8 for connecting with screws 9. The centre of the clamp body 1 is provided with a mounting hole 7. The first and second fixing grooves 10 and 11 are circular grooves. The included angle between the connecting line of the circle centers of the first fixing groove 10 and the second fixing groove 11 and the horizontal line is 75 degrees; the method comprises the following steps: the first bearing mounting section 403 of the differential case is placed in a first mounting groove of a first fixing plate 5, a pressing plate 3 is fixed on a bolt hole 8 of the first fixing plate 5 through a screw 9 and a nut 2, the second bearing mounting section 404 of the differential case is placed in a second mounting groove of a second fixing plate 6, the spherical surface 401 of a workpiece 4 is placed at the upper end of a second fixing groove 11 on the second fixing plate 6, the pressing plate 3 is fixed on the bolt hole 8 of the second fixing plate 6 through the screw 9 and the nut 2, the cutter is fed from a window 402 through a universal inner hole lathe cutter rod, and the whole spherical surface 401 is processed once through interpolation movement.
Through careful analysis, break the vertical clamping mode of conventional dress violently flat, personally submit 15 first fixed plate 5 and second fixed plate 6 with the level through two on the anchor clamps body 1 on the numerical control lathe, place sphere 401 of work piece 4 on second fixed plate 6, and fix work piece 4 on first fixed plate 5 and second fixed plate 6 through clamp plate 3, screw 9 and nut, realized the location of terminal surface through placing sphere 401 on second fixed plate 6, realized radial positioning through first fixed slot 10 and second fixed slot 11, advance the sword from window 402 with general hole car cutter arbor, move interpolation motion and once process whole sphere 401 and accomplish, this method is simple and practical, equipment investment risk that so significantly reduces, product form and position tolerance also obtains guaranteeing easily, frock, cutter, manufacturing cost also reduces by a large margin.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. A method for processing an inner spherical surface of a differential case is characterized in that: the fixture comprises a fixture body (1), wherein a first fixing plate (5) and a second fixing plate (6) are fixed at the front end of the fixture body (1) in parallel, a first fixing groove (10) used for installing a workpiece (4) is formed in the first fixing plate (5), a second fixing groove (11) used for installing the workpiece (4) is formed in the second installing plate, fastening devices used for fixing the workpiece (4) are installed at the front ends of the first fixing plate (5) and the second fixing plate (6), and the included angle between the first fixing plate (5) and the horizontal plane, the second fixing plate (6) and the horizontal plane is 15 degrees; the fastening device comprises a pressing plate (3), and the pressing plate (3) is fixed on the first fixing plate (5) or the second fixing plate (6) through a screw (9) and a nut (2); the center of the clamp body (1) is provided with a mounting hole (7); the first fixing groove (10) and the second fixing groove (11) are both circular grooves; the included angle between the connecting line of the circle centers of the first fixing groove (10) and the second fixing groove (11) and the horizontal line is 75 degrees; the method for machining the inner spherical surface of the differential shell by using the tool comprises the following steps: a first bearing mounting section (403) of a differential shell is placed in a first mounting groove of a first fixing plate (5), a pressing plate (3) is fixed on a bolt hole (8) of the first fixing plate (5) through a screw (9) and a nut (2), a second bearing mounting section (404) of the differential shell is placed in a second mounting groove of a second fixing plate (6), a spherical surface (401) of a workpiece (4) is placed at the upper end of a second fixing groove (11) on the second fixing plate (6), the pressing plate (3) is fixed on the bolt hole (8) of the second fixing plate (6) through the screw (9) and the nut (2), a universal inner hole lathe tool bar is used for feeding from a window (402), and interpolation motion is carried out to finish the whole spherical surface (401) at one time.
2. The method of machining an inner spherical surface of a differential case according to claim 1, wherein: the front ends of the first fixing plate (5) and the second fixing plate (6) are provided with bolt holes (8) for connecting screw rods (9).
3. The tooling of claim 1, wherein: the workpiece (4) comprises a spherical surface (401), a window (402) is arranged on the spherical surface (401), a first bearing mounting section (403) is arranged at one end of the spherical surface (401), and a second bearing mounting section (404) is arranged at the other end of the spherical surface (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398348.XA CN111069629B (en) | 2019-12-30 | 2019-12-30 | Tool and method for machining inner spherical surface of differential shell by using tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398348.XA CN111069629B (en) | 2019-12-30 | 2019-12-30 | Tool and method for machining inner spherical surface of differential shell by using tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111069629A CN111069629A (en) | 2020-04-28 |
| CN111069629B true CN111069629B (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911398348.XA Active CN111069629B (en) | 2019-12-30 | 2019-12-30 | Tool and method for machining inner spherical surface of differential shell by using tool |
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| Country | Link |
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| CN (1) | CN111069629B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59102508A (en) * | 1982-12-06 | 1984-06-13 | Mitsui Eng & Shipbuild Co Ltd | Machining method of long rail subjected to three- dimensional bending |
| CN102615293A (en) * | 2012-04-25 | 2012-08-01 | 江西江铃底盘股份有限公司 | Method for machining spherical surface of inner cavity of integral differential case of automobile |
| CN103495769A (en) * | 2013-09-27 | 2014-01-08 | 重庆华渝电气仪表总厂 | Method for machining internal key groove of taper sleeve by utilizing planer |
| CN209424595U (en) * | 2018-10-31 | 2019-09-24 | 宝鸡法士特齿轮有限责任公司 | A kind of axial workpiece bores inclined oil hole of air to tooth clamper |
-
2019
- 2019-12-30 CN CN201911398348.XA patent/CN111069629B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59102508A (en) * | 1982-12-06 | 1984-06-13 | Mitsui Eng & Shipbuild Co Ltd | Machining method of long rail subjected to three- dimensional bending |
| CN102615293A (en) * | 2012-04-25 | 2012-08-01 | 江西江铃底盘股份有限公司 | Method for machining spherical surface of inner cavity of integral differential case of automobile |
| CN103495769A (en) * | 2013-09-27 | 2014-01-08 | 重庆华渝电气仪表总厂 | Method for machining internal key groove of taper sleeve by utilizing planer |
| CN209424595U (en) * | 2018-10-31 | 2019-09-24 | 宝鸡法士特齿轮有限责任公司 | A kind of axial workpiece bores inclined oil hole of air to tooth clamper |
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| Publication number | Publication date |
|---|---|
| CN111069629A (en) | 2020-04-28 |
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Denomination of invention: A fixture and a method of using the fixture to process the spherical surface inside the differential housing Effective date of registration: 20230324 Granted publication date: 20210601 Pledgee: Agricultural Bank of China Limited Laiwu Branch Pledgor: SHANDONG HUIJIN Co.,Ltd. Registration number: Y2023980035947 |