CN111331405A - Eccentric special-shaped complex part machining tool and manufacturing method - Google Patents
Eccentric special-shaped complex part machining tool and manufacturing method Download PDFInfo
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- CN111331405A CN111331405A CN202010139909.0A CN202010139909A CN111331405A CN 111331405 A CN111331405 A CN 111331405A CN 202010139909 A CN202010139909 A CN 202010139909A CN 111331405 A CN111331405 A CN 111331405A
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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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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Abstract
The invention discloses a machining tool and a manufacturing method for an eccentric special-shaped complex part, and the machining tool comprises a main body faceplate, an insert, a pressing plate, a screw and an anti-rotation pin, wherein a hole is formed in the main body faceplate in a turning mode, the hole is provided with a screw hole, a cushion column hole and an anti-rotation pin position hole, the hole position is determined according to the appearance of the eccentric or special-shaped part to be machined, the insert can be assembled on the main body faceplate and tightened by the screw, a positioning shape can be machined on the insert, the positioning shape is vertical to the large surface of the main body faceplate, a positioning shape of a through shaft to be machined is formed on a revolving body part, the positioning shape is vertical to the large surface of the main body faceplate and can be matched with the insert, and the pressing plate tightly presses the part. The invention solves the clamping and positioning problems of turning type shape lathe processing such as screw threads, holes, excircles and the like on the special-shaped complex parts, and adopts the method of firstly finish turning the positioning shape and the positioning surface on the tool during processing, thereby ensuring the perpendicularity of the positioning shape and the end surface, improving the processing efficiency and quality and reducing the cost.
Description
Technical Field
The invention relates to the technical field of lathe machining, clamping and positioning, in particular to a machining tool and a manufacturing method for turning an eccentric special-shaped complex part to form a rotary shape.
Background
The lathe has the characteristics of high efficiency in processing rotary shapes, stable quality and low cost. Lathe machining mainly depends on clamping cylindrical shapes by three claws, four claws, a tube collection and the like to process rotary shapes such as coaxial threads, holes, excircles and the like, but the rotary shapes on eccentric and special-shaped complex parts are not coaxial with the cylindrical shapes, so that the parts cannot be directly clamped by the three claws, the four claws or the tube collection of the lathe, and the eccentricity cannot be realized. Therefore, lathe machining of rotary shapes such as threads, holes and excircles on the special-shaped complex parts becomes a key topic in the technical field.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a tool for lathe machining of rotary shapes such as threads, holes and excircles on eccentric special-shaped complex parts and a manufacturing method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: the eccentric special-shaped complex part machining tool comprises a main body disc chuck, an insert, a pressing plate, a screw and an anti-rotation pin, wherein a hole is formed in the main body disc chuck in a turning mode, the hole is provided with a screw hole, a cushion column hole and an anti-rotation pin position hole, the hole position is determined according to the appearance of an eccentric part or a special-shaped part to be machined, the insert can be assembled on the main body disc chuck and tightened by the screw, a positioning shape can be machined on the insert, the positioning shape is perpendicular to the large surface of the main body disc chuck, the part is provided with a positioning shape of a through shaft of a revolving body to be machined, the positioning shape is perpendicular to the large surface of the main body disc chuck and can be matched with the insert, and the part is pressed on the main body disc.
Furthermore, the main body faceplate is provided with an anti-rotation pin, and the anti-rotation pin is arranged in the anti-rotation pin position hole to prevent rotation in the part machining process.
Further, be equipped with the pad post on the main part flower disc, the pad post is installed downthehole at the pad post, pad post one end stretches into on the main part flower disc, and the other end is connected with the clamp plate, the screw compresses tightly the part on the main part flower disc with what the clamp plate can be balanced with the pad post is located the both ends of clamp plate, the assurance clamp plate.
A manufacturing method of an eccentric special-shaped complex part machining tool comprises the following steps: firstly, a coaxial cylindrical positioning hole or a positioning shaft is formed on the reverse end surface of an eccentric and special-shaped complex part to be turned into a turning shape, and the turning shape of the hole, the excircle and the thread is realized by positioning in the cylindrical shape by utilizing the mutual reference principle; then, during machining, fixing the insert in the center of the faceplate, clamping the faceplate by using a three-jaw or four-jaw chuck of a lathe, turning a positioning shaft or a positioning hole on the faceplate insert according to the shape and size of a positioning cylinder on a part to be machined, and observing the end face of the faceplate to ensure that the positioning shaft or the positioning hole is vertical to a positioning surface; and finally, mounting the part on a faceplate, pressing the part by using a pressing plate and a compression screw, and stopping rotation by using an anti-rotation screw.
Further, the insert can be processed into a required shape and size according to actual needs and can be replaced.
Furthermore, threaded holes are formed in the faceplate according to needs, the positions of the threaded holes are made according to the eccentricity to be processed, and the appearance of the special-shaped complex part is designed.
Compared with the prior art, the invention has the beneficial effects that: the positioning tool disclosed by the invention solves the problem of clamping and positioning of turning type shapes on eccentric and special-shaped complex parts, and the positioning reference can be flexibly set according to requirements. The scheme has clear principle and simple and reasonable design, can improve the processing efficiency and quality of the rotary shapes on eccentric and special-shaped complex parts, and reduces the processing cost.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic view of the present invention;
fig. 2 shows a side view of fig. 1.
Detailed Description
The following will be described in detail with reference to the technical solutions in the embodiments of the present invention:
referring to fig. 1 and 2, the eccentric special-shaped complex part machining tool and the manufacturing method thereof comprise a main body faceplate 1, an insert 2, a cushion column 3, a pressing plate 4, a screw 5, an eccentric or special-shaped part 6 and an anti-rotation pin 7. The main body disc chuck 1 is provided with a hole by lathing, and is provided with a tensioning or pressing screw hole and an anti-rotation pin position hole (the hole position is determined according to the shape of a part to be processed), the insert 2 can be assembled into the main body disc chuck 1 and tensioned by a screw 5, a positioning shape (a hole, a shaft or other positioning shapes) can be processed on the insert 2, the positioning shape is vertical to the large surface of the main body disc chuck 1 (ensuring one-time processing), a positioning shape of a through shaft of a revolving body to be processed is manufactured on the eccentric or special-shaped part 6, the positioning shape is vertical to the large surface of the main body disc chuck 1 and can be matched with the insert 2, the part 6 is pressed on the part 1 by a pressing plate 4, and is pressed by the screw 5, and the anti-rotation pin 7 is installed.
The working principle is as follows: a coaxial cylindrical positioning hole or a positioning shaft is formed on the reverse end surface of the eccentric or special-shaped complex part 6 which needs to be turned into a rotary shape, and the rotary shape such as a hole, an excircle, a thread and the like is turned by positioning in the cylindrical shape by utilizing the mutual reference principle; during processing, the insert 2 is fixed at the center of the main body flower disc 1 (the insert has the functions that the insert can be replaced without replacing the flower disc, the cost is saved, and the insert can be processed into a required shape and size according to actual requirements); clamping a main body faceplate 1 (a threaded hole is formed in the faceplate according to the requirement, the position of the threaded hole is made according to the eccentricity to be processed, the appearance of the special-shaped complex part is made), turning a positioning shaft or a positioning hole on the faceplate insert according to the shape and the size of a positioning cylinder on the part 1 to be processed, and exposing the end face of the faceplate to ensure that the positioning shaft or the positioning hole is vertical to a positioning surface; finally, the part 6 is arranged on the main body faceplate 1, is pressed by the pressing plate 4 and the pressing screw 5 and is stopped by the anti-rotation pin 7.
The working process of the invention is as follows: when the processing fixture is used, the cushion column 3 and the pressing plate 4 are prepared according to the appearance of the part 6, then the positioning shape which is perpendicular to the large surface where the part is located (the perpendicularity is guaranteed to be processed within 0.005) is manufactured on the eccentric or special-shaped part 6, the screw hole, the cushion column hole and the anti-rotation pin hole are processed on the main body flower disc 1 according to the appearance of the part 6 to be processed, the insert 2 is installed on the flower disc 1, the flower disc is clamped by the lathe clamping jaws, the positioning shape which can be matched with the positioning shape on the part 6 is processed on the insert 2, the positioning surface of the flower disc is exposed, the perpendicularity is guaranteed, the cushion column 3 and the anti-rotation pin 7 are installed on the flower disc, the part 6 is installed on the flower disc, and the part is pressed by the pressing plate 4 and the screw 5, and the rotation type shape to.
The foregoing is directed to embodiments of the present application and it is understood that various modifications and enhancements may be made by those skilled in the art without departing from the principles of the application and are intended to be included within the scope of the application.
Claims (6)
1. The tool for machining the eccentric special-shaped complex part is characterized by comprising a main body disc chuck, an insert, a pressing plate, a screw and an anti-rotating pin, wherein the main body disc chuck is provided with a hole in a turning mode, the hole is provided with a screw hole, a cushion column hole and an anti-rotating pin position hole, the hole position is determined according to the appearance of the eccentric or special-shaped part to be machined, the insert can be assembled on the main body disc chuck and is tensioned by the screw, a positioning shape can be machined on the insert, the positioning shape is perpendicular to the large surface of the main body disc chuck, the part is provided with a positioning shape of a through shaft of a revolving body to be machined, the positioning shape is perpendicular to the large surface of the main body disc chuck and can be matched with the insert, and the part is pressed on the main body disc.
2. The tooling for machining the eccentric special-shaped complex parts according to claim 1, wherein an anti-rotation pin is arranged on the main body faceplate and is installed in an anti-rotation pin position hole.
3. The tooling for machining the eccentric special-shaped complex parts according to claim 1, wherein the main body faceplate is provided with a pad column, the pad column is installed in a pad column hole, one end of the pad column extends into the main body faceplate, the other end of the pad column is connected with the pressing plate, and the screw and the pad column are located at two ends of the pressing plate.
4. The manufacturing method of the eccentric special-shaped complex part machining tool according to claim 1, characterized by comprising the following steps of: firstly, a coaxial cylindrical positioning hole or a positioning shaft is formed on the reverse end surface of an eccentric and special-shaped complex part to be turned into a turning shape, and the turning shape of the hole, the excircle and the thread is realized by positioning in the cylindrical shape by utilizing the mutual reference principle; then, during machining, fixing the insert in the center of the faceplate, clamping the faceplate by using a three-jaw or four-jaw chuck of a lathe, turning a positioning shaft or a positioning hole on the faceplate insert according to the shape and size of a positioning cylinder on a part to be machined, and observing the end face of the faceplate to ensure that the positioning shaft or the positioning hole is vertical to a positioning surface; and finally, mounting the part on a faceplate, pressing the part by using a pressing plate and a compression screw, and stopping rotation by using an anti-rotation screw.
5. The manufacturing method of the eccentric special-shaped complex part machining tool according to claim 4, wherein the insert can be machined into a required shape and size according to actual needs and can be replaced.
6. The manufacturing method of the eccentric special-shaped complex part machining tool according to claim 4, characterized in that a threaded hole is formed in the faceplate according to needs, the position of the threaded hole is made according to the eccentric to be machined, and the shape of the special-shaped complex part is designed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139909.0A CN111331405A (en) | 2020-03-03 | 2020-03-03 | Eccentric special-shaped complex part machining tool and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010139909.0A CN111331405A (en) | 2020-03-03 | 2020-03-03 | Eccentric special-shaped complex part machining tool and manufacturing method |
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| Publication Number | Publication Date |
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| CN111331405A true CN111331405A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010139909.0A Pending CN111331405A (en) | 2020-03-03 | 2020-03-03 | Eccentric special-shaped complex part machining tool and manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940798A (en) * | 2020-08-17 | 2020-11-17 | 沈阳飞机工业（集团）有限公司 | Drill bushing rotation-proof and pull-off-proof limiting tool |
-
2020
- 2020-03-03 CN CN202010139909.0A patent/CN111331405A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940798A (en) * | 2020-08-17 | 2020-11-17 | 沈阳飞机工业（集团）有限公司 | Drill bushing rotation-proof and pull-off-proof limiting tool |
| CN111940798B (en) * | 2020-08-17 | 2022-07-19 | 沈阳飞机工业（集团）有限公司 | Drill bushing rotation-proof and pull-off-proof limiting tool |
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