CN111810507B - Dowel pin assembly, manufacturing method and manufacturing device - Google Patents
Dowel pin assembly, manufacturing method and manufacturing device Download PDFInfo
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- CN111810507B CN111810507B CN202010607368.XA CN202010607368A CN111810507B CN 111810507 B CN111810507 B CN 111810507B CN 202010607368 A CN202010607368 A CN 202010607368A CN 111810507 B CN111810507 B CN 111810507B
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- vehicle
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- inequilateral
- circumscribed circle
- vertical distance
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Automatic Assembly (AREA)
Abstract
The invention provides a dowel assembly, a manufacturing method and a manufacturing device, wherein the dowel assembly comprises: the positioning block is positioned at one end of the positioning pin, and the section of the positioning block is an inequilateral polygon; the method comprises the following steps: acquiring vertical distances between vehicle doors and vehicle side walls of vehicles of various types; and taking the obtained vertical distances as the vertical distances between the parallel opposite sides of the inequilateral polygon, and obtaining a circumscribed circle of the inequilateral polygon according to the vertical distances, wherein the circumscribed circle is the cross section of a cylindrical component for processing the dowel pin component. The invention solves the problems of long time, large period and high cost caused by the fact that a plurality of different size adjusting units need to be designed for the position due to the fact that the position needs different size limiting in the face of the same position of different vehicle types.
Description
Technical Field
The invention relates to the field of machine manufacturing, in particular to a positioning pin assembly, a manufacturing method and a manufacturing device.
Background
In the process of manufacturing and maintaining the vehicle, in order to meet the requirement of different vehicle model sizes at the same position, a plurality of different size adjusting units need to be designed, the time is long, the period is long, and the cost is high. Therefore, a multi-size universal structure needs to be developed, the position needs to be limited in different sizes, the limitation in different sizes needs to be classified, and the limitation is expressed through a specific structure and is physically explained, so that one part meets the requirement of switching different vehicle types.
Disclosure of Invention
The invention provides a positioning pin assembly, a manufacturing method and a manufacturing device, which are used for solving the problems of long time, long period and high cost caused by the fact that a plurality of different size adjusting units need to be designed due to the fact that different sizes are needed for limiting at the same position of different vehicle types.
In order to solve the above problems, the present invention is realized by:
in a first aspect the present invention provides a method of making a dowel assembly comprising: the positioning block is positioned at one end of the positioning pin, and the section of the positioning block is an inequilateral polygon; the method comprises the following steps:
acquiring vertical distances between vehicle doors and vehicle side walls of vehicles of various types;
and taking the obtained vertical distances as the vertical distances between the parallel opposite sides of the inequilateral polygon, and obtaining a circumscribed circle of the inequilateral polygon according to the vertical distances, wherein the circumscribed circle is the cross section of a cylindrical component for processing the dowel pin component.
Optionally, after obtaining the circumscribed circle of the inequilateral polygon according to the vertical distance, the method further includes:
and machining the cylindrical component according to the vertical distance to obtain the positioning pin component.
Optionally, the opposite sides of the inequilateral polygon are parallel and equal in length.
Optionally, adjacent sides of the inequilateral polygon are not equal.
Optionally, the vertical distance between the vehicle door and the vehicle side wall of the vehicle of the multiple vehicle types is obtained as the vertical distance between the vehicle door and the vehicle side wall of the vehicle of the three vehicle types;
the scalene polygons are scalene hexagons.
Optionally, obtaining a circumscribed circle of the scalene polygon according to the vertical distance includes:
wherein a, b and c are respectively half of the vertical distance between opposite sides of the inequilateral polygon, and r is the radius of the circumscribed circle.
In a second aspect, the present invention provides an apparatus for manufacturing a dowel assembly, the dowel assembly comprising: the positioning block is positioned at one end of the positioning pin, and the section of the positioning block is an inequilateral polygon; the device comprises:
the first acquisition module is used for acquiring the vertical distance between the vehicle door and the vehicle side wall of the vehicle of various types;
and the second acquisition module is used for taking the acquired vertical distances as the vertical distances between the parallel opposite sides of the inequilateral polygon and acquiring a circumscribed circle of the inequilateral polygon according to the vertical distances, wherein the circumscribed circle is a cross section of a cylindrical component used for machining the dowel assembly.
In a third aspect, the present invention provides a locating pin assembly manufactured by the method according to the first aspect, the locating pin assembly comprising: the positioning block is positioned at one end of the positioning pin; the cross section of the positioning block is a scalene polygon.
Optionally, the opposite sides of the inequilateral polygon are parallel and equal in length.
Optionally, adjacent sides of the inequilateral polygon are not equal.
In the embodiment of the invention, the inequilateral polygon positioning pin is designed, the size to be positioned is adjusted by rotating the positioning pin in use, and the problems of long time, long period and high cost caused by the fact that a plurality of different size adjusting units need to be designed for the same position of different vehicle types due to the fact that the position needs to be limited by different sizes are solved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a flow chart of a method of making a dowel assembly according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a locating pin assembly according to an embodiment of the present invention;
FIG. 3 is a flowchart of an apparatus for manufacturing a locating pin assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a positioning pin assembly according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1 and 4, an embodiment of the present invention provides a method for manufacturing a dowel assembly, where the dowel assembly includes: the positioning block is positioned at one end of the positioning pin, and the section of the positioning block is an inequilateral polygon; the method comprises the following steps:
step 11: acquiring vertical distances between vehicle doors and vehicle side walls of vehicles of various types;
step 12: and taking the obtained vertical distances as the vertical distances between the parallel opposite sides of the inequilateral polygon, and obtaining a circumscribed circle of the inequilateral polygon according to the vertical distances, wherein the circumscribed circle is the cross section of a cylindrical component for processing the dowel pin component.
In the embodiment of the invention, the inequilateral polygon positioning pin is designed, and the size required to be positioned is adjusted by rotating the positioning pin in use, so that one part can be suitable for various vehicle types.
In this embodiment of the present invention, optionally, after obtaining the circumscribed circle of the inequilateral polygon according to the vertical distance, the method further includes:
and machining the cylindrical component according to the vertical distance to obtain the positioning pin component.
In the embodiment of the invention, the cylindrical piece is cut according to the vertical distance, the scalene polygon positioning block is cut, and the positioning pin structure with the diameter smaller than that of the scalene polygon is cut at the adjacent part of the scalene polygon positioning block.
In the embodiment of the present invention, optionally, opposite sides of the inequilateral polygon are parallel and equal in length.
In this embodiment of the present invention, optionally, adjacent sides of the inequilateral polygon are not equal.
In the embodiment of the invention, optionally, the vertical distance between the vehicle door and the vehicle side wall of the vehicle of the multiple vehicle types is obtained as the vertical distance between the vehicle door and the vehicle side wall of the vehicle of the three vehicle types;
the scalene polygons are scalene hexagons.
Referring to fig. 2, in the embodiment of the present invention, optionally, the obtaining the circumscribed circle of the inequilateral polygon according to the vertical distance includes:
wherein a, b and c are respectively half of the vertical distance between opposite sides of the inequilateral polygon, and r is the radius of the circumscribed circle.
In the embodiment of the invention, a general rule is obtained by deducing the relation between the scalene polygon and the circumscribed circle thereof, and the scalene polygon positioning block is additionally arranged on the basis of the original positioning pin, so that the problems of long time, large period and high cost caused by the need of designing a plurality of different size adjusting units due to the fact that different sizes are required for limiting at the same position of different vehicle types are solved.
Referring to fig. 3, an embodiment of the present invention provides an apparatus for manufacturing a dowel assembly, where the dowel assembly includes: the positioning block is positioned at one end of the positioning pin, and the section of the positioning block is an inequilateral polygon; the device comprises:
the first acquisition module 31 is used for acquiring the vertical distance between the vehicle door and the vehicle side wall of the vehicle of various types;
and a second obtaining module 32, configured to use the obtained multiple vertical distances as vertical distances between parallel opposite sides of the inequilateral polygon, and obtain, according to the vertical distances, a circumscribed circle of the inequilateral polygon, where the circumscribed circle is a cross section of a cylindrical component used for machining the dowel pin assembly.
In an embodiment of the present invention, optionally, the apparatus for manufacturing the dowel assembly further includes:
and the processing module is used for processing the cylindrical component according to the vertical distance to obtain the positioning pin component.
In the embodiment of the invention, the cylindrical piece is cut according to the vertical distance, the scalene polygon positioning block is cut, and the positioning pin structure with the diameter smaller than that of the scalene polygon is cut at the adjacent part of the scalene polygon positioning block.
In the embodiment of the present invention, optionally, opposite sides of the inequilateral polygon are parallel and equal in length.
In this embodiment of the present invention, optionally, adjacent sides of the inequilateral polygon are not equal.
In the embodiment of the invention, optionally, the vertical distance between the vehicle door and the vehicle side wall of the vehicle of the multiple vehicle types is obtained as the vertical distance between the vehicle door and the vehicle side wall of the vehicle of the three vehicle types; the scalene polygons are scalene hexagons.
In this embodiment of the present invention, optionally, the obtaining, by the second obtaining module, a circumscribed circle of the inequilateral polygon according to the vertical distance includes:
wherein a, b and c are respectively half of the vertical distance between opposite sides of the inequilateral polygon, and r is the radius of the circumscribed circle.
In the embodiment of the invention, the positioning pin assembly is manufactured in an integrated manner, the inequilateral polygon positioning block is processed on the selected cylinder, and the positioning pins are integrally processed at adjacent positions.
Referring to fig. 4, an embodiment of the present invention provides a positioning pin assembly, which is manufactured by the method according to the first aspect:
the dowel pin assembly includes: the positioning device comprises a positioning block 1 and a positioning pin 2, wherein the positioning block 1 is sleeved on the positioning pin 2, and the positioning block 1 and the positioning pin 2 are of an integral structure; the cross section of the positioning block 1 is a scalene polygon.
In the embodiment of the present invention, optionally, opposite sides of the inequilateral polygon are parallel and equal in length.
In this embodiment of the present invention, optionally, adjacent sides of the inequilateral polygon are not equal.
In the embodiment of the invention, the design of the dowel pin assembly is that three different vehicle model sizes are selected, so that the constructed scalene polygon is a scalene hexagon.
In the embodiment of the invention, the inequilateral polygon positioning pin is designed, a general rule is obtained by deducing the relation between an inequilateral polygon and a circumscribed circle thereof, the inequilateral polygon positioning block is additionally arranged on the basis of the original positioning pin, and the positioning size required to be positioned is adjusted by rotating the positioning pin in use, so that one part can be suitable for various vehicle types, and the problems of long time, large period and high cost caused by the fact that a plurality of different size adjusting units need to be designed for the same position of different vehicle types and the position needs different size limiting are solved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A method of making a dowel assembly, the dowel assembly comprising: the positioning block is positioned at one end of the positioning pin, and the section of the positioning block is an inequilateral polygon; the method comprises the following steps:
acquiring vertical distances between vehicle doors and vehicle side walls of vehicles of various types;
taking the obtained vertical distances as vertical distances between parallel opposite sides of the inequilateral polygon, and obtaining a circumscribed circle of the inequilateral polygon according to the vertical distances, wherein the circumscribed circle is a cross section of a cylindrical component for machining the dowel pin component;
the vertical distance between the vehicle door and the vehicle side wall of the vehicle with the multiple vehicle types is obtained as the vertical distance between the vehicle door and the vehicle side wall of the vehicle with the three vehicle types;
the scalene polygon is a scalene hexagon;
obtaining a circumscribed circle of the scalene polygon according to the vertical distance includes:
wherein a, b and c are respectively half of the vertical distance between opposite sides of the inequilateral polygon, and r is the radius of the circumscribed circle.
2. The method of making a dowel assembly of claim 1, wherein after obtaining the circle circumscribing the scalene polygon from the perpendicular distance, further comprising:
and machining the cylindrical component according to the vertical distance to obtain the positioning pin component.
3. The method of manufacturing a dowel assembly of claim 1,
the opposite sides of the inequilateral polygon are parallel and equal in length.
4. The method of manufacturing a dowel assembly of claim 1,
and adjacent sides of the inequilateral polygons are not equal.
5. A dowel assembly, manufactured using the method of any of claims 1-4, comprising: the positioning block is positioned at one end of the positioning pin; the cross section of the positioning block is a scalene polygon.
6. The dowel assembly of claim 5,
the opposite sides of the inequilateral polygon are parallel and equal in length.
7. The dowel assembly of claim 5,
and adjacent sides of the inequilateral polygons are not equal.
8. An apparatus for making a dowel assembly, the dowel assembly comprising: the positioning block is positioned at one end of the positioning pin, and the section of the positioning block is an inequilateral polygon; the device comprises:
the first acquisition module is used for acquiring the vertical distance between the vehicle door and the vehicle side wall of the vehicle of various types;
the second acquisition module is used for taking the acquired vertical distances as vertical distances between parallel opposite sides of the inequilateral polygon and acquiring a circumscribed circle of the inequilateral polygon according to the vertical distances, wherein the circumscribed circle is a cross section of a cylindrical component used for machining the positioning pin component;
the vertical distance between the vehicle door and the vehicle side wall of the vehicle with the multiple vehicle types is obtained as the vertical distance between the vehicle door and the vehicle side wall of the vehicle with the three vehicle types; the scalene polygon is a scalene hexagon;
the second obtaining module is configured to obtain a circumscribed circle of the inequilateral polygon according to the vertical distance and includes:
wherein a, b and c are respectively half of the vertical distance between opposite sides of the inequilateral polygon, and r is the radius of the circumscribed circle.
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CN202010607368.XA CN111810507B (en) | 2020-06-29 | 2020-06-29 | Dowel pin assembly, manufacturing method and manufacturing device |
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CN202010607368.XA CN111810507B (en) | 2020-06-29 | 2020-06-29 | Dowel pin assembly, manufacturing method and manufacturing device |
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CN111810507B true CN111810507B (en) | 2021-10-22 |
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CN113664759B (en) * | 2021-08-20 | 2022-12-02 | 苏州英磁新能源科技有限公司 | Silicon steel sheet pressure equipment frock |
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