CN210533261U

CN210533261U - Device for measuring included angle between edges of U-shaped or V-shaped stamping part

Info

Publication number: CN210533261U
Application number: CN201922055986.3U
Authority: CN
Inventors: 牟延杰; 李心景; 李志超; 李辉平; 贺连芳; 高广蕊; 邹立平; 宁莉丹; 刘晓雯; 肖慈超
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-05-15
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a device for measuring included angle between sides of U-shaped or V-shaped stamping parts, which comprises a first member and a second member which can be abutted against the sides of the U-shaped or V-shaped stamping parts, and a protractor which is hinged with the first member or the second member, wherein the first member is hinged with the second member, and the hinged point of the first member and the second member, and the hinged point of the protractor and the first member or the second member are positioned on the same axis; the central position of the protractor is hinged with the first rod piece or the second rod piece. The utility model discloses can the direct measurement contained angle, avoid the drawback that needs to be traced and drawn among the traditional measuring method, practiced thrift the manual work.

Description

Device for measuring included angle between edges of U-shaped or V-shaped stamping part

Technical Field

The utility model relates to a measuring device field, it is specific relates to a measure device of contained angle between U type or V type stamping workpiece limit.

Background

The U-shaped or V-shaped stamping part inevitably generates a springback phenomenon after being stamped, an included angle between two sides of the U-shaped or V-shaped stamping part is measured to analyze errors between the U-shaped or V-shaped stamping part and a design drawing, the U-shaped or V-shaped stamping part is erected on a piece of paper to copy the shape of the stamping part, and then the included angle between line sections on the paper is measured by using a protractor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a measure device of contained angle between U type or V type stamping workpiece limit, it can the direct measurement contained angle, has avoided the drawback that needs to describe the picture among the traditional measuring method, has practiced thrift the manual work to current measurement stamping workpiece's method not enough.

The utility model aims at providing a measure device of contained angle between U type or V type stamping workpiece limit.

In order to realize the purpose of the utility model, the utility model discloses a following technical scheme:

the utility model discloses a device for measuring included angle between sides of U-shaped or V-shaped stamping parts, which comprises a first member and a second member which can be abutted against the sides of the U-shaped or V-shaped stamping parts, and a protractor which is hinged with the first member or the second member, wherein the first member is hinged with the second member, and the hinged point of the first member and the second member, and the hinged point of the protractor and the first member or the second member are positioned on the same axis; the central position of the protractor is hinged with the first rod piece or the second rod piece.

Further, the first rod piece, the second rod piece and the protractor are hinged through a connecting piece, the connecting piece comprises a first rotating body, a second rotating body and a shaft body, and the first rotating body and the second rotating body are connected through the shaft body.

Furthermore, the first rotating body and the second rotating body are both columnar, through grooves penetrating through the side faces are formed in the first rotating body and the second rotating body, the first rod piece is inserted in the through groove of the first rotating body, and the second rod piece is inserted in the through groove of the second rotating body; the surface of the first rotating body or the second rotating body, which is positioned at the outer side, is provided with a protrusion, and the center of the protractor is connected with the protrusion.

Furthermore, the protrusion is cylindrical, a small circular hole is formed in the circle center of the protractor, and the small hole is in clearance fit with the protrusion.

Furthermore, the opposite surfaces of the first rotating body and the second rotating body are respectively provided with a first round hole and a second round hole, and the first round hole and the second round hole are connected with the shaft body.

Further, the range of the protractor is 0-180 degrees, and the protractor is semicircular.

Further, the first rod piece and the second rod piece are straight rods.

Further, the first rod and the second rod have the same length.

Further, the distance from the hinge point of the first rod piece and the second rod piece to the tail end of the first rod piece is equal to the distance from the hinge point of the first rod piece and the second rod piece to the tail end of the second rod piece.

The utility model discloses an application method is, supports first member and second member in two hypotenuses of U type or V type stamping workpiece respectively, and the adjustment protractor makes the zero scale of protractor aim at a hypotenuse, reads the protractor reading this moment.

Compared with the prior art, the utility model discloses following beneficial effect has been obtained:

1) the utility model is simple in operation convenient, it is accurate to measure, has optimized traditional method of measuring the angle again after tracing to this utility model structure is simple, and it is convenient to make, facilitate promotion and application.

2) The utility model discloses in, first member, second member and protractor are connected simultaneously to the connecting piece that uses, and the relatively fixed protractor when first member and second member can be fixed to the connecting piece, and the protractor can rotate around the connecting piece, forms the revolute pair, and this kind of connecting piece of having assembled a plurality of mounted position can simplify the assembly process greatly, is favorable to improving the packaging efficiency.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

FIG. 1 is a schematic view of the structure of an apparatus according to an embodiment;

FIG. 2 is a schematic diagram of the structure of the embodiment for measuring the included angle between the edges of the U-shaped stamping part;

FIG. 3 is a side sectional and partial view of the embodiment;

FIG. 4 is a diagrammatic front view of an embodiment.

In the figure, 1, a protractor; 2. a first rotating body; 3. a second rotating body; 4. a first bar member; 5. a shaft body.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only for descriptive purposes and are not to be construed as indicating or implying relative importance.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Just as the background art said, to the not enough of current method of measuring the stamping workpiece, the utility model aims at providing a measure device of contained angle between U type or V type stamping workpiece limit, it can the direct measurement contained angle, has avoided the drawback that needs to be traced back to the drawing among the traditional measuring method, has practiced thrift the manual work, and it is right to combine drawing and detailed implementation now the utility model discloses further explain.

Examples

Referring to fig. 1 to 4, the present embodiment discloses a device for measuring an included angle between edges of a U-shaped or V-shaped stamping part, including a first rod 4 and a second rod capable of abutting against the edges of the U-shaped or V-shaped stamping part, and a protractor 1 hinged to the first rod 4 or the second rod, in the present embodiment, the protractor 1 is hinged to the first rod 4; the first rod piece 4 is hinged with the second rod piece, and a hinged point of the first rod piece 4 and the second rod piece and a hinged point of the protractor 1 and the first rod piece 4 or the second rod piece are positioned on the same axis; wherein, the central position of the protractor 1 is hinged with the first rod 4 or the second rod.

The first rod 4, the second rod and the protractor 1 are hinged through a connecting piece, the connecting piece comprises a first rotating body 2, a second rotating body 3 and a shaft body 5, and the first rotating body 2 and the second rotating body 3 are connected through the shaft body 5.

The first rotating body 2 and the second rotating body 3 are both columnar, the first rotating body 2 and the second rotating body 3 are provided with through grooves penetrating through the side surfaces, the first rod 4 is inserted in the through groove of the first rotating body 2,

the second rod is inserted into the through groove of the second rotating body 3; the outer side of the first or second

rotary body

2, 3, i.e. the upper side of the first rotary body, has a protrusion, to which the centre of the protractor 1 is connected. In the present embodiment, the first rotating body 2 has a protrusion on its outer surface, and the protractor 1 has a central connection protrusion

The protrusion is cylindrical, a small circular hole is formed in the circle center of the protractor 1, and the small hole is in clearance fit with the protrusion.

The opposite surfaces of the first rotating body 2 and the second rotating body 3 are respectively provided with a first round hole and a second round hole, and the first round hole and the second round hole are connected with the shaft body 5.

More specifically, referring to fig. 1 and 3, with the orientation in fig. 3 as a reference system, the protractor 1 is located at the uppermost position of the whole device, the first rotating body 2 is located below the protractor 1, the protractor 1 is connected to the first rotating body 2 through the upper protruding central axis (i.e., the protrusion) of the first rotating body 2, the first rod 4 passes through the first rotating body 2 and can move back and forth, the shaft body 5 is located below the first rotating body 2, the first rotating body 2 is connected to the shaft body 5, the second rotating body 3 is located below the shaft body 5, the shaft body 5 is connected to the second rotating body 3, and the other protractor 1 is inserted into the hole of the second rotating body 3.

The measuring range of the protractor 1 is 0-180 degrees, and the protractor 1 is semicircular. The protractor 1 may use a general protractor 1, and a hole is dug in the center thereof on the basis of the general protractor 1.

The first rod piece 4 and the second rod piece are both straight rods.

The first rod 4 and the second rod are the same length.

The distance between the hinge point of the first rod piece 4 and the second rod piece and the tail end of the first rod piece 4 is equal to the distance between the hinge point of the first rod piece 4 and the second rod piece and the tail end of the second rod piece.

The using method of the present embodiment is to respectively abut the first rod piece 4 and the second rod piece against two oblique edges of the U-shaped or V-shaped stamping piece, adjust the protractor 1, align the zero scale of the protractor 1 with one oblique edge, and read the reading of the protractor 1 at this time.

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

1. A device for measuring an included angle between edges of a U-shaped or V-shaped stamping part is characterized by comprising a first rod piece and a second rod piece which can be abutted against the edges of the U-shaped or V-shaped stamping part, and a protractor for hinging the first rod piece or the second rod piece, wherein the first rod piece is hinged with the second rod piece, and a hinged point of the first rod piece and the second rod piece and a hinged point of the protractor and the first rod piece or the second rod piece are positioned on the same axis; the central position of the protractor is hinged with the first rod piece or the second rod piece.

2. The apparatus for measuring the included angle between the sides of a U-shaped or V-shaped stamped part according to claim 1, wherein the first rod, the second rod and the protractor are hinged through a connecting member, the connecting member comprises a first rotating body, a second rotating body and a shaft body, and the first rotating body and the second rotating body are connected through the shaft body.

3. The device for measuring the included angle between the edges of a U-shaped or V-shaped stamping part as claimed in claim 2, wherein the first rotating body and the second rotating body are both columnar, the first rotating body and the second rotating body are provided with through grooves penetrating through the side faces, the first rod piece is inserted into the through groove of the first rotating body, and the second rod piece is inserted into the through groove of the second rotating body; the surface of the first rotating body or the second rotating body, which is positioned at the outer side, is provided with a protrusion, and the center of the protractor is connected with the protrusion.

4. The apparatus according to claim 3, wherein the protrusion is cylindrical, and the protractor has a circular hole at its center, the hole being in clearance fit with the protrusion.

5. The device for measuring the included angle between the sides of the U-shaped or V-shaped stamped part according to claim 3, wherein the opposite surfaces of the first rotating body and the second rotating body are respectively provided with a first round hole and a second round hole, and the first round hole and the second round hole are connected with the shaft body.

6. The apparatus of claim 3, wherein the protractor is in the range of 0 ° to 180 ° and is in the shape of a semicircle.

7. The device for measuring the included angle between the sides of a U-shaped or V-shaped stamped part according to claim 1, wherein the first bar member and the second bar member are straight bars.

8. The apparatus for measuring the angle between the sides of a U-shaped or V-shaped stamping according to claim 1, wherein the first bar member and the second bar member are the same length.

9. Apparatus for measuring the angle between the sides of a U-shaped or V-shaped stamping according to claim 1, 7 or 8, wherein the hinge point of the first and second bars is located at the same distance from the end of the first bar as the hinge point of the first and second bars is located at the same distance from the end of the second bar.