CN214081391U - Marking device for U-shaped part bending line of mining truck - Google Patents

Abstract

The utility model discloses a marking device of mining truck U type spare bend line, include: the template comprises a template body, wherein the template body is provided with a long eyelet, the side edge of the upper part of the template body is provided with a plurality of linear bulges, the linear bulges are in the shape of a right-angled triangle, one right-angled edge of each linear bulge is connected with the side edge of the template body, the edge of the other right-angled edge is used as a positioning edge, and the positioning edge is used for drawing short marking lines of a bending line; the lower side of the sample plate body is a straight line side which is used for drawing a straight line section connecting two marking short lines. The utility model discloses can guarantee the marking off precision of bending line, improve the rate of accuracy of marking off, marking off efficiency greatly, reduce working strength.

Description

Marking device for U-shaped part bending line of mining truck

Technical Field

The utility model belongs to the technical field of mining truck U type spare, concretely relates to marking device of mining truck U type spare press bending line.

Background

Along with the change and the upgrade of mining truck structure, U type spare has been used in a large number to replace traditional panel ribbed groove structure. The mining truck has great advantages in the aspect of light weight of a carriage, but the mining truck mostly adopts high-strength plates, so that the size of parts is large, and the requirement on size precision is strict. The production limitation of the existing equipment enables most of U-shaped parts to be bent by the press section.

Fig. 1 is a schematic view showing a U-shaped member in the prior art.

The U-shaped part is formed by segmented bending, wherein the distribution design quantity and the scribing quality of bending lines play a crucial role in the quality of the final formed U-shaped part. Because the size of the mining automobile part is large, the number of bending lines is large, the bending lines need to be uniformly distributed, in order to ensure the quality of the U-shaped part after bending forming, the marking of the bending lines generally uses a steel plate ruler to find out two points of each bending line one by one, and finally the two points are connected with each other to form the bending lines.

Because the space that makes the line of buckling after the line of buckling is equallyd divide is not all an integer, and the scale precision of steel plate chi is not so high to it is inaccurate to rule, because the part is big in addition, needs many or dozens of line of buckling even, and the manual work is rule one by one, and is inefficient, easily produces and reads the chi fatigue, thereby increases the probability of ruling mistake, utilizes the manual defect of ruling existence of steel plate chi specifically as follows:

1. because the distance between the bending lines is not all integers after the bending lines are equally divided, and the scale precision of the steel plate ruler is not so high, the marking is inaccurate.

2. Because the part is big, need many dozens of bending lines even, the efficiency of artifical marking off one by one is low, easily produces the reading ruler fatigue to increase the probability of marking off the mistake.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of marking error and the like caused by the fact that the marking efficiency is low by utilizing a steel plate ruler, the non-integral size precision is difficult to guarantee and the ruler reading fatigue is easy to generate, the utility model provides a marking device and a using method for a U-shaped piece bending line of a mining truck.

In order to achieve the above object, the utility model uses the technical solution that:

marking device of mining car U type spare bend line includes: the template comprises a template body, wherein the template body is provided with a long eyelet, the side edge of the upper part of the template body is provided with a plurality of linear bulges, the linear bulges are in the shape of a right-angled triangle, one right-angled edge of each linear bulge is connected with the side edge of the template body, the edge of the other right-angled edge is used as a positioning edge, and the positioning edge is used for drawing short marking lines of a bending line; the lower side of the sample plate body is a straight line side which is used for drawing a straight line section connecting the marking short lines at two same positions.

Further, the method also comprises an unfolding steel plate, and the press bending line is drawn on the unfolding steel plate.

Further, the distance between the linear protrusions is set according to the distance between the bending lines, and the position of the linear protrusion gives the scribing position of the bending lines.

Furthermore, the sample plate body and the linear protrusions are the same in thickness, and the thickness of the sample plate body is 2-6 mm.

Further, the linear bulge is used for determining the position of the bending line, and the end part of the linear bulge adopts circular arc transition.

Furthermore, the shape of the linear protrusion is L-shaped, one end part of the linear protrusion is connected to the sample plate body, a notch is formed between the linear protrusion of the L-shaped and the sample plate body, and the width of the notch is the length of the mark short line.

The utility model discloses technical effect includes:

1. the marking precision is ensured, and the marking accuracy is greatly improved;

2. the scribing efficiency is greatly improved, and the efficiency is improved more obviously when the number of bending lines is more;

3. the scribing error probability is reduced, the operation intensity is reduced, and the scribing error caused by the fatigue of the reading ruler is avoided.

Drawings

FIG. 1 is an expanded schematic view of a prior art U-shaped member;

fig. 2 is a schematic structural view of the middle marking device of the present invention;

FIG. 3 is a schematic view of a press bending line drawn by a scribing apparatus according to the present invention;

fig. 4 is a schematic view of the utility model discloses in utilize marking device to connect the press bending line.

Detailed Description

The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.

As shown in fig. 2, it is a schematic structural diagram of the middle scribing device of the present invention.

Marking device of mining car U type spare bend line includes: the side part of the sample plate body 1 is provided with a plurality of linear protrusions 2, the distance between the linear protrusions 2 is set according to the distance between bending lines of parts, and the positions of the linear protrusions 2 provide the marking positions of the bending lines.

The shape of the linear protrusion 2 is a right triangle, a right-angle side of the linear protrusion 2 is connected with the side of the sample plate body 1, the edge of the other right-angle side is used as a positioning side, and the positioning side is a marking position of a press bending line and used for drawing a mark short line of the press bending line. The scribing position is marked by two sections of marking short lines. The shape of the linear protrusion 2 can also be L-shaped, one end of the linear protrusion 2 is connected to the sample plate body 1, a gap is formed between the L-shaped linear protrusion 2 and the sample plate body 1, the width of the gap is the length of the mark short line 5, and the length of the mark short line 5 is limited and unified.

The marking device is manufactured by numerical control programming blanking so as to ensure the accuracy of the drawn bending line. The scribing device is aluminium alloy sheet spare, the light in weight of such model, easy operation, the utility model discloses in, model body 1, the protruding 2 adoption the same thickness of straight line, the thickness of model body 1 is any specification between 2mm-6mm, further preferred 3mm, and the material is not restricted the aluminum alloy simultaneously, also can be the steel sheet.

The linear bulge 2 is used for determining the position of a bending line, and the end part of the linear bulge 2 adopts circular arc transition to play a role in safety protection; the template body 1 is provided with 4 long holes 3, and the long holes 3 are used for hanging the template during placement; the lower part of the sample plate body 1 is a straight line edge 4, the straight line edge 4 is used for drawing a straight line segment of a bending line, and the straight line segment is used for connecting mark short lines 5 on the same positions of the upper part and the lower part of a part, so that the whole bending line is drawn.

As shown in fig. 3, the drawing device of the present invention is used to draw a bending line; fig. 4 is a schematic view of the bending line connected by the scribing device according to the present invention.

A method of using a scribing apparatus, comprising:

step 1: placing a marking device on an unfolded steel plate 6 of the U-shaped part according to a positioning reference, enabling the marking device to be close to the upper end edge of the unfolded steel plate 6, enabling the linear bulge 2 to point to the upper end edge, and marking a marking short line 5 of a first bending line according to positioning characteristics and a positioning edge by using a marking pen (a talc pen);

the first drawn marking short line 5 is generally the first position point of the bending line, and the right-angle side of the straight line bulge 2 at different positions can be selected for drawing the first position point of the bending line. The positioning reference is a straight edge of the curved part, and further, the positioning reference is a positioning reference of the curved part, and the positioning reference of the curved part is a straight edge surface in the curved direction.

Step 2: placing the marking device on an unfolded steel plate 6 of the U-shaped part according to a positioning reference, wherein the marking device is close to the lower end edge of the unfolded steel plate 6, and the linear bulge 2 points to the upper end edge; marking a mark short line 5 of a second bending line according to the positioning characteristics and the positioning edges on the sample plate by using a talc pen;

the second drawn marking short line 5 is generally the second position point of the press bending line, and the right-angle side of the straight line bulge 2 at different positions can be selected for drawing the second position point of the press bending line. And marking an upper position point and a lower position point of a bending line on the part by using the talc pen according to the positioning characteristics and the positioning edge of the marking device.

And step 3: the straight line edge 4 of the sample plate body 1 is aligned with the two marking short lines 5 in the same sequence, and the straight line section is used for connecting the two marking short lines 5 to finish drawing of a bending line.

And 4, step 4: and sequentially drawing subsequent marked short lines and bending lines until the drawing of all the bending lines is completed.

The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (6)

1. The utility model provides a marking device of mining car U type spare press bending line which characterized in that includes: the template comprises a template body, wherein the template body is provided with a long eyelet, the side edge of the upper part of the template body is provided with a plurality of linear bulges, the linear bulges are in the shape of a right-angled triangle, one right-angled edge of each linear bulge is connected with the side edge of the template body, the edge of the other right-angled edge is used as a positioning edge, and the positioning edge is used for drawing short marking lines of a bending line; the lower side of the sample plate body is a straight line side which is used for drawing a straight line section connecting the marking short lines at two same positions.

2. The marking device for the U-shaped member bending line of the mining truck as claimed in claim 1, characterized by further comprising an unfolded steel plate, wherein the bending line is drawn on the unfolded steel plate.

3. The marking device for the bent line of a U-shaped member of a mining vehicle as claimed in claim 1, wherein the distance between the linear protrusions is set according to the distance between the bent lines, and the position of the linear protrusion gives the marking position of the bent line.

4. The marking device for the U-shaped member bending line of the mining truck as claimed in claim 1, wherein the sample plate body and the linear protrusion are of the same thickness, and the thickness of the sample plate body is 2mm-6 mm.

5. The marking device for the U-shaped member bending line of the mining truck as claimed in claim 1, characterized in that the linear bulge is used for determining the position of the bending line, and the end part of the linear bulge adopts a circular arc transition.

6. The marking device for the U-shaped member bending line of the mining truck as claimed in claim 1, wherein the shape of the linear protrusion is L-shaped, one end part of the linear protrusion is connected to the sample plate body, a gap is formed between the L-shaped linear protrusion and the sample plate body, and the width of the gap is the length of the marking short line.

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