TW201515732A - Metal plate reinforcement method - Google Patents

Abstract

A metal plate reinforcement method includes: (a) providing a metal plate, in which the metal plate has a first surface and a second surface opposite to each other; (b) stamping a plurality of first protruding portions on the metal plate to protrude on the first surface, so as to form a stamping zone; (c) respectively stamping the first protruding portions, so as to respectively form a plurality of second protruding portions protruding on the second surface; and (d) flattening the second protruding portions to recover the metal plate.

Description

Metal plate reinforcement method

The invention relates to a method for reinforcing a metal plate.

In the process of processing the plate, it is often necessary to provide reinforcing structures such as reinforcing ribs and reinforcing ribs on the plate member to enhance the structural strength of the plate member. However, when an object is mounted on the plate or the plate is subjected to the riveting process, the plate may be affected by the amount of pressure or riveting force generated by the object, so that the originally flat surface of the plate faces a specific one. The direction is uneven or zigzag unevenness. The occurrence of this unevenness will cause the panel to be troubled by the assembly personnel in the subsequent assembly of the related components. For example, in the case of a computer case, the occurrence of a concave or zigzag of the plate may cause the components such as the circuit board to be smoothly locked and mounted on the casing, thereby causing the components such as the circuit board to be improperly squeezed by the casing. damage.

At present, the solution to improve the unevenness of the plate is usually to strengthen the structural strength of the plate (for example, pre-bending the plate or using other design pieces), changing the mold design and forming ability, or passing strict quality. Controls and other means to achieve.

However, the above solution does not increase the cost of materials, that is, Increase analysis costs and mold making costs. Moreover, for the servo base with a size of 1U, if the above-mentioned pre-bending method is used to strengthen the structural strength of the base, the disadvantage of unfavorable assembly may occur; if the design is pulled up to strengthen the structural strength of the base, it may have to face There is insufficient space in the base.

According to an embodiment of the present invention, a metal sheet reinforcement method includes: (a) providing a metal plate member, wherein the metal plate member has opposite first and second surfaces; and (b) stamping the metal plate member by the first a plurality of first protrusions protruding from a surface to form a stamping zone; (c) stamping the first protrusions respectively, thereby forming a plurality of second protrusions protruding from the second surface; and d) Flattening the second projection to cause the metal plate to recover.

In an embodiment of the invention, the metal plate member has opposite first and second edges, and the first punching region and the second punching region extend side by side between the first edge and the second edge.

In an embodiment of the invention, the density of the first protrusion is gradually decreased toward the first edge and the second edge, and the density of the second protrusion is gradually decreased toward the first edge and the second edge.

In an embodiment of the invention, the first protruding portion and the second protruding portion form a punching zone, and the first protruding portion and the second protruding portion are staggered in the punching zone.

According to another embodiment of the present invention, a metal sheet reinforcement method includes: (a) providing a metal plate member, wherein the metal plate member has an opposite first table And a second surface; (b) stamping a plurality of first protrusions protruding from the first surface on the metal plate member; (c) punching a plurality of protrusions from the second surface on the metal plate member a second protrusion, wherein the first protrusion and the second protrusion form a punching zone, and the first protrusion and the second protrusion are staggered in the punching zone; (d) flattening the first protrusion And the second protrusion, causing the metal plate to recover.

In summary, the method for reinforcing the metal plate member of the present invention adopts a method of punching out the protruding portion on the upper and lower sides of the metal plate member, and then flattening the protruding portion to restore the metal plate member, and then in the protruding portion. After the finishing, the material of the metal plate itself is caused to have a stress flow connected to each other, and a strip of stress ribs without space is formed. Therefore, the metal sheet reinforcement method of the invention can solve the problems encountered in the conventional method of using a pre-bending plate member or using other design parts to be lifted, and the metal sheet which is restored after the stamping can not only achieve the proper condition. The structural strength and flatness requirements can also meet the space constraints.

1,1', 1"‧‧‧Metal plates

10‧‧‧ first surface

10a‧‧‧ first edge

10b‧‧‧ second edge

100, 100’‧‧‧ first bulge

102, 102'‧‧‧second bulge

3, 3'‧‧‧Metal sheets

30‧‧‧ first surface

30a‧‧‧ first edge

30b‧‧‧second edge

300, 300’‧‧‧ first bulge

302, 302’‧‧‧second bulge

Z1, Z2‧‧‧ stamping area

S100~S306‧‧‧Steps

FIG. 1 is a flow chart showing a method for reinforcing a metal plate according to an embodiment of the present invention.

2A is a perspective view showing a metal plate member according to an embodiment of the present invention.

FIG. 2B is a perspective view showing the first protruding portion punched on the metal plate member in FIG. 2A.

FIG. 2C is a perspective view showing the second protruding portion punched on the metal plate member in FIG. 2B.

Fig. 2D is a perspective view showing the restoration of the metal plate member in Fig. 2C.

FIG. 3A is a perspective view showing the metal plate member in FIG. 2B in another embodiment.

FIG. 3B is a perspective view showing the metal plate member in FIG. 2C in another embodiment.

FIG. 4 is a flow chart showing a method for reinforcing a metal plate according to another embodiment of the present invention.

FIG. 5A is a perspective view showing a metal plate member according to an embodiment of the present invention.

FIG. 5B is a perspective view showing the first protruding portion and the second protruding portion punched on the metal plate member in FIG. 5A.

Fig. 5C is a perspective view showing the restored metal plate member in Fig. 5B.

Fig. 6 is a perspective view showing the metal plate member in Fig. 5B in another embodiment.

The embodiments of the present invention are disclosed in the following drawings, and for the purpose of clarity However, it should be understood that these practical details are not intended to limit the invention. That is, in some embodiments of the invention, these practical details are not necessary. In addition, some of the conventional structures and elements are shown in the drawings in a simplified schematic representation.

Please refer to FIG. 1 , FIG. 2A , FIG. 2B , FIG. 2C and FIG. 2D . FIG. 1 is a flow chart showing a method for reinforcing a metal plate according to an embodiment of the present invention. 2A is a perspective view showing a metal plate member 1 according to an embodiment of the present invention. FIG. 2B is a perspective view showing the first projection 100 stamped on the metal plate member 1 in FIG. 2A. 2C is a perspective view showing the second projection 102 punched on the metal plate member 1 in FIG. 2B. Fig. 2D is a perspective view showing the restoration of the metal plate member 1' in Fig. 2C.

As shown in FIGS. 1 to 2D, in the present embodiment, the metal plate reinforcement method includes steps S100 to S106.

Step 100: Providing a metal plate member 1. Wherein, the metal plate member 1 has an opposite first surface 10 and a second surface (not shown, located on the other side of the first surface 10).

Step S102: punching a plurality of first protrusions 100 protruding from the first surface 10 on the metal plate member 1, thereby forming a first punching zone Z1.

Step S104: stamping the first protrusions 100, respectively, and forming a plurality of second protrusions 102 protruding from the second surface (that is, recessed by the first surface 10).

Step 5106: Flattening the second projection 102 causes the sheet metal member 1' to be restored. That is, the metal plate member 1' in Fig. 2C is flattened to be converted into the metal plate member 1" in Fig. 2D.

As shown in FIG. 2B, in the present embodiment, the metal plate member 1 has a first first edge 10a and a second edge 10b. Moreover, the first punching zone Z1 formed by the first protruding portion 100 extends between the first edge 10a and the second edge 10b of the metal plate member 1. And, the first protruding portion 100 is Uniformly distributed in the first stamping zone Z1 (as shown in FIG. 2B), and the second projections 102 are evenly distributed in the second stamping zone Z1 (as shown in FIG. 2C).

Thereby, the sheet metal 1" which is restored after the stamping can not only achieve the flatness requirement, but also can generate a uniform stress flow in the material of the metal sheet 1" itself, thereby achieving the effect of increasing the structural strength. The metal sheet 1" which is restored to the original state after being punched in the embodiment can be made into a servo base in the subsequent processing, but the invention is not limited thereto.

In addition, as shown in FIG. 2B and FIG. 2C, in the present embodiment, the shape and size of the first protruding portion 100 are the same, and the shape and size of the second protruding portion 102 are the same, but the present invention does not For this reason, the parameters such as the shape, size, distribution position, and density of the first protruding portion 100 and the second protruding portion 102 can be adjusted as needed.

Please refer to Figure 3A and Figure 3B. FIG. 3A is a perspective view showing the metal plate member 1 in FIG. 2B in another embodiment. Fig. 3B is a perspective view showing the metal plate member 1' in Fig. 2C in another embodiment.

As shown in Fig. 3A, in the present embodiment, the density of the first projections 100' is gradually decreased toward the first edge 10a and the second edge 10b of the metal plate member 1. As shown in Fig. 3B, in the present embodiment, the density of the second projections 102' is gradually decreased toward the first edge 10a and the second edge 10b of the metal plate member 1'. Therefore, for the sheet metal 1" which is restored to the original state after the stamping, the degree of stress concentration at the center of the sheet metal 1" is greater than the degree of stress concentration at the first edge 10a and the second edge 10b of the sheet metal 1". Change sentence In other words, the structural strength at the center of the metal sheet 1" may be greater than the structural strength at the first edge 10a and the second edge 10b of the metal sheet 1".

Therefore, it can be seen that the second protruding portion 102 punched out from the first protruding portion 100 punched out according to the distribution pattern in FIG. 2B and the distribution pattern in the second FIG. 2 is according to the present embodiment. The first projections 100' (i.e., Fig. 3A) and the second projections 102' (i.e., Fig. 3B) punched out by the distribution pattern of the mode can have the center of the metal sheet 1" The deformation resistance is better. Therefore, when the metal sheet 1" is used to carry the article in the embodiment, the extent of the concave deformation (for example, the amount of deformation) at the center is small.

Please refer to FIG. 4, FIG. 5A, FIG. 5B, and FIG. 5C. FIG. 4 is a flow chart showing a method for reinforcing a metal plate according to another embodiment of the present invention. Fig. 5A is a perspective view showing a metal plate member 3 according to an embodiment of the present invention. FIG. 5B is a perspective view showing the first protruding portion 300 and the second protruding portion 302 stamped on the metal plate member 3 in FIG. 5A. Fig. 5C is a perspective view showing the restoration of the metal plate member 3 in Fig. 5B.

As shown in FIGS. 4 to 5C, in the present embodiment, the metal plate reinforcement method includes steps S300 to S306.

Step 300: Providing a metal plate member 3. Wherein, the metal plate member 3 has an opposite first surface 30 and a second surface (not shown, located on the other side of the first surface 30).

Step S302: punching a plurality of first protrusions 300 protruding from the first surface 30 on the metal plate member 3.

Step S304: punching the second surface convex on the metal plate member 3 a plurality of second protrusions 302 (i.e., recessed by the first surface 30), wherein the first protrusions 300 and the second protrusions 302 form a stamping zone Z2, and the first protrusions 300 and The two projections 302 are staggered in the stamping zone Z2.

Step S306: flattening the first protruding portion 300 and the second protruding portion 302, so that the metal plate member 3 is restored. That is, the metal plate member 3 in Fig. 5B is flattened to be converted into the metal plate member 3' in Fig. 5C.

As shown in FIG. 5B, in the present embodiment, the metal plate member 3 has opposite first and second edges 30a, 30b. Moreover, the punching zone Z2 formed by the first protruding portion 300 and the second protruding portion 302 extends between the first edge 30a and the second edge 30b of the metal plate member 3. Further, the first protruding portion 300 and the second protruding portion 302 are uniformly distributed in the punching zone Z2.

Thereby, the sheet metal 3' which is restored to the original state after the stamping can not only achieve the flatness requirement, but also a uniform stress flow in the material of the metal sheet member 3' itself, thereby achieving the effect of increasing the structural strength.

Please refer to FIG. 6 , which is a perspective view showing the metal plate member 3 in FIG. 5B in another embodiment.

As shown in FIG. 6, in the present embodiment, the density of the first protruding portion 300' is gradually decreased toward the first edge 30a and the second edge 30b of the metal plate member 3, and the density of the second protruding portion 302' is oriented. The first edge 30a and the second edge 30b of the metal plate member 3 are tapered. Therefore, for the metal sheet 3' which is restored to the original state after the stamping, the stress concentration at the center of the metal sheet 3' is greater than the first edge 30a and the second edge 30b of the metal sheet 3'. The degree of stress concentration at the place. In other words, the structural strength at the center of the metal sheet 3' may be greater than the structural strength at the first edge 30a and the second edge 30b of the metal sheet 3'.

Therefore, it can be seen that the first protruding portion 300 and the second protruding portion 302 which are punched out according to the distribution pattern in FIG. 5B are stamped according to the distribution pattern of the present embodiment (that is, FIG. 6). The first protruding portion 300' and the second protruding portion 302' can have better deformation resistance at the center of the metal sheet 3'. Therefore, in the present embodiment, when the metal sheet 3' is used to carry an article, the degree of concave deformation (e.g., deformation amount) at the center is small.

From the above detailed description of the specific embodiments of the present invention, it can be clearly seen that the metal plate member reinforcing method of the present invention adopts a method of punching out the protruding portion on the upper and lower sides of the metal plate member, and then flattening and returning the protruding portion. The method of restoring the metal plate member, and then, after the protrusions are finished, the material of the metal plate itself is caused to have a stress flow connected to each other, and a strip of stress rib having no space is formed. Therefore, the metal sheet reinforcement method of the invention can solve the problems encountered in the conventional method of using a pre-bending plate member or using other design parts to be lifted, and the metal sheet which is restored after the stamping can not only achieve the proper condition. The structural strength and flatness requirements can also meet the space constraints.

The present invention has been disclosed in the above embodiments, and is not intended to limit the scope of the present invention, and the invention may be modified and modified in various ways without departing from the spirit and scope of the invention. The scope is subject to the definition of the scope of the patent application.

S100~S106‧‧‧Steps

Claims (8)

A metal sheet reinforcement method comprising: (a) providing a metal plate member, wherein the metal plate member has a first surface and a second surface; and (b) punching the metal plate member a plurality of first protrusions protruding from a surface, thereby forming a stamping zone; (c) stamping the first protrusions respectively, thereby forming a plurality of second protrusions protruding from the second surface And (d) flattening the second projections to cause the metal plate to recover. The metal sheet reinforcement method of claim 1, wherein the metal sheet member has a first edge and a second edge, and the stamping region extends between the first edge and the second edge. . The method for reinforcing a metal plate according to claim 2, wherein the density of the first protrusions decreases toward the first edge and the second edge, and the density of the second protrusions faces the first An edge and the second edge taper. The metal plate reinforcement method of claim 1, wherein the first protrusions have the same shape and size, and the second protrusions have the same shape and size. A metal plate reinforcement method comprising: (a) providing a metal plate member, wherein the metal plate member has a first surface and a second surface; and (b) stamping a plurality of first portions of the metal plate member a plurality of second protrusions protruding from the second surface are stamped on the metal plate member, wherein the first protrusions and the second protrusions form a stamping a region, and the first protrusions and the second protrusions are staggered in the stamping zone; and (d) flattening the first protrusions and the second protrusions, thereby causing the The metal plate is restored. The metal sheet reinforcement method of claim 5, wherein the metal sheet member has a first edge and a second edge, and the stamping region extends between the first edge and the second edge . The method for reinforcing a metal plate according to claim 6, wherein the density of the first protrusions decreases toward the first edge and the second edge, and the density of the second protrusions faces the first An edge and the second edge taper. The metal plate reinforcement method according to Item 5, wherein the first protrusions have the same shape and size, and the second protrusions have the same shape and size.