A bending corner mold for a washing machine case

Abstract

The invention discloses a bending corner mold for a washing machine housing, comprising an upper mold base, a lower mold base, an upper pad, a lower pad, an upper fixed plate, a lower fixed plate, a pressing plate, a bending corner punch and a bending corner concave mold, wherein the bending corner punch comprises a first bending punch, a second bending punch and a corner punch, the bending corner concave mold has a first straight edge in the left-right direction, the bending corner concave mold has a second straight edge in the front-back direction, the right end of the first bending punch is provided with a first inclined surface, one end of the corner punch is provided with a second inclined surface, the rear end of the second bending punch is provided with a third inclined surface, the other end of the corner punch is provided with a fourth inclined surface, the lower end surface of the first bending punch is flush with the lower end surface of the second bending punch, and the lower end surface of the first bending punch is located below the lower end surface of the corner punch. By adopting the invention to bend the corner of the washing machine housing, no imprint will appear on the bending edge, which greatly improves the product quality.

Description

Technical Field

[0001] The invention relates to the technical field of moulds, and in particular to a corner bending mould for a washing machine case. Background Art

[0002] Drum washing machines are becoming more and more popular among users due to their advantages such as washing efficiency, cleanliness and little wear and tear on clothes.

[0003] The cabinet is one of the important components of a drum washing machine. The cabinet of a drum washing machine needs to be bent and cornered during production. The existing bending and cornering mold for producing the cabinet of a drum washing machine has a planar structure at one end of the cornering punch, which is spliced ​​with the end face of the first bending punch, and the other end of the cornering punch is also a planar structure, which is spliced ​​with the end face of the second bending punch. After the drum washing machine cabinet bending and cornering mold with this structural form is used for bending and cornering, imprints will appear on the cabinet of the drum washing machine at the splicing edges of the first bending punch and the cornering punch and at the splicing edges of the second bending punch and the cornering punch, affecting the product quality. Therefore, it is urgently needed to be solved. Summary of the invention

[0004] The purpose of the present invention is to address the above-mentioned problems and provide a bending and corner wrapping mold for a washing machine case to solve the problem that when using the existing bending and corner wrapping mold for a washing machine case to bend the corners, imprints will appear at the splicing edges of the first bending punch and the corner wrapping punch and at the splicing edges of the second bending punch and the corner wrapping punch, thereby affecting product quality.

[0005] The purpose of the present invention is to be achieved through the following technical solutions:

[0006] A bending corner mold for a washing machine body, comprising an upper mold base, a lower mold base, an upper pad, a lower pad, an upper fixed plate, a lower fixed plate, a pressure plate, a bending corner punch and a bending corner die, the upper pad is connected to the lower end of the upper mold base, the pressure plate and the upper fixed plate are connected to the lower end of the upper pad, the lower pad is connected to the upper end of the lower mold base, the lower fixed plate is connected to the upper end of the lower pad, the bending corner die is connected to the lower fixed plate, the bending corner punch is installed on the upper fixed plate, and the bending corner punch comprises a first bending punch, a second bending punch and a corner punch, the first bending punch is arranged in the left-right direction, the second bending punch is arranged in the front-back direction, the corner punch is located at the right end of the first bending punch, and the corner punch is located at the rear end of the second bending punch, the bending The corner wrapping die has a first straight edge in the left-right direction, and the bending corner wrapping die has a second straight edge in the front-to-back direction, the right end of the first bending punch is provided with a first inclined surface, and the first inclined surface is an inclined surface inclined downward from left to right, one end of the corner wrapping punch is provided with a second inclined surface matched with the first inclined surface, the rear end of the second bending punch is provided with a third inclined surface, and the third inclined surface is an inclined surface inclined downward from front to back, the other end of the corner wrapping punch is provided with a fourth inclined surface matched with the third inclined surface, the lower end face of the first bending punch is flush with the lower end face of the second bending punch, and the lower end face of the first bending punch is located below the lower end face of the corner wrapping punch, the right end head of the first bending punch is at the right end of the first straight edge, and the rear end head of the second bending punch is at the rear end of the second straight edge.

[0007] As a preferred solution of the present invention, the straight-line distance between the lower end surface of the corner wrap punch and the lower end surface of the first bending punch is 5 mm.

[0008] As a preferred solution of the present invention, the straight-line distance between the right end of the first bending punch and the right end of the first straight edge is 1.4 mm.

[0009] As a preferred solution of the present invention, the straight-line distance between the rear end end of the second bending punch and the rear end end of the second straight edge is 1.4 mm.

[0010] As a preferred solution of the present invention, the pressing plate is connected to the upper pad via a spring.

[0011] The beneficial effect of the present invention is that by adopting the present invention to bend the corners of the washing machine body, no embossing will appear on the bent edges, thereby greatly improving the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1It is a structural schematic diagram of a bending corner mold for a washing machine case;

[0013] Figure 2 It is the front view of the matching structure of the bending punch and the bending die;

[0014] Figure 3 It is a top view of the matching structure of the bending punch and the bending die.

[0015] In the figure:

[0016] 1. Pressing plate; 2. Upper fixing plate; 3. Spring; 4. Bending corner die; 5. First bending punch; 6. Second bending punch; 7. Corner punch. DETAILED DESCRIPTION

[0017] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the embodiments described herein are only used to explain the present invention, rather than to limit the present invention.

[0018] Please refer to Figures 1 to 3 As shown, Figure 1 It is a structural schematic diagram of a bending corner mold for a washing machine case; Figure 2 It is the front view of the matching structure of the bending punch and the bending die; Figure 3 It is a top view of the matching structure of the bending punch and the bending die.

[0019] In this embodiment, a bending corner mold for a washing machine body includes an upper mold base, a lower mold base, an upper pad, a lower pad, an upper fixed plate 2, a lower fixed plate, a pressure plate 1, a bending corner punch and a bending corner die 4, the upper pad is connected to the lower end of the upper mold base, the pressure plate 1 is connected to the upper pad through a spring 3, the upper fixed plate 2 is connected to the lower end of the upper pad, the lower pad is connected to the upper end of the lower mold base, the lower fixed plate is connected to the upper end of the lower pad, the bending corner die 4 is connected to the lower fixed plate, the bending corner punch is installed on the upper fixed plate 2, and the bending corner punch includes a first bending punch 5, a second bending punch 6, and a corner punch 7, the first bending punch 5 is arranged in the left-right direction, the second bending punch 6 is arranged in the front-back direction, the corner punch 7 is located at the right end of the first bending punch 5, and the corner punch 7 is located at the second bending At the rear end of the bending punch 6, the bending corner die 4 has a first straight edge in the left-right direction, and the bending corner die 4 has a second straight edge in the front-back direction, the right end of the first bending punch 5 is provided with a first inclined surface, and the first inclined surface is an inclined surface inclined downward from left to right, one end of the corner punch 7 is provided with a second inclined surface matched with the first inclined surface, the rear end of the second bending punch 6 is provided with a third inclined surface, and the third inclined surface is an inclined surface inclined downward from front to back, and the other end of the corner punch 7 is provided with a fourth inclined surface matched with the third inclined surface, the lower end face of the first bending punch 5 is flush with the lower end face of the second bending punch 6, and the lower end face of the first bending punch 5 is located below the lower end face of the corner punch 7, the right end head of the first bending punch 5 is at the right end of the first straight edge, and the rear end head of the second bending punch 6 is at the rear end of the second straight edge.

[0020] Specifically, in this embodiment, the straight-line distance b between the lower end surface of the corner wrap punch 7 and the lower end surface of the first bending punch 5 is 5 mm.

[0021] Specifically, in this embodiment, the straight-line distance a between the right end of the first bending punch 5 and the right end of the first straight edge is 1.4 mm.

[0022] Specifically, in this embodiment, the straight-line distance between the rear end of the second bending punch 6 and the rear end of the second straight edge is 1.4 mm.

[0023] The above-mentioned bending and corner wrapping mold for the washing machine body, since the first bending punch 5 cooperates with the corner wrapping punch 7 through an inclined surface, and the second bending punch 6 cooperates with the corner wrapping punch 7 through an inclined surface, so that the right end of the first bending punch 5 can be at the right end of the first straight side of the bending corner wrapping die 4, and the rear end of the second bending punch 6 is at the rear end of the second straight side of the bending corner wrapping die 4, thereby avoiding imprinting on the bending edge, and since the lower end surface of the first bending punch 5 is flush with the lower end surface of the second bending punch 6, the lower end surface of the first bending punch 5 is located below the lower end surface of the corner wrapping punch 7, so that bending can be performed first and then corner wrapping, further avoiding imprinting on the bending edge.

[0024] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subjected to various changes and modifications, which are within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims.

Claims

1. A bending corner mold for a washing machine body, comprising an upper mold base, a lower mold base, an upper pad, a lower pad, an upper fixed plate, a lower fixed plate, a pressure plate, a bending corner convex mold and a bending corner concave mold, wherein the upper pad is connected to the lower end of the upper mold base, the pressure plate and the upper fixed plate are connected to the lower end of the upper pad, the lower pad is connected to the upper end of the lower mold base, the lower fixed plate is connected to the upper end of the lower pad, the bending corner concave mold is connected to the lower fixed plate, and the bending corner convex mold is connected to the lower fixed plate. The mold is installed on the upper fixed plate, and the bending corner punch comprises a first bending punch, a second bending punch, and a corner punch. The first bending punch is arranged in the left-right direction, and the second bending punch is arranged in the front-back direction. The corner punch is located at the right end of the first bending punch, and the corner punch is located at the rear end of the second bending punch. The bending corner die has a first straight edge in the left-right direction, and the bending corner die has a second straight edge in the front-back direction. It is characterized in that: The right end of the first bending punch is provided with a first inclined surface, which is an inclined surface inclined downward from left to right, one end of the corner punch is provided with a second inclined surface matched with the first inclined surface, the rear end of the second bending punch is provided with a third inclined surface, which is an inclined surface inclined downward from front to back, and the other end of the corner punch is provided with a fourth inclined surface matched with the third inclined surface, the lower end face of the first bending punch is flush with the lower end face of the second bending punch, and the lower end face of the first bending punch is located below the lower end face of the corner punch, the right end of the first bending punch is at the right end of the first straight edge, and the rear end of the second bending punch is at the rear end of the second straight edge.

2. The corner bending die for a washing machine housing according to claim 1, characterized in that: The straight-line distance between the lower end surface of the corner wrap punch and the lower end surface of the first bending punch is 5 mm.

3. The corner bending die for a washing machine housing according to claim 1, characterized in that: The straight-line distance between the right end of the first bending punch and the right end of the first straight edge is 1.4 mm.

4. The corner bending die for a washing machine housing according to claim 1, characterized in that: The straight-line distance between the rear end of the second bending punch and the rear end of the second straight edge is 1.4 mm.

5. A corner bending die for a washing machine housing according to any one of claims 1 to 4, characterized in that: The pressing plate is connected to the upper pad through a spring.

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