A combined punching die for punching, bending and shaping bearing bushes
A technology for forming molds and shaping punches, which is applied in the field of punching molds, and can solve the problems of occupying too many punching machines, low efficiency, and large labor.
Active Publication Date: 2017-02-22
NINGBO BUSH FACTORY
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Problems solved by technology
[0002] In the prior art, punching and forming bearing bushes need to go through two processes of punching and shaping, and two sets of molds for punching and shaping are required, that is, first use the punching die to bend the sheet material to obtain the bent material, and then pass the shaping mold to bend the material The molding material of the bearing bush is obtained by stamping and shaping; such secondary molding requires a lot of labor, occupies a lot of punching machines, has low efficiency, high scrap rate, and high cost; therefore, the existing technology has the problems and shortcomings of low efficiency and high cost
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[0024] refer to Figure 1 to Figure 4 , a combined punching and forming mold for punching, bending and shaping bearing bushes of the present invention includes a lower mold 1, an upper mold 2, and a feeder 3, wherein: the lower mold 1 is composed of a base 11 and a concave mold, and the The base 11 is a rectangular plate-shaped steel member; the die is a trapezoidal block die steel member with a semicircular through-groove cavity in the center of the upper part, and the left part of the die cavity is called Stamping and bending die 12, the right part of the die cavity of the die is called the shaping die 13; the die is fixedly connected to the right part above the base 11;
[0025] The upper mold 2 is composed of an upper template 21, a punching and bending punch 22, and a shaping punch 23. The upper template 21 is a steel member in the shape of a rectangular plate; the punching and bending punch 22 is provided with left and right The rectangular block-shaped mold steel compo...
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The invention discloses a combined punching forming die for bending and shaping of a bearing bush. The combined punching forming die comprises a lower die body (1), an upper die body (2) and a feeder (3). According to the die composed of the components, the lower die body is provided with a bending concave die and a shaping concave die; the upper die body is provided with a bending convex die and a shaping convex die; the feeder is provided with a sliding block and a spring, and the sliding block is provided with a sheet stock push surface and a bent stock push block. In the operating process, the upper die body conducts downward punching, the sliding block drives the sheet stock push surface and the bent stock push block to retract, and the bending convex die punches sheet stock located on the bending concave die into bent stock; when the upper die body returns, the spring pushes the sliding block to return, the sheet stock push surface pushes the sheet stock onto the bending concave die, and the bent stock push block pushes the bent stock into the shaping convex die; the upper die body conducts downward punching again, the bending convex die punches the sheet stock into the bent stock again, and meanwhile the shaping convex die punches and shapes the bent stock located in the shaping concave die into formed stock. By the adoption of the technical scheme that bending and shaping are conducted cyclically in this way for combined punching forming of the bearing bush, punching forming of the bearing bush achieves the purposes of improving efficiency and lowering cost.
Description
technical field [0001] The invention relates to a stamping mold for bearing bush production, in particular to a combined stamping mold for punching, bending and shaping bearing bushes. Background technique [0002] In the prior art, punching and forming bearing bushes need to go through two processes of punching and shaping, and two sets of molds for punching and shaping are needed, that is, first use the punching die to bend the sheet material to obtain the bent material, and then use the shaping mold to bend the bent material The molding material of the bearing bush is obtained by stamping and shaping; such secondary molding requires a lot of labor, occupies a lot of punching machines, has low efficiency, high scrap rate, and high cost; therefore, the existing technology has the problems and shortcomings of low efficiency and high cost. Contents of the invention [0003] For the problems and deficiencies in the above-mentioned prior art, the present invention adopts a de...
Claims
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IPC IPC(8): B21D37/10B21D43/02
CPCB21D37/10B21D43/05
Inventor 郭翠琴赵卫国
Owner NINGBO BUSH FACTORY