String bead cold stamping die and string bead production method using same
A technology of cold pressing and beading, applied in the field of diamond wire saw manufacturing, can solve the problems of increasing labor burden of workers, limiting production efficiency, beading quality problems, etc., achieving good practicability and economy, ensuring quality, and solving difficult demoulding. Effect
Active Publication Date: 2016-11-09
GUANGZHOU CRYSTAL TECH
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Problems solved by technology
[0003] The above-mentioned cold pressing die and the beading production method using the cold pressing die have the following problems: first, the cold pressing die must be disassembled again for each cold pressing, which not only severely limits the production efficiency, but also increases the labor burden of the workers; Secondly, when disassembling the cold die, it is difficult to ensure that the recesses of adjacent structures can be aligned every time, and it is easy to cause beading quality problems due to the dislocation of the recesses of adjacent structures
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Embodiment 1
[0024] As shown in the figure, the beaded cold pressing die of this embodiment is composed of a stripping module 1, a base 2, an outer mold 3, a lower pressure head 4, a base body 5, a core 6, an upper pressure head 7, and a reset block 8. The outer mold 3 The center of the center is vertically provided with several die holes 31 that pass through its top surface and bottom surface; the top surface of the base 2 is protrudingly provided with a demoulding rod 21, and the diameter of the demoulding rod 21 is smaller than the diameter of the die hole 31; the top surface of the base 2 passes through The pit 22 is fixed with a spring 23 to form an elastic support portion; the position of the ejector lever 21 corresponds to the die hole 31, the position of the spring 23 is staggered from the position of the die hole 31, and the top of the spring 23 extends into the outer mold 3 in the pit on the bottom. The mold hole 31 is arranged in the center of the outer mold 3 and arranged in an...
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Abstract
The invention aims to provide a string bead cold stamping die and a string bead production method using the same. String beads in a diamond wire saw can be efficiently produced in a high-quality mode. The string bead cold stamping die is composed of a knockout block, a base, an outer die, lower pressing heads, base bodies, die cores and upper pressing heads. The outer die is vertically provided with through die holes. Knockout rods and elastic supporting parts are arranged on the top surface of the base in a protruding mode. The positions of the knockout rods correspond to those of the die holes, and the diameter of each knockout rod is smaller than that of the corresponding die hole. The elastic supporting parts and the die holes are staggered in position. The upper pressing heads and the base bodies are both of a tubular structure. The body of each die core is a cylinder, and a die core stepped column is arranged at the bottom end of each die core. The body of each lower pressing head is a cylinder, and a pressing head stepped column is arranged at the top end of each lower pressing head. The external diameter of each base body is smaller than the diameter of the corresponding die core body. The outer side faces of the die core stepped columns and the outer side faces of the pressing head stepped columns are both in sliding fit with the hole walls of inner holes of the base bodies.
Description
technical field [0001] The invention belongs to the technical field of diamond wire saw manufacturing, and in particular relates to a beading cold pressing die and a beading production method using the cold pressing die, so as to produce beads in diamond wire saws. Background technique [0002] Beads in diamond wire saws are generally made of diamond-containing alloy powder after cold pressing and hot pressing sintering. Traditional beading cold pressing molds are as follows: figure 1 As shown, it includes an outer frame, and an inner frame composed of several structures is placed inside the outer frame. The edge of the structure is provided with a concave part with an arc-shaped cross section, and the concave parts of two adjacent structures are fastened together. A die hole for accommodating the lower and upper indenters is formed; the outer side of the peripheral structure and the inner side of the outer frame are sloped. During cold pressing, first put the various struc...
Claims
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IPC IPC(8): B22F3/03
CPCB22F3/03
Inventor 毛华斌谢玉萍吴益雄李丹张贵青魏洪涛
Owner GUANGZHOU CRYSTAL TECH