Sleeve type pipe shrinking die
A sleeve-type, sleeve-type technology, applied in the field of sleeve-type shrink tube molds, can solve the problems of wasting molds, etc., and achieve the effect of simple structure and saving production costs
Inactive Publication Date: 2016-04-27
重庆和佳机械部件制造有限公司
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Problems solved by technology
When in use, welding is often used to fix the second sleeve and the shrinking mold to the first sleeve. If the specification is changed, the mold will be wasted
Method used
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[0011] The present invention will be further described below through specific examples, but not in order to limit the present invention, all within the spirit and principle of the present invention, any modification, equivalent replacement, improvement etc. all should be included within the scope of protection of the present invention .
[0012] Such as figure 1 As shown, the sleeve-type shrinking mold includes a first sleeve 1, and a second sleeve 2 and a shrinking mold 3 are arranged in sequence from left to right inside the first sleeve 1. The centerline of the second sleeve 2 On the same straight line as the centerline of the shrinking die 3, the shrinking die 3 is composed of a conical shrinkage section 3.2 and a forming section 3.1, the large end of the shrinkage section 3.2 is located on the right side of the second sleeve 2, and the second The sleeve 2 is fixed with the first sleeve 1 by the first screw 4, the first screw 4 is from the outer wall of the first sleeve 1...
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The invention relates to a sleeve type pipe shrinking die, and belongs to the technical field of pipe shrinking dies. The sleeve type pipe shrinking die comprises a first sleeve. A second sleeve and a pipe shrinking die body are sequentially arranged in the first sleeve from left to right. The center line of the second sleeve and the center line of the pipe shrinking die body are located on the same straight line. The pipe shrinking die body is composed of a necking segment of a conical structure and a forming segment. The large end of the necking segment is located on the right side of the second sleeve. The second sleeve and the first sleeve are fixed through first screws. The first screws are located from the outer side wall of the first sleeve to the wall thickness of the second sleeve. The pipe shrinking die body and the first sleeve are fixed through second screws. The second screws are located from the outer side wall of the first sleeve to the wall thickness of the pipe shrinking die body. By means of the sleeve type pipe shrinking die, the sleeve type pipe shrinking die is simple in structure, and the second sleeve and the pipe shrinking die body can be replaced according to different specifications during use, so that production cost is effectively reduced.
Description
technical field [0001] The invention relates to a sleeve-type shrinking die, which belongs to the technical field of shrinking dies. Background technique [0002] At present, the steel pipe shrinking technology generally uses a special shrinking fixture to reduce the outer diameter of the steel pipe to a certain size, and then uses the turning method to process the inner hole of the steel pipe. When using this method for processing, the coaxiality of the processed steel pipe is not easy to guarantee, and the precision is relatively poor. [0003] For this reason, the inventor has designed a sleeve-type shrinking mold, which includes a first sleeve, and is characterized in that: a second sleeve and a shrinking mold are sequentially arranged inside the first sleeve from left to right, and the second The centerline of the sleeve and the centerline of the shrinking mold are on the same straight line, and the shrinking mold is composed of a conical necking section and a forming ...
Claims
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IPC IPC(8): B21D37/10B21D41/04
Inventor 胡维秀
Owner 重庆和佳机械部件制造有限公司