Casting aluminium alloy material unthreaded hole silk planting craft and device
A technology of casting aluminum alloy and planting wire, which is applied in the field of thread connection of cast aluminum alloy material or materials with similar hardness and strength, which can solve the problems of insufficient thread connection strength, complex structure of parts, limited assembly space, etc., and achieve simple and reasonable structure, The effect of simplifying the structure of parts and enhancing the connection strength
Active Publication Date: 2015-04-29
CHINA COAL ZHANGJIAKOU COAL MINING MACHINERY
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Problems solved by technology
[0003] The purpose of the present invention is to provide a light hole wire planting process and device made of cast aluminum alloy to overcome the insufficient thread connection strength and limited assembly space of the existing cast aluminum alloy or materials with similar hardness and strength, resulting in complex structure of parts and difficult production. The problem of low efficiency and high cost
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[0018] Such as figure 1 As shown, the light hole wire planting process of cast aluminum alloy material is:
[0019] a. Drill a light hole on the matrix 1, and fix the matrix 1 with the light hole on the working table of an ordinary radial drilling machine;
[0020] b. The light hole wire planting device 3 is installed in the spindle 4 of the radial drilling machine through the taper handle 5, and the cutting parameters are set according to the tap tapping process for the internal thread of the ordinary radial drilling machine;
[0021] c. Start the radial drilling machine to rotate the main shaft 4, put the double-ended stud 2 into the machine oil (No. 20 or No. 30); The 2 end bears against the lower end surface of the taper handle 5, and after there is no obvious swing, the rocker arm is not locked temporarily, and the rocker arm is rotated to manipulate the main shaft so that the insertion end of the stud 2 is aligned with the light hole on the mother body 1, and the rocker...
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Abstract
The invention relates to the technical field of casting aluminium alloy screw joints, in particular to a casting aluminium alloy material unthreaded hole silk planting craft and a device. A threaded connecting method is used for traditional casting aluminium alloy material components. The threaded connecting method mainly comprises a screw hole connection, a unthreaded hole bolt connection and a steel wire screw sleeve connection. Threaded holes of the screw hole connection are limited by material strengths so as to not meet the requests of connection strengths. Complicated structures of components are caused by the unthreaded hole bolt connection. The steel wire screw sleeve connection is low in producing efficiency and high in cost. A common radial drilling machine is used by the casting aluminium alloy material unthreaded hole silk planting craft and the device through a unthreaded hole silk planting device. A double head screw pillar is planted into the unthreaded hole of the casting aluminium alloy. The squeezing action of the process that the double head screw pillar is planted into the unthreaded hole of the casting aluminium alloy is used for forming inner hole screwing threads. Therefore, the double head screw pillar is closely connected with a casting aluminium piece to improve the connecting strength of screwing threads, reduce the space occupying of connecting location, simply component structures, improve production efficiency and reduce manufacturing cost.
Description
technical field [0001] The invention relates to the technical field of thread connection of cast aluminum alloy material or materials with similar hardness and strength, and is a new technology capable of improving the thread connection strength of low hardness material and increasing the compactness of structure, specifically a cast aluminum alloy material Light hole silk planting process and device. Background technique [0002] The traditional threaded connection methods of cast aluminum alloy parts mainly include screw hole connection, light hole bolt connection and steel wire screw sleeve connection. The threaded hole of the screw hole connection is limited by the strength of the cast aluminum alloy material. Parts with low strength cannot meet the requirements of use. The light hole bolt connection requires enough space to install fastening bolts and nuts, resulting in a complex part structure. For the connection of the wire screw sleeve, it is necessary to purchase ...
Claims
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IPC IPC(8): B23P15/00
Inventor 刘彪刘海江张志斌陈慧鲁恩悦
Owner CHINA COAL ZHANGJIAKOU COAL MINING MACHINERY