Cast molding finishing process for pipe fitting threaded unions
A technology of casting forming and joints, which is applied to manufacturing tools, metal processing equipment, tangent devices, etc., can solve the problems of low work efficiency, high cost, heavy quality of threading machines, etc., to save adjustment, improve processing efficiency, and simplify The effect of the threading step
Inactive Publication Date: 2020-08-14
田祥
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Problems solved by technology
[0003] The existing threading operation has the following disadvantages: 1. When using a threading machine for threading, only one threaded union of pipe fittings can be threaded at a time, the work efficiency is low, and the threading machine is heavy in weight and high in cost ; 2. When threading threaded joints of different sizes and specifications, the die opening on the die cutter needs to be readjusted every time, and the threading steps are more cumbersome
Method used
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[0030] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0031] Such as Figure 1 to Figure 8 As shown, a casting and finishing process of threaded joints of pipe fittings, the casting and finishing process of threaded joints of pipe fittings adopts the following processing machinery, which includes a workbench 10 and a leg 11 arranged at the bottom of the workbench 10. The top of the table 10 is provided with a central hole 12 and a plurality of groups of circular holes 13, the central hole 12 is located at the center of the workbench 10, and the plurality of groups of circular holes 13 are evenly distributed in a circular shape around the central hole 12, and the central hole 12 is provided with sleeves In the device 40, a threaded union 20 is provided in the circular hole 13, and a communication hole 1...
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The invention relates to a cast molding finishing process for pipe fitting threaded unions. The cast molding finishing process for the threaded pipe unions adopts following machines. The machines comprise a workbench and support legs arranged at the bottom of the workbench. A central hole and a plurality of sets of circular holes are formed in the top of the workbench. The circular holes are uniformly annularly distributed in the periphery of the center hole. A threading device is arranged in the center hole. The threaded unions are arranged in the circular holes. Communication holes are symmetrically formed in the inner walls of the circular holes. Fixing clamps for fixing the threaded unions are arranged in the communication holes. According to the cast molding finishing process, a driving gear is utilized to be engaged with a plurality sets of driven gears to rotate at the same time, an air cylinder is utilized to drive a lifting rod to move downwards, a cylinder moves downwards while rotating, threading can be conducted on the threaded unions at the same time, and the machining efficiency of the threaded unions is improved; and threading can be conducted on the threaded unionsof different specifications at the same time, the time spent in adjusting a die chaser is saved, and the threading step is simplified.
Description
technical field [0001] The invention relates to the technical field of connecting piece processing, in particular to a casting and finishing process for threaded joints of pipe fittings. Background technique [0002] The threaded union refers to the threaded pipe connector, which is the most common pipe fitting in industry and life. The threaded union makes the connection of the pipe easier, and it is easier to disassemble and replace, which greatly saves the cost of pipe connection. . The threaded joints used in industry are generally made of metal with high pressure resistance. The materials include carbon steel, stainless steel, alloy steel, brass, etc., and malleable steel can also be used instead of carbon steel. The steps of adopting malleable steel to produce threaded joints are as follows: firstly cast into white cast iron, then undergo malleable annealing treatment and post-annealing treatment steps, enter the blank part shaping and thread processing process, and f...
Claims
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Login to View More IPC IPC(8): B23G1/02B23G1/44
CPCB23G1/02B23G1/44
Inventor 田祥刘俊豪
Owner 田祥