Thread making method for improving deformation resistance of reinforced bar joint and machining device
A technology of thread processing and reinforcement, applied in thread cutting tools, tangent devices, threaded products, etc., can solve the problem that it is difficult to eliminate the gap between the thread head and the sleeve thread, the deformation modulus of the joint section is reduced, and the resistance to deformation of the joint is affected. capacity and other issues, to achieve the effect of improving connection quality, improving anti-deformation ability, and improving the effect of the top.
Active Publication Date: 2012-05-23
BEIJING WELONG TECH DEV CO LTD
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Problems solved by technology
[0003] Due to the inherent characteristics of rolling straight threads, the end surface of the thread after rolling will have a concave phenomenon due to the flow of metal, and the concave end surface of this thread will affect the alignment effect of the thread head in the sleeve. It is difficult to eliminate the thread gap between the thread head and the sleeve. When the joint section is subjected to external force, the deformation of the section is too large, which reduces the deformation modulus of the joint section and affects the deformation resistance of the joint.
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[0045] refer to figure 1 As shown, the specific processing method, structure, characteristics and effects of the chamfering rib stripping thread rolling method and its processing device proposed in the present invention will be described in detail below in conjunction with the accompanying drawings.
[0046] The present invention is a kind of manufacturing method that is applicable to steel bar connection screw thread in construction engineering, and it mainly comprises the following processing steps:
[0047] On the thread processing equipment, there are steel bar clamping pliers 1, arm-type knife-rising wedge mechanism 2, knife-rising limit mechanism 3, chamfering rib stripping thread roller 4, power output mechanism 5, guide bar 6, feeder Give mechanism 7, body 8. Wherein the body 8 is provided with a sliding guide bar 6, by turning the handle on the feed mechanism 7, the power output mechanism 5, the rib stripping thread roller 4 and the arm-type knife wedge mechanism are...
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A thread making method for improving deformation resistance of a reinforced bar joint and a machining device help relieve a disadvantage that ends of the reinforced bar sink in an existing reinforced thread rolling method. The machining device respectively consists of a chamfering and stripping device and a thread rolling device which are sequentially arranged along a gyration center axis and is characterized by being designed to a reinforced bar machining device with at least two expansion tools and realizing chamfering, stripping and thread rolling sequentially by an arm-type expansion toolwedge mechanism fixed on a power source, an angle expansion tool limit mechanism and a stripping expansion tool limit mechanism fixed on the machine body; a unique multi-locating surface tool rest anda multi-cutting edge combined tool cause the device to be capable of realizing sequence conversion of a plurality of service positions. The device is characterized by simple structure, convenient operation, low failure rate and convenient maintenance.
Description
technical field [0001] The invention relates to a method for connecting steel bars in the field of construction and a processing device, in particular to a method suitable for improving the deformation resistance of steel bar joints and a processing device used for realizing the method. Background technique [0002] At present, mechanical connection methods are mostly used for steel bar connection in domestic and international construction, especially the rolling straight thread steel bar connection technology, which has become the main steel bar connection method in building construction. The steel bar joint is composed of two steel bars with threads at the ends (hereinafter referred to as: wire heads) and the corresponding connecting sleeve (hereinafter referred to as: sleeves). The threaded sleeve realizes the connection of the steel bars and achieves the effective transmission of the force of the two steel bars. For the connection performance of the steel bar joint, it ...
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IPC IPC(8): B23P13/00B23P23/00
CPCE04C5/03B23G1/24B23G5/12B21H3/02
Inventor 吴晓星徐瑞榕
Owner BEIJING WELONG TECH DEV CO LTD