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Semiautomatic streamline type production system and method for high-strength threaded steel bar

An assembly line and production system technology, applied in the field of high-strength threaded steel bar production system, can solve problems such as low processing efficiency, high labor intensity, and difficult to guarantee product performance, and achieve the effect of improving production efficiency and reducing product cost

Active Publication Date: 2012-12-12
LIUZHOU OVM MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantages of this machine processing method are: low processing efficiency and high labor intensity. More importantly, this process method is limited by the structure of the machine tool, and the length of the processed workpiece cannot exceed 5 meters.
However, the threaded steel bar produced by this process is a discontinuous thread, and the surface defects of the thread are difficult to eliminate, which makes it difficult to guarantee the final performance of the product

Method used

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  • Semiautomatic streamline type production system and method for high-strength threaded steel bar
  • Semiautomatic streamline type production system and method for high-strength threaded steel bar
  • Semiautomatic streamline type production system and method for high-strength threaded steel bar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0090] figure 1 What is disclosed is a semi-automatic assembly line production system for high-strength threaded steel bars. The system includes a centerless lathe 1, a thread rolling machine 3, and a heat treatment system 5. The centerless lathe 1 is a commonly used CNC centerless lathe with automatic feeding The CNC centerless lathe of the mechanism, the centerless lathe 1 and the thread rolling machine 3 are connected together by the automatic connection device 2, and the thread rolling machine 3 and the heat treatment equipment 5 are connected together by the thread rolling machine automatic feeding mechanism 4. The system forms a semi-closed U-shaped structure.

[0091] The automatic coupling device 2 is composed of a discharge rack 21, a transfer rack 22 and a feed rack 23 which are connected side by side in sequence (see figure 2 ), the discharging frame 21 is connected with the discharge port of the centerless lathe 1, and the feeding frame 23 is connected with the feedin...

Embodiment 2

[0096] A semi-automatic assembly line production method for high-strength threaded steel rods. The method is a method for processing high-strength threaded steel rods using the semi-automatic assembly line production system of high-strength threaded steel rods described in the first embodiment. The method includes the following steps (see Figure 14 ):

[0097] S1. Blanking: The round steel is blanked in sections according to a fixed length to obtain a steel bar blank;

[0098] S2. Outer circle of car: Use a centerless lathe to car out the outer circle of the steel bar blank to obtain the semi-finished steel bar;

[0099] S3. Thread rolling: rolling the semi-finished steel bar on the thread rolling machine to obtain the semi-finished threaded steel bar;

[0100] S4. Heat treatment: Use the intermediate frequency online heat treatment system to heat and blacken the semi-finished steel rods to obtain high-strength threaded steel rod products;

[0101] S5. Inspection and warehousing: inspe...

Embodiment 3

[0120] A semi-automatic assembly line production method of high-strength threaded steel bars, the basic steps of the method are the same as in Example 2, the difference is: the step S4. The specific parameters involved in the heat treatment are different, the step S4. The specific contents of heat treatment are as follows:

[0121] S4.1. Feeding:

[0122] The semi-finished threaded steel bar is transported to the intermediate frequency induction hardening equipment 51 through the transfer roller table and the horizontal movement platform 54 of the heat treatment system 5;

[0123] S4.2. Quenching heating:

[0124] The semi-finished threaded steel rod is subjected to 6-level induction quenching heating, the first 3 levels are preheating heating, and in the first M-level preheating heating, the temperature of the semi-finished threaded steel rod in the latter stage is controlled to be 20℃ higher than the temperature of the previous stage. The last three levels are heat preservation an...

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Abstract

The invention discloses a semiautomatic streamline type production system and method for a high-strength threaded steel bar and relates to a production system and method for the high-strength threaded steel bar. The production system comprises a centerless lathe, a screw rolling machine and a heat treatment system, wherein the centerless lathe is connected together with the screw rolling machine through an automatic joining device; and the screw rolling machine is connected together with the heat treatment system through an automatic discharging mechanism of the screw rolling machine. The method comprises the steps of feeding S1 blanking, S2 turning, S3 roll threading, S4 heat treatment and S5checking. According to the semiautomatic streamline type production system and method disclosed by the invention, the production efficiency can be increased, the cost of products is reduced and the quality of the products is ensured; and the semiautomatic streamline type production system and method are suitable for producing the high-strength threaded steel bars with the diameter being 50-80mm and the length being 12m.

Description

Technical field [0001] The invention relates to a high-strength threaded steel rod production system and method, in particular to a high-strength threaded steel rod production system and method. Background technique [0002] High-strength threaded steel bar is a new type of prestressed concrete structural steel bar. Because of its high strength and screw connection characteristics, it solves the problem that high-strength steel bars are difficult to weld and lengthen. Moreover, the high-strength threaded steel bar also has the advantages of easy connection and anchoring. , Strong adhesion, safe and reliable tension anchoring, convenient construction, etc., widely used in large-scale water conservancy projects, continuous beams and large-scale frame structures in industrial and civil buildings, highways, railways, large-span bridges, nuclear power plants, and ground anchors. Under construction and rock anchoring. [0003] The existing production methods of high-strength threaded st...

Claims

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Application Information

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IPC IPC(8): C21D8/08
Inventor 曾杰赖祥智阳余莲包红星牙向飞沈扬波朱万旭熊武龙跃邓学奇张升华
Owner LIUZHOU OVM MASCH CO LTD
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