A chain processing technology
A processing technology and chain technology, applied in the direction of metal chains, etc., can solve the problems of reducing chain processing efficiency, failing to meet production requirements, and high requirements for trailer chain processing and production.
Active Publication Date: 2021-05-04
ZHEJIANG ANJI CHANGHONG CHAIN MFG
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Problems solved by technology
[0003] The trailer chain is a kind of chain used for traction. It is a kind of chain that the front car pulls and the rear car moves. Due to the heavy weight of the general car body, the strength requirements of the trailer chain are relatively high, so the processing and production requirements of the trailer chain are relatively high. ; Chain will go through knitting, welding, and stabbing operations during manufacture. The existing stabbing process is to work separately for each link, and remove the welding slag on each link one by one. The purpose of welding slag, but due to the single processing operation, the processing efficiency of the chain is reduced, and the production demand cannot be met
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[0036]A chain processing technology, including: a. raw material inspection: select alloy steel with austenite grain size above grade six, and the alloy steel contains Cr, Ni, Mo elements; b. blanking: use precision bar to cut machine, which uses the principle of constrained shearing to cut off the raw material; c. Hot chain knitting: use heating equipment and knitting equipment to work at the same time to form the prototype of the chain; d. Welding and deburring: make the two end faces of a bent metal ring pass through The method of resistance welding is butted into a closed loop, and then the formed chain is put into the deburring equipment to remove the welding slag at the welding point, so that the surface of the chain is smoother; e. Heat treatment: In the heat treatment equipment, various Auxiliary medium to improve the organizational structure of parts and improve the performance of various items; f. Stretch correction: stretching automatic procedures include slider forwa...
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The invention discloses a chain processing technology, comprising: a, raw material inspection: selecting alloy steel with austenite grain size above grade six, and the alloy steel contains Cr, Ni, and Mo elements; b, blanking; c , thermal knitting chain; d, welding deburring: the two end faces of a bent and formed metal ring are butted into a closed loop by resistance welding, and then the formed chain is put into the deburring equipment to weld the welding point Slag removal to make the chain surface smoother; e. Heat treatment: In the heat treatment equipment, various auxiliary media are used at high temperature to improve the structure of the parts and improve the performance of various items; f. Stretch correction: fully automatic stretching process Including slider forward, fast forward, slow forward, pressure hold, measurement, fast rewind, slow rewind, slider back eight parts, to ensure the high precision of stretching displacement; g, surface treatment: a series of surface treatment is carried out on the chain surface Processed to form a protective film on the surface of the chain to protect the chain.
Description
technical field [0001] The invention belongs to the technical field of chain processing, and in particular relates to a chain processing technology. Background technique [0002] Chains are generally metal links or rings, which are mostly used for mechanical transmission and traction. Chains used to obstruct traffic passages (such as in streets, rivers or harbor entrances), chains for mechanical transmission. [0003] The trailer chain is a kind of chain used for traction. It is a kind of chain that the front car pulls and the rear car moves. Due to the heavy weight of the general car body, the strength requirements of the trailer chain are relatively high, so the processing and production requirements of the trailer chain are relatively high. ; Chain will go through knitting, welding, and stabbing operations during manufacture. The existing stabbing process is to work separately for each link, and remove the welding slag on each link one by one. The purpose of welding sla...
Claims
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IPC IPC(8): B21L1/00
CPCB21L1/00
Inventor 杨卫波王红华卢全杨立律
Owner ZHEJIANG ANJI CHANGHONG CHAIN MFG