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Cold-bending production technology integrated with spraying treatment and cold-bending production line integrated with spraying unit

A production process, cold bending technology, applied in the field of metallurgy, can solve the problems of high cost, large manpower and material resources, etc., to reduce demand, improve production efficiency and production benefits, and reduce the cost of manpower and material resources

Pending Publication Date: 2019-04-09
CISDI RES & DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing production process, if the cold-formed components are to be sprayed, it is necessary to use lifting equipment and intermediate warehouses for connection, equipped with warehouse pipes and crane operators to complete the connection work, which requires a lot of manpower and material resources, and the cost is high

Method used

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  • Cold-bending production technology integrated with spraying treatment and cold-bending production line integrated with spraying unit
  • Cold-bending production technology integrated with spraying treatment and cold-bending production line integrated with spraying unit
  • Cold-bending production technology integrated with spraying treatment and cold-bending production line integrated with spraying unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The on-line cold-bending production process integrated with spraying treatment provided in this embodiment transforms the cold-state strip into a cold-bent component with a specified shape after forming, and performs spraying treatment before the cold-bent component is formed.

[0030] Among them, the spraying process can not only remove rust, oxides and dirt, but also achieve the required uniform roughness under the violent impact and friction of abrasives, expand the physical adsorption of the surface of the material, and enhance The mechanical adhesion between the anti-corrosion layer and the surface of the component. In this embodiment, the sprayed medium can be steel shot or steel grit.

[0031] In this example, see figure 1 , figure 2 First, the cold strip is sent into a spiral looper 5 for storage and feeding, and then, the material supplied by the spiral looper 5 is sprayed first, and then the forming process, sizing and straightening are performed in sequenc...

Embodiment 2

[0044] This embodiment provides an online cold-bending production process with integrated spraying treatment. The difference between the online cold-bending production process with integrated spraying treatment in this embodiment and Embodiment 1 is that the material is sprayed after the cold-bending member is formed. And in this embodiment, the cold-formed member can be either an open profile or a closed profile. The closed profile can be one of square tube, rectangular tube, round tube or other heterosexual tubes.

[0045] Specifically, see image 3 , Figure 4 The on-line cold bending process of the integrated spraying treatment in this embodiment includes: sending the cold strip into a spiral looper 5 for storage and feeding, and forming the materials supplied by the spiral looper 5 in sequence After processing and sizing and straightening, spray processing and cutting to length are carried out in sequence.

[0046] This embodiment also provides a continuous cold bendin...

Embodiment 3

[0050] The difference between the on-line cold-bending production process of this embodiment and the second embodiment is that the material needs to be closed-end welding and cooling before being sizing and straightening after forming, and the cold-bending component in this embodiment is Closed profiles, not suitable for open profiles.

[0051] Specifically, see Figure 5 , Figure 6 , the material supplied by the spiral looper 5 is first subjected to forming treatment, closed welding, cooling treatment and sizing and straightening in sequence, and then spraying treatment and cut-to-length cutting in sequence.

[0052] When the cold-formed member is a closed profile, the surface near the junction will inevitably be re-oxidized due to high-frequency welding. The online cold-bending production process integrated with spray treatment in this embodiment not only omits the transition before spray treatment The loading and unloading link of the material, and only one spray treatme...

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Abstract

The invention provides an online cold-bending production technology integrated with spraying treatment. Cold-state plates and strips are subjected to forming treatment to form cold-bent components having specified shapes, and spraying treatment is performed before or after forming of the cold-bent components. The invention further provides a continuous cold-bending production line integrated witha spraying unit. The production line comprises a forming unit and the spraying unit; the spraying unit is integrated before or behind the forming unit according to the production procedure. By the aidof the production technology and the production line, feeding and discharging links before spraying treatment are omitted, so that the requirements for hoisting equipment and stockpiling warehouse areas in the production process are reduced, the workloads of inventory keepers and crane operators are also reduced, the manpower and material resource costs are reduced substantially, and the production efficiency and the production benefit can be increased.

Description

technical field [0001] The invention relates to the field of metallurgy, in particular to an on-line cold-bending production process integrating spraying treatment procedures and a continuous cold-bending production line integrating spraying units. Background technique [0002] In recent years, with the rapid development of the domestic economy, the demands of various industries are also changing with each passing day. While the total demand for cold-formed components is growing rapidly, higher and stricter requirements are put forward for the surface quality of the components. [0003] At present, the production process of cold-formed components includes shaping incoming materials, cutting to length, collecting them into intermediate warehouses, etc. In order to improve the surface quality of cold-formed structures, it is often necessary to perform surface treatment on cold-formed components, which also requires The cold-formed components stacked in the intermediate warehou...

Claims

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Application Information

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IPC IPC(8): B23P15/00B23P23/00
CPCB23P15/00B23P23/00
Inventor 沈继刚李宏图邓玉孙张金刚
Owner CISDI RES & DEV CO LTD
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