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Integral drawn technique for faceplate of buffet dinner stove

A furnace panel and buffet technology, which is applied in the direction of forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems that affect the overall quality and service life of the panel, increase the processing steps of the dining furnace panel, and increase the production cost of the panel, so as to improve the appearance Quality and service life, good price advantage, and the effect of avoiding missing soldering

Inactive Publication Date: 2007-12-26
宁波格兰特制冷设备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sheet material welding process first increases the processing procedures and material loss of the kitchen stove panel, which greatly increases the production cost of the panel; moreover, it is difficult to avoid the existence of defects such as missing welding and desoldering during the welding process, thus Affect the overall quality and service life of the panel

Method used

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  • Integral drawn technique for faceplate of buffet dinner stove
  • Integral drawn technique for faceplate of buffet dinner stove
  • Integral drawn technique for faceplate of buffet dinner stove

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Now take 1Cr18Ni9Ti stainless steel as an example to manufacture square buffet stove panels.

[0024] (1) the grade is 3042B, and the stainless steel coil material with a thickness of 1.8mm is cut into 810 × 610 sheets with a plate shear, and the four corners are cut off to form an octagonal sheet;

[0025] (2) Send the corner-cut material into a 315-ton hydraulic press and concave and convex molds for deep drawing, and lay a 2μm polypropylene film between the mold and the workpiece as a lubricant, and the drawing height H is 60-70mm. The deep workpiece is shown in Figure 1;

[0026] (3) Use a 160-ton punch to cut off the outer edge of the drawn workpiece;

[0027] (4) Send the sheared workpiece into a 315-ton hydraulic press and a shrinking die to compress the mouth to the required diameter. The die 3 is a barrel cavity with a bell mouth, and the angle between the inner slope of the bell mouth and the inner wall of the barrel is 21° ~220 degrees, the positioning mold...

Embodiment 2

[0035] Take the 1Cr18Ni9 stainless steel plate as an example to manufacture the circular panel of the buffet stove.

[0036] (1) Use the plate shearing machine φ640 sheet material with the stainless steel coil material with the grade of 2012B and a thickness of 1.8mm, and the workpiece shape is as shown in Figure 11;

[0037] (2) The circular piece is fed into a 315-ton hydraulic press and concave and convex molds for deep drawing. The lubricant is 1 μm polyethylene film, and the drawing height is 60-65mm. The shape of the workpiece is shown in Figure 12;

[0038] (3) Place the drawn workpiece in an electric furnace for annealing for 1 hour at an annealing temperature of 1050°C to 1080°C with 99% nitrogen concentration protection;

[0039] (4) Send the annealed workpiece into a 315-ton hydraulic press and concave and convex molds for deep drawing. The lubricant is polyethylene film, and the drawing height is 10-20mm;

[0040] (5) Use a 160-ton punch to cut off the outer edge ...

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PUM

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Abstract

The invention relates to a buffet meal boiler face board integer extending technology that includes the following steps: cutting the stainless coil stock to needed size sheet stock; extending the sheet stock to needed height; compressing the component to needed diameter; making square hole or circular aperture; making level slot on the top of the large hole component; taking extension and flanging of the brim of middle hole of the component; taking polishing, washing, testing and storing to the molded panel. The appearance quality and useful life is prolonged. It also makes the buffet meal boiler has better prize superiority and economic benefits in market competition.

Description

technical field [0001] The invention relates to a method for manufacturing a buffet stove panel, in particular to a process method for overall deep drawing of a buffet stove stainless steel panel. Background technique [0002] The buffet stoves currently used in hotels and restaurants are mainly used as heat preservation containers for dishes and food. With the progress of society and the improvement of people's living standards, people pay more and more attention to the appearance of products. At present, the panel of the buffet stove is connected as a whole by a plurality of blanks by welding. The sheet material welding process first increases the processing procedures and material loss of the kitchen stove panel, which greatly increases the production cost of the panel; moreover, it is difficult to avoid the existence of defects such as missing welding and desoldering during the welding process, thus It affects the overall quality and service life of the panel. Conten...

Claims

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Application Information

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IPC IPC(8): B21D53/00B21D22/20B21D22/02B21D28/24B21D19/00B21D37/10
Inventor 吴平陈聪祥
Owner 宁波格兰特制冷设备制造有限公司
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