Cold bending device
A cold simmering and matrix technology, applied in the field of mechanical processing, can solve the problems of out-of-round rings, poor appearance, long processing time, and labor-intensive labor, so as to save raw materials, improve production efficiency, and shorten processing time.
Active Publication Date: 2015-12-23
SHANDONG SHUANGYI TECH
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Problems solved by technology
The disadvantage of the above method is that a large gap will be formed at the seal of each segment of the ring, and the ring is not round and the appearance is poor, the processing time is long, the labor is much, and the efficiency is very low.
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[0039] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0040] see Figure 1 to Figure 3 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the sa...
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The invention provides a cold bending device. The cold bending device comprises an upper mold and a lower mold. The upper mold comprises an upper mold base body, a center shaft and a pressing wheel. The upper mold base body comprises a top plate and a guide plate connected with the top plate. A guide through groove is formed in the guide plate. The top of the guide through groove is in an arc shape. The center shaft is fixed to the guide plate and located at the circle center of the arc-shaped portion of the guide through groove. The pressing wheel is connected with the guide plate through a pressing wheel shaft. The pressing wheel shaft penetrates through the guide through groove and can move in the guide through groove. The lower mold comprises a lower mold base body and an execution piece. The execution piece is fixed to the lower mold base body. The top of the lower mold base body is connected with the pressing wheel. The pressing wheel shaft moves in the guide through groove under the action of the execution piece. According to the cold bending device, the pressing wheel can move along the guide through groove in the upper mold by means of the relative displacement of the upper mold and the lower mold, and thus round steel is pressed and bent to be in a circular ring shape.
Description
technical field [0001] The invention belongs to the field of mechanical processing, in particular to a cold simmering device. Background technique [0002] Due to the large volume and heavy weight of the wind turbine cabin cover, the hoisting rings used are all made of thicker diameter round steel bent into a small diameter ring, and then welded with screw rods. [0003] Existing technology 1 - machine cold simmering: the thicker round steel bending equipment currently on the market can only bend the round steel to within 200 degrees and cannot form a sealing ring, and the two ends of the round steel should be reserved for 3 cm and 3 cm respectively. The 10 cm straight end is used as a machining allowance for machine clamping, which wastes material. [0004] Prior art two—manual thermal simmering: one end of the thicker diameter round steel (as 18 centimeters in diameter) is welded on the fixed round steel (as 40 centimeters in diameter) to be bent into the inner diameter o...
Claims
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Login to View More IPC IPC(8): B21D37/10B21D43/00B21D53/16
Inventor 高玉宝崔海军
Owner SHANDONG SHUANGYI TECH