Hollow Cylindrical Casting Manufacturing Mold
A technology for manufacturing molds and cylindrical shapes, which is applied in the field of manufacturing molds for hollow cylindrical castings. It can solve the problems of product weight increase and processing, and achieve the effects of reducing weight, enhancing productivity, and saving manufacturing costs.
Active Publication Date: 2017-06-09
DR AXION CO LTD
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Problems solved by technology
[0004] However, the above-mentioned conventional mold 10 has a draft angle formed on the outer peripheral surface of the cylindrical insert mold 16, so that the thickness of the formed product is as thick as the draft angle, and the product The weight increases, and there is trouble in the subsequent processing in order to make the thickness of the formed product uniform
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[0024] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In this process, for the sake of clarity and convenience of description, the thickness of lines shown in the drawings, the size of structural elements, and the like may be exaggerated.
[0025] In addition, the terms described later are terms defined in consideration of the functions in the present invention, and the above-mentioned terms may be different according to the user's or operator's intention or custom. Therefore, the above-mentioned terms should be defined in view of the entire content of this specification.
[0026] figure 2 An exploded perspective view of a mold for making a hollow cylindrical casting according to an embodiment of the present invention, image 3 for figure 2 An exploded perspective view of the insert mold shown, Figure 4 for figure 2 A cross-sectional view of line A-A is shown, Figure 5 for figure...
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The present invention relates to a mold for manufacturing hollow cylindrical castings, including an upper mold and a lower mold that are mutually clamped to form a space inside, and an insert mold inserted into the space. The insert mold includes: a main insert with a The first and second inclined surfaces are alternately formed on the outer peripheral surface of the main insert in a manner of alternating circumferentially with a certain interval; a plurality of support rods are arranged on the main insert with a certain interval along the circumferential direction. one side of the flange portion at a predetermined position on the outer peripheral surface of the insert; and a plurality of first and second inserts, combined with a plurality of support rods in an alternate manner, and moving along the The first and second inclined surfaces slide, and a plurality of first and second support parts are alternately formed on one end of the main insert in a manner of alternating with each other and at a certain interval along the circumferential direction. The ends of the second insert are respectively formed with insertion grooves for inserting the plurality of first support parts and the plurality of second support parts.
Description
technical field [0001] The present invention relates to a hollow cylindrical casting manufacturing die, and more particularly, to a hollow cylindrical casting manufacturing die capable of easily manufacturing a hollow cylindrical motor case. Background technique [0002] In the case of the outer shape of the commonly used motor, that is, the motor casing, it is in the shape of a hollow cylinder. In order to manufacture products of this shape by casting processes, such as figure 1 As shown, a cylindrical insert mold (insert mold) 16 is inserted into a space formed by clamping the upper mold 12 and the lower mold 14, and then casting is performed to realize the shape. [0003] At this time, a negative draft angle (minus draft angle) in the range of 2-3° is formed on the outer peripheral surface of the cylindrical insert mold 16 so that the mold can be easily separated after the molten metal is solidified. [0004] However, the above-mentioned conventional mold 10 has a draft ...
Claims
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IPC IPC(8): B22C9/24
CPCB22C9/24B22C9/20B22D7/08B22D19/0054
Inventor 朴贞昱金宇天徐永剂
Owner DR AXION CO LTD