Wax mold and wax mold drawing method
A technology of wax molds and molds, which is applied in the field of molds, can solve the problems of inconvenient mold splitting and clamping operations, large mold size, and high manufacturing costs, and achieve the advantages of easy mold clamping or mold splitting operations and handling, weight reduction, and reduced manufacturing costs Effect
Active Publication Date: 2020-04-07
CHINA HANGFA SOUTH IND CO LTD
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Problems solved by technology
[0003] The invention provides a wax mold and a method for removing the wax mold to solve the difficulties in taking the mold, large mold size, complex structure, heavy weight, inconvenient mold splitting and mold closing operations, and handling and handling problems existing in the existing wax molds. Technical problems with high manufacturing costs
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[0029] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0030] refer to Figures 3 to 7 As shown, the preferred embodiment of the present invention provides a kind of wax pattern mould, comprises: the lower mold 10 that cooperates with setting and the outer mold 20 that is positioned at lower mold 10 tops, is provided with the main body part that is used for molding wax pattern on the outer mold 20 The main cavity 201, the main cavity 201 extends along the height direction of the outer mold 20 and communicates with the top and bottom of the outer mold 20, and is used to make the main body of the molded wax model move upward from the bottom of the outer mold 20 under the action of external force Unmold to the top. The junction of the outer mold 20 and the lower mold 10 is provided with a concave position...
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The invention discloses a wax mold and a wax mold drawing method. The method utilizes a lower mold and an outer mold fitting to the lower mold, the outer mold is provided with a main cavity for forming a main portion of a wax mold, the main cavity extends along the outer mold height direction, is communicated with the top end and the bottom end of the outer mold and is used for movement of a molded wax mold main body up to the top end from the bottom end of the outer mold under the action of an external force and discharge of the molded wax mold main body out of the mold. The joint of the outer mold to the lower mold is provided with a concave positioning notch. The joint of the lower mold to the outer mold is provided with a positioning boss fitting to the concave positioning notch. The positioning boss is inserted into the positioning notch in closing of the outer mold and the lower mold and is used for guiding the closing of the outer mold and the lower mold. The joint of the outermold to the lower mold is provided with a guide notch. The joint of the lower mold to the outer mold is provided with an ejection mechanism. The ejection mechanism is used for aligning at the bottom of the wax mold main body when the guide notch aligns at the positioning boss in mold release, and presses against the bottom of the wax mold main body in down movement of the outer mold under load sothat the wax mold main body is ejected upwards out of the main cavity.
Description
technical field [0001] The invention relates to the technical field of molds, in particular to a wax mold. In addition, the present invention also relates to a method for removing a wax pattern after the wax pattern is formed by using the wax pattern mold. Background technique [0002] In the prior art, such as figure 1 The wax pattern shown is molded as figure 2 In the three-jaw sprue wax mold 6 shown, the wax mold mold includes an upper mold 7 and a lower mold 8 corresponding to the upper mold 7 and having the same structure. The upper mold 7 and the lower mold 8 engage in a canine shape. Since the parting surface between the upper mold 7 and the lower mold 8 is a canine-tooth staggered parting surface, there are many parting surfaces, which not only increases the difficulty of processing, but also tends to produce batch seams at the corners of the parting surface, thereby affecting the mold accuracy; forming During the process, the upper mold 7 and the lower mold 8 ar...
Claims
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IPC IPC(8): B29C33/44B29C33/30
CPCB29C33/30B29C33/44
Inventor 陈雅黄秋玉蒋明
Owner CHINA HANGFA SOUTH IND CO LTD