Mold integral assembly design
A technology of assembly design and mold, which is applied in the field of mechanical equipment design and production, can solve problems such as unstable mold eccentricity and affecting product accuracy, and achieve the effects of stable mold concentricity, improved mold precision, and improved effects
Inactive Publication Date: 2017-04-05
刘细艳
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Problems solved by technology
Traditional mold assembly has multiple parts processing errors and part assembly clearances (upper mold core, upper mold core, upper mold plate, lower mold plate, lower mold core, lower mold core). The cumulative error and excessive cumulative clearance affect the upper mold core and the lower mold core. The eccentricity of the mold core, because the assembly involves many parts, the eccentricity of the mold is also very unstable, and the eccentricity of the upper mold will change after each production of the lower mold after maintenance, which will affect the product accuracy
And this is the main disadvantage of traditional mold assembly
Method used
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[0012] specific implementation plan
[0013] 1, such as image 3 , first assemble the upper mold core and the positioning device, the lower mold core and the positioning device, then assemble the upper mold core and the lower mold core and lock them with process screws, and then assemble the core group (or inserts) into the upper and lower mold cores, such as Figure 4 , Then assemble the assembled mold core unit into the lower formwork (or upper formwork), then assemble the opponent formwork (upper formwork or lower formwork) into the assembly and lock the formwork process screws. Then respectively assemble the mold foot, the upper ejector plate, the lower ejector plate, the upper mold fixed plate and the lower mold fixed plate into the assembly. Finally, the mold kernel process screws and formwork process screws are removed.
[0014] 2. First assemble the upper mold part or the lower mold, then assemble another set of cores and mold cores (also known as inserts) and lock t...
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The invention relates to the mold industry. A mold is assembled as a whole; a mold core unit is firstly assembled and locked by a process screw; and then, mold frame parts are assembled in batches based on the mold core unit. For example, an optical lens mold is the mold core unit of the mold as shown in the figure; the mold core unit is provided with a positioning device, and is arranged in a mold frame; the mold frame is respectively provided with an upper template, a lower template, a mold pin, an upper thimble plate, a lower thimble plate, an upper mold fixed plate, a lower mold fixed plate and the like; and guide columns and positioning devices are arranged around the upper template and the lower template. Mold core sets are arranged in the center positions of upper and lower mold cores. The upper mold core and the lower mold core are provided with process screws for fixing; the upper template and the lower template of the mold are also provided with process screws for fixing; the templates and the mold fixed plates are added with process screw passing holes; an upper mold plate frame is combined with the upper mold core; a lower mold plate frame is combined with the lower mold core; and at least one vacancy needs to be designed around the two combined template frames. The design is also suitable for the mechanical equipment design with the same requirements.
Description
technical field [0001] The invention relates to the design and production technology of mechanical equipment, especially to the plastic and metal mold industry. In order to solve the problem of eccentricity between the fixed side and the movable side of the mold, especially for molds with relative position requirements for the fixed side and the movable side of the mold, for molds with concentric The mold required by the degree has a very obvious effect. Background technique [0002] With the improvement of people's living standards and the rapid upgrading of products, the society poses higher challenges to the precision of molds. With the development of mobile phone camera functions, vehicle lenses and security lenses, more stringent requirements are placed on optical lens molds. . Traditionally, the mold assembly is to assemble the upper mold part and the lower mold part separately, and then assemble the upper mold part and the lower mold part. This assembly method will c...
Claims
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IPC IPC(8): B29C33/30
Inventor 刘细艳
Owner 刘细艳