Thermal forming mould
A technology of thermoforming and forming molds, which is applied in the field of thermoforming equipment, can solve the problems of increasing staff and equipment investment, low production efficiency, and generation of defective products, and achieves the effect of compact structure, high production efficiency and good product quality
Inactive Publication Date: 2014-12-31
汕头市奇佳机械厂有限公司
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Problems solved by technology
However, for products that need to be punched, the plastic products obtained after the thermoforming mold is demoulded must be transferred to an additional punching device for punching, which requires increased staff and equipment investment, and the production efficiency is low; moreover, punching Plastic products must be precisely positioned when punching holes. If the punching position deviates slightly from the actual required position, defective and waste products will be produced
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[0027] Such as figure 1 As shown, this thermoforming mold includes an upper mold 1 and a lower mold 2 ( figure 1 shows the situation where three thermoforming dies are arranged side by side). During molding, the upper mold 1 is fixed on the frame, and the lower mold 2 moves up and down relative to the upper mold 1 .
[0028] Upper die 1 includes upper template 3 , upper shear die 4 and binder ring 5 . Upper shearing mold 4 is installed on the upper template 3, and upper shearing mold 4 has cavity 6, and the inner edge of upper shearing mold 4 lower ends is upper shearing blade (upward shearing mold 4 comprises upper shearing mold body 41 and upper notch piece 42 , the upper notch piece 42 is connected with the upper template 3 through the upper shear mold body 41, and the upper shear blade is located on the inner edge of the upper notch piece 42 lower end).
[0029] refer to figure 2 , The binder ring 5 is located in the cavity 6 of the upper shear die 4 . The binder rin...
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The invention relates to a thermal forming mould which comprises an upper mould and a lower mould. The upper module comprises an upper template and an upper shear mould. The upper shear mould is installed on the upper template and is provided with a cavity. The lower mould comprises a lower template, a lower shear mould and a forming mould. The lower shear mould is installed on the lower template, and the forming mould is arranged inside the lower shear mould. The thermal forming mould is characterized in that the upper mould further comprises a punch and a punch lift control mechanism which can drive the punch to lift in a manner relative to the upper template. The punch comprises a punching tool apron and at least a punching cutter. The punching tool apron is connected with the punch lift control mechanism, and the punching cutter is arranged on the punching tool apron. At least a punching assistant through hole is arranged at the bottom of the forming mould. The punching assistant through holes are is same as the punching tools cutter in number and are is in one-to-one correspondence to the punching toolscutter. The thermal forming mould provided by the invention can form, punch and shear at one time so as to produce single porous plastic products. The thermal forming mould is compact in structure and high in production efficiency, and the punching position is accurate and the product quality is good.
Description
technical field [0001] The present invention relates to thermoforming equipment, in particular to a thermoforming mold for a thermoforming machine. Background technique [0002] When a traditional thermoforming machine produces plastic products with holes, a forming device, a punching device and a shearing device are usually arranged in sequence on the frame, and a thermoforming mold is arranged in the forming device. When making plastic products, the plastic sheet is first heated to make the plastic sheet reach the molding temperature; when the heated plastic sheet passes through the forming device, the thermoforming mold shapes the plastic sheet; the formed plastic sheet then reaches the punching hole The punching device punches holes on the plastic product; after punching, the formed plastic sheet reaches the shearing device, and the shearing device cuts the plastic product from the formed plastic sheet to obtain a single plastic products. Since the thermoforming machin...
Claims
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IPC IPC(8): B29C51/32
Inventor 王惠群
Owner 汕头市奇佳机械厂有限公司