Pressing machine for equidensity pressing process and formula test of disc brake pad
A technology of disc brake pads and equal density, which is applied in the direction of material forming presses, presses, manufacturing tools, etc., can solve the problems of inability to collect, inaccurate test process parameters, long test process, etc., to achieve rapid heating and Uniformity, guarantee the test quality, improve the effect of test accuracy
Inactive Publication Date: 2013-09-18
济南易久自动化技术有限公司
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Problems solved by technology
Since the pressing pressure of the general-purpose press cannot be precisely adjusted and the pressing force can be directly collected, the general-purpose mold does not have the temperature control and temperature collection of the cavity, core and top plate at the same time, and the process of physical changes of the friction material during the hot pressing process cannot be collected, resulting in The obtained test process parameters are inaccurate, and the pressing test process cannot be analyzed. The test process is long and the number of times is large, and the best pressing process parameters cannot be obtained.
When the pressing process parameters are applied to production, it will cause instability in product quality
Method used
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[0018] Such as figure 1 with figure 2 As shown, the pressing machine for the disc brake pad laboratory of the present invention mainly includes a base 1, a multi-cavity equal-density mold 38, a pressing mechanism, a mold clamping mechanism, a molding device 39 and a translation mechanism of the molding device. The four corners of the base 1 are equipped with uprights 2, the clamping mechanism includes a moving beam 7 and two clamping cylinders 4, the lower end of the clamping cylinder 4 is positioned and fixed by the lower platen 3, and the piston rod of the clamping cylinder 4 is connected The plate 6 is connected with the moving beam 7, and the moving beam 7 is set on the four columns 2, and can move up and down along the columns 2 driven by the clamping cylinder 4. A displacement sensor 8 is installed on the moving beam 7 to detect the moving distance between the moving beam 7 and the molding device (ie the relative displacement between the mold cavity and the mold core)....
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The invention discloses a pressing machine for an equidensity pressing process and a formula test of a disc brake pad. The machine comprises a base, a multi-cavity equidensity mold, pressing mechanisms, a mold closing mechanism, a mold pressing device, a mold pressing device translation mechanism and a programmable controller, wherein the pressing mechanisms and the mold closing mechanism are arranged on the base; the multi-cavity equidensity mold and a displacement sensor are arranged on the mold closing mechanism; at least two mold cavities are formed in the multi-cavity equidensity mold; a set of mold core is arranged in each mold cavity and is connected with a set of pressing mechanism; a force sensor is arranged between each set of mold core and each set of pressing mechanism; the mold pressing device translation mechanism is provided with the mold pressing device and is arranged on an upright post on the base; and the mold cavities and the mold cores of the multi-cavity equidensity mold and the mold pressing device are provided with heating elements and temperature sensors. The machine can accurately control pressing process parameters and detect the change process of a temperature, pressure and displacement in the pressing process in real time to provide a basis for analyzing and determining the process parameters.
Description
technical field [0001] The invention relates to a pressing machine used for equal-density pressing process and formula test of disc brake pads, and belongs to the technical field of disc brake pad manufacturing. Background technique [0002] The friction material formula for manufacturing disc brake pads can only be tested for its performance after it has been shaped by a compression test, and its compression process parameters are determined during the compression test. The parameters of the pressing process include pressing temperature, pressing pressure, times of deflation, pressure holding time, etc. At present, general-purpose presses and general-purpose molds are generally used for compression tests of friction materials. Since the pressing pressure of the general-purpose press cannot be precisely adjusted and the pressing force can be directly collected, the general-purpose mold does not have the temperature control and temperature collection of the cavity, core and ...
Claims
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IPC IPC(8): B30B11/00B30B15/02B30B15/26B30B15/34
Inventor 杨文波孙志吾高永青赵彦秋温玉萍秦金山
Owner 济南易久自动化技术有限公司