Belt pulley counter pressure mold
A pulley and panel technology, applied in the field of mold manufacturing, can solve the problem that the pulley panel cannot be back-pressed to the inner side of the groove, so as to achieve the effect of improving speed and yield and improving product quality
Inactive Publication Date: 2017-05-17
TAIZHOU UNIV
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Problems solved by technology
[0005] The present invention aims to solve the technical problem that the pulley panel cannot be back-pressed to the inner side of the groove in the prior art, and provides a pulley panel back-pressure mold capable of back-pressing the web located on the outer side of the pulley to the inner side of the pulley groove
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[0020] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0021] Such as figure 2 , image 3 , Figure 4 The pulley panel counter-pressure mold shown includes an upper template 1 and a lower template 11. The upper template 1 is fixedly connected with an upper punch 3 by fixing screws 2; the lower template 11 is connected with an inner connecting plate 15 by using fixing screws 2. The concave-convex mold 16 is set on the connecting plate 15, and the concave-convex mold 16 directly plays an important role in the forming of the pulley, so the concave-convex mold 16 should be accurate and precise in size, and should have sufficient strength to prevent breakage or damage during the stamping process. At the same time, proper heat treatment is carried out on the material to prevent the hardness from being too high and brittle. An outer connecting plate 10 is arranged on the outer side of the inner con...
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The invention relates to a belt pulley plate backward pressing die, and belongs to the technical field of die machining. The belt pulley plate backward pressing die comprises an upper die plate (1) and a lower die plate (11), wherein the upper die plate (1) is fixedly connected with an upper male die (3) through fixing screws (2), and the lower die plate (11) is connected with an inner connecting plate (15) through fixing screws (2). An outer connecting plate (10) is arranged outside the inner connecting plate (15), a female die (9) and an outer sleeve (5) are arranged on the outer connecting plate (10), an outer die (7) is arranged inside the outer sleeve (5), a through hole (18) is formed in the outer sleeve (5), a threaded shaft (6) penetrates through the through hole (18) to be fixedly connected with the outer die (7), an elastic part is arranged on the threaded shaft (6), an ejector rod (12) is arranged on the lower die plate (11), and a guide ring (4) is arranged on the upper die plate (1). The outer die (7) abuts against and presses the outer side of a groove of a belt pulley, a concave-convex die (16) conducts backward pressing machining on a belt pulley plate, and therefore the plate can backward press the rear belt pulley (21) as required, the forming speed of the belt pulley and the yield of the belt pulley are improved, and the product quality is improved.
Description
technical field [0001] The invention belongs to the technical field of mold manufacturing, and in particular relates to a back pressure mold of a pulley web plate. Background technique [0002] The pulley drive is suitable for various power transmission occasions due to its smooth operation, low noise, low vibration, and the ability to moderate load shocks. The traditional belt pulley is made of rough by casting process, and then processed by cutting, but its disadvantages are serious material waste, low productivity, and low product precision. The produced belt pulley products need to be balanced due to low precision. [0003] In order to overcome the shortcomings of the traditional process and realize the lightweight of the pulley, the pulley produced by the spinning technology has gradually replaced the pulley made by the casting process. The advantage of the spinning pulley compared with the cast iron pulley is that it is made by the spinning process. The structure It i...
Claims
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IPC IPC(8): B21D37/10
Inventor 黄元平李军蔡一山
Owner TAIZHOU UNIV