Pitch swing mechanism
A technology of swing mechanism and pitch, which is applied in the direction of manufacturing springs from wires, other household appliances, household appliances, etc. It can solve the problems of complex installation structure of pitch blocks, affecting spring pitch accuracy, inconsistent spring length, etc., and achieves improved transmission Accuracy and working stability, improved force transmission performance, and low slip rate
Active Publication Date: 2015-07-01
TONGLING DONGFANG MINING MASCH CO LTD
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Problems solved by technology
[0002] The pitch mechanism of the spring machine is an essential structure of the spring machine. However, in the current pitch structure of the spring machine, there are many transmission swing rods and large swing angles. During use, the length of the spring is inconsistent. Before grinding the spring, the spring length must be corrected manually. , which not only affects the accuracy of the spring pitch, but also increases the manufacturing cost; at the same time, the conventional cams are installed in the box, and the installation structure of the pitch block is complicated, which is very inconvenient for debugging and is not conducive to the maintenance of the equipment
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[0021] combine figure 1 , figure 2 and image 3 , the present invention provides a pitch swing structure, including a camshaft 1, the first cam 2 and the second cam 3 are installed on the camshaft 1, a rolling bearing 16 is installed between the second cam 3 and the first swing rod 9, the second An adjustment block 7 is arranged between the first swing rod 9 and the second swing rod 8, and the adjustment block 7 and the second swing rod 8 are adjusted by the second screw rod 6, and the second swing rod 8 and the large swing rod 5 are adjusted by the first bolt 4 Transmission connection, the bracket 12 is installed on the pitch push rod 14, the high-pair transmission structure is between the large swing rod 5 and the bracket 12, the top of the pitch push rod 14 is provided with a rectangular hole 11, and the pitch block 10 is installed on the rectangular In the hole 11 , the compression spring 13 is wound on the pitch push rod 14 and is located under the bracket 12 . A t...
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The invention discloses a pitch swing mechanism, and belongs to the technical field of key parts on spring machines. The pitch swing mechanism comprises a cam shaft; a first cam and a second cam are arranged on the cam shaft; the second cam allows a first swing rod to swing by transmission of a rolling bearing; the swing angle of a second swing rod is changed through an adjusting block between the first swing rod and the second swing rod; the second swing rod and a big swing rod are in contact transmission through the head of a first bolt; a high secondary transmission structure is arranged between the big swing rod and a support; the support is arranged on a pitch push rod; the top of the pitch push rod is provided with an oblong hole; a pitch block is arranged in the oblong hole; the first cam and the second cam are arranged in the direction facing an operator; a third bolt on the top of the pitch push rod is used for fixing the pitch block; and the transmission pressure angle at a position where the swing angle of each swing rod is in contact with each swing rod is less than or equal to 10 degrees. The pitch swing mechanism is simple in structure and convenient to operate, and improves the transmission precision and the working stability.
Description
technical field [0001] The invention relates to a pitch swing mechanism, which belongs to the technical field of key parts on a spring machine. Background technique [0002] The pitch mechanism of the spring machine is an essential structure of the spring machine. However, in the current pitch structure of the spring machine, there are many transmission swing rods and large swing angles. During use, the length of the spring is inconsistent. Before grinding the spring, the spring length must be corrected manually. , which not only affects the pitch accuracy of the spring, but also increases the manufacturing cost; at the same time, the conventional cams are installed in the box, and the installation structure of the pitch block is complicated, which is very inconvenient for debugging and is not conducive to the maintenance of the equipment. [0003] Based on this, make the present invention. Contents of the invention [0004] In the present invention, a pitch swing mechani...
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IPC IPC(8): B21F35/00
Inventor 俞家林俞家淼黄花丽
Owner TONGLING DONGFANG MINING MASCH CO LTD