Forming and punching combined oil cylinder
A technology of punching and forming columns, applied in the direction of fluid pressure actuators, etc., can solve the problems of low coaxiality, low production efficiency, etc., and achieve the effect of ensuring accuracy
Inactive Publication Date: 2012-04-04
HENGYANG FENGSHUN AXLE CO LTD
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Problems solved by technology
[0002] Most of the oil cylinders used in the hydraulic system are single-action cylinders, that is, the oil cylinder can only complete a single-function action, and some products in the machining cold stamping process need both forming and punching on the formed product. The current method is Parts are first formed at one station and then punched at another station. Because of the double clamping, the punched hole has a low coaxiality with the shape, and multi-process transfer, resulting in low production efficiency.
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[0015] As shown in the accompanying drawings: a forming and punching combination oil cylinder, which includes a cylinder body part, a forming part and a punching part.
[0016] The cylinder body part includes: cylinder body 12, cylinder head 2, cylinder head screw hole 2-1, cylinder head screw 3, snap ring retaining ring 4, threaded hole 1, stamping oil chamber 15, first threaded hole 6, The second threaded hole 8, the first formed oil return chamber oil passage 22, the second formed oil return chamber oil passage 24, the wear-resistant sleeve 11, the screw 13, the countersunk screw hole 14, the cylinder body 12 and the cylinder head 2 are all cylindrical shaped structure, the inner chamber of the cylinder block 12 is stepped, and the cylinder head screw 3 passes through the cylinder head screw hole 2-1 on the cylinder head 2 to fix the cylinder head 2 on the top of the cylinder block 12, and the middle of the cylinder head 2 has a Threaded hole 1, cylinder head screw holes 2-...
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The invention discloses a forming and punching combined oil cylinder. The forming and punching combined oil cylinder comprises a cylinder body part, a forming part and a punching part. The cylinder body part comprises a cylinder body, a cylinder cover, a stamping oil cavity, and a forming oil return cavity oil path; the cylinder body and the cylinder cover both have a cylindrical structure; the inner cavity of the cylinder body has a step shape; the forming part comprises a forming plunger, and a forming sealing groove ring; the outer surface of the forming plunger has a step shape which corresponds to the step shape of the inner cavity of the cylinder body, and the forming plunger is placed in the inner cavity of the cylinder body; the punching part comprises a punching plunger, and a punching seal groove ring; the punching plunger is solid, and the outer part of the punching plunger has a step shape which corresponds to the step shape of the inner cavity of the forming plunger; and the punching plunger is placed in the stepped inner cavity of the forming plunger.
Description
technical field [0001] The invention relates to a cold stamping tool in the field of mechanical processing, in particular to a forming and punching combination oil cylinder used for bending forming and cutting dies. Background technique [0002] Most of the oil cylinders used in the hydraulic system are single-action cylinders, that is, the oil cylinder can only complete a single-function action, and some products in the machining cold stamping process need both forming and punching on the formed product. The current method is Parts are first formed at one station and then punched at another station. Because of the double clamping, the punched holes have low coaxiality with the shape, and the multi-process transfer results in low production efficiency. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art and provide a forming and punching combined oil cylinder that can complete forming and ...
Claims
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IPC IPC(8): F15B15/08
Inventor 廖辉江
Owner HENGYANG FENGSHUN AXLE CO LTD