A special jig for manufacturing a collar and a method of using the same
A special fixture and card slot technology, applied in the field of mechanical processing, to achieve good formability and adaptability
Active Publication Date: 2016-06-22
SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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- Abstract
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Problems solved by technology
[0004] Aiming at the problems existing in the prior art, the present invention provides a special clamp for manufacturing collars and its usage method which can effectively solve the deformation problem in the collar manufacturing process
Method used
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Embodiment Construction
[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0023] like Figure 3 ~ Figure 5 As shown, a special fixture for manufacturing collars includes a cylindrical mandrel 4, a positioning ring 3 with a central hole 15 and a sleeve 16, and the positioning ring 3 is provided with a positioning groove 14 for a flat steel wire 6. The positioning ring 3 outside the groove 14 is provided with an arc-shaped baffle plate 10, and the arc-shaped baffle plate 10 is fixed on the positioning ring 3 by the first screw 8; a right-handed rectangular thread groove is provided in the middle of the mandrel 4 5. The left end of the mandrel 4 is set in the central hole 15 of the positioning ring 3, and is fixedly connected by the locking screw 9 on the positioning ring 3, and the handle 7 is fixed on the positioning ring 3; the right end of the mandrel 4 is set in the sleeve In the barrel 16, and can rotat...
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A special clamp for manufacturing collars and a use method thereof belong to the technical field of mechanical processing. The special clamp comprises a mandrel, wherein a positioning groove is formed in a positioning ring, and a baffle is fixedly arranged on the positioning ring outside the positioning groove. A right-handed rotation rectangular threaded groove is formed in the middle of the mandrel, and a handle is fixed on the positioning ring. The use method of the special clamp includes: bending one end of a flat wire to be at 90 degrees; placing the bend end of the flat wire in the positioning groove of the positioning ring and fixing the baffle on the positioning ring; placing the other end of the flat wire in the right-handed rotation rectangular threaded groove of the mandrel, penetrating the left end of the mandrel into a center hole of the positioning ring, and fixing the mandrel in the positioning ring through a locking screw; placing the right end of the mandrel in a sleeve, adjusting the position of a positioning block, placing the upper portion of the flat wire in a clamping groove of the positioning block, and fixing he positioning block on the sleeve; holding the sleeve tightly through one hand and holding the handle tightly and rotating it through the other hand to completely wind the flat wire on the mandrel; dismounting the baffle and processed parts.
Description
technical field [0001] The invention belongs to the technical field of mechanical processing, and in particular relates to a special fixture for manufacturing collars and a using method thereof. Background technique [0002] There is a kind of collar in the aero-engine, which is a special-shaped small collar, and its structure is as follows figure 1 , figure 2 As shown, the part has a single-turn opening shape and is made of GH2132 flat steel wire. The cross-sectional size of the raw material is 0.6mm×1.5mm. Since there are two small holes of Φ6mm near the opening of the part, it is required for the part to be wound after winding. The size and flatness meet the requirements, that is, the part cannot be "dish". [0003] When winding the collar parts, due to the large ratio of the length and width of the cross section of the flat steel wire, the stress is relatively large during winding, and deformation is easy to occur. When the flat steel wire is bent and wound based on ...
Claims
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IPC IPC(8): B21F3/04B21F45/00
Inventor 崔媛李红梅高莎
Owner SHENYANG LIMING AERO-ENGINE GROUP CORPORATION