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Long shaft part center adjustable quick clamping and machining device and operation method thereof

A technology for processing devices and shaft parts, which is applied in the field of adjustable center quick clamping processing devices for long shaft parts, can solve the problems of inability to realize dynamic clamping of parts, complex device structure, no processing function, etc., and achieves guaranteed processing. The effect of surface quality and dimensional accuracy, optimization of processing technology, and simplification of processing and installation procedures

Pending Publication Date: 2019-06-07
SUZHOU CHIEN SHIUNG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional clamping and positioning fixtures are generally based on the premise of the static part, and the clamping of the high-speed rotating parts during the cutting process is easy to scratch the surface
[0003] The Chinese patent authorization number is CN 107414698 A, which discloses a fixed clamping and positioning device for long-axis parts. Play the role of fixed clamping, no processing function, high cost, and complex device structure
[0004] The Chinese patent authorization number is CN 201988951 U, which discloses a clamping device for long shaft parts. The device has a simple structure, but only clamps long shafts at rest, and cannot realize dynamic clamping of parts under rotary motion. And no processing function

Method used

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  • Long shaft part center adjustable quick clamping and machining device and operation method thereof
  • Long shaft part center adjustable quick clamping and machining device and operation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035]Based on the above structural basis, the shaft part 4 is clamped on the three-jaw chuck 1 and rotates at a high speed, the driving motor 34 is started, the driving cam 32 rotates, and the inclined-plane propulsion block 33 is pushed upward, and at the same time, the inclined surfaces on both sides of the inclined-plane propulsion block 33 push two The V-shaped rod 21 rotates around the fixed block 213 in the positive direction of the shaft part 4 to realize the clamping action, and the spring 22 connecting the two ends of the V-shaped rod 21 is stretched by force; the ends of the two V-shaped rods 21 are equipped with rollers 211, When clamping, the roller 211 rotates synchronously with the shaft part 4, thereby realizing dynamic clamping; at the same time, the screw feed tool 331 is installed with the roller 211, which forms a three-point support and fixation of the cylindrical part with the rollers at both ends of the V-shaped rod 21, and is advanced by the screw 3311 R...

Embodiment 2

[0037] Based on the above structural basis, the shaft part 4 is clamped on the three-jaw chuck 1 and rotates at a high speed, the driving motor 34 is started, the driving cam 32 rotates, and the inclined-plane propulsion block 33 is pushed upward, and at the same time, the inclined surfaces on both sides of the inclined-plane propulsion block 33 push two The V-shaped rod 21 rotates around the fixed block 213 in the positive direction of the shaft part 4 to realize the clamping action, and the spring 22 connecting the two ends of the V-shaped rod 21 is stretched by force; the ends of the two V-shaped rods 21 are equipped with rollers 211, When clamping, the roller 211 rotates synchronously with the shaft part 4, thereby realizing dynamic clamping; at the same time, the screw feed tool 331 is installed with a cutting tool, and the cutting feed of the tool is realized by advancing the screw rod 3311. After the clamping and breaking action is completed, the cam 211 is unclamped, an...

Embodiment 3

[0039] Based on the above structural basis, the shaft part 4 is clamped on the three-jaw chuck 1 and rotates at a high speed, the driving motor 34 is started, the driving cam 32 rotates, and the inclined-plane propulsion block 33 is pushed upward, and at the same time, the inclined surfaces on both sides of the inclined-plane propulsion block 33 push two The V-shaped rod 21 rotates around the fixed block 213 in the positive direction of the shaft part 4 to realize the clamping action, and the spring 22 connecting the two ends of the V-shaped rod 21 is stretched by force; the ends of the two V-shaped rods 21 are equipped with rollers 211, During clamping, the roller 211 rotates synchronously with the shaft part 4, thereby realizing dynamic clamping; at the same time, the screw feed tool 331 is equipped with a grinding wheel, and the screw 3311 is advanced to realize the feeding of the grinding tool. After the clamping and grinding action is completed, the cam 211 is released, an...

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Abstract

The invention provides a long shaft part center adjustable quick clamping and machining device and an operation method thereof. The device comprises a chuck, a fixture and a force applying device. Thechuck is used for fixing one end of a shaft part. The fixture comprises two V-shaped rods used for clamping the other end of the shaft part. The V-shaped rods are fixedly connected through a spring.The tail ends of the V-shaped rods are provided with rolling wheels. The force applying device comprises a cam, a bevel push block and a driving motor. The two bevels of the bevel push block are arranged in an inverted-V shape. The upper end of the bevel push block is arranged in the space formed by connecting the spring and the V-shaped rods. The lower end of the bevel push block is connected with one side of the cam. The driving motor is arranged on the other side of the cam. The long shaft part center adjustable quick clamping and machining device provided by the invention can implement quick clamping and dynamic clamping and machining on different diameters of shaft parts, is fast and convenient to operate, firm in clamping, integrates the functions of centers and follow-rest devices during traditional shaft part machining, saves the cost and optimizes the machining process.

Description

technical field [0001] The invention belongs to the technical field of mechanical clamping and processing devices, in particular to a center-adjustable fast clamping processing device for long shaft parts, especially a device for clamping, supporting and processing elongated shaft parts with different curvature radii Adjustable center type quick clamping processing device for long shaft parts. The present invention also relates to a working method of the center-adjustable fast clamping processing device for long shaft parts. Background technique [0002] Long shaft parts are widely used in various mechanical equipment as the main parts for transmitting torque and motion. However, due to the slender characteristics of long-axis parts, they are easily affected by their own gravity, cutting force and cutting heat during cutting, resulting in deformation, which seriously affects the quality of the machined surface and dimensional accuracy. At present, the processing of long-ax...

Claims

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Application Information

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IPC IPC(8): B23Q3/06B23B31/02
CPCY02P70/10
Inventor 纪飞飞
Owner SUZHOU CHIEN SHIUNG INST OF TECH
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