Clamping and rotating mechanism of steel tube inner wall polishing device

A technology of rotating mechanism and internal polishing, applied in surface-polished machine tools, grinding/polishing equipment, grinding machine parts, etc. Stable, reasonable structure setting, good polishing effect

Inactive Publication Date: 2014-10-29
QINGDAO R & D INST XIAN JIAOTONG UNIV
6 Cites 4 Cited by

AI-Extracted Technical Summary

Problems solved by technology

Especially in recent years, with the promotion and popularization of pneumatic and hydraulic equipment, the steel pipes originally produced by cold rolling process in the industry can no longer meet the needs of customers
Under the demand of the market situation, most of the polishing process of the inner wall of the steel pipe is to install a polishing wheel on the output shaft of the motor. The labor intensity is high, the work efficiency is low, the product quality is not high, and the safety and reliability are low.
So on July 5, 2012, Huzhou Huading Stainless Steel Pipe I...
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Method used

The structure of the present invention is arranged reasonably, and cylinder piston rod telescopically promotes motor base to move left and right, thereby drives grinding bar to polish steel pipe inner wall, realizes the polishing of automation, and motor base front and back end slides ...
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Abstract

The invention discloses a camping and rotating mechanism of a steel tube inner wall polishing device. The camping and rotating mechanism comprises a motor, a three-jaw chuck and a grinding rod. A motor base is arranged at the lower end of the motor, four supporting feet are fixedly arranged at the bottom of the motor base, the bottom of each supporting foot is fixedly provided with a rolling wheel, an air cylinder base is arranged at the left end of the motor base, a supporting platform is integrally arranged on the right end face of the air cylinder base and fixedly provided with an air cylinder, the head portion of a piston rod of the air cylinder is detachably connected with the left end face of the motor base, transverse positioning grooves are symmetrically formed in the middle part of the front end face and the middle part of the rear end face of the motor base respectively, a positioning rod is arranged in each positioning groove, and a plurality of positioning blocks are fixedly arranged outside each positioning groove; a first grinding head used for rough machining is fixedly arranged at the right end of the grinding rod, and a second grinding head used for fine machining is fixedly arranged at the left end of the first grinding head. According to the technical scheme, a piston rod of the air cylinder stretches out and draws back to push the motor base to move leftwards and rightwards so that the grinding rod is driven to polish the inner wall of a steel tube, automated polishing is achieved, and the polishing effect is good.

Application Domain

Polishing machinesGrinding work supports

Technology Topic

Steel tubeEngineering +2

Image

  • Clamping and rotating mechanism of steel tube inner wall polishing device

Examples

  • Experimental program(1)

Example Embodiment

[0014] See figure 1 , The clamping and rotating mechanism of a steel pipe polishing device disclosed in the present invention includes a motor 1 and a three-jaw chuck 2 fixedly mounted on the motor spindle. The three-jaw chuck 2 has a grinding rod 3 inserted therein, so The lower end of the motor 1 is provided with a motor base 4, the bottom of the motor base 4 is fixedly provided with four legs 5, each leg 5 is fixedly provided with a roller 6 at the bottom, and the upper end of the motor base 4 is provided with a motor mounting groove 41. The motor 1 is fixedly installed in the motor mounting groove 41, the left end of the motor base 4 is provided with a cylinder base 7, and the right end of the cylinder base 7 is integrally provided with a supporting table 8 on which a cylinder 9 is fixedly installed, The head of the piston rod of the cylinder 9 is detachably connected to the left end surface of the motor base 4. The middle of the front and rear ends of the motor base 4 is symmetrically provided with a transverse positioning groove 42, and each positioning groove 42 is provided with a positioning groove 42. Rod 10, the left end of the positioning rod 10 is fixedly connected to the support table 8, and each positioning groove 42 is fixedly provided with a number of positioning plates 11, and the right end of the grinding rod 3 is fixedly provided with a first grinding head 12 for rough machining. The left end of the first grinding head 12 is fixedly provided with a second grinding head 13 for finishing, and the second grinding head 13 is arranged close to the first grinding head 12. As a preference, the first grinding head 12 is separated from the second grinding head 13 2-5 cm, and the first grinding head 12 and the second grinding head 13 are both threadedly connected with the grinding rod 3.
[0015] The three-jaw chuck 2 is fixed with the motor main shaft by screws, the grinding rod 3 is clamped and fixed by the three-jaw chuck 2, and the motor 1 is installed behind the motor mounting slot 41 and connected and fixed with the motor base 4 by screws. The feet 5 are integrated with the bottom surface of the motor base 4, and the bottoms of the four feet 5 are respectively sleeved with a roller rack. The rollers 6 are installed in the roller rack. The upper end of the support table 8 is a horizontal plane. The cylinder 9 and the upper end of the support table 8 are fixed by screws. , The left end of each positioning rod 10 is welded and fixed to the supporting table 8, a number of positioning plates 11 are evenly arranged horizontally along the center line of the positioning groove 42, and each positioning plate 11 is welded and fixed to the motor base 4.
[0016] In order to make the structure of the present invention more reasonable, as a preference, the four legs 5 at the bottom of the motor base 4 in this embodiment are distributed in a rectangular shape, and the lower end of the right end surface of the cylinder base 7 is fixedly provided with two sliding rails 14 parallel to each other. , The roller 6 rolls left and right along the slide rail 14.
[0017] The right end of the upper end surface of the motor base 4 is welded and fixed with a connecting nut 15, the connecting nut 15 is threadedly connected with a support rod 16, and the support rod 16 is perpendicular to the upper end surface of the motor base 4, and the upper end of the support rod 16 is welded and fixed Bearing 17, the left end of the grinding rod 3 passes through the bearing hole of the bearing 3 and is connected to the three-jaw chuck 2.
[0018] The left end of the upper end surface of the motor base 4 is integrally provided with a protrusion 18, the piston rod head of the cylinder 9 is threadedly connected with a connecting plate 19, and a locking screw 20 is provided between the connecting plate 19 and the left end of the protrusion 18, The connecting plate 19 is connected and fixed to the left end surface of the protrusion 18 by a locking screw 20. The right end of the cylinder 9 is provided with a first baffle 21, the first baffle 21 is integrally provided with the upper end surface of the support platform 8, and the first baffle 21 is provided close to the right end surface of the cylinder 9. The right end of the motor 1 is provided with a second baffle 22, the second baffle 22 is integrally provided with the upper end surface of the motor base 4, and the second baffle 22 is provided close to the right end surface of the motor 1.
[0019] The structure of the invention is reasonable. The cylinder piston rod expands and pushes the motor base to move left and right, thereby driving the grinding rod to polish the inner wall of the steel pipe to realize automatic polishing. The front and rear ends of the motor base slide left and right along the positioning rod through the positioning groove, and the motor base is not easy to slide. It makes the motor work stable and the polishing effect is good; the first grinding head and the second grinding head are set reasonably, so that the processing efficiency is high.
[0020] The above embodiments describe the present invention in detail, and are only used to further illustrate the present invention, and cannot be understood as limiting the protection scope of the present invention. Technical engineers in the field make some non-essential improvements and adjustments to the present invention based on the content of the above invention. It falls into the protection scope of the present invention.

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  • Reasonable structure
  • not easy to slide

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