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Drive mechanism with flexible clamp

A driving mechanism and clamping technology, used in auxiliary devices, applications, auxiliary welding equipment, etc., can solve the problems of scratches on the surface of the pipeline, damage to the fixture, and small contact area between the fixture and the surface of the pipeline, to prevent left and right play and slippage. , the effect of reducing damage

Active Publication Date: 2015-09-02
NANJING ENIGMA IND AUTOMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the pipe moving left and right will damage the fixture, on the other hand, due to the small contact area between the fixture and the pipe surface, slipping will cause large scratches on the pipe surface

Method used

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  • Drive mechanism with flexible clamp
  • Drive mechanism with flexible clamp
  • Drive mechanism with flexible clamp

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1, with Figure 4 Take a steel pipe with a middle diameter of 450mm as an example.

[0025] The first step is to put the end of the steel pipe 1 to be welded on the V-shaped block 2, and then tie the steel pipe 1 with the chain 5 and lock it with the chain locker 4. At this time, the steel pipe 1 and the V-shaped block 2 are fixed together by the chain 5 , since then the flexible clamping of the steel pipe has been completed;

[0026] In the second step, start the servo motor 15 and drive the rotary part 14 to rotate through the gearbox, the rotary part 14 drives the connecting part 9 to rotate, and the steel pipe clamped on the connecting part 9 rotates, because there are two pairs of mutually perpendicular straight lines on the connecting part 9 The guide rail moving pair, the non-straight Φ450mm steel pipe 1 and the V-shaped block 2 can freely slide on the horizontal linear guide 7 and the vertical linear guide 25 during the rotation process (for the spec...

Embodiment 2

[0027] Embodiment 2, with Figure 5 Take a steel pipe with a middle diameter of 400mm as an example.

[0028] The first step is to put the end of the steel pipe 1 to be welded on the V-shaped block 2, then tie the steel pipe 1 with the chain 5 and lock it with the chain locker 4 (if the steel pipe is long, you can put the other end on the auxiliary support frame) , since then the flexible clamping of the steel pipe has been completed;

[0029] In the second step, start the servo motor 15 and drive the rotary part 14 to rotate through the gearbox, the rotary part 14 drives the connecting part 9 to rotate, and the steel pipe clamped on the connecting part 9 rotates, because there are two pairs of mutually perpendicular straight lines on the connecting part 9 The guide rail moving pair, the non-straight Φ400mm steel pipe 1 can freely move along the radial direction and perpendicular to each other during the rotation process (for the specific movement process, refer to image 3 ...

Embodiment 3

[0030] Embodiment 3, with Image 6 Take a steel pipe with a middle diameter of 350mm as an example.

[0031] The first step is to put the end of the steel pipe 1 to be welded on the V-shaped block 2, then tie the steel pipe 1 with the chain 5 and lock it with the chain locker 4 (if the steel pipe is long, you can put the other end on the auxiliary support frame) , since then the flexible clamping of the steel pipe 1 is completed;

[0032] In the second step, start the servo motor 15 and drive the rotary part 14 to rotate through the gearbox. The rotary part 14 drives the connecting part 9 to rotate, and the steel pipe 1 clamped on the connecting part 9 rotates. The linear guide rail moving pair, the non-straight Φ350mm steel pipe 1 can freely move along the radial direction and perpendicular to each other during the rotation process (for the specific movement process, refer to image 3 ), the two radial movements compound to play the role of automatic centering.

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Abstract

The invention discloses a drive mechanism with a flexible clamp. The drive mechanism comprises a connecting part and an installing plate with a round opening formed in the middle. The end of the connecting part is inserted into the round opening of the installing plate. A motor and a rotating structure which are mutually connected are fixed to the installing plate. A worm and gear structure is arranged in the rotating structure. The connecting part is in transmission connection with the rotating structure. The connecting part is provided with a through hole for a work-piece to penetrate through, two linear guide rail pairs perpendicular to each other, a V-type block used for locating a work-piece, a chain used for fixing the work-piece, and a chain locker used for locking the chain. The vertical linear guide rail pair comprises vertical linear guide rails and sliding blocks. The vertical linear guide rails are located at the two sides of the through hole respectively. The horizontal linear guide rail pair comprises horizontal linear guide rails and sliding blocks. A V-type block fixing plate is arranged at the bottom of the V-type block and fixedly connected with the sliding blocks of the linear guide rail pairs. The drive mechanism effectively prevents the work-piece from shifting left and right and sliding in the rotating process.

Description

technical field [0001] The invention relates to a driving mechanism with flexible clamping, which belongs to the technical field of natural gas pipeline welding. Background technique [0002] Since the oil to be transported contains sulfur elements and acidic substances, in order to prevent the oil pipeline from being corroded and damaged and improve the service life of the pipeline, the composite oil pipeline is selected. The lining pipe material of the composite oil pipeline is 316L stainless steel to ensure that the oil pipeline does not corrode and rust; the material of the outer base pipe is carbon steel to ensure that the oil pipeline has good strength and is not easy to be damaged. [0003] During the transportation of oil products, it is necessary to splice oil pipelines of 10 to 20 meters long to realize long-distance transportation of oil products. There are three main connection methods for pipelines: threaded, welded and flanged. Because welding has the advanta...

Claims

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Application Information

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IPC IPC(8): B23K37/053
CPCB23K37/0533B23K37/0538B23K2101/06
Inventor 程远
Owner NANJING ENIGMA IND AUTOMATION TECH CO LTD
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