An adjusting tooling for a stainless steel vacuum pipe fitting support

Abstract

The present invention provides an adjusting tooling for a stainless steel vacuum pipe fitting support, which includes a base, a straight rack, a pawl, a pawl connector, an angle adjusting base, a nut, a bearing, a threaded shaft, a slider, a rectangular pipe, an adjusting lead screw and an adjusting fixing block. The present invention combines with an electric chuck. By adjusting the height and angle of the support adjusting tooling, it can meet the support and welding requirements of stainless steel pipe fittings with different lengths and diameters, keep the stainless steel vacuum pipe fittings in the best welding state, reduce manual interference, and ensure that under the condition of reasonable welding process parameters, the weld appearance is uniform and the weld quality is good. This tooling is convenient and fast to disassemble and assemble, can be reused, and can support and adjust stainless steel pipe fittings with different lengths and diameters, greatly improving the utilization rate of the tooling and the welding qualification rate of stainless steel vacuum pipe fittings.

Description

Technical Field

[0001] The present invention belongs to the technical field of positioning welding tooling, and particularly relates to an adjusting tooling for a stainless steel vacuum pipe fitting support. Background Art

[0002] The pipe fitting support adjusting tooling is installed under the stainless steel pipe fitting and serves to support and adjust the stainless steel pipe. During the welding of the stainless steel pipe with other parts, it is used to ensure its straightness. During the welding process of the stainless steel pipe, reducing its own and external influencing factors can improve the stability of the butt welding of the stainless steel vacuum pipe fitting, and reduce the tendency of weld residual stress and stress concentration. At the same time, the process control affects the appearance quality and internal quality of the weld. Therefore, the support adjustment positioning stability and reliability of the support adjusting tooling are one of the key factors affecting the effective application and service life of the stainless steel pipe.

[0003] When using a mechanical chuck to fix the stainless steel vacuum pipe fitting, due to the short size of the three jaws, it is still difficult to clamp and fix even if the length of the stainless steel pipe is small. For the current working method, when the length of the stainless steel vacuum pipe fitting is small, only a simple tooling is used for support. In most working environments, in order not to affect the weld quality, whether it is the outside of the stainless steel pipe or the inner side near the edge, manual TIG welding is often used, and the stainless steel needs to be rotated manually, which requires high skills from the welding operator and is prone to weld defects caused by rotation jamming or being too fast; when the length of the stainless steel pipe is large, in order to ensure the straightness of the steel pipe itself, a large tooling is required to ensure the stability of the welding process. The tooling debugging process is more cumbersome. In the case of outdoor operations, it affects the operation efficiency and it is difficult to ensure the weld quality. Summary of the Invention

[0004] (1) Technical Problems to be Solved

[0005] The present invention provides an adjusting tooling for a stainless steel vacuum pipe fitting support to solve the technical problems of how to ensure the straightness of the stainless steel pipe during external butt welding of the stainless steel or welding near the port part of the inner wall of the pipe, realizing a smooth transition of the weld by rotating the stainless steel pipe at a constant speed to match the welding parameters, and at the same time realizing the rapid installation and disassembly of the stainless steel pipe support adjusting tooling, improving the work efficiency and reducing the interference of external factors.

[0006] (2) Technical Solutions

[0007] To solve the above technical problems, the present invention provides an adjusting tooling for a stainless steel vacuum pipe fitting support, which includes a base, a straight rack, a pawl, a pawl connector, an angle adjustment base, a nut, a bearing, a threaded shaft, a slider, a rectangular pipe, an adjusting lead screw, and an adjusting fixing block; wherein,

[0008] The base serves as the fixed base of the support adjusting tooling; the straight rack is arranged on the upper surface of the base, and the upper half of the straight rack penetrates into the interior of the rectangular tube from the bottom of the rectangular tube. By the vertical movement of the rectangular tube relative to the straight rack, the support height of the support adjusting tooling is adjusted; the pawl connector is installed on the outer wall of the rectangular tube, and a pawl is installed on each side of the pawl connector through a rotating shaft. The pawl can rotate freely around the rotating shaft. After adjusting the height of the rectangular tube relative to the straight rack to meet the support requirements, the pawl can automatically rotate towards the straight rack direction, thereby clamping the straight rack;

[0009] The angle adjusting base is fixedly installed at the top of the rectangular tube; the adjusting fixing block includes a fixing plate, an adjusting base connecting support plate located at the bottom of the fixing plate, and a fixing block located at the top of the fixing plate; wherein, the adjusting base connecting support plate is connected to the angle adjusting base through a threaded shaft. After adjusting the adjusting fixing block to be parallel to the stainless steel vacuum pipe fitting, the adjusting fixing block is locked and fixed by a nut installed at the front end of the threaded shaft; a sliding groove is arranged on the fixing plate, and the slider is installed in the sliding groove; bearings are installed at both ends of the fixing block and the slider respectively, which are used to support the stainless steel vacuum pipe fitting and can reduce the resistance when the stainless steel pipe rotates, ensuring the stable rotation during the welding of the stainless steel pipe; one end of the adjusting lead screw is connected to the threaded hole on the fixing plate, and the other end is connected to the slider. By rotating the adjusting lead screw, the slider can be driven to slide along the sliding groove, adjusting the distance between the slider and the fixing plate, changing the width between the two side bearings, so that the support adjusting tooling can be suitable for the support and rotation of stainless steel pipes with different diameters.

[0010] Furthermore, a plurality of waist-shaped round holes are machined on the base, which is convenient for fixing the support adjusting tooling to the welding platform through bolts.

[0011] Furthermore, the tooth part on the straight rack is a right triangle tooth.

[0012] Furthermore, rectangular baffles are arranged on both sides of the right triangle tooth part, and the rectangular baffles can fit on the inner wall of the rectangular tube.

[0013] Furthermore, the center of the pawl is biased above the rotating shaft.

[0014] Furthermore, the bearing is a ball bearing.

[0015] (III) Beneficial effects

[0016] The present invention provides an adjusting tool for a stainless steel vacuum pipe fitting support, which includes a base, a straight rack, a pawl, a pawl connector, an angle adjusting base, a nut, a bearing, a threaded shaft, a slider, a rectangular pipe, an adjusting lead screw and an adjusting fixing block. The present invention combines with an electric chuck. By adjusting the height and angle of the support adjusting tool, it can meet the support and welding requirements of stainless steel pipe fittings with different lengths and diameters, keep the stainless steel vacuum pipe fitting in the best welding state, reduce manual interference, and ensure that under the condition of reasonable welding process parameters, the weld appearance is uniform and the weld quality is good. This tool is convenient and fast to disassemble and assemble, can be reused, and can support and adjust stainless steel pipe fittings with different lengths and diameters, greatly improving the utilization rate of the tool and the welding qualification rate of stainless steel vacuum pipe fittings.

[0017] The innovation points and beneficial effects of the present invention specifically include:

[0018] 1. The waist-shaped circular hole in the base can be fixed conveniently and quickly, solving the stability problem of the support adjusting tool during work. Using the straight rack and the pawl to complete the height adjustment of the support can solve the welding problem of stainless steel pipes applied at different heights. Rotating the threaded shaft in the through hole of the angle adjusting base by the threaded shaft in the adjusting fixing block and tightening the threaded shaft with a nut can fix the adjusting fixing block, which can solve the welding problem of stainless steel pipes at different angles;

[0019] 2. By moving the slider through the adjusting lead screw, and then changing the distance between the slider and the adjusting fixing block, it can solve the support problem of stainless steel pipes with different diameters during welding. The bearings installed on the slider and the adjusting fixing block support the stainless steel pipe while the electric chuck clamps and rotates the stainless steel pipe, and the stainless steel pipe at the bearing end rotates synchronously, solving the problem of uniform and stable rotation of stainless steel pipes at different lengths;

[0020] 3. Through the adjustment of the height, width and angle of the support adjusting tool, it can not only solve the stability problem in the welding of longer stainless steel pipes, but also keep the longer stainless steel pipe with high straightness and perpendicularity through multiple support adjusting tools, which is beneficial to ensuring the welding quality and low post-weld residual stress;

[0021] 4. Under the condition of no electric chuck, by using multiple support adjusting tools and manually assisting in rotating the stainless steel pipe, the rigid support of the support and the rotation of the bearing still have high stability, ensuring the smooth progress of the welding process.

[0022] The present invention adopts a support adjusting tool with multi-dimensional adjustment, which can solve the stable welding problem of stainless steel vacuum pipe fittings, meet the welding implementation process of stainless steel vacuum pipe fittings with different lengths, different heights, different angles and different diameters, and has great application value in practical applications. Description of the Drawings

[0023] Figure 1 The front view of the adjusting tooling for the stainless steel vacuum pipe fitting support of the present invention;

[0024] Figure 2 The top view of the adjusting tooling for the stainless steel vacuum pipe fitting support of the present invention;

[0025] Figure 3 The side view of the adjusting tooling for the stainless steel vacuum pipe fitting support of the present invention;

[0026] Figure 4 The positive three - axis isometric view of the adjusting tooling for the stainless steel vacuum pipe fitting support of the present invention. Detailed implementation manners

[0027] To make the purpose, content and advantages of the present invention clearer, the following combines the drawings and embodiments to further describe in detail the specific implementation manners of the present invention.

[0028] This embodiment proposes an adjusting tooling for a stainless steel vacuum pipe fitting support, and its structure is as shown in Figure 1 and 2 and mainly includes a base 1, a straight rack 2, a pawl 3, a pawl connector 4, an angle - adjusting base 5, a nut 6, a bearing 7, a threaded shaft 8, a slider 9, a rectangular tube 10, an adjusting lead screw 11 and an adjusting fixing block 12.

[0029] The base 1 serves as the fixed base of the support adjusting tooling. Four waist - shaped round holes are machined on the base 1, which is convenient for fixing the support adjusting tooling to the welding platform through bolts, effectively ensuring that the support adjusting tooling will not shake during operation.

[0030] The straight rack 2 is arranged on the upper surface of the base 1. The upper half of the straight rack 2 penetrates into the interior of the rectangular tube 10 from the bottom of the rectangular tube 10. By the vertical movement of the rectangular tube 10 relative to the straight rack 2, the support height of the support adjusting tooling is adjusted. The pawl connector 4 is installed on the outer wall of the rectangular tube 10. A pawl 3 is installed on each side of the pawl connector 4 through a rotating shaft. The center of the pawl 3 is biased above the rotating shaft. The pawl 3 can rotate freely around the rotating shaft. After the height of the rectangular tube 10 relative to the straight rack 2 is adjusted to meet the support requirement, the pawl 3 can automatically rotate towards the straight rack 2, thereby clamping the straight rack 2 and increasing the load - bearing capacity.

[0031] The tooth part on the straight rack 2 is a right - angled triangle tooth, which is used to keep the pawl 3 from slipping sideways after being stuck, ensuring the perpendicularity and stability of the support adjusting tooling. Rectangular baffles are arranged on both sides of the tooth part, and the rectangular baffles can fit on the inner wall of the rectangular tube 10 to prevent the rectangular tube 10 from getting stuck during lifting and lowering.

[0032] The angle-adjusting base 5 is fixedly installed at the top end of the rectangular pipe 10. The adjusting and fixing block 12 includes a fixing plate, an adjusting base connecting support plate located at the bottom of the fixing plate, and a fixing block located at the top of the fixing plate. The adjusting base connecting support plate is connected to the angle-adjusting base 5 through a threaded shaft 8. After adjusting the adjusting and fixing block 12 to be parallel to the stainless steel vacuum pipe fitting, the adjusting and fixing block 12 is locked and fixed by a nut 6 installed at the front end of the threaded shaft 8. A sliding groove is provided on the fixing plate, and a slider 9 is installed in the sliding groove. A bearing 7 is installed at each end of the fixing block 12 and the slider 9. The bearing 7 is a ball bearing, which is used to support the stainless steel vacuum pipe fitting and can reduce the resistance when the stainless steel pipe rotates, so as to ensure the stable rotation of the stainless steel pipe during welding and ensure the smooth transition of the weld seam. One end of the adjusting lead screw 11 is connected to a threaded hole on the fixing plate, and the other end is connected to the slider 9. By rotating the adjusting lead screw 11, the slider 9 can be driven to slide along the sliding groove, and the distance between the slider 9 and the fixing plate can be adjusted, so as to change the width between the two bearings 7, making the support adjusting tooling suitable for the support and rotation of stainless steel pipes with different diameters.

[0033] The using process of the support adjusting tooling for the stainless steel vacuum pipe fitting of the present invention is as follows: Fix the base 1 of the support adjusting tooling in front of the electric chuck. According to the welding process requirements, cooperate the support adjusting tooling with the electric positioner. Adjust the adjusting and fixing block 12 to an appropriate height through the pawl 3 and the straight rack 2. According to the diameter of the stainless steel pipe, adjust the distance between the bearings 7 through the adjusting lead screw 11, and keep the adjusting and fixing block 12 at an appropriate angle. After confirming that the angle and height of the stainless steel pipe are reasonable, weld the stainless steel pipe while the chuck is tightened.

[0034] The support adjusting tooling of the present invention can adjust the support according to the actual length and diameter of the stainless steel pipe fitting, and adjust the inclination angle of the stainless steel pipe fitting according to the welding requirements before welding, which is convenient for welding implementation. Through angle adjustment, it is not only applicable to the external welding of the end of the stainless steel pipe, but also applicable to the welding near the port inside the stainless steel pipe fitting. At the same time, different welding methods (such as TIG, laser welding) can be adopted according to needs.

[0035] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present invention, several improvements and deformations can still be made, and these improvements and deformations should also be regarded as the protection scope of the present invention.

Claims

1. A stainless steel vacuum pipe fitting support adjustment tooling, characterized in that, The support adjusting tooling includes a base, a straight rack, a pawl, a pawl connector, an angle adjusting base, a nut, a bearing, a threaded shaft, a slider, a rectangular tube, an adjusting lead screw and an adjusting fixing block; wherein, The base serves as the fixed base of the support adjusting tooling; the straight rack is arranged on the upper surface of the base, and the upper half of the straight rack penetrates into the interior of the rectangular tube from the bottom of the rectangular tube. The support height of the support adjusting tooling is adjusted by the vertical movement of the rectangular tube relative to the straight rack; the pawl connector is installed on the outer wall of the rectangular tube, and a pawl is installed on each side of the pawl connector through a rotating shaft. The pawl can rotate freely around the rotating shaft. After the height of the rectangular tube relative to the straight rack is adjusted to meet the support requirement, the pawl can automatically rotate towards the straight rack direction to clamp the straight rack; a plurality of waist-shaped round holes are machined on the base to facilitate the fixation of the support adjusting tooling to the welding platform through bolts; the tooth part on the straight rack is a right triangle tooth; The angle adjusting base is fixedly installed at the top of the rectangular tube; the adjusting fixing block includes a fixing plate, an adjusting base connecting support plate at the bottom of the fixing plate and a fixing block at the top of the fixing plate; wherein, the adjusting base connecting support plate is connected to the angle adjusting base through a threaded shaft. After the adjusting fixing block is adjusted to be parallel to the stainless steel vacuum pipe fitting, the adjusting fixing block is locked and fixed by a nut installed at the front end of the threaded shaft; a sliding groove is arranged on the fixing plate, and the slider is installed in the sliding groove; bearings are installed at both ends of the fixing block and the slider respectively to support the stainless steel vacuum pipe fitting and reduce the resistance when the stainless steel pipe rotates, ensuring the stable rotation during the welding of the stainless steel pipe; one end of the adjusting lead screw is connected to the threaded hole on the fixing plate, and the other end is connected to the slider. By rotating the adjusting lead screw, the slider can be driven to slide along the sliding groove, adjusting the distance between the slider and the fixing plate, changing the width between the two bearings, so that the support adjusting tooling can be suitable for the support and rotation of stainless steel pipes with different diameters.

2. The stainless steel vacuum pipe fitting support adjusting tooling according to claim 1, characterized in that, Rectangular baffles are arranged on both sides of the right triangle tooth part, and the rectangular baffles can fit on the inner wall of the rectangular tube.

3. The stainless steel vacuum pipe fitting support adjusting tooling according to claim 1, characterized in that The center of the pawl is biased above the rotating shaft.

4. The stainless steel vacuum pipe fitting support adjusting tooling according to claim 1, characterized in that, The bearing is a ball bearing.

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