Hydraulic in-situ milling and welding tool for I-shaped flange

Abstract

The invention discloses a hydraulic in-situ milling and welding tool for an I-shaped flange. The hydraulic in-situ milling and welding tool comprises a base; the I-shaped flange mold tire is arranged on the base; the hydraulic cylinder is connected with the I-shaped flange mold; the supporting shaft is arranged on the base; the base and the I-shaped flange mold are connected with the guide shaft; the flange pressing mechanism is arranged on the I-shaped flange mold tire; and the flange supporting mandrel is arranged on the supporting shaft. Through the application of the hydraulic in-situ milling and welding tool for the I-shaped flange, the problem that the welding position cannot be guaranteed after multiple times of clamping and milling in the traditional welding process is solved, one-time clamping, in-situ milling and welding are achieved, and the problem that the I-shaped flange is prone to displacement during welding is further solved; in addition, through a flange pressing mechanism and a pressing screw, the problem that a small-space automatic pressing structure is high in cost is solved, and the local pressing position of the scalloped segment can be adjusted.

Description

Technical Field

[0001] The invention relates to the technical field of welding, and in particular to a hydraulic in-situ milling and welding tool for an I-shaped flange. Background Art

[0002] In the prior art, the automatic welding method of the spherical bottom flange of a 5m-class tank is usually used to achieve the welding between the melon slice and the flange. Although this structure is suitable for the bottom of a large-diameter tank, and has low welding difficulty, low requirements for tooling and equipment, and high assembly quality and welding quality, it also has some limitations: First, this structure is only applicable to workpieces with standard-sized flange holes, and the size accuracy of the flange holes cannot be controlled, and it does not have the characteristics of in-situ milling and welding; secondly, the structure uses a melon slice pressure plate for overall compression, and has no adjustability for local compression, which limits its application under complex working conditions; in addition, the flange compression plate of this structure is pressed on the upper end of the flange, which is far away from the actual welding position, resulting in poor rigidity of the actual welding position, which may affect the welding quality and stability. Therefore, it is necessary to further improve and optimize the structure to improve its applicability and welding effect. Summary of the invention

[0003] In view of this, in order to solve the above problems, the object of the present invention is to provide an I-flange hydraulic in-situ milling and welding tool, comprising:

[0004] Base;

[0005] An I-shaped flange mold, the I-shaped flange mold is arranged on the base and connected to the base;

[0006] A hydraulic cylinder, the hydraulic cylinder is arranged on the base and connected to the I-shaped flange mold;

[0007] A support shaft, the support shaft is arranged on the base and is located in the I-shaped flange mold;

[0008] A guide shaft, wherein the guide shaft is arranged on the base, and the base and the I-shaped flange mold are both connected to the guide shaft;

[0009] Flange clamping mechanisms, a plurality of flange clamping mechanisms are arranged at the upper end of the I-shaped flange mold and are arranged around the support shaft;

[0010] A flange supports the mandrel, and the flange supports the mandrel, which is arranged on the support shaft and connected to the support shaft.

[0011] In another preferred embodiment, it also includes: a clamping ear seat and a clamping pad, the clamping ear seat is arranged on the I-flange mold and connected to the I-flange mold, the clamping pad is arranged on the I-flange mold and connected to the I-flange mold, and the clamping pad is arranged around the support shaft.

[0012] In another preferred embodiment, it further comprises: a pressing plate, wherein the pressing plate is disposed on the pressing ear seat and connected to the pressing ear seat.

[0013] In another preferred embodiment, it further comprises: a welding pad, wherein the welding pad is disposed on the support shaft and connected to the support shaft.

[0014] In another preferred embodiment, it also includes: an I-shaped flange clamping cap and a locking nut, wherein the I-shaped flange clamping cap and the locking nut are both sleeved on the periphery of the flange support core shaft and connected to the flange support core shaft, and the locking nut is arranged at the upper end of the I-shaped flange clamping cap and abuts against the I-shaped flange clamping cap.

[0015] In another preferred embodiment, it further comprises: a clamping screw, wherein the clamping screw is arranged on the clamping plate, and one end of the clamping screw passes through the clamping plate.

[0016] In another preferred embodiment, the flange clamping mechanism includes: a pressing plate, a fixing block and a cylindrical pin, the pressing plate and the fixing block are connected via the cylindrical pin, and the fixing block is installed on the upper end of the clamping pad.

[0017] In another preferred embodiment, a plurality of the clamping screws are arranged in a ring shape, and each of the clamping screws cooperates with a pressure plate.

[0018] In another preferred embodiment, a mounting groove is provided in the middle of the clamping plate, the mounting groove is circular, the clamping screw is provided on the outer side of the mounting groove, and the flange support core shaft, the I-flange clamping cap and the locking nut are all provided in the mounting groove.

[0019] Due to the adoption of the above technical scheme, the present invention has the following positive effects compared with the prior art: through the application of the present invention, a hydraulic in-situ milling and welding tool for I-flanges is proposed, which solves the problem that the welding position cannot be guaranteed after multiple clamping and milling in the traditional welding process, realizes one-time clamping, in-situ milling and welding, and significantly improves the welding quality and efficiency. Through the application of the I-flange clamping cap and the locking nut, the problem that the I-flange is prone to displacement during welding due to its small mass is also solved, the rigidity of the welding position is enhanced, and the welding quality is ensured; in addition, through the flange clamping mechanism and the clamping screw, not only the high cost problem of the automatic clamping structure in a small space is solved, but also the local clamping position of the melon slice can be adjusted, ensuring the realization of the tooling function while having a simple structure and high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is a structural schematic diagram of a hydraulic in-situ milling and welding tool for an I-shaped flange of the present invention;

[0021] Figure 2 The present invention is a schematic structural diagram of a flange clamping mechanism of an I-flange hydraulic in-situ milling and welding tool.

[0022] In the attached figure:

[0023] 1. Base; 2. I-shaped flange mold; 3. Hydraulic cylinder; 4. Support shaft; 5. Guide shaft; 6. Flange clamping mechanism; 7. Flange supporting mandrel; 8. Clamping ear seat; 9. Clamping pad; 10. Clamping plate; 11. Welding pad; 12. I-shaped flange clamping cap; 13. Locking nut; 14. Clamping screw; 601. Pressing plate; 602. Fixing block; 603. Cylindrical pin. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] In the description of the present invention, it is necessary to understand that the orientation or position relationship indicated by the terms such as "upper", "lower", "left", "right", "inside", "outside", "front", "back", "lateral" and "vertical" is based on the orientation or position relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention, rather than indicating or implying that the device or original referred to must have a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] It should be specially explained that the “horizontal” and “vertical” in the present invention are used to illustrate the approximate positional relationship, rather than a strict “horizontal plane” or “vertical plane”.

[0027] like Figure 1 and Figure 2 As shown, a preferred embodiment of an I-shaped flange hydraulic in-situ milling and welding tool is shown, comprising:

[0028] Base 1;

[0029] An I-shaped flange mold 2, which is disposed on the base 1 and connected to the base 1;

[0030] A hydraulic cylinder 3 is disposed on the base 1 and connected to the I-shaped flange mold 2. The hydraulic cylinder 3 can drive the I-shaped flange mold 2 to move up and down;

[0031] A support shaft 4, which is disposed on the base 1 and is located in the I-shaped flange mold 2;

[0032] A guide shaft 5 is provided on the base 1. The base 1 and the I-shaped flange mold 2 are both connected to the guide shaft 5. The guide shaft 5 can provide a guide for the movement of the hydraulic cylinder 3.

[0033] Flange clamping mechanisms 6, a plurality of flange clamping mechanisms 6 are arranged at the upper end of the I-shaped flange mold 2 and are arranged around the support shaft 4, and the flange clamping mechanisms 6 are used to fix the melon slices on the I-shaped flange mold;

[0034] The flange supports the mandrel 7 , and the flange supports the mandrel 7 is arranged on the support shaft 4 and connected to the support shaft 4 .

[0035] Further, as a preferred embodiment, a support hole is set on the I-shaped flange mold 2, and both ends of the support shaft 4 pass through the support hole. The lower end of the support shaft 4 is connected to the base 1, and the upper end of the support shaft 4 is connected to the flange support core shaft 7.

[0036] Further, as a preferred embodiment, a plurality of guide grooves are provided in the I-shaped flange mold, and each guide groove is provided with a guide shaft 5. Further, when the I-shaped flange mold 2 moves up and down under the action of the hydraulic cylinder 3, the guide shaft 5 can provide a guiding function to prevent the I-shaped flange mold 2 from moving left and right or shaking.

[0037] Furthermore, as a preferred embodiment, it also includes: a clamping ear seat 8 and a clamping pad 9, the clamping ear seat 8 is arranged on the I-flange mold 2 and connected to the I-flange mold 2, the clamping pad 9 is arranged on the I-flange mold 2 and connected to the I-flange mold 2, and the clamping pad 9 is arranged around the support shaft 4.

[0038] Further, as a preferred embodiment, the horizontal cross-section of the pressing pad 9 is in the shape of a circular ring, and the pressing pad 9 is arranged on the outer periphery of the supporting shaft 4 .

[0039] Furthermore, as a preferred embodiment, it also includes: a clamping plate 10, which is arranged on the clamping ear seat 8 and connected to the clamping ear seat 8.

[0040] Furthermore, as a preferred embodiment, it also includes: a welding pad 11, which is arranged on the support shaft 4 and connected to the support shaft 4.

[0041] Further, as a preferred embodiment, the horizontal cross-section of the welding pad 11 is circular, the outer edge of the welding pad 11 is in contact with the pressing pad 9, and the support shaft 4 is arranged on the inner periphery of the welding pad 11 and connected to the welding pad 9.

[0042] Furthermore, as a preferred embodiment, it also includes: an I-shaped flange clamping cap 12 and a locking nut 13, both of which are sleeved on the periphery of the flange support core shaft 7 and connected to the flange support core shaft 7, and the locking nut 13 is arranged at the upper end of the I-shaped flange clamping cap 12 and is against the I-shaped flange clamping cap 12.

[0043] Furthermore, as a preferred embodiment, a peripheral thread is provided on the flange support core shaft 7, and a locking nut 13 is sleeved on the peripheral thread. By rotating the locking nut 13, the I-shaped flange clamping cap 12 can move up and down on the flange support core shaft 7, thereby controlling the degree of clamping of the I-shaped flange of the workpiece by the I-shaped flange clamping cap.

[0044] Furthermore, as a preferred embodiment, it also includes: a clamping screw 14 , which is disposed on the clamping plate 10 , and one end of the clamping screw 14 passes through the clamping plate 10 .

[0045] Further, as a preferred embodiment, the flange clamping mechanism 6 comprises: a pressing plate 601, a fixing block 602 and a cylindrical pin 603, the pressing plate 601 and the fixing block 602 are connected by the cylindrical pin 603, and the fixing block 602 is installed on the upper end of the clamping pad 9. Further, the pressing plate 601 is used to clamp the melon slices of the workpiece.

[0046] Further, as a preferred embodiment, a rotation hole is provided through the pressure plate 601 and the fixed block 602 , and the cylindrical pin 603 passes through the rotation hole. The lower end of the fixed block 602 is fixed on the clamping pad 9 , and the pressure plate 601 can rotate around the cylindrical pin 603 .

[0047] Furthermore, as a preferred embodiment, a plurality of clamping screws 14 are arranged in a ring shape, and each clamping screw 14 cooperates with a pressure plate 601. The clamping screws 14 can make the pressure plate 14 rotate around the cylindrical pin 603, thereby controlling the degree of compression of the melon slices.

[0048] Furthermore, as a preferred embodiment, a plurality of pressing plates 601 are used to press the melon slices, and the degree of pressing of each pressing plate 601 on the melon slices can be adjusted individually.

[0049] Further, as a preferred embodiment, a mounting groove is provided in the middle of the clamping plate 10, the mounting groove is circular, the clamping screw 14 is provided on the outer side of the mounting groove, and the flange support core shaft 7, the I-flange clamping cap 12 and the locking nut 13 are all provided in the mounting groove.

[0050] (1) Furthermore, as a preferred embodiment, protective blocks are provided at the contact position between the I-flange clamping cap 12 and the I-flange and at the contact position between the pressure plate 601 and the melon slices, so as to solve the problem of workpiece damage occurring during the process of installing and tightening the workpiece and ensure the integrity of the workpiece.

[0051] Further, as a preferred embodiment, when processing the workpiece, first set the melon slices of the workpiece on the clamping pad 9, set the I-shaped flange of the workpiece on the welding pad 11, tighten the clamping screw 14 so that the pressure plate 601 rotates around the cylindrical pin 603 to clamp the melon slices, and fix the melon slices on the clamping pad 9, tighten the locking nut 13 so that the I-shaped flange clamping cap 12 clamps the I-shaped flange, and fix the I-shaped flange on the welding pad 11, then adjust the hydraulic cylinder 3 to drive the I-shaped flange mold 2 to move upward, and the melon slices will move upward with the movement of the I-shaped flange mold 2. After the melon slices rise to the preset position, the melon slices are processed. After the processing is completed, adjust the hydraulic cylinder 3 to make the melon slices move downward. When the melon slices drop to the preset position, the melon slices and the I-shaped flange are welded.

[0052] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulic in-situ milling and welding tool for an I-shaped flange, characterized in that: include: Base; An I-shaped flange mold, the I-shaped flange mold is arranged on the base and connected to the base; A hydraulic cylinder, the hydraulic cylinder is arranged on the base and connected to the I-shaped flange mold; A support shaft, the support shaft is arranged on the base and is located in the I-shaped flange mold; A guide shaft, wherein the guide shaft is arranged on the base, and the base and the I-shaped flange mold are both connected to the guide shaft; Flange clamping mechanisms, a plurality of flange clamping mechanisms are arranged at the upper end of the I-shaped flange mold and are arranged around the support shaft; A flange supports the mandrel, and the flange supports the mandrel, which is arranged on the support shaft and connected to the support shaft.

2. The hydraulic in-situ milling and welding tool for I-flange according to claim 1 is characterized in that: Also includes: A clamping ear seat and a clamping pad, wherein the clamping ear seat is arranged on the I-flange mold and connected to the I-flange mold, the clamping pad is arranged on the I-flange mold and connected to the I-flange mold, and the clamping pad is arranged around the support shaft.

3. The hydraulic in-situ milling and welding tool for I-flange according to claim 2 is characterized in that: Also includes: A clamping plate is arranged on the clamping ear seat and connected to the clamping ear seat.

4. The hydraulic in-situ milling and welding tool for I-flange according to claim 1 is characterized in that: Also includes: A welding pad is disposed on the support shaft and connected to the support shaft.

5. The hydraulic in-situ milling and welding tool for I-flange according to claim 3 is characterized in that: Also includes: An I-shaped flange clamping cap and a locking nut, wherein the I-shaped flange clamping cap and the locking nut are both sleeved on the periphery of the flange support core shaft and connected to the flange support core shaft, and the locking nut is arranged at the upper end of the I-shaped flange clamping cap and abuts against the I-shaped flange clamping cap.

6. The hydraulic in-situ milling and welding tool for I-flange according to claim 5 is characterized in that: Also includes: A clamping screw is arranged on the clamping plate, and one end of the clamping screw passes through the clamping plate.

7. The hydraulic in-situ milling and welding tool for I-flange according to claim 6 is characterized in that: The flange clamping mechanism comprises: a pressing plate, a fixing block and a cylindrical pin. The pressing plate and the fixing block are connected via the cylindrical pin, and the fixing block is mounted on the upper end of the clamping pad.

8. The hydraulic in-situ milling and welding tool for I-flange according to claim 7 is characterized in that: The plurality of clamping screws are arranged in a circular shape, and each of the clamping screws is matched with a clamping plate.

9. The hydraulic in-situ milling and welding tool for I-flange according to claim 7, characterized in that: A mounting groove is arranged in the middle of the clamping plate, the mounting groove is arranged in a circular shape, the clamping screw is arranged on the outer side of the mounting groove, and the flange support core shaft, the I-flange clamping cap and the locking nut are all arranged in the mounting groove.

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