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

Abstract

The utility model 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 is 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 in the welding process 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] This utility model relates to the field of welding technology, and in particular to a hydraulic in-situ milling welding fixture for I-beam flanges. Background Technology

[0002] In existing technologies, an automatic welding method for the spherical bottom flange of a 5m-class storage tank is typically used to weld the segments to the flange. While this structure is suitable for large-diameter storage tank bottoms, and offers advantages such as low welding difficulty, minimal requirements for tooling and equipment, and high assembly and welding quality, it also has some limitations: First, this structure is only suitable for workpieces with standard-sized flange holes, and the size accuracy of the flange holes is uncontrollable, lacking the in-situ milling and welding capabilities; second, the structure uses segment-shaped clamping plates for overall clamping, lacking adjustability for local clamping, limiting its application in complex working conditions; furthermore, the flange clamping plate presses against the upper end of the flange, which is far from the actual welding position, resulting in poor rigidity at the actual welding position, potentially affecting welding quality and stability. Therefore, further improvement and optimization of this structure are needed to enhance its applicability and welding effectiveness. Utility Model Content

[0003] In view of this, and to solve the above problems, the purpose of this utility model is to provide a hydraulic in-situ milling and welding fixture for I-beam flanges, comprising:

[0004] Base;

[0005] An I-beam flange mold, wherein the I-beam flange mold is disposed on the base and connected to the base;

[0006] A hydraulic cylinder, which is mounted on the base and connected to the I-beam flange mold;

[0007] A support shaft is disposed on the base and located inside the I-beam flange mold.

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

[0009] A flange clamping mechanism, wherein several of the flange clamping mechanisms are disposed at the upper end of the I-beam flange mold and arranged around the support shaft;

[0010] A flange support mandrel is disposed on and connected to the support shaft.

[0011] In another preferred embodiment, it further includes: a clamping lug and a clamping pad, the clamping lug being disposed on and connected to the I-beam flange mold, the clamping pad being disposed on and connected to the I-beam flange mold, and the clamping pad being arranged around the support shaft.

[0012] In another preferred embodiment, it further includes a clamping plate, which is disposed on the clamping lug and connected to the clamping lug.

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

[0014] In another preferred embodiment, it further includes: an I-beam flange compression cap and a locking nut, wherein the I-beam flange compression cap and the locking nut are both sleeved around the flange support mandrel and connected to the flange support mandrel, and the locking nut is disposed at the upper end of the I-beam flange compression cap and abuts against the I-beam flange compression cap.

[0015] In another preferred embodiment, it further includes a clamping screw disposed on the clamping plate, one end of the clamping screw passing through the clamping plate.

[0016] In another preferred embodiment, the flange clamping mechanism includes a pressure plate, a fixing block, and a cylindrical pin, wherein the pressure plate and the fixing block are connected by 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, and each clamping screw cooperates with a pressure plate.

[0018] In another preferred embodiment, the clamping plate has a mounting groove in the middle, the mounting groove is circular, the clamping screw is disposed on the outside of the mounting groove, and the flange support mandrel, the I-beam flange clamping cap and the locking nut are all disposed in the mounting groove.

[0019] The present invention, by adopting the above-mentioned technical solution, has the following positive effects compared with the prior art: By applying the present invention, a hydraulic in-situ milling and welding fixture for I-beam flanges is proposed, which solves the problem that the welding position cannot be guaranteed after multiple clamping and milling in the traditional welding process. It realizes clamping, in-situ milling and welding in one go, which significantly improves the welding quality and efficiency. The application of the I-beam flange clamping cap and locking nut also solves the problem that the I-beam flange is prone to displacement during welding due to its small mass, which enhances the rigidity of the welding position and ensures the welding quality. In addition, the flange clamping mechanism and clamping screw not only solve the problem of high cost of automatic clamping structure in small space, but also allow for adjustment of the local clamping position of the melon petals, ensuring the realization of the fixture function while maintaining a simple structure and high reliability. Attached Figure Description

[0020] Figure 1This is a schematic diagram of the structure of a hydraulic in-situ milling and welding fixture for an I-beam flange according to the present invention;

[0021] Figure 2 This is a schematic diagram of the flange clamping mechanism of a hydraulic in-situ milling and welding fixture for I-beam flanges according to this utility model.

[0022] In the attached image:

[0023] 1. Base; 2. I-beam flange mold; 3. Hydraulic cylinder; 4. Support shaft; 5. Guide shaft; 6. Flange clamping mechanism; 7. Flange support mandrel; 8. Clamping lug; 9. Clamping pad; 10. Clamping plate; 11. Welding pad; 12. I-beam flange clamping cap; 13. Locking nut; 14. Clamping screw; 601. Pressure plate; 602. Fixing block; 603. Cylindrical pin. Detailed Implementation

[0024] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front", "back", "horizontal", and "vertical" are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0026] It should be noted that the terms "horizontal" and "vertical" in this utility model are used to describe approximate positional relationships, and not strictly "horizontal plane" or "vertical plane".

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

[0028] Base 1;

[0029] I-beam flange mold 2, which is mounted on base 1 and connected to base 1;

[0030] Hydraulic cylinder 3 is mounted on base 1 and connected to I-beam flange mold 2. Hydraulic cylinder 3 can drive I-beam flange mold 2 to move up and down.

[0031] Support shaft 4 is mounted on base 1 and located inside I-beam flange mold 2;

[0032] Guide shaft 5 is mounted on base 1. Base 1 and I-beam flange mold 2 are both connected to guide shaft 5. Guide shaft 5 can provide guidance for the movement of hydraulic cylinder 3.

[0033] A flange clamping mechanism 6, several flange clamping mechanisms 6 are arranged at the upper end of the I-beam flange mold 2 and around the support shaft 4. The flange clamping mechanism 6 is used to fix the melon petals to the I-beam flange mold.

[0034] Flange support mandrel 7 is mounted on support shaft 4 and connected to support shaft 4.

[0035] Furthermore, as a preferred embodiment, the I-beam flange mold 2 is provided with a through support hole, 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 mandrel 7.

[0036] Furthermore, as a preferred embodiment, the I-beam flange mold 2 is provided with several guide grooves, and each guide groove is provided with a guide shaft 5. Furthermore, when the I-beam flange mold 2 moves up and down under the action of the hydraulic cylinder 3, the guide shaft 5 provides a guiding function to prevent the I-beam flange mold 2 from moving left and right or swaying.

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

[0038] Furthermore, as a preferred embodiment, the horizontal cross-section of the clamping pad 9 is annular, and the clamping pad 9 is disposed on the outer periphery of the support shaft 4.

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

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

[0041] Furthermore, as a preferred embodiment, the horizontal cross-section of the welding pad 11 is annular, the outer edge of the welding pad 11 contacts the pressing pad 9, and the support shaft 4 is disposed 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-beam flange compression cap 12 and a locking nut 13. The I-beam flange compression cap 12 and the locking nut 13 are both sleeved on the periphery of the flange support mandrel 7 and connected to the flange support mandrel 7. The locking nut 13 is disposed at the upper end of the I-beam flange compression cap 12 and abuts against the I-beam flange compression cap 12.

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

[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] Furthermore, in a preferred embodiment, the flange clamping mechanism 6 includes: a pressure plate 601, a fixing block 602, and a cylindrical pin 603. The pressure 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 pressure plate 601 is used to clamp the petals of the workpiece.

[0046] Furthermore, in a preferred embodiment, a rotating hole is provided through the pressure plate 601 and the fixing block 602, the cylindrical pin 603 passes through the rotating hole, the lower end of the fixing block 602 is fixed on the pressure 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, and each clamping screw 14 cooperates with a pressure plate 601. The pressure plate 14 can be rotated around the cylindrical pin 603 by clamping screws 14, thereby controlling the degree of clamping of the melon petals.

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

[0049] Furthermore, as a preferred embodiment, the clamping plate 10 has a mounting groove in the middle, the mounting groove is circular, the clamping screw 14 is disposed on the outside of the mounting groove, and the flange support mandrel 7, the I-beam flange clamping cap 12 and the locking nut 13 are all disposed in the mounting groove.

[0050] (1) Further, as a preferred embodiment, protective blocks are provided at the contact position between the I-beam flange clamping cap 12 and the I-beam flange, and at the contact position between the pressure plate 601 and the melon petal, in order to solve the problem of workpiece damage during the installation and tightening of the workpiece and ensure the integrity of the workpiece.

[0051] Furthermore, as a preferred embodiment, when processing the workpiece, firstly, the petals of the workpiece are placed on the clamping pad 9, and the I-beam flange of the workpiece is placed on the welding pad 11. By tightening the clamping screw 14, the pressure plate 601 rotates around the cylindrical pin 603 to clamp the petals, thus fixing the petals on the clamping pad 9. By tightening the locking nut 13, the I-beam flange clamping cap 12 clamps the I-beam flange, thus fixing the I-beam flange on the welding pad 11. Then, the hydraulic cylinder 3 is adjusted to drive the I-beam flange mold 2 to move upward. The petals will move upward with the movement of the I-beam flange mold 2. After the petals rise to the preset position, the petals are processed. After processing, the hydraulic cylinder 3 is adjusted to make the petals move downward. When the petals fall to the preset position, the petals are welded to the I-beam flange.

[0052] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A hydraulic in-situ milling and welding fixture for I-beam flanges, characterized in that, include: Base; An I-beam flange mold, wherein the I-beam flange mold is disposed on the base and connected to the base; A hydraulic cylinder, which is mounted on the base and connected to the I-beam flange mold; A support shaft is disposed on the base and located inside the I-beam flange mold. A guide shaft is provided on the base, and both the base and the I-beam flange mold are connected to the guide shaft; A flange clamping mechanism, wherein several of the flange clamping mechanisms are disposed at the upper end of the I-beam flange mold and arranged around the support shaft; A flange support mandrel is disposed on and connected to the support shaft.

2. The hydraulic in-situ milling and welding fixture for I-beam flanges according to claim 1, characterized in that, Also includes: A clamping lug and a clamping pad are provided. The clamping lug is disposed on and connected to the I-beam flange mold, and the clamping pad is disposed on and connected to the I-beam flange mold. The clamping pad is arranged around the support shaft.

3. The hydraulic in-situ milling and welding fixture for I-beam flanges according to claim 2, characterized in that, Also includes: A clamping plate is disposed on and connected to the clamping lug.

4. The hydraulic in-situ milling and welding fixture for I-beam flanges according to claim 1, 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 fixture for I-beam flanges according to claim 3, characterized in that, Also includes: The I-beam flange compression cap and the locking nut are both sleeved around the flange support mandrel and connected to the flange support mandrel. The locking nut is located at the upper end of the I-beam flange compression cap and abuts against the I-beam flange compression cap.

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

7. The hydraulic in-situ milling and welding fixture for I-beam flanges according to claim 6, characterized in that, The flange clamping mechanism includes a pressure plate, a fixing block, and a cylindrical pin. The pressure plate and the fixing block are connected by the cylindrical pin, and the fixing block is installed on the upper end of the clamping pad.

8. The hydraulic in-situ milling and welding fixture for I-beam flanges according to claim 7, characterized in that, The clamping screws are arranged in a ring, and each clamping screw is engaged with a pressure plate.

9. The hydraulic in-situ milling and welding fixture for I-beam flanges according to claim 7, characterized in that, The clamping plate has a mounting groove in the middle, which is circular. The clamping screw is located on the outside of the mounting groove. The flange support mandrel, the I-beam flange clamping cap, and the locking nut are all located in the mounting groove.

Images