Cylinder segment end face welding shaping device

Abstract

The application provides a cylinder segment end face welding shape maintaining device, which comprises a front welding face shape maintaining module, a lower layer cylinder segment shape maintaining module, an upper layer cylinder segment shape maintaining module, a welding face clamp and a welding operation table; the front end shape maintaining device, the rear end shape maintaining device and the welding operation table are arranged on the workbench, the two ends of a cylinder segment to be welded are clamped through the front end shape maintaining device and the rear end shape maintaining device respectively, and the welding operation table is arranged at a position close to the front end shape maintaining device; the front welding face shape maintaining module, the lower layer cylinder segment shape maintaining module, the upper layer cylinder segment shape maintaining module and the welding face clamp are matched, the clamping point is designed, and the clamping force and the clamping amplitude are controlled, so that the shape maintaining and stress releasing during welding are accurately controlled, the welding quality of the large-size cylinder is improved, and finally the welding of the cylinder segment assembly is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of shape retention and welding of cylinder segments, in particular to a cylinder segment end face welding shape retention device. In particular, it relates to a large-span cylinder segment end face welding shape retention device. BACKGROUND

[0002] Industrial cylindrical devices are large in size and weight, and need to be fixed and supported by a shape retention device before cutting, welding and other operations. Patent document CN105451930A discloses a support device for cylindrical container manufacturing, and patent document CN206500834U discloses a cylinder welding robot. Most existing welding methods are for single roller rotation welding or straight seam welding conditions, and lack design schemes for cylinder segment assembly welding. SUMMARY

[0003] In view of the defects in the prior art, the purpose of the present application is to provide a cylinder segment end face welding shape retention device.

[0004] According to the cylinder segment end face welding shape retention device provided by the present application, the front welding face shape retention module, the lower layer cylinder segment shape retention module, the upper layer cylinder segment shape retention module, the welding face clamp and the welding operation table are provided.

[0005] The front end shape retention device, the rear end shape retention device and the welding operation table are arranged on the workbench, and the two ends of the cylinder segment to be welded are clamped by the front end shape retention device and the rear end shape retention device, respectively, and the welding operation table is arranged close to the front end shape retention device.

[0006] The front end shape retention device comprises a front welding face shape retention module and a welding face clamp.

[0007] The front welding face shape retention module and the welding face clamp are installed on the workbench, and the front welding face shape retention module is located at the middle position of the lower end of the welding face clamp.

[0008] The rear end shape retention device comprises a lower layer cylinder segment shape retention module and an upper layer cylinder segment shape retention module.

[0009] The lower layer cylinder segment shape retention module and the upper layer cylinder segment shape retention module are installed on the workbench, and the lower layer cylinder segment shape retention module is located on the inner side of the lower end of the upper layer cylinder segment shape retention module.

[0010] Preferably, the front welding face shape retention module comprises a front welding face shape retention module clamp, a front welding face shape retention module moving slide rail and a front welding face shape retention module bottom lifting platform.

[0011] The front welding surface shaping module bottom lifting platform is installed on the workbench, and a front welding surface shaping module moving slide rail is arranged at the upper end of the front welding surface shaping module bottom lifting platform.

[0012] During the shaping operation, a plurality of front welding surface shaping modules are arranged along the periphery of the lower cylinder segment front welding surface on the workbench. Before being installed on the workbench, the bottom lifting platform of each front welding surface shaping module is adjusted to a required height, so that sufficient clearance is left in the vertical direction, and then the welding surface shaping clamp is adjusted so that sufficient clearance is left in the thickness direction of the lower cylinder segment welding surface, and the position of the welding surface shaping clamp does not exceed the two ends of the front welding surface shaping module moving slide rail. After the lower cylinder segment is installed on the workbench, the height of the bottom lifting platform of each front welding surface shaping module is adjusted, so that the upper edge of the welding surface shaping clamp is higher than the lower edge of the front welding surface of the lower cylinder segment, and then the welding surface shaping clamp is adjusted so that it tightly clamps the front welding surface of the lower cylinder segment, and the front welding surface shaping is completed.

[0013] Preferably, the lower cylinder segment shaping module comprises a lower shaping roller frame support seat and a lower shaping roller frame.

[0014] The lower shaping roller frame support seat is installed on the workbench, the lower shaping roller frame is installed on the lower shaping roller frame support seat, and rollers are arranged on the lower shaping roller frame.

[0015] Preferably, the upper cylinder segment shaping module comprises a lower shaping frame support column, a lower shaping support frame, an upper shaping support frame and an upper shaping roller frame.

[0016] The lower shaping frame support column is installed on the workbench, the lower shaping support frame is installed on the lower shaping frame support column, the upper shaping support frame and the upper shaping roller frame are installed on the lower shaping support frame, and the upper shaping roller frame is located at the inner side of the bottom of the upper shaping support frame.

[0017] Preferably, the shape of the side of the lower shaping support frame facing the workbench is matched with the shape of the cylinder segment, the shape of the side of the upper shaping support frame facing the workbench is matched with the shape of the cylinder segment, and rollers are arranged on the upper shaping roller frame.

[0018] Preferably, the welding surface clamp comprises a clamp frame and a rotary clamping support cylinder.

[0019] The clamp frame is installed on the workbench, the clamp frame is arranged in a square box structure, and a plurality of rotary clamping support cylinders extending inward are arranged on the periphery of the clamp frame.

[0020] Preferably, the welding operation platform comprises a front welding surface welding operation platform and a rear welding surface welding operation platform.

[0021] The front welding surface welding operation platform and the rear welding surface welding operation platform are located on both sides of the welding surface clamp, the front welding surface welding operation platform is movably placed on the horizontal ground, and the rear welding surface welding operation platform is installed on the workbench.

[0022] Preferably, the front welding surface welding operation platform comprises a front welding surface welding operation platform movable base, a front welding surface welding operation platform lifting platform and a front welding surface welding operation platform welding robot.

[0023] The front welding surface welding operation platform movable base is movably placed on the ground, and the front welding surface welding operation platform welding robot is installed on the front welding surface welding operation platform movable base through the welding surface welding operation platform lifting platform.

[0024] Preferably, the rear welding surface welding operation platform comprises a rear welding surface welding operation platform lifting platform and a rear welding surface welding operation platform welding robot.

[0025] The rear welding surface welding operation platform welding robot is installed on the workbench through the rear welding surface welding operation platform lifting platform.

[0026] Compared with the prior art, the present application has the following beneficial effects:

[0027] 1. The present application adopts the cooperation of the front welding surface shaping module, the lower layer cylinder segment shaping module, the upper layer cylinder segment shaping module and the welding surface clamp, precisely controls the shaping and stress release in the welding process by designing the clamping points and controlling the clamping force and clamping amplitude, improves the welding quality of the large-size cylinder, and finally realizes the welding of the cylinder segment assembly.

[0028] 2. The present application can simultaneously fix the upper layer cylinder segment and the lower layer cylinder segment. BRIEF DESCRIPTION OF DRAWINGS

[0029] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, made with reference to the accompanying drawings:

[0030] Figure 1 It is an overall structure schematic diagram of the cylinder segment end face welding shaping device;

[0031] Figure 2 It is a structure schematic diagram of the front welding surface shaping module;

[0032] Figure 3 It is a structure schematic diagram of the welding surface clamp;

[0033] Figure 4 It is a structure schematic diagram of the front welding surface welding operation platform;

[0034] Figure 5This is a schematic diagram of the welding operation table structure for the rear welding surface;

[0035] As shown in the figure:

[0036]

[0037] Detailed Implementation

[0038] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0039] Example 1

[0040] like Figure 1 As shown, this embodiment includes: a front welding surface shaping module 1, a lower cylindrical section shaping module 2, an upper cylindrical section shaping module 3, a welding surface fixture 4, and a welding operating table 5; a front shaping device, a rear shaping device, and a welding operating table 5 are provided on the operating table. The two ends of the cylindrical section to be welded are respectively clamped by the front shaping device and the rear shaping device. The welding operating table 5 is located near the front shaping device; the front shaping device includes: a front welding surface shaping module 1 and a welding surface fixture 4; the front welding surface shaping module 1 and the welding surface fixture 4 are installed on the operating table, with the front welding surface shaping module 1 located at the lower middle of the welding surface fixture 4; the rear shaping device includes: a lower cylindrical section shaping module 2 and an upper cylindrical section shaping module 3; the lower cylindrical section shaping module 2 and the upper cylindrical section shaping module 3 are installed on the operating table, with the lower cylindrical section shaping module 2 located inside the lower end of the upper cylindrical section shaping module 3.

[0041] like Figure 2 As shown, the front welding surface shaping module 1 includes: a front welding surface shaping module fixture 11, a front welding surface shaping module moving slide rail 12, and a front welding surface shaping module bottom lifting platform 13; the front welding surface shaping module bottom lifting platform 13 is installed on the workbench, and the front welding surface shaping module moving slide rail 12 is provided on the upper end of the front welding surface shaping module bottom lifting platform 13, and the front welding surface shaping module fixture 11 is slidably installed on the front welding surface shaping module moving slide rail 12.

[0042] The lower section shaping module 2 includes: a lower shaping roller frame support 21 and a lower shaping roller frame 22; the lower shaping roller frame support 21 is installed on the workbench, the lower shaping roller frame 22 is installed on the lower shaping roller frame support 21, and rollers are provided on the lower shaping roller frame 22.

[0043] The upper layer cylinder segment shaping module 3 comprises a lower shaping frame support 31, a lower shaping support frame 32, an upper shaping support frame 33 and an upper shaping roller frame 34; the lower shaping frame support 31 is installed on the workbench, the lower shaping support frame 32 is installed on the lower shaping frame support 31, the upper shaping support frame 33 and the upper shaping roller frame 34 are installed on the lower shaping support frame 32, and the upper shaping roller frame 34 is located at the inner side position of the bottom of the upper shaping support frame 33. The shape of the side of the lower shaping support frame 32 facing the workbench is matched with the shape of the cylinder segment, the shape of the side of the upper shaping support frame 33 facing the workbench is matched with the shape of the cylinder segment, and the upper shaping roller frame 34 is provided with rollers.

[0044] As shown in Figure 3 The welding surface clamp 4 comprises a clamp frame 41 and a rotary clamping support cylinder 42; the clamp frame 41 is installed on the workbench, the clamp frame 41 is provided in a square box structure, and a plurality of rotary clamping support cylinders 42 extending inward are distributed around the clamp frame 41. Since the upper and lower cylinder segment front welding surfaces are assembled together, relative movement is prone to occur during the welding operation. Before the welding operation is performed, the left and right welding surface clamps 4 are clamped on the periphery of the upper and lower cylinder segment front welding surfaces, cooperate with the lower layer cylinder segment shaping module 2 and the lower layer cylinder segment shaping module 3, and maintain the stability of the position of the upper and lower cylinder segments during the welding process.

[0045] As shown in Figures 4-5 The welding operation platform 5 comprises a front welding surface welding operation platform 51 and a rear welding surface welding operation platform 52; the front welding surface welding operation platform 51 and the rear welding surface welding operation platform 52 are located on both sides of the welding surface clamp 4, the front welding surface welding operation platform 51 is movably placed on the horizontal ground, and the rear welding surface welding operation platform 52 is installed on the workbench. The front welding surface welding operation platform 51 comprises a front welding surface welding operation platform movable base 5101, a front welding surface welding operation platform lifting platform 5102 and a front welding surface welding operation platform welding robot 5103; the front welding surface welding operation platform movable base 5101 is movably placed on the ground, and the front welding surface welding operation platform welding robot 5103 is installed on the front welding surface welding operation platform movable base 5101 through the welding surface welding operation platform lifting platform 5102. The rear welding surface welding operation platform 52 comprises a rear welding surface welding operation platform lifting platform 5201 and a rear welding surface welding operation platform welding robot 5202; the rear welding surface welding operation platform welding robot 5202 is installed on the workbench through the rear welding surface welding operation platform lifting platform 5201. In actual work, there is no any obstruction on the side of the front welding surface, and the front welding surface welding operation platform 51 can be movably placed on the horizontal ground. On the other side of the front welding surface, the upper and lower layer cylinder segments are placed in parallel, there is no other connecting component between the left and right cylinder segments of each layer, the gap size is greater than the vertical cross-sectional size of the rear welding surface welding operation platform lifting platform 5201, and the rear welding surface welding operation platform 52 can be lifted and installed on the workbench by the overhead crane.

[0046] In an embodiment, the lower profile roller frame 22 is installed with roller supports on both sides of the base, and the roller supports are installed with rollers. The left and right roller supports are connected together through two opposite ball screws inside the base, and the rotation of the screw drives the roller frame to move closer or further apart, thereby adjusting and clamping. The structure of the upper profile roller frame 34 is consistent with that of the lower profile roller frame 22.

[0047] Working principle:

[0048] When performing the profile work, first install the front welding surface profile module 1 along the circumference of the lower cylinder segment front welding surface to the workbench, adjust the front welding surface profile module bottom lifting platform 13 and the front welding surface profile module clamp 11 to clamp the lower cylinder segment front welding surface. Then install the lower cylinder segment profile module 2 and the upper cylinder segment profile module 3 on the side away from the welding surface, adjust the position of the rollers on the lower profile roller frame 22 and the upper profile roller frame 34 to achieve the profile of the upper and lower cylinder segments away from the welding surface. Then install the welding surface clamp 4 to the circumference of the cylinder segment front welding surface, and simultaneously clamp the circumference of the upper and lower cylinder segment front welding surfaces through multiple inward telescopic rotary clamping support cylinders 42 to prevent relative movement between the upper and lower cylinder segment welding surfaces. After the above operations are completed, pull the front welding surface welding operation platform 51 to the designated position and fix it, and pull the rear welding surface welding operation platform 52 to the designated position on the workbench through the crown block and fix it, and then the welding work can be carried out.

[0049] Example 2

[0050] Example 2 is a preferred example of Example 1.

[0051] As shown in Figures 1-5 , the present embodiment includes: a front welding surface profile module 1, a lower cylinder segment profile module 2, an upper cylinder segment profile module 3, a welding surface clamp 4, and a welding operation platform 5; the front welding surface profile module 1 is distributed and installed at both ends and the center of the bottom of the cylinder segment welding surface, the upper front welding surface profile module clamp 11 is used to clamp the cylinder segment front welding surface, and the lower front welding surface profile module bottom lifting platform 13 is fixedly connected to the workbench; the lower cylinder segment profile module 2 is installed at the end of the lower cylinder segment away from the front welding surface, and is mainly used to support and fix the lower cylinder segment cylinder arm; the upper cylinder segment profile module 3 is installed directly above the lower cylinder segment profile module 2 and the lower cylinder segment, and is used to support and fix the upper cylinder segment cylinder arm; the welding surface clamp 4 is installed on both sides of one end of the workbench, and is used to clamp and fix the cylinder segment welding surface during welding; the welding operation platform 5 acts on the front and rear welding surfaces of the cylinder segment, and is hoisted to the designated position to perform the welding operation after the profile is completed.

[0052] The front welding surface shaping module 1 comprises a front welding surface shaping module clamp 11, a front welding surface shaping module moving slide rail 12, and a front welding surface shaping module bottom lifting platform 13. The front welding surface shaping module clamp 11 is installed above the front welding surface shaping module moving slide rail 12 and can freely move on the front welding surface shaping module slide rail 12. The front welding surface shaping module slide rail 12 is installed on the front welding surface shaping module bottom lifting platform 13. The bottom of the front welding surface shaping module lifting platform 13 is fixed on the workbench. The front welding surface shaping module lifting platform 13 drives the front welding surface shaping module slide rail 12 and the front welding surface shaping module clamp 11 to move up and down.

[0053] When performing shaping work, a plurality of front welding surface shaping modules 1 are arranged along the circumference of the lower cylinder segment front welding surface on the workbench. Before installation on the workbench, the height of each front welding surface shaping module bottom lifting platform 13 is adjusted to the required height, leaving enough space in the vertical direction. Then, the front welding surface shaping module clamp 11 is adjusted to leave enough space in the thickness direction of the lower cylinder segment welding surface, and the ends of the front welding surface shaping module clamp 11 do not exceed the front welding surface shaping module moving slide rail 12. After installation on the workbench, the height of each front welding surface shaping module bottom lifting platform 13 is adjusted so that the upper edge of the front welding surface shaping module clamp 11 is higher than the lower edge of the lower cylinder segment front welding surface. Then, the front welding surface shaping module clamp 11 is adjusted to tightly clamp the lower cylinder segment front welding surface, completing the front welding surface shaping.

[0054] The lower cylinder segment shaping module 2 comprises a lower shaping roller frame support seat 21 and a lower shaping roller frame 22. The lower shaping roller frame 22 is installed on the lower shaping roller frame support seat 21. During work, the lower shaping roller frame 22 is locked and tightly attached to the cylinder segment assembly cylinder arm.

[0055] The upper cylinder segment shaping module 3 comprises a lower shaping frame support column 31, a lower shaping support frame 32, an upper shaping support frame 33, and an upper shaping roller frame 34. The lower shaping frame support column 31 is installed on the workbench. The lower shaping support frame 32 is installed on the lower shaping frame support column 31 to ensure that the inner arc surface of the lower shaping support frame 32 completely matches the outer wall of the lower double cylinder. The upper shaping roller frame 34 is installed on the lower shaping support frame 32. The angle of the wheel set of the upper shaping roller frame 34 is adjusted to completely clamp the outer wall of the layer double cylinder unit and lock the roller. The upper shaping support frame 33 is installed on the lower shaping support frame 32 to ensure that the inner arc surface of the upper shaping support frame 33 completely matches the outer wall of the upper cylinder segment.

[0056] The welding surface clamp 4 is symmetrically designed and installed on both sides of one end of the workbench. It comprises a clamp frame 41 and a rotating clamping support cylinder 42. The rotating clamping support cylinder 42 is distributed around the clamp frame 41 to fix the upper and lower cylinder segment welding surfaces.

[0057] The upper and lower cylinder segment front welding surfaces are assembled together, and relative movement is prone to occur during the welding operation. Before the welding operation is performed, the left and right side welding surface clamps 4 are clamped on the periphery of the upper and lower cylinder segment front welding surfaces, cooperate with the lower layer cylinder segment shaping module 2 and the lower layer cylinder segment shaping module 3, and maintain the stability of the position of the upper and lower cylinder segments during the welding process.

[0058] The welding operation table 5 includes a front welding surface welding operation table 51 and a rear welding surface welding operation table 52. The front welding surface welding operation table 51 includes a front welding surface welding operation table moving base 5101, a front welding surface welding operation table lifting platform 5102, and a front welding surface welding operation table welding robot 5103. The rear welding surface welding operation table 52 includes a rear welding surface welding operation table lifting platform 5201 and a rear welding surface welding operation table welding robot 5202. The front welding surface welding operation table 51 and the rear welding surface welding operation table 52 cooperate to complete the welding task according to the welding requirements.

[0059] The embodiment can realize the welding and shaping of cylinder segment assemblies of any size and any number by changing the design size, installation number, etc. of the used devices.

[0060] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0061] The specific embodiments of the present application have been described above. It should be understood that the present application is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essential content of the present application. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be arbitrarily combined with each other.

Claims

1. A device for welding and shaping the end face of a cylinder segment, characterized in that The application relates to a welding operation platform for a pipe machining device. The welding operation platform comprises a front welding surface shaping module (1), a lower layer pipe section shaping module (2), an upper layer pipe section shaping module (3), a welding surface clamp (4) and a welding operation table (5). The front end shaping device and the rear end shaping device are arranged on the workbench, and the two ends of the pipe section to be welded are clamped by the front end shaping device and the rear end shaping device respectively. The front end shaping device comprises the front welding surface shaping module (1) and the welding surface clamp (4). The front welding surface shaping module (1) and the welding surface clamp (4) are installed on the workbench, and the front welding surface shaping module (1) is located at the middle position of the lower end of the welding surface clamp (4). The rear end shaping device comprises the lower layer pipe section shaping module (2) and the upper layer pipe section shaping module (3). The lower layer pipe section shaping module (2) and the upper layer pipe section shaping module (3) are installed on the workbench, and the lower layer pipe section shaping module (2) is located at the inner side of the lower end of the upper layer pipe section shaping module (3). The front welding surface shaping module (1) comprises a front welding surface shaping module clamp (11), a front welding surface shaping module moving slide rail (12) and a front welding surface shaping module bottom lifting platform (13). The front welding surface shaping module bottom lifting platform (13) is installed on the workbench, the front welding surface shaping module moving slide rail (12) is arranged at the upper end of the front welding surface shaping module bottom lifting platform (13), and the front welding surface shaping module clamp (11) is slidably installed on the front welding surface shaping module moving slide rail (12). The lower layer pipe section shaping module (2) comprises a lower shaping roller frame support seat (21) and a lower shaping roller frame (22). The lower shaping roller frame support seat (21) is installed on the workbench, the lower shaping roller frame (22) is installed on the lower shaping roller frame support seat (21), and rollers are arranged on the lower shaping roller frame (22). The upper layer pipe section shaping module (3) comprises a lower shaping frame support column (31), a lower shaping support frame (32), an upper shaping support frame (33) and an upper shaping roller frame (34). The lower shaping frame support column (31) is installed on the workbench, the lower shaping support frame (32) is installed on the lower shaping frame support column (31), the upper shaping support frame (33) and the upper shaping roller frame (34) are installed on the lower shaping support frame (32), and the upper shaping roller frame (34) is located at the inner side of the bottom of the upper shaping support frame (33). The welding surface clamp (4) comprises a clamp frame (41) and a rotary clamping support cylinder (42). The clamp frame (41) is installed on the workbench, the clamp frame (41) is arranged in a square frame structure, and a plurality of rotary clamping support cylinders (42) are arranged on the periphery of the clamp frame (41) and extend inward.

2. The device of claim 1, wherein: The shape of the side of the lower shaping support frame (32) towards the workbench is matched with the shape of the pipe section, the shape of the side of the upper shaping support frame (33) towards the workbench is matched with the shape of the pipe section, and rollers are arranged on the upper shaping roller frame (34).

3. The device of claim 1, wherein: The welding operation platform (5) comprises a front welding surface welding operation platform (51) and a rear welding surface welding operation platform (52). The front welding surface welding operation platform (51) and the rear welding surface welding operation platform (52) are located on both sides of the welding surface clamp (4).

4. The device of claim 3, wherein the device further comprises a plurality of rollers positioned between the first and second end plates. The front welding surface welding operation platform (51) comprises a front welding surface welding operation platform moving base (5101), a front welding surface welding operation platform lifting platform (5102) and a front welding surface welding operation platform welding robot (5103). The front welding surface welding operation platform moving base (5101) is movably placed on the ground, and the front welding surface welding operation platform welding robot (5103) is installed on the front welding surface welding operation platform moving base (5101) through the welding surface welding operation platform lifting platform (5102).

5. The device of claim 3, wherein: The rear welding surface welding operation platform (52) comprises a rear welding surface welding operation platform lifting platform (5201) and a rear welding surface welding operation platform welding robot (5202). The rear welding surface welding operation platform welding robot (5202) is installed on the workbench through the rear welding surface welding operation platform lifting platform (5201).

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