Support and processing tool suitable for header welding

Abstract

The utility model discloses a support and processing frock suitable for set box welding belongs to container welding technical field. The utility model provides a support suitable for set box welding, and the support is semicircular support, and the semicircular support is equipped with the limiting slot for set box end portion spacing on the side of centripetal side, and the ring side of semicircular support is equipped with the gyro wheel groove, and the processing frock suitable for set box welding includes four above -mentioned supports suitable for set box welding, and the limiting slot of two semicircular supports is opposite two two buckling and is connected to form the fixing device, and two above -mentioned gyro wheel grooves splice and form the annular groove, and above -mentioned processing frock still includes at least one support for leveling. The utility model can utilize gyro wheel frame to realize the circumferential rotation change welding station, and reduces the requirement to the rotary clamping force.

Description

Technical Field

[0001] This utility model belongs to the field of container welding technology, specifically relating to a support and processing tooling suitable for container welding. Background Technology

[0002] The header consists of a cylinder, pipe fittings, and other accessories. The specifications, materials, and structures of headers vary depending on their location. Pipe fittings are distributed unevenly around the cylinder, in one or more quadrants. When welding the pipe fittings, the header is supported at any two points along its length. After welding one row of pipe fittings, the header is rotated using a crane or other external force before welding the next row. Current technology uses a central shaft for rotational positioning. However, this requires high clamping force; insufficient clamping force will prevent rotation. Utility Model Content

[0003] To address the issue that existing supports and machining fixtures suitable for header welding require high rotational clamping force, this utility model provides a support and machining fixture suitable for header welding.

[0004] The embodiments of this utility model are achieved through the following technical solutions:

[0005] A support suitable for welding headers is provided. The support is a semi-circular support. A limiting groove for limiting the end of the header is provided through the center side of the semi-circular support. A roller groove is provided on the circumferential side of the semi-circular support.

[0006] Compared to existing technologies that use a central shaft for rotational displacement, this design features roller grooves on the circumferential side of the support, allowing the product component to be placed on the roller frame. The four semi-circular supports are interlocked in pairs to form a cylindrical shape. The roller frame actively rotates, driving the product component to achieve circumferential rotation, changing the welding position, reducing the requirement for rotational clamping force, and making it more convenient and simple to place the product component on the roller frame for circumferential rotation.

[0007] In some technical solutions of this utility model, the support includes two parallel limiting plates with slots. The two limiting plates are connected to each other by an arc plate and two connecting plates arranged at the ends of the limiting plates. The slots of the two limiting plates together form the limiting groove. A pair of limiting strips are provided on the outer edge of the arc plate to form the roller groove.

[0008] This design makes the fabrication of the support more convenient.

[0009] In some technical solutions of this utility model, a stiffening plate is provided between the two aforementioned limiting plates.

[0010] There are multiple stiffening plates, and the installation of stiffening plates can increase the stability of the support to a certain extent.

[0011] In some technical solutions of this utility model, a connecting hole for inserting bolts is provided through the connecting plate on the outer side of the limiting plate.

[0012] This design makes disassembly and installation between the two supports more convenient.

[0013] A machining fixture suitable for container assembly welding includes four supports suitable for container assembly welding as described in any one of the above technical solutions. The limiting grooves of two semi-circular supports are connected in pairs to form a fixing device. The grooves of the two rollers are spliced ​​together to form an annular groove. The machining fixture also includes at least one support member for leveling.

[0014] The tooling for this process is designed by a technician to determine the support points, which can shorten the support spacing (the distance between adjacent support components is the support spacing) and improve the ability to prevent deformation during the welding process.

[0015] In some technical solutions of this utility model, the aforementioned limiting groove is a V-shaped groove.

[0016] Compared to existing processing tooling, it has an increased range of applicable containers and better versatility, which can reduce the cost of processing tooling for users to a certain extent.

[0017] In some technical solutions of this utility model, the aforementioned limiting groove is a U-shaped groove with a V-shaped bottom.

[0018] Compared to simple V-grooves or simple U-grooves, the limiting groove in this design can further increase the adaptability of the header size and the stability of the header clamping.

[0019] In some technical solutions of this utility model, the above-mentioned support member is an arc-shaped plate.

[0020] This design is to prevent the support components from falling between the two headers.

[0021] In some technical solutions of this utility model, the support member is a support plate, and both ends of the support plate are bent ends.

[0022] The curved ends of the support plate can prevent the support from falling between the two headers to a certain extent, as long as the support at one position does not interfere with each other.

[0023] The technical solution of this utility model has at least the following advantages and beneficial effects:

[0024] This utility model is applicable to the support and processing fixture for the welding of containers. The support is set as a semi-circular fixed seat and is equipped with roller grooves so that the product components can be placed on the roller frame. The roller frame actively rotates to drive the product components to achieve circumferential rotation. The use of the roller frame to achieve circumferential rotation changes the welding position and reduces the requirements for rotation clamping force. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the working state of a machining tool suitable for container welding in one embodiment of the present invention;

[0026] Figure 2 This is a front view of a machining tool suitable for container welding in the working state in one embodiment of the present invention;

[0027] Figure 3 for Figure 2 Side view;

[0028] Figure 4 This is a cross-sectional view of a support suitable for container welding in one embodiment of the present invention;

[0029] Figure 5 This is a schematic diagram of the structure of a support suitable for container welding in one embodiment of the present invention;

[0030] Figure 6 This is one of the structural schematic diagrams of a support component in a machining tooling suitable for container welding according to one embodiment of the present utility model;

[0031] Figure 7 This is a second schematic diagram of the structure of a support component in a machining tooling suitable for container welding, according to one embodiment of the present invention;

[0032] Figure 8 This is the third schematic diagram of the structure of a support component in a machining tooling suitable for container welding in one embodiment of this utility model;

[0033] Figure 9 This is the fourth schematic diagram of the structure of a support component in a machining tooling suitable for container welding in one embodiment of this utility model;

[0034] Figure 10 This is a schematic diagram of the air cooler structure in one embodiment of the present invention.

[0035] Icons: 1-Fixing device, 2-Support, 3-Limiting groove, 4-Support, 5-Roller groove, 6-Limiting plate, 7-Connecting hole, 8-Arc plate, 9-Connecting plate, 10-Limiting strip, 11-Rib plate, 12-Bolt, 13-Bent end, 14-Upper header, 15-Lower header, 16-Pipe seat I, 17-Pipe seat II, 18-Pipe joint, 19-Roller frame, 20-Rib tube assembly. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0038] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0039] In the description of this utility model, it should be noted that if terms such as "inner" or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0040] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "configure," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0041] Example 1

[0042] Please refer to Figures 1-5 This embodiment provides a support suitable for header welding. The support 4 is a semi-circular support. A limiting groove 3 for limiting the end of the header is provided through the centripetal side of the semi-circular support. A roller groove 5 is provided on the circumferential side of the semi-circular support.

[0043] The header includes a cylindrical body, on which accessories are provided, including welded pipe fittings 18, and its structure is as follows: Figure 10 As shown; the structure of the welded header during use (taking a partial structural diagram of the air cooler as an example) is illustrated. Figure 10 As shown, the upper header 14 and the lower header 15 are respectively connected to pipe seat I16 and pipe seat II 17. The structures of the upper header 14 and the lower header 15 are identical as shown in the figure. Figure 10 As shown, several spiral ribbed tube assemblies 20 between the upper header 14 and the lower header 15 are connected to the corresponding pipe fittings 18 of the upper header 14 and the lower header 15. Generally, the ribbed tube assembly 20 is a purchased finished product. In order to avoid misalignment and folding between the header and the pipe seat, and between the header pipe fitting 18 and the ribbed tube, the straightness of the header is required to be high. Therefore, care should be taken to prevent the header from being deformed during welding when welding the pipe fitting 18.

[0044] The principle of the support applicable to the welding of headers is as follows: Figure 1 As shown, the assembly and welding of the header first requires welding and inspecting the accessories on the header body and the pipe seats that interfere with the welding space of the support 4, and ensuring they pass the inspection. After passing the inspection, the next step is to weld the pipe joint 18. First, the two headers (two headers that will be connected together can be selected first, for example) are welded together. Figure 10The upper header 14 and lower header 15 shown are placed back-to-back on a support (the support is a frame used to temporarily place the headers, and the height of the support is slightly higher than the difference between the radius of the support 4 and the radius of the header). Then, four semi-circular supports are selected and arranged in pairs. The two sets of semi-circular supports are respectively assembled to the left and right ends of the headers. The two semi-circular supports 4 in one set are placed on the upper side of the upper header 14 and the lower side of the lower header 15 at the same end. The end of the upper header 14 passes through the limiting groove 3 of the upper support 4, and the end of the lower header 15 passes through the limiting groove 3 of the lower support 4. Then, the two supports 4 are fixed (they can be fixed by electric welding). Since the supports 4 are semi-circular supports, the two supports 4 are fastened together. After assembly, a ring is formed. The two supports 4 of the other group are connected at the other end of the two headers in the same manner as described above. After all four semi-circular supports are installed, the product assembly (the two headers with the four semi-circular supports together form the product assembly) is lifted by a crane to check whether the connection between the semi-circular supports and the headers is tight. Then, the position of the roller frame 19 is adjusted according to the position between the two sets of semi-circular supports. The crane lifts the product assembly onto the roller frame 19, ensuring that the roller groove 5 (which can be the roller groove 5 of one support 4 or the two roller groove 5 of two connected supports 4 are placed on the roller) is placed on the roller. The product assembly is adjusted by rotating the roller frame 19, i.e., rotating the header, so that the welding position can be adjusted.

[0045] In this design, the support 4 has roller grooves 5 on its circumferential side. The four semi-circular supports are interlocked in pairs to form a cylindrical shape, allowing the product component to be placed on the roller frame 19. The roller frame 19 actively rotates, driving the product component to achieve circumferential rotation and change the welding position. In the prior art, a central shaft is used for rotational displacement, which requires a high rotational clamping force. Compared with the prior art, this design allows the product component to be placed on the roller frame 19 to achieve circumferential rotation, which is more convenient and simple. As a preferred embodiment, the support 4 includes two parallel limiting plates 6 with slots. The two limiting plates 6 are connected to each other by an arc plate 8 and two connecting plates 9 arranged at the ends of the limiting plates 6. The slots of the two limiting plates 6 together form the limiting groove 3. A pair of limiting strips 10 are provided on the outer edge of the arc plate 8 to form the roller groove 5.

[0046] In the above embodiment, the connection between the arc plate 8, the two connecting plates 9, and the two limiting plates 6 is all welded, and the connection between the pair of limiting strips 10 and the arc plate 8 is also welded. This design makes the processing of the support 4 more convenient. At the same time, the groove depth of the roller groove 5 is the height of the pair of limiting strips 10. The height of the pair of limiting strips 10 cannot be too low to prevent the product component from slipping off the roller frame 19. Preferably, the thickness of the limiting plate 6, the arc plate 8, and the two connecting plates 9 can be increased to allow for heat treatment. The product component is then placed in the furnace for heat treatment to relieve stress. After that, the product component is removed from the furnace, and then the two welded supports 4 can be removed (the two supports 4 can be removed by mechanical cutting: that is, using an angle grinder, plasma cutter, or flame cutter to cut the weld seam; or carbon arc gouging: using the electric arc generated between the carbon rod and the workpiece to melt the metal. This method is suitable for thick steel plates, and the operator can choose according to the plate thickness).

[0047] As a preferred embodiment, a stiffening plate 11 is provided between the two limiting plates 6.

[0048] In the above embodiments, there are multiple stiffening plates 11, and the arrangement of stiffening plates 11 can increase the stability of the support 4 to a certain extent.

[0049] As a preferred embodiment, a connecting hole 7 for inserting a bolt 12 is provided through the connecting plate 9 on the outer side of the limiting plate 6.

[0050] In the above embodiment, the two supports 4 are connected by bolts 12. Preferably, a connecting plate 9 is provided with four connecting holes 7, that is, a set of two interconnected supports 4 contains eight bolts 12. When it is necessary to install two supports 4, first place the two supports 4 in the upper and lower directions of two stacked boxes along the direction of gravity, and after the connecting holes 7 on the two supports 4 are aligned, pass the bolts 12 through the corresponding connecting holes 7 on the two supports 4 in sequence, and then tighten them with nuts to complete the installation. This design makes the disassembly and installation of the two supports 4 more convenient and saves the time of installation and disassembly.

[0051] Example 2

[0052] like Figures 1-10 As shown, a processing fixture suitable for container assembly welding includes four supports 4 suitable for container assembly welding as described in any one of the embodiments of Example 1 above. The limiting grooves 3 of two semi-circular supports are connected to each other to form a fixing device 1. The two roller grooves 5 are spliced ​​together to form an annular groove. The processing fixture also includes at least one support member 2 for leveling.

[0053] The principle of this machining fixture is as follows: First, based on the actual conditions such as the number, length, and wall thickness of the accessories on the header, the technician determines the number of support points (the positions where support members 2 are set between the two headers) and the distance between each support point. Support members 2 are installed between the two headers to fill the gap between them. At the same time, a certain number of support members 2 can also be placed at the accessory positions on the headers, and installed together with the header accessories, so that multiple points between the two headers are supported. In other words, arc-shaped support members 2 are set according to the header accessories, and simultaneously between the two headers... Place support members 2 at other locations to level the non-welded surfaces between the two headers (ensuring the headers remain parallel in the length direction); preferably, the thickness of the support member 2 is the same as the thickness of the accessory. In this case, at least one support member 2 is placed at the location between the two headers where there is no accessory, and the number of support members 2 placed at the location with the accessory is exactly one less than the number of support members 2 placed at the location without the accessory, which makes leveling easier; of course, multiple support members 2 of different thicknesses can also be used to stack, as long as all locations between the two headers are parallel, that is, the headers remain parallel in the length direction. Then fix the two sets of supports 4 to the two ends of the two headers (the fixing method can be spot welding or a detachable method using bolts 12 with nuts, the specific connection method can be referred to in embodiment 1). After both fixing devices 1 are fixed, use a crane to test lift the product component to check whether the two headers are clamped together, so as to prevent the effect from being affected by the improper assembly of the processing tooling. (When the support 4 is equipped with stiffening plate 11, the support 4 is allowed to be tested for rigid connection by using stiffening plate 11). After the test is qualified, adjust the position of the roller frame 19 according to the position between the two sets of semi-circular supports. The crane lifts the product component onto the roller frame 19, ensuring that the annular groove is placed on the roller. Use the roller frame 19 to rotate and adjust the product component, that is, rotate the header, so that the welding position can be adjusted.

[0054] The tooling for this process is designed by a technician to determine the support points, which can shorten the support spacing (the distance between adjacent support parts 2 is the support spacing) and improve the ability to prevent deformation during the welding process.

[0055] As a preferred embodiment, the limiting groove 3 is a V-shaped groove.

[0056] The connection method of the machining tooling at both ends of the header remains unchanged. When the machining tooling is applied to headers of different sizes, only the number of support members 2 needs to be adjusted. Compared with the machining tooling in the prior art, its applicable range of headers has increased, and its versatility is better. To a certain extent, it can reduce the cost of the machining tooling for users.

[0057] As a preferred embodiment, the aforementioned limiting groove 3 is a U-shaped groove with a V-shaped bottom.

[0058] Compared to simple V-grooves or simple U-grooves, the limiting groove 3 in this design can further increase the adaptability of the header size and the stability of the header clamping. As a preferred embodiment, the support member 2 is an arc-shaped plate.

[0059] In the above embodiments, when the number of arc-shaped plates is greater than or equal to 2, it is preferable that the center of the arc-shaped plate closest to the header is also closer to the header, such as... Figure 1 As shown, when the number of arc plates is 2, the center of the arc plate close to the upper header 14 is located on the upper side, and the center of the arc plate close to the lower header 15 is located on the lower side; this design is to prevent the support 2 from falling between the two headers.

[0060] In a preferred embodiment, the support member 2 is a support plate, and both ends of the support plate are bent ends 13.

[0061] In the above embodiments, such as Figures 6-9 As shown, the bent ends 13 at both ends of the support plate can, to some extent, prevent the support member 2 from falling between the two headers. It is sufficient that the support members 2 at one location do not interfere with each other. Preferably... Figure 7 Suitable for situations where there is only one support component 2.

[0062] In summary, the embodiments of this utility model provide a support and processing fixture suitable for header welding. The support 4 is set as a semi-circular fixed seat and is equipped with a roller groove 5, so that the product component can be placed on the roller frame 19. The roller frame 19 actively rotates to drive the product component to achieve circumferential rotation. The circumferential rotation of the roller frame 19 can be used to change the welding position, reducing the requirement for rotation clamping force. The processing fixture consists of a fixing device 1 and at least one support member 2. Two sets of fixing devices 1 clamp two headers back to back to form a product component. According to the header accessories, an arc-shaped support member 2 is set to flatten the non-welding surface of the header (so that the header remains parallel in the length direction) to prevent the header from bending and deforming during the welding of the pipe joint 18. On this basis, the limiting groove 3 of the fixing device 1 is designed as a V-shaped groove with a U-shaped head to meet the needs of a larger diameter range, increasing the deformation resistance and versatility of the entire processing fixture.

Claims

1. A support suitable for welding headers, wherein the support (4) is a semi-circular support, and a limiting groove (3) for limiting the end of the header is provided through the centripetal side of the semi-circular support, characterized in that, The semi-circular support has a roller groove (5) on its circumferential side. The support (4) includes two parallel limiting plates (6) with slots. The two limiting plates (6) are connected to each other by an arc plate (8) and two connecting plates (9) arranged at the ends of the limiting plates (6). The slots of the two limiting plates (6) together form the limiting groove (3). A pair of limiting strips (10) are provided on the outer edge of the arc plate (8) to form the roller groove (5).

2. The support for container assembly welding according to claim 1, characterized in that, A stiffening plate (11) is provided between the two limiting plates (6).

3. The support for container assembly welding according to claim 1, characterized in that, A connecting hole (7) for inserting a bolt (12) is provided through the connecting plate (9) on the outside of the limiting plate (6).

4. A machining fixture suitable for container assembly welding, comprising the support for container assembly welding as described in any one of claims 1-3, characterized in that, The limiting grooves (3) of the two semi-circular supports are connected to each other to form a fixing device (1), and the two roller grooves (5) are spliced ​​to form an annular groove. The processing fixture also includes at least one support (2) for leveling.

5. The machining tooling suitable for container welding according to claim 4, characterized in that, The limiting groove (3) is a V-shaped groove.

6. The machining tooling suitable for container welding according to claim 4, characterized in that, The limiting groove is a U-shaped groove with a V-shaped bottom.

7. The machining tooling suitable for container welding according to claim 4, characterized in that, The support member (2) is an arc-shaped plate.

8. The machining tooling suitable for container welding according to claim 4, characterized in that, The support member (2) is a support plate, and both ends of the support plate are bent ends (13).

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