Welding deformation control device for large complex assembly

Abstract

A large complex assembly welding deformation control device comprises a bottom plate, a center positioning device is arranged in the middle of the upper end face of the bottom plate, two front inner cavity control devices are arranged at the front end of the bottom plate, a first positioning device is arranged between the two front inner cavity control devices (7), and a QT limiting device is arranged between the first positioning device and the front inner cavity control device on the right side. Mistake proofing devices are arranged on the two sides of the front inner cavity control device on the left side, a rear inner cavity control device is arranged at the rear end of the bottom plate, QCL limiting devices are arranged on the two sides of the front inner cavity control devices respectively, door frame limiting devices are arranged on the left side and the right side of the upper end face of the bottom plate respectively, and pressing devices are arranged on the side faces of the door frame limiting devices; a plurality of bottom plate pressing devices and supporting blocks are arranged on the upper end face of the bottom plate (1) according to the shape of a workpiece.

Description

Technical Field

[0001] The invention relates to the technical field of welding devices, and in particular to a welding deformation control device for large and complex components. Background Art

[0002] A large and complex component adopts a dual structure of QT and PT. It needs to bear the impact force of more than 20G and bear the key function of protecting important components such as DX and SG. Therefore, the overall rigidity and deformation of the system design are large. The forming of the product mainly relies on machining and welding, which is difficult to manufacture. The product is very easy to deform during the welding process. At present, manual direct welding is used, and the degree of deformation of the product cannot be guaranteed, resulting in the inability to guarantee the quality of the product. Summary of the invention

[0003] The purpose of the present invention is to provide a large-scale complex component welding deformation control device to address the corresponding deficiencies of the prior art. The device can control the deformation of the product and ensure the production quality of the product.

[0004] The objective of the present invention is achieved by adopting the following scheme: a large and complex component welding deformation control device, comprising a base plate, a center positioning device is arranged in the middle of the upper end surface of the base plate, two front inner cavity control devices are arranged at the front end of the base plate, a first positioning device is arranged between the two front inner cavity control devices, a QT limit device is arranged between the first positioning device and the front inner cavity control device on the right, error prevention devices are arranged on both sides of the front inner cavity control device on the left, a rear inner cavity control device is arranged at the rear end of the base plate, a QCL limit device is arranged on both sides of the front inner cavity control device, a door frame limit device is arranged on the left and right sides of the upper end surface of the base plate, a clamping device is arranged on the side of the door frame limit device, and a plurality of base plate clamping devices and support blocks are arranged on the upper end surface of the base plate 1 according to the shape of the workpiece.

[0005] A QH sensor device is provided at the front end of the front inner cavity control extension rod of the front inner cavity control device.

[0006] The front inner cavity control device includes a front inner cavity control base installed on the upper end surface of the base plate, the upper end of the front inner cavity control base is hinged to the front inner cavity control extension rod, the front end of the front inner cavity control extension rod is connected and fixed to the front inner cavity control wheel, and the front inner cavity control wheel is arranged parallel to the upper end surface of the base plate.

[0007] The rear inner cavity control device includes a rear inner cavity control base installed on the upper end surface of the bottom plate, a rear inner cavity first control board for controlling the rear end surface of the rear inner cavity of the workpiece is arranged at the front end of the rear inner cavity control base, and a rear inner cavity second control board for controlling the side surface of the rear inner cavity of the workpiece is arranged at the upper end surface of the rear inner cavity control base.

[0008] The QT limit device includes a QT limit base, the upper end of the QT limit base is hinged to a QT limit extension rod, the front ends of the QT limit extension rod are respectively connected to fixed QT limit wheels, and the QT limit wheels on both sides are parallel to each other and perpendicular to the upper end surface of the bottom plate.

[0009] The QCL limiting device includes a QCL limiting base installed on the upper end surface of the bottom plate, a QCL limiting guide rail is arranged on the upper end of the QCL limiting base, a QCL limiting plate is arranged on the upper end of the QCL limiting guide rail, and the QCL limiting plate is slidably connected to the QCL limiting guide rail.

[0010] The door frame limiting device includes a door frame limiting base installed on the upper end surface of the base plate, a door frame limiting guide rail is arranged on the upper end of the door frame limiting base, a door frame limiting connecting plate is arranged on the upper end of the door frame limiting guide rail, the lower end surface of the door frame limiting connecting plate is connected to a fixed door frame limiting hand wheel, and a door frame limiting plate is arranged on the left and right sides of the upper end surface of the door frame limiting connecting plate.

[0011] The clamping device includes a clamping base installed on the upper end surface of the base plate, the upper end of the clamping base is hinged to a clamping extension plate, a clamping wheel is arranged on the lower end surface of the front end of the clamping extension plate, and the clamping wheel is parallel to the upper end surface of the base plate.

[0012] The center positioning device includes a center positioning base installed on the upper end surface of the base plate, and center positioning connecting plates are respectively arranged on the left and right sides of the upper end of the center positioning base. The outer side surface of the center positioning connecting plate is connected to a fixed center positioning wheel disc, and the two center positioning wheels are parallel to each other and perpendicular to the upper end surface of the base plate.

[0013] The advantages of the present invention are that the present invention realizes deformation control during the welding process of large and complex components, realizes the control of welding deformation of large and complex components within the manufacturing tolerance of the product, solves the major problem of welding deformation of large and complex components, fully reduces the influence of human factors on welding deformation of large and complex components, ensures the consistency of batch production of key parts, solves the problem of rapid cladding and high-quality parallel welding of certain large and complex components, and the one-time inspection pass rate reaches more than 95%. It has the advantages of low cost, streamlined structure, high reliability and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the working of the present invention; Figure 3 It is a schematic diagram of the structure of the components of the present invention; Figure 4 It is a schematic diagram of the structure of the front inner cavity control device; Figure 5 It is a schematic diagram of the structure of the QT limit device; Figure 6 It is a schematic diagram of the structure of the QCL limit device; Figure 7 It is a schematic diagram of the structure of the clamping device. DETAILED DESCRIPTION

[0015] like Figures 1 to 7As shown, a large complex component welding deformation control device comprises a base plate 1, a center positioning device 3 is arranged in the middle of the upper end surface of the base plate 1, the center positioning device 3 comprises a center positioning base 3a installed on the upper end surface of the base plate 1, and center positioning connecting plates 3b are arranged on the left and right sides of the upper end of the center positioning base 3a, and the outer side surface of the center positioning connecting plate 3b is connected to a fixed center positioning wheel 3c, and the two center positioning wheels 3c are parallel to each other and perpendicular to the upper end surface of the base plate 1. There are two front inner cavity control devices 7 at the front end of the base plate 1, and a QH sensor device is arranged at the front end of the front inner cavity control extension rod 7b of the front inner cavity control device 7. The front inner cavity control device 7 comprises a front inner cavity control base 7a installed on the upper end surface of the base plate 1, and the upper end of the front inner cavity control base 7a is hinged to the front inner cavity control extension rod 7b, and the front end of the front inner cavity control extension rod 7b is connected to a fixed front inner cavity control wheel 7c, and the front inner cavity control wheel 7c is arranged parallel to the upper end surface of the base plate 1. A first positioning device 5 is arranged between the two front inner cavity control devices 7, and a QT limit device 6 is arranged between the first positioning device 5 and the front inner cavity control device 7 on the right side, and the QT limit device 6 comprises a QT limit base 6a, and the upper end of the QT limit base 6a is hinged to a QT limit extension rod 6b, and the front ends of the QT limit extension rod 6b are respectively connected to fixed QT limit wheels 6c, and the QT limit wheels 6c on both sides are parallel to each other and perpendicular to the upper end surface of the bottom plate 1. Error prevention devices 8 are arranged on both sides of the front inner cavity control device 7 on the left side, and a rear inner cavity control device 2 is arranged at the rear end of the bottom plate 1, and the rear inner cavity control device 2 comprises a rear inner cavity control base 2a installed on the upper end surface of the bottom plate 1, and a rear inner cavity first control plate 2b for controlling the rear end surface of the rear inner cavity of the workpiece is arranged at the front end of the rear inner cavity control base 2a, and a rear inner cavity second control plate 2c for controlling the side surface of the rear inner cavity of the workpiece is arranged on the upper end surface of the rear inner cavity control base 2a. A QCL limit device 9 is respectively arranged on both sides of the front inner cavity control device 7, and the QCL limit device 9 includes a QCL limit base 9a installed on the upper end surface of the bottom plate 1, a QCL limit guide rail 9b is arranged on the upper end of the QCL limit base 9a, and a QCL limit plate 9c is arranged on the upper end of the QCL limit guide rail 9b, and the QCL limit plate 9c is slidably connected with the QCL limit guide rail 9b. A door frame limit device 12 is respectively arranged on the left and right sides of the upper end surface of the bottom plate 1, and the door frame limit device 12 includes a door frame limit base 12a installed on the upper end surface of the bottom plate 1, a door frame limit guide rail 12e is arranged on the upper end of the door frame limit base 12a, and a door frame limit connecting plate 12c is arranged on the upper end of the door frame limit guide rail 12e, and the lower end surface of the door frame limit connecting plate 12c is connected to a fixed door frame limit hand wheel 12b, and a door frame limit plate 12d is respectively arranged on the left and right sides of the upper end surface of the door frame limit connecting plate 12c.A clamping device 11 is arranged on the side of the door frame limiting device 12, and the clamping device 11 comprises a clamping base 11a installed on the upper end surface of the bottom plate 1, and the upper end of the clamping base 11a is hinged to a clamping extension plate 11b, and a clamping wheel disc 11c is arranged on the lower end surface of the front end of the clamping extension plate 11b, and the clamping wheel disc 11c is parallel to the upper end surface of the bottom plate 1. A plurality of bottom plate clamping devices 10 and a support block 13 are arranged on the upper end surface of the bottom plate 1 according to the shape of the workpiece 3.

[0016] Table 1 is a comparison table of the deformation of the workpiece after welding using the present invention and the workpiece welded by the prior art Serial number Previous Example Results Results of this Example 2022-01# Within the range of 3000mm×2000mm, the deformation is ≥10mm Within the range of 3000mm×2000mm, deformation ≤5mm 2022-02# Within the range of 3000mm×2000mm, the deformation is ≥10mm Within the range of 3000mm×2000mm, deformation ≤5mm 2023-01# Within the range of 3000mm×2000mm, the deformation is ≥10mm Within the range of 3000mm×2000mm, deformation ≤5mm 2023-02# Within the range of 3000mm×2000mm, the deformation is ≥10mm Within the range of 3000mm×2000mm, deformation ≤5mm The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification made to the present invention by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope of the present invention.

Claims

1. A large complex component welding deformation control device, comprising a base plate (1), characterized in that: A center positioning device (3) is arranged in the middle of the upper end surface of the base plate (1); two front inner cavity control devices (7) are arranged at the front end of the base plate (1); a first positioning device (5) is arranged between the two front inner cavity control devices (7); a QT limit device (6) is arranged between the first positioning device (5) and the right front inner cavity control device (7); error prevention devices (8) are arranged on both sides of the left front inner cavity control device (7); a rear inner cavity control device (2) is arranged at the rear end of the base plate (1); a QCL limit device (9) is arranged on both sides of the front inner cavity control device (7); a door frame limit device (12) is arranged on the left and right sides of the upper end surface of the base plate (1); a clamping device (11) is arranged on the side of the door frame limit device (12); and a plurality of base plate clamping devices (10) and a support block (13) are arranged on the upper end surface of the base plate (1) according to the shape of the workpiece (3).

2. The large complex component welding deformation control device according to claim 1 is characterized in that: A QH sensor device is provided at the front end of the front inner cavity control extension rod (7b) of the front inner cavity control device (7).

3. The large complex component welding deformation control device according to claim 1 is characterized in that: The front inner cavity control device (7) comprises a front inner cavity control base (7a) mounted on the upper end surface of the base plate (1); the upper end of the front inner cavity control base (7a) is hingedly connected to a front inner cavity control extension rod (7b); the front end of the front inner cavity control extension rod (7b) is connected and fixed to a front inner cavity control wheel (7c); and the front inner cavity control wheel (7c) is arranged parallel to the upper end surface of the base plate (1).

4. The large complex component welding deformation control device according to claim 1 is characterized in that: The rear inner cavity control device (2) comprises a rear inner cavity control base (2a) mounted on the upper end surface of the base plate (1); a rear inner cavity first control board (2b) for controlling the rear end surface of the rear inner cavity of the workpiece is arranged at the front end of the rear inner cavity control base (2a); and a rear inner cavity second control board (2c) for controlling the side surface of the rear inner cavity of the workpiece is arranged at the upper end surface of the rear inner cavity control base (2a).

5. The large complex component welding deformation control device according to claim 1 is characterized in that: The QT limit device (6) comprises a QT limit base (6a), the upper end of the QT limit base (6a) is hingedly connected to a QT limit extension rod (6b), the front ends of the QT limit extension rod (6b) are respectively connected to fixed QT limit wheels (6c), and the QT limit wheels (6c) on both sides are parallel to each other and perpendicular to the upper end surface of the bottom plate (1).

6. The large complex component welding deformation control device according to claim 1 is characterized in that: The QCL limiting device (9) comprises a QCL limiting base (9a) mounted on the upper end surface of the base plate (1), a QCL limiting guide rail (9b) being arranged at the upper end of the QCL limiting base (9a), a QCL limiting plate (9c) being arranged at the upper end of the QCL limiting guide rail (9b), and the QCL limiting plate (9c) being slidably connected to the QCL limiting guide rail (9b).

7. The large complex component welding deformation control device according to claim 1 is characterized in that: The door frame limiting device (12) comprises a door frame limiting base (12a) mounted on the upper end surface of the base plate (1), a door frame limiting guide rail (12e) being arranged at the upper end of the door frame limiting base (12a), a door frame limiting connecting plate (12c) being arranged at the upper end of the door frame limiting guide rail (12e), the lower end surface of the door frame limiting connecting plate (12c) being connected to a fixed door frame limiting hand wheel (12b), and a door frame limiting plate (12d) being arranged on the left and right sides of the upper end surface of the door frame limiting connecting plate (12c), respectively.

8. The large complex component welding deformation control device according to claim 1 is characterized in that: The clamping device (11) comprises a clamping base (11a) mounted on the upper end surface of the base plate (1), the upper end of the clamping base (11a) being hingedly connected to a clamping extension plate (11b), a clamping wheel disc (11c) being arranged on the lower end surface of the front end of the clamping extension plate (11b), and the clamping wheel disc (11c) and the upper end surface of the base plate (1) being parallel to each other.

9. The large complex component welding deformation control device according to claim 1, characterized in that: The center positioning device (3) comprises a center positioning base (3a) mounted on the upper end surface of the base plate (1), and center positioning connecting plates (3b) are respectively arranged on the left and right sides of the upper end of the center positioning base (3a), and the outer side surface of the center positioning connecting plate (3b) is connected to a fixed center positioning wheel disc (3c), and the two center positioning wheel discs (3c) are parallel to each other and perpendicular to the upper end surface of the base plate (1).

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