Flange assembly displacement method and device

Abstract

The invention discloses a flange assembly displacement method and device, and relates to the field of flange assembly. The flange assembly displacement device comprises a first fixing base, a first sliding base, a second sliding base, a first supporting component, a second supporting component, a first driving component, two displacement assemblies and two clamping assemblies. The clamping assembly comprises a clamping base, a first clamping component and two floating clamping components. The device is used for executing the following steps of judging the inner eighth / outer eighth of the pipe fitting. And in the eight-in-one period, the first floating clamping component is high in pressure, the second floating clamping component is low in pressure, and the pipe fitting on one side is inserted into the flange. The first floating clamping component is in low pressure, the second floating clamping component is in high pressure, and the pipe fitting on the other side is inserted into the flange. And in eight hours, the two sliding seats are away from each other, the two floating clamping components extend, and the pipe fitting on one side is inserted into the flange. The two sliding seats are away from each other and the two floating clamping members extend, and the pipe fitting on the other side is inserted into the flange. And the reset sliding seat and the floating clamping component move the flange to a preset position.

Description

Technical Field

[0001] The present invention relates to the technical field of flange assembly, and in particular to a flange assembly displacement method and device. Background Art

[0002] During the workpiece welding process, operations at multiple angles and positions are required, including welding and repair welding operations, which require the workpiece to be flexibly flipped and precisely positioned. When pipes are installed on both sides of the workpiece and flanges are required at the bottom of the pipes, to meet the complexity of the workpiece structure, the assembly must ensure the integrity and geometric accuracy of the internal and external welds. For example, the center distance tolerance between the two flanges must be controlled within ±0.1mm, flatness and parallelism must be maintained within ±0.5mm and 0.1mm respectively, and the perpendicularity error must not exceed 3‰.

[0003] Existing methods rely primarily on manual labor, including manual lifting and flipping of workpieces, and measurement and adjustment based on experience, visual inspection, and conventional measuring tools (such as tape measures). Operators frequently adjust the workpiece position to accommodate varying welding angles, and manually tighten and adjust the flanges during assembly. However, this method lacks fixed workstations and standardized operating standards, leading to chaotic on-site processes and ineffective control of critical dimensional tolerances and perpendicularity.

[0004] Furthermore, manual operations present significant drawbacks: frequent lifting poses safety risks, measurement errors lead to inaccuracies, and workpiece deformation cannot be predicted and corrected. Furthermore, decentralized operations result in low production capacity, inconsistent weld quality, and limited overall efficiency. These issues highlight the limitations of existing technologies for high-precision, multi-process integrated welding. Summary of the Invention

[0005] The present invention provides a flange assembly displacement method and device, aiming to improve at least one of the above-mentioned technical problems.

[0006] To solve the above technical problems, the present invention provides a flange assembly displacement device, comprising a first fixed seat, a first slide and a second slide coupled to the first fixed seat, a first support member coupled to the first slide, a second support member coupled to the second slide, a first driving member adapted to drive the first slide and the second slide toward and away from each other, two displacement assemblies coupled to the two slides, and two clamping assemblies coupled to the two displacement assemblies. The first support member and the second support member are adapted to position and fix the flange.

[0007] The clamping assembly includes a clamping base coupled to the displacement assembly, a first clamping member coupled to the clamping base, and two floating clamping members. The clamping members are adapted to abut against the pipe. The floating clamping members are driven to expand and contract by pressure.

[0008] As a further solution of the present invention, the flange assembly and displacement device is suitable for performing the following assembly steps: Determine whether the pipe fittings on both sides of the workpiece are in an inner or outer eight shape.

[0009] When the pipe is in an "in-eight" position, the first floating clamping member is driven from the reset position with high pressure, and the second floating clamping member is driven with low pressure, until the pipe on one side is inserted into the flange. Then, the two slides are driven closer, and the first floating clamping member is driven with low pressure, and the second floating mechanism is driven with high pressure, until the pipe on the other side is inserted into the flange.

[0010] When the pipe is in an outward-facing "X" shape, the two slides are driven away from the reset position and the two floating clamping members are driven to extend until the pipe on one side is inserted into the flange. Then, the two slides are driven away and the two floating clamping members are driven to extend until the pipe on the other side is inserted into the flange.

[0011] The return slide and floating clamping member move the flange to the preset position.

[0012] As a further embodiment of the present invention, the clamping assembly further includes a lifting ear retaining member. The lifting ear retaining member comprises a lifting ear base, coupled to the clamping base and provided with a lifting ear slot, and a first retaining pin movably coupled to the lifting ear base. The lifting ear slot is adapted to accommodate a lifting ear provided with a lifting hole. The first retaining pin is adapted to be inserted into the lifting hole located in the lifting ear slot to prevent the lifting ear from being dislodged from the lifting ear slot.

[0013] As a further embodiment of the present invention, the ear base is provided with a first pin hole and a C-shaped hole communicating with the first pin hole. The first stop pin is provided with a first pin portion located in the first pin hole and a first handle portion extending outward from the first pin portion through the C-shaped hole.

[0014] As a further embodiment of the present invention, the ear-limiting member further comprises a first elastic member located between the ear base and the first limiting pin, wherein the first elastic member is adapted to drive the first handle portion to be embedded in the end portion of the C-shaped hole on a side close to the ear slot.

[0015] The ear-limiting member further includes an ear pad. The ear pad is constructed as a U-shaped structure, and a spring pin is provided toward the inside of the U-shaped structure. The ear pad is adapted to be embedded in the ear slot and sleeved on the first limiting pin.

[0016] Preferably, the number of the first clamping members is two, the two floating clamping members are located between the two first clamping members, and the lifting eye limiting assembly is located between the two floating clamping members.

[0017] As a further solution of the present invention, a flange assembly displacement device further includes a third support member that is slidably engaged with the first fixed seat or the first sliding seat to adjust the distance between the third support member and the first support member.

[0018] As a further embodiment of the present invention, the first supporting member, the second supporting member, and the third supporting member each include a flange fixing seat, a flange positioning plate coupled to the flange fixing seat for supporting the flange, a flange center positioning pin and a flange hole positioning pin detachably coupled to the flange positioning plate, two flange pressing heads movably coupled to the flange fixing seat, and a third driving member transmission-connected to the two flange pressing heads. The third driving member is adapted to drive the two flange pressing heads toward or away from each other.

[0019] The flange pressure head is constructed as a U-shaped structure. The end of the U-shaped structure is provided with a first abutting chamfer inclined downward, and a second abutting chamfer is provided between the inner side and the end of the U-shaped structure to adapt to diamond-shaped, square and round flanges.

[0020] The flange positioning plate is provided with a plurality of mounting holes for flange hole positioning pins, and flange hole positioning pins of different specifications can be installed at different positions to adapt to flange plates of different specifications.

[0021] As a further embodiment of the present invention, the third support member further includes a flanged travel slide slidably engaged with the first fixed seat. The flanged fixed seat of the third support member is engaged with the flanged travel slide. The first slide is provided with a plurality of first positioning holes. The third support member is adapted to engage with the first slide via the first positioning holes.

[0022] The flange fixing seat of the second supporting member is engaged with the second sliding seat.

[0023] The flange fixing seat of the first supporting member is engaged with the first sliding seat.

[0024] As a further solution of the present invention, the first clamping member and the floating clamping member are movably engaged with the clamping base to adapt to workpieces of different specifications.

[0025] The first clamping member includes a third slide seat movably engaged with the clamping base, and a first abutment member engaged with the third slide seat. The first abutment member is configured as a V-shaped structure.

[0026] The floating clamping member includes a fourth slide seat movably connected to the clamping base, a telescopic member connected to the fourth slide seat, and a second abutting member connected to the telescopic member. The second abutting member is configured as a V-shaped structure.

[0027] The telescopic member is constructed as an air cylinder or an oil cylinder.

[0028] As a further solution of the present invention, the flange assembly displacement device further includes a fourth supporting member and a fifth supporting member.

[0029] The fourth supporting member and the fifth supporting member each include: a fifth slide seat movably coupled to the first fixed seat, a sixth slide seat movably coupled to the fifth slide seat, and a support member coupled to the sixth slide seat.

[0030] The first slide, the second slide, and the fifth slide move in the same direction. The sixth slide moves in a direction perpendicular to the fifth slide.

[0031] As a further embodiment of the present invention, the first driving member includes a first screw rotatably coupled to the first fixed seat, and a first motor transmission-connected to the screw. The first slide and the second slide are respectively coupled to the first screw and are configured to move closer to or farther from each other when the screw rotates.

[0032] The flange assembly displacement device further comprises two laser marking assemblies respectively connected to the two displacement assemblies. The laser marking assemblies are suitable for marking a reference mark on a workpiece.

[0033] The present application further provides a flange assembly and displacement method, which is suitable for being performed by a flange assembly and displacement device as described in any paragraph of the first aspect. The flange assembly and displacement method comprises: S1. Determine whether the pipes on both sides of the workpiece are in an inner or outer eight shape.

[0034] S2: When the pipe is in an "inner eight" shape, the first floating clamping member is actuated with high pressure from the reset position, and the second floating clamping member is actuated with low pressure, until the pipe on one side is inserted into the flange. Then, the two slides are moved closer, and the first floating clamping member is actuated with low pressure, and the second floating mechanism is actuated with high pressure, until the pipe on the other side is inserted into the flange.

[0035] S3: When the pipe is in an outward-facing "X" shape, the two slides are driven away from the reset position and the two floating clamping members are driven to extend until the pipe on one side is inserted into the flange. Then, the two slides are driven away and the two floating clamping members are driven to extend until the pipe on the other side is inserted into the flange.

[0036] S4, the reset slide and the floating clamping member move the flange to the preset position.

[0037] By adopting the above technical solution, the present invention can achieve the following technical effects: The flange assembly displacement device of the present invention can realize the integrated operation of workpiece clamping and flange assembly by integrating a multifunctional mechanism. The floating clamping component in the device can be driven by at least two levels of pressure, and combined with the coordinated movement of the displacement component and the slide, it can accurately correct the inner eight or outer eight deformation state of the workpiece to ensure the embedding accuracy of the pipe and the flange. At the same time, the ear limiting component can adapt to ears of different thicknesses through the design of elastic parts and floating pins, avoid the pad from falling off when clamping and releasing, and improve the clamping stability. The flange positioning adopts a combination of quick-change aligning molds and large-hole locating pins, and cooperates with the centering and clamping mechanism to control the center distance tolerance of the two flanges within ±0.1mm, the flatness and parallelism are controlled within ±0.5mm and 0.1mm respectively, and the verticality error does not exceed 3‰, which significantly improves the geometric accuracy of the flange assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the technical solutions of the specific embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0039] Figure 1 It is an axonometric drawing of the flange assembly displacement device.

[0040] Figure 2 It is an axonometric drawing of the flange assembly displacement device (displacement components and clamping components are hidden).

[0041] Figure 3 It is an axonometric view of the first slide, the first support member and the third support member.

[0042] Figure 4 It is an axonometric view of the second slide and the second support member.

[0043] Figure 5 It is an axonometric view of the third support member.

[0044] Figure 6 is an axonometric view of the fourth support member.

[0045] Figure 7 It is an axonometric drawing of the displacement component and the clamping component from the first perspective.

[0046] Figure 8 It is an axonometric drawing of the displacement component and the clamping component from the second perspective.

[0047] Figure 9 is an axonometric view of the clamping assembly.

[0048] Figure 10It is an axonometric view of the floating clamping member.

[0049] Figure 11 is an axonometric view of the clamping assembly.

[0050] Markings in the figure: 1-first fixed seat, 2-displacement assembly, 3-laser marking assembly, 4-clamping assembly, 5-first slide, 6-first support member, 7-third support member, 8-fourth support member, 9-fifth support member, 10-second support member, 11-second slide, 12-first drive member, 13-flange walking slide, 14-flange center positioning pin, 15-flange positioning plate, 16-flange hole positioning pin, 17-flange pressure, 18-flange fixed seat, 19-third drive structure, 20-mounting hole, 21-fifth slide, 22-sixth slide, 23-support member, 24-first clamping member, 25-third slide, 26-first abutment member, 27-floating clamping member, 28-fourth slide, 29-telescopic member, 30-second abutment member, 31-lifting ear limiting member, 32-clamping base, 33-lifting ear pad, 34-lifting ear base, 35-first limiting pin, 36-first pin part, 37-first handle part, 38-C-shaped hole, 39-first pin hole, 40-lifting ear groove. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0052] Depend on Figures 1 to 10 As shown, an embodiment of the present invention provides a flange assembly displacement device, which includes a first fixed seat 1, a first slide 5 and a second slide 11 connected to the first fixed seat 1, a first support member 6 connected to the first slide 5, a second support member 10 connected to the second slide 11, a first driving member 12 suitable for driving the first slide 5 and the second slide 11 towards and away from each other, two displacement assemblies 2 respectively connected to the two slides, and two clamping assemblies 4 respectively connected to the two displacement assemblies 2. The first support member 6 and the second support member 10 are suitable for positioning and fixing the flange. The displacement assembly 2 is suitable for moving the clamping assembly 4 up and down and rotating it.

[0053] The clamping assembly 4 includes a clamping base 32 coupled to the displacement assembly 2, a first clamping member 24 coupled to the clamping base 32, and two floating clamping members 27. The clamping members are adapted to abut against the pipe. The floating clamping members 27 are driven to expand and contract by pressure.

[0054] The flange assembly displacement device further includes a second driving member respectively engaged with the two floating clamping members 27. The second driving member is adapted to drive the floating clamping members 27 to abut against the pipes on both sides of the workpiece using at least two levels of pressure, so as to enable the workpiece to move relative to the two displacement assemblies 2 when clamping the workpiece.

[0055] Specifically, the two pressure levels are high pressure and low pressure. When both floating clamping members 27 are driven simultaneously using high pressure or low pressure, the workpiece remains stationary, but the workpiece and / or the pipes on both sides deform toward the center. When one floating clamping member 27 is driven using high pressure and the other floating clamping member 27 is driven using low pressure, the workpiece moves toward the side with low pressure. The flange assembly and displacement device is suitable for performing a flange assembly and displacement method. The flange assembly and displacement method is as follows: S1. Determine whether the pipes on both sides of the workpiece are in an inner or outer eight shape.

[0056] Specifically, pipe fittings are provided on both sides of a workpiece. Due to deformation during the production process, the pipe fittings on either side of the workpiece may form an outward-facing "O" (narrow) structure, with a narrow top and wide bottom, or an inward-facing "O" (wide) structure, with a narrow bottom. When an inward-facing or outward-facing "O" structure occurs, the spacing between the bottoms of the pipe fittings differs from the distance between the pre-set flange holes, making it impossible to insert the flanges. This requires the flange assembly displacement method of the present invention.

[0057] Whether the workpiece is in-toed or out-toed can be determined manually or automatically by computer vision, and the present invention does not make any specific limitation on this.

[0058] S2: When the pipe is in an inward-facing position, the first floating clamping member 27 is actuated with high pressure from the reset position, and the second floating clamping member 27 is actuated with low pressure, until the pipe on one side is inserted into the flange. Then, the two slides are moved closer, and the first floating clamping member 27 is actuated with low pressure, and the second floating member is actuated with high pressure, until the pipe on the other side is inserted into the flange.

[0059] When the pipes on both sides of the workpiece are in an inward-facing "O" shape, the distance between the bottoms of the two pipes is less than the distance between the two flanges, and the pipes are located between the two flanges. Preferably, step S2 includes steps S21 to S22.

[0060] S21. When it is determined that the pipe fittings on both sides of the workpiece are in an inner eight shape and the two flanges are in the reset position, the first floating clamping member 27 is extended by high pressure, and the second floating clamping member 27 is extended by low pressure, so that the workpiece moves toward the second floating clamping member 27 until the pipe fitting on one side and the mounting hole 20 of the flange are aligned and inserted.

[0061] S22: Drive the first slide 5 and the second slide 11 closer to each other, and at the same time, use low pressure to extend the first floating clamping member 27, and use high pressure to extend the second floating mechanism, until the pipe fitting on the other side is aligned with the mounting hole 20 of the other flange and inserted, thereby completing the flange and pipe fitting assembly work.

[0062] S3, when the pipe is in an outward-facing "X" shape, the two slides are driven away from the reset position and the two floating clamping members 27 are driven to extend until the pipe on one side is inserted into the flange. Then, the two slides are driven away and the two floating clamping members 27 are driven to extend until the pipe on the other side is inserted into the flange.

[0063] When the pipes on both sides of the workpiece are in an outward-facing "O" shape, the distance between the bottoms of the two pipes is greater than the distance between the two flanges, and the two flanges are located between the bottoms of the two pipes. Preferably, step S3 includes steps S31 and S32.

[0064] S31: When the pipes on both sides of the workpiece are determined to be in an outward-facing "O" shape, the first slide 5 and the second slide 11 are driven away from each other to increase the distance between the two flanges. Simultaneously, high pressure drives the two floating clamping members 27 to extend, maintaining the position of the workpiece and driving the pipes on both sides closer together until the pipe on one side is aligned with the flange hole on the other side and inserted.

[0065] S32: Continue to drive the first slide 5 and the second slide 11 away from each other, further increasing the distance between the two flanges. Simultaneously, continue to extend the two floating clamping members 27 under high pressure, further maintaining the position of the workpiece and driving the pipes on both sides closer together until the pipe on the other side is aligned with the flange hole on the other side and inserted.

[0066] By pairing the pipe fittings and flanges on both sides of the inner eight-shaped structure through step S2 and pairing the pipe fittings and flanges on both sides of the outer eight-shaped structure through step S3, the pairing between the pipe fittings and flanges can be completed well, which greatly simplifies the pairing steps and improves the pairing efficiency.

[0067] S4. Reset the slides and floating clamping members 27 to move the flanges to the preset positions. Specifically, the first slide 5 and the second slide 11 are reset to move the flanges to the predetermined standard positions. Simultaneously, the floating clamping members 27 are retracted, leaving only the first clamping member 24 holding the workpiece. This ensures that the dimensions, flatness, and parallelism between the two flanges meet the required standards.

[0068] In this embodiment, the reset position of the first and second slides 5, 11 positions the two flanges to meet specification requirements. The reset position of the floating clamping members 27 is retracted. After the pipes on both sides are aligned and inserted into the flanges to complete the assembly, the two floating clamping members 27 are reset to release the external forces applied to the workpieces. The reset of the first and second slides 5, 11 drives the first and second support members 10 to move the two flanges to the preset position, ensuring that the distance, parallelism, and flatness between the two flanges meet the requirements.

[0069] S5. Fix the flange to the pipe fitting by welding.

[0070] S6. An annealing process is used to eliminate internal stress in the workpiece and pipe fittings and finalize their shape. Specifically, the annealing process eliminates internal stress in the workpiece and pipe fittings and finalizes their shape, so that the flange remains in its current position to meet the requirements of size, flatness, and parallelism.

[0071] Preferably, step S0 is further included before step S1. S0: Welding the reinforcing ribs to the workpiece. In this embodiment, the reinforcing ribs are installed before the flanges. In other embodiments, the reinforcing ribs can be installed after the flanges. As long as the reinforcing ribs are installed before the retreat process, this is not specifically limited in the present invention.

[0072] On the basis of the above embodiment, in an optional embodiment of the present invention, as Figures 7 to 10 As shown, the clamping assembly 4 also includes a lifting ear limiting member 31. The lifting ear limiting member 31 includes a lifting ear base 34 that is coupled to the clamping base 32 and is provided with a lifting ear slot 40, and a first limiting pin 35 that is movably coupled to the lifting ear base 34. The lifting ear slot 40 is suitable for accommodating a lifting ear provided with a hanging hole. The first limiting pin is suitable for being inserted into the hanging hole located in the lifting ear slot 40 to prevent the lifting ear from being dislodged from the lifting ear slot 40. In this embodiment, the lifting ear base 34 is provided with a first pin hole 39 and a C-shaped hole 38 connected to the first pin hole 39. The first limiting pin 35 is provided with a first pin portion 36 located in the first pin hole 39, and a first handle portion 37 extending outward from the first pin portion 36 through the C-shaped hole 38. Preferably, the lifting ear limiting member 31 also includes a first elastic member (not shown) located between the lifting ear base 34 and the first limiting pin 35. The first elastic member is adapted to force the first handle portion 37 to be embedded in the end portion of the C-shaped hole 38 on one side close to the ear groove 40 .

[0073] Specifically, because the first pin hole 39 is located between the pipe and the clamping base 32, the design of the extended handle allows for more convenient adjustment of the first stop pin 35, thereby securing the lifting lug on the pipe to the lifting lug stop. In other embodiments, the first stop pin 35 can be directly configured as a spring pin structure, which is not specifically limited by the present invention, as long as it can retain the lifting lug in the lifting lug slot 40.

[0074] The lug retaining member 31 also includes a lug backing plate 33. The lug backing plate 33 is U-shaped and features a spring pin (not shown) positioned within the U-shaped structure. The lug backing plate 33 is adapted to fit within the lug slot 40 and fit within the first retaining pin 35. Specifically, workpieces of varying sizes and thicknesses may have lugs. The lug backing plate 33 securely secures the lugs within the lug slot 40, preventing any shaking between the workpiece, pipe, and clamping assembly 4.

[0075] Preferably, there are two first clamping members 24. The two floating clamping members 27 are located between the two first clamping members 24. The lifting eye limiter assembly is located between the two floating clamping members 27. In this embodiment, the two clamping assemblies 4 have the same structure. In other embodiments, the two clamping assemblies 4 may have different structures depending on the actual product structure. For example, the number of first clamping members 24 and floating clamping members 27 may be reduced or increased.

[0076] On the basis of the above embodiment, in an optional embodiment of the present invention, as Figures 1 to 3 As shown, a flange assembly positioner further includes a third support member 7. The third support member 7 is slidably engaged with the first fixed seat 1 or the first slide seat 5 to adjust the distance between the third support member 7 and the first support member 6. Specifically, the third support member 7 enables the flange to be fixed in a third position, thereby adapting to workpieces with special-shaped pipes or workpieces requiring three flanges. This greatly improves the versatility of the flange assembly positioner and has great practical significance.

[0077] On the basis of the above embodiment, in an optional embodiment of the present invention, as Figure 5As shown, the first support member 6, the second support member 10, and the third support member 7 each include a flange fixing seat 18, a flange positioning plate 15 coupled to the flange fixing seat 18 for supporting the flange, a flange center positioning pin 14 and a flange hole positioning pin 16 detachably coupled to the flange positioning plate 15, two flange pressing heads 17 movably coupled to the flange fixing seat 18, and a third driving mechanism 19 transmission-connected to the two flange pressing heads 17. The third driving mechanism 19 is adapted to drive the two flange pressing heads 17 toward or away from each other.

[0078] The flange pressing head 17 is constructed as a U-shaped structure. The end of the U-shaped structure is provided with a first abutting chamfer tilted downward, and a second abutting chamfer is provided between the inner side and the end of the U-shaped structure to adapt to diamond-shaped, square and round flanges.

[0079] The flange positioning plate 15 is provided with a plurality of mounting holes 20 for flange hole positioning pins 16 , and flange hole positioning pins 16 of different specifications can be installed at different positions to adapt to flanges of different specifications.

[0080] Specifically, the flanges are available in circular, square, and diamond shapes, and the first and second abutment chamfers enable the clamping and securing of flanges of various shapes. Furthermore, the aforementioned structure of the first support member 6, the second support member 10, and the third support member 7 utilizes a flange center locating pin 14 to locate the center hole of the flange, a flange hole locating pin 16 to locate the angle of the flange, and a flange press 17 to further secure the flange, thereby ensuring a secure flange fixation.

[0081] In this embodiment, if Figure 5 As shown, the flange fixing seat 18 of the first support member 6 is engaged with the first slide 5. The flange fixing seat 18 of the second support member 10 is engaged with the second slide 11. The third support member 7 also includes a flange travel slide 13 that is slidably engaged with the first fixing seat 1. The flange fixing seat 18 of the third support member 7 is engaged with the flange travel slide 13. The first slide 5 is provided with a plurality of first positioning holes. The third support member 7 is adapted to be engaged with the first slide 5 through the first positioning holes. Specifically, the movable design of the third support member 7 can adapt to workpieces of a wider range of specifications.

[0082] By positioning and fixing the first support member 6 and the third support member 7 on the first slide 5, and positioning and fixing the second support member 10 on the second slide 11, the positioning accuracy between the flanges can be greatly improved, thereby improving production accuracy and making its production meet more precise requirements.

[0083] In other embodiments, the first supporting member 6 may be configured to be movably coupled to the first slide 5 , and the second supporting member 10 may be configured to be movably coupled to the second slide 11 , which is not specifically limited in the present invention.

[0084] On the basis of the above embodiment, in an optional embodiment of the present invention, as Figures 7 to 10 As shown, the first clamping member 24 and the floating clamping member 27 are movably engaged with the clamping base 32 to adapt to workpieces of different specifications.

[0085] The first clamping member 24 includes a third slide 25 movably engaged with the clamping base 32, and a first abutment 26 engaged with the third slide 25. The first abutment 26 is configured as a V-shaped structure.

[0086] The floating clamping member 27 includes a fourth slide 28 movably coupled to the clamping base 32, a telescopic member 29 coupled to the fourth slide 28, and a second abutment member 30 coupled to the telescopic member 29. The second abutment member 30 is configured as a V-shaped structure. The telescopic member 29 is configured as a pneumatic cylinder or an oil cylinder.

[0087] Specifically, the first clamping member 24 and the floating clamping member 27 can move up and down on the clamping base 32 to accommodate workpieces of varying heights. A V-shaped abutment allows for side contact with the pipe. The lugs securely secure the workpiece, allowing the workpiece to be rotated to any angle and raised to any height by turning into an assembly, allowing for welding and polishing by a worker or an automated welding robot.

[0088] On the basis of the above embodiment, in an optional embodiment of the present invention, as Figure 11 As shown, the clamping base 32 includes a first clamping seat 41 coupled to the shifting assembly 2, and a second clamping seat 42 hingedly connected to the first clamping seat 41. The second clamping seat 42 is configured to rotate around a hinge axis by a predetermined angle. At least one of the first clamping members 24 and / or at least one of the floating clamping members 27 is coupled to the second clamping seat 42 to shift positions and angles with the second clamping seat 42.

[0089] Preferably, the preset angle is 180 degrees. The first clamping member 24 and the floating clamping member 27 are movable between the first clamping seat 41 and the second clamping seat 42 .

[0090] On the basis of the above embodiment, in an optional embodiment of the present invention, as Figure 1 Figure 2 and Figure 6As shown, the flange assembly displacement device further includes a fourth supporting member 8 and a fifth supporting member 9.

[0091] The fourth supporting member 8 and the fifth supporting member 9 each include a fifth slide 21 movably coupled to the first fixed seat 1 , a sixth slide 22 movably coupled to the fifth slide 21 , and a support member 23 coupled to the sixth slide 22 .

[0092] The first slide 5 , the second slide 11 , and the fifth slide 21 move in the same direction. The sixth slide 22 moves in a direction perpendicular to the direction of movement of the fifth slide 21 .

[0093] The fourth and fifth support members 8 and 9 facilitate the securing of workpieces to the flange assembly positioning device. Specifically, the workpiece is placed on the fourth and fifth support members 8 and 9 and translated to engage the lifting lugs in the lifting lug slots 40. The lifting lugs are then secured using the lifting lug retaining members 31. This operation further simplifies the workpiece placement process, significantly improving production efficiency and achieving significant improvements.

[0094] In an optional embodiment of the present invention, based on the above embodiment, the first drive member 12 includes a first screw (not shown) rotatably coupled to the first fixed seat 1, and a first motor (not shown) transmission-connected to the screw. The first slide 5 and the second slide 11 are respectively coupled to the first screw and are configured to move closer to or farther from each other when the screw rotates. Preferably, the flange assembly displacement device further includes two laser marking assemblies 3, respectively coupled to the two displacement assemblies 2. The laser marking assemblies 3 are suitable for marking a reference line on a workpiece.

[0095] The flange assembly displacement device of the present invention can realize the integrated operation of workpiece clamping and flange assembly by integrating a multifunctional mechanism. The floating clamping component 27 in the device can be driven by at least two levels of pressure, and combined with the coordinated movement of the displacement component 2 and the slide, it can accurately correct the inner or outer deformation state of the workpiece to ensure the embedding accuracy of the pipe and the flange. At the same time, the ear limiting component 31 can adapt to ears of different thicknesses through the design of elastic parts and floating pins, avoiding the fall of the pad when clamping and releasing, and improving the clamping stability. The flange positioning adopts a combination of a quick-change mold and a large-hole positioning pin, and cooperates with the centering and clamping mechanism to control the center distance tolerance of the two flanges within ±0.1mm, the flatness and parallelism are controlled within ±0.5mm and 0.1mm respectively, and the verticality error does not exceed 3‰, which significantly improves the geometric accuracy of the flange assembly.

[0096] Obviously, the above detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but is merely a preferred embodiment of the present invention, not all embodiments, and is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and variations. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work, any modifications, equivalent substitutions, improvements, etc., are within the scope of protection of the present invention.

Claims

1. A flange assembly displacement device, characterized in that: The invention comprises: a first fixed seat (1), a first slide seat (5) and a second slide seat (11) connected to the first fixed seat (1), a first supporting member (6) connected to the first slide seat (5), a second supporting member (10) connected to the second slide seat (11), a first driving member (12) suitable for driving the first slide seat (5) and the second slide seat (11) to move closer to and away from each other, two displacement components (2) respectively connected to the two slide seats, and two clamping components (4) respectively connected to the two displacement components (2); the first supporting member (6) and the second supporting member (10) are suitable for positioning the fixed flange; The clamping assembly (4) comprises a clamping base (32) coupled to the displacement assembly (2), a first clamping member (24) coupled to the clamping base (32), and two floating clamping members (27); the clamping members are suitable for abutting against the pipe; the floating clamping members (27) are driven to expand and contract by pressure; The flange assembly and displacement device is suitable for performing the following assembly steps: Determine whether the pipes on both sides of the workpiece are in an inner or outer eight shape; When the inner eight shape is formed, the first floating clamping member (27) is driven by high pressure from the reset position, and the second floating clamping member (27) is driven by low pressure until the pipe fitting on one side is inserted into the flange; then, the two slides are driven close to each other, the first floating clamping member (27) is driven by low pressure, and the second floating mechanism is driven by high pressure until the pipe fitting on the other side is inserted into the flange; When the pipe is in an outward-facing eight shape, the two slides are driven away from the reset position and the two floating clamping members (27) are driven to extend until the pipe on one side is inserted into the flange; then, the two slides are continued to be driven away and the two floating clamping members (27) are driven to extend until the pipe on the other side is inserted into the flange; The return slide and the floating clamping member (27) move the flange to the preset position.

2. A flange assembly displacement device according to claim 1, characterized in that: The clamping assembly (4) further includes a lifting eye limiting member (31); The ear limiting member (31) comprises an ear base (34) coupled to the clamping base (32) and provided with an ear slot (40), and a first limiting pin (35) movably coupled to the ear base (34); the ear slot (40) is suitable for accommodating an ear provided with a hanging hole; and the first limiting pin is suitable for being inserted into the hanging hole located in the ear slot (40) to limit the ear from falling out of the ear slot (40).

3. A flange assembly displacement device according to claim 2, characterized in that: The ear base (34) is provided with a first pin hole (39); and a C-shaped hole (38) communicating with the first pin hole (39); the first limiting pin (35) is provided with a first pin portion (36) located in the first pin hole (39), and a first handle portion (37) extending outward from the first pin portion (36) through the C-shaped hole (38); The ear-limiting member (31) further comprises a first elastic member located between the ear base (34) and the first limiting pin (35); the first elastic member is adapted to drive the first handle portion (37) to be embedded in the end portion of the C-shaped hole (38) on one side close to the ear slot (40); The lifting ear limiting component (31) further includes a lifting ear pad (33); the lifting ear pad (33) is constructed as a U-shaped structure, and a spring pin is provided toward the inside of the U-shaped structure; the lifting ear pad (33) is suitable for being embedded in the lifting ear slot (40) and being sleeved on the first limiting pin (35); The number of the first clamping members (24) is two; the two floating clamping members (27) are located between the two first clamping members (24); and the lifting eye limiting assembly is located between the two floating clamping members (27).

4. The flange assembly displacement device according to claim 1, characterized in that: It also includes a third supporting member (7); the third supporting member (7) is slidably engaged with the first fixed seat (1) or the first sliding seat (5) to be suitable for adjusting the distance between the third supporting member (7) and the first supporting member (6).

5. The flange assembly displacement device according to claim 4, characterized in that: The first supporting member (6), the second supporting member (10) and the third supporting member (7) each include a flange fixing seat (18), a flange positioning plate (15) connected to the flange fixing seat (18) for supporting the flange, a flange center positioning pin (14) and a flange hole positioning pin (16) detachably connected to the flange positioning plate (15), two flange pressing heads (17) movably connected to the flange fixing seat (18), and a third driving member (19) transmission-connected to the two flange pressing heads (17); the third driving member (19) is suitable for driving the two flange pressing heads (17) to move closer to or away from each other; The flange pressing head (17) is constructed as a U-shaped structure; the end of the U-shaped structure is provided with a first abutting chamfer inclined downward, and a second abutting chamfer is provided between the inner side and the end of the U-shaped structure to adapt to diamond-shaped, square and circular flanges; The flange positioning plate (15) is provided with a plurality of mounting holes (20) for flange hole positioning pins (16), and flange hole positioning pins (16) of different specifications can be installed at different positions to adapt to flange plates of different specifications.

6. The flange assembly displacement device according to claim 5, characterized in that: The third supporting member (7) further comprises a flange travel slide (13) slidably engaged with the first fixing seat (1); the flange fixing seat (18) of the third supporting member (7) is engaged with the flange travel slide (13); the first slide (5) is provided with a plurality of first positioning holes; the third supporting member (7) is adapted to be engaged with the first slide (5) through the first positioning holes; The flange fixing seat (18) of the second supporting member (10) is engaged with the second sliding seat (11); The flange fixing seat (18) of the first supporting member (6) is engaged with the first sliding seat (5).

7. A flange assembly displacement device according to any one of claims 1 to 6, characterized in that: The first clamping member (24) and the floating clamping member (27) are movably engaged with the clamping base (32) to adapt to workpieces of different specifications; The first clamping member (24) comprises a third slide (25) movably engaged with the clamping base (32), and a first abutment member (26) engaged with the third slide (25); the first abutment member (26) is constructed as a V-shaped structure; The floating clamping member (27) comprises a fourth slide (28) movably engaged with the clamping base (32), a telescopic member (29) engaged with the fourth slide (28), and a second abutting member (30) engaged with the telescopic member (29); the second abutting member (30) is constructed as a V-shaped structure; The telescopic member (29) is constructed as an air cylinder or an oil cylinder.

8. A flange assembly displacement device according to any one of claims 1 to 6, characterized in that: The flange assembly displacement device further includes a fourth supporting member (8) and a fifth supporting member (9); The fourth supporting member (8) and the fifth supporting member (9) each comprise: a fifth slide seat (21) movably engaged with the first fixed seat (1), a sixth slide seat (22) movably engaged with the fifth slide seat (21), and a support member (23) engaged with the sixth slide seat (22); The first slide (5), the second slide (11), and the fifth slide (21) have the same moving direction; the moving direction of the sixth slide (22) is perpendicular to the moving direction of the fifth slide (21).

9. A flange assembly displacement device according to any one of claims 1 to 6, characterized in that: The first driving member (12) comprises a first screw rotatably engaged with the first fixed seat (1), and a first motor transmission-connected to the screw; the first slide (5) and the second slide (11) are respectively engaged with the first screw and are configured to move closer to or farther away from each other when the screw rotates; The flange assembly displacement device further comprises two laser marking assemblies (3) respectively coupled to the two displacement assemblies (2); the laser marking assemblies (3) are suitable for marking reference markings on a workpiece.

10. A flange assembly and displacement method, which is suitable for being performed by a flange assembly and displacement device according to any one of claims 1 to 9, characterized in that: The flange assembly displacement method includes: Determine whether the pipes on both sides of the workpiece are in an inner or outer eight shape; When the inner eight shape is formed, the first floating clamping member (27) is driven by high pressure from the reset position, and the second floating clamping member (27) is driven by low pressure until the pipe fitting on one side is inserted into the flange; then, the two slides are driven close to each other, the first floating clamping member (27) is driven by low pressure, and the second floating mechanism is driven by high pressure until the pipe fitting on the other side is inserted into the flange; When the pipe is in an outward-facing eight shape, the two slides are driven away from the reset position and the two floating clamping members (27) are driven to extend until the pipe on one side is inserted into the flange; then, the two slides are continued to be driven away and the two floating clamping members (27) are driven to extend until the pipe on the other side is inserted into the flange; The return slide and the floating clamping member (27) move the flange to the preset position.

Images