Auxiliary clamp for welding cross-flow wind wheel

Abstract

The utility model relates to the technical field of cross-flow wind wheel manufacturing, in particular to an auxiliary clamp for cross-flow wind wheel welding, which comprises two groups of mounting seats symmetrically arranged; a connecting side is arranged on one side of the mounting base, a clamping side is arranged on the other side of the mounting base, a connecting piece is fixedly mounted on the connecting side of the mounting base and used for being fixedly connected with the moving end of the welding machine, and a clamping piece is fixedly mounted on the clamping side of the mounting base and used for clamping the cross-flow fan blade; the clamping piece is provided with an arc-shaped clamping face, and the arc-shaped clamping face is matched with the surface of the cross-flow fan blade. The cross-flow fan blade welding clamp has the effect of improving the clamping stability of the clamp on the cross-flow fan blade in the welding process.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of manufacturing of a through-flow wind wheel, in particular to an auxiliary clamp for welding a through-flow wind wheel. BACKGROUND

[0002] A through-flow wind wheel, also known as a paddle-type wind wheel, mainly comprises a wind wheel frame, a shaft, paddles and the like. When wind passes through the paddles, pressure is generated on the paddles, thereby driving the entire wheel to rotate. In this type of wind wheel, the wheel is usually fixed, and the paddles are directly fixed on the shaft to rotate.

[0003] A supporting mechanism for welding a lifting-type through-flow fan blade is disclosed in Chinese Patent Application No. CN216330204U, which comprises a four-column positioning mechanism, two adjusting columns, two clamping columns, two rotating shafts, two pushing columns, a plurality of curved rods and a plurality of cylinders.

[0004] In view of the related art described above, the four-column positioning mechanism is used to position the through-flow wind wheel, and uneven clamping of the through-flow fan blade is prone to occur during clamping of the through-flow fan blade, thereby causing local deformation of the through-flow fan blade and uneven welding surface, which affects the welding quality. SUMMARY

[0005] In order to improve the stability of the clamp in clamping the through-flow fan blade during welding, the application provides an auxiliary clamp for welding a through-flow wind wheel.

[0006] The auxiliary clamp for welding a through-flow wind wheel provided by the application adopts the following technical solution:

[0007] An auxiliary clamp for welding a through-flow wind wheel comprises a mounting seat, the mounting seat is symmetrically provided with two groups;

[0008] One side of the mounting seat is provided as a connecting side, and the other side is provided as a clamping side. The connecting side of the mounting seat is fixedly provided with a connecting piece, which is used to be fixedly connected with a moving end of a welding machine. The clamping side of the mounting seat is fixedly provided with a clamping piece, which is used to clamp a through-flow fan blade.

[0009] The clamping piece is provided with an arc-shaped clamping surface, which is matched with the surface of the through-flow fan blade.

[0010] By adopting the above technical solution, during welding of the through-flow wind wheel, the arc-shaped clamping surface of the clamping piece is matched with the surface of the through-flow wind wheel, so that the two symmetrical clamping pieces clamp the through-flow wind wheel, which can make the clamping force of the clamp on the through-flow wind wheel more uniform during welding, thereby improving the stability of the clamp in clamping the through-flow wind wheel, and further improving the welding quality of the through-flow wind wheel.

[0011] Optionally, the connecting pieces are provided in plurality, and the connecting pieces are fixedly installed at two ends of the mounting seat.

[0012] By adopting the above technical scheme, the plurality of connecting pieces can make the mounting seat receive the force of the moving end of the welding machine more uniformly, thereby ensuring that the clamping piece has a more uniform clamping force on the cross-flow fan.

[0013] Optionally, the mounting seat is provided with a synchronous rod, and two ends of the synchronous rod are fixedly connected with the connecting pieces at two ends of the mounting seat.

[0014] By adopting the above technical scheme, the synchronous rod can improve the synchronization of the movement of the two ends of the mounting seat, thereby further improving the uniformity of the clamping force.

[0015] Optionally, the mounting seat is provided with a plurality of locking pieces along the length direction, the clamping side of the mounting seat is provided with an assembly groove, the clamping piece is connected and installed in the assembly groove, and the locking piece is used for locking the clamping piece.

[0016] By adopting the above technical scheme, the locking piece and the assembly groove can realize the installation and disassembly of the clamping piece, thereby enabling the clamp to adapt to the clamping of cross-flow fans of various models and radii.

[0017] Optionally, a disassembly hole is formed through the clamping side of the mounting seat.

[0018] By adopting the above technical scheme, the disassembly hole is beneficial to the disassembly of the clamping piece.

[0019] Optionally, a buffer protection layer is attached to the arc-shaped clamping surface of the clamping piece.

[0020] By adopting the above technical scheme, the buffer protection layer can protect the surface of the cross-flow fan blade during clamping.

[0021] Optionally, an auxiliary support assembly is installed on the arc-shaped clamping surface of the clamping piece.

[0022] By adopting the above technical scheme, the auxiliary support assembly can achieve auxiliary support of the cross-flow fan blade, thereby improving the welding stability of the cross-flow fan blade during welding and reducing the deformation of the middle part caused by the extrusion of the whole cross-flow fan at both ends.

[0023] Optionally, the auxiliary support assembly comprises an auxiliary support block, a connecting rod and a reset member, one end of the connecting rod is fixed with the auxiliary support block, the other end of the connecting rod is fixedly connected with the reset member, the reset member is installed in the clamping member, and the connecting rod is rotatably installed in the clamping member; the arc clamping surface of the clamping member is provided with a receiving groove for receiving the auxiliary support block; the auxiliary support block is used for supporting the cross-flow fan blade inside the clamping member; the connecting rod is used for driving the auxiliary support block to swing between the clamping member and the receiving groove; and the reset member is used for resetting the auxiliary support block inside the clamping member to support the cross-flow fan blade.

[0024] By adopting the above technical scheme, the auxiliary support block can assist in supporting the cross-flow fan blade during welding, thereby improving the stability of the cross-flow fan blade during welding; when the welding is completed, the reset member is unlocked, the connecting rod drives the auxiliary support block to move into the receiving groove, thereby accommodating the auxiliary support block, ensuring the normal movement of the cross-flow fan blade after welding, and after the movement is completed, the reset member drives the auxiliary support block to move back to support the new cross-flow fan blade, thereby realizing the supporting effect of the auxiliary support assembly on the cross-flow fan blade.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] 1. During the welding of the cross-flow fan, the arc clamping surface of the clamping member is arranged to be in close contact with the surface of the cross-flow fan, so that the two stacked clamping members can tighten the cross-flow fan, the clamping force of the clamp on the cross-flow fan during welding is more uniform, thereby improving the stability of the clamp on the cross-flow fan, and further improving the quality of the welding of the cross-flow fan;

[0027] 2. The arrangement of the locking member and the assembly groove can realize the installation and disassembly of the clamping member, so that the clamp can adapt to the clamping of cross-flow fans of various models and radii;

[0028] 3. The arrangement of the disassembly hole is conducive to the disassembly of the clamping member;

[0029] 4. The arrangement of the buffer protection layer can protect the surface of the cross-flow fan blade during clamping;

[0030] 5. The arrangement of the auxiliary support assembly can realize the auxiliary support of the cross-flow fan blade, improve the welding stability of the cross-flow fan blade during welding, and reduce the deformation of the middle part caused by the extrusion of the whole cross-flow fan at both ends. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a schematic view of the overall structure of an auxiliary clamp for welding a cross-flow fan in Example 1.

[0032] Figure 2 is another view of the overall structure of the auxiliary fixture for the cross-flow wind wheel welding in embodiment one.

[0033] Figure 3 is a schematic view of the internal structure of the auxiliary fixture for the cross-flow wind wheel welding in embodiment two.

[0034] BRIEF DESCRIPTION OF THE DRAWINGS

[0035] 1, mounting seat; 101, connecting side; 102, clamping side; 2, connecting piece; 21, wing; 3, clamping piece; 4, synchronization rod; 5, locking piece; 6, dismounting hole; 7, buffer protection layer; 8, auxiliary support assembly; 81, auxiliary support block; 82, connecting rod; 83, reset piece; 831, reset slider; 8311, extension; 832, reset spring. DETAILED DESCRIPTION

[0036] The following will be combined with the accompanying Figures 1-3 Further detailed description of the present application.

[0037] Embodiment one

[0038] The embodiment of the present application discloses an auxiliary fixture for cross-flow wind wheel welding. Referring to Figure 1 An auxiliary fixture for cross-flow wind wheel welding includes a mounting seat 1, and the mounting seat 1 is symmetrically provided with two groups. One side of the mounting seat 1 is set as a connecting side 101, and the other side of the mounting seat 1 is set as a clamping side 102. The connecting side 101 of the mounting seat 1 is fixedly installed with a connecting piece 2, and the connecting piece 2 is used for fixedly connecting with a moving end of a welding machine. The clamping side 102 of the mounting seat 1 is fixedly installed with a clamping piece 3, and the clamping piece 3 is used for clamping a cross-flow wind blade.

[0039] In the process of welding the cross-flow wind blade, first, the mounting seat 1 needs to be fixed in the welding machine applied to the cross-flow wind blade welding through the connecting piece 2, and then the clamping piece 3 of the clamping side 102 of the mounting seat 1 is set, and the symmetrical two clamping pieces 3 are used for clamping the cross-flow wind blade, so that the fixation of the cross-flow wind blade in the welding process is realized.

[0040] Referring to Figure 1 In the embodiment, the connecting piece 2 is a connecting block, the connecting block is fixedly installed on the connecting side 101 of the mounting seat 1 through bolts, and the side of the connecting block away from the mounting seat 1 is provided with a wing 21, and the connecting block is fixedly connected with the moving block of the welding machine through the wing 21.

[0041] Further, a plurality of connecting blocks are arranged, and the connecting blocks are fixedly installed at two ends of the mounting seat 1. The connecting blocks arranged at the two ends of the mounting seat 1 can make the mounting seat 1 receive the force of the moving end of the welding machine more uniformly, so as to ensure that the clamping piece 3 has a more uniform clamping force on the cross-flow wind wheel.

[0042] With reference to Figure 1 , the mounting base 1 is provided with a synchronous rod 4, and the two ends of the synchronous rod 4 are fixedly connected with the side wings 21 of the connecting blocks located at the two ends of the mounting base 1. Thus, the synchronization of the movement of the two ends of the mounting base 1 can be further improved, and the uniformity of the clamping force can be further improved.

[0043] With reference to Figure 1 , the mounting base 1 is provided with a plurality of locking pieces 5 along the length direction, and the clamping side 102 of the mounting base 1 is provided with an assembly groove, and the clamping piece 3 is clamped and mounted in the assembly groove, and the locking piece 5 is used for locking the clamping piece 3.

[0044] In this embodiment, the locking piece 5 is a locking bolt, which is used for locking the clamping piece 3.

[0045] The clamping piece 3 is provided with an arc-shaped clamping surface, and the arc-shaped clamping surface is matched with the surface of the cross-flow fan blade.

[0046] In the process of welding the cross-flow fan, the arc-shaped clamping surfaces of different clamping pieces 3 are matched with the surfaces of cross-flow fans of different specifications, so that the two symmetrical clamping pieces 3 clamp the cross-flow fan, and the clamping force of the clamp on the cross-flow fan is more uniform during welding, which can improve the stability of the clamp clamping the cross-flow fan and improve the quality of welding the cross-flow fan.

[0047] With reference to Figure 2 , the connecting side 101 of the mounting base 1 is provided with a dismounting hole 6 penetrating through the clamping side 102. In this embodiment, the dismounting hole 6 is provided with a plurality of, specifically two, and the two dismounting holes 6 are distributed on the side surface of the mounting base 1. The dismounting hole 6 can facilitate the dismounting of the clamping piece 3, and during the installation process, the clamping piece 3 can be ensured to be matched with the installation groove, and the air between the clamping piece 3 and the installation groove is reduced, so that the clamping piece 3 cannot be matched in place, and the clamping effect of the clamping piece 3 on the cross-flow fan is affected.

[0048] Embodiment two

[0049] The difference between this embodiment and embodiment one is that, with reference to Figure 3 , an auxiliary clamp for welding a cross-flow fan is disclosed, which comprises a buffer protection layer 7 fixedly arranged on the arc-shaped clamping surface of the clamping piece 3. In this embodiment, the buffer protection layer 7 can be made of flexible materials such as rubber materials and sponge materials, and is preferably made of sponge material.

[0050] With reference to Figure 3The arc-shaped clamping surface is provided with an auxiliary supporting assembly 8. The auxiliary supporting assembly 8 comprises an auxiliary supporting block 81, a connecting rod 82 and a reset member 83. The auxiliary supporting block 81 is fixed to one end of the connecting rod 82, the other end of the connecting rod 82 is fixedly connected with the reset member 83, the reset member 83 is installed in the clamping piece 3, the connecting rod 82 is rotatably installed in the clamping piece 3, the arc-shaped clamping surface of the clamping piece 3 is provided with a receiving groove for receiving the auxiliary supporting block 81, the auxiliary supporting block 81 is used for supporting the cross-flow fan wheel inside the clamping piece 3, the connecting rod 82 is used for driving the auxiliary supporting block 81 to swing between the clamping piece 3 and the receiving groove, and the reset member 83 is used for resetting the auxiliary supporting block 81 inside the clamping piece 3 to support the cross-flow fan blade.

[0051] With reference to Figure 3 In the embodiment, the reset member 83 is a reset sliding block 831, a sliding cavity is formed in the clamping piece 3 in the vertical direction, and the reset sliding block 831 is vertically slidably installed in the sliding cavity. The bottom of the sliding cavity is provided with a reset spring 832, the other end of the reset spring 832 is abutted with the bottom of the reset sliding block 831, and the elastic force direction of the reset spring 832 is the same as the sliding direction of the reset sliding block 831. The top of the reset sliding block 831 is provided with an extension part 8311 which extends out of the top of the clamping piece 3. The welding machine is provided with a pushing cylinder and a sensor for pushing the extension part 8311.

[0052] With reference to Figure 3 The connecting rod 82 is rotatably installed in the clamping piece 3, and the clamping piece 3 is provided with an inner cavity for rotation of the connecting rod 82. One end of the connecting rod 82 is fixedly connected with the side wall of the reset sliding block 831, and the other end of the connecting rod 82 is fixedly connected with the auxiliary supporting block 81.

[0053] When the sensor senses that the welding end of the welding machine leaves the welding station, the extension end of the pushing cylinder is started and pushes the extension part 8311, and the extension part 8311 drives the reset sliding block 831 to slide downward. At this time, the reset sliding block 831 drives the auxiliary supporting block 81 to swing through the connecting rod 82, so that the auxiliary supporting block 81 moves into the receiving groove for storage, and then the cross-flow fan wheel can be moved. When the movement is completed, the extension end of the pushing cylinder is retracted, and under the elastic force of the reset spring 832, the reset sliding block 831 drives the auxiliary supporting block 81 to swing outward through the connecting rod 82 to support the new cross-flow fan blade, so as to realize the supporting effect of the auxiliary supporting assembly 8 on the cross-flow fan blade, improve the welding stability of the cross-flow fan blade, and reduce the deformation of the middle part caused by the extrusion of the whole cross-flow fan wheel at both ends.

[0054] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An auxiliary jig for use in the welding of a cross-flow wind wheel, characterized by: The mounting seat (1) is symmetrically provided with two groups; One side of the mounting seat (1) is provided as a connecting side (101), and the other side is provided as a clamping side (102). The connecting side (101) of the mounting seat (1) is fixedly provided with a connecting piece (2) for fixed connection with a moving end of a welding machine. The clamping side (102) of the mounting seat (1) is fixedly provided with a clamping piece (3) for clamping a cross-flow fan blade. The clamping piece (3) is provided with an arc-shaped clamping surface which is matched with the surface of the cross-flow fan blade.

2. The auxiliary fixture for welding a cross-flow wind turbine according to claim 1, characterized in that: The connecting piece (2) is provided with a plurality of connecting pieces (2) which are respectively fixedly installed at both ends of the mounting seat (1).

3. The auxiliary fixture for welding a cross-flow wind turbine according to claim 2, characterized in that: The mounting seat (1) is provided with a synchronous rod (4) which is fixedly connected with the connecting pieces (2) at both ends of the mounting seat (1).

4. The auxiliary fixture for welding a cross-flow wind turbine according to claim 1, characterized in that: The mounting seat (1) is provided with a plurality of locking pieces (5) along the length direction. The clamping side (102) of the mounting seat (1) is provided with an assembly groove. The clamping piece (3) is connected and installed in the assembly groove. The locking piece (5) is used for locking the clamping piece (3).

5. The auxiliary fixture for welding a cross-flow wind turbine blade according to claim 4, wherein: The connecting side (101) of the mounting seat (1) is provided with a dismounting hole (6) which penetrates through the clamping side (102).

6. The auxiliary fixture for welding a cross-flow wind turbine blade according to claim 1, wherein: The arc-shaped clamping surface of the clamping piece (3) is provided with a buffer protection layer (7).

7. The auxiliary fixture for welding a cross-flow wind turbine blade according to claim 1, wherein: The arc-shaped clamping surface of the clamping piece (3) is provided with an auxiliary supporting assembly (8).

8. The auxiliary fixture for welding a cross-flow wind turbine according to claim 7, characterized in that: The auxiliary supporting assembly (8) comprises an auxiliary supporting block (81), a connecting rod (82) and a reset piece (83). The auxiliary supporting block (81) is fixed at one end of the connecting rod (82). The other end of the connecting rod (82) is fixedly connected with the reset piece (83). The reset piece (83) is installed in the clamping piece (3). The connecting rod (82) is rotatably installed in the clamping piece (3). The arc-shaped clamping surface of the clamping piece (3) is provided with a receiving groove for receiving the auxiliary supporting block (81). The auxiliary supporting block (81) is used for supporting the cross-flow fan blade inside the clamping piece (3). The connecting rod (82) is used for swinging the auxiliary supporting block (81) between the clamping piece (3) and the receiving groove. The reset piece (83) is used for resetting the auxiliary supporting block (81) inside the clamping piece (3) to support the cross-flow fan blade.

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