Fixing device for fan blade welding

Abstract

The utility model discloses a fixing device for fan blade welding, which belongs to the technical field of fan production and processing, and is characterized in that the fixing device comprises a working table, and a rotary working table is arranged on the rear side of the bottom of the working table; by arranging a workbench, a rotary workbench, a positioning rotary disc, a circular groove, a convex column, a convex block, an XZ-axis moving mechanism, a lifting table, a clamping assembly and a buffering assembly, a fixing base for fan blade welding is placed on the positioning rotary disc of the rotary workbench, and then the included angle of the top end of the blade is placed in a pressure buffering plate in the clamping assembly; then the clamping assembly drives the slow pressing plate on the inner side to clamp the blade, positioning and clamping of the blade are completed, and in the process, the telescopic pipe located on the outer side of the slow pressing plate is matched with the spring to retract when the slow pressing plate clamps the blade, so that the buffering effect is achieved, and the situation that the clamping assembly clamps the blade is damaged due to pressure is avoided; therefore, the overall quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of fan production and processing, in particular to a fixing device for welding fan blades. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine, and the fan blade part of the fan is mainly composed of a fixed seat and multiple blades. During production, multiple blades need to be welded to the fixed seat in a circular array to form a fan blade.

[0003] At present, a Chinese utility model with announcement number: CN213135693U discloses a fan blade welding and fixing device, which relates to a fan blade welding and fixing device, including a workbench, a rotary workbench and an XZ-axis moving mechanism are connected to the workbench, and the XZ-axis moving mechanism is located on one side of the rotary workbench; a positioning turntable is connected to the rotary workbench, and a blade positioning clamping mechanism is connected to the moving table of the XZ-axis moving mechanism; the blade positioning clamping mechanism comprises a lower clamping plate, an upper clamping plate and a clamping cylinder; the lower clamping plate and the clamping cylinder are fixed on the moving table of the XZ-axis moving mechanism, and the upper clamping plate is connected to the piston rod of the clamping cylinder; a side alignment plate is provided at one end of the lower clamping plate close to the clamping cylinder, and an upper alignment plate is provided at the top of the side alignment plate. In this utility model, the blade positioning clamping mechanism clamps the blades in cooperation with the rotary workbench to drive the fixed seat to rotate at equal angles for coordinated fixed welding, so that multiple blades can be automatically positioned and fixed on the fixed seat in turn, without manual marking, thereby improving welding efficiency and reducing labor intensity.

[0004] According to the above patent, when the existing fan blade welding fixing device positions its blades, the positioning and clamping mechanism used can clamp the blades, and then cooperate with the rotary worktable to drive the fixed seat to rotate at equal angles for coordinated fixed welding, so that multiple blades are automatically positioned and fixed on the fixed seat in turn. However, its positioning clamping machine does not have a buffer structure, which can easily lead to excessive force when automatically clamping the blades, causing pressure loss to the blades, thereby reducing its overall quality and indirectly affecting processing and use. Therefore, the above patent is improved based on the problems raised. Utility Model Content

[0005] The utility model provides a fixing device for welding fan blades, aiming to solve the problem that when the existing fixing device for welding fan blades is used to position its blades, the positioning and clamping mechanism adopted can clamp the blades, and then can cooperate with the rotary worktable to drive the fixing seat to rotate at equal angles for coordinated fixing welding, so that a plurality of blades are automatically positioned and fixed on the fixing seat in turn, but the positioning and clamping machine thereof does not have a buffer structure, which easily leads to excessive force when automatically clamping the blades, resulting in pressure loss on the blades, thereby reducing the overall quality and indirectly affecting the processing and use.

[0006] The utility model is implemented as follows: a fixing device for welding fan blades comprises a workbench, a rotary workbench is arranged at the rear side of the bottom of the workbench, the output end of the rotary workbench passes through the bottom of the workbench, a positioning rotary disk is bolted to the output end of the rotary workbench, a circular groove is arranged on the top of the positioning rotary disk, a convex column is fixedly connected inside the circular groove, a convex block is fixedly connected to the front side of the convex column, an XZ axis moving mechanism is arranged at the front side of the top of the workbench, the XZ axis moving mechanism adopts an XZ axis servo linear module, a lifting platform is arranged on the right side of the XZ axis moving mechanism, a clamping assembly is arranged on the right side of the lifting platform, and a buffer assembly is arranged on the inner side of the clamping assembly;

[0007] The buffer assembly includes a telescopic tube, a pressure relief plate and a spring. The telescopic tube is fixedly connected to the inner side of the clamping assembly, the pressure relief plate is fixedly connected to the inner side of the telescopic tube, the spring is sleeved on the outer side of the telescopic tube, and the outer side of the spring contacts the inner side of the clamping assembly.

[0008] In order to achieve the effect of automatically clamping the blades, as a preferred fixing device for welding fan blades of the utility model, the clamping assembly includes an electric push rod, a left pressure plate and a right pressure plate, the electric push rod is embedded in the right side of the lifting platform, the left pressure plate is bolted to the telescopic end of the electric push rod, the right pressure plate is bolted to the right side of the lifting platform, the right pressure plate is located on the left side of the left pressure plate, the inner sides of the left pressure plate and the right pressure plate are fixedly connected to the outer side of the telescopic tube, and the inner sides of the left pressure plate and the right pressure plate are in contact with the outer side of the spring.

[0009] In order to support the workbench to achieve stability during processing, as a preferred fixing device for welding fan blades of the utility model, the four corners of the bottom of the workbench are bolted with support rods, and the bottom of the support rods is welded with a base plate.

[0010] In order to achieve the effect of further buffering when the pressure relief plate is lifted to clamp the blades, as a preferred fixing device for fan blade welding of the utility model, an anti-wear pad is bonded to the inner side of the pressure relief plate, and the anti-wear pad is made of rubber material.

[0011] In order to further enhance the anti-slip performance of the inner side of the anti-wear pad, as a preferred fixing device for welding fan blades of the utility model, the inner side of the anti-wear pad is provided with anti-slip textures, and the anti-slip textures are in a grid shape.

[0012] In order to further enhance the stability of the left pressure plate during mobile clamping, as a preferred fixing device for fan blade welding of the utility model, the top and bottom of the left side of the left pressure plate are fixedly connected with auxiliary sliding rods, and the left side of the auxiliary sliding rod passes through the right side of the lifting platform.

[0013] In order to facilitate the storage and placement of processing tools, as a preferred fixing device for welding fan blades of the utility model, a placement box is bolted to the right side of the front side of the workbench, and the interior of the placement box is a cavity.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The fan blade welding fixture is provided with a workbench, a rotary workbench, a positioning rotary disk, a circular groove, a convex column, a convex block, an XZ axis moving mechanism, a lifting platform, a clamping assembly and a buffer assembly. A fixing seat for welding the fan blade is placed on the positioning rotary disk of the rotary workbench, and then the top angle of the blade is placed in the pressure relief plate inside the clamping assembly. Then the clamping assembly drives the inner pressure relief plate to clamp the blade to complete the positioning and clamping of the blade. During this process, the telescopic tube located on the outer side of the pressure relief plate cooperates with the spring to retract when the pressure relief plate clamps the blade, so as to achieve a buffering effect and avoid pressure loss when the clamping assembly clamps the blade, thereby ensuring the overall Quality, which is indirectly beneficial to processing and use. Then the XZ-axis moving mechanism drives the clamping assembly on the front side of the lifting platform and the blade clamped by the pressure relief plate to move and contact with the fixed seat for fixation before welding, and then welding is carried out. After welding is completed, the clamping assembly drives the pressure relief plate to loosen the clamping of the blade, and the rotary table drives the fixed seat to rotate 2-6 degrees to make way, and then returns to the loading position driven by the XZ-axis moving mechanism. Then the clamping assembly carries the pressure relief plate to continue to position and clamp the next blade. At the same time, the rotary table drives the fixed seat on the top of the positioning turntable to rotate to the next welding angle, and then repeats the above operations until all the blades are welded, so as to assemble them into fan blades for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structural diagram of the fan blade welding fixing device of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the XZ axis moving mechanism in the utility model;

[0018] Figure 3For the utility model Figure 1 A magnified schematic diagram;

[0019] Figure 4 It is a structural schematic diagram of the clamping assembly in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the buffer component in the utility model.

[0021] In the figure, 1. workbench; 2. rotary workbench; 3. positioning turntable; 4. circular groove; 5. boss; 6. bump; 7. XZ axis moving mechanism; 8. lifting platform; 9. clamping assembly; 901. electric push rod; 902. left pressure plate; 903. right pressure plate; 10. buffer assembly; 1001. telescopic tube; 1002. pressure buffer plate; 1003. spring; 11. support rod; 12. bottom plate; 13. anti-wear pad; 14. auxiliary slide rod; 15. placement box. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0024] See also Figure 1-5 The utility model provides a technical solution: a fixing device for welding fan blades, comprising a workbench 1, a rotary workbench 2 is arranged at the rear side of the bottom of the workbench 1, the output end of the rotary workbench 2 passes through the bottom of the workbench 1, a positioning rotary disk 3 is bolted to the output end of the rotary workbench 2, a circular groove 4 is opened on the top of the positioning rotary disk 3, a convex column 5 is fixedly connected inside the circular groove 4, a convex block 6 is fixedly connected to the front side of the convex column 5, an XZ axis moving mechanism 7 is arranged on the front side of the top of the workbench 1, the XZ axis moving mechanism 7 adopts an XZ axis servo linear module, a lifting platform 8 is arranged on the right side of the XZ axis moving mechanism 7, a clamping assembly 9 is arranged on the right side of the lifting platform 8, and a buffer assembly 10 is arranged on the inner side of the clamping assembly 9;

[0025] The buffer assembly 10 includes a telescopic tube 1001, a pressure relief plate 1002 and a spring 1003. The telescopic tube 1001 is fixedly connected to the inner side of the clamping assembly 9, the pressure relief plate 1002 is fixedly connected to the inner side of the telescopic tube 1001, and the spring 1003 is sleeved on the outer side of the telescopic tube 1001. The outer side of the spring 1003 contacts the inner side of the clamping assembly 9.

[0026] In this embodiment: by arranging a workbench 1, a rotary workbench 2, a positioning turntable 3, a circular groove 4, a boss 5, a bump 6, an XZ axis moving mechanism 7, a lifting platform 8, a clamping assembly 9 and a buffer assembly 10, a fixing seat for welding the fan blades is placed on the positioning turntable 3 of the rotary workbench 2, and then the top angle of the blade is placed in the pressure relief plate 1002 inside the clamping assembly 9, and then the clamping assembly 9 drives the inner pressure relief plate 1002 to clamp the blade to complete the positioning and clamping of the blade. In this process, the telescopic tube 1001 located on the outer side of the pressure relief plate 1002 cooperates with the spring 1003 to retract when the pressure relief plate 1002 clamps the blade, so as to achieve a buffering effect and avoid pressure loss when the clamping assembly 9 clamps the blade. Thereby ensuring the overall quality and indirectly facilitating processing and use, the XZ-axis moving mechanism 7 then drives the clamping assembly 9 on the front side of the lifting platform 8 and the blade clamped by the pressure relief plate 1002 to move and contact with the fixed seat for fixation before welding, and then welding is performed. After welding is completed, the clamping assembly 9 drives the pressure relief plate 1002 to loosen the clamping of the blade, and the rotary table 1 drives the fixed seat to rotate 2-6 degrees to make way, and then returns to the loading position driven by the XZ-axis moving mechanism 7, and then the clamping assembly 9 carries the pressure relief plate 1002 to continue to position and clamp the next blade, and at the same time the rotary table 2 drives the fixed seat on the top of the positioning turntable 3 to rotate to the next welding angle, and then repeats the above operation until all the blades are welded, so as to assemble them into fan blades for use.

[0027] As a technical optimization solution of the utility model, the clamping assembly 9 includes an electric push rod 901, a left pressure plate 902 and a right pressure plate 903. The electric push rod 901 is embedded in the right side of the lifting platform 8, the left pressure plate 902 is bolted to the telescopic end of the electric push rod 901, the right pressure plate 903 is bolted to the right side of the lifting platform 8, and the right pressure plate 903 is located on the left side of the left pressure plate 902. The inner sides of the left pressure plate 902 and the right pressure plate 903 are fixedly connected to the outer side of the telescopic tube 1001, and the inner sides of the left pressure plate 902 and the right pressure plate 903 are in contact with the outer side of the spring 1003.

[0028] In this embodiment: by setting an electric push rod 901, a left pressure plate 902 and a right pressure plate 903, the fixing seat for welding the fan blades is placed on the positioning turntable 3 of the rotary workbench 2, and then the top angle of the blade is placed in the pressure relief plate 1002 inside the left pressure plate 902 and the right pressure plate 903. Then the electric push rod 901 retracts to drive the pressure relief plate 1002 on the inner side of the left pressure plate 902 to clamp the blade. During this process, the telescopic tube 1001 located on the outside of the pressure relief plate 1002 cooperates with the spring 1003 to retract when the pressure relief plate 1002 clamps the blade, so as to achieve a buffering effect and avoid pressure loss when the clamping assembly 9 clamps the blade, thereby ensuring the overall quality.

[0029] As a technical optimization solution of the present invention, support rods 11 are bolted to the four corners of the bottom of the workbench 1 , and a bottom plate 12 is welded to the bottom of the support rods 11 .

[0030] In this embodiment, by providing a support rod 11, the workbench 1 can be supported to achieve a stable effect during processing, which is convenient for use.

[0031] As a technical optimization solution of the present invention, an anti-wear pad 13 is bonded to the inner side of the pressure relief plate 1002, and the anti-wear pad 13 is made of rubber material.

[0032] In this embodiment, by providing the anti-wear pad 13, the pressure relief plate 1002 can be lifted to further provide a buffering effect when clamping the blades, so as to facilitate use.

[0033] As a technical optimization solution of the present invention, the inner side of the anti-wear pad 13 is provided with anti-skid patterns, and the anti-skid patterns are in a grid shape.

[0034] In this embodiment, a grid-shaped anti-skid pattern is provided on the inner side of the anti-skid pad 13 , so as to further improve the anti-skid performance of the inner side of the anti-skid pad 13 .

[0035] As a technical optimization solution of the present invention, the top and bottom of the left side of the left pressure plate 902 are fixedly connected with an auxiliary sliding rod 14, and the left side of the auxiliary sliding rod 14 passes through the right side of the lifting platform 8.

[0036] In this embodiment, the auxiliary sliding rod 14 is provided to further enhance the stability of the left pressure plate 902 during movement and clamping, so as to facilitate use.

[0037] As a technical optimization solution of the present invention, a placement box 15 is bolted to the right side of the front side of the workbench 1, and the interior of the placement box 15 is a cavity.

[0038] In this embodiment, by providing a placement box 15, it is possible to achieve the effect of accommodating and placing processing tools for easy use.

[0039] Working principle: First, place the fixing seat for welding the fan blades on the positioning turntable 3 of the rotary workbench 2, then place the top angle of the blade in the pressure relief plate 1002 inside the left pressure plate 902 and the right pressure plate 903, then the electric push rod 901 retracts to drive the pressure relief plate 1002 inside the left pressure plate 902 to clamp the blade. In this process, the telescopic tube 1001 located on the outside of the pressure relief plate 1002 cooperates with the spring 1003 to retract when the pressure relief plate 1002 clamps the blade, so as to achieve a buffering effect and avoid pressure loss when the clamping assembly 9 clamps the blade, thereby ensuring the overall quality, and then the left pressure plate 902 and the right pressure plate 903 on the front side of the lifting platform 8 are driven by the XZ-axis moving mechanism 7. The blades clamped by the pressure plate 903 and the pressure relief plate 1002 move and contact with the fixed seat to be fixed before welding, and then welding is carried out. After welding is completed, the electric push rod 901 drives the pressure relief plate 1002 on the inner side of the left pressure plate 902 to loosen the clamping of the blades, and the rotary table 1 drives the fixed seat to rotate 2-6 degrees to make way, and then returns to the loading position driven by the XZ-axis moving mechanism 7, and then the electric push rod 901 retracts the left pressure plate 902 again and carries the pressure relief plate 1002 to continue to position and clamp the next blade. At the same time, the rotary table 2 drives the fixed seat on the top of the positioning turntable 3 to rotate to the next welding angle, and then repeats the above operation until all the blades are welded, so as to assemble them into fan blades for use.

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fan blade welding fixing device, comprising a workbench (1), Features: A rotary workbench (2) is arranged at the rear side of the bottom of the workbench (1), the output end of the rotary workbench (2) passes through the bottom of the workbench (1), the output end of the rotary workbench (2) is bolted with a positioning rotary disk (3), a circular groove (4) is arranged on the top of the positioning rotary disk (3), a convex column (5) is fixedly connected inside the circular groove (4), a convex block (6) is fixedly connected to the front side of the convex column (5), an XZ axis moving mechanism (7) is arranged on the front side of the top of the workbench (1), the XZ axis moving mechanism (7) adopts an XZ axis servo linear module, a lifting platform (8) is arranged on the right side of the XZ axis moving mechanism (7), a clamping assembly (9) is arranged on the right side of the lifting platform (8), and a buffer assembly (10) is arranged on the inner side of the clamping assembly (9); The buffer assembly (10) comprises a telescopic tube (1001), a pressure relief plate (1002) and a spring (1003); the telescopic tube (1001) is fixedly connected to the inner side of the clamping assembly (9); the pressure relief plate (1002) is fixedly connected to the inner side of the telescopic tube (1001); the spring (1003) is sleeved on the outer side of the telescopic tube (1001); and the outer side of the spring (1003) contacts the inner side of the clamping assembly (9).

2. A fan blade welding fixing device according to claim 1, Features: The clamping assembly (9) comprises an electric push rod (901), a left pressure plate (902) and a right pressure plate (903); the electric push rod (901) is embedded in the right side of the lifting platform (8); the left pressure plate (902) is bolted to the telescopic end of the electric push rod (901); the right pressure plate (903) is bolted to the right side of the lifting platform (8); the right pressure plate (903) is located on the left side of the left pressure plate (902); the inner sides of the left pressure plate (902) and the right pressure plate (903) are fixedly connected to the outer side of the telescopic tube (1001); and the inner sides of the left pressure plate (902) and the right pressure plate (903) are in contact with the outer side of the spring (1003).

3. A fan blade welding fixing device according to claim 1, Features: The four corners of the bottom of the workbench (1) are bolted with support rods (11), and the bottom of the support rods (11) is welded with a bottom plate (12).

4. A fan blade welding fixing device according to claim 1, Features: An anti-wear pad (13) is bonded to the inner side of the pressure relief plate (1002), and the anti-wear pad (13) is made of rubber material.

5. A fan blade welding fixing device according to claim 4, Features: The inner side of the anti-wear pad (13) is provided with anti-skid patterns, and the anti-skid patterns are in a grid shape.

6. A fan blade welding fixing device according to claim 2, Features: The top and bottom of the left side of the left pressure plate (902) are fixedly connected to an auxiliary sliding rod (14), and the left side of the auxiliary sliding rod (14) passes through the right side of the lifting platform (8).

7. A fan blade welding fixing device according to claim 1, Features: A placement box (15) is bolted to the right side of the front side of the workbench (1), and the interior of the placement box (15) is a cavity.

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