Flange fixing device for wind power blade machining

Abstract

The utility model discloses a flange fixing device for wind power blade machining, and relates to the technical field of flange fixing. The device comprises a base, a rotating disc is installed in the base through a rotating shaft, a motor and a fixing plate are arranged on the lower portion of the interior of the base, one side of the fixing plate is connected with a friction plate through a spring, and the output end of the motor is connected with a sector gear. When a flange is clamped and fixed, a worker rotates a worm and enables a worm gear to drive a mounting shaft to rotate, then a gear drives a toothed bar to move, after the toothed bar moves, four sets of clamping plates are driven through a connecting rod to synchronously get close to the position of the flange and clamp the flange, and matching of the worm and the worm gear has self-locking performance; by means of the mode, the flange is more stable after being clamped and is not prone to loosening, operation of workers is easier and more convenient, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange fixing technical field, concretely is a flange fixing device for wind power blade processing. BACKGROUND

[0002] Flange is also called flange flange plate or lug, flange is the interconnection between the shaft and the shaft part, used for the connection between pipe ends, also used on the flange of equipment inlet and outlet, used for the connection between two devices, such as speed reducer flange. Flange connection or flange joint refers to the combined sealing structure of flange, gasket and bolt, which is detachable connection, and flange fixing device is needed in wind power blade processing.

[0003] The prior art discloses a positioning tool for flange plate processing, the device can stably clamp the flange, but when operating, four groups of screw rods need to be rotated one by one to drive four groups of clamps to move, the operation is relatively cumbersome, and after clamping, the flange cannot be clamped concentrically due to the different rotating distances of each group of screw rods, which can easily affect the machining precision of the flange. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a flange fixing device for wind power blade processing to solve the technical problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a flange fixing device for wind power blade processing, including base and installation shaft, the inside of base is installed with rotary table through rotating shaft, the inside lower part of base is equipped with motor and fixed plate respectively, one side of fixed plate is connected with friction plate through spring, the output end of motor is connected with fan tooth, the outer surface of rotating shaft is equipped with driven gear, the top of rotary table is fixed with installation box through support plate, the inside of installation box is installed with transmission gear, the inner wall of installation box is fixed with guide rod, and the outer surface of guide rod is equipped with tooth rod, one end of tooth rod is fixed with clamping plate through connecting rod, the bottom end of installation shaft is fixed with worm wheel, the bottom of installation box is installed with worm.

[0006] Further, the both sides of the base are fixed with mounting ears, and mounting holes are formed through the top of the mounting ears.

[0007] By adopting the above technical scheme, when fixing the clamp, the worker can pass the bolt through the mounting hole on the mounting ear, and then fix it on the machine tool.

[0008] Further, two groups of telescopic rods are fixed between the fixed plate and the friction plate.

[0009] Through the adoption of the above technical scheme, the telescopic rod plays a guiding role, so that the friction plate is more stably attached to the rotating shaft.

[0010] Further, the friction plate is designed in an arc shape and is in contact with the outer surface of the rotating shaft.

[0011] Through the adoption of the above technical scheme, the arc design makes the friction plate better attached to the rotating shaft, increases the friction with the rotating shaft, and avoids inertia after the rotating shaft rotates.

[0012] Further, the clamping plates are provided in four groups and are arranged in a ring shape.

[0013] Through the adoption of the above technical scheme, the four groups of clamping plates designed in a ring shape can stably clamp and fix the flange.

[0014] Further, each group of clamping plates is designed in an arc shape, and one side of the clamping plate is provided with a rubber pad.

[0015] Through the adoption of the above technical scheme, the arc design makes the clamping plate better attached to the edge of the flange, and the rubber pad increases the friction between the clamping plate and the flange, so that the clamped flange is more stable.

[0016] Further, the top of the mounting box is provided with a movable opening, and the connecting rod is in sliding cooperation with the movable opening.

[0017] Through the adoption of the above technical scheme, when the toothed rod is displaced, the connecting rod will slide in the movable opening, so as to displace the clamping plate.

[0018] Further, the toothed rods are provided in four groups, the four groups of toothed rods are in sliding cooperation with the guide rods, and the four groups of toothed rods are all in engagement with the transmission gears.

[0019] Through the adoption of the above technical scheme, the guide rod can guide and limit the toothed rod, so that the engagement between the toothed rod and the transmission gear is more stable.

[0020] Further, the worm is in engagement with the worm gear, and one end of the worm is fixed with a rotating wheel.

[0021] Through the adoption of the above technical scheme, the rotation of the worm can drive the rotation of the worm gear, and the cooperation between the worm and the worm gear has self-locking property, so that the clamped flange is not easy to loosen, and the rotating wheel makes it more convenient for the worker to rotate the worm.

[0022] In summary, the utility model mainly has the following beneficial effects:

[0023] 1. The utility model discloses a worm, worm wheel, mounting shaft, transmission gear, rack, connecting rod and clamping plate are equipped with, when clamping and fixing to the flange, staff rotates the worm, and makes the worm wheel drive mounting shaft rotation, and then makes the gear drive rack displacement, and the rack displacement will drive four groups of clamping plate to the flange position synchronous approach and clamp to it through connecting rod, and the cooperation of worm and worm wheel has self -locking, makes the flange more stable after being clamped, and it is difficult to loosen, through above -mentioned mode makes staff operation more simple and convenient, improves work efficiency;

[0024] 2. The utility model discloses a driven gear, fan tooth, turntable, rotating shaft, spring and friction plate are equipped with, when processing to the flange (for example punching), staff starts motor, and the motor rotation makes fan tooth rotation, and fan tooth rotates, can drive driven gear rotation, to this makes rotating shaft drive turntable rotation, and turntable rotates can make the flange every time can rotate a certain angle, and then facilitate the processing angle of flange adjustment, improve the functionality of clamp, and under the action of spring and friction plate, make the rotating speed of rotating shaft slow, avoid the inertia that produces after rotating, make angle deviation, first can make angle adjustment more accurate, second avoid the phenomenon that " collides with tooth " occurs when fan tooth repeatedly engages with driven gear, and driven gear deviates due to inertia. DRAWINGS

[0025] Figure 1 It is the structure schematic drawing of the utility model;

[0026] Figure 2 It is the base section structure schematic drawing of the utility model;

[0027] Figure 3 It is the rack structure schematic drawing of the utility model;

[0028] Figure 4 It is the worm structure schematic drawing of the utility model;

[0029] Figure 5 It is the fan tooth structure schematic drawing of the utility model.

[0030] In the drawing: 1, base;2, mounting lug;3, turntable;4, support plate;5, installation box;6, clamping plate;7, movable mouth;8, rotating shaft;9, driven gear;10, motor;11, fan tooth;12, fixed plate;13, spring;14, telescopic link;15, friction plate;16, worm;17, mounting shaft;18, guide rod;19, rack;20, connecting rod;21, transmission gear;22, worm wheel;23, rotating wheel. DETAILED DESCRIPTION

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0032] The embodiments of this utility model will be described below based on its overall structure.

[0033] Example 1: A flange fixing device for wind turbine blade processing, such as Figures 1-5 As shown, the fixture includes a base 1 and a mounting shaft 17. Mounting ears 2 are fixed to both sides of the base 1, and mounting holes are passed through the top of the mounting ears 2. When fixing the fixture, the operator can pass bolts through the mounting holes on the mounting ears 2 and then fix it to the machine tool. A turntable 3 is mounted inside the base 1 via a rotating shaft 8. A motor 10 and a fixing plate 12 are respectively located at the lower part of the interior of the base 1. A friction plate 15 is connected to one side of the fixing plate 12 via a spring 13. A sector gear 11 is connected to the output end of the motor 10. A driven gear 9 is provided on the outer surface of the rotating shaft 8. The top of the turntable 3 is fixed by a support plate 4. The installation box 5 contains a transmission gear 21. A guide rod 18 is fixed to the inner wall of the installation box 5, and a toothed rod 19 is provided on the outer surface of the guide rod 18. There are four sets of toothed rods 19, which slide with the guide rod 18 and mesh with the transmission gear 21. The guide rod 18 guides and limits the toothed rods 19, making the meshing between the toothed rods 19 and the transmission gear 21 more stable. One end of the toothed rod 19 is fixed to a clamping plate 6 via a connecting rod 20. A worm gear 22 is fixed to the bottom end of the installation shaft 17, and a worm 16 is installed at the bottom of the installation box 5.

[0034] See Figures 1-4 In the above embodiment, the clamping plate 6 is provided in four sets, and the four sets of clamping plates 6 are arranged in a ring-shaped array. The four sets of ring-shaped clamping plates 6 can stably clamp and fix the flange. Each set of clamping plates 6 is designed in an arc shape, and a rubber pad is provided on one side of the clamping plate 6. The arc shape design makes the clamping plate 6 fit better with the edge of the flange, and the rubber pad increases the friction between the clamping plate 6 and the flange, making the flange more stable after clamping.

[0035] See Figures 1-2 In the above embodiment, the top of the mounting box 5 is provided with a movable opening 7, and the connecting rod 20 is slidably engaged with the movable opening 7. When the toothed rod 19 is displaced, the connecting rod 20 will slide in the movable opening 7, thereby causing the clamping plate 6 to be displaced.

[0036] See Figures 2-4In the above embodiment, the worm 16 is engaged with the worm gear 22, and one end of the worm 16 is fixed with the rotating wheel 23, the rotation of the worm 16 can drive the rotation of the worm gear 22, and the worm 16 and the worm gear 22 are matched with self-locking property, so that the flange is not easy to loosen after being clamped, and the rotating wheel 23 makes it more convenient for the worker to rotate the worm 16.

[0037] Embodiment two: in order to make the friction plate more stable, embodiment two is improved on the basis of embodiment one, referring to Figure 2 and Figure 5 , two groups of telescopic rods 14 are fixed between the fixed plate 12 and the friction plate 15, the telescopic rods 14 play a guiding role, so that the friction plate 15 is more stably attached to the rotating shaft 8.

[0038] Referring to Figures 2-5 In the above embodiment, the friction plate 15 is designed in an arc shape, and the friction plate 15 is in contact with the outer surface of the rotating shaft 8, the arc design makes the friction plate 15 better attached to the rotating shaft 8, increases the friction force with the rotating shaft 8, and avoids inertia after the rotating shaft 8 rotates.

[0039] The working principle of the utility model is as follows: first, the worker fixes the clamp on the machine tool, when clamping and fixing the flange, the worker rotates the worm 16, and drives the rotating shaft 17 through the worm gear 22, so that the gear drives the displacement of the gear rod 19, after the displacement of the gear rod 19, four groups of clamping plates 6 are driven by the connecting rod 20 to the flange position synchronous approach and clamp it, and the cooperation of the worm 16 and the worm gear 22 has self-locking property, so that the flange is more stable after being clamped, when the flange is processed (for example, punching), the worker starts the motor 10, the rotation of the motor 10 drives the rotation of the fan gear 11, the rotation of the fan gear 11 drives the rotation of the driven gear 9, so that the rotating shaft 8 drives the rotation of the rotating disc 3, the rotating disc 3 can rotate a certain angle each time, so as to facilitate the adjustment of the processing angle of the flange, improve the functionality of the clamp, and under the action of the spring 13 and the friction plate 15, the rotating speed of the rotating shaft 8 is slow, avoiding inertia after rotation, and angle deviation.

[0040] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make non-creative modification, replacement and change of the embodiments according to the needs after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A flange fixing device for wind turbine blade processing, comprising a base (1) and a mounting shaft (17), characterized in that: The inside of the base (1) is provided with a rotating disc (3) through a rotating shaft (8), the inside of the base (1) is provided with a motor (10) and a fixed plate (12) respectively below, the fixed plate (12) is connected with a friction plate (15) through a spring (13) on one side, the output end of the motor (10) is connected with a fan tooth (11), the outer surface of the rotating shaft (8) is provided with a driven gear (9), the top of the rotating disc (3) is fixed with a mounting box (5) through a supporting plate (4), the inside of the mounting box (5) is provided with a transmission gear (21), the inner wall of the mounting box (5) is fixed with a guide rod (18), and the outer surface of the guide rod (18) is provided with a toothed rod (19), one end of the toothed rod (19) is fixed with a clamping plate (6) through a connecting rod (20), the bottom end of the mounting shaft (17) is fixed with a worm wheel (22), and the bottom of the mounting box (5) is provided with a worm (16).

2. The flange fixing device for wind turbine blade processing according to claim 1, characterized in that: The both sides of the base (1) are fixedly provided with mounting ears (2), and the top of the mounting ear (2) penetrates through a mounting hole.

3. The flange fixing device for wind turbine blade processing according to claim 1, characterized in that: The fixed plate (12) and the friction plate (15) are fixedly provided with two groups of telescopic rods (14).

4. The flange fixing device for wind turbine blade processing according to claim 1, characterized in that: The friction plate (15) is designed in an arc shape, and the friction plate (15) is in contact with the outer surface of the rotating shaft (8).

5. The flange fixing device for wind turbine blade processing according to claim 1, characterized in that: The clamping plate (6) is provided with four groups, and the four groups of clamping plates (6) are arranged in an annular shape.

6. The flange fixing device for wind power blade processing according to claim 5, characterized in that: Each group of clamping plates (6) is designed in an arc shape, and one side of the clamping plate (6) is provided with a rubber pad.

7. The flange fixing device for wind turbine blade processing according to claim 1, characterized in that: The top of the mounting box (5) is provided with a movable opening (7), and the connecting rod (20) and the movable opening (7) are in sliding fit.

8. The flange fixing device for wind turbine blade processing according to claim 1, characterized in that: The toothed rod (19) is provided with four groups, the four groups of toothed rods (19) and the guide rod (18) are in sliding fit, and the four groups of toothed rods (19) are all in engagement with the transmission gear (21).

9. The flange fixing device for wind turbine blade processing according to claim 1, characterized in that: The worm (16) is engaged with the worm wheel (22), and one end of the worm (16) is fixedly provided with a rotating wheel (23).

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