Automatic blade clamping tool

Abstract

The utility model relates to the technical field of blade welding, and discloses an automatic blade clamping tool which comprises a fixing clamp body and a blade body, the inner wall of the fixing clamp body is provided with a side face positioning check block, the inner wall of the fixing clamp body is provided with an overturning pressing mechanism, the blade body waits for feeding, and the overturning pressing mechanism is arranged on the inner wall of the fixing clamp body. At the moment, an outer ring pressing guide air cylinder is in an open state, a side face rotating pressing cylinder is also in an open state, then a driving motor drives a pressing plate to rotate, an overturning pressing mechanism is in an open state, then a blade body is placed on the inner wall of a fixing clamp body, and the blade body is fed and locked. At the moment, an outer ring pressing guide air cylinder and a side face rotating pressing cylinder are in a closed state, a driving motor is used for driving a rotating shaft to rotate and driving a pressing plate to rotate and press the blade body, multi-directional limiting and fixing of the blade body are achieved, and the blade body is prevented from shaking in the welding process.

Description

Technical Field

[0001] The utility model relates to the technical field of blade welding, in particular to an automatic blade clamping tool. Background Art

[0002] The existing automatic blade clamping tooling can refer to the Chinese utility model patent with the authorization announcement number CN203484837U, which discloses a pneumatic automatic clamping tooling for a steam turbine hollow static blade, "including a flange, a lower profiling body, an upper profiling body and a pneumatic clamping mechanism, the end face of the lower profiling body is connected to the flange, the upper profiling body is located above the lower profiling body, the pneumatic clamping mechanism includes a support body, a cylinder, a guide column and guide sleeve mechanism and a guide connecting plate, the upper surface of the support body is provided with a cylinder, the support body is also provided with a through hole, and the cylinder is connected to one end of the guide rod. The utility model adopts a profiling surface to contact and fix the hollow blade with each other, and a soft asbestos material is attached to the profiling surface, so that the tooling and the hollow blade are closely fitted, the force is evenly applied, and the deformation of the hollow blade caused by the tooling is effectively avoided."

[0003] When the above device is in use, the hollow blade is contacted and fixed with each other through the profiling surface, and a soft asbestos material is attached to the profiling surface, so that the tooling and the hollow blade are closely fitted and the force is evenly applied, effectively avoiding the deformation of the hollow blade caused by the tooling. However, the above device is not convenient for flipping the blade to different angles, which makes it inconvenient to weld different positions of the blade. Moreover, the above device only clamps and fixes one end of the blade, which causes the other end of the blade to shake during the welding process, affecting the welding accuracy. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides an automatic blade clamping tool, which has the advantage of being able to flip the blade to different angles, facilitating welding of different positions of the blade. It also has the advantage of being able to fix the blade in all directions to prevent the blade from shaking during welding, thereby solving the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: an automatic blade clamping tool, comprising a fixed clamp body and a blade body, the inner wall of the fixed clamp body is provided with a side positioning block, the inner wall of the fixed clamp body is provided with a flipping and clamping mechanism, the inner wall of the fixed clamp body away from the flipping and clamping mechanism is provided with an outer ring clamping guide cylinder, and the bottom of the fixed clamp body is provided with a side rotating clamping cylinder;

[0006] The flipping and clamping mechanism comprises a driving motor and a clamping plate, and when the driving motor is working, the clamping plate is driven to rotate and flip;

[0007] The outer ring pressing guide cylinder comprises a cylinder body and a limit plate, and when the cylinder body is working, the limit plate is driven to move and squeeze the blade body to limit the position.

[0008] As a preferred technical solution of the utility model, a connecting frame is provided on one side of the fixing clamp, and the connecting frame is connected to the positioner.

[0009] As an optimal technical solution of the utility model, the inner wall of the fixing clamp is fixedly connected with an inner ring positioning column, the top of the fixing clamp is provided with a bottom surface positioning universal ball, and the bottom surface positioning universal ball is embedded in the inner wall of the fixing clamp and is slidably connected to the inner wall of the fixing clamp, and the top of the bottom surface positioning universal ball is slidably connected to the bottom of the blade body.

[0010] As a preferred technical solution of the utility model, the flipping and clamping mechanism also includes a fixed frame, the fixed frame and the driving motor are fixedly connected by bolts, the output shaft end of the driving motor is inserted into the inner wall of the fixed frame and is rotatably connected to the inner wall of the fixed frame, the output shaft end of the driving motor is welded and fixed with a rotating shaft, and the end of the rotating shaft away from the driving motor is rotatably connected to the inner wall of the fixed frame, and the outer wall of the rotating shaft is fixedly connected to the clamping plate.

[0011] As a preferred technical solution of the utility model, a plurality of upper plane adjusting clamping assemblies are arranged on the top of the clamping plate, and the upper plane adjusting clamping assemblies penetrate the clamping plate and extend to the bottom of the clamping plate.

[0012] As a preferred technical solution of the utility model, the side rotary clamping cylinder includes a fixed plate and a motor, the fixed plate is fixed to the bottom of the fixed clamp by bolts, and the fixed plate and the motor are fixedly connected, the output shaft end of the motor is fixedly connected to a limiting column, and the limiting column can limit one end of the blade body when it is in a closed state.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The blade automatic clamping tooling waits for loading through the blade body. At this time, the outer ring clamping guide cylinder is in the open state, and the side rotating clamping cylinder is also in the open state. Then the driving motor drives the clamping plate to rotate, and the flip clamping mechanism is in the open state. Then the blade body is placed on the specific inner wall of the fixed clamp. The blade body has been loaded and the blade body is locked. At this time, the outer ring clamping guide cylinder and the side rotating clamping cylinder are in the closed state. The driving motor is used to drive the rotating shaft to rotate, and drive the clamping plate to rotate and clamp the blade body, so as to realize multi-directional limit fixation of the blade body and prevent the blade body from shaking during welding.

[0015] 2. The blade automatic clamping tool rotates the blade body through the rotation of the positioner to adjust the angle, and then starts the welding program to complete the reverse side weld. After the front end of the welding is completed, the side rotary clamping cylinder is opened. After the welding is completed, the positioner rotates to the initial state. At this time, the outer ring clamping guide cylinder and the side rotary clamping cylinder are in the open state. Then the drive motor is used to drive the rotating shaft to rotate, and drive the clamping plate to rotate and open, and take out the blade body, so as to realize multi-angle welding processing of the blade body and improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the fixed structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the local structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the limiting structure of the utility model.

[0020] In the figure: 1. Fixed clamp body; 2. Side positioning block; 3. Flip clamping mechanism; 301. Fixed frame; 302. Drive motor; 303. Rotating shaft; 304. Clamping plate; 4. Upper plane adjustment clamping assembly; 5. Inner ring positioning column; 6. Side rotary clamping cylinder; 601. Fixed plate; 602. Motor; 603. Limiting column; 7. Bottom positioning universal ball; 8. Outer ring clamping guide cylinder; 801. Cylinder body; 802. Limiting plate; 9. Blade body. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 - Figure 4A blade automatic clamping tool comprises a fixed clamp body 1 and a blade body 9, the inner wall of the fixed clamp body 1 is provided with a side positioning block 2, the inner wall of the fixed clamp body 1 is provided with a flipping and clamping mechanism 3, the inner wall of the fixed clamp body 1 on one side away from the flipping and clamping mechanism 3 is provided with an outer ring clamping guide cylinder 8, the bottom of the fixed clamp body 1 is provided with a side rotating clamping cylinder 6, the side rotating clamping cylinder 6 comprises a fixed plate 601 and a motor 602, the fixed plate 601 is fixed to the bottom of the fixed clamp body 1 by bolts, and the fixed plate 601 and the motor 602 are fixedly connected, the output shaft end of the motor 602 is fixedly connected to a limiting column 603, and the limiting column 603 can limit one end of the blade body 9 when it is in a closed state.

[0023] The flipping and clamping mechanism 3 includes a driving motor 302 and a clamping plate 304, and the flipping and clamping mechanism 3 also includes a fixing frame 301, the fixing frame 301 and the driving motor 302 are fixedly connected by bolts, the output shaft end of the driving motor 302 is inserted into the inner wall of the fixing frame 301 and is rotatably connected to the inner wall of the fixing frame 301, the output shaft end of the driving motor 302 is welded and fixed with a rotating shaft 303, and the end of the rotating shaft 303 away from the driving motor 302 is rotatably connected to the inner wall of the fixing frame 301, the outer wall of the rotating shaft 303 is fixedly connected to the clamping plate 304, when the driving motor 302 is controlled to work, the rotating shaft 303 is driven to rotate in the inner wall of the fixing frame 301, and the clamping plate 304 is driven to rotate to flip. When the clamping plate 304 is flipped at a certain angle, the clamping plate 304 can be located at the top of the blade body 9, and the clamping plate 304 can be moved away from the top of the blade body 9. A plurality of upper plane adjusting clamping components 4 are arranged on the top of the clamping plate 304, and the upper plane adjusting clamping components 4 penetrate the clamping plate 304 and extend to the bottom of the clamping plate 304. When the clamping plate 304 rotates, the upper plane adjusting clamping components 4 are driven to move. When the clamping plate 304 is flipped to the top of the blade body 9, the upper plane adjusting clamping components 4 are used to contact the top of the blade body 9, and the top of the blade body 9 is squeezed and fixed by the upper plane adjusting clamping components 4 to maintain the stability of the blade body 9 during the welding process.

[0024] The outer ring pressing guide cylinder 8 comprises a cylinder body 801 and a limit plate 802 , and when the cylinder body 801 is working, it drives the limit plate 802 to move and squeeze the blade body 9 to limit the position, so as to prevent the blade body 9 from moving horizontally.

[0025] A connecting frame is provided on one side of the fixing clamp body 1, and the connecting frame is connected to a positioner. The fixing clamp body 1 is rotated by the positioner to facilitate welding at different positions of the blade body 9, thereby improving the practicability of the device.

[0026] The inner wall of the fixed clamp body 1 is fixedly connected with an inner ring positioning column 5, and a bottom surface positioning universal ball 7 is arranged on the top of the fixed clamp body 1. The bottom surface positioning universal ball 7 is embedded in the inner wall of the fixed clamp body 1 and is slidingly connected to the inner wall of the fixed clamp body 1. The top of the bottom surface positioning universal ball 7 is slidingly connected to the bottom of the blade body 9, reducing the friction loss between the blade body 9 and the bottom surface positioning universal ball 7, and the inner ring positioning column 5 blocks and limits the inner side of the blade body 9.

[0027] Working principle: the blade body 9 is waiting for loading. At this time, the outer ring clamping guide cylinder 8 is in the open state, and the side rotary clamping cylinder 6 is also in the open state. Then the driving motor 302 drives the clamping plate 304 to rotate, and the flip clamping mechanism 3 is in the open state. Then the blade body 9 is placed on the inner wall of the fixed clamp body 1. The blade body 9 has been loaded and the blade body 9 is locked. At this time, the outer ring clamping guide cylinder 8 and the side rotary clamping cylinder 6 are in the closed state. The driving motor 302 is used to drive the rotating shaft 303 to rotate, and drive the clamping plate 304 to rotate and clamp the blade body 9, so as to achieve multiple clamping of the blade body 9. The azimuth limit is fixed to prevent the blade body 9 from shaking during welding. The blade body 9 is rotated by the positioner to adjust the angle, and then the welding program is started to complete the welding of the reverse weld. After the welding front end is completed, the side rotary clamping cylinder 6 is opened. After welding is completed, the positioner rotates to the initial state. At this time, the outer ring clamping guide cylinder 8 and the side rotary clamping cylinder 6 are in the open state. The driving motor 302 is then used to drive the rotating shaft 303 to rotate, and drive the clamping plate 304 to rotate and open, and the blade body 9 is taken out to achieve multi-angle welding processing of the blade body 9, thereby improving the practicality of the device.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blade automatic clamping tool, comprising a fixed clamp body (1) and a blade body (9), characterized in that: The inner wall of the fixed clamp body (1) is provided with a side positioning block (2), the inner wall of the fixed clamp body (1) is provided with a flipping and clamping mechanism (3), the inner wall of the fixed clamp body (1) on a side away from the flipping and clamping mechanism (3) is provided with an outer ring clamping guide cylinder (8), and the bottom of the fixed clamp body (1) is provided with a side rotating clamping cylinder (6); The flipping and pressing mechanism (3) comprises a driving motor (302) and a pressing plate (304), and when the driving motor (302) is in operation, it drives the pressing plate (304) to rotate and flip; The outer ring pressing guide cylinder (8) comprises a cylinder body (801) and a limit plate (802), and when the cylinder body (801) is in operation, it drives the limit plate (802) to move and squeeze the blade body (9) to limit the position.

2. The blade automatic clamping tool according to claim 1, characterized in that: A connecting frame is provided on one side of the fixing clamp body (1), and the connecting frame is connected to the positioner.

3. The automatic blade clamping tool according to claim 1, characterized in that: The inner wall of the fixing clamp body (1) is fixedly connected with an inner ring positioning column (5), the top of the fixing clamp body (1) is provided with a bottom surface positioning universal ball (7), and the bottom surface positioning universal ball (7) is embedded in the inner wall of the fixing clamp body (1) and is slidably connected with the inner wall of the fixing clamp body (1), and the top of the bottom surface positioning universal ball (7) is slidably connected with the bottom of the blade body (9).

4. The blade automatic clamping tool according to claim 1, characterized in that: The flipping and clamping mechanism (3) further comprises a fixing frame (301), wherein the fixing frame (301) and the driving motor (302) are fixedly connected by bolts, the output shaft end of the driving motor (302) is inserted into the inner wall of the fixing frame (301) and is rotatably connected to the inner wall of the fixing frame (301), the output shaft end of the driving motor (302) is welded and fixed with a rotating shaft (303), and one end of the rotating shaft (303) away from the driving motor (302) is rotatably connected to the inner wall of the fixing frame (301), and the outer wall of the rotating shaft (303) is fixedly connected to the clamping plate (304).

5. The automatic blade clamping tool according to claim 4 is characterized in that: A plurality of upper plane adjusting pressing assemblies (4) are arranged on the top of the pressing plate (304), and the upper plane adjusting pressing assemblies (4) penetrate the pressing plate (304) and extend to the bottom of the pressing plate (304).

6. The blade automatic clamping tool according to claim 1, characterized in that: The side rotary clamping cylinder (6) comprises a fixing plate (601) and a motor (602); the fixing plate (601) is fixed to the bottom of the fixing clamp body (1) by means of bolts, and the fixing plate (601) and the motor (602) are fixedly connected; the output shaft end of the motor (602) is fixedly connected to a limiting column (603), and the limiting column (603) is capable of limiting one end of the blade body (9) when it is in a closed state.

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