Trimming device for centrifugal fan blade production

Abstract

The utility model discloses a trimming device for centrifugal fan blade production, and relates to the technical field of centrifugal fan blade production. The edge trimmer comprises a machining table, supporting legs are fixedly connected to the four corners of the bottom of the machining table, a rack is fixedly connected to the top of the machining table, a mechanical arm is installed at the bottom of one side of the rack, an edge trimmer is installed at the free end of the mechanical arm, and a containing table is arranged at the position, located at the bottom of the rack, of the top of the machining table. A limiting assembly is arranged at the bottom of the rack and comprises a bearing seat, and the bearing seat is fixedly connected to the center of the bottom of the rack. The driving motor rotates to drive the lead screw to rotate, so that the sleeve vertically moves, the center of the centrifugal fan blade is expanded and fixed by combining the funnel-shaped limiting head and the external threads formed in the surface, the centrifugal fan blade is tightly fixed by the limiting head, and the device is simple and practical in structure and wide in applicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of centrifugal fan blade production, in particular to a trimming device for centrifugal fan blade production. Background Art

[0002] The trimming device for centrifugal fan blade production usually refers to the equipment or tools used to process and trim the edges of centrifugal fan blades. The benefits of trimming during centrifugal fan blade production are as follows:

[0003] 1. Improve the performance and efficiency of the fan blades: The trimming device can ensure that the edges of the fan blades are flat and symmetrical, thereby reducing the resistance during air flow and improving the wind force and efficiency of the fan blades.

[0004] 2. Ensure the balance of the fan blades: Through precise trimming, the weight of the fan blades can be evenly distributed, thus avoiding vibration and noise problems during high-speed rotation.

[0005] 3. Extend the service life of the fan blades: Trimming can eliminate or reduce the sharp or uneven parts of the edges, reduce cracks and damage caused by fatigue and pressure, and thus extend the service life of the fan blades.

[0006] 4. Improve product quality and consistency: The trimming device can ensure that the processing quality and shape of each fan blade are consistent, improving the quality and performance stability of the overall product. In short, the trimming device in the production of centrifugal fan blades can not only improve the performance and efficiency of the product, but also reduce the loss and instability factors in the production process. It is one of the important process devices in the production process.

[0007] Most of the trimming devices used in the production of centrifugal fan blades in the prior art can only limit and fix centrifugal fan blades of the same size, which leads to limitations in use, thereby reducing the work efficiency during trimming. To this end, we provide a trimming device for the production of centrifugal fan blades to solve the above-mentioned problems. Utility Model Content

[0008] The purpose of the utility model is to provide a trimming device for the production of centrifugal fan blades. By setting a limit assembly, the utility model solves the problem that the trimming device for the production of centrifugal fan blades in the prior art is not convenient for limiting and fixing centrifugal fan blades of different sizes.

[0009] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0010] The utility model is a trimming device for centrifugal fan blade production, comprising a processing table, the four corners of the bottom of the processing table are fixedly connected to support legs, the top of the processing table is fixedly connected to a frame, a manipulator is installed at the bottom of one side of the frame, a trimmer is installed at the free end of the manipulator, and a placing table is arranged at the top of the processing table and at the bottom of the frame;

[0011] A limit assembly is provided at the bottom of the frame, and the limit assembly includes a bearing seat, the bearing seat is fixedly connected to the center of the bottom of the frame, a sleeve is rotatably connected to the bottom of the bearing seat, a driving motor is fixedly connected to the top of the inner cavity of the sleeve, a lead screw is fixedly connected to the output end of the driving motor, a sleeve is threadedly connected to the surface of the lead screw, the bottom of the sleeve extends to the outside of the sleeve and is fixedly connected to a limit head, the limit head is funnel-shaped, and an external thread is provided on the surface of the limit head.

[0012] The utility model is further configured such that a servo motor is fixedly connected to the center of the bottom of the processing table, a rotating rod is fixedly connected to the output end of the servo motor, and the top of the rotating rod passes through the processing table through a bearing and is fixedly connected to the bottom of the placement table.

[0013] The utility model is further configured such that a vertical rod is fixedly connected to the bottom of the placing table, the number of the vertical rods is four and they are evenly distributed on the bottom of the placing table, a circular slide rail is opened on the top of the placing table, the bottom of the vertical rod extends into the inside of the circular slide rail and is slidably connected to the circular slide rail.

[0014] The utility model is further configured that the tops of both sides of the sleeve are fixedly connected to limit blocks, and one side of the limit blocks is slidably connected to the inner wall of the sleeve.

[0015] The utility model is further configured that a guide rod is fixedly connected to the top of the limit head, the guide rods are four in number and are evenly distributed on the top of the limit head, and the top of the guide rod extends to the interior of the sleeve.

[0016] The utility model is further configured that a controller is fixedly connected to one side of the top of the processing table, and the controller is electrically connected to the drive motor and the servo motor respectively through connecting lines.

[0017] The utility model is further configured that a through groove is provided at the center of the inner cavity of the placing table, and an inner wall of the through groove is provided with an internal thread used in conjunction with a limiting head.

[0018] The utility model is further configured that the manipulator is composed of three freely rotatable connecting rods, and the trimmer is composed of a rotating motor and a trimming head.

[0019] The utility model has the following beneficial effects:

[0020] 1. The utility model drives the lead screw to rotate by driving the motor to move the sleeve vertically, and combines the funnel-shaped limit head and the external thread on the surface to expand and fix the center of the centrifugal fan blade, so that the limit head tightly fixes the centrifugal blade. The device has a simple and practical structure and wide applicability.

[0021] 2. The utility model drives the rotating rod to rotate by the rotation of the servo motor, and the rotating rod drives the placement table to rotate, so that the centrifugal blades on the top of the placement table can rotate, so as to cooperate with the trimmer to perform multi-position trimming processing. Through the setting of the bearing seat, it can be ensured that the limit assembly can rotate while limiting.

[0022] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0024] Figure 1 It is a three-dimensional schematic diagram of the overall structure of a trimming device for centrifugal fan blade production;

[0025] Figure 2 It is a partial structural three-dimensional schematic diagram of a trimming device for centrifugal fan blade production;

[0026] Figure 3 It is a partial exploded schematic diagram of the structure of a trimming device for centrifugal fan blade production;

[0027] Figure 4 A schematic diagram of the internal structure of a sleeve in a trimming device for producing centrifugal fan blades;

[0028] Figure 5 The present invention is a schematic diagram of the connection between a manipulator and a trimmer in a trimming device for producing centrifugal fan blades.

[0029] In the attached figure: 1, processing table; 2, supporting legs; 3, frame; 4, manipulator; 5, trimmer; 6, placement table; 7, bearing seat; 8, sleeve; 9, driving motor; 10, lead screw; 11, sleeve; 12, limit head; 13, servo motor; 14, rotating rod; 15, vertical rod; 16, circular slide rail; 17, limit block; 18, guide rod; 19, controller; 20, through slot. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] For specific embodiment 1, please refer to Figure 1-5 The utility model is a trimming device for producing centrifugal fan blades, including a processing table 1, the four corners of the bottom of the processing table 1 are fixedly connected to support legs 2, the top of the processing table 1 is fixedly connected to a frame 3, a manipulator 4 is installed at the bottom of one side of the frame 3, and a trimmer 5 is installed at the free end of the manipulator 4. A placing table 6 is arranged at the top of the processing table 1 and located at the bottom of the frame 3; a limiting component is arranged at the bottom of the frame 3, the limiting component includes a bearing seat 7, the bearing seat 7 is fixedly connected to the center of the bottom of the frame 3, a sleeve 8 is rotatably connected to the bottom of the bearing seat 7, a driving motor 9 is fixedly connected to the top of the inner cavity of the sleeve 8, a lead screw 10 is fixedly connected to the output end of the driving motor 9, a sleeve 11 is threadedly connected to the surface of the lead screw 10, the bottom of the sleeve 11 extends to the outside of the sleeve 8 and is fixedly connected to a limiting head 12, the limiting head 12 is funnel-shaped, and an external thread is opened on the surface of the limiting head 12.

[0032] Specifically: the number of manipulators 4 and trimmers 5 are both two, which are used to improve the trimming efficiency. The manipulator 4 is a mechanical mechanism, mainly composed of joints and connections between joints, can move and rotate freely, can realize complex motion paths and operations, can improve production efficiency, and is a prior art, which will not be elaborated here. The trimmer 5 is composed of a rotating motor and a trimming head, and can perform trimming work, which is also a prior art. Through the setting of the placement table 6, the centrifugal fan blades can be placed to facilitate the subsequent trimming work. Through the setting of the bearing seat 7, it can be ensured that the sleeve 8 can rotate, which is convenient for use with the rotating placement table 6.

[0033] For specific embodiment 2, please refer to Figure 1-5 On the basis of the specific embodiment 1, a servo motor 13 is fixedly connected to the center of the bottom of the processing table 1, and a rotating rod 14 is fixedly connected to the output end of the servo motor 13. The top of the rotating rod 14 passes through the processing table 1 through a bearing and is fixedly connected to the bottom of the placing table 6. The bottom of the placing table 6 is fixedly connected to a vertical rod 15. There are four vertical rods 15, which are evenly distributed at the bottom of the placing table 6. A circular slide rail 16 is opened on the top of the placing table 6. The bottom of the vertical rod 15 extends to the inside of the circular slide rail 16 and is slidably connected to the circular slide rail 16. The tops of both sides of the sleeve 11 are fixedly connected to limit blocks 17, and one side of the limit block 17 is connected to the The inner wall of the sleeve 8 is slidably connected, and a guide rod 18 is fixedly connected to the top of the limit head 12. There are four guide rods 18, which are evenly distributed on the top of the limit head 12. The top of the guide rod 18 extends to the inside of the sleeve 8. A controller 19 is fixedly connected to one side of the top of the processing table 1. The controller 19 is electrically connected to the drive motor 9 and the servo motor 13 through connecting lines. A through groove 20 is opened at the center of the inner cavity of the placement table 6, and the inner wall of the through groove 20 is opened with an internal thread used for cooperating with the limit head 12. The manipulator 4 is composed of three freely rotating connecting rods, and the trimmer 5 is composed of a rotating motor and a trimming head.

[0034] Specifically: the servo motor 13 is fixedly connected to the bottom center of the processing table 1, and is used to drive the rotating rod 14 to rotate. There are four vertical rods 15 to ensure the uniformity of the placement table 6 when subjected to force. The setting of the vertical rods 15 and the circular slide rails 16 can improve the stability of the placement table 6 during rotation. The setting of the limit block 17 can limit the sleeve 11 so that the sleeve 11 can move smoothly in the vertical direction. The setting of the guide rod 18 can limit the limit head 12 to ensure that the limit head 12 can move smoothly in the vertical direction. The setting of the controller 19 can operate the trimming device. The setting of the through groove 20 and the internal thread can facilitate the use of the limit head 12.

[0035] The working principle of the utility model is as follows: the staff places the centrifugal fan blade to be trimmed on the top of the placement table 6, and then starts the driving motor 9 by operating the controller 19, the driving motor 9 drives the lead screw 10 to rotate, the lead screw 10 drives the sleeve 11 to move, and the sleeve 11 drives the limit head 12 to move, so that the limit head 12 enters the center of the centrifugal fan blade. Since the limit head 12 is funnel-shaped, the centrifugal fan blade will be limited and fixed during the downward movement, and then the fixed centrifugal fan blade can be trimmed by the cooperation of the manipulator 4 and the trimmer 5;

[0036] When the trimming position needs to be adjusted, the servo motor 13 is started, the servo motor 13 drives the rotating rod 14 to rotate, the rotating rod 14 drives the placement table 6 to rotate, and the placement table 6 drives the limit assembly to rotate, so as to achieve the purpose of adjusting the trimming position without releasing the temporary fixation.

[0037] The standard parts used in the present invention can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatically controlled by a control unit. The control circuit of the control unit can be realized by simple programming by technicians in this field, which belongs to the common knowledge in this field. Therefore, the control method and circuit connection are no longer explained in detail in the present invention.

[0038] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to specific implementation methods. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can well understand and use the present invention.

Claims

1. A trimming device for centrifugal fan blade production, comprising a processing table (1), characterized in that: The four corners of the bottom of the processing table (1) are fixedly connected to support legs (2); the top of the processing table (1) is fixedly connected to a frame (3); a manipulator (4) is installed at the bottom of one side of the frame (3); a trimmer (5) is installed at the free end of the manipulator (4); and a placement table (6) is provided at the top of the processing table (1) and at the bottom of the frame (3); A limit assembly is provided at the bottom of the frame (3), the limit assembly comprising a bearing seat (7), the bearing seat (7) being fixedly connected to the center of the bottom of the frame (3), a sleeve (8) being rotatably connected to the bottom of the bearing seat (7), a drive motor (9) being fixedly connected to the top of the inner cavity of the sleeve (8), a lead screw (10) being fixedly connected to the output end of the drive motor (9), a sleeve (11) being threadedly connected to the surface of the lead screw (10), a bottom of the sleeve (11) extending to the outside of the sleeve (8) and fixedly connected to a limit head (12), the limit head (12) being funnel-shaped, and an external thread being provided on the surface of the limit head (12).

2. The trimming device for centrifugal fan blade production according to claim 1, characterized in that: A servo motor (13) is fixedly connected to the center of the bottom of the processing table (1), and a rotating rod (14) is fixedly connected to the output end of the servo motor (13). The top of the rotating rod (14) passes through the processing table (1) through a bearing and is fixedly connected to the bottom of the placement table (6).

3. The trimming device for centrifugal fan blade production according to claim 1, characterized in that: The bottom of the placement platform (6) is fixedly connected with a vertical rod (15), the number of the vertical rods (15) is four and they are evenly distributed on the bottom of the placement platform (6), the top of the placement platform (6) is provided with a circular slide rail (16), the bottom of the vertical rod (15) extends into the inside of the circular slide rail (16) and is slidably connected to the circular slide rail (16).

4. The trimming device for centrifugal fan blade production according to claim 1, characterized in that: The tops of both sides of the sleeve (11) are fixedly connected to limit blocks (17), and one side of the limit blocks (17) is slidably connected to the inner wall of the sleeve (8).

5. The trimming device for centrifugal fan blade production according to claim 1, characterized in that: The top of the limit head (12) is fixedly connected to a guide rod (18), the guide rods (18) being four in number and evenly distributed on the top of the limit head (12), and the top of the guide rod (18) extending into the interior of the sleeve (8).

6. The trimming device for centrifugal fan blade production according to claim 2, characterized in that: A controller (19) is fixedly connected to one side of the top of the processing table (1), and the controller (19) is electrically connected to the drive motor (9) and the servo motor (13) respectively through connecting wires.

7. The trimming device for centrifugal fan blade production according to claim 1, characterized in that: A through groove (20) is provided at the center of the inner cavity of the placement table (6), and an inner wall of the through groove (20) is provided with an internal thread used in conjunction with the limit head (12).

8. The trimming device for centrifugal fan blade production according to claim 1, characterized in that: The manipulator (4) is composed of three freely rotatable connecting rods, and the trimmer (5) is composed of a rotating motor and a trimming head.

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