Generator stator and rotor slot paper cutting device

Abstract

This utility model discloses a generator stator and rotor slot paper cutting device, which includes a scissor-shaped cutting body; a tension spring is connected between the two sides of the handle of the scissor-shaped cutting body; multiple sets of opposing bearings are rotatably arranged on the inner walls of both sides of the clamping part of the scissor-shaped cutting body; a guide roller is rotatably arranged at the bottom of the clamping part of the scissor-shaped cutting body; a support frame is fixed to the top of the hinge shaft of the scissor-shaped cutting body; a motor is mounted on the support frame; and a blade is sleeved and fixed on the bottom end of the output shaft of the motor. Advantages: When the motor is started, it drives the blade to rotate. During the process of pushing the device along the top surface of the iron core, the blade cuts from one end of the slot paper to the other, achieving the purpose of cutting the slot paper; the whole process is simple to operate, does not require manual cutting, saves time and effort, and is highly efficient; moreover, the entire cutting process is completed during the linear movement of the guide roller along the top surface of the iron core, ensuring the neatness of the cut.

Description

Technical Field

[0001] This utility model relates to the field of generator maintenance technology, and in particular to a generator stator and rotor slot paper cutting device. Background Technology

[0002] The coil slot paper of the generator stator and rotor is also called insulating paper. It plays an effective role in insulating and protecting the coil. Before the coil is embedded in the iron core slot, multiple layers of slot paper need to be installed in the iron core slot. The purpose is to protect the coil insulation layer and isolate the coil from the iron core, so as to prevent discharge arcing when the coil insulation layer is broken down due to faults during generator operation.

[0003] After the slotted paper is inserted into the iron core slot, the coil is pressed into the slotted paper inside the iron core slot. Then, the high parts on both sides of the slotted paper are cut off and slot wedges are inserted. Currently, in the cutting process, the high parts on both sides of the slotted paper are usually cut manually along the length of the iron core slot using a paper cutter. This results in uneven cutting and a large number of cutting operations, which is time-consuming and laborious. During the cutting process, the hands are prone to bumping into the iron core, causing injury. Utility Model Content

[0004] The purpose of this invention is to provide a generator stator and rotor slot paper cutting device that is easy to operate and produces neat cuts.

[0005] This utility model is implemented by the following technical solution: a generator stator and rotor slotted paper cutting device, which includes a scissor-shaped cutting body, a guide roller, a motor, and a blade; a tension spring is connected between the two sides of the handle of the scissor-shaped cutting body, and multiple sets of opposing bearings are rotatably provided on the inner walls of both sides of the clamping part of the scissor-shaped cutting body, with the side walls of the two bearings in each set in movable contact; the guide roller is rotatably provided at the bottom of the clamping part of the scissor-shaped cutting body; a support frame is fixed at the top of the hinge shaft of the scissor-shaped cutting body, and the motor is installed on the support frame; the output shaft of the motor is arranged downward and a connecting shaft is coaxially fixed thereto; the bottom end of the connecting shaft extends downward to the bottom of the scissor-shaped cutting body and the blade is sleeved and fixed thereon.

[0006] Furthermore, it also includes a top rod, one end of which passes through one side of the handle portion of the scissor-shaped cutting body and is fixed to the inner wall on the other side.

[0007] Furthermore, the support frame includes an L-shaped base, an L-shaped machine base, a lead screw, and a threaded rod; the bottom end of the lead screw is rotatably connected to the top end of the L-shaped base, and a connecting block is screwed onto the lead screw, the connecting block being fixedly connected to the top end of the L-shaped machine base; an elongated hole is provided on the vertical section of the L-shaped base, the threaded rod passes through the elongated hole and is fixedly connected to the vertical section of the L-shaped machine base, a limiting nut is screwed onto the threaded rod, the limiting nut abutting against the vertical section of the L-shaped base; the bottom of the horizontal section of the L-shaped base is fixed to the top of the hinge shaft of the scissor-shaped cutting body, the motor is fixed on the top surface of the horizontal section of the L-shaped machine base, and the output shaft of the motor passes sequentially through the horizontal section of the L-shaped machine base and the horizontal section of the L-shaped base, and is fixed to the blade.

[0008] The advantages of this utility model are as follows: The operating handle is used to overcome the tension of the spring and separate, while the two bearings of each group on the clamping part are separated. The separated clamping parts are inserted along the end of the grooved paper, and the guide roller contacts the top surface of the iron core. The handle is released, and the clamping parts are closed, while the bearings of each group are attached and clamped on the grooved paper. The motor is started to drive the blade to rotate. During the process of pushing the device along the top surface of the iron core, the blade cuts from one end of the grooved paper to the other end, achieving the purpose of cutting the grooved paper. The whole process is simple to operate, does not require manual cutting, saves time and effort, and is highly efficient. Moreover, the entire cutting process is completed during the linear movement of the guide roller along the top surface of the iron core, which can ensure the neatness of the cut. Attached Figure Description

[0009] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0010] Figure 1 This is a schematic diagram of the structure of this utility model.

[0011] Figure 2 for Figure 1 AA sectional view.

[0012] Figure 3 This is a schematic diagram of the scissor-shaped cutting body of the present invention, which is equipped with a bearing.

[0013] The components in the attached diagram are labeled as follows: 1. Scissor-shaped cutting body, 1.1. Handle, 1.2. Clamping part, 1.3. Hinge shaft, 2. Tension spring, 3. Bearing, 4. Guide roller, 5. Support frame, 5.1. L-shaped base, 5.1. Long hole, 5.2. L-shaped machine base, 5.3. Lead screw, 5.4. Connecting block, 5.5. Limiting nut, 5.6. Motor, 6. Blade, 7. Top rod, 8. Connecting shaft, 9. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "front", "rear", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0016] like Figures 1 to 3 As shown, this embodiment provides a generator stator and rotor slot paper cutting device, which includes a scissor-shaped cutting body 1, a guide roller 4, a motor 6 and a blade 7; the scissor-shaped cutting body 1 has two handles connected by a hinge shaft 1.3, one side of the hinge shaft 1.3 is a handle part 1.1, which is convenient for manual hand holding, and the other side of the hinge shaft 1.3 is a clamping part 1.2.

[0017] A tension spring 2 connects the two sides of the handle part 1.1 of the scissor-shaped cutting body 1. Multiple sets of opposing bearings 3 are rotatably provided on the inner walls of the clamping part 1.2 of the scissor-shaped cutting body 1. Each bearing 3 has a support shaft tightly fitted through its inner ring. Each support shaft is vertically arranged, and both ends of the support shaft are fixed to the clamping part 1.2. The side walls of the two bearings 3 in each set are in contact. Under the action of the tension spring 2 of the handle part 1.1, the two sides of the clamping part 1.2 of the scissor-shaped cutting body 1 move closer together, and the two bearings 3 in each set fit together to clamp the grooved paper.

[0018] The clamping part 1.2 of the scissor-shaped cutting body 1 is provided with guide rollers 4 on both sides of the bottom. When pushed by hand, the guide rollers 4 on both sides of the clamping part 1.2 roll along the top surface of the iron core corresponding to both sides of the iron core groove.

[0019] The hinge shaft 1.3 of the scissor-shaped cutting body 1 is fixed with a support frame 5. A motor 6 is installed on the support frame 5. The output shaft of the motor 6 faces downward and is coaxially fixed with a connecting shaft 9. The bottom end of the connecting shaft 9 extends downward through the gap between the two sides of the clamping part 1.2 to the bottom of the scissor-shaped cutting body 1, and the blade 7 is sleeved and fixed thereon. The blade 7 is a conventional round blade. Under the drive of the motor 6, the blade 7 is used to cut the grooved paper.

[0020] In actual operation, after the slotted paper is inserted into the iron core slot and the coil is pressed into the slotted paper inside the iron core slot, the device is used to cut the slotted paper exposed above the iron core slot. First, the handle 1.1 is operated to overcome the tension of the tension spring 2 and separate, while the two bearings 3 of each group on the clamping part 1.2 are separated. The separated clamping parts 1.2 are inserted along the end of the slotted paper, and the guide roller 4 contacts the top surface of the iron core. The handle 1.1 is released, and the clamping parts 1.2 are closed, while the bearings 3 of each group are attached and clamped on the slotted paper. Then, the motor 6 is started to drive the blade 7 to rotate. During the process of pushing the device along the top surface of the iron core, the blade 7 cuts from one end of the slotted paper to the other end, achieving the purpose of cutting the slotted paper. The whole process is simple to operate, does not require manual cutting, saves time and effort, and is highly efficient. Moreover, the entire cutting process is completed during the linear movement of the guide roller 4 along the top surface of the iron core, which can ensure the neatness of the cut.

[0021] It also includes a push rod 8, one end of which passes through one side of the handle portion 1.1 of the scissor-shaped cutting body 1 and is fixed to the inner wall of the other side; an elongated hole is provided on one side of the handle portion 1.1 to facilitate the passage of the push rod 8 and provide a certain swing space. When the handle portion 1.1 is separated by overcoming the tension of the tension spring 2, one only needs to hold one side of the handle portion 1.1 and push the end of the push rod 8, and the push rod 8 will push the other side of the handle portion 1.1 to overcome the tension of the tension spring 2 and separate it.

[0022] The support frame 5 includes an L-shaped base 5.1, an L-shaped machine base 5.2, a lead screw 5.3, and a threaded rod 5.4. The bottom surface of the horizontal section of the L-shaped base 5.1 is fixed to the top surface of the hinge shaft 1.3 of the scissor-shaped cutting body 1. The bottom end of the lead screw 5.3 is rotatably connected to the top end of the L-shaped base 5.1. The rotatable connection structure is existing technology, such as using a bearing seat connection. The specific structure will not be described in detail here. A connecting block 5.5 is screwed onto the lead screw 5.3. The connecting block 5.5 is fixedly connected to the top end of the L-shaped machine base 5.2. The horizontal section of the L-shaped machine base 5.2 is placed parallel above the horizontal section of the L-shaped base 5.1. A motor 6 is fixed on the top surface of the horizontal section of the L-shaped machine base 5.2. The output shaft of the motor 6 passes through the horizontal section of the L-shaped machine base 5.2 and is connected to the connecting shaft 9. The connecting shaft 9 passes through the horizontal section of the L-shaped base 5.1 and is fixed to the blade 7.

[0023] The vertical section of the L-shaped base 5.1 has an elongated hole 5.11. Two screws 5.4 pass through the elongated hole 5.11 from the back of the vertical section of the L-shaped base 5.1 and are fixedly connected to the vertical section of the L-shaped base 5.2. A limit nut 5.6 is screwed onto the screw 5.4 and abuts against the vertical section of the L-shaped base 5.1.

[0024] Based on the actual situation on site, the position of the blade 7 is adjusted by adjusting the height of the L-shaped base 5.2 so that the blade 7 is in the optimal position for cutting the grooved paper. Specifically, during adjustment, first loosen the limit nut 5.6, rotate the screw 5.3, and the rotation limit of the L-shaped base 5.2 is achieved by the limit of the screw 5.4 through the elongated hole 5.11, ensuring that the L-shaped base 5.2 can only move up and down under the guidance of the screw 5.4 and the elongated hole 5.11. After the adjustment is completed, tighten the limit nut 5.6.

[0025] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A generator stator and rotor slot paper cutting device, characterized in that, It includes a scissor-shaped cutting body, guide rollers, a motor, and blades; A tension spring is connected between the two sides of the handle of the scissor-shaped cutting body. Multiple sets of opposing bearings are rotatably provided on the inner walls of both sides of the clamping part of the scissor-shaped cutting body. The side walls of the two bearings in each set are in contact. The guide roller is rotatably provided at the bottom of the clamping part of the scissor-shaped cutting body. The hinge shaft of the scissor-shaped cutting body is fixed with a support frame at the top. The motor is installed on the support frame. The output shaft of the motor is set downward and is coaxially fixed with a connecting shaft. The bottom end of the connecting shaft extends downward to the bottom of the scissor-shaped cutting body and is fitted with and fixed with the blade.

2. The generator stator and rotor slot paper cutting device according to claim 1, characterized in that, It also includes a top rod, one end of which passes through one side of the handle portion of the scissor-shaped cutting body and is fixed to the inner wall on the other side.

3. The generator stator and rotor slot paper cutting device according to claim 1, characterized in that, The support frame includes an L-shaped base, an L-shaped machine base, a lead screw, and a threaded rod. The bottom end of the lead screw is rotatably connected to the top end of the L-shaped base. A connecting block is screwed onto the lead screw, and the connecting block is fixedly connected to the top end of the L-shaped machine base. An elongated hole is provided on the vertical section of the L-shaped base. The threaded rod passes through the elongated hole and is fixedly connected to the vertical section of the L-shaped machine base. A limiting nut is screwed onto the threaded rod, and the limiting nut abuts against the vertical section of the L-shaped base. The bottom of the horizontal section of the L-shaped base is fixed to the top of the hinge shaft of the scissor-shaped cutting body. The motor is fixed on the top surface of the horizontal section of the L-shaped base. The output shaft of the motor passes through the horizontal section of the L-shaped base and the horizontal section of the L-shaped base in sequence and is fixed to the blade.

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