Motor stator three-phase terminal protection cover and assembling method

Abstract

The patent application discloses a motor stator three-phase terminal protection cover and an assembling method, relates to the technical field of motor stator manufacturing, and comprises a flange connecting seat and an industrial camera. A thermal resistance protection mechanism and a terminal protection mechanism are installed at the lower end of the flange connecting seat. A resistance clamping air cylinder and a resistance protection cover are arranged on the thermal resistance protection mechanism. A terminal clamping air cylinder, an upper protection cover and a lower protection cover are arranged on the terminal protection mechanism. The patent application designs two protection covers, the protection cover structure is compact, the clamping effect is prominent, the work is very smooth, the assembly rhythm conforms to the technological process of the production line, the two protection cover forms are split structures, the positioning pins at the front ends of the air cylinders arranged on the mechanical hand are used for installation and fixation, the epoxy resin powder has a certain influence on the human body, therefore, the automatic installation and disassembly of the protection cover can reduce the use of personnel, full-automatic production is realized, and the manufacturing technological effect is prominent, especially for the production line, and the patent application is very suitable for popularization and use.

Description

Technical Field

[0001] This patent application relates to the field of electronic stator manufacturing technology, specifically to a three-phase terminal protective cover for a motor stator and its assembly method. Background Technology

[0002] The stator is a crucial component of motors such as generators and starters. It consists of three parts: the stator core, stator windings, and the frame. The stator's primary function is to generate a rotating magnetic field, while the rotor's main function is to be cut by magnetic lines of force within this rotating magnetic field, thereby generating (outputting) current. Due to the increasing demand for motors, traditional manual labor has been largely phased out, replaced by automated production processes. A critical step in stator manufacturing is the insulation coating process, which requires insulating solder joints. However, the terminal interfaces cannot be coated during manufacturing; they and the thermistors need protection to prevent powder contamination. Therefore, protective covers are required to protect the stator ports and thermistors. Originally, this was done manually on the production line. However, to achieve fully automated production, our company's technicians, after on-site investigation and structural analysis of the motor stator, designed a specialized protective cover to protect the stator during the coating process. Summary of the Invention

[0003] The purpose of this patent application is to provide a protective cover for the three-phase terminals of a motor stator and an assembly method thereof, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this patent application provides the following technical solution: a three-phase terminal protection cover for a motor stator, including a flange connection seat and an industrial camera. The lower end of the flange connection seat is equipped with a thermistor protection mechanism and a terminal protection mechanism. The thermistor protection mechanism is provided with a resistor clamping cylinder and a resistor protection cover. The terminal protection mechanism is provided with a terminal clamping cylinder, an upper protection cover, and a lower protection cover.

[0005] Furthermore: resistor clamping brackets are installed on both sides of the resistor clamping cylinder, and a resistor protection cover positioning pin is provided at the front end of the resistor clamping bracket. The electronic protection cover is installed at the front end of the resistor protection cover positioning pin.

[0006] Preferably, the resistor protection cover has a symmetrical split structure, the upper end of the resistor protection cover is provided with a replaceable protective groove, and a magnet is fixedly installed at the lower part of the resistor protection cover.

[0007] Furthermore: the lower end of the terminal clamping cylinder is provided with an upper protective cover positioning pin, and the back of the upper protective cover is provided with an upper protective cover positioning mounting hole, and the upper protective cover positioning pin can be installed in the upper protective cover positioning mounting hole; the lowest end of the terminal protection mechanism is provided with a lower protective cover positioning pin, and the back of the lower protective cover is provided with a lower protective cover positioning mounting hole. Both the upper and lower protective covers have a certain degree of magnetism, which can better fit and fix the lowest end of the flange connection seat.

[0008] Preferably, the upper protective cover has an air inlet at its upper end and an air outlet at its lower front end, and a terminal protection post at its lower end; the lower protective cover has a guide post at its upper middle, and the guide post has grooves in its middle and on its left and right sides. The grooves can be fitted with the terminal protection post with a clearance, so that the guide post can be better combined and clamped during the fitting process of the upper and lower protective covers.

[0009] Preferably, the industrial camera has a light source bracket at its lower end, and an LED light is fixedly installed on the light source bracket to increase illumination and improve the recognition rate. The industrial camera has a guide positioning rod at its upper end, and the root of the guide positioning rod is fixedly installed on the flange connecting seat.

[0010] Preferably, the lower end of the flange connection seat is a triangular prism, with a thermistor protection mechanism and a terminal protection mechanism fixed on two sides, and a spare protection cylinder fixedly installed on the remaining side. The lower end of the spare protection cylinder is provided with a spare upper positioning pin and a spare lower positioning pin, which can further realize multi-purpose use and realize the coating manufacturing of motor stators of different models.

[0011] Compared with existing technologies, the beneficial effects of this patent application are as follows: This patent application designs two protective covers for two different parts of the motor stator, and the two protective covers for different parts have a compact structure and excellent clamping effect; the protective covers are automatically and smoothly operated by the cylinder; the assembly rhythm conforms to the process flow of the production line; the two types of protective covers are separate structures, which are installed and fixed by the positioning pins at the front end of the cylinder set on the robotic arm; since epoxy resin powder is an inhalable powder and has a certain impact on the human body, the automatic installation and removal of protective covers can reduce the use of personnel, achieve fully automated production, and the overall effect is very outstanding, especially in terms of the manufacturing process of the production line, making it very suitable for widespread use. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this patent application; Figure 2 This is an isometric view of the present patent application; Figure 3 Opening drawing for this patent application; Figure 4 This is a clamping diagram for this patent application; Figure 5 This is a bottom view of the patent application; Figure 6 This is an enlarged view of point A; Figure 7 This is an enlarged view of point B; Figure 8 This is a diagram of the back of the upper and lower protective covers; Figure 9 Top view of the resistor protection cover; Figure 10 This is a schematic diagram of the cross-section at CC. Figure 11 This is a diagram showing the structure of the motor stator.

[0013] In the diagram: 1. Flange connector, 2. Guide positioning post, 3. Industrial camera, 4. Light source bracket, 5. Thermistor protection mechanism, 6. Terminal protection mechanism, 7. Reserved protection cylinder, 8. Three-phase terminal, 9. Thermistor, 501. Resistor clamping cylinder, 502. Resistor clamping bracket, 503. Resistor protection cover, 504. Resistor protection cover positioning pin, 505. Replaceable protection groove, 506. Magnet, 601. Terminal clamping cylinder, 602. Upper protection cover, 603. Lower protection cover, 604. Guide post, 605. Groove, 606. Terminal protection post, 607. Air inlet, 608. Air outlet, 609. Upper protection cover positioning mounting hole, 610. Lower protection cover positioning mounting hole, 611. Upper protection cover positioning pin, 612. Lower protection cover positioning pin, 701. Spare upper positioning pin, 702. Spare lower positioning pin. Detailed Implementation

[0014] The following description of the present patent application will be based on the accompanying drawings of the embodiments. However, it is worth noting that the present patent application is not limited to these embodiments. In the detailed description of the present patent application below, some specific details are described in detail. However, for the parts that are not described in detail, those skilled in the art can fully understand the present patent application.

[0015] Furthermore, those skilled in the art should understand that the accompanying drawings are provided only to illustrate the purpose, features, and advantages of this patent application, and are not actually drawn to scale.

[0016] Furthermore, unless the context explicitly requires it, the words "comprising," "including," and similar terms throughout the specification and claims should be interpreted as including rather than exclusive or exhaustive; that is, meaning "including but not limited to."

[0017] Please see Figures 1-11This patent application provides a technical solution: 1. A three-phase terminal protection cover for a motor stator, including a flange connecting seat 1 and an industrial camera 3. The lower end of the flange connecting seat 1 is equipped with a thermistor protection mechanism 5 and a terminal protection mechanism 6. The thermistor protection mechanism 5 is provided with a resistor clamping cylinder 501 and a resistor protection cover 503. The terminal protection mechanism 6 is provided with a terminal clamping cylinder 601, an upper protection cover 602 and a lower protection cover 603.

[0018] The resistor clamping cylinder 501 is equipped with resistor clamping brackets 502 on both sides. The front end of the resistor clamping bracket 502 is provided with a resistor protection cover positioning pin 504. The electronic protection cover 503 is installed at the front end of the resistor protection cover positioning pin 504.

[0019] The resistor protection cover 503 has a symmetrical split structure. The upper end of the resistor protection cover 503 is provided with a replaceable protective groove 505, and a magnet 506 is fixedly installed on the lower part of the resistor protection cover 503.

[0020] The lower end of the terminal clamping cylinder 601 is provided with an upper protective cover positioning pin 611, and the back of the upper protective cover 602 is provided with an upper protective cover positioning mounting hole 609, and the upper protective cover positioning pin 611 can be installed in the upper protective cover positioning mounting hole 609; the lower end of the terminal protection mechanism 6 is provided with a lower protective cover positioning pin 612, and the back of the lower protective cover 603 is provided with a lower protective cover positioning mounting hole 610.

[0021] The upper protective cover 602 has an air inlet 607 at its upper end and an air outlet 608 at its lower front end. The lower end of the upper protective cover 602 has a terminal protection post 606. The upper end of the lower protective cover 603 has a guide post 604 in the middle. The guide post 604 has grooves 605 in the middle and on both sides. The grooves 605 can be clearance-fitted with the terminal protection post 606.

[0022] The industrial camera 3 has a light source bracket 4 at its lower end and a guide positioning rod 2 at its upper end. The root of the guide positioning rod 2 is fixedly installed on the flange connecting seat 1.

[0023] The lower end of the flange connecting seat 1 is a triangular prism, with a thermistor protection mechanism 5 and a terminal protection mechanism 6 fixed on two sides, and a spare protection cylinder 7 fixedly installed on the remaining side. The lower end of the spare protection cylinder 7 is provided with a spare upper positioning pin 701 and a spare lower positioning pin 702.

[0024] The assembly method for the three-phase terminal protective cover of the motor stator is as follows: Step 1: The front end of the robot arm is fixed with the flange connecting seat 1. Then, the industrial camera 3 is used to position and photograph the thermistor protection mechanism 5 and the terminal protection mechanism 6 on the production line to grasp and install them. Specifically, the thermistor protection cover 503, the upper protection cover 602 and the lower protection cover 603 are picked up by the resistor protection cover positioning pin 504, the upper protection cover positioning pin 611 and the lower protection cover positioning pin 612 respectively. The resistor protection cover 503, the upper protection cover 602 and the lower protection cover 603 have a certain degree of magnetism, which can further make them stick together.

[0025] Step 2: The robot arm moves to the upper end of the positioning on the production line and continues to be positioned by the industrial camera 3. The front end of the robot arm rotates the flange connecting seat 1 to the appropriate position. At this time, the resistor clamping cylinder 501 and the terminal clamping cylinder 601 are in the open state. After the robot arm moves to the appropriate position, it clamps the resistor protection cover 503, aligns the upper protection cover 602 and the lower protection cover 603, and automatically connects the air inlet pipe at the upper end of the air inlet 607. Finally, the robot arm separates the resistor protection cover 503, the upper protection cover 602 and the lower protection cover 603. Due to the interaction of forces, the separation force is greater than the magnetic force.

[0026] Step 3: The protected stator begins the coating process. At this time, the automatic spray gun sprays epoxy resin powder, and at the same time, the air inlet 607 is continuously filled with air through the air pipe to achieve a positive pressure effect, preventing dust from entering the middle of the upper protective cover 602 and the lower protective cover 603.

[0027] Step 4: After coating is completed, another robotic arm uses a clamping device to move to the designated position and wait for baking.

[0028] Step 5: Remove the protective cover. The operation is the same as in step 2. Remove the resistor protective cover 503, the upper protective cover 602 and the lower protective cover 603. Then the robot moves to the corresponding position and places the protective cover in the designated position (material bin) for the next use. Repeat this process.

[0029] In the first step, if the motor stators are of different models, the lower end of the spare protection cylinder 7 has the same structure as the terminal protection mechanism 6, only the size is different. This way, the terminals can be protected for different models of motor stators.

[0030] The replaceable protective slot 505 in the middle of the resistor protection cover 503 in the first step can also be replaced according to different models of motor stators, so as to achieve the purpose of one cover for multiple uses. Different protective covers can be made for different models, realizing the storage of multiple models, and enabling different models of motor stators to be coated on one production line.

[0031] Although embodiments of the present patent application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present patent application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A three-phase terminal protection cover for a motor stator, comprising a flange connection seat (1) and an industrial camera (3), characterized in that: A thermistor protection mechanism (5) and a terminal protection mechanism (6) are installed at the lower end of the flange connection seat (1). The thermistor protection mechanism (5) is equipped with a resistor clamping cylinder (501) and a resistor protection cover (503). The terminal protection mechanism (6) is equipped with a terminal clamping cylinder (601), an upper protective cover (602), and a lower protective cover (603). Resistor clamping brackets (502) are installed on both sides of the resistor clamping cylinder (501). A resistor protection cover positioning pin (504) is provided at the front end of the resistor clamping bracket (502). The resistor protection cover (503) is installed at the front end of the resistor protection cover positioning pin (504); the resistor protection cover (503) is a symmetrical split structure, the upper end of the resistor protection cover (503) is provided with a replaceable protection groove (505), and a magnet (506) is fixedly installed at the lower end of the resistor protection cover (503); the lower end of the terminal clamping cylinder (601) is provided with an upper protection cover positioning pin (611), and the back of the upper protection cover (602) is provided with an upper protection cover positioning mounting hole (609), and the upper protection cover positioning pin (611) can be installed in the upper protection cover positioning mounting hole (609); the terminal protection The lower end of the mechanism (6) is provided with a lower protective cover positioning pin (612), and the back of the lower protective cover (603) is provided with a lower protective cover positioning mounting hole (610); the upper end of the upper protective cover (602) is provided with an air inlet (607), the lower front end of the upper protective cover (602) is provided with an air outlet (608), and the lower end of the upper protective cover (602) is provided with a terminal protection post (606); the middle of the upper end of the lower protective cover (603) is provided with a guide post (604), and the middle and left and right sides of the guide post (604) are provided with grooves (605), and the grooves (605) can be clearance-fitted with the terminal protection post (606).

2. The motor stator three-phase terminal protection cover according to claim 1, characterized in that: The industrial camera (3) has a light source bracket (4) at its lower end and a guide positioning rod (2) at its upper end. The root of the guide positioning rod (2) is fixedly installed on the flange connecting seat (1).

3. The motor stator three-phase terminal protection cover according to claim 2, characterized in that: The lower end of the flange connecting seat (1) is a triangular prism, with a thermistor protection mechanism (5) and a terminal protection mechanism (6) fixed on two sides, and a spare protection cylinder (7) fixed on the remaining side. The spare protection cylinder (7) is provided with a spare upper positioning pin (701) and a spare lower positioning pin (702) at its lower end.

4. The assembly method of the motor stator three-phase terminal protective cover according to any one of claims 1-3, characterized in that: Step 1: The front end of the robot arm is fixed with the flange connection seat (1), and then the thermistor protection mechanism (5) and terminal protection mechanism (6) on the production line are picked up and installed by the positioning and taking pictures of the industrial camera (3). That is, the resistor protection cover (503), the upper protection cover (602) and the lower protection cover (603) are picked up by the resistor protection cover positioning pin (504), the upper protection cover positioning pin (611) and the lower protection cover positioning pin (612) respectively. The resistor protection cover (503), the upper protection cover (602) and the lower protection cover (603) have a certain magnetism and can be further attached to each other. Step 2: The robot moves to the upper end of the positioning on the production line and continues to be positioned by the industrial camera (3). The front end of the robot rotates the flange connecting seat (1) to the appropriate position. At this time, the resistance clamping cylinder (501) and the terminal clamping cylinder (601) are in the open state. After the robot moves to the appropriate position, it clamps the resistance protection cover (503), aligns the upper protection cover (602) and the lower protection cover (603), and automatically connects the air inlet pipe at the upper end of the air inlet (607). Finally, the robot separates the resistance protection cover (503), the upper protection cover (602) and the lower protection cover (603). Due to the interaction of forces, the separation force is greater than the magnetic force. Step 3: The protected stator begins the coating process. At this time, the automatic spray gun sprays epoxy resin powder, and at the same time, the air inlet (607) is continuously filled with air through the air pipe to achieve a positive pressure effect, preventing dust from entering the middle of the upper protective cover (602) and the lower protective cover (603). Step 4: After coating is completed, another robotic arm uses a clamping device to move to the designated position and wait for baking; Step 5: Remove the protective cover. The operation is the same as in Step 2. Remove the resistor protective cover (503), the upper protective cover (602) and the lower protective cover (603). Then the robot moves to the corresponding position and places the protective cover in the designated position (material hopper) for the next use. This process is repeated in sequence.

5. The assembly method of the motor stator three-phase terminal protective cover according to claim 4, characterized in that: In the first step, if the motor stators are of different models, the lower end of the spare protection cylinder (7) and the terminal protection mechanism (6) have the same structure, but different specifications and sizes. This way, the terminals can be protected for different models of motor stators.

6. The assembly method of the motor stator three-phase terminal protective cover according to claim 5, characterized in that: The replaceable protective slot (505) in the middle of the resistor protection cover (503) in the first step can also be replaced according to different models of motor stators, so as to achieve the purpose of one cover for multiple uses.

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