Glue wetting wire binding integrated machine and rotor production method

Abstract

The present invention discloses a glue-wetting wire binding machine, comprising a frame, a driving spindle is arranged on the frame, a clamp is arranged on the end of the driving spindle, a wire passer and a glue storage device are also arranged on the frame, the wire passer and the glue storage device are connected, a lateral moving mechanism is arranged between the wire passer and the frame, the glue storage device is connected with a pressurizing mechanism, and the wire passer is connected with a heater. The present invention can reduce the size of the motor, especially the size of the rotor, has a simple production method, low cost, and reliable and stable quality.

Description

Technical Field

[0001] The invention belongs to the field of rotor production equipment, and more specifically relates to a glue-wetting wire binding integrated machine. Background Art

[0002] During rotor production, after the magnets are affixed, stainless steel sleeves are needed to cover and secure all the magnets to prevent the magnets from falling off in harsh environments. However, stainless steel sleeves are difficult to process, have a low yield rate, are difficult to control roundness and tolerance, and are thick. As a result, motor designers must consider increasing the distance between the rotor and the stator, which increases the overall size of the motor and affects the overall efficiency of the motor. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a glue-wetting wire binding all-in-one machine that can reduce the size of a motor, especially the size of a rotor, has a simple production method, is low in cost, and has reliable and stable quality.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a glue-wetting wire binding machine, comprising a frame, a driving spindle is arranged on the frame, a clamp is arranged on the end of the driving spindle, a wire passer and a glue storage device are also arranged on the frame, the wire passer and the glue storage device are connected, a lateral moving mechanism is arranged between the wire passer and the frame, the glue storage device is connected to a pressurizing mechanism, and the wire passer is connected to a heater.

[0005] Further, the clamp is a three-jaw chuck.

[0006] Furthermore, a machine tool ejector coaxial with the driving spindle is arranged on the frame.

[0007] Furthermore, the lateral movement mechanism includes a lead screw arranged in parallel with the driving main shaft, the lead screw is slidably connected to the frame along the axial direction of the lead screw, and a driving nut is provided on the lead screw.

[0008] Furthermore, the outer periphery of the driving nut is provided with gear teeth, and a plurality of reduction gears are provided between the driving nut and the driving main shaft.

[0009] The pressurizing mechanism is further a booster pump.

[0010] The heater further comprises a heating wire arranged in the wire passer.

[0011] Furthermore, a wire release device is also provided on the frame.

[0012] A method for producing a rotor using a glue-wetting wire binding machine,

[0013] 1) Stick the magnet to the rotor surface and then fix the rotor to the drive shaft;

[0014] 2) Start the booster pump and heater to pressurize the glue in the glue storage tank and the wire feeder, and heat the glue at the same time;

[0015] 3) Use the wire release device to pass the wire through the wire passer, and stick the end of the wire to the magnetic steel of the rotor, start the drive spindle to rotate, and start winding the wire around the magnetic steel surface;

[0016] 4) Stop when the entire rotor magnetic steel surface is covered with binding wire, cut the binding wire, remove the rotor, put it in an oven at 110°C and bake for 2 hours, then take out the finished product.

[0017] Compared with the prior art, the beneficial effects of the present invention are: the magnet on the rotor is fixed by binding wire, the binding wire passes through a wire passer filled with glue, and the binding wire is tied to the magnet while the glue is used to completely fix the binding wire and the magnet. The diameter of the binding wire is much smaller than the wall thickness of the stainless steel sleeve. The thinnest wall thickness of the stainless steel sleeve is 0.8mm, and the diameter of the binding wire can reach 0.05mm, which reduces the size of the rotor, further reduces the size of the entire motor, and improves the performance parameters of the entire motor. Secondly, the cost is greatly reduced. The production cost of the binding wire is about 1 / 3 of that of the stainless steel sleeve. At the same time, the binding wire with glue tied to the magnet can prevent axial movement when the glue between the magnet and the rotor fails. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural diagram of the glue wetting wire binding integrated machine of the present invention;

[0019] Figure 2 It is a schematic diagram of the driving structure of the lead screw in the present invention.

[0020] Figure numerals: 1. frame; 2. machine head; 3. lead screw; 4. fixture; 5. glue storage device; 6. wire guide; 7. wire release device; 8. machine tool ejector; 9. temperature controller; 10. driving spindle; 11. driving nut; 12. anti-rotation pin; 13. reduction gear. DETAILED DESCRIPTION

[0021] Reference Figure 1 and Figure 2 The embodiment of the glue-wetting wire binding machine of the present invention is further described.

[0022] A glue-wetting wire binding machine includes a frame 1, a driving spindle 10 is provided on the frame 1, a clamp 4 is provided at the end of the driving spindle 10, a wire passer 6 and a glue storage 5 are also provided on the frame 1, the wire passer 6 and the glue storage 5 are connected, a lateral moving mechanism is provided between the wire passer 6 and the frame 1, the glue storage 5 is connected to a pressurizing mechanism, and the wire passer 6 is connected to a heater.

[0023] The wire passer 6 is in the shape of a hollow cylinder, and has holes at both ends for the binding wires to pass through.

[0024] Preferably, a wire unwinder 7 is disposed on the frame 1, and a machine head 2 is disposed on the frame 1, a driving spindle 10 is arranged on the machine head 2, and the driving spindle 10 is rotated by connecting to a motor.

[0025] The binding wire passes through the wire passer 6 through the wire unwinder 7, and the glue in the glue storage device 5 enters the wire passer 6 and is coated on the binding wire. The end of the binding wire passes through the wire passer 6 and is wrapped around the magnetic steel surface of the rotor. The magnetic steel is first glued to the rotor with glue, and then the entire rotor is fixed on the clamp 4. As the drive spindle 10 rotates, the binding wire is continuously wrapped around the magnetic steel. At the same time, the lateral moving mechanism causes the wire passer 6 to move along the axial direction of the drive spindle 10, and the binding wire can be tied to the magnetic steel in turn. The pressurizing mechanism ensures that the binding wire can be completely soaked when passing through the wire passer 6. At the same time, the heater increases the temperature of the glue in the wire passer 6 to enhance fluidity.

[0026] The clamp 4 in this embodiment is preferably a three-jaw chuck.

[0027] In the preferred embodiment of the present invention, the frame 1 is also provided with a machine tool ejector 8 coaxial with the driving spindle 10. After the rotor is fixed on the three-jaw chuck, the other end is supported by the machine tool ejector 8 to avoid rotor deviation during rotation and improve stability.

[0028] The preferred lateral movement mechanism of this embodiment includes a lead screw 3 arranged in parallel with the driving spindle 10, the lead screw 3 is also arranged on the machine head 2, the lead screw 3 is connected to the frame 1 along the axial direction of the lead screw 3, a driving nut 11 is arranged on the lead screw 3, and gear teeth are arranged on the outer periphery of the driving nut 11. A plurality of reduction gears 13 are arranged between the driving nut 11 and the driving spindle 10, such as Figure 2 As shown, as the driving spindle 10 rotates, the binding wire is wound around the surface of the magnetic steel. Through the transmission of the reduction gear 13 and the driving nut 11, the lead screw 3 will move axially, causing the wire passer 6 to continuously move toward the direction of the unwound magnetic steel, even if the wire binding process and the wire outlet position of the wire passer 6 change synchronously.

[0029] The number and gear ratio of the reduction gears 13 can be matched according to the diameter of the binding wire. At the same time, in order to prevent the screw 3 from rotating, an anti-rotation pin 12 is provided in the present embodiment, and a hole cooperating with the anti-rotation pin 12 is provided on the machine head 2, so that the screw 3 can only move in the axial direction. Of course, as long as the connection between the screw 3 and the machine head 2 adopts a non-cylindrical shape, the screw 3 can be prevented from rotating, which will not be elaborated here.

[0030] The pressurizing mechanism in this embodiment is preferably a booster pump, which is used to pressurize the glue storage container 5 so that the glue inside enters the wire passer 6 and increases the pressure inside the wire passer 6 so that the glue wets the binding wire.

[0031] The heater in this embodiment preferably includes a heating wire arranged in the wire passer 6. A temperature controller 9 for controlling the temperature of the heating wire may also be provided on the frame 1 to ensure uniformity of product quality.

[0032] A method for producing a rotor using a glue-wetting wire binding machine,

[0033] 1) Attach the magnet to the rotor surface and then fix the rotor to the drive spindle 10;

[0034] 2) Start the booster pump and heater to pressurize the glue in the glue storage device 5 and the wire feeder 6, and heat the glue at the same time;

[0035] 3) The binding wire is passed through the wire feeder 6 by the wire release device 7, and the end of the binding wire is attached to the magnetic steel of the rotor. The driving spindle 10 is started to rotate and the binding wire begins to be wound around the magnetic steel surface;

[0036] 4) Stop when the entire rotor magnetic steel surface is covered with binding wire, cut the binding wire, remove the rotor, put it in an oven at 110°C and bake for 2 hours, then take out the finished product.

[0037] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A glue-wetting wire binding machine, characterized by: It includes a frame, a driving spindle is arranged on the frame, a clamp is arranged on the end of the driving spindle, a wire passer and a glue storage device are also arranged on the frame, the wire passer and the glue storage device are connected, a lateral movement mechanism is arranged between the wire passer and the frame, the glue storage device is connected to a pressurizing mechanism, the pressurizing mechanism is a booster pump, the wire passer is connected to a heater, the heater includes a heating wire arranged in the wire passer, a wire release is also arranged on the frame, the clamp is a three-jaw chuck, a machine tool ejector coaxial with the driving spindle is also arranged on the frame, the lateral movement mechanism includes a lead screw arranged parallel to the driving spindle, the lead screw and the frame are slidably connected along the axial direction of the lead screw, a driving nut is arranged on the lead screw, gear teeth are arranged on the outer periphery of the driving nut, and a plurality of reduction gears are arranged between the driving nut and the driving spindle.

2. A method for producing a rotor using the glue wet wire binding machine as claimed in claim 1, characterized in that: 1) Stick the magnet to the rotor surface and then fix the rotor to the drive shaft; 2) Start the booster pump and heater to pressurize the glue in the glue storage device and the wire feeder, and heat the glue at the same time; 3) Use the wire release device to pass the wire through the wire passer, and stick the end of the wire to the magnetic steel of the rotor, start the drive spindle to rotate, and start winding the wire around the magnetic steel surface; 4) Stop when the entire rotor magnetic steel surface is covered with binding wires, cut the binding wires, remove the rotor, put it in an oven at 110°C and bake for 2 hours, then take out the finished product.

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