New energy electric drive stator folding and bending wire feeding mechanism

Abstract

A new energy electric drive stator hairpin bending thread feeding mechanism, including thread clamping mechanism, multiple thread clamping mechanism is arranged side by side on the upper end of a work station level board, the back of work station level board is installed with first horizontal slide rail, the first horizontal slide rail is slidably connected with a connecting seat, the connecting seat is fixedly connected with a lifting driving device, the lower end of work station level board is fixedly connected with first mounting plate, the front of first mounting plate is provided with vertical sliding block, the vertical sliding block is slidably connected with vertical slide rail arranged on horizontal moving seat, the horizontal moving seat is fixedly connected with screw nut of screw assembly, screw rod of screw assembly is connected with servo motor through speed reduction mechanism, screw assembly and servo motor are fixedly installed on second mounting plate arranged on workbench, the front of horizontal moving seat is provided with a sensing sheet, the front of screw assembly is provided with two displacement limit sensors, a position sensor is arranged between the two displacement limit sensors, and the sensors and the sensing sheet cooperate to form the movement position information acquisition of the horizontal moving seat.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electric drive stator hairpin transmission, and particularly relates to a new energy electric drive stator hairpin bending and feeding mechanism. BACKGROUND

[0002] The driving motor plays a crucial role as a core component of a new energy vehicle. During the assembly of the driving motor, the formed hairpins need to be assembled, and the number of the hairpins needs to be strictly controlled.

[0003] As the number of layers of the flat wires required by the driving motor stator of the new energy vehicle is increasing, some have reached 8 layers, the number of slots is increasing, and some have reached 96 slots. The number of the hairpins corresponding to the stator flat wires is also increasing, and the failure of the entire stator will be caused by one more or one less hairpin.

[0004] At present, the existing hairpin bending mechanism bends and feeds the hairpin wires one by one. As the number of the hairpins of the motor winding is increasing, the single bending and feeding causes a long time consumption of the process steps, a large number of workstations, and waste of manpower and time, and low work efficiency. SUMMARY

[0005] The application aims at the deficiencies of the prior art, and provides a new energy electric drive stator hairpin bending and feeding mechanism to solve the problem that the hairpin wires cannot be fed and bent in multiple workstations.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a new energy electric drive stator hairpin bending and feeding mechanism, which comprises a wire clamping mechanism, a plurality of wire clamping mechanisms are arranged side by side on the upper end of a work level plate, a first horizontal sliding rail is installed on the back of the work level plate, a connecting seat is slidably connected on the first horizontal sliding rail, the connecting seat is fixedly connected with a lifting driving device, so that the work level plate can move in the vertical direction under the driving of the lifting driving device, a first mounting plate is fixedly connected to the lower end of the work level plate, a vertical sliding block is arranged on the front of the first mounting plate, the vertical sliding block is slidably connected with a vertical sliding rail arranged on a horizontal moving seat, a screw nut of a lead screw assembly is fixedly connected with the horizontal moving seat, a screw rod of the lead screw assembly is connected with a servo motor through a speed reduction mechanism, so that the horizontal moving seat can drive the work level plate to move in the horizontal direction under the driving of the servo motor, the lead screw assembly and the servo motor are fixedly installed on a second mounting plate arranged on a workbench, an inductive sheet is arranged on the front of the horizontal moving seat, the inductive sheet moves with the horizontal moving seat, two displacement limit sensors are arranged on the front of the lead screw assembly, and a position sensor is arranged between the two displacement limit sensors. These sensors cooperate with the inductive sheet to form the movement position information collection of the horizontal moving seat.

[0007] Preferably, the thread clamping mechanism is a thread clamping cylinder.

[0008] Preferably, the thread clamping mechanism is symmetrically provided with thread lifting pieces on both sides.

[0009] Preferably, the horizontal moving base is fixedly connected with a back plate, the back surface of the back plate is fixedly connected with a guide rail mounting plate, and the vertical sliding block is in sliding fit with the vertical sliding rail provided on the guide rail mounting plate.

[0010] Preferably, the guide rail mounting plate is provided with 2-3 vertical guide rails.

[0011] Preferably, the back surface of the lead screw assembly is further provided with a second horizontal sliding rail in sliding fit with the sliding block provided on the horizontal moving base.

[0012] Preferably, the sensing piece is in sliding fit with the opening slot provided on the displacement limit sensor and the position sensor.

[0013] Preferably, the sensor is an optical sensor.

[0014] Preferably, the back plate is fixedly connected with at least one triangular plate for reinforcing connection.

[0015] Preferably, the lifting driving device is a servo cylinder or a hydraulic lever.

[0016] Adopting the above scheme, the application provides the following technical scheme: a new energy electric drive stator hairpin bending and wire feeding mechanism, which comprises a wire clamping mechanism, a plurality of wire clamping mechanisms are arranged side by side on the upper end of a work station level plate, and can simultaneously transport a plurality of hairpin wires, a first horizontal sliding rail is installed on the back of the work station level plate, a connecting seat is slidingly connected on the first horizontal sliding rail, the connecting seat is fixedly connected with a lifting driving device, so that the work station level plate can move in the vertical direction under the driving of the lifting driving device, a first mounting plate is fixedly connected to the lower end of the work station level plate, a vertical sliding block is arranged on the front of the first mounting plate, the vertical sliding block is slidingly connected with a vertical sliding rail arranged on a horizontal moving seat, the horizontal moving seat is fixedly connected with a screw nut of a lead screw assembly, the lead screw rod of the lead screw assembly is connected with a servo motor through a speed reduction mechanism, so that the horizontal moving seat can drive the work station level plate to move in the horizontal direction under the driving of the servo motor, the lead screw assembly and the servo motor are fixedly installed on a second mounting plate arranged on a workbench, an inductive sheet is arranged on the front of the horizontal moving seat, the inductive sheet moves with the horizontal moving seat, two displacement limit sensors are arranged on the front of the lead screw assembly, and a position sensor is arranged between the two displacement limit sensors. These sensors cooperate with the inductive sheet to form the movement position information collection of the horizontal moving seat, and when the inductive sheet reaches the positions of the two position limit sensors, an alarm occurs to prevent the device from being damaged. By using the device, the transportation of a plurality of hairpin wires can be realized at the same time, the transportation efficiency can be effectively improved, and time can be saved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the application;

[0018] Figure 2 It is a structural schematic diagram of the application;

[0019] Figure 3 It is a structural schematic diagram of the application;

[0020] Figure 4 It is a partial schematic diagram of the application;

[0021] In the figure: 1 is a wire clamping mechanism, 2 is a work station level plate, 3 is a first horizontal sliding rail, 4 is a connecting seat, 5 is a lifting driving device, 6 is a first mounting plate, 7 is a vertical sliding block, 8 is a horizontal moving seat, 9 is a lead screw assembly, 10 is a servo motor, 11 is a second mounting plate, 12 is an inductive sheet, 13 is a displacement limit sensor, 14 is a position sensor, 15 is a vertical guide rail, 16 is a wire lifting sheet, 17 is a back plate, 18 is a guide rail mounting plate, 19 is a triangular plate, 20 is a second horizontal sliding rail, and 21 is a sliding block. DETAILED DESCRIPTION

[0022] Reference Figures 1 to 3The utility model provides a new energy electric drive stator hairpin bending thread feeding mechanism, including thread clamping mechanism 1, a plurality of thread clamping mechanism 1 is arranged in the upper end of one work station level board 2 side by side, can simultaneously carry out the capture to multiple hairpin threads, in addition, the spacing between thread clamping mechanism 1 can be freely set, with this embodiment as an example, the work station level board 2 has set up 5 thread clamping mechanism 1 in all, thread clamping mechanism 1 is gripper cylinder, thread clamping mechanism 1 both sides are symmetrically provided with the thread lifting piece 16, and the hairpin thread after being clamped and bent by thread clamping mechanism 1 can play the support of thread lifting piece 16, the back of work station level board 2 is installed first horizontal slide rail 3, and first horizontal slide rail 3 is slidably connected with a connecting seat 4, the connecting seat 4 is fixedly connected with a lifting drive device 5, so that work station level board 2 can be moved along the vertical direction under the drive of lifting drive device 5, lifting drive device 5 is servo cylinder or hydraulic cylinder, with this embodiment as an example, lifting drive device 5 is servo cylinder, the lower end of work station level board 2 is fixedly connected with first mounting plate 6, the front of first mounting plate 6 is provided with vertical sliding block 7, a back plate 17 is fixedly connected on horizontal moving seat 8, the back of back plate 17 is fixedly connected with a guide rail mounting plate 18, vertical sliding block 7 is slidably connected with the vertical slide rail provided on guide rail mounting plate 18, guide rail mounting plate 18 is provided with 2-3 vertical guide rails, which is favorable to the stability of vertical movement, with this embodiment as an example, guide rail mounting plate 18 is provided with 3 vertical guide rails, back plate 17 is fixedly connected with at least one triangular plate 19 for reinforcing connection, with this embodiment as an example, back plate 17 is provided with two triangular plates 19 for reinforcing connection.

[0023] Referring to Figure 2The horizontal moving base 8 is fixedly connected with a screw nut of a screw assembly 9, a screw rod of the screw assembly 9 is connected with a servo motor 10 through a speed reduction mechanism, so that the horizontal moving base 8 can be driven by the servo motor 10 to drive the work station equal height plate 2 to move in the horizontal direction, a second horizontal sliding rail 20 is further arranged on the back of the screw assembly 9 and is in sliding fit with a sliding block 21 arranged on the horizontal moving base 8, so as to further prevent the horizontal moving base 8 on the screw assembly 9 from moving longitudinally, the screw assembly 9 and the servo motor 10 are fixedly installed on a second mounting plate 11 arranged on the workbench, a sensing sheet 12 is arranged on the front of the horizontal moving base 8, the sensing sheet 12 moves with the horizontal moving base 8, two displacement limit sensors 13 are arranged on the front of the screw assembly 9, a position sensor 14 is arranged between the two displacement limit sensors 13, the position of the position sensor 14 is the initial position of the horizontal moving base 8, the sensing sheet 12 is in sliding fit with the opening slots arranged on the displacement limit sensors 13 and the position sensor 14, when the sensing sheet 12 moves into the opening slots of the sensors, the sensors can sense the sensing sheet 12, the sensors are photoelectric sensors, the sensors form the moving position information collection of the horizontal moving base 8 by cooperating with the sensing sheet 12, the moving range of the sensing sheet 12 is mainly between the two displacement limit sensors 13, when the sensing sheet 12 moves out of the two displacement limit sensors 13, an alarm will occur to prevent the device from being damaged.

[0024] In work, the wire head of the hairpin wire of the wire coil is placed on the wire clamping mechanism 1, the lifting driving device 5 and the servo motor 10 are started, under the action of the lifting driving device 5, the first mounting plate 6 and the work station equal height plate 2 are driven to move upwards, under the action of the servo motor 10, the horizontal moving base 8 moves horizontally on the screw assembly 9, at the same time, the horizontal moving base 8 also drives the first mounting plate 6 and the work station equal height plate 2 to move horizontally, when the work station equal height plate 2 moves upwards to a certain position, the bending machine will bend the hairpin wire in the wire clamping mechanism once, then continues to move upwards, when moves upwards to a certain position again, the bending machine will bend the hairpin wire in the wire clamping mechanism again once, until three times of bending are completed.

[0025] The above is only an embodiment of the present application, and any deformation and improvement made by those skilled in the art without departing from the structure of the present application is also regarded as the protection scope of the present application, and all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

Claims

1. A new energy electric drive stator hairpin bending thread feeding mechanism, comprising a thread clamping mechanism (1), characterized in that: A plurality of thread clamping mechanisms (1) are arranged side by side on the upper end of a work station level plate (2), the back of the work station level plate (2) is provided with a first horizontal sliding rail (3), a connecting seat (4) is slidably connected to the first horizontal sliding rail (3), the connecting seat (4) is fixedly connected with a lifting driving device (5), so that the work station level plate (2) can move in the vertical direction under the driving of the lifting driving device (5), the lower end of the work station level plate (2) is fixedly connected with a first mounting plate (6), the front of the first mounting plate (6) is provided with a vertical sliding block (7), the vertical sliding block (7) is slidably connected with a vertical sliding rail provided on a horizontal moving seat (8), a back plate (17) is fixedly connected to the horizontal moving seat (8), the back of the back plate (17) is fixedly connected with a guide rail mounting plate (18), the vertical sliding block (7) is slidably connected with a vertical sliding rail provided on the guide rail mounting plate (18), the horizontal moving seat (8) is fixedly connected with a screw nut of a lead screw assembly (9), the back of the lead screw assembly (9) is further provided with a second horizontal sliding rail (20) which is slidably connected with a sliding block (21) provided on the horizontal moving seat (8), the screw rod of the lead screw assembly (9) is connected with a servo motor (10) through a speed reduction mechanism, so that the horizontal moving seat (8) can drive the work station level plate (2) to move in the horizontal direction under the driving of the servo motor (10), the lead screw assembly (9) and the servo motor (10) are fixedly mounted on a second mounting plate (11) provided on a workbench, the front of the horizontal moving seat (8) is provided with a sensing sheet (12), the sensing sheet (12) moves with the horizontal moving seat (8), the front of the lead screw assembly (9) is provided with two displacement limit sensors (13), a position sensor (14) is arranged between the two displacement limit sensors (13), the sensors form a moving position information collection of the horizontal moving seat (8) by cooperating with the sensing sheet (12).

2. The new energy electric drive stator folding and bending wire feeding mechanism according to claim 1, characterized in that: The thread clamping mechanism (1) is a clamping jaw cylinder.

3. The new energy electric drive stator folding and bending wire feeding mechanism according to claim 1, characterized in that: The thread clamping mechanism (1) is symmetrically provided with a thread lifting piece (16) on both sides.

4. The new energy electric drive stator fan folding and bending thread mechanism according to claim 1, characterized in that: The guide rail mounting plate (18) is provided with 2-3 vertical guide rails (15).

5. The new energy electric drive stator fan folding and bending thread mechanism according to claim 1, characterized in that: The sensing sheet (12) is slidably connected with the opening slots provided on the displacement limit sensors (13) and the position sensor (14).

6. The new energy electric drive stator card bending and thread feeding mechanism according to claim 1, characterized in that: The sensor is an optical sensor.

7. The new energy electric drive stator card bending and thread feeding mechanism according to claim 1, characterized in that: The back plate (17) is fixedly connected with at least one triangular plate (19) for reinforcing connection.

8. The new energy electric drive stator card bending and thread feeding mechanism according to claim 1, characterized in that: The lifting driving device (5) is a servo cylinder or a hydraulic cylinder.

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