Straightening Device for Generator Stator Lead

Abstract

Straightening device for generator stator leads, comprising a frame. There is a first guiding slide rail at the upper part of the frame. The first guiding slide rail is slidably fitted with a wire head clamping mechanism composed of left and right clamping blocks. A first air cylinder drives the right clamping block, and a rotary air cylinder drives the left clamping block. There is a second guiding slide rail below the first guiding slide rail. The second guiding slide rail is fixed on a straightening displacement plate. A fifth air cylinder drives the straightening displacement plate. The second guiding slide rail is slidably fitted with a lead straightening mechanism composed of left and right lead straightening blocks. A second air cylinder drives the right lead straightening block, and a fourth air cylinder drives the left lead straightening block. There is a lead positioning mechanism composed of left and right lead positioning blocks between the wire head clamping mechanism and the lead straightening mechanism. A third air cylinder drives the right lead positioning block. The left lead positioning block is fixed to the left clamping block. There is a stator mounting table below the straightening displacement plate. The stator mounting table is connected to the nut of a lead screw mechanism which is erected. The lead screw of the lead screw mechanism is connected to a servo electric cylinder. The lead screw mechanism and the servo electric cylinder are installed on a fixed bracket.

Description

Technical Field

[0001] The present invention relates to the field of generator stator lead-out wires, and particularly to the field of straightening of generator stator lead-out wires. Background Art

[0002] The stator is an important component of a generator. The main function of the stator is to generate a rotating magnetic field, and the current is led out by the lead-out wires fixed on the stator. After the wire embedding of the generator is completed, its lead-out wires are bent, messy and have large position deviations. In order to ensure that the subsequent processes such as shaping of the enameled wire coil, bending of the lead-out wires, cutting, and removing the enamel do not damage the lead-out wires, it is necessary to straighten the lead-out wires so that their positions are within a stable range. Currently, in the traditional process, the stator lead-out wires are straightened and pulled one by one manually. However, due to the large number of lead wires involved, the manual efficiency is low and the labor intensity is high. Summary of the Invention

[0003] An object of the present invention is to provide a straightening device for generator stator leads in view of the deficiencies of the prior art, which can straighten multiple leads on the stator simultaneously, with high efficiency and speed.

[0004] The present invention is realized as follows. A straightening device for generator stator leads includes a frame, characterized in that: two first guiding slide rails are arranged on the upper part of the frame, and a wire-end clamping mechanism composed of left and right clamping blocks is slidably matched on the first guiding slide rails. The right clamping block of the wire-end clamping mechanism is driven by a first cylinder, and the left clamping block is driven by a rotary cylinder. Two second guiding slide rails are arranged below the first guiding slide rails, and the second guiding slide rails are fixed on a straightening displacement plate. The straightening displacement plate is driven by a fifth cylinder. A lead wire straightening mechanism composed of left and right lead wire straightening blocks is slidably matched on the second guiding slide rails. The right lead wire straightening block of the lead wire straightening mechanism is driven by a second cylinder, and the left lead wire straightening block is driven by a fourth cylinder. A lead wire positioning mechanism composed of left and right lead wire positioning blocks is arranged between the wire-end clamping mechanism and the lead wire straightening mechanism. The right lead wire positioning block of the lead wire positioning mechanism is fixedly connected to a third cylinder, and the left lead wire positioning block of the lead wire positioning mechanism is fixedly connected to the left clamping block of the wire-end clamping mechanism. A stator mounting table is arranged below the straightening displacement plate, and the stator mounting table is connected to the nut of a lead screw mechanism arranged vertically. The lead screw of the lead screw mechanism is connected to a servo electric cylinder, and the lead screw mechanism and the servo electric cylinder are mounted on a fixed bracket.

[0005] Preferably, a finger cylinder is arranged below the stator mounting table.

[0006] Preferably, the nut of the lead screw mechanism is slidably matched with a guide rail arranged on the fixed bracket.

[0007] Preferably, a plurality of grooves are provided on the left clamping block of the wire end clamping mechanism, and a plurality of teeth are provided on the right clamping block, forming a corresponding relationship between the teeth and the grooves. Each groove provided on the left clamping block and each tooth provided on the right clamping block correspond to the positions of the respective leads on the stator.

[0008] Preferably, a plurality of V-shaped grooves are provided on the left lead positioning block, and a plurality of V-shaped teeth are provided on the right lead positioning block, forming a corresponding relationship between the teeth and the grooves. Each groove provided on the left lead positioning block and each tooth provided on the right lead positioning block correspond to the positions of the respective leads on the stator.

[0009] Preferably, the bottom of the V-shaped groove on the left lead positioning block is circular arc.

[0010] Preferably, a plurality of flat head clamping blocks are provided on the left lead straightening block of the lead straightening mechanism, and a plurality of V-shaped groove clamping blocks are provided on the right lead straightening block. A plurality of yielding grooves for the other party to insert are provided on each flat head clamping block and each V-shaped groove clamping block in the vertical direction, and the yielding grooves of the flat head clamping blocks and the yielding grooves of the V-shaped groove clamping blocks are staggered.

[0011] Preferably, a lead limiting groove penetrating the right lead straightening block up and down is provided at the bottom of the groove of the V-shaped groove clamping block of the right lead straightening block.

[0012] Preferably, the fourth cylinder is connected with a push plate, a strip-shaped guide groove is provided on the push plate, a guide pin fixedly connected with the left lead straightening block is slidably fitted in the strip-shaped guide groove, and the push plate is slidably fitted with a third guide rail provided on the frame, and the left lead straightening block is driven to displace by the fourth cylinder.

[0013] Preferably, a third cylinder mounting seat is fixed on the frame, a guide rod is fixedly connected to the third cylinder mounting seat, the third cylinder is assembled to the third cylinder mounting seat, and the piston rod of the third cylinder is fixed on the third cylinder mounting seat.

[0014] Advantages of the present invention:

[0015] The present invention can straighten all the lead-out wires of a motor stator at the same time, improves the working efficiency, reduces the manual labor intensity, enables the stator to quickly enter the next process, and shortens the processing time of the whole stator. Description of the drawings

[0016] Figure 1 is a schematic structural diagram of the present invention;

[0017] Figure 2 is Figure 1 the A-A sectional view of

[0018] Figure 3 is Figure 1 the B-B sectional view of

[0019] Figure 4 It is a schematic structural diagram of the stator lifting part of the present invention;

[0020] Figure 5 It is a schematic structural diagram A of the stator lead straightening part of the present invention;

[0021] Figure 6 It is a schematic structural diagram B of the stator lead straightening part of the present invention;

[0022] Figure 7 It is a schematic structural diagram A of the wire head clamping mechanism of the present invention;

[0023] Figure 8 It is a schematic structural diagram B of the wire head clamping mechanism of the present invention;

[0024] Figure 9 It is a schematic structural diagram of the lead positioning mechanism of the present invention;

[0025] Figure 10 It is a schematic structural diagram A of the lead straightening mechanism of the present invention;

[0026] Figure 11 It is a schematic structural diagram B of the lead straightening mechanism of the present invention. Detailed implementation manners

[0027] See Figures 1 to 11The present invention provides a straightening device for a stator lead of a generator, comprising a frame, characterized in that: two first guide rails 20 are arranged on the upper part of the frame, and a wire end clamping mechanism composed of left and right clamping blocks is slidably matched on the first guide rails 20, and the right clamping block 2 of the wire end clamping mechanism is driven by the first cylinder 1, and the left clamping block 3 is driven by the rotating cylinder 13. A plurality of grooves are arranged on the left clamping block 3 of the wire end clamping mechanism, and a plurality of teeth are arranged on the right clamping block 2 to form teeth-groove correspondence, and each groove arranged on the left clamping block 3 and each tooth arranged on the right clamping block 2 respectively correspond to the position of each lead on the stator, and two second guide rails 16 are arranged below the first guide rail 20, and the second guide rails 16 are fixed on the straightening displacement plate 2 7, the straightening displacement plate 27 is driven by the fifth cylinder 28, there are two fifth cylinders 28, and the two fifth cylinders 28 are used to drive the displacement straightening plate 27, the second guide rail 16 is slidably matched with the lead straightening mechanism composed of left and right lead straightening blocks, the right lead straightening block 7 of the lead straightening mechanism is driven by the second cylinder 8, and the left lead straightening block 6 is driven by the fourth cylinder 14, the fourth cylinder 14 is connected with a push plate 24, the push plate 24 is provided with a strip guide groove 25, the guide pin 26 fixedly connected to the left lead straightening block 6 is slidably matched in the strip guide groove 25, the push plate 24 is slidably matched with the third guide rail 30 set on the frame, and the left lead straightening block 6 is driven to move by the fourth cylinder 14. At this time, the fourth cylinder 14 is perpendicular to the movement direction of the left lead straightening block 6, and the strip guide groove 25 is oblique to their movement directions. A plurality of flat-head clamping blocks 22 are arranged on the left lead straightening block 6 of the lead straightening mechanism, and a plurality of V-groove clamping blocks 23 are arranged on the right lead straightening block 7. The bottom of the groove of the V-groove clamping block 23 of the right lead straightening block 7 is provided with a lead limiting groove 19 that passes through the right lead straightening block from top to bottom, which is used to limit the position of the stator lead. Each flat-head clamping block 22 and each V-groove clamping block 23 are provided with a plurality of makeshift grooves for the insertion of the other party in the vertical direction. The makeshift grooves of the flat-head clamping block 22 are staggered with the makeshift grooves of the V-groove clamping block 23. A lead positioning mechanism composed of left and right lead positioning blocks is arranged between the wire head clamping mechanism and the lead straightening mechanism. The right lead wire positioning block 4 is fixedly connected to the third cylinder 12, a third cylinder mounting seat 29 is fixed on the frame, a guide rod 21 is fixedly connected to the third cylinder mounting seat 29, the third cylinder 12 is equipped with the third cylinder mounting seat 29, the piston rod of the third cylinder 12 is fixed on the third cylinder mounting seat 29, the left lead wire positioning block 5 of the lead wire positioning mechanism is fixedly connected to the left clamping block 6 of the wire end clamping mechanism, a plurality of V-shaped grooves are arranged on the left lead wire positioning block 5, the bottom of the V-shaped groove on the left lead wire positioning block 5 is an arc 18, a plurality of V-shaped teeth are arranged on the right lead wire positioning block 4, forming teeth and grooves corresponding to each other, each groove arranged on the left lead wire positioning block 5 and each tooth arranged on the right lead wire positioning block 6 respectively correspond to the position of each lead wire on the stator,A stator mounting table 9 is provided below the straightening displacement plate 27. A finger cylinder 11 is provided below the stator mounting table 9 for fixing the stator. The stator mounting table 9 is connected to a nut of a lead screw mechanism arranged vertically. The nut of the lead screw mechanism is in sliding fit with a guide rail provided on a fixed bracket 10. The lead screw of the lead screw mechanism is connected to a servo electric cylinder 15. The lead screw mechanism and the servo electric cylinder 15 are mounted on the fixed bracket 10.,

[0028] The usage method of a straightening device for generator stator leads of the present invention is as follows. First, the stator mounting table 9 is at the top of the frame. Workers first place the stator on the stator mounting table 9, and then the servo electric cylinder 15 drives the stator mounting table 9 to descend so that the stator leads reach the lead positioning mechanism. Then, the rotary cylinder 13 drives the left clamping block 3 of the wire head clamping mechanism and the left lead straightening block 5 of the lead positioning mechanism to the stator leads. The third cylinder 12 drives the right lead alignment block 4 to the stator leads. At this time, the left and right lead alignment blocks clamp, making the stator leads located at the bottom of the V-shaped groove of the left lead alignment block 5 within the arc 18. Then, the servo electric cylinder 15 drives the stator mounting table 9 to descend again for the preliminary alignment of the stator leads. Then, the fourth cylinder 14 makes the guide pin 26 fixedly connected to the left lead straightening block 6 move along the strip-shaped guide groove 25 on the push plate 24, causing the left lead straightening block 6 to move to the stator leads. Then, the second cylinder 8 drives the right lead straightening block 7 to move to the stator leads. At this time, the flat head clamping block 22 on the left lead straightening block 6 and the V-shaped groove clamping block 23 on the right lead straightening block 7 clamp alternately, making the stator leads fall into the lead limiting groove 19 of the right lead straightening block 7. Then, the right clamping block 2 of the wire head clamping mechanism is driven to the stator leads by the first cylinder 1 and clamps with the left clamping block 3. Then, the displacement straightening plate 27 is driven to displace downward by the fifth cylinder 28 to complete the entire lead straightening action. Finally, the displacement straightening plate 27, the lead straightening mechanism, the lead alignment mechanism, and the wire head clamping mechanism are reset successively. The stator mounting table 9 rises to the top of the frame, and the stator is taken out.,

[0029] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Modifications made by those skilled in the art to the present invention without departing from the spirit of the present invention fall within the protection scope of the present invention.,

Claims

1. A straightening device for the stator lead of a generator, comprising a frame, characterized in that: Two first guide rails (20) are arranged on the upper part of the frame. A thread end clamping mechanism composed of left and right clamping blocks is slidably matched on the first guide rails (20). The right clamping block (2) of the thread end clamping mechanism is driven by the first cylinder (1), and the left clamping block (3) is driven by the rotating cylinder (13). Two second guide rails (16) are arranged below the first guide rails (20). The second guide rails (16) are fixed on a straightening displacement plate (27). The straightening displacement plate (27) is driven by a fifth cylinder (28). The second guide rails (16) are slidably matched on the lead wire straightening mechanism composed of left and right lead wire straightening blocks. The right lead wire straightening block (7) of the lead wire straightening mechanism is driven by the first cylinder (1). The lead wire straightening block (6) is driven by the second cylinder (8), and the left lead wire straightening block (6) is driven by the fourth cylinder (14). A lead wire positioning mechanism composed of left and right lead wire positioning blocks is arranged between the wire end clamping mechanism and the lead wire straightening mechanism. The right lead wire positioning block (4) of the lead wire positioning mechanism is fixedly connected to the third cylinder (12). The left lead wire positioning block (5) of the lead wire positioning mechanism is fixedly connected to the left clamping block (3) of the wire end clamping mechanism. A stator mounting platform (9) is arranged below the straightening displacement plate (27). The stator mounting platform (9) is connected to a nut of a vertically arranged lead screw mechanism. The screw of the lead screw mechanism is connected to a servo electric cylinder (15). The lead screw mechanism and the servo electric cylinder (15) are mounted on a fixed bracket (10).

2. The straightening device for the generator stator lead according to claim 1, characterized in that: A finger cylinder (11) is arranged below the stator mounting platform (9).

3. The straightening device for the generator stator lead according to claim 1, characterized in that: The nut of the screw mechanism is slidably matched with a guide rail provided on the fixed bracket (10).

4. The straightening device for the generator stator lead according to claim 1, characterized in that: The left clamping block (3) of the wire end clamping mechanism is provided with a plurality of slots, and the right clamping block (2) is provided with a plurality of teeth, so that the teeth and slots correspond to each other, and each slot provided on the left clamping block (3) and each tooth provided on the right clamping block (2) respectively correspond to the position of each lead wire on the stator.

5. The straightening device for the generator stator lead according to claim 1, characterized in that: The left lead wire positioning block (5) is provided with a plurality of V-shaped grooves, and the right lead wire positioning block (4) is provided with a plurality of V-shaped teeth, so that the teeth and the grooves correspond to each other, and each groove provided on the left lead wire positioning block (5) and each tooth provided on the right lead wire positioning block (4) respectively corresponds to the position of each lead wire on the stator.

6. The straightening device for the generator stator lead according to claim 5, wherein: The bottom of the V-shaped groove on the left lead positioning block (5) is an arc (18).

7. The straightening device for the generator stator lead according to claim 1, characterized in that: The left lead straightening block (6) of the lead straightening mechanism is provided with a plurality of flat head clamping blocks (22), and the right lead straightening block (7) is provided with a plurality of V-groove clamping blocks (23). Each flat head clamping block (22) and each V-groove clamping block (23) is provided with a plurality of clearance grooves for insertion of the other in a vertical direction, and the clearance grooves of the flat head clamping block (22) and the clearance grooves of the V-groove clamping block (23) are staggered.

8. The straightening device for the generator stator lead according to claim 7, characterized in that: A lead wire limiting groove (19) is provided at the bottom of the groove of the V-shaped groove clamping block (23) of the right lead wire straightening block (7) and passes through the right lead wire straightening block (7) from top to bottom.

9. The straightening device for the generator stator lead according to claim 1, characterized in that: The fourth cylinder (14) is connected with a push plate (24). A strip-shaped guide groove (25) is provided on the push plate (24). A guide pin (26) fixedly connected to the left lead straightening block (6) is slidably fitted in the strip-shaped guide groove (25). The push plate (24) is slidably fitted with a third guide rail (30) provided on the frame. The left lead straightening block (6) is driven to displace by the fourth cylinder (14).

10. The straightening device for the generator stator lead according to claim 1, characterized in that: A third cylinder mounting seat (29) is fixed on the frame. A guide rod (21) is fixedly connected to the third cylinder mounting seat (29). The third cylinder (12) is assembled on the third cylinder mounting seat (29). The piston rod of the third cylinder (12) is fixed on the third cylinder mounting seat (29).

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