Stator and rotor punching stack riveting assembly equipment and motor punching assembly method

Abstract

The present invention relates to the field of stator and rotor assembly technology, and discloses a stator and rotor punching stack riveting assembly equipment and a motor punching assembly method, including a core column, a base fixed at the bottom end of the core column, and an assembly plate sleeved on the outside of the core column. The present invention can drive the upper extrusion seat to move and assemble on the core column through a driving assembly mechanism to facilitate the iron core extrusion work. After the iron core is extruded, the end of the bar steel is inserted into the slide groove of the lower extrusion seat, and then the lower extrusion seat, the pressure roller drive assembly and the upper extrusion seat are started in sequence, so that the bar steel can be embedded in the outer wall of the iron core, and the two ends are bent and clamped on the end face of the iron core, so as to realize the installation of the bar steel. The equipment has a small manual operation workload, efficient and stable operation, and can effectively improve efficiency in the extrusion work of the iron core and the subsequent assembly of the bar steel, saving the assembly time of the iron core, with high safety, and convenient for large-scale assembly of large straight slot iron cores.

Description

Technical Field

[0001] The invention relates to the technical field of stator and rotor assembly, and in particular to a stator and rotor punching stack riveting assembly device and a motor punching assembly method. Background Art

[0002] The iron core on the motor stator and rotor is mainly assembled from multiple layers of stamped metal sheets. For large iron cores, the metal sheets are generally stacked and then extruded into shape by hydraulic equipment. If necessary, the extruded stator and rotor are welded or reinforced by other means. For straight groove iron core, sinking lamination equipment is often used. Such equipment mainly includes a core column arranged underground, an annular support plate installed outside the core column and driven by a hydraulic cylinder, a detachable annular top plate arranged at the top of the core column, and a plurality of rollers capable of vertical movement arranged around the core column. In actual use, the iron core is first sleeved on the core column and stacked on the annular support plate, then the annular top plate is installed, and finally the hydraulic cylinder is started to push the annular support plate up to squeeze the iron core between the annular support plate and the annular top plate, so as to achieve stacking riveting. However, after stacking riveting, it is necessary to embed bar steel in a plurality of straight grooves on the outer wall of the iron core. In the existing operation, the bar steel is first manually inserted into the straight groove, and then the roller is driven to move up by the hydraulic cylinder. When the roller just moves up along the straight groove, the bar steel is squeezed, so that the bar steel is deformed and stuck in the straight groove, and finally the top of the bar steel is knocked to bend it and fit the top surface of the iron core. Under this assembly method, there are many manual operation steps, a large workload, a long time to assemble the iron core, and a low assembly efficiency, which is not conducive to mass production. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention provides a stator and rotor punching stack riveting assembly device and a motor punching assembly method, which have the advantages of high assembly efficiency and solve the problems of large workload and low assembly efficiency of the current sinking type stack riveting equipment when stacking and riveting large stator and rotor iron cores.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a stator and rotor punching stack riveting assembly device, comprising a core column, a base fixed at the bottom end of the core column and an assembly plate sleeved on the outside of the core column, and also comprising a lower extrusion seat, an upper extrusion seat, a drive assembly mechanism, a pressure roller and a pressure roller drive assembly;

[0005] The lower extrusion seat and the upper extrusion seat have the same structure and are symmetrical up and down. The lower extrusion seat is connected to the base through a first hydraulic cylinder. The lower extrusion seat includes an annular support plate. The side wall of the annular support plate is provided with a plurality of slide grooves. A vertical slider is slidably connected in the slide groove. The lower extrusion seat and the upper extrusion seat are used to extrude the iron core and fix the end of the bar steel.

[0006] The driving assembly mechanism comprises a movable crossbeam located above the stem, the upper extrusion seat is fixedly mounted at the bottom of the crossbeam, and the driving assembly mechanism is used to drive the upper extrusion seat to move and be mounted on the top of the stem;

[0007] The number of the pressure rollers is the same as that of the slide grooves and their positions correspond. The pressure roller drive assembly is mounted on the assembly plate and is used to drive the plurality of pressure rollers to move vertically and radially along the core column.

[0008] When the iron core is sleeved on the core column, the driving assembly mechanism is operated to force the upper extrusion seat to move and be installed on the top of the core column, and the first hydraulic cylinder is operated to drive the lower extrusion seat to move upward, thereby extruding the iron core to achieve riveting;

[0009] After riveting, one end of the steel bar is inserted into the slide groove on the lower extrusion seat. When the lower extrusion seat is in operation, the vertical slider is forced to move upward and clamp one end of the steel bar. When the pressure roller driving assembly is in operation, the pressure roller is first driven upward to bend the steel bar and then embed it into the outer wall of the iron core. Then the pressure roller is driven to move radially along the core column to bend the top of the steel bar. Finally, the upper extrusion seat is operated to force the vertical slider to move downward and further bend the strip rod and lock it to the top wall of the iron core to install the steel bar.

[0010] Preferably, the driving assembly mechanism also includes a second vertically arranged hydraulic cylinder, one end of the cross beam is installed on the top of the second hydraulic cylinder, and the other end of the cross beam is fixedly connected to two symmetrically distributed connecting seats, both of which are fixed to the upper extrusion seat, and both of the connecting seats are provided with external slot holes, and the bottom of the cross beam is also fixedly connected to an electric slide, and a sliding push block is installed on the electric slide, and a pin is fixedly connected to one side of the sliding push block, and the pin extends into the external slot hole, and the shape of the pin matches the shape of the external slot hole.

[0011] Preferably, an inner slot hole is formed on the side wall of the top end of the core column, and the inner slot hole has the same shape as the outer slot hole.

[0012] Preferably, an outer gear ring is fixedly connected to the bottom of the crossbeam, the outer gear ring is rotatably connected to the top of the second hydraulic cylinder, an adjusting motor is fixedly connected to the side wall of the top of the second hydraulic cylinder, an adjusting gear is fixedly connected to the output shaft of the adjusting motor, and the adjusting gear is meshed with the outer gear ring.

[0013] The top end of the driving member is fixedly provided with a toothed plate, and the toothed plate is connected with the toothed plate by the toothed plate, and the toothed plate is connected with the toothed plate by the toothed plate.

[0014] Preferably, the pressure roller driving assembly includes a third hydraulic cylinder fixed on the mounting plate and an annular base plate located above the mounting plate, the output end of the third hydraulic cylinder faces upward and is fixedly connected to the bottom of the annular base plate, a plurality of slide rails are fixedly connected to the surface of the annular base plate, a plurality of slide rails are slidably connected to a horizontal slider, and the pressure roller is rotatably connected to one end of the horizontal slider.

[0015] Preferably, an insertion rod is fixed to the end of the transverse sliding block away from the pressure roller, and the end of the insertion rod away from the transverse sliding block is movably plugged into the end of the slide rail, and an arc end block is also fixed to the end of the insertion rod away from the transverse sliding block, a transverse spring is fixed between the arc end block and the slide rail, and the transverse spring is sleeved on the outside of the insertion rod, and the outer edge of the annular base plate is rotatably connected with an outer movable ring, and the inner wall of the outer movable ring is fixed with a second inner gear ring and an arc-shaped protrusion, and the arc-shaped protrusion is provided with a plurality of and all are located at the top of the second inner gear ring, and the arc-shaped protrusion is consistent in height with the arc-shaped end block, and the top of the annular base plate is fixedly connected to an upper mounting frame, and the upper mounting frame is fixedly connected to a transmission motor, and the output shaft of the transmission motor is fixedly connected to a transmission gear, and the transmission gear meshes with the second inner gear ring.

[0016] Preferably, a plurality of the slide rails are fixedly connected to a main rail on the top, the main rail is in the same direction as the slide rail, an automatic loading mechanism is provided at the end of the main rail away from the core column, the automatic loading mechanism includes a material box, a bracket is fixed to the bottom of the material box, discharge holes are opened on both sides of the material box, the discharge holes are connected to the inner cavity of the material box, a secondary guide rail is provided on the side of the discharge hole close to the core column, the secondary guide rail is fixedly connected to the material box, one end of the secondary guide rail is connected to the discharge hole, and the other end of the secondary guide rail corresponds to the end position of the main rail, the side wall of the material box is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a push rod, and one end of the push rod is inserted into the discharge hole.

[0017] Preferably, two groups of obliquely arranged auxiliary stop bars are fixedly connected to the top of the auxiliary guide rail, and two groups of obliquely arranged main stop bars are fixed to the top of the main guide rail.

[0018] The invention also discloses a motor punching sheet assembly method, which uses the above-mentioned stator and rotor punching sheet stacking and riveting assembly equipment.

[0019] Compared with the prior art, the present invention provides a stator and rotor punching stack riveting assembly device and a motor punching assembly method, which have the following beneficial effects:

[0020] 1. The stator and rotor punching stack riveting assembly equipment and the motor punching assembly method are provided with a driving assembly mechanism, a pressure roller, a pressure roller driving assembly, and an upper extrusion seat and a lower extrusion seat with the same structure and symmetrical distribution. The driving assembly mechanism can drive the upper extrusion seat to move and assemble it on the core column. After the iron core is extruded, the end of the bar steel is inserted into the slide groove of the lower extrusion seat, and then the lower extrusion seat, the pressure roller driving assembly and the upper extrusion seat are started in sequence, so that the bar steel can be embedded in the outer wall of the iron core, and the two ends are bent and clamped on the end face of the iron core, which is conducive to the installation of the bar steel. The equipment has a small manual operation workload and efficient and stable operation. It can effectively improve the efficiency in the extrusion work of the iron core and the subsequent assembly of the bar steel, save the assembly time of the iron core, has high safety, and is convenient for the mass assembly of large straight slot iron cores.

[0021] 2. This type of stator and rotor punching riveting assembly equipment and motor punching assembly method, by setting up multiple groups of automatic feeding mechanisms and main guides, can store multiple steel bars at the same time through the material box. When the steel bars are installed, the cylinder is started and the steel bars in the material box are pushed to move along the secondary guide rails and the main guide rails in turn, and finally inserted into the slide groove, which can realize the automatic feeding of multiple steel bars, further reduce the workload and improve the assembly efficiency.

[0022] 3. This type of stator and rotor punching riveting assembly equipment and motor punching assembly method, by respectively arranging a main stopper and an auxiliary stopper on the main guide rail and the auxiliary guide rail, is conducive to limiting the two sides of the bar steel when the bar steel is bent upward, ensuring that the bar steel smoothly enters the straight groove outside the iron core after bending, avoiding displacement of the bar steel when bending, making the equipment more stable and the assembly success rate higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of a stator and rotor punching stack riveting assembly device of the present invention;

[0024] Figure 2 It is a schematic diagram of the installation structure of the lower extrusion seat of the present invention;

[0025] Figure 3 For the present invention Figure 2 A magnified view of part A;

[0026] Figure 4 It is a structural schematic diagram of the pressure roller driving assembly of the present invention;

[0027] Figure 5 For the present invention Figure 4 A magnified view of part B;

[0028] Figure 6 It is a structural schematic diagram of the drive assembly mechanism of the present invention;

[0029] Figure 7 It is a schematic diagram of the installation structure of the drive motor of the present invention;

[0030] Figure 8 It is a working schematic diagram of a stator and rotor punching stack riveting assembly device of the present invention;

[0031] Fig. 9 For the present invention Figure 8 Enlarged view of part C;

[0032] Fig.10 It is a three-dimensional structural schematic diagram of the automatic feeding structure of the present invention;

[0033] Fig.11 This is a diagram showing the assembly effect of the iron core and the bar steel of the present invention.

[0034] In the figure: 1, core column; 100, inner slot hole; 2, base; 3, assembly plate; 4, lower extrusion seat; 401, annular support plate; 402, slide groove; 403, vertical slide block; 404, upper end block; 405, vertical spring; 406, lower end block; 407, annular base block; 408, inner movable ring; 409, ratchet block; 410, first inner gear ring; 411, lower mounting frame; 412, drive motor; 413, drive gear; 5, upper extrusion seat; 6, drive assembly mechanism; 601, crossbeam; 602, second hydraulic cylinder; 603, connecting seat; 604, outer slot hole; 605, electric slide; 606, sliding push block; 607, pin column; 608, outer gear ring; 609, adjusting motor; 610, adjusting gear; 7, pressure roller; 8, pressure roller drive assembly; 801, third hydraulic cylinder; 802, annular base plate; 803, slide rail; 804, horizontal slide block; 805, plug rod; 806, arc surface end block; 807, horizontal spring; 808, outer movable ring; 809, second inner gear ring; 810, arc-shaped protrusion; 811, upper mounting frame; 812, transmission motor; 813, transmission gear; 814, main guide rail; 815, main stop rod; 9, first hydraulic cylinder; 10, automatic feeding mechanism; 101, material box; 102, discharge hole; 103, auxiliary guide rail; 104, cylinder; 105, push rod; 106, auxiliary stop rod. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] As introduced in the background technology, the deficiencies in the prior art exist. In order to solve the above technical problems, the present application proposes a stator and rotor punching stack riveting assembly device and a motor punching assembly method.

[0037] Example 1: Please refer to Figure 1-Figure 6 , a stator and rotor punching stack riveting assembly device, comprising a core column 1, a base 2 fixed at the bottom end of the core column 1 and an assembly plate 3 sleeved on the outside of the core column 1, and also comprising a lower extrusion seat 4, an upper extrusion seat 5, a drive assembly mechanism 6, a pressure roller 7 and a pressure roller drive assembly 8;

[0038] The lower extrusion seat 4 and the upper extrusion seat 5 have the same structure and are symmetrical up and down. The lower extrusion seat 4 is connected to the base 2 through the first hydraulic cylinder 9. The lower extrusion seat 4 includes an annular support plate 401. The side wall of the annular support plate 401 is provided with a plurality of slide grooves 402. A vertical slider 403 is slidably connected in the slide groove 402. The lower extrusion seat 4 and the upper extrusion seat 5 are used to extrude the iron core and fix the end of the bar steel.

[0039] The driving assembly mechanism 6 comprises a movable crossbeam 601 located above the stem 1, the upper extrusion seat 5 is fixedly mounted at the bottom of the crossbeam 601, and the driving assembly mechanism 6 is used to drive the upper extrusion seat 5 to move and be mounted on the top of the stem 1;

[0040] The number of the pressure rollers 7 and the slide slots 402 are the same and their positions are corresponding. The pressure roller driving assembly 8 is installed on the assembly plate 3. The pressure roller driving assembly 8 is used to drive the plurality of pressure rollers 7 to move vertically and radially along the core column 1.

[0041] When the iron core is sleeved on the core column 1, the driving assembly mechanism 6 is operated to force the upper extrusion seat 5 to move and be installed on the top of the core column 1, and the first hydraulic cylinder 9 is operated to drive the lower extrusion seat 4 to move upward, thereby extruding the iron core to achieve riveting;

[0042] After riveting, one end of the bar steel is inserted into the slide groove 402 on the lower extrusion seat 4. When the lower extrusion seat 4 is in operation, the vertical slider 403 is forced to move up and clamp one end of the bar steel. When the roller driving assembly 8 is in operation, the roller 7 is first driven to move up, the bar steel is bent and then embedded into the outer wall of the core, and then the roller 7 is driven to move radially along the core column 1 to bend the top of the bar steel. Finally, the upper extrusion seat 5 is operated to force the vertical slider 403 to move down and further bend the bar rod and lock it on the top wall of the core, so as to install the bar steel.

[0043] Among them, the iron core installed in this embodiment is a straight groove iron core, and the outer wall of the iron core is provided with multiple groups of evenly distributed vertical grooves. During actual installation, a groove is preset on the bottom surface, the base 2 is fixed in the groove underground, the top of the core column 1 extends to the top of the groove, and the assembly plate 3 is fixed on the ground. At this time, the assembly plate 3 is sleeved on the outside of the core column 1 and just covers the groove. The first hydraulic cylinder 9 is provided in multiple and evenly surrounds the core column 1, and is used to drive the lower extrusion seat 4 to move vertically;

[0044] When in use, the stacked iron core is first placed on the core column 1. At this time, the iron core is located on the annular support plate 401 of the lower extrusion seat 4, and the multiple vertical grooves on the outer wall of the iron core just correspond to the multiple slide grooves 402 on the annular support plate 401. Then the driving assembly mechanism 6 is started. When the driving assembly mechanism 6 is in operation, the crossbeam 601 is active, and the entire upper extrusion seat 5 is moved to the top of the core column 1 and assembled and connected with the core column 1. At this time, the annular support plate 401 on the upper extrusion seat 5 is located directly above the iron core. Then the first hydraulic cylinder 9 is started. The first hydraulic cylinder 9 drives the lower extrusion seat 4 to move upward, thereby driving the iron core to move upward. When the iron core contacts the upper extrusion seat 5, it is squeezed, thereby realizing the stacking riveting work. After the stacking riveting work, multiple bar steels are placed horizontally and one end is inserted into the multiple slide grooves 402 on the edge of the lower annular support plate 401. , then the lower extrusion seat 4 operates to force the vertical slider 403 to move up along the slide groove 402 to fix the end of the bar steel, and then the pressure roller driving assembly 8 is started. The pressure roller driving assembly 8 drives multiple pressure rollers 7 to move up. At this time, the pressure roller 7 moves up along the straight groove on the iron core, first bending the iron core, and then embedding the middle part of the iron core into the straight groove on the iron core. When the pressure roller 7 moves to the top edge of the iron core, the pressure roller driving assembly 8 operates again to make the pressure roller 7 move along the radial direction of the core column 1, thereby pushing the top end of the bar steel, so that the top end of the bar rod is bent toward the top surface of the iron core. Finally, the upper extrusion seat 5 operates to force multiple sliders on the upper extrusion seat 5 to move down. The downward movement of the slider further bends the bent top end of the bar steel until it fits the top wall of the iron core. At this time, the middle part of the bar steel is embedded in the side wall of the iron core, and the two ends are bent and close to the upper and lower end surfaces of the iron core, so as to tighten the iron core;

[0045] By setting up a driving assembly mechanism 6, a pressure roller 7, a pressure roller driving assembly 8, and an upper extrusion seat 5 and a lower extrusion seat 4 with the same structure and symmetrical distribution, the driving assembly mechanism 6 can drive the upper extrusion seat 5 to move and assemble it on the core column 1. After the iron core is extruded, the end of the bar steel is inserted into the slide groove 402 of the lower extrusion seat 4, and then the lower extrusion seat 4, the pressure roller driving assembly 8 and the upper extrusion seat 5 are started in sequence, so that the bar steel can be embedded in the outer wall of the iron core, and the two ends are bent and clamped on the end face of the iron core, which is conducive to the installation of the bar steel. The equipment has a small manual operation workload and efficient and stable operation. It can effectively improve the efficiency in the extrusion work of the iron core and the subsequent assembly of the bar steel, saves the assembly time of the iron core, has high safety, and is convenient for large-scale assembly operations of large straight slot iron cores.

[0046] Example 2: See Figure 6 , Figure 8 and Fig.11 , which is different from the above embodiment, the driving assembly mechanism 6 also includes a second hydraulic cylinder 602 arranged vertically, one end of the crossbeam 601 is installed on the top of the second hydraulic cylinder 602, and the other end of the crossbeam 601 is fixedly connected to two symmetrically distributed connecting seats 603, both of which are fixed to the upper extrusion seat 5, and both of which are provided with outer slots 604, and the bottom of the crossbeam 601 is also fixedly connected to an electric slide 605, and a sliding push block 606 is installed on the electric slide 605, and a pin 607 is fixedly connected to one side of the sliding push block 606 , the pin 607 extends into the outer slot hole 604, the shape of the pin 607 matches the shape of the outer slot hole 604, the top side wall of the core column 1 is provided with an inner slot hole 100, the inner slot hole 100 has the same shape as the outer slot hole 604, the bottom of the crossbeam 601 is fixedly connected with an outer gear ring 608, the outer gear ring 608 is rotatably connected to the top of the second hydraulic cylinder 602, the top side wall of the second hydraulic cylinder 602 is fixedly connected with an adjusting motor 609, the output shaft of the adjusting motor 609 is fixedly connected with an adjusting gear 610, and the adjusting gear 610 is meshed with the outer gear ring 608;

[0047] The bottom end of the second hydraulic cylinder 602 is fixed on the ground, the connecting seat 603 is set to be L-shaped, and the direction of the electric slide 605 is consistent with the direction of the outer slot hole 604. When in use, the adjusting motor 609 is started, and the adjusting motor 609 drives the adjusting gear 610 to rotate. When the adjusting gear 610 rotates, it drives the outer gear ring 608 to rotate, and then drives the crossbeam 601 to swing. When the crossbeam 601 swings, it drives the upper extrusion seat 5 to move until the upper extrusion seat 5 moves to the top of the core column 1, and then starts The hydraulic cylinder is driven, and after the hydraulic cylinder is operated, the crossbeam 601 is driven to move downward, and the upper extrusion seat 5 is driven to move downward so that it is sleeved on the core column 1. At this time, the inner slot hole 100 on the core column 1 matches the position of the outer slot holes 604 on the two connecting seats 603, and then the electric slide 605 is started. After the electric slide 605 is operated, the sliding push block 606 is driven to move, and the sliding push block 606 drives the pin 607 to move and simultaneously plug the two outer slot holes 604 and the inner slot hole 100, thereby realizing the installation of the upper extrusion seat 5 and the core column 1;

[0048] By setting up the driving assembly mechanism 6, the second hydraulic cylinder 602 and the adjusting motor 609 can be used to drive the crossbeam 601 to move vertically and swing, which is beneficial to adjusting the position of the upper extrusion seat 5, so that the upper extrusion seat 5 is placed on the core column 1, and then the horizontal slide is used to drive the pin 607 to be inserted into the core column 1, which is beneficial to realize the connection between the upper extrusion seat 5 and the core column 1. Compared with the existing technology, the degree of automation is higher and the loading and unloading process is faster, so as to facilitate the mass assembly of the iron core. The adjusting motor 609 can make the upper extrusion seat 5 detach from the top of the core column 1 when unloading. Therefore, the iron core can be pre-stacked and then hoisted onto the core column 1 during installation, without stacking layer by layer, which is also more convenient.

[0049] Example 3, see Figure 2-Figure 7, which is different from the above embodiment, the annular support plate 401 is sleeved on the outside of the core column 1, the bottom end of the vertical slider 403 extends to the outside of the slide groove 402 and is provided with an inclined surface, an upper end block 404 is fixed on the surface of the vertical slider 403, a vertical spring 405 is fixedly connected to the bottom of the upper end block 404, a lower end block 406 is fixedly connected to the bottom of the vertical spring 405, and the lower end block 406 is fixedly connected to the outer wall of the annular support plate 401, the lower extrusion seat 4 also includes an annular base block 407 fixed to the bottom of the annular support plate 401, the output end of the first hydraulic cylinder 9 is fixed to the bottom of the annular base block 407, and the annular base block 407 is rotatably connected to the outside with an inner movable ring 408, The top edge of the inner movable ring 408 is provided with a plurality of ratchet blocks 409, and a slope is provided on each of the plurality of ratchet blocks 409, and the slope corresponds to the position of the inclined surface and the angle matches. A first inner gear ring 410 is fixedly provided on the bottom edge of the ratchet block 409, and a lower mounting frame 411 is fixedly connected to the bottom surface of the annular base block 407, and a driving motor 412 is fixedly connected to the lower mounting frame 411, and a driving gear 413 is fixedly connected to the output shaft of the driving motor 412, and the driving gear 413 is located on the inner side of the first inner gear ring 410 and meshes with the first inner gear ring 410. The pressure roller driving assembly 8 includes a third hydraulic cylinder 801 fixed on the assembly plate 3 with And an annular base plate 802 located above the assembly plate 3, the output end of the third hydraulic cylinder 801 faces upward and is fixedly connected to the bottom of the annular base plate 802, a plurality of slide rails 803 are fixedly connected to the surface of the annular base plate 802, a plurality of slide rails 803 are slidably connected with a horizontal slider 804, the pressure roller 7 is rotatably connected to one end of the horizontal slider 804, an insertion rod 805 is fixed to the end of the horizontal slider 804 away from the pressure roller 7, the insertion rod 805 is movably plugged with the end of the slide rail 803 at one end away from the horizontal slider 804, an arc surface end block 806 is also fixed to the end of the insertion rod 805 away from the horizontal slider 804, and a transverse spring 806 is fixed between the arc surface end block 806 and the slide rail 803 07, the transverse spring 807 is sleeved on the outside of the plug rod 805, the outer edge of the annular base plate 802 is rotatably connected to the outer movable ring 808, the inner wall of the outer movable ring 808 is fixed with a second inner gear ring 809 and an arc-shaped protrusion 810, the arc-shaped protrusion 810 is provided in multiples and all are located at the top of the second inner gear ring 809, the arc-shaped protrusion 810 is consistent in height with the arc surface end block 806, the top of the annular base plate 802 is fixedly connected to an upper mounting frame 811, the upper mounting frame 811 is fixedly connected to a transmission motor 812, the output shaft of the transmission motor 812 is fixedly connected to a transmission gear 813, and the transmission gear 813 is meshed with the second inner gear ring 809;

[0050] The number of the slide rails 803 and the slide grooves 402 are the same and their positions correspond. One end of the slide rail 803 points to the center of the mandrel. The horizontal slider 804 extends to the outside of the slide rail 803 away from one end of the insertion rod 805. The pressure roller 7 is rotatably connected to the end through a rotating shaft. The arc surface end block 806 is set to an arc shape away from one end of the insertion rod 805. The third hydraulic cylinder 801 is vertically arranged and the number is set to be multiple.

[0051] When in use, first insert one end of the bar steel into the slide groove 402 at the edge of the lower extrusion seat 4, at this time, the pressure roller 7 is located at the bottom of the bar steel and the edge extends into the slide groove 402, and then start the driving motor 412. After the driving motor 412 is running, it drives the driving gear 413 to rotate. When the driving gear 413 rotates, it drives the first inner gear ring 410 to rotate. When the first inner gear ring 410 rotates, it also drives multiple ratchet blocks 409 to rotate. When the ratchet block 409 rotates, it squeezes the inclined surface at the bottom end of the vertical slider 403 through the slope, so that the vertical slider 403 moves vertically upward, and the vertical slider 403 pulls the vertical spring when it moves upward. 405 and clamp the bottom end of the bar steel, then start the third hydraulic cylinder 801, the third hydraulic cylinder 801 extends to drive the annular base plate 802 to move upward, and when the annular base plate 802 moves upward, it drives multiple pressure rollers 7 to move upward at the same time. Since one end of the bar steel is fixed, the pressure roller 7 bends the bar steel first when it moves upward, and the pressure roller 7 moves upward along the straight groove on the outer wall of the iron core at this time, so that the bar steel is bent into the straight groove outside the iron core. During the upward movement of the pressure roller 7, the bar steel in the straight groove is also squeezed, so that the bar steel is deformed and unfolded, so as to be embedded in the straight groove and will not fall off. When the pressure roller 7 moves up to the top edge of the iron core, the transmission motor 812 starts to operate. The transmission motor 812 drives the transmission gear 813 to rotate, and the transmission gear 813 drives the second inner gear ring 809 to rotate, thereby causing the outer movable ring 808 to rotate. When the outer movable ring 808 rotates, it drives the multiple arc-shaped protrusions 810 inside to move simultaneously. When the arc-shaped protrusions 810 move, they squeeze the arc-shaped end block 806, so that the arc-shaped end block 806 moves. When the arc-shaped end block 806 moves, it pushes the horizontal slider 804 to move through the insertion rod 805, thereby driving the pressure roller 7 to move. At this time, the pressure roller 7 moves along the radial direction of the core column 1, squeezing the top of the bar steel to make it bend, and when the arc-shaped end block 806 moves, it also compresses the horizontal slider 804. Spring 807, when the arc-shaped protrusion 810 is separated from the arc-surface end block 806, the elastic force of the transverse spring 807 makes the arc-surface end block 806, the insertion rod 805, the transverse slider 804 and the pressure roller 7 reset, and finally, the upper extrusion seat 5 is started, and similarly, the multiple vertical sliders 403 on the upper extrusion seat 5 can be moved downward. When the vertical sliders 403 move downward, they contact and squeeze the top of the bar steel, so that the originally bent bar steel is further bent until it is close to the top surface of the iron core. At this point, the middle part of the bar steel is embedded in the straight groove of the outer wall of the iron core, and the two ends of the bar steel are respectively tightly attached to the upper and lower end surfaces of the iron core, so as to realize the installation of multiple bar steels;

[0052] By setting the lower extrusion seat 4, the pressure roller drive assembly 8 and the upper extrusion seat 5, it is possible to fix the bottom end of the steel bar in sequence, bend and engage the middle part of the steel bar, bend the top end of the steel bar, and tighten the top end of the steel bar for a second time, thereby realizing the fixing of multiple steel bars on the iron core. In this way, multiple steel bars can be installed synchronously at the same time, with efficient assembly, high degree of automation, stable operation, and improved production efficiency of the iron core.

[0053] Example 4, see Figure 8-Figure 10 , which is different from the above embodiment, the tops of the plurality of slide rails 803 are fixedly connected with a main guide rail 814, the main guide rail 814 is in the same direction as the slide rail 803, the main guide rail 814 is provided with an automatic feeding mechanism 10 at the end away from the stem 1, the automatic feeding mechanism 10 includes a material box 101, a bracket is fixed to the bottom of the material box 101, both sides of the material box 101 are provided with discharge holes 102, the discharge holes 102 are connected with the inner cavity of the material box 101, the discharge hole 102 is provided with a secondary guide rail 103 on the side close to the stem 1, the The auxiliary guide rail 103 is fixedly connected to the material box 101, one end of the auxiliary guide rail 103 is connected to the discharge hole 102, and the other end of the auxiliary guide rail 103 corresponds to the end position of the main rail 814. The side wall of the material box 101 is fixedly connected to the cylinder 104, and the output end of the cylinder 104 is fixedly connected to the push rod 105, and one end of the push rod 105 is inserted into the discharge hole 102. Two groups of inclined auxiliary stop bars 106 are fixedly connected to the top of the auxiliary guide rail 103, and two groups of inclined main stop bars 815 are fixed to the top of the main rail 814;

[0054] Among them, the main guide rail 814 and the automatic feeding mechanism 10 are arranged in multiple groups and correspond to each pressure roller 7 respectively. The height of the main guide rail 814 is higher than the pressure roller 7, and one end of the outside extends to the outside of the annular base plate 802. The inner width of the main guide rail 814 is consistent with the width of the bar steel. The length and width of the inner cavity of the material box 101 are matched with the length and width of the bar steel. In actual use, a plurality of bar steels are pre-stacked in the material box 101. At this time, the discharge hole 102 just corresponds to the bottom bar steel in the material box 101. The main guide rail 814 and the auxiliary guide rail 103 are connected end to end and in the same direction. The main stop rod 815 and the auxiliary stop rod 106 are both arranged as inclined rods.

[0055] When in use, the cylinder 104 is started, and the cylinder 104 drives the push rod 105 to insert into the discharge hole 102, and pushes the bar steel at the bottom of the material box 101, so that it moves to the outside of the material box 101 through the discharge hole 102. After the bar steel moves to the outside of the material box 101, it moves along the secondary guide rail 103 and the main guide rail 814 in sequence, and finally completely leaves the material box 101 and the end is inserted into the slide groove 402, so as to realize the automatic loading of the bar steel;

[0056] By setting up multiple groups of automatic feeding mechanisms 10 and main guide rails 814, multiple steel bars can be stored simultaneously through the material box 101. When the steel bars are installed, the cylinder 104 is started and the steel bars in the material box 101 are pushed, so that they move along the auxiliary guide rails 103 and the main guide rails 814 in turn, and are finally inserted into the slide groove 402. The automatic feeding of multiple steel bars can be realized, which further reduces the workload and improves the assembly efficiency. By respectively setting the main stop rod 815 and the auxiliary stop rod 106 on the main guide rail 814 and the auxiliary guide rail 103, it is beneficial to limit the two sides of the steel bars when the steel bars are bent upward, ensuring that the steel bars can smoothly enter the straight groove outside the iron core after bending, avoiding the displacement of the steel bars when bending, making the equipment more stable and the assembly success rate higher.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stator and rotor punching stack riveting assembly device, comprising a core column, a base fixed at the bottom end of the core column and an assembly plate sleeved on the outside of the core column, characterized in that: It also includes a lower extrusion seat, an upper extrusion seat, a drive assembly mechanism, a pressure roller, and a pressure roller drive assembly; The lower extrusion seat and the upper extrusion seat have the same structure and are symmetrical up and down. The lower extrusion seat is connected to the base through a first hydraulic cylinder. The lower extrusion seat includes an annular support plate. The side wall of the annular support plate is provided with a plurality of slide grooves. A vertical slider is slidably connected in the slide groove. The lower extrusion seat and the upper extrusion seat are used to extrude the iron core and fix the end of the bar steel. The driving assembly mechanism comprises a movable crossbeam located above the stem, the upper extrusion seat is fixedly mounted at the bottom of the crossbeam, and the driving assembly mechanism is used to drive the upper extrusion seat to move and be mounted on the top of the stem; The number of the pressure rollers is the same as that of the slide grooves and their positions correspond. The pressure roller drive assembly is mounted on the assembly plate and is used to drive the plurality of pressure rollers to move vertically and radially along the core column. When the iron core is sleeved on the core column, the driving assembly mechanism is operated to force the upper extrusion seat to move and be installed on the top of the core column, and the first hydraulic cylinder is operated to drive the lower extrusion seat to move upward, thereby extruding the iron core to achieve riveting; After riveting, one end of the steel bar is inserted into the slide groove on the lower extrusion seat. When the lower extrusion seat is in operation, the vertical slider is forced to move upward and clamp one end of the steel bar. When the pressure roller driving assembly is in operation, the pressure roller is first driven upward to bend the steel bar and then embed it into the outer wall of the iron core. Then the pressure roller is driven to move radially along the core column to bend the top of the steel bar. Finally, the upper extrusion seat is operated to force the vertical slider to move downward and further bend the strip rod and lock it to the top wall of the iron core to install the steel bar.

2. The stator and rotor punching stack riveting assembly equipment according to claim 1, characterized in that: The driving assembly mechanism also includes a second hydraulic cylinder arranged vertically, one end of the crossbeam is installed on the top of the second hydraulic cylinder, and the other end of the crossbeam is fixedly connected to two symmetrically distributed connecting seats, both of which are fixed to the upper extrusion seat, and both of the connecting seats are provided with external slot holes, and the bottom of the crossbeam is also fixedly connected to an electric slide, and a sliding push block is installed on the electric slide, and a pin is fixedly connected to one side of the sliding push block, and the pin extends into the external slot hole, and the shape of the pin matches the shape of the external slot hole.

3. The stator and rotor punching stack riveting assembly equipment according to claim 2 is characterized in that: An inner slot hole is formed on the side wall at the top end of the core column, and the inner slot hole has the same shape as the outer slot hole.

4. The stator and rotor punching stack riveting assembly equipment according to claim 3 is characterized in that: An outer gear ring is fixedly connected to the bottom of the crossbeam, and the outer gear ring is rotatably connected to the top of the second hydraulic cylinder. An adjusting motor is fixedly connected to the side wall of the top of the second hydraulic cylinder, and an adjusting gear is fixedly connected to the output shaft of the adjusting motor, and the adjusting gear is meshed with the outer gear ring.

5. The stator and rotor punching stack riveting assembly equipment according to claim 1, characterized in that: The axle up and down groove at two ends embeds respectively in two guide rails up and down of being made up of the groove on the attachment piece, and the tooth on the attachment piece is meshed with tooth on upper sprocket wheel, the lower sprocket wheel is meshed with tooth on upper sprocket wheel.

6. The stator and rotor punching stack riveting assembly equipment according to claim 1, characterized in that: The pressure roller driving assembly includes a third hydraulic cylinder fixed on the mounting plate and an annular base plate located above the mounting plate, the output end of the third hydraulic cylinder faces upward and is fixedly connected to the bottom of the annular base plate, a plurality of slide rails are fixedly connected to the surface of the annular base plate, a plurality of slide rails are slidably connected to a horizontal slider, and the pressure roller is rotatably connected to one end of the horizontal slider.

7. The stator and rotor punching stack riveting assembly equipment according to claim 6, characterized in that: The end of the transverse sliding block away from the pressure roller is fixed with an insertion rod, and the end of the insertion rod away from the transverse sliding block is movably plugged with the end of the slide rail, and the end of the insertion rod away from the transverse sliding block is also fixed with an arc end block, a transverse spring is fixed between the arc end block and the slide rail, and the transverse spring is sleeved on the outside of the insertion rod, the outer edge of the annular base plate is rotatably connected with an outer movable ring, and the inner wall of the outer movable ring is fixed with a second inner gear ring and an arc-shaped protrusion, and the arc-shaped protrusion is provided with a plurality of and all are located at the top of the second inner gear ring, and the arc-shaped protrusion is consistent in height with the arc-shaped end block, and the top of the annular base plate is fixedly connected with an upper mounting frame, and the upper mounting frame is fixedly connected with a transmission motor, and the output shaft of the transmission motor is fixedly connected with a transmission gear, and the transmission gear is meshed with the second inner gear ring.

8. The stator and rotor punching stack riveting assembly equipment according to claim 7, characterized in that: The tops of the multiple slide rails are all fixedly connected with a main rail, and the main rail is in the same direction as the slide rail. An automatic loading mechanism is provided at the end of the main rail away from the core column. The automatic loading mechanism includes a material box, a bracket is fixed to the bottom of the material box, discharge holes are opened on both sides of the material box, the discharge holes are connected with the inner cavity of the material box, a secondary guide rail is provided on the side of the discharge hole close to the core column, the secondary guide rail is fixedly connected to the material box, one end of the secondary guide rail is connected to the discharge hole, and the other end of the secondary guide rail corresponds to the end position of the main rail, the side wall of the material box is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a push rod, and one end of the push rod is inserted into the discharge hole.

9. The stator and rotor punching stack riveting assembly equipment according to claim 8, characterized in that: Two groups of obliquely arranged auxiliary stop bars are fixedly connected to the top of the auxiliary guide rail, and two groups of obliquely arranged main stop bars are fixed to the top of the main guide rail.

10. A method for assembling a motor punching sheet, characterized in that: The motor punching sheet assembly method uses a stator and rotor punching sheet stacking and riveting assembly device as described in any one of claims 1-9.

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