Automatic assembly device for magnetic sheets of DC motor

Abstract

The utility model provides an automatic assembly device for magnetic sheets of a DC motor, which relates to the technical field of motor production equipment, and aims to solve the problems of slow speed and low efficiency of manual magnet insertion in the prior art. The automatic assembly device for magnetic sheets of a DC motor comprises a turntable mechanism, a feeding and positioning mechanism, a glue dispensing mechanism, a magnet insertion mechanism and a sleeve feeding mechanism. The turntable mechanism comprises a turntable driving mechanism and a turntable. A plurality of turntable assembly positions are arranged on the periphery of the turntable. The feeding and positioning mechanism, the glue dispensing mechanism, the magnet insertion mechanism and the sleeve feeding mechanism are respectively arranged around the turntable. The motor rotor on the turntable assembly position of the automatic assembly device for magnetic sheets of the utility model passes through the first station, the second station, the third station and the fourth station in sequence when the turntable rotates one circle, so as to realize automatic installation, avoid manual magnet insertion, improve assembly efficiency and assembly accuracy, and be safe and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of motor production equipment, in particular to an automatic assembly device for magnetic sheets of a DC motor. Background Art

[0002] A motor is a rotating electric machine that converts electrical energy into mechanical energy. It mainly includes an electromagnet winding or a distributed stator winding for generating a magnetic field and a rotating armature or rotor. Under the action of the rotating magnetic field of the stator winding, current flows through the effective side of the stator winding and is caused to rotate by the magnetic field.

[0003] The motor rotor needs to be equipped with magnetic pieces so that the motor can run. The original manual magnetization method is currently used. The magnets need to be separated into independent pieces and then assembled on the motor rotor one by one. Not only is the speed slow and inefficient, but it is also easy to hurt your hands. There is also a risk of assembly errors, and the assembly accuracy is not high, resulting in a low yield rate. Magnet stacking takes up a lot of space and is very dangerous. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic assembly device for magnetic sheets of a DC motor to solve the problems of slow speed and low efficiency of manual magnet insertion in the prior art. The automatic assembly device for magnetic sheets of a DC motor of the utility model avoids manual magnet insertion, improves assembly efficiency and assembly accuracy, and is safe and reliable.

[0005] The utility model provides an automatic assembly device for magnetic sheets of a DC motor, comprising a turntable mechanism, a feeding and positioning mechanism, a glue dispensing mechanism, a magnet insertion mechanism and a sleeve feeding mechanism, the turntable mechanism comprising a turntable driving mechanism and a turntable, a plurality of turntable assembly positions are arranged on the periphery of the turntable, the feeding and positioning mechanism, the glue dispensing mechanism, the magnet insertion mechanism and the sleeve feeding mechanism are respectively arranged around the turntable, the motor rotor is placed on the turntable assembly position and fixed at the first station by the feeding and positioning mechanism, the turntable drives the motor rotor to rotate to the second station and applies glue to the outer wall of the motor rotor by the glue dispensing mechanism, the turntable drives the motor rotor to rotate to the third station and assembles the magnetic sheet to the outer wall of the motor rotor by the magnet insertion mechanism, the turntable drives the motor rotor to rotate to the fourth station and installs the sleeve on the outer side of the magnetic sheet by the sleeve feeding mechanism.

[0006] As a preferred solution of the utility model, a plurality of mounting holes are provided on the turntable, the turntable assembly position is installed at the mounting holes, and a jacking mechanism is provided under the turntable, and the jacking mechanism is used to lift the motor rotor installed on the turntable assembly position and drive it to rotate.

[0007] As a preferred solution of the utility model, the turntable assembly position includes a clamping table, a connecting plate, a connecting shaft, a bottom plate, an outer cylinder, an inner cylinder and a bearing, the bearing is installed between the outer cylinder and the inner cylinder, the clamping table is connected to the upper side of the connecting plate, the top end of the connecting shaft is fixedly connected to the connecting plate and the bottom end is fixedly connected to the bottom plate, the connecting shaft is vertically arranged to pass through the inner cylinder, and the connecting plate and the bottom plate are respectively located on the upper and lower sides of the outer cylinder.

[0008] As a preferred solution of the utility model, the lifting mechanism includes a lifting cylinder, a rotating motor, a top plate and a positioning connecting piece. The lifting cylinder is connected to the top plate through a first connecting component and can drive the top plate to move up and down. The rotating motor is installed under the top plate and its output shaft is connected to the positioning connecting piece. The positioning connecting piece is installed on the upper side of the top plate through a bearing.

[0009] As a preferred solution of the utility model, the feeding positioning mechanism includes a first bracket, a first motor, a first lead screw, a first slider and a positioning sleeve, the first motor is installed on the first bracket, the output shaft of the first motor is connected to the first lead screw, the first lead screw is vertically rotatably installed on the first bracket, the first slider is movably connected to the first lead screw, the positioning sleeve is connected to the side of the first slider away from the first bracket, and the positioning sleeve is provided with a vertical through hole adapted to the top end of the motor rotor.

[0010] As a preferred solution of the utility model, the dispensing mechanism includes a second bracket, a dispensing syringe, a purge assembly and a first movable assembly, the first movable assembly is connected to the second bracket, one end of the movable assembly is connected to the purge assembly and the other end is connected to the dispensing syringe.

[0011] As a preferred solution of the utility model, the moving component includes a second motor, a second lead screw and a second slider, the second motor is mounted on the second bracket, the output shaft of the second motor is connected to the second lead screw, the second lead screw is vertically rotatably mounted on the second bracket, the second slider is movably connected to the second lead screw, the purge component is connected to one side of the second slider, the other side of the second slider is connected to a connecting block, a first cylinder is mounted on the connecting block, the output end of the first cylinder is connected to the dispensing syringe and can drive the dispensing syringe to move laterally.

[0012] As a preferred solution of the utility model, the magnet insertion mechanism includes a guide column, a third cylinder, an upper mounting plate, a magnet insertion cylinder, a magnet insertion sheet, a magnet insertion positioning piece and a magnet placement disk, the third cylinder is mounted on the top of the two guide columns, the output end of the third cylinder is connected to the upper mounting plate, the magnet insertion cylinder is mounted on the upper mounting plate and its output end is connected to the magnet insertion sheet, the magnet insertion sheet is vertically arranged, the upper mounting plate is fixedly connected to the lower mounting plate, the magnet insertion positioning piece is mounted on the lower mounting plate and is arranged directly opposite to the lower side of the magnet insertion cylinder, a vertical magnet insertion hole matching the magnet sheet is arranged on the magnet insertion positioning piece, a magnet sheet placement groove is arranged on the magnet placement disk, the magnet sheet placement groove is arranged directly opposite to the side of the magnet insertion positioning piece and can add magnet sheets to the magnet insertion hole, the magnet insertion cylinder can drive the magnet insertion sheet to be inserted into the magnet insertion hole and downwardly assemble the magnet sheet in the magnet insertion hole onto the motor rotor.

[0013] As a preferred solution of the utility model, the sleeve feeding mechanism includes a fourth bracket, a three-axis movable arm, a gripper and a loading tray, the loading tray is arranged on one side of the fourth bracket, a plurality of arranged sleeves are arranged on the loading tray, the three-axis movable arm is installed on the fourth bracket, the gripper is connected to the output end of the three-axis movable arm, and the three-axis movable arm can drive the gripper to move the sleeve on the loading tray to the motor rotor at the fourth station.

[0014] As a preferred solution of the utility model, it also includes a magnetic sheet pressing mechanism, which includes a fifth bracket, a support plate, a slide plate, a fifth cylinder and a pressing cylinder. The support plate is installed on the fifth bracket, and the slide plate is movably arranged on the support plate through a slide rail. The fifth cylinder is installed on the slide plate, and the pressing cylinder is vertically arranged and connected to the output end of the fifth cylinder. The fifth cylinder can drive the pressing cylinder to move up and down, and the pressing cylinder can press the magnetic sheet down into place.

[0015] Compared with the prior art, the utility model has the following positive effects:

[0016] The utility model provides an automatic assembly device for a magnetic sheet of a DC motor, comprising a turntable mechanism, a feeding positioning mechanism, a glue dispensing mechanism, a magnet insertion mechanism and a sleeve feeding mechanism, the turntable mechanism comprising a turntable driving mechanism and a turntable, a plurality of turntable assembly positions are arranged on the periphery of the turntable, the feeding positioning mechanism, the glue dispensing mechanism, the magnet insertion mechanism and the sleeve feeding mechanism are arranged respectively around the turntable, the motor rotor is placed on the turntable assembly position and fixed at the first station by the feeding positioning mechanism, the turntable drives the motor rotor to rotate to the second station and applies glue to the outer wall of the motor rotor by the glue dispensing mechanism, the turntable drives the motor rotor to rotate to the third station and assembles the magnetic sheet to the outer wall of the motor rotor by the magnet insertion mechanism, the turntable drives the motor rotor to rotate to the fourth station and installs the sleeve on the outer side of the magnetic sheet by the sleeve feeding mechanism. During the working process of the automatic assembly device for magnetic sheets of the utility model, the motor rotor on the turntable assembly position passes through the first station, the second station, the third station and the fourth station in sequence when the turntable rotates one circle. It is fixed on the turntable assembly position at the first station, glue is applied on the outer wall of the motor rotor at the second station, the magnetic sheet is assembled on the outer wall of the motor rotor at the third station and glued, and the sleeve is installed on the outer side of the magnetic sheet at the fourth station. Then the turntable assembly position drives the motor rotor to rotate to the first station and presses the sleeve down into place through the loading and positioning mechanism, thereby completing the installation of the magnetic sheet and the sleeve, realizing automatic installation, avoiding manual magnet insertion, improving assembly efficiency and assembly accuracy, and being safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of the automatic assembly device of magnetic sheets for DC motors of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the automatic assembly device of magnetic sheets for DC motors of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the upper side of the turntable mechanism in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the bottom side of the turntable mechanism in the utility model;

[0022] Figure 5 It is a structural schematic diagram of the turntable assembly position in the utility model;

[0023] Figure 6 It is a top view of the turntable assembly position in the utility model;

[0024] Figure 7 for Figure 6 Cross-sectional view of AA in the middle;

[0025] Figure 8 It is a top view of the turntable mechanism in the utility model;

[0026] Fig. 9 for Figure 8 Cross-section of the middle BB;

[0027] Fig.10 It is a structural schematic diagram of the jacking mechanism in the utility model;

[0028] Fig.11 It is a structural schematic diagram of the material loading positioning mechanism and the magnetic sheet pressing mechanism in the utility model;

[0029] Fig.12 It is a structural schematic diagram of the dispensing mechanism in the utility model;

[0030] Fig.13 It is a structural schematic diagram of the magnetic insertion mechanism in the utility model;

[0031] Fig.14 It is a structural schematic diagram of the casing feeding mechanism in the utility model;

[0032] Fig.15 It is a schematic diagram of the structure of the motor rotor in the utility model;

[0033] Fig.16 It is a structural schematic diagram of the motor rotor in the utility model when the magnetic sheet is installed;

[0034] Fig.17 It is a structural schematic diagram of the motor rotor in the utility model when the sleeve is placed;

[0035] Fig.18 This is a schematic diagram of the structure of the motor rotor after the sleeve is installed in the utility model.

[0036] In the figure: 1, chassis; 11, upper chassis; 12, lower chassis; 13, control box; 14, inner mounting plate; 2, loading positioning mechanism; 21, first bracket; 22, first motor; 23, first lead screw; 24, first slider; 25, positioning sleeve; 3, dispensing mechanism; 31, second bracket; 32, moving assembly; 321, second motor; 322, second lead screw; 323, second slider; 324, connecting block; 33, First cylinder; 34, dispensing syringe; 35, purge assembly; 351, gas cylinder; 352, nozzle; 4, magnetic insertion mechanism; 41, guide column; 42, upper mounting plate; 43, lower mounting plate; 44, third cylinder; 45, magnetic insertion cylinder; 46, magnetic insertion sheet; 47, magnet placement plate; 471, magnetic sheet placement slot; 48, magnetic insertion positioning piece; 481, magnetic insertion hole; 482, plug hole; 5, sleeve feeding mechanism; 51, feeding plate; 52, fourth bracket; 53, three-axis moving arm; 531, first direction moving arm; 532, second direction moving arm; 533, third direction moving arm; 54, gripper; 6, turntable mechanism; 61, turntable assembly position; 611, clamping table; 612, connecting plate; 613, connecting shaft; 614, bottom plate; 615, outer cylinder; 616, inner cylinder; 617, bearing; 618, spring; 62, turntable; 621, installation Mounting hole; 63, turntable driving mechanism; 64, turntable positioning piece; 7, motor rotor; 71, magnetic sheet; 72, sleeve; 8, lifting mechanism; 81, lifting cylinder; 82, rotating motor; 83, supporting connecting frame; 84, positioning connecting piece; 841, convex point; 85, top plate; 9, magnetic sheet pressing mechanism; 91, fifth bracket; 92, slide plate; 93, support plate; 931, slide rail; 94, fifth cylinder; 95, pressing cylinder. DETAILED DESCRIPTION

[0037] In the description of the present utility model, it should be noted that, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "front end", "back end", "head", "tail" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplification, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0039] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0040] Embodiment 1:

[0041] This embodiment provides an automatic assembly device for a magnetic sheet of a DC motor, such as Figure 1-Figure 14 As shown, it includes a turntable mechanism 6, a feeding positioning mechanism 2, a glue dispensing mechanism 3, a magnet insertion mechanism 4 and a sleeve feeding mechanism 5. The turntable mechanism 6 includes a turntable driving mechanism 63 and a turntable 62. A plurality of turntable assembly positions 61 are arranged on the periphery of the turntable 62. The turntable driving mechanism 63 drives the turntable 62 to rotate. The turntable assembly position 61 is used to install the motor rotor to be magnetized and provide positioning during the magnetization process.

[0042] The material loading positioning mechanism 2, the glue dispensing mechanism 3, the magnetic insertion mechanism 4 and the sleeve loading mechanism 5 are respectively arranged around the turntable 62. The material loading positioning mechanism 2, the glue dispensing mechanism 3, the magnetic insertion mechanism 4 and the sleeve loading mechanism 5 correspond to the positions of the turntable assembly position 61 on the turntable 62 at the first station, the second station, the third station and the fourth station. When the turntable 62 rotates, it drives the plurality of turntable assembly positions 61 to circulate through the first station, the second station, the third station and the fourth station in sequence.

[0043] The motor rotor 7 is placed on the turntable assembly position 61 and fixed at the first station by the feeding and positioning mechanism 2. The turntable 62 drives the motor rotor 7 to rotate to the second station and glue is applied to the outer wall of the motor rotor 7 through the glue dispensing mechanism 3. The turntable 62 drives the motor rotor 7 to rotate to the third station and assembles the magnetic sheet to the outer wall of the motor rotor 7 through the magnet insertion mechanism 4. The turntable 62 drives the motor rotor 7 to rotate to the fourth station and installs the sleeve on the outside of the magnetic sheet through the sleeve feeding mechanism 5.

[0044] like Figure 1As shown, the automatic assembly device of the magnetic sheet of this embodiment also includes a chassis 1, and the chassis 1 includes an upper chassis 11 and a lower chassis 12. The upper chassis 11 and the lower chassis 12 are divided into two lower bodies by an inner mounting plate 14. The turntable 62 of the turntable mechanism 6, the feeding positioning mechanism 2, the glue dispensing mechanism 3, the magnet insertion mechanism 4 and the sleeve feeding mechanism 5 are all installed on the inner mounting plate 14 and are located in the upper chassis 11. A control box 13 is also arranged on the front of the upper chassis 11, and each mechanism in the automatic assembly device can be regulated by the control box.

[0045] During the operation of the automatic assembly device for magnetic sheets of this embodiment, the motor rotor on the assembly position 61 of the turntable rotates one circle with the turntable and passes through the first station, the second station, the third station and the fourth station in sequence. The motor rotor is fixed on the assembly position 61 of the turntable at the first station. The state of the motor rotor at the first station is as follows: Fig.15 As shown; at the second station, glue is applied to the outer wall of the motor rotor 7; at the third station, the magnetic sheet is assembled to the outer wall of the motor rotor 7 and glued by glue. The state of the motor rotor at the third station is as shown Fig.16 As shown; at the fourth station, the sleeve is installed on the outside of the magnetic sheet, and the motor rotor at the fourth station is as shown Fig.17 Then the turntable assembly position 61 drives the motor rotor to rotate to the first position and presses the sleeve into place through the feeding positioning mechanism 2, and the motor rotor is pressed into place as shown Fig.18 As shown, the installation of the magnetic sheet 71 and the sleeve 72 is completed, automatic installation is achieved, manual magnet insertion is avoided, and assembly efficiency and assembly accuracy are improved, which is safe and reliable.

[0046] As a preferred embodiment, a plurality of mounting holes 621 are provided on the turntable 62, the turntable assembly position 61 is installed at the mounting holes 621, and a lifting mechanism 8 is provided below the turntable 62. The lifting mechanism 8 is used to lift the motor rotor 7 installed on the turntable assembly position 61 and drive it to rotate. Lifting mechanisms 8 are provided below the second station and the third station. A turntable positioning member 64 is provided below the first station of the turntable 62 to sense the rotation position of the turntable.

[0047] When the motor rotor 7 is at the second station, it needs to rotate during the gluing process, so the motor rotor 7 can be driven to rotate by the lifting mechanism under the turntable to evenly apply glue to the outer wall of the motor rotor 7. When the motor rotor 7 is at the third station, it needs to rotate to different angles during magnetization to evenly stick multiple magnetic sheets on the side wall of the motor rotor 7, so a lifting mechanism 8 is provided under the third station to drive the motor rotor 7 to adjust the rotation angle during magnetization.

[0048] As a preferred implementation mode, Figure 7As shown, the turntable assembly position 61 includes a clamping platform 611, a connecting plate 612, a connecting shaft 613, a bottom plate 614, an outer cylinder 615, an inner cylinder 616 and a bearing 617. The bearing 617 is installed between the outer cylinder 615 and the inner cylinder 616, the clamping platform 611 is fixedly connected to the upper side of the connecting plate 612, the top end of the connecting shaft 613 is fixedly connected to the connecting plate 612 and the bottom end thereof is fixedly connected to the bottom plate 614, the connecting shaft 613 is vertically arranged through the inner cylinder 616, and the connecting plate 612 and the bottom plate 614 are respectively located at the upper side and the lower side of the outer cylinder 615. The connecting plate 612 and the outer cylinder 615 are movably connected up and down by a positioning pin. The outer cylinder 615 is fixedly connected to the edge of the mounting hole 621, and the connecting shaft 613 is correspondingly arranged in the mounting hole 621. When the bottom plate 614 is lifted upward, the connecting shaft 613 and the clamping platform 611 can be driven to move upward. The connecting shaft 613 and the clamping platform 611 can move up and down and rotate relative to the outer cylinder 615. The clamping platform 611 is used to fix the motor rotor 7. Figure 8 and Fig. 9 As shown, at the first working position, the bottom end of the motor rotor 7 is inserted into the center hole of the clamping table 611 and then locked by a locking member.

[0049] like Fig. 9 As shown, when the turntable assembly position 61 is installed on the turntable 62 , the outer cylinder 615 is fixedly connected to the turntable 62 around the mounting hole 621 , and the bottom plate 614 extends straight into the mounting hole 621 .

[0050] like Figure 7 As shown, a spring 618 is provided at the lower side of the inner cylinder 616. The spring is sleeved on the connecting shaft 613 and abuts between the inner cylinder 616 and the bottom plate 614. The spring 618 is used to buffer the force when the connecting shaft 613 and the clamping platform 611 descend to avoid violent collision.

[0051] As a preferred implementation mode, Fig. 9 and Fig.10 As shown, the lifting mechanism 8 includes a lifting cylinder 81, a rotating motor 82, a top plate 85 and a positioning connector 84. The lifting cylinder 81 is connected to the top plate 85 through a first connecting assembly and can drive the top plate 85 to move up and down. The lifting cylinder 81 is installed in a supporting connecting frame 83, and the lifting cylinder 81 can drive the top plate 85 to move up and down relative to the supporting connecting frame 83, and the supporting connecting frame 83 is connected to the lower side of the inner mounting plate 14.

[0052] The rotating motor 82 is installed below the top plate 85 and its output shaft is connected to the positioning connector 84, and the positioning connector 84 is installed on the upper side of the top plate 85 through a bearing. The rotating motor 82 is connected to the bottom of the top plate 85 through the second connecting assembly and its output shaft passes through the top plate 85 and is connected to the positioning connector 84. The lifting cylinder 81 can drive the top plate 85 and the rotating motor 82 to move up and down synchronously, and the rotating motor 82 can drive the positioning connector 84 to rotate. The first connecting assembly and the second connecting assembly are both a plurality of vertically arranged connecting rods, and the number of connecting rods can be 4.

[0053] like Fig. 9 As shown, a plurality of protrusions 841 are provided on the top of the positioning connector 84 , and a plurality of grooves matching the protrusions are provided on the bottom plate 614 .

[0054] When the lifting mechanism 8 needs to lift the motor rotor 7 and drive it to rotate, the lifting cylinder 81 drives the top plate and the rotating motor 82 to move upward, and at the same time drives the positioning connection member 84 to move upward. The positioning connection member 84 extends into the mounting hole 621 so that the protrusion 841 is inserted into the groove of the bottom plate 614, and the connecting shaft 613 and the clamping platform 611 are moved upward relative to the outer cylinder 615 and the inner cylinder 616, so that the motor rotor 7 fixed on the clamping platform 611 moves upward, and then the rotating motor 82 drives the positioning connection member 84 to rotate, thereby driving the connecting shaft 613 and the clamping platform 611 to rotate, and then the motor rotor 7 is rotated.

[0055] As a preferred implementation mode, Fig.11 As shown, the feeding positioning mechanism 2 includes a first bracket 21, a first motor 22, a first lead screw 23, a first slider 24 and a positioning sleeve 25. The first motor 22 is mounted on the first bracket 21, the output shaft of the first motor 22 is connected to the first lead screw 23, the first lead screw 23 is vertically rotatably mounted on the first bracket 21, and the first lead screw 23 can be connected to the first bracket 21 through a bearing.

[0056] The first slider 24 is movably connected to the first lead screw, and the first slider 24 is connected to the first lead screw through a nut. The positioning sleeve 25 is connected to the side of the first slider 24 away from the first bracket 21, and the positioning sleeve 25 is provided with a vertical through hole adapted to the top of the motor rotor 7. The first motor 22 drives the first lead screw 23 to rotate, which can drive the first slider 24 to move up and down along the first lead screw, thereby driving the positioning sleeve 25 to move up and down.

[0057] When the motor rotor is fixedly installed on the turntable assembly position 61 at the first station, the positioning sleeve 25 is sleeved on the top of the motor rotor to locate the installation position of the motor rotor. Fig.17As shown, the vertical through hole of the positioning sleeve 25 is sleeved on the motor rotor and presses down the sleeve 72, so that the sleeve 72 is pressed on the outer side of the plurality of magnetic sheets 71, as shown in FIG. Fig.18 As shown, installation is achieved.

[0058] As a preferred implementation mode, Fig.12 As shown, the glue dispensing mechanism 3 includes a second bracket 31, a glue dispensing syringe 34, a purge assembly 35 and a first moving assembly 32. The first moving assembly 32 is connected to the second bracket 31, and one end of the moving assembly 32 is connected to the purge assembly 35 and the other end is connected to the glue dispensing syringe 34. The first moving assembly 32 can drive the glue dispensing syringe 34 and the purge assembly 35 to move to the second station. The glue dispensing syringe 34 can adjust its glue dispensing speed by pushing the push rod. The purge assembly 35 is used to spray an accelerator on the motor rotor before gluing, so that the glue can quickly bond the magnetic sheet to the outside of the rotor, and at the same time, it can blow away the dust on the outside of the rotor.

[0059] As a preferred implementation mode, Fig.12 As shown, the moving assembly 32 includes a second motor 321, a second lead screw 322 and a second slider 323. The second motor 321 is mounted on the second bracket 31, the output shaft of the second motor 321 is connected to the second lead screw 322, the second lead screw 322 is vertically rotatably mounted on the second bracket 31, and the second slider 323 is movably connected to the second lead screw 322. The second motor 321 can drive the glue syringe 34 and the purge assembly 35 to move up and down synchronously. The purge assembly 35 is connected to one side of the second slider 323, and the other side of the second slider 323 is connected to the connecting block 324, and the first cylinder 33 is installed on the connecting block 324, and the output end of the first cylinder 33 is connected to the glue syringe 34 and can drive the glue syringe 34 to move horizontally.

[0060] The purge assembly 35 includes a gas cylinder 351, a nozzle 352 and a speed regulating valve. The outlet of the gas cylinder 351 is connected to the nozzle 352. The speed regulating valve is connected to the gas cylinder 351 and is used to adjust the jet speed of the nozzle 352. The gas cylinder 351 is used to contain the accelerator.

[0061] After the motor rotor reaches the second station, the purge assembly 35 first sprays the accelerator to the motor rotor, and the glue dispensing syringe 34 applies glue to the outer side of the motor rotor while the motor rotor of the lifting mechanism rotates.

[0062] As a preferred implementation mode, Fig.13As shown, the magnet insertion mechanism 4 includes a guide column 41, a third cylinder 44, an upper mounting plate 42, a magnet insertion cylinder 45, a magnet insertion sheet 46, a magnet insertion positioning member 48 and a magnet placement plate 47. The third cylinder 44 is installed at the top of the two guide columns 41, and the output end of the third cylinder 44 is connected to the upper mounting plate 42. The magnet insertion cylinder 45 is installed on the upper mounting plate 42 and its output end is connected to the magnet insertion sheet 46. The magnet insertion sheet 46 is vertically arranged, and the upper mounting plate 42 is fixedly connected to the lower mounting plate 43. The third cylinder 44 can drive the upper mounting plate 42 and the lower mounting plate 43 to move up and down synchronously along the guide column 41.

[0063] The magnetic insertion positioning member 48 is installed on the lower mounting plate 43 and is arranged directly below the magnetic insertion cylinder 45. A vertical magnetic insertion hole 481 adapted to the magnetic sheet is arranged on the magnetic insertion positioning member 48, and a magnetic sheet placement groove 471 is arranged on the magnet placement disk 47. The magnetic sheet placement groove 471 is arranged directly on the side of the magnetic insertion positioning member 48 and can replenish magnetic sheets into the magnetic insertion hole 481. Multiple magnetic sheets are arranged in close proximity in the magnetic sheet placement groove 471. A pusher can be arranged at one end of the magnetic sheet placement groove 471 away from the magnetic insertion positioning member 48 to push the magnetic sheet into the magnetic insertion hole 481, so as to continuously replenish the magnetic sheet for the magnetic insertion hole 481. Two magnetic insertion cylinders 45 are provided, and the two magnetic insertion cylinders 45 can simultaneously paste magnetic sheets on opposite sides of the motor rotor. When there are four magnetic sheets on the motor rotor, the motor rotor needs to rotate after pasting two magnetic sheets to paste the other two magnetic sheets.

[0064] The magnet inserting cylinder 45 can drive the magnet inserting sheet 46 to be inserted into the magnet inserting hole 481 from above and push the magnet in the magnet inserting hole 481 downward and install it on the motor rotor 7. A plug hole 482 adapted to the top of the motor rotor 7 is provided in the middle of the magnet inserting positioning member 48, which is used to be sleeved on the top of the motor rotor 7 to position the motor rotor 7.

[0065] After the motor rotor reaches the third workstation, the third cylinder 44 first drives the upper mounting plate 42 and the lower mounting plate 43 to move downward as a whole, and then the magnet inserting cylinder 45 drives the magnet inserting sheet 46 to be inserted into the magnet inserting hole 481 from above and push the magnet in the magnet inserting hole 481 downward and install it on the motor rotor 7. After the magnet is pasted on one side of the motor rotor, the lifting mechanism drives the motor rotor to rotate, and the magnet inserting cylinder 45 drives the magnet inserting sheet 46 to push the magnet down to the other side of the motor rotor 7.

[0066] As a preferred implementation mode, Fig.14As shown, the sleeve feeding mechanism 5 includes a fourth bracket 52, a three-axis movable arm 53, a gripper 54 and a feeding tray 51. The feeding tray 51 is arranged on one side of the fourth bracket 52. A plurality of sleeves arranged in an array are arranged on the feeding tray 51. The three-axis movable arm 53 is installed on the fourth bracket 52. The gripper 54 is connected to the output end of the three-axis movable arm 53. The three-axis movable arm 53 can drive the gripper 54 to move the sleeve on the feeding tray 51 to the motor rotor 7 at the fourth station. The three-axis movable arm 53 includes a first direction movable arm 531, a second direction movable arm 532 and a third direction movable arm 533 which are perpendicular to each other. The third direction movable arm 533 can drive the gripper 54 to move vertically. The arrangement of the three-axis movable arm 53 can realize the all-round movement of the gripper 54, so as to facilitate the sleeve 72 on the feeding tray 51 to be taken and placed on the motor rotor at the fourth station.

[0067] As a preferred embodiment, the automatic assembly device for the magnetic sheet of the DC motor provided in this embodiment further includes a magnetic sheet pressing mechanism 9, such as Fig.11 As shown, the magnetic sheet pressing mechanism 9 includes a fifth bracket 91, a support plate 93, a slide plate 92, a fifth cylinder 94 and a pressing cylinder 95. The support plate 93 is mounted on the fifth bracket 91, and one end of the support plate 93 away from the fifth bracket 91 is also connected to the top of the first bracket 21, so that the support plate 93 is extended above the fourth station.

[0068] The slide plate 92 is movably arranged on the support plate 93 through the slide rail 931, the fifth cylinder is installed on the slide plate 92, the lower pressure cylinder 95 is vertically arranged and connected to the output end of the fifth cylinder, the fifth cylinder 94 can drive the lower pressure cylinder 95 to move up and down, and the lower pressure cylinder 95 can press the magnetic sheet into place.

[0069] After the motor rotor with the magnetic sheet 71 attached rotates to the fourth station, the attached magnetic sheet 71 is first pressed down into place by the pressing cylinder 95 of the magnetic sheet pressing mechanism 9, and then the sleeve 72 is placed on the motor rotor by the sleeve feeding mechanism 5. Fig.17 The motor rotor then rotates to the first station and the sleeve 72 is pressed down into place by the positioning sleeve 25 of the loading and positioning mechanism 2, as shown in FIG. Fig.18 As shown, the motor rotor assembled on the first station is manually removed to complete the automatic assembly of a magnetic sheet, and then another motor rotor without magnetization is installed on the first station to carry out the next cycle assembly process.

[0070] The above is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make several modifications and improvements without departing from the creative concept of the present invention, which should be included in the protection scope of the present invention.

Claims

1. An automatic assembly device for magnetic sheets of a DC motor, characterized in that: The invention comprises a turntable mechanism (6), a material loading and positioning mechanism (2), a glue dispensing mechanism (3), a magnet insertion mechanism (4) and a sleeve loading mechanism (5); the turntable (62) mechanism (6) comprises a turntable driving mechanism (63) and a turntable (62); a plurality of turntable assembly positions (61) are arranged on the periphery of the turntable (62); the material loading and positioning mechanism (2), the glue dispensing mechanism (3), the magnet insertion mechanism (4) and the sleeve loading mechanism (5) are respectively arranged around the turntable (62); a motor rotor (7) is placed on the turntable assembly position (61) at the first station The motor rotor (7) is fixed by the loading and positioning mechanism (2), the turntable (62) drives the motor rotor (7) to rotate to the second station and glue is applied to the outer wall of the motor rotor (7) by the glue dispensing mechanism (3), the turntable (62) drives the motor rotor (7) to rotate to the third station and the magnetic sheet is assembled to the outer wall of the motor rotor (7) by the magnetic insertion mechanism (4), the turntable (62) drives the motor rotor (7) to rotate to the fourth station and the sleeve is installed on the outer side of the magnetic sheet by the sleeve loading mechanism (5).

2. The automatic assembly device for magnetic sheets of a DC motor according to claim 1, characterized in that: A plurality of mounting holes (621) are provided on the turntable (62), the turntable assembly position (61) is installed at the mounting holes (621), and a lifting mechanism (8) is provided below the turntable (62), the lifting mechanism (8) being used to lift up a motor rotor (7) installed on the turntable assembly position (61) and drive the motor rotor to rotate.

3. The automatic assembly device for magnetic sheets of a DC motor according to claim 2, characterized in that: The turntable assembly position (61) includes a clamping platform (611), a connecting plate (612), a connecting shaft (613), a bottom plate (614), an outer cylinder (615), an inner cylinder (616) and a bearing (617). The bearing (617) is installed between the outer cylinder (615) and the inner cylinder (616). The clamping platform (611) is connected to the upper side of the connecting plate (612). The top end of the connecting shaft (613) is fixedly connected to the connecting plate (612) and the bottom end thereof is fixedly connected to the bottom plate (614). The connecting shaft (613) is vertically arranged to pass through the inner cylinder (616). The connecting plate (612) and the bottom plate (614) are respectively located on the upper side and the lower side of the outer cylinder (615).

4. The automatic assembly device for magnetic sheets of a DC motor according to claim 3, characterized in that: The lifting mechanism (8) comprises a lifting cylinder (81), a rotating motor (82), a top plate (85) and a positioning connecting piece (84); the lifting cylinder (81) is connected to the top plate (85) via a first connecting component and is capable of driving the top plate (85) to move up and down; the rotating motor (82) is installed below the top plate (85) and its output shaft is connected to the positioning connecting piece (84); the positioning connecting piece (84) is installed on the upper side of the top plate (85) via a bearing (617).

5. The automatic assembly device for magnetic sheets of a DC motor according to claim 1, characterized in that: The feeding positioning mechanism (2) comprises a first bracket (21), a first motor (22), a first lead screw (23), a first slider (24) and a positioning sleeve (25), wherein the first motor (22) is mounted on the first bracket (21), the output shaft of the first motor (22) is connected to the first lead screw, the first lead screw is vertically rotatably mounted on the first bracket (21), the first slider (24) is movably connected to the first lead screw, the positioning sleeve (25) is connected to a side of the first slider (24) facing away from the first bracket (21), and the positioning sleeve (25) is provided with a vertical through hole adapted to the top end of the motor rotor (7).

6. The automatic assembly device for magnetic sheets of a DC motor according to claim 1, characterized in that: The glue dispensing mechanism (3) comprises a second bracket (31), a glue dispensing syringe (34), a purge assembly (35) and a first movable assembly (32), wherein the first movable assembly (32) is connected to the second bracket (31), one end of the movable assembly (32) is connected to the purge assembly (35) and the other end is connected to the glue dispensing syringe (34).

7. The automatic assembly device for magnetic sheets of a DC motor according to claim 6, characterized in that: The moving assembly (32) comprises a second motor (321), a second lead screw (322) and a second slider (323); the second motor (321) is mounted on the second bracket (31); the output shaft of the second motor (321) is connected to the second lead screw (322); the second lead screw (322) is vertically rotatably mounted on the second bracket (31); the second slider (323) is movably connected to the second lead screw (322); the purge assembly (35) is connected to one side of the second slider (323); the other side of the second slider (323) is connected to a connecting block (324); a first cylinder (33) is mounted on the connecting block (324); the output end of the first cylinder (33) is connected to the glue dispensing syringe (34) and can drive the glue dispensing syringe (34) to move laterally.

8. The automatic assembly device for magnetic sheets of a DC motor according to claim 1, characterized in that: The magnet insertion mechanism (4) comprises a guide column (41), a third cylinder (44), an upper mounting plate (42), a magnet insertion cylinder (45), a magnet insertion sheet (46), a magnet insertion positioning member (48) and a magnet placement plate (47); the third cylinder (44) is mounted on the top ends of the two guide columns (41); the output end of the third cylinder (44) is connected to the upper mounting plate (42); the magnet insertion cylinder (45) is mounted on the upper mounting plate (42) and its output end is connected to the magnet insertion sheet (46); the magnet insertion sheet (46) is arranged vertically; the upper mounting plate (42) is fixedly connected to the lower mounting plate (43); the magnet insertion positioning member (48) is connected to the magnet placement plate (47); The positioning member (48) is mounted on the lower mounting plate (43) and is arranged directly below the magnet insertion cylinder (45). A vertical magnet insertion hole (481) adapted to the magnet sheet is arranged on the magnet insertion positioning member (48). A magnet sheet placement groove (471) is arranged on the magnet placement disk (47). The magnet sheet placement groove is arranged directly on the side of the magnet insertion positioning member (48) and is capable of replenishing a magnet sheet in the magnet insertion hole (481). The magnet insertion cylinder (45) is capable of driving the magnet insertion sheet (46) to be inserted into the magnet insertion hole (481) and to assemble the magnet sheet in the magnet insertion hole (481) downward onto the motor rotor (7).

9. The automatic assembly device for magnetic sheets of a DC motor according to claim 1, characterized in that: The sleeve feeding mechanism (5) comprises a fourth bracket (52), a three-axis movable arm (53), a gripper (54) and a feeding tray (51), wherein the feeding tray (51) is arranged on one side of the fourth bracket (52), and a plurality of sleeves arranged in an array are arranged on the feeding tray (51), the three-axis movable arm (53) is installed on the fourth bracket (52), and the gripper (54) is connected to the output end of the three-axis movable arm (53), and the three-axis movable arm (53) can drive the gripper (54) to move the sleeve on the feeding tray (51) to the motor rotor (7) at the fourth station.

10. The automatic assembly device for magnetic sheets of a DC motor according to claim 8, characterized in that: It also includes a magnetic sheet pressing mechanism (9), which includes a fifth bracket (91), a support plate (93), a slide plate (92), a fifth cylinder (94) and a pressing cylinder (95), wherein the support plate (93) is mounted on the fifth bracket (91), the slide plate (92) is movably arranged on the support plate (93) via a slide rail (931), the fifth cylinder is mounted on the slide plate (92), the pressing cylinder (95) is vertically arranged and connected to the output end of the fifth cylinder, the fifth cylinder can drive the pressing cylinder (95) to move up and down, and the pressing cylinder (95) can press the magnetic sheet into place.

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