Motor assembly equipment
By designing automated motor assembly equipment, the automatic press-fitting and assembly of bearings is achieved using chain plate conveying and bearing loading mechanisms, the problems of high labor intensity and low efficiency caused by manual operation in the prior art are solved, and a safer and more efficient assembly process is achieved.
Patent Information
- Application Number
- CN202411457943.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2044-10-18
AI Technical Summary
Existing motor assembly technology relies too much on labor, resulting in high labor intensity for workers and easy damage to their hands, and low process efficiency.
A motor assembly equipment is designed, including a chain plate conveying mechanism, a bearing loading mechanism and a pressing mechanism. Through automated chain plate conveying and bearing loading, automatic pressing and assembly of bearings is realized.
No manual operation of workers is required, which reduces workers' labor intensity, avoids hand damage, and improves assembly efficiency.
Smart Images

Figure CN118971535B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of motor production, in particular to motor assembly equipment. Background Art
[0002] The main function of the motor is to convert mechanical energy into electrical energy. Currently, the most commonly used method is to use thermal energy, water energy, etc. to drive the generator rotor to generate electricity. During the motor production process, bearings need to be installed on the motor end cover.
[0003] For example, the prior art CN108306470B proposes a motor end cover bearing riveting tool, comprising an upper template and a lower template, wherein the upper template and the lower template are connected by at least two guide rods; the lower end of the guide rod is fixed to the lower template, and the upper end passes through a through hole provided on the upper template and adapted to the guide rod; the tool can realize the pressing of the bearing and assemble the bearing to the motor end cover.
[0004] However, the existing technology is overly dependent on manual labor when working. During processing, workers are required to manually place the bearings and then use pressing equipment to press them. This method is not only labor-intensive for workers, but also because the bearings are placed manually and the pressing equipment is located above the motor end cover, the workers' hands are easily damaged by the machine, resulting in certain defects in practical applications. For this reason, we provide a motor assembly device to solve the above-mentioned problems. Summary of the invention
[0005] The object of the present invention is to provide a motor assembly device to solve the problems raised in the above background technology.
[0006] To achieve the above object, the present invention provides the following technical solutions:
[0007] A motor assembly device comprises a mounting chassis, wherein a chain plate conveying mechanism is provided at the upper end of the mounting chassis, a plurality of limit plates for placing motor end covers are provided on the chain plates of the chain plate conveying mechanism, and the limit plates are arranged at equal intervals, and a driving mechanism for driving the chain plate conveying mechanism to perform intermittent operation is provided on one side of the mounting chassis;
[0008] A bearing loading mechanism for loading bearings is provided on one side of the mounting chassis;
[0009] A pressing mechanism for pressing the bearing into the motor end cover is provided on the other side of the mounting chassis, and the pressing mechanism includes a mounting arm, which is fixedly connected to the other side of the mounting chassis, an electric cylinder is installed on the upper end of the mounting arm, and a pressing column is installed on the output end of the electric cylinder;
[0010] A positioning mechanism for positioning the limit plate is provided at the lower end of the mounting arm;
[0011] The upper end of the mounting chassis is also provided with a material taking mechanism for automatically transferring the bearings on the bearing feeding mechanism to the central hole of the bearing end cover.
[0012] As a further solution of the present invention: the driving mechanism includes a driving gear, which is installed at the end of the transmission shaft at one end of the chain conveying mechanism. A servo motor is installed on one side of the mounting chassis, and a motor gear is installed at the output end of the servo motor, and the motor gear is meshed with the driving gear.
[0013] As a further solution of the present invention: the pitch circle diameter of the driving gear is larger than the pitch circle diameter of the motor gear.
[0014] As a further solution of the present invention: the bearing feeding mechanism includes a supporting cross plate, the supporting cross plate is fixedly connected to a position on one side of the mounting chassis, both ends of the upper end surface of the supporting cross plate are equipped with direct vibrations, the vibrating end of the direct vibration is equipped with a track plate, the upper end of the track plate is fixedly connected to a limiting side rail, and one end of the limiting side rail is provided with a limiting bottom ring.
[0015] As a further solution of the present invention: the height of the limiting bottom ring is less than half the height of the bearing.
[0016] As a further solution of the present invention: the positioning mechanism includes a U-shaped positioning frame, which is slidably connected to the positions on both sides of the mounting arm, a vertical plate is fixedly connected to the middle of one end rod of the U-shaped positioning frame, an electric push rod for pushing the vertical plate to move is provided inside the mounting chassis, and the end of the U-shaped positioning frame is a slope.
[0017] As a further scheme of the present invention: the material picking mechanism comprises two material picking mounting plates, the lower ends of both sides of the two material picking mounting plates are fixedly connected with fixed arms, the lower ends of the fixed arms are fixedly connected to the mounting chassis, the middle of the material picking mounting plate is rotatably connected with a central axis, and the material picking mounting plates are provided with an inverted U-shaped guide groove, and the central axis is located between the two material picking mounting plates and is fixedly connected with a swing frame, the lower end of the material picking mounting plate on one side is fixedly connected with a first slide rail, the first slide rail is slidably connected with a slide seat, the slide seat is slidably connected with an L-shaped slide plate, the upper end of the L-shaped slide plate is fixedly connected with an action pin shaft, the action pin shaft is slidably connected to the inside of the inverted U-shaped guide groove, the action pin shaft is slidably connected to the swing frame, and the L-shaped slide plate is fixedly connected with an action pin shaft at the upper end of the L-shaped slide plate away from the action pin shaft is provided with a material picking hand for grabbing the bearing, the end of the central axis away from the first slide rail is fixedly connected with the first gear, and the mounting chassis is provided with a transmission mechanism for driving the first gear to rotate.
[0018] As a further solution of the present invention: the material grabber includes a notched ring block, a plurality of limiting slide grooves are opened in the notched ring block, a clamping block is slidably connected in the limiting slide groove, and springs are installed inside the limiting slide groove.
[0019] As a further solution of the present invention: the transmission mechanism includes a second slide rail, the second slide rail is fixedly connected to a position on one side of the material picking mounting plate, the second slide rail is slidably connected with a rack, the rack is meshed with the first gear, the lower end of the rack is fixedly connected to a connecting plate, the other end of the driving gear transmission shaft is equipped with a first synchronous wheel, the mounting chassis is rotatably connected to a second synchronous wheel at a position below the connecting plate, a synchronous belt is installed between the first synchronous wheel and the second synchronous wheel, the second synchronous wheel is rotatably connected to a connecting rod at a position away from the center of the circle, and the upper end of the connecting rod is rotatably connected to the lower end of the connecting plate.
[0020] As a further solution of the present invention: the lower ends of the clamping blocks are all provided with inclined surfaces.
[0021] Compared with the prior art, the present invention has the following beneficial effects:
[0022] 1. The present invention provides a material taking mechanism, which can take out the bearings on the bearing feeding mechanism and place them on the center hole on the motor end cover during operation, and then press them together through the pressing mechanism. During the pressing process, no worker intervention is required, which avoids the dangerous situation of workers manually taking and placing bearings in the prior art, and reduces the labor intensity of workers.
[0023] 2. The material picking mechanism in the present invention moves synchronously with the chain conveying mechanism through the transmission mechanism, so that while the chain conveying mechanism is conveying, the material picking hand can move to the bearing loading mechanism, take out the bearing and then return to the top of the bearing cover, so that after the chain conveying mechanism finishes moving, the material picking work can be completed, avoiding prolonging the pressing time during the material picking process, and effectively improving the efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the structure of the present invention.
[0025] Figure 2 It is a structural schematic diagram of the other side in the present invention.
[0026] Figure 3 It is a structural schematic diagram of the transmission mechanism in the present invention.
[0027] Figure 4 It is a structural schematic diagram of the material taking mechanism in the present invention.
[0028] Figure 5 It is a schematic diagram of the local structure of the material taking mechanism in the present invention.
[0029] Figure 6 It is a partial cross-sectional structural schematic diagram of the material taking arm in the present invention.
[0030] Among them: 101, installation chassis; 102, chain plate conveying mechanism; 103, limit plate;
[0031] 200, pressing mechanism; 201, mounting arm; 202, pressing column; 203, electric cylinder;
[0032] 300, material taking mechanism; 301, material taking mounting plate; 302, inverted U-shaped guide groove; 303, central axis; 304, first gear; 305, action pin; 306, L-shaped slide plate; 307, material taking hand; 308, swing frame; 309, fixed arm; 310, first slide rail; 311, slide seat;
[0033] 3071, clamping block; 3072, limiting slide groove; 3073, spring; 3074, notched ring block;
[0034] 400, positioning mechanism; 401, U-shaped positioning frame; 402, vertical plate; 403, electric push rod;
[0035] 500, bearing feeding mechanism; 501, supporting horizontal plate; 502, direct vibration; 503, limiting bottom ring; 504, track plate; 505, limiting side rail;
[0036] 600, driving mechanism; 601, servo motor; 602, motor gear; 603, driving gear;
[0037] 700, transmission mechanism; 701, second slide rail; 702, rack; 703, connecting rod; 704, second synchronous wheel; 705, synchronous belt; 706, first synchronous wheel; 707, connecting plate. DETAILED DESCRIPTION
[0038] 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.
[0039] See also Figure 1-Figure 6In an embodiment of the present invention, a motor assembly device includes a mounting chassis 101, a chain plate conveying mechanism 102 is provided at the upper end of the mounting chassis 101, a plurality of limit plates 103 for placing motor end covers are provided on the chain plates of the chain plate conveying mechanism 102, and the limit plates 103 are arranged at equal intervals. A driving mechanism 600 for driving the chain plate conveying mechanism 102 to perform intermittent operation is provided on one side of the mounting chassis 101; the driving mechanism 600 includes a driving gear 603, and the driving gear 603 is installed at the end of a transmission shaft at one end of the chain plate conveying mechanism 102. A servo motor 601 is installed on one side, and a motor gear 602 is installed on the output end of the servo motor 601, and the motor gear 602 is meshed with the driving gear 603; the pitch circle diameter of the driving gear 603 is larger than the pitch circle diameter of the motor gear 602; when working, the servo motor 601 drives the motor gear 602 to rotate, and the rotation of the motor gear 602 drives the driving gear 603 to rotate, and the rotation of the driving gear 603 can drive the chain conveying mechanism 102 to operate, and at the same time, by controlling the number of rotations of the servo motor 601 each time it is started, the intermittent movement of the chain conveying mechanism 102 can be achieved.
[0040] A bearing feeding mechanism 500 for feeding bearings is provided on one side of the mounting chassis 101; the bearing feeding mechanism 500 comprises a supporting cross plate 501, the supporting cross plate 501 is fixedly connected to a position on one side of the mounting chassis 101, both ends of the upper end surface of the supporting cross plate 501 are installed with direct vibrations 502, the vibrating end of the direct vibration 502 is installed with a track plate 504, the upper end of the track plate 504 is fixedly connected with a limiting side rail 505, one end of the limiting side rail 505 is provided with a limiting bottom ring 503; the height of the limiting bottom ring 503 is less than half the height of the bearing; when feeding, the bearing is placed between the limiting side rails 505, and then the vibration of the direct vibration 502 transports the bearing to the track plate 504, thereby facilitating the picking up by the picking mechanism 300, and in actual application, the track plate 504 can be connected to the vibration disk for automatic feeding.
[0041] A pressing mechanism 200 for pressing the bearing into the motor end cover is provided on the other side of the mounting chassis 101, and the pressing mechanism 200 includes a mounting arm 201, and the mounting arm 201 is fixedly connected to the other side of the mounting chassis 101. An electric cylinder 203 is installed on the upper end of the mounting arm 201, and a pressing column 202 is installed on the output end of the electric cylinder 203; during operation, the output end of the electric cylinder 203 drives the pressing column 202 to move downward, and the pressing column 202 moves downward to press the bearing in the material picking hand 307 into the center hole of the motor end cover, so that the bearing can be pressed into the center hole of the motor end cover, thereby completing the assembly of the bearing.
[0042] The lower end of the mounting arm 201 is provided with a positioning mechanism 400 for positioning the limit plate 103; the positioning mechanism 400 includes a U-shaped positioning frame 401, the U-shaped positioning frame 401 is slidably connected to the positions on both sides of the mounting arm 201, a vertical plate 402 is fixedly connected in the middle of one end rod of the U-shaped positioning frame 401, and an electric push rod 403 for pushing the vertical plate 402 to move is provided inside the mounting chassis 101, and the end of the U-shaped positioning frame 401 is an inclined surface. When positioning the limit plate 103, the electric push rod 403 drives the vertical plate 402 to move toward the mounting chassis 101, so that the U-shaped positioning frame 401 limits the limit plate 103, so that the limit plate 103 can be located directly below the pressing column 202, thereby preventing the operating error of the chain conveying mechanism 102 from affecting the positioning accuracy of the limit plate 103.
[0043] The upper end of the mounting chassis 101 is also provided with a feeding mechanism 300 for automatically transferring the bearings on the bearing feeding mechanism 500 to the center hole of the bearing end cover; the feeding mechanism 300 includes two feeding mounting plates 301, the lower ends of both sides of the two feeding mounting plates 301 are fixedly connected with fixed arms 309, the lower ends of the fixed arms 309 are fixedly connected to the mounting chassis 101, the middle of the feeding mounting plates 301 is rotatably connected with a central axis 303, and the feeding mounting plates 301 are opened An inverted U-shaped guide groove 302 is provided, and the central axis 303 is fixedly connected to a swing frame 308 at a position between the two material-collecting mounting plates 301. The lower end of the material-collecting mounting plate 301 on one side is fixedly connected to a first slide rail 310, and a slide seat 311 is slidably connected to the first slide rail 310. An L-shaped slide plate 306 is slidably connected to the slide seat 311. The upper end of the L-shaped slide plate 306 is fixedly connected to an action pin 305, and the action pin 305 is slidably connected to the inside of the inverted U-shaped guide groove 302. The action pin 305 is slidably connected with the swing frame 308, and the end of the L-shaped slide plate 306 away from the action pin 305 is provided with a material picking hand 307 for grabbing the bearing, and the end of the central axis 303 away from the first slide rail 310 is fixedly connected with the first gear 304, and the mounting chassis 101 is provided with a transmission mechanism 700 for driving the first gear 304 to rotate; during operation, the transmission mechanism 700 drives the first gear 304 to perform a half-circle forward and reverse rotation, so that the swing frame 308 swings, and the swing of the swing frame 308 drives the action pin 305 to move, so that the action pin 305 moves along the inverted U-shaped guide groove 302, and then the material picking hand 307 can be lifted, moved horizontally and then dropped, so that during operation, the material picking hand 307 can move to the position of the bearing on the track plate 504, and then the material picking hand 307 grabs the bearing, and then resets back to the top of the center hole of the motor end cover after grabbing, so that it is convenient for the pressing mechanism 200 to press.
[0044] The material grabber 307 includes a notched ring block 3074, in which a plurality of limiting grooves 3072 are provided, and a clamping block 3071 is slidably connected in the limiting grooves 3072, and a spring 3073 is installed inside the limiting grooves 3072; the lower end of the clamping block 3071 is provided with an inclined surface; when working, the notched ring block 3074 moves downward and is sleeved on the bearing, and the clamping block 3071 is retracted into the limiting groove 3072 under the action of extrusion, and then the clamping block 3071 clamps the bearing under the elastic force of the spring 3073, thereby realizing the grasping of the bearing, and when pressing, the pressing column 202 squeezes the bearing out of the notched ring block 3074 from top to bottom to complete the separation of the bearing.
[0045] The transmission mechanism 700 includes a second slide rail 701, which is fixedly connected to a position on one side of the material-collecting mounting plate 301. A rack 702 is slidably connected to the second slide rail 701, and the rack 702 is meshed with the first gear 304. A connecting plate 707 is fixedly connected to the lower end of the rack 702. A first synchronous wheel 706 is installed at the other end of the transmission shaft of the driving gear 603. The mounting chassis 101 is rotatably connected to a second synchronous wheel 704 at a position below the connecting plate 707. A synchronous belt 706 is installed between the first synchronous wheel 706 and the second synchronous wheel 704. 05, the second synchronous wheel 704 is rotatably connected to a connecting rod 703 at a position away from the center of the circle, and the upper end of the connecting rod 703 is rotatably connected to the lower end of the connecting plate 707; when working, the transmission shaft of the chain plate conveying mechanism 102 drives the synchronous belt 705 to operate, and the operation of the synchronous belt 705 drives the second synchronous wheel 704 to rotate, and the second synchronous wheel 704 rotates to reach the connecting rod 703 to operate, and the operation of the connecting rod 703 drives the connecting plate 707, and the movement of the connecting plate 707 drives the rack 702 to move up and down, and the up and down movement of the rack 702 drives the first gear 304 to rotate accordingly.
[0046] The working principle of the present invention is as follows: when working, the motor end cover to be assembled with the bearing is first placed on the limit plate 103, and then the servo motor 601 drives the motor gear 602, the motor gear 602 rotates to drive the driving gear 603 to rotate one circle, the driving gear 603 rotates one circle to drive the chain plate conveying mechanism 102 to run a certain distance, so that the limit plate 103 runs to the position below the pressing column 202, at the same time, the first synchronous wheel 706 rotates one circle to drive the second synchronous wheel 704 to rotate one circle, the second synchronous wheel 704 rotates one circle to drive the rack 702 to move up and down once, the rack 702 drives the first gear 304 to perform a half circle of forward and reverse rotation, so that the swing frame 30 8 swings, and the swing frame 308 swings to drive the action pin 305 to move, so that the action pin 305 moves along the inverted U-shaped guide groove 302, and then the material picking hand 307 can be lifted and moved horizontally and then dropped, so that when working, the material picking hand 307 can move to the position of the bearing on the track plate 504, and then the material picking hand 307 grabs the bearing, and then resets it back to the top of the center hole of the motor end cover after grabbing, and then the output end of the electric cylinder 203 drives the pressing column 202 to move downward, and the pressing column 202 moves downward to press the bearing in the material picking hand 307 into the center hole of the motor end cover, and then the bearing can be pressed into the center hole of the motor end cover, thereby completing the assembly of the bearing.
[0047] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although this specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A motor assembly device, comprising a mounting case (101), wherein a chain plate conveying mechanism (102) is provided at the upper end of the mounting case (101), characterized in that: A plurality of limit plates (103) for placing motor end covers are provided on the chain plates of the chain plate conveying mechanism (102), and the limit plates (103) are arranged at equal intervals. A driving mechanism (600) for driving the chain plate conveying mechanism (102) to perform intermittent operation is provided on one side of the mounting chassis (101); A bearing loading mechanism (500) for loading bearings is provided on one side of the mounting chassis (101); A pressing mechanism (200) for pressing the bearing into the motor end cover is provided on the other side of the mounting case (101), the pressing mechanism (200) comprising a mounting arm (201), the mounting arm (201) being fixedly connected to the other side of the mounting case (101), an electric cylinder (203) being installed on the upper end of the mounting arm (201), and a pressing column (202) being installed on the output end of the electric cylinder (203); A positioning mechanism (400) for positioning the limiting plate (103) is provided at the lower end of the mounting arm (201); The upper end of the mounting box (101) is also provided with a material taking mechanism (300) for automatically transferring the bearing on the bearing feeding mechanism (500) to the central hole of the bearing end cover; The material taking mechanism (300) comprises two material taking installation plates (301), the lower ends of both sides of the two material taking installation plates (301) are fixedly connected to fixed arms (309), the lower ends of the fixed arms (309) are fixedly connected to the mounting chassis (101), the middle of the material taking installation plates (301) is rotatably connected to a central axis (303), the material taking installation plates (301) are each provided with an inverted U-shaped guide groove (302), the central axis (303) is fixedly connected to a swing frame (308) at a position between the two material taking installation plates (301), the lower end of one side of the material taking installation plate (301) is fixedly connected to a first slide rail (310), and the first slide rail (310) is slidably connected to a slide seat (303). 11), an L-shaped slide plate (306) is slidably connected to the slide seat (311), an upper end of the L-shaped slide plate (306) is fixedly connected to an action pin shaft (305), the action pin shaft (305) is slidably connected inside the inverted U-shaped guide groove (302), the action pin shaft (305) is slidably connected to the swing frame (308), an end of the L-shaped slide plate (306) away from the action pin shaft (305) is provided with a material grabber (307) for grabbing the bearing, an end of the central shaft (303) away from the first slide rail (310) is fixedly connected to the first gear (304), and a transmission mechanism (700) for driving the first gear (304) to rotate is provided on the mounting chassis (101); The material taking hand (307) comprises a notched ring block (3074), a plurality of limiting slide grooves (3072) are provided in the notched ring block (3074), a clamping block (3071) is slidably connected in the limiting slide groove (3072), and a spring (3073) is installed inside each of the limiting slide grooves (3072); The driving mechanism (600) comprises a driving gear (603); The transmission mechanism (700) comprises a second slide rail (701), the second slide rail (701) is fixedly connected to a position on one side of the material taking installation plate (301), a rack (702) is slidably connected to the second slide rail (701), the rack (702) is meshed with the first gear (304), the lower end of the rack (702) is fixedly connected to a connecting plate (707), the other end of the transmission shaft of the driving gear (603) is installed with a first synchronous wheel (706), the installation chassis (101) is rotatably connected to the second synchronous wheel (704) at a position below the connecting plate (707), a synchronous belt (705) is installed between the first synchronous wheel (706) and the second synchronous wheel (704), the second synchronous wheel (704) is rotatably connected to a connecting rod (703) at a position away from the center of the circle, and the upper end of the connecting rod (703) is rotatably connected to the lower end of the connecting plate (707).
2. The motor assembly equipment according to claim 1, characterized in that: The driving gear (603) is mounted on the end of a transmission shaft at one end of the chain conveying mechanism (102); a servo motor (601) is mounted on one side of the mounting chassis (101); a motor gear (602) is mounted on the output end of the servo motor (601); and the motor gear (602) is meshed with the driving gear (603).
3. The motor assembly equipment according to claim 2, characterized in that: The pitch circle diameter of the driving gear (603) is greater than the pitch circle diameter of the motor gear (602).
4. The motor assembly equipment according to claim 1, characterized in that: The bearing feeding mechanism (500) comprises a supporting transverse plate (501), the supporting transverse plate (501) being fixedly connected to a position on one side of the mounting chassis (101), both ends of the upper end surface of the supporting transverse plate (501) being mounted with direct vibrations (502), the vibrating end of the direct vibration (502) being mounted with a track plate (504), the upper end of the track plate (504) being fixedly connected to a limiting side rail (505), and one end of the limiting side rail (505) being provided with a limiting bottom ring (503).
5. The motor assembly equipment according to claim 4, characterized in that: The height of the limiting bottom ring (503) is less than half the height of the bearing.
6. The motor assembly equipment according to claim 1, characterized in that: The positioning mechanism (400) comprises a U-shaped positioning frame (401), the U-shaped positioning frame (401) being slidably connected to positions on both sides of the mounting arm (201), a vertical plate (402) being fixedly connected in the middle of a rod at one end of the U-shaped positioning frame (401), an electric push rod (403) for pushing the vertical plate (402) to move is provided inside the mounting chassis (101), and the end of the U-shaped positioning frame (401) is an inclined surface.
7. The motor assembly equipment according to claim 1, characterized in that: The lower ends of the clamping blocks (3071) are each provided with an inclined surface.
Citation Information
Patent Citations
A tooling for riveting bearings on motor end caps
CN108306470B
Electric motor car motor end cover last item holds synthesizes machine with beating to glue
CN207691652U
Precise cam taking and placing mechanism
CN214454950U
Automatic assembling machine for motor parts
CN217776176U
Cleaning device for motor end cover of new energy automobile
CN220277701U