CN103394890B - Automatic crimping bearing machine - Google Patents

Abstract

The invention relates to the field of motor rotors, in particular to an automatic bearing crimping machine, which includes a rotor feeding device, a bearing feeding device and a bearing pressing device; the bearing pressing device includes a linear drive mechanism and a rotor for supporting a rotor to be assembled For the brackets of the rotor shafts at both ends, the two sides of the bracket are respectively provided with bearing crimping seats and the three are located on the same straight line, and the linear drive mechanism drives the bearing crimping seats to move towards the bracket. The bearing feeding device transfers the bearing to be assembled to the bearing crimping seat, the rotor feeding device transfers the rotor to be assembled to the bracket, the bearing feeding device transfers the bearing to be assembled to the bearing crimping seat, and the rotor After the loading device transfers the rotor to be assembled to the bracket, the linear drive mechanism of the bearing press-in device pushes the bearing crimping seat connected to it to move towards the bracket, and the linear drive mechanism continues to move. The bearing is crimped on the rotor shaft to realize automatic Pressing the bearings improves work efficiency and saves labor costs.

Description

Automatic crimping bearing machine

technical field

The invention relates to the field of motor rotors, in particular to an automatic crimping bearing machine.

Background technique

During the assembly process of the motor, bearings need to be installed on the shafts on both sides of the rotor. The current rotor assembly line uses manual assembly, that is, the installer manually places the bearing on the bearing crimping seat and then crimps the bearing. This assembly method A large amount of manpower is required, labor is time-consuming, the efficiency is very low, and the production cost is very high.

Contents of the invention

The purpose of the present invention is to provide an automatic bearing crimping machine with simple structure and high efficiency.

In order to achieve the above object, the present invention adopts the following technical solutions: an automatic bearing crimping machine, including a rotor feeding device, a bearing feeding device and a bearing pressing device; the bearing pressing device includes a linear drive mechanism and a The brackets supporting the rotor shafts at both ends of the rotor to be assembled are respectively provided with bearing crimping seats on both sides of the brackets and the three are located on the same straight line. The linear drive mechanism drives the bearing crimping seats to move towards the bracket. The bearing feeding device transfers the bearing to be assembled to the bearing crimping seat, and the rotor feeding device transfers the rotor to be assembled to the bracket.

Due to the adoption of the above technical scheme, the bearing feeding device transfers the bearing to be assembled to the bearing crimping seat, and the rotor feeding device transfers the rotor to be assembled to the bracket, and the linear drive mechanism of the bearing pressing device pushes the bearing connected to it for crimping The seat moves towards the bracket, and the bearings located on both sides of the bracket are set on the rotor shaft of the rotor to be transferred. The linear drive mechanism continues to move the bearings to be crimped on the rotor shaft to realize automatic crimping of the bearings. The bearing crimping machine can Automatic feeding and crimping reduce the amount of manual operations, improve work efficiency and save labor costs.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structural schematic diagram of a bearing press-in device;

Fig. 3 is a structural schematic diagram of a bearing feeding device;

Fig. 4 is a schematic structural view of the rotor feeding device;

Fig. 5 is the structural representation of automatic feed mechanism;

Detailed ways

As shown in Figure 1, an automatic bearing crimping machine includes a rotor feeding device 10, a bearing feeding device 20 and a bearing pressing device 30;

The bearing press-in device 30 includes a linear drive mechanism 32 and a bracket 31 for supporting the rotor shaft 51 at both ends of the rotor 50 to be assembled. The two sides of the bracket 31 are respectively provided with bearing crimping seats 33 and The three are located on the same straight line, and the linear drive mechanism drives the bearing crimping seat 33 to move towards the bracket 31 .

The bearing feeding device 20 transfers the bearing 60 to be assembled to the bearing crimping seat 33 , and the rotor feeding device 10 transfers the rotor 50 to be assembled to the bracket 31 .

The bearing feeding device 20 transfers the bearing 60 to be assembled to the bearing crimping seat 33, and the rotor feeding device 10 transfers the rotor 50 to be assembled to the bracket 31, and the linear drive mechanism 32 of the bearing pressing device 30 pushes the bearing connected to it. The crimping seat 33 moves toward the bracket 31, the bearings located on both sides of the bracket 31 are set on the rotor shaft of the rotor 50 to be transferred, and the linear drive mechanism 32 continues to move the bearings to be crimped on the rotor shaft to realize automatic crimping of the bearings , The bearing crimping machine can automatically load and crimp, reduce the amount of manual operations, improve work efficiency and save labor costs.

As shown in FIG. 3 , the bearing feeding device 20 includes a support table 21 and a straight rod 23 for the bearings 60 to be assembled in series, the straight rod 23 is arranged vertically and located above the support table 21 , A gap is provided between the bottom end of the straight rod 23 and the support platform 21, and the height of the gap is not less than the axial width of the bearing 60 to be assembled. The guide groove 24, the groove bottom of the guide groove 24 is arranged obliquely downward, the height of the groove bottom is lower than the height of the support platform 21, the connecting bearing crimping seat 33 at the lower end of the guide groove 24 is located on the straight rod 23 The supporting platform 21 on the other side is provided with a pushing mechanism 25 for pushing the bearing 60 to be assembled to move toward one side of the guide groove 24 . A plurality of bearings 60 to be assembled are stringed on the straight rod 23 sequentially, and the bearing 60 to be assembled at the bottom of the straight rod 23 falls to the table surface of the support table 21 under the action of gravity, and the pushing mechanism 25 pushes the bearing 60 to be assembled to the In the guide groove 24, since the groove bottom of the guide groove 24 is arranged obliquely downward, the bearing 60 to be assembled rolls down along the groove bottom of the guide groove 24 into the bearing crimping seat 33, and the previous bearing is pushed into the guide groove 24 Finally, the last bearing 60 to be assembled falls on the table top of the supporting platform 21 under the action of gravity, and the pushing mechanism 25 moves again, and so on, the pushing mechanism 25 constantly repeats the action, realizing the automatic loading of the bearing, and the device saves a lot of time. Manpower and material resources have improved work efficiency and reduced production costs.

In the present invention, bearing feeding devices 20 are respectively provided on the sides of the bearing crimping seats 33 on both sides of the bracket 31 , as shown in FIG. 1 . The two bearing feeding devices 20 respectively transfer the bearings 60 to be assembled to the bearing crimping seats 33 on the corresponding sides.

As shown in FIG. 4, the rotor feeding device 10 includes a moving mechanism 11 and an air gripper 12 for clamping the rotor 50 to be transferred. The air gripper 12 is fixed on the moving mechanism 11, and the moving mechanism 11 drives The air gripper 12 grabs the rotor 50 to be assembled and places it on the bracket 31 .

As shown in Figures 1 and 5, an automatic feed mechanism 40 for the rotor 50 to be assembled is provided on the side of the bearing press-in device 30, and the automatic feed mechanism 40 includes two groups respectively located at the rotor 50 to be assembled. Side and parallel guide rails 41, the guide rails 41 include two stages of slideways 42, each stage of slideway 42 is provided with a slope 421 for supporting the rotor shaft, the slope 421 is arranged inclined downwards, wherein the previous stage The low end of the inclined plane 421 of the slideway 42a connects the high end of the inclined plane 421 of the rear one-stage slideway 42b, and a limiting platform 43 is formed between the adjacent two-stage slideway 42, and the side of the slideway 42 is provided with a Assemble the lifting mechanism 44 of the rotor 50, the lift distance of the lifting mechanism 44 is greater than the height of the limit table 43, the previous slideway 42a of the guide rail 41 is connected to the previous process, and the rear slideway 42b is located on the bracket 31 side. After the assembly of the previous station is completed, the rotor 50 to be assembled is placed on the slideway 12a of the previous stage, and the rotor shaft 51 rolls along the slope 421 of the slideway 42a of the previous stage to stop at the limit platform 43 by itself. When assembling the rotor 50 and loading materials, the lifting mechanism 44 will lift the rotor 50 to be assembled from the previous slideway 42a to the rear slideway 42b; if the next station does not need materials, the rotor 50 to be assembled will stop at the limit Stand 43 waits, this structure realizes the automatic feeding of the rotor 50 to be assembled through the self-rolling of the rotor shaft 51, the structure is simple, the operation is simple, the efficiency is high, and the production cost is saved. Moreover, the surface of the rotor 50 to be assembled is always in a suspended state, without contact with other objects, and will not damage the surface of the rotor, thereby ensuring the quality of the rotor.

Described bracket 31 is fixed on the slide plate 35, is provided with slide rail 36 below the slide plate 35, and this slide rail 36 is positioned at the connection line of bracket 31 and bearing crimping seat 33, and the first side of bracket 31 one side The bearing crimping seat 33a is connected to the linear drive mechanism 32, and the first bearing crimping seat 33a is fixed on the slide rail 36. The slide plate 35 and the first bearing crimping seat 33a all form a sliding fit with the slide rail 36. The linear drive mechanism 32 is an electric cylinder, the output end of the electric cylinder is connected to the first bearing crimping seat 33a, and a return cylinder 34 is arranged between the linear drive mechanism 32 and the bracket 31, and one end of the return cylinder 34 is fixed on the bracket On the frame 31, the other end is fixed on the side of the electric cylinder cylinder block. The electric cylinder is a modular product that integrates the servo motor and the lead screw, and converts the rotary motion of the servo motor into linear motion. As shown in Figure 2, the first bearing crimping seat 33a is connected to the output end of the electric cylinder, located at The second bearing crimping seat 33b on the other side of the bracket 31 is fixed on the workbench, and the slide rail 36 is also fixed on the workbench. The first bearing crimping seat 33a and the slide plate 35 can slide on the slide rail 36, and the electric cylinder Push the first bearing crimping seat 33a to move toward the side of the bracket 31, the bearing 60 to be assembled in the first bearing crimping seat 33a is set on the rotor shaft 51 of the rotor 50 to be assembled, and the electric cylinder continues to push the first bearing to be crimped The seat 33a continues to move. At this time, the bracket 31 is also pushed forward and gradually approaches the second bearing crimping seat 33b. The rotor shaft 51 on the other side of the rotor 50 to be assembled extends into the second bearing crimping seat 33b. The bearing 60 to be assembled in the second bearing crimping seat 33b is sleeved on the rotor shaft 51 of this side, and the electric cylinder continues to move, and the bearings 60 to be assembled, which are sleeved on both sides of the rotor 50 to be assembled, are pressed on the rotor shaft 51 to realize automatic Crimp bearings. After the action of crimping the bearing, the return cylinder 34 pulls the first bearing crimping seat 33a to return to its original position, ready for the next action.

The moving mechanism 11 includes a horizontal moving unit 111, a lifting unit 112 and a gantry support 13, the gantry support 13 spans both sides of the bracket 31, the horizontal moving unit 111 is fixed on the gantry support 13, and the lifting unit 112 is fixed on the horizontal moving unit 111, and the air gripper 12 is fixed on the lifting unit 112. As shown in Figure 4, for example, when the horizontal moving unit 111 drives the air gripper 12 to move above the rear stage slideway 42b, the lifting unit 112 moves downward to drive the air gripper 12 close to the rear stage slideway 42b, waiting for the air gripper 12 to grab After taking the rotor 50 to be assembled, the lifting unit 112 is lifted up, and then the horizontal unit 111 drives the air gripper 12 to move above the bracket 31, and then the lifting unit 112 moves the air jaw 12 downward to place the rotor 50 to be assembled on the bracket 31 , and then the lifting unit 112 shrinks upward. The horizontal moving unit 111 drives the air gripper 12 to move back and forth on different stations to realize the automatic loading of the rotor 50 to be assembled. The setting of the lifting unit 112 can prevent the air gripper 12 from interfering with other parts during the moving process.

The guide rail 41 of the automatic feeding mechanism 40 is located on one side of the bracket 31, and the other side of the bracket 31 is provided with a discharge mechanism 70, and the discharge mechanism 70 includes two sets of discharge guide rails 71 arranged in parallel The two sets of discharge guide rails 71 respectively support the rotor shafts on both sides of the assembled rotor 80. The discharge guide rails 71 are provided with discharge slopes arranged from top to bottom, and the high end of the discharge guide rails 71 is located near the bracket. One side of 31, its low end connects next process. The assembled rotor 80 automatically rolls to the next process along the discharge slope of the discharge guide rail 71 to prepare for the loading action of the next process, saves the process of manpower transmission and handling, and further improves work efficiency.

As shown in Figure 4, the distance between the low end of the last stage slideway 42b and the bracket 31 is equal to the distance between the high end of the discharge guide rail 71 and the bracket 31; the rotor feeding device 10 Two air grippers 12 are arranged on it, and the distance between the two air grippers 12 is equal to the distance between the lower end of the next stage slideway 42b and the bracket 31 . The above structure can realize that when the air gripper 12a is above the rear slideway 42b, the air gripper 12b is just above the bracket 31 or when the air gripper 12a is above the bracket 31, the air gripper 12b is just above the high end of the discharge guide rail 71. It can also be said that when the air claw 12a grabs the rotor 50 to be assembled above the rear stage 42b, the air claw 12b is just on the assembled rotor 80 on the bracket 31, and the air claw 12a places the rotor 50 to be assembled on the When the bracket 31 is on the air claw 12b, the assembled rotor 80 is just placed on the discharge guide rail 71 . One movement of the horizontal moving unit 111 can realize two actions, which simplifies the structure, saves the cost and improves the work efficiency.

The gantry support 13 is provided with two horizontally arranged guide rods 14, the horizontal moving unit 111 is a translation cylinder, the cylinder rod of the translation cylinder is fixedly connected with a connecting plate 15, and the lifting unit 112 is fixed On one side of the connecting plate 15, the other side of the connecting plate 15 extends out two spaced lugs 151, and the lugs 151 are provided with through holes for the guide rod 14 to pass through, as shown in the figure 4, the gantry bracket 13 spans the both sides of the bracket 31, the guide rod 14 is equivalent to the cross bar of the gantry bracket, the two legs of the gantry bracket 13 are respectively located on both sides of the bracket 31, and the horizontal moving unit 111 moves along the Move along guide bar 14, guarantee the smooth reliability of motion.

Claims (8)

1. An automatic bearing crimping machine, characterized in that: comprising a rotor feeding device (10), a bearing feeding device (20) and a bearing pressing device (30); The bearing press-in device (30) includes a linear drive mechanism (32) and a bracket (31) for supporting the rotor shaft (51) at both ends of the rotor (50) to be assembled, and the bracket (31) Bearing crimping seats (33) are respectively arranged on both sides of the two sides, and the three are located on the same straight line, and the linear drive mechanism (32) drives the bearing crimping seat (33) to move toward the bracket (31); The bearing feeding device (20) transfers the bearing (60) to be assembled to the bearing crimping seat (33), and the rotor feeding device (10) transfers the rotor (50) to be assembled to the bracket (31 )superior; The rotor feeding device (10) includes a moving mechanism (11) and an air claw (12) for clamping the rotor (50) to be assembled, and the air claw (12) is fixed on the moving mechanism (11) , the moving mechanism (11) drives the air gripper (12) to grab the rotor (50) to be assembled and place it on the bracket (31). 2. The automatic bearing crimping machine according to claim 1, characterized in that: the bearing feeding device (20) includes a support table (21) and a straight rod (23) for connecting the bearings (60) to be assembled in series ), the straight rods (23) are arranged vertically and above the support platform (21), a gap is provided between the bottom end of the straight rods (23) and the support platform (21), and the height of the gap is not less than The axial width of the bearing (60) to be assembled is provided with a guide groove (24) for storing the bearing (60) to be assembled on the support platform (21) on one side of the straight rod (23), and the guide groove (24) ) is inclined downwards, the height of the bottom of the groove is lower than the height of the support platform (21), the lower end of the guide groove (24) is connected to the bearing crimping seat (33), and is located on the other side of the straight rod (23). The supporting platform (21) on the side is provided with a pushing mechanism (25) for pushing the bearing (60) to be assembled to move toward one side of the guide groove (24). 3. The automatic bearing crimping machine according to claim 1, characterized in that: an automatic feeding mechanism (40) for the rotor (50) to be assembled is provided on the side of the bearing pressing device (30), and the The automatic feeding mechanism (40) includes two groups of guide rails (41) arranged in parallel on both sides of the rotor (50) to be assembled respectively, and the guide rails (41) include two-stage slideways (42), each stage The slideways (42) are all provided with slopes (421) for supporting the rotor shaft, and the slopes (421) are arranged inclined downwards, wherein the low end of the slopes (421) of the previous slideway (42a) is connected to the slideway of the next stage. The slope (421) of the road (42b) is at the high end, and the limit platform (43) is formed between the adjacent two-stage slideways (42). 50) of the lifting mechanism (44), the lift distance of the lifting mechanism (44) is greater than the height of the limit table (43), and the previous stage slideway (42a) of the guide rail (41) is connected to the previous process, The latter stage slideway (42b) is positioned at the side of carriage (31). 4. The automatic bearing crimping machine according to claim 1, characterized in that: the bracket (31) is fixed on the slide plate (35), and a slide rail (36) is provided under the slide plate (35), the The slide rail (36) is located on the connecting line between the bracket (31) and the bearing crimping seat (33), and the first bearing crimping seat (33a) on one side of the bracket (31) is connected to the linear drive mechanism (32), The first bearing crimping seat (33a) is fixed on the slide rail (36), and the slide plate (35) and the first bearing crimping seat (33a) all form a sliding fit with the slide rail (36). The linear drive mechanism (32) is an electric cylinder, the output end of the electric cylinder is connected to the first bearing crimping seat (33a), and a return cylinder (34) is arranged between the linear drive mechanism (32) and the bracket (31). One end of the return cylinder (34) is fixed on the bracket (31), and the other end is fixed on the side of the electric cylinder body. 5. The automatic bearing crimping machine according to claim 1, characterized in that: the moving mechanism (11) includes a horizontal moving unit (111), a lifting unit (112) and a gantry support (13), and the The gantry support (13) spans both sides of the bracket (31), the horizontal moving unit (111) is fixed on the gantry support (13), the lifting unit (112) is fixed on the horizontal moving unit (111), and the air gripper (12 ) is fixed on the lifting unit (112). 6. The automatic bearing crimping machine according to claim 3, characterized in that: the guide rail (41) of the automatic feeding mechanism (40) is located on one side of the bracket (31), and the side of the bracket (31) The other side is provided with a discharge mechanism (70). The discharge mechanism (70) includes two sets of discharge guide rails (71) arranged in parallel. The two sets of discharge guide rails (71) respectively support the assembled rotor (80 ) on both sides of the rotor shaft, the discharge guide rail (71) is provided with a discharge slope arranged from top to bottom, and the high end of the discharge guide rail (71) is located on the side close to the bracket (31), and its lower The end is connected to the next process. 7. The automatic bearing crimping machine according to claim 6, characterized in that: the distance between the lower end of the latter slideway (42b) and the bracket (31) and the distance between the discharge guide rail (71) The distance between the high end and the bracket (31) is equal; the rotor feeding device (10) is provided with two air claws (12), and the distance between the two air claws (12) is the same as that of the last stage of sliding The distance between the lower end of the road (42b) and the bracket (31) is equal. 8. The automatic bearing crimping machine according to claim 5, characterized in that: the gantry bracket (13) is provided with two horizontally arranged guide rods (14), and the horizontal moving unit (111) It is a translation cylinder, the cylinder rod of the translation cylinder is fixedly connected with a connection plate (15), the lifting unit (112) is fixed on one side of the connection plate (15), and the other side of the connection plate (15) Two lugs (151) arranged at intervals extend outward from the side plate, and the lugs (151) are provided with through holes for the guide rods (14) to pass through.