A motor front end cover assembly machine

Abstract

The present invention relates to a motor front end cover assembly machine. The present invention includes a first rotating work station disc, a second rotating work station disc, a motor front end cover loading mechanism, a deep groove ball bearing installation mechanism, a hole-type snap ring installation mechanism, and a motor front end cover installation mechanism; after the motor front end cover loading mechanism loads the motor front end cover onto the front end cover rotor tooling on the first rotating work station disc, it is rotated and moved by the first rotating work station disc to the position of the deep groove ball bearing installation mechanism for the installation of the deep groove ball bearing, and then rotated and moved by the first rotating work station disc to the position of the hole-type snap ring installation mechanism for the installation of the hole-type snap ring. After the installation is completed, the motor front end cover assembly is moved to the position of the motor front end cover installation mechanism. After installing the shaft snap ring on the motor rotor shaft tooling, it is transferred to the first rotating work station disc, and the motor front end cover assembly is installed on the motor rotor. The present invention reduces the labor intensity of workers, reduces the misinstallation and omission rate, and improves the assembly efficiency at the same time.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical automation, and in particular to a motor front end cover assembly machine. Background Art

[0002] The motor front end cover is an important component for fixing or supporting the stator and rotor of the motor. During assembly, components such as the motor front end cover, shaft snap ring, and deep groove bearing need to be assembled together. The motor front end cover is assembled on the outer ring of the front bearing of the motor rotor assembly, so that the front end cover rotates with the front bearing. The existing manual assembly method is difficult to effectively install the shaft snap ring on the front end cover, and there are problems such as high labor intensity of the operator, large safety hazards, and long production time. Summary of the Invention

[0003] To solve the above technical problems, the present invention provides a motor front end cover assembly machine, including: a first rotating station plate and a second rotating station plate. A motor front end cover feeding mechanism, a deep groove ball bearing installation mechanism, a hole snap ring installation mechanism, and a motor front end cover installation mechanism are provided on the circumferential side of the first rotating station plate;

[0004] A shaft snap ring installation mechanism is provided on one side of the second rotating station plate, and a motor rotor transfer mechanism is provided between the first rotating station plate and the second rotating station plate;

[0005] After the motor front end cover feeding mechanism feeds the motor front end cover onto the front end cover rotor fixture on the first rotating station plate, it rotates and moves through the first rotating station plate to the position of the deep groove ball bearing installation mechanism for the installation of the deep groove ball bearing, and then rotates and moves through the first rotating station plate to the position of the hole snap ring installation mechanism for the installation of the hole snap ring. After the installation is completed, the motor front end cover assembly rotates and moves through the first rotating station plate to the position of the motor front end cover installation mechanism;

[0006] The shaft snap ring installation mechanism installs the shaft snap ring on the motor rotor shaft fixture on the second rotating station plate, transfers it to the first rotating station plate through the motor rotor transfer mechanism, and installs the motor front end cover assembly on the motor rotor through the motor front end cover installation mechanism.

[0007] In an embodiment of the present invention, the motor front end cover feeding mechanism includes a motor front end cover vibrating plate, a first pneumatic slide provided on one side of the motor front end cover vibrating plate, a first lifting cylinder driven by the first pneumatic slide to move horizontally, a first clamping cylinder driven by the first lifting cylinder to lift, and fingers driven by the first clamping cylinder to open and close.

[0008] In an embodiment of the present invention, the deep groove ball bearing mounting mechanism includes a deep groove ball bearing vibrating bowl, a second pneumatic slide table provided on one side of the deep groove ball bearing vibrating bowl, a second lifting cylinder driven by the second pneumatic slide table to move horizontally, a second clamping cylinder driven by the second lifting cylinder to lift, and a chuck driven by the second clamping cylinder to open and close.

[0009] In an embodiment of the present invention, the internal circlip mounting mechanism includes an internal circlip vibrating bowl and a third pneumatic slide table provided on one side of the internal circlip vibrating bowl, a third lifting cylinder driven by the third pneumatic slide table to move horizontally, and a first clamping assembly driven by the third lifting cylinder to lift. The first clamping assembly includes a push cylinder and a third clamping cylinder. A push rod sleeve is connected to the driving end of the push cylinder. The third clamping cylinder includes two clamping blocks for clamping the internal circlip. A cavity matching the push rod sleeve is formed between the two clamping blocks.

[0010] In an embodiment of the present invention, the motor rotor transfer mechanism includes a fourth pneumatic slide table, a fourth lifting cylinder driven by the fourth pneumatic slide table to move horizontally, and a fourth clamping cylinder driven by the fourth lifting cylinder to lift.

[0011] In an embodiment of the present invention, the external circlip mounting mechanism includes a fixed bracket, a sliding bracket, a sliding cylinder for driving the sliding bracket to move horizontally, a fifth lifting cylinder provided on the sliding bracket, a circlip seat, a circlip support plate, an ejecting cylinder, and a sixth lifting cylinder. The fifth lifting cylinder drives the lifting of the circlip seat. The circlip seat is provided with a material hole penetrating through its upper and lower ends. A circlip top plate is connected to the driving end of the ejecting cylinder. The circlip support plate is connected to the lower end of the circlip seat. The circlip top plate is located below the material hole and moves along the surface of the circlip support plate. The fixed bracket is connected with a mounting bracket. The sixth lifting cylinder is mounted on the mounting bracket. The sixth lifting cylinder drives and is connected with a lifting seat. The lifting seat is provided with a second clamping assembly for spreading the two ends of the external circlip.

[0012] In an embodiment of the present invention, the clamping assembly includes a fifth clamping cylinder provided on the lifting seat, a limit bottom plate, sliders, limit springs, baffles, and circlip fingers. The number of sliders, baffles, limit springs, and circlip fingers is two. The two sliders are slidably connected to the surface of the limit bottom plate. The driving end of the fifth clamping cylinder is connected with a push rod and the push rod is located above the two sliders. The two baffles are provided at the transverse two ends of the limit bottom plate. The limit springs are provided between the sliders and the baffles. The circlip fingers are connected to the lower ends of the sliders. The bottom ends of the circlip fingers are provided with insertion posts for inserting into the upper holes of the external circlip.

[0013] In an embodiment of the present invention, the ejector rod is wedge-shaped. When the two sliders come into contact, a wedge-shaped groove that mates with the wedge shape is formed at the top ends of the two sliders.

[0014] In an embodiment of the present invention, the circlip support plate is provided with a sliding groove that cooperates with the circlip top plate for sliding, and a limiting protrusion for limiting the movement of the shaft circlip is provided at one end of the sliding groove.

[0015] In an embodiment of the present invention, the motor front end cover installation mechanism includes a lead screw module, a rotary cylinder, and a sixth fixture cylinder. The rotary cylinder is lifted and lowered by the drive of the lead screw module, the sixth fixture cylinder rotates through the rotary cylinder, and the sixth fixture cylinder includes jaws for grasping the motor front end cover assembly.

[0016] The above technical solution of the present invention has the following advantages compared with the prior art:

[0017] For the motor front end cover assembly machine of the present invention, by installing the deep groove ball bearing and the hole circlip of the motor front end cover on the first rotating station plate, installing the shaft circlip of the motor rotor shaft on the second rotating station and transferring it to the first rotating station plate through the motor rotor transfer mechanism, and installing the motor front end cover assembly onto the motor rotor through the motor front end cover installation mechanism, the operator only needs to replenish parts and move parts regularly, which reduces the labor intensity of the worker, reduces the misassembly and missing assembly rate, and improves the assembly efficiency at the same time. Brief Description of the Drawings

[0018] In order to make the content of the present invention easier to be clearly understood, the following further details the present invention according to the specific embodiments of the present invention in combination with the drawings, where

[0019] Figure 1 is the overall structural schematic diagram of the motor front end cover assembly machine of the present invention.

[0020] Figure 2 is the structural schematic diagram of the motor front end cover loading mechanism of the present invention.

[0021] Figure 3 is the structural schematic diagram of the motor deep groove ball bearing installation mechanism of the present invention.

[0022] Figure 4 is the structural schematic diagram of the hole circlip installation mechanism of the present invention.

[0023] Figure 5 is the overall structural schematic diagram of the motor rotor transfer mechanism and the motor front end cover installation mechanism of the present invention.

[0024] Figure 6 is the overall structural schematic diagram of the hole and shaft circlip installation mechanism of the present invention.

[0025] Figure 7 It is a partial structural schematic diagram of the shaft snap ring installation mechanism of the present invention.

[0026] Figure 8 is Figure 7 a partially enlarged schematic diagram of

[0027] Figure 9 It is a structural schematic diagram of the second fixture assembly of the present utility model.

[0028] Explanation of the reference numerals in the specification drawings: 1. First rotating station disk; 11. Front end cover rotor tooling; 2. Second rotating station disk; 21. Motor rotor shaft tooling; 3. Motor front end cover feeding mechanism; 31. Motor front end cover vibrating disk; 32. First pneumatic slide; 33. First lifting cylinder; 34. First fixture cylinder; 35. Fingers; 4. Deep groove ball bearing installation mechanism; 41. Deep groove ball bearing vibrating disk; 42. Second pneumatic slide; 43. Second lifting cylinder; 44. Second fixture cylinder; 45. Chuck; 5. Hole snap ring installation mechanism; 51. Hole snap ring vibrating disk; 52. Third pneumatic slide; 53. Third lifting cylinder; 54. First fixture assembly; 541. Thrust cylinder; 542. Third fixture cylinder; 543. Thrust rod sleeve; 544. Clamping block; 6. Motor front end cover installation mechanism; 61. Fourth pneumatic slide; 62. Fourth lifting cylinder; 63. Fourth fixture cylinder; 64. Hole circlip; 7. Shaft snap ring installation mechanism; 71. Fixed bracket; 72. Sliding bracket; 73. Sliding cylinder; 74. Fifth lifting cylinder; 75. Snap ring seat; 751. Material hole; 752. Snap ring support plate; 753. Chute; 754. Limit projection; 76. Ejecting cylinder; 761. Snap ring top plate; 762. Shaft circlip; 77. Sixth lifting cylinder; 78. Installation bracket; 781. Lifting seat; 79. Second fixture assembly; 791. Fifth fixture cylinder; 792. Limit bottom plate; 793. Slide block; 794. Limit spring; 795. Baffle; 796. Snap ring fingers; 797. Thrust rod; 798. Wedge groove; 8. Motor rotor transfer mechanism; 81. Lead screw module; 82. Rotary cylinder; 83. Sixth fixture cylinder; 84. Claw. Specific embodiments

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and be able to implement it, but the specific embodiments cited shall not be construed as limiting the present invention.

[0030] Refer to Figures 1 to 9As shown in the figure, an assembling machine for the front end cover of a motor according to the present invention includes: a first rotating working station disk 1 and a second rotating working station disk 2. A front end cover feeding mechanism 3 for the motor, a deep groove ball bearing installing mechanism 4, a hole-type snap ring installing mechanism 5, and a front end cover installing mechanism 6 for the motor are provided on the circumferential side of the first rotating working station disk 1;

[0031] A shaft-type snap ring installing mechanism 7 is provided on one side of the second rotating working station disk 2, and a motor rotor transferring mechanism 8 is provided between the first rotating working station disk 1 and the second rotating working station disk 2;

[0032] After the front end cover feeding mechanism 3 for the motor feeds the front end cover of the motor onto the front end cover rotor tooling 11 on the first rotating working station disk 1, it rotates and moves through the first rotating working station disk 1 to the position of the deep groove ball bearing installing mechanism 4 for installing the deep groove ball bearing, and then rotates and moves through the first rotating working station disk 1 to the position of the hole-type snap ring installing mechanism 5 for installing the hole-type snap ring 64. After the installation is completed, the front end cover assembly of the motor rotates and moves through the first rotating working station disk 1 to the position of the front end cover installing mechanism 6 for the motor;

[0033] The shaft-type snap ring installing mechanism 7 installs the shaft-type snap ring 762 onto the motor rotor shaft tooling 21 on the second rotating working station disk 2, transfers it to the first rotating working station disk 1 through the motor rotor transferring mechanism 8, and installs the front end cover assembly of the motor onto the motor rotor through the front end cover installing mechanism 6 for the motor.

[0034] By installing the deep groove ball bearing and the hole-type snap ring 64 of the front end cover of the motor on the first rotating working station disk 1, installing the shaft-type snap ring 762 of the motor rotor shaft on the second rotating working station, transferring it to the first rotating working station disk 1 through the motor rotor transferring mechanism 8, and installing the front end cover assembly of the motor onto the motor rotor through the front end cover installing mechanism 6 for the motor, the operator only needs to replenish parts and move parts regularly, which reduces the labor intensity of the workers, reduces the misassembly and missing assembly rate, and improves the assembly efficiency at the same time.

[0035] Specifically, the front end cover feeding mechanism 3 for the motor includes a front end cover vibrating disk 31, a first pneumatic slide 32 provided on one side of the front end cover vibrating disk 31, a first lifting cylinder 33 driven by the first pneumatic slide 32 to move horizontally, a first clamping cylinder 34 driven by the first lifting cylinder 33 to lift, and a clamping finger 35 driven by the first clamping cylinder 34 to open and close.

[0036] Specifically, the deep groove ball bearing installing mechanism 4 includes a deep groove ball bearing vibrating disk 41, a second pneumatic slide 42 provided on one side of the deep groove ball bearing vibrating disk 41, a second lifting cylinder 43 driven by the second pneumatic slide 42 to move horizontally, a second clamping cylinder 44 driven by the second lifting cylinder 43 to lift, and a clamping plate 45 driven by the second clamping cylinder 44 to open and close.

[0037] In this embodiment, the first rotating station disk 1 and the second rotating station disk 2 are both driven by a slewing motor, a slewing bearing, etc., and can rotate 360 degrees.

[0038] Specifically, the snap ring installation mechanism 5 includes a snap ring vibrating disk 51, a third pneumatic slide 52 provided on one side of the snap ring vibrating disk 51, a third lifting cylinder 53 driven by the third pneumatic slide 52 to move horizontally, and a first fixture assembly 54 driven by the third lifting cylinder 53 to lift and lower. The first fixture assembly 54 includes a push cylinder 541 and a third fixture cylinder 542. A push rod sleeve 543 is connected to the driving end of the push cylinder 541. The third fixture cylinder 542 includes two clamping blocks 544 for clamping the snap ring 64. A cavity matching the push rod sleeve 543 is formed between the two clamping blocks 544. Through the above arrangement, the snap ring 64 is clamped and compressed by the bottom ends of the two clamping blocks 544, and then the push cylinder 541 drives the push rod sleeve 543 to push the compressed snap ring 64 into the front end cover of the motor.

[0039] In this embodiment, the motor front end cover vibrating disk 31, the deep groove ball bearing vibrating disk 41, and the snap ring vibrating disk 51 are all components in the prior art that achieve the function of automatic conveying through a frequency converter, a motor, a hopper, etc.

[0040] Specifically, the motor rotor transfer mechanism 8 includes a fourth pneumatic slide 61, a fourth lifting cylinder 62 driven by the fourth pneumatic slide 61 to move horizontally, and a fourth fixture cylinder 63 driven by the fourth lifting cylinder 62 to lift and lower.

[0041] Specifically, the shaft snap ring installation mechanism 7 includes a fixed bracket 71, a sliding bracket 72, a sliding cylinder 73 for driving the horizontal movement of the sliding bracket 72, a fifth lifting cylinder 74 provided on the sliding bracket 72, a snap ring seat 75, a snap ring support plate 752, an ejecting cylinder 76, and a sixth lifting cylinder 77; the fifth lifting cylinder 74 drives the lifting of the snap ring seat 75, the snap ring seat 75 is provided with a material hole 751 penetrating through its upper and lower ends, the driving end of the ejecting cylinder 76 is connected with a snap ring top plate 761, the snap ring support plate 752 is connected to the lower end of the snap ring seat 75, and the snap ring top plate 761 is located below the material hole 751 and moves along the surface of the snap ring support plate 752; in this embodiment, the snap ring support plate 752 is provided with a sliding groove 753 that cooperates with the snap ring top plate 761 for sliding, and one end of the sliding groove 753 is provided with a limiting protrusion 754 for limiting the movement of the shaft snap ring 762, which can play a limiting role during the process of being pushed by the snap ring top plate 761; the fixed bracket 71 is connected with an installation bracket 78, the sixth lifting cylinder 77 is installed on the installation bracket 78, the sixth lifting cylinder 77 is drivingly connected with a lifting seat 781, and the lifting seat 781 is installed with a second fixture assembly 79 for spreading the two ends of the shaft snap ring 762.

[0042] Specifically, the fixture assembly 79 includes a fifth fixture cylinder 791, a limiting bottom plate 792, sliders 793, limiting springs 794, baffles 795, and snap ring fingers 796 provided on the lifting seat 781; the number of the sliders 793, the baffles 795, the limiting springs 794, and the snap ring fingers 796 is two each. The two sliders 793 are slidably connected to the surface of the limiting bottom plate 792. The driving end of the fifth fixture cylinder 791 is connected with a push rod 797 and the push rod 797 is located above the two sliders 793. The two baffles 795 are provided at the transverse two ends of the limiting bottom plate 792. The limiting springs 794 are provided between the sliders 793 and the baffles 795. The snap ring fingers 796 are connected to the lower ends of the sliders 793. The bottom end of the snap ring finger 79635 is provided with a plug post for inserting into the upper hole of the shaft snap ring 762.

[0043] Specifically, the push rod 797 is wedge-shaped. When the two sliders 793 are in contact, a wedge-shaped groove 798 that mates with the wedge shape is formed at the tops of the two sliders 793. By pushing the wedge-shaped push rod 797 into the wedge-shaped groove 798, the two sliders 793 move relatively and spread the two ends of the shaft snap ring 762.

[0044] Specifically, the motor front end cover installation mechanism 6 includes a lead screw module 81, a rotary cylinder 82, and a sixth fixture cylinder 83. The rotary cylinder 82 is lifted and lowered by the drive of the lead screw module 81. The sixth fixture cylinder 83 rotates through the rotary cylinder 82. The sixth fixture cylinder 83 includes a jaw 84 for grasping the motor front end cover assembly.

[0045] Workflow of the present invention:

[0046] S1: The first fixture cylinder 34 on one side of the motor front cover vibrating disk 31 is driven by the first pneumatic slide 32. After the motor front cover vibrating disk 31 sends the sorted motor front covers to the position of the first fixture cylinder 34, the fingers 35 of the first fixture cylinder 34 grab them onto the front cover rotor tooling 11 of the first rotating station disk 1;

[0047] S2: The front cover rotor tooling 11 is rotated and moved by the first rotating station disk 1 to the position of the deep groove ball bearing installation mechanism 4. The second fixture cylinder 44 on one side of the deep groove ball bearing vibrating disk 41 is driven by the second pneumatic slide 42. After the deep groove ball bearing vibrating disk 41 sends the sorted deep groove ball bearings to the position of the second fixture cylinder 44, the chuck 45 of the second fixture cylinder 44 grabs them for the installation of the deep groove ball bearings;

[0048] S3: The first fixture assembly 7954 at the snap ring for hole vibrating disk 51 moves back and forth by the third pneumatic slide 52, grabs the snap ring for hole 64 by the clamping block 544 and compresses it, and then the compressed snap ring for hole 64 is pushed into the motor front cover by the ejector rod sleeve 543;

[0049] S4: The fifth lifting cylinder 74 controls the up and down movement of the snap ring seat 75. After the shaft snap ring 762 falls along the material hole 751 above the snap ring seat 75, the sliding cylinder 73 controls the movement of the sliding bracket 72, the fifth lifting cylinder 74 controls the fall of the snap ring seat 75, and at the same time the ejector cylinder 76 pushes out the snap ring top plate 761 to push out the snap ring. Then control the snap ring seat 75 to rise, the insert post is inserted into the front hole of the shaft snap ring 762, control the fifth fixture cylinder 791 to push the ejector rod to open the two sliders 793 and expand the shaft snap ring, and drive the lifting seat 781 to fall by the sixth lifting cylinder 77 to place the snap ring at the installation position;

[0050] S5: The sixth fixture cylinder 83 descends through the lead screw module 81 to grab the front cover assembly and then rises, controls the rotating motor to rotate 180°, the motor rotor transfer mechanism 8 transfers the motor rotor shaft tooling 21 from the second rotating station disk 2 to the first rotating station disk 1, and then the sixth fixture cylinder 83 descends to install the electrode front cover assembly onto the motor rotor. After the assembly is completed, the operator takes out the assembly manually.

[0051] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the examples, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A motor front end cover assembly machine, characterized in that, it includes: A first rotating station disk (1) and a second rotating station disk (2). The circumferential side of the first rotating station disk (1) is provided with a motor front end cover loading mechanism (3), a deep groove ball bearing installation mechanism (4), a hole retaining ring installation mechanism (5), and a motor front end cover installation mechanism (6); One side of the second rotating station disk (2) is provided with a shaft retaining ring installation mechanism (7). A motor rotor transfer mechanism (8) is provided between the first rotating station disk (1) and the second rotating station disk (2); After the motor front end cover loading mechanism (3) loads the motor front end cover onto the front end cover rotor tooling (11) on the first rotating station disk (1), it rotates and moves to the position of the deep groove ball bearing installation mechanism (4) through the first rotating station disk (1) to install the deep groove ball bearing, and then rotates and moves to the position of the hole retaining ring installation mechanism (5) through the first rotating station disk (1) to install the hole retaining ring (64). After the installation is completed, the motor front end cover assembly rotates and moves to the position of the motor front end cover installation mechanism (6) through the first rotating station disk (1); After the shaft retaining ring installation mechanism (7) installs the shaft retaining ring (762) onto the motor rotor shaft tooling (21) on the second rotating station disk (2), it is transferred to the first rotating station disk (1) through the motor rotor transfer mechanism (8), and the motor front end cover assembly is installed onto the motor rotor through the motor front end cover installation mechanism (6).

2. The motor front end cover assembly machine according to claim 1, characterized in that, The motor front end cover loading mechanism (3) includes a motor front end cover vibrating disk (31), a first pneumatic slide (32) provided on one side of the motor front end cover vibrating disk (31), a first lifting cylinder (33) driven to move horizontally by the first pneumatic slide (32), a first clamping cylinder (34) driven to lift by the first lifting cylinder (33), and a finger (35) driven to open and close by the first clamping cylinder (34).

3. The motor front end cover assembly machine according to claim 1, characterized in that, The deep groove ball bearing installation mechanism (4) includes a deep groove ball bearing vibrating disk (41), a second pneumatic slide (42) provided on one side of the deep groove ball bearing vibrating disk (41), a second lifting cylinder (43) driven to move horizontally by the second pneumatic slide (42), a second clamping cylinder (44) driven to lift by the second lifting cylinder (43), and a chuck (45) driven to open and close by the second clamping cylinder (44).

4. The motor front end cover assembly machine according to claim 1, characterized in that, The snap ring installation mechanism for holes (5) includes a vibrating bowl for snap rings for holes (51), a third pneumatic slide (52) provided on one side of the vibrating bowl for snap rings for holes (51), a third lifting cylinder (53) driven by the third pneumatic slide (52) to move horizontally, and a first fixture assembly (54) driven by the third lifting cylinder (53) to lift and lower. The first fixture assembly (54) includes a pushing cylinder (541) and a third fixture cylinder (542). The driving end of the pushing cylinder (541) is connected with a push rod sleeve (543). The third fixture cylinder (542) includes two clamping blocks (544) for clamping the snap ring for holes (64). A cavity matching the push rod sleeve (543) is formed between the two clamping blocks (544).

5. The motor front end cover assembly machine according to claim 1, characterized in that, the motor rotor transfer mechanism (8) includes a fourth pneumatic slide (61), a fourth lifting cylinder (62) driven by the fourth pneumatic slide (61) to move horizontally, and a fourth fixture cylinder (63) driven by the fourth lifting cylinder (62) to lift and lower.

6. The motor front end cover assembly machine according to claim 1, characterized in that, the snap ring installation mechanism for shafts (7) includes a fixed bracket (71), a sliding bracket (72), a sliding cylinder (73) for driving the sliding bracket (72) to move horizontally, a fifth lifting cylinder (74) provided on the sliding bracket (72), a snap ring seat (75), a snap ring support plate (752), an ejecting cylinder (76) and a sixth lifting cylinder (77); the fifth lifting cylinder (74) drives the lifting and lowering of the snap ring seat (75). The snap ring seat (75) is provided with a material hole (751) penetrating through its upper and lower ends. The driving end of the ejecting cylinder (76) is connected with a snap ring top plate (761). The snap ring support plate (752) is connected to the lower end of the snap ring seat (75). The snap ring top plate (761) is located below the material hole (751) and moves along the surface of the snap ring support plate (752); the fixed bracket (71) is connected with a mounting bracket (78). The sixth lifting cylinder (77) is installed on the mounting bracket (78). The sixth lifting cylinder (77) is drivingly connected with a lifting seat (781). The lifting seat (781) is provided with a second fixture assembly (79) for spreading the two ends of the snap ring for shafts (762).

7. The motor front end cover assembly machine according to claim 6, characterized in that, The second fixture assembly (79) includes a fifth fixture cylinder (791), a limit bottom plate (792), a slider (793), a limit spring (794), a baffle (795), and a circlip finger (796) provided on a lifting seat (781); the number of the sliders (793), the baffles (795), the limit springs (794), and the circlip fingers (796) is two. The two sliders (793) are slidably connected to the surface of the limit bottom plate (792). The driving end of the fifth fixture cylinder (791) is connected to a push rod (797), and the push rod (797) is located above the two sliders (793). The two baffles (795) are provided at the transverse two ends of the limit bottom plate (792). The limit spring (794) is provided between the slider (793) and the baffle (795). The circlip finger (796) is connected to the lower end of the slider (793). The bottom end of the circlip finger (796) is provided with a plug post for inserting into the upper hole of the shaft circlip (762).

8. The motor front end cover assembly machine according to claim 7, characterized in that, the push rod (797) is wedge-shaped. When the two sliders (793) are in contact, a wedge-shaped groove (798) that mates with the wedge shape is formed at the top ends of the two sliders (793).

9. The motor front end cover assembly machine according to any one of claims 6-8, characterized in that, the circlip support plate (752) is provided with a sliding groove (753) that cooperates with the circlip top plate (761) for sliding. One end of the sliding groove (753) is provided with a limit protrusion (754) for limiting the movement of the shaft circlip (762).

10. The motor front end cover assembly machine according to claim 1, characterized in that, the motor front end cover mounting mechanism (6) includes a lead screw module (81), a rotary cylinder (82), and a sixth fixture cylinder (83). The rotary cylinder (82) is lifted and lowered by the drive of the lead screw module (81). The sixth fixture cylinder (83) rotates through the rotary cylinder (82). The sixth fixture cylinder (83) includes a jaw (84) for gripping the motor front end cover assembly.

Images