Automatic end cover assembling equipment

Abstract

The invention discloses automatic end cover assembling equipment, and belongs to the technical field of motor assembling. An end cover mounting mechanism, a riveting rod mounting mechanism and a riveting upper die assembly are sequentially arranged on the supporting table from front to back; the end cover mounting mechanism comprises an end cover standardized feeding assembly, a transfer table and a duplex end cover displacement assembly which are arranged on the supporting table, in this way, the two end cover storage assemblies are matched to achieve uninterrupted feeding of end covers, and the two end cover moving three-jaw air cylinders transfer the end covers in place on the rotary table to the transfer table; the end covers on the transfer table are synchronously transferred to the riveting lower die assembly at the moving end of the X-axis servo moving mechanism, the end covers are temporarily stored through the transfer table so that it can be guaranteed that the end covers are smoothly driven, only one end cover is taken, and accurate feeding operation of the end covers is achieved. And automatic riveting operation of the end cover and the shell is achieved under the cooperation of the riveting rod standardized feeding assembly, the riveting rod feeding assembly, the riveting pressing lower die assembly and the riveting pressing upper die assembly.

Description

Technical Field

[0001] The invention relates to the technical field of motor assembly, and in particular to an automatic assembly device for an end cover. Background Art

[0002] The motor is an important power input device. Its production process includes multiple steps. When assembling the motor, the rotor needs to be accurately installed into the stator and the end cover needs to be passed through the shaft and riveted to the housing.

[0003] When assembling the end cover and the housing, it is necessary to first install the end cover on top of the housing, then install the rivet rod into each riveting hole, and finally rivet the rivet rod to achieve the riveted assembly of the end cover and the housing. Not only are there many working steps, but also the positioning accuracy between different parts is high. Manual installation of the end cover and placement of the rivet rod is difficult to meet the needs of batch and continuous motor end cover assembly.

[0004] Based on this, the present invention designs an end cover automatic assembly device to solve the above problems. Summary of the invention

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides an automatic assembly device for end covers.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: An end cap automatic assembly device comprises a support table (47); An X-axis servo moving mechanism (41) is disposed on the support platform (47), and a riveting lower die assembly (45) for supporting and positioning the motor (6) is installed on the moving end of the X-axis servo moving mechanism (41); A motor material moving mechanism (42) is provided between the support platform (47) and the double-speed chain conveyor line (1), and the motor material moving mechanism (42) is used to control the motor (6) to flow between the tooling plate (2) and the riveting lower die assembly (45); An end cover mounting mechanism (43), a rivet rod mounting mechanism (44) and a riveting upper die assembly (46) are sequentially arranged on the support platform (47) from front to back; The end cap installation mechanism (43) comprises an end cap standardized feeding assembly (431), a transfer table (432) and a duplex displacement end cap assembly (434) arranged on a support table (47); the end cap standardized feeding assembly (431) is located on one side of the X-axis servo moving mechanism (41); a transfer table (432) is arranged between the end cap standardized feeding assembly (431) and the X-axis servo moving mechanism (41); the transfer table (432) is fixedly connected to the support table (47); the duplex displacement end cap assembly (434) is located on the transfer table On the front side of the platform (432), a duplex displacement end cover assembly (434) is used to synchronously move the end cover (64) on the end cover standardization feeding assembly (431) onto the transfer platform (432), and move the end cover (64) on the transfer platform (432) onto the housing (61) of the X-axis servo moving mechanism (41); a plurality of positioning pins (433) corresponding to and cooperating with the riveting holes of the end cover (64) are fixedly mounted on the transfer platform (432); a weight sensor or a photoelectric sensor is also provided on the transfer platform (432).

[0007] Furthermore, the end cap standardized feeding assembly (431) comprises a rotating table (4311), end cap storage assemblies symmetrically arranged at both ends of the rotating table (4311), and an end cap lifting assembly located at the lower side of the rotating table (4311); the rotating table (4311) is rotatably mounted on the support table (47); the rotating table (4311) can be driven by a rotating cylinder or a motor to control the rotating table (4311) to rotate 180 degrees each time; The end cover storage assembly comprises an annular base (4312) and a positioning slide bar (4313); the annular base (4312) is fixedly connected to the rotating platform (4311); a plurality of positioning slide bars (4313) corresponding to and cooperating with the riveting holes of the end cover (64) are fixedly mounted on the annular base (4312); The end cover lifting assembly is located on a side of the rotating platform (4311) close to the X-axis servo moving mechanism (41), and the end cover lifting assembly comprises a servo push cylinder (4314) and a push block (4315). The servo push cylinder (4314) is fixedly mounted on the lower end of the support platform (47), and the output end of the servo push cylinder (4314) passes through the support platform (47) and is fixedly connected to the push block (4315).

[0008] Furthermore, the duplex displacement end cover assembly (434) comprises a third linear module (4341), a third Z-axis cylinder (4342), a mounting plate (4343) and a displacement end cover three-claw cylinder (4344); the third linear module (4341) is fixedly connected to the support platform (47) via a connecting piece; the third Z-axis cylinder (4342) is fixedly mounted on the movable end of the third linear module (4341); the mounting plate (4343) is fixedly mounted on the output end of the third Z-axis cylinder (4342); the displacement end cover three-claw cylinder (4344) is symmetrically fixedly mounted at both ends of the mounting plate (4343); the displacement end cover three-claw cylinder (4344) is used to clamp the protruding portion on the top of the end cover (64).

[0009] Furthermore, the rivet rod installation mechanism (44) is provided with two groups, and is symmetrically distributed on the left and right sides of the X-axis servo moving mechanism (41), and is used to perform rivet rod installation operations on the left and right sides of the motor (6) respectively; The rivet rod installation mechanism (44) comprises a rivet rod standardized feeding assembly (441) and a rivet rod loading assembly (442) arranged on a support platform (47); the rivet rod standardized feeding assembly (441) is used to provide two rivet rods matching the rivet holes on one side of the end cover (64) at one time; and the rivet rod loading assembly (442) is used to install the two rivet rods supplied by the rivet rod standardized feeding assembly (441) into the rivet holes of the motor (6) at one time.

[0010] Furthermore, the rivet rod standardized feeding assembly (441) comprises a straight vibration feeder (4411), a support frame (4412), a sliding material receiving block (4413), a double-stroke cylinder (4415), a connecting rod (4416) and a top rivet rod assembly, the support frame (4412) is fixedly connected to the support table (47), the straight vibration feeder (4411) is arranged on a side of the support frame (4412) away from the X-axis servo moving mechanism (41), and the side wall of the support frame (4412) begins to have an opening connected to the discharge end of the straight vibration feeder (4411); The sliding material receiving block (4413) slides in contact with the inner wall of the support frame (4412) close to the straight vibration feeder (4411), and material receiving grooves (4414) adapted to the rivet rods are symmetrically provided on both sides of the sliding material receiving block (4413); the double-stroke cylinder (4415) is fixedly connected to the side wall of the support frame (4412), and the output end of the double-stroke cylinder (4415) is fixedly connected to the sliding material receiving block (4413) through a connecting rod (4416), and a limiting sliding groove is provided on the side wall of the support frame (4412) and is limitedly slidably connected to the connecting rod (4416); a top rivet rod assembly is provided at the bottom of the support frame (4412), and the top rivet rod assembly is used to lift the rivet rod in the material receiving groove (4414) to cooperate with the rivet rod feeding assembly (442) to grab.

[0011] Furthermore, the rivet rod feeding assembly (442) comprises a fourth linear module (4421), a fourth Z-axis cylinder (4422), a cross bar (4423) and a parallel clamping claw cylinder (4424); the fourth linear module (4421) is fixedly connected to the support platform (47) via a connecting piece; the output end of the fourth linear module (4421) is fixedly mounted with a fourth Z-axis cylinder (4422); the output end of the fourth Z-axis cylinder (4422) is fixedly mounted with a cross bar (4423); parallel clamping claw cylinders (4424) for clamping the top of the rivet rod are fixedly mounted at both ends of the cross bar (4423); the parallel clamping claw cylinders (4424) are tilted to avoid the end cover (64).

[0012] Furthermore, the riveting lower die assembly (45) comprises a fixed platform (451), a floating platform (452), a guide column (453), a floating spring (454) and a limit support block (455); the fixed platform (451) is fixedly mounted on the moving end of the X-axis servo moving mechanism (41); a plurality of guide columns (453) are evenly and evenly fixedly mounted on the fixed platform (451) along the circumference of the fixed platform (451) at equal intervals; a plurality of sliding holes corresponding to the guide columns (453) and limitedly slidably connected are opened at the lower end of the floating platform (452); a spring mounting groove is arranged at the lower end of the sliding hole of the floating platform (452); the floating spring (454) is sleeved on the outside of the guide column (453) and is located in the spring mounting groove; the two ends of the floating spring (454) are respectively in contact with the fixed platform (451) and the floating platform (452); the floating platform (452) is adapted to the housing (61) of the motor (6); A plurality of limiting support blocks (455) corresponding one-to-one to the riveting holes of the motor (6) and used to limit the position of the housing (61) are fixedly mounted on the upper end of the fixing platform (451), and a riveting groove cooperating with the lower end of the rivet rod is provided on the top of the limiting support block (455).

[0013] Furthermore, the riveting upper die assembly (46) comprises a column (461), a top platform (462), a guide column (453), a riveting cylinder (464), an upper die plate (465) and a riveting rod (466), wherein a plurality of columns (461) are fixedly mounted on a support platform (47), and a top platform (462) is fixedly mounted on the top of each column (461); a riveting cylinder (464) is fixedly mounted on the upper end of the top platform (462), and an output end of the riveting cylinder (464) passes through the top platform (462) and is fixedly connected to a pressing plate (463); the pressing plate (463) is limitedly slidably connected to the column (461); an upper die plate (465) is fixedly mounted on the lower end of the pressing plate (463), and a plurality of riveting rods (466) corresponding to riveting holes of the motor (6) and used for riveting operations are fixedly mounted on the lower end of the upper die plate (465).

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. Two groups of end cap storage assemblies cooperate to realize uninterrupted feeding of end caps. Two end cap moving three-claw cylinders (4344) move the end caps (64) in place on the rotating table (4311) to the transfer table (432), and simultaneously move the end caps (64) on the transfer table (432) to the riveting lower die assembly (45) at the moving end of the X-axis servo moving mechanism (41). The end caps (64) are temporarily stored on the transfer table (432) to ensure that (6344) drives the end caps (64) smoothly and only takes one end cap (64), thereby realizing accurate feeding of the end caps (64).

[0015] 2. After each of the two receiving grooves (4414) of the sliding receiving block (4413) takes a rivet rod, the rivet rod push-up assembly pushes the rivet rod upward to a standard position, so that the two parallel clamping jaw cylinders (4424) grab the rivet rods in the two receiving grooves (4414) at one time and install them into the riveting holes of the motor (6), thereby realizing the automated and efficient installation of the rivet rods.

[0016] 3. The movement of the motor (6) is precisely controlled by the X-axis servo moving mechanism (41), so that the motor (6) moves to the lower end of the riveting upper die assembly (46) after completing the assembly of the end cover and the rivet rod in sequence, and the rivet rod (466) is pressed downward, and the limit support block (455) and the rivet rod (466) cooperate to realize the riveting operation of the end cover (64) and the housing (61). BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 1 This is a three-dimensional diagram of the motor rotor automated assembly line; Figure 2 This is a top view of the motor rotor automated assembly line; Figure 3 It is the structural diagram of the motor; Figure 4 A three-dimensional diagram of an end cap automatic assembly device Figure 1 ; Figure 5 It is a three-dimensional diagram of the motor material moving mechanism; Figure 6 A three-dimensional diagram of an end cap automatic assembly device Figure 2 ; Figure 7 for Figure 6 The enlarged view of point A in the middle; Figure 8 A perspective view of a standardized feed assembly for rivet rods; Fig. 9 for Figure 8 The enlarged view of point B in the middle; Fig.10 The three-dimensional structure of the riveting upper die assembly and the riveting lower die assembly Figure 1 ; Fig.11 The three-dimensional structure of the riveting upper die assembly and the riveting lower die assembly Figure 2 .

[0019] The numbers in the figure represent: 1. Double-speed chain conveyor line; 2. Tooling plate; 4. End cover riveting module; 41. X-axis servo moving mechanism; 411. Linear guide; 412. X-axis slide plate; 413. Servo motor; 414. Screw rod; 42. Motor material moving mechanism; 421. Second linear module; 422. Second X-axis moving plate; 423. Second Z-axis cylinder; 424. Mounting frame; 425. Clamping motor cylinder; 426. Clamping block; 43. End cover mounting mechanism; 4 31. Standardized feeding assembly for end cap; 4311. Rotating table; 4312. Ring base; 4313. Positioning slide bar; 4314. Servo push cylinder; 4315. Ejector block; 432. Transfer table; 433. Positioning pin; 434. Duplex displacement end cap assembly; 4341. Third linear module; 4342. Third Z-axis cylinder; 4343. Mounting plate; 4344. Three-claw cylinder for end cap displacement; 44. Rivet rod mounting mechanism; 441. Riveting Rod standardized feeding assembly; 4411, direct vibration feeder; 4412, support frame; 4413, sliding receiving block; 4414, receiving trough; 4415, double-stroke cylinder; 4416, connecting rod; 4417, top rivet rod cylinder; 4418, top plate; 4419, top column; 442, rivet rod feeding assembly; 4421, fourth linear module; 4422, fourth Z-axis cylinder; 4423, crossbar; 4424, parallel gripper cylinder ; 45. Riveting lower die assembly; 451. Fixed platform; 452. Floating platform; 453. Guide column; 454. Floating spring; 455. Limit support block; 46. Riveting upper die assembly; 461. Column; 462. Top platform; 463. Pressing plate; 464. Riveting cylinder; 465. Upper template; 466. Riveting rod; 47. Support platform; 6. Motor; 61. Housing; 62. Stator; 63. Rotor; 64. End cover; 65. Shaft. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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.

[0021] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0022] Embodiment 1: In some embodiments, please refer to the drawings of the specification Figure 1-Figure 3 , an automatic assembly line for a motor rotor, comprising a double-speed chain conveyor line (1), a tooling plate (2) running on the double-speed chain conveyor line (1), and a rotor assembly module (3), an end cover riveting module (4), and a conductive detection module (5) arranged in sequence along the conveying direction of the double-speed chain conveyor line (1); Although not shown in the figure, a plurality of sets of stoppers and return stops are provided on the lower side of the double-speed chain conveyor line (1) for use in conjunction with each other, so as to achieve precise positioning of the tooling plate (2); after the combined housing (61) and stator (62) are placed on the tooling plate (2) manually or by a robot arm, the tooling plate (2) flows from left to right, and the rotor (63) is installed into the stator (62) by the rotor assembly module (3), and then the end cover (64) is riveted to the top of the housing (61) by the end cover riveting module (4), completing the assembly of the motor (6), and finally, the three wires of the motor (6) are energized by the conductive detection module (5) to test whether the motor can be energized smoothly, and qualified products flow into the next process, while unqualified products are removed from the double-speed chain conveyor line (1) by a human or a robot arm.

[0023] Embodiment 1: In some embodiments, please refer to the drawings of the specification Figure 4-Figure 11 , an end cap automatic assembly device, comprising a support table (47); An X-axis servo moving mechanism (41) is disposed on the support platform (47), and a riveting lower die assembly (45) for supporting and positioning the motor (6) is installed on the moving end of the X-axis servo moving mechanism (41); A motor material moving mechanism (42) is provided between the support platform (47) and the double-speed chain conveyor line (1), and the motor material moving mechanism (42) is used to control the motor (6) to flow between the tooling plate (2) and the riveting lower die assembly (45); An end cover mounting mechanism (43), a rivet rod mounting mechanism (44) and a riveting upper die assembly (46) are sequentially arranged on the support platform (47) from front to back; The end cap installation mechanism (43) comprises an end cap standardization feeding assembly (431), a transfer table (432) and a duplex displacement end cap assembly (434) arranged on a support table (47); the end cap standardization feeding assembly (431) is located on one side of the X-axis servo moving mechanism (41); a transfer table (432) is arranged between the end cap standardization feeding assembly (431) and the X-axis servo moving mechanism (41); the transfer table (432) is fixedly connected to the support table (47); the duplex displacement end cap assembly (434) is located on the front side of the transfer table (432); the duplex displacement end cap assembly (434) is used to synchronously move the end cap (64) on the end cap standardization feeding assembly (431) onto the transfer table (432), and move the end cap (64) on the transfer table (432) onto the housing (61) of the X-axis servo moving mechanism (41); A plurality of positioning pins (433) corresponding to and cooperating with the riveting holes of the end caps (64) are fixedly mounted on the transfer table (432); a weight sensor or a photoelectric sensor is also provided on the transfer table (432) for monitoring whether the duplex displacement end cap assembly (434) takes an end cap (64) from the end cap standardization feeding assembly (431); The end cap standardized feeding assembly (431) comprises a rotating table (4311), end cap storage assemblies symmetrically arranged at both ends of the rotating table (4311), and an end cap lifting assembly located at the lower side of the rotating table (4311); the rotating table (4311) is rotatably mounted on a support table (47); the rotating table (4311) can be driven by a rotating cylinder or a motor to control the rotating table (4311) to rotate 180 degrees each time; The end cover storage assembly comprises an annular base (4312) and a positioning slide bar (4313); the annular base (4312) is fixedly connected to the rotating platform (4311); a plurality of positioning slide bars (4313) corresponding to and cooperating with the riveting holes of the end cover (64) are fixedly mounted on the annular base (4312); The end cover lifting assembly is located on a side of the rotating platform (4311) close to the X-axis servo moving mechanism (41), and the end cover lifting assembly comprises a servo push cylinder (4314) and a push block (4315). The servo push cylinder (4314) is fixedly mounted on the lower end of the support platform (47), and the output end of the servo push cylinder (4314) passes through the support platform (47) and is fixedly connected to the push block (4315). The duplex displacement end cover assembly (434) comprises a third linear module (4341), a third Z-axis cylinder (4342), a mounting plate (4343) and a displacement end cover three-claw cylinder (4344); the third linear module (4341) is fixedly connected to the support platform (47) via a connecting piece; the third Z-axis cylinder (4342) is fixedly mounted on the movable end of the third linear module (4341); the mounting plate (4343) is fixedly mounted on the output end of the third Z-axis cylinder (4342); the displacement end cover three-claw cylinder (4344) is symmetrically fixedly mounted on both ends of the mounting plate (4343); the displacement end cover three-claw cylinder (4344) is used to clamp the protruding portion on the top of the end cover (64); In the present application, the servo push cylinder (4314) controls the top block (4315) to lift the end cover (64), so that the end cover (64) moves vertically upward under the limiting action of the positioning slide bar (4313) until the top end cover (64) is in place, and then the third linear module (4341) and the third Z-axis cylinder (4342) cooperate to drive the two end cover moving three-claw cylinders (4344) to move, and the end cover moving three-claw cylinders (4344) move the end cover (64) in place on the rotating table (4311) to the transfer table (432), and simultaneously move the end cover (64) on the transfer table (432) to the riveting lower die assembly (45) at the moving end of the X-axis servo moving mechanism (41), through The end caps (64) are temporarily stored on the transfer table (432) to ensure that (6344) drives the end caps (64) smoothly and only one end cap (64) is taken, thereby realizing accurate feeding operation of the end caps (64); each time an end cap (64) is taken away, the servo push cylinder (4314) pushes the end cap (64) upward through the top block (4315) to make the end cap (64) originally at the top in place, until all the end caps (64) in one end cap storage assembly are taken out, and the rotating table (4311) rotates 180 degrees to exchange the positions of the two groups of end cap storage assemblies, so that when one group of end cap storage assemblies is feeding, the operator can replenish the end caps to the other group of end cap storage assemblies, thereby realizing continuous feeding operation of the end caps.

[0024] The rivet rod installation mechanism (44) is provided with two groups and is symmetrically distributed on the left and right sides of the X-axis servo moving mechanism (41), and is used to perform rivet rod installation operations on the left and right sides of the motor (6) respectively; The rivet rod installation mechanism (44) comprises a rivet rod standardized feeding assembly (441) and a rivet rod loading assembly (442) arranged on a support platform (47); the rivet rod standardized feeding assembly (441) is used to provide two rivet rods matching the rivet holes on one side of the end cover (64) at one time; and the rivet rod loading assembly (442) is used to install the two rivet rods supplied by the rivet rod standardized feeding assembly (441) into the rivet holes of the motor (6) at one time; The rivet rod standardized feeding assembly (441) comprises a straight vibration feeder (4411), a support frame (4412), a sliding material receiving block (4413), a double-stroke cylinder (4415), a connecting rod (4416) and a top rivet rod assembly, wherein the support frame (4412) is fixedly connected to the support platform (47), the straight vibration feeder (4411) is arranged on a side of the support frame (4412) away from the X-axis servo moving mechanism (41), and the side wall of the support frame (4412) begins to have an opening connected to the discharge end of the straight vibration feeder (4411); The sliding material receiving block (4413) slides in contact with the inner wall of the support frame (4412) close to the straight vibration feeder (4411), and material receiving grooves (4414) adapted to the rivet rods are symmetrically provided on both sides of the sliding material receiving block (4413); the double-stroke cylinder (4415) is fixedly connected to the side wall of the support frame (4412), and the output end of the double-stroke cylinder (4415) is fixedly connected to the sliding material receiving block (4413) through a connecting rod (4416), and a limiting sliding groove is provided on the side wall of the support frame (4412) and is limitedly slidably connected to the connecting rod (4416); a top rivet rod assembly is provided at the bottom of the support frame (4412), and the top rivet rod assembly is used to lift the rivet rod in the material receiving groove (4414) to cooperate with the rivet rod feeding assembly (442) to grab; The top rivet rod assembly comprises a top rivet rod cylinder (4417), a top plate (4418) and a top column (4419); the top rivet rod cylinder (4417) is fixedly mounted on the lower end of the support frame (4412); the top plate (4418) is fixedly mounted on the output end of the top rivet rod cylinder (4417); and top columns (4419) for lifting the rivet rod in the material receiving trough (4414) upwards are fixedly mounted on both ends of the top plate (4418).

[0025] The rivet rod feeding assembly (442) comprises a fourth linear module (4421), a fourth Z-axis cylinder (4422), a cross bar (4423) and a parallel clamping claw cylinder (4424); the fourth linear module (4421) is fixedly connected to the support platform (47) via a connecting piece; the output end of the fourth linear module (4421) is fixedly mounted with the fourth Z-axis cylinder (4422); the output end of the fourth Z-axis cylinder (4422) is fixedly mounted with the cross bar (4423); parallel clamping claw cylinders (4424) for clamping the top of the rivet rod are fixedly mounted at both ends of the cross bar (4423); the parallel clamping claw cylinders (4424) are tilted to avoid the end cover (64); In the present application, the straight vibration feeder (4411) transports the rivet rod toward the support frame (4412). In the initial state, the two receiving slots (4414) are located on both sides of the discharge end of the straight vibration feeder (4411) and are offset from the discharge end of the straight vibration feeder (4411). The double-stroke cylinder (4415) controls the sliding receiving block (4413) to slide through the connecting rod (4416), so that the two receiving slots (4414) are respectively aligned with the discharge end of the straight vibration feeder (4411), and then a rivet rod is taken out, and then the sliding receiving block (4413) returns to its initial state, and then the top rivet rod cylinder (4417) drives the top plate (4418) to move upward, and lifts the rivet rod in the receiving trough (4414) through the top column (4419); the fourth linear module (4421) and the fourth Z-axis cylinder (4422) control the movement of the two parallel clamping claw cylinders (4424), so that the two parallel clamping claw cylinders (4424) grab the rivet rods in the two receiving troughs (4414) and install them into the riveting holes of the motor (6), thereby realizing the automated and efficient installation of the rivet rods.

[0026] The riveting lower die assembly (45) comprises a fixed platform (451), a floating platform (452), a guide column (453), a floating spring (454) and a limit support block (455); the fixed platform (451) is fixedly mounted on the moving end of the X-axis servo moving mechanism (41); a plurality of guide columns (453) are evenly and evenly fixedly mounted on the fixed platform (451) along the circumference of the fixed platform (451) at equal intervals; a plurality of sliding holes corresponding to the guide columns (453) and limitedly slidably connected are opened at the lower end of the floating platform (452); a spring mounting groove is arranged at the lower end of the sliding hole of the floating platform (452); the floating spring (454) is sleeved on the outside of the guide column (453) and is located in the spring mounting groove; the two ends of the floating spring (454) are respectively in contact with the fixed platform (451) and the floating platform (452); the floating platform (452) is adapted to the housing (61) of the motor (6); A plurality of limiting support blocks (455) corresponding one-to-one to the riveting holes of the motor (6) and used to limit the position of the housing (61) are fixedly mounted on the upper end of the fixing platform (451), and a riveting groove cooperating with the lower end of the rivet rod is provided on the top of the limiting support block (455).

[0027] The riveting upper die assembly (46) comprises a column (461), a top platform (462), a guide column (453), a riveting cylinder (464), an upper die plate (465) and a riveting rod (466). A plurality of columns (461) are fixedly mounted on a support platform (47), and a top platform (462) is fixedly mounted on the top of each column (461); a riveting cylinder (464) is fixedly mounted on the upper end of the top platform (462), and an output end of the riveting cylinder (464) passes through the top platform (462) and is fixedly connected to a pressing plate (463); the pressing plate (463) is limitedly slidably connected to the column (461); an upper die plate (465) is fixedly mounted on the lower end of the pressing plate (463), and a plurality of riveting rods (466) corresponding to riveting holes of a motor (6) and used for riveting operations are fixedly mounted on the lower end of the upper die plate (465).

[0028] In the present application, after the X-axis servo moving mechanism (41) drives the motor (6) to complete the end cover assembly and the rivet rod assembly in sequence, the riveting lower die assembly (45) is moved to the lower end of the riveting upper die assembly (46), so that the motor (6) on the floating platform (452) is aligned with the upper template (465), and the riveting cylinder (464) drives the pressure plate (463) to move downward, so that the rivet rod (466) gradually approaches the rivet rod of the motor (6), and finally the limiting support block (455) and the rivet rod (466) cooperate to realize the riveting operation of the end cover (64) and the shell (61), and the guide column (453) and the floating spring (454) cooperate to realize the floating buffer effect of the floating platform (452).

[0029] The X-axis servo moving mechanism (41) comprises a linear guide rail (411), an X-axis slide plate (412), a servo motor (413) and a lead screw (414); the linear guide rail (411) is fixedly mounted on a support platform (47); the X-axis slide plate (412) is limitedly slidably connected to the linear guide rail (411) via a slider; and the fixed platform (451) is fixedly mounted on the X-axis slide plate (412); the servo motor (413) is fixedly mounted on the support platform (47); one end of the lead screw (414) is rotatably connected to the support platform (47) via a bearing; the other end of the lead screw (414) is fixedly connected to an output end of the servo motor (413); and the X-axis slide plate (412) is threadedly connected to the lead screw (414) via a threaded sleeve; the servo motor (413) drives the lead screw (414) to rotate, thereby controlling the servo movement of the X-axis slide plate (412), thereby achieving precise control of the position of the motor (6) on the X-axis servo moving mechanism (41).

[0030] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic end cap assembly device, comprising a support table (47), characterized in that: An X-axis servo moving mechanism (41) is disposed on the support platform (47), and a riveting lower die assembly (45) for supporting and positioning the motor (6) is installed on the moving end of the X-axis servo moving mechanism (41); A motor material moving mechanism (42) is provided between the support platform (47) and the double-speed chain conveyor line (1), and the motor material moving mechanism (42) is used to control the motor (6) to flow between the tooling plate (2) and the riveting lower die assembly (45); An end cover mounting mechanism (43), a rivet rod mounting mechanism (44) and a riveting upper die assembly (46) are sequentially arranged on the support platform (47) from front to back; The end cap installation mechanism (43) comprises an end cap standardized feeding assembly (431), a transfer table (432) and a duplex displacement end cap assembly (434) arranged on a support table (47); the end cap standardized feeding assembly (431) is located on one side of the X-axis servo moving mechanism (41); a transfer table (432) is arranged between the end cap standardized feeding assembly (431) and the X-axis servo moving mechanism (41); the transfer table (432) is fixedly connected to the support table (47); the duplex displacement end cap assembly (434) is located on the transfer table On the front side of the platform (432), a duplex displacement end cover assembly (434) is used to synchronously move the end cover (64) on the end cover standardization feeding assembly (431) onto the transfer platform (432), and move the end cover (64) on the transfer platform (432) onto the housing (61) of the X-axis servo moving mechanism (41); a plurality of positioning pins (433) corresponding to and cooperating with the riveting holes of the end cover (64) are fixedly mounted on the transfer platform (432); a weight sensor or a photoelectric sensor is also provided on the transfer platform (432).

2. The end cap automatic assembly equipment according to claim 1, characterized in that: The end cap standardized feeding assembly (431) comprises a rotating table (4311), end cap storage assemblies symmetrically arranged at both ends of the rotating table (4311), and an end cap lifting assembly located at the lower side of the rotating table (4311); the rotating table (4311) is rotatably mounted on a support table (47); the rotating table (4311) can be driven by a rotating cylinder or a motor to control the rotating table (4311) to rotate 180 degrees each time; The end cover storage assembly comprises an annular base (4312) and a positioning slide bar (4313); the annular base (4312) is fixedly connected to the rotating platform (4311); a plurality of positioning slide bars (4313) corresponding to and cooperating with the riveting holes of the end cover (64) are fixedly mounted on the annular base (4312); The end cover lifting assembly is located on a side of the rotating platform (4311) close to the X-axis servo moving mechanism (41), and the end cover lifting assembly comprises a servo push cylinder (4314) and a push block (4315). The servo push cylinder (4314) is fixedly mounted on the lower end of the support platform (47), and the output end of the servo push cylinder (4314) passes through the support platform (47) and is fixedly connected to the push block (4315).

3. The end cap automatic assembly equipment according to claim 2, characterized in that: The duplex displacement end cover assembly (434) comprises a third linear module (4341), a third Z-axis cylinder (4342), a mounting plate (4343) and a displacement end cover three-claw cylinder (4344); the third linear module (4341) is fixedly connected to the support platform (47) via a connecting piece; the third Z-axis cylinder (4342) is fixedly mounted on the movable end of the third linear module (4341); the mounting plate (4343) is fixedly mounted on the output end of the third Z-axis cylinder (4342); the displacement end cover three-claw cylinder (4344) is symmetrically fixedly mounted at both ends of the mounting plate (4343); the displacement end cover three-claw cylinder (4344) is used to clamp the protruding portion on the top of the end cover (64).

4. The end cap automatic assembly equipment according to claim 3, characterized in that: The rivet rod installation mechanism (44) is provided with two groups and is symmetrically distributed on the left and right sides of the X-axis servo moving mechanism (41), and is used to perform rivet rod installation operations on the left and right sides of the motor (6) respectively; The rivet rod installation mechanism (44) comprises a rivet rod standardized feeding assembly (441) and a rivet rod loading assembly (442) arranged on a support platform (47); the rivet rod standardized feeding assembly (441) is used to provide two rivet rods matching the rivet holes on one side of the end cover (64) at one time; and the rivet rod loading assembly (442) is used to install the two rivet rods supplied by the rivet rod standardized feeding assembly (441) into the rivet holes of the motor (6) at one time.

5. The end cap automatic assembly equipment according to claim 4, characterized in that: The rivet rod standardized feeding assembly (441) comprises a straight vibration feeder (4411), a support frame (4412), a sliding material receiving block (4413), a double-stroke cylinder (4415), a connecting rod (4416) and a top rivet rod assembly, wherein the support frame (4412) is fixedly connected to the support platform (47), the straight vibration feeder (4411) is arranged on a side of the support frame (4412) away from the X-axis servo moving mechanism (41), and the side wall of the support frame (4412) begins to have an opening connected to the discharge end of the straight vibration feeder (4411); The sliding material receiving block (4413) slides in contact with the inner wall of the support frame (4412) close to the straight vibration feeder (4411), and material receiving grooves (4414) adapted to the rivet rods are symmetrically provided on both sides of the sliding material receiving block (4413); the double-stroke cylinder (4415) is fixedly connected to the side wall of the support frame (4412), and the output end of the double-stroke cylinder (4415) is fixedly connected to the sliding material receiving block (4413) through a connecting rod (4416), and a limiting sliding groove is provided on the side wall of the support frame (4412) and is limitedly slidably connected to the connecting rod (4416); a top rivet rod assembly is provided at the bottom of the support frame (4412), and the top rivet rod assembly is used to lift the rivet rod in the material receiving groove (4414) to cooperate with the rivet rod feeding assembly (442) to grab.

6. The end cap automatic assembly equipment according to claim 5, characterized in that: The rivet rod feeding assembly (442) comprises a fourth linear module (4421), a fourth Z-axis cylinder (4422), a cross bar (4423) and a parallel clamping claw cylinder (4424); the fourth linear module (4421) is fixedly connected to the support platform (47) via a connecting piece; the output end of the fourth linear module (4421) is fixedly mounted with the fourth Z-axis cylinder (4422); the output end of the fourth Z-axis cylinder (4422) is fixedly mounted with the cross bar (4423); parallel clamping claw cylinders (4424) for clamping the top of the rivet rod are fixedly mounted at both ends of the cross bar (4423); the parallel clamping claw cylinders (4424) are tilted to avoid the end cover (64).

7. The end cap automatic assembly equipment according to claim 6, characterized in that: The riveting lower die assembly (45) comprises a fixed platform (451), a floating platform (452), a guide column (453), a floating spring (454) and a limit support block (455); the fixed platform (451) is fixedly mounted on the moving end of the X-axis servo moving mechanism (41); a plurality of guide columns (453) are evenly and evenly fixedly mounted on the fixed platform (451) along the circumference of the fixed platform (451) at equal intervals; a plurality of sliding holes corresponding to the guide columns (453) and limitedly slidably connected are opened at the lower end of the floating platform (452); a spring mounting groove is arranged at the lower end of the sliding hole of the floating platform (452); the floating spring (454) is sleeved on the outside of the guide column (453) and is located in the spring mounting groove; the two ends of the floating spring (454) are respectively in contact with the fixed platform (451) and the floating platform (452); the floating platform (452) is adapted to the housing (61) of the motor (6); A plurality of limiting support blocks (455) corresponding one-to-one to the riveting holes of the motor (6) and used to limit the position of the housing (61) are fixedly mounted on the upper end of the fixing platform (451), and a riveting groove cooperating with the lower end of the rivet rod is provided on the top of the limiting support block (455).

8. The end cap automatic assembly equipment according to claim 7, characterized in that: The riveting upper die assembly (46) comprises a column (461), a top platform (462), a guide column (453), a riveting cylinder (464), an upper die plate (465) and a riveting rod (466). A plurality of columns (461) are fixedly mounted on a support platform (47), and a top platform (462) is fixedly mounted on the top of each column (461); a riveting cylinder (464) is fixedly mounted on the upper end of the top platform (462), and an output end of the riveting cylinder (464) passes through the top platform (462) and is fixedly connected to a pressing plate (463); the pressing plate (463) is limitedly slidably connected to the column (461); an upper die plate (465) is fixedly mounted on the lower end of the pressing plate (463), and a plurality of riveting rods (466) corresponding to riveting holes of a motor (6) and used for riveting operations are fixedly mounted on the lower end of the upper die plate (465).

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