A guide rail rotary riveting assembly step pin and pulley device for automobile window lifter

Abstract

The present invention discloses a guide rail riveting assembly step pin and pulley device for an automobile glass lifter, which relates to the technical field of automobile parts processing equipment, and specifically a guide rail riveting assembly step pin and pulley device for an automobile glass lifter, comprising an equipment stand, wherein an electrical cabinet is arranged inside the equipment stand, a riveting machine is fixedly installed on the top of the equipment stand, and an equipment stand is arranged on the right side of the riveting machine. The guide rail riveting assembly step pin and pulley device for the automobile glass lifter can realize automatic oiling after two pulleys are placed at the same time by arranging a pulley oiling device, and by arranging a positioning clamping device, the front end positioning block at the top of the positioning clamping device is used as the main positioning, and then the rear end positioning block is used for floating positioning to eliminate the tolerance of the parts, ensure that the riveted surfaces are parallel, and improve the product quality. At the same time, the positioning of the guide rail adopts automatic clamping by a cylinder, which is more convenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of automobile parts processing equipment, in particular to a guide rail rotary riveting assembly step pin and pulley equipment for an automobile glass lifter. Background Art

[0002] The glass lifter system of a car is a device used to realize the smooth lifting and lowering of the door glass and the smooth opening and closing of the doors and windows at any time, providing the driver with a comfortable driving environment and ensuring driving safety. The invention relates to a device for riveting and assembling step pins and pulleys on the guide rail of the car glass lifter.

[0003] In the automobile window lift assembly mechanism ( Figure 8 ) During the assembly process of the spiral riveted step pin pulley assembly, it is necessary to ensure that the gap between the pulley and the guide rail meets the process requirements; the gap cannot be too small, otherwise the friction between the pulley and the guide rail will be too large, resulting in the pulley not being able to rotate normally; the gap cannot be too large, otherwise the pulley will move too much between the pin and the guide rail, resulting in abnormal noise during the operation of the glass lifter assembly. For this reason, we provide a guide rail spiral riveted assembly step pin and pulley equipment for automobile glass lifters. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides a guide rail rotary riveting assembly step pin and pulley device for an automobile window lifter, which solves the problems raised in the above background technology.

[0005] To achieve the above purpose, the present invention is implemented through the following technical solutions: a guide rail rotary riveting assembly step pin and pulley device for an automobile glass lifter, comprising an equipment stand, an electrical cabinet is arranged inside the equipment stand, a rotary riveting machine is fixedly installed on the top of the equipment stand, an equipment stand is arranged on the right side of the rotary riveting machine, a step pin feeding vibration plate is placed on the right side of the equipment stand, the discharge port of the step pin feeding vibration plate extends to the top of the step pin primary feeding device, and a step is arranged at the bottom of the rotary riveting machine. A ladder pin secondary feeding device, the number of the ladder pin primary feeding device and the ladder pin secondary feeding device are both two, a step pin in-place sensor device is arranged at the bottom of the rotary riveting machine and is located in front of the step pin secondary feeding device, rotary riveting point support columns are arranged on both sides of the step pin in-place sensor device, a guide rail positioning clamping device is arranged on the front of the rotary riveting point support column, a pulley oiling device located on the top of the equipment stand is arranged on the right side of the guide rail positioning clamping device, and an oiling pump is fixedly installed inside the rotary riveting machine.

[0006] Optionally, the step pin first-level feeding device includes an auxiliary drag block, a first-level feeding sensor mounting block, a first-level feeding sensor, a pin feeding slider, a stop block guide shaft, a feeding block left limit plate, a feeding block right limit plate, a front end hydraulic buffer, a front end hydraulic buffer mounting plate, a first-level feeding device mounting base, a first-level feeding device Y-axis adjustment seat, a first-level feeding device mounting base, a first-level feeding device X-axis adjustment seat, a spring 1, a stop block guide shaft mounting seat, a first-level feeding cylinder, a rear end hydraulic buffer, and a first-level feeding cylinder mounting plate, wherein the first-level feeding cylinder drags the pin feeding slider to reciprocate, and a spring 1 is provided inside the step pin limit stop block, and the step pin limit stop block is pushed forward by the elastic force of the spring 1 to clamp the step pin in the transition groove; the initial state of the device When the first-level feeding cylinder is in a retracted state, the rear-end hydraulic buffer is used to buffer the impact force of the cylinder and limit the initial material receiving position of the pin feeding slider, and the auxiliary drag block installed on the pin feeding slider drives the step pin limit stop block to further compress the spring, so that the transition groove is fully opened and the step pin can pass smoothly; the vibration plate sends the step pin into the positioning groove in the pin feeding slider, and after the first-level feeding sensor senses that the step pin is in place, the first-level feeding cylinder pushes the pin feeding slider to extend to the specified position, and the front-end hydraulic buffer buffers the impact force of the cylinder and limits the feeding position; at this time, the limit pin feeding slider loses the compression force provided by the first-level feeding cylinder, and is pushed forward by the spring, pressing the step pin in the transition groove, thereby realizing the step pin feeding stop function.

[0007] Optionally, a front end positioning pin connecting plate is provided on the front side of the rivet point support column, a front end positioning pin mounting block is provided on the top of the front end positioning pin connecting plate, a guide rail component is placed on the top of the rivet point support column, a front end positioning pin is threadedly connected to the top of the front end positioning pin mounting block, and the guide rail component is fixed to the rivet point support column through the front end positioning pin.

[0008] Optionally, the step pin in place sensor device is in a T-shape, and includes a sensor support column, a sensor mounting plate is arranged on the top of the sensor support column, and a secondary feeding sensor is arranged on the top of the sensor mounting plate.

[0009] Optionally, the guide rail positioning and clamping device includes a rear end positioning block longitudinal adjustment block, a rear end positioning block support block, a spring adjustment screw, a spring 2, a front end positioning block support block, a guide rail positioning and clamping device base plate, a front end positioning block longitudinal adjustment block, a pressure head, a guide rail clamping cylinder, a guide rail clamping cylinder mounting seat, a guide rail front end positioning block, a guide rail sensor mounting plate, a guide rail sensor, a telescopic guide shaft, a guide rail rear end positioning block, and a floating seat, wherein the guide rail front end positioning block and the guide rail rear end positioning block front end positioning pin constitute a guide rail positioning mechanism to ensure that the riveting plane of the guide rail component is parallel to the bottom surface of the step pin, and to ensure that the gap between the pulley and the guide rail contact surface after riveting meets the process requirements. The rear end positioning block of the guide rail adopts spring 2 for floating adjustment, which can eliminate the problem of increased arc deviation caused by the stamping of the guide rail. Its purpose is also to ensure that the riveting plane of the guide rail component is parallel to the bottom surface of the step pin. The spring adjustment screw is used to adjust the elastic force of spring 2, so that the elastic force can just support the guide rail component without deflection when the guide rail clamping cylinder is not clamped, and the rear end positioning block of the guide rail can float to the appropriate positioning position when the guide rail clamping cylinder moves downward to clamp the guide rail. When the guide rail component is placed in the guide rail positioning clamping device, the guide rail sensor senses the guide rail component and the guide rail clamping cylinder moves downward to clamp the guide rail.

[0010] Optionally, the step pin secondary feeding device includes a limited position oil pressure buffer, a clamp, a finger cylinder, a finger cylinder connecting seat, an upper slide cylinder, an upper slide cylinder connecting seat, a lower slide cylinder, and a step pin secondary feeding device base, wherein the lower slide cylinder moves to the right position, at which time the upper slide cylinder extends, and the finger cylinder opens to clamp the step pin from the step pin primary feeding device; then the upper slide cylinder retracts, the lower slide cylinder moves to the left position, the upper slide cylinder extends, the finger cylinder puts the step pin into the rivet point support column, and the upper slide cylinder retracts to complete the automatic feeding of the step pin. After the feeding is completed, the lower slide cylinder moves to the right position to clamp another step pin from the step pin primary feeding device and wait for the next feeding, thereby reducing the feeding time.

[0011] Optionally, the pulley oiling device includes an oiling head and an equipment table, the oiling head is fixedly mounted on the equipment table, a sensor positioning plate is fixedly mounted on the top of the equipment table, a left sensor and a right sensor are fixedly mounted on the top of the sensor positioning plate, and after two pulleys are placed on the oiling head at the same time, the left sensor and the right sensor simultaneously sense the presence of pulleys and automatically complete the oiling action of the two pulleys.

[0012] The present invention provides a guide rail rotary riveting assembly step pin and pulley device for an automobile glass lifter, which has the following beneficial effects:

[0013] 1. The guide rail of the automobile window lifter is riveted and assembled with stepped pins and pulley equipment. By setting a pulley oiling device, the two pulleys can be automatically oiled after being placed at the same time. By setting a positioning clamping device, the front end positioning block on the top of the positioning clamping device is used as the main positioning, and the rear end positioning block is used for floating positioning to eliminate the tolerance of the parts, ensure the parallelism of the riveted surfaces, and improve the product quality. At the same time, the positioning of the guide rail adopts automatic clamping by a cylinder, which is more convenient to use.

[0014] 2. The guide rail of the automobile glass lifter is riveted and assembled with stepped pins and pulley equipment. By setting a secondary feeding device, the pins are clamped by a clamping claw, and then the lower slide cylinder and the upper slide cylinder drive the clamping claw to move, so as to realize automatic feeding of the pins, reduce the labor intensity of workers, and improve processing efficiency. By setting two sets of primary feeding devices and secondary feeding devices, the processing of two guide rails can be completed at the same time, which improves the efficiency of guide rail processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention;

[0016] Figure 2 This is a schematic diagram of the front elevation structure of the present invention;

[0017] Figure 3 It is a structural schematic diagram of the primary feeding device of the present invention (stereoscopic view + top view);

[0018] Figure 4 It is a structural schematic diagram of the secondary feeding device of the present invention;

[0019] Figure 5 It is a structural schematic diagram of the in-place sensor device of the present invention;

[0020] Figure 6 It is a structural schematic diagram of the positioning and clamping device of the present invention;

[0021] Figure 7 This is a schematic diagram of the structure of the connecting rod oiling of the present invention;

[0022] Figure 8 The figure is a schematic diagram of the structure of the automobile window lifter assembly.

[0023] In the figure: 1. Riveting machine; 2. Step pin feeding vibration plate; 3. Step pin primary feeding device; 4. Equipment stand; 5. Electrical cabinet; 6. Oiling pump; 7. Pulley oiling device; 8. Guide rail positioning clamping device; 9. Step pin in place sensor device; 10. Riveting point support column; 11. Step pin secondary feeding device; 12. Equipment table; 13. Left sensor; 14. Sensor positioning plate; 15. Right sensor; 16. Oiling pipe connector; 17. Oiling head; 18. Auxiliary drag block; 19. 1. First-stage feeding sensor mounting block; 20. First-stage feeding sensor; 21. Pin feeding slider; 22. Stopper block guide shaft; 23. Feeding block left limit plate; 24. Feeding block right limit plate; 25. Front-end hydraulic buffer; 26. Front-end hydraulic buffer mounting plate; 27. First-stage feeding device mounting base; 28. First-stage feeding device Y-axis adjustment seat; 29. ​​Step pin limit stopper; 30. First-stage feeding device X-axis adjustment seat; 31. Spring 1; 32. Stopper block guide shaft mounting seat; 33. First-stage feeding cylinder ; 34, rear end hydraulic buffer; 35, primary feeding cylinder mounting plate; 36, rear end positioning block longitudinal adjustment block; 37, rear end positioning block support block; 38, spring adjustment screw; 39, spring 2; 40, front end positioning block support block; 41, guide rail positioning clamping device bottom plate; 42, front end positioning block longitudinal adjustment block; 43, front end positioning pin mounting block; 44, front end positioning pin connecting plate; 45, front end positioning pin; 46, pressure head; 47, guide rail clamping cylinder; 48, guide rail clamping cylinder mounting seat; 49, guide Rail front end positioning block; 50, rail sensor mounting plate; 51, rail sensor; 52, telescopic guide shaft; 53, rail rear end positioning block; 54, floating seat; 55, secondary feeding sensor; 56, sensor mounting plate; 57, sensor support column; 58, limit oil pressure buffer; 59, clamping claw; 60, finger cylinder; 61, finger cylinder connecting seat; 62, upper slide cylinder; 63, upper slide cylinder connecting seat; 64, lower slide cylinder; 65, stepped pin secondary feeding device base;

[0024] A. Nut; B. Washer; C. Guide rail component; D. Pulley; E. Step pin; F. Wire rope component; G. Motor mounting base; H. Wire rope component; I. Guide rail component; J. Glass bracket; K. Wire rope component; L. Glass clip assembly; M. Pulley; N. Bolt assembly; O. Glass bracket. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] See also Figures 1 to 8The present invention provides a technical solution: a guide rail rotary riveting assembly step pin and pulley device for an automobile glass lifter, comprising a device stand 4, an electrical cabinet 5 is arranged inside the device stand 4, a rotary riveting machine 1 is fixedly installed on the top of the device stand 4, the device stand 4 is arranged on the right side of the rotary riveting machine 1, a step pin feeding vibration plate 2 is placed on the right side of the device stand 4, the discharge port of the step pin feeding vibration plate 2 extends to the top of the step pin primary feeding device 3, and the bottom of the rotary riveting machine 1 is provided with a step pin secondary feeding device 11, the number of the step pin primary feeding device 3 and the step pin secondary feeding device 11 are both two, a step pin in-position sensor device 9 located in front of the step pin secondary feeding device 11 is provided at the bottom of the rotary riveting machine 1, rotary riveting point support columns 10 are provided on both sides of the step pin in-position sensor device 9, a guide rail positioning clamping device 8 is provided on the front of the rotary riveting point support column 10, a pulley oiling device 7 located on the top of the equipment stand 4 is provided on the right side of the guide rail positioning clamping device 8, and an oiling pump 6 is fixedly installed inside the rotary riveting machine 1.

[0027] The step pin primary feeding device 3 includes an auxiliary drag block 18, a primary feeding sensor mounting block 19, a primary feeding sensor 20, a pin feeding slider 21, a stop block guide shaft 22, a feeding block left limit plate 23, a feeding block right limit plate 24, a front end hydraulic buffer 25, a front end hydraulic buffer mounting plate 26, a primary feeding device mounting base 27, a primary feeding device Y-direction adjustment seat 28, a primary feeding device mounting base 27, a primary feeding device X-direction adjustment seat 30, a spring 31, a stop block guide shaft mounting seat 32, a primary feeding cylinder 33, a rear end hydraulic buffer 34, and a primary feeding cylinder mounting plate 35, wherein the primary feeding cylinder 33 drags the pin feeding slider 21 to reciprocate, and a spring 31 is provided inside the step pin limit stop block 29, and the spring is in a compressed state, and the step pin limit stop block 29 is pushed forward by the elastic force of the spring 31 to clamp the step in the transition groove. Pin E; the initial state of the device is that the first-level feeding cylinder 33 is in a retracted state, and the rear end oil pressure buffer 34 is used to buffer the impact force of the cylinder and limit the initial material receiving position of the pin feeding slider 21, and the auxiliary drag block 18 installed on the pin feeding slider 21 drives the step pin limit stop block 29 to further compress the spring, so that the transition groove is fully opened and the step pin E can pass smoothly; the vibration plate sends the step pin into the positioning groove in the pin feeding slider 21, and after the first-level feeding sensor 20 senses that the step pin E is in place, the first-level feeding cylinder 33 pushes the pin feeding slider 21 to extend to the specified position, and the front end oil pressure buffer 25 buffers the impact force of the cylinder and limits the feeding position; at this time, the limit pin feeding slider 21 loses the compression force provided by the first-level feeding cylinder 33, and is pushed forward by the spring 1 31, pressing the step pin E in the transition groove, thereby realizing the step pin E feeding stop function.

[0028] A front end positioning pin connecting plate 44 is arranged on the front side of the rivet point support column 10, a front end positioning pin mounting block 43 is arranged on the top of the front end positioning pin connecting plate 44, a guide rail component I is placed on the top of the rivet point support column 10, a front end positioning pin 45 is threadedly connected to the top of the front end positioning pin mounting block 43, and the guide rail component I is fixed to the rivet point support column 10 through the front end positioning pin 45.

[0029] The shape of the step pin in place sensor device 9 is T-shaped, and the step pin in place sensor device 9 includes a sensor support column 57, a sensor mounting plate 56 is arranged on the top of the sensor support column 57, and a secondary feeding sensor 55 is arranged on the top of the sensor mounting plate 56.

[0030] The guide rail positioning and clamping device 8 includes a rear end positioning block longitudinal adjustment block 36, a rear end positioning block support block 37, a spring adjustment screw 38, a spring 39, a front end positioning block support block 40, a guide rail positioning and clamping device bottom plate 41, a front end positioning block longitudinal adjustment block 42, a pressure head 46, a guide rail clamping cylinder 47, a guide rail clamping cylinder mounting seat 48, a guide rail front end positioning block 49, a guide rail sensor mounting plate 50, a guide rail sensor 51, a telescopic guide shaft 52, a guide rail rear end positioning block 53, and a floating seat 54, wherein the guide rail front end positioning block 49 and the guide rail rear end positioning block 53 The front end positioning pin 45 constitutes a guide rail positioning mechanism to ensure that the riveting plane of the guide rail component I is parallel to the bottom surface of the step pin E, and to ensure that the gap between the pulley D and the guide rail contact surface after riveting meets the process requirements. The guide rail rear end positioning block 53 is adjusted by a spring 2 39 for floating adjustment, so as to eliminate the problem of increased curvature deviation caused by the guide rail stamping, and its purpose is also to ensure that the riveting plane of the guide rail component I is parallel to the bottom surface of the step pin E, and the spring adjustment screw 38 is used to adjust the elastic force of the spring 2 39, so as to meet the elastic force that can just support the guide rail component I from swinging when the guide rail clamping cylinder 47 is not clamped, and the guide rail rear end positioning block 53 can float to a suitable positioning position when the guide rail clamping cylinder 47 is pressed downward. When the guide rail component I is placed in the guide rail positioning clamping device 8, the guide rail sensor 51 senses that the guide rail clamping cylinder 47 moves downward after the guide rail component I, and clamps the guide rail.

[0031] The step pin secondary feeding device 11 includes a limited position oil pressure buffer 58, a clamp 59, a finger cylinder 60, a finger cylinder connecting seat 61, an upper slide cylinder 62, an upper slide cylinder connecting seat 63, a lower slide cylinder 64, and a step pin secondary feeding device base 65, wherein the lower slide cylinder 64 moves to the right position, at which time the upper slide cylinder 62 extends, and the finger cylinder 60 opens to clamp the step pin E from the step pin primary feeding device 3; then the upper slide cylinder 62 retracts, the lower slide cylinder 64 moves to the left position, the upper slide cylinder 62 extends, the finger cylinder 60 places the step pin E on the rivet point support column 10, and the upper slide cylinder 62 retracts to complete the automatic feeding of the step pin E. After the feeding is completed, the lower slide cylinder 64 moves to the right position to clamp a step pin E from the step pin first-level feeding device 3 again, waiting for the next feeding, thereby reducing the feeding time.

[0032] The pulley oiling device 7 includes an oiling head 17 and an equipment table 12. The oiling head 17 is fixedly installed on the equipment table 12. D is placed on the top of the oiling head 17. A sensor positioning plate 14 is fixedly installed on the top of the equipment table 12. A left sensor 13 and a right sensor 15 are fixedly installed on the top of the sensor positioning plate 14. After two pulleys D are placed on the oiling head 17 at the same time, the left sensor 13 and the right sensor 15 simultaneously sense the presence of pulley D and automatically complete the oiling action of the two pulleys.

[0033] In summary, the guide rail riveting assembly step pin and pulley equipment of the automobile window lifter, when in use, the equipment automatically feeds the step pin E to the riveting point support column 10, and then puts the two pulleys D on the oiling head 17 to complete automatic oiling, and then puts the oiled pulley D on the step pin E in the riveting point support column 10, and then the worker puts the guide rails into the left and right guide rail positioning clamping devices 8 respectively, and presses the start button at the same time, the riveting machine starts and the riveting head runs downward to complete the riveting, then the rivet head is reset, the clamping cylinder is reset, and finally the worker removes the completed workpiece.

[0034] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for riveting and assembling step pins and pulleys for guide rails of automobile window lifters, comprising a device stand (4), characterized in that: An electrical cabinet (5) is arranged inside the equipment stand (4), a rotary riveting machine (1) is fixedly installed on the top of the equipment stand (4), a stepped pin feeding vibration plate (2) is arranged on the right side of the rotary riveting machine (1), the discharge port of the stepped pin feeding vibration plate (2) extends to the top of the stepped pin primary feeding device (3), a stepped pin secondary feeding device (11) is arranged at the bottom of the rotary riveting machine (1), and the number of the stepped pin primary feeding devices (3) and the stepped pin secondary feeding devices (11) are both There are two, the bottom of the rotary riveting machine (1) is provided with a step pin in-position sensor device (9) located in front of the step pin secondary feeding device (11), the two sides of the step pin in-position sensor device (9) are provided with rotary riveting point support columns (10), the front of the rotary riveting point support columns (10) is provided with a guide rail positioning clamping device (8), the right side of the guide rail positioning clamping device (8) is located on the top of the equipment stand (4), and an oil injection pump (6) is fixedly installed inside the rotary riveting machine (1); The step pin primary feeding device (3) comprises an auxiliary drag block (18), a primary feeding sensor mounting block (19), a primary feeding sensor (20), a pin feeding slider (21), a stop block guide shaft (22), a feeding block left limit plate (23), a feeding block right limit plate (24), a front end hydraulic buffer (25), a front end hydraulic buffer mounting plate (26), a primary feeding device mounting base (27), a primary feeding device Y-direction adjustment base (28), and a step pin limit stop block (29). , a first-stage feeding device X-axis adjustment seat (30), a spring 1 (31), a stop block guide shaft mounting seat (32), a first-stage feeding cylinder (33), a rear-end hydraulic buffer (34), and a first-stage feeding cylinder mounting plate (35), wherein the first-stage feeding cylinder (33) drags the pin feeding slider (21) to reciprocate, and a spring 1 (31) in a compressed state is provided inside the step pin limit stop block (29), and the step pin limit stop block (29) is pushed forward by the elastic force of the spring 1 (31), thereby clamping the step pin limit stop block (29) in an over-limit state. The step pin (E) in the transition groove is arranged; the initial state of the device is that the first-stage feeding cylinder (33) is in a retracted state, the rear-end hydraulic buffer (34) is used to buffer the impact force of the cylinder and limit the initial receiving position of the pin feeding slider (21), and the auxiliary drag block (18) installed on the pin feeding slider (21) drives the step pin limit stop block (29) to further compress the spring, so that the transition groove is fully opened and the step pin (E) can pass smoothly; the vibration plate sends the step pin into the pin feeding slider (21) In the positioning groove, after the first-stage feeding sensor (20) senses that the step pin (E) is in place, the first-stage feeding cylinder (33) pushes the pin feeding slider (21) to extend to the specified position, and the front-end oil pressure buffer (25) buffers the impact force of the cylinder and limits the feeding position; at this time, the limit pin feeding slider (21) loses the compression force provided by the first-stage feeding cylinder (33), and is pushed forward by the spring 1 (31), pressing the step pin (E) in the transition groove, thereby realizing the step pin (E) feeding stop function; A front end positioning pin connecting plate (44) is arranged on the front side of the rotary riveting point support column (10), a front end positioning pin mounting block (43) is arranged on the top of the front end positioning pin connecting plate (44), a guide rail component (I) is placed on the top of the rotary riveting point support column (10), a front end positioning pin (45) is threadedly connected to the top of the front end positioning pin mounting block (43), and the guide rail component (I) is fixed to the rotary riveting point support column (10) via the front end positioning pin (45).

2. The guide rail rotary riveting assembly step pin and pulley device of the automobile window lifter according to claim 1, characterized in that: The stepped pin in place sensor device (9) is in a T-shape and comprises a sensor support column (57), a sensor mounting plate (56) is arranged on the top of the sensor support column (57), and a secondary feeding sensor (55) is arranged on the top of the sensor mounting plate (56).

3. The guide rail rotary riveting assembly step pin and pulley device of the automobile window lifter according to claim 1, characterized in that: The guide rail positioning and clamping device (8) comprises a rear end positioning block longitudinal adjustment block (36), a rear end positioning block support block (37), a spring adjustment screw (38), a second spring (39), a front end positioning block support block (40), a guide rail positioning and clamping device bottom plate (41), a front end positioning block longitudinal adjustment block (42), a pressure head (46), a guide rail clamping cylinder (47), a guide rail clamping cylinder mounting seat (48), a guide rail front end positioning block (49), a guide rail sensor mounting plate (50), a guide rail sensor (51), a telescopic guide shaft (52), a guide rail rear end positioning block (53), and a floating seat (54), wherein the guide rail front end positioning block (49), the guide rail rear end positioning block (53) and the front end positioning pin (45) form a guide rail positioning mechanism to ensure that the riveting plane of the guide rail component (I) is parallel to the bottom surface of the stepped pin (E), thereby ensuring that the riveting The clearance between the contact surface of the rear pulley (D) and the guide rail meets the process requirements; wherein the guide rail rear end positioning block (53) adopts spring 2 (39) for floating adjustment, thereby eliminating the problem of increased arc deviation caused by the stamping of the guide rail, and its purpose is also to ensure that the riveting plane of the guide rail component (I) is parallel to the bottom surface of the stepped pin (E), and the spring adjustment screw (38) is used to adjust the elastic force of spring 2 (39), thereby ensuring that the elastic force can just support the guide rail component (I) from swinging when the guide rail clamping cylinder (47) is not clamped, and the guide rail rear end positioning block (53) can float to a suitable positioning position when the guide rail clamping cylinder (47) is pressed downward; when the guide rail component (I) is placed in the guide rail positioning clamping device (8), the guide rail sensor (51) senses that the guide rail clamping cylinder (47) moves downward after the guide rail component (I), thereby clamping the guide rail.

4. The guide rail rotary riveting assembly step pin and pulley device of the automobile window lifter according to claim 1, characterized in that: The step pin secondary feeding device (11) comprises a limited hydraulic buffer (58), a clamp (59), a finger cylinder (60), a finger cylinder connecting seat (61), an upper slide cylinder (62), an upper slide cylinder connecting seat (63), a lower slide cylinder (64), and a step pin secondary feeding device base (65), wherein the lower slide cylinder (64) moves to the right position, at which time the upper slide cylinder (62) extends, and the finger cylinder (60) opens to clamp the step pin from the step pin primary feeding device (3). pin (E); then the upper slide cylinder (62) retracts, the lower slide cylinder (64) moves to the left position, the upper slide cylinder (62) extends, the finger cylinder (60) places the step pin (E) on the rivet point support column (10), and the upper slide cylinder (62) retracts to complete the automatic feeding of the step pin (E); after the feeding is completed, the lower slide cylinder (64) moves to the right position to clamp another step pin (E) from the step pin first-level feeding device (3) and wait for the next feeding, thereby reducing the feeding time.

5. The guide rail rotary riveting assembly step pin and pulley device of the automobile window lifter according to claim 1, characterized in that: The pulley oiling device (7) comprises an oiling head (17) and an equipment table (12), wherein the oiling head (17) is fixedly mounted on the equipment table (12), a pulley (D) is placed on the top of the oiling head (17), a sensor positioning plate (14) is fixedly mounted on the top of the equipment table (12), and a left sensor (13) and a right sensor (15) are fixedly mounted on the top of the sensor positioning plate (14), wherein after two pulleys (D) are placed on the oiling head (17) at the same time, the left sensor (13) and the right sensor (15) simultaneously sense the presence of the pulleys (D) and automatically complete the oiling action of the two pulleys.

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