A multi-station composite automatic assembly and shrinking device for shaft sealing rings

Abstract

The present invention discloses a multi-station composite automatic assembly and shrinking device for a shaft sealing ring, comprising a sealing ring feeding system and a workpiece feeding system, wherein the workpiece feeding system comprises a turntable, an up-and-down movable pad, a rotary cylinder and a clamping cylinder 1, a workpiece material rod is arranged in the circumferential direction of the turntable, a workpiece is arranged on the workpiece material rod, the up-and-down movable pad is located on one side of the turntable, the clamping cylinder 1 is arranged on the rotary cylinder, and the rotary cylinder is fixed on the up-and-down movable pad, the sealing ring feeding system comprises a workpiece support, a material rod, an upper sliding plate, a feeding plate and a lower sliding plate, the material rod is installed on the bracket, the lower end of the material rod corresponds to the feeding plate, the upper sliding plate is located below the feeding plate, the upper sliding plate is arranged on the lower sliding plate, and the lower end of the bracket is fixed on the lower sliding plate; the structural design is ingenious, and has the automatic assembly and shrinking functions of multiple sealing rings of shaft parts, no manual operation is required, labor is saved, and work efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of shaft sealing ring assembly, in particular to a multi-station composite automatic assembly and shrinking device for shaft sealing rings. Background Art

[0002] A sealing ring of a shaft part in a hydraulic steering gear of an automobile is assembled manually. Since a single part needs to be manually assembled and multiple sealing rings need to be contracted at the same time, the operating efficiency is extremely low; Chinese patent application No. 202310418969.X discloses a sealing ring assembly device, including a frame and an assembly mechanism. The frame is provided with a first station and a second station. The first station is used to place the sealing ring, and the second station is used to place the workpiece to be assembled. The lateral moving component is used to drive the assembly component to move lateraly, and the longitudinal moving component is used to drive the assembly component to move longitudinally. The equipment is mainly used for assembling sealing rings on bolts. The sealing ring on the feeding device is automatically unloaded and detached and sleeved on the workpiece to be assembled through the unloading device. The assembly method is simple. The sealing ring is sleeved on the workpiece by gravity, which is completely unsuitable for the assembly of shaft sealing rings. There are often multiple sealing rings on the shaft, and the positions are different. The sealing ring needs to be tightly held in the groove of the workpiece. The equipment cannot meet the assembly requirements of shaft sealing rings.

[0003] Chinese patent application No. 202020139611.5 discloses a gearbox sealing ring assembly tool, which relates to the field of sealing ring assembly, including an assembly tool body, the assembly tool body including a sleeve, the bottom surface of the sleeve is axially provided with a cavity, and the cavity is configured with the shape of the gearbox main shaft; a mounting groove is provided on the end surface of the sleeve and axially connected with the cavity, and a movable block passes through the mounting groove and can axially limit the gearbox main shaft in the cavity. Multiple sealing rings on the gearbox main shaft can be assembled by one assembly tool. The tool is only suitable for assembling sealing rings on the gearbox, requires manual operation, and is inefficient.

[0004] Chinese patent application No. 201721546723.7 discloses an automatic sealing ring assembly machine, including a workbench, on which a vibrating material tray, a bracket and a mounting plate are provided, a first cylinder and a transfer plate are fixedly connected to the bracket, a clamping member is provided on the piston rod of the first cylinder, and the vibrating material tray is connected to the transfer plate through a conveying channel. It is impossible to install sealing rings at different positions of the workpiece, cannot meet the installation of multiple sealing rings on the workpiece, has no shrinking function, and requires manual placement of the workpiece; it is unable to meet the needs of actual use, so there is an urgent need for improved technology on the market to solve the above problems. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the existing defects and provide a multi-station composite automatic assembly and shrinking equipment for shaft sealing rings. The structure is cleverly designed and has the functions of automatic assembly and shrinking of multiple sealing rings of shaft parts. It does not require manual operation, saves labor, improves work efficiency, and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multi-station composite automatic assembly and shrinking device for a shaft sealing ring, including a sealing ring feeding system and a workpiece feeding system, the workpiece feeding system including a turntable, an up-and-down movable pad, a rotary cylinder and a clamping cylinder 1, a workpiece material rod is arranged in the circumferential direction of the turntable, a workpiece is arranged on the workpiece material rod, the up-and-down movable pad is located on one side of the turntable, the clamping cylinder 1 is arranged on the rotary cylinder, and the rotary cylinder is fixed on the up-and-down movable pad, the sealing ring feeding system includes a workpiece support, a material rod, an upper sliding plate, a feeding plate and a lower sliding plate, the material rod is installed on the bracket, the lower end of the material rod corresponds to the feeding plate, and the upper sliding plate The movable plate is located below the feeding plate, the upper sliding plate is arranged on the lower sliding plate, the lower end of the bracket is fixed on the lower sliding plate, the upper center hole of the workpiece support is provided with a guide rod, the upper end of the guide rod is passed through a guide sleeve, and the bent plate on the left side of the bracket is provided with cylinder three and a pressure head cylinder in sequence, the telescopic end of cylinder three is connected with a three-claw cylinder, the telescopic end of the pressure head cylinder is connected with a guide pressure plate, a boss is provided on the lower surface of the guide pressure plate, a pressure head is provided on the boss, the diameter of the pressure head decreases from top to bottom, the pressure head is composed of 4 independent pressure head plates, the pressure head is clamped on the boss, a tightening groove is provided on the surface of the pressure head plate, a tightening ring is provided on the tightening groove, and the pressure head is pressed on the guide sleeve.

[0007] Furthermore, a base plate 1 is provided below the lower sliding plate, and the base plate 1 is installed on the frame of the equipment. A linear guide slider 1 is provided on the upper surface of the base plate 1, and the lower sliding plate is fixed on the linear guide slider 1. Limit blocks and a cylinder bracket 1 are respectively provided at the left and right ends of the linear guide slider 1, and a limit pin is provided on the cylinder bracket 1. A cylinder connecting block 1 is provided on the lower surface of the lower sliding plate, and a cylinder 1 is provided on the cylinder bracket 1. The telescopic end of the cylinder 1 is fixedly connected to the cylinder connecting block 1. A linear guide slider 2 is provided on the upper surface of the lower sliding plate, and the upper sliding plate is fixedly connected to the linear guide slider 2. A cylinder 2 is provided on the cylinder bracket 2 on the right side of the upper surface of the lower sliding plate, and the telescopic end of the cylinder 2 is fixedly connected to the cylinder connecting block 2 on the lower surface of the upper sliding plate. A double-rod cylinder is provided on the upper surface of the upper sliding plate, and the telescopic end of the double-rod cylinder is fixedly connected to the feeding plate, and a U-shaped blanking groove is provided at the left end of the upper sliding plate.

[0008] Furthermore, a servo motor module bracket is arranged on the left side of the lower surface of the base plate, a servo motor module is arranged on the servo motor module bracket, an axial positioning rod is arranged on the slider of the servo motor module, and the upper end of the axial positioning rod corresponds to the center hole of the workpiece support.

[0009] Furthermore, a base is provided below the turntable, a transmission screw is provided in the vertical direction on the upper surface of the base, a transmission motor is provided at the lower end of the transmission screw, a slider on the transmission screw is fixedly connected to the up and down moving pads, an induction bracket is provided on the base, a workpiece optical fiber induction is provided on the induction bracket, the workpiece is sensed through the workpiece optical fiber induction, a rotary motor and a reducer are provided on the base, and the turntable is fixedly connected to the output end of the reducer.

[0010] Furthermore, it also includes a workpiece position conversion system, which includes a base plate 2, a position conversion plate and a horizontal moving plate. The horizontal moving plate is connected to the horizontal slide block on the base plate 2. A horizontal cylinder is arranged on the base plate 2. The telescopic end of the horizontal cylinder is connected to the horizontal moving plate. The position conversion plate is connected to the vertical slide block on the horizontal moving plate. A conversion cylinder is arranged on the horizontal moving plate. The telescopic end of the conversion cylinder is connected to the position conversion plate. A clamping jaw assembly is arranged on the position conversion plate. The clamping jaw assembly includes a clamping cylinder 2 and a clamping jaw 2.

[0011] Furthermore, the clamping jaw assembly is arranged into five groups, the height of the clamping jaw assembly increases from right to left, a fixed pad is arranged on the position conversion plate, and the clamping cylinder 2 is fixed on the fixed pad.

[0012] Furthermore, it also includes a workpiece sealing ring shrinkage system, which includes a shrinkage bracket, a shrinkage ring and a shrinkage pressure head. The shrinkage pressure head corresponds to the shrinkage ring up and down. The shrinkage ring is fixed on the support plate at the lower end of the shrinkage bracket. A shrinkage cylinder is provided on the shrinkage bracket. The telescopic end of the shrinkage cylinder is connected to the shrinkage pressure head. A workpiece pushing channel is provided below the shrinkage pressure head.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The structure is cleverly designed and has the functions of automatic assembly and contraction of multiple sealing rings of shaft parts. It does not require manual operation, saves labor and improves work efficiency.

[0015] 2. The equipment is divided into a sealing ring feeding system, a workpiece sealing ring shrinking system, a workpiece position conversion system and a workpiece feeding system to realize automatic loading of workpieces and sealing rings, and the workstation switching is realized through the workpiece position conversion system to meet the assembly of sealing rings in different positions.

[0016] 3. The pressure head uses 4 independent pressure head plates. When the pressure head is subjected to outward pressure, the pressure head undergoes slight deformation. This design can better cooperate with the guide sleeve, so that the inner surface of the pressure head is close to the outer surface of the guide sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the present invention;

[0018] Figure 2 This is an axonometric diagram of the present invention;

[0019] Figure 3 This is a schematic diagram of the front view structure of the workpiece feeding system of the present invention;

[0020] Figure 4 This is an axonometric view of the workpiece feeding system of the present invention;

[0021] Figure 5 This is a front view structural schematic diagram of the sealing ring feeding system of the present invention;

[0022] Figure 6 Axonometric measurement of the sealing ring feeding system of the present invention Figure 1 ;

[0023] Figure 7 It is a front view structural schematic diagram of the workpiece position conversion system of the present invention;

[0024] Figure 8 It is an axonometric diagram of the workpiece position conversion system of the present invention;

[0025] Fig. 9 It is a front view structural schematic diagram of the workpiece sealing ring shrinking system of the present invention;

[0026] Fig.10 It is an axonometric view of the workpiece sealing ring shrinking system of the present invention;

[0027] Fig.11 It is a schematic diagram of the pressure head structure of the present invention;

[0028] Fig.12 It is a schematic diagram of a pressure head with a tightening ring of the present invention;

[0029] Fig.13 It is a schematic diagram of the workpiece structure of the present invention;

[0030] Fig.14 This is a schematic diagram of the pressure head of the present invention pressing into the sealing ring;

[0031] Fig.15 Axonometric measurement of the sealing ring feeding system of the present invention Figure 2 .

[0032] In the figure: 1 sealing ring feeding system, 2 workpiece sealing ring contraction system, 3 workpiece position conversion system, 4 workpiece feeding system, 5 workpiece pushing out material channel, 6 base, 7 reducer, 8 turntable, 9 workpiece, 10 workpiece material rod, 11 clamping cylinder 1, 12 rotary cylinder, 13 up and down moving pad, 14 transmission screw, 15 workpiece optical fiber induction, 16 transmission motor, 17 induction bracket, 18 rotary motor, 19 clamping claw 1, 20 position optical fiber induction, 21 position induction bracket, 22 bottom plate 1, 23 cylinder 1, 24 cylinder 2, 25 double rod cylinder, 26 upper sliding plate, 27 feeding plate, 28 bracket, 29 material rod, 30 bending plate, 31 cylinder 3, 32 three-claw cylinder, 33 pressure head cylinder, 34 pressure head, 35 guide sleeve, 36 guide rod, 37 workpiece support, 38 axial positioning rod, 39 servo motor module bracket, 40 servo motor module, 41 limit block, 42 ​​lower base plate, 43 linear guide slider 1, 44 cylinder connecting block 1, 45 lower sliding plate, 46 linear guide slider 2, 47 cylinder connecting block 2, 48 cylinder bracket 1, 49 cylinder bracket 2, 50 limit pin, 51 base plate 2, 52 horizontal cylinder, 53 position conversion plate, 54 horizontal slide slider, 55 vertical slide slider, 56 horizontal moving plate, 57 conversion cylinder, 58 clamping cylinder 2, 59 clamping claw 2, 60 fixed pad, 61 shrink ring, 62 shrink bracket, 63 shrink pressure head, 64 shrink cylinder, 65 guide pressure plate, 66 boss, 67 pressure head plate, 68 tightening groove, 69 tightening ring, 70 U-shaped blanking trough. DETAILED DESCRIPTION

[0033] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0034] See also Figure 1-15The present invention provides a technical solution: a multi-station composite automatic assembly shrinking device for a shaft sealing ring, comprising a sealing ring feeding system 1 and a workpiece feeding system 4, the workpiece feeding system 4 comprising a turntable 8, an up-and-down moving pad 13, a rotary cylinder 12 and a clamping cylinder 11, a workpiece material rod 10 is arranged in the circumferential direction of the turntable 8, a workpiece 9 is arranged on the workpiece material rod 10, the up-and-down moving pad 13 is located on one side of the turntable 8, the clamping cylinder 11 is arranged on the rotary cylinder 12, and the rotary cylinder 12 is fixed on the up-and-down moving pad 13, the sealing ring feeding system 1 comprises a workpiece support 37, a material rod 29, The upper sliding plate 26, the feed plate 27 and the lower sliding plate 45, the material rod 29 are installed on the bracket 28, the lower end of the material rod 29 corresponds to the feed plate 27, the upper sliding plate 26 is located below the feed plate 27, the upper sliding plate 26 is arranged on the lower sliding plate 45, the lower end of the bracket 28 is fixed on the lower sliding plate 45, the upper end center hole of the workpiece support 37 is provided with a guide rod 36, when assembled, the workpiece 9 is sleeved on the workpiece support 37, the centers of the workpiece 9, the guide rod 36, the workpiece support 37, and the guide sleeve 35 are in the same straight line, the upper end of the guide rod 36 is penetrated with the guide sleeve 35, and the guide rod 36 plays a role in guiding the guide sleeve 35 The upper end of the guide sleeve 35 is a closing structure, and the sealing ring falls on the guide sleeve 35 from the upper end of the guide sleeve 35. The cylinder three 31 and the pressure head cylinder 33 are sequentially arranged on the bent plate 30 on the left side of the bracket 28. The telescopic end of the cylinder three 31 is connected with the three-claw cylinder 32, and the three-claw cylinder 32 is used to clamp the guide sleeve 35. The telescopic end of the pressure head cylinder 33 is connected with a guide pressure plate 65. The lower surface of the guide pressure plate 65 is provided with a boss 66, and the boss 66 is provided with a pressure head 34. The diameter of the pressure head 34 decreases from top to bottom. The pressure head 34 is a movable structure. When the lower end of the pressure head 34 is subjected to force, it will open in the circumferential direction. Specifically, the pressing head 34 is composed of four independent pressing head plates 67. The pressing head 34 is clamped on the boss 66. The surface of the pressing head plate 67 is provided with a tightening groove 68, and the tightening groove 68 is provided with a tightening ring 69. The pressing head 34 is pressed on the guide sleeve 35. The pressing head 34 is worn on the guide sleeve 35 for press-fitting. When the pressing head 34 is subjected to outward pressure, the pressing head 34 is slightly deformed. Such a design can better cooperate with the guide sleeve 35, so that the inner surface of the pressing head 34 is close to the outer surface of the guide sleeve 35. The guide sleeve 35 plays a guiding role. The guide sleeve 35 guides the sealing ring to the workpiece 9, and the pressing head 34 presses the sealing ring into the groove of the workpiece 9.

[0035] A bottom plate 22 is provided below the lower sliding plate 45, and the bottom plate 22 is mounted on the frame of the equipment. A linear guide slider 43 is provided on the upper surface of the bottom plate 22, and the lower sliding plate 45 is fixed on the linear guide slider 43. Limit blocks 41 and cylinder bracket 48 are respectively provided at the left and right ends of the linear guide slider 43. The limit block 41 mainly plays a role in accurately positioning the left side of the lower sliding plate 45. A limit pin 50 is provided on the cylinder bracket 48, and the limit pin 50 plays a role in accurately positioning the right side. A cylinder connecting block 44 is provided on the lower surface of the lower sliding plate 45, and a cylinder 23 is provided on the cylinder bracket 48. The telescopic end of the cylinder 23 is fixedly connected to the cylinder connecting block 44. The cylinder 23 pushes the lower sliding plate 45 and the above components to move, so as to realize the movement of the press-fitting work. A linear guide slider 46 is provided on the upper surface of the lower sliding plate 45, and the upper sliding The plate 26 is fixedly connected to the linear guide slider 246, and a cylinder 24 is arranged on the cylinder bracket 249 on the right side of the upper surface of the lower sliding plate 45. The telescopic end of the cylinder 24 is fixedly connected to the cylinder connecting block 247 on the lower surface of the upper sliding plate 26. A double-rod cylinder 25 is arranged on the upper surface of the upper sliding plate 26, and the telescopic end of the double-rod cylinder 25 is fixedly connected to the feeding plate 27. A U-shaped blanking groove 70 is provided at the left end of the upper sliding plate 26. The cylinder 24 pushes the upper sliding plate 26 to move to the left, so that the upper end of the guide sleeve 35 is located in the U-shaped blanking groove 70, and the double-rod cylinder 25 pushes the feeding plate 27 to move. The sealing ring in the circular hole of the feeding plate 27 falls on the guide sleeve 35 under the action of gravity, thereby realizing automatic feeding of the sealing ring. Specifically, a circular hole is arranged on the feeding plate 27 corresponding to the U-shaped blanking groove 70, and the lower end of the feeding rod 29 corresponds to the circular hole. The movement of the feeding plate 27 can move the sealing ring.

[0036] A servo motor module bracket 39 is provided on the left side of the lower surface of the base plate 22, and a servo motor module 40 is provided on the servo motor module bracket 39. An axial positioning rod 38 is provided on the slider of the servo motor module 40. The upper end of the axial positioning rod 38 corresponds to the central hole of the workpiece support 37. The servo motor module 40 drives the axial positioning rod 38 to move, and supports the guide rod 36 to move. According to different sealing ring position requirements, the servo motor module 40 moves to different positions to meet the use requirements and improve the practicality of the device.

[0037] A base 6 is provided below the turntable 8, and a transmission screw 14 is provided in the vertical direction on the upper surface of the base 6. A transmission motor 16 is provided at the lower end of the transmission screw 14. The slider on the transmission screw 14 is fixedly connected to the up and down moving pad 13. An induction bracket 17 is provided on the base 6. A workpiece optical fiber induction 15 is provided on the induction bracket 17. The workpiece 9 is sensed by the workpiece optical fiber induction 15. If there is no workpiece 9, a signal is sent, and the rotary motor 18 drives the turntable 8 to rotate, and the transmission motor 16 is started. The transmission screw 14 drives the up and down moving pad 13 to clamp the workpiece 9, and the rotary cylinder 12 drives the workpiece 9 to be placed in a fixed position. The fixed position is the position of the workpiece support 37 set on the equipment frame, which is used for initially placing the workpiece to facilitate the clamping of the second clamp 59 and switch to the next workpiece support 37 for assembly. A rotary motor 18 and a reducer 7 are provided on the base 6, and the turntable 8 is fixedly connected to the output end of the reducer 7.

[0038] The workpiece position conversion system 3 includes a bottom plate 51, a position conversion plate 53 and a horizontal moving plate 56. The horizontal moving plate 56 is connected to the horizontal slide block 54 on the bottom plate 51. The bottom plate 51 is fixed to the front side of the equipment frame. A horizontal cylinder 52 is arranged on the bottom plate 51. The telescopic end of the horizontal cylinder 52 is connected to the horizontal moving plate 56. The position conversion plate 53 is connected to the vertical slide block 55 on the horizontal moving plate 56. A conversion cylinder 57 is arranged on the horizontal moving plate 56. The telescopic end of the conversion cylinder 57 is connected to the position conversion plate 53. The horizontal cylinder 52 can realize the horizontal movement of the position conversion plate 53, and the conversion cylinder 57 can realize the vertical movement of the position conversion plate 53. A clamping jaw assembly is arranged on the position conversion plate 53, and the clamping jaw assembly includes a clamping cylinder 58 and a clamping jaw 59. The clamping cylinder 58 can clamp the workpiece 9 through the clamping jaw 59. The workpiece 9 is located on the workpiece support 37 and is clamped by the clamping jaw 59 to realize the switching of the workpiece 9 on the workpiece support 37. The movement of the clamping jaw assembly is realized by the horizontal cylinder 52 and the conversion cylinder 57, thereby realizing the switching of the workstation.

[0039] The jaw assembly is arranged in five groups, and the height of the jaw assembly increases from right to left. A fixed pad 60 is arranged on the position conversion plate 53, and the clamping cylinder 2 58 is fixed on the fixed pad 60. The position height of the fixed pad 60 increases successively, thereby realizing the axial positioning of the sealing ring at different positions.

[0040] The workpiece sealing ring shrinking system 2 includes a shrinking bracket 62, a shrinking ring 61 and a shrinking pressure head 63. The shrinking pressure head 63 corresponds to the shrinking ring 61 up and down. The shrinking ring 61 is fixed on the support plate at the lower end of the shrinking bracket 62. A shrinking cylinder 64 is provided on the shrinking bracket 62. The telescopic end of the shrinking cylinder 64 is connected to the shrinking pressure head 63. A workpiece ejection channel 5 is provided below the shrinking pressure head 63. After the workpiece is assembled with the sealing ring, the workpiece position conversion system 3 transfers the assembled workpiece to the top of the shrinking ring 61, and the shrinking cylinder 64 presses down to pass through the cavity of the shrinking ring 61 to realize the shrinkage of the sealing ring, and then falls on the workpiece ejection channel 5 to realize the discharge.

[0041] Working principle: after the workpiece feeding system 4 recognizes that there is a workpiece to be assembled with a sealing ring in the workpiece material rod 10, it starts to work automatically, and the workpiece feeding system 4 transfers the workpiece 9 to be assembled with the sealing ring to the first workpiece support 37 on the frame; the workpiece position conversion system 3 is started synchronously, and the workpiece 9 to be assembled with the sealing ring is transferred to the first station of the sealing ring feeding system 1, at this time the sealing ring feeding system 1 is started, and the automatic assembly of the first sealing ring is completed; the workpiece position conversion system 3 transfers the workpiece 9 on which the first sealing ring has been assembled to the second station, and completes the assembly of the second sealing ring; and so on, until the assembly of all sealing rings is completed, the workpiece position conversion system 3 transfers the workpiece 9 on which the sealing ring has been assembled to the workpiece sealing ring shrinking system 2; the workpiece sealing ring shrinking system 2 is started, the shrinkage of the sealing ring is completed, and the completed workpiece 9 is pushed out from the workpiece pushing channel 5.

[0042] The basic principles, main features and advantages of the present invention are shown and described above. Without departing from the spirit and scope of the present invention, the present invention may also be subject to various changes and improvements, which all fall within the scope of the present invention to be protected.

Claims

1. A multi-station composite automatic assembly and shrinking device for a shaft sealing ring, comprising a sealing ring feeding system (1) and a workpiece feeding system (4), characterized in that: The workpiece feeding system (4) comprises a turntable (8), an up-and-down movable pad (13), a rotary cylinder (12) and a clamping cylinder (11). A workpiece material rod (10) is arranged in the circumferential direction of the turntable (8), a workpiece (9) is arranged on the workpiece material rod (10), the up-and-down movable pad (13) is located on one side of the turntable (8), the clamping cylinder (11) is arranged on the rotary cylinder (12), and the rotary cylinder (12) is fixed on the up-and-down movable pad. (13), the sealing ring feeding system (1) comprises a workpiece support (37), a material rod (29), an upper sliding plate (26), a feeding plate (27) and a lower sliding plate (45), the material rod (29) is mounted on the bracket (28), the lower end of the material rod (29) corresponds to the feeding plate (27), the upper sliding plate (26) is located below the feeding plate (27), the upper sliding plate (26) is arranged on the lower sliding plate (45), and the lower end of the bracket (28) is arranged on the lower sliding plate (45). The end is fixed on the lower sliding plate (45), the upper center hole of the workpiece support (37) is provided with a guide rod (36), the upper end of the guide rod (36) is penetrated by a guide sleeve (35), the bent plate (30) on the left side of the bracket (28) is provided with a cylinder three (31) and a pressure head cylinder (33) in sequence, the telescopic end of the cylinder three (31) is connected to the three-claw cylinder (32), the telescopic end of the pressure head cylinder (33) is connected to the guide pressure plate (65), and the guide pressure plate A boss (66) is provided on the lower surface of (65), a pressure head (34) is provided on the boss (66), the diameter of the pressure head (34) decreases from top to bottom, the pressure head (34) is composed of four independent pressure head plates (67), the pressure head (34) is clamped on the boss (66), a tightening groove (68) is provided on the surface of the pressure head plate (67), a tightening ring (69) is provided on the tightening groove (68), and the pressure head (34) is pressed on the guide sleeve (35).

2. The multi-station composite automatic assembly and shrinking equipment for shaft sealing rings according to claim 1 is characterized in that: A bottom plate (22) is provided below the lower sliding plate (45), the bottom plate (22) is mounted on the frame of the equipment, a linear guide slider (43) is provided on the upper surface of the bottom plate (22), the lower sliding plate (45) is fixed on the linear guide slider (43), a limit block (41) and a cylinder bracket (48) are provided at both ends of the linear guide slider (43), a limit pin (50) is provided on the cylinder bracket (48), a cylinder connecting block (44) is provided on the lower surface of the lower sliding plate (45), a cylinder (23) is provided on the cylinder bracket (48), and the telescopic end of the cylinder (23) is connected to the cylinder. A cylinder connecting block 1 (44) is fixedly connected, a linear guide slider 2 (46) is arranged on the upper surface of the lower sliding plate (45), the upper sliding plate (26) is fixedly connected to the linear guide slider 2 (46), a cylinder 2 (24) is arranged on a cylinder bracket 2 (49) on the right side of the upper surface of the lower sliding plate (45), the telescopic end of the cylinder 2 (24) is fixedly connected to the cylinder connecting block 2 (47) on the lower surface of the upper sliding plate (26), a double-rod cylinder (25) is arranged on the upper surface of the upper sliding plate (26), the telescopic end of the double-rod cylinder (25) is fixedly connected to the feeding plate (27), and a U-shaped blanking groove (70) is opened at the left end of the upper sliding plate (26).

3. The multi-station composite automatic assembly and shrinking equipment for shaft sealing rings according to claim 2 is characterized in that: A servo motor module bracket (39) is arranged on the left side of the lower surface of the base plate (22), a servo motor module (40) is arranged on the servo motor module bracket (39), an axial positioning rod (38) is arranged on the slider of the servo motor module (40), and the upper end of the axial positioning rod (38) corresponds to the center hole of the workpiece support (37).

4. The multi-station composite automatic assembly and shrinking equipment for shaft sealing rings according to claim 1 is characterized in that: A base (6) is provided below the turntable (8), a transmission screw (14) is provided in a vertical direction on the upper surface of the base (6), a transmission motor (16) is provided at the lower end of the transmission screw (14), a slider on the transmission screw (14) is fixedly connected to an up-and-down moving pad (13), a sensing bracket (17) is provided on the base (6), a workpiece optical fiber sensor (15) is provided on the sensing bracket (17), and the workpiece (9) is sensed through the workpiece optical fiber sensor (15), a rotary motor (18) and a reducer (7) are provided on the base (6), and the turntable (8) is fixedly connected to the output end of the reducer (7).

5. The multi-station composite automatic assembly and shrinking equipment for shaft sealing rings according to claim 1 is characterized in that: The workpiece position conversion system (3) is also included. The workpiece position conversion system (3) includes a second bottom plate (51), a position conversion plate (53) and a horizontal moving plate (56). The horizontal moving plate (56) is connected to a horizontal slide block (54) on the second bottom plate (51). A horizontal cylinder (52) is provided on the second bottom plate (51). The telescopic end of the horizontal cylinder (52) is connected to the horizontal moving plate (56). The position conversion plate (53) is connected to a vertical slide block (55) on the horizontal moving plate (56). A conversion cylinder (57) is provided on the horizontal moving plate (56). The telescopic end of the conversion cylinder (57) is connected to the position conversion plate (53). A clamping claw assembly is provided on the position conversion plate (53). The clamping claw assembly includes a second clamping cylinder (58) and a second clamping claw (59).

6. The multi-station composite automatic assembly and shrinking equipment for shaft sealing rings according to claim 5 is characterized in that: The clamping jaw assemblies are arranged in five groups, and the height of the clamping jaw assemblies increases from right to left in sequence. A fixed pad (60) is arranged on the position conversion plate (53), and the second clamping cylinder (58) is fixed on the fixed pad (60).

7. The multi-station composite automatic assembly and shrinking equipment for shaft sealing rings according to claim 1 is characterized in that: The invention also comprises a workpiece sealing ring shrinking system (2), the workpiece sealing ring shrinking system (2) comprising a shrinking bracket (62), a shrinking ring (61) and a shrinking pressure head (63), the shrinking pressure head (63) corresponding to the shrinking ring (61) in upper and lower positions, the shrinking ring (61) being fixed on a support plate at the lower end of the shrinking bracket (62), a shrinking cylinder (64) being arranged on the shrinking bracket (62), the telescopic end of the shrinking cylinder (64) being connected to the shrinking pressure head (63), and a workpiece ejecting channel (5) being arranged below the shrinking pressure head (63).

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