Automobile half shaft end face tooth meshing and tightening system

Abstract

The utility model discloses an automobile half shaft end face tooth meshing and tightening system which is characterized by comprising a rail pulley, a hanging trolley, a vertical telescopic rod and a meshing and tightening assembly, the hanging trolley is connected to the lower portion of the rail pulley in a sliding mode, the vertical telescopic rod is connected to the hanging trolley, the meshing and tightening assembly is connected to the lower end of the vertical telescopic rod, and the vertical telescopic rod is connected to the lower end of the meshing and tightening assembly. The meshing tightening assembly comprises a mounting bracket, a translation electric cylinder module arranged on the mounting bracket and a half-shaft clamping device, a meshing tightening device capable of horizontally moving is arranged on the translation electric cylinder module, the meshing tightening device is opposite to the half-shaft clamping device, the meshing tightening device comprises a tightening gun, a compression sleeve is arranged on an output shaft of the tightening gun, and the compression sleeve is arranged on the output shaft of the tightening gun. And a counter-force transmission component which rotates reversely is arranged on the outer side of the compression sleeve. The tool has the advantages that the tool design conforms to human engineering, the tool is reliable and convenient to operate stably, the system can meet tooth alignment and tightening at the same time, operation is easy, and assembly efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of assembly system, concretely relates to a kind of automobile half shaft end surface tooth meshing and tightening system. BACKGROUND

[0002] In the general assembly workshop of automobile assembly, its front suspension station and rear suspension station are used for brake disc and half shaft end surface tooth meshing, half shaft bolt tightening, single-station bolt tightening is one, and the torque range is 100-400N.m. Among them, the brake disc and the half shaft are meshed and installed at the end surface, and need to be assembled in the tooling state. The end surface tooth assembly and 1 bolt tightening are completed in the station with the help of counterforce arm. The existing assembly method is to mesh and position the brake disc and the half shaft end surface tooth by positioning tooling, and then tighten multiple bolts by worker holding tightening gun. Therefore, the assembly method is low in efficiency, high in labor intensity of worker and complex in jig design. SUMMARY

[0003] In view of the above deficiencies in the prior art, the utility model provides an automobile half shaft end surface tooth meshing and tightening system, which combines the tightening tool with the tooling, so that the assembly is simpler, the assembly efficiency is higher and the worker operation is easier.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] An automobile half shaft end surface tooth meshing and tightening system is characterized by comprising a track pulley, a hanging trolley, a vertical telescopic rod and a meshing and tightening assembly. The hanging trolley is slidingly connected to the lower part of the track pulley. The vertical telescopic rod is connected to the hanging trolley. The meshing and tightening assembly is connected to the lower end of the vertical telescopic rod. The meshing and tightening assembly comprises a mounting bracket, a translation cylinder module arranged on the mounting bracket and a half shaft clamping device. The translation cylinder module is provided with a horizontally movable meshing and tightening device. The meshing and tightening device is opposite to the half shaft clamping device. The meshing and tightening device comprises a tightening gun. A compression sleeve is arranged on the output shaft of the tightening gun. A reverse rotation reverse force transmission component is arranged on the outside of the compression sleeve.

[0006] Further, the half shaft clamping device comprises a fixed clamping plate and a movable clamping plate. The fixed clamping plate is provided with a first clamping block. The movable clamping plate is provided with a second clamping block opposite to the first clamping block. A lead screw nut mechanism is arranged between the fixed clamping plate and the movable clamping plate. A guide rod guide sleeve assembly is also arranged between the fixed clamping plate and the movable clamping plate.

[0007] Further, the meshing and tightening device further comprises a tightening support provided on the translation cylinder module, the tightening gun is provided on the tightening support, a gear rotating shaft is provided on the tightening support, a driven gear is provided on the gear rotating shaft, the counter-force transmission component is provided on the driven gear, a servo motor is provided on the tightening support, a driving gear is provided on the output shaft of the servo motor, and the driving gear is engaged with the driven gear.

[0008] Further, the compression sleeve comprises a connecting cylinder, a movable rod, a sleeve and a spring, one end of the connecting cylinder is connected with the output shaft of the tightening gun, the spring is arranged in the connecting cylinder, one end of the movable rod extends into the connecting cylinder and abuts against the spring, and the sleeve is connected to the other end of the movable rod.

[0009] Further, a positioning sleeve is sleeved on the sleeve, and a guide portion is arranged at the front end of the positioning sleeve.

[0010] The utility model discloses the beneficial effect includes: tooling design accords with ergonomics, and tooling is reliable and convenient for stable operation, and the system can satisfy simultaneously and tighten, and simple operation is favorable to improve assembly efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the structural schematic diagram of the utility model;

[0012] Fig. 2 It is the meshing and tightening device of the utility model;

[0013] Fig. 3 It is the half shaft clamping device of the utility model. DETAILED DESCRIPTION

[0014] The utility model will be further explained in detail in connection with specific embodiment and drawings.

[0015] A kind of as Figs. 1-3 The automobile half shaft end surface tooth meshing and tightening system shown in figure, including track pulley 1, hanging trolley 2, vertical telescopic rod 3, meshing and tightening assembly, wherein hanging trolley 2 is slidably connected at the lower portion of track pulley 1, can be pushed to move, and the coverage range is expanded. Vertical telescopic rod 3 is connected on hanging trolley 2, and meshing and tightening assembly is connected at the lower end of vertical telescopic rod 3, can realize vertical lifting, and the system is equipped with anti-falling secondary protection device, to prevent equipment from falling rapidly.

[0016] Meshing and tightening assembly includes mounting bracket 4, translation cylinder module 5 and half shaft clamping device 6 provided on mounting bracket 4, and meshing and tightening device 7 provided on translation cylinder module 5 and horizontally moved. Translation cylinder module 5 is equipped with servo motor, and displacement information can be accurately obtained.

[0017] The meshing and tightening device 7 is opposite to the half shaft clamping device 6, facilitating the half shaft clamping and rotating and tightening operation. The meshing and tightening device 7 comprises a tightening gun 71, and a compression sleeve 72 is arranged on an output shaft of the tightening gun 71. The compression sleeve 72 comprises a connecting cylinder 721, a movable rod 722, a sleeve 723 and a spring 724. One end of the connecting cylinder 721 is connected with the output shaft of the tightening gun 71, the spring 44 is arranged in the connecting cylinder 721, one end of the movable rod 722 extends into the connecting cylinder 41 and abuts against the spring 724, and the sleeve 723 is connected to the other end of the movable rod 722. A positioning sleeve 725 is sleeved on the sleeve 723, and the positioning sleeve 725 is provided with a guide portion at the front end. A reverse rotation reverse force transmission component 73 is arranged on the outer side of the compression sleeve 72. The meshing and tightening device 7 further comprises a tightening support 74 arranged on the translation cylinder module 5, the tightening gun 71 is arranged on the tightening support 74, a gear rotating shaft 75 is arranged on the tightening support 74, a driven gear 76 is arranged on the gear rotating shaft 75, the reverse force transmission component 73 is arranged on the driven gear 76, a servo motor 77 is arranged on the tightening support 74, a driving gear 78 is arranged on the output shaft of the servo motor 77, and the driving gear 78 is meshed with the driven gear 75.

[0018] The half shaft clamping device 6 comprises a fixed clamping plate 61 and a movable clamping plate 62. The fixed clamping plate 61 is provided with a first clamping block 63, and the movable clamping plate 62 is provided with a second clamping block 64 opposite to the first clamping block 63. A screw nut mechanism 65 is arranged between the fixed clamping plate 61 and the movable clamping plate 62, and a servo motor for driving the screw nut mechanism 65 is arranged on the fixed clamping plate 61. A guide rod and guide sleeve assembly 66 is further arranged between the fixed clamping plate 61 and the movable clamping plate 62, so that the half shaft clamping movement is stable.

[0019] The implementation steps of the utility model are as follows:

[0020] 1. The operator judges and clamps the half shaft space.

[0021] 2. The servo cylinder of the translation cylinder module is controlled to advance, the center positioning and engagement of the compression sleeve and the brake disc are performed.

[0022] 3. The sleeve is compressed, and then the reverse force transmission component is engaged with the brake disc, so that the set pressure is continuously applied to the end surface of the brake disc.

[0023] 4. The servo motor is started to drive the brake disc to rotate, so that the set torque is reached, the qualified indicator light is turned on, and the end surface tooth engagement is determined to be successful.

[0024] 5. The tightening gun is started to tighten the center bolt, and the work is completed after the qualified light is turned on.

[0025] 6. The button control servo cylinder makes the tooling exit the working area, releases the half shaft clamping device, and moves the whole set of equipment out of the safe position, and the operation is completed.

[0026] The above describes the technical solutions provided by the embodiments of the present application in detail, and the principles and implementation manners of the embodiments of the present application are described by using specific examples. The above description of the embodiments is only applicable to helping understand the principles of the embodiments of the present application. Meanwhile, for the general technical personnel in the field, the embodiments of the present application will have changes in the specific implementation manners and application ranges. In conclusion, the content of the present description should not be understood as a limitation on the present application.

Claims

1. A system for automotive half shaft end face tooth engagement and tightening, characterized by: The utility model provides a kind of vertical telescopic rod, it is connected on the hanging trolley (2), the hanging trolley (2) is slidably connected in the lower portion of the track trolley (1), the vertical telescopic rod (3) is connected on the hanging trolley (2), the engagement tightening assembly is connected in the lower end of the vertical telescopic rod (3), the engagement tightening assembly includes installation support (4), translation electric cylinder module (5) being arranged on installation support (4), half shaft clamping device (6), translation electric cylinder module (5) is provided with horizontal movement engagement tightening device (7), engagement tightening device (7) is opposite with half shaft clamping device (6), engagement tightening device (7) includes tightening gun (71), the output shaft of tightening gun (71) is provided with compression sleeve (72), the outside of compression sleeve (72) is provided with reverse rotation counterforce transmission component (73).

2. A system for face gear engagement and tightening of an automotive axle shaft end according to claim 1, characterized in that: The half shaft clamping device (6) includes a fixed clamping plate (61), a movable clamping plate (62), wherein the first clamping block (63) is provided on the fixed clamping plate (61), the second clamping block (64) is provided on the movable clamping plate (62) and opposite to the first clamping block (63), the screw nut mechanism (65) is provided between the fixed clamping plate (61) and the movable clamping plate (62), and the guide rod guide sleeve assembly (66) is also provided between the fixed clamping plate (61) and the movable clamping plate (62).

3. The automotive axle shaft end face tooth engagement and tightening system of claim 1, wherein: The engagement tightening device (7) further includes a tightening bracket (74) provided on the translation electric cylinder module (5), the tightening gun (71) is provided on the tightening bracket (74), the gear rotating shaft (75) is provided on the tightening bracket (74), the driven gear (76) is provided on the gear rotating shaft (75), the counterforce transmission component (73) is provided on the driven gear (76), the servo motor (77) is provided on the tightening bracket (74), the driving gear (78) is provided on the output shaft of the servo motor (77), and the driving gear (78) is engaged with the driven gear (76).

4. The automotive axle shaft end face tooth engagement and tightening system of claim 3, wherein: The compression sleeve (72) includes a connecting cylinder (721), a movable rod (722), a sleeve (723) and a spring (724), wherein one end of the connecting cylinder (721) is connected with the output shaft of the tightening gun (71), the spring (724) is arranged in the connecting cylinder (721), one end of the movable rod (722) extends into the connecting cylinder (721) and abuts against the spring (724), and the sleeve (723) is connected to the other end of the movable rod (722).

5. The automotive axle shaft end face tooth engagement and tightening system of claim 3, wherein: The sleeve (723) is sleeved with a positioning sleeve (725), and the front end of the positioning sleeve (725) has a guide portion.

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