A tightening device for automobile generator machining

Abstract

The application discloses a tightening device for automobile generator machining and relates to the technical field of generator machining.The tightening device comprises a work plate, a vertical plate and two vertical blocks which are fixedly connected to the upper side of the work plate, a lifting groove which is formed in the front side of the vertical plate, a lifting plate which is slidably connected to the inner side of the lifting groove, a mounting plate which is fixedly connected to the front side of the lifting plate, a control box which is fixedly connected to the lower side of the mounting plate, a first electric motor which is fixedly connected to the upper side of the mounting plate, a output shaft which is rotatably connected to the inner side of the control box, and a nut sleeve which is fixedly connected to the lower end of the output shaft and penetrates through the lower side of the control box.The tightening device is provided with the work plate, the fixing frame, the rotating pipe, the rotating disc, the plurality of branch plates, the sliding block, the inclined plate, the lifting block, the resisting rod, the placing plate and the placing groove, so that the nut is placed in the nut sleeve in a normal position, the nut is convenient to install in the pulley of the generator, and the installation effect of the pulley is not affected by the deviation of the nut.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of generator machining, in particular to a tightening device for automobile generator machining. BACKGROUND

[0002] An automobile generator (usually an alternating current generator) is a core component of a vehicle electrical system, mainly responsible for powering vehicle electrical appliances when the engine is running and charging the storage battery. When the automobile generator is machined, a tightening device needs to be used to limit the belt pulley, so that the nut is connected with the rotor shaft.

[0003] According to the search, the application number of the Chinese patent is "CN202223479324.7", which is a tightening device for automobile generator machining. The lower part of the equipment box is provided with a fixing sleeve, the lower part of the fixing sleeve is provided with a nut sleeve, the inside of the fixing sleeve is provided with a sleeve cavity, and the nut sleeve is inserted into the inside of the sleeve cavity. The two sides of the inside of the nut sleeve are respectively provided with elastic cavities, the inside of the elastic cavity is provided with a pressing plate, the one side of the pressing plate is fixedly installed with a first spring, the lower end of the other side of the pressing plate is fixedly installed with a pressing head, and the upper end of the other side of the pressing plate is fixedly installed with a plug-in plate. The two sides of the sleeve cavity are respectively provided with plug-in grooves, and the plug-in grooves correspond to the positions of the plug-in plates.

[0004] When the above-mentioned patent installs the belt pulley in the generator, the worker needs to place the nut in the nut sleeve and control the nut sleeve to rotate and descend, so that the nut is connected with the output shaft of the belt pulley. However, the worker places the nut in the nut sleeve, and the nut is not completely centered (such as deflection or not completely entering the nut groove) when it is initially placed. When the nut is tightened at high speed, eccentric rotation will occur, resulting in periodic vibration, uneven stress of the nut and bolt, local thread bearing too high pressure, thread strain, long-term eccentric stress leading to bolt deformation, and being not conducive to the subsequent installation and disassembly of the belt pulley. SUMMARY

[0005] In view of the deficiencies of the prior art, the application provides a tightening device for automobile generator machining, which solves the problem that the initial position of the nut is placed offset when the belt pulley of the generator is installed, which is not conducive to the installation and disassembly of the belt pulley.

[0006] To achieve the above purpose, the application is realized by the following technical scheme:

[0007] The utility model provides a kind of tightening device for automobile generator processing, including work plate, the upper side of the work plate is fixedly connected with vertical plate and two vertical blocks, the front side of the vertical plate is equipped with lifting groove, the inner side of the lifting groove is slidably connected with lifting plate, the front side of the lifting plate is fixedly connected with mounting plate, the lower side of the mounting plate is fixedly connected with control box, the upper side of the mounting plate is fixedly connected with motor one, the inner side of the control box is rotatably connected with output shaft, the lower end of the output shaft passes through the lower side of control box and is fixedly connected with nut sleeve, the outer side of the vertical block is fixedly connected with electric push rod two, the outer end of the electric push rod two is fixedly connected with clamping plate, the outer side between the mounting plate and vertical plate is fixedly connected with electric push rod one, the upper side of the work plate is fixedly connected with fixed frame, the upper side of the fixed frame is provided with the installation firm unit that installs nut, the front side of the fixed frame is fixedly connected with controller.

[0008] Preferably, the installation firm unit includes a rotating tube, the rotating tube is rotatably connected to the upper side of the fixed frame, the upper end of the rotating tube is fixedly connected with a rotating disc, the outer side of the rotating disc is fixedly connected with a positioning assembly provided with a nut positioning component, the outer side of the positioning assembly is provided with a firm component for nut installation, the positioning assembly includes a plurality of branch plates, the plurality of branch plates are fixedly connected to the outer side of the rotating disc, the upper side of the branch plate is provided with a sliding groove, the inner side of the sliding groove is slidably connected with a sliding plate, the outer side of the sliding plate is fixedly connected with a moving plate, the outer side of the moving plate is fixedly connected with a side plate, the outer side of the side plate is fixedly connected with a guide plate, the outer side of the guide plate is slidably connected with a guide block, the outer side of the guide block is fixedly connected with a connecting block, the upper side of the connecting block is fixedly connected with a placing plate, the upper side of the placing plate is provided with a placing groove, the lower side of the moving plate is fixedly connected with a bottom block, the outer side of the bottom block is rotatably connected with an inclined plate, the outer side of the lower end of the inclined plate is rotatably connected with a rotating block, the lower side of the rotating block is fixedly connected with a lifting block, the lower side of the lifting block is fixedly connected with a resistance rod, the upper side of the fixed frame is fixedly connected with an inclined slope.

[0009] Preferably, the upper side of the fixed frame is fixedly connected with a mounting frame, the lower side of the mounting frame is rotatably connected with a rotating rod, the outer side of the rotating rod is fixedly connected with a pinion, the outer side of the rotating tube is fixedly connected with a large gear meshingly connected with the pinion, the upper side of the mounting frame is fixedly connected with motor two for driving the rotating rod.

[0010] Preferably, the lower end of the rotating rod penetrates through the lower side of the fixing frame and is fixedly connected with a control disc, the lower side of the control disc is fixedly connected with a sliding rod, the outer side of the sliding rod is provided with a reciprocating frame, the right side of the reciprocating frame is fixedly connected with a reciprocating plate, the lower side of the fixing frame is fixedly connected with a gas tank two, the inner side of the gas tank two is provided with a piston plate two, the piston plate two is fixedly connected with the reciprocating plate, the front side of the gas tank two is fixedly connected with an air inlet pipe, the gas tank two and the rotating pipe are fixedly connected with a conveying pipe, the upper side of the rotating disc is fixedly connected with a top pipe, the outer side of the side plate is fixedly connected with a gas tank one, the inner side of the gas tank one is provided with a piston plate one, the upper side of the piston plate one is fixedly connected with a control rod, the upper end of the control rod penetrates through the upper side of the gas tank one and is fixedly connected with a guide block, the top pipe and the gas tank one are fixedly connected with a branch pipe, the outer side of the piston plate one and the inner wall of the gas tank one are fixedly connected with a spring two.

[0011] Preferably, the outer side of the gas tank one is fixedly connected with an exhaust pipe, the outer side of the exhaust pipe and the branch pipe are provided with electromagnetic valves, and the outer sides of the air inlet pipe and the conveying pipe are provided with check valves.

[0012] Preferably, the stable assembly comprises a fixing cylinder fixedly connected to the upper side of the branch plate, the upper side of the lifting block is fixedly connected with a lifting rod, the upper end of the lifting rod penetrates through the upper side of the branch plate and is fixedly connected with a piston disc, the inner side of the placing groove is fixedly connected with an air bag, and the air bag and the fixing cylinder are fixedly connected with a fixing pipe.

[0013] Preferably, the abutting rod abuts against the slope, and the lifting block and the branch plate are fixedly connected with a spring one.

[0014] Advantages

[0015] The automobile generator machining tightening device provided by the application has the following advantages compared with the prior art:

[0016] (1) The automobile generator machining tightening device is provided with a workbench, a fixing frame, a rotating pipe, a rotating disc, a plurality of branch plates, sliding blocks, inclined plates, lifting blocks, abutting rods, placing plates and placing grooves, so that the nut is placed in the nut sleeve, the nut is conveniently installed on the pulley in the generator, and the installation effect of the pulley is not affected by the deviation of the nut.

[0017] (2) The automobile generator machining tightening device is provided with placing plates, placing grooves, air bags, fixing pipes and fixing cylinders, so that when the nut is installed in the nut sleeve, the air bag limits the nut, the stability of the nut installation is improved, and the installation deviation of the nut is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole three-dimensional structure diagram of the application.

[0019] Figure 2 Figure 1 is a perspective view of the installation stabilizing unit of the present application;

[0020] Figure 3 Figure 2 is a perspective view of the position adjusting assembly of the present application;

[0021] Figure 4 Figure 3 is a sectional perspective view of the position adjusting assembly of the present application;

[0022] Figure 5 Figure 4 is a perspective view of the installation stabilizing unit of the present application; Figure 4 Figure 5 is an enlarged view of part A in Figure 4;

[0023] Figure 6 Figure 6 is a perspective view of part of the installation stabilizing unit of the present application;

[0024] Figure 7 Figure 7 is a bottom perspective view of part of the installation stabilizing unit of the present application;

[0025] Figure 8 Figure 8 is a sectional perspective view of part of the installation stabilizing unit of the present application.

[0026] Figure 1 is a perspective view of the installation stabilizing unit of the present application;

[0027] 441, branch plate; 442, sliding groove; 443, sliding plate; 444, moving plate; 445, bottom block; 446, inclined plate; 447, rotating block; 448, lifting block; 449, abutting rod; 4410, inclined slope; 4411, spring one; 4415, branch pipe; 4416, side plate; 4417, guide plate; 4418, guide block; 4419, connecting block; 4420, placing plate; 4421, placing groove; 4422, air tank one; 4423, piston plate one; 4424, spring two; 4425, control rod; 4426, large gear; 4427, mounting frame; 4428, small gear; 4429, rotating rod; 4430, electric motor two; 4431, control disc; 4432, sliding rod; 4433, reciprocating frame; 4434, reciprocating plate; 4435, air tank two; 4436, air inlet pipe; 4437, conveying pipe; 4438, piston plate two;

[0028] 451, fixing cylinder; 452, piston disc; 453, fixing pipe; 454, air bag; 455, lifting rod. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be apparently and completely described in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without any creative work fall within the protection scope of the present application.

[0030] Embodiment one

[0031] Please refer to Figures 1-8 The present application provides a technical solution: a tightening device for automobile generator processing, comprising a workboard 1, the upper side of the workboard 1 is fixedly connected with a vertical plate 5 and two vertical blocks 12, the front side of the vertical plate 5 is provided with a lifting groove 6, the inner side of the lifting groove 6 is slidably connected with a lifting plate 7, the front side of the lifting plate 7 is fixedly connected with a mounting plate 9, the lower side of the mounting plate 9 is fixedly connected with a control box 10, the upper side of the mounting plate 9 is fixedly connected with a motor one 15, the inner side of the control box 10 is rotatably connected with an output shaft, the outer side of the output shaft is provided with a torque sensor, which facilitates monitoring the torque of the nut tightening, the lower end of the output shaft passes through the lower side of the control box 10 and is fixedly connected with a nut sleeve 11, the outer side of the vertical block 12 is fixedly connected with an electric push rod two 13, the outer end of the electric push rod two 13 is fixedly connected with a clamping plate 14, the outer side of the mounting plate 9 and the vertical plate 5 are fixedly connected with an electric push rod one 8, the upper side of the workboard 1 is fixedly connected with a fixed frame 2, the upper side of the fixed frame 2 is provided with an installation stable unit 4 for installing the nut, the front side of the fixed frame 2 is fixedly connected with a controller 3, when tightening the nut, first place the generator on the upper side of the workboard 1, then control the electric push rod two 13 to drive the clamping plate 14 to move, which facilitates the clamping plate 14 on both sides to limit the generator, at this time the output shaft of the belt pulley faces upward, which facilitates the subsequent installation.

[0032] The installation stabilizing unit 4 comprises a rotating pipe 41 rotatably connected to the upper side of the fixing frame 2, the upper end of the rotating pipe 41 is fixedly connected with a rotating disc 42, the outer side of the rotating disc 42 is fixedly connected with a positioning assembly 44 provided with a nut positioning function, the outer side of the positioning assembly 44 is provided with a stabilizing assembly 45 for nut installation, the positioning assembly 44 comprises a plurality of branch plates 441, the plurality of branch plates 441 are all fixedly connected to the outer side of the rotating disc 42, the upper side of the branch plate 441 is provided with a sliding groove 442, the inner side of the sliding groove 442 is slidably connected with a sliding plate 443, the outer side of the sliding plate 443 is fixedly connected with a moving plate 444, the outer side of the moving plate 444 is fixedly connected with a side plate 4416, the outer side of the side plate 4416 is fixedly connected with a guide plate 4417, the outer side of the guide plate 4417 is slidably connected with a guide block 4418, the outer side of the guide block 4418 is fixedly connected with a connecting block 4419, the upper side of the connecting block 4419 is fixedly connected with a placing plate 4420, the upper side of the placing plate 4420 is provided with a placing groove 4421, the lower side of the moving plate 444 is fixedly connected with a bottom block 445, the outer side of the bottom block 445 is rotatably connected with an inclined plate 446, the outer side of the lower end of the inclined plate 446 is rotatably connected with a rotating block 447, the lower side of the rotating block 447 is fixedly connected with a lifting block 448, the lower side of the lifting block 448 is fixedly connected with an abutting rod 449, the upper side of the fixing frame 2 is fixedly connected with an inclined slope 4410, the abutting rod 449 abuts against the inclined slope 4410, the lifting block 448 and the branch plate 441 are fixedly connected with a spring one 4411, the upper side of the fixing frame 2 is fixedly connected with a mounting frame 4427, the lower side of the mounting frame 4427 is rotatably connected with a rotating rod 4429, the outer side of the rotating rod 4429 is fixedly connected with a small gear 4428, the outer side of the rotating pipe 41 is fixedly connected with a large gear 4426 meshingly connected with the small gear 4428, the upper side of the mounting frame 4427 is fixedly connected with a motor two 4430 driving the rotating rod 4429, before tightening the nut, firstly, the worker places the nut in the placing groove 4421, the structure of the placing groove 4421 is selected according to the shape of the nut, the nut is preliminarily positioned through the placing groove 4421, then the motor two 4430 is controlled, the motor two 4430 drives the rotating rod 4429 to rotate, the rotating rod 4429 drives the small gear 4428 to rotate, the small gear 4428 drives the large gear 4426 to rotate, the large gear 4426 drives the rotating pipe 41 to rotate, the rotating pipe 41 drives the rotating disc 42 to rotate, the rotating disc 42 drives the branch plate 441 to rotate, the nut on the placing plate 4420 of the branch plate 441 rotates, at the same time, the branch plate 441 drives the abutting rod 449 to rotate, when the abutting rod 449 contacts with the inclined slope 4410, the abutting rod 449 drives the lifting block 448 to ascend, the lifting block 448 drives the inclined plate 446 to rotate, the inclined plate 446 drives the sliding plate 443 to move towards the nut sleeve 11, the sliding plate 443 drives the moving plate 444 to move, the moving plate 444 drives the side plate 4416 to move, the side plate 4416 drives the nut on the placing plate 4420 to move, so that the nut faces the nut sleeve 11, which facilitates the nut to face the installation.

[0033] The lower end of the rotating rod 4429 passes through the lower side of the fixed frame 2 and is fixedly connected to the control panel 4431. The lower side of the control panel 4431 is fixedly connected to the slide rod 4432. A reciprocating frame 4433 is provided on the outer side of the slide rod 4432. A reciprocating plate 4434 is fixedly connected to the right side of the reciprocating frame 4433. The lower side of the fixed frame 2 is fixedly connected to the air box 4435. The inner side of the air box 4435 is provided to the piston plate 4438. The piston plate 4438 is fixedly connected to the reciprocating plate 4434. The front side of the air box 4435 is fixedly connected to the air inlet pipe 4436. A delivery pipe 4437 is fixedly connected between the air box 4435 and the rotating pipe 41. The upper side of the turntable 42 is fixedly connected to the top pipe 4. 3. An air box 4422 is fixedly connected to the outer side of the side plate 4416. A piston plate 4423 is installed inside the air box 4422. A control rod 4425 is fixedly connected to the upper side of the piston plate 4423. The upper end of the control rod 4425 passes through the upper side of the air box 4422 and is fixedly connected to the guide block 4418. A branch pipe 4415 is fixedly connected between the top pipe 43 and the air box 4422. A spring 4424 is fixedly connected between the outer side of the piston plate 4423 and the inner wall of the air box 4422. An exhaust pipe is fixedly connected to the outer side of the air box 4422. Solenoid valves are installed on the outer sides of both the exhaust pipe and the branch pipe 4415. An intake pipe 4436 and a delivery pipe 4437 are connected. One-way valves are installed on the outer sides of the plate. An infrared sensor is installed on the lower side of the placement plate 4420. The infrared sensor illuminates the working plate 1 with infrared light. When the illuminated position is directly below the nut sleeve 11, it indicates that the nut has moved to the position to be raised. At the same time, the rotating rod 4429 drives the control plate 4431 to rotate. The control plate 4431 drives the sliding rod 4432 to rotate. The sliding rod 4432 drives the reciprocating frame 4433 to move left and right repeatedly. The reciprocating frame 4433 drives the reciprocating plate 4434 to move. The reciprocating plate 4434 drives the piston plate 4438 to move left and right repeatedly. When the piston plate 4438 moves to the left, the one-way valve on the intake pipe 4436 allows external gas to enter the air box 4. In section 435, when piston plate 4438 moves to the right, gas is introduced into rotary pipe 41 through the one-way valve on delivery pipe 4437. Since rotary pipe 41 is connected to top pipe 43, the solenoid valve on branch pipe 4415 is controlled to allow gas to enter gas box 4422. The gas pushes piston plate 4423 to rise, piston plate 4423 drives control rod 4425 to rise, control rod 4425 drives guide block 4418 to rise, guide block 4418 drives connecting block 4419 to rise, connecting block 4419 drives placement plate 4420 to rise, placement plate 4420 drives nut to rise, so that nut moves into nut sleeve 11, completing the installation of nut and preventing nut installation misalignment.

[0034] Example 2

[0035] Based on Example 1, such asFigures 3-5 As shown, the stable assembly 45 includes a fixed cylinder 451 fixedly connected to the upper side of the branch plate 441, the upper side of the lifting block 448 is fixedly connected with a lifting rod 455, the upper end of the lifting rod 455 passes through the upper side of the branch plate 441 and is fixedly connected with a piston disc 452, the inner side of the placing groove 4421 is fixedly connected with an air bag 454, the air bag 454 and the fixed cylinder 451 are fixedly connected with a fixed pipe 453, when the nut is installed, the lifting block 448 drives the lifting rod 455 to rise, the lifting rod 455 drives the piston disc 452 to rise, the piston disc 452 pushes the gas in the fixed cylinder 451 out, and the gas is filled into the air bag 454 through the fixed pipe 453, so that the air bag 454 is inflated, the nut placing of the air bag 454 is more stable, after the installation is completed, the gas in the air tank two 4435 is discharged through the electromagnetic valve on the exhaust pipe, under the action of the spring two 4424, the placing plate 4420 is lowered, the placing plate 4420 is reset, then the rotating disc 42 is controlled to rotate, and the placing plate 4420 is horizontally moved to reset.

[0036] Working principle: in use, the worker first places the nut in the placing groove 4421, then controls the motor two 4430 to drive the rotating rod 4429 to rotate, under the action of the pinion 4428 and the gear 4426, controls the rotating disc 42 to rotate, under the action of the branch plate 441 and the placing plate 4420, controls the nut to rotate, and through the abutting rod 449, the slope 4410, the inclined plate 446 and the moving plate 444, it is convenient to control the nut to move to the position directly below the nut sleeve 11, at the same time, the rotating rod 4429 drives the control disc 4431 to rotate, under the action of the slide rod 4432, the reciprocating frame 4433, the reciprocating plate 4434, the piston plate two 4438, the gas tank two 4435, the inlet pipe 4436 and the delivery pipe 4437, makes the gas enter the top pipe 43, and through the branch pipe 4415, the gas tank one 4422, the piston plate one 4423, the control rod 4425, the guide block 4418 and the connecting block 4419, controls the nut on the placing plate 4420 to rise, so that the nut is directly opposite the installation in the nut sleeve 11, at the same time, the lifting rod 455 drives the piston disc 452 to rise, under the action of the fixed cylinder 451 and the fixed pipe 453, makes the air bag 454 expand, which is convenient for the air bag 454 to limit the nut, increases the stability of the nut installation, controls the electromagnetic valve on the exhaust pipe of the gas tank one 4422, makes the gas in the gas tank one 4422 exhaust, makes the placing plate 4420 descend, then continues to control the rotating disc 42 to rotate, makes the abutting rod 449 separate from the slope 4410, under the action of the spring one 4411, makes the placing plate 4420 reset, which is convenient for another nut to install, then places the generator on the working plate 1, then controls the electric push rod two 13 to drive the clamping plate 14 to move, so that the clamping plate 14 limits the generator, then controls the electric push rod one 8 to drive the installation plate 9 to descend, the installation plate 9 drives the nut sleeve 11 on the control box 10 to descend, makes the nut on the nut sleeve 11 descend, at the same time, controls the motor one 15 to drive the nut sleeve 11 on the delivery shaft to rotate, which is convenient for the nut sleeve 11 on the nut to limit the belt pulley.

[0037] It should be noted that the relational terms herein such as first and second and the like can merely be used to differentiate one entity or action from another, without necessarily requiring or implying any such actual relationship or order between or among the entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A tightening device for processing an automotive generator, comprising a work plate (1), wherein a vertical plate (5) and two vertical blocks (12) are fixedly connected to the upper side of the work plate (1), a lifting groove (6) is provided on the front side of the vertical plate (5), a lifting plate (7) is slidably connected to the inner side of the lifting groove (6), a mounting plate (9) is fixedly connected to the front side of the lifting plate (7), a control box (10) is fixedly connected to the lower side of the mounting plate (9), a motor (15) is fixedly connected to the upper side of the mounting plate (9), an output shaft is rotatably connected to the inner side of the control box (10), the lower end of the output shaft passes through the lower side of the control box (10) and is fixedly connected to a nut sleeve (11), an electric push rod (13) is fixedly connected to the outer side of the vertical blocks (12), a clamping plate (14) is fixedly connected to the outer end of the electric push rod (13), and an electric push rod (8) is fixedly connected between the outer side of the mounting plate (9) and the vertical plate (5), characterized in that: The upper side of the working plate (1) is fixedly connected to a fixing frame (2), and the upper side of the fixing frame (2) is provided with an installation stabilizing unit (4) for installing nuts. The front side of the fixing frame (2) is fixedly connected to a controller (3). The mounting and stabilizing unit (4) includes a rotating tube (41), which is rotatably connected to the upper side of the fixing frame (2). A turntable (42) is fixedly connected to the upper end of the rotating tube (41). An adjusting component (44) for adjusting the nut is fixedly connected to the outer side of the turntable (42). A stabilizing component (45) for stabilizing the nut is provided on the outer side of the adjusting component (44). The adjusting component (44) includes multiple branch plates (441), which are all fixedly connected to the outer side of the turntable (42). A sliding groove (442) is provided on the upper side of the branch plate (441). A sliding plate (443) is slidably connected to the inner side of the sliding groove (442). A moving plate (444) is fixedly connected to the outer side of the sliding plate (443). A side plate (4416) is fixedly connected to the outer side of the moving plate (444). A guide plate (4417) is fixedly connected to the outer side of the side plate (4416). A guide block (4418) is slidably connected to the outer side of the guide plate (4417). A connecting block (4419) is fixedly connected to the outer side of the guide block (4418). A placement plate (4420) is fixedly connected to the upper side of the connecting block (4419). A placement groove (4421) is opened on the upper side of the placement plate (4420). A bottom block (445) is fixedly connected to the lower side of the moving plate (444). An inclined plate (446) is rotatably connected to the outer side of the bottom block (445). A rotating block (447) is rotatably connected to the outer side of the lower end of the inclined plate (446). A lifting block (448) is fixedly connected to the lower side of the rotating block (447). A stop rod (449) is fixedly connected to the lower side of the lifting block (448). A ramp (4410) is fixedly connected to the upper side of the fixed frame (2).

2. The tightening device for machining an automotive generator according to claim 1, characterized in that: The upper side of the fixed frame (2) is fixedly connected to the mounting frame (4427), the lower side of the mounting frame (4427) is rotatably connected to the rotating rod (4429), the outer side of the rotating rod (4429) is fixedly connected to the small gear (4428), the outer side of the rotating tube (41) is fixedly connected to the large gear (4426) that meshes with the small gear (4428), and the upper side of the mounting frame (4427) is fixedly connected to the second motor (4430) that drives the rotating rod (4429).

3. The tightening device for machining an automotive generator according to claim 2, characterized in that: The lower end of the rotating rod (4429) passes through the lower side of the fixed frame (2) and is fixedly connected to the control panel (4431). The lower side of the control panel (4431) is fixedly connected to the slide rod (4432). A reciprocating frame (4433) is provided on the outer side of the slide rod (4432). A reciprocating plate (4434) is fixedly connected to the right side of the reciprocating frame (4433). The lower side of the fixed frame (2) is fixedly connected to the air box (4435). The inner side of the air box (4435) is provided with the piston plate (4438). The piston plate (4438) is fixedly connected to the reciprocating plate (4434). The front side of the air box (4435) is fixedly connected to the air inlet pipe (4436). The air box (4435) and the rotating pipe (4436) are fixedly connected to each other. A conveying pipe (4437) is fixedly connected between the turntable (42) and the outer side of the side plate (4416). A piston plate (4423) is fixedly connected to the inner side of the air box (4422). A control rod (4425) is fixedly connected to the upper side of the piston plate (4423). The upper end of the control rod (4425) passes through the upper side of the air box (4422) and is fixedly connected to the guide block (4418). A branch pipe (4415) is fixedly connected between the top pipe (43) and the air box (4422). A spring (4424) is fixedly connected between the outer side of the piston plate (4423) and the inner wall of the air box (4422).

4. A tightening device for machining an automotive generator according to claim 3, characterized in that: An exhaust pipe is fixedly connected to the outside of the first air box (4422). Solenoid valves are provided on the outside of both the exhaust pipe and the branch pipe (4415). One-way valves are provided on the outside of both the air inlet pipe (4436) and the delivery pipe (4437).

5. A tightening device for machining an automotive generator according to claim 1, characterized in that: The stabilizing component (45) includes a fixed cylinder (451) which is fixedly connected to the upper side of the branch plate (441). A lifting rod (455) is fixedly connected to the upper side of the lifting block (448). The upper end of the lifting rod (455) passes through the upper side of the branch plate (441) and is fixedly connected to a piston disc (452). An airbag (454) is fixedly connected to the inner side of the placement slot (4421). A fixing tube (453) is fixedly connected between the airbag (454) and the fixed cylinder (451).

6. A tightening device for machining an automotive generator according to claim 1, characterized in that: The abutment (449) abuts against the ramp (4410), and a spring (4411) is fixedly connected between the lifting block (448) and the branch plate (441).

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