CN205465146U - Car radiator fan's pressure equipment device - Google Patents

Abstract

The utility model relates to a press-fitting device for an automobile cooling fan, relating to a crimping device. It includes a frame, the frame is provided with a fan blade frame clamp, a fan blade frame clamp is provided above the fan blade frame clamp, and a driving device for driving the wind blade wheel clamp to move up and down is connected to the frame above the fan blade frame clamp . The blade frame clamp includes a clamp platform, and two support seats for supporting the blade frame are respectively arranged on the left and right sides of the clamp platform, and one side of each support seat is also provided with a corresponding cylinder; the wind impeller clamp includes A circular claw seat with an open lower end, and a plurality of claw groove seats evenly distributed around the circumference of the circular claw seat, and L-shaped claws are arranged in the claw groove sockets. In the press-fitting process of the utility model, the coaxiality between the fan motor and the wind impeller is high, the interference is uniform, the pressing force is reduced, the damage of the wind impeller is avoided, and the cost is reduced.

Description

Press-fitting device for automobile cooling fan

technical field

The utility model relates to a crimping device, in particular to a crimping device for an automobile cooling fan.

Background technique

The assembly of the fan impeller and the fan motor used in today's automobiles is generally an interference crimping installation. The installation process is completed using a crimping device. The crimping device currently used has obvious defects: 1. It cannot guarantee that the fan motor and the fan impeller are in Concentric position; 2. The material of the wind impeller is mostly plastic, and the plastic may be damaged during the pressing process, and the wind impeller clamp cannot ensure that the wind impeller is in a horizontal state, thereby destroying the dynamic balance of the wind impeller and affecting the quality and working effect of the fan.

Contents of the invention

The purpose of the utility model is to provide a press-fitting device for an automobile cooling fan that can ensure the positioning accuracy of the fan impeller and the fan motor, and has a high press-fit yield.

The technical solution for achieving the above object is: a press-fitting device for an automobile cooling fan, characterized in that: it comprises a frame, the frame is provided with a fan blade frame clamp, and the top of the fan blade frame clamp is provided with a wind impeller clamp, The frame above the wind impeller fixture is connected with a driving device that drives the up and down displacement of the wind impeller fixture.

The fan blade frame clamp includes a clamp platform, the front and rear sides of the clamp platform are respectively provided with baffle plates, and the left and right sides of the clamp platform are respectively provided with two support seats arranged at intervals for supporting the fan blade frame, and one side of each support seat Correspondingly, there is a cylinder installed through the bracket, and the cylinders corresponding to the support seats on both sides are opposite and symmetrically arranged, and the output end of the cylinder is connected with a push rod for pressing the fan blade frame; A cylinder, a telescopic rod is arranged in the cylinder, a first spring is arranged between the lower end of the telescopic rod and the cylinder, and a proximity sensor for detecting the proximity signal of the telescopic rod is also connected to the cylinder

The wind impeller clamp includes a circular claw seat with an open lower end, and a plurality of claw groove seats are evenly distributed around the circular claw seat, and L-shaped claws are arranged in the claw groove seat, and the L-shaped claws The middle part of the jaw is connected in the jaw groove seat through the rotating shaft, and a second spring is arranged between the upper inner end surface of the L-shaped jaw and the jaw groove seat, and the bent end of the L-shaped jaw faces downward and protrudes downward. Gripper slots.

The driving device includes a housing installed on the frame, in which a screw rod arranged vertically is installed through a support seat, and a motor for driving the screw rod rotation is installed on one side of the housing, and the screw rod is threadedly connected with A nut, the nut is fixedly connected with the lifting shaft, the lower end of the lifting shaft protrudes downwards from the housing and is connected with the wind impeller fixture, and the housing is also connected with a displacement sensor for detecting the displacement signal of the lifting shaft.

The middle part of the fixture platform is provided with a motor support base, and the center of the motor support base is provided with a round hole for supporting the fan motor shaft.

Working principle of the utility model:

1. The fan blade frame is placed on the fixture platform, and the four sides of the fan blade frame are respectively supported on the telescopic rods of the support seat. The telescopic rod compresses the first spring downward, and the proximity sensor receives a signal to drive the corresponding cylinder to extend the ejector rod, and the ejector rod Position the fan blade frame from the left and right directions.

The fan motor is installed at the center of the fan blade frame, the center of the fan blade frame is supported on the motor support base, and the rotating shaft of the fan motor is arranged in the circular hole of the motor support base.

2. Put the fan blade connection seat of the fan impeller up into the circular jaw seat with the lower end opening, and the claws around the circular jaw seat are buckled on the fan blade connection seat under the action of the second spring.

3. The motor rotates, and the lifting shaft drives the fan impeller fixture downward to assemble the fan impeller on the fan motor.

The beneficial effects of the utility model:

1. The fan blade frame fixture of the utility model is provided with a motor support seat, and the center of the motor support seat is provided with a round hole supporting the fan motor shaft, which ensures the precise positioning of the fan motor.

2. In the press-fitting process of the utility model, the coaxiality between the fan motor and the wind impeller is high, the interference is uniform, the pressing force is reduced, and the damage of the wind impeller is avoided, thereby reducing the cost.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a top view of the blade frame fixture;

Fig. 3 is a working state diagram of the fan blade frame fixture;

Fig. 4 is the structural representation of wind impeller clip;

Fig. 5 is a partial sectional view of the wind impeller fixture;

Fig. 6 is a structural schematic diagram of the driving device.

detailed description

As shown in Figure 1, the utility model comprises a frame 1, a fan blade frame clamp 2 is arranged on the frame 1, a wind impeller clamp 3 is arranged above the fan blade frame clamp, and the frame above the wind blade frame clamp 3 1 is connected with a driving device 4 that drives the vertical displacement of the wind impeller fixture 3 .

As shown in Figures 2 and 3, the blade frame clamp 2 includes a clamp platform 5, a motor support base 15 is provided in the middle of the clamp platform 5, and a circular hole 16 for supporting the fan motor shaft is provided in the center of the motor support base 15. The front and rear sides of the fixture platform 5 are respectively provided with baffles 6, and the left and right sides of the fixture platform 5 are respectively provided with two support seats 7 arranged at intervals for supporting the fan blade frame, and one side of each support seat 7 is also provided correspondingly. The cylinder 8 installed through the bracket 9, the cylinders 8 corresponding to the support seats 7 on both sides are opposite and symmetrically arranged, and the output end of the cylinder 8 is connected with the ejector rod 10 for pressing the fan blade frame; the support seat 7 includes a vertically arranged cylinder barrel 11. A telescopic rod 12 is arranged in the cylinder 11, and a first spring 13 is arranged between the lower end of the telescopic rod 12 and the cylinder 11, and a proximity sensor 14 for detecting the proximity signal of the telescopic rod is connected to the cylinder 11.

As shown in Figure 3, when the fan blade frame clamp 2 is in use, the four sides of the fan blade frame 17 of the automobile cooling fan are respectively supported on the telescopic rods 12 of the support base 7, and the telescopic rods 12 compress the first spring 13 downwards, and the proximity sensor 14 After receiving the signal, the corresponding cylinder 8 is driven to extend the ejector rod 10, and the ejector rod 10 positions the blade frame 17 from the left and right directions.

The fan motor 18 is installed at the center of the blade frame 17 , the center of the blade frame 17 is supported on the motor support base 15 , and the rotating shaft of the fan motor is arranged in the circular hole of the motor support base 15 .

As shown in Figures 4 and 5, the wind impeller clamp 3 includes a circular jaw seat 19 with an open lower end. There is an L-shaped jaw 21, the middle part of the L-shaped jaw 21 is connected in the jaw groove seat 20 through a rotating shaft 22, and a second spring is arranged between the upper inner end surface of the L-shaped jaw 21 and the jaw groove seat 20 23 , the bent end of the L-shaped jaw 21 faces downward and protrudes downward from the jaw groove seat 20 .

As shown in Figure 5, when the fan wheel fixture 3 is in use, the fan blade connecting seat of the fan wheel 24 is placed upwardly in the circular jaw seat 19 with the lower end opening, and the L-shaped jaws 21 around the circular jaw seat 19 are placed Under the action of the second spring 3 , it is buckled on the blade connection seat of the blade wheel 24 .

As shown in Figure 6, the driving device 4 includes a housing 25 installed on the frame 1, a vertically arranged screw rod 26 is installed through a support seat in the housing 25, and a driving screw rod 26 is installed on one side of the housing 25. Rotating motor 27, through gear transmission between motor 27 and screw mandrel 26, nut 28 is threadedly connected on screw mandrel 26, is fixedly connected with lifting shaft 29 on the nut 28, and the lower end of lifting shaft 29 stretches out casing 25 and The wind impeller clamp 3 is connected, and the displacement sensor 30 for detecting the displacement signal of the lifting shaft 29 is also connected on the housing 25 .

Claims (2)

1. the press-loading apparatus of radiation fan on vehicle, it is characterized in that: include frame, be provided with flabellum frame fixture in described frame, described flabellum frame fixture be provided above fan blade fixture, in the frame of the top of fan blade fixture connect have drive fan blade fixture upper and lower displacement driving means；

Described flabellum frame fixture includes jig platform, before and after jig platform, side is respectively provided with baffle plate, jig platform left and right sides is respectively arranged with the support seat for supporting flabellum frame of two spaced layouts, the side of each support seat is also correspondingly arranged on a cylinder installed by support, the cylinder that supported on both sides seat is corresponding relatively and is symmetrical arranged, and the outfan of described cylinder connects the push rod having for pushing up pressure flabellum frame；Described support seat includes the cylinder barrel being vertically arranged, and is provided with expansion link in cylinder barrel, is provided with the first spring between lower end and the cylinder barrel of expansion link, and described cylinder barrel is also associated with the proximity transducer for detecting expansion link approach signal；

Fan blade fixture includes the circular jaw seat of lower ending opening, circle is evenly equipped with multiple jaw groove seat in jaw seat ring week, it is provided with L-shaped jaw in described jaw groove seat, the middle part of described L-shaped jaw is connected in jaw groove seat by rotating shaft, being provided with the second spring between upper inner end face and the jaw groove seat of described L-shaped jaw, the bending end of L-shaped jaw down and extends downwardly from jaw groove seat；

Described driving means includes rack-mounted housing, by support seat, the screw mandrel being vertically arranged is installed in housing, the side of housing is provided with the motor driving screw mandrel to rotate, threaded on described screw mandrel have nut, it is fixedly connected with lifting shaft on described nut, the lower end of lifting shaft extends downwardly from housing and is connected with fan blade fixture, and described housing is also associated with the displacement transducer for detecting lifting shaft displacement signal.

The press-loading apparatus of radiation fan on vehicle the most according to claim 1, it is characterised in that: the middle part of described jig platform is provided with motor supporting base, and the center of described motor supporting base is provided with the circular hole for supporting fan electromotor rotating shaft.