Automatic angular direction fixing device for driving spiral bevel gear

Abstract

An automatic angular direction fixing device for a driving spiral bevel gear comprises a supporting frame, a swing air cylinder is arranged on the supporting frame, an eccentric rotating shaft is installed on an output shaft of the swing air cylinder, a spring telescopic pin is arranged on the eccentric rotating shaft in a sleeving mode, the top of the spring telescopic pin extends to a workpiece, and the workpiece is the spiral bevel gear. An auxiliary supporting plate is connected to the upper portion of the supporting frame, a clamping air cylinder is installed on the auxiliary supporting plate, two V-shaped clamping jaws are arranged on the clamping air cylinder, and the two V-shaped clamping jaws clamp the outer diameter of a workpiece. The swing cylinder and the spring pin are combined, the swing cylinder swings all the time, and the telescopic spring pin can be accurately inserted into a tooth groove and drives a workpiece to rotate. And after the oscillating cylinder oscillates in place, the V-shaped clamping jaw on the clamping cylinder clamps the workpiece for secondary positioning, so that the center error is eliminated, and the repeatability, the accuracy and the reliability of automatic feeding of the machine tool are realized. Manual feeding and discharging are replaced, labor intensity can be reduced, machining efficiency is improved, and material resource cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of automatic processing technology for parts and components, and relates to an automatic angular direction determination device for an active spiral bevel gear. Background Art

[0002] Currently, robots have been used in the rear axle main reducer gear processing and manufacturing industry, greatly improving the level of automation and product quality. However, the corresponding angular precision positioning device for gear grinding has been slow to keep pace with the pace of development. Currently, domestic factories rely on manual labor to load the gear grinding machine, manually align the angular direction of the active spiral bevel gear with the angular direction of the gear grinding machine tooling, and start the gear grinding machine processing. This is labor-intensive and inefficient. Angular misalignment between the active spiral bevel gear and the gear grinding machine can easily result in scrapped workpieces or even collisions with the gear grinding wheel, posing a safety hazard. This can cause equipment downtime, affect order delivery, and waste production costs. Utility Model Content

[0003] The technical problem to be solved by the utility model is: how to accurately position a spiral bevel gear. The utility model provides an automatic angular positioning device for an active spiral bevel gear.

[0004] The technical solution of the utility model is specifically as follows:

[0005] An automatic angular direction setting device for an active spiral bevel gear comprises a support frame, a swing cylinder is provided on the support frame, an eccentric rotating shaft is mounted on the output shaft of the swing cylinder, a spring telescopic pin is sleeved on the eccentric rotating shaft, the top of the spring telescopic pin extends toward a workpiece, and the workpiece is a spiral bevel gear;

[0006] A secondary support plate is connected above the support frame, and a clamping cylinder is installed on the secondary support plate. The clamping cylinder is provided with two V-shaped clamping jaws, and the two V-shaped clamping jaws clamp the outer diameter of the workpiece.

[0007] The support frame comprises a work surface, a support column is arranged below the work surface, and a swing cylinder is installed below the work surface.

[0008] The work table is connected to the auxiliary support plate through the upper support column.

[0009] The spring telescopic pin comprises an axle pin, a shaft sleeve is arranged on the outer surface of the axle pin, a compression spring is arranged in the shaft sleeve, one end of the compression spring is fixed to the bottom of the axle pin, and the other end is against the lower end surface of the shaft sleeve.

[0010] A workpiece support sleeve is provided on the top of each V-shaped clamping jaw.

[0011] Sensor brackets are respectively provided at both ends of the auxiliary support plate, and each sensor bracket is provided with a corresponding radiation sensor.

[0012] A clamping cylinder position sensor for detecting the clamping position of the clamping cylinder is provided at the upper end of the auxiliary support plate.

[0013] Swing cylinder position sensors are provided at the left and right positions of the swing cylinder.

[0014] The beneficial effects of the utility model are:

[0015] This utility model utilizes a combination of a swinging cylinder and a spring pin. The swinging cylinder constantly oscillates, allowing the retractable spring pin to precisely engage the tooth groove and rotate the workpiece. Once the swinging cylinder is in position, the V-shaped clamping jaws on the clamping cylinder clamp the workpiece for secondary positioning, eliminating centering errors and achieving repeatable, accurate, and reliable automatic loading of the machine tool. This replaces manual loading and unloading, reducing labor intensity, improving processing efficiency, and lowering material costs.

[0016] 2. The diameter and height of the utility model can be adjusted quickly, and the tooth positioning of workpieces with different diameters and heights can be achieved. That is, it is compatible with the positioning of all series of driving gears, greatly reducing production changes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 It is a front schematic diagram of the utility model;

[0019] Figure 3 This is a partially enlarged schematic diagram of the oscillating cylinder of the present invention before it oscillates (with the spring compressed greatly);

[0020] Figure 4 This is a partially enlarged schematic diagram of the oscillating cylinder of the present invention after it has swung (with little spring compression). DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figure 1 、 Figure 2 As shown, an automatic angular determination device for an active spiral bevel gear includes a support frame 1, a swing cylinder 2, an eccentric shaft 3, a spring telescopic pin 4, a clamping cylinder 5, a V-shaped clamping jaw 6, a secondary support plate 7, a workpiece support sleeve 8, a swing cylinder position sensor 9, a clamping cylinder position sensor 10, and a corresponding sensor 11.

[0023] The support frame 1 includes a work surface 13, below which are support columns 14. This work surface 13 serves as the mounting surface for the entire device. A swing cylinder 2 is mounted below this surface, providing the device with its swinging power. An eccentric shaft 3 is mounted on the output shaft of the swing cylinder 2, rotating eccentrically around the axis of the swing cylinder. A spring-loaded retractable pin 4 is sleeved onto the eccentric shaft 3, the top of which extends toward the workpiece 12, which is a spiral bevel gear.

[0024] The work table 13 is connected to the auxiliary support plate 7 through the upper support column 15. In this way, the auxiliary support plate 7 is connected to the support frame 1 through four upper support columns 15. A clamping cylinder 5 is installed on the auxiliary support plate 7. The clamping cylinder 5 is provided with two V-shaped jaws 6. The two V-shaped jaws 6 clamp the outer diameter of the workpiece 12 to achieve center positioning of the workpiece 12.

[0025] like Figure 3 、 Figure 4 As shown, further, the spring telescopic pin 4 includes an axle pin 41, the axle pin 41 is covered with a shaft sleeve 42, and a compression spring 43 is provided in the shaft sleeve 42. One end of the compression spring 43 is fixed to the bottom of the axle pin 41, and the other end is against the lower end surface of the shaft sleeve 42. In this way, the spring telescopic pin 4 is located in the loading waiting position when waiting for the workpiece 12 to be loaded. When the workpiece 12 is placed on the V-shaped clamp 6 by the robot, the workpiece 12 compresses the spring telescopic pin 4 by gravity. At this time, the spring telescopic pin 4 may be located in the tooth groove of the spiral bevel gear, or it may be placed on the plane of the spiral bevel gear. Under the rotation of the swing cylinder 2, the eccentric shaft 3 drives the spring telescopic pin 4 to rotate synchronously angularly clockwise. When the pin rotates to the tooth groove, it extends under the action of the compression spring 43, driving the workpiece 12 to rotate angularly clockwise to the unloading waiting position.

[0026] Furthermore, a workpiece support sleeve 8 is provided on the top of each V-shaped clamping jaw 6 to support the lower end surface of the workpiece axis.

[0027] Furthermore, sensor brackets are provided at both ends of the auxiliary support plate 7, each equipped with a through-beam sensor 11. The through-beam sensor 11 detects whether the workpiece 12 is clamped in the V-shaped clamp 6, thereby enabling detection of the presence of the workpiece 12. The through-beam sensor 11 is connected to the PLC and sends a signal to the PLC when the workpiece 12 is positioned.

[0028] Furthermore, a clamping cylinder position sensor 10 for detecting the clamping position of the clamping cylinder 5 is provided at the upper end of the auxiliary support plate 7 , which can detect whether the workpiece 12 is clamped, thereby realizing automatic error prevention.

[0029] Furthermore, swing cylinder position sensors 9 are provided at the left and right positions of the swing cylinder 2 , and the swing cylinder position sensors 9 detect the position of the swing cylinder.

[0030] The working principle of the present invention is as follows: the present invention designs a set of automatic angular positioning devices for active spiral bevel gears, which can be automatically connected to robots and PLCs. After the material arrives at the production line, the robot first grabs the workpiece 12 and feeds it to the automatic angular positioning device. The swing cylinder 2 of the automatic angular positioning device drives the eccentric shaft 3 and the spring telescopic pin 4 to rotate together, driving the workpiece 12 to rotate and position, so that the spring telescopic pin 4 is positioned in the tooth groove of the workpiece 12. After the V-shaped clamping jaws 6 of the clamping cylinder 5 clamp the workpiece 12 for secondary centering, the articulated robot grabs the positioned workpiece 12 from the automatic angular positioning device and automatically feeds it to the gear grinding machine, realizing automatic processing of the gear grinding machine, and the swing cylinder 2 retracts counterclockwise. The automatic angular positioning device has high compatibility, can reduce labor intensity, improve processing efficiency, and reduce material costs. It is highly adaptable to the production characteristics of passenger car rear axle spiral bevel passive gear processing with multiple varieties, small batches, and frequent production changes.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several changes and improvements can be made without departing from the overall concept of the present invention, and these should also be regarded as the scope of protection of the present invention.

Claims

1. An automatic angular direction setting device for an active spiral bevel gear, characterized by: The invention comprises a support frame (1), a swing cylinder (2) is provided on the support frame (1), an eccentric rotating shaft (3) is installed on the output shaft of the swing cylinder (2), a spring telescopic pin (4) is sleeved on the eccentric rotating shaft (3), the top of the spring telescopic pin (4) extends toward a workpiece (12), and the workpiece (12) is a spiral bevel gear; A secondary support plate (7) is connected above the support frame (1), and a clamping cylinder (5) is installed on the secondary support plate (7). The clamping cylinder (5) is provided with two V-shaped clamping jaws (6), and the two V-shaped clamping jaws (6) clamp the outer diameter of the workpiece (12).

2. The automatic angular direction setting device for active spiral bevel gears according to claim 1, characterized in that: The support frame (1) comprises a work surface (13), a support column (14) is provided below the work surface (13), and a swing cylinder (2) is installed below the work surface (13).

3. The automatic angular direction setting device for active spiral bevel gears according to claim 2, characterized in that: The work surface (13) is connected to the auxiliary support plate (7) via an upper support column (15).

4. The automatic angular direction setting device for active spiral bevel gears according to claim 1, characterized in that: The spring telescopic pin (4) comprises an axle pin (41), the axle pin (41) is covered with a shaft sleeve (42), a compression spring (43) is arranged in the shaft sleeve (42), one end of the compression spring (43) is fixed to the bottom of the axle pin (41), and the other end is against the lower end surface of the shaft sleeve (42).

5. The automatic angular direction setting device for active spiral bevel gears according to claim 1, characterized in that: A workpiece support sleeve (8) is provided on the top of each V-shaped clamping jaw (6).

6. The automatic angular direction setting device for active spiral bevel gears according to claim 1, characterized in that: Sensor brackets are respectively provided at both ends of the auxiliary support plate (7), and each sensor bracket is provided with a corresponding radiation sensor (11).

7. The automatic angular direction setting device for active spiral bevel gears according to claim 1, characterized in that: A clamping cylinder position sensor (10) for detecting the clamping position of the clamping cylinder (5) is provided at the upper end of the auxiliary support plate (7).

8. The automatic angular direction setting device for active spiral bevel gears according to claim 1, characterized in that: Swing cylinder position sensors (9) are provided at two positions on the left and right of the swing cylinder (2).

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