CN208214722U - A kind of automatic winding device of hydraulic cylinder cylinder cap - Google Patents

Abstract

The utility model discloses an automatic tightening device for a cylinder head of a hydraulic cylinder, which comprises a mounting seat, a hydraulic cylinder positioning seat with an L-shaped structure arranged on the mounting seat, a telescopic drive device, and a vertical guide rail arranged on the mounting seat. And the lifting drive device, as well as the tightening drive device and the cylinder head chuck; the vertical part of the hydraulic cylinder positioning seat is connected to the outer end of its horizontal part, and the telescopic drive device is located inside the pressure cylinder positioning seat and its output shaft faces the hydraulic cylinder positioning seat The vertical guide rail is slidably provided with a slider, the slider is fixedly connected with a sliding seat, the sliding seat is fixedly connected with the lifting rod of the lifting drive device, the tightening drive device is fixed on the sliding seat, and the cylinder head chuck is fixedly connected with the rotary On the output shaft facing downwards of the tight driving device and directly above the positioning seat of the hydraulic cylinder. The utility model performs automatic positioning on the hydraulic cylinder and mechanically tightens the cylinder cover, reduces labor intensity of workers and ensures product quality.

Description

A hydraulic cylinder head automatic tightening device

technical field

The utility model relates to the field of hydraulic cylinder assembly, in particular to an automatic tightening device for a cylinder head of a hydraulic cylinder.

Background technique

At present, most of the cylinder head and the cylinder body of the hydraulic cylinder are connected by threads, and workers need to ensure the tightening torque of the threads when assembling. For large-scale assembly operations, on the one hand, repeated tightening of the threads is labor-intensive and low in work efficiency; on the other hand, manual The assembly tightening torque is not easy to control, and the tightening degree of each hydraulic cylinder head is inconsistent, which is not conducive to ensuring product quality.

Utility model content

The technical problem to be solved by the utility model is to provide an automatic tightening device for a cylinder head of a hydraulic cylinder, with automatic positioning and mechanical tightening, which reduces labor intensity of workers and ensures product quality.

The technical scheme of the utility model is:

An automatic tightening device for a cylinder head of a hydraulic cylinder, comprising a mounting seat, a hydraulic cylinder positioning seat with an L-shaped structure arranged on the mounting seat, a telescopic drive device, a vertical guide rail and a lifting drive device arranged on the mounting seat, And tighten the driving device and the cylinder head chuck; the vertical part of the hydraulic cylinder positioning seat is connected to the outer end of its horizontal part, the telescopic driving device is located on the inner side of the pressing cylinder positioning seat and its output shaft faces the hydraulic cylinder positioning seat; The vertical guide rail is slidably provided with a slider, the slider is fixedly connected with a sliding seat, the sliding seat is fixedly connected with the lifting rod of the lifting drive device, and the screwing drive device is fixed on the sliding seat Above, the cylinder head chuck is fixedly connected to the downward output shaft of the tightening drive device and is located directly above the positioning seat of the hydraulic cylinder.

The hydraulic cylinder head automatic tightening device also includes a rotary drive device fixed on the mounting base and a turntable connected to the output shaft of the rotary drive device, and two hydraulic cylinders are arranged on the upper end surface of the turntable The positioning seat and the telescopic positioning seat, the telescopic positioning seat is provided with two telescopic driving devices, the two hydraulic cylinder positioning seats are radially symmetrical along the turntable, and the output shafts of the two telescopic driving devices respectively face the corresponding hydraulic pressure Cylinder positioning seat.

A clamping positioning block is fixed on the inner side of the vertical part of the positioning seat of the hydraulic cylinder, and an arc-shaped groove is opened on the inner side of the clamping positioning block, and the end of the output shaft of the telescopic drive device is provided with a clamping Tight gasket.

The cylinder head chuck is an inverted U-shaped structure, its horizontal part is fixedly connected with the output shaft of the tightening drive device, and the horizontal part is provided with a downwardly protruding positioning lug.

On the mounting seat and directly below the vertical guide rail, there is a jacking drive device, the tapered thimble on the output shaft of the jacking drive device faces the turntable, and the two hydraulic cylinder positioning seats are provided with There are positioning holes matching the tapered thimble.

The mounting base is provided with a mounting platform, the rotary driving device is fixed on the mounting base and the upward output shaft passes through the mounting platform and is fixedly connected with the turntable.

Both the telescopic drive device and the jacking drive device are telescopic cylinders, the lifting drive device is a lifting motor, and the tightening drive device and the rotary drive device are both rotary drive motors.

Advantage of the utility model:

The utility model adopts the positioning seat of the hydraulic cylinder and the telescopic drive device to coordinate the positioning of the cylinder body, and uses the tightening drive device to drive the cylinder head to perform tightening operation, which reduces the labor intensity of the workers and ensures the product quality; the utility model is also provided with a turntable The structure facilitates the loading and unloading of the cylinder body, and further improves the working efficiency of tightening the cylinder head and the cylinder body; the utility model is provided with a jacking drive device to position the turntable, which ensures the stability of the turntable during the tightening process and ensures the tightening Positioning accuracy.

Description of drawings

Fig. 1 is a perspective view of the utility model.

Fig. 2 is an enlarged view of part A of Fig. 1 .

Fig. 3 is the front view of the utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

See Fig. 1-Fig. 3, a hydraulic cylinder head automatic tightening device, including a mounting base 1, a mounting platform 2 arranged on the mounting base 1, a rotating drive device 3 fixed on the mounting base 1, and a rotating drive The turntable 4 connected to the upward output shaft of the device 3, two L-shaped hydraulic cylinder positioning seats 5 and a telescopic positioning seat 6 arranged on the rotary table 4, two telescopic driving devices 7 fixed on the telescopic positioning seat 6, The vertical guide rail 8, the lifting drive device 9 and the tightening drive device 10 arranged on the mounting base 1, as well as the tightening drive device 11 and the cylinder head chuck 12;

The rotary drive device 3 is fixed on the mounting base 1 and the upward output shaft passes through the mounting platform 2 and is fixedly connected to the turntable 4; the two hydraulic cylinder positioning seats 5 are radially symmetrical along the turntable 4, and the two hydraulic cylinder positioning seats 5 are vertical Partly connected to the outer end of its horizontal part, the two telescopic drive devices 7 are all located inside the corresponding cylinder positioning seat 5 and its output shaft faces the corresponding hydraulic cylinder positioning seat 5, and the inner side of the vertical part of each hydraulic cylinder positioning seat 5 Clamping positioning blocks 13 are fixed on the sides, and arc-shaped grooves are provided on the inner side of the clamping positioning blocks 13. The end of the output shaft of each telescopic drive device 7 is provided with a clip facing the corresponding cylinder positioning seat 5. Gasket 14;

The vertical guide rail 8 is slidably provided with a slide block 15, the slide block 15 is fixedly connected with a slide seat 16, the slide seat 16 is fixedly connected with the elevating rod of the lifting drive device 9, and the tightening drive device 11 is fixed on the slide seat 16, and the cylinder The cover chuck 12 is an inverted U-shaped structure, and the horizontal part of the cylinder head chuck 12 is fixedly connected to the downward output shaft of the tightening drive device 11 and is located directly above the positioning seat 5 of the inner hydraulic cylinder, and the cylinder head chuck 12 The horizontal part of the cylinder head is provided with a downwardly protruding positioning bump 17. When the cylinder head 02 is tightened, the positioning bump 17 of the cylinder head chuck 12 is connected with the groove on the top of the cylinder head 02, and the positioning bump 17 is connected with the groove. It is an axial static structure, that is, the positioning protrusion 17 can be selected as a spline or a polygonal structure;

On the mounting base 1 and directly below the vertical guide rail 8, a tightening drive device 10 is provided. The tapered thimble on the output shaft of the tightening drive device 10 faces the turntable 4. The matching positioning hole of the shaped thimble.

Wherein, the above-mentioned telescopic driving device 7 and the tightening driving device 10 are all selected telescopic cylinders, the lifting driving device 9 is selected a lifting motor, and the tightening driving device 11 and the rotating driving device 3 are all selected rotating driving motors.

Working principle of the utility model:

The worker puts the cylinder 01 into the hydraulic cylinder positioning seat 5 at the loading and unloading station, and the telescopic drive device 7 stretches out to automatically clamp the cylinder 01, and then the worker puts the cylinder head 02 on the cylinder 01 , and then the turntable rotates 180° under the drive of the rotary drive device 3 to enter the tightening station. Driven by the driving device 9, it moves down along the vertical guide rail 8. After the movement is in place, tighten the driving device 11 and start to drive the cylinder head 02 on the cylinder head chuck 12 to rotate according to the constant torque mode. After the torque is reached, the driving device 9 is lifted. Drive the cylinder head chuck 12 and the tightening drive device 11 to move upward to complete the torque tightening operation of the cylinder head 02. After the worker completes the clamping of another cylinder block 01 and cylinder head 02 at the loading and unloading station, tighten the drive device 10 contraction drives the tapered thimble to move out from the positioning hole of the hydraulic cylinder positioning seat 5, and the assembled hydraulic cylinder rotates 180° under the drive of the turntable 4 to reach the loading and unloading station, and the worker removes the assembled hydraulic cylinder workpiece to complete the hydraulic pressure. Cylinder assembly work.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. An automatic tightening device for a hydraulic cylinder head, characterized in that: it includes a mounting seat, a hydraulic cylinder positioning seat and a telescopic drive device that are arranged on the mounting seat and are an L-shaped structure, and a vertical shaft that is arranged on the mounting seat Guide rail and lifting drive device, as well as tightening drive device and cylinder head chuck; the vertical part of the hydraulic cylinder positioning seat is connected to the outer end of its horizontal part, and the telescopic drive device is located on the inner side of the pressure cylinder positioning seat and its output shaft faces hydraulic cylinder positioning seat; a slide block is slidably arranged on the vertical guide rail, and a slide seat is fixedly connected to the slide block, and the slide seat is fixedly connected with the lifting rod of the lifting drive device; The driving device is fixed on the sliding seat, and the cylinder head chuck is fixedly connected to the downward output shaft of the tightening driving device and is located directly above the positioning seat of the hydraulic cylinder. 2. A hydraulic cylinder cover automatic tightening device according to claim 1, characterized in that: the hydraulic cylinder cover automatic tightening device also includes a rotary drive device fixed on the mounting base and a connecting On the turntable on the output shaft of the rotary drive device, two hydraulic cylinder positioning seats and a telescopic positioning seat are arranged on the upper surface of the turntable, and two telescopic driving devices are arranged on the telescopic positioning seat, and two hydraulic cylinders The positioning seats are radially symmetrical along the turntable, and the output shafts of the two telescopic drive devices respectively face the corresponding hydraulic cylinder positioning seats. 3. A hydraulic cylinder head automatic tightening device according to claim 1, characterized in that: a clamping positioning block is fixed on the inner side of the vertical part of the positioning seat of the hydraulic cylinder, and the clamping positioning block An arc-shaped groove is opened on the inner surface, and a clamping gasket is arranged at the end of the output shaft of the telescopic drive device. 4. A hydraulic cylinder head automatic tightening device according to claim 1, characterized in that: the cylinder head chuck is an inverted U-shaped structure, and its horizontal part is fixed to the output shaft of the tightening drive device connected, and the horizontal part is provided with a downward protruding positioning bump. 5. A hydraulic cylinder head automatic tightening device according to claim 2, characterized in that: a jacking drive device is provided on the mounting base and directly below the vertical guide rail, and the jacking The tapered thimble on the output shaft of the driving device faces the turntable, and the positioning seats of the two hydraulic cylinders are provided with positioning holes matched with the tapered thimble. 6. A hydraulic cylinder cylinder head automatic tightening device according to claim 2, characterized in that: the mounting base is provided with a mounting platform, and the rotating drive device is fixed on the mounting base and faces upward. The output shaft passes through the installation platform and is fixedly connected with the turntable. 7. A hydraulic cylinder head automatic tightening device according to claim 5, characterized in that: the telescopic drive device and the jacking drive device are both telescopic cylinders, and the lift drive device is a lift motor, Both the screwing drive device and the rotary drive device use rotary drive motors.