CN205020561U - Pneumatic straightener - Google Patents

Abstract

The utility model relates to a straightening device, in particular to a pneumatic straightening machine. The pneumatic straightening machine includes a jack, a pneumatic cylinder, a movable plate, a straightening head, a supporting plate and a frame, the jack is arranged between the movable plate and the top of the frame, and the movable plate is connected to the top of the frame through a tension spring , the pneumatic cylinder is fixed on the side wall of the jack, the straightening pressure head is set on the lower part of the movable plate, the pad iron is set on the support plate, the movable wheel is installed on the bottom of the frame, and the side wall is set with a pneumatic control valve and an adjustment holes, and the adjustment positioning pins are arranged in the adjustment holes. The utility model has the following advantages: 1. The quality of workpiece correction and straightening is improved, and the reject rate is reduced; 2. The speed of workpiece correction and straightening is improved, and labor hours are greatly reduced; 3. Pneumatic straightening is adopted, The operation is simple and the effect is stable; 4. The production is simple, the cost of production and use is low, it can be moved flexibly, occupies less land, and is suitable for popularization and use.

Description

A pneumatic straightening machine

technical field

The utility model relates to a straightening device, in particular to a pneumatic straightening machine.

Background technique

Many workpieces and appliances are used in the electric power industry, such as trolley frames, wire protection sleeves, angle iron piles, etc. With the increase in the number of times and time of use, these workpieces and appliances often appear bent and deformed, which affects normal use. Traditionally, manual methods are used to correct these defective workpieces and appliances, but manual calibration is labor-intensive, low work efficiency, uneven calibration results, high scrap rate, and easy to cause harm to the health of operators.

The automatic straightening machine uses automatic machinery to correct defective workpieces and appliances, which can replace cumbersome manual correction methods. Chinese patent 201420546001.1 (application number) discloses a hydraulic straightening machine, which relates to the technical field of shaft straightening equipment, including bed, bracket, machine base, motor, bracket, body, detection dial indicator, hydraulic press head, Vertical guide rails, oil cylinders, manual operating handles, power switches, hydraulic pumps, reducers and gears. In this utility model hydraulic straightening machine, the straight plate gear on the bed is meshed with the circular gear of the reducer to realize the left and right movement of the straightening machine body; the vertical guide rail is arranged on the body to realize the up and down movement of the oil cylinder, and then realize the adjustment of different diameters. , Alignment of slender shafts and screw rods of different lengths. The use of the new structure is relatively complex, large volume, not conducive to flexible use, and high cost. Chinese patent 201220093708.2 (application number) discloses a straightening mechanism, including a base, a roller bracket, a curvature indicator scale, a pressure head, a tension spring seat, a plunger return adjustable limiter, a plunger return tension spring and a jack. The base is welded by steel plates, the vertical hydraulic jack is fixed on the base, and the base is fixed with a bending indicator scale. The pressure head is fixed on the extension spring seat by screws, and the extension spring seat is fixed on the vertical hydraulic jack by screws. on the jack. The jack of the utility model adopts a manual adjustment method, which has low efficiency, is not conducive to reducing labor, and reduces the accuracy of calibration.

The straightening equipment of the above technical solutions has certain deficiencies, and needs to be improved in terms of flexibility of use, cost, and work efficiency. Therefore, it is of great significance to provide a Qigong straightening machine in this field.

Utility model content

In order to solve the deficiencies of the existing technology, the utility model provides a pneumatic straightening machine which is easy to manufacture, low in production and use costs, occupies less land, can greatly improve the efficiency and quality of straightening, and improves the man-machine environment.

The utility model is achieved in that:

A pneumatic straightening machine, comprising a jack, a pneumatic cylinder, a movable plate, a straightening pressure head, a supporting plate and a frame, the jack is arranged between the movable plate and the top of the frame, and the movable plate is connected to the frame by a tension spring The top is connected, the pneumatic cylinder is fixed on the side wall of the jack, the straightening head is set on the lower part of the movable plate, the pad iron is set on the support plate, the movable wheel is installed on the bottom of the frame, and the pneumatic control valve is set on the side wall and an adjustment hole, an adjustment positioning pin is arranged in the adjustment hole.

Preferably, the jack is a 20-50 ton jack, which can achieve different correction strengths.

Preferably, the number of the parallel irons is 2-4, and the parallel irons can not only fix the workpiece and the appliance to be corrected, but also protect the straightening pressure head.

Preferably, the height of the pad iron is the same as that of the straightening pressure head, which can protect the straightening pressure head from directly pressing against the supporting plate.

Preferably, 2-4 adjustment holes are arranged parallel to each other on the side wall of the frame, and the height of the supporting plate can be adjusted up and down.

Preferably, the distance between the upper and lower sides of the adjustment holes is 3-10 cm, so that the height of the supporting plate can be adjusted more accurately.

The working principle of the utility model is:

First, move the pneumatic straightening machine to a flat working area through the movable wheel, put the workpiece to be corrected into the supporting plate, fix the position and angle of the workpiece through the pad iron, adjust the height of the supporting plate, and insert the adjustment positioning pin into the adjustment The hole is fixed on the supporting plate, the pneumatic control valve is opened, the pneumatic cylinder works, the jack is pressed down and the straightening head works to correct and straighten the workpiece, after the workpiece is corrected and straightened, close the pneumatic control valve and exhaust at the same time, pull it by hand The movable plate is pulled up by the spring to reset the jack.

Compared with the prior art, the utility model has the following advantages:

1. The output power is adjustable, which is beneficial to accurately control the intensity of correction and straightening, improves the quality of workpiece correction and straightening, and reduces the scrap rate.

2. The degree of automation is high, which improves the speed of workpiece correction and straightening, and greatly reduces the man-hours.

3. Pneumatic straightening is adopted, which is easy to operate and stable in effect.

4. It is easy to manufacture, low in production and use costs, can be moved flexibly, occupies less land, and is suitable for popularization and use.

Description of drawings

Fig. 1 is the schematic diagram of the utility model;

Fig. 2 is a side view of the utility model.

Marks in the picture: 1-jack, 2-pneumatic cylinder, 3-pneumatic control valve, 4-extension spring, 5-adjusting positioning pin, 6-supporting plate, 7-adjusting hole, 8-frame, 9-moving wheel , 10-straighten pressure head, 11-horn, 12-movable plate.

detailed description

Below, the utility model is further described in detail in conjunction with the accompanying drawings.

Example 1

As shown in Figure 1, a kind of pneumatic straightening machine comprises jack 1, pneumatic cylinder 2, movable plate 12, straightening pressure head 10, holding plate 6 and frame 8, and described jack 1 is arranged on movable plate 12 and Between the tops of the frame 8, the movable plate 12 is connected with the top of the frame 8 through the extension spring 4, the pneumatic cylinder 2 is fixed on the side wall of the jack 1, the straightening head 10 is arranged at the bottom of the movable plate 12, and the support A shim 11 is set on the object plate 6, a movable wheel 9 is installed at the bottom of the frame 8, a pneumatic control valve 3 and an adjustment hole 7 are arranged on the side wall, and an adjustment positioning pin 5 is arranged in the adjustment hole 7.

Described jack 1 is a 20-ton jack.

The output power of the pneumatic cylinder 2 is 20 tons of 20000N, and the output air pressure is 0.9~1.2Mpa.

The number of the pad irons 11 is two.

Its height of described pad iron 11 is identical with straightening pressure head 10 heights.

Described regulating hole is respectively provided with 2 in parallel on the side wall of frame 8 left and right.

The distance between the upper and lower sides of the adjustment hole 7 is 10 cm.

Example 2

A pneumatic straightening machine, comprising a jack 1, a pneumatic cylinder 2, a movable plate 12, a straightening head 10, a supporting plate 6 and a frame 8, and the jack 1 is arranged between the movable plate 12 and the top of the frame 8 , the movable plate 12 is connected to the top of the frame 8 through the tension spring 4, the pneumatic cylinder 2 is fixed on the side wall of the jack 1, the straightening head 10 is arranged on the lower part of the movable plate 12, and a pad is arranged on the supporting plate 6 Iron 11, the movable wheel 9 is installed at the bottom of the frame 8, the side wall is provided with a pneumatic control valve 3 and an adjustment hole 7, and an adjustment positioning pin 5 is arranged in the adjustment hole 7.

Described jack 1 is a 50-ton jack.

The output power of the pneumatic cylinder 2 is 20 tons of 20000N, and the output air pressure is 0.9~1.2Mpa.

The number of the pad irons 11 is four.

Its height of described pad iron 11 is identical with straightening pressure head 10 heights.

Described adjusting hole is respectively provided with 3 in parallel on the side wall of frame 8 left and right.

The distance between the upper and lower sides of the adjustment hole 7 is 10 cm.

Example 3

A pneumatic straightening machine, comprising a jack 1, a pneumatic cylinder 2, a movable plate 12, a straightening head 10, a supporting plate 6 and a frame 8, and the jack 1 is arranged between the movable plate 12 and the top of the frame 8 , the movable plate 12 is connected to the top of the frame 8 through the tension spring 4, the pneumatic cylinder 2 is fixed on the side wall of the jack 1, the straightening head 10 is arranged on the lower part of the movable plate 12, and a pad is arranged on the supporting plate 6 Iron 11, the movable wheel 9 is installed at the bottom of the frame 8, the side wall is provided with a pneumatic control valve 3 and an adjustment hole 7, and an adjustment positioning pin 5 is arranged in the adjustment hole 7.

Described jack 1 is a 40-ton jack.

The output power of the pneumatic cylinder 2 is 20 tons of 20000N, and the output air pressure is 0.9~1.2Mpa.

The number of the pad irons 11 is two.

Its height of described pad iron 11 is identical with straightening pressure head 10 heights.

Described regulating hole is respectively provided with 4 in parallel on the side wall of frame 8 left and right.

The distance between the upper and lower sides of the adjustment hole 7 is 10 cm.

Claims (6)

1. a pneumatic straightener, it is characterized in that: comprise jack (1), pneumatic cylinder (2), portable plate (12), straightening pressure head (10), Pallet (6) and frame (8), described jack (1) is arranged between portable plate (12) and frame (8) top, portable plate (12) is connected with frame (8) top by extension spring (4), described pneumatic cylinder (2) is fixed on jack (1) sidewall, described straightening pressure head (10) is arranged at portable plate (12) bottom, described Pallet (6) is arranged parallels (11), castor (9) is installed in described frame (8) bottom, sidewall arranges pneumatic control valve (3) and adjustment hole (7), arrange in described adjustment hole (7) and regulate alignment pin (5).

2. the pneumatic straightener of one according to claim 1, is characterized in that: described jack (1) is 20-50 ton jack.

3. the pneumatic straightener of one according to claim 1, is characterized in that: described parallels (11) its quantity is 2-4.

4. the pneumatic straightener of one according to claim 3, is characterized in that: its height of described parallels (11) is highly identical with straightening pressure head (10).

5. the pneumatic straightener of one according to claim 1, is characterized in that: described adjustment hole (7) left and right on frame (8) sidewall is parallel, respectively arranges 2-4.

6. the pneumatic straightener of one according to claim 5, is characterized in that: its upper and lower spacing distance of described adjustment hole (7) is 10cm.