CN107900432A - A kind of automation cutting system for shearing sketch plate - Google Patents

Abstract

The invention relates to the field of forging machinery, in particular to an automatic shearing system capable of cutting special-shaped plates, which includes several roller devices, a shearing machine is installed at the front end of the roller devices, and at least two roller devices are installed between the roller devices. Feeding device, below the roller shaft near the front end is equipped with a worktable across all the roller shaft devices, at least three front positioning devices are installed on the end of the worktable near the shearing machine, and a side positioning device is installed outside the leftmost roller shaft, There are at least two side positioning devices at a certain distance from the right end of the side positioning device. The feeding device includes a track parallel to the roller shaft. A slidable clamping device is installed on the track, and the clamping device is driven and controlled by a servo motor. distance, the clamping device includes clamps, and the clamps are hinged to the oil cylinder that controls the action of the clamps. The actions of the shears, roller motors, servo motors, cylinders, and oil cylinders are all controlled by the numerical control system; the invention realizes special-shaped plate shears. cutting, simple structure and low cost.

Description

An automatic shearing system capable of shearing special-shaped plates

technical field

The invention relates to the field of forging machinery, in particular to an automatic shearing system capable of shearing special-shaped plates.

Background technique

At present, the shearing machine is widely used, but it is generally used to cut regular squares. According to the diversified requirements of the market, there are more and more demands for special-shaped steel plates such as trapezoidal or rhombus. At present, it can only be operated manually. For larger formats It is difficult to manually adjust the steel plate, and it is very difficult for workers to move on it due to the complicated device on the table. Therefore, it is very difficult and inefficient to realize the shearing of special-shaped plates through manual adjustment.

Contents of the invention

The purpose of the present invention is to provide an automatic shearing system capable of cutting special-shaped plates in order to solve the problem that it is very difficult and extremely inefficient to cut special-shaped plates through manual adjustment.

The specific scheme of the present invention is: an automatic shearing system capable of cutting special-shaped plates, including several roller devices arranged in parallel, a shearing machine is installed at the front end of the roller devices, and at least two roller devices are installed between the roller devices. Each roller shaft device includes several horizontally arranged roller shafts. The rear end of each roller shaft is connected to the roller shaft bracket. Each roller shaft bracket is equipped with at least one roller shaft motor to drive the roller shaft to rotate. A workbench perpendicular to the roller shaft and across all the roller shaft devices is installed at a certain distance from the front end. At least three front positioning devices are installed at a certain distance on the end of the workbench close to the shearing machine, and a certain distance is installed on the workbench near the rear end. There are at least three side positioning devices, one of which is located outside the outermost roller shaft. The front positioning device and the side positioning device include a shaft sleeve fixed on the worktable, and a positioning pin is installed in the shaft sleeve. The bottom of the positioning pin is connected to the cylinder, and the action of the cylinder makes the positioning pin rise and fall. The height of the positioning pin is lower than the top of the roller shaft when it is in normal state, and the height exceeds the top of the roller shaft when it rises. The feeding device includes a track parallel to the roller shaft. Slidable clamping device, the clamping device is driven by a servo motor and controls the moving distance, the clamping device includes a clamp, the clamp is hinged with an oil cylinder that controls the action of the clamp, the driving mechanism of the shearing machine, the roller motor, The actions of the servo motor, air cylinder and oil cylinder are all controlled by the numerical control system.

The clamping device of the present invention is also equipped with a guide wheel, which is used for guiding when the sheet material moves relative to the clamp.

The working principle of the present invention is as follows: according to the size of the sheet to be cut, two appropriate feeding devices are selected to push the sheet, the front positioning device and the side positioning device are used to locate the starting point of processing, and the numerical control system The shape of the cut calculates the distance to be pushed by each clamping device during each cut, so as to realize the special-shaped cut.

Compared with the prior art, the present invention has the advantages that it can not only realize the shearing of rectangular steel plates, but also realize the shearing of special-shaped steel plates, and the feeding process is automatically controlled by the numerical control system without manual adjustment, and the repeatability and stability are high. The efficiency is greatly improved, and the product quality is more guaranteed.

Description of drawings

Fig. 1 is a front view of the present invention;

Fig. 2 is the A-A view of Fig. 1;

Fig. 3 is an enlarged view of the clamping device of the present invention;

Fig. 4 is a schematic diagram of sheet metal processing according to an embodiment of the present invention;

In the figure: 1-shearing machine, 2-table, 3-side positioning device, 3a-side positioning device, 3b-side positioning device, 31-location pin, 32-shaft sleeve, 33-cylinder, 4-roller Axis, 5-roller bracket, 6-roller motor, 7-track, 8-clamping device, 81-clamp, 82-oil cylinder, 83-guide wheel, 9-feeding device, 9a-feeding device, 9b- Feeding device, 10-roller shaft device, 11-front positioning device, 12-sheet material.

Detailed ways

Referring to Fig. 1-3, the present embodiment comprises several roller shaft devices 10 arranged in parallel, the shearing machine 1 is equipped with at the front end of the roller shaft device 10, and at least two feeding devices 9 are also housed between the roller shaft devices 10, each The roller shaft device 10 comprises several horizontally arranged roller shafts 4, each roller shaft 4 rear end is connected with a roller shaft support 5, and each roller shaft support 5 is equipped with at least one roller shaft motor 6 to drive the roller shaft 4 to rotate, and the roller shaft 4 A workbench 2 perpendicular to the roller shaft 4 and across all the roller shaft devices 10 is installed at a certain distance from the front end below, and at least three front positioning devices 11 are installed at a certain distance from one end of the workbench 2 near the shearing machine 1. At least three side positioning devices 3 are installed at a certain distance near the rear end on the workbench 2, and one of the side positioning devices 3 is located outside the outermost roller shaft 4. The front positioning device 11 and the side positioning device 3 include a fixed The shaft sleeve 32 on the table 2, the shaft sleeve 32 is equipped with a positioning pin shaft 31, the bottom of the positioning pin shaft 31 is connected to the cylinder 33, and the action of the cylinder 33 makes the positioning pin shaft 31 rise and fall, and the height of the positioning pin shaft 31 is lower than the top of the roller shaft 4 in normal state When rising, the height exceeds the top of the roller shaft 4. The feeding device 9 includes a rail 7 parallel to the roller shaft 4. A slidable clamping device 8 is installed on the rail 7. The clamping device 8 is driven by a servo motor and controls the moving distance. Clamping device 8 comprises clamp 81, and clamp 81 is hinged with the oil cylinder 82 of control clamp 81 action, and the action of the driving mechanism of described shearing machine 1, roller shaft motor 6, servo motor, cylinder 33, oil cylinder 82 is all controlled by CNC system control.

The clamping device 8 in this embodiment is also equipped with a guide wheel 83 for guiding the sheet material 12 when it moves relative to the clamp 81 .

Referring to Fig. 4, taking the processing of a sheet material 12 with a length of 4575mm and a width of 2000mm as an example, assuming that the finished product to be processed is trapezoidal, the length of the upper bottom is 380mm, the length of the lower bottom is 548mm, and the height is 4575mm.

According to the size of the sheet material 12, select the side positioning device 3b, select the feeding device 9a and the feeding device 9b; the distance L12 between the center of the feeding device 9a and the feeding device 9b is 3403mm, and the distance L1 between the center of the feeding device 9a and the rib of the side positioning device 3b is 248mm, the distance between the edge of the front positioning device 11 and the edge of the shearing machine 1 is 446mm, and the distance between the feeding devices 9a and 9b is 50mm when the front positioning device 11 is jacked up;

The numerical control system calculates based on the above dimensions:

The taper of the finished product is 2.1°, the forward difference between feeding devices 9a and 9b is 124.8mm, and the width of the first trimming is 144mm. According to the calculated value, the numerical control system controls the action steps of each component as follows:

1. The positioning pin shaft 31 of the front positioning device 11 and the side positioning device 3b is jacked up, and the sheet 12 is first pushed forward by the feeding devices 9a and 9b to the edge contacting the positioning pin shaft 31 of the front positioning device 11;

2. When the roller motor 6 is started and the sheet 12 is pushed to the side positioning device 3b to contact the positioning pin 31 of the side positioning device 3b, the roller motor 6 is stopped;

3. The feeding devices 9a and 9b clamp the sheet 12 and move back 50mm, while the positioning pins 31 of the front positioning device 11 and the side positioning device 3b descend;

4. The feeding devices 9a and 9b clamp the plate 12 and advance 640mm, and the shearing machine 1 moves to cut the first knife and remove the waste;

5. The tool holder of the shearing machine 1 returns, the feeding device 9a clamps the sheet material 12 and stops in place, and the feeding device 9b releases the sheet material 12 and advances 124.8mm;

6. The feeding device 9b clamps the sheet material, the feeding devices 9a and 9b advance 390.1mm at the same time, and the shearing machine 1 moves to cut the second knife to form the first finished product;

7. The tool holder of the shearing machine 1 returns, the feeding device 9b clamps the sheet material 12 and stops in place, and the feeding device 9a releases the sheet material 12 and advances 124.8mm;

8. The feeding device 9a clamps the sheet, the feeding devices 9a and 9b advance 413.1mm at the same time, and the shearing machine 1 moves to cut the third knife to form the second finished product;

9. The tool holder of the shearing machine 1 returns, the feeding device 9a clamps the sheet material 12 and stops in place, and the feeding device 9b releases the sheet material 12 and advances 124.8mm;

10. The feeding device 9b clamps the sheet, the feeding devices 9a and 9b advance 389.5mm at the same time, and the shearing machine 1 moves to cut the fourth knife to form the third finished product and the fourth finished product;

11. The knife rest of the plate shearing machine 1 returns, and the feeding devices 9a and 9b advance and push the fourth finished product at the same time.

Claims (2)

1. An automatic shearing system capable of cutting special-shaped plates, comprising several roller devices arranged in parallel, a shearing machine is installed at the front end of the roller devices, and at least two feeding devices are arranged between the roller devices, each The root roller shaft device includes several horizontally arranged roller shafts, the rear end of each roller shaft is connected to the roller shaft bracket, and each roller shaft bracket is equipped with at least one roller shaft motor to drive the roller shaft to rotate. A workbench perpendicular to the roller shaft and across all the roller shaft devices is installed at a certain distance. At least three front positioning devices are installed at a certain distance on the end of the workbench close to the shearing machine, and a certain distance is installed on the workbench near the rear end. At least three side positioning devices are installed, one of which is located outside the outermost roller shaft. The front positioning device and the side positioning device include a shaft sleeve fixed on the workbench, and a positioning pin is installed in the shaft sleeve. The bottom of the pin shaft is connected to the cylinder, and the action of the cylinder makes the positioning pin shaft rise and fall. The height of the positioning pin shaft is lower than the top of the roller shaft when it is normal, and the height exceeds the top of the roller shaft when it rises. The feeding device includes a track parallel to the roll shaft. Sliding clamping device, the clamping device is driven by a servo motor and controls the moving distance, the clamping device includes a clamp, the clamp is hinged with the oil cylinder that controls the action of the clamp, the driving mechanism of the shearing machine, the roller motor, the servo The actions of the motor, cylinder and oil cylinder are all controlled by the numerical control system. 2. An automatic shearing system capable of cutting special-shaped plates according to claim 1, characterized in that: the clamping device is also equipped with a guide wheel, which is used to guide the plate when it moves relative to the clamp .