Laser angle detection device with dust removal function

Abstract

The utility model relates to a laser angle detection device with a dust removal function, which comprises a mounting frame, a laser emitting lens and a laser receiving lens are arranged in the mounting frame, after the laser emitting lens emits laser to a bent workpiece, reflected light is received by the laser receiving lens so as to calculate the bending angle of the workpiece, and a dust removal mechanism is arranged on the mounting frame. The dust removal mechanism comprises an air source distributor, the air source distributor is fixedly connected with the installation support, the input end of the air source distributor is connected with an air inlet pipe, the air source distributor is provided with three air outlets, one air outlet faces the laser emitting lens, and the other air outlet faces the laser receiving lens; one air outlet hole is aligned to the position, emitted by the laser emission lens, of the workpiece; according to the utility model, the detection precision of the laser angle detection device is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to a laser angle detection device with a dust removal function. Background Art

[0002] Bending and forming belongs to cold processing of equal material manufacturing, which is energy-saving and environmentally friendly. It is widely used in the bending processing of components in industries such as automobiles, shipbuilding, containers, cranes, engineering machinery, construction institutions, metal structures, lamp poles, and power poles. It has a wide range of applications and a large market demand. With the rapid advancement of intelligent bending, robots replace manual workpiece bending and forming. Since they cannot be manually inspected after manual bending, the shortcomings of the workpiece angle cannot be guaranteed are gradually exposed. Robot automated bending can easily cause batch scrapping of workpieces. In order to complete the online detection of the bending angle of the workpiece, a laser angle online measurement device is currently generally used. The patent publication number CN210995922U "A Steel Plate Bending Angle Measurement System" discloses the structure and principle of a laser angle measurement device. In actual use, this laser detection method has the following technical problems: the sheet metal processing workshop has a lot of dust, and the workpiece surface, mold surface and the lens of the laser detection device are all easily contaminated with dust, thereby affecting the detection accuracy. Summary of the invention

[0003] The purpose of the utility model is to solve the problems existing in the above-mentioned prior art and to provide a laser angle detection device with a dust removal function.

[0004] The specific scheme of the utility model is: a laser angle detection device with a dust removal function, including a mounting frame, a laser emitting lens and a laser receiving lens are installed in the mounting frame, the laser emitting lens emits laser to the bending workpiece and the reflected light is received by the laser receiving lens to calculate the bending angle of the workpiece, the mounting frame is equipped with a dust removal mechanism, the dust removal mechanism includes an air source distributor, the air source distributor is fixedly connected to the mounting bracket, the input end of the air source distributor is connected to an air inlet pipe, the air source distributor is provided with three air outlets, one of the air outlets is facing the laser emitting lens, one air outlet is facing the laser receiving lens, and one air outlet is aligned with the position on the workpiece where the laser is emitted by the laser emitting lens.

[0005] Furthermore, a reversing valve is installed on the air inlet pipe, and the reversing valve is connected to the control system of the bending machine.

[0006] Furthermore, an air duct is provided in the air source distributor, and the air duct is connected with the air inlet pipe and all the air outlet holes.

[0007] Furthermore, the gas source distributor is connected to the mounting frame via bolts.

[0008] Furthermore, the air outlet is a conical air hole to increase the spray range.

[0009] Compared with the prior art, the utility model has the following advantages: by setting an air source distributor, three air holes are set on the air source distributor, which can blow to the workpiece, the mold surface, the camera laser line receiving lens and the camera laser line emitting lens respectively, so as to remove dust at the corresponding positions, ensure that there are no foreign objects at the laser line projection location, and ensure the accuracy of laser angle detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is the front view of the utility model;

[0011] Figure 2 yes Figure 1 Side view of

[0012] In the figure: 1. Compensation workbench; 2. Guide rail; 3. Mounting bracket; 4. Laser detector; 41. Laser emitting lens; 42. Laser receiving lens; 5. Detection point; 6. Air source distributor; 61. Air outlet A; 62. Air outlet B; 63. Air outlet C; 7. Lower mold; 8. Workpiece; 9. Air inlet pipe; 10. Reversing valve. DETAILED DESCRIPTION

[0013] See also Figure 1-2 The present embodiment is a laser angle detection device with a dust removal function, comprising a mounting frame 3, in which a laser detector 4 is installed. The laser detector 4 is provided with a laser emitting lens 41 and a laser receiving lens 42. The laser emitting lens 41 emits a laser to the bending workpiece 8, and then the reflected light is received by the laser receiving lens 42, thereby calculating the bending angle of the workpiece 8. The mounting frame 3 is provided with a dust removal mechanism, which comprises an air source distributor 6, which is fixedly connected to the mounting bracket, and an air inlet pipe 9 is connected to the input end of the air source distributor 6. The air source distributor 6 is provided with three air outlets, wherein the air outlet A61 faces the laser emitting lens 41, the air outlet B62 faces the laser receiving lens 42, and the air outlet C63 is aligned with the position on the workpiece 8 where the laser is emitted by the laser emitting lens 41, that is, the detection point 5; the other end of the air inlet pipe 9 is connected to a compressed air source, and the compressed air is sprayed through the three air outlets to remove dust from the corresponding parts.

[0014] Furthermore, a reversing valve 10 is installed on the air inlet pipe 9, and the reversing valve 10 is connected to the control system of the bending machine. The switch of the reversing valve 10 is controlled by the system, thereby controlling the dust removal frequency of the workpiece 8 surface, the lower mold 7 surface, the laser receiving lens 42 and the laser emitting lens 41.

[0015] Furthermore, an air channel is provided in the air source distributor 6, and the air channel is connected with the air inlet pipe 9 and all the air outlet holes.

[0016] Furthermore, the gas source distributor 6 is connected to the mounting frame 3 via bolts.

[0017] Furthermore, the three air outlet holes are all conical air outlet holes, and the ejected gas is scattered outwards to increase the injection range.

[0018] A guide rail 2 is provided on each side of the compensation workbench 1 of the bending machine. A slider is installed on the mounting frame 3 of the utility model. The slider slides along the guide rail 2 and is driven by a motor. The motor is directly controlled by the control system, so that it can be moved to any position that needs to be detected. The air source distributor 6 always moves with the mounting frame 3.

Claims

1. A laser angle detection device with dust removal function, comprising a mounting frame, wherein a laser transmitting lens and a laser receiving lens are installed in the mounting frame. After the laser transmitting lens transmits laser to the bending workpiece, the reflected light is received by the laser receiving lens to calculate the bending angle of the workpiece, and the device is characterized by: The mounting frame is provided with a dust removal mechanism, which includes an air source distributor, which is fixedly connected to the mounting bracket, an input end of the air source distributor is connected to an air inlet pipe, and the air source distributor is provided with three air outlets, one of which faces the laser emitting lens, one faces the laser receiving lens, and one is aligned with the position on the workpiece where the laser is emitted by the laser emitting lens.

2. The laser angle detection device with dust removal function according to claim 1, characterized in that: The air inlet pipe is provided with a reversing valve, which is connected to the control system of the bending machine.

3. The laser angle detection device with dust removal function according to claim 1, characterized in that: An air channel is arranged in the air source distributor, and the air channel is communicated with the air inlet pipe and all the air outlet holes.

4. The laser angle detection device with dust removal function according to claim 1, characterized in that: The gas source distributor is connected to the mounting frame via bolts.

5. The laser angle detection device with dust removal function according to claim 1, characterized in that: The air outlet is a conical air outlet to increase the spray range.

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