Laser beam parameter measuring device

Abstract

The utility model belongs to the field of additive manufacturing, and relates to a laser beam parameter measuring device which comprises a measuring probe, an automatic moving device and a wireless communication module. The measuring probe is arranged on the automatic moving device and synchronously moves along with the automatic moving device; the wireless communication module comprises a first wireless communication module arranged on the measuring probe and a second wireless communication module arranged on the automatic moving device. The laser beam parameter measuring device provided by the utility model has the advantages of high detection efficiency and high safety degree.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of additive manufacturing relates to a laser beam parameter measuring device, especially in a mobile laser beam parameter measuring device. BACKGROUND

[0002] In the metal 3D printing equipment, the stability of laser beam parameters plays a decisive role in the quality of metal powder melting, if the laser beam parameters are unstable, it may cause the metal powder melting shortage, cause the part strength not enough, cause surface quality defects, or the metal powder is over-melted, the phenomenon of metal powder splashing appears, causes the part structure deformation and other quality problems.

[0003] In order to ensure the quality and consistency of the metal powder melting process, before printing parts, laser beam parameters are generally detected and calibrated regularly. In multi-light equipment, since the laser beam parameter measuring device needs to be moved frequently, when facing a large number of equipment, this simple and frequent movement of the laser beam parameter measuring device not only consumes a lot of manual labor time, and the efficiency of laser beam parameter measurement is also low, which causes a large waste of machine time. At the same time, since the existing laser beam parameter measuring device is a line or pipe (such as signal line, power line or water cooling pipe) operation, the forming chamber will reserve a gap or fail to seal due to the line, and a gap is formed, when the parameter is measured, the high-power laser in the forming chamber may escape from the gap, causing laser damage to the workers or other instruments and equipment. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problems existing in the background art, the utility model provides a laser beam parameter measuring device with high detection efficiency and high safety degree.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A laser beam parameter measuring device, characterized in that: the laser beam parameter measuring device comprises a measuring probe, an automatic moving device and a wireless communication module; the measuring probe is placed on the automatic moving device and moves synchronously with the automatic moving device; the wireless communication module is provided with a first wireless communication module arranged on the measuring probe and a second wireless communication module arranged on the automatic moving device.

[0007] The automatic moving device is an automatic guide rail sliding block mechanism or an automatic moving trolley mechanism, and the automatic moving device is provided with a power supply.

[0008] The automatic moving device is an automatic moving trolley mechanism, and the automatic moving trolley mechanism comprises a moving trolley; and the measuring probe is arranged on the moving trolley and can move freely along with the moving trolley.

[0009] The first sliding guide rod is one or a plurality of parallel rods.

[0010] The first sliding guide rod is one or a plurality of parallel rods.

[0011] The automatic moving device is an automatic moving trolley mechanism, and the automatic moving trolley mechanism comprises a moving trolley; and the measuring probe is arranged on the moving trolley and can move freely along with the moving trolley.

[0012] The moving trolley is a differential trolley, a tracked trolley or an omnidirectional trolley.

[0013] The first wireless communication module is one or a plurality of modules, and the second wireless communication module is one or a plurality of modules.

[0014] The laser beam parameter measuring device further comprises a third sliding guide rod arranged vertically on the automatic moving device; and the measuring probe is arranged on the third sliding guide rod and can slide freely along the axial direction of the third sliding guide rod.

[0015] The measuring probe is a laser power meter or a laser spot analyzer.

[0016] The utility model discloses a laser beam parameter measuring device, which comprises a measuring probe, a first wireless communication module and a second wireless communication module.

[0017] The utility model provides a kind of laser beam parameter measuring device, including measurement probe, automatic moving device and wireless communication module;Measurement probe is placed on automatic moving device and moves synchronously with automatic moving device;Wireless communication module includes the first wireless communication module being set on measurement probe and the second wireless communication module being set on automatic moving device.The utility model lets traditional measurement probe controllable independent movement, the light of laser is controlled by host computer MCS, cooperate automatic moving device to complete efficient detection calibration laser beam parameter task, realize the detection needs of efficient quick automation laser beam parameter, not only save artificial working hours, also improve the efficiency of laser beam parameter detection calibration, also save the large machine time of equipment, realize the cost reduction and efficiency increase of equipment.In addition, change the mode of wireless transmission for traditional wire and pipe operation mode, promote high-power laser to escape in forming chamber, ensure the personal safety of staff and the use safety of other equipment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the laser beam parameter measuring device (example one) provided by the utility model;

[0019] Figure 2 It is the structure schematic diagram of the laser beam parameter measuring device (example two) provided by the utility model;

[0020] Figure 3 It is the control flow principle block diagram of the laser beam parameter measuring device provided by the utility model;

[0021] Among them:

[0022] 1-fixed seat;2-first sliding guide rod;3-first mobile sliding block;4-second sliding guide rod;5-second mobile sliding block;6-third sliding guide rod;7-measurement probe;8-mobile trolley. DETAILED DESCRIPTION

[0023] The utility model provides a kind of laser beam parameter measuring device, including measurement probe 7, automatic moving device and wireless communication module;Measurement probe 7 is placed on automatic moving device and moves synchronously with automatic moving device, preferably non-water-cooled measurement probe, avoid measurement probe connection water cooling pipe;Wireless communication module includes the first wireless communication module being set on measurement probe and the second wireless communication module being set on automatic moving device.The first wireless communication module and the second wireless communication module specifically can be any device of radio frequency circuit, bluetooth chip, Wi-Fi chip etc. and host computer interaction.In some embodiments, the first wireless communication module and the second wireless communication module can be integrated in the same wireless communication module.

[0024] It needs to be explained that automatic moving device is equipped with power supply, and additional wire and other lines do not need to be set.

[0025] Referring to Figure 3 The working process of the laser beam parameter measurement device provided by the utility model is as follows: the utility model (regardless of the automatic guide rail sliding block mechanism shown in Figure 1 or the automatic moving trolley mechanism shown in Figure 2 ) is placed on the forming chamber bottom plate, and the preparation work for laser beam parameter measurement is completed; the laser beam system center position coordinates that need to be detected are issued to the second wireless communication module by the upper computer MCS; subsequently, the automatic moving device moves the measurement probe 7 center to the corresponding position coordinates through the servo system; the light of the corresponding laser is controlled by the upper computer MCS, the laser beam parameter detection calibration is completed, the light of the laser is turned off, and the laser beam parameter data is transmitted back to the upper computer. When the laser beam parameter detection calibration task is completed, the utility model is withdrawn from the forming chamber; if the task is not completed, the foregoing content is repeatedly performed until the parameter detection calibration of the multiple laser beams is completed.

[0026] The automatic moving device adopted by the utility model can be an automatic guide rail sliding block mechanism (embodiment one) or an automatic moving trolley mechanism (embodiment two).

[0027] Referring to Figure 1 , embodiment one of the automatic moving device provided by the utility model, that is, when the automatic moving device is an automatic guide rail sliding block mechanism, the automatic guide rail sliding block mechanism comprises a first sliding rail assembly, a second sliding rail assembly, a first moving sliding block 3, a second moving sliding block 5, a first driving member and a second driving member; the first moving sliding block 3 is arranged on the first sliding rail assembly; the first driving member is connected with the first moving sliding block 3 and drives the first moving sliding block 3 to move along the axial direction of the first sliding rail assembly; the second sliding rail assembly is arranged on the first moving sliding block 3; the axial direction of the second sliding rail assembly is non-parallel to the axial direction of the first sliding rail assembly; the second moving sliding block 5 is arranged on the second sliding rail assembly; the second driving member is connected with the second moving sliding block 5 and drives the second moving sliding block 5 to move along the axial direction of the second sliding rail assembly; the second wireless communication module is arranged on the first moving sliding block 3 and the second moving sliding block 5; the measurement probe 7 is arranged on the second moving sliding block 5 and moves synchronously with the second moving sliding block 5.

[0028] For example, referring to Figure 1 , the first sliding rail assembly can be two groups, and the two groups of first sliding rail assemblies are arranged in parallel, and each of the first sliding rail assemblies is provided with the first moving sliding block 3. Please continue to refer to Figure 1 , the first sliding rail assembly adopted by the utility model comprises a first sliding guide rod 2 and a fixed seat 1 arranged at both ends of the first sliding guide rod 2; the first sliding guide rod 2 is one or a plurality of parallel rods; the second sliding rail assembly comprises a second sliding guide rod 4; the second sliding guide rod 4 is inserted into the first moving sliding block 3; the second sliding guide rod 4 is one or a plurality of parallel rods.

[0029] In the embodiment, two first sliding guide rods 2 and two second sliding guide rods 4 are exemplarily selectable. Exemplarily, a third sliding guide rod 6 and a third driving member are vertically arranged on the second moving slider 5, and the measuring probe 7 is arranged on the third sliding guide rod 6, and the third driving member is connected with the measuring probe 7 and drives the measuring probe 7 to slide along the axial direction of the third sliding guide rod 6. Exemplarily, the first driving member, the second driving member and the third driving member can all be motors, especially motors driven by a battery or a storage battery, and exemplarily, the battery or the storage battery is arranged on the first slide rail assembly and / or the second slide rail assembly.

[0030] In the working process of the automatic guide rail sliding block mechanism, the host computer MCS sends the center position coordinates of a laser beam system to be detected to the second wireless communication module, the first driving member and / or the second driving member is turned on, the first moving slider 3 is driven to slide on the first sliding guide rod 2 and / or the second moving slider 5 is driven to slide on the second sliding guide rod 4, the measuring probe 7 arranged on the second moving slider 5 is moved to the center position coordinates, meanwhile, the Z-direction height of the measuring probe 7 can be adjusted on the third sliding guide rod 6, and finally the measurement and calibration task of the laser power is completed.

[0031] Referring to Figure 2 , the embodiment two of the automatic moving device provided by the utility model is that the automatic moving device is an automatic moving trolley mechanism, and the automatic moving trolley mechanism comprises a moving trolley 8; the measuring probe 7 is arranged on the moving trolley 8 and can move with the moving trolley 8. Exemplarily, the moving trolley 8 is a differential trolley, a tracked trolley or an omnidirectional trolley. Exemplarily, the moving trolley is driven by a battery or a storage battery, and the battery or the storage battery can be arranged on the moving trolley 8. In addition, in the embodiment, a third sliding guide rod 6 and a third driving member are vertically arranged on the moving trolley 8, the measuring probe 7 is arranged on the third sliding guide rod 6, and the third driving member is connected with the measuring probe 7 and drives the measuring probe 7 to slide along the axial direction of the third sliding guide rod 6.

[0032] In the working process of the automatic moving trolley mechanism, the host computer MCS sends the center position coordinates of a laser beam system to be detected to the second wireless communication module, the moving trolley 8 is turned on, the measuring probe 7 arranged on the moving trolley 8 is moved to the center position coordinates, meanwhile, the Z-direction height of the measuring probe 7 can be adjusted on the third sliding guide rod 6, and finally the measurement and calibration task of the laser power is completed.

[0033] Exemplarily, the number of the first wireless communication modules is one or more, and the number of the second wireless communication modules is one or more modules. Exemplarily, the first wireless communication module and the second wireless communication module can be the same, for example, various mature commercial products. It should be noted that the first wireless communication module arranged on the measuring probe 7 is used for receiving the opening or closing instruction of the measuring probe and transmitting the detection data to the upper computer in a wireless mode; and the second wireless communication module arranged on the automatic moving device is used for receiving the center position coordinates of the laser beam system to be detected sent by the upper computer MCS. Preferably, the measuring probe 7 used in the utility model can be a laser power meter or a laser spot analyzer.

Claims

1. A laser beam parameter measuring device, characterized by: The laser beam parameter measurement device comprises a measurement probe (7), an automatic moving device and a wireless communication module; the measurement probe (7) is placed on the automatic moving device and moves synchronously with the automatic moving device; the wireless communication module comprises a first wireless communication module arranged on the measurement probe and a second wireless communication module arranged on the automatic moving device; The automatic moving device is an automatic guide rail slider mechanism or an automatic moving trolley mechanism, and the automatic moving device is provided with a power supply.

2. The laser beam parameter measuring device according to claim 1, characterized in that: When the automatic moving device is the automatic guide rail slider mechanism, the automatic guide rail slider mechanism comprises a first sliding rail assembly, a second sliding rail assembly, a first moving slider (3), a second moving slider (5), a first driving member and a second driving member; the first moving slider (3) is placed on the first sliding rail assembly; the first driving member is connected with the first moving slider (3) and drives the first moving slider (3) to move along the axial direction of the first sliding rail assembly; the second sliding rail assembly is placed on the first moving slider (3); the axial direction of the second sliding rail assembly is non-parallel to the axial direction of the first sliding rail assembly; the second moving slider (5) is placed on the second sliding rail assembly; the second driving member is connected with the second moving slider (5) and drives the second moving slider (5) to move along the axial direction of the second sliding rail assembly; the wireless communication module is arranged on the first moving slider (3) and the second moving slider (5); the measurement probe (7) is placed on the second moving slider (5) and moves synchronously with the second moving slider (5).

3. The laser beam parameter measuring device according to claim 2, characterized in that: The first sliding rail assembly is two groups, and the two groups of first sliding rail assemblies are arranged in parallel, and each of the first sliding rail assemblies is provided with the first moving slider (3).

4. The laser beam parameter measuring device of claim 3, wherein: The first sliding rail assembly comprises a first sliding guide rod (2) and a fixed seat (1) arranged at both ends of the first sliding guide rod (2); the first sliding guide rod (2) is one or a plurality of parallel rods; the second sliding rail assembly comprises a second sliding guide rod (4); the second sliding guide rod (4) penetrates the first moving slider (3); and the second sliding guide rod (4) is one or a plurality of parallel rods.

5. The laser beam parameter measurement device of claim 1, wherein: When the automatic moving device is the automatic moving trolley mechanism, the automatic moving trolley mechanism comprises a moving trolley (8); and the measurement probe (7) is placed on the moving trolley (8) and moves freely with the moving trolley (8).

6. The laser beam parameter measuring device of claim 5, wherein: The moving trolley (8) is a differential trolley, a tracked trolley or an omnidirectional trolley.

7. The laser beam parameter measuring apparatus according to any one of claims 1 to 6, characterized by: The number of the first wireless communication module is one or more, and the number of the second wireless communication module is one or more.

8. The laser beam parameter measuring device according to claim 7, characterized in that: The laser beam parameter measurement device further comprises a third sliding guide rod (6) arranged vertically on the automatic moving device; and the measurement probe (7) is arranged on the third sliding guide rod (6) and moves freely along the axial direction of the third sliding guide rod (6).

9. The laser beam parameter measuring device of claim 8, wherein: The measurement probe (7) is a laser power meter or a laser spot analyzer.

Images