CN202607079U - Multidimensional laser numerical control processing system - Google Patents

Abstract

The utility model discloses a multi-dimensional laser processing numerical control system, which comprises a chassis, a laser welder, a PC, a human-computer interaction module, a turntable, a stepping motor, a planar reluctance motor, a linear switched reluctance motor and a control drive module; The chassis is equipped with a first support arm and a second support arm. The laser welder is installed on the first support arm and connected to the control drive module; the human-computer interaction module is installed on the second support arm, and the linear switch reluctance The stator base of the motor is installed on the side wall of the chassis, the fixed base of the planar reluctance motor is installed on the mover platform of the linear switched reluctance motor, and the fixed base of the planar reluctance motor is connected with the linear switched reluctance motor The base of the stator is vertical; the turntable is installed on the moving platform of the planar reluctance motor and is located below the laser welder. The utility model adopts a planar reluctance motor in the XY direction and a linear switched reluctance motor in the Z axis direction, and has less transmission capacity, optimized structure, and relatively convenient manufacturing and processing.

Description

Multi-dimensional laser processing CNC system

technical field

The utility model relates to the technical field of laser welding numerical control processing, in particular to a multi-dimensional laser processing numerical control system.

Background technique

Existing laser processing numerical control systems generally use two-axis linkage laser processing equipment. This kind of equipment can only complete welding processing in a two-dimensional plane, and cannot complete work surface treatment and other occasions that require rotary processing, nor can it complete three-axis welding. Linkage complex curved surface 3D laser welding processing. Moreover, in the existing CNC system for laser processing, ordinary motors (such as servo motors) are used to drive the platform, which has a large transmission capacity and complex structure. It cannot adapt to different industrial occasions for flexible changes, and its versatility is low. Moreover, the above-mentioned numerical control machining system lacks the auxiliary design function, the operation is complicated, and the requirements for the quality of the operators are high.

In view of this, the utility model provides a multi-dimensional laser processing numerical control system.

Contents of the invention

In view of the shortcomings of the above-mentioned prior art, the purpose of this utility model is to provide a multi-dimensional laser processing numerical control system, which can perform three-dimensional laser precision processing, and can also rotate the turntable during the processing to realize surface processing of the workpiece.

In order to achieve the above object, the utility model has taken the following technical solutions:

A multi-dimensional laser processing numerical control system, which includes a chassis, a laser welder, a PC, a human-computer interaction module, a turntable, a stepping motor for controlling the rotation of the turntable, and a planar reluctance motor for controlling the movement of the turntable on the XY plane , The linear switched reluctance motor used to control the movement of the turntable along the Z-axis direction and the control drive module used to control the workpiece of the whole machine;

The PC and the control drive module are installed in the case, a first support arm and a second support arm are arranged on the case, the laser welder is installed on the first support arm, and Connected with the control drive module; the human-computer interaction module is installed on the second support arm and connected with the PC;

The stator base of the linear switched reluctance motor is installed on the side wall of the cabinet, the fixed base of the planar reluctance motor is installed on the mover platform of the linear switched reluctance motor, and the planar magnetic The fixed base of the resistance motor is perpendicular to the stator base of the linear switched reluctance motor; the turntable is installed on the moving platform of the planar reluctance motor and is located below the laser welder; the linear switched reluctance motor, The planar reluctance motor and the stepper motor are connected with the control drive module.

In the multi-dimensional laser processing numerical control system, a machine vision module for collecting video images of the workpiece processing process is provided on the first support arm, and the machine vision module is connected with a PC.

In the multi-dimensional laser processing numerical control system, the control drive module includes a motion control card, a driver module and a foot switch for starting, pausing and emergency stop control of the workpiece processing, and the motion control card is connected with the PC connection, the driver module and the foot switch are connected with the motion control card.

In the multi-dimensional laser processing numerical control system, the driver module includes a first driver for driving a planar reluctance motor, a second driver for driving a linear switched reluctance motor, and a third driver for driving a stepper motor The motion control card is connected to drive the planar reluctance motor through the first driver, the motion control card is connected to the linear switched reluctance motor through the second driver, and the motion control card is connected to the stepper motor through the third driver.

In the multi-dimensional laser processing numerical control system, the linear switched reluctance motor includes a stator base, a mover platform, a linear guide rail and a grating ruler, the linear guide rail is installed on the stator base, and the mover platform is installed It is arranged on the linear guide rail, and the grating ruler is installed on the stator base and is located on one side of the mover platform.

In the multi-dimensional laser processing numerical control system, the planar reluctance motor includes a fixed base, a mobile platform, an X linear guide rail, a Y linear guide rail, an X sensor, a Y sensor and a stator matrix, and the mobile platform includes an X-axis mobile platform and the Y-axis mobile platform; the Y linear guide rail is installed on a fixed base, the X linear guide rail is arranged on the Y-axis mobile platform, the Y-axis mobile platform is installed on the Y linear guide rail, and the X-axis The mobile platform is sleeved on the X linear guide rail, the Y sensor is installed on the fixed base, and is located on one side of the Y linear guide rail, the X sensor is located on one side of the X linear guide rail, and the stator matrix is arranged on the fixed base. And it is located below the X-axis moving platform.

In the multi-dimensional laser processing numerical control system, the stator matrix is formed by splicing a plurality of identical matrix element units.

In the multi-dimensional laser processing numerical control system, the machine vision module includes a video capture card and a camera, and the camera is connected to a PC through the video capture card.

In the multi-dimensional laser processing numerical control system, the turntable is provided with a fixture for fixing the workpiece.

In the multi-dimensional laser processing numerical control system, a power switch is provided on the chassis, and the power switch is connected to a PC.

Compared with the prior art, the multi-dimensional laser processing numerical control system provided by the utility model includes a chassis, a laser welder, a PC, a human-computer interaction module, a turntable, a stepping motor, a planar reluctance motor, a linear switched reluctance motor and Control the drive module, control the turntable to move on the XY plane through the planar reluctance motor, and combine the linear switch reluctance motor to control the turntable to move along the Z-axis direction to realize three-dimensional precision machining, which can make the workpiece realize straight lines and curves in three-dimensional space according to processing requirements During the processing, the turntable can also be controlled by the progressive motor to complete the processing of the workpiece surface. The multi-dimensional laser processing numerical control system provided by the utility model adopts a planar reluctance motor in the XY direction and a linear switched reluctance motor in the Z-axis direction. It is greatly reduced, and has high control precision and low cost. At the same time, combined with visual servo technology, it greatly reduces the difficulty of operation for operators.

Moreover, the planar reluctance motor in the multi-dimensional laser processing numerical control system provided by the utility model adopts a splicing structure, and the size and shape of the motor can be flexibly changed according to different processing occasions. advantage.

Description of drawings

Fig. 1 is a structural schematic diagram of the multi-dimensional laser processing numerical control system of the present invention.

Fig. 2 is a block diagram of the control structure of the multi-dimensional laser processing numerical control system of the present invention.

Fig. 3 is a structural schematic diagram of a linear switched reluctance motor in a multi-dimensional laser processing numerical control system of the present invention.

Fig. 4 is a schematic structural diagram of a planar reluctance motor in a multi-dimensional laser processing numerical control system of the present invention.

Fig. 5 is a schematic diagram of splicing the stator matrix of the planar reluctance motor in the multi-dimensional laser processing numerical control system of the present invention.

Detailed ways

The utility model provides a multi-dimensional laser processing numerical control system. In order to make the purpose, technical solution and effect of the utility model clearer and clearer, the utility model will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Fig. 1 and Fig. 2, the multi-dimensional laser processing numerical control system provided by the utility model includes a chassis 10, a laser welder 20, a PC machine 30, a human-computer interaction module 40, a turntable 50, a stepper motor 60, and a planar reluctance motor 80 , a linear switched reluctance motor 70 and a control drive module 90 .

Wherein, the PC 30 and the control drive module 90 are installed in the case 10, the first support arm 101 and the second support arm 102 are arranged on the case 10, and the laser welder 20 is installed in The first support arm 101 is connected to the control drive module 90 for performing laser welding on the workpiece. Wherein, the laser welder 20 includes a laser emitter 201 and a shielding gas switch 202 , and both the laser emitter 201 and the shielding gas switch 202 are connected to the motion control card 901 .

The man-machine interaction module 40 is mounted on the second support arm 102 and connected to the PC 30 for the operator to input operation parameters. The human-computer interaction module 40 can use keyboard or touch screen input mode for operators to extract corresponding workpiece parameters.

The turntable 50 is installed on the moving platform 802 (as shown in FIG. 4 ) of the planar reluctance motor 80 , and is located below the laser welder 20 , and the rotation of the turntable 50 is controlled by the stepping motor 60 . The fixed base 801 (as shown in FIG. 4 ) of the planar reluctance motor 80 is installed on the mover platform 702 (as shown in FIG. 3 ) of the linear switched reluctance motor 70 , and the planar reluctance motor The fixed base 801 of 80 is perpendicular to the stator base 701 (as shown in FIG. 3 ) of the linear switched reluctance motor 70, and the planar reluctance motor 80 is used to control the movement of the turntable 50 on the XY plane, that is, Control the workpiece to move along the X-axis and Y-axis according to the processing requirements. The stator base 701 of the linear switched reluctance motor 70 is installed on the side wall of the cabinet 10, and is used to control the movement of the turntable 50 along the Z-axis direction, that is, the planar reluctance motor 80 and the linear switched reluctance motor 70 control the turntable Move along the X-axis, Y-axis and Z-axis to realize three-dimensional precision machining. The stepper motor 60 controls the rotation of the turntable, which is used in the occasion of completing the machining of the shape of the workpiece.

The linear switched reluctance motor 70 , the planar reluctance motor 80 and the stepping motor 60 are connected with the control drive module 90 to form a four-axis linkage platform to realize three-dimensional and workpiece shape processing. The control drive module 90 is used to control the work of the whole machine, and allocate pulse numbers for each axis (ie, the X axis, Y axis, Z axis and the rotation axis of the turntable 50 ) to realize precision machining.

The multi-dimensional laser processing numerical control system provided by the utility model also includes a machine vision module 103, which is installed on the first support arm 101 and connected to the PC 30 for collecting video images of the workpiece processing process. The video images collected by the machine vision module 103 are displayed on the human-computer interaction module 40 in real time, so that the operator can watch the processing process in real time.

In the embodiment of the present utility model, the machine vision module 103 includes a video capture card 131 and a camera 132, the camera 132 is connected to the PC 30 through the video capture card 131, and the camera 132 captures the process of workpiece processing in real time to monitor the entire process The motion state of the camera is transmitted to the PC 30 through the video capture card 131. The camera 132 is also used to realize the complex visual teaching function and reduce the operation difficulty of the operator.

Please continue to refer to FIG. 1 , the chassis 10 is provided with a power switch 104 connected to the PC 30 for controlling the power of the system. In order to prevent the workpiece from moving during processing, a fixture (not shown in the figure) for fixing the workpiece is provided on the turntable 50 .

Please continue to refer to FIG. 2 , the control drive module 90 includes a motion control card 901 , a driver module 902 and a foot switch 105 . The motion control card 901 is connected with the PC 30, and the PC 30 is used to interpret the processing file code of the workpiece to be processed, generate corresponding control commands and send them to the motion control card 901, and the motion control card 901 is used to receive the code of the PC Machine 30 control command. The driver module 902 and the foot switch 105 are all connected to the motion control card 901, wherein the foot switch 105 is used to control the start, pause and emergency stop of the workpiece processing, and the driver module 902 is used to The number of pulses is assigned to each axis (ie, X-axis, Y-axis, Z-axis and the rotation axis of the turntable 50).

In the embodiment of the present utility model, the driver module 902 includes a first driver 911 for driving the planar reluctance motor 80, a second driver 912 for driving the linear switched reluctance motor 70, and a second driver 912 for driving the stepping motor 60. The third driver 913; the motion control card 901 is connected to drive the planar reluctance motor 80 through the first driver 911, the motion control card 901 is connected to the linear switched reluctance motor 70 through the second driver 912, and the motion control card 901 is passed through The third driver 913 is connected to the stepping motor 60 . The first driver 911 , the second driver 912 and the third driver 913 respectively provide driving force for the planar reluctance motor 80 , the linear switched reluctance motor 70 and the stepper motor 60 . For example, if two-axis motion is to be realized, the motion control card 901 will calculate the number of pulses required by the two axes at different times in real time, and transmit a corresponding driver to complete the linear or arc interpolation motion of the relevant axis.

Please refer to FIG. 3 , in the multi-dimensional laser processing numerical control system provided by the present invention, the linear switched reluctance motor 70 includes a stator base 701 , a mover platform 702 , a linear guide rail 703 and a grating ruler 704 . The stator base 701 can be embedded on a side wall of the case 10 , and the turntable 50 is controlled to move along the side wall of the case 10 (ie, the Z-axis direction). The linear guide rail 703 is installed on the stator base 701, the mover platform 702 is installed on the linear guide rail 703, the grating ruler 704 is installed on the stator base 701, and is located on the mover platform 702 One side of the moving sub-platform 702 is used to accurately measure the displacement of the mover platform 702, and the corresponding control algorithm is used for calculation, so that the control accuracy can reach the micron level, ensuring the precise machining of the workpiece in the Z-axis direction.

The magnetic conduction part of the linear switched reluctance motor 70 is made of a silicon steel sheet 705 without any expensive materials such as permanent magnets. Both the motor base and the mover platform 702 are made of aluminum alloy, which is light in weight. There are two linear guide rails 703 fixed on the stator base 701, so that the mover platform 702 and the stator base 701 can move smoothly , the coil 706 of the linear switched reluctance motor 70 is wound on the mover platform 702 .

Referring to Fig. 4, the planar reluctance motor 80 includes a fixed base 801 (i.e. the stator base of the planar reluctance motor 80), a moving platform 802 (i.e. the mover platform of the planar reluctance motor 80), an X linear guide rail 803 , Y linear guide rail 804, X sensor 805, Y sensor 806 and stator matrix 807. Wherein, there are two X linear guide rails 803 and Y linear guide rails 804, so that the mobile platform 802 can move smoothly in the X-axis direction and the Y-axis direction. The moving platform 802 includes two Y-axis moving platforms 8021 and X-axis moving platforms 8022 .

The Y linear guide rail 804 is installed on the fixed base 801, the X linear guide rail 803 is arranged on the Y-axis moving platform 8021, and the Y-axis moving platform 8021 is installed on the Y linear guide rail 804, and the X-axis The mobile platform 8022 is sleeved on the X linear guide rail 803, the Y sensor 806 is installed on the fixed base 801, and is located on one side of the Y linear guide rail 804, and is used to detect the displacement of the Y-axis mobile platform 8021. The X sensor 805 is located on one side of the X linear guide rail 803. On the Y-axis moving platform 8021, an X sensor installation strip 809 is arranged along the direction of the X linear guide rail 803. The X sensor installation strip 809 is parallel to the X linear guide rail 803 and can accurately detect X axis movement platform 8022 along the X-axis direction, and feed back the corresponding data to the PC 30.

Please continue to refer to FIG. 4 and FIG. 5 , the stator matrix 807 is set on the fixed base 801 and located below the X-axis moving platform 8022 . In this embodiment, the stator matrix 807 is spliced by a plurality of identical matrix element units, so that the stator matrix 807 can select the number of matrix element units to be spliced according to the processing size and the requirements of the processing occasion. The splicing process is as follows: Figure 5 shows. In a specific implementation process, each matrix element unit [as shown in (b) in Figure 5] is formed by stacking a plurality of silicon steel sheets 705 of the same shape [as shown in Figure 5 (a)]. The bottom of each silicon steel sheet 705 has a notch, the top has a first protrusion, and one side of the silicon steel sheet 705 has a second protrusion. When splicing, insert the second protrusion into the notch as shown in Figure 5(c). In this way, a plurality of matrix element units are spliced together to form a predetermined stator matrix 807 [as shown in (d) in FIG. 5 ].

The working principle of the multi-dimensional laser processing numerical control system of the present invention will be described in detail below in conjunction with Fig. 1 to Fig. 4:

After the workpiece is fixed in the fixture of the turntable 50, press the power switch 104, the system starts and logs in to enter the operation and processing interface. The PC 30 first judges whether the turntable 50 is at the origin position, and if it is at a non-origin position, first control the turntable 50. To the origin, adjust the processing parameters in the human-computer interaction module 40, and press the foot switch 105. After the system starts processing, the PC 30 continuously reads the processing parameters, controls the stepper motor 60, and the linear switch reluctance motor 70 and the planar reluctance motor 80 perform corresponding actions, and continuously detect the legality of the parameters and judge whether the processing is completed. In the process of the entire cycle, the human-computer interaction module 40 continuously completes the real-time display of the processing position, speed, and processing state; at the same time PC machine 30 constantly detects I/O information, judges whether there is emergency stop or suspend order and needs to stop processing, if handle emergencies earlier, resume processing state by pedal switch 105 again, until workpiece processing is finished.

In summary, the multi-dimensional laser processing numerical control system provided by the utility model adopts the planar reluctance motor in the XY direction and the linear switched reluctance motor in the Z-axis direction. The cost of the supported motion platform is greatly reduced, and the control precision is high and the cost is low. At the same time, combined with the visual servo technology, the operation difficulty of the operator is greatly reduced.

Moreover, the planar reluctance motor in the multi-dimensional laser processing numerical control system provided by the utility model adopts a splicing structure, and the size and shape of the motor can be flexibly changed according to different processing occasions. advantage.

It can be understood that those skilled in the art can make equivalent replacements or changes according to the technical solution of the utility model and its utility model concept, and all these changes or replacements should belong to the appended claims of the utility model protected range.

Claims (10)

1. multi-dimension laser NC system of machining; It is characterized in that, comprise cabinet, laser-welding machine, PC, human-computer interaction module, rotating disk, be used to control the stepper motor of dial rotation, the control driver module that is used to control plane magnetoresistive motor that rotating disk moves on the XY plane, is used to control the linear switched reluctance motor that rotating disk moves along Z-direction and is used for the workpiece of complete machine is controlled;

Said PC is installed in the said cabinet with the control driver module, and said cabinet is provided with first support arm and second support arm, and said laser-welding machine is installed on said first support arm, and is connected with the control driver module; Said human-computer interaction module is installed on said second support arm, and is connected with PC;

The stator base of said linear switched reluctance motor is installed on the sidewall of cabinet; The fixed pedestal of said plane magnetoresistive motor is installed on the mover platform of said linear switched reluctance motor, and the fixed pedestal of said plane magnetoresistive motor is vertical with the stator base of linear switched reluctance motor; Said rotating disk is installed on the mobile platform of said plane magnetoresistive motor, and is positioned at the below of laser-welding machine; Said linear switched reluctance motor, plane magnetoresistive motor and stepper motor are connected with the control driver module.

2. multi-dimension laser NC system of machining according to claim 1 is characterized in that, first support arm is provided with the machine vision module of the video image that is used to gather workpiece process, and said machine vision module is connected with PC.

3. multi-dimension laser NC system of machining according to claim 1; It is characterized in that; Said control driver module comprises motion control card, Drive Module and is used for workpiece process is begun, suspends and the anxious floor push that stops controlling; Said motion control card is connected with PC, said Drive Module and floor push and motion control card connection.

4. multi-dimension laser NC system of machining according to claim 3; It is characterized in that; Said Drive Module comprises: be used to drive first driver of plane magnetoresistive motor, be used to drive second driver of linear switched reluctance motor, be used for the 3rd driver of drive stepping motor; Said motion control card connects driving plane magnetoresistive motor through first driver, and said motion control card connects linear switched reluctance motor through second driver, and said motion control card connects stepper motor through the 3rd driver.

5. multi-dimension laser NC system of machining according to claim 1; It is characterized in that; Said linear switched reluctance motor comprises stator base, mover platform, line slideway and grating chi, and said line slideway is installed on the stator base, and said mover platform is installed in the straight line transition; Said grating chi is installed on the said stator base, and is positioned at a side of motor-car platform.

6. multi-dimension laser NC system of machining according to claim 1; It is characterized in that; Said plane magnetoresistive motor comprises fixed pedestal, mobile platform, X line slideway, Y line slideway, X sensor, Y sensor and stator matrix, and said mobile platform comprises X axle mobile platform and y-axis shift moving platform; Said Y line slideway is installed on the fixed pedestal, and said X line slideway is arranged on the y-axis shift moving platform, and said y-axis shift moving platform is installed on the Y line slideway; Said X axle mobile platform is set on the X line slideway; Said Y sensor is installed on the fixed pedestal, and is positioned at a side of Y line slideway, and the X sensor is positioned at a side of X line slideway; The stator arranged in matrix and is positioned at the below of X axle mobile platform on fixed pedestal.

7. multi-dimension laser NC system of machining according to claim 6 is characterized in that, said stator matrix is spliced by a plurality of identical matrix element unit.

8. multi-dimension laser NC system of machining according to claim 2 is characterized in that said machine vision module comprises video frequency collection card and video camera, and said video camera is through video acquisition card connection PC.

9. multi-dimension laser NC system of machining according to claim 1 is characterized in that said rotating disk is provided with the anchor clamps that are used for fixing workpiece.

10. multi-dimension laser NC system of machining according to claim 1 is characterized in that said cabinet is provided with power switch, and said power switch is connected with PC.

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