Intelligent precision machining equipment and control method of intelligent precision machining equipment

Abstract

The present invention discloses an intelligent precision machining equipment and a control method for the intelligent precision machining equipment, wherein the intelligent precision machining equipment comprises: a body, comprising a base and a support frame erected on the base, the base comprising a workbench arranged facing upward; a machining spindle, movably mounted on the support frame, the tool of the machining spindle is arranged in the direction of the workbench; a camera assembly, assembled on one side of the machining spindle, the camera body of the camera assembly is arranged in the direction of the workbench to obtain image information of the workbench; a central control system, connected to the camera assembly; the central control system is used to construct a coordinate system for the image information, obtain the coordinate value of the workpiece to be processed through a recognition algorithm, and then drive the machining spindle to perform intelligent processing based on the coordinate value. The technical solution of the present invention can obtain and amplify the image information of the workpiece during the workpiece processing, and perform intelligent processing on the workpiece based on this, which is conducive to improving the accuracy of the equipment in processing the workpiece.

Description

Technical Field

[0001] The present invention relates to the technical field of workpiece processing, and in particular to an intelligent precision processing device and a control method for the intelligent precision processing device. Background Art

[0002] There are many methods for processing mechanical parts in mechanical manufacturing: in addition to cutting, there are casting, forging, welding, stamping and extrusion, etc. However, all parts with high precision requirements and fine surface roughness requirements generally need to be finally processed by cutting on machine tools.

[0003] During the process of processing a workpiece, the machine tool in the prior art needs to use a universal tool microscope to measure the size of the workpiece in order to accurately process and mill the workpiece. However, when the workpiece is frequently taken and placed between the microscope and the machine tool, slight changes in the placement reference position are inevitable, which will inevitably affect the accuracy of the machine tool processing workpiece. Therefore, technical personnel in this field are urgently needed to improve the structure of the machine tool based on this phenomenon. Summary of the invention

[0004] The main purpose of the present invention is to propose an intelligent precision machining equipment, which aims to continuously obtain the dimensional information of the workpiece during the workpiece machining process, and accurately machine the workpiece based on this information to improve the accuracy of the equipment's workpiece machining.

[0005] To achieve the above-mentioned purpose, the intelligent precision machining equipment proposed by the present invention comprises:

[0006] The machine body comprises a base and a support frame erected on the base, wherein the base comprises a workbench arranged facing upward;

[0007] A machining spindle, movably mounted on the support frame, wherein a tool of the machining spindle is arranged toward the workbench;

[0008] A camera assembly is mounted on one side of the machining spindle, and a camera body of the camera assembly is arranged toward the workbench to obtain image information of the workbench; and

[0009] The central control system is connected to the camera assembly; the central control system is used to construct a coordinate system for the image information, obtain the coordinate value of the workpiece to be processed through a recognition algorithm, and then drive the processing spindle to perform intelligent processing based on the coordinate value.

[0010] Optionally, the central control system includes a controller and a display screen connected to the controller, the coordinate system is preset in the display screen, and the display screen is used to present the image information in the coordinate system. The controller obtains the coordinate value of the workpiece through a recognition algorithm and drives the machining spindle to move to the coordinate value.

[0011] Optionally, the central control system further comprises an input module connected to the controller, the input module is used for a user to input processing size information, and the controller is used for driving the processing spindle to process the workpiece to be processed based on the processing size information; or

[0012] The controller processes and analyzes the image information, intelligently identifies the edge of the workpiece to be processed, and drives the processing spindle to move and process accordingly.

[0013] Optionally, a standard workpiece image is pre-stored in the controller, and the controller compares the processed workpiece in the image information with the standard workpiece image, and drives the processing spindle to perform processing correction on the processed workpiece based on the shape difference between the two.

[0014] Optionally, a plane rectangular coordinate system consisting of an X-axis and a Y-axis is preset on the display screen, or

[0015] The display screen is preset with a spatial rectangular coordinate system consisting of X, Y, and Z axes.

[0016] Optionally, the controller pre-stores an image of the workpiece to be processed, and the controller compares the workpiece to be processed in the image information with the image of the workpiece to be processed, and analyzes and calculates the Z-axis coordinate of the workpiece to be processed based on the magnification ratio of the two.

[0017] Optionally, the machine body includes an X-axis slide, a Y-axis slide and a Z-axis slide, the X-axis slide is slidably arranged on the workbench along the front-back direction, the Y-axis slide is slidably arranged on the support frame along the left-right direction, the Z-axis slide is slidably arranged on the Y-axis slide along the up-down direction, and the machining spindle is movably mounted on the Z-axis slide; wherein,

[0018] The central control system also includes a driving assembly connected to the X-axis slide, the Y-axis slide and the Z-axis slide, so as to adjust the relative position between the tool of the machining spindle and the workpiece to be machined by changing the position of the X-axis slide, the Y-axis slide and the Z-axis slide.

[0019] Optionally, the camera assembly includes a camera body and a protective shell, the camera body is fixed to the processing spindle, and the protective shell is detachably wrapped around the camera body.

[0020] The present invention also provides a control method for intelligent precision machining equipment, comprising the following steps:

[0021] S1, controlling the camera body of the camera assembly to obtain image information of the workbench;

[0022] S2, receiving the image information and presenting it on a display screen;

[0023] S3, based on the coordinate system preset on the display screen, calculating the coordinate value of the workpiece to be processed by a recognition algorithm;

[0024] S4. Based on the coordinate values, drive the machining spindle to perform intelligent machining on the workpiece.

[0025] Optionally, the method further comprises the following steps:

[0026] S5, based on the completion of processing of the workpiece, controlling the camera body of the camera assembly to obtain image information of the workbench;

[0027] S6, receiving the image information and presenting it on a display screen;

[0028] S7, comparing the processed workpiece in the image information with the standard workpiece image, and driving the processing spindle to perform processing correction on the processed workpiece based on the shape difference between the two.

[0029] The technical solution of the present invention adopts a camera assembly installed on a processing spindle equipped with a tool, and obtains image information of the workbench facing the tool through the camera assembly (for micro-magnification), and uses the central control system to construct a coordinate system for the image information, and intelligently identifies and calculates the coordinate value of the workpiece to be processed in the coordinate system, so that the central control system drives the tool to move to the corresponding position to process the workpiece to be processed based on the coordinate value, thereby achieving precise processing of the workpiece. At the same time, compared with the prior art that requires frequent transfer of the workpiece to be processed between the workbench and the microscope, this design not only improves the processing accuracy of the workpiece, but also effectively improves the processing efficiency of the equipment by omitting the step of transferring the workpiece to be processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0031] Figure 1 It is a structural schematic diagram of an embodiment of the intelligent precision machining equipment of the present invention;

[0032] Figure 2 for Figure 1 Schematic diagram of the structure of the intelligent precision processing equipment omitting the protective shell;

[0033] Figure 3 A flow chart of a control method for intelligent precision machining equipment of the present invention.

[0034] Description of Figure Numbers:

[0035] 1. Machine body; 11. Base; 111. Workbench; 112. Groove; 12. Support frame; 121. Support arm; 122. Connecting arm; 13. X-axis slide; 131. Strip anti-skid groove; 132. Horizontal placement surface; 14. Y-axis slide; 15. Z-axis slide; 2. Processing spindle; 3. Camera assembly; 31. Camera body; 32. Protective shell; 321. Camera hole; 322. Protective cover

[0036] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0039] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0040] The invention provides an intelligent precision machining device.

[0041] In the embodiment of the present invention, Figures 1 to 2 As shown, the intelligent precision machining equipment includes:

[0042] The machine body 1 includes a base 11 and a support frame 12 erected on the base 11, and the base 11 includes a workbench 111 arranged facing upward;

[0043] The machining spindle 2 is movably mounted on the support frame 12, and the tool of the machining spindle 2 is arranged toward the direction of the workbench 111;

[0044] A camera assembly 3 is mounted on one side of the machining spindle 2, and a camera body 31 of the camera assembly 3 is disposed toward the workbench 111 to obtain image information of the workbench 111; and

[0045] The central control system is connected to the camera assembly 3; the central control system is used to construct a coordinate system for the image information, obtain the coordinate value of the workpiece to be processed through the recognition algorithm, and then drive the processing spindle 2 to perform intelligent processing based on the coordinate value.

[0046] It can be understood that in this embodiment, the base 11 is concavely provided with a groove 112 with an opening facing upward, and the workbench 111 is arranged at the bottom wall of the groove 112. Such an arrangement is conducive to collecting the debris dropped from the workpiece during the workpiece processing and grinding process to avoid environmental pollution and the like. Specifically, the machine body 1 also includes an X-axis slide 13 slidably mounted on the bottom wall of the groove 112 along the front and rear directions. The upper end of the X-axis slide 13 is arranged in a plate shape to form a horizontal placement surface 132 for placing the workpiece. In order to avoid the hollow system When the driving component of the system drives the X-axis slide 13 to slide, the relative position relationship between the workpiece and the horizontal placement surface 132 changes. In this embodiment, the upper end of the X-axis slide 13 is provided with a plurality of strip anti-skid grooves 131 which are recessed from top to bottom. On the one hand, it is beneficial to increase the roughness of the horizontal placement surface 132. On the other hand, when the intelligent precision machining equipment performs the oil injection process, the strip anti-skid grooves 131 are also beneficial to guide the oil droplets splashed onto the horizontal placement surface 132, so as to avoid the accumulation of oil stains affecting the machining process of the equipment.

[0047] The support frame 12 includes support arms 121 vertically arranged on both sides of the workbench 111, and a connecting arm 122 horizontally arranged between the two support arms 121, and the connecting arm 122 is horizontally extended in the left-right direction. Specifically, the body 1 also includes a Y-axis slide 14 slidably installed on the front side of the connecting arm 122 in the left-right direction, and a Z-axis slide 15 slidably installed on the Y-axis slide 14 in the up-down direction. The Z-axis slide 15 is provided with a spindle mounting hole extending in the up-down direction for the active mounting of the processing spindle 2, and the camera assembly 3 Installed on the outer wall of the spindle mounting hole away from the support frame 12, it is not difficult to understand that the sliding directions of the X-axis slide 13, the Y-axis slide 14 and the Z-axis slide 15 respectively correspond to the X-axis, Y-axis and Z-axis of the spatial rectangular coordinate system. This arrangement is conducive to the drive component to change the position of the X-axis slide 13, the Y-axis slide 14 and the Z-axis slide 15 based on the drive, and then adjust the relative position between the tool of the machining spindle 2 and the workbench 111, that is, adjust the coordinate values ​​of the tool and the workpiece, so as to accurately process the workpiece.

[0048] Optionally, the camera assembly 3 includes a camera body 31 and a protective shell 32. It is easy to understand that the camera body 31 can perform microscopic magnification in addition to the shooting function. The camera body 31 is fixed to the processing spindle 2, and the protective shell 32 is detachably wrapped around the camera body 31. It can be understood that when the intelligent precision machining equipment performs processes such as oil injection or tool change, the camera body 31 is wrapped and enclosed by the protective shell 32, which can effectively avoid oil stains from polluting the camera body 31, or the device from bumping the camera body 31, which is beneficial to improving the reliability of the use of intelligent precision machining equipment and enhancing the user experience. It should be noted that the present design is not limited to this. In other embodiments, the camera body 31 can also be installed naked on the Z-axis slide 15, and there is no limitation on this. Specifically, the protective shell 32 is arranged in a cylindrical shape on the outer wall of the Z-axis slide 15 away from the support frame 12. The bottom end surface of the protective shell 32 is penetrated by a camera hole 321. The camera body 31 is arranged in the protective shell 32 and can be moved up and down in the up and down direction to extend out or be stored in the camera hole 321. The protective shell 32 is provided with a protective cover 322 that can cover the camera hole 321, and is set to open or close the camera hole 321 based on the user's use status of the device itself. Of course, the design is not limited to this. In other embodiments, the protective shell can also be specifically other structures, which are not limited to this.

[0049] The technical solution of the present invention adopts a method of installing a camera component 3 on a processing spindle 2 equipped with a tool, obtaining image information of a workbench 111 toward which the tool is facing through the camera component 3 (for micro-magnification), and using a central control system to construct a coordinate system for the image information, and intelligently identifying and calculating the coordinate value of the workpiece to be processed in the coordinate system, so that the central control system can drive the tool to move to a corresponding position to process the workpiece to be processed based on the coordinate value, thereby achieving precise processing of the workpiece. At the same time, compared with the prior art that requires frequent transfer of the workpiece to be processed between the workbench 111 and the microscope, this design not only improves the processing accuracy of the workpiece, but also effectively improves the processing efficiency of the equipment by omitting the step of transferring the workpiece to be processed.

[0050] Optionally, the central control system includes a controller and a display screen connected to the controller. A coordinate system is preset in the display screen. The display screen is used to present image information in the coordinate system. The controller obtains the coordinate value of the workpiece through the recognition algorithm and drives the machining spindle 2 to move to the coordinate value. It can be understood that the use of the display screen structure to display the coordinate value is conducive to the user's intuitive observation of the machining process of the workpiece. In this embodiment, the display screen can be installed in a structural form installed on the body 1, or designed in an external structural form. Which structural form is used depends on the actual use requirements and is not limited to this. During the operation of the equipment, the image information of the workbench 111 is first obtained through the camera component 3 and transmitted to the controller for information analysis and processing. The controller then projects the processed image information onto the display screen for display. Based on the coordinate system on the display screen, the recognition algorithm obtains the coordinate value of the workpiece in the image, and compares it with the coordinate value of the tool of the machining spindle 2, and calculates the distance relationship between the two on the X-axis, Y-axis and Z-axis. Then, the X-axis slide 13, the Y-axis slide 14 and the Z-axis slide 15 are driven to slide, so that the tool of the machining spindle 2 moves to the position where the workpiece is located.

[0051] Optionally, the central control system also includes an input module connected to the controller, the input module is used for the user to input processing size information, and the controller is used to drive the processing spindle 2 to process the workpiece to be processed based on the processing size information; or the controller processes and analyzes the image information, intelligently identifies the edge of the workpiece to be processed, and drives the processing spindle 2 to move and process accordingly. The input module can be specifically connected to the controller in the form of a keypad. It is not difficult to understand that the keypad is an input device widely used in the prior art. Such a setting is conducive to reducing the process development cost of the equipment. It should be noted that the present design is not limited to this. In other embodiments, the input module can also be specifically connected to the controller in the form of a touch screen, and there is no limitation on this. In this embodiment, when the user inputs the workpiece size (i.e., the size of the workpiece after processing) through the input module, the controller compares the input workpiece size with the size of the workpiece to be processed (i.e., the size of the workpiece before processing) based on the input workpiece size, calculates the size error between the two, drives the tool to process the workpiece to be processed, until the size of the workpiece to be processed is consistent with the input workpiece size information, and completes the processing process. In another embodiment, when the user does not perform any operation through the input module, the controller uses the pre-stored size information of various types of workpieces and the image information obtained by the camera component 3 to intelligently identify the type of workpiece and compare the pre-stored size information of the workpiece with the size of the workpiece to be processed, calculates the size error between the two, drives the tool to process the workpiece to be processed until the size of the workpiece to be processed is consistent with the pre-stored size, and completes the processing process.

[0052] Optionally, a standard workpiece image is pre-stored in the controller, and the controller compares the processed workpiece in the image information with the standard workpiece image, and drives the processing spindle 2 to perform processing correction on the processed workpiece based on the shape difference between the two. It can be understood that this step is used to correct the workpiece that has completed the first processing. After the equipment completes the processing of the workpiece, the controller compares the size of the workpiece after the processing through its own pre-stored standard workpiece image (workpiece standard size image), calculates the slight difference between the sizes of the two, and drives the tool to grind the workpiece until the size of the workpiece after the first processing is consistent with the standard size of the workpiece, and the correction process is completed.

[0053] Optionally, a plane rectangular coordinate system consisting of X and Y axes is preset on the display screen, or a space rectangular coordinate system consisting of X, Y, and Z axes is preset on the display screen. It can be understood that such a setting is convenient for users to select a corresponding rectangular coordinate system for observation according to their needs, which is conducive to improving the user experience. It should be noted that the present design is not limited to this. In other embodiments, the coordinate system established by the display screen can also be specifically in other forms.

[0054] Optionally, the controller pre-stores an image of the workpiece to be processed, and the controller compares the workpiece to be processed in the image information with the image of the workpiece to be processed, and analyzes and calculates the Z-axis coordinate of the workpiece to be processed based on the magnification ratio of the two. When the camera assembly 3 starts to acquire the image of the workbench 111, the camera body 31 of the camera assembly 3 should be at the same height level as the tool of the machining spindle 2, so that after controlling and processing the image information acquired by the camera body 31, the position of the tool on the Z axis (i.e., the height relative to the workbench 111) is adjusted based on this information. It is easy to understand that when shooting the pre-stored image of the workpiece to be processed, the vertical distance between the camera body 31 and the workpiece to be processed is known, and based on the size ratio of the pre-stored image and the current image, the vertical distance between the current camera body 31 and the workpiece to be processed, i.e., the Z-axis coordinate value, can be calculated.

[0055] The present invention also proposes a control method for intelligent precision machining equipment, which includes intelligent precision machining equipment. The specific structure of the intelligent precision machining equipment refers to the above embodiment. Since the control method of the intelligent precision machining equipment adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here. Figure 3 , the control method of the intelligent precision machining equipment comprises the following steps:

[0056] S1, controlling the camera body 31 of the camera assembly 3 to obtain image information of the workbench 111;

[0057] S2, receiving image information and presenting it on the display screen;

[0058] S3, based on the coordinate system preset on the display screen, calculate the coordinate value of the workpiece to be processed through the recognition algorithm;

[0059] S4. Based on the coordinate values, drive the machining spindle 2 to perform intelligent machining on the workpiece.

[0060] It can be understood that the complete process of the above steps is: place the workpiece to be processed on the workbench 111 and start the intelligent precision processing equipment. At this time, the camera body 31 of the camera assembly 3 moves until it moves to the same horizontal height as the tool of the processing spindle 2, and then starts to obtain the image information of the workbench 111 and transmits it to the controller for processing. The controller projects the processed image information onto the display screen, and based on the preset coordinate system on the display screen, calculates the coordinate value of the workpiece to be processed through the recognition algorithm, and based on this coordinate value and the coordinate value of the tool, drives the X-axis slide 13, the Y-axis slide 14 and the Z-axis slide 15 to start sliding to adjust the position of the tool and the workpiece to be processed, and perform intelligent processing.

[0061] Optionally, the method further comprises the following steps:

[0062] S5, based on the completion of the workpiece being processed, controlling the camera body 31 of the camera assembly 3 to obtain image information of the workbench 111;

[0063] S6, receiving image information and presenting it on the display screen;

[0064] S7, comparing the processed workpiece in the image information with the standard workpiece image, and driving the processing spindle 2 to perform processing correction on the processed workpiece based on the shape difference between the two.

[0065] It can be understood that the above steps are used to correct the workpiece to be processed so as to process the workpiece more accurately. The specific process is that the image information of the processed workbench 111 is obtained again through the camera component 3, and transmitted to the controller for processing. The controller projects the processed image information onto the display screen, compares the processed image information with its own pre-stored standard workpiece image, analyzes the error between the two, drives the X-axis slide 13, the Y-axis slide 14 and the Z-axis slide 15 to start sliding, so as to adjust the position of the tool and the workpiece to be processed, and perform grinding correction.

[0066] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An intelligent precision machining equipment, characterized in that: include: The machine body comprises a base and a support frame erected on the base, wherein the base comprises a workbench arranged facing upward; A machining spindle, movably mounted on the support frame, wherein a tool of the machining spindle is arranged toward the workbench; A camera assembly is mounted on one side of the machining spindle, and a camera body of the camera assembly is arranged toward the workbench to obtain image information of the workbench; as well as A central control system connected to the camera assembly; the central control system is used to construct a coordinate system for the image information, obtain the coordinate value of the workpiece to be processed through a recognition algorithm, and then drive the processing spindle to perform intelligent processing based on the coordinate value; The central control system includes a controller and a display screen connected to the controller, the coordinate system is preset in the display screen, and the display screen is used to present the image information in the coordinate system. The controller obtains the coordinate value of the workpiece through a recognition algorithm and drives the machining spindle to move to the coordinate value; The central control system further includes an input module connected to the controller, the input module is used for a user to input processing size information, and the controller is used to drive the processing spindle to process the workpiece to be processed based on the processing size information; or the controller processes and analyzes the image information, intelligently identifies the edge of the workpiece to be processed, and drives the processing spindle to move and process accordingly; The display screen is preset with a plane rectangular coordinate system consisting of X and Y axes, or the display screen is preset with a space rectangular coordinate system consisting of X, Y and Z axes; The controller pre-stores an image of the workpiece to be processed. The controller compares the workpiece to be processed in the image information with the image of the workpiece to be processed, and analyzes and calculates the Z-axis coordinate of the workpiece to be processed based on the magnification ratio of the two. When the camera assembly starts to acquire the image of the workbench, the camera body of the camera assembly and the tool of the machining spindle are at the same height level.

2. The intelligent precision machining equipment according to claim 1, characterized in that: The controller has a standard workpiece image pre-stored therein. The controller compares the machined workpiece in the image information with the standard workpiece image, and drives the machining spindle to perform machining correction on the machined workpiece based on the shape difference between the two.

3. The intelligent precision machining equipment according to claim 1, characterized in that: The machine body comprises an X-axis slide, a Y-axis slide and a Z-axis slide, wherein the X-axis slide is arranged on the workbench to slide forward and backward, the Y-axis slide is arranged on the support frame to slide left and right, the Z-axis slide is arranged on the Y-axis slide to slide up and down, and the machining spindle is movably mounted on the Z-axis slide; wherein, The central control system also includes a driving assembly connected to the X-axis slide, the Y-axis slide and the Z-axis slide, so as to adjust the relative position between the tool of the machining spindle and the workpiece to be machined by changing the position of the X-axis slide, the Y-axis slide and the Z-axis slide.

4. The intelligent precision machining equipment according to any one of claims 1 to 3, characterized in that: The camera assembly includes a camera body and a protective shell. The camera body is fixed to the processing spindle, and the protective shell is detachably wrapped around the camera body.

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