CN215773734U

CN215773734U - Processing equipment

Info

Publication number: CN215773734U
Application number: CN202121909673.0U
Authority: CN
Inventors: 王林; 管凌乾
Original assignee: Suzhou Vega Technology Co Ltd
Current assignee: Suzhou Vega Technology Co Ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-08
Anticipated expiration: 2031-08-16

Abstract

The utility model relates to the technical field of machining and discloses machining equipment. The processing equipment comprises a lathe bed, a processing table, a spindle module and a precision compensation device, wherein the precision compensation device comprises a calibration component and a machine vision system, the calibration component comprises a calibration plate arranged on the lathe bed, a plurality of marks are arranged on the calibration plate in an array mode, and at least part of table coordinates of the processing table is provided with corresponding calibration positions on the calibration plate; the machine vision system comprises an image acquisition module and an image processing module, wherein when the main shaft module moves to a target table coordinate of the processing table, the image acquisition module can synchronously move to a calibration position corresponding to the target table coordinate, the image acquisition module is used for shooting a target image of the calibration position corresponding to the target table coordinate, and the image processing module is used for judging whether the position error of a target mark in the target image is within a preset error range. The utility model does not need manual compensation operation, has high compensation efficiency and good compensation effect.

Description

Processing equipment

Technical Field

The utility model relates to the technical field of machining, in particular to machining equipment.

Background

Currently, 5G is leading the trend of everything interconnection, and the future 5G communication will surpass the two major application markets of intelligent terminal and automotive electronics nowadays, becomes the first engine that drives the growth of PCB industry. However, 5G also places higher and more stringent process requirements on PCB fabrication processing. Because the promotion of 5G signal rate, the influence grow of the processing deviation of PCB board to signal performance, this processing deviation management and control that just requires the PCB board is stricter. Taking the 5G communication board back drilling process and the 5G antenna module forming processing as examples, the method puts high requirements on the control of the drilling precision and the external dimension precision.

The precision compensation method adopted by the existing PCB drilling machine is to take a product produced by the drilling machine to a checking machine for detection, so that the processing parameters of the drilling machine are adjusted according to the detection result, and manual compensation is carried out on the drilling machine. The method for manually compensating the drilling machine wastes time, has low compensation efficiency, influences processing progress, has high labor cost and is easy to reduce the yield.

SUMMERY OF THE UTILITY MODEL

Based on the above problems, the present invention aims to provide a processing apparatus with high compensation efficiency and high yield.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a processing apparatus comprising a bed, a processing table and a spindle module, the processing apparatus further comprising a precision compensation device, the precision compensation device comprising:

the calibration assembly comprises a calibration plate arranged on the lathe bed, a plurality of marks are arranged on the calibration plate in an array mode, and at least part of table coordinates of the machining table is provided with corresponding calibration positions on the calibration plate;

the machine vision system comprises an image acquisition module and an image processing module, wherein when the spindle module moves to a target table top coordinate of the processing table, the image acquisition module can synchronously move to a calibration position corresponding to the target table top coordinate, the image acquisition module is used for shooting a target image of the calibration position corresponding to the target table top coordinate, and the image processing module is used for judging whether the position error of a target mark in the target image is within a preset error range.

As a preferable scheme of the processing apparatus of the present invention, the calibration assembly further includes a mounting bracket, the mounting bracket is disposed on the bed, the calibration plate is disposed on the mounting bracket, and at least a portion of the calibration plate is located above the machine vision system.

As a preferred embodiment of the processing apparatus of the present invention, the mounting bracket can adjust the height of the calibration plate to a preset shooting height of the image acquisition module, the mounting bracket includes a support plate and a support leg, the calibration plate is disposed on the support plate, one end of the support leg is connected to the support plate, the other end of the support leg is connected to the bed, and the support plate is disposed on the support leg in a liftable and adjustable manner or the support leg is adjustable in length.

As a preferred embodiment of the processing apparatus of the present invention, the image acquisition module includes a camera, a lens and a light source, which are sequentially arranged from bottom to top.

As a preferred scheme of the processing equipment, the camera and the spindle module are coaxially arranged up and down, and the camera is positioned above the spindle module; or the camera and the spindle module are arranged in a staggered mode.

In a preferred embodiment of the processing apparatus of the present invention, the processing table is fixedly provided on the bed, and the spindle module is movably provided on the bed in an X-axis direction, a Y-axis direction, and a Z-axis direction, respectively.

As a preferable scheme of the processing apparatus of the present invention, the processing apparatus further includes an X-axis motion module, a Y-axis motion module, and a Z-axis motion module, the Z-axis motion module is configured to drive the spindle module to move along the Z-axis direction, the X-axis motion module is configured to drive the spindle module and the Z-axis motion module to move along the X-axis direction, and the Y-axis motion module is configured to drive the spindle module, the X-axis motion module, and the Z-axis motion module to move along the Y-axis direction.

As a preferable mode of the processing apparatus of the present invention, the Z-axis movement module includes a first slide, a first driving member, and a first guide assembly, the spindle module is disposed on the first slide, the first slide is disposed on the first guide assembly in a movable manner along the Z-axis direction, and the first driving member is configured to drive the first slide to reciprocate on the first guide assembly.

As a preferable mode of the processing apparatus of the present invention, the X-axis movement module includes a second slide, a second driving element, and a second guide assembly, the Z-axis movement module is disposed on the second slide, the second slide is disposed on the second guide assembly in a movable manner along the X-axis direction, and the second driving element is configured to drive the second slide to move on the second guide assembly along the X-axis direction.

As a preferable aspect of the processing apparatus of the present invention, the Y-axis movement module includes a third slide seat, a third driving element, and a third guide assembly, the third slide seat is disposed on the third guide assembly in a movable manner along the Y-axis direction, the third guide assembly is disposed on the bed, and the third driving element is configured to drive the third slide seat to move on the third guide assembly along the Y-axis direction.

As a preferable embodiment of the processing apparatus of the present invention, the Y-axis movement module further includes a third mounting plate, the X-axis movement module is disposed on the third slide, the third slide is disposed at each of two ends of the third mounting plate, the two sets of third guide assemblies are disposed on two sides of the processing table along the X-axis direction, and the third mounting plate is slidably disposed on the two sets of third guide assemblies through the third slide.

As the preferable scheme of the processing equipment, the processing equipment is a drilling machine, an edge milling machine or a drilling and milling all-in-one machine.

The utility model has the beneficial effects that:

the machining equipment provided by the utility model automatically compensates the machining precision of the spindle module through the precision compensation device, and particularly, when the spindle module moves to a target table top coordinate position of a machining table, the image acquisition module can synchronously move to a calibration position corresponding to the target table top coordinate position, because the calibration plate is provided with a plurality of marks in an array mode, at least part of the table top coordinate position of the machining table has a corresponding calibration position on the calibration plate, the image acquisition module shoots a target image of the calibration position corresponding to the target table top coordinate position, and the image processing module judges whether the position error of the target mark in the target image is within a preset error range, if so, compensation is not needed, and if not, the spindle module is automatically compensated. The processing equipment provided by the utility model does not need manual compensation operation, reduces the labor cost, saves time and labor, has high compensation efficiency, accelerates the processing progress, has good compensation effect, improves the processing precision and improves the yield of products.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic structural view of a processing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a processing apparatus (after hiding a precision compensation device) according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a processing apparatus (after hiding a bed and a precision compensation device) provided by an embodiment of the utility model;

fig. 4 is a schematic structural diagram of a spindle module, a machine vision system, and a Z-axis motion module in a processing apparatus according to an embodiment of the present invention.

In the figure:

1-a lathe bed; 2-a processing table; 3-a spindle module; 4-a precision compensation device; 5-X axis motion module; a 6-Y axis motion module; a 7-Z axis motion module;

11-a frame; 111-ground anchor; 12-a work bench;

41-calibrating the component; 42-a machine vision system;

411-calibration plate; 4111-tag; 412-a mounting bracket;

4121-a support plate; 4122-support legs;

421-a camera; 422-lens; 423-light source;

51-a second carriage; 52-a second drive member; 53-a second guide assembly; 54-a second mounting plate; 55-a second limit switch;

61-a third slide; 62-a third drive member; 63-a third guide assembly; 64-a third limit switch; 65-a third mounting plate;

71-a first carriage; 72-a first drive member; 73-a first limit switch; 74-a first mounting plate;

721-rotating electrical machines; 722-a screw rod; 723-nut seat.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the present embodiment provides a processing apparatus, which includes a bed 1, a processing table 2, a spindle module 3, and a precision compensation device 4, wherein the processing table 2 is used for placing a plate to be processed, the spindle module 3 is used for clamping a tool to process the plate to be processed, and the precision compensation device 4 is used for compensating the processing precision of the spindle module 3.

Specifically, the precision compensation device 4 includes a calibration component 41 and a machine vision system 42, the calibration component 41 includes a calibration plate 411 disposed on the bed 1, the calibration plate 411 is located above the machine vision system 42, the calibration plate 411 may adopt a dot matrix calibration plate, a plurality of marks 4111 (calibration holes or calibration points) are arranged on the calibration plate 411 in an array, and at least part of the table coordinates of the processing table 2 has a corresponding calibration position on the calibration plate 411. The machine vision system 42 includes an image acquisition module and an image processing module, the image acquisition module can move synchronously with the spindle module 3, and when the spindle module 3 moves to the target table coordinates of the machining table 2, the image acquisition module can move synchronously to the calibration position corresponding to the target table coordinates. The image acquisition module is used for shooting a target image of a calibration position corresponding to the coordinates of the target table top, and the image processing module is used for judging whether the position error of a target mark in the target image is within a preset error range. Alternatively, the calibration board 411 may also be a chessboard format calibration board.

When the machining precision is compensated, the image acquisition module is used for shooting a target image of a calibration position corresponding to the coordinates of the target table top, the target image at least comprises two target marks, the image processing module is used for judging whether the position errors of the at least two target marks in the target image are within a preset error range, namely whether the error between the actual coordinates and the theoretical coordinates of the target marks in the target image is within the preset error range is judged, if yes, compensation is not needed, and if not, the spindle module 3 is automatically compensated. Specifically, the image processing module converts the pixel distribution, brightness, color and other information in the target image into digital signals, and performs various operations on the signals to extract the characteristic information of the target mark, so as to output the required result.

As shown in fig. 4, the image capturing module may include a camera 421, a lens 422, and a light source 423, which are sequentially disposed from bottom to top, wherein the camera 421 is disposed at one end of the lens 422, and the light source 423 is disposed at the other end of the lens 422. The camera 421, the lens 422 and the light source 423 are coaxially arranged, the camera 421 and the spindle module 3 can be coaxially arranged up and down, that is, the center line of the spindle module 3 coincides with the center line of the camera 421, the camera 421 is located right above the spindle module 3, and the camera 421 and the spindle module 3 can also be arranged in a non-coaxial manner, that is, the center line of the spindle module 3 and the center line of the camera 421 are staggered according to a preset position relationship.

The camera 421 may be a ccd (charge Coupled device) or cmos (complementary Metal Oxide semiconductor) chip industrial camera, which has the advantages of stable image, high transmission capability, high interference resistance, and the like, compared with the conventional civil camera. A typical CCD camera consists of an optical lens, a timing and synchronization signal generator, a vertical driver, and an analog/digital signal processing circuit. As a functional device, compared with a vacuum tube, the CCD has the advantages of no burn, no lag, low-voltage operation, low power consumption and the like. The CMOS image sensor integrates the photosensitive element array, the image signal amplifier, the signal reading circuit, the analog-to-digital conversion circuit, the image signal processor and the controller on one chip, and also has the advantage of programming random access of local pixels. At present, CMOS image sensors are widely used in high resolution and high speed applications due to their characteristics of good integration, low power consumption, high speed transmission, wide dynamic range, and the like.

The lens 422 may be selected to match the size of the camera interface and CCD. The basic function of the lens 422 is to achieve beam transformation (modulation), and in the machine vision system 42, the main function of the lens 422 is to image an object onto the light-sensitive surface of the image sensor. The light source 423 can adopt an annular light source, and the annular light source provides different illumination angles and different color combinations, so that the three-dimensional information of the object can be more prominent; the annular light source adopts a high-density LED array, has high brightness, solves the problem of diagonal irradiation shadow, can be selectively matched with a diffusion plate for light guide, and has uniform light diffusion. The light source 423 may be a backlight, a stripe light source, a coaxial light source point light source, or the like.

As shown in fig. 1, the calibration assembly 41 may further include a mounting bracket 412, the mounting bracket 412 is disposed on the bed 1, the calibration plate 411 is disposed on the mounting bracket 412, and at least a portion of the calibration plate 411 is located above the machine vision system 42. The lathe bed 1 may include a frame 11 and a worktable 12, the frame 11 is used for supporting the worktable 12, and four feet 111 are provided at the bottom of the frame 11 for leveling the frame 11 and the worktable 12 so as to level the table surface of the worktable 12. Specifically, the mounting bracket 412 is fixedly connected to the frame 11, the calibration plate 411 can completely cover the processing table 2, the camera 421, the lens 422 and the light source 423 of the image acquisition module are sequentially arranged from bottom to top, and the camera 421 shoots the calibration plate 411 above the camera 421. Preferably, the calibration plate 411 may cover the whole processing table 2, each coordinate on the processing table 2 has a corresponding calibration position on the calibration plate 411, and the image capturing device includes at least two marks 4111 in the target image captured at the calibration position.

The mounting bracket 412 can adjust the height of the calibration plate 411 to the preset shooting height of the image acquisition module, and the height of the calibration plate 411 to the preset shooting height of the image acquisition module is adjusted through the mounting bracket 412, so that the target image acquired by the image acquisition module is clear enough to identify the target mark in the image. The mounting bracket 412 may include a support plate 4121 and support legs 4122, the calibration plate 411 being provided on the support plate 4121, one end of the support legs 4122 being connected with the support plate 4121 and the other end being connected with the bed 1. In this embodiment, the mounting bracket 412 includes two support plates 4121 and four support legs 4122, the two support plates 4121 are disposed at intervals, two sides of the calibration plate 411 are respectively and fixedly connected to the two support plates 4121, two support legs 4122 are disposed below each support plate 4121, each support leg 4122 may include a first rod and a second rod which are slidably connected, the first rod is sleeved in the second rod, the first rod is fixedly connected to the support plates 4121, the second rod is fixedly connected to the frame 11, the first rod slides relative to the second rod to adjust the length of the whole support leg 4122, and when the required preset length is reached, the first rod and the second rod are fixed by screws. Of course, in other embodiments, the first rod and the second rod can be threaded to allow for adjustment of the length of the entire support leg 4122. Alternatively, the support plate 4121 may be adjustably mounted to the support legs 4122, such as by providing a sleeve over the support plate 4121 to fit over the support legs 4122 and securing the support plate 4121 to the support legs 4122 with fasteners disposed in the sleeve.

Alternatively, the processing table 2 is fixedly disposed on the bed 1, and the spindle modules 3 are movably disposed on the bed 1 in the X-axis direction, the Y-axis direction, and the Z-axis direction, respectively. The processing table 2 and the calibration plate 411 are both fixed, so that the table coordinates of the processing table 2 correspond to the position of the mark 4111 of the calibration plate 411 more conveniently, and the error factors of processing precision are reduced. The X-axis direction, the Y-axis direction and the Z-axis direction are mutually vertical, so that the main shaft module 3 can be moved freely at a spatial position, and the machining precision can be compensated conveniently.

The processing equipment can also comprise an X-axis motion module 5, a Y-axis motion module 6 and a Z-axis motion module 7, wherein the Z-axis motion module 7 is used for driving the spindle module 3 to move along the Z-axis direction, the X-axis motion module 5 is used for driving the spindle module 3 and the Z-axis motion module 7 to move along the X-axis direction, and the Y-axis motion module 6 is used for driving the spindle module 3, the X-axis motion module 5 and the Z-axis motion module 7 to move along the Y-axis direction. The movement relation of the X-axis movement module 5, the Y-axis movement module 6 and the Z-axis movement module 7 is set in a composite movement mode, so that the structure of the whole processing equipment can be simplified, the occupied volume is reduced, and the structure interference is avoided.

As shown in fig. 1 and 4, the Z-axis motion module 7 may include a first slide seat 71, a first driving member 72, and a first guiding assembly (not shown), wherein the spindle module 3 is disposed on the first slide seat 71, the first slide seat 71 is movably disposed on the first guiding assembly along the Z-axis direction, and the first driving member 72 is configured to drive the first slide seat 71 to reciprocate on the first guiding assembly. The spindle of the spindle module 3 faces downward and is disposed facing the machining table 2. The Z-axis motion module 7 further includes a first mounting plate 74, the spindle module 3 and the machine vision system 42 are both disposed on the first mounting plate 74, the first mounting plate 74 is a plate-shaped structure, the first guiding component may be a guide rail disposed on the first mounting plate 74, and the first sliding seat 71 is slidably connected to the guide rail to realize the reciprocating motion. The side of the first sliding seat 71 is provided with an induction sheet of the first limit switch 73, and the first mounting plate 74 is provided with an upper signal end and a lower signal end of the first limit switch 73.

The first driving member 72 may include a rotating motor 721, a lead screw 722 and a nut seat 723, a housing of the rotating motor 721 is fixedly connected to the first mounting plate 74, an output end of the rotating motor 721 is connected to the lead screw 722, the lead screw 722 is in threaded connection with the nut seat 723, the nut seat 723 is fixedly connected to the first sliding seat 71, the rotating motor 721 drives the lead screw 722 to rotate, the lead screw 722 may drive the nut seat 723 to move, and the nut seat 723 moves to drive the first sliding seat 71 to slide on the guide rail of the first mounting plate 74. Alternatively, the first driving member 72 may include a linear motor, a stator of which is fixed to the first mounting plate 74, and the first slider 71 is coupled to a mover of the linear motor.

As shown in fig. 2, the X-axis motion module 5 may include a second slide 51, a second driving member 52 and a second guiding assembly 53, the Z-axis motion module 7 is disposed on the second slide 51, the second slide 51 is movably disposed on the second guiding assembly 53 along the X-axis direction, and the second driving member 52 is configured to drive the second slide 51 to move on the second guiding assembly 53 along the X-axis direction.

As shown in fig. 3, the second slide carriage 51 is fixedly connected with a second mounting plate 54, the second mounting plate 54 is perpendicularly connected with the first mounting plate 74, the second mounting plate 54 is of an approximately right-angled triangular plate-shaped structure, one right-angled side of the second mounting plate 54 is fixedly connected with the second slide carriage 51, and the other right-angled side is fixedly connected with the second mounting plate 54.

The X-axis movement module 5 further includes a second limit switch 55, the second limit switch 55 is used for limiting a sliding position of the second sliding seat 51, and the second limit switch 55 may be in a contact type or a non-contact type.

The Y-axis motion module 6 may include a third slide seat 61, a third driving element 62 and a third guiding assembly 63, wherein the third slide seat 61 is movably disposed on the third guiding assembly 63 along the Y-axis direction, the third guiding assembly 63 is disposed on the machine bed 1, and the third driving element 62 is configured to drive the third slide seat 61 to move on the third guiding assembly 63 along the Y-axis direction.

The Y-axis moving module 6 further includes a third mounting plate 65, the X-axis moving module 5 is disposed on the third mounting plate 65, the second guiding assembly 53 can be a guide rail disposed on the third mounting plate 65, the third sliding seat 61 is disposed at two intervals, and is distributed at two ends of the bottom of the third mounting plate 65, and the third guiding assembly 63 can be a guide rail disposed on the workbench 12. The plurality of third guide assemblies 63 are provided in two sets, the two sets of third guide assemblies 63 are provided on both sides of the machining table 2 in the X-axis direction, and the third mounting plate 65 is slidably disposed on the two sets of third guide assemblies 63 through the third slide base 61. In order to ensure the smooth movement of the third slide carriage 61, each set of third guide assemblies 63 includes at least two spaced third guide assemblies 63, wherein a third driving member 62 is disposed between at least two third guide assemblies 63 of one or both sets of third guide assemblies 63. The third mounting plate 65 and the third slide carriage 61 may form a gantry type structure so that the third mounting plate 65 and the X-axis moving module 5 mounted thereon can straddle the processing table 2 while moving in the Y-axis direction. The third limit switch 64 is disposed on the working table 12 and used for limiting the sliding position of the third sliding seat 61, and the third limit switch 64 may be a contact limit switch or a non-contact limit switch. Besides the electric limit, the X-axis motion module 5, the Y-axis motion module 6 and the Z-axis motion module 7 respectively comprise mechanical limit structures, so that the damage of motor equipment is further prevented. The second driving member 52 and the third driving member 62 may be linear motors, and the X-axis motion module 5 and the Y-axis motion module 6 respectively further include a grating ruler to precisely control the displacement precision of the linear motors. Alternatively, the second and

third drivers

52 and 62 may be screw feeding mechanisms.

The machining apparatus provided in the present embodiment is roughly based on the following principles when supplementing machining accuracy: the method comprises the steps of placing a plate to be processed on a processing table 2, moving a spindle module 3 to a target table coordinate position of the processing table 2 through an X-axis motion module 5, a Y-axis motion module 6 and a Z-axis motion module 7 according to a processing program, shooting a target image of a target mark on a calibration plate 411 corresponding to the target table coordinate position through a camera 421, judging whether the target mark in the target image is within a preset error range through an image processing module, if so, needing no compensation, if not, adjusting the processing position of the spindle module 3 through the X-axis motion module 5 and the Y-axis motion module 6 to perform automatic compensation, wherein the distance of the automatic compensation of the spindle module 3 can be determined according to the distance between the target mark in the target image and the center of the image until the target mark in the target image is within the preset error range.

The processing equipment provided by the embodiment can be a drilling machine, an edge milling machine or a drilling and milling all-in-one machine for processing the PCB.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A processing apparatus comprising a bed (1), a processing table (2) and a spindle module (3), characterized in that the processing apparatus further comprises a precision compensation device (4), the precision compensation device (4) comprising:

the calibration assembly (41) comprises a calibration plate (411) arranged on the lathe bed (1), a plurality of marks (4111) are arranged on the calibration plate (411) in an array mode, and at least part of table coordinates of the machining table (2) has corresponding calibration positions on the calibration plate (411);

the machine vision system (42) comprises an image acquisition module and an image processing module, when the spindle module (3) moves to the target table coordinates of the machining table (2), the image acquisition module can synchronously move to the calibration position corresponding to the target table coordinates, the image acquisition module is used for shooting a target image of the calibration position corresponding to the target table coordinates, and the image processing module is used for judging whether the position error of a target mark in the target image is within a preset error range.

2. The machining apparatus according to claim 1, wherein the calibration assembly (41) further comprises a mounting bracket (412), the mounting bracket (412) being disposed on the machine bed (1), the calibration plate (411) being disposed on the mounting bracket (412), at least a portion of the calibration plate (411) being located above the machine vision system (42).

3. The processing equipment according to claim 2, characterized in that the mounting bracket (412) can adjust the height of the calibration plate (411) to the preset shooting height of the image acquisition module, the mounting bracket (412) comprises a support plate (4121) and support legs (4122), the calibration plate (411) is arranged on the support plate (4121), one end of each support leg (4122) is connected with the support plate (4121), the other end of each support leg (4122) is connected with the machine bed (1), and the support plate (4121) is arranged on the support legs (4122) in a lifting and adjusting manner or the length of the support legs (4122) is adjustable.

4. The processing apparatus according to claim 1, wherein the image acquisition module comprises a camera (421), a lens (422) and a light source (423) arranged in sequence from bottom to top.

5. The processing apparatus according to claim 4, wherein the camera (421) is coaxially arranged above and below the spindle module (3), the camera (421) being located above the spindle module (3); or the camera (421) and the main shaft module (3) are arranged in a staggered mode.

6. The processing apparatus according to any one of claims 1 to 5, wherein the processing table (2) is fixedly provided on the bed (1), and the spindle modules (3) are movably provided on the bed (1) in an X-axis direction, a Y-axis direction, and a Z-axis direction, respectively.

7. The processing apparatus according to claim 6, further comprising an X-axis motion module (5), a Y-axis motion module (6), and a Z-axis motion module (7), wherein the Z-axis motion module (7) is configured to drive the spindle module (3) to move in the Z-axis direction, the X-axis motion module (5) is configured to drive the spindle module (3) and the Z-axis motion module (7) to move in the X-axis direction, and the Y-axis motion module (6) is configured to drive the spindle module (3), the X-axis motion module (5), and the Z-axis motion module (7) to move in the Y-axis direction.

8. The processing apparatus according to claim 7, wherein the Z-axis motion module (7) comprises a first slide (71), a first driving member (72) and a first guide assembly, the spindle module (3) is arranged on the first slide (71), the first slide (71) is movably arranged on the first guide assembly along the Z-axis direction, and the first driving member (72) is used for driving the first slide (71) to reciprocate on the first guide assembly.

9. The processing apparatus according to claim 7, wherein the X-axis motion module (5) comprises a second slide (51), a second driving member (52) and a second guide assembly (53), the Z-axis motion module (7) is disposed on the second slide (51), the second slide (51) is movably disposed on the second guide assembly (53) along the X-axis direction, and the second driving member (52) is used for driving the second slide (51) to move on the second guide assembly (53) along the X-axis direction.

10. The machining apparatus according to claim 7, characterized in that the Y-axis motion module (6) comprises a third slide (61), a third driving member (62) and a third guide assembly (63), the third slide (61) is movably disposed on the third guide assembly (63) along the Y-axis direction, the third guide assembly (63) is disposed on the machine bed (1), and the third driving member (62) is used for driving the third slide (61) to move on the third guide assembly (63) along the Y-axis direction.

11. The processing apparatus according to claim 10, wherein the Y-axis moving module (6) further comprises a third mounting plate (65), the X-axis moving module (5) is disposed on the third slide (61), the third slide (61) is disposed at each end of the third mounting plate (65), two sets of the third guide assemblies (63) are disposed on each side of the processing table (2) along the X-axis direction, and the third mounting plate (65) is slidably disposed on the two sets of the third guide assemblies (63) via the third slide (61).

12. A processing device according to any one of claims 1 to 5, characterized in that the processing device is a drilling machine, an edge milling machine or a routing machine.