Compensation method for reference positioning of plate of six-surface drill

Abstract

The invention discloses a compensation method for reference positioning of a plate of a six-surface drill, which comprises the following steps of: 1, starting processing, and generating processing data according to read label information of a processed plate; 2, the control system reads machining data to obtain the plate size and the technological process; thirdly, clamping and positioning of the plate are automatically started, and then the width size of the plate is detected through a laser sensor; 4, judging whether the detected width size of the plate is within a plate width size error range set by a control system or not; if yes, the detection result of the laser sensor is compared with the width size of the plate in the machining data to obtain an actual error value, and then the control system automatically compensates the positioning references on the two sides of the plate according to the actual error value, deviates the machining data and then executes machining; if not, the plate is withdrawn, and an alarm prompt is generated; the condition that a light-seeing surface is uneven or a back plate is assembled poorly is avoided, and the assembling quality of furniture is improved.

Description

Technical Field

[0001] The invention relates to the field of woodworking six-sided numerical control drilling processing center technology, in particular to a compensation method for plate reference positioning of six-sided drilling. Background Art

[0002] With the emergence of the demand for six-sided processing of wood, six-sided drilling processing centers and production lines have emerged in order to meet the six-sided drilling processing of wood. In order to improve the output ratio and reduce the floor space of the equipment in the existing market, the application of double-station six-sided CNC machining centers is increasing. In order to facilitate operation and use, the two stations of the double-station six-sided drill are designed as mirror images and distributed on the left and right sides respectively. The positioning and clamping mechanisms are on the outside of each station. In this way, when processing the same board, the positioning references on the two stations are different. Especially in most of the panel furniture, if the size of the board is slightly inaccurate, the positioning references of each station are different, which will cause the processed boards to be assembled because the references are not on the same side. This will cause the light surface to be uneven or the back panel to be poorly assembled, which seriously affects the quality of the furniture.

[0003] Therefore, it is necessary to develop a new technical solution to solve the above problems. Summary of the invention

[0004] In view of this, the present invention aims to solve the deficiencies in the prior art, and its main purpose is to provide a compensation method for the reference positioning of a six-sided drilled plate, which can realize automatic compensation for the reference positioning of a six-sided drilled plate, avoid the unevenness of the visible surface or the poor assembly of the back panel, and improve the assembly quality of the furniture.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A compensation method for plate reference positioning of six-sided drilling is based on a double-station six-sided drilling, the double-station six-sided drilling comprises a first station and a second station arranged in a left-right mirror image, the first station is provided with a first processing head, the second station is provided with a second processing head, the first processing head and the second processing head are arranged in a left-right mirror image, the first processing head comprises two first upper drilling packages arranged side by side on the left and right, the second processing head comprises two second upper drilling packages arranged side by side on the left and right, a laser sensor is installed on a side of the first upper drilling package close to the second processing head facing the second processing head and a side of the second upper drilling package close to the first processing head facing the first processing head, the laser sensor is used to detect the width dimension of the plate;

[0007] It includes the following steps:

[0008] Step 1: Processing starts, and processing data is generated by reading the label information of the processed panel;

[0009] Step 2: The control system reads the processing data to obtain the panel size and process flow;

[0010] Step 3: Automatically start clamping and positioning the plate, and then use the laser sensor to detect the width of the plate;

[0011] Step 4: Determine whether the detected panel width is within the panel width error range set by the control system; if so, when there is an error between the detected panel width and the panel width in the processing data, compare the detection result of the laser sensor with the panel width in the processing data to obtain the actual error value, and then the control system automatically compensates the positioning reference on both sides of the panel according to the actual error value and offsets the processing data before executing the processing; if not, the panel will be withdrawn and an alarm will be generated.

[0012] As a preferred solution, in step one, the label information of the processed panel is read by a barcode scanner, and then the host computer software parses the label information and generates processing data to be transmitted to the control system.

[0013] As a preferred solution, the control system is a CNC control system, which issues processing instructions and receives and processes external feedback signals based on processing data. The processing instructions are executed by the servo system and actuator of the double-station six-sided drill. The laser sensor sends the plate detection displacement change signal to the system IO module of the CNC control system in real time, and the system IO module feeds back the external laser sensor signal to the CNC control system.

[0014] As a preferred solution, the first processing head further comprises a first upper spindle, the first upper spindle is arranged on a side of the first upper drill package close to the second processing head facing the second processing head, and the laser sensor is arranged on the front side of the first upper spindle;

[0015] The second processing head also includes a second upper spindle, which is arranged on a side of the second upper drill package close to the first processing head facing the first processing head, and the laser sensor is arranged on the front side of the second upper spindle.

[0016] As a preferred solution, the first processing head also includes a first Y-axis slide installed on a frame of a double-station six-sided drill and a first Y-axis slide driving mechanism for driving the first Y-axis slide to slide back and forth in the Y direction on the frame, two first Z-axis slides installed on the first Y-axis slide and two first Z-axis slide driving mechanisms respectively driving the two first Z-axis slides to slide back and forth in the Z direction on the first Y-axis slide, a second Z-axis slide installed on the first Y-axis slide and a second Z-axis slide driving mechanism driving the second Z-axis slide to slide back and forth in the Z direction on the first Y-axis slide; the second Z-axis slide is located on the front side of the first Y-axis slide close to the second processing head, the first upper drill package is installed on the corresponding first Z-axis slide, and the first upper spindle is installed on the second Z-axis slide.

[0017] As a preferred solution, the first Y-axis skateboard driving mechanism includes a first driving motor, the first driving motor is installed on the first Y-axis skateboard through a Y-axis servo mounting base, the first Y-axis skateboard is installed with a first slider, the frame is installed with a transversely extending first guide rail, and the first slider is slidably adapted to the first guide rail.

[0018] As a preferred solution, the first Z-axis slide driving mechanism includes a second driving motor, the second driving motor is installed on the first Y-axis slide through a first motor seat, and the second driving motor is connected to the first Z-axis slide through a first ball screw drive;

[0019] The second Z-axis slide driving mechanism includes a first driving cylinder, which is installed on the first Y-axis slide through a first cylinder seat, and the first driving cylinder is drivingly connected to the second Z-axis slide.

[0020] As a preferred solution, the second processing head also includes a second Y-axis slide installed on a double-station six-sided drill frame and a second Y-axis slide driving mechanism for driving the second Y-axis slide to slide back and forth in the Y direction on the frame, two third Z-axis slides installed on the second Y-axis slide and two third Z-axis slide driving mechanisms respectively driving the two third Z-axis slides to slide back and forth in the Z direction on the second Y-axis slide, a fourth Z-axis slide installed on the second Y-axis slide and a fourth Z-axis slide driving mechanism driving the fourth Z-axis slide to slide back and forth in the Z direction on the second Y-axis slide; the fourth Z-axis slide is located on the front side of the second Y-axis slide close to the first processing head, the second upper drill package is installed on the corresponding third Z-axis slide, and the second upper spindle is installed on the fourth Z-axis slide.

[0021] As a preferred solution, the second Y-axis skateboard driving mechanism includes a third driving motor, the third driving motor is installed on the second Y-axis skateboard through a Y-axis servo mounting base, a fourth slider is installed on the second Y-axis skateboard, a transversely extending fourth guide rail is installed on the frame, and the fourth slider is slidably adapted to the fourth guide rail.

[0022] As a preferred solution, the third Z-axis slide driving mechanism includes a fourth driving motor, the fourth driving motor is installed on the second Y-axis slide through the second motor seat, and the fourth driving motor is connected to the third Z-axis slide through the second ball screw drive;

[0023] The fourth Z-axis slide driving mechanism includes a second driving cylinder, which is installed on the second Y-axis slide through a second cylinder seat, and the second driving cylinder is drivingly connected to the fourth Z-axis slide.

[0024] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that it is mainly achieved by installing laser sensors on the side of the first upper drill package close to the second processing head facing the second processing head and on the side of the second upper drill package close to the first processing head facing the first processing head, so that the laser sensor is used to detect the width dimension of the plate, and the detection is specifically carried out through the following steps: Step 1: At the beginning of processing, processing data is generated according to the label information of the processed plate; Step 2: The control system reads the processing data to obtain the plate size and process flow; Step 3: Automatically start clamping and positioning the plate, and then detect the width dimension of the plate through the laser sensor; Step 4: Determine whether the detected plate width dimension is within the plate width set by the control system within the size error range; if so, when there is an error between the detected panel width and the panel width in the processing data, the actual error value is obtained by comparing the detection result of the laser sensor with the panel width in the processing data, and then the control system automatically compensates the positioning reference on both sides of the panel according to the actual error value and offsets the processing data before executing the processing; if not, the panel is withdrawn and an alarm is generated; in this way, the width of the panel can be detected by the laser sensor, and the detection result can be used in conjunction with the upper computer software and the CNC control system to automatically compensate the positioning reference on both sides of the panel and offset the processing data, so that it can realize automatic compensation of the panel reference positioning of the six-sided drill, avoid the unevenness of the light surface or poor assembly of the back panel, and improve the assembly quality of the furniture.

[0025] In order to more clearly illustrate the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of a first processing head and a second processing head according to an embodiment of the present invention;

[0027] Figure 2 is a schematic diagram of the three-dimensional structure of a first processing head according to an embodiment of the present invention;

[0028] Figure 3 is a schematic diagram of the three-dimensional structure of the second processing head of an embodiment of the present invention;

[0029] Figure 4 is a system control block diagram of an embodiment of the present invention;

[0030] Figure 5 It is a flow chart of an embodiment of the present invention.

[0031] Description of the accompanying drawings:

[0032] 10. First processing head 11. First upper drilling package

[0033] 12. First upper spindle 13. First Y-axis slide

[0034] 14. First Z-axis slide plate 15. Second Z-axis slide plate

[0035] 16. First driving motor 17. First sliding block

[0036] 18. Second guide rail 19. Second slide block

[0037] 101, third slide block 102, third guide rail

[0038] 103. Second drive motor 104. First motor base

[0039] 105. First driving cylinder 106. First cylinder seat

[0040] 20. Second processing head 21. Second upper drilling package

[0041] 22. Second Y-axis slide 23. Third Z-axis slide

[0042] 24. Third drive motor 25. Fourth slider

[0043] 26. Fifth guide rail 27. Fifth slider

[0044] 28. Fourth drive motor 29. Second motor seat

[0045] 30. Laser sensor. DETAILED DESCRIPTION

[0046] Please refer to Figures 1 to 5 As shown, it shows the specific structure of an embodiment of the present invention.

[0047] A double-station six-sided drill, the double-station six-sided drill comprising a first station and a second station arranged in a left-right mirror image, the first station is provided with a first processing head 10, the second station is provided with a second processing head 20, the first processing head 10 and the second processing head 20 are arranged in a left-right mirror image, the first processing head 10 comprises two first upper drill packages 11 arranged side by side on the left and right, the second processing head 20 comprises two second upper drill packages 21 arranged side by side on the left and right, the first upper drill package 11 close to the second processing head 20 faces one side of the second processing head 20 and the second upper drill package 11 close to the second processing head 20 faces one side of the second processing head 20 A laser sensor 30 is installed on the side of the second upper drill package 21 of the first processing head 10 facing the first processing head 10. The laser sensor 30 is used to detect the width dimension of the plate. In this way, the laser sensor 30 is used to detect the width of the plate, thereby realizing real-time detection of the width of the plate to ensure that the positioning reference of the plate can be adjusted according to the detected width of the plate later. In addition, the first processing head 10 includes two first upper drill packages 11, and the second processing head 20 includes two second upper drill packages 21. In this way, it has multiple drill packages to meet more processing needs.

[0048] The first processing head 10 also includes a first upper spindle 12, which is arranged on the side of the first upper drilling package 11 close to the second processing head 20 facing the second processing head 20, and the laser sensor 30 is arranged on the front side of the first upper spindle 12; the second processing head 20 also includes a second upper spindle, which is arranged on the side of the second upper drilling package 21 close to the first processing head 10 facing the first processing head 10, and the laser sensor 30 is arranged on the front side of the second upper spindle.

[0049] The first processing head 10 also includes a first Y-axis skateboard 13 installed on a frame of a double-station six-sided drill and a first Y-axis skateboard 13 driving mechanism that drives the first Y-axis skateboard 13 to slide back and forth in the Y direction on the frame, two first Z-axis skateboards 14 installed on the first Y-axis skateboard 13 and two first Z-axis skateboard 14 driving mechanisms that respectively drive the two first Z-axis skateboards 14 to slide back and forth in the Z direction on the first Y-axis skateboard 13, a second Z-axis skateboard 15 installed on the first Y-axis skateboard 13 and a second Z-axis skateboard 15 driving mechanism that drives the second Z-axis skateboard 15 to slide back and forth in the Z direction on the first Y-axis skateboard 13; the second Z-axis skateboard 15 is located on the front side of the first Y-axis skateboard 13 on a side close to the second processing head 20. Preferably, in this embodiment, the second Z-axis skateboard 15 is installed on the first Z-axis skateboard 14 on a side close to the second processing head 20; the first upper drilling package 11 is installed on the corresponding first Z-axis skateboard 14, and the first upper spindle 12 is installed on the second Z-axis skateboard 15.

[0050] The driving mechanism of the first Y-axis skateboard 13 includes a first driving motor 16, which is installed on the first Y-axis skateboard 13 through a Y-axis servo mounting seat. A first slider 17 is installed on the first Y-axis skateboard 13, and a first guide rail extending laterally is installed on the frame. The first slider 17 is slidably adapted to the first guide rail.

[0051] A second guide rail 18 is installed on the first Y-axis skateboard 13, and a second slider 19 is installed on the first Z-axis skateboard 14, and the second slider 19 is slidably adapted to the second guide rail 18; a third slider 101 is installed on the front side of the first Z-axis skateboard 14 close to the second processing head 20, and a third guide rail 102 is installed on the second Z-axis skateboard 15, and the third slider 101 is slidably adapted to the third guide rail 102.

[0052] The driving mechanism of the first Z-axis skateboard 14 includes a second driving motor 103, which is installed on the first Y-axis skateboard 13 through a first motor seat 104, and the second driving motor 103 is driven and connected to the first Z-axis skateboard 14 through a first ball screw; the driving mechanism of the second Z-axis skateboard 15 includes a first driving cylinder 105, which is installed on the first Y-axis skateboard 13 through a first cylinder seat 106. Preferably, in this embodiment, the first driving cylinder 105 is installed on the first Z-axis skateboard 14 on the side of the first Y-axis skateboard 13 close to the second processing head 20 through the first cylinder seat 106; the first driving cylinder 105 is drivingly connected to the second Z-axis skateboard 15.

[0053] The second processing head 20 also includes a second Y-axis skateboard 22 installed on the frame of the double-station six-sided drill and a second Y-axis skateboard 22 driving mechanism that drives the second Y-axis skateboard 22 to slide back and forth in the Y direction on the frame, two third Z-axis skateboards 23 installed on the second Y-axis skateboard 22 and two third Z-axis skateboard 23 driving mechanisms that respectively drive the two third Z-axis skateboards 23 to slide back and forth in the Z direction on the second Y-axis skateboard 22, a fourth Z-axis skateboard installed on the second Y-axis skateboard 22 and a fourth Z-axis skateboard driving mechanism that drives the fourth Z-axis skateboard to slide back and forth in the Z direction on the second Y-axis skateboard 22; the fourth Z-axis skateboard is located on the front side of the second Y-axis skateboard 22 close to the first processing head 10. Preferably, in this embodiment, the fourth Z-axis skateboard is installed on the third Z-axis skateboard 23 close to the side of the first processing head 10; the second upper drilling package 21 is installed on the corresponding third Z-axis skateboard 23, and the second upper spindle is installed on the fourth Z-axis skateboard.

[0054] The driving mechanism of the second Y-axis skateboard 22 includes a third driving motor 24, and the third driving motor 24 is installed on the second Y-axis skateboard 22 through a Y-axis servo mounting seat. A fourth slider 25 is installed on the second Y-axis skateboard 22, and a fourth guide rail extending laterally is installed on the frame. The fourth slider 25 is slidably adapted to the fourth guide rail.

[0055] A fifth guide rail 26 is installed on the second Y-axis skateboard 22, and a fifth slider 27 is installed on the third Z-axis skateboard 23, and the fifth slider 27 is slidably adapted to the fifth guide rail 26; a sixth slider is installed on the front side of the third Z-axis skateboard 23 close to the first processing head 10, and a sixth guide rail is installed on the fourth Z-axis skateboard, and the sixth slider is slidably adapted to the sixth guide rail.

[0056] The driving mechanism of the third Z-axis skateboard 23 includes a fourth driving motor 28, and the fourth driving motor 28 is installed on the second Y-axis skateboard 22 through the second motor seat 29. The fourth driving motor 28 is driven and connected to the third Z-axis skateboard 23 through the second ball screw; the driving mechanism of the fourth Z-axis skateboard includes a second driving cylinder, and the second driving cylinder is installed on the second Y-axis skateboard 22 through the second cylinder seat. Preferably, in this embodiment, the second driving cylinder is installed on the third Z-axis skateboard 23 on the side of the second Y-axis skateboard 22 close to the first processing head 10 through the second cylinder seat; the second driving cylinder is drivingly connected to the fourth Z-axis skateboard.

[0057] like Figure 5 As shown, a compensation method for plate reference positioning of six-sided drilling includes the following steps:

[0058] Step 1: Processing starts, and processing data is generated based on the label information of the processed plate. Specifically, the label information of the processed plate is read by a barcode scanner, and then the host computer software parses the label information and generates processing data to be passed to the control system.

[0059] Step 2: The control system reads the processing data to obtain the panel size and process flow;

[0060] Step 3: Automatically start clamping and positioning the plate, and then use the laser sensor 30 to detect the width of the plate;

[0061] Step 4: Determine whether the detected panel width is within the panel width error range set by the control system; if so, when there is an error between the detected panel width and the panel width in the processing data, the detection result of the laser sensor 30 is compared with the panel width in the processing data to obtain the actual error value, and then the control system automatically compensates the positioning reference on both sides of the panel according to the actual error value and offsets the processing data before executing the processing; if not, the panel is withdrawn and an alarm is generated.

[0062] like Figure 4 As shown, the control system is a CNC control system. The CNC control system issues processing instructions and receives and processes external feedback signals based on processing data. The processing instructions are executed by the servo system and actuator of the double-station six-sided drill. The laser sensor 30 sends the plate detection displacement change signal to the system IO module of the CNC control system in real time, and the system IO module feeds back the external laser sensor signal to the CNC control system.

[0063] In summary, the design focus of the present invention is that it is mainly through installing laser sensors on the side of the first upper drill package close to the second processing head facing the second processing head and on the side of the second upper drill package close to the first processing head facing the first processing head, so that the laser sensor is used to detect the width dimension of the plate, and the detection is specifically carried out through the following steps: Step 1: At the beginning of processing, processing data is generated according to the label information of the processed plate; Step 2: The control system reads the processing data to obtain the plate size and process flow; Step 3: Automatically start clamping and positioning the plate, and then detect the width dimension of the plate through the laser sensor; Step 4: Determine whether the detected plate width dimension is within the plate width dimension error range set by the control system; if so, When there is an error between the detected panel width and the panel width in the processing data, the actual error value is obtained by comparing the detection result of the laser sensor with the panel width in the processing data, and then the control system automatically compensates the offset processing data for the positioning references on both sides of the panel according to the actual error value and then executes the processing; if not, the panel is withdrawn and an alarm is generated; in this way, the width of the panel can be detected by the laser sensor, and the detection result can be used in conjunction with the upper computer software and the CNC control system to automatically compensate the offset processing data for the positioning references on both sides of the panel, so that it can realize automatic compensation of the panel reference positioning of the six-sided drill, avoid the unevenness of the visible surface or poor assembly of the back panel, and improve the assembly quality of the furniture.

[0064] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A compensation method for plate reference positioning of six-sided drilling, characterized in that: It is based on a double-station six-sided drill, which includes a first station and a second station arranged in a left-right mirror image. The first station is provided with a first processing head, and the second station is provided with a second processing head. The first processing head and the second processing head are arranged in a left-right mirror image. The first processing head includes two first upper drilling packages arranged side by side on the left and right, and the second processing head includes two second upper drilling packages arranged side by side on the left and right. Laser sensors are installed on the side of the first upper drilling package close to the second processing head facing the second processing head and the side of the second upper drilling package close to the first processing head facing the first processing head. The laser sensor is used to detect the width size of the plate; It includes the following steps: Step 1: Processing starts, and processing data is generated based on the label information of the processed panel; Step 2: The control system reads the processing data to obtain the panel size and process flow; Step 3: Automatically start clamping and positioning the plate, and then use the laser sensor to detect the width of the plate; Step 4: Determine whether the detected panel width is within the panel width error range set by the control system; if so, when there is an error between the detected panel width and the panel width in the processing data, compare the detection result of the laser sensor with the panel width in the processing data to obtain the actual error value, and then the control system automatically compensates the positioning reference on both sides of the panel according to the actual error value and offsets the processing data before executing the processing; if not, the panel will be withdrawn and an alarm will be generated.

2. The compensation method for plate reference positioning of six-sided drilling according to claim 1 is characterized in that: In the step 1, the label information of the processed panel is read by a barcode scanner, and then the host computer software parses the label information and generates processing data to be transmitted to the control system.

3. The compensation method for plate reference positioning of six-sided drilling according to claim 1, characterized in that: The control system is a CNC control system, which issues processing instructions and receives and processes external feedback signals based on processing data. The processing instructions are executed by the servo system and actuator of the double-station six-sided drill. The laser sensor sends the plate detection displacement change signal to the system IO module of the CNC control system in real time, and the system IO module feeds back the external laser sensor signal to the CNC control system.

4. The compensation method for plate reference positioning of six-sided drilling according to claim 1, characterized in that: The first processing head further comprises a first upper spindle, which is arranged on a side of the first upper drill package close to the second processing head and facing the second processing head, and the laser sensor is arranged on the front side of the first upper spindle; The second processing head also includes a second upper spindle, which is arranged on a side of the second upper drill package close to the first processing head facing the first processing head, and the laser sensor is arranged on the front side of the second upper spindle.

5. The compensation method for plate reference positioning of six-sided drilling according to claim 4 is characterized in that: The first processing head also includes a first Y-axis slide installed on a frame of a double-station six-sided drill and a first Y-axis slide driving mechanism that drives the first Y-axis slide to slide back and forth in the Y direction on the frame, two first Z-axis slides installed on the first Y-axis slide and two first Z-axis slide driving mechanisms that respectively drive the two first Z-axis slides to slide back and forth in the Z direction on the first Y-axis slide, a second Z-axis slide installed on the first Y-axis slide and a second Z-axis slide driving mechanism that drives the second Z-axis slide to slide back and forth in the Z direction on the first Y-axis slide; the second Z-axis slide is located on the front side of the first Y-axis slide close to the second processing head, the first upper drill package is installed on the corresponding first Z-axis slide, and the first upper spindle is installed on the second Z-axis slide.

6. The compensation method for plate reference positioning of six-sided drilling according to claim 5, characterized in that: The first Y-axis skateboard driving mechanism includes a first driving motor, which is installed on the first Y-axis skateboard through a Y-axis servo mounting seat. The first Y-axis skateboard is equipped with a first slider, and the frame is equipped with a transversely extending first guide rail, and the first slider is slidably adapted to the first guide rail.

7. The compensation method for plate reference positioning of six-sided drilling according to claim 5, characterized in that: The first Z-axis slide driving mechanism comprises a second driving motor, the second driving motor is mounted on the first Y-axis slide via a first motor seat, and the second driving motor is connected to the first Z-axis slide via a first ball screw drive; The second Z-axis slide driving mechanism includes a first driving cylinder, which is installed on the first Y-axis slide through a first cylinder seat, and the first driving cylinder is drivingly connected to the second Z-axis slide.

8. The compensation method for plate reference positioning of six-side drilling according to claim 4, characterized in that: The second processing head also includes a second Y-axis slide installed on a frame of a double-station six-sided drill and a second Y-axis slide driving mechanism that drives the second Y-axis slide to slide back and forth in the Y direction on the frame, two third Z-axis slides installed on the second Y-axis slide and two third Z-axis slide driving mechanisms that respectively drive the two third Z-axis slides to slide back and forth in the Z direction on the second Y-axis slide, a fourth Z-axis slide installed on the second Y-axis slide and a fourth Z-axis slide driving mechanism that drives the fourth Z-axis slide to slide back and forth in the Z direction on the second Y-axis slide; the fourth Z-axis slide is located on the front side of the second Y-axis slide close to the first processing head, the second upper drill package is installed on the corresponding third Z-axis slide, and the second upper spindle is installed on the fourth Z-axis slide.

9. The compensation method for plate reference positioning of six-side drilling according to claim 8, characterized in that: The second Y-axis skateboard driving mechanism includes a third driving motor, and the third driving motor is installed on the second Y-axis skateboard through a Y-axis servo mounting seat. A fourth slider is installed on the second Y-axis skateboard, and a transversely extending fourth guide rail is installed on the frame, and the fourth slider is slidably adapted to the fourth guide rail.

10. The compensation method for plate reference positioning of six-side drilling according to claim 8, characterized in that: The third Z-axis slide driving mechanism comprises a fourth driving motor, the fourth driving motor is mounted on the second Y-axis slide via a second motor seat, and the fourth driving motor is connected to the third Z-axis slide via a second ball screw drive; The fourth Z-axis slide driving mechanism includes a second driving cylinder, which is installed on the second Y-axis slide through a second cylinder seat, and the second driving cylinder is drivingly connected to the fourth Z-axis slide.

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