Wire cutting machine and wire pulley adjusting method and device of wire cutting machine

Abstract

The invention provides a wire cutting machine and a wire pulley adjusting method and device of the wire cutting machine. The device further comprises a rotating shaft, a wire pulley, a servo motor and an image obtaining unit. The wire pulley is arranged close to the rotating shaft, and a cutting wire is led into the wire groove of the rotating shaft through the wire pulley, wound around the rotating shaft and then led out of the wire groove through the wire pulley. The servo motor is connected with the wire pulley and is used for adjusting the position of the wire pulley; the image acquisition unit is arranged at one end of the rotating shaft, the image acquisition unit can move in the axis direction of the rotating shaft, and the image acquisition unit can rotate around the rotating shaft; and the image acquisition unit is used for acquiring image information of the surface of the wire slot at the leading-in position and the leading-out position of the cutting wire on the rotating shaft. According to the scheme, the problems that in the prior art, the position of the wire pulley of the multi-wire cutting machine needs to be adjusted manually, and a wire groove and the wire pulley are prone to being damaged are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of semiconductor processing, and in particular to a wire cutting machine, and a wire pulley adjustment method and device for the wire cutting machine. Background Art

[0002] At present, the damaged state of the Shell wire trough of the multi-wire cutting machine is identified by experienced technicians. According to the identification results, the steel wire is transferred from the severely damaged V-shaped wire trough to the V-shaped wire trough in good condition, and the corresponding wire pulley position is adjusted to ensure that the steel wire does not deviate excessively when it moves. This operation requires high professional quality of the technicians, and it is easy to cause damage to the V-shaped wire trough and wire pulley due to misjudgment and other conditions, which ultimately affects the quality of the cut product. In addition, the working space is small when adjusting the wire pulley position, the operation is complicated, and the efficiency is low. Summary of the invention

[0003] The embodiments of the present invention provide a wire cutting machine, a wire cutting machine wire pulley adjustment method and a wire cutting machine wire cutting machine device, so as to solve the problem that the adjustment of the wire pulley position of the multi-wire cutting machine in the prior art requires manual operation, which easily causes damage to the wire groove and the wire pulley.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] In a first aspect, an embodiment of the present invention provides a wire cutting machine, comprising:

[0006] A rotating shaft, a wire pulley, a servo motor, and an image acquisition unit;

[0007] The wire pulley is arranged close to the rotating shaft, and the cutting wire is introduced into the wire groove of the rotating shaft through the wire pulley, and then led out from the wire groove through the wire pulley after winding around the rotating shaft;

[0008] The servo motor is connected to the wire pulley and is used to adjust the position of the wire pulley;

[0009] The image acquisition unit is arranged at one end of the rotating shaft, the image acquisition unit can move along the axial direction of the rotating shaft, and the image acquisition unit can rotate around the rotating shaft; the image acquisition unit is used to obtain image information of the wire groove surface at the introduction position and the lead-out position of the cutting line on the rotating shaft.

[0010] Furthermore, the line pulley comprises:

[0011] a first wire pulley and a second wire pulley, wherein the cutting wire is introduced into the wire groove through the first wire pulley, and the cutting wire is led out of the wire groove through the second wire pulley;

[0012] The servo motor comprises: a first servo motor and a second servo motor;

[0013] Wherein, the first servo motor is connected to the first wire pulley for driving the first wire pulley to move along the axial direction of the rotating shaft; the second servo motor is connected to the second wire pulley for driving the second wire pulley to move along the axial direction of the rotating shaft.

[0014] Furthermore, the rotating shaft comprises:

[0015] a first rotating shaft and a second rotating shaft;

[0016] The first wire pulley is arranged close to the first rotating shaft, and is used to introduce the cutting wire into the wire groove of the first rotating shaft, and make the cutting wire go around the first rotating shaft and the second rotating shaft;

[0017] The second wire pulley is arranged close to the second rotating shaft, and is used for leading the cutting wire out from the second rotating shaft.

[0018] Furthermore, the wire cutting machine also includes:

[0019] A drive unit and a connecting rod;

[0020] The image acquisition unit is connected to the driving unit via the connecting rod;

[0021] The driving unit is used to drive the connecting rod to move along the axial direction of the rotating shaft and to rotate around the rotating shaft.

[0022] Furthermore, the image acquisition unit is a charge coupled camera.

[0023] In a second aspect, an embodiment of the present invention provides a wire pulley adjustment method for a wire cutting machine, which is applied to the wire cutting machine as described above, and includes:

[0024] Acquire image information of the wire groove surface at the lead-in position and the lead-out position of the cutting wire on the rotating shaft;

[0025] Determining the degree of damage to the surface of the cable trough according to the image information;

[0026] According to the degree of damage on the surface of the wire groove, the servo motor is controlled to drive the wire pulley to move along the axial direction of the rotating shaft.

[0027] Furthermore, the step of obtaining image information of the surface of the wire groove at the lead-in position and the lead-out position of the cutting wire on the rotating shaft includes:

[0028] The images of the surface of the wire groove at the lead-in position and the lead-out position of the cutting wire on the rotating shaft are collected multiple times to obtain multiple images;

[0029] The multiple images are superimposed to obtain the image information.

[0030] Further, determining the degree of damage on the surface of the cable trough according to the image information includes:

[0031] The above image information is processed by image binarization, edge detection and grayscale stretching to obtain target data;

[0032] A deep learning algorithm is used according to the target data to calculate the damage result of the surface of the cable trough.

[0033] Further, according to the degree of damage on the surface of the wire groove, controlling the servo motor to drive the wire pulley to move along the axial direction of the rotating shaft includes:

[0034] When the degree of damage on the surface of the wire groove is greater than a preset threshold, the first servo motor and / or the second servo motor is controlled to drive the wire pulley to move along the axial direction of the rotating shaft from the end surface of the rotating shaft to the middle.

[0035] In a third aspect, an embodiment of the present invention provides a wire pulley adjustment device for a wire cutting machine, comprising:

[0036] An acquisition module, used to acquire image information of the surface of the wire groove at the lead-in position and the lead-out position of the cutting wire on the rotating shaft;

[0037] A determination module, used to determine the degree of damage on the surface of the cable trough according to the image information;

[0038] The control module is used to control the servo motor to drive the wire pulley to move along the axial direction of the rotating shaft according to the degree of damage on the surface of the wire groove.

[0039] The beneficial effects of the present invention are:

[0040] The wire cutting machine of the embodiment of the present application determines whether the wire groove at the introduction position and the lead-out position of the cutting wire is damaged by using the image information of the wire groove surface at the introduction position and the lead-out position of the cutting wire obtained by the image acquisition unit. In the case of damage to the wire groove, the position of the wire pulley is adjusted by the servo motor to change the introduction position and / or the lead-out position of the cutting wire, and the cutting wire is introduced and / or led out at an undamaged wire groove, thereby reducing the probability of damage to the wire groove or the wire pulley during the movement of the cutting wire. The problem that the adjustment of the wire pulley position of the multi-wire cutting machine in the prior art requires manual operation, which easily causes damage to the wire groove and the wire pulley is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 One of the structural schematic diagrams of the wire cutting machine according to the embodiment of the present invention is shown;

[0042] Figure 2 A second structural schematic diagram showing a wire cutting machine according to an embodiment of the present invention;

[0043] Figure 3 A schematic diagram showing the steps of a method for adjusting a wire pulley of a wire cutting machine according to an embodiment of the present invention;

[0044] Figure 4 A module schematic diagram of a wire pulley adjustment device for a wire cutting machine according to an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0045] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will be described in detail in conjunction with the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help fully understand the embodiments of the present invention. Therefore, it should be clear to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present invention. In addition, for clarity and brevity, the description of known functions and structures is omitted.

[0046] It should be understood that the references to "one embodiment" or "an embodiment" throughout the specification mean that the specific features, structures, or characteristics associated with the embodiment are included in at least one embodiment of the present invention. Therefore, the references to "in one embodiment" or "in an embodiment" appearing throughout the specification do not necessarily refer to the same embodiment. In addition, these specific features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0047] The present invention provides a wire cutting machine to solve the problem that the adjustment of the wire pulley position of the multi-wire cutting machine in the prior art requires manual operation, which easily causes damage to the wire groove and the wire pulley.

[0048] like Figure 1 As shown, the embodiment of the present application provides a wire cutting machine, comprising:

[0049] Rotating shaft 1, wire pulley 2, servo motor 3 and image acquisition unit 4;

[0050] The wire pulley 2 is arranged close to the rotating shaft 1, and the cutting wire 5 is introduced into the wire groove 11 of the rotating shaft 1 through the wire pulley 2, and then is led out from the wire groove 11 through the wire pulley 2 after going around the rotating shaft 1;

[0051] The servo motor 3 is connected to the wire pulley 2 and is used to adjust the position of the wire pulley 2;

[0052] The image acquisition unit 4 is arranged at one end of the rotating shaft 1, and the image acquisition unit 4 can move along the axial direction of the rotating shaft 1, and the image acquisition unit 4 can rotate around the rotating shaft 1; the image acquisition unit 4 is used to obtain image information of the surface of the wire groove 11 at the introduction position and the lead-out position of the cutting line 5 on the rotating shaft 1.

[0053] It should be noted that a plurality of wire grooves are evenly arranged on the rotating shaft; when the wire cutting machine is used for the first time, the introduction and lead-out of the cutting wire are both through the wire grooves located at the ends of the rotating shaft; each time the wire pulley is adjusted, the introduction and / or lead-out position of the cutting wire is moved one or a preset number of wire grooves toward the middle of the rotating shaft; after a preset number of wire pulley adjustments, the rotating shaft is scrapped.

[0054] Optionally, the wire groove is a V-shaped wire groove, and the cutting wire is a steel wire.

[0055] Optionally, the image information of the surface of the wire trough at the introduction position and the lead-out position includes: damage information of the surface of the wire trough at the introduction position and the lead-out position.

[0056] The wire cutting machine of the embodiment of the present application determines whether the wire groove at the introduction position and the lead-out position of the cutting wire is damaged by using the image information of the wire groove surface at the introduction position and the lead-out position of the cutting wire obtained by the image acquisition unit. In the case of damage to the wire groove, the position of the wire pulley is adjusted by the servo motor to change the introduction position and / or the lead-out position of the cutting wire, and the cutting wire is introduced and / or led out at an undamaged wire groove, thereby reducing the probability of damage to the wire groove or the wire pulley during the movement of the cutting wire. The problem that the adjustment of the wire pulley position of the multi-wire cutting machine in the prior art requires manual operation, which easily causes damage to the wire groove and the wire pulley is solved.

[0057] like Figure 2 As shown, the line pulley includes:

[0058] A first wire pulley 21 and a second wire pulley 22, the cutting wire 5 is introduced into the wire groove 11 through the first wire pulley 21, and the cutting wire 5 is led out of the wire groove 11 through the second wire pulley 22;

[0059] The servo motor 3 includes: a first servo motor 31 and a second servo motor 32;

[0060] Among them, the first servo motor 31 is connected to the first wire pulley 21, and is used to drive the first wire pulley 21 to move along the axial direction of the rotating shaft 1; the second servo motor 32 is connected to the second wire pulley 22, and is used to drive the second wire pulley 22 to move along the axial direction of the rotating shaft 1.

[0061] Optionally, the rotating shaft comprises:

[0062] A first rotating shaft 12 and a second rotating shaft 13;

[0063] The first wire pulley 21 is disposed close to the first rotating shaft 12, and is used to introduce the cutting wire 5 into the wire groove of the first rotating shaft 12, and make the cutting wire 5 go around the first rotating shaft 12 and the second rotating shaft 13;

[0064] The second wire pulley 22 is disposed close to the second rotating shaft 13 , and is used to lead the cutting wire 5 out from the second rotating shaft 13 .

[0065] Optionally, the first rotating shaft is an auxiliary rotating shaft, and the second rotating shaft is a main rotating shaft;

[0066] The first wire pulley is an introduction wire pulley, and the second wire pulley is an exit wire pulley.

[0067] The cutting wire is introduced from the first rotating shaft through the first wire pulley, and is led out from the second rotating shaft through the second wire pulley.

[0068] In an embodiment of the present application, the cutting line passes through the first wire pulley from the first wire groove corresponding to the introduction position near the first end of the first rotating shaft, and after wrapping around the first rotating shaft and the second rotating shaft for a preset number of times, it is led out from the lead-out position near the first end of the second rotating shaft and through the second wire pulley; the first end of the first rotating shaft and the first end of the second rotating shaft are ends in opposite directions.

[0069] like Figure 2 As shown, in the embodiment of the present application, the first servo motor drives the first wire pulley to move toward the center of the first rotating shaft and away from the axis of the first rotating shaft, so that the introduction wire slot of the cutting wire is moved toward the center of the first rotating shaft by a preset number of wire slots (for example, one or two wire slots are moved each time);

[0070] The second servo motor drives the second wire pulley to move toward the center of the second rotating shaft and away from the axis of the second rotating shaft, so that the lead-out wire slot of the cutting wire is moved toward the center of the second rotating shaft by a preset number of wire slots (for example, one or two wire slots at a time).

[0071] The wire cutting machine of the embodiment of the present application determines whether the wire groove at the introduction position and the lead-out position of the cutting wire is damaged by using the image information of the wire groove surface at the introduction position and the lead-out position of the cutting wire obtained by the image acquisition unit. In the case of damage to the wire groove, the position of the wire pulley is adjusted by the servo motor to change the introduction position and / or the lead-out position of the cutting wire, and the cutting wire is introduced and / or led out at an undamaged wire groove, thereby reducing the probability of damage to the wire groove or the wire pulley during the movement of the cutting wire. The problem that the adjustment of the wire pulley position of the multi-wire cutting machine in the prior art requires manual operation, which easily causes damage to the wire groove and the wire pulley is solved.

[0072] Optionally, the wire cutting machine further comprises:

[0073] A driving unit 6 and a connecting rod 7;

[0074] The image acquisition unit 4 is connected to the driving unit 6 via the connecting rod 7;

[0075] The driving unit 6 is used to drive the connecting rod 7 to move along the axial direction of the rotating shaft 1 and to rotate around the rotating shaft 1 .

[0076] In an embodiment of the present application, during the use of the cutting machine, the image acquisition unit is driven to move along the axial direction of the rotating shaft through the driving unit and the connecting rod, so that the damage status of multiple wire grooves around the wire groove corresponding to the cutting line introduction position and / or lead-out position can be obtained, thereby determining the target wire groove to be switched; the image acquisition unit is driven by the driving unit to rotate around the rotating shaft, so that the damage status of the wire groove around one circle can be obtained, thereby making the damage status of the wire groove more accurately judged.

[0077] The cutting machine of the embodiment of the present application can obtain the surface damage status of each wire groove on the rotating shaft around a circle by providing the driving unit and the connecting rod connected to the driving unit and the image acquisition unit.

[0078] Optionally, the image acquisition unit is a charge coupled camera.

[0079] The cutting machine of the embodiment of the present application obtains the surface damage status of the first wire groove corresponding to the introduction position on the rotating shaft and the second wire groove corresponding to the lead-out position on the rotating shaft through the charge coupled camera CCD, and then controls the movement of the wire pulley through the servo motor, so that the cutting wire is introduced and / or led out at the undamaged wire groove, reducing the probability of damage to the wire groove or wire pulley during the movement of the cutting wire. The problem that the adjustment of the wire pulley position of the multi-wire cutting machine in the prior art requires manual operation, which easily causes damage to the wire groove and wire pulley is solved.

[0080] like Figure 3 As shown, the embodiment of the present application also provides a wire pulley adjustment method for a wire cutting machine, which is applied to the wire cutting machine as described above, and includes the following steps:

[0081] Step 301, obtaining image information of the surface of the wire groove at the lead-in position and the lead-out position of the cutting wire on the rotating shaft;

[0082] Step 302, determining the degree of damage on the surface of the cable trough according to the image information;

[0083] Step 303: Control the servo motor to drive the wire pulley to move axially along the rotating shaft according to the degree of damage on the wire groove surface.

[0084] In an embodiment of the present application, the cutting line passes through the first wire pulley from the first wire groove corresponding to the introduction position near the first end of the first rotating shaft, and after wrapping around the first rotating shaft and the second rotating shaft for a preset number of times, it is led out from the lead-out position near the first end of the second rotating shaft and through the second wire pulley; the first end of the first rotating shaft and the first end of the second rotating shaft are ends in opposite directions.

[0085] In the embodiment of the present application, the first servo motor drives the first wire pulley to move toward the center of the first rotating shaft and away from the axis of the first rotating shaft, so that the introduction wire slot of the cutting wire is moved toward the center of the first rotating shaft by a preset number of wire slots (for example, one or two wire slots each time);

[0086] The second servo motor drives the second wire pulley to move toward the center of the second rotating shaft and away from the axis of the second rotating shaft, so that the lead-out wire slot of the cutting wire is moved toward the center of the second rotating shaft by a preset number of wire slots (for example, one or two wire slots at a time).

[0087] The wire pulley adjustment method of the wire cutting machine of the embodiment of the present application determines whether the wire groove at the introduction position and the lead-out position of the cutting wire is damaged by using the image information of the wire groove surface at the introduction position and the lead-out position of the cutting wire obtained by the image acquisition unit. In the case of damage to the wire groove, the position of the wire pulley is adjusted by the servo motor, so that the cutting wire changes the introduction position and / or the lead-out position, and is introduced and / or led out at an undamaged wire groove, thereby reducing the probability of damage to the wire groove or the wire pulley during the movement of the cutting wire. The problem that the adjustment of the wire pulley position of the multi-wire cutting machine in the prior art requires manual operation, which easily causes damage to the wire groove and the wire pulley is solved.

[0088] Optionally, the step of obtaining image information of the surface of the wire groove at the lead-in position and the lead-out position of the cutting wire on the rotating shaft includes:

[0089] The images of the surface of the wire groove at the lead-in position and the lead-out position of the cutting wire on the rotating shaft are collected multiple times to obtain multiple images;

[0090] The multiple images are superimposed to obtain the image information.

[0091] The wire pulley adjustment method of the wire cutting machine in the embodiment of the present application can obtain more accurate damage levels of the wire groove surface at the introduction position and the lead-out position by superimposing the obtained images, thereby improving the accuracy of the basis for adjusting the wire pulley.

[0092] Optionally, determining the degree of damage on the surface of the cable trough according to the image information includes:

[0093] The above image information is processed by image binarization, edge detection and grayscale stretching to obtain target data;

[0094] A deep learning algorithm is used according to the target data to calculate the damage result of the surface of the cable trough.

[0095] The wire pulley adjustment method of the wire cutting machine in the embodiment of the present application processes the image so that the obtained image is closer to the actual damage state of the wire groove surface, thereby being able to better determine the accurate timing of adjusting the wire pulley.

[0096] Optionally, controlling the servo motor to drive the wire pulley to move axially along the rotating shaft according to the degree of damage on the wire groove surface includes:

[0097] When the degree of damage on the surface of the wire groove is greater than a preset threshold, the first servo motor and / or the second servo motor is controlled to drive the wire pulley to move along the axial direction of the rotating shaft from the end surface of the rotating shaft to the middle.

[0098] The embodiment of the present application determines whether the wire groove at the introduction position and the lead-out position of the cutting wire is damaged by acquiring image information of the wire groove surface at the introduction position and the lead-out position of the cutting wire. In the case of damage to the wire groove, the position of the wire pulley is adjusted by the servo motor to change the introduction position and / or the lead-out position of the cutting wire, and the wire groove or the wire pulley is introduced and / or led out at an undamaged wire groove, thereby reducing the probability of damage to the wire groove or the wire pulley during the movement of the cutting wire. The problem that the adjustment of the wire pulley position of the multi-wire cutting machine in the prior art requires manual operation, which easily causes damage to the wire groove and the wire pulley is solved.

[0099] like Figure 4 As shown, the embodiment of the present application further provides a wire pulley adjustment device 400 for a wire cutting machine, comprising:

[0100] An acquisition module 401 is used to acquire image information of the surface of the wire groove at the lead-in position and the lead-out position of the cutting wire on the rotating shaft;

[0101] A determination module 402, configured to determine the degree of damage on the surface of the cable trough according to the image information;

[0102] The control module 403 is used to control the servo motor to drive the wire pulley to move along the axial direction of the rotating shaft according to the damage degree of the wire groove surface.

[0103] The wire pulley adjustment device of the wire cutting machine of the embodiment of the present application determines whether the wire groove at the introduction position and the lead-out position of the cutting wire is damaged by using the image information of the wire groove surface at the introduction position and the lead-out position of the cutting wire obtained by the image acquisition unit. In the case of damage to the wire groove, the position of the wire pulley is adjusted by the servo motor, so that the cutting wire changes the introduction position and / or the lead-out position, and is introduced and / or led out at an undamaged wire groove, thereby reducing the probability of damage to the wire groove or the wire pulley during the movement of the cutting wire. The problem that the adjustment of the wire pulley position of the multi-wire cutting machine in the prior art requires manual operation, which easily causes damage to the wire groove and the wire pulley is solved.

[0104] In addition, a specific embodiment of the present invention further provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the steps of the above method are implemented. The same technical effect can be achieved, and to avoid repetition, it will not be repeated here.

[0105] The embodiment of the present application also provides a computer program product, including computer instructions. When the computer instructions are executed by a processor, the various processes of the above-mentioned method embodiment are implemented and the same technical effect can be achieved. To avoid repetition, they are not repeated here.

[0106] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary personnel in this technical field, several improvements and modifications can be made without departing from the principles described in the present invention. These improvements and modifications are also within the scope of protection of the present invention.

Claims

1. A wire cutting machine, characterized in that: include: A rotating shaft, a wire pulley, a servo motor, and an image acquisition unit; The wire pulley is arranged close to the rotating shaft, and the cutting wire is introduced into the wire groove of the rotating shaft through the wire pulley, and then led out from the wire groove through the wire pulley after winding around the rotating shaft; The servo motor is connected to the wire pulley and is used to adjust the position of the wire pulley; The image acquisition unit is arranged at one end of the rotating shaft, the image acquisition unit can move along the axial direction of the rotating shaft, and the image acquisition unit can rotate around the rotating shaft; the image acquisition unit is used to obtain the position of the cutting line on the rotating shaft and the image information of the surface of the wire groove at the lead-out position.

2. The wire cutting machine according to claim 1, characterized in that: The line pulley comprises: a first wire pulley and a second wire pulley, wherein the cutting wire is introduced into the wire groove through the first wire pulley, and the cutting wire is led out of the wire groove through the second wire pulley; The servo motor comprises: a first servo motor and a second servo motor; Wherein, the first servo motor is connected to the first wire pulley for driving the first wire pulley to move along the axial direction of the rotating shaft; the second servo motor is connected to the second wire pulley for driving the second wire pulley to move along the axial direction of the rotating shaft.

3. The wire cutting machine according to claim 2, characterized in that: The rotating shaft comprises: a first rotating shaft and a second rotating shaft; The first wire pulley is arranged close to the first rotating shaft, and is used to introduce the cutting wire into the wire groove of the first rotating shaft, and make the cutting wire go around the first rotating shaft and the second rotating shaft; The second wire pulley is arranged close to the second rotating shaft, and is used for leading the cutting wire out from the second rotating shaft.

4. The wire cutting machine according to claim 1, characterized in that: Also includes: A drive unit and a connecting rod; The image acquisition unit is connected to the driving unit via the connecting rod; The driving unit is used to drive the connecting rod to move along the axial direction of the rotating shaft and to rotate around the rotating shaft.

5. The wire cutting machine according to claim 1, characterized in that: The image acquisition unit is a charge coupled camera.

6. A method for adjusting a wire pulley of a wire cutting machine, applied to the wire cutting machine according to any one of claims 1 to 5, characterized in that: include: Acquire image information of the wire groove surface at the lead-in position and the lead-out position of the cutting wire on the rotating shaft; Determining the degree of damage to the surface of the cable trough according to the image information; According to the degree of damage on the surface of the wire groove, the servo motor is controlled to drive the wire pulley to move along the axial direction of the rotating shaft.

7. The wire pulley adjustment method of a wire cutting machine according to claim 6, characterized in that: The method of obtaining image information of the surface of the wire groove at the lead-in position and the lead-out position of the cutting wire on the rotating shaft includes: The images of the surface of the wire groove at the lead-in position and the lead-out position of the cutting wire on the rotating shaft are collected multiple times to obtain multiple images; The multiple images are superimposed to obtain the image information.

8. The wire pulley adjustment method of a wire cutting machine according to claim 6, characterized in that: Determining the degree of damage to the surface of the cable trough according to the image information includes: The above image information is processed by image binarization, edge detection and grayscale stretching to obtain target data; A deep learning algorithm is used according to the target data to calculate the damage result of the surface of the cable trough.

9. The wire pulley adjustment method of a wire cutting machine according to claim 6, characterized in that: According to the degree of damage to the surface of the wire groove, controlling the servo motor to drive the wire pulley to move along the axial direction of the rotating shaft comprises: When the degree of damage on the surface of the wire groove is greater than a preset threshold, the first servo motor and / or the second servo motor is controlled to drive the wire pulley to move along the axial direction of the rotating shaft from the end surface of the rotating shaft to the middle.

10. A wire pulley adjustment device for a wire cutting machine, characterized in that: include: An acquisition module, used to acquire image information of the surface of the wire groove at the lead-in position and the lead-out position of the cutting wire on the rotating shaft; A determination module, used to determine the degree of damage on the surface of the cable trough according to the image information; The control module is used to control the servo motor to drive the wire pulley to move along the axial direction of the rotating shaft according to the degree of damage on the surface of the wire groove.

Images