阅读说明：本技术 一种电脑锯与rgv对接的控制方法 (Control method for butt joint of computer saw and RGV ) 是由 董慧涛 陈悦 秦振伟 梁浩伟 于 2021-07-06 设计创作，主要内容包括：本发明公开一种电脑锯与RGV对接的控制方法,在电脑锯的进、退料侧均设置有自动水平送料台、自动升降台,还设置有RGV小车可移动式与自动水平送料台衔接,通过电脑锯的控制系统分别控制于自动水平送料台、自动升降台；进料时,控制RGV小车运送一垛板材至自动水平送料台,再由自动水平送料台送至自动升降台,再由自动升降台送板材至电脑锯加工位；退料时,电脑锯加工位的加工后板材自动送至自动升降台,再由自动升降台送至自动水平送料台,再由自动水平送料台上的板材自动退至RGV小车上。其整个控制方法完全自动化,不需人工参与,实现了智能工厂电脑锯进料退料的全自动化方案。(The invention discloses a control method for butt joint of a computer saw and an RGV (reduced graphics vector), wherein an automatic horizontal feeding table and an automatic lifting table are arranged at the feeding side and the returning side of the computer saw, an RGV trolley is movably connected with the automatic horizontal feeding table, and is respectively controlled by a control system of the computer saw; during feeding, controlling the RGV to convey a stack of plates to the automatic horizontal feeding table, then conveying the stack of plates to the automatic lifting table from the automatic horizontal feeding table, and then conveying the stack of plates to the computer sawing station from the automatic lifting table; when returning, the processed plate at the processing position of the computer saw is automatically sent to the automatic lifting table, then sent to the automatic horizontal feeding table by the automatic lifting table, and then automatically returned to the RGV trolley by the plate on the automatic horizontal feeding table. The whole control method is fully automatic, manual participation is not needed, and a full-automatic scheme of feeding and returning materials of the computer saw in an intelligent factory is realized.)

1. A control method for butting a computer saw and an RGV is characterized in that: an automatic horizontal feeding table and an automatic lifting table are arranged on the feeding side and the discharging side of the computer saw, and an RGV trolley is movably connected with the automatic horizontal feeding table and is respectively controlled by a control system of the computer saw;

during feeding, controlling the RGV to convey a stack of plates to the automatic horizontal feeding table, then conveying the stack of plates to the automatic lifting table from the automatic horizontal feeding table, and then conveying the stack of plates to the computer sawing station from the automatic lifting table; when one stack of plates is conveyed to the automatic lifting table from the automatic horizontal feeding table, the RGV trolley conveys the other stack of plates to the automatic horizontal feeding table for waiting for feeding;

when returning, the processed plate at the processing position of the computer saw is automatically conveyed to the automatic lifting table and then conveyed to the automatic horizontal feeding table by the automatic lifting table, and the control system controls the plate on the automatic horizontal feeding table to automatically return to the RGV trolley.

2. The method of claim 1, wherein the computer saw is docked with an RGV and the docking station comprises: the feed flow is as follows

Step 1, detecting whether a plate exists on an automatic horizontal feeding table or not after starting an automatic feeding mode;

step 2, if no plate exists, allowing feeding by the computer saw, requesting feeding by the RGV, positively rotating a motor of the automatic horizontal feeding table, and feeding the plate on the RGV onto the automatic horizontal feeding table until the plate in-place detection switch of the automatic horizontal feeding table is triggered;

step 3, detecting whether the automatic lifting platform has a plate or not;

step 4, if no board exists, detecting whether a lower limit travel switch of the automatic lifting platform is triggered;

step 5, if the sheet material is triggered, controlling a motor of the automatic horizontal feeding table to rotate forwards, and feeding the sheet material on the automatic horizontal feeding table to the automatic lifting table;

if the sheet material is not triggered, stopping the rotation of the motor of the automatic horizontal feeding table, controlling the automatic lifting table to descend until a lower limit travel switch of the automatic lifting table is triggered, then controlling the motor of the automatic horizontal feeding table to rotate forwards, and feeding the sheet material on the automatic horizontal feeding table to the automatic lifting table;

step 6, detecting whether the automatic lifting platform has a plate or not;

step 7, if the plate exists, stopping the rotation of the motors of the automatic horizontal feeding table and the automatic lifting table, not allowing the computer saw to feed, and stopping the feeding request of the RGV trolley;

in the step 3, if a plate is detected to be fed back, directly entering a step 7;

step 8, the automatic lifting platform ascends gradually to enable the plates on the automatic lifting platform to be sent to a computer sawing station gradually until the automatic lifting platform ascends to enable an upper limit travel switch of the automatic lifting platform to be triggered;

and after the plate on the automatic lifting platform is conveyed to the processing station of the computer saw, the automatic lifting platform descends to the bottom, and the feeding is finished.

3. The method of claim 2, wherein the computer saw is docked with an RGV, and the method further comprises: step 5, if the automatic horizontal feeding table is not triggered, after the motor of the automatic horizontal feeding table stops rotating, firstly controlling the automatic lifting table to ascend for a set time, and then controlling the automatic lifting table to descend until a lower limit travel switch of the automatic lifting table is triggered;

in the process of controlling the automatic lifting platform to descend, setting time length for each descending action, detecting whether a lower limit travel switch of the automatic lifting platform is triggered, and if not, continuously controlling the automatic lifting platform to descend.

4. The method of claim 1, wherein the computer saw is docked with an RGV and the docking station comprises: the material returning process is as follows

Step 1, after an automatic material returning mode is started, a shaping variable in a DB is written into 1, and whether a board exists in an automatic horizontal feeding table or not is detected;

step 2, if the automatic horizontal feeding table has no plate, detecting whether the automatic lifting table has a plate or not;

step 3, if a plate exists, detecting whether a lower limit travel switch of the automatic lifting platform is triggered;

step 4, if the sheet material is triggered, controlling motors of the automatic lifting table and the automatic horizontal feeding table to rotate reversely, and returning the processed sheet material from the automatic lifting table to the automatic horizontal feeding table;

if the sheet material is not triggered, controlling the automatic lifting platform to descend to a lower limit travel switch of the automatic lifting platform to be triggered, then controlling motors of the automatic lifting platform and the automatic horizontal feeding platform to rotate reversely, and returning the processed sheet material from the automatic lifting platform to the automatic horizontal feeding platform;

step 5, detecting whether the automatic horizontal feeding table has a plate or not;

step 6, if a plate exists, controlling a motor of the automatic lifting platform to stop rotating, wherein at the moment, the shaping variable in the DB is equal to 2;

in the step 1, if a board exists in the search feedback, directly entering a step 6;

step 7, controlling a motor of the automatic horizontal feeding table to rotate reversely, and returning the plate of the automatic horizontal feeding table to the RGV trolley;

step 8, detecting whether the RGV has a plate or not;

step 9, if a board exists, at this time, the shaping variable in the DB is equal to 3;

step 10, controlling a motor of the automatic horizontal feeding table to stop rotating;

step 11, writing a shaping variable into 0 in the DB;

in the step 2, if the search feedback has no board, directly entering the step 11;

and ending the material returning until all the plates of the automatic lifting platform return to the RGV.

5. The method of claim 4, wherein the computer saw is docked with an RGV and the docking station comprises: and 4, if the trigger is not triggered, firstly controlling the automatic lifting platform to ascend for a set time, and then controlling the automatic lifting platform to descend until a lower limit travel switch of the automatic lifting platform is triggered.

6. The method of claim 1, wherein the computer saw is docked with an RGV and the docking station comprises: the automatic horizontal feeding table is a roller, and the automatic lifting table is a hydraulic lifting table.

7. The method of claim 1, wherein the computer saw is docked with an RGV and the docking station comprises: the automatic lifting platform is characterized in that a PLC output point controls a hydraulic oil pump motor through a thermal relay and a contactor respectively, and then an oil cylinder is controlled by a hydraulic electromagnetic valve to lift the lifting platform, the oil cylinder is provided with an upper limit travel switch and a lower limit travel switch, signals of the upper limit travel switch and the lower limit travel switch are fed back to a PLC input point, and the PLC output point controls the motor to rotate forwards and backwards through the thermal relay and the contactor respectively to realize feeding and returning; meanwhile, the hydraulic lifting platform is provided with an upward detection photoelectric switch for detecting whether the plate is in place or not.

8. The method of claim 1, wherein the computer saw is docked with an RGV and the docking station comprises: the automatic horizontal feeding table controls the motor to rotate forward and backward through a thermal relay and a contactor by a PLC output point respectively to realize feeding and discharging, and meanwhile, a photoelectric switch for upward detection is arranged on the roller and is used for detecting whether the plate is in place or not.

9. The method of claim 1, wherein the computer saw is docked with an RGV and the docking station comprises: the RGV trolley is controlled by a system of a furniture factory, and a control system of the computer saw interacts signals with the system of the furniture factory to realize the butt joint of the RGV trolley and the computer saw.

Technical Field

The invention relates to the technical field of automatic feeding computer saws, in particular to a control method for butt joint of a computer saw and an RGV.

Background

The computer saw refers to a computer saw with an automatic back feeding function (including an automatic side feeding computer saw) and is provided with a hydraulic lifting table and a feeding roller. During normal work, a forklift forks a stack of wood boards onto a feeding roller, an operator manually presses a button to control the feeding roller and a hydraulic table roller to rotate forwards, the stack of wood boards are conveyed onto the hydraulic table to complete feeding, material returning is also realized by manually pressing the button to control the feeding roller and the hydraulic table roller to rotate backwards, the wood boards are returned onto the feeding roller, and then the wood boards are forked away by the forklift. Therefore, in the traditional technology, the feeding and the returning of the computer saw are both operated manually, the labor cost is high, and meanwhile, the automation degree of the computer saw is limited.

Therefore, in the present invention, the applicant has studied a new technical solution to solve the above problems.

Disclosure of Invention

In view of the above, the present invention is directed to the defects existing in the prior art, and the main object of the present invention is to provide a method for controlling the docking of a computer saw and an RGV, wherein the whole control method is fully automated without manual intervention, thereby realizing a full automation scheme for feeding and returning the computer saw in an intelligent factory.

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

a computer saw and RGV butt joint control method, there are automatic horizontal feeding platforms, automatic lifting platforms in the material feeding, material returning side of the computer saw, there are RGV dolly movable to link up with automatic horizontal feeding platform, control in automatic horizontal feeding platform, automatic lifting platform, RGV dolly separately through the control system of the computer saw;

during feeding, controlling the RGV to convey a stack of plates to the automatic horizontal feeding table, then conveying the stack of plates to the automatic lifting table from the automatic horizontal feeding table, and then conveying the stack of plates to the computer sawing station from the automatic lifting table; when one stack of plates is conveyed to the automatic lifting table from the automatic horizontal feeding table, the RGV trolley conveys the other stack of plates to the automatic horizontal feeding table for waiting for feeding;

when returning, the processed plate at the processing position of the computer saw is automatically conveyed to the automatic lifting table and then conveyed to the automatic horizontal feeding table by the automatic lifting table, and the control system controls the plate on the automatic horizontal feeding table to automatically return to the RGV trolley.

As a preferred scheme, the feeding flow is as follows

Step 1, detecting whether a plate exists on an automatic horizontal feeding table or not after starting an automatic feeding mode;

step 2, if no plate exists, allowing feeding by the computer saw, requesting feeding by the RGV, positively rotating a motor of the automatic horizontal feeding table, and feeding the plate on the RGV onto the automatic horizontal feeding table until the plate in-place detection switch of the automatic horizontal feeding table is triggered;

step 3, detecting whether the automatic lifting platform has a plate or not;

step 4, if no board exists, detecting whether a lower limit travel switch of the automatic lifting platform is triggered;

step 5, if the sheet material is triggered, controlling a motor of the automatic horizontal feeding table to rotate forwards, and feeding the sheet material on the automatic horizontal feeding table to the automatic lifting table;

if the sheet material is not triggered, stopping the rotation of the motor of the automatic horizontal feeding table, controlling the automatic lifting table to descend until a lower limit travel switch of the automatic lifting table is triggered, then controlling the motor of the automatic horizontal feeding table to rotate forwards, and feeding the sheet material on the automatic horizontal feeding table to the automatic lifting table;

step 6, detecting whether the automatic lifting platform has a plate or not;

step 7, if the plate exists, stopping the rotation of the motors of the automatic horizontal feeding table and the automatic lifting table, not allowing the computer saw to feed, and stopping the feeding request of the RGV trolley;

in the step 3, if a plate is detected to be fed back, directly entering a step 7;

step 8, the automatic lifting platform ascends gradually to enable the plates on the automatic lifting platform to be sent to a computer sawing station gradually until the automatic lifting platform ascends to enable an upper limit travel switch of the automatic lifting platform to be triggered;

and after the plate on the automatic lifting platform is conveyed to the processing station of the computer saw, the automatic lifting platform descends to the bottom, and the feeding is finished.

As a preferable scheme, in the step 5, if the automatic horizontal feeding table is not triggered, after the motor of the automatic horizontal feeding table stops rotating, the automatic lifting table is firstly controlled to ascend for a set time length, and then the automatic lifting table is controlled to descend until a lower limit travel switch of the automatic lifting table is triggered;

in the process of controlling the automatic lifting platform to descend, setting time length for each descending action, detecting whether a lower limit travel switch of the automatic lifting platform is triggered, and if not, continuously controlling the automatic lifting platform to descend.

As a preferred scheme, the material returning process comprises the following steps

Step 1, after an automatic material returning mode is started, a shaping variable in a DB is written into 1, and whether a board exists in an automatic horizontal feeding table or not is detected;

step 2, if the automatic horizontal feeding table has no plate, detecting whether the automatic lifting table has a plate or not;

step 3, if a plate exists, detecting whether a lower limit travel switch of the automatic lifting platform is triggered;

step 4, if the sheet material is triggered, controlling motors of the automatic lifting table and the automatic horizontal feeding table to rotate reversely, and returning the processed sheet material from the automatic lifting table to the automatic horizontal feeding table;

if the sheet material is not triggered, controlling the automatic lifting platform to descend to a lower limit travel switch of the automatic lifting platform to be triggered, then controlling motors of the automatic lifting platform and the automatic horizontal feeding platform to rotate reversely, and returning the processed sheet material from the automatic lifting platform to the automatic horizontal feeding platform;

step 5, detecting whether the automatic horizontal feeding table has a plate or not;

step 6, if a plate exists, controlling a motor of the automatic lifting platform to stop rotating, wherein at the moment, the shaping variable in the DB is equal to 2;

in the step 1, if a board exists in the search feedback, directly entering a step 6;

step 7, controlling a motor of the automatic horizontal feeding table to rotate reversely, and returning the plate of the automatic horizontal feeding table to the RGV trolley;

step 8, detecting whether the RGV has a plate or not;

step 9, if a board exists, at this time, the shaping variable in the DB is equal to 3;

step 10, controlling a motor of the automatic horizontal feeding table to stop rotating;

step 11, writing a shaping variable into 0 in the DB;

in the step 2, if the search feedback has no board, directly entering the step 11;

and ending the material returning until all the plates of the automatic lifting platform return to the RGV.

As a preferable scheme, in step 4, if the trigger is not triggered, the automatic lifting platform is firstly controlled to ascend for a set time length, and then the automatic lifting platform is controlled to descend until a lower limit travel switch of the automatic lifting platform is triggered.

As a preferred scheme, the automatic horizontal feeding table is a roller, and the automatic lifting table is a hydraulic lifting table.

As a preferred scheme, the automatic lifting platform is characterized in that a PLC output point controls a hydraulic oil pump motor through a thermal relay and a contactor respectively, and an oil cylinder is controlled through a hydraulic electromagnetic valve to lift the lifting platform, the oil cylinder is provided with an upper limit travel switch and a lower limit travel switch, signals of the upper limit travel switch and the lower limit travel switch are fed back to the PLC input point, and the PLC output point controls the motor to rotate forwards and backwards through the thermal relay and the contactor respectively to realize feeding and returning; meanwhile, the hydraulic lifting platform is provided with an upward detection photoelectric switch for detecting whether the plate is in place or not.

As a preferred scheme, the automatic horizontal feeding table controls the motor to rotate forward and backward through a thermal relay and a contactor respectively by a PLC output point to realize feeding and discharging, and a photoelectric switch for upward detection is arranged on the roller and is used for detecting whether the plate is in place.

As a preferable scheme, the RGV trolley is controlled by a system of a furniture factory, and a control system of the computer saw and the system of the furniture factory interact signals to realize the butt joint of the RGV trolley and the computer saw.

Compared with the prior art, the invention has obvious advantages and beneficial effects, and particularly, according to the technical scheme, the whole control method is fully automatic, manual participation is not needed, and the full-automatic scheme of feeding and returning the computer saw in an intelligent factory is realized; the problems that in the traditional technology, feeding and returning of the computer saw depend on manual operation, labor cost is high, and meanwhile, the automation degree of the computer saw is limited are effectively solved.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a control system diagram of an embodiment of the present invention;

FIG. 2 is a detailed control system diagram of an embodiment of the present invention;

FIG. 3 is a flow chart of feed control for an embodiment of the present invention;

FIG. 4 is a flowchart illustrating material return control according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1 to 4, specific structures of the embodiments of the present invention are shown.

A computer saw and RGV butt joint control method, there are automatic horizontal feeding platforms, automatic lifting platforms in the material feeding, material returning side of the computer saw (such as the computer saw of back feeding), also there are RGV dolly movable to link up with automatic horizontal feeding platform, control in automatic horizontal feeding platform, automatic lifting platform separately through the control system of the computer saw; the RGV trolley is controlled by a system of a furniture factory, and a control system of the computer saw interacts signals with the system of the furniture factory to realize the butt joint of the RGV trolley and the computer saw.

During feeding, controlling the RGV to convey a stack of plates to the automatic horizontal feeding table, then conveying the stack of plates to the automatic lifting table from the automatic horizontal feeding table, and then conveying the stack of plates to the computer sawing station from the automatic lifting table; when one stack of plates is conveyed to the automatic lifting table from the automatic horizontal feeding table, the RGV trolley conveys the other stack of plates to the automatic horizontal feeding table for waiting for feeding;

when returning, the processed plate at the processing position of the computer saw is automatically conveyed to the automatic lifting table and then conveyed to the automatic horizontal feeding table by the automatic lifting table, and the control system controls the plate on the automatic horizontal feeding table to automatically return to the RGV trolley.

As shown in FIG. 3, the feed flow is as follows

Step 1, detecting whether a plate exists on an automatic horizontal feeding table or not after starting an automatic feeding mode;

step 2, if no plate exists, allowing feeding by the computer saw, requesting feeding by the RGV, positively rotating a motor of the automatic horizontal feeding table, and feeding the plate on the RGV onto the automatic horizontal feeding table until the plate in-place detection switch of the automatic horizontal feeding table is triggered;

step 3, detecting whether the automatic lifting platform has a plate or not;

step 4, if no board exists, detecting whether a lower limit travel switch of the automatic lifting platform is triggered;

step 5, if the sheet material is triggered, controlling a motor of the automatic horizontal feeding table to rotate forwards, and feeding the sheet material on the automatic horizontal feeding table to the automatic lifting table;

if the sheet material is not triggered, stopping the rotation of the motor of the automatic horizontal feeding table, controlling the automatic lifting table to descend until a lower limit travel switch of the automatic lifting table is triggered, then controlling the motor of the automatic horizontal feeding table to rotate forwards, and feeding the sheet material on the automatic horizontal feeding table to the automatic lifting table;

step 6, detecting whether the automatic lifting platform has a plate or not;

step 7, if the plate exists, stopping the rotation of the motors of the automatic horizontal feeding table and the automatic lifting table, not allowing the computer saw to feed, and stopping the feeding request of the RGV trolley;

in the step 3, if a plate is detected to be fed back, directly entering a step 7;

and 8, after the plate on the automatic lifting platform is conveyed to a computer saw machining station, the automatic lifting platform descends to the bottom, and feeding is finished. Here, the process that the panel on the automatic lifting platform sent to the computer saw adds the station can be: the automatic lifting platform ascends gradually so that the plates on the automatic lifting platform are sent to the computer sawing station gradually until the automatic lifting platform ascends to trigger an upper limit travel switch of the automatic lifting platform.

Step 5, if the automatic horizontal feeding table is not triggered, after the motor of the automatic horizontal feeding table stops rotating, firstly controlling the automatic lifting table to ascend for a set time, and then controlling the automatic lifting table to descend until a lower limit travel switch of the automatic lifting table is triggered;

in the process of controlling the automatic lifting platform to descend, setting time length for each descending action, detecting whether a lower limit travel switch of the automatic lifting platform is triggered, and if not, continuously controlling the automatic lifting platform to descend.

As shown in FIG. 4, the material returning process is as follows

Step 1, after an automatic material returning mode is started, a shaping variable in a DB is written into 1, and whether a board exists in an automatic horizontal feeding table or not is detected;

step 2, if the automatic horizontal feeding table has no plate, detecting whether the automatic lifting table has a plate or not;

step 3, if a plate exists, detecting whether a lower limit travel switch of the automatic lifting platform is triggered;

step 4, if the sheet material is triggered, controlling motors of the automatic lifting table and the automatic horizontal feeding table to rotate reversely, and returning the processed sheet material from the automatic lifting table to the automatic horizontal feeding table;

if the sheet material is not triggered, controlling the automatic lifting platform to descend to a lower limit travel switch of the automatic lifting platform to be triggered, then controlling motors of the automatic lifting platform and the automatic horizontal feeding platform to rotate reversely, and returning the processed sheet material from the automatic lifting platform to the automatic horizontal feeding platform;

step 5, detecting whether the automatic horizontal feeding table has a plate or not;

step 6, if a plate exists, controlling a motor of the automatic lifting platform to stop rotating, wherein at the moment, the shaping variable in the DB is equal to 2;

in the step 1, if a board exists in the search feedback, directly entering a step 6;

step 7, controlling a motor of the automatic horizontal feeding table to rotate reversely, and returning the plate of the automatic horizontal feeding table to the RGV trolley;

step 8, detecting whether the RGV has a plate or not;

step 9, if a board exists, at this time, the shaping variable in the DB is equal to 3;

step 10, controlling a motor of the automatic horizontal feeding table to stop rotating;

step 11, writing a shaping variable into 0 in the DB;

in the step 2, if the search feedback has no board, directly entering the step 11;

and ending the material returning until all the plates of the automatic lifting platform return to the RGV.

And 4, if the trigger is not triggered, firstly controlling the automatic lifting platform to ascend for a set time, and then controlling the automatic lifting platform to descend until a lower limit travel switch of the automatic lifting platform is triggered.

It should be noted that:

in this embodiment, the automatic horizontal feeding table is a roller, and the automatic lifting table is a hydraulic lifting table. The automatic lifting platform is characterized in that a PLC output point controls a hydraulic oil pump motor through a thermal relay and a contactor respectively, and then an oil cylinder is controlled by a hydraulic electromagnetic valve to lift the lifting platform, the oil cylinder is provided with an upper limit travel switch and a lower limit travel switch, signals of the upper limit travel switch and the lower limit travel switch are fed back to a PLC input point, and the PLC output point controls the motor to rotate forwards and backwards through the thermal relay and the contactor respectively to realize feeding and returning; meanwhile, the hydraulic lifting platform is provided with an upward detection photoelectric switch for detecting whether the plate is in place or not. The automatic horizontal feeding table controls the motor to rotate forward and backward through a thermal relay and a contactor by a PLC output point respectively to realize feeding and discharging, and meanwhile, a photoelectric switch for upward detection is arranged on the roller and is used for detecting whether the plate is in place or not. Generally, a material pushing mechanism can be arranged between the RGV trolley at the feeding side and the automatic horizontal feeding table, between the automatic horizontal feeding table and the automatic lifting table, and between the automatic lifting table and the computer saw processing position; and a material pushing mechanism can be arranged between the computer saw processing station and the automatic lifting table on the material returning side, between the automatic lifting table and the automatic horizontal feeding table, and between the automatic horizontal feeding table and the RGV trolley. The control system of the computer saw may be referred to as a Programmable Logic Controller (PLC). The RGV trolley is a trolley which can move along a track and distribute materials and is used as an intelligent factory in a furniture factory at present. When the RGV trolley is in place at the side of the automatic horizontal feeding table, the RGV trolley can be fed back to be in place through in-place detection information, and the information can be accessed into a human-computer interaction control unit. According to the invention, the intelligent butt joint of the computer saw and the RGV trolley is realized by controlling the automatic horizontal feeding table and the automatic lifting table.

The design of the invention is characterized in that the whole control method is fully automatic, manual participation is not needed, and the full-automatic scheme of feeding and returning materials of the computer saw in an intelligent factory is realized; the problems that in the traditional technology, feeding and returning of the computer saw depend on manual operation, labor cost is high, and meanwhile, the automation degree of the computer saw is limited are effectively solved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.