Belt splicing and waste discharging device for EVA film cutting machine and operation method of belt splicing and waste discharging device

Abstract

The invention discloses a belt connecting and waste discharging device for an EVA film cutting machine and an operation method of the belt connecting and waste discharging device, and belongs to the technical field of cutting machines. The belt connecting and waste discharging device comprises a rack, a feeding station, a working station, a supporting shaft, a material belt clamping jaw, a first driving roller, a first pressing roller, a feeding push plate and a first waste conveying device; the bottom ironing row is movably installed in the rack through a fifth air cylinder, the heating piece is installed in the rack, the heating piece and the bottom ironing row are located on the same horizontal plane, the push plate is movably installed on the heating piece through a sixth air cylinder, and the original material belt pushing assembly is located below the heating piece. A material belt of the original material roll penetrates through the original material belt pushing assembly, penetrates through the space between the heating piece and the bottom ironing row and then penetrates out of the transition roller. The second waste conveying device penetrates through the machine frame and is located below the original material belt pushing assembly. According to the design of the device, automation of tape splicing and waste discharging operation can be achieved, replacement of new and old material coils is automatically completed, the operation efficiency is improved, and manpower consumption is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of cutting machines, and in particular relates to a waste discharge device for an EVA film cutting machine and an operation method thereof. Background Art

[0002] Solar panel encapsulation is the core technology of the entire panel manufacturing industry. During the production process, a sticky thermosetting film (EVA, Ethylene Vinyl Acetate) is required and placed in the middle of the laminated glass to ensure the close adhesion between the glass surface and the battery cell, and to ensure that the core component battery cell is cushioned by a double layer of EVA material. The tempered glass and the backboard material on the back greatly enhance the impact resistance and aging resistance of the component.

[0003] Chinese Patent Publication No. CN117410381B discloses a solar EVA online cutting and laying machine and an online cutting and laying method, which are applied in the technical field of feeding devices of online cutting and laying machines. The key points of its technical solution are: a feeding mechanism, a hot-rolling mechanism, a traction and tightening mechanism, a punching mechanism, a tongue-feeding mechanism, a cutting mechanism and a laying mechanism are respectively arranged along the conveying direction of EVA; the feeding mechanism comprises a base and a feeding seat on the base which is slidably adjusted along a direction perpendicular to the EVA feeding direction, a feeding plate and a feeding drive assembly for driving the feeding plate to rotate are symmetrically rotatably connected at both ends of the feeding seat, two feeding rollers are symmetrically locked and fixed along the rotation axis on the feeding plate, and a feeding drive assembly for driving the feeding roller to actively rotate to realize feeding is fixed on the feeding seat.

[0004] However, the connection between the new and old material coils is mainly carried out manually in the prior art, and automatic splicing cannot be achieved, resulting in great manpower consumption and low efficiency. Summary of the invention

[0005] In view of the above problems in the prior art, an object of the present invention is to provide a waste discharge device for an EVA film cutting machine and an operating method thereof.

[0006] The present invention provides the following technical solutions:

[0007] A tape splicing and waste discharge device for an EVA film cutting machine comprises a frame, a loading position and a working position arranged at the bottom of the frame, a new material roll is placed on the loading position, and an original material roll is placed on the working position, the loading position and the working position are symmetrically supported by a support shaft movably installed through a cylinder seven, a plurality of material tape clamps are installed on the top of the frame through a cylinder three and a connecting rod, a driving roller one is movably installed in the frame through a motor one, a clamping roller one and a driving roller one are located on the same horizontal plane, and the clamping roller one is movably installed on the frame through a cylinder four, a loading push plate movably installed on the frame through a cylinder eight, and the loading push plate is located above the clamping roller one. The waste conveying device 1 passes through the frame and is located below the driving roller 1; the head of the material strip of the new material roll is clamped by the material strip clamp and passes between the driving roller 1 and the clamping roller 1; the bottom ironing row is movably installed in the frame through the cylinder 5, the heating plate is installed in the frame, and the heating plate and the bottom ironing row are located on the same horizontal plane, the push plate is movably installed on the heating plate through the cylinder 6, and the original material strip pushing assembly is located below the heating plate; the material strip of the original material roll passes through the original material strip pushing assembly and passes between the heating plate and the bottom ironing row, and then passes out through the transition roller; and the waste conveying device 2 passes through the frame and is located below the original material strip pushing assembly.

[0008] Specifically, the original material belt pushing assembly includes a mounting frame movably mounted on the frame through a pushing cylinder cooperating with a linear guide rail, a driving roller movably mounted on the mounting frame through a motor, one end of two mounting plates are respectively hingedly mounted on the mounting frame and the frame, a clamping roller movably mounted on the other end of the mounting plate, a hinged rod of the mounting plate passes through one end of the mounting frame and is equipped with a gear, and the gear is meshed with a rack movably mounted on the mounting frame through a cylinder for transmission.

[0009] Specifically, the original material belt pushing assembly also includes a material belt sensor mounting rod located below the second driving roller and mounted on the frame, and a material belt sensor mounted on the material belt sensor mounting rod.

[0010] Specifically, an air blowing pipe is provided below the heating sheet, and the air blowing pipe is installed on the frame, and the air blowing hole provided on the air blowing pipe faces the reception position.

[0011] Specifically, a driven gear is installed at one end of the driving roller 1 that passes through the frame, and the driven gear is meshed with the main gear on the motor 1 for transmission.

[0012] Specifically, the first pressing roller is movably mounted on the slide block, and the slide block is movably mounted in the slide slot of the frame through the fourth cylinder.

[0013] Based on the above device, the present invention also proposes an operating method of using the above-mentioned EVA film cutting machine splicing waste discharge device, comprising the following steps:

[0014] S1, the AGV delivery vehicle delivers the new material roll to the loading position of the device, and sends an interactive signal to the device after positioning is completed;

[0015] S2, the two support shafts of the loading position extend out and are inserted into the core of the new material roll;

[0016] S3, the material belt clamping claw clamps the material belt head of the new material roll, and pulls the material belt head of the new material roll fixed on the AGV to above the clamping roller 1;

[0017] S4, the clamping roller 1 presses the material belt onto the driving roller 1, the new material roll is prepared, and the AGV delivery trolley exits the unwinding device;

[0018] S5, when the original material roll at the working position of the unwinding device is used up, the tail of the material belt will reach the material belt sensor, the material belt sensor transmits a signal, and the unwinding traction stops;

[0019] S6, the second pressing roller and the second driving roller drive the material belt to the belt connection position;

[0020] S7, the second pressing roller swings to press the head of the original material strip onto the second driving roller;

[0021] S8, the bottom ironing row extends to press the two layers of material strips onto the heating plate, the new and old material strips are connected at the reception position, and the heating plate is powered on to iron the two layers of material strips together;

[0022] S9, driving roller 1 and driving roller 2 rotate a certain angle to pull the two waste belt heads off from the belt joint;

[0023] S10, the air blowing pipe under the bottom ironing row blows air to quickly cool and shape the material strip;

[0024] S11, the push plate extends to push the connected strip away from the heating plate;

[0025] S12, after the belt is connected, the second pressing roller is lifted, and the first pressing roller and the second driving roller return to their initial positions;

[0026] S13, the feeding push plate pushes the broken new material strip head onto the waste material conveying device 1;

[0027] S14, the driving roller 1 and the driving roller 2 rotate to send the waste head to the waste conveying device 1 and the waste conveying device 2 respectively;

[0028] S15, the waste conveying device 1 and the waste conveying device 2 convey the waste belt head to the recovery box outside the equipment, completing the belt connection and waste discharge process.

[0029] The beneficial effects of the present invention are:

[0030] The design of this device can realize the automation of the tape splicing and waste discharge operation, automatically complete the replacement of the old and new material rolls, improve the operation efficiency and reduce the consumption of manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0032] Figure 1 is a three-dimensional diagram of the present invention;

[0033] Figure 2 It is a structural schematic diagram of the upper material position and the working position in the present invention;

[0034] Figure 3 It is a schematic diagram of the internal structure of the present invention;

[0035] Figure 4 It is a schematic diagram of the internal structure of the present invention from a side view;

[0036] Figure 5 It is a structural schematic diagram of the lifting platform and the mobile platform in the present invention;

[0037] The markings in the figure are: 1. loading position; 2. supporting shaft; 3. material belt clamping claw; 4. belt connection position; 5. driving roller 1; 6. pressing roller 1; 7. material belt sensor mounting rod; 8. working position; 9. driving roller 2; 10. pressing roller 2; 11. pushing cylinder; 12. original material belt pushing assembly; 13. mounting seat; 14. bottom ironing row; 15. heating plate; 16. gear; 17. rack; 18. cylinder 1; 19. blowing pipe; 20. push plate; 21. loading push plate; 22. waste conveying device 2; 23. waste conveying device 1; 24. recycling device; 25. paper core; 26. linear guide rail 1; 27. cylinder 2; 28. connecting rod; 29. ​​telescopic cylinder; 30. clamping claw cylinder; 31. clamping block; 32. lifting platform; 33. moving platform; 34. transition roller. DETAILED DESCRIPTION

[0038] Embodiment 1

[0039] like Figure 1 to Figure 5As shown, the present invention provides a waste discharging device for an EVA film cutting machine, comprising a frame, a loading position 1 and a working position 8 arranged at the bottom of the frame, the loading position 1 and the working position 8 are symmetrically and movably mounted with a support shaft 2 through a cylinder seven, a new material roll is placed on the loading position 1, and an original material roll is placed on the working position 8, a plurality of material belt clamps 3 are mounted on the top of the frame through a cylinder three cooperating with a connecting rod, a driving roller 5 is movably mounted in the frame, and a driven gear is mounted on one end of the driving roller 5 passing through the frame, the driven gear is meshed with a main gear on a motor one for transmission, a clamping roller 6 and the driving roller 5 are located on the same horizontal plane, and the clamping roller 6 is movably mounted on a slider, the slider is movably mounted in a slide groove of the frame through a cylinder four, and a loading push plate 2 is movably mounted on the frame through a cylinder eight 1, the loading push plate 21 is located above the clamping roller 6, the waste conveying device 23 passes through the frame and is located below the driving roller 5; the material head of the new material roll is clamped by the material clamp 3 and passes between the driving roller 5 and the clamping roller 6; the bottom ironing row 14 is movably installed in the frame through the cylinder five, the heating plate 15 is installed in the frame, and the heating plate 15 and the bottom ironing row 14 are located on the same horizontal plane, the push plate 20 is movably installed on the heating plate 15 through the cylinder six, and the original material belt pushing component 12 is located below the heating plate 15; the material belt of the original material roll passes through the original material belt pushing component 12 and passes between the heating plate 15 and the bottom ironing row 14, and then passes through the transition roller 34; and the waste conveying device 22 passes through the frame and is located below the original material belt pushing component 12.

[0040] First, the AGV delivery trolley delivers the new material roll to the loading position 1 of the device. After positioning is completed, an interactive signal is sent to the device, and cylinder seven is turned on. The two support shafts 2 of the loading position 1 extend and are inserted into the core of the new material roll. At this time, cylinder three is turned on, and cylinder three drives the material belt clamp 3 to extend, and then the material belt clamp 3 is turned on, so that the material belt clamp 3 clamps the material belt head of the new material roll, and then cylinder three drives the material belt clamp 3 to retract, and pulls the material belt head of the new material roll fixed on the AGV to above the clamping roller 6, and cylinder four is turned on. Cylinder four drives the clamping roller 6 to move forward, so that the clamping roller 6 presses the material belt onto the driving roller 5. The preparation of the new material roll is completed, and the AGV delivery trolley exits the unwinding device.

[0041] The original material belt pushing assembly 12 includes a mounting frame movably mounted on the frame by a pushing cylinder 11 cooperating with a linear guide rail 2, wherein the linear guide rail 2 is mounted on the frame through a mounting seat 13, a driving roller 2 9 movably mounted on the mounting frame through a motor 2, one end of the two mounting plates are respectively hingedly mounted on the mounting frame and the frame, a clamping roller 2 10 is movably mounted on the other end of the mounting plate, a hinged rod of the mounting plate passes through one end of the mounting frame and is equipped with a gear 16, the gear 16 is meshed with a rack 17 movably mounted on the mounting frame through a cylinder 18 for transmission; it also includes a material belt sensor mounting rod 7 located below the driving roller 2 9 and mounted on the frame, and a material belt sensor mounted on the material belt sensor mounting rod 7.

[0042] First of all, it should be explained that when the original material roll is in operation, the material belt passes between the pressure roller 2 10 and the driving roller 2 9, and then bypasses the transition roller 34 to reach the subsequent process. When the original material roll at the working position 8 of the unwinding device is used up, the tail of the material belt will reach the material belt sensor, and the material belt sensor transmits a signal, the unwinding traction stops, and the pushing cylinder 11 is turned on. The pressure roller 2 10 and the driving roller 2 9 on the mounting frame extend together, driving the material belt to the belt connecting position 4, and then the cylinder 18 is turned on. The cylinder 18 drives the rack 17 forward, so that the gear 16 drives the articulated rod to rotate, and then drives the pressure roller 2 10 to swing, pressing the material belt head of the original material belt onto the driving roller 2 9.

[0043] When the pressure roller 1 6 presses the new material strip onto the driving roller 1 5, and the pressure roller 2 10 presses the material head of the original material strip onto the driving roller 2 9, the cylinder 5 is turned on, and the cylinder 5 drives the bottom ironing row 14 to extend, thereby pressing the two layers of material strips onto the heating plate 15, so that the new and old material strips are connected at the reception position 4. At this time, the heating plate 15 is energized to heat the two layers of material strips together, and the motor 1 and the motor 2 are turned on at the same time, so that the driving roller 1 5 and the driving roller 2 9 rotate a certain angle, and the two waste material strip heads are pulled off from the joint.

[0044] Furthermore, in order to help the joint of the material strip to cool and shape quickly, an air blowing pipe 19 is provided below the heating plate 15 , and the air blowing pipe 19 is installed on the frame, and the air blowing holes provided on the air blowing pipe 19 face the reception position 4 .

[0045] After the air blowing pipe 19 below the bottom ironing row 14 blows air to quickly cool and shape the material strip, cylinder six is ​​turned on, and cylinder six drives the push plate 20 to extend, thereby pushing the connected material strip away from the heating plate 15 to prevent the material strip from sticking to the heating plate 15; after the strip is connected, cylinder one 18 is turned on, and cylinder one 18 drives the clamping roller two 10 to lift up.

[0046] The pushing cylinder 11 and the cylinder 4 are started synchronously, so that the clamping roller 1 6 and the driving roller 2 9 return to the initial position, and the cylinder 8 is started at the same time, thereby driving the loading push plate 21 to push the broken new material belt head onto the waste conveying device 1 23, and the motor 1, the motor 2 and the material belt clamp 3 are started at the same time, thereby driving the driving roller 1 5 and the driving roller 2 9 to rotate, and the waste head is sent to the waste conveying device 1 23 and the waste conveying device 2 22 respectively; the waste conveying device transports the waste belt head to the recycling box outside the equipment.

[0047] Cylinder seven, cylinder three, material belt clamp 3, motor one, cylinder four, cylinder eight, waste material conveying device one 23, bottom ironing row 14, cylinder five, heating plate 15, cylinder six, waste material conveying device two 22, pushing cylinder 11, motor two, cylinder one 18 and material belt sensor are communicatively coupled to the control panel.

[0048] The control panel contains a PLC controller, which can program the numerical control system. The PLC is used as the central control system, and the touch screen is used to realize the program input and operation control of the whole machine, so as to realize the full automation of the transportation process. The control system can be used as a system that connects various actuators to move according to the logical trajectory, and the actuators can be controlled by programming to run according to the required operation steps.

[0049] Based on the above device, the first embodiment of the present invention also proposes an operation method of using the above-mentioned EVA film cutting machine splicing waste discharge device, including the following steps:

[0050] Step 1: The AGV delivery vehicle delivers the new material roll to the loading position 1 of the device, and sends an interactive signal to the device after positioning is completed;

[0051] Step 2: The two support shafts 2 of the loading position 1 extend out and are inserted into the core of the new material roll;

[0052] Step 3: The material strip clamp 3 clamps the material strip head of the new material roll and pulls the material strip head of the new material roll fixed on the AGV to above the clamping roller 6;

[0053] Step 4: The pressing roller 6 presses the material belt onto the driving roller 5, the preparation of the new material roll is completed, and the AGV delivery trolley exits the unwinding device;

[0054] Step 5: When the original material roll in the unwinding device working position 8 is used up, the tail of the material tape reaches the material tape sensor, the material tape sensor transmits a signal, and the unwinding traction stops;

[0055] Step 6: The pressure roller 10 and the driving roller 9 drive the material belt to the belt connection position 4;

[0056] Step 7, the pressure roller 2 10 swings to press the head of the original material strip onto the driving roller 2 9;

[0057] Step 8: The bottom ironing row 14 extends to press the two layers of material strips onto the heating plate 15, and the new and old material strips are connected at the reception position 4. The heating plate 15 is powered on to iron the two layers of material strips together;

[0058] Step nine, the driving roller 1 5 and the driving roller 2 9 are rotated at a certain angle to pull the two waste belt heads off from the belt joint;

[0059] Step 10: The blowing pipe 19 below the bottom ironing row 14 blows air to quickly cool and shape the material strip;

[0060] Step 11, the push plate 20 extends to push the connected material strip away from the heating plate 15;

[0061] Step 12: After the belt connection is completed, the pinch roller 10 is lifted, and the pinch roller 6 and the drive roller 9 return to their initial positions;

[0062] Step 13, the feeding push plate 21 pushes the broken new material strip head onto the waste material conveying device 1 23;

[0063] Step 14, the driving roller 1 5 and the driving roller 2 9 rotate to send the waste head to the waste conveying device 1 23 and the waste conveying device 2 22 respectively;

[0064] Step 15: waste conveying device 1 23 and waste conveying device 2 22 convey the waste belt heads to the recycling box outside the equipment, completing the belt connection and waste discharge process.

[0065] The design of this device can realize the automation of the tape splicing and waste discharge operation, automatically complete the replacement of the old and new material rolls, improve the operation efficiency and reduce the consumption of manpower.

[0066] Embodiment 2

[0067] like Figure 4 As shown, the cutting machine disclosed in the second embodiment also includes a paper core transferring device.

[0068] The paper core transfer device comprises a telescopic cylinder 29 mounted on the inner wall of the frame via a lateral moving assembly, the lateral moving assembly being used to move the paper core 25 from the working position 8 to the recovery device 24 , and a clamping cylinder 30 is mounted on the telescopic cylinder 29 .

[0069] Specifically, two linear guide rails 26 are symmetrically installed on the inner wall of the frame. The linear guide rail 26 is used to transfer the paper core 25 to the recovery device 24, and the sliders on the two linear guide rails 26 are connected by a connecting rod 28. At the same time, the connecting rod 28 is movably installed on the inner wall of the frame through a cylinder 27, and a telescopic cylinder 29 is installed on the connecting rod 28.

[0070] Furthermore, a clamping block 31 is installed on the clamping claw cylinder 30 , and a side of the clamping block 31 close to the paper core 25 is set to be V-shaped, so that the clamping block 31 can clamp the paper core 25 easily.

[0071] The gripper cylinder 30, cylinder two 27 and telescopic cylinder 29 are communicatively coupled to the control panel.

[0072] The operating method of the second embodiment of the present invention is:

[0073] In the initial state, the clamping cylinder 30 is located at the recovery position 24. Then, when the EVA film on the working position 8 is used up and only the paper core 25 is left, the clamping cylinder 30 reaches the top of the paper core 25 under the push of the cylinder 2 27, opens the clamping cylinder 30, opens the telescopic cylinder 29, and the telescopic cylinder 29 drives the clamping cylinder 30 to move to the paper core 25. Then the clamping cylinder 30 clamps the paper core 25. At this time, the clamping assembly releases the paper core 25, and then moves the paper core 25 to the recovery position 24. At this time, the transfer operation of the paper core 25 is completed. Then the EVA film roll at the loading position is transferred to the working position 8, and the above operation is repeated after the EVA film roll is used up.

[0074] The device realizes the fully automated operation of changing the core inside the cutting machine, and the staff only needs to recycle the paper core 25 at the recycling position, which saves time and labor.

[0075] Embodiment 3

[0076] like Figure 5 As shown, the cutting machine disclosed in the third embodiment also includes an automatic roll changing device.

[0077] The automatic roll changing device includes a loading position 1 and a working position 8 connected by a mobile platform 33, a lifting platform 32 is installed on the mobile platform 33, and linear guide rails 3 are symmetrically provided on the loading position 1 and the working position 8. The motion trajectory of the linear guide rails 3 is perpendicular to the motion trajectory of the mobile platform 33. The fixed seat is installed on the linear guide rails 3, and the fixed seat is movably installed on the frame through the cylinder 7, and the support shaft 2 is movably installed on the fixed seat.

[0078] Furthermore, a sensor is provided on the lifting platform 32 .

[0079] The moving platform 33, the lifting platform 32 and the cylinder 7 are communicatively coupled to the control panel.

[0080] Based on the above device, the third embodiment of the present invention further proposes an operation method using the above device, including the following steps:

[0081] Step 1: After the paper core is transferred, the moving platform 33 is turned on, and the moving platform 33 drives the lifting platform 32 to move to the loading position 1;

[0082] Step 2: Open the lifting platform 32, and the lifting platform 32 rises;

[0083] Step 3, start cylinder 7, which drives the support shaft 2 to separate from the core of the new material roll, so that the new material roll falls onto the lifting platform 32;

[0084] Step 4, opening the lifting platform 32, and the lifting platform 32 descends;

[0085] Step 5, start the mobile platform 33, and the mobile platform 33 drives the lifting platform 32 to move to the working position 8;

[0086] Step 6, opening the lifting platform 32, and the lifting platform 32 rises;

[0087] Step 7, start cylinder 7, cylinder 7 of working position 8 drives support shaft 2 to insert the core of the new material roll, thereby completing the automatic roll changing operation;

[0088] Step eight, after the material roll is used up again, repeat the operation steps of Embodiment 1, Embodiment 2 and Embodiment 3.

[0089] The cutting machine is also equipped with traction rollers, tension devices and deviation correction devices, so that the EVA film can be accurately and stably transported from the unwinding device to the subsequent cutting and laying stations.

[0090] The device realizes the full automation of the splicing, waste removal, core removal and roll changing operations of the new and old material rolls, completes the purpose of automatic replacement of the new and old material rolls, saves manpower and improves work efficiency.

[0091] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A waste discharging device for a splicing tape for an EVA film cutting machine, comprising a frame, a loading position and a working position arranged at the bottom of the frame, a new material roll is placed on the loading position, and an original material roll is placed on the working position. It is characterized in that It also includes a supporting shaft symmetrically installed at the loading position and the working position through cylinder seven, a plurality of material belt clamps installed on the top of the frame through cylinder three and connecting rods, a driving roller one is movably installed in the frame through a motor one, a clamping roller one and a driving roller one are located on the same horizontal plane, and the clamping roller one is movably installed on the frame through cylinder four, a loading push plate movably installed on the frame through cylinder eight, the loading push plate is located above the clamping roller one, and a waste conveying device one runs through the frame and is located below the driving roller one; the material belt of the new material roll The head is clamped by the material belt clamp and passes between the driving roller 1 and the clamping roller 1; the bottom ironing row is movably installed in the frame through the cylinder 5, the heating plate is installed in the frame, and the heating plate and the bottom ironing row are located on the same horizontal plane, the pushing plate is movably installed on the heating plate through the cylinder 6, and the original material belt pushing component is located below the heating plate; the material belt of the original material roll passes through the original material belt pushing component and passes between the heating plate and the bottom ironing row, and then passes through the transition roller; and the waste conveying device 2 runs through the frame and is located below the original material belt pushing component.

2. The waste discharging device for the EVA film cutting machine according to claim 1, characterized in that: The original material belt pushing assembly includes a mounting frame movably mounted on the frame through a pushing cylinder and a linear guide rail, a driving roller movably mounted on the mounting frame through a motor, one end of two mounting plates are respectively hingedly mounted on the mounting frame and the frame, a clamping roller movably mounted on the other end of the mounting plate, a hinged rod of the mounting plate passes through one end of the mounting frame and is equipped with a gear, and the gear is meshed with a rack movably mounted on the mounting frame through a cylinder for transmission.

3. The waste discharging device for the EVA film cutting machine according to claim 2, characterized in that: The original material belt pushing assembly also includes a material belt sensor mounting rod located below the second driving roller and mounted on the frame, and a material belt sensor mounted on the material belt sensor mounting rod.

4. The waste discharging device for the EVA film cutting machine according to claim 1, characterized in that: An air blowing pipe is arranged below the heating sheet, and the air blowing pipe is installed on the frame, and an air blowing hole arranged on the air blowing pipe faces the reception position.

5. The waste discharging device for the EVA film cutting machine according to claim 1, characterized in that: A driven gear is installed on one end of the driving roller 1 passing through the frame, and the driven gear is meshed with the main gear on the motor 1 for transmission.

6. The waste discharging device for the EVA film cutting machine according to claim 1, characterized in that: A clamping roller 1 is movably mounted on a slide block, and the slide block is movably mounted in a slide slot of a frame through a cylinder 4.

7. An operating method of using the waste discharging device for the EVA film cutting machine as claimed in claim 1, characterized in that: The following steps are involved: S1, the AGV delivery vehicle delivers the new material roll to the loading position of the device, and sends an interactive signal to the device after positioning is completed; S2, the two support shafts of the loading position extend out and are inserted into the core of the new material roll; S3, the material belt clamping claw clamps the material belt head of the new material roll, and pulls the material belt head of the new material roll fixed on the AGV to above the clamping roller 1; S4, the clamping roller 1 presses the material belt onto the driving roller 1, the new material roll is prepared, and the AGV delivery trolley exits the unwinding device; S5, when the original material roll at the working position of the unwinding device is used up, the tail of the material belt will reach the material belt sensor, the material belt sensor transmits a signal, and the unwinding traction stops; S6, the second pressing roller and the second driving roller drive the material belt to the belt connection position; S7, the second pressing roller swings to press the head of the original material strip onto the second driving roller; S8, the bottom ironing row extends to press the two layers of material strips onto the heating plate, the new and old material strips are connected at the reception position, and the heating plate is powered on to iron the two layers of material strips together; S9, the driving roller 1 and the driving roller 2 rotate to pull the two waste belt heads off from the belt joint; S10, the air blowing pipe under the bottom ironing row blows air to quickly cool and shape the material strip; S11, the push plate extends to push the connected strip away from the heating plate; S12, after the belt is connected, the second pressing roller is lifted, and the first pressing roller and the second driving roller return to their initial positions; S13, the feeding push plate pushes the broken new material strip head onto the waste material conveying device 1; S14, the driving roller 1 and the driving roller 2 rotate to send the waste head to the waste conveying device 1 and the waste conveying device 2 respectively; S15, the waste conveying device 1 and the waste conveying device 2 convey the waste belt head to the recovery box outside the equipment, completing the belt connection and waste discharge process.

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