A roll change conveyor cart

Abstract

The utility model relates to the technical field of coiled material unwinding equipment, more particularly to a coiled material replacement conveying vehicle, including the vehicle body, install on the first lifting device and second lifting device of vehicle body and install the tray for placing coiled material of first lifting device's output and install the auxiliary conveying device of second lifting device's output, the auxiliary conveying device includes the conveying roller group for conveying foil and the drive assembly for driving conveying roller group to convey foil and separate foil restriction. When putting new roll into coiled material replacement conveying vehicle, through placing foil on auxiliary conveying device, in the subsequent roll changing process, only need to sense old roll to use up and start coiled material replacement conveying vehicle, even if process has no human intervention, can realize automatic roll changing and conveying new roll foil to the transmission roller of unwinding machine, let coiled material unwinding production continuity be better, be favorable to saving manpower and improving production efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of roll unwinding equipment, and more specifically, to a roll changing and conveying vehicle. Background Technology

[0002] Existing foil rewinding devices, in order to accelerate rewinding speed and achieve efficient continuous production, use a conveyor to transport the coil to an unwinding machine, and then fix the coil on the unwinding machine. For example, Chinese patent CN219652317U discloses a foil rewinding device, including a moving mechanism and a fixing mechanism. The moving mechanism includes a moving trolley and support frames fixed on both sides of the trolley. A main roller is rotatably mounted between the two support frames, with its two ends positioned on the outside of the two support frames. The fixing mechanism includes a frame and a drive mechanism located on one side of the frame. The frame encloses a space for the moving trolley to enter. The drive mechanism includes a mounting frame, a push cylinder, and a motor. The mounting frame is fixed to the frame, and the motor is slidably mounted on the mounting frame, with a bushing installed at the end of its rotating shaft. The push cylinder pushes the motor to slide back and forth relative to the mounting frame, so that the bushing passes through the frame and enters the space to correspondingly engage with one end of the main roller. This invention allows for convenient unwinding and winding, eliminating the need for on-site personnel handling, effectively saving operation time, improving production efficiency, and reducing the operational risks associated with personnel handling the unwinding and winding.

[0003] However, the above technical solutions still have shortcomings. Because the new foil needs to be spliced ​​with the old foil after the etched foil is switched to a new roll, a section of foil needs to be pulled out from the new roll and connected to the unwinding machine's conveyor roller in order to transport and splice the new roll. This means that manual intervention is still required in the process from the completion of the roll change to the unwinding. Utility Model Content

[0004] The purpose of this invention is to overcome the problem that manual intervention is required after automatic roll changing in the prior art, and to provide a roll material changing and conveying vehicle that can automatically transport the roll material to the unwinding machine and assist in unwinding the roll material.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A roll material changing conveyor is provided, including a vehicle body, a first lifting device and a second lifting device mounted on the vehicle body, a tray for placing roll material mounted on the output end of the first lifting device, and an auxiliary conveying device mounted on the output end of the second lifting device; the auxiliary conveying device includes a conveying roller group for conveying foil and a drive assembly for driving the conveying roller group to convey foil and to release foil from its restraint.

[0006] In the above technical solution, the new roll material is placed on a pallet, and a section of foil is pre-pulled out and placed onto the conveyor roller assembly to form a reserved foil. After the old roll material is unwound, the vehicle travels along a set path towards the unwinding machine and reaches a designated position. The new roll material is vertically aligned with the axis of the unwinding machine's tension shaft. The first lifting device is activated to lift the new roll material to the tension shaft of the unwinding machine, and the unwinding machine secures the new roll material via the tension shaft. Subsequently, the second lifting device is activated to lift the auxiliary conveying device to the vicinity of the unwinding machine's drive roller. The drive assembly drives the conveyor roller assembly to convey the reserved foil to the unwinding machine's drive roller. The drive assembly drives the conveyor roller assembly to disengage from the reserved foil, ensuring that the conveyor roller assembly and the reserved foil do not restrict or interfere with each other. Finally, the first and second lifting devices are reset, and the vehicle leaves the unwinding machine.

[0007] Furthermore, the auxiliary conveying device includes a first support, on which the conveying roller assembly is mounted; the conveying roller assembly includes a pressure roller and a drive roller rotatably connected to the first support, the pressure roller being located above the drive roller and used to press the foil onto the drive roller; the driving assembly includes a first driving member mounted on the first support and driving the drive roller to rotate, and a second driving member mounted on the first support; the output end of the second driving member is connected to the pressure roller, and the second driving member drives the pressure roller to move away from the area covered by the foil. The first driving member drives the drive roller to rotate, and the pressure roller presses the foil onto the drive roller, so the rotation of the drive roller can drive the foil to be conveyed. After the foil is conveyed, the second driving member drives the pressure roller to move away from the area covered by the foil. The area covered by the foil refers to the vertical projection area of ​​the portion of the foil on the drive roller. The second driving member can either drive the pressure roller to swing outward away from this projection area, or it can drive the pressure roller to move along the axis of the drive roller and cause the pressure roller to move away from the projection area.

[0008] Furthermore, the second driving component is a motor or a servo motor. The pressure roller is connected to the second driving component via a connecting rod, and the pressure roller is rotatably connected to the connecting rod. The axis of the output shaft of the second driving component is perpendicular to the axis of the drive roller. The rotational movement of the motor or servo motor causes the connecting rod to swing outward, causing the pressure roller to disengage from the foil and move out of the projection area. When the pressure roller needs to press the foil tightly, the rotation amplitude of the motor or servo motor can also adjust the gap between the pressure roller and the drive roller, which is beneficial for adjusting the distance between the pressure roller and the drive roller according to the thickness of the foil to adjust the magnitude of the clamping force.

[0009] Furthermore, two pressure rollers are provided, located at opposite ends of the drive roller, and the number of the second drive member and the connecting rod corresponds to the number of pressure rollers. The two pressure rollers can apply pressure to both sides of the foil, ensuring balanced force distribution and better foil transport.

[0010] Furthermore, a first sensor is installed on the vehicle body to detect when the vehicle body reaches a designated position.

[0011] Furthermore, a second bracket is installed on the vehicle body, and a lifting device for lifting the old roll core is provided on the inner top surface of the second bracket. The lifting device includes a third lifting device and a gripper installed at the output end of the third lifting device. After the old roll is used up, the vehicle body moves to the unwinding machine. First, the third lifting device is activated to lower, so that the gripper aligns with the old roll core. Then, the gripper is activated to clamp the old roll core, the tensioning shaft of the unwinding machine releases the old roll core, and the third lifting device resets and moves the old roll core. Then, the above-mentioned process of replacing the old roll with a new one is started, so that the roll replacement conveyor can complete the actions of picking up the old roll and replacing it with a new roll in sequence.

[0012] Furthermore, the lifting device and the first lifting device are arranged sequentially along the vehicle's travel direction, with the lifting device closer to the front end of the vehicle's travel direction. To avoid interference between the old and new rolls, the lifting device is positioned closer to the front end of the travel direction when the vehicle reaches the unwinding machine. Therefore, the lifting device will be above and aligned with the old roll. After the lifting device removes the old roll, the vehicle continues to travel until the first sensor detects the designated position of the vehicle. At this point, the pallet is below the tensioning shaft, and the new roll is vertically aligned with the axis of the tensioning shaft of the unwinding machine, initiating the roll changing process as described above. The arrangement of the lifting device and the first lifting device according to the vehicle's travel direction and the order of arrival at the unwinding machine allows the roll changing conveyor to remove the old roll before changing to the new roll.

[0013] Furthermore, the vehicle body also includes a second sensor for sensing that the vehicle body has reached another designated location.

[0014] Furthermore, both the first lifting device and the second lifting device are electric telescopic poles.

[0015] Compared with the prior art, the beneficial effects of this utility model are: when the new roll is put into the roll changing conveyor, by placing the foil on the auxiliary conveying device, in the subsequent roll changing process, as long as the old roll is used up and the roll changing conveyor is started, even without human intervention, automatic roll changing and conveying of the foil of the new roll to the drive roller of the unwinding machine can be achieved, making the production continuity of roll unwinding better, which is conducive to saving manpower and improving production efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a roll material changing and conveying vehicle from the main viewpoint, which is an embodiment 1 of this utility model. Figure 2This is a schematic diagram of the structure of a roll material changing conveyor vehicle from the left side view, which is an embodiment 1 of this utility model. Figure 3 for Figure 2 A magnified view of a portion of position A; Figure 4 This is a schematic diagram of the structure of a roll material changing and conveying vehicle from the main viewpoint, which is an embodiment 2 of this utility model. Figure 5 This is a schematic diagram of the structure of a roll material changing conveyor from the left side of Embodiment 2 of this utility model; Figure 6 This is a schematic diagram of the winding machine in Embodiment 3 of this utility model.

[0017] In the attached diagram: 100 - vehicle body; 110 - first sensor; 120 - second sensor; 200 - first lifting device; 210 - pallet; 300 - second lifting device; 400 - auxiliary conveying device; 410 - conveying roller group; 411 - pressure roller; 412 - drive roller; 413 - connecting rod; 420 - drive assembly; 421 - first drive component; 422 - second drive component; 430 - first bracket; 500 - second bracket; 600 - lifting device; 610 - third lifting device; 620 - gripper; 700 - first frame; 710 - first tensioning shaft; 720 - first limiting block; 800 - second frame; 810 - second tensioning shaft; 820 - second limiting block; 900 - drive device. Detailed Implementation

[0018] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0019] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0020] Example 1 Embodiment 1 of a roll material changing conveyor, such as Figure 1-3 As shown, the system includes a vehicle body 100, a first lifting device 200 and a second lifting device 300 mounted on the vehicle body 100, a tray 210 for placing rolls of material mounted on the output end of the first lifting device 200, and an auxiliary conveying device 400 mounted on the output end of the second lifting device 300. The auxiliary conveying device 400 includes a conveying roller assembly 410 for conveying foil sheets and a drive assembly 420 for driving the conveying roller assembly 410 to convey foil sheets and to release foil sheets from their restraints. The vehicle body 100 can be an AGV (Automated Guided Vehicle) or other transport vehicle capable of automatically moving along a fixed path. In this embodiment, the first lifting device 200 and the second lifting device 300 are arranged along the travel direction of the vehicle body 100, with the second lifting device 300 closer to the front end of the vehicle body 100 in the travel direction.

[0021] Specifically, the auxiliary conveying device 400 includes a first support 430, and a conveying roller assembly 410 is mounted on the first support 430. The conveying roller assembly 410 includes a pressure roller 411 and a drive roller 412 rotatably connected to the first support 430. The pressure roller 411 is located above the drive roller 412 and is used to press the foil onto the drive roller 412. The drive assembly 420 includes a first drive member 421 mounted on the first support 430 and driving the drive roller 412 to rotate, and a second drive member 422 mounted on the first support 430. The output end of the second drive member 422 is connected to the pressure roller 411, and the second drive member 422 drives the pressure roller 411 out of the area covered by the foil.

[0022] In this embodiment, the second driving component 422 is a motor or servo motor. The pressure roller 411 is connected to the second driving component 422 via a connecting rod 413, and the pressure roller 411 and the connecting rod 413 are rotatably connected. The axis of the output shaft of the second driving component 422 is perpendicular to the axis of the drive roller 412. Two pressure rollers 411 are provided and are located at both ends of the drive roller 412. The number of the second driving component 422 and the connecting rod 413 corresponds to the number of pressure rollers 411. In this embodiment, a first sensor 110 for sensing that the vehicle body 100 has reached a designated position is installed on the vehicle body 100. The first sensor 110 can be a limit switch, a proximity switch, or an infrared sensor, etc.

[0023] Furthermore, both the first lifting device 200 and the second lifting device 300 are electrically operated telescopic masts. In other embodiments, the first lifting device 200 and the second lifting device 300 may also be hydraulic cylinders or pneumatic cylinders, but electrically operated telescopic masts allow for easier adjustment of the lifting distance and, being battery-powered, eliminate the limitations of wiring. Both the first drive unit 421 and the second drive unit 422 are motors.

[0024] The working principle of the roll material replacement conveyor in this embodiment is as follows: The new roll material is placed on the pallet, and a section of foil is pulled out and placed onto the conveyor roller group 410 in advance to form a reserved foil. After the old roll material is unwound, the vehicle body 100 travels along the set path towards the unwinding machine until the first sensor 110 senses that the vehicle body 100 has reached the designated position. At this position, the new roll material is vertically aligned with the axis of the tensioning shaft of the unwinding machine. The first lifting device 200 is activated to lift the new roll material to the tensioning shaft of the unwinding machine, and the unwinding machine fixes the new roll material through the tensioning shaft. Subsequently, the second lifting device 300 is activated to lift the auxiliary conveying device 400 to the vicinity of the unwinding machine's drive roller. The first driving member 421 drives the active roller 412 to rotate, while the pressure roller 411 presses the foil onto the active roller 412. Therefore, when the active roller 412 rotates, it can drive the foil to be conveyed. The pressure roller 411 has two rollers that can apply pressure to both sides of the foil, so that the foil is subjected to balanced force and thus conveys the foil better.

[0025] After the foil is conveyed, the rotation of the motor or servo motor causes the connecting rod 413 to swing outward, causing the pressure roller 411 to move out of the area covered by the foil. The area covered by the foil refers to the vertical projection area of ​​the foil on the drive roller 412. The second drive member 422 can drive the pressure roller 411 to swing outward away from this projection area. In this embodiment, as shown in the figure, the axis of the drive roller 412 is along the X-axis, and the second drive member 422 is a motor with its output shaft along the Y-axis. That is, the second drive member 422 drives the connecting rod 413 and the pressure roller 411 to rotate upward, thereby moving them out of the projection area. When the pressure roller 411 needs to press the foil, the rotation amplitude of the motor or servo motor can also adjust the gap between the pressure roller 411 and the drive roller 412, which is beneficial for adjusting the distance between the pressure roller 411 and the drive roller 412 according to the thickness of the foil to adjust the magnitude of the pressing force.

[0026] After the roll change and auxiliary unwinding are completed, the first lifting device 200 and the second lifting device 300 reset, and then the second drive unit 422 drives the connecting rod 413 and the pressure roller 411 to reset, and the car body 100 leaves the unwinding machine. Alternatively, the second drive unit 422 can also reset the connecting rod 413 and the pressure roller 411 after the new roll material is placed and the reserved foil is placed on the drive roller 412.

[0027] The beneficial effects of this embodiment are as follows: When a new roll is placed into the roll changing conveyor, by placing the foil on the auxiliary conveying device 400, during the subsequent roll changing process, once the old roll is sensed as used up and the roll changing conveyor is started, automatic roll changing and conveying of the foil of the new roll to the drive roller of the unwinding machine can be achieved even without human intervention. This improves the continuity of roll unwinding production, which is beneficial for increasing production efficiency and saving manpower. In unmanned or minimally staffed workshops, workers only need to prepare the materials on the roll changing conveyor when starting the machine, and subsequent roll changing can be achieved without the need for personnel to operate.

[0028] Example 2 A second embodiment of a roll material changing conveyor is similar to embodiment 1, except that, as shown in the following... Figure 4-5 As shown, a second bracket 500 is mounted on the vehicle body 100, and a lifting device 600 for lifting old coil cores is provided on the inner top surface of the second bracket 500. The lifting device 600 includes a third lifting device 610 and a gripper 620 installed at the output end of the third lifting device 610. In this embodiment, the third lifting device 610 is an electric telescopic rod, and the gripper 620 is an electric gripper 620.

[0029] The lifting device 600 and the first lifting device 200 are arranged sequentially along the travel direction of the vehicle body 100, with the lifting device 600 being closer to the front end of the vehicle body 100 in the travel direction.

[0030] The vehicle body 100 also includes a second sensor 120 for sensing that the vehicle body 100 has reached another designated position. The second sensor 120 may be a limit switch, a proximity switch, or an infrared sensor, etc.

[0031] The working principle of this embodiment is as follows: After the old roll is used up, the vehicle body 100 moves towards the unwinding machine until the second sensor 120 detects that the vehicle body 100 has reached the designated position and stops. At this time, the third lifting device 610 is located above the tensioning shaft and the gripper 620 is aligned with the old roll core. Then, the gripper 620 is activated to clamp the old roll core. The tensioning shaft of the unwinding machine releases the old roll core, and the third lifting device 610 resets and moves the old roll core. Afterward, the vehicle body 100 continues to travel until the first sensor 110 detects that the vehicle body 100 has reached another position. Then, the process of replacing the old roll as described in Embodiment 1 is started, so that the roll replacement conveyor can complete the actions of taking the old roll and replacing the old roll in sequence. In order to avoid interference between the old roll and the new roll, the vehicle body 100 is positioned so that the lifting device 600 is closer to the front end of the travel direction when it travels to the unwinding machine. Therefore, the lifting device 600 will be above and aligned with the old roll. After the lifting device 600 takes off the old roll... The vehicle 100 continues to travel until the first sensor 110 detects the designated position of the vehicle 100. At this point, the pallet is located below the tensioning shaft, and the new roll is vertically aligned with the axis of the tensioning shaft of the unwinding machine, initiating the roll changing process as described above. The lifting device 600 and the first lifting device 200 are arranged according to the travel direction of the vehicle 100 and the order in which they arrive at the unwinding machine, so that the roll changing conveyor can remove the old roll before changing to the new roll.

[0032] The remaining features and working principles of this embodiment are consistent with those of the embodiments described above.

[0033] Example 3 A roll material changing system includes a roll material changing conveyor and an unwinder as described in Embodiment 1 or Embodiment 2, such as Figure 6 As shown, the unwinding machine includes a first frame 700 and a second frame 800, which are spaced apart and form a space in between for placing the roll material and for a changeover conveyor to travel on. Both the first frame 700 and the second frame 800 are equipped with tension shafts for fixing the roll material, namely a first tension shaft 710 and a second tension shaft 810. It also includes a drive device for changing the distance between the first tension shaft 710 and the second tension shaft 810. The drive device may be connected to the first frame 700 and / or the second frame 800, and is used to move the first frame 700 and / or the second frame 800, thereby changing the distance between the first tension shaft 710 and the second tension shaft 810, and thus causing the first tension shaft 710 and the second tension shaft 810 to detach from or insert into the roll material core. In this embodiment, the drive device 900 is a slide module, which is respectively mounted on the first bracket 430 and the second bracket 500, and drives the first tension shaft 710 and the second tension shaft 810 to move, thereby changing the distance between them. The first frame 700 and the second frame 800 are respectively equipped with a first limit block 720 and a second limit block 820 for sensing by the first sensor 110 and the second sensor 120.

[0034] The remaining features and working principles of this embodiment are consistent with any of the above embodiments.

[0035] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A roll material changing and conveying vehicle, characterized in that, The device includes a vehicle body (100), a first lifting device (200) and a second lifting device (300) mounted on the vehicle body (100), a tray (210) for placing rolls of material mounted on the output end of the first lifting device (200), and an auxiliary conveying device (400) mounted on the output end of the second lifting device (300); the auxiliary conveying device (400) includes a conveying roller group (410) for conveying foil and a drive assembly (420) for driving the conveying roller group (410) to convey foil and to release foil from its restraint.

2. The roll material changing and conveying vehicle according to claim 1, characterized in that, The auxiliary conveying device (400) includes a first support (430), and the conveying roller group (410) is mounted on the first support (430). The conveying roller group (410) includes a pressure roller (411) and an active roller (412) rotatably connected to the first support (430). The pressure roller (411) is used to press the foil onto the active roller (412). The driving assembly (420) includes a first driving member (421) mounted on the first support (430) and driving the active roller (412) to rotate, and a second driving member (422) mounted on the first support (430). The output end of the second driving member (422) is connected to the pressure roller (411), and the second driving member (422) drives the pressure roller (411) to move away from the area covered by the foil.

3. The roll material changing and conveying vehicle according to claim 2, characterized in that, The second drive unit (422) is a motor or a servo motor. The pressure roller (411) is connected to the second drive unit (422) through a connecting rod (413). The pressure roller (411) is rotatably connected to the connecting rod (413). The axis of the output shaft of the second drive unit (422) is perpendicular to the axis of the drive roller (412).

4. The roll material changing and conveying vehicle according to claim 3, characterized in that, Two pressure rollers (411) are provided and are located at both ends of the drive roller (412). The number of the second drive member (422) and the number of the connecting rod (413) are corresponding to the number of pressure rollers (411).

5. The roll material changing conveyor according to any one of claims 1-4, characterized in that, The vehicle body (100) is equipped with a first sensor (110) for sensing that the vehicle body (100) has reached a designated position.

6. The roll material changing conveyor according to claim 5, characterized in that, A second bracket (500) is installed on the vehicle body (100), and a lifting device (600) for lifting old roll cores is provided on the inner top surface of the second bracket (500).

7. The roll material changing conveyor according to claim 6, characterized in that, The lifting device (600) includes a third lifting device (610) and a gripper (620) installed at the output end of the third lifting device (610).

8. The roll material changing conveyor according to claim 6, characterized in that, The lifting device (600) and the first lifting device (200) are arranged sequentially along the driving direction of the vehicle body (100), with the lifting device (600) being closer to the front end of the vehicle body (100) in the driving direction.

9. The roll material changing and conveying vehicle according to claim 8, characterized in that, The vehicle body (100) also includes a second sensor (120) for sensing that the vehicle body (100) has reached another designated location.

10. The roll material changing conveyor according to any one of claims 1-4, characterized in that, Both the first lifting device (200) and the second lifting device (300) are electric telescopic poles.

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