A printed matter cutting line unwinding device

Abstract

This utility model relates to the technical field of unwinding equipment for printing cut lines, specifically an unwinding device for printing cut lines, including a base plate. A support frame is fixedly connected to the top outer wall of the base plate. The support frame has a right-angled trapezoidal cross-section. A second side plate is fixedly connected to the top outer wall of the support frame. A side baffle assembly is provided on one side of the support frame. An unwinding roller is rotatably connected to the top outer wall of the support frame. A buffer assembly is provided on one side of the support frame to reduce the rolling speed of the unwinding roller during disassembly. By designing the support frame as a right-angled trapezoidal structure, this utility model allows the unwinding roller to be pushed upwards along its slope during installation, eliminating the need for overall lifting, significantly reducing the installation effort of workers and improving installation efficiency. Simultaneously, during disassembly, the ramp block of the buffer assembly, combined with the elastic cushioning of the spring, effectively reduces its rolling speed, avoiding the laborious operation and safety hazards associated with manual control of the rolling.

Description

Technical Field

[0001] This utility model relates to the technical field of unwinding equipment for printing cut lines, specifically to an unwinding device for printing cut lines. Background Technology

[0002] In the field of printing processing, the unwinding device for printing cutting lines is a key piece of equipment for achieving orderly release of the cutting lines.

[0003] Currently, existing unwinding devices typically include a base plate, a support frame, and a rotating unwinding roller. Their structural design primarily focuses on the stability of the unwinding process, but lacks targeted optimization for the loading and unloading operations of the unwinding roller. For example, the support frame of traditional devices is often a vertical or horizontal structure. When installing the unwinding roller, workers need to lift it entirely to the top of the support frame, which is not only physically demanding but also poses a risk of equipment damage due to instability during lifting. This contradiction between labor consumption and installation efficiency is particularly pronounced when replacing heavy unwinding rollers. Therefore, there is an urgent need for a printing material cutting line unwinding device to solve these problems. Utility Model Content

[0004] In view of the shortcomings of the prior art mentioned in the background, the present invention provides a printing material cutting line unwinding device.

[0005] This utility model overcomes the above technical problems by adopting the following technical solution:

[0006] A printing material cutting line unwinding device includes a base plate, a support frame fixedly connected to the top outer wall of the base plate, the support frame having a right-angled trapezoidal cross-section, a second side plate fixedly connected to the top outer wall of the support frame, a side baffle assembly provided on one side of the support frame, and an unwinding roller rotatably connected to the top outer wall of the support frame.

[0007] A buffer assembly is provided on one side of the support frame to reduce the rolling speed of the unwinding roller during disassembly.

[0008] Preferably, the side baffle assembly includes a horizontal plate fixedly connected to the inner walls of both sides of the support frame, a rotating column rotatably connected to the top of the horizontal plate, a limiting plate welded to the top of the rotating column, a threaded rod welded to the top outer wall of the limiting plate, a through groove opened at the top of the support frame, a first side plate inserted into the through groove, the first side plate and the second side plate forming a rotating seat to ensure the stable rotation of the unwinding roller, a vertical rod fixedly connected to the bottom outer wall of the first side plate, and a threaded hole opened inside the first side plate, the threaded hole being threadedly connected to the threaded rod.

[0009] Preferably, a throttle handle is fixedly connected to the end of the rotating column away from the limiting plate.

[0010] Preferably, a ring frame plate is fixedly connected to the outer wall of the vertical rod, and the top outer wall of the ring frame plate abuts against the outer wall of one side of the support frame.

[0011] Preferably, a guide post is fixedly connected to the top outer wall of the horizontal plate, and a guide hole is opened inside the vertical rod, with one end of the guide post inserted into the guide hole.

[0012] Preferably, a protruding block is fixedly connected to one side of the outer wall of the support frame, and the cross-section of the protruding block is triangular.

[0013] Preferably, the buffer assembly includes mounting slots evenly distributed on one side of the outer wall of the support frame, a spring fixedly connected to one side of the inner wall of the mounting slot, and a ramp block fixedly connected to the other end of the spring, wherein the slope of the upper side of the ramp block is greater than the slope of the lower side.

[0014] By adopting the above structure, this utility model has the following advantages compared with the prior art: By designing the support frame as a right-angled trapezoidal structure, the unwinding roller can be pushed upwards along its slope when installed, without the need for overall lifting, significantly reducing the installation intensity of workers and improving installation efficiency; and the rotating handle in the side guard assembly can drive the first side plate to rise and fall through the threaded rod, realizing the formation of a rotating seat with the second side plate or releasing the fixation. With the guiding action of the guide column and guide hole and the tight fixing of the ring frame plate, it not only ensures the stable rotation of the unwinding roller, but also completes the loading and unloading through simple rotation operation, greatly reducing the operation time and manpower input; during disassembly, the ramp block of the buffer assembly, together with the elastic buffer of the spring, effectively reduces its rolling speed, avoiding the laborious operation and safety hazards of manual control of rolling, and realizing the effect of "labor-saving, high-efficiency and safe" in the loading and unloading process of the unwinding roller. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This utility model Figure 1 A magnified structural diagram of point A in the middle.

[0017] Figure 3 This is a half-sectional plan view of the support frame of this utility model.

[0018] Figure 4 This utility model Figure 3 A magnified structural diagram at point B in the middle.

[0019] In the diagram: 1. Base plate; 2. Support frame; 3. Unwinding roller; 4. Horizontal plate; 5. Side guard assembly; 501. First side plate; 502. Turn handle; 503. Limiting plate; 504. Rotating column; 505. Threaded rod; 506. Vertical rod; 507. Threaded hole; 508. Through slot; 509. Ring frame plate; 510. Guide column; 511. Guide hole; 6. Buffer assembly; 601. Inclined block; 602. Mounting slot; 603. Spring; 7. Second side plate; 8. Protruding stop block. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-4 In this embodiment of the utility model, a printing material cutting line unwinding device includes a base plate 1, a support frame 2 fixedly connected to the top outer wall of the base plate 1, the cross-section of the support frame 2 being a right trapezoid, a second side plate 7 fixedly connected to the top outer wall of the support frame 2, a side baffle assembly 5 provided on one side of the support frame 2, and an unwinding roller 3 rotatably connected to the top outer wall of the support frame 2.

[0022] A buffer assembly 6 is provided on one side of the support frame 2 to reduce the rolling speed of the unwinding roller 3 during disassembly.

[0023] Furthermore, the side baffle assembly 5 includes a horizontal plate 4 fixedly connected to the inner walls of both sides of the support frame 2. A rotating column 504 is rotatably connected to the top of the horizontal plate 4. A limiting plate 503 is welded to the top of the rotating column 504. A threaded rod 505 is welded to the top outer wall of the limiting plate 503. A through groove 508 is opened at the top of the support frame 2. A first side plate 501 is inserted into the through groove 508. The first side plate 501 and the second side plate 7 form a rotating seat to ensure the stable rotation of the unwinding roller 3. A vertical rod 506 is fixedly connected to the bottom outer wall of the first side plate 501. A threaded hole 507 is opened inside the first side plate 501. 507 is threadedly connected to the threaded rod 505. When the unwinding roller 3 is pushed obliquely upward along the support frame 2 until it contacts the outer wall of one side of the second side plate 7, the operator can hold and rotate the handle 502. The handle 502 drives the rotating column 504 to rotate, and the threaded rod 505 rotates accordingly and drives the first side plate 501 to rise through the threaded hole 507, so that the first side plate 501 and the second side plate 7 form a rotating seat. At this time, the ring frame plate 509 presses against the outer wall of the support frame 2 to ensure that the first side plate 501 moves stably and is fixed in position, so as to prevent the unwinding roller 3 from shaking when rotating, thereby ensuring the overall stability of the unwinding roller 3 after installation.

[0024] Furthermore, a throttle 502 is fixedly connected to the end of the rotating column 504 away from the limiting plate 503.

[0025] Furthermore, a ring frame plate 509 is fixedly connected to the outer wall of the vertical rod 506. The top outer wall of the ring frame plate 509 abuts against the outer wall of one side of the support frame 2. The ring frame plate 509 can play a good limiting role and prevent the first side plate 501 from rising excessively.

[0026] Furthermore, a guide post 510 is fixedly connected to the top outer wall of the horizontal plate 4, and a guide hole 511 is opened inside the vertical rod 506. One end of the guide post 510 is inserted into the guide hole 511, which ensures the stability of the vertical rod 506 during the rising and falling process.

[0027] Furthermore, a protruding block 8 is fixedly connected to one side of the outer wall of the support frame 2. The cross-section of the protruding block 8 is triangular. When the worker lifts the unwinding roller 3 onto one side of the outer wall of the support frame 2, it can provide a certain support for the unwinding roller 3 before pushing it.

[0028] Furthermore, the buffer assembly 6 includes mounting grooves 602 evenly distributed on one side of the outer wall of the support frame 2. A spring 603 is fixedly connected to one side of the inner wall of the mounting groove 602, and a ramp block 601 is fixedly connected to the other end of the spring 603. The elastic buffering effect of the spring 603 reduces the rolling speed of the unwinding roller 3, preventing the unwinding roller 3 from being damaged or causing safety hazards due to excessive rolling speed, effectively protecting the safety of the equipment and operators. The slope of the upper side of the ramp block 601 is greater than the slope of the lower side, so that the resistance when the unwinding roller 3 is pushed upward is less than the resistance when it rolls downward. Therefore, it can play a good buffering role without causing great resistance to the installation and pushing of the unwinding roller 3.

[0029] Working principle: When it is necessary to install the unwinding roller 3, the worker can push it upward along the ramp of the support rod. In this process, the worker does not need to lift the unwinding roller 3 as a whole, which effectively reduces the installation intensity of the worker and improves the installation efficiency.

[0030] When the unwinding roller 3 is pushed obliquely upward along the support frame 2 until it contacts the outer wall of one side of the second side plate 7, the operator can hold and rotate the handle 502. The handle 502 drives the rotating column 504 to rotate, and the threaded rod 505 rotates accordingly and drives the first side plate 501 to rise through the threaded hole 507, so that the first side plate 501 and the second side plate 7 form a rotating seat. At this time, the ring frame plate 509 presses against the outer wall of the support frame 2 to ensure that the first side plate 501 moves stably and is fixed in position, so as to prevent the unwinding roller 3 from shaking when rotating, thereby ensuring the overall stability of the unwinding roller 3 after installation.

[0031] After the printed material on the outer wall of the unwinding roller 3 is passively unwound, the operator rotates the handle 502 in the opposite direction. At this time, the first side plate 501 descends into the through groove 508. With the first side plate 501 no longer blocking one side of the unwinding roller 3, it is easier for the operator to quickly disassemble it, improving the convenience of operation. During the unwinding process, the unwinding roller 3 rolls down to the support frame 2 and first contacts the ramp block 601. At this time, the spring 603 in the mounting groove 602 is compressed and deformed. The elastic buffering effect of the spring 603 reduces the rolling speed of the unwinding roller 3, preventing the unwinding roller 3 from being damaged or causing safety hazards due to excessive rolling speed, effectively protecting the safety of the equipment and operators.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention.

Claims

1. A printing material cutting line unwinding device, comprising a base plate (1), characterized in that, The top outer wall of the base plate (1) is fixedly connected to a support frame (2), the cross-section of the support frame (2) is a right trapezoid, the top outer wall of the support frame (2) is fixedly connected to a second side plate (7), a side baffle assembly (5) is provided on one side of the support frame (2), and a unwinding roller (3) is rotatably connected to the top outer wall of the support frame (2). A buffer assembly (6) is provided on one side of the support frame (2) to reduce the rolling speed of the unwinding roller (3) during disassembly.

2. The unwinding device for printing cut lines according to claim 1, characterized in that, The side baffle assembly (5) includes a horizontal plate (4) fixedly connected to the inner walls of both sides of the support frame (2). A rotating column (504) is rotatably connected to the top of the horizontal plate (4). A limiting plate (503) is welded to the top of the rotating column (504). A threaded rod (505) is welded to the top outer wall of the limiting plate (503). A through groove (508) is opened at the top of the support frame (2). A first side plate (501) is inserted into the through groove (508). The first side plate (501) and the second side plate (7) form a rotating seat to ensure the stable rotation of the unwinding roller (3). A vertical rod (506) is fixedly connected to the bottom outer wall of the first side plate (501). A threaded hole (507) is opened inside the first side plate (501). The threaded hole (507) is threadedly connected to the threaded rod (505).

3. The unwinding device for printing cut lines according to claim 2, characterized in that, A throttle handle (502) is fixedly connected to the end of the rotating column (504) away from the limiting plate (503).

4. The unwinding device for printing cut lines according to claim 3, characterized in that, The outer wall of the vertical rod (506) is fixedly connected to a ring frame plate (509), and the top outer wall of the ring frame plate (509) abuts against the outer wall of one side of the support frame (2).

5. The unwinding device for printing cut lines according to claim 4, characterized in that, A guide post (510) is fixedly connected to the top outer wall of the horizontal plate (4), and a guide hole (511) is opened inside the vertical rod (506). One end of the guide post (510) is inserted into the guide hole (511).

6. The unwinding device for printing cut lines according to claim 5, characterized in that, A protruding block (8) is fixedly connected to one side of the outer wall of the support frame (2), and the cross-section of the protruding block (8) is triangular.

7. The unwinding device for printing cut lines according to claim 6, characterized in that, The buffer assembly (6) includes mounting grooves (602) evenly distributed on one side of the outer wall of the support frame (2). A spring (603) is fixedly connected to one side of the inner wall of the mounting groove (602). A ramp block (601) is fixedly connected to the other end of the spring (603). The slope of the upper side of the ramp block (601) is greater than the slope of the lower side.

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