Unreeling device of printing equipment

Abstract

The utility model provides an unreeling device of printing equipment, the unreeling device comprises a hand expansion shaft assembly and a rotating seat assembly, the rotating seat assembly comprises a bearing seat and a rotating shaft, the rotating shaft is installed in the bearing seat and can rotate around a longitudinal shaft relative to the bearing seat, the upper end of the rotating shaft is a rotating seat, and the lower end of the rotating seat is a rotating shaft. And the hand expansion shaft assembly is fixedly mounted on the rotating seat and comprises a hand expansion shaft which is used for mounting a material coil and is transversely arranged. According to the innovative rotary structural design, the operation process of roll material installation is optimized, the working efficiency is improved, and the risk of roll material damage possibly caused by a traditional installation mode is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of printing technology, and more specifically, to an unwinding device for a printing apparatus. Background Technology

[0002] The description in this section provides only background information related to the disclosure of this utility model and does not constitute prior art.

[0003] In existing technology, printers are typically equipped with an unwinding mechanism for loading paper rolls and printing. However, traditional unwinding mechanisms have a drawback: their fixed structure prevents rotation, making paper roll loading inconvenient. Users need to load the paper roll from the side of the printer, which is not only time-consuming and laborious but also prone to damaging the paper roll and affecting print quality. This problem is particularly pronounced when handling heavier paper rolls, increasing the operational difficulty.

[0004] To address this technical problem, this application proposes an unwinding device capable of rotating 90°. This design allows users to easily adjust the angle of the unwinding device, making the paper roll installation process more convenient and efficient, while reducing the risk of damage during installation.

[0005] It should be noted that the above introduction to the technical background is only for the purpose of providing a clear and complete explanation of the technical solutions of this utility model and facilitating understanding by those skilled in the art. It should not be assumed that these technical solutions are known to those skilled in the art simply because they have been described in the background section of this utility model. Summary of the Invention

[0006] The technical problem to be solved by this utility model is to provide a roll unwinding device for a printing equipment.

[0007] To solve the above-mentioned technical problems, this utility model provides an unwinding device for a printing equipment. The unwinding device includes a hand-expanding shaft assembly and a rotating seat assembly. The rotating seat assembly includes a bearing seat and a rotating shaft installed in the bearing seat that can rotate relative to the bearing seat about a longitudinal axis. The upper end of the rotating shaft is the rotating seat. The hand-expanding shaft assembly is fixedly installed on the rotating seat. The hand-expanding shaft assembly includes a horizontally arranged hand-expanding shaft for mounting the material roll.

[0008] Preferably, the rotating seat assembly includes an upper mounting plate and a lower mounting plate, a first side plate and a second side plate located between the upper mounting plate and the lower mounting plate, the upper end of the bearing seat is fixed to the upper mounting plate, and the upper end of the rotating shaft is located on the upper side of the bearing seat.

[0009] Preferably, the upper end of the bearing seat is a fixed disc, which is located on the upper side of the upper mounting plate and fixed on the upper surface of the upper mounting plate.

[0010] Preferably, the rotating seat assembly further comprises a first L-shaped reinforcing rib and a second L-shaped reinforcing rib, the vertical segment of the first reinforcing rib is fixedly connected with the second side plate, and the horizontal segment of the first reinforcing rib is fixedly connected with the lower mounting plate; the vertical segment of the second reinforcing rib is fixedly connected with the first side plate, and the horizontal segment of the second reinforcing rib is fixedly connected with the lower mounting plate.

[0011] Preferably, the hand expanding shaft assembly comprises a bottom plate, a fixed plate located on the upper side of the bottom plate, two sealing plate metals arranged oppositely in front and back between the bottom plate and the fixed plate, a bearing mounting plate arranged between the two sealing plate metals, one end of the hand expanding shaft is rotatably mounted on the bearing mounting plate, the hand expanding shaft assembly further comprises a motor, the motor is located on the upper side of the fixed plate, the output shaft of the motor is rotatably mounted on the bearing mounting plate, the output shaft is in transmission connection with the rotating shaft of the hand expanding shaft, and a protective shell is further arranged on the bearing mounting plate, the end of the rotating shaft of the hand expanding shaft and the output shaft of the motor is hidden in the protective shell.

[0012] Preferably, the front side of the fixed plate is provided with a second handle.

[0013] Preferably, the front side of the sealing plate metal or the bottom plate is provided with a clamping plate, the first handle is arranged on the clamping plate, and the lower side of the clamping plate is arranged at the front side position of the upper mounting plate.

[0014] Preferably, the rear side of the upper mounting plate and / or the first side plate is provided with a rotating limiting block, and the upper end of the rotating limiting block is arranged at the rear side position of the bottom plate.

[0015] By means of the above technical scheme, the printing equipment has the following beneficial effects:

[0016] The hand expanding shaft assembly of the printing equipment is rotatably mounted on the rotating seat, when it is necessary to mount a roll, a user can pull the hand expanding shaft assembly to rotate it by 90 degrees around the rotating seat axis, so that the hand expanding shaft rotates from the internal working position of the printer to the roll mounting position on the outside of the printer. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the structure schematic diagram of the unwinding device of the utility model.

[0018] Figure 2 is the structure schematic diagram of the unwinding device of the utility model.

[0019] Figure 3 is the structure schematic diagram of the unwinding device of the utility model.

[0020] Figure 4 is the partial structure schematic diagram of the unwinding device of the utility model.

[0021] Figure 5 is the structure schematic diagram of the rotating seat assembly of the utility model.

[0022] Figure 6 is the structure schematic diagram of the hand expanding shaft assembly of the utility model.

[0023] Wherein: 100, hand expanding shaft;151, rotating seat;200, material roll;1, lower mounting plate;2, upper mounting plate;3, first side plate;4, second side plate;5, first reinforcing rib;6, bearing seat;7, clamping plate;8, first handle;9, sealing plate sheet metal;10, fixed plate;11, protective shell;12, motor;13, second handle;14, bearing mounting plate;15, rotating shaft;16, bottom plate;17, rotating limiting block;18, output shaft;19, rotating shaft;61, fixed disc. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] It should be noted that, in the description of the utility model, the terms "first", "second" and the like are only used for the purpose of description and distinguishing similar objects, and there is no sequence between the two, and it cannot be understood as indicating or implying relative importance. In addition, in the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0026] As Figures 1-6The utility model provides a kind of unwinding device of printing equipment, the unwinding device includes hand expansion shaft subassembly and rotary seat subassembly, the rotary seat subassembly includes bearing seat 6, the rotation shaft 1915 that can be relatively bearing seat 6 around a longitudinal axis is installed in bearing seat 6, the upper end of the rotation shaft 1915 is rotary seat 151, the hand expansion shaft subassembly is fixedly installed on the rotary seat 151, the hand expansion shaft subassembly includes the transverse arrangement hand expansion shaft 100 for installing roll 200.When needing to install roll 200, user can pull hand expansion shaft subassembly and make it rotate 90 ° around rotary seat 151 axis, make hand expansion shaft 100 from printer internal working position rotate to the loading position of printer outside.This design significantly improves the convenience of roll installation, user can easily complete roll installation when hand expansion shaft 100 is in outside position, subsequently hand expansion shaft 100 subassembly is reversed 90 ° and can be restored to working position.

[0027] The rotating seat assembly comprises an upper mounting plate 2 and a lower mounting plate 1, a first side plate 3 and a second side plate 4 located between the upper mounting plate 2 and the lower mounting plate 1, and a bearing seat 6, the upper end of the bearing seat 6 is fixed on the upper mounting plate 2, and the upper end of the rotating shaft 1915 is located on the upper side of the bearing seat 6. The upper end of the bearing seat 6 is a fixed disc 61, which is located on the upper side of the upper mounting plate 2 and is fixed on the upper surface of the upper mounting plate 2. Through the combination of the upper mounting plate 2, the lower mounting plate 1, and the first side plate 3 and the second side plate 4, a solid frame structure is formed, which can effectively support the bearing seat 6 and the rotating shaft 1915, ensuring the stability and reliability of the device during operation. The upper end of the bearing seat 6 is connected with the upper mounting plate 2 through the fixed disc 61, which is located on the upper side of the upper mounting plate 2 and is fixed on the upper surface thereof. This design not only improves the installation accuracy and reduces the installation error, but also makes the connection between the bearing seat 6 and the upper mounting plate 2 more firm and easy to disassemble, facilitating the later maintenance or replacement of the bearing seat 6 and the rotating shaft 1915. At the same time, the design of the fixed disc 61 can uniformly distribute the load of the rotating shaft 1915 to the upper mounting plate 2, avoiding local stress concentration and prolonging the service life of the device. In addition, the fixed disc 61 is located on the upper side of the upper mounting plate 2, making full use of the vertical space, so that the overall structure is more compact, providing sufficient installation space for other components (such as the hand expanding shaft assembly). In a preferred embodiment, the rotating seat assembly further comprises an L-shaped first reinforcing rib 5 and a second reinforcing rib, the vertical section of the first reinforcing rib 5 is fixedly connected with the second side plate 4, and the horizontal section of the first reinforcing rib 5 is fixedly connected with the lower mounting plate 1; the vertical section of the second reinforcing rib is fixedly connected with the first side plate 3, and the horizontal section of the second reinforcing rib is fixedly connected with the lower mounting plate 1. This design can effectively disperse and bear the load generated by the rotating shaft 1915 and the bearing seat 6 during operation, reducing the deformation and vibration of the frame, thereby improving the operation accuracy and reliability of the device.

[0028] The hand expanding shaft assembly comprises a bottom plate 16, a fixed plate 10 located on the upper side of the bottom plate 16, two sealing plate metal sheets 9 arranged opposite to each other between the bottom plate 16 and the fixed plate 10, a bearing mounting plate 14 arranged between the two sealing plate metal sheets 9, one end of the hand expanding shaft, i.e., a rotating shaft 19, is mounted on the bearing mounting plate 14, the hand expanding shaft assembly further comprises a motor 12, the motor 12 is located on the upper side of the fixed plate 10, an output shaft 18 of the motor 12 is rotatably mounted on the bearing mounting plate 14, the output shaft 18 is in transmission connection with the rotating shaft 19 of the hand expanding shaft, and a protective shell 11 is arranged on the bearing mounting plate 14, the end portions of the rotating shaft 19 of the hand expanding shaft and the output shaft 18 of the motor 12 are hidden in the protective shell 11.

[0029] The front side of the fixed plate 10 is provided with a second handle 13. Preferably, the front side of the sealing plate sheet metal 9 or the bottom plate 16 is provided with a clamping plate 7, the clamping plate 7 is provided with a first handle 8, and the lower side of the clamping plate 7 is blocked at the front side of the upper mounting plate 2. Preferably, the rear side of the upper mounting plate 2 and / or the first side plate 3 is provided with a rotation limiting block 17, and the upper end of the rotation limiting block 17 is blocked at the rear side of the bottom plate 16. By providing the second handle 13 at the front side of the fixed plate 10, and providing the clamping plate 7 with the first handle 8 at the front side of the sealing plate sheet metal 9 or the bottom plate 16, and providing the rotation limiting block 17 at the rear side of the upper mounting plate 2 and / or the first side plate 3, the rotation angle of the hand expansion shaft assembly is effectively limited, and excessive rotation is prevented.

[0030] The above-mentioned embodiments are only preferred embodiments for fully illustrating the present application, and the protection scope of the present application is not limited thereto. Any equivalent replacement or transformation of the present application made by those skilled in the art based on the present application is within the protection scope of the present application. The protection scope of the present application is subject to the claims.

Claims

1. A take-up device of a printing apparatus, characterized by comprising: The unwinding device comprises a hand expanding shaft assembly and a rotating seat assembly, the rotating seat assembly comprises a bearing seat, a rotating shaft installed in the bearing seat and capable of rotating around a longitudinal axis relative to the bearing seat, the upper end of the rotating shaft is a rotating seat, the hand expanding shaft assembly is fixedly installed on the rotating seat, and the hand expanding shaft assembly comprises a transversely arranged hand expanding shaft for installing a roll.

2. The unwinding device according to claim 1, characterized in that The rotating seat assembly comprises an upper mounting plate and a lower mounting plate, a first side plate and a second side plate located between the upper mounting plate and the lower mounting plate, the upper end of the bearing seat is fixed on the upper mounting plate, and the upper end of the rotating shaft is located on the upper side of the bearing seat.

3. The unwinding device according to claim 2, characterized in that The upper end of the bearing seat is a fixed disc, the fixed disc is located on the upper side of the upper mounting plate and is fixed on the upper surface of the upper mounting plate.

4. The unwinding device according to claim 2, characterized in that The rotating seat assembly further comprises a first reinforcing rib and a second reinforcing rib in an L shape, the vertical section of the first reinforcing rib is fixedly connected with the second side plate, and the horizontal section of the first reinforcing rib is fixedly connected with the lower mounting plate; the vertical section of the second reinforcing rib is fixedly connected with the first side plate, and the horizontal section of the second reinforcing rib is fixedly connected with the lower mounting plate.

5. The unwinding device according to claim 2, characterized in that The hand expanding shaft assembly comprises a bottom plate, a fixed plate located on the upper side of the bottom plate, two sealing plate metals arranged opposite to each other between the bottom plate and the fixed plate, a bearing mounting plate arranged between the two sealing plate metals, one end of the hand expanding shaft is rotatably installed on the bearing mounting plate, the hand expanding shaft assembly further comprises a motor, the motor is located on the upper side of the fixed plate, the output shaft of the motor is rotatably installed on the bearing mounting plate, the output shaft is in transmission connection with the rotating shaft of the hand expanding shaft, and the bearing mounting plate is further provided with a protective shell, and the end of the rotating shaft of the hand expanding shaft and the output shaft of the motor is hidden in the protective shell.

6. The unwinding device according to claim 5, characterized in that The front side of the fixed plate is provided with a second handle.

7. The unwinding device according to claim 5, characterized in that The front side of the sealing plate metal or the bottom plate is provided with a clamping plate, the clamping plate is provided with a first handle, and the lower side of the clamping plate is located in front of the upper mounting plate.

8. The unwinding device according to claim 5, characterized in that The rear side of the upper mounting plate and / or the first side plate is provided with a rotation limiting block, and the upper end of the rotation limiting block is located at the rear side of the bottom plate. The rear side of the upper mounting plate and / or the first side plate is provided with a rotation limiting block, and the upper end of the rotation limiting block is located at the rear side of the bottom plate.

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