CN220264518U - Unreeling device - Google Patents

Abstract

The utility model relates to the technical field of printing, and provides an unreeling device which comprises an unreeling component, at least two cloth passing rollers and a swing rod mechanism, wherein the unreeling component is used for unreeling printing media, one cloth passing roller is arranged close to the unreeling component, and the other cloth passing rollers are arranged far away from the unreeling component. The utility model provides an unreeling device comprises a unreeling device and a reeling device, can be applied to unreeling of elastic printing media and inelastic printing media. When the unreeling object is an elastic printing medium, the elastic printing medium is unreeled through the unreeling component, and the unreeled path is in a state of being naturally stretched to ensure the definition of the printing pattern by being wound on the cloth passing roller far away from the unreeling component. When the unreeling object is the inelastic printing medium, the inelastic printing medium is firstly wound on the swing rod mechanism after being unreeled through the unreeling component, then wound on the cloth passing roller close to the unreeling component, and finally wound on the cloth passing roller far away from the unreeling component, so that the inelastic printing medium is in a tight state and is suitable for printing requirements.

Description

Unreeling device

Technical Field

The utility model relates to the technical field of printing, and particularly provides an unreeling device.

Background

In the field of textile digital printing, due to the difference in elasticity of printing media, the patterns are required to be unreeled through different unreeling devices so as to be prevented from deforming in the printing process. For example, for a print medium with better elasticity, the stretching of such print medium should be reduced during unreeling to reduce the probability of elastic deformation. For another example, for inelastic print media, some tension should be applied during unreeling to ensure that the printing process is smooth and does not wrinkle. Therefore, there is a need to solve the problem of poor applicability of the unreeling device to print media.

Disclosure of Invention

The utility model aims to provide an unreeling device, which aims to solve the problem that the existing unreeling device is poor in adaptability to printing media.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the embodiment of the application provides an unreeling device for realize the unreeling of print medium, including unreeling subassembly, two at least cloth rolls and pendulum rod mechanism, unreel the subassembly and be used for unreeling print medium, one of them cloth rolls is close to unreel the subassembly setting, remaining cloth rolls are kept away from unreel the subassembly setting, pendulum rod mechanism can be in print medium's transmission path is last to swing.

The utility model has the beneficial effects that: the unreeling device provided by the utility model can be suitable for unreeling elastic printing media and inelastic printing media. When the unreeling object is an elastic printing medium, the elastic printing medium is unreeled through the unreeling component, and the unreeled path is in a state of being naturally stretched to ensure the definition of the printing pattern by being wound on the cloth passing roller far away from the unreeling component. When the unreeling object is the inelastic printing medium, the inelastic printing medium is firstly wound on the swing rod mechanism after being unreeled through the unreeling component, then wound on the cloth passing roller close to the unreeling component, and finally wound on the cloth passing roller far away from the unreeling component, so that the inelastic printing medium is in a tight state and is suitable for printing requirements.

In one embodiment, the unreeling device further comprises a first baffle and two second baffles arranged on the first baffle at intervals, and the unreeling assembly, the cloth passing roller and the swing rod mechanism are all rotatably connected between the two second baffles.

Through adopting above-mentioned technical scheme, first baffle and each second baffle enclose and close the supporting structure that forms and supply unreel subassembly, cloth passing roller and pendulum rod mechanism setting to, print medium unreels before two second baffles and first baffle.

In one embodiment, the unreeling assembly comprises unreeling rollers with two ends rotatably connected to the two second baffles respectively, and unreeling motors mounted on the second baffles and with output ends connected to the unreeling rollers.

By adopting the technical scheme, the unreeling motor is utilized to drive the unreeling roller to rotate around the shaft so as to realize unreeling action.

In one embodiment, the swing rod mechanism comprises a swing rod main body and swing arms arranged on two opposite sides of the swing rod main body, and two opposite ends of the swing arms are respectively connected with the corresponding second baffle in a rotating way.

By adopting the technical scheme, the inelastic printing medium is wound on the swing rod main body, and the swing arm enables the inelastic printing medium to obtain corresponding swing amplitude.

In one embodiment, the swing link mechanism further comprises an angle sensor, wherein the angle sensor is arranged on the swing arm and is used for detecting the swinging angle of the swing arm.

By adopting the technical scheme, the swing amplitude of the swing rod main body is monitored by using the angle sensor.

In one embodiment, the swing link mechanism further comprises a swing link motor, the swing link motor is fixed on the second baffle, and the output of the swing link motor is connected to the swing arm in a short time.

By adopting the technical scheme, the swing motor is utilized to output power so as to finely adjust the swing amplitude of the swing rod main body and realize the active swing of the swing rod main body.

In one embodiment, the unreeling device further comprises a photoelectric sensing switch arranged on the first baffle, and the photoelectric sensing switch is electrically connected with the peripheral printing equipment.

By adopting the technical scheme, the photoelectric sensing switch is used for monitoring the unreeling condition of the elastic printing medium, and if the photoelectric sensing switch cannot detect the elastic printing medium, the photoelectric sensing switch transmits a signal to the printing equipment arranged outside to pause printing.

In one embodiment, the number of the photoelectric sensing switches is a plurality, and each photoelectric sensing switch is arranged on the first baffle in an array.

By adopting the technical scheme, the number of the photoelectric sensing switches is increased to improve the monitoring precision.

In one embodiment, the unreeling device further comprises a main control circuit board, and the angle sensor and the unreeling motor are electrically connected with the main control circuit board.

By adopting the technical scheme, when the angle sensor detects that the swing rod main body swings to a certain angle, an electric signal is sent to the main control circuit board, and the main control circuit board is used for controlling the unreeling speed of the unreeling motor.

In one embodiment, the number of the cloth passing rollers is two, and the two cloth passing rollers are positioned on the same horizontal height and are positioned above the swing rod mechanism.

By adopting the technical scheme, the elastic printing medium can keep a natural sagging state; and the inelastic print medium can then be in a straightened state.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an unreeling device provided by an embodiment of the present utility model;

FIG. 2 is a front view of an unwind apparatus for unwinding an elastic print medium according to an embodiment of the present utility model;

fig. 3 is a front view of an unreeling device for unreeling inelastic print media according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

10. unreeling the assembly; 11. an unreeling roller; 12. unreeling the motor;

20. passing through a cloth roller;

30. a swing rod mechanism; 31. a swing rod main body; 32. a swing arm; 33. an angle sensor;

41. a first baffle; 42. a second baffle;

50. a photoelectric sensing switch;

100. elastic printing a medium; 200. inelastic print media.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the field of textile digital printing, due to the difference in elasticity of printing media, the patterns are required to be unreeled through different unreeling devices so as to be prevented from deforming in the printing process. For printing media with better elasticity, the stretching of the printing media should be reduced in the unreeling process so as to reduce the probability of elastic deformation. For inelastic print media, a certain amount of tension should be applied during unreeling to ensure that the print process is smooth and does not wrinkle. Therefore, there is a need to solve the problem of poor applicability of the unreeling device to print media.

In view of the above, in the embodiment of the present application, when facing the elastic printing medium 100, the unwinding assembly 10 is used to unwind and directly wind the elastic printing medium 100 around one of the cloth passing rollers 20, so that the elastic printing medium 100 is in a natural extension state under the action of gravity; when facing the inelastic printing medium 200, the unreeling assembly 10 is used to unreel the inelastic printing medium 200, and then the inelastic printing medium 200 is wound on the swing rod mechanism 30 and each cloth passing roller 20 in sequence, so that the inelastic printing medium 200 is in a tight state. Thus, the adaptability of the unreeling device is improved.

Referring to fig. 1 to 3, an unwinding device is provided in an embodiment of the present application, and is configured to unwind a printing medium, and includes an unwinding assembly 10, at least two cloth passing rollers 20, and a swing rod mechanism 30.

The unreeling assembly 10 is used for unreeling printing media, wherein one cloth passing roller 20 is arranged close to the unreeling assembly 10, the rest cloth passing rollers 20 are arranged far away from the unreeling assembly 10, and the swing rod mechanism 30 can swing on a transmission path of the printing media.

Here, the number of the cloth passing rollers 20 may be adjusted according to actual use requirements, that is, at least two cloth passing rollers 20 are ensured to bypass the printing medium.

The unreeling device provided by the utility model can be suitable for unreeling the elastic printing medium 100 and the inelastic printing medium 200. When the unreeling object is the elastic printing medium 100, the elastic printing medium 100 is unreeled through the unreeling assembly 10, and the unreeled object is wound on the cloth passing roller 20 far away from the unreeled assembly 10 by avoiding the swing rod mechanism 30 on the unreeled path, so that the elastic printing medium 100 is in a natural unfolding state so as to ensure the definition of the printed pattern. When the unreeled object is the inelastic printing medium 200, the inelastic printing medium 200 is in a tight state and is suitable for printing requirements after being unreeled by the unreeling assembly 10, and is firstly wound on the swing rod mechanism 30, then is wound on the cloth passing roller 20 close to the unreeling assembly 10, and finally is wound on the cloth passing roller 20 far from the unreeling assembly 10.

Referring to fig. 1, in one embodiment, the unreeling device further includes a first baffle 41 and two second baffles 42 disposed on the first baffle 41 at intervals, and the unreeling assembly 10, the cloth passing roller 20 and the swing rod mechanism 30 are rotatably connected between the two second baffles 42.

It will be appreciated that the first baffle 41 and the two second baffles 42 enclose the receiving space, support the unreeling assembly 10, the cloth passing roller 20 and the swing bar mechanism 30, and allow the printing medium to unreel therethrough.

Illustratively, as shown in fig. 1, the number of cloth passing rollers 20 is two, one of the cloth passing rollers 20 being disposed adjacent to the unwind assembly 10 and the other being disposed adjacent to the first barrier 41, so that the print medium, whichever is, may be printed there before extending around the cloth passing rollers 20 to the first barrier 41.

By adopting the above technical scheme, the first baffle 41 and each second baffle 42 enclose to form a support structure for the unreeling assembly 10, the cloth passing roller 20 and the swing rod mechanism 30, and the printing medium is unreeled between the two second baffles 42 and in front of the first baffle 41.

Referring to fig. 1 and 2, in one embodiment, the unreeling assembly 10 includes an unreeling roller 11 with two ends rotatably connected to two second baffles 42, and an unreeling motor 12 mounted on the second baffles 42 and with an output end connected to the unreeling roller.

It will be appreciated that the unreeling motor 12 is a power source, which drives the unreeling roller 11 to rotate between the two second baffles 42, thereby realizing unreeling action.

By adopting the technical scheme, the unreeling motor 12 is utilized to drive the unreeling roller 11 to rotate around the shaft so as to realize unreeling action.

Referring to fig. 1 and 2, in one embodiment, the swing link mechanism 30 includes a swing link body 31 and swing arms 32 disposed on opposite sides of the swing link body 31, and opposite ends of the swing arms 32 are respectively rotatably connected to corresponding second baffles 42.

By adopting the above technical scheme, the inelastic printing medium 200 is wound on the swing rod main body 31, and the swing arm 32 enables the inelastic printing medium 200 to obtain corresponding swing amplitude.

Referring to fig. 1 and 2, in one embodiment, the swing link mechanism 30 further includes an angle sensor 33, where the angle sensor 33 is disposed on the swing arm 32, for detecting an angle of swing of the swing arm 32.

It will be appreciated that the angle sensor 33 is capable of rotating with the swing arm 32, and thus is capable of detecting the angle of rotation of the swing arm 32.

For example, the angle sensor 33 may be provided on the swing arm 32 on one side of the swing link body 31, or the angle sensor 33 may be provided on both the swing arms 32 on opposite sides of the swing link body 31.

By adopting the above technical scheme, the swing amplitude of the swing link body 31 is monitored by the angle sensor 33.

In one embodiment, the swing link mechanism 30 further includes a swing link motor, the swing link motor being fixed to the second baffle 42, and the output of the swing link motor being short-circuited to the swing arm 32.

By adopting the technical scheme, the swing motor is utilized to output power so as to finely adjust the swing amplitude of the swing rod main body 31 and realize the active swing of the swing rod main body 31.

Referring to fig. 1 and 2, in one embodiment, the unreeling device further includes a photoelectric sensor switch 50 disposed on the first baffle 41, where the photoelectric sensor switch 50 is electrically connected to the peripheral printing apparatus.

It will be appreciated that the elastic printing medium 100 is detected by the path photoelectric sensor 50 during printing, and if the photoelectric sensor 50 does not detect the printing medium for a long time, it indicates that there is a cloth shortage or unreeling abnormality on the unreeling assembly 10, and then the photoelectric sensor 50 transmits a signal to an external printing device to halt printing.

By adopting the above technical scheme, the photoelectric sensing switch 50 is used for monitoring the unreeling condition of the elastic printing medium 100, and if the photoelectric sensing switch 50 cannot detect the elastic printing medium 100, a signal is transmitted to the externally-arranged printing device to halt printing.

In one embodiment, the number of the photoelectric sensor switches 50 is plural, and each photoelectric sensor switch 50 is disposed on the first baffle 41 in an array.

By adopting the above technical scheme, the number of the photoelectric sensor switches 50 is increased to improve the monitoring accuracy.

In one embodiment, the unreeling device further comprises a main control circuit board, and the angle sensor 33 and the unreeling motor 12 are electrically connected to the main control circuit board.

By adopting the above technical scheme, when the angle sensor 33 detects that the swing rod main body 31 swings to a certain angle, an electric signal is sent to the main control circuit board, and the unreeling speed of the unreeling motor 12 is controlled by the main control circuit board.

Illustratively, the swing rod main body 31 is gradually consumed by the printing medium on the unreeling assembly 10 to rotate, the angle sensor 33 can detect that the printing medium is angularly displaced, and the main control circuit board adjusts the pulse frequency to the unreeling motor 12 according to the angular change, for example, the larger the angular displacement change of the swing rod main body 31 is, the higher the output rotating speed of the unreeling motor 12 is.

Referring to fig. 2 and 3, in one embodiment, the number of the cloth passing rollers 20 is two, and the two cloth passing rollers 20 are located at the same level and are located above the swing rod mechanism 30.

By adopting the above-described technical scheme, the elastic printing medium 100 can maintain a natural sagging state; and the inelastic print medium 200 can be in a straightened state.

For example, as shown in fig. 2, when the unreeled object is the elastic printing medium 100, the printing medium on the unreeling assembly 10 is wound on the cloth passing roller 20 disposed far from the unreeling assembly 10 after being unreeled, and then the elastic printing medium 100 is in a natural extension state under the action of self gravity, so that printing is facilitated.

For example, as shown in fig. 3, when the unreeling object is the inelastic printing medium 200, after unreeling is completed by using the unreeling assembly 10, the inelastic printing medium 200 is wound on the swing rod mechanism 30 and the two cloth passing rollers 20 in sequence, so that the inelastic printing medium 200 is in a tight state, and printing is facilitated.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (9)

1. An unreeling device for realizing unreeling of a printing medium, which is characterized in that: the printing machine comprises an unreeling assembly, at least two cloth passing rollers and a swing rod mechanism, wherein the unreeling assembly is used for unreeling a printing medium, one cloth passing roller is arranged close to the unreeling assembly, the rest cloth passing rollers are arranged far away from the unreeling assembly, and the swing rod mechanism can swing on a transmission path of the printing medium; the unreeling device further comprises a first baffle and a photoelectric sensing switch arranged on the first baffle, and the photoelectric sensing switch is electrically connected with the peripheral printing equipment.

2. Unreeling device according to claim 1, characterized in that: the unreeling device further comprises two second baffles arranged on the first baffle at intervals, and the unreeling assembly, the cloth passing roller and the swing rod mechanism are all rotationally connected between the two second baffles.

3. Unreeling device according to claim 2, characterized in that: the unreeling component comprises unreeling rollers with two ends respectively connected with the two second baffles in a rotating way so as to and the unreeling motor is arranged on the second baffle plate, and the output end of the unreeling motor is connected with the unreeling roller.

4. An unreeling device according to claim 3, wherein: the swing rod mechanism comprises a swing rod main body and swing arms arranged on two opposite sides of the swing rod main body, and two opposite ends of the swing arms are respectively connected with the corresponding second baffle in a rotating mode.

5. Unreeling device according to claim 4, characterized in that: the swing rod mechanism further comprises an angle sensor, wherein the angle sensor is arranged on the swing arm and used for detecting the swinging angle of the swing arm.

6. Unreeling device according to claim 4, characterized in that: the swing rod mechanism further comprises a swing rod motor, the swing rod motor is fixed on the second baffle, and the output of the swing rod motor is connected to the swing arm in a short time.

7. Unreeling device according to claim 1, characterized in that: the photoelectric sensing switches are arranged on the first baffle in an array mode.

8. Unreeling device according to claim 5, characterized in that: the unreeling device further comprises a main control circuit board, and the angle sensor and the unreeling motor are electrically connected with the main control circuit board.

9. Unreeling device according to any one of claims 1 to 8, characterized in that: the number of the cloth passing rollers is two, the two cloth passing rollers are located on the same horizontal height, and the two cloth passing rollers are located above the swing rod mechanism.