Printing device for decorative film

Abstract

The utility model discloses a decorative film printing device which comprises a conveying channel which is in a front-back conveying mode, a printing mechanism is arranged on the conveying channel and comprises machine frames arranged on the left side and the right side of the conveying channel, and a first transmission roller and a second transmission roller which are arranged below the conveying channel are rotationally connected between the machine frames. A swing shaft which is arranged above the conveying channel and located between the first transmission roller and the second transmission roller is arranged in the machine frame, a swing seat is rotationally connected to the swing shaft, and a first embossing roller matched with the first transmission roller and a second embossing roller matched with the second transmission roller are arranged on the swing seat. A stand column extending upwards is arranged in the middle of the top of the swing seat, a tray is arranged on the stand column, and a balancing weight is arranged in the tray. The printing device has the advantages that pressed patterns are convenient to convert and can be replaced without shutdown, the overall function is complete, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, and more specifically, it relates to a printing device for decorative films. Background Art

[0002] By using different printing rollers to press decorative films, corresponding decorative patterns can be formed on the surfaces of the decorative films. If it is necessary to convert the pressed pattern, the printing roller needs to be replaced. Printing rollers are usually heavy and not easy to disassemble and assemble. This makes it very inconvenient to convert the pressed pattern and requires shutdown operations, resulting in poor overall effects. Accordingly, the utility model provides a printing device for decorative films. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies in the above-mentioned prior art and provide a printing device for decorative films, which has the characteristics of convenient conversion of the pressed pattern and can be replaced without shutdown.

[0004] To solve the above technical problems, the purpose of the utility model is realized as follows: A printing device for decorative films according to the utility model includes a conveying channel that conveys forward and backward. A printing mechanism is provided on the conveying channel. The printing mechanism includes frames provided on the left and right sides of the conveying channel. A first driving roller and a second driving roller are rotatably connected between the frames and are located below the conveying channel. A swing shaft is provided between the frames and is located above the conveying channel and between the first driving roller and the second driving roller. A swing seat is rotatably connected to the swing shaft. A first embossing roller matching the first driving roller and a second embossing roller matching the second driving roller are provided on the swing seat. A vertical column extending upward is centrally provided at the top of the swing seat. A tray is provided on the vertical column, and a counterweight is provided in the tray.

[0005] The utility model is further provided as follows: A central column extending upward is provided at the top of the tray. The counterweight is in the shape of an annular sheet and is sleeved on the central column.

[0006] The utility model is further provided as follows: A first driving arm extending towards the direction of the first embossing roller and a second driving arm extending towards the direction of the second embossing roller are provided on the vertical column.

[0007] The utility model is further provided as follows: It further includes a power assembly for controlling the synchronous rotation of the first driving roller and the second driving roller. The power assembly includes a first synchronous pulley, a second synchronous pulley, and a third synchronous pulley. The third synchronous pulley is rotatably connected to the frame. A motor for controlling its rotation is drivingly connected to the third synchronous pulley. The first synchronous pulley is drivingly connected to the first driving roller. The second synchronous pulley is drivingly connected to the second driving roller. A synchronous belt is drivingly connected to the first synchronous pulley, the second synchronous pulley, and the third synchronous pulley.

[0008] The utility model is further configured as follows: an auxiliary upper driving roller is arranged above the conveying channel, and an auxiliary lower driving roller matching the auxiliary upper driving roller is arranged below the conveying channel. The auxiliary lower driving roller and the auxiliary upper driving roller are arranged at one end of the conveying channel close to the feeding position.

[0009] To sum up, the utility model has the following beneficial effects:

[0010] 1. The embossing rollers with different surface patterns on both sides can be mechanically switched, and the switching is convenient; the unused roller can be replaced without stopping the machine after switching.

[0011] 2. The embossing force can be adjusted by counterweights to control the embossing clarity and ensure the transmission reliability. Description of the Drawings

[0012] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 is a schematic diagram of a partial structure of the utility model. Detailed Embodiment

[0014] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation of the utility model will be described below in conjunction with specific embodiments. However, it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the utility model.

[0015] The utility model will be further described below in conjunction with the drawings and preferred embodiments.

[0016] Embodiment 1

[0017] Refer to Figure 1 and Figure 2 As shown, a printing device for a decorative film according to this embodiment includes a conveying channel 100 that conveys forward and backward. A printing mechanism 200 is arranged on the conveying channel 100. The printing mechanism 200 includes frames 1 arranged on the left and right sides of the conveying channel. A first driving roller 2 and a second driving roller 3 are rotatably connected between the frames 1 and are arranged below the conveying channel 100. A swing shaft 4 is arranged between the frames 1 above the conveying channel 100 and between the first driving roller 2 and the second driving roller 3. A swing seat 5 is rotatably connected to the swing shaft 4. A first embossing roller 6 matching the first driving roller 2 and a second embossing roller 7 matching the second driving roller 3 are arranged on the swing seat 5. A vertical column 8 extending upward is arranged in the middle of the top of the swing seat 5. A tray 9 is arranged on the vertical column 8, and a counterweight 10 is arranged in the tray 9.

[0018] Furthermore, a central column 11 extending upward is provided on the top of the tray 9 , and the counterweight block 10 is in the shape of a ring sheet, and the counterweight block 10 is sleeved on the central column 11 .

[0019] Furthermore, it also includes a power assembly for controlling the first transmission roller 2 and the second transmission roller 3 to rotate synchronously; the power assembly includes a first synchronous wheel 14, a second synchronous wheel 15 and a third synchronous wheel 16, the third synchronous wheel 16 is rotatably connected to the frame 1, the third synchronous wheel 16 is transmission-connected to a motor 17 for controlling its rotation, the first synchronous wheel 14 is transmission-connected to the first transmission roller 2, the second synchronous wheel 15 is transmission-connected to the second transmission roller 3, and the first synchronous wheel 14, the second synchronous wheel 15 and the third synchronous wheel 16 are transmission-connected to a synchronous belt 18.

[0020] In this embodiment, when the column 8 is tilted to the left, the swing seat 5 is swung to the left, the first embossing roller 6 is pressed on the first transmission roller 2, and the decorative film being transported is located between the first embossing roller 6 and the first transmission roller 2 for transmission, and during the transmission, the first embossing roller 6 performs embossing. When the column 8 is tilted to the right, the swing seat 5 is swung to the right, the second embossing roller 7 is pressed on the second transmission roller 3, and the decorative film being transported is located between the second embossing roller 7 and the second transmission roller 3 for transmission, and during the transmission, the second embossing roller 7 performs embossing.

[0021] Among them, by changing the mass of the counterweight block 10, not only the clarity of the embossing can be controlled, but also the transmission stability can be ensured and slipping can be prevented.

[0022] The first embossing roller 6 and the second embossing roller 7 move as driven rollers; the first transmission roller 2 and the second transmission roller 3 move as active rollers.

[0023] Example 2

[0024] See also Figure 1 and Figure 2 As shown, the decorative film printing device involved in this embodiment is further configured on the basis of Example 1, wherein the column 8 is provided with a first driving arm 12 extending in the direction of the first embossing roller and a second driving arm 13 extending in the direction of the second embossing roller.

[0025] In this embodiment, the first driving arm 12 and the second driving arm 13 are provided to be used as a grip to facilitate the manipulation of the column 8 to swing left or right.

[0026] Example 3

[0027] See also Figure 1 and Figure 2As shown in the figure, a printing device for a decorative film according to this embodiment is further configured, on the basis of Embodiments 1 and 2, such that an auxiliary upper driving roller 19 is provided above the conveying channel 100, and an auxiliary lower driving roller 20 matching the auxiliary upper driving roller is provided below the conveying channel 100. The auxiliary lower driving roller 20 and the auxiliary upper driving roller 19 are arranged at one end of the conveying channel 100 close to the feeding position.

[0028] In this embodiment, the arrangement of the auxiliary upper driving roller 19 cooperating with the auxiliary lower driving roller 20 plays an auxiliary driving role.

[0029] For the printing device of the decorative film involved in the present invention, the embossing roller with different patterns on both surfaces of the printing device can be mechanically switched, and the switching is convenient; the unused roller can be replaced without stopping the machine after switching; and the embossing force can be adjusted by counterweights to control the embossing clarity and ensure the transmission reliability. The overall function is perfect and the practicability is strong.

[0030] Unless otherwise clearly specified and defined, in the present invention, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the orientation or positional relationship indicated is based on the actual orientation or positional relationship shown. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood in combination with the embodiments and according to the specific circumstances.

[0031] Unless otherwise clearly specified and defined, in the present invention, if there are terms such as "arranged", "connected" and "connected", they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0032] The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present invention without creative labor. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field of the present invention through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the protection scope determined by the claims.

Claims

1. A printing device for a decorative film, comprising a conveying channel that conveys forward and backward, and a printing mechanism is provided on the conveying channel, characterized in that: The printing mechanism includes frames arranged on the left and right sides of the conveying channel. A first driving roller and a second driving roller are rotatably connected between the frames and are arranged below the conveying channel. A swing shaft is arranged between the frames above the conveying channel and between the first driving roller and the second driving roller. A swing seat is rotatably connected to the swing shaft. A first embossing roller matching the first driving roller and a second embossing roller matching the second driving roller are arranged on the swing seat. A vertical column extending upward is centrally arranged at the top of the swing seat. A tray is arranged on the vertical column, and a counterweight is arranged in the tray.

2. The printing device for the decorative film according to claim 1, characterized in that: A central column extending upward is arranged at the top of the tray. The counterweight is in the shape of an annular sheet and is sleeved on the central column.

3. The printing device for the decorative film according to claim 1 or 2, characterized in that: A first driving arm extending in the direction of the first embossing roller and a second driving arm extending in the direction of the second embossing roller are arranged on the vertical column.

4. The printing device for the decorative film according to claim 3, characterized in that: It further includes a power assembly for controlling the synchronous rotation of the first driving roller and the second driving roller. The power assembly includes a first synchronous pulley, a second synchronous pulley, and a third synchronous pulley. The third synchronous pulley is rotatably connected to the frame. A motor for controlling its rotation is drivingly connected to the third synchronous pulley. The first synchronous pulley is drivingly connected to the first driving roller. The second synchronous pulley is drivingly connected to the second driving roller. A synchronous belt is drivingly connected to the first synchronous pulley, the second synchronous pulley, and the third synchronous pulley.

5. The printing device for the decorative film according to claim 1, characterized in that: An auxiliary upper driving roller is arranged above the conveying channel, and an auxiliary lower driving roller matching the auxiliary upper driving roller is arranged below. The auxiliary lower driving roller and the auxiliary upper driving roller are arranged at one end of the conveying channel close to the feeding.

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