Automatic alignment device for attaching heat transfer printing film

Abstract

The utility model provides an automatic alignment device for attaching a heat transfer printing film, and belongs to the technical field of heat transfer printing film equipment. Comprising a fixing plate, and the exterior of the fixing plate is fixedly connected with a mounting plate; the conveying assembly is used for conveying the heat transfer printing film, and the conveying assembly is connected with the fixing plate; and the alignment assembly is used for centralizing the heat transfer printing film. According to the utility model, the alignment component is arranged, so that when the alignment of the printing film is realized, the transmission gear can ensure that the two symmetrical transmission parts can synchronously move through the transmission parts meshed with the transmission gear. By means of the design, the problem of poor synchronism caused by a traditional connecting rod structure is avoided, the insection face of the transmission part is accurately meshed with the transmission gear, transmission accuracy and stability are guaranteed, the fixing base is connected with the transmission disc and the transmission part, the limiting part at the bottom of the fixing base is in sliding connection with the limiting rod, and therefore transmission reliability is improved. And stable guiding and supporting are provided for the driving disc.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal transfer film equipment, in particular to an automatic alignment device for thermal transfer film lamination. Background Art

[0002] Thermal transfer production usually refers to the process of cutting the prepared thermal transfer film and pressing it onto the substrate.

[0003] The invention patent with publication number CN 114161817 A proposes an automatic alignment device for thermal transfer film lamination, including a roller structure and a centering structure; the centering structure includes a fixed plate, a cylinder, a first limiting structure, a second limiting structure, and a connecting rod structure. The alignment device is installed before the thermal transfer film lamination roller, that is, before the thermal transfer film is laminarized, the position of the centering structure on the roller structure is adjusted to adjust the conveying position of the thermal transfer film feed, thereby improving the position accuracy during lamination and improving the product quality. The cylinder drives the first limiting structure to perform a limiting action, and the second limiting structure, driven by the connecting rod structure, performs a synchronous limiting action. The operation is simple and convenient, and is suitable for position adjustment actions when thermal transfer films of different widths are laminarized, and has wide applicability.

[0004] In the actual use of the above case, when the cylinder drives the first limiting structure, the second limiting structure moves under the drive of the connecting rod structure. The end of the connecting rod structure connected to the first limiting structure is subjected to greater force, and it is easy to break after long-term use. Since one end of the connecting rod structure drives the other end to move, the synchronization of the connecting rod structure is poor. Therefore, the utility model provides an automatic alignment device for thermal transfer film lamination to meet the needs. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The automatic alignment device for thermal transfer film lamination includes a fixed plate, the outside of which is fixedly connected to a mounting plate; a conveying component, which is used to convey the thermal transfer film and is connected to the fixed plate; and an alignment component, which is used to straighten the thermal transfer film and is connected to the fixed plate.

[0007] Optionally, the conveying assembly includes a first motor fixedly connected to the top of the mounting plate, a rotating shaft is fixedly connected to the output shaft of the first motor, and a transmission roller is fixedly connected to the outside of the rotating shaft.

[0008] Optionally, the alignment assembly includes a group of transmission members symmetrically slidably connected to the outside of the transmission roller, a second motor is fixedly connected to the inside of the fixed plate, and a transmission gear is fixedly connected to the output shaft of the second motor.

[0009] Optionally, the transmission member includes a transmission plate slidably connected to the outside of the transmission roller, and four annularly distributed limiting grooves are provided on the outside of the transmission member. Four protrusions matching the limiting grooves are provided inside the transmission plate, and each protrusion is slidably connected to the inside of the corresponding limiting groove.

[0010] Optionally, a rolling column is arranged on the contact surface between the protrusion and the limiting groove, and the outside of the rolling column is provided with annularly distributed spiral grooves.

[0011] Optionally, the transmission disc is rotatably connected to a fixed seat on the outside, a transmission part is fixedly connected to the bottom of one end of the fixed seat, a tooth pattern is provided on one side of the transmission part, and the tooth pattern surface of the transmission part is meshed with the transmission gear.

[0012] Optionally, the bottom of the other end of the fixed seat is fixedly connected to a limiting portion, the top of the fixed plate is fixedly connected to a group of symmetrically arranged fixing blocks, two limiting rods are fixedly connected between the two fixing blocks, and the limiting portion is slidably connected to the outside of the limiting rods.

[0013] Compared with the prior art, the utility model has at least the following beneficial effects:

[0014] In the above scheme, by setting the alignment component, when the printing film is aligned, the transmission gear can ensure that the two symmetrical transmission parts can move synchronously through the transmission part meshing with it. This design avoids the problem of poor synchronization caused by the traditional connecting rod structure. The precise meshing of the toothed surface of the transmission part and the transmission gear ensures the accuracy and stability of the transmission. The fixed seat not only connects the transmission disk and the transmission part, but also slides with the limit rod through the limit part at its bottom, providing stable guidance and support for the transmission disk. The setting of the limit rod limits the movement of the transmission disk in the horizontal direction, ensuring that the transmission disk can only slide on the outside of the transmission roller. The whole device is fixed and supported by the fixed plate, with a simple and compact structure, easy to install and maintain. The combination of the conveying component and the alignment component realizes the automatic conveying and alignment of the thermal transfer film and improves production efficiency.

[0015] In the above scheme, the transmission member (i.e., the transmission disc) ensures stable sliding and positioning of the transmission disc on the transmission roller through the precise cooperation between the protrusion inside it and the limiting groove. A rolling column with a spiral groove is arranged on the contact surface between the protrusion and the limiting groove. This design can further reduce friction, which not only reduces wear but also improves the smoothness and accuracy of transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the automatic alignment device for thermal transfer film lamination;

[0018] Figure 2 A top view of the alignment component;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the transmission parts;

[0020] Figure 4 for Figure 3 An enlarged schematic diagram of point A.

[0021] [Reference Signs]

[0022] 1. Fixed plate; 2. Mounting plate; 3. First motor; 4. Transmission roller; 5. Limiting groove; 6. Rotating shaft; 7. Second motor; 8. Transmission gear; 9. Transmission member; 901. Fixed seat; 902. Transmission part; 903. Limiting part; 904. Transmission disk; 905. Protrusion; 906. Rolling column; 10. Fixed block; 11. Limiting rod.

[0023] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0024] The following is a detailed description of the automatic alignment device for thermal transfer film lamination provided by the utility model in combination with the drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0025] like Figure 1As shown, an embodiment of the utility model provides an automatic alignment device for thermal transfer film lamination, including a fixed plate 1, a mounting plate 2 fixedly connected to the outside of the fixed plate 1, and a conveying component, the conveying component is used to convey the thermal transfer film, the conveying component is connected to the fixed plate 1, and the conveying component includes a first motor 3 fixedly connected to the top of the mounting plate 2, a rotating shaft 6 fixedly connected to the output shaft of the first motor 3, and a transmission roller 4 fixedly connected to the outside of the rotating shaft 6. During use, when the thermal transfer film is conveyed to the outside of the transmission roller 4, the first motor 3 can be started, and the first motor 3 drives the rotating shaft 6 and the transmission roller 4 outside the rotating shaft 6 to rotate, thereby being able to transmit the thermal transfer film.

[0026] In this embodiment, if Figures 1 to 4The alignment component shown is used to straighten the thermal transfer film. The alignment component is connected to the fixed plate 1. The alignment component includes a group of transmission members 9 symmetrically slidably connected to the outside of the transmission roller 4. The fixed plate 1 is fixedly connected to the inside of the second motor 7. The output shaft of the second motor 7 is fixedly connected to a transmission gear 8. The transmission member 9 includes a transmission disk 904 slidably connected to the outside of the transmission roller 4. The outside of the transmission member 9 is provided with four limiting grooves 5 distributed in an annular manner. The inside of the transmission disk 904 is provided with four protrusions 905 adapted to the limiting grooves 5, and each protrusion 905 is slidably connected to the inside of the corresponding limiting groove 5. The outside of the transmission disk 904 is rotatably connected to a fixed seat 901. The bottom of one end of the fixed seat 901 is fixed. A transmission part 902 is fixedly connected, and a tooth pattern is set on one side of the transmission part 902. The tooth pattern surface of the transmission part 902 meshes with the transmission gear 8. The bottom of the other end of the fixed seat 901 is fixedly connected to a limiting part 903. A group of symmetrically arranged fixed blocks 10 are fixedly connected to the top of the fixed plate 1. Two limiting rods 11 are fixedly connected between the two fixed blocks 10. The limiting part 903 is slidably connected to the outside of the limiting rod 11. When the transmission roller 4 rotates with the conveying assembly, the transmission member 9 (i.e., the transmission disk 904) slidably connected to the outside of the transmission roller 4 will perform a circular motion accordingly. After the second motor 7 inside the fixed plate 1 is started, the transmission gear 8 on its output shaft starts to rotate, and the transmission gear 8 meshes with the tooth pattern surface of the transmission part 902. The transmission part 902 rotates synchronously with the rotation of the transmission gear 8, and the four protrusions 905 inside the transmission disk 904 are respectively slidably connected to the inside of the corresponding limiting grooves 5 to form a stable connection structure. Due to the meshing relationship between the transmission part 902 and the transmission gear 8, the transmission disk 904 will perform a circular motion on the transmission roller 4 while being driven by the transmission part 902 to rotate or swing. This composite motion enables the transmission disk 904 to straighten the passing thermal transfer film to ensure its position accuracy during the bonding process. The limiting part 903 at one end of the fixed seat 901 is slidably connected to the outside of the two limiting rods 11, which limits the movement of the transmission disk 904 in the vertical direction to ensure its horizontal direction. Stable movement. Through the design of the alignment component, the thermal transfer film can be accurately straightened before lamination, which greatly improves the position accuracy during lamination, thereby improving product quality. The meshing design of the transmission gear 8 and the transmission part 902, as well as the cooperation between the limit part 903 and the limit rod 11, greatly enhance the synchronization of the system and avoid the problem of poor synchronization of the traditional connecting rod structure. The transmission plate 904 is precisely matched with the limit groove 5 through the protrusion 905, and the sliding connection between the fixed seat 901 and the limit rod 11, so that the structure of the entire alignment component is stable and reliable, reducing errors caused by vibration or impact. Through the flexible design of the alignment component, the device can be suitable for thermal transfer films of different widths and has a wide range of applicability.

[0027] Among them, a rolling column 906 is arranged on the contact surface between the raised portion 905 and the limiting groove 5, and a spiral groove distributed in an annular manner is opened on the outside of the rolling column 906. The rolling column 906 is arranged on the contact surface between the raised portion 905 and the limiting groove 5 in order to reduce the sliding friction between the driving plate 904 and the limiting groove 5 by rolling the rolling column 906 when the driving plate 904 performs a circular motion, thereby reducing the friction resistance and improving the smoothness and accuracy of the motion. The spiral groove opened on the outside of the rolling column 906 not only increases the contact area between the rolling column 906 and the limiting groove 5 and improves the stability of the rolling column 906, but also can form a certain lubrication effect during the rolling process, further reducing the friction resistance and reducing the noise at the same time. The rolling of 906 instead of sliding can significantly reduce the position error that may be generated by the transmission disk 904 during the sliding process, thereby improving the movement accuracy of the entire alignment component. Rolling friction has a smaller friction coefficient than sliding friction. Therefore, the use of rolling column 906 can reduce energy loss in the transmission process and improve energy utilization efficiency. The introduction of rolling column 906 reduces the direct friction between the protrusion 905 and the limiting groove 5, thereby reducing the wear rate of the two components and extending their service life. The design of the spiral groove not only increases the contact area between the rolling column 906 and the limiting groove 5, but also makes the rolling column 906 more stable during the rolling process, further enhancing the system stability of the entire alignment component.

[0028] The working principle provided by the utility model is that during use, when the thermal transfer film is transported to the outside of the transmission roller 4, the first motor 3 can be started, and the first motor 3 drives the rotating shaft 6 and the transmission roller 4 outside the rotating shaft 6 to rotate, so that the thermal transfer film can be transmitted. When the transmission roller 4 rotates with the conveying component, the transmission member 9 (i.e., the transmission disk 904) slidably connected to the outside of the transmission roller 4 will perform a circular motion accordingly. After the second motor 7 inside the fixed plate 1 is started, the transmission gear 8 on its output shaft starts to rotate, and the transmission gear 8 and the transmission part 902 are rotated. The toothed surfaces mesh with each other, so the transmission part 902 will rotate synchronously with the rotation of the transmission gear 8. The four protrusions 905 inside the transmission disk 904 are respectively slidably connected to the inside of the corresponding limit grooves 5 to form a stable connection structure. Due to the meshing relationship between the transmission part 902 and the transmission gear 8, the transmission disk 904 will perform a circular motion on the transmission roller 4 while being driven by the transmission part 902 to rotate or swing. This composite motion enables the transmission disk 904 to straighten the passing thermal transfer film to ensure its position accuracy during the bonding process.

[0029] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An automatic alignment device for thermal transfer film lamination, comprising a fixing plate (1), characterized in that: The exterior of the fixing plate (1) is fixedly connected to a mounting plate (2); A conveying assembly, the conveying assembly is used to convey the thermal transfer film, the conveying assembly is connected to the fixing plate (1); An alignment component, the alignment component is used to straighten the thermal transfer film, and the alignment component is connected to the fixing plate (1).

2. The automatic alignment device for thermal transfer film lamination according to claim 1, characterized in that: The conveying assembly comprises a first motor (3) fixedly connected to the top of the mounting plate (2), a rotating shaft (6) fixedly connected to the output shaft of the first motor (3), and a transmission roller (4) fixedly connected to the outside of the rotating shaft (6).

3. The automatic alignment device for thermal transfer film lamination according to claim 2, characterized in that: The alignment assembly comprises a group of transmission members (9) symmetrically slidably connected to the outside of the transmission roller (4); a second motor (7) is fixedly connected to the inside of the fixed plate (1); and a transmission gear (8) is fixedly connected to the output shaft of the second motor (7).

4. The automatic alignment device for thermal transfer film lamination according to claim 3, characterized in that: The transmission member (9) comprises a transmission disc (904) slidably connected to the outside of the transmission roller (4); four limiting grooves (5) distributed in an annular manner are provided on the outside of the transmission member (9); four protrusions (905) matching the limiting grooves (5) are provided inside the transmission disc (904); and each protrusion (905) is slidably connected to the inside of a corresponding limiting groove (5).

5. The automatic alignment device for thermal transfer film lamination according to claim 4, characterized in that: A rolling column (906) is provided on the contact surface between the protruding portion (905) and the limiting groove (5), and the outside of the rolling column (906) is provided with annularly distributed spiral grooves.

6. The automatic alignment device for thermal transfer film lamination according to claim 5, characterized in that: The transmission disc (904) is rotatably connected to a fixed seat (901) on the outside, and a transmission part (902) is fixedly connected to the bottom of one end of the fixed seat (901), and a tooth pattern is provided on one side of the transmission part (902), and the tooth pattern surface of the transmission part (902) meshes with the transmission gear (8).

7. The automatic alignment device for thermal transfer film lamination according to claim 6, characterized in that: The bottom of the other end of the fixing seat (901) is fixedly connected to a limiting portion (903), the top of the fixing plate (1) is fixedly connected to a group of symmetrically arranged fixing blocks (10), two limiting rods (11) are fixedly connected between the two fixing blocks (10), and the limiting portion (903) is slidably connected to the outside of the limiting rods (11).

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