A thermal transfer device for printing table chopsticks

Abstract

The utility model relates to a thermal transfer device, and in particular to a thermal transfer device for printing table chopsticks. It includes an equipment base, a rotating shaft, a conveyor belt, a material trough, etc.; a groove is arranged on the upper part of the base, and three rotating shafts are arranged in the groove of the base. The heights of the two rotating shafts on the right are slightly higher than the height of the rotating shaft on the left. Two conveyor belts are wound around the outer sides of the three rotating shafts, and the conveyor belts are respectively arranged on the front and rear sides of the rotating shafts. The two conveyor belts are provided with material troughs of the same position and quantity. Printing is performed by direct rolling contact between bamboo chopsticks and blocks. The printing components are easy to adjust in time, and the structure and use steps are simple, easy to operate, and no additional transfer paper is needed to assist printing, so as to avoid the deviation of the thermal transfer paper during transmission, resulting in misprinting of the bamboo chopstick pattern during printing, batch problems, and affecting the processing effect and production quality.

Description

Technical Field

[0001] The utility model relates to a thermal transfer device, in particular to a thermal transfer device for printing table chopsticks. Background Art

[0002] Thermal transfer is a technology widely used in various industries, including printing logos, stickers, labels, toys and clothing. Although the surface of bamboo is not as smooth and uniform as other surfaces, thermal transfer can still be successfully used in the production of bamboo products.

[0003] The equipment used in conventional bamboo chopstick printing includes the required printing paper, thermal transfer machine, thermal transfer ink, etc. The required pattern is engraved or posted on the printing paper. Usually the printing paper is arranged in a cylindrical shape, and is pressed against the bamboo chopsticks by an external receiving and winding roller and a hot pressure roller to fit the printing paper to the bamboo chopsticks during printing. The printing paper is intermittently pulled into contact with the bamboo chopsticks on the conveying equipment through the pressure roller and the winding roller, and the pattern on the printing paper is transferred to the bamboo chopsticks. The above method can be used for batch printing of bamboo chopstick patterns. However, due to the film-like strip-shaped printing paper, it is easily affected by factors such as improper temperature, uneven pressure, and insufficient paper tension during transmission, which may cause the paper to wrinkle or the transmission direction to deviate during transmission, resulting in unclear printed patterns or misaligned printed patterns, etc., affecting the processing effect and product quality, and the correction requires continuous debugging, affecting the processing flow. Utility Model Content

[0004] In order to overcome the shortcomings that conventional bamboo chopstick thermal transfer equipment uses film strip printing paper for printing, which is easily affected by factors such as improper temperature, uneven pressure, insufficient paper tension, etc. during the transmission process, resulting in paper wrinkling or deviation in the transmission direction, resulting in unclear printed patterns or misaligned printed patterns, affecting the processing effect and product quality, and the correction requires continuous debugging, affecting the processing flow, the purpose is to provide a way of direct rolling contact between bamboo chopsticks and blocks for printing, the printing parts are easy to adjust in time, the structure and use steps are simple, easy to operate, and there is no need to use additional transfer paper to assist in the thermal transfer device for printing chopsticks.

[0005] The technical scheme of the utility model is: a thermal transfer device for printing table chopsticks, comprising an equipment base, a rotating shaft, a conveyor belt, a material slot, a guide frame, a sliding block, a connecting frame, an ink cartridge, an ink outlet tube, a heating frame and an ink seepage block, a groove is arranged on the upper part of the equipment base, three rotating shafts are arranged in the groove of the equipment base, the heights of the two rotating shafts on the right are slightly higher than the height of the rotating shaft on the left, two conveyor belts are wound around the outer sides of the three rotating shafts, the conveyor belts are respectively arranged on the front and rear sides of the rotating shafts, the two conveyor belts are provided with material slots of the same position and quantity, a guide frame is fixedly connected to the left rear part of the equipment base, a sliding block is slidably arranged on the upper part of the guide frame, a connecting frame is slidably arranged on the front side of the sliding block, an ink cartridge is fixedly arranged inside the connecting frame, an ink outlet tube is telescopically arranged at the lower part of the ink cartridge, the ink outlet tube is communicated with the inside of the ink cartridge, an ink seepage block is arranged at the lower part of the ink outlet tube, and a heating frame is wrapped around the outer side of the ink seepage block.

[0006] Further description, it also includes a connecting rod, a connecting plate, a limit frame, a cam, a motor and an eccentric shaft. A connecting rod is connected to the right rear part of the heating frame, a connecting plate is fixedly connected to the rear part of the connecting rod, an arc groove is opened on the connecting plate, a limit frame is fixedly provided in front of the arc groove on the connecting plate, an eccentric shaft is slidably provided in the arc groove, an eccentric block is provided on the eccentric shaft, a cam is fixedly connected to the front part of the eccentric shaft, a motor is installed on the left rear part of the inner side of the equipment base, the output shaft of the motor is fixedly connected to the cam, a lever is provided at the rear of the cam, and the lever is in sliding contact with the limit frame.

[0007] Further description, it also includes a guide rod and a spring. The guide rod is fixedly connected to the lower side of the rear of the ink cartridge, the other end of the guide rod is connected to the ink seepage block, and a spring is wound around the outer side of the guide rod.

[0008] Further description, it also includes a fixed plate, an adjustment frame and a pressure plate. Two fixed plates are fixedly connected to the front and rear sides of the upper part of the base. An adjustment frame is slidably arranged between the four fixed plates, and a pressure plate is arranged at the bottom of the adjustment frame.

[0009] Further description, it also includes a friction plate and a wiping plate. The friction plate is arranged on the right part of the pressure plate, and the wiping plate is installed on the rear side of the right part of the adjustment frame.

[0010] The utility model has the following advantages: the utility model continuously transmits the bamboo chopsticks to the thermal transfer station through the conveyor belt to print the pattern, which is highly efficient, and the printing work is performed by direct rolling contact between the bamboo chopsticks and the pattern blocks. The printing components are easy to adjust in time, and the structure and use steps are simple and easy to operate. There is no need to use additional transfer paper to assist in printing, which avoids the thermal transfer paper being skewed during transmission, resulting in misprinting of the bamboo chopstick pattern during printing, causing batch problems, and affecting the processing effect and production quality.

[0011] The utility model cleans the printed part of the bamboo chopsticks by arranging a wiper plate, cleans the wood surface, ensures that the wood surface is clean and flat, and is free of impurities and stains, improves the adhesion of ink during printing, and ensures the quality and readability of the thermal transfer result. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 It is a three-dimensional structural schematic diagram of the thermal transfer mechanism and the conveying mechanism of the utility model.

[0014] Figure 3 It is a three-dimensional structural schematic diagram of the ink cartridge, ink outlet tube, heating frame and other components of the utility model.

[0015] Figure 4 It is a three-dimensional structural schematic diagram of the cam, motor and eccentric shaft of the utility model.

[0016] Figure 5 It is a three-dimensional structural schematic diagram of the components such as the pressing plate, the friction plate and the wiping plate of the utility model.

[0017] In the above drawings: 1-equipment base, 2-rotating shaft, 21-conveyor belt, 3-card slot, 4-guide frame, 5-sliding block, 6-connecting frame, 61-ink cartridge, 62-ink outlet tube, 63-heating frame, 64-ink seepage block, 7-connecting rod, 71-connecting plate, 72-limiting frame, 73-cam, 74-motor, 75-eccentric shaft, 8-guide rod, 9-spring, 10-fixed plate, 11-adjusting frame, 12-pressure plate, 13-friction plate, 14-wiping plate. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with specific embodiments. The illustrative embodiments and descriptions of the present invention are used to explain the present invention but are not intended to limit the present invention.

[0019] Embodiment 1: A thermal transfer device for printing tableware and chopsticks, such as Figure 1-5As shown, it includes an equipment base 1, a rotating shaft 2, a conveyor belt 21, a material slot 3, a guide frame 4, a sliding block 5, a connecting frame 6, an ink cartridge 61, an ink outlet tube 62, a heating frame 63 and an ink penetration block 64. A groove is arranged on the upper part of the equipment base 1. Three rotating shafts 2 are arranged in the groove of the equipment base 1. The heights of the two rotating shafts 2 on the right are slightly higher than the height of the rotating shaft 2 on the left. Two conveyor belts 21 are wound around the outer sides of the three rotating shafts 2. The conveyor belts 21 are respectively arranged on the front and rear sides of the rotating shaft 2. The left end of the conveyor belt 21 will tilt downward according to the arrangement position of the rotating shaft. The distance between the conveyor belts 2 is adjusted according to the processed bamboo chopsticks, and the transmission direction of the conveyor belts 2 should be from right to left. The two conveyor belts 21 are provided with material slots 3 with the same position and number. The material slots 3 are used to place the bamboo chopsticks that need to be printed. When the bamboo chopsticks in the material slots 3 move to the left position of the conveyor belt 2, they will be moved from the conveyor belt 2. The conveyor belt 2 falls down, and a guide frame 4 is fixedly connected to the left rear part of the equipment base 1. A sliding block 5 is slidably provided on the upper part of the guide frame 4, and a connecting frame 6 is slidably provided on the front side of the sliding block 5. An ink cartridge 61 for storing thermal transfer ink is fixedly provided inside the connecting frame 6, and an ink outlet tube 62 is telescopically provided at the lower part of the ink cartridge 61. The ink outlet tube 62 is connected to the inside of the ink cartridge 61, and an ink seepage block 64 is provided at the lower part of the ink outlet tube 62. The ink outlet tube 62 slowly flows the ink flowing out of the ink cartridge into the ink seepage block 64. The height of the ink seepage block 64 can be adjusted in time by sliding to adjust the position of the ink outlet tube 62. The outer side of the ink seepage block 64 is wrapped with a heating frame 63 for indirectly heating the ink. The ink seepage block 64 is embedded in the heating frame 63, and one side of the lower part is provided with a pattern required for printing. By heating the ink seepage block 64, the image in the ink seepage block 64 can be printed on the bamboo chopsticks through ink in the shortest time.

[0020] Initially, according to the position of the pattern to be printed on the bamboo chopsticks, the position of the connecting frame 6 on the sliding block 5 is adjusted forward and backward, and an appropriate amount of thermal transfer ink is injected into the ink cartridge 61. The thermal transfer ink in the ink cartridge 61 will flow into the ink seepage block 64 below through the ink outlet tube 62. At this time, the ink seepage block 64 is heated so that the thermal transfer component is in a waiting state. The driving member is connected to the rotating shaft 2, and the rotating shaft 2 is driven to rotate by an external power. The rotation of the rotating shaft 2 will drive the conveyor belt 21 to transport to the left. The bamboo chopsticks that need to be printed with patterns are placed at intervals in the card slots 3 on the conveyor belt 21. A bamboo chopstick is placed in a card slot 3. During the process of the bamboo chopstick being transported to the left, one end of the bamboo chopstick will contact the ink seepage block 64. When the bamboo chopstick contacts the ink seepage block 64, it will roll due to friction. The heated ink contacts the bamboo chopstick and penetrates into the bamboo chopstick to form a pattern on the surface of the bamboo chopstick. The bamboo chopsticks are continuously transported to the thermal transfer station by the conveyor belt 21 for pattern printing, which is highly efficient. The printing work is carried out by direct rolling contact between the bamboo chopsticks and the image blocks, which is convenient for timely adjustment. The structure and use steps are simple and easy to operate. There is no need to use additional transfer paper to assist in printing, which avoids the thermal transfer paper being skewed during transmission, resulting in misprinting of the bamboo chopstick pattern during printing, causing batch problems, and affecting the processing effect and production quality.

[0021] Embodiment 2: Based on embodiment 1, Figure 1-4As shown, it also includes a connecting rod 7, a connecting plate 71, a limiting frame 72, a cam 73, a motor 74 and an eccentric shaft 75. The right side of the rear of the heating frame 63 is connected to the connecting rod 7, and the rear of the connecting rod 7 is fixedly connected to the connecting plate 71. The lower part of the connecting plate 71 is provided with an arc groove. The front part of the arc groove on the connecting plate 71 is fixedly welded with a limiting frame 72. An eccentric shaft 75 is slidably provided in the arc groove. An eccentric block is provided on the eccentric shaft 75. The front part of the eccentric shaft 75 is fixedly connected to the cam 73. A motor 74 is installed at the left rear part of the inner side of the spare base 1. The output shaft of the motor 74 is fixedly connected to the cam 73. A lever is provided at the rear of the cam 73. The lever is in sliding contact with the limit frame 72. When the cam 73 is driven to rotate by the motor, the lever moves in a circle with the cam 73. Since the groove in the limit frame 72 is vertically arranged and the length of the groove is greater than the distance between the upper and lower limit positions when the lever rotates, when the lever rotates, the limit frame 72 will be pushed by the left and right sides of the lever. The limit frame 72 and the connecting plate will push the heating frame 63, driving the components on the guide frame 4 to move left and right. At this time, the ink-seeping block 64 will move forward and backward, and the eccentric block 75 set in the arc groove of the connecting plate 71 will move left and right in the arc groove when the cam 73 rotates. Affected by the position of the eccentric block 75 moving in the arc groove, the connecting plate 71 will be pushed left and right by the lever to achieve intermittent up and down movement. The ink-seeping block 64 will be at a low point when moving to the left and at a high point when moving to the right. By controlling the feeding speed of the conveyor belt 21 and coordinating the ink-seeping block 64 that moves up and down and left and right in a frame-shaped trajectory, the ink-seeping block 64 is in a state of moving from a high point to a low point when in contact with the bamboo chopsticks on the conveyor belt 21 for thermal transfer, and moves upward after contact to move away from the bamboo chopsticks and the conveyor belt 21. Through the active contact, it is avoided that the ink-seeping block 64 set in a mechanical fixed position needs to be constantly adjusted when printing bamboo chopsticks of different sizes.

[0022] like Figure 3 As shown, it also includes a guide rod 8 and a spring 9. The guide rod 8 is fixedly connected to the lower rear side of the ink cartridge 61, and the other end of the guide rod 8 is connected to the ink seepage block 64. A spring 9 with low elasticity and slow stress release is wound around the outer side of the guide rod 8. The purpose of setting the spring 9 is to limit and buffer the upward and downward movement of the ink seepage block 64 of the movable contact bamboo chopsticks, so as to avoid the ink seepage block 64 having a large potential energy when moving upward and downward after being subjected to force, causing the ink in the ink seepage block 64 to be thrown out, thereby affecting the printing effect.

[0023] In a specific embodiment: Figure 1 and Figure 5As shown, it also includes a fixed plate 10, an adjusting frame 11 and a pressing plate 12. Two fixed plates 10 are fixedly connected to the front and rear sides of the upper part of the equipment base 1. An adjusting frame 11 is slidably provided between the four fixed plates 10. A pressing plate 12 is provided at the lower part of the adjusting frame 11. By sliding the upper and lower heights of the adjusting frame 11, the distance between the adjusting frame 11 and the conveyor belt 3 is controlled so that the pressing plate 12 is close to the bamboo chopsticks. The pressing plate 12 is used to limit the bamboo chopsticks in transmission to prevent the bamboo chopsticks from being displaced by force during transmission and contact with the ink seepage block 64, and from being separated from the conveyor belt 21, thereby improving the stability of bamboo chopstick printing and transportation.

[0024] In a specific embodiment: to ensure that the surface of the bamboo chopsticks is clean, Figure 1 and Figure 5 As shown, it also includes a friction plate 13 and a wiping plate 14. The friction plate 13 is provided on the right side of the pressure plate 12. When the bamboo chopsticks come into contact with the friction plate 13, they will rotate in the card slot 3 in the conveyor belt 21. The wiping plate 14 is installed on the right rear side of the adjustment frame 11. The installation position of the wiping plate 14 is consistent with the position where the bamboo chopsticks need to be printed. The bamboo chopsticks will come into rotational contact with the wiping plate 14 during the transmission process. The wiping plate 14 is set to clean the printed area of ​​the bamboo chopsticks and clean the wood surface to ensure that the wood surface is clean, flat, free of impurities and stains, improve the adhesion of the ink during printing, and ensure the quality and readability of the thermal transfer results.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A thermal transfer device for printing tableware, comprising a device base (1), a rotating shaft (2), a conveyor belt (21) and a material trough (3), wherein a groove is arranged on the upper part of the device base (1), and three rotating shafts (2) are arranged in the groove of the device base (1), the height of the two rotating shafts (2) on the right side is slightly higher than the height of the rotating shaft (2) on the left side, and two conveyor belts (21) are wound around the outer sides of the three rotating shafts (2), and the conveyor belts (21) are respectively arranged on the front and rear sides of the rotating shaft (2), and the two conveyor belts (21) are provided with material troughs (3) of the same position and number; Its characteristics are: The device also comprises a guide frame (4), a sliding block (5), a connecting frame (6), an ink cartridge (61), an ink outlet pipe (62), a heating frame (63) and an ink seepage block (64). The left rear part of the device base (1) is fixedly connected with the guide frame (4). The upper part of the guide frame (4) is slidably provided with a sliding block (5). The front side of the sliding block (5) is slidably provided with a connecting frame (6). The ink cartridge (61) is fixedly provided inside the connecting frame (6). The lower part of the ink cartridge (61) is telescopically provided with an ink outlet pipe (62). The ink outlet pipe (62) is connected with the inside of the ink cartridge (61). The lower part of the ink outlet pipe (62) is provided with an ink seepage block (64). The outer side of the ink seepage block (64) is covered with a heating frame (63).

2. The thermal transfer device for printing tableware and chopsticks according to claim 1 is characterized by: The heating frame (63) further comprises a connecting rod (7), a connecting plate (71), a limiting frame (72), a cam (73), a motor (74) and an eccentric shaft (75). The right side of the rear of the heating frame (63) is connected to the connecting rod (7). The rear of the connecting rod (7) is fixedly connected to the connecting plate (71). The connecting plate (71) is provided with an arc groove. The front of the arc groove on the connecting plate (71) is fixedly provided with a limiting frame (72). An eccentric shaft (75) is slidably provided in the arc groove. An eccentric block is provided on the eccentric shaft (75). The front of the eccentric shaft (75) is fixedly connected to the cam (73). A motor (74) is installed at the left rear of the inner side of the equipment base (1). The output shaft of the motor (74) is fixedly connected to the cam (73). A shifting rod is provided at the rear of the cam (73). The shifting rod is in sliding contact with the limiting frame (72).

3. The thermal transfer device for printing tableware according to claim 2 is characterized by: The ink cartridge (61) further comprises a guide rod (8) and a spring (9). The guide rod (8) is fixedly connected to the lower rear side of the ink cartridge (61). The other end of the guide rod (8) is connected to the ink seepage block (64). The spring (9) is wound around the outer side of the guide rod (8).

4. The thermal transfer device for printing tableware and chopsticks according to claim 3 is characterized by: It also includes a fixed plate (10), an adjustment frame (11) and a pressing plate (12); two fixed plates (10) are fixedly connected to the front and rear sides of the upper part of the base; the adjustment frame (11) is slidably arranged between the four fixed plates (10); and the pressing plate (12) is arranged at the lower part of the adjustment frame (11).

5. The thermal transfer device for printing tableware and chopsticks according to claim 4 is characterized by: It also comprises a friction plate (13) and a wiping plate (14), wherein the friction plate (13) is arranged on the right part of the pressing plate (12), and the wiping plate (14) is installed on the rear side of the right part of the adjusting frame (11).

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