A conveyor mechanism for inverted inkjet printing in an inkjet printer

Abstract

This utility model belongs to the technical field of conveying devices, and particularly relates to a conveying mechanism for inverted inkjet printing of inkjet printers. It includes a frame, on which a belt conveyor is mounted. The belt conveyor includes a conveyor frame and a drive motor. The conveyor frame is located above the inkjet printer body with the printhead facing upward and extends in the left-right direction. Two transmission rollers are rotatably mounted on the left and right ends of the conveyor frame through bearings. One of the transmission rollers is driven by the drive motor. Two sets of conveyor belts are wound and connected between the two transmission rollers and spaced apart in the front-back direction. An isolation plate is provided on the conveyor frame and passes between each conveyor belt. The isolation plate has a printing nozzle corresponding to the printhead of the inkjet printer body.

Description

Technical Field

[0001] This utility model belongs to the field of conveying device technology, and in particular relates to a conveying mechanism for inverted inkjet printing in an inkjet printer. Background Technology

[0002] To ensure standardized production and clarify product quality responsibility, manufacturers typically use inkjet printers to print product barcodes and production dates on the bottom of bottled products such as toothpicks, beverages, medicines, and cosmetics.

[0003] Currently, in the actual production process of bottled packaging products, manufacturers typically employ several workers on an assembly line consisting of conveyor belts for transporting the bottles. Each worker holds the bottle in one hand and the inkjet printer in the other, visually aligning the printer's nozzle with the bottom of the bottle to complete the coding operation. This method is not only slow but also suffers from inconsistent coding quality due to manual coding, frequently resulting in skewed barcodes or dates. Therefore, there is an urgent need to develop a highly automated conveyor mechanism for inverted coding of bottle bottoms. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by providing a reasonably designed, simple, and highly automated conveying mechanism for inverted coding of bottle bottoms, which facilitates coding on the bottom of bottles, thus solving the problems existing in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A conveying mechanism for inverted inkjet printing includes a frame with a belt conveyor mounted on it. The belt conveyor includes a conveyor frame and a drive motor. The conveyor frame is positioned above the inkjet printer body with the printhead facing upwards and extends in the left-right direction. Two drive rollers are rotatably mounted on the left and right ends of the conveyor frame via bearings. One of the drive rollers is driven by the drive motor. Two sets of conveyor belts are wound and connected between the two drive rollers and spaced apart in the front-back direction. An isolation plate is provided on the conveyor frame and passes between each conveyor belt. The isolation plate has a printing nozzle corresponding to the printhead of the inkjet printer body.

[0007] Preferably, the machine frame is provided with a coding frame at the rear. The coding frame includes a base, a vertical pole on the base, a slider slidably mounted on the vertical pole, a brake bolt for tightening the vertical pole is threaded onto the slider, and a crossbar slidably passes through the slider. The front end of the crossbar is fixedly connected to the coding machine body.

[0008] Preferably, a controller is provided at the front of the frame, and the controller is electrically connected to the inkjet printer body and the drive motor respectively.

[0009] Preferably, the isolation plate is equipped with a position sensor corresponding to the inkjet nozzle, and the position sensor and the controller are electrically connected.

[0010] Preferably, the isolation plate has several vertically downward bent mounting edges on both sides, and each mounting edge has a waist-shaped hole extending longitudinally for adjusting the mounting height.

[0011] Preferably, the conveyor frame is rotatably mounted with multiple guide rollers via bearings, which guide the lower part of the conveyor belt toward the lower surface of the isolation plate.

[0012] Preferably, the side wall of the conveyor frame has a lateral opening corresponding to the coding nozzle.

[0013] Preferably, the drive motor is fixedly installed below the right end of the conveyor frame, and a drive gear is fixedly sleeved on the output shaft of the drive motor. A driven gear is fixedly sleeved on one end of the transmission roller located at the right end of the conveyor frame, and a transmission toothed belt is engaged between the drive gear and the driven gear.

[0014] Preferably, each set of conveyor belts consists of two conveyor belts.

[0015] This utility model adopts the above technical solution and has the following technical effects:

[0016] This invention utilizes two sets of conveyor belts spaced along the front-to-back direction. This not only facilitates the transport of bottled products using the two conveyor belts, but also, with the inkjet printer's printhead facing upwards, allows for inverted coding of the bottle bottoms using the spacing between the two conveyor belts. Compared to the traditional method of manually holding the bottle and using the inkjet printer, this inverted coding method offers higher automation, higher coding efficiency, and more stable coding quality. Furthermore, the included partitions separate the upper and lower parts of each conveyor belt, preventing excessive sagging of the upper part of the conveyor belt when heavy products are placed on it, thus supporting and limiting the upper part of the conveyor belt and ensuring its normal operation. Simultaneously, the designated coding nozzles provide space for the inkjet printer's printhead to operate normally. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. The drawings are described as follows:

[0018] Figure 1 This is a three-dimensional schematic diagram of the present invention from one perspective;

[0019] Figure 2 This is a three-dimensional schematic diagram of the present invention from another perspective;

[0020] Figure 3 This is a three-dimensional schematic diagram of the belt conveyor of this utility model from one perspective;

[0021] Figure 4 This is a three-dimensional schematic diagram of the belt conveyor of this utility model from another perspective;

[0022] Figure 5 This is a three-dimensional structural diagram of the isolation plate of this utility model;

[0023] In the picture:

[0024] 10. Inkjet printer body; 20. Frame; 30. Belt conveyor; 31. Conveyor frame; 311. Side opening; 32. Drive motor; 33. Drive roller; 34. Conveyor belt; 35. Isolation plate; 351. Inkjet nozzle; 352. Mounting fold; 353. Waist-shaped hole; 36. Guide roller; 37. Drive gear; 38. Driven gear; 39. Drive toothed belt; 40. Inkjet frame; 41. Base; 42. Upright pole; 43. Slider; 44. Brake bolt; 45. Crossbar; 50. Controller. Detailed Implementation

[0025] The embodiments described below are merely some embodiments of the present invention and do not represent all embodiments consistent with the present invention. Exemplary embodiments will now be described with reference to the accompanying drawings:

[0026] See Figure 1-5 As shown in the figure, the present invention is a conveying mechanism for inverted inkjet printing of an inkjet printer. It includes an inkjet printer body 10, a frame 20, and a belt conveyor 30. The belt conveyor 30 is mounted on the frame 20. The inkjet printer body 10 is positioned below the frame 20 with the printhead of the belt conveyor 30 facing upwards. The belt conveyor 30 includes a conveyor frame 31 and a drive motor 32. The conveyor frame 31 extends in the left-right direction. Two transmission rollers 33 are rotatably mounted on the left and right ends of the conveyor frame 31 through bearings. One of the transmission rollers 33 is driven by the drive motor 32. Two sets of conveyor belts 34 are wound and connected between the two transmission rollers 33 and spaced apart in the front-back direction. An isolation plate 35 is provided on the conveyor frame 31 and passes between each conveyor belt 34. The isolation plate 35 has a printing nozzle 351 corresponding to the printhead of the inkjet printer body 10.

[0027] In this embodiment, by setting two sets of conveyor belts 34 spaced apart in the front-to-back direction, it is not only convenient to use the two sets of conveyor belts 34 to transport bottle-packaged products, but also, after setting the printhead of the inkjet printer body 10 upward, the spacing between the two sets of conveyor belts 34 allows the inkjet printer body 10 to conveniently perform inverted coding on the bottom of the bottle-packaged products. The partition plate 35 not only separates the upper and lower parts of each conveyor belt 34, but also prevents the upper part of the conveyor belt 34 from sinking excessively when a heavy product is placed on it, thus affecting the conveying operation. This provides support and limit for the upper part of the conveyor belt 34, ensuring the normal operation of the conveyor belt. At the same time, the coding port 351 provides clearance for the normal operation of the printhead of the inkjet printer body 10.

[0028] like Figure 1 or Figure 2 As shown, in order to facilitate the support of the inkjet printer body 10 and to facilitate the adjustment of the distance between the printhead of the inkjet printer body 10 and the bottom of the bottle packaging product, this utility model further provides an inkjet printer frame 40 at the rear of the frame 20 based on the above structure. The inkjet printer frame 40 includes a base 41, a vertical rod 42 on the base 41, a slider 43 slidably sleeved on the vertical rod 42, a brake bolt 44 threadedly connected to the slider 43 for tightening the vertical rod 42, and a crossbar 45 slidably passing through the slider 43. The front end of the crossbar 45 is fixedly connected to the inkjet printer body 10.

[0029] To further improve the automation of conveying and coding of bottle packaging products, this utility model further includes a controller 50 at the front of the frame 20, and a position sensor on the isolation plate 35 corresponding to the coding port 351. The controller 50 is electrically connected to the coding machine body 10, the drive motor 32 and the position sensor respectively.

[0030] In this embodiment, the position sensor can be installed inside the inkjet nozzle 351 to detect the position in a timely manner, or it can be installed on the right side of the inkjet nozzle 351 to detect the position in advance. The detected signal is then sent to the controller 50, which controls the inkjet printer body 10 to perform the inkjet printing operation based on the signal and a preset delay time. It should be noted that both the controller 50 and the position sensor are existing technologies. The position sensor can be a conventional sensor in the art, such as a fiber optic sensor or a laser sensor, mainly used to sense whether an item has passed a preset position. The controller 50 can be a conventional controller in the art, such as a Mitsubishi FX3U series PLC controller, mainly used to control the start and stop of the drive motor 32, receive the signal from the position sensor, and control the inkjet printer body 10 to perform the inkjet printing operation based on the signal.

[0031] like Figure 4As shown, in a preferred embodiment, based on the above structure, preferably, a plurality of guide rollers 36 are rotatably mounted on the conveyor frame 31 via bearings, and the guide rollers 36 guide the lower part of the conveyor belt 34 close to the lower surface of the isolation plate 35.

[0032] In this embodiment, the guide roller 36 can not only tension the conveyor belt 34, but also guide the lower part of the conveyor belt 34 close to the lower surface of the isolation plate 35, thereby facilitating the entry and exit of the inkjet printer body 10 below the inkjet port 351, and making it easier to control the position of the inkjet printer body 10 nozzle.

[0033] As a preferred embodiment, based on the above structure, preferably, the side wall of the conveyor frame 31 is provided with a lateral opening 311 corresponding to the inkjet nozzle 351, so as to better observe the position of the inkjet printer body 10 nozzle.

[0034] like Figure 5 As shown, in a preferred embodiment, based on the above structure, preferably, both sides of the partition plate 35 are provided with several vertically downward bent mounting edges 352, and each of the mounting edges 352 is provided with a waist-shaped hole 353 extending longitudinally for adjusting the mounting height.

[0035] In this embodiment, the mounting flange 352 allows the isolation plate 35 and the conveyor frame 31 to be bolted together, resulting in a stable connection. At the same time, the oblong hole 353 allows the installation height of the isolation plate 35 to be adjusted by adjusting the longitudinal locking position of the bolt within the oblong hole 353, thereby adjusting the distance between the upper surface of the isolation plate 35 and the upper part of the conveyor belt 34.

[0036] As a preferred embodiment, based on the above structure, preferably, the drive motor 32 is fixedly installed below the right end of the conveyor frame 31, the output shaft of the drive motor 32 is fixedly sleeved with a drive gear 37, one end of the transmission roller 33 located at the right end of the conveyor frame 31 is fixedly sleeved with a driven gear 38, and a transmission toothed belt 39 is provided between the drive gear 37 and the driven gear 38 for meshing connection.

[0037] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Any equivalent changes, modifications, substitutions, and variations made by those skilled in the art based on the concept of this utility model and on the basis of existing technology through logical analysis, reasoning, or limited experiments shall be within the scope of protection defined by the claims.

Claims

1. A conveying mechanism for inverted printing of a code by a code printer, comprising a frame (20) on which a belt conveyor (30) is arranged, characterized in that: The belt conveyor (30) includes a conveyor frame (31) and a drive motor (32). The conveyor frame (31) is located above the inkjet printer body (10) with the nozzle facing upward and extends in the left and right direction. Two transmission rollers (33) are rotatably installed at the left and right ends of the conveyor frame (31) through bearings. One of the transmission rollers (33) is driven by the drive motor (32). Two sets of conveyor belts (34) are wound and connected between the two transmission rollers (33) and spaced in the front and back direction. An isolation plate (35) is provided on the conveyor frame (31). The isolation plate (35) passes between each conveyor belt (34). The isolation plate (35) has a coding port (351) corresponding to the nozzle of the inkjet printer body (10).

2. The conveying mechanism for inverted inkjet printing in an inkjet printer according to claim 1, characterized in that: The machine frame (20) is provided with a coding frame (40) at the rear. The coding frame (40) includes a base (41), a vertical rod (42) is provided on the base (41), a slider (43) is slidably sleeved on the vertical rod (42), a brake bolt (44) for tightening the vertical rod (42) is threaded on the slider (43), and a crossbar (45) is slidably passed through the slider (43). The front end of the crossbar (45) is fixedly connected to the coding machine body (10).

3. The conveying mechanism for inverted inkjet printing in an inkjet printer according to claim 1, characterized in that: The frame (20) is equipped with a controller (50) at the front, which is electrically connected to the inkjet printer body (10) and the drive motor (32).

4. The conveying mechanism for inverted inkjet printing in an inkjet printer according to claim 3, characterized in that: The isolation plate (35) is equipped with a positioning sensor corresponding to the inkjet nozzle (351), and the positioning sensor and the controller (50) are electrically connected.

5. The conveying mechanism for inverted inkjet printing in an inkjet printer according to claim 1, characterized in that: The isolation plate (35) has several vertically downward bent mounting edges (352) on both sides, and each mounting edge (352) has a waist-shaped hole (353) extending longitudinally to adjust the mounting height.

6. The conveying mechanism for inverted inkjet printing in an inkjet printer according to claim 1, characterized in that: Multiple guide rollers (36) are rotatably mounted on the conveyor frame (31) via bearings. The guide rollers (36) guide the lower part of the conveyor belt (34) close to the lower surface of the isolation plate (35).

7. The conveying mechanism for inverted inkjet printing in an inkjet printer according to claim 1, characterized in that: The side wall of the conveyor (31) is provided with a lateral opening (311) corresponding to the inkjet nozzle (351).

8. The conveying mechanism for inverted inkjet printing in an inkjet printer according to claim 1, characterized in that: Each set of conveyor belts (34) consists of two conveyor belts (34).

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