Plastic packaging bag printing machine

Abstract

The utility model discloses a plastic packaging bag printing machine which comprises a bottom plate, stand columns, a shaft rod, a printing roller, a driving box, an ink brushing assembly, a pressing assembly and a conveying assembly, the stand columns are fixedly connected to the two sides of the middle of the upper end of the bottom plate, and the shaft rod used for fixing the printing roller is rotationally connected to the sides, close to each other, of the two stand columns through bearings. The outer side of the shaft rod is fixedly connected with a printing roller, one side of the shaft rod is fixedly connected with a driving box, the driving box is fixedly connected to one sides of the stand columns, an ink brushing assembly is installed in the middle of the upper end of the bottom plate, and pressing and holding assemblies used for pressing and holding a plastic packaging bag are installed on the sides, close to each other, of the two stand columns. Conveying assemblies used for conveying plastic packaging bags are installed on the front side and the rear side of the upper end of the bottom plate. The printing device has the advantages that the printing quality can be guaranteed through the pressing and holding assembly and the ink brushing assembly, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing machines, in particular to a printing machine for plastic packaging bags. Background Art

[0002] A printing machine is a machine for printing words and images. Modern printing machines generally consist of mechanisms such as plate loading, ink coating, impression, and paper feeding. Its principle is to first make the words or images to be printed into a printing plate, install it on the printing machine, and then apply ink by hand or the printing machine to the places with words and images on the printing plate, and then directly or indirectly transfer it to paper or other printing substrates (such as textiles, metal plates). Plastic color packaging bags need to use a printing machine to print them during the production process to make them have colorful patterns and be more beautiful.

[0003] Publication No. CN211684006U discloses a printing machine for plastic packaging bags with uniform coloring, which includes a machine frame, an ink tank body and a printing plate roller are arranged on the machine frame; the printing plate roller is rotatably connected to the side wall of the machine frame; several heating sheets are arranged on the outer wall of the ink tank body, and the heating sheets are evenly distributed on the lower surface of the ink tank body; a working cavity is arranged inside the ink tank body, and several stirring devices are arranged in the working cavity. The utility model has the effect of uniform coloring. However, the prior art still has disadvantages:

[0004] In the prior art, when the printing machine for plastic packaging bags is in use, it usually relies on the rotation of the printing plate roller to infiltrate the ink in the ink tank body to its surface. However, this method has obvious limitations and cannot ensure that the quality of the ink extracted each time is consistent, affecting the quality during subsequent printing. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to overcome the above defects and provide a printing machine for plastic packaging bags.

[0006] To solve the above technical problem, the technical solution provided by the utility model is: a printing machine for plastic packaging bags, including: a bottom plate;

[0007] Vertical columns, the vertical columns are fixedly connected to both sides of the middle part of the upper end of the bottom plate;

[0008] A shaft rod, the shaft rod rotates on one side where two vertical columns are close to each other through bearings;

[0009] A printing roller, the printing roller is fixedly connected to the outside of the shaft rod;

[0010] A drive box, the drive box is fixedly connected to one side of the shaft rod, and the drive box is fixedly connected to one side of the vertical column.

[0011] Ink-brushing assembly, the ink-brushing assembly is arranged on one side where two columns are close to each other. The ink-brushing assembly includes an ink storage tank, a transmission rod, an ink-brushing roller, a scraper, a synchronous disk, a synchronous belt, and an ink delivery pipe. The ink storage tank is fixedly connected to the middle of the upper end of the bottom plate. The transmission rod is rotatably connected to the middle of the inner side of the ink storage tank through a bearing. One end of the transmission rod extends to both sides of the column, and the connection between the transmission rod and the column is rotatably connected through a bearing. The ink-brushing roller is fixedly connected to the outer side of the transmission rod. The scraper is fixedly connected to the upper part of the front end of the inner side of the ink storage tank. The two synchronous disks are respectively fixedly connected to one side of the shaft rod and the transmission rod. The synchronous belt is sleeved on the outer sides of the two synchronous disks. The ink delivery pipe is fixedly connected to one side of the ink storage tank;

[0012] Pressing assembly, the pressing assembly is arranged on one side where two columns are close to each other;

[0013] Conveying assembly, the conveying assembly is arranged on the front and rear sides of the upper end of the bottom plate.

[0014] As an improvement, the pressing assembly includes:

[0015] Chute, the chute is opened on the upper part of one side where two columns are close to each other;

[0016] Limit rod, the limit rod is fixedly connected to the middle of the inner side of the chute;

[0017] Limit block, the limit block is inserted on the outer side of the limit rod, and the limit block is inserted inside the chute;

[0018] Spring, the spring is arranged on the upper end of the limit block, and the spring is sleeved on the outer side of the limit rod.

[0019] Pressing roller, the pressing roller is rotatably connected to one side where two limit blocks are close to each other through a bearing.

[0020] As an improvement, the conveying assembly includes:

[0021] Fixed plate, the fixed plate is fixedly connected to both sides of the front and rear parts of the upper end of the bottom plate;

[0022] Conveying rollers, four conveying rollers are rotatably connected to one side where the fixed plates are close to each other, and the four conveying rollers are staggered with each other.

[0023] As an improvement, a template is fixedly connected to the outer side of the printing roller.

[0024] As an improvement, support columns are fixedly connected to both sides of the front and rear parts of the lower end of the bottom plate.

[0025] The advantages of the present utility model compared with the prior art are as follows: When the present utility model is in use, the plastic packaging bag is conveyed to the upper end of the printing roller through the conveying assembly. The pressing roller slides downward under the restriction of the limiting rod and the limiting block by the elastic force of the spring. The plastic packaging bag is attached to the upper end of the printing roller through the pressing roller. The driving box drives the printing roller to rotate, and the ink brushing roller is driven to rotate through the transmission of the synchronous disk and the synchronous belt. The printing ink stored inside the ink storage box is brushed onto the outer side of the printing roller. The rotating printing roller prints the printing ink on the surface of the plastic packaging bag. The printing quality can be guaranteed through the pressing assembly and the ink brushing assembly, and the production efficiency is improved. Brief Description of the Drawings

[0026] Figure 1 is a perspective view of the present utility model.

[0027] Figure 2 is a sectional view of the present utility model.

[0028] Figure 3 is a sectional view of the column of the present utility model.

[0029] Figure 4 is a schematic diagram of the conveying assembly of the present utility model.

[0030] Figure 5 is a schematic diagram of the ink brushing assembly of the present utility model.

[0031] Figure 6 is a schematic diagram of the pressing assembly of the present utility model.

[0032] As shown in the figure: 1. Base plate; 2. Column; 3. Shaft rod; 31. Printing roller; 4. Driving box; 5. Ink brushing assembly; 51. Ink storage box; 52. Transmission rod; 53. Ink brushing roller; 54. Scraper; 55. Synchronous disk; 56. Synchronous belt; 57. Ink delivery pipe; 6. Pressing assembly; 61. Chute; 62. Limiting rod; 63. Limiting block; 64. Spring; 65. Pressing roller; 7. Conveying assembly; 71. Fixed plate; 72. Conveying roller; 8. Template; 9. Support column. Detailed Description of the Preferred Embodiment

[0033] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. On the contrary, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0035] Embodiment 1:

[0036] As Figures 1 to 6 shown, this embodiment provides a plastic packaging bag printing machine, which includes a bottom plate 1, columns 2, a shaft rod 3, a printing roller 31, a driving box 4, an ink-brushing component 5, a pressing component 6, and a conveying component 7. Columns 2 are fixedly connected to both sides of the middle part of the upper end of the bottom plate 1. A shaft rod 3 for fixing the printing roller 31 is rotatably connected through bearings on the side of the two columns 2 close to each other. A printing roller 31 for printing printing ink on the outside of the plastic packaging bag is fixedly connected to the outside of the shaft rod 3. A driving box 4 is fixedly connected to one side of the shaft rod 3, and the driving box 4 is fixedly connected to one side of the column 2. An ink-brushing component 5 for brushing printing ink onto the outside of the printing roller 31 is installed in the middle part of the upper end of the bottom plate 1. A pressing component 6 for pressing the plastic packaging bag is installed on the side of the two columns 2 close to each other. A conveying component 7 for measuring and conveying the plastic packaging bag is installed on the front and rear sides of the upper end of the bottom plate 1.

[0037] The ink-brushing component 5 includes an ink storage tank 51, a transmission rod 52, an ink-brushing roller 53, a scraper 54, a synchronous disk 55, a synchronous belt 56, and an ink delivery pipe 57. An ink storage tank 51 for storing printing ink is fixedly connected to the middle part of the upper end of the bottom plate 1. A transmission rod 52 is rotatably connected through bearings in the middle part of the inner side of the ink storage tank 51. Both ends of the transmission rod 52 extend to the outside of the column 2, and the connection between the transmission rod 52 and the column 2 is rotatably connected through bearings. An ink-brushing roller 53 for brushing printing ink onto the outside of the printing roller 31 is fixedly connected to the outside of the transmission rod 52. A scraper 54 for scraping off the excess printing ink is fixedly connected to the upper part of the rear end of the inner side of the ink storage tank 51. Synchronous disks 55 for driving the ink-brushing roller 53 to rotate are fixedly connected to one side of the transmission rod 52 and the shaft rod 3 respectively. Synchronous belts 56 are sleeved on the outside of the two synchronous disks 55. An ink delivery pipe 57 for adding printing ink into the ink storage tank 51 is installed on one side of the ink storage tank 51.

[0038] The pressing component 6 includes a sliding groove 61, a limiting rod 62, a limiting block 63, a spring 64 and a pressing roller 65. A sliding groove 61 is opened at the upper ends of the two mutually approaching sides of the two columns 2. A limiting rod 62 for limiting the limiting block 63 is fixedly connected to the middle part inside the sliding groove 61. The limiting block 63 is inserted outside the limiting rod 62, and the limiting block 63 is inserted inside the sliding groove 61. A pressing roller 65 for cooperating with the printing roller 31 is rotatably connected to the mutually approaching sides of the two limiting blocks 63. A spring 64 is installed at the upper end of the limiting block 63, and the spring 64 is sleeved outside the limiting rod 62.

[0039] The conveying component 7 includes a fixing plate 71 and conveying rollers 72. Fixing plates 71 are fixedly connected to both sides of the front and rear parts of the upper end of the bottom plate 1. Four conveying rollers 72 are rotatably connected to the mutually approaching sides of the front and rear fixing plates 71, and the four conveying rollers 72 are staggered with each other.

[0040] A template 8 for printing is fixedly connected to the outside of the printing roller 31.

[0041] Support columns 9 for supporting the device are fixedly connected to both sides of the front and rear parts of the lower end of the bottom plate 1.

[0042] During use, the plastic packaging bag is conveyed to the upper end of the printing roller 31 through the conveying component 7. The pressing roller 65 slides downward under the restriction of the limiting rod 62 and the limiting block 63 by the elastic force of the spring 64. The plastic packaging bag is attached to the upper end of the printing roller 31 through the pressing roller 65. The driving box 4 drives the printing roller 31 to rotate. The inking roller 53 is driven to rotate through the transmission of the synchronous disk 55 and the synchronous belt 56. The printing ink stored inside the ink storage tank 51 is brushed onto the outside of the printing roller 31. The rotating printing roller 31 prints the printing ink onto the surface of the plastic packaging bag.

[0043] The electrical components appearing in this text are all electrically connected to an external main controller and 220V mains electricity. And the main controller can be a conventional known device such as a computer for control. Details of known functions and known components are omitted in the specific implementation manners of the present disclosure. To ensure the compatibility of the device, the operating means adopted are consistent with the parameters of market instruments.

[0044] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic packaging bag printing machine, characterized in that, Comprising: Base plate (1); Columns (2), which are fixedly connected to both sides of the middle part of the upper end of the base plate (1); Shaft rod (3), which rotates on one side where two columns (2) approach each other through bearings; Printing roller (31), which is fixedly connected to the outer side of the shaft rod (3); Drive box (4), which is fixedly connected to one side of the shaft rod (3) and also fixedly connected to one side of the column (2); Ink-brushing assembly (5), which is arranged on one side where two columns (2) approach each other. The ink-brushing assembly (5) includes an ink storage tank (51), a transmission rod (52), an ink-brushing roller (53), a scraper (54), a synchronous disk (55), a synchronous belt (56), and an ink delivery pipe (57). The ink storage tank (51) is fixedly connected to the middle part of the upper end of the base plate (1). The transmission rod (52) is rotatably connected to the middle part inside the ink storage tank (51) through a bearing. One end of the transmission rod (52) extends to both sides of the column (2), and the connection part between the transmission rod (52) and the column (2) is rotatably connected through a bearing. The ink-brushing roller (53) is fixedly connected to the outer side of the transmission rod (52). The scraper (54) is fixedly connected to the upper part of the front end inside the ink storage tank (51). Two synchronous disks (55) are respectively fixedly connected to one side of the shaft rod (3) and the transmission rod (52). The synchronous belt (56) is sleeved on the outer sides of the two synchronous disks (55). The ink delivery pipe (57) is fixedly connected to one side of the ink storage tank (51); Pressing assembly (6), which is arranged on one side where two columns (2) approach each other; Conveying assembly (7), which is arranged on the front and rear sides of the upper end of the base plate (1).

2. The plastic packaging bag printing machine according to claim 1, characterized in that, The pressing assembly (6) includes: Chute (61), which is opened on the upper part of one side where two columns (2) approach each other; Limit rod (62), which is fixedly connected to the middle part inside the chute (61); Limit block (63), which is inserted on the outer side of the limit rod (62) and also inserted inside the chute (61); Spring (64), which is arranged at the upper end of the limit block (63) and sleeved on the outer side of the limit rod (62); Pressing roller (65), which is rotatably connected to one side where two limit blocks (63) approach each other through a bearing.

3. The plastic packaging bag printing machine according to claim 1, wherein, The conveying assembly (7) includes: Fixed plates (71), which are fixedly connected to both sides of the front and rear parts of the upper end of the base plate (1); Conveying rollers (72), and four conveying rollers (72) are rotatably connected to one side where the fixed plates (71) approach each other, and the four conveying rollers (72) are staggered with each other.

4. A plastic packaging bag printing machine according to claim 1, characterized in that, A template (8) is fixedly connected to the outer side of the printing roller (31).

5. A plastic packaging bag printing machine according to claim 1, characterized in that, Support columns (9) are fixedly connected to both the front and rear parts of both sides of the lower end of the base plate (1).

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