Plastic bag printing equipment

Abstract

The utility model relates to the technical field of plastic bag printing, in particular to a plastic bag printing device which comprises a machine shell, a feeding mechanism and a collecting mechanism which are used for conveying plastic bags are installed at the top, close to the corner, of the machine shell, and inlets and outlets for the plastic bags to penetrate through are formed in the top of one end of the machine shell and the side, close to the top of the feeding mechanism, of the machine shell. A partition plate is fixed to the inner wall of the periphery, close to the corner, of the machine shell, a material guiding opening allowing the plastic bags to penetrate through is formed in the partition plate, a plurality of supporting rollers allowing the plastic bags to be laid are installed in the machine shell, and an ink storage box is installed on the inner wall of the bottom of the machine shell. According to the printing device, printing ink is kept uniform, a layer of thick ink is prevented from being printed and dyed on the printing roller and the plastic bag, clear printing is guaranteed, the effect of drying the printed and dyed plastic bag through hot air is achieved, the plastic bag can be rapidly cured and formed in the printing and dyeing process, the dried plastic bag can be ventilated and cooled, and winding operation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bag printing, in particular to plastic bag printing equipment. Background Art

[0002] Plastic bags are a kind of packaging material that we often come into contact with in daily life. They are widely used in various fields such as food, clothing, cosmetics, etc. The printing process of plastic bags is to print various patterns, words or logos on plastic bags to meet the needs of different customers.

[0003] After searching, a plastic bag printing device with patent publication number CN212147942U belongs to the technical field of plastic bag printing equipment, including a frame, a camera is installed on the left side of the frame, a suction pump is detachably connected to the left side of the bottom end of the frame, the suction pump is communicated with the ink tank, the air inlet of the suction pump extends to the inside of the ink tube, an atomizing nozzle is connected to the gap at the bottom end of the ink tube, the atomizing nozzle is located above the ink roller, the ink roller is located on the left side of the drum, an offset printing mold is bonded to the surface of the drum and there are multiple offset printing molds, a humidity sensor is detachably connected to the surface of the frame, and an air pump is installed on the top of the frame.

[0004] In the process of implementing the above scheme, it was found that the following problems in the prior art have not been well solved: when the prior art sprays ink onto the ink roller through an atomizing nozzle, the ink on the ink roller will be uneven, which will cause the ink on the printing cylinder to be uneven. More importantly, when spraying ink, a thick layer of ink will be printed on the ink roller and the printing cylinder, which will cause blurred printing when printing plastic bags. Therefore, it is urgent to design a plastic bag printing device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a plastic bag printing device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A plastic bag printing device comprises a casing, wherein a feeding mechanism and a receiving mechanism for conveying plastic bags are installed at the top of the casing near the corner, an inlet and outlet for the plastic bags to pass through are provided at the top of one end of the casing and one side of the top near the feeding mechanism, a partition is fixed to the inner wall around the casing near the corner, and a material guide port for the plastic bags to pass through is provided on the partition, a plurality of supporting rollers for laying plastic bags are installed in the casing, an ink storage box is installed on the bottom inner wall of the casing, and a through port is provided at the middle position of the top of the ink storage box, a material injection port is provided on one side of the top of the ink storage box, a sealing cover is provided on the material injection port, first mounting holes are provided on both sides of the ink storage box, and the inner wall of the first mounting hole is rotatably connected to a first mounting shaft through a sealing bearing, and the first mounting shaft is rotatably connected to the inner wall of the first mounting hole through a sealing bearing. An ink roller arranged in the through port is installed on a mounting shaft, and a printing material soft sleeve is installed on the outer wall of the ink roller, a support frame is fixed on the top of the ink storage box, and second mounting holes are opened on the top of both sides of the support frame, and the inner wall of the second mounting hole is rotatably connected with the second mounting shaft, and a printing roller is installed on the second mounting shaft, and the printing roller is attached to the bottom surface of the plastic bag and the surface of the printing material soft sleeve, and a rotating mechanism is provided at one end of the second mounting shaft and one end of the first mounting shaft, a support plate is fixed on the inner wall of the support frame, and two sockets are opened on the support plate, and the inner walls of the two sockets are plugged with the same U-shaped frame, an extrusion seat is installed on the bottom end of the U-shaped frame, and the extrusion seat is pressed on the printing material soft sleeve, and springs sleeved on the U-shaped frame are fixed on both sides of the top of the extrusion seat and both sides of the bottom of the support plate.

[0008] Furthermore, the rotating mechanism includes a transmission wheel installed at one end of the first installation shaft and one end of the second installation shaft, and the two transmission wheels are connected by a transmission belt. A motor for driving the first installation shaft and the transmission belt to rotate is installed on one side of the support frame.

[0009] Furthermore, a top frame is installed on the top of the casing, and a wind tube is fixed on the top of the top frame. A dustproof net is installed on the top of the wind tube, and a plurality of heat dissipation holes are opened at the bottom of the top frame and are located directly below the wind tube.

[0010] Furthermore, an air guide frame plugged into the casing is installed on one side of the bottom of the top frame, and a plurality of rows of equally spaced drying air holes are opened on one side of the bottom of the top frame, and the drying air holes are communicated with the air guide frame, a heating component is provided on the air guide frame, and one side of the air guide frame is provided with equally spaced air outlet slots, and the inner wall of the top frame is installed with equally spaced baffles, and the baffles are staggered up and down, and the baffles are located between the drying air holes and the heat dissipation air holes.

[0011] Furthermore, the heating assembly includes a heater installed at one end of the housing, and a heating tube plugged into the air guide frame is installed on one side of the heater.

[0012] Furthermore, an exhaust port is provided on one side of the casing close to the top of the partition, and a protective net is installed on the inner wall of the exhaust port.

[0013] Furthermore, a controller is installed on the outer wall of one end of the casing, and the controller is electrically connected to the feeding mechanism, the receiving mechanism, the heater, the fan and the motor. A transparent door and window are provided on one side of the casing, and universal wheels are installed at the four corners of the bottom of the casing.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In the utility model, the feeding mechanism, the receiving mechanism, the supporting roller, the inlet and outlet are used to transport the plastic bag in the casing, and the rotating mechanism drives the printing roller and the ink roller to rotate, so that the ink roller and the printing material soft sleeve carry the ink in the ink storage box and attach it to the printing roller, which is convenient for printing the plastic bag, and can keep the ink on the printing roller uniform. At the same time, the printing material soft sleeve can be squeezed by the squeezing seat to avoid the printing material soft sleeve carrying too much ink, and prevent the printing roller from being printed with a thick layer of ink, thereby ensuring clear printing.

[0016] In the utility model, a part of the air flow is heated by using a fan, a drying air hole, an air guide frame, a heating component and an air outlet slot, and then blown onto the printed and dyed plastic bag, so as to achieve the effect of hot air drying of the printed and dyed plastic bag, so that the printing and dyeing process can be quickly solidified and formed, and another part of the natural air flow is blown onto the dried plastic bag through the heat dissipation air hole, so that the dried plastic bag can be ventilated and cooled, which is convenient for the subsequent winding operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure is a schematic diagram of the overall structure of a plastic bag printing device.

[0018] Figure 2 The present invention is a front cross-sectional view of a plastic bag printing device.

[0019] Figure 3 The present invention is a schematic diagram of the air outlet slot and material guide port structure of a plastic bag printing device.

[0020] Figure 4 The present invention is a schematic diagram of the top frame and air guide frame structure of a plastic bag printing device.

[0021] Figure 5 The present invention is a schematic diagram of the structure of an ink storage box and a printing material soft sleeve of a plastic bag printing device.

[0022] Figure 6 The present invention is a front sectional view of an ink storage tank of a plastic bag printing device.

[0023] In the figure: 1. casing; 2. transparent doors and windows; 3. feeding mechanism; 4. receiving mechanism; 5. top frame; 6. air duct; 7. dust screen; 8. heater; 9. controller; 10. protective net; 11. ink storage box; 12. ink roller; 13. printing roller; 14. heat dissipation vents; 15. fan; 16. baffle; 17. drying vents; 18. heating pipe; 19. air guide frame; 20. exhaust vent; 21. partition; 22. support roller; 23. inlet and outlet; 24. air outlet slot; 25. material guide port; 26. support frame; 27. transmission belt; 28. motor; 29. ​​printing material soft cover; 30. support plate; 31. through port; 32. extrusion seat; 33. spring; 34. U-shaped frame. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 6In an embodiment of the utility model, a plastic bag printing device comprises a housing 1, a feeding mechanism 3 and a receiving mechanism 4 for conveying plastic bags are installed at the top of the housing 1 near the corner, an inlet and outlet 23 for plastic bags to pass through are opened at the top of one end of the housing 1 and one side of the top near the feeding mechanism 3, a partition 21 is fixed to the inner wall around the corner of the housing 1, and a guide port 25 for plastic bags to pass through is opened on the partition 21, a plurality of support rollers 22 for laying plastic bags are installed in the housing 1, an ink storage box 11 is installed on the bottom inner wall of the housing 1, and a through port is opened at the middle position of the top of the ink storage box 11 31, a material injection port is provided on one side of the top of the ink storage box 11, and a sealing cover is provided on the material injection port. First mounting holes are provided on both sides of the ink storage box 11, and the inner wall of the first mounting hole is rotatably connected to a first mounting shaft through a sealing bearing, an ink roller 12 arranged in the through port 31 is installed on the first mounting shaft, and a printing material soft sleeve 29 is installed on the outer wall of the ink roller 12, a support frame 26 is fixed on the top of the ink storage box 11, and second mounting holes are provided on the top of both sides of the support frame 26, and the inner wall of the second mounting hole is rotatably connected to a second mounting shaft, and a printing roller 13 is installed on the second mounting shaft, and the printing roller 13 is attached to the bottom of the plastic bag The surface of the printing material soft sleeve 29 is fixed to the inner wall of the support frame 26, and two sockets are provided on the support plate 30. The inner walls of the two sockets are plugged with the same U-shaped frame 34. The bottom end of the U-shaped frame 34 is installed with an extrusion seat 32, and the extrusion seat 32 is pressed tightly on the printing material soft sleeve 29. On the top, springs 33 mounted on the U-shaped frame 34 are fixed on both sides of the top of the extrusion seat 32 and both sides of the bottom of the support plate 30. The printing roller 13 and the ink roller 12 are driven to rotate by the rotating mechanism, so that the ink roller 12 and the printing material soft sleeve 29 carry the ink in the ink storage box 11 and attach it to the printing roller 13, which is convenient for printing on the plastic bag and can keep the ink on the printing roller 13 uniform. At the same time, the printing material soft sleeve 29 can be squeezed by the extrusion seat 32 to avoid the printing material soft sleeve 29 from carrying too much ink, thereby preventing the printing roller 13 and the plastic bag from being printed with a thick layer of ink, thereby ensuring clear printing.

[0026] Specifically, a top frame 5 is installed on the top of the casing 1, and a wind tube 6 is fixed on the top of the top frame 5, a dustproof net 7 is installed on the top of the wind tube 6, and a plurality of heat dissipation holes 14 are opened at the bottom of the top frame 5 and located directly below the wind tube 6. A part of the natural air flow is blown onto the dried plastic bags through the heat dissipation holes 14, so that the dried plastic bags can be ventilated and cooled, which is convenient for the rolling operation.

[0027] Specifically, an air guide frame 19 plugged into the housing 1 is installed on one side of the bottom of the top frame 5, and a plurality of rows of equally spaced drying air holes 17 are provided on one side of the bottom of the top frame 5, and the drying air holes 17 are communicated with the air guide frame 19, a heating component is provided on the air guide frame 19, and an equally spaced air outlet slot 24 is provided on one side of the air guide frame 19, baffles 16 are installed on the inner wall of the top frame 5 at equal distances, and the baffles 16 are staggered up and down, and the baffles 16 are located between the drying air holes 17 and the heat dissipation air holes 14, and the heating component includes a heater installed at one end of the housing 1 8, and a heating tube 18 plugged into an air guide frame 19 is installed on one side of the heater 8, an exhaust port 20 is opened on one side of the casing 1 close to the top of the partition 21, and a protective net 10 is installed on the inner wall of the exhaust port 20. After printing is completed, the fan 15 is used to blow air into the top frame 5, and the heater 8 and the heating tube 18 in the heating assembly are used to heat the air guide frame 19, so that a part of the air flow is heated and blown onto the printed plastic bags through the air outlet slot 24, so as to realize hot air drying of the printed plastic bags, so that the printing and dyeing process can be quickly solidified and formed.

[0028] Specifically, a controller 9 is installed on the outer wall of one end of the casing 1, and the controller 9 is electrically connected to the feeding mechanism 3, the receiving mechanism 4, the heater 8, the fan 15 and the motor 28. A transparent door and window 2 is provided on one side of the casing 1, and universal wheels are installed at the four corners of the bottom of the casing 1 to facilitate the control of the operation of the entire printing equipment through the controller 9.

[0029] The working principle of the utility model is as follows: when in use, the user conveys the plastic bag in the housing 1 through the feeding mechanism 3, the receiving mechanism 4, the supporting roller 22, and the inlet and outlet 23, and drives the transmission belt 27, the first installation shaft, the second installation shaft, the ink roller 12, the printing material soft sleeve 29 and the printing roller 13 to rotate through the motor 28 in the rotating mechanism, and utilizes the rotating ink roller 12 and the printing material soft sleeve 29 to carry the ink in the ink storage box 11 out and attach it to the printing roller 13, and at the same time, the printing material soft sleeve 29 is squeezed by the squeezing seat 32 to prevent the printing material soft sleeve 29 from carrying too much ink, thereby realizing the printing operation on the plastic bag. , so that the printing is uniform, and a thick layer of ink is prevented from being printed on the plastic bag, ensuring clear printing. After printing is completed, the user uses the fan 15 to blow air into the top frame 5, and heats the air guide frame 19 through the heater 8 and the heating tube 18 in the heating component, so that a part of the air flow is heated and blown onto the printed plastic bag through the air outlet slot 24, so as to realize hot air drying of the printed plastic bag, so that the printing and dyeing process can be quickly solidified and formed, and at the same time, another part of the natural air flow is blown onto the dried plastic bag through the heat dissipation air hole 14, which can ventilate and cool the dried plastic bag, making it convenient for the winding operation.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A plastic bag printing device, comprising a housing (1), characterized in that: A feeding mechanism (3) and a receiving mechanism (4) for conveying plastic bags are installed on the top of the casing (1) near the corner. An inlet and outlet (23) for passing plastic bags are provided on the top of one end of the casing (1) and on one side of the top near the feeding mechanism (3). A partition (21) is fixed to the inner wall around the corner of the casing (1), and a guide port (25) for passing plastic bags is provided on the partition (21). A plurality of guide ports (25) for passing plastic bags are installed in the casing (1). The ink storage box (11) is installed on the inner wall of the bottom of the housing (1), and a through opening (31) is provided at the middle position of the top of the ink storage box (11), a material injection port is provided on one side of the top of the ink storage box (11), and a sealing cover is provided on the material injection port, first mounting holes are provided on both sides of the ink storage box (11), and the inner wall of the first mounting hole is rotatably connected to a first mounting shaft through a sealing bearing, and a sealing cover provided on the through opening (31) is provided on the first mounting shaft. The ink roller (12) is provided in the ink storage box (11), and the outer wall of the ink roller (12) is provided with a printing material soft sleeve (29). The top of the ink storage box (11) is fixed with a support frame (26), and the tops of both sides of the support frame (26) are provided with second mounting holes. The inner wall of the second mounting hole is rotatably connected with a second mounting shaft, and the second mounting shaft is provided with a printing roller (13). The printing roller (13) is attached to the bottom surface of the plastic bag and the surface of the printing material soft sleeve (29). One end of the second mounting shaft and one end of the first mounting shaft are provided with A rotating mechanism is provided, a supporting plate (30) is fixed to the inner wall of the supporting frame (26), and two insertion holes are provided on the supporting plate (30), and the inner walls of the two insertion holes are plugged with the same U-shaped frame (34), an extrusion seat (32) is installed at the bottom end of the U-shaped frame (34), and the extrusion seat (32) is pressed tightly on the printing material soft sleeve (29), and springs (33) sleeved on the U-shaped frame (34) are fixed on both sides of the top of the extrusion seat (32) and both sides of the bottom of the supporting plate (30).

2. A plastic bag printing device according to claim 1, characterized in that: The rotating mechanism comprises a transmission wheel installed at one end of the first installation shaft and one end of the second installation shaft, and the two transmission wheels are connected by a transmission belt (27). A motor (28) for driving the first installation shaft and the transmission belt (27) to rotate is installed on one side of the support frame (26).

3. A plastic bag printing device according to claim 2, characterized in that: A top frame (5) is installed on the top of the casing (1), and a wind tube (6) is fixed on the top of the top frame (5), a dustproof net (7) is installed on the top of the wind tube (6), and a plurality of heat dissipation holes (14) are opened at the bottom of the top frame (5) and are located directly below the wind tube (6).

4. The plastic bag printing device according to claim 3, characterized in that: An air guide frame (19) plugged into the housing (1) is installed on one side of the bottom of the top frame (5), and a plurality of rows of drying air holes (17) distributed at equal distances are provided on one side of the bottom of the top frame (5), the drying air holes (17) are communicated with the air guide frame (19), a heating component is provided on the air guide frame (19), and an air outlet slot (24) distributed at equal distances is provided on one side of the air guide frame (19), and baffles (16) distributed at equal distances are installed on the inner wall of the top frame (5), and the baffles (16) are staggered up and down, and the baffles (16) are located between the drying air holes (17) and the heat dissipation air holes (14).

5. The plastic bag printing device according to claim 4, characterized in that: The heating component comprises a heater (8) installed at one end of the housing (1), and a heating tube (18) inserted into an air guide frame (19) is installed on one side of the heater (8).

6. A plastic bag printing device according to claim 5, characterized in that: An exhaust port (20) is provided on one side of the casing (1) close to the top of the partition plate (21), and a protective net (10) is installed on the inner wall of the exhaust port (20).

7. The plastic bag printing device according to claim 6, characterized in that: A controller (9) is installed on the outer wall of one end of the casing (1), and the controller (9) is electrically connected to the feeding mechanism (3), the receiving mechanism (4), the heater (8), the fan (15) and the motor (28). A transparent door and window (2) is provided on one side of the casing (1), and universal wheels are installed at the four corners of the bottom of the casing (1).

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