Double-sided printing equipment for paper-plastic composite material

Abstract

The utility model discloses a paper-plastic composite material double-sided printing device which comprises two parallel double-sided printing machine side plate shells, a lower ink roller, a connecting shaft head and a connecting shaft tail, the two double-sided printing machine side plate shells are connected with the two ends of the lower ink roller respectively, and the connecting shaft head comprises a key shaft and a shaft barrel. The connecting shaft tail comprises a semicircular guide cylinder, a limiting cylinder and a circular shaft, the semicircular guide cylinder is fixedly connected with a side plate shell of the double-sided printing machine, the circular shaft is fixedly connected with a lower ink roller, and the limiting cylinder is installed in the semicircular guide cylinder in a sliding mode through a second bearing; according to the double-sided printing equipment for the paper-plastic composite material, a key shaft in the connecting shaft head and a key groove in the shaft barrel are positioned and mounted, a semicircular guide barrel in the connecting shaft tail is matched to position and guide a limiting barrel, a circular shaft is in limiting connection with a guide hole in the limiting barrel, and a semicircular clamp and a bolt are used for limiting and clamping a second bearing on the limiting barrel; therefore, the installation of the lower ink roller is completed and the operation is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of paper-plastic composite materials, in particular to a double-sided printing device for paper-plastic composite materials. Background Art

[0002] Paper-plastic composite materials are made of plastic and kraft paper and are widely used in plastic raw materials, cement, feed, chemical, fertilizer and other industries. Double-sided printing equipment is usually used to print paper-plastic composite materials on both sides. As we all know, the ink roller in the double-sided printing equipment is generally disassembled regularly once every half a month. The main purpose is to check the status of the ink roller and clean the surface of the ink roller.

[0003] However, generally, bearings are fixedly installed at both ends of the ink roller, and the bearings are fixedly installed in the clamps on the frame of the double-sided printing equipment by bolts. That is, after the two ends of the ink roller are positioned and installed in the two clamps at the preset positions, two bolts are required to fix the two clamps respectively, and the installation process is relatively complicated. Utility Model Content

[0004] The utility model aims to solve the problem of complicated installation process of ink rollers used in double-sided printing equipment in the prior art, and proposes a double-sided printing equipment for paper-plastic composite materials.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A double-sided printing device for paper-plastic composite materials, comprising two mutually parallel double-sided printing machine side plate housings and an ink lowering roller, wherein the two double-sided printing machine side plate housings are respectively connected to two ends of the ink lowering roller, and further comprising:

[0007] A connecting shaft head is arranged at one end of the lower ink roller, and the connecting shaft head comprises a key shaft and a shaft cylinder;

[0008] The connecting shaft tail is arranged at the other end of the lower ink roller, and the connecting shaft tail includes a semicircular guide cylinder, a limiting cylinder and a round shaft. The semicircular guide cylinder is fixedly connected to the side plate shell of the double-sided printing machine, the round shaft is fixedly connected to the lower ink roller, and the limiting cylinder is slidably installed in the semicircular guide cylinder through bearing 2.

[0009] Preferably, a semicircular clamp is rotatably mounted on one side of the semicircular guide cylinder, and a limiting groove is provided on the inner side of the semicircular clamp.

[0010] Preferably, a fixing block 1 and a fixing block 2 are fixedly provided on the semicircular guide cylinder and the semicircular clamp, respectively.

[0011] Preferably, an internal thread block is rotatably mounted on the first fixing block, a bolt is threadedly mounted on the internal thread block, and a groove corresponding to the bolt is provided on the second fixing block.

[0012] Preferably, the key shaft is fixedly connected to the lower ink roller, and the shaft cylinder is rotatably connected to the side plate housing of the double-sided printing press via a bearing 1.

[0013] Preferably, a keyway engaged with the key shaft is provided in the shaft cylinder, and a limiting hole engaged with the round shaft is provided at one end of the limiting cylinder.

[0014] Compared with the prior art, the utility model provides a double-sided printing device for paper-plastic composite materials, which has the following beneficial effects:

[0015] The double-sided printing device of the paper-plastic composite material can complete the installation of the lower ink roller, the lower rubber roller, the lower printing roller, the upper ink roller, the upper rubber roller or the upper printing roller by positioning and installing the key shaft in the connecting shaft head and the key groove in the shaft cylinder, and then cooperating with the positioning and guiding of the limiting cylinder by the semicircular guide cylinder in the connecting shaft tail, the limiting connection between the round shaft and the guide hole in the limiting cylinder, and the limiting clamping of the second bearing on the limiting cylinder by the semicircular clamp and a bolt. In simple terms, one end of the lower ink roller is inserted into the key groove, and the limiting cylinder is sleeved on the other end of the lower ink roller. Finally, the semicircular clamp is tightened by bolts to cover the outer periphery of the second bearing, so that the installation of the lower ink roller can be completed. That is, the application only needs to tighten one bolt after the lower ink roller is positioned and installed, and the installation of the ink roller can be completed, and the operation is simpler. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a double-sided printing device for paper-plastic composite materials proposed by the utility model;

[0017] Figure 2 This is a cross-sectional view of a double-sided printing device for a paper-plastic composite material proposed by the utility model;

[0018] Figure 3 This is a structural schematic diagram of a connecting shaft head and a connecting shaft tail in a double-sided printing device for paper-plastic composite materials proposed by the utility model;

[0019] Figure 4 The utility model discloses an exploded view of a connecting shaft head and a connecting shaft tail in a double-sided printing device of a paper-plastic composite material.

[0020] In the figure: 1. double-sided printing press side panel housing; 2. lower ink tank body; 3. upper ink tank body; 4. lower ink roller; 5. lower rubber roller; 6. lower printing roller; 7. upper ink roller; 8. upper rubber roller; 9. upper printing roller; 10. paper-plastic composite paper; 11. gear one; 12. gear two; 13. gear three; 14. gear four; 15. gear five; 16. key shaft; 17. bearing one; 18. semicircular guide cylinder; 19. limit cylinder; 20. semicircular clamp; 21. fixed block one; 22. shaft cylinder; 23. keyway; 24. round shaft; 25. bearing two; 26. limit groove; 27. internal thread block; 28. bolt; 29. ​​fixed block two; 30. groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] Reference Figure 1-4 A double-sided printing device for paper-plastic composite materials comprises two mutually parallel double-sided printing machine side plate shells 1, wherein the two double-sided printing machine side plate shells 1 are rotated from bottom to top and are equipped with mutually parallel lower ink rollers 4, lower glue rollers 5, lower printing rollers 6, upper printing rollers 9, ink rollers 7 and upper glue rollers 8, wherein the outer sides of the lower ink rollers 4, lower glue rollers 5 and lower printing rollers 6 are pressed and contacted in sequence, and the outer sides of the ink rollers 7, upper glue rollers 8 and upper printing rollers 9 are pressed and contacted in sequence, and the ink rollers 7 and the double-sided printing machine side plate shells 1 are perpendicular to each other.

[0024] In this embodiment, a paper-plastic composite paper 10 is extruded and connected between the lower printing roller 6 and the upper printing roller 9, a lower ink tank body 2 is arranged below the lower ink roller 4, and an upper ink tank body 3 is arranged below the upper ink roller 7, the lower ink tank body 2 and the upper ink tank body 3 are both fixedly connected to the two double-sided printing machine side panel shells 1, ink is arranged in the lower ink tank body 2 and the upper ink tank body 3, and the lower end of the upper ink roller 7 and the ink in the upper ink tank body 3 are in contact with each other, and the lower end of the lower ink roller 4 and the ink in the lower ink tank body 2 are in contact with each other.

[0025] In this embodiment, the ends of the lower printing roller 6 and the upper printing roller 9 are fixedly connected with gear 11, and the two gears 11 are meshed with each other. The upper gear 11 is meshed with gear 2 12 at the upper part, and gear 2 12 is fixedly connected to the end of the upper glue roller 8. The gear 2 12 is meshed with gear 3 13 at the lower part, and gear 3 13 is fixedly connected to the end of the ink roller 7. The lower gear 11 is meshed with gear 4 14 at the lower part, and gear 4 14 is fixedly connected to the end of the lower glue roller 5. The gear 4 14 is meshed with gear 5 15 at the lower part, and gear 5 15 is fixedly connected to the end of the lower ink roller 4.

[0026] In this embodiment, the two ends of the lower ink roller 4, the lower glue roller 5, the lower printing roller 6, the upper ink roller 7, the upper glue roller 8 and the upper printing roller 9 are respectively provided with a connecting shaft head and a connecting shaft tail;

[0027] The connecting shaft head is composed of a key shaft 16, a bearing 17 and a shaft cylinder 22, the outer ring of the bearing 17 is fixedly connected to the double-sided printing press side plate housing 1, the outer periphery of the key shaft 16 is provided with a circle of densely arranged guide patterns, the guide patterns and the central axis of the key shaft 16 are parallel to each other, the inner ring of the bearing 17 is fixedly connected to the outer periphery of the shaft cylinder 22, the shaft cylinder 22 is provided with a key groove 23 that matches the key shaft 16, the key shaft 16 and the key groove 23 are slidably connected, that is, one end of the lower ink roller 4, the lower rubber roller 5, the lower printing roller 6, the ink roller 7, the upper rubber roller 8, and the upper printing roller 9 are all fixedly installed with a key shaft 16, the key shaft 16 is rotatably connected to the double-sided printing press side plate housing 1 through the bearing 17, and two gears 11, gear 2 12, gear 3 13, gear 4 14, and gear 5 15 are all fixedly connected with a key groove 23;

[0028] The connecting shaft tail includes a round shaft 24, a semicircular guide cylinder 18, a semicircular clamp 20, a bearing 25 and a limiting cylinder 19. The semicircular guide cylinder 18 is fixedly connected to the double-sided printing press side plate housing 1. The bearing 25 is slidably installed in the semicircular groove in the semicircular guide cylinder 18. The semicircular clamp 20 is rotatably installed on the upper end of the semicircular guide cylinder 18. The inner ring of the semicircular clamp 20 is provided with a limiting groove 26 that is mutually engaged with the outer ring of the bearing 25. The end of the limiting cylinder 19 is provided with a limiting hole that is mutually engaged with the round shaft 24. The inner ring of the bearing 25 is fixedly connected to the outer wall of the limiting cylinder 19. A round shaft 24 is fixedly installed at one end of the lower ink roller 4, the lower rubber roller 5, the lower printing roller 6, the upper ink roller 7, the upper rubber roller 8, and the upper printing roller 9.

[0029] A fixing block 1 21 and a fixing block 29 are fixedly arranged on the semicircular guide cylinder 18 and the semicircular clamp 20 respectively. An internal thread block 27 is rotatably installed on the fixing block 1 21. The internal thread of the internal thread block 27 is connected with a bolt 28. A toggle is vertically fixedly installed on the top of the bolt 28. A groove 30 is arranged at the end of the fixing block 29. The outer diameter of the bolt 28 is the same as the inner width of the groove 30.

[0030] It should be added that the horizontal spacing between the shaft cylinder 22 in the connecting shaft head and the semicircular clamp 20 in the connecting shaft tail is set to a, and the horizontal longest distance between the key shaft 16 in the connecting shaft head and the round shaft 24 in the connecting shaft tail is set to b, and a is greater than b, that is, the lower ink roller 4, the lower rubber roller 5, the lower printing roller 6, the ink roller 7, the rubber roller 8 and the upper printing roller 9 can all be easily inserted between the connecting shaft head and the connecting shaft tail.

[0031] In the present invention, the replacement process of the lower ink roller 4, the lower rubber roller 5, the lower printing roller 6, the upper ink roller 7, the upper rubber roller 8 and the upper printing roller 9 is as follows:

[0032] Specifically take the ink roller 4 as an example;

[0033] First, insert the key shaft 16 at one end of the ink roller 4 into the key groove 23 in the shaft cylinder 22, connect the ink roller 4, the shaft cylinder 22 and the gear 5 15 coaxially, and align the circular shaft 24 with the semicircular guide cylinder 18;

[0034] Then, the limiting cylinder 19 is pulled along the semicircular guide cylinder 18 to approach the circular shaft 24 until the limiting hole in the limiting cylinder 19 abuts against the circular shaft 24, and when the limiting cylinder 19 presses against the circular shaft 24 at one end of the lower ink roller 4, the limiting groove 26 in the semicircular clamp 20 and the bearing 2 25 on the limiting cylinder 19 correspond to each other;

[0035] Then pull down the semicircular clamp 20 to clamp the limiting groove 26 in the semicircular clamp 20 on the outer ring of the second bearing 25;

[0036] Finally, the upper end of the bolt 28 is passed through the groove 30 and tightened on the fixing block 29, and the semicircular guide cylinder 18 and the semicircular clamp 20 are squeezed and installed on the periphery of the bearing 25, thereby completing the installation of the ink roller 4;

[0037] Simply put, one end of the ink roller 4 is inserted into the keyway 23, and then the limiting cylinder 19 is sleeved on the other end of the ink roller 4. Finally, the semicircular clamp 20 is tightened by the bolt 28 to cover the outer periphery of the bearing 25, and the installation of the ink roller 4 is completed. The operation is simple.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A double-sided printing device for paper-plastic composite materials, comprising two mutually parallel double-sided printing machine side plate housings (1) and an ink lowering roller (4), wherein the two double-sided printing machine side plate housings (1) are respectively connected to the two ends of the ink lowering roller (4), characterized in that: Also includes: A connecting shaft head is arranged at one end of the lower ink roller (4), and the connecting shaft head comprises a key shaft (16) and a shaft cylinder (22); The connecting shaft tail is arranged at the other end of the ink lower roller (4), and the connecting shaft tail comprises a semicircular guide cylinder (18), a limiting cylinder (19) and a round shaft (24); the semicircular guide cylinder (18) is fixedly connected to the side plate housing (1) of the double-sided printing machine, the round shaft (24) is fixedly connected to the ink lower roller (4), and the limiting cylinder (19) is slidably installed in the semicircular guide cylinder (18) through a second bearing (25).

2. A double-sided printing device for paper-plastic composite materials according to claim 1, characterized in that: A semicircular clamp (20) is rotatably mounted on one side of the semicircular guide cylinder (18), and a limiting groove (26) is provided on the inner side of the semicircular clamp (20).

3. A double-sided printing device for paper-plastic composite materials according to claim 2, characterized in that: A fixing block 1 (21) and a fixing block 2 (29) are respectively fixedly arranged on the semicircular guide cylinder (18) and the semicircular clamp (20).

4. The double-sided printing device for paper-plastic composite material according to claim 3, characterized in that: An internal thread block (27) is rotatably mounted on the fixing block 1 (21), a bolt (28) is threadedly mounted on the internal thread block (27), and a groove (30) corresponding to the bolt (28) is provided on the fixing block 2 (29).

5. The double-sided printing device for paper-plastic composite material according to claim 1, characterized in that: The key shaft (16) and the ink lower roller (4) are fixedly connected, and the shaft cylinder (22) is rotatably connected to the double-sided printing machine side plate housing (1) via a bearing 1 (17).

6. The double-sided printing device for paper-plastic composite material according to claim 1, characterized in that: The shaft cylinder (22) is provided with a key groove (23) which interlocks with the key shaft (16), and one end of the limiting cylinder (19) is provided with a limiting hole which interlocks with the circular shaft (24).

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