Ink table lifting structure of photogravure press

Abstract

The utility model relates to a photogravure press ink table, in particular to a photogravure press ink table lifting structure which comprises a rack, a square cylinder is fixedly connected to the interior of the rack, a lifting rack is slidably connected to the interior of the square cylinder, an ink table is fixedly connected to the upper end of the lifting rack, and an ink groove is formed in the upper end of the ink table. An auxiliary supporting column is fixedly connected to the middle of the lower end of the ink table, and a clamping mechanism used for clamping and fixing the auxiliary supporting column is arranged in the middle of the interior of the square cylinder. A second rotating shaft is rotationally connected into the square cylinder, and a lifting gear is fixedly connected to the circumferential surface of the second rotating shaft; and a power mechanism for providing power for the second rotating shaft is arranged in the right end of the square cylinder. By arranging the auxiliary supporting column and the clamping mechanism, the ink table can be supported through the auxiliary supporting column, so that stress between the lifting rack and the lifting gear is reduced, and abrasion between the lifting rack and the lifting gear is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gravure printing machine ink platform, especially a gravure printing machine ink platform lifting structure. BACKGROUND

[0002] Gravure printing is a common printing method, and its basic principle is to fill ink into the recessed part of the gravure cylinder, and then scrape off the excess ink by a doctor blade, and keep the ink in the recessed part. In the printing process, the gravure cylinder is in contact with the printing material and a certain pressure is applied, so that the ink in the recessed part is transferred to the printing material, thereby completing the printing. The ink platform lifting structure plays an important role in the gravure printing machine, which is mainly used to adjust the height of the ink platform to adapt to different diameters of the gravure cylinder or different thicknesses of the printing material.

[0003] The existing ink platform lifting structure uses a gear to drive a rack to move up and down, thereby adjusting the height of the ink platform. After adjustment, the support of the ink platform is realized by the meshing of the rack and the gear. However, the wear between the gear and the rack is aggravated during the support process, thereby affecting the service life. SUMMARY

[0004] The utility model aims at providing a gravure printing machine ink platform lifting structure, which can stably support the ink platform and reduce the wear between the lifting gear and the lifting rack.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a gravure printing machine ink platform lifting structure, which comprises a rack, a square cylinder is fixedly connected inside the rack, a lifting rack is slidably connected inside the square cylinder, an ink platform is fixedly connected to the upper end of the lifting rack, an ink groove is arranged at the upper end of the ink platform, an auxiliary support column is fixedly connected to the middle position of the lower end of the ink platform, the lower end of the auxiliary support column penetrates through the square cylinder and is slidably connected with the square cylinder, a clamping mechanism for clamping and fixing the auxiliary support column is arranged at the middle position inside the square cylinder; the lifting rack is provided with two and is symmetrically distributed on both sides of the auxiliary support column; a second rotating shaft is rotatably connected inside the square cylinder, a lifting gear is fixedly connected to the circumferential surface of the second rotating shaft, and the lifting gear is meshed with the lifting rack; a power mechanism is arranged inside the right end of the square cylinder to provide power for the second rotating shaft.

[0006] Optionally, the clamping mechanism comprises a bidirectional threaded rod, a first handle, a guide rod, a moving block and a clamping plate, the inside of the square cylinder is rotationally connected with the bidirectional threaded rod, the circumference of the bidirectional threaded rod is threadedly connected with the moving block, one end of the moving block close to the auxiliary support column is fixedly connected with the clamping plate, the inside of the other end of the moving block away from the auxiliary support column is slidably connected with the guide rod, and the guide rod is fixedly connected with the square cylinder.

[0007] Optionally, two moving blocks are symmetrically arranged on the bidirectional threaded rod, and the internal threads of the two moving blocks are oppositely threaded.

[0008] Optionally, the power mechanism comprises a second handle, a first rotating shaft, a worm and a worm wheel, the inside of the square cylinder is rotationally connected with the first rotating shaft, the circumference of the first rotating shaft is fixedly connected with the worm, the upper end of the worm is engaged with the worm wheel, the worm wheel is fixedly connected with the second rotating shaft, and the two ends of the first rotating shaft are fixedly connected with the second handle.

[0009] Optionally, the inside of the square cylinder is fixedly connected with a limiting groove, the inside of the limiting groove is slidably connected with a limiting strip, and the limiting strip is fixedly connected with the lifting rack.

[0010] Optionally, the upper end face of the ink platform is provided with a mounting hole, the inside of the mounting hole is movably provided with a threaded rod, the upper end of the threaded rod is fixedly connected with the ink groove, and the circumference of the threaded rod is threadedly connected with a nut.

[0011] Compared with the prior art, the utility model has the advantages of the following:

[0012] The utility model discloses a kind of auxiliary support columns and clamping mechanisms, when the height of ink platform is adjusted, using clamping mechanism to release the clamping and fixation of support column, then power mechanism works, under the cooperation of lifting gear and lifting rack, ink platform is moved up and down, so as to realize the adjustment of the height of ink platform;After adjusting, using clamping mechanism to clamp and fix auxiliary support column, so that auxiliary support column can support ink platform, so as to reduce the stress between lifting rack and lifting gear, in turn reduce the wear between lifting rack and lifting gear, beneficial to prolong the service life of lifting rack and lifting gear. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor.

[0014] Figure 1 It is the first view overall structure schematic view of the utility model;

[0015] Figure 2 It is the second view overall structure schematic view of the utility model;

[0016] Figure 3 It is the utility model Figure 2 The enlarged structure schematic view of A place in the middle;

[0017] Figure 4 It is the first view partial section structure schematic view of the utility model;

[0018] Figure 5 It is the utility model Figure 4 The enlarged structure schematic view of B place in the middle;

[0019] Figure 6 It is the second view partial section structure schematic view of the utility model;

[0020] Figure 7 It is the utility model Figure 6 The enlarged structure schematic view of C place in the middle.

[0021] In the figure: 1, rack;2, square cylinder;3, ink platform;4, ink groove;5, auxiliary support column;6, clamping mechanism;601, bidirectional threaded rod;602, first handle;603, guide rod;604, moving block;605, clamping plate;7, power mechanism;701, second handle;702, first rotating shaft;703, worm;704, worm wheel;8, lifting rack;9, mounting hole;10, threaded rod;11, nut;12, second rotating shaft;13, lifting gear;14, limiting strip;15, limiting groove. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model more clear and apparent, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0023] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0024] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] Reference Figures 1-7 A kind of gravure printing machine ink table lifting structure provided by the embodiment of the present application will be described now. The gravure printing machine ink table lifting structure, including rack 1, square cylinder 2 is fixedly connected in the inside of rack 1, lifting rack 8 is slidably connected in the inside of square cylinder 2, ink table 3 is fixedly connected to the upper end of lifting rack 8, ink groove 4 is arranged in the upper end of ink table 3, auxiliary support column 5 is fixedly connected to the middle position of the lower end of ink table 3, the lower end of auxiliary support column 5 penetrates square cylinder 2, and is slidably connected between auxiliary support column 5 and square cylinder 2, clamping mechanism 6 for clamping and fixing auxiliary support column 5 is arranged in the middle position of the inside of square cylinder 2;Lifting rack 8 is provided with two, and is symmetrically distributed on the two sides of auxiliary support column 5;Second shaft 12 is rotatably connected in the inside of square cylinder 2, lifting gear 13 is fixedly connected to the circumference of second shaft 12, lifting gear 13 is engaged with lifting rack 8;Power mechanism 7 for providing power for second shaft 12 is arranged in the inside of the right end of square cylinder 2.

[0027] When using, when adjusting the height of ink table 3, first use clamping mechanism 6 to release the clamping of auxiliary support column 5, then power mechanism 7 works, drives second shaft 12 to rotate, and then drives ink table 3 to move up and down under the cooperation of lifting gear 13 and lifting rack 8, so as to realize the purpose of adjusting the height of ink table 3, after the height of ink table 3 is adjusted, clamping mechanism 6 is used to clamp and fix auxiliary support column 5, so that auxiliary support column 5 can support ink table 3, so as to reduce the stress between lifting rack 8 and lifting gear 13, and then reduce the wear between lifting rack 8 and lifting gear 13, which is beneficial to prolong the service life of lifting rack 8 and lifting gear 13.

[0028] The clamping mechanism 6 comprises a bidirectional threaded rod 601, a first handle 602, a guide rod 603, a moving block 604 and a clamping plate 605, the inside of the square cylinder 2 is rotationally connected with the bidirectional threaded rod 601, the circumferential surface of the bidirectional threaded rod 601 is threadedly connected with the moving block 604, the one end of the moving block 604 close to the auxiliary support column 5 is fixedly connected with the clamping plate 605, the inside of the one end of the moving block 604 away from the auxiliary support column 5 is slidingly connected with the guide rod 603, and the guide rod 603 is fixedly connected between the guide rod 603 and the square cylinder 2; the two ends of the bidirectional threaded rod 601 are fixedly connected with the first handle 602; the moving block 604 is provided with two and is symmetrically distributed on the bidirectional threaded rod 601, the internal threads of the two moving blocks 604 are opposite in thread direction, in working, the first handle 602 is rotated, the moving block 604 is driven to slide on the guide rod 603 under the cooperation of the bidirectional threaded rod 601, and then the clamping plate 605 is driven to move, when the clamping plate 605 moves towards each other, the clamping and fixing of the auxiliary support column 5 can be realized, and the auxiliary support column 5 is beneficial to supporting the ink table 3.

[0029] The power mechanism 7 comprises a second handle 701, a first rotating shaft 702, a worm 703 and a worm wheel 704, the inside of the square cylinder 2 is rotationally connected with the first rotating shaft 702, the circumferential surface of the first rotating shaft 702 is fixedly connected with the worm 703, the upper end of the worm 703 is engaged with the worm wheel 704, the worm wheel 704 is fixedly connected between the worm wheel 704 and the second rotating shaft 12, and the two ends of the first rotating shaft 702 are fixedly connected with the second handle 701, in working, the second handle 701 is rotated, the worm 703 is driven to rotate under the cooperation of the first rotating shaft 702, then the worm wheel 704 is driven to rotate, and the second rotating shaft 12 is driven to rotate along with the rotation of the worm wheel 704.

[0030] The inside of the square cylinder 2 is fixedly connected with a limiting groove 15, the inside of the limiting groove 15 is slidingly connected with a limiting strip 14, the limiting strip 14 is fixedly connected with the lifting rack 8, in working, the limiting groove 15 and the limiting strip 14 are arranged, the movement of the lifting rack 8 can be limited, and the lifting rack 8 can stably move vertically.

[0031] The upper end surface of the ink table 3 is provided with a mounting hole 9, the inside of the mounting hole 9 is movably provided with a threaded rod 10, the upper end of the threaded rod 10 is fixedly connected with the ink groove 4, the circumferential surface of the threaded rod 10 is threadedly connected with a nut 11, in working, the threaded rod 10 at the lower end of the ink groove 4 is mounted into the inside of the mounting hole 9, then the nut 11 is tightened, and the ink groove 4 and the ink table 3 can be connected together.

[0032] The above merely describes the preferred embodiment of the utility model and is not intended to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A lifting structure for an ink table of a gravure printing machine, comprising a frame (1), characterized in that: A square cylinder (2) is fixedly connected inside the frame (1). A lifting rack (8) is slidably connected inside the square cylinder (2). An ink table (3) is fixedly connected to the upper end of the lifting rack (8). An ink tank (4) is provided at the upper end of the ink table (3). An auxiliary support column (5) is fixedly connected to the middle position of the lower end of the ink table (3). The lower end of the auxiliary support column (5) passes through the square cylinder (2) and is slidably connected to the square cylinder (2). The middle position inside the square cylinder (2) A clamping mechanism (6) is provided for clamping and fixing the auxiliary support column (5); two lifting racks (8) are provided and symmetrically distributed on both sides of the auxiliary support column (5); a second rotating shaft (12) is rotatably connected inside the square tube (2), and a lifting gear (13) is fixedly connected to the circumferential surface of the second rotating shaft (12), and the lifting gear (13) meshes with the lifting rack (8); a power mechanism (7) for providing power to the second rotating shaft (12) is provided inside the right end of the square tube (2).

2. The ink table lifting structure for a gravure printing machine as described in claim 1, characterized in that: The clamping mechanism (6) includes a bidirectional threaded rod (601), a first handle (602), a guide rod (603), a moving block (604), and a clamping plate (605). The bidirectional threaded rod (601) is rotatably connected inside the square cylinder (2). The moving block (604) is threadedly connected to the circumferential surface of the bidirectional threaded rod (601). The clamping plate (605) is fixedly connected to one end of the moving block (604) near the auxiliary support column (5). The guide rod (603) is slidably connected to the inside of the moving block (604) away from the auxiliary support column (5). The guide rod (603) is fixedly connected to the square cylinder (2). The first handle (602) is fixedly connected to both ends of the bidirectional threaded rod (601).

3. The ink table lifting structure for a gravure printing machine as described in claim 2, characterized in that: Two movable blocks (604) are provided and symmetrically distributed on the bidirectional threaded rod (601), and the internal threads of the two movable blocks (604) are in opposite directions.

4. The ink table lifting structure for a gravure printing machine as described in claim 1, characterized in that: The power mechanism (7) includes a second handle (701), a first rotating shaft (702), a worm (703), and a worm wheel (704). The first rotating shaft (702) is rotatably connected inside the square cylinder (2). The worm (703) is fixedly connected to the circumferential surface of the first rotating shaft (702). The worm wheel (704) is engaged at the upper end of the worm (703). The worm wheel (704) is fixedly connected to the second rotating shaft (12). The second handle (701) is fixedly connected to both ends of the first rotating shaft (702).

5. The ink table lifting structure for a gravure printing machine as described in claim 1, characterized in that: The square tube (2) is fixedly connected to a limiting groove (15), and the limiting groove (15) is slidably connected to a limiting strip (14), which is fixedly connected to the lifting rack (8).

6. The ink table lifting structure for a gravure printing machine as described in claim 1, characterized in that: The ink station (3) has an installation hole (9) on its upper surface. A threaded rod (10) is movably installed inside the installation hole (9). The upper end of the threaded rod (10) is fixedly connected to the ink tank (4). A nut (11) is threadedly connected to the circumferential surface of the threaded rod (10).

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