An offset printing ink heating device

By designing a fastening component and positioning structure in the ink heating device of the offset printing machine, the problem of uneven heating of the ink box was solved, achieving stable installation and uniform heating of the ink box, thus improving printing quality.

CN224465484UActive Publication Date: 2026-07-07SHANDONG TOBACCO LAIZHOU PRINTING

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG TOBACCO LAIZHOU PRINTING
Filing Date
2025-07-16
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

In existing technology, heating the bottom of the ink cartridge in an offset printing machine causes uneven heating of the ink, which affects the printing effect.

Method used

A heating device including a fastening component and a positioning structure was designed. The fastening block is driven by an electric telescopic rod and a drive motor to fasten the ink box, and the positioning of the ink box and uniform heating are achieved by using an electric lifting rod and a positioning protrusion.

Benefits of technology

This design achieves stable installation and uniform heating of the ink tank, improving printing quality and ink flow, and ensuring consistent printing results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of offset press ink heating devices, comprising: heating device, heating device side is provided with control panel, heating device inside is provided with heating bin, heating device top is provided with accommodating groove, accommodating groove inside is provided with ink tank, folding cover plate is movably arranged at the top of ink tank, accommodating groove outside is provided with fastening assembly, ink tank outside is provided with handle, fastening assembly includes first fastening block movably arranged in the inner wall of accommodating groove two sides, second fastening block is arranged in the inner wall of accommodating groove two ends.The utility model can fix ink tank of different sizes by the first fastening block and the second fastening block in accommodating groove to the inside movement, the size of positioning lug and positioning groove is adapted, positioning lug and positioning groove are conical prism, positioning lug is conveniently and quickly slid into the positioning groove in the bottom of ink tank, and ink tank is positioned by clamping.
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Description

Technical Field

[0001] This utility model relates to the field of offset printing machine ink technology, and in particular to an offset printing machine ink heating device. Background Technology

[0002] Offset printing presses are printing devices that use printing inks to print patterns and text onto paper or other materials. When storing inks in winter, they often need to be heated to prevent them from becoming too hard. Adding thickeners to adjust the ink's viscosity during printing can cause this. Conversely, as the ink cools, the printed colors become unstable and uneven, requiring careful handling.

[0003] A search revealed Chinese Patent Publication No. CN202421776431.2, which includes a constant-temperature ink tank. The constant-temperature ink tank has an openable or closable lid, an ink inlet, and an ink outlet on its top. An ink supply pump is installed at the ink outlet, and the ink supply pump is connected to an offset printing machine via an ink supply pipeline system. A heating mechanism is located at the bottom of the constant-temperature ink tank, and the heating mechanism and ink supply pump are connected to a PLC controller. This utility model adopts an integrated design, with a simple and compact structure and high ease of use. It can achieve fully automatic intelligent control, performing constant-temperature closed-loop control of the UV ink tank. The ink supply is not affected by the external ambient temperature, resulting in good ink flow and uniformity, thus ensuring good printing quality. However, this application heats the ink cartridge from the bottom, which can heat and maintain the ink temperature, but heating only the bottom of the ink cartridge will cause uneven heating of the ink in the ink cartridge, affecting the printing effect. Utility Model Content

[0004] The purpose of this invention is to provide an ink heating device for offset printing machines to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an ink heating device for an offset printing machine, comprising: a heating device, a control panel on one side of the heating device, a heating chamber inside the heating device, a receiving groove on the top of the heating device, an ink tank inside the receiving groove, a folding cover on the top of the ink tank, a fastening assembly on the outside of the receiving groove, and a handle on the outside of the ink tank.

[0006] The fastening assembly includes first fastening blocks movably disposed on the inner walls of both sides of the receiving groove, and second fastening blocks disposed on the inner walls of both ends of the receiving groove.

[0007] Preferably, a water inlet is provided on one side of the heating chamber, and a heating pipe is provided on the inner wall of the heating chamber, the heating pipe being arranged in an arc shape around the chamber.

[0008] Preferably, a telescopic plate is provided between the first fastening block and the receiving groove, the first fastening block is movably connected to the receiving groove through the telescopic plate, and an electric telescopic rod is symmetrically provided at the bottom of one end of the first fastening block.

[0009] Preferably, each of the two second fastening blocks has a movable block at one end, and a bidirectional lead screw is installed through the movable block. One end of the bidirectional lead screw is connected to a drive motor, and the other end of the second fastening block has a sliding block. The second fastening block is movably connected to the inner wall of the heating device through the sliding block.

[0010] Preferably, one side of each of the two movable blocks is provided with a threaded groove adapted to the bidirectional lead screw, and the drive motor is connected to the movable block through the bidirectional lead screw. The drive motor is fixedly installed inside the heating device.

[0011] Preferably, the first fastening block, the second fastening block, and the inner side of the receiving groove are provided with guide slopes.

[0012] Preferably, the bottom of the ink tank is provided with a positioning groove, the heating chamber is provided with an electric lifting rod, the top of the electric lifting rod is provided with a positioning platform, and the top of the positioning platform is provided with a positioning protrusion.

[0013] Preferably, the positioning protrusion and the positioning groove are matched in size, and the positioning protrusion and the positioning groove are in the shape of a truncated cone.

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

[0015] This invention utilizes a fastening assembly comprising: first fastening blocks movably mounted on the inner walls of both sides of a receiving groove; second fastening blocks mounted on the inner walls of both ends of the receiving groove; a telescopic plate positioned between the first fastening blocks and the receiving groove; the first fastening blocks being movably connected to the receiving groove via the telescopic plate; symmetrically mounted electric telescopic rods at one bottom end of each first fastening block, which move the first fastening blocks and expand the telescopic plate to fasten both sides of the ink tank; and movable blocks at one end of each of the two second fastening blocks, with bidirectional lead screws running through them, one end of which is connected to a drive motor; threaded grooves adapted to the bidirectional lead screws on one side of each movable block; the drive motors moving the movable blocks on both sides via the bidirectional lead screws, thereby causing the two second fastening blocks to move synchronously inward or outward, thus fastening the other two sides of the ink tank. This assembly, in conjunction with the first fastening blocks, can fasten ink tanks of different sizes.

[0016] This utility model features a positioning groove at the bottom of the ink tank and an electric lifting rod inside the heating chamber. The electric lifting rod has a positioning platform at its top, which is positioned below the receiving groove. The positioning platform has a positioning protrusion at its top. When the ink tank is placed into the receiving groove, the bottom positioning groove aligns with the positioning protrusion on the positioning platform. The positioning protrusion and the positioning groove are sized to match, and the positioning protrusion and the positioning groove are both truncated cone shapes, which facilitates the quick sliding of the positioning protrusion into the positioning groove and its engagement. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall partial cross-sectional structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the receiving groove structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the bottom structure of the receiving groove of this utility model;

[0022] Figure 5 This is a schematic diagram of the internal structure of the heating chamber of this utility model.

[0023] As indicated by the labels in the diagram: 1. Heating device; 2. Control panel; 3. Heating chamber; 301. Water inlet; 302. Heating tube; 303. Electric lifting rod; 304. Positioning platform; 305. Positioning protrusion; 4. Receiving groove; 5. Ink tank; 501. Handle; 502. Positioning groove; 6. Folding cover; 7. Fastening assembly; 701. First fastening block; 702. Second fastening block; 703. Movable block; 704. Drive motor; 705. Two-way lead screw; 706. Electric telescopic rod. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. The preferred embodiments of this utility model will now be described in more detail with reference to the accompanying drawings. Although preferred embodiments of this utility model are shown in the drawings, it should be understood that this utility model can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make this utility model more thorough and complete, and to fully convey the scope of this utility model to those skilled in the art.

[0025] The terminology used in this invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular forms “a,” “the,” and “the” used in this invention and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0026] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0027] In the description of this utility model, it should be understood that the terms "thickness", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] It should be understood that although the terms "first," "second," "third," etc., may be used to describe various components in this invention, this information should not be limited to these terms. These terms are only used to distinguish components of the same type from each other. For example, without departing from the scope of this invention, a first component may also be referred to as a second component, and similarly, a second component may also be referred to as a first component. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0030] The technical solutions of the embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0031] refer to Figures 1 to 5 An ink heating device for an offset printing machine, comprising:

[0032] A heating device 1 is provided with a control panel 2 on one side, a heating chamber 3 inside the heating device 1, a receiving groove 4 on the top of the heating device 1, an ink tank 5 inside the receiving groove 4, a folding cover 6 on the top of the ink tank 5, a fastening component 7 on the outside of the receiving groove 4, and a handle 501 on the outside of the ink tank 5.

[0033] The fastening assembly 7 includes a first fastening block 701 movably disposed on the inner walls of both sides of the receiving groove 4, and a second fastening block 702 disposed on the inner walls of both ends of the receiving groove 4.

[0034] Specifically, a water inlet 301 is provided on one side of the heating chamber 3, and a heating pipe 302 is provided on the inner wall of the heating chamber 3, which is arranged in an arc shape around the chamber.

[0035] Specifically, a telescopic plate is provided between the first fastening block 701 and the receiving groove 4. The first fastening block 701 is movably connected to the receiving groove 4 through the telescopic plate. An electric telescopic rod 706 is symmetrically provided at the bottom of one end of the first fastening block 701.

[0036] Specifically, each of the two second fastening blocks 702 has a movable block 703 at one end, and a bidirectional lead screw 705 is installed through the movable block 703. One end of the bidirectional lead screw 705 is connected to a drive motor 704, and the other end of the second fastening block 702 is provided with a sliding block. The second fastening block 702 is movably connected to the inner wall of the heating device 1 through the sliding block.

[0037] Specifically, one side of each of the two movable blocks 703 is provided with a threaded groove that is compatible with the bidirectional lead screw 705. The drive motor 704 is connected to the movable block 703 through the bidirectional lead screw 705 and is fixedly installed inside the heating device 1.

[0038] Specifically, the first fastening block 701, the second fastening block 702, and the inner side of the receiving groove 4 are provided with guide slopes.

[0039] Specifically, the bottom of the ink tank 5 is provided with a positioning groove 502, the heating chamber 3 is provided with an electric lifting rod 303, the top of the electric lifting rod 303 is provided with a positioning platform 304, and the top of the positioning platform 304 is provided with a positioning protrusion 305.

[0040] Specifically, the positioning protrusion 305 and the positioning groove 502 are adapted to each other in size, and the positioning protrusion 305 and the positioning groove 502 are in the shape of a truncated cone.

[0041] In this embodiment, the fastening assembly 7 includes first fastening blocks 701 movably mounted on the inner walls of both sides of the receiving groove 4, and second fastening blocks 702 mounted on the inner walls of both ends of the receiving groove 4. A telescopic plate is provided between the first fastening blocks 701 and the receiving groove 4. The first fastening blocks 701 are movably connected to the receiving groove 4 through the telescopic plate. Electric telescopic rods 706 are symmetrically arranged at the bottom of one end of the first fastening blocks 701. The electric telescopic rods 706 drive the first fastening blocks 701 to move and expand the telescopic plate to fasten both sides of the ink tank 5. Movable blocks 703 are provided at one end of each of the two second fastening blocks 702. A bidirectional lead screw 705 is installed through the interior of the 03. One end of the bidirectional lead screw 705 is connected to a drive motor 704. Two movable blocks 703 have threaded grooves on one side that are adapted to the bidirectional lead screw 705. The drive motor 704 drives the movable blocks 703 on both sides to move through the bidirectional lead screw 705, thereby driving the two second fastening blocks 702 to move inward or outward synchronously, thereby fastening the other two sides of the ink tank 5. A sliding block is provided at the other end of the second fastening block 702. The second fastening block 702 is movably connected to the inner wall of the heating device 1 through the sliding block to ensure the stability of the movement of the second fastening block 702.

[0042] It should be noted that the first fastening block 701, the second fastening block 702 and the inner side of the receiving groove 4 are provided with guide slopes. When the ink box 5 is placed into the receiving groove 4, the ink box 5 is better guided in through the guide slopes.

[0043] As a further limitation of this technical solution, the bottom of the ink tank 5 is provided with a positioning groove 502, and the heating chamber 3 is provided with an electric lifting rod 303. The top of the electric lifting rod 303 is provided with a positioning platform 304, which is correspondingly set below the receiving groove 4. The top of the positioning platform 304 is provided with a positioning protrusion 305. When the ink tank 5 is placed into the receiving groove 4, the bottom positioning groove 502 is aligned with the positioning protrusion 305 on the positioning platform 304. The positioning protrusion 305 and the positioning groove 502 are adapted to each other in size. The positioning protrusion 305 and the positioning groove 502 are in the shape of a conical truncated pyramid, which makes it easy for the positioning protrusion 305 to slide into the positioning groove 502 and engage for positioning.

[0044] Based on the above embodiments, in use, the ink box 5 is placed into the receiving groove 4 inside the heating device 1. When the ink box 5 is placed into the receiving groove 4, the bottom positioning groove 502 is aligned with the positioning protrusion 305 on the positioning platform 304. Because the positioning protrusion 305 and the positioning groove 502 are both conical truncated pyramids, the positioning protrusion 305 can quickly slide into the positioning groove 502 and be locked in place, thereby placing the ink box 5 on the positioning platform 304. The electric telescopic rod 706 drives the first fixing block 701 to move and the telescopic plate to expand the space on both sides of the ink box 5. To secure the ink tank 5, the drive motor 704 moves the movable blocks 703 on both sides via the bidirectional lead screw 705, thereby moving the two second securing blocks 702 synchronously. This secures the other two sides of the ink tank 5, fixing the ink tank 5 in place. Then, the electric lifting rod 303 lowers the positioning platform 304, guiding the ink tank 5 into the inner wall of the heating chamber 3. Water is introduced into the heating chamber 3 through the water inlet 301, and the water is heated through the heating pipe 302, thus uniformly heating the ink tank 5 inside the heating chamber 3.

[0045] The present invention has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of each embodiment have different focuses; for parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments. Those skilled in the art should also understand that the actions and modules involved in the specification are not necessarily essential to the present invention. Furthermore, it is understood that the steps in the method of the present invention embodiments can be adjusted, combined, and deleted according to actual needs, and the structure in the device of the present invention embodiments can be combined, divided, and deleted according to actual needs.

[0046] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or improvement of the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. An ink heating device for an offset printing machine, characterized in that, include: A heating device (1) is provided with a control panel (2) on one side of the heating device (1), a heating chamber (3) is provided inside the heating device (1), a receiving groove (4) is provided on the top of the heating device (1), an ink tank (5) is provided inside the receiving groove (4), a folding cover (6) is movably provided on the top of the ink tank (5), a fastening component (7) is provided on the outside of the receiving groove (4), and a handle (501) is provided on the outside of the ink tank (5). The fastening assembly (7) includes a first fastening block (701) movably disposed on the inner walls of both sides of the receiving groove (4), and a second fastening block (702) disposed on the inner walls of both ends of the receiving groove (4).

2. The offset printing machine ink heating device according to claim 1, characterized in that, A water inlet (301) is provided on one side of the heating chamber (3), and a heating pipe (302) is provided on the inner wall of the heating chamber (3), which is arranged in an arc shape.

3. The offset printing machine ink heating device according to claim 1, characterized in that, A telescopic plate is provided between the first fastening block (701) and the receiving groove (4). The first fastening block (701) is movably connected to the receiving groove (4) through the telescopic plate. An electric telescopic rod (706) is symmetrically provided at the bottom of one end of the first fastening block (701).

4. The offset printing machine ink heating device according to claim 1, characterized in that, Two second fastening blocks (702) are provided with a movable block (703) at one end. A bidirectional lead screw (705) is provided through the movable block (703). A drive motor (704) is connected to one end of the bidirectional lead screw (705). A sliding block is provided at the other end of the second fastening block (702). The second fastening block (702) is movably connected to the inner wall of the heating device (1) through the sliding block.

5. The offset printing machine ink heating device according to claim 4, characterized in that, The two movable blocks (703) have threaded grooves on one side that are compatible with the bidirectional lead screw (705). The drive motor (704) is connected to the movable block (703) through the bidirectional lead screw (705). The drive motor (704) is fixedly installed inside the heating device (1).

6. The offset printing machine ink heating device according to claim 4, characterized in that, The first fastening block (701), the second fastening block (702) and the receiving groove (4) are provided with guide slopes on their inner sides.

7. The offset printing machine ink heating device according to claim 2, characterized in that, The ink box (5) has a positioning groove (502) at the bottom. The heating chamber (3) is equipped with an electric lifting rod (303). The electric lifting rod (303) has a positioning platform (304) on top. The positioning platform (304) has a positioning protrusion (305) on top.

8. The offset printing machine ink heating device according to claim 7, characterized in that, The positioning protrusion (305) and the positioning groove (502) are adapted to each other in size, and the positioning protrusion (305) and the positioning groove (502) are in the shape of a truncated cone.