Overprinting fountain solution dosage control device
By designing a damping solution volume control device with control and sealing mechanisms, the problem of cumbersome operation of existing devices is solved, and convenient control of damping solution volume and sealing effect are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-03-06
AI Technical Summary
Existing dampening solution volume control devices are cumbersome to operate and make it difficult to conveniently control the amount of dampening solution used.
A damping solution usage control device was designed, which includes a control mechanism and a sealing mechanism. The control mechanism enables precise control of the damping solution usage, and the sealing mechanism prevents leakage.
It enables convenient control and effective sealing of dampening solution usage, avoids leakage, and improves operational convenience and control accuracy.
Smart Images

Figure CN223972295U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of overprinting machine technology, specifically to an overprinting dampening solution dosage control device. Background Technology
[0002] Overprinting dampening solution is a chemical solution used in the printing process, primarily in offset printing. Its main function is to keep the non-ink areas of the printing plate moist during printing, preventing ink from adhering to them. It also adjusts the pH of the printing plate surface, improving ink transfer performance and resulting in clearer, more accurate, and more vibrant and uniform printed images. Overprinting dampening solutions typically consist of water, alcohol, surfactants, buffers, and other components. Different formulations of overprinting dampening solutions are used for different printing needs and printing plate materials to achieve the best printing results.
[0003] According to the announcement number CN220146928U, an offset printing damping solution usage control device includes an acrylic storage tank for holding offset printing damping solution. The bottom outlet of the acrylic storage tank is threaded with a connecting pipe, and a ball valve is threaded on the connecting pipe.
[0004] Although the offset printing damping solution volume control device can slow down the flow rate of damping solution from the acrylic reservoir by rotating the circular stop to deviate the docking hole from the liquid outlet, its corresponding control operation is relatively cumbersome in practice and is not convenient for controlling the amount of damping solution used for overprinting. Therefore, the device needs to be improved accordingly. Utility Model Content
[0005] The purpose of this invention is to provide a device for controlling the amount of dampening solution used in printing, so as to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a damping solution volume control device, comprising a liquid tank, a control mechanism fixedly connected to the surface of the liquid tank, and a sealing mechanism provided on the top of the liquid tank;
[0007] The control mechanism includes a control base, which is fixedly connected to the left side of the liquid tank. A limit plate is provided inside the control base. A ring is fixedly connected to the right end of the limit plate. Slider blocks are fixedly connected to the four ends of the ring surface. A support ring frame is fixedly connected to the bottom end of the ring. A conical plug is fixedly connected to the middle of the bottom of the support ring frame. A support bar is fixedly connected to the top of the limit plate. An L-shaped plate is fixedly connected to the top of the support bar. A spring is fixedly connected to the left side of the L-shaped plate. A T-shaped rod is fixedly connected to the left end of the spring. A positioning strip is fixedly connected to the left side of the control base.
[0008] Preferably, vertical grooves are formed at the four ends of the liquid tank, and the surface of the slider is slidably connected to the inside of the vertical grooves, so as to facilitate the slider to slide inside the vertical grooves.
[0009] Preferably, a positioning hole is formed inside the positioning strip, and the surface of the T-shaped rod matches the inside of the positioning hole.
[0010] Preferably, a conical opening is provided at the bottom of the liquid tank, and the surface of the conical plug matches the inside of the conical opening.
[0011] Preferably, a sealing opening is provided on the top of the control seat, and the surface of the support bar is tightly fitted with the inside of the sealing opening, so as to facilitate the movement of the support bar within the sealing opening.
[0012] Preferably, the sealing mechanism includes a mounting ring, which is fixedly connected to the top of the liquid tank. A top cover is sleeved on the top of the mounting ring, and a sealing ring is fixedly connected inside the top cover. The surface of the sealing ring is in close contact with the inside of the mounting ring, and a bolt is threaded to the top of the top cover.
[0013] Preferably, the mounting ring has a threaded hole inside, and the bolt surface is threaded to the inside of the threaded hole, which facilitates the bolt's function of fixing the top cover.
[0014] Compared with the prior art, this utility model provides a device for controlling the amount of dampening solution used in printing, which has the following advantages:
[0015] 1. This damping solution consumption control device, through a set control mechanism, moves the L-shaped plate up and down, thereby driving the support bar to move the limiting plate up and down under the limit inside the control seat. This allows the ring to slide accordingly under the limit inside the liquid tank, and finally drives the conical stopper to change the gap with the bottom of the liquid tank when sliding up and down, making operation very convenient, thereby realizing the function of controlling the amount of damping solution used.
[0016] 2. This damping solution usage control device, through a set sealing mechanism, allows the bolts to be unscrewed, the top cover to be removed, and the solution to be added accordingly. After that, the top cover is replaced, and the sealing ring seals the inside of the liquid tank, effectively preventing leakage. The bolts are then tightened to achieve the corresponding sealing and fixing effect. 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 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 perspective view of the overall structure of this utility model;
[0019] Figure 2 This is a three-dimensional exploded view of the control mechanism of this utility model;
[0020] Figure 3 This is a three-dimensional exploded view of the control mechanism parts of this utility model;
[0021] Figure 4 This is a three-dimensional sectional view of the sealing mechanism of this utility model.
[0022] Figure 5 This is a three-dimensional cross-sectional view of the liquid tank of this utility model.
[0023] In the diagram: 1. Liquid tank; 2. Control mechanism; 21. Control seat; 22. Limiting plate; 23. Ring; 24. Slider; 241. Support ring frame; 25. Conical plug; 26. Support bar; 261. Spring; 27. L-shaped plate; 28. T-shaped rod; 29. Positioning bar; 3. Sealing mechanism; 31. Mounting ring; 32. Top cover; 33. Sealing ring; 34. Bolt. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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.
[0026] This utility model provides the following technical solution:
[0027] Example 1
[0028] Combination Figures 2 to 5 A damping solution usage control device includes a liquid tank 1, a control mechanism 2 fixedly connected to the surface of the liquid tank 1, and a sealing mechanism 3 provided on the top of the liquid tank 1.
[0029] The control mechanism 2 includes a control base 21, which is fixedly connected to the left side of the liquid tank 1. A limit plate 22 is provided inside the control base 21. A ring 23 is fixedly connected to the right end of the limit plate 22. Slider 24s are fixedly connected to the four ends of the surface of the ring 23. A support ring frame 241 is fixedly connected to the bottom end of the ring 23. A conical plug 25 is fixedly connected to the middle of the bottom of the support ring frame 241. A support bar 26 is fixedly connected to the top of the limit plate 22. An L-shaped plate 27 is fixedly connected to the top of the support bar 26. A spring 261 is fixedly connected to the left side of the L-shaped plate 27. A T-shaped rod 28 is fixedly connected to the left end of the spring 261. A positioning bar 29 is fixedly connected to the left side of the control base 21. Vertical grooves are opened at the four ends inside the liquid tank 1. The surface of the slider 24 is slidably connected to the inside of the vertical groove. A positioning hole is opened inside the positioning bar 29. The surface of the T-shaped rod 28 matches the inside of the positioning hole.
[0030] Furthermore, a conical opening is provided at the bottom of the liquid tank 1, and the surface of the conical plug 25 matches the inside of the conical opening. A sealing opening is provided at the top of the control seat 21, and the surface of the support bar 26 fits tightly against the inside of the sealing opening. The L-shaped plate 27 moves up and down, thereby driving the support bar 26 to move up and down under the limit inside the control seat 21, which in turn drives the ring 23 to slide accordingly under the limit inside the liquid tank 1. Finally, when the conical plug 25 slides up and down, it changes the gap with the bottom of the liquid tank 1, thereby realizing the function of controlling the amount of dampening solution used.
[0031] Example 2
[0032] See Figure 1-5 Furthermore, based on Embodiment 1, the sealing mechanism 3 further includes an installation ring 31, which is fixedly connected to the top of the liquid tank 1. A top cover 32 is sleeved on the top of the installation ring 31, and a sealing ring 33 is fixedly connected inside the top cover 32. The surface of the sealing ring 33 is tightly fitted to the inside of the installation ring 31, and a bolt 34 is threadedly connected to the top of the top cover 32.
[0033] Furthermore, a threaded hole is opened inside the mounting ring 31, and the surface of the bolt 34 is threaded to the inside of the threaded hole. The bolt 34 is unscrewed, and the top cover 32 is removed and added accordingly. Then the top cover 32 is put back on, and the inside of the liquid tank 1 is sealed under the action of the sealing ring 33, which can effectively prevent leakage. The bolt 34 is then tightened to achieve the corresponding sealing and fixing effect.
[0034] In actual operation, when this device is used to control the amount of dampening solution used for overprinting, the T-shaped rod 28 is pulled outward to disengage it from the locking position inside the positioning strip 29. Then, the L-shaped plate 27 can be moved up and down, which in turn drives the support strip 26 to move the limiting plate 22 up and down under the limit inside the control seat 21. This allows the ring 23 to slide accordingly under the limit inside the liquid tank 1. Finally, the conical plug 25 changes the gap with the bottom of the liquid tank 1 when it slides up and down, thereby achieving the function of controlling the amount of dampening solution used for overprinting.
[0035] Additionally, when adding liquid, unscrew bolt 34, remove top cover 32, add the liquid, then replace top cover 32. The sealing ring 33 seals the inside of the liquid tank 1, effectively preventing leakage. Tighten bolt 34 to achieve the corresponding sealing and fixing effect.
[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
Claims
1. A device for controlling the amount of dampening liquid in overprint, comprising a liquid tank (1), characterized in that: The liquid tank (1) surface fixedly connected with control mechanism (2), the liquid tank (1) top is provided with sealing mechanism (3); The control mechanism (2) includes control seat (21), the control seat (21) is fixedly connected to the left side of liquid tank (1), the control seat (21) is provided with a limit board (22) inside, the limit board (22) right end is fixedly connected with a circular ring (23), the circular ring (23) surface four ends are fixedly connected with sliding block (24), the circular ring (23) bottom is fixedly connected with support ring frame (241), the support ring frame (241) bottom middle is fixedly connected with a tapered plug (25), the limit board (22) top is fixedly connected with support strip (26), the support strip (26) top is fixedly connected with L-shaped plate (27), the L-shaped plate (27) left side is fixedly connected with spring (261), the spring (261) left end is fixedly connected with T-shaped rod (28), the control seat (21) left side is fixedly connected with positioning strip (29).
2. A device for controlling the amount of dampening solution applied to a blanket as claimed in claim 1, wherein: The liquid tank (1) inside four ends are respectively provided with vertical grooves, the sliding block (24) surface is connected with the vertical groove inside.
3. A device for controlling the amount of dampening solution applied to a blanket as claimed in claim 1, wherein: The positioning strip (29) is provided with a positioning hole inside, and the surface of the T-shaped rod (28) is matched with the positioning hole.
4. A device for controlling the amount of dampening solution applied to a blanket as claimed in claim 1, wherein: The bottom of the liquid tank (1) is provided with a tapered port, and the surface of the tapered plug (25) is matched with the tapered port.
5. A device for controlling the amount of dampening solution applied to a blanket as claimed in claim 1, wherein: The control seat (21) top is provided with a sealing port, and the surface of the support strip (26) is closely attached to the sealing port.
6. A device for controlling the amount of dampening solution applied to a blanket as claimed in claim 1, wherein: The sealing mechanism (3) includes mounting ring (31), the mounting ring (31) is fixedly connected to the top of the liquid tank (1), the mounting ring (31) top is sleeved with top cover (32), the top cover (32) is fixedly connected with sealing ring (33) inside, the surface of the sealing ring (33) is closely attached to the inside of the mounting ring (31), and the top cover (32) top is screwed with bolt (34).
7. A device for controlling the amount of dampening solution applied to a blanket as claimed in claim 6, wherein: The mounting ring (31) is provided with a threaded hole inside, and the surface of the bolt (34) is screwed with the threaded hole inside.
Citation Information
Patent Citations
Offset printing fountain solution dosage control device
CN220146928U