Printing trolley with ink constant temperature function
By introducing a thermostat and heating element into the printing carriage, constant temperature control of the ink is achieved, solving the problems of ink viscosity and flowability, and improving the performance and reliability of the printing carriage.
Patent Information
- Application Number
- CN202520614533.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-04-02
AI Technical Summary
The existing printing carriage lacks ink heating function, which causes changes in ink viscosity to affect flowability, leading to printhead clogging and mismatched printing waveforms.
Design a printing carriage with a thermostat, which is connected to an external constant temperature water device through input and output pipelines. The ink is heated and its temperature is controlled by a temperature-controlled U-tube and an electric heating element to ensure constant temperature output of the ink.
It effectively reduces ink viscosity, enhances fluidity, reduces the risk of clogging, and improves print quality and stability.
Smart Images

Figure CN223812429U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a digital printing equipment more specifically relates to a printing trolley with ink constant temperature function. BACKGROUND
[0002] The printing trolley in prior art lacks ink heating function, and the viscosity of ink changes with temperature, so that the poor fluidity caused by too low temperature leads to nozzle blockage, and different ink fluidity needs to match different printing waveforms, so that the existing printing trolley also has the condition of printing waveform mismatch. INNOVATION CONTENT
[0003] In view of the deficiencies in the prior art, the utility model aims at providing a constant temperature control for ink, thereby solving the technical problems in the background art.
[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a printing trolley with ink constant temperature function, which comprises a shell, a nozzle array installed on the lower side of the shell, an ink cartridge installed in the shell and a thermostat, the ink cartridge, the thermostat and the nozzle array are connected with each other through pipelines to heat the ink output by the ink cartridge and then send it into the nozzle array, so that the ink is output at constant temperature.
[0005] As a further improvement of the utility model, the thermostat comprises an input pipeline and an output pipeline, the input circuit and the output circuit are connected with the external constant temperature water equipment, the ink cartridge is provided with a temperature control U-shaped tube, and the input pipeline and the output pipeline are connected with the heating U-shaped tube in the ink cartridge through the pipeline to provide constant temperature water into the temperature control U-shaped tube in the ink cartridge and then return to the external constant temperature water equipment from the output pipeline.
[0006] As a further improvement of the utility model, the input pipeline and the output pipeline are square tube structures, one end of the input pipeline is a water inlet end, the other end is closed, the water inlet end is connected with the external constant temperature water equipment through the pipeline, a plurality of threaded rotary elbows are arranged on the side wall of the input pipeline, and the threaded rotary elbows are connected with the water inlet end of the temperature control U-shaped tube in the ink cartridge one by one, one end of the output pipeline is a water return end, the other end is closed, the water return end is connected with the external constant temperature water equipment through the pipeline, and the side wall of the output pipeline is also provided with threaded rotary elbows, which are connected with the water outlet end of the temperature control U-shaped tube in the ink cartridge one by one through the threaded rotary elbows.
[0007] As a further improvement of the utility model, it further comprises a temperature control plate installed on the side wall of the shell and an electric heating sheet installed in the nozzle array, the temperature control plate is connected with the electric heating sheet to control the environmental temperature of each nozzle in the nozzle array.
[0008] The utility model discloses beneficial effect: compare with prior art, the utility model discloses a printing trolley with ink constant temperature function is set up, utilize constant temperature device to ink constant temperature control, can effectively reduce ink viscosity, enhance ink fluidity, reduce ink residue, reduce the risk of ink road blockage, make printing waveform more matching simultaneously, improve printing quality and stability. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 It is the overall structural drawing of the printing trolley with ink constant temperature function of the utility model,
[0010] Figure 2 It is Figure 1 The overall structural drawing of constant temperature device. DETAILED DESCRIPTION
[0011] The utility model will be further detailed in the following with the embodiment given by the drawing.
[0012] Referring to Figure 1 The printing trolley with ink constant temperature function of the embodiment, including shell 33, install on the nozzle array 34 of the lower side surface of shell 33, install the ink cartridge 35 and constant temperature device 1 in shell 33, ink cartridge 35, constant temperature device 1 and nozzle array 34 are connected with each other through pipeline to send the ink heated after the output of ink cartridge 35 into nozzle array 34, so that ink constant temperature output, solve the problem that the poor flowability of ink in prior art, long time work is easy to appear ink residue and lead to ink road blockage and printing waveform mismatching.
[0013] Further, referring to Figure 2 The constant temperature device 1 includes input pipeline 11 and output pipeline 12, the input pipeline 11 and output pipeline 12 are connected with external constant temperature water equipment, the ink cartridge 35 is provided with temperature control U-shaped pipe, the input pipeline 11 and output pipeline 12 are connected with the heating U-shaped pipe in ink cartridge 35 through pipeline to provide constant temperature water into the temperature control U-shaped pipe in ink cartridge 35 and return external constant temperature water equipment from output pipeline, heat water circulation to temperature control U-shaped pipe in and heat ink, can realize the heating of ink more uniform, avoid the problem that the temperature is not even, when temperature is higher, still can adopt the way of circulating cold water to realize cooling, thereby simple and effective realization constant temperature control.
[0014] Further, the input pipeline 11 and the output pipeline 12 are both square tube structures, one end of the input pipeline 11 is a water inlet end, the other end is closed, the water inlet end is connected with an external constant temperature water device through a pipeline, a plurality of threaded rotary elbows are arranged on the side wall of the input pipeline 11, the plurality of threaded rotary elbows are connected with the water inlet ends of the temperature control U-shaped pipes in the ink cartridge 35 one by one, one end of the output pipeline 12 is a water return end, the other end is closed, the water return end is connected with an external constant temperature water device through a pipeline, threaded rotary elbows are also arranged on the side wall of the output pipeline 12, and the threaded rotary elbows are connected with the water outlet ends of the temperature control U-shaped pipes in the ink cartridge 35 one by one, the structure design makes the connection of the thermostat 1, the ink cartridge 35 and the nozzle array 34 more reasonable, enhances the utilization of the internal space of the printing trolley, and can be better installed in the shell 33 of the printing trolley and above the ink cartridge 35.
[0015] Further, the printing trolley of the embodiment further comprises a temperature control plate installed on the side wall of the shell 33 and an electric heating sheet installed in the nozzle array 34, the temperature control plate is connected with the electric heating sheet to control the ambient temperature of each nozzle in the nozzle array 34. The design not only controls the temperature of the ink, but also regulates the ambient temperature of the nozzle, so that the nozzle works in a suitable ambient temperature, ensuring the working state of the nozzle. The existing nozzle ambient working temperature is generally above 22 degrees, so there may be a situation that the nozzle cannot work normally due to low weather temperature. The combination of the electric heating sheet and the temperature control plate can simply and effectively control the ambient temperature.
[0016] In summary, the present application controls the temperature of the ink by setting the thermostat 1, compared with the printing trolley without ink temperature control function in the background art, effectively solves the problems of ink path blockage and printing waveform mismatch caused by high viscosity and poor flowability of the ink, and improves the performance and reliability of the printing trolley.
[0017] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above embodiments. Any technical solution falling within the concept of the present application belongs to the protection scope of the present application. It should be noted that for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principles of the present application are also considered as the protection scope of the present application.
Claims
1. A printing carriage with ink temperature control function, characterized in that: It includes a housing (33), a printhead array (34) mounted on the lower side of the housing (33), an ink cartridge (35) mounted inside the housing (33), and a thermostat (1). The ink cartridge (35), the thermostat (1), and the printhead array (34) are interconnected by pipes to heat the ink output from the ink cartridge (35) and send it into the printhead array (34) so that the ink is output at a constant temperature.
2. The printing carriage with ink temperature control function according to claim 1, characterized in that: The thermostat (1) includes an input pipe (11) and an output pipe (12). Both the input pipe (11) and the output pipe (12) are connected to an external constant temperature water device. A temperature-controlled U-shaped tube is installed inside the ink cartridge (35). Both the input pipe (11) and the output pipe (12) are connected to the heating U-shaped tube inside the ink cartridge (35) through pipes to provide constant temperature water to circulate in the temperature-controlled U-shaped tube inside the ink cartridge (35) and then return to the external constant temperature water device through the output pipe.
3. The printing carriage with ink temperature control function according to claim 2, characterized in that: Both the input pipe (11) and the output pipe (12) are square tube structures. One end of the input pipe (11) is the water inlet, and the other end is closed. The water inlet is connected to an external constant temperature water device through a pipe. Several threaded rotating elbows are provided on the side wall of the input pipe (11). Several threaded rotating elbows are connected to the water inlet of the temperature-controlled U-shaped tube inside the ink cartridge (35) one by one. One end of the output pipe (12) is the water return end, and the other end is closed. The water return end is connected to an external constant temperature water device through a pipe. Threaded rotating elbows are also provided on the side wall of the output pipe (12). The threaded rotating elbows are connected to the water outlet of the temperature-controlled U-shaped tube inside the ink cartridge (35) one by one.
4. The printing carriage with ink temperature control function according to claim 1, 2, or 3, characterized in that: It also includes a temperature control plate installed on the side wall of the housing (33) and an electric heating element installed in the nozzle array (34). The temperature control plate is connected to the electric heating element to control the ambient temperature of each nozzle in the nozzle array (34).