CN209813083U - Cartridge resin liquid heat circulation structure and printer - Google Patents

Abstract

The embodiment of the application provides a magazine resin liquid thermal cycle structure and printer relates to printer technical field. The resin liquid thermal cycle structure of the material box comprises the material box of the printer and a cyclic heating structure, the cyclic heating structure is arranged outside the material box and comprises a feeding part, a conveying power part and a heating mechanism, a feeding channel is arranged inside the feeding part, two ends of the feeding channel are communicated with the inside of the material box, the conveying power part is constructed to suck out the resin liquid in the material box and enter the material box through the feeding channel, and the heating mechanism is constructed to heat the resin liquid in the feeding channel. The circulation heating structure can enable the photosensitive resin to circularly flow outside the material box, and avoids the generation of precipitation in the process of heating the resin liquid.

Description

Cartridge resin liquid heat circulation structure and printer

Technical Field

The application relates to the technical field of printers, and particularly relates to a material box resin liquid thermal circulation structure and a printer.

Background

The printing material of the 3D printer is generally a photosensitive resin material, which is composed of a polymer monomer, a prepolymer, a photoinitiator, a diluent, and the like, and is generally liquid, and is cured by a polymerization reaction under the irradiation of ultraviolet light of a certain wavelength.

Aiming at the photosensitive resin with high viscosity, the printing effect can be better achieved only by heating. Although the existing 3D printer has a heating function, in the heating process, because the photosensitive resin is formed by mixing different substances, the different substances are easy to form precipitates.

SUMMERY OF THE UTILITY MODEL

An object of this application embodiment is to provide a magazine resin liquid thermal cycle structure and printer, aim at improving the problem that photosensitive resin is easy to deposit in the heating process.

According to a first aspect, the embodiment of the application provides a magazine resin liquid thermal cycle structure, magazine resin liquid thermal cycle structure includes the magazine and the circulation heating structure of printer, the circulation heating structure sets up outside the magazine, the circulation heating structure includes the pay-off part, carry power spare and heating mechanism, the inside pay-off passageway that has of pay-off part, the both ends of pay-off passageway all communicate with the magazine is inside, carry power spare to be constructed into the resin liquid suction in the magazine, enter into the magazine through the pay-off passageway, heating mechanism is constructed into the resin liquid in the heating pay-off passageway.

In the above-mentioned realization in-process, can be with the resin liquid suction in the magazine through carrying the power spare, the pay-off passageway flows through, heats the resin liquid in the pay-off passageway through heating mechanism, and the resin liquid after the heating is carried to the magazine in again, and the resin liquid viscosity after being heated reduces, and mobility increases, the drawing force size when reducing the resin liquid separation. The resin liquid in the material box is continuously replaced by the heated resin liquid, so that the success rate of printing can be improved. In the embodiment of this application, whole circulation heating mechanism sets up outside the magazine, and the resin liquid of circulation flow is heated alone, and the resin liquid is at circulation flow's in-process, and each component of resin liquid all flows thereupon, can make each component intensive mixing, reduces the probability that the resin liquid produced the sediment.

In a possible embodiment, the feeding part comprises a feeding pipeline, the feeding pipeline is a hose, two ends of the hose are respectively communicated with the inside of the material box, the conveying power part is a peristaltic pump, at least one section of the hose is installed on a pump head of the peristaltic pump, the pump head can extrude the hose to change the cross-sectional space of the hose, resin liquid in the material box is sucked out and conveyed into the material box through the hose, and the heating mechanism is configured to heat the resin liquid in the hose.

In the implementation process, the rollers of the pump head of the peristaltic pump can extrude the hose or release pressure on the hose, so that the cross-section space of the hose is changed, and the purpose of pumping the resin liquid is achieved.

In a possible embodiment, the feeding part comprises a feeding pipeline, the feeding pipeline comprises a first section and a second section, one end of the first section is communicated with the inside of the material box, one end of the second section is communicated with the inside of the material box, the other end of the first section and the other end of the second section are both connected with a pump head for conveying the power part, the other end of the first section is communicated with the other end of the second section, and the conveying power part is configured to suck out the resin liquid in the material box and enter the material box through the first section and the second section in sequence.

In the implementation process, the resin liquid in the material box is sucked out by the conveying power part, flows to the inner cavity of the pump head through the first section, and enters the material box through the second section, so that the purpose of pumping the resin liquid is achieved.

In a possible embodiment, the heating mechanism comprises a heating main body and a heating part, the heating main body is internally provided with a heating chamber, the heating section of the feeding pipeline is arranged in the heating chamber, and the heating part is used for heating the resin liquid in the heating section.

In the above-mentioned realization process, give off the heat through the heating of heating block, the resin liquid of heating section of heat transfer for conveying pipeline in the heating chamber, the resin liquid in the heating section heaies up.

In a possible embodiment, the circulation heating structure further comprises a constant temperature controller, and the constant temperature controller is electrically connected with the heating component.

In the implementation process, the temperature of the resin liquid at the outlet of the heating section or the inlet of the material box is detected through the constant temperature controller, if the temperature is lower than the preset temperature, the constant temperature controller controls the heating part to start to continue heating the resin liquid, and if the temperature reaches the preset temperature, the constant temperature controller controls the heating part to stop heating the resin liquid, so that the temperature of the resin liquid is accurately controlled.

In a possible embodiment, the heating mechanism comprises a heating main body, a heating chamber is arranged in the heating main body, the heating section of the feeding pipeline is arranged in the heating chamber, the heating main body is made of an electric heating material, a power supply device is connected with the heating main body, the heating main body is electrically connected with the power supply device, and the heating main body is configured to heat the resin liquid in the heating section.

In the implementation process, the heating main body made of the electric heating material can be electrified through the power supply device, and the electrified heating main body generates heat to heat the resin liquid in the heating section of the feeding pipeline in the heating chamber.

In a possible embodiment, the circulation heating structure further comprises a constant temperature controller, and the constant temperature controller is electrically connected with the power supply device.

In the implementation process, the temperature of the resin liquid at the outlet of the heating section or the inlet of the material box is detected through the thermostatic controller, if the temperature is lower than the preset temperature, the thermostatic controller controls the power supply device to supply power to the heating main body so that the heating main body generates heat to heat the resin liquid, and if the temperature reaches the preset temperature, the thermostatic controller controls the power supply device to stop supplying power to the heating main body, so that the temperature of the resin liquid is accurately controlled.

In a possible embodiment, the heating section comprises a plurality of liquid flow channels which are sequentially communicated, each liquid flow channel comprises a liquid inlet end and a liquid outlet end which are oppositely arranged, and the liquid inlet ends and the liquid outlet ends of the two adjacent liquid flow channels are arranged on the same side of the heating section.

In the realization process, the heating section structure can increase the flow path of the resin liquid in the heating section, the residence time in the heating chamber is longer, and the resin liquid can be sufficiently heated.

In a possible embodiment, two liquid flow channels arranged adjacently are connected through an arc-shaped flow channel, the arc-shaped flow channel protrudes along a preset direction, and the preset direction is a direction in which the liquid inlet end points to the liquid outlet end.

In the implementation process, when the resin liquid passes through the arc-shaped flow channel, the fluidity is better, and the probability of generating precipitates in the resin liquid is reduced.

In a second aspect, embodiments of the present application provide a printer including the above cartridge resin liquid thermal circulation structure.

In the implementation process, due to the structure of the resin liquid thermal circulation of the material box, the resin liquid in the material box flows circularly and is heated in the flowing process, the heated resin liquid is continuously conveyed into the material box, and the probability of successful printing can be improved when the printer prints.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a cartridge resin liquid thermal cycle structure according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a cartridge resin liquid thermal cycle structure according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a heating body and a heating section provided in an embodiment of the present application;

FIG. 4 is a block diagram of a heating mechanism according to an embodiment of the present disclosure;

FIG. 5 is a block diagram of another heating mechanism provided in embodiments of the present application;

fig. 6 is a schematic structural diagram of another heating body provided in an embodiment of the present application.

Icon: 100-cartridge resin liquid thermal cycle architecture; 10-a cyclic heating structure; 101-a feed end; 102-a discharge end; 105-a first section; 105 a-a first one-way valve; 106-second segment; 106 a-a second one-way valve; 1111-a liquid flow channel; 1111 a-liquid inlet end; 1111 b-liquid outlet end; 1112-circular arc segment flow channel; 103-conveying power parts; 12-a heating mechanism; 121-a heating body; 1211-an attachment member; 121 a-heating chamber; 1211 a-a cavity; 1211 b-a mounting groove; 1221-a heating element; 1222-a first power supply device; 13-a thermostatic controller; 131-a temperature sensing module; 132-a control module; 14-a second power supply; 20-the cartridge.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more unless specifically limited otherwise.

The embodiment of the application provides a magazine resin liquid thermal cycle structure 100 and printer, aims at improving the problem that photosensitive resin deposits easily in the heating process.

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a thermal cycle structure 100 of a resin liquid of a material box according to an embodiment of the present disclosure. The cartridge resin liquid heat cycle structure 100 includes a cartridge 20 and a circulation heating structure 10. Wherein, magazine 20 mainly used splendid attire resin liquid, when the resin liquid temperature in magazine 20 was lower, the viscosity of resin liquid was great, can not satisfy the requirement of 3D printer. Through circulation heating structure 10 can make the resin liquid circulation in the magazine 20 flow, and heat the resin liquid of flow, reduce the viscosity of resin liquid, improve the problem that the resin liquid appears deposiing.

The circulation heating structure 10 is arranged outside the material box 20, the circulation heating structure 10 comprises a feeding part, a power transmission part 103 and a heating mechanism 12, a feeding channel is arranged inside the feeding part, and two ends of the feeding channel are communicated with the inside of the material box 20. The power transmission member 103 is configured to suck out the resin liquid in the magazine 20 and enter the magazine 20 through the feeding passage, and the heating mechanism 12 is configured to heat the resin liquid in the feeding passage.

The feeding channel comprises a feeding end 101 and a discharging end 102, the resin liquid in the material box 20 is sucked out by the conveying power part 103, flows through the feeding channel from the feeding end 101 and then flows into the material box 20 again through the discharging end 102, the resin liquid is heated by the heating mechanism 12 in the feeding channel, and the heated resin liquid is conveyed into the material box 20 again. The viscosity of the heated resin liquid is reduced, the fluidity is increased, and the drawing force during the separation of the resin liquid is reduced. The resin liquid in the magazine 20 is continuously replaced with the heated resin liquid, so that the success rate of printing can be improved. When the resin liquid printer is used specifically, before printing, the resin liquid in the material box 20 continuously flows circularly and is heated, and after the resin liquid reaches a certain temperature interval, printing is performed.

In the embodiment of the application, the whole circulation heating mechanism 12 is arranged outside the material box 20, the resin liquid which flows circularly is continuously heated by the heating mechanism 12, the resin liquid can be better heated, all the components of the resin liquid flow along with the resin liquid in the circulation flowing process, all the components can be fully mixed, and the probability of precipitation of the resin liquid is reduced.

Referring to fig. 1, in a possible embodiment, the feeding component includes a feeding pipe, wherein the feeding pipe is a flexible pipe, two ends of the flexible pipe are respectively communicated with the inside of the material box 20, the conveying power component 103 is a peristaltic pump, at least one section of the flexible pipe is installed on a pump head of the peristaltic pump, the pump head can press the flexible pipe to change the cross-sectional space of the flexible pipe, the resin liquid in the material box 20 is sucked out and conveyed into the material box 20 through the flexible pipe, and the heating mechanism 12 is configured to heat the resin liquid in the flexible pipe.

Illustratively, one or more peristaltic pumps can be arranged, and when one peristaltic pump is arranged, one section of the hose is arranged on a pump head of the peristaltic pump; when setting up a plurality of peristaltic pumps, a plurality of peristaltic pumps interval sets up, and the multistage of hose is by the pump head centre gripping of a plurality of peristaltic pumps respectively. The section of pipe of being held by the pump head of peristaltic pump in the hose is because the extrusion of the gyro wheel of pump head for the cross-section space of hose produces the change, and in the process of gyro wheel extrusion and release pressure, thereby reach the effect of the interior resin liquid of pump sending hose.

Illustratively, the hose includes a first section 105 and a second section 106, the peristaltic pump is configured to suck out the resin liquid in the cartridge 20, and sequentially passes through the first section 105 and the second section 106 into the cartridge 20, and the heating mechanism 12 is configured to heat the resin liquid in the second section 106. It is to be understood that the heating means 12 may be provided for heating the resin liquid in the first stage 105. When the resin liquid passes through the peristaltic pump, the resin liquid is also present in the hose and does not contact the pump body, and the resin liquid cannot be polluted. For example, the hose may be made of silicone rubber or fluororubber. The material of hose is not specifically limited to this embodiment, as long as can be extruded by the gyro wheel in the pump head of peristaltic pump.

Referring to fig. 2, in another possible embodiment, the feeding part includes a feeding pipeline, the feeding pipeline includes a first section 105 and a second section 106, one end of the first section 105 is communicated with the inside of the material box 20, one end of the second section 106 is communicated with the inside of the material box 20, the other end of the first section 105 and the other end of the second section 106 are both connected with a pump head of the conveying power part 103, the other end of the first section 105 is communicated with the other end of the second section 106, and the conveying power part 103 is configured to suck out the resin liquid in the material box 20 and enter the material box 20 through the first section 105 and the second section 106 in sequence.

Wherein, carry power 103 to suck the resin liquid in magazine 20, flow to the inner chamber of pump head through first section 105, enter magazine 20 through second section 106 to reach the purpose of pump sending resin liquid. Alternatively, the heating mechanism 12 is configured to heat the resin liquid in the second section 106. It is to be understood that the heating means 12 may be provided for heating the resin liquid in the first stage 105. Illustratively, the delivery power member 103 may be selected from a gear pump or a piston pump.

The pump head of the gear pump consists of a pump body, a front cover, a rear cover and two gears to form two closed spaces. Illustratively, the other end of the first segment 105 communicates with a space on the gear disengagement side (a suction chamber), and the other end of the second segment 106 communicates with a space on the gear engagement side (a discharge chamber), wherein the suction chamber and the discharge chamber are separated by the meshing line of the two gears. When the gear rotates, the volume of the suction chamber increases from small to large, a vacuum is formed, the resin liquid in the magazine 20 is sucked, the volume of the discharge chamber decreases from large to small, and the resin liquid is squeezed into the second section 106 and is conveyed into the magazine 20 through the second section 106. It should be noted that two gears of the gear pump are driven by a motor, the motor is in transmission connection with one of the gears, and one of the gears is meshed with the other gear to drive the other gear to rotate.

The piston pump is also called an electric reciprocating pump, and the piston pump sucks the resin liquid in the material box 20 out of the first section 105, the resin liquid enters the inner cavity of the pump head of the piston pump, and the resin liquid is discharged into the second section 106 through the motion of the piston. When the piston pump is selected, a first check valve 105a needs to be installed in the first stage 105, and a second check valve 106a needs to be installed in the second stage 106. Wherein the first check valve 105a is configured such that the resin liquid can flow only to the pump head of the piston pump through the first stage 105, and the second check valve 106a is configured such that the resin liquid can flow only to the second stage 106 through the pump head of the piston pump.

Further, referring to fig. 3, the heating mechanism 12 includes a heating body 121, the heating body 121 has a heating chamber 121a therein, and the heating section of the feeding pipe is disposed in the heating chamber 121 a. In a possible embodiment, the heating means 12 further comprises a heating member for heating the resin liquid in the heating section.

Illustratively, the heating member includes a heating member 1221 and a first power supply 1222 (refer to fig. 4), and the heating member 1221 may be a heating film or a heating tube. Illustratively, the heating tube or the heating film is electrically connected to the first power supply 1222, and the heating member 1221 is installed inside the heating chamber 121 a. During the use, first power supply unit 1222 supplies power to heating pipe or heating membrane for heating pipe or heating membrane circular telegram produce the heat, and the heat that produces gives off at heating chamber 121a, thereby fully heats the resin liquid in the heating section. Illustratively, when the heating member 1221 selects a heating film, the heating film is attached to the inner wall of the heating body 121. When selecting a heating tube, the heating tube may be placed directly inside the heating chamber 121 a. The heating body 121 may be made of a metal material, a ceramic material, or a refractory material. In addition, the first power supply 1222 may be a power supply device electrically connected to the heating member 1221; the first power supply 1222 may also include a cable, a plug and a socket, wherein one end of the cable is electrically connected to the heating element 1221, the other end of the cable is electrically connected to the plug, the socket is electrically connected to a power source, and the plug is plugged into the socket, so that the power supply device can supply power to the heating element 1221 through the cooperation of the plug and the socket. Wherein, the heating body 121 is provided with a mounting hole, the cable penetrates through the mounting hole, and the aperture of the mounting hole is slightly larger than the outer diameter of the cable, so that the cable can just penetrate through the mounting hole without a gap between the cable and the aperture of the mounting hole, and the heat dissipation from the mounting hole is reduced. Illustratively, the aperture of the mounting hole is 1-3 mm larger than the outer diameter of the cable.

In another possible embodiment, the material of the heating body 121 is an electric heating material, the heating body 121 is connected to the second power supply device 14, the heating body 121 is electrically connected to the second power supply device 14 (see fig. 5), and the heating body 121 is configured to heat the resin liquid in the heating section. The electric heating material is a material that can generate heat when energized. For example, the heating body 121 may be made of a metal-based electric heating material such as cast aluminum or cast iron, or a ceramic-based heating material, the second power supply device 14 supplies power to the heating body 121, and the heating body 121 made of the electric heating material is heated after being powered on, and transfers heat to the resin liquid in the heating section in the heating chamber 121a, so that the temperature of the resin liquid is increased and the viscosity of the resin liquid is reduced. The second power supply device 14 may be a power supply device, and the power supply device is electrically connected to the heating body 121; the second power supply device 14 may also include a cable, a plug and a socket, one end of the cable is electrically connected to the heating body 121, the other end of the cable is connected to the plug, the socket is electrically connected to a power source, the plug is inserted into the socket, and the power source can supply power to the heating body 121 through the cooperation between the plug and the socket.

Wherein, the circulation heating structure 10 further includes a thermostat 13, the thermostat 13 is installed near the outlet of the heating section or the inlet of the magazine 20, and the thermostat 13 can be fixed on the outer wall of the heating body 121 (refer to fig. 1 and 3) or the outer wall of the magazine 20 by bolts. Illustratively, the thermostat 13 is controlled using a PID algorithm. In a possible embodiment, the thermostatic control 13 is electrically connected to the heating means, and the thermostatic control 13 is used for detecting the temperature of the resin liquid at the outlet of the heating section or at the inlet of the cartridge 20 and for controlling the heating means to start or stop heating. It should be noted that the inlet end of magazine 20 is the location where magazine 20 connects to the discharge end 102 of the feed channel.

In another possible embodiment, the thermostatic control 13 is electrically connected to the second power supply means 14, the thermostatic control 13 being adapted to detect the temperature of the resin liquid at the outlet of the heating section or at the inlet of the magazine 20 and to control the second power supply means 14 to supply or to cut off power to the heating body 121.

Illustratively, the thermostat 13 includes a temperature sensing module 131 and a control module 132, wherein the temperature sensing module 131 is electrically connected to the control module 132, the control module 132 is in signal connection with a first power supply 1222 (refer to fig. 4), or the control module 132 is in signal connection with a second power supply 14 (refer to fig. 5), that is, the control module 132 may be in signal connection with a power supply or an outlet. The temperature sensing module 131 detects the temperature of the resin liquid at the outlet of the heating section or at the inlet of the magazine 20, and transmits a detected temperature signal to the control module 132, the control module 132 receives the temperature signal and determines whether the temperature reaches a preset temperature, and if the temperature does not reach the preset temperature, the control module controls the first power supply device 1222 to supply power to the heating element 1221 (refer to fig. 4) or controls the second power supply device 14 to supply power to the heating body 121 (refer to fig. 5); if the preset temperature is reached, the first power supply unit 1222 and the heating member 1221 are controlled to be powered off (refer to fig. 4) or the second power supply unit 14 and the heating body 121 are controlled to be powered off (refer to fig. 5), so that the heating temperature of the resin liquid in the heating section is controlled. The temperature of the resin liquid can be accurately controlled through the thermostatic controller 13, the heated resin liquid is continuously conveyed into the material box 20, the photosensitive resin in the material box 20 can be always kept in a better temperature range in the printing process, and the printed model effect is better.

The temperature sensing module 131 may be a temperature sensor, which may be a temperature sensor commonly used in the market, such as a thermocouple, a thermistor, a Resistance Temperature Detector (RTD), an IC temperature sensor, and the like. The thermistor can be a thermistor temperature sensor of MF12 series, MF53 series or MZ11 series. When the thermostatic controller 13 is installed at the outlet of the heating section, the temperature sensing module 131 detects the temperature of the pipe wall at the outlet of the heating section, and the temperature sensing module 131 indirectly detects the temperature of the resin liquid at the outlet of the heating section; when the thermostatic controller 13 is installed at the inlet of the cartridge 20, the temperature sensing module 131 detects the temperature of the outer wall of the cartridge 20 at the inlet of the cartridge 20, and the temperature sensing module 131 indirectly detects the temperature of the resin liquid at the inlet of the cartridge 20. In addition, the control module 132 may be a general-purpose Processor including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components. Wherein the general purpose processor may be a microprocessor or any conventional processor or the like.

When the power supply unit is selected by the first power supply unit 1222 or the second power supply unit 14, an isolation switch is provided between the power supply unit and the heating body 121 or between the power supply unit and the heating member 1221, and the heating body 121 or the heating member 1221 is coupled to the power supply unit through the isolation switch. The isolation switch may be a switch tube, a relay, or any component that meets the requirement of controlling the power on/off between a component and the power supply according to the control instruction sent by the control module 132. When the first power supply device 1222 or the second power supply device 14 selects a connection mode of the plug and the socket, the socket has a switch.

In a possible embodiment, the outlet of the heating section is substantially free of gaps with the inlet end of cartridge 20, i.e. the outlet of the heating section is the inlet end of cartridge 20, so as to ensure that the heated resin liquid flows directly into cartridge 20, thereby reducing heat dissipation of the resin liquid.

Further, with reference to fig. 3, the heating section includes a plurality of liquid channels 1111 connected in sequence, each liquid channel 1111 includes a liquid inlet end 1111a and a liquid outlet end 1111b disposed opposite to each other, and the liquid inlet end 1111a and the liquid outlet end 1111b of two adjacent liquid channels 1111 are disposed on the same side of the heating section. That is, as shown in fig. 3, from the upper side to the lower side (the direction indicated by the arrow a), the liquid inlet end 1111a of the first liquid flow channel is on the same side (on the right side of the heating section) as the liquid outlet end 1111b of the second liquid flow channel, the liquid outlet end 1111b of the second liquid flow channel is on the same side (on the left side of the heating section) as the liquid inlet end 1111a of the third liquid flow channel, and so on. Such a heating stage structure can increase the flow path of the resin liquid in the heating stage, and the resin liquid can be sufficiently heated by a longer stay time in the heating chamber 121 a. It is understood that only one liquid channel 1111 may be provided in the heating section.

Further, two adjacent liquid flow channels 1111 are connected through an arc-shaped flow channel 1112, the arc-shaped flow channel 1112 protrudes along a preset direction, and the preset direction is a direction in which the liquid inlet end 1111a points to the liquid outlet end 1111 b. The two liquid flow channels 1111 are connected through the arc-shaped flow channel 1112, and the arc-shaped flow channel 1112 protrudes along the direction that the liquid inlet end 1111a points to the liquid outlet end 1111b, so that the resin liquid has better fluidity when passing through the arc-shaped flow channel 1112, and the probability of generating precipitates in the resin liquid is reduced.

Illustratively, when the hose is selected, the heating body 121 may be configured (refer to fig. 6) such that the heating body 121 is composed of two mounting members 1211, the two mounting members 1211 are each of a hollow structure having a cavity 1211a therein, the cavities 1211a of the two mounting members 1211 form the heating chamber 121a, and one surface of the two mounting members 1211 has a mounting groove 1211b, and the two mounting grooves 1211b can form one mounting channel when the two mounting members 1211 are mounted together. The heating section of the hose can be installed in the installation channel, and the arrangement of the hose can be limited by the installation channel, that is, the hose with different arrangements can be limited by the shape of the installation groove 1211 b. The heating body 121 having such a structure may attach the heating film to the inner wall of the mounting groove 1211b if the heating film is selected; when selecting a heating tube, the heating tube may be installed in the cavity 1211a of the installation member 1211, and the surface of the installation groove 1211b may be made of metal or ceramic material to achieve better heat conduction.

It will be appreciated that the heating section may not be provided, and the feed conduit is in direct communication with the mounting channel, so that the resin liquid can directly enter the mounting channel to be heated, and the outlet end of the mounting channel is in communication with the magazine 20 via another conduit.

The embodiment also provides a printer, which comprises the cartridge resin liquid thermal cycle structure 100.

The working principle of the printer of the embodiment of the application is described in the following steps:

when the printer works, the resin liquid is sucked out of the material box 20 under the action of the conveying power part 103 and enters the feeding channel, the resin liquid is heated in the heating cavity 121a when flowing through the heating section, the heating temperature of the resin liquid can be accurately controlled through the constant temperature controller 13, and the heated resin liquid is input into the material box 20. The viscosity of the heated resin liquid is reduced, the fluidity is increased, the drawing force during the separation of the resin liquid is reduced, and the purpose of improving the printing success rate is achieved. In the process of circulating flow of the resin liquid, all the components of the resin liquid flow along with the resin liquid, so that all the components can be fully mixed, and the probability of precipitation of the resin liquid is reduced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. The utility model provides a feed box resin liquid thermal cycle structure, a serial communication port, feed box resin liquid thermal cycle structure includes the feed box and the circulation heating structure of printer, circulation heating structure set up in outside the feed box, circulation heating structure includes the pay-off part, carries power spare and heating mechanism, the inside pay-off passageway that has of pay-off part, the both ends of pay-off passageway all with the inside intercommunication of feed box, carry power spare to be constructed into with in the feed box resin liquid suction warp the pay-off passageway enters into in the feed box, heating mechanism is constructed into the heating in the pay-off passageway resin liquid.

2. The cartridge resin liquid heat circulation structure according to claim 1, wherein the feeding member includes a feeding pipe, the feeding pipe is a flexible pipe, both ends of the flexible pipe are respectively communicated with the inside of the cartridge, the conveying power member is a peristaltic pump, at least one section of the flexible pipe is mounted on a pump head of the peristaltic pump, the pump head can press the flexible pipe to change the cross-sectional space of the flexible pipe, the resin liquid in the cartridge is sucked out and conveyed into the cartridge through the flexible pipe, and the heating mechanism is configured to heat the resin liquid in the flexible pipe.

3. The cartridge resin liquid heat cycle structure of claim 1, wherein the feeding part comprises a feeding pipeline, the feeding pipeline comprises a first section and a second section, one end of the first section is communicated with the inside of the cartridge, one end of the second section is communicated with the inside of the cartridge, the other end of the first section and the other end of the second section are both connected with the pump head of the power transmission part, the other end of the first section is communicated with the other end of the second section, and the power transmission part is configured to suck out the resin liquid in the cartridge, and the resin liquid sequentially passes through the first section and the second section and enters the cartridge.

4. The cartridge resin liquid heat cycle structure according to claim 2 or 3, wherein the heating mechanism includes a heating main body having a heating chamber therein, and a heating member having a heating section of the feed pipe disposed inside the heating chamber, the heating member being configured to heat the resin liquid in the heating section.

5. The cartridge resin liquid heat cycle structure of claim 4, wherein the circulation heating structure further comprises a constant temperature controller electrically connected to the heating member.

6. The cartridge resin liquid heat cycle structure according to claim 2 or 3, wherein the heating mechanism comprises a heating body, a heating chamber is arranged inside the heating body, the heating section of the feeding pipeline is arranged inside the heating chamber, the heating body is made of an electric heating material, a power supply device is connected to the heating body, the heating body is electrically connected with the power supply device, and the heating body is configured to heat the resin liquid in the heating section.

7. The cartridge resin liquid heat cycle structure of claim 6, wherein the circulation heating structure further comprises a constant temperature controller, and the constant temperature controller is electrically connected with the power supply device.

8. The cartridge resin liquid heat cycle structure of claim 4, wherein the heating section comprises a plurality of liquid flow channels which are sequentially communicated, each liquid flow channel comprises a liquid inlet end and a liquid outlet end which are oppositely arranged, and the liquid inlet end and the liquid outlet end of two adjacent liquid flow channels are arranged on the same side of the heating section.

9. The cartridge resin liquid heat circulation structure according to claim 8, wherein two liquid flow passages adjacently arranged are connected by an arc flow passage, the arc flow passage protrudes in a preset direction, and the preset direction is a direction in which the liquid inlet end points to the liquid outlet end.

10. The cartridge resin liquid heat cycle structure of claim 6, wherein the heating section comprises a plurality of liquid flow channels which are sequentially communicated, each liquid flow channel comprises a liquid inlet end and a liquid outlet end which are oppositely arranged, and the liquid inlet end and the liquid outlet end of two adjacent liquid flow channels are arranged on the same side of the heating section.

11. The cartridge resin liquid heat circulation structure according to claim 10, wherein two liquid flow passages adjacently arranged are connected by an arc flow passage, the arc flow passage protrudes in a preset direction, and the preset direction is a direction in which the liquid inlet end points to the liquid outlet end.

12. A printer characterized by comprising the cartridge resin liquid heat cycle structure as claimed in any one of claims 1 to 11.