阅读说明：本技术 用于出料装置的加热组件 (Heating assembly for discharging device ) 是由 周海鹏 于 2021-09-08 设计创作，主要内容包括：本发明公开了用于出料装置的加热组件,属于3D打印设备领域。该加热组件包括：筒身单元、底座单元和控制单元,筒身单元收容于出料装置的外壳组件内,并与其内壁连接,用于对外壳组件的收容空间加热,底座单元收容于出料装置的外壳组件内,并与其设有出料孔的底壁连接,用于对外壳组件的收容空间加热,控制单元与筒身单元和底座单元电连接,用于调整筒身单元和底座单元的加热温度,使筒身单元和底座单元的加热温度之间存在温度差值。本发明通过在外壳组件内设置筒身单元和底座单元,并通过控制单元使筒身单元和底座单元的加热温度之间存在温度差值,能够使筒身单元和底座单元在外壳组件的不同位置输出不同的加热温度,进而保证了出料速度。(The invention discloses a heating assembly for a discharging device, and belongs to the field of 3D printing equipment. This heating element includes: the barrel body unit is contained in a shell component of the discharging device and connected with the inner wall of the shell component, the containing space of the shell component is heated, the base unit is contained in the shell component of the discharging device and connected with the bottom wall of the discharging hole, the containing space of the shell component is heated, and the control unit is electrically connected with the barrel body unit and the base unit and used for adjusting the heating temperature of the barrel body unit and the base unit and enabling a temperature difference value to exist between the heating temperatures of the barrel body unit and the base unit. According to the invention, the cylinder body unit and the base unit are arranged in the shell assembly, and the temperature difference exists between the heating temperatures of the cylinder body unit and the base unit through the control unit, so that the cylinder body unit and the base unit can output different heating temperatures at different positions of the shell assembly, and the discharging speed is further ensured.)

1. A heating element for a discharge device, comprising:

the cylinder body unit is accommodated in the shell component of the discharging device, is connected with the inner wall of the shell component and is used for heating the accommodating space of the shell component;

the base unit is accommodated in the shell component of the discharging device, is connected with the bottom wall of the shell component provided with the discharging hole and is used for heating the accommodating space of the shell component;

and the control unit is electrically connected with the cylinder body unit and the base unit and used for adjusting the heating temperatures of the cylinder body unit and the base unit so that a temperature difference exists between the heating temperatures of the cylinder body unit and the base unit.

2. The heating assembly for an outfeed device according to claim 1, wherein said barrel unit comprises:

at least one heating element accommodated in the shell component of the discharging device and connected with the inner wall of the shell component;

when the number of the heating elements is two or more, distance difference exists between the different heating elements and the distance of the discharge hole of the shell component;

the heating elements are electrically connected with the control unit, and the heating elements enable temperature difference among different heating elements.

3. The heating assembly for an outfeed device of claim 2, wherein said heating element comprises:

the cylinder body heating film is attached to the inner wall of the shell component and is electrically connected with the control unit;

the cylinder body heating tile is attached to the other side of the cylinder body heating film;

in operation, the heating element forms an annular heating space.

4. The heating assembly for an outfeed device according to claim 1, wherein said barrel unit comprises:

the main body heating film is attached to the inner wall of the main body shell of the shell component and is electrically connected with the control unit;

the main body heating tile is attached to the other side of the main body heating film;

the movable heating film is attached to the inner wall of the movable shell of the shell component and is electrically connected with the main body heating film;

the movable heating tile is attached to the other side of the movable heating film.

5. The heating assembly for an outfeed device of claim 1, wherein the base unit comprises:

the metal base is fixedly or detachably connected with the bottom wall of the containing space of the shell component, and a material through hole is formed in the metal base along the axial direction of the discharge hole of the shell component;

and the base heating element is attached to the outer wall of the metal base and is electrically connected with the control unit.

6. The heating assembly for an outfeed device of claim 1, wherein the base unit comprises:

the heating block is fixedly connected or detachably connected with the bottom wall of the containing space of the shell component, and an installation through hole is formed in the heating block along the axial direction of the discharge hole of the shell component;

the discharging head is fixedly or detachably connected with the heating block, and a material through hole is formed in the discharging head along the axis direction of the discharging hole;

and the base heating element is attached to the outer wall of the heating block and is electrically connected with the control unit.

7. The heating assembly for an outfeed device of claim 1, further comprising:

the at least two temperature sensors are accommodated in the shell component of the discharging device and are attached to the barrel body unit and/or the base unit;

the temperature sensor is electrically connected with the control unit.

Technical Field

The invention belongs to the field of 3D printing equipment, and particularly relates to a heating assembly for a discharging device.

Background

The current food material 3D prints and to accept food material in the material pipe and seted up the discharge opening in material pipe bottom, food material in the material pipe is extruded from the discharge opening through heating softening and extrusion ejection of compact mode, wherein heating element's in discharging device's the shell subassembly whole heating temperature is the same, and food material majority is that composite material its melting characteristics also differ according to its different constitutions, use chocolate as an example, chocolate is at the extruded in-process of heating, the chocolate temperature that can appear being close to the discharge opening reduces the uneven problem of ejection of compact speed that leads to, consequently need provide a heating element that can export different heating temperature in the different positions of shell subassembly.

Disclosure of Invention

The purpose of the invention is as follows: a heating assembly for a discharge device is provided to solve the above problems of the prior art.

The technical scheme is as follows: a heating assembly for an outfeed device comprising: the barrel body unit is accommodated in the shell component of the discharging device, is connected with the inner wall of the shell component and is used for heating the accommodating space of the shell component.

And the base unit is accommodated in the shell component of the discharging device, is connected with the bottom wall of the shell component provided with the discharging hole and is used for heating the accommodating space of the shell component.

And the control unit is electrically connected with the cylinder body unit and the base unit and used for adjusting the heating temperatures of the cylinder body unit and the base unit so that a temperature difference exists between the heating temperatures of the cylinder body unit and the base unit.

In a further embodiment, the barrel unit comprises: and the at least one heating element is accommodated in the shell component of the discharging device and is connected with the inner wall of the shell component.

When the number of the heating elements is two or more, different distances from the heating elements to the discharge hole of the shell component have different distances.

The heating elements are electrically connected with the control unit, and the heating elements enable temperature difference among different heating elements.

In a further embodiment, the heating element comprises: and the cylinder body heating film is attached to the inner wall of the shell component and is electrically connected with the control unit.

The cylinder body heating tile is attached to the other side of the cylinder body heating film.

In operation, the heating element forms an annular heating space.

In a further embodiment, the barrel unit comprises: and the main body heating film is attached to the inner wall of the main body shell of the shell component and is electrically connected with the control unit.

And the main body heating tile is attached to the other side of the main body heating film.

And the movable heating film is attached to the inner wall of the movable shell of the shell component and is electrically connected with the main body heating film.

The activity heating tile, with the opposite side laminating of activity heating film, through the inner wall at the activity shell set up activity heating tile and activity heating film to make main part heating film and control unit electricity be connected, activity heating film main part heating film electricity is connected, can make the activity shell of shell subassembly the same with main part shell relevant position heating temperature and temperature regulation, make the partial temperature that the material pipe is close to the activity shell the same with the temperature of main part, solved the inhomogeneous problem of material temperature of material pipe interior printing.

In a further embodiment, the base unit comprises: the metal base is fixedly connected or detachably connected with the bottom wall of the containing space of the shell component, and a material through hole is formed in the metal base along the axis direction of the discharge hole of the shell component.

And the base heating element is attached to the outer wall of the metal base and is electrically connected with the control unit.

In a further embodiment, the base unit comprises: the heating block is fixedly connected or detachably connected with the bottom wall of the containing space of the shell component, and the heating block is provided with an installation through hole along the axis direction of the discharge hole of the shell component.

The discharging head is fixedly connected with the heating block or detachably connected with the heating block, and a material through hole is formed in the discharging head along the axis direction of the discharging hole.

Base heating element, the laminating is at the outer wall of heating block to be connected with the control unit electricity, through using heating block installation stub bar and base heating element, can only change when needs use different ejection of compact diameters small, simple structure, and the simple ejection of compact head of dismouting can realize the change of different diameter material through-holes, need not change bulky and complicated heating block, solved the dismouting and consumed long and have the extravagant problem of material.

In a further embodiment, the heating assembly further comprises: and the at least two temperature sensors are accommodated in the shell component of the discharging device and are attached to the barrel body unit and/or the base unit.

The temperature sensor is electrically connected with the control unit.

Has the advantages that: the invention discloses a heating assembly for a discharging device, which is characterized in that a barrel unit and a base unit are arranged in a shell assembly, and a control unit is used for enabling the heating temperatures of the barrel unit and the base unit to have a temperature difference value, so that the barrel unit and the base unit can output different heating temperatures at different positions of the shell assembly, the problem that the printing material temperature is uneven due to the fact that the whole heating temperature is the same and the corresponding temperature control cannot be carried out according to the melting characteristics of the printing material is solved, and the discharging speed is further ensured.

Drawings

FIG. 1 is a schematic view of a two heating element cartridge unit embodiment of the present invention.

Figure 2 is a schematic view of a three heating element cartridge unit embodiment of the present invention.

Fig. 3 is a schematic partial cross-sectional view of the base unit of the present invention as it is comprised of a heating block and a discharge head.

Fig. 4 is a schematic top-down view of a barrel unit of the present invention.

FIG. 5 is a schematic view of the entire discharge device with one heating element of the present invention.

The reference numerals shown in fig. 1 to 5 are: the device comprises a barrel unit 1, a base unit 2, a shell assembly 3, a base 4, a main body heating tile 11, a movable heating tile 12, a heating block 21, a discharging head 22, a main body shell 31 and a movable shell 32.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

The application discloses a heating assembly capable of outputting different heating temperatures at different positions within a housing assembly.

This heating element includes: a barrel unit 1, a base unit 2 and a control unit.

This heating element is used for discharging device, and discharging device includes: heating assembly, housing assembly 3, susceptor 4, drive assembly and feed tube.

Shell subassembly 3 is fixed in the one end of base 4, and the discharge opening has been seted up to the one end that shell subassembly 3 kept away from base 4, is provided with accommodating space in the shell subassembly 3, and the material pipe setting is in accommodating space.

The driving assembly comprises a through motor, a screw rod and a piston, the through motor is fixed in the base 4, the screw rod penetrates through the through motor and the base 4 and extends into the material pipe, the piston is in sealing fit with the material pipe, and the screw rod drives the piston to do reciprocating motion in the material pipe.

The barrel unit 1 and the base unit 2 of the heating assembly are contained in a shell assembly 3 of the discharging device, and the control unit is contained in a base 4.

The barrel unit 1 is accommodated in a shell component 3 of the discharging device, is connected with the inner wall of the shell component and is used for heating an accommodating space of the shell component 3.

The base unit 2 is accommodated in the housing component 3 of the discharging device, is connected with the bottom wall of the discharging device provided with the discharging hole and is used for heating the accommodating space of the housing component 3.

The control unit is electrically connected with the cylinder unit 1 and the base unit 2 and is used for adjusting the heating temperatures of the cylinder unit 1 and the base unit 2 to ensure that a temperature difference exists between the heating temperatures of the cylinder unit 1 and the base unit 2, the temperature difference can be zero, and when the difference is zero, the heating temperatures of the cylinder unit 1 and the base unit 2 are equal.

The control module can be a hardware circuit, for example, realized by an adjustable resistor or a series-parallel resistor, or realized by a controller such as a single chip microcomputer based on the existing PID module, and the temperature is controlled by adjusting the set parameters of the existing PID module, for example, by adjusting a parameter adjusting frame of a user interface, or by increasing or decreasing related parameters through an entity key, and the control can be realized without changing software.

The working principle is as follows: heating temperature when setting for stack shell unit 1 and base unit 2 different operating time in the control module according to the melting characteristics of printing material, the heating temperature that makes stack shell unit 1 and base unit 2 can have the temperature difference, can make stack shell unit 1 and base unit 2 export different heating temperature in the different positions of shell subassembly 3, solved that whole heating temperature is the same can't carry out the uneven problem of printing material temperature that corresponding control by temperature change leads to according to printing material melting characteristics, and then guaranteed ejection of compact speed.

In the present embodiment, the barrel unit 1 includes: at least one heating element.

At least one heating element is accommodated in the housing assembly 3 of the tapping device and is connected to its inner wall.

When the number of the heating elements is two or more, there is a distance difference between the distances from different heating elements to the discharge hole of the housing assembly 3.

The heating elements are electrically connected with the control unit, the heating elements enable temperature difference values to exist among different heating elements, the temperature difference values can be zero, and when the difference values are zero, heating temperatures among the heating elements are equal.

In this embodiment, the heating element comprises: a cylinder heating film and a cylinder heating tile.

The barrel heating film is attached to the inner wall of the housing assembly 3.

The cylinder heating tile is attached to the other side of the cylinder heating film, and the cylinder heating film is clamped between the cylinder heating tile and the inner wall of the shell component 3.

In operation, the heating element forms an annular heating space.

In the present embodiment, the heating film is a thin film member with a low thickness and is not shown in the schematic view, but in the embodiment shown in fig. 4, the end of the cartridge heating shoe is connected to the housing assembly 3, and a mounting chamber for mounting the heating film is provided between the cartridge heating shoe and the housing assembly 3.

When the heating element forms an annular heating space in operation, as shown in fig. 4, closing the movable shell 32 can enable the heating element to form the annular heating space to heat the accommodating space of the shell assembly 3.

In a further embodiment, when the housing assembly 3 comprises the main body housing 31 and the movable housing 32, and the movable housing 32 is a revolving door or a separating door, the barrel unit 1 in the prior art is only attached to the inner wall of the main body housing 31, and there is a problem that the temperature of the part of the material pipe close to the movable housing 32 is lower than the temperature of the part close to the main body, which results in uneven temperature of the printing material in the material pipe.

In order to solve the above problem, the barrel unit 1 includes: a main body heating tile 11, a main body heating film, a movable heating tile 12 and a movable heating film.

The body heating film is attached to the inner wall of the body case 31 of the case assembly 3 and electrically connected to the control unit.

The main body heating tile 11 is attached to the other side of the main body heating film.

The movable heating film is attached to the inner wall of the movable case 32 of the case assembly 3 and electrically connected to the main body heating film.

The movable heating tile 11 is jointed with the other side of the movable heating film.

In this embodiment, the cartridge heating shoe is composed of a main body heating shoe 11 and a movable heating shoe 12, and the cartridge heating film is composed of a main body heating film and a movable heating film.

Through the inner wall at activity shell 32 setting up activity shell 32 heating tile and activity shell 32 heating film to make main part shell 31 heating film and control unit electricity be connected, activity shell 32 heating film main part shell 31 heating film electricity is connected, can make the activity shell 32 of shell subassembly 3 the same with main part shell 31 relevant position heating temperature and temperature regulation, make the partial temperature that the material pipe is close to activity shell 32 the same with the temperature of main part, solved the uneven problem of material temperature of the interior printing material of material pipe.

In the present embodiment, the base unit 2 includes: a metal base and a base heating element.

The metal base is fixedly connected or detachably connected with the bottom wall of the containing space of the shell component 3, and a material through hole is formed in the metal base along the axis direction of the discharge hole of the shell component 3.

And the base heating element is attached to the outer wall of the metal base and is electrically connected with the control unit.

In a further embodiment, all need change the metal base when the metal base needs to use different ejection of compact diameters and can realize, the material of metal base is more, and still the laminating has base heating element, and the dismouting is long-time and has the extravagant problem of material.

In order to solve the above problem, the base unit 2 includes: a heating block 21, an ejection head 22 and a base heating element.

The heating block 21 is fixedly connected or detachably connected with the bottom wall of the accommodating space of the shell component 3, and the heating block 21 is provided with an installation through hole along the axial direction of the discharge hole of the shell component 3.

The discharging head 22 is fixedly connected or detachably connected with the heating block 21, and a material through hole is formed in the discharging head 22 along the axis direction of the discharging hole.

The base heating element is attached to the outer wall of the heating block 21 and is electrically connected to the control unit.

In the above embodiments, the base heating element is a heating ring or a PI heating film of the same material as the barrel heating film.

Through using heating block 21 to install stub bar 22 and base heating element, can only change when needs use different ejection of compact diameters small, simple structure, and the simple ejection of compact head 22 of dismouting can realize the change of different diameter material through-holes, need not change bulky and complicated heating block 21, solved the dismouting and consumed long time and have the extravagant problem of material.

In a further embodiment, the heating of the printing material may not be uniform, and the temperature in the storage space may be lost too quickly due to too fast discharge, which may result in insufficient heating of the printing material in the storage space, and therefore, the heating adjustment performed only by fixing according to the melting characteristics of the printing material may not be flexible and may not be flexible.

In order to solve the above problem, the heating assembly further includes: at least two temperature sensors.

The temperature sensor is accommodated in the shell component 3 of the discharging device and is jointed with the inner wall of the cylinder body unit 1 and/or the base unit 2, the temperature sensor is a film temperature sensor with small thickness and volume in the embodiment, and therefore, the temperature sensor is not shown in the figure, the film temperature sensor can be jointed with the heating film, and also can be jointed with one side of the heating tile far away from the heating film, and in the embodiment shown in the figure, the film temperature sensor is jointed with the heating film.

Temperature sensor is connected with the control unit electricity, and temperature sensor transmits the temperature data in the shell subassembly 3 for the control unit, and the control unit adjusts the heating temperature of stack shell unit 1 and base unit 2 according to the temperature data of temperature sensor's transmission, for example: when the heating temperature in the accommodating space of the housing assembly 3 reaches a preset value and the data difference transmitted to the control unit by all the temperature sensors is within a preset range, the temperature difference between the barrel unit 1 and the base unit 2 and the temperature difference between different heating elements of the barrel unit 1 are zero, so that the accommodating space of the housing assembly 3 is kept in a constant temperature state.

When the temperature of the containing space of the shell component 3 close to one end of the discharge hole is lower than the temperature of the end far away from the discharge hole, the control unit enables the heating temperature of the base unit 2 to be higher than the heating temperature of the barrel unit 1, and enables the heating temperature of the heating element of the barrel unit 1 close to one end of the discharge hole to be higher than the heating temperature of the heating element of the barrel unit 1 far away from one end of the discharge hole.

The heating temperature in the accommodating space is detected through the temperature sensor, so that the control unit can adjust the heating temperature at different positions in the accommodating space according to the actual heating condition on the basis of the inherent heating adjustment, the heating flexibility is improved, and the temperature uniformity of the printing material is further ensured.

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.