3D printer with cavity heater

Abstract

The 3D printer comprises a cavity and further comprises a heating device used for reducing the temperature difference of the upper portion and the lower portion in the cavity. The heating assembly is used for heating air; the air guide assembly is used for driving air in the cavity to flow anticlockwise; the shell is fixedly connected with the inner wall of the bottom of the cavity; the fan is fixedly mounted in the top of the shell; the heating sheet is fixedly mounted in the bottom of the shell; the small holes are uniformly formed in the side surface of the top of the shell; the air outlet is formed in the bottom of the shell, and an air guide plate is arranged in the air outlet; the inclined plate is fixedly arranged between the air inlet of the fan and the heating sheet; in daily production and life, the draught fan and the heating piece are of an up-down structure, heated air is blown out towards the inner bottom of the cavity, hot air gradually moves upwards through the bottom of the cavity, the air temperature in the cavity is made to be consistent, and the temperature difference between the inner top and the inner bottom of the cavity is reduced.

Description

Technical Field

[0001] The utility model relates to a 3D printer with a chamber heater. Background Art

[0002] 3D printers are also called three-dimensional printers. The products manufactured by 3D printers are three-dimensional. They are a type of machine that uses rapid prototyping technology. 3D printers have extremely high requirements for temperature during printing. The printed products are prone to warping, shrinkage and deformation due to temperature changes. In order to improve the printing quality, the chamber of the 3D printer needs to be kept at a constant temperature. For example, patent number CN117325452A has a high-temperature 3D printer printing chamber with good sealing. The turbine fan drives the air flow in the chamber and sends air to the top of the fixed plate, so that the air flow is heated by the heating rod and then blown out from the air outlet to heat the printing chamber. A thermocouple is provided on the air outlet to detect the outlet temperature, which is convenient for temperature control. The air flow is heated to maintain a high temperature in the printing chamber.

[0003] This embodiment can meet the requirement of maintaining high temperature in the chamber and ensure normal printing of the 3D printer, but it has the following defects:

[0004] 1. The air in the chamber is driven by a turbine fan and heated by a heating rod, and the heated air is output into the chamber through the air outlet. However, the heating device is located in the middle of the chamber and the air outlet is upward. The heated air flows upward, causing a temperature difference between the top and bottom of the chamber, and the constant temperature in the chamber cannot be guaranteed, which affects the printing effect of the 3D printer.

[0005] 2. The 3D printer will cause vibration in the chamber during operation, and the vibration of the chamber will affect the printing effect of the 3D model. Summary of the invention

[0006] The utility model aims to solve one of the technical problems existing in the prior art.

[0007] The present application provides a 3D printer with a chamber heater, comprising a chamber, and further comprising:

[0008] The heating device is used to reduce the temperature difference between the upper and lower parts of the chamber.

[0009] The heating device includes:

[0010] A heating component, which is used to heat the air;

[0011] The air guide component is used to drive the air in the chamber to flow counterclockwise.

[0012] The heating assembly includes:

[0013] A shell body fixedly connected to the inner wall of the bottom of the chamber;

[0014] A fan, which is fixedly installed in the top of the housing;

[0015] The heating plate is fixedly installed in the bottom of the shell.

[0016] The air guide assembly includes:

[0017] A plurality of small holes are evenly arranged on the top side of the shell;

[0018] An air outlet is provided at the bottom of the shell and has an air guide plate inside;

[0019] An inclined plate is fixedly arranged between the fan air outlet and the heating plate;

[0020] A pair of grilles are fixedly connected to the shell and the guide plate.

[0021] Also includes:

[0022] A mounting assembly for a movable mounting chamber;

[0023] The buffer assembly is used to buffer the vibration of the chamber.

[0024] The installation components include:

[0025] A support seat, which is movably mounted at the four corners of the bottom of the chamber;

[0026] A mounting frame fixedly connected to the bottom surface of the support base;

[0027] A mounting seat, the top of which is fixedly connected with a mounting rod;

[0028] Wherein, the mounting rod is movably mounted in the mounting frame.

[0029] The buffer components include:

[0030] The cylinder is movably mounted on the mounting frame and has a through hole inside;

[0031] A movable plate, which is movably mounted above the cylinder;

[0032] Several steel wire ropes, which respectively connect the two ends of the cylinder to the movable plate and the mounting frame. Also included:

[0033] The movable rod movably penetrates the movable rod and the through hole and is fixedly connected with the mounting rod; the limiting plate is fixedly mounted on the top of the movable rod.

[0034] The buffer spring has two ends fixedly connected to the movable plate and the mounting rod.

[0035] Also includes:

[0036] A placing plate is fixedly installed in the chamber and has a through slot in the middle;

[0037] The top of the bidirectional screw movably penetrates the placement plate and is rotatably installed in the through slot;

[0038] A pair of clamping plates are movably mounted on the bidirectional screw and are threadedly connected with the bidirectional screw.

[0039] The beneficial effects of the utility model are as follows:

[0040] 1. By changing the fan and the heating plate to an up-and-down structure, the heated air is blown out to the bottom of the chamber, and the hot air gradually moves upward through the bottom of the chamber, so that the air temperature in the chamber is consistent and constant, reducing the temperature difference between the top and bottom of the chamber, and preventing the temperature difference from affecting the printing effect of the 3D model;

[0041] 2. Place the chamber through the support seat and the mounting frame, use the steel wire rope to initially buffer the vibration of the chamber, and move the cylinder downward to squeeze the buffer spring to buffer the vibration of the chamber to prevent the vibration of the chamber from affecting the printing effect of the 3D model. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 This is a schematic diagram of the three-dimensional structure of the chamber in the embodiment of the present application;

[0043] Figure 2 This is a schematic diagram of the three-dimensional structure of the chamber uniform heating device in the embodiment of the present application;

[0044] Figure 3 This is a schematic diagram of the three-dimensional structure of the heating component in the embodiment of the present application;

[0045] Figure 4 This is a schematic diagram of the three-dimensional structure of the heating component in the embodiment of the present application;

[0046] Figure 5 This is a schematic diagram of the three-dimensional structure of the heating component in the embodiment of the present application;

[0047] Figure 6 This is a side view of the placement plate in the embodiment of the present application;

[0048] Figure 7 This is a top view of the placement plate in the embodiment of the present application;

[0049] Figure 8 Based Figure 2 A schematic diagram of the enlarged local structure in the middle.

[0050] Reference numerals

[0051] 1-chamber, 2-heating device, 3-heating component, 31-shell, 32-fan, 33-heating plate, 4-air guide component, 41-small hole, 42-air outlet, 43-air guide plate, 44-inclined plate, 45-grid, 5-mounting component, 51-support seat, 52-mounting frame, 53-mounting seat, 54-mounting rod, 6-buffer component, 61-cylinder, 62-through hole, 63-movable plate, 64-wire rope, 65-movable rod, 66-limiting plate, 67-buffer spring, 7-placing plate, 8-through slot, 9-bidirectional screw, 10-clamp. DETAILED DESCRIPTION

[0052] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0053] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0054] The server provided in the embodiment of the present application is described in detail below through specific embodiments and application scenarios in conjunction with the accompanying drawings.

[0055] Embodiment 1:

[0056] like Figures 1 to 5 As shown, an embodiment of the present application provides a 3D printer with a chamber heater, including a chamber 1 and a heating device 2, which is used to achieve uniform heating of the air in the chamber 1.

[0057] Furthermore, the heating component 3 is used to heat the air; the air guide component 4 is used to drive the air in the chamber 1 to flow counterclockwise.

[0058] Furthermore, the shell 31 is fixedly connected to the inner wall of the bottom of the chamber 1; the fan 32 is fixedly installed in the top of the shell 31; and the heating plate 33 is fixedly installed in the bottom of the shell 31.

[0059] Furthermore, a plurality of small holes 41 are evenly arranged on the top side of the shell 31; an air outlet 42 is arranged at the bottom of the shell 31, and an air guide plate 43 is arranged inside; an inclined plate 44 is fixedly arranged between the air outlet of the fan 32 and the heating plate 33; a pair of grilles 45 are fixedly connected to the shell 31 and the guide plate.

[0060] In this embodiment of the present application, due to the adoption of the above-mentioned structure, the heating device 2 is fixedly installed at the bottom of the chamber 1 to heat the air in the chamber 1; the air in the chamber 1 is driven to flow through the air guide component 4, and then the air is heated by the heating component 3; the fan 32 is started, and the fan 32 drives the air in the top of the chamber 1 to flow, and the fan 32 drives the air to flow from the small hole 41 on the shell 31 to the fan 32, and then the air flows out through the air outlet of the fan 32, and an inclined plate 44 is provided between the air outlet and the heating plate 33, and the inclined plate 4 4 centrally transmits the air to the heating plate 33, which heats the air, and then lets the heated air flow out through the air outlet 42 through the grille 45 and the air guide plate 43. The heated air continuously flows from the bottom to the top of the chamber 1, so that the temperature of the air in the chamber 1 is kept uniform. At the same time, a temperature sensor is provided under the heating plate 33, and the temperature of the heating plate 33 is monitored by the temperature sensor to prevent the temperature of the heating plate 33 from being too high, resulting in the output air temperature being too high, which affects the printed 3D model.

[0061] Embodiment 2:

[0062] like Figures 1 to 8 As shown, in this embodiment, in addition to the structural features of the aforementioned embodiments, it also includes a mounting assembly 5 for movably mounting the chamber 1 ; and a buffer assembly 6 for buffering the vibration of the chamber 1 .

[0063] Furthermore, the support seat 51 is movably installed at the four corners of the bottom of the chamber 1; the mounting frame 52 is fixedly connected to the bottom surface of the support seat 51; the mounting seat 53 has a mounting rod 54 fixedly connected to the top; wherein the mounting rod 54 is movably installed in the mounting frame 52.

[0064] Furthermore, the cylinder 61 is movably mounted on the mounting frame 52 and is provided with a through hole 62 inside; the movable plate 63 is movably mounted above the cylinder 61; and a plurality of steel wire ropes 64 fix the two ends of the cylinder 61 to the movable plate 63 and the mounting frame 52 respectively.

[0065] Furthermore, the movable rod 65 is movable through the movable rod 65 and the through hole 62 and is fixedly connected to the mounting rod 54; the limit plate 66 is fixedly installed on the top of the movable rod 65. The buffer spring 67 has two ends fixedly connected to the movable plate 63 and the mounting rod 54.

[0066] In this embodiment of the present application, due to the adoption of the above-mentioned structure, an extruder is provided in the chamber 1, and the position of the extruder is continuously moved so that the material is added layer by layer to realize printing. The movement of the extruder will cause the chamber 1 to vibrate; when the chamber 1 vibrates, the support seat 51 is caused to move downward, and the support seat 51 drives the mounting frame 52 to move downward, that is, the mounting frame 52 and the mounting rod 54 slide relative to each other; when the mounting frame 52 moves, the cylinder 61 is driven to move downward by the steel wire rope 64 under the cylinder 61, and at the same time, the movement of the cylinder 61 drives the movable plate 63 to move downward through the steel wire rope 64 above, and the movable plate 63 slides on the surface of the movable rod 65 and squeezes the buffer spring 67, so that the buffer spring 67 is deformed and the vibration of the chamber 1 is buffered.

[0067] Embodiment 3:

[0068] like Figures 1 to 7 As shown, in this embodiment, in addition to the structural features of the aforementioned embodiments, it also includes a placement plate 7, which is fixedly installed in the chamber 1 and has a through slot 8 in the middle; a bidirectional screw 9, the top end of which movably passes through the placement plate 7 and is rotatably installed in the through slot 8; and a pair of clamps 10, which are movably installed on the bidirectional screw 9 and are threadedly connected to the bidirectional screw 9.

[0069] In this embodiment of the present application, due to the adoption of the above-mentioned structure, the top end of the bidirectional screw 9 movably passes through the placement plate 7 and is rotatably installed in the through groove 8, and a handle is fixedly provided at the bottom end of the bidirectional screw 9, and the bidirectional screw 9 can be driven to rotate in the through groove 8 through the setting of the handle; a mounting hole is provided at the bottom of the splint 10, and an internal thread is provided on the inner wall of the mounting hole, which is threadedly connected to the bidirectional screw 9 through the setting of the internal thread, so that the splints 10 on both sides can be driven to move toward each other by rotating the bidirectional screw 9; the support plate to be printed is placed on the placement plate 7, located between the two splints 10, and the bidirectional screw 9 is rotated clockwise by the handle, and the splints 10 on both sides are driven to approach each other and fix and clamp the support plate through the rotation of the bidirectional screw 9, so that the 3D printer can spray the consumables on the support plate.

[0070] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0071] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A 3D printer with a chamber heater, comprising a chamber (1), characterized in that: Also includes: A heating device (2) is used to reduce the temperature difference between the upper and lower parts of the chamber (1), and the heating device (2) comprises: A heating component (3), which is used to heat the air; The air guide component (4) is used to drive the air in the chamber (1) to flow counterclockwise. The heating component (3) comprises: A shell (31) fixedly connected to the bottom inner wall of the chamber (1); A fan (32) is fixedly installed in the top of the housing (31); The heating plate (33) is fixedly mounted in the bottom of the housing (31), and the air guide assembly (4) comprises: A plurality of small holes (41) are evenly arranged on the top side of the shell (31); An air outlet (42) is arranged at the bottom of the housing (31) and has an air guide plate (43) disposed therein; An inclined plate (44) fixedly disposed between the air outlet of the fan (32) and the heating plate (33); A pair of grilles (45) are fixedly connected to the housing (31) and the guide plate.

2. A 3D printer with a chamber heater according to claim 1, characterized in that: Also includes: A mounting assembly (5) for movably mounting the chamber (1); A buffer component (6) is used to buffer the vibration of the chamber (1).

3. A 3D printer with a chamber heater according to claim 2, characterized in that: The installation component (5) comprises: A support seat (51) movably mounted at the four corners of the bottom of the chamber (1); A mounting frame (52) fixedly connected to the bottom surface of the support base (51); A mounting seat (53), the top of which is fixedly connected with a mounting rod (54); Wherein, the mounting rod (54) is movably mounted in the mounting frame (52).

4. A 3D printer with a chamber heater according to claim 3, characterized in that: The buffer component (6) comprises: A cylinder (61) is movably mounted on the mounting frame (52) and has a through hole (62) therein; A movable plate (63) movably mounted above the cylinder (61); A plurality of steel wire ropes (64) are used to respectively fix the two ends of the cylinder (61) to the movable plate (63) and the mounting frame (52).

5. A 3D printer with a chamber heater according to claim 4, characterized in that: Also includes: A movable rod (65) which movably passes through the movable plate (63) and is fixedly connected to the mounting rod (54); A limit plate (66) is fixedly mounted on the top of the movable rod (65). The buffer spring (67) has two ends fixedly connected to the movable plate (63) and the mounting rod (54).

6. A 3D printer with a chamber heater according to claim 1, characterized in that: Also includes: A placement plate (7) is fixedly installed in the chamber (1) and has a through slot (8) in the middle; A bidirectional screw (9), the top end of which movably passes through the placement plate (7) and is rotatably mounted in the through groove (8); A pair of clamping plates (10) are movably mounted on the bidirectional screw rod (9) and are threadedly connected to the bidirectional screw rod (9).

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