Printing head heat dissipation device of ultra-large type polymer composite 3D printer

Abstract

The utility model relates to the technical field of 3D printing, and discloses an ultra-large type polymer composite 3D printer printing head heat dissipation device which comprises a positioning block fixedly connected to the side face of a printing head body, the side face of the positioning block is fixedly connected with an installation frame used for limiting, and fan blades used for heat dissipation are fixedly installed in the installation frame. And a balancing weight for limiting is fixedly mounted on the other side of the printing head main body. According to the ultra-large type polymer composite 3D printer printing head heat dissipation device, through cooperative arrangement of the mounting frame and the fan blades, air circulation and circulation in the printing head can be accelerated, so that the heat dissipation and cooling effects on the printing head can be achieved, and the problem that when a printer works for a long time, if heat cannot be effectively dissipated, the printing head cannot be cooled is solved. The situation that the printing quality is possibly reduced and even part of parts are damaged due to the fact that the fan blades are arranged on the fan blades is avoided, meanwhile, the fan blades can be limited more stably through the mounting frame, and it is guaranteed that the fan blades are more stable during working.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, in particular to a heat dissipation device for a print head of an ultra-large polymer composite material 3D printer. Background Art

[0002] Polymer composite 3D printers can quickly convert digital models into physical models, which is very useful for product design, development and testing stages. Designers and engineers can use 3D printing technology to quickly manufacture prototypes for functional verification, design iteration and user experience testing. 3D printing technology can achieve highly customized production and can manufacture personalized products according to customer needs and designs. For example, in the fields of aerospace, automobile manufacturing, etc., it may be necessary to quickly replace damaged parts or manufacture temporary replacement parts. Polymer composite 3D printers can complete these tasks quickly.

[0003] Chinese patent announcement number CN217047500U discloses a polymer composite material multi-nozzle 3D printing device, which relates to the field of 3D printing technology, including a box body and a mounting frame fixedly connected to the upper side wall of the box body, the mounting frame is fixedly connected with support rods on both sides, a rack plate is fixedly connected between the two support rods, and a moving component is installed on the mounting frame, the moving component includes a slide bar, a fixed plate, and a nozzle, the slide bar is fixedly connected to the mounting frame, the fixed plate is slidably connected to the slide bar, a plurality of the nozzles are fixedly connected to the lower end of the fixed plate, an exhaust component is installed on the fixed plate, the exhaust component includes a heater and a bellows, and the heater is fixedly connected to the upper end of the box body. When the reciprocating screw rotates, the two moving blocks of the utility model respectively drive the end of the bellows away from the heater to reciprocate on the limit plate, so that the plate can be dried in a wider range during printing.

[0004] However, the utility model has the following problems when actually used:

[0005] 1. In the prior art, the print head of a 3D printer will generate a lot of heat when working for a long time. If the heat cannot be effectively dissipated, the printing quality may be reduced or even the print head may be damaged;

[0006] 2. In the prior art, when the print head is cooled, the fan may cause the print head to vibrate when it rotates, resulting in reduced printing accuracy and a waste of resources. Utility Model Content

[0007] 1. Technical issues to be solved

[0008] In order to overcome the above-mentioned defects of the prior art, the utility model provides a super-large polymer composite material 3D printer print head heat dissipation device, which solves the problem in the prior art that the 3D printer print head will generate a lot of heat when working for a long time. If the heat cannot be effectively dissipated, it may cause the printing quality to decline or even damage the print head. At the same time, when the print head is dissipated, the fan may cause the print head to vibrate when it rotates, resulting in reduced printing accuracy and waste of resources.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a heat dissipation device for a print head of an ultra-large polymer composite material 3D printer, comprising a positioning block fixedly connected to the side of a print head body, a mounting frame for limiting is fixedly connected to the side of the positioning block, a fan blade for heat dissipation is fixedly installed inside the mounting frame, a counterweight block for limiting is fixedly installed on the other side of the print head body, and a connecting block for positioning is fixedly connected to the side of the counterweight block.

[0011] Optionally, a disc for limiting position is fixedly connected to the upper end of the print head body, and a docking joint for connection is threadedly connected to the upper end of the disc.

[0012] Optionally, a heat dissipation slot for ventilation is provided on the side of the print head body, and a mounting plate for positioning is fixedly mounted on the lower end of the print head body.

[0013] Optionally, a nozzle for discharging materials is fixedly mounted on the lower end of the mounting plate, and a positioning pin for fixing is inserted on the upper end of the mounting plate.

[0014] Optionally, a mesh frame for protection is fixedly mounted on the side of the installation frame, and an extension plate for positioning is fixedly connected to the outer surface of the mesh frame.

[0015] Optionally, a bolt for fixing is inserted into the side surface of the extension plate, and the bolt passes through the side surface of the extension plate and is threadedly connected to the side surface of the installation frame.

[0016] Optionally, a threaded rod for reinforcement is inserted into the side surface of the counterweight block, and the threaded rod passes through the side surface of the counterweight block and is threadedly connected to the side surface of the print head body.

[0017] Optionally, a cover plate for limiting position is fixedly mounted on the side of the connecting block, and a slot for positioning is provided on the side of the cover plate.

[0018] (III) Beneficial effects

[0019] The utility model provides a heat dissipation device for a print head of an ultra-large polymer composite material 3D printer, which has the following beneficial effects:

[0020] 1. The heat dissipation device for the print head of the ultra-large polymer composite material 3D printer can accelerate the air circulation and circulation inside the print head through the coordinated setting of the mounting frame and the fan blades, so as to dissipate heat and cool the print head, thereby solving the problem that if the printer cannot effectively dissipate heat when working for a long time, the printing quality may be reduced, and even some parts may be damaged. At the same time, the fan blades can be limited more stably through the mounting frame, ensuring that the fan blades are more stable when working.

[0021] 2. The heat dissipation device for the print head of the ultra-large polymer composite material 3D printer is arranged by the coordination of the positioning block, the counterweight block and the connecting block. The counterweight block increases the overall weight, which can ensure that the print head will not vibrate as a whole when dissipating heat, thereby solving the problem of reduced printing quality caused by vibration when dissipating heat for the print head, further ensuring the overall stability of the print head, and at the same time, through the connecting block, it is convenient for the staff to install it. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the main structure of the print head of the utility model;

[0024] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0025] Figure 4 For this utility model Figure 2 The enlarged structural diagram at B in the middle;

[0026] Figure 5 This is a schematic diagram of the installation frame structure of the utility model;

[0027] Figure 6 This is a schematic diagram of the connecting block structure of the utility model.

[0028] In the figure: 1. Print head body; 2. Positioning block; 3. Mounting frame; 4. Fan blades; 5. Counterweight block; 6. Connecting block; 7. Disc; 8. Butt joint; 9. Heat sink; 10. Mounting plate; 11. Nozzle; 12. Screen frame; 13. Extension plate; 14. Bolt; 15. Threaded rod; 16. Cover plate; 17. Slot. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1:

[0031] See also Figures 1 to 4 In order to fix the nozzle 11 more stably at the lower end of the print head body 1 and to enhance the heat dissipation of the print head body 1, the utility model provides a technical solution: a heat dissipation device for a print head of an ultra-large polymer composite material 3D printer, comprising a positioning block 2 fixedly connected to the side of the print head body 1, a disc 7 for limiting is fixedly connected to the upper end of the print head body 1, a butt joint 8 for connection is threadedly connected to the upper end of the disc 7, a heat dissipation groove 9 for ventilation is provided on the side of the print head body 1, a mounting plate 10 for positioning is fixedly installed at the lower end of the print head body 1, a nozzle 11 for discharging is fixedly installed at the lower end of the mounting plate 10, and a positioning pin for fixing is inserted at the upper end of the mounting plate 10;

[0032] The arrangement of the disc 7 and the docking joint 8 facilitates the worker to connect the print head body 1 to a feed pipe or other equipment. The arrangement of the heat dissipation groove 9 enhances the air circulation inside the print head body 1, further improving the overall heat dissipation. The arrangement of the mounting plate 10, the nozzle 11 and the positioning pin facilitates the worker to fix the nozzle 11 more stably at the lower end of the print head body 1.

[0033] Embodiment 2:

[0034] See also Figure 1 , Figure 2 and Figure 5 In order to protect the fan blades 4 and prevent other objects from accidentally hitting the fan blades 4, the side of the positioning block 2 is fixedly connected with a mounting frame 3 for limiting, the inside of the mounting frame 3 is fixedly installed with the fan blades 4 for heat dissipation, the side of the mounting frame 3 is fixedly installed with a net frame 12 for protection, the outer surface of the net frame 12 is fixedly connected with an extension plate 13 for positioning, the side of the extension plate 13 is plugged with a bolt 14 for fixing, the bolt 14 passes through the side of the extension plate 13 and is threadedly connected to the side of the mounting frame 3;

[0035] The arrangement of the mesh frame 12 can protect the fan blades 4, ensuring that the fan blades 4 are more stable when dissipating heat. The arrangement of the extension plate 13 and the bolts 14 can more stably fix the mesh frame 12 on the side of the mounting frame 3, ensuring that the mesh frame 12 will not fall off during operation.

[0036] Embodiment three:

[0037] See also Figure 1 and Figure 6 In order to facilitate the staff to install and disassemble the print head body 1, a counterweight block 5 for limiting is fixedly installed on the other side of the print head body 1, and a connecting block 6 for positioning is fixedly connected to the side of the counterweight block 5. A threaded rod 15 for reinforcement is inserted into the side of the counterweight block 5. The threaded rod 15 passes through the side of the counterweight block 5 and is threadedly connected to the side of the print head body 1. A cover plate 16 for limiting is fixedly installed on the side of the connecting block 6, and a card slot 17 for positioning is opened on the side of the cover plate 16;

[0038] By setting the threaded rod 15, the counterweight 5 can be more firmly fixed to the side of the print head body 1. By setting the cover plate 16 and the card slot 17, the staff can assemble and disassemble the print head body 1 more conveniently, further improving the convenience of the printer.

[0039] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0040] In the utility model, the working steps of the device are as follows:

[0041] First, the fan blade 4 is passed through the mounting frame 3, so that the fan blade 4 can be fixedly installed inside the mounting frame 3. Secondly, the screen frame 12 can be fixed to the side of the mounting frame 3 through the extension plate 13 and the bolt 14, so as to protect the fan blade 4. Then, the nozzle 11 can be fixed to the lower end of the print head body 1 through the mounting plate 10 and the positioning pin. Finally, the print head body 1 can be installed on the printer device through the cover plate 16 and the slot 17.

[0042] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat dissipation device for a print head of a super-large polymer composite material 3D printer, comprising a positioning block (2) fixedly connected to the side of a print head body (1), characterized in that: A mounting frame (3) for limiting position is fixedly connected to the side of the positioning block (2), a fan blade (4) for heat dissipation is fixedly installed inside the mounting frame (3), a counterweight block (5) for limiting position is fixedly installed on the other side of the print head body (1), and a connecting block (6) for positioning is fixedly connected to the side of the counterweight block (5).

2. The heat dissipation device for a print head of a super large polymer composite material 3D printer according to claim 1, characterized in that: A disc (7) for limiting position is fixedly connected to the upper end of the print head body (1), and a butt joint (8) for connection is threadedly connected to the upper end of the disc (7).

3. The heat dissipation device for a print head of a super large polymer composite material 3D printer according to claim 1, characterized in that: A heat dissipation slot (9) for ventilation is provided on the side of the print head body (1), and a mounting plate (10) for positioning is fixedly mounted on the lower end of the print head body (1).

4. The heat dissipation device for a print head of a super large polymer composite material 3D printer according to claim 3, characterized in that: A nozzle (11) for discharging materials is fixedly mounted on the lower end of the mounting plate (10), and a positioning pin for fixing is inserted into the upper end of the mounting plate (10).

5. The heat dissipation device for a print head of a super large polymer composite material 3D printer according to claim 1, characterized in that: A protective screen frame (12) is fixedly mounted on the side of the installation frame (3), and an extension plate (13) for positioning is fixedly connected to the outer surface of the screen frame (12).

6. The heat dissipation device for a print head of a super large polymer composite material 3D printer according to claim 5, characterized in that: A bolt (14) for fixing is inserted into the side surface of the extension plate (13), and the bolt (14) passes through the side surface of the extension plate (13) and is threadedly connected to the side surface of the installation frame (3).

7. The heat dissipation device for a print head of a super large polymer composite material 3D printer according to claim 1, characterized in that: A threaded rod (15) for reinforcement is inserted into the side of the counterweight block (5); the threaded rod (15) penetrates the side of the counterweight block (5) and is threadedly connected to the side of the print head body (1).

8. The heat dissipation device for a print head of a super large polymer composite material 3D printer according to claim 1, characterized in that: A cover plate (16) for limiting position is fixedly mounted on the side of the connection block (6), and a slot (17) for positioning is provided on the side of the cover plate (16).

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