A 3D printer with fast printing function

Abstract

The application discloses a 3D printer with a rapid printing function and belongs to the field of 3D printing. The 3D printer with the rapid printing function comprises a printing table and a fixed bin, the fixed bin is internally provided with a moving shaft one capable of moving in a vertical direction, the side surface of the moving shaft one is provided with a moving shaft two capable of moving in a horizontal direction, the side surface of the moving shaft two is provided with a nozzle placing table capable of moving in the horizontal direction, and the top of the nozzle placing table is provided with a conveying hose. The 3D printer with the rapid printing function is characterized in that the palm of an operator holds a rotating cylinder, the rotating cylinder is then rotated, the rotating cylinder is then loosened, and the nozzle one and the nozzle two can be replaced by cooperating with a spring one, a pressing plate, an extruding rod, a fixed plate, a spring two, a stressed plate, a fixed rod, a limiting block, a gear one and a sealing ring, so that the printing efficiency of the device is improved when different profiles are printed.

Description

Technical Field

[0001] This invention belongs to the field of 3D printing, specifically relating to a 3D printer with a rapid printing function. Background Technology

[0002] 3D printing, also known as additive manufacturing, is a technology that manufactures solid parts by adding materials layer by layer based on 3D CAD data. Taking the most widely used fused deposition modeling (FDM) printing technology as an example, its process is roughly as follows: First, a required 3D model is designed using computer-aided modeling software. Then, slicing software is used to process the data of this model. The 3D printer selects the forming method and generates the working path. The raw material is then printed and deposited layer by layer using the nozzle of the fused deposition modeling printer until the 3D model is manufactured.

[0003] Chinese patent CN223278546U, published on August 29, 2025, discloses a fused deposition modeling (FDM) 3D printer nozzle, in which a capillary tube, a heating element, and a nozzle are sequentially connected. A heat sink is fitted around the capillary tube. An anti-torsion functional part serves as a transition between the heating element and the heat sink. The aforementioned application aims to reduce nozzle vibration in high-speed, high-flow printing mode. However, when different nozzle models need to be changed for rapid printing on different profiles, the device becomes difficult to operate under these conditions due to the force-bearing structure, thus affecting the device's high-speed printing efficiency. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a 3D printer with rapid printing capabilities, thus solving the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention provides a 3D printer with rapid printing function, including a printing table and a fixed chamber. The fixed chamber is equipped with a first moving shaft that can move vertically. A second moving shaft that can move horizontally is equipped on the side of the first moving shaft. A nozzle placement platform that can move horizontally is equipped on the side of the second moving shaft. A delivery hose is equipped on the top of the nozzle placement platform. A through rotating cylinder is rotatably connected inside the nozzle placement platform. A pressing plate is connected to the top of the rotating cylinder by a spring. A gear is fixedly connected to the outside of the rotating cylinder. A limiting member for restriction is equipped between the pressing plate and the gear. A through nozzle and a second nozzle are respectively installed inside the gear. A sealing ring is equipped on the outside of both nozzles. The bottom of the nozzle placement stage is equipped with a clamping assembly, and the top of the nozzle placement stage is equipped with an extraction assembly.

[0006] Preferably, the limiting component includes a pressing rod fixed to the bottom of the pressing plate, a fixing plate fixedly connected to the side of the nozzle placement stage, a force-bearing plate connected to the top of the fixing plate via a second spring, and a limiting block connected to the top of the force-bearing plate via a fixing rod. By configuring this device, nozzle one and nozzle two can be replaced, improving the printing efficiency of the device when printing on different profiles.

[0007] Preferably, the force plate is located at the bottom of the extrusion rod and is in contact with the extrusion rod.

[0008] Preferably, when the device is not in use, the limiting block is located on the side of the first gear and is engaged with the first gear.

[0009] Preferably, the clamping assembly includes a toothed rod fixed to the side of the force-bearing plate, a rotating block 1 rotatably connected to the top of the nozzle placement platform, a gear 2 and a bevel gear 1 fixedly connected to the outer side of the rotating block 1 respectively, the gear 2 meshing with the toothed rod, a through rotating block 2 rotatably connected to the inside of the nozzle placement platform, a bevel gear 2 fixedly connected to the top of the rotating block 2, the bevel gear 2 meshing with the bevel gear 1, a transmission rod fixedly connected to the side of the rotating block 2, and an arc-shaped pressure rod fixedly connected to the side of the transmission rod. By setting up the clamping assembly, the nozzle and sealing ring to be used can be restricted and locked respectively after replacement, thereby improving the stability of the nozzle during use.

[0010] Preferably, the nozzle placement platform has a through opening, the cross-sectional shape of which is adapted to the cross-sectional shape of the toothed rod.

[0011] Preferably, there are two arc-shaped pressure rods, which are symmetrically distributed about the central axis of the nozzle placement platform.

[0012] Preferably, the extraction assembly includes a transmission plate fixed to the side of the force-bearing plate, a pressure block mounted on the side of the transmission plate, a recovery chamber equipped with an extraction pump mounted on the top of the second moving shaft, an extraction pump switch mounted on the side of the recovery chamber, a recovery pipe mounted on the side of the recovery chamber, and a through-pass groove provided on the nozzle placement platform. By configuring the extraction assembly, residual material can be extracted into the recovery chamber, preventing the mixing of different materials in nozzle one and nozzle two from affecting the printing effect.

[0013] Preferably, the cross-sectional shape of the passage groove is adapted to the cross-sectional shape of the first nozzle and the second nozzle located at that location.

[0014] The advantages of this application are: (1) In this application, the operator holds the rotating cylinder with his hand and rotates it. Then, he releases the rotating cylinder and, with the help of spring one, pressing plate, squeezing rod, fixing plate, spring two, force plate, fixing rod, limiting block, gear one and sealing ring, the nozzle one and nozzle two can be replaced, thereby improving the printing efficiency of the device when printing on different profiles.

[0015] (2) In this application, when replacing nozzle one and nozzle two, the toothed rod, rotating block one, gear two, bevel gear one, rotating block two, bevel gear two and transmission rod can be used to restrict and lock the nozzle and sealing ring respectively after the replacement is completed, thereby improving the stability of the nozzle during use.

[0016] (3) In this application, when the force plate moves downward, that is, when the device is about to replace nozzle one and nozzle two, the residual material can be extracted into the recycling bin in conjunction with the transmission plate, pressure block, extraction pump switch, recycling pipe and through groove, so as to prevent the printing effect from being affected by the mixing of different materials in nozzle one and nozzle two. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the overall appearance of the present invention; Figure 2 This is a schematic diagram of the overall cross-sectional three-dimensional structure of the present invention; Figure 3 This is a three-dimensional structural diagram of some parts of the present invention; Figure 4 This is a three-dimensional structural diagram of some parts of the present invention; Figure 5 This is a three-dimensional structural diagram of the clamping component of the present invention; Figure 6 This is a three-dimensional structural diagram of some parts of the clamping assembly of the present invention; Figure 7 This is a three-dimensional structural diagram of the extraction component of the present invention; Figure 8 This is a three-dimensional structural diagram of some parts of the extraction component of the present invention.

[0018] Explanation of key figure labels: 100. Printing table; 200. Fixed chamber; 300. Moving axis one; 400. Moving axis two; 500. Nozzle placement platform; 600. Delivery hose; 701. Rotating cylinder; 702. Spring one; 703. Pressing plate; 704. Extrusion rod; 705. Fixed plate; 706. Spring two; 707. Force plate; 708. Fixed rod; 709. Limiting block; 710. Gear one; 711. Nozzle one; 712. Nozzle two; 713. Sealing ring; 800. Clamping assembly; 801. Gear rack; 802. Rotating block one; 803. Gear two; 804. Bevel gear one; 805. Rotating block two; 806. Bevel gear two; 807. Transmission rod; 808. Arc-shaped pressure rod; 900. Extraction assembly; 901. Transmission plate; 902. Pressure block; 903. Recovery bin; 904. Extraction pump switch; 905. Recovery pipe; 906. Through slot. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of the present application. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative effort should fall within the scope of protection of the present application.

[0020] Example 1, please refer to Figures 1-4 A 3D printer with rapid printing capability includes a printing table 100 and a fixed chamber 200. The fixed chamber 200 is equipped with a vertically movable moving shaft 300. A horizontally movable moving shaft 400 is mounted on the side of the vertically movable shaft 300. A horizontally movable nozzle placement stage 500 is mounted on the side of the horizontally movable moving shaft 400. A delivery hose 600 is mounted on the top of the nozzle placement stage 500. A through-type rotating cylinder 701 is rotatably connected inside the nozzle placement stage 500. A pressing plate 703 is connected to the top of the rotating cylinder 701 via a spring 702. When the operator grasps the rotating cylinder 701 and presses it downwards, the pressing plate 703 on the rotating cylinder 701 is compressed, which in turn compresses the spring 702 and moves downwards.

[0021] A gear 710 is fixedly connected to the outer side of the rotating cylinder 701. A limiting member for limiting is assembled between the pressing plate 703 and the gear 710. The limiting member includes a pressing rod 704 fixed to the bottom of the pressing plate 703. When the pressing plate 703 moves downward, it can drive the pressing rod 704 fixedly connected to it to move downward together.

[0022] A fixing plate 705 is fixedly connected to the side of the nozzle placement stage 500. A force-bearing plate 707 is connected to the top of the fixing plate 705 via a spring 706. The force-bearing plate 707 is located at the bottom of the extrusion rod 704 and is in contact with the extrusion rod 704. A limiting block 709 is connected to the top of the force-bearing plate 707 via a fixing rod 708. When the extrusion rod 704 moves downward, it can compress the force-bearing plate 707. The compressed force-bearing plate 707 can compress the spring 706 and move closer to the fixing plate 705. The moving force-bearing plate 707 can drive the fixing rod 708 fixedly connected to it to move downward together, so that the fixing rod 708 drives the limiting block 709 fixedly connected to it to move downward.

[0023] When the device is not in use, the limiting block 709 is located on the side of gear 710 and is engaged with gear 710. Gear 710 has a through nozzle 711 and a second nozzle 712 mounted inside it, and both nozzles 711 and 712 are fitted with sealing rings 713 on their outer sides. When the limiting block 709 moves downward, it releases the restriction on gear 710. Then, the rotating cylinder 701 rotates 90° counterclockwise, causing it to synchronously rotate gear 710, which is fixedly connected to it, 90° counterclockwise. The nozzles 711 and 712 mounted on gear 710 rotate together, rotating nozzle 712 and its sealing ring 713 to the bottom of the delivery hose 600, thus improving the printing efficiency of the device when printing on different profiles.

[0024] In practical use, the operator holds the rotating cylinder 701 and presses it downwards. The pressing plate 703 on the rotating cylinder 701 is squeezed, which compresses the spring 702 and moves downwards. The pressing plate 703, in its downward-moving state, drives the pressing rod 704, which is fixedly connected to it, to move downwards as well. This causes the pressing rod 704 to press down on the force plate 707, which in turn compresses the spring 706 and moves closer to the fixed plate 705. The force plate 707, in its moving state, drives the fixed rod 708, which is fixedly connected to it, to move downwards as well. This causes the fixed rod 708 to drive the limiting block 709, which is fixedly connected to it, to move downwards. As the limiting block 709 moves downwards, it changes from being engaged with the gear 710 to no longer being in contact with it, thus releasing the limiting block 709 from restricting the gear 710. Subsequently, the rotating cylinder 701 is rotated 90° counterclockwise. The rotating cylinder 701 drives the gear 710 fixedly connected to it to rotate 90° counterclockwise. The nozzles 711 and 712 mounted on the gear 710 rotate together, which rotates the nozzle 712 and its sealing ring 713 to the bottom of the delivery hose 600. After the quick replacement of the nozzles 711 and 712 is completed, the rotating cylinder 701 is released, the pressing plate 703 is unrestrained and can be reset under the action of the spring 702. The pressing plate 703 in the reset state can drive the extrusion rod 704 fixedly connected to it to reset, which makes the force plate 707 in contact with the extrusion rod 704 unrestrained. The force plate 707 can be reset under the action of the spring 706. The force plate 707 in the reset state can drive the limiting block 709 fixedly connected to it to reset, and re-restrain the gear 710. Then, the moving shaft 300, the moving shaft 400 and the nozzle placement stage 500 can be driven to perform the corresponding printing operation.

[0025] Example 2, please refer to Figures 3-6 Based on Embodiment 1, a clamping assembly 800 is fitted to the bottom of the nozzle placement platform 500. The clamping assembly 800 includes a toothed rod 801 fixed to the side of the force plate 707. The nozzle placement platform 500 has a through opening, the cross-sectional shape of which matches the cross-sectional shape of the toothed rod 801. When the force plate 707 moves downward, i.e., when the device is about to replace nozzle 1 711 and nozzle 2 712, the downward-moving force plate 707 can drive the toothed rod 801 fixedly connected to it to move downward together.

[0026] A rotating block 802 is rotatably connected to the top of the nozzle placement platform 500. A gear 803 and a bevel gear 804 are fixedly connected to the outer side of the rotating block 802. The gear 803 meshes with a rack 801. A through rotating block 805 is rotatably connected inside the nozzle placement platform 500. When the rack 801 moves downward, it drives the gear 803 to rotate. The rotating gear 803 drives the rotating block 802 to rotate, which in turn drives the bevel gear 804 to rotate.

[0027] A bevel gear 806 is fixedly connected to the top of the rotating block 805, and the bevel gear 806 meshes with the bevel gear 804. When the bevel gear 804 rotates, it drives the bevel gear 806 meshing with it to rotate, which in turn drives the rotating block 805 fixedly connected to it to rotate.

[0028] A transmission rod 807 is fixedly connected to the side of the rotating block 805, and an arc-shaped pressure rod 808 is fixedly connected to the side of the transmission rod 807. Two arc-shaped pressure rods 808 are provided, symmetrically distributed about the central axis of the nozzle placement platform 500. When the rotating block 805 rotates, it drives the transmission rod 807, which is fixedly connected to it, to rotate, causing the transmission rod 807 to drive the arc-shaped pressure rod 808, which is fixedly connected to it, to rotate. In this way, before the nozzle 712 shifts, the arc-shaped pressure rod 808, which restricts and clamps the sealing ring 713 and the nozzle 712, is moved away from that location. After replacing nozzle 1 711 and nozzle 2 712, the force plate 707 is reset, and the arc-shaped pressure rods 808 on both sides are also reset, thus restricting nozzle 1 711 and further locking the sealing ring 713, thereby improving the stability of the nozzle during use.

[0029] In practical use, when the force plate 707 moves downward, indicating that the device is about to replace nozzle 1 711 and nozzle 2 712, the downward-moving force plate 707 can drive the rack 801 fixedly connected to it to move downward as well. This causes the rack 801 to drive the gear 2 803 meshing with it to rotate. The rotating gear 2 803 then drives the rotating block 802 fixedly connected to it to rotate, which in turn drives the bevel gear 804 fixedly connected to it to rotate. The rotating bevel gear 804 then drives the bevel gear 806 meshing with it to rotate, causing the bevel gear 806 to rotate. 806 drives the rotating block 805, which is fixedly connected to it, to rotate. The rotating block 805, which is in a rotating state, drives the transmission rod 807, which is fixedly connected to it, to rotate. This causes the transmission rod 807 to drive the arc-shaped pressure rod 808, which is fixedly connected to it, to rotate. In this way, before the nozzle 712 is moved, the arc-shaped pressure rod 808, which restricts and clamps the sealing ring 713 and the nozzle 712, is moved away from that location. Similarly, after the replacement of the nozzle 711 and the nozzle 712 is completed, when the force plate 707 is reset, the arc-shaped pressure rods 808 on both sides are also reset, thus completing the restriction of the nozzle 711 and further locking the sealing ring 713.

[0030] Example 3, please refer to Figures 5-8 Based on Embodiments 1 and 2, an extraction assembly 900 is mounted on the top of the nozzle placement platform 500. The extraction assembly 900 includes a transmission plate 901 fixed to the side of the force plate 707. When the force plate 707 moves downward, i.e., when the device is about to replace nozzle 1 711 and nozzle 2 712, the downward-moving force plate 707 can drive the transmission plate 901 fixedly connected to it to move downward.

[0031] A pressure block 902 is mounted on the side of the transmission plate 901. When the transmission plate 901 moves downward, it can drive the pressure block 902, which is fixedly connected to it, to move downward together.

[0032] The top of the second movable shaft 400 is equipped with a recovery chamber 903 containing a pump. A pump switch 904 is mounted on the side of the recovery chamber 903, and a recovery pipe 905 is also mounted on the side of the recovery chamber 903. A through-passage groove 906 is provided on the nozzle placement platform 500, and the cross-sectional shape of the through-passage groove 906 is adapted to the cross-sectional shapes of nozzle 711 and nozzle 712 located at that location. When the pressure block 902 moves downward, it can squeeze the pump switch 904, thereby activating the pump and drawing the material remaining inside nozzle 711 after previous use into the recovery chamber 903 through the through-passage groove 906 and the recovery pipe 905. During the rotation of the rotating cylinder 701 and the replacement of nozzle 1 711 and nozzle 2 712, the extraction pump is activated. As nozzle 2 712 rotates to another through slot 906, the residual material in nozzle 2 712 can be extracted before the pressing plate 703 resets, preventing the printing effect from being affected by the mixing of different materials in nozzle 1 711 and nozzle 2 712.

[0033] In practical use, when the force plate 707 moves downward, indicating that the device is about to replace nozzle 1 711 and nozzle 2 712, the downward-moving force plate 707 can drive the transmission plate 901 fixedly connected to it to move downward. This causes the transmission plate 901 to drive the pressure block 902 fixedly connected to it to move downward as well. As the pressure block 902 moves downward, it can squeeze the extraction pump switch 904, thereby activating the extraction pump. The material remaining inside nozzle 1 711 after its previous use is extracted through the passage trough 906 and the recovery pipe 905 into the recovery chamber 903. Furthermore, during the rotation of the rotating cylinder 701 and the replacement of nozzle 1 711 and nozzle 2 712, the extraction pump is activated. As nozzle 2 712 rotates to another passage trough 906, the residual material inside nozzle 2 712 can be extracted before the pressure plate 703 resets.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A 3D printer with rapid printing function, comprising a printing table and a fixed chamber, wherein a first movable axis movable in a vertical direction is installed inside the fixed chamber, a second movable axis movable in a horizontal direction is installed on the side of the first movable axis, a nozzle placement stage movable in a horizontal direction is installed on the side of the second movable axis, and a delivery hose is installed on the top of the nozzle placement stage, characterized in that, The nozzle placement platform is rotatably connected to a through-hole rotating cylinder. The top of the rotating cylinder is connected to a pressing plate via a spring. A gear is fixedly connected to the outside of the rotating cylinder. A limiting component for restriction is assembled between the pressing plate and the gear. A through-hole nozzle 1 and nozzle 2 are respectively assembled inside the gear. A sealing ring is assembled on the outside of both nozzle 1 and nozzle 2. The bottom of the nozzle placement stage is equipped with a clamping assembly, and the top of the nozzle placement stage is equipped with an extraction assembly.

2. A 3D printer with rapid printing function according to claim 1, characterized in that, The limiting component includes a pressing rod fixed to the bottom of the pressing plate, a fixing plate fixedly connected to the side of the nozzle placement platform, a force plate connected to the top of the fixing plate by a spring, and a limiting block connected to the top of the force plate by a fixing rod.

3. A 3D printer with rapid printing function according to claim 2, characterized in that, The force plate is located at the bottom of the extrusion rod and is in contact with the extrusion rod.

4. A 3D printer with rapid printing function according to claim 3, characterized in that, When the device is not in use, the limiting block is located on the side of the first gear and is engaged with the first gear.

5. A 3D printer with rapid printing function according to claim 4, characterized in that, The clamping assembly includes a toothed rod fixed to the side of the force-bearing plate. A rotating block is rotatably connected to the top of the nozzle placement platform. A gear 2 and a bevel gear 1 are fixedly connected to the outer side of the rotating block 1. The gear 2 meshes with the toothed rod. A through rotating block 2 is rotatably connected to the inside of the nozzle placement platform. A bevel gear 2 is fixedly connected to the top of the rotating block 2. The bevel gear 2 meshes with the bevel gear 1. A transmission rod is fixedly connected to the side of the rotating block 2. An arc-shaped pressure rod is fixedly connected to the side of the transmission rod.

6. A 3D printer with rapid printing function according to claim 5, characterized in that, The nozzle placement platform has a through opening, the cross-sectional shape of which is adapted to the cross-sectional shape of the toothed rod.

7. A 3D printer with rapid printing function according to claim 6, characterized in that, Two arc-shaped pressure rods are provided, and the two arc-shaped pressure rods are symmetrically distributed about the central axis of the nozzle placement platform.

8. A 3D printer with rapid printing function according to claim 7, characterized in that, The extraction assembly includes a transmission plate fixed to the side of the force plate, a pressure block is mounted on the side of the transmission plate, a recovery chamber equipped with an extraction pump is mounted on the top of the second moving shaft, an extraction pump switch is mounted on the side of the recovery chamber, a recovery pipe is mounted on the side of the recovery chamber, and a through slot is provided on the nozzle placement platform.

9. A 3D printer with rapid printing function according to claim 8, characterized in that, The cross-sectional shape of the passage groove is adapted to the cross-sectional shape of the first nozzle and the second nozzle located at that location.

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