Additive and subtractive combined machining 3D printer with rapid cooling structure

Abstract

The invention relates to the technical field of 3D printing, and discloses an additive and subtractive combined machining 3D printer with a rapid cooling structure, the printer comprises a main frame, bottom feet are arranged at the bottom of the main frame, a printer multi-axial adjusting mechanism and a rapid cooling mechanism are arranged on the surface of the main frame, and the rapid cooling mechanism is composed of a water cooling assembly and an auxiliary movable air cooling assembly; the water cooling assembly is controlled through a temperature monitoring sensor, so that condensate water circulates in a heat exchange pipe, and heat of the workbench is taken away in cooperation with a heat extraction pipeline and an air extraction pump. The auxiliary movable air cooling assembly synchronously moves when the height of the printing platform is adjusted, a cooling fan accelerates air flow on the surface of a printing material and accelerates curing, the printer multi-axial adjusting mechanism can achieve multi-axial movement of a 3D printing head through a plurality of motors and transmission assemblies, and the height of a workbench can be adjusted to adapt to different printing objects. The heat dissipation effect is good, the printing efficiency is high, and the problems that an existing device is insufficient in heat dissipation and low in printing efficiency can be effectively solved.

Description

Technical Field

[0001] The present invention relates to the technical field of 3D printing, and particularly to an additive and subtractive hybrid processing 3D printer with a rapid cooling structure. Background Art

[0002] A 3D printer, also known as a three-dimensional printer, is a process equipment for rapid prototyping. It is a kind of additive manufacturing technology, that is, a machine of rapid prototyping technology. It is based on a digital model file and uses special wax materials, powdered metals or plastics and other bondable materials to manufacture three-dimensional objects by printing layers of bondable materials. At present, 3D printers are used to manufacture products. The technology of constructing objects by printing layer by layer. The principle of a 3D printer is to put data and raw materials into the 3D printer, and the machine will build the product layer by layer according to the program.

[0003] Existing devices have deficiencies in heat dissipation. On the one hand, there may be a lack of an effective water cooling system. When the device is in use, it cannot timely absorb and remove the heat generated by the accumulation of printing materials, resulting in too high a temperature and affecting the operation of the device. On the other hand, there may be no auxiliary movable air cooling components, and the air flow on the surface of the printing material cannot be accelerated when the printing material is extruded, resulting in a slow curing speed of the material and affecting the printing efficiency and quality.

[0004] Therefore, it is very necessary to design an additive and subtractive hybrid processing 3D printer with a rapid cooling structure that has strong practicability and can rapidly cool the device and the printed parts. Summary of the Invention

[0005] The purpose of the present invention is to provide an additive and subtractive hybrid processing 3D printer with a rapid cooling structure to solve the problems raised in the above background art.

[0006] To solve the above technical problems, the present invention provides the following technical solution: An additive and subtractive hybrid processing 3D printer with a rapid cooling structure, including a main frame, the four corners of the bottom of the main frame are fixedly connected with feet, a printer multi-axial adjustment mechanism is arranged on the surface of the main frame, a rapid cooling mechanism is arranged on the surface of the main frame, and the rapid cooling mechanism includes a water cooling component and an auxiliary movable air cooling component; The water-cooling component includes a cooling chamber. The multi-axial adjustment mechanism of the printer includes a workbench bottom plate and a detachable workbench tabletop. The water-cooling component is arranged between the workbench bottom plate and the detachable workbench tabletop. A heat exchange tube is installed on the top of the workbench bottom plate. A water inlet pump is installed at the rear end of the left side of the workbench bottom plate. A first condensation water tank is installed at the rear end of the bottom of the workbench bottom plate. A second condensation water tank is installed at the front end of the bottom of the workbench bottom plate. A water return pump is installed at the right end of the second condensation water tank. A third condensation water tank is installed in the middle section of the bottom of the workbench bottom plate. A first circulation pump is installed on the back of the third condensation water tank. A second circulation pump is installed on the back of the second condensation water tank. A connecting pipe is installed among the water return pump, the first condensation water tank and the third condensation water tank. Fixed frames are fixedly connected to the left and right ends of the top of the detachable workbench tabletop. An air extraction pump is installed at the outer end of the fixed frame. A heat extraction pipe is installed on the surface of the fixed frame. A barrier filter plate is installed inside the port of the heat extraction pipe. The multi-axial adjustment mechanism of the printer includes an electric control sliding seat. Temperature monitoring sensors are installed at the left and right ends of the front of the electric control sliding seat. When the device is in use, when the temperature monitoring sensors detect a change in temperature, the water inlet pump will be started and work. The condensed water in the first condensation water tank flows into the heat exchange tube for flow. At this time, the heat extraction pipe cooperates with the air extraction pump to extract the heat on the surface of the detachable workbench tabletop into the cooling chamber and conduct heat exchange through the heat exchange tube to reduce the temperature. The water after heat exchange will flow into the third condensation water tank through the water return pump, enter the third condensation water tank for cooling through the first circulation pump, and then move to the inside of the first condensation water tank through the connecting pipe at the second circulation pump for secondary use, thus realizing a circulating path. This component can efficiently absorb and remove the heat on the surface of the detachable workbench tabletop and quickly take away the heat generated by the accumulation of printing materials on the platform surface.

[0007] According to the above technical solution, the water outlet end of the heat exchange tube is connected to the water return pump, and the water inlet end of the heat exchange tube is connected to the water inlet pump.

[0008] According to the above technical solution, one end of the heat extraction pipe far from the fixed frame penetrates through the left and right ends of the detachable workbench tabletop, and the barrier filter plate is installed at one end of the heat extraction pipe close to the fixed frame.

[0009] According to the above technical solution, the auxiliary movable air cooling component includes an electrically controlled slide rail, which is installed at the front and rear ends of the left and right sides of the main frame. A slider is slidably connected to the surface of the electrically controlled slide rail, a connecting plate is fixedly connected to the surface of the slider, a fixed frame is fixedly connected to the inner end of the connecting plate, a cooling fan is installed inside the fixed frame, and a dustproof net is installed on the surface of the fixed frame. When the panel of the device is adjusted in height through the multi-axial adjustment mechanism of the printer, the auxiliary movable air cooling component will move synchronously according to a pre-set program, and the electrically controlled slide rail drives the slider and the surface components to move, and the cooling fan is used to blow the material to directly cool the freshly extruded printing material. Air cooling can accelerate the air flow on the surface of the material, so that the heat on the surface of the material is quickly taken away, thereby accelerating the curing speed of the material.

[0010] According to the above technical solution, the dustproof net is installed at one end of the fixed frame away from the connecting plate, and two groups of auxiliary movable air-cooling components are provided and symmetrically distributed at the left and right ends of the main frame.

[0011] According to the above technical solution, the multi-axial adjustment mechanism of the printer includes a main rod, which is installed at the center of the rear end inside the main frame. On both the left and right sides of the rear end inside the main frame, auxiliary sliding rods are fixedly connected. At the center of the rear end of the bottom of the main frame, a first control motor is installed. Electrically controlled sliding seats are installed on the surfaces of the main rod and the auxiliary sliding rods. On the left and right sides of the front of the electrically controlled sliding seat, connecting arm plates are fixedly connected. On the top of the connecting arm plates, a workbench bottom plate is installed. On the top of the workbench bottom plate, a detachable workbench table plate is installed. At the right end of the top inside the main frame, a first ejector rod is installed. At the left end of the top inside the main frame, a second ejector rod is installed. At the right end of the back of the main frame, a second control motor is installed. On the back of the second control motor, a first toothed synchronous belt pulley is installed. A first transmission belt is connected between the first toothed synchronous belt pulley and the first ejector rod. On the front and rear ends of the surfaces of the first ejector rod and the second ejector rod, second toothed synchronous belt pulleys are installed. A second transmission belt is connected to the surfaces of the second toothed synchronous belt pulleys. At the left rear end of the main frame, a third control motor is installed. On the left end of the third control motor, a third toothed synchronous belt pulley is installed. At the rear end of the top inside the main frame, a third ejector rod is installed. At the front end of the top inside the main frame, a fourth ejector rod is installed. A third transmission belt is connected between the third toothed synchronous belt pulley and the third ejector rod. On the left and right ends of the surfaces of the third ejector rod and the fourth ejector rod, fourth toothed synchronous belt pulleys are installed. A fourth transmission belt is connected to the surfaces of the fourth toothed synchronous belt pulleys. Connecting sliding seats are installed on the surfaces of the first ejector rod, the second ejector rod, the third ejector rod, and the fourth ejector rod. Inside the connecting sliding seats, fifth ejector rods are installed. On the surfaces of the fifth ejector rods, 3D printing heads are installed. When printing work needs to be carried out, the first control motor is used to control the lifting of the main rod and the electrically controlled sliding seats, thereby changing the working height of the workbench bottom plate and the detachable workbench table plate to facilitate adapting to printing objects of different sizes. At the same time, the second control motor drives the first toothed synchronous belt pulley to work, and drives the first ejector rod to rotate through the first transmission belt. When the first ejector rod rotates, it drives the second ejector rod to rotate synchronously through the second toothed synchronous belt pulley and the second transmission belt. Several components work together to drive the connecting sliding seats to adjust their longitudinal positions. The third ejector rod and the fourth ejector rod are driven by the third control motor, the third toothed synchronous belt pulley, the third transmission belt, the fourth toothed synchronous belt pulley, and the fourth transmission belt. The principle is the same as that of the first ejector rod and the second ejector rod, driving the connecting sliding seats to move horizontally. These components work together to achieve multi-axial movement of the 3D printing head. The setting of this mechanism can make the printing work more efficient and convenient.

[0012] According to the above technical solution, the main rod and the electrically controlled sliding seat are driven to lift by the first control motor, and both the workbench bottom plate and the detachable workbench table plate are set as detachable structures.

[0013] According to the above technical solution, the first ejector rod and the second ejector rod are driven by a second control motor, a first toothed synchronous pulley, a first transmission belt, a second toothed synchronous pulley and a second transmission belt, and the third ejector rod and the fourth ejector rod are driven by a third control motor, a third toothed synchronous pulley, a third transmission belt, a fourth toothed synchronous pulley and a fourth transmission belt.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: 1. In the present invention, by providing a water-cooling component, when the device is in use, when the temperature monitoring sensor detects a change in temperature, the water inlet pump will be started and work, and the condensed water in the first condensation water tank will flow into the heat exchange tube for flow. At this time, the heat extraction pipeline cooperates with the air extraction pump to extract the heat on the surface of the detachable workbench table board into the cooling chamber and perform heat exchange through the heat exchange tube, so as to reduce the temperature. The water after heat exchange will flow into the third condensation water tank through the water return pump, be cooled in the third condensation water tank through the first circulating water pump, and then move to the inside of the first condensation water tank through the connecting pipe at the second circulating water pump for secondary use, thus realizing a circulating path. This component can efficiently absorb and remove the heat on the surface of the detachable workbench table board, and quickly take away the heat generated by the accumulation of printing materials on the platform surface.

[0015] 2. In the present invention, by providing an auxiliary movable air-cooling component, when the height of the panel of the device is adjusted by the printer multi-axial adjustment mechanism, the auxiliary movable air-cooling component will move synchronously according to a pre-set program. The electric control slide rail drives the slider and the components on the surface to move, and the cooling fan blows the materials, directly performing air cooling on the just-extruded printing materials. Air cooling can accelerate the air flow on the surface of the materials, so that the heat on the surface of the materials can be quickly taken away, thereby accelerating the curing speed of the materials.

[0016] 3. In the present invention, by providing a printer multi-axial adjustment mechanism, when printing work needs to be carried out, the main rod and the electric control slide seat are controlled by the first control motor to perform lifting work, so as to change the working height of the workbench bottom plate and the detachable workbench table board, facilitating the adaptation to printing objects of different sizes. At the same time, the second control motor drives the first toothed synchronous pulley to work, drives the first ejector rod to rotate through the first transmission belt, and when the first ejector rod rotates, it drives the second ejector rod to rotate synchronously through the second toothed synchronous pulley and the second transmission belt. Several components are combined to drive the connecting slide seat to perform longitudinal position adjustment. The third ejector rod and the fourth ejector rod are driven by a third control motor, a third toothed synchronous pulley, a third transmission belt, a fourth toothed synchronous pulley and a fourth transmission belt. The principle is the same as that of the first ejector rod and the second ejector rod, driving the connecting slide seat to move horizontally. These components work together to achieve multi-axial movement of the 3D printing head. The setting of this mechanism can make the printing work more efficient and convenient. Description of the Drawings

[0017] The accompanying drawings are used to provide a further understanding of the present invention and form a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings: Figure 1 is the overall schematic diagram of the present invention; Figure 2 is the schematic diagram of the water-cooling component of the present invention; Figure 3 is the schematic diagram of the bottom of the water-cooling component of the present invention; Figure 4 is the schematic diagram of the auxiliary heat extraction pipeline of the present invention; Figure 5 is the schematic diagram of the auxiliary movable air-cooling component of the present invention; Figure 6 is the schematic diagram of the multi-axial adjustment mechanism of the printer of the present invention; Figure 7 is the schematic diagram of the 3D printing head of the present invention.

[0018] In the drawings: 1, main frame; 2, foot; 3, multi-axial adjustment mechanism of the printer; 31, main rod; 32, auxiliary sliding rod; 33, first control motor; 34, electric control sliding seat; 35, connecting arm plate; 36, workbench bottom plate; 361, detachable workbench table board; 37, first ejector rod; 371, second ejector rod; 38, second control motor; 381, first toothed synchronous belt pulley; 39, first transmission belt; 301, second toothed synchronous belt pulley; 302, second transmission belt; 303, third control motor; 304, third toothed synchronous belt pulley; 3041, third transmission belt; 305, third ejector rod; 3051, fourth ejector rod; 306, fourth toothed synchronous belt pulley; 307, fourth transmission belt; 308, connecting sliding seat; 309, fifth ejector rod; 3091, 3D printing head; 4, rapid cooling mechanism; 41, water-cooling component; 411, cooling chamber; 412, heat exchange tube; 413, inlet water pump; 414, first condensation water tank; 415, second condensation water tank; 416, return water pump; 417, third condensation water tank; 418, first circulation water pump; 419, second circulation water pump; 4101, connecting pipe; 4102, fixing frame; 4103, air extraction pump; 4104, heat extraction pipeline; 4105, barrier filter plate; 4106, temperature monitoring sensor; 42, auxiliary movable air-cooling component; 421, electric control slide rail; 422, slider; 423, connecting plate; 424, fixing frame; 425, cooling fan; 426, dust-proof net. Detailed implementation manners

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] The present invention provides the following technical solutions: Embodiment 1

[0021] Please refer to Figures 1-7 , the present invention provides a technical solution: an additive and subtractive composite processing 3D printer with a rapid cooling structure, including a main frame 1, the four corners of the bottom of the main frame 1 are fixedly connected with feet 2, a printer multi-axial adjustment mechanism 3 is arranged on the surface of the main frame 1, a rapid cooling mechanism 4 is arranged on the surface of the main frame 1, and the rapid cooling mechanism 4 includes a water cooling component 41 and an auxiliary movable air cooling component 42; The water-cooling component 41 includes a cooling chamber 411. The printer multi-axial adjustment mechanism 3 includes a workbench bottom plate 36 and a detachable workbench tabletop 361. The water-cooling component 41 is arranged between the workbench bottom plate 36 and the detachable workbench tabletop 361. A heat exchange pipe 412 is installed on the top of the workbench bottom plate 36. A water inlet pump 413 is installed at the rear end of the left side of the workbench bottom plate 36. A first condensation water tank 414 is installed at the rear end of the bottom of the workbench bottom plate 36. A second condensation water tank 415 is installed at the front end of the bottom of the workbench bottom plate 36. A water return pump 416 is installed at the right end of the second condensation water tank 415. A third condensation water tank 417 is installed in the middle section of the bottom of the workbench bottom plate 36. A first circulation water pump 418 is installed on the back of the third condensation water tank 417. A second circulation water pump 419 is installed on the back of the second condensation water tank 415. A connecting pipe 4101 is installed among the water return pump 416, the first condensation water tank 414 and the third condensation water tank 417. Fixed frames 4102 are fixedly connected to the left and right ends of the top of the detachable workbench tabletop 361. An air extraction pump 4103 is installed at the outer end of the fixed frame 4102. A heat extraction pipe 4104 is installed on the surface of the fixed frame 4102. A barrier filter plate 4105 is installed inside the port of the heat extraction pipe 4104. The printer multi-axial adjustment mechanism 3 includes an electric control sliding seat 34. Temperature monitoring sensors 4106 are installed at the left and right ends of the front of the electric control sliding seat 34. When the device is in use, when the temperature monitoring sensors 4106 detect a change in temperature, the water inlet pump 413 and 316 will be started to work. The condensed water inside the first condensation water tank 414 flows into the heat exchange pipe 412 for flow. At this time, the heat extraction pipe 4104 cooperates with the air extraction pump 4103 to extract the heat on the surface of the detachable workbench tabletop 361 into the cooling chamber 411 for heat exchange operation through the heat exchange pipe 412, so as to reduce the temperature. The water after heat exchange will flow into the third condensation water tank 417 through the water return pump 416, be cooled in the third condensation water tank 417 through the first circulation water pump 418, and then move to the inside of the first condensation water tank 414 through the connecting pipe 4101 at the second circulation water pump 419 for secondary use, thus realizing a circulation path. This component can efficiently absorb and remove the heat on the surface of the detachable workbench tabletop 361, and quickly take away the heat generated by the accumulation of printing materials on the platform surface; The water outlet end of the heat exchange pipe 412 is connected to the water return pump 416, and the water inlet end of the heat exchange pipe 412 is connected to the water inlet pump 413; One end of the heat extraction pipe 4104 away from the fixed frame 4102 penetrates through the left and right ends of the detachable workbench tabletop 361, and the barrier filter plate 4105 is installed at one end of the heat extraction pipe 4104 close to the fixed frame 4102; The auxiliary movable air-cooling component 42 includes an electric control slide rail 421. The electric control slide rail 421 is installed at the front and rear ends of the left and right sides of the main frame 1. A slider 422 is slidably connected to the surface of the electric control slide rail 421. A connecting plate 423 is fixedly connected to the surface of the slider 422. A fixed frame 424 is fixedly connected to the inner end of the connecting plate 423. A cooling fan 425 is installed inside the fixed frame 424. A dust-proof net 426 is installed on the surface of the fixed frame 424. When the height of the panel of the device is adjusted by the printer multi-axial adjustment mechanism 3, the auxiliary movable air-cooling component 42 will move synchronously according to a pre-set program. The electric control slide rail 421 drives the slider 422 and the components on its surface to move. The cooling fan 425 blows on the material, directly air-cooling the freshly extruded printing material. Air-cooling can accelerate the air flow on the surface of the material, enabling the heat on the surface of the material to be quickly carried away, thereby accelerating the curing speed of the material; The dust-proof net 426 is installed at one end of the fixed frame 424 away from the connecting plate 423. There are two sets of auxiliary movable air-cooling components 42, and they are symmetrically distributed at the left and right ends of the main frame 1. Embodiment 2

[0022] Please refer to Figures 1-7, and on the basis of the first embodiment, it is further obtained that the multi-axial adjustment mechanism 3 of the printer includes a main rod 31, the main rod 31 is installed at the center of the rear end inside the main frame 1, auxiliary slide rods 32 are fixedly connected to both the left and right sides of the rear end inside the main frame 1, a first control motor 33 is installed at the center of the rear end of the bottom of the main frame 1, an electric control slide seat 34 is installed on the surfaces of the main rod 31 and the auxiliary slide rods 32, connecting arm plates 35 are fixedly connected to both the left and right sides of the front of the electric control slide seat 34, a workbench bottom plate 36 is installed on the top of the connecting arm plates 35, a detachable workbench table plate 361 is installed on the top of the workbench bottom plate 36, a first ejector rod 37 is installed at the right end of the top inside the main frame 1, a second ejector rod 371 is installed at the left end of the top inside the main frame 1, a second control motor 38 is installed at the right end of the back of the main frame 1, a first toothed synchronous belt pulley 381 is installed on the back of the second control motor 38, a first transmission belt 39 is connected in transmission between the first toothed synchronous belt pulley 381 and the first ejector rod 37, second toothed synchronous belt pulleys 301 are installed at both the front and rear ends of the surfaces of the first ejector rod 37 and the second ejector rod 371, a second transmission belt 302 is connected in transmission on the surfaces of the second toothed synchronous belt pulleys 301, a third control motor 303 is installed at the rear end of the left side of the main frame 1, a third toothed synchronous belt pulley 304 is installed at the left end of the third control motor 303, a third ejector rod 305 is installed at the rear end of the top inside the main frame 1, a fourth ejector rod 3051 is installed at the front end of the top inside the main frame 1, a third transmission belt 3041 is connected in transmission between the third toothed synchronous belt pulley 304 and the third ejector rod 305, fourth toothed synchronous belt pulleys 306 are installed at both the left and right ends of the surfaces of the third ejector rod 305 and the fourth ejector rod 3051, a fourth transmission belt 307 is connected in transmission on the surfaces of the fourth toothed synchronous belt pulleys 306, connecting slide seats 308 are installed on the surfaces of the first ejector rod 37, the second ejector rod 371, the third ejector rod 305 and the fourth ejector rod 3051, a fifth ejector rod 309 is installed at the inner end of the connecting slide seat 308, a 3D printing head 3091 is installed on the surface of the fifth ejector rod 309. When printing work needs to be carried out, the first control motor 33 controls the main rod 31 and the electric control slide seat 34 to perform lifting work, thereby changing the working height of the workbench bottom plate 36 and the detachable workbench table plate 361 to facilitate adapting to printing objects of different sizes. At the same time, the second control motor 38 drives the first toothed synchronous belt pulley 381 to work, drives the first ejector rod 37 to rotate through the first transmission belt 39, and when the first ejector rod 37 rotates, it drives the second ejector rod 371 to rotate synchronously through the second toothed synchronous belt pulleys 301 and the second transmission belt 302. Several components work together to drive the connecting slide seat 308 to perform longitudinal position adjustment. The third ejector rod 305 and the fourth ejector rod 3051 are driven by the third control motor 303, the third toothed synchronous belt pulley 304, the third transmission belt 3041, the fourth toothed synchronous belt pulleys 306 and the fourth transmission belt 307. The principle is the same as that of the first ejector rod 37 and the second ejector rod 371, driving the connecting slide seat 308 to move horizontally. These components work together to achieve multi-axial movement of the 3D printing head 3091.The setting of this mechanism can make the printing work more efficient and convenient; The main rod 31 and the electric control sliding seat 34 are driven to lift by the first control motor 33, and both the workbench bottom plate 36 and the detachable workbench table plate 361 are set as detachable structures; The first ejector rod 37 and the second ejector rod 371 are driven by the second control motor 38, the first toothed synchronous pulley 381, the first transmission belt 39, the second toothed synchronous pulley 301 and the second transmission belt 302, and the third ejector rod 305 and the fourth ejector rod 3051 are driven by the third control motor 303, the third toothed synchronous pulley 304, the third transmission belt 3041, the fourth toothed synchronous pulley 306 and the fourth transmission belt 307.

[0023] In the actual operation process, when this device is used, when printing work is required, the main rod 31 and the electric control sliding seat 34 are controlled by the first control motor 33 to lift, so as to change the working height of the workbench bottom plate 36 and the detachable workbench table plate 361, which is convenient for adapting to printing objects of different sizes. At the same time, the second control motor 38 drives the first toothed synchronous pulley 381 to work, and drives the first ejector rod 37 to rotate through the first transmission belt 39. When the first ejector rod 37 rotates, it drives the second ejector rod 371 to rotate synchronously through the second toothed synchronous pulley 301 and the second transmission belt 302. Several components work together to drive the connecting sliding seat 308 to adjust its longitudinal position. The third ejector rod 305 and the fourth ejector rod 3051 are driven by the third control motor 303, the third toothed synchronous pulley 304, the third transmission belt 3041, the fourth toothed synchronous pulley 306 and the fourth transmission belt 307. The principle is the same as that of the first ejector rod 37 and the second ejector rod 371, driving the connecting sliding seat 308 to move horizontally. These components work together to achieve the multi-axial movement of the 3D printing head 3091. The setting of this mechanism can make the printing work more efficient and convenient; When the device is in use, when the temperature monitoring sensor 4106 detects a change in temperature, it will start the water inlet pump 413 and 316 to work. The condensed water in the first condensation water tank 414 flows into the heat exchange tube 412 for flow. At this time, the heat extraction pipeline 4104 cooperates with the air extraction pump 4103 to extract the heat on the surface of the detachable workbench table plate 361 into the cooling chamber 411 for heat exchange operation through the heat exchange tube 412, so as to reduce the temperature. The heat-exchanged water will flow into the third condensation water tank 417 through the water return pump 416, be cooled in the third condensation water tank 417 by the first circulating water pump 418, and then move to the inside of the first condensation water tank 414 through the second circulating water pump 419 through the connecting pipe 4101 for secondary use, thus realizing a circulating path. This component can efficiently absorb and remove the heat on the surface of the detachable workbench table plate 361, and quickly take away the heat generated by the accumulation of printing materials on the platform surface; When the height of the panel of the device is adjusted by the printer multi-axial adjustment mechanism 3, the auxiliary movable air-cooling assembly 42 will move synchronously according to a pre-set program. The electric control slide rail 421 drives the slider 422 and the components on the surface to move, and blows the material through the cooling fan 425 to directly air-cool the just-extruded printing material. Air-cooling can accelerate the air flow on the surface of the material, quickly take away the heat on the surface of the material, and thus accelerate the curing speed of the material.

[0024] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent in such process, method, article or device.

[0025] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A hybrid additive and subtractive manufacturing 3D printer with a rapid cooling structure, comprising a main frame (1), characterized in that: Four bottom corners of the main frame (1) are fixedly connected with feet (2). A printer multi-axial adjustment mechanism (3) is arranged on the surface of the main frame (1). A rapid cooling mechanism (4) is arranged on the surface of the main frame (1). The rapid cooling mechanism (4) includes a water cooling component (41) and an auxiliary movable air cooling component (42). The water cooling component (41) includes a cooling chamber (411). The printer multi-axial adjustment mechanism (3) includes a workbench bottom plate (36) and a detachable workbench tabletop (361). The water cooling component (41) is arranged between the workbench bottom plate (36) and the detachable workbench tabletop (361). A heat exchange pipe (412) is installed at the top of the workbench bottom plate (36). A water inlet pump (413) is installed at the rear end of the left side of the workbench bottom plate (36). A first condensation water tank (414) is installed at the rear end of the bottom of the workbench bottom plate (36). A second condensation water tank (415) is installed at the front end of the bottom of the workbench bottom plate (36). A water return pump (416) is installed at the right end of the second condensation water tank (415). A third condensation water tank (417) is installed in the middle section of the bottom of the workbench bottom plate (36). A first circulating water pump (418) is installed on the back of the third condensation water tank (417). A second circulating water pump (419) is installed on the back of the second condensation water tank (415). A connecting pipe (4101) is installed among the water return pump (416), the first condensation water tank (414) and the third condensation water tank (417). Fixed frames (4102) are fixedly connected to the left and right ends of the top of the detachable workbench tabletop (361). An air extraction pump (4103) is installed at the outer end of the fixed frame (4102). A heat extraction pipe (4104) is installed on the surface of the fixed frame (4102). A barrier filter plate (4105) is installed inside the port of the heat extraction pipe (4104). The printer multi-axial adjustment mechanism (3) includes an electric control sliding seat (34). Temperature monitoring sensors (4106) are installed at the left and right ends of the front of the electric control sliding seat (34).

2. The additive and subtractive hybrid manufacturing 3D printer with a rapid cooling structure according to claim 1, wherein: The water outlet end of the heat exchange pipe (412) is connected to the water return pump (416), and the water inlet end of the heat exchange pipe (412) is connected to the water inlet pump (413).

3. The additive and subtractive hybrid manufacturing 3D printer with a rapid cooling structure according to claim 2, wherein: One end of the heat extraction pipe (4104) far from the fixed frame (4102) penetrates through the left and right ends of the detachable workbench tabletop (361), and the barrier filter plate (4105) is installed at one end of the heat extraction pipe (4104) close to the fixed frame (4102).

4. The additive and subtractive hybrid manufacturing 3D printer with a rapid cooling structure according to claim 3, characterized in that: The auxiliary movable air cooling component (42) includes electric control slide rails (421). The electric control slide rails (421) are installed at the front, rear, left and right sides of the main frame (1). Sliders (422) are slidably connected to the surfaces of the electric control slide rails (421). A connecting plate (423) is fixedly connected to the surface of the slider (422). A fixed frame (424) is fixedly connected to the inner end of the connecting plate (423). A cooling fan (425) is installed inside the fixed frame (424). A dust-proof net (426) is installed on the surface of the fixed frame (424).

5. The additive and subtractive hybrid manufacturing 3D printer with a rapid cooling structure according to claim 4, wherein: The dust-proof net (426) is installed at one end of the fixed frame (424) away from the connecting plate (423). There are two sets of the auxiliary movable air-cooling assemblies (42), which are symmetrically distributed at the left and right ends of the main frame (1).

6. The additive and subtractive hybrid manufacturing 3D printer with a rapid cooling structure according to claim 5, wherein: The multi-axial adjustment mechanism (3) of the printer includes a main rod (31). The main rod (31) is installed at the center of the rear end inside the main frame (1). Auxiliary sliding rods (32) are fixedly connected to both the left and right sides of the rear end inside the main frame (1). A first control motor (33) is installed at the center of the rear end of the bottom of the main frame (1). Electrically controlled sliding seats (34) are installed on the surfaces of the main rod (31) and the auxiliary sliding rods (32). Connecting arm plates (35) are fixedly connected to both the left and right sides of the front of the electrically controlled sliding seat (34). A workbench bottom plate (36) is installed on the top of the connecting arm plate (35). A detachable workbench tabletop (361) is installed on the top of the workbench bottom plate (36). A first ejector rod (37) is installed at the right end of the top inside the main frame (1). A second ejector rod (371) is installed at the left end of the top inside the main frame (1). A second control motor (38) is installed at the right end of the back of the main frame (1). A first toothed synchronous pulley (381) is installed on the back of the second control motor (38). A first transmission belt (39) is drivingly connected between the first toothed synchronous pulley (381) and the first ejector rod (37). Second toothed synchronous pulleys (301) are installed on the front and rear ends of the surfaces of the first ejector rod (37) and the second ejector rod (371). A second transmission belt (302) is drivingly connected to the surface of the second toothed synchronous pulley (301). A third control motor (303) is installed at the rear end of the left side of the main frame (1). A third toothed synchronous pulley (304) is installed at the left end of the third control motor (303). A third ejector rod (305) is installed at the rear end of the top inside the main frame (1). A fourth ejector rod (3051) is installed at the front end of the top inside the main frame (1). A third transmission belt (3041) is drivingly connected between the third toothed synchronous pulley (304) and the third ejector rod (305). Fourth toothed synchronous pulleys (306) are installed on the left and right ends of the surfaces of the third ejector rod (305) and the fourth ejector rod (3051). A fourth transmission belt (307) is drivingly connected to the surface of the fourth toothed synchronous pulley (306). Connecting sliding seats (308) are installed on the surfaces of the first ejector rod (37), the second ejector rod (371), the third ejector rod (305), and the fourth ejector rod (3051). A fifth ejector rod (309) is installed at the inner end of the connecting sliding seat (308). A 3D printing head (3091) is installed on the surface of the fifth ejector rod (309).

7. The additive and subtractive hybrid manufacturing 3D printer with a rapid cooling structure according to claim 6, characterized in that: The main rod (31) and the electrically controlled sliding seat (34) are driven to move up and down by the first control motor (33). Both the workbench bottom plate (36) and the detachable workbench tabletop (361) are of detachable structures.

8. A hybrid additive and subtractive manufacturing 3D printer with a rapid cooling structure according to claim 7, characterized in that: The first ejector rod (37) and the second ejector rod (371) are driven by a second control motor (38), a first toothed synchronous pulley (381), a first transmission belt (39), a second toothed synchronous pulley (301) and a second transmission belt (302), and the third ejector rod (305) and the fourth ejector rod (3051) are driven by a third control motor (303), a third toothed synchronous pulley (304), a third transmission belt (3041), a fourth toothed synchronous pulley (306) and a fourth transmission belt (307).

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