Water injection cooling tool for additive manufacturing equipment

Abstract

The utility model discloses a water injection cooling tool for additive manufacturing equipment, which comprises a water container, an exhaust pipe, an inert gas supply mechanism, a first gas pipe, a second gas pipe, a four-way joint, a three-way joint and a water pipe, one end of the exhaust pipe is connected with a feed pipe, and the other end of the exhaust pipe is inserted into the water container; the inert gas supply mechanism is connected with a first connector of the four-way connector through the first valve and the first gas pipe in sequence, a second connector of the four-way connector is connected with one end of the exhaust pipe through the second gas pipe and the second valve in sequence, and a third connector of the four-way connector is communicated with the circulating filtration system through the third valve. A fourth connector of the four-way connector is connected with a first connector of the three-way connector through a fourth valve, and a third connector of the three-way connector is connected with the water pipe. The safety problem in the slag tank cleaning process is solved, the waste slag cleaning time is greatly shortened, the utilization rate of the slag tank is effectively improved, and meanwhile, the slag tank cleaning device can be compatible with waste slag cleaning of active metal.

Description

Technical Field

[0001] The utility model belongs to the technical field of additive manufacturing, and in particular relates to a water injection cooling tool for additive manufacturing equipment. Background Art

[0002] The waste slag generated by printing with existing additive manufacturing equipment will be filtered through a circulating filtration system and then stored in a slag tank. When the amount of waste slag in the slag tank accumulates to the upper limit of the material level and triggers an alarm, the operator needs to move the slag tank out to an open area outdoors and manually cool and clean the waste slag inside separately so that the slag tank can be reused and its utilization efficiency can be improved. The existing cleaning method is to move the slag tank out to an open area outdoors, open the tank lid and quickly move away from the slag tank, let the slag tank stand for 36-48 hours to allow the waste slag to cool naturally, and then pour water on the slag tank at a remote end to quickly cool the slag tank. This slag tank cleaning method has certain safety risks, and the waste slag generated by metal printing equipment contains active metals. The existing cleaning method cannot clean the waste slag of active metals because the active metal waste slag is easily ignited when exposed to the air. In order to solve the above technical problems, the utility model designs this water-injected cooling tooling, which solves the safety problems in the slag tank cleaning process, greatly shortens the waste slag cleaning time, effectively improves the utilization rate of the slag tank, and is compatible with the cleaning of waste slag of active metals. Utility Model Content

[0003] The utility model provides a water injection cooling tooling for additive manufacturing equipment, which solves the safety problem in the slag pot cleaning process, effectively avoids damage to personnel or equipment during waste slag cleaning, is safe and reliable, and greatly shortens the waste slag cleaning time, effectively improves the utilization rate of the slag pot, and is compatible with the waste slag cleaning of active metals.

[0004] The specific technical solutions adopted in this utility model are as follows:

[0005] A water injection cooling fixture for additive manufacturing equipment, the additive manufacturing equipment comprising a circulating filtration system and a slag pot mounted at the bottom of the circulating filtration system. A feed pipe is mounted on the top of the circulating filtration system, and a feed valve is provided on the feed pipe. The water injection cooling fixture for additive manufacturing equipment comprises a water container, an exhaust pipe, an inert gas supply mechanism, a first air pipe, a second air pipe, a four-way joint, a three-way joint, and a water pipe. One end of the exhaust pipe is connected to the feed pipe, and the other end of the exhaust pipe is inserted into the water container, which is filled with water.

[0006] The inert gas supply mechanism is connected to the first interface of the four-way joint through a first valve and a first air pipe in sequence, the second interface of the four-way joint is connected to one end of the exhaust pipe through a second air pipe and a second valve in sequence, the third interface of the four-way joint is connected to the circulation filtration system through a third valve, the fourth interface of the four-way joint is connected to the first interface of the three-way joint through a fourth valve, the second interface of the three-way joint is installed with a drain valve, and the third interface of the three-way joint is connected to the water pipe.

[0007] Preferably, the feed valve is a manual butterfly valve.

[0008] Preferably, the first valve, the second valve and the third valve are all manual ball valves.

[0009] Preferably, the fourth valve is a pneumatic valve, and the water injection cooling tooling for additive manufacturing equipment further includes a third air pipe and a manual valve, and the inert gas supply mechanism is connected to the fourth valve in sequence through the manual valve and the third air pipe.

[0010] Furthermore, the water injection cooling tooling for additive manufacturing equipment also includes a pressure regulating filter and a flow meter, and the first valve and the manual valve are connected to the inert gas supply mechanism through the pressure regulating filter and the flow meter.

[0011] Furthermore, the water injection cooling tooling for additive manufacturing equipment also includes a remote operation panel, and the pressure regulating filter, flow meter, first valve and manual valve are all installed on the remote operation panel.

[0012] Preferably, the drain valve is a manual ball valve.

[0013] The beneficial effects of the utility model are as follows: the utility model first fills the circulating filtration system and the water injection cooling tooling with inert gas through the method of injecting water into the inert gas environment, so that the internal air is replaced and the air is exhausted, and then water is injected into the slag tank at the bottom of the circulating filtration system, thereby quickly reducing the temperature of the waste slag, solving the safety problem in the slag tank cleaning process, and effectively avoiding damage to personnel or equipment during waste slag cleaning. It is safe and reliable, and greatly shortens the waste slag cleaning time, effectively improves the utilization rate of the slag tank, and is compatible with the waste slag cleaning of active metals. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] The above reference numerals:

[0017] 1. Circulation filtration system; 2. Slag tank; 3. Feed pipe; 4. Feed valve; 5. Exhaust pipe; 6. Water container; 7. First air pipe; 8. Second air pipe; 9. First valve; 10. Four-way connector; 11. Second valve; 12. Third valve; 13. Fourth valve; 14. Three-way connector; 15. Drain valve; 16. Water pipe; 17. Manual valve; 18. Third air pipe; 19. Pressure regulating filter; 20. Flow meter; 21. Remote operation panel; 22. Air source connector. DETAILED DESCRIPTION

[0018] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to facilitate a more thorough and comprehensive understanding of the disclosure of the present invention.

[0019] like Figure 1 As shown, this embodiment provides a water injection cooling tool for additive manufacturing equipment, the additive manufacturing equipment includes a circulating filtration system 1 and a slag pot 2 installed at the bottom of the circulating filtration system 1, a feed pipe 3 is installed on the top of the circulating filtration system 1, and a feed valve 4 is provided on the feed pipe 3; the water injection cooling tool for additive manufacturing equipment includes a water container 6, an exhaust pipe 5, an inert gas supply mechanism, a first air pipe 7, a second air pipe 8, a four-way joint 10, a three-way joint 14 and a water pipe 16, one end of the exhaust pipe 5 is connected to the feed pipe 3, and the other end of the exhaust pipe 5 is inserted into the water container 6, and the water container 6 is filled with water.

[0020] The inert gas supply mechanism is connected to the first interface of the four-way joint 10 through the first valve 9 and the first air pipe 7 in sequence, the second interface of the four-way joint 10 is connected to one end of the exhaust pipe 5 through the second air pipe 8 and the second valve 11 in sequence, the third interface of the four-way joint 10 is connected to the circulation filtration system 1 through the third valve 12, the fourth interface of the four-way joint 10 is connected to the first interface of the three-way joint 14 through the fourth valve 13, the second interface of the three-way joint 14 is installed with a drain valve 15, and the third interface of the three-way joint 14 is connected to the water pipe 16.

[0021] In this embodiment, the circulating filtration system 1, the slag pot 2 and the inert gas supply mechanism are conventional configurations of additive manufacturing equipment, and the specific structure will not be elaborated in detail here.

[0022] In this embodiment, inert gas is first filled into the circulating filtration system 1 and the water injection cooling tooling by injecting water into the inert gas environment, so that the internal air is replaced and the air is exhausted, and then water is injected into the slag pot 2 at the bottom of the circulating filtration system 1, thereby quickly reducing the temperature of the waste slag, solving the safety problem in the cleaning process of the slag pot 2, and effectively avoiding damage to personnel or equipment during the waste slag cleaning. It is safe and reliable, and greatly shortens the waste slag cleaning time, effectively improves the utilization rate of the slag pot 2, and is compatible with the cleaning of waste slag of active metals.

[0023] The existing cleaning method is to move the slag pot to an open outdoor area, open the pot lid and quickly move away from the slag pot, let the slag pot stand for 36-48 hours to allow the waste slag to cool naturally, and then irrigate the slag pot with water at a remote end to quickly cool the slag pot. This slag pot cleaning method has certain safety risks, and the waste slag produced by metal printing equipment contains active metals. In this embodiment, after moving the circulating filtration system and the slag pot to an open outdoor area, there is no need to let it stand for 36-48 hours. The water injection cooling tooling of this embodiment can be directly installed relative to the circulating filtration system to directly clean the waste slag, greatly shortening the waste slag cleaning time. At the same time, since there is no need to open the pot lid, and the air in the circulating filtration system and the slag pot is replaced by an inert gas supply mechanism, the oxygen content is reduced to a safe value, making it compatible with the cleaning of waste slag containing active metals.

[0024] When the water injection cooling fixture is not in use, the first valve 9, the second valve 11, the third valve 12, the fourth valve 13 and the drain valve 15 are all in the closed state. When the amount of waste slag in the slag tank 2 accumulates to the upper limit of the material level and triggers the alarm, the operator closes the feed valve 4 and moves the circulating filtration system 1 and the slag tank 2 to an open outdoor space. Figure 1 The water injection cooling fixture of this embodiment is required to be installed on the circulating filtration system 1. After the installation is completed, the water pipe 16 is connected to the water source, such as the dragon head, and the slag tank 2 cleaning work is started. The specific operation process of the slag tank 2 cleaning work of this embodiment is as follows:

[0025] 1) First open the second valve 11, then open the first valve 9, so that the inert gas supply mechanism, the first air pipe 7, the second air pipe 8 and the exhaust pipe 5 are connected. The inert gas supply mechanism fills the first air pipe 7, the second air pipe 8 and the exhaust pipe 5 with inert gas, so that the air in the first air pipe 7, the second air pipe 8 and the exhaust pipe 5 is completely exhausted. The other end of the exhaust pipe 5 is inserted into the water in the water container 6, effectively preventing external air from entering the exhaust pipe 5, ensuring that the air in the exhaust pipe 5 is completely exhausted. After 5 minutes, the second valve 11 is closed, disconnecting the second air pipe 8 from the exhaust pipe 5. Simultaneously, the feed valve 4 and the third valve 12 are opened, connecting the inert gas supply mechanism, the first air pipe 7, the circulating filtration system 1, and the slag pot 2. Furthermore, the circulating filtration system 1 and the exhaust pipe 5 are connected. The inert gas supply mechanism fills the circulating filtration system 1 and the slag pot 2 with inert gas via the first air pipe 7, completely filling the circulating filtration system 1 and the slag pot 2 with inert gas. This completes the air replacement and exhaust of the internal air within the circulating filtration system 1, the slag pot 2, and the water-injection cooling fixture, preventing the risk of explosion caused by contact between the waste slag and air. After 5 minutes, the first valve 9 is closed, disconnecting the inert gas supply mechanism from the first air pipe 7.

[0026] 2) After completing step 1), open the drain valve 15, then open the water source to supply water to the water pipe 16, observe whether water is discharged from the drain valve 15, if water is discharged, close the drain valve 15, and open the fourth valve 13 at the same time to connect the water source, the water pipe 16 and the circulating filtration system 1, thereby injecting water into the circulating filtration system 1 and the slag tank 2 to quickly reduce the temperature of the waste slag, wherein the feed valve 4 is in the open state.

[0027] 3) After the water injection is completed, the water source is turned off, and the fourth valve 13 and the third valve 12 are closed, with the feed valve 4 in the open state. The mixture is left to stand for 4-24 hours according to the requirements of different powders.

[0028] In this embodiment, the feed valve 4 is preferably a manual butterfly valve.

[0029] Preferably, in this embodiment, the first valve 9 , the second valve 11 and the third valve 12 are all manual ball valves.

[0030] In this embodiment, the drain valve 15 is preferably a manual ball valve.

[0031] In this embodiment, the fourth valve 13 is further preferably a pneumatic valve. The water injection cooling fixture for additive manufacturing equipment further includes a third air pipe 18 and a manual valve 17. The inert gas supply mechanism is sequentially connected to the fourth valve 13 via the manual valve 17 and the third air pipe 18. When the fourth valve 13 needs to be opened, the manual valve 17 is manually opened, and the inert gas supply mechanism delivers inert gas to the fourth valve 13 via the third air pipe 18, thereby opening the fourth valve 13.

[0032] In this embodiment, the water-injection cooling fixture for additive manufacturing equipment further includes a pressure-regulating filter 19 and a flowmeter 20. The first valve 9 and the manual valve 17 are connected to the inert gas supply mechanism via the pressure-regulating filter 19 and the flowmeter 20. The flowmeter 20 controls the flow of the inert gas, while the pressure-regulating filter 19 filters the oil mist contained in the inert gas and controls the delivery pressure of the inert gas. In this embodiment, the pressure-regulating filter 19 is connected to the inert gas supply mechanism via a gas source connector 22.

[0033] In this embodiment, the water injection cooling fixture for additive manufacturing equipment further includes a remote operation panel 21. The pressure regulating filter 19, flow meter, first valve 9, and manual valve 17 are all mounted on the remote operation panel 21. The remote operation panel 21 is located remotely from the circulating filtration system 1 and the slag pot 2, enabling remote control and improving safety during cleaning of the slag pot 2.

[0034] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A water injection cooling fixture for additive manufacturing equipment, the additive manufacturing equipment comprising a circulating filtration system (1) and a slag pot (2) installed at the bottom of the circulating filtration system (1), a feed pipe (3) installed at the top of the circulating filtration system (1), and a feed valve (4) provided on the feed pipe (3); characterized in that: The water injection cooling tooling for additive manufacturing equipment comprises a water container (6), an exhaust pipe (5), an inert gas supply mechanism, a first air pipe (7), a second air pipe (8), a four-way joint (10), a three-way joint (14) and a water pipe (16), one end of the exhaust pipe (5) is connected to the feed pipe (3), and the other end of the exhaust pipe (5) is inserted into the water container (6), and the water container (6) is filled with water; The inert gas supply mechanism is connected to the first interface of the four-way joint (10) through the first valve (9) and the first air pipe (7) in sequence, the second interface of the four-way joint (10) is connected to one end of the exhaust pipe (5) through the second air pipe (8) and the second valve (11) in sequence, the third interface of the four-way joint (10) is connected to the circulation filtration system (1) through the third valve (12), the fourth interface of the four-way joint (10) is connected to the first interface of the three-way joint (14) through the fourth valve (13), the second interface of the three-way joint (14) is equipped with a drain valve (15), and the third interface of the three-way joint (14) is connected to the water pipe (16).

2. The water injection cooling fixture for additive manufacturing equipment according to claim 1, characterized in that: The feed valve (4) is a manual butterfly valve.

3. The water injection cooling fixture for additive manufacturing equipment according to claim 1, characterized in that: The first valve (9), the second valve (11) and the third valve (12) are all manual ball valves.

4. The water injection cooling fixture for additive manufacturing equipment according to claim 1, characterized in that: The fourth valve (13) is a pneumatic valve, and the water injection cooling tooling for additive manufacturing equipment also includes a third air pipe (18) and a manual valve (17). The inert gas supply mechanism is connected to the fourth valve (13) through the manual valve (17) and the third air pipe (18) in sequence.

5. The water injection cooling fixture for additive manufacturing equipment according to claim 4, characterized in that: The water injection cooling tooling for additive manufacturing equipment further includes a pressure regulating filter (19) and a flow meter (20), and the first valve (9) and the manual valve (17) are both connected to the inert gas supply mechanism via the pressure regulating filter (19) and the flow meter (20).

6. The water injection cooling fixture for additive manufacturing equipment according to claim 5, characterized in that: The water injection cooling tooling for additive manufacturing equipment further comprises a remote operation panel (21), and the pressure regulating filter (19), flow meter (20), first valve (9) and manual valve (17) are all installed on the remote operation panel (21).

7. The water injection cooling fixture for additive manufacturing equipment according to claim 1, characterized in that: The drain valve (15) is a manual ball valve.

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