Metal printing structure cavity cleaning equipment
By designing a cavity cleaning equipment for metal printing structures, the circulation and transportation mechanism of cleaning liquid and conveying pumps is used to solve the problem of difficulty in cleaning the attachment of residual powder inside the complex cavity of metal printing, and efficient cleaning of the cavity inside the metal material is achieved, and the cleanliness and safety of parts is improved.
Patent Information
- Application Number
- CN202421789651.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-26
AI Technical Summary
Existing metal printing technology is difficult to effectively remove metal powder attached to complex cavity, resulting in safety hazards.
A metal printing structure cavity cleaning equipment is designed, and the cleaning liquid and conveying pump in the liquid storage tank are circulated and transported. The outflow joint and the inflow joint are connected to the inflow port of the printed metal and the outlet to clean the cavity inside the metal material.
It effectively solves the problem that residual powder is difficult to clean up inside the complex cavity of metal printing, and improves the cleanliness and safety of parts.
Smart Images

Figure CN222873370U_ABST
Abstract
Description
Technical Field
[0001] The utility model mainly relates to the technical field of metal printing, and in particular to a metal printing structure cavity cleaning device. Background Art
[0002] With the development of science and technology and the gradual maturity of printing technology, metal printing has profoundly affected the processing industry and triggered many technological updates and innovations.
[0003] Aviation parts usually require lightweight design. The use of metal printing technology can achieve complex internal structure and cavity design, helping to optimize the weight of parts while maintaining structural strength.
[0004] Aviation parts have extremely high safety requirements, and the quality and cleanliness requirements for parts are very strict. Most of the existing metal printing technologies are to manufacture parts by stacking metal powder or wire layer by layer, and using laser beams or electron beams to melt metal materials. When the processing is completed, the remaining dust inside the cavity needs to be cleaned. The existing powder cleaning methods include but are not limited to air cleaning, vibration cleaning, ultrasonic cleaning, etc. However, after cleaning by the above methods, the powder adhered to the inner wall of the cavity is still difficult to remove, and the residual powder will bring great safety hazards.
[0005] It should be noted that the above contents belong to the technical cognition scope of the inventor. Since the technical contents in this field are vast and too complicated, the above contents of this application do not necessarily constitute prior art. Utility Model Content
[0006] 1. Technical problems to be solved by the utility model:
[0007] The utility model provides a metal printing structure cavity cleaning device to solve the technical problems existing in the above-mentioned background technology.
[0008] 2. Technical solution:
[0009] To achieve the above-mentioned purpose, the technical solution provided by the utility model is as follows: a metal printing structure cavity cleaning device, comprising a mounting base, the top of the mounting base is connected to a containing box, a control box is provided on the side of the containing box, a plurality of liquid storage boxes are provided in the containing box, one side of the liquid storage box is respectively connected to a liquid inlet pipe, a first solenoid valve is respectively provided on the liquid inlet pipe, the liquid inlet pipe is collected to an outflow pipe after passing through the first solenoid valve, the outflow pipe is connected to a delivery pump, the delivery pump is provided in the control box, an outflow joint is provided on the outside of the delivery pump, and an inflow joint is provided at the rear end of the delivery pump. The inflow joint is connected to the inflow pipe, and the inflow pipe is divided into multiple return pipes. A second solenoid valve is provided on the return pipe, and the return pipes are respectively connected to the other side of the liquid storage box. The liquid storage box of the device can store different types of cleaning liquids according to the metal printing material. During the printing design stage, it is necessary to ensure that the printed metal has a connected cavity structure inside. The printed metal powder cleaning channel needs to be provided with a connecting thread for easy connection with the pipe. When working, the outflow joint and the inflow joint are connected to the inlet and outlet of the printed metal through the flushing pipe, thereby playing a role in cleaning the internal cavity of the printed metal material.
[0010] Furthermore, the top of the containing box is detachably connected to a water tank cover, and a water inlet is provided at intervals on the top of the water tank cover, and the water inlet is connected to a plug.
[0011] Furthermore, a heating cavity is provided on the top of the mounting base, the liquid storage box is provided on the top of the heating cavity, and a curved heating tube is provided in the heating cavity.
[0012] Furthermore, a temperature sensor is provided on one side of the containing box, and a probe of the temperature sensor is provided in the liquid storage box.
[0013] Furthermore, the outflow joint and the inflow joint are detachably connected to a transfer pipe, and a threaded joint is provided at the end of the transfer pipe.
[0014] Furthermore, a filter is provided on the liquid return pipeline, and the filter is located at the outlet end of the second solenoid valve.
[0015] Furthermore, a water outlet joint is provided on one side of the bottom of the liquid storage box.
[0016] Furthermore, the outflow joint of the delivery pump is connected to one end of the overflow return pipeline, and the other end of the overflow return pipeline is connected to the inflow joint.
[0017] 3. Beneficial effects:
[0018] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:
[0019] The utility model has a reasonable design. The cleaning liquid in the liquid storage box is used in conjunction with a delivery pump to circulate the cleaning liquid into the printed metal. During the delivery process, the metal powder on the surface of the internal cavity is adsorbed and taken away, thereby solving the problem that the residual powder attached to the complex cavity of metal printing is difficult to clean.
[0020] It should be noted that the structures not introduced in the present invention are not related to the design points and improvement directions of the present invention, and are the same as the prior art or can be implemented by using the prior art, and will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a structural schematic diagram of the utility model;
[0022] Figure 2 This is a schematic diagram of the structure of the control box of the utility model when it is opened;
[0023] Figure 3 This is a schematic structural diagram of the utility model from another angle;
[0024] Figure 4 It is a schematic diagram of the installation base structure of the utility model.
[0025] Reference numerals:
[0026] 1. Mounting base; 2. Receiving box; 21. Water tank cover; 22. Water inlet; 23. Plug; 3. Control box; 4. Liquid storage box; 41. Heating chamber; 42. Curved heating tube; 43. Temperature sensor; 44. Water outlet joint; 5. Liquid inlet pipe; 6. First solenoid valve; 7. Outflow pipe; 8. Delivery pump; 81. Overflow return pipe; 9. Outflow joint; 91. Transfer pipe; 92. Threaded joint; 10. Inflow joint; 11. Inflow pipe; 12. Liquid return pipe; 121. Filter; 13. Second solenoid valve. DETAILED DESCRIPTION
[0027] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", "provided on" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example
[0031] Refer to the attached Figure 1-4A metal printing structure cavity cleaning device comprises a mounting base 1, the top of the mounting base 1 is connected to a containing box 2, a control box 3 is arranged on the side of the containing box 2, a plurality of liquid storage boxes 4 are arranged in the containing box 2, one side of the liquid storage box 4 is respectively connected to a liquid inlet pipe 5, a first solenoid valve 6 is respectively arranged on the liquid inlet pipe 5, the liquid inlet pipe 5 is collected to an outflow pipe 7 after passing through the first solenoid valve 6, the outflow pipe 7 is connected to a delivery pump 8, the delivery pump 8 is arranged in the control box 3, an outflow joint 9 is arranged outside the delivery pump 8, an inflow joint 10 is arranged at the rear end of the delivery pump 8, and the inflow joint 10 is connected to The inflow pipe 11 is connected to the inflow pipe 11, and the inflow pipe 11 is divided into multiple return pipes 12. The return pipe 12 is provided with a second solenoid valve 13. The return pipes 12 are respectively connected to the other side of the liquid storage box 4. The liquid storage box 4 of the device can store different types of cleaning liquids according to the metal printing material. The printed metal needs to ensure that there is a connected cavity structure inside during the printing design stage. The printed metal powder cleaning channel needs to be provided with a connecting thread for easy connection with the pipe. When working, the outflow joint 9 and the inflow joint 10 are connected to the inlet and outlet of the printed metal through the flushing pipe, thereby playing a role in cleaning the internal cavity of the printed metal material.
[0032] This embodiment describes a specific cleaning process. After metal printing is completed, high-pressure gas is first used to blow air from the convection inlet to blow out residual metal powder. In this embodiment, the container is divided into three liquid storage boxes 4, and the liquid storage boxes 4 store acid cleaning liquid, alkaline cleaning liquid and clean water cleaning liquid respectively. First, the outflow joint 9 and the inflow joint 10 are respectively connected to the inlet and the outlet of the printed metal through pipes, and then the first solenoid valve 6 and the second solenoid valve 13 on both sides connected to the acid cleaning liquid are opened, and the first solenoid valve 6 and the second solenoid valve 13 connected to other cleaning liquids are closed, and then the delivery pump 8 is started, and the acid cleaning liquid It will enter the printed metal cavity through the outflow joint 9 for cleaning, and then return to the acid cleaning liquid storage tank 4 from the inflow joint 10 to perform acid cleaning on the printed metal. After the cleaning is completed, the first solenoid valve 6 and the second solenoid valve 13 on both sides of the acid cleaning liquid are closed, and the first solenoid valve 6 and the second solenoid valve 13 on both sides of the alkaline cleaning liquid are opened. The alkaline cleaning liquid is used to clean the cavity of the printed metal, neutralize the acidic residue in the printed metal, and restore the pH value of the inner surface of the printed metal workpiece. Finally, in the same way, the internal cavity cleaning operation of the printed metal can be completed by washing the inside with clean water cleaning liquid.
[0033] The top of the containing box 2 is detachably connected to a water tank cover 21, and a water inlet 22 is spaced apart at the top of the water tank cover 21. The water inlet 22 is connected to a plug 23. The water tank cover 21 can prevent the internal liquid from splashing out and can also protect the internal liquid from being contaminated. The water inlet 22 can input and extract the corresponding cleaning liquid into the interior, and the plug 23 is used to seal it after the input or extraction is completed.
[0034] A heating chamber 41 is provided on the top of the mounting base 1, the liquid storage box 4 is provided on the top of the heating chamber 41, and a curved heating tube 42 is provided in the heating chamber 41. Before the solution in the liquid storage box 4 works, the curved heating tube 42 will heat the inside to improve the subsequent cleaning effect of the solution.
[0035] A temperature sensor 43 is provided on one side of the containing box 2. The temperature sensing probe is provided in the liquid storage box 4. The temperature sensor 43 can detect the problem of the cleaning liquid in the liquid storage box 4 so as to perform the cleaning operation of the printed metal when the preset temperature is reached.
[0036] The outflow joint 9 and the inflow joint 10 are detachably connected to a transfer pipe 91, and a threaded joint 92 is provided at the end of the transfer pipe 91. When performing cleaning operations, the transfer pipe 91 can be connected to the two joints, so that the inner cavity cleaning operation can be performed on printed metals of different shapes.
[0037] The return liquid pipeline 12 is provided with a filter 121, and the filter 121 is located at the outlet end of the second solenoid valve 13. The filter 121 can filter the metal powder flushed out of the return cleaning liquid to facilitate the reuse of the cleaning liquid.
[0038] A water outlet joint 44 is also provided at one side of the bottom of the liquid storage box 4, and the water outlet joint 44 can conveniently discharge the cleaning liquid when opened.
[0039] The outflow joint 9 of the delivery pump 8 is connected to one end of the overflow return pipe 81, and the other end of the overflow return pipe 81 is connected to the inflow joint 10. When performing cleaning operations, the overflow return pipe 81 can transport the overflowed liquid to the end of the inflow joint 10 to prevent the transfer pipe 91 from being separated from the printed metal due to excessive pressure.
[0040] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.
Claims
1. A metal printing structure cavity cleaning device, characterized in that: The invention comprises a mounting base (1), the top of the mounting base (1) is connected to a containing box (2), a control box (3) is provided on the side of the containing box (2), the containing box (2) is provided with a plurality of liquid storage boxes (4) divided therein, one side of the liquid storage boxes (4) is respectively connected to a liquid inlet pipe (5), the liquid inlet pipe (5) is respectively provided with a first solenoid valve (6), the liquid inlet pipe (5) passes through the first solenoid valve (6) and converges to an outflow pipe (7), the outflow pipe (7) is connected to a delivery pump (8), the delivery pump (8) is arranged in the control box (3), an outflow joint (9) is provided on the outside of the delivery pump (8), an inflow joint (10) is provided at the rear end of the delivery pump (8), the inflow joint (10) is connected to an inflow pipe (11), the inflow pipe (11) is divided into a plurality of return pipes (12), the return pipes (12) are provided with a second solenoid valve (13), and the return pipes (12) are respectively connected to the other side of the liquid storage box (4).
2. The metal printing structure cavity cleaning device according to claim 1, characterized in that: The top of the containing box (2) is detachably connected to a water tank cover (21), a water inlet (22) is provided at intervals on the top of the water tank cover (21), and the water inlet (22) is connected to a plug (23).
3. The metal printing structure cavity cleaning device according to claim 1, characterized in that: A heating chamber (41) is provided on the top of the mounting base (1), the liquid storage box (4) is provided on the top of the heating chamber (41), and a curved heating tube (42) is provided in the heating chamber (41).
4. The metal printing structure cavity cleaning device according to claim 3, characterized in that: A temperature sensor (43) is provided on one side of the containing box (2), and a probe of the temperature sensor is provided in the liquid storage box (4).
5. The metal printing structure cavity cleaning device according to claim 1, characterized in that: The outflow joint (9) and the inflow joint (10) are detachably connected to a transfer pipe (91), and a threaded joint (92) is provided at the end of the transfer pipe (91).
6. The metal printing structure cavity cleaning device according to claim 1, characterized in that: The liquid return pipe (12) is provided with a filter (121), and the filter (121) is located at the outlet end of the second solenoid valve (13).
7. The metal printing structure cavity cleaning device according to claim 1, characterized in that: A water outlet joint (44) is also provided on one side of the bottom of the liquid storage box (4).
8. The metal printing structure cavity cleaning device according to claim 4, characterized in that: The outflow joint (9) of the delivery pump (8) is connected to one end of the overflow return pipeline (81), and the other end of the overflow return pipeline (81) is connected to the inflow joint (10).