Protective structure of 3D sand mold printer for thin-wall magnesium alloy casing production

Abstract

The protection structure of the 3D sand mold printer for thin-wall magnesium alloy casing production comprises a 3D printer body, an air inlet is installed on the edge of the lower end of the front side of a protection outer frame in an inserted mode, a protection cushion block is installed on the inner wall of a splicing inserting groove in an inserted mode, and a communication inserting groove is installed at the lower end of the protection cushion block in a communicated mode. A closed supporting table is installed at the upper end of the supporting sliding rail, a threaded splicing groove is formed in the rear side of the protective outer frame, an air draft fan is installed on the inner wall of the threaded splicing groove in an inserted mode, and a power source is electrically installed on the inner wall of the air draft fan. According to the protection structure of the 3D sand mold printer for thin-wall magnesium alloy casing production, the 3D printer body can be integrally covered and protected through the protection outer frame, inner and outer air bag protection can be conducted through the protection cushion blocks, rapid insertion and disassembly can be conducted through the splicing insertion grooves, independent replacement is convenient, the protection effect is better, and the production efficiency is improved. And moreover, the device can stably move through the balls and the rollers, and is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of thin-wall magnesium alloy casing production, in particular to a protective structure of a 3D sand printer for producing thin-wall magnesium alloy casings. Background Art

[0002] Magnesium alloys have the advantages of light weight, high specific strength and specific stiffness, good damping and shock absorption, good electromagnetic shielding and heat dissipation, excellent casting and forming properties, and good mechanical processing properties. Therefore, magnesium alloys are suitable for application in specific fields, such as the aviation field. Magnesium alloys are known as green structural materials in the 21st century for their high specific performance, outstanding vibration and noise absorption capabilities, good forming and processing performance, and easy recycling and reuse. However, magnesium has active chemical properties and strong affinity with oxygen. It cannot form a dense oxide film after high-temperature oxidation. Therefore, magnesium alloys are prone to oxidation and combustion during smelting, liquid forming and heat treatment, and effective flame retardant protection is required. The flame retardant of magnesium and its alloys at high temperatures, especially in the molten state, is to form an effective protective layer on its surface by physical or chemical methods, which isolates the air on the one hand and prevents magnesium evaporation on the other hand, so as to achieve the purpose of slowing down oxidation and flame retardancy. Since the 1920s, magnesium alloys have been used in the aerospace field. The use of magnesium alloys in aviation casings can reduce weight, improve the maneuverability of aerospace vehicles, reduce fuel consumption, and bring considerable economic benefits. During production, 3D sand printers can be used for processing.

[0003] The existing sand mold 3D printer with publication number CN109967697A is equipped with a sand supply system with two sand storage tanks for sand supply, which can effectively reduce the size of the equipment and ensure continuous sand supply; a linear motor is used to drive the printing beam and the sand laying beam, which can improve the stability of the equipment operation and reduce noise, and two working boxes are used for printing to achieve continuous operation of the equipment and improve printing efficiency. However, there are shortcomings. The existing equipment cannot effectively protect it, and it is unstable to move and inconvenient to use. Therefore, a protective structure of a 3D sand mold printer for thin-walled magnesium alloy casing production is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a protective structure for a 3D sand printer for producing thin-walled magnesium alloy casings, so as to solve the problems mentioned in the above background technology that the sand 3D printer cannot effectively protect it, is unstable to move, and is inconvenient to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective structure of a 3D sand mold printer for producing a thin-walled magnesium alloy casing, comprising a 3D printer body, a control panel is installed on the front edge of the 3D printer body, and a support slide rail is installed on the lower end of the inner wall of the 3D printer body, a support base is distributed at the lower end of the 3D printer body, and threaded mounting blocks are fixedly connected on both sides of the support base, a support screw is inserted and installed on the inner wall of the threaded mounting block, a ball is inlaid and installed on one side of the lower end of the support base, and a roller is inlaid and installed on the other side of the lower end of the support base, and electric push rods are inserted and installed on both sides of the upper end of the support base. Rod, and the outer wall of the electric push rod is fitted with a protective outer frame, the inner and outer walls of the protective outer frame are provided with splicing slots, and the inner wall edge of the splicing slot is plugged and installed with a connecting socket, one end of the connecting socket is connected and installed with an air duct, and one end of the air duct is connected and installed with an air inlet, the air inlet is plugged and installed at the lower end edge of the front side of the protective outer frame, a protective pad is plugged and installed on the inner wall of the splicing slot, and the lower end of the protective pad is connected and installed with a connecting slot, a closed supporting platform is installed on the upper end of the supporting slide rail, a threaded splicing groove is provided on the rear side of the protective outer frame, and an exhaust fan is plugged and installed on the inner wall of the threaded splicing groove, and a power supply is electrically installed on the inner wall of the exhaust fan.

[0006] Preferably, the closed support platform is an L-shaped structure, and the shape of the front side of the closed support platform matches the shape of the opening of the 3D printer body. The closed support platform is connected to the 3D printer body in a front-to-rear sliding manner via a supporting slide rail.

[0007] Preferably, the shape of the protective outer frame matches the shape of the outer wall of the 3D printer body, and the protective outer frame is distributed in a cover relationship with the 3D printer body, and the protective outer frame is movably connected to the 3D printer body through an electric push rod.

[0008] Preferably, the balls and rollers are distributed in a matrix position at the lower end of the support base, the support screw is vertically spirally lifted and lowered connected to the support base via a threaded mounting block, the exhaust fan is independently powered by a power supply, and the exhaust fan is spirally spliced ​​and installed with the protective outer frame in a threaded splicing groove via a threaded splicing block.

[0009] Preferably, the protective cushion block is an airbag structure, and the protective cushion block is distributed in a wrapped position on the inner and outer walls of the protective outer frame, and the protective cushion block is installed by plugging and splicing with the protective outer frame through a splicing slot.

[0010] Preferably, the protective cushion block is installed in a plug-in connection with the air duct in the communicating slot via a communicating socket, and the air duct is distributed in a mesh shape in the protective outer frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the protective structure of the 3D sand mold printer for producing thin-walled magnesium alloy casings can cover and protect the 3D printer body as a whole through a protective outer frame, and can provide internal and external airbag protection through protective pads, and can be quickly plugged in and disassembled through splicing slots, which is convenient for independent replacement and has better protective effect, and the device can be stably moved through balls and rollers, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of the protective structure of a 3D sand printer for producing a thin-walled magnesium alloy casing according to the utility model;

[0013] Figure 2 This is a cross-sectional view of the protective structure of a 3D sand printer for producing a thin-walled magnesium alloy casing according to the utility model;

[0014] Figure 3 This is a schematic diagram of the connection between the protective structure of the 3D sand printer for producing thin-walled magnesium alloy casings and the exhaust fan;

[0015] Figure 4 This utility model is a protective structure of a 3D sand printer for producing thin-walled magnesium alloy casings Figure 2 Enlarged view of point A in the middle;

[0016] Figure 5 This utility model is a protective structure of a 3D sand printer for producing thin-walled magnesium alloy casings Figure 2 Enlarged view of point B in the middle;

[0017] Figure 6 This utility model is a protective structure of a 3D sand printer for producing thin-walled magnesium alloy casings Figure 2 Enlarged view of point C in the middle;

[0018] Figure 7 This utility model is a protective structure of a 3D sand printer for producing thin-walled magnesium alloy casings Figure 3 Enlarged view of point D in the middle.

[0019] In the figure: 1. 3D printer body, 2. support base, 3. support slide rail, 4. closed support table, 5. control panel, 6. air duct, 7. protective outer frame, 8. ball bearing, 9. electric push rod, 10. roller, 11. exhaust fan, 12. power supply, 13. connecting socket, 14. connecting slot, 15. protective pad, 16. air inlet, 17. threaded mounting block, 18. support screw, 19. threaded splicing groove, 20. threaded splicing block, 21. splicing slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-7 The utility model provides a technical solution: a protective structure of a 3D sand printer for producing a thin-walled magnesium alloy casing, comprising a 3D printer body 1, a support base 2, a support slide rail 3, a closed support platform 4, a control panel 5, an air duct 6, a protective outer frame 7, a ball bearing 8, an electric push rod 9, a roller 10, an exhaust fan 11, a power supply 12, a connecting socket 13, a connecting slot 14, a protective pad 15, an air inlet 16, a threaded mounting block 17, a support screw 18, a threaded splicing groove 19, a threaded splicing block 20 and a splicing slot 21, a control panel 5 is installed on the front edge of the 3D printer body 1, and a support slide rail 3 is installed on the lower end of the inner wall of the 3D printer body 1, and a support base 2 is distributed at the lower end of the 3D printer body 1, And threaded mounting blocks 17 are fixedly connected on both sides of the support base 2, and a supporting screw 18 is installed on the inner wall of the threaded mounting block 17. A ball 8 is inlaid on one side of the lower end of the support base 2, and a roller 10 is inlaid on the other side of the lower end of the support base 2. The ball 8 and the roller 10 are distributed in a matrix position at the lower end of the support base 2. The support screw 18 is vertically spirally lifted and connected to the support base 2 through the threaded mounting block 17. The exhaust fan 11 is an independent power supply structure through the power supply 12, and the exhaust fan 11 is spirally spliced ​​with the protective outer frame 7 in the threaded splicing groove 19 through the threaded splicing block 20. In this way, the device can be stably moved through the ball 8 and the roller 10, and dissipate heat effectively, and is convenient and quick to disassemble and use.

[0022] Electric push rods 9 are installed on both sides of the upper end of the support base 2, and a protective outer frame 7 is installed on the outer wall of the electric push rod 9. The shape of the protective outer frame 7 matches the shape of the outer wall of the 3D printer body 1, and the protective outer frame 7 is covered and distributed with the 3D printer body 1. The protective outer frame 7 is connected to the 3D printer body 1 through the electric push rod 9 in a lifting and movable manner, so that the protective outer frame 7 is convenient for covering and protecting, and can be conveniently lifted and lowered, and is convenient for installation and use.

[0023] The inner and outer walls of the protective outer frame 7 are provided with a splicing slot 21, and a connecting socket 13 is installed on the inner wall edge of the splicing slot 21, an air duct 6 is installed at one end of the connecting socket 13, and an air inlet 16 is installed at one end of the air duct 6, and the air inlet 16 is installed at the lower end edge of the front side of the protective outer frame 7. A protective pad 15 is installed on the inner wall of the splicing slot 21, and a connecting slot 14 is installed at the lower end of the protective pad 15. The protective pad 15 is an airbag structure, and the protective pad 15 is distributed in a wrapped position on the inner and outer walls of the protective outer frame 7. The protective pad 15 is spliced ​​and installed with the protective outer frame 7 through the splicing slot 21, so that the protective pad 15 can perform internal and external air cushion protection, and is convenient and fast to disassemble and replace independently.

[0024] The protective pad 15 is installed in a plug-in connection with the air duct 6 in the connecting slot 14 through the connecting socket 13, and the air duct 6 is distributed in a mesh shape in the protective outer frame 7, so that the protective pad 15 is convenient for overall inflation operation and easy to use. A closed support platform 4 is installed on the upper end of the supporting slide rail 3. The closed support platform 4 is an L-shaped structure, and the shape of the front side of the closed support platform 4 matches the shape of the opening of the 3D printer body 1. The closed support platform 4 is connected to the 3D printer body 1 in a front and rear sliding manner through the supporting slide rail 3, so that the closed support platform 4 is convenient for sliding, pushing and pulling, and can be effectively closed for use. A threaded splicing groove 19 is opened on the rear side of the protective outer frame 7, and an exhaust fan 11 is inserted and installed on the inner wall of the threaded splicing groove 19, and a power supply 12 is electrically installed on the inner wall of the exhaust fan 11.

[0025] Working principle: When using the protective structure of the 3D sand printer for the production of thin-walled magnesium alloy casings, first connect the device to the power supply, then place the 3D printer body 1 on the support base 2, and then drive the protective outer frame 7 through the electric push rod 9 to cover the 3D printer body 1 for protection. The protective pad 15 can be used for airbag protection. When impacted, air cushioning can be performed. When part of the protective pad 15 is damaged, it can be independently disassembled and replaced through the splicing slot 21. During operation, it can be sucked and dissipated by the exhaust fan 11. When damaged, it can be quickly disassembled and assembled through the threaded splicing groove 19 and the threaded splicing block 20. When it needs to be moved, the support screw 18 can be spirally raised, and then pushed and pulled by the ball 8 and the roller 10. This is the use process of the protective structure of the 3D sand printer for the production of thin-walled magnesium alloy casings.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A protective structure for a 3D sand printer for producing a thin-walled magnesium alloy casing, comprising a 3D printer body (1), a control panel (5) being installed on the front edge of the 3D printer body (1), and a support rail (3) being installed on the lower end of the inner wall of the 3D printer body (1), characterized in that: A support base (2) is distributed at the lower end of the 3D printer body (1), and threaded mounting blocks (17) are fixedly connected on both sides of the support base (2), and a support screw (18) is inserted and installed on the inner wall of the threaded mounting block (17), a ball (8) is embedded and installed on one side of the lower end of the support base (2), and a roller (10) is embedded and installed on the other side of the lower end of the support base (2), an electric push rod (9) is inserted and installed on both sides of the upper end of the support base (2), and a protective outer frame (7) is sleeved and installed on the outer wall of the electric push rod (9), and the inner and outer walls of the protective outer frame (7) are provided with a splicing slot (21), and the inner wall edge of the splicing slot (21) is inserted and installed with a connecting socket (1 3), an air duct (6) is connected and installed at one end of the connecting socket (13), and an air inlet (16) is connected and installed at one end of the air duct (6), the air inlet (16) is plugged and installed at the lower end edge of the front side of the protective outer frame (7), a protective pad (15) is plugged and installed on the inner wall of the splicing slot (21), and the lower end of the protective pad (15) is connected and installed with a connecting slot (14), a closed support platform (4) is installed on the upper end of the supporting slide rail (3), a threaded splicing slot (19) is opened on the rear side of the protective outer frame (7), and an exhaust fan (11) is plugged and installed on the inner wall of the threaded splicing slot (19), and a power supply (12) is electrically installed on the inner wall of the exhaust fan (11).

2. The protective structure of a 3D sand printer for producing a thin-walled magnesium alloy casing according to claim 1, characterized in that: The closed support platform (4) is an L-shaped structure, and the shape of the front side of the closed support platform (4) matches the shape of the opening of the 3D printer body (1). The closed support platform (4) is connected to the 3D printer body (1) in a forward and backward sliding manner via a supporting slide rail (3).

3. The protective structure of a 3D sand printer for producing a thin-walled magnesium alloy casing according to claim 2, characterized in that: The shape of the protective outer frame (7) matches the shape of the outer wall of the 3D printer body (1), and the protective outer frame (7) and the 3D printer body (1) are arranged to cover each other, and the protective outer frame (7) is movably connected to the 3D printer body (1) via an electric push rod (9) in a lifting manner.

4. The protective structure of a 3D sand printer for producing a thin-walled magnesium alloy casing according to claim 3, characterized in that: The balls (8) and the rollers (10) are arranged in a matrix position at the lower end of the support base (2); the support screw (18) is vertically spirally lifted and lowered connected to the support base (2) via a threaded mounting block (17); the exhaust fan (11) is independently powered by a power supply (12); and the exhaust fan (11) is spirally spliced ​​and mounted with the protective outer frame (7) in a threaded splicing groove (19) via a threaded splicing block (20).

5. The protective structure of a 3D sand printer for producing a thin-walled magnesium alloy casing according to claim 4, characterized in that: The protective cushion block (15) is an airbag structure, and the protective cushion block (15) is distributed in a wrapped position on the inner and outer walls of the protective outer frame (7), and the protective cushion block (15) is installed by plugging and splicing with the protective outer frame (7) via a splicing slot (21).

6. The protective structure of a 3D sand printer for producing a thin-walled magnesium alloy casing according to claim 5, characterized in that: The protective cushion block (15) is installed in a plug-in connection with the air guide pipe (6) in the connecting slot (14) via the connecting socket (13), and the air guide pipe (6) is distributed in a mesh shape inside the protective outer frame (7).

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