Sand cleaning device of sand mold 3D printer for complex metal cabin casting production

Abstract

The utility model discloses a sand mold 3D printer sand cleaning device for complex metal cabin casting production, first electric push rods are respectively arranged on two sides of the upper end face of an operation table, first telescopic arms are arranged above the first electric push rods, and connecting rods are respectively arranged on opposite surfaces of the upper ends of the first telescopic arms. The other end of the connecting rod is connected with a protective cover, a metal cabin part is placed below the protective cover, two sets of air blowing pipes are arranged in the protective cover, and the other end of each air blowing pipe is connected with an air blower through a connecting pipe. According to the sand mold 3D printer sand cleaning device for complex metal cabin casting production, a protective cover and an operation table form a vertical lifting structure through a first telescopic arm under the action of a first electric push rod, and an air blowing structure is formed by an air blowing pipe and the interior of the protective cover through an air blower; and therefore, the printed metal cabin part is shielded through the lifting protective cover, and sand on the metal cabin part is quickly blown off to the two sides through the air blowing pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of metal cabin production, in particular to a sand mold 3D printer sand cleaning device for producing complex metal cabin castings. Background Art

[0002] Metal cabin parts are one of the main structures of the missile body, and they have strength and weight control requirements. Through the process of production, quality improvement and other activities, the adaptability, practicality and safety of the parts are guaranteed. During the production of metal cabins, the raw materials are stacked layer by layer through 3D printers to be processed into metal cabin parts of suitable shapes.

[0003] During the use of the 3D printer, the sand remaining on the surface of the parts after production is cleaned through the dust suction port, so as to remove the metal cabin after production. However, during the use of the existing 3D printer, the metal cabin parts are inconvenient to be cleaned through the dust suction port due to the complex shape of the metal cabin parts, and the sand cleaning efficiency of the device is low only through the dust suction port. Therefore, a sand cleaning device for a sand mold 3D printer for the production of complex metal cabin castings is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a sand cleaning device for a sand mold 3D printer for producing complex metal cabin castings, so as to solve the problem that during use of the existing 3D printer proposed in the above background technology, the metal cabin parts are complex in shape, which makes it inconvenient to clean them through the dust suction port, and the sand cleaning efficiency of the device is low only through the dust suction port.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sand cleaning device for a sand mold 3D printer for producing complex metal cabin castings, comprising an operating table, the upper end surface of the operating table is respectively provided with a first electric push rod on both sides, and the first electric push rod is provided with a first telescopic arm on the upper side, the upper end of the first telescopic arm is respectively provided with a connecting rod on the opposite side, and the other end of the connecting rod is connected to a protective cover, and a metal cabin part is placed below the protective cover, and the protective cover is respectively provided with two sets of blowing pipes inside, and the other end of the blowing pipe is connected to a hair dryer through a connecting pipe;

[0006] The protective cover is provided with a first fixing frame on the upper inner wall, and the first fixing frame is provided with a first servo motor inside, one end of the output shaft of the first servo motor is connected to the screw through a coupling, and the screw is provided with a first sliding rod on one side, and the screw and the first sliding rod are interspersed with a first movable block, the first movable block is respectively provided with two groups of second electric push rods on the lower end surface, and the second electric push rods are respectively provided with second telescopic arms at the bottom, the other end of the second telescopic arm is provided with a concave fixing frame, and the concave fixing frame is provided with a micro servo motor inside, the micro servo motor is provided with an output shaft, and the output shaft is provided with a dust suction port on the outer wall, the dust suction port is provided with a dust suction pipe, and the other end of the dust suction pipe is connected to the exhaust fan;

[0007] A second fixing frame is respectively provided on the operating table on both sides of the protective cover, and a second servo motor is provided inside the second fixing frame, one end of the output shaft of the second servo motor is connected to the bidirectional screw through a coupling, and the bidirectional screw is provided with a second sliding bar below, and another group of second fixing frames is also provided with a second sliding bar inside, and second movable blocks are respectively inserted at both ends of the bidirectional screw and the second sliding bar, and a fixing box is provided on the second movable block, a motor is provided in the fixing box, and an output shaft is provided on the motor, the other end of the output shaft is connected to the scraper, and a rotating block is provided at the other end of the scraper, and the other end of the rotating block is inserted in another group of fixing boxes, and two groups of grooves are respectively opened on the upper end surface of the operating table, and a collection box is placed in the groove.

[0008] Preferably, the protective cover forms a vertical lifting structure through the first telescopic arm and the operating table under the action of the first electric push rod, and the blowing pipe forms a blowing structure through the hair dryer and the interior of the protective cover.

[0009] Preferably, the second electric push rod, under the action of the first servo motor, forms a limited sliding structure through the screw, the first sliding rod, the first movable block and the first fixed frame, and the micro servo motor, under the action of the second electric push rod, forms a vertical lifting structure through the second telescopic arm and the operating table.

[0010] Preferably, the suction port forms a rotating structure through the output shaft and the concave fixing frame under the action of the micro servo motor, and the suction port forms a suction structure through the suction pipe and the inside of the protective cover under the action of the exhaust fan.

[0011] Preferably, the motor, under the action of the second servo motor, forms a bidirectional limited sliding structure through the bidirectional screw, the second sliding rod, the second movable block and the second fixed frame, and the scraper, under the action of the motor, forms a rotating structure through the output shaft and the fixed box.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the protective cover of the sand cleaning device of the sand mold 3D printer for producing complex metal cabin castings forms a vertical lifting structure through the first telescopic arm and the operating table under the action of the first electric push rod, and the blowing pipe forms a blowing structure through the hair dryer and the inside of the protective cover, so that the printed metal cabin parts are shielded by the lifting protective cover, and the sand on the metal cabin parts is quickly blown off to both sides through the blowing pipe, and the motor of the device forms a double-acting structure through the bidirectional screw, the second sliding rod, the second movable block and the second fixed frame under the action of the second servo motor. The scraper forms a rotating structure through the output shaft and the fixed box under the action of the motor, so that the sand is quickly pushed into the collection box for collection through the scraper with two-way limited sliding, thereby increasing the efficiency of cleaning the sand after the 3D printer is completed. The dust suction port of the device forms a rotating structure through the output shaft and the concave fixed frame under the action of the micro servo motor, and the dust suction port forms a suction structure through the dust suction pipe and the inside of the protective cover under the action of the exhaust fan, so that the sand remaining on the surface of the metal cabin parts is secondary cleaned through the movable dust suction port, thereby ensuring the cleaning effect of the device on the sand. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a sand cleaning device for a sand mold 3D printer used in the production of a complex metal cabin casting of the utility model;

[0014] Figure 2 This is a side structural schematic diagram of a sand mold 3D printer sand cleaning device for producing a complex metal cabin casting of the utility model;

[0015] Figure 3 This is a side structural diagram of a scraper limit sliding assembly of a sand cleaning device for a sand mold 3D printer for producing a complex metal cabin casting of the utility model;

[0016] Figure 4 This is a schematic diagram of the top view of the protective cover assembly of the sand cleaning device of a sand mold 3D printer for producing a complex metal cabin casting of the utility model;

[0017] Figure 5 A schematic diagram of the top view of the scraper assembly of a sand cleaning device for a sand mold 3D printer for producing a complex metal cabin casting according to the utility model;

[0018] Figure 6 This is a schematic diagram of the structure of the dust suction port assembly of a sand mold 3D printer sand cleaning device for producing a complex metal cabin casting according to the utility model.

[0019] In the figure: 1, operating table, 2, first electric push rod, 3, first telescopic arm, 4, protective cover, 5, blow pipe, 6, first fixed frame, 7, first servo motor, 8, screw, 9, first slide bar, 10, first movable block, 11, second electric push rod, 12, second telescopic arm, 13, micro servo motor, 14, dust suction port, 15, second fixed frame, 16, second servo motor, 17, bidirectional screw, 18, second slide bar, 19, second movable block, 20, motor, 21, scraper, 22, collection box. 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 1-6 The utility model provides a technical solution: a sand cleaning device for a sand mold 3D printer for producing complex metal cabin castings, comprising an operating table 1, an upper end surface of the operating table 1 is respectively provided with a first electric push rod 2 on both sides, and the first electric push rod 2 is provided with a first telescopic arm 3 on the upper side, the upper end of the first telescopic arm 3 is respectively provided with a connecting rod on the opposite side, and the other end of the connecting rod is connected to a protective cover 4, and a metal cabin part is placed below the protective cover 4, and two groups of blowing pipes 5 are respectively provided inside the protective cover 4, and the other end of the blowing pipe 5 is connected to a hair dryer through a connecting pipe.

[0022] Furthermore, under the action of the first electric push rod 2, the protective cover 4 forms a vertical lifting structure with the operating table 1 through the first telescopic arm 3, and the blowing pipe 5 forms a blowing structure through the hair dryer and the inside of the protective cover 4, so that the sand on the metal cabin parts can be quickly blown off through the blowing pipe 5, thereby facilitating large-scale cleaning of the sand.

[0023] A first fixing frame 6 is provided on the upper inner wall of the protective cover 4, and a first servo motor 7 is provided inside the first fixing frame 6, one end of the output shaft of the first servo motor 7 is connected to a screw rod 8 through a coupling, and a first sliding rod 9 is correspondingly provided on one side of the screw rod 8, and a first movable block 10 is inserted through the screw rod 8 and the first sliding rod 9, and two groups of second electric push rods 11 are respectively provided on the lower end surface of the first movable block 10, and the second electric push rods 11 are respectively provided with second telescopic arms 12 at the bottom.

[0024] Furthermore, under the action of the first servo motor 7, the second electric push rod 11 forms a limited sliding structure through the screw 8, the first sliding rod 9, the first movable block 10 and the first fixed frame 6, so that the dust suction port 14 is driven by the first servo motor 7 to slide horizontally, so as to perform multi-directional cleaning of the metal cabin parts, and the micro servo motor 13, under the action of the second electric push rod 11, forms a vertical lifting structure with the operating table 1 through the second telescopic arm 12, so as to ensure that the dust suction port 14 is close to the surface of the metal cabin parts for sand cleaning.

[0025] The other end of the second telescopic arm 12 is provided with a concave fixing frame, and the concave fixing frame is provided with a micro servo motor 13 inside. The micro servo motor 13 is provided with an output shaft, and the output shaft is provided with a dust suction port 14 on the outer wall. The dust suction port 14 is provided with a dust suction pipe, and the other end of the dust suction pipe is connected to the exhaust fan.

[0026] Furthermore, the dust suction port 14 forms a rotating structure through the output shaft and the concave fixed frame under the action of the micro servo motor 13, and the dust suction port 14 forms a suction structure through the dust suction pipe and the inside of the protective cover 4 under the action of the exhaust fan, thereby ensuring that the dust suction port 14 can perform sand cleaning work in all directions for parts with complex shapes through the micro servo motor 13.

[0027] A second fixing frame 15 is respectively provided on both sides of the protective cover 4 on the operating table 1, and the second fixing frame 15 is provided with a second servo motor 16 inside, one end of the output shaft of the second servo motor 16 is connected to a bidirectional screw 17 through a coupling, and the bidirectional screw 17 is provided with a second slide bar 18 below, and another group of second fixing frames 15 is also provided with a second slide bar 18 inside, the bidirectional screw 17 and the second slide bar 18 are respectively inserted with second movable blocks 19 at both ends, and a fixing box is provided on the second movable block 19, a motor 20 is provided in the fixing box, and an output shaft is provided on the motor 20, the other end of the output shaft is connected to a scraper 21, and a rotating block is provided at the other end of the scraper 21, and the other end of the rotating block is inserted in another group of fixing boxes, and two groups of grooves are respectively opened on the upper end surface of the operating table 1, and a collection box 22 is placed in the groove.

[0028] Furthermore, the motor 20, under the action of the second servo motor 16, forms a bidirectional limited sliding structure through the bidirectional screw 17, the second sliding rod 18, the second movable block 19 and the second fixed frame 15, and the scraper 21, under the action of the motor 20, forms a rotating structure through the output shaft and the fixed box, so that the blown sand is quickly pushed into the collection box 22 by the bidirectional limited sliding scraper 21, thereby increasing the sand cleaning efficiency of the device.

[0029] Working principle: When using the sand cleaning device of the sand mold 3D printer for the production of complex metal cabin castings, the protective cover 4 is first driven to descend by the first electric push rod 2, so that the printed metal cabin parts are protected by the protective cover 4, and then the sand attached to the parts can be quickly blown off to the operating table through the blow pipe 5, so as to clean the sand on the parts on a large scale; when the sand on the parts is blown off, the protective cover 4 can be driven to rise by the first electric push rod 2, and the motor 20 and the second servo motor 16 are started at the same time, and the motor 20 drives the scraper 21 to rotate to a horizontal state, and the output shaft of the second servo motor 16 drives the bidirectional screw 17 to rotate through the coupling, and drives the scraper to move through the second slide bar 18 and the second movable block 19. It moves to the front and rear of the part, and then the scraper 21 rotates to a vertical state under the action of the motor 20, so that the sand is quickly pushed into the collection box for collection through the scraper 21 with a two-way limited sliding, thereby increasing the sand cleaning efficiency of the device; at the same time, the first servo motor 8 in the protective cover 4 works synchronously, so as to drive the second electric push rod 11 to slide with a limited position by the same principle, so that the dust suction port 14 is driven by the screw 9 and the second electric push rod 11 to clean the sand on the surface of the part, and the dust suction port 14 can rotate under the action of the micro servo motor 13, so as to ensure that the dust suction port 14 can perform multi-directional sand cleaning on parts of complex shapes. This is the use process of the sand mold 3D printer sand cleaning device for the production of complex metal cabin castings.

[0030] 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 sand cleaning device for a sand mold 3D printer for producing complex metal cabin castings, comprising an operating table (1), characterized in that: The upper end surface of the operating table (1) is provided with first electric push rods (2) on both sides, and the first electric push rod (2) is provided with a first telescopic arm (3) on the upper side, the upper end of the first telescopic arm (3) is provided with connecting rods on the opposite sides, and the other end of the connecting rod is connected to a protective cover (4), and a metal cabin part is placed below the protective cover (4), and the protective cover (4) is provided with two sets of blowing pipes (5) inside, and the other end of the blowing pipe (5) is connected to a hair dryer through a connecting pipe; The protective cover (4) is provided with a first fixing frame (6) on the upper inner wall, and the first fixing frame (6) is provided with a first servo motor (7) inside, one end of the output shaft of the first servo motor (7) is connected to a screw rod (8) through a coupling, and a first sliding rod (9) is correspondingly provided on one side of the screw rod (8), and a first movable block (10) is inserted through the screw rod (8) and the first sliding rod (9), and the first movable block (10) is provided with two groups of second electric push rods (11) on the lower end surface, and the second electric push rods (11) are provided with second telescopic arms (12) at the lower end, and the other end of the second telescopic arm (12) is provided with a concave fixing frame, and the concave fixing frame is provided with a micro servo motor (13) inside, and the micro servo motor (13) is provided with an output shaft, and the output shaft is provided with a dust suction port (14) on the outer wall, and the dust suction port (14) is provided with a dust suction pipe, and the other end of the dust suction pipe is connected to the exhaust fan; A second fixing frame (15) is respectively provided on both sides of the protective cover (4) on the operating table (1), and a second servo motor (16) is provided inside the second fixing frame (15), one end of the output shaft of the second servo motor (16) is connected to a bidirectional screw (17) through a coupling, and a second slide bar (18) is provided below the bidirectional screw (17), and another set of second fixing frames (15) is also provided with a second slide bar (18) inside, and second movable blocks (19) are respectively inserted at both ends of the bidirectional screw (17) and the second slide bar (18), and a fixing box is provided on the second movable block (19), a motor (20) is provided inside the fixing box, and an output shaft is provided on the motor (20), the other end of the output shaft is connected to a scraper (21), and a rotating block is provided at the other end of the scraper (21), and the other end of the rotating block is inserted in another set of fixing boxes, and two sets of grooves are respectively opened on the upper end surface of the operating table (1), and a collection box (22) is placed in the groove.

2. According to claim 1, a sand mold 3D printer sand cleaning device for producing complex metal cabin castings is characterized by: The protective cover (4) forms a vertical lifting structure with the operating table (1) through the first telescopic arm (3) under the action of the first electric push rod (2), and the blowing pipe (5) forms a blowing structure through the blower and the interior of the protective cover (4).

3. The sand cleaning device for a sand mold 3D printer for producing complex metal cabin castings according to claim 1, characterized in that: The second electric push rod (11) forms a limited sliding structure with the first fixed frame (6) through the screw rod (8), the first sliding rod (9), the first movable block (10) and the first fixed frame (6) under the action of the first servo motor (7), and the micro servo motor (13) forms a vertical lifting structure with the operating table (1) through the second telescopic arm (12) under the action of the second electric push rod (11).

4. The sand cleaning device for a sand mold 3D printer for producing complex metal cabin castings according to claim 1, characterized in that: The dust suction port (14) forms a rotating structure through the output shaft and the concave fixing frame under the action of the micro servo motor (13), and the dust suction port (14) forms a suction structure through the dust suction pipe and the inside of the protective cover (4) under the action of the exhaust fan.

5. The sand cleaning device for a sand mold 3D printer for producing complex metal cabin castings according to claim 1, characterized in that: The motor (20) forms a bidirectional limited sliding structure with the second fixed frame (15) through the bidirectional screw rod (17), the second slide rod (18), the second movable block (19) and the second fixed frame (15) under the action of the second servo motor (16), and the scraper (21) forms a rotating structure with the fixed box through the output shaft under the action of the motor (20).

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