Positioning switching device of double-nozzle aluminum alloy 3D printer

Abstract

The utility model discloses a positioning switching device of a double-nozzle aluminum alloy 3D printer, which comprises a shell, a fixing frame is arranged below the shell, a switching reset assembly is arranged between the shell and the fixing frame, two nozzle main bodies are symmetrically arranged at the bottom end of the switching reset assembly, and the two nozzle main bodies are symmetrically arranged at the bottom end of the switching reset assembly. And a driving assembly for driving the shell to move left and right is arranged on the rear side of the shell. Through the arranged switching reset assembly and the driving assembly, when the nozzles are switched, the driving assembly drives the shell to move horizontally, the two nozzles can be switched in the ordinary process, the switching efficiency of the two nozzles is high, and the printing efficiency is improved; and by arranging a translation plate, a sliding hole, a limiting rod and a limiting block, when the two spray heads are switched for use, the current spray head is located in the center all the time, and the printing quality is improved while the precision of printing connection is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum alloy 3D printer technical field, especially in kind of positioning switching device of double -jet aluminum alloy 3D printer. BACKGROUND

[0002] Double -jet aluminum alloy 3D printer is an advanced 3D printing equipment, it possesses two independent printing jet, and adopts aluminum alloy material to make.This printer has shown the significant advantage and characteristic in many aspects, for example: can use two different materials or color printing simultaneously, to greatly improve the printing efficiency.

[0003] But the two jet of existing double -jet aluminum alloy 3D printer when carrying out mixing color printing, the switching efficiency of two jets is low, and the part of mixing color connection can not accurately position the switched jet, influence printing quality. UTILITY MODEL CONTENT

[0004] In order to overcome the insufficient of prior art, one of purposes of the utility model is to provide a kind of positioning switching device of double -jet aluminum alloy 3D printer, when switching to jet, drive assembly drives shell translation, can switch two jets in usual process, the switching efficiency of two jets is high, improves printing efficiency;Two jets are always located in central position when switching use by setting translation plate, sliding hole, limit rod, limit block, ensure the accuracy of printing connection, improve printing quality.

[0005] One of purposes of the utility model is realized by the following technical scheme: a kind of positioning switching device of double -jet aluminum alloy 3D printer, comprising: shell, the lower portion of the shell is equipped with fixed frame, switching reset component is equipped between the shell and fixed frame, the bottom of the switching reset component is symmetrically equipped with two jet bodies, the left and right side walls of the shell are symmetrically fixedly connected with translation plate, sliding hole is all set on the translation plate, the inner side wall of the sliding hole is all connected with limit rod slidingly, the side wall of the limit rod is equipped with two limit blocks, two limit blocks are located above and below translation plate respectively, the rear side of the shell is equipped with drive assembly that drives shell left and right displacement;

[0006] The switching reset assembly comprises slide columns and guide plates, two of each are symmetrically arranged, the top ends of the slide columns are fixedly connected with baffles penetrating through the lower inner wall of the shell, the outer sidewalls of the slide columns are wound with springs, the springs are located below the shell, the bottom ends of the slide columns are fixedly connected with conical blocks, the opposite surfaces of the two guide plates are provided with inclined surfaces, and the two inclined surfaces are arranged on the left and right sides of the two conical blocks. The switching reset assembly and the driving assembly are arranged, the driving assembly drives the shell to translate when the nozzles are switched, the two nozzles can be switched in the usual process, the switching efficiency of the two nozzles is high, and the printing efficiency is improved; the translation plate, the sliding hole, the limiting rod and the limiting block are arranged, so that the current nozzle is always located at the central position when the two nozzles are switched, the printing connection accuracy is ensured, and the printing quality is improved.

[0007] According to the positioning switching device of the double-nozzle aluminum alloy 3D printer, the opposite surfaces of the two guide plates are fixedly connected with the left and right inner walls of the fixing frame.

[0008] According to the positioning switching device of the double-nozzle aluminum alloy 3D printer, the top ends of the two nozzle bodies are fixedly connected with the bottom ends of the two slide columns.

[0009] The positioning switching device of the double-nozzle aluminum alloy 3D printer is provided, and the driving assembly comprises a rack and a servo motor, the front wall of the rack is fixedly connected with the rear wall of the shell, the output end of the servo motor is fixedly installed with a gear, and the side wall of the gear is meshed with the side wall of the rack.

[0010] According to the positioning switching device of the double-nozzle aluminum alloy 3D printer, the bottom end of the servo motor is fixedly connected with the upper surface of the fixing frame.

[0011] According to the positioning switching device of the double-nozzle aluminum alloy 3D printer, the left and right sidewalls of the fixing frame are provided with mounting plates.

[0012] According to the positioning switching device of the double-nozzle aluminum alloy 3D printer, when the translation plate moves to the limit on the two sides, the nozzle body on one side is located at the central position of the fixing frame.

[0013] According to the positioning switching device of the double-nozzle aluminum alloy 3D printer, the inclination of the inclined surface matches that of the outer sidewall of the conical block.

[0014] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further illustrated below in combination with the drawings and embodiments;

[0016] Figure 1 It is the structure diagram of the positioning switching device of the double-nozzle aluminum alloy 3D printer of the utility model Figure 1 ;

[0017] Figure 2 It is the structure diagram of the positioning switching device of the double-nozzle aluminum alloy 3D printer of the utility model

[0018] Figure 3 It is the structure diagram of the positioning switching device of the double-nozzle aluminum alloy 3D printer of the utility model Figure 2 ;

[0019] Figure 4 It is the structure diagram of the positioning switching device of the double-nozzle aluminum alloy 3D printer of the utility model

[0020] Legend:

[0021] 1, shell, 2, switching reset component, 3, nozzle main body, 4, fixed frame, 5, limit rod, 6, translation plate, 7, mounting plate, 8, drive assembly, 201, slide column, 202, spring, 203, baffle, 204, cone block, 205, guide plate, 2051, inclined surface, 501, limit block, 601, slide hole, 801, rack, 802, servo motor, 803, gear. Specific embodiments

[0022] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Referring to Figures 1-4 , the utility model discloses a kind of positioning switching device of double-nozzle aluminum alloy 3D printer, it includes: shell 1, the lower of shell 1 is equipped with fixed frame 4, the left and right side wall of fixed frame 4 is equipped with mounting plate 7, switching reset component 2 is equipped between shell 1 and fixed frame 4, the bottom of switching reset component 2 is symmetrically equipped with two nozzle main body 3, the left and right side wall of shell 1 is symmetrically fixedly connected with translation plate 6, slide hole 601 is all set in translation plate 6, the inner side wall of slide hole 601 is all slidably connected with limit rod 5, two limit blocks 501 are equipped in the side wall of limit rod 5, two limit blocks 501 are respectively located in the upper and lower of translation plate 6, when translation plate 6 moves to the limit of both sides, one side nozzle main body 3 is located in the central position of fixed frame 4, the rear of shell 1 is equipped with drive assembly 8 for driving shell 1 left and right displacement;

[0024] The switching reset assembly 2 comprises two slide columns 201 and two guide plates 205, the two slide columns 201 and the two guide plates 205 are symmetrically arranged, the top ends of the two nozzle bodies 3 are fixedly connected with the bottom ends of the two slide columns 201, the top ends of the slide columns 201 penetrate the lower inner wall of the shell 1 and are fixedly connected with baffles 203, the outer side walls of the slide columns 201 are wound with springs 202, the springs 202 are located below the shell 1, the bottom ends of the slide columns 201 are fixedly connected with conical blocks 204, the opposite surfaces of the two guide plates 205 are provided with inclined surfaces 2051, the two inclined surfaces 2051 are arranged on the left and right sides of the two conical blocks 204, the inclination of the inclined surface 2051 matches the outer side wall of the conical block 204, and the opposite surfaces of the two guide plates 205 are fixedly connected with the left and right inner walls of the fixed frame 4.

[0025] The driving assembly 8 comprises a rack 801 and a servo motor 802, the front wall of the rack 801 is fixedly connected with the rear wall of the shell 1, the output end of the servo motor 802 is fixedly installed with a gear 803, the side wall of the gear 803 is meshed with the side wall of the rack 801, and the bottom end of the servo motor 802 is fixedly connected with the upper surface of the fixed frame 4. When the nozzle is switched, the servo motor 802 drives the gear 803 to rotate, the rack 801 is driven to move by the limiting rod 5 and the limiting of the translation plate 6 and the shell 1, and the shell 1 is translated, and when the nozzle is moved, the current nozzle is guided by the guide plate 205 to slide upward along the inclined surface 2051, that is, the current nozzle is driven to move away from the printing point and move upward at the same time, so as to avoid affecting the printing of the replaced nozzle, and the replaced nozzle is moved, the conical block 204 is away from the adjacent guide plate 205, the spring 202 is reset to push the nozzle downward, until the replaced nozzle is moved to the printing point and the printing is connected, the switching efficiency of the two nozzles is high, and the printing efficiency is improved; by arranging the translation plate 6, the sliding hole 601, the limiting rod 5 and the limiting block 501, when the nozzle on one side is in the central position, the inner walls of the two sliding holes 601 adjacent to the adjacent limiting rods 5 are in contact with the outer side walls of the limiting rods 5, the limiting rods 5 limit the movement range of the translation plate 6, so that the current nozzle is always located in the central position when the two nozzles are switched, the accuracy of the printing connection is ensured, and the printing quality is improved.

[0026] Working principle: when using, the device is installed on the 3D printer by the mounting plate 7, when the nozzle is switched, the servo motor 802 drives the gear 803 to rotate, the limit rod 5 drives the rack 801 to move with the translation plate 6 and the shell 1, and then drives the shell 1 to translate, when moving, the current nozzle is guided by the inclined surface 2051 of the guide plate 205 to slide upward with the conical block 204, that is, the current nozzle is driven to move away from the printing point while moving upward, so as to avoid affecting the printing of the replaced nozzle, at the same time, the nozzle to be replaced moves with the conical block 204, the spring 202 of the adjacent guide plate 205 pushes the nozzle downward until the nozzle to be replaced moves to the printing point and connects the printing, and the current nozzle for switching is always located in the central position, so as to ensure the accuracy of the printing connection.

[0027] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A positioning switching device for a dual-nozzle aluminum alloy 3D printer, comprising: The housing (1) is characterized in that a fixing frame (4) is provided below the housing (1), a switching and resetting assembly (2) is provided between the housing (1) and the fixing frame (4), two nozzle bodies (3) are symmetrically provided at the bottom end of the switching and resetting assembly (2), a translation plate (6) is symmetrically fixed to the left and right side walls of the housing (1), a sliding hole (601) is provided on the translation plate (6), a limit rod (5) is slidably connected to the inner side wall of the sliding hole (601), two limit blocks (501) are provided on the side wall of the limit rod (5), the two limit blocks (501) are respectively located above and below the translation plate (6), and a driving assembly (8) for driving the housing (1) to move left and right is provided on the rear side of the housing (1). The switching and reset assembly (2) includes a sliding column (201) and a guide plate (205). There are two sliding columns (201) and two guide plates (205), which are arranged symmetrically on the left and right. The top of each sliding column (201) is fixed to a baffle (203) through the lower inner wall of the housing (1). The outer wall of each sliding column (201) is wound with a spring (202). The springs (202) are located below the housing (1). The bottom of each sliding column (201) is fixed to a cone block (204). The opposite surfaces of the two guide plates (205) are provided with inclined surfaces (2051). The two inclined surfaces (2051) are arranged on the left and right sides of the two cone blocks (204).

2. The positioning switching device for a dual-nozzle aluminum alloy 3D printer according to claim 1, characterized in that, The opposite sides of the two guide plates (205) are respectively fixedly connected to the left and right inner walls of the fixing frame (4).

3. The positioning switching device for a dual-nozzle aluminum alloy 3D printer according to claim 1, characterized in that, The top ends of the two nozzle bodies (3) are fixedly connected to the bottom ends of the two sliding columns (201).

4. The positioning switching device for a dual-nozzle aluminum alloy 3D printer according to claim 1, characterized in that, The drive assembly (8) includes a rack (801) and a servo motor (802). The front wall of the rack (801) is fixedly connected to the rear wall of the housing (1). A gear (803) is fixedly installed at the output end of the servo motor (802). The side wall of the gear (803) meshes with the side wall of the rack (801).

5. The positioning switching device for a dual-nozzle aluminum alloy 3D printer according to claim 4, characterized in that, The bottom end of the servo motor (802) is fixedly connected to the upper surface of the mounting bracket (4).

6. The positioning switching device for a dual-nozzle aluminum alloy 3D printer according to claim 5, characterized in that, The fixing frame (4) is provided with mounting plates (7) on both the left and right side walls.

7. The positioning switching device for a dual-nozzle aluminum alloy 3D printer according to claim 1, characterized in that, When the translation plate (6) moves to the limit on both sides, the nozzle body (3) on one side is located in the center of the fixing frame (4).

8. The positioning switching device for a dual-nozzle aluminum alloy 3D printer according to claim 1, characterized in that, The inclined surface (2051) matches the inclination of the outer wall of the cone block (204).

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