3D printer nozzle and printer

Abstract

The utility model belongs to the technical field of 3D printers, and particularly relates to a 3D printer spray head and a printer.The 3D printer spray head comprises a hollow pipe, a cover plate is fixedly installed at the top of the hollow pipe, the bottom end of the hollow pipe is in threaded connection with a first annular plate, and a nozzle is fixedly installed at the bottom of the first annular plate; and the top of the first annular plate is detachably connected with a filter plate, so that impurities in the pigment can be filtered. And a second annular plate is fixedly mounted at the bottom of the filter plate and is in threaded connection with the top end of the first annular plate. A feeding pipe is fixedly mounted on the side wall of the top end of the hollow pipe, so that pigment can flow into the hollow pipe, and through the arrangement of the filter plate, the pigment about to flow into the nozzle can be filtered, so that impurities are prevented from flowing into the nozzle to cause blockage, and the influence on the use of the printing spray head can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printers, in particular to a 3D printer nozzle and a printer. Background Art

[0002] 3D printer, a machine of rapid prototyping technology, is a technology that uses digital model files as the basis, uses plastic and other adhesive materials to construct objects by printing layer by layer. In the past, it was often used to make models in the fields of mold manufacturing, industrial design, etc., and is now gradually being used for the direct manufacturing of some products.

[0003] When a 3D printer is currently in operation, the print head on it is connected to a pigment feed pipe so that the pigment can flow out through the print head. However, when the existing pigment passes through the print head, the nozzle in the print head may be clogged, which in turn affects the use of the 3D printer. Therefore, a 3D printer nozzle and a printer are invented. Utility Model Content

[0004] In view of the above and / or existing problems in the existing 3D printer nozzle and printer, the present utility model is proposed.

[0005] Therefore, the purpose of the present invention is to provide a 3D printer nozzle and a printer, which can solve the above-mentioned existing problems.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A 3D printer nozzle comprises a hollow tube, a cover plate is fixedly installed on the top of the hollow tube, a first annular plate is threadedly connected to the bottom end of the hollow tube, a nozzle is fixedly installed on the bottom of the first annular plate, and a filter plate is detachably connected to the top of the first annular plate to filter impurities in the pigment.

[0008] As a preferred solution of the 3D printer nozzle of the utility model, wherein: a second annular plate is fixedly installed on the bottom of the filter plate, and the second annular plate is threadedly connected to the top end of the first annular plate.

[0009] As a preferred solution of the 3D printer nozzle of the utility model, a feed pipe is fixedly installed on the top side wall of the hollow tube to enable the pigment to flow into the hollow tube.

[0010] As a preferred solution of the 3D printer nozzle of the utility model, an electric heating sheet is fixedly installed on the inner surface of the hollow tube to heat the pigment.

[0011] As a preferred solution of the 3D printer nozzle of the utility model, it also includes:

[0012] A conveying component can evenly convey the pigment, and the cover plate is provided with the conveying component.

[0013] As a preferred solution of the 3D printer nozzle of the utility model, the conveying component includes:

[0014] A rotating shaft, the rotating shaft being rotatably connected to the cover plate via a bearing;

[0015] An auger, the auger is fixedly mounted on the bottom of the rotating shaft;

[0016] A box body, wherein the box body is fixedly mounted on the top of the cover plate;

[0017] A servo motor is fixedly installed in the box, and an output shaft of the servo motor is fixedly connected to the rotating shaft.

[0018] As a preferred solution of the 3D printer nozzle of the utility model, it also includes:

[0019] An anti-clogging component can prevent the filter plate from being blocked, and the anti-clogging component is arranged on the auger.

[0020] As a preferred solution of the 3D printer nozzle of the utility model, the anti-clogging component includes:

[0021] A square hollow tube, wherein the square hollow tube is fixedly mounted on the bottom of the auger;

[0022] A square rod, wherein the square rod is slidably connected in the square hollow tube;

[0023] A scraper, wherein the scraper is fixedly mounted on the bottom of the square rod and contacts the filter plate;

[0024] The spring is arranged in a square hollow tube, and two ends of the spring are respectively fixedly connected to the auger and the scraper.

[0025] The printer comprises a printer body, a moving mechanism and the above-mentioned 3D printer nozzle, wherein the printer body is provided with the moving mechanism, and the moving mechanism is provided with the 3D printer nozzle.

[0026] Compared with existing technologies:

[0027] 1. By setting up a filter plate, the pigment that is about to flow into the nozzle can be filtered to prevent impurities from flowing into the nozzle and causing blockage, thereby avoiding affecting the use of the print head.

[0028] 2. By setting up an anti-clogging component, it is possible to push the impurities on the filter plate to move, thereby preventing the filter plate from being blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0030] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0031] Figure 3 For this utility model Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0032] Figure 4 This is a schematic diagram of the square rod and scraper structure of the utility model;

[0033] Figure 5 This is a schematic diagram of the structure of the filter plate and the second annular plate of the utility model;

[0034] Figure 6 It is a top view schematic diagram of the hollow tube and the electric heating plate of the utility model;

[0035] Figure 7 It is a top view schematic diagram of the printer of the utility model.

[0036] In the figure: hollow tube 10, cover plate 11, feed tube 12, nozzle 20, first annular plate 21, electric heating plate 30, rotating shaft 40, auger 41, box body 42, servo motor 43, filter plate 50, second annular plate 51, square hollow tube 60, square rod 61, spring 62, scraper 63, printer body 70, moving mechanism 71. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0038] This utility model provides a 3D printer nozzle, please refer to Figure 1-Figure 7, including a hollow tube 10, a cover plate 11 is fixedly installed on the top of the hollow tube 10, a first annular plate 21 is threadedly connected to the bottom end of the hollow tube 10, and a nozzle 20 is fixedly installed on the bottom of the first annular plate 21, a filter plate 50 is detachably connected to the top of the first annular plate 21 to filter impurities in the pigment, a second annular plate 51 is fixedly installed on the bottom of the filter plate 50, and the second annular plate 51 is threadedly connected to the top of the first annular plate 21, a feed pipe 12 is fixedly installed on the top side wall of the hollow tube 10 to allow the pigment to flow into the hollow tube 10, and an electric heating plate 30 is fixedly installed on the inner surface of the hollow tube 10 to heat the pigment.

[0039] It also includes: a conveying component capable of uniformly conveying the pigment, and the cover plate 11 is provided with the conveying component;

[0040] The conveying assembly includes: a rotating shaft 40, an auger 41, a box 42, and a servo motor 43;

[0041] The rotating shaft 40 is rotatably connected to the cover plate 11 through a bearing, the auger 41 is fixedly installed on the bottom of the rotating shaft 40, the box body 42 is fixedly installed on the top of the cover plate 11, the servo motor 43 is fixedly installed in the box body 42, and the output shaft of the servo motor 43 is fixedly connected to the rotating shaft 40.

[0042] It also includes: an anti-clogging component capable of preventing the filter plate 50 from being blocked, and the anti-clogging component is arranged on the auger 41;

[0043] The anti-blocking assembly includes: a square hollow tube 60, a square rod 61, a spring 62, and a scraper 63;

[0044] The square hollow tube 60 is fixedly mounted on the bottom of the auger 41, the square rod 61 is slidably connected in the square hollow tube 60, the scraper 63 is fixedly mounted on the bottom of the square rod 61, and the scraper 63 is in contact with the filter plate 50, the spring 62 is arranged in the square hollow tube 60, and the two ends of the spring 62 are respectively fixedly connected to the auger 41 and the scraper 63, wherein a sealing strip is provided between the square hollow tube 60 and the square rod 61.

[0045] The printer comprises a printer body 70, a moving mechanism 71 and the above-mentioned 3D printer nozzle. The printer body 70 is provided with the moving mechanism 71, and the moving mechanism 71 is provided with the 3D printer nozzle.

[0046] When using it, the specific steps are as follows:

[0047] Step 1: placing the pigment into the hollow tube 10 through the feed tube 12;

[0048] Step 2: The rotating shaft 40 is rotated by the servo motor 43. When the rotating shaft 40 rotates, the auger 41 is driven to rotate. When the auger 41 rotates, the pigment is evenly fed to move toward the filter plate 50.

[0049] Step 3: While the pigment is being loaded, the pigment can be heated by the electric heating sheet 30 to prevent the pigment from solidifying;

[0050] Step 4: When the pigment passes through the filter plate 50, impurities in the pigment can be filtered to prevent the nozzle 20 from being blocked. After that, the filtered pigment will flow out through the nozzle 20;

[0051] Step 5: When the auger 41 rotates, the square hollow tube 60 is driven to rotate. When the square hollow tube 60 rotates, the square rod 61 is driven to rotate. When the square rod 61 rotates, the scraper 63 is driven to rotate. When the scraper 63 rotates, the impurities on the filter plate 50 are pushed to move, so as to avoid clogging of the filter plate 50.

[0052] When it is necessary to clean the impurities on the filter plate 50, the first annular plate 21 is first rotated through the nozzle 20 until the filter plate 50 and the hollow tube 10 are separated. At this time, the impurities on the filter plate 50 can be cleaned. If it is necessary to replace the filter plate 50, the filter plate 50 can be rotated until the filter plate 50 is removed. At this time, the filter plate 50 can be replaced.

[0053] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A 3D printer nozzle, comprising a hollow tube (10), a cover plate (11) fixedly mounted on the top of the hollow tube (10), a first annular plate (21) threadedly connected to the bottom end of the hollow tube (10), and a nozzle (20) fixedly mounted on the bottom of the first annular plate (21), characterized in that: A filter plate (50) is detachably connected to the top of the first annular plate (21) so as to filter impurities in the pigment.

2. The 3D printer nozzle according to claim 1, characterized in that: A second annular plate (51) is fixedly mounted on the bottom of the filter plate (50), and the second annular plate (51) is threadedly connected to the top end of the first annular plate (21).

3. The 3D printer nozzle according to claim 1, characterized in that: A feeding pipe (12) is fixedly mounted on the top side wall of the hollow tube (10) so as to allow pigment to flow into the hollow tube (10).

4. The 3D printer nozzle according to claim 1, characterized in that: An electric heating plate (30) is fixedly mounted on the inner surface of the hollow tube (10) so as to heat the pigment.

5. The 3D printer nozzle according to claim 1, characterized in that: Also includes: A conveying component is capable of uniformly conveying pigment, and the cover plate (11) is provided with the conveying component.

6. The 3D printer nozzle according to claim 5, characterized in that: The conveying assembly comprises: A rotating shaft (40), the rotating shaft (40) being rotatably connected to the cover plate (11) via a bearing; An auger (41), wherein the auger (41) is fixedly mounted on the bottom of the rotating shaft (40); A box body (42), wherein the box body (42) is fixedly mounted on the top of the cover plate (11); A servo motor (43), wherein the servo motor (43) is fixedly mounted in the box body (42), and an output shaft of the servo motor (43) is fixedly connected to the rotating shaft (40).

7. The 3D printer nozzle according to claim 6, characterized in that: Also includes: An anti-clogging component is capable of preventing the filter plate (50) from being blocked, and the anti-clogging component is arranged on the auger (41).

8. The 3D printer nozzle according to claim 7, characterized in that: The anti-blocking component comprises: A square hollow tube (60), wherein the square hollow tube (60) is fixedly mounted on the bottom of the auger (41); A square rod (61), wherein the square rod (61) is slidably connected in the square hollow tube (60); a scraper (63), wherein the scraper (63) is fixedly mounted on the bottom of the square rod (61), and the scraper (63) is in contact with the filter plate (50); A spring (62) is arranged in the square hollow tube (60), and two ends of the spring (62) are respectively fixedly connected to the auger (41) and the scraper (63).

9. A printer, comprising a printer body (70), a moving mechanism (71) and a 3D printer nozzle according to any one of claims 1 to 8, characterized in that: The printer body (70) is provided with a moving mechanism (71), and the moving mechanism (71) is provided with a 3D printer nozzle.

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