Spray head assembly and 3D printer

Abstract

The utility model provides a spray head assembly and a 3D printer, and relates to the technical field of spray head assemblies and 3D printers, the spray head assembly comprises a base, a support is arranged at the upper top of the base, a driving machine is connected to the surface of the support in a sliding mode, a spray head is arranged on the side face of the driving machine, a control box is arranged on the side face of the base, and a heating plate is arranged on the surface of the spray head. A cleaning device is arranged on the surface of the spray head, an adjusting device is arranged on the surface of the spray head and comprises a nozzle arranged on the surface of the spray head in a sleeving mode, a clamping ring is fixedly connected to the inner wall of the nozzle and tightly attached to the surface of the spray head, and a rectangular block is fixedly connected to the inner wall of the nozzle. A sliding groove is formed in the surface of the spray head in a clamped mode, one end of the spray nozzle is fixedly connected with a gasket, the side face of the spray nozzle is in threaded connection with a bolt, the bolt is inserted into the spray head, and the problem that the diameter of the spray nozzle cannot be rapidly replaced when articles are printed is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a nozzle assembly and 3D printer technical field especially relates to a nozzle assembly and 3D printer. BACKGROUND

[0002] 3D printer nozzle assembly is a kind of nozzle to print 3D article, through nozzle by slot when printing 3D article melts and prints plastic filament.

[0003] The inventor found that the size of the nozzle of the general printer nozzle is fixed, and it cannot be replaced, which leads to the inability to quickly replace nozzles of different diameters, and thus the inability to replace the nozzle to control the thickness of the plastic filament when printing objects, thereby causing an impact. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a nozzle assembly and 3D printer to solve the shortcomings in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a nozzle assembly, comprising a base, the upper top of base is provided with support, the surface of support is slidably connected with drive machine, the side surface of drive machine is provided with nozzle, the side surface of base is provided with control box, the surface of nozzle is provided with heating plate, the surface of nozzle is provided with cleaning device, the surface of nozzle is provided with adjusting device, the adjusting device includes the nozzle of the nozzle surface, the inner wall of nozzle is fixedly connected with snap ring, the snap ring is closely attached to the surface of nozzle.

[0006] The effect of the above-mentioned components is that under the action of the snap ring, the nozzles at one end of the nozzle can be sleeved together, and the nozzle aperture can be adjusted, thereby achieving the adjusting effect. When the nozzle is needed, the nozzle is installed on the side surface of the drive machine, and the nozzle is slid on the surface of the support. The motor inside the support is programmed through the control box, so that the motor can move accurately through programming, and the object is printed.

[0007] Preferably, the inner wall of the nozzle is fixedly connected with a rectangular block, and the surface of the nozzle is provided with a sliding groove.

[0008] The effect of the above-mentioned components is that under the action of the rectangular block and the sliding groove, the nozzle will not rotate when installed.

[0009] Preferably, one end of the nozzle is fixedly connected with a gasket, the side surface of the nozzle is threadedly connected with a bolt, and the bolt is inserted into the inside of the nozzle.

[0010] The effect achieved by the above components is that the nozzle is prevented from contacting the heating plate under the action of the gasket, thereby avoiding overload, the nozzle can be firmly fixed on the surface of the nozzle under the action of the bolt, the nozzle can be sleeved together at one end of the nozzle under the action of the clasp, thereby the nozzle aperture can be adjusted, the nozzle is prevented from rotating during installation under the action of the rectangular block and the sliding groove, the nozzle is prevented from contacting the heating plate under the action of the gasket, thereby avoiding overload, the bolt is screwed into the inside of the nozzle by using a screwdriver when the nozzle is completely sleeved on the nozzle, thereby the nozzle is fixed on the surface of the nozzle, and the adjusting effect is achieved.

[0011] Preferably, the cleaning device comprises a cleaning rod arranged on the side surface of the nozzle, and a rubber sheet is fixedly connected to the surface of the cleaning rod.

[0012] The effect achieved by the above components is that the blockage in the nozzle can be poked out under the action of the cleaning rod, and the blockage in the nozzle can be cleaned out more conveniently under the action of the rubber sheet.

[0013] Preferably, a clamping plate is fixedly connected to the side surface of the nozzle, and a rubber block is fixedly connected to the inner wall of the clamping plate.

[0014] The effect achieved by the above components is that the cleaning rod can be clamped in the inside of the clamping plate under the action of the clamping plate and the rubber block.

[0015] Preferably, a round strip is fixedly connected to the inner wall of the clamping plate, and the round strip is a rubber strip.

[0016] The effect achieved by the above components is that the cleaning rod cannot slide in the inside of the clamping plate under the action of the round strip, thereby the limiting effect is achieved.

[0017] Preferably, a baffle is fixedly connected to the surface of the cleaning rod, and the baffle is clamped on the top of the clamping plate.

[0018] The effect achieved by the above components is that the cleaning rod cannot slide off the surface of the clamping plate under the action of the baffle, the cleaning rod is taken out of the inside of the clamping plate when the blockage in the nozzle needs to be cleaned, the cleaning rod is inserted into the inside of the nozzle, the blockage in the nozzle is turned out under the action of the rubber sheet by rotating the cleaning rod with hands, the cleaning rod is clamped into the inside of the clamping plate after cleaning, the cleaning rod cannot slide in the inside of the clamping plate under the action of the round strip, thereby the limiting effect is achieved, the cleaning rod cannot slide off the surface of the clamping plate under the action of the baffle, thereby the cleaning effect is achieved.

[0019] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0020] In this invention, by setting an adjustment device, when it is necessary to adjust the nozzle orifice diameter, the nozzle is fitted onto one end of the nozzle. Under the action of the retaining ring, the nozzles at one end of the nozzle can be fitted together, thereby adjusting the nozzle orifice diameter. Under the action of the rectangular block and the sliding groove, the nozzle will not rotate during installation. Under the action of the washer, the nozzle will not contact the heating plate, avoiding overload. When the nozzle is fully fitted onto the nozzle, the bolt is screwed into the inside of the nozzle with a screwdriver, thereby fixing the nozzle to the surface of the nozzle, thus achieving the adjustment function and solving the problem of not being able to quickly change the nozzle diameter when printing. Attached Figure Description

[0021] Fig. 1 This utility model provides a three-dimensional structural diagram of a nozzle assembly and a 3D printer.

[0022] Fig. 2 A schematic diagram of a nozzle assembly and an adjustment device for a 3D printer is provided for this utility model.

[0023] Fig. 3 This utility model provides a schematic diagram of a nozzle assembly and a cleaning device for a 3D printer.

[0024] Legend: 1. Nozzle; 2. Adjustment device; 21. Nozzle; 22. Snap ring; 23. Slide groove; 24. Rectangular block; 25. Washer; 26. Bolt; 3. Cleaning device; 31. Cleaning rod; 32. Rubber sheet; 33. Baffle; 34. Clamping plate; 35. Rubber block; 36. Round bar; 4. Base; 5. Bracket; 6. Control box; 7. Heating plate. Detailed Implementation

[0025] Example 1, such as Figs. 1-3 As shown, a nozzle 1 assembly and a 3D printer include a base 4, a bracket 5 mounted on the top of the base 4, a drive motor slidably connected to the surface of the bracket 5, a nozzle 1 mounted on the side of the drive motor, a control box 6 mounted on the side of the base 4, a heating plate 7 mounted on the surface of the nozzle 1, a cleaning device 3 mounted on the surface of the nozzle 1, and an adjustment device 2 mounted on the surface of the nozzle 1. When the nozzle 1 is needed, it is mounted on the side of the drive motor, allowing it to slide on the surface of the bracket 5. The motor inside the bracket 5 is programmed through the control box 6, enabling the motor to move accurately and print objects.

[0026] Reference Fig. 2, the adjusting device 2 includes the nozzle 21 sleeved on the surface of the spray head 1, the inner wall of the nozzle 21 is fixedly connected with the snap ring 22, the snap ring 22 is closely attached to the surface of the spray head 1, under the action of the snap ring 22, the nozzle 21 at one end of the spray head 1 can be sleeved together, thereby the aperture of the nozzle 21 can be adjusted, and the adjusting effect is achieved; when the spray head 1 needs to be used, the spray head 1 is installed on the side of the driving machine, and then the spray head 1 is slid on the surface of the support 5; the motor in the support 5 is programmed through the control box 6, so that the motor can be accurately moved through programming, and then the printing object is printed; the inner wall of the nozzle 21 is fixedly connected with the rectangular block 24, the surface of the spray head 1 is clamped with the sliding groove 23, under the action of the rectangular block 24 and the sliding groove 23, the nozzle 21 will not rotate during installation; one end of the nozzle 21 is fixedly connected with the gasket 25, the side surface of the nozzle 21 is threadedly connected with the bolt 26, the bolt 26 is inserted into the inside of the spray head 1, under the action of the gasket 25, the nozzle 21 will not contact the heating plate 7, and the overload phenomenon is avoided; under the action of the bolt 26, the nozzle 21 can be firmly fixed on the surface of the spray head 1; when the aperture of the spray head 1 needs to be adjusted, the nozzle 21 is sleeved on one end of the spray head 1, under the action of the snap ring 22, the nozzle 21 at one end of the spray head 1 can be sleeved together, thereby the aperture of the nozzle 21 can be adjusted; under the action of the rectangular block 24 and the sliding groove 23, the nozzle 21 will not rotate during installation; under the action of the gasket 25, the nozzle 21 will not contact the heating plate 7, and the overload phenomenon is avoided; when the nozzle 21 is completely sleeved on the spray head 1, the bolt 26 is screwed into the inside of the spray head 1 through the screwdriver, and then the nozzle 21 is fixed on the surface of the spray head 1, and the adjusting effect is achieved.

[0027] Referring to Fig. 3The cleaning device 3 comprises a cleaning rod 31 arranged on the side of the spray head 1, the surface of the cleaning rod 31 is fixedly connected with a rubber sheet 32, under the action of the cleaning rod 31, the blockage in the spray head 1 can be poked out, under the action of the rubber sheet 32, the cleaning rod 31 can more conveniently clean out the things blocked in the spray head 1, the side of the spray head 1 is fixedly connected with a clamping plate 34, the inner wall of the clamping plate 34 is fixedly connected with a rubber block 35, under the action of the clamping plate 34 and the rubber block 35, the cleaning rod 31 can be clamped in the inside of the clamping plate 34, the inner wall of the clamping plate 34 is fixedly connected with a round strip 36, the round strip 36 is a rubber strip, under the action of the round strip 36, the cleaning rod 31 cannot slide in the inside of the clamping plate 34, thereby the limiting effect is achieved, the surface of the cleaning rod 31 is fixedly connected with a baffle 33, the baffle 33 is clamped on the top of the clamping plate 34, under the action of the baffle 33, the cleaning rod 31 cannot slide off the surface of the clamping plate 34, when the blockage in the spray head 1 needs to be cleaned, the cleaning rod 31 is taken out from the inside of the clamping plate 34, the cleaning rod 31 is inserted into the inside of the spray head 1, the cleaning rod 31 is rotated by hand, under the action of the rubber sheet 32, the blockage in the spray head 1 is rotated out, after the cleaning is completed, the cleaning rod 31 is clamped into the inside of the clamping plate 34, under the action of the round strip 36, the cleaning rod 31 cannot slide in the inside of the clamping plate 34, thereby the limiting effect is achieved, under the action of the baffle 33, the cleaning rod 31 cannot slide off the surface of the clamping plate 34, thereby the cleaning effect is achieved.

[0028] The working principle is that when the nozzle 1 assembly and the 3D printer need to be used, when the nozzle 1 needs to be used, the nozzle 1 is installed on the side of the driving machine, and then the nozzle 1 slides on the surface of the support 5, the motor inside the support 5 is programmed through the control box 6, and then the motor can be accurately moved through programming, and then the printing object is printed, when the aperture of the nozzle 1 needs to be adjusted, the nozzle 21 is sleeved on one end of the nozzle 1, under the action of the snap ring 22, the nozzle 21 on one end of the nozzle 1 can be sleeved together, and then the aperture adjusting effect of the nozzle 21 can be achieved, under the action of the rectangular block 24 and the sliding groove 23, the nozzle 21 will not rotate during installation, under the action of the gasket 25, the nozzle 21 will not contact the heating plate 7, and the overload phenomenon is avoided, when the nozzle 21 is completely sleeved on the nozzle 1, the bolt 26 is screwed into the inside of the nozzle 1 through the screwdriver, and then the nozzle 21 is fixed on the surface of the nozzle 1, and then the adjusting effect is achieved, when the blockage inside the nozzle 1 needs to be cleaned, the cleaning rod 31 is taken out from the inside of the clamping plate 34, the cleaning rod 31 is inserted into the inside of the nozzle 1, the cleaning rod 31 is rotated by hand, the blockage inside the nozzle 1 is turned out under the action of the rubber sheet 32, when the cleaning is completed, the cleaning rod 31 is clamped into the inside of the clamping plate 34, under the action of the round bar 36, the cleaning rod 31 will not slide in the inside of the clamping plate 34, and then the limiting effect is achieved, under the action of the baffle 33, the cleaning rod 31 will not slide off from the surface of the clamping plate 34, and then the cleaning effect is achieved.

Claims

1. A nozzle assembly, comprising a base (4), a bracket (5) disposed on the upper top of the base (4), a drive motor slidably connected to the surface of the bracket (5), a nozzle (1) disposed on the side of the drive motor, and a control box (6) disposed on the side of the base (4), characterized in that: The nozzle (1) is provided with a heating plate (7), a cleaning device (3) is provided on the surface of the nozzle (1), and an adjustment device (2) is provided on the surface of the nozzle (1). The adjustment device (2) includes a nozzle (21) sleeved on the surface of the nozzle (1). A retaining ring (22) is fixedly connected to the inner wall of the nozzle (21), and the retaining ring (22) is tightly attached to the surface of the nozzle (1).

2. The nozzle assembly according to claim 1, characterized in that: A rectangular block (24) is fixedly connected to the inner wall of the nozzle (21), and a groove (23) is provided on the surface of the nozzle (1).

3. The nozzle assembly according to claim 2, characterized in that: One end of the nozzle (21) is fixedly connected to a washer (25), and the side of the nozzle (21) is threadedly connected to a bolt (26), which is inserted into the interior of the nozzle (1).

4. The nozzle assembly according to claim 3, characterized in that: The cleaning device (3) includes a cleaning rod (31) disposed on the side of the nozzle (1), and a rubber sheet (32) is fixedly connected to the surface of the cleaning rod (31).

5. The nozzle assembly according to claim 4, characterized in that: A clamping plate (34) is fixedly connected to the side of the nozzle (1), and a rubber block (35) is fixedly connected to the inner wall of the clamping plate (34).

6. The nozzle assembly according to claim 5, characterized in that: The inner wall of the card plate (34) is fixedly connected with a round strip (36), which is a rubber strip.

7. The nozzle assembly according to claim 6, characterized in that: A baffle (33) is fixedly connected to the surface of the cleaning rod (31), and the baffle (33) is locked on the top of the card plate (34).

8. A 3D printer, characterized by: Used in the nozzle assembly according to any one of claims 1-7.

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