Printing nozzle convenient to replace for 3D printer

Abstract

The utility model belongs to the technical field of printing nozzles convenient to replace for 3D printers, and particularly relates to a printing nozzle convenient to replace for 3D printers, which comprises a mounting plate, a mounting groove is formed in the mounting plate, a shell is mounted in the mounting groove in an inserted manner, and two connecting blocks are fixedly mounted on two sides of the shell and located at the bottom of the mounting plate. A through groove is formed in the connecting block, and a printing nozzle body is fixedly installed in the shell. The two grooves are formed in the bottom of the mounting plate and located on the two sides of the mounting groove correspondingly, bidirectional threaded rods are rotationally mounted in the grooves, L-shaped plates are slidably mounted in the grooves and located on the bidirectional threaded rods, and one ends of the L-shaped plates extend into the corresponding through grooves; the two power cavities are both formed in the mounting plate and located on one sides of the two grooves respectively, a motor does not need to be used when the shell is fixed through the whole device, the manufacturing cost of the device is greatly reduced, and the fixing and disassembling modes are convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the printing nozzle convenient to replace for 3D printer, and particularly relates to a printing nozzle convenient to replace for 3D printer. BACKGROUND

[0002] 3D printer is a kind of equipment that can quickly three-dimensional entity to digital model file, and it is very different from traditional printer two-dimensional printing.

[0003] For example, the Chinese patent with the announcement number CN213593642U discloses a printing nozzle convenient to replace for 3D printer, including mounting plate, the top surface both sides of mounting plate are installed with first motor and second motor respectively, first motor is connected with first gear through output shaft and key, second motor is connected with second gear through output shaft and key, first gear and second gear are arranged in the inside of mounting plate, first rack and second rack are slidably connected in the inside of mounting plate, first rack is connected with the side wall of first gear and is engaged, the utility model aims at providing a printing nozzle convenient to replace for 3D printer, by controlling first motor and second motor forward and reverse rotation, make first rack and second rack move in the inside of mounting plate, and then make first limit block and second limit block engage and disengage, to facilitate the installation and disassembly of printing nozzle.

[0004] The above patent has the following problems:

[0005] The patent has some shortcomings when in use, the device uses first motor and second motor to drive during fixing and dismounting, which greatly increases the manufacturing cost of the device, causes the price of the device to be expensive when selling, and this will affect the sales volume of the device. In view of this, a printing nozzle convenient to replace for 3D printer is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a printing nozzle convenient to replace for 3D printer to solve the problems in the above background.

[0007] Therefore, the utility model provides a printing nozzle convenient to replace for 3D printer, which comprises:

[0008] Mounting plate, the inside of mounting plate is provided with mounting groove, the outside casing is inserted and installed in the mounting groove, two connecting blocks are fixedly installed on the both sides of the outside casing and at the bottom of mounting plate, the through slot is formed in the connecting block, and the printing nozzle body is fixedly installed in the outside casing.

[0009] Two grooves, two said groove is opened in the bottom of the mounting plate and is located in the two sides of the installation groove, the groove is rotatably mounted with a two-way threaded rod, the groove is slidably mounted with an L-shaped plate on the two-way threaded rod, one end of the L-shaped plate extends into the corresponding through slot;

[0010] Two power cavities, two said power cavities are opened in the mounting plate and are located on one side of the two grooves, the power cavity is rotatably mounted with a bevel gear one, the power cavity is rotatably mounted with a bevel gear two on one side of the bevel gear one, one end of one of the bevel gear two extends through one side of one of the power cavities and extends into the other power cavity, and one end of one of the bevel gear two is coaxially connected with the other bevel gear two, the other end of one of the bevel gear two extends to the outside through the other side of the power cavity and is fixedly installed with an operating disc;

[0011] A fixing assembly is located on the operating disc and is used for fixing the operating disc.

[0012] In the technical solution, when installing, the worker inserts the shell into the installation slot from top to bottom, so that the top of the two connecting blocks is in contact with the bottom of the mounting plate. At this time, the worker rotates the operating disc, which drives one of the bevel gear two to rotate, which drives the other bevel gear two to rotate. Under the meshing action, the two bevel gear two drives the two bevel gear one to rotate, which drives the two two-way threaded rods to rotate. Under the action of the thread, the two L-shaped plates on the two-way threaded rod approach each other, so that one end of the L-shaped plate is inserted into the corresponding through slot. When the opposite ends of the two L-shaped plates on the two-way threaded rod are in contact in the through slot, the operating disc cannot be rotated any more. The fixing assembly fixes the position of the operating disc, and the positions of the two connecting blocks are fixed, so that the position of the shell is fixed, and the position of the print head body is also fixed. The shell can be disassembled by reversing the above operation.

[0013] In the above technical solution, further, the fixing assembly comprises:

[0014] A threaded hole is formed in the operating disc, one side of the mounting plate is provided with a threaded slot in communication with the threaded hole, and a hand screw is screwedly installed in the threaded hole. One end of the hand screw extends into the threaded slot.

[0015] In the technical solution, after the two connecting blocks are fixed, the worker screwedly installs one end of the hand screw into the threaded hole, and then continues to rotate the hand screw until one end of the hand screw is screwedly installed into the threaded slot, so that the position of the operating disc is fixed.

[0016] Further, one end of the hand bolt is threadedly connected with the threaded groove.

[0017] In the technical solution, under the action of the thread, the one end of the hand bolt can be threadedly installed into the threaded groove.

[0018] Further, the L-shaped plate is threadedly connected with the bidirectional threaded rod, and the bidirectional threaded rod is provided with two threads with opposite rotation directions.

[0019] In the technical solution, under the action of the thread, when the bidirectional threaded rod rotates, the two L-shaped plates are driven to approach or move away from each other.

[0020] Further, one end of the L-shaped plate is insertedly matched with the through groove.

[0021] In the technical solution, one end of the L-shaped plate can be inserted into the through groove.

[0022] Further, one end of the bevel gear one is engaged with the corresponding bevel gear two.

[0023] In the technical solution, under the engagement, the rotation of the bevel gear two can drive the rotation of the bevel gear one.

[0024] Further, one end of the bevel gear two of one of the bevel gears is rotationally connected with the other power cavity.

[0025] In the technical solution, one of the bevel gears two can rotate in the other power cavity.

[0026] The utility model discloses a beneficial effect is:

[0027] The 3D printer convenient to replace printing nozzle, through the cooperation between the mounting plate, the shell, the connecting block, the printing nozzle body, the operation disc, the recess, the L-shaped plate, the bidirectional threaded rod, the through groove, the installation groove, the power cavity, the bevel gear one, the bevel gear two and the fixed assembly, when fixing the shell, do not need to use motor, greatly reduce the manufacturing cost of overall device, and the fixed dismounting mode is also more convenient. DETAILED DESCRIPTION

[0028] Figure 1 It is one of the overall structure schematic diagram of the utility model;

[0029] Figure 2 It is the second overall structure schematic diagram of the utility model;

[0030] Figure 3It is one of the structure schematic diagram of the inside of the mounting plate in the utility model;

[0031] Figure 4 It is two of the structure schematic diagram of the inside of the mounting plate in the utility model;

[0032] Figure 5 It is the explosion structure schematic diagram of the connecting block and the L-shaped plate in the utility model;

[0033] Figure 6 It is the structure schematic diagram of the mounting plate in the utility model;

[0034] Figure 7 It is the utility model Figure 3 It is the enlarged structure schematic diagram of A in the utility model;

[0035] Figure 8 It is the explosion structure schematic diagram of the operating disc and the hand screw bolt in the utility model.

[0036] The mark in the figure indicates that:

[0037] 1, mounting plate; 2, shell; 3, connecting block; 4, printing nozzle body; 5, hand screw bolt; 6, operating disc; 7, recess; 8, L-shaped plate; 9, two-way threaded rod; 10, through slot; 11, mounting groove; 12, power cavity; 13, conical gear one; 14, conical gear two; 15, threaded groove; 16, threaded hole. Specific implementation

[0038] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0039] In the description of the present application, it should be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. In order to facilitate the description, the size of each part shown in the drawings is not drawn according to the actual proportional relationship. The technology, method and equipment known to those skilled in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as only exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0040] It should be noted that the terms "first", "second", and the like in the description and claims of the application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the use of such terms as "first" and "second" are arbitrary labels and are used merely for purposes of nomenclature. Furthermore, these terms are only intended to distinguish between two units or a unit and a process in which that unit is involved. These terms are not necessarily used to describe a sequence or order of steps or a spatial or spatial orientation. Such terms as "front", "back", "left", "right", "up", "down", "top", "bottom", "over", "under", "upper", "lower", "horizontal", "vertical", "above", "below", "inside", "outside", and the like as can be used in the description and in the claims are used for the convenience of the reader and are not intended to necessarily limit the scope of the application. The terms "front", "back", "left", "right", "up", "down", "top", "bottom", "over", "under", "upper", "lower", "horizontal", "vertical", "above", "below", "inside", "outside" are not intended to limit the position or orientation of the device or element being described to only those positions and orientations specifically recited in the claims. The terms "front", "back", "left", "right", "up", "down", "top", "bottom", "over", "under", "upper", "lower", "horizontal", "vertical", "above", "below", "inside", "outside" are used for purposes of nomenclature only and do not limit the scope of the application to only the positions and orientations specifically recited in the claims.

[0041] It should be noted that the terms "front", "back", "left", "right", "up", "down", "top", "bottom", "over", "under", "upper", "lower", "horizontal", "vertical", "above", "below", "inside", "outside", and like as can be used in the description and in the claims are used for the convenience of the reader and are not intended to necessarily limit the scope of the application. The terms "front", "back", "left", "right", "up", "down", "top", "bottom", "over", "under", "upper", "lower", "horizontal", "vertical", "above", "below", "inside", "outside" are not intended to limit the position or orientation of the device or element being described to only those positions and orientations specifically recited in the claims. The terms "front", "back", "left", "right", "up", "down", "top", "bottom", "over", "under", "upper", "lower", "horizontal", "vertical", "above", "below", "inside", "outside" are used for purposes of nomenclature only and do not limit the scope of the application to only the positions and orientations specifically recited in the claims.

[0042] It should be noted that the terms "front", "back", "left", "right", "up", "down", "top", "bottom", "over", "under", "upper", "lower", "horizontal", "vertical", "above", "below", "inside", "outside", and like as can be used in the description and in the claims are used for the convenience of the reader and are not intended to necessarily limit the scope of the application. The terms "front", "back", "left", "right", "up", "down", "top", "bottom", "over", "under", "upper", "lower", "horizontal", "vertical", "above", "below", "inside", "outside" are not intended to limit the position or orientation of the device or element being described to only those positions and orientations specifically recited in the claims. The terms "front", "back", "left", "right", "up", "down", "top", "bottom", "over", "under", "upper", "lower", "horizontal", "vertical", "above", "below", "inside", "outside" are used for purposes of nomenclature only and do not limit the scope of the application to only the positions and orientations specifically recited in the claims.

[0043] Embodiment 1:

[0044] Please refer to Figure 1 - Figure 8 As shown in the drawings, the embodiment provides a printing nozzle convenient to replace for a 3D printer, which comprises:

[0045] The mounting plate 1 is provided with a mounting groove 11, the shell 2 is inserted into the mounting groove 11, two connecting blocks 3 are arranged on the bottom of the mounting plate 1 and are fixedly connected with the shell 2, a through groove 10 is arranged in the connecting block 3, and the printing head body 4 is fixedly arranged in the shell 2.

[0046] Two grooves 7 are arranged on the bottom of the mounting plate 1 and are located on the two sides of the mounting groove 11, a bidirectional threaded rod 9 is rotatably arranged in the groove 7, and an L-shaped plate 8 is slidably arranged in the groove 7 and located on the bidirectional threaded rod 9, one end of the L-shaped plate 8 extends into the corresponding through groove 10.

[0047] Two power cavities 12 are arranged in the mounting plate 1 and are located on one side of the two grooves 7, a bevel gear one 13 is rotatably arranged in the power cavity 12, a bevel gear two 14 is rotatably arranged in the power cavity 12 and located on one side of the bevel gear one 13, one end of one of the bevel gear two 14 extends through one side of the power cavity 12 and extends into the other power cavity 12, one end of the one bevel gear two 14 is coaxially connected with the other bevel gear two 14, and the other end of the one bevel gear two 14 extends to the outside through the other side of the power cavity 12 and is fixedly connected with the operation disc 6.

[0048] The fixing assembly is arranged on the operation disc 6 and is used for fixing the operation disc 6.

[0049] When the shell 2 is inserted into the mounting groove 11 from top to bottom, the top of the two connecting blocks 3 is in contact with the bottom of the mounting plate 1, the operation disc 6 is rotated by hand, the one bevel gear two 14 is driven to rotate, the other bevel gear two 14 is driven to rotate by the one bevel gear two 14, the two bevel gear two 14 are driven to rotate by the two bevel gear one 13, the two L-shaped plates 8 on the bidirectional threaded rod 9 are close to each other, one end of the L-shaped plate 8 is inserted into the corresponding through groove 10, and the operation disc 6 is fixed by the fixing assembly, the positions of the two connecting blocks 3 are fixed, the position of the shell 2 is fixed, the position of the printing head body 4 is fixed, and the shell 2 can be disassembled by reversing the above operation.

[0050] Embodiment 2

[0051] The embodiment provides a printing nozzle convenient to replace for a 3D printer.

[0052] The threaded hole 16 is arranged on the operation disc 6, one side of the mounting plate 1 is provided with a threaded groove 15 in communication with the threaded hole 16, and the hand screw bolt 5 is screw-mounted in the threaded hole 16.

[0053] When the two connecting blocks 3 are fixed, the one end of the hand screw bolt 5 is screw-mounted into the threaded hole 16 under the action of the thread, then the hand screw bolt 5 is continuously rotated, until the one end of the hand screw bolt 5 is screw-mounted into the threaded groove 15, and the position of the operation disc 6 is fixed.

[0054] Embodiment 3

[0055] The embodiment provides a printing nozzle convenient to replace for a 3D printer.

[0056] Under the action of the thread, the one end of the hand screw bolt 5 can be screw-mounted into the threaded groove 15.

[0057] Embodiment 4

[0058] The embodiment provides a printing nozzle convenient to replace for a 3D printer.

[0059] Under the action of the thread, when the bidirectional threaded rod 9 rotates, the two L-shaped plates 8 are driven to approach or move away from each other.

[0060] Embodiment 5

[0061] The embodiment provides a printing nozzle convenient to replace for a 3D printer.

[0062] Under the action of the thread, when the bidirectional threaded rod 9 rotates, the two L-shaped plates 8 are driven to approach or move away from each other.

[0063] Embodiment 6

[0064] The embodiment provides a printing nozzle convenient to replace for a 3D printer.

[0065] Wherein, under the meshing effect, ensure that the rotation of the bevel gear two 14 can drive the rotation of the bevel gear one 13.

[0066] Embodiment 7:

[0067] The embodiment provides a printing nozzle convenient to replace for a 3D printer. In addition to the technical scheme of the above embodiment, the embodiment has the following technical features: one end of one bevel gear two 14 is rotationally connected with the other power cavity 12.

[0068] Wherein, ensure that the other power cavity 12 can rotate in the other power cavity 12.

[0069] Working principle: when installing, the worker inserts the shell 2 into the installation slot 11 from top to bottom, so that the top of the two connecting blocks 3 is in contact with the bottom of the mounting plate 1, at this time, the worker rotates the operation disc 6 by hand, the operation disc 6 will drive the rotation of one bevel gear two 14, the one bevel gear two 14 will drive the rotation of the other bevel gear two 14, under the meshing effect, the two bevel gear two 14 will drive the rotation of the two bevel gear one 13 respectively, the two L-shaped plates 8 on the two-way threaded rod 9 will be close to each other under the action of the screw thread, so that one end of the L-shaped plate 8 is inserted into the corresponding through slot 10, when the opposite ends of the two L-shaped plates 8 on the two-way threaded rod 9 are in contact in the through slot 10, at this time, the operation disc 6 cannot be continuously rotated, and the threaded hole 16 on the operation disc 6 will be in communication with the threaded groove 15, under the action of the screw thread, the worker screws one end of the hand-tightening bolt 5 into the threaded hole 16, then continues to rotate the hand-tightening bolt 5, until one end of the hand-tightening bolt 5 is screwed into the threaded groove 15, at this time, the position of the operation disc 6 will be fixed, and the position of the two connecting blocks 3 will be fixed, so that the position of the shell 2 is fixed, so that the position of the printing nozzle body 4 is also fixed, and the shell 2 can be disassembled by reversing the above operation.

[0070] The embodiments of the application are described above in combination with the drawings, the embodiments in the application and the features in the embodiments can be combined with each other without conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, not restrictive, and those skilled in the art can make many forms without departing from the purpose of the application and the scope protected by the claims under the inspiration of the application, which all belong to the protection of the application.

Claims

1. A print head for a 3D printer that is easy to replace, characterized in that, Include: The installation plate (1) is provided with an installation slot (11) in it, the shell (2) is inserted and installed in the installation slot (11), two connecting blocks (3) are fixedly installed on both sides of the shell (2) and at the bottom of the installation plate (1), a through slot (10) is formed in the connecting block (3), and a printing head body (4) is fixedly installed in the shell (2); Two grooves (7) are formed in the bottom of the installation plate (1) and are respectively located on both sides of the installation slot (11), a bidirectional threaded rod (9) is rotatably installed in the groove (7), and an L-shaped plate (8) is slidably installed in the groove (7) and located on the bidirectional threaded rod (9). One end of the L-shaped plate (8) extends into the corresponding through slot (10); Two power cavities (12) are formed in the installation plate (1) and are respectively located on one side of the two grooves (7), a bevel gear one (13) is rotatably installed in the power cavity (12), a bevel gear two (14) is rotatably installed in the power cavity (12) and located on one side of the bevel gear one (13), one end of one of the bevel gear two (14) penetrates one side of one of the power cavities (12) and extends into the other power cavity (12), and one end of one of the bevel gear two (14) is coaxially connected with the other bevel gear two (14). The other end of one of the bevel gear two (14) extends to the outside through the other side of the power cavity (12) and is fixedly installed with an operation disc (6). The fixing assembly is located on the operation disc (6) and is used for fixing the operation disc (6).

2. A print head for a 3D printer according to claim 1, wherein, The fixing assembly comprises: A threaded hole (16) is formed in the operation disc (6), one side of the installation plate (1) is provided with a threaded groove (15) in communication with the threaded hole (16), a hand screw bolt (5) is screwedly installed in the threaded hole (16), and one end of the hand screw bolt (5) extends into the threaded groove (15).

3. A print head for a 3D printer according to claim 2, wherein, One end of the hand screw bolt (5) is screwedly connected with the threaded groove (15).

4. The print head according to claim 1, wherein, The L-shaped plate (8) is screwedly connected with the bidirectional threaded rod (9), and the bidirectional threaded rod (9) is provided with two sections of threads with opposite rotation directions.

5. The print head according to claim 1, wherein, One end of the L-shaped plate (8) is inserted and matched with the through slot (10).

6. A 3D printer with a printing nozzle convenient to replace according to claim 1, characterized in that, The bevel gear one (13) is engaged with the corresponding bevel gear two (14).

7. The print head according to claim 1, wherein, One end of one of the bevel gear two (14) is rotatably connected with the other power cavity (12).

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