Spray head movement mechanism of 3D printer

Abstract

The utility model provides a 3D printer nozzle movement mechanism, including: base and nozzle main part, the base is provided with the movement mechanism, the movement mechanism includes lifting mechanism and first moving mechanism, the first moving mechanism is provided with the mounting rack, the mounting rack is provided with the nozzle main part, the nozzle main part is provided with the nozzle main part, and the nozzle main part is provided with the lifting mechanism and the first moving mechanism. A fixing mechanism is arranged on the mounting frame and the spray head main body and comprises a mounting groove, a fixing block and a mounting block. When the shower nozzle is used, through the arrangement of the mounting groove, the fixing block, the mounting block and other structures, the shower nozzle body can be mounted outside the mounting frame in a limited mode through the mounting block on the back face of the shower nozzle body and the mounting groove in the mounting frame, and the shower nozzle body is fixed outside the mounting frame after one end of the fixing block is clamped into the fixing groove; and therefore, the nozzle main body on the mounting frame can be more conveniently disassembled and assembled, the nozzle on the printer can be more conveniently maintained or replaced, and the stability and maintainability of the nozzle are improved.

Description

Technical Field

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

[0002] 3D printer, also known as three-dimensional printer, is a machine of rapid prototyping technology. It is a technology based on digital model files, using powdered metal or plastic and other adhesive materials to construct objects by printing layer by layer. It is a cumulative manufacturing technology that manufactures three-dimensional objects by printing layer by layer of adhesive materials. Its basic principle is to put data and raw materials into the 3D printer, and the machine will build the product layer by layer according to the program, and the printed product can be used immediately.

[0003] Nowadays, when the nozzles of 3D printers are in use, they are mostly fixedly installed on the mounting frame of the motion mechanism. However, if the fixed nozzles need to be maintained or replaced, it may be inconvenient to operate, because this usually involves the adjustment of the entire motion structure, and most of them require professional tools to complete the disassembly work, which makes the maintenance or replacement of the nozzles more time-consuming, which may affect its practicality. Utility Model Content

[0004] The utility model aims to provide a nozzle motion mechanism for a 3D printer, aiming to solve the problem in the prior art that the nozzles of conventional 3D printers are mostly fixedly mounted on a mounting frame of the motion mechanism, making it inconvenient to maintain or replace the nozzles.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A nozzle movement mechanism of a 3D printer comprises: a base and a nozzle body, the base is provided with a movement mechanism for driving the nozzle body to move, the movement mechanism comprises a lifting mechanism and a first moving mechanism, the first moving mechanism is movably and movably arranged on the lifting mechanism, a mounting frame is movably and movably arranged on the first moving mechanism, the nozzle body is arranged on the mounting frame, a fixing mechanism for fixing the nozzle body to the mounting frame is arranged on the mounting frame and the nozzle body, the fixing mechanism comprises a mounting groove, a fixing block and a mounting block, the mounting frame is provided with a mounting groove, two groups of fixing blocks are movably arranged on the mounting frame, a mounting block capable of cooperating with the mounting groove is fixedly arranged on the back side of the nozzle body, and a plurality of groups of fixing grooves capable of cooperating with the fixing block are arranged on the mounting block.

[0007] Preferably, a second moving mechanism is provided on the base, and a printing platform is provided on the second moving mechanism.

[0008] Preferably, the mounting frame is provided with a plurality of groups of slot bodies connected with the mounting slots, the interior of the slot body is provided with a mounting plate which is movably limited by a guide rod, a spring is fixedly provided inside the slot body, and one end of the spring is fixedly connected to the outside of one side of the mounting plate, and a limiting block with a semicircular top end is fixedly provided on the outside of the other side of the mounting plate.

[0009] Preferably, the mounting block is provided with a plurality of groups of limiting grooves, and the limiting grooves can cooperate with the limiting blocks.

[0010] Preferably, multiple groups of shells are provided on the outside of the mounting frame, a bidirectional screw is rotatably provided inside the shell, a first gear is fixedly provided on the bidirectional screw, a motor is fixedly provided inside the shell, a second gear is fixedly provided at the output end of the motor, and the second gear is meshed with the first gear.

[0011] Preferably, two sets of screw nuts are meshed on the bidirectional screw, a connecting piece is fixedly provided on the screw nut, one end of the connecting piece is fixedly connected to a moving piece, and the moving piece is located outside the shell, and one end of the moving piece is fixedly connected to the outside of the fixed block.

[0012] The beneficial effects of the utility model are:

[0013] 1. When the utility model is in use, through the arrangement of the installation slot, the fixing block and the installation block and other structures, the nozzle body can be limitedly installed on the outside of the mounting frame through the installation block on the back thereof and the installation slot on the mounting frame, and fixed to the outside of the mounting frame after one end of the fixing block is inserted into the fixing slot, thereby making it more convenient to disassemble and assemble the nozzle body on the mounting frame, making it more convenient to maintain or replace the nozzle on the printer, and improving the stability and maintainability of the nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of a specific embodiment of the utility model.

[0015] Figure 2 It is a schematic structural diagram of the first moving mechanism of a specific embodiment of the utility model.

[0016] Figure 3 It is a structural schematic diagram of a mounting block according to a specific embodiment of the utility model.

[0017] Figure 4 It is a structural schematic diagram of a housing of a specific embodiment of the utility model.

[0018] Figure 5 It is a specific embodiment of the utility model Figure 4 A magnified schematic diagram of the structure in Figure 1.

[0019] In the figure: 1. base; 2. lifting mechanism; 3. first moving mechanism; 4. mounting frame; 5. nozzle body; 6. second moving mechanism; 7. printing platform; 8. mounting block; 9. fixing groove; 10. limiting groove; 11. fixing block; 12. groove body; 13. mounting plate; 14. spring; 15. limiting block; 16. housing; 17. bidirectional lead screw; 18. first gear; 19. motor; 20. second gear; 21. lead screw nut; 22. connecting piece; 23. moving piece; 24. mounting groove. DETAILED DESCRIPTION

[0020] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0021] like Figure 1-5 As shown, a nozzle movement mechanism of a 3D printer comprises: a base 1 and a nozzle body 5, the base 1 is provided with a movement mechanism for driving the nozzle body 5 to move, the movement mechanism comprises a lifting mechanism 2 and a first moving mechanism 3, the first moving mechanism 3 is movably and movably arranged on the lifting mechanism 2, a mounting frame 4 is movably and movably arranged on the first moving mechanism 3, a nozzle body 5 is arranged on the mounting frame 4, a fixing mechanism for fixing the nozzle body 5 to the mounting frame 4 is arranged on the mounting frame 4 and the nozzle body 5, the fixing mechanism comprises a mounting groove 24, a fixing block 11 and a mounting block 8, the mounting frame 4 is provided with a mounting groove 24, two groups of fixing blocks 11 are movably arranged on the mounting frame 4, a mounting block 8 capable of cooperating with the mounting groove 24 is fixedly arranged on the back of the nozzle body 5, and a plurality of groups of fixing blocks 11 capable of cooperating with the fixing block 11 are arranged on the mounting block 8 The lifting mechanism 2 is responsible for the up and down movement of the nozzle body 5 in the Z-axis direction, which is the basic action for constructing the printing layer in 3D printing. The first moving mechanism 3 is installed on the lifting mechanism 2 and is responsible for the horizontal movement of the nozzle on the X-plane. The mounting frame 4 is an intermediate component, which connects the first moving mechanism 3 and the nozzle body 5. Through the arrangement of structures such as the mounting groove 24, the fixed block 11 and the mounting block 8, the nozzle body 5 can be installed on the outside of the mounting frame 4 through the mounting block 8 on its back and the mounting groove 24 on the mounting frame 4, and fixed to the outside of the mounting frame 4 after one end of the fixing block 11 is inserted into the fixing groove 9, thereby making the disassembly and assembly of the nozzle body 5 on the mounting frame 4 more convenient, making the maintenance or replacement of the nozzle on the 3D printer more convenient, and improving the stability and maintainability of the nozzle.

[0022] like Figure 1 As shown, a second moving mechanism 6 is provided on the base 1, and a printing platform 7 is provided on the second moving mechanism 6. The second moving mechanism 6 is responsible for driving the printing platform 7 to move horizontally on the Y plane, and is used to cooperate with the nozzle body 5 that can move in the X plane and the Z axis direction to perform printing work.

[0023] like Figure 4 and Figure 5 As shown, the mounting frame 4 is provided with multiple groups of slot bodies 12 connected with the mounting slots 24, the interior of the slot body 12 is movably provided with a mounting plate 13 through a guide rod limit, a spring 14 is fixedly provided inside the slot body 12, and one end of the spring 14 is fixedly connected to the outside of one side of the mounting plate 13, and a limiting block 15 with a semicircular top end is fixedly provided on the outside of the other side of the mounting plate 13, and multiple groups of limiting slots 10 are provided on the mounting block 8, and the limiting slots 10 can cooperate with the limiting blocks 15. When the nozzle body 5 is limited and installed on the outside of the mounting frame 4 through the mounting block 8 on the back and the mounting slot 24 on the mounting frame 4, the top of the upper limit block 15 of the mounting plate 13 in the slot body 12 will enter into the limiting slot 10 on the mounting block 8 as pushed by the spring 14 on its back, so that it can achieve the limiting effect on the mounting block 8, thereby preventing the mounting block 8 from falling off the mounting frame 4 after the staff loosens their hands.

[0024] like Figure 4 As shown, multiple groups of shells 16 are arranged outside the mounting frame 4, and a bidirectional lead screw 17 is rotatably arranged inside the shell 16, and a first gear 18 is fixedly arranged on the bidirectional lead screw 17, and a motor 19 is fixedly arranged inside the shell 16, and a second gear 20 is fixedly arranged on the output end of the motor 19, and the second gear 20 is meshed with the first gear 18, and two groups of lead screw nuts 21 are meshed on the bidirectional lead screw 17, and a connecting member 22 is fixedly arranged on the lead screw nut 21, and one end of the connecting member 22 is fixedly connected to a moving member 23, and the moving member 23 is located outside the shell 16, and one end of the moving member 23 is fixedly connected to the outside of the fixed block 11. When the nozzle body 5 is limitedly installed on the outside of the mounting frame 4 through the mounting block 8 on the back and the mounting groove 24 on the mounting frame 4, as The motors 19 in the two groups of shells 16 are started at the same time, and the second gear 20 fixedly installed at the output end thereof will drive the bidirectional lead screw 17 rotatably installed in the shell 16 to rotate through the first gear 18 meshing therewith. The rotation of the bidirectional lead screw 17 causes the two groups of lead screw nuts 21 meshingly installed on its outside to move in opposite directions. The movement of the lead screw nuts 21 will drive the fixed block 11 to move through the connecting piece 22 and the moving piece 23, so that one end of the two groups of fixed blocks 11 movably installed on the mounting frame 4 can be inserted into the matching fixed groove 9, so that the nozzle body 5 can be fixed to the outside of the mounting frame 4, thereby making the disassembly and assembly of the nozzle body 5 on the mounting frame 4 more convenient, making the maintenance or replacement of the nozzle on the 3D printer more convenient, and improving the stability and maintainability of the nozzle.

[0025] Working principle: The lifting mechanism 2 is responsible for the up and down movement of the nozzle body 5 in the Z-axis direction, which is the basic action for building the printing layer in 3D printing. The first moving mechanism 3 is installed on the lifting mechanism 2 and is responsible for the horizontal movement of the nozzle on the X plane. The mounting frame 4 is an intermediate component, which connects the first moving mechanism 3 and the nozzle body 5. Through the setting of the mounting groove 24, the fixed block 11 and the mounting block 8 and other structures, the nozzle body 5 can be installed on the outside of the mounting frame 4 through the mounting block 8 on its back and the mounting groove 24 on the mounting frame 4, and is clamped at one end of the fixed block 11. After being inserted into the fixing groove 9, it is fixed to the outside of the mounting frame 4, so that the disassembly and assembly of the nozzle body 5 on the mounting frame 4 can be more convenient, and the maintenance or replacement of the nozzle on the 3D printer can be more convenient, which improves the stability and maintainability of the nozzle. The second moving mechanism 6 is responsible for driving the horizontal movement of the printing platform 7 on the Y plane, and is used to cooperate with the nozzle body 5 that can move in the X plane and the Z axis direction to perform printing. When the nozzle body 5 is limitedly installed on the outside of the mounting frame 4 through the mounting block 8 on the back and the mounting groove 24 on the mounting frame 4, the mounting plate in the groove body 12 The top of the upper limit block 15 will enter the limit groove 10 on the mounting block 8 as pushed by the spring 14 on its back, so that it can achieve the limit effect on the mounting block 8, preventing the mounting block 8 from falling off the mounting frame 4 after the staff loosens their hands. When the nozzle body 5 is limited and installed on the outside of the mounting frame 4 through the mounting block 8 on the back and the mounting groove 24 on the mounting frame 4, as the motors 19 in the two sets of shells 16 are started at the same time, the second gear 20 fixedly installed at its output end will drive the bidirectional lead screw installed in the shell 16 to rotate through the first gear 18 meshing with it. 17 rotates, and the bidirectional lead screw 17 rotates so that the two sets of lead screw nuts 21 meshedly installed on its outside will move in opposite directions. The movement of the lead screw nuts 21 will drive the fixed block 11 to move through the connecting piece 22 and the moving piece 23, so that one end of the two sets of fixed blocks 11 movably installed on the mounting frame 4 can be inserted into the fixed groove 9 matched therewith, so that the nozzle body 5 can be fixed to the outside of the mounting frame 4, thereby making the disassembly and assembly of the nozzle body 5 on the mounting frame 4 more convenient, making the maintenance or replacement of the nozzle on the 3D printer more convenient, and improving the stability and maintainability of the nozzle.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A nozzle motion mechanism of a 3D printer, comprising: A base (1) and a nozzle body (5), wherein the base (1) is provided with a motion mechanism for driving the nozzle body (5) to move, wherein the motion mechanism comprises a lifting mechanism (2) and a first moving mechanism (3), wherein the first moving mechanism (3) is movably and movably arranged on the lifting mechanism (2), wherein a mounting frame (4) is movably and movably arranged on the first moving mechanism (3), wherein the nozzle body (5) is arranged on the mounting frame (4), wherein the mounting frame (4) and the nozzle body (5) are provided with a movable member A fixing mechanism for fixing a nozzle body (5) to a mounting frame (4), the fixing mechanism comprising a mounting groove (24), a fixing block (11) and a mounting block (8); the mounting frame (4) is provided with a mounting groove (24); two groups of fixing blocks (11) are movably provided on the mounting frame (4); a mounting block (8) capable of cooperating with the mounting groove (24) is fixedly provided on the back of the nozzle body (5); and a plurality of groups of fixing grooves (9) capable of cooperating with the fixing blocks (11) are provided on the mounting block (8).

2. The nozzle motion mechanism of a 3D printer according to claim 1, characterized in that: The base (1) is provided with a second moving mechanism (6), and the second moving mechanism (6) is provided with a printing platform (7).

3. The nozzle motion mechanism of a 3D printer according to claim 1, characterized in that: The mounting frame (4) is provided with a plurality of slot bodies (12) connected to the mounting slots (24); a mounting plate (13) is movably provided inside the slot body (12) through a guide rod limiter; a spring (14) is fixedly provided inside the slot body (12); one end of the spring (14) is fixedly connected to the outside of one side of the mounting plate (13); and a limiting block (15) with a semicircular top end is fixedly provided on the outside of the other side of the mounting plate (13).

4. The nozzle motion mechanism of a 3D printer according to claim 3, characterized in that: The installation block (8) is provided with a plurality of groups of limiting grooves (10), and the limiting grooves (10) can be matched with the limiting blocks (15).

5. The nozzle motion mechanism of a 3D printer according to claim 1, characterized in that: A plurality of housings (16) are arranged outside the mounting frame (4), a bidirectional lead screw (17) is rotatably arranged inside the housing (16), a first gear (18) is fixedly arranged on the bidirectional lead screw (17), a motor (19) is fixedly arranged inside the housing (16), a second gear (20) is fixedly arranged at the output end of the motor (19), and the second gear (20) is meshed with the first gear (18).

6. The nozzle motion mechanism of a 3D printer according to claim 5, characterized in that: The bidirectional lead screw (17) is meshed with two sets of lead screw nuts (21), a connecting piece (22) is fixedly arranged on the lead screw nut (21), one end of the connecting piece (22) is fixedly connected to a moving piece (23), and the moving piece (23) is located outside the housing (16), and one end of the moving piece (23) is fixedly connected to the outside of the fixed block (11).

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