Four-degree-of-freedom 3D printer for underground closed wall

Abstract

The utility model provides a four-degree-of-freedom 3D printer for an underground closed wall, belongs to the technical field of 3D printing, and solves the technical problems that in the prior art, multi-angle printing regulation and control cannot be carried out, the condition of printing precision deviation is easy to occur, and the overall printing effect is influenced. A four-degree-of-freedom 3D printer for an underground closed wall comprises a driving frame installed at an inlet and a pair of supporting rods fixed in a well, a printing frame is arranged on the two supporting rods in a sliding mode, a pair of containing cavities are formed in the printing frame, raw material wheels are arranged in the two containing cavities, and an outer gear ring is fixed to the bottom face of the printing frame; a guide annular groove located outside the outer gear ring is formed in the bottom face of the printing frame, a pair of angle adjusting frames is slidably connected to the guide annular groove, the two angle adjusting frames are both connected with the outer gear ring, and each angle adjusting frame is provided with a printing adjusting and controlling assembly. The 3D printer has the advantage that the multi-angle and high-degree-of-freedom 3D printing effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to 3D printing technical field relates to a 3D printer, in particular to a kind of 4 degrees of freedom 3D printer of underground airtight wall. BACKGROUND

[0002] In prior art, deep well is printed finished product in advance, and then the cost of deep well is transported to the site of construction by transportation equipment, and then the deep well is installed to the preset position, which can increase the construction time and increase the construction cost.

[0003] Through the retrieval, like Chinese patent document discloses 3D printing deep well device

application number: 202010988702.0;Publication number: CN 112172143 A

[0004] Although the patent can directly print deep well in the hole needed, to improve the speed of construction, but the device cannot carry out multi-angle printing control, and deviation can occur in printing precision, affect overall printing effect. SUMMARY

[0005] The utility model aims at the above-mentioned problem existing in prior art, and proposes a kind of 4 degrees of freedom 3D printer of underground airtight wall, and the technical problems to be solved by the utility model are: how to realize multi-angle, high degree of freedom 3D printing effect.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] The utility model discloses a kind of 4 degrees of freedom 3D printer of underground sealing wall body, including the drive frame of installation in import, a pair of support rods fixed in well, printing frame is slidably arranged on two support rods, and a pair of placement cavities are opened in printing frame, raw material wheel is arranged in two placement cavities, outer gear ring is fixed on the bottom surface of printing frame, guiding ring groove is opened in the outer gear ring of printing frame bottom, a pair of angle adjusting frames are slidably connected on guiding ring groove, two angle adjusting frames are connected with outer gear ring, adjusting and controlling printing assembly is arranged on each angle adjusting frame, the adjusting and controlling printing assembly includes the rotationally connected adjusting seat on each angle adjusting frame, the link one is rotationally connected on each adjusting seat, the inclined end surface of each link one is rotationally connected with link two, link three is rotationally connected on each link two, 3D printer head is fixed in link three, and line material on each raw material wheel is connected with 3D printer head.

[0008] The working principle of the utility model is: up and down action can be carried out in the well by printing frame, and the rotation of link one, link two and link three enables multi-angle printing control, improves the effect of 3D printer printing work, and the printing range and depth can be improved by moving printing frame up and down on support rod to complete printing work in the well.

[0009] Coaxial driving gear ring is fixedly connected to the outer wall of link one, link two and link three, and servo motor is fixed on adjusting seat, link one and link two, coaxial driving gear is fixedly connected to the output shaft of each servo motor, each driving gear is engaged with corresponding driving gear ring, adjusting motor is fixed in each angle adjusting frame, transmission gear is fixedly connected to the output shaft of each adjusting motor, and each transmission gear is engaged with outer gear ring.

[0010] By the above structure, each servo motor can drive corresponding driving gear to rotate, and after the rotation of each driving gear, corresponding adjusting seat, link one and link two can be integrally rotated and adjusted, and transmission gear can be driven to rotate by cooperating with adjusting motor, the movement of angle adjusting frame can be realized by the engagement of transmission gear and outer gear ring, and the 3D printing effect with multiple angles and high degree of freedom can be realized by the mutual cooperation of the two.

[0011] Driving motor is fixed on the driving frame, coaxial winding wheel is fixedly connected to the output shaft of driving motor, traction rope is fixed on winding wheel, and traction rope is fixedly connected with printing frame.

[0012] By the above structure, driving motor can drive winding wheel to rotate, and after the rotation of winding wheel, traction rope can pull printing frame to move up and down, printing frame can move in well, the printing range can be improved, and the printing machine can print each area in well, so that the printing range can be improved.

[0013] A pair of stabilizing openings are formed in the printing frame, and a pair of stabilizing wheels are rotatably connected in each stabilizing opening.

[0014] With the above structure, each pair of stabilizing wheels is in contact with the corresponding support rod, so that the rotation of the stabilizing wheels improves the smoothness of the printing frame when moving on the support rod and further improves the running stability of the printing frame when moving.

[0015] A pair of mounting screws are inserted into the printing frame, each mounting screw penetrates the axis of the corresponding raw material wheel, a pair of mounting screw holes are formed in the cavity wall of the placing cavity, and one end of each mounting screw is in threaded connection with the corresponding mounting screw hole.

[0016] With the above structure, the mounting screws are connected in series with the corresponding raw material wheels, so that the raw material wheels are installed in the printing frame, and the mounting screws are installed to realize the quick replacement of the raw material wheels.

[0017] Compared with the prior art, the downhole sealing wall 4 degree of freedom 3D printer has the following advantages:

[0018] 1. Each servo motor drives the corresponding drive gear to rotate, and each drive gear drives the corresponding adjusting seat, link one and link two to rotate after rotating, so as to realize multi-angle and high degree of freedom 3D printing effect.

[0019] 2. The mounting screws are connected in series with the corresponding raw material wheels, so that the raw material wheels are installed in the printing frame, and the mounting screws are installed to realize the quick replacement of the raw material wheels. DETAILED DESCRIPTION

[0020] Figure 1 is a structural schematic view of the present application.

[0021] Figure 2 is a structural schematic view of the printer inside the present application.

[0022] Figure 3 is a structural schematic view of the well inside the present application.

[0023] Figure 4 is a structural schematic view of the printing assembly in the present application.

[0024] In the figure, 1, drive frame; 2, support rod; 3, printing frame; 4, placing cavity; 5, raw material wheel; 6, outer gear ring; 7, guide annular groove; 8, angle adjusting frame; 9, adjusting seat; 10, link one; 11, link two; 12, link three; 13, 3D printer head; 14, drive gear ring; 15, servo motor; 16, drive gear; 17, adjusting motor; 18, transmission gear; 19, drive motor; 20, winding wheel; 21, traction rope; 22, stabilizing port; 23, stabilizing wheel; 24, mounting screw; 25, mounting screw hole. DETAILED DESCRIPTION

[0025] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0026] As Figures 1-4 shown, a 4-degree-of-freedom 3D printer for underground sealing wall body 4 includes a drive frame 1 mounted at an inlet, a pair of support rods 2 fixed in a well, a printing frame 3 slidingly arranged on the two support rods 2, a pair of placing cavities 4 formed in the printing frame 3, a raw material wheel 5 arranged in each placing cavity 4, an outer gear ring 6 fixed to the bottom surface of the printing frame 3, a guide annular groove 7 formed in the bottom surface of the printing frame 3 outside the outer gear ring 6, a pair of angle adjusting frames 8 slidingly connected to the guide annular groove 7, the outer gear ring 6 connected to each angle adjusting frame 8, a regulating and printing assembly arranged on each angle adjusting frame 8, the regulating and printing assembly including an adjusting seat 9 rotatably connected to each angle adjusting frame 8, a link one 10 rotatably connected to each adjusting seat 9, a link two 11 rotatably connected to the inclined end surface of each link one 10, a link three 12 rotatably connected to each link two 11, a 3D printer head 13 fixed in the link three 12, and a wire material connected to the 3D printer head 13 on each raw material wheel 5.

[0027] The printing frame 3 can move up and down in the well, and the rotation of the link one 10, the link two 11, and the link three 12 can realize multi-angle printing regulation, thereby improving the printing effect of the 3D printer. The printing frame 3 can move up and down on the support rod 2, thereby improving the printing range and depth and completing the printing work in the well.

[0028] A drive gear ring 14 is coaxially and fixedly connected to the outer wall of each of the link one 10, the link two 11, and the link three 12, a servo motor 15 is fixed to each of the adjusting seat 9, the link one 10, and the link two 11, a drive gear 16 is coaxially and fixedly connected to the output shaft of each servo motor 15, each drive gear 16 is engaged with the corresponding drive gear ring 14, an adjusting motor 17 is fixed in each angle adjusting frame 8, a transmission gear 18 is coaxially and fixedly connected to the output shaft of each adjusting motor 17, and each transmission gear 18 is engaged with the outer gear ring 6.

[0029] With the above structure, each servo motor 15 can drive the corresponding drive gear 16 to rotate, and each drive gear 16 can drive the corresponding adjusting seat 9, link one 10, and link two 11 to rotate as a whole, and cooperate with the adjusting motor 17 to drive the transmission gear 18 to rotate. The transmission gear 18 drives the angle adjusting frame 8 to move through the engagement of the outer gear ring 6, and the two move in cooperation to achieve multi-angle and high-degree-of-freedom 3D printing effect.

[0030] The driving frame 1 is fixed with a driving motor 19, and the output shaft of the driving motor 19 is coaxially fixedly connected with a winding wheel 20. The winding wheel 20 is fixed with a traction rope 21, and the traction rope 21 is fixedly connected with the printing frame 3.

[0031] With the above structure, the driving motor 19 can drive the winding wheel 20 to rotate, and the winding wheel 20 can drive the traction rope 21 to pull the printing frame 3 to move up and down, so as to realize the movement of the printing frame 3 in the well, improve the printing range, and enable the printer to print each area in the well, thereby improving the printing range.

[0032] A pair of stabilizing openings 22 are formed in the printing frame 3, and a pair of stabilizing wheels 23 are rotatably connected in each stabilizing opening 22. Each pair of stabilizing wheels 23 is in contact with the corresponding support rod 2.

[0033] With the above structure, each pair of stabilizing wheels 23 can contact the corresponding support rod 2, so that the rotation of the stabilizing wheels 23 can improve the smoothness of the movement of the printing frame 3 on the support rod 2, and further improve the running stability of the printing frame 3.

[0034] A pair of mounting screws 24 are inserted into the printing frame 3, each mounting screw 24 penetrates the axis of the corresponding raw material wheel 5, a pair of mounting screw holes 25 are formed in the cavity wall of the placing cavity 4, and one end of each mounting screw 24 is threadedly connected with the corresponding mounting screw hole 25.

[0035] With the above structure, the mounting screw 24 can connect the corresponding raw material wheel 5 in series, so that the raw material wheel 5 is installed in the printing frame 3, and the mounting screw 24 can realize quick replacement of the raw material wheel 5.

[0036] The utility model discloses a working principle: fixed drive frame 1 at the well mouth, this time again place raw material wheel 5 in the cavity 4, again through the installation screw rod 24 string connection corresponding raw material wheel 5 to raw material wheel 5 with installation screw hole 25 is connected in screw thread, make in the cavity 4 of installation, this time again raw material line head of raw material wheel 5 is inserted 3D printer head 13's feeding end, can through drive motor 19 drive winding wheel 20 and rotate, winding wheel 20 rotates and will drive traction rope 21 and print frame 3 are moved downward to traction, until print frame 3 reaches the well bottom, open 3D printing work, and along with the printing process through the adjustment motor 17 drive transmission gear 18 and rotate, transmission gear 18 passes through the meshing of outer gear ring 6, drive angle adjusting frame 8 realizes the removal of itself, again through each servo motor 15 drive corresponding drive gear 16 and rotate, each drive gear 16 rotates and will drive corresponding adjustment seat 9, link one 10, link two 11 and rotate adjustment as a whole, realize the 3D printing effect of multi -angle, high degree of freedom, until printing to the well mouth, after the model of printing solidification, can be to the printing model in and pour, get deep well finished product.

[0037] Summarizing, through the up-down action of print frame 3 in the well, and through the rotation of link one 10, link two 11, link three 12, the printing of multi-angle is controlled, the effect of 3D printer printing work is improved, and through the up-down movement of print frame 3 on supporting rod 2, the printing range and depth can be improved, and the printing work in the shaft is completed.

[0038] The specific embodiments described herein are merely illustrative of the present utility model. The skilled in the art of the present utility model can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present utility model or exceed the scope defined by the attached claims.

Claims

1. A 4-DOF 3D printer for sealing a wellbore, comprising a drive frame (1) mounted at the wellhead, a pair of support rods (2) fixed within the wellbore, characterized in that, Two said support rod (2) on the sliding setting has a printing frame (3), and the printing frame (3) is provided with a pair of placement cavity (4), two placement cavity (4) are provided with raw material wheel (5), the bottom surface of printing frame (3) is fixed with outer ring gear (6), the bottom surface of printing frame (3) is provided with the guide ring groove (7) outside outer ring gear (6), the guide ring groove (7) is slidably connected with a pair of angle adjusting frame (8), two angle adjusting frame (8) are connected with outer ring gear (6), each angle adjusting frame (8) is provided with a regulating printing assembly, the regulating printing assembly includes the rotating connection adjusting seat (9) on each angle adjusting frame (8), each adjusting seat (9) is rotatably connected with link one (10), the inclined end surface of each link one (10) is rotatably connected with link two (11), each link two (11) is rotatably connected with link three (12), link three (12) is fixed with 3D printer head (13), and the wire material on each raw material wheel (5) is connected with 3D printer head (13).

2. A 4-DOF 3D printer for downhole sealing walls according to claim 1, characterized in that, The outer wall of link one (10), link two (11) and link three (12) is coaxially fixedly connected with driving gear (14), and the adjusting seat (9), link one (10) and link two (11) are fixedly connected with servo motor (15), the output shaft of each servo motor (15) is coaxially fixedly connected with driving gear (16), and each driving gear (16) is engaged with the corresponding driving gear (14), each angle adjusting frame (8) is fixedly connected with adjusting motor (17), the output shaft of each adjusting motor (17) is coaxially fixedly connected with transmission gear (18), and each transmission gear (18) is engaged with outer ring gear (6).

3. The 4-DOF 3D printer for sealing the well wall according to claim 1, wherein, The driving frame (1) is fixedly connected with driving motor (19), and the output shaft of driving motor (19) is coaxially fixedly connected with winding wheel (20), winding wheel (20) is fixedly connected with traction rope (21), and traction rope (21) is fixedly connected with printing frame (3).

4. The 4-DOF 3D printer for sealing the well wall according to claim 1, wherein, The printing frame (3) is provided with a pair of stable ports (22), each stable port (22) is rotatably connected with a pair of stable wheels (23), and each pair of stable wheels (23) is in contact with the corresponding support rod (2).

5. The 4-DOF 3D printer for sealing the well wall according to claim 1, wherein, The printing frame (3) is inserted with a pair of mounting screws (24), each mounting screw (24) penetrates the axis of the corresponding raw material wheel (5), and a pair of mounting screw holes (25) are formed in the cavity wall of the placement cavity (4), one end of each mounting screw (24) is threadedly connected with the corresponding mounting screw hole (25).

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