A quick-adjusting device for feeding angle of 3D printing device

Abstract

The present invention discloses a device for quickly adjusting a feeding angle for a 3D printing device, which belongs to the technical field of printing and feeding. The device comprises a 3D printer body and a feeding mechanism, wherein the feeding mechanism comprises: a movable seat, a rotating disk, a rotating assembly, an adjusting assembly, a clamping assembly and a guide assembly; the angle of the rotating disk in the horizontal direction can be adjusted by the rotating assembly, the angle of the support frame on the fixed frame can be adjusted by the adjusting assembly, and the support frame can also be adjusted to a horizontal or vertical state; a clamping assembly is installed on the support frame, which can facilitate support and limiting operations on wire racks of different diameters, ensure that the wire rack can perform stable rotation operations, and achieve stable feeding; the wire can be guided by the guide assembly to avoid the wire affecting the printing effect during the transportation process; the feeding can be adjusted to multiple angles by the rotating assembly and the adjusting assembly, ensure the stability of wire transportation, and improve the feeding efficiency and feeding effect.

Description

Technical Field

[0001] The present invention belongs to the technical field of printing and feeding, and in particular relates to a feeding angle rapid adjustment device for a 3D printing device. Background Art

[0002] A 3D printer is a device that turns the design blueprint of an intelligent electronic device (such as a computer or server) into a physical object by stacking raw materials such as metal, resin or plastic layer by layer. The principle of a 3D printer is to put data and raw materials into the 3D printer, and the machine will manufacture the product layer by layer according to the program.

[0003] Existing 3D printing devices use a quick feeding angle adjustment device to feed the wire. The position of the wire rack is fixed when the wire is fed. During the operation of the printing device, an improper feeding angle of the wire will cause the friction between the wire and the conveying path to increase, causing material jamming or unstable extrusion. When printing complex structures, the wire may need to avoid the printing component to ensure the printing effect.

[0004] In order to avoid the above technical problems, it is necessary to provide a device for quickly adjusting the feeding angle of a 3D printing device to overcome the above defects in the prior art. Summary of the Invention

[0005] The object of the present invention is to provide a device for quickly adjusting the feeding angle of a 3D printing device to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A device for quickly adjusting a feeding angle for a 3D printing device includes a 3D printer body and a feeding mechanism, wherein the feeding mechanism includes:

[0008] A movable seat is located on the side of the 3D printer body, a linear slide is provided on the side of the 3D printer body, a slider is installed on the side of the movable seat, the slider is slidably connected to the slide, a pulley is installed at the bottom of the movable seat, a rotating disk is provided at the top of the movable seat, a fixed frame is installed on the rotating disk, the fixed frame is in a U-shape, a rotating assembly is installed between the rotating disk and the movable seat, for driving the rotating disk to adjust the position in the horizontal direction, a supporting frame is installed on the fixed frame, a short rod is installed between the supporting frame and the fixed frame, the short rod is rotatably connected to the fixed frame, and an adjusting assembly is installed between the supporting frame and the fixed frame for adjusting the angle of the supporting frame on the fixed frame;

[0009] The support frame is equipped with a clamping assembly for clamping wire racks of different sizes and enabling the wire racks to rotate stably. The top side of the support frame is equipped with a guide assembly for guiding the wire between the 3D printer body and the wire rack.

[0010] As a further technical solution of the present invention: the rotating assembly includes:

[0011] A fixed column is fixedly installed in the middle part of the bottom side of the rotating disk, the bottom end of the fixed column is rotatably connected to the movable seat, a rotating tooth is fixedly installed on the outer wall of the fixed column, a vertical rotating rod is installed on the bottom end of the inner side of the movable seat, the bottom end of the rotating rod is rotatably connected to the movable seat, a transmission tooth is fixedly installed on the top of the rotating rod, the transmission tooth is meshed with the rotating tooth, a driving tooth is installed on the outer side of the bottom end of the rotating rod, a driving member is fixedly installed on the inner side of the movable seat, a driving rod is fixedly installed on the output end of the driving member, and the driving rod is matched with the driving tooth.

[0012] As a further technical solution of the present invention: the adjustment component includes:

[0013] An incomplete gear is fixedly mounted on one side of the bottom end of the support frame, a limiting groove is provided in the middle of the fixed frame, a positioning groove is provided on the inner wall of the limiting groove, a movable plate is provided on the inner side of the positioning groove, the movable plate is slidably connected to the positioning groove, a rack is mounted on the movable plate, the rack is meshed with the incomplete gear, a telescopic part is fixedly mounted on the rotating disk, and the output end of the telescopic part is fixedly connected to one end of the movable plate.

[0014] As a further technical solution of the present invention: the clamping assembly includes:

[0015] The positioning hole is located on the supporting frame, and a disc is installed on the inner side of the positioning hole, and the disc is rotatably connected to the positioning hole. A limiting hole is provided in the middle of the disc, and a moving rod is installed on the inner side of the limiting hole. A baffle is installed at one end of the moving rod, and a connecting block is fixedly installed at the other end. A handle is installed on the connecting block, and an elastic part is installed between the baffle and the disc, and the elastic part is sleeved on the outer side of the moving rod. A limiting assembly is installed between the moving rod and the disc, which is used to clamp wire material discs of different diameters when the moving rod moves along the limiting hole.

[0016] As a further technical solution of the present invention: the limit assembly includes:

[0017] The movable groove is located on the disc, and a movable block is provided on the inner side of the movable groove, and the movable block is slidably connected to the movable groove. The movable block is fixedly installed with a clamping plate at one end close to the baffle, and the shape of the clamping plate is an arc, and an anti-slip pad is installed on the surface of the clamping plate. The movable block is fixedly installed with a first hinge seat at one end away from the clamping plate, and a second hinge seat is installed on the connecting block. A connecting rod is installed between the first hinge seat and the second hinge seat, and both ends of the connecting rod are rotatably connected to the first hinge seat and the second hinge seat. The limit assembly is provided with three groups and is evenly distributed on the disc.

[0018] As a further technical solution of the present invention: the guide assembly includes:

[0019] The mounting hole is located on the top side of the support frame, and a mounting bracket is provided on the top side of the support frame, and a mounting rod is installed on the mounting bracket, and the mounting rod is detachably connected to the mounting hole. The shape of the mounting bracket is L-shaped, and a telescopic rod is installed on the mounting bracket, and a limiting cylinder is installed on the top of the telescopic rod, and a rotating rod is installed on the inside of the limiting cylinder, and the rotating rod is rotatably connected to the limiting cylinder. A fixing plate is installed at one end of the rotating rod, and a limiting rod is installed on the fixing plate, and the limiting rod is rotatably connected to the fixing plate, and a guide wheel is fixedly installed on the limiting rod, and two of the limiting rods and the guide wheels are provided and are divided into two groups and symmetrically installed on the fixing plate.

[0020] As a further technical solution of the present invention: the top of the support frame is semicircular in shape, and there are multiple mounting holes evenly distributed on the top side of the support frame. A rubber pad is installed on the surface of the mounting frame to increase the friction between the mounting frame and the support frame.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The present invention provides a quick-adjustment device for a feeding angle for a 3D printing device, wherein a slide groove and a slider are provided between the movable seat and the 3D printer body, the movable seat can be adjusted in position along the slide groove, the angle of the rotating disk in the horizontal direction can be adjusted by the rotating component, the angle of the support frame on the fixed frame can be adjusted by the adjusting component, and the support frame can also be adjusted to a horizontal or vertical state; a clamping component is installed on the support frame, which can facilitate support and limiting operations on wire racks of different diameters, ensuring that the wire rack can be stably rotated to achieve stable feeding, and the wire can be guided by the guide component to avoid the wire affecting the printing effect during the transportation process, and the feeding can be adjusted at multiple angles by the rotating component and the adjusting component to ensure the stability of the wire transportation and improve the feeding efficiency and feeding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention.

[0024] Figure 2 It is a schematic diagram of the structure between the 3D printer body and the movable base in the present invention.

[0025] Figure 3 It is a structural schematic diagram of the movable seat in the present invention.

[0026] Figure 4 It is a schematic structural diagram of the clamping assembly on the support frame in the present invention.

[0027] Figure 5 It is a structural schematic diagram of the adjustment component in the present invention.

[0028] Figure 6 It is a structural schematic diagram of the rotating component in the present invention.

[0029] Figure 7 For the present invention Figure 6 Schematic diagram of the structure enlarged at point A in the middle.

[0030] Figure 8 It is a schematic structural diagram of the limiting component in the present invention.

[0031] Figure 9 Schematic diagram of the structure of the clamping assembly in the present invention.

[0032] Figure 10 It is a structural schematic diagram of the guide component in the present invention.

[0033] In the attached figure: 1-3D printer body, 2-moving seat, 3-slide groove, 4-slider, 5-pulley, 6-rotating component, 61-fixed column, 62-rotating gear, 63-rotating rod, 64-transmission gear, 65-driving gear, 66-driving member, 67-driving rod, 7-adjusting component, 71-incomplete gear, 72-limiting groove, 73-positioning groove, 74-moving plate, 75-rack, 76-telescopic member, 8-clamping component, 81-positioning hole, 82-disc, 83-limiting hole, 84-moving rod, 85-baffle, 86-connection Block, 87-handle, 88-elastic member, 89-limiting assembly, 891-moving groove, 892-moving block, 893-clamping plate, 894-anti-slip pad, 895-first hinge seat, 896-second hinge seat, 897-connecting rod, 9-guide assembly, 91-mounting hole, 92-mounting frame, 93-mounting rod, 94-telescopic rod, 95-limiting cylinder, 96-rotating rod, 97-fixing plate, 98-limiting rod, 99-guide wheel, 10-rotating disk, 11-fixing frame, 12-support frame, 13-short rod, 14-rubber pad. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0036] like Figures 1 to 10 As shown in the embodiment provided by the present invention, a device for quickly adjusting the feeding angle of a 3D printing device includes a 3D printer body 1 and a feeding mechanism, wherein the feeding mechanism includes:

[0037] The movable seat 2 is located on the side of the 3D printer body 1. A linear slide 3 is provided on the side of the 3D printer body 1. A slider 4 is installed on the side of the movable seat 2. The slider 4 is slidably connected to the slide 3. A pulley 5 is installed at the bottom end of the movable seat 2. A rotating disk 10 is provided at the top of the movable seat 2. A fixed frame 11 is installed on the rotating disk 10. The shape of the fixed frame 11 is U-shaped. A rotating component 6 is installed between the rotating disk 10 and the movable seat 2 for driving the rotating disk 10 to adjust the position in the horizontal direction. A supporting frame 12 is installed on the fixed frame 11. A short rod 13 is installed between the supporting frame 12 and the fixed frame 11. The short rod 13 is rotatably connected to the fixed frame 11. An adjusting component 7 is installed between the supporting frame 12 and the fixed frame 11 for adjusting the angle of the supporting frame 12 on the fixed frame 11;

[0038] The support frame 12 is provided with a clamping assembly 8 for clamping wire racks of different sizes and enabling the wire racks to rotate stably. The top side of the support frame 12 is provided with a guide assembly 9 for guiding the wire between the 3D printer body 1 and the wire rack.

[0039] In this embodiment, a slide 3 and a slider 4 are provided between the movable seat 2 and the 3D printer body 1. The movable seat 2 can be adjusted in position along the slide 3. The angle of the rotating disk 10 in the horizontal direction can be adjusted by the rotating component 6. The angle of the support frame 12 on the fixed frame 11 can be adjusted by the adjusting component 7. The support frame 12 can also be adjusted to a horizontal or vertical state. A clamping component 8 is installed on the support frame 12, which can facilitate the support and limiting operation of wire racks of different diameters, ensure that the wire rack can be stably rotated, and realize stable loading. The wire can be guided by the guide component 9 to prevent the wire from affecting the printing effect during the transportation process. The feeding can be adjusted at multiple angles through the rotating component 6 and the adjusting component 7 to ensure the stability of the wire transportation and improve the feeding efficiency and feeding effect. The fixed frame 11 is vertical on the rotating disk 10, and the short rod 13 is fixedly connected to the support frame 12. A rolling bearing is installed between the short rod 13 and the fixed frame 11. The short rod 13 can rotate on the fixed frame 11, and the angle of the support frame 12 on the fixed frame 11 can be adjusted by the adjusting component 7.

[0040] In one embodiment of the present invention, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 , the rotating assembly 6 includes:

[0041] The fixed column 61 is fixedly installed in the middle of the bottom side of the rotating disk 10, and the bottom end of the fixed column 61 is rotatably connected to the moving seat 2. The outer wall of the fixed column 61 is fixedly installed with a rotating tooth 62, and the bottom end of the inner side of the moving seat 2 is installed with a vertical rotating rod 63. The bottom end of the rotating rod 63 is rotatably connected to the moving seat 2, and a transmission tooth 64 is fixedly installed on the top of the rotating rod 63. The transmission tooth 64 is meshed with the rotating tooth 62. A driving tooth 65 is installed on the outer side of the bottom end of the rotating rod 63. A driving member 66 is fixedly installed on the inner side of the moving seat 2, and a driving rod 67 is fixedly installed on the output end of the driving member 66. The driving rod 67 is matched with the driving tooth 65.

[0042] The adjustment component 7 includes:

[0043] The incomplete gear 71 is fixedly mounted on one side of the bottom end of the support frame 12. A limiting groove 72 is provided in the middle of the fixed frame 11. A positioning groove 73 is provided on the inner wall of the limiting groove 72. A movable plate 74 is provided on the inner side of the positioning groove 73. The movable plate 74 is slidably connected to the positioning groove 73. A rack 75 is mounted on the movable plate 74. The rack 75 is meshed with the incomplete gear 71. A telescopic member 76 is fixedly mounted on the rotating disk 10. The output end of the telescopic member 76 is fixedly connected to one end of the movable plate 74.

[0044] In this embodiment, a fixed column 61 is fixedly installed in the middle of the bottom side of the rotating disk 10, and a rolling bearing is installed between the bottom end of the fixed column 61 and the moving seat 2. A horizontal rotating tooth 62 is fixedly installed on the outer wall of the fixed column 61, and the rotating rod 63 is vertically installed on the moving seat 2. A rolling bearing is installed between the bottom end of the rotating rod 63 and the moving seat 2. The transmission tooth 64 at the top of the rotating rod 63 is meshed with the rotating tooth 62. When the rotating rod 63 rotates, the transmission tooth 64 can drive the rotating tooth 62 and the fixed column 61 to rotate, thereby adjusting the horizontal position of the fixed frame 11 on the rotating disk 10. A driving tooth 65 is installed on the outer side of the bottom end of the rotating rod 63. The driving tooth 65 is a worm gear in this embodiment. A driving member 66 is fixedly installed on the movable base 2. The driving member 66 can be a rotary motor or a stepping motor. In this embodiment, the driving member 66 is a rotary motor. A driving rod 67 is fixedly installed on the output end of the driving member 66. The driving rod 67 is a worm in this embodiment. The driving rod 67 is cooperated with the driving tooth 65. When the driving member 66 controls the driving rod 67 to rotate, the driving tooth 65 can drive the rotating rod 63 to rotate. The self-locking property of the worm and the worm gear can ensure the stability of the rotating disk 10 after adjustment and convenient operation.

[0045] The center of the circle of the incomplete gear 71 is located on the axis of the short rod 13, and the incomplete gear 71 and the rack 75 can realize the support frame 12 to rotate with the short rod 13 as the center of the circle to achieve angle adjustment. The fixed frame 11 is provided with a limit groove 72, and the inner wall of the limit groove 72 is provided with a positioning groove 73. The movable plate 74 is slidably connected with the positioning groove 73, and the positioning groove 73 can be used to limit the movable plate 74 so that the movable plate 74 can move along a fixed track. The shape of the movable plate 74 is L-shaped, and the movable plate 74 is fixedly mounted with a rack 75, and the rack 75 is meshed with the incomplete gear 71. When the rack 75 follows the movable plate 74 to move its position, the support frame 12 can be driven to rotate and adjust on the fixed frame 11. The telescopic member 76 can be a telescopic motor or a cylinder, etc. In this embodiment, the telescopic member 76 is a telescopic motor. By controlling the telescopic member 76, the angle of the support frame 12 on the fixed frame 11 can be adjusted, which is convenient for loading operation.

[0046] In one embodiment of the present invention, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 8 and Figure 9 , the clamping assembly 8 includes:

[0047] The positioning hole 81 is located on the support frame 12, and a disc 82 is installed on the inner side of the positioning hole 81. The disc 82 is rotatably connected to the positioning hole 81. A limiting hole 83 is provided in the middle of the disc 82, and a moving rod 84 is installed on the inner side of the limiting hole 83. A baffle 85 is installed at one end of the moving rod 84, and a connecting block 86 is fixedly installed at the other end. A handle 87 is installed on the connecting block 86, and an elastic member 88 is installed between the baffle 85 and the disc 82. The elastic member 88 is sleeved on the outer side of the moving rod 84, and a limiting component 89 is installed between the moving rod 84 and the disc 82, which is used to clamp wire material disks of different diameters when the moving rod 84 moves along the limiting hole 83.

[0048] The limiting assembly 89 includes:

[0049] The movable groove 891 is located on the disc 82, and a movable block 892 is provided on the inner side of the movable groove 891. The movable block 892 is slidingly connected to the movable groove 891. The movable block 892 is fixedly installed with a clamping plate 893 at one end close to the baffle 85. The shape of the clamping plate 893 is an arc shape, and an anti-slip pad 894 is installed on the surface of the clamping plate 893. The movable block 892 is fixedly installed with a first hinge seat 895 at one end away from the clamping plate 893. A second hinge seat 896 is installed on the connecting block 86. A connecting rod 897 is installed between the first hinge seat 895 and the second hinge seat 896. Both ends of the connecting rod 897 are rotatably connected to the first hinge seat 895 and the second hinge seat 896. The limiting assembly 89 is provided with three groups and is evenly distributed on the disc 82.

[0050] In this embodiment, a positioning hole 81 is provided on the support frame 12, and a rolling bearing is installed between the inner side of the positioning hole 81 and the disc 82, so that the disc 82 can rotate stably inside the positioning hole 81. A limiting hole 83 and a moving rod 84 are provided in the middle of the disc 82. The moving rod 84 is horizontal and can be moved along the limiting hole 83. A baffle 85 is fixedly installed at one end of the moving rod 84, and a connecting block 86 is fixedly installed at the other end. The elastic member 88 can be a spring or rubber, etc. In this embodiment, the elastic member 88 is a spring, and one end of the elastic member 88 is connected to the baffle 85 and the other end is connected to the disc 82, so as to facilitate the adjustment of the position of the moving rod 84 on the disc 82. The moving rod 84 can be moved by pulling the handle 87, and the elastic member 88 is compressed, thereby further realizing the connection between the limiting component 89 and the wire rack;

[0051] The disc 82 is provided with a moving groove 891, and a moving block 892 is provided inside the moving groove 891. The moving block 892 is slidably connected to the moving groove 891, and the moving block 892 can move in position inside the moving groove 891. A clamping plate 893 is fixedly installed at one end of the moving block 892, and the shape of the clamping plate 893 is an arc shape. A first hinge seat 895 is installed at the other end of the moving block 892, and a second hinge seat 896 is fixedly installed on the connecting block 86. A connecting rod 897 is installed between the first hinge seat 895 and the second hinge seat 896, and the two ends of the connecting rod 897 are connected to the first hinge seat 895 and the second hinge seat 896. They are all equipped with rolling bearings. When the moving rod 84 moves along the limiting hole 83, the moving block 892 can be moved along the moving groove 891 through the first hinge seat 895, the second hinge seat 896 and the connecting rod 897. When the wire rack is installed, the elastic member 88 is compressed by pulling the handle 87, so that the clamping plate 893 is close to the center of the disc 82, and then the wire rack is installed on the clamping plate 893, and the handle 87 is released. Under the elastic force of the elastic member 88, the clamping plate 893 and the wire rack can be limited and fixed. The wire rack can be stably rotated on the support frame 12 through the disc 82 to maintain stable loading.

[0052] In one embodiment of the present invention, see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 10 , the guide assembly 9 includes:

[0053] The mounting hole 91 is located on the top side of the support frame 12, and a mounting frame 92 is provided on the top side of the support frame 12. A mounting rod 93 is installed on the mounting frame 92, and the mounting rod 93 is detachably connected to the mounting hole 91. The shape of the mounting frame 92 is L-shaped, and a telescopic rod 94 is installed on the mounting frame 92. A limiting cylinder 95 is installed on the top of the telescopic rod 94, and a rotating rod 96 is installed on the inside of the limiting cylinder 95. The rotating rod 96 is rotatably connected to the limiting cylinder 95, and a fixing plate 97 is installed at one end of the rotating rod 96. A limiting rod 98 is installed on the fixing plate 97, and the limiting rod 98 is rotatably connected to the fixing plate 97. A guide wheel 99 is fixedly installed on the limiting rod 98, and two limiting rods 98 and guide wheels 99 are provided and are divided into two groups and symmetrically installed on the fixing plate 97.

[0054] In this embodiment, a mounting hole 91 is provided on the top side of the support frame 12. By connecting the mounting rod 93 with the mounting hole 91, the mounting frame 92 can be conveniently installed on the support frame 12. The top of the support frame 12 is semicircular, and a plurality of mounting holes 91 are provided and evenly distributed on the top side of the support frame 12. A rubber pad 14 is installed on the surface of the mounting frame 92 to increase the friction between the mounting frame 92 and the support frame 12; by connecting the mounting rod 93 with different mounting holes 91, the guide angle of the guide assembly 9 can be adjusted; a telescopic rod 94 is installed on the mounting frame 92, which can change the length; a rolling bearing is installed between the inner wall of the limiting cylinder 95 and the rotating rod 96, and a rolling bearing is installed between the limiting rod 98 and the fixing plate 97. The surface of the guide wheel 99 is concave, which is convenient for contacting with the wire and guiding the wire. The rotating rod 96 can be rotated on the limiting cylinder 95 to ensure the stability of the guide and avoid excessively small guide angles that cause wire wear.

[0055] The working principle of the present invention is:

[0056] In the present invention, first, the position of the movable seat 2 on the side of the 3D printer body 1 is adjusted according to the work to be printed, and then the handle 87 is pulled to make the baffle 85 close to the disc 82, compress the elastic member 88, and then the wire rack is placed on the clamping plate 893, and then the handle 87 is released. Under the action of the elastic member 88, the clamping plate 893 automatically clamps and fixes the wire rack, so that the wire rack can be stably rotated on the support frame 12, which is convenient for loading operations. Then, the guide assembly 9 is installed according to the shape of the printed work, and the wire is passed between the two guide wheels 99. Then, the wire is connected to the extruder on the 3D printer body 1, and then the driving member 66 and the telescopic member 76 are controlled according to the position of the extruder to adjust the loading angle to ensure stability during the wire transportation process, avoid material jamming, and improve the loading effect and efficiency.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0058] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method 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 can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A device for quickly adjusting the feeding angle for a 3D printing device, comprising a 3D printer body (1) and a feeding mechanism, characterized in that: The feeding mechanism comprises: The movable seat (2) is located on the side of the 3D printer body (1), and the side of the 3D printer body (1) is provided with a linear slide groove (3). The side of the movable seat (2) is provided with a slider (4), and the slider (4) is slidably connected with the slide groove (3). The bottom end of the movable seat (2) is provided with a pulley (5), and the top end of the movable seat (2) is provided with a rotating disk (10). A fixed frame (11) is installed on the rotating disk (10), and the shape of the fixed frame (11) is U-shaped. The rotating disk (10) is connected to the fixed frame (11). A rotating assembly (6) is installed between the movable seats (2) for driving the rotating disk (10) to adjust the position in the horizontal direction; a supporting frame (12) is installed on the fixed frame (11); a short rod (13) is installed between the supporting frame (12) and the fixed frame (11); the short rod (13) is rotatably connected to the fixed frame (11); an adjusting assembly (7) is installed between the supporting frame (12) and the fixed frame (11) for adjusting the angle of the supporting frame (12) on the fixed frame (11); The support frame (12) is provided with a clamping assembly (8) for clamping wire racks of different sizes and enabling the wire racks to rotate stably. The top side of the support frame (12) is provided with a guide assembly (9) for guiding the wire between the 3D printer body (1) and the wire rack. The clamping assembly (8) comprises: A positioning hole (81) is located on the support frame (12); a disc (82) is installed inside the positioning hole (81); the disc (82) is rotatably connected to the positioning hole (81); a limiting hole (83) is provided in the middle of the disc (82); a moving rod (84) is installed inside the limiting hole (83); a baffle (85) is installed at one end of the moving rod (84); a connecting block (86) is fixedly installed at the other end; a handle (87) is installed on the connecting block (86); an elastic member (88) is installed between the baffle (85) and the disc (82); the elastic member (88) is sleeved on the outside of the moving rod (84); a limiting assembly (89) is installed between the moving rod (84) and the disc (82), for clamping wire material discs of different diameters when the moving rod (84) moves along the limiting hole (83); The limiting assembly (89) comprises: The movable groove (891) is located on the disc (82), and a movable block (892) is provided inside the movable groove (891). The movable block (892) is slidably connected to the movable groove (891). A clamping plate (893) is fixedly installed at one end of the movable block (892) close to the baffle (85). The shape of the clamping plate (893) is an arc shape. An anti-slip pad (894) is installed on the surface of the clamping plate (893). The movable block (892) is far away from the baffle (85). A first hinge seat (895) is fixedly installed at one end of the clamping plate (893), a second hinge seat (896) is installed on the connecting block (86), a connecting rod (897) is installed between the first hinge seat (895) and the second hinge seat (896), both ends of the connecting rod (897) are rotatably connected to the first hinge seat (895) and the second hinge seat (896), and the limiting assembly (89) is provided with three groups and is evenly distributed on the disc (82).

2. The device for quickly adjusting the feeding angle of a 3D printing device according to claim 1, characterized in that: The rotating assembly (6) comprises: A fixed column (61) is fixedly mounted on the middle portion of the bottom side of the rotating disk (10); the bottom end of the fixed column (61) is rotatably connected to the movable seat (2); a rotating tooth (62) is fixedly mounted on the outer wall of the fixed column (61); a vertical rotating rod (63) is mounted on the bottom end of the inner side of the movable seat (2); the bottom end of the rotating rod (63) is rotatably connected to the movable seat (2); a transmission tooth (64) is fixedly mounted on the top end of the rotating rod (63); the transmission tooth (64) is meshedly connected with the rotating tooth (62); a driving tooth (65) is mounted on the outer side of the bottom end of the rotating rod (63); a driving member (66) is fixedly mounted on the inner side of the movable seat (2); a driving rod (67) is fixedly mounted on the output end of the driving member (66); and the driving rod (67) is matched and connected with the driving tooth (65).

3. The device for quickly adjusting the feeding angle of a 3D printing device according to claim 2, characterized in that: The regulating component (7) comprises: An incomplete gear (71) is fixedly mounted on one side of the bottom end of the support frame (12); a limiting groove (72) is provided in the middle of the fixed frame (11); a positioning groove (73) is provided on the inner wall of the limiting groove (72); a movable plate (74) is provided on the inner side of the positioning groove (73); the movable plate (74) is slidably connected to the positioning groove (73); a rack (75) is mounted on the movable plate (74); the rack (75) is meshed with the incomplete gear (71); a telescopic member (76) is fixedly mounted on the rotating disk (10); an output end of the telescopic member (76) is fixedly connected to one end of the movable plate (74).

4. The device for quickly adjusting the feeding angle of a 3D printing device according to claim 1, wherein: The guide assembly (9) comprises: The mounting hole (91) is located on the top side of the support frame (12). The top side of the support frame (12) is provided with a mounting frame (92). A mounting rod (93) is installed on the mounting frame (92). The mounting rod (93) is detachably connected to the mounting hole (91). The mounting frame (92) is L-shaped. A telescopic rod (94) is installed on the mounting frame (92). A limiting cylinder (95) is installed on the top of the telescopic rod (94). The limiting cylinder (95) is installed inside. A rotating rod (96) is rotatably connected to the limiting cylinder (95). A fixed plate (97) is installed at one end of the rotating rod (96). A limiting rod (98) is installed on the fixed plate (97). The limiting rod (98) is rotatably connected to the fixed plate (97). A guide wheel (99) is fixedly installed on the limiting rod (98). Two limiting rods (98) and two guide wheels (99) are provided and are divided into two groups and symmetrically installed on the fixed plate (97).

5. The device for quickly adjusting the feeding angle of a 3D printing device according to claim 4, characterized in that: The top end of the support frame (12) is semicircular in shape, a plurality of mounting holes (91) are provided and evenly distributed on the top side of the support frame (12), and a rubber pad (14) is installed on the surface of the mounting frame (92) to increase the friction between the mounting frame (92) and the support frame (12).

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