Four-axis linkage device for 3D printer
By introducing a four-axis linkage device into the 3D printer, and utilizing the chuck assembly and shock absorption device, the problem of rough surface of the printed parts was solved, achieving higher printing accuracy and smoothness, and avoiding subsequent sanding.
Patent Information
- Application Number
- CN202422977743.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing 3D printers produce relatively rough surfaces and small bumps when printing parts with complex curved surfaces or internal structures, requiring subsequent sanding.
It adopts a four-axis linkage device, including a frame, printing platform, chuck assembly and top alignment assembly. The chuck assembly drives the printed parts to rotate, and combined with the shock absorption device, it ensures printing accuracy and surface smoothness.
It improves the smoothness of the printed surface, reduces the appearance of small bumps, avoids subsequent sanding operations, and improves print quality.
Smart Images

Figure CN223631022U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to technical field especially a four -axis linkage device for 3D printer. BACKGROUND
[0002] The existing 3D printer generally adopts three -axis linkage system, namely is provided with X -axis, Y -axis and Z -axis, is used for controlling the movement of printing head and the lifting of printing platform, however when printing some complex curved surface or internal structure complex printing piece, printing piece surface is rough, and printing piece surface is easy to appear small bump, needs subsequent polishing processing to printing piece, therefore, need a four -axis linkage device for 3D printer. SUMMARY
[0003] The utility model provides a four -axis linkage device for 3D printer can effectively solve above -mentioned problem.
[0004] The utility model is realized as follows:
[0005] The utility model provides a four -axis linkage device for 3D printer, include: frame and printing platform, the frame is provided with X -axis moving track, Y -axis moving track and Z -axis moving track, the printing platform includes: dog clutch assembly, and the counter -top assembly and the object table, the object table sets up in Z -axis moving track, dog clutch assembly with the counter -top assembly with the both sides of the object table of setting in the opposing mode.
[0006] As further improved, the X-axis moving track includes: a print head, a first slider, and a plurality of first sliding rods, the print head is fixedly arranged on the first slider, the first slider is slidably arranged on the first sliding rod, and the first sliding rod is connected with the Y-axis moving track at both ends.
[0007] As further improved, the Y-axis moving track includes: a second slider, a second sliding rod, the second slider is slidably arranged on the second sliding rod, and the first sliding rod is fixedly arranged on the second slider.
[0008] As further improved, the Z-axis moving track includes: a third slider, a third sliding rod, and a damping device, the third slider is slidably arranged on the third sliding rod, the object table is connected with the third slider, and the damping device is arranged at the connection between the object table and the third slider.
[0009] As further improved, the dog clutch assembly includes: a chuck, a transmission member, and a motor, the motor is connected with the chuck through the transmission member, and the chuck is provided with a plurality of dog claws.
[0010] As a further improvement, the pair of top assembly includes: support, thimble, adjusting bolt and stopper, the support is provided with a through hole, the through hole is slidably provided with the thimble and adjusting bolt, a plurality of stoppers are arranged on the support.
[0011] As a further improvement, the plurality of adjusting holes are arranged on the object table.
[0012] The beneficial effects of the present application are as follows:
[0013] The present application has the beneficial effects that: BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0015] Figure 1 is the overall structure schematic diagram of the four-axis linkage device for 3D printer of the present application.
[0016] Figure 2 is the four-axis linkage system structure schematic diagram of the four-axis linkage device for 3D printer of the present application.
[0017] Figure 3 is the printing platform structure schematic diagram of the four-axis linkage device for 3D printer of the present application Figure 1 .
[0018] Figure 4 is the printing platform structure schematic diagram of the four-axis linkage device for 3D printer of the present application Figure 2 .
[0019] Figure 5 is the pair of top assembly structure schematic diagram of the four-axis linkage device for 3D printer of the present application.
[0020] In the figure: 1-frame, 11-X-axis moving track, 111-printing head, 112-first slider, 113-first sliding rod, 12-Y-axis moving track, 121-second slider, 122-second sliding rod, 13-Z-axis moving track, 131-third slider, 132-third sliding rod, 133-damping device, 2-printing platform, 21-chuck assembly, 211-chuck, 212-transmission part, 213-motor, 22-pair of top assembly, 221-bracket, 222-thimble, 223-adjusting bolt, 224-stop, 23-object table, 231-adjusting hole, 3-printing piece. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments but not all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.
[0022] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0023] Referring to Figures 1-5 As shown in the figure, a four-axis linkage device for a 3D printer comprises a frame 1, a printing platform 2 and a printing piece 3.
[0024] The rack 1 is provided with an X-axis moving track 11, a Y-axis moving track 12 and a Z-axis moving track 13, both ends of the X-axis moving track 11 are connected with the Y-axis moving track 12, both ends of the Y-axis moving track 12 are fixedly connected to the rack 1, the Z-axis moving track 13 is arranged at the lower end of the Y-axis moving track 12, the printing platform 2 comprises a jaw assembly 21, a counter-jaw assembly 22 and a carrier table 23; the carrier table 23 is arranged on the Z-axis moving track 13; the jaw assembly 21 and the counter-jaw assembly 22 are arranged on both sides of the carrier table 23 in an opposite manner, and the four-axis linkage printing of the printer is realized by arranging the jaw assembly 21 and the counter-jaw assembly 22.
[0025] Further, the X-axis moving track 11 comprises a printing head 111, a first sliding block 112 and a plurality of first sliding rods 113, the printing head 111 is fixedly arranged on the first sliding block 112, the first sliding block 112 is slidingly arranged on the first sliding rods 113, and both ends of the first sliding rods 113 are connected with the Y-axis moving track 12; the Y-axis moving track 12 comprises a second sliding block 121 and a second sliding rod 122, the second sliding block 121 is slidingly arranged on the second sliding rod 122, and the first sliding rods 113 are fixedly arranged on the second sliding block 121, so that the printing head 111 realizes the XY two-axis linkage movement; the Z-axis moving track 13 comprises a third sliding block 131, a third sliding rod 132 and a damping device 133, the third sliding block 131 is slidingly arranged on the third sliding rod 132, the third sliding rod 132 is arranged on both sides of the rack 1 in an opposite manner, the carrier table 23 is connected to the third sliding block 131, so that the carrier table 23 can move up and down, thereby realizing the three-axis linkage movement of the printer, and the damping device 133 is arranged at the connection between the carrier table 23 and the third sliding block 131, the damping device 133 comprises a connecting shaft and a spring, the spring is arranged to avoid the up-and-down floating of the carrier table 23 during the rotation of the printing piece, thereby avoiding the decrease of the printing precision and affecting the quality of the printing piece.
[0026] Further, the object table 23 is provided with a plurality of adjusting holes 231, the adjusting holes 231 are used for adjusting the distance between the jaw assembly 21 and the jacking assembly 22, so that it can adapt to different lengths of the printed object, the jaw assembly 21 comprises a chuck 211, a transmission member 212 and a motor 213, the motor 213 is connected with the chuck 211 through the transmission member 212, the chuck 211 is provided with a plurality of jaws, in the embodiment, the transmission member 212 adopts a belt transmission, the jacking assembly 22 comprises a bracket 221, a jacking pin 222, an adjusting bolt 223 and a stopper 224, the bracket 221 is provided with a through hole, the jacking pin 222 and the adjusting bolt 223 are slidably arranged in the through hole, the jacking pin 222 is arranged on the side close to the jaw assembly 21, the adjusting bolt 223 is arranged on the side away from the jaw assembly 21, the end of the jacking pin 222 is connected with the front end of the adjusting bolt 223, the jacking pin 222 is arranged to make the printed object more stable, avoid the end of the printed object away from the jaw assembly 21 swinging in the process of rotation, and affect the curved surface printing effect, a plurality of stoppers 224 are arranged on the bracket 221, the stoppers 224 are used for locking the positions of the jacking pin 222 and the adjusting bolt 223, in the embodiment, the stoppers 224 are arranged as pin shafts, can be quickly inserted to lock the jacking pin 222 and the adjusting bolt 223, and can be quickly pulled out to unlock.
[0027] The above only describes the preferred embodiments of the present application and is not used to limit the present application, for those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A four-axis linkage device for a 3D printer, characterized in that, include: The rack (1) and the printing platform (2); The frame (1) is provided with an X-axis moving track (11), a Y-axis moving track (12) and a Z-axis moving track (13); The printing platform (2) includes: a gripper assembly (21), a top-aligning assembly (22), and a stage (23); the stage (23) is disposed on the Z-axis moving track (13); the gripper assembly (21) and the top-aligning assembly (22) are disposed opposite each other on both sides of the stage (23).
2. The four-axis linkage device for a 3D printer according to claim 1, characterized in that, The X-axis moving track (11) includes: a print head (111), a first slider (112) and multiple first sliding rods (113). The print head (111) is fixedly mounted on the first slider (112), and the first slider (112) is slidably mounted on the first sliding rods (113). The two ends of the first sliding rods (113) are connected to the Y-axis moving track (12).
3. A four-axis linkage device for a 3D printer according to claim 2, characterized in that, The Y-axis moving track (12) includes: a second slider (121) and a second sliding rod (122); the second slider (121) is slidably disposed on the second sliding rod (122), and the first sliding rod (113) is fixedly disposed on the second slider (121).
4. A four-axis linkage device for a 3D printer according to claim 1, characterized in that, The Z-axis moving track (13) includes: a third slider (131), a third sliding rod (132), and a shock absorption device (133). The third slider (131) is slidably disposed on the third sliding rod (132). The platform (23) is connected to the third slider (131). The shock absorption device (133) is provided at the connection between the platform (23) and the third slider (131).
5. A four-axis linkage device for a 3D printer according to claim 1, characterized in that, The jaw assembly (21) includes a chuck (211), a transmission component (212), and a motor (213). The motor (213) is connected to the chuck (211) through the transmission component (212). The chuck (211) is provided with multiple jaws.
6. A four-axis linkage device for a 3D printer according to claim 1, characterized in that, The top assembly (22) includes: a bracket (221), a pin (222), an adjusting bolt (223), and a stop (224). The bracket (221) has a through hole, and the pin (222) and the adjusting bolt (223) are slidably disposed in the through hole. A plurality of stop (224) are provided on the bracket (221).
7. A four-axis linkage device for a 3D printer according to claim 1, characterized in that, The stage (23) is provided with multiple adjustment holes (231).