Guide rail sliding seat, moving module and 3D printer

Abstract

The utility model discloses a moving module and a 3D printer, a guide rail sliding seat is configured to be connected with an X-axis guide rail and slide on a Y-axis transmission shaft, the guide rail sliding seat comprises a shell and a synchronous belt wheel set, the shell is provided with a first connecting part and a second connecting part, the first connecting part is configured to be connected with the X-axis guide rail, and the second connecting part is configured to be connected with the Y-axis transmission shaft; the second connecting part is configured to be connected with a Y-axis transmission shaft; the synchronous belt wheel set at least comprises a first synchronous belt wheel and a second synchronous belt wheel, and the first synchronous belt wheel and the second synchronous belt wheel are arranged on the upper side and the lower side of the second connecting part in the Z-axis direction respectively. During use, a first synchronous belt wheel and a second synchronous belt wheel are arranged, and synchronous belt sets can be connected to the upper side and the lower side of a second connecting part, so that the synchronous belt sets are distributed up and down to apply acting force to the upper side and the lower side of the printing spray head, and the printing spray head is stressed more uniformly; and the moving stability of the printing nozzle is improved, and the printing quality of the 3D printer is improved.

Description

Technical Field

[0001] The present application relates to the field of 3D printing technology, and in particular to a guide rail sliding seat, a moving module and a 3D printer. Background Art

[0002] In the prior art, the print head module of the 3D printer is subjected to uneven force, resulting in poor movement stability of the print head module and thus reducing the model printing quality. Therefore, it is necessary to provide a guide rail sliding seat, a moving module and a 3D printer that can improve the movement stability of the print head assembly and the model printing quality. Utility Model Content

[0003] The purpose of the present application is to solve the above-mentioned problem and to provide a guide rail sliding seat, a mobile module and a 3D printer.

[0004] In order to solve the above technical problems, the technical solutions adopted in this application are as follows:

[0005] In a first aspect, the present application provides a guide rail sliding seat, which is configured to be connected to an X-axis guide rail and slide on a Y-axis transmission shaft, comprising: a housing, on which a first connecting portion and a second connecting portion are arranged perpendicular to each other, the first connecting portion is configured to be connected to the X-axis guide rail, and the second connecting portion is configured to be connected to the Y-axis transmission shaft;

[0006] The synchronous belt pulley set comprises at least a first synchronous belt pulley and a second synchronous belt pulley, wherein the first synchronous belt pulley and the second synchronous belt pulley are respectively arranged at upper and lower sides of the second connecting portion in the Z-axis direction.

[0007] Preferably, the first synchronous pulley and the second synchronous pulley are arranged diagonally along the second connecting portion.

[0008] Preferably, the X-axis guide rail includes a guide rail support and a linear guide rail arranged on the guide rail support, the guide rail support is a hollow tubular structure, and the first connecting part extends into the guide rail support; the Y-axis transmission shaft is arranged through the second connecting part, and the second connecting part is provided with a hole for the Y-axis transmission shaft to pass through.

[0009] In the second aspect, the present application provides a mobile module, including a synchronous belt group and a guide rail sliding seat as described above; the guide rail sliding seat is symmetrically arranged at both ends of the X-axis guide rail, and the Y-axis transmission shaft is vertically arranged at both ends of the X-axis guide rail; the synchronous belt group includes a synchronous belt, a synchronous wheel and a driving member, the synchronous wheel includes a driving wheel and a driven wheel, and the driving wheel is driven by the driving member; the synchronous belt is respectively connected to the driving wheel, the driven wheel and the guide rail sliding seat.

[0010] Preferably, the first synchronous belt pulley and the second synchronous belt pulley on the symmetrically arranged guide rail sliding seat are staggered.

[0011] Preferably, the synchronous belt group includes a first synchronous belt group and a second synchronous belt group respectively arranged on the upper and lower sides of the area enclosed by the Y-axis transmission shaft, the first synchronous belt group is connected to the first synchronous belt pulley for transmission, and the second synchronous belt group is connected to the second synchronous belt pulley for transmission.

[0012] Preferably, the synchronous belt set comprises a tensioning mechanism, and the tensioning mechanism is configured to adjust the tension of the synchronous belt; the tensioning mechanism comprises an automatic tensioning mechanism and / or a manual tensioning mechanism.

[0013] Preferably, the automatic tensioning mechanism includes a detection component, a tensioning motor, and a first tensioning wheel assembly driven by the tensioning motor; the detection component is configured to detect the state of the synchronous belt, and the tensioning motor is electrically connected to the detection component; the first tensioning wheel assembly includes a first transmission block connected to the rotating end of the tensioning motor, and a first tensioning wheel rotatably fixed on the first transmission block; the first tensioning wheel is connected to the synchronous belt transmission.

[0014] Preferably, the manual tensioning mechanism includes a second transmission member and a second tensioning wheel rotatably fixed to the second transmission member, the second tensioning wheel is connected to the synchronous belt transmission, and the movement of the second transmission member drives the second tensioning wheel to move, so as to achieve tension adjustment of the synchronous belt.

[0015] In a third aspect, the present application provides a 3D printer, comprising a chassis and the mobile module as described above, wherein the chassis is provided with an electrical installation chamber, the mobile module is arranged on the top of the chassis, and the tensioning mechanism is arranged in the electrical installation chamber.

[0016] The beneficial effects of this application include at least:

[0017] The present application provides a guide rail sliding seat, a moving module and a 3D printer, wherein the guide rail sliding seat is used to be connected to an X-axis guide rail and slide on a Y-axis transmission shaft, and the guide rail sliding seat includes a synchronous pulley group, and the synchronous pulley group includes at least a first synchronous pulley and a second synchronous pulley arranged on upper and lower sides of a second connecting portion. When in use, the first synchronous pulley and the second synchronous pulley are arranged to connect the synchronous belt group on upper and lower sides of the second connecting portion, so that the synchronous belt group is distributed up and down to apply a force to the upper and lower sides of a printing nozzle, so that the force on the printing nozzle is more uniform, thereby improving the stability of the movement of the printing nozzle, and thereby improving the printing quality of the 3D printer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of the structure of the guide rail sliding seat of the present application;

[0019] Figure 2 It is a schematic diagram of the assembly of the X-axis guide rail and the guide rail sliding seat;

[0020] Figure 3 It is a cross-sectional schematic diagram of the connection between the X-axis guide rail and the guide rail sliding seat;

[0021] Figure 4 This is a schematic diagram of the structure of the mobile module of this application;

[0022] Figure 5 It is a structural schematic diagram of the tensioning mechanism;

[0023] Figure 6 This is a schematic diagram of the structure of the 3D printer of this application.

[0024] Among them, 1-guide rail sliding seat, 11-first connecting part, 12-second connecting part, 13-first synchronous pulley, 14-second synchronous pulley, 2-X-axis guide rail, 21-guide rail support, 22-linear guide rail, 3-Y-axis transmission shaft, 41-first synchronous belt group, 42-second synchronous belt group, 5-tensioning mechanism, 51-automatic tensioning mechanism, 511-tensioning motor, 512-first tensioning wheel assembly, 52-manual tensioning mechanism, 521-second transmission member, 522-second tensioning wheel, 6-print nozzle, 7-printing platform, 8-second movable module. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present application are given in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0028] In this application, descriptions such as “first”, “second”, etc. are only used for descriptive purposes and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features.

[0029] In the description of the present application, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings and is only for the convenience of describing the present application and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0030] Example

[0031] This embodiment discloses a guide rail sliding seat, which is configured to be connected to the X-axis guide rail 2 and slide on the Y-axis transmission shaft 3. Figure 1 As shown, the guide rail sliding seat includes:

[0032] A housing, wherein the housing is provided with a first connecting portion 11 and a second connecting portion 12 which are arranged perpendicular to each other, wherein the first connecting portion 11 is configured to be connected to the X-axis guide rail 2, and the second connecting portion 12 is configured to be connected to the Y-axis transmission shaft 3;

[0033] The synchronous pulley group at least includes a first synchronous pulley 13 and a second synchronous pulley 14, and the first synchronous pulley 13 and the second synchronous pulley 14 are respectively arranged on the upper and lower sides of the second connecting part 12 in the Z-axis direction. The guide rail sliding seat described in the present application includes a synchronous pulley group, and the synchronous pulley group at least includes a first synchronous pulley and a second synchronous pulley arranged on the upper and lower sides of the second connecting part. When in use, the arrangement of the first synchronous pulley and the second synchronous pulley can connect the synchronous belt group on the upper and lower sides of the second connecting part, so that the synchronous belt group is distributed up and down to apply force to the upper and lower sides of the printing nozzle, so that the force on the printing nozzle is more uniform, the stability of the movement of the printing nozzle is improved, and the printing quality of the 3D printer is improved.

[0034] Further, in some embodiments, the first synchronous pulley 13 and the second synchronous pulley 14 are disposed along the diagonal distribution of the second connecting portion 12 .

[0035] See also Figure 2 and Figure 3As shown, the X-axis guide rail 2 includes a guide rail support 21 and a linear guide rail 22 arranged on the guide rail support 21. The guide rail support 21 is a hollow tubular structure. The first connecting portion 11 extends into the guide rail support 21. The Y-axis transmission shaft 3 is arranged through the second connecting portion 12. The second connecting portion 12 is provided with a hole for the Y-axis transmission shaft 3 to pass through. The arrangement of the first connecting portion 11 improves the installation stability of the X-axis guide rail 2 and strengthens the connection strength between the X-axis guide rail 2 and the guide rail sliding seat 1. The linear guide rail 22 is fixedly installed on the guide rail support 21 through a fixed connecting member.

[0036] The present application also discloses a mobile module, see Figures 2 to 4 As shown, the moving module includes a synchronous belt group and the guide rail sliding seat 1 as described above; wherein the synchronous belt group is configured to drive the print head 6 to move, and the print head 6 is slidably connected to the X-axis guide rail 2; the guide rail sliding seat 1 is symmetrically arranged at both ends of the X-axis guide rail 2, and the Y-axis transmission shaft 3 is vertically arranged at both ends of the X-axis guide rail 2. The synchronous belt group includes a synchronous belt, a synchronous wheel and a driving member, and the synchronous wheel includes a driving wheel and a driven wheel, and the driving wheel is driven by the driving member; the synchronous belt is respectively connected to the driving wheel, the driven wheel and the guide rail sliding seat 1. Specifically, in some embodiments, the first synchronous belt set 41 includes a first synchronous belt, a first driving wheel, a first driven wheel and a first driving member; the first synchronous belt is respectively connected to the first driving wheel, the second driven wheel and the first synchronous belt pulley 13, and the first driving member is configured to drive the first driving wheel to rotate; the second synchronous belt set 42 includes a second synchronous belt, a second driving wheel, a second driven wheel and a second driving member, the second driving member is configured to drive the first driving wheel to rotate, and the second synchronous belt is respectively connected to the second driving wheel, the second driven wheel and the second synchronous belt pulley 14. The first synchronous belt passes through the upper part of the print head 6 and is connected to the upper part of the print head 6, and the second synchronous belt passes through the lower part of the print head 6 and is connected to the lower part of the print head 6.

[0037] Further preferably, the first synchronous pulley 13 and the second synchronous pulley 14 on the symmetrically arranged guide rail sliding seat 1 are staggered. The distribution arrangement of the first synchronous pulley 13 and the second synchronous pulley 14 at both ends of the X-axis guide rail improves the force uniformity of the print head 6 and improves the stability of the movement of the print head 6.

[0038] The synchronous belt set includes a first synchronous belt set 41 and a second synchronous belt set 42 respectively arranged on the upper and lower sides of the area surrounded by the Y-axis transmission shaft 3, the first synchronous belt set 41 is in transmission connection with the first synchronous belt pulley 13, and the second synchronous belt set 42 is in transmission connection with the second synchronous belt pulley 14. The first synchronous belt set 41 is connected to the upper part of the print head 6, and the second synchronous belt set 42 is connected to the lower part of the print head 6. In this embodiment, the noun of the direction "up" refers to the direction away from the installation plane of the 3D printer, and "down" refers to the direction close to the installation plane of the 3D printer. In the present application, the first synchronous belt group 41 and the second synchronous belt group 42 are respectively arranged on the upper side and the lower side of the area enclosed by the Y-axis transmission shaft 3, and the first synchronous belt group 41 and the second synchronous belt group 42 are respectively connected to the upper side and the lower side of the print head 6 for transmission. When in use, the first synchronous belt group 41 and the second synchronous belt group 42 simultaneously apply force to the upper and lower sides of the print head 6, so that the force on the print head 6 is more uniform, thereby improving the stability of the movement of the print head 6, and thus improving the printing quality of the 3D printer.

[0039] See also Figure 5 As shown, in some embodiments, the synchronous belt group includes a tensioning mechanism 5, and the tensioning mechanism 5 is configured to adjust the tension of the synchronous belt; the tensioning mechanism 5 includes an automatic tensioning mechanism 51 and / or a manual tensioning mechanism 52. The automatic tensioning mechanism 51 is configured to automatically adjust the tension of the synchronous belt to avoid frequent operations by the user, improve the overall convenience of operation of the 3D printer, and improve the user experience; the manual tensioning mechanism 52 can manually adjust the tension of the synchronous belt when the automatic tensioning mechanism 51 fails, ensure timely tension adjustment of the synchronous belt, and ensure synchronous transmission between the synchronous belts. Specifically, the tensioning mechanisms are respectively provided on the first synchronous belt group and the second synchronous belt group.

[0040] The automatic tensioning mechanism 51 includes a detection component, a tensioning motor 511, and a first tensioning wheel assembly 512 driven by the tensioning motor 511; the detection component is configured to detect the state of the synchronous belt, and the tensioning motor 511 is electrically connected to the detection component. When in use, the tensioning motor 511 and the detection component cooperate to adjust the tension of the synchronous belt; the first tensioning wheel assembly 512 includes a first transmission block connected to the rotating end of the tensioning motor 511, and a first tensioning wheel rotatably fixed on the first transmission block; the first tensioning wheel is connected to the synchronous belt transmission.

[0041] During use, the detection component detects the driving state of the synchronous belt, and the tensioning motor 511 drives the first transmission member to drive the first tensioning wheel to move according to the detection information of the detection component, so as to perform tensioning adjustment on the synchronous belt. Specifically, the first transmission block is in a U shape, including a first side wall arranged in parallel and a second side wall vertically arranged between the first side walls. The first tensioning wheel is arranged between the first side walls, and the second side wall is connected to the tensioning motor 511. Optionally, the detection component can be a mechanical sensing detection component, an optoelectronic sensing detection component or a Hall sensor detection component; preferably, the detection component is a Hall sensor detection component.

[0042] The manual tensioning mechanism 52 includes a second transmission member 521 and a second tensioning wheel 522 rotatably fixed on the second transmission member 521. The second tensioning wheel 522 is in transmission connection with the synchronous belt. The movement of the second transmission member 521 drives the second tensioning wheel 522 to move, so as to realize the tensioning adjustment of the synchronous belt. Specifically, the second transmission member 521 is provided with a tensioning adjustment hole, and an adjusting member is arranged in the tensioning adjustment hole. During use, the adjusting member is adjusted to drive the second transmission member 521 to move, and then drive the synchronous belt to move to realize the tensioning adjustment of the synchronous belt. The adjusting member is in threaded fit connection with the tensioning adjustment hole; preferably, the adjusting member is an internal hexagonal bolt. During use, a hexagonal wrench is used to adjust the adjusting member, so that the second transmission member 521 moves, and then drives the second transmission member 521 to drive the synchronous belt to displace to realize the tensioning adjustment of the synchronous belt.

[0043] The embodiment of the present invention also discloses a 3D printer. Refer to Figure 6 As shown, the 3D printer includes a chassis and the moving module as described above. An electrical installation chamber is arranged in the chassis. The moving module is arranged on the top of the chassis, and the tensioning mechanism 5 is arranged in the electrical installation chamber. Specifically, the chassis includes a frame body, and the synchronous wheel in the moving module is connected to the top of the frame body. Preferably, in some embodiments, the synchronous wheel is arranged in the corner area of the top of the frame body. The chassis is provided with a hole structure corresponding to the tensioning adjustment hole.

[0044] The 3D printer also includes a printing platform 7 and a second mobile module 8; the second mobile module 8 is configured to drive the printing platform 7 to rise and fall along the z-axis; the second mobile module 8 includes a lifting drive, a lifting transmission rod driven by the drive, and a lifting transmission member connected to the lifting transmission rod; the lifting transmission rod is arranged along the z-axis direction, and the printing platform 7 is connected to the lifting transmission member. In the embodiment of the present application, the X-axis, Y-axis and Z-axis are arranged perpendicular to each other in space. When in use, the lifting drive drives the lifting transmission rod to rotate, drives the lifting transmission member to move along the lifting transmission rod, and then drives the printing platform 7 to rise and fall along the z-axis.

[0045] In some embodiments, the lifting drive member and the lifting transmission rod are arranged in a one-to-one correspondence; in other embodiments, the lifting drive rod is driven by one of the lifting drive members, and the lifting drive member and the transmission rod are respectively connected through a lifting synchronous belt assembly.

[0046] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] The above embodiments only express the preferred implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A guide rail sliding seat, characterized in that: It is configured to connect with the X-axis guide rail and slide on the Y-axis transmission shaft, including: A housing, wherein the housing is provided with a first connecting portion and a second connecting portion which are perpendicularly arranged to each other, the first connecting portion is configured to be connected to the X-axis guide rail, and the second connecting portion is configured to be connected to the Y-axis transmission shaft; The synchronous belt pulley set comprises at least a first synchronous belt pulley and a second synchronous belt pulley, wherein the first synchronous belt pulley and the second synchronous belt pulley are respectively arranged at upper and lower sides of the second connecting portion in the Z-axis direction.

2. The guide rail sliding seat according to claim 1, characterized in that: The first synchronous pulley and the second synchronous pulley are arranged diagonally along the second connecting portion.

3. The guide rail sliding seat according to claim 1, characterized in that: The X-axis guide rail includes a guide rail support and a linear guide rail arranged on the guide rail support, the guide rail support is a hollow tubular structure, and the first connecting part extends into the guide rail support; the Y-axis transmission shaft is arranged through the second connecting part, and the second connecting part is provided with a hole for the Y-axis transmission shaft to pass through.

4. A mobile module, characterized in that: It includes a synchronous belt group and a guide rail sliding seat as described in any one of claims 1 to 3; the guide rail sliding seat is symmetrically arranged at both ends of the X-axis guide rail, and the Y-axis transmission shaft is vertically arranged at both ends of the X-axis guide rail; the synchronous belt group includes a synchronous belt, a synchronous wheel and a driving member, the synchronous wheel includes a driving wheel and a driven wheel, and the driving wheel is driven by the driving member; the synchronous belt is respectively connected to the driving wheel, the driven wheel and the guide rail sliding seat.

5. The mobile module according to claim 4, characterized in that: The first synchronous belt wheel and the second synchronous belt wheel on the symmetrically arranged guide rail sliding seat are staggered.

6. The mobile module according to claim 4, characterized in that: The synchronous belt group includes a first synchronous belt group and a second synchronous belt group respectively arranged on the upper and lower sides of the area surrounded by the Y-axis transmission shaft, the first synchronous belt group is connected to the first synchronous belt pulley for transmission, and the second synchronous belt group is connected to the second synchronous belt pulley for transmission.

7. The mobile module according to claim 4, characterized in that: The synchronous belt set includes a tensioning mechanism, and the tensioning mechanism is configured to adjust the tension of the synchronous belt; the tensioning mechanism includes an automatic tensioning mechanism and / or a manual tensioning mechanism.

8. The mobile module according to claim 7, characterized in that: The automatic tensioning mechanism comprises a detection assembly, a tensioning motor, and a first tensioning wheel assembly driven by the tensioning motor; the detection assembly is configured to detect the state of the synchronous belt, and the tensioning motor is electrically connected to the detection assembly; the first tensioning wheel assembly comprises a first transmission block connected to the rotating end of the tensioning motor, and a first tensioning wheel rotatably fixed to the first transmission block; The first tensioning wheel is drivingly connected to the synchronous belt.

9. The mobile module according to claim 7, characterized in that: The manual tensioning mechanism includes a second transmission member and a second tensioning wheel rotatably fixed to the second transmission member, the second tensioning wheel is connected to the synchronous belt transmission, and the movement of the second transmission member drives the second tensioning wheel to move, so as to achieve tension adjustment of the synchronous belt.

10. A 3D printer, characterized in that: It comprises a chassis and a mobile module as described in any one of claims 4 to 9, wherein an electrical installation chamber is provided in the chassis, the mobile module is arranged on the top of the chassis, and the tensioning mechanism is arranged in the electrical installation chamber.

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