CN204172354U - Portable 3D printer - Google Patents

Abstract

The utility model discloses a portable 3D printer, which comprises a vertical column, a lower fixed seat, a moving structure in the z-axis direction, a moving structure in the y-axis direction, a base, the base is connected with the moving structure in the y-axis direction, and the moving structure in the y-axis direction is connected with the moving structure in the y-axis direction. Mobile connection in the z-axis direction, the printing structure is connected with the moving structure in the x-axis direction, the moving structure in the z-axis direction includes a z-axis direction driving motor, a vertical screw, and a nut that cooperates with the lead screw, and the z-axis direction driving motor is fixedly connected to the motor connecting plate On the top, the bottom of the motor connection plate is connected with the lower fixing seat, the nut is nested in the axial sleeve, the end of the axial sleeve is provided with an axial positioning plate, and the axial positioning plate is fixedly connected with the axial sleeve through screws, and the axial The sleeve is connected to the first support plate of the moving structure in the y-axis direction, and the output shaft at the upper end of the driving motor in the z-axis direction is connected to the lower end of the vertical lead screw. The utility model adopts the connection between the nut and the lead screw, has high transmission precision, is convenient to adjust, and is convenient to popularize.

Description

Portable 3D Printer

technical field

The utility model relates to the technical field of 3D printing equipment, in particular to a portable 3D printer.

Background technique

The 3D printers in the prior art have complex structures, heavy weight, and high cost, which limits their promotion and utilization in the market. At the same time, they are relatively large in size, uncompact in structure, and relatively high in purchase, use and maintenance costs, which affect the use of the product market. and scale. At the same time, with the development of 3D printer technology, there are huge demand groups in institutions of higher learning and scientific research institutes, so there is an urgent need to develop small portable 3D printers with simple structure and easy maintenance, so that 3D printing technology can benefit ordinary consumers. Provide reliable testing and processing equipment for product development and scientific experiments in various industries, and promote the transformation of technology into real productivity.

Utility model content

The purpose of this utility model is to provide a portable 3D printer to solve the above-mentioned problems existing in the prior art; the utility model adopts a nut connected to a lead screw, has high transmission precision, and has a simple structure. The groove-shaped square profile structure and the matching and connecting right-angle profile connectors can meet the use requirements without complicated machining, reduce manufacturing and use costs, and are easy to install and adjust, and easy to popularize.

The technical scheme that the utility model solves technical problem is:

A portable 3D printer, comprising a vertical column, a lower fixing seat connected to the vertical column, a printing structure, a moving structure in the z-axis direction, a moving structure in the x-axis direction, a moving structure in the y-axis direction, the base and the moving structure in the y-axis direction The moving structure in the y-axis direction is connected to the middle part of the moving structure in the z-axis direction, and the printing structure is connected to the moving structure in the x-axis direction. The moving structure in the z-axis direction includes driving motors in the z-axis direction respectively arranged near vertical columns on both sides , a vertical lead screw, and a nut matched with the lead screw, the drive motor in the z-axis direction is fixedly connected to the motor connection plate, the bottom of the motor connection plate is connected to the lower fixing seat, the nut is nested in the axial sleeve, and the shaft The end of the sleeve is provided with an axial positioning plate, the axial positioning plate is fixedly connected with the axial sleeve through screws, the axial sleeve is connected with the first support plate of the moving structure in the y-axis direction, and the upper end of the drive motor in the z-axis direction The output shaft is connected to the lower end of the vertical lead screw, and the vertical column is provided with a z-axis direction movement limit switch on the inner side near the bearing end, and the z-axis direction movement limit switch is connected to the electric controller through wires.

The upper end of the screw is provided with a bearing, and the bearing is matched with the bearing hole of the first bearing mounting seat, and the first bearing mounting seat is connected with the auxiliary support frame through screws, and the lower part of the vertical column is connected with the bottom horizontal support body connect.

The motor connection plate is provided with a through hole I along the height direction, and the first support plate is provided with a through hole II along the height direction, and the electrical connecting wires of the vertical drive motor are connected through the through hole I and the through hole II respectively. through.

The outer side of the upper part of the vertical column is provided with a printing material mounting frame, and the material mounting frame adopts a square profile structure with four T-shaped grooves in cross section, and a shaft matching the aluminum profile groove is provided on the upper part of the aluminum profile Adjust the block toward the position.

The vertical column, the bottom horizontal support body, the auxiliary support frame, and the lower fixing seat adopt a square profile structure with four T-shaped grooves in cross section, and the bottom horizontal support body and the vertical column are connected by right-angle profile connectors to assist support The two ends of the frame are connected to the vertical columns through right-angle profile connectors.

The motor connection plate and the first support plate are made of colorless and transparent acrylic material.

The beneficial effects of the utility model:

1. The utility model adopts the connection between the nut and the lead screw, and the transmission precision is high. The support frame such as the column adopts a square profile structure in the shape of a T-shaped groove, and a right-angle profile connector is used, which can meet the use requirements without complicated machining, reducing the The cost of manufacture and use is constructed by modular aluminum profiles and connectors, the structure is reasonable, stable, beautiful, local adjustment is convenient, the production cost is low, and it is easy to popularize.

2. The moving structure in the axial direction is driven by a screw motor, and the torque and power are balanced to ensure that the moving structure in the y-axis direction runs smoothly, and the lifting is stable. The upper end of the screw is fixed by a bearing, and the axial rigidity is stable. High precision.

3. Feeding bracket: installed on the upper part of one side of the main frame, easy to load and unload, adjustable in position and length, suitable for consumable drums of different diameters.

4. It is made of transparent acrylic material, with an open structure, and the operation link is clear at a glance. It is suitable for engineering training, demonstration operation, 3D application development, and modeling practice. It is also made of colorless and transparent acrylic material, which has good light transmission and can Observe the connection and movement of other components connected to it, so that it is easy to find the fault and take preventive measures in time to avoid the loss caused by the fault.

Description of drawings

Fig. 1 is the structural representation of the utility model;

FIG. 2 is a partial top view of FIG. 1 .

Detailed ways

In order to better understand the utility model, the implementation of the utility model will be explained in detail below in conjunction with the accompanying drawings.

As shown in Figure 1 and Figure 2, a portable 3D printer includes vertical columns 2 on both sides, a lower fixing base 4 connected to the vertical columns 2, a base 11 for placing printed objects, an upper printing structure 22, and a vertical direction, that is, the moving structure 6 in the z-axis direction, the upper horizontal plane x-axis direction moving structure, the middle horizontal plane y-axis direction moving structure, the vertical column 2 is respectively provided with one at the front and rear positions on both sides, and the base 11 is aligned with the y-axis direction. The moving structure is connected, the moving structure in the y-axis direction is connected with the middle part of the moving structure 6 in the z-axis direction, and the printing structure 22 is connected with the moving structure in the x-axis direction. The moving structure 6 in the z-axis direction includes a z-axis direction drive motor 61, a vertical lead screw 7, and a nut 10 matched with the lead screw 7, which are respectively arranged near the vertical columns on both sides. The z-axis direction drive motor 61 is fixedly connected to the On the motor connection plate 9, the bottom of the motor connection plate 9 is connected to the lower fixing seat 4, the nut 10 is nested in the axial sleeve 14, and the end of the axial sleeve 14 is provided with an axial positioning plate 47 for axial positioning The plate 47 is fixedly connected with the axial sleeve 14 through the screw 48, and the axial sleeve 14 is connected with the first supporting plate 37 of the moving structure in the y-axis direction, and the output shaft at the upper end of the drive motor 61 in the z-axis direction is connected with the lower end of the vertical lead screw 7 The upper end of the screw 7 is provided with a bearing 62, and the bearing 62 is matched with the bearing hole of the first bearing mount 63, and the first bearing mount 63 is connected with the auxiliary support frame 68 through a screw 70. The lower part of the vertical column 2 is connected with the bottom horizontal support body 1 . The vertical column 2 is provided with a z-axis direction movement limit switch 65 on the inner side close to the end of the bearing 62, and the z-axis direction movement limit switch 65 is connected to the electric controller through wires. The motor connecting plate 9 is provided with a through-hole I91 along the height direction, and the first support plate 37 is provided with a through-hole II371 along the height direction, and the electrical connection wires of the vertical drive motor 61 are respectively connected from the through-hole I91, the through-hole Pass through hole II371.

The outer side of the upper part of the vertical column 2 is provided with a printing material mounting frame 15, and the material mounting frame 15 adopts a square profile structure with four T-shaped grooves in cross section. Cooperating axial position adjustment block 64.

The groove of the middle horizontal support frame 3 of the moving structure in the y-axis direction is connected to one right-angled side of the right-angled profile connector 135 through a screw 145, and the other right-angled side of the right-angled profiled connector 135 is matched with the groove of the vertical column , and slide inward along the groove axis of the vertical column, the right-angle profile connector 135 is symmetrically arranged on the upper and lower sides of the middle horizontal support frame 3; the lower fixing seat 4 is also connected to the vertical column through the right-angle profile connector, and the The other right-angle side of the above-mentioned right-angle profile connector is matched with the groove of the vertical column, and the other right-angle side of the right-angle profile connector is matched with the groove of the vertical column, so that it plays a guiding role in moving in the z-axis direction, ensuring that the z-axis Direction of movement stability.

The vertical column 2, the bottom horizontal support body 1, the auxiliary support frame 68, the lower fixing seat 4, and the material mounting frame 15 adopt a square profile structure with a cross section of four T-shaped groove shapes, and the bottom horizontal support body 1 and the vertical The upright column 2 is connected by a right-angle profile connector 71 , and the two ends of the auxiliary support frame 68 are connected with the vertical upright column 2 by a right-angle profile connector 69 . The motor connection plate 9 and the first supporting plate 37 are made of colorless and transparent acrylic material.

Although the specific implementation of the utility model has been described above in conjunction with the accompanying drawings, it is not a limitation to the scope of protection of the utility model. On the basis of the technical solution of the utility model, those skilled in the art can make Various modifications or deformations are still within the protection scope of the present utility model.

Claims (7)

1. A portable 3D printer, comprising a vertical column, a lower fixing seat connected to the vertical column, a base for placing an object to be printed, a printing structure, a moving structure in the z-axis direction, a moving structure in the x-axis direction, and a moving structure in the y-axis direction, It is characterized in that the base is connected to the moving structure in the y-axis direction, the moving structure in the y-axis direction is connected to the middle part of the moving structure in the z-axis direction, the printing structure is connected to the moving structure in the x-axis direction, and the moving structure in the z-axis direction includes The driving motors in the z-axis direction, the vertical lead screws, and the nuts matched with the lead screws are respectively arranged near the vertical columns on both sides. The driving motors in the z-axis direction are fixedly connected to the motor connection plate, and the bottom of the motor connection plate and the lower fixing seat The nut is nested in the axial sleeve, and the end of the axial sleeve is provided with an axial positioning plate. The axial positioning plate is fixedly connected with the axial sleeve through screws, and the axial sleeve is connected with the first moving structure in the y-axis direction. A support plate is connected, the output shaft at the upper end of the drive motor in the z-axis direction is connected with the lower end of the vertical lead screw, and the vertical column is provided with a movement limit switch in the z-axis direction on the inner side near the end of the bearing, and the z-axis direction The movement limit switch is connected with the controller. 2. The portable 3D printer according to claim 1, wherein the upper end of the lead screw is provided with a bearing, and the bearing cooperates with the bearing hole of the first bearing mounting seat, and the first bearing mounting seat is connected by a screw. It is connected with the auxiliary support frame, and the lower part of the vertical column is connected with the bottom horizontal support body. 3. The portable 3D printer according to claim 1, wherein the motor connection plate is provided with a through hole I along the height direction, and the first support plate is provided with a through hole II along the height direction, and the The electrical connection wires of the vertical drive motor pass through the through hole I and the through hole II respectively. 4. The portable 3D printer according to claim 2, wherein a printing material installation frame is provided on the outer side of the upper part of the vertical column, and the material installation frame adopts a square profile structure with four T-shaped grooves in section , the upper part of the aluminum profile is provided with an axial position adjustment block matched with the groove of the aluminum profile. 5. The portable 3D printer according to claim 2, wherein the vertical column, the bottom horizontal support body, the auxiliary support frame, and the lower fixing seat adopt a square profile structure with four T-shaped grooves in cross section, so that The bottom horizontal support body is connected with the vertical column through a right-angle profile connector, and the two ends of the auxiliary support frame are connected with the vertical column through a right-angle profile connector. 6. The portable 3D printer according to claim 1, wherein the groove of the middle horizontal support frame of the moving structure in the y-axis direction is connected with a right-angled side of the right-angled profile connector through a screw, and the right-angled profile is connected The other right-angled side of the piece fits with the groove of the vertical column and slides inward along the groove axis of the vertical column. The right-angled profile connecting piece is symmetrically arranged on the upper and lower sides of the middle horizontal support frame. 7. The portable 3D printer according to claim 1, wherein the motor connection plate and the first support plate are made of colorless and transparent acrylic material.