TWI607885B - The body of a three-dimensional printer - Google Patents

Description

3D printer body

The invention relates to a machine body of a printing machine, in particular to a body of a three-dimensional printing machine for forming articles by using a three-dimensional printing technique.

The known KOSSEL type three-dimensional printing machine (also known as 3D printer) has a body structure mainly comprising: a base with a triangular frame, a top seat with a triangular frame, and a plurality of vertical extensions connected to the base and Support column between the top seats. Wherein, the base and the top seat comprise three frame strips which are connected to each other to form a closed triangle. In fact, the side frame strips on each side comprise two aluminum extruded structures extending in parallel, and the support columns are usually also aluminum. The extruded structure is fixed between the frame strip and the support column by screws, nuts, connecting seats and the like. However, since the base is a closed triangular structure, the assembly process must be performed on the inner side of the body by screws, etc., which is inconvenient to assemble and takes a lot of time. Moreover, since each frame strip of the base uses two aluminum extruded structures, if the integrity of the assembly is not confirmed during assembly, the platform is skewed and the body is not stable. Therefore, the body structure of the known three-dimensional printing machine needs to be improved.

Therefore, the object of the present invention is to provide a convenient assembly , combined with the body of a solid three-dimensional printing machine.

Thus, the body of the three-dimensional printing machine of the present invention comprises: a base device, a support unit extending upward from the base device, and a top seat unit mounted above the support unit.

The base device includes three base units, each base unit includes a base having an opposite first end portion and a second end portion, a top surface and a bottom surface opposite to each other, and a bottom surface connected to the top a first abutting surface between the surface and the bottom surface and located at the first end portion, a second abutting surface connected to the first abutting surface connected to the top surface and the bottom surface, and a second abutting surface a first assembly portion of the first abutting surface, and a second assembly portion disposed on the second abutting surface; the first ends of the bases are adjacent to each other and assembled and assembled together in the base The first abutting surface of any of the bases abuts the second abutting surface of one of the other two bases, the second abutting surface of the any base and the other two bases The first abutting surface of the other base abuts; the first assembly portion of any one of the bases is combined with the second assembly portion of one of the other two bases, any of The first assembly of the second assembly of the base and the other of the other two bases Co.

The effect of the invention is that the central portion of the base device is formed by combining the first ends of the bases, and each base extends outward from the central portion of the base device to form a stable bottom of the body. Support structure. The first abutting surface and the second abutting surface of the base are abutted against each other, and are fixed by the first assembling portion and the second assembling portion, so that the base device is firmly coupled, and thus has a good stable body effect. And group Easy to install.

1‧‧‧Base unit

2‧‧‧Support unit

21‧‧‧Support column

3‧‧‧ top seat unit

31‧‧‧ top seat

311‧‧‧ third end

312‧‧‧ fourth end

4‧‧‧Base unit

40‧‧‧ screws

41‧‧‧Base

410‧‧‧ 容容

411‧‧‧ first end

412‧‧‧ second end

413‧‧‧ top surface

414‧‧‧ bottom

415‧‧‧ first abutment

416‧‧‧second abutment

417‧‧‧First Assembly Department

418‧‧‧Second Assembly Department

419‧‧‧ positioning projection

42‧‧‧Extended foot

43‧‧‧Motor seat

431‧‧‧ pivotal department

432‧‧‧ Positioning Department

433‧‧‧ positioning slot

5‧‧‧Printing unit

51‧‧‧Printing module

52‧‧‧Roads

53‧‧‧Mobile Control Module

531‧‧‧ Lifting seat

532‧‧‧Extension arm

54‧‧‧Motor

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is an exploded perspective view showing an embodiment of the body of the three-dimensional printing machine of the present invention; The three-dimensional combination diagram shows the embodiment and a printing unit, and simultaneously displays a plurality of extending feet in a deployed position, and a plurality of motor seats are located in a mounting position; FIG. 3 is a top view showing a base device of the embodiment; 4 is a perspective view showing a base unit of the embodiment, showing that the extension foot is in a folded position, and the motor base is in a non-installation position.

Referring to Figures 1 to 4, an embodiment of the body of the three-dimensional printing machine of the present invention is mainly used as a supporting skeleton structure of a three-dimensional printing machine, and can be mounted by a printing unit 5 to constitute the three-dimensional printing machine. The construction of the printing unit 5 will be described later. The body of the three-dimensional printing machine of the present embodiment will be described first, including a base device 1, a supporting unit 2, and a top unit 3.

The base unit 1 includes three base units 4, each base unit 4 including a base 41, and an extension base 42 and a motor mount 43 pivotally mounted on the base 41. The base 41 has an opposite first A top surface 413 and a second end portion 412, a top surface 413 and a bottom surface 414 opposite to each other, and a first surface 414 connected between the top surface 413 and the bottom surface 414 and located at the first end portion 411 415, a second abutting surface 416 connected to the first abutting surface 415, and a first assembling portion 417 disposed on the first abutting surface 415, a second assembly portion 418 disposed on the second abutting surface 416, a positioning protrusion 419 protruding upward from the top surface 413 and located at the second end portion 412, and a recess recessed in the bottom surface 414 Slot 410.

The first abutting surface 415 is not perpendicular to the second abutting surface 416. In this embodiment, the angle between the two is greater than 90 degrees. The first assembly portion 417 of the embodiment is a protrusion, and the second assembly portion 418 is a groove. In the implementation of the present invention, the design of the stud and the groove may also be reversed. One of the first assembly portion 417 and the second assembly portion 418 of each base 41 may be a groove and the other is a protrusion. .

The first ends 411 of the bases 41 are adjacent to each other and assembled and joined together. Between any two bases 41 of the embodiment, the first abutting surface 415 of one of the bases 41 abuts against the second abutting surface 416 of the other base 41, and between any two bases 41, one of them The first assembly portion 417 of the base 41 is combined with the second assembly portion 418 of the other base 41, that is, the manner in which the studs extend into the recesses, and is additionally locked by a screw 40 from top to bottom. The stud lock is fixedly located in the corresponding groove. Therefore, the first abutting surface 415 of any one of the bases 41 abuts the second abutting surface 416 of one of the other two bases 41, any of the bases 41 The second abutting surface 416 and the other two bottoms The first abutting surface 415 of the other base 41 of the seat 41 abuts; the first assembly portion 417 of any one of the bases 41 and the base 41 of the other two bases 41 The second assembly portion 418 is coupled, and the second assembly portion 418 of any one of the bases 41 is coupled to the first assembly portion 417 of the other of the other two bases 41. Although the present embodiment is exemplified by three bases 41, in the implementation of the present invention, four, five or more bases 41 may be abutted to each other.

The extension foot 42 is movable between a retracted position (Fig. 4) that overlaps the base 41 and a deployed position (Figs. 1-3) that extends toward one side of the base 41. When the extension foot 42 is in the folded position, the extension foot 42 is received in the cavity 410 at the bottom of the base 41. When the extension foot 42 is positioned at the deployed position, it protrudes from the side of the base 41 and can help stabilize the body of the present invention.

The motor mount 43 is movable between an upright mounting position (Figs. 1-3) and a horizontal non-mounting position (Fig. 4). The motor base 43 includes a pivoting portion 431 pivotally connected to the base 41, and a positioning portion 432 spaced apart from the pivoting portion 431 and having a positioning groove 433. When the motor base 43 is in the non-installation position, the positioning protrusion 419 of the base 41 protrudes from the positioning groove 433 to assist in fixing the motor base 43 to the non-installation position. When the components of the present invention are not assembled, the motor base 43 can be folded in the non-installation position for convenient storage.

The support unit 2 includes three support columns 21 that are respectively mounted to the second ends 412 of the bases 41. Each of the support columns 21 extends upward from the respective base 41.

The top unit 3 is mounted above the support unit 2 and includes three top seats 31. Each of the top seats 31 has an opposite third end portion 311 and a fourth end portion 312. The third end portions 311 of the top seats 31 are adjacent to each other and assembled and coupled together, and the fourth end portions 312 are respectively assembled and coupled with the support columns 21. The joint structure between the top seats 31 of the present embodiment is the same as the joint structure between the bases 41, that is, any two adjacent top seats 31 are also joined by the abutting surfaces. And fixing the joint by locking the post in the groove.

The printing unit 5 includes a printing module 51, three rails 52 respectively fixed to the supporting columns 21, three movement control modules 53 respectively assembled on the rails 52, and three separate use The motor 54 that drives the movement control modules 53 to move. The printing module 51 is located between the support columns 21 and can be changed by the movement control module 53 for printing the material to form an article. Each of the movement control modules 53 includes a lifting base 531 that is vertically movably assembled to the corresponding rail 52, and an extension arm 532 that connects the lifting base 531 and the printing module 51. The extension arm Between the 532 and the lifting base 531, and the printing module 51 are pivotally connected at multiple angles. The motors 54 can be mounted to the respective motor mounts 43 by screwing. The motors 54 are connected to the respective mobile control modules 53 through appropriate transmission components and circuit connection designs, so as to drive the movement control modules 53 to move, thereby driving the printing module 51 up and down, left and right, Move back and forth. Since the printing unit 5 is not a modification of the present invention, it will not be described.

When assembling the present invention, first shifting each motor base 43 to straight The mounting position is established, and the motor 54 is locked to each motor seat 43. The first end portions 411 of the respective bases 41 are brought close to each other, and the first abutting surface 415 of one of the two bases 41 is abutted against the second abutting surface 416 of the other base, and one of the first abutting surfaces 416 is abutted The studs of an assembly portion 417 extend into the recesses of the other second assembly portion 418 and are then locked by screws 40, which are fixed together. The support columns 21 are further erected, and the bottom of each support column 21 is provided with a screw hole, and the bottom surface 414 and the top surface 413 of the base 41 can be passed up from the bottom of the base 41 by screws and locked into the support columns. The bottom screw hole of 21, thereby fixing the support post 21 to the base 41. Then, the top seat unit 3 is assembled, and the top seats 31 are assembled with each other, and the top seats 31 and the support columns 21 are also locked by screws, that is, the assembly is completed.

When the present invention is used, the extending legs 42 of the base device 1 can be moved to the deployed position. At this time, the extending legs 42 extend to one side of each of the bases 41 and contact the ground, and can be mated with the base 41. Standing on the whole body, it has the function of stabilizing the body.

In summary, the central portion of the base device 1 is formed by combining the first ends 411 of the bases 41, and each base 41 extends outward from the central portion of the base device 1 to constitute The body has a stable bottom support structure. The first abutting surface 415 and the second abutting surface 416 of the base 41 are in contact with each other, and are fixed by the first assembling portion 417 and the second assembling portion 418, so that the base device 1 is firmly coupled. Has a good stable body effect. Moreover, since the base device 1 is an open structure design (different from forming a closed triangle with the base of the conventional body) Therefore, the assembly process such as screw locking is facilitated, and the present invention is quite convenient in assembly, and the object of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

1‧‧‧Base unit

4‧‧‧Base unit

40‧‧‧ screws

41‧‧‧Base

410‧‧‧ 容容

411‧‧‧ first end

412‧‧‧ second end

413‧‧‧ top surface

415‧‧‧ first abutment

416‧‧‧second abutment

417‧‧‧First Assembly Department

418‧‧‧Second Assembly Department

419‧‧‧ positioning projection

42‧‧‧Extended foot

43‧‧‧Motor seat

Claims (8)

A three-dimensional printing machine body comprising: a base device comprising three base units, each base unit comprising a base having an opposite first end portion and a second end portion, spaced apart from each other a top surface and a bottom surface, a first abutting surface connected between the top surface and the bottom surface and located at the first end portion, and a first abutting surface connected to the top surface and the bottom surface a second abutting surface, a first assembly portion disposed on the first abutting surface, and a second assembly portion disposed on the second abutting surface; the first ends of the bases are adjacent to each other And assembling and combining, the first abutting surface of any one of the bases abuts the second abutting surface of one of the other two bases, the second of the bases The abutting surface abuts the first abutting surface of the other of the other two bases; the first assembly portion of any one of the bases and one of the other two bases The second assembly portion is combined with the second assembly portion of the any base and the other two The first assembly portion of the other base in the base is coupled; a support unit extending upward from the base device; and a top seat unit mounted above the support unit; wherein the first abutment of each base The face is not perpendicular to the second abutment surface. The body of the three-dimensional printing machine of claim 1, wherein one of the first assembly portion and the second assembly portion of each base is a groove and the other is a protrusion. The body of the three-dimensional printer of claim 1, wherein each of the base units further includes an extension foot pivotally mounted on the base, the extension foot being superimposable on the base The collapsed position and movement between the deployed positions extending toward one side of the base. The body of the three-dimensional printing machine of claim 3, wherein each of the bases further includes a receiving groove recessed in the bottom surface, and when the extending foot is in the folded position, the extending foot is received in the Inside the tank. The body of the three-dimensional printing machine of claim 1, wherein each base unit further comprises a motor seat pivotally mounted on the base, the motor base being in an upright mounting position, and a Move between horizontal non-installed positions. The body of the three-dimensional printing machine of claim 5, wherein the base further has a positioning protrusion protruding upward from the top surface, the motor base includes a pivoting portion pivotally connected to the base, and a The positioning portion is opposite to the pivoting portion and has a positioning groove. When the motor seat is in the non-installing position, the positioning protrusion protrudes from the positioning groove. The body of the three-dimensional printing machine of claim 1, wherein the top seat unit comprises three top seats, each of the top seats having an opposite third end portion and a fourth end portion, the top seats The third ends are adjacent to each other and assembled and joined together. The body of the three-dimensional printing machine according to any one of claims 1 to 7, wherein the support unit comprises three support columns respectively mounted on the second ends of the bases and extending upward.