CN218701320U

CN218701320U - Leveling device of selective fusion 3D printer

Info

Publication number: CN218701320U
Application number: CN202223140111.1U
Authority: CN
Inventors: 李世健; 邓璞; 石何飞
Original assignee: Suzhou Changxing Technology Co ltd
Current assignee: Suzhou Changxing Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-24
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a leveling device of a selective melting 3D printer, which comprises a base, a processing platform, a plurality of lifting mechanisms and a level meter, wherein the processing platform is arranged above the base, the level meter is arranged on the processing platform, and the lifting mechanisms are used for lifting the processing platform; elevating system includes hand wheel, screw rod, slider, mounting, the mounting is fixed the base side, the screw rod is installed on the mounting, the hand wheel is installed the operation end of screw rod, the blind hole has been seted up on the slider, the blind hole internal surface be provided with screw rod matched with internal thread, the slider upper end with processing platform's bottom surface fixed connection. The leveling device is simple in structure, low in processing cost and easy to replace.

Description

Leveling device of selective fusion 3D printer

Technical Field

The utility model belongs to the technical field of 3D prints, concretely relates to levelling device of election district melting 3D printer.

Background

3D printing (3 DP) is a technique for building objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files. The 3D platform has not been transferred, and the model bottom can be uneven during printing, and the lower side of shaping platform, the aspect will be relatively thin, and inclined plane bottom or end raft also can influence the formation of support to lead to easily printing the failure.

The existing 3D printing working platform leveling equipment is developed towards the direction of full-automatic leveling, but the leveling equipment is more suitable for large-scale industrialized 3D printing occasions; and for ordinary domestic 3D printing, the problems of excessively complex equipment structure, high processing cost, difficult replacement and the like exist. In the prior art, some leveling structures utilize an air cylinder to realize leveling, but due to the characteristic of telescopic motion of the air cylinder, more sensors and more complex software control programs need to be arranged in a matching manner, so that the telescopic quantity of the air cylinder can be accurately controlled; meanwhile, because the cylinder lacks self-locking capacity, in order to ensure that the piston of the cylinder can be stabilized at a certain middle stroke position, the gas charging and discharging can be controlled by matching with a high-quality and high-precision valve. And the existing leveling equipment is high in price and not beneficial to popularization and application due to the series of factors.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a levelling device of election district melting 3D printer to solve that 3D print work platform leveling equipment is complicated, the processing cost is high, difficult change scheduling problem.

The utility model provides a leveling device of a selective melting 3D printer, which comprises a base, a processing platform, a plurality of lifting mechanisms and one or a plurality of gradienters, wherein the processing platform is arranged above the base, the gradienters are arranged on the processing platform, the lifting mechanisms are used for adjusting the height of the processing platform, and the plurality of lifting mechanisms are axially symmetrically distributed on the lower surface of the processing platform; elevating system includes hand wheel, screw rod, slider, mounting, the mounting is fixed the base side, the screw rod is installed on the mounting, the hand wheel is installed the operation end of screw rod, the blind hole has been seted up on the slider, the blind hole internal surface be provided with screw rod matched with internal thread, the processing platform lower surface is provided with the recess, the upper end of slider is located in the recess, the spirit level sets up processing platform's upper surface and/or side.

By adopting the technical scheme, the machining platform is judged through the level meter, the lifting mechanism is adjusted to enable the machining platform to be in a basically horizontal state, then the level meter is observed to finely adjust the lifting mechanism, and further the leveling of the 3D printer working platform is achieved, and the level meter is arranged on the upper surface or the side surface of the machining platform and can represent the flatness of the machining platform.

Optionally, a guide groove is formed in the groove, and a guide rail matched with the guide groove is arranged at the upper end of the sliding block.

Adopt above-mentioned technical scheme, adopt above-mentioned structure can provide the direction for the slider goes up and down.

Optionally, the gradienter is parallel to a connecting line of two adjacent lifting mechanisms, the number of the lifting mechanisms is several, and the processing platform is circular or rectangular.

By adopting the technical scheme, the gradienter is parallel to the connecting line of the two adjacent lifting mechanisms, and the adjustment of the inclination state of the processing platform by the lifting mechanisms can be intuitively reflected through the gradienter.

Optionally, the number of the lifting mechanisms is two, the number of the gradienters is one, and the gradienters are parallel to a connecting line of the lifting mechanisms.

Optionally, four lifting mechanisms are arranged and distributed at four corners of the rectangular processing platform; the two gradienters are perpendicular to each other and are respectively parallel to the two adjacent right-angle sides of the rectangular processing platform.

Optionally, a second mounting hole is formed in the fixing piece, and the sliding block is slidably mounted on the second mounting hole; a first mounting hole is further formed in the fixing piece, and one end of the screw rod is rotatably mounted on the first mounting hole.

By adopting the technical scheme, the sliding block is fixed through the second mounting hole of the fixing piece, and the sliding block can be prevented from moving in the horizontal direction. And arranging a bearing in the first mounting hole so that the screw can rotate to control the lifting of the sliding block, and mounting the screw through the first mounting hole.

Optionally, a plurality of sliding grooves are formed in the second mounting hole, and sliding rails matched with the sliding grooves are arranged on the outer surfaces of the sliding blocks.

By adopting the technical scheme, the guide in the vertical direction can be provided for the sliding of the sliding block.

Optionally, the fixing member is a U-shaped bending member, and the first mounting hole and the second mounting hole are respectively formed in the lower surface and the upper surface of the bending member.

By adopting the technical scheme, the fixing of the lifting mechanism can be simply and conveniently realized through the structure.

Optionally, the outer surface of the sliding block is provided with a scale extending along the lifting direction of the processing platform, and the scale is used for representing the height of the sliding block extending out of the fixing part.

Drawings

Fig. 1 is the utility model discloses a leveling device schematic diagram of election district melting 3D printer.

Fig. 2 is a schematic view of an elevating mechanism according to an embodiment of the present invention.

Wherein the reference numerals are: 1. a base; 2. a processing platform; 3. a lifting mechanism; 31 a hand wheel; 32 screws; 33, a sliding block; 34. a fixing member; 341. a first mounting hole; 342. a second mounting hole; 4. a level gauge.

Detailed Description

The making and using of the embodiments are discussed in detail below. It should be understood, however, that the detailed description and specific examples, while indicating the particular manner of making and using the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. When the respective components are arranged as shown in the drawings, these direction expressions are appropriate, but when the positions of the respective components in the drawings are changed, these direction expressions are changed accordingly.

Referring to fig. 1 to 2, an embodiment of the present invention provides a leveling device for a selective melting 3D printer, including a base 1, a processing platform 2, a plurality of lifting mechanisms 3, and one or more levels 4, where the processing platform 2 is disposed above the base 1, the levels 4 are disposed on the processing platform 2, the lifting mechanisms 3 are used to adjust the height of the processing platform 2, and the plurality of lifting mechanisms are axisymmetrically distributed on the lower surface of the processing platform 2; the lifting mechanism 3 comprises a hand wheel 31, a screw rod 32, a sliding block 33 and a fixing piece 34, the fixing piece 34 is fixed on the side face of the base 1, the screw rod 32 is installed on the fixing piece 34, the hand wheel 31 is installed at the operation end of the screw rod 32, a blind hole is formed in the sliding block 33, an internal thread matched with the screw rod 32 is arranged on the inner surface of the blind hole, a groove is formed in the lower surface of the processing platform 2, and the upper end of the sliding block 33 is located in the groove; the level 4 is arranged on the upper surface and/or the side surface of the processing platform.

By adopting the technical scheme, the machining platform is judged through the level gauge, the lifting mechanism is adjusted to enable the machining platform to be in a basically horizontal state, then the level gauge is observed to finely adjust the lifting mechanism, the leveling of the 3D printer working platform is further realized, and the level gauge is arranged on the upper surface or the side surface of the machining platform and can represent the flatness of the machining platform.

In one embodiment, a guide groove is formed in the groove, and a guide rail matched with the guide groove is arranged at the upper end of the sliding block.

In one embodiment, the level 4 is parallel to a connection line of two adjacent lifting mechanisms, the number of the lifting mechanisms 3 is several, and the processing platform is circular or rectangular.

By adopting the technical scheme, the level 4 is parallel to the connecting line of the two adjacent lifting mechanisms, and the adjustment of the inclination state of the processing platform 2 by the lifting mechanism 3 can be intuitively reflected through the level 4.

In one embodiment, there are two lifting mechanisms 3, there is one level 4, and the level 4 is parallel to the line of the lifting mechanisms.

In one embodiment, four lifting mechanisms 3 are arranged and distributed at four corners of a square structure; the two gradienters 4 are perpendicular to each other and are respectively parallel to two adjacent right-angle sides of the rectangular processing platform.

In one embodiment, the fixing member 34 is provided with a second mounting hole 342, and the sliding block 33 is slidably mounted on the second mounting hole 342; the fixing member 34 is further provided with a first mounting hole 341, and one end of the screw rod 32 is rotatably mounted on the first mounting hole 341.

With the above technical solution, the slider 33 is fixed through the second mounting hole 342 of the fixing member 34, and the slider 33 can be prevented from moving in the horizontal direction. A bearing is provided in the first installation hole 341 so that the screw 32 can rotate to control the elevation of the slider 33, and the screw 32 is installed through the first installation hole 341.

In one embodiment, a plurality of sliding grooves are disposed on the second mounting hole 342, and a sliding rail adapted to the sliding grooves is disposed on an outer surface of the sliding block 33.

Adopt above-mentioned technical scheme, can slide for slider 33 and provide vertical direction's direction.

In one embodiment, the fixing member 34 is a U-shaped bent member, and the first mounting hole 341 and the second mounting hole 342 are opened on a lower surface and an upper surface of the bent member, respectively.

In one embodiment, the outer surface of the slide is provided with a scale extending along the elevation direction of the work platform, and the scale is used for representing the height of the slide 33 extending out of the fixing part 34.

Install above-mentioned levelling device on the 3D printer, can realize 3D printing processing platform's leveling.

It should be understood that the embodiments shown in fig. 1-2 only show the shape, size and arrangement of the various optional components of the leveling device of the selective zone melting 3D printer according to the present invention, however, they are merely illustrative and not limiting, and that other shapes, sizes and arrangements may be adopted without departing from the spirit and scope of the present invention. The terms "upper", "lower", "front", "inner", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do 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 thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the invention, the scope of which is defined by the appended claims. Various changes and modifications to the disclosed concept may be made by those skilled in the art, which fall within the scope of the invention.

Claims

1. The leveling device of the selective melting 3D printer is characterized by comprising a base, a processing platform, a plurality of lifting mechanisms and one or more gradienters, wherein the processing platform is arranged above the base; elevating system includes hand wheel, screw rod, slider, mounting, the mounting is fixed the base side, the screw rod is installed on the mounting, the hand wheel is installed the operation end of screw rod, the blind hole has been seted up on the slider, the blind hole internal surface be provided with screw rod matched with internal thread, the processing platform lower surface is provided with the recess, the upper end of slider is located in the recess, the spirit level sets up processing platform's upper surface and/or side.

2. The leveling device of the selective melting 3D printer according to claim 1, wherein a guide groove is formed in the groove, and a guide rail matched with the guide groove is formed at the upper end of the sliding block.

3. The leveling device of the selective melting 3D printer according to claim 1, wherein the level is parallel to a connecting line of two adjacent lifting mechanisms, the number of the lifting mechanisms is several, and the upper surface of the processing platform is circular or rectangular.

4. The leveling device of the selective melting 3D printer according to claim 1, wherein there are two lifting mechanisms, there is one level gauge, and the level gauge is parallel to a connecting line of the lifting mechanisms.

5. The leveling device of the selective melting 3D printer according to claim 1, wherein four lifting mechanisms are arranged and distributed at four corners of the rectangular processing platform; the two gradienters are perpendicular to each other and are respectively parallel to the two adjacent right-angle sides of the rectangular processing platform.

6. The leveling device of the selective melting 3D printer according to claim 1, wherein the fixing member is provided with a second mounting hole, and the sliding block is slidably mounted on the second mounting hole; a first mounting hole is further formed in the fixing piece, and one end of the screw rod is rotatably mounted on the first mounting hole.

7. The leveling device of the selective melting 3D printer according to claim 6, wherein a plurality of sliding grooves are formed in the second mounting hole, and sliding rails matched with the sliding grooves are arranged on the outer surface of the sliding block.

8. The leveling device of the selective melting 3D printer according to claim 6, wherein the fixing member is a U-shaped bending member, and the first mounting hole and the second mounting hole are respectively formed in a lower surface and an upper surface of the bending member.

9. The leveling device of the selective melting 3D printer according to claim 1, wherein the outer surface of the sliding block is provided with a scale extending along the lifting direction of the processing platform, and the scale is used for representing the height of the sliding block extending out of the fixing piece.