Leveling device of additive manufacturing equipment

Abstract

The utility model relates to a leveling device of additive manufacturing equipment, which comprises a first component, a second component and a third component, the first component comprises an upper surface and a lower surface opposite to the upper surface, and a plurality of first threaded holes are formed in the first component; the second part comprises an upper surface and a lower surface; the adjusting pieces are located between the first component and the second component, and the flatness of the upper surface of the first component can be adjusted by adjusting the adjusting pieces; and the connecting piece is used for fixedly connecting the first component to the second component. According to the leveling device of the additive manufacturing equipment, the flatness of the upper surface of the first component only needs to meet the precision requirement through the adjusting effect of the adjusting piece, and the lower surface of the first component and the upper surface of the second component do not need to meet the flatness machining precision requirement at the same time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to additive manufacturing equipment field especially relates to a leveling device of additive manufacturing equipment. BACKGROUND

[0002] 3D printing is also called additive manufacturing technology (Additive Manufacturing Technologies, AM), it is a kind of technology to manufacture solid parts according to three-dimensional CAD data by layer material accumulation method.SLM:Selective laser melting (selective laser melting), it is a kind of main technical approach in metal material additive manufacturing.The technology selects laser as energy source, according to the path planned in three-dimensional CAD slice model, it is scanned in metal powder bed layer by layer, and the metal powder scanned passes through melting, solidification to achieve the effect of metallurgical bonding, finally obtains the metal part designed by model.

[0003] Additive manufacturing technology especially for selective laser melting technology belongs to precision manufacturing technology, so the installation precision of equipment is relatively high in construction process, and if installation precision does not reach the requirement, it will directly affect the quality of additive manufacturing.The installation flatness of prior art mainly depends on the machining precision of parts, when there is high flatness installation demand, it is necessary to greatly improve the machining precision of relevant parts, which brings the problems of great machining difficulty and high machining cost. Figure 1 As shown in the figure, in order to ensure the installation precision of plane C in the installation process of prior art, it is necessary to improve the installation precision of three planes of plane C, plane A and plane B, which leads to the problems of great machining difficulty and high machining cost of relevant parts. UTILITY MODEL CONTENT

[0004] In order to solve the problems in the background art, the utility model provides a leveling device of additive manufacturing equipment, which can reduce the machining difficulty and machining cost of parts, and ensure the installation precision requirement of parts.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a leveling device of additive manufacturing equipment, which comprises:

[0007] The first part comprises an upper surface and a lower surface opposite to the upper surface, and a plurality of first threaded holes are formed on the first part;

[0008] The second part comprises an upper surface and a lower surface;

[0009] A plurality of adjusting members are arranged between the first component and the second component, and the adjusting members are adjusted in the height direction to adjust the flatness of the upper surface of the first component.

[0010] A connecting member is arranged to connect the first component to the second component.

[0011] Further, the adjusting member is cylindrical, and the outer side of the adjusting member is provided with threads.

[0012] Further, the bottom of the adjusting member is flat, and the bottom of the adjusting member is attached to the upper surface of the second component.

[0013] Further, the adjusting member is provided with a connecting through hole coaxial with the adjusting member, and the second component is provided with a second threaded hole.

[0014] Further, the adjusting member and the connecting member are provided with a plurality of adjusting members, and the connecting member is one-to-one corresponding to the adjusting member.

[0015] Further, the adjusting member is an elastic component arranged between the first component and the second component.

[0016] Further, the elastic component includes a plurality of elastic components arranged between the first component and the second component.

[0017] Further, the elastic component is provided with a through hole, and the connecting member is fixedly connected to the second component after passing through the through hole.

[0018] Further, the elastic component is an inverted bowl.

[0019] Further, the first component is a device working cavity bottom plate, and the second component is a device support mounting top plate.

[0020] The utility model discloses the following advantages are obtained by adopting the above technical scheme:

[0021] (1) The leveling device of the additive manufacturing equipment provided by the utility model, through the setting of multiple adjusting pieces, the upper surface of the first part is first adjusted to be a horizontal plane, then the first part and the second part are fixed, the upper surface of the first part can be adjusted to be horizontal, and the flatness of the upper surface of the first part meets the accuracy requirement, and the lower surface of the first part and the upper surface of the second part do not need to meet the flatness processing accuracy requirement at the same time.

[0022] (2) The connecting through hole is coaxial with the adjusting piece, the connecting piece is inserted into the connecting through hole and simultaneously connects the second part.

[0023] (3) The adjusting piece is set as an elastic piece, the fastening force of the connecting piece can be adjusted, the flatness of the plane can be adjusted, and the lower surface of the first part and the upper surface of the second part do not need to meet the flatness processing accuracy requirement. BRIEF DESCRIPTION OF DRAWINGS

[0024] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of preferred embodiments, and are not meant to limit the present utility. Throughout the drawings, the same reference designates the same elements. In the drawings:

[0025] Figure 1 is a process schematic view of the leveling mode of the existing additive manufacturing equipment;

[0026] Figure 2 is an exploded view of an embodiment of the leveling device of the additive manufacturing equipment provided by the utility model;

[0027] Figure 3 is an assembly view of the leveling device of the additive manufacturing equipment in Figure 2

[0028] Figure 4 is an exploded view of another embodiment of the leveling device of the additive manufacturing equipment provided by the utility model;

[0029] Figure 5 is an assembly view of the adjusting device of the additive manufacturing equipment in Figure 4

[0030] The various signs in the drawings represent the following:

[0031] ​​1-First component, 2-Second component, 3, 3'-Adjusting component, 4-Connecting component, 5-First threaded hole, 6-Second threaded hole, 7-Connecting through hole. Detailed Implementation

[0032] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0033] Example 1

[0034] like Figures 2-3 As shown, this utility model provides a leveling device for additive manufacturing equipment, including a first component 1, a second component 2, a plurality of adjusting members 3, and a plurality of connecting members 4. The first component 1 includes an upper surface C and a lower surface B opposite to the upper surface C, and a plurality of first threaded holes 5 are formed on the first component 1. The second component 2 includes an upper surface A and a lower surface. The adjusting members 3 are inserted into the first threaded holes 5 and are screwed to the first component 1. The bottom of the adjusting member 3 passes through the first threaded holes 5 and abuts against the upper surface A of the second component 2. The distance by which the adjusting member 3 extends out of the first threaded holes 5 is adjusted to adjust the flatness of the upper surface C of the first component 1. The connecting members 4 are used to fix the first component 1 to the second component 2.

[0035] When one end of the first component 1 is pushed upward, the adjusting member 3 at that end is adjusted to move upward from the first component 1, causing the upper surface C of that end to move downward. When one end of the first component 1 is pressed downward, the adjusting member 3 at that end is adjusted to move downward from the first component 1, allowing the upper surface C of that end to move upward, thereby adjusting the flatness of the entire upper surface C.

[0036] In this invention, the bottom of the adjusting member 3 passes through the first threaded hole 5 and abuts against the upper surface A of the second component 2. Adjusting the distance the adjusting member 3 extends from the first threaded hole 5 adjusts the flatness of the upper surface C of the first component 1. When a high precision requirement is required for the flatness of the upper surface C of the first component 1, it is only necessary to adjust different adjusting members 3 to make the upper surface C of the first component 1 meet the flatness precision requirement. It is not necessary to make the machining precision of the upper surface A of the second component 2 and the lower surface B of the first component 1 both reach a high requirement.

[0037] In order to improve the accuracy of adjustment, the adjusting part 3 is cylindrical, the outer side of the adjusting part 3 is formed with threads, the adjusting part 3 is screw-connected with the first threaded hole 5, the bottom of the adjusting part 3 is a plane D, and the bottom of the adjusting part 3 is attached to the upper surface A of the second part 2.

[0038] The adjusting part 3 is provided with a connecting through hole 7 coaxial with the adjusting part 3, the second part 2 is provided with a second threaded hole 6, and the connecting part 4 is fixedly connected between the connecting through hole 7 and the second part 2. The adjusting part 3, the first part 1 and the second part 2 are connected by the connecting part 4, and the connecting part 4 is fixedly connected between the connecting through hole 7 in the adjusting part 3 and the second part 2, so that the accuracy of plane adjustment can be further improved.

[0039] The adjusting part 3 and the connecting part 4 are provided in plurality, the plurality of connecting parts 4 correspond to the adjusting part 3 one by one, the plurality of adjusting parts 3 are adjusted to adjust the flatness of the upper surface C of the first part 1, and after the flatness of the upper surface C of the first part 1 meets the requirements, the first part 1 is fixed on the second part 2 by the plurality of connecting parts 4.

[0040] Based on the leveling method of the additive manufacturing equipment leveling device, the method comprises the following steps:

[0041] (1) inserting the adjusting part 3 into the first part 1 to make the bottom of the adjusting part 3 abut against the second part 2;

[0042] (2) adjusting the adjusting part 3 to make the upper surface C of the first part 1 horizontal;

[0043] (3) fixing the first part 1 on the second part 2 by the connecting part 4.

[0044] The leveling method of the additive manufacturing equipment further comprises the following steps:

[0045] The step (3) is specifically inserting the connecting part 4 into the connecting through hole 7 on the adjusting part 3 and fixedly connecting with the second part 2, and the connecting through hole 7 is arranged on the adjusting part 3 and coaxial with the adjusting part 3.

[0046] The utility model discloses a plurality of adjusting parts 3's setting, first adjusting adjusting part 3 makes the upper surface C of first part 1 be horizontal plane, then fixes first part 1 and second part 2, can only need to adjust the upper surface C of first part 1 be horizontal, and make the flatness of the upper surface 1 of first part 1 satisfy the accuracy requirement, do not need to make the lower surface B of first part 1, the upper surface A of second part 2 all satisfy the flatness processing accuracy requirement simultaneously, has reduced the processing accuracy requirement.

[0047] Embodiment 2

[0048] As shown in Figures 4-5 Embodiment 2 and embodiment 1 are different in that adjusting part 3' is an elastic part 3', and the elastic part 3 is located between the first part 1 and the second part 2. By deforming the elastic part 3', the flatness of the upper surface C of the first part 1 can be adjusted. The elastic part 3 includes a plurality of elastic parts 3, which are arranged at intervals between the first part 1 and the second part 2. The elastic part 3' has a through hole formed in the middle, and the connecting part 4 passes through the through hole and is fixedly connected with the second part 2. When there is a high requirement for the flatness of the installed plane C, only the connecting part 4 needs to be tightened or loosened. When the fastening force of the connecting part 4 at a certain place becomes smaller, the plane C at that place will be pushed up. When the fastening force of the connecting part 4 at a certain place becomes larger, the adjusting part 3' will be pressed down, causing the plane C at that place to become lower. The plane C can be leveled by a simple method.

[0049] As a preferred embodiment, the elastic part 3' is an inverted bowl.

[0050] As a specific application embodiment, the first part 1 is a device working cavity bottom plate, and the second part 2 is a device support mounting top plate.

[0051] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. Levelling device of an additive manufacturing apparatus, characterized in that The utility model relates to a device work cavity bottom plate fixing device, including: First component, first component including upper surface and lower surface opposite to upper surface, form with a plurality of first threaded hole on first component; Second component, second component including upper surface and lower surface; A plurality of adjustment parts, adjustment part is located between first component and second component, and the planeness of the upper surface of the first component is adjusted by adjusting the displacement or deformation of the adjustment part along the height direction; Connecting piece, connecting piece is used for fixing and connecting first component on second component.

2. Levelling device of an additive manufacturing apparatus according to claim 1, characterized in that The adjustment part is cylindrical, the outer side of the adjustment part is formed with a thread, the adjustment part is inserted into the first threaded hole and is screw connected with the first component, and the bottom of the adjustment part abuts against the upper surface of the second component through the first threaded hole.

3. Levelling device of an additive manufacturing apparatus according to claim 2, characterized in that The bottom of the adjustment part is flat, and the bottom of the adjustment part is fitted with the upper surface of the second component.

4. Levelling device of an additive manufacturing apparatus according to claim 2, characterized in that The adjustment part is provided with a connecting through hole, the connecting through hole is coaxial with the adjustment part, the second component is provided with a second threaded hole, the connecting piece is inserted into the connecting through hole and the second threaded hole and is fixedly connected with the second component.

5. The levelling device of an additive manufacturing apparatus according to claim 1, wherein, The adjustment part and the connecting piece are provided with a plurality of, a plurality of connecting pieces and adjustment parts one-to-one, the planeness of the upper surface of the first component is adjusted by adjusting the displacement of a plurality of adjustment parts along the height direction, and the first component is fixed on the second component through a plurality of connecting pieces.

6. Levelling device of an additive manufacturing apparatus according to claim 1, characterized in that The adjustment part is an elastic component, the elastic component is located between the first component and the second component, and the planeness of the upper surface of the first component is adjusted by adjusting the deformation of the elastic component.

7. Levelling device of an additive manufacturing apparatus according to claim 6, characterized in that The elastic component includes a plurality of, a plurality of elastic components are arranged at intervals between the first component and the second component.

8. Levelling device of an additive manufacturing apparatus according to claim 7, characterized in that The elastic component is formed with a through hole in the middle, and the connecting piece is fixedly connected with the second component after passing through the through hole.

9. Levelling device of an additive manufacturing apparatus according to claim 8, characterized in that The elastic component is an inverted bowl.

10. Levelling device of an additive manufacturing apparatus according to any one of claims 1 to 9, characterized in that The first component is a device work cavity bottom plate, and the second component is a device support mounting top plate.

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