Metal material preparation device for 4D printing

By introducing a movable second nozzle and lifting joint design into the 3D printing equipment, the problem of collapse during molding of complex transversely structured parts was solved, enabling the molding of complex sidewall structures and improving molding efficiency and stability.

CN223862871UActive Publication Date: 2026-02-03NANJING VOCATIONAL UNIV OF IND TECH
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Patent Information

Application Number
CN202520476503.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-02-03
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Existing 3D printing equipment struggles to form parts with complex horizontal structures, making them prone to collapse.

Method used

A movable second nozzle is used to spray material in a vertical plane. Combined with the design of lifting and translation joints, the complex structure of the side wall of the part can be formed.

Benefits of technology

It effectively prevents the collapse of the lateral structure of the parts and improves the molding efficiency and stability of complex structural parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of three-dimensional printing, and particularly relates to a preparation device of a metal material for 4D printing, which comprises a square support formed by splicing a plurality of section bars; the lifting pair is arranged on the side wall of the support, the moving end of the lifting pair extends into the support, and a bearing mechanism is arranged at the moving end of the lifting pair; the first translation pair is arranged at the top of the support, the moving end of the first translation pair is suitable for translating in the horizontal plane, and a first spray head is arranged at the moving end of the first translation pair; the second translation pair is arranged on the side wall of the support, the moving end of the second translation pair is suitable for translating in the vertical plane, and a second spray head is arranged at the moving end of the second translation pair; the first spray head is arranged at the moving end of the first translation pair and sprays materials to the bearing mechanism so as to form the part, the second spray head movably arranged on the vertical plane is matched, when the bearing mechanism descends, the materials are sprayed to the side wall of the part, and forming of the complex structure of the side wall of the part is completed.
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Description

Technical Field

[0001] This utility model belongs to the field of stereolithography technology, and in particular relates to a metal material preparation device for 4D printing. Background Technology

[0002] The principle of 3D printing technology is based on three-dimensional digital model data, forming the final product by layering materials. These materials can be metals, plastics, ceramics, etc. Existing 3D printing equipment usually uses a support as a base, with a nozzle and support mechanism inside. Material is sprayed from the nozzle onto the support mechanism to complete the part forming. However, this equipment cannot form parts with complex lateral structures, which may be suspended in the air and prone to collapse when formed by the nozzle.

[0003] Therefore, how to prevent the lateral structure of parts from collapsing during molding is a technical problem that urgently needs to be solved in this field.

[0004] It should be noted that the information disclosed in this background section is only for understanding the background technology of the present application concept, and therefore, the above description is not considered to constitute prior art information. Utility Model Content

[0005] This disclosure provides at least one apparatus for preparing metal materials for 4D printing.

[0006] In a first aspect, embodiments of this disclosure provide a metal material preparation apparatus for 4D printing, comprising: a square support frame, which is assembled from several profiles; a lifting joint disposed on the side wall of the support frame, the movable end of the lifting joint extending into the support frame, and the movable end of the lifting joint being provided with a supporting mechanism; a first translation joint disposed on the top of the support frame, the movable end of the first translation joint being adapted to translate in a horizontal plane, and the movable end of the first translation joint being provided with a first nozzle; and a second translation joint disposed on the side wall of the support frame, the movable end of the second translation joint being adapted to translate in a vertical plane, and the movable end of the second translation joint being provided with a second nozzle.

[0007] In one optional embodiment, the lifting pair includes a pair of support rods and a lifting screw; the two ends of the support rods are mounted on the side wall of the profile via mounting seats, and the lifting screw is mounted on the side wall of the profile via bearing seats; the movable end of the lifting pair is a movable plate, the support rods are inserted into the movable plate, and the movable plate is threadedly connected to the lifting screw.

[0008] In one alternative embodiment, a lifting motor is provided on the bearing housing at the top, and the output shaft of the lifting motor is connected to the lifting screw to drive the lifting screw to rotate.

[0009] In one alternative embodiment, a pair of movable beams are provided at the bottom of the movable plate, an adjustment frame is provided on the side wall of the movable beams, and the supporting mechanism is provided at the top of the adjustment frame.

[0010] In one alternative embodiment, the supporting mechanism includes a supporting base plate and a rotating plate rotatably disposed on top of the supporting base plate. The top corner of the supporting base plate is connected to an adjusting frame by bolts, and the rotating plate is adapted to be sprayed with material by a first nozzle.

[0011] In one optional embodiment, the first translational joint includes a first transverse joint and a first longitudinal joint; the first transverse joint and the first longitudinal joint are parallel to the top surface of the bracket, the first transverse joint is disposed on the side wall of the profile, the first longitudinal joint is disposed at the moving end of the first transverse joint, and the first nozzle is disposed at the moving end of the first longitudinal joint.

[0012] In one optional embodiment, the second translational joint includes a second lateral joint and a second longitudinal joint; the second lateral joint and the second longitudinal joint are parallel to the side of the bracket, the second lateral joint is disposed on the side wall of the profile through a connecting beam, the second longitudinal joint is disposed at the moving end of the second lateral joint, and the second nozzle is disposed at the moving end of the second longitudinal joint.

[0013] In one alternative embodiment, the moving end of the second longitudinal joint is provided with a telescopic joint, and the second nozzle is provided at the telescopic end of the telescopic joint.

[0014] In one alternative implementation, the plane containing the second translational joint is located opposite the plane containing the lifting joint.

[0015] The beneficial effect of this utility model is that the metal material preparation device for 4D printing realizes the lifting and lowering of the support mechanism through the lifting pair. The first nozzle is set at the moving end of the first translation pair to spray material onto the support mechanism to form the part. In conjunction with the second nozzle that is moved and set in the vertical plane, material is sprayed onto the side wall of the part when the support mechanism descends, thus completing the forming of the complex structure of the side wall of the part.

[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description, claims, and drawings.

[0017] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 A perspective view of a 4D printing metal material preparation apparatus provided in an embodiment of this disclosure;

[0020] Figure 2 This is a perspective view of a 4D printing metal material preparation apparatus provided in an embodiment of this disclosure.

[0021] In the picture:

[0022] 1. Bracket; 11. Profile;

[0023] 2. Lifting pair;

[0024] 21. Supporting mechanism; 21a. Supporting base plate; 21b. Rotary plate;

[0025] 22. Support rod; 22a. Mounting base;

[0026] 23. Lifting screw; 23a. Bearing housing; 23b. Lifting motor;

[0027] 24. Moving plate; 24a. Moving beam; 24b. Adjusting frame;

[0028] 3. First translational joint; 31. First nozzle; 32. First transverse joint; 33. First longitudinal joint;

[0029] 4. Second translational joint; 41. Second nozzle; 42. Second transverse joint; 43. Second longitudinal joint; 44. Telescopic joint. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0031] In this document, when it is mentioned that a first component is located on a second component, this can mean that the first component can be directly formed on the second component, or that a third component can be inserted between the first and second components. Furthermore, in the accompanying drawings, the thickness of the components may be exaggerated or reduced for the purpose of effectively describing the technical content.

[0032] The terminology used herein is for the purpose of describing specific exemplary configurations only and is not intended to be limiting. As used herein, the singular articles “a,” “an,” and “the” may also be intended to include plural forms unless otherwise clearly stated herein. The terms “comprising,” “including,” and “having” are inclusive and thus specify the presence of features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein should not be construed as requiring them to be performed in the specific order discussed or shown, unless specifically identified as such. Additional or alternative steps may be employed.

[0033] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.

[0034] Research has revealed that if a part in the existing technology has a complex transverse mechanism, it is difficult to form using a longitudinal nozzle. This is the problem and objective that the utility model aims to solve.

[0035] Based on the above research, this disclosure provides a 4D printing metal material preparation apparatus, which uses a movable second nozzle arranged in a vertical plane to spray and form the transverse structure of the sidewall of a part.

[0036] The shortcomings of the above solutions are the result of the utility model inventor's practice and careful research. Therefore, the discovery process of the above problems and the solutions proposed in this disclosure should be considered as contributions made by the utility model inventor to this disclosure.

[0037] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0038] The following detailed description, with reference to the accompanying drawings, describes some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0039] See Figures 1 to 2 This paper illustrates a 4D printing metal material preparation apparatus, comprising: a square support 1, which is assembled from several profiles 11; a lifting joint 2, disposed on the side wall of the support 1, the movable end of the lifting joint 2 extending into the support 1, and the movable end of the lifting joint 2 being provided with a support mechanism 21; a first translation joint 3, disposed on the top of the support 1, the movable end of the first translation joint 3 being adapted to translate in a horizontal plane, and the movable end of the first translation joint 3 being provided with a first nozzle 31; and a second translation joint 4, which is provided with... The second translation joint 4 is placed on the side wall of the bracket 1. The moving end of the second translation joint 4 is adapted to translate in the vertical plane, and the moving end of the second translation joint 4 is provided with a second nozzle 41. In short, the lifting joint 2 realizes the lifting of the supporting mechanism 21. The first nozzle 31 is set at the moving end of the first translation joint 3 to spray material onto the supporting mechanism 21 to form the part. In conjunction with the moving second nozzle 41 set in the vertical plane, when the supporting mechanism 21 descends, material is sprayed onto the side wall of the part to complete the forming of the complex structure of the side wall of the part.

[0040] In some embodiments, the lifting pair 2 includes a pair of support rods 22 and a lifting screw 23; the two ends of the support rods 22 are mounted on the side wall of the profile 11 via mounting seats 22a, and the lifting screw 23 is mounted on the side wall of the profile 11 via bearing seats 23a; the movable end of the lifting pair 2 is a movable plate 24, the support rods 22 are inserted into the movable plate 24, and the movable plate 24 is threadedly connected to the lifting screw 23; in short, the movable plate 24 is slidably mounted on the support rods 22, the lifting screw 23 is threadedly connected to the movable plate 24, and the lifting of the movable plate 24 is completed by the rotation of the lifting screw 23.

[0041] In some embodiments, a lifting motor 23b is provided on the bearing seat 23a at the top. The output shaft of the lifting motor 23b is connected to the lifting screw 23 to drive the lifting screw 23 to rotate. In short, the output shaft of the lifting motor 23b is connected to the lifting screw 23 through a coupling to complete the rotation of the lifting screw 23.

[0042] In some embodiments, a pair of movable beams 24a are provided at the bottom of the movable plate 24, and an adjustment frame 24b is provided on the side wall of the movable beam 24a. The supporting mechanism 21 is provided on the top of the adjustment frame 24b. In short, the movable beams 24a are bolted to the bottom of the movable plate 24, and the adjustment frame 24b is provided on the movable beams 24a to support the supporting mechanism 21, thereby realizing the lifting and lowering of the supporting mechanism 21.

[0043] In some embodiments, the supporting mechanism 21 includes a supporting base plate 21a and a rotating plate 21b rotatably disposed on top of the supporting base plate 21a. The top corner of the supporting base plate 21a is connected to the adjusting frame 24b by bolts. The rotating plate 21b is adapted to be sprayed with material by the first nozzle 31. In short, a motor is provided at the bottom of the supporting base plate 21a, and the rotating plate 21b is mounted on the rotating shaft of the motor to complete the rotation of the rotating plate 21b. Compared with the supporting mechanism 21 that cannot rotate, for the molding of rotating parts, only the rotating plate 21b needs to be rotated, without moving the spray head, which greatly improves the molding efficiency.

[0044] In some embodiments, the first translation joint 3 includes a first transverse joint 32 and a first longitudinal joint 33; the first transverse joint 32 and the first longitudinal joint 33 are parallel to the top surface of the support 1, the first transverse joint 32 is disposed on the side wall of the profile 11, the first longitudinal joint 33 is disposed at the moving end of the first transverse joint 32, and the first nozzle 31 is disposed at the moving end of the first longitudinal joint 33; in short, the first transverse joint 32 and the first longitudinal joint 33 can be selected as electric cylinders or rodless cylinders. Through the cooperation of the first transverse joint 32 and the first longitudinal joint 33, the first nozzle 31 can be translated in the horizontal plane to complete the fixed-point spraying of materials.

[0045] In some embodiments, the second translation joint 4 includes a second transverse joint 42 and a second longitudinal joint 43; the second transverse joint 42 and the second longitudinal joint 43 are parallel to the side of the bracket 1, the second transverse joint 42 is disposed on the side wall of the profile 11 via a connecting beam, the second longitudinal joint 43 is disposed at the moving end of the second transverse joint 42, and the second nozzle 41 is disposed at the moving end of the second longitudinal joint 43. The second transverse joint 42 and the second longitudinal joint 43 can be selected as electric cylinders or rodless cylinders. Through the cooperation of the second transverse joint 42 and the second longitudinal joint 43, the second nozzle 41 can be translated in the vertical plane to spray material toward the side wall of the part.

[0046] In some embodiments, the moving end of the second longitudinal joint 43 is provided with a telescopic joint 44, and the second nozzle 41 is provided at the telescopic end of the telescopic joint 44; in short, by providing the telescopic joint 44, the second nozzle 41 can be brought closer to / away from the part, better spraying the material and preventing the material from collapsing.

[0047] In some embodiments, the plane of the second translation pair 4 is located opposite the plane of the lifting pair 2; in short, this design enables the 4D printing metal material preparation device provided by this utility model to have a uniform weight distribution and improve the stability of the device.

[0048] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0049] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence unless expressly indicated herein. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer, or segment discussed above may be referred to as the second element, component, region, layer, or segment.

[0050] Spatially relative terms, such as “inside,” “outside,” “below,” “below,” “down,” “above,” “up,” etc., may be used herein to describe the relationship between one element or feature illustrated in the figures and another element or feature. In addition to the orientations depicted in the figures, spatially relative terms may be intended to cover different orientations of the device in use or operation. For example, if the device in the figure is flipped, an element described as “below” or “below” other elements or features would be oriented as “above” other elements or features. Thus, the example term “below” can cover both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein are interpreted accordingly.

[0051] In the above discussion, unless otherwise stated, when used to describe numerical values, the terms “about,” “approximately,” “basically,” etc., indicate a change of + / - 10% in that value.

[0052] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A metal material preparation device for 4D printing, characterized in that, include: A square bracket (1) is made of several profiles (11) spliced ​​together; A lifting pair (2) is provided on the side wall of the bracket (1). The moving end of the lifting pair (2) extends into the bracket (1), and the moving end of the lifting pair (2) is provided with a supporting mechanism (21). The first translation pair (3) is disposed on the top of the bracket (1), the moving end of the first translation pair (3) is adapted to translate in the horizontal plane, and the moving end of the first translation pair (3) is provided with a first nozzle (31). The second translation pair (4) is disposed on the side wall of the bracket (1), the moving end of the second translation pair (4) is adapted to translate in the vertical plane, and the moving end of the second translation pair (4) is provided with a second nozzle (41).

2. The 4D printing metal material preparation apparatus as described in claim 1, characterized in that, The lifting pair (2) includes a pair of support rods (22) and a lifting screw (23); The two ends of the support rod (22) are mounted on the side wall of the profile (11) through mounting bases (22a), and the lifting screw (23) is mounted on the side wall of the profile (11) through bearing seats (23a). The moving end of the lifting pair (2) is a moving plate (24), the supporting light rod (22) is inserted into the moving plate (24), and the moving plate (24) is threadedly connected to the lifting screw (23).

3. The 4D printing metal material preparation apparatus as described in claim 2, characterized in that, A lifting motor (23b) is provided on the bearing housing (23a) at the top. The output shaft of the lifting motor (23b) is connected to the lifting screw (23) to drive the lifting screw (23) to rotate.

4. The 4D printing metal material preparation apparatus as described in claim 3, characterized in that, The bottom of the movable plate (24) is provided with a pair of movable beams (24a), the side wall of the movable beams (24a) is provided with an adjustment frame (24b), and the support mechanism (21) is provided on the top of the adjustment frame (24b).

5. The 4D printing metal material preparation apparatus as described in claim 1, characterized in that, The supporting mechanism (21) includes a supporting base plate (21a) and a rotating plate (21b) rotatably disposed on top of the supporting base plate (21a). The top corner of the supporting base plate (21a) is connected to the adjusting frame (24b) by bolts. The rotating plate (21b) is adapted to be sprayed with material by the first nozzle (31).

6. The 4D printing metal material preparation apparatus as described in claim 1, characterized in that, The first translational joint (3) includes a first transverse joint (32) and a first longitudinal joint (33); The first transverse joint (32) and the first longitudinal joint (33) are parallel to the top surface of the bracket (1), the first transverse joint (32) is disposed on the side wall of the profile (11), the first longitudinal joint (33) is disposed at the moving end of the first transverse joint (32), and the first nozzle (31) is disposed at the moving end of the first longitudinal joint (33).

7. The 4D printing metal material preparation apparatus as described in claim 1, characterized in that, The second translational joint (4) includes a second transverse joint (42) and a second longitudinal joint (43); The second transverse pair (42) and the second longitudinal pair (43) are parallel to the side of the bracket (1), the second transverse pair (42) is set on the side wall of the profile (11) through a connecting beam, the second longitudinal pair (43) is set at the moving end of the second transverse pair (42), and the second nozzle (41) is set at the moving end of the second longitudinal pair (43).

8. The 4D printing metal material preparation apparatus as described in claim 7, characterized in that, The moving end of the second longitudinal joint (43) is provided with a telescopic joint (44), and the second nozzle (41) is provided at the telescopic end of the telescopic joint (44).

9. The 4D printing metal material preparation apparatus as described in claim 1, characterized in that, The plane of the second translation joint (4) is located opposite the plane of the lifting joint (2).