CN116274867A

CN116274867A - 3D printing product auxiliary tool and application method thereof

Info

Publication number: CN116274867A
Application number: CN202310325260.5A
Authority: CN
Inventors: 王志勇; 张璐; 杜文强; 白晋成; 田永刚
Original assignee: Shared Intelligent Equipment Anhui Co ltd
Current assignee: Shared Intelligent Equipment Anhui Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-06-23

Abstract

The application relates to a 3D prints product auxiliary fixtures, including the frock body, the bottom surface of frock body is the plane, the plane is used for supporting the frock body, the top surface of frock body is along with the profile, along with the profile with one of them face shape assorted of 3D printing product, just along with at least one side of profile is provided with location portion, works as 3D printing product is in along with the profile when, location portion with 3D printing product location cooperation. The application further relates to a using method of the auxiliary fixture for the 3D printing product. The problem that printing fashioned 3D prints the product and has the transport difficulty, harden inconvenient, transportation security subalternation can be solved to this scheme.

Description

3D printing product auxiliary tool and application method thereof

Technical Field

The invention relates to the technical field of equipment tools, in particular to an auxiliary tool for a 3D printing product and a using method thereof.

Background

3DP molding technology has developed so far, and is increasingly favored for decorative components because of its superior process, materials and properties that can be used in different fields. The traditional decorative components are usually manufactured by adopting processes such as mold reproduction and the like, and the decorative components have the problems of long processing period, large waste of raw materials, large pollution in the manufacturing process, large weight of products and the like; and the modeling is single. The 3DP forming process can consider the product structure from the beginning of design, and uniformly consider the product structure during the process structural design, so that the product structure is optimized, the decorative component can be integrally formed, and the product structure is applicable to the decorative component with a complex structure.

With the continuous improvement of artistic literacy of people, the requirements on the aesthetic property, the complexity and the singularity of decorative components are increasing. Because the 3DP sand mould printing process does not need to add any support, the complexity of the model structure is insensitive, the design freedom degree of the model can be greatly improved, and the method is suitable for direct printing of various products with complex structures, so that the structure of the formed product is more and more complex. However, such products have various inconveniences in the production process, such as difficulty in handling, inconvenience in hardening, poor transportation safety, etc., due to the special-shaped structure, thereby affecting various properties of the products.

Disclosure of Invention

Based on the above, it is necessary to provide an auxiliary fixture for a 3D printed product and a method for using the same, which solve the problems of difficult transportation, inconvenient hardening, and poor transportation safety of the 3D printed product formed by printing.

In order to solve the problems, the invention adopts the following technical scheme:

in a first aspect, an embodiment of the invention discloses a 3D printing product auxiliary tool, which comprises a tool body, wherein the bottom surface of the tool body is a plane, the plane is used for supporting the tool body, the top surface of the tool body is a follow-up surface, the follow-up surface is matched with one surface of a 3D printing product in shape, and at least one side of the follow-up surface is provided with a positioning part, and when the 3D printing product is positioned on the follow-up surface, the positioning part is matched with the 3D printing product in a positioning way.

In one embodiment, the tool body is integrally formed in a 3D printing mode.

In one embodiment, the tool body is a hollow structural member.

In one embodiment, a plurality of holes communicated with the inner cavity of the tool body are formed in the bottom of the tool body at intervals.

In one embodiment, a plurality of knockout holes communicated with the inner cavity are formed in the following molded surface at intervals, and the knockout holes face the holes.

In one embodiment, the diameter of the knockout hole is gradually smaller in the direction of the knockout hole toward the hole.

In one embodiment, the tool further comprises a plurality of reinforcing ribs, and the plurality of reinforcing ribs are in cross connection with the inner cavity of the tool body.

In one embodiment, the tool further comprises a carrying member, the tool body is provided with a connecting portion, the carrying member is connected and matched with the connecting portion, and two ends of the carrying member protrude out of the tool body.

In one embodiment, the carrying member includes a first carrying portion and a second carrying portion, a through hole is formed in a length direction of the tool body, a connecting groove is formed in a width direction of the tool body, the through hole and the connecting groove are parallel to the bottom surface, a distance between a highest point of the through hole and the bottom surface is greater than a distance between a highest point of the connecting groove and the bottom surface, the first carrying portion is connected and matched with the through hole, and the second carrying portion is connected and matched with the connecting groove.

In a second aspect, an embodiment of the present invention discloses a method for using a 3D printed product auxiliary tool, which is applied to the 3D printed product auxiliary tool described above, including:

combining, printing and forming the 3D printing product auxiliary tool and the 3D printing product;

cleaning surface floating sand of the 3D printing product and the auxiliary tool of the 3D printing product;

penetrating the carrying piece into the connecting part, taking the protruding part connecting part as a lifting point, and carrying the 3D printing product auxiliary tool bearing the 3D printing product to a preset position integrally;

the 3D printing product auxiliary tool is used as a support, and hardening operation is carried out on the 3D printing product;

and 3D printing product auxiliary fixtures bearing 3D printing products are fixed on the tray to realize integral transportation.

The technical scheme adopted by the invention can achieve the following beneficial effects:

in the 3D printing product auxiliary tool disclosed by the embodiment of the invention, the follow-up surface matched with the structure of the 3D printing product is designed, so that the 3D printing product auxiliary tool matched with each 3D printing product is formed, the subsequent production and transportation of the 3D printing product are more convenient, the 3D printing product auxiliary tool can ensure the subsequent production and transportation of the 3D printing product no matter how complex the structure of the 3D printing product is, is particularly suitable for the 3D printing product with complex structure, peculiar modeling and thin-wall structure, has good operability and safety, and can better solve the problems of difficult transportation, inconvenient hardening, poor transportation safety and the like of the existing 3D printing product.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary tool for a 3D printing product according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an auxiliary fixture for a 3D printing product according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of fig. 2 at another view angle.

Reference numerals illustrate:

100-tooling body, 110-following profile, 111-positioning part, 112-knockout hole, 120-hole, 130-perforation, 140-connecting groove, 200-3D printing product and 300-handling piece.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, an embodiment of the present invention discloses a 3D printed product auxiliary tool, and the disclosed 3D printed product auxiliary tool is used for operations such as lifting, hardening, packaging and shipping of 3D printed products, and the 3DP auxiliary tool includes a tool body 100.

The bottom surface of frock body 100 is the plane, and the plane is used for supporting frock body 100, and the plane can guarantee the stability of placing of 3D printing product auxiliary fixtures. It should be noted that, in the process of manufacturing the auxiliary fixture for the 3D printed product, the largest bonding surface can be selected as the bottom surface, i.e. the supporting surface of the auxiliary fixture.

The top surface of frock body 100 is along with profile 110, along with profile 110 and 3D printing product 200 wherein one side shape phase-match to guarantee that one side of 3D printing product 200 can laminate on along with profile 110, and along with at least one side of profile 110 is provided with location portion 111, when 3D printing product 200 is in along with profile 110, location portion 111 and 3D printing product 200 location cooperation, realize the location fixed to 3D printing product 200 through location portion 111 promptly, in order to prevent to laminate the position of following the 3D printing product on the profile 110 and produce the skew, in order to guarantee the assembly effect of both.

As can be seen from the above, in the 3D printed product auxiliary tool disclosed in the embodiment of the present invention, by designing the following surface 110 matched with the structure of the 3D printed product 200, the 3D printed product auxiliary tool matched with each 3D printed product 200 is formed, so that the subsequent production and transportation of the 3D printed product 200 are more convenient, and the 3D printed product auxiliary tool can ensure the subsequent production and transportation of the 3D printed product 200 no matter how complex the structure of the 3D printed product 200 is, and is particularly suitable for 3D printed products with complex structure, peculiar shape and thin wall structure, and can have good operability and safety, and can better solve the problems of difficult transportation, inconvenient hardening, poor transportation safety and the like of the existing 3D printed products.

In the embodiment of the invention, the tool body 100 may be integrally formed in a 3D printing manner. The shaping that this kind of mode made frock body 100 is easier, moreover, in the shaping in-process, through the structure of contrast 3D printing product 200 for 3D printing product auxiliary fixtures and 3D printing product merge print the shaping, thereby guarantee that the connection coincide nature between 3D printing product auxiliary fixtures and the 3D printing product is better, and then guarantee the follow-up production and the transportation effect of 3D printing product 200 better.

In the embodiment disclosed in the present invention, the tool body 100 may be a hollow structural member. Under the condition, on one hand, the weight of the tool body 100 can be greatly reduced, so that the whole carrying is convenient, on the other hand, the using amount of raw materials can be saved, the production cost can be reduced, and the rapid forming can be realized. In a specific molding process, the three-dimensional model of the tool body 100 may be first subjected to shell-drawing treatment, that is, a solid member is shell-drawn into a hollow member, and then manufactured.

Meanwhile, when the tool body 100 is a hollow structural member, the wall thickness of the main body of the tool body 100 is designed by adopting a shell drawing method, specifically, a shell drawing instruction is adopted to draw a three-dimensional model of the tool body 100 in three-dimensional design software, so that the tool body 100 with the hollow shell with the wall thickness of 30-40 mm can be obtained, and the shell of the tool body 100 is obtained. In this embodiment, the wall thickness of the housing of the tool body 100 may be 40mm, so as to ensure the overall strength of the tool body 100.

Further, the bottom of the tool body 100 may be provided with a plurality of holes 120 communicating with the inner cavity of the tool body 100 at intervals, so as to reduce weight and save material cost. Optionally, in a specific manufacturing process, the ground with the holes 120 may be formed by 3D printing; the bottom of the tool body 100 may be designed to be in an open state, and then a reinforcing structure is laid on the bottom by welding, bonding, or the like, so that the reinforcing structure forms the hole 120 as described above, which is not limited in the embodiment of the present invention.

Further, a plurality of knockout holes 112 may be provided on the molding surface 110 at intervals, and the knockout holes 112 may face the holes 120. In this case, when the 3D printing product 200 is disposed on the following surface 110, the waste sand remaining on the 3D printing product 200 may flow into the inner cavity of the tool body 100 through the hole 120 and then be discharged through the hole 120, so as to facilitate the sand cleaning process of the 3D printing product. Meanwhile, a corresponding sand blowing device can be further arranged, when the 3D printing product 200 is arranged on the molding surface 110, the sand blowing device works, and then floating sand on the 3D printing product 200 is cleaned out through the sand falling holes 112, so that the cleanliness of the 3D printing product is ensured.

Further, the diameter of the knockout hole 112 may be gradually smaller in the direction of the knockout hole 112 toward the hole 120. That is, when the 3D printing product 200 is disposed on the following surface 110, the opening of the knockout hole 112 towards the 3D printing product is larger, and the opening of the knockout hole 112 towards the hole 120 is smaller, so that the floating sand on the 3D printing product 200 can be ensured to flow out easily through the knockout hole 112, and the overall strength of the tool body 100 can be ensured. Of course, the knockout hole 112 may have other shapes, and embodiments of the present invention are not limited in this regard.

The auxiliary fixture for the 3D printing product disclosed by the embodiment of the invention can further comprise a plurality of reinforcing ribs, and the plurality of reinforcing ribs can be cross-connected in the inner cavity of the fixture body 100. Under this kind of condition, a plurality of strengthening ribs can guarantee the bulk strength of frock body 100 to prevent that frock body 100 from producing the deformation in transport, clearance, rubber coating in-process, and then guarantee the installation effect between 3D printing product 200 and the 3D printing product auxiliary fixtures.

Further, the shape of the reinforcing rib is tightly attached to the inner wall of the tool body 100, and the thickness of the reinforcing rib may be equal to the thickness of the main wall thickness of the tool body 100, optionally, the reinforcing rib may be disposed at the center of the inner wall of the tool body 100. The thickness of the reinforcing ribs in the embodiment can be 40mm, the height of the reinforcing ribs is flush with the bottom surface, and the reinforcing ribs are distributed in a net shape as a whole.

The auxiliary fixture for 3D printed products disclosed in the embodiment of the present invention may further include a carrying member 300, the fixture body 100 may be provided with a connection portion, the carrying member 300 may be connected and matched with the connection portion, and two ends of the carrying member 300 may protrude from the fixture body 100. Under the condition, the whole transportation of the auxiliary tool is realized through the carrying piece 300, so that the problems of difficult carrying, inconvenient hardening, poor transportation safety and the like of the existing 3D printing product are solved better.

Further, the carrying member 300 may include a first carrying portion and a second carrying portion, the length direction of the tool body 100 may be provided with a through hole 130, the width direction of the tool body 100 may be provided with a connecting groove 140, the connecting groove 140 may be a oblong hole groove, the through hole 130 and the connecting groove 140 may be parallel to the bottom surface, so as to facilitate carrying stability, and a distance between a highest point of the through hole 130 and the bottom surface may be greater than a distance between a highest point of the connecting groove 140 and the bottom surface, so that an influence on strength of the auxiliary tool is small, the first carrying portion and the through hole 130 may be connected and matched, the second carrying portion and the connecting groove 140 may be connected and matched, and finally integral carrying of the auxiliary tool and the 3D printed product 200 is realized.

Further, the embodiment of the invention can further comprise a manufacturing method of the 3D printing product auxiliary tool, and specifically, the manufacturing method comprises structural design of the 3D printing product auxiliary tool and hardening treatment of the 3D printing product auxiliary tool. The structural design of the auxiliary fixture of the 3D printing product comprises structural design, main body wall thickness design, reinforced structural design and sand removal structural design; the hardening treatment of the auxiliary tool of the 3D printing product comprises surface cleaning and glue seepage hardening.

The structural design of the 3D printing product auxiliary tool can comprise a contact surface shape design, a demolding direction selection and a placement surface structure design.

The main body wall thickness design of the 3D printing product auxiliary tool is to perform shell drawing treatment on a three-dimensional model of the 3D printing product auxiliary tool, namely, a solid component is taken out to be a hollow shell, so that on one hand, the weight of a carrying device can be greatly reduced, the using amount of raw materials is saved, the production cost is reduced, and on the other hand, a shell with a certain thickness can be provided for hardening treatment.

The reinforcing structural design of the 3D printing product auxiliary tool is that on one hand, the shape-following reinforcing ribs are arranged on the inner wall of the 3D printing product auxiliary tool, the shape-following reinforcing ribs can increase the structural strength of the 3D printing product auxiliary tool, and the 3D printing product auxiliary tool can be prevented from being damaged due to insufficient strength in the cleaning and transferring processes. On the other hand, a through bar groove or a hole is designed at the bottom of the 3D printing product auxiliary tool, a steel skeleton is inserted during lifting, the overall strength and rigidity of the 3D printing product auxiliary tool are enhanced, and the stability and safety of the lifting process are ensured.

Based on the 3D printing product auxiliary tool disclosed by the embodiment of the invention, the embodiment of the invention also discloses a use method of the 3D printing product auxiliary tool, which is applied to the 3D printing product auxiliary tool disclosed by the embodiment, and comprises the following steps:

and combining the 3D printing product auxiliary tool with the 3D printing product 200 for printing and forming.

Cleaning surface floating sand of the 3D printing product 200 and the 3D printing product auxiliary tool.

The carrying member 300 is inserted into the connecting portion, and the 3D printing product auxiliary tool supporting the 3D printing product 200 is integrally carried to a predetermined position by taking the protruding portion of the connecting portion as a lifting point.

And (3) hardening the 3D printing product 200 by using the auxiliary tool of the 3D printing product as a support.

The 3D printing product auxiliary tool bearing the 3D printing product 200 is fixed on the tray to realize integral transportation.

In summary, the mode makes the subsequent production and transportation of the 3D printed product 200 more convenient, and no matter how complex the structure of the 3D printed product 200 is, the 3D printed product auxiliary tool can ensure the subsequent production and transportation of the 3D printed product 200, and is particularly suitable for the 3D printed product with complex structure, peculiar modeling and thin wall structure, and has good operability and safety, and can better solve the problems of difficult transportation, inconvenient hardening, poor transportation safety and the like of the existing 3D printed product.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides a 3D prints product auxiliary fixtures, its characterized in that, includes frock body (100), the bottom surface of frock body (100) is the plane, the plane is used for supporting frock body (100), the top surface of frock body (100) is along with profile (110), along with profile (110) and one of them face shape assorted of 3D printing product (200), just along with at least one side of profile (110) is provided with location portion (111), works as 3D printing product (200) are in along with during profile (110), location portion (111) with 3D printing product (200) location cooperation.

2. The 3D printing product auxiliary tool according to claim 1, wherein the tool body (100) is integrally formed in a 3D printing mode.

3. The 3D printed product auxiliary tool according to claim 1, wherein the tool body (100) is a hollow structural member.

4. A 3D printed product auxiliary tool according to claim 3, wherein the bottom of the tool body (100) is provided with a plurality of holes (120) which are communicated with the inner cavity of the tool body (100) at intervals.

5. The 3D printing product auxiliary tool according to claim 4, wherein a plurality of sand falling holes (112) communicated with the inner cavity are formed on the follow-up surface (110) at intervals, and the sand falling holes (112) face the holes (120).

6. The 3D printed product aid according to claim 5, wherein the diameter of the knockout hole (112) is gradually smaller in the direction of the knockout hole (112) towards the hole (120).

7. A 3D printed product aid according to claim 3, further comprising a plurality of stiffeners cross-connected in the cavity of the tool body (100).

8. The 3D printing product auxiliary tool according to claim 1, further comprising a carrying member (300), wherein the tool body (100) is provided with a connecting portion, the carrying member (300) is connected and matched with the connecting portion, and two ends of the carrying member (300) protrude out of the tool body (100).

9. The 3D printing product auxiliary tool according to claim 8, wherein the carrying member (300) comprises a first carrying portion and a second carrying portion, a through hole (130) is formed in the length direction of the tool body (100), a connecting groove (140) is formed in the width direction of the tool body (100), the through hole (130) and the connecting groove (140) are parallel to the bottom surface, the distance between the highest point of the through hole (130) and the bottom surface is greater than the distance between the highest point of the connecting groove (140) and the bottom surface, the first carrying portion is connected and matched with the through hole (130), and the second carrying portion is connected and matched with the connecting groove (140).

10. A method for using a 3D printed product auxiliary tool, applied to the 3D printed product auxiliary tool as claimed in any one of claims 8 to 9, comprising:

combining, printing and forming the 3D printing product auxiliary tool and the 3D printing product (200);

cleaning surface floating sand of the 3D printing product (200) and the 3D printing product auxiliary tool;

penetrating the carrying piece (300) into the connecting part, taking the protruding part connecting part as a lifting point, and carrying the 3D printing product auxiliary tool bearing the 3D printing product (200) to a preset position integrally;

the 3D printing product auxiliary tool is used as a support, and hardening operation is carried out on the 3D printing product (200);

and fixing the 3D printing product auxiliary tool bearing the 3D printing product (200) on the tray to realize integral transportation.