CN212708037U

CN212708037U - Post-processing device

Info

Publication number: CN212708037U
Application number: CN202021094649.1U
Authority: CN
Inventors: 张恒
Original assignee: Zhuhai Sailner 3D Technology Co Ltd
Current assignee: Zhuhai Sailner 3D Technology Co Ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-03-16
Anticipated expiration: 2030-06-12

Abstract

The application discloses aftertreatment device, this aftertreatment device include box and elastic component, the box has and holds the chamber, elastic component set up in hold the intracavity for the support is put into hold the model of intracavity, and drive through its self vibration the model vibration, make not shaping powder with the model separation. This application drives the model vibration through elastic component's vibration, and then makes not shaping powder and model separation, has improved efficiency, and can thoroughly be with not shaping powder clean up on the model.

Description

Post-processing device

Technical Field

The application relates to the technical field of powder forming processes, in particular to a post-processing device for a powder forming process.

Background

The existing powder molding systems obtain a constructed model by layer-by-layer accumulation and solidification of powder materials in a molding cylinder. Since some of the unformed powder adheres to the surface or in the gaps of the mold, the unformed powder needs to be cleaned after the completion of the building operation to separate the unformed powder from the mold.

The post-processing methods commonly used at present include suction or manual scraping and manual beating methods to remove the un-formed powder, which depend on manual labor, require a long time and are not thorough in processing and are prone to damage to the surface of the model to some extent.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems existing in the prior art, the main object of the present application is to provide an after-treatment device which can clean the un-molded powder on the mold and has high efficiency.

In order to achieve the above purpose, the following technical solutions are specifically adopted in the present application:

the application provides an aftertreatment device, this aftertreatment device includes:

a case having a receiving cavity;

and the elastic component is arranged in the accommodating cavity and used for supporting a model placed in the accommodating cavity and driving the model to vibrate through the vibration of the elastic component, so that the unformed powder is separated from the model.

Preferably, the elastic assembly comprises at least one elastic member, wherein at least one elastic member is located at a lower portion of the receiving cavity for supporting the mold.

Preferably, the elastic assembly comprises at least two elastic members, wherein a part of the elastic members are positioned at the lower part of the accommodating cavity, and a part of the elastic members are positioned at the upper part and/or the side part of the accommodating cavity.

Preferably, the elastic member is detachably connected with the accommodating cavity, or the elastic member and the elastic member are detachably connected with each other.

Preferably, the aftertreatment device further comprises a resilient ball disposed on at least one of the elastic members.

Preferably, at least two elastic pieces are arranged on the same side of the accommodating cavity, and the elastic ball is arranged between two adjacent elastic pieces on the same side of the accommodating cavity.

Preferably, the elastic member arranged at the lower part of the accommodating cavity is an elastic net, and the mesh size of the elastic net is larger than that of the unformed powder.

Preferably, the post-processing apparatus further comprises a collection assembly for collecting the unmolded powder separated from the mold.

Preferably, the aftertreatment device further comprises a flexible member, and the flexible member is arranged on the inner wall of the accommodating cavity.

Preferably, the post-processing device further comprises a motor connected with the elastic component and used for controlling the frequency, intensity and duration of vibration generated by the elastic component.

Preferably, the post-treatment device further comprises a sand blasting assembly for sanding the model.

Preferably, the sandblasting assembly comprises a sandblasting box and at least one air-jet pipe, wherein the sandblasting box is filled with fine sand, and the air-jet pipe is used for introducing air flow to the bottom of the sandblasting box so as to make the fine sand flow.

Preferably, the sandblasting assembly further comprises a screen provided at the air-jet port of the air-jet pipe, and a mesh size of the screen is smaller than a size of the fine sand.

Preferably, the sandblast assembly further comprises an air pump, wherein the air pump is connected with the air injection pipe and is used for introducing air into the sandblasting box through the air injection pipe.

Compared with the prior art, the post-processing device comprises a box body and an elastic component, wherein the box body is provided with a containing cavity, the elastic component is arranged in the containing cavity and used for supporting a model placed in the containing cavity, and the model is driven to vibrate through vibration of the elastic component, so that unformed powder is separated from the model, the efficiency is improved, and the unformed powder on the model can be thoroughly cleaned.

Drawings

Fig. 1 is a perspective view of an aftertreatment device according to an embodiment of the present application.

Fig. 2 is a perspective view of an aftertreatment device according to another embodiment of the application.

Fig. 3 is a perspective view of an aftertreatment device according to another embodiment of the application.

Fig. 4 is a perspective view of an aftertreatment device according to another embodiment of the application.

Fig. 5 is a perspective view of an aftertreatment device according to another embodiment of the application.

Fig. 6 is a perspective view of an aftertreatment device according to another embodiment of the application.

Fig. 7 is a perspective view of an aftertreatment device according to another embodiment of the application.

Fig. 8 is a perspective view of an aftertreatment device according to another embodiment of the application.

Fig. 9 is a perspective view of an aftertreatment device according to another embodiment of the application.

Fig. 10 is a perspective view of a grit blasting assembly provided in embodiments of the present application.

The attached drawings are as follows:

1. a box body; 11. an accommodating chamber; 2. an elastic component; 21. an elastic member; 201. a first elastic member; 202. a second elastic member; 203. a third elastic member; 204. a fourth elastic member; 205. a fifth elastic member; 206. a sixth elastic member; 22. a resilient ball; 3. a model; 4. a sandblasting assembly; 41. a sand blasting box; 42. a gas ejector tube; 43. an air pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

The embodiment of the application discloses a post-processing device, which is used for post-processing a model formed by powder to separate unformed powder from the model. Referring to fig. 1, the post-processing device comprises a box body 1 and an elastic component 2, wherein a containing cavity 11 is formed in the box body 1, the elastic component 2 is arranged in the containing cavity 11 and used for supporting a model 3 placed in the containing cavity and driving the model 3 to vibrate through self vibration, and accordingly unformed powder can be separated from the model 3.

This application is through being provided with elastic component 2, and the vibration through elastic component 2 drives the vibration of model 3 for unformed powder is difficult to the adhesion in the surface or the gap of model 3, thereby makes unformed powder separate with model 3, reaches the purpose of getting rid of unformed powder, and the effect of separation is thorough, improved efficiency, and can avoid causing the damage to model 3 surface.

Specifically, in the present embodiment, the elastic member 2 includes only one elastic member 21, the elastic member 21 is disposed at a lower portion of the receiving chamber 11 to provide support to the mold 3, and side edges of the elastic member 21 are connected to an inner wall of the receiving chamber 11. When the mold 3 is placed on the upper surface of the elastic member 21, the elastic member 21 vibrates up and down, and the mold 3 is driven to vibrate up and down, so that the unmolded powder can be separated from the mold 3.

Further, the post-processing device may further comprise a motor connected to the elastic member 2 for controlling the frequency, intensity and duration of the vibration generated by the elastic member 2. The frequency, intensity and duration of the vibrations generated by the elastic assembly 2 depend on the elasticity of the elastic assembly 2 itself, the weight of the model and the force initially applied to the elastic assembly 2, and the vibration process is uncontrollable and ineffective. Thus, the frequency, intensity and duration of the vibrations generated by the elastomeric component 2 may be controlled by the motor. The motor may be disposed inside the case 1 or outside the case 1 as long as it is electrically connected to the elastic member 2.

In the present embodiment, only one elastic member 21 is provided and is connected to the sidewall of the case 1. It is understood that in other embodiments, the number of the elastic members 21 is not limited to one, the number of the elastic members 21 may include two or more, and the elastic members 21 may be connected to other inner walls of the case 1.

Based on the above embodiment, the present application further discloses a specific implementation manner, and referring to fig. 2, in this embodiment, the elastic component 2 includes two elastic members 21, the two elastic members 21 are disposed at intervals at the lower portion of the accommodating cavity 11, and the side edge of each elastic member 21 is connected to the inner wall of the accommodating cavity 11. The mold 3 is placed on the upper surface of the elastic member 21 away from the bottom of the housing 1. Greater vibration intensity can be provided by the plurality of elastic members 21.

In this embodiment, two elastic members 21 are provided at intervals only in the lower portion of the case 1. It is understood that in other embodiments, three or more elastic members 21 may be disposed on the box 1, and the elastic members 21 may be disposed at intervals or disposed close to each other.

Based on the above embodiment, the present application further discloses a specific implementation manner, and referring to fig. 3, in this embodiment, the elastic component 2 includes two elastic members, namely a first elastic member 201 and a second elastic member 202, the first elastic member 201 and the second elastic member 202 are connected to form a V-shaped elastic component, and the side edges of the elastic component are connected to the inner wall of the accommodating cavity 11. In this embodiment, the first elastic member 201 and the second elastic member 202 are integrally formed. In other embodiments, the first elastic member 201 and the second elastic member 202 may be connected together by bonding or clipping.

Based on the above embodiment, the present application further discloses a specific implementation manner, and referring to fig. 4, in this embodiment, the elastic assembly 2 includes two elastic members 21, the two elastic members 21 are respectively located at the upper portion and the lower portion of the accommodating cavity 11, the side edges of the two elastic members 21 are respectively connected with the inner wall of the accommodating cavity 11, and the model 3 is placed between the two elastic members 21. Vibration can be transmitted to the mold 3 from different directions by vibration of the upper and lower elastic members 21, and the purpose of separating the unmolded powder from the mold 3 can be achieved with higher efficiency.

In the present embodiment, two elastic members 21 are respectively located at the upper and lower portions of the accommodating chamber 11. It is understood that in other embodiments, the elastic members 21 are not limited to being located at the upper and lower portions of the accommodating chamber 11, and may be located at other orientations of the accommodating chamber 11 as long as at least one elastic member capable of providing support for the model 3 is satisfied.

Based on the above embodiments, the present application further discloses a specific implementation manner, please refer to fig. 5, in which the elastic component 2 includes 6 elastic members, namely, a first elastic member 201, a second elastic member 202, a third elastic member 203, a fourth elastic member 204, a fifth elastic member 205, and a sixth elastic member 206, and the six elastic members may form a polyhedron, such as a rectangular parallelepiped. The model 3 is located within the polyhedron. Wherein, the sides of the first elastic member 201 and the second elastic member 202 are connected to the inner wall of the case body 1, and the sides of the third elastic member 203, the fourth elastic member 204, the fifth elastic member 205 and the sixth elastic member 206 are connected to the first elastic member 201 and the second elastic member 202. In this way, the first elastic member 201, the second elastic member 202, the third elastic member 203, the fourth elastic member 204, the fifth elastic member 205 and the sixth elastic member 206 transmit vibration to the model 3 from six directions, respectively, so that the vibration effect is improved, and the purpose of separating the unmolded powder from the model 3 is better achieved.

In order to facilitate the cleaning and replacement of the elastic parts, at least one elastic part is detachably connected with the inner wall of the box body and/or the crossed elastic parts, so that the elastic parts are not only convenient to clean and replace, but also can be arranged differently according to the number of the elastic parts and the arrangement position in the box body according to different conditions, and can be conveniently used as an opening of the polyhedron for placing the model 3. Wherein this application does not do specific restriction to at least one elastic component 21 and the inner wall of box 1 and/or the connection detachable implementation of crossing elastic component 21, and the implementation is various, and for example the side of elastic component 21 can include the belt or hang the mouth, and the inner wall of box 1 can set up the couple, as long as make things convenient for the side of elastic component can dismantle with being connected of the inner wall of box 1.

In this embodiment, the elastic component includes 6 elastic members, and the elastic members are connected to each other to form a rectangular structure. It is understood that in other embodiments, the number of the elastic members is not limited to 6, and the elastic members may be connected to each other to form any other polyhedron, and no specific limitation is imposed on which side edges of the elastic members are connected to the side walls of the box body 1, which side edges of the elastic members are connected to the intersecting elastic members, and the like, as long as a plurality of elastic members can form a polyhedron.

Based on the above embodiment, the present application further discloses a specific implementation manner, and referring to fig. 6, in this embodiment, the elastic assembly 2 includes 3 elastic members, which are a first elastic member 201, a second elastic member 202 and a third elastic member 203, respectively, the first elastic member 201 and the second elastic member 202 are disposed at the lower portion of the accommodating cavity 11, respectively, and the third elastic member 203 is disposed at the upper portion of the accommodating cavity 11.

In the present embodiment, two elastic members are provided only at the lower portion of the accommodating chamber 11. It is understood that in other embodiments, three or more elastic members may be provided at the lower portion of the accommodating chamber 11, or a plurality of elastic members, such as two or more elastic members, may be provided at the upper portion and/or the side portion of the accommodating chamber 11.

In order to prevent the unformed powder from being accumulated on the elastic member, the elastic member at least arranged at the lower part of the accommodating cavity 11 can be an elastic net, the mesh size of the elastic net is larger than that of the unformed powder, the elastic member arranged at the lower part of the box body 1 is the elastic net, so that the unformed powder separated from the model 10 can be conveniently filtered out of the elastic net, and the unformed powder can be collected at the bottom of the box body 1. Of course, the elastic member 21 disposed at other positions in the case 1 may be an elastic net.

Further, the post-processing device may further include a collecting component disposed at the bottom of the box 1 for collecting the un-molded powder for recycling and other processing.

Since the model 3 and the box 1 may collide during the vibration process, in this embodiment, a flexible member is further disposed on the inner wall of the box 1 for preventing the box 1 and the model 3 from colliding and causing damage, and the flexible member may be a flexible article such as sponge, felt, etc.

Based on the above embodiment, the present application further discloses a specific implementation manner, and referring to fig. 7, in this embodiment, the elastic component 2 includes an elastic member 21 and a plurality of elastic balls 22, the elastic member 21 is disposed at the lower portion of the accommodating cavity 11, and the periphery of the elastic member 21 is connected with the inner wall of the accommodating cavity 11. The elastic ball 22 is disposed on the elastic member 21, and the elastic ball 22 vibrates between the elastic member 21 and the top of the case 1. When the elastic member 21 and the plurality of elastic balls 22 vibrate due to their own elastic force and/or an external vibrator such as a motor, the plurality of elastic balls 22 may generate a larger or more local elastic force to the model 3 than the elastic member 21, and may also provide vibration to a small model and/or a local part of the model, so as to hit down the unmolded powder adhered to the surface of the model.

Based on the above embodiment, the present application further discloses a specific implementation manner, and referring to fig. 8, in this embodiment, the elastic assembly 2 includes two elastic members 21 and a plurality of elastic balls 22, the two elastic members 21 are respectively located at the upper portion and the lower portion of the accommodating cavity 11, and the elastic balls 22 are located between the two elastic members 21 and can vibrate between the two elastic members 21. When the elastic member 21 and the plurality of elastic balls 22 vibrate due to their own elastic force and/or a vibrator such as an external motor, the elastic member 21 and the elastic balls 22 transmit the vibration to the mold 3, and the plurality of elastic balls 22 generate a larger and more local elastic force to the mold 3 to knock down the unmolded powder adhered to the surface of the mold 3.

The size, number and orientation of the resilient balls 22 are not particularly limited in this embodiment. It is only necessary that the resilient ball is located on at least one of the resilient members.

Based on the above embodiment, the present application further discloses a specific implementation manner, and referring to fig. 9, in this embodiment, the elastic component 2 includes two elastic members 21 and a plurality of elastic balls 22, the two elastic members 21 are disposed at intervals at the lower portion of the accommodating cavity 11, the plurality of elastic balls 22 are disposed between the two elastic members 21, and the mold 3 is disposed on the upper surface of the elastic member 21 away from the bottom of the box 1. The two elastic members 21 are adjacently arranged, and the elastic ball 22 is positioned between the two elastic members 21, so that the moving range of the elastic ball 22 is limited, and the elastic ball 22 is prevented from bouncing out of order. When the elastic member 21 and the elastic balls 22 vibrate due to their own elastic force and/or a vibrator such as an external motor, the elastic member 21 and the elastic balls 22 transmit the vibration to the mold 3, and the elastic members generate a larger elastic force by the plurality of elastic balls 22 to knock down the unmolded powder adhered to the surface of the mold 3.

In the present embodiment, a plurality of elastic balls 22 are provided between adjacent two elastic members located at the lower portion of the case 1. It is understood that in other embodiments, at least two elastic members may be disposed at an upper portion or a side portion of the accommodating chamber 11, and the resilient ball may be disposed between two adjacent elastic members at the upper portion of the accommodating chamber 11, and/or the resilient ball may be disposed between two adjacent elastic members at a side portion of the accommodating chamber 11. That is, in the present embodiment, when the housing chamber 11 is fitted into the model 3, the elastic ball is disposed between two adjacent elastic members located on the same side of the model 3. The design is such that the bouncing ball does not directly contact the model 3 during the vibration. It will be appreciated that when the resilient member is a resilient net, the size of the resilient ball is greater than the mesh size of the resilient net.

In the above embodiment, the case 1 has a rectangular parallelepiped shape, and the elastic member 21 has a rectangular shape. It will be appreciated that in other embodiments the housing 1 and the resilient member 21 may be of other shapes. In the above embodiments, only the number and the arrangement orientation of the elastic members and the elastic balls are schematically illustrated, and no particular limitation is imposed on the number and the arrangement orientation of the elastic members and the elastic balls, and the number and the arrangement orientation of the elastic members and the elastic balls can be other various schemes as long as the claims of the present application are satisfied.

Based on the above embodiment, the present application further discloses a specific implementation manner, and as shown in fig. 10, in this embodiment, the post-processing apparatus further includes a sand blasting assembly 4, and the sand blasting assembly 4 is used for performing sand blasting on the model 3.

After the pattern 3 is subjected to the vibration treatment provided by the elastic member assembly 2 in the cabinet 1, the unmolded powder is separated from the pattern 3, but the surface of the pattern 3 may not be treated uniformly, and therefore, the sandblasting assembly 4 is required to further sand the pattern 3.

Specifically, the blasting assembly 4 includes a blasting box 41 and at least one air blast pipe 42, and the inside of the blasting box 41 contains a certain amount of fine sand. An air flow is introduced to the bottom of the sandblast case 41 through the air jet pipe 42, and the air flow causes fine sand to flow to sand the surface of the pattern 3 placed in the sandblast case 41.

In order to prevent fine sand and/or non-formed powder from clogging the nozzle of the air lance 42, the blasting assembly 4 further comprises a screen disposed at the nozzle of the air lance 42. Wherein the mesh size of the screen is smaller than the size of the fine sand and the size of the unformed powder.

Further, the sand blasting assembly 4 may further include an air pump 43, the air pump 43 is connected to the air injection pipe 42, and air is introduced into the sand blasting box 41 through the air injection pipe 42, the air pump 43 may also be used to control the speed of the air flow introduced by the air injection pipe 42, and the flow speed of the fine sand may be controlled by controlling the speed of the air flow introduced by the air injection pipe 42, so as to control the speed of the sanding.

In this embodiment, the blast box 41 has a rectangular parallelepiped shape, the air nozzle 42 is inserted from the top of the blast box 41, and the air pump 43 blows air into the blast box 41 through the air nozzle 42. It is understood that in other embodiments, the sand-blasting box 41 may have other shapes, and the air-ejecting pipe 42 may be inserted from other positions, as long as the air flow is introduced to the bottom of the sand-blasting box 41, and the amount of the fine sand in the sand-blasting box 41 is not particularly limited, as long as the sand-blasting box is placed in a mold and the fine sand can flow, so as to perform a certain sanding function; gas may also be introduced into the gas lances 42 by hand or other means.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An aftertreatment apparatus, comprising:

a case having a receiving cavity;

2. The aftertreatment device of claim 1, wherein the resilient assembly comprises at least one resilient member, wherein at least one resilient member is located in a lower portion of the cavity for supporting the mold.

3. The aftertreatment device of claim 2, wherein the resilient assembly comprises at least two resilient members, wherein a portion of the resilient members are located in a lower portion of the receiving cavity and a portion of the resilient members are located in an upper portion and/or a side portion of the receiving cavity.

4. An aftertreatment device according to claim 2 or claim 3, wherein the resilient member is removably connected to the chamber or the resilient member and the resilient member are removably connected to one another.

5. An aftertreatment device according to claim 2 or claim 3, further comprising a resilient ball disposed on at least one of the resilient members.

6. The aftertreatment device of claim 5, wherein at least two elastic members are disposed on a same side of the accommodating cavity, and the resilient ball is disposed between two adjacent elastic members on the same side of the accommodating cavity.

7. The aftertreatment device according to claim 2 or 3, wherein the elastic member disposed at the lower portion of the receiving chamber is an elastic net having a mesh size larger than that of the unformed powder.

8. The aftertreatment device of claim 7, further comprising a collection assembly for collecting the unmolded powder separated from the mold.

9. The aftertreatment device of claim 1, further comprising a flexible member disposed on an inner wall of the receiving cavity.

10. The aftertreatment device of claim 1, further comprising a motor coupled to the elastomeric component for controlling a frequency, intensity, and duration of vibration generated by the elastomeric component.

11. The aftertreatment device of claim 1, further comprising a grit blasting assembly for sanding the model.

12. The aftertreatment apparatus of claim 11, wherein the grit blasting assembly comprises a sandblasting box containing fine sand and at least one air jet tube for passing an air stream to a bottom of the sandblasting box to flow the fine sand.

13. The aftertreatment device of claim 12, wherein the grit blast assembly further comprises a screen disposed at the air jet of the air jet, and wherein the screen has a mesh size smaller than the fine sand.

14. The aftertreatment device of claim 12, wherein the blast assembly further comprises an air pump connected to the air jet tube for passing air into the blast box through the air jet tube.