CN211101428U

CN211101428U - Gravel recycling device for 3D sand mold printing

Info

Publication number: CN211101428U
Application number: CN201921972454.XU
Authority: CN
Inventors: 刘中兴; 吴阳; 王洪毅; 刘印
Original assignee: Zhengzhou Zhongxing 3d Technology Co ltd
Current assignee: Zhengzhou Zhongxing 3d Technology Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-07-28
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a gravel recycling device for 3D sand mold printing; comprises a box body, a funnel and a mixing drum; the funnel is arranged at the upper position inside the box body, the side surface of the funnel is connected with at least one spring, the other end of the spring is connected with a supporting rod, and the supporting rod is connected with the inner wall of the box body; a filter screen is arranged on the inner side of the bottom of the funnel, and a vibration motor is arranged on the outer side of the bottom of the funnel; a stirring drum is arranged below the hopper, a stirring motor is arranged at the bottom of the stirring drum, and the stirring motor drives stirring teeth to stir; a feed opening is formed in the mixing drum close to the bottom, the feed opening is connected with a sand pumping pipe, and the sand pumping pipe is connected with a sand shooting machine to pump gravel out of the box body; the utility model directly recovers and treats the redundant gravels after printing through the funnel arranged below the sand box; through the vibrating motor who sets up in the funnel bottom to the filter screen that the cooperation funnel inner wall set up carries out prefilter, the recycle of being convenient for with the gravel.

Description

Gravel recycling device for 3D sand mold printing

Technical Field

The utility model belongs to the technical field of sand mould 3D printing apparatus, especially, relate to a gravel recycle device for 3D sand mould is printed.

Background

The sand mold 3D printing is to print by using a microdrop spraying technology in a mode of paving sand firstly and then selectively spraying fluid with viscosity to a sand surface, so that casting sand is bonded with each other to form a part section, then the process of paving sand and spraying a binder is continuously circulated, and finally a region sprayed with the fluid is bonded to form a three-dimensional sand mold due to drying of the fluid, so that the rapid additive manufacturing of the sand mold for casting is realized.

The sand mould printer is used for stripping the mould in the sand box after the 3D model is printed, then cleaning the broken sand in a water washing mode, is difficult to clean the gravel and is difficult to clean, particularly, the gravel is difficult to directly recycle by cleaning in the water washing mode, and needs to be dried during recycling; the recycling process is relatively troublesome; meanwhile, when the gravel is recycled, part of the gravel is stuck together due to the influence of the binder of the printer, so that the recycling difficulty is increased.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a gravel recycling device for 3D sand mold printing, which directly recycles the redundant gravel after printing through a funnel arranged below a sand box; through the vibrating motor who sets up bottom the funnel to the filter screen that cooperation funnel inner wall set up carries out prefilter with the grit, increases the grit cleanliness factor, the recycle of being convenient for.

The utility model provides a following technical scheme:

a gravel recycling device for 3D sand mold printing; comprises a box body, a funnel and a mixing drum; the funnel is arranged at the upper position inside the box body, the side surface of the funnel is connected with at least one spring, the other end of the spring is connected with a supporting rod, and the supporting rod is connected with the inner wall of the box body; a filter screen is arranged on the inner side of the bottom of the funnel, and a vibration motor is arranged on the outer side of the bottom of the funnel; a stirring drum is arranged below the hopper, a stirring motor is arranged at the bottom of the stirring drum, and the stirring motor drives stirring teeth to stir; the churn is close to the bottom and has seted up the feed opening, and the feed opening is connected with takes out the sand pipe, it is connected with sand shooting machine and takes out the gravel outside the box to take out the sand pipe.

Preferably, the funnel lateral wall sets up four springs, and four springs are the joint support pole all, steadiness when further increasing the sieve and moving the processing.

Preferably, the spring is a hard spring, in particular a compression spring.

Preferably, the mesh number of the filter screens ranges from 60 meshes to 100 meshes.

Preferably, the filter screen adopts a detachable replacement structure so as to be freely replaced.

Preferably, the inner wall of the bottom of the funnel is provided with a plurality of hooks, the periphery of the filter screen is provided with a plurality of hanging ropes, and the hooks are in one-to-one correspondence with the hanging ropes.

Preferably, the top of the stirring cylinder is of an open structure; the barrel body of the mixing barrel is of an inclined structure, and the included angle between the mixing barrel and the horizontal ground is 20-60 degrees.

Preferably, the stirring teeth are connected with a stirring shaft, and the stirring shaft penetrates through the cylinder body and is connected with an output shaft of the stirring motor.

Preferably, the stirring motor and the stirring drum are both connected with a 7-shaped connecting piece, and the connecting pieces are connected with the inner wall of the box body.

Preferably, the other end of the sand pumping pipe connected with the sand shooting machine is connected with a sand blasting head.

Preferably, a sealing rubber ring is arranged at the position where the stirring teeth penetrate through the stirring cylinder.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model relates to a gravel recycle device for 3D sand mould is printed will print after unnecessary gravel directly carry out recovery processing through the funnel that sets up in sand box below, convenient and fast avoids manual operation.

(2) The utility model relates to a gravel recycle device for 3D sand mould is printed, through the vibrating motor who sets up in the funnel bottom to the filter screen that cooperation funnel inner wall set up carries out prefilter with the gravel, increases the grit cleanliness factor, the recycle of being convenient for.

(3) The utility model relates to a grit recycle device for 3D sand mould is printed, the grit after filtering falls into the agitator, stirs, separates the grit that will glue together through the stirring, and the direct recycle of being convenient for further reduces recycle's the degree of difficulty.

(4) The utility model relates to a grit recycle device for 3D sand mould is printed, through the grit machine that sets up in the box directly carry out unified recovery processing with the grit after the stirring, further promote the efficiency that the grit was retrieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a plan view of the present invention.

Fig. 3 is a schematic view of the filter net of the present invention.

In the figure: 1. a box body; 2. a funnel; 3. a mixing drum; 4. a support bar; 5. a spring; 6. a filter screen; 7. a vibration motor; 8. a stirring motor; 9. stirring teeth; 10. shooting a sand machine; 11. a connecting member; 12. a sand pumping pipe; 13. a sand blasting head; 14. hanging a rope; 15. and (4) hanging hooks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

As shown in fig. 1-3, a grit recycling apparatus for 3D sand mold printing; comprises a box body 1, a funnel 2 and a mixing drum 3; the funnel 2 is arranged at the upper position inside the box body 1, the side surface of the funnel 2 is connected with a spring 5, the other end of the spring 5 is connected with a support rod 4, and the support rod 4 is connected with the inner wall of the box body 1; a filter screen 6 is arranged on the inner side of the bottom of the funnel 2, and a vibration motor 7 is arranged on the outer side of the bottom of the funnel 2; a stirring cylinder 3 is arranged below the funnel 2, a stirring motor 8 is arranged at the bottom of the stirring cylinder 3, and the stirring motor 8 drives stirring teeth 9 to stir; the feed opening has been seted up near the bottom to churn 3, and the feed opening is connected with takes out sand pipe 12, it is connected with sand shooting machine 10 to take the gravel out outside box 1 to take out sand pipe 12.

The inner wall of 2 bottoms of funnel is equipped with a plurality of couples 15, and filter screen 6 periphery is equipped with a plurality of ropes 14 of hanging, and is a plurality of couple 15 and a plurality of hang 14 one-to-one of rope and articulate.

The stirring teeth 9 are connected with a stirring shaft, and the stirring shaft penetrates through the cylinder body and is connected with an output shaft of the stirring motor 8.

Stirring motor 8 and churn 3 all are connected with "7" type connecting piece 11, connecting piece 11 with 1 inner wall connection of box.

The other end of the sand pumping pipe 12 connected with the sand shooting machine 10 is connected with a sand blasting head 13.

And a sealing rubber ring is arranged at the position where the stirring teeth 9 penetrate through the stirring cylinder 3.

Example two

The difference with embodiment one lies in, funnel 2 lateral wall sets up four springs 5, and four springs 5 all connect the bracing piece 4, and the steadiness when further increasing the sieve and moving the processing.

The spring 5 is a hard spring 5; the mesh number range of the filter screen is 75 meshes; the filter screen 6 can be freely replaced, so that the filter screen 6 is convenient to clean and replace.

EXAMPLE III

The difference between the first embodiment and the second embodiment is that the top of the mixing drum 3 is of an open structure; the body of the mixing drum 3 is of an inclined structure, and the included angle between the mixing drum 3 and the horizontal ground is 45 degrees; the inclined arrangement facilitates the removal of grit from the mixing drum 3.

According to the technical scheme, the gravel recycling device for 3D sand mold printing is realized, when the gravel recycling device is used, a 3D mold is printed, and after a grinding tool is taken out, the residual gravel is recycled, so that the purpose of saving raw materials is achieved, and the gravel recycling device has a certain economic value; the excessive gravel after printing is directly recycled through the hopper 2 arranged below the sand box; the gravel is primarily filtered by the vibrating motor 7 arranged at the bottom of the funnel 2 and the filter screen 6 arranged on the inner wall of the funnel 2, so that the cleanliness of the gravel is increased, and the gravel is convenient to recycle; gravel after filtering falls into the agitator in, stirs, separates the gravel that will glue together through the stirring, and the direct recycle of being convenient for further reduces recycle's the degree of difficulty, retrieves after surplus gravel and handles through shooting sand machine 10 extraction gravel set to this purpose that reaches surplus gravel recycle.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A gravel recycling device for 3D sand mold printing comprises a box body (1), a hopper (2) and a mixing drum (3); the novel garbage bin is characterized in that the funnel (2) is arranged at the upper position inside the bin body (1), the side surface of the funnel (2) is connected with at least one spring (5), the other end of the spring (5) is connected with a supporting rod (4), and the supporting rod (4) is connected with the inner wall of the bin body (1); a filter screen (6) is arranged on the inner side of the bottom of the funnel (2), and a vibration motor (7) is arranged on the outer side of the bottom of the funnel (2); a stirring cylinder (3) is arranged below the hopper (2), a stirring motor (8) is arranged at the bottom of the stirring cylinder (3), and the stirring motor (8) drives stirring teeth (9) to stir; a feed opening is opened near the bottom in the mixing drum (3), the feed opening is connected with a sand pumping pipe (12), and the sand pumping pipe (12) is connected with a sand shooting machine (10) to pump gravel out of the box body (1).

2. The gravel recycling device for 3D sand mold printing according to claim 1, wherein a plurality of hooks (15) are arranged on the inner wall of the bottom of the funnel (2), a plurality of hanging ropes (14) are arranged on the periphery of the filter screen (6), and the plurality of hooks (15) are hooked with the plurality of hanging ropes (14) in a one-to-one correspondence manner.

3. The grit recycling device for 3D sand mold printing according to claim 1, wherein the top of the mixing drum (3) is of an open structure; the barrel body of the mixing barrel (3) is of an inclined structure, and the included angle between the mixing barrel (3) and the horizontal ground is 20-60 degrees.

4. The gravel recycling device for 3D sand mold printing according to claim 1, wherein a stirring shaft is connected to the stirring teeth (9), penetrates through the cylinder body and is connected with an output shaft of the stirring motor (8).

5. The grit recycling device for 3D sand mold printing according to claim 1, wherein the stirring motor (8) and the stirring cylinder (3) are both connected with a 7-shaped connecting piece (11), and the connecting piece (11) is connected with the inner wall of the box body (1).

6. The grit recycling device for 3D sand mold printing according to claim 1, characterized in that the other end of the sand pumping pipe (12) connected with the sand shooting machine (10) is connected with a sand blasting head (13).

7. The gravel recycling device for 3D sand printing according to the claim 1 is characterized in that a sealing rubber ring is arranged at the part of the stirring teeth (9) penetrating through the stirring cylinder (3).