Ceramic clay 3D printing extrusion mechanism with composite stirring structure

Abstract

The utility model provides a pottery clay 3D printing extrusion mechanism with a composite stirring structure. The pottery clay 3D printing extrusion mechanism comprises a material mixing bin body and an extrusion channel, wherein the material mixing bin body comprises a material mixing bin chamber arranged in the material mixing bin body, and the extrusion channel is arranged below the material mixing bin chamber; the stirring and extruding assembly comprises a driving motor, the driving motor is connected with a stirring and extruding part which is arranged in the mixing bin and communicated into the extruding channel, the stirring and extruding part comprises a rotating rod, a spiral auger set is arranged on the rotating rod and communicated into the extruding channel, and a plurality of sets of stirring blades are further arranged on the side wall of the rotating rod. The stirring blade comprises a first stirring rod which is connected to the rotating rod and is obliquely arranged in the direction away from the rotating rod, the other end of the first stirring rod is connected with a second stirring rod parallel to the rotating rod, and the other end of the second stirring rod is connected with a third stirring rod which is obliquely arranged in the direction close to the rotating rod; a reinforcing rod is arranged between the second stirring rod and the rotating rod. The 3D printing device can fully mix materials and improve the forming quality of 3D products.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of clay 3D printing extrusion mechanisms with composite stirring structure, applied to clay printing field. BACKGROUND

[0002] Clay 3D printer is a kind of equipment combined traditional ceramic craft with modern 3D printing technology, it is converted into three-dimensional ceramic works by digital design and layer-by-layer printing way, clay 3D printing of existing in order to improve efficiency, usually after raw material mixing in clay 3D printer extrusion printing, reduce the time of waiting raw material mixing, and prevent the phenomenon that mixture material occurs precipitation or agglomeration in the process of retransport after mixing, thus, raw material mixing bin is provided in extruder, directly mixed and then printed, but the mixing efficiency of existing mixing equipment is low, it needs to be mixed for a long time, or mixing is not sufficient and thus 3D product forming quality is poor, therefore, in view of the above problems, the utility model designs a kind of clay 3D printing extrusion mechanism with composite stirring structure. SUMMARY

[0003] The utility model provides a kind of clay 3D printing extrusion mechanism with composite stirring structure, can effectively solve above-mentioned problem.

[0004] The utility model is realized as follows:

[0005] A kind of clay 3D printing extrusion mechanism with composite stirring structure, comprising:

[0006] Mixing bin body, including being set to its inside one mixing bin room, and extrusion passageway below mixing bin room;

[0007] Stirring extrusion component, including being set to the drive motor above mixing bin body, the drive motor is connected to the stirring extrusion piece being set in mixing bin room and being communicated to in extrusion passageway, the stirring extrusion piece includes a rotating rod, spiral auger group is set on the rotating rod, spiral auger group is communicated to in extrusion passageway, still be provided with several groups of stirring paddles on the side wall of rotating rod, the stirring paddle includes first stirring rod being connected to rotating rod and being set in the direction of inclination away from rotating rod, second stirring rod is connected to the other end of first stirring rod and is set in parallel with rotating rod, the other end of second stirring rod is connected and is set in the direction of inclination close to rotating rod third stirring rod, reinforcing rod is arranged between second stirring rod and rotating rod.

[0008] As further improvement, the stirring paddle is 4, 4 the stirring paddle is sequentially set in the direction of inclination away from the drive motor of rotating rod, 4 the stirring paddle is set in the direction of different diameter of rotating rod.

[0009] As a further improvement, the screw auger set comprises a first screw auger arranged in the mixing bin body, and a second screw auger arranged in the extrusion channel, the pitch of the first screw auger is greater than that of the second screw auger, and the blade diameter of the first screw auger is greater than that of the second screw auger.

[0010] As a further improvement, the inclination angle between the first stirring rod and the rotating rod is α = 65-75°.

[0011] As a further improvement, the inclination angle between the third stirring rod and the second stirring rod is β = 140-150°.

[0012] As a further improvement, a fixed mounting frame is arranged on the side wall of the mixing bin body.

[0013] As a further improvement, a raw material feeding hopper is arranged on the side wall of the mixing bin body, and a water injection port is further arranged on the mixing bin body.

[0014] The raw materials required for 3D printing of pottery clay are placed in the mixing bin body for stirring, and are extruded into a shape in the extrusion channel through the screw auger set, so that the working efficiency can be effectively improved. The stirring paddle arranged on the screw rod set on the rotating rod comprises a first stirring rod connected to the rotating rod and arranged in an inclined manner away from the rotating rod, a second stirring rod connected to the other end of the first stirring rod and arranged in parallel with the rotating rod, a third stirring rod connected to the other end of the second stirring rod and arranged in an inclined manner close to the rotating rod, and a reinforcing rod arranged between the second stirring rod and the rotating rod, so that the strength of the stirring paddle can be effectively increased, and the materials can be stirred. The materials around the rotating rod are pushed outward by the screw auger set, so that the materials are prevented from adhering and depositing. The materials on the inner side wall of the mixing bin body are scattered and stirred by the stirring paddle, so that the effect of full mixing is achieved, the mixing efficiency can be effectively improved, and the 3D product forming quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0016] Figures 1-2 is a structural schematic diagram provided by the embodiments of the present application.

[0017] Figure 3 is Figure 2 is a sectional structural schematic diagram at A-A in the above-mentioned.

[0018] Figure 4 is a schematic diagram of an explosion structure provided by the embodiment of the present application.

[0019] The attached drawings are as follows:

[0020] 10, mixing bin body; 11, mixing bin chamber; 12, extrusion channel;

[0021] 20, extrusion stirring assembly; 21, driving motor; 22, stirring extrusion piece; 23, rotating rod; 24, spiral auger set; 241, first spiral auger; 242, second spiral auger; 25, stirring paddle; 251, first stirring rod; 252, second stirring rod; 253, third stirring rod; 254, reinforcing rod; 26, fixed mounting frame; 27, raw material feeding hopper; 28, water injection port. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application.

[0023] In the description of the present application, the terms "first" and "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0024] Referring to Figures 1-4As shown, a kind of clay 3D printing extrusion mechanism with composite stirring structure, including: mixing bin body 10 including being set to its inside one mixing bin chamber 11, and the extrusion passage 12 below mixing bin chamber 11, the raw material feeding hopper 27 for adding clay 3D printing raw materials is set on the side wall of the mixing bin body 10, the water inlet 28 for adding water mixing stirring is also set on the mixing bin body 10, the fixed mounting bracket 26 for installing in printer is set on the side wall of the mixing bin body 10, so that the extrusion mechanism can be stably printed with the movement of moving assembly.

[0025] Stirring extrusion assembly includes the drive motor 21 set above mixing bin body 10, the drive motor 21 is connected to the stirring extrusion piece 22 set in mixing bin chamber 11 and communicated to the extrusion passage 12, the stirring extrusion piece 22 includes a rotating rod 23, the rotating rod 23 is provided with spiral auger group 24, the spiral auger group 24 is communicated to the extrusion passage 12, the side wall of the rotating rod 23 is also provided with several groups of stirring paddles 25, the stirring paddle 25 includes the first stirring rod 251 connected to the rotating rod 23 and inclinedly arranged in the direction away from the rotating rod 23, the other end of the first stirring rod 251 is connected with the second stirring rod 252 arranged in parallel with the rotating rod 23, the other end of the second stirring rod 252 is connected with the third stirring rod 253 arranged in the direction close to the rotating rod 23, a reinforcing rod 254 is arranged between the second stirring rod 252 and the rotating rod 23, the reinforcing rod 254 can effectively increase the strength of the stirring paddle 25 and stir the material, in the embodiment, the reinforcing rod 254 is arranged in parallel with the first stirring rod 251, so that the stirring effect can be strengthened, in other embodiments, the reinforcing rod 254 is arranged perpendicular to the rotating rod 23. The material around the rotating rod 23 is pushed outward by the spiral auger group 24, to prevent material adhesion deposition, and the material on the inner side wall of the mixing bin body is dispersed and stirred by the stirring paddle 25, to achieve the effect of full mixing, which can effectively improve the mixing efficiency and improve the 3D product forming quality.

[0026] Reference Figure 4As shown, in the embodiment, the stirring blades 25 are four, and the four stirring blades 25 are sequentially arranged on the rotating rod 23 away from the driving motor 21, and are respectively a first stirring blade, a second stirring blade, a third stirring blade, and a fourth stirring blade. This arrangement has the advantage that a stirring blade 25 is arranged on the mixing bin body 10 in the height direction, and the stirring efficiency is improved. The four stirring blades 25 are arranged on the rotating rod 23 in different diameter directions. In the embodiment, the second stirring blade is opposite to the first stirring blade, the first stirring blade and the third stirring blade are arranged perpendicularly, and the fourth stirring blade is opposite to the third stirring blade. The rotating rod 23 is uniformly provided with the four stirring blades 25, and the stirring efficiency is improved.

[0027] Reference Figures 3-4 As shown, the spiral auger group 24 includes a first spiral auger 241 arranged in the mixing bin body 10 and a second spiral auger 242 arranged in the extrusion channel 12. The pitch of the first spiral auger 241 is greater than that of the second spiral auger 242, and the blade diameter of the first spiral auger 241 is greater than that of the second spiral auger 242. Since the first spiral auger 241 is used for stirring, the large pitch and blade diameter can effectively improve the stirring efficiency. The small pitch and blade diameter of the second spiral auger 242 can accurately control the extrusion of the mixture.

[0028] Reference Figure 3 As shown, the inclination angle α between the first stirring rod 251 and the rotating rod 23 is 65-75°. In the embodiment, the inclination angle α between the first stirring rod 251 and the rotating rod 23 is 70°. The inclination angle β between the third stirring rod 253 and the second stirring rod 252 is 140-150°. In the embodiment, the inclination angle β between the third stirring rod 253 and the second stirring rod 252 is 145°. This angle arrangement can make the stirring blade 25 expand in the radial direction as much as possible, and can also be as long as possible in the axial direction, thereby improving the stirring efficiency.

[0029] The above only describes preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A clay 3D printing extrusion mechanism with a compound stirring structure, characterized in that, The utility model relates to a mixing bin body (10) including a mixing bin chamber (11) arranged in the interior thereof, and an extrusion channel (12) below the mixing bin chamber (11); a stirring extrusion assembly including a driving motor (21) arranged above the mixing bin body (10), the driving motor (21) being connected to a stirring extrusion piece (22) arranged in the mixing bin chamber (11) and communicating into the extrusion channel (12), the stirring extrusion piece (22) including a rotating rod (23) having a spiral auger set (24) arranged thereon, the spiral auger set (24) communicating into the extrusion channel (12), a plurality of stirring paddles (25) being further arranged on the side wall of the rotating rod (23), the stirring paddles (25) including a first stirring rod (251) connected to the rotating rod (23) and arranged in a direction away from the rotating rod (23), the other end of the first stirring rod (251) being connected to a second stirring rod (252) arranged in parallel with the rotating rod (23), the other end of the second stirring rod (252) being connected to a third stirring rod (253) arranged in a direction close to the rotating rod (23), a reinforcing rod (254) being arranged between the second stirring rod (252) and the rotating rod (23). The stirring paddles (25) are four, and the four stirring paddles (25) are arranged in sequence on the rotating rod (23) in a direction away from the driving motor (21), and the four stirring paddles (25) are arranged on the rotating rod (23) in different diameter directions. The spiral auger set (24) includes a first spiral auger (241) arranged in the mixing bin body (10) and a second spiral auger (242) arranged in the extrusion channel (12), the pitch of the first spiral auger (241) being greater than that of the second spiral auger (242), and the blade diameter of the first spiral auger (241) being greater than that of the second spiral auger (242).

2. The clay 3D printing extrusion mechanism with a composite stirring structure according to claim 1, characterized in that, The inclination angle alpha between the first stirring rod (251) and the rotating rod (23) is 65-75 degrees.

3. The clay 3D printing extrusion mechanism with a composite stirring structure according to claim 1, characterized in that, The inclination angle beta between the third stirring rod (253) and the second stirring rod (252) is 140-150 degrees.

4. The clay 3D printing extrusion mechanism with a compound stirring structure according to claim 2, characterized in that, A fixed mounting bracket (26) is arranged on the side wall of the mixing bin body (10).

5. The clay 3D printing extrusion mechanism with a compound stirring structure according to claim 4, characterized in that, A raw material feeding hopper (27) is arranged on the side wall of the mixing bin body (10), and a water inlet (28) is further arranged on the mixing bin body (10).

6. The clay 3D printing extrusion mechanism with a compound stirring structure according to claim 1, characterized in that, ​ 7. The clay 3D printing extrusion mechanism with a compound stirring structure according to claim 1, characterized in that, ​

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