CN209903470U

CN209903470U - Ceramic 3D printer

Info

Publication number: CN209903470U
Application number: CN201822276606.4U
Authority: CN
Inventors: 郑晓卫; 吴锋; 贺曙鑫; 崔杰; 刘轼涛; 陈盼盼; 蔡坤煌
Original assignee: Chaozhou Fanze Technology Co Ltd
Current assignee: Chaozhou Fanze Technology Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-01-07
Anticipated expiration: 2028-12-29

Abstract

The utility model discloses a pottery 3D printer mainly includes: the printing structure comprises a rack and a case, the rack is arranged on the case, three groups of nozzles are arranged on the rack, a transmission mechanism for conveying products is arranged in the case, a plurality of printing platforms are arranged in the transmission mechanism, and three groups of jigs are arranged on the printing platforms; the feeding structure consists of charging barrels, a charging barrel distribution frame and a pressurizing device, wherein the number of the charging barrels is N, and the charging barrels are loaded in the charging barrel distribution frame; the printing structure is connected with the feeding structure through a mud distributing head, one end of the mud distributing head is provided with a group of main pipe quick-connection interfaces, and the other end of the mud distributing head is provided with three groups of branch pipes quick-connection interfaces. The utility model has the advantages that the mud distributing head is arranged between the printing structure and the feeding structure, thereby ensuring the pressure of three groups of spray heads to be consistent and avoiding the uneven products; the feeding structure continuously feeds the printing structure, the three groups of ceramic products are printed and dried simultaneously, the production period is short, and the production efficiency is greatly improved.

Description

Ceramic 3D printer

Technical Field

The utility model relates to a pottery 3D printing apparatus technical field especially relates to a pottery 3D printer.

Background

Ceramic is a traditional inorganic material, is exquisite and practical, and has been used for nearly a thousand years. The hard and brittle characteristics make the ceramic material especially difficult to machine and form, and the traditional ceramic preparation process can only manufacture simple three-dimensional products, and has high cost and long period. The development of the 3D ceramic printing technology enables the preparation of complex ceramic products to be easy, and the 3D printing technology has the advantages of simplicity in operation, high speed, high precision and the like and also injects new vitality into the ceramic manufacturing industry.

Current pottery 3D printer divide into print module, feed cylinder and overhead tank, and the overhead tank is connected with the feed cylinder, continuously provides the clay to print module through the overhead tank, and a plurality of print module during operation in the lump need the corresponding quantity that increases feed cylinder and overhead tank and the area in equipment fixing place, and equipment cost is higher, and there is the deviation in the pressure of different overhead tanks moreover, easily leads to each item data of ceramic product uneven. The ceramic product that prints the completion must shift to the kiln at once and dry the shaping, and the spoilage is high in the transfer process, and the required down time of changing the feed cylinder is longer, can occupy a large amount of manpower and materials simultaneously, is not suitable for mass production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to existing technical current situation, provide a pottery 3D printer, can guarantee that three shower nozzle pressures of group are unanimous, avoid the product uneven to can seamless reloading, carry out printing, the stoving of three group's pottery products simultaneously, production efficiency improves greatly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a ceramic 3D printer consisting essentially of: printing structure and feed structure.

The printing structure is composed of a rack and a case, the rack is arranged on the case, three groups of spray heads are arranged on the rack, the case is an L-shaped hollow cavity, a transmission mechanism used for conveying products is arranged in the case, a plurality of printing platforms are arranged in the transmission mechanism, and three groups of jigs are arranged on the printing platforms.

The feeding structure comprises feed cylinder, feed cylinder distribution frame and pressure device, and the quantity of feed cylinder is N, and N is not less than 2, and N is the integer, and the feed cylinder distribution frame comprises two spinal branch framves, a distribution section of thick bamboo and two equipment folder, and a distribution section of thick bamboo is the cylinder, evenly is equipped with N through-hole along the axial in the distribution section of thick bamboo, and a distribution section of thick bamboo is installed between two spinal branch framves, and arbitrary one end of a distribution section of thick bamboo is equipped with the rotation motor, installs an equipment folder on two spinal branch framves respectively, and the position of every through-hole in the exposed core of.

The printing structure is connected with the feeding structure through a mud distributing head, one end of the mud distributing head is provided with a group of main pipe quick-connection interfaces, the main pipe quick-connection interfaces are connected to clamping pieces located at the discharge ends of the charging barrel distribution frame, the other end of the mud distributing head is provided with three groups of branch pipe quick-connection interfaces, and the three groups of branch pipe quick-connection interfaces are respectively connected to three groups of spray heads.

According to the technical scheme, the main pipe quick connection interface and the branch pipe quick connection interface are respectively provided with a separation closing valve.

According to the technical scheme, the longitudinal part of the case is a preheating cavity, the rear wall of the preheating cavity is provided with the electric heating sheet, the transverse part of the case is a forming cavity, the forming cavity is divided into a baking cavity and a cooling cavity, and the left wall of the baking cavity and the right wall of the baking cavity are both provided with the electric heating sheet.

Furthermore, the cleaning machine further comprises a bearing box and a cleaning box, wherein the top of the bearing box is provided with a detachable bearing groove, three groups of cleaning devices are arranged in the cleaning box, and the machine case, the bearing box and the cleaning box are arranged in parallel along the Y-axis direction.

Above-mentioned technical scheme, the base part of feed cylinder is the right angle U type, and the feed bin part of feed cylinder is the cylinder, and the base part of feed cylinder agrees with the feed bin part embedding of feed cylinder in contact surface department, the shape of through-hole is unanimous with the shape of feed cylinder.

Furthermore, a positioning device is arranged on the bottom surface of the through hole and consists of a positioning pin and a spring, the positioning pin is arranged above the spring, a limiting hole is formed in the positioning pin, and a positioning hole corresponding to the positioning pin is formed in the base of the charging barrel.

Preferably, the cross bar for mounting the distribution barrel on the bracket is in a shape of Chinese character 'ren'.

The utility model has the advantages that:

the utility model has the advantages that the mud distributing head is arranged between the printing structure and the feeding structure, thereby ensuring the pressure of three groups of spray heads to be consistent and avoiding the uneven products; the feeding structure is used for continuously feeding materials to the printing structure, and the printing and drying of the three groups of ceramic products are carried out simultaneously, so that the production period is short, and the production efficiency is greatly improved; the separating and closing valve has a self-closing function, the three-component pipe quick-connection interfaces can be randomly allocated for use, the unused-component pipe quick-connection interfaces cannot leak mud, meanwhile, when any pipeline goes wrong, the corresponding-component pipe quick-connection interfaces can be independently closed and the corresponding spray heads are stopped, and the complete machine does not need to be stopped.

Drawings

FIG. 1 is a schematic structural view of the mud-separating head of the utility model;

FIG. 2 is a cross-sectional view of the mud-separating head of the present invention;

FIG. 3 is a schematic structural diagram of the printing structure of the present invention;

FIG. 4 is a schematic structural diagram of the case of the present invention;

FIG. 5 is a side view of the cartridge dispensing stand of the present invention;

FIG. 6 is a cross-sectional view and a partially enlarged schematic view of the dispensing cartridge of the present invention;

figure 7 is the front view of the cartridge dispensing stand of the present invention.

Description of the labeling: 1-a mud separating head, 2-a pipe separating quick connecting interface, 3-a main pipe quick connecting interface, 4-a separating closing valve, a 5-Z axis auxiliary shaft, a 6-Z axis connecting rod, a 7-Z axis, an 8-Z axis motor, a 9-spray head, a 10-X axis, an 11-X axis motor, a 12-Y axis motor, a 13-machine box, a 14-jig, a 15-Y axis connecting rod, a 16-printing platform, a 17-cleaning box, an 18-friction head, a 19-rotating motor, a 20-bearing groove, a 21-bearing box, a 22-printing station, a 23-preheating cavity, a 24-baking cavity, a 25-electric heating plate, a 26-a closed conveying chain, a 27-cooling cavity, a 28-conveying wheel, a 29-support and a 30-linear driving device, 31-driving rod, 32-distribution barrel, 33-charging barrel, 34-through hole, 35-clearance groove, 36-positioning pin, 37-spring, 38-limiting hole, 39-rotating motor, 40-clamping head, 41-reverse quick-connection joint and 42-hose.

Detailed Description

Referring to fig. 1-2, a ceramic 3D printer mainly includes: print structure and feed structure, print and be connected through dividing the mud head 1 between structure and the feed structure, divide the one end of mud head 1 to be equipped with a set of person in charge and connect interface 3 soon, be responsible for and connect interface 3 soon and insert feed cylinder 33, divide the other end of mud head 1 to be equipped with three component pipes and connect interface 2 soon, three component pipes connect interface 2 to insert three shower nozzles 9 of group respectively soon. Set up between printing structure and feed structure and divide mud head 1, guarantee that three group's shower nozzles 9 pressure are unanimous, avoid the product uneven.

In the technical scheme, the main pipe quick connection interface 3 and the branch pipe quick connection interface 2 are respectively provided with a separation closing valve 4. The separation closing valve 4 has a self-closing function, the three-component pipe quick-connection interface 2 can be randomly allocated for use, the unused branch pipe quick-connection interface 2 cannot leak mud, meanwhile, when any pipeline goes wrong, the corresponding branch pipe quick-connection interface 2 can be independently closed and the corresponding spray head 9 is stopped, and the complete machine does not need to be stopped.

Referring to fig. 3-4, the printing structure includes a frame and a chassis 13, the frame is disposed on the chassis 13, the frame includes an X-axis 10, a Y-axis and a Z-axis 7, and a Y-axis auxiliary axis and a Z-axis auxiliary axis 5, three groups of nozzles 9 are mounted on the X-axis 10, the three groups of nozzles 9 are driven by an X-axis motor 11 along the X-axis direction, the X-axis 10 is disposed between the Z-axis 7 and the Z-axis auxiliary axis 5, a Z-axis connecting rod 6 is further disposed between the Z-axis 7 and the Z-axis auxiliary axis 5, the X-axis 10 is driven by a Z-axis motor 8 along the Z-axis direction, the Z-axis 7 and the Z-axis auxiliary axis 5 are respectively disposed on the Y-axis and the Y-axis auxiliary axes, Y-axis and Y-axis auxiliary axes are further provided with a Y-axis connecting rod 15, and the.

The machine case 13 is an L-shaped hollow cavity, a transmission mechanism for conveying products is arranged in the machine case 13, the transmission mechanism comprises two parallel closed conveying chains 26 and a plurality of printing platforms 16 arranged between the two closed conveying chains 26, the closed conveying chains 26 are L-shaped, and three groups of jigs 14 are arranged on the printing platforms 16.

Specifically, the closed conveying chain 26 is driven by the conveying wheel 28, and when the ceramic products in the three sets of jigs 14 are manufactured, the conveying wheel 28 drives the closed conveying chain 26 to enable the next printing platform 16 to enter the printing station 22. The print station 22 is located at the top corner of the closed conveyor chain 26 near the rear wall of the preheating chamber 23.

In the above technical scheme, the longitudinal portion of the chassis 13 is a preheating cavity 23, the rear wall of the preheating cavity 23 is provided with an electric heating sheet 25, the transverse portion of the chassis 13 is a forming cavity, the forming cavity is divided into a baking cavity 24 and a cooling cavity 27, and the left wall of the baking cavity 24 and the right wall of the baking cavity 24 are both provided with the electric heating sheet 25.

Specifically, the baking chamber 24 is used for drying the ceramic product, and the cooling chamber 27 is used for cooling after drying. The longitudinal part of the case 13 is a preheating cavity 23, when the printing platform 16 leaves the printing station 22, the ceramic product moves in the vertical direction, which is different from the horizontal direction, the vertical direction movement can avoid the ceramic product from toppling or deforming, and after passing through the preheating cavity 23, the surface of the ceramic product is primarily cured.

Further, the cleaning device comprises a bearing box 21 and a cleaning box 17, wherein the top of the bearing box 21 is provided with a detachable bearing groove 20, three groups of cleaning devices are arranged in the cleaning box 17, each cleaning device comprises a rotating motor 19 and a friction head 18, the middle of each friction head 18 is provided with a downward groove, and bristles are densely distributed in the grooves. The machine box 13, the receiving box 21 and the cleaning box 17 are arranged in parallel along the Y-axis direction, the X-axis 10 is a single rod, three groups of spray heads 9 are connected in series on the X-axis 10, and when the machine box 13, the receiving box 21 and the cleaning box 17 are arranged in parallel along the Y-axis direction, the three groups of spray heads 9 can be synchronously positioned above the receiving box 21 or in the cleaning box 17.

In the printing gap, the receiving groove 20 is used for receiving the clay dropped from the nozzle 9, so as to prevent the clay from splashing into the case 13 to cause pollution.

The cleaning device is used for cleaning the spray head 9 and preventing the spray head 9 from being blocked. Before printing, an X-axis motor 11, a Y-axis motor 12 and a Z-axis motor 8 are respectively controlled to enable three groups of spray heads 9 to respectively sink into three groups of friction heads 18, a rotating motor 19 is started, the friction heads 18 start to rotate, the spray heads 9 are cleaned, concretions on the spray heads 9 are removed, and the condition that the spray heads 9 are different in pressure or blocked is prevented.

Referring to fig. 5-7, the feeding structure comprises a material cylinder 33, a material cylinder distribution frame and a pressurizing device, wherein the number of the material cylinders 33 is N, N is not less than 2, and N is an integer, the feeding structure further comprises the material cylinder distribution frame, the material cylinder distribution frame comprises two brackets 29, a distribution cylinder 32 and two assembly clamping pieces, the distribution cylinder 32 is a cylinder, N through holes 34 are uniformly formed in the distribution cylinder 32 along the axial direction, the distribution cylinder 32 is installed between the two brackets 29, a rotating motor 39 is arranged at any end of the distribution cylinder 32, the two brackets 29 are respectively provided with the assembly clamping pieces, and the clamping ends of the clamping pieces correspond to the positions of the through holes 34 in the distribution cylinder 32. In the figure, the number of the cartridges 33 is 4, and 4 through holes 34 are uniformly provided in the distribution cylinder 32 in the axial direction.

Specifically, the charging barrel 33 is loaded through the charging barrel distribution frame, and the new charging barrel 33 or the charging barrels 33 with different colors can be quickly replaced by rotating the distribution barrel 32, so that frequent replacement of pug is avoided, and the use is convenient; in the processing process, the used empty charging barrel 33 can be supplemented with materials, so that continuous feeding is ensured, and the production is carried out orderly.

In the above technical solution, the base portion of the cartridge 33 is a right-angle U-shape, the bin portion of the cartridge 33 is a cylinder, the base portion of the cartridge 33 is fitted with the bin portion of the cartridge 33 at a contact surface, the shape of the through hole 34 is consistent with the shape of the cartridge 33, and the cartridge 33 does not rotate in the through hole 34. Furthermore, a positioning device is arranged on the bottom surface of the through hole 34, the positioning device is composed of a positioning pin 36 and a spring 37, the positioning pin 36 is arranged above the spring 37, a limiting hole 38 is arranged on the positioning pin 36, a positioning hole corresponding to the positioning pin 36 is arranged on the base portion of the material barrel 33, and the positioning pin 36 is matched with the positioning hole and used for limiting the position of the material barrel 33 in the distribution barrel 32 and preventing the material barrel 33 from sliding out.

The top surface of the through hole 34 is provided with a slot 35 outwards to the side surface of the distribution cylinder 32, and the width of the slot 35 is not larger than the diameter of the bin part of the charging cylinder 33. The base part of the charging barrel 33 is made of plastic, the bin part of the charging barrel 33 is made of transparent toughened glass, and the color of the residual materials and the ceramic mud in the charging barrel 33 can be observed through the slot 35 as the basis for replacing the charging barrel 33.

The clamping pieces comprise a linear driving device 30, a driving rod 31 and a clamping head 40, the clamping head 40 is connected with the linear driving device 30 through the driving rod 31, the two clamping pieces are symmetrically arranged on the charging barrel distribution frame in a back-to-back mode, and the linear driving device 30 is a hydraulic cylinder or an air cylinder. Two equipment folder back to symmetry set up on feed cylinder distribution frame, the position of every through-hole 34 all corresponds in the exposed core of dress folder and the distributor cylinder 32, and two sets of clampings can carry out automatic clamping, labour saving and time saving to the feed cylinder 33 that gets into the clamping station.

The bottom of the clamping head 40 is connected with a hose 42, the other end of the hose 42 is connected with a reverse quick-connection joint 41, the reverse quick-connection joint 41 is used for being quickly connected with the mud distributing head 1 or the pressurizing device, and the clamping head 40 has the functions of clamping the charging barrel 33 and communicating the charging barrel 33 with the mud distributing head 1 or the pressurizing device.

Preferably, the cross bar of the bracket 29 on which the dispensing cartridge 32 is mounted is in a herringbone shape. When all the through holes 34 are positioned in the vertical direction or the horizontal direction, the corresponding charging barrels 33 enter the clamping station, and the cross bars in the shape of the Chinese character 'ren' do not shield the positions of the rest charging barrels 33, so that the charging of the charging barrels 33 is facilitated.

Of course, the above is only the preferred embodiment of the present invention, and the application range of the present invention is not limited thereto, so all the equivalent changes made in the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A ceramic 3D printer consisting essentially of: print structure and feed structure, its characterized in that:

the printing structure comprises a rack and a case (13), wherein the rack is arranged on the case (13), three groups of spray heads (9) are arranged on the rack, the case (13) is an L-shaped hollow cavity, a transmission mechanism for conveying products is arranged in the case (13), a plurality of printing platforms (16) are arranged in the transmission mechanism, and three groups of jigs (14) are arranged on the printing platforms (16);

the feeding structure comprises material cylinders (33), a material cylinder distribution frame and a pressurizing device, wherein the number of the material cylinders (33) is N, N is not less than 2, N is an integer, the material cylinder distribution frame comprises two supports (29), a distribution cylinder (32) and two assembly clamping pieces, the distribution cylinder (32) is a cylinder, N through holes (34) are uniformly formed in the distribution cylinder (32) along the axial direction, the distribution cylinder (32) is installed between the two supports (29), a rotating motor (39) is arranged at any end of the distribution cylinder (32), the two supports (29) are respectively provided with the assembly clamping pieces, and the clamping ends of the clamping pieces correspond to the positions of the through holes (34) in the distribution cylinder (32);

print and be connected through dividing mud head (1) between structure and the feed structure, divide the one end of mud head (1) to be equipped with a set of person in charge and connect interface (3) soon, be responsible for and connect interface (3) soon and insert the dress folder that is located feed cylinder distribution frame discharge end, divide the other end of mud head (1) to be equipped with three component pipes and connect interface (2) soon, three component pipes connect interface (2) to insert three shower nozzles (9) of group respectively soon.

2. The ceramic 3D printer of claim 1, wherein: and the main pipe quick-connection interface (3) and the branch pipe quick-connection interface (2) are respectively provided with a separation closing valve (4).

3. The ceramic 3D printer of claim 1, wherein: the machine case is characterized in that the longitudinal part of the machine case (13) is a preheating cavity (23), an electric heating piece (25) is arranged on the rear wall of the preheating cavity (23), the transverse part of the machine case (13) is a forming cavity which is divided into a baking cavity (24) and a cooling cavity (27), and the electric heating piece (25) is arranged on the left wall of the baking cavity (24) and the right wall of the baking cavity (24).

4. The ceramic 3D printer of claim 3, wherein: the cleaning device is characterized by further comprising a bearing box (21) and a cleaning box (17), wherein the top of the bearing box (21) is provided with a detachable bearing groove (20), three groups of cleaning devices are arranged in the cleaning box (17), and the machine case (13), the bearing box (21) and the cleaning box (17) are arranged in parallel along the Y-axis direction.

5. The ceramic 3D printer of claim 1, wherein: the base part of the charging barrel (33) is in a right-angle U shape, the bin part of the charging barrel (33) is a cylinder, the base part of the charging barrel (33) is embedded and matched with the bin part of the charging barrel (33) at a contact surface, and the shape of the through hole (34) is consistent with that of the charging barrel (33).

6. The ceramic 3D printer of claim 5, wherein: the bottom surface of the through hole (34) is provided with a positioning device, the positioning device is composed of a positioning pin (36) and a spring (37), the positioning pin (36) is arranged above the spring (37), the positioning pin (36) is provided with a limiting hole (38), and the base part of the charging barrel (33) is provided with a positioning hole corresponding to the positioning pin (36).

7. The ceramic 3D printer according to any one of claims 1 to 6, characterized in that: the cross bar of the distribution cylinder (32) arranged on the bracket (29) is in a herringbone shape.