Ceramic clay extrusion device for 3D ceramic clay printer

Abstract

The utility model discloses a clay extrusion device for a 3D clay printer, and relates to the technical field of 3D clay printing equipment. Comprising a support assembly and a charging barrel assembly, the charging barrel assembly is clamped to the support assembly, and the support assembly comprises a base, a stand column, a sleeve, a first adjusting bolt, an adapter, a second adjusting bolt, a pin and an opening clamping ring. According to the pottery clay extrusion device for the 3D pottery clay printer, after a cylinder is filled with pottery clay slurry, a rubber pressing head and a connecting rod are mounted together, then a sealing cover is mounted, a PI heating film is powered on for low-temperature heating, the slurry is made to be in a proper temperature range, the softening effect is achieved, the flowing property of the slurry is better, resistance in the extrusion process is reduced, and the extrusion efficiency is improved. The single-shaft air cylinder drives the rubber pressing head to move to extrude slurry, the stroke sensor is used for measuring the displacement amount of the air cylinder, and therefore the output amount of the slurry is controlled, the device is simple in structure, bubbles can be prevented from being mixed into the ceramic slurry, and the printing effect can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D clay printing equipment, in particular to a clay extruding device for a 3D clay printer. Background Art

[0002] In order to meet people's aesthetic needs and to create ceramic works that cannot be made by hand, 3D printing technology is introduced into ceramic production. That is, by controlling the printing trajectory of the 3D printer, various unexpected texture effects can be created on the surface of the pottery.

[0003] The clay used in the prior art 3D clay printing has poor fluidity, and currently most of them use air pressure extrusion to transport the clay from the storage tank to the print head of the printer. Due to the introduction of high-pressure airflow, bubbles are easily mixed into the clay during transportation, making it impossible to continuously transport the clay to the print head, thereby affecting the printing effect and further affecting the quality of the ceramic work. Utility Model Content

[0004] The utility model provides a clay extruding device for a 3D clay printer to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clay extruder for a 3D clay printer, comprising a bracket assembly and a barrel assembly, wherein the barrel assembly is clamped on the bracket assembly;

[0006] The bracket assembly includes a base, a column, a sleeve, a first adjusting bolt, a transfer seat, a second adjusting bolt, a pin and an open snap ring. The column is tightly plugged into the base, the sleeve is movably sleeved on the column and is fastened to the column through the first adjusting bolt, one end of the transfer seat is movably plugged into the sleeve and is fastened to the sleeve through the second adjusting bolt, and the other end of the transfer seat is hinged to the open snap ring through the pin;

[0007] The barrel assembly includes a cylinder, a PI heating film, a sealing cap, a connecting rod, a rubber pressure head, a fixed plate, a single-axis cylinder and a stroke sensor. The cylinder is provided with an interlayer, the PI heating film is arranged in the interlayer, the sealing cap is threadedly installed on the tail of the cylinder, the connecting rod and the rubber pressure head are both arranged in the cylinder, and one end of the connecting rod is connected to the rubber pressure head, and the other end of the connecting rod extends outward from the sealing cap and is connected to the fixed plate. The single-axis cylinder is fixed on the sealing cap, and its output end is connected to the fixed plate, and the stroke sensor is installed on the single-axis cylinder.

[0008] Furthermore, the first adjusting bolt is threadedly mounted on the sleeve, and the head end thereof is fastened to the column.

[0009] Furthermore, a rotating shaft is provided on one side of the sleeve, and an axial hole is provided on one end of the adapter seat, and the adapter seat is movably connected to the sleeve through the axial hole and the rotating shaft.

[0010] Furthermore, the second adjusting bolt is threadedly mounted on the shaft hole, and its head end is fastened to the rotating shaft.

[0011] Furthermore, an outlet is provided at the head end of the cylinder, and the rubber pressure head slides in the cylinder.

[0012] Furthermore, a guide sleeve is embedded on the cover, a guide column is installed on the fixing plate, and the guide column slides in the guide sleeve.

[0013] Compared with the prior art, the utility model provides a clay extruder for a 3D clay printer, which has the following beneficial effects:

[0014] The 3D clay printer uses a clay extrusion device. After the clay slurry is loaded into the cylinder, the rubber pressure head is installed together with the connecting rod, and then the cover is installed. The PI heating film is powered on and heated at a low temperature, so that the slurry is in a suitable temperature range to achieve a softening effect, so that its flow performance is better and the resistance during the extrusion process is reduced. The rubber pressure head is driven by a single-axis cylinder to move to extrude the slurry, and the displacement of the cylinder is measured by a stroke sensor to control the output of the slurry. The device has a simple structure and can avoid mixing bubbles into the clay slurry, which helps to ensure the printing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a structural diagram of the bracket assembly of the utility model;

[0017] Figure 3 This is a structural diagram of the barrel assembly of the utility model.

[0018] In the figure: 1. bracket assembly; 11. base; 12. column; 13. sleeve; 14. first adjusting bolt; 15. adapter; 16. second adjusting bolt; 17. pin; 18. open retaining ring; 19. rotating shaft; 110. shaft hole; 2. barrel assembly; 21. cylinder; 22. PI heating film; 23. sealing cover; 24. connecting rod; 25. rubber pressure head; 26. fixing plate; 27. single-axis cylinder; 28. stroke sensor; 29. ​​interlayer; 210. outlet; 211. guide sleeve; 212. guide column. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 3 The utility model discloses a clay extrusion device for a 3D clay printer, comprising a support assembly 1 and a barrel assembly 2, wherein the barrel assembly 2 is clamped on the support assembly 1, and when clay slurry is loaded into a cylinder 21, a rubber pressure head 25 is loaded together with a connecting rod 24, and then a cover 23 is installed, and a PI heating film 22 is powered on to generate heat at a low temperature, so that the slurry is in a suitable temperature range to achieve a softening effect, so that its flow performance is better and the resistance during the extrusion process is reduced, and the rubber pressure head 25 is driven by a single-axis cylinder 27 to move to extrude the slurry, and a stroke sensor 28 is used to measure the displacement of the cylinder, thereby controlling the output of the slurry. The device has a simple structure, can avoid bubbles from being mixed into the clay slurry, and is helpful to ensure the printing effect;

[0021] The support assembly 1 includes a base 11, a column 12, a sleeve 13, a first adjusting bolt 14, an adapter 15, a second adjusting bolt 16, a pin 17 and an open snap ring 18. The column 12 is tightly fitted and plugged into the base 11. The sleeve 13 is movably sleeved on the column 12 and is fastened to the column 12 through the first adjusting bolt 14. One end of the adapter 15 is movably plugged into the sleeve 13 and is fastened to the sleeve 13 through the second adjusting bolt 16. The other end of the adapter 15 is hinged to the open snap ring 18 through the pin 17.

[0022] The barrel assembly 2 includes a cylinder 21, a PI heating film 22, a cover 23, a connecting rod 24, a rubber pressure head 25, a fixed plate 26, a single-axis cylinder 27 and a stroke sensor 28. The cylinder 21 is provided with an interlayer 29, and the PI heating film 22 is arranged in the interlayer 29. The cover 23 is threadedly installed on the tail of the cylinder 21. The connecting rod 24 and the rubber pressure head 25 are both arranged in the cylinder 21, and one end of the connecting rod 24 is connected to the rubber pressure head 25, and the other end of the connecting rod 24 extends outward from the cover 23 and is connected to the fixed plate 26. The single-axis cylinder 27 is fixed on the cover 23, and its output end is connected to the fixed plate 26. The stroke sensor 28 is installed on the single-axis cylinder 27.

[0023] Specifically, the first adjusting bolt 14 is threadedly mounted on the sleeve 13 , and the head end thereof is fastened to the column 12 .

[0024] In this embodiment, the height of the barrel assembly 2 can be adjusted by loosening or tightening the first adjusting bolt 14 .

[0025] Specifically, a rotating shaft 19 is provided on one side of the sleeve 13 , and an axial hole 110 is provided on one end of the adapter 15 , and the adapter 15 is movably connected to the sleeve 13 through the axial hole 110 and the rotating shaft 19 .

[0026] In this embodiment, the adaptor 15 can rotate circumferentially relative to the sleeve 13 through the cooperation between the shaft hole 110 and the rotating shaft 19 .

[0027] Specifically, the second adjusting bolt 16 is threadedly mounted on the shaft hole 110 , and the head end thereof is fastened to the rotating shaft 19 .

[0028] In this embodiment, the horizontal state of the barrel assembly 2 can be adjusted by loosening or tightening the second adjusting bolt 16, so that the rear end thereof is tilted upward, thereby facilitating the extrusion of the slurry.

[0029] Specifically, the head end of the cylinder 21 is provided with an outlet 210 , and the rubber pressure head 25 slides in the cylinder 21 .

[0030] In this embodiment, the outlet 210 is connected to the print head via a hose, so as to supply material to the print head for printing.

[0031] Specifically, a guide sleeve 211 is embedded in the cover 23 , a guide post 212 is installed on the fixing plate 26 , and the guide post 212 slides in the guide sleeve 211 .

[0032] In this embodiment, the cooperation between the guide column 212 and the guide sleeve 211 enables the fixing plate 26 to have an accurate positioning function, so as to ensure the stability of the connecting rod 24 during displacement.

[0033] When in use, after the cylinder 21 is loaded with clay slurry, the rubber pressure head 25 is installed together with the connecting rod 24, and then the cover 23 is installed. The PI heating film 22 is energized to generate heat at a low temperature, so that the slurry is in a suitable temperature range to achieve a softening effect, improve its flow performance, and reduce the resistance during extrusion. The rubber pressure head 25 is driven by the uniaxial cylinder 27 to move to extrude the slurry, and the displacement of the cylinder is measured by the stroke sensor 28 to control the output of the slurry. The device has a simple structure, can avoid bubbles from being mixed into the clay slurry, and helps to ensure the printing effect.

[0034] In summary, the clay extrusion device for the 3D clay printer, when the clay slurry is loaded into the cylinder 21, the rubber pressure head 25 is loaded together with the connecting rod 24, and then the cover 23 is installed, and the PI heating film 22 is powered on and heated at a low temperature, so that the slurry is in a suitable temperature range to achieve a softening effect, so that its flow performance is better and the resistance during the extrusion process is reduced. The rubber pressure head 25 is driven by the uniaxial cylinder 27 to move to extrude the slurry, and the displacement of the cylinder is measured by the stroke sensor 28, so as to control the output of the slurry. The device has a simple structure, can avoid bubbles mixed in the clay slurry, and helps to ensure the printing effect.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clay extruder for a 3D clay printer, comprising a support assembly (1) and a barrel assembly (2), characterized in that: The barrel assembly (2) is clamped on the bracket assembly (1); The support assembly (1) comprises a base (11), a column (12), a sleeve (13), a first adjusting bolt (14), a transfer seat (15), a second adjusting bolt (16), a pin (17) and an open snap ring (18); the column (12) is tightly plugged into the base (11); the sleeve (13) is movably sleeved on the column (12) and is fastened to the column (12) via the first adjusting bolt (14); one end of the transfer seat (15) is movably plugged into the sleeve (13) and is fastened to the sleeve (13) via the second adjusting bolt (16); the other end of the transfer seat (15) is hinged to the open snap ring (18) via the pin (17); The barrel assembly (2) comprises a cylinder (21), a PI heating film (22), a cover (23), a connecting rod (24), a rubber pressure head (25), a fixed plate (26), a single-axis cylinder (27) and a stroke sensor (28). An interlayer (29) is provided in the cylinder (21), the PI heating film (22) is arranged in the interlayer (29), the cover (23) is threadedly installed on the tail of the cylinder (21), the connecting rod (24) and the rubber pressure head (25) are both arranged in the cylinder (21), and one end of the connecting rod (24) is connected to the rubber pressure head (25), and the other end of the connecting rod (24) extends outward from the cover (23) and is connected to the fixed plate (26), the single-axis cylinder (27) is fixed on the cover (23), and its output end is connected to the fixed plate (26), and the stroke sensor (28) is installed on the single-axis cylinder (27).

2. A clay extrusion device for a 3D clay printer according to claim 1, characterized in that: The first adjusting bolt (14) is threadedly mounted on the sleeve (13), and its head end is fastened to the column (12).

3. The clay extrusion device for a 3D clay printer according to claim 1, characterized in that: A rotating shaft (19) is provided on one side of the sleeve (13), and an axial hole (110) is provided on one end of the adapter seat (15), and the adapter seat (15) is movably plugged with the sleeve (13) via the axial hole (110) and the rotating shaft (19).

4. A clay extrusion device for a 3D clay printer according to claim 3, characterized in that: The second adjusting bolt (16) is threadedly mounted on the shaft hole (110), and its head end is fastened to the rotating shaft (19).

5. The clay extrusion device for a 3D clay printer according to claim 1, characterized in that: An outlet (210) is provided at the head end of the cylinder (21), and the rubber pressure head (25) slides in the cylinder (21).

6. The clay extrusion device for a 3D clay printer according to claim 1, characterized in that: A guide sleeve (211) is embedded on the sealing cover (23), a guide column (212) is installed on the fixing plate (26), and the guide column (212) slides in the guide sleeve (211).

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