Rotary variable-diameter printing head for realizing multi-layer printing continuity

Abstract

The invention provides a rotary variable-diameter printing head for realizing multi-layer printing continuity. The rotary variable-diameter printing head consists of an adjustable nozzle head, a feeding pipe, an adjusting assembly, a rotating assembly, a heating assembly and a quantity control assembly, the nozzle head is used for spraying a molten printing material; the feeding pipe is used for conveying a printing material to the nozzle head; the adjusting assembly is used for adjusting the diameter of the nozzle; the rotating assembly is used for driving the adjustable nozzle head to rotate; the heating assembly is used for heating the feeding pipe to prevent the printing material from being solidified; the quantity control assembly is used for controlling the flow of the printing material in the ink tube. The nozzle has the beneficial effects that the diameter of the nozzle can be flexibly adjusted; the printing efficiency can be improved; the nozzle can be prevented from being blocked; and the printing quality can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of fiber composite material printing, and in particular to a rotary variable-diameter printing head for realizing multi-layer printing continuity. Background Art

[0002] Fiber composite materials are a type of composite material composed of fibers and matrix materials. They have excellent properties such as light weight, high strength, and corrosion resistance. They are widely used in aerospace, automobile manufacturing, construction engineering, and other fields. Additive technology, or 3D printing technology, is a new material molding technology that features layer-by-layer stacking of materials. Combining fiber composite materials with additive technology can open up new application areas and manufacturing methods.

[0003] The rotating variable-diameter printhead for multi-layer printing continuity is an innovative printing technology solution designed to improve printing efficiency and quality, especially in complex tasks that require multi-layer printing.

[0004] At present, in multi-layer printing tasks such as 3D printing and large-format inkjet printing, traditional fixed-diameter print heads often cannot meet the printing requirements of complex parts and different sizes. In addition, during long-term printing, the nozzles are prone to clogging, affecting the printing effect and continuity. Therefore, it is particularly important to develop a rotary variable-diameter print head that can flexibly adjust the nozzle diameter, prevent clogging, and improve printing continuity. Summary of the invention

[0005] To solve the above problems, the present invention discloses a rotary variable-diameter print head for achieving multi-layer printing continuity. The nozzle head is driven to rotate by a rotating component, and the diameter of the nozzle is adjusted by an adjusting component, thereby achieving adaptation to printing tasks of different sizes.

[0006] The specific plan is as follows: A rotary variable-diameter print head for achieving multi-layer printing continuity, characterized in that it is composed of an adjustable nozzle head, a feed pipe, an adjustment component, a rotation component, a heating component and a quantity control component; the nozzle head is used to spray molten printing material; the feed pipe is used to transport printing material to the nozzle head; the adjustment component is used to adjust the diameter of the nozzle; the rotation component is used to drive the adjustable nozzle head to rotate; the heating component is used to heat the feed pipe to prevent the printing material from solidifying; the quantity control component is used to control the flow of printing material in the ink tube.

[0007] Furthermore, the rotary variable-diameter print head is placed in a mounting seat, and the mounting seat is a hollow columnar structure, wherein an annular cylinder cavity is provided in the middle, and an annular piston that can move up and down is installed in the annular cylinder cavity, and an air pipe that is connected to the upper and lower end faces of the annular cylinder cavity is provided on the side of the mounting seat; an annular sealing cavity is provided below the annular cylinder cavity, and an annular sealing plug that can move up and down is installed in the annular sealing cavity, and the upper end face of the annular sealing plug is sealed and connected to the lower end face of the annular piston; an annular regulating cavity is provided below the annular sealing cavity.

[0008] Furthermore, the feed pipe is a vertically arranged circular tubular structure, which can be rotatably placed in the middle of the mounting seat, with the upper end connected to the storage box through a connector, and the outer side of the lower end being conical.

[0009] Furthermore, the adjustable nozzle heads are evenly distributed at the lower end of the feed pipe along the circumferential direction, and the adjustable nozzle heads can swing along the radial direction of the feed pipe, and the outer portion of the upper section thereof is a cone surface.

[0010] Furthermore, the heating assembly includes a heating sleeve sleeved outside the feed pipe, the feed pipe is rotatably placed in the heating sleeve, the heating sleeve is an electric heating sleeve, and its upper end is signal-connected to a control module placed in a mounting seat.

[0011] Furthermore, the adjustment assembly includes an adjustment plate rotatably mounted on the outside of the adjustable nozzle head, and a first spring for tightening the adjustable nozzle head. A conical hole is provided in the middle of the adjustment plate for sliding contact with the upper conical surface of the adjustable nozzle head, and the adjustment plate can be slid up and down in the annular adjustment cavity. The top surface of the adjustment plate is fixedly connected to the bottom surface of the annular sealing plug through connecting rods evenly distributed along the circumferential direction; the upper and lower ends of the first spring are respectively fixedly connected to the outer side of the lower end of the feed pipe and the outer side of the upper end of the adjustable nozzle head.

[0012] Furthermore, the rotating assembly includes a rotating ring plate fixedly sleeved on the outer side of the upper section of the feed pipe, and the rotating ring plate is rotatably supported on the mounting seat, and a gear ring is sleeved on the outer side thereof for transmission connection with the output end of the motor.

[0013] Furthermore, a limiting end plate is provided in the lower end of the mounting seat, and a second spring is provided between the limiting end plate and the adjusting plate.

[0014] The beneficial effects of the present invention are: 1. The nozzle diameter can be flexibly adjusted; the rotary variable-diameter print head can flexibly adjust the nozzle diameter according to printing requirements, thereby adapting to the printing tasks of complex parts of different sizes.

[0015] 2. It can improve printing efficiency; by quickly adjusting the nozzle diameter and accurately controlling the flow of printing materials, the rotary variable-diameter print head can significantly improve printing efficiency and shorten the printing cycle.

[0016] 3. Prevent nozzle clogging; the synergistic effect of the heating component and the quantity control component helps prevent nozzle clogging and maintain the continuity and stability of the printing process.

[0017] 4. Improve printing quality; precise nozzle diameter adjustment and printing material flow control can help improve printing quality, achieve higher printing accuracy and more delicate image effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention.

[0019] Figure 2 It is a partial enlarged view of the adjustable nozzle head in the present invention.

[0020] Figure 3 It is a schematic diagram of the variable diameter state in the present invention.

[0021] Figure 4 It is an external schematic diagram of the present invention.

[0022] List of reference numerals: 1-mounting seat, 2-annular piston, 3-air pipe, 4-annular sealing plug, 5-feeding pipe, 6-adjustable nozzle head, 7-heating sleeve, 8-adjusting plate, 9-first spring, 10-rotating ring plate, 11-limiting end plate, 12-second spring, 13-connecting rod. DETAILED DESCRIPTION

[0023] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0024] As shown in the figure, the present invention provides a rotary variable-diameter print head for achieving multi-layer printing continuity, which is characterized by: consisting of an adjustable nozzle head, a feed pipe, an adjustment component, a rotation component, a heating component and a quantity control component; the nozzle head is used to spray molten printing material; the feed pipe is used to transport printing material to the nozzle head; the adjustment component is used to adjust the diameter of the nozzle; the rotation component is used to drive the adjustable nozzle head to rotate; the heating component is used to heat the feed pipe to prevent the printing material from solidifying; the quantity control component is used to control the flow of printing material in the ink tube.

[0025] In this embodiment, the rotary variable-diameter print head is placed in a mounting seat 1, and the mounting seat is a hollow columnar structure, wherein an annular cylinder cavity is provided in the middle, and an annular piston 2 that can move up and down is installed in the annular cylinder cavity, and an air pipe 3 that is connected to the upper and lower end faces of the annular cylinder cavity is provided on the side of the mounting seat; an annular sealing cavity is provided below the annular cylinder cavity, and an annular sealing plug 4 that can move up and down is installed in the annular sealing cavity, and the upper end face of the annular sealing plug is sealed and connected to the lower end face of the annular piston, and its function is to ensure the sealing of the annular cylinder cavity and improve the movement accuracy of the annular piston; an annular regulating cavity is provided below the annular sealing cavity.

[0026] In this embodiment, the feed pipe 5 is a vertically arranged hard heat-conducting circular tubular structure, which can be rotatably placed in the middle of the mounting seat, with the upper end connected to the storage box through a connector and the outer side of the lower end being conical.

[0027] In this embodiment, the adjustable nozzle heads 6 are evenly distributed at the lower end of the feed pipe along the circumferential direction, and the adjustable nozzle heads can swing along the radial direction of the feed pipe, and the outer portion of the upper section is a cone.

[0028] In this embodiment, the heating assembly includes a heating sleeve 7 sleeved outside the feed pipe, and the feed pipe is rotatably placed in the heating sleeve. The heating sleeve is an electric heating sleeve, and its upper end is signal-connected to the control module placed in the mounting seat.

[0029] In this embodiment, the adjustment assembly includes an adjustment plate 8 rotatably mounted on the outside of the adjustable nozzle head, and a first spring 9 for tightening the adjustable nozzle head. The middle portion of the adjustment plate is provided with a conical hole that is in sliding contact with the upper conical surface of the adjustable nozzle head, and the adjustment plate can be slid up and down in the annular adjustment cavity. The top surface of the adjustment plate is fixedly connected to the bottom surface of the annular sealing plug through connecting rods 13 evenly distributed along the circumferential direction; the upper and lower ends of the first spring are respectively fixedly connected to the outer side of the lower end of the feed pipe and the outer side of the upper end of the adjustable nozzle head, so as to provide radial rotational external force to the adjustable nozzle head.

[0030] In this embodiment, the rotating assembly includes a rotating ring plate 10 fixedly sleeved on the outer side of the upper section of the feed pipe, and the rotating ring plate is rotatably supported on a mounting seat, and a gear ring is sleeved on its outer side for transmission connection with the output end of the motor.

[0031] In this embodiment, a limiting end plate 11 is further provided in the lower end of the mounting seat, and a second spring 12 is provided between the limiting end plate and the adjusting plate.

[0032] The rotary variable diameter print head of the present invention has broad application prospects in many fields, including but not limited to: 1. 3D printing: In the field of 3D printing, the rotary variable-diameter print head can achieve precise printing of objects of different sizes and shapes, improving printing efficiency and quality.

[0033] 2. Large-format inkjet printing: In the field of large-format inkjet printing, the rotary variable-diameter print head can achieve accurate printing of large-format images, meeting the printing needs in advertising, packaging and other fields.

[0034] 3. Industrial manufacturing: In the field of industrial manufacturing, the rotary variable-diameter print head can achieve precise printing and rapid manufacturing of complex parts, improving production efficiency and product quality.

[0035] The technical means disclosed in the scheme of the present invention are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical schemes composed of any combination of the above-mentioned technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims

1. A rotary variable diameter print head for achieving multi-layer printing continuity, characterized in that: It consists of an adjustable nozzle head, a feed pipe, an adjustment component, a rotating component, a heating component and a quantity control component; the nozzle head is used to spray molten printing material; the feed pipe is used to transport printing material to the nozzle head; the adjustment component is used to adjust the diameter of the nozzle; the rotating component is used to drive the adjustable nozzle head to rotate; the heating component is used to heat the feed pipe to prevent the printing material from solidifying; the quantity control component is used to control the flow of printing material in the ink tube.

2. The rotary variable-diameter print head for achieving multi-layer printing continuity according to claim 1, characterized in that: The rotary variable-diameter print head is placed in a mounting seat, which is a hollow columnar structure, with an annular cylinder cavity in the middle, and an annular piston that can move up and down is installed in the annular cylinder cavity, and an air pipe that is connected to the upper and lower end faces of the annular cylinder cavity is provided on the side of the mounting seat; an annular sealing cavity is provided below the annular cylinder cavity, and an annular sealing plug that can move up and down is installed in the annular sealing cavity, and the upper end face of the annular sealing plug is sealed and connected to the lower end face of the annular piston; an annular regulating cavity is provided below the annular sealing cavity.

3. The rotary variable-diameter print head for achieving multi-layer printing continuity according to claim 2, characterized in that: The feed pipe is a vertically arranged circular tubular structure, which is rotatably placed in the middle of the mounting seat, with the upper end connected to the storage box through a connector, and the outer side of the lower end being tapered.

4. The rotary variable diameter print head for achieving multi-layer printing continuity according to claim 3, characterized in that: The adjustable nozzle heads are evenly distributed at the lower end of the feed pipe along the circumferential direction, and the adjustable nozzle heads can swing along the radial direction of the feed pipe, and the outer portion of the upper section thereof is a cone surface.

5. The rotary variable diameter print head for achieving multi-layer printing continuity according to claim 4, characterized in that: The heating assembly comprises a heating sleeve sleeved outside a feed pipe, wherein the feed pipe is rotatably placed in the heating sleeve, and the heating sleeve is an electric heating sleeve, and an upper end thereof is signal-connected to a control module placed in a mounting seat.

6. The rotary variable diameter print head for achieving multi-layer printing continuity according to claim 5, characterized in that: The adjustment assembly includes an adjustment plate rotatably mounted on the outside of the adjustable nozzle head, and a first spring for tightening the adjustable nozzle head. A conical hole is provided in the middle of the adjustment plate for sliding contact with the upper conical surface of the adjustable nozzle head, and the adjustment plate can be slid up and down in the annular adjustment cavity. The top surface of the adjustment plate is fixedly connected to the bottom surface of the annular sealing plug through connecting rods evenly distributed along the circumferential direction; the upper and lower ends of the first spring are respectively fixedly connected to the outer side of the lower end of the feed pipe and the outer side of the upper end of the adjustable nozzle head.

7. The rotary variable-diameter print head for achieving multi-layer printing continuity according to claim 6, characterized in that: The rotating assembly comprises a rotating ring plate fixedly sleeved outside the upper section of the feed pipe, and the rotating ring plate is rotatably supported on a mounting seat, and a gear ring is sleeved on the outer side thereof and transmission-connected to the output end of the motor.

8. The rotary variable-diameter print head for achieving multi-layer printing continuity according to claim 7, characterized in that: A limiting end plate is also provided in the lower end of the mounting seat, and a second spring is provided between the limiting end plate and the adjusting plate.

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