Rotary variable-diameter print head for achieving multi-layer printing continuity

Abstract

The present invention provides a rotary variable-diameter print head for realizing multi-layer printing continuity, which is composed of an adjustable nozzle head, a feed pipe, an adjustment assembly, a rotation assembly, a heating assembly, and a metering assembly; the nozzle head is used for ejecting molten printing material; the feed pipe is used for conveying printing material to the nozzle head; the adjustment assembly is used for adjusting the diameter of the nozzle; the rotation assembly is used for driving the adjustable nozzle head to rotate; the heating assembly is used for heating the feed pipe to prevent the printing material from solidifying; the metering assembly is used for controlling the flow rate of the printing material in the ink pipe. The beneficial effects of the present invention are as follows: it can flexibly adjust the nozzle diameter; it can improve the printing efficiency; it can prevent nozzle blockage; it can improve the printing quality.

Description

Technical Field

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

[0002] Fiber composite materials are composite materials composed of fibers and matrix materials, with excellent properties such as light weight, high strength, and corrosion resistance, and are widely used in fields such as aerospace, automotive manufacturing, and construction engineering. Additive technology, that is, 3D printing technology, is a brand-new material forming technology with the characteristic of forming by layer-by-layer stacking of materials. Combining fiber composite materials with additive technology can open up new application fields and manufacturing methods.

[0003] The rotary variable-diameter print head for realizing multi-layer printing continuity is an innovative printing technology solution aimed at improving printing efficiency and quality, especially in complex tasks that require multi-layer printing.

[0004] Currently, in multi-layer printing tasks, such as in the fields of 3D printing and large-format inkjet printing, traditional fixed-diameter print heads often struggle to meet the printing requirements of complex parts and different sizes. In addition, during long printing processes, 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 realizing multi-layer printing continuity, which drives the nozzle head to rotate through a rotating component, and at the same time uses an adjusting component to adjust the diameter of the nozzle, so as to adapt to different-size printing tasks.

[0006] The specific solutions are as follows:

[0007] The rotary variable-diameter print head for realizing multi-layer printing continuity is characterized in that: it is composed of an adjustable nozzle head, a feeding pipe, an adjusting component, a rotating component, a heating component, and a metering component; the nozzle head is used for spraying molten printing material; the feeding pipe is used for conveying printing material to the nozzle head; the adjusting component is used for adjusting the diameter of the nozzle; the rotating component is used for driving the adjustable nozzle head to rotate; the heating component is used for heating the feeding pipe to prevent the printing material from solidifying; the metering component is used for controlling the flow rate of the printing material in the ink pipe.

[0008] Furthermore, the rotary variable-diameter print head is placed in a mounting seat, and the mounting seat 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 respectively 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 with the lower end face of the annular piston; an annular regulating cavity is provided below the annular sealing cavity.

[0009] Furthermore, the feeding 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 is conical.

[0010] 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.

[0011] 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 the control module placed in the mounting seat.

[0012] 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. The middle part 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 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.

[0013] 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.

[0014] 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 adjustment plate.

[0015] The beneficial effects of the present invention are:

[0016] 1. Flexible adjustment of nozzle diameter: The rotary variable-diameter print head can flexibly adjust the nozzle diameter according to printing requirements, thereby adapting to printing tasks of complex parts of different sizes.

[0017] 2. It can improve printing efficiency; by quickly adjusting the nozzle diameter and precisely controlling the printing material flow rate, the rotary variable-diameter print head can significantly improve printing efficiency and shorten the printing cycle.

[0018] 3. It can prevent nozzle clogging; the synergistic effect of the heating component and the metering component helps prevent nozzle clogging and maintain the continuity and stability of the printing process.

[0019] 4. It can improve printing quality; precise adjustment of the nozzle diameter and control of the printing material flow rate help improve printing quality and achieve higher printing accuracy and finer image effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the present invention.

[0021] Figure 2 It is a partially enlarged view of the adjustable nozzle head in the present invention.

[0022] Figure 3 It is a schematic diagram of the variable-diameter state in the present invention.

[0023] Figure 4 It is an external schematic diagram of the present invention.

[0024] LIST OF REFERENCE NUMERALS:

[0025] 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 OF THE INVENTION

[0026] The following further clarifies the present invention in conjunction with the drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and not to limit the scope of the present invention.

[0027] As shown in the figure, the present invention provides a rotary variable-diameter print head for realizing the continuity of multi-layer printing, which is characterized in that it is composed of an adjustable nozzle head, a feeding pipe, an adjusting component, a rotating component, a heating component and a metering component; the nozzle head is used for ejecting molten printing material; the feeding pipe is used for conveying printing material to the nozzle head; the adjusting component is used for adjusting the diameter of the nozzle; the rotating component is used for driving the adjustable nozzle head to rotate; the heating component is used for heating the feeding pipe to prevent the printing material from solidifying; the metering component is used for controlling the flow rate of the printing material in the ink pipe.

[0028] In this embodiment, the rotary variable-diameter print head is placed in a mounting seat 1, which is a hollow columnar structure, with an annular cylinder cavity 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.

[0029] 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 is conical.

[0030] 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 thereof is a cone.

[0031] In this embodiment, the heating assembly includes a heating sleeve 7 that is sleeved on the outside of 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 the control module placed in the mounting seat.

[0032] In this embodiment, the adjustment assembly includes an adjustment plate 8 that is 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 that are 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 an external force for radial rotation to the adjustable nozzle head.

[0033] In this embodiment, the rotating assembly includes a rotating ring plate 10 fixedly mounted on the outer portion of the feed pipe, and the rotating ring plate is rotatably supported on the mounting seat, and a gear ring is mounted on the outer side thereof for transmission connection with the output end of the motor.

[0034] 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 adjustment plate.

[0035] The rotary variable-diameter print head of the present invention has broad application prospects in multiple fields, including but not limited to:

[0036] 1. 3D Printing: In the field of 3D printing, a rotary variable-diameter print head can achieve precise printing of objects with different sizes and shapes, improving printing efficiency and quality.

[0037] 2. Large-format Inkjet Printing: In the field of large-format inkjet printing, a rotary variable-diameter print head can achieve precise printing of large-format images, meeting the printing needs in fields such as advertising and packaging.

[0038] 3. Industrial Manufacturing: In the field of industrial manufacturing, a rotary variable-diameter print head can achieve precise printing and rapid manufacturing of complex parts, improving production efficiency and product quality.

[0039] The technical means disclosed in the solution of the present invention are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present invention.

Claims

1. A rotary variable-diameter print head for realizing multi-layer printing continuity, characterized in that: The invention is composed 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 the melted printing material; the feed pipe is used to transport the 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 the printing material in the ink tube; the rotary variable diameter print head is placed in the mounting seat, and the mounting seat is a hollow columnar structure with an annular cylinder cavity in the middle and an annular cylinder cavity in the middle. An annular piston that can move up and down is installed in the annular cylinder cavity, and the side surface of the mounting seat is provided with an air pipe that is connected to the upper and lower end surfaces of the annular cylinder cavity respectively; 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 surface of the annular sealing plug is sealed with the lower end surface of the annular piston; an annular regulating cavity is provided below the annular sealing cavity; the feeding pipe is a vertically arranged circular tubular structure, which is rotatably placed in the middle of the mounting seat, the upper end of which is connected to the storage box through a connecting head, and the outer side of the lower end is conical; the adjustable nozzle head is along The circumferential direction is evenly distributed at the lower end of the feed pipe, and the adjustable nozzle head can swing along the radial direction of the feed pipe, and the outer portion of the upper section is a conical surface; the heating component includes a heating sleeve mounted on the outside of the feed pipe, and the feed pipe is rotatably placed in the heating sleeve, and the heating sleeve is an electric heating sleeve, and its upper end is connected to the control module signal placed in the mounting seat; the adjustment component includes an adjustment plate rotatably mounted on the outside of the adjustable nozzle head, and a first spring for tightening the adjustable nozzle head, and the middle part 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 adjusting plate can be slid up and down and placed in the annular regulating cavity. The top surface of the adjusting 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 fixedly connected to the outer side of the lower end of the feeding pipe and the outer side of the upper end of the adjustable nozzle head respectively; the rotating assembly includes a rotating ring plate fixedly sleeved on the outside of the upper section of the feeding pipe, and the rotating ring plate is rotatably supported on the mounting seat, and the outer side of the rotating ring plate is sleeved with a gear ring connected to the output end of the motor; 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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