CN212795907U - Switchable double-nozzle structure of FDM printing system - Google Patents
Switchable double-nozzle structure of FDM printing system Download PDFInfo
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- CN212795907U CN212795907U CN202021116622.8U CN202021116622U CN212795907U CN 212795907 U CN212795907 U CN 212795907U CN 202021116622 U CN202021116622 U CN 202021116622U CN 212795907 U CN212795907 U CN 212795907U
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Abstract
The utility model discloses a changeable double-nozzle structure of FDM printing system, which comprises a skeleton, be equipped with the motor on the skeleton side, the output of motor is rotated and is installed connecting rod one, connecting rod two are all rotated at a connecting rod both ends and are installed connecting rod two, every group two other ends of connecting rod rotate respectively and connect pay-off frame one and pay-off frame two, pay-off frame one and pay-off frame two all with skeleton sliding connection and move in vertical direction, a pay-off frame lower extreme sets up nozzle one, two lower extremes of pay-off frame set up nozzle two. The utility model discloses double-nozzle structure realizes alternate operation, and it is convenient to go up and down, and it is little to print the influence to the product, and product quality is good.
Description
Technical Field
The utility model relates to a FDM3D printer spare part, in particular to FDM printing system's changeable double nozzle structure.
Background
Two nozzle heights of traditional FDM3D printer can not switch, and when printing, workpiece surface can be scraped to idle nozzle, then causes part surface quality flaw gently, can scrape bad work piece or nozzle seriously, causes whole printing work failure, and product quality is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a changeable double nozzle structure of FDM printing system, this double nozzle structure realizes alternate operation, and it is convenient to go up and down, and it is little to print the influence to the product, and product quality is good.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides a changeable double-nozzle structure of FDM printing system, includes the skeleton, be equipped with the motor on the skeleton side, the output of motor is rotated and is installed connecting rod one, connecting rod two are all rotated and are installed at connecting rod both ends, every group two other ends of connecting rod rotate respectively and connect pay-off frame one and pay-off frame two, pay-off frame one and pay-off frame two all with skeleton sliding connection and move in vertical direction, a pay-off frame lower extreme sets up nozzle one, pay-off frame two lower extremes sets up nozzle two.
Preferably, a first feeding channel communicated with the first nozzle penetrates through the middle position of the first feeding frame, and a second feeding channel communicated with the second nozzle penetrates through the middle position of the second feeding frame.
Preferably, the first feeding frame is provided with two sets of first transmission belts in opposite rotating directions, any one set of the first transmission belts is driven by the two sets of belt pulleys, the first belt pulleys are rotatably arranged on the first feeding frame, the first feeding channel is arranged between the two sets of the first transmission belts, the second feeding frame is provided with two sets of second transmission belts in opposite rotating directions, any one set of the second transmission belts is driven by the two sets of the belt pulleys, the second belt pulleys are rotatably arranged on the second feeding frame, and the second feeding channel is arranged between the two sets of the second transmission belts.
Preferably, the first feeding frame is provided with a first groove, the first transmission belt and the first belt pulley are arranged in the first groove, the second feeding frame is provided with a second groove, and the second transmission belt and the second belt pulley are arranged in the second groove.
Preferably, the first belt pulley and the second belt pulley are both connected with an external driving motor.
Preferably, four groups of sliding rails are arranged on the side face of the framework, and every two of the four groups of sliding rails are connected with one of the feeding frames and the other feeding frame in a sliding mode.
Preferably, the output end of the motor is arranged at a middle position of the connecting rod.
By adopting the technical scheme, the motor is used for driving the first connecting rod and the second connecting rod to alternately lift, the nozzles which do not work are lifted, the nozzles which work sink, the idle nozzles in the printing process cannot scrape the surface of a workpiece, the condition that the workpiece is scratched by the nozzles is avoided, and the printing quality is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a perspective view of the present invention.
In the figure, 1-framework, 2-motor, 3-first connecting rod, 4-second connecting rod, 5-first feeding frame, 6-second feeding frame, 7-slide rail, 8-second nozzle and 9-first nozzle.
Detailed Description
The following description of the present invention will be made with reference to the accompanying drawings 1-2. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The utility model provides a switchable double-nozzle structure of FDM printing system, which comprises a framework 1, wherein a motor 2 is arranged on the side surface of the framework 1, a first connecting rod 3 is rotatably arranged at the output end of the motor 2, a second connecting rod 4 is rotatably arranged at both ends of the first connecting rod 3, the other end of the second connecting rod 4 of each group is respectively and rotatably connected with a first feeding frame 5 and a second feeding frame 6, the first feeding frame 5 and the second feeding frame 6 are both in sliding connection with the framework 1 and move in the vertical direction, a first nozzle 9 is arranged at the lower end of the first feeding frame 5, a second nozzle 8 is arranged at the lower end of the second feeding frame 6, in practice, the FDM printing system controls the motor 2 to drive the first connecting rod 3 to rotate, so as to realize that the second connecting rod 4 rises, the second connecting rod 4 falls, and the rising second connecting rod 4 drives the first feeding frame 5 or the second feeding frame 6, the other feeding frame II 6 or the feeding frame I5 moves downwards along the framework 1 along with the descending connecting rod II 4, so that the first nozzle 9 and the second nozzle 8 are ensured to be arranged below one another, staggered spinning is realized, and the first nozzle 9 or the second nozzle 8 which does not work is ensured not to be far enough away from the workpiece and can not scratch the surface of the workpiece.
The middle position of the first feeding frame 5 is provided with a first feeding channel communicated with the first nozzle 9 in a penetrating mode, the middle position of the second feeding frame 6 is provided with a second feeding channel communicated with the second nozzle 8 in a penetrating mode, and the first feeding channel and the second feeding channel are used for enabling the silk materials to flow.
Wherein, be equipped with two sets of driving belt one that revolve to opposite on the pay-off frame 5, an arbitrary a set of driving belt one is through the drive of two sets of belt pulleys, belt pulley one rotates and sets up on pay-off frame 5, pay-off passageway one sets up between two sets of driving belt one, be equipped with two sets of driving belt two that revolve to opposite on the pay-off frame two 6, an arbitrary a set of driving belt two is driven through two sets of belt pulleys, belt pulley two rotates and sets up on pay-off frame two 6, pay-off passageway two sets up between two sets of driving belt two, and belt pulley one drives driving belt one and moves and carry out the propelling movement to the silk material between, and belt pulley two drives driving belt two and moves and carry out the propelling movement to the silk material between.
The automatic belt feeding device is characterized in that a first groove is formed in the first feeding frame 5, a first transmission belt and a first belt pulley are arranged in the first groove, a second groove is formed in the second feeding frame 6, the second transmission belt and the second belt pulley are arranged in the second groove, the first groove and the second groove both play a role in hidden installation, and the whole occupied space is reduced.
The first belt pulley and the second belt pulley are both connected with an external driving motor, and the external driving motor provides a power source for the first belt pulley and the second belt pulley.
The side face of the framework 1 is provided with four groups of sliding rails 7, every two of the four groups of sliding rails 7 are in sliding connection with the first feeding frame 5 and the second feeding frame 6 respectively, and the sliding rails 7 play a role in sliding connection and are convenient to limit lifting tracks of the first feeding frame 5 and the second feeding frame 6.
The output end of the motor 2 is arranged in the middle of the first connecting rod 3, and when the motor 2 drives the first connecting rod 3 to rotate, the rotating angles of the two groups of second connecting rods 4 in opposite directions are equal to the moving distances of the first feeding frame 5 and the second feeding frame 6.
The utility model discloses nozzle lifting work in turn, it is little to the work piece printing influence, and the safety in utilization is good, and product printing quality is high.
The embodiments of the present invention have been described in detail with reference to fig. 1-2, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (6)
1. The utility model provides a switchable double-nozzle structure of FDM printing system, includes the skeleton, its characterized in that: the automatic feeding device is characterized in that a motor is arranged on the side face of the framework, a first connecting rod is installed at the output end of the motor in a rotating mode, a second connecting rod is installed at two ends of the first connecting rod in a rotating mode, the other end of the second connecting rod in each group is connected with a first feeding frame and a second feeding frame in a rotating mode respectively, the first feeding frame and the second feeding frame are connected with the framework in a sliding mode and move in the vertical direction, a first nozzle is arranged at the lower end of the first feeding frame, and a second nozzle is.
2. A switchable dual nozzle configuration for an FDM printing system in accordance with claim 1 wherein: the middle position of the first feeding frame is provided with a first feeding channel communicated with the first nozzle in a penetrating mode, and the middle position of the second feeding frame is provided with a second feeding channel communicated with the second nozzle in a penetrating mode.
3. A switchable dual nozzle configuration for an FDM printing system in accordance with claim 2 wherein: the feeding frame is characterized in that a first feeding frame is provided with two sets of transmission belts with opposite rotating directions, any one set of transmission belts is driven by the first transmission belts through two sets of belt pulleys, a first feeding channel is arranged between the first transmission belts, a second feeding frame is provided with two sets of transmission belts with opposite rotating directions, any one set of transmission belts is driven by the second transmission belts through the second belt pulleys, and a second feeding channel is arranged between the second transmission belts.
4. A switchable dual nozzle configuration for an FDM printing system in accordance with claim 3 wherein: the first belt pulley and the second belt pulley are connected with an external driving motor.
5. A switchable dual nozzle configuration for an FDM printing system in accordance with claim 1 wherein: four groups of sliding rails are arranged on the side face of the framework, and every two of the four groups of sliding rails are connected with one of the feeding frames and the other feeding frame in a sliding mode.
6. A switchable dual nozzle configuration for an FDM printing system in accordance with claim 1 wherein: the output end of the motor is arranged in the middle of the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021116622.8U CN212795907U (en) | 2020-06-16 | 2020-06-16 | Switchable double-nozzle structure of FDM printing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021116622.8U CN212795907U (en) | 2020-06-16 | 2020-06-16 | Switchable double-nozzle structure of FDM printing system |
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| Publication Number | Publication Date |
|---|---|
| CN212795907U true CN212795907U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021116622.8U Active CN212795907U (en) | 2020-06-16 | 2020-06-16 | Switchable double-nozzle structure of FDM printing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139523A (en) * | 2022-05-13 | 2022-10-04 | 南京航空航天大学 | Quick-change 3D printing nozzle for curved surface printing |
-
2020
- 2020-06-16 CN CN202021116622.8U patent/CN212795907U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139523A (en) * | 2022-05-13 | 2022-10-04 | 南京航空航天大学 | Quick-change 3D printing nozzle for curved surface printing |
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