CN213291359U

CN213291359U - Automatic switch shower nozzle 3D printer

Info

Publication number: CN213291359U
Application number: CN202021290904.XU
Authority: CN
Inventors: 李辰; 夏琳峰; 王子夜; 孟繁瑀
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-05-28
Anticipated expiration: 2030-07-03

Abstract

The utility model provides an automatic switching shower nozzle 3D printer, including base, support, print platform and displacement mechanism, support and print platform all connect on the base, displacement mechanism connects on the support, and this displacement mechanism goes up the cover and establishes a shower nozzle auto-change over device, the utility model discloses simple structure, convenient to use through utilizing shower nozzle auto-change over device, can realize the mutual switching between the print shower nozzle, can select the print shower nozzle that needs to take in the switching mechanism with the print shower nozzle that does not need, prevent that the print shower nozzle that does not use in the printing process from colliding with the piece printed; through utilizing displacement mechanism for shower nozzle auto-change over device can remove on the horizontal plane, and the cooperation uses print platform, thereby guarantees that the printer can realize three-dimensional printing work.

Description

Automatic switch shower nozzle 3D printer

Technical Field

The utility model relates to a 3D printing apparatus technical field especially relates to an automatic switch-over shower nozzle 3D printer.

Background

The 3D printing technology is a rapid prototyping technology, and its main principle is that a bondable material such as powdered metal or plastic is used, and a printed object is constructed by stacking one layer after another, and is applicable to the fields of mold manufacturing, industrial design, model building and the like, the 3D printing technology has been developed into one of important production modes in the manufacturing industry, and a manufacturing process of "direct digital manufacturing" has been formed, and along with the gradual development of technology, the technology of a 3D printer is more and more mature, for example, chinese patent with application date of 2016.01.26, publication number of CN205364562, invention name of "a 3D printer nozzle and 3D printer", and a 3D printing apparatus capable of switching printing nozzles is disclosed, but the aforesaid patent only controls the on-off state of the printing nozzle during the actual printing process, so that the unused printing nozzle may collide with the printed workpiece during the printing process, further, the printing effect is affected, and therefore, the practicability is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective is the problem that exists among the solution prior art, provides a simple and practical, utilizes the switching mechanism among the shower nozzle auto-change over device, can realize printing the switching over each other between the shower nozzle for in printing the in-process and need not print the shower nozzle and take in the switching mechanism, avoid unused printing the shower nozzle with by printing a collision mutually, the influence is printed the process, utilizes displacement mechanism simultaneously, realizes shower nozzle auto-change over shower nozzle 3D printer of effect is printed in horizontal position's removal to the realization shower nozzle auto-change over device, the assurance.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides an automatic switch shower nozzle 3D printer, includes base, support, print platform and displacement mechanism, support and print platform all connect on the base, displacement mechanism connects on the support, and this displacement mechanism goes up the cover and establishes a shower nozzle auto-change over device.

Further, the nozzle switching device comprises a switching mechanism and a printing nozzle, the switching mechanism is sleeved on the displacement mechanism, and the printing nozzle is connected to the switching mechanism.

Further, the switching mechanism is arranged to include a first shell, a driving shaft and a connecting rod, the first shell is connected to the displacement mechanism, a driving motor is connected to the first shell, the input end of the driving shaft is connected to the output end of the driving motor, a curved groove is formed in the arc-shaped curved surface of the driving shaft, and one end of the connecting rod runs in the curved groove.

Furthermore, the other end of the connecting rod is connected to a printing nozzle, and the printing nozzle is arranged in the first shell in a sliding mode.

Further, the switching mechanism comprises a second shell, a driving gear and a rack, the second shell is connected to the displacement mechanism, a driving motor is connected to the inside of the second shell, the driving gear is connected to the output end of the first driving motor, and the rack is meshed with the driving gear.

Furthermore, the printing nozzle is arranged in the second shell in a sliding mode and connected to the rack.

Further, two sets of slide rails are connected to the top of support.

Furthermore, two sets of sliders are slidably sleeved on the slide rail.

Further, displacement mechanism is including carrying out cylinder, motor, drive assembly, threaded rod and slide bar, carry out the cylinder and connect on the support, and the output of its piston rod is connected on the slide, the motor is connected on the slide, drive assembly's input is connected in the output of motor, and its output is connected in the input of threaded rod, the both ends of threaded rod are rotated respectively and are worn to locate on the slide, and this threaded rod is joined in marriage soon and is passed shower nozzle auto-change over device, the both ends of slide bar are fixed connection respectively on two sets of slides, and this slide bar slides and passes shower nozzle auto-change over device.

Further, print platform includes lift cylinder and workstation, the bottom of lift cylinder is connected on the base, the bottom of workstation is connected in the piston rod output of lift cylinder.

The utility model has the advantages and positive effects that: the utility model has simple structure and convenient use, can realize the mutual switching between the printing spray heads by utilizing the spray head switching device, can select the required printing spray head, and takes the printing spray head which is not required into the switching mechanism, thereby preventing the printing spray head which is not used in the printing process from colliding with the printed piece; through utilizing displacement mechanism for shower nozzle auto-change over device can remove on the horizontal plane, and the cooperation uses print platform, thereby guarantees that the printer can realize three-dimensional printing work.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a head switching device in embodiment 1.

Fig. 3 is a schematic structural view of a head switching device in embodiment 2.

Fig. 4 is a schematic structural view of the displacement mechanism.

Fig. 5 is a block diagram of the electrical connections between the actuator cylinder, the lift cylinder, the motor and the drive motor and the controller.

In the figure: the printing device comprises a base 1, a support 2, a printing platform 3, a lifting cylinder 31, a workbench 32, a displacement mechanism 4, an execution cylinder 41, a motor 42, a transmission component 43, a threaded rod 44, a sliding rod 45, a spray head switching device 5, a switching mechanism 51, a first shell 5111, a driving shaft 5112, a connecting rod 5113, a second shell 5121, a driving gear 5122, a rack 5123, a printing spray head 52, a sliding rail 6 and a sliding seat 7.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

Example 1

As shown in fig. 1, fig. 2, fig. 4 and fig. 5, an automatic switching nozzle 3D printer, including base 1, support 2, print platform 3 and displacement mechanism 4, support 2 and print platform 3 all connect on base 1, displacement mechanism 4 connects on support 2, and this displacement mechanism 4 goes up the cover and establishes a shower nozzle auto-change over device 5, through utilizing displacement mechanism 4, ensure that the printer can control shower nozzle auto-change over device 5 at the printing in-process, make it move on the horizontal plane, cooperate and use print platform 3, can adjust the horizontal height of the piece of being printed in the printing process, through shower nozzle auto-change over device 5, can change different print nozzle 52, and can not interfere with each other between the print nozzle 52, guarantee the printing effect.

Specifically, the specific structures and operating principles of the bracket 2 and the base 1 are all related to the prior art in the technical field, and therefore are not described again.

Further, the head switching device 5 includes a switching mechanism 51 and a printing head 52, the switching mechanism 51 is sleeved on the displacement mechanism 4, the printing head 52 is connected to the switching mechanism 51, switching of the printing head 52 is realized by using the switching mechanism 51, the printing head 52 required in the printing process can be selected, and the unused printing head 52 is accommodated in the switching mechanism 52, so that the printing process is prevented from being influenced.

Further, the switching mechanism 51 is configured to include a first housing 5111, a driving shaft 5112 and a connecting rod 5113, the first housing 5111 is connected to the displacement mechanism 4, a driving motor is connected to the first housing 5111, an input end of the driving shaft 5112 is connected to an output end of the driving motor, a curved groove is formed on the circular arc-shaped curved surface of the driving shaft 5112, one end of the connecting rod 5113 travels in the curved groove, the other end of the connecting rod 5113 is connected to the print head 52, the print head 52 is slidably disposed in the first housing 5111, when the driving motor rotates, the driving shaft 5112 connected to the output end of the driving motor is driven to rotate, and because the driving shaft 5112 is formed with the curved groove, when one end of the connecting rod 5113 slides to a top end of the curved groove, the print head 52 connected to the connecting rod 5113 slides into the first housing 5111; when one end of the link 5113 slides to the bottom end of the curved groove, the print head 52 connected to the link 5113 is made to slide out of the housing.

Furthermore, the top of the support 2 is connected with two sets of slide rails 6, two sets of slide seats 7 are slidably sleeved on the slide rails 6, the displacement mechanism 4 comprises an execution cylinder 41, a motor 42, a transmission assembly 43, a threaded rod 44 and a slide rod 45, the execution cylinder 41 is connected to the support 2, the output end of a piston rod of the execution cylinder is connected to the slide seats 7, the motor 42 is connected to the slide seats 7, the input end of the transmission assembly 43 is connected to the output end of the motor 42, the output end of the transmission assembly is connected to the input end of the threaded rod 44, two ends of the threaded rod 44 are respectively rotatably arranged on the slide seats 7, the threaded rod 44 is rotatably arranged on the spray head switching device 5, two ends of the slide rod 45 are respectively and fixedly connected to the two sets of slide seats 7, the slide rod 45 slidably passes through the spray head switching device 5; meanwhile, the motor 42 on the sliding base 7 drives the threaded rod 44 to rotate through the transmission assembly 43 during the rotation process, and since the switching mechanism 51 is sleeved on the sliding rod 45, the threaded rod 44 is rotatably matched on the switching mechanism 51, so that the switching mechanism 51 is driven to slide along the sliding rod 45 through the threads.

Further, print platform 3 includes lift cylinder 31 and workstation 32, and the bottom of lift cylinder 31 is connected on base 1, and the piston rod output end in lift cylinder 31 is connected to the bottom of workstation 32, and at the printer printing in-process, lift cylinder 31 accessible piston rod's output drives workstation 32 and rises or falls, realizes the control to print platform 3.

Example 2

As shown in fig. 3, the difference from embodiment 1 is that, further, the switching mechanism 51 includes a second housing 5121, a driving gear 5122 and a rack 5123, the second housing 5121 is connected to the displacement mechanism 4, a driving motor is connected to the second housing 5121, the driving gear 5122 is connected to an output end of the first driving motor, the rack 5123 is slidably disposed in the second housing 5121, the print head 52 is slidably disposed in the second housing 5121, and the print head 52 is connected to the rack 5123, when the driving motor rotates, the driving gear 5122 is driven to rotate, since two sides of the driving gear 5122 are respectively engaged with the rack 5123, the rack 5123 is connected to the print head 52, so the driving gear 5122 drives the print head 52 connected to the rack 5123 to switch.

In addition, the above-mentioned driving motor and the first housing 5111 and the second housing 5121 may be connected by screws, the driving motor and the driving shaft 5112 may be connected by a shaft sleeve, the bottom of the actuating cylinder 41 and the bracket 2, the motor 42 and the sliding base 7, the output end of the piston rod of the actuating cylinder 41 and the sliding base 7, the bottom of the lifting cylinder 31 and the base 1, and the output end of the piston rod of the lifting cylinder 31 and the worktable 32 may be connected by bolts, and the threaded rod 44 and the sliding rod may be connected by bearings; the transmission assembly 43 can adopt gear transmission, and a curved groove formed on the driving shaft 5112 is formed along the arc working surface and is closed; the specific structures and the working principles of the actuating cylinder 41, the lifting cylinder 31, the motor 42 and the driving motor belong to the prior art in the technical field; and the specific electrical connection mode between the execution cylinder 41, the lifting cylinder 31, the motor 42 and the driving motor and the controller of the automatic switching nozzle 3D printer, and the electrical connection structure and the electrical connection relationship belong to the technical field, and are not repeated.

The utility model discloses simple structure, convenient to use through utilizing shower nozzle auto-change over device 5, can realize the mutual switching between the printing shower nozzle 52, can select the printing shower nozzle 52 that needs, and will not need to print shower nozzle 52 and take into switching mechanism 51, prevent that printing shower nozzle 52 that does not use in the printing process from colliding with the piece of being printed; through utilizing displacement mechanism 4 for shower nozzle auto-change over device 5 can remove on the horizontal plane, and print platform 3 is used in the cooperation, thereby guarantees that the printer can realize three-dimensional printing work, the utility model discloses a specific working process as follows, uses embodiment 1 as an example:

starting the printer to enable the motor 42, the driving motor, the execution cylinder 41 and the lifting cylinder 31 to start working, the motor 42 drives the threaded rod 44 to start rotating through the transmission assembly 43, and the nozzle switching device 5 slides on the sliding rod 45 under the driving of the rotating threaded rod 44 as the threaded rod 44 is rotatably arranged through the switching mechanism 51 and the switching mechanism 51 is sleeved on the threaded rod 44; meanwhile, by using the expansion condition of the output end of the piston rod of the actuating cylinder 41, the sliding seat 7 connected to the output end of the piston rod of the actuating cylinder 41 slides along the sliding rail 6, and then the position of the nozzle switching device 5 is adjusted, when the driving motor rotates, the driving shaft 5112 connected to the output end of the driving motor is driven to rotate, because the driving shaft 5112 is provided with a curved groove, when one end of the connecting rod 5113 is located at the top end of the curved groove, the printing nozzle 52 connected to the connecting rod 5113 slides into the first shell 5111, and when one end of the connecting rod 5113 is located at the bottom end of the curved groove, the printing nozzle 52 slides out of the first shell 5111.

The embodiments of the present invention have been described in detail, but the present invention is only the preferred embodiments of the present invention, and the present invention is not to be considered as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides an automatic switch shower nozzle 3D printer, includes base (1), support (2), printing platform (3) and displacement mechanism (4), support (2) and printing platform (3) all connect on base (1), displacement mechanism (4) are connected on support (2), its characterized in that: the displacement mechanism (4) is sleeved with a nozzle switching device (5).

2. The automatic switching nozzle 3D printer of claim 1, wherein: the nozzle switching device (5) comprises a switching mechanism (51) and a printing nozzle (52), the switching mechanism (51) is sleeved on the displacement mechanism (4), and the printing nozzle (52) is connected to the switching mechanism (51).

3. The automatic switching nozzle 3D printer of claim 2, wherein: switching mechanism (51) sets up to including first casing (5111), drive shaft (5112) and connecting rod (5113), first casing (5111) is connected on displacement mechanism (4), connect a driving motor in first casing (5111), the input of drive shaft (5112) is connected in driving motor's output, the curved groove has been seted up on the circular arc curved surface of drive shaft (5112), the one end walking of connecting rod (5113) is in the curved groove.

4. The automatic switching nozzle 3D printer according to claim 3, characterized in that: the other end of the connecting rod (5113) is connected to the printing spray head (52), and the printing spray head (52) is arranged in the first shell (5111) in a sliding mode.

5. The automatic switching nozzle 3D printer of claim 2, wherein: the switching mechanism (51) comprises a second shell (5121), a driving gear (5122) and a rack (5123), the second shell (5121) is connected to the displacement mechanism (4), a driving motor is connected in the second shell (5121), the driving gear (5122) is connected to the output end of the first driving motor, and the rack (5123) is meshed with the driving gear (5122).

6. The automatic switching nozzle 3D printer of claim 5, wherein: the printing spray head (52) is arranged in the second shell (5121) in a sliding mode, and the printing spray head (52) is connected to the rack (5123).

7. The automatic switching nozzle 3D printer of claim 1, wherein: and the top of the bracket (2) is connected with two groups of sliding rails (6).

8. The automatic switching nozzle 3D printer of claim 7, wherein: two groups of sliding seats (7) are sleeved on the sliding rail (6) in a sliding manner.

9. The automatic switching nozzle 3D printer of claim 8, wherein: displacement mechanism (4) is including carrying out cylinder (41), motor (42), drive assembly (43), threaded rod (44) and slide bar (45), carry out cylinder (41) and connect on support (2), the output of its piston rod is connected on slide (7), motor (42) are connected on slide (7), the input of drive assembly (43) is connected in the output of motor (42), and its output is connected in the input of threaded rod (44), the both ends of threaded rod (44) are rotated respectively and are worn to locate on slide (7), and this threaded rod (44) are joined in marriage soon and are passed shower nozzle auto-change over device (5), the both ends of slide bar (45) are fixed connection respectively on two sets of slides (7), and this slide bar (45) slide and pass shower nozzle auto-change over device (5).

10. The automatic switching nozzle 3D printer of claim 1, wherein: print platform (3) are including lift cylinder (31) and workstation (32), the bottom of lift cylinder (31) is connected on the base, the bottom of workstation (32) is connected in the piston rod output of lift cylinder (31).