Convenient-to-adjust photosensitive resin material spray head device for 3D printing

Abstract

The utility model relates to the technical field of 3D printing, in particular to a 3D printing photosensitive resin material spray head device convenient to adjust, which comprises a base, two supporting blocks and movable blocks, the two supporting blocks are arranged on the side surface of the base in an aligned manner, the movable blocks are arranged on the side surfaces of the supporting blocks, and the movable blocks are connected with the supporting blocks in a sliding manner; a replacement structure is arranged at the lower end of the movable block; when the spray head body needs to be replaced according to a printing task, the fixing bolt is screwed out, then the old spray head body is pulled out, the spray head body meeting the printing task size is re-inserted into the discharging block, the mounting plate on the spray head body is inserted into the discharging block, then the fixing bolt is screwed into the discharging block, and then the spray head body is replaced. And the nozzle body is arranged on the base and penetrates through the mounting plate at the upper end of the nozzle body, so that the nozzle body is fixed, the nozzle body is replaced and adjusted according to the size required by a printing task, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, and in particular to a photosensitive resin material nozzle device for 3D printing which is easy to adjust. Background Art

[0002] 3D printing is a technology that uses 3D model files as the basis, uses powdered metal or plastic and other bondable materials to construct objects by printing layer by layer. Photosensitive resin materials are usually used for printing. Photosensitive resin refers to liquid photocurable resin used for photocuring rapid prototyping. It is widely used in the emerging 3D printing industry. Therefore, it is necessary to set up a photosensitive resin material nozzle device for 3D printing that is easy to adjust to use the photosensitive resin. However, the existing device still has certain use defects when used, such as:

[0003] Patent No. "CN202122214352.5" discloses a 3D printer photosensitive resin material nozzle anti-blocking device. When in use, the device controls the shading plate to block the entrance through an electric telescopic rod, further preventing sunlight from shining on the photosensitive resin and preventing the photosensitive resin from solidifying and clogging the printing nozzle. However, during the use of the nozzle, there is a lack of a structure for replacing the nozzle, which makes it impossible to replace the nozzle size, so that the device can only print a single size printing task, which reduces the practicality of the device. Utility Model Content

[0004] The purpose of the present utility model is to solve the above-mentioned problem and to propose an easily adjustable photosensitive resin material nozzle device for 3D printing, thereby improving the problem of low practicality of the existing easily adjustable photosensitive resin material nozzle device for 3D printing.

[0005] A photosensitive resin material nozzle device for 3D printing that is easy to adjust, comprising a base, a support block and a movable block: two support blocks are aligned and arranged on the side of the base, a movable block is arranged on the side of the support block, the movable block is slidably connected to the support block, and a replacement structure is arranged at the lower end of the movable block;

[0006] The replacement structure comprises a discharge block, a nozzle body and fixing bolts. The lower end of the movable block is provided with a discharge block, the lower end of the discharge block is provided with a nozzle body, and the side of the discharge block is provided with fixing bolts.

[0007] Preferably, the fixing bolt is threadedly connected to the discharge block, a mounting plate is provided at the upper end of the nozzle body, the fixing bolt passes through the mounting plate, and the discharge block is slidably connected to the movable block.

[0008] Preferably, a driving motor is disposed inside the base, a first threaded rod is disposed on the side of the driving motor, a printing bed is disposed at the upper end of the base, the printing bed is threadedly connected to the first threaded rod, and the printing bed is slidably connected to the base.

[0009] Preferably, a support plate is provided at the upper end of the support block, a sliding block is provided on the side of the movable block, the sliding block is slidably connected to the support block, and a protective shell is provided at the upper end of the support plate.

[0010] Preferably, a first motor is disposed at the upper end of the sliding block, a screw rod is disposed at the top end of the first motor, and a connecting block is disposed on the surface of the screw rod.

[0011] Preferably, the connecting block is threadedly connected to the screw rod, the connecting block is slidably connected to the movable block, and the lower end of the connecting block is connected to the upper end of the discharging block.

[0012] Preferably, a second motor is provided at the upper end of the support plate, a rotating shaft is provided at the top end of the second motor, a first bevel gear is provided on the surface of the rotating shaft, a second bevel gear is meshed with the lower end of the first bevel gear, a second threaded rod is provided at the lower end of the second bevel gear, the second threaded rod passes through the protective shell and the support block, and the movable block is threadedly connected to the second threaded rod.

[0013] Preferably, an extension plate is provided on the side of the support plate, a shading block is provided at the upper end of the extension plate, a fixing screw is provided at the upper end of the shading block, a discharge valve is provided at the lower end of the extension plate, and a photosensitive resin storage bin is provided at the upper end of the extension plate.

[0014] The beneficial effects of the utility model are:

[0015] 1. Through the arrangement of the nozzle body, the discharge block and the fixing bolts, when the device is in use, when the nozzle body is replaced according to the printing task, the fixing bolts are screwed out, and then the old nozzle body is pulled out, and the nozzle body that meets the size of the printing task is reinserted into the discharge block, and the mounting plate on the nozzle body is inserted into the discharge block, and then the fixing bolts are screwed into the discharge block and penetrate the mounting plate at the upper end of the nozzle body to fix the nozzle body, so that the nozzle body can be replaced and adjusted according to the size required by the printing task, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall front-view stereoscopic structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall rear-view stereoscopic structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the installation of the first bevel gear and the second bevel gear of the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the light shielding block and the fixing screws installed in the utility model;

[0020] Figure 5 This is a schematic diagram of the three-dimensional structure of the nozzle body and the discharge block of the utility model;

[0021] Figure 6 It is a schematic diagram of the three-dimensional structure of the drive motor and the first threaded rod installed in the utility model.

[0022] In the figure: 1. base; 2. support block; 3. support plate; 4. drive motor; 5. first threaded rod; 6. print bed; 7. sliding block; 8. first motor; 9. screw rod; 10. connecting block; 11. second motor; 12. protective shell; 13. first bevel gear; 14. second bevel gear; 15. second threaded rod; 16. movable block; 17. discharge block; 18. nozzle body; 19. shading block; 20. fixing screw; 21. photosensitive resin storage bin; 22. discharge valve; 23. fixing bolt; 24. rotating shaft; 25. extension plate; 26. replacement structure. DETAILED DESCRIPTION

[0023] 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.

[0024] When implementing: Figure 1-6 As shown, a photosensitive resin material nozzle device for 3D printing that is easy to adjust includes a base 1, a support block 2 and a movable block 16: two support blocks 2 are aligned and arranged on the side of the base 1, and a movable block 16 is arranged on the side of the support block 2. The movable block 16 is slidably connected to the support block 2, and a replacement structure 26 is arranged at the lower end of the movable block 16;

[0025] The replacement structure 26 includes a discharge block 17, a nozzle body 18 and a fixing bolt 23. The discharge block 17 is disposed at the lower end of the movable block 16, the nozzle body 18 is disposed at the lower end of the discharge block 17, and the fixing bolt 23 is disposed on the side of the discharge block 17;

[0026] When the device is in use and the printing task requires a nozzle body 18 of a different size, the fixing bolt 23 is unscrewed, the old nozzle body 18 is pulled out of the discharge block 17, and then a new nozzle body 18 that meets the size of the printing task is inserted into the discharge block 17, and then the fixing bolt 23 is screwed into the discharge block 17 and passes through the mounting plate above the nozzle body 18 to fix the new nozzle body 18. The nozzle bodies 18 of different sizes can be replaced and adjusted according to the printing task, thereby improving the practicality of the device.

[0027] The fixing bolt 23 is threadedly connected to the discharge block 17, a mounting plate is provided at the upper end of the nozzle body 18, the fixing bolt 23 penetrates the mounting plate, and the discharge block 17 is slidably connected to the movable block 16;

[0028] A driving motor 4 is disposed inside the base 1, a first threaded rod 5 is disposed on the side of the driving motor 4, a printing bed 6 is disposed at the upper end of the base 1, the printing bed 6 is threadedly connected to the first threaded rod 5, and the printing bed 6 is slidably connected to the base 1;

[0029] When the device is in use, during the printing process, when front and back printing is required, the drive motor 4 is turned on, and the drive motor 4 drives the first threaded rod 5 to rotate, so that the print bed 6 moves back and forth on the surface of the first threaded rod 5, so that the print bed 6 moves back and forth, which is convenient for the nozzle body 18 to spray the front and back positions.

[0030] A support plate 3 is disposed at the upper end of the support block 2, a sliding block 7 is disposed on the side of the movable block 16, the sliding block 7 is slidably connected to the support block 2, and a protective shell 12 is disposed at the upper end of the support plate 3;

[0031] A first motor 8 is disposed at the upper end of the sliding block 7, a screw rod 9 is disposed at the top end of the first motor 8, and a connecting block 10 is disposed on the surface of the screw rod 9;

[0032] When the device is in use, during the printing process, when the nozzle body 18 is required to print horizontally left and right, the first motor 8 is turned on at this time, so that the first motor 8 drives the screw 9 to rotate, so that the connecting block 10 moves horizontally left and right on the surface of the screw 9, and drives the discharge block 17 and the nozzle body 18 to move horizontally left and right through the connecting block 10, so as to facilitate the nozzle body 18 to spray the left and right horizontal positions.

[0033] The connecting block 10 is threadedly connected to the screw rod 9, the connecting block 10 is slidably connected to the movable block 16, and the lower end of the connecting block 10 is connected to the upper end of the discharging block 17;

[0034] A second motor 11 is disposed at the upper end of the support plate 3, a rotating shaft 24 is disposed at the top end of the second motor 11, a first bevel gear 13 is disposed on the surface of the rotating shaft 24, a second bevel gear 14 is meshedly disposed at the lower end of the first bevel gear 13, a second threaded rod 15 is disposed at the lower end of the second bevel gear 14, the second threaded rod 15 penetrates the protective shell 12 and the support block 2, and the movable block 16 is threadedly connected to the second threaded rod 15;

[0035] When the device is in use, during the printing process, when the height of the nozzle body 18 needs to be adjusted, the second motor 11 is turned on, so that the second motor 11 drives the rotating shaft 24 to rotate, and the first bevel gear 13 is driven to rotate by the rotating shaft 24, and the second bevel gear 14 is driven to rotate by the first bevel gear 13, so that the second bevel gear 14 drives the second threaded rod 15 to rotate, so that the movable block 16 moves up and down on the surface of the second threaded rod 15, so that the movable block 16 drives the nozzle body 18 to move vertically up and down, so as to facilitate the up and down adjustment of the nozzle body 18.

[0036] An extension plate 25 is provided on the side of the support plate 3, a light shielding block 19 is provided on the upper end of the extension plate 25, a fixing screw 20 is provided on the upper end of the light shielding block 19, a discharge valve 22 is provided on the lower end of the extension plate 25, and a photosensitive resin storage bin 21 is provided on the upper end of the extension plate 25;

[0037] When the device is in use and the nozzle body 18 needs to be sprayed, the material inside the photosensitive resin storage bin 21 is transported into the connecting block 10 through the light-proof hose by controlling the opening and closing of the discharge valve 22, and then transported into the inside of the discharge block 17 through the connecting block 10, and then enters the nozzle body 18, and is sprayed out by the nozzle body 18 to spray the material. When replenishment is needed, the fixing screw 20 is unscrewed, the shading block 19 is picked up, and then the photosensitive resin storage bin 21 is replenished through the feed port at the upper end of the photosensitive resin storage bin 21, and then the shading block 19 is re-covered above the photosensitive resin storage bin 21, and the fixing screw 20 is screwed in to fix the shading block 19. When the photosensitive resin material is exposed to ultraviolet light, a polymerization reaction will occur, and a solid-state conversion will occur, so as to prevent sunlight from irradiating the photosensitive resin material and causing the material to solidify.

[0038] When the utility model is in use, the photosensitive resin storage bin 21 is replenished with material, and then the shading block 19 is covered on the surface of the photosensitive resin storage bin 21, and then the fixing screw 20 is screwed into the inside of the extension plate 25 to fix the photosensitive resin storage bin 21, and then an external power supply is used to turn on all motors and the discharge valve 22 to start printing according to the 3D model. At this time, when a new printing task requires a nozzle body 18 of a different size, the fixing bolt 23 is unscrewed to reinsert the nozzle body 18 that meets the size of the printing task into the inside of the discharge block 17, and then the fixing bolt 23 is screwed into the inside of the discharge block 17 to fix the nozzle body 18, so as to achieve the purpose of replacing and adjusting the nozzle body 18 to different sizes, so that the nozzle body 18 can adapt to a variety of printing tasks, and the motors in the device all have a self-locking function and are powered by an external power supply of the device.

[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A photosensitive resin material nozzle device for 3D printing that is easy to adjust, characterized in that: The invention comprises a base (1), a support block (2) and a movable block (16): two support blocks (2) are arranged on the side of the base (1) in an aligned manner, a movable block (16) is arranged on the side of the support block (2), the movable block (16) is slidably connected to the support block (2), and a replacement structure (26) is arranged at the lower end of the movable block (16); The replacement structure (26) comprises a discharge block (17), a nozzle body (18) and a fixing bolt (23); the discharge block (17) is arranged at the lower end of the movable block (16); the nozzle body (18) is arranged at the lower end of the discharge block (17); and the fixing bolt (23) is arranged on the side of the discharge block (17).

2. The easily adjustable photosensitive resin material nozzle device for 3D printing according to claim 1, characterized in that: The fixing bolt (23) is threadedly connected to the discharge block (17); a mounting plate is provided at the upper end of the nozzle body (18); the fixing bolt (23) penetrates the mounting plate; and the discharge block (17) is slidably connected to the movable block (16).

3. The easily adjustable photosensitive resin material nozzle device for 3D printing according to claim 1, characterized in that: A driving motor (4) is arranged inside the base (1), a first threaded rod (5) is arranged on the side of the driving motor (4), a printing bed (6) is arranged at the upper end of the base (1), the printing bed (6) is threadedly connected to the first threaded rod (5), and the printing bed (6) is slidably connected to the base (1).

4. The easily adjustable photosensitive resin material nozzle device for 3D printing according to claim 1, characterized in that: A support plate (3) is arranged at the upper end of the support block (2), a sliding block (7) is arranged on the side of the movable block (16), the sliding block (7) is slidably connected to the support block (2), and a protective shell (12) is arranged at the upper end of the support plate (3).

5. The easily adjustable photosensitive resin material nozzle device for 3D printing according to claim 4, characterized in that: A first motor (8) is arranged at the upper end of the sliding block (7), a screw rod (9) is arranged at the top end of the first motor (8), and a connecting block (10) is arranged on the surface of the screw rod (9).

6. The easily adjustable photosensitive resin material nozzle device for 3D printing according to claim 5, characterized in that: The connecting block (10) is threadedly connected to the screw rod (9), the connecting block (10) is slidably connected to the movable block (16), and the lower end of the connecting block (10) is connected to the upper end of the discharging block (17).

7. The easily adjustable photosensitive resin material nozzle device for 3D printing according to claim 4, characterized in that: A second motor (11) is arranged at the upper end of the support plate (3), a rotating shaft (24) is arranged at the top end of the second motor (11), a first bevel gear (13) is arranged on the surface of the rotating shaft (24), a second bevel gear (14) is meshedly arranged at the lower end of the first bevel gear (13), a second threaded rod (15) is arranged at the lower end of the second bevel gear (14), the second threaded rod (15) passes through the protective shell (12) and the support block (2), and the movable block (16) is threadedly connected to the second threaded rod (15).

8. The easily adjustable photosensitive resin material nozzle device for 3D printing according to claim 4, characterized in that: An extension plate (25) is provided on the side of the support plate (3), a shading block (19) is provided at the upper end of the extension plate (25), a fixing screw (20) is provided at the upper end of the shading block (19), a discharge valve (22) is provided at the lower end of the extension plate (25), and a photosensitive resin storage bin (21) is provided at the upper end of the extension plate (25).

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