3D printer convenient to lift and adjust height

Abstract

The utility model relates to the technical field of 3D printers, in particular to a 3D printer convenient to lift and adjust height, which comprises a shell, a printing part is arranged at the top end of the outer wall of the shell, and a printing platform is arranged at the bottom end part in the shell. A lifting part for driving the printing platform to move up and down is arranged on the inner wall of the shell and located on the outer side of the printing platform, the arranged lifting motor can drive the two threaded rods to rotate in the same direction at the same time through the two sets of belt wheel mechanisms, and therefore the printing platform can move up and down under the action of the lifting sliding block; in this way, the device can adjust the position of the printing platform according to the size of a printed piece, the completeness of model printing by the printing head is guaranteed, and the printing effect of a model is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printer technical field, concretely relates to a 3D printer convenient to lift and adjust height. BACKGROUND

[0002] 3D printer is a kind of equipment to manufacture three-dimensional object by layering material, also be called additive manufacturing equipment. They are widely used in manufacturing, engineering, medical, art, architecture and other fields, and the current 3D printer, because it uses the material that can be bonded, is printed on the printing platform by spray head, after printing is completed, the workpiece is taken from the printing platform by shovel or other tools artificially, it is time-consuming and laborious, and different users' operating levels can cause damage to the workpiece printed, based on this, China patent publication No. CN208881186U discloses a kind of 3D printer, the patent technology is provided with lifting platform with array of ejector pin on upper surface at the lower end of printing platform, printing platform is through and is provided with the ejection hole for ejector pin to pass through.When workpiece is printed and formed on printing platform, lifting platform is lifted by connecting rod mechanism, so that ejector pin is lifted by passing through ejection hole, ejector pin lifts workpiece bonded on printing platform, so that workpiece is separated from printing platform, to realize the function of separating workpiece from printing platform;Ejector pin and ejection hole are arrayed, different sizes of components can be separated from printing platform, improve the adaptability of the 3D printer when separating components;

[0003] But through the above patent technology disclosure and specification drawings, the printing platform provided by the above patent technology is installed at the bottom of the device, the height thereof cannot be adjusted according to the needs of personnel, which leads to the device being limited when printing larger or higher objects, and further affects the printing effect, so there is certain deficiency.

[0004] In summary, it is necessary to invent a 3D printer convenient to lift and adjust height. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a kind of 3D printer convenient to lift and adjust height to solve the problem that the printing platform provided by it is installed at the bottom of the device, the height thereof cannot be adjusted according to the needs of personnel, which leads to the device being limited when printing larger or higher objects, and further affects the printing effect.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a kind of 3D printer convenient to lift and adjust height, including shell, the outer wall top of the shell is provided with printing component, the inside bottom of the shell is provided with printing platform, the inner wall of the shell and located the outside of printing platform is provided with lifting component that drives printing platform to move up and down.

[0007] Preferably, the printing component comprises a print head, the outer wall top end of the print head is fixed with an electric control telescopic rod for fine adjustment of the height thereof, and an outer shell is arranged above the outer wall top end of the electric control telescopic rod.

[0008] Preferably, first ball screws are rotatably connected to the two sides of the inner wall of the outer shell, a first power motor is arranged on one side of the outer wall of the outer shell to drive the first ball screws to rotate, a first threaded sliding block is fixed to the outer wall top end of the electric control telescopic rod, and the two sides of the outer wall of the first threaded sliding block are threadedly connected with the outer walls of the first ball screws through threaded through holes.

[0009] Preferably, auxiliary sliding rails are fixed to the two sides of the outer wall top end of the outer shell, the top ends of the auxiliary sliding rails are slidably connected with the two sides of the inner wall top end of the shell, a second threaded sliding block is fixed to the outer wall top end center of the shell, and second ball screws are threadedly connected with the front and rear ends of the outer wall of the second threaded sliding block.

[0010] Preferably, the two ends of the second ball screws are fixedly connected with the inner wall top end of the shell through bearing seats, and a second power motor is fixed to one side of the outer wall of any bearing seat to drive the second ball screws to rotate.

[0011] Preferably, the lifting component comprises a power seat, the power seat is fixed to the outer wall bottom end of the shell and located below the printing platform, sliding grooves are arranged in the inner wall of the shell at the front and rear sides and the two side centers, threaded rods are rotatably connected with the upper and lower ends of the inner walls of the two sliding grooves in opposite positions, and guide sliding rods are fixed to the upper and lower ends of the inner walls of the other two sliding grooves.

[0012] Preferably, lifting sliding blocks are fixed to the outer wall side ends of the printing platform and corresponding positions of the threaded rods and the guide sliding rods, the lifting sliding blocks corresponding to the threaded rods are threadedly connected with the outer walls of the threaded rods through threaded holes, and the lifting sliding blocks corresponding to the guide sliding rods are slidably connected with the outer walls of the guide sliding rods through through holes.

[0013] Preferably, a lifting motor is fixed to the inner wall bottom end of the power seat, the top output shaft of the lifting motor is rotatably connected with the inner wall top end of the power seat, and the output shafts of the lifting motor are connected with the outer wall bottom ends of the two threaded rods through two groups of belt wheel mechanisms.

[0014] Preferably, curved limiting plates are fixed to the two sides of the outer wall top end of the printing platform, a placement plate is slidably connected with the inner side of the curved limiting plates at the outer wall top end of the printing platform, a limiting strip is fixed to the inner wall top end of the curved limiting plate, and the top end of the placement plate is slidably connected with the limiting strip through a guide sliding groove.

[0015] The printing device has the advantages that:

[0016] The lifting motor is arranged, can drive two screw rods to rotate in the same direction through two groups of pulley mechanisms, so that the printing platform can move up and down under the action of the lifting sliding block, and the position of the printing platform can be adjusted according to the size of the printing part, the completeness of model printing by the printing head is ensured, and the printing effect of the model is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sectional view structure schematic view of the front direction of the shell of the utility model;

[0018] Figure 2 It is a sectional view structure schematic view of the front direction of the shell of the utility model;

[0019] Figure 3 It is a sectional view structure schematic view of the front direction of the shell of the utility model; Figure 1

[0020] Figure 4 It is a sectional view structure schematic view of the front direction of the shell of the utility model;

[0021] Figure 5 It is a sectional view structure schematic view of the front direction of the shell of the utility model;

[0022] In the drawing: 100, shell; 110, sliding groove; 200, power seat; 210, lifting motor; 220, pulley mechanism; 230, screw rod; 240, guide sliding rod; 300, printing platform; 310, lifting sliding block; 320, curved limiting plate; 321, limiting strip; 330, storage plate; 400, shell; 410, first power motor; 420, first ball screw; 421, auxiliary sliding guide rail; 430, first threaded sliding block; 431, electric control telescopic rod; 432, printing head; 500, second threaded sliding block; 510, second ball screw; 520, second power motor. DETAILED DESCRIPTION

[0023] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used for describing and explaining the utility model, and are not used for limiting the utility model.

[0024] Referring to the drawings Figures 1-5 ​The utility model provides a kind of 3D printer of height of convenient lifting adjustment, including shell 100, the outer wall top of shell 100 is provided with printing component, printing component includes print head 432, the outer wall top of print head 432 is fixed with the electric control telescopic link 431 of its height fine adjustment, the outer wall top of electric control telescopic link 431 is provided with shell 400, the inner wall both sides of shell 400 are rotatably connected with first ball screw 420, the outer wall one side of shell 400 is provided with the first power motor 410 of driving first ball screw 420 to rotate, the outer wall top of electric control telescopic link 431 is fixed with first threaded slide 430, the outer wall both sides of first threaded slide 430 are connected with the outer wall of first ball screw 420 by opening threaded through-hole, the first power motor 410 of being set can drive first ball screw 420 to rotate after being electrified, and first ball screw 420 can drive first threaded slide 430 to move left and right when rotating, to be able to adjust the position of print head 432 before and after;

[0025] The outer wall top both sides of shell 400 are fixed with auxiliary sliding guide rail 421, the top of auxiliary sliding guide rail 421 is slidably connected with the inner wall top both sides of shell 100, the inner wall bottom of shell 100 is provided with sliding groove at the position corresponding with auxiliary sliding guide rail 421, and the outer wall of auxiliary sliding guide rail 421 is slidably connected with the inner wall of sliding groove, the outer wall top center of shell 100 is fixed with second threaded slide 500, the outer wall front and rear end of second threaded slide 500 is threadedly connected with second ball screw 510, the both ends of second ball screw 510 are fixedly connected with the inner wall top of shell 100 by bearing seat, the bearing seat is arranged to support the both ends of second ball screw 510, the outer wall one side of any bearing seat is fixed with the second power motor 520 of driving second ball screw 510 to rotate, and the second power motor 520 can drive second ball screw 510 to rotate in opposite directions after being electrified, and second ball screw 510 can drive shell 400 to move forward and backward by second threaded slide 500 when rotating, to be able to adjust the position of limit strip 321 before and after, specifically, personnel also do not necessarily have to adopt screw transmission to drive limit strip 321 to move, can also adopt the mode of linear guide rail and slider to drive, the utility model only proposes a solution here;

[0026] The inner bottom end of the shell 100 is provided with a printing platform 300, the inner wall of the shell 100 and located outside the printing platform 300 is provided with a lifting component for driving the printing platform 300 to move up and down, the lifting component includes a power seat 200, the power seat 200 is fixed on the outer wall of the bottom end of the shell 100 and located below the printing platform 300, the inner wall of the shell 100 is provided with a sliding groove 110 at the center position of the front and rear sides and both sides, the inner wall of the two sliding grooves 110 at the opposite positions is rotatably connected with a threaded rod 230 at the upper and lower ends, the inner wall of the other two sliding grooves 110 is fixed with a guide sliding rod 240 at the upper and lower ends, the outer wall side end of the printing platform 300 and corresponding to the threaded rod 230 and the guide sliding rod 240 is fixed with a lifting sliding block 310, the lifting sliding block 310 corresponding to the threaded rod 230 is threadedly connected with the outer wall of the threaded rod 230 through the threaded hole, the lifting sliding block 310 corresponding to the guide sliding rod 240 is slidingly connected with the outer wall of the guide sliding rod 240 through the through hole, the threaded rod 230 can drive the printing platform 300 to move up and down, and the guide sliding rod 240 can ensure that the printing platform 300 slides stably, the inner wall bottom end of the power seat 200 is fixed with a lifting motor 210, the top output shaft of the lifting motor 210 is rotatably connected with the inner wall top end of the power seat 200, the output shaft of the lifting motor 210 is connected with the outer wall bottom end of the two threaded rods 230 through two groups of belt wheel mechanisms 220, and one group of belt wheel mechanisms 220 includes two belt pulleys and a transmission belt, the two belt pulleys are respectively installed on the output shaft of the lifting motor 210 and the outer wall of the threaded rod 230, and the two belt pulleys are connected through the transmission belt, so that when the lifting motor 210 drives the output shaft to rotate, the two threaded rods 230 can be simultaneously driven to rotate through the two groups of belt wheel mechanisms 220, thereby ensuring the stability of the lifting of the printing platform 300, and the lifting motor 210 needs to be selected as a high-power motor to avoid the situation that the printing platform 300 slips when being driven, and the belt pulley and the transmission belt need to be selected as the tooth synchronous belt and the tooth synchronous pulley to ensure the stability of the driving of the threaded rod 230 by the lifting motor 210, the outer wall top end of the printing platform 300 is fixed with a curved limiting plate 320 on both sides, the outer wall top end of the printing platform 300 and the inner side of the curved limiting plate 320 are slidingly connected with a placing plate 330, the inner wall top end of the curved limiting plate 320 is fixed with a limiting strip 321, the top end of the placing plate 330 is slidingly connected with the limiting strip 321 through the guide sliding groove, the curved limiting plate 320 can press the position of the placing plate 330 through the limiting strip 321, the top end of the placing plate 330 can be coated with a release agent in advance, the printing head 432 can print materials on the placing plate 330, and after printing, the placing plate 330 can be directly pulled out to take out the printed part from the device and separately process the release of the printed part, thereby facilitating the personnel to take out the printed part.

[0027] The use process of the utility model is as follows: firstly, personnel can take out the storage plate 330 first, and insert the storage plate 330 to the inside of the curved limiting plate 320, then coat the release agent on the top end of the storage plate 330, then start the device, and the PLC controller built-in the device will according to the model requirement that personnel need to print, then will start the lifting motor 210 first and then drive two screw rods 230 to rotate simultaneously through the pulley mechanism 220, so that the printing platform 300 moves upwards to the bottom end of the print head 432, then the print head 432 will move in the front and back and left and right direction on the top end of the inner wall of the shell 100 under the action of the rotating first ball screw 420 and second ball screw 510, then move up and down through the electric control telescopic rod 431, so that the electric control telescopic rod 431 can print the model in three dimensions according to the demand of personnel, and in the process of printing, the lifting motor 210 can drive the screw rod 230 to rotate reversely, so that the printing platform 300 moves downwards gradually, guarantee the integrity of model printing, after printing is completed, personnel can control each work piece to reset, then personnel can push the storage plate 330 out from the inner wall of the curved limiting plate 320 or pull out through the tool, can take out the storage plate 330 together with the model from the shell 100, then personnel can separate the model alone, avoid the influence of the shell 100 narrow on the separation.

[0028] The above is only the preferred embodiment of the utility model, any skilled person in the art can modify the utility model by using the technical solutions described above or modify it into equivalent technical solutions. Therefore, any simple modification or equivalent replacement according to the technical solutions of the utility model is within the scope of protection required by the utility model.

Claims

1. A 3D printer facilitating height adjustment by lifting, comprising a shell (100), a printing component is arranged at the top end of the outer wall of the shell (100), characterized in that: The inner bottom end of the shell (100) is provided with a printing platform (300), and the inner wall of the shell (100) and located outside the printing platform (300) is provided with a lifting component for driving the printing platform (300) to move up and down.

2. The 3D printer of claim 1, wherein: The printing component comprises a print head (432), and the outer wall top end of the print head (432) is fixed with an electric control telescopic rod (431) for fine adjustment of the height of the print head (432); and the outer wall top end of the electric control telescopic rod (431) is provided with an outer shell (400).

3. The 3D printer of claim 2, wherein: The inner wall of the outer shell (400) is rotatably connected with first ball screws (420) on both sides, and the outer wall of the outer shell (400) is provided with a first power motor (410) for driving the first ball screws (420) to rotate on one side; the outer wall top end of the electric control telescopic rod (431) is fixed with a first threaded sliding block (430), and the outer wall of the first threaded sliding block (430) is threadedly connected with the outer wall of the first ball screws (420) through threaded through holes.

4. The 3D printer of claim 3, wherein: The outer wall top end of the outer shell (400) is fixed with auxiliary sliding guide rails (421) on both sides, the top ends of the auxiliary sliding guide rails (421) are slidably connected with the inner wall top end of the shell (100) on both sides, and the outer wall top end of the shell (100) is fixed with a second threaded sliding block (500) at the center; and the outer wall of the second threaded sliding block (500) is threadedly connected with second ball screws (510) at the front and rear ends.

5. The 3D printer of claim 4, wherein: The two ends of the second ball screws (510) are fixedly connected with the inner wall top end of the shell (100) through bearing seats, and the outer wall of any bearing seat is fixed with a second power motor (520) for driving the second ball screws (510) to rotate on one side.

6. The 3D printer of claim 1, wherein: The lifting component comprises a power seat (200), which is fixed to the outer wall bottom end of the shell (100) and located below the printing platform (300); the inner wall of the shell (100) is provided with sliding grooves (110) at the front and rear sides and the center positions on both sides, and the inner walls of the two sliding grooves (110) in opposite positions are rotatably connected with threaded rods (230) at the upper and lower ends; and the inner walls of the other two sliding grooves (110) are fixedly connected with guide sliding rods (240) at the upper and lower ends.

7. The 3D printer of claim 6, wherein: The outer wall side end of the printing platform (300) is fixed with lifting sliding blocks (310) at positions corresponding to the threaded rods (230) and the guide sliding rods (240); the lifting sliding block (310) corresponding to the threaded rod (230) is threadedly connected with the outer wall of the threaded rod (230) through a threaded hole; and the lifting sliding block (310) corresponding to the guide sliding rod (240) is slidably connected with the outer wall of the guide sliding rod (240) through a through hole.

8. The 3D printer of claim 7, wherein: The inner wall bottom end of the power seat (200) is fixed with a lifting motor (210), the top output shaft of the lifting motor (210) is rotatably connected with the inner wall top end of the power seat (200), and the output shaft of the lifting motor (210) is connected with the outer wall bottom end of the two threaded rods (230) through two groups of belt wheel mechanisms (220).

9. The 3D printer of claim 1, wherein: Both sides of the outer wall top of the printing platform (300) are fixed with curved limiting plates (320), the outer wall top of the printing platform (300) and the inner side of the curved limiting plate (320) are slidably connected with a storage plate (330), the inner wall top of the curved limiting plate (320) is fixed with a limiting strip (321), and the top of the storage plate (330) is slidably connected with the limiting strip (321) through the opening of a guide sliding groove.

Images