CN219926944U - Auxiliary device for 3D printer - Google Patents

Abstract

The utility model discloses an auxiliary device for a 3D printer, which comprises a machine body and a printing platform arranged on the machine body, wherein a fixing unit is arranged on one side of the printing platform, and a pressing unit is arranged on the printing platform; the pressing unit comprises pressing rollers, the pressing rollers are arranged at the upper end of the printing platform in parallel and are arranged in parallel with the fixing units, connecting plates which are symmetrically arranged at two ends of the pressing rollers are arranged on the printing platform in a sliding mode, elastic pressing pieces are arranged on the connecting plates, the pressing units are arranged on the printing platform and the pressing rollers in the pressing units are arranged in a sliding mode, the pressing units can press the release film, air between the release film and the printing platform is extruded, the release film can be better attached to the printing platform, the fixing units are matched to form fixing at two ends of the release film, the release film is moved due to the fact that vibration and the like are caused during printing, and quality of a printing finished product is affected.

Description

Auxiliary device for 3D printer

Technical Field

The utility model relates to the technical field of 3D printers, in particular to an auxiliary device for a 3D printer.

Background

When the 3D printer prints, a layer of printing release film can be laid and placed on the printing platform, and then printing operation is carried out, so that after printing is finished, a finished product can be easily and rapidly separated from the printing platform, but when the printer prints, the printing platform can vibrate due to the fact that the printing head is always in a moving state, and the like, so that the release film can move in the printing process, and meanwhile, after the release film is placed on the platform, bubbles are easily formed, the printing platform can be caused to have uneven surface after the release film is placed, and therefore quality and precision of a finished product after printing are affected.

The foregoing is provided merely to facilitate an understanding of the principles of the utility model and is not intended to constitute an admission that the foregoing is of the closest prior art.

Disclosure of Invention

The utility model aims to provide an auxiliary device for a 3D printer, which solves the problems that when the printer is used for printing, as a printing head is always in a moving state, a printing platform can vibrate and the like, a release film can move in the printing process, and meanwhile, after the release film is placed on the platform, bubbles are easy to form, so that the surface of the printing platform is uneven after the release film is placed, and the quality and the precision of a finished product after printing are affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an auxiliary device for a 3D printer comprises a machine body and a printing platform arranged on the machine body, wherein a fixing unit is arranged on one side of the printing platform, and a pressing unit is arranged on the printing platform;

the pressing unit comprises pressing rollers, the pressing rollers are arranged at the upper end of the printing platform in parallel and are arranged in parallel in the fixing unit, connecting plates which are symmetrically arranged at two ends of the pressing rollers are arranged on the printing platform in a sliding mode, elastic pressing pieces which are used for providing pressing power for the pressing rollers are arranged on the connecting plates, and positioning fixing pieces are arranged on the connecting plates.

Preferably, the fixing unit comprises a fixing plate arranged on one side of the printing platform, one end, far away from the printing platform, of the fixing plate is provided with a bearing plate, the lower end of the bearing plate is connected with the printing platform, and an elastic piece is arranged between the bearing plate and the fixing plate.

Preferably, the elastic pressing piece comprises a shaft plate sleeved on roller shafts at two ends of the pressing roller, one end, far away from the pressing roller, of the shaft plate is arranged on the connecting plate in a sliding mode, and a spring telescopic rod is arranged between the shaft plate and the connecting plate.

Preferably, the positioning fixing piece comprises a positioning rod which is arranged on the side edge of the connecting plate in a sliding manner, the outer end of the positioning rod is limited, a fixing block is arranged at the inner end of the positioning rod, a positioning fixing groove which is matched with the fixing block for positioning and fixing is formed in one end, away from the fixing unit, of the printing platform, and a first spring is sleeved on the positioning rod and is positioned between the connecting plate and the fixing block.

Preferably, the elastic piece comprises a connecting rod, one end of the connecting rod is fixed on the fixed plate, the other end of the connecting rod penetrates through the bearing plate to be limited, and a second spring is sleeved on the connecting rod between the fixed plate and the bearing plate.

Preferably, a transverse plate is arranged between the two symmetrically arranged shaft plates and used for connecting the two shaft plates, and meanwhile, the transverse plate can be lifted upwards to drive the pressing roller to move upwards so as to release the fixation of the other end of the release film.

Preferably, the fixing plate is provided with a pull rod, and the pull rod penetrates through the bearing plate to be provided with a pull ring.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the pressing unit is arranged on the printing platform, and the pressing roller in the pressing unit is arranged in a sliding pressing manner, so that the release film can be extruded, and air between the release film and the printing platform is extruded, so that the release film can be better attached to the printing platform, and is fixed at the two ends of the release film by being matched with the fixing unit, and the release film is prevented from moving due to vibration and other reasons during printing, so that the quality of a printed finished product is influenced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present embodiment;

FIG. 2 is a schematic diagram showing the connection of the printing platform, the fixing unit and the pressing unit according to the present embodiment;

fig. 3 is an enlarged view at a in fig. 2.

Reference numerals: 1-a machine body; 2-a printing platform; 3-a fixing unit; 31-a fixing plate; 32-a receiving plate; 33-an elastic member; 331-connecting rod; 332-a second spring; 333-tie rod; 4-a pressing unit; 41-pressing roller; 42-connecting plates; 43-elastic pressing piece; 431-axle plate; 432-spring telescoping rod; 433-a cross plate; 44-positioning fixtures; 441—a positioning rod; 442-fixed block; 443-positioning a fixed slot; 444-first spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: an auxiliary device for a 3D printer comprises a machine body 1 and a printing platform 2 arranged on the machine body 1, wherein a fixing unit 3 used for fixing one end of a release film is arranged on one side of the printing platform 2, and a pressing unit 4 is arranged on the printing platform 2;

the pressing unit 4 includes a pressing roller 41, the pressing roller 41 is disposed at the upper end of the printing platform 2 in parallel and is disposed in parallel with the fixing unit 3, two ends of the pressing roller 41 are slidably disposed on the printing platform 2 through a symmetrically disposed connecting plate 42, an elastic pressing member 43 for providing pressing force for the pressing roller 41 is disposed on the connecting plate 42, a positioning fixing member 44 is disposed on the connecting plate 42, the fixing unit 3 is fixed at one end of the release film, the pressing roller 41 is made to press the release film disposed on the printing platform 2 under the action of the elastic pressing member 43, and is fixed through the positioning fixing member 44 when the pressing roller slides to the other end of the printing platform 2, and is fixed at the other end of the release film, meanwhile, the release film is extruded in the process of sliding to the other end, so that the release film is extruded with air between the release film and the printing platform 2, the release film can be better attached to the printing platform 2, and is fixed at two ends of the release film, and vibration and other reasons are prevented from causing movement of the release film when printing are prevented, so as to affect the quality of a printing product.

Wherein, fixed unit 3 is including setting up in the fixed plate 31 of printing platform 2 one side, fixed plate 31 is kept away from printing platform 2 one end and is provided with accepts board 32, accept board 32 and be L type setting, accept board 32 lower extreme and printing platform 2 and be connected, accept and be provided with elastic component 33 between board 32 and the fixed plate 31, through the elastic power that elastic component 33 provided, can make fixed plate 31 support on printing platform 2 side, realize the fixed to release film one end.

In addition, the elastic pressing piece 43 comprises a shaft plate 431 sleeved on roller shafts at two ends of the pressing roller 41, one end of the shaft plate 431 away from the pressing roller 41 is slidably arranged on the connecting plate 42, a spring telescopic rod 432 is arranged between the shaft plate 431 and the connecting plate 42, a transverse plate 433 is arranged between the two symmetrically arranged shaft plates 431 and used for connecting the two shaft plates 431, and meanwhile the pressing roller 41 can be driven to move upwards through upward lifting of the transverse plate 433 so as to release the fixation of the other end of the release film.

Meanwhile, the positioning fixing member 44 includes a positioning rod 441 slidably disposed on a side edge of the connecting plate 42, a first limiting block is disposed at an outer end of the positioning rod 441, a fixing block 442 is disposed at an inner end of the positioning rod 441, a positioning fixing slot 443 for positioning and fixing the fixing block 442 in cooperation with the fixing block 442 is disposed at an end of the printing platform 2 far from the fixing unit 3, and a first spring 444 is disposed on the positioning rod 441 between the connecting plate 42 and the fixing block 442 in a sleeved manner.

Finally, the elastic member 33 includes a connecting rod (331) with one end fixed on the fixing plate (31), the other end of the connecting rod 331 is provided with a second limiting block penetrating through the receiving plate 32, a second spring 332 is sleeved on the connecting rod 331 between the fixing plate 31 and the receiving plate 32, the fixing plate 31 is provided with a pull rod 333, the pull rod 333 penetrates through the receiving plate 32 and is provided with a pull ring, and the pull rod 333 and the fixing plate 31 can be driven to move by pulling the pull ring, so that the fixing plate 31 is released from fixing one end of the release film.

It can be seen from the above that, in this embodiment, through setting up the slip of pressing the unit and pressing the compression roller in the pressing unit on the print platform and pressing the setting, can form the extrusion to the release film to make from the air extrusion between release film and the print platform 2, thereby make from the release film can be better with print platform 2 laminating, and cooperate the fixed unit to form fixedly at release film both ends, produce reasons such as vibrations when preventing to print and cause and remove from the release film, in order to influence the quality of printing the finished product.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Auxiliary device for 3D printer, including organism (1) and print platform (2) of setting on organism (1), its characterized in that: a fixing unit (3) for fixing one end of the release film is arranged on one side of the printing platform (2), and a pressing unit (4) is arranged on the printing platform (2);

the pressing unit (4) comprises pressing rollers (41), the pressing rollers (41) are arranged at the upper end of the printing platform (2) in parallel and are arranged in the fixing unit (3) in parallel, connecting plates (42) which are symmetrically arranged at two ends of the pressing rollers (41) are arranged on the printing platform (2) in a sliding mode, elastic pressing pieces (43) which are used for providing pressing power for the pressing rollers (41) are arranged on the connecting plates (42), and positioning fixing pieces (44) are arranged on the connecting plates (42).

2. An auxiliary device for a 3D printer according to claim 1, wherein: the fixing unit (3) comprises a fixing plate (31) arranged on one side of the printing platform (2), one end, far away from the printing platform (2), of the fixing plate (31) is provided with a bearing plate (32), the lower end of the connecting plate (42) is connected with the printing platform (2), and an elastic piece (33) is arranged between the bearing plate (32) and the fixing plate (31).

3. An auxiliary device for a 3D printer according to claim 1, wherein: the elastic pressing piece (43) comprises a shaft plate (431) sleeved on roller shafts at two ends of the pressing roller (41), one end, far away from the pressing roller (41), of the shaft plate (431) is arranged on the connecting plate (42) in a sliding mode, and a spring telescopic rod (432) is arranged between the shaft plate (431) and the connecting plate (42).

4. An auxiliary device for a 3D printer according to claim 1, wherein: the positioning fixing piece (44) comprises a positioning rod (441) which is arranged on the side edge of the connecting plate (42) in a sliding mode, a fixing block (442) is arranged at the inner end of the positioning rod (441), a positioning fixing groove (443) which is matched with the fixing block (442) to fix the position is formed in one end, far away from the fixing unit (3), of the printing platform (2), and a first spring (444) is sleeved on the positioning rod (441) between the connecting plate (42) and the fixing block (442).

5. An auxiliary device for a 3D printer according to claim 2, wherein: the elastic piece (33) comprises a connecting rod (331) with one end fixed on the fixed plate (31), a second limiting block is arranged at the other end of the connecting rod (331) penetrating through the bearing plate (32), and a second spring (332) is sleeved on the connecting rod (331) between the fixed plate (31) and the bearing plate (32).

6. An auxiliary device for a 3D printer according to claim 3, wherein: a transverse plate (433) is arranged between the two symmetrically arranged shaft plates (431).

7. An auxiliary device for a 3D printer according to claim 5, wherein: the fixing plate (31) is provided with a pull rod (333), and the pull rod (333) penetrates through the bearing plate (32) to be provided with a pull ring.