Lifting bearing mechanism of photocuring 3D printer

Abstract

The lifting bearing mechanism is characterized in that two ends of a sliding plate are respectively connected with a vertical rod, one end of each cross rod is arranged in a clamping groove of the vertical rod and is fixedly connected with the vertical rod through a bolt, a plurality of connecting rods are arranged between the two cross rods, and one end, far away from the vertical rod, of each cross rod is provided with a convex block; the limiting piece is matched with the protruding block in an inserted mode and connected with the protruding block in a fastened mode through a bolt, a plug pin on the upper portion of the limiting piece is connected with an inserting hole of the supporting plate in an inserted mode, a surrounding edge is arranged on the periphery of the lower surface of the supporting plate, a plurality of reinforcing ribs are further arranged on the lower surface of the supporting plate, and the supporting plate is connected with the connecting piece in a fastened mode through bolts and nuts. The bearing frame is mainly formed by splicing the vertical rods, the transverse rods, the connecting rods and the limiting pieces, welding is not needed, the assembly difficulty is greatly reduced, disassembly can be achieved, meanwhile, transportation is convenient, reinforcing ribs are arranged on the lower surface of the supporting plate, the structural strength of the supporting plate is greatly improved through the reinforcing ribs, and compared with a traditional net type structure, the bearing frame is more convenient to use. And the flatness of the bottom of a formed object can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of light-cured 3D printer, concretely is a light-cured 3D printer lifting bearing mechanism. BACKGROUND

[0002] The light-cured 3D printer is a kind of device using light source (such as laser or projector) to solidify specific material to manufacture three-dimensional object.Light-cured 3D printer is provided with lifting bearing mechanism in the pool body, and is used to support the support of article forming, gradually decreases through lifting bearing mechanism in the process of article gradually forming, to ensure that article forming area always matches with resin liquid level.

[0003] The current lifting bearing mechanism, its bearing frame is generally welded by several steel pipes, so as to be inconvenient for processing, and is not conducive to transportation, and the current supporting plate generally adopts net type supporting plate, and the net type supporting plate is prone to deformation after long-term use, so that the bottom of article is uneven, therefore, an improved technology is urgently needed to solve the problem existing in the prior art. UTILITY MODEL CONTENT

[0004] The utility model discloses a light-cured 3D printer lifting bearing mechanism, and bearing frame is mainly assembled by vertical rod, cross bar, connecting rod and limit piece, first, no welding is needed, and assembly difficulty is greatly reduced, second, can realize disassembly, and it is convenient for transportation, the lower surface of supporting plate is provided with reinforcing rib, the structural strength of supporting plate is greatly improved through reinforcing rib, and a flow hole is formed in the middle position of supporting plate, compared with traditional net type structure, can guarantee the flatness of the bottom of forming article, to solve the problem proposed in the above background technique.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a light-cured 3D printer lifting bearing mechanism, including stand, lifting mechanism, bearing frame and supporting plate;

[0006] The two sides of the front side of the stand are symmetrically provided with guide rails, and the middle position of the upper part of the front side of the stand is provided with a motor bracket;

[0007] The lifting mechanism includes motor and lead screw, the motor is connected with the motor bracket, and the output shaft of the motor is connected with the top end of the lead screw through a shaft coupling;

[0008] The bearing frame comprises a sliding plate, a vertical rod, a cross rod, a connecting rod, an L-shaped reinforcing plate, a connecting piece and a limiting piece, sliding plates on both sides of the sliding plate are slidably connected with guide rails through sliding blocks, a middle position of the sliding plate is connected with a lead screw through a lead screw pair nut, both ends of the sliding plate are connected with the vertical rod, a clamping groove is formed on the outer side of the bottom end of the vertical rod, the cross rod is arranged in the clamping groove of the vertical rod and is tightly connected with the vertical rod through bolts, the inner side of the connecting position of the cross rod and the vertical rod is provided with the L-shaped reinforcing plate through bolts, the outer side of the connecting position of the cross rod and the vertical rod is provided with the connecting piece through bolts, a plurality of connecting rods are arranged between the two cross rods, a protruding block is arranged on the end of the cross rod away from the vertical rod, a connecting hole is formed in the protruding block, the limiting piece is open on one side, the limiting piece is inserted into the protruding block and is tightly connected with the protruding block through bolts, and a bolt is arranged on the upper part of the limiting piece and close to the vertical rod.

[0009] The periphery of the lower surface of the supporting plate is provided with a surrounding edge, and a plurality of reinforcing ribs are arranged on the lower surface of the supporting plate, a flow hole is formed in the central position of the supporting plate, the supporting plate is tightly connected with the connecting piece through bolts and nuts on one side, and insertion holes are formed in both ends of the other side of the supporting plate.

[0010] Preferably, the light-curing 3D printer lifting bearing mechanism comprises a vertical column, a horizontal column, a connecting rod and a limiting piece.

[0011] Preferably, the light-curing 3D printer lifting bearing mechanism comprises a vertical column, a horizontal column, a connecting rod and a limiting piece.

[0012] Compared with the prior art, the light-curing 3D printer lifting bearing mechanism has the advantages that:

[0013] The bearing frame is mainly assembled by a vertical rod, a cross rod, a connecting rod and a limiting piece, welding is not needed, the assembly difficulty is greatly reduced, disassembly can be realized, transportation is facilitated, reinforcing ribs are arranged on the lower surface of the supporting plate, the structural strength of the supporting plate is greatly improved through the reinforcing ribs, and a flow hole is formed in the middle position of the supporting plate, so that the flatness of the bottom of a formed object can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is an enlarged structural schematic view of the mark A; Figure 1 It is an enlarged structural schematic view of the mark A;

[0016] Figure 3 It is an enlarged structural schematic view of the mark A; Figure 1Enlarged structure schematic view at the middle mark B;

[0017] Figure 4 For the attachment Figure 1 Enlarged structure schematic view at the middle mark C;

[0018] Figure 5 For the utility model side view structure schematic view;

[0019] Figure 6 For the utility model top view structure schematic view;

[0020] Figure 7 For the utility model structure schematic view at the bearing frame and the supporting plate;

[0021] Figure 8 For the attachment Figure 7 Enlarged structure schematic view at the middle mark C;

[0022] Figure 9 For the utility model structure schematic view at the bearing frame and the supporting plate;

[0023] Figure 10 For the utility model structure schematic view at the bearing frame and the supporting plate;

[0024] Figure 11 For the utility model structure schematic view at the bearing frame and the supporting plate.

[0025] In the figure: stand column 1, guide rail 2, motor frame 3, motor 4, lead screw 5, sliding plate 6, stand rod 7, cross rod 8, connecting rod 9, L-shaped reinforcing plate 10, connecting piece 11, limiting piece 12, lead screw pair nut 13, clamping groove 14, protruding block 15, bolt 16, supporting plate 17, surrounding edge 18, reinforcing rib 19, flow hole 20, insertion hole 21, lead screw seat 22. DETAILED DESCRIPTION

[0026] The technical solutions of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model;

[0027] It should be noted that in the description of the utility model, it should be noted that the terms "inner", "outer", "upper", "lower", "two sides", "one end", "the other end", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] Referring to Figures 1-11 The utility model provides a technical scheme: a light curing 3D printer lifting bearing mechanism, including stand 1, lifting mechanism, bearing frame and supporting plate 17;

[0029] The two sides of the front side of the stand 1 are symmetrically provided with guide rails 2, and the middle position of the upper part of the front side of the stand 1 is provided with a motor bracket 3;

[0030] The lifting mechanism comprises a motor 4 and a lead screw 5, the motor 4 is connected with the motor bracket 3, the output shaft of the motor 4 is connected with the top end of the lead screw 5 through a shaft coupling, the middle position of the lower part of the front side of the stand 1 is provided with a lead screw seat 22, and the bottom end of the lead screw 5 is connected with the lead screw seat 22 in a matched mode, so as to ensure the stability and supportability of the lead screw 5;

[0031] The bearing frame comprises a sliding plate 6, a vertical rod 7, a cross rod 8, a connecting rod 9, an L-shaped reinforcing plate 10, a connecting piece 11 and a limiting piece 12, the two sides of the sliding plate 6 are slidably connected with the guide rails 2 through sliding blocks, the middle position of the sliding plate 6 is connected with the lead screw 5 through a lead screw pair nut 13, the two ends of the sliding plate 6 are connected with the vertical rod 7 respectively, the outer side of the bottom end of the vertical rod 7 is provided with a clamping groove 14, one end of the cross rod 8 is arranged in the clamping groove 14 of the vertical rod 7 and is tightly connected with the vertical rod 7 through bolts, at this place, when the cross rod 8 is matched with the clamping groove 14, the end part of the cross rod 8 is supported in the longitudinal direction through the clamping groove 14, so that the connecting strength between the cross rod 8 and the vertical rod 7 is improved, the inner side of the connecting position of the cross rod 8 and the vertical rod 7 is provided with the L-shaped reinforcing plate 10 through bolts, the outer side of the connecting position of the cross rod 8 and the vertical rod 7 is provided with the connecting piece 11 through bolts, a plurality of connecting rods 9 are arranged between the two cross rods 8, one end of the cross rod 8 away from the vertical rod 7 is provided with a protruding block 15, the protruding block 15 is provided with a connecting hole in penetration, one side of the limiting piece 12 is open, the limiting piece 12 is insertedly connected with the protruding block 15 and is tightly connected with the protruding block 15 through bolts, and the upper part of the limiting piece 12 and the side close to the vertical rod 7 are provided with a latch 16;

[0032] The outer periphery of the lower surface of the supporting plate 17 is provided with a surrounding edge 18, a plurality of reinforcing ribs 19 are further arranged on the lower surface of the supporting plate 17, a flow hole 20 is arranged at the central position of the supporting plate 17, one side of the supporting plate 17 is tightly connected with the connecting piece 11 through bolts and nuts, and the two ends of the other side of the supporting plate 17 are respectively provided with insertion holes 21, the insertion holes 21 correspond to the latches 16 of the limiting pieces 12 and are insertedly connected with each other, the surrounding edge 18 and the corresponding reinforcing ribs 19 are supported on the upper surface of the cross rod 8, and the bottom of the surrounding edge 18 is flush with the bottom of the reinforcing ribs 19, so that the surrounding edge 18 and the reinforcing ribs 19 can be supported on the cross rod 8.

[0033] The installation method and use principle are as follows: firstly, the bearing frame and the supporting plate 17 are assembled, the bottom end of the vertical rod 7 is fastened and connected with the horizontal rod 8 through bolts, then the vertical rod 7 and the horizontal rod 8 are reinforced at the connecting position through the L-shaped reinforcing plate 10, then the two ends of the sliding plate 6 are fastened and connected with the top end of the vertical rod 7 through bolts, then the open end of the limiting piece 12 is inserted with the protrusion 15 at the end of the horizontal rod 8 away from the vertical rod 7 and is fastened and connected through bolts. Then the supporting plate 17 is placed on the upper surface of the horizontal rod 8, the insertion hole 21 of the supporting plate 17 is inserted with the insertion pin 16 of the limiting piece 12, the connecting piece 11 is fastened and connected with the end of the supporting plate 17 close to the vertical rod 7 through bolts and nuts, and the assembly between the supporting plate 17 and the bearing frame is completed. Finally, the sliding plate 6 is slidably matched with the guide rails 2 on the two sides of the vertical column 1 through sliding blocks, the lead screw 5 is matched and connected with the lead screw pair nut 13 at the middle position of the sliding plate 6, the lead screw bottom is matched with the lead screw seat, the motor 4 is installed on the motor frame 3, and the output shaft of the motor 4 and the top end of the lead screw are connected through a shaft coupling, and the installation is completed. The vertical column 1 is installed on the upper surface of the pool body of the photocuring 3D printer, and the bearing frame and the supporting plate 17 are located in the pool body of the photocuring 3D printer, as shown in the figure. Figure 11 When in use, the motor 4 drives the lead screw to rotate, the lead screw drives the sliding plate 6 to move up and down along the guide rails 2 through the cooperation with the lead screw pair nut, so that the whole bearing frame and the supporting plate 17 are lifted in the pool body of the photocuring 3D printer to cooperate with the gradual forming of the object. The utility model has the advantages of reasonable structure, the bearing frame is mainly assembled by the vertical rod 7, the horizontal rod 8, the connecting rod 9 and the limiting piece 12, first, welding is not needed, the assembly difficulty is greatly reduced, second, disassembly can be realized, and transportation is facilitated, and then the reinforcing rib 19 is arranged on the lower surface of the supporting plate 17, the structural strength of the supporting plate 17 is greatly improved through the reinforcing rib 19, and a flow hole 20 is arranged at the middle position of the supporting plate 17, compared with the traditional mesh structure, the flatness of the bottom of the formed object can be ensured.

[0034] The parts not described in the utility model are the known technology of the person skilled in the art.

[0035] Finally, it should be noted that: the above specific embodiments are only used to illustrate the technical scheme of the utility model and are not limited, although the utility model is described in detail with reference to the embodiments, the person skilled in the art should understand that the technical scheme of the utility model can be modified and replaced equivalently without departing from the spirit and range of the technical scheme of the utility model, and they should be covered in the claim range of the utility model.

Claims

1. A light-cured 3D printer lift bearing mechanism, characterized in that: Including stand (1), lifting mechanism, bearing frame and supporting plate (17); The two sides of the front side of the stand (1) are symmetrically provided with guide rails (2), and the middle position of the upper part of the front side of the stand (1) is provided with a motor bracket (3); The lifting mechanism comprises a motor (4) and a lead screw (5), the motor (4) is connected with the motor bracket (3), and the output shaft of the motor (4) is connected with the top end of the lead screw (5) through a shaft coupling; The bearing frame comprises a sliding plate (6), a vertical rod (7), a cross rod (8), a connecting rod (9), an L-shaped reinforcing plate (10), a connecting piece (11) and a limiting piece (12), the two sides of the sliding plate (6) are slidably connected with the guide rails (2) through sliding blocks, the middle position of the sliding plate (6) is connected with the lead screw (5) through a lead screw nut (13), the two ends of the sliding plate (6) are respectively connected with the vertical rod (7), the outer side of the bottom end of the vertical rod (7) is provided with a clamping groove (14), one end of the cross rod (8) is arranged in the clamping groove (14) of the vertical rod (7) and is tightly connected with the vertical rod (7) through bolts, the inner side of the connecting position of the cross rod (8) and the vertical rod (7) is provided with the L-shaped reinforcing plate (10) through bolts, the outer side of the connecting position of the cross rod (8) and the vertical rod (7) is provided with the connecting piece (11) through bolts, a plurality of connecting rods (9) are arranged between the two cross rods (8), one end of the cross rod (8) away from the vertical rod (7) is provided with a protruding block (15), the protruding block (15) is provided with a connecting hole, one side of the limiting piece (12) is open, the limiting piece (12) is inserted and connected with the protruding block (15) and is tightly connected with the protruding block (15) through bolts, the upper part of the limiting piece (12) and the side close to the vertical rod (7) are provided with a latch (16); The lower surface of the supporting plate (17) is provided with a surrounding edge (18), a plurality of reinforcing ribs (19) are arranged on the lower surface of the supporting plate (17), a flow hole (20) is arranged at the center position of the supporting plate (17), one side of the supporting plate (17) is tightly connected with the connecting piece (11) through bolts and nuts, the other side of the supporting plate (17) is provided with two insertion holes (21) at the two ends, the insertion holes (21) correspond to the latches (16) of the limiting pieces (12) and are inserted with each other, and the bottom parts of the surrounding edge (18) and the corresponding reinforcing ribs (19) are supported on the upper surface of the cross rod (8).

2. The light-cured 3D printer lifting bearing mechanism according to claim 1, wherein: The middle position of the lower part of the front side of the stand (1) is provided with a lead screw seat (22), and the bottom end of the lead screw (5) is connected with the lead screw seat (22).

3. The light-cured 3D printer lifting bearing mechanism according to claim 1, wherein: The bottom part of the surrounding edge (18) is flush with the bottom part of the reinforcing rib (19).

Images