Lifting platform structure of 3D printer

Abstract

The lifting platform structure of the 3D printer comprises a base, a driving motor is fixedly connected to the interior of the base, a gear is fixedly connected to the upper end of the output end of the driving motor, a gear ring is meshed with the left end of the gear, a screw rod is fixedly connected to the top of the gear ring, and a screw rod is fixedly connected to the top of the screw rod. And the screw rod is rotationally connected with the base through a bearing, the outer side of the screw rod is connected with a connecting block through a thread, and the outer side of the connecting block is fixedly connected with a printing platform. Through the effect of the designed motor, the motor can drive the gear and the gear ring to rotate so as to drive the screw rod to rotate, threaded movement of the connecting block can be achieved, then lifting use of the printing platform can be achieved, after rotation of the gear ring is completed, the static gear ring can be limited and locked through matched use of the balls, the grooves and the springs, and the printing platform is convenient to use. Random rotation of the gear ring and the screw rod is avoided, and the stability of the printing platform after lifting can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lifting platform technical field, concretely to a kind of lifting platform structure of 3D printer. BACKGROUND

[0002] 3D printing is a kind of rapid prototyping technology, it is a kind of digital model file as foundation, using powder-like metal or plastic and other adhesion materials, by layer-by-layer printing to construct object technology. In the process of 3D printer operation, lifting platform is relied on to realize the lifting movement of material.

[0003] The utility model discloses a kind of lifting device of 3D printer platform, belong to 3D printer equipment field, including base, fixed rod and spiral support rod are equipped on the base, fixed rod and spiral support rod are equipped with support shaft, printing platform is equipped on the support shaft, rotating shaft inner shell is equipped at the place where the support shaft inside and spiral support rod contact, rotating shaft rotor is equipped outside rotating shaft inner shell, rotating shaft rotor outside is surrounded by rotating shaft outer shell, spiral support rod terminal is connected with rotating rod, rotating shaft is equipped on the rotating rod, transmission belt is equipped on the rotating shaft, another end of transmission belt is placed in motor rotating shaft, motor rotating shaft is equipped on motor. The patent structure is simple, printing platform is effectively controlled by transmission belt driving rotating shaft and with rotating shaft, economical and practical.

[0004] In prior art, it is inconvenient to limit the platform after lifting during the use of lifting platform, the stability of lifting platform is insufficient, which will affect processing use, and it is inconvenient to lubricate lifting assembly during the lifting process of lifting platform. Therefore, improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of lifting platform structure of 3D printer, solve the problem of inconveniently limiting the platform after lifting, also solve the problem of inconveniently lubricating lifting assembly.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of lifting platform structure of 3D printer, including base, the inside fixed connection of base is equipped with drive motor, the upper end of the output end of drive motor is fixedly connected with gear, the left end of gear is engaged with gear ring, the top of gear ring is fixedly connected with screw rod, screw rod is rotatably connected with base by bearing, the outside of screw rod is connected with connecting block by screw thread, the outside of connecting block is fixedly connected with printing platform, the inside of connecting block is slidably sleeved with guide rod, guide rod is fixedly connected with base, the top of guide rod is fixedly connected with support seat, limit mechanism is provided on gear ring, lubricating mechanism is provided on screw rod.

[0007] Preferably, the limiting mechanism comprises a groove, the inside of the gear ring is provided with the groove, the inside of the groove movably sleeved with a ball, the outside of the ball movably sleeved with a fixed seat, the fixed seat is fixedly connected with the base, the fixed seat is rotatably connected with the gear ring, the outside of the ball movably sleeved with a sliding block, the sliding block is slidably connected with the fixed seat, the inside of the sliding block slidably sleeved with a guide rod, the guide rod is fixedly connected with the fixed seat, and the outside of the guide rod is provided with a spring. Through the design of the limiting mechanism, the gear ring can be limited and locked.

[0008] Preferably, the number of the grooves is plurality, and the plurality of grooves are annularly and uniformly distributed in the inside of the gear ring. Through the design of the plurality of grooves, the ball can be rolled into the inside of the groove in different positions.

[0009] Preferably, one end of the spring is fixedly connected with the sliding block, and the other end of the spring is fixedly connected with the fixed seat. Through the design of the spring, the force of the spring can act on the sliding block.

[0010] Preferably, the lubricating mechanism comprises a connecting sleeve, the outside of the screw rod is rotatably sleeved with the connecting sleeve, the connecting sleeve is fixedly connected with the supporting seat, the top of the connecting sleeve is fixedly connected with a cylinder, the cylinder is fixedly connected with the supporting seat, the inside of the cylinder is threadedly connected with a cover, the top of the cover is fixedly connected with a filling port, the left end of the cylinder is fixedly connected with a rotating motor, the output end of the rotating motor is rotatably connected with the cylinder, the right end of the output end of the rotating motor is fixedly connected with a rotating shaft, the rotating shaft is rotatably connected with the cylinder through a bearing, the bottom of the rotating shaft is fixedly connected with a top block, the lower end of the top block is in contact with a sponge block, and the sponge block is fixedly connected with the cylinder. Through the design of the lubricating mechanism, the lifting assembly can be conveniently lubricated.

[0011] Preferably, the number of the top blocks is plurality, and the plurality of top blocks are uniformly distributed at the lower end of the rotating shaft. Through the design of the plurality of top blocks, the sponge block can be rotatably extruded.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1, the utility model discloses a motor's effect, and the motor can drive gear and gear ring rotation and can drive screw rotation, can realize the threaded motion of connecting block, and then can realize the lifting of printing platform, after the rotation of gear ring, through the cooperation of ball, groove and spring, the stationary gear ring can be limited and locked, the random rotation of gear ring and screw rod can be avoided, and the stability after the lifting of printing platform can be improved.

[0014] 2, the utility model discloses a motor's effect is designed, and the output end of motor can drive the rotation of the shaft and the top block, and the top block rotation can extrude the sponge block, and the sponge pad is extruded and extrudes the lubricating oil, and the lubricating oil can be input to the inside of the connecting sleeve through the cylinder, and then can lubricate the screw rod, can reduce the rotating friction of screw rod when the printing platform lifts, and reduces the abrasion. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure perspective drawing of the utility model;

[0016] Figure 2 It is the base partial structure perspective view of the utility model Figure 1 ;

[0017] Figure 3 It is the A place enlarged view of the utility model Figure 2 ;

[0018] Figure 4 It is the fixed seat front view of the utility model Figure 3 ;

[0019] Figure 5 It is the cylinder front view of the utility model Figure 2 .

[0020] In the drawing: 1, base;2, drive motor;3, gear;4, gear ring;5, screw rod;6, connecting block;7, printing platform;8, limit mechanism;9, lubricating mechanism;10, guide rod;11, support seat;81, recess;82, ball;83, fixed seat;84, sliding block;85, guide rod;86, spring;91, connecting sleeve;92, cylinder;93, cover;94, filling port;95, rotating motor;96, rotating shaft;97, top block;98, sponge block. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 scope of the utility model.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3The utility model provides a lifting platform structure of 3D printer, including base 1, the inside fixed connection of base 1 has drive motor 2, the upper end fixed connection of drive motor 2 output has gear 3, the left end of gear 3 is engaged with gear ring 4, the top fixed connection of gear ring 4 has screw rod 5, and screw rod 5 is rotatably connected with base 1 through bearing, and the outside of screw rod 5 is connected with connecting block 6 through screw thread, and the outside fixed connection of connecting block 6 has printing platform 7, and the inside sliding sleeve of connecting block 6 has guide rod 10, and guide rod 10 is fixedly connected with base 1, and the top fixed connection of guide rod 10 has support seat 11, and the limit mechanism 8 is set on gear ring 4, and the lubricating mechanism 9 is set on screw rod 5.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The limit mechanism 8 includes a groove 81, a plurality of grooves 81 are evenly distributed in the inside of the gear ring 4, the inside of the groove 81 movably sleeves a ball 82, the outside of the ball 82 movably sleeves a fixed seat 83, the fixed seat 83 is fixedly connected with the base 1, the fixed seat 83 is rotatably connected with the gear ring 4, the outside of the ball 82 movably sleeves a sliding block 84, the sliding block 84 is slidably connected with the fixed seat 83, the inside of the sliding block 84 slidably sleeves a guide rod 85, the guide rod 85 is fixedly connected with the fixed seat 83, the outside of the guide rod 85 is provided with a spring 86, one end of the spring 86 is fixedly connected with the sliding block 84, the other end of the spring 86 is fixedly connected with the fixed seat 83, the spring 86 is designed to act on the sliding block 84, and the limit mechanism 8 is designed to limit and lock the gear ring 4.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 5The lubricating mechanism 9 comprises a connecting sleeve 91, the outer side of the screw rod 5 is sleeved with the connecting sleeve 91, the connecting sleeve 91 is fixedly connected with the support base 11, the top of the connecting sleeve 91 is fixedly connected with a cylinder body 92, the cylinder body 92 is fixedly connected with the support base 11, the inside of the cylinder body 92 is threadedly connected with a cover 93, the top of the cover 93 is fixedly connected with a filling opening 94, the left end of the cylinder body 92 is fixedly connected with a rotating motor 95, the output end of the rotating motor 95 is rotatably connected with the cylinder body 92, the right end of the output end of the rotating motor 95 is fixedly connected with a rotating shaft 96, the rotating shaft 96 is rotatably connected with the cylinder body 92 through a bearing, the bottom of the rotating shaft 96 is fixedly connected with a plurality of top blocks 97, the plurality of top blocks 97 are uniformly distributed at the lower end of the rotating shaft 96, the plurality of top blocks 97 can rotate and extrude the sponge block 98, the lower end of the top block 97 is in contact with the sponge block 98, the sponge block 98 is fixedly connected with the cylinder body 92, and the lubricating mechanism 9 is convenient for lubricating the lifting assembly.

[0025] The specific implementation process of the utility model is as follows: in use, the output end of the rotating motor 95 drives the gear 3 to rotate, the gear 3 can drive the gear ring 4 to rotate, the gear ring 4 can drive the screw rod 5 to rotate, the threaded movement of the connecting block 6 can be realized, the connecting block 6 can slide along the guide rod 10, and the connecting block 6 drives the printing platform 7 to move, so that the lifting of the printing platform 7 can be used.

[0026] When the gear ring 4 rotates, the rotation of the gear ring 4 can extrude the ball 82, the ball 82 is pushed to drive the sliding block 84 to move upwards, the sliding block 84 can slide along the guide rod 85, the sliding block 84 can extrude the spring 86, so that the ball 82 can be separated from the groove 81, when the lifting of the printing platform 7 is completed, the screw rod 5 and the gear ring 4 stop rotating correspondingly, at this time, the spring 86 can give the sliding block 84 a downward counter thrust force under the elastic action, the ball 82 can be pushed into the groove 81 in another position, at this time, the gear ring 4 and the screw rod 5 can be limited and locked, the random rotation of the gear ring 4 and the screw rod 5 can be avoided, and the stability after the lifting of the printing platform 7 can be improved.

[0027] When the screw rod 5 needs to be lubricated, the rotating motor 95 is started, the output end of the rotating motor 95 drives the rotating shaft 96 to rotate, the rotating shaft 96 drives the top block 97 to rotate, the sponge block 98 is extruded when the top block 97 rotates and contacts the sponge block 98, the lubricating oil stored in the sponge block 98 can be discharged through the cylinder body 92 at this time, the lubricating oil can flow along the screw rod 5 after flowing into the connecting sleeve 91, the screw rod 5 can be lubricated, the rotating friction of the screw rod 5 during the lifting of the printing platform 7 can be reduced, and the abrasion can be reduced.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lifting platform structure of a 3D printer, comprising a base (1), characterized in that: The inside of the base (1) is fixedly connected with a driving motor (2), the upper end of the output end of the driving motor (2) is fixedly connected with a gear (3), the left end of the gear (3) is engaged with a gear ring (4), the top of the gear ring (4) is fixedly connected with a screw rod (5), the screw rod (5) is rotatably connected with the base (1) through a bearing, the outer side of the screw rod (5) is threadedly connected with a connecting block (6), the outer side of the connecting block (6) is fixedly connected with a printing platform (7), the inside of the connecting block (6) is slidably sleeved with a guide rod (10), the guide rod (10) is fixedly connected with the base (1), the top of the guide rod (10) is fixedly connected with a supporting seat (11), a limiting mechanism (8) is arranged on the gear ring (4), and a lubricating mechanism (9) is arranged on the screw rod (5).

2. The lifting platform structure of a 3D printer according to claim 1, characterized in that: The limiting mechanism (8) comprises a groove (81), the inside of the gear ring (4) is provided with the groove (81), the inside of the groove (81) is movably sleeved with a ball (82), the outer side of the ball (82) is movably sleeved with a fixed seat (83), the fixed seat (83) is fixedly connected with the base (1), the fixed seat (83) is rotatably connected with the gear ring (4), the outer side of the ball (82) is movably sleeved with a sliding block (84), the sliding block (84) is slidably connected with the fixed seat (83), the inside of the sliding block (84) is slidably sleeved with a guide rod (85), the guide rod (85) is fixedly connected with the fixed seat (83), and the outer side of the guide rod (85) is provided with a spring (86).

3. The lifting platform structure of a 3D printer according to claim 2, wherein: The number of the grooves (81) is multiple, and the multiple grooves (81) are annularly and uniformly distributed in the inside of the gear ring (4).

4. The lifting platform structure of a 3D printer according to claim 2, wherein: One end of the spring (86) is fixedly connected with the sliding block (84), and the other end of the spring (86) is fixedly connected with the fixed seat (83).

5. The lifting platform structure of a 3D printer according to claim 1, wherein: The lubricating mechanism (9) comprises a connecting sleeve (91), the outer side of the screw rod (5) is rotatably sleeved with the connecting sleeve (91), the connecting sleeve (91) is fixedly connected with the supporting seat (11), the top of the connecting sleeve (91) is fixedly connected with a cylinder (92), the cylinder (92) is fixedly connected with the supporting seat (11), the inside of the cylinder (92) is threadedly connected with a cover (93), the top of the cover (93) is fixedly connected with a filling opening (94), the left end of the cylinder (92) is fixedly connected with a rotating motor (95), the output end of the rotating motor (95) is rotatably connected with the cylinder (92), the right end of the output end of the rotating motor (95) is fixedly connected with a rotating shaft (96), the rotating shaft (96) is rotatably connected with the cylinder (92) through a bearing, the bottom of the rotating shaft (96) is fixedly connected with a top block (97), the lower end of the top block (97) is in contact with a sponge block (98), and the sponge block (98) is fixedly connected with the cylinder (92).

6. The lifting platform structure of a 3D printer according to claim 5, characterized in that: The number of the top blocks (97) is multiple, and the multiple top blocks (97) are uniformly distributed at the lower end of the rotating shaft (96).

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