CN215750805U

CN215750805U - 3D printer shaping platform elevation structure

Info

Publication number: CN215750805U
Application number: CN202122437928.4U
Authority: CN
Inventors: 谢志刚
Original assignee: Quanzhou Dike Technology Co ltd
Current assignee: Quanzhou Dike Technology Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-08
Anticipated expiration: 2031-10-11

Abstract

The utility model belongs to the technical field of 3D printer equipment, and particularly relates to a lifting structure of a 3D printer forming platform. This 3D printer shaping platform elevation structure, reached a key formula automatic control platform through setting up elevating system and gone up and down, high durability and convenient operation, only need a control driving motor corotation work, the atmospheric pressure that controls the ascending movement control of fall way first lift chamber and second lift intracavity portion increases, it promotes the ascending movement extension of lifter to make it atmospheric pressure, holistic elevation structure all sets up the inside at the seat that goes up and down, simple structure is not fragile to have strengthened life, avoided current manual operation to lead to that artifical intensity of labour is big or hydraulic operation still needs the hydraulic pump, the effect that use cost is high.

Description

3D printer shaping platform elevation structure

Technical Field

The utility model relates to the technical field of 3D printer equipment, in particular to a lifting structure of a 3D printer forming platform.

Background

The 3D printer is also called as a three-dimensional printer, is a device which is connected with a computer and outputs information in the computer, is a manufacturing process for rapid forming, adopts a layer-by-layer stacking mode to manufacture a three-dimensional model in a layering mode, the operation process of the three-dimensional model is similar to that of a traditional printer, except that the traditional printer prints ink on paper to form a two-dimensional plane drawing, and the three-dimensional printer realizes layer-by-layer stacking and overlapping of materials such as liquid photosensitive resin materials, molten plastic wires, gypsum powder and the like by spraying a binder or extruding and the like to form a three-dimensional entity.

Most of 3D printer forming platforms on the current market adopt the mode of artifical lift or hydraulic pressure lift when using, and its structure is comparatively complicated, and is convenient inadequately during the use, and most elevation structure does not have any buffer structure at the in-process of operation simultaneously, in case elevation structure breaks down and leads to the forming platform to drop fast, causes the damage to the platform very easily, and the protectiveness is relatively poor, so needs a 3D printer forming platform elevation structure.

SUMMERY OF THE UTILITY MODEL

Based on the technical problems that most of existing 3D printer forming platforms on the market adopt a manual lifting or hydraulic lifting mode when in use, the structure is complex, the use is inconvenient, meanwhile, most lifting structures do not have any buffer structure in the operation process, once the lifting structures break down to cause the forming platforms to fall off quickly, the platforms are easily damaged, and the protection performance is poor, the utility model provides the lifting structure of the 3D printer forming platform.

The lifting structure of the 3D printer forming platform comprises a bottom plate, wherein a lifting seat is fixedly connected to the center of the top of the bottom plate, a lifting mechanism is arranged inside the lifting seat, the lifting mechanism comprises a lifting rod, the arc surface of the lifting rod is in sliding insertion connection with the surface of the top of the lifting seat, the top of the lifting rod is fixedly connected with a platform, and the lifting mechanism is used for driving the platform to move up and down for adjustment;

the guide buffer mechanisms are arranged on the surfaces of two ends of the top of the bottom plate and used for controlling the platform to suddenly descend for buffering, each guide buffer mechanism comprises a guide rail, and the bottom ends of the guide rails are fixedly connected with the top of the bottom plate.

Preferably, a first lifting cavity and a second lifting cavity are respectively formed in the lifting seat, the inner top wall of the first lifting cavity is fixedly communicated with the inner bottom wall of the second lifting cavity, the inner side wall of the top end of the first lifting cavity is fixedly communicated with an adjusting air pressure pipe, and an air pressure valve is arranged on the surface of the adjusting air pressure pipe;

through above-mentioned technical scheme, set up and adjust the atmospheric pressure that the atmospheric pressure pipe is convenient for adjust first lift chamber and second lift intracavity portion, control through closing the pneumatic valve and seal after the regulation.

Preferably, the inner wall of the first lifting cavity is square, a driving motor is fixedly mounted on the inner bottom wall of the first lifting cavity, an output shaft of the driving motor is fixedly connected with a screw rod through a coupler, and the screw thread of the screw rod is connected with a lifting pipe in a threaded manner;

through above-mentioned technical scheme, control driving motor corotation work during lift adjustment, driving motor corotation work drives the screw rod corotation rotation, controls the fall way upward movement under ordering about of threaded connection to and the inner wall in first lift chamber is square shape and controls the fall way spacing, the fall way up-and-down motion under threaded connection's condition of being convenient for.

Preferably, the top of the lifting pipe is fixedly connected with a lifting push block, the surface of the lifting push block is square, the surface of the lifting push block is fixedly connected with a lifting sealing gasket, and the surface of the lifting sealing gasket is in sliding insertion connection with the inner wall of the first lifting cavity;

through above-mentioned technical scheme, the elevator pipe shifts up and drives the lift ejector pad upward movement, controls the airtight space of space stroke on lift ejector pad top through the lift sealed pad, makes it the inside atmospheric pressure increase in airtight space when lift ejector pad upward movement to the effect of the inside atmospheric pressure increase of control second lift chamber.

Preferably, the bottom end of the lifting rod penetrates through and extends into the second lifting cavity, the inner wall of the second lifting cavity is cylindrical, the bottom end of the lifting rod is fixedly connected with a lifting motion block, the surface of the lifting motion block is fixedly connected with a lifting seal ring, the surface of the lifting seal ring is in sliding insertion connection with the inner wall of the second lifting cavity, the surface of the arc surface of the lifting rod is movably sleeved with a spring, one end of the spring is fixedly connected with the inner top wall of the second lifting cavity, and the other end of the spring is fixedly connected with the top of the lifting motion block;

through the technical scheme, the air pressure in the second lifting cavity is increased, so that the air pressure moves upwards to push the lifting motion block to move upwards, the space at the bottom end of the lifting motion block is controlled to be airtight through the lifting seal ring, when the lifting motion block moves upwards to drive the lifting rod to move upwards to extend and adjust, the surface of the lifting motion block extrudes the spring to enable the spring to generate elastic force, the air pressure in the second lifting cavity is larger than the elastic force of the spring, and the lifting motion block is pushed to move downwards to retract and adjust after the air pressure in the second lifting cavity is reduced through the elastic force of the spring.

Preferably, the bottom end surface of the guide rail is fixedly connected with a right-angle reinforcing plate, the bottom end of the right-angle reinforcing plate is fixedly connected with the upper surface of the bottom plate, the surface of the guide rail is inserted with sliding blocks in a sliding manner, and the opposite surfaces of the two sliding blocks are respectively fixedly connected with the two end surfaces of the platform;

through above-mentioned technical scheme, set up right angle reinforcing plate control guide rail and bottom plate and be 90 degrees vertical distribution, be convenient for control two guide rail parallel arrangement, prevent that two slider up-and-down motion from taking place the jam, effect that the up-and-down motion is not smooth and easy.

Preferably, the opposite surfaces of the two guide rails are respectively provided with a buffer hole, the buffer holes are linearly arranged on the surfaces of the guide rails in a straight line section manner, the inner wall of each buffer hole is in threaded connection with a ball plunger, the ball head surface of the ball plunger is higher than the orifice of the buffer hole, the sliding inner wall of the sliding block is provided with a positioning hole, and the inner wall of the positioning hole is in sliding insertion connection with the ball head surface of the ball plunger;

through above-mentioned technical scheme, set up a plurality of dashpots to and the inside threaded connection bulb plunger of dashpot, damage when elevating system meets accident, during the perpendicular quick motion downwards of platform, the locating hole of pegging graft through the bulb surface of a plurality of bulb plungers, play the damping resistance, and the effect of being convenient for through bulb extrusion locating hole location of bulb plunger after the buffering deceleration, prevent the effect that direct decline leads to the damage.

The beneficial effects of the utility model are as follows:

1. reach one-key formula automatic control platform through setting up elevating system and gone up and down, high durability and convenient operation, only need a control driving motor corotation work, the atmospheric pressure that controls the ascending movement control of elevator pipe first lift chamber and second lift intracavity portion increases, it promotes the ascending movement extension of lifter to make it atmospheric pressure, holistic elevation structure all sets up the inside at the lift seat, simple structure is not fragile to have strengthened life, avoided current manual operation to lead to that artifical intensity of labour is big or hydraulic operation still needs the hydraulic pump, the effect that use cost is high.

2. Reach elevating system and damaged under emergency through setting up direction buffer gear, thereby it slides downwards on the surface of guide rail to lead to the slider at the quick downstream drive both ends of platform, the inner wall of bulb surface grafting locating hole through the bulb plunger of buffering downthehole portion, produce the buffering resistance, it is slow to make platform downstream, bulb surface joint through bulb plunger after decurrent buffer force reduces is fixed a position at locating hole inside, the current buffer gear that does not have has been avoided leads to dropping the damage, the poor effect of protectiveness.

Drawings

FIG. 1 is a schematic structural diagram of a lifting structure of a 3D printer forming platform;

FIG. 2 is a sectional view of a lifting seat structure of a lifting structure of a 3D printer forming platform;

FIG. 3 is an enlarged view of the structure A in FIG. 2 of a lifting structure of a forming platform of a 3D printer;

FIG. 4 is an enlarged view of a portion B of the lifting structure of the forming platform of the 3D printer in FIG. 2;

fig. 5 is an enlarged view of a structure at C in fig. 2 of a lifting structure of a forming platform of a 3D printer.

In the figure: 1. a base plate; 2. a lifting seat; 3. a lifting rod; 31. a first lifting cavity; 32. a second lifting cavity; 33. adjusting the air pressure pipe; 34. a pneumatic valve; 35. a drive motor; 36. a screw; 37. a lifting pipe; 38. lifting the push block; 39. a lifting gasket; 310. a lifting motion block; 311. lifting the sealing ring; 312. a spring; 4. a platform; 5. a guide rail; 51. a right angle stiffener; 52. a slider; 53. a buffer hole; 54. a ball plunger; 55. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a lifting structure of a 3D printer forming platform comprises a bottom plate 1, a lifting seat 2 is fixedly connected to the center of the top of the bottom plate 1, a lifting mechanism is arranged inside the lifting seat 2, the lifting mechanism comprises a lifting rod 3, the arc surface of the lifting rod 3 is in sliding insertion connection with the top surface of the lifting seat 2, a platform 4 is fixedly connected to the top of the lifting rod 3, and the lifting mechanism is used for driving the platform 4 to move up and down for adjustment;

a first lifting cavity 31 and a second lifting cavity 32 are respectively formed in the lifting seat 2, the inner top wall of the first lifting cavity 31 is fixedly communicated with the inner bottom wall of the second lifting cavity 32, the inner side wall of the top end of the first lifting cavity 31 is fixedly communicated with an adjusting air pressure pipe 33, an air pressure valve 34 is arranged on the surface of the adjusting air pressure pipe 33, furthermore, the adjusting air pressure pipe 33 is arranged to facilitate adjusting the air pressure in the first lifting cavity 31 and the second lifting cavity 32, and the air pressure valve 34 is closed for controlling and sealing after the adjustment is finished;

the inner wall of the first lifting cavity 31 is square, a driving motor 35 is fixedly installed on the inner bottom wall of the first lifting cavity 31, an output shaft of the driving motor 35 is fixedly connected with a screw rod 36 through a coupler, the screw thread of the screw rod 36 is connected with a lifting pipe 37 in a threaded manner, further, the driving motor 35 is controlled to rotate forwards during lifting adjustment, the driving motor 35 rotates forwards to drive the screw rod 36 to rotate forwards, the lifting pipe 37 is controlled to move upwards under the driving of the threaded connection, the lifting pipe 37 is controlled to be limited by the square inner wall of the first lifting cavity 31, and the lifting pipe 37 can move upwards and downwards under the condition of threaded connection conveniently; the top of the lifting pipe 37 is fixedly connected with a lifting push block 38, the surface of the lifting push block 38 is square, the surface of the lifting push block 38 is fixedly connected with a lifting sealing gasket 39, the surface of the lifting sealing gasket 39 is in sliding insertion connection with the inner wall of the first lifting cavity 31, further, the lifting pipe 37 moves upwards to drive the lifting push block 38 to move upwards, the space stroke closed space at the top end of the lifting push block 38 is controlled through the lifting sealing gasket 39, and when the lifting push block 38 moves upwards, the air pressure in the closed space is increased, so that the effect of increasing the air pressure in the second lifting cavity 32 is controlled;

the bottom end of the lifting rod 3 penetrates through and extends into the second lifting cavity 32, the inner wall of the second lifting cavity 32 is cylindrical, the bottom end of the lifting rod 3 is fixedly connected with a lifting motion block 310, the surface of the lifting motion block 310 is fixedly connected with a lifting seal ring 311, the surface of the lifting seal ring 311 is in sliding insertion connection with the inner wall of the second lifting cavity 32, the circular arc surface of the lifting rod 3 is movably sleeved with a spring 312, one end of the spring 312 is fixedly connected with the inner top wall of the second lifting cavity 32, the other end of the spring 312 is fixedly connected with the top of the lifting motion block 310, further, the air pressure inside the second lifting cavity 32 is increased, so that the air pressure moves upwards to push the lifting motion block 310 to move upwards, the space at the bottom end of the lifting motion block 310 is controlled to be closed through the lifting seal ring 311, when the lifting motion block 310 moves upwards to drive the lifting rod 3 to move upwards to extend and adjust, the surface of the lifting motion block 310 presses the spring 312 to generate elasticity, the air pressure inside the second lifting cavity 32 is greater than the elastic force of the spring 312, and when the air pressure inside the second lifting cavity 32 is reduced, the lifting motion block 310 is pushed by the elastic force of the spring 312 to move downwards for retraction adjustment;

reached 4 lifts of a key formula automatic control platform through setting up elevating system, high durability and convenient operation, only need a control driving motor 35 corotation work, control the inside atmospheric pressure increase in the first lift chamber 31 of ascending motion control of elevator pipe 37 and second lift chamber 32, make it atmospheric pressure promote the 3 upward movements of lifter to extend, holistic elevation structure all sets up the inside at lift seat 2, simple structure is not fragile to have strengthened life, avoided current manual operation to lead to that artifical intensity of labour is big or hydraulic operation still needs the hydraulic pump, the effect that use cost is high.

The surfaces of two ends of the top of the bottom plate 1 are provided with guide buffering mechanisms, the guide buffering mechanisms are used for controlling sudden descending buffering of the platform 4, each guide buffering mechanism comprises a guide rail 5, and the bottom end of each guide rail 5 is fixedly connected with the top of the bottom plate 1;

the bottom end surface of the guide rail 5 is fixedly connected with a right-angle reinforcing plate 51, the bottom end of the right-angle reinforcing plate 51 is fixedly connected with the upper surface of the bottom plate 1, the surface of the guide rail 5 is inserted with a sliding block 52 in a sliding mode, the opposite surfaces of the two sliding blocks 52 are respectively fixedly connected with the two end surfaces of the platform 4, furthermore, the right-angle reinforcing plate 51 is arranged to control the guide rail 5 to be vertically distributed at 90 degrees with the bottom plate 1, so that the two guide rails 5 can be conveniently controlled to be arranged in parallel, and the effects of jamming and unsmooth up-down movement of the two sliding blocks 52 can be prevented;

buffer hole 53 has all been seted up on the relative surface of two guide rails 5, a plurality of buffer holes 53 all are straightway linear arrangement on the surface of guide rail 5, the inner wall threaded connection of buffer hole 53 has bulb plunger 54, bulb surface of bulb plunger 54 exceeds the drill way of buffer hole 53, locating hole 55 has been seted up to the slip inner wall of slider 52, the inner wall of locating hole 55 is pegged graft with bulb surface sliding of bulb plunger 54, furthermore, set up a plurality of buffer holes 53, and the inside threaded connection bulb plunger 54 of buffer hole 53, when elevating system accident damage takes place, when platform 4 perpendicular downward rapid movement, locating hole 55 is pegged graft through bulb surface of a plurality of bulb plungers 54, play the damping resistance, and be convenient for after the buffering deceleration through the effect of bulb extrusion locating hole 55 location of bulb plunger 54, prevent that direct decline leads to the effect of damaging.

Reached elevating system damage under emergency through setting up direction buffer gear, lead to platform 4 quick downstream and thus drive the slider 52 at both ends and slide downwards in the surface of guide rail 5, the inner wall of bulb surface grafting locating hole 55 through the inside bulb plunger 54 of buffer hole 53, produce the damping resistance, make platform 4 downstream slow, bulb surface joint through bulb plunger 54 after decurrent buffer force reduces is at locating hole 55 inside location, avoided current not have buffer gear to lead to dropping the damage, the poor effect of protectiveness.

The working principle is as follows: during lifting and adjusting, the driving motor 35 is controlled to work, the belt wheel screw 36 rotates, the lifting pipe 37 is driven to move upwards under the condition that the inner wall of the first lifting cavity 31 is in a square shape and the lifting pipe 37 is in threaded connection, the lifting push plate is driven to move upwards to extrude the air pressure in the first lifting cavity 31 and the second lifting cavity 32, the air pressure in the inner part is increased, the air pressure is controlled to extrude the lifting motion block 310 to move upwards, the lifting rod 3 is driven to move upwards to be lifted, and the lifting motion block 310 extrudes the spring 312 to generate elasticity while being lifted;

when the lifting adjustment is needed, the driving motor 35 is controlled to rotate reversely to drive the lifting pipe 37 to move downwards, so that the lifting push plate is controlled to move downwards, the space of the first lifting cavity 31 is controlled to be increased, the air pressure in the first lifting cavity 31 and the second lifting cavity 32 is controlled to be reduced, and when the air pressure is smaller than the elastic force of the spring 312, the elastic force of the spring 312 pushes the lifting motion block 310 to move downwards to drive the lifting rod 3 to contract downwards.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a 3D printer shaping platform elevation structure, includes bottom plate (1), its characterized in that: the center of the top of the bottom plate (1) is fixedly connected with a lifting seat (2), a lifting mechanism is arranged inside the lifting seat (2), the lifting mechanism comprises a lifting rod (3), the arc surface of the lifting rod (3) is in sliding insertion connection with the surface of the top of the lifting seat (2), the top of the lifting rod (3) is fixedly connected with a platform (4), and the lifting mechanism is used for driving the platform (4) to move up and down for adjustment;

the top both ends surface of bottom plate (1) is provided with direction buffer gear, direction buffer gear is used for control platform (4) proruption to descend the buffering, direction buffer gear is including guide rail (5), the bottom of guide rail (5) and the top fixed connection of bottom plate (1).

2. The 3D printer forming platform lifting structure of claim 1, wherein: first lift chamber (31) and second lift chamber (32) have been seted up respectively to the inside of lift seat (2), the fixed intercommunication of interior roof in first lift chamber (31) and second lift chamber (32), the fixed intercommunication of top inside wall in first lift chamber (31) has regulation pneumatic tube (33), the surface of adjusting pneumatic tube (33) is provided with pneumatic valve (34).

3. The 3D printer forming platform lifting structure of claim 2, wherein: the inner wall in first lift chamber (31) is square shape, the interior diapire fixed mounting in first lift chamber (31) has driving motor (35), the output shaft of driving motor (35) passes through shaft coupling fixedly connected with screw rod (36), the threaded connection of screw rod (36) has fall way (37).

4. The 3D printer forming platform lifting structure of claim 3, wherein: the top fixedly connected with lift ejector pad (38) of fall way (37), the surface of lift ejector pad (38) is square shape, the fixed surface of lift ejector pad (38) is connected with the sealed pad of lift (39), the surface of the sealed pad of lift (39) is pegged graft with the inner wall slip of first lift chamber (31).

5. The 3D printer forming platform lifting structure of claim 2, wherein: the bottom of lifter (3) runs through and extends to the inside in second lift chamber (32), the inner wall in second lift chamber (32) is the cylinder shape, the bottom fixedly connected with lift motion piece (310) of lifter (3), the fixed surface of lift motion piece (310) is connected with lift sealing washer (311), the surface of lift sealing washer (311) is pegged graft with the inner wall slip in second lift chamber (32), spring (312) has been cup jointed in the circular arc surface activity of lifter (3), the one end of spring (312) and the interior roof fixed connection in second lift chamber (32), the other end of spring (312) and the top fixed connection of lift motion piece (310).

6. The 3D printer forming platform lifting structure of claim 1, wherein: the bottom surface of the guide rail (5) is fixedly connected with a right-angle reinforcing plate (51), the bottom end of the right-angle reinforcing plate (51) is fixedly connected with the upper surface of the bottom plate (1), the surface of the guide rail (5) is inserted with sliding blocks (52) in a sliding mode, and the opposite surfaces of the two sliding blocks (52) are fixedly connected with the two end surfaces of the platform (4) respectively.

7. The 3D printer forming platform lifting structure of claim 6, wherein: buffer holes (53) are formed in the opposite surfaces of the two guide rails (5), the buffer holes (53) are linearly arranged in a straight line section on the surface of each guide rail (5), a ball plunger (54) is connected to the inner wall of each buffer hole (53) in a threaded mode, the ball surface of each ball plunger (54) is higher than the hole opening of each buffer hole (53), a positioning hole (55) is formed in the sliding inner wall of the sliding block (52), and the inner wall of each positioning hole (55) is connected with the ball surface of each ball plunger (54) in a sliding mode in an inserting mode.