CN113290853B

CN113290853B - 3D printer lens hood structure that can optional position is fixed

Info

Publication number: CN113290853B
Application number: CN202110385863.5A
Authority: CN
Inventors: 赵海英
Original assignee: Dongguan Lipai Biotechnology Co ltd
Current assignee: Dongguan Lipai Biotechnology Co ltd
Priority date: 2021-04-11
Filing date: 2021-04-11
Publication date: 2022-12-20
Anticipated expiration: 2041-04-11
Also published as: CN113290853A

Abstract

The invention discloses a 3D printer light shield structure capable of being fixed at any position, which comprises a base, wherein the top wall of the base is symmetrically and fixedly connected with two threaded rods through a pair of bearings, the base is also vertically provided with a pair of installation blocks, installation cavities are formed in the installation blocks, the two installation blocks are respectively sleeved on the two threaded rods, the two threaded rods are respectively positioned in the two installation cavities, a light shield is fixedly connected between the tops of the two installation blocks, a plurality of dust blowing components are arranged on one side close to each other, and a rotating cavity is formed in the base.

Description

3D printer lens hood structure that can optional position fix

Technical Field

The invention relates to the technical field of 3D printers, in particular to a 3D printer light shield structure capable of being fixed at any position.

Background

Photocuring 3D printer is a novel simple and easy 3D printer, and the material of use is photocuring resin, if expose for a long time under the sunlight, can reduce the life-span, consequently needs the shading structure to protect.

Current printer light-shielding structure uses a shelf to put around the printer usually, then place the light screen at the shelf top, though can play the purpose of protection printer like this, but the height of light screen can not be adjusted when the user uses to such protective housing, for example when the user need observe the printer top, can block user's sight, and general light-shielding structure does not have the function of removing dust for the printer, therefore when accumulational dust is many on the printer, when the user need clear up printer surface dust, the light screen then can influence the user and clear up the dust, the dust is not cleared up, then probably influence the printer during operation radiating effect not good, thereby lead to the printer to damage easily.

Disclosure of Invention

The invention aims to solve the following defects in the prior art that the height of a light shielding plate cannot be adjusted by the existing light shielding structure of a printer, and the light shielding structure does not have a function of removing dust for the printer, and provides a 3D printer light shielding cover structure capable of being fixed at any position.

In order to achieve the purpose, the invention adopts the following technical scheme:

A3D printer light shield structure capable of being fixed at any position comprises a base, wherein two threaded rods are symmetrically and fixedly connected to the top wall of the base through a pair of bearings, a pair of installation blocks are vertically arranged on the base, installation cavities are formed in the installation blocks, the two installation blocks are respectively sleeved on the two threaded rods, the two threaded rods are respectively located in the two installation cavities, a light shielding plate is fixedly connected between the tops of the two installation blocks, a plurality of dust blowing components are arranged on one side close to each other, a rotating cavity is formed in the base, the bottoms of the two threaded rods penetrate into the rotating cavity, and a driving component for driving the two threaded rods to rotate is arranged in the rotating cavity;

the driving part comprises a rotating rod, the rotating rod is horizontally and rotatably installed in the rotating cavity, and the rotating rod is respectively and rotatably connected with the two threaded rods through two pairs of 90-degree turning gear sets.

The 90-degree change gear set comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly sleeved on the rotating rod, the second bevel gear is fixedly connected to the lower end of the threaded rod, and the first bevel gear is meshed with the second bevel gear.

Preferably, a pair of limiting cavities is symmetrically formed in the mounting block, the two limiting cavities are located on two sides of the mounting cavity, guide rods are connected in the limiting cavities in a sliding mode, and the lower ends of the guide rods are fixedly connected with the base.

Preferably, blow the dirt part and include the montant, montant bottom and base fixed connection, and offered perpendicularly and extrude the groove, sealed sliding connection has the extrusion post in the extrusion groove, extrusion post upper end and light screen diapire fixed connection, two the gas outlet has all been seted up to a lateral wall bottom that the montant is close to each other, fixed mounting has the pressure valve in the gas outlet, and the suction hole has all been seted up to the one side of keeping away from each other, fixed mounting has the check valve of admitting air in the suction hole.

Preferably, a sliding opening is horizontally formed in the middle of the shading plate, a sliding block is embedded in the sliding opening in a sliding mode, a reset component used for resetting the sliding block is arranged at one end of the sliding opening, and a scraping plate is fixedly connected to the lower end of the sliding block.

Preferably, the two side walls of the sliding opening are provided with limit grooves, the limit grooves are connected with fixture blocks in a sliding mode, and one end faces, close to each other, of the two fixture blocks are fixedly connected with the two side walls of the sliding block respectively.

Preferably, the lower end face of the scraper is fixedly connected with an ash removal pad, and the ash removal pad is made of sponge materials.

Preferably, one end of the rotating rod penetrates out of the rotating cavity, the rotating handle is fixedly connected with the rotating rod, an anti-skidding sleeve is arranged on the rotating handle in a fixing sleeve, and the anti-skidding sleeve is made of rubber materials.

Preferably, the reset component comprises an elastic rope, one end of the elastic rope is fixedly connected with one end wall of the sliding opening, and the other end of the elastic rope is fixedly connected with the side wall of the sliding block.

Preferably, be equipped with the stopper in the installation cavity, stopper fixed connection is in the upper end of threaded rod, the basal area of stopper is greater than the cross sectional area of threaded rod.

Compared with the prior art, the invention has the beneficial effects that:

1. when using the device, firstly when the height of light screen is adjusted to needs, the user is through rotating the bull stick, thereby first bevel gear that fixed cover was established on the bull stick drives the second bevel gear and rotates, second bevel gear drives the threaded rod and rotates, because the threaded rod passes through the bearing to be fixed on the pedestal roof, therefore the threaded rod only can rotate, can not the vertical direction's removal, because threaded rod threaded sleeve is equipped with the installation piece, and connect through the light screen between two installation pieces, thereby, when the threaded rod pivoted, two installation pieces can not follow the rotation, reverse removal about can only taking place, thereby the light screen reciprocates with two installation pieces, consequently, rotate the bull stick through the control, can control reciprocating of light screen, the effect of the fixed light screen of optional position has been reached.

2. When the light screen reciprocates, a plurality of extrusion posts fixedly connected to the lower end face of the light screen also move up and down along with the light screen, because the sealed sliding connection of the extrusion posts is in the extrusion groove formed on the vertical rod, and the bottom of the extrusion groove is provided with an air inlet and an air outlet, and an air inlet check valve is installed in the air inlet, and a pressure valve is fixedly installed in the air outlet, so that when the extrusion posts move up, because the pressure in the extrusion groove is reduced, the air inlet check valve is opened, so that the gas enters the extrusion groove, when the extrusion posts move down, the air inlet check valve is closed, because the pressure in the extrusion groove is increased along with the downward movement of the extrusion posts, so that the pressure reaches a certain value, the pressure valve is opened, so that the gas in the extrusion groove is discharged in an airflow shape, the air flow blows on the side wall of the printer, on the one hand, the effect of heat dissipation is performed on the side wall of the printer, on the one hand, the dust on the other hand, the two sides of the printer is blown away by the air flow, and a sliding port is formed in the middle of the light screen, a user can clean dust on the top of the printer can be cleaned by pulling the scraper blade of the printer, and clean dust blowing component and the clean dust of the printer can be ensured by the cooperation of the dust blowing component.

Drawings

Fig. 1 is a schematic front sectional structural view of a 3D printer light shield structure that can be fixed at any position according to the present invention;

fig. 2 is a schematic left-side view structural diagram of a part of a 3D printer light shield structure capable of being fixed at any position according to the present invention;

FIG. 3 is a schematic view of a top view of a light shielding plate of a 3D printer light shielding cover structure capable of being fixed at any position according to the present invention;

fig. 4 is a partially enlarged structural diagram of a in fig. 1.

In the figure: the device comprises a base 1, a threaded rod 2, a bearing 3, a mounting block 4, a mounting cavity 5, a light screen 6, a rotating cavity 7, a rotating rod 8, a first bevel gear 9, a second bevel gear 10, a limiting cavity 11, a guide rod 12, a vertical rod 13, an extrusion column 14, an extrusion groove 15, an air inlet check valve 16, a pressure valve 17, a sliding opening 18, a sliding block 19, a scraping plate 20, a limiting groove 21, a clamping block 22, an elastic rope 23 and a limiting block 24.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, a 3D printer light shield structure capable of being fixed at any position comprises a base 1, the top wall of the base 1 is symmetrically and fixedly connected with two threaded rods 2 through a pair of bearings 3, so that the two threaded rods 2 can rotate while being fixed on the base 1, the base 1 is also vertically provided with a pair of mounting blocks 4, mounting cavities 5 are arranged in the mounting blocks 4, the two mounting blocks 4 are respectively sleeved on the two threaded rods 2, the two threaded rods 2 are respectively positioned in the two mounting cavities 5, a light shielding plate 6 is fixedly connected between the tops of the two mounting blocks 4, the light shielding plate 6 plays a light shielding effect on one hand, on the other hand, the two mounting blocks 4 can be connected together, so that when the threaded rods 2 are rotated, the two mounting blocks 4 can not rotate, so that the two mounting blocks 4 can move upwards, and further the height of the light shielding plate 6 can be adjusted by rotating the threaded rods 2, and one side close to each other is provided with a plurality of dust blowing components, each dust blowing component comprises a vertical rod 13, the bottom of each vertical rod 13 is fixedly connected with the base 1 and is vertically provided with an extrusion groove 15, the extrusion grooves 15 are internally and hermetically and slidably connected with extrusion columns 14, the upper ends of the extrusion columns 14 are fixedly connected with the bottom wall of the light screen 6, so that the extrusion columns 14 can move up and down along with the light screen 6, further the pressure inside the extrusion grooves 15 can be changed, the bottom of one side wall close to each other of the two vertical rods 13 is provided with an air outlet, a pressure valve 17 is fixedly arranged in the air outlet, the pressure valve 17 can be opened after the pressure inside the extrusion grooves 15 is increased to a certain value, thus the air inside the extrusion grooves 15 is discharged, one side far away from each other is provided with an air suction hole, and an air inlet one-way valve 16 is fixedly arranged in the air suction hole, the air inlet one-way valve 16 only can supply air, so that when air is discharged, air is prevented from being discharged from the air inlet, the dust blowing component can blow dust on two sides of the printer, a large amount of dust is prevented from being accumulated on two sides of the printer, heat can be dissipated to two sides of the printer at regular time by blowing the dust, the base 1 is internally provided with a rotating cavity 7, the bottoms of the two threaded rods 2 penetrate into the rotating cavity 7, a driving component for driving the two threaded rods 2 to rotate is arranged in the rotating cavity 7, and the driving component is used for driving the two threaded rods 2 to rotate;

the driving part comprises a rotating rod 8, the rotating rod 8 is horizontally and rotatably installed in the rotating cavity 7, the rotating rod 8 is respectively and rotatably connected with the two threaded rods 2 through two pairs of 90-degree turning gear sets, and the two threaded rods 2 are driven to rotate when the rotating rod 8 rotates by using the 90-degree turning gear sets;

the 90-degree change gear set comprises a first bevel gear 9 and a second bevel gear 10, the first bevel gear 9 is fixedly sleeved on the rotating rod 8, the second bevel gear 10 is fixedly connected to the lower end of the threaded rod 2, the first bevel gear 9 is meshed with the second bevel gear 10, and the first bevel gear 9 and the second bevel gear 10 can drive the two threaded rods 2 to rotate when the rotating rod 8 rotates.

In the invention, when the device is used and the height of the shading plate 6 needs to be adjusted, a user rotates the rotating rod 8, so that the first bevel gear 9 fixedly sleeved on the rotating rod 8 drives the second bevel gear 10 to rotate, the second bevel gear 10 drives the threaded rod 2 to rotate, the threaded rod 2 is fixed on the top wall of the base 1 through the bearing 3, the threaded rod 2 can only rotate and cannot move in the vertical direction, the threaded rod 2 is sleeved with the mounting blocks 4 in a threaded manner, and the two mounting blocks 4 are connected through the shading plate 6, so that when the threaded rod 2 rotates, the two mounting blocks 4 cannot rotate along with the rotation, only the up-and-down movement can occur, the shading plate 6 can only move up and down along with the two mounting blocks 4, the up-and-down movement of the shading plate 6 can be controlled by controlling the rotating rod 8 to rotate, and therefore, different turns of the rotating rod 8 are rotated, the shading plate 6 can be lifted to different heights, and then when the rotating rod 8 stops rotating, the shading plate 6 can be fixed at any height, thereby the effect of fixing the shading plate 6 at any height position is achieved by rotating the rotating rod 8, when the shading plate 6 moves up and down, a plurality of extrusion columns 14 fixedly connected with the lower end surface of the shading plate 6 also move up and down along with the shading plate 6, because the extrusion columns 14 are in sealing sliding connection in extrusion grooves 15 formed on vertical rods 13, the bottoms of the extrusion grooves 15 are provided with air inlets and air outlets, air inlet check valves 16 are arranged in the air inlets, and pressure valves 17 are fixedly arranged in the air outlets, thereby when the extrusion columns 14 move up, because the pressure in the extrusion grooves 15 is reduced, the air inlet check valves 16 are opened, thereby the air enters the extrusion grooves 15, when the extrusion columns 14 move down, the check valve 16 that admits air closes, because the pressure in the extrusion groove 15 moves the increase down along with the extrusion post 14, thereby pressure reaches certain numerical value after, pressure valve 17 opens, thereby the gas in the extrusion groove 15 is the gas current form and discharges, and the air current that advances blows on the lateral wall of printer, plays on the one hand and carries out radiating effect to the printer lateral wall, and the dust of printer both sides has been blown away to the air current on the one hand, makes the dust can not pile up in the both sides of printer, has guaranteed the clean and tidy of printer.

According to the preferable technical scheme in the embodiment, the mounting block 4 is symmetrically provided with a pair of limiting cavities 11, the two limiting cavities 11 are located on two sides of the mounting cavity 5, the limiting cavities 11 are internally and slidably connected with guide rods 12, the lower ends of the guide rods 12 are fixedly connected with the base 1, and the guide rods 12 and the limiting cavities 11 also play a role in preventing the mounting block 4 from rotating.

Preferred technical scheme in this embodiment, smooth mouthful 18 has been seted up to light screen 6 middle part level, and sliding fit is equipped with slider 19 in smooth mouthful 18, and one end is equipped with the reset unit that is used for slider 19 to reset, and slider 19 lower extreme fixedly connected with scraper blade 20, when light screen 6 down moved to when scraper blade 20 and printer roof contact, the user can lead to pulling slider 19 and remove scraper blade 20, cleans the dust at printer top.

According to the preferable technical scheme in the embodiment, the two side walls of the sliding opening 18 are provided with the limiting grooves 21, the limiting grooves 21 are internally and slidably connected with the clamping blocks 22, one end face, close to each other, of each of the two clamping blocks 22 is fixedly connected with the two side walls of the sliding block 19, and the clamping blocks 22 and the limiting grooves 21 fix the sliding block 19 in the sliding opening 18, so that the sliding block 19 cannot fall out of the sliding opening 18.

According to the technical scheme, the dust removing pad is fixedly connected to the lower end face of the scraper 20 and made of sponge materials, and the sponge is relatively soft, so that the dust removing pad cannot scratch the shell of the printer when the scraper 20 removes dust from the top wall of the printer.

According to the technical scheme, the rotating cavity 7 is penetrated out of one end of the rotating rod 8, the handle is fixedly connected with the rotating rod, the fixed sleeve is provided with the anti-skidding sleeve, the anti-skidding sleeve is made of rubber materials, the rotating rod 8 is rotated by an convenience user, and the anti-skidding sleeve prevents the phenomenon of skidding when the user rotates the rotating rod.

In the preferred technical scheme in this embodiment, the reset component includes the elastic rope 23, one end of the elastic rope 23 is fixedly connected with one end wall of the sliding opening 18, and the other end of the elastic rope is fixedly connected with the side wall of the sliding block 19, the elastic rope 23 has good contractibility and is small in size, so that after a user pulls the sliding block 19 and loosens the sliding block 19, the sliding block 19 can be reset under the elastic force of the elastic rope 23.

According to the preferable technical scheme in the embodiment, the limiting block 24 is arranged in the installation cavity 5, the limiting block 24 is fixedly connected to the upper end of the threaded rod 2, the bottom area of the limiting block 24 is larger than the cross sectional area of the threaded rod 2, the limiting block 24 prevents the threaded rod 2 from rotating, and when the installation block 4 rises, the installation block 4 is separated from the threaded rod 2.

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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The 3D printer light shield structure capable of being fixed at any position comprises a base (1) and is characterized in that the top wall of the base (1) is symmetrically and fixedly connected with two threaded rods (2) through a pair of bearings (3), the base (1) is also vertically provided with a pair of mounting blocks (4), mounting cavities (5) are formed in the mounting blocks (4), the two mounting blocks (4) are respectively sleeved on the two threaded rods (2), the two threaded rods (2) are respectively positioned in the two mounting cavities (5), a light shielding plate (6) is fixedly connected between the tops of the two mounting blocks (4), one side close to each other is provided with a plurality of dust blowing components, a rotating cavity (7) is formed in the base (1), the bottoms of the two threaded rods (2) penetrate into the rotating cavity (7), and a driving component for driving the two threaded rods (2) to rotate is arranged in the rotating cavity (7);

the driving part comprises a rotating rod (8), the rotating rod (8) is horizontally and rotatably installed in the rotating cavity (7), and the rotating rod (8) is respectively and rotatably connected with the two threaded rods (2) through two pairs of 90-degree change gear sets;

the 90-degree change gear set comprises a first bevel gear (9) and a second bevel gear (10), the first bevel gear (9) is fixedly sleeved on the rotating rod (8), the second bevel gear (10) is fixedly connected to the lower end of the threaded rod (2), and the first bevel gear (9) is meshed with the second bevel gear (10);

the dust blowing component comprises a vertical rod (13), the bottom of the vertical rod (13) is fixedly connected with the base (1), an extrusion groove (15) is vertically formed in the vertical rod, an extrusion column (14) is connected in the extrusion groove (15) in a sealing and sliding mode, the upper end of the extrusion column (14) is fixedly connected with the bottom wall of the light screen (6), the bottoms of the side walls, close to each other, of the two vertical rods (13) are respectively provided with an air outlet, a pressure valve (17) is fixedly installed in the air outlet, one side, far away from each other, of each air inlet is respectively provided with an air suction hole, and an air inlet one-way valve (16) is fixedly installed in each air suction hole;

a sliding opening (18) is horizontally formed in the middle of the shading plate (6), a sliding block (19) is embedded in the sliding opening (18) in a sliding mode, a reset component used for resetting the sliding block (19) is arranged at one end of the sliding opening (18), and a scraping plate (20) is fixedly connected to the lower end of the sliding block (19);

two side walls of the sliding opening (18) are respectively provided with a limiting groove (21), the limiting grooves (21) are connected with clamping blocks (22) in a sliding mode, and one end faces, close to each other, of the two clamping blocks (22) are fixedly connected with two side walls of the sliding block (19) respectively;

the lower end face of the scraper (20) is fixedly connected with an ash removal pad, and the ash removal pad is made of sponge materials;

the reset component comprises an elastic rope (23), one end of the elastic rope (23) is fixedly connected with one end wall of the sliding opening (18), and the other end of the elastic rope is fixedly connected with the side wall of the sliding block (19).

2. The 3D printer light shield structure capable of being fixed at any position according to claim 1, wherein a pair of limiting cavities (11) is symmetrically formed in the mounting block (4), the two limiting cavities (11) are located on two sides of the mounting cavity (5), guide rods (12) are connected in the limiting cavities (11) in a sliding mode, and the lower ends of the guide rods (12) are fixedly connected with the base (1).

3. The 3D printer light shield structure capable of being fixed at any position according to claim 1, wherein one end of the rotating rod (8) penetrates through the rotating cavity (7) and is fixedly connected with a rotating handle, the rotating handle is fixedly sleeved with an anti-skidding sleeve, and the anti-skidding sleeve is made of rubber.

4. The 3D printer light shield structure capable of being fixed at any position according to claim 1, wherein a limiting block (24) is arranged in the installation cavity (5), the limiting block (24) is fixedly connected to the upper end of the threaded rod (2), and the bottom area of the limiting block (24) is larger than the cross-sectional area of the threaded rod (2).