CN219727217U - Powder device is spread to 3D printer scraper - Google Patents

Abstract

The utility model belongs to the technical field of 3D printers, in particular to a 3D printer scraper powder paving device, which comprises a scraper body, wherein a plurality of grooves are formed in the side wall of the scraper body; the grooves are uniformly distributed on the side wall of the scraper body; when using, when the rubber pad is in the in-process of spreading the powder, at this moment under the effect of first spring, thereby promote the direction of rubber pad to the workstation, can drive the scraper blade simultaneously and descend, can scrape the dust of adhesion on the recess lateral wall, this in-process, thereby reduce the in-process of tradition well rubber pad at spreading the powder, lead to the rubber pad to make a round trip friction and cause wearing and tearing, make its distance between with the workstation increase, thereby cause certain influence to the effect of spreading the powder, promote the rubber pad to one side of workstation through first spring this moment, and then increase the abundant contact between rubber pad and the workstation, scrape the dust that gets into on the recess lateral wall through the scraper blade simultaneously, and then increase the cleaning action to the dust on the recess lateral wall.

Description

Powder device is spread to 3D printer scraper

Technical Field

The utility model belongs to the technical field of 3D printers, and particularly relates to a 3D printer scraper powder paving device.

Background

The 3D printer is also called a three-dimensional printer, which is a process device capable of being rapidly formed, and the 3D printer is often applied to medical and industrial design.

In the prior art, the 3D printer mainly comprises a machine body and a scraper, wherein in the use process, after specified data is input through a control machine body, the 3D printer is started, the model can be printed, meanwhile, a layer of powder is printed firstly during printing, and then after a layer of powder is paved through repeated movement of the scraper, the step is repeated to print.

However, in the prior art, the rubber pad is fixedly connected to the bottom of the scraper in order to reduce abrasion to the scraper, but the rubber pad is abraded and thinned in the long-time powder paving process, so that gaps between the rubber pad and the bottom plate are larger and larger, and the powder paving effect is affected to a certain extent.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a 3D printer scraper powder paving device, which comprises a scraper body, wherein a plurality of grooves are formed in the side wall of the scraper body; the grooves are uniformly distributed on the side wall of the scraper body; the side wall of the groove is fixedly connected with a first telescopic rod; the side wall of the first telescopic rod is fixedly connected with a first spring; the first telescopic rod and the end part of the first spring are fixedly connected with one connecting rod; the side wall of the connecting rod is fixedly connected with a plurality of fixing frames; the fixing frames are uniformly distributed on the side wall of the connecting rod; the end parts of the fixing frames are fixedly connected with the same scraping plate; the end parts of the connecting rods are fixedly connected with the same mounting seat; a rubber pad is arranged at the bottom of the mounting seat; at this time, the rubber pad is pushed to one side of the workbench through the first spring, so that the sufficient contact between the rubber pad and the workbench is increased, meanwhile, dust entering the side wall of the groove is scraped off through the scraping plate, and the cleaning effect on the dust on the side wall of the groove is increased.

Preferably, a pair of sliding grooves are formed in the bottom of the mounting seat; the sliding grooves are symmetrically arranged on two sides of the mounting seat; a pair of second springs are fixedly connected to the side wall of the chute; the pair of second springs are symmetrically arranged at two sides of the chute; the end part of the second spring is fixedly connected with an inserting block; a pull rod is fixedly connected to the side wall of the insert block; the pull rod penetrates through the wall body of the mounting seat and is connected with the wall body in a sliding manner; a pair of sliding blocks are fixedly connected to the side wall of the rubber pad; the pair of sliding blocks are symmetrically arranged on two sides of the rubber pad; a pair of slots are formed in the side wall of the sliding block; the slots are symmetrically arranged on two sides of the sliding block; at this time, the convenience of the rubber pad during disassembly and replacement is improved through the sliding fit of the sliding block and the sliding groove.

Preferably, the side wall of the scraper body is fixedly connected with a plurality of fixing blocks; the fixed blocks are uniformly distributed on the side wall of the scraper body; the bottom of the fixed block is fixedly connected with a second telescopic rod; the end parts of the second telescopic rods are fixedly connected with the same protection plate; the protection plate is fixedly connected with the mounting seat; at this time, the gap between the scraper body and the mounting seat is blocked by the protection plate, so that the protection effect on the groove is improved.

Preferably, a pair of clamping grooves are formed in the side wall of the mounting seat; the clamping grooves are symmetrically arranged on two sides of the mounting seat; the side wall of the clamping groove is fixedly connected with a first magnetic block; the side wall of the rubber pad is hinged with a pair of clamping blocks; the pair of clamping blocks are symmetrically arranged on two sides of the rubber pad; the end part of the clamping block is fixedly connected with a second magnetic block; the first magnetic block is magnetically connected with the second magnetic block; at this time, the clamping blocks at the two sides are clamped into the side walls of the clamping grooves, so that the fixing effect of the rubber pad on the side walls of the mounting seat is improved.

Preferably, the side wall of the mounting seat is fixedly connected with a plurality of brackets; the brackets are uniformly distributed on the side wall of the mounting seat; a limiting plate is fixedly connected to the end part of the bracket; at this time, the limiting plates on the two sides are used for blocking the rubber pad, so that the limiting effect of the rubber pad in butt joint with the mounting seat is increased.

Preferably, the side wall of the clamping block is fixedly connected with a pressing plate; the side wall of the pressing plate is fixedly connected with a first rubber block; at this time, the finger is placed on the side wall of the pressing plate and pressed, so that convenience in pulling the clamping block open is improved.

The beneficial effects of the utility model are as follows:

1. according to the 3D printer scraper powder spreading device, the first springs are arranged, so that abrasion caused by back and forth friction of the rubber pad in the powder spreading process of the traditional rubber pad is reduced, the distance between the rubber pad and the workbench is increased, the powder spreading effect is affected to a certain extent, the rubber pad is pushed to one side of the workbench through the first springs, sufficient contact between the rubber pad and the workbench is further increased, dust entering the side wall of the groove is scraped through the scraping plate, and the cleaning effect on the dust on the side wall of the groove is further increased.

2. According to the 3D printer scraper powder paving device, through the arranged sliding grooves, the rubber pad is severely worn in the long-time use process, the rubber pad is difficult to detach and replace, and convenience in detachment and replacement of the rubber pad is further improved through sliding fit of the sliding blocks and the sliding grooves.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of a second telescopic rod according to the present utility model;

FIG. 3 is a schematic view of a second spring according to the present utility model;

FIG. 4 is a schematic view of the structure of the groove in the present utility model;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a schematic structural view of the connecting rod in the present utility model.

In the figure: 1. a scraper body; 11. a groove; 12. a first telescopic rod; 13. a first spring; 14. a connecting rod; 15. a fixing frame; 16. a scraper; 17. a mounting base; 18. a rubber pad; 2. a chute; 21. a second spring; 22. inserting blocks; 23. a pull rod; 24. a slide block; 25. a slot; 3. a fixed block; 31. a second telescopic rod; 32. a protection plate; 4. a clamping groove; 41. a first magnetic block; 42. a clamping block; 43. a second magnetic block; 5. a bracket; 51. a limiting plate; 6. a pressing plate; 61. a first rubber block; 7. and a second rubber block.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 6, the doctor powder spreading device of the 3D printer according to the embodiment of the utility model comprises a doctor body 1, wherein a plurality of grooves 11 are formed in the side wall of the doctor body 1; the grooves 11 are uniformly distributed on the side wall of the scraper body 1; the side wall of the groove 11 is fixedly connected with a first telescopic rod 12; the side wall of the first telescopic rod 12 is fixedly connected with a first spring 13; the first telescopic rod 12 and the end part of the first spring 13 are fixedly connected with one connecting rod 14; a plurality of fixing frames 15 are fixedly connected to the side wall of the connecting rod 14; the fixing frames 15 are uniformly distributed on the side wall of the connecting rod 14; the end part of the fixed frame 15 is fixedly connected with the same scraping plate 16; the end parts of the connecting rods 14 are fixedly connected with the same mounting seat 17; a rubber pad 18 is arranged at the bottom of the mounting seat 17; when the novel dust remover is used, when the rubber pad 18 is worn out in the process of laying the dust, the rubber pad 18 can be worn out due to friction, the distance between the rubber pad 18 and the workbench can be continuously increased, at the moment, under the action of the first spring 13, certain acting force can be applied to the connecting rod 14 to squeeze the rubber pad 18, the first telescopic rod 12 can stretch and retract to push the rubber pad 18 to the direction of the workbench, the rubber pad 18 is fully contacted with the workbench, meanwhile, part of dust can enter the side wall of the groove 11 in the process of laying the dust by the rubber pad 18, adhesion is caused on the side wall of the groove 11, at the moment, along with the continuous descending of the connecting rod 14 pushed by the first spring 13, the scraper 16 can be driven to descend, dust adhered on the side wall of the groove 11 can be scraped off under the action of the scraper 16, in the process, thereby reducing the abrasion caused by the rubber pad 18 in the process of laying the dust in a traditional way, increasing the distance between the rubber pad 18 and the workbench, further causing a certain influence on the effect of laying the dust, pushing the rubber pad 18 to one side of the workbench through the first spring 13, and further increasing the dust can enter the side wall of the groove 11 through the scraper blade, and the dust can be fully scraped off by the side wall 11.

As shown in fig. 2 and 3, a pair of sliding grooves 2 are formed in the bottom of the mounting seat 17; the pair of sliding grooves 2 are symmetrically arranged at two sides of the mounting seat 17; a pair of second springs 21 are fixedly connected to the side wall of the chute 2; the pair of second springs 21 are symmetrically arranged at two sides of the chute 2; the end part of the second spring 21 is fixedly connected with an inserting block 22; the side wall of the insertion block 22 is fixedly connected with a pull rod 23; the pull rod 23 penetrates through the wall body of the mounting seat 17 and is connected with the wall body in a sliding manner; a pair of sliding blocks 24 are fixedly connected to the side walls of the rubber pad 18; a pair of sliding blocks 24 are symmetrically arranged at two sides of the rubber pad 18; a pair of slots 25 are formed in the side wall of the sliding block 24; the pair of slots 25 are symmetrically arranged on two sides of the sliding block 24; when the rubber pad 18 is used, the rubber pad 18 is held by a worker, the rubber pad 18 is aligned with the mounting seat 17, a certain acting force is applied, the sliding block 24 is pressed into the side wall of the sliding groove 2, the sliding block 24 can extrude the sliding block 22, the second spring 21 can perform telescopic motion under the action of extrusion, the sliding block 22 is extruded into the side wall of the sliding groove 2, after the sliding block 24 is completely pressed into the side wall of the sliding groove 2, the sliding block 22 can correspond to the position of the slot 25 at the moment, under the elastic action of the second spring 21, the sliding block 22 can be sprung into the side wall of the slot 25, so that the rubber pad 18 is fixed, when the rubber pad 18 needs to be dismounted, the pull rod 23 is pulled, the sliding block 22 is pulled out from the side wall of the slot 25, and then the rubber pad 18 is dismounted from the side wall of the mounting seat 17.

As shown in fig. 1 and 2, the side wall of the scraper body 1 is fixedly connected with a plurality of fixing blocks 3; the fixed blocks 3 are uniformly distributed on the side wall of the scraper body 1; the bottom of the fixed block 3 is fixedly connected with a second telescopic rod 31; the end part of the second telescopic rod 31 is fixedly connected with the same protection plate 32; the protection plate 32 is fixedly connected with the mounting seat 17; when the novel scraper blade is used, when the first spring 13 pushes the mounting seat 17 to descend, the mounting seat 17 pulls the protection plate 32 to descend, the protection plate 32 slides on the side wall of the scraper blade body 1, the second telescopic rod 31 stretches out and draws back, the dust can be blocked in a gap between the scraper blade body 1 and the mounting seat 17 under the action of the protection plate 32, and the dust is blocked in the process, so that the rubber pad 18 is lowered in the powder laying process, partial dust is caused to enter the side wall of the groove 11, and is accumulated on the side wall of the groove 11, so that the normal movement of the first telescopic rod 12 is influenced to a certain extent, and the protection effect on the groove 11 is further improved by blocking the gap between the scraper blade body 1 and the mounting seat 17 through the protection plate 32.

As shown in fig. 2 and 5, a pair of clamping grooves 4 are formed in the side wall of the mounting seat 17; the clamping grooves 4 are symmetrically arranged on two sides of the mounting seat 17; the side wall of the clamping groove 4 is fixedly connected with a first magnetic block 41; a pair of clamping blocks 42 are hinged to the side wall of the rubber pad 18; the pair of clamping blocks 42 are symmetrically arranged at two sides of the rubber pad 18; the end part of the clamping block 42 is fixedly connected with a second magnetic block 43; the first magnetic block 41 is magnetically connected with the second magnetic block 43; when the automatic rubber cushion mounting device is used, firstly, a worker holds the clamping blocks 42 on two sides and applies a certain acting force to pull the clamping blocks 42 open, then the rubber cushion 18 is mounted on the side wall of the mounting seat 17, at the moment, the clamping blocks 42 are butted with the positions of the clamping grooves 4, then the clamping blocks 42 are loosened, under the action of torsion springs in the hinging positions, the clamping blocks 42 can be automatically restored and inserted into the side wall of the clamping grooves 4, at the moment, the first magnetic blocks 41 and the second magnetic blocks 43 are mutually close to each other, so that a suction effect is generated, in the process, the fixing effect of the rubber cushion 18 on the side wall of the mounting seat 17 is reduced, and the rubber cushion 18 falls off from the side wall of the mounting seat 17 due to friction force between the rubber cushion 18 and a workbench in the powder laying process, at the moment, the clamping blocks 42 on two sides are clamped into the side wall of the clamping grooves 4, and the fixing effect of the rubber cushion 18 on the side wall of the mounting seat 17 is further increased.

As shown in fig. 3 and 5, the side wall of the mounting seat 17 is fixedly connected with a plurality of brackets 5; the brackets 5 are uniformly distributed on the side wall of the mounting seat 17; a limiting plate 51 is fixedly connected to the end part of the bracket 5; when in use, when the rubber pad 18 is in butt joint with the side wall of the mounting seat 17, the side wall of the rubber pad 18 is contacted with the limiting plates 51 on the two sides at the moment, under the inclined action of the limiting plates 51, the rubber pad 18 slides towards the middle parts of the limiting plates 51 on the two sides at the moment, and in the process, the position of the rubber pad 18 in butt joint with the mounting seat 17 is reduced, so that the sliding block 24 is difficult to press into the side wall of the sliding groove 2, a certain workload is increased, the rubber pad 18 is blocked through the limiting plates 51 on the two sides at the moment, and the limiting effect of the rubber pad 18 in butt joint with the mounting seat 17 is increased.

As shown in fig. 2, 3 and 5, the side wall of the clamping block 42 is fixedly connected with a pressing plate 6; the side wall of the pressing plate 6 is fixedly connected with a first rubber block 61; when using, accessible staff places the finger on clamp plate 6 lateral wall, presses clamp plate 6 to pull open fixture block 42, can at first contact with first rubber piece 61 when the in-process of finger on clamp plate 6 lateral wall simultaneously, can produce certain frictional force under through mutual contact, this in-process, thereby reduce the inconvenient gripping of staff to fixture block 42, the hand slides off from fixture block 42 lateral wall when leading to the pulling, through placing the finger on clamp plate 6 lateral wall and pressing down it this moment, and then increase the convenience when pulling open fixture block 42.

As shown in fig. 5, the side wall of the limiting plate 51 is fixedly connected with a second rubber block 7; the second rubber block 7 is arranged in an arc shape; when the rubber pad 18 is used, the rubber pad 18 wall body is contacted with the limiting plate 51 in the process, the rubber pad 18 wall body is contacted with the second rubber block 7 at the moment, the rubber pad 18 can be protected to a certain extent under the flexible action of the second rubber block 7, the rubber pad 18 wall body is reduced to be in direct contact with the side wall of the limiting plate 51 in the process, certain abrasion is caused to the rubber pad 18, and the protection effect to the rubber pad 18 is increased through the arranged second rubber block 7.

When the powder spreading machine works, when the rubber pad 18 is worn by friction in the powder spreading process, the distance between the rubber pad 18 and a workbench is continuously increased, at the moment, under the action of the first spring 13, a certain acting force can be applied to the connecting rod 14 to squeeze the rubber pad 18, at the moment, the first telescopic rod 12 can perform telescopic motion, so that the rubber pad 18 is pushed to the direction of the workbench to be fully contacted with the workbench, meanwhile, part of dust can enter the side wall of the groove 11 in the powder spreading process of the rubber pad 18 to be adhered to the side wall of the groove 11, at the moment, the scraper 16 is driven to descend along with the continuous descending of the connecting rod 14 by the first spring 13, dust adhered to the side wall of the groove 11 can be scraped off under the action of the scraper 16, when the powder spreading machine is used, the rubber pad 18 is held by a worker to align the rubber pad 18 with the mounting seat 17, and applies a certain acting force to press the sliding block 24 into the side wall of the chute 2, at this time, the sliding block 24 can squeeze the inserting block 22, the second spring 21 can perform telescopic motion under the action of the squeezing, the inserting block 22 is squeezed into the side wall of the chute 2, after the sliding block 24 is completely pressed into the side wall of the chute 2, the inserting block 22 can be sprung into the side wall of the slot 25 through the position corresponding to the inserting block 22 at this time, under the elastic action of the second spring 21, thereby fixing the rubber pad 18, when the rubber pad 18 needs to be disassembled, the pull rod 23 is pulled to pull the inserting block 22 out of the side wall of the slot 25, then the rubber pad 18 is taken down from the side wall of the mounting seat 17, when the first spring 13 pushes the mounting seat 17 to descend, the mounting seat 17 can pull the protection plate 32 to descend, and the protection plate 32 can slide on the side wall of the scraper body 1, the second telescopic rod 31 can perform telescopic movement, at this moment, under the action of the protection plate 32, the protection plate can be blocked in the gap between the scraper body 1 and the mounting seat 17, when the device is used, firstly, the clamping blocks 42 on two sides are held by workers, a certain acting force is applied, the clamping blocks 42 are pulled away, then, after the rubber cushion 18 is mounted on the side wall of the mounting seat 17, the clamping blocks 42 can be butted with the positions of the clamping grooves 4, then, the clamping blocks 42 are loosened, under the action of torsion springs in the hinging positions, the clamping blocks 42 can be automatically restored and inserted into the side wall of the clamping grooves 4, at this moment, the first magnetic blocks 41 and the second magnetic blocks 43 can be mutually close to each other, so that a suction effect is generated, when the rubber cushion 18 is butted with the side wall of the mounting seat 17, at this moment, the side wall of the rubber cushion 18 is firstly contacted with the limiting plates 51 on two sides, under the inclination effect of the limiting plates 51, at this moment, the rubber cushion 18 can slide towards the middle part of the limiting plates 51 on two sides, and when the device is used, the device can be placed on the side wall of the pressing plate 6 by workers, so that the clamping blocks 42 are pulled away, and can be pulled away, under the action of the clamping blocks, and the clamping blocks can be automatically restored and inserted into the side walls of the side walls through the side of the side limiting plates 6, under the action of the friction plates.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a powder device is spread to 3D printer scraper, includes scraper body (1), its characterized in that: a plurality of grooves (11) are formed in the side wall of the scraper body (1); the grooves (11) are uniformly distributed on the side wall of the scraper body (1); the side wall of the groove (11) is fixedly connected with a first telescopic rod (12); a first spring (13) is fixedly connected to the side wall of the first telescopic rod (12); the first telescopic rod (12) and the end part of the first spring (13) are fixedly connected with one connecting rod (14); a plurality of fixing frames (15) are fixedly connected to the side wall of the connecting rod (14); the fixing frames (15) are uniformly distributed on the side wall of the connecting rod (14); the end part of the fixing frame (15) is fixedly connected with the same scraping plate (16); the end parts of the connecting rods (14) are fixedly connected with the same mounting seat (17); a rubber pad (18) is arranged at the bottom of the mounting seat (17).

2. The 3D printer doctor blade powdering device of claim 1, wherein: a pair of sliding grooves (2) are formed in the bottom of the mounting seat (17); the pair of sliding grooves (2) are symmetrically arranged at two sides of the mounting seat (17); a pair of second springs (21) are fixedly connected to the side wall of the sliding groove (2); the pair of second springs (21) are symmetrically arranged at two sides of the chute (2); an inserting block (22) is fixedly connected to the end part of the second spring (21); a pull rod (23) is fixedly connected to the side wall of the insert block (22); the pull rod (23) penetrates through the wall body of the mounting seat (17) and is connected with the wall body in a sliding manner; a pair of sliding blocks (24) are fixedly connected to the side wall of the rubber pad (18); the pair of sliding blocks (24) are symmetrically arranged at two sides of the rubber pad (18); a pair of slots (25) are formed in the side wall of the sliding block (24); the pair of slots (25) are symmetrically arranged on two sides of the sliding block (24).

3. The 3D printer doctor blade powdering device of claim 2, wherein: a plurality of fixing blocks (3) are fixedly connected to the side wall of the scraper body (1); the fixed blocks (3) are uniformly distributed on the side wall of the scraper body (1); the bottom of the fixed block (3) is fixedly connected with a second telescopic rod (31); the end parts of the second telescopic rods (31) are fixedly connected with the same protection plate (32); the protection plate (32) is fixedly connected with the mounting seat (17).

4. A 3D printer doctor blade powdering device according to claim 3, wherein: a pair of clamping grooves (4) are formed in the side wall of the mounting seat (17); the clamping grooves (4) are symmetrically arranged at two sides of the mounting seat (17); the side wall of the clamping groove (4) is fixedly connected with a first magnetic block (41); a pair of clamping blocks (42) are hinged to the side wall of the rubber pad (18); the pair of clamping blocks (42) are symmetrically arranged at two sides of the rubber pad (18); the end part of the clamping block (42) is fixedly connected with a second magnetic block (43); the first magnetic block (41) and the second magnetic block (43) are magnetically connected.

5. The 3D printer doctor blade powdering device of claim 4, wherein: a plurality of brackets (5) are fixedly connected to the side wall of the mounting seat (17); the brackets (5) are uniformly distributed on the side wall of the mounting seat (17); and a limiting plate (51) is fixedly connected to the end part of the bracket (5).

6. The 3D printer doctor blade powdering device of claim 5, wherein: the side wall of the clamping block (42) is fixedly connected with a pressing plate (6); the side wall of the pressing plate (6) is fixedly connected with a first rubber block (61).